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[181.12.202.95]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7ea6e09eb1fsm259397a12.67.2024.10.11.19.03.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 11 Oct 2024 19:03:11 -0700 (PDT) From: Kurt Borja To: kuurtb@gmail.com Cc: hdegoede@redhat.com, ilpo.jarvinen@linux.intel.com, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v5 3/4] alienware-wmi: added platform profile support Date: Fri, 11 Oct 2024 23:02:38 -0300 Message-ID: <20241012020237.20057-2-kuurtb@gmail.com> X-Mailer: git-send-email 2.47.0 In-Reply-To: <20241012015849.19036-3-kuurtb@gmail.com> References: <20241012015849.19036-3-kuurtb@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" 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 implementation supports two sets of thermal profile codes, namely *thermal* and *thermal_ustt*, plus additional quirk *gmode* for Dell's G-Series laptops. Signed-off-by: Kurt Borja --- drivers/platform/x86/dell/Kconfig | 1 + drivers/platform/x86/dell/alienware-wmi.c | 236 ++++++++++++++++++++++ 2 files changed, 237 insertions(+) diff --git a/drivers/platform/x86/dell/Kconfig b/drivers/platform/x86/dell/= Kconfig index 68a49788a..b06d634cd 100644 --- a/drivers/platform/x86/dell/Kconfig +++ b/drivers/platform/x86/dell/Kconfig @@ -21,6 +21,7 @@ config ALIENWARE_WMI depends on LEDS_CLASS depends on NEW_LEDS depends on ACPI_WMI + select ACPI_PLATFORM_PROFILE help This is a driver for controlling Alienware BIOS driven features. It exposes an interface for controlling the AlienFX diff --git a/drivers/platform/x86/dell/alienware-wmi.c b/drivers/platform/x= 86/dell/alienware-wmi.c index b27f3b64c..6e30e9376 100644 --- a/drivers/platform/x86/dell/alienware-wmi.c +++ b/drivers/platform/x86/dell/alienware-wmi.c @@ -8,8 +8,11 @@ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt =20 #include +#include +#include #include #include +#include #include #include =20 @@ -25,6 +28,12 @@ #define WMAX_METHOD_AMPLIFIER_CABLE 0x6 #define WMAX_METHOD_DEEP_SLEEP_CONTROL 0x0B #define WMAX_METHOD_DEEP_SLEEP_STATUS 0x0C +#define WMAX_METHOD_THERMAL_INFORMATION 0x14 +#define WMAX_METHOD_THERMAL_CONTROL 0x15 + +#define WMAX_ARG_GET_CURRENT_PROF 0x0B + +#define WMAX_FAILURE_CODE 0xFFFFFFFF =20 MODULE_AUTHOR("Mario Limonciello "); MODULE_DESCRIPTION("Alienware special feature control"); @@ -49,11 +58,27 @@ enum WMAX_CONTROL_STATES { WMAX_SUSPEND =3D 3, }; =20 +enum WMAX_THERMAL_PROFILE { + WMAX_THERMAL_QUIET =3D 0x96, + WMAX_THERMAL_BALANCED =3D 0x97, + WMAX_THERMAL_BALANCED_PERFORMANCE =3D 0x98, + WMAX_THERMAL_PERFORMANCE =3D 0x99, + WMAX_THERMAL_USTT_LOW_POWER =3D 0xA5, + WMAX_THERMAL_USTT_QUIET =3D 0xA3, + WMAX_THERMAL_USTT_BALANCED =3D 0xA0, + WMAX_THERMAL_USTT_BALANCED_PERFORMANCE =3D 0xA1, + WMAX_THERMAL_USTT_PERFORMANCE =3D 0xA4, + WMAX_THERMAL_GMODE =3D 0xAB, +}; + struct quirk_entry { u8 num_zones; u8 hdmi_mux; u8 amplifier; u8 deepslp; + u8 thermal; + u8 thermal_ustt; + u8 gmode; }; =20 static struct quirk_entry *quirks; @@ -64,6 +89,9 @@ static struct quirk_entry quirk_inspiron5675 =3D { .hdmi_mux =3D 0, .amplifier =3D 0, .deepslp =3D 0, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, }; =20 static struct quirk_entry quirk_unknown =3D { @@ -71,6 +99,9 @@ static struct quirk_entry quirk_unknown =3D { .hdmi_mux =3D 0, .amplifier =3D 0, .deepslp =3D 0, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, }; =20 static struct quirk_entry quirk_x51_r1_r2 =3D { @@ -78,6 +109,9 @@ static struct quirk_entry quirk_x51_r1_r2 =3D { .hdmi_mux =3D 0, .amplifier =3D 0, .deepslp =3D 0, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, }; =20 static struct quirk_entry quirk_x51_r3 =3D { @@ -85,6 +119,9 @@ static struct quirk_entry quirk_x51_r3 =3D { .hdmi_mux =3D 0, .amplifier =3D 1, .deepslp =3D 0, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, }; =20 static struct quirk_entry quirk_asm100 =3D { @@ -92,6 +129,9 @@ static struct quirk_entry quirk_asm100 =3D { .hdmi_mux =3D 1, .amplifier =3D 0, .deepslp =3D 0, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, }; =20 static struct quirk_entry quirk_asm200 =3D { @@ -99,6 +139,9 @@ static struct quirk_entry quirk_asm200 =3D { .hdmi_mux =3D 1, .amplifier =3D 0, .deepslp =3D 1, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, }; =20 static struct quirk_entry quirk_asm201 =3D { @@ -106,6 +149,19 @@ static struct quirk_entry quirk_asm201 =3D { .hdmi_mux =3D 1, .amplifier =3D 1, .deepslp =3D 1, + .thermal =3D 0, + .thermal_ustt =3D 0, + .gmode =3D 0, +}; + +static struct quirk_entry quirk_x15_r1 =3D { + .num_zones =3D 2, + .hdmi_mux =3D 0, + .amplifier =3D 0, + .deepslp =3D 0, + .thermal =3D 0, + .thermal_ustt =3D 1, + .gmode =3D 0, }; =20 static int __init dmi_matched(const struct dmi_system_id *dmi) @@ -169,6 +225,15 @@ static const struct dmi_system_id alienware_quirks[] _= _initconst =3D { }, .driver_data =3D &quirk_asm201, }, + { + .callback =3D dmi_matched, + .ident =3D "Alienware x15 R1", + .matches =3D { + DMI_MATCH(DMI_SYS_VENDOR, "Alienware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x15 R1") + }, + .driver_data =3D &quirk_x15_r1, + }, { .callback =3D dmi_matched, .ident =3D "Dell Inc. Inspiron 5675", @@ -218,6 +283,7 @@ static struct platform_device *platform_device; static struct device_attribute *zone_dev_attrs; static struct attribute **zone_attrs; static struct platform_zone *zone_data; +static struct platform_profile_handler pp_handler; =20 static struct platform_driver platform_driver =3D { .driver =3D { @@ -761,6 +827,168 @@ static int create_deepsleep(struct platform_device *d= ev) return ret; } =20 +/* + * Thermal Profile control + * - Provides thermal profile control through the Platform Profile API + */ +#define WMAX_PROFILE_MASK GENMASK(15, 8) +#define WMAX_PROFILE_ACTIVATE BIT(0) + +static u32 profile_to_wmax_arg(enum WMAX_THERMAL_PROFILE prof) +{ + return FIELD_PREP(WMAX_PROFILE_MASK, prof) | WMAX_PROFILE_ACTIVATE; +} + +static int thermal_profile_get(struct platform_profile_handler *pprof, + enum platform_profile_option *profile) +{ + acpi_status status; + u32 in_args =3D WMAX_ARG_GET_CURRENT_PROF; + u32 out_data; + + status =3D alienware_wmax_command(&in_args, sizeof(in_args), + WMAX_METHOD_THERMAL_INFORMATION, &out_data); + + if (ACPI_FAILURE(status)) + return -EIO; + + if (out_data =3D=3D WMAX_FAILURE_CODE) + return -EBADRQC; + + switch (out_data) { + case WMAX_THERMAL_USTT_LOW_POWER: + *profile =3D PLATFORM_PROFILE_LOW_POWER; + break; + case WMAX_THERMAL_QUIET: + case WMAX_THERMAL_USTT_QUIET: + *profile =3D PLATFORM_PROFILE_QUIET; + break; + case WMAX_THERMAL_BALANCED: + case WMAX_THERMAL_USTT_BALANCED: + *profile =3D PLATFORM_PROFILE_BALANCED; + break; + case WMAX_THERMAL_BALANCED_PERFORMANCE: + case WMAX_THERMAL_USTT_BALANCED_PERFORMANCE: + *profile =3D PLATFORM_PROFILE_BALANCED_PERFORMANCE; + break; + case WMAX_THERMAL_GMODE: + case WMAX_THERMAL_PERFORMANCE: + case WMAX_THERMAL_USTT_PERFORMANCE: + *profile =3D PLATFORM_PROFILE_PERFORMANCE; + break; + default: + return -ENODATA; + } + + return 0; +} + +static int thermal_profile_set(struct platform_profile_handler *pprof, + enum platform_profile_option profile) +{ + acpi_status status; + u32 in_args; + u32 out_data; + + switch (profile) { + case PLATFORM_PROFILE_QUIET: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_QUIET); + break; + case PLATFORM_PROFILE_BALANCED: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_BALANCED); + break; + case PLATFORM_PROFILE_BALANCED_PERFORMANCE: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_BALANCED_PERFORMANCE); + break; + case PLATFORM_PROFILE_PERFORMANCE: + if (quirks->gmode > 0) + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_GMODE); + else + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_PERFORMANCE); + break; + default: + return -EOPNOTSUPP; + } + + status =3D alienware_wmax_command(&in_args, sizeof(in_args), + WMAX_METHOD_THERMAL_CONTROL, &out_data); + + if (ACPI_FAILURE(status)) + return -EIO; + + if (out_data =3D=3D WMAX_FAILURE_CODE) + return -EBADRQC; + + return 0; +} + +static int thermal_profile_set_ustt(struct platform_profile_handler *pprof, + enum platform_profile_option profile) +{ + acpi_status status; + u32 in_args; + u32 out_data; + + switch (profile) { + case PLATFORM_PROFILE_LOW_POWER: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_USTT_LOW_POWER); + break; + case PLATFORM_PROFILE_QUIET: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_USTT_QUIET); + break; + case PLATFORM_PROFILE_BALANCED: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_USTT_BALANCED); + break; + case PLATFORM_PROFILE_BALANCED_PERFORMANCE: + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_USTT_BALANCED_PERFORMANCE); + break; + case PLATFORM_PROFILE_PERFORMANCE: + if (quirks->gmode > 0) + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_GMODE); + else + in_args =3D profile_to_wmax_arg(WMAX_THERMAL_USTT_PERFORMANCE); + break; + default: + return -EOPNOTSUPP; + } + + status =3D alienware_wmax_command(&in_args, sizeof(in_args), + WMAX_METHOD_THERMAL_CONTROL, &out_data); + + if (ACPI_FAILURE(status)) + return -EIO; + + if (out_data =3D=3D WMAX_FAILURE_CODE) + return -EBADRQC; + + return 0; +} + +static int create_thermal_profile(void) +{ + pp_handler.profile_get =3D thermal_profile_get; + + if (quirks->thermal > 0) + pp_handler.profile_set =3D thermal_profile_set; + else { + pp_handler.profile_set =3D thermal_profile_set_ustt; + set_bit(PLATFORM_PROFILE_LOW_POWER, pp_handler.choices); + } + + set_bit(PLATFORM_PROFILE_QUIET, pp_handler.choices); + set_bit(PLATFORM_PROFILE_BALANCED, pp_handler.choices); + set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE, pp_handler.choices); + set_bit(PLATFORM_PROFILE_PERFORMANCE, pp_handler.choices); + + return platform_profile_register(&pp_handler); +} + +static void remove_thermal_profile(void) +{ + if (quirks->thermal > 0) + platform_profile_remove(); +} + static int __init alienware_wmi_init(void) { int ret; @@ -808,6 +1036,12 @@ static int __init alienware_wmi_init(void) goto fail_prep_deepsleep; } =20 + if (quirks->thermal > 0 || quirks->thermal_ustt > 0) { + ret =3D create_thermal_profile(); + if (ret) + goto fail_prep_thermal_profile; + } + ret =3D alienware_zone_init(platform_device); if (ret) goto fail_prep_zones; @@ -818,6 +1052,7 @@ static int __init alienware_wmi_init(void) alienware_zone_exit(platform_device); fail_prep_deepsleep: fail_prep_amplifier: +fail_prep_thermal_profile: fail_prep_hdmi: platform_device_del(platform_device); fail_platform_device2: @@ -835,6 +1070,7 @@ static void __exit alienware_wmi_exit(void) if (platform_device) { alienware_zone_exit(platform_device); remove_hdmi(platform_device); + remove_thermal_profile(); platform_device_unregister(platform_device); platform_driver_unregister(&platform_driver); } --=20 2.47.0