[v4,3/4] alienware-wmi: added platform profile support

Message ID	20241011064751.306795-2-kuurtb@gmail.com (mailing list archive)
State	Changes Requested, archived
Headers	show Received: from mail-pg1-f176.google.com (mail-pg1-f176.google.com [209.85.215.176]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 65C64208997; Fri, 11 Oct 2024 06:48:05 +0000 (UTC) From: Kurt Borja <kuurtb@gmail.com> To: kuurtb@gmail.com Cc: hdegoede@redhat.com, ilpo.jarvinen@linux.intel.com, W_Armin@gmx.de, linux-kernel@vger.kernel.org, platform-driver-x86@vger.kernel.org Subject: [PATCH v4 3/4] alienware-wmi: added platform profile support Date: Fri, 11 Oct 2024 03:47:52 -0300 Message-ID: <20241011064751.306795-2-kuurtb@gmail.com> In-Reply-To: <20241011064336.305795-2-kuurtb@gmail.com> References: <20241011064336.305795-2-kuurtb@gmail.com> Precedence: bulk MIME-Version: 1.0 Content-Transfer-Encoding: 8bit
Series	Dell AWCC platform_profile support \| expand [v4,0/4] Dell AWCC platform_profile support [v4,1/4] alienware-wmi: fixed indentation and clean up [v4,2/4] alienware-wmi: alienware_wmax_command() is now input size agnostic [v4,3/4] alienware-wmi: added platform profile support [v4,4/4] alienware-wmi: WMAX interface documentation

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/x86/dell/alienware-wmi.c index 8f7a8bfef..8af2ab7fe 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 #include <linux/acpi.h> +#include <linux/bitfield.h> +#include <linux/bits.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/platform_profile.h> #include <linux/dmi.h> #include <linux/leds.h> @@ -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 MODULE_AUTHOR("Mario Limonciello <mario.limonciello@outlook.com>"); MODULE_DESCRIPTION("Alienware special feature control"); @@ -49,11 +58,27 @@ enum WMAX_CONTROL_STATES { WMAX_SUSPEND = 3, }; +enum WMAX_THERMAL_PROFILE { + WMAX_THERMAL_QUIET = 0x96, + WMAX_THERMAL_BALANCED = 0x97, + WMAX_THERMAL_BALANCED_PERFORMANCE = 0x98, + WMAX_THERMAL_PERFORMANCE = 0x99, + WMAX_THERMAL_USTT_LOW_POWER = 0xA5, + WMAX_THERMAL_USTT_QUIET = 0xA3, + WMAX_THERMAL_USTT_BALANCED = 0xA0, + WMAX_THERMAL_USTT_BALANCED_PERFORMANCE = 0xA1, + WMAX_THERMAL_USTT_PERFORMANCE = 0xA4, + WMAX_THERMAL_GMODE = 0xAB, +}; + struct quirk_entry { u8 num_zones; u8 hdmi_mux; u8 amplifier; u8 deepslp; + u8 thermal; + u8 thermal_ustt; + u8 gmode; }; static struct quirk_entry *quirks; @@ -64,6 +89,9 @@ static struct quirk_entry quirk_inspiron5675 = { .hdmi_mux = 0, .amplifier = 0, .deepslp = 0, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, }; static struct quirk_entry quirk_unknown = { @@ -71,6 +99,9 @@ static struct quirk_entry quirk_unknown = { .hdmi_mux = 0, .amplifier = 0, .deepslp = 0, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, }; static struct quirk_entry quirk_x51_r1_r2 = { @@ -78,6 +109,9 @@ static struct quirk_entry quirk_x51_r1_r2 = { .hdmi_mux = 0, .amplifier = 0, .deepslp = 0, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, }; static struct quirk_entry quirk_x51_r3 = { @@ -85,6 +119,9 @@ static struct quirk_entry quirk_x51_r3 = { .hdmi_mux = 0, .amplifier = 1, .deepslp = 0, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, }; static struct quirk_entry quirk_asm100 = { @@ -92,6 +129,9 @@ static struct quirk_entry quirk_asm100 = { .hdmi_mux = 1, .amplifier = 0, .deepslp = 0, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, }; static struct quirk_entry quirk_asm200 = { @@ -99,6 +139,9 @@ static struct quirk_entry quirk_asm200 = { .hdmi_mux = 1, .amplifier = 0, .deepslp = 1, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, }; static struct quirk_entry quirk_asm201 = { @@ -106,6 +149,19 @@ static struct quirk_entry quirk_asm201 = { .hdmi_mux = 1, .amplifier = 1, .deepslp = 1, + .thermal = 0, + .thermal_ustt = 0, + .gmode = 0, +}; + +static struct quirk_entry quirk_x15_r1 = { + .num_zones = 2, + .hdmi_mux = 0, + .amplifier = 0, + .deepslp = 0, + .thermal = 0, + .thermal_ustt = 1, + .gmode = 0, }; static int __init dmi_matched(const struct dmi_system_id *dmi) @@ -169,6 +225,15 @@ static const struct dmi_system_id alienware_quirks[] __initconst = { }, .driver_data = &quirk_asm201, }, + { + .callback = dmi_matched, + .ident = "Alienware x15 R1", + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "Alienware"), + DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x15 R1") + }, + .driver_data = &quirk_x15_r1, + }, { .callback = dmi_matched, .ident = "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; static struct platform_driver platform_driver = { .driver = { @@ -761,6 +827,168 @@ static int create_deepsleep(struct platform_device *dev) return ret; } +/* + * 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 = WMAX_ARG_GET_CURRENT_PROF; + u32 out_data; + + status = alienware_wmax_command(&in_args, sizeof(in_args), + WMAX_METHOD_THERMAL_INFORMATION, &out_data); + + if (ACPI_FAILURE(status)) + return -EIO; + + if (out_data == WMAX_FAILURE_CODE) + return -EBADRQC; + + switch (out_data) { + case WMAX_THERMAL_USTT_LOW_POWER: + *profile = PLATFORM_PROFILE_LOW_POWER; + break; + case WMAX_THERMAL_QUIET: + case WMAX_THERMAL_USTT_QUIET: + *profile = PLATFORM_PROFILE_QUIET; + break; + case WMAX_THERMAL_BALANCED: + case WMAX_THERMAL_USTT_BALANCED: + *profile = PLATFORM_PROFILE_BALANCED; + break; + case WMAX_THERMAL_BALANCED_PERFORMANCE: + case WMAX_THERMAL_USTT_BALANCED_PERFORMANCE: + *profile = PLATFORM_PROFILE_BALANCED_PERFORMANCE; + break; + case WMAX_THERMAL_GMODE: + case WMAX_THERMAL_PERFORMANCE: + case WMAX_THERMAL_USTT_PERFORMANCE: + *profile = 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 = profile_to_wmax_arg(WMAX_THERMAL_QUIET); + break; + case PLATFORM_PROFILE_BALANCED: + in_args = profile_to_wmax_arg(WMAX_THERMAL_BALANCED); + break; + case PLATFORM_PROFILE_BALANCED_PERFORMANCE: + in_args = profile_to_wmax_arg(WMAX_THERMAL_BALANCED_PERFORMANCE); + break; + case PLATFORM_PROFILE_PERFORMANCE: + if (quirks->gmode > 0) + in_args = profile_to_wmax_arg(WMAX_THERMAL_GMODE); + else + in_args = profile_to_wmax_arg(WMAX_THERMAL_PERFORMANCE); + break; + default: + return -EOPNOTSUPP; + } + + status = alienware_wmax_command(&in_args, sizeof(in_args), + WMAX_METHOD_THERMAL_CONTROL, &out_data); + + if (ACPI_FAILURE(status)) + return -EIO; + + if (out_data == 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 = profile_to_wmax_arg(WMAX_THERMAL_USTT_LOW_POWER); + break; + case PLATFORM_PROFILE_QUIET: + in_args = profile_to_wmax_arg(WMAX_THERMAL_USTT_QUIET); + break; + case PLATFORM_PROFILE_BALANCED: + in_args = profile_to_wmax_arg(WMAX_THERMAL_USTT_BALANCED); + break; + case PLATFORM_PROFILE_BALANCED_PERFORMANCE: + in_args = profile_to_wmax_arg(WMAX_THERMAL_USTT_BALANCED_PERFORMANCE); + break; + case PLATFORM_PROFILE_PERFORMANCE: + if (quirks->gmode > 0) + in_args = profile_to_wmax_arg(WMAX_THERMAL_GMODE); + else + in_args = profile_to_wmax_arg(WMAX_THERMAL_USTT_PERFORMANCE); + break; + default: + return -EOPNOTSUPP; + } + + status = alienware_wmax_command(&in_args, sizeof(in_args), + WMAX_METHOD_THERMAL_CONTROL, &out_data); + + if (ACPI_FAILURE(status)) + return -EIO; + + if (out_data == WMAX_FAILURE_CODE) + return -EBADRQC; + + return 0; +} + +static int create_thermal_profile(void) +{ + pp_handler.profile_get = thermal_profile_get; + + if (quirks->thermal > 0) + pp_handler.profile_set = thermal_profile_set; + else { + pp_handler.profile_set = 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; } + if (quirks->thermal > 0 || quirks->thermal_ustt > 0) { + ret = create_thermal_profile(); + if (ret) + goto fail_prep_thermal_profile; + } + ret = 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); }

[v4,3/4] alienware-wmi: added platform profile support

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