diff options
Diffstat (limited to 'drivers/media/dvb/siano')
| -rw-r--r-- | drivers/media/dvb/siano/Kconfig | 26 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/Makefile | 8 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/sms-cards.c | 102 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/sms-cards.h | 45 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/smscoreapi.c | 1251 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/smscoreapi.h | 434 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/smsdvb.c | 449 | ||||
| -rw-r--r-- | drivers/media/dvb/siano/smsusb.c | 459 |
8 files changed, 2774 insertions, 0 deletions
diff --git a/drivers/media/dvb/siano/Kconfig b/drivers/media/dvb/siano/Kconfig new file mode 100644 index 000000000000..dd863f261672 --- /dev/null +++ b/drivers/media/dvb/siano/Kconfig @@ -0,0 +1,26 @@ +# +# Siano Mobile Silicon Digital TV device configuration +# + +config DVB_SIANO_SMS1XXX + tristate "Siano SMS1XXX USB dongle support" + depends on DVB_CORE && USB + ---help--- + Choose Y here if you have a USB dongle with a SMS1XXX chipset. + + To compile this driver as a module, choose M here: the + module will be called sms1xxx. + +config DVB_SIANO_SMS1XXX_SMS_IDS + bool "Enable support for Siano Mobile Silicon default USB IDs" + depends on DVB_SIANO_SMS1XXX + default y + ---help--- + Choose Y here if you have a USB dongle with a SMS1XXX chipset + that uses Siano Mobile Silicon's default usb vid:pid. + + Choose N here if you would prefer to use Siano's external driver. + + Further documentation on this driver can be found on the WWW at + <http://www.siano-ms.com/>. + diff --git a/drivers/media/dvb/siano/Makefile b/drivers/media/dvb/siano/Makefile new file mode 100644 index 000000000000..ee0737af98c0 --- /dev/null +++ b/drivers/media/dvb/siano/Makefile @@ -0,0 +1,8 @@ +sms1xxx-objs := smscoreapi.o smsusb.o smsdvb.o sms-cards.o + +obj-$(CONFIG_DVB_SIANO_SMS1XXX) += sms1xxx.o + +EXTRA_CFLAGS += -Idrivers/media/dvb/dvb-core + +EXTRA_CFLAGS += $(extra-cflags-y) $(extra-cflags-m) + diff --git a/drivers/media/dvb/siano/sms-cards.c b/drivers/media/dvb/siano/sms-cards.c new file mode 100644 index 000000000000..e7a8ac0c4049 --- /dev/null +++ b/drivers/media/dvb/siano/sms-cards.c @@ -0,0 +1,102 @@ +/* + * Card-specific functions for the Siano SMS1xxx USB dongle + * + * Copyright (c) 2008 Michael Krufky <mkrufky@linuxtv.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation; + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include "sms-cards.h" + +struct usb_device_id smsusb_id_table[] = { +#ifdef CONFIG_DVB_SIANO_SMS1XXX_SMS_IDS + { USB_DEVICE(0x187f, 0x0010), + .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, + { USB_DEVICE(0x187f, 0x0100), + .driver_info = SMS1XXX_BOARD_SIANO_STELLAR }, + { USB_DEVICE(0x187f, 0x0200), + .driver_info = SMS1XXX_BOARD_SIANO_NOVA_A }, + { USB_DEVICE(0x187f, 0x0201), + .driver_info = SMS1XXX_BOARD_SIANO_NOVA_B }, + { USB_DEVICE(0x187f, 0x0300), + .driver_info = SMS1XXX_BOARD_SIANO_VEGA }, +#endif + { USB_DEVICE(0x2040, 0x1700), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT }, + { USB_DEVICE(0x2040, 0x1800), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A }, + { USB_DEVICE(0x2040, 0x1801), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B }, + { USB_DEVICE(0x2040, 0x5500), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5580), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { USB_DEVICE(0x2040, 0x5590), + .driver_info = SMS1XXX_BOARD_HAUPPAUGE_WINDHAM }, + { } /* Terminating entry */ +}; +MODULE_DEVICE_TABLE(usb, smsusb_id_table); + +static struct sms_board sms_boards[] = { + [SMS_BOARD_UNKNOWN] = { + .name = "Unknown board", + }, + [SMS1XXX_BOARD_SIANO_STELLAR] = { + .name = "Siano Stellar Digital Receiver", + .type = SMS_STELLAR, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-stellar-dvbt-01.fw", + }, + [SMS1XXX_BOARD_SIANO_NOVA_A] = { + .name = "Siano Nova A Digital Receiver", + .type = SMS_NOVA_A0, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-a-dvbt-01.fw", + }, + [SMS1XXX_BOARD_SIANO_NOVA_B] = { + .name = "Siano Nova B Digital Receiver", + .type = SMS_NOVA_B0, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-b-dvbt-01.fw", + }, + [SMS1XXX_BOARD_SIANO_VEGA] = { + .name = "Siano Vega Digital Receiver", + .type = SMS_VEGA, + }, + [SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT] = { + .name = "Hauppauge Catamount", + .type = SMS_STELLAR, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-stellar-dvbt-01.fw", + }, + [SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A] = { + .name = "Hauppauge Okemo-A", + .type = SMS_NOVA_A0, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-a-dvbt-01.fw", + }, + [SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B] = { + .name = "Hauppauge Okemo-B", + .type = SMS_NOVA_B0, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-nova-b-dvbt-01.fw", + }, + [SMS1XXX_BOARD_HAUPPAUGE_WINDHAM] = { + .name = "Hauppauge WinTV-Nova-T-MiniStick", + .type = SMS_NOVA_B0, + .fw[DEVICE_MODE_DVBT_BDA] = "sms1xxx-hcw-55xxx-dvbt-01.fw", + }, +}; + +struct sms_board *sms_get_board(int id) +{ + BUG_ON(id >= ARRAY_SIZE(sms_boards)); + + return &sms_boards[id]; +} + diff --git a/drivers/media/dvb/siano/sms-cards.h b/drivers/media/dvb/siano/sms-cards.h new file mode 100644 index 000000000000..83b39bc203fe --- /dev/null +++ b/drivers/media/dvb/siano/sms-cards.h @@ -0,0 +1,45 @@ +/* + * Card-specific functions for the Siano SMS1xxx USB dongle + * + * Copyright (c) 2008 Michael Krufky <mkrufky@linuxtv.org> + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation; + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __SMS_CARDS_H__ +#define __SMS_CARDS_H__ + +#include <linux/usb.h> +#include "smscoreapi.h" + +#define SMS_BOARD_UNKNOWN 0 +#define SMS1XXX_BOARD_SIANO_STELLAR 1 +#define SMS1XXX_BOARD_SIANO_NOVA_A 2 +#define SMS1XXX_BOARD_SIANO_NOVA_B 3 +#define SMS1XXX_BOARD_SIANO_VEGA 4 +#define SMS1XXX_BOARD_HAUPPAUGE_CATAMOUNT 5 +#define SMS1XXX_BOARD_HAUPPAUGE_OKEMO_A 6 +#define SMS1XXX_BOARD_HAUPPAUGE_OKEMO_B 7 +#define SMS1XXX_BOARD_HAUPPAUGE_WINDHAM 8 + +struct sms_board { + enum sms_device_type_st type; + char *name, *fw[DEVICE_MODE_MAX]; +}; + +struct sms_board *sms_get_board(int id); + +extern struct usb_device_id smsusb_id_table[]; + +#endif /* __SMS_CARDS_H__ */ diff --git a/drivers/media/dvb/siano/smscoreapi.c b/drivers/media/dvb/siano/smscoreapi.c new file mode 100644 index 000000000000..b4b8ed795c95 --- /dev/null +++ b/drivers/media/dvb/siano/smscoreapi.c @@ -0,0 +1,1251 @@ +/* + * Siano core API module + * + * This file contains implementation for the interface to sms core component + * + * author: Anatoly Greenblat + * + * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation; + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/module.h> +#include <linux/moduleparam.h> +#include <linux/dma-mapping.h> +#include <linux/delay.h> +#include <linux/io.h> + +#include <linux/firmware.h> + +#include "smscoreapi.h" +#include "sms-cards.h" + +int sms_debug; +module_param_named(debug, sms_debug, int, 0644); +MODULE_PARM_DESC(debug, "set debug level (info=1, adv=2 (or-able))"); + +struct smscore_device_notifyee_t { + struct list_head entry; + hotplug_t hotplug; +}; + +struct smscore_idlist_t { + struct list_head entry; + int id; + int data_type; +}; + +struct smscore_client_t { + struct list_head entry; + struct smscore_device_t *coredev; + void *context; + struct list_head idlist; + onresponse_t onresponse_handler; + onremove_t onremove_handler; +}; + +struct smscore_device_t { + struct list_head entry; + + struct list_head clients; + struct list_head subclients; + spinlock_t clientslock; + + struct list_head buffers; + spinlock_t bufferslock; + int num_buffers; + + void *common_buffer; + int common_buffer_size; + dma_addr_t common_buffer_phys; + + void *context; + struct device *device; + + char devpath[32]; + unsigned long device_flags; + + setmode_t setmode_handler; + detectmode_t detectmode_handler; + sendrequest_t sendrequest_handler; + preload_t preload_handler; + postload_t postload_handler; + + int mode, modes_supported; + + struct completion version_ex_done, data_download_done, trigger_done; + struct completion init_device_done, reload_start_done, resume_done; + + int board_id; +}; + +void smscore_set_board_id(struct smscore_device_t *core, int id) +{ + core->board_id = id; +} + +int smscore_get_board_id(struct smscore_device_t *core) +{ + return core->board_id; +} + +struct smscore_registry_entry_t { + struct list_head entry; + char devpath[32]; + int mode; + enum sms_device_type_st type; +}; + +struct list_head g_smscore_notifyees; +struct list_head g_smscore_devices; +struct mutex g_smscore_deviceslock; + +struct list_head g_smscore_registry; +struct mutex g_smscore_registrylock; + +static int default_mode = 4; + +module_param(default_mode, int, 0644); +MODULE_PARM_DESC(default_mode, "default firmware id (device mode)"); + +static struct smscore_registry_entry_t *smscore_find_registry(char *devpath) +{ + struct smscore_registry_entry_t *entry; + struct list_head *next; + + kmutex_lock(&g_smscore_registrylock); + for (next = g_smscore_registry.next; + next != &g_smscore_registry; + next = next->next) { + entry = (struct smscore_registry_entry_t *) next; + if (!strcmp(entry->devpath, devpath)) { + kmutex_unlock(&g_smscore_registrylock); + return entry; + } + } + entry = (struct smscore_registry_entry_t *) + kmalloc(sizeof(struct smscore_registry_entry_t), + GFP_KERNEL); + if (entry) { + entry->mode = default_mode; + strcpy(entry->devpath, devpath); + list_add(&entry->entry, &g_smscore_registry); + } else + sms_err("failed to create smscore_registry."); + kmutex_unlock(&g_smscore_registrylock); + return entry; +} + +int smscore_registry_getmode(char *devpath) +{ + struct smscore_registry_entry_t *entry; + + entry = smscore_find_registry(devpath); + if (entry) + return entry->mode; + else + sms_err("No registry found."); + + return default_mode; +} + +static enum sms_device_type_st smscore_registry_gettype(char *devpath) +{ + struct smscore_registry_entry_t *entry; + + entry = smscore_find_registry(devpath); + if (entry) + return entry->type; + else + sms_err("No registry found."); + + return -1; +} + +void smscore_registry_setmode(char *devpath, int mode) +{ + struct smscore_registry_entry_t *entry; + + entry = smscore_find_registry(devpath); + if (entry) + entry->mode = mode; + else + sms_err("No registry found."); +} + +static void smscore_registry_settype(char *devpath, + enum sms_device_type_st type) +{ + struct smscore_registry_entry_t *entry; + + entry = smscore_find_registry(devpath); + if (entry) + entry->type = type; + else + sms_err("No registry found."); +} + + +static void list_add_locked(struct list_head *new, struct list_head *head, + spinlock_t *lock) +{ + unsigned long flags; + + spin_lock_irqsave(lock, flags); + + list_add(new, head); + + spin_unlock_irqrestore(lock, flags); +} + +/** + * register a client callback that called when device plugged in/unplugged + * NOTE: if devices exist callback is called immediately for each device + * + * @param hotplug callback + * + * @return 0 on success, <0 on error. + */ +int smscore_register_hotplug(hotplug_t hotplug) +{ + struct smscore_device_notifyee_t *notifyee; + struct list_head *next, *first; + int rc = 0; + + kmutex_lock(&g_smscore_deviceslock); + + notifyee = kmalloc(sizeof(struct smscore_device_notifyee_t), + GFP_KERNEL); + if (notifyee) { + /* now notify callback about existing devices */ + first = &g_smscore_devices; + for (next = first->next; + next != first && !rc; + next = next->next) { + struct smscore_device_t *coredev = + (struct smscore_device_t *) next; + rc = hotplug(coredev, coredev->device, 1); + } + + if (rc >= 0) { + notifyee->hotplug = hotplug; + list_add(¬ifyee->entry, &g_smscore_notifyees); + } else + kfree(notifyee); + } else + rc = -ENOMEM; + + kmutex_unlock(&g_smscore_deviceslock); + + return rc; +} + +/** + * unregister a client callback that called when device plugged in/unplugged + * + * @param hotplug callback + * + */ +void smscore_unregister_hotplug(hotplug_t hotplug) +{ + struct list_head *next, *first; + + kmutex_lock(&g_smscore_deviceslock); + + first = &g_smscore_notifyees; + + for (next = first->next; next != first;) { + struct smscore_device_notifyee_t *notifyee = + (struct smscore_device_notifyee_t *) next; + next = next->next; + + if (notifyee->hotplug == hotplug) { + list_del(¬ifyee->entry); + kfree(notifyee); + } + } + + kmutex_unlock(&g_smscore_deviceslock); +} + +static void smscore_notify_clients(struct smscore_device_t *coredev) +{ + struct smscore_client_t *client; + + /* the client must call smscore_unregister_client from remove handler */ + while (!list_empty(&coredev->clients)) { + client = (struct smscore_client_t *) coredev->clients.next; + client->onremove_handler(client->context); + } +} + +static int smscore_notify_callbacks(struct smscore_device_t *coredev, + struct device *device, int arrival) +{ + struct list_head *next, *first; + int rc = 0; + + /* note: must be called under g_deviceslock */ + + first = &g_smscore_notifyees; + + for (next = first->next; next != first; next = next->next) { + rc = ((struct smscore_device_notifyee_t *) next)-> + hotplug(coredev, device, arrival); + if (rc < 0) + break; + } + + return rc; +} + +static struct +smscore_buffer_t *smscore_createbuffer(u8 *buffer, void *common_buffer, + dma_addr_t common_buffer_phys) +{ + struct smscore_buffer_t *cb = + kmalloc(sizeof(struct smscore_buffer_t), GFP_KERNEL); + if (!cb) { + sms_info("kmalloc(...) failed"); + return NULL; + } + + cb->p = buffer; + cb->offset_in_common = buffer - (u8 *) common_buffer; + cb->phys = common_buffer_phys + cb->offset_in_common; + + return cb; +} + +/** + * creates coredev object for a device, prepares buffers, + * creates buffer mappings, notifies registered hotplugs about new device. + * + * @param params device pointer to struct with device specific parameters + * and handlers + * @param coredev pointer to a value that receives created coredev object + * + * @return 0 on success, <0 on error. + */ +int smscore_register_device(struct smsdevice_params_t *params, + struct smscore_device_t **coredev) +{ + struct smscore_device_t *dev; + u8 *buffer; + + dev = kzalloc(sizeof(struct smscore_device_t), GFP_KERNEL); + if (!dev) { + sms_info("kzalloc(...) failed"); + return -ENOMEM; + } + + /* init list entry so it could be safe in smscore_unregister_device */ + INIT_LIST_HEAD(&dev->entry); + + /* init queues */ + INIT_LIST_HEAD(&dev->clients); + INIT_LIST_HEAD(&dev->buffers); + + /* init locks */ + spin_lock_init(&dev->clientslock); + spin_lock_init(&dev->bufferslock); + + /* init completion events */ + init_completion(&dev->version_ex_done); + init_completion(&dev->data_download_done); + init_completion(&dev->trigger_done); + init_completion(&dev->init_device_done); + init_completion(&dev->reload_start_done); + init_completion(&dev->resume_done); + + /* alloc common buffer */ + dev->common_buffer_size = params->buffer_size * params->num_buffers; + dev->common_buffer = dma_alloc_coherent(NULL, dev->common_buffer_size, + &dev->common_buffer_phys, + GFP_KERNEL | GFP_DMA); + if (!dev->common_buffer) { + smscore_unregister_device(dev); + return -ENOMEM; + } + + /* prepare dma buffers */ + for (buffer = dev->common_buffer; + dev->num_buffers < params->num_buffers; + dev->num_buffers++, buffer += params->buffer_size) { + struct smscore_buffer_t *cb = + smscore_createbuffer(buffer, dev->common_buffer, + dev->common_buffer_phys); + if (!cb) { + smscore_unregister_device(dev); + return -ENOMEM; + } + + smscore_putbuffer(dev, cb); + } + + sms_info("allocated %d buffers", dev->num_buffers); + + dev->mode = DEVICE_MODE_NONE; + dev->context = params->context; + dev->device = params->device; + dev->setmode_handler = params->setmode_handler; + dev->detectmode_handler = params->detectmode_handler; + dev->sendrequest_handler = params->sendrequest_handler; + dev->preload_handler = params->preload_handler; + dev->postload_handler = params->postload_handler; + + dev->device_flags = params->flags; + strcpy(dev->devpath, params->devpath); + + smscore_registry_settype(dev->devpath, params->device_type); + + /* add device to devices list */ + kmutex_lock(&g_smscore_deviceslock); + list_add(&dev->entry, &g_smscore_devices); + kmutex_unlock(&g_smscore_deviceslock); + + *coredev = dev; + + sms_info("device %p created", dev); + + return 0; +} + +/** + * sets initial device mode and notifies client hotplugs that device is ready + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * + * @return 0 on success, <0 on error. + */ +int smscore_start_device(struct smscore_device_t *coredev) +{ + int rc = smscore_set_device_mode( + coredev, smscore_registry_getmode(coredev->devpath)); + if (rc < 0) { + sms_info("set device mode faile , rc %d", rc); + return rc; + } + + kmutex_lock(&g_smscore_deviceslock); + + rc = smscore_notify_callbacks(coredev, coredev->device, 1); + + sms_info("device %p started, rc %d", coredev, rc); + + kmutex_unlock(&g_smscore_deviceslock); + + return rc; +} + +static int smscore_sendrequest_and_wait(struct smscore_device_t *coredev, + void *buffer, size_t size, + struct completion *completion) +{ + int rc = coredev->sendrequest_handler(coredev->context, buffer, size); + if (rc < 0) { + sms_info("sendrequest returned error %d", rc); + return rc; + } + + return wait_for_completion_timeout(completion, + msecs_to_jiffies(10000)) ? + 0 : -ETIME; +} + +static int smscore_load_firmware_family2(struct smscore_device_t *coredev, + void *buffer, size_t size) +{ + struct SmsFirmware_ST *firmware = (struct SmsFirmware_ST *) buffer; + struct SmsMsgHdr_ST *msg; + u32 mem_address = firmware->StartAddress; + u8 *payload = firmware->Payload; + int rc = 0; + + sms_info("loading FW to addr 0x%x size %d", + mem_address, firmware->Length); + if (coredev->preload_handler) { + rc = coredev->preload_handler(coredev->context); + if (rc < 0) + return rc; + } + + /* PAGE_SIZE buffer shall be enough and dma aligned */ + msg = kmalloc(PAGE_SIZE, GFP_KERNEL | GFP_DMA); + if (!msg) + return -ENOMEM; + + if (coredev->mode != DEVICE_MODE_NONE) { + sms_debug("sending reload command."); + SMS_INIT_MSG(msg, MSG_SW_RELOAD_START_REQ, + sizeof(struct SmsMsgHdr_ST)); + rc = smscore_sendrequest_and_wait(coredev, msg, + msg->msgLength, + &coredev->reload_start_done); + mem_address = *(u32 *) &payload[20]; + } + + while (size && rc >= 0) { + struct SmsDataDownload_ST *DataMsg = + (struct SmsDataDownload_ST *) msg; + int payload_size = min((int) size, SMS_MAX_PAYLOAD_SIZE); + + SMS_INIT_MSG(msg, MSG_SMS_DATA_DOWNLOAD_REQ, + (u16)(sizeof(struct SmsMsgHdr_ST) + + sizeof(u32) + payload_size)); + + DataMsg->MemAddr = mem_address; + memcpy(DataMsg->Payload, payload, payload_size); + + if ((coredev->device_flags & SMS_ROM_NO_RESPONSE) && + (coredev->mode == DEVICE_MODE_NONE)) + rc = coredev->sendrequest_handler( + coredev->context, DataMsg, + DataMsg->xMsgHeader.msgLength); + else + rc = smscore_sendrequest_and_wait( + coredev, DataMsg, + DataMsg->xMsgHeader.msgLength, + &coredev->data_download_done); + + payload += payload_size; + size -= payload_size; + mem_address += payload_size; + } + + if (rc >= 0) { + if (coredev->mode == DEVICE_MODE_NONE) { + struct SmsMsgData_ST *TriggerMsg = + (struct SmsMsgData_ST *) msg; + + SMS_INIT_MSG(msg, MSG_SMS_SWDOWNLOAD_TRIGGER_REQ, + sizeof(struct SmsMsgHdr_ST) + + sizeof(u32) * 5); + + TriggerMsg->msgData[0] = firmware->StartAddress; + /* Entry point */ + TriggerMsg->msgData[1] = 5; /* Priority */ + TriggerMsg->msgData[2] = 0x200; /* Stack size */ + TriggerMsg->msgData[3] = 0; /* Parameter */ + TriggerMsg->msgData[4] = 4; /* Task ID */ + + if (coredev->device_flags & SMS_ROM_NO_RESPONSE) { + rc = coredev->sendrequest_handler( + coredev->context, TriggerMsg, + TriggerMsg->xMsgHeader.msgLength); + msleep(100); + } else + rc = smscore_sendrequest_and_wait( + coredev, TriggerMsg, + TriggerMsg->xMsgHeader.msgLength, + &coredev->trigger_done); + } else { + SMS_INIT_MSG(msg, MSG_SW_RELOAD_EXEC_REQ, + sizeof(struct SmsMsgHdr_ST)); + + rc = coredev->sendrequest_handler(coredev->context, + msg, msg->msgLength); + } + msleep(500); + } + + sms_debug("rc=%d, postload=%p ", rc, + coredev->postload_handler); + + kfree(msg); + + return ((rc >= 0) && coredev->postload_handler) ? + coredev->postload_handler(coredev->context) : + rc; +} + +/** + * loads specified firmware into a buffer and calls device loadfirmware_handler + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * @param filename null-terminated string specifies firmware file name + * @param loadfirmware_handler device handler that loads firmware + * + * @return 0 on success, <0 on error. + */ +static int smscore_load_firmware_from_file(struct smscore_device_t *coredev, + char *filename, + loadfirmware_t loadfirmware_handler) +{ + int rc = -ENOENT; + const struct firmware *fw; + u8 *fw_buffer; + + if (loadfirmware_handler == NULL && !(coredev->device_flags & + SMS_DEVICE_FAMILY2)) + return -EINVAL; + + rc = request_firmware(&fw, filename, coredev->device); + if (rc < 0) { + sms_info("failed to open \"%s\"", filename); + return rc; + } + sms_info("read FW %s, size=%zd", filename, fw->size); + fw_buffer = kmalloc(ALIGN(fw->size, SMS_ALLOC_ALIGNMENT), + GFP_KERNEL | GFP_DMA); + if (fw_buffer) { + memcpy(fw_buffer, fw->data, fw->size); + + rc = (coredev->device_flags & SMS_DEVICE_FAMILY2) ? + smscore_load_firmware_family2(coredev, + fw_buffer, + fw->size) : + loadfirmware_handler(coredev->context, + fw_buffer, fw->size); + + kfree(fw_buffer); + } else { + sms_info("failed to allocate firmware buffer"); + rc = -ENOMEM; + } + + release_firmware(fw); + + return rc; +} + +/** + * notifies all clients registered with the device, notifies hotplugs, + * frees all buffers and coredev object + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * + * @return 0 on success, <0 on error. + */ +void smscore_unregister_device(struct smscore_device_t *coredev) +{ + struct smscore_buffer_t *cb; + int num_buffers = 0; + int retry = 0; + + kmutex_lock(&g_smscore_deviceslock); + + smscore_notify_clients(coredev); + smscore_notify_callbacks(coredev, NULL, 0); + + /* at this point all buffers should be back + * onresponse must no longer be called */ + + while (1) { + while ((cb = smscore_getbuffer(coredev))) { + kfree(cb); + num_buffers++; + } + if (num_buffers == coredev->num_buffers) + break; + if (++retry > 10) { + sms_info("exiting although " + "not all buffers released."); + break; + } + + sms_info("waiting for %d buffer(s)", + coredev->num_buffers - num_buffers); + msleep(100); + } + + sms_info("freed %d buffers", num_buffers); + + if (coredev->common_buffer) + dma_free_coherent(NULL, coredev->common_buffer_size, + coredev->common_buffer, + coredev->common_buffer_phys); + + list_del(&coredev->entry); + kfree(coredev); + + kmutex_unlock(&g_smscore_deviceslock); + + sms_info("device %p destroyed", coredev); +} + +static int smscore_detect_mode(struct smscore_device_t *coredev) +{ + void *buffer = kmalloc(sizeof(struct SmsMsgHdr_ST) + SMS_DMA_ALIGNMENT, + GFP_KERNEL | GFP_DMA); + struct SmsMsgHdr_ST *msg = + (struct SmsMsgHdr_ST *) SMS_ALIGN_ADDRESS(buffer); + int rc; + + if (!buffer) + return -ENOMEM; + + SMS_INIT_MSG(msg, MSG_SMS_GET_VERSION_EX_REQ, + sizeof(struct SmsMsgHdr_ST)); + + rc = smscore_sendrequest_and_wait(coredev, msg, msg->msgLength, + &coredev->version_ex_done); + if (rc == -ETIME) { + sms_err("MSG_SMS_GET_VERSION_EX_REQ failed first try"); + + if (wait_for_completion_timeout(&coredev->resume_done, + msecs_to_jiffies(5000))) { + rc = smscore_sendrequest_and_wait( + coredev, msg, msg->msgLength, + &coredev->version_ex_done); + if (rc < 0) + sms_err("MSG_SMS_GET_VERSION_EX_REQ failed " + "second try, rc %d", rc); + } else + rc = -ETIME; + } + + kfree(buffer); + + return rc; +} + +static char *smscore_fw_lkup[][SMS_NUM_OF_DEVICE_TYPES] = { + /*Stellar NOVA A0 Nova B0 VEGA*/ + /*DVBT*/ + {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, + /*DVBH*/ + {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, + /*TDMB*/ + {"none", "tdmb_nova_12mhz.inp", "none", "none"}, + /*DABIP*/ + {"none", "none", "none", "none"}, + /*BDA*/ + {"none", "dvb_nova_12mhz.inp", "dvb_nova_12mhz_b0.inp", "none"}, + /*ISDBT*/ + {"none", "isdbt_nova_12mhz.inp", "dvb_nova_12mhz.inp", "none"}, + /*ISDBTBDA*/ + {"none", "isdbt_nova_12mhz.inp", "isdbt_nova_12mhz_b0.inp", "none"}, + /*CMMB*/ + {"none", "none", "none", "cmmb_vega_12mhz.inp"} +}; + +static inline char *sms_get_fw_name(struct smscore_device_t *coredev, + int mode, enum sms_device_type_st type) +{ + char **fw = sms_get_board(smscore_get_board_id(coredev))->fw; + return (fw && fw[mode]) ? fw[mode] : smscore_fw_lkup[mode][type]; +} + +/** + * calls device handler to change mode of operation + * NOTE: stellar/usb may disconnect when changing mode + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * @param mode requested mode of operation + * + * @return 0 on success, <0 on error. + */ +int smscore_set_device_mode(struct smscore_device_t *coredev, int mode) +{ + void *buffer; + int rc = 0; + enum sms_device_type_st type; + + sms_debug("set device mode to %d", mode); + if (coredev->device_flags & SMS_DEVICE_FAMILY2) { + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_RAW_TUNER) { + sms_err("invalid mode specified %d", mode); + return -EINVAL; + } + + smscore_registry_setmode(coredev->devpath, mode); + + if (!(coredev->device_flags & SMS_DEVICE_NOT_READY)) { + rc = smscore_detect_mode(coredev); + if (rc < 0) { + sms_err("mode detect failed %d", rc); + return rc; + } + } + + if (coredev->mode == mode) { + sms_info("device mode %d already set", mode); + return 0; + } + + if (!(coredev->modes_supported & (1 << mode))) { + char *fw_filename; + + type = smscore_registry_gettype(coredev->devpath); + fw_filename = sms_get_fw_name(coredev, mode, type); + + rc = smscore_load_firmware_from_file(coredev, + fw_filename, NULL); + if (rc < 0) { + sms_warn("error %d loading firmware: %s, " + "trying again with default firmware", + rc, fw_filename); + + /* try again with the default firmware */ + fw_filename = smscore_fw_lkup[mode][type]; + rc = smscore_load_firmware_from_file(coredev, + fw_filename, NULL); + + if (rc < 0) { + sms_warn("error %d loading " + "firmware: %s", rc, + fw_filename); + return rc; + } + } + sms_log("firmware download success: %s", fw_filename); + } else + sms_info("mode %d supported by running " + "firmware", mode); + + buffer = kmalloc(sizeof(struct SmsMsgData_ST) + + SMS_DMA_ALIGNMENT, GFP_KERNEL | GFP_DMA); + if (buffer) { + struct SmsMsgData_ST *msg = + (struct SmsMsgData_ST *) + SMS_ALIGN_ADDRESS(buffer); + + SMS_INIT_MSG(&msg->xMsgHeader, MSG_SMS_INIT_DEVICE_REQ, + sizeof(struct SmsMsgData_ST)); + msg->msgData[0] = mode; + + rc = smscore_sendrequest_and_wait( + coredev, msg, msg->xMsgHeader.msgLength, + &coredev->init_device_done); + + kfree(buffer); + } else { + sms_err("Could not allocate buffer for " + "init device message."); + rc = -ENOMEM; + } + } else { + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { + sms_err("invalid mode specified %d", mode); + return -EINVAL; + } + + smscore_registry_setmode(coredev->devpath, mode); + + if (coredev->detectmode_handler) + coredev->detectmode_handler(coredev->context, + &coredev->mode); + + if (coredev->mode != mode && coredev->setmode_handler) + rc = coredev->setmode_handler(coredev->context, mode); + } + + if (rc >= 0) { + coredev->mode = mode; + coredev->device_flags &= ~SMS_DEVICE_NOT_READY; + } + + if (rc != 0) + sms_err("return error code %d.", rc); + return rc; +} + +/** + * calls device handler to get current mode of operation + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * + * @return current mode + */ +int smscore_get_device_mode(struct smscore_device_t *coredev) +{ + return coredev->mode; +} + +/** + * find client by response id & type within the clients list. + * return client handle or NULL. + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * @param data_type client data type (SMS_DONT_CARE for all types) + * @param id client id (SMS_DONT_CARE for all id) + * + */ +static struct +smscore_client_t *smscore_find_client(struct smscore_device_t *coredev, + int data_type, int id) +{ + struct smscore_client_t *client = NULL; + struct list_head *next, *first; + unsigned long flags; + struct list_head *firstid, *nextid; + + + spin_lock_irqsave(&coredev->clientslock, flags); + first = &coredev->clients; + for (next = first->next; + (next != first) && !client; + next = next->next) { + firstid = &((struct smscore_client_t *)next)->idlist; + for (nextid = firstid->next; + nextid != firstid; + nextid = nextid->next) { + if ((((struct smscore_idlist_t *)nextid)->id == id) && + (((struct smscore_idlist_t *)nextid)->data_type == data_type || + (((struct smscore_idlist_t *)nextid)->data_type == 0))) { + client = (struct smscore_client_t *) next; + break; + } + } + } + spin_unlock_irqrestore(&coredev->clientslock, flags); + return client; +} + +/** + * find client by response id/type, call clients onresponse handler + * return buffer to pool on error + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * @param cb pointer to response buffer descriptor + * + */ +void smscore_onresponse(struct smscore_device_t *coredev, + struct smscore_buffer_t *cb) +{ + struct SmsMsgHdr_ST *phdr = + (struct SmsMsgHdr_ST *)((u8 *) cb->p + cb->offset); + struct smscore_client_t *client = + smscore_find_client(coredev, phdr->msgType, phdr->msgDstId); + int rc = -EBUSY; + + static unsigned long last_sample_time; /* = 0; */ + static int data_total; /* = 0; */ + unsigned long time_now = jiffies_to_msecs(jiffies); + + if (!last_sample_time) + last_sample_time = time_now; + + if (time_now - last_sample_time > 10000) { + sms_debug("\ndata rate %d bytes/secs", + (int)((data_total * 1000) / + (time_now - last_sample_time))); + + last_sample_time = time_now; + data_total = 0; + } + + data_total += cb->size; + /* If no client registered for type & id, + * check for control client where type is not registered */ + if (client) + rc = client->onresponse_handler(client->context, cb); + + if (rc < 0) { + switch (phdr->msgType) { + case MSG_SMS_GET_VERSION_EX_RES: + { + struct SmsVersionRes_ST *ver = + (struct SmsVersionRes_ST *) phdr; + sms_debug("MSG_SMS_GET_VERSION_EX_RES " + "id %d prots 0x%x ver %d.%d", + ver->FirmwareId, ver->SupportedProtocols, + ver->RomVersionMajor, ver->RomVersionMinor); + + coredev->mode = ver->FirmwareId == 255 ? + DEVICE_MODE_NONE : ver->FirmwareId; + coredev->modes_supported = ver->SupportedProtocols; + + complete(&coredev->version_ex_done); + break; + } + case MSG_SMS_INIT_DEVICE_RES: + sms_debug("MSG_SMS_INIT_DEVICE_RES"); + complete(&coredev->init_device_done); + break; + case MSG_SW_RELOAD_START_RES: + sms_debug("MSG_SW_RELOAD_START_RES"); + complete(&coredev->reload_start_done); + break; + case MSG_SMS_DATA_DOWNLOAD_RES: + complete(&coredev->data_download_done); + break; + case MSG_SW_RELOAD_EXEC_RES: + sms_debug("MSG_SW_RELOAD_EXEC_RES"); + break; + case MSG_SMS_SWDOWNLOAD_TRIGGER_RES: + sms_debug("MSG_SMS_SWDOWNLOAD_TRIGGER_RES"); + complete(&coredev->trigger_done); + break; + case MSG_SMS_SLEEP_RESUME_COMP_IND: + complete(&coredev->resume_done); + break; + default: + break; + } + smscore_putbuffer(coredev, cb); + } +} + +/** + * return pointer to next free buffer descriptor from core pool + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * + * @return pointer to descriptor on success, NULL on error. + */ +struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev) +{ + struct smscore_buffer_t *cb = NULL; + unsigned long flags; + + spin_lock_irqsave(&coredev->bufferslock, flags); + + if (!list_empty(&coredev->buffers)) { + cb = (struct smscore_buffer_t *) coredev->buffers.next; + list_del(&cb->entry); + } + + spin_unlock_irqrestore(&coredev->bufferslock, flags); + + return cb; +} + +/** + * return buffer descriptor to a pool + * + * @param coredev pointer to a coredev object returned by + * smscore_register_device + * @param cb pointer buffer descriptor + * + */ +void smscore_putbuffer(struct smscore_device_t *coredev, + struct smscore_buffer_t *cb) +{ + list_add_locked(&cb->entry, &coredev->buffers, &coredev->bufferslock); +} + +static int smscore_validate_client(struct smscore_device_t *coredev, + struct smscore_client_t *client, + int data_type, int id) +{ + struct smscore_idlist_t *listentry; + struct smscore_client_t *registered_client; + + if (!client) { + sms_err("bad parameter."); + return -EFAULT; + } + registered_client = smscore_find_client(coredev, data_type, id); + if (registered_client == client) + return 0; + + if (registered_client) { + sms_err("The msg ID already registered to another client."); + return -EEXIST; + } + listentry = kzalloc(sizeof(struct smscore_idlist_t), GFP_KERNEL); + if (!listentry) { + sms_err("Can't allocate memory for client id."); + return -ENOMEM; + } + listentry->id = id; + listentry->data_type = data_type; + list_add_locked(&listentry->entry, &client->idlist, + &coredev->clientslock); + return 0; +} + +/** + * creates smsclient object, check that id is taken by another client + * + * @param coredev pointer to a coredev object from clients hotplug + * @param initial_id all messages with this id would be sent to this client + * @param data_type all messages of this type would be sent to this client + * @param onresponse_handler client handler that is called to + * process incoming messages + * @param onremove_handler client handler that is called when device is removed + * @param context client-specific context + * @param client pointer to a value that receives created smsclient object + * + * @return 0 on success, <0 on error. + */ +int smscore_register_client(struct smscore_device_t *coredev, + struct smsclient_params_t *params, + struct smscore_client_t **client) +{ + struct smscore_client_t *newclient; + /* check that no other channel with same parameters exists */ + if (smscore_find_client(coredev, params->data_type, + params->initial_id)) { + sms_err("Client already exist."); + return -EEXIST; + } + + newclient = kzalloc(sizeof(struct smscore_client_t), GFP_KERNEL); + if (!newclient) { + sms_err("Failed to allocate memory for client."); + return -ENOMEM; + } + + INIT_LIST_HEAD(&newclient->idlist); + newclient->coredev = coredev; + newclient->onresponse_handler = params->onresponse_handler; + newclient->onremove_handler = params->onremove_handler; + newclient->context = params->context; + list_add_locked(&newclient->entry, &coredev->clients, + &coredev->clientslock); + smscore_validate_client(coredev, newclient, params->data_type, + params->initial_id); + *client = newclient; + sms_debug("%p %d %d", params->context, params->data_type, + params->initial_id); + + return 0; +} + +/** + * frees smsclient object and all subclients associated with it + * + * @param client pointer to smsclient object returned by + * smscore_register_client + * + */ +void smscore_unregister_client(struct smscore_client_t *client) +{ + struct smscore_device_t *coredev = client->coredev; + unsigned long flags; + + spin_lock_irqsave(&coredev->clientslock, flags); + + + while (!list_empty(&client->idlist)) { + struct smscore_idlist_t *identry = + (struct smscore_idlist_t *) client->idlist.next; + list_del(&identry->entry); + kfree(identry); + } + + sms_info("%p", client->context); + + list_del(&client->entry); + kfree(client); + + spin_unlock_irqrestore(&coredev->clientslock, flags); +} + +/** + * verifies that source id is not taken by another client, + * calls device handler to send requests to the device + * + * @param client pointer to smsclient object returned by + * smscore_register_client + * @param buffer pointer to a request buffer + * @param size size (in bytes) of request buffer + * + * @return 0 on success, <0 on error. + */ +int smsclient_sendrequest(struct smscore_client_t *client, + void *buffer, size_t size) +{ + struct smscore_device_t *coredev; + struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) buffer; + int rc; + + if (client == NULL) { + sms_err("Got NULL client"); + return -EINVAL; + } + + coredev = client->coredev; + + /* check that no other channel with same id exists */ + if (coredev == NULL) { + sms_err("Got NULL coredev"); + return -EINVAL; + } + + rc = smscore_validate_client(client->coredev, client, 0, + phdr->msgSrcId); + if (rc < 0) + return rc; + + return coredev->sendrequest_handler(coredev->context, buffer, size); +} + + +int smscore_module_init(void) +{ + int rc = 0; + + INIT_LIST_HEAD(&g_smscore_notifyees); + INIT_LIST_HEAD(&g_smscore_devices); + kmutex_init(&g_smscore_deviceslock); + + INIT_LIST_HEAD(&g_smscore_registry); + kmutex_init(&g_smscore_registrylock); + + /* USB Register */ + rc = smsusb_register(); + + /* DVB Register */ + rc = smsdvb_register(); + + sms_debug("rc %d", rc); + + return rc; +} + +void smscore_module_exit(void) +{ + + kmutex_lock(&g_smscore_deviceslock); + while (!list_empty(&g_smscore_notifyees)) { + struct smscore_device_notifyee_t *notifyee = + (struct smscore_device_notifyee_t *) + g_smscore_notifyees.next; + + list_del(¬ifyee->entry); + kfree(notifyee); + } + kmutex_unlock(&g_smscore_deviceslock); + + kmutex_lock(&g_smscore_registrylock); + while (!list_empty(&g_smscore_registry)) { + struct smscore_registry_entry_t *entry = + (struct smscore_registry_entry_t *) + g_smscore_registry.next; + + list_del(&entry->entry); + kfree(entry); + } + kmutex_unlock(&g_smscore_registrylock); + + /* DVB UnRegister */ + smsdvb_unregister(); + + /* Unregister USB */ + smsusb_unregister(); + + sms_debug(""); +} + +module_init(smscore_module_init); +module_exit(smscore_module_exit); + +MODULE_DESCRIPTION("Driver for the Siano SMS1XXX USB dongle"); +MODULE_AUTHOR("Siano Mobile Silicon,,, (doronc@siano-ms.com)"); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/dvb/siano/smscoreapi.h b/drivers/media/dvb/siano/smscoreapi.h new file mode 100644 index 000000000000..c1f8f1dccb11 --- /dev/null +++ b/drivers/media/dvb/siano/smscoreapi.h @@ -0,0 +1,434 @@ +/* + * Driver for the Siano SMS1xxx USB dongle + * + * author: Anatoly Greenblat + * + * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation; + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#ifndef __smscoreapi_h__ +#define __smscoreapi_h__ + +#include <linux/version.h> +#include <linux/device.h> +#include <linux/list.h> +#include <linux/mm.h> +#include <linux/scatterlist.h> +#include <linux/types.h> +#include <asm/page.h> + +#include "dmxdev.h" +#include "dvbdev.h" +#include "dvb_demux.h" +#include "dvb_frontend.h" + +#include <linux/mutex.h> + +#define kmutex_init(_p_) mutex_init(_p_) +#define kmutex_lock(_p_) mutex_lock(_p_) +#define kmutex_trylock(_p_) mutex_trylock(_p_) +#define kmutex_unlock(_p_) mutex_unlock(_p_) + +#ifndef min +#define min(a, b) (((a) < (b)) ? (a) : (b)) +#endif + +#define SMS_ALLOC_ALIGNMENT 128 +#define SMS_DMA_ALIGNMENT 16 +#define SMS_ALIGN_ADDRESS(addr) \ + ((((uintptr_t)(addr)) + (SMS_DMA_ALIGNMENT-1)) & ~(SMS_DMA_ALIGNMENT-1)) + +#define SMS_DEVICE_FAMILY2 1 +#define SMS_ROM_NO_RESPONSE 2 +#define SMS_DEVICE_NOT_READY 0x8000000 + +enum sms_device_type_st { + SMS_STELLAR = 0, + SMS_NOVA_A0, + SMS_NOVA_B0, + SMS_VEGA, + SMS_NUM_OF_DEVICE_TYPES +}; + +struct smscore_device_t; +struct smscore_client_t; +struct smscore_buffer_t; + +typedef int (*hotplug_t)(struct smscore_device_t *coredev, + struct device *device, int arrival); + +typedef int (*setmode_t)(void *context, int mode); +typedef void (*detectmode_t)(void *context, int *mode); +typedef int (*sendrequest_t)(void *context, void *buffer, size_t size); +typedef int (*loadfirmware_t)(void *context, void *buffer, size_t size); +typedef int (*preload_t)(void *context); +typedef int (*postload_t)(void *context); + +typedef int (*onresponse_t)(void *context, struct smscore_buffer_t *cb); +typedef void (*onremove_t)(void *context); + +struct smscore_buffer_t { + /* public members, once passed to clients can be changed freely */ + struct list_head entry; + int size; + int offset; + + /* private members, read-only for clients */ + void *p; + dma_addr_t phys; + unsigned long offset_in_common; +}; + +struct smsdevice_params_t { + struct device *device; + + int buffer_size; + int num_buffers; + + char devpath[32]; + unsigned long flags; + + setmode_t setmode_handler; + detectmode_t detectmode_handler; + sendrequest_t sendrequest_handler; + preload_t preload_handler; + postload_t postload_handler; + + void *context; + enum sms_device_type_st device_type; +}; + +struct smsclient_params_t { + int initial_id; + int data_type; + onresponse_t onresponse_handler; + onremove_t onremove_handler; + + void *context; +}; + +/* GPIO definitions for antenna frequency domain control (SMS8021) */ +#define SMS_ANTENNA_GPIO_0 1 +#define SMS_ANTENNA_GPIO_1 0 + +#define BW_8_MHZ 0 +#define BW_7_MHZ 1 +#define BW_6_MHZ 2 +#define BW_5_MHZ 3 +#define BW_ISDBT_1SEG 4 +#define BW_ISDBT_3SEG 5 + +#define MSG_HDR_FLAG_SPLIT_MSG 4 + +#define MAX_GPIO_PIN_NUMBER 31 + +#define HIF_TASK 11 +#define SMS_HOST_LIB 150 +#define DVBT_BDA_CONTROL_MSG_ID 201 + +#define SMS_MAX_PAYLOAD_SIZE 240 +#define SMS_TUNE_TIMEOUT 500 + +#define MSG_SMS_GPIO_CONFIG_REQ 507 +#define MSG_SMS_GPIO_CONFIG_RES 508 +#define MSG_SMS_GPIO_SET_LEVEL_REQ 509 +#define MSG_SMS_GPIO_SET_LEVEL_RES 510 +#define MSG_SMS_GPIO_GET_LEVEL_REQ 511 +#define MSG_SMS_GPIO_GET_LEVEL_RES 512 +#define MSG_SMS_RF_TUNE_REQ 561 +#define MSG_SMS_RF_TUNE_RES 562 +#define MSG_SMS_INIT_DEVICE_REQ 578 +#define MSG_SMS_INIT_DEVICE_RES 579 +#define MSG_SMS_ADD_PID_FILTER_REQ 601 +#define MSG_SMS_ADD_PID_FILTER_RES 602 +#define MSG_SMS_REMOVE_PID_FILTER_REQ 603 +#define MSG_SMS_REMOVE_PID_FILTER_RES 604 +#define MSG_SMS_DAB_CHANNEL 607 +#define MSG_SMS_GET_PID_FILTER_LIST_REQ 608 +#define MSG_SMS_GET_PID_FILTER_LIST_RES 609 +#define MSG_SMS_GET_STATISTICS_REQ 615 +#define MSG_SMS_GET_STATISTICS_RES 616 +#define MSG_SMS_SET_ANTENNA_CONFIG_REQ 651 +#define MSG_SMS_SET_ANTENNA_CONFIG_RES 652 +#define MSG_SMS_GET_STATISTICS_EX_REQ 653 +#define MSG_SMS_GET_STATISTICS_EX_RES 654 +#define MSG_SMS_SLEEP_RESUME_COMP_IND 655 +#define MSG_SMS_DATA_DOWNLOAD_REQ 660 +#define MSG_SMS_DATA_DOWNLOAD_RES 661 +#define MSG_SMS_SWDOWNLOAD_TRIGGER_REQ 664 +#define MSG_SMS_SWDOWNLOAD_TRIGGER_RES 665 +#define MSG_SMS_SWDOWNLOAD_BACKDOOR_REQ 666 +#define MSG_SMS_SWDOWNLOAD_BACKDOOR_RES 667 +#define MSG_SMS_GET_VERSION_EX_REQ 668 +#define MSG_SMS_GET_VERSION_EX_RES 669 +#define MSG_SMS_SET_CLOCK_OUTPUT_REQ 670 +#define MSG_SMS_I2C_SET_FREQ_REQ 685 +#define MSG_SMS_GENERIC_I2C_REQ 687 +#define MSG_SMS_GENERIC_I2C_RES 688 +#define MSG_SMS_DVBT_BDA_DATA 693 +#define MSG_SW_RELOAD_REQ 697 +#define MSG_SMS_DATA_MSG 699 +#define MSG_SW_RELOAD_START_REQ 702 +#define MSG_SW_RELOAD_START_RES 703 +#define MSG_SW_RELOAD_EXEC_REQ 704 +#define MSG_SW_RELOAD_EXEC_RES 705 +#define MSG_SMS_SPI_INT_LINE_SET_REQ 710 +#define MSG_SMS_ISDBT_TUNE_REQ 776 +#define MSG_SMS_ISDBT_TUNE_RES 777 + +#define SMS_INIT_MSG_EX(ptr, type, src, dst, len) do { \ + (ptr)->msgType = type; (ptr)->msgSrcId = src; (ptr)->msgDstId = dst; \ + (ptr)->msgLength = len; (ptr)->msgFlags = 0; \ +} while (0) +#define SMS_INIT_MSG(ptr, type, len) \ + SMS_INIT_MSG_EX(ptr, type, 0, HIF_TASK, len) + +enum SMS_DEVICE_MODE { + DEVICE_MODE_NONE = -1, + DEVICE_MODE_DVBT = 0, + DEVICE_MODE_DVBH, + DEVICE_MODE_DAB_TDMB, + DEVICE_MODE_DAB_TDMB_DABIP, + DEVICE_MODE_DVBT_BDA, + DEVICE_MODE_ISDBT, + DEVICE_MODE_ISDBT_BDA, + DEVICE_MODE_CMMB, + DEVICE_MODE_RAW_TUNER, + DEVICE_MODE_MAX, +}; + +struct SmsMsgHdr_ST { + u16 msgType; + u8 msgSrcId; + u8 msgDstId; + u16 msgLength; /* Length of entire message, including header */ + u16 msgFlags; +}; + +struct SmsMsgData_ST { + struct SmsMsgHdr_ST xMsgHeader; + u32 msgData[1]; +}; + +struct SmsDataDownload_ST { + struct SmsMsgHdr_ST xMsgHeader; + u32 MemAddr; + u8 Payload[SMS_MAX_PAYLOAD_SIZE]; +}; + +struct SmsVersionRes_ST { + struct SmsMsgHdr_ST xMsgHeader; + + u16 ChipModel; /* e.g. 0x1102 for SMS-1102 "Nova" */ + u8 Step; /* 0 - Step A */ + u8 MetalFix; /* 0 - Metal 0 */ + + u8 FirmwareId; /* 0xFF � ROM, otherwise the + * value indicated by + * SMSHOSTLIB_DEVICE_MODES_E */ + u8 SupportedProtocols; /* Bitwise OR combination of + * supported protocols */ + + u8 VersionMajor; + u8 VersionMinor; + u8 VersionPatch; + u8 VersionFieldPatch; + + u8 RomVersionMajor; + u8 RomVersionMinor; + u8 RomVersionPatch; + u8 RomVersionFieldPatch; + + u8 TextLabel[34]; +}; + +struct SmsFirmware_ST { + u32 CheckSum; + u32 Length; + u32 StartAddress; + u8 Payload[1]; +}; + +struct SMSHOSTLIB_STATISTICS_ST { + u32 Reserved; /* Reserved */ + + /* Common parameters */ + u32 IsRfLocked; /* 0 - not locked, 1 - locked */ + u32 IsDemodLocked; /* 0 - not locked, 1 - locked */ + u32 IsExternalLNAOn; /* 0 - external LNA off, 1 - external LNA on */ + + /* Reception quality */ + s32 SNR; /* dB */ + u32 BER; /* Post Viterbi BER [1E-5] */ + u32 FIB_CRC; /* CRC errors percentage, valid only for DAB */ + u32 TS_PER; /* Transport stream PER, 0xFFFFFFFF indicate N/A, + * valid only for DVB-T/H */ + u32 MFER; /* DVB-H frame error rate in percentage, + * 0xFFFFFFFF indicate N/A, valid only for DVB-H */ + s32 RSSI; /* dBm */ + s32 InBandPwr; /* In band power in dBM */ + s32 CarrierOffset; /* Carrier Offset in bin/1024 */ + + /* Transmission parameters, valid only for DVB-T/H */ + u32 Frequency; /* Frequency in Hz */ + u32 Bandwidth; /* Bandwidth in MHz */ + u32 TransmissionMode; /* Transmission Mode, for DAB modes 1-4, + * for DVB-T/H FFT mode carriers in Kilos */ + u32 ModemState; /* from SMS_DvbModemState_ET */ + u32 GuardInterval; /* Guard Interval, 1 divided by value */ + u32 CodeRate; /* Code Rate from SMS_DvbModemState_ET */ + u32 LPCodeRate; /* Low Priority Code Rate from SMS_DvbModemState_ET */ + u32 Hierarchy; /* Hierarchy from SMS_Hierarchy_ET */ + u32 Constellation; /* Constellation from SMS_Constellation_ET */ + + /* Burst parameters, valid only for DVB-H */ + u32 BurstSize; /* Current burst size in bytes */ + u32 BurstDuration; /* Current burst duration in mSec */ + u32 BurstCycleTime; /* Current burst cycle time in mSec */ + u32 CalculatedBurstCycleTime; /* Current burst cycle time in mSec, + * as calculated by demodulator */ + u32 NumOfRows; /* Number of rows in MPE table */ + u32 NumOfPaddCols; /* Number of padding columns in MPE table */ + u32 NumOfPunctCols; /* Number of puncturing columns in MPE table */ + /* Burst parameters */ + u32 ErrorTSPackets; /* Number of erroneous transport-stream packets */ + u32 TotalTSPackets; /* Total number of transport-stream packets */ + u32 NumOfValidMpeTlbs; /* Number of MPE tables which do not include + * errors after MPE RS decoding */ + u32 NumOfInvalidMpeTlbs; /* Number of MPE tables which include errors + * after MPE RS decoding */ + u32 NumOfCorrectedMpeTlbs; /* Number of MPE tables which were corrected + * by MPE RS decoding */ + + /* Common params */ + u32 BERErrorCount; /* Number of errornous SYNC bits. */ + u32 BERBitCount; /* Total number of SYNC bits. */ + + /* Interface information */ + u32 SmsToHostTxErrors; /* Total number of transmission errors. */ + + /* DAB/T-DMB */ + u32 PreBER; /* DAB/T-DMB only: Pre Viterbi BER [1E-5] */ + + /* DVB-H TPS parameters */ + u32 CellId; /* TPS Cell ID in bits 15..0, bits 31..16 zero; + * if set to 0xFFFFFFFF cell_id not yet recovered */ + +}; + +struct SmsMsgStatisticsInfo_ST { + u32 RequestResult; + + struct SMSHOSTLIB_STATISTICS_ST Stat; + + /* Split the calc of the SNR in DAB */ + u32 Signal; /* dB */ + u32 Noise; /* dB */ + +}; + + +struct smsdvb_client_t { + struct list_head entry; + + struct smscore_device_t *coredev; + struct smscore_client_t *smsclient; + + struct dvb_adapter adapter; + struct dvb_demux demux; + struct dmxdev dmxdev; + struct dvb_frontend frontend; + + fe_status_t fe_status; + int fe_ber, fe_snr, fe_signal_strength; + + struct completion tune_done, stat_done; + + /* todo: save freq/band instead whole struct */ + struct dvb_frontend_parameters fe_params; + +}; + +extern void smscore_registry_setmode(char *devpath, int mode); +extern int smscore_registry_getmode(char *devpath); + +extern int smscore_register_hotplug(hotplug_t hotplug); +extern void smscore_unregister_hotplug(hotplug_t hotplug); + +extern int smscore_register_device(struct smsdevice_params_t *params, + struct smscore_device_t **coredev); +extern void smscore_unregister_device(struct smscore_device_t *coredev); + +extern int smscore_start_device(struct smscore_device_t *coredev); +extern int smscore_load_firmware(struct smscore_device_t *coredev, + char *filename, + loadfirmware_t loadfirmware_handler); + +extern int smscore_set_device_mode(struct smscore_device_t *coredev, int mode); +extern int smscore_get_device_mode(struct smscore_device_t *coredev); + +extern int smscore_register_client(struct smscore_device_t *coredev, + struct smsclient_params_t *params, + struct smscore_client_t **client); +extern void smscore_unregister_client(struct smscore_client_t *client); + +extern int smsclient_sendrequest(struct smscore_client_t *client, + void *buffer, size_t size); +extern void smscore_onresponse(struct smscore_device_t *coredev, + struct smscore_buffer_t *cb); + + +extern +struct smscore_buffer_t *smscore_getbuffer(struct smscore_device_t *coredev); +extern void smscore_putbuffer(struct smscore_device_t *coredev, + struct smscore_buffer_t *cb); + +void smscore_set_board_id(struct smscore_device_t *core, int id); +int smscore_get_board_id(struct smscore_device_t *core); + +/* smsdvb.c */ +int smsdvb_register(void); +void smsdvb_unregister(void); + +/* smsusb.c */ +int smsusb_register(void); +void smsusb_unregister(void); + +/* ------------------------------------------------------------------------ */ + +extern int sms_debug; + +#define DBG_INFO 1 +#define DBG_ADV 2 + +#define sms_printk(kern, fmt, arg...) \ + printk(kern "%s: " fmt "\n", __func__, ##arg) + +#define dprintk(kern, lvl, fmt, arg...) do {\ + if (sms_debug & lvl) \ + sms_printk(kern, fmt, ##arg); } while (0) + +#define sms_log(fmt, arg...) sms_printk(KERN_INFO, fmt, ##arg) +#define sms_err(fmt, arg...) \ + sms_printk(KERN_ERR, "line: %d: " fmt, __LINE__, ##arg) +#define sms_warn(fmt, arg...) sms_printk(KERN_WARNING, fmt, ##arg) +#define sms_info(fmt, arg...) \ + dprintk(KERN_INFO, DBG_INFO, fmt, ##arg) +#define sms_debug(fmt, arg...) \ + dprintk(KERN_DEBUG, DBG_ADV, fmt, ##arg) + + +#endif /* __smscoreapi_h__ */ diff --git a/drivers/media/dvb/siano/smsdvb.c b/drivers/media/dvb/siano/smsdvb.c new file mode 100644 index 000000000000..6f9c18563867 --- /dev/null +++ b/drivers/media/dvb/siano/smsdvb.c @@ -0,0 +1,449 @@ +/* + * Driver for the Siano SMS1xxx USB dongle + * + * author: Anatoly Greenblat + * + * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation; + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/module.h> +#include <linux/init.h> + +#include "smscoreapi.h" +#include "sms-cards.h" + +DVB_DEFINE_MOD_OPT_ADAPTER_NR(adapter_nr); + +struct list_head g_smsdvb_clients; +struct mutex g_smsdvb_clientslock; + +static int smsdvb_onresponse(void *context, struct smscore_buffer_t *cb) +{ + struct smsdvb_client_t *client = (struct smsdvb_client_t *) context; + struct SmsMsgHdr_ST *phdr = + (struct SmsMsgHdr_ST *)(((u8 *) cb->p) + cb->offset); + + switch (phdr->msgType) { + case MSG_SMS_DVBT_BDA_DATA: + dvb_dmx_swfilter(&client->demux, (u8 *)(phdr + 1), + cb->size - sizeof(struct SmsMsgHdr_ST)); + break; + + case MSG_SMS_RF_TUNE_RES: + complete(&client->tune_done); + break; + + case MSG_SMS_GET_STATISTICS_RES: + { + struct SmsMsgStatisticsInfo_ST *p = + (struct SmsMsgStatisticsInfo_ST *)(phdr + 1); + + if (p->Stat.IsDemodLocked) { + client->fe_status = FE_HAS_SIGNAL | + FE_HAS_CARRIER | + FE_HAS_VITERBI | + FE_HAS_SYNC | + FE_HAS_LOCK; + + client->fe_snr = p->Stat.SNR; + client->fe_ber = p->Stat.BER; + + if (p->Stat.InBandPwr < -95) + client->fe_signal_strength = 0; + else if (p->Stat.InBandPwr > -29) + client->fe_signal_strength = 100; + else + client->fe_signal_strength = + (p->Stat.InBandPwr + 95) * 3 / 2; + } else { + client->fe_status = 0; + client->fe_snr = + client->fe_ber = + client->fe_signal_strength = 0; + } + + complete(&client->stat_done); + break; + } } + + smscore_putbuffer(client->coredev, cb); + + return 0; +} + +static void smsdvb_unregister_client(struct smsdvb_client_t *client) +{ + /* must be called under clientslock */ + + list_del(&client->entry); + + smscore_unregister_client(client->smsclient); + dvb_unregister_frontend(&client->frontend); + dvb_dmxdev_release(&client->dmxdev); + dvb_dmx_release(&client->demux); + dvb_unregister_adapter(&client->adapter); + kfree(client); +} + +static void smsdvb_onremove(void *context) +{ + kmutex_lock(&g_smsdvb_clientslock); + + smsdvb_unregister_client((struct smsdvb_client_t *) context); + + kmutex_unlock(&g_smsdvb_clientslock); +} + +static int smsdvb_start_feed(struct dvb_demux_feed *feed) +{ + struct smsdvb_client_t *client = + container_of(feed->demux, struct smsdvb_client_t, demux); + struct SmsMsgData_ST PidMsg; + + sms_debug("add pid %d(%x)", + feed->pid, feed->pid); + + PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + PidMsg.xMsgHeader.msgDstId = HIF_TASK; + PidMsg.xMsgHeader.msgFlags = 0; + PidMsg.xMsgHeader.msgType = MSG_SMS_ADD_PID_FILTER_REQ; + PidMsg.xMsgHeader.msgLength = sizeof(PidMsg); + PidMsg.msgData[0] = feed->pid; + + return smsclient_sendrequest(client->smsclient, + &PidMsg, sizeof(PidMsg)); +} + +static int smsdvb_stop_feed(struct dvb_demux_feed *feed) +{ + struct smsdvb_client_t *client = + container_of(feed->demux, struct smsdvb_client_t, demux); + struct SmsMsgData_ST PidMsg; + + sms_debug("remove pid %d(%x)", + feed->pid, feed->pid); + + PidMsg.xMsgHeader.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + PidMsg.xMsgHeader.msgDstId = HIF_TASK; + PidMsg.xMsgHeader.msgFlags = 0; + PidMsg.xMsgHeader.msgType = MSG_SMS_REMOVE_PID_FILTER_REQ; + PidMsg.xMsgHeader.msgLength = sizeof(PidMsg); + PidMsg.msgData[0] = feed->pid; + + return smsclient_sendrequest(client->smsclient, + &PidMsg, sizeof(PidMsg)); +} + +static int smsdvb_sendrequest_and_wait(struct smsdvb_client_t *client, + void *buffer, size_t size, + struct completion *completion) +{ + int rc = smsclient_sendrequest(client->smsclient, buffer, size); + if (rc < 0) + return rc; + + return wait_for_completion_timeout(completion, + msecs_to_jiffies(2000)) ? + 0 : -ETIME; +} + +static int smsdvb_send_statistics_request(struct smsdvb_client_t *client) +{ + struct SmsMsgHdr_ST Msg = { MSG_SMS_GET_STATISTICS_REQ, + DVBT_BDA_CONTROL_MSG_ID, + HIF_TASK, sizeof(struct SmsMsgHdr_ST), 0 }; + return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), + &client->stat_done); +} + +static int smsdvb_read_status(struct dvb_frontend *fe, fe_status_t *stat) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + int rc = smsdvb_send_statistics_request(client); + + if (!rc) + *stat = client->fe_status; + + return rc; +} + +static int smsdvb_read_ber(struct dvb_frontend *fe, u32 *ber) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + int rc = smsdvb_send_statistics_request(client); + + if (!rc) + *ber = client->fe_ber; + + return rc; +} + +static int smsdvb_read_signal_strength(struct dvb_frontend *fe, u16 *strength) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + int rc = smsdvb_send_statistics_request(client); + + if (!rc) + *strength = client->fe_signal_strength; + + return rc; +} + +static int smsdvb_read_snr(struct dvb_frontend *fe, u16 *snr) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + int rc = smsdvb_send_statistics_request(client); + + if (!rc) + *snr = client->fe_snr; + + return rc; +} + +static int smsdvb_get_tune_settings(struct dvb_frontend *fe, + struct dvb_frontend_tune_settings *tune) +{ + sms_debug(""); + + tune->min_delay_ms = 400; + tune->step_size = 250000; + tune->max_drift = 0; + return 0; +} + +static int smsdvb_set_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + + struct { + struct SmsMsgHdr_ST Msg; + u32 Data[3]; + } Msg; + + Msg.Msg.msgSrcId = DVBT_BDA_CONTROL_MSG_ID; + Msg.Msg.msgDstId = HIF_TASK; + Msg.Msg.msgFlags = 0; + Msg.Msg.msgType = MSG_SMS_RF_TUNE_REQ; + Msg.Msg.msgLength = sizeof(Msg); + Msg.Data[0] = fep->frequency; + Msg.Data[2] = 12000000; + + sms_debug("freq %d band %d", + fep->frequency, fep->u.ofdm.bandwidth); + + switch (fep->u.ofdm.bandwidth) { + case BANDWIDTH_8_MHZ: Msg.Data[1] = BW_8_MHZ; break; + case BANDWIDTH_7_MHZ: Msg.Data[1] = BW_7_MHZ; break; + case BANDWIDTH_6_MHZ: Msg.Data[1] = BW_6_MHZ; break; + case BANDWIDTH_AUTO: return -EOPNOTSUPP; + default: return -EINVAL; + } + + return smsdvb_sendrequest_and_wait(client, &Msg, sizeof(Msg), + &client->tune_done); +} + +static int smsdvb_get_frontend(struct dvb_frontend *fe, + struct dvb_frontend_parameters *fep) +{ + struct smsdvb_client_t *client = + container_of(fe, struct smsdvb_client_t, frontend); + + sms_debug(""); + + /* todo: */ + memcpy(fep, &client->fe_params, + sizeof(struct dvb_frontend_parameters)); + return 0; +} + +static void smsdvb_release(struct dvb_frontend *fe) +{ + /* do nothing */ +} + +static struct dvb_frontend_ops smsdvb_fe_ops = { + .info = { + .name = "Siano Mobile Digital SMS1xxx", + .type = FE_OFDM, + .frequency_min = 44250000, + .frequency_max = 867250000, + .frequency_stepsize = 250000, + .caps = FE_CAN_INVERSION_AUTO | + FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 | FE_CAN_FEC_3_4 | + FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 | FE_CAN_FEC_AUTO | + FE_CAN_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | + FE_CAN_QAM_AUTO | FE_CAN_TRANSMISSION_MODE_AUTO | + FE_CAN_GUARD_INTERVAL_AUTO | + FE_CAN_RECOVER | + FE_CAN_HIERARCHY_AUTO, + }, + + .release = smsdvb_release, + + .set_frontend = smsdvb_set_frontend, + .get_frontend = smsdvb_get_frontend, + .get_tune_settings = smsdvb_get_tune_settings, + + .read_status = smsdvb_read_status, + .read_ber = smsdvb_read_ber, + .read_signal_strength = smsdvb_read_signal_strength, + .read_snr = smsdvb_read_snr, +}; + +static int smsdvb_hotplug(struct smscore_device_t *coredev, + struct device *device, int arrival) +{ + struct smsclient_params_t params; + struct smsdvb_client_t *client; + int rc; + + /* device removal handled by onremove callback */ + if (!arrival) + return 0; + + if (smscore_get_device_mode(coredev) != 4) { + sms_err("SMS Device mode is not set for " + "DVB operation."); + return 0; + } + + client = kzalloc(sizeof(struct smsdvb_client_t), GFP_KERNEL); + if (!client) { + sms_err("kmalloc() failed"); + return -ENOMEM; + } + + /* register dvb adapter */ + rc = dvb_register_adapter(&client->adapter, + sms_get_board( + smscore_get_board_id(coredev))->name, + THIS_MODULE, device, adapter_nr); + if (rc < 0) { + sms_err("dvb_register_adapter() failed %d", rc); + goto adapter_error; + } + + /* init dvb demux */ + client->demux.dmx.capabilities = DMX_TS_FILTERING; + client->demux.filternum = 32; /* todo: nova ??? */ + client->demux.feednum = 32; + client->demux.start_feed = smsdvb_start_feed; + client->demux.stop_feed = smsdvb_stop_feed; + + rc = dvb_dmx_init(&client->demux); + if (rc < 0) { + sms_err("dvb_dmx_init failed %d", rc); + goto dvbdmx_error; + } + + /* init dmxdev */ + client->dmxdev.filternum = 32; + client->dmxdev.demux = &client->demux.dmx; + client->dmxdev.capabilities = 0; + + rc = dvb_dmxdev_init(&client->dmxdev, &client->adapter); + if (rc < 0) { + sms_err("dvb_dmxdev_init failed %d", rc); + goto dmxdev_error; + } + + /* init and register frontend */ + memcpy(&client->frontend.ops, &smsdvb_fe_ops, + sizeof(struct dvb_frontend_ops)); + + rc = dvb_register_frontend(&client->adapter, &client->frontend); + if (rc < 0) { + sms_err("frontend registration failed %d", rc); + goto frontend_error; + } + + params.initial_id = 1; + params.data_type = MSG_SMS_DVBT_BDA_DATA; + params.onresponse_handler = smsdvb_onresponse; + params.onremove_handler = smsdvb_onremove; + params.context = client; + + rc = smscore_register_client(coredev, ¶ms, &client->smsclient); + if (rc < 0) { + sms_err("smscore_register_client() failed %d", rc); + goto client_error; + } + + client->coredev = coredev; + + init_completion(&client->tune_done); + init_completion(&client->stat_done); + + kmutex_lock(&g_smsdvb_clientslock); + + list_add(&client->entry, &g_smsdvb_clients); + + kmutex_unlock(&g_smsdvb_clientslock); + + sms_info("success"); + + return 0; + +client_error: + dvb_unregister_frontend(&client->frontend); + +frontend_error: + dvb_dmxdev_release(&client->dmxdev); + +dmxdev_error: + dvb_dmx_release(&client->demux); + +dvbdmx_error: + dvb_unregister_adapter(&client->adapter); + +adapter_error: + kfree(client); + return rc; +} + +int smsdvb_register(void) +{ + int rc; + + INIT_LIST_HEAD(&g_smsdvb_clients); + kmutex_init(&g_smsdvb_clientslock); + + rc = smscore_register_hotplug(smsdvb_hotplug); + + sms_debug(""); + + return rc; +} + +void smsdvb_unregister(void) +{ + smscore_unregister_hotplug(smsdvb_hotplug); + + kmutex_lock(&g_smsdvb_clientslock); + + while (!list_empty(&g_smsdvb_clients)) + smsdvb_unregister_client( + (struct smsdvb_client_t *) g_smsdvb_clients.next); + + kmutex_unlock(&g_smsdvb_clientslock); +} diff --git a/drivers/media/dvb/siano/smsusb.c b/drivers/media/dvb/siano/smsusb.c new file mode 100644 index 000000000000..c10b1849c6a3 --- /dev/null +++ b/drivers/media/dvb/siano/smsusb.c @@ -0,0 +1,459 @@ +/* + * Driver for the Siano SMS1xxx USB dongle + * + * author: Anatoly Greenblat + * + * Copyright (c), 2005-2008 Siano Mobile Silicon, Inc. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 3 as + * published by the Free Software Foundation; + * + * Software distributed under the License is distributed on an "AS IS" + * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. + * + * See the GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/usb.h> +#include <linux/firmware.h> + +#include "smscoreapi.h" +#include "sms-cards.h" + +#define USB1_BUFFER_SIZE 0x1000 +#define USB2_BUFFER_SIZE 0x4000 + +#define MAX_BUFFERS 50 +#define MAX_URBS 10 + +struct smsusb_device_t; + +struct smsusb_urb_t { + struct smscore_buffer_t *cb; + struct smsusb_device_t *dev; + + struct urb urb; +}; + +struct smsusb_device_t { + struct usb_device *udev; + struct smscore_device_t *coredev; + + struct smsusb_urb_t surbs[MAX_URBS]; + + int response_alignment; + int buffer_size; +}; + +static int smsusb_submit_urb(struct smsusb_device_t *dev, + struct smsusb_urb_t *surb); + +static void smsusb_onresponse(struct urb *urb) +{ + struct smsusb_urb_t *surb = (struct smsusb_urb_t *) urb->context; + struct smsusb_device_t *dev = surb->dev; + + if (urb->status < 0) { + sms_err("error, urb status %d, %d bytes", + urb->status, urb->actual_length); + return; + } + + if (urb->actual_length > 0) { + struct SmsMsgHdr_ST *phdr = (struct SmsMsgHdr_ST *) surb->cb->p; + + if (urb->actual_length >= phdr->msgLength) { + surb->cb->size = phdr->msgLength; + + if (dev->response_alignment && + (phdr->msgFlags & MSG_HDR_FLAG_SPLIT_MSG)) { + + surb->cb->offset = + dev->response_alignment + + ((phdr->msgFlags >> 8) & 3); + + /* sanity check */ + if (((int) phdr->msgLength + + surb->cb->offset) > urb->actual_length) { + sms_err("invalid response " + "msglen %d offset %d " + "size %d", + phdr->msgLength, + surb->cb->offset, + urb->actual_length); + goto exit_and_resubmit; + } + + /* move buffer pointer and + * copy header to its new location */ + memcpy((char *) phdr + surb->cb->offset, + phdr, sizeof(struct SmsMsgHdr_ST)); + } else + surb->cb->offset = 0; + + smscore_onresponse(dev->coredev, surb->cb); + surb->cb = NULL; + } else { + sms_err("invalid response " + "msglen %d actual %d", + phdr->msgLength, urb->actual_length); + } + } + +exit_and_resubmit: + smsusb_submit_urb(dev, surb); +} + +static int smsusb_submit_urb(struct smsusb_device_t *dev, + struct smsusb_urb_t *surb) +{ + if (!surb->cb) { + surb->cb = smscore_getbuffer(dev->coredev); + if (!surb->cb) { + sms_err("smscore_getbuffer(...) returned NULL"); + return -ENOMEM; + } + } + + usb_fill_bulk_urb( + &surb->urb, + dev->udev, + usb_rcvbulkpipe(dev->udev, 0x81), + surb->cb->p, + dev->buffer_size, + smsusb_onresponse, + surb + ); + surb->urb.transfer_dma = surb->cb->phys; + surb->urb.transfer_flags |= URB_NO_TRANSFER_DMA_MAP; + + return usb_submit_urb(&surb->urb, GFP_ATOMIC); +} + +static void smsusb_stop_streaming(struct smsusb_device_t *dev) +{ + int i; + + for (i = 0; i < MAX_URBS; i++) { + usb_kill_urb(&dev->surbs[i].urb); + + if (dev->surbs[i].cb) { + smscore_putbuffer(dev->coredev, dev->surbs[i].cb); + dev->surbs[i].cb = NULL; + } + } +} + +static int smsusb_start_streaming(struct smsusb_device_t *dev) +{ + int i, rc; + + for (i = 0; i < MAX_URBS; i++) { + rc = smsusb_submit_urb(dev, &dev->surbs[i]); + if (rc < 0) { + sms_err("smsusb_submit_urb(...) failed"); + smsusb_stop_streaming(dev); + break; + } + } + + return rc; +} + +static int smsusb_sendrequest(void *context, void *buffer, size_t size) +{ + struct smsusb_device_t *dev = (struct smsusb_device_t *) context; + int dummy; + + return usb_bulk_msg(dev->udev, usb_sndbulkpipe(dev->udev, 2), + buffer, size, &dummy, 1000); +} + +static char *smsusb1_fw_lkup[] = { + "dvbt_stellar_usb.inp", + "dvbh_stellar_usb.inp", + "tdmb_stellar_usb.inp", + "none", + "dvbt_bda_stellar_usb.inp", +}; + +static inline char *sms_get_fw_name(int mode, int board_id) +{ + char **fw = sms_get_board(board_id)->fw; + return (fw && fw[mode]) ? fw[mode] : smsusb1_fw_lkup[mode]; +} + +static int smsusb1_load_firmware(struct usb_device *udev, int id, int board_id) +{ + const struct firmware *fw; + u8 *fw_buffer; + int rc, dummy; + char *fw_filename; + + if (id < DEVICE_MODE_DVBT || id > DEVICE_MODE_DVBT_BDA) { + sms_err("invalid firmware id specified %d", id); + return -EINVAL; + } + + fw_filename = sms_get_fw_name(id, board_id); + + rc = request_firmware(&fw, fw_filename, &udev->dev); + if (rc < 0) { + sms_warn("failed to open \"%s\" mode %d, " + "trying again with default firmware", fw_filename, id); + + fw_filename = smsusb1_fw_lkup[id]; + rc = request_firmware(&fw, fw_filename, &udev->dev); + if (rc < 0) { + sms_warn("failed to open \"%s\" mode %d", + fw_filename, id); + + return rc; + } + } + + fw_buffer = kmalloc(fw->size, GFP_KERNEL); + if (fw_buffer) { + memcpy(fw_buffer, fw->data, fw->size); + + rc = usb_bulk_msg(udev, usb_sndbulkpipe(udev, 2), + fw_buffer, fw->size, &dummy, 1000); + + sms_info("sent %zd(%d) bytes, rc %d", fw->size, dummy, rc); + + kfree(fw_buffer); + } else { + sms_err("failed to allocate firmware buffer"); + rc = -ENOMEM; + } + sms_info("read FW %s, size=%zd", fw_filename, fw->size); + + release_firmware(fw); + + return rc; +} + +static void smsusb1_detectmode(void *context, int *mode) +{ + char *product_string = + ((struct smsusb_device_t *) context)->udev->product; + + *mode = DEVICE_MODE_NONE; + + if (!product_string) { + product_string = "none"; + sms_err("product string not found"); + } else if (strstr(product_string, "DVBH")) + *mode = 1; + else if (strstr(product_string, "BDA")) + *mode = 4; + else if (strstr(product_string, "DVBT")) + *mode = 0; + else if (strstr(product_string, "TDMB")) + *mode = 2; + + sms_info("%d \"%s\"", *mode, product_string); +} + +static int smsusb1_setmode(void *context, int mode) +{ + struct SmsMsgHdr_ST Msg = { MSG_SW_RELOAD_REQ, 0, HIF_TASK, + sizeof(struct SmsMsgHdr_ST), 0 }; + + if (mode < DEVICE_MODE_DVBT || mode > DEVICE_MODE_DVBT_BDA) { + sms_err("invalid firmware id specified %d", mode); + return -EINVAL; + } + + return smsusb_sendrequest(context, &Msg, sizeof(Msg)); +} + +static void smsusb_term_device(struct usb_interface *intf) +{ + struct smsusb_device_t *dev = + (struct smsusb_device_t *) usb_get_intfdata(intf); + + if (dev) { + smsusb_stop_streaming(dev); + + /* unregister from smscore */ + if (dev->coredev) + smscore_unregister_device(dev->coredev); + + kfree(dev); + + sms_info("device %p destroyed", dev); + } + + usb_set_intfdata(intf, NULL); +} + +static int smsusb_init_device(struct usb_interface *intf, int board_id) +{ + struct smsdevice_params_t params; + struct smsusb_device_t *dev; + int i, rc; + + /* create device object */ + dev = kzalloc(sizeof(struct smsusb_device_t), GFP_KERNEL); + if (!dev) { + sms_err("kzalloc(sizeof(struct smsusb_device_t) failed"); + return -ENOMEM; + } + + memset(¶ms, 0, sizeof(params)); + usb_set_intfdata(intf, dev); + dev->udev = interface_to_usbdev(intf); + + params.device_type = sms_get_board(board_id)->type; + + switch (params.device_type) { + case SMS_STELLAR: + dev->buffer_size = USB1_BUFFER_SIZE; + + params.setmode_handler = smsusb1_setmode; + params.detectmode_handler = smsusb1_detectmode; + break; + default: + sms_err("Unspecified sms device type!"); + /* fall-thru */ + case SMS_NOVA_A0: + case SMS_NOVA_B0: + case SMS_VEGA: + dev->buffer_size = USB2_BUFFER_SIZE; + dev->response_alignment = + dev->udev->ep_in[1]->desc.wMaxPacketSize - + sizeof(struct SmsMsgHdr_ST); + + params.flags |= SMS_DEVICE_FAMILY2; + break; + } + + params.device = &dev->udev->dev; + params.buffer_size = dev->buffer_size; + params.num_buffers = MAX_BUFFERS; + params.sendrequest_handler = smsusb_sendrequest; + params.context = dev; + snprintf(params.devpath, sizeof(params.devpath), + "usb\\%d-%s", dev->udev->bus->busnum, dev->udev->devpath); + + /* register in smscore */ + rc = smscore_register_device(¶ms, &dev->coredev); + if (rc < 0) { + sms_err("smscore_register_device(...) failed, rc %d", rc); + smsusb_term_device(intf); + return rc; + } + + smscore_set_board_id(dev->coredev, board_id); + + /* initialize urbs */ + for (i = 0; i < MAX_URBS; i++) { + dev->surbs[i].dev = dev; + usb_init_urb(&dev->surbs[i].urb); + } + + sms_info("smsusb_start_streaming(...)."); + rc = smsusb_start_streaming(dev); + if (rc < 0) { + sms_err("smsusb_start_streaming(...) failed"); + smsusb_term_device(intf); + return rc; + } + + rc = smscore_start_device(dev->coredev); + if (rc < 0) { + sms_err("smscore_start_device(...) failed"); + smsusb_term_device(intf); + return rc; + } + + sms_info("device %p created", dev); + + return rc; +} + +static int smsusb_probe(struct usb_interface *intf, + const struct usb_device_id *id) +{ + struct usb_device *udev = interface_to_usbdev(intf); + char devpath[32]; + int i, rc; + + rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x81)); + rc = usb_clear_halt(udev, usb_rcvbulkpipe(udev, 0x02)); + + if (intf->num_altsetting > 0) { + rc = usb_set_interface( + udev, intf->cur_altsetting->desc.bInterfaceNumber, 0); + if (rc < 0) { + sms_err("usb_set_interface failed, rc %d", rc); + return rc; + } + } + + sms_info("smsusb_probe %d", + intf->cur_altsetting->desc.bInterfaceNumber); + for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) + sms_info("endpoint %d %02x %02x %d", i, + intf->cur_altsetting->endpoint[i].desc.bEndpointAddress, + intf->cur_altsetting->endpoint[i].desc.bmAttributes, + intf->cur_altsetting->endpoint[i].desc.wMaxPacketSize); + + if ((udev->actconfig->desc.bNumInterfaces == 2) && + (intf->cur_altsetting->desc.bInterfaceNumber == 0)) { + sms_err("rom interface 0 is not used"); + return -ENODEV; + } + + if (intf->cur_altsetting->desc.bInterfaceNumber == 1) { + snprintf(devpath, sizeof(devpath), "usb\\%d-%s", + udev->bus->busnum, udev->devpath); + sms_info("stellar device was found."); + return smsusb1_load_firmware( + udev, smscore_registry_getmode(devpath), + id->driver_info); + } + + rc = smsusb_init_device(intf, id->driver_info); + sms_info("rc %d", rc); + return rc; +} + +static void smsusb_disconnect(struct usb_interface *intf) +{ + smsusb_term_device(intf); +} + +static struct usb_driver smsusb_driver = { + .name = "sms1xxx", + .probe = smsusb_probe, + .disconnect = smsusb_disconnect, + .id_table = smsusb_id_table, +}; + +int smsusb_register(void) +{ + int rc = usb_register(&smsusb_driver); + if (rc) + sms_err("usb_register failed. Error number %d", rc); + + sms_debug(""); + + return rc; +} + +void smsusb_unregister(void) +{ + sms_debug(""); + /* Regular USB Cleanup */ + usb_deregister(&smsusb_driver); +} + |