diff options
Diffstat (limited to 'drivers')
338 files changed, 7180 insertions, 4489 deletions
diff --git a/drivers/acpi/bus.c b/drivers/acpi/bus.c index 9628652e080c..e0596954290b 100644 --- a/drivers/acpi/bus.c +++ b/drivers/acpi/bus.c @@ -237,6 +237,16 @@ static int __acpi_bus_get_power(struct acpi_device *device, int *state) } else if (result == ACPI_STATE_D3_HOT) { result = ACPI_STATE_D3; } + + /* + * If we were unsure about the device parent's power state up to this + * point, the fact that the device is in D0 implies that the parent has + * to be in D0 too. + */ + if (device->parent && device->parent->power.state == ACPI_STATE_UNKNOWN + && result == ACPI_STATE_D0) + device->parent->power.state = ACPI_STATE_D0; + *state = result; out: diff --git a/drivers/acpi/power.c b/drivers/acpi/power.c index fc1803414629..40e38a06ba85 100644 --- a/drivers/acpi/power.c +++ b/drivers/acpi/power.c @@ -107,6 +107,7 @@ struct acpi_power_resource { /* List of devices relying on this power resource */ struct acpi_power_resource_device *devices; + struct mutex devices_lock; }; static struct list_head acpi_power_resource_list; @@ -225,7 +226,6 @@ static void acpi_power_on_device(struct acpi_power_managed_device *device) static int __acpi_power_on(struct acpi_power_resource *resource) { - struct acpi_power_resource_device *device_list = resource->devices; acpi_status status = AE_OK; status = acpi_evaluate_object(resource->device->handle, "_ON", NULL, NULL); @@ -238,19 +238,15 @@ static int __acpi_power_on(struct acpi_power_resource *resource) ACPI_DEBUG_PRINT((ACPI_DB_INFO, "Power resource [%s] turned on\n", resource->name)); - while (device_list) { - acpi_power_on_device(device_list->device); - - device_list = device_list->next; - } - return 0; } static int acpi_power_on(acpi_handle handle) { int result = 0; + bool resume_device = false; struct acpi_power_resource *resource = NULL; + struct acpi_power_resource_device *device_list; result = acpi_power_get_context(handle, &resource); if (result) @@ -266,10 +262,25 @@ static int acpi_power_on(acpi_handle handle) result = __acpi_power_on(resource); if (result) resource->ref_count--; + else + resume_device = true; } mutex_unlock(&resource->resource_lock); + if (!resume_device) + return result; + + mutex_lock(&resource->devices_lock); + + device_list = resource->devices; + while (device_list) { + acpi_power_on_device(device_list->device); + device_list = device_list->next; + } + + mutex_unlock(&resource->devices_lock); + return result; } @@ -355,7 +366,7 @@ static void __acpi_power_resource_unregister_device(struct device *dev, if (acpi_power_get_context(res_handle, &resource)) return; - mutex_lock(&resource->resource_lock); + mutex_lock(&resource->devices_lock); prev = NULL; curr = resource->devices; while (curr) { @@ -372,7 +383,7 @@ static void __acpi_power_resource_unregister_device(struct device *dev, prev = curr; curr = curr->next; } - mutex_unlock(&resource->resource_lock); + mutex_unlock(&resource->devices_lock); } /* Unlink dev from all power resources in _PR0 */ @@ -414,10 +425,10 @@ static int __acpi_power_resource_register_device( power_resource_device->device = powered_device; - mutex_lock(&resource->resource_lock); + mutex_lock(&resource->devices_lock); power_resource_device->next = resource->devices; resource->devices = power_resource_device; - mutex_unlock(&resource->resource_lock); + mutex_unlock(&resource->devices_lock); return 0; } @@ -462,7 +473,7 @@ int acpi_power_resource_register_device(struct device *dev, acpi_handle handle) return ret; no_power_resource: - printk(KERN_WARNING PREFIX "Invalid Power Resource to register!"); + printk(KERN_DEBUG PREFIX "Invalid Power Resource to register!"); return -ENODEV; } EXPORT_SYMBOL_GPL(acpi_power_resource_register_device); @@ -721,6 +732,7 @@ static int acpi_power_add(struct acpi_device *device) resource->device = device; mutex_init(&resource->resource_lock); + mutex_init(&resource->devices_lock); strcpy(resource->name, device->pnp.bus_id); strcpy(acpi_device_name(device), ACPI_POWER_DEVICE_NAME); strcpy(acpi_device_class(device), ACPI_POWER_CLASS); diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index 50d5dea0ff59..7862d17976b7 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -268,6 +268,9 @@ static const struct pci_device_id ahci_pci_tbl[] = { /* JMicron 360/1/3/5/6, match class to avoid IDE function */ { PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr }, + /* JMicron 362B and 362C have an AHCI function with IDE class code */ + { PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr }, + { PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr }, /* ATI */ { PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */ @@ -393,6 +396,8 @@ static const struct pci_device_id ahci_pci_tbl[] = { .driver_data = board_ahci_yes_fbs }, /* 88se9125 */ { PCI_DEVICE(0x1b4b, 0x917a), .driver_data = board_ahci_yes_fbs }, /* 88se9172 */ + { PCI_DEVICE(0x1b4b, 0x9192), + .driver_data = board_ahci_yes_fbs }, /* 88se9172 on some Gigabyte */ { PCI_DEVICE(0x1b4b, 0x91a3), .driver_data = board_ahci_yes_fbs }, @@ -400,7 +405,10 @@ static const struct pci_device_id ahci_pci_tbl[] = { { PCI_VDEVICE(PROMISE, 0x3f20), board_ahci }, /* PDC42819 */ /* Asmedia */ - { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1061 */ + { PCI_VDEVICE(ASMEDIA, 0x0601), board_ahci }, /* ASM1060 */ + { PCI_VDEVICE(ASMEDIA, 0x0602), board_ahci }, /* ASM1060 */ + { PCI_VDEVICE(ASMEDIA, 0x0611), board_ahci }, /* ASM1061 */ + { PCI_VDEVICE(ASMEDIA, 0x0612), board_ahci }, /* ASM1062 */ /* Generic, PCI class code for AHCI */ { PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, diff --git a/drivers/base/dma-contiguous.c b/drivers/base/dma-contiguous.c index 78efb0306a44..34d94c762a1e 100644 --- a/drivers/base/dma-contiguous.c +++ b/drivers/base/dma-contiguous.c @@ -250,7 +250,7 @@ int __init dma_declare_contiguous(struct device *dev, unsigned long size, return -EINVAL; /* Sanitise input arguments */ - alignment = PAGE_SIZE << max(MAX_ORDER, pageblock_order); + alignment = PAGE_SIZE << max(MAX_ORDER - 1, pageblock_order); base = ALIGN(base, alignment); size = ALIGN(size, alignment); limit &= ~(alignment - 1); diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c index de0435e63b02..887f68f6d79a 100644 --- a/drivers/block/aoe/aoecmd.c +++ b/drivers/block/aoe/aoecmd.c @@ -35,6 +35,7 @@ new_skb(ulong len) skb_reset_mac_header(skb); skb_reset_network_header(skb); skb->protocol = __constant_htons(ETH_P_AOE); + skb_checksum_none_assert(skb); } return skb; } diff --git a/drivers/block/cciss_scsi.c b/drivers/block/cciss_scsi.c index 38aa6dda6b81..da3311129a0c 100644 --- a/drivers/block/cciss_scsi.c +++ b/drivers/block/cciss_scsi.c @@ -795,6 +795,7 @@ static void complete_scsi_command(CommandList_struct *c, int timeout, } break; case CMD_PROTOCOL_ERR: + cmd->result = DID_ERROR << 16; dev_warn(&h->pdev->dev, "%p has protocol error\n", c); break; diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index a8fddeb3d638..f946d31d6917 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -1148,11 +1148,15 @@ static bool mtip_pause_ncq(struct mtip_port *port, reply = port->rxfis + RX_FIS_D2H_REG; task_file_data = readl(port->mmio+PORT_TFDATA); - if ((task_file_data & 1) || (fis->command == ATA_CMD_SEC_ERASE_UNIT)) + if (fis->command == ATA_CMD_SEC_ERASE_UNIT) + clear_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag); + + if ((task_file_data & 1)) return false; if (fis->command == ATA_CMD_SEC_ERASE_PREP) { set_bit(MTIP_PF_SE_ACTIVE_BIT, &port->flags); + set_bit(MTIP_DDF_SEC_LOCK_BIT, &port->dd->dd_flag); port->ic_pause_timer = jiffies; return true; } else if ((fis->command == ATA_CMD_DOWNLOAD_MICRO) && @@ -1900,7 +1904,7 @@ static int exec_drive_command(struct mtip_port *port, u8 *command, int rv = 0, xfer_sz = command[3]; if (xfer_sz) { - if (user_buffer) + if (!user_buffer) return -EFAULT; buf = dmam_alloc_coherent(&port->dd->pdev->dev, @@ -2043,7 +2047,7 @@ static void mtip_set_timeout(struct host_to_dev_fis *fis, unsigned int *timeout) *timeout = 240000; /* 4 minutes */ break; case ATA_CMD_STANDBYNOW1: - *timeout = 10000; /* 10 seconds */ + *timeout = 120000; /* 2 minutes */ break; case 0xF7: case 0xFA: @@ -2588,9 +2592,6 @@ static ssize_t mtip_hw_read_registers(struct file *f, char __user *ubuf, if (!len || size) return 0; - if (size < 0) - return -EINVAL; - size += sprintf(&buf[size], "H/ S ACTive : [ 0x"); for (n = dd->slot_groups-1; n >= 0; n--) @@ -2660,9 +2661,6 @@ static ssize_t mtip_hw_read_flags(struct file *f, char __user *ubuf, if (!len || size) return 0; - if (size < 0) - return -EINVAL; - size += sprintf(&buf[size], "Flag-port : [ %08lX ]\n", dd->port->flags); size += sprintf(&buf[size], "Flag-dd : [ %08lX ]\n", @@ -3214,8 +3212,8 @@ static int mtip_hw_init(struct driver_data *dd) "Unable to check write protect progress\n"); else dev_info(&dd->pdev->dev, - "Write protect progress: %d%% (%d blocks)\n", - attr242.cur, attr242.data); + "Write protect progress: %u%% (%u blocks)\n", + attr242.cur, le32_to_cpu(attr242.data)); return rv; out3: @@ -3619,6 +3617,10 @@ static void mtip_make_request(struct request_queue *queue, struct bio *bio) bio_endio(bio, -ENODATA); return; } + if (unlikely(test_bit(MTIP_DDF_SEC_LOCK_BIT, &dd->dd_flag))) { + bio_endio(bio, -ENODATA); + return; + } } if (unlikely(!bio_has_data(bio))) { @@ -4168,7 +4170,13 @@ static void mtip_pci_shutdown(struct pci_dev *pdev) /* Table of device ids supported by this driver. */ static DEFINE_PCI_DEVICE_TABLE(mtip_pci_tbl) = { - { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320H_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320M_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P320S_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P325M_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420H_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P420M_DEVICE_ID) }, + { PCI_DEVICE(PCI_VENDOR_ID_MICRON, P425M_DEVICE_ID) }, { 0 } }; @@ -4199,12 +4207,12 @@ static int __init mtip_init(void) { int error; - printk(KERN_INFO MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n"); + pr_info(MTIP_DRV_NAME " Version " MTIP_DRV_VERSION "\n"); /* Allocate a major block device number to use with this driver. */ error = register_blkdev(0, MTIP_DRV_NAME); if (error <= 0) { - printk(KERN_ERR "Unable to register block device (%d)\n", + pr_err("Unable to register block device (%d)\n", error); return -EBUSY; } @@ -4213,7 +4221,7 @@ static int __init mtip_init(void) if (!dfs_parent) { dfs_parent = debugfs_create_dir("rssd", NULL); if (IS_ERR_OR_NULL(dfs_parent)) { - printk(KERN_WARNING "Error creating debugfs parent\n"); + pr_warn("Error creating debugfs parent\n"); dfs_parent = NULL; } } diff --git a/drivers/block/mtip32xx/mtip32xx.h b/drivers/block/mtip32xx/mtip32xx.h index f51fc23d17bb..18627a1d04c5 100644 --- a/drivers/block/mtip32xx/mtip32xx.h +++ b/drivers/block/mtip32xx/mtip32xx.h @@ -76,7 +76,13 @@ /* Micron Vendor ID & P320x SSD Device ID */ #define PCI_VENDOR_ID_MICRON 0x1344 -#define P320_DEVICE_ID 0x5150 +#define P320H_DEVICE_ID 0x5150 +#define P320M_DEVICE_ID 0x5151 +#define P320S_DEVICE_ID 0x5152 +#define P325M_DEVICE_ID 0x5153 +#define P420H_DEVICE_ID 0x5160 +#define P420M_DEVICE_ID 0x5161 +#define P425M_DEVICE_ID 0x5163 /* Driver name and version strings */ #define MTIP_DRV_NAME "mtip32xx" @@ -131,10 +137,12 @@ enum { MTIP_PF_SVC_THD_STOP_BIT = 8, /* below are bit numbers in 'dd_flag' defined in driver_data */ + MTIP_DDF_SEC_LOCK_BIT = 0, MTIP_DDF_REMOVE_PENDING_BIT = 1, MTIP_DDF_OVER_TEMP_BIT = 2, MTIP_DDF_WRITE_PROTECT_BIT = 3, MTIP_DDF_STOP_IO = ((1 << MTIP_DDF_REMOVE_PENDING_BIT) | \ + (1 << MTIP_DDF_SEC_LOCK_BIT) | \ (1 << MTIP_DDF_OVER_TEMP_BIT) | \ (1 << MTIP_DDF_WRITE_PROTECT_BIT)), diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c index d07c9f7fded6..0c03411c59eb 100644 --- a/drivers/block/nbd.c +++ b/drivers/block/nbd.c @@ -449,6 +449,14 @@ static void nbd_clear_que(struct nbd_device *nbd) req->errors++; nbd_end_request(req); } + + while (!list_empty(&nbd->waiting_queue)) { + req = list_entry(nbd->waiting_queue.next, struct request, + queuelist); + list_del_init(&req->queuelist); + req->errors++; + nbd_end_request(req); + } } @@ -598,6 +606,7 @@ static int __nbd_ioctl(struct block_device *bdev, struct nbd_device *nbd, nbd->file = NULL; nbd_clear_que(nbd); BUG_ON(!list_empty(&nbd->queue_head)); + BUG_ON(!list_empty(&nbd->waiting_queue)); if (file) fput(file); return 0; diff --git a/drivers/block/xen-blkback/blkback.c b/drivers/block/xen-blkback/blkback.c index 73f196ca713f..c6decb901e5e 100644 --- a/drivers/block/xen-blkback/blkback.c +++ b/drivers/block/xen-blkback/blkback.c @@ -337,7 +337,7 @@ static void xen_blkbk_unmap(struct pending_req *req) invcount++; } - ret = gnttab_unmap_refs(unmap, pages, invcount, false); + ret = gnttab_unmap_refs(unmap, NULL, pages, invcount); BUG_ON(ret); } diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c index 11f36e502136..fc2de5528dcc 100644 --- a/drivers/bluetooth/ath3k.c +++ b/drivers/bluetooth/ath3k.c @@ -86,6 +86,7 @@ static struct usb_device_id ath3k_table[] = { /* Atheros AR5BBU22 with sflash firmware */ { USB_DEVICE(0x0489, 0xE03C) }, + { USB_DEVICE(0x0489, 0xE036) }, { } /* Terminating entry */ }; @@ -109,6 +110,7 @@ static struct usb_device_id ath3k_blist_tbl[] = { /* Atheros AR5BBU22 with sflash firmware */ { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, { } /* Terminating entry */ }; diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c index cef3bac1a543..654e248763ef 100644 --- a/drivers/bluetooth/btusb.c +++ b/drivers/bluetooth/btusb.c @@ -52,6 +52,9 @@ static struct usb_device_id btusb_table[] = { /* Generic Bluetooth USB device */ { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, + /* Apple-specific (Broadcom) devices */ + { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, + /* Broadcom SoftSailing reporting vendor specific */ { USB_DEVICE(0x0a5c, 0x21e1) }, @@ -94,16 +97,14 @@ static struct usb_device_id btusb_table[] = { /* Broadcom BCM20702A0 */ { USB_DEVICE(0x0489, 0xe042) }, - { USB_DEVICE(0x0a5c, 0x21e3) }, - { USB_DEVICE(0x0a5c, 0x21e6) }, - { USB_DEVICE(0x0a5c, 0x21e8) }, - { USB_DEVICE(0x0a5c, 0x21f3) }, - { USB_DEVICE(0x0a5c, 0x21f4) }, { USB_DEVICE(0x413c, 0x8197) }, /* Foxconn - Hon Hai */ { USB_DEVICE(0x0489, 0xe033) }, + /*Broadcom devices with vendor specific id */ + { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, + { } /* Terminating entry */ }; @@ -141,6 +142,7 @@ static struct usb_device_id blacklist_table[] = { /* Atheros AR5BBU12 with sflash firmware */ { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, + { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, /* Broadcom BCM2035 */ { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, diff --git a/drivers/cpufreq/powernow-k8.c b/drivers/cpufreq/powernow-k8.c index c0e816468e30..1a40935c85fd 100644 --- a/drivers/cpufreq/powernow-k8.c +++ b/drivers/cpufreq/powernow-k8.c @@ -35,7 +35,6 @@ #include <linux/slab.h> #include <linux/string.h> #include <linux/cpumask.h> -#include <linux/sched.h> /* for current / set_cpus_allowed() */ #include <linux/io.h> #include <linux/delay.h> @@ -1139,16 +1138,23 @@ static int transition_frequency_pstate(struct powernow_k8_data *data, return res; } -/* Driver entry point to switch to the target frequency */ -static int powernowk8_target(struct cpufreq_policy *pol, - unsigned targfreq, unsigned relation) +struct powernowk8_target_arg { + struct cpufreq_policy *pol; + unsigned targfreq; + unsigned relation; +}; + +static long powernowk8_target_fn(void *arg) { - cpumask_var_t oldmask; + struct powernowk8_target_arg *pta = arg; + struct cpufreq_policy *pol = pta->pol; + unsigned targfreq = pta->targfreq; + unsigned relation = pta->relation; struct powernow_k8_data *data = per_cpu(powernow_data, pol->cpu); u32 checkfid; u32 checkvid; unsigned int newstate; - int ret = -EIO; + int ret; if (!data) return -EINVAL; @@ -1156,29 +1162,16 @@ static int powernowk8_target(struct cpufreq_policy *pol, checkfid = data->currfid; checkvid = data->currvid; - /* only run on specific CPU from here on. */ - /* This is poor form: use a workqueue or smp_call_function_single */ - if (!alloc_cpumask_var(&oldmask, GFP_KERNEL)) - return -ENOMEM; - - cpumask_copy(oldmask, tsk_cpus_allowed(current)); - set_cpus_allowed_ptr(current, cpumask_of(pol->cpu)); - - if (smp_processor_id() != pol->cpu) { - printk(KERN_ERR PFX "limiting to cpu %u failed\n", pol->cpu); - goto err_out; - } - if (pending_bit_stuck()) { printk(KERN_ERR PFX "failing targ, change pending bit set\n"); - goto err_out; + return -EIO; } pr_debug("targ: cpu %d, %d kHz, min %d, max %d, relation %d\n", pol->cpu, targfreq, pol->min, pol->max, relation); if (query_current_values_with_pending_wait(data)) - goto err_out; + return -EIO; if (cpu_family != CPU_HW_PSTATE) { pr_debug("targ: curr fid 0x%x, vid 0x%x\n", @@ -1196,7 +1189,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate)) - goto err_out; + return -EIO; mutex_lock(&fidvid_mutex); @@ -1209,9 +1202,8 @@ static int powernowk8_target(struct cpufreq_policy *pol, ret = transition_frequency_fidvid(data, newstate); if (ret) { printk(KERN_ERR PFX "transition frequency failed\n"); - ret = 1; mutex_unlock(&fidvid_mutex); - goto err_out; + return 1; } mutex_unlock(&fidvid_mutex); @@ -1220,12 +1212,25 @@ static int powernowk8_target(struct cpufreq_policy *pol, data->powernow_table[newstate].index); else pol->cur = find_khz_freq_from_fid(data->currfid); - ret = 0; -err_out: - set_cpus_allowed_ptr(current, oldmask); - free_cpumask_var(oldmask); - return ret; + return 0; +} + +/* Driver entry point to switch to the target frequency */ +static int powernowk8_target(struct cpufreq_policy *pol, + unsigned targfreq, unsigned relation) +{ + struct powernowk8_target_arg pta = { .pol = pol, .targfreq = targfreq, + .relation = relation }; + + /* + * Must run on @pol->cpu. cpufreq core is responsible for ensuring + * that we're bound to the current CPU and pol->cpu stays online. + */ + if (smp_processor_id() == pol->cpu) + return powernowk8_target_fn(&pta); + else + return work_on_cpu(pol->cpu, powernowk8_target_fn, &pta); } /* Driver entry point to verify the policy and range of frequencies */ diff --git a/drivers/crypto/caam/key_gen.c b/drivers/crypto/caam/key_gen.c index 002888185f17..d216cd3cc569 100644 --- a/drivers/crypto/caam/key_gen.c +++ b/drivers/crypto/caam/key_gen.c @@ -120,3 +120,4 @@ u32 gen_split_key(struct device *jrdev, u8 *key_out, int split_key_len, return ret; } +EXPORT_SYMBOL(gen_split_key); diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 3934fcc4e00b..7ab6e26664a7 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -661,7 +661,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, flags); if (unlikely(!atslave || !sg_len)) { - dev_dbg(chan2dev(chan), "prep_dma_memcpy: length is zero!\n"); + dev_dbg(chan2dev(chan), "prep_slave_sg: sg length is zero!\n"); return NULL; } @@ -689,6 +689,11 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, mem = sg_dma_address(sg); len = sg_dma_len(sg); + if (unlikely(!len)) { + dev_dbg(chan2dev(chan), + "prep_slave_sg: sg(%d) data length is zero\n", i); + goto err; + } mem_width = 2; if (unlikely(mem & 3 || len & 3)) mem_width = 0; @@ -724,6 +729,11 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, mem = sg_dma_address(sg); len = sg_dma_len(sg); + if (unlikely(!len)) { + dev_dbg(chan2dev(chan), + "prep_slave_sg: sg(%d) data length is zero\n", i); + goto err; + } mem_width = 2; if (unlikely(mem & 3 || len & 3)) mem_width = 0; @@ -757,6 +767,7 @@ atc_prep_slave_sg(struct dma_chan *chan, struct scatterlist *sgl, err_desc_get: dev_err(chan2dev(chan), "not enough descriptors available\n"); +err: atc_desc_put(atchan, first); return NULL; } diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index e4feba6b03c0..f5843bc80baa 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -1567,17 +1567,19 @@ static int pl330_submit_req(void *ch_id, struct pl330_req *r) goto xfer_exit; } - /* Prefer Secure Channel */ - if (!_manager_ns(thrd)) - r->cfg->nonsecure = 0; - else - r->cfg->nonsecure = 1; /* Use last settings, if not provided */ - if (r->cfg) + if (r->cfg) { + /* Prefer Secure Channel */ + if (!_manager_ns(thrd)) + r->cfg->nonsecure = 0; + else + r->cfg->nonsecure = 1; + ccr = _prepare_ccr(r->cfg); - else + } else { ccr = readl(regs + CC(thrd->id)); + } /* If this req doesn't have valid xfer settings */ if (!_is_valid(ccr)) { @@ -2928,6 +2930,11 @@ pl330_probe(struct amba_device *adev, const struct amba_id *id) num_chan = max_t(int, pi->pcfg.num_peri, pi->pcfg.num_chan); pdmac->peripherals = kzalloc(num_chan * sizeof(*pch), GFP_KERNEL); + if (!pdmac->peripherals) { + ret = -ENOMEM; + dev_err(&adev->dev, "unable to allocate pdmac->peripherals\n"); + goto probe_err5; + } for (i = 0; i < num_chan; i++) { pch = &pdmac->peripherals[i]; diff --git a/drivers/extcon/extcon-max77693.c b/drivers/extcon/extcon-max77693.c index 920a609b2c35..38f9e52f358b 100644 --- a/drivers/extcon/extcon-max77693.c +++ b/drivers/extcon/extcon-max77693.c @@ -669,13 +669,18 @@ static int __devinit max77693_muic_probe(struct platform_device *pdev) } info->dev = &pdev->dev; info->max77693 = max77693; - info->max77693->regmap_muic = regmap_init_i2c(info->max77693->muic, - &max77693_muic_regmap_config); - if (IS_ERR(info->max77693->regmap_muic)) { - ret = PTR_ERR(info->max77693->regmap_muic); - dev_err(max77693->dev, - "failed to allocate register map: %d\n", ret); - goto err_regmap; + if (info->max77693->regmap_muic) + dev_dbg(&pdev->dev, "allocate register map\n"); + else { + info->max77693->regmap_muic = devm_regmap_init_i2c( + info->max77693->muic, + &max77693_muic_regmap_config); + if (IS_ERR(info->max77693->regmap_muic)) { + ret = PTR_ERR(info->max77693->regmap_muic); + dev_err(max77693->dev, + "failed to allocate register map: %d\n", ret); + goto err_regmap; + } } platform_set_drvdata(pdev, info); mutex_init(&info->mutex); diff --git a/drivers/gpu/drm/ast/ast_drv.c b/drivers/gpu/drm/ast/ast_drv.c index d0c4574ef49c..36164806b9d4 100644 --- a/drivers/gpu/drm/ast/ast_drv.c +++ b/drivers/gpu/drm/ast/ast_drv.c @@ -193,6 +193,9 @@ static const struct file_operations ast_fops = { .mmap = ast_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .read = drm_read, }; diff --git a/drivers/gpu/drm/ast/ast_mode.c b/drivers/gpu/drm/ast/ast_mode.c index 7282c081fb53..a712cafcfa1d 100644 --- a/drivers/gpu/drm/ast/ast_mode.c +++ b/drivers/gpu/drm/ast/ast_mode.c @@ -841,7 +841,7 @@ int ast_cursor_init(struct drm_device *dev) ast->cursor_cache = obj; ast->cursor_cache_gpu_addr = gpu_addr; - DRM_ERROR("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr); + DRM_DEBUG_KMS("pinned cursor cache at %llx\n", ast->cursor_cache_gpu_addr); return 0; fail: return ret; diff --git a/drivers/gpu/drm/cirrus/cirrus_drv.c b/drivers/gpu/drm/cirrus/cirrus_drv.c index 7053140c6596..b83a2d7ddd1a 100644 --- a/drivers/gpu/drm/cirrus/cirrus_drv.c +++ b/drivers/gpu/drm/cirrus/cirrus_drv.c @@ -74,6 +74,9 @@ static const struct file_operations cirrus_driver_fops = { .unlocked_ioctl = drm_ioctl, .mmap = cirrus_mmap, .poll = drm_poll, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .fasync = drm_fasync, }; static struct drm_driver driver = { diff --git a/drivers/gpu/drm/exynos/Kconfig b/drivers/gpu/drm/exynos/Kconfig index 7f5096763b7d..59a26e577b57 100644 --- a/drivers/gpu/drm/exynos/Kconfig +++ b/drivers/gpu/drm/exynos/Kconfig @@ -36,6 +36,6 @@ config DRM_EXYNOS_VIDI config DRM_EXYNOS_G2D bool "Exynos DRM G2D" - depends on DRM_EXYNOS + depends on DRM_EXYNOS && !VIDEO_SAMSUNG_S5P_G2D help Choose this option if you want to use Exynos G2D for DRM. diff --git a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c index 613bf8a5d9b2..ae13febe0eaa 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c +++ b/drivers/gpu/drm/exynos/exynos_drm_dmabuf.c @@ -163,6 +163,12 @@ static void exynos_gem_dmabuf_kunmap(struct dma_buf *dma_buf, /* TODO */ } +static int exynos_gem_dmabuf_mmap(struct dma_buf *dma_buf, + struct vm_area_struct *vma) +{ + return -ENOTTY; +} + static struct dma_buf_ops exynos_dmabuf_ops = { .map_dma_buf = exynos_gem_map_dma_buf, .unmap_dma_buf = exynos_gem_unmap_dma_buf, @@ -170,6 +176,7 @@ static struct dma_buf_ops exynos_dmabuf_ops = { .kmap_atomic = exynos_gem_dmabuf_kmap_atomic, .kunmap = exynos_gem_dmabuf_kunmap, .kunmap_atomic = exynos_gem_dmabuf_kunmap_atomic, + .mmap = exynos_gem_dmabuf_mmap, .release = exynos_dmabuf_release, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_drv.c b/drivers/gpu/drm/exynos/exynos_drm_drv.c index ebacec6f1e48..d07071937453 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_drv.c +++ b/drivers/gpu/drm/exynos/exynos_drm_drv.c @@ -160,7 +160,6 @@ static int exynos_drm_open(struct drm_device *dev, struct drm_file *file) if (!file_priv) return -ENOMEM; - drm_prime_init_file_private(&file->prime); file->driver_priv = file_priv; return exynos_drm_subdrv_open(dev, file); @@ -184,7 +183,6 @@ static void exynos_drm_preclose(struct drm_device *dev, e->base.destroy(&e->base); } } - drm_prime_destroy_file_private(&file->prime); spin_unlock_irqrestore(&dev->event_lock, flags); exynos_drm_subdrv_close(dev, file); @@ -241,6 +239,9 @@ static const struct file_operations exynos_drm_driver_fops = { .poll = drm_poll, .read = drm_read, .unlocked_ioctl = drm_ioctl, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .release = drm_release, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_fimd.c b/drivers/gpu/drm/exynos/exynos_drm_fimd.c index a68d2b313f03..b19cd93e7047 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_fimd.c +++ b/drivers/gpu/drm/exynos/exynos_drm_fimd.c @@ -831,11 +831,6 @@ static int __devinit fimd_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "failed to find registers\n"); - ret = -ENOENT; - goto err_clk; - } ctx->regs = devm_request_and_ioremap(&pdev->dev, res); if (!ctx->regs) { diff --git a/drivers/gpu/drm/exynos/exynos_drm_g2d.c b/drivers/gpu/drm/exynos/exynos_drm_g2d.c index d2d88f22a037..1065e90d0919 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_g2d.c +++ b/drivers/gpu/drm/exynos/exynos_drm_g2d.c @@ -129,7 +129,6 @@ struct g2d_runqueue_node { struct g2d_data { struct device *dev; struct clk *gate_clk; - struct resource *regs_res; void __iomem *regs; int irq; struct workqueue_struct *g2d_workq; @@ -751,7 +750,7 @@ static int __devinit g2d_probe(struct platform_device *pdev) struct exynos_drm_subdrv *subdrv; int ret; - g2d = kzalloc(sizeof(*g2d), GFP_KERNEL); + g2d = devm_kzalloc(&pdev->dev, sizeof(*g2d), GFP_KERNEL); if (!g2d) { dev_err(dev, "failed to allocate driver data\n"); return -ENOMEM; @@ -759,10 +758,8 @@ static int __devinit g2d_probe(struct platform_device *pdev) g2d->runqueue_slab = kmem_cache_create("g2d_runqueue_slab", sizeof(struct g2d_runqueue_node), 0, 0, NULL); - if (!g2d->runqueue_slab) { - ret = -ENOMEM; - goto err_free_mem; - } + if (!g2d->runqueue_slab) + return -ENOMEM; g2d->dev = dev; @@ -794,38 +791,26 @@ static int __devinit g2d_probe(struct platform_device *pdev) pm_runtime_enable(dev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(dev, "failed to get I/O memory\n"); - ret = -ENOENT; - goto err_put_clk; - } - g2d->regs_res = request_mem_region(res->start, resource_size(res), - dev_name(dev)); - if (!g2d->regs_res) { - dev_err(dev, "failed to request I/O memory\n"); - ret = -ENOENT; - goto err_put_clk; - } - - g2d->regs = ioremap(res->start, resource_size(res)); + g2d->regs = devm_request_and_ioremap(&pdev->dev, res); if (!g2d->regs) { dev_err(dev, "failed to remap I/O memory\n"); ret = -ENXIO; - goto err_release_res; + goto err_put_clk; } g2d->irq = platform_get_irq(pdev, 0); if (g2d->irq < 0) { dev_err(dev, "failed to get irq\n"); ret = g2d->irq; - goto err_unmap_base; + goto err_put_clk; } - ret = request_irq(g2d->irq, g2d_irq_handler, 0, "drm_g2d", g2d); + ret = devm_request_irq(&pdev->dev, g2d->irq, g2d_irq_handler, 0, + "drm_g2d", g2d); if (ret < 0) { dev_err(dev, "irq request failed\n"); - goto err_unmap_base; + goto err_put_clk; } platform_set_drvdata(pdev, g2d); @@ -838,7 +823,7 @@ static int __devinit g2d_probe(struct platform_device *pdev) ret = exynos_drm_subdrv_register(subdrv); if (ret < 0) { dev_err(dev, "failed to register drm g2d device\n"); - goto err_free_irq; + goto err_put_clk; } dev_info(dev, "The exynos g2d(ver %d.%d) successfully probed\n", @@ -846,13 +831,6 @@ static int __devinit g2d_probe(struct platform_device *pdev) return 0; -err_free_irq: - free_irq(g2d->irq, g2d); -err_unmap_base: - iounmap(g2d->regs); -err_release_res: - release_resource(g2d->regs_res); - kfree(g2d->regs_res); err_put_clk: pm_runtime_disable(dev); clk_put(g2d->gate_clk); @@ -862,8 +840,6 @@ err_destroy_workqueue: destroy_workqueue(g2d->g2d_workq); err_destroy_slab: kmem_cache_destroy(g2d->runqueue_slab); -err_free_mem: - kfree(g2d); return ret; } @@ -873,24 +849,18 @@ static int __devexit g2d_remove(struct platform_device *pdev) cancel_work_sync(&g2d->runqueue_work); exynos_drm_subdrv_unregister(&g2d->subdrv); - free_irq(g2d->irq, g2d); while (g2d->runqueue_node) { g2d_free_runqueue_node(g2d, g2d->runqueue_node); g2d->runqueue_node = g2d_get_runqueue_node(g2d); } - iounmap(g2d->regs); - release_resource(g2d->regs_res); - kfree(g2d->regs_res); - pm_runtime_disable(&pdev->dev); clk_put(g2d->gate_clk); g2d_fini_cmdlist(g2d); destroy_workqueue(g2d->g2d_workq); kmem_cache_destroy(g2d->runqueue_slab); - kfree(g2d); return 0; } @@ -924,7 +894,7 @@ static int g2d_resume(struct device *dev) } #endif -SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume); +static SIMPLE_DEV_PM_OPS(g2d_pm_ops, g2d_suspend, g2d_resume); struct platform_driver g2d_driver = { .probe = g2d_probe, diff --git a/drivers/gpu/drm/exynos/exynos_drm_gem.c b/drivers/gpu/drm/exynos/exynos_drm_gem.c index f9efde40c097..a38051c95ec4 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_gem.c +++ b/drivers/gpu/drm/exynos/exynos_drm_gem.c @@ -122,7 +122,7 @@ fail: __free_page(pages[i]); drm_free_large(pages); - return ERR_PTR(PTR_ERR(p)); + return ERR_CAST(p); } static void exynos_gem_put_pages(struct drm_gem_object *obj, @@ -662,7 +662,7 @@ int exynos_drm_gem_dumb_create(struct drm_file *file_priv, */ args->pitch = args->width * ((args->bpp + 7) / 8); - args->size = PAGE_ALIGN(args->pitch * args->height); + args->size = args->pitch * args->height; exynos_gem_obj = exynos_drm_gem_create(dev, args->flags, args->size); if (IS_ERR(exynos_gem_obj)) diff --git a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c index 8ffcdf8b9e22..3fdf0b65f47e 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_hdmi.c @@ -345,7 +345,7 @@ static int __devinit exynos_drm_hdmi_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) { DRM_LOG_KMS("failed to alloc common hdmi context.\n"); return -ENOMEM; @@ -371,7 +371,6 @@ static int __devexit exynos_drm_hdmi_remove(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); exynos_drm_subdrv_unregister(&ctx->subdrv); - kfree(ctx); return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_drm_plane.c b/drivers/gpu/drm/exynos/exynos_drm_plane.c index b89829e5043a..e1f94b746bd7 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_plane.c +++ b/drivers/gpu/drm/exynos/exynos_drm_plane.c @@ -29,7 +29,6 @@ static const uint32_t formats[] = { DRM_FORMAT_XRGB8888, DRM_FORMAT_ARGB8888, DRM_FORMAT_NV12, - DRM_FORMAT_NV12M, DRM_FORMAT_NV12MT, }; diff --git a/drivers/gpu/drm/exynos/exynos_drm_vidi.c b/drivers/gpu/drm/exynos/exynos_drm_vidi.c index bb1550c4dd57..537027a74fd5 100644 --- a/drivers/gpu/drm/exynos/exynos_drm_vidi.c +++ b/drivers/gpu/drm/exynos/exynos_drm_vidi.c @@ -633,7 +633,7 @@ static int __devinit vidi_probe(struct platform_device *pdev) DRM_DEBUG_KMS("%s\n", __FILE__); - ctx = kzalloc(sizeof(*ctx), GFP_KERNEL); + ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL); if (!ctx) return -ENOMEM; @@ -673,8 +673,6 @@ static int __devexit vidi_remove(struct platform_device *pdev) ctx->raw_edid = NULL; } - kfree(ctx); - return 0; } diff --git a/drivers/gpu/drm/exynos/exynos_hdmi.c b/drivers/gpu/drm/exynos/exynos_hdmi.c index 409e2ec1207c..a6aea6f3ea1a 100644 --- a/drivers/gpu/drm/exynos/exynos_hdmi.c +++ b/drivers/gpu/drm/exynos/exynos_hdmi.c @@ -2172,7 +2172,7 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata) DRM_DEBUG_KMS("HDMI resource init\n"); - memset(res, 0, sizeof *res); + memset(res, 0, sizeof(*res)); /* get clocks, power */ res->hdmi = clk_get(dev, "hdmi"); @@ -2204,7 +2204,7 @@ static int __devinit hdmi_resources_init(struct hdmi_context *hdata) clk_set_parent(res->sclk_hdmi, res->sclk_pixel); res->regul_bulk = kzalloc(ARRAY_SIZE(supply) * - sizeof res->regul_bulk[0], GFP_KERNEL); + sizeof(res->regul_bulk[0]), GFP_KERNEL); if (!res->regul_bulk) { DRM_ERROR("failed to get memory for regulators\n"); goto fail; @@ -2243,7 +2243,7 @@ static int hdmi_resources_cleanup(struct hdmi_context *hdata) clk_put(res->sclk_hdmi); if (!IS_ERR_OR_NULL(res->hdmi)) clk_put(res->hdmi); - memset(res, 0, sizeof *res); + memset(res, 0, sizeof(*res)); return 0; } @@ -2312,11 +2312,6 @@ static int __devinit hdmi_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - DRM_ERROR("failed to find registers\n"); - ret = -ENOENT; - goto err_resource; - } hdata->regs = devm_request_and_ioremap(&pdev->dev, res); if (!hdata->regs) { diff --git a/drivers/gpu/drm/exynos/exynos_mixer.c b/drivers/gpu/drm/exynos/exynos_mixer.c index 30fcc12f81dd..25b97d5e5fcb 100644 --- a/drivers/gpu/drm/exynos/exynos_mixer.c +++ b/drivers/gpu/drm/exynos/exynos_mixer.c @@ -236,11 +236,11 @@ static inline void vp_filter_set(struct mixer_resources *res, static void vp_default_filter(struct mixer_resources *res) { vp_filter_set(res, VP_POLY8_Y0_LL, - filter_y_horiz_tap8, sizeof filter_y_horiz_tap8); + filter_y_horiz_tap8, sizeof(filter_y_horiz_tap8)); vp_filter_set(res, VP_POLY4_Y0_LL, - filter_y_vert_tap4, sizeof filter_y_vert_tap4); + filter_y_vert_tap4, sizeof(filter_y_vert_tap4)); vp_filter_set(res, VP_POLY4_C0_LL, - filter_cr_horiz_tap4, sizeof filter_cr_horiz_tap4); + filter_cr_horiz_tap4, sizeof(filter_cr_horiz_tap4)); } static void mixer_vsync_set_update(struct mixer_context *ctx, bool enable) diff --git a/drivers/gpu/drm/gma500/oaktrail_device.c b/drivers/gpu/drm/gma500/oaktrail_device.c index 0f9b7db80f6b..cf49ba5a54bf 100644 --- a/drivers/gpu/drm/gma500/oaktrail_device.c +++ b/drivers/gpu/drm/gma500/oaktrail_device.c @@ -476,6 +476,7 @@ static const struct psb_offset oaktrail_regmap[2] = { .pos = DSPAPOS, .surf = DSPASURF, .addr = MRST_DSPABASE, + .base = MRST_DSPABASE, .status = PIPEASTAT, .linoff = DSPALINOFF, .tileoff = DSPATILEOFF, @@ -499,6 +500,7 @@ static const struct psb_offset oaktrail_regmap[2] = { .pos = DSPBPOS, .surf = DSPBSURF, .addr = DSPBBASE, + .base = DSPBBASE, .status = PIPEBSTAT, .linoff = DSPBLINOFF, .tileoff = DSPBTILEOFF, diff --git a/drivers/gpu/drm/i810/i810_dma.c b/drivers/gpu/drm/i810/i810_dma.c index 57d892eaaa6e..463ec6871fe9 100644 --- a/drivers/gpu/drm/i810/i810_dma.c +++ b/drivers/gpu/drm/i810/i810_dma.c @@ -115,6 +115,9 @@ static const struct file_operations i810_buffer_fops = { .unlocked_ioctl = drm_ioctl, .mmap = i810_mmap_buffers, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/i810/i810_drv.c b/drivers/gpu/drm/i810/i810_drv.c index f9924ad04d09..48cfcca2b350 100644 --- a/drivers/gpu/drm/i810/i810_drv.c +++ b/drivers/gpu/drm/i810/i810_drv.c @@ -51,6 +51,9 @@ static const struct file_operations i810_driver_fops = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c index 9cf7dfe022b9..914c0dfabe60 100644 --- a/drivers/gpu/drm/i915/i915_dma.c +++ b/drivers/gpu/drm/i915/i915_dma.c @@ -1587,6 +1587,7 @@ int i915_driver_load(struct drm_device *dev, unsigned long flags) spin_lock_init(&dev_priv->irq_lock); spin_lock_init(&dev_priv->error_lock); spin_lock_init(&dev_priv->rps_lock); + spin_lock_init(&dev_priv->dpio_lock); if (IS_IVYBRIDGE(dev) || IS_HASWELL(dev)) dev_priv->num_pipe = 3; diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c index 489e2b162b27..274d25de521e 100644 --- a/drivers/gpu/drm/i915/i915_gem.c +++ b/drivers/gpu/drm/i915/i915_gem.c @@ -3242,7 +3242,8 @@ i915_gem_object_pin(struct drm_i915_gem_object *obj, { int ret; - BUG_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT); + if (WARN_ON(obj->pin_count == DRM_I915_GEM_OBJECT_MAX_PIN_COUNT)) + return -EBUSY; if (obj->gtt_space != NULL) { if ((alignment && obj->gtt_offset & (alignment - 1)) || diff --git a/drivers/gpu/drm/i915/i915_irq.c b/drivers/gpu/drm/i915/i915_irq.c index 8a3828528b9d..5249640cce13 100644 --- a/drivers/gpu/drm/i915/i915_irq.c +++ b/drivers/gpu/drm/i915/i915_irq.c @@ -2700,9 +2700,6 @@ void intel_irq_init(struct drm_device *dev) dev->driver->irq_handler = i8xx_irq_handler; dev->driver->irq_uninstall = i8xx_irq_uninstall; } else if (INTEL_INFO(dev)->gen == 3) { - /* IIR "flip pending" means done if this bit is set */ - I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE)); - dev->driver->irq_preinstall = i915_irq_preinstall; dev->driver->irq_postinstall = i915_irq_postinstall; dev->driver->irq_uninstall = i915_irq_uninstall; diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c index 2dfa6cf4886b..c040aee1341c 100644 --- a/drivers/gpu/drm/i915/intel_display.c +++ b/drivers/gpu/drm/i915/intel_display.c @@ -1376,7 +1376,8 @@ static void assert_pch_dp_disabled(struct drm_i915_private *dev_priv, "PCH DP (0x%08x) enabled on transcoder %c, should be disabled\n", reg, pipe_name(pipe)); - WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT), + WARN(HAS_PCH_IBX(dev_priv->dev) && (val & DP_PORT_EN) == 0 + && (val & DP_PIPEB_SELECT), "IBX PCH dp port still using transcoder B\n"); } @@ -1388,7 +1389,8 @@ static void assert_pch_hdmi_disabled(struct drm_i915_private *dev_priv, "PCH HDMI (0x%08x) enabled on transcoder %c, should be disabled\n", reg, pipe_name(pipe)); - WARN(HAS_PCH_IBX(dev_priv->dev) && (val & SDVO_PIPE_B_SELECT), + WARN(HAS_PCH_IBX(dev_priv->dev) && (val & PORT_ENABLE) == 0 + && (val & SDVO_PIPE_B_SELECT), "IBX PCH hdmi port still using transcoder B\n"); } @@ -4189,12 +4191,6 @@ static void i8xx_update_pll(struct drm_crtc *crtc, POSTING_READ(DPLL(pipe)); udelay(150); - I915_WRITE(DPLL(pipe), dpll); - - /* Wait for the clocks to stabilize. */ - POSTING_READ(DPLL(pipe)); - udelay(150); - /* The LVDS pin pair needs to be on before the DPLLs are enabled. * This is an exception to the general rule that mode_set doesn't turn * things on. @@ -4202,6 +4198,12 @@ static void i8xx_update_pll(struct drm_crtc *crtc, if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) intel_update_lvds(crtc, clock, adjusted_mode); + I915_WRITE(DPLL(pipe), dpll); + + /* Wait for the clocks to stabilize. */ + POSTING_READ(DPLL(pipe)); + udelay(150); + /* The pixel multiplier can only be updated once the * DPLL is enabled and the clocks are stable. * diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index a6c426afaa7a..ace757af9133 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -2533,14 +2533,10 @@ intel_dp_init(struct drm_device *dev, int output_reg) break; } - intel_dp_i2c_init(intel_dp, intel_connector, name); - /* Cache some DPCD data in the eDP case */ if (is_edp(intel_dp)) { - bool ret; struct edp_power_seq cur, vbt; u32 pp_on, pp_off, pp_div; - struct edid *edid; pp_on = I915_READ(PCH_PP_ON_DELAYS); pp_off = I915_READ(PCH_PP_OFF_DELAYS); @@ -2591,6 +2587,13 @@ intel_dp_init(struct drm_device *dev, int output_reg) DRM_DEBUG_KMS("backlight on delay %d, off delay %d\n", intel_dp->backlight_on_delay, intel_dp->backlight_off_delay); + } + + intel_dp_i2c_init(intel_dp, intel_connector, name); + + if (is_edp(intel_dp)) { + bool ret; + struct edid *edid; ironlake_edp_panel_vdd_on(intel_dp); ret = intel_dp_get_dpcd(intel_dp); diff --git a/drivers/gpu/drm/i915/intel_hdmi.c b/drivers/gpu/drm/i915/intel_hdmi.c index 98f602427eb8..12dc3308ab8c 100644 --- a/drivers/gpu/drm/i915/intel_hdmi.c +++ b/drivers/gpu/drm/i915/intel_hdmi.c @@ -609,7 +609,7 @@ static void intel_hdmi_dpms(struct drm_encoder *encoder, int mode) u32 temp; u32 enable_bits = SDVO_ENABLE; - if (intel_hdmi->has_audio) + if (intel_hdmi->has_audio || mode != DRM_MODE_DPMS_ON) enable_bits |= SDVO_AUDIO_ENABLE; temp = I915_READ(intel_hdmi->sdvox_reg); diff --git a/drivers/gpu/drm/i915/intel_panel.c b/drivers/gpu/drm/i915/intel_panel.c index 3df4f5fa892a..e019b2369861 100644 --- a/drivers/gpu/drm/i915/intel_panel.c +++ b/drivers/gpu/drm/i915/intel_panel.c @@ -162,19 +162,12 @@ static u32 i915_read_blc_pwm_ctl(struct drm_i915_private *dev_priv) return val; } -u32 intel_panel_get_max_backlight(struct drm_device *dev) +static u32 _intel_panel_get_max_backlight(struct drm_device *dev) { struct drm_i915_private *dev_priv = dev->dev_private; u32 max; max = i915_read_blc_pwm_ctl(dev_priv); - if (max == 0) { - /* XXX add code here to query mode clock or hardware clock - * and program max PWM appropriately. - */ - pr_warn_once("fixme: max PWM is zero\n"); - return 1; - } if (HAS_PCH_SPLIT(dev)) { max >>= 16; @@ -188,6 +181,22 @@ u32 intel_panel_get_max_backlight(struct drm_device *dev) max *= 0xff; } + return max; +} + +u32 intel_panel_get_max_backlight(struct drm_device *dev) +{ + u32 max; + + max = _intel_panel_get_max_backlight(dev); + if (max == 0) { + /* XXX add code here to query mode clock or hardware clock + * and program max PWM appropriately. + */ + pr_warn_once("fixme: max PWM is zero\n"); + return 1; + } + DRM_DEBUG_DRIVER("max backlight PWM = %d\n", max); return max; } @@ -424,7 +433,11 @@ int intel_panel_setup_backlight(struct drm_device *dev) memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_RAW; - props.max_brightness = intel_panel_get_max_backlight(dev); + props.max_brightness = _intel_panel_get_max_backlight(dev); + if (props.max_brightness == 0) { + DRM_ERROR("Failed to get maximum backlight value\n"); + return -ENODEV; + } dev_priv->backlight = backlight_device_register("intel_backlight", &connector->kdev, dev, diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c index 1881c8c83f0e..ba8a27b1757a 100644 --- a/drivers/gpu/drm/i915/intel_pm.c +++ b/drivers/gpu/drm/i915/intel_pm.c @@ -3672,6 +3672,9 @@ static void gen3_init_clock_gating(struct drm_device *dev) if (IS_PINEVIEW(dev)) I915_WRITE(ECOSKPD, _MASKED_BIT_ENABLE(ECO_GATING_CX_ONLY)); + + /* IIR "flip pending" means done if this bit is set */ + I915_WRITE(ECOSKPD, _MASKED_BIT_DISABLE(ECO_FLIP_DONE)); } static void i85x_init_clock_gating(struct drm_device *dev) diff --git a/drivers/gpu/drm/i915/intel_sdvo.c b/drivers/gpu/drm/i915/intel_sdvo.c index d81bb0bf2885..123afd357611 100644 --- a/drivers/gpu/drm/i915/intel_sdvo.c +++ b/drivers/gpu/drm/i915/intel_sdvo.c @@ -2573,7 +2573,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) hotplug_mask = intel_sdvo->is_sdvob ? SDVOB_HOTPLUG_INT_STATUS_I915 : SDVOC_HOTPLUG_INT_STATUS_I915; } - dev_priv->hotplug_supported_mask |= hotplug_mask; drm_encoder_helper_add(&intel_encoder->base, &intel_sdvo_helper_funcs); @@ -2581,14 +2580,6 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) if (!intel_sdvo_get_capabilities(intel_sdvo, &intel_sdvo->caps)) goto err; - /* Set up hotplug command - note paranoia about contents of reply. - * We assume that the hardware is in a sane state, and only touch - * the bits we think we understand. - */ - intel_sdvo_get_value(intel_sdvo, SDVO_CMD_GET_ACTIVE_HOT_PLUG, - &intel_sdvo->hotplug_active, 2); - intel_sdvo->hotplug_active[0] &= ~0x3; - if (intel_sdvo_output_setup(intel_sdvo, intel_sdvo->caps.output_flags) != true) { DRM_DEBUG_KMS("SDVO output failed to setup on %s\n", @@ -2596,6 +2587,12 @@ bool intel_sdvo_init(struct drm_device *dev, uint32_t sdvo_reg, bool is_sdvob) goto err; } + /* Only enable the hotplug irq if we need it, to work around noisy + * hotplug lines. + */ + if (intel_sdvo->hotplug_active[0]) + dev_priv->hotplug_supported_mask |= hotplug_mask; + intel_sdvo_select_ddc_bus(dev_priv, intel_sdvo, sdvo_reg); /* Set the input timing to the screen. Assume always input 0. */ diff --git a/drivers/gpu/drm/mgag200/mgag200_drv.c b/drivers/gpu/drm/mgag200/mgag200_drv.c index ea1024d79974..e5f145d2cb3b 100644 --- a/drivers/gpu/drm/mgag200/mgag200_drv.c +++ b/drivers/gpu/drm/mgag200/mgag200_drv.c @@ -84,6 +84,9 @@ static const struct file_operations mgag200_driver_fops = { .mmap = mgag200_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .read = drm_read, }; diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c index 69688ef5cf46..7e16dc5e6467 100644 --- a/drivers/gpu/drm/nouveau/nouveau_display.c +++ b/drivers/gpu/drm/nouveau/nouveau_display.c @@ -598,7 +598,7 @@ nouveau_display_dumb_create(struct drm_file *file_priv, struct drm_device *dev, args->size = args->pitch * args->height; args->size = roundup(args->size, PAGE_SIZE); - ret = nouveau_gem_new(dev, args->size, 0, TTM_PL_FLAG_VRAM, 0, 0, &bo); + ret = nouveau_gem_new(dev, args->size, 0, NOUVEAU_GEM_DOMAIN_VRAM, 0, 0, &bo); if (ret) return ret; diff --git a/drivers/gpu/drm/nouveau/nv50_gpio.c b/drivers/gpu/drm/nouveau/nv50_gpio.c index f429e6a8ca7a..c399d510b27a 100644 --- a/drivers/gpu/drm/nouveau/nv50_gpio.c +++ b/drivers/gpu/drm/nouveau/nv50_gpio.c @@ -22,6 +22,7 @@ * Authors: Ben Skeggs */ +#include <linux/dmi.h> #include "drmP.h" #include "nouveau_drv.h" #include "nouveau_hw.h" @@ -110,11 +111,26 @@ nv50_gpio_isr(struct drm_device *dev) nv_wr32(dev, 0xe074, intr1); } +static struct dmi_system_id gpio_reset_ids[] = { + { + .ident = "Apple Macbook 10,1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Apple Inc."), + DMI_MATCH(DMI_PRODUCT_NAME, "MacBookPro10,1"), + } + }, + { } +}; + int nv50_gpio_init(struct drm_device *dev) { struct drm_nouveau_private *dev_priv = dev->dev_private; + /* initialise gpios and routing to vbios defaults */ + if (dmi_check_system(gpio_reset_ids)) + nouveau_gpio_reset(dev); + /* disable, and ack any pending gpio interrupts */ nv_wr32(dev, 0xe050, 0x00000000); nv_wr32(dev, 0xe054, 0xffffffff); diff --git a/drivers/gpu/drm/nouveau/nvd0_display.c b/drivers/gpu/drm/nouveau/nvd0_display.c index dac525b2994e..8a2fc89b7763 100644 --- a/drivers/gpu/drm/nouveau/nvd0_display.c +++ b/drivers/gpu/drm/nouveau/nvd0_display.c @@ -1510,10 +1510,10 @@ nvd0_sor_mode_set(struct drm_encoder *encoder, struct drm_display_mode *umode, case OUTPUT_DP: if (nv_connector->base.display_info.bpc == 6) { nv_encoder->dp.datarate = mode->clock * 18 / 8; - syncs |= 0x00000140; + syncs |= 0x00000002 << 6; } else { nv_encoder->dp.datarate = mode->clock * 24 / 8; - syncs |= 0x00000180; + syncs |= 0x00000005 << 6; } if (nv_encoder->dcb->sorconf.link & 1) diff --git a/drivers/gpu/drm/radeon/r100.c b/drivers/gpu/drm/radeon/r100.c index 8acb34fd3fd5..8d7e33a0b243 100644 --- a/drivers/gpu/drm/radeon/r100.c +++ b/drivers/gpu/drm/radeon/r100.c @@ -1182,7 +1182,8 @@ int r100_cp_init(struct radeon_device *rdev, unsigned ring_size) ring->ready = true; radeon_ttm_set_active_vram_size(rdev, rdev->mc.real_vram_size); - if (radeon_ring_supports_scratch_reg(rdev, ring)) { + if (!ring->rptr_save_reg /* not resuming from suspend */ + && radeon_ring_supports_scratch_reg(rdev, ring)) { r = radeon_scratch_get(rdev, &ring->rptr_save_reg); if (r) { DRM_ERROR("failed to get scratch reg for rptr save (%d).\n", r); diff --git a/drivers/gpu/drm/radeon/radeon_fence.c b/drivers/gpu/drm/radeon/radeon_fence.c index 7b737b9339ad..2a59375dbe52 100644 --- a/drivers/gpu/drm/radeon/radeon_fence.c +++ b/drivers/gpu/drm/radeon/radeon_fence.c @@ -131,7 +131,7 @@ int radeon_fence_emit(struct radeon_device *rdev, */ void radeon_fence_process(struct radeon_device *rdev, int ring) { - uint64_t seq, last_seq; + uint64_t seq, last_seq, last_emitted; unsigned count_loop = 0; bool wake = false; @@ -158,13 +158,15 @@ void radeon_fence_process(struct radeon_device *rdev, int ring) */ last_seq = atomic64_read(&rdev->fence_drv[ring].last_seq); do { + last_emitted = rdev->fence_drv[ring].sync_seq[ring]; seq = radeon_fence_read(rdev, ring); seq |= last_seq & 0xffffffff00000000LL; if (seq < last_seq) { - seq += 0x100000000LL; + seq &= 0xffffffff; + seq |= last_emitted & 0xffffffff00000000LL; } - if (seq == last_seq) { + if (seq <= last_seq || seq > last_emitted) { break; } /* If we loop over we don't want to return without diff --git a/drivers/gpu/drm/savage/savage_drv.c b/drivers/gpu/drm/savage/savage_drv.c index d31d4cca9a4c..c5a164337bd5 100644 --- a/drivers/gpu/drm/savage/savage_drv.c +++ b/drivers/gpu/drm/savage/savage_drv.c @@ -43,6 +43,9 @@ static const struct file_operations savage_driver_fops = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/sis/sis_drv.c b/drivers/gpu/drm/sis/sis_drv.c index 7f119870147c..867dc03000e6 100644 --- a/drivers/gpu/drm/sis/sis_drv.c +++ b/drivers/gpu/drm/sis/sis_drv.c @@ -74,6 +74,9 @@ static const struct file_operations sis_driver_fops = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/tdfx/tdfx_drv.c b/drivers/gpu/drm/tdfx/tdfx_drv.c index 90f6b13acfac..a7f4d6bd1330 100644 --- a/drivers/gpu/drm/tdfx/tdfx_drv.c +++ b/drivers/gpu/drm/tdfx/tdfx_drv.c @@ -49,6 +49,9 @@ static const struct file_operations tdfx_driver_fops = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/udl/udl_drv.c b/drivers/gpu/drm/udl/udl_drv.c index 6e52069894b3..9f84128505bb 100644 --- a/drivers/gpu/drm/udl/udl_drv.c +++ b/drivers/gpu/drm/udl/udl_drv.c @@ -66,6 +66,9 @@ static const struct file_operations udl_driver_fops = { .unlocked_ioctl = drm_ioctl, .release = drm_release, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/via/via_drv.c b/drivers/gpu/drm/via/via_drv.c index e927b4c052f5..af1b914b17e3 100644 --- a/drivers/gpu/drm/via/via_drv.c +++ b/drivers/gpu/drm/via/via_drv.c @@ -65,6 +65,9 @@ static const struct file_operations via_driver_fops = { .mmap = drm_mmap, .poll = drm_poll, .fasync = drm_fasync, +#ifdef CONFIG_COMPAT + .compat_ioctl = drm_compat_ioctl, +#endif .llseek = noop_llseek, }; diff --git a/drivers/gpu/drm/vmwgfx/Kconfig b/drivers/gpu/drm/vmwgfx/Kconfig index 794ff67c5701..b71bcd0bfbbf 100644 --- a/drivers/gpu/drm/vmwgfx/Kconfig +++ b/drivers/gpu/drm/vmwgfx/Kconfig @@ -12,3 +12,11 @@ config DRM_VMWGFX This is a KMS enabled DRM driver for the VMware SVGA2 virtual hardware. The compiled module will be called "vmwgfx.ko". + +config DRM_VMWGFX_FBCON + depends on DRM_VMWGFX + bool "Enable framebuffer console under vmwgfx by default" + help + Choose this option if you are shipping a new vmwgfx + userspace driver that supports using the kernel driver. + diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c index 4d9edead01ac..ba2c35dbf10e 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.c @@ -182,8 +182,9 @@ static struct pci_device_id vmw_pci_id_list[] = { {0x15ad, 0x0405, PCI_ANY_ID, PCI_ANY_ID, 0, 0, VMWGFX_CHIP_SVGAII}, {0, 0, 0} }; +MODULE_DEVICE_TABLE(pci, vmw_pci_id_list); -static int enable_fbdev; +static int enable_fbdev = IS_ENABLED(CONFIG_DRM_VMWGFX_FBCON); static int vmw_probe(struct pci_dev *, const struct pci_device_id *); static void vmw_master_init(struct vmw_master *); @@ -1154,6 +1155,11 @@ static struct drm_driver driver = { .open = vmw_driver_open, .preclose = vmw_preclose, .postclose = vmw_postclose, + + .dumb_create = vmw_dumb_create, + .dumb_map_offset = vmw_dumb_map_offset, + .dumb_destroy = vmw_dumb_destroy, + .fops = &vmwgfx_driver_fops, .name = VMWGFX_DRIVER_NAME, .desc = VMWGFX_DRIVER_DESC, diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h index d0f2c079ee27..29c984ff7f23 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_drv.h @@ -645,6 +645,16 @@ int vmw_kms_readback(struct vmw_private *dev_priv, int vmw_kms_update_layout_ioctl(struct drm_device *dev, void *data, struct drm_file *file_priv); +int vmw_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args); + +int vmw_dumb_map_offset(struct drm_file *file_priv, + struct drm_device *dev, uint32_t handle, + uint64_t *offset); +int vmw_dumb_destroy(struct drm_file *file_priv, + struct drm_device *dev, + uint32_t handle); /** * Overlay control - vmwgfx_overlay.c */ diff --git a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c index 22bf9a21ec71..2c6ffe0e2c07 100644 --- a/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c +++ b/drivers/gpu/drm/vmwgfx/vmwgfx_resource.c @@ -1917,3 +1917,76 @@ err_ref: vmw_resource_unreference(&res); return ret; } + + +int vmw_dumb_create(struct drm_file *file_priv, + struct drm_device *dev, + struct drm_mode_create_dumb *args) +{ + struct vmw_private *dev_priv = vmw_priv(dev); + struct vmw_master *vmaster = vmw_master(file_priv->master); + struct vmw_user_dma_buffer *vmw_user_bo; + struct ttm_buffer_object *tmp; + int ret; + + args->pitch = args->width * ((args->bpp + 7) / 8); + args->size = args->pitch * args->height; + + vmw_user_bo = kzalloc(sizeof(*vmw_user_bo), GFP_KERNEL); + if (vmw_user_bo == NULL) + return -ENOMEM; + + ret = ttm_read_lock(&vmaster->lock, true); + if (ret != 0) { + kfree(vmw_user_bo); + return ret; + } + + ret = vmw_dmabuf_init(dev_priv, &vmw_user_bo->dma, args->size, + &vmw_vram_sys_placement, true, + &vmw_user_dmabuf_destroy); + if (ret != 0) + goto out_no_dmabuf; + + tmp = ttm_bo_reference(&vmw_user_bo->dma.base); + ret = ttm_base_object_init(vmw_fpriv(file_priv)->tfile, + &vmw_user_bo->base, + false, + ttm_buffer_type, + &vmw_user_dmabuf_release, NULL); + if (unlikely(ret != 0)) + goto out_no_base_object; + + args->handle = vmw_user_bo->base.hash.key; + +out_no_base_object: + ttm_bo_unref(&tmp); +out_no_dmabuf: + ttm_read_unlock(&vmaster->lock); + return ret; +} + +int vmw_dumb_map_offset(struct drm_file *file_priv, + struct drm_device *dev, uint32_t handle, + uint64_t *offset) +{ + struct ttm_object_file *tfile = vmw_fpriv(file_priv)->tfile; + struct vmw_dma_buffer *out_buf; + int ret; + + ret = vmw_user_dmabuf_lookup(tfile, handle, &out_buf); + if (ret != 0) + return -EINVAL; + + *offset = out_buf->base.addr_space_offset; + vmw_dmabuf_unreference(&out_buf); + return 0; +} + +int vmw_dumb_destroy(struct drm_file *file_priv, + struct drm_device *dev, + uint32_t handle) +{ + return ttm_ref_object_base_unref(vmw_fpriv(file_priv)->tfile, + handle, TTM_REF_USAGE); +} diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig index fbf49503508d..bf0617e47b89 100644 --- a/drivers/hid/Kconfig +++ b/drivers/hid/Kconfig @@ -527,6 +527,14 @@ config HID_PICOLCD_LEDS ---help--- Provide access to PicoLCD's GPO pins via leds class. +config HID_PICOLCD_CIR + bool "CIR via RC class" if EXPERT + default !EXPERT + depends on HID_PICOLCD + depends on HID_PICOLCD=RC_CORE || RC_CORE=y + ---help--- + Provide access to PicoLCD's CIR interface via remote control (LIRC). + config HID_PRIMAX tristate "Primax non-fully HID-compliant devices" depends on USB_HID @@ -534,6 +542,15 @@ config HID_PRIMAX Support for Primax devices that are not fully compliant with the HID standard. +config HID_PS3REMOTE + tristate "Sony PS3 BD Remote Control" + depends on BT_HIDP + ---help--- + Support for the Sony PS3 Blue-ray Disk Remote Control and Logitech + Harmony Adapter for PS3, which connect over Bluetooth. + + Support for the 6-axis controllers is provided by HID_SONY. + config HID_ROCCAT tristate "Roccat device support" depends on USB_HID @@ -561,7 +578,9 @@ config HID_SONY tristate "Sony PS3 controller" depends on USB_HID ---help--- - Support for Sony PS3 controller. + Support for Sony PS3 6-axis controllers. + + Support for the Sony PS3 BD Remote is provided by HID_PS3REMOTE. config HID_SPEEDLINK tristate "Speedlink VAD Cezanne mouse support" diff --git a/drivers/hid/Makefile b/drivers/hid/Makefile index f975485f88b2..5a3690ff9bf2 100644 --- a/drivers/hid/Makefile +++ b/drivers/hid/Makefile @@ -69,7 +69,28 @@ obj-$(CONFIG_HID_PRODIKEYS) += hid-prodikeys.o obj-$(CONFIG_HID_PANTHERLORD) += hid-pl.o obj-$(CONFIG_HID_PETALYNX) += hid-petalynx.o obj-$(CONFIG_HID_PICOLCD) += hid-picolcd.o +hid-picolcd-y += hid-picolcd_core.o +ifdef CONFIG_HID_PICOLCD_FB +hid-picolcd-y += hid-picolcd_fb.o +endif +ifdef CONFIG_HID_PICOLCD_BACKLIGHT +hid-picolcd-y += hid-picolcd_backlight.o +endif +ifdef CONFIG_HID_PICOLCD_LCD +hid-picolcd-y += hid-picolcd_lcd.o +endif +ifdef CONFIG_HID_PICOLCD_LEDS +hid-picolcd-y += hid-picolcd_leds.o +endif +ifdef CONFIG_HID_PICOLCD_CIR +hid-picolcd-y += hid-picolcd_cir.o +endif +ifdef CONFIG_DEBUG_FS +hid-picolcd-y += hid-picolcd_debugfs.o +endif + obj-$(CONFIG_HID_PRIMAX) += hid-primax.o +obj-$(CONFIG_HID_PS3REMOTE) += hid-ps3remote.o obj-$(CONFIG_HID_ROCCAT) += hid-roccat.o hid-roccat-common.o \ hid-roccat-arvo.o hid-roccat-isku.o hid-roccat-kone.o \ hid-roccat-koneplus.o hid-roccat-kovaplus.o hid-roccat-pyra.o \ diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 8bcd168fffae..9072e0ed1876 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1566,6 +1566,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) }, @@ -1639,6 +1640,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) }, + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) }, { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) }, @@ -1663,6 +1665,7 @@ static const struct hid_device_id hid_have_special_driver[] = { { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) }, { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) }, diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h index 1dcb76ff51e3..a534375fdf2e 100644 --- a/drivers/hid/hid-ids.h +++ b/drivers/hid/hid-ids.h @@ -283,6 +283,9 @@ #define USB_VENDOR_ID_EMS 0x2006 #define USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II 0x0118 +#define USB_VENDOR_ID_FLATFROG 0x25b5 +#define USB_DEVICE_ID_MULTITOUCH_3200 0x0002 + #define USB_VENDOR_ID_ESSENTIAL_REALITY 0x0d7f #define USB_DEVICE_ID_ESSENTIAL_REALITY_P5 0x0100 @@ -496,6 +499,7 @@ #define USB_DEVICE_ID_LOGITECH_RECEIVER 0xc101 #define USB_DEVICE_ID_LOGITECH_HARMONY_FIRST 0xc110 #define USB_DEVICE_ID_LOGITECH_HARMONY_LAST 0xc14f +#define USB_DEVICE_ID_LOGITECH_HARMONY_PS3 0x0306 #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD 0xc20a #define USB_DEVICE_ID_LOGITECH_RUMBLEPAD 0xc211 #define USB_DEVICE_ID_LOGITECH_EXTREME_3D 0xc215 @@ -683,6 +687,7 @@ #define USB_VENDOR_ID_SONY 0x054c #define USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE 0x024b +#define USB_DEVICE_ID_SONY_PS3_BDREMOTE 0x0306 #define USB_DEVICE_ID_SONY_PS3_CONTROLLER 0x0268 #define USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER 0x042f @@ -758,6 +763,7 @@ #define USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U 0x0005 #define USB_DEVICE_ID_UCLOGIC_TABLET_WP1062 0x0064 #define USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850 0x0522 +#define USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60 0x0781 #define USB_VENDOR_ID_UNITEC 0x227d #define USB_DEVICE_ID_UNITEC_USB_TOUCH_0709 0x0709 diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 811bfad64609..d917c0d53685 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1154,6 +1154,7 @@ static void report_features(struct hid_device *hid) int hidinput_connect(struct hid_device *hid, unsigned int force) { + struct hid_driver *drv = hid->driver; struct hid_report *report; struct hid_input *hidinput = NULL; struct input_dev *input_dev; @@ -1228,6 +1229,8 @@ int hidinput_connect(struct hid_device *hid, unsigned int force) * UGCI) cram a lot of unrelated inputs into the * same interface. */ hidinput->report = report; + if (drv->input_configured) + drv->input_configured(hid, hidinput); if (input_register_device(hidinput->input)) goto out_cleanup; hidinput = NULL; @@ -1235,8 +1238,12 @@ int hidinput_connect(struct hid_device *hid, unsigned int force) } } - if (hidinput && input_register_device(hidinput->input)) - goto out_cleanup; + if (hidinput) { + if (drv->input_configured) + drv->input_configured(hid, hidinput); + if (input_register_device(hidinput->input)) + goto out_cleanup; + } return 0; diff --git a/drivers/hid/hid-lenovo-tpkbd.c b/drivers/hid/hid-lenovo-tpkbd.c index 77d2df04c97b..60c4e1e85913 100644 --- a/drivers/hid/hid-lenovo-tpkbd.c +++ b/drivers/hid/hid-lenovo-tpkbd.c @@ -519,6 +519,8 @@ static void tpkbd_remove_tp(struct hid_device *hdev) led_classdev_unregister(&data_pointer->led_mute); hid_set_drvdata(hdev, NULL); + kfree(data_pointer->led_micmute.name); + kfree(data_pointer->led_mute.name); kfree(data_pointer); } diff --git a/drivers/hid/hid-lg.c b/drivers/hid/hid-lg.c index fc37ed6b108c..afc4de389f81 100644 --- a/drivers/hid/hid-lg.c +++ b/drivers/hid/hid-lg.c @@ -342,6 +342,9 @@ static int lg_event(struct hid_device *hdev, struct hid_field *field, -value); return 1; } + if (drv_data->quirks & LG_FF4) { + return lg4ff_adjust_input_event(hdev, field, usage, value, drv_data); + } return 0; } @@ -358,7 +361,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) return -ENOMEM; } drv_data->quirks = id->driver_data; - + hid_set_drvdata(hdev, (void *)drv_data); if (drv_data->quirks & LG_NOGET) @@ -380,7 +383,7 @@ static int lg_probe(struct hid_device *hdev, const struct hid_device_id *id) } /* Setup wireless link with Logitech Wii wheel */ - if(hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) { + if (hdev->product == USB_DEVICE_ID_LOGITECH_WII_WHEEL) { unsigned char buf[] = { 0x00, 0xAF, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; ret = hdev->hid_output_raw_report(hdev, buf, sizeof(buf), HID_FEATURE_REPORT); @@ -476,7 +479,7 @@ static const struct hid_device_id lg_devices[] = { .driver_data = LG_NOGET | LG_FF4 }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL), .driver_data = LG_FF4 }, - { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ), + { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG), .driver_data = LG_FF }, { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2), .driver_data = LG_FF2 }, diff --git a/drivers/hid/hid-lg.h b/drivers/hid/hid-lg.h index d64cf8d2751e..142ce3f5f055 100644 --- a/drivers/hid/hid-lg.h +++ b/drivers/hid/hid-lg.h @@ -25,9 +25,13 @@ static inline int lg3ff_init(struct hid_device *hdev) { return -1; } #endif #ifdef CONFIG_LOGIWHEELS_FF +int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data); int lg4ff_init(struct hid_device *hdev); int lg4ff_deinit(struct hid_device *hdev); #else +static inline int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data) { return 0; } static inline int lg4ff_init(struct hid_device *hdev) { return -1; } static inline int lg4ff_deinit(struct hid_device *hdev) { return -1; } #endif diff --git a/drivers/hid/hid-lg4ff.c b/drivers/hid/hid-lg4ff.c index f3390ee6105c..4fb4a80928c8 100644 --- a/drivers/hid/hid-lg4ff.c +++ b/drivers/hid/hid-lg4ff.c @@ -43,6 +43,11 @@ #define G27_REV_MAJ 0x12 #define G27_REV_MIN 0x38 +#define DFP_X_MIN 0 +#define DFP_X_MAX 16383 +#define DFP_PEDAL_MIN 0 +#define DFP_PEDAL_MAX 255 + #define to_hid_device(pdev) container_of(pdev, struct hid_device, dev) static void hid_lg4ff_set_range_dfp(struct hid_device *hid, u16 range); @@ -53,6 +58,7 @@ static ssize_t lg4ff_range_store(struct device *dev, struct device_attribute *at static DEVICE_ATTR(range, S_IRWXU | S_IRWXG | S_IRWXO, lg4ff_range_show, lg4ff_range_store); struct lg4ff_device_entry { + __u32 product_id; __u16 range; __u16 min_range; __u16 max_range; @@ -129,26 +135,77 @@ static const struct lg4ff_usb_revision lg4ff_revs[] = { {G27_REV_MAJ, G27_REV_MIN, &native_g27}, /* G27 */ }; +/* Recalculates X axis value accordingly to currently selected range */ +static __s32 lg4ff_adjust_dfp_x_axis(__s32 value, __u16 range) +{ + __u16 max_range; + __s32 new_value; + + if (range == 900) + return value; + else if (range == 200) + return value; + else if (range < 200) + max_range = 200; + else + max_range = 900; + + new_value = 8192 + mult_frac(value - 8192, max_range, range); + if (new_value < 0) + return 0; + else if (new_value > 16383) + return 16383; + else + return new_value; +} + +int lg4ff_adjust_input_event(struct hid_device *hid, struct hid_field *field, + struct hid_usage *usage, __s32 value, struct lg_drv_data *drv_data) +{ + struct lg4ff_device_entry *entry = drv_data->device_props; + __s32 new_value = 0; + + if (!entry) { + hid_err(hid, "Device properties not found"); + return 0; + } + + switch (entry->product_id) { + case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: + switch (usage->code) { + case ABS_X: + new_value = lg4ff_adjust_dfp_x_axis(value, entry->range); + input_event(field->hidinput->input, usage->type, usage->code, new_value); + return 1; + default: + return 0; + } + default: + return 0; + } +} + static int hid_lg4ff_play(struct input_dev *dev, void *data, struct ff_effect *effect) { struct hid_device *hid = input_get_drvdata(dev); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; int x; -#define CLAMP(x) if (x < 0) x = 0; if (x > 0xff) x = 0xff +#define CLAMP(x) do { if (x < 0) x = 0; else if (x > 0xff) x = 0xff; } while (0) switch (effect->type) { case FF_CONSTANT: x = effect->u.ramp.start_level + 0x80; /* 0x80 is no force */ CLAMP(x); - report->field[0]->value[0] = 0x11; /* Slot 1 */ - report->field[0]->value[1] = 0x08; - report->field[0]->value[2] = x; - report->field[0]->value[3] = 0x80; - report->field[0]->value[4] = 0x00; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + value[0] = 0x11; /* Slot 1 */ + value[1] = 0x08; + value[2] = x; + value[3] = 0x80; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; usbhid_submit_report(hid, report, USB_DIR_OUT); break; @@ -163,14 +220,15 @@ static void hid_lg4ff_set_autocenter_default(struct input_dev *dev, u16 magnitud struct hid_device *hid = input_get_drvdata(dev); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; - report->field[0]->value[0] = 0xfe; - report->field[0]->value[1] = 0x0d; - report->field[0]->value[2] = magnitude >> 13; - report->field[0]->value[3] = magnitude >> 13; - report->field[0]->value[4] = magnitude >> 8; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + value[0] = 0xfe; + value[1] = 0x0d; + value[2] = magnitude >> 13; + value[3] = magnitude >> 13; + value[4] = magnitude >> 8; + value[5] = 0x00; + value[6] = 0x00; usbhid_submit_report(hid, report, USB_DIR_OUT); } @@ -181,16 +239,16 @@ static void hid_lg4ff_set_autocenter_ffex(struct input_dev *dev, u16 magnitude) struct hid_device *hid = input_get_drvdata(dev); struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; magnitude = magnitude * 90 / 65535; - - report->field[0]->value[0] = 0xfe; - report->field[0]->value[1] = 0x03; - report->field[0]->value[2] = magnitude >> 14; - report->field[0]->value[3] = magnitude >> 14; - report->field[0]->value[4] = magnitude; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + value[0] = 0xfe; + value[1] = 0x03; + value[2] = magnitude >> 14; + value[3] = magnitude >> 14; + value[4] = magnitude; + value[5] = 0x00; + value[6] = 0x00; usbhid_submit_report(hid, report, USB_DIR_OUT); } @@ -200,15 +258,17 @@ static void hid_lg4ff_set_range_g25(struct hid_device *hid, u16 range) { struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); + __s32 *value = report->field[0]->value; + dbg_hid("G25/G27/DFGT: setting range to %u\n", range); - report->field[0]->value[0] = 0xf8; - report->field[0]->value[1] = 0x81; - report->field[0]->value[2] = range & 0x00ff; - report->field[0]->value[3] = (range & 0xff00) >> 8; - report->field[0]->value[4] = 0x00; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + value[0] = 0xf8; + value[1] = 0x81; + value[2] = range & 0x00ff; + value[3] = (range & 0xff00) >> 8; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; usbhid_submit_report(hid, report, USB_DIR_OUT); } @@ -219,16 +279,18 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range) struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); int start_left, start_right, full_range; + __s32 *value = report->field[0]->value; + dbg_hid("Driving Force Pro: setting range to %u\n", range); /* Prepare "coarse" limit command */ - report->field[0]->value[0] = 0xf8; - report->field[0]->value[1] = 0x00; /* Set later */ - report->field[0]->value[2] = 0x00; - report->field[0]->value[3] = 0x00; - report->field[0]->value[4] = 0x00; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + value[0] = 0xf8; + value[1] = 0x00; /* Set later */ + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; if (range > 200) { report->field[0]->value[1] = 0x03; @@ -240,13 +302,13 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range) usbhid_submit_report(hid, report, USB_DIR_OUT); /* Prepare "fine" limit command */ - report->field[0]->value[0] = 0x81; - report->field[0]->value[1] = 0x0b; - report->field[0]->value[2] = 0x00; - report->field[0]->value[3] = 0x00; - report->field[0]->value[4] = 0x00; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + value[0] = 0x81; + value[1] = 0x0b; + value[2] = 0x00; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; if (range == 200 || range == 900) { /* Do not apply any fine limit */ usbhid_submit_report(hid, report, USB_DIR_OUT); @@ -257,11 +319,11 @@ static void hid_lg4ff_set_range_dfp(struct hid_device *hid, __u16 range) start_left = (((full_range - range + 1) * 2047) / full_range); start_right = 0xfff - start_left; - report->field[0]->value[2] = start_left >> 4; - report->field[0]->value[3] = start_right >> 4; - report->field[0]->value[4] = 0xff; - report->field[0]->value[5] = (start_right & 0xe) << 4 | (start_left & 0xe); - report->field[0]->value[6] = 0xff; + value[2] = start_left >> 4; + value[3] = start_right >> 4; + value[4] = 0xff; + value[5] = (start_right & 0xe) << 4 | (start_left & 0xe); + value[6] = 0xff; usbhid_submit_report(hid, report, USB_DIR_OUT); } @@ -344,14 +406,15 @@ static void lg4ff_set_leds(struct hid_device *hid, __u8 leds) { struct list_head *report_list = &hid->report_enum[HID_OUTPUT_REPORT].report_list; struct hid_report *report = list_entry(report_list->next, struct hid_report, list); - - report->field[0]->value[0] = 0xf8; - report->field[0]->value[1] = 0x12; - report->field[0]->value[2] = leds; - report->field[0]->value[3] = 0x00; - report->field[0]->value[4] = 0x00; - report->field[0]->value[5] = 0x00; - report->field[0]->value[6] = 0x00; + __s32 *value = report->field[0]->value; + + value[0] = 0xf8; + value[1] = 0x12; + value[2] = leds; + value[3] = 0x00; + value[4] = 0x00; + value[5] = 0x00; + value[6] = 0x00; usbhid_submit_report(hid, report, USB_DIR_OUT); } @@ -501,7 +564,7 @@ int lg4ff_init(struct hid_device *hid) /* Check if autocentering is available and * set the centering force to zero by default */ if (test_bit(FF_AUTOCENTER, dev->ffbit)) { - if(rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */ + if (rev_maj == FFEX_REV_MAJ && rev_min == FFEX_REV_MIN) /* Formula Force EX expects different autocentering command */ dev->ff->set_autocenter = hid_lg4ff_set_autocenter_ffex; else dev->ff->set_autocenter = hid_lg4ff_set_autocenter_default; @@ -524,6 +587,7 @@ int lg4ff_init(struct hid_device *hid) } drv_data->device_props = entry; + entry->product_id = lg4ff_devices[i].product_id; entry->min_range = lg4ff_devices[i].min_range; entry->max_range = lg4ff_devices[i].max_range; entry->set_range = lg4ff_devices[i].set_range; @@ -534,6 +598,18 @@ int lg4ff_init(struct hid_device *hid) return error; dbg_hid("sysfs interface created\n"); + /* Set default axes parameters */ + switch (lg4ff_devices[i].product_id) { + case USB_DEVICE_ID_LOGITECH_DFP_WHEEL: + dbg_hid("Setting axes parameters for Driving Force Pro\n"); + input_set_abs_params(dev, ABS_X, DFP_X_MIN, DFP_X_MAX, 0, 0); + input_set_abs_params(dev, ABS_Y, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0); + input_set_abs_params(dev, ABS_RZ, DFP_PEDAL_MIN, DFP_PEDAL_MAX, 0, 0); + break; + default: + break; + } + /* Set the maximum range to start with */ entry->range = entry->max_range; if (entry->set_range != NULL) @@ -594,6 +670,8 @@ out: return 0; } + + int lg4ff_deinit(struct hid_device *hid) { struct lg4ff_device_entry *entry; diff --git a/drivers/hid/hid-logitech-dj.c b/drivers/hid/hid-logitech-dj.c index 4d524b5f52f5..9500f2f3f8fe 100644 --- a/drivers/hid/hid-logitech-dj.c +++ b/drivers/hid/hid-logitech-dj.c @@ -193,6 +193,7 @@ static struct hid_ll_driver logi_dj_ll_driver; static int logi_dj_output_hidraw_report(struct hid_device *hid, u8 * buf, size_t count, unsigned char report_type); +static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev); static void logi_dj_recv_destroy_djhid_device(struct dj_receiver_dev *djrcv_dev, struct dj_report *dj_report) @@ -233,6 +234,7 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, if (dj_report->report_params[DEVICE_PAIRED_PARAM_SPFUNCTION] & SPFUNCTION_DEVICE_LIST_EMPTY) { dbg_hid("%s: device list is empty\n", __func__); + djrcv_dev->querying_devices = false; return; } @@ -243,6 +245,12 @@ static void logi_dj_recv_add_djhid_device(struct dj_receiver_dev *djrcv_dev, return; } + if (djrcv_dev->paired_dj_devices[dj_report->device_index]) { + /* The device is already known. No need to reallocate it. */ + dbg_hid("%s: device is already known\n", __func__); + return; + } + dj_hiddev = hid_allocate_device(); if (IS_ERR(dj_hiddev)) { dev_err(&djrcv_hdev->dev, "%s: hid_allocate_device failed\n", @@ -306,6 +314,7 @@ static void delayedwork_callback(struct work_struct *work) struct dj_report dj_report; unsigned long flags; int count; + int retval; dbg_hid("%s\n", __func__); @@ -338,6 +347,25 @@ static void delayedwork_callback(struct work_struct *work) logi_dj_recv_destroy_djhid_device(djrcv_dev, &dj_report); break; default: + /* A normal report (i. e. not belonging to a pair/unpair notification) + * arriving here, means that the report arrived but we did not have a + * paired dj_device associated to the report's device_index, this + * means that the original "device paired" notification corresponding + * to this dj_device never arrived to this driver. The reason is that + * hid-core discards all packets coming from a device while probe() is + * executing. */ + if (!djrcv_dev->paired_dj_devices[dj_report.device_index]) { + /* ok, we don't know the device, just re-ask the + * receiver for the list of connected devices. */ + retval = logi_dj_recv_query_paired_devices(djrcv_dev); + if (!retval) { + /* everything went fine, so just leave */ + break; + } + dev_err(&djrcv_dev->hdev->dev, + "%s:logi_dj_recv_query_paired_devices " + "error:%d\n", __func__, retval); + } dbg_hid("%s: unexpected report type\n", __func__); } } @@ -368,6 +396,12 @@ static void logi_dj_recv_forward_null_report(struct dj_receiver_dev *djrcv_dev, if (!djdev) { dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } return; } @@ -398,6 +432,12 @@ static void logi_dj_recv_forward_report(struct dj_receiver_dev *djrcv_dev, if (dj_device == NULL) { dbg_hid("djrcv_dev->paired_dj_devices[dj_report->device_index]" " is NULL, index %d\n", dj_report->device_index); + kfifo_in(&djrcv_dev->notif_fifo, dj_report, sizeof(struct dj_report)); + + if (schedule_work(&djrcv_dev->work) == 0) { + dbg_hid("%s: did not schedule the work item, was already " + "queued\n", __func__); + } return; } @@ -439,6 +479,10 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) struct dj_report *dj_report; int retval; + /* no need to protect djrcv_dev->querying_devices */ + if (djrcv_dev->querying_devices) + return 0; + dj_report = kzalloc(sizeof(struct dj_report), GFP_KERNEL); if (!dj_report) return -ENOMEM; @@ -450,6 +494,7 @@ static int logi_dj_recv_query_paired_devices(struct dj_receiver_dev *djrcv_dev) return retval; } + static int logi_dj_recv_switch_to_dj_mode(struct dj_receiver_dev *djrcv_dev, unsigned timeout) { diff --git a/drivers/hid/hid-logitech-dj.h b/drivers/hid/hid-logitech-dj.h index fd28a5e0ca3b..4a4000340ce1 100644 --- a/drivers/hid/hid-logitech-dj.h +++ b/drivers/hid/hid-logitech-dj.h @@ -101,6 +101,7 @@ struct dj_receiver_dev { struct work_struct work; struct kfifo notif_fifo; spinlock_t lock; + bool querying_devices; }; struct dj_device { diff --git a/drivers/hid/hid-magicmouse.c b/drivers/hid/hid-magicmouse.c index 73647266daad..25ddf3e3aec6 100644 --- a/drivers/hid/hid-magicmouse.c +++ b/drivers/hid/hid-magicmouse.c @@ -392,7 +392,7 @@ static int magicmouse_setup_input(struct input_dev *input, struct hid_device *hd __set_bit(EV_ABS, input->evbit); - error = input_mt_init_slots(input, 16); + error = input_mt_init_slots(input, 16, 0); if (error) return error; input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, 255 << 2, diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index 59c8b5c1d2de..ee0b76b398cb 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -51,12 +51,12 @@ MODULE_LICENSE("GPL"); #define MT_QUIRK_VALID_IS_INRANGE (1 << 5) #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6) #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) +#define MT_QUIRK_NO_AREA (1 << 9) struct mt_slot { __s32 x, y, p, w, h; __s32 contactid; /* the device ContactID assigned to this slot */ bool touch_state; /* is the touch valid? */ - bool seen_in_this_frame;/* has this slot been updated */ }; struct mt_class { @@ -92,8 +92,9 @@ struct mt_device { __u8 touches_by_report; /* how many touches are present in one report: * 1 means we should use a serial protocol * > 1 means hybrid (multitouch) protocol */ + bool serial_maybe; /* need to check for serial protocol */ bool curvalid; /* is the current contact valid? */ - struct mt_slot *slots; + unsigned mt_flags; /* flags to pass to input-mt */ }; /* classes of device behavior */ @@ -115,6 +116,7 @@ struct mt_device { #define MT_CLS_EGALAX_SERIAL 0x0104 #define MT_CLS_TOPSEED 0x0105 #define MT_CLS_PANASONIC 0x0106 +#define MT_CLS_FLATFROG 0x0107 #define MT_DEFAULT_MAXCONTACT 10 @@ -134,25 +136,6 @@ static int cypress_compute_slot(struct mt_device *td) return -1; } -static int find_slot_from_contactid(struct mt_device *td) -{ - int i; - for (i = 0; i < td->maxcontacts; ++i) { - if (td->slots[i].contactid == td->curdata.contactid && - td->slots[i].touch_state) - return i; - } - for (i = 0; i < td->maxcontacts; ++i) { - if (!td->slots[i].seen_in_this_frame && - !td->slots[i].touch_state) - return i; - } - /* should not occurs. If this happens that means - * that the device sent more touches that it says - * in the report descriptor. It is ignored then. */ - return -1; -} - static struct mt_class mt_classes[] = { { .name = MT_CLS_DEFAULT, .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, @@ -190,7 +173,9 @@ static struct mt_class mt_classes[] = { MT_QUIRK_SLOT_IS_CONTACTID, .sn_move = 2048, .sn_width = 128, - .sn_height = 128 }, + .sn_height = 128, + .maxcontacts = 60, + }, { .name = MT_CLS_CYPRESS, .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | MT_QUIRK_CYPRESS, @@ -216,6 +201,12 @@ static struct mt_class mt_classes[] = { .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, .maxcontacts = 4 }, + { .name = MT_CLS_FLATFROG, + .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | + MT_QUIRK_NO_AREA, + .sn_move = 2048, + .maxcontacts = 40, + }, { } }; @@ -319,24 +310,16 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, * We need to ignore fields that belong to other collections * such as Mouse that might have the same GenericDesktop usages. */ if (field->application == HID_DG_TOUCHSCREEN) - set_bit(INPUT_PROP_DIRECT, hi->input->propbit); + td->mt_flags |= INPUT_MT_DIRECT; else if (field->application != HID_DG_TOUCHPAD) return 0; - /* In case of an indirect device (touchpad), we need to add - * specific BTN_TOOL_* to be handled by the synaptics xorg - * driver. - * We also consider that touchscreens providing buttons are touchpads. + /* + * Model touchscreens providing buttons as touchpads. */ if (field->application == HID_DG_TOUCHPAD || - (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON || - cls->is_indirect) { - set_bit(INPUT_PROP_POINTER, hi->input->propbit); - set_bit(BTN_TOOL_FINGER, hi->input->keybit); - set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit); - set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit); - set_bit(BTN_TOOL_QUADTAP, hi->input->keybit); - } + (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) + td->mt_flags |= INPUT_MT_POINTER; /* eGalax devices provide a Digitizer.Stylus input which overrides * the correct Digitizers.Finger X/Y ranges. @@ -353,8 +336,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, EV_ABS, ABS_MT_POSITION_X); set_abs(hi->input, ABS_MT_POSITION_X, field, cls->sn_move); - /* touchscreen emulation */ - set_abs(hi->input, ABS_X, field, cls->sn_move); mt_store_field(usage, td, hi); td->last_field_index = field->index; return 1; @@ -363,8 +344,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, EV_ABS, ABS_MT_POSITION_Y); set_abs(hi->input, ABS_MT_POSITION_Y, field, cls->sn_move); - /* touchscreen emulation */ - set_abs(hi->input, ABS_Y, field, cls->sn_move); mt_store_field(usage, td, hi); td->last_field_index = field->index; return 1; @@ -388,9 +367,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, td->last_field_index = field->index; return 1; case HID_DG_CONTACTID: - if (!td->maxcontacts) - td->maxcontacts = MT_DEFAULT_MAXCONTACT; - input_mt_init_slots(hi->input, td->maxcontacts); mt_store_field(usage, td, hi); td->last_field_index = field->index; td->touches_by_report++; @@ -398,18 +374,21 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, case HID_DG_WIDTH: hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_TOUCH_MAJOR); - set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, - cls->sn_width); + if (!(cls->quirks & MT_QUIRK_NO_AREA)) + set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, + cls->sn_width); mt_store_field(usage, td, hi); td->last_field_index = field->index; return 1; case HID_DG_HEIGHT: hid_map_usage(hi, usage, bit, max, EV_ABS, ABS_MT_TOUCH_MINOR); - set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, - cls->sn_height); - input_set_abs_params(hi->input, + if (!(cls->quirks & MT_QUIRK_NO_AREA)) { + set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, + cls->sn_height); + input_set_abs_params(hi->input, ABS_MT_ORIENTATION, 0, 1, 0, 0); + } mt_store_field(usage, td, hi); td->last_field_index = field->index; return 1; @@ -418,9 +397,6 @@ static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, EV_ABS, ABS_MT_PRESSURE); set_abs(hi->input, ABS_MT_PRESSURE, field, cls->sn_pressure); - /* touchscreen emulation */ - set_abs(hi->input, ABS_PRESSURE, field, - cls->sn_pressure); mt_store_field(usage, td, hi); td->last_field_index = field->index; return 1; @@ -464,7 +440,7 @@ static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, return -1; } -static int mt_compute_slot(struct mt_device *td) +static int mt_compute_slot(struct mt_device *td, struct input_dev *input) { __s32 quirks = td->mtclass.quirks; @@ -480,42 +456,23 @@ static int mt_compute_slot(struct mt_device *td) if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) return td->curdata.contactid - 1; - return find_slot_from_contactid(td); + return input_mt_get_slot_by_key(input, td->curdata.contactid); } /* * this function is called when a whole contact has been processed, * so that it can assign it to a slot and store the data there */ -static void mt_complete_slot(struct mt_device *td) +static void mt_complete_slot(struct mt_device *td, struct input_dev *input) { - td->curdata.seen_in_this_frame = true; if (td->curvalid) { - int slotnum = mt_compute_slot(td); - - if (slotnum >= 0 && slotnum < td->maxcontacts) - td->slots[slotnum] = td->curdata; - } - td->num_received++; -} - + int slotnum = mt_compute_slot(td, input); + struct mt_slot *s = &td->curdata; -/* - * this function is called when a whole packet has been received and processed, - * so that it can decide what to send to the input layer. - */ -static void mt_emit_event(struct mt_device *td, struct input_dev *input) -{ - int i; + if (slotnum < 0 || slotnum >= td->maxcontacts) + return; - for (i = 0; i < td->maxcontacts; ++i) { - struct mt_slot *s = &(td->slots[i]); - if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) && - !s->seen_in_this_frame) { - s->touch_state = false; - } - - input_mt_slot(input, i); + input_mt_slot(input, slotnum); input_mt_report_slot_state(input, MT_TOOL_FINGER, s->touch_state); if (s->touch_state) { @@ -532,24 +489,29 @@ static void mt_emit_event(struct mt_device *td, struct input_dev *input) input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); } - s->seen_in_this_frame = false; - } - input_mt_report_pointer_emulation(input, true); + td->num_received++; +} + +/* + * this function is called when a whole packet has been received and processed, + * so that it can decide what to send to the input layer. + */ +static void mt_sync_frame(struct mt_device *td, struct input_dev *input) +{ + input_mt_sync_frame(input); input_sync(input); td->num_received = 0; } - - static int mt_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) { struct mt_device *td = hid_get_drvdata(hid); __s32 quirks = td->mtclass.quirks; - if (hid->claimed & HID_CLAIMED_INPUT && td->slots) { + if (hid->claimed & HID_CLAIMED_INPUT) { switch (usage->hid) { case HID_DG_INRANGE: if (quirks & MT_QUIRK_ALWAYS_VALID) @@ -602,11 +564,11 @@ static int mt_event(struct hid_device *hid, struct hid_field *field, } if (usage->hid == td->last_slot_field) - mt_complete_slot(td); + mt_complete_slot(td, field->hidinput->input); if (field->index == td->last_field_index && td->num_received >= td->num_expected) - mt_emit_event(td, field->hidinput->input); + mt_sync_frame(td, field->hidinput->input); } @@ -685,6 +647,35 @@ static void mt_post_parse(struct mt_device *td) } } +static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi) + +{ + struct mt_device *td = hid_get_drvdata(hdev); + struct mt_class *cls = &td->mtclass; + struct input_dev *input = hi->input; + + /* Only initialize slots for MT input devices */ + if (!test_bit(ABS_MT_POSITION_X, input->absbit)) + return; + + if (!td->maxcontacts) + td->maxcontacts = MT_DEFAULT_MAXCONTACT; + + mt_post_parse(td); + if (td->serial_maybe) + mt_post_parse_default_settings(td); + + if (cls->is_indirect) + td->mt_flags |= INPUT_MT_POINTER; + + if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) + td->mt_flags |= INPUT_MT_DROP_UNUSED; + + input_mt_init_slots(input, td->maxcontacts, td->mt_flags); + + td->mt_flags = 0; +} + static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) { int ret, i; @@ -722,6 +713,9 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) goto fail; } + if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) + td->serial_maybe = true; + ret = hid_parse(hdev); if (ret != 0) goto fail; @@ -730,20 +724,6 @@ static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) if (ret) goto fail; - mt_post_parse(td); - - if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) - mt_post_parse_default_settings(td); - - td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot), - GFP_KERNEL); - if (!td->slots) { - dev_err(&hdev->dev, "cannot allocate multitouch slots\n"); - hid_hw_stop(hdev); - ret = -ENOMEM; - goto fail; - } - ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); mt_set_maxcontacts(hdev); @@ -774,7 +754,6 @@ static void mt_remove(struct hid_device *hdev) struct mt_device *td = hid_get_drvdata(hdev); sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); hid_hw_stop(hdev); - kfree(td->slots); kfree(td); hid_set_drvdata(hdev, NULL); } @@ -892,6 +871,11 @@ static const struct hid_device_id mt_devices[] = { MT_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) }, + /* Flatfrog Panels */ + { .driver_data = MT_CLS_FLATFROG, + MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, + USB_DEVICE_ID_MULTITOUCH_3200) }, + /* GeneralTouch panel */ { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, @@ -1087,6 +1071,7 @@ static struct hid_driver mt_driver = { .remove = mt_remove, .input_mapping = mt_input_mapping, .input_mapped = mt_input_mapped, + .input_configured = mt_input_configured, .feature_mapping = mt_feature_mapping, .usage_table = mt_grabbed_usages, .event = mt_event, diff --git a/drivers/hid/hid-picolcd.c b/drivers/hid/hid-picolcd.c deleted file mode 100644 index 27c8ebdfad01..000000000000 --- a/drivers/hid/hid-picolcd.c +++ /dev/null @@ -1,2748 +0,0 @@ -/*************************************************************************** - * Copyright (C) 2010 by Bruno Prémont <bonbons@linux-vserver.org> * - * * - * Based on Logitech G13 driver (v0.4) * - * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * - * * - * This program is free software: you can redistribute it and/or modify * - * it under the terms of the GNU General Public License as published by * - * the Free Software Foundation, version 2 of the License. * - * * - * This driver is distributed in the hope that it will be useful, but * - * WITHOUT ANY WARRANTY; without even the implied warranty of * - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * - * General Public License for more details. * - * * - * You should have received a copy of the GNU General Public License * - * along with this software. If not see <http://www.gnu.org/licenses/>. * - ***************************************************************************/ - -#include <linux/hid.h> -#include <linux/hid-debug.h> -#include <linux/input.h> -#include "hid-ids.h" -#include "usbhid/usbhid.h" -#include <linux/usb.h> - -#include <linux/fb.h> -#include <linux/vmalloc.h> -#include <linux/backlight.h> -#include <linux/lcd.h> - -#include <linux/leds.h> - -#include <linux/seq_file.h> -#include <linux/debugfs.h> - -#include <linux/completion.h> -#include <linux/uaccess.h> -#include <linux/module.h> - -#define PICOLCD_NAME "PicoLCD (graphic)" - -/* Report numbers */ -#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */ -#define ERR_SUCCESS 0x00 -#define ERR_PARAMETER_MISSING 0x01 -#define ERR_DATA_MISSING 0x02 -#define ERR_BLOCK_READ_ONLY 0x03 -#define ERR_BLOCK_NOT_ERASABLE 0x04 -#define ERR_BLOCK_TOO_BIG 0x05 -#define ERR_SECTION_OVERFLOW 0x06 -#define ERR_INVALID_CMD_LEN 0x07 -#define ERR_INVALID_DATA_LEN 0x08 -#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */ -#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */ -#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */ -#define REPORT_MEMORY 0x41 /* LCD: IN[63] */ -#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */ -#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */ -#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */ -#define REPORT_RESET 0x93 /* LCD: OUT[2] */ -#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */ -#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */ -#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */ -#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */ -#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */ -#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */ -#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */ -#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */ -#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */ -#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */ -#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */ -#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */ -#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */ -#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */ -#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */ -#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */ -#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */ -#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */ - -#ifdef CONFIG_HID_PICOLCD_FB -/* Framebuffer - * - * The PicoLCD use a Topway LCD module of 256x64 pixel - * This display area is tiled over 4 controllers with 8 tiles - * each. Each tile has 8x64 pixel, each data byte representing - * a 1-bit wide vertical line of the tile. - * - * The display can be updated at a tile granularity. - * - * Chip 1 Chip 2 Chip 3 Chip 4 - * +----------------+----------------+----------------+----------------+ - * | Tile 1 | Tile 1 | Tile 1 | Tile 1 | - * +----------------+----------------+----------------+----------------+ - * | Tile 2 | Tile 2 | Tile 2 | Tile 2 | - * +----------------+----------------+----------------+----------------+ - * ... - * +----------------+----------------+----------------+----------------+ - * | Tile 8 | Tile 8 | Tile 8 | Tile 8 | - * +----------------+----------------+----------------+----------------+ - */ -#define PICOLCDFB_NAME "picolcdfb" -#define PICOLCDFB_WIDTH (256) -#define PICOLCDFB_HEIGHT (64) -#define PICOLCDFB_SIZE (PICOLCDFB_WIDTH * PICOLCDFB_HEIGHT / 8) - -#define PICOLCDFB_UPDATE_RATE_LIMIT 10 -#define PICOLCDFB_UPDATE_RATE_DEFAULT 2 - -/* Framebuffer visual structures */ -static const struct fb_fix_screeninfo picolcdfb_fix = { - .id = PICOLCDFB_NAME, - .type = FB_TYPE_PACKED_PIXELS, - .visual = FB_VISUAL_MONO01, - .xpanstep = 0, - .ypanstep = 0, - .ywrapstep = 0, - .line_length = PICOLCDFB_WIDTH / 8, - .accel = FB_ACCEL_NONE, -}; - -static const struct fb_var_screeninfo picolcdfb_var = { - .xres = PICOLCDFB_WIDTH, - .yres = PICOLCDFB_HEIGHT, - .xres_virtual = PICOLCDFB_WIDTH, - .yres_virtual = PICOLCDFB_HEIGHT, - .width = 103, - .height = 26, - .bits_per_pixel = 1, - .grayscale = 1, - .red = { - .offset = 0, - .length = 1, - .msb_right = 0, - }, - .green = { - .offset = 0, - .length = 1, - .msb_right = 0, - }, - .blue = { - .offset = 0, - .length = 1, - .msb_right = 0, - }, - .transp = { - .offset = 0, - .length = 0, - .msb_right = 0, - }, -}; -#endif /* CONFIG_HID_PICOLCD_FB */ - -/* Input device - * - * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys - * and header for 4x4 key matrix. The built-in keys are part of the matrix. - */ -static const unsigned short def_keymap[] = { - KEY_RESERVED, /* none */ - KEY_BACK, /* col 4 + row 1 */ - KEY_HOMEPAGE, /* col 3 + row 1 */ - KEY_RESERVED, /* col 2 + row 1 */ - KEY_RESERVED, /* col 1 + row 1 */ - KEY_SCROLLUP, /* col 4 + row 2 */ - KEY_OK, /* col 3 + row 2 */ - KEY_SCROLLDOWN, /* col 2 + row 2 */ - KEY_RESERVED, /* col 1 + row 2 */ - KEY_RESERVED, /* col 4 + row 3 */ - KEY_RESERVED, /* col 3 + row 3 */ - KEY_RESERVED, /* col 2 + row 3 */ - KEY_RESERVED, /* col 1 + row 3 */ - KEY_RESERVED, /* col 4 + row 4 */ - KEY_RESERVED, /* col 3 + row 4 */ - KEY_RESERVED, /* col 2 + row 4 */ - KEY_RESERVED, /* col 1 + row 4 */ -}; -#define PICOLCD_KEYS ARRAY_SIZE(def_keymap) - -/* Description of in-progress IO operation, used for operations - * that trigger response from device */ -struct picolcd_pending { - struct hid_report *out_report; - struct hid_report *in_report; - struct completion ready; - int raw_size; - u8 raw_data[64]; -}; - -/* Per device data structure */ -struct picolcd_data { - struct hid_device *hdev; -#ifdef CONFIG_DEBUG_FS - struct dentry *debug_reset; - struct dentry *debug_eeprom; - struct dentry *debug_flash; - struct mutex mutex_flash; - int addr_sz; -#endif - u8 version[2]; - unsigned short opmode_delay; - /* input stuff */ - u8 pressed_keys[2]; - struct input_dev *input_keys; - struct input_dev *input_cir; - unsigned short keycode[PICOLCD_KEYS]; - -#ifdef CONFIG_HID_PICOLCD_FB - /* Framebuffer stuff */ - u8 fb_update_rate; - u8 fb_bpp; - u8 fb_force; - u8 *fb_vbitmap; /* local copy of what was sent to PicoLCD */ - u8 *fb_bitmap; /* framebuffer */ - struct fb_info *fb_info; - struct fb_deferred_io fb_defio; -#endif /* CONFIG_HID_PICOLCD_FB */ -#ifdef CONFIG_HID_PICOLCD_LCD - struct lcd_device *lcd; - u8 lcd_contrast; -#endif /* CONFIG_HID_PICOLCD_LCD */ -#ifdef CONFIG_HID_PICOLCD_BACKLIGHT - struct backlight_device *backlight; - u8 lcd_brightness; - u8 lcd_power; -#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ -#ifdef CONFIG_HID_PICOLCD_LEDS - /* LED stuff */ - u8 led_state; - struct led_classdev *led[8]; -#endif /* CONFIG_HID_PICOLCD_LEDS */ - - /* Housekeeping stuff */ - spinlock_t lock; - struct mutex mutex; - struct picolcd_pending *pending; - int status; -#define PICOLCD_BOOTLOADER 1 -#define PICOLCD_FAILED 2 -#define PICOLCD_READY_FB 4 -}; - - -/* Find a given report */ -#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT) -#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT) - -static struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir) -{ - struct list_head *feature_report_list = &hdev->report_enum[dir].report_list; - struct hid_report *report = NULL; - - list_for_each_entry(report, feature_report_list, list) { - if (report->id == id) - return report; - } - hid_warn(hdev, "No report with id 0x%x found\n", id); - return NULL; -} - -#ifdef CONFIG_DEBUG_FS -static void picolcd_debug_out_report(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report); -#define usbhid_submit_report(a, b, c) \ - do { \ - picolcd_debug_out_report(hid_get_drvdata(a), a, b); \ - usbhid_submit_report(a, b, c); \ - } while (0) -#endif - -/* Submit a report and wait for a reply from device - if device fades away - * or does not respond in time, return NULL */ -static struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev, - int report_id, const u8 *raw_data, int size) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct picolcd_pending *work; - struct hid_report *report = picolcd_out_report(report_id, hdev); - unsigned long flags; - int i, j, k; - - if (!report || !data) - return NULL; - if (data->status & PICOLCD_FAILED) - return NULL; - work = kzalloc(sizeof(*work), GFP_KERNEL); - if (!work) - return NULL; - - init_completion(&work->ready); - work->out_report = report; - work->in_report = NULL; - work->raw_size = 0; - - mutex_lock(&data->mutex); - spin_lock_irqsave(&data->lock, flags); - for (i = k = 0; i < report->maxfield; i++) - for (j = 0; j < report->field[i]->report_count; j++) { - hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0); - k++; - } - data->pending = work; - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - wait_for_completion_interruptible_timeout(&work->ready, HZ*2); - spin_lock_irqsave(&data->lock, flags); - data->pending = NULL; - spin_unlock_irqrestore(&data->lock, flags); - mutex_unlock(&data->mutex); - return work; -} - -#ifdef CONFIG_HID_PICOLCD_FB -/* Send a given tile to PicoLCD */ -static int picolcd_fb_send_tile(struct hid_device *hdev, int chip, int tile) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct hid_report *report1 = picolcd_out_report(REPORT_LCD_CMD_DATA, hdev); - struct hid_report *report2 = picolcd_out_report(REPORT_LCD_DATA, hdev); - unsigned long flags; - u8 *tdata; - int i; - - if (!report1 || report1->maxfield != 1 || !report2 || report2->maxfield != 1) - return -ENODEV; - - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report1->field[0], 0, chip << 2); - hid_set_field(report1->field[0], 1, 0x02); - hid_set_field(report1->field[0], 2, 0x00); - hid_set_field(report1->field[0], 3, 0x00); - hid_set_field(report1->field[0], 4, 0xb8 | tile); - hid_set_field(report1->field[0], 5, 0x00); - hid_set_field(report1->field[0], 6, 0x00); - hid_set_field(report1->field[0], 7, 0x40); - hid_set_field(report1->field[0], 8, 0x00); - hid_set_field(report1->field[0], 9, 0x00); - hid_set_field(report1->field[0], 10, 32); - - hid_set_field(report2->field[0], 0, (chip << 2) | 0x01); - hid_set_field(report2->field[0], 1, 0x00); - hid_set_field(report2->field[0], 2, 0x00); - hid_set_field(report2->field[0], 3, 32); - - tdata = data->fb_vbitmap + (tile * 4 + chip) * 64; - for (i = 0; i < 64; i++) - if (i < 32) - hid_set_field(report1->field[0], 11 + i, tdata[i]); - else - hid_set_field(report2->field[0], 4 + i - 32, tdata[i]); - - usbhid_submit_report(data->hdev, report1, USB_DIR_OUT); - usbhid_submit_report(data->hdev, report2, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return 0; -} - -/* Translate a single tile*/ -static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp, - int chip, int tile) -{ - int i, b, changed = 0; - u8 tdata[64]; - u8 *vdata = vbitmap + (tile * 4 + chip) * 64; - - if (bpp == 1) { - for (b = 7; b >= 0; b--) { - const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32; - for (i = 0; i < 64; i++) { - tdata[i] <<= 1; - tdata[i] |= (bdata[i/8] >> (i % 8)) & 0x01; - } - } - } else if (bpp == 8) { - for (b = 7; b >= 0; b--) { - const u8 *bdata = bitmap + (tile * 256 + chip * 8 + b * 32) * 8; - for (i = 0; i < 64; i++) { - tdata[i] <<= 1; - tdata[i] |= (bdata[i] & 0x80) ? 0x01 : 0x00; - } - } - } else { - /* Oops, we should never get here! */ - WARN_ON(1); - return 0; - } - - for (i = 0; i < 64; i++) - if (tdata[i] != vdata[i]) { - changed = 1; - vdata[i] = tdata[i]; - } - return changed; -} - -/* Reconfigure LCD display */ -static int picolcd_fb_reset(struct picolcd_data *data, int clear) -{ - struct hid_report *report = picolcd_out_report(REPORT_LCD_CMD, data->hdev); - int i, j; - unsigned long flags; - static const u8 mapcmd[8] = { 0x00, 0x02, 0x00, 0x64, 0x3f, 0x00, 0x64, 0xc0 }; - - if (!report || report->maxfield != 1) - return -ENODEV; - - spin_lock_irqsave(&data->lock, flags); - for (i = 0; i < 4; i++) { - for (j = 0; j < report->field[0]->maxusage; j++) - if (j == 0) - hid_set_field(report->field[0], j, i << 2); - else if (j < sizeof(mapcmd)) - hid_set_field(report->field[0], j, mapcmd[j]); - else - hid_set_field(report->field[0], j, 0); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - } - - data->status |= PICOLCD_READY_FB; - spin_unlock_irqrestore(&data->lock, flags); - - if (data->fb_bitmap) { - if (clear) { - memset(data->fb_vbitmap, 0, PICOLCDFB_SIZE); - memset(data->fb_bitmap, 0, PICOLCDFB_SIZE*data->fb_bpp); - } - data->fb_force = 1; - } - - /* schedule first output of framebuffer */ - if (data->fb_info) - schedule_delayed_work(&data->fb_info->deferred_work, 0); - - return 0; -} - -/* Update fb_vbitmap from the screen_base and send changed tiles to device */ -static void picolcd_fb_update(struct picolcd_data *data) -{ - int chip, tile, n; - unsigned long flags; - - if (!data) - return; - - spin_lock_irqsave(&data->lock, flags); - if (!(data->status & PICOLCD_READY_FB)) { - spin_unlock_irqrestore(&data->lock, flags); - picolcd_fb_reset(data, 0); - } else { - spin_unlock_irqrestore(&data->lock, flags); - } - - /* - * Translate the framebuffer into the format needed by the PicoLCD. - * See display layout above. - * Do this one tile after the other and push those tiles that changed. - * - * Wait for our IO to complete as otherwise we might flood the queue! - */ - n = 0; - for (chip = 0; chip < 4; chip++) - for (tile = 0; tile < 8; tile++) - if (picolcd_fb_update_tile(data->fb_vbitmap, - data->fb_bitmap, data->fb_bpp, chip, tile) || - data->fb_force) { - n += 2; - if (!data->fb_info->par) - return; /* device lost! */ - if (n >= HID_OUTPUT_FIFO_SIZE / 2) { - usbhid_wait_io(data->hdev); - n = 0; - } - picolcd_fb_send_tile(data->hdev, chip, tile); - } - data->fb_force = false; - if (n) - usbhid_wait_io(data->hdev); -} - -/* Stub to call the system default and update the image on the picoLCD */ -static void picolcd_fb_fillrect(struct fb_info *info, - const struct fb_fillrect *rect) -{ - if (!info->par) - return; - sys_fillrect(info, rect); - - schedule_delayed_work(&info->deferred_work, 0); -} - -/* Stub to call the system default and update the image on the picoLCD */ -static void picolcd_fb_copyarea(struct fb_info *info, - const struct fb_copyarea *area) -{ - if (!info->par) - return; - sys_copyarea(info, area); - - schedule_delayed_work(&info->deferred_work, 0); -} - -/* Stub to call the system default and update the image on the picoLCD */ -static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image) -{ - if (!info->par) - return; - sys_imageblit(info, image); - - schedule_delayed_work(&info->deferred_work, 0); -} - -/* - * this is the slow path from userspace. they can seek and write to - * the fb. it's inefficient to do anything less than a full screen draw - */ -static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf, - size_t count, loff_t *ppos) -{ - ssize_t ret; - if (!info->par) - return -ENODEV; - ret = fb_sys_write(info, buf, count, ppos); - if (ret >= 0) - schedule_delayed_work(&info->deferred_work, 0); - return ret; -} - -static int picolcd_fb_blank(int blank, struct fb_info *info) -{ - if (!info->par) - return -ENODEV; - /* We let fb notification do this for us via lcd/backlight device */ - return 0; -} - -static void picolcd_fb_destroy(struct fb_info *info) -{ - struct picolcd_data *data = info->par; - u32 *ref_cnt = info->pseudo_palette; - int may_release; - - info->par = NULL; - if (data) - data->fb_info = NULL; - fb_deferred_io_cleanup(info); - - ref_cnt--; - mutex_lock(&info->lock); - (*ref_cnt)--; - may_release = !*ref_cnt; - mutex_unlock(&info->lock); - if (may_release) { - vfree((u8 *)info->fix.smem_start); - framebuffer_release(info); - } -} - -static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) -{ - __u32 bpp = var->bits_per_pixel; - __u32 activate = var->activate; - - /* only allow 1/8 bit depth (8-bit is grayscale) */ - *var = picolcdfb_var; - var->activate = activate; - if (bpp >= 8) { - var->bits_per_pixel = 8; - var->red.length = 8; - var->green.length = 8; - var->blue.length = 8; - } else { - var->bits_per_pixel = 1; - var->red.length = 1; - var->green.length = 1; - var->blue.length = 1; - } - return 0; -} - -static int picolcd_set_par(struct fb_info *info) -{ - struct picolcd_data *data = info->par; - u8 *tmp_fb, *o_fb; - if (!data) - return -ENODEV; - if (info->var.bits_per_pixel == data->fb_bpp) - return 0; - /* switch between 1/8 bit depths */ - if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8) - return -EINVAL; - - o_fb = data->fb_bitmap; - tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL); - if (!tmp_fb) - return -ENOMEM; - - /* translate FB content to new bits-per-pixel */ - if (info->var.bits_per_pixel == 1) { - int i, b; - for (i = 0; i < PICOLCDFB_SIZE; i++) { - u8 p = 0; - for (b = 0; b < 8; b++) { - p <<= 1; - p |= o_fb[i*8+b] ? 0x01 : 0x00; - } - tmp_fb[i] = p; - } - memcpy(o_fb, tmp_fb, PICOLCDFB_SIZE); - info->fix.visual = FB_VISUAL_MONO01; - info->fix.line_length = PICOLCDFB_WIDTH / 8; - } else { - int i; - memcpy(tmp_fb, o_fb, PICOLCDFB_SIZE); - for (i = 0; i < PICOLCDFB_SIZE * 8; i++) - o_fb[i] = tmp_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00; - info->fix.visual = FB_VISUAL_DIRECTCOLOR; - info->fix.line_length = PICOLCDFB_WIDTH; - } - - kfree(tmp_fb); - data->fb_bpp = info->var.bits_per_pixel; - return 0; -} - -/* Do refcounting on our FB and cleanup per worker if FB is - * closed after unplug of our device - * (fb_release holds info->lock and still touches info after - * we return so we can't release it immediately. - */ -struct picolcd_fb_cleanup_item { - struct fb_info *info; - struct picolcd_fb_cleanup_item *next; -}; -static struct picolcd_fb_cleanup_item *fb_pending; -static DEFINE_SPINLOCK(fb_pending_lock); - -static void picolcd_fb_do_cleanup(struct work_struct *data) -{ - struct picolcd_fb_cleanup_item *item; - unsigned long flags; - - do { - spin_lock_irqsave(&fb_pending_lock, flags); - item = fb_pending; - fb_pending = item ? item->next : NULL; - spin_unlock_irqrestore(&fb_pending_lock, flags); - - if (item) { - u8 *fb = (u8 *)item->info->fix.smem_start; - /* make sure we do not race against fb core when - * releasing */ - mutex_lock(&item->info->lock); - mutex_unlock(&item->info->lock); - framebuffer_release(item->info); - vfree(fb); - } - } while (item); -} - -static DECLARE_WORK(picolcd_fb_cleanup, picolcd_fb_do_cleanup); - -static int picolcd_fb_open(struct fb_info *info, int u) -{ - u32 *ref_cnt = info->pseudo_palette; - ref_cnt--; - - (*ref_cnt)++; - return 0; -} - -static int picolcd_fb_release(struct fb_info *info, int u) -{ - u32 *ref_cnt = info->pseudo_palette; - ref_cnt--; - - (*ref_cnt)++; - if (!*ref_cnt) { - unsigned long flags; - struct picolcd_fb_cleanup_item *item = (struct picolcd_fb_cleanup_item *)ref_cnt; - item--; - spin_lock_irqsave(&fb_pending_lock, flags); - item->next = fb_pending; - fb_pending = item; - spin_unlock_irqrestore(&fb_pending_lock, flags); - schedule_work(&picolcd_fb_cleanup); - } - return 0; -} - -/* Note this can't be const because of struct fb_info definition */ -static struct fb_ops picolcdfb_ops = { - .owner = THIS_MODULE, - .fb_destroy = picolcd_fb_destroy, - .fb_open = picolcd_fb_open, - .fb_release = picolcd_fb_release, - .fb_read = fb_sys_read, - .fb_write = picolcd_fb_write, - .fb_blank = picolcd_fb_blank, - .fb_fillrect = picolcd_fb_fillrect, - .fb_copyarea = picolcd_fb_copyarea, - .fb_imageblit = picolcd_fb_imageblit, - .fb_check_var = picolcd_fb_check_var, - .fb_set_par = picolcd_set_par, -}; - - -/* Callback from deferred IO workqueue */ -static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist) -{ - picolcd_fb_update(info->par); -} - -static const struct fb_deferred_io picolcd_fb_defio = { - .delay = HZ / PICOLCDFB_UPDATE_RATE_DEFAULT, - .deferred_io = picolcd_fb_deferred_io, -}; - - -/* - * The "fb_update_rate" sysfs attribute - */ -static ssize_t picolcd_fb_update_rate_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - unsigned i, fb_update_rate = data->fb_update_rate; - size_t ret = 0; - - for (i = 1; i <= PICOLCDFB_UPDATE_RATE_LIMIT; i++) - if (ret >= PAGE_SIZE) - break; - else if (i == fb_update_rate) - ret += snprintf(buf+ret, PAGE_SIZE-ret, "[%u] ", i); - else - ret += snprintf(buf+ret, PAGE_SIZE-ret, "%u ", i); - if (ret > 0) - buf[min(ret, (size_t)PAGE_SIZE)-1] = '\n'; - return ret; -} - -static ssize_t picolcd_fb_update_rate_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - int i; - unsigned u; - - if (count < 1 || count > 10) - return -EINVAL; - - i = sscanf(buf, "%u", &u); - if (i != 1) - return -EINVAL; - - if (u > PICOLCDFB_UPDATE_RATE_LIMIT) - return -ERANGE; - else if (u == 0) - u = PICOLCDFB_UPDATE_RATE_DEFAULT; - - data->fb_update_rate = u; - data->fb_defio.delay = HZ / data->fb_update_rate; - return count; -} - -static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show, - picolcd_fb_update_rate_store); - -/* initialize Framebuffer device */ -static int picolcd_init_framebuffer(struct picolcd_data *data) -{ - struct device *dev = &data->hdev->dev; - struct fb_info *info = NULL; - int i, error = -ENOMEM; - u8 *fb_vbitmap = NULL; - u8 *fb_bitmap = NULL; - u32 *palette; - - fb_bitmap = vmalloc(PICOLCDFB_SIZE*8); - if (fb_bitmap == NULL) { - dev_err(dev, "can't get a free page for framebuffer\n"); - goto err_nomem; - } - - fb_vbitmap = kmalloc(PICOLCDFB_SIZE, GFP_KERNEL); - if (fb_vbitmap == NULL) { - dev_err(dev, "can't alloc vbitmap image buffer\n"); - goto err_nomem; - } - - data->fb_update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT; - data->fb_defio = picolcd_fb_defio; - /* The extra memory is: - * - struct picolcd_fb_cleanup_item - * - u32 for ref_count - * - 256*u32 for pseudo_palette - */ - info = framebuffer_alloc(257 * sizeof(u32) + sizeof(struct picolcd_fb_cleanup_item), dev); - if (info == NULL) { - dev_err(dev, "failed to allocate a framebuffer\n"); - goto err_nomem; - } - - palette = info->par + sizeof(struct picolcd_fb_cleanup_item); - *palette = 1; - palette++; - for (i = 0; i < 256; i++) - palette[i] = i > 0 && i < 16 ? 0xff : 0; - info->pseudo_palette = palette; - info->fbdefio = &data->fb_defio; - info->screen_base = (char __force __iomem *)fb_bitmap; - info->fbops = &picolcdfb_ops; - info->var = picolcdfb_var; - info->fix = picolcdfb_fix; - info->fix.smem_len = PICOLCDFB_SIZE*8; - info->fix.smem_start = (unsigned long)fb_bitmap; - info->par = data; - info->flags = FBINFO_FLAG_DEFAULT; - - data->fb_vbitmap = fb_vbitmap; - data->fb_bitmap = fb_bitmap; - data->fb_bpp = picolcdfb_var.bits_per_pixel; - error = picolcd_fb_reset(data, 1); - if (error) { - dev_err(dev, "failed to configure display\n"); - goto err_cleanup; - } - error = device_create_file(dev, &dev_attr_fb_update_rate); - if (error) { - dev_err(dev, "failed to create sysfs attributes\n"); - goto err_cleanup; - } - fb_deferred_io_init(info); - data->fb_info = info; - error = register_framebuffer(info); - if (error) { - dev_err(dev, "failed to register framebuffer\n"); - goto err_sysfs; - } - /* schedule first output of framebuffer */ - data->fb_force = 1; - schedule_delayed_work(&info->deferred_work, 0); - return 0; - -err_sysfs: - fb_deferred_io_cleanup(info); - device_remove_file(dev, &dev_attr_fb_update_rate); -err_cleanup: - data->fb_vbitmap = NULL; - data->fb_bitmap = NULL; - data->fb_bpp = 0; - data->fb_info = NULL; - -err_nomem: - framebuffer_release(info); - vfree(fb_bitmap); - kfree(fb_vbitmap); - return error; -} - -static void picolcd_exit_framebuffer(struct picolcd_data *data) -{ - struct fb_info *info = data->fb_info; - u8 *fb_vbitmap = data->fb_vbitmap; - - if (!info) - return; - - info->par = NULL; - device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate); - unregister_framebuffer(info); - data->fb_vbitmap = NULL; - data->fb_bitmap = NULL; - data->fb_bpp = 0; - data->fb_info = NULL; - kfree(fb_vbitmap); -} - -#define picolcd_fbinfo(d) ((d)->fb_info) -#else -static inline int picolcd_fb_reset(struct picolcd_data *data, int clear) -{ - return 0; -} -static inline int picolcd_init_framebuffer(struct picolcd_data *data) -{ - return 0; -} -static inline void picolcd_exit_framebuffer(struct picolcd_data *data) -{ -} -#define picolcd_fbinfo(d) NULL -#endif /* CONFIG_HID_PICOLCD_FB */ - -#ifdef CONFIG_HID_PICOLCD_BACKLIGHT -/* - * backlight class device - */ -static int picolcd_get_brightness(struct backlight_device *bdev) -{ - struct picolcd_data *data = bl_get_data(bdev); - return data->lcd_brightness; -} - -static int picolcd_set_brightness(struct backlight_device *bdev) -{ - struct picolcd_data *data = bl_get_data(bdev); - struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev); - unsigned long flags; - - if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) - return -ENODEV; - - data->lcd_brightness = bdev->props.brightness & 0x0ff; - data->lcd_power = bdev->props.power; - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return 0; -} - -static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb) -{ - return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev)); -} - -static const struct backlight_ops picolcd_blops = { - .update_status = picolcd_set_brightness, - .get_brightness = picolcd_get_brightness, - .check_fb = picolcd_check_bl_fb, -}; - -static int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report) -{ - struct device *dev = &data->hdev->dev; - struct backlight_device *bdev; - struct backlight_properties props; - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 1 || - report->field[0]->report_size != 8) { - dev_err(dev, "unsupported BRIGHTNESS report"); - return -EINVAL; - } - - memset(&props, 0, sizeof(props)); - props.type = BACKLIGHT_RAW; - props.max_brightness = 0xff; - bdev = backlight_device_register(dev_name(dev), dev, data, - &picolcd_blops, &props); - if (IS_ERR(bdev)) { - dev_err(dev, "failed to register backlight\n"); - return PTR_ERR(bdev); - } - bdev->props.brightness = 0xff; - data->lcd_brightness = 0xff; - data->backlight = bdev; - picolcd_set_brightness(bdev); - return 0; -} - -static void picolcd_exit_backlight(struct picolcd_data *data) -{ - struct backlight_device *bdev = data->backlight; - - data->backlight = NULL; - if (bdev) - backlight_device_unregister(bdev); -} - -static inline int picolcd_resume_backlight(struct picolcd_data *data) -{ - if (!data->backlight) - return 0; - return picolcd_set_brightness(data->backlight); -} - -#ifdef CONFIG_PM -static void picolcd_suspend_backlight(struct picolcd_data *data) -{ - int bl_power = data->lcd_power; - if (!data->backlight) - return; - - data->backlight->props.power = FB_BLANK_POWERDOWN; - picolcd_set_brightness(data->backlight); - data->lcd_power = data->backlight->props.power = bl_power; -} -#endif /* CONFIG_PM */ -#else -static inline int picolcd_init_backlight(struct picolcd_data *data, - struct hid_report *report) -{ - return 0; -} -static inline void picolcd_exit_backlight(struct picolcd_data *data) -{ -} -static inline int picolcd_resume_backlight(struct picolcd_data *data) -{ - return 0; -} -static inline void picolcd_suspend_backlight(struct picolcd_data *data) -{ -} -#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ - -#ifdef CONFIG_HID_PICOLCD_LCD -/* - * lcd class device - */ -static int picolcd_get_contrast(struct lcd_device *ldev) -{ - struct picolcd_data *data = lcd_get_data(ldev); - return data->lcd_contrast; -} - -static int picolcd_set_contrast(struct lcd_device *ldev, int contrast) -{ - struct picolcd_data *data = lcd_get_data(ldev); - struct hid_report *report = picolcd_out_report(REPORT_CONTRAST, data->hdev); - unsigned long flags; - - if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) - return -ENODEV; - - data->lcd_contrast = contrast & 0x0ff; - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, data->lcd_contrast); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return 0; -} - -static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb) -{ - return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev)); -} - -static struct lcd_ops picolcd_lcdops = { - .get_contrast = picolcd_get_contrast, - .set_contrast = picolcd_set_contrast, - .check_fb = picolcd_check_lcd_fb, -}; - -static int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report) -{ - struct device *dev = &data->hdev->dev; - struct lcd_device *ldev; - - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 1 || - report->field[0]->report_size != 8) { - dev_err(dev, "unsupported CONTRAST report"); - return -EINVAL; - } - - ldev = lcd_device_register(dev_name(dev), dev, data, &picolcd_lcdops); - if (IS_ERR(ldev)) { - dev_err(dev, "failed to register LCD\n"); - return PTR_ERR(ldev); - } - ldev->props.max_contrast = 0x0ff; - data->lcd_contrast = 0xe5; - data->lcd = ldev; - picolcd_set_contrast(ldev, 0xe5); - return 0; -} - -static void picolcd_exit_lcd(struct picolcd_data *data) -{ - struct lcd_device *ldev = data->lcd; - - data->lcd = NULL; - if (ldev) - lcd_device_unregister(ldev); -} - -static inline int picolcd_resume_lcd(struct picolcd_data *data) -{ - if (!data->lcd) - return 0; - return picolcd_set_contrast(data->lcd, data->lcd_contrast); -} -#else -static inline int picolcd_init_lcd(struct picolcd_data *data, - struct hid_report *report) -{ - return 0; -} -static inline void picolcd_exit_lcd(struct picolcd_data *data) -{ -} -static inline int picolcd_resume_lcd(struct picolcd_data *data) -{ - return 0; -} -#endif /* CONFIG_HID_PICOLCD_LCD */ - -#ifdef CONFIG_HID_PICOLCD_LEDS -/** - * LED class device - */ -static void picolcd_leds_set(struct picolcd_data *data) -{ - struct hid_report *report; - unsigned long flags; - - if (!data->led[0]) - return; - report = picolcd_out_report(REPORT_LED_STATE, data->hdev); - if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) - return; - - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, data->led_state); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); -} - -static void picolcd_led_set_brightness(struct led_classdev *led_cdev, - enum led_brightness value) -{ - struct device *dev; - struct hid_device *hdev; - struct picolcd_data *data; - int i, state = 0; - - dev = led_cdev->dev->parent; - hdev = container_of(dev, struct hid_device, dev); - data = hid_get_drvdata(hdev); - for (i = 0; i < 8; i++) { - if (led_cdev != data->led[i]) - continue; - state = (data->led_state >> i) & 1; - if (value == LED_OFF && state) { - data->led_state &= ~(1 << i); - picolcd_leds_set(data); - } else if (value != LED_OFF && !state) { - data->led_state |= 1 << i; - picolcd_leds_set(data); - } - break; - } -} - -static enum led_brightness picolcd_led_get_brightness(struct led_classdev *led_cdev) -{ - struct device *dev; - struct hid_device *hdev; - struct picolcd_data *data; - int i, value = 0; - - dev = led_cdev->dev->parent; - hdev = container_of(dev, struct hid_device, dev); - data = hid_get_drvdata(hdev); - for (i = 0; i < 8; i++) - if (led_cdev == data->led[i]) { - value = (data->led_state >> i) & 1; - break; - } - return value ? LED_FULL : LED_OFF; -} - -static int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report) -{ - struct device *dev = &data->hdev->dev; - struct led_classdev *led; - size_t name_sz = strlen(dev_name(dev)) + 8; - char *name; - int i, ret = 0; - - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 1 || - report->field[0]->report_size != 8) { - dev_err(dev, "unsupported LED_STATE report"); - return -EINVAL; - } - - for (i = 0; i < 8; i++) { - led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); - if (!led) { - dev_err(dev, "can't allocate memory for LED %d\n", i); - ret = -ENOMEM; - goto err; - } - name = (void *)(&led[1]); - snprintf(name, name_sz, "%s::GPO%d", dev_name(dev), i); - led->name = name; - led->brightness = 0; - led->max_brightness = 1; - led->brightness_get = picolcd_led_get_brightness; - led->brightness_set = picolcd_led_set_brightness; - - data->led[i] = led; - ret = led_classdev_register(dev, data->led[i]); - if (ret) { - data->led[i] = NULL; - kfree(led); - dev_err(dev, "can't register LED %d\n", i); - goto err; - } - } - return 0; -err: - for (i = 0; i < 8; i++) - if (data->led[i]) { - led = data->led[i]; - data->led[i] = NULL; - led_classdev_unregister(led); - kfree(led); - } - return ret; -} - -static void picolcd_exit_leds(struct picolcd_data *data) -{ - struct led_classdev *led; - int i; - - for (i = 0; i < 8; i++) { - led = data->led[i]; - data->led[i] = NULL; - if (!led) - continue; - led_classdev_unregister(led); - kfree(led); - } -} - -#else -static inline int picolcd_init_leds(struct picolcd_data *data, - struct hid_report *report) -{ - return 0; -} -static inline void picolcd_exit_leds(struct picolcd_data *data) -{ -} -static inline int picolcd_leds_set(struct picolcd_data *data) -{ - return 0; -} -#endif /* CONFIG_HID_PICOLCD_LEDS */ - -/* - * input class device - */ -static int picolcd_raw_keypad(struct picolcd_data *data, - struct hid_report *report, u8 *raw_data, int size) -{ - /* - * Keypad event - * First and second data bytes list currently pressed keys, - * 0x00 means no key and at most 2 keys may be pressed at same time - */ - int i, j; - - /* determine newly pressed keys */ - for (i = 0; i < size; i++) { - unsigned int key_code; - if (raw_data[i] == 0) - continue; - for (j = 0; j < sizeof(data->pressed_keys); j++) - if (data->pressed_keys[j] == raw_data[i]) - goto key_already_down; - for (j = 0; j < sizeof(data->pressed_keys); j++) - if (data->pressed_keys[j] == 0) { - data->pressed_keys[j] = raw_data[i]; - break; - } - input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]); - if (raw_data[i] < PICOLCD_KEYS) - key_code = data->keycode[raw_data[i]]; - else - key_code = KEY_UNKNOWN; - if (key_code != KEY_UNKNOWN) { - dbg_hid(PICOLCD_NAME " got key press for %u:%d", - raw_data[i], key_code); - input_report_key(data->input_keys, key_code, 1); - } - input_sync(data->input_keys); -key_already_down: - continue; - } - - /* determine newly released keys */ - for (j = 0; j < sizeof(data->pressed_keys); j++) { - unsigned int key_code; - if (data->pressed_keys[j] == 0) - continue; - for (i = 0; i < size; i++) - if (data->pressed_keys[j] == raw_data[i]) - goto key_still_down; - input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]); - if (data->pressed_keys[j] < PICOLCD_KEYS) - key_code = data->keycode[data->pressed_keys[j]]; - else - key_code = KEY_UNKNOWN; - if (key_code != KEY_UNKNOWN) { - dbg_hid(PICOLCD_NAME " got key release for %u:%d", - data->pressed_keys[j], key_code); - input_report_key(data->input_keys, key_code, 0); - } - input_sync(data->input_keys); - data->pressed_keys[j] = 0; -key_still_down: - continue; - } - return 1; -} - -static int picolcd_raw_cir(struct picolcd_data *data, - struct hid_report *report, u8 *raw_data, int size) -{ - /* Need understanding of CIR data format to implement ... */ - return 1; -} - -static int picolcd_check_version(struct hid_device *hdev) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct picolcd_pending *verinfo; - int ret = 0; - - if (!data) - return -ENODEV; - - verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0); - if (!verinfo) { - hid_err(hdev, "no version response from PicoLCD\n"); - return -ENODEV; - } - - if (verinfo->raw_size == 2) { - data->version[0] = verinfo->raw_data[1]; - data->version[1] = verinfo->raw_data[0]; - if (data->status & PICOLCD_BOOTLOADER) { - hid_info(hdev, "PicoLCD, bootloader version %d.%d\n", - verinfo->raw_data[1], verinfo->raw_data[0]); - } else { - hid_info(hdev, "PicoLCD, firmware version %d.%d\n", - verinfo->raw_data[1], verinfo->raw_data[0]); - } - } else { - hid_err(hdev, "confused, got unexpected version response from PicoLCD\n"); - ret = -EINVAL; - } - kfree(verinfo); - return ret; -} - -/* - * Reset our device and wait for answer to VERSION request - */ -static int picolcd_reset(struct hid_device *hdev) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev); - unsigned long flags; - int error; - - if (!data || !report || report->maxfield != 1) - return -ENODEV; - - spin_lock_irqsave(&data->lock, flags); - if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) - data->status |= PICOLCD_BOOTLOADER; - - /* perform the reset */ - hid_set_field(report->field[0], 0, 1); - usbhid_submit_report(hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - - error = picolcd_check_version(hdev); - if (error) - return error; - - picolcd_resume_lcd(data); - picolcd_resume_backlight(data); -#ifdef CONFIG_HID_PICOLCD_FB - if (data->fb_info) - schedule_delayed_work(&data->fb_info->deferred_work, 0); -#endif /* CONFIG_HID_PICOLCD_FB */ - - picolcd_leds_set(data); - return 0; -} - -/* - * The "operation_mode" sysfs attribute - */ -static ssize_t picolcd_operation_mode_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - - if (data->status & PICOLCD_BOOTLOADER) - return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n"); - else - return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n"); -} - -static ssize_t picolcd_operation_mode_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - struct hid_report *report = NULL; - size_t cnt = count; - int timeout = data->opmode_delay; - unsigned long flags; - - if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) { - if (data->status & PICOLCD_BOOTLOADER) - report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev); - buf += 3; - cnt -= 3; - } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) { - if (!(data->status & PICOLCD_BOOTLOADER)) - report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev); - buf += 10; - cnt -= 10; - } - if (!report) - return -EINVAL; - - while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) - cnt--; - if (cnt != 0) - return -EINVAL; - - spin_lock_irqsave(&data->lock, flags); - hid_set_field(report->field[0], 0, timeout & 0xff); - hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff); - usbhid_submit_report(data->hdev, report, USB_DIR_OUT); - spin_unlock_irqrestore(&data->lock, flags); - return count; -} - -static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show, - picolcd_operation_mode_store); - -/* - * The "operation_mode_delay" sysfs attribute - */ -static ssize_t picolcd_operation_mode_delay_show(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - - return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay); -} - -static ssize_t picolcd_operation_mode_delay_store(struct device *dev, - struct device_attribute *attr, const char *buf, size_t count) -{ - struct picolcd_data *data = dev_get_drvdata(dev); - unsigned u; - if (sscanf(buf, "%u", &u) != 1) - return -EINVAL; - if (u > 30000) - return -EINVAL; - else - data->opmode_delay = u; - return count; -} - -static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show, - picolcd_operation_mode_delay_store); - - -#ifdef CONFIG_DEBUG_FS -/* - * The "reset" file - */ -static int picolcd_debug_reset_show(struct seq_file *f, void *p) -{ - if (picolcd_fbinfo((struct picolcd_data *)f->private)) - seq_printf(f, "all fb\n"); - else - seq_printf(f, "all\n"); - return 0; -} - -static int picolcd_debug_reset_open(struct inode *inode, struct file *f) -{ - return single_open(f, picolcd_debug_reset_show, inode->i_private); -} - -static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf, - size_t count, loff_t *ppos) -{ - struct picolcd_data *data = ((struct seq_file *)f->private_data)->private; - char buf[32]; - size_t cnt = min(count, sizeof(buf)-1); - if (copy_from_user(buf, user_buf, cnt)) - return -EFAULT; - - while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n')) - cnt--; - buf[cnt] = '\0'; - if (strcmp(buf, "all") == 0) { - picolcd_reset(data->hdev); - picolcd_fb_reset(data, 1); - } else if (strcmp(buf, "fb") == 0) { - picolcd_fb_reset(data, 1); - } else { - return -EINVAL; - } - return count; -} - -static const struct file_operations picolcd_debug_reset_fops = { - .owner = THIS_MODULE, - .open = picolcd_debug_reset_open, - .read = seq_read, - .llseek = seq_lseek, - .write = picolcd_debug_reset_write, - .release = single_release, -}; - -/* - * The "eeprom" file - */ -static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - struct picolcd_pending *resp; - u8 raw_data[3]; - ssize_t ret = -EIO; - - if (s == 0) - return -EINVAL; - if (*off > 0x0ff) - return 0; - - /* prepare buffer with info about what we want to read (addr & len) */ - raw_data[0] = *off & 0xff; - raw_data[1] = (*off >> 8) & 0xff; - raw_data[2] = s < 20 ? s : 20; - if (*off + raw_data[2] > 0xff) - raw_data[2] = 0x100 - *off; - resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data, - sizeof(raw_data)); - if (!resp) - return -EIO; - - if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { - /* successful read :) */ - ret = resp->raw_data[2]; - if (ret > s) - ret = s; - if (copy_to_user(u, resp->raw_data+3, ret)) - ret = -EFAULT; - else - *off += ret; - } /* anything else is some kind of IO error */ - - kfree(resp); - return ret; -} - -static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - struct picolcd_pending *resp; - ssize_t ret = -EIO; - u8 raw_data[23]; - - if (s == 0) - return -EINVAL; - if (*off > 0x0ff) - return -ENOSPC; - - memset(raw_data, 0, sizeof(raw_data)); - raw_data[0] = *off & 0xff; - raw_data[1] = (*off >> 8) & 0xff; - raw_data[2] = min((size_t)20, s); - if (*off + raw_data[2] > 0xff) - raw_data[2] = 0x100 - *off; - - if (copy_from_user(raw_data+3, u, min((u8)20, raw_data[2]))) - return -EFAULT; - resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data, - sizeof(raw_data)); - - if (!resp) - return -EIO; - - if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { - /* check if written data matches */ - if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) { - *off += raw_data[2]; - ret = raw_data[2]; - } - } - kfree(resp); - return ret; -} - -/* - * Notes: - * - read/write happens in chunks of at most 20 bytes, it's up to userspace - * to loop in order to get more data. - * - on write errors on otherwise correct write request the bytes - * that should have been written are in undefined state. - */ -static const struct file_operations picolcd_debug_eeprom_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = picolcd_debug_eeprom_read, - .write = picolcd_debug_eeprom_write, - .llseek = generic_file_llseek, -}; - -/* - * The "flash" file - */ -/* record a flash address to buf (bounds check to be done by caller) */ -static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off) -{ - buf[0] = off & 0xff; - buf[1] = (off >> 8) & 0xff; - if (data->addr_sz == 3) - buf[2] = (off >> 16) & 0xff; - return data->addr_sz == 2 ? 2 : 3; -} - -/* read a given size of data (bounds check to be done by caller) */ -static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id, - char __user *u, size_t s, loff_t *off) -{ - struct picolcd_pending *resp; - u8 raw_data[4]; - ssize_t ret = 0; - int len_off, err = -EIO; - - while (s > 0) { - err = -EIO; - len_off = _picolcd_flash_setaddr(data, raw_data, *off); - raw_data[len_off] = s > 32 ? 32 : s; - resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1); - if (!resp || !resp->in_report) - goto skip; - if (resp->in_report->id == REPORT_MEMORY || - resp->in_report->id == REPORT_BL_READ_MEMORY) { - if (memcmp(raw_data, resp->raw_data, len_off+1) != 0) - goto skip; - if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) { - err = -EFAULT; - goto skip; - } - *off += raw_data[len_off]; - s -= raw_data[len_off]; - ret += raw_data[len_off]; - err = 0; - } -skip: - kfree(resp); - if (err) - return ret > 0 ? ret : err; - } - return ret; -} - -static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - - if (s == 0) - return -EINVAL; - if (*off > 0x05fff) - return 0; - if (*off + s > 0x05fff) - s = 0x06000 - *off; - - if (data->status & PICOLCD_BOOTLOADER) - return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off); - else - return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off); -} - -/* erase block aligned to 64bytes boundary */ -static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id, - loff_t *off) -{ - struct picolcd_pending *resp; - u8 raw_data[3]; - int len_off; - ssize_t ret = -EIO; - - if (*off & 0x3f) - return -EINVAL; - - len_off = _picolcd_flash_setaddr(data, raw_data, *off); - resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off); - if (!resp || !resp->in_report) - goto skip; - if (resp->in_report->id == REPORT_MEMORY || - resp->in_report->id == REPORT_BL_ERASE_MEMORY) { - if (memcmp(raw_data, resp->raw_data, len_off) != 0) - goto skip; - ret = 0; - } -skip: - kfree(resp); - return ret; -} - -/* write a given size of data (bounds check to be done by caller) */ -static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id, - const char __user *u, size_t s, loff_t *off) -{ - struct picolcd_pending *resp; - u8 raw_data[36]; - ssize_t ret = 0; - int len_off, err = -EIO; - - while (s > 0) { - err = -EIO; - len_off = _picolcd_flash_setaddr(data, raw_data, *off); - raw_data[len_off] = s > 32 ? 32 : s; - if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) { - err = -EFAULT; - break; - } - resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, - len_off+1+raw_data[len_off]); - if (!resp || !resp->in_report) - goto skip; - if (resp->in_report->id == REPORT_MEMORY || - resp->in_report->id == REPORT_BL_WRITE_MEMORY) { - if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0) - goto skip; - *off += raw_data[len_off]; - s -= raw_data[len_off]; - ret += raw_data[len_off]; - err = 0; - } -skip: - kfree(resp); - if (err) - break; - } - return ret > 0 ? ret : err; -} - -static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u, - size_t s, loff_t *off) -{ - struct picolcd_data *data = f->private_data; - ssize_t err, ret = 0; - int report_erase, report_write; - - if (s == 0) - return -EINVAL; - if (*off > 0x5fff) - return -ENOSPC; - if (s & 0x3f) - return -EINVAL; - if (*off & 0x3f) - return -EINVAL; - - if (data->status & PICOLCD_BOOTLOADER) { - report_erase = REPORT_BL_ERASE_MEMORY; - report_write = REPORT_BL_WRITE_MEMORY; - } else { - report_erase = REPORT_ERASE_MEMORY; - report_write = REPORT_WRITE_MEMORY; - } - mutex_lock(&data->mutex_flash); - while (s > 0) { - err = _picolcd_flash_erase64(data, report_erase, off); - if (err) - break; - err = _picolcd_flash_write(data, report_write, u, 64, off); - if (err < 0) - break; - ret += err; - *off += err; - s -= err; - if (err != 64) - break; - } - mutex_unlock(&data->mutex_flash); - return ret > 0 ? ret : err; -} - -/* - * Notes: - * - concurrent writing is prevented by mutex and all writes must be - * n*64 bytes and 64-byte aligned, each write being preceded by an - * ERASE which erases a 64byte block. - * If less than requested was written or an error is returned for an - * otherwise correct write request the next 64-byte block which should - * have been written is in undefined state (mostly: original, erased, - * (half-)written with write error) - * - reading can happen without special restriction - */ -static const struct file_operations picolcd_debug_flash_fops = { - .owner = THIS_MODULE, - .open = simple_open, - .read = picolcd_debug_flash_read, - .write = picolcd_debug_flash_write, - .llseek = generic_file_llseek, -}; - - -/* - * Helper code for HID report level dumping/debugging - */ -static const char *error_codes[] = { - "success", "parameter missing", "data_missing", "block readonly", - "block not erasable", "block too big", "section overflow", - "invalid command length", "invalid data length", -}; - -static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data, - const size_t data_len) -{ - int i, j; - for (i = j = 0; i < data_len && j + 3 < dst_sz; i++) { - dst[j++] = hex_asc[(data[i] >> 4) & 0x0f]; - dst[j++] = hex_asc[data[i] & 0x0f]; - dst[j++] = ' '; - } - if (j < dst_sz) { - dst[j--] = '\0'; - dst[j] = '\n'; - } else - dst[j] = '\0'; -} - -static void picolcd_debug_out_report(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report) -{ - u8 raw_data[70]; - int raw_size = (report->size >> 3) + 1; - char *buff; -#define BUFF_SZ 256 - - /* Avoid unnecessary overhead if debugfs is disabled */ - if (list_empty(&hdev->debug_list)) - return; - - buff = kmalloc(BUFF_SZ, GFP_ATOMIC); - if (!buff) - return; - - snprintf(buff, BUFF_SZ, "\nout report %d (size %d) = ", - report->id, raw_size); - hid_debug_event(hdev, buff); - if (raw_size + 5 > sizeof(raw_data)) { - kfree(buff); - hid_debug_event(hdev, " TOO BIG\n"); - return; - } else { - raw_data[0] = report->id; - hid_output_report(report, raw_data); - dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size); - hid_debug_event(hdev, buff); - } - - switch (report->id) { - case REPORT_LED_STATE: - /* 1 data byte with GPO state */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LED_STATE", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_BRIGHTNESS: - /* 1 data byte with brightness */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_BRIGHTNESS", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_CONTRAST: - /* 1 data byte with contrast */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_CONTRAST", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_RESET: - /* 2 data bytes with reset duration in ms */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_RESET", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n", - raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_LCD_CMD: - /* 63 data bytes with LCD commands */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LCD_CMD", report->id, raw_size-1); - hid_debug_event(hdev, buff); - /* TODO: format decoding */ - break; - case REPORT_LCD_DATA: - /* 63 data bytes with LCD data */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LCD_CMD", report->id, raw_size-1); - /* TODO: format decoding */ - hid_debug_event(hdev, buff); - break; - case REPORT_LCD_CMD_DATA: - /* 63 data bytes with LCD commands and data */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_LCD_CMD", report->id, raw_size-1); - /* TODO: format decoding */ - hid_debug_event(hdev, buff); - break; - case REPORT_EE_READ: - /* 3 data bytes with read area description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_EE_READ", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - break; - case REPORT_EE_WRITE: - /* 3+1..20 data bytes with write area description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_EE_WRITE", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[3] + 4 <= raw_size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_ERASE_MEMORY: - case REPORT_BL_ERASE_MEMORY: - /* 3 data bytes with pointer inside erase block */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_ERASE_MEMORY", report->id, raw_size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - break; - case 3: - snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_READ_MEMORY: - case REPORT_BL_READ_MEMORY: - /* 4 data bytes with read area description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_READ_MEMORY", report->id, raw_size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - break; - case 3: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_WRITE_MEMORY: - case REPORT_BL_WRITE_MEMORY: - /* 4+1..32 data bytes with write adrea description */ - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_WRITE_MEMORY", report->id, raw_size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[3] + 4 <= raw_size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - case 3: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); - hid_debug_event(hdev, buff); - if (raw_data[4] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[4] + 5 <= raw_size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_SPLASH_RESTART: - /* TODO */ - break; - case REPORT_EXIT_KEYBOARD: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_EXIT_KEYBOARD", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", - raw_data[1] | (raw_data[2] << 8), - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_VERSION: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_VERSION", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_DEVID: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_DEVID", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_SPLASH_SIZE: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_SPLASH_SIZE", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_HOOK_VERSION: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_HOOK_VERSION", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - case REPORT_EXIT_FLASHER: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "REPORT_VERSION", report->id, raw_size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", - raw_data[1] | (raw_data[2] << 8), - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - default: - snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", - "<unknown>", report->id, raw_size-1); - hid_debug_event(hdev, buff); - break; - } - wake_up_interruptible(&hdev->debug_wait); - kfree(buff); -} - -static void picolcd_debug_raw_event(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report, - u8 *raw_data, int size) -{ - char *buff; - -#define BUFF_SZ 256 - /* Avoid unnecessary overhead if debugfs is disabled */ - if (!hdev->debug_events) - return; - - buff = kmalloc(BUFF_SZ, GFP_ATOMIC); - if (!buff) - return; - - switch (report->id) { - case REPORT_ERROR_CODE: - /* 2 data bytes with affected report and error code */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_ERROR_CODE", report->id, size-1); - hid_debug_event(hdev, buff); - if (raw_data[2] < ARRAY_SIZE(error_codes)) - snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n", - raw_data[2], error_codes[raw_data[2]], raw_data[1]); - else - snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_KEY_STATE: - /* 2 data bytes with key state */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_KEY_STATE", report->id, size-1); - hid_debug_event(hdev, buff); - if (raw_data[1] == 0) - snprintf(buff, BUFF_SZ, "\tNo key pressed\n"); - else if (raw_data[2] == 0) - snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n", - raw_data[1], raw_data[1]); - else - snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n", - raw_data[1], raw_data[1], raw_data[2], raw_data[2]); - hid_debug_event(hdev, buff); - break; - case REPORT_IR_DATA: - /* Up to 20 byes of IR scancode data */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_IR_DATA", report->id, size-1); - hid_debug_event(hdev, buff); - if (raw_data[1] == 0) { - snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n"); - hid_debug_event(hdev, buff); - } else if (raw_data[1] + 1 <= size) { - snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ", - raw_data[1]-1); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]-1); - hid_debug_event(hdev, buff); - } else { - snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n", - raw_data[1]-1); - hid_debug_event(hdev, buff); - } - break; - case REPORT_EE_DATA: - /* Data buffer in response to REPORT_EE_READ or REPORT_EE_WRITE */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_EE_DATA", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - hid_debug_event(hdev, buff); - } else if (raw_data[3] + 4 <= size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - hid_debug_event(hdev, buff); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - hid_debug_event(hdev, buff); - } - break; - case REPORT_MEMORY: - /* Data buffer in response to REPORT_READ_MEMORY or REPORT_WRTIE_MEMORY */ - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - switch (data->addr_sz) { - case 2: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); - hid_debug_event(hdev, buff); - if (raw_data[3] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[3] + 4 <= size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - case 3: - snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", - raw_data[3], raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); - hid_debug_event(hdev, buff); - if (raw_data[4] == 0) { - snprintf(buff, BUFF_SZ, "\tNo data\n"); - } else if (raw_data[4] + 5 <= size) { - snprintf(buff, BUFF_SZ, "\tData: "); - hid_debug_event(hdev, buff); - dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); - } else { - snprintf(buff, BUFF_SZ, "\tData overflowed\n"); - } - break; - default: - snprintf(buff, BUFF_SZ, "\tNot supported\n"); - } - hid_debug_event(hdev, buff); - break; - case REPORT_VERSION: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_VERSION", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", - raw_data[2], raw_data[1]); - hid_debug_event(hdev, buff); - break; - case REPORT_BL_ERASE_MEMORY: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_BL_ERASE_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - /* TODO */ - break; - case REPORT_BL_READ_MEMORY: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_BL_READ_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - /* TODO */ - break; - case REPORT_BL_WRITE_MEMORY: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_BL_WRITE_MEMORY", report->id, size-1); - hid_debug_event(hdev, buff); - /* TODO */ - break; - case REPORT_DEVID: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_DEVID", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tSerial: 0x%02x%02x%02x%02x\n", - raw_data[1], raw_data[2], raw_data[3], raw_data[4]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tType: 0x%02x\n", - raw_data[5]); - hid_debug_event(hdev, buff); - break; - case REPORT_SPLASH_SIZE: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_SPLASH_SIZE", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tTotal splash space: %d\n", - (raw_data[2] << 8) | raw_data[1]); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tUsed splash space: %d\n", - (raw_data[4] << 8) | raw_data[3]); - hid_debug_event(hdev, buff); - break; - case REPORT_HOOK_VERSION: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "REPORT_HOOK_VERSION", report->id, size-1); - hid_debug_event(hdev, buff); - snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", - raw_data[1], raw_data[2]); - hid_debug_event(hdev, buff); - break; - default: - snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", - "<unknown>", report->id, size-1); - hid_debug_event(hdev, buff); - break; - } - wake_up_interruptible(&hdev->debug_wait); - kfree(buff); -} - -static void picolcd_init_devfs(struct picolcd_data *data, - struct hid_report *eeprom_r, struct hid_report *eeprom_w, - struct hid_report *flash_r, struct hid_report *flash_w, - struct hid_report *reset) -{ - struct hid_device *hdev = data->hdev; - - mutex_init(&data->mutex_flash); - - /* reset */ - if (reset) - data->debug_reset = debugfs_create_file("reset", 0600, - hdev->debug_dir, data, &picolcd_debug_reset_fops); - - /* eeprom */ - if (eeprom_r || eeprom_w) - data->debug_eeprom = debugfs_create_file("eeprom", - (eeprom_w ? S_IWUSR : 0) | (eeprom_r ? S_IRUSR : 0), - hdev->debug_dir, data, &picolcd_debug_eeprom_fops); - - /* flash */ - if (flash_r && flash_r->maxfield == 1 && flash_r->field[0]->report_size == 8) - data->addr_sz = flash_r->field[0]->report_count - 1; - else - data->addr_sz = -1; - if (data->addr_sz == 2 || data->addr_sz == 3) { - data->debug_flash = debugfs_create_file("flash", - (flash_w ? S_IWUSR : 0) | (flash_r ? S_IRUSR : 0), - hdev->debug_dir, data, &picolcd_debug_flash_fops); - } else if (flash_r || flash_w) - hid_warn(hdev, "Unexpected FLASH access reports, please submit rdesc for review\n"); -} - -static void picolcd_exit_devfs(struct picolcd_data *data) -{ - struct dentry *dent; - - dent = data->debug_reset; - data->debug_reset = NULL; - if (dent) - debugfs_remove(dent); - dent = data->debug_eeprom; - data->debug_eeprom = NULL; - if (dent) - debugfs_remove(dent); - dent = data->debug_flash; - data->debug_flash = NULL; - if (dent) - debugfs_remove(dent); - mutex_destroy(&data->mutex_flash); -} -#else -static inline void picolcd_debug_raw_event(struct picolcd_data *data, - struct hid_device *hdev, struct hid_report *report, - u8 *raw_data, int size) -{ -} -static inline void picolcd_init_devfs(struct picolcd_data *data, - struct hid_report *eeprom_r, struct hid_report *eeprom_w, - struct hid_report *flash_r, struct hid_report *flash_w, - struct hid_report *reset) -{ -} -static inline void picolcd_exit_devfs(struct picolcd_data *data) -{ -} -#endif /* CONFIG_DEBUG_FS */ - -/* - * Handle raw report as sent by device - */ -static int picolcd_raw_event(struct hid_device *hdev, - struct hid_report *report, u8 *raw_data, int size) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - unsigned long flags; - int ret = 0; - - if (!data) - return 1; - - if (report->id == REPORT_KEY_STATE) { - if (data->input_keys) - ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); - } else if (report->id == REPORT_IR_DATA) { - if (data->input_cir) - ret = picolcd_raw_cir(data, report, raw_data+1, size-1); - } else { - spin_lock_irqsave(&data->lock, flags); - /* - * We let the caller of picolcd_send_and_wait() check if the - * report we got is one of the expected ones or not. - */ - if (data->pending) { - memcpy(data->pending->raw_data, raw_data+1, size-1); - data->pending->raw_size = size-1; - data->pending->in_report = report; - complete(&data->pending->ready); - } - spin_unlock_irqrestore(&data->lock, flags); - } - - picolcd_debug_raw_event(data, hdev, report, raw_data, size); - return 1; -} - -#ifdef CONFIG_PM -static int picolcd_suspend(struct hid_device *hdev, pm_message_t message) -{ - if (PMSG_IS_AUTO(message)) - return 0; - - picolcd_suspend_backlight(hid_get_drvdata(hdev)); - dbg_hid(PICOLCD_NAME " device ready for suspend\n"); - return 0; -} - -static int picolcd_resume(struct hid_device *hdev) -{ - int ret; - ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); - if (ret) - dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); - return 0; -} - -static int picolcd_reset_resume(struct hid_device *hdev) -{ - int ret; - ret = picolcd_reset(hdev); - if (ret) - dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret); - ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0); - if (ret) - dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret); - ret = picolcd_resume_lcd(hid_get_drvdata(hdev)); - if (ret) - dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret); - ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); - if (ret) - dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); - picolcd_leds_set(hid_get_drvdata(hdev)); - return 0; -} -#endif - -/* initialize keypad input device */ -static int picolcd_init_keys(struct picolcd_data *data, - struct hid_report *report) -{ - struct hid_device *hdev = data->hdev; - struct input_dev *idev; - int error, i; - - if (!report) - return -ENODEV; - if (report->maxfield != 1 || report->field[0]->report_count != 2 || - report->field[0]->report_size != 8) { - hid_err(hdev, "unsupported KEY_STATE report\n"); - return -EINVAL; - } - - idev = input_allocate_device(); - if (idev == NULL) { - hid_err(hdev, "failed to allocate input device\n"); - return -ENOMEM; - } - input_set_drvdata(idev, hdev); - memcpy(data->keycode, def_keymap, sizeof(def_keymap)); - idev->name = hdev->name; - idev->phys = hdev->phys; - idev->uniq = hdev->uniq; - idev->id.bustype = hdev->bus; - idev->id.vendor = hdev->vendor; - idev->id.product = hdev->product; - idev->id.version = hdev->version; - idev->dev.parent = hdev->dev.parent; - idev->keycode = &data->keycode; - idev->keycodemax = PICOLCD_KEYS; - idev->keycodesize = sizeof(data->keycode[0]); - input_set_capability(idev, EV_MSC, MSC_SCAN); - set_bit(EV_REP, idev->evbit); - for (i = 0; i < PICOLCD_KEYS; i++) - input_set_capability(idev, EV_KEY, data->keycode[i]); - error = input_register_device(idev); - if (error) { - hid_err(hdev, "error registering the input device\n"); - input_free_device(idev); - return error; - } - data->input_keys = idev; - return 0; -} - -static void picolcd_exit_keys(struct picolcd_data *data) -{ - struct input_dev *idev = data->input_keys; - - data->input_keys = NULL; - if (idev) - input_unregister_device(idev); -} - -/* initialize CIR input device */ -static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) -{ - /* support not implemented yet */ - return 0; -} - -static inline void picolcd_exit_cir(struct picolcd_data *data) -{ -} - -static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data) -{ - int error; - - error = picolcd_check_version(hdev); - if (error) - return error; - - if (data->version[0] != 0 && data->version[1] != 3) - hid_info(hdev, "Device with untested firmware revision, please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n", - dev_name(&hdev->dev)); - - /* Setup keypad input device */ - error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev)); - if (error) - goto err; - - /* Setup CIR input device */ - error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev)); - if (error) - goto err; - - /* Set up the framebuffer device */ - error = picolcd_init_framebuffer(data); - if (error) - goto err; - - /* Setup lcd class device */ - error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev)); - if (error) - goto err; - - /* Setup backlight class device */ - error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev)); - if (error) - goto err; - - /* Setup the LED class devices */ - error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev)); - if (error) - goto err; - - picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev), - picolcd_out_report(REPORT_EE_WRITE, hdev), - picolcd_out_report(REPORT_READ_MEMORY, hdev), - picolcd_out_report(REPORT_WRITE_MEMORY, hdev), - picolcd_out_report(REPORT_RESET, hdev)); - return 0; -err: - picolcd_exit_leds(data); - picolcd_exit_backlight(data); - picolcd_exit_lcd(data); - picolcd_exit_framebuffer(data); - picolcd_exit_cir(data); - picolcd_exit_keys(data); - return error; -} - -static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data) -{ - int error; - - error = picolcd_check_version(hdev); - if (error) - return error; - - if (data->version[0] != 1 && data->version[1] != 0) - hid_info(hdev, "Device with untested bootloader revision, please submit /sys/kernel/debug/hid/%s/rdesc for this device.\n", - dev_name(&hdev->dev)); - - picolcd_init_devfs(data, NULL, NULL, - picolcd_out_report(REPORT_BL_READ_MEMORY, hdev), - picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL); - return 0; -} - -static int picolcd_probe(struct hid_device *hdev, - const struct hid_device_id *id) -{ - struct picolcd_data *data; - int error = -ENOMEM; - - dbg_hid(PICOLCD_NAME " hardware probe...\n"); - - /* - * Let's allocate the picolcd data structure, set some reasonable - * defaults, and associate it with the device - */ - data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL); - if (data == NULL) { - hid_err(hdev, "can't allocate space for Minibox PicoLCD device data\n"); - error = -ENOMEM; - goto err_no_cleanup; - } - - spin_lock_init(&data->lock); - mutex_init(&data->mutex); - data->hdev = hdev; - data->opmode_delay = 5000; - if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) - data->status |= PICOLCD_BOOTLOADER; - hid_set_drvdata(hdev, data); - - /* Parse the device reports and start it up */ - error = hid_parse(hdev); - if (error) { - hid_err(hdev, "device report parse failed\n"); - goto err_cleanup_data; - } - - error = hid_hw_start(hdev, 0); - if (error) { - hid_err(hdev, "hardware start failed\n"); - goto err_cleanup_data; - } - - error = hid_hw_open(hdev); - if (error) { - hid_err(hdev, "failed to open input interrupt pipe for key and IR events\n"); - goto err_cleanup_hid_hw; - } - - error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay); - if (error) { - hid_err(hdev, "failed to create sysfs attributes\n"); - goto err_cleanup_hid_ll; - } - - error = device_create_file(&hdev->dev, &dev_attr_operation_mode); - if (error) { - hid_err(hdev, "failed to create sysfs attributes\n"); - goto err_cleanup_sysfs1; - } - - if (data->status & PICOLCD_BOOTLOADER) - error = picolcd_probe_bootloader(hdev, data); - else - error = picolcd_probe_lcd(hdev, data); - if (error) - goto err_cleanup_sysfs2; - - dbg_hid(PICOLCD_NAME " activated and initialized\n"); - return 0; - -err_cleanup_sysfs2: - device_remove_file(&hdev->dev, &dev_attr_operation_mode); -err_cleanup_sysfs1: - device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); -err_cleanup_hid_ll: - hid_hw_close(hdev); -err_cleanup_hid_hw: - hid_hw_stop(hdev); -err_cleanup_data: - kfree(data); -err_no_cleanup: - hid_set_drvdata(hdev, NULL); - - return error; -} - -static void picolcd_remove(struct hid_device *hdev) -{ - struct picolcd_data *data = hid_get_drvdata(hdev); - unsigned long flags; - - dbg_hid(PICOLCD_NAME " hardware remove...\n"); - spin_lock_irqsave(&data->lock, flags); - data->status |= PICOLCD_FAILED; - spin_unlock_irqrestore(&data->lock, flags); -#ifdef CONFIG_HID_PICOLCD_FB - /* short-circuit FB as early as possible in order to - * avoid long delays if we host console. - */ - if (data->fb_info) - data->fb_info->par = NULL; -#endif - - picolcd_exit_devfs(data); - device_remove_file(&hdev->dev, &dev_attr_operation_mode); - device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); - hid_hw_close(hdev); - hid_hw_stop(hdev); - hid_set_drvdata(hdev, NULL); - - /* Shortcut potential pending reply that will never arrive */ - spin_lock_irqsave(&data->lock, flags); - if (data->pending) - complete(&data->pending->ready); - spin_unlock_irqrestore(&data->lock, flags); - - /* Cleanup LED */ - picolcd_exit_leds(data); - /* Clean up the framebuffer */ - picolcd_exit_backlight(data); - picolcd_exit_lcd(data); - picolcd_exit_framebuffer(data); - /* Cleanup input */ - picolcd_exit_cir(data); - picolcd_exit_keys(data); - - mutex_destroy(&data->mutex); - /* Finally, clean up the picolcd data itself */ - kfree(data); -} - -static const struct hid_device_id picolcd_devices[] = { - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, - { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, - { } -}; -MODULE_DEVICE_TABLE(hid, picolcd_devices); - -static struct hid_driver picolcd_driver = { - .name = "hid-picolcd", - .id_table = picolcd_devices, - .probe = picolcd_probe, - .remove = picolcd_remove, - .raw_event = picolcd_raw_event, -#ifdef CONFIG_PM - .suspend = picolcd_suspend, - .resume = picolcd_resume, - .reset_resume = picolcd_reset_resume, -#endif -}; - -static int __init picolcd_init(void) -{ - return hid_register_driver(&picolcd_driver); -} - -static void __exit picolcd_exit(void) -{ - hid_unregister_driver(&picolcd_driver); -#ifdef CONFIG_HID_PICOLCD_FB - flush_work_sync(&picolcd_fb_cleanup); - WARN_ON(fb_pending); -#endif -} - -module_init(picolcd_init); -module_exit(picolcd_exit); -MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver"); -MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-picolcd.h b/drivers/hid/hid-picolcd.h new file mode 100644 index 000000000000..020cef69f6a1 --- /dev/null +++ b/drivers/hid/hid-picolcd.h @@ -0,0 +1,309 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#define PICOLCD_NAME "PicoLCD (graphic)" + +/* Report numbers */ +#define REPORT_ERROR_CODE 0x10 /* LCD: IN[16] */ +#define ERR_SUCCESS 0x00 +#define ERR_PARAMETER_MISSING 0x01 +#define ERR_DATA_MISSING 0x02 +#define ERR_BLOCK_READ_ONLY 0x03 +#define ERR_BLOCK_NOT_ERASABLE 0x04 +#define ERR_BLOCK_TOO_BIG 0x05 +#define ERR_SECTION_OVERFLOW 0x06 +#define ERR_INVALID_CMD_LEN 0x07 +#define ERR_INVALID_DATA_LEN 0x08 +#define REPORT_KEY_STATE 0x11 /* LCD: IN[2] */ +#define REPORT_IR_DATA 0x21 /* LCD: IN[63] */ +#define REPORT_EE_DATA 0x32 /* LCD: IN[63] */ +#define REPORT_MEMORY 0x41 /* LCD: IN[63] */ +#define REPORT_LED_STATE 0x81 /* LCD: OUT[1] */ +#define REPORT_BRIGHTNESS 0x91 /* LCD: OUT[1] */ +#define REPORT_CONTRAST 0x92 /* LCD: OUT[1] */ +#define REPORT_RESET 0x93 /* LCD: OUT[2] */ +#define REPORT_LCD_CMD 0x94 /* LCD: OUT[63] */ +#define REPORT_LCD_DATA 0x95 /* LCD: OUT[63] */ +#define REPORT_LCD_CMD_DATA 0x96 /* LCD: OUT[63] */ +#define REPORT_EE_READ 0xa3 /* LCD: OUT[63] */ +#define REPORT_EE_WRITE 0xa4 /* LCD: OUT[63] */ +#define REPORT_ERASE_MEMORY 0xb2 /* LCD: OUT[2] */ +#define REPORT_READ_MEMORY 0xb3 /* LCD: OUT[3] */ +#define REPORT_WRITE_MEMORY 0xb4 /* LCD: OUT[63] */ +#define REPORT_SPLASH_RESTART 0xc1 /* LCD: OUT[1] */ +#define REPORT_EXIT_KEYBOARD 0xef /* LCD: OUT[2] */ +#define REPORT_VERSION 0xf1 /* LCD: IN[2],OUT[1] Bootloader: IN[2],OUT[1] */ +#define REPORT_BL_ERASE_MEMORY 0xf2 /* Bootloader: IN[36],OUT[4] */ +#define REPORT_BL_READ_MEMORY 0xf3 /* Bootloader: IN[36],OUT[4] */ +#define REPORT_BL_WRITE_MEMORY 0xf4 /* Bootloader: IN[36],OUT[36] */ +#define REPORT_DEVID 0xf5 /* LCD: IN[5], OUT[1] Bootloader: IN[5],OUT[1] */ +#define REPORT_SPLASH_SIZE 0xf6 /* LCD: IN[4], OUT[1] */ +#define REPORT_HOOK_VERSION 0xf7 /* LCD: IN[2], OUT[1] */ +#define REPORT_EXIT_FLASHER 0xff /* Bootloader: OUT[2] */ + +/* Description of in-progress IO operation, used for operations + * that trigger response from device */ +struct picolcd_pending { + struct hid_report *out_report; + struct hid_report *in_report; + struct completion ready; + int raw_size; + u8 raw_data[64]; +}; + + +#define PICOLCD_KEYS 17 + +/* Per device data structure */ +struct picolcd_data { + struct hid_device *hdev; +#ifdef CONFIG_DEBUG_FS + struct dentry *debug_reset; + struct dentry *debug_eeprom; + struct dentry *debug_flash; + struct mutex mutex_flash; + int addr_sz; +#endif + u8 version[2]; + unsigned short opmode_delay; + /* input stuff */ + u8 pressed_keys[2]; + struct input_dev *input_keys; +#ifdef CONFIG_HID_PICOLCD_CIR + struct rc_dev *rc_dev; +#endif + unsigned short keycode[PICOLCD_KEYS]; + +#ifdef CONFIG_HID_PICOLCD_FB + /* Framebuffer stuff */ + struct fb_info *fb_info; +#endif /* CONFIG_HID_PICOLCD_FB */ +#ifdef CONFIG_HID_PICOLCD_LCD + struct lcd_device *lcd; + u8 lcd_contrast; +#endif /* CONFIG_HID_PICOLCD_LCD */ +#ifdef CONFIG_HID_PICOLCD_BACKLIGHT + struct backlight_device *backlight; + u8 lcd_brightness; + u8 lcd_power; +#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ +#ifdef CONFIG_HID_PICOLCD_LEDS + /* LED stuff */ + u8 led_state; + struct led_classdev *led[8]; +#endif /* CONFIG_HID_PICOLCD_LEDS */ + + /* Housekeeping stuff */ + spinlock_t lock; + struct mutex mutex; + struct picolcd_pending *pending; + int status; +#define PICOLCD_BOOTLOADER 1 +#define PICOLCD_FAILED 2 +#define PICOLCD_CIR_SHUN 4 +}; + +#ifdef CONFIG_HID_PICOLCD_FB +struct picolcd_fb_data { + /* Framebuffer stuff */ + spinlock_t lock; + struct picolcd_data *picolcd; + u8 update_rate; + u8 bpp; + u8 force; + u8 ready; + u8 *vbitmap; /* local copy of what was sent to PicoLCD */ + u8 *bitmap; /* framebuffer */ +}; +#endif /* CONFIG_HID_PICOLCD_FB */ + +/* Find a given report */ +#define picolcd_in_report(id, dev) picolcd_report(id, dev, HID_INPUT_REPORT) +#define picolcd_out_report(id, dev) picolcd_report(id, dev, HID_OUTPUT_REPORT) + +struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir); + +#ifdef CONFIG_DEBUG_FS +void picolcd_debug_out_report(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report); +#define usbhid_submit_report(a, b, c) \ + do { \ + picolcd_debug_out_report(hid_get_drvdata(a), a, b); \ + usbhid_submit_report(a, b, c); \ + } while (0) + +void picolcd_debug_raw_event(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size); + +void picolcd_init_devfs(struct picolcd_data *data, + struct hid_report *eeprom_r, struct hid_report *eeprom_w, + struct hid_report *flash_r, struct hid_report *flash_w, + struct hid_report *reset); + +void picolcd_exit_devfs(struct picolcd_data *data); +#else +static inline void picolcd_debug_out_report(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report) +{ +} +static inline void picolcd_debug_raw_event(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ +} +static inline void picolcd_init_devfs(struct picolcd_data *data, + struct hid_report *eeprom_r, struct hid_report *eeprom_w, + struct hid_report *flash_r, struct hid_report *flash_w, + struct hid_report *reset) +{ +} +static inline void picolcd_exit_devfs(struct picolcd_data *data) +{ +} +#endif /* CONFIG_DEBUG_FS */ + + +#ifdef CONFIG_HID_PICOLCD_FB +int picolcd_fb_reset(struct picolcd_data *data, int clear); + +int picolcd_init_framebuffer(struct picolcd_data *data); + +void picolcd_exit_framebuffer(struct picolcd_data *data); + +void picolcd_fb_refresh(struct picolcd_data *data); +#define picolcd_fbinfo(d) ((d)->fb_info) +#else +static inline int picolcd_fb_reset(struct picolcd_data *data, int clear) +{ + return 0; +} +static inline int picolcd_init_framebuffer(struct picolcd_data *data) +{ + return 0; +} +static inline void picolcd_exit_framebuffer(struct picolcd_data *data) +{ +} +static inline void picolcd_fb_refresh(struct picolcd_data *data) +{ +} +#define picolcd_fbinfo(d) NULL +#endif /* CONFIG_HID_PICOLCD_FB */ + + +#ifdef CONFIG_HID_PICOLCD_BACKLIGHT +int picolcd_init_backlight(struct picolcd_data *data, + struct hid_report *report); + +void picolcd_exit_backlight(struct picolcd_data *data); + +int picolcd_resume_backlight(struct picolcd_data *data); + +void picolcd_suspend_backlight(struct picolcd_data *data); +#else +static inline int picolcd_init_backlight(struct picolcd_data *data, + struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_backlight(struct picolcd_data *data) +{ +} +static inline int picolcd_resume_backlight(struct picolcd_data *data) +{ + return 0; +} +static inline void picolcd_suspend_backlight(struct picolcd_data *data) +{ +} + +#endif /* CONFIG_HID_PICOLCD_BACKLIGHT */ + + +#ifdef CONFIG_HID_PICOLCD_LCD +int picolcd_init_lcd(struct picolcd_data *data, + struct hid_report *report); + +void picolcd_exit_lcd(struct picolcd_data *data); + +int picolcd_resume_lcd(struct picolcd_data *data); +#else +static inline int picolcd_init_lcd(struct picolcd_data *data, + struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_lcd(struct picolcd_data *data) +{ +} +static inline int picolcd_resume_lcd(struct picolcd_data *data) +{ + return 0; +} +#endif /* CONFIG_HID_PICOLCD_LCD */ + + +#ifdef CONFIG_HID_PICOLCD_LEDS +int picolcd_init_leds(struct picolcd_data *data, + struct hid_report *report); + +void picolcd_exit_leds(struct picolcd_data *data); + +void picolcd_leds_set(struct picolcd_data *data); +#else +static inline int picolcd_init_leds(struct picolcd_data *data, + struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_leds(struct picolcd_data *data) +{ +} +static inline void picolcd_leds_set(struct picolcd_data *data) +{ +} +#endif /* CONFIG_HID_PICOLCD_LEDS */ + + +#ifdef CONFIG_HID_PICOLCD_CIR +int picolcd_raw_cir(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size); + +int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report); + +void picolcd_exit_cir(struct picolcd_data *data); +#else +static inline int picolcd_raw_cir(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size) +{ + return 1; +} +static inline int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) +{ + return 0; +} +static inline void picolcd_exit_cir(struct picolcd_data *data) +{ +} +#endif /* CONFIG_HID_PICOLCD_LIRC */ + +int picolcd_reset(struct hid_device *hdev); +struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev, + int report_id, const u8 *raw_data, int size); diff --git a/drivers/hid/hid-picolcd_backlight.c b/drivers/hid/hid-picolcd_backlight.c new file mode 100644 index 000000000000..b91f30945f9c --- /dev/null +++ b/drivers/hid/hid-picolcd_backlight.c @@ -0,0 +1,122 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/backlight.h> + +#include "hid-picolcd.h" + +static int picolcd_get_brightness(struct backlight_device *bdev) +{ + struct picolcd_data *data = bl_get_data(bdev); + return data->lcd_brightness; +} + +static int picolcd_set_brightness(struct backlight_device *bdev) +{ + struct picolcd_data *data = bl_get_data(bdev); + struct hid_report *report = picolcd_out_report(REPORT_BRIGHTNESS, data->hdev); + unsigned long flags; + + if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) + return -ENODEV; + + data->lcd_brightness = bdev->props.brightness & 0x0ff; + data->lcd_power = bdev->props.power; + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, data->lcd_power == FB_BLANK_UNBLANK ? data->lcd_brightness : 0); + if (!(data->status & PICOLCD_FAILED)) + usbhid_submit_report(data->hdev, report, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +static int picolcd_check_bl_fb(struct backlight_device *bdev, struct fb_info *fb) +{ + return fb && fb == picolcd_fbinfo((struct picolcd_data *)bl_get_data(bdev)); +} + +static const struct backlight_ops picolcd_blops = { + .update_status = picolcd_set_brightness, + .get_brightness = picolcd_get_brightness, + .check_fb = picolcd_check_bl_fb, +}; + +int picolcd_init_backlight(struct picolcd_data *data, struct hid_report *report) +{ + struct device *dev = &data->hdev->dev; + struct backlight_device *bdev; + struct backlight_properties props; + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 1 || + report->field[0]->report_size != 8) { + dev_err(dev, "unsupported BRIGHTNESS report"); + return -EINVAL; + } + + memset(&props, 0, sizeof(props)); + props.type = BACKLIGHT_RAW; + props.max_brightness = 0xff; + bdev = backlight_device_register(dev_name(dev), dev, data, + &picolcd_blops, &props); + if (IS_ERR(bdev)) { + dev_err(dev, "failed to register backlight\n"); + return PTR_ERR(bdev); + } + bdev->props.brightness = 0xff; + data->lcd_brightness = 0xff; + data->backlight = bdev; + picolcd_set_brightness(bdev); + return 0; +} + +void picolcd_exit_backlight(struct picolcd_data *data) +{ + struct backlight_device *bdev = data->backlight; + + data->backlight = NULL; + if (bdev) + backlight_device_unregister(bdev); +} + +int picolcd_resume_backlight(struct picolcd_data *data) +{ + if (!data->backlight) + return 0; + return picolcd_set_brightness(data->backlight); +} + +#ifdef CONFIG_PM +void picolcd_suspend_backlight(struct picolcd_data *data) +{ + int bl_power = data->lcd_power; + if (!data->backlight) + return; + + data->backlight->props.power = FB_BLANK_POWERDOWN; + picolcd_set_brightness(data->backlight); + data->lcd_power = data->backlight->props.power = bl_power; +} +#endif /* CONFIG_PM */ + diff --git a/drivers/hid/hid-picolcd_cir.c b/drivers/hid/hid-picolcd_cir.c new file mode 100644 index 000000000000..13ca9191b630 --- /dev/null +++ b/drivers/hid/hid-picolcd_cir.c @@ -0,0 +1,152 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include <linux/input.h> +#include "hid-ids.h" +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/vmalloc.h> +#include <linux/backlight.h> +#include <linux/lcd.h> + +#include <linux/leds.h> + +#include <linux/seq_file.h> +#include <linux/debugfs.h> + +#include <linux/completion.h> +#include <linux/uaccess.h> +#include <linux/module.h> +#include <media/rc-core.h> + +#include "hid-picolcd.h" + + +int picolcd_raw_cir(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size) +{ + unsigned long flags; + int i, w, sz; + DEFINE_IR_RAW_EVENT(rawir); + + /* ignore if rc_dev is NULL or status is shunned */ + spin_lock_irqsave(&data->lock, flags); + if (!data->rc_dev || (data->status & PICOLCD_CIR_SHUN)) { + spin_unlock_irqrestore(&data->lock, flags); + return 1; + } + spin_unlock_irqrestore(&data->lock, flags); + + /* PicoLCD USB packets contain 16-bit intervals in network order, + * with value negated for pulse. Intervals are in microseconds. + * + * Note: some userspace LIRC code for PicoLCD says negated values + * for space - is it a matter of IR chip? (pulse for my TSOP2236) + * + * In addition, the first interval seems to be around 15000 + base + * interval for non-first report of IR data - thus the quirk below + * to get RC_CODE to understand Sony and JVC remotes I have at hand + */ + sz = size > 0 ? min((int)raw_data[0], size-1) : 0; + for (i = 0; i+1 < sz; i += 2) { + init_ir_raw_event(&rawir); + w = (raw_data[i] << 8) | (raw_data[i+1]); + rawir.pulse = !!(w & 0x8000); + rawir.duration = US_TO_NS(rawir.pulse ? (65536 - w) : w); + /* Quirk!! - see above */ + if (i == 0 && rawir.duration > 15000000) + rawir.duration -= 15000000; + ir_raw_event_store(data->rc_dev, &rawir); + } + ir_raw_event_handle(data->rc_dev); + + return 1; +} + +static int picolcd_cir_open(struct rc_dev *dev) +{ + struct picolcd_data *data = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&data->lock, flags); + data->status &= ~PICOLCD_CIR_SHUN; + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +static void picolcd_cir_close(struct rc_dev *dev) +{ + struct picolcd_data *data = dev->priv; + unsigned long flags; + + spin_lock_irqsave(&data->lock, flags); + data->status |= PICOLCD_CIR_SHUN; + spin_unlock_irqrestore(&data->lock, flags); +} + +/* initialize CIR input device */ +int picolcd_init_cir(struct picolcd_data *data, struct hid_report *report) +{ + struct rc_dev *rdev; + int ret = 0; + + rdev = rc_allocate_device(); + if (!rdev) + return -ENOMEM; + + rdev->priv = data; + rdev->driver_type = RC_DRIVER_IR_RAW; + rdev->allowed_protos = RC_TYPE_ALL; + rdev->open = picolcd_cir_open; + rdev->close = picolcd_cir_close; + rdev->input_name = data->hdev->name; + rdev->input_phys = data->hdev->phys; + rdev->input_id.bustype = data->hdev->bus; + rdev->input_id.vendor = data->hdev->vendor; + rdev->input_id.product = data->hdev->product; + rdev->input_id.version = data->hdev->version; + rdev->dev.parent = &data->hdev->dev; + rdev->driver_name = PICOLCD_NAME; + rdev->map_name = RC_MAP_RC6_MCE; + rdev->timeout = MS_TO_NS(100); + rdev->rx_resolution = US_TO_NS(1); + + ret = rc_register_device(rdev); + if (ret) + goto err; + data->rc_dev = rdev; + return 0; + +err: + rc_free_device(rdev); + return ret; +} + +void picolcd_exit_cir(struct picolcd_data *data) +{ + struct rc_dev *rdev = data->rc_dev; + + data->rc_dev = NULL; + rc_unregister_device(rdev); +} + diff --git a/drivers/hid/hid-picolcd_core.c b/drivers/hid/hid-picolcd_core.c new file mode 100644 index 000000000000..86df26e58aba --- /dev/null +++ b/drivers/hid/hid-picolcd_core.c @@ -0,0 +1,689 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include <linux/input.h> +#include "hid-ids.h" +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/vmalloc.h> + +#include <linux/completion.h> +#include <linux/uaccess.h> +#include <linux/module.h> + +#include "hid-picolcd.h" + + +/* Input device + * + * The PicoLCD has an IR receiver header, a built-in keypad with 5 keys + * and header for 4x4 key matrix. The built-in keys are part of the matrix. + */ +static const unsigned short def_keymap[PICOLCD_KEYS] = { + KEY_RESERVED, /* none */ + KEY_BACK, /* col 4 + row 1 */ + KEY_HOMEPAGE, /* col 3 + row 1 */ + KEY_RESERVED, /* col 2 + row 1 */ + KEY_RESERVED, /* col 1 + row 1 */ + KEY_SCROLLUP, /* col 4 + row 2 */ + KEY_OK, /* col 3 + row 2 */ + KEY_SCROLLDOWN, /* col 2 + row 2 */ + KEY_RESERVED, /* col 1 + row 2 */ + KEY_RESERVED, /* col 4 + row 3 */ + KEY_RESERVED, /* col 3 + row 3 */ + KEY_RESERVED, /* col 2 + row 3 */ + KEY_RESERVED, /* col 1 + row 3 */ + KEY_RESERVED, /* col 4 + row 4 */ + KEY_RESERVED, /* col 3 + row 4 */ + KEY_RESERVED, /* col 2 + row 4 */ + KEY_RESERVED, /* col 1 + row 4 */ +}; + + +/* Find a given report */ +struct hid_report *picolcd_report(int id, struct hid_device *hdev, int dir) +{ + struct list_head *feature_report_list = &hdev->report_enum[dir].report_list; + struct hid_report *report = NULL; + + list_for_each_entry(report, feature_report_list, list) { + if (report->id == id) + return report; + } + hid_warn(hdev, "No report with id 0x%x found\n", id); + return NULL; +} + +/* Submit a report and wait for a reply from device - if device fades away + * or does not respond in time, return NULL */ +struct picolcd_pending *picolcd_send_and_wait(struct hid_device *hdev, + int report_id, const u8 *raw_data, int size) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + struct picolcd_pending *work; + struct hid_report *report = picolcd_out_report(report_id, hdev); + unsigned long flags; + int i, j, k; + + if (!report || !data) + return NULL; + if (data->status & PICOLCD_FAILED) + return NULL; + work = kzalloc(sizeof(*work), GFP_KERNEL); + if (!work) + return NULL; + + init_completion(&work->ready); + work->out_report = report; + work->in_report = NULL; + work->raw_size = 0; + + mutex_lock(&data->mutex); + spin_lock_irqsave(&data->lock, flags); + for (i = k = 0; i < report->maxfield; i++) + for (j = 0; j < report->field[i]->report_count; j++) { + hid_set_field(report->field[i], j, k < size ? raw_data[k] : 0); + k++; + } + if (data->status & PICOLCD_FAILED) { + kfree(work); + work = NULL; + } else { + data->pending = work; + usbhid_submit_report(data->hdev, report, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); + wait_for_completion_interruptible_timeout(&work->ready, HZ*2); + spin_lock_irqsave(&data->lock, flags); + data->pending = NULL; + } + spin_unlock_irqrestore(&data->lock, flags); + mutex_unlock(&data->mutex); + return work; +} + +/* + * input class device + */ +static int picolcd_raw_keypad(struct picolcd_data *data, + struct hid_report *report, u8 *raw_data, int size) +{ + /* + * Keypad event + * First and second data bytes list currently pressed keys, + * 0x00 means no key and at most 2 keys may be pressed at same time + */ + int i, j; + + /* determine newly pressed keys */ + for (i = 0; i < size; i++) { + unsigned int key_code; + if (raw_data[i] == 0) + continue; + for (j = 0; j < sizeof(data->pressed_keys); j++) + if (data->pressed_keys[j] == raw_data[i]) + goto key_already_down; + for (j = 0; j < sizeof(data->pressed_keys); j++) + if (data->pressed_keys[j] == 0) { + data->pressed_keys[j] = raw_data[i]; + break; + } + input_event(data->input_keys, EV_MSC, MSC_SCAN, raw_data[i]); + if (raw_data[i] < PICOLCD_KEYS) + key_code = data->keycode[raw_data[i]]; + else + key_code = KEY_UNKNOWN; + if (key_code != KEY_UNKNOWN) { + dbg_hid(PICOLCD_NAME " got key press for %u:%d", + raw_data[i], key_code); + input_report_key(data->input_keys, key_code, 1); + } + input_sync(data->input_keys); +key_already_down: + continue; + } + + /* determine newly released keys */ + for (j = 0; j < sizeof(data->pressed_keys); j++) { + unsigned int key_code; + if (data->pressed_keys[j] == 0) + continue; + for (i = 0; i < size; i++) + if (data->pressed_keys[j] == raw_data[i]) + goto key_still_down; + input_event(data->input_keys, EV_MSC, MSC_SCAN, data->pressed_keys[j]); + if (data->pressed_keys[j] < PICOLCD_KEYS) + key_code = data->keycode[data->pressed_keys[j]]; + else + key_code = KEY_UNKNOWN; + if (key_code != KEY_UNKNOWN) { + dbg_hid(PICOLCD_NAME " got key release for %u:%d", + data->pressed_keys[j], key_code); + input_report_key(data->input_keys, key_code, 0); + } + input_sync(data->input_keys); + data->pressed_keys[j] = 0; +key_still_down: + continue; + } + return 1; +} + +static int picolcd_check_version(struct hid_device *hdev) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + struct picolcd_pending *verinfo; + int ret = 0; + + if (!data) + return -ENODEV; + + verinfo = picolcd_send_and_wait(hdev, REPORT_VERSION, NULL, 0); + if (!verinfo) { + hid_err(hdev, "no version response from PicoLCD\n"); + return -ENODEV; + } + + if (verinfo->raw_size == 2) { + data->version[0] = verinfo->raw_data[1]; + data->version[1] = verinfo->raw_data[0]; + if (data->status & PICOLCD_BOOTLOADER) { + hid_info(hdev, "PicoLCD, bootloader version %d.%d\n", + verinfo->raw_data[1], verinfo->raw_data[0]); + } else { + hid_info(hdev, "PicoLCD, firmware version %d.%d\n", + verinfo->raw_data[1], verinfo->raw_data[0]); + } + } else { + hid_err(hdev, "confused, got unexpected version response from PicoLCD\n"); + ret = -EINVAL; + } + kfree(verinfo); + return ret; +} + +/* + * Reset our device and wait for answer to VERSION request + */ +int picolcd_reset(struct hid_device *hdev) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + struct hid_report *report = picolcd_out_report(REPORT_RESET, hdev); + unsigned long flags; + int error; + + if (!data || !report || report->maxfield != 1) + return -ENODEV; + + spin_lock_irqsave(&data->lock, flags); + if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) + data->status |= PICOLCD_BOOTLOADER; + + /* perform the reset */ + hid_set_field(report->field[0], 0, 1); + if (data->status & PICOLCD_FAILED) { + spin_unlock_irqrestore(&data->lock, flags); + return -ENODEV; + } + usbhid_submit_report(hdev, report, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); + + error = picolcd_check_version(hdev); + if (error) + return error; + + picolcd_resume_lcd(data); + picolcd_resume_backlight(data); + picolcd_fb_refresh(data); + picolcd_leds_set(data); + return 0; +} + +/* + * The "operation_mode" sysfs attribute + */ +static ssize_t picolcd_operation_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + + if (data->status & PICOLCD_BOOTLOADER) + return snprintf(buf, PAGE_SIZE, "[bootloader] lcd\n"); + else + return snprintf(buf, PAGE_SIZE, "bootloader [lcd]\n"); +} + +static ssize_t picolcd_operation_mode_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + struct hid_report *report = NULL; + size_t cnt = count; + int timeout = data->opmode_delay; + unsigned long flags; + + if (cnt >= 3 && strncmp("lcd", buf, 3) == 0) { + if (data->status & PICOLCD_BOOTLOADER) + report = picolcd_out_report(REPORT_EXIT_FLASHER, data->hdev); + buf += 3; + cnt -= 3; + } else if (cnt >= 10 && strncmp("bootloader", buf, 10) == 0) { + if (!(data->status & PICOLCD_BOOTLOADER)) + report = picolcd_out_report(REPORT_EXIT_KEYBOARD, data->hdev); + buf += 10; + cnt -= 10; + } + if (!report) + return -EINVAL; + + while (cnt > 0 && (buf[cnt-1] == '\n' || buf[cnt-1] == '\r')) + cnt--; + if (cnt != 0) + return -EINVAL; + + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, timeout & 0xff); + hid_set_field(report->field[0], 1, (timeout >> 8) & 0xff); + usbhid_submit_report(data->hdev, report, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); + return count; +} + +static DEVICE_ATTR(operation_mode, 0644, picolcd_operation_mode_show, + picolcd_operation_mode_store); + +/* + * The "operation_mode_delay" sysfs attribute + */ +static ssize_t picolcd_operation_mode_delay_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + + return snprintf(buf, PAGE_SIZE, "%hu\n", data->opmode_delay); +} + +static ssize_t picolcd_operation_mode_delay_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + unsigned u; + if (sscanf(buf, "%u", &u) != 1) + return -EINVAL; + if (u > 30000) + return -EINVAL; + else + data->opmode_delay = u; + return count; +} + +static DEVICE_ATTR(operation_mode_delay, 0644, picolcd_operation_mode_delay_show, + picolcd_operation_mode_delay_store); + +/* + * Handle raw report as sent by device + */ +static int picolcd_raw_event(struct hid_device *hdev, + struct hid_report *report, u8 *raw_data, int size) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + unsigned long flags; + int ret = 0; + + if (!data) + return 1; + + if (report->id == REPORT_KEY_STATE) { + if (data->input_keys) + ret = picolcd_raw_keypad(data, report, raw_data+1, size-1); + } else if (report->id == REPORT_IR_DATA) { + ret = picolcd_raw_cir(data, report, raw_data+1, size-1); + } else { + spin_lock_irqsave(&data->lock, flags); + /* + * We let the caller of picolcd_send_and_wait() check if the + * report we got is one of the expected ones or not. + */ + if (data->pending) { + memcpy(data->pending->raw_data, raw_data+1, size-1); + data->pending->raw_size = size-1; + data->pending->in_report = report; + complete(&data->pending->ready); + } + spin_unlock_irqrestore(&data->lock, flags); + } + + picolcd_debug_raw_event(data, hdev, report, raw_data, size); + return 1; +} + +#ifdef CONFIG_PM +static int picolcd_suspend(struct hid_device *hdev, pm_message_t message) +{ + if (PMSG_IS_AUTO(message)) + return 0; + + picolcd_suspend_backlight(hid_get_drvdata(hdev)); + dbg_hid(PICOLCD_NAME " device ready for suspend\n"); + return 0; +} + +static int picolcd_resume(struct hid_device *hdev) +{ + int ret; + ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); + if (ret) + dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); + return 0; +} + +static int picolcd_reset_resume(struct hid_device *hdev) +{ + int ret; + ret = picolcd_reset(hdev); + if (ret) + dbg_hid(PICOLCD_NAME " resetting our device failed: %d\n", ret); + ret = picolcd_fb_reset(hid_get_drvdata(hdev), 0); + if (ret) + dbg_hid(PICOLCD_NAME " restoring framebuffer content failed: %d\n", ret); + ret = picolcd_resume_lcd(hid_get_drvdata(hdev)); + if (ret) + dbg_hid(PICOLCD_NAME " restoring lcd failed: %d\n", ret); + ret = picolcd_resume_backlight(hid_get_drvdata(hdev)); + if (ret) + dbg_hid(PICOLCD_NAME " restoring backlight failed: %d\n", ret); + picolcd_leds_set(hid_get_drvdata(hdev)); + return 0; +} +#endif + +/* initialize keypad input device */ +static int picolcd_init_keys(struct picolcd_data *data, + struct hid_report *report) +{ + struct hid_device *hdev = data->hdev; + struct input_dev *idev; + int error, i; + + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 2 || + report->field[0]->report_size != 8) { + hid_err(hdev, "unsupported KEY_STATE report\n"); + return -EINVAL; + } + + idev = input_allocate_device(); + if (idev == NULL) { + hid_err(hdev, "failed to allocate input device\n"); + return -ENOMEM; + } + input_set_drvdata(idev, hdev); + memcpy(data->keycode, def_keymap, sizeof(def_keymap)); + idev->name = hdev->name; + idev->phys = hdev->phys; + idev->uniq = hdev->uniq; + idev->id.bustype = hdev->bus; + idev->id.vendor = hdev->vendor; + idev->id.product = hdev->product; + idev->id.version = hdev->version; + idev->dev.parent = &hdev->dev; + idev->keycode = &data->keycode; + idev->keycodemax = PICOLCD_KEYS; + idev->keycodesize = sizeof(data->keycode[0]); + input_set_capability(idev, EV_MSC, MSC_SCAN); + set_bit(EV_REP, idev->evbit); + for (i = 0; i < PICOLCD_KEYS; i++) + input_set_capability(idev, EV_KEY, data->keycode[i]); + error = input_register_device(idev); + if (error) { + hid_err(hdev, "error registering the input device\n"); + input_free_device(idev); + return error; + } + data->input_keys = idev; + return 0; +} + +static void picolcd_exit_keys(struct picolcd_data *data) +{ + struct input_dev *idev = data->input_keys; + + data->input_keys = NULL; + if (idev) + input_unregister_device(idev); +} + +static int picolcd_probe_lcd(struct hid_device *hdev, struct picolcd_data *data) +{ + int error; + + /* Setup keypad input device */ + error = picolcd_init_keys(data, picolcd_in_report(REPORT_KEY_STATE, hdev)); + if (error) + goto err; + + /* Setup CIR input device */ + error = picolcd_init_cir(data, picolcd_in_report(REPORT_IR_DATA, hdev)); + if (error) + goto err; + + /* Set up the framebuffer device */ + error = picolcd_init_framebuffer(data); + if (error) + goto err; + + /* Setup lcd class device */ + error = picolcd_init_lcd(data, picolcd_out_report(REPORT_CONTRAST, hdev)); + if (error) + goto err; + + /* Setup backlight class device */ + error = picolcd_init_backlight(data, picolcd_out_report(REPORT_BRIGHTNESS, hdev)); + if (error) + goto err; + + /* Setup the LED class devices */ + error = picolcd_init_leds(data, picolcd_out_report(REPORT_LED_STATE, hdev)); + if (error) + goto err; + + picolcd_init_devfs(data, picolcd_out_report(REPORT_EE_READ, hdev), + picolcd_out_report(REPORT_EE_WRITE, hdev), + picolcd_out_report(REPORT_READ_MEMORY, hdev), + picolcd_out_report(REPORT_WRITE_MEMORY, hdev), + picolcd_out_report(REPORT_RESET, hdev)); + return 0; +err: + picolcd_exit_leds(data); + picolcd_exit_backlight(data); + picolcd_exit_lcd(data); + picolcd_exit_framebuffer(data); + picolcd_exit_cir(data); + picolcd_exit_keys(data); + return error; +} + +static int picolcd_probe_bootloader(struct hid_device *hdev, struct picolcd_data *data) +{ + picolcd_init_devfs(data, NULL, NULL, + picolcd_out_report(REPORT_BL_READ_MEMORY, hdev), + picolcd_out_report(REPORT_BL_WRITE_MEMORY, hdev), NULL); + return 0; +} + +static int picolcd_probe(struct hid_device *hdev, + const struct hid_device_id *id) +{ + struct picolcd_data *data; + int error = -ENOMEM; + + dbg_hid(PICOLCD_NAME " hardware probe...\n"); + + /* + * Let's allocate the picolcd data structure, set some reasonable + * defaults, and associate it with the device + */ + data = kzalloc(sizeof(struct picolcd_data), GFP_KERNEL); + if (data == NULL) { + hid_err(hdev, "can't allocate space for Minibox PicoLCD device data\n"); + error = -ENOMEM; + goto err_no_cleanup; + } + + spin_lock_init(&data->lock); + mutex_init(&data->mutex); + data->hdev = hdev; + data->opmode_delay = 5000; + if (hdev->product == USB_DEVICE_ID_PICOLCD_BOOTLOADER) + data->status |= PICOLCD_BOOTLOADER; + hid_set_drvdata(hdev, data); + + /* Parse the device reports and start it up */ + error = hid_parse(hdev); + if (error) { + hid_err(hdev, "device report parse failed\n"); + goto err_cleanup_data; + } + + error = hid_hw_start(hdev, 0); + if (error) { + hid_err(hdev, "hardware start failed\n"); + goto err_cleanup_data; + } + + error = hid_hw_open(hdev); + if (error) { + hid_err(hdev, "failed to open input interrupt pipe for key and IR events\n"); + goto err_cleanup_hid_hw; + } + + error = device_create_file(&hdev->dev, &dev_attr_operation_mode_delay); + if (error) { + hid_err(hdev, "failed to create sysfs attributes\n"); + goto err_cleanup_hid_ll; + } + + error = device_create_file(&hdev->dev, &dev_attr_operation_mode); + if (error) { + hid_err(hdev, "failed to create sysfs attributes\n"); + goto err_cleanup_sysfs1; + } + + if (data->status & PICOLCD_BOOTLOADER) + error = picolcd_probe_bootloader(hdev, data); + else + error = picolcd_probe_lcd(hdev, data); + if (error) + goto err_cleanup_sysfs2; + + dbg_hid(PICOLCD_NAME " activated and initialized\n"); + return 0; + +err_cleanup_sysfs2: + device_remove_file(&hdev->dev, &dev_attr_operation_mode); +err_cleanup_sysfs1: + device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); +err_cleanup_hid_ll: + hid_hw_close(hdev); +err_cleanup_hid_hw: + hid_hw_stop(hdev); +err_cleanup_data: + kfree(data); +err_no_cleanup: + hid_set_drvdata(hdev, NULL); + + return error; +} + +static void picolcd_remove(struct hid_device *hdev) +{ + struct picolcd_data *data = hid_get_drvdata(hdev); + unsigned long flags; + + dbg_hid(PICOLCD_NAME " hardware remove...\n"); + spin_lock_irqsave(&data->lock, flags); + data->status |= PICOLCD_FAILED; + spin_unlock_irqrestore(&data->lock, flags); + + picolcd_exit_devfs(data); + device_remove_file(&hdev->dev, &dev_attr_operation_mode); + device_remove_file(&hdev->dev, &dev_attr_operation_mode_delay); + hid_hw_close(hdev); + hid_hw_stop(hdev); + + /* Shortcut potential pending reply that will never arrive */ + spin_lock_irqsave(&data->lock, flags); + if (data->pending) + complete(&data->pending->ready); + spin_unlock_irqrestore(&data->lock, flags); + + /* Cleanup LED */ + picolcd_exit_leds(data); + /* Clean up the framebuffer */ + picolcd_exit_backlight(data); + picolcd_exit_lcd(data); + picolcd_exit_framebuffer(data); + /* Cleanup input */ + picolcd_exit_cir(data); + picolcd_exit_keys(data); + + hid_set_drvdata(hdev, NULL); + mutex_destroy(&data->mutex); + /* Finally, clean up the picolcd data itself */ + kfree(data); +} + +static const struct hid_device_id picolcd_devices[] = { + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) }, + { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) }, + { } +}; +MODULE_DEVICE_TABLE(hid, picolcd_devices); + +static struct hid_driver picolcd_driver = { + .name = "hid-picolcd", + .id_table = picolcd_devices, + .probe = picolcd_probe, + .remove = picolcd_remove, + .raw_event = picolcd_raw_event, +#ifdef CONFIG_PM + .suspend = picolcd_suspend, + .resume = picolcd_resume, + .reset_resume = picolcd_reset_resume, +#endif +}; + +static int __init picolcd_init(void) +{ + return hid_register_driver(&picolcd_driver); +} + +static void __exit picolcd_exit(void) +{ + hid_unregister_driver(&picolcd_driver); +} + +module_init(picolcd_init); +module_exit(picolcd_exit); +MODULE_DESCRIPTION("Minibox graphics PicoLCD Driver"); +MODULE_LICENSE("GPL v2"); diff --git a/drivers/hid/hid-picolcd_debugfs.c b/drivers/hid/hid-picolcd_debugfs.c new file mode 100644 index 000000000000..4809aa1bdb9c --- /dev/null +++ b/drivers/hid/hid-picolcd_debugfs.c @@ -0,0 +1,899 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/seq_file.h> +#include <linux/debugfs.h> + +#include <linux/module.h> +#include <linux/uaccess.h> + +#include "hid-picolcd.h" + + +static int picolcd_debug_reset_show(struct seq_file *f, void *p) +{ + if (picolcd_fbinfo((struct picolcd_data *)f->private)) + seq_printf(f, "all fb\n"); + else + seq_printf(f, "all\n"); + return 0; +} + +static int picolcd_debug_reset_open(struct inode *inode, struct file *f) +{ + return single_open(f, picolcd_debug_reset_show, inode->i_private); +} + +static ssize_t picolcd_debug_reset_write(struct file *f, const char __user *user_buf, + size_t count, loff_t *ppos) +{ + struct picolcd_data *data = ((struct seq_file *)f->private_data)->private; + char buf[32]; + size_t cnt = min(count, sizeof(buf)-1); + if (copy_from_user(buf, user_buf, cnt)) + return -EFAULT; + + while (cnt > 0 && (buf[cnt-1] == ' ' || buf[cnt-1] == '\n')) + cnt--; + buf[cnt] = '\0'; + if (strcmp(buf, "all") == 0) { + picolcd_reset(data->hdev); + picolcd_fb_reset(data, 1); + } else if (strcmp(buf, "fb") == 0) { + picolcd_fb_reset(data, 1); + } else { + return -EINVAL; + } + return count; +} + +static const struct file_operations picolcd_debug_reset_fops = { + .owner = THIS_MODULE, + .open = picolcd_debug_reset_open, + .read = seq_read, + .llseek = seq_lseek, + .write = picolcd_debug_reset_write, + .release = single_release, +}; + +/* + * The "eeprom" file + */ +static ssize_t picolcd_debug_eeprom_read(struct file *f, char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + struct picolcd_pending *resp; + u8 raw_data[3]; + ssize_t ret = -EIO; + + if (s == 0) + return -EINVAL; + if (*off > 0x0ff) + return 0; + + /* prepare buffer with info about what we want to read (addr & len) */ + raw_data[0] = *off & 0xff; + raw_data[1] = (*off >> 8) & 0xff; + raw_data[2] = s < 20 ? s : 20; + if (*off + raw_data[2] > 0xff) + raw_data[2] = 0x100 - *off; + resp = picolcd_send_and_wait(data->hdev, REPORT_EE_READ, raw_data, + sizeof(raw_data)); + if (!resp) + return -EIO; + + if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { + /* successful read :) */ + ret = resp->raw_data[2]; + if (ret > s) + ret = s; + if (copy_to_user(u, resp->raw_data+3, ret)) + ret = -EFAULT; + else + *off += ret; + } /* anything else is some kind of IO error */ + + kfree(resp); + return ret; +} + +static ssize_t picolcd_debug_eeprom_write(struct file *f, const char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + struct picolcd_pending *resp; + ssize_t ret = -EIO; + u8 raw_data[23]; + + if (s == 0) + return -EINVAL; + if (*off > 0x0ff) + return -ENOSPC; + + memset(raw_data, 0, sizeof(raw_data)); + raw_data[0] = *off & 0xff; + raw_data[1] = (*off >> 8) & 0xff; + raw_data[2] = min_t(size_t, 20, s); + if (*off + raw_data[2] > 0xff) + raw_data[2] = 0x100 - *off; + + if (copy_from_user(raw_data+3, u, min((u8)20, raw_data[2]))) + return -EFAULT; + resp = picolcd_send_and_wait(data->hdev, REPORT_EE_WRITE, raw_data, + sizeof(raw_data)); + + if (!resp) + return -EIO; + + if (resp->in_report && resp->in_report->id == REPORT_EE_DATA) { + /* check if written data matches */ + if (memcmp(raw_data, resp->raw_data, 3+raw_data[2]) == 0) { + *off += raw_data[2]; + ret = raw_data[2]; + } + } + kfree(resp); + return ret; +} + +/* + * Notes: + * - read/write happens in chunks of at most 20 bytes, it's up to userspace + * to loop in order to get more data. + * - on write errors on otherwise correct write request the bytes + * that should have been written are in undefined state. + */ +static const struct file_operations picolcd_debug_eeprom_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = picolcd_debug_eeprom_read, + .write = picolcd_debug_eeprom_write, + .llseek = generic_file_llseek, +}; + +/* + * The "flash" file + */ +/* record a flash address to buf (bounds check to be done by caller) */ +static int _picolcd_flash_setaddr(struct picolcd_data *data, u8 *buf, long off) +{ + buf[0] = off & 0xff; + buf[1] = (off >> 8) & 0xff; + if (data->addr_sz == 3) + buf[2] = (off >> 16) & 0xff; + return data->addr_sz == 2 ? 2 : 3; +} + +/* read a given size of data (bounds check to be done by caller) */ +static ssize_t _picolcd_flash_read(struct picolcd_data *data, int report_id, + char __user *u, size_t s, loff_t *off) +{ + struct picolcd_pending *resp; + u8 raw_data[4]; + ssize_t ret = 0; + int len_off, err = -EIO; + + while (s > 0) { + err = -EIO; + len_off = _picolcd_flash_setaddr(data, raw_data, *off); + raw_data[len_off] = s > 32 ? 32 : s; + resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off+1); + if (!resp || !resp->in_report) + goto skip; + if (resp->in_report->id == REPORT_MEMORY || + resp->in_report->id == REPORT_BL_READ_MEMORY) { + if (memcmp(raw_data, resp->raw_data, len_off+1) != 0) + goto skip; + if (copy_to_user(u+ret, resp->raw_data+len_off+1, raw_data[len_off])) { + err = -EFAULT; + goto skip; + } + *off += raw_data[len_off]; + s -= raw_data[len_off]; + ret += raw_data[len_off]; + err = 0; + } +skip: + kfree(resp); + if (err) + return ret > 0 ? ret : err; + } + return ret; +} + +static ssize_t picolcd_debug_flash_read(struct file *f, char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + + if (s == 0) + return -EINVAL; + if (*off > 0x05fff) + return 0; + if (*off + s > 0x05fff) + s = 0x06000 - *off; + + if (data->status & PICOLCD_BOOTLOADER) + return _picolcd_flash_read(data, REPORT_BL_READ_MEMORY, u, s, off); + else + return _picolcd_flash_read(data, REPORT_READ_MEMORY, u, s, off); +} + +/* erase block aligned to 64bytes boundary */ +static ssize_t _picolcd_flash_erase64(struct picolcd_data *data, int report_id, + loff_t *off) +{ + struct picolcd_pending *resp; + u8 raw_data[3]; + int len_off; + ssize_t ret = -EIO; + + if (*off & 0x3f) + return -EINVAL; + + len_off = _picolcd_flash_setaddr(data, raw_data, *off); + resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, len_off); + if (!resp || !resp->in_report) + goto skip; + if (resp->in_report->id == REPORT_MEMORY || + resp->in_report->id == REPORT_BL_ERASE_MEMORY) { + if (memcmp(raw_data, resp->raw_data, len_off) != 0) + goto skip; + ret = 0; + } +skip: + kfree(resp); + return ret; +} + +/* write a given size of data (bounds check to be done by caller) */ +static ssize_t _picolcd_flash_write(struct picolcd_data *data, int report_id, + const char __user *u, size_t s, loff_t *off) +{ + struct picolcd_pending *resp; + u8 raw_data[36]; + ssize_t ret = 0; + int len_off, err = -EIO; + + while (s > 0) { + err = -EIO; + len_off = _picolcd_flash_setaddr(data, raw_data, *off); + raw_data[len_off] = s > 32 ? 32 : s; + if (copy_from_user(raw_data+len_off+1, u, raw_data[len_off])) { + err = -EFAULT; + break; + } + resp = picolcd_send_and_wait(data->hdev, report_id, raw_data, + len_off+1+raw_data[len_off]); + if (!resp || !resp->in_report) + goto skip; + if (resp->in_report->id == REPORT_MEMORY || + resp->in_report->id == REPORT_BL_WRITE_MEMORY) { + if (memcmp(raw_data, resp->raw_data, len_off+1+raw_data[len_off]) != 0) + goto skip; + *off += raw_data[len_off]; + s -= raw_data[len_off]; + ret += raw_data[len_off]; + err = 0; + } +skip: + kfree(resp); + if (err) + break; + } + return ret > 0 ? ret : err; +} + +static ssize_t picolcd_debug_flash_write(struct file *f, const char __user *u, + size_t s, loff_t *off) +{ + struct picolcd_data *data = f->private_data; + ssize_t err, ret = 0; + int report_erase, report_write; + + if (s == 0) + return -EINVAL; + if (*off > 0x5fff) + return -ENOSPC; + if (s & 0x3f) + return -EINVAL; + if (*off & 0x3f) + return -EINVAL; + + if (data->status & PICOLCD_BOOTLOADER) { + report_erase = REPORT_BL_ERASE_MEMORY; + report_write = REPORT_BL_WRITE_MEMORY; + } else { + report_erase = REPORT_ERASE_MEMORY; + report_write = REPORT_WRITE_MEMORY; + } + mutex_lock(&data->mutex_flash); + while (s > 0) { + err = _picolcd_flash_erase64(data, report_erase, off); + if (err) + break; + err = _picolcd_flash_write(data, report_write, u, 64, off); + if (err < 0) + break; + ret += err; + *off += err; + s -= err; + if (err != 64) + break; + } + mutex_unlock(&data->mutex_flash); + return ret > 0 ? ret : err; +} + +/* + * Notes: + * - concurrent writing is prevented by mutex and all writes must be + * n*64 bytes and 64-byte aligned, each write being preceded by an + * ERASE which erases a 64byte block. + * If less than requested was written or an error is returned for an + * otherwise correct write request the next 64-byte block which should + * have been written is in undefined state (mostly: original, erased, + * (half-)written with write error) + * - reading can happen without special restriction + */ +static const struct file_operations picolcd_debug_flash_fops = { + .owner = THIS_MODULE, + .open = simple_open, + .read = picolcd_debug_flash_read, + .write = picolcd_debug_flash_write, + .llseek = generic_file_llseek, +}; + + +/* + * Helper code for HID report level dumping/debugging + */ +static const char * const error_codes[] = { + "success", "parameter missing", "data_missing", "block readonly", + "block not erasable", "block too big", "section overflow", + "invalid command length", "invalid data length", +}; + +static void dump_buff_as_hex(char *dst, size_t dst_sz, const u8 *data, + const size_t data_len) +{ + int i, j; + for (i = j = 0; i < data_len && j + 4 < dst_sz; i++) { + dst[j++] = hex_asc[(data[i] >> 4) & 0x0f]; + dst[j++] = hex_asc[data[i] & 0x0f]; + dst[j++] = ' '; + } + dst[j] = '\0'; + if (j > 0) + dst[j-1] = '\n'; + if (i < data_len && j > 2) + dst[j-2] = dst[j-3] = '.'; +} + +void picolcd_debug_out_report(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report) +{ + u8 raw_data[70]; + int raw_size = (report->size >> 3) + 1; + char *buff; +#define BUFF_SZ 256 + + /* Avoid unnecessary overhead if debugfs is disabled */ + if (list_empty(&hdev->debug_list)) + return; + + buff = kmalloc(BUFF_SZ, GFP_ATOMIC); + if (!buff) + return; + + snprintf(buff, BUFF_SZ, "\nout report %d (size %d) = ", + report->id, raw_size); + hid_debug_event(hdev, buff); + if (raw_size + 5 > sizeof(raw_data)) { + kfree(buff); + hid_debug_event(hdev, " TOO BIG\n"); + return; + } else { + raw_data[0] = report->id; + hid_output_report(report, raw_data); + dump_buff_as_hex(buff, BUFF_SZ, raw_data, raw_size); + hid_debug_event(hdev, buff); + } + + switch (report->id) { + case REPORT_LED_STATE: + /* 1 data byte with GPO state */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LED_STATE", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tGPO state: 0x%02x\n", raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_BRIGHTNESS: + /* 1 data byte with brightness */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_BRIGHTNESS", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tBrightness: 0x%02x\n", raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_CONTRAST: + /* 1 data byte with contrast */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_CONTRAST", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tContrast: 0x%02x\n", raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_RESET: + /* 2 data bytes with reset duration in ms */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_RESET", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tDuration: 0x%02x%02x (%dms)\n", + raw_data[2], raw_data[1], raw_data[2] << 8 | raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_LCD_CMD: + /* 63 data bytes with LCD commands */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LCD_CMD", report->id, raw_size-1); + hid_debug_event(hdev, buff); + /* TODO: format decoding */ + break; + case REPORT_LCD_DATA: + /* 63 data bytes with LCD data */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LCD_CMD", report->id, raw_size-1); + /* TODO: format decoding */ + hid_debug_event(hdev, buff); + break; + case REPORT_LCD_CMD_DATA: + /* 63 data bytes with LCD commands and data */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_LCD_CMD", report->id, raw_size-1); + /* TODO: format decoding */ + hid_debug_event(hdev, buff); + break; + case REPORT_EE_READ: + /* 3 data bytes with read area description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_EE_READ", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + break; + case REPORT_EE_WRITE: + /* 3+1..20 data bytes with write area description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_EE_WRITE", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[3] + 4 <= raw_size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_ERASE_MEMORY: + case REPORT_BL_ERASE_MEMORY: + /* 3 data bytes with pointer inside erase block */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_ERASE_MEMORY", report->id, raw_size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + break; + case 3: + snprintf(buff, BUFF_SZ, "\tAddress inside 64 byte block: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_READ_MEMORY: + case REPORT_BL_READ_MEMORY: + /* 4 data bytes with read area description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_READ_MEMORY", report->id, raw_size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + break; + case 3: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_WRITE_MEMORY: + case REPORT_BL_WRITE_MEMORY: + /* 4+1..32 data bytes with write adrea description */ + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_WRITE_MEMORY", report->id, raw_size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[3] + 4 <= raw_size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + case 3: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); + hid_debug_event(hdev, buff); + if (raw_data[4] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[4] + 5 <= raw_size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_SPLASH_RESTART: + /* TODO */ + break; + case REPORT_EXIT_KEYBOARD: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_EXIT_KEYBOARD", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", + raw_data[1] | (raw_data[2] << 8), + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_VERSION: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_VERSION", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_DEVID: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_DEVID", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_SPLASH_SIZE: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_SPLASH_SIZE", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_HOOK_VERSION: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_HOOK_VERSION", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + case REPORT_EXIT_FLASHER: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "REPORT_VERSION", report->id, raw_size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tRestart delay: %dms (0x%02x%02x)\n", + raw_data[1] | (raw_data[2] << 8), + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + default: + snprintf(buff, BUFF_SZ, "out report %s (%d, size=%d)\n", + "<unknown>", report->id, raw_size-1); + hid_debug_event(hdev, buff); + break; + } + wake_up_interruptible(&hdev->debug_wait); + kfree(buff); +} + +void picolcd_debug_raw_event(struct picolcd_data *data, + struct hid_device *hdev, struct hid_report *report, + u8 *raw_data, int size) +{ + char *buff; + +#define BUFF_SZ 256 + /* Avoid unnecessary overhead if debugfs is disabled */ + if (list_empty(&hdev->debug_list)) + return; + + buff = kmalloc(BUFF_SZ, GFP_ATOMIC); + if (!buff) + return; + + switch (report->id) { + case REPORT_ERROR_CODE: + /* 2 data bytes with affected report and error code */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_ERROR_CODE", report->id, size-1); + hid_debug_event(hdev, buff); + if (raw_data[2] < ARRAY_SIZE(error_codes)) + snprintf(buff, BUFF_SZ, "\tError code 0x%02x (%s) in reply to report 0x%02x\n", + raw_data[2], error_codes[raw_data[2]], raw_data[1]); + else + snprintf(buff, BUFF_SZ, "\tError code 0x%02x in reply to report 0x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_KEY_STATE: + /* 2 data bytes with key state */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_KEY_STATE", report->id, size-1); + hid_debug_event(hdev, buff); + if (raw_data[1] == 0) + snprintf(buff, BUFF_SZ, "\tNo key pressed\n"); + else if (raw_data[2] == 0) + snprintf(buff, BUFF_SZ, "\tOne key pressed: 0x%02x (%d)\n", + raw_data[1], raw_data[1]); + else + snprintf(buff, BUFF_SZ, "\tTwo keys pressed: 0x%02x (%d), 0x%02x (%d)\n", + raw_data[1], raw_data[1], raw_data[2], raw_data[2]); + hid_debug_event(hdev, buff); + break; + case REPORT_IR_DATA: + /* Up to 20 byes of IR scancode data */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_IR_DATA", report->id, size-1); + hid_debug_event(hdev, buff); + if (raw_data[1] == 0) { + snprintf(buff, BUFF_SZ, "\tUnexpectedly 0 data length\n"); + hid_debug_event(hdev, buff); + } else if (raw_data[1] + 1 <= size) { + snprintf(buff, BUFF_SZ, "\tData length: %d\n\tIR Data: ", + raw_data[1]); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+2, raw_data[1]); + hid_debug_event(hdev, buff); + } else { + snprintf(buff, BUFF_SZ, "\tOverflowing data length: %d\n", + raw_data[1]-1); + hid_debug_event(hdev, buff); + } + break; + case REPORT_EE_DATA: + /* Data buffer in response to REPORT_EE_READ or REPORT_EE_WRITE */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_EE_DATA", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + hid_debug_event(hdev, buff); + } else if (raw_data[3] + 4 <= size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + hid_debug_event(hdev, buff); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + hid_debug_event(hdev, buff); + } + break; + case REPORT_MEMORY: + /* Data buffer in response to REPORT_READ_MEMORY or REPORT_WRTIE_MEMORY */ + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + switch (data->addr_sz) { + case 2: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[3]); + hid_debug_event(hdev, buff); + if (raw_data[3] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[3] + 4 <= size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+4, raw_data[3]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + case 3: + snprintf(buff, BUFF_SZ, "\tData address: 0x%02x%02x%02x\n", + raw_data[3], raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tData length: %d\n", raw_data[4]); + hid_debug_event(hdev, buff); + if (raw_data[4] == 0) { + snprintf(buff, BUFF_SZ, "\tNo data\n"); + } else if (raw_data[4] + 5 <= size) { + snprintf(buff, BUFF_SZ, "\tData: "); + hid_debug_event(hdev, buff); + dump_buff_as_hex(buff, BUFF_SZ, raw_data+5, raw_data[4]); + } else { + snprintf(buff, BUFF_SZ, "\tData overflowed\n"); + } + break; + default: + snprintf(buff, BUFF_SZ, "\tNot supported\n"); + } + hid_debug_event(hdev, buff); + break; + case REPORT_VERSION: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_VERSION", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", + raw_data[2], raw_data[1]); + hid_debug_event(hdev, buff); + break; + case REPORT_BL_ERASE_MEMORY: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_BL_ERASE_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + /* TODO */ + break; + case REPORT_BL_READ_MEMORY: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_BL_READ_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + /* TODO */ + break; + case REPORT_BL_WRITE_MEMORY: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_BL_WRITE_MEMORY", report->id, size-1); + hid_debug_event(hdev, buff); + /* TODO */ + break; + case REPORT_DEVID: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_DEVID", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tSerial: 0x%02x%02x%02x%02x\n", + raw_data[1], raw_data[2], raw_data[3], raw_data[4]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tType: 0x%02x\n", + raw_data[5]); + hid_debug_event(hdev, buff); + break; + case REPORT_SPLASH_SIZE: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_SPLASH_SIZE", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tTotal splash space: %d\n", + (raw_data[2] << 8) | raw_data[1]); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tUsed splash space: %d\n", + (raw_data[4] << 8) | raw_data[3]); + hid_debug_event(hdev, buff); + break; + case REPORT_HOOK_VERSION: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "REPORT_HOOK_VERSION", report->id, size-1); + hid_debug_event(hdev, buff); + snprintf(buff, BUFF_SZ, "\tFirmware version: %d.%d\n", + raw_data[1], raw_data[2]); + hid_debug_event(hdev, buff); + break; + default: + snprintf(buff, BUFF_SZ, "report %s (%d, size=%d)\n", + "<unknown>", report->id, size-1); + hid_debug_event(hdev, buff); + break; + } + wake_up_interruptible(&hdev->debug_wait); + kfree(buff); +} + +void picolcd_init_devfs(struct picolcd_data *data, + struct hid_report *eeprom_r, struct hid_report *eeprom_w, + struct hid_report *flash_r, struct hid_report *flash_w, + struct hid_report *reset) +{ + struct hid_device *hdev = data->hdev; + + mutex_init(&data->mutex_flash); + + /* reset */ + if (reset) + data->debug_reset = debugfs_create_file("reset", 0600, + hdev->debug_dir, data, &picolcd_debug_reset_fops); + + /* eeprom */ + if (eeprom_r || eeprom_w) + data->debug_eeprom = debugfs_create_file("eeprom", + (eeprom_w ? S_IWUSR : 0) | (eeprom_r ? S_IRUSR : 0), + hdev->debug_dir, data, &picolcd_debug_eeprom_fops); + + /* flash */ + if (flash_r && flash_r->maxfield == 1 && flash_r->field[0]->report_size == 8) + data->addr_sz = flash_r->field[0]->report_count - 1; + else + data->addr_sz = -1; + if (data->addr_sz == 2 || data->addr_sz == 3) { + data->debug_flash = debugfs_create_file("flash", + (flash_w ? S_IWUSR : 0) | (flash_r ? S_IRUSR : 0), + hdev->debug_dir, data, &picolcd_debug_flash_fops); + } else if (flash_r || flash_w) + hid_warn(hdev, "Unexpected FLASH access reports, please submit rdesc for review\n"); +} + +void picolcd_exit_devfs(struct picolcd_data *data) +{ + struct dentry *dent; + + dent = data->debug_reset; + data->debug_reset = NULL; + if (dent) + debugfs_remove(dent); + dent = data->debug_eeprom; + data->debug_eeprom = NULL; + if (dent) + debugfs_remove(dent); + dent = data->debug_flash; + data->debug_flash = NULL; + if (dent) + debugfs_remove(dent); + mutex_destroy(&data->mutex_flash); +} + diff --git a/drivers/hid/hid-picolcd_fb.c b/drivers/hid/hid-picolcd_fb.c new file mode 100644 index 000000000000..0008a512211d --- /dev/null +++ b/drivers/hid/hid-picolcd_fb.c @@ -0,0 +1,615 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/vmalloc.h> +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/module.h> + +#include "hid-picolcd.h" + +/* Framebuffer + * + * The PicoLCD use a Topway LCD module of 256x64 pixel + * This display area is tiled over 4 controllers with 8 tiles + * each. Each tile has 8x64 pixel, each data byte representing + * a 1-bit wide vertical line of the tile. + * + * The display can be updated at a tile granularity. + * + * Chip 1 Chip 2 Chip 3 Chip 4 + * +----------------+----------------+----------------+----------------+ + * | Tile 1 | Tile 1 | Tile 1 | Tile 1 | + * +----------------+----------------+----------------+----------------+ + * | Tile 2 | Tile 2 | Tile 2 | Tile 2 | + * +----------------+----------------+----------------+----------------+ + * ... + * +----------------+----------------+----------------+----------------+ + * | Tile 8 | Tile 8 | Tile 8 | Tile 8 | + * +----------------+----------------+----------------+----------------+ + */ +#define PICOLCDFB_NAME "picolcdfb" +#define PICOLCDFB_WIDTH (256) +#define PICOLCDFB_HEIGHT (64) +#define PICOLCDFB_SIZE (PICOLCDFB_WIDTH * PICOLCDFB_HEIGHT / 8) + +#define PICOLCDFB_UPDATE_RATE_LIMIT 10 +#define PICOLCDFB_UPDATE_RATE_DEFAULT 2 + +/* Framebuffer visual structures */ +static const struct fb_fix_screeninfo picolcdfb_fix = { + .id = PICOLCDFB_NAME, + .type = FB_TYPE_PACKED_PIXELS, + .visual = FB_VISUAL_MONO01, + .xpanstep = 0, + .ypanstep = 0, + .ywrapstep = 0, + .line_length = PICOLCDFB_WIDTH / 8, + .accel = FB_ACCEL_NONE, +}; + +static const struct fb_var_screeninfo picolcdfb_var = { + .xres = PICOLCDFB_WIDTH, + .yres = PICOLCDFB_HEIGHT, + .xres_virtual = PICOLCDFB_WIDTH, + .yres_virtual = PICOLCDFB_HEIGHT, + .width = 103, + .height = 26, + .bits_per_pixel = 1, + .grayscale = 1, + .red = { + .offset = 0, + .length = 1, + .msb_right = 0, + }, + .green = { + .offset = 0, + .length = 1, + .msb_right = 0, + }, + .blue = { + .offset = 0, + .length = 1, + .msb_right = 0, + }, + .transp = { + .offset = 0, + .length = 0, + .msb_right = 0, + }, +}; + +/* Send a given tile to PicoLCD */ +static int picolcd_fb_send_tile(struct picolcd_data *data, u8 *vbitmap, + int chip, int tile) +{ + struct hid_report *report1, *report2; + unsigned long flags; + u8 *tdata; + int i; + + report1 = picolcd_out_report(REPORT_LCD_CMD_DATA, data->hdev); + if (!report1 || report1->maxfield != 1) + return -ENODEV; + report2 = picolcd_out_report(REPORT_LCD_DATA, data->hdev); + if (!report2 || report2->maxfield != 1) + return -ENODEV; + + spin_lock_irqsave(&data->lock, flags); + if ((data->status & PICOLCD_FAILED)) { + spin_unlock_irqrestore(&data->lock, flags); + return -ENODEV; + } + hid_set_field(report1->field[0], 0, chip << 2); + hid_set_field(report1->field[0], 1, 0x02); + hid_set_field(report1->field[0], 2, 0x00); + hid_set_field(report1->field[0], 3, 0x00); + hid_set_field(report1->field[0], 4, 0xb8 | tile); + hid_set_field(report1->field[0], 5, 0x00); + hid_set_field(report1->field[0], 6, 0x00); + hid_set_field(report1->field[0], 7, 0x40); + hid_set_field(report1->field[0], 8, 0x00); + hid_set_field(report1->field[0], 9, 0x00); + hid_set_field(report1->field[0], 10, 32); + + hid_set_field(report2->field[0], 0, (chip << 2) | 0x01); + hid_set_field(report2->field[0], 1, 0x00); + hid_set_field(report2->field[0], 2, 0x00); + hid_set_field(report2->field[0], 3, 32); + + tdata = vbitmap + (tile * 4 + chip) * 64; + for (i = 0; i < 64; i++) + if (i < 32) + hid_set_field(report1->field[0], 11 + i, tdata[i]); + else + hid_set_field(report2->field[0], 4 + i - 32, tdata[i]); + + usbhid_submit_report(data->hdev, report1, USB_DIR_OUT); + usbhid_submit_report(data->hdev, report2, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +/* Translate a single tile*/ +static int picolcd_fb_update_tile(u8 *vbitmap, const u8 *bitmap, int bpp, + int chip, int tile) +{ + int i, b, changed = 0; + u8 tdata[64]; + u8 *vdata = vbitmap + (tile * 4 + chip) * 64; + + if (bpp == 1) { + for (b = 7; b >= 0; b--) { + const u8 *bdata = bitmap + tile * 256 + chip * 8 + b * 32; + for (i = 0; i < 64; i++) { + tdata[i] <<= 1; + tdata[i] |= (bdata[i/8] >> (i % 8)) & 0x01; + } + } + } else if (bpp == 8) { + for (b = 7; b >= 0; b--) { + const u8 *bdata = bitmap + (tile * 256 + chip * 8 + b * 32) * 8; + for (i = 0; i < 64; i++) { + tdata[i] <<= 1; + tdata[i] |= (bdata[i] & 0x80) ? 0x01 : 0x00; + } + } + } else { + /* Oops, we should never get here! */ + WARN_ON(1); + return 0; + } + + for (i = 0; i < 64; i++) + if (tdata[i] != vdata[i]) { + changed = 1; + vdata[i] = tdata[i]; + } + return changed; +} + +void picolcd_fb_refresh(struct picolcd_data *data) +{ + if (data->fb_info) + schedule_delayed_work(&data->fb_info->deferred_work, 0); +} + +/* Reconfigure LCD display */ +int picolcd_fb_reset(struct picolcd_data *data, int clear) +{ + struct hid_report *report = picolcd_out_report(REPORT_LCD_CMD, data->hdev); + struct picolcd_fb_data *fbdata = data->fb_info->par; + int i, j; + unsigned long flags; + static const u8 mapcmd[8] = { 0x00, 0x02, 0x00, 0x64, 0x3f, 0x00, 0x64, 0xc0 }; + + if (!report || report->maxfield != 1) + return -ENODEV; + + spin_lock_irqsave(&data->lock, flags); + for (i = 0; i < 4; i++) { + for (j = 0; j < report->field[0]->maxusage; j++) + if (j == 0) + hid_set_field(report->field[0], j, i << 2); + else if (j < sizeof(mapcmd)) + hid_set_field(report->field[0], j, mapcmd[j]); + else + hid_set_field(report->field[0], j, 0); + usbhid_submit_report(data->hdev, report, USB_DIR_OUT); + } + spin_unlock_irqrestore(&data->lock, flags); + + if (clear) { + memset(fbdata->vbitmap, 0, PICOLCDFB_SIZE); + memset(fbdata->bitmap, 0, PICOLCDFB_SIZE*fbdata->bpp); + } + fbdata->force = 1; + + /* schedule first output of framebuffer */ + if (fbdata->ready) + schedule_delayed_work(&data->fb_info->deferred_work, 0); + else + fbdata->ready = 1; + + return 0; +} + +/* Update fb_vbitmap from the screen_base and send changed tiles to device */ +static void picolcd_fb_update(struct fb_info *info) +{ + int chip, tile, n; + unsigned long flags; + struct picolcd_fb_data *fbdata = info->par; + struct picolcd_data *data; + + mutex_lock(&info->lock); + + spin_lock_irqsave(&fbdata->lock, flags); + if (!fbdata->ready && fbdata->picolcd) + picolcd_fb_reset(fbdata->picolcd, 0); + spin_unlock_irqrestore(&fbdata->lock, flags); + + /* + * Translate the framebuffer into the format needed by the PicoLCD. + * See display layout above. + * Do this one tile after the other and push those tiles that changed. + * + * Wait for our IO to complete as otherwise we might flood the queue! + */ + n = 0; + for (chip = 0; chip < 4; chip++) + for (tile = 0; tile < 8; tile++) { + if (!fbdata->force && !picolcd_fb_update_tile( + fbdata->vbitmap, fbdata->bitmap, + fbdata->bpp, chip, tile)) + continue; + n += 2; + if (n >= HID_OUTPUT_FIFO_SIZE / 2) { + spin_lock_irqsave(&fbdata->lock, flags); + data = fbdata->picolcd; + spin_unlock_irqrestore(&fbdata->lock, flags); + mutex_unlock(&info->lock); + if (!data) + return; + usbhid_wait_io(data->hdev); + mutex_lock(&info->lock); + n = 0; + } + spin_lock_irqsave(&fbdata->lock, flags); + data = fbdata->picolcd; + spin_unlock_irqrestore(&fbdata->lock, flags); + if (!data || picolcd_fb_send_tile(data, + fbdata->vbitmap, chip, tile)) + goto out; + } + fbdata->force = false; + if (n) { + spin_lock_irqsave(&fbdata->lock, flags); + data = fbdata->picolcd; + spin_unlock_irqrestore(&fbdata->lock, flags); + mutex_unlock(&info->lock); + if (data) + usbhid_wait_io(data->hdev); + return; + } +out: + mutex_unlock(&info->lock); +} + +/* Stub to call the system default and update the image on the picoLCD */ +static void picolcd_fb_fillrect(struct fb_info *info, + const struct fb_fillrect *rect) +{ + if (!info->par) + return; + sys_fillrect(info, rect); + + schedule_delayed_work(&info->deferred_work, 0); +} + +/* Stub to call the system default and update the image on the picoLCD */ +static void picolcd_fb_copyarea(struct fb_info *info, + const struct fb_copyarea *area) +{ + if (!info->par) + return; + sys_copyarea(info, area); + + schedule_delayed_work(&info->deferred_work, 0); +} + +/* Stub to call the system default and update the image on the picoLCD */ +static void picolcd_fb_imageblit(struct fb_info *info, const struct fb_image *image) +{ + if (!info->par) + return; + sys_imageblit(info, image); + + schedule_delayed_work(&info->deferred_work, 0); +} + +/* + * this is the slow path from userspace. they can seek and write to + * the fb. it's inefficient to do anything less than a full screen draw + */ +static ssize_t picolcd_fb_write(struct fb_info *info, const char __user *buf, + size_t count, loff_t *ppos) +{ + ssize_t ret; + if (!info->par) + return -ENODEV; + ret = fb_sys_write(info, buf, count, ppos); + if (ret >= 0) + schedule_delayed_work(&info->deferred_work, 0); + return ret; +} + +static int picolcd_fb_blank(int blank, struct fb_info *info) +{ + /* We let fb notification do this for us via lcd/backlight device */ + return 0; +} + +static void picolcd_fb_destroy(struct fb_info *info) +{ + struct picolcd_fb_data *fbdata = info->par; + + /* make sure no work is deferred */ + fb_deferred_io_cleanup(info); + + /* No thridparty should ever unregister our framebuffer! */ + WARN_ON(fbdata->picolcd != NULL); + + vfree((u8 *)info->fix.smem_start); + framebuffer_release(info); +} + +static int picolcd_fb_check_var(struct fb_var_screeninfo *var, struct fb_info *info) +{ + __u32 bpp = var->bits_per_pixel; + __u32 activate = var->activate; + + /* only allow 1/8 bit depth (8-bit is grayscale) */ + *var = picolcdfb_var; + var->activate = activate; + if (bpp >= 8) { + var->bits_per_pixel = 8; + var->red.length = 8; + var->green.length = 8; + var->blue.length = 8; + } else { + var->bits_per_pixel = 1; + var->red.length = 1; + var->green.length = 1; + var->blue.length = 1; + } + return 0; +} + +static int picolcd_set_par(struct fb_info *info) +{ + struct picolcd_fb_data *fbdata = info->par; + u8 *tmp_fb, *o_fb; + if (info->var.bits_per_pixel == fbdata->bpp) + return 0; + /* switch between 1/8 bit depths */ + if (info->var.bits_per_pixel != 1 && info->var.bits_per_pixel != 8) + return -EINVAL; + + o_fb = fbdata->bitmap; + tmp_fb = kmalloc(PICOLCDFB_SIZE*info->var.bits_per_pixel, GFP_KERNEL); + if (!tmp_fb) + return -ENOMEM; + + /* translate FB content to new bits-per-pixel */ + if (info->var.bits_per_pixel == 1) { + int i, b; + for (i = 0; i < PICOLCDFB_SIZE; i++) { + u8 p = 0; + for (b = 0; b < 8; b++) { + p <<= 1; + p |= o_fb[i*8+b] ? 0x01 : 0x00; + } + tmp_fb[i] = p; + } + memcpy(o_fb, tmp_fb, PICOLCDFB_SIZE); + info->fix.visual = FB_VISUAL_MONO01; + info->fix.line_length = PICOLCDFB_WIDTH / 8; + } else { + int i; + memcpy(tmp_fb, o_fb, PICOLCDFB_SIZE); + for (i = 0; i < PICOLCDFB_SIZE * 8; i++) + o_fb[i] = tmp_fb[i/8] & (0x01 << (7 - i % 8)) ? 0xff : 0x00; + info->fix.visual = FB_VISUAL_DIRECTCOLOR; + info->fix.line_length = PICOLCDFB_WIDTH; + } + + kfree(tmp_fb); + fbdata->bpp = info->var.bits_per_pixel; + return 0; +} + +/* Note this can't be const because of struct fb_info definition */ +static struct fb_ops picolcdfb_ops = { + .owner = THIS_MODULE, + .fb_destroy = picolcd_fb_destroy, + .fb_read = fb_sys_read, + .fb_write = picolcd_fb_write, + .fb_blank = picolcd_fb_blank, + .fb_fillrect = picolcd_fb_fillrect, + .fb_copyarea = picolcd_fb_copyarea, + .fb_imageblit = picolcd_fb_imageblit, + .fb_check_var = picolcd_fb_check_var, + .fb_set_par = picolcd_set_par, +}; + + +/* Callback from deferred IO workqueue */ +static void picolcd_fb_deferred_io(struct fb_info *info, struct list_head *pagelist) +{ + picolcd_fb_update(info); +} + +static const struct fb_deferred_io picolcd_fb_defio = { + .delay = HZ / PICOLCDFB_UPDATE_RATE_DEFAULT, + .deferred_io = picolcd_fb_deferred_io, +}; + + +/* + * The "fb_update_rate" sysfs attribute + */ +static ssize_t picolcd_fb_update_rate_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + struct picolcd_fb_data *fbdata = data->fb_info->par; + unsigned i, fb_update_rate = fbdata->update_rate; + size_t ret = 0; + + for (i = 1; i <= PICOLCDFB_UPDATE_RATE_LIMIT; i++) + if (ret >= PAGE_SIZE) + break; + else if (i == fb_update_rate) + ret += snprintf(buf+ret, PAGE_SIZE-ret, "[%u] ", i); + else + ret += snprintf(buf+ret, PAGE_SIZE-ret, "%u ", i); + if (ret > 0) + buf[min(ret, (size_t)PAGE_SIZE)-1] = '\n'; + return ret; +} + +static ssize_t picolcd_fb_update_rate_store(struct device *dev, + struct device_attribute *attr, const char *buf, size_t count) +{ + struct picolcd_data *data = dev_get_drvdata(dev); + struct picolcd_fb_data *fbdata = data->fb_info->par; + int i; + unsigned u; + + if (count < 1 || count > 10) + return -EINVAL; + + i = sscanf(buf, "%u", &u); + if (i != 1) + return -EINVAL; + + if (u > PICOLCDFB_UPDATE_RATE_LIMIT) + return -ERANGE; + else if (u == 0) + u = PICOLCDFB_UPDATE_RATE_DEFAULT; + + fbdata->update_rate = u; + data->fb_info->fbdefio->delay = HZ / fbdata->update_rate; + return count; +} + +static DEVICE_ATTR(fb_update_rate, 0666, picolcd_fb_update_rate_show, + picolcd_fb_update_rate_store); + +/* initialize Framebuffer device */ +int picolcd_init_framebuffer(struct picolcd_data *data) +{ + struct device *dev = &data->hdev->dev; + struct fb_info *info = NULL; + struct picolcd_fb_data *fbdata = NULL; + int i, error = -ENOMEM; + u32 *palette; + + /* The extra memory is: + * - 256*u32 for pseudo_palette + * - struct fb_deferred_io + */ + info = framebuffer_alloc(256 * sizeof(u32) + + sizeof(struct fb_deferred_io) + + sizeof(struct picolcd_fb_data) + + PICOLCDFB_SIZE, dev); + if (info == NULL) { + dev_err(dev, "failed to allocate a framebuffer\n"); + goto err_nomem; + } + + info->fbdefio = info->par; + *info->fbdefio = picolcd_fb_defio; + info->par += sizeof(struct fb_deferred_io); + palette = info->par; + info->par += 256 * sizeof(u32); + for (i = 0; i < 256; i++) + palette[i] = i > 0 && i < 16 ? 0xff : 0; + info->pseudo_palette = palette; + info->fbops = &picolcdfb_ops; + info->var = picolcdfb_var; + info->fix = picolcdfb_fix; + info->fix.smem_len = PICOLCDFB_SIZE*8; + info->flags = FBINFO_FLAG_DEFAULT; + + fbdata = info->par; + spin_lock_init(&fbdata->lock); + fbdata->picolcd = data; + fbdata->update_rate = PICOLCDFB_UPDATE_RATE_DEFAULT; + fbdata->bpp = picolcdfb_var.bits_per_pixel; + fbdata->force = 1; + fbdata->vbitmap = info->par + sizeof(struct picolcd_fb_data); + fbdata->bitmap = vmalloc(PICOLCDFB_SIZE*8); + if (fbdata->bitmap == NULL) { + dev_err(dev, "can't get a free page for framebuffer\n"); + goto err_nomem; + } + info->screen_base = (char __force __iomem *)fbdata->bitmap; + info->fix.smem_start = (unsigned long)fbdata->bitmap; + memset(fbdata->vbitmap, 0xff, PICOLCDFB_SIZE); + data->fb_info = info; + + error = picolcd_fb_reset(data, 1); + if (error) { + dev_err(dev, "failed to configure display\n"); + goto err_cleanup; + } + + error = device_create_file(dev, &dev_attr_fb_update_rate); + if (error) { + dev_err(dev, "failed to create sysfs attributes\n"); + goto err_cleanup; + } + + fb_deferred_io_init(info); + error = register_framebuffer(info); + if (error) { + dev_err(dev, "failed to register framebuffer\n"); + goto err_sysfs; + } + return 0; + +err_sysfs: + device_remove_file(dev, &dev_attr_fb_update_rate); + fb_deferred_io_cleanup(info); +err_cleanup: + data->fb_info = NULL; + +err_nomem: + if (fbdata) + vfree(fbdata->bitmap); + framebuffer_release(info); + return error; +} + +void picolcd_exit_framebuffer(struct picolcd_data *data) +{ + struct fb_info *info = data->fb_info; + struct picolcd_fb_data *fbdata = info->par; + unsigned long flags; + + device_remove_file(&data->hdev->dev, &dev_attr_fb_update_rate); + + /* disconnect framebuffer from HID dev */ + spin_lock_irqsave(&fbdata->lock, flags); + fbdata->picolcd = NULL; + spin_unlock_irqrestore(&fbdata->lock, flags); + + /* make sure there is no running update - thus that fbdata->picolcd + * once obtained under lock is guaranteed not to get free() under + * the feet of the deferred work */ + flush_delayed_work_sync(&info->deferred_work); + + data->fb_info = NULL; + unregister_framebuffer(info); +} diff --git a/drivers/hid/hid-picolcd_lcd.c b/drivers/hid/hid-picolcd_lcd.c new file mode 100644 index 000000000000..2d0ddc5ac65f --- /dev/null +++ b/drivers/hid/hid-picolcd_lcd.c @@ -0,0 +1,107 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/lcd.h> + +#include "hid-picolcd.h" + +/* + * lcd class device + */ +static int picolcd_get_contrast(struct lcd_device *ldev) +{ + struct picolcd_data *data = lcd_get_data(ldev); + return data->lcd_contrast; +} + +static int picolcd_set_contrast(struct lcd_device *ldev, int contrast) +{ + struct picolcd_data *data = lcd_get_data(ldev); + struct hid_report *report = picolcd_out_report(REPORT_CONTRAST, data->hdev); + unsigned long flags; + + if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) + return -ENODEV; + + data->lcd_contrast = contrast & 0x0ff; + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, data->lcd_contrast); + if (!(data->status & PICOLCD_FAILED)) + usbhid_submit_report(data->hdev, report, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); + return 0; +} + +static int picolcd_check_lcd_fb(struct lcd_device *ldev, struct fb_info *fb) +{ + return fb && fb == picolcd_fbinfo((struct picolcd_data *)lcd_get_data(ldev)); +} + +static struct lcd_ops picolcd_lcdops = { + .get_contrast = picolcd_get_contrast, + .set_contrast = picolcd_set_contrast, + .check_fb = picolcd_check_lcd_fb, +}; + +int picolcd_init_lcd(struct picolcd_data *data, struct hid_report *report) +{ + struct device *dev = &data->hdev->dev; + struct lcd_device *ldev; + + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 1 || + report->field[0]->report_size != 8) { + dev_err(dev, "unsupported CONTRAST report"); + return -EINVAL; + } + + ldev = lcd_device_register(dev_name(dev), dev, data, &picolcd_lcdops); + if (IS_ERR(ldev)) { + dev_err(dev, "failed to register LCD\n"); + return PTR_ERR(ldev); + } + ldev->props.max_contrast = 0x0ff; + data->lcd_contrast = 0xe5; + data->lcd = ldev; + picolcd_set_contrast(ldev, 0xe5); + return 0; +} + +void picolcd_exit_lcd(struct picolcd_data *data) +{ + struct lcd_device *ldev = data->lcd; + + data->lcd = NULL; + if (ldev) + lcd_device_unregister(ldev); +} + +int picolcd_resume_lcd(struct picolcd_data *data) +{ + if (!data->lcd) + return 0; + return picolcd_set_contrast(data->lcd, data->lcd_contrast); +} + diff --git a/drivers/hid/hid-picolcd_leds.c b/drivers/hid/hid-picolcd_leds.c new file mode 100644 index 000000000000..28cb6a4f9634 --- /dev/null +++ b/drivers/hid/hid-picolcd_leds.c @@ -0,0 +1,175 @@ +/*************************************************************************** + * Copyright (C) 2010-2012 by Bruno Prémont <bonbons@linux-vserver.org> * + * * + * Based on Logitech G13 driver (v0.4) * + * Copyright (C) 2009 by Rick L. Vinyard, Jr. <rvinyard@cs.nmsu.edu> * + * * + * This program is free software: you can redistribute it and/or modify * + * it under the terms of the GNU General Public License as published by * + * the Free Software Foundation, version 2 of the License. * + * * + * This driver is distributed in the hope that it will be useful, but * + * WITHOUT ANY WARRANTY; without even the implied warranty of * + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * + * General Public License for more details. * + * * + * You should have received a copy of the GNU General Public License * + * along with this software. If not see <http://www.gnu.org/licenses/>. * + ***************************************************************************/ + +#include <linux/hid.h> +#include <linux/hid-debug.h> +#include <linux/input.h> +#include "hid-ids.h" +#include "usbhid/usbhid.h" +#include <linux/usb.h> + +#include <linux/fb.h> +#include <linux/vmalloc.h> +#include <linux/backlight.h> +#include <linux/lcd.h> + +#include <linux/leds.h> + +#include <linux/seq_file.h> +#include <linux/debugfs.h> + +#include <linux/completion.h> +#include <linux/uaccess.h> +#include <linux/module.h> + +#include "hid-picolcd.h" + + +void picolcd_leds_set(struct picolcd_data *data) +{ + struct hid_report *report; + unsigned long flags; + + if (!data->led[0]) + return; + report = picolcd_out_report(REPORT_LED_STATE, data->hdev); + if (!report || report->maxfield != 1 || report->field[0]->report_count != 1) + return; + + spin_lock_irqsave(&data->lock, flags); + hid_set_field(report->field[0], 0, data->led_state); + if (!(data->status & PICOLCD_FAILED)) + usbhid_submit_report(data->hdev, report, USB_DIR_OUT); + spin_unlock_irqrestore(&data->lock, flags); +} + +static void picolcd_led_set_brightness(struct led_classdev *led_cdev, + enum led_brightness value) +{ + struct device *dev; + struct hid_device *hdev; + struct picolcd_data *data; + int i, state = 0; + + dev = led_cdev->dev->parent; + hdev = container_of(dev, struct hid_device, dev); + data = hid_get_drvdata(hdev); + if (!data) + return; + for (i = 0; i < 8; i++) { + if (led_cdev != data->led[i]) + continue; + state = (data->led_state >> i) & 1; + if (value == LED_OFF && state) { + data->led_state &= ~(1 << i); + picolcd_leds_set(data); + } else if (value != LED_OFF && !state) { + data->led_state |= 1 << i; + picolcd_leds_set(data); + } + break; + } +} + +static enum led_brightness picolcd_led_get_brightness(struct led_classdev *led_cdev) +{ + struct device *dev; + struct hid_device *hdev; + struct picolcd_data *data; + int i, value = 0; + + dev = led_cdev->dev->parent; + hdev = container_of(dev, struct hid_device, dev); + data = hid_get_drvdata(hdev); + for (i = 0; i < 8; i++) + if (led_cdev == data->led[i]) { + value = (data->led_state >> i) & 1; + break; + } + return value ? LED_FULL : LED_OFF; +} + +int picolcd_init_leds(struct picolcd_data *data, struct hid_report *report) +{ + struct device *dev = &data->hdev->dev; + struct led_classdev *led; + size_t name_sz = strlen(dev_name(dev)) + 8; + char *name; + int i, ret = 0; + + if (!report) + return -ENODEV; + if (report->maxfield != 1 || report->field[0]->report_count != 1 || + report->field[0]->report_size != 8) { + dev_err(dev, "unsupported LED_STATE report"); + return -EINVAL; + } + + for (i = 0; i < 8; i++) { + led = kzalloc(sizeof(struct led_classdev)+name_sz, GFP_KERNEL); + if (!led) { + dev_err(dev, "can't allocate memory for LED %d\n", i); + ret = -ENOMEM; + goto err; + } + name = (void *)(&led[1]); + snprintf(name, name_sz, "%s::GPO%d", dev_name(dev), i); + led->name = name; + led->brightness = 0; + led->max_brightness = 1; + led->brightness_get = picolcd_led_get_brightness; + led->brightness_set = picolcd_led_set_brightness; + + data->led[i] = led; + ret = led_classdev_register(dev, data->led[i]); + if (ret) { + data->led[i] = NULL; + kfree(led); + dev_err(dev, "can't register LED %d\n", i); + goto err; + } + } + return 0; +err: + for (i = 0; i < 8; i++) + if (data->led[i]) { + led = data->led[i]; + data->led[i] = NULL; + led_classdev_unregister(led); + kfree(led); + } + return ret; +} + +void picolcd_exit_leds(struct picolcd_data *data) +{ + struct led_classdev *led; + int i; + + for (i = 0; i < 8; i++) { + led = data->led[i]; + data->led[i] = NULL; + if (!led) + continue; + led_classdev_unregister(led); + kfree(led); + } +} + + diff --git a/drivers/hid/hid-ps3remote.c b/drivers/hid/hid-ps3remote.c new file mode 100644 index 000000000000..03811e539d71 --- /dev/null +++ b/drivers/hid/hid-ps3remote.c @@ -0,0 +1,215 @@ +/* + * HID driver for Sony PS3 BD Remote Control + * + * Copyright (c) 2012 David Dillow <dave@thedillows.org> + * Based on a blend of the bluez fakehid user-space code by Marcel Holtmann + * and other kernel HID drivers. + */ + +/* + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License as published by the Free + * Software Foundation; either version 2 of the License, or (at your option) + * any later version. + */ + +/* NOTE: in order for the Sony PS3 BD Remote Control to be found by + * a Bluetooth host, the key combination Start+Enter has to be kept pressed + * for about 7 seconds with the Bluetooth Host Controller in discovering mode. + * + * There will be no PIN request from the device. + */ + +#include <linux/device.h> +#include <linux/hid.h> +#include <linux/module.h> + +#include "hid-ids.h" + +static __u8 ps3remote_rdesc[] = { + 0x05, 0x01, /* GUsagePage Generic Desktop */ + 0x09, 0x05, /* LUsage 0x05 [Game Pad] */ + 0xA1, 0x01, /* MCollection Application (mouse, keyboard) */ + + /* Use collection 1 for joypad buttons */ + 0xA1, 0x02, /* MCollection Logical (interrelated data) */ + + /* Ignore the 1st byte, maybe it is used for a controller + * number but it's not needed for correct operation */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x01, /* GReportCount 0x01 [1] */ + 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */ + + /* Bytes from 2nd to 4th are a bitmap for joypad buttons, for these + * buttons multiple keypresses are allowed */ + 0x05, 0x09, /* GUsagePage Button */ + 0x19, 0x01, /* LUsageMinimum 0x01 [Button 1 (primary/trigger)] */ + 0x29, 0x18, /* LUsageMaximum 0x18 [Button 24] */ + 0x14, /* GLogicalMinimum [0] */ + 0x25, 0x01, /* GLogicalMaximum 0x01 [1] */ + 0x75, 0x01, /* GReportSize 0x01 [1] */ + 0x95, 0x18, /* GReportCount 0x18 [24] */ + 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */ + + 0xC0, /* MEndCollection */ + + /* Use collection 2 for remote control buttons */ + 0xA1, 0x02, /* MCollection Logical (interrelated data) */ + + /* 5th byte is used for remote control buttons */ + 0x05, 0x09, /* GUsagePage Button */ + 0x18, /* LUsageMinimum [No button pressed] */ + 0x29, 0xFE, /* LUsageMaximum 0xFE [Button 254] */ + 0x14, /* GLogicalMinimum [0] */ + 0x26, 0xFE, 0x00, /* GLogicalMaximum 0x00FE [254] */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x01, /* GReportCount 0x01 [1] */ + 0x80, /* MInput */ + + /* Ignore bytes from 6th to 11th, 6th to 10th are always constant at + * 0xff and 11th is for press indication */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x06, /* GReportCount 0x06 [6] */ + 0x81, 0x01, /* MInput 0x01 (Const[0] Arr[1] Abs[2]) */ + + /* 12th byte is for battery strength */ + 0x05, 0x06, /* GUsagePage Generic Device Controls */ + 0x09, 0x20, /* LUsage 0x20 [Battery Strength] */ + 0x14, /* GLogicalMinimum [0] */ + 0x25, 0x05, /* GLogicalMaximum 0x05 [5] */ + 0x75, 0x08, /* GReportSize 0x08 [8] */ + 0x95, 0x01, /* GReportCount 0x01 [1] */ + 0x81, 0x02, /* MInput 0x02 (Data[0] Var[1] Abs[2]) */ + + 0xC0, /* MEndCollection */ + + 0xC0 /* MEndCollection [Game Pad] */ +}; + +static const unsigned int ps3remote_keymap_joypad_buttons[] = { + [0x01] = KEY_SELECT, + [0x02] = BTN_THUMBL, /* L3 */ + [0x03] = BTN_THUMBR, /* R3 */ + [0x04] = BTN_START, + [0x05] = KEY_UP, + [0x06] = KEY_RIGHT, + [0x07] = KEY_DOWN, + [0x08] = KEY_LEFT, + [0x09] = BTN_TL2, /* L2 */ + [0x0a] = BTN_TR2, /* R2 */ + [0x0b] = BTN_TL, /* L1 */ + [0x0c] = BTN_TR, /* R1 */ + [0x0d] = KEY_OPTION, /* options/triangle */ + [0x0e] = KEY_BACK, /* back/circle */ + [0x0f] = BTN_0, /* cross */ + [0x10] = KEY_SCREEN, /* view/square */ + [0x11] = KEY_HOMEPAGE, /* PS button */ + [0x14] = KEY_ENTER, +}; +static const unsigned int ps3remote_keymap_remote_buttons[] = { + [0x00] = KEY_1, + [0x01] = KEY_2, + [0x02] = KEY_3, + [0x03] = KEY_4, + [0x04] = KEY_5, + [0x05] = KEY_6, + [0x06] = KEY_7, + [0x07] = KEY_8, + [0x08] = KEY_9, + [0x09] = KEY_0, + [0x0e] = KEY_ESC, /* return */ + [0x0f] = KEY_CLEAR, + [0x16] = KEY_EJECTCD, + [0x1a] = KEY_MENU, /* top menu */ + [0x28] = KEY_TIME, + [0x30] = KEY_PREVIOUS, + [0x31] = KEY_NEXT, + [0x32] = KEY_PLAY, + [0x33] = KEY_REWIND, /* scan back */ + [0x34] = KEY_FORWARD, /* scan forward */ + [0x38] = KEY_STOP, + [0x39] = KEY_PAUSE, + [0x40] = KEY_CONTEXT_MENU, /* pop up/menu */ + [0x60] = KEY_FRAMEBACK, /* slow/step back */ + [0x61] = KEY_FRAMEFORWARD, /* slow/step forward */ + [0x63] = KEY_SUBTITLE, + [0x64] = KEY_AUDIO, + [0x65] = KEY_ANGLE, + [0x70] = KEY_INFO, /* display */ + [0x80] = KEY_BLUE, + [0x81] = KEY_RED, + [0x82] = KEY_GREEN, + [0x83] = KEY_YELLOW, +}; + +static __u8 *ps3remote_fixup(struct hid_device *hdev, __u8 *rdesc, + unsigned int *rsize) +{ + *rsize = sizeof(ps3remote_rdesc); + return ps3remote_rdesc; +} + +static int ps3remote_mapping(struct hid_device *hdev, struct hid_input *hi, + struct hid_field *field, struct hid_usage *usage, + unsigned long **bit, int *max) +{ + unsigned int key = usage->hid & HID_USAGE; + + if ((usage->hid & HID_USAGE_PAGE) != HID_UP_BUTTON) + return -1; + + switch (usage->collection_index) { + case 1: + if (key >= ARRAY_SIZE(ps3remote_keymap_joypad_buttons)) + return -1; + + key = ps3remote_keymap_joypad_buttons[key]; + if (!key) + return -1; + break; + case 2: + if (key >= ARRAY_SIZE(ps3remote_keymap_remote_buttons)) + return -1; + + key = ps3remote_keymap_remote_buttons[key]; + if (!key) + return -1; + break; + default: + return -1; + } + + hid_map_usage_clear(hi, usage, bit, max, EV_KEY, key); + return 1; +} + +static const struct hid_device_id ps3remote_devices[] = { + /* PS3 BD Remote Control */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) }, + /* Logitech Harmony Adapter for PS3 */ + { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) }, + { } +}; +MODULE_DEVICE_TABLE(hid, ps3remote_devices); + +static struct hid_driver ps3remote_driver = { + .name = "ps3_remote", + .id_table = ps3remote_devices, + .report_fixup = ps3remote_fixup, + .input_mapping = ps3remote_mapping, +}; + +static int __init ps3remote_init(void) +{ + return hid_register_driver(&ps3remote_driver); +} + +static void __exit ps3remote_exit(void) +{ + hid_unregister_driver(&ps3remote_driver); +} + +module_init(ps3remote_init); +module_exit(ps3remote_exit); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("David Dillow <dave@thedillows.org>, Antonio Ospite <ospite@studenti.unina.it>"); diff --git a/drivers/hid/hid-uclogic.c b/drivers/hid/hid-uclogic.c index 3aba02be1f26..2e56a1fd2375 100644 --- a/drivers/hid/hid-uclogic.c +++ b/drivers/hid/hid-uclogic.c @@ -466,6 +466,86 @@ static __u8 twhl850_rdesc_fixed2[] = { 0xC0 /* End Collection */ }; +/* + * See TWHA60 description, device and HID report descriptors at + * http://sf.net/apps/mediawiki/digimend/?title=UC-Logic_Tablet_TWHA60 + */ + +/* Size of the original descriptors of TWHA60 tablet */ +#define TWHA60_RDESC_ORIG_SIZE0 254 +#define TWHA60_RDESC_ORIG_SIZE1 139 + +/* Fixed TWHA60 report descriptor, interface 0 (stylus) */ +static __u8 twha60_rdesc_fixed0[] = { + 0x05, 0x0D, /* Usage Page (Digitizer), */ + 0x09, 0x02, /* Usage (Pen), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x09, /* Report ID (9), */ + 0x09, 0x20, /* Usage (Stylus), */ + 0xA0, /* Collection (Physical), */ + 0x75, 0x01, /* Report Size (1), */ + 0x09, 0x42, /* Usage (Tip Switch), */ + 0x09, 0x44, /* Usage (Barrel Switch), */ + 0x09, 0x46, /* Usage (Tablet Pick), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x95, 0x03, /* Report Count (3), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x04, /* Report Count (4), */ + 0x81, 0x01, /* Input (Constant), */ + 0x09, 0x32, /* Usage (In Range), */ + 0x95, 0x01, /* Report Count (1), */ + 0x81, 0x02, /* Input (Variable), */ + 0x75, 0x10, /* Report Size (16), */ + 0x95, 0x01, /* Report Count (1), */ + 0x14, /* Logical Minimum (0), */ + 0xA4, /* Push, */ + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x55, 0xFD, /* Unit Exponent (-3), */ + 0x65, 0x13, /* Unit (Inch), */ + 0x34, /* Physical Minimum (0), */ + 0x09, 0x30, /* Usage (X), */ + 0x46, 0x10, 0x27, /* Physical Maximum (10000), */ + 0x27, 0x3F, 0x9C, + 0x00, 0x00, /* Logical Maximum (39999), */ + 0x81, 0x02, /* Input (Variable), */ + 0x09, 0x31, /* Usage (Y), */ + 0x46, 0x6A, 0x18, /* Physical Maximum (6250), */ + 0x26, 0xA7, 0x61, /* Logical Maximum (24999), */ + 0x81, 0x02, /* Input (Variable), */ + 0xB4, /* Pop, */ + 0x09, 0x30, /* Usage (Tip Pressure), */ + 0x26, 0xFF, 0x03, /* Logical Maximum (1023), */ + 0x81, 0x02, /* Input (Variable), */ + 0xC0, /* End Collection, */ + 0xC0 /* End Collection */ +}; + +/* Fixed TWHA60 report descriptor, interface 1 (frame buttons) */ +static __u8 twha60_rdesc_fixed1[] = { + 0x05, 0x01, /* Usage Page (Desktop), */ + 0x09, 0x06, /* Usage (Keyboard), */ + 0xA1, 0x01, /* Collection (Application), */ + 0x85, 0x05, /* Report ID (5), */ + 0x05, 0x07, /* Usage Page (Keyboard), */ + 0x14, /* Logical Minimum (0), */ + 0x25, 0x01, /* Logical Maximum (1), */ + 0x75, 0x01, /* Report Size (1), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x01, /* Input (Constant), */ + 0x95, 0x0C, /* Report Count (12), */ + 0x19, 0x3A, /* Usage Minimum (KB F1), */ + 0x29, 0x45, /* Usage Maximum (KB F12), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x0C, /* Report Count (12), */ + 0x19, 0x68, /* Usage Minimum (KB F13), */ + 0x29, 0x73, /* Usage Maximum (KB F24), */ + 0x81, 0x02, /* Input (Variable), */ + 0x95, 0x08, /* Report Count (8), */ + 0x81, 0x01, /* Input (Constant), */ + 0xC0 /* End Collection */ +}; + static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, unsigned int *rsize) { @@ -525,6 +605,22 @@ static __u8 *uclogic_report_fixup(struct hid_device *hdev, __u8 *rdesc, break; } break; + case USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60: + switch (iface_num) { + case 0: + if (*rsize == TWHA60_RDESC_ORIG_SIZE0) { + rdesc = twha60_rdesc_fixed0; + *rsize = sizeof(twha60_rdesc_fixed0); + } + break; + case 1: + if (*rsize == TWHA60_RDESC_ORIG_SIZE1) { + rdesc = twha60_rdesc_fixed1; + *rsize = sizeof(twha60_rdesc_fixed1); + } + break; + } + break; } return rdesc; @@ -543,6 +639,8 @@ static const struct hid_device_id uclogic_devices[] = { USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) }, { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) }, + { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, + USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) }, { } }; MODULE_DEVICE_TABLE(hid, uclogic_devices); diff --git a/drivers/hid/hid-wacom.c b/drivers/hid/hid-wacom.c index fe23a1eb586b..75b970f116ee 100644 --- a/drivers/hid/hid-wacom.c +++ b/drivers/hid/hid-wacom.c @@ -33,6 +33,8 @@ #define PAD_DEVICE_ID 0x0F #define WAC_CMD_LED_CONTROL 0x20 +#define WAC_CMD_ICON_START_STOP 0x21 +#define WAC_CMD_ICON_TRANSFER 0x26 struct wacom_data { __u16 tool; @@ -69,6 +71,91 @@ static enum power_supply_property wacom_ac_props[] = { POWER_SUPPLY_PROP_SCOPE, }; +static void wacom_scramble(__u8 *image) +{ + __u16 mask; + __u16 s1; + __u16 s2; + __u16 r1 ; + __u16 r2 ; + __u16 r; + __u8 buf[256]; + int i, w, x, y, z; + + for (x = 0; x < 32; x++) { + for (y = 0; y < 8; y++) + buf[(8 * x) + (7 - y)] = image[(8 * x) + y]; + } + + /* Change 76543210 into GECA6420 as required by Intuos4 WL + * HGFEDCBA HFDB7531 + */ + for (x = 0; x < 4; x++) { + for (y = 0; y < 4; y++) { + for (z = 0; z < 8; z++) { + mask = 0x0001; + r1 = 0; + r2 = 0; + i = (x << 6) + (y << 4) + z; + s1 = buf[i]; + s2 = buf[i+8]; + for (w = 0; w < 8; w++) { + r1 |= (s1 & mask); + r2 |= (s2 & mask); + s1 <<= 1; + s2 <<= 1; + mask <<= 2; + } + r = r1 | (r2 << 1); + i = (x << 6) + (y << 4) + (z << 1); + image[i] = 0xFF & r; + image[i+1] = (0xFF00 & r) >> 8; + } + } + } +} + +static void wacom_set_image(struct hid_device *hdev, const char *image, + __u8 icon_no) +{ + __u8 rep_data[68]; + __u8 p[256]; + int ret, i, j; + + for (i = 0; i < 256; i++) + p[i] = image[i]; + + rep_data[0] = WAC_CMD_ICON_START_STOP; + rep_data[1] = 0; + ret = hdev->hid_output_raw_report(hdev, rep_data, 2, + HID_FEATURE_REPORT); + if (ret < 0) + goto err; + + rep_data[0] = WAC_CMD_ICON_TRANSFER; + rep_data[1] = icon_no & 0x07; + + wacom_scramble(p); + + for (i = 0; i < 4; i++) { + for (j = 0; j < 64; j++) + rep_data[j + 3] = p[(i << 6) + j]; + + rep_data[2] = i; + ret = hdev->hid_output_raw_report(hdev, rep_data, 67, + HID_FEATURE_REPORT); + } + + rep_data[0] = WAC_CMD_ICON_START_STOP; + rep_data[1] = 0; + + ret = hdev->hid_output_raw_report(hdev, rep_data, 2, + HID_FEATURE_REPORT); + +err: + return; +} + static void wacom_leds_set_brightness(struct led_classdev *led_dev, enum led_brightness value) { @@ -91,7 +178,10 @@ static void wacom_leds_set_brightness(struct led_classdev *led_dev, if (buf) { buf[0] = WAC_CMD_LED_CONTROL; buf[1] = led; - buf[2] = value; + buf[2] = value >> 2; + buf[3] = value; + /* use fixed brightness for OLEDs */ + buf[4] = 0x08; hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT); kfree(buf); } @@ -317,6 +407,34 @@ static ssize_t wacom_store_speed(struct device *dev, static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP, wacom_show_speed, wacom_store_speed); +#define WACOM_STORE(OLED_ID) \ +static ssize_t wacom_oled##OLED_ID##_store(struct device *dev, \ + struct device_attribute *attr, \ + const char *buf, size_t count) \ +{ \ + struct hid_device *hdev = container_of(dev, struct hid_device, \ + dev); \ + \ + if (count != 256) \ + return -EINVAL; \ + \ + wacom_set_image(hdev, buf, OLED_ID); \ + \ + return count; \ +} \ + \ +static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \ + wacom_oled##OLED_ID##_store) + +WACOM_STORE(0); +WACOM_STORE(1); +WACOM_STORE(2); +WACOM_STORE(3); +WACOM_STORE(4); +WACOM_STORE(5); +WACOM_STORE(6); +WACOM_STORE(7); + static int wacom_gr_parse_report(struct hid_device *hdev, struct wacom_data *wdata, struct input_dev *input, unsigned char *data) @@ -717,17 +835,33 @@ static int wacom_probe(struct hid_device *hdev, hid_warn(hdev, "can't create sysfs speed attribute err: %d\n", ret); +#define OLED_INIT(OLED_ID) \ + do { \ + ret = device_create_file(&hdev->dev, \ + &dev_attr_oled##OLED_ID##_img); \ + if (ret) \ + hid_warn(hdev, \ + "can't create sysfs oled attribute, err: %d\n", ret);\ + } while (0) + +OLED_INIT(0); +OLED_INIT(1); +OLED_INIT(2); +OLED_INIT(3); +OLED_INIT(4); +OLED_INIT(5); +OLED_INIT(6); +OLED_INIT(7); + wdata->features = 0; wacom_set_features(hdev, 1); if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) { sprintf(hdev->name, "%s", "Wacom Intuos4 WL"); ret = wacom_initialize_leds(hdev); - if (ret) { + if (ret) hid_warn(hdev, "can't create led attribute, err: %d\n", ret); - goto destroy_leds; - } } wdata->battery.properties = wacom_battery_props; @@ -740,8 +874,8 @@ static int wacom_probe(struct hid_device *hdev, ret = power_supply_register(&hdev->dev, &wdata->battery); if (ret) { - hid_warn(hdev, "can't create sysfs battery attribute, err: %d\n", - ret); + hid_err(hdev, "can't create sysfs battery attribute, err: %d\n", + ret); goto err_battery; } @@ -756,8 +890,8 @@ static int wacom_probe(struct hid_device *hdev, ret = power_supply_register(&hdev->dev, &wdata->ac); if (ret) { - hid_warn(hdev, - "can't create ac battery attribute, err: %d\n", ret); + hid_err(hdev, + "can't create ac battery attribute, err: %d\n", ret); goto err_ac; } @@ -767,10 +901,17 @@ static int wacom_probe(struct hid_device *hdev, err_ac: power_supply_unregister(&wdata->battery); err_battery: + wacom_destroy_leds(hdev); + device_remove_file(&hdev->dev, &dev_attr_oled0_img); + device_remove_file(&hdev->dev, &dev_attr_oled1_img); + device_remove_file(&hdev->dev, &dev_attr_oled2_img); + device_remove_file(&hdev->dev, &dev_attr_oled3_img); + device_remove_file(&hdev->dev, &dev_attr_oled4_img); + device_remove_file(&hdev->dev, &dev_attr_oled5_img); + device_remove_file(&hdev->dev, &dev_attr_oled6_img); + device_remove_file(&hdev->dev, &dev_attr_oled7_img); device_remove_file(&hdev->dev, &dev_attr_speed); hid_hw_stop(hdev); -destroy_leds: - wacom_destroy_leds(hdev); err_free: kfree(wdata); return ret; @@ -781,6 +922,14 @@ static void wacom_remove(struct hid_device *hdev) struct wacom_data *wdata = hid_get_drvdata(hdev); wacom_destroy_leds(hdev); + device_remove_file(&hdev->dev, &dev_attr_oled0_img); + device_remove_file(&hdev->dev, &dev_attr_oled1_img); + device_remove_file(&hdev->dev, &dev_attr_oled2_img); + device_remove_file(&hdev->dev, &dev_attr_oled3_img); + device_remove_file(&hdev->dev, &dev_attr_oled4_img); + device_remove_file(&hdev->dev, &dev_attr_oled5_img); + device_remove_file(&hdev->dev, &dev_attr_oled6_img); + device_remove_file(&hdev->dev, &dev_attr_oled7_img); device_remove_file(&hdev->dev, &dev_attr_speed); hid_hw_stop(hdev); diff --git a/drivers/hid/hidraw.c b/drivers/hid/hidraw.c index 3b6f7bf5a77e..c46c5f1037f4 100644 --- a/drivers/hid/hidraw.c +++ b/drivers/hid/hidraw.c @@ -42,6 +42,7 @@ static struct cdev hidraw_cdev; static struct class *hidraw_class; static struct hidraw *hidraw_table[HIDRAW_MAX_DEVICES]; static DEFINE_MUTEX(minors_lock); +static void drop_ref(struct hidraw *hid, int exists_bit); static ssize_t hidraw_read(struct file *file, char __user *buffer, size_t count, loff_t *ppos) { @@ -113,7 +114,7 @@ static ssize_t hidraw_send_report(struct file *file, const char __user *buffer, __u8 *buf; int ret = 0; - if (!hidraw_table[minor]) { + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { ret = -ENODEV; goto out; } @@ -261,7 +262,7 @@ static int hidraw_open(struct inode *inode, struct file *file) } mutex_lock(&minors_lock); - if (!hidraw_table[minor]) { + if (!hidraw_table[minor] || !hidraw_table[minor]->exist) { err = -ENODEV; goto out_unlock; } @@ -298,36 +299,12 @@ out: static int hidraw_release(struct inode * inode, struct file * file) { unsigned int minor = iminor(inode); - struct hidraw *dev; struct hidraw_list *list = file->private_data; - int ret; - int i; - - mutex_lock(&minors_lock); - if (!hidraw_table[minor]) { - ret = -ENODEV; - goto unlock; - } + drop_ref(hidraw_table[minor], 0); list_del(&list->node); - dev = hidraw_table[minor]; - if (!--dev->open) { - if (list->hidraw->exist) { - hid_hw_power(dev->hid, PM_HINT_NORMAL); - hid_hw_close(dev->hid); - } else { - kfree(list->hidraw); - } - } - - for (i = 0; i < HIDRAW_BUFFER_SIZE; ++i) - kfree(list->buffer[i].value); kfree(list); - ret = 0; -unlock: - mutex_unlock(&minors_lock); - - return ret; + return 0; } static long hidraw_ioctl(struct file *file, unsigned int cmd, @@ -529,21 +506,7 @@ EXPORT_SYMBOL_GPL(hidraw_connect); void hidraw_disconnect(struct hid_device *hid) { struct hidraw *hidraw = hid->hidraw; - - mutex_lock(&minors_lock); - hidraw->exist = 0; - - device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); - - hidraw_table[hidraw->minor] = NULL; - - if (hidraw->open) { - hid_hw_close(hid); - wake_up_interruptible(&hidraw->wait); - } else { - kfree(hidraw); - } - mutex_unlock(&minors_lock); + drop_ref(hidraw, 1); } EXPORT_SYMBOL_GPL(hidraw_disconnect); @@ -585,3 +548,23 @@ void hidraw_exit(void) unregister_chrdev_region(dev_id, HIDRAW_MAX_DEVICES); } + +static void drop_ref(struct hidraw *hidraw, int exists_bit) +{ + mutex_lock(&minors_lock); + if (exists_bit) { + hid_hw_close(hidraw->hid); + hidraw->exist = 0; + if (hidraw->open) + wake_up_interruptible(&hidraw->wait); + } else { + --hidraw->open; + } + + if (!hidraw->open && !hidraw->exist) { + device_destroy(hidraw_class, MKDEV(hidraw_major, hidraw->minor)); + hidraw_table[hidraw->minor] = NULL; + kfree(hidraw); + } + mutex_unlock(&minors_lock); +} diff --git a/drivers/hwmon/ad7314.c b/drivers/hwmon/ad7314.c index cfec802cf9ca..f915eb1c29f7 100644 --- a/drivers/hwmon/ad7314.c +++ b/drivers/hwmon/ad7314.c @@ -87,10 +87,18 @@ static ssize_t ad7314_show_temperature(struct device *dev, } } +static ssize_t ad7314_show_name(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + return sprintf(buf, "%s\n", to_spi_device(dev)->modalias); +} + +static DEVICE_ATTR(name, S_IRUGO, ad7314_show_name, NULL); static SENSOR_DEVICE_ATTR(temp1_input, S_IRUGO, ad7314_show_temperature, NULL, 0); static struct attribute *ad7314_attributes[] = { + &dev_attr_name.attr, &sensor_dev_attr_temp1_input.dev_attr.attr, NULL, }; diff --git a/drivers/hwmon/ads7871.c b/drivers/hwmon/ads7871.c index e65c6e45d36b..7bf4ce3d405e 100644 --- a/drivers/hwmon/ads7871.c +++ b/drivers/hwmon/ads7871.c @@ -139,6 +139,12 @@ static ssize_t show_voltage(struct device *dev, } } +static ssize_t ads7871_show_name(struct device *dev, + struct device_attribute *devattr, char *buf) +{ + return sprintf(buf, "%s\n", to_spi_device(dev)->modalias); +} + static SENSOR_DEVICE_ATTR(in0_input, S_IRUGO, show_voltage, NULL, 0); static SENSOR_DEVICE_ATTR(in1_input, S_IRUGO, show_voltage, NULL, 1); static SENSOR_DEVICE_ATTR(in2_input, S_IRUGO, show_voltage, NULL, 2); @@ -148,6 +154,8 @@ static SENSOR_DEVICE_ATTR(in5_input, S_IRUGO, show_voltage, NULL, 5); static SENSOR_DEVICE_ATTR(in6_input, S_IRUGO, show_voltage, NULL, 6); static SENSOR_DEVICE_ATTR(in7_input, S_IRUGO, show_voltage, NULL, 7); +static DEVICE_ATTR(name, S_IRUGO, ads7871_show_name, NULL); + static struct attribute *ads7871_attributes[] = { &sensor_dev_attr_in0_input.dev_attr.attr, &sensor_dev_attr_in1_input.dev_attr.attr, @@ -157,6 +165,7 @@ static struct attribute *ads7871_attributes[] = { &sensor_dev_attr_in5_input.dev_attr.attr, &sensor_dev_attr_in6_input.dev_attr.attr, &sensor_dev_attr_in7_input.dev_attr.attr, + &dev_attr_name.attr, NULL }; diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 282708860517..8f3f6f2c45fd 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -53,10 +53,10 @@ #define APPLESMC_MAX_DATA_LENGTH 32 -/* wait up to 32 ms for a status change. */ +/* wait up to 128 ms for a status change. */ #define APPLESMC_MIN_WAIT 0x0010 #define APPLESMC_RETRY_WAIT 0x0100 -#define APPLESMC_MAX_WAIT 0x8000 +#define APPLESMC_MAX_WAIT 0x20000 #define APPLESMC_READ_CMD 0x10 #define APPLESMC_WRITE_CMD 0x11 diff --git a/drivers/hwmon/ina2xx.c b/drivers/hwmon/ina2xx.c index 7f3f4a385729..602148299f68 100644 --- a/drivers/hwmon/ina2xx.c +++ b/drivers/hwmon/ina2xx.c @@ -69,22 +69,6 @@ struct ina2xx_data { u16 regs[INA2XX_MAX_REGISTERS]; }; -int ina2xx_read_word(struct i2c_client *client, int reg) -{ - int val = i2c_smbus_read_word_data(client, reg); - if (unlikely(val < 0)) { - dev_dbg(&client->dev, - "Failed to read register: %d\n", reg); - return val; - } - return be16_to_cpu(val); -} - -void ina2xx_write_word(struct i2c_client *client, int reg, int data) -{ - i2c_smbus_write_word_data(client, reg, cpu_to_be16(data)); -} - static struct ina2xx_data *ina2xx_update_device(struct device *dev) { struct i2c_client *client = to_i2c_client(dev); @@ -102,7 +86,7 @@ static struct ina2xx_data *ina2xx_update_device(struct device *dev) /* Read all registers */ for (i = 0; i < data->registers; i++) { - int rv = ina2xx_read_word(client, i); + int rv = i2c_smbus_read_word_swapped(client, i); if (rv < 0) { ret = ERR_PTR(rv); goto abort; @@ -279,22 +263,26 @@ static int ina2xx_probe(struct i2c_client *client, switch (data->kind) { case ina219: /* device configuration */ - ina2xx_write_word(client, INA2XX_CONFIG, INA219_CONFIG_DEFAULT); + i2c_smbus_write_word_swapped(client, INA2XX_CONFIG, + INA219_CONFIG_DEFAULT); /* set current LSB to 1mA, shunt is in uOhms */ /* (equation 13 in datasheet) */ - ina2xx_write_word(client, INA2XX_CALIBRATION, 40960000 / shunt); + i2c_smbus_write_word_swapped(client, INA2XX_CALIBRATION, + 40960000 / shunt); dev_info(&client->dev, "power monitor INA219 (Rshunt = %li uOhm)\n", shunt); data->registers = INA219_REGISTERS; break; case ina226: /* device configuration */ - ina2xx_write_word(client, INA2XX_CONFIG, INA226_CONFIG_DEFAULT); + i2c_smbus_write_word_swapped(client, INA2XX_CONFIG, + INA226_CONFIG_DEFAULT); /* set current LSB to 1mA, shunt is in uOhms */ /* (equation 1 in datasheet)*/ - ina2xx_write_word(client, INA2XX_CALIBRATION, 5120000 / shunt); + i2c_smbus_write_word_swapped(client, INA2XX_CALIBRATION, + 5120000 / shunt); dev_info(&client->dev, "power monitor INA226 (Rshunt = %li uOhm)\n", shunt); data->registers = INA226_REGISTERS; diff --git a/drivers/hwmon/twl4030-madc-hwmon.c b/drivers/hwmon/twl4030-madc-hwmon.c index 0018c7dd0097..1a174f0a3cde 100644 --- a/drivers/hwmon/twl4030-madc-hwmon.c +++ b/drivers/hwmon/twl4030-madc-hwmon.c @@ -44,12 +44,13 @@ static ssize_t madc_read(struct device *dev, struct device_attribute *devattr, char *buf) { struct sensor_device_attribute *attr = to_sensor_dev_attr(devattr); - struct twl4030_madc_request req; + struct twl4030_madc_request req = { + .channels = 1 << attr->index, + .method = TWL4030_MADC_SW2, + .type = TWL4030_MADC_WAIT, + }; long val; - req.channels = (1 << attr->index); - req.method = TWL4030_MADC_SW2; - req.func_cb = NULL; val = twl4030_madc_conversion(&req); if (val < 0) return val; diff --git a/drivers/hwspinlock/hwspinlock_core.c b/drivers/hwspinlock/hwspinlock_core.c index 1201a15784c3..db713c0dfba4 100644 --- a/drivers/hwspinlock/hwspinlock_core.c +++ b/drivers/hwspinlock/hwspinlock_core.c @@ -552,7 +552,7 @@ EXPORT_SYMBOL_GPL(hwspin_lock_request_specific); */ int hwspin_lock_free(struct hwspinlock *hwlock) { - struct device *dev = hwlock->bank->dev; + struct device *dev; struct hwspinlock *tmp; int ret; @@ -561,6 +561,7 @@ int hwspin_lock_free(struct hwspinlock *hwlock) return -EINVAL; } + dev = hwlock->bank->dev; mutex_lock(&hwspinlock_tree_lock); /* make sure the hwspinlock is used */ diff --git a/drivers/i2c/algos/i2c-algo-pca.c b/drivers/i2c/algos/i2c-algo-pca.c index 73133b1063f0..6f5f98d69af7 100644 --- a/drivers/i2c/algos/i2c-algo-pca.c +++ b/drivers/i2c/algos/i2c-algo-pca.c @@ -476,17 +476,17 @@ static int pca_init(struct i2c_adapter *adap) /* To avoid integer overflow, use clock/100 for calculations */ clock = pca_clock(pca_data) / 100; - if (pca_data->i2c_clock > 10000) { + if (pca_data->i2c_clock > 1000000) { mode = I2C_PCA_MODE_TURBO; min_tlow = 14; min_thi = 5; raise_fall_time = 22; /* Raise 11e-8s, Fall 11e-8s */ - } else if (pca_data->i2c_clock > 4000) { + } else if (pca_data->i2c_clock > 400000) { mode = I2C_PCA_MODE_FASTP; min_tlow = 17; min_thi = 9; raise_fall_time = 22; /* Raise 11e-8s, Fall 11e-8s */ - } else if (pca_data->i2c_clock > 1000) { + } else if (pca_data->i2c_clock > 100000) { mode = I2C_PCA_MODE_FAST; min_tlow = 44; min_thi = 20; diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig index b4aaa1bd6728..970a1612e795 100644 --- a/drivers/i2c/busses/Kconfig +++ b/drivers/i2c/busses/Kconfig @@ -104,6 +104,7 @@ config I2C_I801 DH89xxCC (PCH) Panther Point (PCH) Lynx Point (PCH) + Lynx Point-LP (PCH) This driver can also be built as a module. If so, the module will be called i2c-i801. @@ -354,9 +355,13 @@ config I2C_DAVINCI devices such as DaVinci NIC. For details please see http://www.ti.com/davinci +config I2C_DESIGNWARE_CORE + tristate + config I2C_DESIGNWARE_PLATFORM tristate "Synopsys DesignWare Platform" depends on HAVE_CLK + select I2C_DESIGNWARE_CORE help If you say yes to this option, support will be included for the Synopsys DesignWare I2C adapter. Only master mode is supported. @@ -367,6 +372,7 @@ config I2C_DESIGNWARE_PLATFORM config I2C_DESIGNWARE_PCI tristate "Synopsys DesignWare PCI" depends on PCI + select I2C_DESIGNWARE_CORE help If you say yes to this option, support will be included for the Synopsys DesignWare I2C adapter. Only master mode is supported. diff --git a/drivers/i2c/busses/Makefile b/drivers/i2c/busses/Makefile index ce3c2be7fb40..37c4182cc98b 100644 --- a/drivers/i2c/busses/Makefile +++ b/drivers/i2c/busses/Makefile @@ -33,10 +33,11 @@ obj-$(CONFIG_I2C_AU1550) += i2c-au1550.o obj-$(CONFIG_I2C_BLACKFIN_TWI) += i2c-bfin-twi.o obj-$(CONFIG_I2C_CPM) += i2c-cpm.o obj-$(CONFIG_I2C_DAVINCI) += i2c-davinci.o +obj-$(CONFIG_I2C_DESIGNWARE_CORE) += i2c-designware-core.o obj-$(CONFIG_I2C_DESIGNWARE_PLATFORM) += i2c-designware-platform.o -i2c-designware-platform-objs := i2c-designware-platdrv.o i2c-designware-core.o +i2c-designware-platform-objs := i2c-designware-platdrv.o obj-$(CONFIG_I2C_DESIGNWARE_PCI) += i2c-designware-pci.o -i2c-designware-pci-objs := i2c-designware-pcidrv.o i2c-designware-core.o +i2c-designware-pci-objs := i2c-designware-pcidrv.o obj-$(CONFIG_I2C_EG20T) += i2c-eg20t.o obj-$(CONFIG_I2C_GPIO) += i2c-gpio.o obj-$(CONFIG_I2C_HIGHLANDER) += i2c-highlander.o diff --git a/drivers/i2c/busses/i2c-designware-core.c b/drivers/i2c/busses/i2c-designware-core.c index 1e48bec80edf..7b8ebbefb581 100644 --- a/drivers/i2c/busses/i2c-designware-core.c +++ b/drivers/i2c/busses/i2c-designware-core.c @@ -25,6 +25,7 @@ * ---------------------------------------------------------------------------- * */ +#include <linux/export.h> #include <linux/clk.h> #include <linux/errno.h> #include <linux/err.h> @@ -316,6 +317,7 @@ int i2c_dw_init(struct dw_i2c_dev *dev) dw_writel(dev, dev->master_cfg , DW_IC_CON); return 0; } +EXPORT_SYMBOL_GPL(i2c_dw_init); /* * Waiting for bus not busy @@ -568,12 +570,14 @@ done: return ret; } +EXPORT_SYMBOL_GPL(i2c_dw_xfer); u32 i2c_dw_func(struct i2c_adapter *adap) { struct dw_i2c_dev *dev = i2c_get_adapdata(adap); return dev->functionality; } +EXPORT_SYMBOL_GPL(i2c_dw_func); static u32 i2c_dw_read_clear_intrbits(struct dw_i2c_dev *dev) { @@ -678,17 +682,20 @@ tx_aborted: return IRQ_HANDLED; } +EXPORT_SYMBOL_GPL(i2c_dw_isr); void i2c_dw_enable(struct dw_i2c_dev *dev) { /* Enable the adapter */ dw_writel(dev, 1, DW_IC_ENABLE); } +EXPORT_SYMBOL_GPL(i2c_dw_enable); u32 i2c_dw_is_enabled(struct dw_i2c_dev *dev) { return dw_readl(dev, DW_IC_ENABLE); } +EXPORT_SYMBOL_GPL(i2c_dw_is_enabled); void i2c_dw_disable(struct dw_i2c_dev *dev) { @@ -699,18 +706,22 @@ void i2c_dw_disable(struct dw_i2c_dev *dev) dw_writel(dev, 0, DW_IC_INTR_MASK); dw_readl(dev, DW_IC_CLR_INTR); } +EXPORT_SYMBOL_GPL(i2c_dw_disable); void i2c_dw_clear_int(struct dw_i2c_dev *dev) { dw_readl(dev, DW_IC_CLR_INTR); } +EXPORT_SYMBOL_GPL(i2c_dw_clear_int); void i2c_dw_disable_int(struct dw_i2c_dev *dev) { dw_writel(dev, 0, DW_IC_INTR_MASK); } +EXPORT_SYMBOL_GPL(i2c_dw_disable_int); u32 i2c_dw_read_comp_param(struct dw_i2c_dev *dev) { return dw_readl(dev, DW_IC_COMP_PARAM_1); } +EXPORT_SYMBOL_GPL(i2c_dw_read_comp_param); diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c index 898dcf9c7ade..33e9b0c09af2 100644 --- a/drivers/i2c/busses/i2c-i801.c +++ b/drivers/i2c/busses/i2c-i801.c @@ -52,6 +52,7 @@ DH89xxCC (PCH) 0x2330 32 hard yes yes yes Panther Point (PCH) 0x1e22 32 hard yes yes yes Lynx Point (PCH) 0x8c22 32 hard yes yes yes + Lynx Point-LP (PCH) 0x9c22 32 hard yes yes yes Features supported by this driver: Software PEC no @@ -155,6 +156,7 @@ #define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS 0x2330 #define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS 0x3b30 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS 0x8c22 +#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS 0x9c22 struct i801_priv { struct i2c_adapter adapter; @@ -771,6 +773,7 @@ static DEFINE_PCI_DEVICE_TABLE(i801_ids) = { { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS) }, { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS) }, + { PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS) }, { 0, } }; diff --git a/drivers/i2c/busses/i2c-mxs.c b/drivers/i2c/busses/i2c-mxs.c index 088c5c1ed17d..51f05b8520ed 100644 --- a/drivers/i2c/busses/i2c-mxs.c +++ b/drivers/i2c/busses/i2c-mxs.c @@ -365,10 +365,6 @@ static int mxs_i2c_get_ofdata(struct mxs_i2c_dev *i2c) struct device_node *node = dev->of_node; int ret; - if (!node) - return -EINVAL; - - i2c->speed = &mxs_i2c_95kHz_config; ret = of_property_read_u32(node, "clock-frequency", &speed); if (ret) dev_warn(dev, "No I2C speed selected, using 100kHz\n"); @@ -419,10 +415,13 @@ static int __devinit mxs_i2c_probe(struct platform_device *pdev) return err; i2c->dev = dev; + i2c->speed = &mxs_i2c_95kHz_config; - err = mxs_i2c_get_ofdata(i2c); - if (err) - return err; + if (dev->of_node) { + err = mxs_i2c_get_ofdata(i2c); + if (err) + return err; + } platform_set_drvdata(pdev, i2c); diff --git a/drivers/i2c/busses/i2c-pnx.c b/drivers/i2c/busses/i2c-pnx.c index 5d54416770b0..8488bddfe465 100644 --- a/drivers/i2c/busses/i2c-pnx.c +++ b/drivers/i2c/busses/i2c-pnx.c @@ -48,8 +48,9 @@ enum { mcntrl_afie = 0x00000002, mcntrl_naie = 0x00000004, mcntrl_drmie = 0x00000008, - mcntrl_daie = 0x00000020, - mcntrl_rffie = 0x00000040, + mcntrl_drsie = 0x00000010, + mcntrl_rffie = 0x00000020, + mcntrl_daie = 0x00000040, mcntrl_tffie = 0x00000080, mcntrl_reset = 0x00000100, mcntrl_cdbmode = 0x00000400, @@ -290,31 +291,37 @@ static int i2c_pnx_master_rcv(struct i2c_pnx_algo_data *alg_data) * or we didn't 'ask' for it yet. */ if (ioread32(I2C_REG_STS(alg_data)) & mstatus_rfe) { - dev_dbg(&alg_data->adapter.dev, - "%s(): Write dummy data to fill Rx-fifo...\n", - __func__); + /* 'Asking' is done asynchronously, e.g. dummy TX of several + * bytes is done before the first actual RX arrives in FIFO. + * Therefore, ordered bytes (via TX) are counted separately. + */ + if (alg_data->mif.order) { + dev_dbg(&alg_data->adapter.dev, + "%s(): Write dummy data to fill Rx-fifo...\n", + __func__); - if (alg_data->mif.len == 1) { - /* Last byte, do not acknowledge next rcv. */ - val |= stop_bit; + if (alg_data->mif.order == 1) { + /* Last byte, do not acknowledge next rcv. */ + val |= stop_bit; + + /* + * Enable interrupt RFDAIE (data in Rx fifo), + * and disable DRMIE (need data for Tx) + */ + ctl = ioread32(I2C_REG_CTL(alg_data)); + ctl |= mcntrl_rffie | mcntrl_daie; + ctl &= ~mcntrl_drmie; + iowrite32(ctl, I2C_REG_CTL(alg_data)); + } /* - * Enable interrupt RFDAIE (data in Rx fifo), - * and disable DRMIE (need data for Tx) + * Now we'll 'ask' for data: + * For each byte we want to receive, we must + * write a (dummy) byte to the Tx-FIFO. */ - ctl = ioread32(I2C_REG_CTL(alg_data)); - ctl |= mcntrl_rffie | mcntrl_daie; - ctl &= ~mcntrl_drmie; - iowrite32(ctl, I2C_REG_CTL(alg_data)); + iowrite32(val, I2C_REG_TX(alg_data)); + alg_data->mif.order--; } - - /* - * Now we'll 'ask' for data: - * For each byte we want to receive, we must - * write a (dummy) byte to the Tx-FIFO. - */ - iowrite32(val, I2C_REG_TX(alg_data)); - return 0; } @@ -514,6 +521,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) alg_data->mif.buf = pmsg->buf; alg_data->mif.len = pmsg->len; + alg_data->mif.order = pmsg->len; alg_data->mif.mode = (pmsg->flags & I2C_M_RD) ? I2C_SMBUS_READ : I2C_SMBUS_WRITE; alg_data->mif.ret = 0; @@ -566,6 +574,7 @@ i2c_pnx_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, int num) /* Cleanup to be sure... */ alg_data->mif.buf = NULL; alg_data->mif.len = 0; + alg_data->mif.order = 0; dev_dbg(&alg_data->adapter.dev, "%s(): exiting, stat = %x\n", __func__, ioread32(I2C_REG_STS(alg_data))); diff --git a/drivers/i2c/i2c-core.c b/drivers/i2c/i2c-core.c index 2efa56c5ff2c..2091ae8f539a 100644 --- a/drivers/i2c/i2c-core.c +++ b/drivers/i2c/i2c-core.c @@ -637,6 +637,22 @@ static void i2c_adapter_dev_release(struct device *dev) } /* + * This function is only needed for mutex_lock_nested, so it is never + * called unless locking correctness checking is enabled. Thus we + * make it inline to avoid a compiler warning. That's what gcc ends up + * doing anyway. + */ +static inline unsigned int i2c_adapter_depth(struct i2c_adapter *adapter) +{ + unsigned int depth = 0; + + while ((adapter = i2c_parent_is_i2c_adapter(adapter))) + depth++; + + return depth; +} + +/* * Let users instantiate I2C devices through sysfs. This can be used when * platform initialization code doesn't contain the proper data for * whatever reason. Also useful for drivers that do device detection and @@ -726,7 +742,8 @@ i2c_sysfs_delete_device(struct device *dev, struct device_attribute *attr, /* Make sure the device was added through sysfs */ res = -ENOENT; - mutex_lock(&adap->userspace_clients_lock); + mutex_lock_nested(&adap->userspace_clients_lock, + i2c_adapter_depth(adap)); list_for_each_entry_safe(client, next, &adap->userspace_clients, detected) { if (client->addr == addr) { @@ -1073,7 +1090,8 @@ int i2c_del_adapter(struct i2c_adapter *adap) return res; /* Remove devices instantiated from sysfs */ - mutex_lock(&adap->userspace_clients_lock); + mutex_lock_nested(&adap->userspace_clients_lock, + i2c_adapter_depth(adap)); list_for_each_entry_safe(client, next, &adap->userspace_clients, detected) { dev_dbg(&adap->dev, "Removing %s at 0x%x\n", client->name, diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c index f61780a02374..3bd5540238a7 100644 --- a/drivers/iio/adc/at91_adc.c +++ b/drivers/iio/adc/at91_adc.c @@ -617,7 +617,7 @@ static int __devinit at91_adc_probe(struct platform_device *pdev) st->adc_clk = clk_get(&pdev->dev, "adc_op_clk"); if (IS_ERR(st->adc_clk)) { dev_err(&pdev->dev, "Failed to get the ADC clock.\n"); - ret = PTR_ERR(st->clk); + ret = PTR_ERR(st->adc_clk); goto error_disable_clk; } diff --git a/drivers/infiniband/hw/cxgb4/cm.c b/drivers/infiniband/hw/cxgb4/cm.c index 51f42061dae9..6cfd4d8fd0bd 100644 --- a/drivers/infiniband/hw/cxgb4/cm.c +++ b/drivers/infiniband/hw/cxgb4/cm.c @@ -1361,11 +1361,11 @@ static int abort_rpl(struct c4iw_dev *dev, struct sk_buff *skb) struct tid_info *t = dev->rdev.lldi.tids; ep = lookup_tid(t, tid); - PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid); if (!ep) { printk(KERN_WARNING MOD "Abort rpl to freed endpoint\n"); return 0; } + PDBG("%s ep %p tid %u\n", __func__, ep, ep->hwtid); mutex_lock(&ep->com.mutex); switch (ep->com.state) { case ABORTING: diff --git a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c index cb5b7f7d4d38..b29a4246ef41 100644 --- a/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c +++ b/drivers/infiniband/hw/ocrdma/ocrdma_verbs.c @@ -2219,7 +2219,6 @@ static bool ocrdma_poll_success_scqe(struct ocrdma_qp *qp, u32 wqe_idx; if (!qp->wqe_wr_id_tbl[tail].signaled) { - expand = true; /* CQE cannot be consumed yet */ *polled = false; /* WC cannot be consumed yet */ } else { ibwc->status = IB_WC_SUCCESS; @@ -2227,10 +2226,11 @@ static bool ocrdma_poll_success_scqe(struct ocrdma_qp *qp, ibwc->qp = &qp->ibqp; ocrdma_update_wc(qp, ibwc, tail); *polled = true; - wqe_idx = le32_to_cpu(cqe->wq.wqeidx) & OCRDMA_CQE_WQEIDX_MASK; - if (tail != wqe_idx) - expand = true; /* Coalesced CQE can't be consumed yet */ } + wqe_idx = le32_to_cpu(cqe->wq.wqeidx) & OCRDMA_CQE_WQEIDX_MASK; + if (tail != wqe_idx) + expand = true; /* Coalesced CQE can't be consumed yet */ + ocrdma_hwq_inc_tail(&qp->sq); return expand; } diff --git a/drivers/infiniband/hw/qib/qib_mad.c b/drivers/infiniband/hw/qib/qib_mad.c index 19f1e6c45fb6..ccb119143d20 100644 --- a/drivers/infiniband/hw/qib/qib_mad.c +++ b/drivers/infiniband/hw/qib/qib_mad.c @@ -471,9 +471,10 @@ static int subn_get_portinfo(struct ib_smp *smp, struct ib_device *ibdev, if (port_num != port) { ibp = to_iport(ibdev, port_num); ret = check_mkey(ibp, smp, 0); - if (ret) + if (ret) { ret = IB_MAD_RESULT_FAILURE; goto bail; + } } } diff --git a/drivers/infiniband/ulp/ipoib/ipoib.h b/drivers/infiniband/ulp/ipoib/ipoib.h index ca43901ed861..0af216d21f87 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib.h +++ b/drivers/infiniband/ulp/ipoib/ipoib.h @@ -262,7 +262,10 @@ struct ipoib_ethtool_st { u16 max_coalesced_frames; }; +struct ipoib_neigh_table; + struct ipoib_neigh_hash { + struct ipoib_neigh_table *ntbl; struct ipoib_neigh __rcu **buckets; struct rcu_head rcu; u32 mask; @@ -271,9 +274,9 @@ struct ipoib_neigh_hash { struct ipoib_neigh_table { struct ipoib_neigh_hash __rcu *htbl; - rwlock_t rwlock; atomic_t entries; struct completion flushed; + struct completion deleted; }; /* diff --git a/drivers/infiniband/ulp/ipoib/ipoib_main.c b/drivers/infiniband/ulp/ipoib/ipoib_main.c index 3e2085a3ee47..1e19b5ae7c47 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_main.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_main.c @@ -546,15 +546,15 @@ static void neigh_add_path(struct sk_buff *skb, u8 *daddr, struct ipoib_neigh *neigh; unsigned long flags; + spin_lock_irqsave(&priv->lock, flags); neigh = ipoib_neigh_alloc(daddr, dev); if (!neigh) { + spin_unlock_irqrestore(&priv->lock, flags); ++dev->stats.tx_dropped; dev_kfree_skb_any(skb); return; } - spin_lock_irqsave(&priv->lock, flags); - path = __path_find(dev, daddr + 4); if (!path) { path = path_rec_create(dev, daddr + 4); @@ -863,10 +863,10 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv) if (test_bit(IPOIB_STOP_NEIGH_GC, &priv->flags)) return; - write_lock_bh(&ntbl->rwlock); + spin_lock_irqsave(&priv->lock, flags); htbl = rcu_dereference_protected(ntbl->htbl, - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); if (!htbl) goto out_unlock; @@ -883,16 +883,14 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv) struct ipoib_neigh __rcu **np = &htbl->buckets[i]; while ((neigh = rcu_dereference_protected(*np, - lockdep_is_held(&ntbl->rwlock))) != NULL) { + lockdep_is_held(&priv->lock))) != NULL) { /* was the neigh idle for two GC periods */ if (time_after(neigh_obsolete, neigh->alive)) { rcu_assign_pointer(*np, rcu_dereference_protected(neigh->hnext, - lockdep_is_held(&ntbl->rwlock))); + lockdep_is_held(&priv->lock))); /* remove from path/mc list */ - spin_lock_irqsave(&priv->lock, flags); list_del(&neigh->list); - spin_unlock_irqrestore(&priv->lock, flags); call_rcu(&neigh->rcu, ipoib_neigh_reclaim); } else { np = &neigh->hnext; @@ -902,7 +900,7 @@ static void __ipoib_reap_neigh(struct ipoib_dev_priv *priv) } out_unlock: - write_unlock_bh(&ntbl->rwlock); + spin_unlock_irqrestore(&priv->lock, flags); } static void ipoib_reap_neigh(struct work_struct *work) @@ -947,10 +945,8 @@ struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr, struct ipoib_neigh *neigh; u32 hash_val; - write_lock_bh(&ntbl->rwlock); - htbl = rcu_dereference_protected(ntbl->htbl, - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); if (!htbl) { neigh = NULL; goto out_unlock; @@ -961,10 +957,10 @@ struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr, */ hash_val = ipoib_addr_hash(htbl, daddr); for (neigh = rcu_dereference_protected(htbl->buckets[hash_val], - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); neigh != NULL; neigh = rcu_dereference_protected(neigh->hnext, - lockdep_is_held(&ntbl->rwlock))) { + lockdep_is_held(&priv->lock))) { if (memcmp(daddr, neigh->daddr, INFINIBAND_ALEN) == 0) { /* found, take one ref on behalf of the caller */ if (!atomic_inc_not_zero(&neigh->refcnt)) { @@ -987,12 +983,11 @@ struct ipoib_neigh *ipoib_neigh_alloc(u8 *daddr, /* put in hash */ rcu_assign_pointer(neigh->hnext, rcu_dereference_protected(htbl->buckets[hash_val], - lockdep_is_held(&ntbl->rwlock))); + lockdep_is_held(&priv->lock))); rcu_assign_pointer(htbl->buckets[hash_val], neigh); atomic_inc(&ntbl->entries); out_unlock: - write_unlock_bh(&ntbl->rwlock); return neigh; } @@ -1040,35 +1035,29 @@ void ipoib_neigh_free(struct ipoib_neigh *neigh) struct ipoib_neigh *n; u32 hash_val; - write_lock_bh(&ntbl->rwlock); - htbl = rcu_dereference_protected(ntbl->htbl, - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); if (!htbl) - goto out_unlock; + return; hash_val = ipoib_addr_hash(htbl, neigh->daddr); np = &htbl->buckets[hash_val]; for (n = rcu_dereference_protected(*np, - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); n != NULL; n = rcu_dereference_protected(*np, - lockdep_is_held(&ntbl->rwlock))) { + lockdep_is_held(&priv->lock))) { if (n == neigh) { /* found */ rcu_assign_pointer(*np, rcu_dereference_protected(neigh->hnext, - lockdep_is_held(&ntbl->rwlock))); + lockdep_is_held(&priv->lock))); call_rcu(&neigh->rcu, ipoib_neigh_reclaim); - goto out_unlock; + return; } else { np = &n->hnext; } } - -out_unlock: - write_unlock_bh(&ntbl->rwlock); - } static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv) @@ -1080,7 +1069,6 @@ static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv) clear_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); ntbl->htbl = NULL; - rwlock_init(&ntbl->rwlock); htbl = kzalloc(sizeof(*htbl), GFP_KERNEL); if (!htbl) return -ENOMEM; @@ -1095,6 +1083,7 @@ static int ipoib_neigh_hash_init(struct ipoib_dev_priv *priv) htbl->mask = (size - 1); htbl->buckets = buckets; ntbl->htbl = htbl; + htbl->ntbl = ntbl; atomic_set(&ntbl->entries, 0); /* start garbage collection */ @@ -1111,9 +1100,11 @@ static void neigh_hash_free_rcu(struct rcu_head *head) struct ipoib_neigh_hash, rcu); struct ipoib_neigh __rcu **buckets = htbl->buckets; + struct ipoib_neigh_table *ntbl = htbl->ntbl; kfree(buckets); kfree(htbl); + complete(&ntbl->deleted); } void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid) @@ -1125,10 +1116,10 @@ void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid) int i; /* remove all neigh connected to a given path or mcast */ - write_lock_bh(&ntbl->rwlock); + spin_lock_irqsave(&priv->lock, flags); htbl = rcu_dereference_protected(ntbl->htbl, - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); if (!htbl) goto out_unlock; @@ -1138,16 +1129,14 @@ void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid) struct ipoib_neigh __rcu **np = &htbl->buckets[i]; while ((neigh = rcu_dereference_protected(*np, - lockdep_is_held(&ntbl->rwlock))) != NULL) { + lockdep_is_held(&priv->lock))) != NULL) { /* delete neighs belong to this parent */ if (!memcmp(gid, neigh->daddr + 4, sizeof (union ib_gid))) { rcu_assign_pointer(*np, rcu_dereference_protected(neigh->hnext, - lockdep_is_held(&ntbl->rwlock))); + lockdep_is_held(&priv->lock))); /* remove from parent list */ - spin_lock_irqsave(&priv->lock, flags); list_del(&neigh->list); - spin_unlock_irqrestore(&priv->lock, flags); call_rcu(&neigh->rcu, ipoib_neigh_reclaim); } else { np = &neigh->hnext; @@ -1156,7 +1145,7 @@ void ipoib_del_neighs_by_gid(struct net_device *dev, u8 *gid) } } out_unlock: - write_unlock_bh(&ntbl->rwlock); + spin_unlock_irqrestore(&priv->lock, flags); } static void ipoib_flush_neighs(struct ipoib_dev_priv *priv) @@ -1164,37 +1153,44 @@ static void ipoib_flush_neighs(struct ipoib_dev_priv *priv) struct ipoib_neigh_table *ntbl = &priv->ntbl; struct ipoib_neigh_hash *htbl; unsigned long flags; - int i; + int i, wait_flushed = 0; - write_lock_bh(&ntbl->rwlock); + init_completion(&priv->ntbl.flushed); + + spin_lock_irqsave(&priv->lock, flags); htbl = rcu_dereference_protected(ntbl->htbl, - lockdep_is_held(&ntbl->rwlock)); + lockdep_is_held(&priv->lock)); if (!htbl) goto out_unlock; + wait_flushed = atomic_read(&priv->ntbl.entries); + if (!wait_flushed) + goto free_htbl; + for (i = 0; i < htbl->size; i++) { struct ipoib_neigh *neigh; struct ipoib_neigh __rcu **np = &htbl->buckets[i]; while ((neigh = rcu_dereference_protected(*np, - lockdep_is_held(&ntbl->rwlock))) != NULL) { + lockdep_is_held(&priv->lock))) != NULL) { rcu_assign_pointer(*np, rcu_dereference_protected(neigh->hnext, - lockdep_is_held(&ntbl->rwlock))); + lockdep_is_held(&priv->lock))); /* remove from path/mc list */ - spin_lock_irqsave(&priv->lock, flags); list_del(&neigh->list); - spin_unlock_irqrestore(&priv->lock, flags); call_rcu(&neigh->rcu, ipoib_neigh_reclaim); } } +free_htbl: rcu_assign_pointer(ntbl->htbl, NULL); call_rcu(&htbl->rcu, neigh_hash_free_rcu); out_unlock: - write_unlock_bh(&ntbl->rwlock); + spin_unlock_irqrestore(&priv->lock, flags); + if (wait_flushed) + wait_for_completion(&priv->ntbl.flushed); } static void ipoib_neigh_hash_uninit(struct net_device *dev) @@ -1203,7 +1199,7 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) int stopped; ipoib_dbg(priv, "ipoib_neigh_hash_uninit\n"); - init_completion(&priv->ntbl.flushed); + init_completion(&priv->ntbl.deleted); set_bit(IPOIB_NEIGH_TBL_FLUSH, &priv->flags); /* Stop GC if called at init fail need to cancel work */ @@ -1211,10 +1207,9 @@ static void ipoib_neigh_hash_uninit(struct net_device *dev) if (!stopped) cancel_delayed_work(&priv->neigh_reap_task); - if (atomic_read(&priv->ntbl.entries)) { - ipoib_flush_neighs(priv); - wait_for_completion(&priv->ntbl.flushed); - } + ipoib_flush_neighs(priv); + + wait_for_completion(&priv->ntbl.deleted); } diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c index 13f4aa7593c8..75367249f447 100644 --- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c +++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c @@ -707,9 +707,7 @@ out: neigh = ipoib_neigh_get(dev, daddr); spin_lock_irqsave(&priv->lock, flags); if (!neigh) { - spin_unlock_irqrestore(&priv->lock, flags); neigh = ipoib_neigh_alloc(daddr, dev); - spin_lock_irqsave(&priv->lock, flags); if (neigh) { kref_get(&mcast->ah->ref); neigh->ah = mcast->ah; diff --git a/drivers/input/evdev.c b/drivers/input/evdev.c index 6c58bfff01a3..118d0300f1fb 100644 --- a/drivers/input/evdev.c +++ b/drivers/input/evdev.c @@ -54,16 +54,9 @@ struct evdev_client { static struct evdev *evdev_table[EVDEV_MINORS]; static DEFINE_MUTEX(evdev_table_mutex); -static void evdev_pass_event(struct evdev_client *client, - struct input_event *event, - ktime_t mono, ktime_t real) +static void __pass_event(struct evdev_client *client, + const struct input_event *event) { - event->time = ktime_to_timeval(client->clkid == CLOCK_MONOTONIC ? - mono : real); - - /* Interrupts are disabled, just acquire the lock. */ - spin_lock(&client->buffer_lock); - client->buffer[client->head++] = *event; client->head &= client->bufsize - 1; @@ -86,42 +79,74 @@ static void evdev_pass_event(struct evdev_client *client, client->packet_head = client->head; kill_fasync(&client->fasync, SIGIO, POLL_IN); } +} + +static void evdev_pass_values(struct evdev_client *client, + const struct input_value *vals, unsigned int count, + ktime_t mono, ktime_t real) +{ + struct evdev *evdev = client->evdev; + const struct input_value *v; + struct input_event event; + bool wakeup = false; + + event.time = ktime_to_timeval(client->clkid == CLOCK_MONOTONIC ? + mono : real); + + /* Interrupts are disabled, just acquire the lock. */ + spin_lock(&client->buffer_lock); + + for (v = vals; v != vals + count; v++) { + event.type = v->type; + event.code = v->code; + event.value = v->value; + __pass_event(client, &event); + if (v->type == EV_SYN && v->code == SYN_REPORT) + wakeup = true; + } spin_unlock(&client->buffer_lock); + + if (wakeup) + wake_up_interruptible(&evdev->wait); } /* - * Pass incoming event to all connected clients. + * Pass incoming events to all connected clients. */ -static void evdev_event(struct input_handle *handle, - unsigned int type, unsigned int code, int value) +static void evdev_events(struct input_handle *handle, + const struct input_value *vals, unsigned int count) { struct evdev *evdev = handle->private; struct evdev_client *client; - struct input_event event; ktime_t time_mono, time_real; time_mono = ktime_get(); time_real = ktime_sub(time_mono, ktime_get_monotonic_offset()); - event.type = type; - event.code = code; - event.value = value; - rcu_read_lock(); client = rcu_dereference(evdev->grab); if (client) - evdev_pass_event(client, &event, time_mono, time_real); + evdev_pass_values(client, vals, count, time_mono, time_real); else list_for_each_entry_rcu(client, &evdev->client_list, node) - evdev_pass_event(client, &event, time_mono, time_real); + evdev_pass_values(client, vals, count, + time_mono, time_real); rcu_read_unlock(); +} - if (type == EV_SYN && code == SYN_REPORT) - wake_up_interruptible(&evdev->wait); +/* + * Pass incoming event to all connected clients. + */ +static void evdev_event(struct input_handle *handle, + unsigned int type, unsigned int code, int value) +{ + struct input_value vals[] = { { type, code, value } }; + + evdev_events(handle, vals, 1); } static int evdev_fasync(int fd, struct file *file, int on) @@ -653,20 +678,22 @@ static int evdev_handle_mt_request(struct input_dev *dev, unsigned int size, int __user *ip) { - const struct input_mt_slot *mt = dev->mt; + const struct input_mt *mt = dev->mt; unsigned int code; int max_slots; int i; if (get_user(code, &ip[0])) return -EFAULT; - if (!input_is_mt_value(code)) + if (!mt || !input_is_mt_value(code)) return -EINVAL; max_slots = (size - sizeof(__u32)) / sizeof(__s32); - for (i = 0; i < dev->mtsize && i < max_slots; i++) - if (put_user(input_mt_get_value(&mt[i], code), &ip[1 + i])) + for (i = 0; i < mt->num_slots && i < max_slots; i++) { + int value = input_mt_get_value(&mt->slots[i], code); + if (put_user(value, &ip[1 + i])) return -EFAULT; + } return 0; } @@ -1048,6 +1075,7 @@ MODULE_DEVICE_TABLE(input, evdev_ids); static struct input_handler evdev_handler = { .event = evdev_event, + .events = evdev_events, .connect = evdev_connect, .disconnect = evdev_disconnect, .fops = &evdev_fops, diff --git a/drivers/input/input-mt.c b/drivers/input/input-mt.c index 70a16c7da8cc..c0ec7d42c3be 100644 --- a/drivers/input/input-mt.c +++ b/drivers/input/input-mt.c @@ -14,6 +14,14 @@ #define TRKID_SGN ((TRKID_MAX + 1) >> 1) +static void copy_abs(struct input_dev *dev, unsigned int dst, unsigned int src) +{ + if (dev->absinfo && test_bit(src, dev->absbit)) { + dev->absinfo[dst] = dev->absinfo[src]; + dev->absbit[BIT_WORD(dst)] |= BIT_MASK(dst); + } +} + /** * input_mt_init_slots() - initialize MT input slots * @dev: input device supporting MT events and finger tracking @@ -25,29 +33,63 @@ * May be called repeatedly. Returns -EINVAL if attempting to * reinitialize with a different number of slots. */ -int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots) +int input_mt_init_slots(struct input_dev *dev, unsigned int num_slots, + unsigned int flags) { + struct input_mt *mt = dev->mt; int i; if (!num_slots) return 0; - if (dev->mt) - return dev->mtsize != num_slots ? -EINVAL : 0; + if (mt) + return mt->num_slots != num_slots ? -EINVAL : 0; - dev->mt = kcalloc(num_slots, sizeof(struct input_mt_slot), GFP_KERNEL); - if (!dev->mt) - return -ENOMEM; + mt = kzalloc(sizeof(*mt) + num_slots * sizeof(*mt->slots), GFP_KERNEL); + if (!mt) + goto err_mem; - dev->mtsize = num_slots; + mt->num_slots = num_slots; + mt->flags = flags; input_set_abs_params(dev, ABS_MT_SLOT, 0, num_slots - 1, 0, 0); input_set_abs_params(dev, ABS_MT_TRACKING_ID, 0, TRKID_MAX, 0, 0); - input_set_events_per_packet(dev, 6 * num_slots); + + if (flags & (INPUT_MT_POINTER | INPUT_MT_DIRECT)) { + __set_bit(EV_KEY, dev->evbit); + __set_bit(BTN_TOUCH, dev->keybit); + + copy_abs(dev, ABS_X, ABS_MT_POSITION_X); + copy_abs(dev, ABS_Y, ABS_MT_POSITION_Y); + copy_abs(dev, ABS_PRESSURE, ABS_MT_PRESSURE); + } + if (flags & INPUT_MT_POINTER) { + __set_bit(BTN_TOOL_FINGER, dev->keybit); + __set_bit(BTN_TOOL_DOUBLETAP, dev->keybit); + if (num_slots >= 3) + __set_bit(BTN_TOOL_TRIPLETAP, dev->keybit); + if (num_slots >= 4) + __set_bit(BTN_TOOL_QUADTAP, dev->keybit); + if (num_slots >= 5) + __set_bit(BTN_TOOL_QUINTTAP, dev->keybit); + __set_bit(INPUT_PROP_POINTER, dev->propbit); + } + if (flags & INPUT_MT_DIRECT) + __set_bit(INPUT_PROP_DIRECT, dev->propbit); + if (flags & INPUT_MT_TRACK) { + unsigned int n2 = num_slots * num_slots; + mt->red = kcalloc(n2, sizeof(*mt->red), GFP_KERNEL); + if (!mt->red) + goto err_mem; + } /* Mark slots as 'unused' */ for (i = 0; i < num_slots; i++) - input_mt_set_value(&dev->mt[i], ABS_MT_TRACKING_ID, -1); + input_mt_set_value(&mt->slots[i], ABS_MT_TRACKING_ID, -1); + dev->mt = mt; return 0; +err_mem: + kfree(mt); + return -ENOMEM; } EXPORT_SYMBOL(input_mt_init_slots); @@ -60,11 +102,11 @@ EXPORT_SYMBOL(input_mt_init_slots); */ void input_mt_destroy_slots(struct input_dev *dev) { - kfree(dev->mt); + if (dev->mt) { + kfree(dev->mt->red); + kfree(dev->mt); + } dev->mt = NULL; - dev->mtsize = 0; - dev->slot = 0; - dev->trkid = 0; } EXPORT_SYMBOL(input_mt_destroy_slots); @@ -83,18 +125,24 @@ EXPORT_SYMBOL(input_mt_destroy_slots); void input_mt_report_slot_state(struct input_dev *dev, unsigned int tool_type, bool active) { - struct input_mt_slot *mt; + struct input_mt *mt = dev->mt; + struct input_mt_slot *slot; int id; - if (!dev->mt || !active) { + if (!mt) + return; + + slot = &mt->slots[mt->slot]; + slot->frame = mt->frame; + + if (!active) { input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); return; } - mt = &dev->mt[dev->slot]; - id = input_mt_get_value(mt, ABS_MT_TRACKING_ID); - if (id < 0 || input_mt_get_value(mt, ABS_MT_TOOL_TYPE) != tool_type) - id = input_mt_new_trkid(dev); + id = input_mt_get_value(slot, ABS_MT_TRACKING_ID); + if (id < 0 || input_mt_get_value(slot, ABS_MT_TOOL_TYPE) != tool_type) + id = input_mt_new_trkid(mt); input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, id); input_event(dev, EV_ABS, ABS_MT_TOOL_TYPE, tool_type); @@ -135,13 +183,19 @@ EXPORT_SYMBOL(input_mt_report_finger_count); */ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count) { - struct input_mt_slot *oldest = NULL; - int oldid = dev->trkid; - int count = 0; - int i; + struct input_mt *mt = dev->mt; + struct input_mt_slot *oldest; + int oldid, count, i; + + if (!mt) + return; + + oldest = 0; + oldid = mt->trkid; + count = 0; - for (i = 0; i < dev->mtsize; ++i) { - struct input_mt_slot *ps = &dev->mt[i]; + for (i = 0; i < mt->num_slots; ++i) { + struct input_mt_slot *ps = &mt->slots[i]; int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); if (id < 0) @@ -160,13 +214,208 @@ void input_mt_report_pointer_emulation(struct input_dev *dev, bool use_count) if (oldest) { int x = input_mt_get_value(oldest, ABS_MT_POSITION_X); int y = input_mt_get_value(oldest, ABS_MT_POSITION_Y); - int p = input_mt_get_value(oldest, ABS_MT_PRESSURE); input_event(dev, EV_ABS, ABS_X, x); input_event(dev, EV_ABS, ABS_Y, y); - input_event(dev, EV_ABS, ABS_PRESSURE, p); + + if (test_bit(ABS_MT_PRESSURE, dev->absbit)) { + int p = input_mt_get_value(oldest, ABS_MT_PRESSURE); + input_event(dev, EV_ABS, ABS_PRESSURE, p); + } } else { - input_event(dev, EV_ABS, ABS_PRESSURE, 0); + if (test_bit(ABS_MT_PRESSURE, dev->absbit)) + input_event(dev, EV_ABS, ABS_PRESSURE, 0); } } EXPORT_SYMBOL(input_mt_report_pointer_emulation); + +/** + * input_mt_sync_frame() - synchronize mt frame + * @dev: input device with allocated MT slots + * + * Close the frame and prepare the internal state for a new one. + * Depending on the flags, marks unused slots as inactive and performs + * pointer emulation. + */ +void input_mt_sync_frame(struct input_dev *dev) +{ + struct input_mt *mt = dev->mt; + struct input_mt_slot *s; + + if (!mt) + return; + + if (mt->flags & INPUT_MT_DROP_UNUSED) { + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (s->frame == mt->frame) + continue; + input_mt_slot(dev, s - mt->slots); + input_event(dev, EV_ABS, ABS_MT_TRACKING_ID, -1); + } + } + + input_mt_report_pointer_emulation(dev, (mt->flags & INPUT_MT_POINTER)); + + mt->frame++; +} +EXPORT_SYMBOL(input_mt_sync_frame); + +static int adjust_dual(int *begin, int step, int *end, int eq) +{ + int f, *p, s, c; + + if (begin == end) + return 0; + + f = *begin; + p = begin + step; + s = p == end ? f + 1 : *p; + + for (; p != end; p += step) + if (*p < f) + s = f, f = *p; + else if (*p < s) + s = *p; + + c = (f + s + 1) / 2; + if (c == 0 || (c > 0 && !eq)) + return 0; + if (s < 0) + c *= 2; + + for (p = begin; p != end; p += step) + *p -= c; + + return (c < s && s <= 0) || (f >= 0 && f < c); +} + +static void find_reduced_matrix(int *w, int nr, int nc, int nrc) +{ + int i, k, sum; + + for (k = 0; k < nrc; k++) { + for (i = 0; i < nr; i++) + adjust_dual(w + i, nr, w + i + nrc, nr <= nc); + sum = 0; + for (i = 0; i < nrc; i += nr) + sum += adjust_dual(w + i, 1, w + i + nr, nc <= nr); + if (!sum) + break; + } +} + +static int input_mt_set_matrix(struct input_mt *mt, + const struct input_mt_pos *pos, int num_pos) +{ + const struct input_mt_pos *p; + struct input_mt_slot *s; + int *w = mt->red; + int x, y; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (!input_mt_is_active(s)) + continue; + x = input_mt_get_value(s, ABS_MT_POSITION_X); + y = input_mt_get_value(s, ABS_MT_POSITION_Y); + for (p = pos; p != pos + num_pos; p++) { + int dx = x - p->x, dy = y - p->y; + *w++ = dx * dx + dy * dy; + } + } + + return w - mt->red; +} + +static void input_mt_set_slots(struct input_mt *mt, + int *slots, int num_pos) +{ + struct input_mt_slot *s; + int *w = mt->red, *p; + + for (p = slots; p != slots + num_pos; p++) + *p = -1; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (!input_mt_is_active(s)) + continue; + for (p = slots; p != slots + num_pos; p++) + if (*w++ < 0) + *p = s - mt->slots; + } + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) { + if (input_mt_is_active(s)) + continue; + for (p = slots; p != slots + num_pos; p++) + if (*p < 0) { + *p = s - mt->slots; + break; + } + } +} + +/** + * input_mt_assign_slots() - perform a best-match assignment + * @dev: input device with allocated MT slots + * @slots: the slot assignment to be filled + * @pos: the position array to match + * @num_pos: number of positions + * + * Performs a best match against the current contacts and returns + * the slot assignment list. New contacts are assigned to unused + * slots. + * + * Returns zero on success, or negative error in case of failure. + */ +int input_mt_assign_slots(struct input_dev *dev, int *slots, + const struct input_mt_pos *pos, int num_pos) +{ + struct input_mt *mt = dev->mt; + int nrc; + + if (!mt || !mt->red) + return -ENXIO; + if (num_pos > mt->num_slots) + return -EINVAL; + if (num_pos < 1) + return 0; + + nrc = input_mt_set_matrix(mt, pos, num_pos); + find_reduced_matrix(mt->red, num_pos, nrc / num_pos, nrc); + input_mt_set_slots(mt, slots, num_pos); + + return 0; +} +EXPORT_SYMBOL(input_mt_assign_slots); + +/** + * input_mt_get_slot_by_key() - return slot matching key + * @dev: input device with allocated MT slots + * @key: the key of the sought slot + * + * Returns the slot of the given key, if it exists, otherwise + * set the key on the first unused slot and return. + * + * If no available slot can be found, -1 is returned. + */ +int input_mt_get_slot_by_key(struct input_dev *dev, int key) +{ + struct input_mt *mt = dev->mt; + struct input_mt_slot *s; + + if (!mt) + return -1; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) + if (input_mt_is_active(s) && s->key == key) + return s - mt->slots; + + for (s = mt->slots; s != mt->slots + mt->num_slots; s++) + if (!input_mt_is_active(s)) { + s->key = key; + return s - mt->slots; + } + + return -1; +} +EXPORT_SYMBOL(input_mt_get_slot_by_key); diff --git a/drivers/input/input.c b/drivers/input/input.c index 8921c6180c51..5244f3d05b12 100644 --- a/drivers/input/input.c +++ b/drivers/input/input.c @@ -47,6 +47,8 @@ static DEFINE_MUTEX(input_mutex); static struct input_handler *input_table[8]; +static const struct input_value input_value_sync = { EV_SYN, SYN_REPORT, 1 }; + static inline int is_event_supported(unsigned int code, unsigned long *bm, unsigned int max) { @@ -69,42 +71,102 @@ static int input_defuzz_abs_event(int value, int old_val, int fuzz) return value; } +static void input_start_autorepeat(struct input_dev *dev, int code) +{ + if (test_bit(EV_REP, dev->evbit) && + dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && + dev->timer.data) { + dev->repeat_key = code; + mod_timer(&dev->timer, + jiffies + msecs_to_jiffies(dev->rep[REP_DELAY])); + } +} + +static void input_stop_autorepeat(struct input_dev *dev) +{ + del_timer(&dev->timer); +} + /* * Pass event first through all filters and then, if event has not been * filtered out, through all open handles. This function is called with * dev->event_lock held and interrupts disabled. */ -static void input_pass_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) +static unsigned int input_to_handler(struct input_handle *handle, + struct input_value *vals, unsigned int count) +{ + struct input_handler *handler = handle->handler; + struct input_value *end = vals; + struct input_value *v; + + for (v = vals; v != vals + count; v++) { + if (handler->filter && + handler->filter(handle, v->type, v->code, v->value)) + continue; + if (end != v) + *end = *v; + end++; + } + + count = end - vals; + if (!count) + return 0; + + if (handler->events) + handler->events(handle, vals, count); + else if (handler->event) + for (v = vals; v != end; v++) + handler->event(handle, v->type, v->code, v->value); + + return count; +} + +/* + * Pass values first through all filters and then, if event has not been + * filtered out, through all open handles. This function is called with + * dev->event_lock held and interrupts disabled. + */ +static void input_pass_values(struct input_dev *dev, + struct input_value *vals, unsigned int count) { - struct input_handler *handler; struct input_handle *handle; + struct input_value *v; + + if (!count) + return; rcu_read_lock(); handle = rcu_dereference(dev->grab); - if (handle) - handle->handler->event(handle, type, code, value); - else { - bool filtered = false; - - list_for_each_entry_rcu(handle, &dev->h_list, d_node) { - if (!handle->open) - continue; + if (handle) { + count = input_to_handler(handle, vals, count); + } else { + list_for_each_entry_rcu(handle, &dev->h_list, d_node) + if (handle->open) + count = input_to_handler(handle, vals, count); + } - handler = handle->handler; - if (!handler->filter) { - if (filtered) - break; + rcu_read_unlock(); - handler->event(handle, type, code, value); + add_input_randomness(vals->type, vals->code, vals->value); - } else if (handler->filter(handle, type, code, value)) - filtered = true; + /* trigger auto repeat for key events */ + for (v = vals; v != vals + count; v++) { + if (v->type == EV_KEY && v->value != 2) { + if (v->value) + input_start_autorepeat(dev, v->code); + else + input_stop_autorepeat(dev); } } +} - rcu_read_unlock(); +static void input_pass_event(struct input_dev *dev, + unsigned int type, unsigned int code, int value) +{ + struct input_value vals[] = { { type, code, value } }; + + input_pass_values(dev, vals, ARRAY_SIZE(vals)); } /* @@ -121,18 +183,12 @@ static void input_repeat_key(unsigned long data) if (test_bit(dev->repeat_key, dev->key) && is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) { + struct input_value vals[] = { + { EV_KEY, dev->repeat_key, 2 }, + input_value_sync + }; - input_pass_event(dev, EV_KEY, dev->repeat_key, 2); - - if (dev->sync) { - /* - * Only send SYN_REPORT if we are not in a middle - * of driver parsing a new hardware packet. - * Otherwise assume that the driver will send - * SYN_REPORT once it's done. - */ - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); - } + input_pass_values(dev, vals, ARRAY_SIZE(vals)); if (dev->rep[REP_PERIOD]) mod_timer(&dev->timer, jiffies + @@ -142,30 +198,17 @@ static void input_repeat_key(unsigned long data) spin_unlock_irqrestore(&dev->event_lock, flags); } -static void input_start_autorepeat(struct input_dev *dev, int code) -{ - if (test_bit(EV_REP, dev->evbit) && - dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && - dev->timer.data) { - dev->repeat_key = code; - mod_timer(&dev->timer, - jiffies + msecs_to_jiffies(dev->rep[REP_DELAY])); - } -} - -static void input_stop_autorepeat(struct input_dev *dev) -{ - del_timer(&dev->timer); -} - #define INPUT_IGNORE_EVENT 0 #define INPUT_PASS_TO_HANDLERS 1 #define INPUT_PASS_TO_DEVICE 2 +#define INPUT_SLOT 4 +#define INPUT_FLUSH 8 #define INPUT_PASS_TO_ALL (INPUT_PASS_TO_HANDLERS | INPUT_PASS_TO_DEVICE) static int input_handle_abs_event(struct input_dev *dev, unsigned int code, int *pval) { + struct input_mt *mt = dev->mt; bool is_mt_event; int *pold; @@ -174,8 +217,8 @@ static int input_handle_abs_event(struct input_dev *dev, * "Stage" the event; we'll flush it later, when we * get actual touch data. */ - if (*pval >= 0 && *pval < dev->mtsize) - dev->slot = *pval; + if (mt && *pval >= 0 && *pval < mt->num_slots) + mt->slot = *pval; return INPUT_IGNORE_EVENT; } @@ -184,9 +227,8 @@ static int input_handle_abs_event(struct input_dev *dev, if (!is_mt_event) { pold = &dev->absinfo[code].value; - } else if (dev->mt) { - struct input_mt_slot *mtslot = &dev->mt[dev->slot]; - pold = &mtslot->abs[code - ABS_MT_FIRST]; + } else if (mt) { + pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST]; } else { /* * Bypass filtering for multi-touch events when @@ -205,16 +247,16 @@ static int input_handle_abs_event(struct input_dev *dev, } /* Flush pending "slot" event */ - if (is_mt_event && dev->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { - input_abs_set_val(dev, ABS_MT_SLOT, dev->slot); - input_pass_event(dev, EV_ABS, ABS_MT_SLOT, dev->slot); + if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { + input_abs_set_val(dev, ABS_MT_SLOT, mt->slot); + return INPUT_PASS_TO_HANDLERS | INPUT_SLOT; } return INPUT_PASS_TO_HANDLERS; } -static void input_handle_event(struct input_dev *dev, - unsigned int type, unsigned int code, int value) +static int input_get_disposition(struct input_dev *dev, + unsigned int type, unsigned int code, int value) { int disposition = INPUT_IGNORE_EVENT; @@ -227,37 +269,34 @@ static void input_handle_event(struct input_dev *dev, break; case SYN_REPORT: - if (!dev->sync) { - dev->sync = true; - disposition = INPUT_PASS_TO_HANDLERS; - } + disposition = INPUT_PASS_TO_HANDLERS | INPUT_FLUSH; break; case SYN_MT_REPORT: - dev->sync = false; disposition = INPUT_PASS_TO_HANDLERS; break; } break; case EV_KEY: - if (is_event_supported(code, dev->keybit, KEY_MAX) && - !!test_bit(code, dev->key) != value) { + if (is_event_supported(code, dev->keybit, KEY_MAX)) { - if (value != 2) { - __change_bit(code, dev->key); - if (value) - input_start_autorepeat(dev, code); - else - input_stop_autorepeat(dev); + /* auto-repeat bypasses state updates */ + if (value == 2) { + disposition = INPUT_PASS_TO_HANDLERS; + break; } - disposition = INPUT_PASS_TO_HANDLERS; + if (!!test_bit(code, dev->key) != !!value) { + + __change_bit(code, dev->key); + disposition = INPUT_PASS_TO_HANDLERS; + } } break; case EV_SW: if (is_event_supported(code, dev->swbit, SW_MAX) && - !!test_bit(code, dev->sw) != value) { + !!test_bit(code, dev->sw) != !!value) { __change_bit(code, dev->sw); disposition = INPUT_PASS_TO_HANDLERS; @@ -284,7 +323,7 @@ static void input_handle_event(struct input_dev *dev, case EV_LED: if (is_event_supported(code, dev->ledbit, LED_MAX) && - !!test_bit(code, dev->led) != value) { + !!test_bit(code, dev->led) != !!value) { __change_bit(code, dev->led); disposition = INPUT_PASS_TO_ALL; @@ -317,14 +356,48 @@ static void input_handle_event(struct input_dev *dev, break; } - if (disposition != INPUT_IGNORE_EVENT && type != EV_SYN) - dev->sync = false; + return disposition; +} + +static void input_handle_event(struct input_dev *dev, + unsigned int type, unsigned int code, int value) +{ + int disposition; + + disposition = input_get_disposition(dev, type, code, value); if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event) dev->event(dev, type, code, value); - if (disposition & INPUT_PASS_TO_HANDLERS) - input_pass_event(dev, type, code, value); + if (!dev->vals) + return; + + if (disposition & INPUT_PASS_TO_HANDLERS) { + struct input_value *v; + + if (disposition & INPUT_SLOT) { + v = &dev->vals[dev->num_vals++]; + v->type = EV_ABS; + v->code = ABS_MT_SLOT; + v->value = dev->mt->slot; + } + + v = &dev->vals[dev->num_vals++]; + v->type = type; + v->code = code; + v->value = value; + } + + if (disposition & INPUT_FLUSH) { + if (dev->num_vals >= 2) + input_pass_values(dev, dev->vals, dev->num_vals); + dev->num_vals = 0; + } else if (dev->num_vals >= dev->max_vals - 2) { + dev->vals[dev->num_vals++] = input_value_sync; + input_pass_values(dev, dev->vals, dev->num_vals); + dev->num_vals = 0; + } + } /** @@ -352,7 +425,6 @@ void input_event(struct input_dev *dev, if (is_event_supported(type, dev->evbit, EV_MAX)) { spin_lock_irqsave(&dev->event_lock, flags); - add_input_randomness(type, code, value); input_handle_event(dev, type, code, value); spin_unlock_irqrestore(&dev->event_lock, flags); } @@ -831,10 +903,12 @@ int input_set_keycode(struct input_dev *dev, if (test_bit(EV_KEY, dev->evbit) && !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && __test_and_clear_bit(old_keycode, dev->key)) { + struct input_value vals[] = { + { EV_KEY, old_keycode, 0 }, + input_value_sync + }; - input_pass_event(dev, EV_KEY, old_keycode, 0); - if (dev->sync) - input_pass_event(dev, EV_SYN, SYN_REPORT, 1); + input_pass_values(dev, vals, ARRAY_SIZE(vals)); } out: @@ -1416,6 +1490,7 @@ static void input_dev_release(struct device *device) input_ff_destroy(dev); input_mt_destroy_slots(dev); kfree(dev->absinfo); + kfree(dev->vals); kfree(dev); module_put(THIS_MODULE); @@ -1751,8 +1826,8 @@ static unsigned int input_estimate_events_per_packet(struct input_dev *dev) int i; unsigned int events; - if (dev->mtsize) { - mt_slots = dev->mtsize; + if (dev->mt) { + mt_slots = dev->mt->num_slots; } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) { mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum - dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1, @@ -1778,6 +1853,9 @@ static unsigned int input_estimate_events_per_packet(struct input_dev *dev) if (test_bit(i, dev->relbit)) events++; + /* Make room for KEY and MSC events */ + events += 7; + return events; } @@ -1816,6 +1894,7 @@ int input_register_device(struct input_dev *dev) { static atomic_t input_no = ATOMIC_INIT(0); struct input_handler *handler; + unsigned int packet_size; const char *path; int error; @@ -1828,9 +1907,14 @@ int input_register_device(struct input_dev *dev) /* Make sure that bitmasks not mentioned in dev->evbit are clean. */ input_cleanse_bitmasks(dev); - if (!dev->hint_events_per_packet) - dev->hint_events_per_packet = - input_estimate_events_per_packet(dev); + packet_size = input_estimate_events_per_packet(dev); + if (dev->hint_events_per_packet < packet_size) + dev->hint_events_per_packet = packet_size; + + dev->max_vals = max(dev->hint_events_per_packet, packet_size) + 2; + dev->vals = kcalloc(dev->max_vals, sizeof(*dev->vals), GFP_KERNEL); + if (!dev->vals) + return -ENOMEM; /* * If delay and period are pre-set by the driver, then autorepeating diff --git a/drivers/input/keyboard/imx_keypad.c b/drivers/input/keyboard/imx_keypad.c index ff4c0a87a25f..cdc252612c0b 100644 --- a/drivers/input/keyboard/imx_keypad.c +++ b/drivers/input/keyboard/imx_keypad.c @@ -358,6 +358,7 @@ static void imx_keypad_inhibit(struct imx_keypad *keypad) /* Inhibit KDI and KRI interrupts. */ reg_val = readw(keypad->mmio_base + KPSR); reg_val &= ~(KBD_STAT_KRIE | KBD_STAT_KDIE); + reg_val |= KBD_STAT_KPKR | KBD_STAT_KPKD; writew(reg_val, keypad->mmio_base + KPSR); /* Colums as open drain and disable all rows */ @@ -515,7 +516,9 @@ static int __devinit imx_keypad_probe(struct platform_device *pdev) input_set_drvdata(input_dev, keypad); /* Ensure that the keypad will stay dormant until opened */ + clk_prepare_enable(keypad->clk); imx_keypad_inhibit(keypad); + clk_disable_unprepare(keypad->clk); error = request_irq(irq, imx_keypad_irq_handler, 0, pdev->name, keypad); diff --git a/drivers/input/misc/ab8500-ponkey.c b/drivers/input/misc/ab8500-ponkey.c index f06231b7cab1..84ec691c05aa 100644 --- a/drivers/input/misc/ab8500-ponkey.c +++ b/drivers/input/misc/ab8500-ponkey.c @@ -74,8 +74,8 @@ static int __devinit ab8500_ponkey_probe(struct platform_device *pdev) ponkey->idev = input; ponkey->ab8500 = ab8500; - ponkey->irq_dbf = ab8500_irq_get_virq(ab8500, irq_dbf); - ponkey->irq_dbr = ab8500_irq_get_virq(ab8500, irq_dbr); + ponkey->irq_dbf = irq_dbf; + ponkey->irq_dbr = irq_dbr; input->name = "AB8500 POn(PowerOn) Key"; input->dev.parent = &pdev->dev; diff --git a/drivers/input/misc/uinput.c b/drivers/input/misc/uinput.c index 736056897e50..6b1797503e34 100644 --- a/drivers/input/misc/uinput.c +++ b/drivers/input/misc/uinput.c @@ -405,7 +405,7 @@ static int uinput_setup_device(struct uinput_device *udev, const char __user *bu goto exit; if (test_bit(ABS_MT_SLOT, dev->absbit)) { int nslot = input_abs_get_max(dev, ABS_MT_SLOT) + 1; - input_mt_init_slots(dev, nslot); + input_mt_init_slots(dev, nslot, 0); } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) { input_set_events_per_packet(dev, 60); } diff --git a/drivers/input/mouse/alps.c b/drivers/input/mouse/alps.c index 4a1347e91bdc..cf5af1f495ec 100644 --- a/drivers/input/mouse/alps.c +++ b/drivers/input/mouse/alps.c @@ -1620,7 +1620,7 @@ int alps_init(struct psmouse *psmouse) case ALPS_PROTO_V3: case ALPS_PROTO_V4: set_bit(INPUT_PROP_SEMI_MT, dev1->propbit); - input_mt_init_slots(dev1, 2); + input_mt_init_slots(dev1, 2, 0); input_set_abs_params(dev1, ABS_MT_POSITION_X, 0, ALPS_V3_X_MAX, 0, 0); input_set_abs_params(dev1, ABS_MT_POSITION_Y, 0, ALPS_V3_Y_MAX, 0, 0); diff --git a/drivers/input/mouse/bcm5974.c b/drivers/input/mouse/bcm5974.c index d528c23e194f..3a78f235fa3e 100644 --- a/drivers/input/mouse/bcm5974.c +++ b/drivers/input/mouse/bcm5974.c @@ -40,6 +40,7 @@ #include <linux/usb/input.h> #include <linux/hid.h> #include <linux/mutex.h> +#include <linux/input/mt.h> #define USB_VENDOR_ID_APPLE 0x05ac @@ -183,26 +184,26 @@ struct tp_finger { __le16 abs_y; /* absolute y coodinate */ __le16 rel_x; /* relative x coodinate */ __le16 rel_y; /* relative y coodinate */ - __le16 size_major; /* finger size, major axis? */ - __le16 size_minor; /* finger size, minor axis? */ + __le16 tool_major; /* tool area, major axis */ + __le16 tool_minor; /* tool area, minor axis */ __le16 orientation; /* 16384 when point, else 15 bit angle */ - __le16 force_major; /* trackpad force, major axis? */ - __le16 force_minor; /* trackpad force, minor axis? */ + __le16 touch_major; /* touch area, major axis */ + __le16 touch_minor; /* touch area, minor axis */ __le16 unused[3]; /* zeros */ __le16 multi; /* one finger: varies, more fingers: constant */ } __attribute__((packed,aligned(2))); /* trackpad finger data size, empirically at least ten fingers */ +#define MAX_FINGERS 16 #define SIZEOF_FINGER sizeof(struct tp_finger) -#define SIZEOF_ALL_FINGERS (16 * SIZEOF_FINGER) +#define SIZEOF_ALL_FINGERS (MAX_FINGERS * SIZEOF_FINGER) #define MAX_FINGER_ORIENTATION 16384 /* device-specific parameters */ struct bcm5974_param { - int dim; /* logical dimension */ - int fuzz; /* logical noise value */ - int devmin; /* device minimum reading */ - int devmax; /* device maximum reading */ + int snratio; /* signal-to-noise ratio */ + int min; /* device minimum reading */ + int max; /* device maximum reading */ }; /* device-specific configuration */ @@ -219,6 +220,7 @@ struct bcm5974_config { struct bcm5974_param w; /* finger width limits */ struct bcm5974_param x; /* horizontal limits */ struct bcm5974_param y; /* vertical limits */ + struct bcm5974_param o; /* orientation limits */ }; /* logical device structure */ @@ -234,23 +236,16 @@ struct bcm5974 { struct bt_data *bt_data; /* button transferred data */ struct urb *tp_urb; /* trackpad usb request block */ u8 *tp_data; /* trackpad transferred data */ - int fingers; /* number of fingers on trackpad */ + const struct tp_finger *index[MAX_FINGERS]; /* finger index data */ + struct input_mt_pos pos[MAX_FINGERS]; /* position array */ + int slots[MAX_FINGERS]; /* slot assignments */ }; -/* logical dimensions */ -#define DIM_PRESSURE 256 /* maximum finger pressure */ -#define DIM_WIDTH 16 /* maximum finger width */ -#define DIM_X 1280 /* maximum trackpad x value */ -#define DIM_Y 800 /* maximum trackpad y value */ - /* logical signal quality */ #define SN_PRESSURE 45 /* pressure signal-to-noise ratio */ -#define SN_WIDTH 100 /* width signal-to-noise ratio */ +#define SN_WIDTH 25 /* width signal-to-noise ratio */ #define SN_COORD 250 /* coordinate signal-to-noise ratio */ - -/* pressure thresholds */ -#define PRESSURE_LOW (2 * DIM_PRESSURE / SN_PRESSURE) -#define PRESSURE_HIGH (3 * PRESSURE_LOW) +#define SN_ORIENT 10 /* orientation signal-to-noise ratio */ /* device constants */ static const struct bcm5974_config bcm5974_config_table[] = { @@ -261,10 +256,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 0, 0x84, sizeof(struct bt_data), 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4824, 5342 }, - { DIM_Y, DIM_Y / SN_COORD, -172, 5820 } + { SN_PRESSURE, 0, 256 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4824, 5342 }, + { SN_COORD, -172, 5820 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI, @@ -273,10 +269,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { 0, 0x84, sizeof(struct bt_data), 0x81, TYPE1, FINGER_TYPE1, FINGER_TYPE1 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 256 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4824, 4824 }, - { DIM_Y, DIM_Y / SN_COORD, -172, 4290 } + { SN_PRESSURE, 0, 256 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4824, 4824 }, + { SN_COORD, -172, 4290 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI, @@ -285,10 +282,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4460, 5166 }, - { DIM_Y, DIM_Y / SN_COORD, -75, 6700 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4460, 5166 }, + { SN_COORD, -75, 6700 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI, @@ -297,10 +295,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4620, 5140 }, + { SN_COORD, -150, 6600 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI, @@ -309,10 +308,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4616, 5112 }, - { DIM_Y, DIM_Y / SN_COORD, -142, 5234 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4616, 5112 }, + { SN_COORD, -142, 5234 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI, @@ -321,10 +321,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4415, 5050 }, - { DIM_Y, DIM_Y / SN_COORD, -55, 6680 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4415, 5050 }, + { SN_COORD, -55, 6680 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI, @@ -333,10 +334,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4620, 5140 }, + { SN_COORD, -150, 6600 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI, @@ -345,10 +347,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4750, 5280 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI, @@ -357,10 +360,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4620, 5140 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6600 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4620, 5140 }, + { SN_COORD, -150, 6600 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, { USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI, @@ -369,10 +373,11 @@ static const struct bcm5974_config bcm5974_config_table[] = { HAS_INTEGRATED_BUTTON, 0x84, sizeof(struct bt_data), 0x81, TYPE2, FINGER_TYPE2, FINGER_TYPE2 + SIZEOF_ALL_FINGERS, - { DIM_PRESSURE, DIM_PRESSURE / SN_PRESSURE, 0, 300 }, - { DIM_WIDTH, DIM_WIDTH / SN_WIDTH, 0, 2048 }, - { DIM_X, DIM_X / SN_COORD, -4750, 5280 }, - { DIM_Y, DIM_Y / SN_COORD, -150, 6730 } + { SN_PRESSURE, 0, 300 }, + { SN_WIDTH, 0, 2048 }, + { SN_COORD, -4750, 5280 }, + { SN_COORD, -150, 6730 }, + { SN_ORIENT, -MAX_FINGER_ORIENTATION, MAX_FINGER_ORIENTATION } }, {} }; @@ -396,18 +401,11 @@ static inline int raw2int(__le16 x) return (signed short)le16_to_cpu(x); } -/* scale device data to logical dimensions (asserts devmin < devmax) */ -static inline int int2scale(const struct bcm5974_param *p, int x) -{ - return x * p->dim / (p->devmax - p->devmin); -} - -/* all logical value ranges are [0,dim). */ -static inline int int2bound(const struct bcm5974_param *p, int x) +static void set_abs(struct input_dev *input, unsigned int code, + const struct bcm5974_param *p) { - int s = int2scale(p, x); - - return clamp_val(s, 0, p->dim - 1); + int fuzz = p->snratio ? (p->max - p->min) / p->snratio : 0; + input_set_abs_params(input, code, p->min, p->max, fuzz, 0); } /* setup which logical events to report */ @@ -416,48 +414,30 @@ static void setup_events_to_report(struct input_dev *input_dev, { __set_bit(EV_ABS, input_dev->evbit); - input_set_abs_params(input_dev, ABS_PRESSURE, - 0, cfg->p.dim, cfg->p.fuzz, 0); - input_set_abs_params(input_dev, ABS_TOOL_WIDTH, - 0, cfg->w.dim, cfg->w.fuzz, 0); - input_set_abs_params(input_dev, ABS_X, - 0, cfg->x.dim, cfg->x.fuzz, 0); - input_set_abs_params(input_dev, ABS_Y, - 0, cfg->y.dim, cfg->y.fuzz, 0); + /* for synaptics only */ + input_set_abs_params(input_dev, ABS_PRESSURE, 0, 256, 5, 0); + input_set_abs_params(input_dev, ABS_TOOL_WIDTH, 0, 16, 0, 0); /* finger touch area */ - input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); - input_set_abs_params(input_dev, ABS_MT_TOUCH_MINOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); + set_abs(input_dev, ABS_MT_TOUCH_MAJOR, &cfg->w); + set_abs(input_dev, ABS_MT_TOUCH_MINOR, &cfg->w); /* finger approach area */ - input_set_abs_params(input_dev, ABS_MT_WIDTH_MAJOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); - input_set_abs_params(input_dev, ABS_MT_WIDTH_MINOR, - cfg->w.devmin, cfg->w.devmax, 0, 0); + set_abs(input_dev, ABS_MT_WIDTH_MAJOR, &cfg->w); + set_abs(input_dev, ABS_MT_WIDTH_MINOR, &cfg->w); /* finger orientation */ - input_set_abs_params(input_dev, ABS_MT_ORIENTATION, - -MAX_FINGER_ORIENTATION, - MAX_FINGER_ORIENTATION, 0, 0); + set_abs(input_dev, ABS_MT_ORIENTATION, &cfg->o); /* finger position */ - input_set_abs_params(input_dev, ABS_MT_POSITION_X, - cfg->x.devmin, cfg->x.devmax, 0, 0); - input_set_abs_params(input_dev, ABS_MT_POSITION_Y, - cfg->y.devmin, cfg->y.devmax, 0, 0); + set_abs(input_dev, ABS_MT_POSITION_X, &cfg->x); + set_abs(input_dev, ABS_MT_POSITION_Y, &cfg->y); __set_bit(EV_KEY, input_dev->evbit); - __set_bit(BTN_TOUCH, input_dev->keybit); - __set_bit(BTN_TOOL_FINGER, input_dev->keybit); - __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); - __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); - __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); __set_bit(BTN_LEFT, input_dev->keybit); - __set_bit(INPUT_PROP_POINTER, input_dev->propbit); if (cfg->caps & HAS_INTEGRATED_BUTTON) __set_bit(INPUT_PROP_BUTTONPAD, input_dev->propbit); - input_set_events_per_packet(input_dev, 60); + input_mt_init_slots(input_dev, MAX_FINGERS, + INPUT_MT_POINTER | INPUT_MT_DROP_UNUSED | INPUT_MT_TRACK); } /* report button data as logical button state */ @@ -477,24 +457,44 @@ static int report_bt_state(struct bcm5974 *dev, int size) return 0; } -static void report_finger_data(struct input_dev *input, - const struct bcm5974_config *cfg, +static void report_finger_data(struct input_dev *input, int slot, + const struct input_mt_pos *pos, const struct tp_finger *f) { + input_mt_slot(input, slot); + input_mt_report_slot_state(input, MT_TOOL_FINGER, true); + input_report_abs(input, ABS_MT_TOUCH_MAJOR, - raw2int(f->force_major) << 1); + raw2int(f->touch_major) << 1); input_report_abs(input, ABS_MT_TOUCH_MINOR, - raw2int(f->force_minor) << 1); + raw2int(f->touch_minor) << 1); input_report_abs(input, ABS_MT_WIDTH_MAJOR, - raw2int(f->size_major) << 1); + raw2int(f->tool_major) << 1); input_report_abs(input, ABS_MT_WIDTH_MINOR, - raw2int(f->size_minor) << 1); + raw2int(f->tool_minor) << 1); input_report_abs(input, ABS_MT_ORIENTATION, MAX_FINGER_ORIENTATION - raw2int(f->orientation)); - input_report_abs(input, ABS_MT_POSITION_X, raw2int(f->abs_x)); - input_report_abs(input, ABS_MT_POSITION_Y, - cfg->y.devmin + cfg->y.devmax - raw2int(f->abs_y)); - input_mt_sync(input); + input_report_abs(input, ABS_MT_POSITION_X, pos->x); + input_report_abs(input, ABS_MT_POSITION_Y, pos->y); +} + +static void report_synaptics_data(struct input_dev *input, + const struct bcm5974_config *cfg, + const struct tp_finger *f, int raw_n) +{ + int abs_p = 0, abs_w = 0; + + if (raw_n) { + int p = raw2int(f->touch_major); + int w = raw2int(f->tool_major); + if (p > 0 && raw2int(f->origin)) { + abs_p = clamp_val(256 * p / cfg->p.max, 0, 255); + abs_w = clamp_val(16 * w / cfg->w.max, 0, 15); + } + } + + input_report_abs(input, ABS_PRESSURE, abs_p); + input_report_abs(input, ABS_TOOL_WIDTH, abs_w); } /* report trackpad data as logical trackpad state */ @@ -503,9 +503,7 @@ static int report_tp_state(struct bcm5974 *dev, int size) const struct bcm5974_config *c = &dev->cfg; const struct tp_finger *f; struct input_dev *input = dev->input; - int raw_p, raw_w, raw_x, raw_y, raw_n, i; - int ptest, origin, ibt = 0, nmin = 0, nmax = 0; - int abs_p = 0, abs_w = 0, abs_x = 0, abs_y = 0; + int raw_n, i, n = 0; if (size < c->tp_offset || (size - c->tp_offset) % SIZEOF_FINGER != 0) return -EIO; @@ -514,76 +512,29 @@ static int report_tp_state(struct bcm5974 *dev, int size) f = (const struct tp_finger *)(dev->tp_data + c->tp_offset); raw_n = (size - c->tp_offset) / SIZEOF_FINGER; - /* always track the first finger; when detached, start over */ - if (raw_n) { - - /* report raw trackpad data */ - for (i = 0; i < raw_n; i++) - report_finger_data(input, c, &f[i]); - - raw_p = raw2int(f->force_major); - raw_w = raw2int(f->size_major); - raw_x = raw2int(f->abs_x); - raw_y = raw2int(f->abs_y); - - dprintk(9, - "bcm5974: " - "raw: p: %+05d w: %+05d x: %+05d y: %+05d n: %d\n", - raw_p, raw_w, raw_x, raw_y, raw_n); - - ptest = int2bound(&c->p, raw_p); - origin = raw2int(f->origin); - - /* while tracking finger still valid, count all fingers */ - if (ptest > PRESSURE_LOW && origin) { - abs_p = ptest; - abs_w = int2bound(&c->w, raw_w); - abs_x = int2bound(&c->x, raw_x - c->x.devmin); - abs_y = int2bound(&c->y, c->y.devmax - raw_y); - while (raw_n--) { - ptest = int2bound(&c->p, - raw2int(f->force_major)); - if (ptest > PRESSURE_LOW) - nmax++; - if (ptest > PRESSURE_HIGH) - nmin++; - f++; - } - } + for (i = 0; i < raw_n; i++) { + if (raw2int(f[i].touch_major) == 0) + continue; + dev->pos[n].x = raw2int(f[i].abs_x); + dev->pos[n].y = c->y.min + c->y.max - raw2int(f[i].abs_y); + dev->index[n++] = &f[i]; } - /* set the integrated button if applicable */ - if (c->tp_type == TYPE2) - ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); - - if (dev->fingers < nmin) - dev->fingers = nmin; - if (dev->fingers > nmax) - dev->fingers = nmax; - - input_report_key(input, BTN_TOUCH, dev->fingers > 0); - input_report_key(input, BTN_TOOL_FINGER, dev->fingers == 1); - input_report_key(input, BTN_TOOL_DOUBLETAP, dev->fingers == 2); - input_report_key(input, BTN_TOOL_TRIPLETAP, dev->fingers == 3); - input_report_key(input, BTN_TOOL_QUADTAP, dev->fingers > 3); - - input_report_abs(input, ABS_PRESSURE, abs_p); - input_report_abs(input, ABS_TOOL_WIDTH, abs_w); + input_mt_assign_slots(input, dev->slots, dev->pos, n); - if (abs_p) { - input_report_abs(input, ABS_X, abs_x); - input_report_abs(input, ABS_Y, abs_y); + for (i = 0; i < n; i++) + report_finger_data(input, dev->slots[i], + &dev->pos[i], dev->index[i]); - dprintk(8, - "bcm5974: abs: p: %+05d w: %+05d x: %+05d y: %+05d " - "nmin: %d nmax: %d n: %d ibt: %d\n", abs_p, abs_w, - abs_x, abs_y, nmin, nmax, dev->fingers, ibt); + input_mt_sync_frame(input); - } + report_synaptics_data(input, c, f, raw_n); /* type 2 reports button events via ibt only */ - if (c->tp_type == TYPE2) + if (c->tp_type == TYPE2) { + int ibt = raw2int(dev->tp_data[BUTTON_TYPE2]); input_report_key(input, BTN_LEFT, ibt); + } input_sync(input); @@ -742,9 +693,11 @@ static int bcm5974_start_traffic(struct bcm5974 *dev) goto err_out; } - error = usb_submit_urb(dev->bt_urb, GFP_KERNEL); - if (error) - goto err_reset_mode; + if (dev->bt_urb) { + error = usb_submit_urb(dev->bt_urb, GFP_KERNEL); + if (error) + goto err_reset_mode; + } error = usb_submit_urb(dev->tp_urb, GFP_KERNEL); if (error) @@ -868,19 +821,23 @@ static int bcm5974_probe(struct usb_interface *iface, mutex_init(&dev->pm_mutex); /* setup urbs */ - dev->bt_urb = usb_alloc_urb(0, GFP_KERNEL); - if (!dev->bt_urb) - goto err_free_devs; + if (cfg->tp_type == TYPE1) { + dev->bt_urb = usb_alloc_urb(0, GFP_KERNEL); + if (!dev->bt_urb) + goto err_free_devs; + } dev->tp_urb = usb_alloc_urb(0, GFP_KERNEL); if (!dev->tp_urb) goto err_free_bt_urb; - dev->bt_data = usb_alloc_coherent(dev->udev, + if (dev->bt_urb) { + dev->bt_data = usb_alloc_coherent(dev->udev, dev->cfg.bt_datalen, GFP_KERNEL, &dev->bt_urb->transfer_dma); - if (!dev->bt_data) - goto err_free_urb; + if (!dev->bt_data) + goto err_free_urb; + } dev->tp_data = usb_alloc_coherent(dev->udev, dev->cfg.tp_datalen, GFP_KERNEL, @@ -888,10 +845,11 @@ static int bcm5974_probe(struct usb_interface *iface, if (!dev->tp_data) goto err_free_bt_buffer; - usb_fill_int_urb(dev->bt_urb, udev, - usb_rcvintpipe(udev, cfg->bt_ep), - dev->bt_data, dev->cfg.bt_datalen, - bcm5974_irq_button, dev, 1); + if (dev->bt_urb) + usb_fill_int_urb(dev->bt_urb, udev, + usb_rcvintpipe(udev, cfg->bt_ep), + dev->bt_data, dev->cfg.bt_datalen, + bcm5974_irq_button, dev, 1); usb_fill_int_urb(dev->tp_urb, udev, usb_rcvintpipe(udev, cfg->tp_ep), @@ -929,8 +887,9 @@ err_free_buffer: usb_free_coherent(dev->udev, dev->cfg.tp_datalen, dev->tp_data, dev->tp_urb->transfer_dma); err_free_bt_buffer: - usb_free_coherent(dev->udev, dev->cfg.bt_datalen, - dev->bt_data, dev->bt_urb->transfer_dma); + if (dev->bt_urb) + usb_free_coherent(dev->udev, dev->cfg.bt_datalen, + dev->bt_data, dev->bt_urb->transfer_dma); err_free_urb: usb_free_urb(dev->tp_urb); err_free_bt_urb: @@ -951,8 +910,9 @@ static void bcm5974_disconnect(struct usb_interface *iface) input_unregister_device(dev->input); usb_free_coherent(dev->udev, dev->cfg.tp_datalen, dev->tp_data, dev->tp_urb->transfer_dma); - usb_free_coherent(dev->udev, dev->cfg.bt_datalen, - dev->bt_data, dev->bt_urb->transfer_dma); + if (dev->bt_urb) + usb_free_coherent(dev->udev, dev->cfg.bt_datalen, + dev->bt_data, dev->bt_urb->transfer_dma); usb_free_urb(dev->tp_urb); usb_free_urb(dev->bt_urb); kfree(dev); diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 479011004a11..1e8e42fb03a4 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -1004,7 +1004,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_set_abs_params(dev, ABS_TOOL_WIDTH, ETP_WMIN_V2, ETP_WMAX_V2, 0, 0); } - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); break; @@ -1035,7 +1035,7 @@ static int elantech_set_input_params(struct psmouse *psmouse) input_set_abs_params(dev, ABS_TOOL_WIDTH, ETP_WMIN_V2, ETP_WMAX_V2, 0, 0); /* Multitouch capable pad, up to 5 fingers. */ - input_mt_init_slots(dev, ETP_MAX_FINGERS); + input_mt_init_slots(dev, ETP_MAX_FINGERS, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, x_min, x_max, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, y_min, y_max, 0, 0); input_abs_set_res(dev, ABS_MT_POSITION_X, x_res); diff --git a/drivers/input/mouse/sentelic.c b/drivers/input/mouse/sentelic.c index 3f5649f19082..e582922bacf7 100644 --- a/drivers/input/mouse/sentelic.c +++ b/drivers/input/mouse/sentelic.c @@ -721,6 +721,17 @@ static psmouse_ret_t fsp_process_byte(struct psmouse *psmouse) switch (psmouse->packet[0] >> FSP_PKT_TYPE_SHIFT) { case FSP_PKT_TYPE_ABS: + + if ((packet[0] == 0x48 || packet[0] == 0x49) && + packet[1] == 0 && packet[2] == 0) { + /* + * Ignore coordinate noise when finger leaving the + * surface, otherwise cursor may jump to upper-left + * corner. + */ + packet[3] &= 0xf0; + } + abs_x = GET_ABS_X(packet); abs_y = GET_ABS_Y(packet); @@ -960,7 +971,7 @@ static int fsp_set_input_params(struct psmouse *psmouse) input_set_abs_params(dev, ABS_X, 0, abs_x, 0, 0); input_set_abs_params(dev, ABS_Y, 0, abs_y, 0, 0); - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, abs_x, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, 0, abs_y, 0, 0); } diff --git a/drivers/input/mouse/synaptics.c b/drivers/input/mouse/synaptics.c index 14eaecea2b70..37033ade79d3 100644 --- a/drivers/input/mouse/synaptics.c +++ b/drivers/input/mouse/synaptics.c @@ -1232,7 +1232,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) input_set_abs_params(dev, ABS_PRESSURE, 0, 255, 0, 0); if (SYN_CAP_IMAGE_SENSOR(priv->ext_cap_0c)) { - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); set_abs_position_params(dev, priv, ABS_MT_POSITION_X, ABS_MT_POSITION_Y); /* Image sensors can report per-contact pressure */ @@ -1244,7 +1244,7 @@ static void set_input_params(struct input_dev *dev, struct synaptics_data *priv) } else if (SYN_CAP_ADV_GESTURE(priv->ext_cap_0c)) { /* Non-image sensors with AGM use semi-mt */ __set_bit(INPUT_PROP_SEMI_MT, dev->propbit); - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); set_abs_position_params(dev, priv, ABS_MT_POSITION_X, ABS_MT_POSITION_Y); } diff --git a/drivers/input/serio/ambakmi.c b/drivers/input/serio/ambakmi.c index 2ffd110bd5bc..2e77246c2e5a 100644 --- a/drivers/input/serio/ambakmi.c +++ b/drivers/input/serio/ambakmi.c @@ -72,7 +72,7 @@ static int amba_kmi_open(struct serio *io) unsigned int divisor; int ret; - ret = clk_enable(kmi->clk); + ret = clk_prepare_enable(kmi->clk); if (ret) goto out; @@ -92,7 +92,7 @@ static int amba_kmi_open(struct serio *io) return 0; clk_disable: - clk_disable(kmi->clk); + clk_disable_unprepare(kmi->clk); out: return ret; } @@ -104,7 +104,7 @@ static void amba_kmi_close(struct serio *io) writeb(0, KMICR); free_irq(kmi->irq, kmi); - clk_disable(kmi->clk); + clk_disable_unprepare(kmi->clk); } static int __devinit amba_kmi_probe(struct amba_device *dev, diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index 5ec774d6c82b..d6cc77a53c7e 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -177,6 +177,20 @@ static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { }, }, { + /* Gigabyte T1005 - defines wrong chassis type ("Other") */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "T1005"), + }, + }, + { + /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), + DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"), + }, + }, + { .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"), @@ -321,6 +335,12 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { }, { .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), + DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"), + }, + }, + { + .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"), DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"), }, diff --git a/drivers/input/tablet/wacom_wac.c b/drivers/input/tablet/wacom_wac.c index 002041975de9..2a81ce375f75 100644 --- a/drivers/input/tablet/wacom_wac.c +++ b/drivers/input/tablet/wacom_wac.c @@ -1530,7 +1530,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOOL_TRIPLETAP, input_dev->keybit); __set_bit(BTN_TOOL_QUADTAP, input_dev->keybit); - input_mt_init_slots(input_dev, features->touch_max); + input_mt_init_slots(input_dev, features->touch_max, 0); input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, 255, 0, 0); @@ -1575,7 +1575,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, case TABLETPC2FG: if (features->device_type == BTN_TOOL_FINGER) { - input_mt_init_slots(input_dev, features->touch_max); + input_mt_init_slots(input_dev, features->touch_max, 0); input_set_abs_params(input_dev, ABS_MT_TOOL_TYPE, 0, MT_TOOL_MAX, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_X, @@ -1631,7 +1631,7 @@ int wacom_setup_input_capabilities(struct input_dev *input_dev, __set_bit(BTN_TOOL_FINGER, input_dev->keybit); __set_bit(BTN_TOOL_DOUBLETAP, input_dev->keybit); - input_mt_init_slots(input_dev, features->touch_max); + input_mt_init_slots(input_dev, features->touch_max, 0); if (features->pktlen == WACOM_PKGLEN_BBTOUCH3) { __set_bit(BTN_TOOL_TRIPLETAP, @@ -1848,7 +1848,10 @@ static const struct wacom_features wacom_features_0x2A = { "Wacom Intuos5 M", WACOM_PKGLEN_INTUOS, 44704, 27940, 2047, 63, INTUOS5, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0xF4 = - { "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, + { "Wacom Cintiq 24HD", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, + 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; +static const struct wacom_features wacom_features_0xF8 = + { "Wacom Cintiq 24HD touch", WACOM_PKGLEN_INTUOS, 104480, 65600, 2047, 63, WACOM_24HD, WACOM_INTUOS3_RES, WACOM_INTUOS3_RES }; static const struct wacom_features wacom_features_0x3F = { "Wacom Cintiq 21UX", WACOM_PKGLEN_INTUOS, 87200, 65600, 1023, @@ -2091,6 +2094,7 @@ const struct usb_device_id wacom_ids[] = { { USB_DEVICE_WACOM(0xEF) }, { USB_DEVICE_WACOM(0x47) }, { USB_DEVICE_WACOM(0xF4) }, + { USB_DEVICE_WACOM(0xF8) }, { USB_DEVICE_WACOM(0xFA) }, { USB_DEVICE_LENOVO(0x6004) }, { } diff --git a/drivers/input/touchscreen/atmel_mxt_ts.c b/drivers/input/touchscreen/atmel_mxt_ts.c index 4623cc69fc60..e92615d0b1b0 100644 --- a/drivers/input/touchscreen/atmel_mxt_ts.c +++ b/drivers/input/touchscreen/atmel_mxt_ts.c @@ -1152,7 +1152,7 @@ static int __devinit mxt_probe(struct i2c_client *client, /* For multi touch */ num_mt_slots = data->T9_reportid_max - data->T9_reportid_min + 1; - error = input_mt_init_slots(input_dev, num_mt_slots); + error = input_mt_init_slots(input_dev, num_mt_slots, 0); if (error) goto err_free_object; input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, diff --git a/drivers/input/touchscreen/cyttsp_core.c b/drivers/input/touchscreen/cyttsp_core.c index f030d9ec795d..8e60437ac85b 100644 --- a/drivers/input/touchscreen/cyttsp_core.c +++ b/drivers/input/touchscreen/cyttsp_core.c @@ -571,7 +571,7 @@ struct cyttsp *cyttsp_probe(const struct cyttsp_bus_ops *bus_ops, input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, CY_MAXZ, 0, 0); - input_mt_init_slots(input_dev, CY_MAX_ID); + input_mt_init_slots(input_dev, CY_MAX_ID, 0); error = request_threaded_irq(ts->irq, NULL, cyttsp_irq, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, diff --git a/drivers/input/touchscreen/edt-ft5x06.c b/drivers/input/touchscreen/edt-ft5x06.c index 9afc777a40a7..099d144ab7c9 100644 --- a/drivers/input/touchscreen/edt-ft5x06.c +++ b/drivers/input/touchscreen/edt-ft5x06.c @@ -566,9 +566,12 @@ static ssize_t edt_ft5x06_debugfs_raw_data_read(struct file *file, } read = min_t(size_t, count, tsdata->raw_bufsize - *off); - error = copy_to_user(buf, tsdata->raw_buffer + *off, read); - if (!error) - *off += read; + if (copy_to_user(buf, tsdata->raw_buffer + *off, read)) { + error = -EFAULT; + goto out; + } + + *off += read; out: mutex_unlock(&tsdata->mutex); return error ?: read; @@ -602,6 +605,7 @@ edt_ft5x06_ts_teardown_debugfs(struct edt_ft5x06_ts_data *tsdata) { if (tsdata->debug_dir) debugfs_remove_recursive(tsdata->debug_dir); + kfree(tsdata->raw_buffer); } #else @@ -778,7 +782,7 @@ static int __devinit edt_ft5x06_ts_probe(struct i2c_client *client, 0, tsdata->num_x * 64 - 1, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, tsdata->num_y * 64 - 1, 0, 0); - error = input_mt_init_slots(input, MAX_SUPPORT_POINTS); + error = input_mt_init_slots(input, MAX_SUPPORT_POINTS, 0); if (error) { dev_err(&client->dev, "Unable to init MT slots.\n"); goto err_free_mem; @@ -843,7 +847,6 @@ static int __devexit edt_ft5x06_ts_remove(struct i2c_client *client) if (gpio_is_valid(pdata->reset_pin)) gpio_free(pdata->reset_pin); - kfree(tsdata->raw_buffer); kfree(tsdata); return 0; diff --git a/drivers/input/touchscreen/egalax_ts.c b/drivers/input/touchscreen/egalax_ts.c index 70524dd34f42..c1e3460f1195 100644 --- a/drivers/input/touchscreen/egalax_ts.c +++ b/drivers/input/touchscreen/egalax_ts.c @@ -204,7 +204,7 @@ static int __devinit egalax_ts_probe(struct i2c_client *client, ABS_MT_POSITION_X, 0, EGALAX_MAX_X, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_X, 0, EGALAX_MAX_Y, 0, 0); - input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS); + input_mt_init_slots(input_dev, MAX_SUPPORT_POINTS, 0); input_set_drvdata(input_dev, ts); diff --git a/drivers/input/touchscreen/ili210x.c b/drivers/input/touchscreen/ili210x.c index c0044175a921..4ac69760ec08 100644 --- a/drivers/input/touchscreen/ili210x.c +++ b/drivers/input/touchscreen/ili210x.c @@ -252,7 +252,7 @@ static int __devinit ili210x_i2c_probe(struct i2c_client *client, input_set_abs_params(input, ABS_Y, 0, ymax, 0, 0); /* Multi touch */ - input_mt_init_slots(input, MAX_TOUCHES); + input_mt_init_slots(input, MAX_TOUCHES, 0); input_set_abs_params(input, ABS_MT_POSITION_X, 0, xmax, 0, 0); input_set_abs_params(input, ABS_MT_POSITION_Y, 0, ymax, 0, 0); diff --git a/drivers/input/touchscreen/mms114.c b/drivers/input/touchscreen/mms114.c index 49c44bbf548d..560cf09d1c5a 100644 --- a/drivers/input/touchscreen/mms114.c +++ b/drivers/input/touchscreen/mms114.c @@ -404,7 +404,7 @@ static int __devinit mms114_probe(struct i2c_client *client, input_set_abs_params(input_dev, ABS_Y, 0, data->pdata->y_size, 0, 0); /* For multi touch */ - input_mt_init_slots(input_dev, MMS114_MAX_TOUCH); + input_mt_init_slots(input_dev, MMS114_MAX_TOUCH, 0); input_set_abs_params(input_dev, ABS_MT_TOUCH_MAJOR, 0, MMS114_MAX_AREA, 0, 0); input_set_abs_params(input_dev, ABS_MT_POSITION_X, diff --git a/drivers/input/touchscreen/penmount.c b/drivers/input/touchscreen/penmount.c index 4ccde45b9da2..b49f0b836925 100644 --- a/drivers/input/touchscreen/penmount.c +++ b/drivers/input/touchscreen/penmount.c @@ -264,7 +264,7 @@ static int pm_connect(struct serio *serio, struct serio_driver *drv) input_set_abs_params(pm->dev, ABS_Y, 0, max_y, 0, 0); if (pm->maxcontacts > 1) { - input_mt_init_slots(pm->dev, pm->maxcontacts); + input_mt_init_slots(pm->dev, pm->maxcontacts, 0); input_set_abs_params(pm->dev, ABS_MT_POSITION_X, 0, max_x, 0, 0); input_set_abs_params(pm->dev, diff --git a/drivers/input/touchscreen/usbtouchscreen.c b/drivers/input/touchscreen/usbtouchscreen.c index e32709e0dd65..721fdb3597ca 100644 --- a/drivers/input/touchscreen/usbtouchscreen.c +++ b/drivers/input/touchscreen/usbtouchscreen.c @@ -304,6 +304,45 @@ static int e2i_read_data(struct usbtouch_usb *dev, unsigned char *pkt) #define EGALAX_PKT_TYPE_REPT 0x80 #define EGALAX_PKT_TYPE_DIAG 0x0A +static int egalax_init(struct usbtouch_usb *usbtouch) +{ + int ret, i; + unsigned char *buf; + struct usb_device *udev = interface_to_usbdev(usbtouch->interface); + + /* + * An eGalax diagnostic packet kicks the device into using the right + * protocol. We send a "check active" packet. The response will be + * read later and ignored. + */ + + buf = kmalloc(3, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + buf[0] = EGALAX_PKT_TYPE_DIAG; + buf[1] = 1; /* length */ + buf[2] = 'A'; /* command - check active */ + + for (i = 0; i < 3; i++) { + ret = usb_control_msg(udev, usb_sndctrlpipe(udev, 0), + 0, + USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, + 0, 0, buf, 3, + USB_CTRL_SET_TIMEOUT); + if (ret >= 0) { + ret = 0; + break; + } + if (ret != -EPIPE) + break; + } + + kfree(buf); + + return ret; +} + static int egalax_read_data(struct usbtouch_usb *dev, unsigned char *pkt) { if ((pkt[0] & EGALAX_PKT_TYPE_MASK) != EGALAX_PKT_TYPE_REPT) @@ -1056,6 +1095,7 @@ static struct usbtouch_device_info usbtouch_dev_info[] = { .process_pkt = usbtouch_process_multi, .get_pkt_len = egalax_get_pkt_len, .read_data = egalax_read_data, + .init = egalax_init, }, #endif diff --git a/drivers/input/touchscreen/wacom_w8001.c b/drivers/input/touchscreen/wacom_w8001.c index 8f9ad2f893b8..9a83be6b6584 100644 --- a/drivers/input/touchscreen/wacom_w8001.c +++ b/drivers/input/touchscreen/wacom_w8001.c @@ -471,7 +471,7 @@ static int w8001_setup(struct w8001 *w8001) case 5: w8001->pktlen = W8001_PKTLEN_TOUCH2FG; - input_mt_init_slots(dev, 2); + input_mt_init_slots(dev, 2, 0); input_set_abs_params(dev, ABS_MT_POSITION_X, 0, touch.x, 0, 0); input_set_abs_params(dev, ABS_MT_POSITION_Y, diff --git a/drivers/isdn/hardware/mISDN/avmfritz.c b/drivers/isdn/hardware/mISDN/avmfritz.c index fa6ca4733725..dceaec821b0e 100644 --- a/drivers/isdn/hardware/mISDN/avmfritz.c +++ b/drivers/isdn/hardware/mISDN/avmfritz.c @@ -857,8 +857,9 @@ avm_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) switch (cmd) { case CLOSE_CHANNEL: test_and_clear_bit(FLG_OPEN, &bch->Flags); + cancel_work_sync(&bch->workq); spin_lock_irqsave(&fc->lock, flags); - mISDN_freebchannel(bch); + mISDN_clear_bchannel(bch); modehdlc(bch, ISDN_P_NONE); spin_unlock_irqrestore(&fc->lock, flags); ch->protocol = ISDN_P_NONE; diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c index 5e402cf2e795..f02794203bb1 100644 --- a/drivers/isdn/hardware/mISDN/hfcmulti.c +++ b/drivers/isdn/hardware/mISDN/hfcmulti.c @@ -5059,6 +5059,7 @@ hfcmulti_init(struct hm_map *m, struct pci_dev *pdev, printk(KERN_INFO "HFC-E1 #%d has overlapping B-channels on fragment #%d\n", E1_cnt + 1, pt); + kfree(hc); return -EINVAL; } maskcheck |= hc->bmask[pt]; @@ -5086,6 +5087,7 @@ hfcmulti_init(struct hm_map *m, struct pci_dev *pdev, if ((poll >> 1) > sizeof(hc->silence_data)) { printk(KERN_ERR "HFCMULTI error: silence_data too small, " "please fix\n"); + kfree(hc); return -EINVAL; } for (i = 0; i < (poll >> 1); i++) diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c index 752e0825591f..ccd7d851be26 100644 --- a/drivers/isdn/hardware/mISDN/mISDNipac.c +++ b/drivers/isdn/hardware/mISDN/mISDNipac.c @@ -1406,8 +1406,9 @@ hscx_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) switch (cmd) { case CLOSE_CHANNEL: test_and_clear_bit(FLG_OPEN, &bch->Flags); + cancel_work_sync(&bch->workq); spin_lock_irqsave(hx->ip->hwlock, flags); - mISDN_freebchannel(bch); + mISDN_clear_bchannel(bch); hscx_mode(hx, ISDN_P_NONE); spin_unlock_irqrestore(hx->ip->hwlock, flags); ch->protocol = ISDN_P_NONE; diff --git a/drivers/isdn/hardware/mISDN/mISDNisar.c b/drivers/isdn/hardware/mISDN/mISDNisar.c index be5973ded6d6..182ecf0626c2 100644 --- a/drivers/isdn/hardware/mISDN/mISDNisar.c +++ b/drivers/isdn/hardware/mISDN/mISDNisar.c @@ -1588,8 +1588,9 @@ isar_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) switch (cmd) { case CLOSE_CHANNEL: test_and_clear_bit(FLG_OPEN, &bch->Flags); + cancel_work_sync(&bch->workq); spin_lock_irqsave(ich->is->hwlock, flags); - mISDN_freebchannel(bch); + mISDN_clear_bchannel(bch); modeisar(ich, ISDN_P_NONE); spin_unlock_irqrestore(ich->is->hwlock, flags); ch->protocol = ISDN_P_NONE; diff --git a/drivers/isdn/hardware/mISDN/netjet.c b/drivers/isdn/hardware/mISDN/netjet.c index c3e3e7686273..9bcade59eb73 100644 --- a/drivers/isdn/hardware/mISDN/netjet.c +++ b/drivers/isdn/hardware/mISDN/netjet.c @@ -812,8 +812,9 @@ nj_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) switch (cmd) { case CLOSE_CHANNEL: test_and_clear_bit(FLG_OPEN, &bch->Flags); + cancel_work_sync(&bch->workq); spin_lock_irqsave(&card->lock, flags); - mISDN_freebchannel(bch); + mISDN_clear_bchannel(bch); mode_tiger(bc, ISDN_P_NONE); spin_unlock_irqrestore(&card->lock, flags); ch->protocol = ISDN_P_NONE; diff --git a/drivers/isdn/hardware/mISDN/w6692.c b/drivers/isdn/hardware/mISDN/w6692.c index 26a86b846099..335fe6455002 100644 --- a/drivers/isdn/hardware/mISDN/w6692.c +++ b/drivers/isdn/hardware/mISDN/w6692.c @@ -1054,8 +1054,9 @@ w6692_bctrl(struct mISDNchannel *ch, u32 cmd, void *arg) switch (cmd) { case CLOSE_CHANNEL: test_and_clear_bit(FLG_OPEN, &bch->Flags); + cancel_work_sync(&bch->workq); spin_lock_irqsave(&card->lock, flags); - mISDN_freebchannel(bch); + mISDN_clear_bchannel(bch); w6692_mode(bc, ISDN_P_NONE); spin_unlock_irqrestore(&card->lock, flags); ch->protocol = ISDN_P_NONE; diff --git a/drivers/isdn/mISDN/hwchannel.c b/drivers/isdn/mISDN/hwchannel.c index ef34fd40867c..2602be23f341 100644 --- a/drivers/isdn/mISDN/hwchannel.c +++ b/drivers/isdn/mISDN/hwchannel.c @@ -148,17 +148,16 @@ mISDN_clear_bchannel(struct bchannel *ch) ch->next_minlen = ch->init_minlen; ch->maxlen = ch->init_maxlen; ch->next_maxlen = ch->init_maxlen; + skb_queue_purge(&ch->rqueue); + ch->rcount = 0; } EXPORT_SYMBOL(mISDN_clear_bchannel); -int +void mISDN_freebchannel(struct bchannel *ch) { + cancel_work_sync(&ch->workq); mISDN_clear_bchannel(ch); - skb_queue_purge(&ch->rqueue); - ch->rcount = 0; - flush_work_sync(&ch->workq); - return 0; } EXPORT_SYMBOL(mISDN_freebchannel); diff --git a/drivers/md/md.c b/drivers/md/md.c index 3f6203a4c7ea..308e87b417e0 100644 --- a/drivers/md/md.c +++ b/drivers/md/md.c @@ -7619,6 +7619,8 @@ static int remove_and_add_spares(struct mddev *mddev) } } } + if (removed) + set_bit(MD_CHANGE_DEVS, &mddev->flags); return spares; } @@ -7632,9 +7634,11 @@ static void reap_sync_thread(struct mddev *mddev) !test_bit(MD_RECOVERY_REQUESTED, &mddev->recovery)) { /* success...*/ /* activate any spares */ - if (mddev->pers->spare_active(mddev)) + if (mddev->pers->spare_active(mddev)) { sysfs_notify(&mddev->kobj, NULL, "degraded"); + set_bit(MD_CHANGE_DEVS, &mddev->flags); + } } if (test_bit(MD_RECOVERY_RESHAPE, &mddev->recovery) && mddev->pers->finish_reshape) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index adda94df5eb2..7031b865b3a0 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -393,6 +393,8 @@ static int calc_degraded(struct r5conf *conf) degraded = 0; for (i = 0; i < conf->previous_raid_disks; i++) { struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev); + if (rdev && test_bit(Faulty, &rdev->flags)) + rdev = rcu_dereference(conf->disks[i].replacement); if (!rdev || test_bit(Faulty, &rdev->flags)) degraded++; else if (test_bit(In_sync, &rdev->flags)) @@ -417,6 +419,8 @@ static int calc_degraded(struct r5conf *conf) degraded2 = 0; for (i = 0; i < conf->raid_disks; i++) { struct md_rdev *rdev = rcu_dereference(conf->disks[i].rdev); + if (rdev && test_bit(Faulty, &rdev->flags)) + rdev = rcu_dereference(conf->disks[i].replacement); if (!rdev || test_bit(Faulty, &rdev->flags)) degraded2++; else if (test_bit(In_sync, &rdev->flags)) @@ -4192,7 +4196,7 @@ static void make_request(struct mddev *mddev, struct bio * bi) finish_wait(&conf->wait_for_overlap, &w); set_bit(STRIPE_HANDLE, &sh->state); clear_bit(STRIPE_DELAYED, &sh->state); - if ((bi->bi_rw & REQ_NOIDLE) && + if ((bi->bi_rw & REQ_SYNC) && !test_and_set_bit(STRIPE_PREREAD_ACTIVE, &sh->state)) atomic_inc(&conf->preread_active_stripes); release_stripe_plug(mddev, sh); diff --git a/drivers/mfd/88pm800.c b/drivers/mfd/88pm800.c index b67a3018b136..ce229ea933d1 100644 --- a/drivers/mfd/88pm800.c +++ b/drivers/mfd/88pm800.c @@ -470,7 +470,8 @@ static int __devinit device_800_init(struct pm80x_chip *chip, ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], - ARRAY_SIZE(onkey_devs), &onkey_resources[0], 0); + ARRAY_SIZE(onkey_devs), &onkey_resources[0], 0, + NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add onkey subdev\n"); goto out_dev; @@ -481,7 +482,7 @@ static int __devinit device_800_init(struct pm80x_chip *chip, rtc_devs[0].platform_data = pdata->rtc; rtc_devs[0].pdata_size = sizeof(struct pm80x_rtc_pdata); ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], - ARRAY_SIZE(rtc_devs), NULL, 0); + ARRAY_SIZE(rtc_devs), NULL, 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add rtc subdev\n"); goto out_dev; diff --git a/drivers/mfd/88pm805.c b/drivers/mfd/88pm805.c index 6146583589f6..c20a31136f04 100644 --- a/drivers/mfd/88pm805.c +++ b/drivers/mfd/88pm805.c @@ -216,7 +216,8 @@ static int __devinit device_805_init(struct pm80x_chip *chip) } ret = mfd_add_devices(chip->dev, 0, &codec_devs[0], - ARRAY_SIZE(codec_devs), &codec_resources[0], 0); + ARRAY_SIZE(codec_devs), &codec_resources[0], 0, + NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add codec subdev\n"); goto out_codec; diff --git a/drivers/mfd/88pm860x-core.c b/drivers/mfd/88pm860x-core.c index d09918cf1b15..b73f033b2c60 100644 --- a/drivers/mfd/88pm860x-core.c +++ b/drivers/mfd/88pm860x-core.c @@ -637,7 +637,7 @@ static void __devinit device_bk_init(struct pm860x_chip *chip, bk_devs[i].resources = &bk_resources[j]; ret = mfd_add_devices(chip->dev, 0, &bk_devs[i], 1, - &bk_resources[j], 0); + &bk_resources[j], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add " "backlight subdev\n"); @@ -672,7 +672,7 @@ static void __devinit device_led_init(struct pm860x_chip *chip, led_devs[i].resources = &led_resources[j], ret = mfd_add_devices(chip->dev, 0, &led_devs[i], 1, - &led_resources[j], 0); + &led_resources[j], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add " "led subdev\n"); @@ -709,7 +709,7 @@ static void __devinit device_regulator_init(struct pm860x_chip *chip, regulator_devs[i].resources = ®ulator_resources[seq]; ret = mfd_add_devices(chip->dev, 0, ®ulator_devs[i], 1, - ®ulator_resources[seq], 0); + ®ulator_resources[seq], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add regulator subdev\n"); goto out; @@ -733,7 +733,7 @@ static void __devinit device_rtc_init(struct pm860x_chip *chip, rtc_devs[0].resources = &rtc_resources[0]; ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], ARRAY_SIZE(rtc_devs), &rtc_resources[0], - chip->irq_base); + chip->irq_base, NULL); if (ret < 0) dev_err(chip->dev, "Failed to add rtc subdev\n"); } @@ -752,7 +752,7 @@ static void __devinit device_touch_init(struct pm860x_chip *chip, touch_devs[0].resources = &touch_resources[0]; ret = mfd_add_devices(chip->dev, 0, &touch_devs[0], ARRAY_SIZE(touch_devs), &touch_resources[0], - chip->irq_base); + chip->irq_base, NULL); if (ret < 0) dev_err(chip->dev, "Failed to add touch subdev\n"); } @@ -770,7 +770,7 @@ static void __devinit device_power_init(struct pm860x_chip *chip, power_devs[0].num_resources = ARRAY_SIZE(battery_resources); power_devs[0].resources = &battery_resources[0], ret = mfd_add_devices(chip->dev, 0, &power_devs[0], 1, - &battery_resources[0], chip->irq_base); + &battery_resources[0], chip->irq_base, NULL); if (ret < 0) dev_err(chip->dev, "Failed to add battery subdev\n"); @@ -779,7 +779,7 @@ static void __devinit device_power_init(struct pm860x_chip *chip, power_devs[1].num_resources = ARRAY_SIZE(charger_resources); power_devs[1].resources = &charger_resources[0], ret = mfd_add_devices(chip->dev, 0, &power_devs[1], 1, - &charger_resources[0], chip->irq_base); + &charger_resources[0], chip->irq_base, NULL); if (ret < 0) dev_err(chip->dev, "Failed to add charger subdev\n"); @@ -788,7 +788,7 @@ static void __devinit device_power_init(struct pm860x_chip *chip, power_devs[2].num_resources = ARRAY_SIZE(preg_resources); power_devs[2].resources = &preg_resources[0], ret = mfd_add_devices(chip->dev, 0, &power_devs[2], 1, - &preg_resources[0], chip->irq_base); + &preg_resources[0], chip->irq_base, NULL); if (ret < 0) dev_err(chip->dev, "Failed to add preg subdev\n"); } @@ -802,7 +802,7 @@ static void __devinit device_onkey_init(struct pm860x_chip *chip, onkey_devs[0].resources = &onkey_resources[0], ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], ARRAY_SIZE(onkey_devs), &onkey_resources[0], - chip->irq_base); + chip->irq_base, NULL); if (ret < 0) dev_err(chip->dev, "Failed to add onkey subdev\n"); } @@ -815,7 +815,8 @@ static void __devinit device_codec_init(struct pm860x_chip *chip, codec_devs[0].num_resources = ARRAY_SIZE(codec_resources); codec_devs[0].resources = &codec_resources[0], ret = mfd_add_devices(chip->dev, 0, &codec_devs[0], - ARRAY_SIZE(codec_devs), &codec_resources[0], 0); + ARRAY_SIZE(codec_devs), &codec_resources[0], 0, + NULL); if (ret < 0) dev_err(chip->dev, "Failed to add codec subdev\n"); } diff --git a/drivers/mfd/aat2870-core.c b/drivers/mfd/aat2870-core.c index 44a3fdbadef4..f1beb4971f87 100644 --- a/drivers/mfd/aat2870-core.c +++ b/drivers/mfd/aat2870-core.c @@ -424,7 +424,7 @@ static int aat2870_i2c_probe(struct i2c_client *client, } ret = mfd_add_devices(aat2870->dev, 0, aat2870_devs, - ARRAY_SIZE(aat2870_devs), NULL, 0); + ARRAY_SIZE(aat2870_devs), NULL, 0, NULL); if (ret != 0) { dev_err(aat2870->dev, "Failed to add subdev: %d\n", ret); goto out_disable; diff --git a/drivers/mfd/ab3100-core.c b/drivers/mfd/ab3100-core.c index 78fca2902c8d..01781ae5d0d7 100644 --- a/drivers/mfd/ab3100-core.c +++ b/drivers/mfd/ab3100-core.c @@ -946,7 +946,7 @@ static int __devinit ab3100_probe(struct i2c_client *client, } err = mfd_add_devices(&client->dev, 0, ab3100_devs, - ARRAY_SIZE(ab3100_devs), NULL, 0); + ARRAY_SIZE(ab3100_devs), NULL, 0, NULL); ab3100_setup_debugfs(ab3100); diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c index 626b4ecaf647..47adf800024e 100644 --- a/drivers/mfd/ab8500-core.c +++ b/drivers/mfd/ab8500-core.c @@ -1418,25 +1418,25 @@ static int __devinit ab8500_probe(struct platform_device *pdev) ret = mfd_add_devices(ab8500->dev, 0, abx500_common_devs, ARRAY_SIZE(abx500_common_devs), NULL, - ab8500->irq_base); + ab8500->irq_base, ab8500->domain); if (ret) goto out_freeirq; if (is_ab9540(ab8500)) ret = mfd_add_devices(ab8500->dev, 0, ab9540_devs, ARRAY_SIZE(ab9540_devs), NULL, - ab8500->irq_base); + ab8500->irq_base, ab8500->domain); else ret = mfd_add_devices(ab8500->dev, 0, ab8500_devs, ARRAY_SIZE(ab8500_devs), NULL, - ab8500->irq_base); + ab8500->irq_base, ab8500->domain); if (ret) goto out_freeirq; if (is_ab9540(ab8500) || is_ab8505(ab8500)) ret = mfd_add_devices(ab8500->dev, 0, ab9540_ab8505_devs, ARRAY_SIZE(ab9540_ab8505_devs), NULL, - ab8500->irq_base); + ab8500->irq_base, ab8500->domain); if (ret) goto out_freeirq; @@ -1444,7 +1444,7 @@ static int __devinit ab8500_probe(struct platform_device *pdev) /* Add battery management devices */ ret = mfd_add_devices(ab8500->dev, 0, ab8500_bm_devs, ARRAY_SIZE(ab8500_bm_devs), NULL, - ab8500->irq_base); + ab8500->irq_base, ab8500->domain); if (ret) dev_err(ab8500->dev, "error adding bm devices\n"); } diff --git a/drivers/mfd/arizona-core.c b/drivers/mfd/arizona-core.c index c7983e862549..1b48f2094806 100644 --- a/drivers/mfd/arizona-core.c +++ b/drivers/mfd/arizona-core.c @@ -316,7 +316,7 @@ int __devinit arizona_dev_init(struct arizona *arizona) } ret = mfd_add_devices(arizona->dev, -1, early_devs, - ARRAY_SIZE(early_devs), NULL, 0); + ARRAY_SIZE(early_devs), NULL, 0, NULL); if (ret != 0) { dev_err(dev, "Failed to add early children: %d\n", ret); return ret; @@ -516,11 +516,11 @@ int __devinit arizona_dev_init(struct arizona *arizona) switch (arizona->type) { case WM5102: ret = mfd_add_devices(arizona->dev, -1, wm5102_devs, - ARRAY_SIZE(wm5102_devs), NULL, 0); + ARRAY_SIZE(wm5102_devs), NULL, 0, NULL); break; case WM5110: ret = mfd_add_devices(arizona->dev, -1, wm5110_devs, - ARRAY_SIZE(wm5102_devs), NULL, 0); + ARRAY_SIZE(wm5102_devs), NULL, 0, NULL); break; } diff --git a/drivers/mfd/asic3.c b/drivers/mfd/asic3.c index 683e18a23329..62f0883a7630 100644 --- a/drivers/mfd/asic3.c +++ b/drivers/mfd/asic3.c @@ -913,14 +913,14 @@ static int __init asic3_mfd_probe(struct platform_device *pdev, if (pdata->clock_rate) { ds1wm_pdata.clock_rate = pdata->clock_rate; ret = mfd_add_devices(&pdev->dev, pdev->id, - &asic3_cell_ds1wm, 1, mem, asic->irq_base); + &asic3_cell_ds1wm, 1, mem, asic->irq_base, NULL); if (ret < 0) goto out; } if (mem_sdio && (irq >= 0)) { ret = mfd_add_devices(&pdev->dev, pdev->id, - &asic3_cell_mmc, 1, mem_sdio, irq); + &asic3_cell_mmc, 1, mem_sdio, irq, NULL); if (ret < 0) goto out; } @@ -934,7 +934,7 @@ static int __init asic3_mfd_probe(struct platform_device *pdev, asic3_cell_leds[i].pdata_size = sizeof(pdata->leds[i]); } ret = mfd_add_devices(&pdev->dev, 0, - asic3_cell_leds, ASIC3_NUM_LEDS, NULL, 0); + asic3_cell_leds, ASIC3_NUM_LEDS, NULL, 0, NULL); } out: diff --git a/drivers/mfd/cs5535-mfd.c b/drivers/mfd/cs5535-mfd.c index 3419e726de47..2b282133c725 100644 --- a/drivers/mfd/cs5535-mfd.c +++ b/drivers/mfd/cs5535-mfd.c @@ -149,7 +149,7 @@ static int __devinit cs5535_mfd_probe(struct pci_dev *pdev, } err = mfd_add_devices(&pdev->dev, -1, cs5535_mfd_cells, - ARRAY_SIZE(cs5535_mfd_cells), NULL, 0); + ARRAY_SIZE(cs5535_mfd_cells), NULL, 0, NULL); if (err) { dev_err(&pdev->dev, "MFD add devices failed: %d\n", err); goto err_disable; diff --git a/drivers/mfd/da9052-core.c b/drivers/mfd/da9052-core.c index 2544910e1fd6..a0a62b24621b 100644 --- a/drivers/mfd/da9052-core.c +++ b/drivers/mfd/da9052-core.c @@ -803,7 +803,7 @@ int __devinit da9052_device_init(struct da9052 *da9052, u8 chip_id) dev_err(da9052->dev, "DA9052 ADC IRQ failed ret=%d\n", ret); ret = mfd_add_devices(da9052->dev, -1, da9052_subdev_info, - ARRAY_SIZE(da9052_subdev_info), NULL, 0); + ARRAY_SIZE(da9052_subdev_info), NULL, 0, NULL); if (ret) goto err; diff --git a/drivers/mfd/davinci_voicecodec.c b/drivers/mfd/davinci_voicecodec.c index 4e2af2cb2d26..45e83a68641b 100644 --- a/drivers/mfd/davinci_voicecodec.c +++ b/drivers/mfd/davinci_voicecodec.c @@ -129,7 +129,7 @@ static int __init davinci_vc_probe(struct platform_device *pdev) cell->pdata_size = sizeof(*davinci_vc); ret = mfd_add_devices(&pdev->dev, pdev->id, davinci_vc->cells, - DAVINCI_VC_CELLS, NULL, 0); + DAVINCI_VC_CELLS, NULL, 0, NULL); if (ret != 0) { dev_err(&pdev->dev, "fail to register client devices\n"); goto fail4; diff --git a/drivers/mfd/db8500-prcmu.c b/drivers/mfd/db8500-prcmu.c index 7040a0081130..0e63cdd9b52a 100644 --- a/drivers/mfd/db8500-prcmu.c +++ b/drivers/mfd/db8500-prcmu.c @@ -3010,7 +3010,7 @@ static int __devinit db8500_prcmu_probe(struct platform_device *pdev) prcmu_config_esram0_deep_sleep(ESRAM0_DEEP_SLEEP_STATE_RET); err = mfd_add_devices(&pdev->dev, 0, db8500_prcmu_devs, - ARRAY_SIZE(db8500_prcmu_devs), NULL, 0); + ARRAY_SIZE(db8500_prcmu_devs), NULL, 0, NULL); if (err) { pr_err("prcmu: Failed to add subdevices\n"); return err; diff --git a/drivers/mfd/htc-pasic3.c b/drivers/mfd/htc-pasic3.c index 04c7093d6499..9e5453d21a68 100644 --- a/drivers/mfd/htc-pasic3.c +++ b/drivers/mfd/htc-pasic3.c @@ -168,7 +168,7 @@ static int __init pasic3_probe(struct platform_device *pdev) /* the first 5 PASIC3 registers control the DS1WM */ ds1wm_resources[0].end = (5 << asic->bus_shift) - 1; ret = mfd_add_devices(&pdev->dev, pdev->id, - &ds1wm_cell, 1, r, irq); + &ds1wm_cell, 1, r, irq, NULL); if (ret < 0) dev_warn(dev, "failed to register DS1WM\n"); } @@ -176,7 +176,8 @@ static int __init pasic3_probe(struct platform_device *pdev) if (pdata && pdata->led_pdata) { led_cell.platform_data = pdata->led_pdata; led_cell.pdata_size = sizeof(struct pasic3_leds_machinfo); - ret = mfd_add_devices(&pdev->dev, pdev->id, &led_cell, 1, r, 0); + ret = mfd_add_devices(&pdev->dev, pdev->id, &led_cell, 1, r, + 0, NULL); if (ret < 0) dev_warn(dev, "failed to register LED device\n"); } diff --git a/drivers/mfd/intel_msic.c b/drivers/mfd/intel_msic.c index 59df5584cb58..266bdc5bd96d 100644 --- a/drivers/mfd/intel_msic.c +++ b/drivers/mfd/intel_msic.c @@ -344,13 +344,13 @@ static int __devinit intel_msic_init_devices(struct intel_msic *msic) continue; ret = mfd_add_devices(&pdev->dev, -1, &msic_devs[i], 1, NULL, - pdata->irq[i]); + pdata->irq[i], NULL); if (ret) goto fail; } ret = mfd_add_devices(&pdev->dev, 0, msic_other_devs, - ARRAY_SIZE(msic_other_devs), NULL, 0); + ARRAY_SIZE(msic_other_devs), NULL, 0, NULL); if (ret) goto fail; diff --git a/drivers/mfd/janz-cmodio.c b/drivers/mfd/janz-cmodio.c index 2ea99989551a..965c4801df8a 100644 --- a/drivers/mfd/janz-cmodio.c +++ b/drivers/mfd/janz-cmodio.c @@ -147,7 +147,7 @@ static int __devinit cmodio_probe_submodules(struct cmodio_device *priv) } return mfd_add_devices(&pdev->dev, 0, priv->cells, - num_probed, NULL, pdev->irq); + num_probed, NULL, pdev->irq, NULL); } /* diff --git a/drivers/mfd/jz4740-adc.c b/drivers/mfd/jz4740-adc.c index 87662a17dec6..c6b6d7dda517 100644 --- a/drivers/mfd/jz4740-adc.c +++ b/drivers/mfd/jz4740-adc.c @@ -287,7 +287,8 @@ static int __devinit jz4740_adc_probe(struct platform_device *pdev) writeb(0xff, adc->base + JZ_REG_ADC_CTRL); ret = mfd_add_devices(&pdev->dev, 0, jz4740_adc_cells, - ARRAY_SIZE(jz4740_adc_cells), mem_base, irq_base); + ARRAY_SIZE(jz4740_adc_cells), mem_base, + irq_base, NULL); if (ret < 0) goto err_clk_put; diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c index 0b2879b87fd9..24212f45b201 100644 --- a/drivers/mfd/lm3533-core.c +++ b/drivers/mfd/lm3533-core.c @@ -393,7 +393,8 @@ static int __devinit lm3533_device_als_init(struct lm3533 *lm3533) lm3533_als_devs[0].platform_data = pdata->als; lm3533_als_devs[0].pdata_size = sizeof(*pdata->als); - ret = mfd_add_devices(lm3533->dev, 0, lm3533_als_devs, 1, NULL, 0); + ret = mfd_add_devices(lm3533->dev, 0, lm3533_als_devs, 1, NULL, + 0, NULL); if (ret) { dev_err(lm3533->dev, "failed to add ALS device\n"); return ret; @@ -422,7 +423,7 @@ static int __devinit lm3533_device_bl_init(struct lm3533 *lm3533) } ret = mfd_add_devices(lm3533->dev, 0, lm3533_bl_devs, - pdata->num_backlights, NULL, 0); + pdata->num_backlights, NULL, 0, NULL); if (ret) { dev_err(lm3533->dev, "failed to add backlight devices\n"); return ret; @@ -451,7 +452,7 @@ static int __devinit lm3533_device_led_init(struct lm3533 *lm3533) } ret = mfd_add_devices(lm3533->dev, 0, lm3533_led_devs, - pdata->num_leds, NULL, 0); + pdata->num_leds, NULL, 0, NULL); if (ret) { dev_err(lm3533->dev, "failed to add LED devices\n"); return ret; diff --git a/drivers/mfd/lpc_ich.c b/drivers/mfd/lpc_ich.c index 027cc8f86132..092ad4b44b6d 100644 --- a/drivers/mfd/lpc_ich.c +++ b/drivers/mfd/lpc_ich.c @@ -750,7 +750,7 @@ gpe0_done: lpc_ich_finalize_cell(&lpc_ich_cells[LPC_GPIO], id); ret = mfd_add_devices(&dev->dev, -1, &lpc_ich_cells[LPC_GPIO], - 1, NULL, 0); + 1, NULL, 0, NULL); gpio_done: if (acpi_conflict) @@ -765,7 +765,6 @@ static int __devinit lpc_ich_init_wdt(struct pci_dev *dev, u32 base_addr_cfg; u32 base_addr; int ret; - bool acpi_conflict = false; struct resource *res; /* Setup power management base register */ @@ -780,20 +779,11 @@ static int __devinit lpc_ich_init_wdt(struct pci_dev *dev, res = wdt_io_res(ICH_RES_IO_TCO); res->start = base_addr + ACPIBASE_TCO_OFF; res->end = base_addr + ACPIBASE_TCO_END; - ret = acpi_check_resource_conflict(res); - if (ret) { - acpi_conflict = true; - goto wdt_done; - } res = wdt_io_res(ICH_RES_IO_SMI); res->start = base_addr + ACPIBASE_SMI_OFF; res->end = base_addr + ACPIBASE_SMI_END; - ret = acpi_check_resource_conflict(res); - if (ret) { - acpi_conflict = true; - goto wdt_done; - } + lpc_ich_enable_acpi_space(dev); /* @@ -813,21 +803,13 @@ static int __devinit lpc_ich_init_wdt(struct pci_dev *dev, res = wdt_mem_res(ICH_RES_MEM_GCS); res->start = base_addr + ACPIBASE_GCS_OFF; res->end = base_addr + ACPIBASE_GCS_END; - ret = acpi_check_resource_conflict(res); - if (ret) { - acpi_conflict = true; - goto wdt_done; - } } lpc_ich_finalize_cell(&lpc_ich_cells[LPC_WDT], id); ret = mfd_add_devices(&dev->dev, -1, &lpc_ich_cells[LPC_WDT], - 1, NULL, 0); + 1, NULL, 0, NULL); wdt_done: - if (acpi_conflict) - pr_warn("Resource conflict(s) found affecting %s\n", - lpc_ich_cells[LPC_WDT].name); return ret; } diff --git a/drivers/mfd/lpc_sch.c b/drivers/mfd/lpc_sch.c index 9f20abc5e393..f6b9c5c96b24 100644 --- a/drivers/mfd/lpc_sch.c +++ b/drivers/mfd/lpc_sch.c @@ -127,7 +127,8 @@ static int __devinit lpc_sch_probe(struct pci_dev *dev, lpc_sch_cells[i].id = id->device; ret = mfd_add_devices(&dev->dev, 0, - lpc_sch_cells, ARRAY_SIZE(lpc_sch_cells), NULL, 0); + lpc_sch_cells, ARRAY_SIZE(lpc_sch_cells), NULL, + 0, NULL); if (ret) goto out_dev; @@ -153,7 +154,8 @@ static int __devinit lpc_sch_probe(struct pci_dev *dev, tunnelcreek_cells[i].id = id->device; ret = mfd_add_devices(&dev->dev, 0, tunnelcreek_cells, - ARRAY_SIZE(tunnelcreek_cells), NULL, 0); + ARRAY_SIZE(tunnelcreek_cells), NULL, + 0, NULL); } return ret; diff --git a/drivers/mfd/max77686.c b/drivers/mfd/max77686.c index c03e12b51924..d9e24c849a00 100644 --- a/drivers/mfd/max77686.c +++ b/drivers/mfd/max77686.c @@ -126,7 +126,7 @@ static int max77686_i2c_probe(struct i2c_client *i2c, max77686_irq_init(max77686); ret = mfd_add_devices(max77686->dev, -1, max77686_devs, - ARRAY_SIZE(max77686_devs), NULL, 0); + ARRAY_SIZE(max77686_devs), NULL, 0, NULL); if (ret < 0) goto err_mfd; diff --git a/drivers/mfd/max77693-irq.c b/drivers/mfd/max77693-irq.c index 2b403569e0a6..1029d018c739 100644 --- a/drivers/mfd/max77693-irq.c +++ b/drivers/mfd/max77693-irq.c @@ -137,6 +137,9 @@ static void max77693_irq_mask(struct irq_data *data) const struct max77693_irq_data *irq_data = irq_to_max77693_irq(max77693, data->irq); + if (irq_data->group >= MAX77693_IRQ_GROUP_NR) + return; + if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3) max77693->irq_masks_cur[irq_data->group] &= ~irq_data->mask; else @@ -149,6 +152,9 @@ static void max77693_irq_unmask(struct irq_data *data) const struct max77693_irq_data *irq_data = irq_to_max77693_irq(max77693, data->irq); + if (irq_data->group >= MAX77693_IRQ_GROUP_NR) + return; + if (irq_data->group >= MUIC_INT1 && irq_data->group <= MUIC_INT3) max77693->irq_masks_cur[irq_data->group] |= irq_data->mask; else @@ -200,7 +206,7 @@ static irqreturn_t max77693_irq_thread(int irq, void *data) if (irq_src & MAX77693_IRQSRC_MUIC) /* MUIC INT1 ~ INT3 */ - max77693_bulk_read(max77693->regmap, MAX77693_MUIC_REG_INT1, + max77693_bulk_read(max77693->regmap_muic, MAX77693_MUIC_REG_INT1, MAX77693_NUM_IRQ_MUIC_REGS, &irq_reg[MUIC_INT1]); /* Apply masking */ @@ -255,7 +261,8 @@ int max77693_irq_init(struct max77693_dev *max77693) { struct irq_domain *domain; int i; - int ret; + int ret = 0; + u8 intsrc_mask; mutex_init(&max77693->irqlock); @@ -287,19 +294,38 @@ int max77693_irq_init(struct max77693_dev *max77693) &max77693_irq_domain_ops, max77693); if (!domain) { dev_err(max77693->dev, "could not create irq domain\n"); - return -ENODEV; + ret = -ENODEV; + goto err_irq; } max77693->irq_domain = domain; + /* Unmask max77693 interrupt */ + ret = max77693_read_reg(max77693->regmap, + MAX77693_PMIC_REG_INTSRC_MASK, &intsrc_mask); + if (ret < 0) { + dev_err(max77693->dev, "fail to read PMIC register\n"); + goto err_irq; + } + + intsrc_mask &= ~(MAX77693_IRQSRC_CHG); + intsrc_mask &= ~(MAX77693_IRQSRC_FLASH); + intsrc_mask &= ~(MAX77693_IRQSRC_MUIC); + ret = max77693_write_reg(max77693->regmap, + MAX77693_PMIC_REG_INTSRC_MASK, intsrc_mask); + if (ret < 0) { + dev_err(max77693->dev, "fail to write PMIC register\n"); + goto err_irq; + } + ret = request_threaded_irq(max77693->irq, NULL, max77693_irq_thread, IRQF_TRIGGER_FALLING | IRQF_ONESHOT, "max77693-irq", max77693); - if (ret) dev_err(max77693->dev, "Failed to request IRQ %d: %d\n", max77693->irq, ret); - return 0; +err_irq: + return ret; } void max77693_irq_exit(struct max77693_dev *max77693) diff --git a/drivers/mfd/max77693.c b/drivers/mfd/max77693.c index a1811cb50ec7..cc5155e20494 100644 --- a/drivers/mfd/max77693.c +++ b/drivers/mfd/max77693.c @@ -152,6 +152,20 @@ static int max77693_i2c_probe(struct i2c_client *i2c, max77693->haptic = i2c_new_dummy(i2c->adapter, I2C_ADDR_HAPTIC); i2c_set_clientdata(max77693->haptic, max77693); + /* + * Initialize register map for MUIC device because use regmap-muic + * instance of MUIC device when irq of max77693 is initialized + * before call max77693-muic probe() function. + */ + max77693->regmap_muic = devm_regmap_init_i2c(max77693->muic, + &max77693_regmap_config); + if (IS_ERR(max77693->regmap_muic)) { + ret = PTR_ERR(max77693->regmap_muic); + dev_err(max77693->dev, + "failed to allocate register map: %d\n", ret); + goto err_regmap; + } + ret = max77693_irq_init(max77693); if (ret < 0) goto err_irq; @@ -159,7 +173,7 @@ static int max77693_i2c_probe(struct i2c_client *i2c, pm_runtime_set_active(max77693->dev); ret = mfd_add_devices(max77693->dev, -1, max77693_devs, - ARRAY_SIZE(max77693_devs), NULL, 0); + ARRAY_SIZE(max77693_devs), NULL, 0, NULL); if (ret < 0) goto err_mfd; diff --git a/drivers/mfd/max8925-core.c b/drivers/mfd/max8925-core.c index 825a7f06d9ba..ee53757beca7 100644 --- a/drivers/mfd/max8925-core.c +++ b/drivers/mfd/max8925-core.c @@ -598,7 +598,7 @@ int __devinit max8925_device_init(struct max8925_chip *chip, ret = mfd_add_devices(chip->dev, 0, &rtc_devs[0], ARRAY_SIZE(rtc_devs), - &rtc_resources[0], chip->irq_base); + &rtc_resources[0], chip->irq_base, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add rtc subdev\n"); goto out; @@ -606,7 +606,7 @@ int __devinit max8925_device_init(struct max8925_chip *chip, ret = mfd_add_devices(chip->dev, 0, &onkey_devs[0], ARRAY_SIZE(onkey_devs), - &onkey_resources[0], 0); + &onkey_resources[0], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add onkey subdev\n"); goto out_dev; @@ -615,7 +615,7 @@ int __devinit max8925_device_init(struct max8925_chip *chip, if (pdata) { ret = mfd_add_devices(chip->dev, 0, ®ulator_devs[0], ARRAY_SIZE(regulator_devs), - ®ulator_resources[0], 0); + ®ulator_resources[0], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add regulator subdev\n"); goto out_dev; @@ -625,7 +625,7 @@ int __devinit max8925_device_init(struct max8925_chip *chip, if (pdata && pdata->backlight) { ret = mfd_add_devices(chip->dev, 0, &backlight_devs[0], ARRAY_SIZE(backlight_devs), - &backlight_resources[0], 0); + &backlight_resources[0], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add backlight subdev\n"); goto out_dev; @@ -635,7 +635,7 @@ int __devinit max8925_device_init(struct max8925_chip *chip, if (pdata && pdata->power) { ret = mfd_add_devices(chip->dev, 0, &power_devs[0], ARRAY_SIZE(power_devs), - &power_supply_resources[0], 0); + &power_supply_resources[0], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add power supply " "subdev\n"); @@ -646,7 +646,7 @@ int __devinit max8925_device_init(struct max8925_chip *chip, if (pdata && pdata->touch) { ret = mfd_add_devices(chip->dev, 0, &touch_devs[0], ARRAY_SIZE(touch_devs), - &touch_resources[0], 0); + &touch_resources[0], 0, NULL); if (ret < 0) { dev_err(chip->dev, "Failed to add touch subdev\n"); goto out_dev; diff --git a/drivers/mfd/max8997.c b/drivers/mfd/max8997.c index 10b629c245b6..f123517065ec 100644 --- a/drivers/mfd/max8997.c +++ b/drivers/mfd/max8997.c @@ -160,7 +160,7 @@ static int max8997_i2c_probe(struct i2c_client *i2c, mfd_add_devices(max8997->dev, -1, max8997_devs, ARRAY_SIZE(max8997_devs), - NULL, 0); + NULL, 0, NULL); /* * TODO: enable others (flash, muic, rtc, battery, ...) and diff --git a/drivers/mfd/max8998.c b/drivers/mfd/max8998.c index 6ef56d28c056..d7218cc90945 100644 --- a/drivers/mfd/max8998.c +++ b/drivers/mfd/max8998.c @@ -161,13 +161,13 @@ static int max8998_i2c_probe(struct i2c_client *i2c, switch (id->driver_data) { case TYPE_LP3974: ret = mfd_add_devices(max8998->dev, -1, - lp3974_devs, ARRAY_SIZE(lp3974_devs), - NULL, 0); + lp3974_devs, ARRAY_SIZE(lp3974_devs), + NULL, 0, NULL); break; case TYPE_MAX8998: ret = mfd_add_devices(max8998->dev, -1, - max8998_devs, ARRAY_SIZE(max8998_devs), - NULL, 0); + max8998_devs, ARRAY_SIZE(max8998_devs), + NULL, 0, NULL); break; default: ret = -EINVAL; diff --git a/drivers/mfd/mc13xxx-core.c b/drivers/mfd/mc13xxx-core.c index b801dc72f041..1ec79b54bd2f 100644 --- a/drivers/mfd/mc13xxx-core.c +++ b/drivers/mfd/mc13xxx-core.c @@ -612,7 +612,7 @@ static int mc13xxx_add_subdevice_pdata(struct mc13xxx *mc13xxx, if (!cell.name) return -ENOMEM; - return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0); + return mfd_add_devices(mc13xxx->dev, -1, &cell, 1, NULL, 0, NULL); } static int mc13xxx_add_subdevice(struct mc13xxx *mc13xxx, const char *format) diff --git a/drivers/mfd/mfd-core.c b/drivers/mfd/mfd-core.c index 0c3a01cde2f7..f8b77711ad2d 100644 --- a/drivers/mfd/mfd-core.c +++ b/drivers/mfd/mfd-core.c @@ -74,12 +74,11 @@ static int mfd_platform_add_cell(struct platform_device *pdev, static int mfd_add_device(struct device *parent, int id, const struct mfd_cell *cell, struct resource *mem_base, - int irq_base) + int irq_base, struct irq_domain *domain) { struct resource *res; struct platform_device *pdev; struct device_node *np = NULL; - struct irq_domain *domain = NULL; int ret = -ENOMEM; int r; @@ -97,7 +96,6 @@ static int mfd_add_device(struct device *parent, int id, for_each_child_of_node(parent->of_node, np) { if (of_device_is_compatible(np, cell->of_compatible)) { pdev->dev.of_node = np; - domain = irq_find_host(parent->of_node); break; } } @@ -177,7 +175,7 @@ fail_alloc: int mfd_add_devices(struct device *parent, int id, struct mfd_cell *cells, int n_devs, struct resource *mem_base, - int irq_base) + int irq_base, struct irq_domain *domain) { int i; int ret = 0; @@ -191,7 +189,8 @@ int mfd_add_devices(struct device *parent, int id, for (i = 0; i < n_devs; i++) { atomic_set(&cnts[i], 0); cells[i].usage_count = &cnts[i]; - ret = mfd_add_device(parent, id, cells + i, mem_base, irq_base); + ret = mfd_add_device(parent, id, cells + i, mem_base, + irq_base, domain); if (ret) break; } @@ -247,7 +246,8 @@ int mfd_clone_cell(const char *cell, const char **clones, size_t n_clones) for (i = 0; i < n_clones; i++) { cell_entry.name = clones[i]; /* don't give up if a single call fails; just report error */ - if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0)) + if (mfd_add_device(pdev->dev.parent, -1, &cell_entry, NULL, 0, + NULL)) dev_err(dev, "failed to create platform device '%s'\n", clones[i]); } diff --git a/drivers/mfd/palmas.c b/drivers/mfd/palmas.c index c4a69f193a1d..a345f9bb7b47 100644 --- a/drivers/mfd/palmas.c +++ b/drivers/mfd/palmas.c @@ -453,7 +453,8 @@ static int __devinit palmas_i2c_probe(struct i2c_client *i2c, ret = mfd_add_devices(palmas->dev, -1, children, ARRAY_SIZE(palmas_children), - NULL, regmap_irq_chip_get_base(palmas->irq_data)); + NULL, regmap_irq_chip_get_base(palmas->irq_data), + NULL); kfree(children); if (ret < 0) diff --git a/drivers/mfd/rc5t583.c b/drivers/mfd/rc5t583.c index cdc1df7fa0e9..3a8fa88567b1 100644 --- a/drivers/mfd/rc5t583.c +++ b/drivers/mfd/rc5t583.c @@ -289,7 +289,7 @@ static int __devinit rc5t583_i2c_probe(struct i2c_client *i2c, } ret = mfd_add_devices(rc5t583->dev, -1, rc5t583_subdevs, - ARRAY_SIZE(rc5t583_subdevs), NULL, 0); + ARRAY_SIZE(rc5t583_subdevs), NULL, 0, NULL); if (ret) { dev_err(&i2c->dev, "add mfd devices failed: %d\n", ret); goto err_add_devs; diff --git a/drivers/mfd/rdc321x-southbridge.c b/drivers/mfd/rdc321x-southbridge.c index 685d61e431ad..0f70dce61160 100644 --- a/drivers/mfd/rdc321x-southbridge.c +++ b/drivers/mfd/rdc321x-southbridge.c @@ -87,7 +87,8 @@ static int __devinit rdc321x_sb_probe(struct pci_dev *pdev, rdc321x_wdt_pdata.sb_pdev = pdev; return mfd_add_devices(&pdev->dev, -1, - rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), NULL, 0); + rdc321x_sb_cells, ARRAY_SIZE(rdc321x_sb_cells), + NULL, 0, NULL); } static void __devexit rdc321x_sb_remove(struct pci_dev *pdev) diff --git a/drivers/mfd/sec-core.c b/drivers/mfd/sec-core.c index 2988efde11eb..49d361a618d0 100644 --- a/drivers/mfd/sec-core.c +++ b/drivers/mfd/sec-core.c @@ -141,19 +141,19 @@ static int sec_pmic_probe(struct i2c_client *i2c, switch (sec_pmic->device_type) { case S5M8751X: ret = mfd_add_devices(sec_pmic->dev, -1, s5m8751_devs, - ARRAY_SIZE(s5m8751_devs), NULL, 0); + ARRAY_SIZE(s5m8751_devs), NULL, 0, NULL); break; case S5M8763X: ret = mfd_add_devices(sec_pmic->dev, -1, s5m8763_devs, - ARRAY_SIZE(s5m8763_devs), NULL, 0); + ARRAY_SIZE(s5m8763_devs), NULL, 0, NULL); break; case S5M8767X: ret = mfd_add_devices(sec_pmic->dev, -1, s5m8767_devs, - ARRAY_SIZE(s5m8767_devs), NULL, 0); + ARRAY_SIZE(s5m8767_devs), NULL, 0, NULL); break; case S2MPS11X: ret = mfd_add_devices(sec_pmic->dev, -1, s2mps11_devs, - ARRAY_SIZE(s2mps11_devs), NULL, 0); + ARRAY_SIZE(s2mps11_devs), NULL, 0, NULL); break; default: /* If this happens the probe function is problem */ diff --git a/drivers/mfd/sta2x11-mfd.c b/drivers/mfd/sta2x11-mfd.c index d31fed07aefb..d35da6820bea 100644 --- a/drivers/mfd/sta2x11-mfd.c +++ b/drivers/mfd/sta2x11-mfd.c @@ -407,7 +407,7 @@ static int __devinit sta2x11_mfd_probe(struct pci_dev *pdev, sta2x11_mfd_bar0, ARRAY_SIZE(sta2x11_mfd_bar0), &pdev->resource[0], - 0); + 0, NULL); if (err) { dev_err(&pdev->dev, "mfd_add_devices[0] failed: %d\n", err); goto err_disable; @@ -417,7 +417,7 @@ static int __devinit sta2x11_mfd_probe(struct pci_dev *pdev, sta2x11_mfd_bar1, ARRAY_SIZE(sta2x11_mfd_bar1), &pdev->resource[1], - 0); + 0, NULL); if (err) { dev_err(&pdev->dev, "mfd_add_devices[1] failed: %d\n", err); goto err_disable; diff --git a/drivers/mfd/stmpe.c b/drivers/mfd/stmpe.c index 2dd8d49cb30b..c94f521f392c 100644 --- a/drivers/mfd/stmpe.c +++ b/drivers/mfd/stmpe.c @@ -962,7 +962,7 @@ static int __devinit stmpe_add_device(struct stmpe *stmpe, struct mfd_cell *cell, int irq) { return mfd_add_devices(stmpe->dev, stmpe->pdata->id, cell, 1, - NULL, stmpe->irq_base + irq); + NULL, stmpe->irq_base + irq, NULL); } static int __devinit stmpe_devices_init(struct stmpe *stmpe) diff --git a/drivers/mfd/t7l66xb.c b/drivers/mfd/t7l66xb.c index 2d9e8799e733..b32940ec9034 100644 --- a/drivers/mfd/t7l66xb.c +++ b/drivers/mfd/t7l66xb.c @@ -388,7 +388,7 @@ static int t7l66xb_probe(struct platform_device *dev) ret = mfd_add_devices(&dev->dev, dev->id, t7l66xb_cells, ARRAY_SIZE(t7l66xb_cells), - iomem, t7l66xb->irq_base); + iomem, t7l66xb->irq_base, NULL); if (!ret) return 0; diff --git a/drivers/mfd/tc3589x.c b/drivers/mfd/tc3589x.c index 048bf0532a09..b56ba6b43294 100644 --- a/drivers/mfd/tc3589x.c +++ b/drivers/mfd/tc3589x.c @@ -262,8 +262,8 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x) if (blocks & TC3589x_BLOCK_GPIO) { ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_gpio, - ARRAY_SIZE(tc3589x_dev_gpio), NULL, - tc3589x->irq_base); + ARRAY_SIZE(tc3589x_dev_gpio), NULL, + tc3589x->irq_base, NULL); if (ret) { dev_err(tc3589x->dev, "failed to add gpio child\n"); return ret; @@ -273,8 +273,8 @@ static int __devinit tc3589x_device_init(struct tc3589x *tc3589x) if (blocks & TC3589x_BLOCK_KEYPAD) { ret = mfd_add_devices(tc3589x->dev, -1, tc3589x_dev_keypad, - ARRAY_SIZE(tc3589x_dev_keypad), NULL, - tc3589x->irq_base); + ARRAY_SIZE(tc3589x_dev_keypad), NULL, + tc3589x->irq_base, NULL); if (ret) { dev_err(tc3589x->dev, "failed to keypad child\n"); return ret; diff --git a/drivers/mfd/tc6387xb.c b/drivers/mfd/tc6387xb.c index d20a284ad4ba..413c891102f8 100644 --- a/drivers/mfd/tc6387xb.c +++ b/drivers/mfd/tc6387xb.c @@ -192,7 +192,7 @@ static int __devinit tc6387xb_probe(struct platform_device *dev) printk(KERN_INFO "Toshiba tc6387xb initialised\n"); ret = mfd_add_devices(&dev->dev, dev->id, tc6387xb_cells, - ARRAY_SIZE(tc6387xb_cells), iomem, irq); + ARRAY_SIZE(tc6387xb_cells), iomem, irq, NULL); if (!ret) return 0; diff --git a/drivers/mfd/tc6393xb.c b/drivers/mfd/tc6393xb.c index 9612264f0e6d..dcab026fcbb2 100644 --- a/drivers/mfd/tc6393xb.c +++ b/drivers/mfd/tc6393xb.c @@ -700,8 +700,8 @@ static int __devinit tc6393xb_probe(struct platform_device *dev) tc6393xb_cells[TC6393XB_CELL_FB].pdata_size = sizeof(*tcpd->fb_data); ret = mfd_add_devices(&dev->dev, dev->id, - tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells), - iomem, tcpd->irq_base); + tc6393xb_cells, ARRAY_SIZE(tc6393xb_cells), + iomem, tcpd->irq_base, NULL); if (!ret) return 0; diff --git a/drivers/mfd/ti-ssp.c b/drivers/mfd/ti-ssp.c index 4fb0e6c8e8fe..7c3675a74f93 100644 --- a/drivers/mfd/ti-ssp.c +++ b/drivers/mfd/ti-ssp.c @@ -412,7 +412,7 @@ static int __devinit ti_ssp_probe(struct platform_device *pdev) cells[id].data_size = data->pdata_size; } - error = mfd_add_devices(dev, 0, cells, 2, NULL, 0); + error = mfd_add_devices(dev, 0, cells, 2, NULL, 0, NULL); if (error < 0) { dev_err(dev, "cannot add mfd cells\n"); goto error_enable; diff --git a/drivers/mfd/timberdale.c b/drivers/mfd/timberdale.c index a447f4ec11fb..cccc626c83c8 100644 --- a/drivers/mfd/timberdale.c +++ b/drivers/mfd/timberdale.c @@ -757,25 +757,25 @@ static int __devinit timb_probe(struct pci_dev *dev, err = mfd_add_devices(&dev->dev, -1, timberdale_cells_bar0_cfg0, ARRAY_SIZE(timberdale_cells_bar0_cfg0), - &dev->resource[0], msix_entries[0].vector); + &dev->resource[0], msix_entries[0].vector, NULL); break; case TIMB_HW_VER1: err = mfd_add_devices(&dev->dev, -1, timberdale_cells_bar0_cfg1, ARRAY_SIZE(timberdale_cells_bar0_cfg1), - &dev->resource[0], msix_entries[0].vector); + &dev->resource[0], msix_entries[0].vector, NULL); break; case TIMB_HW_VER2: err = mfd_add_devices(&dev->dev, -1, timberdale_cells_bar0_cfg2, ARRAY_SIZE(timberdale_cells_bar0_cfg2), - &dev->resource[0], msix_entries[0].vector); + &dev->resource[0], msix_entries[0].vector, NULL); break; case TIMB_HW_VER3: err = mfd_add_devices(&dev->dev, -1, timberdale_cells_bar0_cfg3, ARRAY_SIZE(timberdale_cells_bar0_cfg3), - &dev->resource[0], msix_entries[0].vector); + &dev->resource[0], msix_entries[0].vector, NULL); break; default: dev_err(&dev->dev, "Uknown IP setup: %d.%d.%d\n", @@ -792,7 +792,7 @@ static int __devinit timb_probe(struct pci_dev *dev, err = mfd_add_devices(&dev->dev, 0, timberdale_cells_bar1, ARRAY_SIZE(timberdale_cells_bar1), - &dev->resource[1], msix_entries[0].vector); + &dev->resource[1], msix_entries[0].vector, NULL); if (err) { dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); goto err_mfd2; @@ -803,7 +803,7 @@ static int __devinit timb_probe(struct pci_dev *dev, ((priv->fw.config & TIMB_HW_VER_MASK) == TIMB_HW_VER3)) { err = mfd_add_devices(&dev->dev, 1, timberdale_cells_bar2, ARRAY_SIZE(timberdale_cells_bar2), - &dev->resource[2], msix_entries[0].vector); + &dev->resource[2], msix_entries[0].vector, NULL); if (err) { dev_err(&dev->dev, "mfd_add_devices failed: %d\n", err); goto err_mfd2; diff --git a/drivers/mfd/tps6105x.c b/drivers/mfd/tps6105x.c index a293b978e27c..14051bdc714b 100644 --- a/drivers/mfd/tps6105x.c +++ b/drivers/mfd/tps6105x.c @@ -188,7 +188,7 @@ static int __devinit tps6105x_probe(struct i2c_client *client, } ret = mfd_add_devices(&client->dev, 0, tps6105x_cells, - ARRAY_SIZE(tps6105x_cells), NULL, 0); + ARRAY_SIZE(tps6105x_cells), NULL, 0, NULL); if (ret) goto fail; diff --git a/drivers/mfd/tps6507x.c b/drivers/mfd/tps6507x.c index 33ba7723c967..1b203499c744 100644 --- a/drivers/mfd/tps6507x.c +++ b/drivers/mfd/tps6507x.c @@ -100,7 +100,7 @@ static int tps6507x_i2c_probe(struct i2c_client *i2c, ret = mfd_add_devices(tps6507x->dev, -1, tps6507x_devs, ARRAY_SIZE(tps6507x_devs), - NULL, 0); + NULL, 0, NULL); if (ret < 0) goto err; diff --git a/drivers/mfd/tps65090.c b/drivers/mfd/tps65090.c index 80e24f4b47bf..50fd87c87a1c 100644 --- a/drivers/mfd/tps65090.c +++ b/drivers/mfd/tps65090.c @@ -292,7 +292,7 @@ static int __devinit tps65090_i2c_probe(struct i2c_client *client, } ret = mfd_add_devices(tps65090->dev, -1, tps65090s, - ARRAY_SIZE(tps65090s), NULL, 0); + ARRAY_SIZE(tps65090s), NULL, 0, NULL); if (ret) { dev_err(&client->dev, "add mfd devices failed with err: %d\n", ret); diff --git a/drivers/mfd/tps65217.c b/drivers/mfd/tps65217.c index 61c097a98f5d..a95e9421b735 100644 --- a/drivers/mfd/tps65217.c +++ b/drivers/mfd/tps65217.c @@ -24,11 +24,18 @@ #include <linux/slab.h> #include <linux/regmap.h> #include <linux/err.h> -#include <linux/regulator/of_regulator.h> +#include <linux/of.h> +#include <linux/of_device.h> #include <linux/mfd/core.h> #include <linux/mfd/tps65217.h> +static struct mfd_cell tps65217s[] = { + { + .name = "tps65217-pmic", + }, +}; + /** * tps65217_reg_read: Read a single tps65217 register. * @@ -133,83 +140,48 @@ int tps65217_clear_bits(struct tps65217 *tps, unsigned int reg, } EXPORT_SYMBOL_GPL(tps65217_clear_bits); -#ifdef CONFIG_OF -static struct of_regulator_match reg_matches[] = { - { .name = "dcdc1", .driver_data = (void *)TPS65217_DCDC_1 }, - { .name = "dcdc2", .driver_data = (void *)TPS65217_DCDC_2 }, - { .name = "dcdc3", .driver_data = (void *)TPS65217_DCDC_3 }, - { .name = "ldo1", .driver_data = (void *)TPS65217_LDO_1 }, - { .name = "ldo2", .driver_data = (void *)TPS65217_LDO_2 }, - { .name = "ldo3", .driver_data = (void *)TPS65217_LDO_3 }, - { .name = "ldo4", .driver_data = (void *)TPS65217_LDO_4 }, -}; - -static struct tps65217_board *tps65217_parse_dt(struct i2c_client *client) -{ - struct device_node *node = client->dev.of_node; - struct tps65217_board *pdata; - struct device_node *regs; - int count = ARRAY_SIZE(reg_matches); - int ret, i; - - regs = of_find_node_by_name(node, "regulators"); - if (!regs) - return NULL; - - ret = of_regulator_match(&client->dev, regs, reg_matches, count); - of_node_put(regs); - if ((ret < 0) || (ret > count)) - return NULL; - - count = ret; - pdata = devm_kzalloc(&client->dev, count * sizeof(*pdata), GFP_KERNEL); - if (!pdata) - return NULL; - - for (i = 0; i < count; i++) { - if (!reg_matches[i].init_data || !reg_matches[i].of_node) - continue; - - pdata->tps65217_init_data[i] = reg_matches[i].init_data; - pdata->of_node[i] = reg_matches[i].of_node; - } - - return pdata; -} - -static struct of_device_id tps65217_of_match[] = { - { .compatible = "ti,tps65217", }, - { }, -}; -#else -static struct tps65217_board *tps65217_parse_dt(struct i2c_client *client) -{ - return NULL; -} -#endif - static struct regmap_config tps65217_regmap_config = { .reg_bits = 8, .val_bits = 8, }; +static const struct of_device_id tps65217_of_match[] = { + { .compatible = "ti,tps65217", .data = (void *)TPS65217 }, + { /* sentinel */ }, +}; + static int __devinit tps65217_probe(struct i2c_client *client, const struct i2c_device_id *ids) { struct tps65217 *tps; - struct regulator_init_data *reg_data; - struct tps65217_board *pdata = client->dev.platform_data; - int i, ret; unsigned int version; + unsigned int chip_id = ids->driver_data; + const struct of_device_id *match; + int ret; - if (!pdata && client->dev.of_node) - pdata = tps65217_parse_dt(client); + if (client->dev.of_node) { + match = of_match_device(tps65217_of_match, &client->dev); + if (!match) { + dev_err(&client->dev, + "Failed to find matching dt id\n"); + return -EINVAL; + } + chip_id = (unsigned int)match->data; + } + + if (!chip_id) { + dev_err(&client->dev, "id is null.\n"); + return -ENODEV; + } tps = devm_kzalloc(&client->dev, sizeof(*tps), GFP_KERNEL); if (!tps) return -ENOMEM; - tps->pdata = pdata; + i2c_set_clientdata(client, tps); + tps->dev = &client->dev; + tps->id = chip_id; + tps->regmap = devm_regmap_init_i2c(client, &tps65217_regmap_config); if (IS_ERR(tps->regmap)) { ret = PTR_ERR(tps->regmap); @@ -218,8 +190,12 @@ static int __devinit tps65217_probe(struct i2c_client *client, return ret; } - i2c_set_clientdata(client, tps); - tps->dev = &client->dev; + ret = mfd_add_devices(tps->dev, -1, tps65217s, + ARRAY_SIZE(tps65217s), NULL, 0, NULL); + if (ret < 0) { + dev_err(tps->dev, "mfd_add_devices failed: %d\n", ret); + return ret; + } ret = tps65217_reg_read(tps, TPS65217_REG_CHIPID, &version); if (ret < 0) { @@ -232,41 +208,21 @@ static int __devinit tps65217_probe(struct i2c_client *client, (version & TPS65217_CHIPID_CHIP_MASK) >> 4, version & TPS65217_CHIPID_REV_MASK); - for (i = 0; i < TPS65217_NUM_REGULATOR; i++) { - struct platform_device *pdev; - - pdev = platform_device_alloc("tps65217-pmic", i); - if (!pdev) { - dev_err(tps->dev, "Cannot create regulator %d\n", i); - continue; - } - - pdev->dev.parent = tps->dev; - pdev->dev.of_node = pdata->of_node[i]; - reg_data = pdata->tps65217_init_data[i]; - platform_device_add_data(pdev, reg_data, sizeof(*reg_data)); - tps->regulator_pdev[i] = pdev; - - platform_device_add(pdev); - } - return 0; } static int __devexit tps65217_remove(struct i2c_client *client) { struct tps65217 *tps = i2c_get_clientdata(client); - int i; - for (i = 0; i < TPS65217_NUM_REGULATOR; i++) - platform_device_unregister(tps->regulator_pdev[i]); + mfd_remove_devices(tps->dev); return 0; } static const struct i2c_device_id tps65217_id_table[] = { - {"tps65217", 0xF0}, - {/* end of list */} + {"tps65217", TPS65217}, + { /* sentinel */ } }; MODULE_DEVICE_TABLE(i2c, tps65217_id_table); diff --git a/drivers/mfd/tps6586x.c b/drivers/mfd/tps6586x.c index 353c34812120..5f58370ccf55 100644 --- a/drivers/mfd/tps6586x.c +++ b/drivers/mfd/tps6586x.c @@ -493,7 +493,8 @@ static int __devinit tps6586x_i2c_probe(struct i2c_client *client, } ret = mfd_add_devices(tps6586x->dev, -1, - tps6586x_cell, ARRAY_SIZE(tps6586x_cell), NULL, 0); + tps6586x_cell, ARRAY_SIZE(tps6586x_cell), + NULL, 0, NULL); if (ret < 0) { dev_err(&client->dev, "mfd_add_devices failed: %d\n", ret); goto err_mfd_add; diff --git a/drivers/mfd/tps65910.c b/drivers/mfd/tps65910.c index 1c563792c777..d3ce4d569deb 100644 --- a/drivers/mfd/tps65910.c +++ b/drivers/mfd/tps65910.c @@ -254,7 +254,7 @@ static __devinit int tps65910_i2c_probe(struct i2c_client *i2c, ret = mfd_add_devices(tps65910->dev, -1, tps65910s, ARRAY_SIZE(tps65910s), - NULL, 0); + NULL, 0, NULL); if (ret < 0) { dev_err(&i2c->dev, "mfd_add_devices failed: %d\n", ret); return ret; diff --git a/drivers/mfd/tps65912-core.c b/drivers/mfd/tps65912-core.c index 74fd8cb5f372..4658b5bdcd84 100644 --- a/drivers/mfd/tps65912-core.c +++ b/drivers/mfd/tps65912-core.c @@ -146,7 +146,7 @@ int tps65912_device_init(struct tps65912 *tps65912) ret = mfd_add_devices(tps65912->dev, -1, tps65912s, ARRAY_SIZE(tps65912s), - NULL, 0); + NULL, 0, NULL); if (ret < 0) goto err; diff --git a/drivers/mfd/twl4030-audio.c b/drivers/mfd/twl4030-audio.c index 838ce4eb444e..77c9acb14583 100644 --- a/drivers/mfd/twl4030-audio.c +++ b/drivers/mfd/twl4030-audio.c @@ -223,7 +223,7 @@ static int __devinit twl4030_audio_probe(struct platform_device *pdev) if (childs) ret = mfd_add_devices(&pdev->dev, pdev->id, audio->cells, - childs, NULL, 0); + childs, NULL, 0, NULL); else { dev_err(&pdev->dev, "No platform data found for childs\n"); ret = -ENODEV; diff --git a/drivers/mfd/twl6040-core.c b/drivers/mfd/twl6040-core.c index b0fad0ffca56..3dca5c195a20 100644 --- a/drivers/mfd/twl6040-core.c +++ b/drivers/mfd/twl6040-core.c @@ -632,7 +632,7 @@ static int __devinit twl6040_probe(struct i2c_client *client, } ret = mfd_add_devices(&client->dev, -1, twl6040->cells, children, - NULL, 0); + NULL, 0, NULL); if (ret) goto mfd_err; diff --git a/drivers/mfd/vx855.c b/drivers/mfd/vx855.c index 872aff21e4be..b9a636d44c7f 100644 --- a/drivers/mfd/vx855.c +++ b/drivers/mfd/vx855.c @@ -102,7 +102,7 @@ static __devinit int vx855_probe(struct pci_dev *pdev, vx855_gpio_resources[1].end = vx855_gpio_resources[1].start + 3; ret = mfd_add_devices(&pdev->dev, -1, vx855_cells, ARRAY_SIZE(vx855_cells), - NULL, 0); + NULL, 0, NULL); /* we always return -ENODEV here in order to enable other * drivers like old, not-yet-platform_device ported i2c-viapro */ diff --git a/drivers/mfd/wl1273-core.c b/drivers/mfd/wl1273-core.c index f39b756df561..86e0e4309fc2 100644 --- a/drivers/mfd/wl1273-core.c +++ b/drivers/mfd/wl1273-core.c @@ -241,7 +241,7 @@ static int __devinit wl1273_core_probe(struct i2c_client *client, __func__, children); r = mfd_add_devices(&client->dev, -1, core->cells, - children, NULL, 0); + children, NULL, 0, NULL); if (r) goto err; diff --git a/drivers/mfd/wm831x-core.c b/drivers/mfd/wm831x-core.c index 946698fd2dc6..301731035940 100644 --- a/drivers/mfd/wm831x-core.c +++ b/drivers/mfd/wm831x-core.c @@ -1813,27 +1813,27 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) case WM8310: ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8310_devs, ARRAY_SIZE(wm8310_devs), - NULL, 0); + NULL, 0, NULL); break; case WM8311: ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8311_devs, ARRAY_SIZE(wm8311_devs), - NULL, 0); + NULL, 0, NULL); if (!pdata || !pdata->disable_touch) mfd_add_devices(wm831x->dev, wm831x_num, touch_devs, ARRAY_SIZE(touch_devs), - NULL, 0); + NULL, 0, NULL); break; case WM8312: ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8312_devs, ARRAY_SIZE(wm8312_devs), - NULL, 0); + NULL, 0, NULL); if (!pdata || !pdata->disable_touch) mfd_add_devices(wm831x->dev, wm831x_num, touch_devs, ARRAY_SIZE(touch_devs), - NULL, 0); + NULL, 0, NULL); break; case WM8320: @@ -1842,7 +1842,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) case WM8326: ret = mfd_add_devices(wm831x->dev, wm831x_num, wm8320_devs, ARRAY_SIZE(wm8320_devs), - NULL, 0); + NULL, 0, NULL); break; default: @@ -1867,7 +1867,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) if (ret & WM831X_XTAL_ENA) { ret = mfd_add_devices(wm831x->dev, wm831x_num, rtc_devs, ARRAY_SIZE(rtc_devs), - NULL, 0); + NULL, 0, NULL); if (ret != 0) { dev_err(wm831x->dev, "Failed to add RTC: %d\n", ret); goto err_irq; @@ -1880,7 +1880,7 @@ int wm831x_device_init(struct wm831x *wm831x, unsigned long id, int irq) /* Treat errors as non-critical */ ret = mfd_add_devices(wm831x->dev, wm831x_num, backlight_devs, ARRAY_SIZE(backlight_devs), NULL, - 0); + 0, NULL); if (ret < 0) dev_err(wm831x->dev, "Failed to add backlight: %d\n", ret); diff --git a/drivers/mfd/wm8400-core.c b/drivers/mfd/wm8400-core.c index 4b7d378551d5..639ca359242f 100644 --- a/drivers/mfd/wm8400-core.c +++ b/drivers/mfd/wm8400-core.c @@ -70,7 +70,7 @@ static int wm8400_register_codec(struct wm8400 *wm8400) .pdata_size = sizeof(*wm8400), }; - return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0); + return mfd_add_devices(wm8400->dev, -1, &cell, 1, NULL, 0, NULL); } /* diff --git a/drivers/mfd/wm8994-core.c b/drivers/mfd/wm8994-core.c index eec74aa55fdf..2febf88cfce8 100644 --- a/drivers/mfd/wm8994-core.c +++ b/drivers/mfd/wm8994-core.c @@ -414,7 +414,7 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq) ret = mfd_add_devices(wm8994->dev, -1, wm8994_regulator_devs, ARRAY_SIZE(wm8994_regulator_devs), - NULL, 0); + NULL, 0, NULL); if (ret != 0) { dev_err(wm8994->dev, "Failed to add children: %d\n", ret); goto err; @@ -648,7 +648,7 @@ static __devinit int wm8994_device_init(struct wm8994 *wm8994, int irq) ret = mfd_add_devices(wm8994->dev, -1, wm8994_devs, ARRAY_SIZE(wm8994_devs), - NULL, 0); + NULL, 0, NULL); if (ret != 0) { dev_err(wm8994->dev, "Failed to add children: %d\n", ret); goto err_irq; diff --git a/drivers/net/can/janz-ican3.c b/drivers/net/can/janz-ican3.c index 98ee43819911..7edadee487ba 100644 --- a/drivers/net/can/janz-ican3.c +++ b/drivers/net/can/janz-ican3.c @@ -1391,7 +1391,6 @@ static irqreturn_t ican3_irq(int irq, void *dev_id) */ static int ican3_reset_module(struct ican3_dev *mod) { - u8 val = 1 << mod->num; unsigned long start; u8 runold, runnew; @@ -1405,8 +1404,7 @@ static int ican3_reset_module(struct ican3_dev *mod) runold = ioread8(mod->dpm + TARGET_RUNNING); /* reset the module */ - iowrite8(val, &mod->ctrl->reset_assert); - iowrite8(val, &mod->ctrl->reset_deassert); + iowrite8(0x00, &mod->dpmctrl->hwreset); /* wait until the module has finished resetting and is running */ start = jiffies; diff --git a/drivers/net/can/mcp251x.c b/drivers/net/can/mcp251x.c index a580db29e503..26e7129332ab 100644 --- a/drivers/net/can/mcp251x.c +++ b/drivers/net/can/mcp251x.c @@ -83,6 +83,11 @@ #define INSTRUCTION_LOAD_TXB(n) (0x40 + 2 * (n)) #define INSTRUCTION_READ_RXB(n) (((n) == 0) ? 0x90 : 0x94) #define INSTRUCTION_RESET 0xC0 +#define RTS_TXB0 0x01 +#define RTS_TXB1 0x02 +#define RTS_TXB2 0x04 +#define INSTRUCTION_RTS(n) (0x80 | ((n) & 0x07)) + /* MPC251x registers */ #define CANSTAT 0x0e @@ -397,6 +402,7 @@ static void mcp251x_hw_tx_frame(struct spi_device *spi, u8 *buf, static void mcp251x_hw_tx(struct spi_device *spi, struct can_frame *frame, int tx_buf_idx) { + struct mcp251x_priv *priv = dev_get_drvdata(&spi->dev); u32 sid, eid, exide, rtr; u8 buf[SPI_TRANSFER_BUF_LEN]; @@ -418,7 +424,10 @@ static void mcp251x_hw_tx(struct spi_device *spi, struct can_frame *frame, buf[TXBDLC_OFF] = (rtr << DLC_RTR_SHIFT) | frame->can_dlc; memcpy(buf + TXBDAT_OFF, frame->data, frame->can_dlc); mcp251x_hw_tx_frame(spi, buf, frame->can_dlc, tx_buf_idx); - mcp251x_write_reg(spi, TXBCTRL(tx_buf_idx), TXBCTRL_TXREQ); + + /* use INSTRUCTION_RTS, to avoid "repeated frame problem" */ + priv->spi_tx_buf[0] = INSTRUCTION_RTS(1 << tx_buf_idx); + mcp251x_spi_trans(priv->spi, 1); } static void mcp251x_hw_rx_frame(struct spi_device *spi, u8 *buf, diff --git a/drivers/net/can/ti_hecc.c b/drivers/net/can/ti_hecc.c index 527dbcf95335..9ded21e79db5 100644 --- a/drivers/net/can/ti_hecc.c +++ b/drivers/net/can/ti_hecc.c @@ -984,12 +984,12 @@ static int __devexit ti_hecc_remove(struct platform_device *pdev) struct net_device *ndev = platform_get_drvdata(pdev); struct ti_hecc_priv *priv = netdev_priv(ndev); + unregister_candev(ndev); clk_disable(priv->clk); clk_put(priv->clk); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); iounmap(priv->base); release_mem_region(res->start, resource_size(res)); - unregister_candev(ndev); free_candev(ndev); platform_set_drvdata(pdev, NULL); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index af20c6ee2cd9..e8e97a7d1d06 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -662,14 +662,16 @@ void bnx2x_csum_validate(struct sk_buff *skb, union eth_rx_cqe *cqe, struct bnx2x_fastpath *fp, struct bnx2x_eth_q_stats *qstats) { - /* Do nothing if no IP/L4 csum validation was done */ - + /* Do nothing if no L4 csum validation was done. + * We do not check whether IP csum was validated. For IPv4 we assume + * that if the card got as far as validating the L4 csum, it also + * validated the IP csum. IPv6 has no IP csum. + */ if (cqe->fast_path_cqe.status_flags & - (ETH_FAST_PATH_RX_CQE_IP_XSUM_NO_VALIDATION_FLG | - ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG)) + ETH_FAST_PATH_RX_CQE_L4_XSUM_NO_VALIDATION_FLG) return; - /* If both IP/L4 validation were done, check if an error was found. */ + /* If L4 validation was done, check if an error was found. */ if (cqe->fast_path_cqe.type_error_flags & (ETH_FAST_PATH_RX_CQE_IP_BAD_XSUM_FLG | diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h index 21b553229ea4..dfd86a55f1dc 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.h @@ -710,17 +710,15 @@ static inline u16 bnx2x_tx_avail(struct bnx2x *bp, prod = txdata->tx_bd_prod; cons = txdata->tx_bd_cons; - /* NUM_TX_RINGS = number of "next-page" entries - It will be used as a threshold */ - used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS; + used = SUB_S16(prod, cons); #ifdef BNX2X_STOP_ON_ERROR WARN_ON(used < 0); - WARN_ON(used > bp->tx_ring_size); - WARN_ON((bp->tx_ring_size - used) > MAX_TX_AVAIL); + WARN_ON(used > txdata->tx_ring_size); + WARN_ON((txdata->tx_ring_size - used) > MAX_TX_AVAIL); #endif - return (s16)(bp->tx_ring_size) - used; + return (s16)(txdata->tx_ring_size) - used; } static inline int bnx2x_tx_queue_has_work(struct bnx2x_fp_txdata *txdata) @@ -1088,6 +1086,7 @@ static inline void bnx2x_init_txdata(struct bnx2x *bp, txdata->txq_index = txq_index; txdata->tx_cons_sb = tx_cons_sb; txdata->parent_fp = fp; + txdata->tx_ring_size = IS_FCOE_FP(fp) ? MAX_TX_AVAIL : bp->tx_ring_size; DP(NETIF_MSG_IFUP, "created tx data cid %d, txq %d\n", txdata->cid, txdata->txq_index); diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dump.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dump.h index 3e4cff9b1ebe..b926f58e983b 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dump.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_dump.h @@ -401,11 +401,11 @@ static const struct reg_addr reg_addrs[] = { { 0x70000, 8, RI_ALL_ONLINE }, { 0x70020, 8184, RI_ALL_OFFLINE }, { 0x78000, 8192, RI_E3E3B0_OFFLINE }, - { 0x85000, 3, RI_ALL_ONLINE }, - { 0x8501c, 7, RI_ALL_ONLINE }, - { 0x85048, 1, RI_ALL_ONLINE }, - { 0x85200, 32, RI_ALL_ONLINE }, - { 0xb0000, 16384, RI_E1H_ONLINE }, + { 0x85000, 3, RI_ALL_OFFLINE }, + { 0x8501c, 7, RI_ALL_OFFLINE }, + { 0x85048, 1, RI_ALL_OFFLINE }, + { 0x85200, 32, RI_ALL_OFFLINE }, + { 0xb0000, 16384, RI_E1H_OFFLINE }, { 0xc1000, 7, RI_ALL_ONLINE }, { 0xc103c, 2, RI_E2E3E3B0_ONLINE }, { 0xc1800, 2, RI_ALL_ONLINE }, @@ -581,17 +581,12 @@ static const struct reg_addr reg_addrs[] = { { 0x140188, 3, RI_E1E1HE2E3_ONLINE }, { 0x140194, 13, RI_ALL_ONLINE }, { 0x140200, 6, RI_E1E1HE2E3_ONLINE }, - { 0x140220, 4, RI_E2E3_ONLINE }, - { 0x140240, 4, RI_E2E3_ONLINE }, { 0x140260, 4, RI_E2E3_ONLINE }, { 0x140280, 4, RI_E2E3_ONLINE }, - { 0x1402a0, 4, RI_E2E3_ONLINE }, - { 0x1402c0, 4, RI_E2E3_ONLINE }, { 0x1402e0, 2, RI_E2E3_ONLINE }, { 0x1402e8, 2, RI_E2E3E3B0_ONLINE }, { 0x1402f0, 9, RI_E2E3_ONLINE }, { 0x140314, 44, RI_E3B0_ONLINE }, - { 0x1403d0, 70, RI_E3B0_ONLINE }, { 0x144000, 4, RI_E1E1H_ONLINE }, { 0x148000, 4, RI_E1E1H_ONLINE }, { 0x14c000, 4, RI_E1E1H_ONLINE }, @@ -704,7 +699,6 @@ static const struct reg_addr reg_addrs[] = { { 0x180398, 1, RI_E2E3E3B0_ONLINE }, { 0x1803a0, 5, RI_E2E3E3B0_ONLINE }, { 0x1803b4, 2, RI_E3E3B0_ONLINE }, - { 0x180400, 1, RI_ALL_ONLINE }, { 0x180404, 255, RI_E1E1H_OFFLINE }, { 0x181000, 4, RI_ALL_ONLINE }, { 0x181010, 1020, RI_ALL_OFFLINE }, @@ -800,9 +794,9 @@ static const struct reg_addr reg_addrs[] = { { 0x1b905c, 1, RI_E3E3B0_ONLINE }, { 0x1b9064, 1, RI_E3B0_ONLINE }, { 0x1b9080, 10, RI_E3B0_ONLINE }, - { 0x1b9400, 14, RI_E2E3E3B0_ONLINE }, - { 0x1b943c, 19, RI_E2E3E3B0_ONLINE }, - { 0x1b9490, 10, RI_E2E3E3B0_ONLINE }, + { 0x1b9400, 14, RI_E2E3E3B0_OFFLINE }, + { 0x1b943c, 19, RI_E2E3E3B0_OFFLINE }, + { 0x1b9490, 10, RI_E2E3E3B0_OFFLINE }, { 0x1c0000, 2, RI_ALL_ONLINE }, { 0x200000, 65, RI_ALL_ONLINE }, { 0x20014c, 2, RI_E1HE2E3E3B0_ONLINE }, @@ -814,7 +808,6 @@ static const struct reg_addr reg_addrs[] = { { 0x200398, 1, RI_E2E3E3B0_ONLINE }, { 0x2003a0, 1, RI_E2E3E3B0_ONLINE }, { 0x2003a8, 2, RI_E2E3E3B0_ONLINE }, - { 0x200400, 1, RI_ALL_ONLINE }, { 0x200404, 255, RI_E1E1H_OFFLINE }, { 0x202000, 4, RI_ALL_ONLINE }, { 0x202010, 2044, RI_ALL_OFFLINE }, @@ -921,7 +914,6 @@ static const struct reg_addr reg_addrs[] = { { 0x280398, 1, RI_E2E3E3B0_ONLINE }, { 0x2803a0, 1, RI_E2E3E3B0_ONLINE }, { 0x2803a8, 2, RI_E2E3E3B0_ONLINE }, - { 0x280400, 1, RI_ALL_ONLINE }, { 0x280404, 255, RI_E1E1H_OFFLINE }, { 0x282000, 4, RI_ALL_ONLINE }, { 0x282010, 2044, RI_ALL_OFFLINE }, @@ -1031,7 +1023,6 @@ static const struct reg_addr reg_addrs[] = { { 0x300398, 1, RI_E2E3E3B0_ONLINE }, { 0x3003a0, 1, RI_E2E3E3B0_ONLINE }, { 0x3003a8, 2, RI_E2E3E3B0_ONLINE }, - { 0x300400, 1, RI_ALL_ONLINE }, { 0x300404, 255, RI_E1E1H_OFFLINE }, { 0x302000, 4, RI_ALL_ONLINE }, { 0x302010, 2044, RI_ALL_OFFLINE }, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c index c37a68d68090..ebf40cd7aa10 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_ethtool.c @@ -775,7 +775,7 @@ static void bnx2x_get_regs(struct net_device *dev, struct bnx2x *bp = netdev_priv(dev); struct dump_hdr dump_hdr = {0}; - regs->version = 0; + regs->version = 1; memset(p, 0, regs->len); if (!netif_running(bp->dev)) @@ -1587,6 +1587,12 @@ static int bnx2x_set_pauseparam(struct net_device *dev, bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO; } + bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_NONE; + if (epause->rx_pause) + bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX; + + if (epause->tx_pause) + bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX; } DP(BNX2X_MSG_ETHTOOL, diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c index f4beb46c4709..b046beb435b2 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_link.c @@ -2667,9 +2667,11 @@ int bnx2x_update_pfc(struct link_params *params, return bnx2x_status; DP(NETIF_MSG_LINK, "About to update PFC in BMAC\n"); - if (CHIP_IS_E3(bp)) - bnx2x_update_pfc_xmac(params, vars, 0); - else { + + if (CHIP_IS_E3(bp)) { + if (vars->mac_type == MAC_TYPE_XMAC) + bnx2x_update_pfc_xmac(params, vars, 0); + } else { val = REG_RD(bp, MISC_REG_RESET_REG_2); if ((val & (MISC_REGISTERS_RESET_REG_2_RST_BMAC0 << params->port)) @@ -5432,7 +5434,7 @@ static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, switch (speed_mask) { case GP_STATUS_10M: vars->line_speed = SPEED_10; - if (vars->duplex == DUPLEX_FULL) + if (is_duplex == DUPLEX_FULL) vars->link_status |= LINK_10TFD; else vars->link_status |= LINK_10THD; @@ -5440,7 +5442,7 @@ static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, case GP_STATUS_100M: vars->line_speed = SPEED_100; - if (vars->duplex == DUPLEX_FULL) + if (is_duplex == DUPLEX_FULL) vars->link_status |= LINK_100TXFD; else vars->link_status |= LINK_100TXHD; @@ -5449,7 +5451,7 @@ static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, case GP_STATUS_1G: case GP_STATUS_1G_KX: vars->line_speed = SPEED_1000; - if (vars->duplex == DUPLEX_FULL) + if (is_duplex == DUPLEX_FULL) vars->link_status |= LINK_1000TFD; else vars->link_status |= LINK_1000THD; @@ -5457,7 +5459,7 @@ static int bnx2x_get_link_speed_duplex(struct bnx2x_phy *phy, case GP_STATUS_2_5G: vars->line_speed = SPEED_2500; - if (vars->duplex == DUPLEX_FULL) + if (is_duplex == DUPLEX_FULL) vars->link_status |= LINK_2500TFD; else vars->link_status |= LINK_2500THD; @@ -5531,6 +5533,7 @@ static int bnx2x_link_settings_status(struct bnx2x_phy *phy, if (gp_status & MDIO_GP_STATUS_TOP_AN_STATUS1_LINK_STATUS) { if (SINGLE_MEDIA_DIRECT(params)) { + vars->duplex = duplex; bnx2x_flow_ctrl_resolve(phy, params, vars, gp_status); if (phy->req_line_speed == SPEED_AUTO_NEG) bnx2x_xgxs_an_resolve(phy, params, vars, @@ -5625,6 +5628,7 @@ static int bnx2x_warpcore_read_status(struct bnx2x_phy *phy, LINK_STATUS_PARALLEL_DETECTION_USED; } bnx2x_ext_phy_resolve_fc(phy, params, vars); + vars->duplex = duplex; } } diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index 21054987257a..0875ecfe3372 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -7561,8 +7561,14 @@ int bnx2x_set_mac_one(struct bnx2x *bp, u8 *mac, } rc = bnx2x_config_vlan_mac(bp, &ramrod_param); - if (rc < 0) + + if (rc == -EEXIST) { + DP(BNX2X_MSG_SP, "Failed to schedule ADD operations: %d\n", rc); + /* do not treat adding same MAC as error */ + rc = 0; + } else if (rc < 0) BNX2X_ERR("%s MAC failed\n", (set ? "Set" : "Del")); + return rc; } @@ -9825,12 +9831,13 @@ static void __devinit bnx2x_get_igu_cam_info(struct bnx2x *bp) } #ifdef CONFIG_PCI_MSI - /* - * It's expected that number of CAM entries for this functions is equal - * to the number evaluated based on the MSI-X table size. We want a - * harsh warning if these values are different! + /* Due to new PF resource allocation by MFW T7.4 and above, it's + * optional that number of CAM entries will not be equal to the value + * advertised in PCI. + * Driver should use the minimal value of both as the actual status + * block count */ - WARN_ON(bp->igu_sb_cnt != igu_sb_cnt); + bp->igu_sb_cnt = min_t(int, bp->igu_sb_cnt, igu_sb_cnt); #endif if (igu_sb_cnt == 0) @@ -10294,13 +10301,11 @@ static void __devinit bnx2x_get_fcoe_info(struct bnx2x *bp) dev_info.port_hw_config[port]. fcoe_wwn_node_name_lower); } else if (!IS_MF_SD(bp)) { - u32 cfg = MF_CFG_RD(bp, func_ext_config[func].func_cfg); - /* * Read the WWN info only if the FCoE feature is enabled for * this function. */ - if (cfg & MACP_FUNC_CFG_FLAGS_FCOE_OFFLOAD) + if (BNX2X_MF_EXT_PROTOCOL_FCOE(bp) && !CHIP_IS_E1x(bp)) bnx2x_get_ext_wwn_info(bp, func); } else if (IS_MF_FCOE_SD(bp)) @@ -11073,7 +11078,14 @@ static int bnx2x_set_uc_list(struct bnx2x *bp) netdev_for_each_uc_addr(ha, dev) { rc = bnx2x_set_mac_one(bp, bnx2x_uc_addr(ha), mac_obj, true, BNX2X_UC_LIST_MAC, &ramrod_flags); - if (rc < 0) { + if (rc == -EEXIST) { + DP(BNX2X_MSG_SP, + "Failed to schedule ADD operations: %d\n", rc); + /* do not treat adding same MAC as error */ + rc = 0; + + } else if (rc < 0) { + BNX2X_ERR("Failed to schedule ADD operations: %d\n", rc); return rc; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c index 332db64dd5be..a1d0446b39b3 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_stats.c @@ -101,6 +101,11 @@ static void bnx2x_hw_stats_post(struct bnx2x *bp) if (CHIP_REV_IS_SLOW(bp)) return; + /* Update MCP's statistics if possible */ + if (bp->func_stx) + memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats, + sizeof(bp->func_stats)); + /* loader */ if (bp->executer_idx) { int loader_idx = PMF_DMAE_C(bp); @@ -128,8 +133,6 @@ static void bnx2x_hw_stats_post(struct bnx2x *bp) } else if (bp->func_stx) { *stats_comp = 0; - memcpy(bnx2x_sp(bp, func_stats), &bp->func_stats, - sizeof(bp->func_stats)); bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); } } @@ -1151,9 +1154,11 @@ static void bnx2x_stats_update(struct bnx2x *bp) if (bp->port.pmf) bnx2x_hw_stats_update(bp); - if (bnx2x_storm_stats_update(bp) && (bp->stats_pending++ == 3)) { - BNX2X_ERR("storm stats were not updated for 3 times\n"); - bnx2x_panic(); + if (bnx2x_storm_stats_update(bp)) { + if (bp->stats_pending++ == 3) { + BNX2X_ERR("storm stats were not updated for 3 times\n"); + bnx2x_panic(); + } return; } diff --git a/drivers/net/ethernet/cadence/at91_ether.c b/drivers/net/ethernet/cadence/at91_ether.c index 77884191a8c6..4e980a7886fb 100644 --- a/drivers/net/ethernet/cadence/at91_ether.c +++ b/drivers/net/ethernet/cadence/at91_ether.c @@ -1086,7 +1086,7 @@ static int __init at91ether_probe(struct platform_device *pdev) /* Clock */ lp->ether_clk = clk_get(&pdev->dev, "ether_clk"); if (IS_ERR(lp->ether_clk)) { - res = -ENODEV; + res = PTR_ERR(lp->ether_clk); goto err_ioumap; } clk_enable(lp->ether_clk); diff --git a/drivers/net/ethernet/freescale/gianfar_ethtool.c b/drivers/net/ethernet/freescale/gianfar_ethtool.c index 8971921cc1c8..ab6762caa957 100644 --- a/drivers/net/ethernet/freescale/gianfar_ethtool.c +++ b/drivers/net/ethernet/freescale/gianfar_ethtool.c @@ -1773,6 +1773,7 @@ static int gfar_get_nfc(struct net_device *dev, struct ethtool_rxnfc *cmd, } int gfar_phc_index = -1; +EXPORT_SYMBOL(gfar_phc_index); static int gfar_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) diff --git a/drivers/net/ethernet/freescale/gianfar_ptp.c b/drivers/net/ethernet/freescale/gianfar_ptp.c index c08e5d40fecb..0daa66b8eca0 100644 --- a/drivers/net/ethernet/freescale/gianfar_ptp.c +++ b/drivers/net/ethernet/freescale/gianfar_ptp.c @@ -515,7 +515,7 @@ static int gianfar_ptp_probe(struct platform_device *dev) err = PTR_ERR(etsects->clock); goto no_clock; } - gfar_phc_clock = ptp_clock_index(etsects->clock); + gfar_phc_index = ptp_clock_index(etsects->clock); dev_set_drvdata(&dev->dev, etsects); @@ -539,7 +539,7 @@ static int gianfar_ptp_remove(struct platform_device *dev) gfar_write(&etsects->regs->tmr_temask, 0); gfar_write(&etsects->regs->tmr_ctrl, 0); - gfar_phc_clock = -1; + gfar_phc_index = -1; ptp_clock_unregister(etsects->clock); iounmap(etsects->regs); release_resource(etsects->rsrc); diff --git a/drivers/net/ethernet/i825xx/znet.c b/drivers/net/ethernet/i825xx/znet.c index bd1f1ef91e19..ba4e0cea3506 100644 --- a/drivers/net/ethernet/i825xx/znet.c +++ b/drivers/net/ethernet/i825xx/znet.c @@ -139,8 +139,11 @@ struct znet_private { /* Only one can be built-in;-> */ static struct net_device *znet_dev; +#define NETIDBLK_MAGIC "NETIDBLK" +#define NETIDBLK_MAGIC_SIZE 8 + struct netidblk { - char magic[8]; /* The magic number (string) "NETIDBLK" */ + char magic[NETIDBLK_MAGIC_SIZE]; /* The magic number (string) "NETIDBLK" */ unsigned char netid[8]; /* The physical station address */ char nettype, globalopt; char vendor[8]; /* The machine vendor and product name. */ @@ -373,14 +376,16 @@ static int __init znet_probe (void) struct znet_private *znet; struct net_device *dev; char *p; + char *plast = phys_to_virt(0x100000 - NETIDBLK_MAGIC_SIZE); int err = -ENOMEM; /* This code scans the region 0xf0000 to 0xfffff for a "NETIDBLK". */ - for(p = (char *)phys_to_virt(0xf0000); p < (char *)phys_to_virt(0x100000); p++) - if (*p == 'N' && strncmp(p, "NETIDBLK", 8) == 0) + for(p = (char *)phys_to_virt(0xf0000); p <= plast; p++) + if (*p == 'N' && + strncmp(p, NETIDBLK_MAGIC, NETIDBLK_MAGIC_SIZE) == 0) break; - if (p >= (char *)phys_to_virt(0x100000)) { + if (p > plast) { if (znet_debug > 1) printk(KERN_INFO "No Z-Note ethernet adaptor found.\n"); return -ENODEV; diff --git a/drivers/net/ethernet/ibm/ibmveth.c b/drivers/net/ethernet/ibm/ibmveth.c index 9010cea68bc3..b68d28a130e6 100644 --- a/drivers/net/ethernet/ibm/ibmveth.c +++ b/drivers/net/ethernet/ibm/ibmveth.c @@ -472,14 +472,9 @@ static void ibmveth_cleanup(struct ibmveth_adapter *adapter) } if (adapter->rx_queue.queue_addr != NULL) { - if (!dma_mapping_error(dev, adapter->rx_queue.queue_dma)) { - dma_unmap_single(dev, - adapter->rx_queue.queue_dma, - adapter->rx_queue.queue_len, - DMA_BIDIRECTIONAL); - adapter->rx_queue.queue_dma = DMA_ERROR_CODE; - } - kfree(adapter->rx_queue.queue_addr); + dma_free_coherent(dev, adapter->rx_queue.queue_len, + adapter->rx_queue.queue_addr, + adapter->rx_queue.queue_dma); adapter->rx_queue.queue_addr = NULL; } @@ -556,10 +551,13 @@ static int ibmveth_open(struct net_device *netdev) goto err_out; } + dev = &adapter->vdev->dev; + adapter->rx_queue.queue_len = sizeof(struct ibmveth_rx_q_entry) * rxq_entries; - adapter->rx_queue.queue_addr = kmalloc(adapter->rx_queue.queue_len, - GFP_KERNEL); + adapter->rx_queue.queue_addr = + dma_alloc_coherent(dev, adapter->rx_queue.queue_len, + &adapter->rx_queue.queue_dma, GFP_KERNEL); if (!adapter->rx_queue.queue_addr) { netdev_err(netdev, "unable to allocate rx queue pages\n"); @@ -567,19 +565,13 @@ static int ibmveth_open(struct net_device *netdev) goto err_out; } - dev = &adapter->vdev->dev; - adapter->buffer_list_dma = dma_map_single(dev, adapter->buffer_list_addr, 4096, DMA_BIDIRECTIONAL); adapter->filter_list_dma = dma_map_single(dev, adapter->filter_list_addr, 4096, DMA_BIDIRECTIONAL); - adapter->rx_queue.queue_dma = dma_map_single(dev, - adapter->rx_queue.queue_addr, - adapter->rx_queue.queue_len, DMA_BIDIRECTIONAL); if ((dma_mapping_error(dev, adapter->buffer_list_dma)) || - (dma_mapping_error(dev, adapter->filter_list_dma)) || - (dma_mapping_error(dev, adapter->rx_queue.queue_dma))) { + (dma_mapping_error(dev, adapter->filter_list_dma))) { netdev_err(netdev, "unable to map filter or buffer list " "pages\n"); rc = -ENOMEM; diff --git a/drivers/net/ethernet/intel/e1000/e1000_main.c b/drivers/net/ethernet/intel/e1000/e1000_main.c index 3bfbb8df8989..bde337ee1a34 100644 --- a/drivers/net/ethernet/intel/e1000/e1000_main.c +++ b/drivers/net/ethernet/intel/e1000/e1000_main.c @@ -3149,6 +3149,17 @@ static netdev_tx_t e1000_xmit_frame(struct sk_buff *skb, return NETDEV_TX_OK; } + /* On PCI/PCI-X HW, if packet size is less than ETH_ZLEN, + * packets may get corrupted during padding by HW. + * To WA this issue, pad all small packets manually. + */ + if (skb->len < ETH_ZLEN) { + if (skb_pad(skb, ETH_ZLEN - skb->len)) + return NETDEV_TX_OK; + skb->len = ETH_ZLEN; + skb_set_tail_pointer(skb, ETH_ZLEN); + } + mss = skb_shinfo(skb)->gso_size; /* The controller does a simple calculation to * make sure there is enough room in the FIFO before diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.c b/drivers/net/ethernet/mellanox/mlx4/icm.c index daf417923661..31d02649be41 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.c +++ b/drivers/net/ethernet/mellanox/mlx4/icm.c @@ -227,9 +227,10 @@ int mlx4_UNMAP_ICM_AUX(struct mlx4_dev *dev) MLX4_CMD_TIME_CLASS_B, MLX4_CMD_NATIVE); } -int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj) +int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj) { - int i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size); + u32 i = (obj & (table->num_obj - 1)) / + (MLX4_TABLE_CHUNK_SIZE / table->obj_size); int ret = 0; mutex_lock(&table->mutex); @@ -262,16 +263,18 @@ out: return ret; } -void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj) +void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj) { - int i; + u32 i; + u64 offset; i = (obj & (table->num_obj - 1)) / (MLX4_TABLE_CHUNK_SIZE / table->obj_size); mutex_lock(&table->mutex); if (--table->icm[i]->refcount == 0) { - mlx4_UNMAP_ICM(dev, table->virt + i * MLX4_TABLE_CHUNK_SIZE, + offset = (u64) i * MLX4_TABLE_CHUNK_SIZE; + mlx4_UNMAP_ICM(dev, table->virt + offset, MLX4_TABLE_CHUNK_SIZE / MLX4_ICM_PAGE_SIZE); mlx4_free_icm(dev, table->icm[i], table->coherent); table->icm[i] = NULL; @@ -280,9 +283,11 @@ void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj) mutex_unlock(&table->mutex); } -void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle) +void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj, + dma_addr_t *dma_handle) { - int idx, offset, dma_offset, i; + int offset, dma_offset, i; + u64 idx; struct mlx4_icm_chunk *chunk; struct mlx4_icm *icm; struct page *page = NULL; @@ -292,7 +297,7 @@ void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_han mutex_lock(&table->mutex); - idx = (obj & (table->num_obj - 1)) * table->obj_size; + idx = (u64) (obj & (table->num_obj - 1)) * table->obj_size; icm = table->icm[idx / MLX4_TABLE_CHUNK_SIZE]; dma_offset = offset = idx % MLX4_TABLE_CHUNK_SIZE; @@ -326,10 +331,11 @@ out: } int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, - int start, int end) + u32 start, u32 end) { int inc = MLX4_TABLE_CHUNK_SIZE / table->obj_size; - int i, err; + int err; + u32 i; for (i = start; i <= end; i += inc) { err = mlx4_table_get(dev, table, i); @@ -349,9 +355,9 @@ fail: } void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, - int start, int end) + u32 start, u32 end) { - int i; + u32 i; for (i = start; i <= end; i += MLX4_TABLE_CHUNK_SIZE / table->obj_size) mlx4_table_put(dev, table, i); diff --git a/drivers/net/ethernet/mellanox/mlx4/icm.h b/drivers/net/ethernet/mellanox/mlx4/icm.h index a67744f53506..dee67fa39107 100644 --- a/drivers/net/ethernet/mellanox/mlx4/icm.h +++ b/drivers/net/ethernet/mellanox/mlx4/icm.h @@ -71,17 +71,17 @@ struct mlx4_icm *mlx4_alloc_icm(struct mlx4_dev *dev, int npages, gfp_t gfp_mask, int coherent); void mlx4_free_icm(struct mlx4_dev *dev, struct mlx4_icm *icm, int coherent); -int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj); -void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, int obj); +int mlx4_table_get(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj); +void mlx4_table_put(struct mlx4_dev *dev, struct mlx4_icm_table *table, u32 obj); int mlx4_table_get_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, - int start, int end); + u32 start, u32 end); void mlx4_table_put_range(struct mlx4_dev *dev, struct mlx4_icm_table *table, - int start, int end); + u32 start, u32 end); int mlx4_init_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table, u64 virt, int obj_size, u32 nobj, int reserved, int use_lowmem, int use_coherent); void mlx4_cleanup_icm_table(struct mlx4_dev *dev, struct mlx4_icm_table *table); -void *mlx4_table_find(struct mlx4_icm_table *table, int obj, dma_addr_t *dma_handle); +void *mlx4_table_find(struct mlx4_icm_table *table, u32 obj, dma_addr_t *dma_handle); static inline void mlx4_icm_first(struct mlx4_icm *icm, struct mlx4_icm_iter *iter) diff --git a/drivers/net/ethernet/mellanox/mlx4/main.c b/drivers/net/ethernet/mellanox/mlx4/main.c index 827b72dfce99..2f816c6aed72 100644 --- a/drivers/net/ethernet/mellanox/mlx4/main.c +++ b/drivers/net/ethernet/mellanox/mlx4/main.c @@ -1234,13 +1234,13 @@ static int mlx4_init_hca(struct mlx4_dev *dev) mlx4_info(dev, "non-primary physical function, skipping.\n"); else mlx4_err(dev, "QUERY_FW command failed, aborting.\n"); - goto unmap_bf; + return err; } err = mlx4_load_fw(dev); if (err) { mlx4_err(dev, "Failed to start FW, aborting.\n"); - goto unmap_bf; + return err; } mlx4_cfg.log_pg_sz_m = 1; @@ -1304,7 +1304,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev) err = mlx4_init_slave(dev); if (err) { mlx4_err(dev, "Failed to initialize slave\n"); - goto unmap_bf; + return err; } err = mlx4_slave_cap(dev); @@ -1324,7 +1324,7 @@ static int mlx4_init_hca(struct mlx4_dev *dev) err = mlx4_QUERY_ADAPTER(dev, &adapter); if (err) { mlx4_err(dev, "QUERY_ADAPTER command failed, aborting.\n"); - goto err_close; + goto unmap_bf; } priv->eq_table.inta_pin = adapter.inta_pin; @@ -1332,6 +1332,9 @@ static int mlx4_init_hca(struct mlx4_dev *dev) return 0; +unmap_bf: + unmap_bf_area(dev); + err_close: mlx4_close_hca(dev); @@ -1344,8 +1347,6 @@ err_stop_fw: mlx4_UNMAP_FA(dev); mlx4_free_icm(dev, priv->fw.fw_icm, 0); } -unmap_bf: - unmap_bf_area(dev); return err; } @@ -1996,7 +1997,8 @@ static int __mlx4_init_one(struct pci_dev *pdev, const struct pci_device_id *id) } slave_start: - if (mlx4_cmd_init(dev)) { + err = mlx4_cmd_init(dev); + if (err) { mlx4_err(dev, "Failed to init command interface, aborting.\n"); goto err_sriov; } diff --git a/drivers/net/ethernet/mellanox/mlx4/mcg.c b/drivers/net/ethernet/mellanox/mlx4/mcg.c index a018ea2a43de..e151c21baf2b 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mcg.c +++ b/drivers/net/ethernet/mellanox/mlx4/mcg.c @@ -137,11 +137,11 @@ static int mlx4_GID_HASH(struct mlx4_dev *dev, struct mlx4_cmd_mailbox *mailbox, return err; } -static struct mlx4_promisc_qp *get_promisc_qp(struct mlx4_dev *dev, u8 pf_num, +static struct mlx4_promisc_qp *get_promisc_qp(struct mlx4_dev *dev, u8 port, enum mlx4_steer_type steer, u32 qpn) { - struct mlx4_steer *s_steer = &mlx4_priv(dev)->steer[pf_num]; + struct mlx4_steer *s_steer = &mlx4_priv(dev)->steer[port - 1]; struct mlx4_promisc_qp *pqp; list_for_each_entry(pqp, &s_steer->promisc_qps[steer], list) { @@ -182,7 +182,7 @@ static int new_steering_entry(struct mlx4_dev *dev, u8 port, /* If the given qpn is also a promisc qp, * it should be inserted to duplicates list */ - pqp = get_promisc_qp(dev, 0, steer, qpn); + pqp = get_promisc_qp(dev, port, steer, qpn); if (pqp) { dqp = kmalloc(sizeof *dqp, GFP_KERNEL); if (!dqp) { @@ -256,7 +256,7 @@ static int existing_steering_entry(struct mlx4_dev *dev, u8 port, s_steer = &mlx4_priv(dev)->steer[port - 1]; - pqp = get_promisc_qp(dev, 0, steer, qpn); + pqp = get_promisc_qp(dev, port, steer, qpn); if (!pqp) return 0; /* nothing to do */ @@ -302,7 +302,7 @@ static bool check_duplicate_entry(struct mlx4_dev *dev, u8 port, s_steer = &mlx4_priv(dev)->steer[port - 1]; /* if qp is not promisc, it cannot be duplicated */ - if (!get_promisc_qp(dev, 0, steer, qpn)) + if (!get_promisc_qp(dev, port, steer, qpn)) return false; /* The qp is promisc qp so it is a duplicate on this index @@ -352,7 +352,7 @@ static bool can_remove_steering_entry(struct mlx4_dev *dev, u8 port, members_count = be32_to_cpu(mgm->members_count) & 0xffffff; for (i = 0; i < members_count; i++) { qpn = be32_to_cpu(mgm->qp[i]) & MGM_QPN_MASK; - if (!get_promisc_qp(dev, 0, steer, qpn) && qpn != tqpn) { + if (!get_promisc_qp(dev, port, steer, qpn) && qpn != tqpn) { /* the qp is not promisc, the entry can't be removed */ goto out; } @@ -398,7 +398,7 @@ static int add_promisc_qp(struct mlx4_dev *dev, u8 port, mutex_lock(&priv->mcg_table.mutex); - if (get_promisc_qp(dev, 0, steer, qpn)) { + if (get_promisc_qp(dev, port, steer, qpn)) { err = 0; /* Noting to do, already exists */ goto out_mutex; } @@ -503,7 +503,7 @@ static int remove_promisc_qp(struct mlx4_dev *dev, u8 port, s_steer = &mlx4_priv(dev)->steer[port - 1]; mutex_lock(&priv->mcg_table.mutex); - pqp = get_promisc_qp(dev, 0, steer, qpn); + pqp = get_promisc_qp(dev, port, steer, qpn); if (unlikely(!pqp)) { mlx4_warn(dev, "QP %x is not promiscuous QP\n", qpn); /* nothing to do */ @@ -650,13 +650,6 @@ static int find_entry(struct mlx4_dev *dev, u8 port, return err; } -struct mlx4_net_trans_rule_hw_ctrl { - __be32 ctrl; - __be32 vf_vep_port; - __be32 qpn; - __be32 reserved; -}; - static void trans_rule_ctrl_to_hw(struct mlx4_net_trans_rule *ctrl, struct mlx4_net_trans_rule_hw_ctrl *hw) { @@ -680,87 +673,18 @@ static void trans_rule_ctrl_to_hw(struct mlx4_net_trans_rule *ctrl, hw->qpn = cpu_to_be32(ctrl->qpn); } -struct mlx4_net_trans_rule_hw_ib { - u8 size; - u8 rsvd1; - __be16 id; - u32 rsvd2; - __be32 qpn; - __be32 qpn_mask; - u8 dst_gid[16]; - u8 dst_gid_msk[16]; -} __packed; - -struct mlx4_net_trans_rule_hw_eth { - u8 size; - u8 rsvd; - __be16 id; - u8 rsvd1[6]; - u8 dst_mac[6]; - u16 rsvd2; - u8 dst_mac_msk[6]; - u16 rsvd3; - u8 src_mac[6]; - u16 rsvd4; - u8 src_mac_msk[6]; - u8 rsvd5; - u8 ether_type_enable; - __be16 ether_type; - __be16 vlan_id_msk; - __be16 vlan_id; -} __packed; - -struct mlx4_net_trans_rule_hw_tcp_udp { - u8 size; - u8 rsvd; - __be16 id; - __be16 rsvd1[3]; - __be16 dst_port; - __be16 rsvd2; - __be16 dst_port_msk; - __be16 rsvd3; - __be16 src_port; - __be16 rsvd4; - __be16 src_port_msk; -} __packed; - -struct mlx4_net_trans_rule_hw_ipv4 { - u8 size; - u8 rsvd; - __be16 id; - __be32 rsvd1; - __be32 dst_ip; - __be32 dst_ip_msk; - __be32 src_ip; - __be32 src_ip_msk; -} __packed; - -struct _rule_hw { - union { - struct { - u8 size; - u8 rsvd; - __be16 id; - }; - struct mlx4_net_trans_rule_hw_eth eth; - struct mlx4_net_trans_rule_hw_ib ib; - struct mlx4_net_trans_rule_hw_ipv4 ipv4; - struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp; - }; +const u16 __sw_id_hw[] = { + [MLX4_NET_TRANS_RULE_ID_ETH] = 0xE001, + [MLX4_NET_TRANS_RULE_ID_IB] = 0xE005, + [MLX4_NET_TRANS_RULE_ID_IPV6] = 0xE003, + [MLX4_NET_TRANS_RULE_ID_IPV4] = 0xE002, + [MLX4_NET_TRANS_RULE_ID_TCP] = 0xE004, + [MLX4_NET_TRANS_RULE_ID_UDP] = 0xE006 }; static int parse_trans_rule(struct mlx4_dev *dev, struct mlx4_spec_list *spec, struct _rule_hw *rule_hw) { - static const u16 __sw_id_hw[] = { - [MLX4_NET_TRANS_RULE_ID_ETH] = 0xE001, - [MLX4_NET_TRANS_RULE_ID_IB] = 0xE005, - [MLX4_NET_TRANS_RULE_ID_IPV6] = 0xE003, - [MLX4_NET_TRANS_RULE_ID_IPV4] = 0xE002, - [MLX4_NET_TRANS_RULE_ID_TCP] = 0xE004, - [MLX4_NET_TRANS_RULE_ID_UDP] = 0xE006 - }; - static const size_t __rule_hw_sz[] = { [MLX4_NET_TRANS_RULE_ID_ETH] = sizeof(struct mlx4_net_trans_rule_hw_eth), diff --git a/drivers/net/ethernet/mellanox/mlx4/mlx4.h b/drivers/net/ethernet/mellanox/mlx4/mlx4.h index 4d9df8f2a126..dba69d98734a 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mlx4.h +++ b/drivers/net/ethernet/mellanox/mlx4/mlx4.h @@ -690,6 +690,82 @@ struct mlx4_steer { struct list_head steer_entries[MLX4_NUM_STEERS]; }; +struct mlx4_net_trans_rule_hw_ctrl { + __be32 ctrl; + __be32 vf_vep_port; + __be32 qpn; + __be32 reserved; +}; + +struct mlx4_net_trans_rule_hw_ib { + u8 size; + u8 rsvd1; + __be16 id; + u32 rsvd2; + __be32 qpn; + __be32 qpn_mask; + u8 dst_gid[16]; + u8 dst_gid_msk[16]; +} __packed; + +struct mlx4_net_trans_rule_hw_eth { + u8 size; + u8 rsvd; + __be16 id; + u8 rsvd1[6]; + u8 dst_mac[6]; + u16 rsvd2; + u8 dst_mac_msk[6]; + u16 rsvd3; + u8 src_mac[6]; + u16 rsvd4; + u8 src_mac_msk[6]; + u8 rsvd5; + u8 ether_type_enable; + __be16 ether_type; + __be16 vlan_id_msk; + __be16 vlan_id; +} __packed; + +struct mlx4_net_trans_rule_hw_tcp_udp { + u8 size; + u8 rsvd; + __be16 id; + __be16 rsvd1[3]; + __be16 dst_port; + __be16 rsvd2; + __be16 dst_port_msk; + __be16 rsvd3; + __be16 src_port; + __be16 rsvd4; + __be16 src_port_msk; +} __packed; + +struct mlx4_net_trans_rule_hw_ipv4 { + u8 size; + u8 rsvd; + __be16 id; + __be32 rsvd1; + __be32 dst_ip; + __be32 dst_ip_msk; + __be32 src_ip; + __be32 src_ip_msk; +} __packed; + +struct _rule_hw { + union { + struct { + u8 size; + u8 rsvd; + __be16 id; + }; + struct mlx4_net_trans_rule_hw_eth eth; + struct mlx4_net_trans_rule_hw_ib ib; + struct mlx4_net_trans_rule_hw_ipv4 ipv4; + struct mlx4_net_trans_rule_hw_tcp_udp tcp_udp; + }; +}; + struct mlx4_priv { struct mlx4_dev dev; diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c index 94ceddd17ab2..293c9e820c49 100644 --- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c +++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c @@ -42,6 +42,7 @@ #include <linux/mlx4/cmd.h> #include <linux/mlx4/qp.h> #include <linux/if_ether.h> +#include <linux/etherdevice.h> #include "mlx4.h" #include "fw.h" @@ -2776,18 +2777,133 @@ ex_put: return err; } +/* + * MAC validation for Flow Steering rules. + * VF can attach rules only with a mac address which is assigned to it. + */ +static int validate_eth_header_mac(int slave, struct _rule_hw *eth_header, + struct list_head *rlist) +{ + struct mac_res *res, *tmp; + __be64 be_mac; + + /* make sure it isn't multicast or broadcast mac*/ + if (!is_multicast_ether_addr(eth_header->eth.dst_mac) && + !is_broadcast_ether_addr(eth_header->eth.dst_mac)) { + list_for_each_entry_safe(res, tmp, rlist, list) { + be_mac = cpu_to_be64(res->mac << 16); + if (!memcmp(&be_mac, eth_header->eth.dst_mac, ETH_ALEN)) + return 0; + } + pr_err("MAC %pM doesn't belong to VF %d, Steering rule rejected\n", + eth_header->eth.dst_mac, slave); + return -EINVAL; + } + return 0; +} + +/* + * In case of missing eth header, append eth header with a MAC address + * assigned to the VF. + */ +static int add_eth_header(struct mlx4_dev *dev, int slave, + struct mlx4_cmd_mailbox *inbox, + struct list_head *rlist, int header_id) +{ + struct mac_res *res, *tmp; + u8 port; + struct mlx4_net_trans_rule_hw_ctrl *ctrl; + struct mlx4_net_trans_rule_hw_eth *eth_header; + struct mlx4_net_trans_rule_hw_ipv4 *ip_header; + struct mlx4_net_trans_rule_hw_tcp_udp *l4_header; + __be64 be_mac = 0; + __be64 mac_msk = cpu_to_be64(MLX4_MAC_MASK << 16); + + ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; + port = be32_to_cpu(ctrl->vf_vep_port) & 0xff; + eth_header = (struct mlx4_net_trans_rule_hw_eth *)(ctrl + 1); + + /* Clear a space in the inbox for eth header */ + switch (header_id) { + case MLX4_NET_TRANS_RULE_ID_IPV4: + ip_header = + (struct mlx4_net_trans_rule_hw_ipv4 *)(eth_header + 1); + memmove(ip_header, eth_header, + sizeof(*ip_header) + sizeof(*l4_header)); + break; + case MLX4_NET_TRANS_RULE_ID_TCP: + case MLX4_NET_TRANS_RULE_ID_UDP: + l4_header = (struct mlx4_net_trans_rule_hw_tcp_udp *) + (eth_header + 1); + memmove(l4_header, eth_header, sizeof(*l4_header)); + break; + default: + return -EINVAL; + } + list_for_each_entry_safe(res, tmp, rlist, list) { + if (port == res->port) { + be_mac = cpu_to_be64(res->mac << 16); + break; + } + } + if (!be_mac) { + pr_err("Failed adding eth header to FS rule, Can't find matching MAC for port %d .\n", + port); + return -EINVAL; + } + + memset(eth_header, 0, sizeof(*eth_header)); + eth_header->size = sizeof(*eth_header) >> 2; + eth_header->id = cpu_to_be16(__sw_id_hw[MLX4_NET_TRANS_RULE_ID_ETH]); + memcpy(eth_header->dst_mac, &be_mac, ETH_ALEN); + memcpy(eth_header->dst_mac_msk, &mac_msk, ETH_ALEN); + + return 0; + +} + int mlx4_QP_FLOW_STEERING_ATTACH_wrapper(struct mlx4_dev *dev, int slave, struct mlx4_vhcr *vhcr, struct mlx4_cmd_mailbox *inbox, struct mlx4_cmd_mailbox *outbox, struct mlx4_cmd_info *cmd) { + + struct mlx4_priv *priv = mlx4_priv(dev); + struct mlx4_resource_tracker *tracker = &priv->mfunc.master.res_tracker; + struct list_head *rlist = &tracker->slave_list[slave].res_list[RES_MAC]; int err; + struct mlx4_net_trans_rule_hw_ctrl *ctrl; + struct _rule_hw *rule_header; + int header_id; if (dev->caps.steering_mode != MLX4_STEERING_MODE_DEVICE_MANAGED) return -EOPNOTSUPP; + ctrl = (struct mlx4_net_trans_rule_hw_ctrl *)inbox->buf; + rule_header = (struct _rule_hw *)(ctrl + 1); + header_id = map_hw_to_sw_id(be16_to_cpu(rule_header->id)); + + switch (header_id) { + case MLX4_NET_TRANS_RULE_ID_ETH: + if (validate_eth_header_mac(slave, rule_header, rlist)) + return -EINVAL; + break; + case MLX4_NET_TRANS_RULE_ID_IPV4: + case MLX4_NET_TRANS_RULE_ID_TCP: + case MLX4_NET_TRANS_RULE_ID_UDP: + pr_warn("Can't attach FS rule without L2 headers, adding L2 header.\n"); + if (add_eth_header(dev, slave, inbox, rlist, header_id)) + return -EINVAL; + vhcr->in_modifier += + sizeof(struct mlx4_net_trans_rule_hw_eth) >> 2; + break; + default: + pr_err("Corrupted mailbox.\n"); + return -EINVAL; + } + err = mlx4_cmd_imm(dev, inbox->dma, &vhcr->out_param, vhcr->in_modifier, 0, MLX4_QP_FLOW_STEERING_ATTACH, MLX4_CMD_TIME_CLASS_A, diff --git a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c index 342b3a79bd0f..a77c558d8f40 100644 --- a/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c +++ b/drivers/net/ethernet/qlogic/netxen/netxen_nic_main.c @@ -1378,6 +1378,10 @@ static void netxen_mask_aer_correctable(struct netxen_adapter *adapter) struct pci_dev *root = pdev->bus->self; u32 aer_pos; + /* root bus? */ + if (!root) + return; + if (adapter->ahw.board_type != NETXEN_BRDTYPE_P3_4_GB_MM && adapter->ahw.board_type != NETXEN_BRDTYPE_P3_10G_TP) return; diff --git a/drivers/net/ethernet/seeq/sgiseeq.c b/drivers/net/ethernet/seeq/sgiseeq.c index bb8c8222122b..4d15bf413bdc 100644 --- a/drivers/net/ethernet/seeq/sgiseeq.c +++ b/drivers/net/ethernet/seeq/sgiseeq.c @@ -751,6 +751,7 @@ static int __devinit sgiseeq_probe(struct platform_device *pdev) sp->srings = sr; sp->rx_desc = sp->srings->rxvector; sp->tx_desc = sp->srings->txvector; + spin_lock_init(&sp->tx_lock); /* A couple calculations now, saves many cycles later. */ setup_rx_ring(dev, sp->rx_desc, SEEQ_RX_BUFFERS); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c index c136162e6473..3be88331d17a 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c @@ -1066,7 +1066,7 @@ static int stmmac_open(struct net_device *dev) } else priv->tm->enable = 1; #endif - clk_enable(priv->stmmac_clk); + clk_prepare_enable(priv->stmmac_clk); stmmac_check_ether_addr(priv); @@ -1188,7 +1188,7 @@ open_error: if (priv->phydev) phy_disconnect(priv->phydev); - clk_disable(priv->stmmac_clk); + clk_disable_unprepare(priv->stmmac_clk); return ret; } @@ -1246,7 +1246,7 @@ static int stmmac_release(struct net_device *dev) #ifdef CONFIG_STMMAC_DEBUG_FS stmmac_exit_fs(); #endif - clk_disable(priv->stmmac_clk); + clk_disable_unprepare(priv->stmmac_clk); return 0; } @@ -2178,7 +2178,7 @@ int stmmac_suspend(struct net_device *ndev) else { stmmac_set_mac(priv->ioaddr, false); /* Disable clock in case of PWM is off */ - clk_disable(priv->stmmac_clk); + clk_disable_unprepare(priv->stmmac_clk); } spin_unlock_irqrestore(&priv->lock, flags); return 0; @@ -2203,7 +2203,7 @@ int stmmac_resume(struct net_device *ndev) priv->hw->mac->pmt(priv->ioaddr, 0); else /* enable the clk prevously disabled */ - clk_enable(priv->stmmac_clk); + clk_prepare_enable(priv->stmmac_clk); netif_device_attach(ndev); diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c index 2a0e1abde7e7..4ccd4e2977b7 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_timer.c @@ -97,19 +97,19 @@ static struct clk *timer_clock; static void stmmac_tmu_start(unsigned int new_freq) { clk_set_rate(timer_clock, new_freq); - clk_enable(timer_clock); + clk_prepare_enable(timer_clock); } static void stmmac_tmu_stop(void) { - clk_disable(timer_clock); + clk_disable_unprepare(timer_clock); } int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm) { timer_clock = clk_get(NULL, TMU_CHANNEL); - if (timer_clock == NULL) + if (IS_ERR(timer_clock)) return -1; if (tmu2_register_user(stmmac_timer_handler, (void *)dev) < 0) { @@ -126,7 +126,7 @@ int stmmac_open_ext_timer(struct net_device *dev, struct stmmac_timer *tm) int stmmac_close_ext_timer(void) { - clk_disable(timer_clock); + clk_disable_unprepare(timer_clock); tmu2_unregister_user(); clk_put(timer_clock); return 0; diff --git a/drivers/net/irda/sh_sir.c b/drivers/net/irda/sh_sir.c index 256eddf1f75a..795109425568 100644 --- a/drivers/net/irda/sh_sir.c +++ b/drivers/net/irda/sh_sir.c @@ -280,7 +280,7 @@ static int sh_sir_set_baudrate(struct sh_sir_self *self, u32 baudrate) } clk = clk_get(NULL, "irda_clk"); - if (!clk) { + if (IS_ERR(clk)) { dev_err(dev, "can not get irda_clk\n"); return -EIO; } diff --git a/drivers/net/usb/asix_devices.c b/drivers/net/usb/asix_devices.c index 4fd48df6b989..32e31c5c5dc6 100644 --- a/drivers/net/usb/asix_devices.c +++ b/drivers/net/usb/asix_devices.c @@ -962,6 +962,10 @@ static const struct usb_device_id products [] = { USB_DEVICE (0x2001, 0x3c05), .driver_info = (unsigned long) &ax88772_info, }, { + // DLink DUB-E100 H/W Ver C1 + USB_DEVICE (0x2001, 0x1a02), + .driver_info = (unsigned long) &ax88772_info, +}, { // Linksys USB1000 USB_DEVICE (0x1737, 0x0039), .driver_info = (unsigned long) &ax88178_info, diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index adfab3fc5478..3543c9e57824 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -297,7 +297,7 @@ static int qmi_wwan_suspend(struct usb_interface *intf, pm_message_t message) if (ret < 0) goto err; - if (info->subdriver && info->subdriver->suspend) + if (intf == info->control && info->subdriver && info->subdriver->suspend) ret = info->subdriver->suspend(intf, message); if (ret < 0) usbnet_resume(intf); @@ -310,13 +310,14 @@ static int qmi_wwan_resume(struct usb_interface *intf) struct usbnet *dev = usb_get_intfdata(intf); struct qmi_wwan_state *info = (void *)&dev->data; int ret = 0; + bool callsub = (intf == info->control && info->subdriver && info->subdriver->resume); - if (info->subdriver && info->subdriver->resume) + if (callsub) ret = info->subdriver->resume(intf); if (ret < 0) goto err; ret = usbnet_resume(intf); - if (ret < 0 && info->subdriver && info->subdriver->resume && info->subdriver->suspend) + if (ret < 0 && callsub && info->subdriver->suspend) info->subdriver->suspend(intf, PMSG_SUSPEND); err: return ret; @@ -365,16 +366,20 @@ static const struct usb_device_id products[] = { }, /* 2. Combined interface devices matching on class+protocol */ + { /* Huawei E367 and possibly others in "Windows mode" */ + USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 7), + .driver_info = (unsigned long)&qmi_wwan_info, + }, { /* Huawei E392, E398 and possibly others in "Windows mode" */ USB_VENDOR_AND_INTERFACE_INFO(HUAWEI_VENDOR_ID, USB_CLASS_VENDOR_SPEC, 1, 17), .driver_info = (unsigned long)&qmi_wwan_shared, }, - { /* Pantech UML290 */ - USB_DEVICE_AND_INTERFACE_INFO(0x106c, 0x3718, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), + { /* Pantech UML290, P4200 and more */ + USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf0, 0xff), .driver_info = (unsigned long)&qmi_wwan_shared, }, { /* Pantech UML290 - newer firmware */ - USB_DEVICE_AND_INTERFACE_INFO(0x106c, 0x3718, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), + USB_VENDOR_AND_INTERFACE_INFO(0x106c, USB_CLASS_VENDOR_SPEC, 0xf1, 0xff), .driver_info = (unsigned long)&qmi_wwan_shared, }, @@ -382,6 +387,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x0055, 1)}, /* ZTE (Vodafone) K3520-Z */ {QMI_FIXED_INTF(0x19d2, 0x0063, 4)}, /* ZTE (Vodafone) K3565-Z */ {QMI_FIXED_INTF(0x19d2, 0x0104, 4)}, /* ZTE (Vodafone) K4505-Z */ + {QMI_FIXED_INTF(0x19d2, 0x0157, 5)}, /* ZTE MF683 */ {QMI_FIXED_INTF(0x19d2, 0x0167, 4)}, /* ZTE MF820D */ {QMI_FIXED_INTF(0x19d2, 0x0326, 4)}, /* ZTE MF821D */ {QMI_FIXED_INTF(0x19d2, 0x1008, 4)}, /* ZTE (Vodafone) K3570-Z */ @@ -398,7 +404,6 @@ static const struct usb_device_id products[] = { /* 4. Gobi 1000 devices */ {QMI_GOBI1K_DEVICE(0x05c6, 0x9212)}, /* Acer Gobi Modem Device */ {QMI_GOBI1K_DEVICE(0x03f0, 0x1f1d)}, /* HP un2400 Gobi Modem Device */ - {QMI_GOBI1K_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ {QMI_GOBI1K_DEVICE(0x04da, 0x250d)}, /* Panasonic Gobi Modem device */ {QMI_GOBI1K_DEVICE(0x413c, 0x8172)}, /* Dell Gobi Modem device */ {QMI_GOBI1K_DEVICE(0x1410, 0xa001)}, /* Novatel Gobi Modem device */ @@ -440,6 +445,7 @@ static const struct usb_device_id products[] = { {QMI_GOBI_DEVICE(0x16d8, 0x8002)}, /* CMDTech Gobi 2000 Modem device (VU922) */ {QMI_GOBI_DEVICE(0x05c6, 0x9205)}, /* Gobi 2000 Modem device */ {QMI_GOBI_DEVICE(0x1199, 0x9013)}, /* Sierra Wireless Gobi 3000 Modem device (MC8355) */ + {QMI_GOBI_DEVICE(0x03f0, 0x371d)}, /* HP un2430 Mobile Broadband Module */ {QMI_GOBI_DEVICE(0x1199, 0x9015)}, /* Sierra Wireless Gobi 3000 Modem device */ {QMI_GOBI_DEVICE(0x1199, 0x9019)}, /* Sierra Wireless Gobi 3000 Modem device */ {QMI_GOBI_DEVICE(0x1199, 0x901b)}, /* Sierra Wireless MC7770 */ diff --git a/drivers/net/usb/sierra_net.c b/drivers/net/usb/sierra_net.c index 7be49ea60b6d..8e22417fa6c1 100644 --- a/drivers/net/usb/sierra_net.c +++ b/drivers/net/usb/sierra_net.c @@ -656,7 +656,7 @@ static int sierra_net_get_fw_attr(struct usbnet *dev, u16 *datap) return -EIO; } - *datap = *attrdata; + *datap = le16_to_cpu(*attrdata); kfree(attrdata); return result; diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c index fd4b26d46fd5..fc9f578a1e25 100644 --- a/drivers/net/usb/usbnet.c +++ b/drivers/net/usb/usbnet.c @@ -1201,19 +1201,26 @@ deferred: } EXPORT_SYMBOL_GPL(usbnet_start_xmit); -static void rx_alloc_submit(struct usbnet *dev, gfp_t flags) +static int rx_alloc_submit(struct usbnet *dev, gfp_t flags) { struct urb *urb; int i; + int ret = 0; /* don't refill the queue all at once */ for (i = 0; i < 10 && dev->rxq.qlen < RX_QLEN(dev); i++) { urb = usb_alloc_urb(0, flags); if (urb != NULL) { - if (rx_submit(dev, urb, flags) == -ENOLINK) - return; + ret = rx_submit(dev, urb, flags); + if (ret) + goto err; + } else { + ret = -ENOMEM; + goto err; } } +err: + return ret; } /*-------------------------------------------------------------------------*/ @@ -1257,7 +1264,8 @@ static void usbnet_bh (unsigned long param) int temp = dev->rxq.qlen; if (temp < RX_QLEN(dev)) { - rx_alloc_submit(dev, GFP_ATOMIC); + if (rx_alloc_submit(dev, GFP_ATOMIC) == -ENOLINK) + return; if (temp != dev->rxq.qlen) netif_dbg(dev, link, dev->net, "rxqlen %d --> %d\n", diff --git a/drivers/net/wan/ixp4xx_hss.c b/drivers/net/wan/ixp4xx_hss.c index aaaca9aa2293..3f575afd8cfc 100644 --- a/drivers/net/wan/ixp4xx_hss.c +++ b/drivers/net/wan/ixp4xx_hss.c @@ -10,6 +10,7 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/module.h> #include <linux/bitops.h> #include <linux/cdev.h> #include <linux/dma-mapping.h> diff --git a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c index 2588848f4a82..d066f2516e47 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_eeprom.c @@ -2982,6 +2982,10 @@ static u32 ath9k_hw_ar9300_get_eeprom(struct ath_hw *ah, case EEP_RX_MASK: return pBase->txrxMask & 0xf; case EEP_PAPRD: + if (AR_SREV_9462(ah)) + return false; + if (!ah->config.enable_paprd); + return false; return !!(pBase->featureEnable & BIT(5)); case EEP_CHAIN_MASK_REDUCE: return (pBase->miscConfiguration >> 0x3) & 0x1; diff --git a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c index 2c9f7d7ed4cc..0ed3846f9cbb 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_paprd.c +++ b/drivers/net/wireless/ath/ath9k/ar9003_paprd.c @@ -142,6 +142,7 @@ static int ar9003_paprd_setup_single_table(struct ath_hw *ah) }; int training_power; int i, val; + u32 am2pm_mask = ah->paprd_ratemask; if (IS_CHAN_2GHZ(ah->curchan)) training_power = ar9003_get_training_power_2g(ah); @@ -158,10 +159,13 @@ static int ar9003_paprd_setup_single_table(struct ath_hw *ah) } ah->paprd_training_power = training_power; + if (AR_SREV_9330(ah)) + am2pm_mask = 0; + REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2AM, AR_PHY_PAPRD_AM2AM_MASK, ah->paprd_ratemask); REG_RMW_FIELD(ah, AR_PHY_PAPRD_AM2PM, AR_PHY_PAPRD_AM2PM_MASK, - ah->paprd_ratemask); + am2pm_mask); REG_RMW_FIELD(ah, AR_PHY_PAPRD_HT40, AR_PHY_PAPRD_HT40_MASK, ah->paprd_ratemask_ht40); @@ -782,6 +786,102 @@ int ar9003_paprd_setup_gain_table(struct ath_hw *ah, int chain) } EXPORT_SYMBOL(ar9003_paprd_setup_gain_table); +static bool ar9003_paprd_retrain_pa_in(struct ath_hw *ah, + struct ath9k_hw_cal_data *caldata, + int chain) +{ + u32 *pa_in = caldata->pa_table[chain]; + int capdiv_offset, quick_drop_offset; + int capdiv2g, quick_drop; + int count = 0; + int i; + + if (!AR_SREV_9485(ah) && !AR_SREV_9330(ah)) + return false; + + capdiv2g = REG_READ_FIELD(ah, AR_PHY_65NM_CH0_TXRF3, + AR_PHY_65NM_CH0_TXRF3_CAPDIV2G); + + quick_drop = REG_READ_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, + AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP); + + if (quick_drop) + quick_drop -= 0x40; + + for (i = 0; i < NUM_BIN + 1; i++) { + if (pa_in[i] == 1400) + count++; + } + + if (AR_SREV_9485(ah)) { + if (pa_in[23] < 800) { + capdiv_offset = (int)((1000 - pa_in[23] + 75) / 150); + capdiv2g += capdiv_offset; + if (capdiv2g > 7) { + capdiv2g = 7; + if (pa_in[23] < 600) { + quick_drop++; + if (quick_drop > 0) + quick_drop = 0; + } + } + } else if (pa_in[23] == 1400) { + quick_drop_offset = min_t(int, count / 3, 2); + quick_drop += quick_drop_offset; + capdiv2g += quick_drop_offset / 2; + + if (capdiv2g > 7) + capdiv2g = 7; + + if (quick_drop > 0) { + quick_drop = 0; + capdiv2g -= quick_drop_offset; + if (capdiv2g < 0) + capdiv2g = 0; + } + } else { + return false; + } + } else if (AR_SREV_9330(ah)) { + if (pa_in[23] < 1000) { + capdiv_offset = (1000 - pa_in[23]) / 100; + capdiv2g += capdiv_offset; + if (capdiv_offset > 3) { + capdiv_offset = 1; + quick_drop--; + } + + capdiv2g += capdiv_offset; + if (capdiv2g > 6) + capdiv2g = 6; + if (quick_drop < -4) + quick_drop = -4; + } else if (pa_in[23] == 1400) { + if (count > 3) { + quick_drop++; + capdiv2g -= count / 4; + if (quick_drop > -2) + quick_drop = -2; + } else { + capdiv2g--; + } + + if (capdiv2g < 0) + capdiv2g = 0; + } else { + return false; + } + } + + REG_RMW_FIELD(ah, AR_PHY_65NM_CH0_TXRF3, + AR_PHY_65NM_CH0_TXRF3_CAPDIV2G, capdiv2g); + REG_RMW_FIELD(ah, AR_PHY_PAPRD_TRAINER_CNTL3, + AR_PHY_PAPRD_TRAINER_CNTL3_CF_PAPRD_QUICK_DROP, + quick_drop); + + return true; +} + int ar9003_paprd_create_curve(struct ath_hw *ah, struct ath9k_hw_cal_data *caldata, int chain) { @@ -817,6 +917,9 @@ int ar9003_paprd_create_curve(struct ath_hw *ah, if (!create_pa_curve(data_L, data_U, pa_table, small_signal_gain)) status = -2; + if (ar9003_paprd_retrain_pa_in(ah, caldata, chain)) + status = -EINPROGRESS; + REG_CLR_BIT(ah, AR_PHY_PAPRD_TRAINER_STAT1, AR_PHY_PAPRD_TRAINER_STAT1_PAPRD_TRAIN_DONE); diff --git a/drivers/net/wireless/ath/ath9k/ar9003_phy.h b/drivers/net/wireless/ath/ath9k/ar9003_phy.h index 7bfbaf065a43..84d3d4956861 100644 --- a/drivers/net/wireless/ath/ath9k/ar9003_phy.h +++ b/drivers/net/wireless/ath/ath9k/ar9003_phy.h @@ -625,6 +625,10 @@ #define AR_PHY_AIC_CTRL_4_B0 (AR_SM_BASE + 0x4c0) #define AR_PHY_AIC_STAT_2_B0 (AR_SM_BASE + 0x4cc) +#define AR_PHY_65NM_CH0_TXRF3 0x16048 +#define AR_PHY_65NM_CH0_TXRF3_CAPDIV2G 0x0000001e +#define AR_PHY_65NM_CH0_TXRF3_CAPDIV2G_S 1 + #define AR_PHY_65NM_CH0_SYNTH4 0x1608c #define AR_PHY_SYNTH4_LONG_SHIFT_SELECT (AR_SREV_9462(ah) ? 0x00000001 : 0x00000002) #define AR_PHY_SYNTH4_LONG_SHIFT_SELECT_S (AR_SREV_9462(ah) ? 0 : 1) diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c index 68b643c8943c..c8ef30127adb 100644 --- a/drivers/net/wireless/ath/ath9k/debug.c +++ b/drivers/net/wireless/ath/ath9k/debug.c @@ -1577,6 +1577,8 @@ int ath9k_init_debug(struct ath_hw *ah) sc->debug.debugfs_phy, sc, &fops_tx_chainmask); debugfs_create_file("disable_ani", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_disable_ani); + debugfs_create_bool("paprd", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, + &sc->sc_ah->config.enable_paprd); debugfs_create_file("regidx", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, sc, &fops_regidx); debugfs_create_file("regval", S_IRUSR | S_IWUSR, sc->debug.debugfs_phy, diff --git a/drivers/net/wireless/ath/ath9k/gpio.c b/drivers/net/wireless/ath/ath9k/gpio.c index bacdb8fb4ef4..9f83f71742a5 100644 --- a/drivers/net/wireless/ath/ath9k/gpio.c +++ b/drivers/net/wireless/ath/ath9k/gpio.c @@ -341,7 +341,8 @@ void ath9k_btcoex_stop_gen_timer(struct ath_softc *sc) { struct ath_btcoex *btcoex = &sc->btcoex; - ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); + if (btcoex->hw_timer_enabled) + ath9k_gen_timer_stop(sc->sc_ah, btcoex->no_stomp_timer); } u16 ath9k_btcoex_aggr_limit(struct ath_softc *sc, u32 max_4ms_framelen) diff --git a/drivers/net/wireless/ath/ath9k/hw.c b/drivers/net/wireless/ath/ath9k/hw.c index 60b6a9daff7e..4faf0a395876 100644 --- a/drivers/net/wireless/ath/ath9k/hw.c +++ b/drivers/net/wireless/ath/ath9k/hw.c @@ -463,9 +463,6 @@ static void ath9k_hw_init_config(struct ath_hw *ah) ah->config.spurchans[i][1] = AR_NO_SPUR; } - /* PAPRD needs some more work to be enabled */ - ah->config.paprd_disable = 1; - ah->config.rx_intr_mitigation = true; ah->config.pcieSerDesWrite = true; @@ -978,9 +975,6 @@ static void ath9k_hw_init_interrupt_masks(struct ath_hw *ah, else imr_reg |= AR_IMR_TXOK; - if (opmode == NL80211_IFTYPE_AP) - imr_reg |= AR_IMR_MIB; - ENABLE_REGWRITE_BUFFER(ah); REG_WRITE(ah, AR_IMR, imr_reg); @@ -1778,6 +1772,8 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan, /* Operating channel changed, reset channel calibration data */ memset(caldata, 0, sizeof(*caldata)); ath9k_init_nfcal_hist_buffer(ah, chan); + } else if (caldata) { + caldata->paprd_packet_sent = false; } ah->noise = ath9k_hw_getchan_noise(ah, chan); @@ -2501,9 +2497,6 @@ int ath9k_hw_fill_cap_info(struct ath_hw *ah) pCap->rx_status_len = sizeof(struct ar9003_rxs); pCap->tx_desc_len = sizeof(struct ar9003_txc); pCap->txs_len = sizeof(struct ar9003_txs); - if (!ah->config.paprd_disable && - ah->eep_ops->get_eeprom(ah, EEP_PAPRD)) - pCap->hw_caps |= ATH9K_HW_CAP_PAPRD; } else { pCap->tx_desc_len = sizeof(struct ath_desc); if (AR_SREV_9280_20(ah)) diff --git a/drivers/net/wireless/ath/ath9k/hw.h b/drivers/net/wireless/ath/ath9k/hw.h index ce7332c64efb..de6968fc64f4 100644 --- a/drivers/net/wireless/ath/ath9k/hw.h +++ b/drivers/net/wireless/ath/ath9k/hw.h @@ -236,7 +236,6 @@ enum ath9k_hw_caps { ATH9K_HW_CAP_LDPC = BIT(6), ATH9K_HW_CAP_FASTCLOCK = BIT(7), ATH9K_HW_CAP_SGI_20 = BIT(8), - ATH9K_HW_CAP_PAPRD = BIT(9), ATH9K_HW_CAP_ANT_DIV_COMB = BIT(10), ATH9K_HW_CAP_2GHZ = BIT(11), ATH9K_HW_CAP_5GHZ = BIT(12), @@ -287,12 +286,12 @@ struct ath9k_ops_config { u8 pcie_clock_req; u32 pcie_waen; u8 analog_shiftreg; - u8 paprd_disable; u32 ofdm_trig_low; u32 ofdm_trig_high; u32 cck_trig_high; u32 cck_trig_low; u32 enable_ani; + u32 enable_paprd; int serialize_regmode; bool rx_intr_mitigation; bool tx_intr_mitigation; @@ -405,6 +404,7 @@ struct ath9k_hw_cal_data { int8_t iCoff; int8_t qCoff; bool rtt_done; + bool paprd_packet_sent; bool paprd_done; bool nfcal_pending; bool nfcal_interference; diff --git a/drivers/net/wireless/ath/ath9k/link.c b/drivers/net/wireless/ath/ath9k/link.c index d4549e9aac5c..7b88b9c39ccd 100644 --- a/drivers/net/wireless/ath/ath9k/link.c +++ b/drivers/net/wireless/ath/ath9k/link.c @@ -254,8 +254,9 @@ void ath_paprd_calibrate(struct work_struct *work) int chain_ok = 0; int chain; int len = 1800; + int ret; - if (!caldata) + if (!caldata || !caldata->paprd_packet_sent || caldata->paprd_done) return; ath9k_ps_wakeup(sc); @@ -282,13 +283,6 @@ void ath_paprd_calibrate(struct work_struct *work) continue; chain_ok = 0; - - ath_dbg(common, CALIBRATE, - "Sending PAPRD frame for thermal measurement on chain %d\n", - chain); - if (!ath_paprd_send_frame(sc, skb, chain)) - goto fail_paprd; - ar9003_paprd_setup_gain_table(ah, chain); ath_dbg(common, CALIBRATE, @@ -302,7 +296,13 @@ void ath_paprd_calibrate(struct work_struct *work) break; } - if (ar9003_paprd_create_curve(ah, caldata, chain)) { + ret = ar9003_paprd_create_curve(ah, caldata, chain); + if (ret == -EINPROGRESS) { + ath_dbg(common, CALIBRATE, + "PAPRD curve on chain %d needs to be re-trained\n", + chain); + break; + } else if (ret) { ath_dbg(common, CALIBRATE, "PAPRD create curve failed on chain %d\n", chain); @@ -423,7 +423,7 @@ set_timer: cal_interval = min(cal_interval, (u32)short_cal_interval); mod_timer(&common->ani.timer, jiffies + msecs_to_jiffies(cal_interval)); - if ((sc->sc_ah->caps.hw_caps & ATH9K_HW_CAP_PAPRD) && ah->caldata) { + if (ah->eep_ops->get_eeprom(ah, EEP_PAPRD) && ah->caldata) { if (!ah->caldata->paprd_done) ieee80211_queue_work(sc->hw, &sc->paprd_work); else if (!ah->paprd_table_write_done) diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c index 2c9da6b2ecb1..0d4155aec48d 100644 --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c @@ -2018,6 +2018,9 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb, ath_dbg(common, XMIT, "TX complete: skb: %p\n", skb); + if (sc->sc_ah->caldata) + sc->sc_ah->caldata->paprd_packet_sent = true; + if (!(tx_flags & ATH_TX_ERROR)) /* Frame was ACKed */ tx_info->flags |= IEEE80211_TX_STAT_ACK; diff --git a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c index 49765d34b4e0..7c4ee72f9d56 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/bcmsdh_sdmmc.c @@ -638,6 +638,8 @@ static int brcmf_sdio_pd_probe(struct platform_device *pdev) oobirq_entry = kzalloc(sizeof(struct brcmf_sdio_oobirq), GFP_KERNEL); + if (!oobirq_entry) + return -ENOMEM; oobirq_entry->irq = res->start; oobirq_entry->flags = res->flags & IRQF_TRIGGER_MASK; list_add_tail(&oobirq_entry->list, &oobirq_lh); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c index 2621dd3d7dcd..6f70953f0bad 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/dhd_common.c @@ -764,8 +764,11 @@ static void brcmf_c_arp_offload_set(struct brcmf_pub *drvr, int arp_mode) { char iovbuf[32]; int retcode; + __le32 arp_mode_le; - brcmf_c_mkiovar("arp_ol", (char *)&arp_mode, 4, iovbuf, sizeof(iovbuf)); + arp_mode_le = cpu_to_le32(arp_mode); + brcmf_c_mkiovar("arp_ol", (char *)&arp_mode_le, 4, iovbuf, + sizeof(iovbuf)); retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); retcode = retcode >= 0 ? 0 : retcode; @@ -781,8 +784,11 @@ static void brcmf_c_arp_offload_enable(struct brcmf_pub *drvr, int arp_enable) { char iovbuf[32]; int retcode; + __le32 arp_enable_le; - brcmf_c_mkiovar("arpoe", (char *)&arp_enable, 4, + arp_enable_le = cpu_to_le32(arp_enable); + + brcmf_c_mkiovar("arpoe", (char *)&arp_enable_le, 4, iovbuf, sizeof(iovbuf)); retcode = brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); @@ -800,10 +806,10 @@ int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) char iovbuf[BRCMF_EVENTING_MASK_LEN + 12]; /* Room for "event_msgs" + '\0' + bitvec */ char buf[128], *ptr; - u32 roaming = 1; - uint bcn_timeout = 3; - int scan_assoc_time = 40; - int scan_unassoc_time = 40; + __le32 roaming_le = cpu_to_le32(1); + __le32 bcn_timeout_le = cpu_to_le32(3); + __le32 scan_assoc_time_le = cpu_to_le32(40); + __le32 scan_unassoc_time_le = cpu_to_le32(40); int i; struct brcmf_bus_dcmd *cmdlst; struct list_head *cur, *q; @@ -829,14 +835,14 @@ int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) /* Setup timeout if Beacons are lost and roam is off to report link down */ - brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout, 4, iovbuf, + brcmf_c_mkiovar("bcn_timeout", (char *)&bcn_timeout_le, 4, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); /* Enable/Disable build-in roaming to allowed ext supplicant to take of romaing */ - brcmf_c_mkiovar("roam_off", (char *)&roaming, 4, + brcmf_c_mkiovar("roam_off", (char *)&roaming_le, 4, iovbuf, sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_VAR, iovbuf, sizeof(iovbuf)); @@ -848,9 +854,9 @@ int brcmf_c_preinit_dcmds(struct brcmf_pub *drvr) sizeof(iovbuf)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_CHANNEL_TIME, - (char *)&scan_assoc_time, sizeof(scan_assoc_time)); + (char *)&scan_assoc_time_le, sizeof(scan_assoc_time_le)); brcmf_proto_cdc_set_dcmd(drvr, 0, BRCMF_C_SET_SCAN_UNASSOC_TIME, - (char *)&scan_unassoc_time, sizeof(scan_unassoc_time)); + (char *)&scan_unassoc_time_le, sizeof(scan_unassoc_time_le)); /* Set and enable ARP offload feature */ brcmf_c_arp_offload_set(drvr, BRCMF_ARPOL_MODE); diff --git a/drivers/net/wireless/brcm80211/brcmfmac/usb.c b/drivers/net/wireless/brcm80211/brcmfmac/usb.c index a299d42da8e7..58f89fa9c9f8 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/usb.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/usb.c @@ -519,7 +519,7 @@ static void brcmf_usb_tx_complete(struct urb *urb) else devinfo->bus_pub.bus->dstats.tx_errors++; - dev_kfree_skb(req->skb); + brcmu_pkt_buf_free_skb(req->skb); req->skb = NULL; brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req); @@ -540,7 +540,7 @@ static void brcmf_usb_rx_complete(struct urb *urb) devinfo->bus_pub.bus->dstats.rx_packets++; } else { devinfo->bus_pub.bus->dstats.rx_errors++; - dev_kfree_skb(skb); + brcmu_pkt_buf_free_skb(skb); brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); return; } @@ -550,13 +550,15 @@ static void brcmf_usb_rx_complete(struct urb *urb) if (brcmf_proto_hdrpull(devinfo->dev, &ifidx, skb) != 0) { brcmf_dbg(ERROR, "rx protocol error\n"); brcmu_pkt_buf_free_skb(skb); + brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); devinfo->bus_pub.bus->dstats.rx_errors++; } else { brcmf_rx_packet(devinfo->dev, ifidx, skb); brcmf_usb_rx_refill(devinfo, req); } } else { - dev_kfree_skb(skb); + brcmu_pkt_buf_free_skb(skb); + brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); } return; @@ -581,14 +583,13 @@ static void brcmf_usb_rx_refill(struct brcmf_usbdev_info *devinfo, usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->rx_pipe, skb->data, skb_tailroom(skb), brcmf_usb_rx_complete, req); - req->urb->transfer_flags |= URB_ZERO_PACKET; req->devinfo = devinfo; + brcmf_usb_enq(devinfo, &devinfo->rx_postq, req); ret = usb_submit_urb(req->urb, GFP_ATOMIC); - if (ret == 0) { - brcmf_usb_enq(devinfo, &devinfo->rx_postq, req); - } else { - dev_kfree_skb(req->skb); + if (ret) { + brcmf_usb_del_fromq(devinfo, req); + brcmu_pkt_buf_free_skb(req->skb); req->skb = NULL; brcmf_usb_enq(devinfo, &devinfo->rx_freeq, req); } @@ -683,23 +684,22 @@ static int brcmf_usb_tx(struct device *dev, struct sk_buff *skb) req = brcmf_usb_deq(devinfo, &devinfo->tx_freeq); if (!req) { + brcmu_pkt_buf_free_skb(skb); brcmf_dbg(ERROR, "no req to send\n"); return -ENOMEM; } - if (!req->urb) { - brcmf_dbg(ERROR, "no urb for req %p\n", req); - return -ENOBUFS; - } req->skb = skb; req->devinfo = devinfo; usb_fill_bulk_urb(req->urb, devinfo->usbdev, devinfo->tx_pipe, skb->data, skb->len, brcmf_usb_tx_complete, req); req->urb->transfer_flags |= URB_ZERO_PACKET; + brcmf_usb_enq(devinfo, &devinfo->tx_postq, req); ret = usb_submit_urb(req->urb, GFP_ATOMIC); - if (!ret) { - brcmf_usb_enq(devinfo, &devinfo->tx_postq, req); - } else { + if (ret) { + brcmf_dbg(ERROR, "brcmf_usb_tx usb_submit_urb FAILED\n"); + brcmf_usb_del_fromq(devinfo, req); + brcmu_pkt_buf_free_skb(req->skb); req->skb = NULL; brcmf_usb_enq(devinfo, &devinfo->tx_freeq, req); } diff --git a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c index 28c5fbb4af26..50b5553b6964 100644 --- a/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c +++ b/drivers/net/wireless/brcm80211/brcmfmac/wl_cfg80211.c @@ -500,8 +500,10 @@ static void wl_iscan_prep(struct brcmf_scan_params_le *params_le, params_le->active_time = cpu_to_le32(-1); params_le->passive_time = cpu_to_le32(-1); params_le->home_time = cpu_to_le32(-1); - if (ssid && ssid->SSID_len) - memcpy(¶ms_le->ssid_le, ssid, sizeof(struct brcmf_ssid)); + if (ssid && ssid->SSID_len) { + params_le->ssid_le.SSID_len = cpu_to_le32(ssid->SSID_len); + memcpy(¶ms_le->ssid_le.SSID, ssid->SSID, ssid->SSID_len); + } } static s32 @@ -1876,16 +1878,17 @@ brcmf_cfg80211_get_station(struct wiphy *wiphy, struct net_device *ndev, } if (test_bit(WL_STATUS_CONNECTED, &cfg_priv->status)) { - scb_val.val = cpu_to_le32(0); + memset(&scb_val, 0, sizeof(scb_val)); err = brcmf_exec_dcmd(ndev, BRCMF_C_GET_RSSI, &scb_val, sizeof(struct brcmf_scb_val_le)); - if (err) + if (err) { WL_ERR("Could not get rssi (%d)\n", err); - - rssi = le32_to_cpu(scb_val.val); - sinfo->filled |= STATION_INFO_SIGNAL; - sinfo->signal = rssi; - WL_CONN("RSSI %d dBm\n", rssi); + } else { + rssi = le32_to_cpu(scb_val.val); + sinfo->filled |= STATION_INFO_SIGNAL; + sinfo->signal = rssi; + WL_CONN("RSSI %d dBm\n", rssi); + } } done: diff --git a/drivers/net/wireless/brcm80211/brcmsmac/channel.c b/drivers/net/wireless/brcm80211/brcmsmac/channel.c index 7ed7d7577024..64a48f06d68b 100644 --- a/drivers/net/wireless/brcm80211/brcmsmac/channel.c +++ b/drivers/net/wireless/brcm80211/brcmsmac/channel.c @@ -77,7 +77,7 @@ NL80211_RRF_NO_IBSS) static const struct ieee80211_regdomain brcms_regdom_x2 = { - .n_reg_rules = 7, + .n_reg_rules = 6, .alpha2 = "X2", .reg_rules = { BRCM_2GHZ_2412_2462, diff --git a/drivers/net/wireless/libertas/if_sdio.c b/drivers/net/wireless/libertas/if_sdio.c index e970897f6ab5..4cb234349fbf 100644 --- a/drivers/net/wireless/libertas/if_sdio.c +++ b/drivers/net/wireless/libertas/if_sdio.c @@ -1326,6 +1326,11 @@ static int if_sdio_suspend(struct device *dev) mmc_pm_flag_t flags = sdio_get_host_pm_caps(func); + /* If we're powered off anyway, just let the mmc layer remove the + * card. */ + if (!lbs_iface_active(card->priv)) + return -ENOSYS; + dev_info(dev, "%s: suspend: PM flags = 0x%x\n", sdio_func_id(func), flags); diff --git a/drivers/net/wireless/mwifiex/cmdevt.c b/drivers/net/wireless/mwifiex/cmdevt.c index c68adec3cc8b..565527aee0ea 100644 --- a/drivers/net/wireless/mwifiex/cmdevt.c +++ b/drivers/net/wireless/mwifiex/cmdevt.c @@ -170,7 +170,20 @@ static int mwifiex_dnld_cmd_to_fw(struct mwifiex_private *priv, cmd_code = le16_to_cpu(host_cmd->command); cmd_size = le16_to_cpu(host_cmd->size); - skb_trim(cmd_node->cmd_skb, cmd_size); + /* Adjust skb length */ + if (cmd_node->cmd_skb->len > cmd_size) + /* + * cmd_size is less than sizeof(struct host_cmd_ds_command). + * Trim off the unused portion. + */ + skb_trim(cmd_node->cmd_skb, cmd_size); + else if (cmd_node->cmd_skb->len < cmd_size) + /* + * cmd_size is larger than sizeof(struct host_cmd_ds_command) + * because we have appended custom IE TLV. Increase skb length + * accordingly. + */ + skb_put(cmd_node->cmd_skb, cmd_size - cmd_node->cmd_skb->len); do_gettimeofday(&tstamp); dev_dbg(adapter->dev, "cmd: DNLD_CMD: (%lu.%lu): %#x, act %#x, len %d," diff --git a/drivers/net/wireless/rt2x00/rt2400pci.c b/drivers/net/wireless/rt2x00/rt2400pci.c index 8b9dbd76a252..64328af496f5 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.c +++ b/drivers/net/wireless/rt2x00/rt2400pci.c @@ -1611,6 +1611,7 @@ static int rt2400pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u32 reg; /* * Allocate eeprom data. @@ -1624,6 +1625,14 @@ static int rt2400pci_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2x00pci_register_read(rt2x00dev, GPIOCSR, ®); + rt2x00_set_field32(®, GPIOCSR_BIT8, 1); + rt2x00pci_register_write(rt2x00dev, GPIOCSR, reg); + + /* * Initialize hw specifications. */ retval = rt2400pci_probe_hw_mode(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2400pci.h b/drivers/net/wireless/rt2x00/rt2400pci.h index d3a4a68cc439..7564ae992b73 100644 --- a/drivers/net/wireless/rt2x00/rt2400pci.h +++ b/drivers/net/wireless/rt2x00/rt2400pci.h @@ -670,6 +670,7 @@ #define GPIOCSR_BIT5 FIELD32(0x00000020) #define GPIOCSR_BIT6 FIELD32(0x00000040) #define GPIOCSR_BIT7 FIELD32(0x00000080) +#define GPIOCSR_BIT8 FIELD32(0x00000100) /* * BBPPCSR: BBP Pin control register. diff --git a/drivers/net/wireless/rt2x00/rt2500pci.c b/drivers/net/wireless/rt2x00/rt2500pci.c index d2cf8a4bc8b5..3de0406735f6 100644 --- a/drivers/net/wireless/rt2x00/rt2500pci.c +++ b/drivers/net/wireless/rt2x00/rt2500pci.c @@ -1929,6 +1929,7 @@ static int rt2500pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u32 reg; /* * Allocate eeprom data. @@ -1942,6 +1943,14 @@ static int rt2500pci_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2x00pci_register_read(rt2x00dev, GPIOCSR, ®); + rt2x00_set_field32(®, GPIOCSR_DIR0, 1); + rt2x00pci_register_write(rt2x00dev, GPIOCSR, reg); + + /* * Initialize hw specifications. */ retval = rt2500pci_probe_hw_mode(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2500usb.c b/drivers/net/wireless/rt2x00/rt2500usb.c index 3aae36bb0a9e..89fee311d8fd 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.c +++ b/drivers/net/wireless/rt2x00/rt2500usb.c @@ -283,7 +283,7 @@ static int rt2500usb_rfkill_poll(struct rt2x00_dev *rt2x00dev) u16 reg; rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®); - return rt2x00_get_field32(reg, MAC_CSR19_BIT7); + return rt2x00_get_field16(reg, MAC_CSR19_BIT7); } #ifdef CONFIG_RT2X00_LIB_LEDS @@ -1768,6 +1768,7 @@ static int rt2500usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u16 reg; /* * Allocate eeprom data. @@ -1781,6 +1782,14 @@ static int rt2500usb_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2500usb_register_read(rt2x00dev, MAC_CSR19, ®); + rt2x00_set_field16(®, MAC_CSR19_BIT8, 0); + rt2500usb_register_write(rt2x00dev, MAC_CSR19, reg); + + /* * Initialize hw specifications. */ retval = rt2500usb_probe_hw_mode(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2500usb.h b/drivers/net/wireless/rt2x00/rt2500usb.h index b493306a7eed..196bd5103e4f 100644 --- a/drivers/net/wireless/rt2x00/rt2500usb.h +++ b/drivers/net/wireless/rt2x00/rt2500usb.h @@ -189,14 +189,15 @@ * MAC_CSR19: GPIO control register. */ #define MAC_CSR19 0x0426 -#define MAC_CSR19_BIT0 FIELD32(0x0001) -#define MAC_CSR19_BIT1 FIELD32(0x0002) -#define MAC_CSR19_BIT2 FIELD32(0x0004) -#define MAC_CSR19_BIT3 FIELD32(0x0008) -#define MAC_CSR19_BIT4 FIELD32(0x0010) -#define MAC_CSR19_BIT5 FIELD32(0x0020) -#define MAC_CSR19_BIT6 FIELD32(0x0040) -#define MAC_CSR19_BIT7 FIELD32(0x0080) +#define MAC_CSR19_BIT0 FIELD16(0x0001) +#define MAC_CSR19_BIT1 FIELD16(0x0002) +#define MAC_CSR19_BIT2 FIELD16(0x0004) +#define MAC_CSR19_BIT3 FIELD16(0x0008) +#define MAC_CSR19_BIT4 FIELD16(0x0010) +#define MAC_CSR19_BIT5 FIELD16(0x0020) +#define MAC_CSR19_BIT6 FIELD16(0x0040) +#define MAC_CSR19_BIT7 FIELD16(0x0080) +#define MAC_CSR19_BIT8 FIELD16(0x0100) /* * MAC_CSR20: LED control register. diff --git a/drivers/net/wireless/rt2x00/rt2800lib.c b/drivers/net/wireless/rt2x00/rt2800lib.c index cb8c2aca54e4..b93516d832fb 100644 --- a/drivers/net/wireless/rt2x00/rt2800lib.c +++ b/drivers/net/wireless/rt2x00/rt2800lib.c @@ -4089,6 +4089,7 @@ static int rt2800_init_rfcsr(struct rt2x00_dev *rt2x00dev) rt2800_register_write(rt2x00dev, LDO_CFG0, reg); msleep(1); rt2800_register_read(rt2x00dev, LDO_CFG0, ®); + rt2x00_set_field32(®, LDO_CFG0_LDO_CORE_VLEVEL, 0); rt2x00_set_field32(®, LDO_CFG0_BGSEL, 1); rt2800_register_write(rt2x00dev, LDO_CFG0, reg); } diff --git a/drivers/net/wireless/rt2x00/rt2800pci.c b/drivers/net/wireless/rt2x00/rt2800pci.c index 98aa426a3564..4765bbd654cd 100644 --- a/drivers/net/wireless/rt2x00/rt2800pci.c +++ b/drivers/net/wireless/rt2x00/rt2800pci.c @@ -983,6 +983,7 @@ static int rt2800pci_validate_eeprom(struct rt2x00_dev *rt2x00dev) static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u32 reg; /* * Allocate eeprom data. @@ -996,6 +997,14 @@ static int rt2800pci_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2x00pci_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); + rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT2, 1); + rt2x00pci_register_write(rt2x00dev, GPIO_CTRL_CFG, reg); + + /* * Initialize hw specifications. */ retval = rt2800_probe_hw_mode(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c index 6cf336595e25..6b4226b71618 100644 --- a/drivers/net/wireless/rt2x00/rt2800usb.c +++ b/drivers/net/wireless/rt2x00/rt2800usb.c @@ -667,8 +667,16 @@ static void rt2800usb_fill_rxdone(struct queue_entry *entry, skb_pull(entry->skb, RXINFO_DESC_SIZE); /* - * FIXME: we need to check for rx_pkt_len validity + * Check for rx_pkt_len validity. Return if invalid, leaving + * rxdesc->size zeroed out by the upper level. */ + if (unlikely(rx_pkt_len == 0 || + rx_pkt_len > entry->queue->data_size)) { + ERROR(entry->queue->rt2x00dev, + "Bad frame size %d, forcing to 0\n", rx_pkt_len); + return; + } + rxd = (__le32 *)(entry->skb->data + rx_pkt_len); /* @@ -736,6 +744,7 @@ static int rt2800usb_validate_eeprom(struct rt2x00_dev *rt2x00dev) static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u32 reg; /* * Allocate eeprom data. @@ -749,6 +758,14 @@ static int rt2800usb_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2x00usb_register_read(rt2x00dev, GPIO_CTRL_CFG, ®); + rt2x00_set_field32(®, GPIO_CTRL_CFG_GPIOD_BIT2, 1); + rt2x00usb_register_write(rt2x00dev, GPIO_CTRL_CFG, reg); + + /* * Initialize hw specifications. */ retval = rt2800_probe_hw_mode(rt2x00dev); @@ -1157,6 +1174,8 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x1690, 0x0744) }, { USB_DEVICE(0x1690, 0x0761) }, { USB_DEVICE(0x1690, 0x0764) }, + /* ASUS */ + { USB_DEVICE(0x0b05, 0x179d) }, /* Cisco */ { USB_DEVICE(0x167b, 0x4001) }, /* EnGenius */ @@ -1222,7 +1241,6 @@ static struct usb_device_id rt2800usb_device_table[] = { { USB_DEVICE(0x0b05, 0x1760) }, { USB_DEVICE(0x0b05, 0x1761) }, { USB_DEVICE(0x0b05, 0x1790) }, - { USB_DEVICE(0x0b05, 0x179d) }, /* AzureWave */ { USB_DEVICE(0x13d3, 0x3262) }, { USB_DEVICE(0x13d3, 0x3284) }, diff --git a/drivers/net/wireless/rt2x00/rt2x00dev.c b/drivers/net/wireless/rt2x00/rt2x00dev.c index a6b88bd4a1a5..3f07e36f462b 100644 --- a/drivers/net/wireless/rt2x00/rt2x00dev.c +++ b/drivers/net/wireless/rt2x00/rt2x00dev.c @@ -629,7 +629,7 @@ void rt2x00lib_rxdone(struct queue_entry *entry, gfp_t gfp) */ if (unlikely(rxdesc.size == 0 || rxdesc.size > entry->queue->data_size)) { - WARNING(rt2x00dev, "Wrong frame size %d max %d.\n", + ERROR(rt2x00dev, "Wrong frame size %d max %d.\n", rxdesc.size, entry->queue->data_size); dev_kfree_skb(entry->skb); goto renew_skb; diff --git a/drivers/net/wireless/rt2x00/rt61pci.c b/drivers/net/wireless/rt2x00/rt61pci.c index 3f7bc5cadf9a..b8ec96163922 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.c +++ b/drivers/net/wireless/rt2x00/rt61pci.c @@ -2832,6 +2832,7 @@ static int rt61pci_probe_hw_mode(struct rt2x00_dev *rt2x00dev) static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u32 reg; /* * Disable power saving. @@ -2850,6 +2851,14 @@ static int rt61pci_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2x00pci_register_read(rt2x00dev, MAC_CSR13, ®); + rt2x00_set_field32(®, MAC_CSR13_BIT13, 1); + rt2x00pci_register_write(rt2x00dev, MAC_CSR13, reg); + + /* * Initialize hw specifications. */ retval = rt61pci_probe_hw_mode(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt61pci.h b/drivers/net/wireless/rt2x00/rt61pci.h index e3cd6db76b0e..8f3da5a56766 100644 --- a/drivers/net/wireless/rt2x00/rt61pci.h +++ b/drivers/net/wireless/rt2x00/rt61pci.h @@ -372,6 +372,7 @@ struct hw_pairwise_ta_entry { #define MAC_CSR13_BIT10 FIELD32(0x00000400) #define MAC_CSR13_BIT11 FIELD32(0x00000800) #define MAC_CSR13_BIT12 FIELD32(0x00001000) +#define MAC_CSR13_BIT13 FIELD32(0x00002000) /* * MAC_CSR14: LED control register. diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c index ba6e434b859d..248436c13ce0 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.c +++ b/drivers/net/wireless/rt2x00/rt73usb.c @@ -2177,6 +2177,7 @@ static int rt73usb_probe_hw_mode(struct rt2x00_dev *rt2x00dev) static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) { int retval; + u32 reg; /* * Allocate eeprom data. @@ -2190,6 +2191,14 @@ static int rt73usb_probe_hw(struct rt2x00_dev *rt2x00dev) return retval; /* + * Enable rfkill polling by setting GPIO direction of the + * rfkill switch GPIO pin correctly. + */ + rt2x00usb_register_read(rt2x00dev, MAC_CSR13, ®); + rt2x00_set_field32(®, MAC_CSR13_BIT15, 0); + rt2x00usb_register_write(rt2x00dev, MAC_CSR13, reg); + + /* * Initialize hw specifications. */ retval = rt73usb_probe_hw_mode(rt2x00dev); diff --git a/drivers/net/wireless/rt2x00/rt73usb.h b/drivers/net/wireless/rt2x00/rt73usb.h index 9f6b470414d3..df1cc116b83b 100644 --- a/drivers/net/wireless/rt2x00/rt73usb.h +++ b/drivers/net/wireless/rt2x00/rt73usb.h @@ -282,6 +282,9 @@ struct hw_pairwise_ta_entry { #define MAC_CSR13_BIT10 FIELD32(0x00000400) #define MAC_CSR13_BIT11 FIELD32(0x00000800) #define MAC_CSR13_BIT12 FIELD32(0x00001000) +#define MAC_CSR13_BIT13 FIELD32(0x00002000) +#define MAC_CSR13_BIT14 FIELD32(0x00004000) +#define MAC_CSR13_BIT15 FIELD32(0x00008000) /* * MAC_CSR14: LED control register. diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/def.h b/drivers/net/wireless/rtlwifi/rtl8192ce/def.h index 04c3aef8a4f6..2925094b2d91 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/def.h +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/def.h @@ -117,6 +117,7 @@ #define CHIP_VER_B BIT(4) #define CHIP_92C_BITMASK BIT(0) +#define CHIP_UNKNOWN BIT(7) #define CHIP_92C_1T2R 0x03 #define CHIP_92C 0x01 #define CHIP_88C 0x00 diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c index bd0da7ef290b..dd4bb0950a57 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/hw.c @@ -994,8 +994,16 @@ static enum version_8192c _rtl92ce_read_chip_version(struct ieee80211_hw *hw) version = (value32 & TYPE_ID) ? VERSION_A_CHIP_92C : VERSION_A_CHIP_88C; } else { - version = (value32 & TYPE_ID) ? VERSION_B_CHIP_92C : - VERSION_B_CHIP_88C; + version = (enum version_8192c) (CHIP_VER_B | + ((value32 & TYPE_ID) ? CHIP_92C_BITMASK : 0) | + ((value32 & VENDOR_ID) ? CHIP_VENDOR_UMC : 0)); + if ((!IS_CHIP_VENDOR_UMC(version)) && (value32 & + CHIP_VER_RTL_MASK)) { + version = (enum version_8192c)(version | + ((((value32 & CHIP_VER_RTL_MASK) == BIT(12)) + ? CHIP_VENDOR_UMC_B_CUT : CHIP_UNKNOWN) | + CHIP_VENDOR_UMC)); + } } switch (version) { diff --git a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c index 3aa927f8b9b9..7d8f96405f42 100644 --- a/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c +++ b/drivers/net/wireless/rtlwifi/rtl8192ce/sw.c @@ -162,10 +162,12 @@ int rtl92c_init_sw_vars(struct ieee80211_hw *hw) /* request fw */ if (IS_VENDOR_UMC_A_CUT(rtlhal->version) && - !IS_92C_SERIAL(rtlhal->version)) + !IS_92C_SERIAL(rtlhal->version)) { rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cfwU.bin"; - else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version)) + } else if (IS_81xxC_VENDOR_UMC_B_CUT(rtlhal->version)) { rtlpriv->cfg->fw_name = "rtlwifi/rtl8192cfwU_B.bin"; + pr_info("****** This B_CUT device may not work with kernels 3.6 and earlier\n"); + } rtlpriv->max_fw_size = 0x4000; pr_info("Using firmware %s\n", rtlpriv->cfg->fw_name); diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 3782e1cd3697..934d861a3235 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -2196,10 +2196,8 @@ static int __init acer_wmi_init(void) interface->capability &= ~ACER_CAP_BRIGHTNESS; pr_info("Brightness must be controlled by acpi video driver\n"); } else { -#ifdef CONFIG_ACPI_VIDEO pr_info("Disabling ACPI video driver\n"); acpi_video_unregister(); -#endif } if (wmi_has_guid(WMID_GUID3)) { diff --git a/drivers/platform/x86/apple-gmux.c b/drivers/platform/x86/apple-gmux.c index dfb1a92ce949..db8f63841b42 100644 --- a/drivers/platform/x86/apple-gmux.c +++ b/drivers/platform/x86/apple-gmux.c @@ -101,7 +101,7 @@ static void gmux_pio_write32(struct apple_gmux_data *gmux_data, int port, for (i = 0; i < 4; i++) { tmpval = (val >> (i * 8)) & 0xff; - outb(tmpval, port + i); + outb(tmpval, gmux_data->iostart + port + i); } } @@ -142,8 +142,9 @@ static u8 gmux_index_read8(struct apple_gmux_data *gmux_data, int port) u8 val; mutex_lock(&gmux_data->index_lock); - outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); gmux_index_wait_ready(gmux_data); + outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); + gmux_index_wait_complete(gmux_data); val = inb(gmux_data->iostart + GMUX_PORT_VALUE); mutex_unlock(&gmux_data->index_lock); @@ -166,8 +167,9 @@ static u32 gmux_index_read32(struct apple_gmux_data *gmux_data, int port) u32 val; mutex_lock(&gmux_data->index_lock); - outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); gmux_index_wait_ready(gmux_data); + outb((port & 0xff), gmux_data->iostart + GMUX_PORT_READ); + gmux_index_wait_complete(gmux_data); val = inl(gmux_data->iostart + GMUX_PORT_VALUE); mutex_unlock(&gmux_data->index_lock); @@ -461,18 +463,22 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, ver_release = gmux_read8(gmux_data, GMUX_PORT_VERSION_RELEASE); if (ver_major == 0xff && ver_minor == 0xff && ver_release == 0xff) { if (gmux_is_indexed(gmux_data)) { + u32 version; mutex_init(&gmux_data->index_lock); gmux_data->indexed = true; + version = gmux_read32(gmux_data, + GMUX_PORT_VERSION_MAJOR); + ver_major = (version >> 24) & 0xff; + ver_minor = (version >> 16) & 0xff; + ver_release = (version >> 8) & 0xff; } else { pr_info("gmux device not present\n"); ret = -ENODEV; goto err_release; } - pr_info("Found indexed gmux\n"); - } else { - pr_info("Found gmux version %d.%d.%d\n", ver_major, ver_minor, - ver_release); } + pr_info("Found gmux version %d.%d.%d [%s]\n", ver_major, ver_minor, + ver_release, (gmux_data->indexed ? "indexed" : "classic")); memset(&props, 0, sizeof(props)); props.type = BACKLIGHT_PLATFORM; @@ -505,9 +511,7 @@ static int __devinit gmux_probe(struct pnp_dev *pnp, * Disable the other backlight choices. */ acpi_video_dmi_promote_vendor(); -#if defined (CONFIG_ACPI_VIDEO) || defined (CONFIG_ACPI_VIDEO_MODULE) acpi_video_unregister(); -#endif apple_bl_unregister(); gmux_data->power_state = VGA_SWITCHEROO_ON; @@ -593,9 +597,7 @@ static void __devexit gmux_remove(struct pnp_dev *pnp) kfree(gmux_data); acpi_video_dmi_demote_vendor(); -#if defined (CONFIG_ACPI_VIDEO) || defined (CONFIG_ACPI_VIDEO_MODULE) acpi_video_register(); -#endif apple_bl_register(); } diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index e38f91be0b10..4b568df56643 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -85,7 +85,7 @@ static char *wled_type = "unknown"; static char *bled_type = "unknown"; module_param(wled_type, charp, 0444); -MODULE_PARM_DESC(wlan_status, "Set the wled type on boot " +MODULE_PARM_DESC(wled_type, "Set the wled type on boot " "(unknown, led or rfkill). " "default is unknown"); @@ -863,9 +863,9 @@ static ssize_t show_infos(struct device *dev, * The significance of others is yet to be found. * If we don't find the method, we assume the device are present. */ - rv = acpi_evaluate_integer(asus->handle, "HRWS", NULL, &temp); + rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp); if (!ACPI_FAILURE(rv)) - len += sprintf(page + len, "HRWS value : %#x\n", + len += sprintf(page + len, "HWRS value : %#x\n", (uint) temp); /* * Another value for userspace: the ASYM method returns 0x02 for @@ -1751,9 +1751,9 @@ static int asus_laptop_get_info(struct asus_laptop *asus) * The significance of others is yet to be found. */ status = - acpi_evaluate_integer(asus->handle, "HRWS", NULL, &hwrs_result); + acpi_evaluate_integer(asus->handle, "HWRS", NULL, &hwrs_result); if (!ACPI_FAILURE(status)) - pr_notice(" HRWS returned %x", (int)hwrs_result); + pr_notice(" HWRS returned %x", (int)hwrs_result); if (!acpi_check_handle(asus->handle, METHOD_WL_STATUS, NULL)) asus->have_rsts = true; diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 2eb9fe8e8efd..c0e9ff489b24 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -47,9 +47,7 @@ #include <linux/thermal.h> #include <acpi/acpi_bus.h> #include <acpi/acpi_drivers.h> -#ifdef CONFIG_ACPI_VIDEO #include <acpi/video.h> -#endif #include "asus-wmi.h" @@ -1704,10 +1702,8 @@ static int asus_wmi_add(struct platform_device *pdev) if (asus->driver->quirks->wmi_backlight_power) acpi_video_dmi_promote_vendor(); if (!acpi_video_backlight_support()) { -#ifdef CONFIG_ACPI_VIDEO pr_info("Disabling ACPI video driver\n"); acpi_video_unregister(); -#endif err = asus_wmi_backlight_init(asus); if (err && err != -ENODEV) goto fail_backlight; diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index dab91b48d22c..5ca264179f4e 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -610,12 +610,12 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) if (!bus) { pr_warn("Unable to find PCI bus 1?\n"); - goto out_unlock; + goto out_put_dev; } if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) { pr_err("Unable to read PCI config space?\n"); - goto out_unlock; + goto out_put_dev; } absent = (l == 0xffffffff); @@ -627,7 +627,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) absent ? "absent" : "present"); pr_warn("skipped wireless hotplug as probably " "inappropriate for this model\n"); - goto out_unlock; + goto out_put_dev; } if (!blocked) { @@ -635,7 +635,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) if (dev) { /* Device already present */ pci_dev_put(dev); - goto out_unlock; + goto out_put_dev; } dev = pci_scan_single_device(bus, 0); if (dev) { @@ -650,6 +650,8 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle) pci_dev_put(dev); } } +out_put_dev: + pci_dev_put(port); } out_unlock: diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index c1ca7bcebb66..dd90d15f5210 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -26,9 +26,7 @@ #include <linux/seq_file.h> #include <linux/debugfs.h> #include <linux/ctype.h> -#ifdef CONFIG_ACPI_VIDEO #include <acpi/video.h> -#endif /* * This driver is needed because a number of Samsung laptops do not hook @@ -1558,9 +1556,7 @@ static int __init samsung_init(void) samsung->handle_backlight = false; } else if (samsung->quirks->broken_acpi_video) { pr_info("Disabling ACPI video driver\n"); -#ifdef CONFIG_ACPI_VIDEO acpi_video_unregister(); -#endif } #endif diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 80e377949314..52daaa816e53 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -545,7 +545,7 @@ TPACPI_HANDLE(hkey, ec, "\\_SB.HKEY", /* 600e/x, 770e, 770x */ */ static int acpi_evalf(acpi_handle handle, - void *res, char *method, char *fmt, ...) + int *res, char *method, char *fmt, ...) { char *fmt0 = fmt; struct acpi_object_list params; @@ -606,7 +606,7 @@ static int acpi_evalf(acpi_handle handle, success = (status == AE_OK && out_obj.type == ACPI_TYPE_INTEGER); if (success && res) - *(int *)res = out_obj.integer.value; + *res = out_obj.integer.value; break; case 'v': /* void */ success = status == AE_OK; @@ -7386,17 +7386,18 @@ static int fan_get_status(u8 *status) * Add TPACPI_FAN_RD_ACPI_FANS ? */ switch (fan_status_access_mode) { - case TPACPI_FAN_RD_ACPI_GFAN: + case TPACPI_FAN_RD_ACPI_GFAN: { /* 570, 600e/x, 770e, 770x */ + int res; - if (unlikely(!acpi_evalf(gfan_handle, &s, NULL, "d"))) + if (unlikely(!acpi_evalf(gfan_handle, &res, NULL, "d"))) return -EIO; if (likely(status)) - *status = s & 0x07; + *status = res & 0x07; break; - + } case TPACPI_FAN_RD_TPEC: /* all except 570, 600e/x, 770e, 770x */ if (unlikely(!acpi_ec_read(fan_status_offset, &s))) diff --git a/drivers/pwm/pwm-tiecap.c b/drivers/pwm/pwm-tiecap.c index 0b66d0f25922..4b6688909fee 100644 --- a/drivers/pwm/pwm-tiecap.c +++ b/drivers/pwm/pwm-tiecap.c @@ -100,6 +100,13 @@ static int ecap_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, writel(period_cycles, pc->mmio_base + CAP3); } + if (!test_bit(PWMF_ENABLED, &pwm->flags)) { + reg_val = readw(pc->mmio_base + ECCTL2); + /* Disable APWM mode to put APWM output Low */ + reg_val &= ~ECCTL2_APWM_MODE; + writew(reg_val, pc->mmio_base + ECCTL2); + } + pm_runtime_put_sync(pc->chip.dev); return 0; } diff --git a/drivers/pwm/pwm-tiehrpwm.c b/drivers/pwm/pwm-tiehrpwm.c index c3756d1be194..b1996bcd5b78 100644 --- a/drivers/pwm/pwm-tiehrpwm.c +++ b/drivers/pwm/pwm-tiehrpwm.c @@ -104,6 +104,7 @@ struct ehrpwm_pwm_chip { struct pwm_chip chip; unsigned int clk_rate; void __iomem *mmio_base; + unsigned long period_cycles[NUM_PWM_CHANNEL]; }; static inline struct ehrpwm_pwm_chip *to_ehrpwm_pwm_chip(struct pwm_chip *chip) @@ -210,6 +211,7 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, unsigned long long c; unsigned long period_cycles, duty_cycles; unsigned short ps_divval, tb_divval; + int i; if (period_ns < 0 || duty_ns < 0 || period_ns > NSEC_PER_SEC) return -ERANGE; @@ -229,6 +231,28 @@ static int ehrpwm_pwm_config(struct pwm_chip *chip, struct pwm_device *pwm, duty_cycles = (unsigned long)c; } + /* + * Period values should be same for multiple PWM channels as IP uses + * same period register for multiple channels. + */ + for (i = 0; i < NUM_PWM_CHANNEL; i++) { + if (pc->period_cycles[i] && + (pc->period_cycles[i] != period_cycles)) { + /* + * Allow channel to reconfigure period if no other + * channels being configured. + */ + if (i == pwm->hwpwm) + continue; + + dev_err(chip->dev, "Period value conflicts with channel %d\n", + i); + return -EINVAL; + } + } + + pc->period_cycles[pwm->hwpwm] = period_cycles; + /* Configure clock prescaler to support Low frequency PWM wave */ if (set_prescale_div(period_cycles/PERIOD_MAX, &ps_divval, &tb_divval)) { @@ -320,10 +344,15 @@ static void ehrpwm_pwm_disable(struct pwm_chip *chip, struct pwm_device *pwm) static void ehrpwm_pwm_free(struct pwm_chip *chip, struct pwm_device *pwm) { + struct ehrpwm_pwm_chip *pc = to_ehrpwm_pwm_chip(chip); + if (test_bit(PWMF_ENABLED, &pwm->flags)) { dev_warn(chip->dev, "Removing PWM device without disabling\n"); pm_runtime_put_sync(chip->dev); } + + /* set period value to zero on free */ + pc->period_cycles[pwm->hwpwm] = 0; } static const struct pwm_ops ehrpwm_pwm_ops = { diff --git a/drivers/regulator/tps65217-regulator.c b/drivers/regulator/tps65217-regulator.c index 6caa222af77a..ab00cab905b7 100644 --- a/drivers/regulator/tps65217-regulator.c +++ b/drivers/regulator/tps65217-regulator.c @@ -22,6 +22,7 @@ #include <linux/err.h> #include <linux/platform_device.h> +#include <linux/regulator/of_regulator.h> #include <linux/regulator/driver.h> #include <linux/regulator/machine.h> #include <linux/mfd/tps65217.h> @@ -281,37 +282,130 @@ static const struct regulator_desc regulators[] = { NULL), }; +#ifdef CONFIG_OF +static struct of_regulator_match reg_matches[] = { + { .name = "dcdc1", .driver_data = (void *)TPS65217_DCDC_1 }, + { .name = "dcdc2", .driver_data = (void *)TPS65217_DCDC_2 }, + { .name = "dcdc3", .driver_data = (void *)TPS65217_DCDC_3 }, + { .name = "ldo1", .driver_data = (void *)TPS65217_LDO_1 }, + { .name = "ldo2", .driver_data = (void *)TPS65217_LDO_2 }, + { .name = "ldo3", .driver_data = (void *)TPS65217_LDO_3 }, + { .name = "ldo4", .driver_data = (void *)TPS65217_LDO_4 }, +}; + +static struct tps65217_board *tps65217_parse_dt(struct platform_device *pdev) +{ + struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent); + struct device_node *node = tps->dev->of_node; + struct tps65217_board *pdata; + struct device_node *regs; + int i, count; + + regs = of_find_node_by_name(node, "regulators"); + if (!regs) + return NULL; + + count = of_regulator_match(pdev->dev.parent, regs, + reg_matches, TPS65217_NUM_REGULATOR); + of_node_put(regs); + if ((count < 0) || (count > TPS65217_NUM_REGULATOR)) + return NULL; + + pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL); + if (!pdata) + return NULL; + + for (i = 0; i < count; i++) { + if (!reg_matches[i].init_data || !reg_matches[i].of_node) + continue; + + pdata->tps65217_init_data[i] = reg_matches[i].init_data; + pdata->of_node[i] = reg_matches[i].of_node; + } + + return pdata; +} +#else +static struct tps65217_board *tps65217_parse_dt(struct platform_device *pdev) +{ + return NULL; +} +#endif + static int __devinit tps65217_regulator_probe(struct platform_device *pdev) { + struct tps65217 *tps = dev_get_drvdata(pdev->dev.parent); + struct tps65217_board *pdata = dev_get_platdata(tps->dev); + struct regulator_init_data *reg_data; struct regulator_dev *rdev; - struct tps65217 *tps; - struct tps_info *info = &tps65217_pmic_regs[pdev->id]; struct regulator_config config = { }; + int i, ret; - /* Already set by core driver */ - tps = dev_to_tps65217(pdev->dev.parent); - tps->info[pdev->id] = info; + if (tps->dev->of_node) + pdata = tps65217_parse_dt(pdev); - config.dev = &pdev->dev; - config.of_node = pdev->dev.of_node; - config.init_data = pdev->dev.platform_data; - config.driver_data = tps; + if (!pdata) { + dev_err(&pdev->dev, "Platform data not found\n"); + return -EINVAL; + } - rdev = regulator_register(®ulators[pdev->id], &config); - if (IS_ERR(rdev)) - return PTR_ERR(rdev); + if (tps65217_chip_id(tps) != TPS65217) { + dev_err(&pdev->dev, "Invalid tps chip version\n"); + return -ENODEV; + } - platform_set_drvdata(pdev, rdev); + platform_set_drvdata(pdev, tps); + for (i = 0; i < TPS65217_NUM_REGULATOR; i++) { + + reg_data = pdata->tps65217_init_data[i]; + + /* + * Regulator API handles empty constraints but not NULL + * constraints + */ + if (!reg_data) + continue; + + /* Register the regulators */ + tps->info[i] = &tps65217_pmic_regs[i]; + + config.dev = tps->dev; + config.init_data = reg_data; + config.driver_data = tps; + config.regmap = tps->regmap; + if (tps->dev->of_node) + config.of_node = pdata->of_node[i]; + + rdev = regulator_register(®ulators[i], &config); + if (IS_ERR(rdev)) { + dev_err(tps->dev, "failed to register %s regulator\n", + pdev->name); + ret = PTR_ERR(rdev); + goto err_unregister_regulator; + } + + /* Save regulator for cleanup */ + tps->rdev[i] = rdev; + } return 0; + +err_unregister_regulator: + while (--i >= 0) + regulator_unregister(tps->rdev[i]); + + return ret; } static int __devexit tps65217_regulator_remove(struct platform_device *pdev) { - struct regulator_dev *rdev = platform_get_drvdata(pdev); + struct tps65217 *tps = platform_get_drvdata(pdev); + unsigned int i; + + for (i = 0; i < TPS65217_NUM_REGULATOR; i++) + regulator_unregister(tps->rdev[i]); platform_set_drvdata(pdev, NULL); - regulator_unregister(rdev); return 0; } diff --git a/drivers/rpmsg/virtio_rpmsg_bus.c b/drivers/rpmsg/virtio_rpmsg_bus.c index 590cfafc7c17..1859f71372e2 100644 --- a/drivers/rpmsg/virtio_rpmsg_bus.c +++ b/drivers/rpmsg/virtio_rpmsg_bus.c @@ -1008,8 +1008,8 @@ static int rpmsg_probe(struct virtio_device *vdev) return 0; free_coherent: - dma_free_coherent(vdev->dev.parent, RPMSG_TOTAL_BUF_SPACE, bufs_va, - vrp->bufs_dma); + dma_free_coherent(vdev->dev.parent->parent, RPMSG_TOTAL_BUF_SPACE, + bufs_va, vrp->bufs_dma); vqs_del: vdev->config->del_vqs(vrp->vdev); free_vrp: @@ -1043,7 +1043,7 @@ static void __devexit rpmsg_remove(struct virtio_device *vdev) vdev->config->del_vqs(vrp->vdev); - dma_free_coherent(vdev->dev.parent, RPMSG_TOTAL_BUF_SPACE, + dma_free_coherent(vdev->dev.parent->parent, RPMSG_TOTAL_BUF_SPACE, vrp->rbufs, vrp->bufs_dma); kfree(vrp); diff --git a/drivers/rtc/rtc-twl.c b/drivers/rtc/rtc-twl.c index c5d06fe83bba..9277d945bf48 100644 --- a/drivers/rtc/rtc-twl.c +++ b/drivers/rtc/rtc-twl.c @@ -495,6 +495,11 @@ static int __devinit twl_rtc_probe(struct platform_device *pdev) if (ret < 0) goto out1; + /* ensure interrupts are disabled, bootloaders can be strange */ + ret = twl_rtc_write_u8(0, REG_RTC_INTERRUPTS_REG); + if (ret < 0) + dev_warn(&pdev->dev, "unable to disable interrupt\n"); + /* init cached IRQ enable bits */ ret = twl_rtc_read_u8(&rtc_irq_bits, REG_RTC_INTERRUPTS_REG); if (ret < 0) diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c index 15370a2c5ff0..0595c763dafd 100644 --- a/drivers/s390/block/dasd.c +++ b/drivers/s390/block/dasd.c @@ -534,11 +534,11 @@ static void dasd_change_state(struct dasd_device *device) if (rc) device->target = device->state; - if (device->state == device->target) - wake_up(&dasd_init_waitq); - /* let user-space know that the device status changed */ kobject_uevent(&device->cdev->dev.kobj, KOBJ_CHANGE); + + if (device->state == device->target) + wake_up(&dasd_init_waitq); } /* @@ -2157,6 +2157,7 @@ static int _dasd_sleep_on(struct dasd_ccw_req *maincqr, int interruptible) test_bit(DASD_CQR_FLAGS_FAILFAST, &cqr->flags) && (!dasd_eer_enabled(device))) { cqr->status = DASD_CQR_FAILED; + cqr->intrc = -EAGAIN; continue; } /* Don't try to start requests if device is stopped */ @@ -3270,6 +3271,16 @@ void dasd_generic_path_event(struct ccw_device *cdev, int *path_event) dasd_schedule_device_bh(device); } if (path_event[chp] & PE_PATHGROUP_ESTABLISHED) { + if (!(device->path_data.opm & eventlpm) && + !(device->path_data.tbvpm & eventlpm)) { + /* + * we can not establish a pathgroup on an + * unavailable path, so trigger a path + * verification first + */ + device->path_data.tbvpm |= eventlpm; + dasd_schedule_device_bh(device); + } DBF_DEV_EVENT(DBF_WARNING, device, "%s", "Pathgroup re-established\n"); if (device->discipline->kick_validate) diff --git a/drivers/s390/block/dasd_alias.c b/drivers/s390/block/dasd_alias.c index 157defe5e069..6b556995bb33 100644 --- a/drivers/s390/block/dasd_alias.c +++ b/drivers/s390/block/dasd_alias.c @@ -384,6 +384,29 @@ static void _remove_device_from_lcu(struct alias_lcu *lcu, group->next = NULL; }; +static int +suborder_not_supported(struct dasd_ccw_req *cqr) +{ + char *sense; + char reason; + char msg_format; + char msg_no; + + sense = dasd_get_sense(&cqr->irb); + if (!sense) + return 0; + + reason = sense[0]; + msg_format = (sense[7] & 0xF0); + msg_no = (sense[7] & 0x0F); + + /* command reject, Format 0 MSG 4 - invalid parameter */ + if ((reason == 0x80) && (msg_format == 0x00) && (msg_no == 0x04)) + return 1; + + return 0; +} + static int read_unit_address_configuration(struct dasd_device *device, struct alias_lcu *lcu) { @@ -435,6 +458,8 @@ static int read_unit_address_configuration(struct dasd_device *device, do { rc = dasd_sleep_on(cqr); + if (rc && suborder_not_supported(cqr)) + return -EOPNOTSUPP; } while (rc && (cqr->retries > 0)); if (rc) { spin_lock_irqsave(&lcu->lock, flags); @@ -521,7 +546,7 @@ static void lcu_update_work(struct work_struct *work) * processing the data */ spin_lock_irqsave(&lcu->lock, flags); - if (rc || (lcu->flags & NEED_UAC_UPDATE)) { + if ((rc && (rc != -EOPNOTSUPP)) || (lcu->flags & NEED_UAC_UPDATE)) { DBF_DEV_EVENT(DBF_WARNING, device, "could not update" " alias data in lcu (rc = %d), retry later", rc); schedule_delayed_work(&lcu->ruac_data.dwork, 30*HZ); diff --git a/drivers/s390/block/dasd_eckd.c b/drivers/s390/block/dasd_eckd.c index 2fb2b9ea97ec..c48c72abbefc 100644 --- a/drivers/s390/block/dasd_eckd.c +++ b/drivers/s390/block/dasd_eckd.c @@ -1507,7 +1507,8 @@ static struct dasd_ccw_req *dasd_eckd_build_psf_ssc(struct dasd_device *device, * call might change behaviour of DASD devices. */ static int -dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav) +dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav, + unsigned long flags) { struct dasd_ccw_req *cqr; int rc; @@ -1516,10 +1517,19 @@ dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav) if (IS_ERR(cqr)) return PTR_ERR(cqr); + /* + * set flags e.g. turn on failfast, to prevent blocking + * the calling function should handle failed requests + */ + cqr->flags |= flags; + rc = dasd_sleep_on(cqr); if (!rc) /* trigger CIO to reprobe devices */ css_schedule_reprobe(); + else if (cqr->intrc == -EAGAIN) + rc = -EAGAIN; + dasd_sfree_request(cqr, cqr->memdev); return rc; } @@ -1527,7 +1537,8 @@ dasd_eckd_psf_ssc(struct dasd_device *device, int enable_pav) /* * Valide storage server of current device. */ -static void dasd_eckd_validate_server(struct dasd_device *device) +static int dasd_eckd_validate_server(struct dasd_device *device, + unsigned long flags) { int rc; struct dasd_eckd_private *private; @@ -1536,17 +1547,18 @@ static void dasd_eckd_validate_server(struct dasd_device *device) private = (struct dasd_eckd_private *) device->private; if (private->uid.type == UA_BASE_PAV_ALIAS || private->uid.type == UA_HYPER_PAV_ALIAS) - return; + return 0; if (dasd_nopav || MACHINE_IS_VM) enable_pav = 0; else enable_pav = 1; - rc = dasd_eckd_psf_ssc(device, enable_pav); + rc = dasd_eckd_psf_ssc(device, enable_pav, flags); /* may be requested feature is not available on server, * therefore just report error and go ahead */ DBF_EVENT_DEVID(DBF_WARNING, device->cdev, "PSF-SSC for SSID %04x " "returned rc=%d", private->uid.ssid, rc); + return rc; } /* @@ -1556,7 +1568,13 @@ static void dasd_eckd_do_validate_server(struct work_struct *work) { struct dasd_device *device = container_of(work, struct dasd_device, kick_validate); - dasd_eckd_validate_server(device); + if (dasd_eckd_validate_server(device, DASD_CQR_FLAGS_FAILFAST) + == -EAGAIN) { + /* schedule worker again if failed */ + schedule_work(&device->kick_validate); + return; + } + dasd_put_device(device); } @@ -1685,7 +1703,7 @@ dasd_eckd_check_characteristics(struct dasd_device *device) if (rc) goto out_err2; - dasd_eckd_validate_server(device); + dasd_eckd_validate_server(device, 0); /* device may report different configuration data after LCU setup */ rc = dasd_eckd_read_conf(device); @@ -4153,7 +4171,7 @@ static int dasd_eckd_restore_device(struct dasd_device *device) rc = dasd_alias_make_device_known_to_lcu(device); if (rc) return rc; - dasd_eckd_validate_server(device); + dasd_eckd_validate_server(device, DASD_CQR_FLAGS_FAILFAST); /* RE-Read Configuration Data */ rc = dasd_eckd_read_conf(device); diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c index ed25c8740a9c..fc916f5d7314 100644 --- a/drivers/s390/cio/device.c +++ b/drivers/s390/cio/device.c @@ -1426,6 +1426,8 @@ static enum io_sch_action sch_get_action(struct subchannel *sch) return IO_SCH_REPROBE; if (cdev->online) return IO_SCH_VERIFY; + if (cdev->private->state == DEV_STATE_NOT_OPER) + return IO_SCH_UNREG_ATTACH; return IO_SCH_NOP; } @@ -1519,11 +1521,14 @@ static int io_subchannel_sch_event(struct subchannel *sch, int process) goto out; break; case IO_SCH_UNREG_ATTACH: + spin_lock_irqsave(sch->lock, flags); if (cdev->private->flags.resuming) { /* Device will be handled later. */ rc = 0; - goto out; + goto out_unlock; } + sch_set_cdev(sch, NULL); + spin_unlock_irqrestore(sch->lock, flags); /* Unregister ccw device. */ ccw_device_unregister(cdev); break; diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index dc27598785e5..ed38454228c6 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -4066,7 +4066,6 @@ megasas_probe_one(struct pci_dev *pdev, const struct pci_device_id *id) spin_lock_init(&instance->cmd_pool_lock); spin_lock_init(&instance->hba_lock); spin_lock_init(&instance->completion_lock); - spin_lock_init(&poll_aen_lock); mutex_init(&instance->aen_mutex); mutex_init(&instance->reset_mutex); @@ -5392,6 +5391,8 @@ static int __init megasas_init(void) printk(KERN_INFO "megasas: %s %s\n", MEGASAS_VERSION, MEGASAS_EXT_VERSION); + spin_lock_init(&poll_aen_lock); + support_poll_for_event = 2; support_device_change = 1; diff --git a/drivers/scsi/mpt2sas/mpt2sas_base.c b/drivers/scsi/mpt2sas/mpt2sas_base.c index 9d46fcbe7755..b25757d1e91b 100644 --- a/drivers/scsi/mpt2sas/mpt2sas_base.c +++ b/drivers/scsi/mpt2sas/mpt2sas_base.c @@ -2424,10 +2424,13 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) } /* command line tunables for max controller queue depth */ - if (max_queue_depth != -1) - max_request_credit = (max_queue_depth < facts->RequestCredit) - ? max_queue_depth : facts->RequestCredit; - else + if (max_queue_depth != -1 && max_queue_depth != 0) { + max_request_credit = min_t(u16, max_queue_depth + + ioc->hi_priority_depth + ioc->internal_depth, + facts->RequestCredit); + if (max_request_credit > MAX_HBA_QUEUE_DEPTH) + max_request_credit = MAX_HBA_QUEUE_DEPTH; + } else max_request_credit = min_t(u16, facts->RequestCredit, MAX_HBA_QUEUE_DEPTH); @@ -2502,7 +2505,7 @@ _base_allocate_memory_pools(struct MPT2SAS_ADAPTER *ioc, int sleep_flag) /* set the scsi host can_queue depth * with some internal commands that could be outstanding */ - ioc->shost->can_queue = ioc->scsiio_depth - (2); + ioc->shost->can_queue = ioc->scsiio_depth; dinitprintk(ioc, printk(MPT2SAS_INFO_FMT "scsi host: " "can_queue depth (%d)\n", ioc->name, ioc->shost->can_queue)); diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 4a6381c87253..de2337f255a7 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -42,6 +42,8 @@ #include <trace/events/scsi.h> +static void scsi_eh_done(struct scsi_cmnd *scmd); + #define SENSE_TIMEOUT (10*HZ) /* @@ -241,6 +243,14 @@ static int scsi_check_sense(struct scsi_cmnd *scmd) if (! scsi_command_normalize_sense(scmd, &sshdr)) return FAILED; /* no valid sense data */ + if (scmd->cmnd[0] == TEST_UNIT_READY && scmd->scsi_done != scsi_eh_done) + /* + * nasty: for mid-layer issued TURs, we need to return the + * actual sense data without any recovery attempt. For eh + * issued ones, we need to try to recover and interpret + */ + return SUCCESS; + if (scsi_sense_is_deferred(&sshdr)) return NEEDS_RETRY; diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c index ffd77739ae3e..faa790fba134 100644 --- a/drivers/scsi/scsi_lib.c +++ b/drivers/scsi/scsi_lib.c @@ -776,7 +776,6 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) } if (req->cmd_type == REQ_TYPE_BLOCK_PC) { /* SG_IO ioctl from block level */ - req->errors = result; if (result) { if (sense_valid && req->sense) { /* @@ -792,6 +791,10 @@ void scsi_io_completion(struct scsi_cmnd *cmd, unsigned int good_bytes) if (!sense_deferred) error = __scsi_error_from_host_byte(cmd, result); } + /* + * __scsi_error_from_host_byte may have reset the host_byte + */ + req->errors = cmd->result; req->resid_len = scsi_get_resid(cmd); diff --git a/drivers/scsi/scsi_scan.c b/drivers/scsi/scsi_scan.c index 56a93794c470..d947ffc20ceb 100644 --- a/drivers/scsi/scsi_scan.c +++ b/drivers/scsi/scsi_scan.c @@ -764,6 +764,16 @@ static int scsi_add_lun(struct scsi_device *sdev, unsigned char *inq_result, sdev->model = (char *) (sdev->inquiry + 16); sdev->rev = (char *) (sdev->inquiry + 32); + if (strncmp(sdev->vendor, "ATA ", 8) == 0) { + /* + * sata emulation layer device. This is a hack to work around + * the SATL power management specifications which state that + * when the SATL detects the device has gone into standby + * mode, it shall respond with NOT READY. + */ + sdev->allow_restart = 1; + } + if (*bflags & BLIST_ISROM) { sdev->type = TYPE_ROM; sdev->removable = 1; diff --git a/drivers/sh/intc/core.c b/drivers/sh/intc/core.c index 32c26d795ed0..8f32a1323a79 100644 --- a/drivers/sh/intc/core.c +++ b/drivers/sh/intc/core.c @@ -355,7 +355,7 @@ int __init register_intc_controller(struct intc_desc *desc) if (unlikely(res)) { if (res == -EEXIST) { res = irq_domain_associate(d->domain, - irq, irq); + irq2, irq2); if (unlikely(res)) { pr_err("domain association " "failure\n"); diff --git a/drivers/sh/pfc/pinctrl.c b/drivers/sh/pfc/pinctrl.c index 2804eaae804e..a3ac39b79192 100644 --- a/drivers/sh/pfc/pinctrl.c +++ b/drivers/sh/pfc/pinctrl.c @@ -211,7 +211,8 @@ static int sh_pfc_gpio_request_enable(struct pinctrl_dev *pctldev, break; default: pr_err("Unsupported mux type (%d), bailing...\n", pinmux_type); - return -ENOTSUPP; + ret = -ENOTSUPP; + goto err; } ret = 0; diff --git a/drivers/staging/android/android_alarm.h b/drivers/staging/android/android_alarm.h index d0cafd637199..f2ffd963f1c3 100644 --- a/drivers/staging/android/android_alarm.h +++ b/drivers/staging/android/android_alarm.h @@ -51,10 +51,12 @@ enum android_alarm_return_flags { #define ANDROID_ALARM_WAIT _IO('a', 1) #define ALARM_IOW(c, type, size) _IOW('a', (c) | ((type) << 4), size) +#define ALARM_IOR(c, type, size) _IOR('a', (c) | ((type) << 4), size) + /* Set alarm */ #define ANDROID_ALARM_SET(type) ALARM_IOW(2, type, struct timespec) #define ANDROID_ALARM_SET_AND_WAIT(type) ALARM_IOW(3, type, struct timespec) -#define ANDROID_ALARM_GET_TIME(type) ALARM_IOW(4, type, struct timespec) +#define ANDROID_ALARM_GET_TIME(type) ALARM_IOR(4, type, struct timespec) #define ANDROID_ALARM_SET_RTC _IOW('a', 5, struct timespec) #define ANDROID_ALARM_BASE_CMD(cmd) (cmd & ~(_IOC(0, 0, 0xf0, 0))) #define ANDROID_ALARM_IOCTL_TO_TYPE(cmd) (_IOC_NR(cmd) >> 4) diff --git a/drivers/staging/comedi/drivers/amplc_dio200.c b/drivers/staging/comedi/drivers/amplc_dio200.c index 6c81e377262c..cc8931fde839 100644 --- a/drivers/staging/comedi/drivers/amplc_dio200.c +++ b/drivers/staging/comedi/drivers/amplc_dio200.c @@ -1412,6 +1412,13 @@ static int __devinit dio200_attach_pci(struct comedi_device *dev, dev_err(dev->class_dev, "BUG! cannot determine board type!\n"); return -EINVAL; } + /* + * Need to 'get' the PCI device to match the 'put' in dio200_detach(). + * TODO: Remove the pci_dev_get() and matching pci_dev_put() once + * support for manual attachment of PCI devices via dio200_attach() + * has been removed. + */ + pci_dev_get(pci_dev); return dio200_pci_common_attach(dev, pci_dev); } diff --git a/drivers/staging/comedi/drivers/amplc_pc236.c b/drivers/staging/comedi/drivers/amplc_pc236.c index aabba9886b7d..f50287903038 100644 --- a/drivers/staging/comedi/drivers/amplc_pc236.c +++ b/drivers/staging/comedi/drivers/amplc_pc236.c @@ -565,6 +565,13 @@ static int __devinit pc236_attach_pci(struct comedi_device *dev, dev_err(dev->class_dev, "BUG! cannot determine board type!\n"); return -EINVAL; } + /* + * Need to 'get' the PCI device to match the 'put' in pc236_detach(). + * TODO: Remove the pci_dev_get() and matching pci_dev_put() once + * support for manual attachment of PCI devices via pc236_attach() + * has been removed. + */ + pci_dev_get(pci_dev); return pc236_pci_common_attach(dev, pci_dev); } diff --git a/drivers/staging/comedi/drivers/amplc_pc263.c b/drivers/staging/comedi/drivers/amplc_pc263.c index 40ec1ffebba6..8191c4e28e0a 100644 --- a/drivers/staging/comedi/drivers/amplc_pc263.c +++ b/drivers/staging/comedi/drivers/amplc_pc263.c @@ -298,6 +298,13 @@ static int __devinit pc263_attach_pci(struct comedi_device *dev, dev_err(dev->class_dev, "BUG! cannot determine board type!\n"); return -EINVAL; } + /* + * Need to 'get' the PCI device to match the 'put' in pc263_detach(). + * TODO: Remove the pci_dev_get() and matching pci_dev_put() once + * support for manual attachment of PCI devices via pc263_attach() + * has been removed. + */ + pci_dev_get(pci_dev); return pc263_pci_common_attach(dev, pci_dev); } diff --git a/drivers/staging/comedi/drivers/amplc_pci224.c b/drivers/staging/comedi/drivers/amplc_pci224.c index 4e17f13e57f6..8bf109e7bb05 100644 --- a/drivers/staging/comedi/drivers/amplc_pci224.c +++ b/drivers/staging/comedi/drivers/amplc_pci224.c @@ -1503,6 +1503,13 @@ pci224_attach_pci(struct comedi_device *dev, struct pci_dev *pci_dev) DRIVER_NAME ": BUG! cannot determine board type!\n"); return -EINVAL; } + /* + * Need to 'get' the PCI device to match the 'put' in pci224_detach(). + * TODO: Remove the pci_dev_get() and matching pci_dev_put() once + * support for manual attachment of PCI devices via pci224_attach() + * has been removed. + */ + pci_dev_get(pci_dev); return pci224_attach_common(dev, pci_dev, NULL); } diff --git a/drivers/staging/comedi/drivers/amplc_pci230.c b/drivers/staging/comedi/drivers/amplc_pci230.c index 1b67d0c61fa7..66e74bd12267 100644 --- a/drivers/staging/comedi/drivers/amplc_pci230.c +++ b/drivers/staging/comedi/drivers/amplc_pci230.c @@ -2925,6 +2925,13 @@ static int __devinit pci230_attach_pci(struct comedi_device *dev, "amplc_pci230: BUG! cannot determine board type!\n"); return -EINVAL; } + /* + * Need to 'get' the PCI device to match the 'put' in pci230_detach(). + * TODO: Remove the pci_dev_get() and matching pci_dev_put() once + * support for manual attachment of PCI devices via pci230_attach() + * has been removed. + */ + pci_dev_get(pci_dev); return pci230_attach_common(dev, pci_dev); } diff --git a/drivers/staging/comedi/drivers/das08.c b/drivers/staging/comedi/drivers/das08.c index 874e02e47668..67a914a10b55 100644 --- a/drivers/staging/comedi/drivers/das08.c +++ b/drivers/staging/comedi/drivers/das08.c @@ -378,7 +378,7 @@ das08jr_ao_winsn(struct comedi_device *dev, struct comedi_subdevice *s, int chan; lsb = data[0] & 0xff; - msb = (data[0] >> 8) & 0xf; + msb = (data[0] >> 8) & 0xff; chan = CR_CHAN(insn->chanspec); @@ -623,7 +623,7 @@ static const struct das08_board_struct das08_boards[] = { .ai = das08_ai_rinsn, .ai_nbits = 16, .ai_pg = das08_pg_none, - .ai_encoding = das08_encode12, + .ai_encoding = das08_encode16, .ao = das08jr_ao_winsn, .ao_nbits = 16, .di = das08jr_di_rbits, @@ -922,6 +922,13 @@ das08_attach_pci(struct comedi_device *dev, struct pci_dev *pdev) dev_err(dev->class_dev, "BUG! cannot determine board type!\n"); return -EINVAL; } + /* + * Need to 'get' the PCI device to match the 'put' in das08_detach(). + * TODO: Remove the pci_dev_get() and matching pci_dev_put() once + * support for manual attachment of PCI devices via das08_attach() + * has been removed. + */ + pci_dev_get(pdev); return das08_pci_attach_common(dev, pdev); } diff --git a/drivers/staging/iio/accel/lis3l02dq_ring.c b/drivers/staging/iio/accel/lis3l02dq_ring.c index 18d108fd967a..f3da59063ed2 100644 --- a/drivers/staging/iio/accel/lis3l02dq_ring.c +++ b/drivers/staging/iio/accel/lis3l02dq_ring.c @@ -121,8 +121,10 @@ static int lis3l02dq_get_buffer_element(struct iio_dev *indio_dev, if (rx_array == NULL) return -ENOMEM; ret = lis3l02dq_read_all(indio_dev, rx_array); - if (ret < 0) + if (ret < 0) { + kfree(rx_array); return ret; + } for (i = 0; i < scan_count; i++) data[i] = combine_8_to_16(rx_array[i*4+1], rx_array[i*4+3]); diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c index 095837285f4f..19a064d649e3 100644 --- a/drivers/staging/iio/adc/ad7192.c +++ b/drivers/staging/iio/adc/ad7192.c @@ -647,6 +647,8 @@ static ssize_t ad7192_write_frequency(struct device *dev, ret = strict_strtoul(buf, 10, &lval); if (ret) return ret; + if (lval == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); if (iio_buffer_enabled(indio_dev)) { diff --git a/drivers/staging/iio/gyro/adis16260_core.c b/drivers/staging/iio/gyro/adis16260_core.c index 93aa431287ac..eb8e9d69efd3 100644 --- a/drivers/staging/iio/gyro/adis16260_core.c +++ b/drivers/staging/iio/gyro/adis16260_core.c @@ -195,6 +195,8 @@ static ssize_t adis16260_write_frequency(struct device *dev, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); if (spi_get_device_id(st->us)) { diff --git a/drivers/staging/iio/imu/adis16400_core.c b/drivers/staging/iio/imu/adis16400_core.c index 1f4c17779b5a..a618327e06ed 100644 --- a/drivers/staging/iio/imu/adis16400_core.c +++ b/drivers/staging/iio/imu/adis16400_core.c @@ -234,6 +234,8 @@ static ssize_t adis16400_write_frequency(struct device *dev, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); diff --git a/drivers/staging/iio/meter/ade7753.c b/drivers/staging/iio/meter/ade7753.c index f04ece7fbc2f..3ccff189f258 100644 --- a/drivers/staging/iio/meter/ade7753.c +++ b/drivers/staging/iio/meter/ade7753.c @@ -425,6 +425,8 @@ static ssize_t ade7753_write_frequency(struct device *dev, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); diff --git a/drivers/staging/iio/meter/ade7754.c b/drivers/staging/iio/meter/ade7754.c index 6cee28a5e877..abb1e9c8d094 100644 --- a/drivers/staging/iio/meter/ade7754.c +++ b/drivers/staging/iio/meter/ade7754.c @@ -445,6 +445,8 @@ static ssize_t ade7754_write_frequency(struct device *dev, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); diff --git a/drivers/staging/iio/meter/ade7759.c b/drivers/staging/iio/meter/ade7759.c index b3f7e0fa9612..eb0a2a98f388 100644 --- a/drivers/staging/iio/meter/ade7759.c +++ b/drivers/staging/iio/meter/ade7759.c @@ -385,6 +385,8 @@ static ssize_t ade7759_write_frequency(struct device *dev, ret = strict_strtol(buf, 10, &val); if (ret) return ret; + if (val == 0) + return -EINVAL; mutex_lock(&indio_dev->mlock); diff --git a/drivers/staging/nvec/nvec.c b/drivers/staging/nvec/nvec.c index 695ea35f75b0..d0a7e408efe9 100644 --- a/drivers/staging/nvec/nvec.c +++ b/drivers/staging/nvec/nvec.c @@ -837,7 +837,7 @@ static int __devinit tegra_nvec_probe(struct platform_device *pdev) } ret = mfd_add_devices(nvec->dev, -1, nvec_devices, - ARRAY_SIZE(nvec_devices), base, 0); + ARRAY_SIZE(nvec_devices), base, 0, NULL); if (ret) dev_err(nvec->dev, "error adding subdevices\n"); diff --git a/drivers/staging/omapdrm/omap_connector.c b/drivers/staging/omapdrm/omap_connector.c index 5e2856c0e0bb..55e9c8655850 100644 --- a/drivers/staging/omapdrm/omap_connector.c +++ b/drivers/staging/omapdrm/omap_connector.c @@ -48,13 +48,20 @@ static inline void copy_timings_omap_to_drm(struct drm_display_mode *mode, mode->vsync_end = mode->vsync_start + timings->vsw; mode->vtotal = mode->vsync_end + timings->vbp; - /* note: whether or not it is interlaced, +/- h/vsync, etc, - * which should be set in the mode flags, is not exposed in - * the omap_video_timings struct.. but hdmi driver tracks - * those separately so all we have to have to set the mode - * is the way to recover these timings values, and the - * omap_dss_driver would do the rest. - */ + mode->flags = 0; + + if (timings->interlace) + mode->flags |= DRM_MODE_FLAG_INTERLACE; + + if (timings->hsync_level == OMAPDSS_SIG_ACTIVE_HIGH) + mode->flags |= DRM_MODE_FLAG_PHSYNC; + else + mode->flags |= DRM_MODE_FLAG_NHSYNC; + + if (timings->vsync_level == OMAPDSS_SIG_ACTIVE_HIGH) + mode->flags |= DRM_MODE_FLAG_PVSYNC; + else + mode->flags |= DRM_MODE_FLAG_NVSYNC; } static inline void copy_timings_drm_to_omap(struct omap_video_timings *timings, @@ -71,6 +78,22 @@ static inline void copy_timings_drm_to_omap(struct omap_video_timings *timings, timings->vfp = mode->vsync_start - mode->vdisplay; timings->vsw = mode->vsync_end - mode->vsync_start; timings->vbp = mode->vtotal - mode->vsync_end; + + timings->interlace = !!(mode->flags & DRM_MODE_FLAG_INTERLACE); + + if (mode->flags & DRM_MODE_FLAG_PHSYNC) + timings->hsync_level = OMAPDSS_SIG_ACTIVE_HIGH; + else + timings->hsync_level = OMAPDSS_SIG_ACTIVE_LOW; + + if (mode->flags & DRM_MODE_FLAG_PVSYNC) + timings->vsync_level = OMAPDSS_SIG_ACTIVE_HIGH; + else + timings->vsync_level = OMAPDSS_SIG_ACTIVE_LOW; + + timings->data_pclk_edge = OMAPDSS_DRIVE_SIG_RISING_EDGE; + timings->de_level = OMAPDSS_SIG_ACTIVE_HIGH; + timings->sync_pclk_edge = OMAPDSS_DRIVE_SIG_OPPOSITE_EDGES; } static void omap_connector_dpms(struct drm_connector *connector, int mode) @@ -187,7 +210,7 @@ static int omap_connector_get_modes(struct drm_connector *connector) } } else { struct drm_display_mode *mode = drm_mode_create(dev); - struct omap_video_timings timings; + struct omap_video_timings timings = {0}; dssdrv->get_timings(dssdev, &timings); @@ -291,7 +314,7 @@ void omap_connector_mode_set(struct drm_connector *connector, struct omap_connector *omap_connector = to_omap_connector(connector); struct omap_dss_device *dssdev = omap_connector->dssdev; struct omap_dss_driver *dssdrv = dssdev->driver; - struct omap_video_timings timings; + struct omap_video_timings timings = {0}; copy_timings_drm_to_omap(&timings, mode); diff --git a/drivers/staging/ozwpan/ozcdev.c b/drivers/staging/ozwpan/ozcdev.c index d98321945802..758ce0a8d82e 100644 --- a/drivers/staging/ozwpan/ozcdev.c +++ b/drivers/staging/ozwpan/ozcdev.c @@ -8,6 +8,7 @@ #include <linux/cdev.h> #include <linux/uaccess.h> #include <linux/netdevice.h> +#include <linux/etherdevice.h> #include <linux/poll.h> #include <linux/sched.h> #include "ozconfig.h" @@ -213,7 +214,7 @@ static int oz_set_active_pd(u8 *addr) if (old_pd) oz_pd_put(old_pd); } else { - if (!memcmp(addr, "\0\0\0\0\0\0", sizeof(addr))) { + if (is_zero_ether_addr(addr)) { spin_lock_bh(&g_cdev.lock); pd = g_cdev.active_pd; g_cdev.active_pd = 0; diff --git a/drivers/staging/rtl8712/recv_linux.c b/drivers/staging/rtl8712/recv_linux.c index 0e26d5f6cf2d..495ee1205e02 100644 --- a/drivers/staging/rtl8712/recv_linux.c +++ b/drivers/staging/rtl8712/recv_linux.c @@ -117,13 +117,8 @@ void r8712_recv_indicatepkt(struct _adapter *padapter, if (skb == NULL) goto _recv_indicatepkt_drop; skb->data = precv_frame->u.hdr.rx_data; -#ifdef NET_SKBUFF_DATA_USES_OFFSET - skb->tail = (sk_buff_data_t)(precv_frame->u.hdr.rx_tail - - precv_frame->u.hdr.rx_head); -#else - skb->tail = (sk_buff_data_t)precv_frame->u.hdr.rx_tail; -#endif skb->len = precv_frame->u.hdr.len; + skb_set_tail_pointer(skb, skb->len); if ((pattrib->tcpchk_valid == 1) && (pattrib->tcp_chkrpt == 1)) skb->ip_summed = CHECKSUM_UNNECESSARY; else diff --git a/drivers/staging/vt6656/dpc.c b/drivers/staging/vt6656/dpc.c index e4bdf2a2b582..3aa895ec6507 100644 --- a/drivers/staging/vt6656/dpc.c +++ b/drivers/staging/vt6656/dpc.c @@ -200,7 +200,7 @@ s_vProcessRxMACHeader ( } else if (!compare_ether_addr(pbyRxBuffer, &pDevice->abySNAP_RFC1042[0])) { cbHeaderSize += 6; pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); - if ((*pwType == cpu_to_le16(ETH_P_IPX)) || + if ((*pwType == cpu_to_be16(ETH_P_IPX)) || (*pwType == cpu_to_le16(0xF380))) { cbHeaderSize -= 8; pwType = (PWORD) (pbyRxBufferAddr + cbHeaderSize); diff --git a/drivers/staging/vt6656/rxtx.c b/drivers/staging/vt6656/rxtx.c index bb464527fc1b..b6e04e7b629b 100644 --- a/drivers/staging/vt6656/rxtx.c +++ b/drivers/staging/vt6656/rxtx.c @@ -1699,7 +1699,7 @@ s_bPacketToWirelessUsb( // 802.1H if (ntohs(psEthHeader->wType) > ETH_DATA_LEN) { if (pDevice->dwDiagRefCount == 0) { - if ((psEthHeader->wType == cpu_to_le16(ETH_P_IPX)) || + if ((psEthHeader->wType == cpu_to_be16(ETH_P_IPX)) || (psEthHeader->wType == cpu_to_le16(0xF380))) { memcpy((PBYTE) (pbyPayloadHead), abySNAP_Bridgetunnel, 6); @@ -2838,10 +2838,10 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) Packet_Type = skb->data[ETH_HLEN+1]; Descriptor_type = skb->data[ETH_HLEN+1+1+2]; Key_info = (skb->data[ETH_HLEN+1+1+2+1] << 8)|(skb->data[ETH_HLEN+1+1+2+2]); - if (pDevice->sTxEthHeader.wType == cpu_to_le16(ETH_P_PAE)) { - /* 802.1x OR eapol-key challenge frame transfer */ - if (((Protocol_Version == 1) || (Protocol_Version == 2)) && - (Packet_Type == 3)) { + if (pDevice->sTxEthHeader.wType == cpu_to_be16(ETH_P_PAE)) { + /* 802.1x OR eapol-key challenge frame transfer */ + if (((Protocol_Version == 1) || (Protocol_Version == 2)) && + (Packet_Type == 3)) { bTxeapol_key = TRUE; if(!(Key_info & BIT3) && //WPA or RSN group-key challenge (Key_info & BIT8) && (Key_info & BIT9)) { //send 2/2 key @@ -2987,19 +2987,19 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) } } - if (pDevice->sTxEthHeader.wType == cpu_to_le16(ETH_P_PAE)) { - if (pDevice->byBBType != BB_TYPE_11A) { - pDevice->wCurrentRate = RATE_1M; - pDevice->byACKRate = RATE_1M; - pDevice->byTopCCKBasicRate = RATE_1M; - pDevice->byTopOFDMBasicRate = RATE_6M; - } else { - pDevice->wCurrentRate = RATE_6M; - pDevice->byACKRate = RATE_6M; - pDevice->byTopCCKBasicRate = RATE_1M; - pDevice->byTopOFDMBasicRate = RATE_6M; - } - } + if (pDevice->sTxEthHeader.wType == cpu_to_be16(ETH_P_PAE)) { + if (pDevice->byBBType != BB_TYPE_11A) { + pDevice->wCurrentRate = RATE_1M; + pDevice->byACKRate = RATE_1M; + pDevice->byTopCCKBasicRate = RATE_1M; + pDevice->byTopOFDMBasicRate = RATE_6M; + } else { + pDevice->wCurrentRate = RATE_6M; + pDevice->byACKRate = RATE_6M; + pDevice->byTopCCKBasicRate = RATE_1M; + pDevice->byTopOFDMBasicRate = RATE_6M; + } + } DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO "dma_tx: pDevice->wCurrentRate = %d\n", @@ -3015,7 +3015,7 @@ int nsDMA_tx_packet(PSDevice pDevice, unsigned int uDMAIdx, struct sk_buff *skb) if (bNeedEncryption == TRUE) { DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"ntohs Pkt Type=%04x\n", ntohs(pDevice->sTxEthHeader.wType)); - if ((pDevice->sTxEthHeader.wType) == cpu_to_le16(ETH_P_PAE)) { + if ((pDevice->sTxEthHeader.wType) == cpu_to_be16(ETH_P_PAE)) { bNeedEncryption = FALSE; DBG_PRT(MSG_LEVEL_DEBUG, KERN_INFO"Pkt Type=%04x\n", (pDevice->sTxEthHeader.wType)); if ((pMgmt->eCurrMode == WMAC_MODE_ESS_STA) && (pMgmt->eCurrState == WMAC_STATE_ASSOC)) { diff --git a/drivers/staging/wlan-ng/cfg80211.c b/drivers/staging/wlan-ng/cfg80211.c index fabff4d650ef..0970127344e6 100644 --- a/drivers/staging/wlan-ng/cfg80211.c +++ b/drivers/staging/wlan-ng/cfg80211.c @@ -327,9 +327,9 @@ int prism2_get_station(struct wiphy *wiphy, struct net_device *dev, return result; } -int prism2_scan(struct wiphy *wiphy, struct net_device *dev, - struct cfg80211_scan_request *request) +int prism2_scan(struct wiphy *wiphy, struct cfg80211_scan_request *request) { + struct net_device *dev = request->wdev->netdev; struct prism2_wiphy_private *priv = wiphy_priv(wiphy); wlandevice_t *wlandev = dev->ml_priv; struct p80211msg_dot11req_scan msg1; diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c index c214977b4ab4..52b43b7b83d7 100644 --- a/drivers/staging/zcache/zcache-main.c +++ b/drivers/staging/zcache/zcache-main.c @@ -1251,13 +1251,12 @@ static int zcache_pampd_get_data_and_free(char *data, size_t *bufsize, bool raw, void *pampd, struct tmem_pool *pool, struct tmem_oid *oid, uint32_t index) { - int ret = 0; - BUG_ON(!is_ephemeral(pool)); - zbud_decompress((struct page *)(data), pampd); + if (zbud_decompress((struct page *)(data), pampd) < 0) + return -EINVAL; zbud_free_and_delist((struct zbud_hdr *)pampd); atomic_dec(&zcache_curr_eph_pampd_count); - return ret; + return 0; } /* diff --git a/drivers/target/iscsi/iscsi_target_login.c b/drivers/target/iscsi/iscsi_target_login.c index 0694d9b1bce6..6aba4395e8d8 100644 --- a/drivers/target/iscsi/iscsi_target_login.c +++ b/drivers/target/iscsi/iscsi_target_login.c @@ -221,6 +221,7 @@ static int iscsi_login_zero_tsih_s1( { struct iscsi_session *sess = NULL; struct iscsi_login_req *pdu = (struct iscsi_login_req *)buf; + int ret; sess = kzalloc(sizeof(struct iscsi_session), GFP_KERNEL); if (!sess) { @@ -257,9 +258,17 @@ static int iscsi_login_zero_tsih_s1( return -ENOMEM; } spin_lock(&sess_idr_lock); - idr_get_new(&sess_idr, NULL, &sess->session_index); + ret = idr_get_new(&sess_idr, NULL, &sess->session_index); spin_unlock(&sess_idr_lock); + if (ret < 0) { + pr_err("idr_get_new() for sess_idr failed\n"); + iscsit_tx_login_rsp(conn, ISCSI_STATUS_CLS_TARGET_ERR, + ISCSI_LOGIN_STATUS_NO_RESOURCES); + kfree(sess); + return -ENOMEM; + } + sess->creation_time = get_jiffies_64(); spin_lock_init(&sess->session_stats_lock); /* diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index 91799973081a..41641ba54828 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -218,6 +218,13 @@ int target_emulate_set_target_port_groups(struct se_cmd *cmd) cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; return -EINVAL; } + if (cmd->data_length < 4) { + pr_warn("SET TARGET PORT GROUPS parameter list length %u too" + " small\n", cmd->data_length); + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; + } + buf = transport_kmap_data_sg(cmd); /* diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index cf2c66f3c116..9fc9a6006ca0 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -669,6 +669,13 @@ int target_report_luns(struct se_cmd *se_cmd) unsigned char *buf; u32 lun_count = 0, offset = 8, i; + if (se_cmd->data_length < 16) { + pr_warn("REPORT LUNS allocation length %u too small\n", + se_cmd->data_length); + se_cmd->scsi_sense_reason = TCM_INVALID_CDB_FIELD; + return -EINVAL; + } + buf = transport_kmap_data_sg(se_cmd); if (!buf) return -ENOMEM; diff --git a/drivers/target/target_core_iblock.c b/drivers/target/target_core_iblock.c index 76db75e836ed..9ba495477fd2 100644 --- a/drivers/target/target_core_iblock.c +++ b/drivers/target/target_core_iblock.c @@ -325,17 +325,30 @@ static int iblock_execute_unmap(struct se_cmd *cmd) struct iblock_dev *ibd = dev->dev_ptr; unsigned char *buf, *ptr = NULL; sector_t lba; - int size = cmd->data_length; + int size; u32 range; int ret = 0; int dl, bd_dl; + if (cmd->data_length < 8) { + pr_warn("UNMAP parameter list length %u too small\n", + cmd->data_length); + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + return -EINVAL; + } + buf = transport_kmap_data_sg(cmd); dl = get_unaligned_be16(&buf[0]); bd_dl = get_unaligned_be16(&buf[2]); - size = min(size - 8, bd_dl); + size = cmd->data_length - 8; + if (bd_dl > size) + pr_warn("UNMAP parameter list length %u too small, ignoring bd_dl %u\n", + cmd->data_length, bd_dl); + else + size = bd_dl; + if (size / 16 > dev->se_sub_dev->se_dev_attrib.max_unmap_block_desc_count) { cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; ret = -EINVAL; diff --git a/drivers/target/target_core_pr.c b/drivers/target/target_core_pr.c index 1e946502c378..956c84c6b666 100644 --- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -1540,6 +1540,14 @@ static int core_scsi3_decode_spec_i_port( tidh_new->dest_local_nexus = 1; list_add_tail(&tidh_new->dest_list, &tid_dest_list); + if (cmd->data_length < 28) { + pr_warn("SPC-PR: Received PR OUT parameter list" + " length too small: %u\n", cmd->data_length); + cmd->scsi_sense_reason = TCM_INVALID_PARAMETER_LIST; + ret = -EINVAL; + goto out; + } + buf = transport_kmap_data_sg(cmd); /* * For a PERSISTENT RESERVE OUT specify initiator ports payload, diff --git a/drivers/target/target_core_pscsi.c b/drivers/target/target_core_pscsi.c index 5552fa7426bc..9d7ce3daa262 100644 --- a/drivers/target/target_core_pscsi.c +++ b/drivers/target/target_core_pscsi.c @@ -667,7 +667,8 @@ static void pscsi_free_device(void *p) kfree(pdv); } -static int pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg) +static void pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg, + unsigned char *sense_buffer) { struct pscsi_dev_virt *pdv = cmd->se_dev->dev_ptr; struct scsi_device *sd = pdv->pdv_sd; @@ -679,7 +680,7 @@ static int pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg) * not been allocated because TCM is handling the emulation directly. */ if (!pt) - return 0; + return; cdb = &pt->pscsi_cdb[0]; result = pt->pscsi_result; @@ -687,11 +688,11 @@ static int pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg) * Hack to make sure that Write-Protect modepage is set if R/O mode is * forced. */ + if (!cmd->se_deve || !cmd->data_length) + goto after_mode_sense; + if (((cdb[0] == MODE_SENSE) || (cdb[0] == MODE_SENSE_10)) && (status_byte(result) << 1) == SAM_STAT_GOOD) { - if (!cmd->se_deve) - goto after_mode_sense; - if (cmd->se_deve->lun_flags & TRANSPORT_LUNFLAGS_READ_ONLY) { unsigned char *buf = transport_kmap_data_sg(cmd); @@ -708,7 +709,7 @@ static int pscsi_transport_complete(struct se_cmd *cmd, struct scatterlist *sg) } after_mode_sense: - if (sd->type != TYPE_TAPE) + if (sd->type != TYPE_TAPE || !cmd->data_length) goto after_mode_select; /* @@ -750,10 +751,10 @@ after_mode_sense: } after_mode_select: - if (status_byte(result) & CHECK_CONDITION) - return 1; - - return 0; + if (sense_buffer && (status_byte(result) & CHECK_CONDITION)) { + memcpy(sense_buffer, pt->pscsi_sense, TRANSPORT_SENSE_BUFFER); + cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE; + } } enum { @@ -1184,13 +1185,6 @@ fail: return -ENOMEM; } -static unsigned char *pscsi_get_sense_buffer(struct se_cmd *cmd) -{ - struct pscsi_plugin_task *pt = cmd->priv; - - return pt->pscsi_sense; -} - /* pscsi_get_device_rev(): * * @@ -1273,7 +1267,6 @@ static struct se_subsystem_api pscsi_template = { .check_configfs_dev_params = pscsi_check_configfs_dev_params, .set_configfs_dev_params = pscsi_set_configfs_dev_params, .show_configfs_dev_params = pscsi_show_configfs_dev_params, - .get_sense_buffer = pscsi_get_sense_buffer, .get_device_rev = pscsi_get_device_rev, .get_device_type = pscsi_get_device_type, .get_blocks = pscsi_get_blocks, diff --git a/drivers/target/target_core_spc.c b/drivers/target/target_core_spc.c index 4c861de538c9..388a922c8f6d 100644 --- a/drivers/target/target_core_spc.c +++ b/drivers/target/target_core_spc.c @@ -877,9 +877,11 @@ static int spc_emulate_modesense(struct se_cmd *cmd) static int spc_emulate_request_sense(struct se_cmd *cmd) { unsigned char *cdb = cmd->t_task_cdb; - unsigned char *buf; + unsigned char *rbuf; u8 ua_asc = 0, ua_ascq = 0; - int err = 0; + unsigned char buf[SE_SENSE_BUF]; + + memset(buf, 0, SE_SENSE_BUF); if (cdb[1] & 0x01) { pr_err("REQUEST_SENSE description emulation not" @@ -888,20 +890,21 @@ static int spc_emulate_request_sense(struct se_cmd *cmd) return -ENOSYS; } - buf = transport_kmap_data_sg(cmd); - - if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) { + rbuf = transport_kmap_data_sg(cmd); + if (cmd->scsi_sense_reason != 0) { + /* + * Out of memory. We will fail with CHECK CONDITION, so + * we must not clear the unit attention condition. + */ + target_complete_cmd(cmd, CHECK_CONDITION); + return 0; + } else if (!core_scsi3_ua_clear_for_request_sense(cmd, &ua_asc, &ua_ascq)) { /* * CURRENT ERROR, UNIT ATTENTION */ buf[0] = 0x70; buf[SPC_SENSE_KEY_OFFSET] = UNIT_ATTENTION; - if (cmd->data_length < 18) { - buf[7] = 0x00; - err = -EINVAL; - goto end; - } /* * The Additional Sense Code (ASC) from the UNIT ATTENTION */ @@ -915,11 +918,6 @@ static int spc_emulate_request_sense(struct se_cmd *cmd) buf[0] = 0x70; buf[SPC_SENSE_KEY_OFFSET] = NO_SENSE; - if (cmd->data_length < 18) { - buf[7] = 0x00; - err = -EINVAL; - goto end; - } /* * NO ADDITIONAL SENSE INFORMATION */ @@ -927,8 +925,11 @@ static int spc_emulate_request_sense(struct se_cmd *cmd) buf[7] = 0x0A; } -end: - transport_kunmap_data_sg(cmd); + if (rbuf) { + memcpy(rbuf, buf, min_t(u32, sizeof(buf), cmd->data_length)); + transport_kunmap_data_sg(cmd); + } + target_complete_cmd(cmd, GOOD); return 0; } diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 4de3186dc44e..269f54488397 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -567,6 +567,34 @@ static void target_complete_failure_work(struct work_struct *work) transport_generic_request_failure(cmd); } +/* + * Used when asking transport to copy Sense Data from the underlying + * Linux/SCSI struct scsi_cmnd + */ +static unsigned char *transport_get_sense_buffer(struct se_cmd *cmd) +{ + unsigned char *buffer = cmd->sense_buffer; + struct se_device *dev = cmd->se_dev; + u32 offset = 0; + + WARN_ON(!cmd->se_lun); + + if (!dev) + return NULL; + + if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) + return NULL; + + offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER); + + /* Automatically padded */ + cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset; + + pr_debug("HBA_[%u]_PLUG[%s]: Requesting sense for SAM STATUS: 0x%02x\n", + dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status); + return &buffer[offset]; +} + void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) { struct se_device *dev = cmd->se_dev; @@ -580,11 +608,11 @@ void target_complete_cmd(struct se_cmd *cmd, u8 scsi_status) cmd->transport_state &= ~CMD_T_BUSY; if (dev && dev->transport->transport_complete) { - if (dev->transport->transport_complete(cmd, - cmd->t_data_sg) != 0) { - cmd->se_cmd_flags |= SCF_TRANSPORT_TASK_SENSE; + dev->transport->transport_complete(cmd, + cmd->t_data_sg, + transport_get_sense_buffer(cmd)); + if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) success = 1; - } } /* @@ -1181,15 +1209,20 @@ int target_cmd_size_check(struct se_cmd *cmd, unsigned int size) /* Returns CHECK_CONDITION + INVALID_CDB_FIELD */ goto out_invalid_cdb_field; } - + /* + * For the overflow case keep the existing fabric provided + * ->data_length. Otherwise for the underflow case, reset + * ->data_length to the smaller SCSI expected data transfer + * length. + */ if (size > cmd->data_length) { cmd->se_cmd_flags |= SCF_OVERFLOW_BIT; cmd->residual_count = (size - cmd->data_length); } else { cmd->se_cmd_flags |= SCF_UNDERFLOW_BIT; cmd->residual_count = (cmd->data_length - size); + cmd->data_length = size; } - cmd->data_length = size; } return 0; @@ -1816,61 +1849,6 @@ execute: EXPORT_SYMBOL(target_execute_cmd); /* - * Used to obtain Sense Data from underlying Linux/SCSI struct scsi_cmnd - */ -static int transport_get_sense_data(struct se_cmd *cmd) -{ - unsigned char *buffer = cmd->sense_buffer, *sense_buffer = NULL; - struct se_device *dev = cmd->se_dev; - unsigned long flags; - u32 offset = 0; - - WARN_ON(!cmd->se_lun); - - if (!dev) - return 0; - - spin_lock_irqsave(&cmd->t_state_lock, flags); - if (cmd->se_cmd_flags & SCF_SENT_CHECK_CONDITION) { - spin_unlock_irqrestore(&cmd->t_state_lock, flags); - return 0; - } - - if (!(cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE)) - goto out; - - if (!dev->transport->get_sense_buffer) { - pr_err("dev->transport->get_sense_buffer is NULL\n"); - goto out; - } - - sense_buffer = dev->transport->get_sense_buffer(cmd); - if (!sense_buffer) { - pr_err("ITT 0x%08x cmd %p: Unable to locate" - " sense buffer for task with sense\n", - cmd->se_tfo->get_task_tag(cmd), cmd); - goto out; - } - - spin_unlock_irqrestore(&cmd->t_state_lock, flags); - - offset = cmd->se_tfo->set_fabric_sense_len(cmd, TRANSPORT_SENSE_BUFFER); - - memcpy(&buffer[offset], sense_buffer, TRANSPORT_SENSE_BUFFER); - - /* Automatically padded */ - cmd->scsi_sense_length = TRANSPORT_SENSE_BUFFER + offset; - - pr_debug("HBA_[%u]_PLUG[%s]: Set SAM STATUS: 0x%02x and sense\n", - dev->se_hba->hba_id, dev->transport->name, cmd->scsi_status); - return 0; - -out: - spin_unlock_irqrestore(&cmd->t_state_lock, flags); - return -1; -} - -/* * Process all commands up to the last received ORDERED task attribute which * requires another blocking boundary */ @@ -1985,7 +1963,7 @@ static void transport_handle_queue_full( static void target_complete_ok_work(struct work_struct *work) { struct se_cmd *cmd = container_of(work, struct se_cmd, work); - int reason = 0, ret; + int ret; /* * Check if we need to move delayed/dormant tasks from cmds on the @@ -2002,23 +1980,19 @@ static void target_complete_ok_work(struct work_struct *work) schedule_work(&cmd->se_dev->qf_work_queue); /* - * Check if we need to retrieve a sense buffer from + * Check if we need to send a sense buffer from * the struct se_cmd in question. */ if (cmd->se_cmd_flags & SCF_TRANSPORT_TASK_SENSE) { - if (transport_get_sense_data(cmd) < 0) - reason = TCM_NON_EXISTENT_LUN; - - if (cmd->scsi_status) { - ret = transport_send_check_condition_and_sense( - cmd, reason, 1); - if (ret == -EAGAIN || ret == -ENOMEM) - goto queue_full; + WARN_ON(!cmd->scsi_status); + ret = transport_send_check_condition_and_sense( + cmd, 0, 1); + if (ret == -EAGAIN || ret == -ENOMEM) + goto queue_full; - transport_lun_remove_cmd(cmd); - transport_cmd_check_stop_to_fabric(cmd); - return; - } + transport_lun_remove_cmd(cmd); + transport_cmd_check_stop_to_fabric(cmd); + return; } /* * Check for a callback, used by amongst other things @@ -2216,7 +2190,6 @@ void *transport_kmap_data_sg(struct se_cmd *cmd) struct page **pages; int i; - BUG_ON(!sg); /* * We need to take into account a possible offset here for fabrics like * tcm_loop who may be using a contig buffer from the SCSI midlayer for @@ -2224,13 +2197,17 @@ void *transport_kmap_data_sg(struct se_cmd *cmd) */ if (!cmd->t_data_nents) return NULL; - else if (cmd->t_data_nents == 1) + + BUG_ON(!sg); + if (cmd->t_data_nents == 1) return kmap(sg_page(sg)) + sg->offset; /* >1 page. use vmap */ pages = kmalloc(sizeof(*pages) * cmd->t_data_nents, GFP_KERNEL); - if (!pages) + if (!pages) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; return NULL; + } /* convert sg[] to pages[] */ for_each_sg(cmd->t_data_sg, sg, cmd->t_data_nents, i) { @@ -2239,8 +2216,10 @@ void *transport_kmap_data_sg(struct se_cmd *cmd) cmd->t_data_vmap = vmap(pages, cmd->t_data_nents, VM_MAP, PAGE_KERNEL); kfree(pages); - if (!cmd->t_data_vmap) + if (!cmd->t_data_vmap) { + cmd->scsi_sense_reason = TCM_LOGICAL_UNIT_COMMUNICATION_FAILURE; return NULL; + } return cmd->t_data_vmap + cmd->t_data_sg[0].offset; } @@ -2326,19 +2305,14 @@ int transport_generic_new_cmd(struct se_cmd *cmd) * into the fabric for data transfers, go ahead and complete it right * away. */ - if (!cmd->data_length) { + if (!cmd->data_length && + cmd->t_task_cdb[0] != REQUEST_SENSE && + cmd->se_dev->transport->transport_type != TRANSPORT_PLUGIN_PHBA_PDEV) { spin_lock_irq(&cmd->t_state_lock); cmd->t_state = TRANSPORT_COMPLETE; cmd->transport_state |= CMD_T_ACTIVE; spin_unlock_irq(&cmd->t_state_lock); - if (cmd->t_task_cdb[0] == REQUEST_SENSE) { - u8 ua_asc = 0, ua_ascq = 0; - - core_scsi3_ua_clear_for_request_sense(cmd, - &ua_asc, &ua_ascq); - } - INIT_WORK(&cmd->work, target_complete_ok_work); queue_work(target_completion_wq, &cmd->work); return 0; diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c index d5c689d6217e..e309e8b0aaba 100644 --- a/drivers/tty/serial/imx.c +++ b/drivers/tty/serial/imx.c @@ -132,6 +132,7 @@ #define UCR4_OREN (1<<1) /* Receiver overrun interrupt enable */ #define UCR4_DREN (1<<0) /* Recv data ready interrupt enable */ #define UFCR_RXTL_SHF 0 /* Receiver trigger level shift */ +#define UFCR_DCEDTE (1<<6) /* DCE/DTE mode select */ #define UFCR_RFDIV (7<<7) /* Reference freq divider mask */ #define UFCR_RFDIV_REG(x) (((x) < 7 ? 6 - (x) : 6) << 7) #define UFCR_TXTL_SHF 10 /* Transmitter trigger level shift */ @@ -667,22 +668,11 @@ static void imx_break_ctl(struct uart_port *port, int break_state) static int imx_setup_ufcr(struct imx_port *sport, unsigned int mode) { unsigned int val; - unsigned int ufcr_rfdiv; - - /* set receiver / transmitter trigger level. - * RFDIV is set such way to satisfy requested uartclk value - */ - val = TXTL << 10 | RXTL; - ufcr_rfdiv = (clk_get_rate(sport->clk_per) + sport->port.uartclk / 2) - / sport->port.uartclk; - - if(!ufcr_rfdiv) - ufcr_rfdiv = 1; - - val |= UFCR_RFDIV_REG(ufcr_rfdiv); + /* set receiver / transmitter trigger level */ + val = readl(sport->port.membase + UFCR) & (UFCR_RFDIV | UFCR_DCEDTE); + val |= TXTL << UFCR_TXTL_SHF | RXTL; writel(val, sport->port.membase + UFCR); - return 0; } @@ -754,6 +744,7 @@ static int imx_startup(struct uart_port *port) } } + spin_lock_irqsave(&sport->port.lock, flags); /* * Finally, clear and enable interrupts */ @@ -807,7 +798,6 @@ static int imx_startup(struct uart_port *port) /* * Enable modem status interrupts */ - spin_lock_irqsave(&sport->port.lock,flags); imx_enable_ms(&sport->port); spin_unlock_irqrestore(&sport->port.lock,flags); @@ -837,10 +827,13 @@ static void imx_shutdown(struct uart_port *port) { struct imx_port *sport = (struct imx_port *)port; unsigned long temp; + unsigned long flags; + spin_lock_irqsave(&sport->port.lock, flags); temp = readl(sport->port.membase + UCR2); temp &= ~(UCR2_TXEN); writel(temp, sport->port.membase + UCR2); + spin_unlock_irqrestore(&sport->port.lock, flags); if (USE_IRDA(sport)) { struct imxuart_platform_data *pdata; @@ -869,12 +862,14 @@ static void imx_shutdown(struct uart_port *port) * Disable all interrupts, port and break condition. */ + spin_lock_irqsave(&sport->port.lock, flags); temp = readl(sport->port.membase + UCR1); temp &= ~(UCR1_TXMPTYEN | UCR1_RRDYEN | UCR1_RTSDEN | UCR1_UARTEN); if (USE_IRDA(sport)) temp &= ~(UCR1_IREN); writel(temp, sport->port.membase + UCR1); + spin_unlock_irqrestore(&sport->port.lock, flags); } static void @@ -1217,6 +1212,9 @@ imx_console_write(struct console *co, const char *s, unsigned int count) struct imx_port *sport = imx_ports[co->index]; struct imx_port_ucrs old_ucr; unsigned int ucr1; + unsigned long flags; + + spin_lock_irqsave(&sport->port.lock, flags); /* * First, save UCR1/2/3 and then disable interrupts @@ -1242,6 +1240,8 @@ imx_console_write(struct console *co, const char *s, unsigned int count) while (!(readl(sport->port.membase + USR2) & USR2_TXDC)); imx_port_ucrs_restore(&sport->port, &old_ucr); + + spin_unlock_irqrestore(&sport->port.lock, flags); } /* diff --git a/drivers/usb/chipidea/udc.c b/drivers/usb/chipidea/udc.c index c7a032a4f0c5..d214448b677e 100644 --- a/drivers/usb/chipidea/udc.c +++ b/drivers/usb/chipidea/udc.c @@ -78,8 +78,7 @@ static inline int ep_to_bit(struct ci13xxx *ci, int n) } /** - * hw_device_state: enables/disables interrupts & starts/stops device (execute - * without interruption) + * hw_device_state: enables/disables interrupts (execute without interruption) * @dma: 0 => disable, !0 => enable and set dma engine * * This function returns an error code @@ -91,9 +90,7 @@ static int hw_device_state(struct ci13xxx *ci, u32 dma) /* interrupt, error, port change, reset, sleep/suspend */ hw_write(ci, OP_USBINTR, ~0, USBi_UI|USBi_UEI|USBi_PCI|USBi_URI|USBi_SLI); - hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); } else { - hw_write(ci, OP_USBCMD, USBCMD_RS, 0); hw_write(ci, OP_USBINTR, ~0, 0); } return 0; @@ -774,10 +771,7 @@ __acquires(mEp->lock) { struct ci13xxx_req *mReq, *mReqTemp; struct ci13xxx_ep *mEpTemp = mEp; - int uninitialized_var(retval); - - if (list_empty(&mEp->qh.queue)) - return -EINVAL; + int retval = 0; list_for_each_entry_safe(mReq, mReqTemp, &mEp->qh.queue, queue) { @@ -1420,6 +1414,21 @@ static int ci13xxx_vbus_draw(struct usb_gadget *_gadget, unsigned mA) return -ENOTSUPP; } +/* Change Data+ pullup status + * this func is used by usb_gadget_connect/disconnet + */ +static int ci13xxx_pullup(struct usb_gadget *_gadget, int is_on) +{ + struct ci13xxx *ci = container_of(_gadget, struct ci13xxx, gadget); + + if (is_on) + hw_write(ci, OP_USBCMD, USBCMD_RS, USBCMD_RS); + else + hw_write(ci, OP_USBCMD, USBCMD_RS, 0); + + return 0; +} + static int ci13xxx_start(struct usb_gadget *gadget, struct usb_gadget_driver *driver); static int ci13xxx_stop(struct usb_gadget *gadget, @@ -1432,6 +1441,7 @@ static int ci13xxx_stop(struct usb_gadget *gadget, static const struct usb_gadget_ops usb_gadget_ops = { .vbus_session = ci13xxx_vbus_session, .wakeup = ci13xxx_wakeup, + .pullup = ci13xxx_pullup, .vbus_draw = ci13xxx_vbus_draw, .udc_start = ci13xxx_start, .udc_stop = ci13xxx_stop, @@ -1455,7 +1465,12 @@ static int init_eps(struct ci13xxx *ci) mEp->ep.name = mEp->name; mEp->ep.ops = &usb_ep_ops; - mEp->ep.maxpacket = CTRL_PAYLOAD_MAX; + /* + * for ep0: maxP defined in desc, for other + * eps, maxP is set by epautoconfig() called + * by gadget layer + */ + mEp->ep.maxpacket = (unsigned short)~0; INIT_LIST_HEAD(&mEp->qh.queue); mEp->qh.ptr = dma_pool_alloc(ci->qh_pool, GFP_KERNEL, @@ -1475,6 +1490,7 @@ static int init_eps(struct ci13xxx *ci) else ci->ep0in = mEp; + mEp->ep.maxpacket = CTRL_PAYLOAD_MAX; continue; } @@ -1484,6 +1500,17 @@ static int init_eps(struct ci13xxx *ci) return retval; } +static void destroy_eps(struct ci13xxx *ci) +{ + int i; + + for (i = 0; i < ci->hw_ep_max; i++) { + struct ci13xxx_ep *mEp = &ci->ci13xxx_ep[i]; + + dma_pool_free(ci->qh_pool, mEp->qh.ptr, mEp->qh.dma); + } +} + /** * ci13xxx_start: register a gadget driver * @gadget: our gadget @@ -1691,7 +1718,7 @@ static int udc_start(struct ci13xxx *ci) if (ci->platdata->flags & CI13XXX_REQUIRE_TRANSCEIVER) { if (ci->transceiver == NULL) { retval = -ENODEV; - goto free_pools; + goto destroy_eps; } } @@ -1729,7 +1756,7 @@ static int udc_start(struct ci13xxx *ci) remove_trans: if (!IS_ERR_OR_NULL(ci->transceiver)) { - otg_set_peripheral(ci->transceiver->otg, &ci->gadget); + otg_set_peripheral(ci->transceiver->otg, NULL); if (ci->global_phy) usb_put_phy(ci->transceiver); } @@ -1742,6 +1769,8 @@ unreg_device: put_transceiver: if (!IS_ERR_OR_NULL(ci->transceiver) && ci->global_phy) usb_put_phy(ci->transceiver); +destroy_eps: + destroy_eps(ci); free_pools: dma_pool_destroy(ci->td_pool); free_qh_pool: @@ -1756,18 +1785,12 @@ free_qh_pool: */ static void udc_stop(struct ci13xxx *ci) { - int i; - if (ci == NULL) return; usb_del_gadget_udc(&ci->gadget); - for (i = 0; i < ci->hw_ep_max; i++) { - struct ci13xxx_ep *mEp = &ci->ci13xxx_ep[i]; - - dma_pool_free(ci->qh_pool, mEp->qh.ptr, mEp->qh.dma); - } + destroy_eps(ci); dma_pool_destroy(ci->td_pool); dma_pool_destroy(ci->qh_pool); diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c index 65a55abb791f..5f0cb417b736 100644 --- a/drivers/usb/class/cdc-wdm.c +++ b/drivers/usb/class/cdc-wdm.c @@ -109,12 +109,14 @@ static struct usb_driver wdm_driver; /* return intfdata if we own the interface, else look up intf in the list */ static struct wdm_device *wdm_find_device(struct usb_interface *intf) { - struct wdm_device *desc = NULL; + struct wdm_device *desc; spin_lock(&wdm_device_list_lock); list_for_each_entry(desc, &wdm_device_list, device_list) if (desc->intf == intf) - break; + goto found; + desc = NULL; +found: spin_unlock(&wdm_device_list_lock); return desc; @@ -122,12 +124,14 @@ static struct wdm_device *wdm_find_device(struct usb_interface *intf) static struct wdm_device *wdm_find_device_by_minor(int minor) { - struct wdm_device *desc = NULL; + struct wdm_device *desc; spin_lock(&wdm_device_list_lock); list_for_each_entry(desc, &wdm_device_list, device_list) if (desc->intf->minor == minor) - break; + goto found; + desc = NULL; +found: spin_unlock(&wdm_device_list_lock); return desc; diff --git a/drivers/usb/core/quirks.c b/drivers/usb/core/quirks.c index f15501f4c585..e77a8e8eaa23 100644 --- a/drivers/usb/core/quirks.c +++ b/drivers/usb/core/quirks.c @@ -71,6 +71,10 @@ static const struct usb_device_id usb_quirk_list[] = { { USB_DEVICE(0x04b4, 0x0526), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, + /* Microchip Joss Optical infrared touchboard device */ + { USB_DEVICE(0x04d8, 0x000c), .driver_info = + USB_QUIRK_CONFIG_INTF_STRINGS }, + /* Samsung Android phone modem - ID conflict with SPH-I500 */ { USB_DEVICE(0x04e8, 0x6601), .driver_info = USB_QUIRK_CONFIG_INTF_STRINGS }, diff --git a/drivers/usb/dwc3/core.c b/drivers/usb/dwc3/core.c index c34452a7304f..a68ff53124dc 100644 --- a/drivers/usb/dwc3/core.c +++ b/drivers/usb/dwc3/core.c @@ -436,16 +436,21 @@ static int __devinit dwc3_probe(struct platform_device *pdev) dev_err(dev, "missing IRQ\n"); return -ENODEV; } - dwc->xhci_resources[1] = *res; + dwc->xhci_resources[1].start = res->start; + dwc->xhci_resources[1].end = res->end; + dwc->xhci_resources[1].flags = res->flags; + dwc->xhci_resources[1].name = res->name; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (!res) { dev_err(dev, "missing memory resource\n"); return -ENODEV; } - dwc->xhci_resources[0] = *res; + dwc->xhci_resources[0].start = res->start; dwc->xhci_resources[0].end = dwc->xhci_resources[0].start + DWC3_XHCI_REGS_END; + dwc->xhci_resources[0].flags = res->flags; + dwc->xhci_resources[0].name = res->name; /* * Request memory region but exclude xHCI regs, diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index 9b94886b66e5..e4d5ca86b9da 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -720,7 +720,6 @@ static void dwc3_ep0_complete_data(struct dwc3 *dwc, transferred = min_t(u32, ur->length, transfer_size - length); memcpy(ur->buf, dwc->ep0_bounce, transferred); - dwc->ep0_bounced = false; } else { transferred = ur->length - length; } diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c index 58fdfad96b4d..c2813c2b005a 100644 --- a/drivers/usb/dwc3/gadget.c +++ b/drivers/usb/dwc3/gadget.c @@ -263,8 +263,11 @@ void dwc3_gadget_giveback(struct dwc3_ep *dep, struct dwc3_request *req, if (req->request.status == -EINPROGRESS) req->request.status = status; - usb_gadget_unmap_request(&dwc->gadget, &req->request, - req->direction); + if (dwc->ep0_bounced && dep->number == 0) + dwc->ep0_bounced = false; + else + usb_gadget_unmap_request(&dwc->gadget, &req->request, + req->direction); dev_dbg(dwc->dev, "request %p from %s completed %d/%d ===> %d\n", req, dep->name, req->request.actual, @@ -1026,6 +1029,7 @@ static void __dwc3_gadget_start_isoc(struct dwc3 *dwc, if (list_empty(&dep->request_list)) { dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n", dep->name); + dep->flags |= DWC3_EP_PENDING_REQUEST; return; } @@ -1089,6 +1093,17 @@ static int __dwc3_gadget_ep_queue(struct dwc3_ep *dep, struct dwc3_request *req) if (dep->flags & DWC3_EP_PENDING_REQUEST) { int ret; + /* + * If xfernotready is already elapsed and it is a case + * of isoc transfer, then issue END TRANSFER, so that + * you can receive xfernotready again and can have + * notion of current microframe. + */ + if (usb_endpoint_xfer_isoc(dep->endpoint.desc)) { + dwc3_stop_active_transfer(dwc, dep->number); + return 0; + } + ret = __dwc3_gadget_kick_transfer(dep, 0, true); if (ret && ret != -EBUSY) { struct dwc3 *dwc = dep->dwc; diff --git a/drivers/usb/gadget/at91_udc.c b/drivers/usb/gadget/at91_udc.c index c9e66dfb02e6..1e35963bd4ed 100644 --- a/drivers/usb/gadget/at91_udc.c +++ b/drivers/usb/gadget/at91_udc.c @@ -475,8 +475,7 @@ static int at91_ep_enable(struct usb_ep *_ep, unsigned long flags; if (!_ep || !ep - || !desc || ep->ep.desc - || _ep->name == ep0name + || !desc || _ep->name == ep0name || desc->bDescriptorType != USB_DT_ENDPOINT || (maxpacket = usb_endpoint_maxp(desc)) == 0 || maxpacket > ep->maxpacket) { @@ -530,7 +529,6 @@ ok: tmp |= AT91_UDP_EPEDS; __raw_writel(tmp, ep->creg); - ep->ep.desc = desc; ep->ep.maxpacket = maxpacket; /* @@ -1635,7 +1633,6 @@ static int at91_start(struct usb_gadget *gadget, udc->driver = driver; udc->gadget.dev.driver = &driver->driver; udc->gadget.dev.of_node = udc->pdev->dev.of_node; - dev_set_drvdata(&udc->gadget.dev, &driver->driver); udc->enabled = 1; udc->selfpowered = 1; @@ -1656,7 +1653,6 @@ static int at91_stop(struct usb_gadget *gadget, spin_unlock_irqrestore(&udc->lock, flags); udc->gadget.dev.driver = NULL; - dev_set_drvdata(&udc->gadget.dev, NULL); udc->driver = NULL; DBG("unbound from %s\n", driver->driver.name); diff --git a/drivers/usb/gadget/dummy_hcd.c b/drivers/usb/gadget/dummy_hcd.c index b799106027ad..afdbb1cbf5d9 100644 --- a/drivers/usb/gadget/dummy_hcd.c +++ b/drivers/usb/gadget/dummy_hcd.c @@ -1916,6 +1916,27 @@ done: return retval; } +/* usb 3.0 root hub device descriptor */ +struct { + struct usb_bos_descriptor bos; + struct usb_ss_cap_descriptor ss_cap; +} __packed usb3_bos_desc = { + + .bos = { + .bLength = USB_DT_BOS_SIZE, + .bDescriptorType = USB_DT_BOS, + .wTotalLength = cpu_to_le16(sizeof(usb3_bos_desc)), + .bNumDeviceCaps = 1, + }, + .ss_cap = { + .bLength = USB_DT_USB_SS_CAP_SIZE, + .bDescriptorType = USB_DT_DEVICE_CAPABILITY, + .bDevCapabilityType = USB_SS_CAP_TYPE, + .wSpeedSupported = cpu_to_le16(USB_5GBPS_OPERATION), + .bFunctionalitySupport = ilog2(USB_5GBPS_OPERATION), + }, +}; + static inline void ss_hub_descriptor(struct usb_hub_descriptor *desc) { @@ -2006,6 +2027,18 @@ static int dummy_hub_control( else hub_descriptor((struct usb_hub_descriptor *) buf); break; + + case DeviceRequest | USB_REQ_GET_DESCRIPTOR: + if (hcd->speed != HCD_USB3) + goto error; + + if ((wValue >> 8) != USB_DT_BOS) + goto error; + + memcpy(buf, &usb3_bos_desc, sizeof(usb3_bos_desc)); + retval = sizeof(usb3_bos_desc); + break; + case GetHubStatus: *(__le32 *) buf = cpu_to_le32(0); break; @@ -2503,10 +2536,8 @@ static int dummy_hcd_probe(struct platform_device *pdev) hs_hcd->has_tt = 1; retval = usb_add_hcd(hs_hcd, 0, 0); - if (retval != 0) { - usb_put_hcd(hs_hcd); - return retval; - } + if (retval) + goto put_usb2_hcd; if (mod_data.is_super_speed) { ss_hcd = usb_create_shared_hcd(&dummy_hcd, &pdev->dev, @@ -2525,6 +2556,8 @@ static int dummy_hcd_probe(struct platform_device *pdev) put_usb3_hcd: usb_put_hcd(ss_hcd); dealloc_usb2_hcd: + usb_remove_hcd(hs_hcd); +put_usb2_hcd: usb_put_hcd(hs_hcd); the_controller.hs_hcd = the_controller.ss_hcd = NULL; return retval; diff --git a/drivers/usb/gadget/f_fs.c b/drivers/usb/gadget/f_fs.c index 8adc79d1b402..829aba75a6df 100644 --- a/drivers/usb/gadget/f_fs.c +++ b/drivers/usb/gadget/f_fs.c @@ -34,11 +34,15 @@ /* Debugging ****************************************************************/ #ifdef VERBOSE_DEBUG +#ifndef pr_vdebug # define pr_vdebug pr_debug +#endif /* pr_vdebug */ # define ffs_dump_mem(prefix, ptr, len) \ print_hex_dump_bytes(pr_fmt(prefix ": "), DUMP_PREFIX_NONE, ptr, len) #else +#ifndef pr_vdebug # define pr_vdebug(...) do { } while (0) +#endif /* pr_vdebug */ # define ffs_dump_mem(prefix, ptr, len) do { } while (0) #endif /* VERBOSE_DEBUG */ diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c index b13e0bb5f5b8..0bb617e1dda2 100644 --- a/drivers/usb/gadget/s3c-hsotg.c +++ b/drivers/usb/gadget/s3c-hsotg.c @@ -3599,6 +3599,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) if (hsotg->num_of_eps == 0) { dev_err(dev, "wrong number of EPs (zero)\n"); + ret = -EINVAL; goto err_supplies; } @@ -3606,6 +3607,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) GFP_KERNEL); if (!eps) { dev_err(dev, "cannot get memory\n"); + ret = -ENOMEM; goto err_supplies; } @@ -3622,6 +3624,7 @@ static int __devinit s3c_hsotg_probe(struct platform_device *pdev) GFP_KERNEL); if (!hsotg->ctrl_req) { dev_err(dev, "failed to allocate ctrl req\n"); + ret = -ENOMEM; goto err_ep_mem; } diff --git a/drivers/usb/gadget/u_serial.c b/drivers/usb/gadget/u_serial.c index 5b3f5fffea92..da6d479ff9a6 100644 --- a/drivers/usb/gadget/u_serial.c +++ b/drivers/usb/gadget/u_serial.c @@ -132,11 +132,15 @@ static unsigned n_ports; #ifdef VERBOSE_DEBUG +#ifndef pr_vdebug #define pr_vdebug(fmt, arg...) \ pr_debug(fmt, ##arg) +#endif /* pr_vdebug */ #else +#ifndef pr_vdebig #define pr_vdebug(fmt, arg...) \ ({ if (0) pr_debug(fmt, ##arg); }) +#endif /* pr_vdebug */ #endif /*-------------------------------------------------------------------------*/ diff --git a/drivers/usb/host/ehci-q.c b/drivers/usb/host/ehci-q.c index 9bc39ca460c8..4b66374bdc8e 100644 --- a/drivers/usb/host/ehci-q.c +++ b/drivers/usb/host/ehci-q.c @@ -128,9 +128,17 @@ qh_refresh (struct ehci_hcd *ehci, struct ehci_qh *qh) else { qtd = list_entry (qh->qtd_list.next, struct ehci_qtd, qtd_list); - /* first qtd may already be partially processed */ - if (cpu_to_hc32(ehci, qtd->qtd_dma) == qh->hw->hw_current) + /* + * first qtd may already be partially processed. + * If we come here during unlink, the QH overlay region + * might have reference to the just unlinked qtd. The + * qtd is updated in qh_completions(). Update the QH + * overlay here. + */ + if (cpu_to_hc32(ehci, qtd->qtd_dma) == qh->hw->hw_current) { + qh->hw->hw_qtd_next = qtd->hw_next; qtd = NULL; + } } if (qtd) diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c index a665b3eaa746..aaa8d2bce217 100644 --- a/drivers/usb/host/ohci-at91.c +++ b/drivers/usb/host/ohci-at91.c @@ -570,6 +570,16 @@ static int __devinit ohci_hcd_at91_drv_probe(struct platform_device *pdev) if (pdata) { at91_for_each_port(i) { + /* + * do not configure PIO if not in relation with + * real USB port on board + */ + if (i >= pdata->ports) { + pdata->vbus_pin[i] = -EINVAL; + pdata->overcurrent_pin[i] = -EINVAL; + break; + } + if (!gpio_is_valid(pdata->vbus_pin[i])) continue; gpio = pdata->vbus_pin[i]; diff --git a/drivers/usb/host/pci-quirks.c b/drivers/usb/host/pci-quirks.c index c5e9e4a76f14..966d1484ee79 100644 --- a/drivers/usb/host/pci-quirks.c +++ b/drivers/usb/host/pci-quirks.c @@ -75,7 +75,9 @@ #define NB_PIF0_PWRDOWN_1 0x01100013 #define USB_INTEL_XUSB2PR 0xD0 +#define USB_INTEL_USB2PRM 0xD4 #define USB_INTEL_USB3_PSSEN 0xD8 +#define USB_INTEL_USB3PRM 0xDC static struct amd_chipset_info { struct pci_dev *nb_dev; @@ -772,10 +774,18 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) return; } - ports_available = 0xffffffff; + /* Read USB3PRM, the USB 3.0 Port Routing Mask Register + * Indicate the ports that can be changed from OS. + */ + pci_read_config_dword(xhci_pdev, USB_INTEL_USB3PRM, + &ports_available); + + dev_dbg(&xhci_pdev->dev, "Configurable ports to enable SuperSpeed: 0x%x\n", + ports_available); + /* Write USB3_PSSEN, the USB 3.0 Port SuperSpeed Enable - * Register, to turn on SuperSpeed terminations for all - * available ports. + * Register, to turn on SuperSpeed terminations for the + * switchable ports. */ pci_write_config_dword(xhci_pdev, USB_INTEL_USB3_PSSEN, cpu_to_le32(ports_available)); @@ -785,7 +795,16 @@ void usb_enable_xhci_ports(struct pci_dev *xhci_pdev) dev_dbg(&xhci_pdev->dev, "USB 3.0 ports that are now enabled " "under xHCI: 0x%x\n", ports_available); - ports_available = 0xffffffff; + /* Read XUSB2PRM, xHCI USB 2.0 Port Routing Mask Register + * Indicate the USB 2.0 ports to be controlled by the xHCI host. + */ + + pci_read_config_dword(xhci_pdev, USB_INTEL_USB2PRM, + &ports_available); + + dev_dbg(&xhci_pdev->dev, "Configurable USB 2.0 ports to hand over to xCHI: 0x%x\n", + ports_available); + /* Write XUSB2PR, the xHC USB 2.0 Port Routing Register, to * switch the USB 2.0 power and data lines over to the xHCI * host. @@ -822,12 +841,12 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev) void __iomem *op_reg_base; u32 val; int timeout; + int len = pci_resource_len(pdev, 0); if (!mmio_resource_enabled(pdev, 0)) return; - base = ioremap_nocache(pci_resource_start(pdev, 0), - pci_resource_len(pdev, 0)); + base = ioremap_nocache(pci_resource_start(pdev, 0), len); if (base == NULL) return; @@ -837,9 +856,17 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev) */ ext_cap_offset = xhci_find_next_cap_offset(base, XHCI_HCC_PARAMS_OFFSET); do { + if ((ext_cap_offset + sizeof(val)) > len) { + /* We're reading garbage from the controller */ + dev_warn(&pdev->dev, + "xHCI controller failing to respond"); + return; + } + if (!ext_cap_offset) /* We've reached the end of the extended capabilities */ goto hc_init; + val = readl(base + ext_cap_offset); if (XHCI_EXT_CAPS_ID(val) == XHCI_EXT_CAPS_LEGACY) break; @@ -870,9 +897,10 @@ static void __devinit quirk_usb_handoff_xhci(struct pci_dev *pdev) /* Disable any BIOS SMIs and clear all SMI events*/ writel(val, base + ext_cap_offset + XHCI_LEGACY_CONTROL_OFFSET); +hc_init: if (usb_is_intel_switchable_xhci(pdev)) usb_enable_xhci_ports(pdev); -hc_init: + op_reg_base = base + XHCI_HC_LENGTH(readl(base)); /* Wait for the host controller to be ready before writing any diff --git a/drivers/usb/host/pci-quirks.h b/drivers/usb/host/pci-quirks.h index ef004a5de20f..7f69a39163ce 100644 --- a/drivers/usb/host/pci-quirks.h +++ b/drivers/usb/host/pci-quirks.h @@ -15,6 +15,7 @@ void usb_disable_xhci_ports(struct pci_dev *xhci_pdev); static inline void usb_amd_quirk_pll_disable(void) {} static inline void usb_amd_quirk_pll_enable(void) {} static inline void usb_amd_dev_put(void) {} +static inline void usb_disable_xhci_ports(struct pci_dev *xhci_pdev) {} #endif /* CONFIG_PCI */ #endif /* __LINUX_USB_PCI_QUIRKS_H */ diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 74bfc868b7ad..d5eb357aa5c4 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -493,11 +493,48 @@ static void xhci_hub_report_link_state(u32 *status, u32 status_reg) * when this bit is set. */ pls |= USB_PORT_STAT_CONNECTION; + } else { + /* + * If CAS bit isn't set but the Port is already at + * Compliance Mode, fake a connection so the USB core + * notices the Compliance state and resets the port. + * This resolves an issue generated by the SN65LVPE502CP + * in which sometimes the port enters compliance mode + * caused by a delay on the host-device negotiation. + */ + if (pls == USB_SS_PORT_LS_COMP_MOD) + pls |= USB_PORT_STAT_CONNECTION; } + /* update status field */ *status |= pls; } +/* + * Function for Compliance Mode Quirk. + * + * This Function verifies if all xhc USB3 ports have entered U0, if so, + * the compliance mode timer is deleted. A port won't enter + * compliance mode if it has previously entered U0. + */ +void xhci_del_comp_mod_timer(struct xhci_hcd *xhci, u32 status, u16 wIndex) +{ + u32 all_ports_seen_u0 = ((1 << xhci->num_usb3_ports)-1); + bool port_in_u0 = ((status & PORT_PLS_MASK) == XDEV_U0); + + if (!(xhci->quirks & XHCI_COMP_MODE_QUIRK)) + return; + + if ((xhci->port_status_u0 != all_ports_seen_u0) && port_in_u0) { + xhci->port_status_u0 |= 1 << wIndex; + if (xhci->port_status_u0 == all_ports_seen_u0) { + del_timer_sync(&xhci->comp_mode_recovery_timer); + xhci_dbg(xhci, "All USB3 ports have entered U0 already!\n"); + xhci_dbg(xhci, "Compliance Mode Recovery Timer Deleted.\n"); + } + } +} + int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, u16 wIndex, char *buf, u16 wLength) { @@ -651,6 +688,11 @@ int xhci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue, /* Update Port Link State for super speed ports*/ if (hcd->speed == HCD_USB3) { xhci_hub_report_link_state(&status, temp); + /* + * Verify if all USB3 Ports Have entered U0 already. + * Delete Compliance Mode Timer if so. + */ + xhci_del_comp_mod_timer(xhci, temp, wIndex); } if (bus_state->port_c_suspend & (1 << wIndex)) status |= 1 << USB_PORT_FEAT_C_SUSPEND; diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index 689bc18b051d..df90fe51b4aa 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -118,7 +118,7 @@ static int xhci_plat_probe(struct platform_device *pdev) goto put_hcd; } - hcd->regs = ioremap(hcd->rsrc_start, hcd->rsrc_len); + hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len); if (!hcd->regs) { dev_dbg(&pdev->dev, "error mapping memory\n"); ret = -EFAULT; diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index c59d5b5b6c7d..6ece0ed288d4 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -26,6 +26,7 @@ #include <linux/module.h> #include <linux/moduleparam.h> #include <linux/slab.h> +#include <linux/dmi.h> #include "xhci.h" @@ -398,6 +399,95 @@ static void xhci_msix_sync_irqs(struct xhci_hcd *xhci) #endif +static void compliance_mode_recovery(unsigned long arg) +{ + struct xhci_hcd *xhci; + struct usb_hcd *hcd; + u32 temp; + int i; + + xhci = (struct xhci_hcd *)arg; + + for (i = 0; i < xhci->num_usb3_ports; i++) { + temp = xhci_readl(xhci, xhci->usb3_ports[i]); + if ((temp & PORT_PLS_MASK) == USB_SS_PORT_LS_COMP_MOD) { + /* + * Compliance Mode Detected. Letting USB Core + * handle the Warm Reset + */ + xhci_dbg(xhci, "Compliance Mode Detected->Port %d!\n", + i + 1); + xhci_dbg(xhci, "Attempting Recovery routine!\n"); + hcd = xhci->shared_hcd; + + if (hcd->state == HC_STATE_SUSPENDED) + usb_hcd_resume_root_hub(hcd); + + usb_hcd_poll_rh_status(hcd); + } + } + + if (xhci->port_status_u0 != ((1 << xhci->num_usb3_ports)-1)) + mod_timer(&xhci->comp_mode_recovery_timer, + jiffies + msecs_to_jiffies(COMP_MODE_RCVRY_MSECS)); +} + +/* + * Quirk to work around issue generated by the SN65LVPE502CP USB3.0 re-driver + * that causes ports behind that hardware to enter compliance mode sometimes. + * The quirk creates a timer that polls every 2 seconds the link state of + * each host controller's port and recovers it by issuing a Warm reset + * if Compliance mode is detected, otherwise the port will become "dead" (no + * device connections or disconnections will be detected anymore). Becasue no + * status event is generated when entering compliance mode (per xhci spec), + * this quirk is needed on systems that have the failing hardware installed. + */ +static void compliance_mode_recovery_timer_init(struct xhci_hcd *xhci) +{ + xhci->port_status_u0 = 0; + init_timer(&xhci->comp_mode_recovery_timer); + + xhci->comp_mode_recovery_timer.data = (unsigned long) xhci; + xhci->comp_mode_recovery_timer.function = compliance_mode_recovery; + xhci->comp_mode_recovery_timer.expires = jiffies + + msecs_to_jiffies(COMP_MODE_RCVRY_MSECS); + + set_timer_slack(&xhci->comp_mode_recovery_timer, + msecs_to_jiffies(COMP_MODE_RCVRY_MSECS)); + add_timer(&xhci->comp_mode_recovery_timer); + xhci_dbg(xhci, "Compliance Mode Recovery Timer Initialized.\n"); +} + +/* + * This function identifies the systems that have installed the SN65LVPE502CP + * USB3.0 re-driver and that need the Compliance Mode Quirk. + * Systems: + * Vendor: Hewlett-Packard -> System Models: Z420, Z620 and Z820 + */ +static bool compliance_mode_recovery_timer_quirk_check(void) +{ + const char *dmi_product_name, *dmi_sys_vendor; + + dmi_product_name = dmi_get_system_info(DMI_PRODUCT_NAME); + dmi_sys_vendor = dmi_get_system_info(DMI_SYS_VENDOR); + + if (!(strstr(dmi_sys_vendor, "Hewlett-Packard"))) + return false; + + if (strstr(dmi_product_name, "Z420") || + strstr(dmi_product_name, "Z620") || + strstr(dmi_product_name, "Z820")) + return true; + + return false; +} + +static int xhci_all_ports_seen_u0(struct xhci_hcd *xhci) +{ + return (xhci->port_status_u0 == ((1 << xhci->num_usb3_ports)-1)); +} + + /* * Initialize memory for HCD and xHC (one-time init). * @@ -421,6 +511,12 @@ int xhci_init(struct usb_hcd *hcd) retval = xhci_mem_init(xhci, GFP_KERNEL); xhci_dbg(xhci, "Finished xhci_init\n"); + /* Initializing Compliance Mode Recovery Data If Needed */ + if (compliance_mode_recovery_timer_quirk_check()) { + xhci->quirks |= XHCI_COMP_MODE_QUIRK; + compliance_mode_recovery_timer_init(xhci); + } + return retval; } @@ -629,6 +725,11 @@ void xhci_stop(struct usb_hcd *hcd) del_timer_sync(&xhci->event_ring_timer); #endif + /* Deleting Compliance Mode Recovery Timer */ + if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && + (!(xhci_all_ports_seen_u0(xhci)))) + del_timer_sync(&xhci->comp_mode_recovery_timer); + if (xhci->quirks & XHCI_AMD_PLL_FIX) usb_amd_dev_put(); @@ -659,7 +760,7 @@ void xhci_shutdown(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); - if (xhci->quirks && XHCI_SPURIOUS_REBOOT) + if (xhci->quirks & XHCI_SPURIOUS_REBOOT) usb_disable_xhci_ports(to_pci_dev(hcd->self.controller)); spin_lock_irq(&xhci->lock); @@ -806,6 +907,16 @@ int xhci_suspend(struct xhci_hcd *xhci) } spin_unlock_irq(&xhci->lock); + /* + * Deleting Compliance Mode Recovery Timer because the xHCI Host + * is about to be suspended. + */ + if ((xhci->quirks & XHCI_COMP_MODE_QUIRK) && + (!(xhci_all_ports_seen_u0(xhci)))) { + del_timer_sync(&xhci->comp_mode_recovery_timer); + xhci_dbg(xhci, "Compliance Mode Recovery Timer Deleted!\n"); + } + /* step 5: remove core well power */ /* synchronize irq when using MSI-X */ xhci_msix_sync_irqs(xhci); @@ -938,6 +1049,16 @@ int xhci_resume(struct xhci_hcd *xhci, bool hibernated) usb_hcd_resume_root_hub(hcd); usb_hcd_resume_root_hub(xhci->shared_hcd); } + + /* + * If system is subject to the Quirk, Compliance Mode Timer needs to + * be re-initialized Always after a system resume. Ports are subject + * to suffer the Compliance Mode issue again. It doesn't matter if + * ports have entered previously to U0 before system's suspension. + */ + if (xhci->quirks & XHCI_COMP_MODE_QUIRK) + compliance_mode_recovery_timer_init(xhci); + return retval; } #endif /* CONFIG_PM */ diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index c713256297ac..1a05908c6673 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1495,6 +1495,7 @@ struct xhci_hcd { #define XHCI_LPM_SUPPORT (1 << 11) #define XHCI_INTEL_HOST (1 << 12) #define XHCI_SPURIOUS_REBOOT (1 << 13) +#define XHCI_COMP_MODE_QUIRK (1 << 14) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ @@ -1511,6 +1512,11 @@ struct xhci_hcd { unsigned sw_lpm_support:1; /* support xHCI 1.0 spec USB2 hardware LPM */ unsigned hw_lpm_support:1; + /* Compliance Mode Recovery Data */ + struct timer_list comp_mode_recovery_timer; + u32 port_status_u0; +/* Compliance Mode Timer Triggered every 2 seconds */ +#define COMP_MODE_RCVRY_MSECS 2000 }; /* convert between an HCD pointer and the corresponding EHCI_HCD */ diff --git a/drivers/usb/musb/musb_host.c b/drivers/usb/musb/musb_host.c index 4bb717d0bd41..1ae378d5fc6f 100644 --- a/drivers/usb/musb/musb_host.c +++ b/drivers/usb/musb/musb_host.c @@ -2049,7 +2049,7 @@ static int musb_urb_enqueue( * we only have work to do in the former case. */ spin_lock_irqsave(&musb->lock, flags); - if (hep->hcpriv) { + if (hep->hcpriv || !next_urb(qh)) { /* some concurrent activity submitted another urb to hep... * odd, rare, error prone, but legal. */ diff --git a/drivers/usb/musb/musbhsdma.c b/drivers/usb/musb/musbhsdma.c index 57a608584e16..c1be687e00ec 100644 --- a/drivers/usb/musb/musbhsdma.c +++ b/drivers/usb/musb/musbhsdma.c @@ -388,7 +388,7 @@ dma_controller_create(struct musb *musb, void __iomem *base) struct platform_device *pdev = to_platform_device(dev); int irq = platform_get_irq_byname(pdev, "dma"); - if (irq == 0) { + if (irq <= 0) { dev_err(dev, "No DMA interrupt line!\n"); return NULL; } diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 1a1bd9cf40c5..341625442377 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -1215,7 +1215,7 @@ static int __devinit tusb_probe(struct platform_device *pdev) ret = platform_device_add(musb); if (ret) { dev_err(&pdev->dev, "failed to register musb device\n"); - goto err1; + goto err2; } return 0; diff --git a/drivers/usb/renesas_usbhs/fifo.c b/drivers/usb/renesas_usbhs/fifo.c index ecd173032fd4..143c4e9e1be4 100644 --- a/drivers/usb/renesas_usbhs/fifo.c +++ b/drivers/usb/renesas_usbhs/fifo.c @@ -818,7 +818,7 @@ static int usbhsf_dma_prepare_push(struct usbhs_pkt *pkt, int *is_done) usbhs_pipe_is_dcp(pipe)) goto usbhsf_pio_prepare_push; - if (len % 4) /* 32bit alignment */ + if (len & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_push; if ((uintptr_t)(pkt->buf + pkt->actual) & 0x7) /* 8byte alignment */ @@ -905,7 +905,7 @@ static int usbhsf_dma_try_pop(struct usbhs_pkt *pkt, int *is_done) /* use PIO if packet is less than pio_dma_border */ len = usbhsf_fifo_rcv_len(priv, fifo); len = min(pkt->length - pkt->actual, len); - if (len % 4) /* 32bit alignment */ + if (len & 0x7) /* 8byte alignment */ goto usbhsf_pio_prepare_pop_unselect; if (len < usbhs_get_dparam(priv, pio_dma_border)) diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 5620db6469e5..f906b3aec217 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -704,6 +704,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_PCDJ_DAC2_PID) }, { USB_DEVICE(FTDI_VID, FTDI_RRCIRKITS_LOCOBUFFER_PID) }, { USB_DEVICE(FTDI_VID, FTDI_ASK_RDR400_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_NZR_SEM_USB_PID) }, { USB_DEVICE(ICOM_VID, ICOM_ID_1_PID) }, { USB_DEVICE(ICOM_VID, ICOM_OPC_U_UC_PID) }, { USB_DEVICE(ICOM_VID, ICOM_ID_RP2C1_PID) }, @@ -804,13 +805,32 @@ static struct usb_device_id id_table_combined [] = { .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, - { USB_DEVICE(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID) }, + { USB_DEVICE_AND_INTERFACE_INFO(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID, + USB_CLASS_VENDOR_SPEC, + USB_SUBCLASS_VENDOR_SPEC, 0x00) }, { USB_DEVICE(JETI_VID, JETI_SPC1201_PID) }, { USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID), .driver_info = (kernel_ulong_t)&ftdi_jtag_quirk }, { USB_DEVICE(LARSENBRUSGAARD_VID, LB_ALTITRACK_PID) }, { USB_DEVICE(GN_OTOMETRICS_VID, AURICAL_USB_PID) }, + { USB_DEVICE(FTDI_VID, PI_C865_PID) }, + { USB_DEVICE(FTDI_VID, PI_C857_PID) }, + { USB_DEVICE(PI_VID, PI_C866_PID) }, + { USB_DEVICE(PI_VID, PI_C663_PID) }, + { USB_DEVICE(PI_VID, PI_C725_PID) }, + { USB_DEVICE(PI_VID, PI_E517_PID) }, + { USB_DEVICE(PI_VID, PI_C863_PID) }, { USB_DEVICE(PI_VID, PI_E861_PID) }, + { USB_DEVICE(PI_VID, PI_C867_PID) }, + { USB_DEVICE(PI_VID, PI_E609_PID) }, + { USB_DEVICE(PI_VID, PI_E709_PID) }, + { USB_DEVICE(PI_VID, PI_100F_PID) }, + { USB_DEVICE(PI_VID, PI_1011_PID) }, + { USB_DEVICE(PI_VID, PI_1012_PID) }, + { USB_DEVICE(PI_VID, PI_1013_PID) }, + { USB_DEVICE(PI_VID, PI_1014_PID) }, + { USB_DEVICE(PI_VID, PI_1015_PID) }, + { USB_DEVICE(PI_VID, PI_1016_PID) }, { USB_DEVICE(KONDO_VID, KONDO_USB_SERIAL_PID) }, { USB_DEVICE(BAYER_VID, BAYER_CONTOUR_CABLE_PID) }, { USB_DEVICE(FTDI_VID, MARVELL_OPENRD_PID), diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h index 5dd96ca6c380..41fe5826100c 100644 --- a/drivers/usb/serial/ftdi_sio_ids.h +++ b/drivers/usb/serial/ftdi_sio_ids.h @@ -75,6 +75,9 @@ #define FTDI_OPENDCC_GATEWAY_PID 0xBFDB #define FTDI_OPENDCC_GBM_PID 0xBFDC +/* NZR SEM 16+ USB (http://www.nzr.de) */ +#define FTDI_NZR_SEM_USB_PID 0xC1E0 /* NZR SEM-LOG16+ */ + /* * RR-CirKits LocoBuffer USB (http://www.rr-cirkits.com) */ @@ -539,7 +542,10 @@ /* * Microchip Technology, Inc. * - * MICROCHIP_VID (0x04D8) and MICROCHIP_USB_BOARD_PID (0x000A) are also used by: + * MICROCHIP_VID (0x04D8) and MICROCHIP_USB_BOARD_PID (0x000A) are + * used by single function CDC ACM class based firmware demo + * applications. The VID/PID has also been used in firmware + * emulating FTDI serial chips by: * Hornby Elite - Digital Command Control Console * http://www.hornby.com/hornby-dcc/controllers/ */ @@ -791,8 +797,27 @@ * Physik Instrumente * http://www.physikinstrumente.com/en/products/ */ +/* These two devices use the VID of FTDI */ +#define PI_C865_PID 0xe0a0 /* PI C-865 Piezomotor Controller */ +#define PI_C857_PID 0xe0a1 /* PI Encoder Trigger Box */ + #define PI_VID 0x1a72 /* Vendor ID */ -#define PI_E861_PID 0x1008 /* E-861 piezo controller USB connection */ +#define PI_C866_PID 0x1000 /* PI C-866 Piezomotor Controller */ +#define PI_C663_PID 0x1001 /* PI C-663 Mercury-Step */ +#define PI_C725_PID 0x1002 /* PI C-725 Piezomotor Controller */ +#define PI_E517_PID 0x1005 /* PI E-517 Digital Piezo Controller Operation Module */ +#define PI_C863_PID 0x1007 /* PI C-863 */ +#define PI_E861_PID 0x1008 /* PI E-861 Piezomotor Controller */ +#define PI_C867_PID 0x1009 /* PI C-867 Piezomotor Controller */ +#define PI_E609_PID 0x100D /* PI E-609 Digital Piezo Controller */ +#define PI_E709_PID 0x100E /* PI E-709 Digital Piezo Controller */ +#define PI_100F_PID 0x100F /* PI Digital Piezo Controller */ +#define PI_1011_PID 0x1011 /* PI Digital Piezo Controller */ +#define PI_1012_PID 0x1012 /* PI Motion Controller */ +#define PI_1013_PID 0x1013 /* PI Motion Controller */ +#define PI_1014_PID 0x1014 /* PI Device */ +#define PI_1015_PID 0x1015 /* PI Device */ +#define PI_1016_PID 0x1016 /* PI Digital Servo Module */ /* * Kondo Kagaku Co.Ltd. diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c index cc40f47ecea1..5ce88d1bc6f1 100644 --- a/drivers/usb/serial/option.c +++ b/drivers/usb/serial/option.c @@ -886,8 +886,6 @@ static const struct usb_device_id option_ids[] = { { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&net_intf4_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) }, - { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1018, 0xff, 0xff, 0xff), - .driver_info = (kernel_ulong_t)&net_intf3_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1057, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1058, 0xff, 0xff, 0xff) }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1059, 0xff, 0xff, 0xff) }, @@ -1092,6 +1090,10 @@ static const struct usb_device_id option_ids[] = { .driver_info = (kernel_ulong_t)&zte_ad3812_z_blacklist }, { USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MC2716, 0xff, 0xff, 0xff), .driver_info = (kernel_ulong_t)&zte_mc2716_z_blacklist }, + { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x01) }, + { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x02, 0x05) }, + { USB_VENDOR_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0xff, 0x86, 0x10) }, + { USB_DEVICE(BENQ_VENDOR_ID, BENQ_PRODUCT_H10) }, { USB_DEVICE(DLINK_VENDOR_ID, DLINK_PRODUCT_DWM_652) }, { USB_DEVICE(ALINK_VENDOR_ID, DLINK_PRODUCT_DWM_652_U5) }, /* Yes, ALINK_VENDOR_ID */ diff --git a/drivers/watchdog/hpwdt.c b/drivers/watchdog/hpwdt.c index 1eff743ec497..ae60406ea8a1 100644 --- a/drivers/watchdog/hpwdt.c +++ b/drivers/watchdog/hpwdt.c @@ -814,6 +814,9 @@ static int __devinit hpwdt_init_one(struct pci_dev *dev, hpwdt_timer_reg = pci_mem_addr + 0x70; hpwdt_timer_con = pci_mem_addr + 0x72; + /* Make sure that timer is disabled until /dev/watchdog is opened */ + hpwdt_stop(); + /* Make sure that we have a valid soft_margin */ if (hpwdt_change_timer(soft_margin)) hpwdt_change_timer(DEFAULT_MARGIN); diff --git a/drivers/watchdog/watchdog_core.c b/drivers/watchdog/watchdog_core.c index 6aa46a90ff02..3796434991fa 100644 --- a/drivers/watchdog/watchdog_core.c +++ b/drivers/watchdog/watchdog_core.c @@ -128,11 +128,12 @@ EXPORT_SYMBOL_GPL(watchdog_register_device); void watchdog_unregister_device(struct watchdog_device *wdd) { int ret; - int devno = wdd->cdev.dev; + int devno; if (wdd == NULL) return; + devno = wdd->cdev.dev; ret = watchdog_dev_unregister(wdd); if (ret) pr_err("error unregistering /dev/watchdog (err=%d)\n", ret); diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c index 1ffd03bf8e10..7f1241608489 100644 --- a/drivers/xen/gntdev.c +++ b/drivers/xen/gntdev.c @@ -314,8 +314,9 @@ static int __unmap_grant_pages(struct grant_map *map, int offset, int pages) } } - err = gnttab_unmap_refs(map->unmap_ops + offset, map->pages + offset, - pages, true); + err = gnttab_unmap_refs(map->unmap_ops + offset, + use_ptemod ? map->kmap_ops + offset : NULL, map->pages + offset, + pages); if (err) return err; diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c index 0bfc1ef11259..006726688baf 100644 --- a/drivers/xen/grant-table.c +++ b/drivers/xen/grant-table.c @@ -870,7 +870,8 @@ int gnttab_map_refs(struct gnttab_map_grant_ref *map_ops, EXPORT_SYMBOL_GPL(gnttab_map_refs); int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, - struct page **pages, unsigned int count, bool clear_pte) + struct gnttab_map_grant_ref *kmap_ops, + struct page **pages, unsigned int count) { int i, ret; bool lazy = false; @@ -888,7 +889,8 @@ int gnttab_unmap_refs(struct gnttab_unmap_grant_ref *unmap_ops, } for (i = 0; i < count; i++) { - ret = m2p_remove_override(pages[i], clear_pte); + ret = m2p_remove_override(pages[i], kmap_ops ? + &kmap_ops[i] : NULL); if (ret) return ret; } |