On Sat, Jan 04, 2025 at 08:59:20PM +0530, Hridesh MG wrote: > Improve the platform profile handling by using WMI calls to fetch the > current platform profile instead of directly accessing it from the EC. > This is beneficial because the EC address differs for certain laptops. > > Link: https://lore.kernel.org/platform-driver-x86/d7be714c-3103-42ee-ad15-223a3fe67f80@xxxxxx/ > Co-developed-by: Armin Wolf <W_Armin@xxxxxx> > Signed-off-by: Armin Wolf <W_Armin@xxxxxx> > Signed-off-by: Hridesh MG <hridesh699@xxxxxxxxx> Hi Hridesh, > --- > drivers/platform/x86/acer-wmi.c | 189 ++++++++++++++++++++++++++++------------ > 1 file changed, 133 insertions(+), 56 deletions(-) > > diff --git a/drivers/platform/x86/acer-wmi.c b/drivers/platform/x86/acer-wmi.c > index b3043d78a7b38a7b773da5ecd4846ca11e8595f5..5370056fb2d03a768162f2f1643ef27dc6deafa8 100644 > --- a/drivers/platform/x86/acer-wmi.c > +++ b/drivers/platform/x86/acer-wmi.c > @@ -31,6 +31,7 @@ > #include <acpi/video.h> > #include <linux/hwmon.h> > #include <linux/units.h> > +#include <linux/unaligned.h> > #include <linux/bitfield.h> > > MODULE_AUTHOR("Carlos Corbacho"); > @@ -68,8 +69,11 @@ MODULE_LICENSE("GPL"); > #define ACER_WMID_GET_GAMING_SYS_INFO_METHODID 5 > #define ACER_WMID_SET_GAMING_FAN_BEHAVIOR 14 > #define ACER_WMID_SET_GAMING_MISC_SETTING_METHODID 22 > +#define ACER_WMID_GET_GAMING_MISC_SETTING_METHODID 23 > > -#define ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET 0x54 > +#define ACER_GAMING_MISC_SETTING_STATUS_MASK GENMASK_ULL(7, 0) > +#define ACER_GAMING_MISC_SETTING_INDEX_MASK GENMASK_ULL(7, 0) > +#define ACER_GAMING_MISC_SETTING_VALUE_MASK GENMASK_ULL(15, 8) > > #define ACER_PREDATOR_V4_RETURN_STATUS_BIT_MASK GENMASK_ULL(7, 0) > #define ACER_PREDATOR_V4_SENSOR_INDEX_BIT_MASK GENMASK_ULL(15, 8) > @@ -115,6 +119,13 @@ enum acer_wmi_predator_v4_sensor_id { > ACER_WMID_SENSOR_GPU_TEMPERATURE = 0x0A, > }; > > +enum acer_wmi_gaming_misc_setting { > + ACER_WMID_MISC_SETTING_OC_1 = 0x0005, > + ACER_WMID_MISC_SETTING_OC_2 = 0x0007, These OC settings should be added only if you add support for them. I noticed acer_toggle_turbo() uses these settings. For consistency, I think it should be refactored to use WMID_gaming_set_misc_setting() instead of WMID_gaming_set_u64(). > + ACER_WMID_MISC_SETTING_SUPPORTED_PROFILES = 0x000A, This should be added in patch [2/3]. > + ACER_WMID_MISC_SETTING_PLATFORM_PROFILE = 0x000B, > +}; > + > static const struct key_entry acer_wmi_keymap[] __initconst = { > {KE_KEY, 0x01, {KEY_WLAN} }, /* WiFi */ > {KE_KEY, 0x03, {KEY_WLAN} }, /* WiFi */ > @@ -751,20 +762,12 @@ static bool platform_profile_support; > */ > static int last_non_turbo_profile; > > -enum acer_predator_v4_thermal_profile_ec { > - ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x04, > - ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x03, > - ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x02, > - ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x01, > - ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x00, > -}; > - > -enum acer_predator_v4_thermal_profile_wmi { > - ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI = 0x060B, > - ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI = 0x050B, > - ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI = 0x040B, > - ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI = 0x0B, > - ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI = 0x010B, > +enum acer_predator_v4_thermal_profile { > + ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET = 0x00, > + ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED = 0x01, > + ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE = 0x04, > + ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO = 0x05, > + ACER_PREDATOR_V4_THERMAL_PROFILE_ECO = 0x06, > }; > > /* Find which quirks are needed for a particular vendor/ model pair */ > @@ -1477,6 +1480,45 @@ WMI_gaming_execute_u64(u32 method_id, u64 in, u64 *out) > return status; > } > > +static int WMI_gaming_execute_u32_u64(u32 method_id, u32 in, u64 *out) > +{ > + struct acpi_buffer result = { ACPI_ALLOCATE_BUFFER, NULL }; > + struct acpi_buffer input = { > + .length = sizeof(in), > + .pointer = &in, > + }; > + union acpi_object *obj; > + acpi_status status; > + int ret = 0; > + > + status = wmi_evaluate_method(WMID_GUID4, 0, method_id, &input, &result); > + if (ACPI_FAILURE(status)) > + return -EIO; > + > + obj = result.pointer; > + if (obj && out) { > + switch (obj->type) { > + case ACPI_TYPE_INTEGER: > + *out = obj->integer.value; > + break; > + case ACPI_TYPE_BUFFER: > + if (obj->buffer.length < sizeof(*out)) > + ret = -ENOMSG; > + else > + *out = get_unaligned_le64(obj->buffer.pointer); > + > + break; > + default: > + ret = -ENOMSG; > + break; > + } > + } > + > + kfree(obj); > + > + return ret; > +} > + > static acpi_status WMID_gaming_set_u64(u64 value, u32 cap) > { > u32 method_id = 0; > @@ -1565,6 +1607,48 @@ static void WMID_gaming_set_fan_mode(u8 fan_mode) > WMID_gaming_set_u64(gpu_fan_config2 | gpu_fan_config1 << 16, ACER_CAP_TURBO_FAN); > } > > +static int WMID_gaming_set_misc_setting(enum acer_wmi_gaming_misc_setting setting, u8 value) > +{ > + acpi_status status; > + u64 input = 0; > + u64 result; > + > + input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_INDEX_MASK, setting); > + input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_VALUE_MASK, value); > + > + status = WMI_gaming_execute_u64(ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, input, &result); > + if (ACPI_FAILURE(status)) > + return -EIO; > + > + /* The return status must be zero for the operation to have succeeded */ > + if (FIELD_GET(ACER_GAMING_MISC_SETTING_STATUS_MASK, result)) > + return -EIO; > + > + return 0; > +} > + > +static int WMID_gaming_get_misc_setting(enum acer_wmi_gaming_misc_setting setting, u8 *value) > +{ > + u64 input = 0; > + u64 result; > + int ret; > + > + input |= FIELD_PREP(ACER_GAMING_MISC_SETTING_INDEX_MASK, setting); > + > + ret = WMI_gaming_execute_u32_u64(ACER_WMID_GET_GAMING_MISC_SETTING_METHODID, input, > + &result); > + if (ret < 0) > + return ret; > + > + /* The return status must be zero for the operation to have succeeded */ > + if (FIELD_GET(ACER_GAMING_MISC_SETTING_STATUS_MASK, result)) > + return -EIO; > + > + *value = FIELD_GET(ACER_GAMING_MISC_SETTING_VALUE_MASK, result); > + > + return 0; > +} > + > /* > * Generic Device (interface-independent) > */ > @@ -1833,9 +1917,8 @@ acer_predator_v4_platform_profile_get(struct platform_profile_handler *pprof, > u8 tp; > int err; > > - err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET, &tp); > - > - if (err < 0) > + err = WMID_gaming_get_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, &tp); > + if (err) > return err; > > switch (tp) { > @@ -1865,36 +1948,33 @@ static int > acer_predator_v4_platform_profile_set(struct platform_profile_handler *pprof, > enum platform_profile_option profile) > { > - int tp; > - acpi_status status; > + int tp, err; > > switch (profile) { > case PLATFORM_PROFILE_PERFORMANCE: > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO; > break; > case PLATFORM_PROFILE_BALANCED_PERFORMANCE: > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE; > break; > case PLATFORM_PROFILE_BALANCED: > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > break; > case PLATFORM_PROFILE_QUIET: > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET; > break; > case PLATFORM_PROFILE_LOW_POWER: > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO; > break; > default: > return -EOPNOTSUPP; > } > > - status = WMI_gaming_execute_u64( > - ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL); > - > - if (ACPI_FAILURE(status)) > - return -EIO; > + err = WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, tp); > + if (err) > + return err; > > - if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI) > + if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO) > last_non_turbo_profile = tp; > > return 0; > @@ -1923,6 +2003,7 @@ static int acer_platform_profile_setup(struct platform_device *device) > set_bit(PLATFORM_PROFILE_LOW_POWER, > platform_profile_handler.choices); > > + Please, drop this extra line. ~ Kurt > err = platform_profile_register(&platform_profile_handler); > if (err) > return err; > @@ -1931,7 +2012,7 @@ static int acer_platform_profile_setup(struct platform_device *device) > > /* Set default non-turbo profile */ > last_non_turbo_profile = > - ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > } > return 0; > } > @@ -1946,12 +2027,10 @@ static int acer_thermal_profile_change(void) > u8 current_tp; > int tp, err; > u64 on_AC; > - acpi_status status; > - > - err = ec_read(ACER_PREDATOR_V4_THERMAL_PROFILE_EC_OFFSET, > - ¤t_tp); > > - if (err < 0) > + err = WMID_gaming_get_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, > + ¤t_tp); > + if (err) > return err; > > /* Check power source */ > @@ -1962,54 +2041,52 @@ static int acer_thermal_profile_change(void) > switch (current_tp) { > case ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO: > if (!on_AC) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > else if (cycle_gaming_thermal_profile) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO; > else > tp = last_non_turbo_profile; > break; > case ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE: > if (!on_AC) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > else > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO; > break; > case ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED: > if (!on_AC) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_ECO; > else if (cycle_gaming_thermal_profile) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_PERFORMANCE; > else > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO; > break; > case ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET: > if (!on_AC) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > else if (cycle_gaming_thermal_profile) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > else > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO; > break; > case ACER_PREDATOR_V4_THERMAL_PROFILE_ECO: > if (!on_AC) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_BALANCED; > else if (cycle_gaming_thermal_profile) > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_QUIET; > else > - tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI; > + tp = ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO; > break; > default: > return -EOPNOTSUPP; > } > > - status = WMI_gaming_execute_u64( > - ACER_WMID_SET_GAMING_MISC_SETTING_METHODID, tp, NULL); > - > - if (ACPI_FAILURE(status)) > - return -EIO; > + err = WMID_gaming_set_misc_setting(ACER_WMID_MISC_SETTING_PLATFORM_PROFILE, tp); > + if (err) > + return err; > > /* Store non-turbo profile for turbo mode toggle*/ > - if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO_WMI) > + if (tp != ACER_PREDATOR_V4_THERMAL_PROFILE_TURBO) > last_non_turbo_profile = tp; > > platform_profile_notify(&platform_profile_handler);
