diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2024-09-19 09:16:04 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2024-09-19 09:16:04 +0200 |
| commit | 84bbfe6b6435658132df2880258d34babe46d3e0 (patch) | |
| tree | 3066cce5c7ab4daa2268230204f1124f4ce3faeb /drivers/platform | |
| parent | Merge tag 'devicetree-for-6.12' of git://git.kernel.org/pub/scm/linux/kernel/... (diff) | |
| parent | MAINTAINERS: adjust file entry in INTEL MID PLATFORM (diff) | |
| download | linux-84bbfe6b6435658132df2880258d34babe46d3e0.tar.xz linux-84bbfe6b6435658132df2880258d34babe46d3e0.zip | |
Merge tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform drivers updates from Hans de Goede:
- asus-wmi: Add support for vivobook fan profiles
- dell-laptop: Add knobs to change battery charge settings
- lg-laptop: Add operation region support
- intel-uncore-freq: Add support for efficiency latency control
- intel/ifs: Add SBAF test support
- intel/pmc: Ignore all LTRs during suspend
- platform/surface: Support for arm64 based Surface devices
- wmi: Pass event data directly to legacy notify handlers
- x86/platform/geode: switch GPIO buttons and LEDs to software
properties
- bunch of small cleanups, fixes, hw-id additions, etc.
* tag 'platform-drivers-x86-v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86: (65 commits)
MAINTAINERS: adjust file entry in INTEL MID PLATFORM
platform/x86: x86-android-tablets: Adjust Xiaomi Pad 2 bottom bezel touch buttons LED
platform/mellanox: mlxbf-pmc: fix lockdep warning
platform/x86/amd: pmf: Add quirk for TUF Gaming A14
platform/x86: touchscreen_dmi: add nanote-next quirk
platform/x86: asus-wmi: don't fail if platform_profile already registered
platform/x86: asus-wmi: add debug print in more key places
platform/x86: intel_scu_wdt: Move intel_scu_wdt.h to x86 subfolder
platform/x86: intel_scu_ipc: Move intel_scu_ipc.h out of arch/x86/include/asm
MAINTAINERS: Add Intel MID section
platform/x86: panasonic-laptop: Add support for programmable buttons
platform/olpc: Remove redundant null pointer checks in olpc_ec_setup_debugfs()
platform/x86: intel/pmc: Ignore all LTRs during suspend
platform/x86: wmi: Call both legacy and WMI driver notify handlers
platform/x86: wmi: Merge get_event_data() with wmi_get_notify_data()
platform/x86: wmi: Remove wmi_get_event_data()
platform/x86: wmi: Pass event data directly to legacy notify handlers
platform/x86: thinkpad_acpi: Fix uninitialized symbol 's' warning
platform/x86: x86-android-tablets: Fix spelling in the comments
platform/x86: ideapad-laptop: Make the scope_guard() clear of its scope
...
Diffstat (limited to 'drivers/platform')
75 files changed, 2229 insertions, 917 deletions
diff --git a/drivers/platform/mellanox/mlxbf-pmc.c b/drivers/platform/mellanox/mlxbf-pmc.c index 4ed9c7fd2b62..9d18dfca6a67 100644 --- a/drivers/platform/mellanox/mlxbf-pmc.c +++ b/drivers/platform/mellanox/mlxbf-pmc.c @@ -1774,6 +1774,7 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, unsigned int blk_ /* "event_list" sysfs to list events supported by the block */ attr = &pmc->block[blk_num].attr_event_list; + sysfs_attr_init(&attr->dev_attr.attr); attr->dev_attr.attr.mode = 0444; attr->dev_attr.show = mlxbf_pmc_event_list_show; attr->nr = blk_num; @@ -1787,6 +1788,7 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, unsigned int blk_ if (strstr(pmc->block_name[blk_num], "l3cache") || ((pmc->block[blk_num].type == MLXBF_PMC_TYPE_CRSPACE))) { attr = &pmc->block[blk_num].attr_enable; + sysfs_attr_init(&attr->dev_attr.attr); attr->dev_attr.attr.mode = 0644; attr->dev_attr.show = mlxbf_pmc_enable_show; attr->dev_attr.store = mlxbf_pmc_enable_store; @@ -1814,6 +1816,7 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, unsigned int blk_ /* "eventX" and "counterX" sysfs to program and read counter values */ for (j = 0; j < pmc->block[blk_num].counters; ++j) { attr = &pmc->block[blk_num].attr_counter[j]; + sysfs_attr_init(&attr->dev_attr.attr); attr->dev_attr.attr.mode = 0644; attr->dev_attr.show = mlxbf_pmc_counter_show; attr->dev_attr.store = mlxbf_pmc_counter_store; @@ -1826,6 +1829,7 @@ static int mlxbf_pmc_init_perftype_counter(struct device *dev, unsigned int blk_ attr = NULL; attr = &pmc->block[blk_num].attr_event[j]; + sysfs_attr_init(&attr->dev_attr.attr); attr->dev_attr.attr.mode = 0644; attr->dev_attr.show = mlxbf_pmc_event_show; attr->dev_attr.store = mlxbf_pmc_event_store; @@ -1861,6 +1865,7 @@ static int mlxbf_pmc_init_perftype_reg(struct device *dev, unsigned int blk_num) while (count > 0) { --count; attr = &pmc->block[blk_num].attr_event[count]; + sysfs_attr_init(&attr->dev_attr.attr); attr->dev_attr.attr.mode = 0644; attr->dev_attr.show = mlxbf_pmc_counter_show; attr->dev_attr.store = mlxbf_pmc_counter_store; diff --git a/drivers/platform/olpc/olpc-ec.c b/drivers/platform/olpc/olpc-ec.c index 921520475ff6..48e9861bb571 100644 --- a/drivers/platform/olpc/olpc-ec.c +++ b/drivers/platform/olpc/olpc-ec.c @@ -332,9 +332,6 @@ static struct dentry *olpc_ec_setup_debugfs(void) struct dentry *dbgfs_dir; dbgfs_dir = debugfs_create_dir("olpc-ec", NULL); - if (IS_ERR_OR_NULL(dbgfs_dir)) - return NULL; - debugfs_create_file("cmd", 0600, dbgfs_dir, NULL, &ec_dbgfs_ops); return dbgfs_dir; diff --git a/drivers/platform/surface/aggregator/bus.c b/drivers/platform/surface/aggregator/bus.c index af8d573aae93..d68d231e716e 100644 --- a/drivers/platform/surface/aggregator/bus.c +++ b/drivers/platform/surface/aggregator/bus.c @@ -6,6 +6,7 @@ */ #include <linux/device.h> +#include <linux/of.h> #include <linux/property.h> #include <linux/slab.h> @@ -441,6 +442,7 @@ static int ssam_add_client_device(struct device *parent, struct ssam_controller sdev->dev.parent = parent; sdev->dev.fwnode = fwnode_handle_get(node); + sdev->dev.of_node = to_of_node(node); status = ssam_device_add(sdev); if (status) diff --git a/drivers/platform/surface/aggregator/controller.c b/drivers/platform/surface/aggregator/controller.c index 7e89f547999b..a265e667538c 100644 --- a/drivers/platform/surface/aggregator/controller.c +++ b/drivers/platform/surface/aggregator/controller.c @@ -1104,13 +1104,6 @@ int ssam_controller_caps_load_from_acpi(acpi_handle handle, u64 funcs; int status; - /* Set defaults. */ - caps->ssh_power_profile = U32_MAX; - caps->screen_on_sleep_idle_timeout = U32_MAX; - caps->screen_off_sleep_idle_timeout = U32_MAX; - caps->d3_closes_handle = false; - caps->ssh_buffer_size = U32_MAX; - /* Pre-load supported DSM functions. */ status = ssam_dsm_get_functions(handle, &funcs); if (status) @@ -1150,6 +1143,52 @@ int ssam_controller_caps_load_from_acpi(acpi_handle handle, } /** + * ssam_controller_caps_load_from_of() - Load controller capabilities from OF/DT. + * @dev: A pointer to the controller device + * @caps: Where to store the capabilities in. + * + * Return: Returns zero on success, a negative error code on failure. + */ +static int ssam_controller_caps_load_from_of(struct device *dev, struct ssam_controller_caps *caps) +{ + /* + * Every device starting with Surface Pro X through Laptop 7 uses these + * identical values, which makes them good defaults. + */ + caps->d3_closes_handle = true; + caps->screen_on_sleep_idle_timeout = 5000; + caps->screen_off_sleep_idle_timeout = 30; + caps->ssh_buffer_size = 48; + /* TODO: figure out power profile */ + + return 0; +} + +/** + * ssam_controller_caps_load() - Load controller capabilities + * @dev: A pointer to the controller device + * @caps: Where to store the capabilities in. + * + * Return: Returns zero on success, a negative error code on failure. + */ +static int ssam_controller_caps_load(struct device *dev, struct ssam_controller_caps *caps) +{ + acpi_handle handle = ACPI_HANDLE(dev); + + /* Set defaults. */ + caps->ssh_power_profile = U32_MAX; + caps->screen_on_sleep_idle_timeout = U32_MAX; + caps->screen_off_sleep_idle_timeout = U32_MAX; + caps->d3_closes_handle = false; + caps->ssh_buffer_size = U32_MAX; + + if (handle) + return ssam_controller_caps_load_from_acpi(handle, caps); + else + return ssam_controller_caps_load_from_of(dev, caps); +} + +/** * ssam_controller_init() - Initialize SSAM controller. * @ctrl: The controller to initialize. * @serdev: The serial device representing the underlying data transport. @@ -1165,13 +1204,12 @@ int ssam_controller_caps_load_from_acpi(acpi_handle handle, int ssam_controller_init(struct ssam_controller *ctrl, struct serdev_device *serdev) { - acpi_handle handle = ACPI_HANDLE(&serdev->dev); int status; init_rwsem(&ctrl->lock); kref_init(&ctrl->kref); - status = ssam_controller_caps_load_from_acpi(handle, &ctrl->caps); + status = ssam_controller_caps_load(&serdev->dev, &ctrl->caps); if (status) return status; @@ -2716,11 +2754,12 @@ int ssam_irq_setup(struct ssam_controller *ctrl) const int irqf = IRQF_ONESHOT | IRQF_TRIGGER_RISING | IRQF_NO_AUTOEN; gpiod = gpiod_get(dev, "ssam_wakeup-int", GPIOD_ASIS); - if (IS_ERR(gpiod)) - return PTR_ERR(gpiod); - - irq = gpiod_to_irq(gpiod); - gpiod_put(gpiod); + if (IS_ERR(gpiod)) { + irq = fwnode_irq_get(dev_fwnode(dev), 0); + } else { + irq = gpiod_to_irq(gpiod); + gpiod_put(gpiod); + } if (irq < 0) return irq; diff --git a/drivers/platform/surface/aggregator/core.c b/drivers/platform/surface/aggregator/core.c index 797d0645bd77..c58e1fdd1a5f 100644 --- a/drivers/platform/surface/aggregator/core.c +++ b/drivers/platform/surface/aggregator/core.c @@ -17,9 +17,12 @@ #include <linux/kernel.h> #include <linux/kref.h> #include <linux/module.h> +#include <linux/of.h> +#include <linux/platform_device.h> #include <linux/pm.h> #include <linux/serdev.h> #include <linux/sysfs.h> +#include <linux/units.h> #include <linux/surface_aggregator/controller.h> #include <linux/surface_aggregator/device.h> @@ -299,7 +302,7 @@ static const struct attribute_group ssam_sam_group = { }; -/* -- ACPI based device setup. ---------------------------------------------- */ +/* -- Serial device setup. -------------------------------------------------- */ static acpi_status ssam_serdev_setup_via_acpi_crs(struct acpi_resource *rsc, void *ctx) @@ -352,13 +355,28 @@ static acpi_status ssam_serdev_setup_via_acpi_crs(struct acpi_resource *rsc, return AE_CTRL_TERMINATE; } -static acpi_status ssam_serdev_setup_via_acpi(acpi_handle handle, - struct serdev_device *serdev) +static int ssam_serdev_setup_via_acpi(struct serdev_device *serdev, acpi_handle handle) { - return acpi_walk_resources(handle, METHOD_NAME__CRS, - ssam_serdev_setup_via_acpi_crs, serdev); + acpi_status status; + + status = acpi_walk_resources(handle, METHOD_NAME__CRS, + ssam_serdev_setup_via_acpi_crs, serdev); + + return status ? -ENXIO : 0; } +static int ssam_serdev_setup(struct acpi_device *ssh, struct serdev_device *serdev) +{ + if (ssh) + return ssam_serdev_setup_via_acpi(serdev, ssh->handle); + + /* TODO: these values may differ per board/implementation */ + serdev_device_set_baudrate(serdev, 4 * HZ_PER_MHZ); + serdev_device_set_flow_control(serdev, true); + serdev_device_set_parity(serdev, SERDEV_PARITY_NONE); + + return 0; +} /* -- Power management. ----------------------------------------------------- */ @@ -621,16 +639,17 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) struct device *dev = &serdev->dev; struct acpi_device *ssh = ACPI_COMPANION(dev); struct ssam_controller *ctrl; - acpi_status astatus; int status; - status = gpiod_count(dev, NULL); - if (status < 0) - return dev_err_probe(dev, status, "no GPIO found\n"); + if (ssh) { + status = gpiod_count(dev, NULL); + if (status < 0) + return dev_err_probe(dev, status, "no GPIO found\n"); - status = devm_acpi_dev_add_driver_gpios(dev, ssam_acpi_gpios); - if (status) - return status; + status = devm_acpi_dev_add_driver_gpios(dev, ssam_acpi_gpios); + if (status) + return status; + } /* Allocate controller. */ ctrl = kzalloc(sizeof(*ctrl), GFP_KERNEL); @@ -655,9 +674,9 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) goto err_devopen; } - astatus = ssam_serdev_setup_via_acpi(ssh->handle, serdev); - if (ACPI_FAILURE(astatus)) { - status = dev_err_probe(dev, -ENXIO, "failed to setup serdev\n"); + status = ssam_serdev_setup(ssh, serdev); + if (status) { + status = dev_err_probe(dev, status, "failed to setup serdev\n"); goto err_devinit; } @@ -717,7 +736,23 @@ static int ssam_serial_hub_probe(struct serdev_device *serdev) * For now let's thus default power/wakeup to false. */ device_set_wakeup_capable(dev, true); - acpi_dev_clear_dependencies(ssh); + + /* + * When using DT, we have to register the platform hub driver manually, + * as it can't be matched based on top-level board compatible (like it + * does the ACPI case). + */ + if (!ssh) { + struct platform_device *ph_pdev = + platform_device_register_simple("surface_aggregator_platform_hub", + 0, NULL, 0); + if (IS_ERR(ph_pdev)) + return dev_err_probe(dev, PTR_ERR(ph_pdev), + "Failed to register the platform hub driver\n"); + } + + if (ssh) + acpi_dev_clear_dependencies(ssh); return 0; @@ -782,18 +817,27 @@ static void ssam_serial_hub_remove(struct serdev_device *serdev) device_set_wakeup_capable(&serdev->dev, false); } -static const struct acpi_device_id ssam_serial_hub_match[] = { +static const struct acpi_device_id ssam_serial_hub_acpi_match[] = { { "MSHW0084", 0 }, { }, }; -MODULE_DEVICE_TABLE(acpi, ssam_serial_hub_match); +MODULE_DEVICE_TABLE(acpi, ssam_serial_hub_acpi_match); + +#ifdef CONFIG_OF +static const struct of_device_id ssam_serial_hub_of_match[] = { + { .compatible = "microsoft,surface-sam", }, + { }, +}; +MODULE_DEVICE_TABLE(of, ssam_serial_hub_of_match); +#endif static struct serdev_device_driver ssam_serial_hub = { .probe = ssam_serial_hub_probe, .remove = ssam_serial_hub_remove, .driver = { .name = "surface_serial_hub", - .acpi_match_table = ssam_serial_hub_match, + .acpi_match_table = ACPI_PTR(ssam_serial_hub_acpi_match), + .of_match_table = of_match_ptr(ssam_serial_hub_of_match), .pm = &ssam_serial_hub_pm_ops, .shutdown = ssam_serial_hub_shutdown, .probe_type = PROBE_PREFER_ASYNCHRONOUS, diff --git a/drivers/platform/surface/surface_aggregator_registry.c b/drivers/platform/surface/surface_aggregator_registry.c index a23dff35f8ca..25c8aa2131d6 100644 --- a/drivers/platform/surface/surface_aggregator_registry.c +++ b/drivers/platform/surface/surface_aggregator_registry.c @@ -12,6 +12,7 @@ #include <linux/acpi.h> #include <linux/kernel.h> #include <linux/module.h> +#include <linux/of.h> #include <linux/platform_device.h> #include <linux/property.h> #include <linux/types.h> @@ -291,6 +292,18 @@ static const struct software_node *ssam_node_group_sl6[] = { NULL, }; +/* Devices for Surface Laptop 7. */ +static const struct software_node *ssam_node_group_sl7[] = { + &ssam_node_root, + &ssam_node_bat_ac, + &ssam_node_bat_main, + &ssam_node_tmp_perf_profile_with_fan, + &ssam_node_fan_speed, + &ssam_node_hid_sam_keyboard, + /* TODO: evaluate thermal sensors devices when we get a driver for that */ + NULL, +}; + /* Devices for Surface Laptop Studio 1. */ static const struct software_node *ssam_node_group_sls1[] = { &ssam_node_root, @@ -380,7 +393,7 @@ static const struct software_node *ssam_node_group_sp9[] = { /* -- SSAM platform/meta-hub driver. ---------------------------------------- */ -static const struct acpi_device_id ssam_platform_hub_match[] = { +static const struct acpi_device_id ssam_platform_hub_acpi_match[] = { /* Surface Pro 4, 5, and 6 (OMBR < 0x10) */ { "MSHW0081", (unsigned long)ssam_node_group_gen5 }, @@ -446,18 +459,39 @@ static const struct acpi_device_id ssam_platform_hub_match[] = { { }, }; -MODULE_DEVICE_TABLE(acpi, ssam_platform_hub_match); +MODULE_DEVICE_TABLE(acpi, ssam_platform_hub_acpi_match); + +static const struct of_device_id ssam_platform_hub_of_match[] __maybe_unused = { + /* Surface Laptop 7 */ + { .compatible = "microsoft,romulus13", (void *)ssam_node_group_sl7 }, + { .compatible = "microsoft,romulus15", (void *)ssam_node_group_sl7 }, + { }, +}; static int ssam_platform_hub_probe(struct platform_device *pdev) { const struct software_node **nodes; + const struct of_device_id *match; + struct device_node *fdt_root; struct ssam_controller *ctrl; struct fwnode_handle *root; int status; nodes = (const struct software_node **)acpi_device_get_match_data(&pdev->dev); - if (!nodes) - return -ENODEV; + if (!nodes) { + fdt_root = of_find_node_by_path("/"); + if (!fdt_root) + return -ENODEV; + + match = of_match_node(ssam_platform_hub_of_match, fdt_root); + of_node_put(fdt_root); + if (!match) + return -ENODEV; + + nodes = (const struct software_node **)match->data; + if (!nodes) + return -ENODEV; + } /* * As we're adding the SSAM client devices as children under this device @@ -506,12 +540,13 @@ static struct platform_driver ssam_platform_hub_driver = { .remove_new = ssam_platform_hub_remove, .driver = { .name = "surface_aggregator_platform_hub", - .acpi_match_table = ssam_platform_hub_match, + .acpi_match_table = ssam_platform_hub_acpi_match, .probe_type = PROBE_PREFER_ASYNCHRONOUS, }, }; module_platform_driver(ssam_platform_hub_driver); +MODULE_ALIAS("platform:surface_aggregator_platform_hub"); MODULE_AUTHOR("Maximilian Luz <luzmaximilian@gmail.com>"); MODULE_DESCRIPTION("Device-registry for Surface System Aggregator Module"); MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig index ddfccc226751..3875abba5a79 100644 --- a/drivers/platform/x86/Kconfig +++ b/drivers/platform/x86/Kconfig @@ -1000,7 +1000,8 @@ config TOPSTAR_LAPTOP config SERIAL_MULTI_INSTANTIATE tristate "Serial bus multi instantiate pseudo device driver" - depends on I2C && SPI && ACPI + depends on ACPI + depends on (I2C && !SPI) || (!I2C && SPI) || (I2C && SPI) help Some ACPI-based systems list multiple devices in a single ACPI firmware-node. This driver will instantiate separate clients diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c index 38c932df6446..7169b84ccdb6 100644 --- a/drivers/platform/x86/acer-wmi.c +++ b/drivers/platform/x86/acer-wmi.c @@ -16,7 +16,6 @@ #include <linux/init.h> #include <linux/types.h> #include <linux/dmi.h> -#include <linux/fb.h> #include <linux/backlight.h> #include <linux/leds.h> #include <linux/platform_device.h> @@ -1685,7 +1684,7 @@ static int acer_backlight_init(struct device *dev) acer_backlight_device = bd; - bd->props.power = FB_BLANK_UNBLANK; + bd->props.power = BACKLIGHT_POWER_ON; bd->props.brightness = read_brightness(bd); backlight_update_status(bd); return 0; @@ -2224,39 +2223,25 @@ static void acer_rfkill_exit(void) } } -static void acer_wmi_notify(u32 value, void *context) +static void acer_wmi_notify(union acpi_object *obj, void *context) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; struct event_return_value return_value; - acpi_status status; u16 device_state; const struct key_entry *key; u32 scancode; - status = wmi_get_event_data(value, &response); - if (status != AE_OK) { - pr_warn("bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; - if (!obj) return; if (obj->type != ACPI_TYPE_BUFFER) { pr_warn("Unknown response received %d\n", obj->type); - kfree(obj); return; } if (obj->buffer.length != 8) { pr_warn("Unknown buffer length %d\n", obj->buffer.length); - kfree(obj); return; } return_value = *((struct event_return_value *)obj->buffer.pointer); - kfree(obj); switch (return_value.function) { case WMID_HOTKEY_EVENT: diff --git a/drivers/platform/x86/amd/pmf/acpi.c b/drivers/platform/x86/amd/pmf/acpi.c index 1157ec148880..d5b496433d69 100644 --- a/drivers/platform/x86/amd/pmf/acpi.c +++ b/drivers/platform/x86/amd/pmf/acpi.c @@ -282,6 +282,29 @@ int apmf_update_fan_idx(struct amd_pmf_dev *pdev, bool manual, u32 idx) return 0; } +static int apmf_notify_smart_pc_update(struct amd_pmf_dev *pdev, u32 val, u32 preq, u32 index) +{ + struct amd_pmf_notify_smart_pc_update args; + struct acpi_buffer params; + union acpi_object *info; + + args.size = sizeof(args); + args.pending_req = preq; + args.custom_bios[index] = val; + + params.length = sizeof(args); + params.pointer = &args; + + info = apmf_if_call(pdev, APMF_FUNC_NOTIFY_SMART_PC_UPDATES, ¶ms); + if (!info) + return -EIO; + + kfree(info); + dev_dbg(pdev->dev, "Notify smart pc update, val: %u\n", val); + + return 0; +} + int apmf_get_auto_mode_def(struct amd_pmf_dev *pdev, struct apmf_auto_mode *data) { return apmf_if_call_store_buffer(pdev, APMF_FUNC_AUTO_MODE, data, sizeof(*data)); @@ -447,6 +470,14 @@ int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev) return 0; } +int amd_pmf_smartpc_apply_bios_output(struct amd_pmf_dev *dev, u32 val, u32 preq, u32 idx) +{ + if (!is_apmf_func_supported(dev, APMF_FUNC_NOTIFY_SMART_PC_UPDATES)) + return -EINVAL; + + return apmf_notify_smart_pc_update(dev, val, preq, idx); +} + void apmf_acpi_deinit(struct amd_pmf_dev *pmf_dev) { acpi_handle ahandle = ACPI_HANDLE(pmf_dev->dev); diff --git a/drivers/platform/x86/amd/pmf/core.c b/drivers/platform/x86/amd/pmf/core.c index 8f1f719befa3..d6af0ca036f1 100644 --- a/drivers/platform/x86/amd/pmf/core.c +++ b/drivers/platform/x86/amd/pmf/core.c @@ -37,12 +37,6 @@ #define AMD_PMF_RESULT_CMD_UNKNOWN 0xFE #define AMD_PMF_RESULT_FAILED 0xFF -/* List of supported CPU ids */ -#define AMD_CPU_ID_RMB 0x14b5 -#define AMD_CPU_ID_PS 0x14e8 -#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507 -#define PCI_DEVICE_ID_AMD_1AH_M60H_ROOT 0x1122 - #define PMF_MSG_DELAY_MIN_US 50 #define RESPONSE_REGISTER_LOOP_MAX 20000 @@ -261,7 +255,19 @@ int amd_pmf_set_dram_addr(struct amd_pmf_dev *dev, bool alloc_buffer) /* Get Metrics Table Address */ if (alloc_buffer) { - dev->buf = kzalloc(sizeof(dev->m_table), GFP_KERNEL); + switch (dev->cpu_id) { + case AMD_CPU_ID_PS: + case AMD_CPU_ID_RMB: + dev->mtable_size = sizeof(dev->m_table); + break; + case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT: + dev->mtable_size = sizeof(dev->m_table_v2); + break; + default: + dev_err(dev->dev, "Invalid CPU id: 0x%x", dev->cpu_id); + } + + dev->buf = kzalloc(dev->mtable_size, GFP_KERNEL); if (!dev->buf) return -ENOMEM; } diff --git a/drivers/platform/x86/amd/pmf/pmf-quirks.c b/drivers/platform/x86/amd/pmf/pmf-quirks.c index 48870ca52b41..7cde5733b9ca 100644 --- a/drivers/platform/x86/amd/pmf/pmf-quirks.c +++ b/drivers/platform/x86/amd/pmf/pmf-quirks.c @@ -37,6 +37,14 @@ static const struct dmi_system_id fwbug_list[] = { }, .driver_data = &quirk_no_sps_bug, }, + { + .ident = "ASUS TUF Gaming A14", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), + DMI_MATCH(DMI_PRODUCT_NAME, "FA401W"), + }, + .driver_data = &quirk_no_sps_bug, + }, {} }; diff --git a/drivers/platform/x86/amd/pmf/pmf.h b/drivers/platform/x86/amd/pmf/pmf.h index 753d5662c080..8ce8816da9c1 100644 --- a/drivers/platform/x86/amd/pmf/pmf.h +++ b/drivers/platform/x86/amd/pmf/pmf.h @@ -19,6 +19,12 @@ #define POLICY_SIGN_COOKIE 0x31535024 #define POLICY_COOKIE_OFFSET 0x10 +/* List of supported CPU ids */ +#define AMD_CPU_ID_RMB 0x14b5 +#define AMD_CPU_ID_PS 0x14e8 +#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507 +#define PCI_DEVICE_ID_AMD_1AH_M60H_ROOT 0x1122 + struct cookie_header { u32 sign; u32 length; @@ -35,6 +41,7 @@ struct cookie_header { #define APMF_FUNC_STATIC_SLIDER_GRANULAR 9 #define APMF_FUNC_DYN_SLIDER_AC 11 #define APMF_FUNC_DYN_SLIDER_DC 12 +#define APMF_FUNC_NOTIFY_SMART_PC_UPDATES 14 #define APMF_FUNC_SBIOS_HEARTBEAT_V2 16 /* Message Definitions */ @@ -82,7 +89,17 @@ struct cookie_header { #define PMF_POLICY_STT_SKINTEMP_APU 7 #define PMF_POLICY_STT_SKINTEMP_HS2 8 #define PMF_POLICY_SYSTEM_STATE 9 +#define PMF_POLICY_BIOS_OUTPUT_1 10 +#define PMF_POLICY_BIOS_OUTPUT_2 11 #define PMF_POLICY_P3T 38 +#define PMF_POLICY_BIOS_OUTPUT_3 57 +#define PMF_POLICY_BIOS_OUTPUT_4 58 +#define PMF_POLICY_BIOS_OUTPUT_5 59 +#define PMF_POLICY_BIOS_OUTPUT_6 60 +#define PMF_POLICY_BIOS_OUTPUT_7 61 +#define PMF_POLICY_BIOS_OUTPUT_8 62 +#define PMF_POLICY_BIOS_OUTPUT_9 63 +#define PMF_POLICY_BIOS_OUTPUT_10 64 /* TA macros */ #define PMF_TA_IF_VERSION_MAJOR 1 @@ -181,6 +198,53 @@ struct apmf_fan_idx { u32 fan_ctl_idx; } __packed; +struct smu_pmf_metrics_v2 { + u16 core_frequency[16]; /* MHz */ + u16 core_power[16]; /* mW */ + u16 core_temp[16]; /* centi-C */ + u16 gfx_temp; /* centi-C */ + u16 soc_temp; /* centi-C */ + u16 stapm_opn_limit; /* mW */ + u16 stapm_cur_limit; /* mW */ + u16 infra_cpu_maxfreq; /* MHz */ + u16 infra_gfx_maxfreq; /* MHz */ + u16 skin_temp; /* centi-C */ + u16 gfxclk_freq; /* MHz */ + u16 fclk_freq; /* MHz */ + u16 gfx_activity; /* GFX busy % [0-100] */ + u16 socclk_freq; /* MHz */ + u16 vclk_freq; /* MHz */ + u16 vcn_activity; /* VCN busy % [0-100] */ + u16 vpeclk_freq; /* MHz */ + u16 ipuclk_freq; /* MHz */ + u16 ipu_busy[8]; /* NPU busy % [0-100] */ + u16 dram_reads; /* MB/sec */ + u16 dram_writes; /* MB/sec */ + u16 core_c0residency[16]; /* C0 residency % [0-100] */ + u16 ipu_power; /* mW */ + u32 apu_power; /* mW */ + u32 gfx_power; /* mW */ + u32 dgpu_power; /* mW */ + u32 socket_power; /* mW */ + u32 all_core_power; /* mW */ + u32 filter_alpha_value; /* time constant [us] */ + u32 metrics_counter; + u16 memclk_freq; /* MHz */ + u16 mpipuclk_freq; /* MHz */ + u16 ipu_reads; /* MB/sec */ + u16 ipu_writes; /* MB/sec */ + u32 throttle_residency_prochot; + u32 throttle_residency_spl; + u32 throttle_residency_fppt; + u32 throttle_residency_sppt; + u32 throttle_residency_thm_core; + u32 throttle_residency_thm_gfx; + u32 throttle_residency_thm_soc; + u16 psys; + u16 spare1; + u32 spare[6]; +} __packed; + struct smu_pmf_metrics { u16 gfxclk_freq; /* in MHz */ u16 socclk_freq; /* in MHz */ @@ -278,6 +342,7 @@ struct amd_pmf_dev { int hb_interval; /* SBIOS heartbeat interval */ struct delayed_work heart_beat; struct smu_pmf_metrics m_table; + struct smu_pmf_metrics_v2 m_table_v2; struct delayed_work work_buffer; ktime_t start_time; int socket_power_history[AVG_SAMPLE_SIZE]; @@ -302,6 +367,7 @@ struct amd_pmf_dev { bool smart_pc_enabled; u16 pmf_if_version; struct input_dev *pmf_idev; + size_t mtable_size; }; struct apmf_sps_prop_granular_v2 { @@ -344,6 +410,12 @@ struct os_power_slider { u8 slider_event; } __packed; +struct amd_pmf_notify_smart_pc_update { + u16 size; + u32 pending_req; + u32 custom_bios[10]; +} __packed; + struct fan_table_control { bool manual; unsigned long fan_id; @@ -717,6 +789,7 @@ extern const struct attribute_group cnqf_feature_attribute_group; int amd_pmf_init_smart_pc(struct amd_pmf_dev *dev); void amd_pmf_deinit_smart_pc(struct amd_pmf_dev *dev); int apmf_check_smart_pc(struct amd_pmf_dev *pmf_dev); +int amd_pmf_smartpc_apply_bios_output(struct amd_pmf_dev *dev, u32 val, u32 preq, u32 idx); /* Smart PC - TA interfaces */ void amd_pmf_populate_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in); diff --git a/drivers/platform/x86/amd/pmf/spc.c b/drivers/platform/x86/amd/pmf/spc.c index 3c153fb1425e..b5183969f9bf 100644 --- a/drivers/platform/x86/amd/pmf/spc.c +++ b/drivers/platform/x86/amd/pmf/spc.c @@ -53,30 +53,49 @@ void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table * void amd_pmf_dump_ta_inputs(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in) {} #endif -static void amd_pmf_get_smu_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in) +static void amd_pmf_get_c0_residency(u16 *core_res, size_t size, struct ta_pmf_enact_table *in) { u16 max, avg = 0; int i; - memset(dev->buf, 0, sizeof(dev->m_table)); - amd_pmf_send_cmd(dev, SET_TRANSFER_TABLE, 0, 7, NULL); - memcpy(&dev->m_table, dev->buf, sizeof(dev->m_table)); - - in->ev_info.socket_power = dev->m_table.apu_power + dev->m_table.dgpu_power; - in->ev_info.skin_temperature = dev->m_table.skin_temp; - /* Get the avg and max C0 residency of all the cores */ - max = dev->m_table.avg_core_c0residency[0]; - for (i = 0; i < ARRAY_SIZE(dev->m_table.avg_core_c0residency); i++) { - avg += dev->m_table.avg_core_c0residency[i]; - if (dev->m_table.avg_core_c0residency[i] > max) - max = dev->m_table.avg_core_c0residency[i]; + max = *core_res; + for (i = 0; i < size; i++) { + avg += core_res[i]; + if (core_res[i] > max) + max = core_res[i]; } - - avg = DIV_ROUND_CLOSEST(avg, ARRAY_SIZE(dev->m_table.avg_core_c0residency)); + avg = DIV_ROUND_CLOSEST(avg, size); in->ev_info.avg_c0residency = avg; in->ev_info.max_c0residency = max; - in->ev_info.gfx_busy = dev->m_table.avg_gfx_activity; +} + +static void amd_pmf_get_smu_info(struct amd_pmf_dev *dev, struct ta_pmf_enact_table *in) +{ + /* Get the updated metrics table data */ + memset(dev->buf, 0, dev->mtable_size); + amd_pmf_send_cmd(dev, SET_TRANSFER_TABLE, 0, 7, NULL); + + switch (dev->cpu_id) { + case AMD_CPU_ID_PS: + memcpy(&dev->m_table, dev->buf, dev->mtable_size); + in->ev_info.socket_power = dev->m_table.apu_power + dev->m_table.dgpu_power; + in->ev_info.skin_temperature = dev->m_table.skin_temp; + in->ev_info.gfx_busy = dev->m_table.avg_gfx_activity; + amd_pmf_get_c0_residency(dev->m_table.avg_core_c0residency, + ARRAY_SIZE(dev->m_table.avg_core_c0residency), in); + break; + case PCI_DEVICE_ID_AMD_1AH_M20H_ROOT: + memcpy(&dev->m_table_v2, dev->buf, dev->mtable_size); + in->ev_info.socket_power = dev->m_table_v2.apu_power + dev->m_table_v2.dgpu_power; + in->ev_info.skin_temperature = dev->m_table_v2.skin_temp; + in->ev_info.gfx_busy = dev->m_table_v2.gfx_activity; + amd_pmf_get_c0_residency(dev->m_table_v2.core_c0residency, + ARRAY_SIZE(dev->m_table_v2.core_c0residency), in); + break; + default: + dev_err(dev->dev, "Unsupported CPU id: 0x%x", dev->cpu_id); + } } static const char * const pmf_battery_supply_name[] = { diff --git a/drivers/platform/x86/amd/pmf/tee-if.c b/drivers/platform/x86/amd/pmf/tee-if.c index e246367aacee..19c27b6e4666 100644 --- a/drivers/platform/x86/amd/pmf/tee-if.c +++ b/drivers/platform/x86/amd/pmf/tee-if.c @@ -160,6 +160,46 @@ static void amd_pmf_apply_policies(struct amd_pmf_dev *dev, struct ta_pmf_enact_ dev_dbg(dev->dev, "update SYSTEM_STATE: %s\n", amd_pmf_uevent_as_str(val)); break; + + case PMF_POLICY_BIOS_OUTPUT_1: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(0), 0); + break; + + case PMF_POLICY_BIOS_OUTPUT_2: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(1), 1); + break; + + case PMF_POLICY_BIOS_OUTPUT_3: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(2), 2); + break; + + case PMF_POLICY_BIOS_OUTPUT_4: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(3), 3); + break; + + case PMF_POLICY_BIOS_OUTPUT_5: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(4), 4); + break; + + case PMF_POLICY_BIOS_OUTPUT_6: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(5), 5); + break; + + case PMF_POLICY_BIOS_OUTPUT_7: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(6), 6); + break; + + case PMF_POLICY_BIOS_OUTPUT_8: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(7), 7); + break; + + case PMF_POLICY_BIOS_OUTPUT_9: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(8), 8); + break; + + case PMF_POLICY_BIOS_OUTPUT_10: + amd_pmf_smartpc_apply_bios_output(dev, val, BIT(9), 9); + break; } } } diff --git a/drivers/platform/x86/asus-laptop.c b/drivers/platform/x86/asus-laptop.c index ccb33d034e2a..9d7e6b712abf 100644 --- a/drivers/platform/x86/asus-laptop.c +++ b/drivers/platform/x86/asus-laptop.c @@ -28,7 +28,6 @@ #include <linux/err.h> #include <linux/proc_fs.h> #include <linux/backlight.h> -#include <linux/fb.h> #include <linux/leds.h> #include <linux/platform_device.h> #include <linux/uaccess.h> @@ -818,7 +817,7 @@ static int asus_backlight_init(struct asus_laptop *asus) asus->backlight_device = bd; bd->props.brightness = asus_read_brightness(bd); - bd->props.power = FB_BLANK_UNBLANK; + bd->props.power = BACKLIGHT_POWER_ON; backlight_update_status(bd); return 0; } diff --git a/drivers/platform/x86/asus-nb-wmi.c b/drivers/platform/x86/asus-nb-wmi.c index ed3633c5955d..ef04d396f61c 100644 --- a/drivers/platform/x86/asus-nb-wmi.c +++ b/drivers/platform/x86/asus-nb-wmi.c @@ -7,12 +7,12 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/backlight.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> -#include <linux/fb.h> #include <linux/dmi.h> #include <linux/i8042.h> @@ -538,7 +538,7 @@ static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver) dmi_check_system(asus_quirks); driver->quirks = quirks; - driver->panel_power = FB_BLANK_UNBLANK; + driver->panel_power = BACKLIGHT_POWER_ON; /* overwrite the wapf setting if the wapf paramater is specified */ if (wapf != -1) diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 321a658e4554..7a48220b4f5a 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -18,7 +18,6 @@ #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/dmi.h> -#include <linux/fb.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/init.h> @@ -97,6 +96,12 @@ module_param(fnlock_default, bool, 0444); #define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST 1 #define ASUS_THROTTLE_THERMAL_POLICY_SILENT 2 +#define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT_VIVO 0 +#define ASUS_THROTTLE_THERMAL_POLICY_SILENT_VIVO 1 +#define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST_VIVO 2 + +#define PLATFORM_PROFILE_MAX 2 + #define USB_INTEL_XUSB2PR 0xD0 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31 @@ -300,8 +305,8 @@ struct asus_wmi { u32 kbd_rgb_dev; bool kbd_rgb_state_available; - bool throttle_thermal_policy_available; u8 throttle_thermal_policy_mode; + u32 throttle_thermal_policy_dev; bool cpu_fan_curve_available; bool gpu_fan_curve_available; @@ -349,20 +354,29 @@ static int asus_wmi_evaluate_method3(u32 method_id, status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, &input, &output); - if (ACPI_FAILURE(status)) + pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x, 0x%08x\n", + __func__, method_id, arg0, arg1, arg2); + if (ACPI_FAILURE(status)) { + pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n", + __func__, method_id, arg0, -EIO); return -EIO; + } obj = (union acpi_object *)output.pointer; if (obj && obj->type == ACPI_TYPE_INTEGER) tmp = (u32) obj->integer.value; + pr_debug("Result: 0x%08x\n", tmp); if (retval) *retval = tmp; kfree(obj); - if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) + if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) { + pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n", + __func__, method_id, arg0, -ENODEV); return -ENODEV; + } return 0; } @@ -392,20 +406,29 @@ static int asus_wmi_evaluate_method5(u32 method_id, status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, &input, &output); - if (ACPI_FAILURE(status)) + pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x, 0x%08x, 0x%08x, 0x%08x\n", + __func__, method_id, arg0, arg1, arg2, arg3, arg4); + if (ACPI_FAILURE(status)) { + pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n", + __func__, method_id, arg0, -EIO); return -EIO; + } obj = (union acpi_object *)output.pointer; if (obj && obj->type == ACPI_TYPE_INTEGER) tmp = (u32) obj->integer.value; + pr_debug("Result: %x\n", tmp); if (retval) *retval = tmp; kfree(obj); - if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) + if (tmp == ASUS_WMI_UNSUPPORTED_METHOD) { + pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n", + __func__, method_id, arg0, -ENODEV); return -ENODEV; + } return 0; } @@ -431,8 +454,13 @@ static int asus_wmi_evaluate_method_buf(u32 method_id, status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id, &input, &output); - if (ACPI_FAILURE(status)) + pr_debug("%s called (0x%08x) with args: 0x%08x, 0x%08x\n", + __func__, method_id, arg0, arg1); + if (ACPI_FAILURE(status)) { + pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n", + __func__, method_id, arg0, -EIO); return -EIO; + } obj = (union acpi_object *)output.pointer; @@ -468,8 +496,11 @@ static int asus_wmi_evaluate_method_buf(u32 method_id, kfree(obj); - if (err) + if (err) { + pr_debug("%s, (0x%08x), arg 0x%08x failed: %d\n", + __func__, method_id, arg0, err); return err; + } return 0; } @@ -557,6 +588,7 @@ static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id) { u32 retval; int status = asus_wmi_get_devstate(asus, dev_id, &retval); + pr_debug("%s called (0x%08x), retval: 0x%08x\n", __func__, dev_id, retval); return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT); } @@ -1722,7 +1754,8 @@ static int asus_wmi_led_init(struct asus_wmi *asus) goto error; } - if (!kbd_led_read(asus, &led_val, NULL)) { + if (!kbd_led_read(asus, &led_val, NULL) && !dmi_check_system(asus_use_hid_led_dmi_ids)) { + pr_info("using asus-wmi for asus::kbd_backlight\n"); asus->kbd_led_wk = led_val; asus->kbd_led.name = "asus::kbd_backlight"; asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED; @@ -3186,7 +3219,7 @@ static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev) int err, fan_idx; u8 mode = 0; - if (asus->throttle_thermal_policy_available) + if (asus->throttle_thermal_policy_dev) mode = asus->throttle_thermal_policy_mode; /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */ if (mode == 2) @@ -3393,7 +3426,7 @@ static ssize_t fan_curve_enable_store(struct device *dev, * For machines with throttle this is the only way to reset fans * to default mode of operation (does not erase curve data). */ - if (asus->throttle_thermal_policy_available) { + if (asus->throttle_thermal_policy_dev) { err = throttle_thermal_policy_write(asus); if (err) return err; @@ -3610,8 +3643,8 @@ static const struct attribute_group asus_fan_curve_attr_group = { __ATTRIBUTE_GROUPS(asus_fan_curve_attr); /* - * Must be initialised after throttle_thermal_policy_check_present() as - * we check the status of throttle_thermal_policy_available during init. + * Must be initialised after throttle_thermal_policy_dev is set as + * we check the status of throttle_thermal_policy_dev during init. */ static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus) { @@ -3621,18 +3654,27 @@ static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus) err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available, ASUS_WMI_DEVID_CPU_FAN_CURVE); - if (err) + if (err) { + pr_debug("%s, checked 0x%08x, failed: %d\n", + __func__, ASUS_WMI_DEVID_CPU_FAN_CURVE, err); return err; + } err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available, ASUS_WMI_DEVID_GPU_FAN_CURVE); - if (err) + if (err) { + pr_debug("%s, checked 0x%08x, failed: %d\n", + __func__, ASUS_WMI_DEVID_GPU_FAN_CURVE, err); return err; + } err = fan_curve_check_present(asus, &asus->mid_fan_curve_available, ASUS_WMI_DEVID_MID_FAN_CURVE); - if (err) + if (err) { + pr_debug("%s, checked 0x%08x, failed: %d\n", + __func__, ASUS_WMI_DEVID_MID_FAN_CURVE, err); return err; + } if (!asus->cpu_fan_curve_available && !asus->gpu_fan_curve_available @@ -3652,38 +3694,13 @@ static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus) } /* Throttle thermal policy ****************************************************/ - -static int throttle_thermal_policy_check_present(struct asus_wmi *asus) -{ - u32 result; - int err; - - asus->throttle_thermal_policy_available = false; - - err = asus_wmi_get_devstate(asus, - ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY, - &result); - if (err) { - if (err == -ENODEV) - return 0; - return err; - } - - if (result & ASUS_WMI_DSTS_PRESENCE_BIT) - asus->throttle_thermal_policy_available = true; - - return 0; -} - static int throttle_thermal_policy_write(struct asus_wmi *asus) { - int err; - u8 value; + u8 value = asus->throttle_thermal_policy_mode; u32 retval; + int err; - value = asus->throttle_thermal_policy_mode; - - err = asus_wmi_set_devstate(ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY, + err = asus_wmi_set_devstate(asus->throttle_thermal_policy_dev, value, &retval); sysfs_notify(&asus->platform_device->dev.kobj, NULL, @@ -3713,7 +3730,7 @@ static int throttle_thermal_policy_write(struct asus_wmi *asus) static int throttle_thermal_policy_set_default(struct asus_wmi *asus) { - if (!asus->throttle_thermal_policy_available) + if (!asus->throttle_thermal_policy_dev) return 0; asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; @@ -3725,7 +3742,7 @@ static int throttle_thermal_policy_switch_next(struct asus_wmi *asus) u8 new_mode = asus->throttle_thermal_policy_mode + 1; int err; - if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT) + if (new_mode > PLATFORM_PROFILE_MAX) new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; asus->throttle_thermal_policy_mode = new_mode; @@ -3764,7 +3781,7 @@ static ssize_t throttle_thermal_policy_store(struct device *dev, if (result < 0) return result; - if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT) + if (new_mode > PLATFORM_PROFILE_MAX) return -EINVAL; asus->throttle_thermal_policy_mode = new_mode; @@ -3781,10 +3798,52 @@ static ssize_t throttle_thermal_policy_store(struct device *dev, return count; } -// Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent +/* + * Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent + */ static DEVICE_ATTR_RW(throttle_thermal_policy); /* Platform profile ***********************************************************/ +static int asus_wmi_platform_profile_to_vivo(struct asus_wmi *asus, int mode) +{ + bool vivo; + + vivo = asus->throttle_thermal_policy_dev == ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO; + + if (vivo) { + switch (mode) { + case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT: + return ASUS_THROTTLE_THERMAL_POLICY_DEFAULT_VIVO; + case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST: + return ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST_VIVO; + case ASUS_THROTTLE_THERMAL_POLICY_SILENT: + return ASUS_THROTTLE_THERMAL_POLICY_SILENT_VIVO; + } + } + + return mode; +} + +static int asus_wmi_platform_profile_mode_from_vivo(struct asus_wmi *asus, int mode) +{ + bool vivo; + + vivo = asus->throttle_thermal_policy_dev == ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO; + + if (vivo) { + switch (mode) { + case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT_VIVO: + return ASUS_THROTTLE_THERMAL_POLICY_DEFAULT; + case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST_VIVO: + return ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST; + case ASUS_THROTTLE_THERMAL_POLICY_SILENT_VIVO: + return ASUS_THROTTLE_THERMAL_POLICY_SILENT; + } + } + + return mode; +} + static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof, enum platform_profile_option *profile) { @@ -3792,10 +3851,9 @@ static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof, int tp; asus = container_of(pprof, struct asus_wmi, platform_profile_handler); - tp = asus->throttle_thermal_policy_mode; - switch (tp) { + switch (asus_wmi_platform_profile_mode_from_vivo(asus, tp)) { case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT: *profile = PLATFORM_PROFILE_BALANCED; break; @@ -3834,7 +3892,7 @@ static int asus_wmi_platform_profile_set(struct platform_profile_handler *pprof, return -EOPNOTSUPP; } - asus->throttle_thermal_policy_mode = tp; + asus->throttle_thermal_policy_mode = asus_wmi_platform_profile_to_vivo(asus, tp); return throttle_thermal_policy_write(asus); } @@ -3847,7 +3905,7 @@ static int platform_profile_setup(struct asus_wmi *asus) * Not an error if a component platform_profile relies on is unavailable * so early return, skipping the setup of platform_profile. */ - if (!asus->throttle_thermal_policy_available) + if (!asus->throttle_thermal_policy_dev) return 0; dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n"); @@ -3862,8 +3920,13 @@ static int platform_profile_setup(struct asus_wmi *asus) asus->platform_profile_handler.choices); err = platform_profile_register(&asus->platform_profile_handler); - if (err) + if (err == -EEXIST) { + pr_warn("%s, a platform_profile handler is already registered\n", __func__); + return 0; + } else if (err) { + pr_err("%s, failed at platform_profile_register: %d\n", __func__, err); return err; + } asus->platform_profile_support = true; return 0; @@ -3884,7 +3947,7 @@ static int read_backlight_power(struct asus_wmi *asus) if (ret < 0) return ret; - return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; + return ret ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF; } static int read_brightness_max(struct asus_wmi *asus) @@ -3943,7 +4006,7 @@ static int update_bl_status(struct backlight_device *bd) power = read_backlight_power(asus); if (power != -ENODEV && bd->props.power != power) { - ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK); + ctrl_param = !!(bd->props.power == BACKLIGHT_POWER_ON); err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, ctrl_param, NULL); if (asus->driver->quirks->store_backlight_power) @@ -4002,7 +4065,7 @@ static int asus_wmi_backlight_init(struct asus_wmi *asus) power = read_backlight_power(asus); if (power == -ENODEV) - power = FB_BLANK_UNBLANK; + power = BACKLIGHT_POWER_ON; else if (power < 0) return power; @@ -4060,7 +4123,7 @@ static int read_screenpad_backlight_power(struct asus_wmi *asus) if (ret < 0) return ret; /* 1 == powered */ - return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; + return ret ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF; } static int read_screenpad_brightness(struct backlight_device *bd) @@ -4073,7 +4136,7 @@ static int read_screenpad_brightness(struct backlight_device *bd) if (err < 0) return err; /* The device brightness can only be read if powered, so return stored */ - if (err == FB_BLANK_POWERDOWN) + if (err == BACKLIGHT_POWER_OFF) return asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN; err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &retval); @@ -4094,7 +4157,7 @@ static int update_screenpad_bl_status(struct backlight_device *bd) return power; if (bd->props.power != power) { - if (power != FB_BLANK_UNBLANK) { + if (power != BACKLIGHT_POWER_ON) { /* Only brightness > 0 can power it back on */ ctrl_param = asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN; err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT, @@ -4102,7 +4165,7 @@ static int update_screenpad_bl_status(struct backlight_device *bd) } else { err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_POWER, 0, NULL); } - } else if (power == FB_BLANK_UNBLANK) { + } else if (power == BACKLIGHT_POWER_ON) { /* Only set brightness if powered on or we get invalid/unsync state */ ctrl_param = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN; err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT, ctrl_param, NULL); @@ -4132,7 +4195,7 @@ static int asus_screenpad_init(struct asus_wmi *asus) if (power < 0) return power; - if (power != FB_BLANK_POWERDOWN) { + if (power != BACKLIGHT_POWER_OFF) { err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &brightness); if (err < 0) return err; @@ -4189,28 +4252,15 @@ static void asus_wmi_fnlock_update(struct asus_wmi *asus) /* WMI events *****************************************************************/ -static int asus_wmi_get_event_code(u32 value) +static int asus_wmi_get_event_code(union acpi_object *obj) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - acpi_status status; int code; - status = wmi_get_event_data(value, &response); - if (ACPI_FAILURE(status)) { - pr_warn("Failed to get WMI notify code: %s\n", - acpi_format_exception(status)); - return -EIO; - } - - obj = (union acpi_object *)response.pointer; - if (obj && obj->type == ACPI_TYPE_INTEGER) code = (int)(obj->integer.value & WMI_EVENT_MASK); else code = -EIO; - kfree(obj); return code; } @@ -4262,7 +4312,7 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus) if (code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_TTP) { if (asus->fan_boost_mode_available) fan_boost_mode_switch_next(asus); - if (asus->throttle_thermal_policy_available) + if (asus->throttle_thermal_policy_dev) throttle_thermal_policy_switch_next(asus); return; @@ -4276,10 +4326,10 @@ static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus) pr_info("Unknown key code 0x%x\n", code); } -static void asus_wmi_notify(u32 value, void *context) +static void asus_wmi_notify(union acpi_object *obj, void *context) { struct asus_wmi *asus = context; - int code = asus_wmi_get_event_code(value); + int code = asus_wmi_get_event_code(obj); if (code < 0) { pr_warn("Failed to get notify code: %d\n", code); @@ -4434,7 +4484,7 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, else if (attr == &dev_attr_fan_boost_mode.attr) ok = asus->fan_boost_mode_available; else if (attr == &dev_attr_throttle_thermal_policy.attr) - ok = asus->throttle_thermal_policy_available; + ok = asus->throttle_thermal_policy_dev != 0; else if (attr == &dev_attr_ppt_pl2_sppt.attr) devid = ASUS_WMI_DEVID_PPT_PL2_SPPT; else if (attr == &dev_attr_ppt_pl1_spl.attr) @@ -4460,8 +4510,10 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, else if (attr == &dev_attr_available_mini_led_mode.attr) ok = asus->mini_led_dev_id != 0; - if (devid != -1) + if (devid != -1) { ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0); + pr_debug("%s called 0x%08x, ok: %x\n", __func__, devid, ok); + } return ok ? attr->mode : 0; } @@ -4726,16 +4778,15 @@ static int asus_wmi_add(struct platform_device *pdev) else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE2)) asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE2; + if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY)) + asus->throttle_thermal_policy_dev = ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY; + else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO)) + asus->throttle_thermal_policy_dev = ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY_VIVO; + err = fan_boost_mode_check_present(asus); if (err) goto fail_fan_boost_mode; - err = throttle_thermal_policy_check_present(asus); - if (err) - goto fail_throttle_thermal_policy; - else - throttle_thermal_policy_set_default(asus); - err = platform_profile_setup(asus); if (err) goto fail_platform_profile_setup; @@ -4830,7 +4881,6 @@ fail_hwmon: fail_input: asus_wmi_sysfs_exit(asus->platform_device); fail_sysfs: -fail_throttle_thermal_policy: fail_custom_fan_curve: fail_platform_profile_setup: if (asus->platform_profile_support) diff --git a/drivers/platform/x86/dell/Kconfig b/drivers/platform/x86/dell/Kconfig index 309236cecd5a..68a49788a396 100644 --- a/drivers/platform/x86/dell/Kconfig +++ b/drivers/platform/x86/dell/Kconfig @@ -49,6 +49,7 @@ config DELL_LAPTOP default m depends on DMI depends on BACKLIGHT_CLASS_DEVICE + depends on ACPI_BATTERY depends on ACPI_VIDEO || ACPI_VIDEO = n depends on RFKILL || RFKILL = n depends on DELL_WMI || DELL_WMI = n diff --git a/drivers/platform/x86/dell/dell-laptop.c b/drivers/platform/x86/dell/dell-laptop.c index 6552dfe491c6..a3cd0505f282 100644 --- a/drivers/platform/x86/dell/dell-laptop.c +++ b/drivers/platform/x86/dell/dell-laptop.c @@ -22,11 +22,13 @@ #include <linux/io.h> #include <linux/rfkill.h> #include <linux/power_supply.h> +#include <linux/sysfs.h> #include <linux/acpi.h> #include <linux/mm.h> #include <linux/i8042.h> #include <linux/debugfs.h> #include <linux/seq_file.h> +#include <acpi/battery.h> #include <acpi/video.h> #include "dell-rbtn.h" #include "dell-smbios.h" @@ -99,6 +101,20 @@ static bool force_rfkill; static bool micmute_led_registered; static bool mute_led_registered; +struct battery_mode_info { + int token; + const char *label; +}; + +static const struct battery_mode_info battery_modes[] = { + { BAT_PRI_AC_MODE_TOKEN, "Trickle" }, + { BAT_EXPRESS_MODE_TOKEN, "Fast" }, + { BAT_STANDARD_MODE_TOKEN, "Standard" }, + { BAT_ADAPTIVE_MODE_TOKEN, "Adaptive" }, + { BAT_CUSTOM_MODE_TOKEN, "Custom" }, +}; +static u32 battery_supported_modes; + module_param(force_rfkill, bool, 0444); MODULE_PARM_DESC(force_rfkill, "enable rfkill on non whitelisted models"); @@ -353,6 +369,32 @@ static const struct dmi_system_id dell_quirks[] __initconst = { { } }; +/* -1 is a sentinel value, telling us to use token->value */ +#define USE_TVAL ((u32) -1) +static int dell_send_request_for_tokenid(struct calling_interface_buffer *buffer, + u16 class, u16 select, u16 tokenid, + u32 val) +{ + struct calling_interface_token *token; + + token = dell_smbios_find_token(tokenid); + if (!token) + return -ENODEV; + + if (val == USE_TVAL) + val = token->value; + + dell_fill_request(buffer, token->location, val, 0, 0); + return dell_send_request(buffer, class, select); +} + +static inline int dell_set_std_token_value(struct calling_interface_buffer *buffer, + u16 tokenid, u32 value) +{ + return dell_send_request_for_tokenid(buffer, CLASS_TOKEN_WRITE, + SELECT_TOKEN_STD, tokenid, value); +} + /* * Derived from information in smbios-wireless-ctl: * @@ -895,43 +937,24 @@ static void dell_cleanup_rfkill(void) static int dell_send_intensity(struct backlight_device *bd) { struct calling_interface_buffer buffer; - struct calling_interface_token *token; - int ret; - - token = dell_smbios_find_token(BRIGHTNESS_TOKEN); - if (!token) - return -ENODEV; - - dell_fill_request(&buffer, - token->location, bd->props.brightness, 0, 0); - if (power_supply_is_system_supplied() > 0) - ret = dell_send_request(&buffer, - CLASS_TOKEN_WRITE, SELECT_TOKEN_AC); - else - ret = dell_send_request(&buffer, - CLASS_TOKEN_WRITE, SELECT_TOKEN_BAT); + u16 select; - return ret; + select = power_supply_is_system_supplied() > 0 ? + SELECT_TOKEN_AC : SELECT_TOKEN_BAT; + return dell_send_request_for_tokenid(&buffer, CLASS_TOKEN_WRITE, + select, BRIGHTNESS_TOKEN, bd->props.brightness); } static int dell_get_intensity(struct backlight_device *bd) { struct calling_interface_buffer buffer; - struct calling_interface_token *token; int ret; + u16 select; - token = dell_smbios_find_token(BRIGHTNESS_TOKEN); - if (!token) - return -ENODEV; - - dell_fill_request(&buffer, token->location, 0, 0, 0); - if (power_supply_is_system_supplied() > 0) - ret = dell_send_request(&buffer, - CLASS_TOKEN_READ, SELECT_TOKEN_AC); - else - ret = dell_send_request(&buffer, - CLASS_TOKEN_READ, SELECT_TOKEN_BAT); - + select = power_supply_is_system_supplied() > 0 ? + SELECT_TOKEN_AC : SELECT_TOKEN_BAT; + ret = dell_send_request_for_tokenid(&buffer, CLASS_TOKEN_READ, + select, BRIGHTNESS_TOKEN, 0); if (ret == 0) ret = buffer.output[1]; @@ -1355,20 +1378,11 @@ static int kbd_set_state_safe(struct kbd_state *state, struct kbd_state *old) static int kbd_set_token_bit(u8 bit) { struct calling_interface_buffer buffer; - struct calling_interface_token *token; - int ret; if (bit >= ARRAY_SIZE(kbd_tokens)) return -EINVAL; - token = dell_smbios_find_token(kbd_tokens[bit]); - if (!token) - return -EINVAL; - - dell_fill_request(&buffer, token->location, token->value, 0, 0); - ret = dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD); - - return ret; + return dell_set_std_token_value(&buffer, kbd_tokens[bit], USE_TVAL); } static int kbd_get_token_bit(u8 bit) @@ -1387,11 +1401,10 @@ static int kbd_get_token_bit(u8 bit) dell_fill_request(&buffer, token->location, 0, 0, 0); ret = dell_send_request(&buffer, CLASS_TOKEN_READ, SELECT_TOKEN_STD); - val = buffer.output[1]; - if (ret) return ret; + val = buffer.output[1]; return (val == token->value); } @@ -1497,7 +1510,7 @@ static inline int kbd_init_info(void) } -static inline void kbd_init_tokens(void) +static inline void __init kbd_init_tokens(void) { int i; @@ -1506,7 +1519,7 @@ static inline void kbd_init_tokens(void) kbd_token_bits |= BIT(i); } -static void kbd_init(void) +static void __init kbd_init(void) { int ret; @@ -2131,21 +2144,11 @@ static int micmute_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct calling_interface_buffer buffer; - struct calling_interface_token *token; - int state = brightness != LED_OFF; + u32 tokenid; - if (state == 0) - token = dell_smbios_find_token(GLOBAL_MIC_MUTE_DISABLE); - else - token = dell_smbios_find_token(GLOBAL_MIC_MUTE_ENABLE); - - if (!token) - return -ENODEV; - - dell_fill_request(&buffer, token->location, token->value, 0, 0); - dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD); - - return 0; + tokenid = brightness == LED_OFF ? + GLOBAL_MIC_MUTE_DISABLE : GLOBAL_MIC_MUTE_ENABLE; + return dell_set_std_token_value(&buffer, tokenid, USE_TVAL); } static struct led_classdev micmute_led_cdev = { @@ -2159,33 +2162,288 @@ static int mute_led_set(struct led_classdev *led_cdev, enum led_brightness brightness) { struct calling_interface_buffer buffer; + u32 tokenid; + + tokenid = brightness == LED_OFF ? + GLOBAL_MUTE_DISABLE : GLOBAL_MUTE_ENABLE; + return dell_set_std_token_value(&buffer, tokenid, USE_TVAL); +} + +static struct led_classdev mute_led_cdev = { + .name = "platform::mute", + .max_brightness = 1, + .brightness_set_blocking = mute_led_set, + .default_trigger = "audio-mute", +}; + +static int dell_battery_set_mode(const u16 tokenid) +{ + struct calling_interface_buffer buffer; + + return dell_set_std_token_value(&buffer, tokenid, USE_TVAL); +} + +static int dell_battery_read(const u16 tokenid) +{ + struct calling_interface_buffer buffer; + int err; + + err = dell_send_request_for_tokenid(&buffer, CLASS_TOKEN_READ, + SELECT_TOKEN_STD, tokenid, 0); + if (err) + return err; + + if (buffer.output[1] > INT_MAX) + return -EIO; + + return buffer.output[1]; +} + +static bool dell_battery_mode_is_active(const u16 tokenid) +{ struct calling_interface_token *token; - int state = brightness != LED_OFF; + int ret; - if (state == 0) - token = dell_smbios_find_token(GLOBAL_MUTE_DISABLE); - else - token = dell_smbios_find_token(GLOBAL_MUTE_ENABLE); + ret = dell_battery_read(tokenid); + if (ret < 0) + return false; - if (!token) + token = dell_smbios_find_token(tokenid); + /* token's already verified by dell_battery_read() */ + + return token->value == (u16) ret; +} + +/* + * The rules: the minimum start charging value is 50%. The maximum + * start charging value is 95%. The minimum end charging value is + * 55%. The maximum end charging value is 100%. And finally, there + * has to be at least a 5% difference between start & end values. + */ +#define CHARGE_START_MIN 50 +#define CHARGE_START_MAX 95 +#define CHARGE_END_MIN 55 +#define CHARGE_END_MAX 100 +#define CHARGE_MIN_DIFF 5 + +static int dell_battery_set_custom_charge_start(int start) +{ + struct calling_interface_buffer buffer; + int end; + + start = clamp(start, CHARGE_START_MIN, CHARGE_START_MAX); + end = dell_battery_read(BAT_CUSTOM_CHARGE_END); + if (end < 0) + return end; + if ((end - start) < CHARGE_MIN_DIFF) + start = end - CHARGE_MIN_DIFF; + + return dell_set_std_token_value(&buffer, BAT_CUSTOM_CHARGE_START, + start); +} + +static int dell_battery_set_custom_charge_end(int end) +{ + struct calling_interface_buffer buffer; + int start; + + end = clamp(end, CHARGE_END_MIN, CHARGE_END_MAX); + start = dell_battery_read(BAT_CUSTOM_CHARGE_START); + if (start < 0) + return start; + if ((end - start) < CHARGE_MIN_DIFF) + end = start + CHARGE_MIN_DIFF; + + return dell_set_std_token_value(&buffer, BAT_CUSTOM_CHARGE_END, end); +} + +static ssize_t charge_types_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + ssize_t count = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(battery_modes); i++) { + bool active; + + if (!(battery_supported_modes & BIT(i))) + continue; + + active = dell_battery_mode_is_active(battery_modes[i].token); + count += sysfs_emit_at(buf, count, active ? "[%s] " : "%s ", + battery_modes[i].label); + } + + /* convert the last space to a newline */ + if (count > 0) + count--; + count += sysfs_emit_at(buf, count, "\n"); + + return count; +} + +static ssize_t charge_types_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + bool matched = false; + int err, i; + + for (i = 0; i < ARRAY_SIZE(battery_modes); i++) { + if (!(battery_supported_modes & BIT(i))) + continue; + + if (sysfs_streq(battery_modes[i].label, buf)) { + matched = true; + break; + } + } + if (!matched) + return -EINVAL; + + err = dell_battery_set_mode(battery_modes[i].token); + if (err) + return err; + + return size; +} + +static ssize_t charge_control_start_threshold_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int start; + + start = dell_battery_read(BAT_CUSTOM_CHARGE_START); + if (start < 0) + return start; + + if (start > CHARGE_START_MAX) + return -EIO; + + return sysfs_emit(buf, "%d\n", start); +} + +static ssize_t charge_control_start_threshold_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + int ret, start; + + ret = kstrtoint(buf, 10, &start); + if (ret) + return ret; + if (start < 0 || start > 100) + return -EINVAL; + + ret = dell_battery_set_custom_charge_start(start); + if (ret) + return ret; + + return size; +} + +static ssize_t charge_control_end_threshold_show(struct device *dev, + struct device_attribute *attr, + char *buf) +{ + int end; + + end = dell_battery_read(BAT_CUSTOM_CHARGE_END); + if (end < 0) + return end; + + if (end > CHARGE_END_MAX) + return -EIO; + + return sysfs_emit(buf, "%d\n", end); +} + +static ssize_t charge_control_end_threshold_store(struct device *dev, + struct device_attribute *attr, + const char *buf, size_t size) +{ + int ret, end; + + ret = kstrtouint(buf, 10, &end); + if (ret) + return ret; + if (end < 0 || end > 100) + return -EINVAL; + + ret = dell_battery_set_custom_charge_end(end); + if (ret) + return ret; + + return size; +} + +static DEVICE_ATTR_RW(charge_control_start_threshold); +static DEVICE_ATTR_RW(charge_control_end_threshold); +static DEVICE_ATTR_RW(charge_types); + +static struct attribute *dell_battery_attrs[] = { + &dev_attr_charge_control_start_threshold.attr, + &dev_attr_charge_control_end_threshold.attr, + &dev_attr_charge_types.attr, + NULL, +}; +ATTRIBUTE_GROUPS(dell_battery); + +static int dell_battery_add(struct power_supply *battery, + struct acpi_battery_hook *hook) +{ + /* this currently only supports the primary battery */ + if (strcmp(battery->desc->name, "BAT0") != 0) return -ENODEV; - dell_fill_request(&buffer, token->location, token->value, 0, 0); - dell_send_request(&buffer, CLASS_TOKEN_WRITE, SELECT_TOKEN_STD); + return device_add_groups(&battery->dev, dell_battery_groups); +} +static int dell_battery_remove(struct power_supply *battery, + struct acpi_battery_hook *hook) +{ + device_remove_groups(&battery->dev, dell_battery_groups); return 0; } -static struct led_classdev mute_led_cdev = { - .name = "platform::mute", - .max_brightness = 1, - .brightness_set_blocking = mute_led_set, - .default_trigger = "audio-mute", +static struct acpi_battery_hook dell_battery_hook = { + .add_battery = dell_battery_add, + .remove_battery = dell_battery_remove, + .name = "Dell Primary Battery Extension", }; +static u32 __init battery_get_supported_modes(void) +{ + u32 modes = 0; + int i; + + for (i = 0; i < ARRAY_SIZE(battery_modes); i++) { + if (dell_smbios_find_token(battery_modes[i].token)) + modes |= BIT(i); + } + + return modes; +} + +static void __init dell_battery_init(struct device *dev) +{ + battery_supported_modes = battery_get_supported_modes(); + + if (battery_supported_modes != 0) + battery_hook_register(&dell_battery_hook); +} + +static void dell_battery_exit(void) +{ + if (battery_supported_modes != 0) + battery_hook_unregister(&dell_battery_hook); +} + static int __init dell_init(void) { - struct calling_interface_token *token; + struct calling_interface_buffer buffer; int max_intensity = 0; int ret; @@ -2219,6 +2477,7 @@ static int __init dell_init(void) touchpad_led_init(&platform_device->dev); kbd_led_init(&platform_device->dev); + dell_battery_init(&platform_device->dev); dell_laptop_dir = debugfs_create_dir("dell_laptop", NULL); debugfs_create_file("rfkill", 0444, dell_laptop_dir, NULL, @@ -2246,16 +2505,10 @@ static int __init dell_init(void) if (acpi_video_get_backlight_type() != acpi_backlight_vendor) return 0; - token = dell_smbios_find_token(BRIGHTNESS_TOKEN); - if (token) { - struct calling_interface_buffer buffer; - - dell_fill_request(&buffer, token->location, 0, 0, 0); - ret = dell_send_request(&buffer, - CLASS_TOKEN_READ, SELECT_TOKEN_AC); - if (ret == 0) - max_intensity = buffer.output[3]; - } + ret = dell_send_request_for_tokenid(&buffer, CLASS_TOKEN_READ, + SELECT_TOKEN_AC, BRIGHTNESS_TOKEN, 0); + if (ret == 0) + max_intensity = buffer.output[3]; if (max_intensity) { struct backlight_properties props; @@ -2293,6 +2546,7 @@ fail_backlight: if (mute_led_registered) led_classdev_unregister(&mute_led_cdev); fail_led: + dell_battery_exit(); dell_cleanup_rfkill(); fail_rfkill: platform_device_del(platform_device); @@ -2311,6 +2565,7 @@ static void __exit dell_exit(void) if (quirks && quirks->touchpad_led) touchpad_led_exit(); kbd_led_exit(); + dell_battery_exit(); backlight_device_unregister(dell_backlight_device); if (micmute_led_registered) led_classdev_unregister(&micmute_led_cdev); diff --git a/drivers/platform/x86/dell/dell-smbios.h b/drivers/platform/x86/dell/dell-smbios.h index ea0cc38642a2..77baa15eb523 100644 --- a/drivers/platform/x86/dell/dell-smbios.h +++ b/drivers/platform/x86/dell/dell-smbios.h @@ -33,6 +33,13 @@ #define KBD_LED_AUTO_50_TOKEN 0x02EB #define KBD_LED_AUTO_75_TOKEN 0x02EC #define KBD_LED_AUTO_100_TOKEN 0x02F6 +#define BAT_PRI_AC_MODE_TOKEN 0x0341 +#define BAT_ADAPTIVE_MODE_TOKEN 0x0342 +#define BAT_CUSTOM_MODE_TOKEN 0x0343 +#define BAT_STANDARD_MODE_TOKEN 0x0346 +#define BAT_EXPRESS_MODE_TOKEN 0x0347 +#define BAT_CUSTOM_CHARGE_START 0x0349 +#define BAT_CUSTOM_CHARGE_END 0x034A #define GLOBAL_MIC_MUTE_ENABLE 0x0364 #define GLOBAL_MIC_MUTE_DISABLE 0x0365 #define GLOBAL_MUTE_ENABLE 0x058C diff --git a/drivers/platform/x86/dell/dell-wmi-aio.c b/drivers/platform/x86/dell/dell-wmi-aio.c index c7b7f1e403fb..54096495719b 100644 --- a/drivers/platform/x86/dell/dell-wmi-aio.c +++ b/drivers/platform/x86/dell/dell-wmi-aio.c @@ -70,20 +70,10 @@ static bool dell_wmi_aio_event_check(u8 *buffer, int length) return false; } -static void dell_wmi_aio_notify(u32 value, void *context) +static void dell_wmi_aio_notify(union acpi_object *obj, void *context) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; struct dell_wmi_event *event; - acpi_status status; - status = wmi_get_event_data(value, &response); - if (status != AE_OK) { - pr_info("bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; if (obj) { unsigned int scancode = 0; @@ -114,7 +104,6 @@ static void dell_wmi_aio_notify(u32 value, void *context) break; } } - kfree(obj); } static int __init dell_wmi_aio_input_setup(void) diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c index 447364bed249..03319a80e114 100644 --- a/drivers/platform/x86/eeepc-laptop.c +++ b/drivers/platform/x86/eeepc-laptop.c @@ -15,7 +15,6 @@ #include <linux/types.h> #include <linux/platform_device.h> #include <linux/backlight.h> -#include <linux/fb.h> #include <linux/hwmon.h> #include <linux/hwmon-sysfs.h> #include <linux/slab.h> @@ -1137,7 +1136,7 @@ static int eeepc_backlight_init(struct eeepc_laptop *eeepc) } eeepc->backlight_device = bd; bd->props.brightness = read_brightness(bd); - bd->props.power = FB_BLANK_UNBLANK; + bd->props.power = BACKLIGHT_POWER_ON; backlight_update_status(bd); return 0; } diff --git a/drivers/platform/x86/eeepc-wmi.c b/drivers/platform/x86/eeepc-wmi.c index 32d9f0ba6be3..37edb9ae67b8 100644 --- a/drivers/platform/x86/eeepc-wmi.c +++ b/drivers/platform/x86/eeepc-wmi.c @@ -13,13 +13,13 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt +#include <linux/backlight.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/init.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> #include <linux/dmi.h> -#include <linux/fb.h> #include <linux/acpi.h> #include "asus-wmi.h" @@ -192,7 +192,7 @@ static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) driver->quirks = quirks; driver->quirks->wapf = -1; - driver->panel_power = FB_BLANK_UNBLANK; + driver->panel_power = BACKLIGHT_POWER_ON; } static struct asus_wmi_driver asus_wmi_driver = { diff --git a/drivers/platform/x86/fujitsu-laptop.c b/drivers/platform/x86/fujitsu-laptop.c index 968fc91bd5e4..ae992ac1ab4a 100644 --- a/drivers/platform/x86/fujitsu-laptop.c +++ b/drivers/platform/x86/fujitsu-laptop.c @@ -43,7 +43,6 @@ #include <linux/bitops.h> #include <linux/dmi.h> #include <linux/backlight.h> -#include <linux/fb.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> #include <linux/kfifo.h> @@ -356,7 +355,7 @@ static int bl_get_brightness(struct backlight_device *b) { struct acpi_device *device = bl_get_data(b); - return b->props.power == FB_BLANK_POWERDOWN ? 0 : get_lcd_level(device); + return b->props.power == BACKLIGHT_POWER_OFF ? 0 : get_lcd_level(device); } static int bl_update_status(struct backlight_device *b) @@ -364,7 +363,7 @@ static int bl_update_status(struct backlight_device *b) struct acpi_device *device = bl_get_data(b); if (fext) { - if (b->props.power == FB_BLANK_POWERDOWN) + if (b->props.power == BACKLIGHT_POWER_OFF) call_fext_func(fext, FUNC_BACKLIGHT, 0x1, BACKLIGHT_PARAM_POWER, BACKLIGHT_OFF); else @@ -933,9 +932,9 @@ static int acpi_fujitsu_laptop_add(struct acpi_device *device) acpi_video_get_backlight_type() == acpi_backlight_vendor) { if (call_fext_func(fext, FUNC_BACKLIGHT, 0x2, BACKLIGHT_PARAM_POWER, 0x0) == BACKLIGHT_OFF) - fujitsu_bl->bl_device->props.power = FB_BLANK_POWERDOWN; + fujitsu_bl->bl_device->props.power = BACKLIGHT_POWER_OFF; else - fujitsu_bl->bl_device->props.power = FB_BLANK_UNBLANK; + fujitsu_bl->bl_device->props.power = BACKLIGHT_POWER_ON; } ret = acpi_fujitsu_laptop_input_setup(device); diff --git a/drivers/platform/x86/hp/hp-wmi.c b/drivers/platform/x86/hp/hp-wmi.c index 876e0a97cee1..8c05e0dd2a21 100644 --- a/drivers/platform/x86/hp/hp-wmi.c +++ b/drivers/platform/x86/hp/hp-wmi.c @@ -834,28 +834,16 @@ static struct attribute *hp_wmi_attrs[] = { }; ATTRIBUTE_GROUPS(hp_wmi); -static void hp_wmi_notify(u32 value, void *context) +static void hp_wmi_notify(union acpi_object *obj, void *context) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; u32 event_id, event_data; - union acpi_object *obj; - acpi_status status; u32 *location; int key_code; - status = wmi_get_event_data(value, &response); - if (status != AE_OK) { - pr_info("bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; - if (!obj) return; if (obj->type != ACPI_TYPE_BUFFER) { pr_info("Unknown response received %d\n", obj->type); - kfree(obj); return; } @@ -872,10 +860,8 @@ static void hp_wmi_notify(u32 value, void *context) event_data = *(location + 2); } else { pr_info("Unknown buffer length %d\n", obj->buffer.length); - kfree(obj); return; } - kfree(obj); switch (event_id) { case HPWMI_DOCK_EVENT: diff --git a/drivers/platform/x86/huawei-wmi.c b/drivers/platform/x86/huawei-wmi.c index 09d476dd832e..d81fd5df4a00 100644 --- a/drivers/platform/x86/huawei-wmi.c +++ b/drivers/platform/x86/huawei-wmi.c @@ -734,26 +734,14 @@ static void huawei_wmi_process_key(struct input_dev *idev, int code) sparse_keymap_report_entry(idev, key, 1, true); } -static void huawei_wmi_input_notify(u32 value, void *context) +static void huawei_wmi_input_notify(union acpi_object *obj, void *context) { struct input_dev *idev = (struct input_dev *)context; - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - acpi_status status; - status = wmi_get_event_data(value, &response); - if (ACPI_FAILURE(status)) { - dev_err(&idev->dev, "Unable to get event data\n"); - return; - } - - obj = (union acpi_object *)response.pointer; if (obj && obj->type == ACPI_TYPE_INTEGER) huawei_wmi_process_key(idev, obj->integer.value); else dev_err(&idev->dev, "Bad response type\n"); - - kfree(response.pointer); } static int huawei_wmi_input_setup(struct device *dev, const char *guid) diff --git a/drivers/platform/x86/ideapad-laptop.c b/drivers/platform/x86/ideapad-laptop.c index 98ec30fce9fd..c64dfc56651d 100644 --- a/drivers/platform/x86/ideapad-laptop.c +++ b/drivers/platform/x86/ideapad-laptop.c @@ -17,11 +17,11 @@ #include <linux/debugfs.h> #include <linux/device.h> #include <linux/dmi.h> -#include <linux/fb.h> #include <linux/i8042.h> #include <linux/init.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> +#include <linux/jiffies.h> #include <linux/kernel.h> #include <linux/leds.h> #include <linux/module.h> @@ -87,6 +87,34 @@ enum { SALS_FNLOCK_OFF = 0xf, }; +enum { + VPCCMD_R_VPC1 = 0x10, + VPCCMD_R_BL_MAX, + VPCCMD_R_BL, + VPCCMD_W_BL, + VPCCMD_R_WIFI, + VPCCMD_W_WIFI, + VPCCMD_R_BT, + VPCCMD_W_BT, + VPCCMD_R_BL_POWER, + VPCCMD_R_NOVO, + VPCCMD_R_VPC2, + VPCCMD_R_TOUCHPAD, + VPCCMD_W_TOUCHPAD, + VPCCMD_R_CAMERA, + VPCCMD_W_CAMERA, + VPCCMD_R_3G, + VPCCMD_W_3G, + VPCCMD_R_ODD, /* 0x21 */ + VPCCMD_W_FAN, + VPCCMD_R_RF, + VPCCMD_W_RF, + VPCCMD_W_YMC = 0x2A, + VPCCMD_R_FAN = 0x2B, + VPCCMD_R_SPECIAL_BUTTONS = 0x31, + VPCCMD_W_BL_POWER = 0x33, +}; + /* * These correspond to the number of supported states - 1 * Future keyboard types may need a new system, if there's a collision @@ -237,6 +265,7 @@ static void ideapad_shared_exit(struct ideapad_private *priv) /* * ACPI Helpers */ +#define IDEAPAD_EC_TIMEOUT 200 /* in ms */ static int eval_int(acpi_handle handle, const char *name, unsigned long *res) { @@ -252,6 +281,29 @@ static int eval_int(acpi_handle handle, const char *name, unsigned long *res) return 0; } +static int eval_int_with_arg(acpi_handle handle, const char *name, unsigned long arg, + unsigned long *res) +{ + struct acpi_object_list params; + unsigned long long result; + union acpi_object in_obj; + acpi_status status; + + params.count = 1; + params.pointer = &in_obj; + in_obj.type = ACPI_TYPE_INTEGER; + in_obj.integer.value = arg; + + status = acpi_evaluate_integer(handle, (char *)name, ¶ms, &result); + if (ACPI_FAILURE(status)) + return -EIO; + + if (res) + *res = result; + + return 0; +} + static int exec_simple_method(acpi_handle handle, const char *name, unsigned long arg) { acpi_status status = acpi_execute_simple_method(handle, (char *)name, arg); @@ -294,6 +346,89 @@ static int eval_dytc(acpi_handle handle, unsigned long cmd, unsigned long *res) return eval_int_with_arg(handle, "DYTC", cmd, res); } +static int eval_vpcr(acpi_handle handle, unsigned long cmd, unsigned long *res) +{ + return eval_int_with_arg(handle, "VPCR", cmd, res); +} + +static int eval_vpcw(acpi_handle handle, unsigned long cmd, unsigned long data) +{ + struct acpi_object_list params; + union acpi_object in_obj[2]; + acpi_status status; + + params.count = 2; + params.pointer = in_obj; + in_obj[0].type = ACPI_TYPE_INTEGER; + in_obj[0].integer.value = cmd; + in_obj[1].type = ACPI_TYPE_INTEGER; + in_obj[1].integer.value = data; + + status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); + if (ACPI_FAILURE(status)) + return -EIO; + + return 0; +} + +static int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *data) +{ + unsigned long end_jiffies, val; + int err; + + err = eval_vpcw(handle, 1, cmd); + if (err) + return err; + + end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1; + + while (time_before(jiffies, end_jiffies)) { + schedule(); + + err = eval_vpcr(handle, 1, &val); + if (err) + return err; + + if (val == 0) + return eval_vpcr(handle, 0, data); + } + + acpi_handle_err(handle, "timeout in %s\n", __func__); + + return -ETIMEDOUT; +} + +static int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long data) +{ + unsigned long end_jiffies, val; + int err; + + err = eval_vpcw(handle, 0, data); + if (err) + return err; + + err = eval_vpcw(handle, 1, cmd); + if (err) + return err; + + end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1; + + while (time_before(jiffies, end_jiffies)) { + schedule(); + + err = eval_vpcr(handle, 1, &val); + if (err) + return err; + + if (val == 0) + return 0; + } + + acpi_handle_err(handle, "timeout in %s\n", __func__); + + return -ETIMEDOUT; +} + /* * debugfs */ @@ -419,13 +554,14 @@ static ssize_t camera_power_show(struct device *dev, char *buf) { struct ideapad_private *priv = dev_get_drvdata(dev); - unsigned long result; + unsigned long result = 0; int err; - scoped_guard(mutex, &priv->vpc_mutex) + scoped_guard(mutex, &priv->vpc_mutex) { err = read_ec_data(priv->adev->handle, VPCCMD_R_CAMERA, &result); - if (err) - return err; + if (err) + return err; + } return sysfs_emit(buf, "%d\n", !!result); } @@ -442,10 +578,11 @@ static ssize_t camera_power_store(struct device *dev, if (err) return err; - scoped_guard(mutex, &priv->vpc_mutex) + scoped_guard(mutex, &priv->vpc_mutex) { err = write_ec_cmd(priv->adev->handle, VPCCMD_W_CAMERA, state); - if (err) - return err; + if (err) + return err; + } return count; } @@ -493,13 +630,14 @@ static ssize_t fan_mode_show(struct device *dev, char *buf) { struct ideapad_private *priv = dev_get_drvdata(dev); - unsigned long result; + unsigned long result = 0; int err; - scoped_guard(mutex, &priv->vpc_mutex) + scoped_guard(mutex, &priv->vpc_mutex) { err = read_ec_data(priv->adev->handle, VPCCMD_R_FAN, &result); - if (err) - return err; + if (err) + return err; + } return sysfs_emit(buf, "%lu\n", result); } @@ -519,10 +657,11 @@ static ssize_t fan_mode_store(struct device *dev, if (state > 4 || state == 3) return -EINVAL; - scoped_guard(mutex, &priv->vpc_mutex) + scoped_guard(mutex, &priv->vpc_mutex) { err = write_ec_cmd(priv->adev->handle, VPCCMD_W_FAN, state); - if (err) - return err; + if (err) + return err; + } return count; } @@ -602,13 +741,14 @@ static ssize_t touchpad_show(struct device *dev, char *buf) { struct ideapad_private *priv = dev_get_drvdata(dev); - unsigned long result; + unsigned long result = 0; int err; - scoped_guard(mutex, &priv->vpc_mutex) + scoped_guard(mutex, &priv->vpc_mutex) { err = read_ec_data(priv->adev->handle, VPCCMD_R_TOUCHPAD, &result); - if (err) - return err; + if (err) + return err; + } priv->r_touchpad_val = result; @@ -627,10 +767,11 @@ static ssize_t touchpad_store(struct device *dev, if (err) return err; - scoped_guard(mutex, &priv->vpc_mutex) + scoped_guard(mutex, &priv->vpc_mutex) { err = write_ec_cmd(priv->adev->handle, VPCCMD_W_TOUCHPAD, state); - if (err) - return err; + if (err) + return err; + } priv->r_touchpad_val = state; @@ -1282,7 +1423,7 @@ static int ideapad_backlight_update_status(struct backlight_device *blightdev) return err; err = write_ec_cmd(priv->adev->handle, VPCCMD_W_BL_POWER, - blightdev->props.power != FB_BLANK_POWERDOWN); + blightdev->props.power != BACKLIGHT_POWER_OFF); if (err) return err; @@ -1332,7 +1473,7 @@ static int ideapad_backlight_init(struct ideapad_private *priv) priv->blightdev = blightdev; blightdev->props.brightness = now; - blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; + blightdev->props.power = power ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF; backlight_update_status(blightdev); @@ -1358,7 +1499,7 @@ static void ideapad_backlight_notify_power(struct ideapad_private *priv) if (read_ec_data(priv->adev->handle, VPCCMD_R_BL_POWER, &power)) return; - blightdev->props.power = power ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; + blightdev->props.power = power ? BACKLIGHT_POWER_ON : BACKLIGHT_POWER_OFF; } static void ideapad_backlight_notify_brightness(struct ideapad_private *priv) diff --git a/drivers/platform/x86/ideapad-laptop.h b/drivers/platform/x86/ideapad-laptop.h index 948cc61800a9..1e52f2aa0aac 100644 --- a/drivers/platform/x86/ideapad-laptop.h +++ b/drivers/platform/x86/ideapad-laptop.h @@ -9,9 +9,6 @@ #ifndef _IDEAPAD_LAPTOP_H_ #define _IDEAPAD_LAPTOP_H_ -#include <linux/acpi.h> -#include <linux/jiffies.h> -#include <linux/errno.h> #include <linux/notifier.h> enum ideapad_laptop_notifier_actions { @@ -22,140 +19,4 @@ int ideapad_laptop_register_notifier(struct notifier_block *nb); int ideapad_laptop_unregister_notifier(struct notifier_block *nb); void ideapad_laptop_call_notifier(unsigned long action, void *data); -enum { - VPCCMD_R_VPC1 = 0x10, - VPCCMD_R_BL_MAX, - VPCCMD_R_BL, - VPCCMD_W_BL, - VPCCMD_R_WIFI, - VPCCMD_W_WIFI, - VPCCMD_R_BT, - VPCCMD_W_BT, - VPCCMD_R_BL_POWER, - VPCCMD_R_NOVO, - VPCCMD_R_VPC2, - VPCCMD_R_TOUCHPAD, - VPCCMD_W_TOUCHPAD, - VPCCMD_R_CAMERA, - VPCCMD_W_CAMERA, - VPCCMD_R_3G, - VPCCMD_W_3G, - VPCCMD_R_ODD, /* 0x21 */ - VPCCMD_W_FAN, - VPCCMD_R_RF, - VPCCMD_W_RF, - VPCCMD_W_YMC = 0x2A, - VPCCMD_R_FAN = 0x2B, - VPCCMD_R_SPECIAL_BUTTONS = 0x31, - VPCCMD_W_BL_POWER = 0x33, -}; - -static inline int eval_int_with_arg(acpi_handle handle, const char *name, unsigned long arg, unsigned long *res) -{ - struct acpi_object_list params; - unsigned long long result; - union acpi_object in_obj; - acpi_status status; - - params.count = 1; - params.pointer = &in_obj; - in_obj.type = ACPI_TYPE_INTEGER; - in_obj.integer.value = arg; - - status = acpi_evaluate_integer(handle, (char *)name, ¶ms, &result); - if (ACPI_FAILURE(status)) - return -EIO; - - if (res) - *res = result; - - return 0; -} - -static inline int eval_vpcr(acpi_handle handle, unsigned long cmd, unsigned long *res) -{ - return eval_int_with_arg(handle, "VPCR", cmd, res); -} - -static inline int eval_vpcw(acpi_handle handle, unsigned long cmd, unsigned long data) -{ - struct acpi_object_list params; - union acpi_object in_obj[2]; - acpi_status status; - - params.count = 2; - params.pointer = in_obj; - in_obj[0].type = ACPI_TYPE_INTEGER; - in_obj[0].integer.value = cmd; - in_obj[1].type = ACPI_TYPE_INTEGER; - in_obj[1].integer.value = data; - - status = acpi_evaluate_object(handle, "VPCW", ¶ms, NULL); - if (ACPI_FAILURE(status)) - return -EIO; - - return 0; -} - -#define IDEAPAD_EC_TIMEOUT 200 /* in ms */ - -static inline int read_ec_data(acpi_handle handle, unsigned long cmd, unsigned long *data) -{ - unsigned long end_jiffies, val; - int err; - - err = eval_vpcw(handle, 1, cmd); - if (err) - return err; - - end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1; - - while (time_before(jiffies, end_jiffies)) { - schedule(); - - err = eval_vpcr(handle, 1, &val); - if (err) - return err; - - if (val == 0) - return eval_vpcr(handle, 0, data); - } - - acpi_handle_err(handle, "timeout in %s\n", __func__); - - return -ETIMEDOUT; -} - -static inline int write_ec_cmd(acpi_handle handle, unsigned long cmd, unsigned long data) -{ - unsigned long end_jiffies, val; - int err; - - err = eval_vpcw(handle, 0, data); - if (err) - return err; - - err = eval_vpcw(handle, 1, cmd); - if (err) - return err; - - end_jiffies = jiffies + msecs_to_jiffies(IDEAPAD_EC_TIMEOUT) + 1; - - while (time_before(jiffies, end_jiffies)) { - schedule(); - - err = eval_vpcr(handle, 1, &val); - if (err) - return err; - - if (val == 0) - return 0; - } - - acpi_handle_err(handle, "timeout in %s\n", __func__); - - return -ETIMEDOUT; -} - -#undef IDEAPAD_EC_TIMEOUT #endif /* !_IDEAPAD_LAPTOP_H_ */ diff --git a/drivers/platform/x86/intel/hid.c b/drivers/platform/x86/intel/hid.c index 10cd65497cc1..445e7a59beb4 100644 --- a/drivers/platform/x86/intel/hid.c +++ b/drivers/platform/x86/intel/hid.c @@ -13,6 +13,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/string_choices.h> #include <linux/suspend.h> #include "../dual_accel_detect.h" @@ -331,10 +332,8 @@ static int intel_hid_set_enable(struct device *device, bool enable) acpi_handle handle = ACPI_HANDLE(device); /* Enable|disable features - power button is always enabled */ - if (!intel_hid_execute_method(handle, INTEL_HID_DSM_HDSM_FN, - enable)) { - dev_warn(device, "failed to %sable hotkeys\n", - enable ? "en" : "dis"); + if (!intel_hid_execute_method(handle, INTEL_HID_DSM_HDSM_FN, enable)) { + dev_warn(device, "failed to %s hotkeys\n", str_enable_disable(enable)); return -EIO; } diff --git a/drivers/platform/x86/intel/ifs/core.c b/drivers/platform/x86/intel/ifs/core.c index 33412a584836..bc252b883210 100644 --- a/drivers/platform/x86/intel/ifs/core.c +++ b/drivers/platform/x86/intel/ifs/core.c @@ -32,6 +32,7 @@ bool *ifs_pkg_auth; static const struct ifs_test_caps scan_test = { .integrity_cap_bit = MSR_INTEGRITY_CAPS_PERIODIC_BIST_BIT, .test_num = IFS_TYPE_SAF, + .image_suffix = "scan", }; static const struct ifs_test_caps array_test = { @@ -39,9 +40,32 @@ static const struct ifs_test_caps array_test = { .test_num = IFS_TYPE_ARRAY_BIST, }; +static const struct ifs_test_msrs scan_msrs = { + .copy_hashes = MSR_COPY_SCAN_HASHES, + .copy_hashes_status = MSR_SCAN_HASHES_STATUS, + .copy_chunks = MSR_AUTHENTICATE_AND_COPY_CHUNK, + .copy_chunks_status = MSR_CHUNKS_AUTHENTICATION_STATUS, + .test_ctrl = MSR_SAF_CTRL, +}; + +static const struct ifs_test_msrs sbaf_msrs = { + .copy_hashes = MSR_COPY_SBAF_HASHES, + .copy_hashes_status = MSR_SBAF_HASHES_STATUS, + .copy_chunks = MSR_AUTHENTICATE_AND_COPY_SBAF_CHUNK, + .copy_chunks_status = MSR_SBAF_CHUNKS_AUTHENTICATION_STATUS, + .test_ctrl = MSR_SBAF_CTRL, +}; + +static const struct ifs_test_caps sbaf_test = { + .integrity_cap_bit = MSR_INTEGRITY_CAPS_SBAF_BIT, + .test_num = IFS_TYPE_SBAF, + .image_suffix = "sbft", +}; + static struct ifs_device ifs_devices[] = { [IFS_TYPE_SAF] = { .test_caps = &scan_test, + .test_msrs = &scan_msrs, .misc = { .name = "intel_ifs_0", .minor = MISC_DYNAMIC_MINOR, @@ -56,6 +80,15 @@ static struct ifs_device ifs_devices[] = { .groups = plat_ifs_array_groups, }, }, + [IFS_TYPE_SBAF] = { + .test_caps = &sbaf_test, + .test_msrs = &sbaf_msrs, + .misc = { + .name = "intel_ifs_2", + .minor = MISC_DYNAMIC_MINOR, + .groups = plat_ifs_groups, + }, + }, }; #define IFS_NUMTESTS ARRAY_SIZE(ifs_devices) diff --git a/drivers/platform/x86/intel/ifs/ifs.h b/drivers/platform/x86/intel/ifs/ifs.h index 56b9f3e3cf76..5c3c0dfa1bf8 100644 --- a/drivers/platform/x86/intel/ifs/ifs.h +++ b/drivers/platform/x86/intel/ifs/ifs.h @@ -126,11 +126,40 @@ * The driver does not make use of this, it only tests one core at a time. * * .. [#f1] https://github.com/intel/TBD + * + * + * Structural Based Functional Test at Field (SBAF): + * ------------------------------------------------- + * + * SBAF is a new type of testing that provides comprehensive core test + * coverage complementing Scan at Field (SAF) testing. SBAF mimics the + * manufacturing screening environment and leverages the same test suite. + * It makes use of Design For Test (DFT) observation sites and features + * to maximize coverage in minimum time. + * + * Similar to the SAF test, SBAF isolates the core under test from the + * rest of the system during execution. Upon completion, the core + * seamlessly resets to its pre-test state and resumes normal operation. + * Any machine checks or hangs encountered during the test are confined to + * the isolated core, preventing disruption to the overall system. + * + * Like the SAF test, the SBAF test is also divided into multiple batches, + * and each batch test can take hundreds of milliseconds (100-200 ms) to + * complete. If such a lengthy interruption is undesirable, it is + * recommended to relocate the time-sensitive applications to other cores. */ #include <linux/device.h> #include <linux/miscdevice.h> #define MSR_ARRAY_BIST 0x00000105 + +#define MSR_COPY_SBAF_HASHES 0x000002b8 +#define MSR_SBAF_HASHES_STATUS 0x000002b9 +#define MSR_AUTHENTICATE_AND_COPY_SBAF_CHUNK 0x000002ba +#define MSR_SBAF_CHUNKS_AUTHENTICATION_STATUS 0x000002bb +#define MSR_ACTIVATE_SBAF 0x000002bc +#define MSR_SBAF_STATUS 0x000002bd + #define MSR_COPY_SCAN_HASHES 0x000002c2 #define MSR_SCAN_HASHES_STATUS 0x000002c3 #define MSR_AUTHENTICATE_AND_COPY_CHUNK 0x000002c4 @@ -140,6 +169,7 @@ #define MSR_ARRAY_TRIGGER 0x000002d6 #define MSR_ARRAY_STATUS 0x000002d7 #define MSR_SAF_CTRL 0x000004f0 +#define MSR_SBAF_CTRL 0x000004f8 #define SCAN_NOT_TESTED 0 #define SCAN_TEST_PASS 1 @@ -147,6 +177,7 @@ #define IFS_TYPE_SAF 0 #define IFS_TYPE_ARRAY_BIST 1 +#define IFS_TYPE_SBAF 2 #define ARRAY_GEN0 0 #define ARRAY_GEN1 1 @@ -196,7 +227,8 @@ union ifs_chunks_auth_status_gen2 { u16 valid_chunks; u16 total_chunks; u32 error_code :8; - u32 rsvd2 :24; + u32 rsvd2 :8; + u32 max_bundle :16; }; }; @@ -253,6 +285,34 @@ union ifs_array { }; }; +/* MSR_ACTIVATE_SBAF bit fields */ +union ifs_sbaf { + u64 data; + struct { + u32 bundle_idx :9; + u32 rsvd1 :5; + u32 pgm_idx :2; + u32 rsvd2 :16; + u32 delay :31; + u32 sigmce :1; + }; +}; + +/* MSR_SBAF_STATUS bit fields */ +union ifs_sbaf_status { + u64 data; + struct { + u32 bundle_idx :9; + u32 rsvd1 :5; + u32 pgm_idx :2; + u32 rsvd2 :16; + u32 error_code :8; + u32 rsvd3 :21; + u32 test_fail :1; + u32 sbaf_status :2; + }; +}; + /* * Driver populated error-codes * 0xFD: Test timed out before completing all the chunks. @@ -261,9 +321,28 @@ union ifs_array { #define IFS_SW_TIMEOUT 0xFD #define IFS_SW_PARTIAL_COMPLETION 0xFE +#define IFS_SUFFIX_SZ 5 + struct ifs_test_caps { int integrity_cap_bit; int test_num; + char image_suffix[IFS_SUFFIX_SZ]; +}; + +/** + * struct ifs_test_msrs - MSRs used in IFS tests + * @copy_hashes: Copy test hash data + * @copy_hashes_status: Status of copied test hash data + * @copy_chunks: Copy chunks of the test data + * @copy_chunks_status: Status of the copied test data chunks + * @test_ctrl: Control the test attributes + */ +struct ifs_test_msrs { + u32 copy_hashes; + u32 copy_hashes_status; + u32 copy_chunks; + u32 copy_chunks_status; + u32 test_ctrl; }; /** @@ -278,6 +357,7 @@ struct ifs_test_caps { * @generation: IFS test generation enumerated by hardware * @chunk_size: size of a test chunk * @array_gen: test generation of array test + * @max_bundle: maximum bundle index */ struct ifs_data { int loaded_version; @@ -290,6 +370,7 @@ struct ifs_data { u32 generation; u32 chunk_size; u32 array_gen; + u32 max_bundle; }; struct ifs_work { @@ -299,6 +380,7 @@ struct ifs_work { struct ifs_device { const struct ifs_test_caps *test_caps; + const struct ifs_test_msrs *test_msrs; struct ifs_data rw_data; struct miscdevice misc; }; @@ -319,6 +401,14 @@ static inline const struct ifs_test_caps *ifs_get_test_caps(struct device *dev) return d->test_caps; } +static inline const struct ifs_test_msrs *ifs_get_test_msrs(struct device *dev) +{ + struct miscdevice *m = dev_get_drvdata(dev); + struct ifs_device *d = container_of(m, struct ifs_device, misc); + + return d->test_msrs; +} + extern bool *ifs_pkg_auth; int ifs_load_firmware(struct device *dev); int do_core_test(int cpu, struct device *dev); diff --git a/drivers/platform/x86/intel/ifs/load.c b/drivers/platform/x86/intel/ifs/load.c index 39f19cb51749..de54bd1a5970 100644 --- a/drivers/platform/x86/intel/ifs/load.c +++ b/drivers/platform/x86/intel/ifs/load.c @@ -118,15 +118,17 @@ static void copy_hashes_authenticate_chunks(struct work_struct *work) union ifs_scan_hashes_status hashes_status; union ifs_chunks_auth_status chunk_status; struct device *dev = local_work->dev; + const struct ifs_test_msrs *msrs; int i, num_chunks, chunk_size; struct ifs_data *ifsd; u64 linear_addr, base; u32 err_code; ifsd = ifs_get_data(dev); + msrs = ifs_get_test_msrs(dev); /* run scan hash copy */ - wrmsrl(MSR_COPY_SCAN_HASHES, ifs_hash_ptr); - rdmsrl(MSR_SCAN_HASHES_STATUS, hashes_status.data); + wrmsrl(msrs->copy_hashes, ifs_hash_ptr); + rdmsrl(msrs->copy_hashes_status, hashes_status.data); /* enumerate the scan image information */ num_chunks = hashes_status.num_chunks; @@ -147,8 +149,8 @@ static void copy_hashes_authenticate_chunks(struct work_struct *work) linear_addr = base + i * chunk_size; linear_addr |= i; - wrmsrl(MSR_AUTHENTICATE_AND_COPY_CHUNK, linear_addr); - rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data); + wrmsrl(msrs->copy_chunks, linear_addr); + rdmsrl(msrs->copy_chunks_status, chunk_status.data); ifsd->valid_chunks = chunk_status.valid_chunks; err_code = chunk_status.error_code; @@ -180,6 +182,7 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev) union ifs_scan_hashes_status_gen2 hashes_status; union ifs_chunks_auth_status_gen2 chunk_status; u32 err_code, valid_chunks, total_chunks; + const struct ifs_test_msrs *msrs; int i, num_chunks, chunk_size; union meta_data *ifs_meta; int starting_chunk_nr; @@ -189,10 +192,11 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev) int retry_count; ifsd = ifs_get_data(dev); + msrs = ifs_get_test_msrs(dev); if (need_copy_scan_hashes(ifsd)) { - wrmsrl(MSR_COPY_SCAN_HASHES, ifs_hash_ptr); - rdmsrl(MSR_SCAN_HASHES_STATUS, hashes_status.data); + wrmsrl(msrs->copy_hashes, ifs_hash_ptr); + rdmsrl(msrs->copy_hashes_status, hashes_status.data); /* enumerate the scan image information */ chunk_size = hashes_status.chunk_size * SZ_1K; @@ -212,8 +216,8 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev) } if (ifsd->generation >= IFS_GEN_STRIDE_AWARE) { - wrmsrl(MSR_SAF_CTRL, INVALIDATE_STRIDE); - rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data); + wrmsrl(msrs->test_ctrl, INVALIDATE_STRIDE); + rdmsrl(msrs->copy_chunks_status, chunk_status.data); if (chunk_status.valid_chunks != 0) { dev_err(dev, "Couldn't invalidate installed stride - %d\n", chunk_status.valid_chunks); @@ -234,9 +238,9 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev) chunk_table[1] = linear_addr; do { local_irq_disable(); - wrmsrl(MSR_AUTHENTICATE_AND_COPY_CHUNK, (u64)chunk_table); + wrmsrl(msrs->copy_chunks, (u64)chunk_table); local_irq_enable(); - rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data); + rdmsrl(msrs->copy_chunks_status, chunk_status.data); err_code = chunk_status.error_code; } while (err_code == AUTH_INTERRUPTED_ERROR && --retry_count); @@ -257,20 +261,22 @@ static int copy_hashes_authenticate_chunks_gen2(struct device *dev) return -EIO; } ifsd->valid_chunks = valid_chunks; + ifsd->max_bundle = chunk_status.max_bundle; return 0; } static int validate_ifs_metadata(struct device *dev) { + const struct ifs_test_caps *test = ifs_get_test_caps(dev); struct ifs_data *ifsd = ifs_get_data(dev); union meta_data *ifs_meta; char test_file[64]; int ret = -EINVAL; - snprintf(test_file, sizeof(test_file), "%02x-%02x-%02x-%02x.scan", + snprintf(test_file, sizeof(test_file), "%02x-%02x-%02x-%02x.%s", boot_cpu_data.x86, boot_cpu_data.x86_model, - boot_cpu_data.x86_stepping, ifsd->cur_batch); + boot_cpu_data.x86_stepping, ifsd->cur_batch, test->image_suffix); ifs_meta = (union meta_data *)find_meta_data(ifs_header_ptr, META_TYPE_IFS); if (!ifs_meta) { @@ -300,6 +306,12 @@ static int validate_ifs_metadata(struct device *dev) return ret; } + if (ifs_meta->test_type != test->test_num) { + dev_warn(dev, "Metadata test_type %d mismatches with device type\n", + ifs_meta->test_type); + return ret; + } + return 0; } @@ -387,9 +399,9 @@ int ifs_load_firmware(struct device *dev) char scan_path[64]; int ret; - snprintf(scan_path, sizeof(scan_path), "intel/ifs_%d/%02x-%02x-%02x-%02x.scan", + snprintf(scan_path, sizeof(scan_path), "intel/ifs_%d/%02x-%02x-%02x-%02x.%s", test->test_num, boot_cpu_data.x86, boot_cpu_data.x86_model, - boot_cpu_data.x86_stepping, ifsd->cur_batch); + boot_cpu_data.x86_stepping, ifsd->cur_batch, test->image_suffix); ret = request_firmware_direct(&fw, scan_path, dev); if (ret) { diff --git a/drivers/platform/x86/intel/ifs/runtest.c b/drivers/platform/x86/intel/ifs/runtest.c index be3d51ed0e47..f978dd05d4d8 100644 --- a/drivers/platform/x86/intel/ifs/runtest.c +++ b/drivers/platform/x86/intel/ifs/runtest.c @@ -29,6 +29,13 @@ struct run_params { union ifs_status status; }; +struct sbaf_run_params { + struct ifs_data *ifsd; + int *retry_cnt; + union ifs_sbaf *activate; + union ifs_sbaf_status status; +}; + /* * Number of TSC cycles that a logical CPU will wait for the other * logical CPU on the core in the WRMSR(ACTIVATE_SCAN). @@ -146,6 +153,7 @@ static bool can_restart(union ifs_status status) #define SPINUNIT 100 /* 100 nsec */ static atomic_t array_cpus_in; static atomic_t scan_cpus_in; +static atomic_t sbaf_cpus_in; /* * Simplified cpu sibling rendezvous loop based on microcode loader __wait_for_cpus() @@ -387,6 +395,225 @@ static void ifs_array_test_gen1(int cpu, struct device *dev) ifsd->status = SCAN_TEST_PASS; } +#define SBAF_STATUS_PASS 0 +#define SBAF_STATUS_SIGN_FAIL 1 +#define SBAF_STATUS_INTR 2 +#define SBAF_STATUS_TEST_FAIL 3 + +enum sbaf_status_err_code { + IFS_SBAF_NO_ERROR = 0, + IFS_SBAF_OTHER_THREAD_COULD_NOT_JOIN = 1, + IFS_SBAF_INTERRUPTED_BEFORE_RENDEZVOUS = 2, + IFS_SBAF_UNASSIGNED_ERROR_CODE3 = 3, + IFS_SBAF_INVALID_BUNDLE_INDEX = 4, + IFS_SBAF_MISMATCH_ARGS_BETWEEN_THREADS = 5, + IFS_SBAF_CORE_NOT_CAPABLE_CURRENTLY = 6, + IFS_SBAF_UNASSIGNED_ERROR_CODE7 = 7, + IFS_SBAF_EXCEED_NUMBER_OF_THREADS_CONCURRENT = 8, + IFS_SBAF_INTERRUPTED_DURING_EXECUTION = 9, + IFS_SBAF_INVALID_PROGRAM_INDEX = 0xA, + IFS_SBAF_CORRUPTED_CHUNK = 0xB, + IFS_SBAF_DID_NOT_START = 0xC, +}; + +static const char * const sbaf_test_status[] = { + [IFS_SBAF_NO_ERROR] = "SBAF no error", + [IFS_SBAF_OTHER_THREAD_COULD_NOT_JOIN] = "Other thread could not join.", + [IFS_SBAF_INTERRUPTED_BEFORE_RENDEZVOUS] = "Interrupt occurred prior to SBAF coordination.", + [IFS_SBAF_UNASSIGNED_ERROR_CODE3] = "Unassigned error code 0x3", + [IFS_SBAF_INVALID_BUNDLE_INDEX] = "Non-valid sbaf bundles. Reload test image", + [IFS_SBAF_MISMATCH_ARGS_BETWEEN_THREADS] = "Mismatch in arguments between threads T0/T1.", + [IFS_SBAF_CORE_NOT_CAPABLE_CURRENTLY] = "Core not capable of performing SBAF currently", + [IFS_SBAF_UNASSIGNED_ERROR_CODE7] = "Unassigned error code 0x7", + [IFS_SBAF_EXCEED_NUMBER_OF_THREADS_CONCURRENT] = "Exceeded number of Logical Processors (LP) allowed to run Scan-At-Field concurrently", + [IFS_SBAF_INTERRUPTED_DURING_EXECUTION] = "Interrupt occurred prior to SBAF start", + [IFS_SBAF_INVALID_PROGRAM_INDEX] = "SBAF program index not valid", + [IFS_SBAF_CORRUPTED_CHUNK] = "SBAF operation aborted due to corrupted chunk", + [IFS_SBAF_DID_NOT_START] = "SBAF operation did not start", +}; + +static void sbaf_message_not_tested(struct device *dev, int cpu, u64 status_data) +{ + union ifs_sbaf_status status = (union ifs_sbaf_status)status_data; + + if (status.error_code < ARRAY_SIZE(sbaf_test_status)) { + dev_info(dev, "CPU(s) %*pbl: SBAF operation did not start. %s\n", + cpumask_pr_args(cpu_smt_mask(cpu)), + sbaf_test_status[status.error_code]); + } else if (status.error_code == IFS_SW_TIMEOUT) { + dev_info(dev, "CPU(s) %*pbl: software timeout during scan\n", + cpumask_pr_args(cpu_smt_mask(cpu))); + } else if (status.error_code == IFS_SW_PARTIAL_COMPLETION) { + dev_info(dev, "CPU(s) %*pbl: %s\n", + cpumask_pr_args(cpu_smt_mask(cpu)), + "Not all SBAF bundles executed. Maximum forward progress retries exceeded"); + } else { + dev_info(dev, "CPU(s) %*pbl: SBAF unknown status %llx\n", + cpumask_pr_args(cpu_smt_mask(cpu)), status.data); + } +} + +static void sbaf_message_fail(struct device *dev, int cpu, union ifs_sbaf_status status) +{ + /* Failed signature check is set when SBAF signature did not match the expected value */ + if (status.sbaf_status == SBAF_STATUS_SIGN_FAIL) { + dev_err(dev, "CPU(s) %*pbl: Failed signature check\n", + cpumask_pr_args(cpu_smt_mask(cpu))); + } + + /* Failed to reach end of test */ + if (status.sbaf_status == SBAF_STATUS_TEST_FAIL) { + dev_err(dev, "CPU(s) %*pbl: Failed to complete test\n", + cpumask_pr_args(cpu_smt_mask(cpu))); + } +} + +static bool sbaf_bundle_completed(union ifs_sbaf_status status) +{ + return !(status.sbaf_status || status.error_code); +} + +static bool sbaf_can_restart(union ifs_sbaf_status status) +{ + enum sbaf_status_err_code err_code = status.error_code; + + /* Signature for chunk is bad, or scan test failed */ + if (status.sbaf_status == SBAF_STATUS_SIGN_FAIL || + status.sbaf_status == SBAF_STATUS_TEST_FAIL) + return false; + + switch (err_code) { + case IFS_SBAF_NO_ERROR: + case IFS_SBAF_OTHER_THREAD_COULD_NOT_JOIN: + case IFS_SBAF_INTERRUPTED_BEFORE_RENDEZVOUS: + case IFS_SBAF_EXCEED_NUMBER_OF_THREADS_CONCURRENT: + case IFS_SBAF_INTERRUPTED_DURING_EXECUTION: + return true; + case IFS_SBAF_UNASSIGNED_ERROR_CODE3: + case IFS_SBAF_INVALID_BUNDLE_INDEX: + case IFS_SBAF_MISMATCH_ARGS_BETWEEN_THREADS: + case IFS_SBAF_CORE_NOT_CAPABLE_CURRENTLY: + case IFS_SBAF_UNASSIGNED_ERROR_CODE7: + case IFS_SBAF_INVALID_PROGRAM_INDEX: + case IFS_SBAF_CORRUPTED_CHUNK: + case IFS_SBAF_DID_NOT_START: + break; + } + return false; +} + +/* + * Execute the SBAF test. Called "simultaneously" on all threads of a core + * at high priority using the stop_cpus mechanism. + */ +static int dosbaf(void *data) +{ + struct sbaf_run_params *run_params = data; + int cpu = smp_processor_id(); + union ifs_sbaf_status status; + struct ifs_data *ifsd; + int first; + + ifsd = run_params->ifsd; + + /* Only the first logical CPU on a core reports result */ + first = cpumask_first(cpu_smt_mask(cpu)); + wait_for_sibling_cpu(&sbaf_cpus_in, NSEC_PER_SEC); + + /* + * This WRMSR will wait for other HT threads to also write + * to this MSR (at most for activate.delay cycles). Then it + * starts scan of each requested bundle. The core test happens + * during the "execution" of the WRMSR. + */ + wrmsrl(MSR_ACTIVATE_SBAF, run_params->activate->data); + rdmsrl(MSR_SBAF_STATUS, status.data); + trace_ifs_sbaf(ifsd->cur_batch, *run_params->activate, status); + + /* Pass back the result of the test */ + if (cpu == first) + run_params->status = status; + + return 0; +} + +static void ifs_sbaf_test_core(int cpu, struct device *dev) +{ + struct sbaf_run_params run_params; + union ifs_sbaf_status status = {}; + union ifs_sbaf activate; + unsigned long timeout; + struct ifs_data *ifsd; + int stop_bundle; + int retries; + + ifsd = ifs_get_data(dev); + + activate.data = 0; + activate.delay = IFS_THREAD_WAIT; + + timeout = jiffies + 2 * HZ; + retries = MAX_IFS_RETRIES; + activate.bundle_idx = 0; + stop_bundle = ifsd->max_bundle; + + while (activate.bundle_idx <= stop_bundle) { + if (time_after(jiffies, timeout)) { + status.error_code = IFS_SW_TIMEOUT; + break; + } + + atomic_set(&sbaf_cpus_in, 0); + + run_params.ifsd = ifsd; + run_params.activate = &activate; + run_params.retry_cnt = &retries; + stop_core_cpuslocked(cpu, dosbaf, &run_params); + + status = run_params.status; + + if (sbaf_bundle_completed(status)) { + activate.bundle_idx = status.bundle_idx + 1; + activate.pgm_idx = 0; + retries = MAX_IFS_RETRIES; + continue; + } + + /* Some cases can be retried, give up for others */ + if (!sbaf_can_restart(status)) + break; + + if (status.pgm_idx == activate.pgm_idx) { + /* If no progress retry */ + if (--retries == 0) { + if (status.error_code == IFS_NO_ERROR) + status.error_code = IFS_SW_PARTIAL_COMPLETION; + break; + } + } else { + /* if some progress, more pgms remaining in bundle, reset retries */ + retries = MAX_IFS_RETRIES; + activate.bundle_idx = status.bundle_idx; + activate.pgm_idx = status.pgm_idx; + } + } + + /* Update status for this core */ + ifsd->scan_details = status.data; + + if (status.sbaf_status == SBAF_STATUS_SIGN_FAIL || + status.sbaf_status == SBAF_STATUS_TEST_FAIL) { + ifsd->status = SCAN_TEST_FAIL; + sbaf_message_fail(dev, cpu, status); + } else if (status.error_code || status.sbaf_status == SBAF_STATUS_INTR || + (activate.bundle_idx < stop_bundle)) { + ifsd->status = SCAN_NOT_TESTED; + sbaf_message_not_tested(dev, cpu, status.data); + } else { + ifsd->status = SCAN_TEST_PASS; + } +} + /* * Initiate per core test. It wakes up work queue threads on the target cpu and * its sibling cpu. Once all sibling threads wake up, the scan test gets executed and @@ -420,6 +647,12 @@ int do_core_test(int cpu, struct device *dev) else ifs_array_test_gen1(cpu, dev); break; + case IFS_TYPE_SBAF: + if (!ifsd->loaded) + ret = -EPERM; + else + ifs_sbaf_test_core(cpu, dev); + break; default: ret = -EINVAL; } diff --git a/drivers/platform/x86/intel/int3472/Makefile b/drivers/platform/x86/intel/int3472/Makefile index 9f16cb514397..a8aba07bf1dc 100644 --- a/drivers/platform/x86/intel/int3472/Makefile +++ b/drivers/platform/x86/intel/int3472/Makefile @@ -1,4 +1,7 @@ obj-$(CONFIG_INTEL_SKL_INT3472) += intel_skl_int3472_discrete.o \ - intel_skl_int3472_tps68470.o -intel_skl_int3472_discrete-y := discrete.o clk_and_regulator.o led.o common.o -intel_skl_int3472_tps68470-y := tps68470.o tps68470_board_data.o common.o + intel_skl_int3472_tps68470.o \ + intel_skl_int3472_common.o +intel_skl_int3472_discrete-y := discrete.o clk_and_regulator.o led.o +intel_skl_int3472_tps68470-y := tps68470.o tps68470_board_data.o + +intel_skl_int3472_common-y += common.o diff --git a/drivers/platform/x86/intel/int3472/common.c b/drivers/platform/x86/intel/int3472/common.c index 9db2bb0bbba4..b3a2578e06c1 100644 --- a/drivers/platform/x86/intel/int3472/common.c +++ b/drivers/platform/x86/intel/int3472/common.c @@ -29,6 +29,7 @@ union acpi_object *skl_int3472_get_acpi_buffer(struct acpi_device *adev, char *i return obj; } +EXPORT_SYMBOL_GPL(skl_int3472_get_acpi_buffer); int skl_int3472_fill_cldb(struct acpi_device *adev, struct int3472_cldb *cldb) { @@ -52,6 +53,7 @@ out_free_obj: kfree(obj); return ret; } +EXPORT_SYMBOL_GPL(skl_int3472_fill_cldb); /* sensor_adev_ret may be NULL, name_ret must not be NULL */ int skl_int3472_get_sensor_adev_and_name(struct device *dev, @@ -80,3 +82,8 @@ int skl_int3472_get_sensor_adev_and_name(struct device *dev, return ret; } +EXPORT_SYMBOL_GPL(skl_int3472_get_sensor_adev_and_name); + +MODULE_DESCRIPTION("Intel SkyLake INT3472 ACPI Device Driver library"); +MODULE_AUTHOR("Daniel Scally <djrscally@gmail.com>"); +MODULE_LICENSE("GPL"); diff --git a/drivers/platform/x86/intel/int3472/discrete.c b/drivers/platform/x86/intel/int3472/discrete.c index 07b302e09340..3de463c3d13b 100644 --- a/drivers/platform/x86/intel/int3472/discrete.c +++ b/drivers/platform/x86/intel/int3472/discrete.c @@ -11,6 +11,7 @@ #include <linux/module.h> #include <linux/overflow.h> #include <linux/platform_device.h> +#include <linux/string_choices.h> #include <linux/uuid.h> #include "common.h" @@ -69,11 +70,7 @@ static int skl_int3472_fill_gpiod_lookup(struct gpiod_lookup *table_entry, if (!adev) return -ENODEV; - table_entry->key = acpi_dev_name(adev); - table_entry->chip_hwnum = agpio->pin_table[0]; - table_entry->con_id = func; - table_entry->idx = 0; - table_entry->flags = polarity; + *table_entry = GPIO_LOOKUP(acpi_dev_name(adev), agpio->pin_table[0], func, polarity); return 0; } @@ -234,7 +231,7 @@ static int skl_int3472_handle_gpio_resources(struct acpi_resource *ares, dev_dbg(int3472->dev, "%s %s pin %d active-%s\n", func, agpio->resource_source.string_ptr, agpio->pin_table[0], - (polarity == GPIO_ACTIVE_HIGH) ? "high" : "low"); + str_high_low(polarity == GPIO_ACTIVE_HIGH)); switch (type) { case INT3472_GPIO_TYPE_RESET: diff --git a/drivers/platform/x86/intel/oaktrail.c b/drivers/platform/x86/intel/oaktrail.c index 217630f40c3f..265cef327b4f 100644 --- a/drivers/platform/x86/intel/oaktrail.c +++ b/drivers/platform/x86/intel/oaktrail.c @@ -28,7 +28,6 @@ #include <linux/backlight.h> #include <linux/dmi.h> #include <linux/err.h> -#include <linux/fb.h> #include <linux/i2c.h> #include <linux/kernel.h> #include <linux/module.h> @@ -250,7 +249,7 @@ static int oaktrail_backlight_init(void) oaktrail_bl_device = bd; bd->props.brightness = get_backlight_brightness(bd); - bd->props.power = FB_BLANK_UNBLANK; + bd->props.power = BACKLIGHT_POWER_ON; backlight_update_status(bd); return 0; diff --git a/drivers/platform/x86/intel/pmc/core.c b/drivers/platform/x86/intel/pmc/core.c index e2b4c74ce7f6..ecb47f8b4f83 100644 --- a/drivers/platform/x86/intel/pmc/core.c +++ b/drivers/platform/x86/intel/pmc/core.c @@ -715,6 +715,49 @@ static int pmc_core_s0ix_blocker_show(struct seq_file *s, void *unused) } DEFINE_SHOW_ATTRIBUTE(pmc_core_s0ix_blocker); +static void pmc_core_ltr_ignore_all(struct pmc_dev *pmcdev) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); i++) { + struct pmc *pmc; + u32 ltr_ign; + + pmc = pmcdev->pmcs[i]; + if (!pmc) + continue; + + guard(mutex)(&pmcdev->lock); + pmc->ltr_ign = pmc_core_reg_read(pmc, pmc->map->ltr_ignore_offset); + + /* ltr_ignore_max is the max index value for LTR ignore register */ + ltr_ign = pmc->ltr_ign | GENMASK(pmc->map->ltr_ignore_max, 0); + pmc_core_reg_write(pmc, pmc->map->ltr_ignore_offset, ltr_ign); + } + + /* + * Ignoring ME during suspend is blocking platforms with ADL PCH to get to + * deeper S0ix substate. + */ + pmc_core_send_ltr_ignore(pmcdev, 6, 0); +} + +static void pmc_core_ltr_restore_all(struct pmc_dev *pmcdev) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(pmcdev->pmcs); i++) { + struct pmc *pmc; + + pmc = pmcdev->pmcs[i]; + if (!pmc) + continue; + + guard(mutex)(&pmcdev->lock); + pmc_core_reg_write(pmc, pmc->map->ltr_ignore_offset, pmc->ltr_ign); + } +} + static inline u64 adjust_lpm_residency(struct pmc *pmc, u32 offset, const int lpm_adj_x2) { @@ -729,12 +772,11 @@ static int pmc_core_substate_res_show(struct seq_file *s, void *unused) struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN]; const int lpm_adj_x2 = pmc->map->lpm_res_counter_step_x2; u32 offset = pmc->map->lpm_residency_offset; - unsigned int i; int mode; seq_printf(s, "%-10s %-15s\n", "Substate", "Residency"); - pmc_for_each_mode(i, mode, pmcdev) { + pmc_for_each_mode(mode, pmcdev) { seq_printf(s, "%-10s %-15llu\n", pmc_lpm_modes[mode], adjust_lpm_residency(pmc, offset + (4 * mode), lpm_adj_x2)); } @@ -788,20 +830,21 @@ DEFINE_SHOW_ATTRIBUTE(pmc_core_substate_l_sts_regs); static void pmc_core_substate_req_header_show(struct seq_file *s, int pmc_index) { struct pmc_dev *pmcdev = s->private; - unsigned int i; int mode; seq_printf(s, "%30s |", "Element"); - pmc_for_each_mode(i, mode, pmcdev) + pmc_for_each_mode(mode, pmcdev) seq_printf(s, " %9s |", pmc_lpm_modes[mode]); - seq_printf(s, " %9s |\n", "Status"); + seq_printf(s, " %9s |", "Status"); + seq_printf(s, " %11s |\n", "Live Status"); } static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused) { struct pmc_dev *pmcdev = s->private; u32 sts_offset; + u32 sts_offset_live; u32 *lpm_req_regs; unsigned int mp, pmc_index; int num_maps; @@ -816,6 +859,7 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused) maps = pmc->map->lpm_sts; num_maps = pmc->map->lpm_num_maps; sts_offset = pmc->map->lpm_status_offset; + sts_offset_live = pmc->map->lpm_live_status_offset; lpm_req_regs = pmc->lpm_req_regs; /* @@ -833,20 +877,24 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused) for (mp = 0; mp < num_maps; mp++) { u32 req_mask = 0; u32 lpm_status; + u32 lpm_status_live; const struct pmc_bit_map *map; - int mode, idx, i, len = 32; + int mode, i, len = 32; /* * Capture the requirements and create a mask so that we only * show an element if it's required for at least one of the * enabled low power modes */ - pmc_for_each_mode(idx, mode, pmcdev) + pmc_for_each_mode(mode, pmcdev) req_mask |= lpm_req_regs[mp + (mode * num_maps)]; /* Get the last latched status for this map */ lpm_status = pmc_core_reg_read(pmc, sts_offset + (mp * 4)); + /* Get the runtime status for this map */ + lpm_status_live = pmc_core_reg_read(pmc, sts_offset_live + (mp * 4)); + /* Loop over elements in this map */ map = maps[mp]; for (i = 0; map[i].name && i < len; i++) { @@ -864,7 +912,7 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused) seq_printf(s, "pmc%d: %26s |", pmc_index, map[i].name); /* Loop over the enabled states and display if required */ - pmc_for_each_mode(idx, mode, pmcdev) { + pmc_for_each_mode(mode, pmcdev) { bool required = lpm_req_regs[mp + (mode * num_maps)] & bit_mask; seq_printf(s, " %9s |", required ? "Required" : " "); @@ -873,6 +921,9 @@ static int pmc_core_substate_req_regs_show(struct seq_file *s, void *unused) /* In Status column, show the last captured state of this agent */ seq_printf(s, " %9s |", lpm_status & bit_mask ? "Yes" : " "); + /* In Live status column, show the live state of this agent */ + seq_printf(s, " %11s |", lpm_status_live & bit_mask ? "Yes" : " "); + seq_puts(s, "\n"); } } @@ -926,7 +977,6 @@ static int pmc_core_lpm_latch_mode_show(struct seq_file *s, void *unused) { struct pmc_dev *pmcdev = s->private; struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN]; - unsigned int idx; bool c10; u32 reg; int mode; @@ -940,7 +990,7 @@ static int pmc_core_lpm_latch_mode_show(struct seq_file *s, void *unused) c10 = true; } - pmc_for_each_mode(idx, mode, pmcdev) { + pmc_for_each_mode(mode, pmcdev) { if ((BIT(mode) & reg) && !c10) seq_printf(s, " [%s]", pmc_lpm_modes[mode]); else @@ -961,7 +1011,6 @@ static ssize_t pmc_core_lpm_latch_mode_write(struct file *file, struct pmc *pmc = pmcdev->pmcs[PMC_IDX_MAIN]; bool clear = false, c10 = false; unsigned char buf[8]; - unsigned int idx; int m, mode; u32 reg; @@ -980,7 +1029,7 @@ static ssize_t pmc_core_lpm_latch_mode_write(struct file *file, mode = sysfs_match_string(pmc_lpm_modes, buf); /* Check string matches enabled mode */ - pmc_for_each_mode(idx, m, pmcdev) + pmc_for_each_mode(m, pmcdev) if (mode == m) break; @@ -1524,6 +1573,10 @@ static bool warn_on_s0ix_failures; module_param(warn_on_s0ix_failures, bool, 0644); MODULE_PARM_DESC(warn_on_s0ix_failures, "Check and warn for S0ix failures"); +static bool ltr_ignore_all_suspend = true; +module_param(ltr_ignore_all_suspend, bool, 0644); +MODULE_PARM_DESC(ltr_ignore_all_suspend, "Ignore all LTRs during suspend"); + static __maybe_unused int pmc_core_suspend(struct device *dev) { struct pmc_dev *pmcdev = dev_get_drvdata(dev); @@ -1533,6 +1586,9 @@ static __maybe_unused int pmc_core_suspend(struct device *dev) if (pmcdev->suspend) pmcdev->suspend(pmcdev); + if (ltr_ignore_all_suspend) + pmc_core_ltr_ignore_all(pmcdev); + /* Check if the syspend will actually use S0ix */ if (pm_suspend_via_firmware()) return 0; @@ -1639,6 +1695,9 @@ static __maybe_unused int pmc_core_resume(struct device *dev) { struct pmc_dev *pmcdev = dev_get_drvdata(dev); + if (ltr_ignore_all_suspend) + pmc_core_ltr_restore_all(pmcdev); + if (pmcdev->resume) return pmcdev->resume(pmcdev); diff --git a/drivers/platform/x86/intel/pmc/core.h b/drivers/platform/x86/intel/pmc/core.h index 4d37ef7113d7..75fd593a7b0f 100644 --- a/drivers/platform/x86/intel/pmc/core.h +++ b/drivers/platform/x86/intel/pmc/core.h @@ -378,6 +378,7 @@ struct pmc_info { * @map: pointer to pmc_reg_map struct that contains platform * specific attributes * @lpm_req_regs: List of substate requirements + * @ltr_ign: Holds LTR ignore data while suspended * * pmc contains info about one power management controller device. */ @@ -386,6 +387,7 @@ struct pmc { void __iomem *regbase; const struct pmc_reg_map *map; u32 *lpm_req_regs; + u32 ltr_ign; }; /** @@ -612,10 +614,12 @@ int lnl_core_init(struct pmc_dev *pmcdev); void cnl_suspend(struct pmc_dev *pmcdev); int cnl_resume(struct pmc_dev *pmcdev); -#define pmc_for_each_mode(i, mode, pmcdev) \ - for (i = 0, mode = pmcdev->lpm_en_modes[i]; \ - i < pmcdev->num_lpm_modes; \ - i++, mode = pmcdev->lpm_en_modes[i]) +#define pmc_for_each_mode(mode, pmcdev) \ + for (unsigned int __i = 0, __cond; \ + __cond = __i < (pmcdev)->num_lpm_modes, \ + __cond && ((mode) = (pmcdev)->lpm_en_modes[__i]), \ + __cond; \ + __i++) #define DEFINE_PMC_CORE_ATTR_WRITE(__name) \ static int __name ## _open(struct inode *inode, struct file *file) \ diff --git a/drivers/platform/x86/intel/pmc/core_ssram.c b/drivers/platform/x86/intel/pmc/core_ssram.c index 1bde86c54eb9..c259c96b7dfd 100644 --- a/drivers/platform/x86/intel/pmc/core_ssram.c +++ b/drivers/platform/x86/intel/pmc/core_ssram.c @@ -9,11 +9,11 @@ */ #include <linux/cleanup.h> +#include <linux/intel_vsec.h> #include <linux/pci.h> #include <linux/io-64-nonatomic-lo-hi.h> #include "core.h" -#include "../vsec.h" #include "../pmt/telemetry.h" #define SSRAM_HDR_SIZE 0x100 @@ -45,7 +45,7 @@ static int pmc_core_get_lpm_req(struct pmc_dev *pmcdev, struct pmc *pmc) struct telem_endpoint *ep; const u8 *lpm_indices; int num_maps, mode_offset = 0; - int ret, mode, i; + int ret, mode; int lpm_size; u32 guid; @@ -116,7 +116,7 @@ static int pmc_core_get_lpm_req(struct pmc_dev *pmcdev, struct pmc *pmc) * */ mode_offset = LPM_HEADER_OFFSET + LPM_MODE_OFFSET; - pmc_for_each_mode(i, mode, pmcdev) { + pmc_for_each_mode(mode, pmcdev) { u32 *req_offset = pmc->lpm_req_regs + (mode * num_maps); int m; diff --git a/drivers/platform/x86/intel/pmt/class.c b/drivers/platform/x86/intel/pmt/class.c index 4b53940a64e2..c04bb7f97a4d 100644 --- a/drivers/platform/x86/intel/pmt/class.c +++ b/drivers/platform/x86/intel/pmt/class.c @@ -9,12 +9,12 @@ */ #include <linux/kernel.h> +#include <linux/intel_vsec.h> #include <linux/io-64-nonatomic-lo-hi.h> #include <linux/module.h> #include <linux/mm.h> #include <linux/pci.h> -#include "../vsec.h" #include "class.h" #define PMT_XA_START 1 @@ -58,6 +58,22 @@ pmt_memcpy64_fromio(void *to, const u64 __iomem *from, size_t count) return count; } +int pmt_telem_read_mmio(struct pci_dev *pdev, struct pmt_callbacks *cb, u32 guid, void *buf, + void __iomem *addr, u32 count) +{ + if (cb && cb->read_telem) + return cb->read_telem(pdev, guid, buf, count); + + if (guid == GUID_SPR_PUNIT) + /* PUNIT on SPR only supports aligned 64-bit read */ + return pmt_memcpy64_fromio(buf, addr, count); + + memcpy_fromio(buf, addr, count); + + return count; +} +EXPORT_SYMBOL_NS_GPL(pmt_telem_read_mmio, INTEL_PMT); + /* * sysfs */ @@ -79,11 +95,8 @@ intel_pmt_read(struct file *filp, struct kobject *kobj, if (count > entry->size - off) count = entry->size - off; - if (entry->guid == GUID_SPR_PUNIT) - /* PUNIT on SPR only supports aligned 64-bit read */ - count = pmt_memcpy64_fromio(buf, entry->base + off, count); - else - memcpy_fromio(buf, entry->base + off, count); + count = pmt_telem_read_mmio(entry->ep->pcidev, entry->cb, entry->header.guid, buf, + entry->base + off, count); return count; } @@ -239,6 +252,7 @@ static int intel_pmt_populate_entry(struct intel_pmt_entry *entry, entry->guid = header->guid; entry->size = header->size; + entry->cb = ivdev->priv_data; return 0; } @@ -300,7 +314,7 @@ static int intel_pmt_dev_register(struct intel_pmt_entry *entry, goto fail_ioremap; if (ns->pmt_add_endpoint) { - ret = ns->pmt_add_endpoint(entry, ivdev->pcidev); + ret = ns->pmt_add_endpoint(ivdev, entry); if (ret) goto fail_add_endpoint; } diff --git a/drivers/platform/x86/intel/pmt/class.h b/drivers/platform/x86/intel/pmt/class.h index d23c63b73ab7..a267ac964423 100644 --- a/drivers/platform/x86/intel/pmt/class.h +++ b/drivers/platform/x86/intel/pmt/class.h @@ -2,13 +2,13 @@ #ifndef _INTEL_PMT_CLASS_H #define _INTEL_PMT_CLASS_H +#include <linux/intel_vsec.h> #include <linux/xarray.h> #include <linux/types.h> #include <linux/bits.h> #include <linux/err.h> #include <linux/io.h> -#include "../vsec.h" #include "telemetry.h" /* PMT access types */ @@ -24,6 +24,7 @@ struct pci_dev; struct telem_endpoint { struct pci_dev *pcidev; struct telem_header header; + struct pmt_callbacks *cb; void __iomem *base; bool present; struct kref kref; @@ -43,6 +44,7 @@ struct intel_pmt_entry { struct kobject *kobj; void __iomem *disc_table; void __iomem *base; + struct pmt_callbacks *cb; unsigned long base_addr; size_t size; u32 guid; @@ -55,10 +57,12 @@ struct intel_pmt_namespace { const struct attribute_group *attr_grp; int (*pmt_header_decode)(struct intel_pmt_entry *entry, struct device *dev); - int (*pmt_add_endpoint)(struct intel_pmt_entry *entry, - struct pci_dev *pdev); + int (*pmt_add_endpoint)(struct intel_vsec_device *ivdev, + struct intel_pmt_entry *entry); }; +int pmt_telem_read_mmio(struct pci_dev *pdev, struct pmt_callbacks *cb, u32 guid, void *buf, + void __iomem *addr, u32 count); bool intel_pmt_is_early_client_hw(struct device *dev); int intel_pmt_dev_create(struct intel_pmt_entry *entry, struct intel_pmt_namespace *ns, diff --git a/drivers/platform/x86/intel/pmt/crashlog.c b/drivers/platform/x86/intel/pmt/crashlog.c index 4014c02cafdb..9079d5dffc03 100644 --- a/drivers/platform/x86/intel/pmt/crashlog.c +++ b/drivers/platform/x86/intel/pmt/crashlog.c @@ -9,6 +9,7 @@ */ #include <linux/auxiliary_bus.h> +#include <linux/intel_vsec.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> @@ -16,7 +17,6 @@ #include <linux/uaccess.h> #include <linux/overflow.h> -#include "../vsec.h" #include "class.h" /* Crashlog discovery header types */ diff --git a/drivers/platform/x86/intel/pmt/telemetry.c b/drivers/platform/x86/intel/pmt/telemetry.c index 09258564dfc4..c9feac859e57 100644 --- a/drivers/platform/x86/intel/pmt/telemetry.c +++ b/drivers/platform/x86/intel/pmt/telemetry.c @@ -9,6 +9,7 @@ */ #include <linux/auxiliary_bus.h> +#include <linux/intel_vsec.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> @@ -16,7 +17,6 @@ #include <linux/uaccess.h> #include <linux/overflow.h> -#include "../vsec.h" #include "class.h" #define TELEM_SIZE_OFFSET 0x0 @@ -93,8 +93,8 @@ static int pmt_telem_header_decode(struct intel_pmt_entry *entry, return 0; } -static int pmt_telem_add_endpoint(struct intel_pmt_entry *entry, - struct pci_dev *pdev) +static int pmt_telem_add_endpoint(struct intel_vsec_device *ivdev, + struct intel_pmt_entry *entry) { struct telem_endpoint *ep; @@ -104,13 +104,14 @@ static int pmt_telem_add_endpoint(struct intel_pmt_entry *entry, return -ENOMEM; ep = entry->ep; - ep->pcidev = pdev; + ep->pcidev = ivdev->pcidev; ep->header.access_type = entry->header.access_type; ep->header.guid = entry->header.guid; ep->header.base_offset = entry->header.base_offset; ep->header.size = entry->header.size; ep->base = entry->base; ep->present = true; + ep->cb = ivdev->priv_data; kref_init(&ep->kref); @@ -218,7 +219,8 @@ int pmt_telem_read(struct telem_endpoint *ep, u32 id, u64 *data, u32 count) if (offset + NUM_BYTES_QWORD(count) > size) return -EINVAL; - memcpy_fromio(data, ep->base + offset, NUM_BYTES_QWORD(count)); + pmt_telem_read_mmio(ep->pcidev, ep->cb, ep->header.guid, data, ep->base + offset, + NUM_BYTES_QWORD(count)); return ep->present ? 0 : -EPIPE; } diff --git a/drivers/platform/x86/intel/sdsi.c b/drivers/platform/x86/intel/sdsi.c index 277e4f4b20ac..9d137621f0e6 100644 --- a/drivers/platform/x86/intel/sdsi.c +++ b/drivers/platform/x86/intel/sdsi.c @@ -12,6 +12,7 @@ #include <linux/bits.h> #include <linux/bitfield.h> #include <linux/device.h> +#include <linux/intel_vsec.h> #include <linux/iopoll.h> #include <linux/kernel.h> #include <linux/module.h> @@ -22,8 +23,6 @@ #include <linux/types.h> #include <linux/uaccess.h> -#include "vsec.h" - #define ACCESS_TYPE_BARID 2 #define ACCESS_TYPE_LOCAL 3 diff --git a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c index 10e21563fa46..9ad35fefea47 100644 --- a/drivers/platform/x86/intel/speed_select_if/isst_if_common.c +++ b/drivers/platform/x86/intel/speed_select_if/isst_if_common.c @@ -651,10 +651,6 @@ static long isst_if_def_ioctl(struct file *file, unsigned int cmd, /* Lock to prevent module registration when already opened by user space */ static DEFINE_MUTEX(punit_misc_dev_open_lock); -/* Lock to allow one shared misc device for all ISST interfaces */ -static DEFINE_MUTEX(punit_misc_dev_reg_lock); -static int misc_usage_count; -static int misc_device_ret; static int misc_device_open; static int isst_if_open(struct inode *inode, struct file *file) @@ -720,39 +716,23 @@ static struct miscdevice isst_if_char_driver = { static int isst_misc_reg(void) { - mutex_lock(&punit_misc_dev_reg_lock); - if (misc_device_ret) - goto unlock_exit; - - if (!misc_usage_count) { - misc_device_ret = isst_if_cpu_info_init(); - if (misc_device_ret) - goto unlock_exit; - - misc_device_ret = misc_register(&isst_if_char_driver); - if (misc_device_ret) { - isst_if_cpu_info_exit(); - goto unlock_exit; - } - } - misc_usage_count++; + int ret; -unlock_exit: - mutex_unlock(&punit_misc_dev_reg_lock); + ret = isst_if_cpu_info_init(); + if (ret) + return ret; - return misc_device_ret; + ret = misc_register(&isst_if_char_driver); + if (ret) + isst_if_cpu_info_exit(); + + return ret; } static void isst_misc_unreg(void) { - mutex_lock(&punit_misc_dev_reg_lock); - if (misc_usage_count) - misc_usage_count--; - if (!misc_usage_count && !misc_device_ret) { - misc_deregister(&isst_if_char_driver); - isst_if_cpu_info_exit(); - } - mutex_unlock(&punit_misc_dev_reg_lock); + misc_deregister(&isst_if_char_driver); + isst_if_cpu_info_exit(); } /** diff --git a/drivers/platform/x86/intel/tpmi.c b/drivers/platform/x86/intel/tpmi.c index 83e8b1fe53b3..486ddc9b3592 100644 --- a/drivers/platform/x86/intel/tpmi.c +++ b/drivers/platform/x86/intel/tpmi.c @@ -51,6 +51,7 @@ #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/intel_tpmi.h> +#include <linux/intel_vsec.h> #include <linux/io.h> #include <linux/iopoll.h> #include <linux/module.h> @@ -59,8 +60,6 @@ #include <linux/sizes.h> #include <linux/string_helpers.h> -#include "vsec.h" - /** * struct intel_tpmi_pfs_entry - TPMI PM Feature Structure (PFS) entry * @tpmi_id: TPMI feature identifier (what the feature is and its data format). diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c index 4e880585cbe4..e22b683a7a43 100644 --- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c +++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.c @@ -60,11 +60,16 @@ static ssize_t show_attr(struct uncore_data *data, char *buf, enum uncore_index static ssize_t store_attr(struct uncore_data *data, const char *buf, ssize_t count, enum uncore_index index) { - unsigned int input; + unsigned int input = 0; int ret; - if (kstrtouint(buf, 10, &input)) - return -EINVAL; + if (index == UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE) { + if (kstrtobool(buf, (bool *)&input)) + return -EINVAL; + } else { + if (kstrtouint(buf, 10, &input)) + return -EINVAL; + } mutex_lock(&uncore_lock); ret = uncore_write(data, input, index); @@ -103,6 +108,18 @@ show_uncore_attr(max_freq_khz, UNCORE_INDEX_MAX_FREQ); show_uncore_attr(current_freq_khz, UNCORE_INDEX_CURRENT_FREQ); +store_uncore_attr(elc_low_threshold_percent, UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD); +store_uncore_attr(elc_high_threshold_percent, UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD); +store_uncore_attr(elc_high_threshold_enable, + UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE); +store_uncore_attr(elc_floor_freq_khz, UNCORE_INDEX_EFF_LAT_CTRL_FREQ); + +show_uncore_attr(elc_low_threshold_percent, UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD); +show_uncore_attr(elc_high_threshold_percent, UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD); +show_uncore_attr(elc_high_threshold_enable, + UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE); +show_uncore_attr(elc_floor_freq_khz, UNCORE_INDEX_EFF_LAT_CTRL_FREQ); + #define show_uncore_data(member_name) \ static ssize_t show_##member_name(struct kobject *kobj, \ struct kobj_attribute *attr, char *buf)\ @@ -146,7 +163,8 @@ show_uncore_data(initial_max_freq_khz); static int create_attr_group(struct uncore_data *data, char *name) { - int ret, freq, index = 0; + int ret, index = 0; + unsigned int val; init_attribute_rw(max_freq_khz); init_attribute_rw(min_freq_khz); @@ -168,10 +186,24 @@ static int create_attr_group(struct uncore_data *data, char *name) data->uncore_attrs[index++] = &data->initial_min_freq_khz_kobj_attr.attr; data->uncore_attrs[index++] = &data->initial_max_freq_khz_kobj_attr.attr; - ret = uncore_read(data, &freq, UNCORE_INDEX_CURRENT_FREQ); + ret = uncore_read(data, &val, UNCORE_INDEX_CURRENT_FREQ); if (!ret) data->uncore_attrs[index++] = &data->current_freq_khz_kobj_attr.attr; + ret = uncore_read(data, &val, UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD); + if (!ret) { + init_attribute_rw(elc_low_threshold_percent); + init_attribute_rw(elc_high_threshold_percent); + init_attribute_rw(elc_high_threshold_enable); + init_attribute_rw(elc_floor_freq_khz); + + data->uncore_attrs[index++] = &data->elc_low_threshold_percent_kobj_attr.attr; + data->uncore_attrs[index++] = &data->elc_high_threshold_percent_kobj_attr.attr; + data->uncore_attrs[index++] = + &data->elc_high_threshold_enable_kobj_attr.attr; + data->uncore_attrs[index++] = &data->elc_floor_freq_khz_kobj_attr.attr; + } + data->uncore_attrs[index] = NULL; data->uncore_attr_group.name = name; diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h index 4c245b945e4e..26c854cd5d97 100644 --- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h +++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-common.h @@ -34,6 +34,13 @@ * @domain_id_kobj_attr: Storage for kobject attribute domain_id * @fabric_cluster_id_kobj_attr: Storage for kobject attribute fabric_cluster_id * @package_id_kobj_attr: Storage for kobject attribute package_id + * @elc_low_threshold_percent_kobj_attr: + Storage for kobject attribute elc_low_threshold_percent + * @elc_high_threshold_percent_kobj_attr: + Storage for kobject attribute elc_high_threshold_percent + * @elc_high_threshold_enable_kobj_attr: + Storage for kobject attribute elc_high_threshold_enable + * @elc_floor_freq_khz_kobj_attr: Storage for kobject attribute elc_floor_freq_khz * @uncore_attrs: Attribute storage for group creation * * This structure is used to encapsulate all data related to uncore sysfs @@ -61,7 +68,11 @@ struct uncore_data { struct kobj_attribute domain_id_kobj_attr; struct kobj_attribute fabric_cluster_id_kobj_attr; struct kobj_attribute package_id_kobj_attr; - struct attribute *uncore_attrs[9]; + struct kobj_attribute elc_low_threshold_percent_kobj_attr; + struct kobj_attribute elc_high_threshold_percent_kobj_attr; + struct kobj_attribute elc_high_threshold_enable_kobj_attr; + struct kobj_attribute elc_floor_freq_khz_kobj_attr; + struct attribute *uncore_attrs[13]; }; #define UNCORE_DOMAIN_ID_INVALID -1 @@ -70,6 +81,10 @@ enum uncore_index { UNCORE_INDEX_MIN_FREQ, UNCORE_INDEX_MAX_FREQ, UNCORE_INDEX_CURRENT_FREQ, + UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD, + UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD, + UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE, + UNCORE_INDEX_EFF_LAT_CTRL_FREQ, }; int uncore_freq_common_init(int (*read)(struct uncore_data *data, unsigned int *value, diff --git a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c index 9fa3037c03d1..0591053813a2 100644 --- a/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c +++ b/drivers/platform/x86/intel/uncore-frequency/uncore-frequency-tpmi.c @@ -30,6 +30,7 @@ #define UNCORE_MAJOR_VERSION 0 #define UNCORE_MINOR_VERSION 2 +#define UNCORE_ELC_SUPPORTED_VERSION 2 #define UNCORE_HEADER_INDEX 0 #define UNCORE_FABRIC_CLUSTER_OFFSET 8 @@ -46,6 +47,7 @@ struct tpmi_uncore_struct; /* Information for each cluster */ struct tpmi_uncore_cluster_info { bool root_domain; + bool elc_supported; u8 __iomem *cluster_base; struct uncore_data uncore_data; struct tpmi_uncore_struct *uncore_root; @@ -75,6 +77,10 @@ struct tpmi_uncore_struct { /* Bit definitions for CONTROL register */ #define UNCORE_MAX_RATIO_MASK GENMASK_ULL(14, 8) #define UNCORE_MIN_RATIO_MASK GENMASK_ULL(21, 15) +#define UNCORE_EFF_LAT_CTRL_RATIO_MASK GENMASK_ULL(28, 22) +#define UNCORE_EFF_LAT_CTRL_LOW_THRESHOLD_MASK GENMASK_ULL(38, 32) +#define UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE BIT(39) +#define UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_MASK GENMASK_ULL(46, 40) /* Helper function to read MMIO offset for max/min control frequency */ static void read_control_freq(struct tpmi_uncore_cluster_info *cluster_info, @@ -89,6 +95,48 @@ static void read_control_freq(struct tpmi_uncore_cluster_info *cluster_info, *value = FIELD_GET(UNCORE_MIN_RATIO_MASK, control) * UNCORE_FREQ_KHZ_MULTIPLIER; } +/* Helper function to read efficiency latency control values over MMIO */ +static int read_eff_lat_ctrl(struct uncore_data *data, unsigned int *val, enum uncore_index index) +{ + struct tpmi_uncore_cluster_info *cluster_info; + u64 ctrl; + + cluster_info = container_of(data, struct tpmi_uncore_cluster_info, uncore_data); + if (cluster_info->root_domain) + return -ENODATA; + + if (!cluster_info->elc_supported) + return -EOPNOTSUPP; + + ctrl = readq(cluster_info->cluster_base + UNCORE_CONTROL_INDEX); + + switch (index) { + case UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD: + *val = FIELD_GET(UNCORE_EFF_LAT_CTRL_LOW_THRESHOLD_MASK, ctrl); + *val *= 100; + *val = DIV_ROUND_UP(*val, FIELD_MAX(UNCORE_EFF_LAT_CTRL_LOW_THRESHOLD_MASK)); + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD: + *val = FIELD_GET(UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_MASK, ctrl); + *val *= 100; + *val = DIV_ROUND_UP(*val, FIELD_MAX(UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_MASK)); + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE: + *val = FIELD_GET(UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE, ctrl); + break; + case UNCORE_INDEX_EFF_LAT_CTRL_FREQ: + *val = FIELD_GET(UNCORE_EFF_LAT_CTRL_RATIO_MASK, ctrl) * UNCORE_FREQ_KHZ_MULTIPLIER; + break; + + default: + return -EOPNOTSUPP; + } + + return 0; +} + #define UNCORE_MAX_RATIO FIELD_MAX(UNCORE_MAX_RATIO_MASK) /* Helper for sysfs read for max/min frequencies. Called under mutex locks */ @@ -137,6 +185,82 @@ static int uncore_read_control_freq(struct uncore_data *data, unsigned int *valu return 0; } +/* Helper function for writing efficiency latency control values over MMIO */ +static int write_eff_lat_ctrl(struct uncore_data *data, unsigned int val, enum uncore_index index) +{ + struct tpmi_uncore_cluster_info *cluster_info; + u64 control; + + cluster_info = container_of(data, struct tpmi_uncore_cluster_info, uncore_data); + + if (cluster_info->root_domain) + return -ENODATA; + + if (!cluster_info->elc_supported) + return -EOPNOTSUPP; + + switch (index) { + case UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD: + if (val > 100) + return -EINVAL; + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD: + if (val > 100) + return -EINVAL; + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE: + if (val > 1) + return -EINVAL; + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_FREQ: + val /= UNCORE_FREQ_KHZ_MULTIPLIER; + if (val > FIELD_MAX(UNCORE_EFF_LAT_CTRL_RATIO_MASK)) + return -EINVAL; + break; + + default: + return -EOPNOTSUPP; + } + + control = readq(cluster_info->cluster_base + UNCORE_CONTROL_INDEX); + + switch (index) { + case UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD: + val *= FIELD_MAX(UNCORE_EFF_LAT_CTRL_LOW_THRESHOLD_MASK); + val /= 100; + control &= ~UNCORE_EFF_LAT_CTRL_LOW_THRESHOLD_MASK; + control |= FIELD_PREP(UNCORE_EFF_LAT_CTRL_LOW_THRESHOLD_MASK, val); + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD: + val *= FIELD_MAX(UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_MASK); + val /= 100; + control &= ~UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_MASK; + control |= FIELD_PREP(UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_MASK, val); + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE: + control &= ~UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE; + control |= FIELD_PREP(UNCORE_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE, val); + break; + + case UNCORE_INDEX_EFF_LAT_CTRL_FREQ: + control &= ~UNCORE_EFF_LAT_CTRL_RATIO_MASK; + control |= FIELD_PREP(UNCORE_EFF_LAT_CTRL_RATIO_MASK, val); + break; + + default: + break; + } + + writeq(control, cluster_info->cluster_base + UNCORE_CONTROL_INDEX); + + return 0; +} + /* Helper function to write MMIO offset for max/min control frequency */ static void write_control_freq(struct tpmi_uncore_cluster_info *cluster_info, unsigned int input, unsigned int index) @@ -156,7 +280,7 @@ static void write_control_freq(struct tpmi_uncore_cluster_info *cluster_info, un writeq(control, (cluster_info->cluster_base + UNCORE_CONTROL_INDEX)); } -/* Callback for sysfs write for max/min frequencies. Called under mutex locks */ +/* Helper for sysfs write for max/min frequencies. Called under mutex locks */ static int uncore_write_control_freq(struct uncore_data *data, unsigned int input, enum uncore_index index) { @@ -234,6 +358,33 @@ static int uncore_read(struct uncore_data *data, unsigned int *value, enum uncor case UNCORE_INDEX_CURRENT_FREQ: return uncore_read_freq(data, value); + case UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD: + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD: + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE: + case UNCORE_INDEX_EFF_LAT_CTRL_FREQ: + return read_eff_lat_ctrl(data, value, index); + + default: + break; + } + + return -EOPNOTSUPP; +} + +/* Callback for sysfs write for TPMI uncore data. Called under mutex locks. */ +static int uncore_write(struct uncore_data *data, unsigned int value, enum uncore_index index) +{ + switch (index) { + case UNCORE_INDEX_EFF_LAT_CTRL_LOW_THRESHOLD: + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD: + case UNCORE_INDEX_EFF_LAT_CTRL_HIGH_THRESHOLD_ENABLE: + case UNCORE_INDEX_EFF_LAT_CTRL_FREQ: + return write_eff_lat_ctrl(data, value, index); + + case UNCORE_INDEX_MIN_FREQ: + case UNCORE_INDEX_MAX_FREQ: + return uncore_write_control_freq(data, value, index); + default: break; } @@ -291,7 +442,7 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_ return -EINVAL; /* Register callbacks to uncore core */ - ret = uncore_freq_common_init(uncore_read, uncore_write_control_freq); + ret = uncore_freq_common_init(uncore_read, uncore_write); if (ret) return ret; @@ -409,6 +560,9 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_ cluster_info->uncore_root = tpmi_uncore; + if (TPMI_MINOR_VERSION(pd_info->ufs_header_ver) >= UNCORE_ELC_SUPPORTED_VERSION) + cluster_info->elc_supported = true; + ret = uncore_freq_add_entry(&cluster_info->uncore_data, 0); if (ret) { cluster_info->cluster_base = NULL; @@ -427,6 +581,9 @@ static int uncore_probe(struct auxiliary_device *auxdev, const struct auxiliary_ auxiliary_set_drvdata(auxdev, tpmi_uncore); + if (topology_max_dies_per_package() > 1) + return 0; + tpmi_uncore->root_cluster.root_domain = true; tpmi_uncore->root_cluster.uncore_root = tpmi_uncore; @@ -450,7 +607,9 @@ static void uncore_remove(struct auxiliary_device *auxdev) { struct tpmi_uncore_struct *tpmi_uncore = auxiliary_get_drvdata(auxdev); - uncore_freq_remove_die_entry(&tpmi_uncore->root_cluster.uncore_data); + if (tpmi_uncore->root_cluster.root_domain) + uncore_freq_remove_die_entry(&tpmi_uncore->root_cluster.uncore_data); + remove_cluster_entries(tpmi_uncore); uncore_freq_common_exit(); diff --git a/drivers/platform/x86/intel/vsec.c b/drivers/platform/x86/intel/vsec.c index 0fdfaf3a4f5c..7b5cc9993974 100644 --- a/drivers/platform/x86/intel/vsec.c +++ b/drivers/platform/x86/intel/vsec.c @@ -17,14 +17,13 @@ #include <linux/bits.h> #include <linux/cleanup.h> #include <linux/delay.h> -#include <linux/kernel.h> #include <linux/idr.h> +#include <linux/intel_vsec.h> +#include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> #include <linux/types.h> -#include "vsec.h" - #define PMT_XA_START 0 #define PMT_XA_MAX INT_MAX #define PMT_XA_LIMIT XA_LIMIT(PMT_XA_START, PMT_XA_MAX) @@ -213,6 +212,7 @@ static int intel_vsec_add_dev(struct pci_dev *pdev, struct intel_vsec_header *he intel_vsec_dev->num_resources = header->num_entries; intel_vsec_dev->quirks = info->quirks; intel_vsec_dev->base_addr = info->base_addr; + intel_vsec_dev->priv_data = info->priv_data; if (header->id == VSEC_ID_SDSI) intel_vsec_dev->ida = &intel_vsec_sdsi_ida; @@ -341,7 +341,7 @@ static bool intel_vsec_walk_vsec(struct pci_dev *pdev, void intel_vsec_register(struct pci_dev *pdev, struct intel_vsec_platform_info *info) { - if (!pdev || !info) + if (!pdev || !info || !info->headers) return; intel_vsec_walk_header(pdev, info); diff --git a/drivers/platform/x86/intel/vsec.h b/drivers/platform/x86/intel/vsec.h deleted file mode 100644 index e23e76129691..000000000000 --- a/drivers/platform/x86/intel/vsec.h +++ /dev/null @@ -1,108 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0 */ -#ifndef _VSEC_H -#define _VSEC_H - -#include <linux/auxiliary_bus.h> -#include <linux/bits.h> - -#define VSEC_CAP_TELEMETRY BIT(0) -#define VSEC_CAP_WATCHER BIT(1) -#define VSEC_CAP_CRASHLOG BIT(2) -#define VSEC_CAP_SDSI BIT(3) -#define VSEC_CAP_TPMI BIT(4) - -/* Intel DVSEC offsets */ -#define INTEL_DVSEC_ENTRIES 0xA -#define INTEL_DVSEC_SIZE 0xB -#define INTEL_DVSEC_TABLE 0xC -#define INTEL_DVSEC_TABLE_BAR(x) ((x) & GENMASK(2, 0)) -#define INTEL_DVSEC_TABLE_OFFSET(x) ((x) & GENMASK(31, 3)) -#define TABLE_OFFSET_SHIFT 3 - -struct pci_dev; -struct resource; - -enum intel_vsec_id { - VSEC_ID_TELEMETRY = 2, - VSEC_ID_WATCHER = 3, - VSEC_ID_CRASHLOG = 4, - VSEC_ID_SDSI = 65, - VSEC_ID_TPMI = 66, -}; - -/** - * struct intel_vsec_header - Common fields of Intel VSEC and DVSEC registers. - * @rev: Revision ID of the VSEC/DVSEC register space - * @length: Length of the VSEC/DVSEC register space - * @id: ID of the feature - * @num_entries: Number of instances of the feature - * @entry_size: Size of the discovery table for each feature - * @tbir: BAR containing the discovery tables - * @offset: BAR offset of start of the first discovery table - */ -struct intel_vsec_header { - u8 rev; - u16 length; - u16 id; - u8 num_entries; - u8 entry_size; - u8 tbir; - u32 offset; -}; - -enum intel_vsec_quirks { - /* Watcher feature not supported */ - VSEC_QUIRK_NO_WATCHER = BIT(0), - - /* Crashlog feature not supported */ - VSEC_QUIRK_NO_CRASHLOG = BIT(1), - - /* Use shift instead of mask to read discovery table offset */ - VSEC_QUIRK_TABLE_SHIFT = BIT(2), - - /* DVSEC not present (provided in driver data) */ - VSEC_QUIRK_NO_DVSEC = BIT(3), - - /* Platforms requiring quirk in the auxiliary driver */ - VSEC_QUIRK_EARLY_HW = BIT(4), -}; - -/* Platform specific data */ -struct intel_vsec_platform_info { - struct device *parent; - struct intel_vsec_header **headers; - unsigned long caps; - unsigned long quirks; - u64 base_addr; -}; - -struct intel_vsec_device { - struct auxiliary_device auxdev; - struct pci_dev *pcidev; - struct resource *resource; - struct ida *ida; - int num_resources; - int id; /* xa */ - void *priv_data; - size_t priv_data_size; - unsigned long quirks; - u64 base_addr; -}; - -int intel_vsec_add_aux(struct pci_dev *pdev, struct device *parent, - struct intel_vsec_device *intel_vsec_dev, - const char *name); - -static inline struct intel_vsec_device *dev_to_ivdev(struct device *dev) -{ - return container_of(dev, struct intel_vsec_device, auxdev.dev); -} - -static inline struct intel_vsec_device *auxdev_to_ivdev(struct auxiliary_device *auxdev) -{ - return container_of(auxdev, struct intel_vsec_device, auxdev); -} - -void intel_vsec_register(struct pci_dev *pdev, - struct intel_vsec_platform_info *info); -#endif diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index a68df4133403..5b16d29c93d7 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -23,7 +23,7 @@ #include <linux/module.h> #include <linux/slab.h> -#include <asm/intel_scu_ipc.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> /* IPC defines the following message types */ #define IPCMSG_PCNTRL 0xff /* Power controller unit read/write */ diff --git a/drivers/platform/x86/intel_scu_ipcutil.c b/drivers/platform/x86/intel_scu_ipcutil.c index 7d87cbd4b9c6..69b36ce41fa2 100644 --- a/drivers/platform/x86/intel_scu_ipcutil.c +++ b/drivers/platform/x86/intel_scu_ipcutil.c @@ -18,7 +18,7 @@ #include <linux/types.h> #include <linux/uaccess.h> -#include <asm/intel_scu_ipc.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> static int major; diff --git a/drivers/platform/x86/intel_scu_pcidrv.c b/drivers/platform/x86/intel_scu_pcidrv.c index dbf0310448da..d7f72d6deb44 100644 --- a/drivers/platform/x86/intel_scu_pcidrv.c +++ b/drivers/platform/x86/intel_scu_pcidrv.c @@ -11,7 +11,7 @@ #include <linux/init.h> #include <linux/pci.h> -#include <asm/intel_scu_ipc.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> static int intel_scu_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id) diff --git a/drivers/platform/x86/intel_scu_pltdrv.c b/drivers/platform/x86/intel_scu_pltdrv.c index 56ec6ae4c824..0892362acd7b 100644 --- a/drivers/platform/x86/intel_scu_pltdrv.c +++ b/drivers/platform/x86/intel_scu_pltdrv.c @@ -15,7 +15,7 @@ #include <linux/module.h> #include <linux/platform_device.h> -#include <asm/intel_scu_ipc.h> +#include <linux/platform_data/x86/intel_scu_ipc.h> static int intel_scu_platform_probe(struct platform_device *pdev) { diff --git a/drivers/platform/x86/intel_scu_wdt.c b/drivers/platform/x86/intel_scu_wdt.c index d0b6637861d3..746d47d33406 100644 --- a/drivers/platform/x86/intel_scu_wdt.c +++ b/drivers/platform/x86/intel_scu_wdt.c @@ -9,13 +9,14 @@ #include <linux/init.h> #include <linux/interrupt.h> #include <linux/platform_device.h> -#include <linux/platform_data/intel-mid_wdt.h> #include <asm/cpu_device_id.h> #include <asm/intel-family.h> #include <asm/io_apic.h> #include <asm/hw_irq.h> +#include <linux/platform_data/x86/intel-mid_wdt.h> + #define TANGIER_EXT_TIMER0_MSI 12 static struct platform_device wdt_dev = { diff --git a/drivers/platform/x86/lenovo-ymc.c b/drivers/platform/x86/lenovo-ymc.c index e0bbd6a14a89..bd9f95404c7c 100644 --- a/drivers/platform/x86/lenovo-ymc.c +++ b/drivers/platform/x86/lenovo-ymc.c @@ -43,6 +43,8 @@ struct lenovo_ymc_private { }; static const struct key_entry lenovo_ymc_keymap[] = { + /* Ignore the uninitialized state */ + { KE_IGNORE, 0x00 }, /* Laptop */ { KE_SW, 0x01, { .sw = { SW_TABLET_MODE, 0 } } }, /* Tablet */ diff --git a/drivers/platform/x86/lg-laptop.c b/drivers/platform/x86/lg-laptop.c index 9c7857842caf..4b57102c7f62 100644 --- a/drivers/platform/x86/lg-laptop.c +++ b/drivers/platform/x86/lg-laptop.c @@ -8,6 +8,9 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/acpi.h> +#include <linux/bits.h> +#include <linux/device.h> +#include <linux/dev_printk.h> #include <linux/dmi.h> #include <linux/input.h> #include <linux/input/sparse-keymap.h> @@ -31,6 +34,26 @@ MODULE_AUTHOR("Matan Ziv-Av"); MODULE_DESCRIPTION("LG WMI Hotkey Driver"); MODULE_LICENSE("GPL"); +static bool fw_debug; +module_param(fw_debug, bool, 0); +MODULE_PARM_DESC(fw_debug, "Enable printing of firmware debug messages"); + +#define LG_ADDRESS_SPACE_ID 0x8F + +#define LG_ADDRESS_SPACE_DEBUG_FLAG_ADR 0x00 +#define LG_ADDRESS_SPACE_FAN_MODE_ADR 0x03 + +#define LG_ADDRESS_SPACE_DTTM_FLAG_ADR 0x20 +#define LG_ADDRESS_SPACE_CPU_TEMP_ADR 0x21 +#define LG_ADDRESS_SPACE_CPU_TRIP_LOW_ADR 0x22 +#define LG_ADDRESS_SPACE_CPU_TRIP_HIGH_ADR 0x23 +#define LG_ADDRESS_SPACE_MB_TEMP_ADR 0x24 +#define LG_ADDRESS_SPACE_MB_TRIP_LOW_ADR 0x25 +#define LG_ADDRESS_SPACE_MB_TRIP_HIGH_ADR 0x26 + +#define LG_ADDRESS_SPACE_DEBUG_MSG_START_ADR 0x3E8 +#define LG_ADDRESS_SPACE_DEBUG_MSG_END_ADR 0x5E8 + #define WMI_EVENT_GUID0 "E4FB94F9-7F2B-4173-AD1A-CD1D95086248" #define WMI_EVENT_GUID1 "023B133E-49D1-4E10-B313-698220140DC2" #define WMI_EVENT_GUID2 "37BE1AC0-C3F2-4B1F-BFBE-8FDEAF2814D6" @@ -182,21 +205,11 @@ static union acpi_object *lg_wmbb(struct device *dev, u32 method_id, u32 arg1, u return (union acpi_object *)buffer.pointer; } -static void wmi_notify(u32 value, void *context) +static void wmi_notify(union acpi_object *obj, void *context) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - acpi_status status; long data = (long)context; pr_debug("event guid %li\n", data); - status = wmi_get_event_data(value, &response); - if (ACPI_FAILURE(status)) { - pr_err("Bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; if (!obj) return; @@ -218,7 +231,6 @@ static void wmi_notify(u32 value, void *context) pr_debug("Type: %i Eventcode: 0x%llx\n", obj->type, obj->integer.value); - kfree(response.pointer); } static void wmi_input_setup(void) @@ -646,6 +658,107 @@ static struct platform_driver pf_driver = { } }; +static acpi_status lg_laptop_address_space_write(struct device *dev, acpi_physical_address address, + size_t size, u64 value) +{ + u8 byte; + + /* Ignore any debug messages */ + if (address >= LG_ADDRESS_SPACE_DEBUG_MSG_START_ADR && + address <= LG_ADDRESS_SPACE_DEBUG_MSG_END_ADR) + return AE_OK; + + if (size != sizeof(byte)) + return AE_BAD_PARAMETER; + + byte = value & 0xFF; + + switch (address) { + case LG_ADDRESS_SPACE_FAN_MODE_ADR: + /* + * The fan mode field is not affected by the DTTM flag, so we + * have to manually check fw_debug. + */ + if (fw_debug) + dev_dbg(dev, "Fan mode set to mode %u\n", byte); + + return AE_OK; + case LG_ADDRESS_SPACE_CPU_TEMP_ADR: + dev_dbg(dev, "CPU temperature is %u °C\n", byte); + return AE_OK; + case LG_ADDRESS_SPACE_CPU_TRIP_LOW_ADR: + dev_dbg(dev, "CPU lower trip point set to %u °C\n", byte); + return AE_OK; + case LG_ADDRESS_SPACE_CPU_TRIP_HIGH_ADR: + dev_dbg(dev, "CPU higher trip point set to %u °C\n", byte); + return AE_OK; + case LG_ADDRESS_SPACE_MB_TEMP_ADR: + dev_dbg(dev, "Motherboard temperature is %u °C\n", byte); + return AE_OK; + case LG_ADDRESS_SPACE_MB_TRIP_LOW_ADR: + dev_dbg(dev, "Motherboard lower trip point set to %u °C\n", byte); + return AE_OK; + case LG_ADDRESS_SPACE_MB_TRIP_HIGH_ADR: + dev_dbg(dev, "Motherboard higher trip point set to %u °C\n", byte); + return AE_OK; + default: + dev_notice_ratelimited(dev, "Ignoring write to unknown opregion address %llu\n", + address); + return AE_OK; + } +} + +static acpi_status lg_laptop_address_space_read(struct device *dev, acpi_physical_address address, + size_t size, u64 *value) +{ + if (size != 1) + return AE_BAD_PARAMETER; + + switch (address) { + case LG_ADDRESS_SPACE_DEBUG_FLAG_ADR: + /* Debug messages are already printed using the standard ACPI Debug object */ + *value = 0x00; + return AE_OK; + case LG_ADDRESS_SPACE_DTTM_FLAG_ADR: + *value = fw_debug; + return AE_OK; + default: + dev_notice_ratelimited(dev, "Attempt to read unknown opregion address %llu\n", + address); + return AE_BAD_PARAMETER; + } +} + +static acpi_status lg_laptop_address_space_handler(u32 function, acpi_physical_address address, + u32 bits, u64 *value, void *handler_context, + void *region_context) +{ + struct device *dev = handler_context; + size_t size; + + if (bits % BITS_PER_BYTE) + return AE_BAD_PARAMETER; + + size = bits / BITS_PER_BYTE; + + switch (function) { + case ACPI_READ: + return lg_laptop_address_space_read(dev, address, size, value); + case ACPI_WRITE: + return lg_laptop_address_space_write(dev, address, size, *value); + default: + return AE_BAD_PARAMETER; + } +} + +static void lg_laptop_remove_address_space_handler(void *data) +{ + struct acpi_device *device = data; + + acpi_remove_address_space_handler(device->handle, LG_ADDRESS_SPACE_ID, + &lg_laptop_address_space_handler); +} + static int acpi_add(struct acpi_device *device) { struct platform_device_info pdev_info = { @@ -653,6 +766,7 @@ static int acpi_add(struct acpi_device *device) .name = PLATFORM_NAME, .id = PLATFORM_DEVID_NONE, }; + acpi_status status; int ret; const char *product; int year = 2017; @@ -660,6 +774,17 @@ static int acpi_add(struct acpi_device *device) if (pf_device) return 0; + status = acpi_install_address_space_handler(device->handle, LG_ADDRESS_SPACE_ID, + &lg_laptop_address_space_handler, + NULL, &device->dev); + if (ACPI_FAILURE(status)) + return -ENODEV; + + ret = devm_add_action_or_reset(&device->dev, lg_laptop_remove_address_space_handler, + device); + if (ret < 0) + return ret; + ret = platform_driver_register(&pf_driver); if (ret) return ret; diff --git a/drivers/platform/x86/msi-wmi.c b/drivers/platform/x86/msi-wmi.c index fd318cdfe313..4a7ac85c4db4 100644 --- a/drivers/platform/x86/msi-wmi.c +++ b/drivers/platform/x86/msi-wmi.c @@ -170,20 +170,9 @@ static const struct backlight_ops msi_backlight_ops = { .update_status = bl_set_status, }; -static void msi_wmi_notify(u32 value, void *context) +static void msi_wmi_notify(union acpi_object *obj, void *context) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; struct key_entry *key; - union acpi_object *obj; - acpi_status status; - - status = wmi_get_event_data(value, &response); - if (status != AE_OK) { - pr_info("bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; if (obj && obj->type == ACPI_TYPE_INTEGER) { int eventcode = obj->integer.value; @@ -192,7 +181,7 @@ static void msi_wmi_notify(u32 value, void *context) eventcode); if (!key) { pr_info("Unknown key pressed - %x\n", eventcode); - goto msi_wmi_notify_exit; + return; } if (event_wmi->quirk_last_pressed) { @@ -204,7 +193,7 @@ static void msi_wmi_notify(u32 value, void *context) pr_debug("Suppressed key event 0x%X - " "Last press was %lld us ago\n", key->code, ktime_to_us(diff)); - goto msi_wmi_notify_exit; + return; } last_pressed = cur; } @@ -221,9 +210,6 @@ static void msi_wmi_notify(u32 value, void *context) } } else pr_info("Unknown event received\n"); - -msi_wmi_notify_exit: - kfree(response.pointer); } static int __init msi_wmi_backlight_setup(void) diff --git a/drivers/platform/x86/panasonic-laptop.c b/drivers/platform/x86/panasonic-laptop.c index ebd81846e2d5..2bf94d0ab324 100644 --- a/drivers/platform/x86/panasonic-laptop.c +++ b/drivers/platform/x86/panasonic-laptop.c @@ -121,6 +121,7 @@ #include <linux/acpi.h> #include <linux/backlight.h> +#include <linux/bits.h> #include <linux/ctype.h> #include <linux/i8042.h> #include <linux/init.h> @@ -224,6 +225,17 @@ static const struct key_entry panasonic_keymap[] = { { KE_KEY, 8, { KEY_PROG1 } }, /* Change CPU boost */ { KE_KEY, 9, { KEY_BATTERY } }, { KE_KEY, 10, { KEY_SUSPEND } }, + { KE_KEY, 21, { KEY_MACRO1 } }, + { KE_KEY, 22, { KEY_MACRO2 } }, + { KE_KEY, 24, { KEY_MACRO3 } }, + { KE_KEY, 25, { KEY_MACRO4 } }, + { KE_KEY, 34, { KEY_MACRO5 } }, + { KE_KEY, 35, { KEY_MACRO6 } }, + { KE_KEY, 36, { KEY_MACRO7 } }, + { KE_KEY, 37, { KEY_MACRO8 } }, + { KE_KEY, 41, { KEY_MACRO9 } }, + { KE_KEY, 42, { KEY_MACRO10 } }, + { KE_KEY, 43, { KEY_MACRO11 } }, { KE_END, 0 } }; @@ -830,8 +842,8 @@ static void acpi_pcc_generate_keyinput(struct pcc_acpi *pcc) return; } - key = result & 0xf; - updown = result & 0x80; /* 0x80 == key down; 0x00 = key up */ + key = result & GENMASK(6, 0); + updown = result & BIT(7); /* 0x80 == key down; 0x00 = key up */ /* hack: some firmware sends no key down for sleep / hibernate */ if (key == 7 || key == 10) { diff --git a/drivers/platform/x86/samsung-laptop.c b/drivers/platform/x86/samsung-laptop.c index 3d2f8e758369..0d3e3ca20b1b 100644 --- a/drivers/platform/x86/samsung-laptop.c +++ b/drivers/platform/x86/samsung-laptop.c @@ -14,7 +14,6 @@ #include <linux/pci.h> #include <linux/backlight.h> #include <linux/leds.h> -#include <linux/fb.h> #include <linux/dmi.h> #include <linux/platform_device.h> #include <linux/rfkill.h> @@ -554,7 +553,7 @@ static int update_status(struct backlight_device *bd) set_brightness(samsung, bd->props.brightness); - if (bd->props.power == FB_BLANK_UNBLANK) + if (bd->props.power == BACKLIGHT_POWER_ON) sabi_set_commandb(samsung, commands->set_backlight, 1); else sabi_set_commandb(samsung, commands->set_backlight, 0); @@ -1189,7 +1188,7 @@ static int __init samsung_backlight_init(struct samsung_laptop *samsung) samsung->backlight_device = bd; samsung->backlight_device->props.brightness = read_brightness(samsung); - samsung->backlight_device->props.power = FB_BLANK_UNBLANK; + samsung->backlight_device->props.power = BACKLIGHT_POWER_ON; backlight_update_status(samsung->backlight_device); return 0; diff --git a/drivers/platform/x86/serial-multi-instantiate.c b/drivers/platform/x86/serial-multi-instantiate.c index 3be016cfe601..7c04cc9e5891 100644 --- a/drivers/platform/x86/serial-multi-instantiate.c +++ b/drivers/platform/x86/serial-multi-instantiate.c @@ -83,11 +83,15 @@ static int smi_get_irq(struct platform_device *pdev, struct acpi_device *adev, static void smi_devs_unregister(struct smi *smi) { +#if IS_REACHABLE(CONFIG_I2C) while (smi->i2c_num--) i2c_unregister_device(smi->i2c_devs[smi->i2c_num]); +#endif - while (smi->spi_num--) - spi_unregister_device(smi->spi_devs[smi->spi_num]); + if (IS_REACHABLE(CONFIG_SPI)) { + while (smi->spi_num--) + spi_unregister_device(smi->spi_devs[smi->spi_num]); + } } /** @@ -258,9 +262,15 @@ static int smi_probe(struct platform_device *pdev) switch (node->bus_type) { case SMI_I2C: - return smi_i2c_probe(pdev, smi, node->instances); + if (IS_REACHABLE(CONFIG_I2C)) + return smi_i2c_probe(pdev, smi, node->instances); + + return -ENODEV; case SMI_SPI: - return smi_spi_probe(pdev, smi, node->instances); + if (IS_REACHABLE(CONFIG_SPI)) + return smi_spi_probe(pdev, smi, node->instances); + + return -ENODEV; case SMI_AUTO_DETECT: /* * For backwards-compatibility with the existing nodes I2C @@ -270,10 +280,16 @@ static int smi_probe(struct platform_device *pdev) * SpiSerialBus nodes that were previously ignored, and this * preserves that behavior. */ - ret = smi_i2c_probe(pdev, smi, node->instances); - if (ret != -ENOENT) - return ret; - return smi_spi_probe(pdev, smi, node->instances); + if (IS_REACHABLE(CONFIG_I2C)) { + ret = smi_i2c_probe(pdev, smi, node->instances); + if (ret != -ENOENT) + return ret; + } + + if (IS_REACHABLE(CONFIG_SPI)) + return smi_spi_probe(pdev, smi, node->instances); + + return -ENODEV; default: return -EINVAL; } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index f269ca1ff771..4c1b0553f872 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -7749,6 +7749,28 @@ static struct ibm_struct volume_driver_data = { * EC 0x2f (HFSP) might be available *for reading*, but do not use * it for writing. * + * TPACPI_FAN_RD_ACPI_FANG: + * ACPI FANG method: returns fan control register + * + * Takes one parameter which is 0x8100 plus the offset to EC memory + * address 0xf500 and returns the byte at this address. + * + * 0xf500: + * When the value is less than 9 automatic mode is enabled + * 0xf502: + * Contains the current fan speed from 0-100% + * 0xf506: + * Bit 7 has to be set in order to enable manual control by + * writing a value >= 9 to 0xf500 + * + * TPACPI_FAN_WR_ACPI_FANW: + * ACPI FANW method: sets fan control registers + * + * Takes 0x8100 plus the offset to EC memory address 0xf500 and the + * value to be written there as parameters. + * + * see TPACPI_FAN_RD_ACPI_FANG + * * TPACPI_FAN_WR_TPEC: * ThinkPad EC register 0x2f (HFSP): fan control loop mode * Supported on almost all ThinkPads @@ -7882,6 +7904,7 @@ enum { /* Fan control constants */ enum fan_status_access_mode { TPACPI_FAN_NONE = 0, /* No fan status or control */ TPACPI_FAN_RD_ACPI_GFAN, /* Use ACPI GFAN */ + TPACPI_FAN_RD_ACPI_FANG, /* Use ACPI FANG */ TPACPI_FAN_RD_TPEC, /* Use ACPI EC regs 0x2f, 0x84-0x85 */ TPACPI_FAN_RD_TPEC_NS, /* Use non-standard ACPI EC regs (eg: L13 Yoga gen2 etc.) */ }; @@ -7889,6 +7912,7 @@ enum fan_status_access_mode { enum fan_control_access_mode { TPACPI_FAN_WR_NONE = 0, /* No fan control */ TPACPI_FAN_WR_ACPI_SFAN, /* Use ACPI SFAN */ + TPACPI_FAN_WR_ACPI_FANW, /* Use ACPI FANW */ TPACPI_FAN_WR_TPEC, /* Use ACPI EC reg 0x2f */ TPACPI_FAN_WR_ACPI_FANS, /* Use ACPI FANS and EC reg 0x2f */ }; @@ -7922,9 +7946,13 @@ TPACPI_HANDLE(fans, ec, "FANS"); /* X31, X40, X41 */ TPACPI_HANDLE(gfan, ec, "GFAN", /* 570 */ "\\FSPD", /* 600e/x, 770e, 770x */ ); /* all others */ +TPACPI_HANDLE(fang, ec, "FANG", /* E531 */ + ); /* all others */ TPACPI_HANDLE(sfan, ec, "SFAN", /* 570 */ "JFNS", /* 770x-JL */ ); /* all others */ +TPACPI_HANDLE(fanw, ec, "FANW", /* E531 */ + ); /* all others */ /* * Unitialized HFSP quirk: ACPI DSDT and EC fail to initialize the @@ -8031,6 +8059,23 @@ static int fan_get_status(u8 *status) break; } + case TPACPI_FAN_RD_ACPI_FANG: { + /* E531 */ + int mode, speed; + + if (unlikely(!acpi_evalf(fang_handle, &mode, NULL, "dd", 0x8100))) + return -EIO; + if (unlikely(!acpi_evalf(fang_handle, &speed, NULL, "dd", 0x8102))) + return -EIO; + + if (likely(status)) { + *status = speed * 7 / 100; + if (mode < 9) + *status |= TP_EC_FAN_AUTO; + } + + break; + } case TPACPI_FAN_RD_TPEC: /* all except 570, 600e/x, 770e, 770x */ if (unlikely(!acpi_ec_read(fan_status_offset, &s))) @@ -8145,6 +8190,17 @@ static int fan2_get_speed(unsigned int *speed) if (speed) *speed = lo ? FAN_RPM_CAL_CONST / lo : 0; break; + case TPACPI_FAN_RD_ACPI_FANG: { + /* E531 */ + int speed_tmp; + + if (unlikely(!acpi_evalf(fang_handle, &speed_tmp, NULL, "dd", 0x8102))) + return -EIO; + + if (likely(speed)) + *speed = speed_tmp * 65535 / 100; + break; + } default: return -ENXIO; @@ -8204,6 +8260,32 @@ static int fan_set_level(int level) tp_features.fan_ctrl_status_undef = 0; break; + case TPACPI_FAN_WR_ACPI_FANW: + if (!(level & TP_EC_FAN_AUTO) && (level < 0 || level > 7)) + return -EINVAL; + if (level & TP_EC_FAN_FULLSPEED) + return -EINVAL; + + if (level & TP_EC_FAN_AUTO) { + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8106, 0x05)) { + return -EIO; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8100, 0x00)) { + return -EIO; + } + } else { + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8106, 0x45)) { + return -EIO; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8100, 0xff)) { + return -EIO; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8102, level * 100 / 7)) { + return -EIO; + } + } + break; + default: return -ENXIO; } @@ -8236,7 +8318,7 @@ static int fan_set_level_safe(int level) static int fan_set_enable(void) { - u8 s; + u8 s = 0; int rc; if (!fan_control_allowed) @@ -8282,6 +8364,19 @@ static int fan_set_enable(void) rc = 0; break; + case TPACPI_FAN_WR_ACPI_FANW: + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8106, 0x05)) { + rc = -EIO; + break; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8100, 0x00)) { + rc = -EIO; + break; + } + + rc = 0; + break; + default: rc = -ENXIO; } @@ -8324,6 +8419,22 @@ static int fan_set_disable(void) fan_control_desired_level = 0; break; + case TPACPI_FAN_WR_ACPI_FANW: + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8106, 0x45)) { + rc = -EIO; + break; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8100, 0xff)) { + rc = -EIO; + break; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8102, 0x00)) { + rc = -EIO; + break; + } + rc = 0; + break; + default: rc = -ENXIO; } @@ -8357,6 +8468,23 @@ static int fan_set_speed(int speed) rc = -EINVAL; break; + case TPACPI_FAN_WR_ACPI_FANW: + if (speed >= 0 && speed <= 65535) { + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8106, 0x45)) { + rc = -EIO; + break; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", 0x8100, 0xff)) { + rc = -EIO; + break; + } + if (!acpi_evalf(fanw_handle, NULL, NULL, "vdd", + 0x8102, speed * 100 / 65535)) + rc = -EIO; + } else + rc = -EINVAL; + break; + default: rc = -ENXIO; } @@ -8699,6 +8827,10 @@ static int __init fan_init(struct ibm_init_struct *iibm) TPACPI_ACPIHANDLE_INIT(gfan); TPACPI_ACPIHANDLE_INIT(sfan); } + if (tpacpi_is_lenovo()) { + TPACPI_ACPIHANDLE_INIT(fang); + TPACPI_ACPIHANDLE_INIT(fanw); + } quirks = tpacpi_check_quirks(fan_quirk_table, ARRAY_SIZE(fan_quirk_table)); @@ -8718,6 +8850,9 @@ static int __init fan_init(struct ibm_init_struct *iibm) if (gfan_handle) { /* 570, 600e/x, 770e, 770x */ fan_status_access_mode = TPACPI_FAN_RD_ACPI_GFAN; + } else if (fang_handle) { + /* E531 */ + fan_status_access_mode = TPACPI_FAN_RD_ACPI_FANG; } else { /* all other ThinkPads: note that even old-style * ThinkPad ECs supports the fan control register */ @@ -8764,6 +8899,11 @@ static int __init fan_init(struct ibm_init_struct *iibm) fan_control_access_mode = TPACPI_FAN_WR_ACPI_SFAN; fan_control_commands |= TPACPI_FAN_CMD_LEVEL | TPACPI_FAN_CMD_ENABLE; + } else if (fanw_handle) { + /* E531 */ + fan_control_access_mode = TPACPI_FAN_WR_ACPI_FANW; + fan_control_commands |= + TPACPI_FAN_CMD_LEVEL | TPACPI_FAN_CMD_SPEED | TPACPI_FAN_CMD_ENABLE; } else { if (!gfan_handle) { /* gfan without sfan means no fan control */ @@ -8915,6 +9055,7 @@ static int fan_read(struct seq_file *m) case TPACPI_FAN_RD_TPEC_NS: case TPACPI_FAN_RD_TPEC: + case TPACPI_FAN_RD_ACPI_FANG: /* all except 570, 600e/x, 770e, 770x */ rc = fan_get_status_safe(&status); if (rc) @@ -8935,7 +9076,7 @@ static int fan_read(struct seq_file *m) * No other levels settings available */ seq_printf(m, "level:\t\t%s\n", status & FAN_NS_CTRL ? "unknown" : "auto"); - } else { + } else if (fan_status_access_mode == TPACPI_FAN_RD_TPEC) { if (status & TP_EC_FAN_FULLSPEED) /* Disengaged mode takes precedence */ seq_printf(m, "level:\t\tdisengaged\n"); diff --git a/drivers/platform/x86/toshiba-wmi.c b/drivers/platform/x86/toshiba-wmi.c index 77c35529ab6f..12c46455e8dc 100644 --- a/drivers/platform/x86/toshiba-wmi.c +++ b/drivers/platform/x86/toshiba-wmi.c @@ -32,26 +32,13 @@ static const struct key_entry toshiba_wmi_keymap[] __initconst = { { KE_END, 0 } }; -static void toshiba_wmi_notify(u32 value, void *context) +static void toshiba_wmi_notify(union acpi_object *obj, void *context) { - struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL }; - union acpi_object *obj; - acpi_status status; - - status = wmi_get_event_data(value, &response); - if (ACPI_FAILURE(status)) { - pr_err("Bad event status 0x%x\n", status); - return; - } - - obj = (union acpi_object *)response.pointer; if (!obj) return; /* TODO: Add proper checks once we have data */ pr_debug("Unknown event received, obj type %x\n", obj->type); - - kfree(response.pointer); } static const struct dmi_system_id toshiba_wmi_dmi_table[] __initconst = { diff --git a/drivers/platform/x86/touchscreen_dmi.c b/drivers/platform/x86/touchscreen_dmi.c index f74af0a689f2..0a39f68c641d 100644 --- a/drivers/platform/x86/touchscreen_dmi.c +++ b/drivers/platform/x86/touchscreen_dmi.c @@ -840,6 +840,21 @@ static const struct ts_dmi_data rwc_nanote_p8_data = { .properties = rwc_nanote_p8_props, }; +static const struct property_entry rwc_nanote_next_props[] = { + PROPERTY_ENTRY_U32("touchscreen-min-x", 5), + PROPERTY_ENTRY_U32("touchscreen-min-y", 5), + PROPERTY_ENTRY_U32("touchscreen-size-x", 1785), + PROPERTY_ENTRY_U32("touchscreen-size-y", 1145), + PROPERTY_ENTRY_BOOL("touchscreen-inverted-y"), + PROPERTY_ENTRY_STRING("firmware-name", "gsl1680-rwc-nanote-next.fw"), + { } +}; + +static const struct ts_dmi_data rwc_nanote_next_data = { + .acpi_name = "MSSL1680:00", + .properties = rwc_nanote_next_props, +}; + static const struct property_entry schneider_sct101ctm_props[] = { PROPERTY_ENTRY_U32("touchscreen-size-x", 1715), PROPERTY_ENTRY_U32("touchscreen-size-y", 1140), @@ -1590,6 +1605,17 @@ const struct dmi_system_id touchscreen_dmi_table[] = { }, }, { + /* RWC NANOTE NEXT */ + .driver_data = (void *)&rwc_nanote_next_data, + .matches = { + DMI_MATCH(DMI_PRODUCT_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_NAME, "To be filled by O.E.M."), + DMI_MATCH(DMI_BOARD_VENDOR, "To be filled by O.E.M."), + /* Above matches are too generic, add bios-version match */ + DMI_MATCH(DMI_BIOS_VERSION, "S8A70R100-V005"), + }, + }, + { /* Schneider SCT101CTM */ .driver_data = (void *)&schneider_sct101ctm_data, .matches = { diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 1d0b2d6040d1..3cbe180c3fc0 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -166,22 +166,6 @@ static inline acpi_object_type get_param_acpi_type(const struct wmi_block *wbloc return ACPI_TYPE_BUFFER; } -static acpi_status get_event_data(const struct wmi_block *wblock, struct acpi_buffer *out) -{ - union acpi_object param = { - .integer = { - .type = ACPI_TYPE_INTEGER, - .value = wblock->gblock.notify_id, - } - }; - struct acpi_object_list input = { - .count = 1, - .pointer = ¶m, - }; - - return acpi_evaluate_object(wblock->acpi_device->handle, "_WED", &input, out); -} - static int wmidev_match_guid(struct device *dev, const void *data) { struct wmi_block *wblock = dev_to_wblock(dev); @@ -199,23 +183,6 @@ static int wmidev_match_guid(struct device *dev, const void *data) return 0; } -static int wmidev_match_notify_id(struct device *dev, const void *data) -{ - struct wmi_block *wblock = dev_to_wblock(dev); - const u32 *notify_id = data; - - /* Legacy GUID-based functions are restricted to only see - * a single WMI device for each GUID. - */ - if (test_bit(WMI_GUID_DUPLICATED, &wblock->flags)) - return 0; - - if (wblock->gblock.flags & ACPI_WMI_EVENT && wblock->gblock.notify_id == *notify_id) - return 1; - - return 0; -} - static const struct bus_type wmi_bus_type; static struct wmi_device *wmi_find_device_by_guid(const char *guid_string) @@ -235,17 +202,6 @@ static struct wmi_device *wmi_find_device_by_guid(const char *guid_string) return dev_to_wdev(dev); } -static struct wmi_device *wmi_find_event_by_notify_id(const u32 notify_id) -{ - struct device *dev; - - dev = bus_find_device(&wmi_bus_type, NULL, ¬ify_id, wmidev_match_notify_id); - if (!dev) - return ERR_PTR(-ENODEV); - - return to_wmi_device(dev); -} - static void wmi_device_put(struct wmi_device *wdev) { put_device(&wdev->dev); @@ -650,35 +606,6 @@ acpi_status wmi_remove_notify_handler(const char *guid) EXPORT_SYMBOL_GPL(wmi_remove_notify_handler); /** - * wmi_get_event_data - Get WMI data associated with an event (deprecated) - * - * @event: Event to find - * @out: Buffer to hold event data - * - * Get extra data associated with an WMI event, the caller needs to free @out. - * - * Return: acpi_status signaling success or error. - */ -acpi_status wmi_get_event_data(u32 event, struct acpi_buffer *out) -{ - struct wmi_block *wblock; - struct wmi_device *wdev; - acpi_status status; - - wdev = wmi_find_event_by_notify_id(event); - if (IS_ERR(wdev)) - return AE_NOT_FOUND; - - wblock = container_of(wdev, struct wmi_block, dev); - status = get_event_data(wblock, out); - - wmi_device_put(wdev); - - return status; -} -EXPORT_SYMBOL_GPL(wmi_get_event_data); - -/** * wmi_has_guid - Check if a GUID is available * @guid_string: 36 char string of the form fa50ff2b-f2e8-45de-83fa-65417f2f49ba * @@ -1186,14 +1113,19 @@ static int parse_wdg(struct device *wmi_bus_dev, struct platform_device *pdev) static int wmi_get_notify_data(struct wmi_block *wblock, union acpi_object **obj) { struct acpi_buffer data = { ACPI_ALLOCATE_BUFFER, NULL }; + union acpi_object param = { + .integer = { + .type = ACPI_TYPE_INTEGER, + .value = wblock->gblock.notify_id, + } + }; + struct acpi_object_list input = { + .count = 1, + .pointer = ¶m, + }; acpi_status status; - if (test_bit(WMI_NO_EVENT_DATA, &wblock->flags)) { - *obj = NULL; - return 0; - } - - status = get_event_data(wblock, &data); + status = acpi_evaluate_object(wblock->acpi_device->handle, "_WED", &input, &data); if (ACPI_FAILURE(status)) { dev_warn(&wblock->dev.dev, "Failed to get event data\n"); return -EIO; @@ -1220,47 +1152,40 @@ static void wmi_notify_driver(struct wmi_block *wblock, union acpi_object *obj) static int wmi_notify_device(struct device *dev, void *data) { struct wmi_block *wblock = dev_to_wblock(dev); - union acpi_object *obj; + union acpi_object *obj = NULL; u32 *event = data; int ret; if (!(wblock->gblock.flags & ACPI_WMI_EVENT && wblock->gblock.notify_id == *event)) return 0; - down_read(&wblock->notify_lock); - /* The WMI driver notify handler conflicts with the legacy WMI handler. - * Because of this the WMI driver notify handler takes precedence. + /* The ACPI WMI specification says that _WED should be + * evaluated every time an notification is received, even + * if no consumers are present. + * + * Some firmware implementations actually depend on this + * by using a queue for events which will fill up if the + * WMI driver core stops evaluating _WED due to missing + * WMI event consumers. */ - if (wblock->dev.dev.driver && wblock->driver_ready) { + if (!test_bit(WMI_NO_EVENT_DATA, &wblock->flags)) { ret = wmi_get_notify_data(wblock, &obj); - if (ret >= 0) { - wmi_notify_driver(wblock, obj); - kfree(obj); - } - } else { - if (wblock->handler) { - wblock->handler(*event, wblock->handler_data); - } else { - /* The ACPI WMI specification says that _WED should be - * evaluated every time an notification is received, even - * if no consumers are present. - * - * Some firmware implementations actually depend on this - * by using a queue for events which will fill up if the - * WMI driver core stops evaluating _WED due to missing - * WMI event consumers. - * - * Because of this we need this seemingly useless call to - * wmi_get_notify_data() which in turn evaluates _WED. - */ - ret = wmi_get_notify_data(wblock, &obj); - if (ret >= 0) - kfree(obj); - } - + if (ret < 0) + return -EIO; } + + down_read(&wblock->notify_lock); + + if (wblock->dev.dev.driver && wblock->driver_ready) + wmi_notify_driver(wblock, obj); + + if (wblock->handler) + wblock->handler(obj, wblock->handler_data); + up_read(&wblock->notify_lock); + kfree(obj); + acpi_bus_generate_netlink_event("wmi", acpi_dev_name(wblock->acpi_device), *event, 0); return -EBUSY; diff --git a/drivers/platform/x86/x86-android-tablets/Kconfig b/drivers/platform/x86/x86-android-tablets/Kconfig index b591419de80c..88d9e8f2ff24 100644 --- a/drivers/platform/x86/x86-android-tablets/Kconfig +++ b/drivers/platform/x86/x86-android-tablets/Kconfig @@ -20,4 +20,4 @@ config X86_ANDROID_TABLETS are missing from the DSDT. If you have a x86 Android tablet say Y or M here, for a generic x86 - distro config say M here. + distro configuration say M here. diff --git a/drivers/platform/x86/x86-android-tablets/asus.c b/drivers/platform/x86/x86-android-tablets/asus.c index 227afbb51078..07fbeab2319a 100644 --- a/drivers/platform/x86/x86-android-tablets/asus.c +++ b/drivers/platform/x86/x86-android-tablets/asus.c @@ -37,7 +37,7 @@ static const struct x86_gpio_button asus_me176c_tf103c_lid __initconst = { .pin = 12, }; -/* Asus ME176C tablets have an Android factory img with everything hardcoded */ +/* Asus ME176C tablets have an Android factory image with everything hardcoded */ static const char * const asus_me176c_accel_mount_matrix[] = { "-1", "0", "0", "0", "1", "0", @@ -112,7 +112,7 @@ static const struct x86_i2c_client_info asus_me176c_i2c_clients[] __initconst = }, .adapter_path = "\\_SB_.I2C5", }, { - /* kxtj21009 accel */ + /* kxtj21009 accelerometer */ .board_info = { .type = "kxtj21009", .addr = 0x0f, @@ -181,7 +181,7 @@ const struct x86_dev_info asus_me176c_info __initconst = { .modules = bq24190_modules, }; -/* Asus TF103C tablets have an Android factory img with everything hardcoded */ +/* Asus TF103C tablets have an Android factory image with everything hardcoded */ static const char * const asus_tf103c_accel_mount_matrix[] = { "0", "-1", "0", "-1", "0", "0", @@ -280,7 +280,7 @@ static const struct x86_i2c_client_info asus_tf103c_i2c_clients[] __initconst = }, .adapter_path = "\\_SB_.I2C5", }, { - /* kxtj21009 accel */ + /* kxtj21009 accelerometer */ .board_info = { .type = "kxtj21009", .addr = 0x0f, diff --git a/drivers/platform/x86/x86-android-tablets/core.c b/drivers/platform/x86/x86-android-tablets/core.c index 919ef4471229..1427a9a39008 100644 --- a/drivers/platform/x86/x86-android-tablets/core.c +++ b/drivers/platform/x86/x86-android-tablets/core.c @@ -26,19 +26,19 @@ static struct platform_device *x86_android_tablet_device; /* - * This helper allows getting a gpio_desc *before* the actual device consuming - * the GPIO has been instantiated. This function _must_ only be used to handle - * this special case such as e.g. : + * This helper allows getting a GPIO descriptor *before* the actual device + * consuming it has been instantiated. This function MUST only be used to + * handle this special case such as, e.g.: * * 1. Getting an IRQ from a GPIO for i2c_board_info.irq which is passed to * i2c_client_new() to instantiate i2c_client-s; or - * 2. Calling desc_to_gpio() to get an old style GPIO number for gpio_keys + * 2. Calling desc_to_gpio() to get an old style GPIO number for gpio-keys * platform_data which still uses old style GPIO numbers. * - * Since the consuming device has not been instatiated yet a dynamic lookup - * is generated using the special x86_android_tablet dev for dev_id. + * Since the consuming device has not been instantiated yet a dynamic lookup + * is generated using the special x86_android_tablet device for dev_id. * - * For normal GPIO lookups a standard static gpiod_lookup_table _must_ be used. + * For normal GPIO lookups a standard static struct gpiod_lookup_table MUST be used. */ int x86_android_tablet_get_gpiod(const char *chip, int pin, const char *con_id, bool active_low, enum gpiod_flags dflags, @@ -87,7 +87,7 @@ int x86_acpi_irq_helper_get(const struct x86_acpi_irq_data *data) /* * The DSDT may already reference the GSI in a device skipped by * acpi_quirk_skip_i2c_client_enumeration(). Unregister the GSI - * to avoid EBUSY errors in this case. + * to avoid -EBUSY errors in this case. */ acpi_unregister_gsi(data->index); irq = acpi_register_gsi(NULL, data->index, data->trigger, data->polarity); @@ -379,7 +379,7 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) } } - /* + 1 to make space for (optional) gpio_keys_button pdev */ + /* + 1 to make space for the (optional) gpio_keys_button platform device */ pdevs = kcalloc(dev_info->pdev_count + 1, sizeof(*pdevs), GFP_KERNEL); if (!pdevs) { x86_android_tablet_remove(pdev); @@ -432,7 +432,7 @@ static __init int x86_android_tablet_probe(struct platform_device *pdev) buttons[i] = dev_info->gpio_button[i].button; buttons[i].gpio = desc_to_gpio(gpiod); - /* Release gpiod so that gpio-keys can request it */ + /* Release GPIO descriptor so that gpio-keys can request it */ devm_gpiod_put(&x86_android_tablet_device->dev, gpiod); } diff --git a/drivers/platform/x86/x86-android-tablets/dmi.c b/drivers/platform/x86/x86-android-tablets/dmi.c index 387dd092c4dd..17f6da96aa01 100644 --- a/drivers/platform/x86/x86-android-tablets/dmi.c +++ b/drivers/platform/x86/x86-android-tablets/dmi.c @@ -99,17 +99,17 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { { /* Lenovo Yoga Book X91F / X91L */ .matches = { - /* Non exact match to match F + L versions */ + /* Inexact match to match F + L versions */ DMI_MATCH(DMI_PRODUCT_NAME, "Lenovo YB1-X91"), }, .driver_data = (void *)&lenovo_yogabook_x91_info, }, { /* - * Lenovo Yoga Tablet 2 Pro 1380F/L (13") This has more or less - * the same BIOS as the 830F/L or 1050F/L (8" and 10") below, - * but unlike the 8" / 10" models which share the same mainboard - * this model has a different mainboard. + * Lenovo Yoga Tablet 2 Pro 1380F/L (13") + * This has more or less the same BIOS as the 830F/L or 1050F/L + * (8" and 10") below, but unlike the 8"/10" models which share + * the same mainboard this model has a different mainboard. * This match for the 13" model MUST come before the 8" + 10" * match since that one will also match the 13" model! */ @@ -124,8 +124,8 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { }, { /* - * Lenovo Yoga Tablet 2 830F/L or 1050F/L (The 8" and 10" - * Lenovo Yoga Tablet 2 use the same mainboard) + * Lenovo Yoga Tablet 2 830F/L or 1050F/L + * The 8" and 10" Lenovo Yoga Tablet 2 use the same mainboard. */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."), @@ -163,7 +163,7 @@ const struct dmi_system_id x86_android_tablet_ids[] __initconst = { .driver_data = (void *)&nextbook_ares8_info, }, { - /* Nextbook Ares 8A (CHT version)*/ + /* Nextbook Ares 8A (CHT version) */ .matches = { DMI_MATCH(DMI_SYS_VENDOR, "Insyde"), DMI_MATCH(DMI_PRODUCT_NAME, "CherryTrail"), diff --git a/drivers/platform/x86/x86-android-tablets/lenovo.c b/drivers/platform/x86/x86-android-tablets/lenovo.c index 74f39b658d2c..ae087f1471c1 100644 --- a/drivers/platform/x86/x86-android-tablets/lenovo.c +++ b/drivers/platform/x86/x86-android-tablets/lenovo.c @@ -59,7 +59,7 @@ static struct lp855x_platform_data lenovo_lp8557_reg_only_pdata = { .initial_brightness = 128, }; -/* Lenovo Yoga Book X90F / X90L's Android factory img has everything hardcoded */ +/* Lenovo Yoga Book X90F / X90L's Android factory image has everything hardcoded */ static const struct property_entry lenovo_yb1_x90_wacom_props[] = { PROPERTY_ENTRY_U32("hid-descr-addr", 0x0001), @@ -262,7 +262,7 @@ const struct x86_dev_info lenovo_yogabook_x90_info __initconst = { .init = lenovo_yb1_x90_init, }; -/* Lenovo Yoga Book X91F/L Windows tablet needs manual instantiation of the fg client */ +/* Lenovo Yoga Book X91F/L Windows tablet needs manual instantiation of the fuel-gauge client */ static const struct x86_i2c_client_info lenovo_yogabook_x91_i2c_clients[] __initconst = { { /* BQ27542 fuel-gauge */ @@ -281,7 +281,7 @@ const struct x86_dev_info lenovo_yogabook_x91_info __initconst = { .i2c_client_count = ARRAY_SIZE(lenovo_yogabook_x91_i2c_clients), }; -/* Lenovo Yoga Tablet 2 1050F/L's Android factory img has everything hardcoded */ +/* Lenovo Yoga Tablet 2 1050F/L's Android factory image has everything hardcoded */ static const struct property_entry lenovo_yoga_tab2_830_1050_bq24190_props[] = { PROPERTY_ENTRY_STRING_ARRAY_LEN("supplied-from", tusb1211_chg_det_psy, 1), PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node), @@ -521,9 +521,9 @@ err_put_device: } /* - * These tablet's DSDT does not set acpi_gbl_reduced_hardware, so acpi_power_off + * These tablet's DSDT does not set acpi_gbl_reduced_hardware, so acpi_power_off() * gets used as pm_power_off handler. This causes "poweroff" on these tablets - * to hang hard. Requiring pressing the powerbutton for 30 seconds *twice* + * to hang hard. Requiring pressing the power button for 30 seconds *twice* * followed by a normal 3 second press to recover. Avoid this by doing an EFI * poweroff instead. */ @@ -546,7 +546,7 @@ static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev) if (ret) return ret; - /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off */ + /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off() */ lenovo_yoga_tab2_830_1050_sys_off_handler = register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1, lenovo_yoga_tab2_830_1050_power_off, NULL); @@ -742,7 +742,7 @@ static int __init lenovo_yoga_tab2_1380_init(struct device *dev) if (ret) return ret; - /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off */ + /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off() */ lenovo_yoga_tab2_830_1050_sys_off_handler = register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1, lenovo_yoga_tab2_830_1050_power_off, NULL); @@ -799,7 +799,7 @@ static const struct software_node fg_bq25890_1_supply_node = { .properties = fg_bq25890_1_supply_props, }; -/* bq25892 charger settings for the flat lipo battery behind the screen */ +/* bq25892 charger settings for the flat LiPo battery behind the screen */ static const struct property_entry lenovo_yt3_bq25892_0_props[] = { PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lenovo_yt3_bq25892_0_suppliers), PROPERTY_ENTRY_U32("linux,iinlim-percentage", 40), @@ -833,7 +833,7 @@ static const struct software_node lenovo_yt3_hideep_ts_node = { static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { { - /* bq27500 fuel-gauge for the flat lipo battery behind the screen */ + /* bq27500 fuel-gauge for the flat LiPo battery behind the screen */ .board_info = { .type = "bq27500", .addr = 0x55, @@ -842,7 +842,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { }, .adapter_path = "\\_SB_.PCI0.I2C1", }, { - /* bq25892 charger for the flat lipo battery behind the screen */ + /* bq25892 charger for the flat LiPo battery behind the screen */ .board_info = { .type = "bq25892", .addr = 0x6b, @@ -859,7 +859,7 @@ static const struct x86_i2c_client_info lenovo_yt3_i2c_clients[] __initconst = { .con_id = "bq25892_0_irq", }, }, { - /* bq27500 fuel-gauge for the round li-ion cells in the hinge */ + /* bq27500 fuel-gauge for the round Li-ion cells in the hinge */ .board_info = { .type = "bq27500", .addr = 0x55, diff --git a/drivers/platform/x86/x86-android-tablets/other.c b/drivers/platform/x86/x86-android-tablets/other.c index eb0e55c69dfe..7db8aa58b907 100644 --- a/drivers/platform/x86/x86-android-tablets/other.c +++ b/drivers/platform/x86/x86-android-tablets/other.c @@ -20,7 +20,7 @@ #include "shared-psy-info.h" #include "x86-android-tablets.h" -/* Acer Iconia One 7 B1-750 has an Android factory img with everything hardcoded */ +/* Acer Iconia One 7 B1-750 has an Android factory image with everything hardcoded */ static const char * const acer_b1_750_mount_matrix[] = { "-1", "0", "0", "0", "1", "0", @@ -98,7 +98,7 @@ const struct x86_dev_info acer_b1_750_info __initconst = { * Advantech MICA-071 * This is a standard Windows tablet, but it has an extra "quick launch" button * which is not described in the ACPI tables in anyway. - * Use the x86-android-tablets infra to create a gpio-button device for this. + * Use the x86-android-tablets infra to create a gpio-keys device for this. */ static const struct x86_gpio_button advantech_mica_071_button __initconst = { .button = { @@ -209,7 +209,7 @@ const struct x86_dev_info chuwi_hi8_info __initconst = { * This comes in both Windows and Android versions and even on Android * the DSDT is mostly sane. This tablet has 2 extra general purpose buttons * in the button row with the power + volume-buttons labeled P and F. - * Use the x86-android-tablets infra to create a gpio-button device for these. + * Use the x86-android-tablets infra to create a gpio-keys device for these. */ static const struct x86_gpio_button cyberbook_t116_buttons[] __initconst = { { @@ -276,7 +276,7 @@ const struct x86_dev_info czc_p10t __initconst = { .init = czc_p10t_init, }; -/* Medion Lifetab S10346 tablets have an Android factory img with everything hardcoded */ +/* Medion Lifetab S10346 tablets have an Android factory image with everything hardcoded */ static const char * const medion_lifetab_s10346_accel_mount_matrix[] = { "0", "1", "0", "1", "0", "0", @@ -305,7 +305,7 @@ static const struct software_node medion_lifetab_s10346_touchscreen_node = { static const struct x86_i2c_client_info medion_lifetab_s10346_i2c_clients[] __initconst = { { - /* kxtj21009 accel */ + /* kxtj21009 accelerometer */ .board_info = { .type = "kxtj21009", .addr = 0x0f, @@ -359,7 +359,7 @@ const struct x86_dev_info medion_lifetab_s10346_info __initconst = { .gpiod_lookup_tables = medion_lifetab_s10346_gpios, }; -/* Nextbook Ares 8 (BYT) tablets have an Android factory img with everything hardcoded */ +/* Nextbook Ares 8 (BYT) tablets have an Android factory image with everything hardcoded */ static const char * const nextbook_ares8_accel_mount_matrix[] = { "0", "-1", "0", "-1", "0", "0", @@ -387,7 +387,7 @@ static const struct software_node nextbook_ares8_touchscreen_node = { static const struct x86_i2c_client_info nextbook_ares8_i2c_clients[] __initconst = { { - /* Freescale MMA8653FC accel */ + /* Freescale MMA8653FC accelerometer */ .board_info = { .type = "mma8653", .addr = 0x1d, @@ -428,7 +428,7 @@ const struct x86_dev_info nextbook_ares8_info __initconst = { .gpiod_lookup_tables = nextbook_ares8_gpios, }; -/* Nextbook Ares 8A (CHT) tablets have an Android factory img with everything hardcoded */ +/* Nextbook Ares 8A (CHT) tablets have an Android factory image with everything hardcoded */ static const char * const nextbook_ares8a_accel_mount_matrix[] = { "1", "0", "0", "0", "-1", "0", @@ -446,7 +446,7 @@ static const struct software_node nextbook_ares8a_accel_node = { static const struct x86_i2c_client_info nextbook_ares8a_i2c_clients[] __initconst = { { - /* Freescale MMA8653FC accel */ + /* Freescale MMA8653FC accelerometer */ .board_info = { .type = "mma8653", .addr = 0x1d, @@ -497,7 +497,7 @@ const struct x86_dev_info nextbook_ares8a_info __initconst = { * Peaq C1010 * This is a standard Windows tablet, but it has a special Dolby button. * This button has a WMI interface, but that is broken. Instead of trying to - * use the broken WMI interface, instantiate a gpio_keys device for this. + * use the broken WMI interface, instantiate a gpio-keys device for this. */ static const struct x86_gpio_button peaq_c1010_button __initconst = { .button = { @@ -521,7 +521,7 @@ const struct x86_dev_info peaq_c1010_info __initconst = { * Whitelabel (sold as various brands) TM800A550L tablets. * These tablet's DSDT contains a whole bunch of bogus ACPI I2C devices * (removed through acpi_quirk_skip_i2c_client_enumeration()) and - * the touchscreen fwnode has the wrong GPIOs. + * the touchscreen firmware node has the wrong GPIOs. */ static const char * const whitelabel_tm800a550l_accel_mount_matrix[] = { "-1", "0", "0", @@ -566,7 +566,7 @@ static const struct x86_i2c_client_info whitelabel_tm800a550l_i2c_clients[] __in .polarity = ACPI_ACTIVE_HIGH, }, }, { - /* kxcj91008 accel */ + /* kxcj91008 accelerometer */ .board_info = { .type = "kxcj91008", .addr = 0x0f, @@ -598,12 +598,12 @@ const struct x86_dev_info whitelabel_tm800a550l_info __initconst = { }; /* - * The fwnode for ktd2026 on Xaomi pad2. It composed of a RGB LED node + * The firmware node for ktd2026 on Xaomi pad2. It composed of a RGB LED node * with three subnodes for each color (B/G/R). The RGB LED node is named * "multi-led" to align with the name in the device tree. */ -/* main fwnode for ktd2026 */ +/* Main firmware node for ktd2026 */ static const struct software_node ktd2026_node = { .name = "ktd2026", }; @@ -665,12 +665,12 @@ static const struct software_node *ktd2026_node_group[] = { }; /* - * For the LEDs which backlight the menu / home / back capacitive buttons on + * For the LEDs which backlight the Menu / Home / Back capacitive buttons on * the bottom bezel. These are attached to a TPS61158 LED controller which * is controlled by the "pwm_soc_lpss_2" PWM output. */ #define XIAOMI_MIPAD2_LED_PERIOD_NS 19200 -#define XIAOMI_MIPAD2_LED_DEFAULT_DUTY 6000 /* From Android kernel */ +#define XIAOMI_MIPAD2_LED_MAX_DUTY_NS 6000 /* From Android kernel */ static struct pwm_device *xiaomi_mipad2_led_pwm; @@ -679,7 +679,7 @@ static int xiaomi_mipad2_brightness_set(struct led_classdev *led_cdev, { struct pwm_state state = { .period = XIAOMI_MIPAD2_LED_PERIOD_NS, - .duty_cycle = val, + .duty_cycle = XIAOMI_MIPAD2_LED_MAX_DUTY_NS * val / LED_FULL, /* Always set PWM enabled to avoid the pin floating */ .enabled = true, }; @@ -701,11 +701,11 @@ static int __init xiaomi_mipad2_init(struct device *dev) return -ENOMEM; led_cdev->name = "mipad2:white:touch-buttons-backlight"; - led_cdev->max_brightness = XIAOMI_MIPAD2_LED_PERIOD_NS; - /* "input-events" trigger uses blink_brightness */ - led_cdev->blink_brightness = XIAOMI_MIPAD2_LED_DEFAULT_DUTY; + led_cdev->max_brightness = LED_FULL; led_cdev->default_trigger = "input-events"; led_cdev->brightness_set_blocking = xiaomi_mipad2_brightness_set; + /* Turn LED off during suspend */ + led_cdev->flags = LED_CORE_SUSPENDRESUME; ret = devm_led_classdev_register(dev, led_cdev); if (ret) diff --git a/drivers/platform/x86/x86-android-tablets/shared-psy-info.c b/drivers/platform/x86/x86-android-tablets/shared-psy-info.c index d2d0aa51bc3f..a46fa15acfb1 100644 --- a/drivers/platform/x86/x86-android-tablets/shared-psy-info.c +++ b/drivers/platform/x86/x86-android-tablets/shared-psy-info.c @@ -39,7 +39,7 @@ const struct software_node fg_bq25890_supply_node = { .properties = fg_bq25890_supply_props, }; -/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV bat. */ +/* LiPo HighVoltage (max 4.35V) settings used by most devs with a HV battery */ static const struct property_entry generic_lipo_hv_4v35_battery_props[] = { PROPERTY_ENTRY_STRING("compatible", "simple-battery"), PROPERTY_ENTRY_STRING("device-chemistry", "lithium-ion"), @@ -80,7 +80,7 @@ const char * const bq24190_modules[] __initconst = { NULL }; -/* Generic pdevs array and gpio-lookups for micro USB ID pin handling */ +/* Generic platform device array and GPIO lookup table for micro USB ID pin handling */ const struct platform_device_info int3496_pdevs[] __initconst = { { /* For micro USB ID pin handling */ diff --git a/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h b/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h index 86402b9b46a3..5517e438c7b6 100644 --- a/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h +++ b/drivers/platform/x86/x86-android-tablets/x86-android-tablets.h @@ -61,7 +61,7 @@ struct x86_serdev_info { const char *ctrl_uid; const char *ctrl_devname; /* - * ATM the serdev core only supports of or ACPI matching; and sofar all + * ATM the serdev core only supports of or ACPI matching; and so far all * Android x86 tablets DSDTs have usable serdev nodes, but sometimes * under the wrong controller. So we just tie the existing serdev ACPI * node to the right controller. |