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platform/x86: Add lenovo-wmi-* driver Documentation
Adds documentation for new lenovo-wmi drivers. Reviewed-by: Alok Tiwari <alok.a.tiwari@oracle.com> Reviewed-by: Armin Wolf <W_Armin@gmx.de> Reviewed-by: Mario Limonciello <mario.limonciello@amd.com> Signed-off-by: Derek J. Clark <derekjohn.clark@gmail.com> Link: https://lore.kernel.org/r/20250702033826.1057762-2-derekjohn.clark@gmail.com Reviewed-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
This commit is contained in:
Derek J. Clark
committed by
Ilpo Järvinen
Ilpo Järvinen
parent
88e326b331
commit
57139e126a
203
Documentation/wmi/devices/lenovo-wmi-gamezone.rst
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203
Documentation/wmi/devices/lenovo-wmi-gamezone.rst
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.. SPDX-License-Identifier: GPL-2.0-or-later
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==========================================================
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Lenovo WMI Interface Gamezone Driver (lenovo-wmi-gamezone)
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==========================================================
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Introduction
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============
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The Lenovo WMI gamezone interface is broken up into multiple GUIDs,
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The primary "Gamezone" GUID provides advanced features such as fan
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profiles and overclocking. It is paired with multiple event GUIDs
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and data block GUIDs that provide context for the various methods.
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Gamezone Data
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-------------
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WMI GUID ``887B54E3-DDDC-4B2C-8B88-68A26A8835D0``
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The Gamezone Data WMI interface provides platform-profile and fan curve
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settings for devices that fall under the "Gaming Series" of Lenovo devices.
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It uses a notifier chain to inform other Lenovo WMI interface drivers of the
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current platform profile when it changes.
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The following platform profiles are supported:
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- low-power
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- balanced
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- balanced-performance
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- performance
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- custom
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Balanced-Performance
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~~~~~~~~~~~~~~~~~~~~
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Some newer Lenovo "Gaming Series" laptops have an "Extreme Mode" profile
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enabled in their BIOS. For these devices, the performance platform profile
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corresponds to the BIOS Extreme Mode, while the balanced-performance
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platform profile corresponds to the BIOS Performance mode. For legacy
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devices, the performance platform profile will correspond with the BIOS
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Performance mode.
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For some newer devices the "Extreme Mode" profile is incomplete in the BIOS
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and setting it will cause undefined behavior. A BIOS bug quirk table is
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provided to ensure these devices cannot set "Extreme Mode" from the driver.
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Custom Profile
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~~~~~~~~~~~~~~
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The custom profile represents a hardware mode on Lenovo devices that enables
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user modifications to Package Power Tracking (PPT) and fan curve settings.
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When an attribute exposed by the Other Mode WMI interface is to be modified,
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the Gamezone driver must first be switched to the "custom" profile manually,
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or the setting will have no effect. If another profile is set from the list
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of supported profiles, the BIOS will override any user PPT settings when
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switching to that profile.
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Gamezone Thermal Mode Event
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---------------------------
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WMI GUID ``D320289E-8FEA-41E0-86F9-911D83151B5F``
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The Gamezone Thermal Mode Event interface notifies the system when the platform
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profile has changed, either through the hardware event (Fn+Q for laptops or
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Legion + Y for Go Series), or through the Gamezone WMI interface. This event is
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implemented in the Lenovo WMI Events driver (lenovo-wmi-events).
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WMI interface description
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=========================
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The WMI interface description can be decoded from the embedded binary MOF (bmof)
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data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
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::
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO_GAMEZONE_DATA class"), guid("{887B54E3-DDDC-4B2C-8B88-68A26A8835D0}")]
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class LENOVO_GAMEZONE_DATA {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiMethodId(4), Implemented, Description("Is SupportGpu OverClock")] void IsSupportGpuOC([out, Description("Is SupportGpu OverClock")] uint32 Data);
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[WmiMethodId(11), Implemented, Description("Get AslCode Version")] void GetVersion ([out, Description("AslCode version")] UINT32 Data);
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[WmiMethodId(12), Implemented, Description("Fan cooling capability")] void IsSupportFanCooling([out, Description("Fan cooling capability")] UINT32 Data);
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[WmiMethodId(13), Implemented, Description("Set Fan cooling on/off")] void SetFanCooling ([in, Description("Set Fan cooling on/off")] UINT32 Data);
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[WmiMethodId(14), Implemented, Description("cpu oc capability")] void IsSupportCpuOC ([out, Description("cpu oc capability")] UINT32 Data);
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[WmiMethodId(15), Implemented, Description("bios has overclock capability")] void IsBIOSSupportOC ([out, Description("bios has overclock capability")] UINT32 Data);
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[WmiMethodId(16), Implemented, Description("enable or disable overclock in bios")] void SetBIOSOC ([in, Description("enable or disable overclock in bios")] UINT32 Data);
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[WmiMethodId(18), Implemented, Description("Get CPU temperature")] void GetCPUTemp ([out, Description("Get CPU temperature")] UINT32 Data);
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[WmiMethodId(19), Implemented, Description("Get GPU temperature")] void GetGPUTemp ([out, Description("Get GPU temperature")] UINT32 Data);
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[WmiMethodId(20), Implemented, Description("Get Fan cooling on/off status")] void GetFanCoolingStatus ([out, Description("Get Fan cooling on/off status")] UINT32 Data);
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[WmiMethodId(21), Implemented, Description("EC support disable windows key capability")] void IsSupportDisableWinKey ([out, Description("EC support disable windows key capability")] UINT32 Data);
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[WmiMethodId(22), Implemented, Description("Set windows key disable/enable")] void SetWinKeyStatus ([in, Description("Set windows key disable/enable")] UINT32 Data);
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[WmiMethodId(23), Implemented, Description("Get windows key disable/enable status")] void GetWinKeyStatus ([out, Description("Get windows key disable/enable status")] UINT32 Data);
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[WmiMethodId(24), Implemented, Description("EC support disable touchpad capability")] void IsSupportDisableTP ([out, Description("EC support disable touchpad capability")] UINT32 Data);
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[WmiMethodId(25), Implemented, Description("Set touchpad disable/enable")] void SetTPStatus ([in, Description("Set touchpad disable/enable")] UINT32 Data);
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[WmiMethodId(26), Implemented, Description("Get touchpad disable/enable status")] void GetTPStatus ([out, Description("Get touchpad disable/enable status")] UINT32 Data);
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[WmiMethodId(30), Implemented, Description("Get Keyboard feature list")] void GetKeyboardfeaturelist ([out, Description("Get Keyboard feature list")] UINT32 Data);
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[WmiMethodId(31), Implemented, Description("Get Memory OC Information")] void GetMemoryOCInfo ([out, Description("Get Memory OC Information")] UINT32 Data);
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[WmiMethodId(32), Implemented, Description("Water Cooling feature capability")] void IsSupportWaterCooling ([out, Description("Water Cooling feature capability")] UINT32 Data);
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[WmiMethodId(33), Implemented, Description("Set Water Cooling status")] void SetWaterCoolingStatus ([in, Description("Set Water Cooling status")] UINT32 Data);
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[WmiMethodId(34), Implemented, Description("Get Water Cooling status")] void GetWaterCoolingStatus ([out, Description("Get Water Cooling status")] UINT32 Data);
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[WmiMethodId(35), Implemented, Description("Lighting feature capability")] void IsSupportLightingFeature ([out, Description("Lighting feature capability")] UINT32 Data);
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[WmiMethodId(36), Implemented, Description("Set keyboard light off or on to max")] void SetKeyboardLight ([in, Description("keyboard light off or on switch")] UINT32 Data);
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[WmiMethodId(37), Implemented, Description("Get keyboard light on/off status")] void GetKeyboardLight ([out, Description("Get keyboard light on/off status")] UINT32 Data);
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[WmiMethodId(38), Implemented, Description("Get Macrokey scan code")] void GetMacrokeyScancode ([in, Description("Macrokey index")] UINT32 idx, [out, Description("Scan code")] UINT32 scancode);
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[WmiMethodId(39), Implemented, Description("Get Macrokey count")] void GetMacrokeyCount ([out, Description("Macrokey count")] UINT32 Data);
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[WmiMethodId(40), Implemented, Description("Support G-Sync feature")] void IsSupportGSync ([out, Description("Support G-Sync feature")] UINT32 Data);
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[WmiMethodId(41), Implemented, Description("Get G-Sync Status")] void GetGSyncStatus ([out, Description("Get G-Sync Status")] UINT32 Data);
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[WmiMethodId(42), Implemented, Description("Set G-Sync Status")] void SetGSyncStatus ([in, Description("Set G-Sync Status")] UINT32 Data);
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[WmiMethodId(43), Implemented, Description("Support Smart Fan feature")] void IsSupportSmartFan ([out, Description("Support Smart Fan feature")] UINT32 Data);
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[WmiMethodId(44), Implemented, Description("Set Smart Fan Mode")] void SetSmartFanMode ([in, Description("Set Smart Fan Mode")] UINT32 Data);
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[WmiMethodId(45), Implemented, Description("Get Smart Fan Mode")] void GetSmartFanMode ([out, Description("Get Smart Fan Mode")] UINT32 Data);
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[WmiMethodId(46), Implemented, Description("Get Smart Fan Setting Mode")] void GetSmartFanSetting ([out, Description("Get Smart Setting Mode")] UINT32 Data);
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[WmiMethodId(47), Implemented, Description("Get Power Charge Mode")] void GetPowerChargeMode ([out, Description("Get Power Charge Mode")] UINT32 Data);
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[WmiMethodId(48), Implemented, Description("Get Gaming Product Info")] void GetProductInfo ([out, Description("Get Gaming Product Info")] UINT32 Data);
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[WmiMethodId(49), Implemented, Description("Over Drive feature capability")] void IsSupportOD ([out, Description("Over Drive feature capability")] UINT32 Data);
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[WmiMethodId(50), Implemented, Description("Get Over Drive status")] void GetODStatus ([out, Description("Get Over Drive status")] UINT32 Data);
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[WmiMethodId(51), Implemented, Description("Set Over Drive status")] void SetODStatus ([in, Description("Set Over Drive status")] UINT32 Data);
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[WmiMethodId(52), Implemented, Description("Set Light Control Owner")] void SetLightControlOwner ([in, Description("Set Light Control Owner")] UINT32 Data);
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[WmiMethodId(53), Implemented, Description("Set DDS Control Owner")] void SetDDSControlOwner ([in, Description("Set DDS Control Owner")] UINT32 Data);
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[WmiMethodId(54), Implemented, Description("Get the flag of restore OC value")] void IsRestoreOCValue ([in, Description("Clean this flag")] UINT32 idx, [out, Description("Restore oc value flag")] UINT32 Data);
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[WmiMethodId(55), Implemented, Description("Get Real Thremal Mode")] void GetThermalMode ([out, Description("Real Thremal Mode")] UINT32 Data);
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[WmiMethodId(56), Implemented, Description("Get the OC switch status in BIOS")] void GetBIOSOCMode ([out, Description("OC Mode")] UINT32 Data);
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[WmiMethodId(59), Implemented, Description("Get hardware info support version")] void GetHardwareInfoSupportVersion ([out, Description("version")] UINT32 Data);
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[WmiMethodId(60), Implemented, Description("Get Cpu core 0 max frequency")] void GetCpuFrequency ([out, Description("frequency")] UINT32 Data);
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[WmiMethodId(62), Implemented, Description("Check the Adapter type fit for OC")] void IsACFitForOC ([out, Description("AC check result")] UINT32 Data);
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[WmiMethodId(63), Implemented, Description("Is support IGPU mode")] void IsSupportIGPUMode ([out, Description("IGPU modes")] UINT32 Data);
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[WmiMethodId(64), Implemented, Description("Get IGPU Mode Status")] void GetIGPUModeStatus([out, Description("IGPU Mode Status")] UINT32 Data);
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[WmiMethodId(65), Implemented, Description("Set IGPU Mode")] void SetIGPUModeStatus([in, Description("IGPU Mode")] UINT32 mode, [out, Description("return code")] UINT32 Data);
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[WmiMethodId(66), Implemented, Description("Notify DGPU Status")] void NotifyDGPUStatus([in, Description("DGPU status")] UINT32 status, [out, Description("return code")] UINT32 Data);
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[WmiMethodId(67), Implemented, Description("Is changed Y log")] void IsChangedYLog([out, Description("Is changed Y Log")] UINT32 Data);
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[WmiMethodId(68), Implemented, Description("Get DGPU Hardwawre ID")] void GetDGPUHWId([out, Description("Get DGPU Hardware ID")] string Data);
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Definition of CPU OC parameter list"), guid("{B7F3CA0A-ACDC-42D2-9217-77C6C628FBD2}")]
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class LENOVO_GAMEZONE_CPU_OC_DATA {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("OC tune id.")] uint32 Tuneid;
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[WmiDataId(2), read, Description("Default value.")] uint32 DefaultValue;
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[WmiDataId(3), read, Description("OC Value.")] uint32 OCValue;
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[WmiDataId(4), read, Description("Min Value.")] uint32 MinValue;
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[WmiDataId(5), read, Description("Max Value.")] uint32 MaxValue;
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[WmiDataId(6), read, Description("Scale Value.")] uint32 ScaleValue;
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[WmiDataId(7), read, Description("OC Order id.")] uint32 OCOrderid;
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[WmiDataId(8), read, Description("NON-OC Order id.")] uint32 NOCOrderid;
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[WmiDataId(9), read, Description("Delay time in ms.")] uint32 Interval;
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Definition of GPU OC parameter list"), guid("{887B54E2-DDDC-4B2C-8B88-68A26A8835D0}")]
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class LENOVO_GAMEZONE_GPU_OC_DATA {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("P-State ID.")] uint32 PStateID;
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[WmiDataId(2), read, Description("CLOCK ID.")] uint32 ClockID;
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[WmiDataId(3), read, Description("Default value.")] uint32 defaultvalue;
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[WmiDataId(4), read, Description("OC Offset freqency.")] uint32 OCOffsetFreq;
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[WmiDataId(5), read, Description("OC Min offset value.")] uint32 OCMinOffset;
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[WmiDataId(6), read, Description("OC Max offset value.")] uint32 OCMaxOffset;
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[WmiDataId(7), read, Description("OC Offset Scale.")] uint32 OCOffsetScale;
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[WmiDataId(8), read, Description("OC Order id.")] uint32 OCOrderid;
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[WmiDataId(9), read, Description("NON-OC Order id.")] uint32 NOCOrderid;
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Fancooling finish event"), guid("{BC72A435-E8C1-4275-B3E2-D8B8074ABA59}")]
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class LENOVO_GAMEZONE_FAN_COOLING_EVENT: WMIEvent {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("Fancooling clean finish event")] uint32 EventId;
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Smart Fan mode change event"), guid("{D320289E-8FEA-41E0-86F9-611D83151B5F}")]
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class LENOVO_GAMEZONE_SMART_FAN_MODE_EVENT: WMIEvent {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("Smart Fan Mode change event")] uint32 mode;
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[WmiDataId(2), read, Description("version of FN+Q")] uint32 version;
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Smart Fan setting mode change event"), guid("{D320289E-8FEA-41E1-86F9-611D83151B5F}")]
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class LENOVO_GAMEZONE_SMART_FAN_SETTING_EVENT: WMIEvent {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("Smart Fan Setting mode change event")] uint32 mode;
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("POWER CHARGE MODE Change EVENT"), guid("{D320289E-8FEA-41E0-86F9-711D83151B5F}")]
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class LENOVO_GAMEZONE_POWER_CHARGE_MODE_EVENT: WMIEvent {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("POWER CHARGE MODE Change EVENT")] uint32 mode;
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("Thermal Mode Real Mode change event"), guid("{D320289E-8FEA-41E0-86F9-911D83151B5F}")]
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class LENOVO_GAMEZONE_THERMAL_MODE_EVENT: WMIEvent {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiDataId(1), read, Description("Thermal Mode Real Mode")] uint32 mode;
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};
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108
Documentation/wmi/devices/lenovo-wmi-other.rst
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108
Documentation/wmi/devices/lenovo-wmi-other.rst
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@@ -0,0 +1,108 @@
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.. SPDX-License-Identifier: GPL-2.0-or-later
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===========================================================
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Lenovo WMI Interface Other Mode Driver (lenovo-wmi-other)
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===========================================================
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Introduction
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============
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Lenovo WMI Other Mode interface is broken up into multiple GUIDs,
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The primary Other Mode interface provides advanced power tuning features
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such as Package Power Tracking (PPT). It is paired with multiple data block
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GUIDs that provide context for the various methods.
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Other Mode
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----------
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WMI GUID ``DC2A8805-3A8C-41BA-A6F7-092E0089CD3B``
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The Other Mode WMI interface uses the firmware_attributes class to expose
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various WMI attributes provided by the interface in the sysfs. This enables
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CPU and GPU power limit tuning as well as various other attributes for
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devices that fall under the "Gaming Series" of Lenovo devices. Each
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attribute exposed by the Other Mode interface has corresponding
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capability data blocks which allow the driver to probe details about the
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attribute. Each attribute has multiple pages, one for each of the platform
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profiles managed by the Gamezone interface. Attributes are exposed in sysfs
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under the following path:
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::
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/sys/class/firmware-attributes/lenovo-wmi-other/attributes/<attribute>/
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LENOVO_CAPABILITY_DATA_01
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-------------------------
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WMI GUID ``7A8F5407-CB67-4D6E-B547-39B3BE018154``
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The LENOVO_CAPABILITY_DATA_01 interface provides information on various
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power limits of integrated CPU and GPU components.
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Each attribute has the following properties:
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- current_value
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- default_value
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- display_name
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- max_value
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- min_value
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- scalar_increment
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- type
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The following attributes are implemented:
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- ppt_pl1_spl: Platform Profile Tracking Sustained Power Limit
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- ppt_pl2_sppt: Platform Profile Tracking Slow Package Power Tracking
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- ppt_pl3_fppt: Platform Profile Tracking Fast Package Power Tracking
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WMI interface description
|
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=========================
|
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The WMI interface description can be decoded from the embedded binary MOF (bmof)
|
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data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
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::
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO_OTHER_METHOD class"), guid("{dc2a8805-3a8c-41ba-a6f7-092e0089cd3b}")]
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class LENOVO_OTHER_METHOD {
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[key, read] string InstanceName;
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[read] boolean Active;
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[WmiMethodId(17), Implemented, Description("Get Feature Value ")] void GetFeatureValue([in] uint32 IDs, [out] uint32 value);
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[WmiMethodId(18), Implemented, Description("Set Feature Value ")] void SetFeatureValue([in] uint32 IDs, [in] uint32 value);
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[WmiMethodId(19), Implemented, Description("Get Data By Command ")] void GetDataByCommand([in] uint32 IDs, [in] uint32 Command, [out] uint32 DataSize, [out, WmiSizeIs("DataSize")] uint32 Data[]);
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[WmiMethodId(99), Implemented, Description("Get Data By Package for TAC")] void GetDataByPackage([in, Max(40)] uint8 Input[], [out] uint32 DataSize, [out, WmiSizeIs("DataSize")] uint8 Data[]);
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO CAPABILITY DATA 00"), guid("{362a3afe-3d96-4665-8530-96dad5bb300e}")]
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class LENOVO_CAPABILITY_DATA_00 {
|
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[key, read] string InstanceName;
|
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[read] boolean Active;
|
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[WmiDataId(1), read, Description(" IDs.")] uint32 IDs;
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[WmiDataId(2), read, Description("Capability.")] uint32 Capability;
|
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[WmiDataId(3), read, Description("Capability Default Value.")] uint32 DefaultValue;
|
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};
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[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO CAPABILITY DATA 01"), guid("{7a8f5407-cb67-4d6e-b547-39b3be018154}")]
|
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class LENOVO_CAPABILITY_DATA_01 {
|
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[key, read] string InstanceName;
|
||||
[read] boolean Active;
|
||||
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[WmiDataId(1), read, Description(" IDs.")] uint32 IDs;
|
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[WmiDataId(2), read, Description("Capability.")] uint32 Capability;
|
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[WmiDataId(3), read, Description("Default Value.")] uint32 DefaultValue;
|
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[WmiDataId(4), read, Description("Step.")] uint32 Step;
|
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[WmiDataId(5), read, Description("Minimum Value.")] uint32 MinValue;
|
||||
[WmiDataId(6), read, Description("Maximum Value.")] uint32 MaxValue;
|
||||
};
|
||||
|
||||
[WMI, Dynamic, Provider("WmiProv"), Locale("MS\\0x409"), Description("LENOVO CAPABILITY DATA 02"), guid("{bbf1f790-6c2f-422b-bc8c-4e7369c7f6ab}")]
|
||||
class LENOVO_CAPABILITY_DATA_02 {
|
||||
[key, read] string InstanceName;
|
||||
[read] boolean Active;
|
||||
|
||||
[WmiDataId(1), read, Description(" IDs.")] uint32 IDs;
|
||||
[WmiDataId(2), read, Description("Capability.")] uint32 Capability;
|
||||
[WmiDataId(3), read, Description("Data Size.")] uint32 DataSize;
|
||||
[WmiDataId(4), read, Description("Default Value"), WmiSizeIs("DataSize")] uint8 DefaultValue[];
|
||||
};
|
||||
@@ -13673,8 +13673,11 @@ F: drivers/usb/misc/legousbtower.c
|
||||
|
||||
LENOVO drivers
|
||||
M: Mark Pearson <mpearson-lenovo@squebb.ca>
|
||||
M: Derek J. Clark <derekjohn.clark@gmail.com>
|
||||
L: platform-driver-x86@vger.kernel.org
|
||||
S: Maintained
|
||||
F: Documentation/wmi/devices/lenovo-wmi-gamezone.rst
|
||||
F: Documentation/wmi/devices/lenovo-wmi-other.rst
|
||||
F: drivers/platform/x86/lenovo/*
|
||||
|
||||
LENOVO WMI HOTKEY UTILITIES DRIVER
|
||||
|
||||
Reference in New Issue
Block a user