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path: root/drivers/platform/x86/dell/alienware-wmi.c
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2025-02-10platform/x86: Rename alienware-wmi.cKurt Borja
Rename alienware-wmi to support upcoming split. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-10-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Split DMI tableKurt Borja
Split thermal features into a new DMI table to support upcoming file split. While at it: Rename quirk_entry -> alienfx_quirks, Rename quirks -> alienfx and change hdmi_mux, amplifier and deepslp types to bool, because they are already being implicitly used as bools. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-8-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Refactor thermal control methodsKurt Borja
Refactor thermal control methods to use alienware_wmi_command() instead of alienware_wmax_command(). Drop alienware_wmax_command() as there is no more users left. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-7-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Refactor hdmi, amplifier, deepslp methodsKurt Borja
Refactor show/store methods for hdmi, amplifier, deepslp sysfs groups to use alienware_wmi_command() instead of alienware_wmax_command() which uses deprecated WMI methods. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-6-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Refactor LED control methodsKurt Borja
Both WMI devices handled by this module specify a distinct interface for LED control. Previously this module handled this by dynamically adapting arguments passed to wmi_evaluate_method() based on the `interface` global variable. To avoid the use of global variables, and enable the migration to non-deprecated WMI methods, let the WMI drivers define upd_led and upd_brightness operations, which completely replace alienware_update_led() and wmax_brightness(). Also define alienware_wmi_command(), which serves as a wrapper for wmidev_evaluate_method(). This new method is very similar to alienware_wmax_command() but is WMI device agnostic. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-5-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Add a state container for thermal control methodsKurt Borja
Refactor all thermal control methods to use the newly defined awcc_priv state container instead of global variables. While at it, rename create_thermal_profile() to awcc_platform_profile_init() and introduce alienware_awcc_setup() to set up the "AWCC" WMI device driver data. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-4-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Add WMI DriversKurt Borja
Add WMI drivers for LEGACY and WMAX devices. This involves moving the platform device registration to a helper function that is now called from the driver's preferred WMI device driver probe. In the case of the WMAX this is done only if `!quirks->thermal` because the newer WMAX interface doesn't support any of the LED features of this driver. This also eliminates the need to check for `quirks->num_zones > 0` inside alienfx_probe(). Only one WMI driver is registered on module initialization to prevent registering a duplicate platform device. Additionally, create_thermal_profile() now takes wmi_device * instead of platform_device *. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-3-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-02-10platform/x86: alienware-wmi: Add a state container for LED control featureKurt Borja
Add a state container for the "alienware-wmi" platform device and initialize it on the new alienfx_probe(). Migrate all LED control functions to use this state container to support upcoming file split. Additionally move the led_classdev registration to the platform driver probe and make it device managed. Drop alienware_zone_init() and alienware_zone_exit() because they are no longer needed and mimic the `quirks->num_zone > 0` check by failing the platform device probe. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250207154610.13675-2-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-21Merge branch 'fixes' into 'for-next'Ilpo Järvinen
Merged the 'fixes' branch into the 'for-next' branch to resolve a conflict in alienware-wmi zone teardown code.
2025-01-17ACPI: platform_profile: Remove platform_profile_handler from exported symbolsKurt Borja
In order to protect the platform_profile_handler from API consumers, allocate it in platform_profile_register() and modify it's signature accordingly. Remove the platform_profile_handler from all consumer drivers and replace them with a pointer to the class device, which is now returned from platform_profile_register(). Replace *pprof with a pointer to the class device in the rest of exported symbols. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Link: https://lore.kernel.org/r/20250116002721.75592-16-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-16ACPI: platform_profile: Add `probe` to platform_profile_opsKurt Borja
Add a `probe` callback to platform_profile_ops, which lets drivers initialize the choices member manually. This is a step towards unexposing the struct platform_profile_handler from the consumer drivers. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Link: https://lore.kernel.org/r/20250116002721.75592-6-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-16ACPI: platform_profile: Add `ops` member to handlersKurt Borja
Replace *profile_get and *profile_set members with a general *ops member. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Link: https://lore.kernel.org/r/20250116002721.75592-5-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-16ACPI: platform_profile: Remove platform_profile_handler from callbacksKurt Borja
Devices can now set drvdata to the class device, thus passing the platform_profile_handler to callbacks is unnecessary. Instead pass the class device. Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Link: https://lore.kernel.org/r/20250116002721.75592-4-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-16ACPI: platform_profile: Let drivers set drvdata to the class deviceKurt Borja
Add *drvdata to platform_profile_register() signature and assign it to the class device. While at it, pass specific driver state as drvdata to replace uses of container_of() with dev_get_drvdata(). Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Link: https://lore.kernel.org/r/20250116002721.75592-3-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-15platform/x86: alienware_wmi: General cleanup of WMAX methodsKurt Borja
Reorder variable declaration from longest to shortest. Standarize show/store method names of WMAX's sysfs groups. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20250105153019.19206-8-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-15platform/x86: alienware-wmi: Improve rgb-zones group creationKurt Borja
Define zone_attrs statically and initialize zone_attribute_group with platform driver's .dev_groups. Drop match_zone() and instead pass a `location` argument to previous show/store methods to access the correct `zone` LED state. On top of that rename zone_set() -> zone_store() to be more consistent with sysfs conventions. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20250105153019.19206-7-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-09platform/x86: alienware-wmi: Improve hdmi_mux, amplifier and deepslp group ↵Kurt Borja
creation Devices with hdmi_mux, amplifier or deepslp quirks create a sysfs group for each available feature. To accomplish this, helper create/remove functions were called on module init, but they had the following problems: - Create helpers called remove helpers on failure, which in turn tried to remove the sysfs group that failed to be created - If group creation failed mid way, previous successfully created groups were not cleaned up - Module exit only removed hdmi_mux group To improve this, drop all helpers and let the platform driver manage these sysfs groups, while controlling visibility with their respective quirks. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250105153019.19206-6-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-09platform/x86: alienware-wmi: Modify parse_rgb() signatureKurt Borja
parse_rgb() now takes struct color_platform instead of struct platform_zone to support upcoming refactor. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20250105153019.19206-5-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-09platform/x86: alienware-wmi: Move Lighting Control StateKurt Borja
Place Lighting Control State logic next to other attributes of the same sysfs group. While at it, rename: store_control_state() -> lighting_control_state_store() show_control_state() -> lighting_control_state_show() Replace DEVICE_ATTR() with DEVICE_ATTR_RW() and do a general style cleanup. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20250105153019.19206-4-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2025-01-09platform/x86: alienware-wmi: Remove unnecessary check at module exitKurt Borja
Module initialization fails if platform device fails to register so it's always not NULL at exit. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20250105153019.19206-3-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-12-30alienware-wmi: Use devm_platform_profile_register()Kurt Borja
Replace platform_profile_register() with it's device managed version. Drop remove_thermal_profile() because it's no longer needed. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20241224140131.30362-5-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-12-10ACPI: platform_profile: Add platform handler argument to ↵Mario Limonciello
platform_profile_remove() To allow registering and unregistering multiple platform handlers calls to platform_profile_remove() will need to know which handler is to be removed. Add an argument for this. Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Matthew Schwartz <matthew.schwartz@linux.dev> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20241206031918.1537-5-mario.limonciello@amd.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-12-10ACPI: platform_profile: Add device pointer into platform profile handlerMario Limonciello
In order to let platform profile handlers manage platform profile for their driver the core code will need a pointer to the device. Add this to the structure and use it in the trivial driver cases. Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20241206031918.1537-4-mario.limonciello@amd.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-12-10ACPI: platform-profile: Add a name member to handlersMario Limonciello
In order to prepare for allowing multiple handlers, introduce a name field that can be used to distinguish between different handlers. Tested-by: Mark Pearson <mpearson-lenovo@squebb.ca> Tested-by: Matthew Schwartz <matthew.schwartz@linux.dev> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Reviewed-by: Mark Pearson <mpearson-lenovo@squebb.ca> Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20241206031918.1537-2-mario.limonciello@amd.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-12-10alienware-wmi: Adds support to Alienware m16 R1 AMDKurt Borja
Adds support to Alienware m16 R1 AMD. Tested-by: Cihan Ozakca <cozakca@outlook.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20241208003013.6490-3-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-12-10alienware-wmi: Fix X Series and G Series quirksKurt Borja
Devices that are known to support the WMI thermal interface do not support the legacy LED control interface. Make `.num_zones = 0` and avoid calling alienware_zone_init() if that's the case. Fixes: 9f6c43041552 ("alienware-wmi: added platform profile support") Fixes: 1c1eb70e7d23 ("alienware-wmi: extends the list of supported models") Suggested-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Link: https://lore.kernel.org/r/20241208002652.5885-4-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-11-16alienware-wmi: create_thermal_profile() no longer brute-forces IDsKurt Borja
WMAX_METHOD_THERMAL_INFORMATION has a *system description* operation that outputs a buffer with the following structure: out[0] -> Number of fans out[1] -> Number of sensors out[2] -> 0x00 out[3] -> Number of thermal modes This is now used by create_thermal_profile() to retrieve available thermal codes instead of brute-forcing every ID. Tested on an Alienware x15 R1. Verified by checking ACPI tables of supported models. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20241111183623.14691-1-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-11-16alienware-wmi: Adds support to Alienware x17 R2Kurt Borja
Adds support to Alienware x17 R2 Tested-by: Samith Castro <SamithNarayam@hotmail.com> Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20241111183609.14653-1-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-11-16alienware-wmi: extends the list of supported modelsKurt Borja
Adds thermal + gmode quirk to: - Dell G15 5510 - Dell G15 5511 - Dell G15 5515 - Dell G3 3500 - Dell G3 3590 - Dell G5 5500 Adds thermal quirk to: - Alienware m18 R2 - Alienware m17 R5 AMD Support for these models was manually verified by reading their respective ACPI tables. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20241111183546.14617-1-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-11-16alienware-wmi: order alienware_quirks[] alphabeticallyKurt Borja
alienware_quirks[] entries are now ordered alphabetically Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20241111183520.14573-1-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-11-01alienware-wmi: Fix spelling mistake "requieres" -> "requires"Colin Ian King
There is a spelling mistake in a pr_warn message. Fix it. Signed-off-by: Colin Ian King <colin.i.king@gmail.com> Link: https://lore.kernel.org/r/20241101110230.3303197-1-colin.i.king@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-10-31alienware-wmi: added force module parametersKurt Borja
Added force_platform_profile and force_gmode unsafe module parameters, allowing users to force `thermal` and `gmode` quirks respectively. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20241030001148.7623-2-kuurtb@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-10-30alienware-wmi: added platform profile supportKurt Borja
Implements platform profile support for Dell laptops with new WMAX thermal interface, present on some Alienware X-Series, Alienware M-Series and Dell's G-Series laptops. This interface is suspected to be used by Alienware Command Center (AWCC), which is not available for linux systems, to manage thermal profiles. This implementation makes use of three WMI methods, namely THERMAL_CONTROL, THERMAL_INFORMATION and GAME_SHIFT_STATUS, which take u32 as input and output arguments. Each method has a set of supported operations specified in their respective enums. Not all models with WMAX WMI interface support these methods. Because of this, models have to manually declare support through new quirks `thermal` for THERMAL_CONTROL and THERMAL_INFORMATION and `gmode` for GAME_SHIFT_STATUS. Wrappers written for these methods support multiple operations. THERMAL_CONTROL switches thermal modes through operation ACTIVATE_PROFILE. Available thermal codes are auto-detected at runtime and matched against a list of known thermal codes: Thermal Table "User Selectable Thermal Tables" (USTT): BALANCED 0xA0 BALANCED_PERFORMANCE 0xA1 COOL 0xA2 QUIET 0xA3 PERFORMANCE 0xA4 LOW_POWER 0xA5 Thermal Table Basic: QUIET 0x96 BALANCED 0x97 BALANCED_PERFORMANCE 0x98 PERFORMANCE 0x99 Devices are known to implement only one of these tables without mixing their thermal codes. The fact that the least significant digit of every thermal code is consecutive of one another is exploited to efficiently match codes through arrays. Autodetection of available codes is done through operation LIST_IDS of method THERMAL_INFORMATION. This operation lists fan IDs, CPU sensor ID, GPU sensor ID and available thermal profile codes, *in that order*. As number of fans and thermal codes is very model dependent, almost every ID is scanned and matched based on conditions found on is_wmax_thermal_code(). The known upper bound for the number of IDs is 13, corresponding to a device that have 4 fans, 2 sensors and 7 thermal codes. Additionally G-Series laptops have a key called G-key, which (with AWCC proprietary driver) switches the thermal mode to an special mode named GMODE with code 0xAB and changes Game Shift Status to 1. Game Shift is a mode the manufacturer claims, increases gaming performance. GAME_SHIFT_STATUS method is used to mimic this behavior when selecting PLATFORM_PROFILE_PERFORMANCE option. All of these profiles are known to only change fan speed profiles, although there are untested claims that some of them also change power profiles. Activating a thermal mode with method THERMAL_CONTROL may cause short hangs. This is a known problem present on every platform. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Link: https://lore.kernel.org/r/20241030001124.7589-1-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-10-30alienware-wmi: alienware_wmax_command() is now input size agnosticKurt Borja
alienware_wmax_command() now takes void * and size_t instead of struct wmax_basic_args to extend support to new WMAX methods. Also int *out_data was changed to u32 *out_data, because new interface specifies u32 as output parameter and all previous callers would pass u32 * regardless. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20241030001057.7562-1-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2024-10-30alienware-wmi: fixed indentation and clean upKurt Borja
Fixed inconsistent indentation and removed unnecessary (acpi_size) and (u32 *) casts. Signed-off-by: Kurt Borja <kuurtb@gmail.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20241030001028.7402-2-kuurtb@gmail.com Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
2023-11-20platform/x86/dell: alienware-wmi: Use kasprintf()Christophe JAILLET
Use kasprintf() instead of hand writing it. This saves the need of an intermediate buffer. Signed-off-by: Christophe JAILLET <christophe.jaillet@wanadoo.fr> Link: https://lore.kernel.org/r/f2b2c9e5d80550e480a627c1b2139d5cc9472ffa.1699775015.git.christophe.jaillet@wanadoo.fr Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-12-08platform/x86/dell: alienware-wmi: Use sysfs_emit() instead of scnprintf()ye xingchen
Follow the advice of the Documentation/filesystems/sysfs.rst and show() should only use sysfs_emit() or sysfs_emit_at() when formatting the value to be returned to user space. Signed-off-by: ye xingchen <ye.xingchen@zte.com.cn> Link: https://lore.kernel.org/r/202212021721543696124@zte.com.cn Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2022-10-03platform/x86: use PLATFORM_DEVID_NONE instead of -1Barnabás Pőcze
Use the `PLATFORM_DEVID_NONE` constant instead of hard-coding -1 when creating a platform device. No functional changes are intended. Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com> Link: https://lore.kernel.org/r/20220930104857.2796923-1-pobrn@protonmail.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-04-07platform/x86: Adjust Dell drivers to a personal email addressMario Limonciello
So that I can always be reached in the future if necessary, add a personal email address. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Link: https://lore.kernel.org/r/20210401162206.26901-4-mario.limonciello@dell.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-04-07MAINTAINERS: Add missing section for alienware-wmi driverMario Limonciello
This driver is maintained by Dell, but it was missing in MAINTAINERS. Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Link: https://lore.kernel.org/r/20210401162206.26901-3-mario.limonciello@dell.com Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2021-02-04platform/x86: Move all dell drivers to their own subdirectoryMario Limonciello
A user without a Dell system doesn't need to pick any of these drivers. Users with a Dell system can enable this submenu and all drivers behind it will be enabled. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Link: https://lore.kernel.org/r/20210203195832.2950605-1-mario.limonciello@dell.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
generated by cgit v1.2.3 (git 2.39.1) at 2025-07-29 21:59:18 +0000