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Message-ID: <20241221055917.10555-18-kuurtb@gmail.com>
Date: Sat, 21 Dec 2024 00:59:14 -0500
From: Kurt Borja <kuurtb@...il.com>
To: platform-driver-x86@...r.kernel.org
Cc: ilpo.jarvinen@...ux.intel.com,
mario.limonciello@....com,
w_armin@....de,
hdegoede@...hat.com,
linux-kernel@...r.kernel.org,
Dell.Client.Kernel@...l.com,
Kurt Borja <kuurtb@...il.com>
Subject: [PATCH 17/20] platform-x86: Split the alienware-wmi driver
Split alienware-wmi WMI drivers into different files. This is done
seamlessly by copying and pasting.
Signed-off-by: Kurt Borja <kuurtb@...il.com>
---
drivers/platform/x86/dell/Makefile | 2 +
.../platform/x86/dell/alienware-wmi-base.c | 596 ------------------
.../platform/x86/dell/alienware-wmi-legacy.c | 89 +++
.../platform/x86/dell/alienware-wmi-wmax.c | 526 ++++++++++++++++
4 files changed, 617 insertions(+), 596 deletions(-)
create mode 100644 drivers/platform/x86/dell/alienware-wmi-legacy.c
create mode 100644 drivers/platform/x86/dell/alienware-wmi-wmax.c
diff --git a/drivers/platform/x86/dell/Makefile b/drivers/platform/x86/dell/Makefile
index f8aec8502c2f..03ba459f3d31 100644
--- a/drivers/platform/x86/dell/Makefile
+++ b/drivers/platform/x86/dell/Makefile
@@ -6,6 +6,8 @@
obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o
alienware-wmi-objs := alienware-wmi-base.o
+alienware-wmi-y += alienware-wmi-legacy.o
+alienware-wmi-y += alienware-wmi-wmax.o
obj-$(CONFIG_DCDBAS) += dcdbas.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_DELL_RBTN) += dell-rbtn.o
diff --git a/drivers/platform/x86/dell/alienware-wmi-base.c b/drivers/platform/x86/dell/alienware-wmi-base.c
index e8d470bbb608..450ba0a48004 100644
--- a/drivers/platform/x86/dell/alienware-wmi-base.c
+++ b/drivers/platform/x86/dell/alienware-wmi-base.c
@@ -8,80 +8,21 @@
#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>
-#include <linux/wmi.h>
#include "alienware-wmi.h"
MODULE_AUTHOR("Mario Limonciello <mario.limonciello@...look.com>");
MODULE_DESCRIPTION("Alienware special feature control");
MODULE_LICENSE("GPL");
-static bool force_platform_profile;
-module_param_unsafe(force_platform_profile, bool, 0);
-MODULE_PARM_DESC(force_platform_profile, "Forces auto-detecting thermal profiles without checking if WMI thermal backend is available");
-
-static bool force_gmode;
-module_param_unsafe(force_gmode, bool, 0);
-MODULE_PARM_DESC(force_gmode, "Forces G-Mode when performance profile is selected");
-
enum INTERFACE_FLAGS {
LEGACY,
WMAX,
};
-enum WMAX_THERMAL_INFORMATION_OPERATIONS {
- WMAX_OPERATION_SYS_DESCRIPTION = 0x02,
- WMAX_OPERATION_LIST_IDS = 0x03,
- WMAX_OPERATION_CURRENT_PROFILE = 0x0B,
-};
-
-enum WMAX_THERMAL_CONTROL_OPERATIONS {
- WMAX_OPERATION_ACTIVATE_PROFILE = 0x01,
-};
-
-enum WMAX_GAME_SHIFT_STATUS_OPERATIONS {
- WMAX_OPERATION_TOGGLE_GAME_SHIFT = 0x01,
- WMAX_OPERATION_GET_GAME_SHIFT_STATUS = 0x02,
-};
-
-enum WMAX_THERMAL_TABLES {
- WMAX_THERMAL_TABLE_BASIC = 0x90,
- WMAX_THERMAL_TABLE_USTT = 0xA0,
-};
-
-enum wmax_thermal_mode {
- THERMAL_MODE_USTT_BALANCED,
- THERMAL_MODE_USTT_BALANCED_PERFORMANCE,
- THERMAL_MODE_USTT_COOL,
- THERMAL_MODE_USTT_QUIET,
- THERMAL_MODE_USTT_PERFORMANCE,
- THERMAL_MODE_USTT_LOW_POWER,
- THERMAL_MODE_BASIC_QUIET,
- THERMAL_MODE_BASIC_BALANCED,
- THERMAL_MODE_BASIC_BALANCED_PERFORMANCE,
- THERMAL_MODE_BASIC_PERFORMANCE,
- THERMAL_MODE_LAST,
-};
-
-static const enum platform_profile_option wmax_mode_to_platform_profile[THERMAL_MODE_LAST] = {
- [THERMAL_MODE_USTT_BALANCED] = PLATFORM_PROFILE_BALANCED,
- [THERMAL_MODE_USTT_BALANCED_PERFORMANCE] = PLATFORM_PROFILE_BALANCED_PERFORMANCE,
- [THERMAL_MODE_USTT_COOL] = PLATFORM_PROFILE_COOL,
- [THERMAL_MODE_USTT_QUIET] = PLATFORM_PROFILE_QUIET,
- [THERMAL_MODE_USTT_PERFORMANCE] = PLATFORM_PROFILE_PERFORMANCE,
- [THERMAL_MODE_USTT_LOW_POWER] = PLATFORM_PROFILE_LOW_POWER,
- [THERMAL_MODE_BASIC_QUIET] = PLATFORM_PROFILE_QUIET,
- [THERMAL_MODE_BASIC_BALANCED] = PLATFORM_PROFILE_BALANCED,
- [THERMAL_MODE_BASIC_BALANCED_PERFORMANCE] = PLATFORM_PROFILE_BALANCED_PERFORMANCE,
- [THERMAL_MODE_BASIC_PERFORMANCE] = PLATFORM_PROFILE_PERFORMANCE,
-};
-
struct quirk_entry {
u8 num_zones;
u8 hdmi_mux;
@@ -213,120 +154,10 @@ static const struct dmi_system_id alienware_quirks[] __initconst = {
{}
};
-struct awcc_features {
- bool gmode;
-};
-
-static struct awcc_features g_series_features = {
- .gmode = true,
-};
-
-static struct awcc_features x_series_features = {
- .gmode = false,
-};
-
-static const struct dmi_system_id awcc_dmi_table[] __initconst = {
- {
- .ident = "Alienware m17 R5",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m17 R5 AMD"),
- },
- .driver_data = &x_series_features,
- },
- {
- .ident = "Alienware m18 R2",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m18 R2"),
- },
- .driver_data = &x_series_features,
- },
- {
- .ident = "Alienware x15 R1",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x15 R1"),
- },
- .driver_data = &x_series_features,
- },
- {
- .ident = "Alienware x17 R2",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x17 R2"),
- },
- .driver_data = &x_series_features,
- },
- {
- .ident = "Dell Inc. G15 5510",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5510"),
- },
- .driver_data = &g_series_features,
- },
- {
- .ident = "Dell Inc. G15 5511",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5511"),
- },
- .driver_data = &g_series_features,
- },
- {
- .ident = "Dell Inc. G15 5515",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5515"),
- },
- .driver_data = &g_series_features,
- },
- {
- .ident = "Dell Inc. G3 3500",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "G3 3500"),
- },
- .driver_data = &g_series_features,
- },
- {
- .ident = "Dell Inc. G3 3590",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "G3 3590"),
- },
- .driver_data = &g_series_features,
- },
- {
- .ident = "Dell Inc. G5 5500",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "G5 5500"),
- },
- .driver_data = &g_series_features,
- },
-};
-
-struct awcc_features *awcc;
-
struct wmax_basic_args {
u8 arg;
};
-struct wmax_u32_args {
- u8 operation;
- u8 arg1;
- u8 arg2;
- u8 arg3;
-};
-
-struct awcc_priv {
- struct wmi_device *wdev;
- struct platform_profile_handler pp_handler;
- enum wmax_thermal_mode supported_thermal_profiles[PLATFORM_PROFILE_LAST];
-};
-
static u8 interface;
acpi_status alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
@@ -775,250 +606,6 @@ static const struct attribute_group deepsleep_attribute_group = {
.attrs = deepsleep_attrs,
};
-/*
- * Thermal Profile control
- * - Provides thermal profile control through the Platform Profile API
- */
-#define WMAX_THERMAL_TABLE_MASK GENMASK(7, 4)
-#define WMAX_THERMAL_MODE_MASK GENMASK(3, 0)
-#define WMAX_SENSOR_ID_MASK BIT(8)
-
-static bool is_wmax_thermal_code(u32 code)
-{
- if (code & WMAX_SENSOR_ID_MASK)
- return false;
-
- if ((code & WMAX_THERMAL_MODE_MASK) >= THERMAL_MODE_LAST)
- return false;
-
- if ((code & WMAX_THERMAL_TABLE_MASK) == WMAX_THERMAL_TABLE_BASIC &&
- (code & WMAX_THERMAL_MODE_MASK) >= THERMAL_MODE_BASIC_QUIET)
- return true;
-
- if ((code & WMAX_THERMAL_TABLE_MASK) == WMAX_THERMAL_TABLE_USTT &&
- (code & WMAX_THERMAL_MODE_MASK) <= THERMAL_MODE_USTT_LOW_POWER)
- return true;
-
- return false;
-}
-
-static int wmax_thermal_information(struct wmi_device *wdev, u8 operation,
- u8 arg, u32 *out_data)
-{
- struct wmax_u32_args in_args = {
- .operation = operation,
- .arg1 = arg,
- .arg2 = 0,
- .arg3 = 0,
- };
- acpi_status status;
-
- status = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_INFORMATION,
- &in_args, sizeof(in_args), out_data);
-
- if (ACPI_FAILURE(status))
- return -EIO;
-
- if (*out_data == WMAX_FAILURE_CODE)
- return -EBADRQC;
-
- return 0;
-}
-
-static int wmax_thermal_control(struct wmi_device *wdev, u8 profile)
-{
- struct wmax_u32_args in_args = {
- .operation = WMAX_OPERATION_ACTIVATE_PROFILE,
- .arg1 = profile,
- .arg2 = 0,
- .arg3 = 0,
- };
- acpi_status status;
- u32 out_data;
-
- status = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_CONTROL,
- &in_args, sizeof(in_args), &out_data);
-
- if (ACPI_FAILURE(status))
- return -EIO;
-
- if (out_data == WMAX_FAILURE_CODE)
- return -EBADRQC;
-
- return 0;
-}
-
-static int wmax_game_shift_status(struct wmi_device *wdev, u8 operation,
- u32 *out_data)
-{
- struct wmax_u32_args in_args = {
- .operation = operation,
- .arg1 = 0,
- .arg2 = 0,
- .arg3 = 0,
- };
- acpi_status status;
-
- status = alienware_wmi_command(wdev, WMAX_METHOD_GAME_SHIFT_STATUS,
- &in_args, sizeof(in_args), out_data);
-
- if (ACPI_FAILURE(status))
- return -EIO;
-
- if (*out_data == WMAX_FAILURE_CODE)
- return -EOPNOTSUPP;
-
- return 0;
-}
-
-static int thermal_profile_get(struct platform_profile_handler *pprof,
- enum platform_profile_option *profile)
-{
- struct awcc_priv *priv;
- u32 out_data;
- int ret;
-
- priv = container_of(pprof, struct awcc_priv, pp_handler);
-
- ret = wmax_thermal_information(priv->wdev, WMAX_OPERATION_CURRENT_PROFILE,
- 0, &out_data);
-
- if (ret < 0)
- return ret;
-
- if (out_data == WMAX_THERMAL_MODE_GMODE) {
- *profile = PLATFORM_PROFILE_PERFORMANCE;
- return 0;
- }
-
- if (!is_wmax_thermal_code(out_data))
- return -ENODATA;
-
- out_data &= WMAX_THERMAL_MODE_MASK;
- *profile = wmax_mode_to_platform_profile[out_data];
-
- return 0;
-}
-
-static int thermal_profile_set(struct platform_profile_handler *pprof,
- enum platform_profile_option profile)
-{
- struct awcc_priv *priv;
-
- priv = container_of(pprof, struct awcc_priv, pp_handler);
-
- if (awcc->gmode) {
- u32 gmode_status;
- int ret;
-
- ret = wmax_game_shift_status(priv->wdev,
- WMAX_OPERATION_GET_GAME_SHIFT_STATUS,
- &gmode_status);
-
- if (ret < 0)
- return ret;
-
- if ((profile == PLATFORM_PROFILE_PERFORMANCE && !gmode_status) ||
- (profile != PLATFORM_PROFILE_PERFORMANCE && gmode_status)) {
- ret = wmax_game_shift_status(priv->wdev,
- WMAX_OPERATION_TOGGLE_GAME_SHIFT,
- &gmode_status);
-
- if (ret < 0)
- return ret;
- }
- }
-
- return wmax_thermal_control(priv->wdev,
- priv->supported_thermal_profiles[profile]);
-}
-
-static int create_thermal_profile(struct wmi_device *wdev)
-{
- enum platform_profile_option profile;
- enum wmax_thermal_mode mode;
- struct awcc_priv *priv;
- u8 sys_desc[4];
- u32 first_mode;
- u32 out_data;
- int ret;
-
- priv = dev_get_drvdata(&wdev->dev);
-
- ret = wmax_thermal_information(wdev, WMAX_OPERATION_SYS_DESCRIPTION,
- 0, (u32 *) &sys_desc);
- if (ret < 0)
- return ret;
-
- first_mode = sys_desc[0] + sys_desc[1];
-
- for (u32 i = 0; i < sys_desc[3]; i++) {
- ret = wmax_thermal_information(wdev, WMAX_OPERATION_LIST_IDS,
- i + first_mode, &out_data);
-
- if (ret == -EIO)
- return ret;
-
- if (ret == -EBADRQC)
- break;
-
- if (!is_wmax_thermal_code(out_data))
- continue;
-
- mode = out_data & WMAX_THERMAL_MODE_MASK;
- profile = wmax_mode_to_platform_profile[mode];
- priv->supported_thermal_profiles[profile] = out_data;
-
- set_bit(profile, priv->pp_handler.choices);
- }
-
- if (bitmap_empty(priv->pp_handler.choices, PLATFORM_PROFILE_LAST))
- return -ENODEV;
-
- if (awcc->gmode) {
- priv->supported_thermal_profiles[PLATFORM_PROFILE_PERFORMANCE] =
- WMAX_THERMAL_MODE_GMODE;
-
- set_bit(PLATFORM_PROFILE_PERFORMANCE, priv->pp_handler.choices);
- }
-
- priv->pp_handler.profile_get = thermal_profile_get;
- priv->pp_handler.profile_set = thermal_profile_set;
- priv->pp_handler.name = "alienware-wmi";
- priv->pp_handler.dev = &wdev->dev;
-
- return platform_profile_register(&priv->pp_handler);
-}
-
-static int alienware_awcc_setup(struct wmi_device *wdev)
-{
- struct awcc_priv *priv;
- int ret;
-
- priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- dev_set_drvdata(&wdev->dev, priv);
-
- priv->wdev = wdev;
-
- ret = create_thermal_profile(wdev);
- if (ret < 0)
- return ret;
-
- return 0;
-}
-
-static void alienware_awcc_exit(struct wmi_device *wdev)
-{
- struct awcc_priv *priv;
-
- priv = dev_get_drvdata(&wdev->dev);
-
- platform_profile_remove(&priv->pp_handler);
-}
-
/*
* Platform Driver
*/
@@ -1097,189 +684,6 @@ void alienware_alienfx_exit(struct wmi_device *wdev)
platform_driver_unregister(&platform_driver);
}
-/*
- * Legacy WMI driver
- */
-static int legacy_wmi_update_led(struct alienfx_priv *priv,
- struct wmi_device *wdev, u8 location)
-{
- struct legacy_led_args legacy_args;
- struct acpi_buffer input;
- acpi_status status;
-
- legacy_args.colors = priv->colors[location];
- legacy_args.brightness = priv->global_brightness;
- legacy_args.state = priv->lighting_control_state;
-
- input.length = sizeof(legacy_args);
- input.pointer = &legacy_args;
-
- if (legacy_args.state == LEGACY_RUNNING)
- status = alienware_wmi_command(wdev, location + 1, &legacy_args,
- sizeof(legacy_args), NULL);
- else
- status = wmi_evaluate_method(LEGACY_POWER_CONTROL_GUID, 0,
- location + 1, &input, NULL);
-
- if (ACPI_FAILURE(status))
- return -EIO;
-
- return 0;
-}
-
-static int legacy_wmi_update_brightness(struct alienfx_priv *priv,
- struct wmi_device *wdev, u8 brightness)
-{
- return legacy_wmi_update_led(priv, wdev, 0);
-}
-
-static int legacy_wmi_probe(struct wmi_device *wdev, const void *context)
-{
- struct alienfx_platdata pdata = {
- .wdev = wdev,
- .ops = {
- .upd_led = legacy_wmi_update_led,
- .upd_brightness = legacy_wmi_update_brightness,
- },
- };
-
- return alienware_alienfx_setup(&pdata);
-}
-
-static void legacy_wmi_remove(struct wmi_device *wdev)
-{
- alienware_alienfx_exit(wdev);
-}
-
-static struct wmi_device_id alienware_legacy_device_id_table[] = {
- { LEGACY_CONTROL_GUID, NULL },
- { },
-};
-MODULE_DEVICE_TABLE(wmi, alienware_legacy_device_id_table);
-
-static struct wmi_driver alienware_legacy_wmi_driver = {
- .driver = {
- .name = "alienware-wmi-alienfx",
- .probe_type = PROBE_PREFER_ASYNCHRONOUS,
- },
- .id_table = alienware_legacy_device_id_table,
- .probe = legacy_wmi_probe,
- .remove = legacy_wmi_remove,
-};
-
-int __init alienware_legacy_wmi_init(void)
-{
- return wmi_driver_register(&alienware_legacy_wmi_driver);
-}
-
-void __exit alienware_legacy_wmi_exit(void)
-{
- wmi_driver_unregister(&alienware_legacy_wmi_driver);
-}
-
-/*
- * WMAX WMI driver
- */
-static int wmax_wmi_update_led(struct alienfx_priv *priv,
- struct wmi_device *wdev, u8 location)
-{
- struct wmax_led_args in_args = {
- .led_mask = 1 << location,
- .colors = priv->colors[location],
- .state = priv->lighting_control_state,
- };
- acpi_status status;
-
- status = alienware_wmi_command(wdev, WMAX_METHOD_ZONE_CONTROL,
- &in_args, sizeof(in_args), NULL);
- if (ACPI_FAILURE(status))
- return -EIO;
-
- return 0;
-}
-
-static int wmax_wmi_update_brightness(struct alienfx_priv *priv,
- struct wmi_device *wdev, u8 brightness)
-{
- struct wmax_brightness_args in_args = {
- .led_mask = 0xFF,
- .percentage = brightness,
- };
- acpi_status status;
-
- status = alienware_wmi_command(wdev, WMAX_METHOD_BRIGHTNESS, &in_args,
- sizeof(in_args), NULL);
- if (ACPI_FAILURE(status))
- return -EIO;
-
- return 0;
-}
-
-static int wmax_wmi_probe(struct wmi_device *wdev, const void *context)
-{
- struct alienfx_platdata pdata = {
- .wdev = wdev,
- .ops = {
- .upd_led = wmax_wmi_update_led,
- .upd_brightness = wmax_wmi_update_brightness,
- },
- };
- int ret = 0;
-
- if (awcc)
- ret = alienware_awcc_setup(wdev);
- else
- ret = alienware_alienfx_setup(&pdata);
-
- return ret;
-}
-
-static void wmax_wmi_remove(struct wmi_device *wdev)
-{
- if (awcc)
- alienware_awcc_exit(wdev);
- else
- alienware_alienfx_exit(wdev);
-}
-
-static struct wmi_device_id alienware_wmax_device_id_table[] = {
- { WMAX_CONTROL_GUID, NULL },
- { },
-};
-MODULE_DEVICE_TABLE(wmi, alienware_wmax_device_id_table);
-
-static struct wmi_driver alienware_wmax_wmi_driver = {
- .driver = {
- .name = "alienware-wmi-wmax",
- .probe_type = PROBE_PREFER_ASYNCHRONOUS,
- },
- .id_table = alienware_wmax_device_id_table,
- .probe = wmax_wmi_probe,
- .remove = wmax_wmi_remove,
-};
-
-int __init alienware_wmax_wmi_init(void)
-{
- const struct dmi_system_id *id;
-
- id = dmi_first_match(awcc_dmi_table);
- if (id)
- awcc = id->driver_data;
-
- if (force_platform_profile)
- awcc = &x_series_features;
-
- if (force_gmode)
- awcc = &g_series_features;
-
- return wmi_driver_register(&alienware_wmax_wmi_driver);
-}
-
-void __exit alienware_wmax_wmi_exit(void)
-{
- wmi_driver_unregister(&alienware_wmax_wmi_driver);
-}
-
static int __init alienware_wmi_init(void)
{
int ret;
diff --git a/drivers/platform/x86/dell/alienware-wmi-legacy.c b/drivers/platform/x86/dell/alienware-wmi-legacy.c
new file mode 100644
index 000000000000..38dd2a602f34
--- /dev/null
+++ b/drivers/platform/x86/dell/alienware-wmi-legacy.c
@@ -0,0 +1,89 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Alienware LEGACY WMI device driver
+ *
+ * Copyright (C) 2024 Kurt Borja <kuurtb@...il.com>
+ */
+
+#include <linux/wmi.h>
+#include "alienware-wmi.h"
+
+/*
+ * Legacy WMI driver
+ */
+static int legacy_wmi_update_led(struct alienfx_priv *priv,
+ struct wmi_device *wdev, u8 location)
+{
+ struct legacy_led_args legacy_args;
+ struct acpi_buffer input;
+ acpi_status status;
+
+ legacy_args.colors = priv->colors[location];
+ legacy_args.brightness = priv->global_brightness;
+ legacy_args.state = priv->lighting_control_state;
+
+ input.length = sizeof(legacy_args);
+ input.pointer = &legacy_args;
+
+ if (legacy_args.state == LEGACY_RUNNING)
+ status = alienware_wmi_command(wdev, location + 1, &legacy_args,
+ sizeof(legacy_args), NULL);
+ else
+ status = wmi_evaluate_method(LEGACY_POWER_CONTROL_GUID, 0,
+ location + 1, &input, NULL);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ return 0;
+}
+
+static int legacy_wmi_update_brightness(struct alienfx_priv *priv,
+ struct wmi_device *wdev, u8 brightness)
+{
+ return legacy_wmi_update_led(priv, wdev, 0);
+}
+
+static int legacy_wmi_probe(struct wmi_device *wdev, const void *context)
+{
+ struct alienfx_platdata pdata = {
+ .wdev = wdev,
+ .ops = {
+ .upd_led = legacy_wmi_update_led,
+ .upd_brightness = legacy_wmi_update_brightness,
+ },
+ };
+
+ return alienware_alienfx_setup(&pdata);
+}
+
+static void legacy_wmi_remove(struct wmi_device *wdev)
+{
+ alienware_alienfx_exit(wdev);
+}
+
+static struct wmi_device_id alienware_legacy_device_id_table[] = {
+ { LEGACY_CONTROL_GUID, NULL },
+ { },
+};
+MODULE_DEVICE_TABLE(wmi, alienware_legacy_device_id_table);
+
+static struct wmi_driver alienware_legacy_wmi_driver = {
+ .driver = {
+ .name = "alienware-wmi-alienfx",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+ .id_table = alienware_legacy_device_id_table,
+ .probe = legacy_wmi_probe,
+ .remove = legacy_wmi_remove,
+};
+
+int __init alienware_legacy_wmi_init(void)
+{
+ return wmi_driver_register(&alienware_legacy_wmi_driver);
+}
+
+void __exit alienware_legacy_wmi_exit(void)
+{
+ wmi_driver_unregister(&alienware_legacy_wmi_driver);
+}
diff --git a/drivers/platform/x86/dell/alienware-wmi-wmax.c b/drivers/platform/x86/dell/alienware-wmi-wmax.c
new file mode 100644
index 000000000000..75b9a1f029b2
--- /dev/null
+++ b/drivers/platform/x86/dell/alienware-wmi-wmax.c
@@ -0,0 +1,526 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Alienware WMAX WMI device driver
+ *
+ * Copyright (C) 2024 Kurt Borja <kuurtb@...il.com>
+ */
+
+#include <linux/dmi.h>
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_profile.h>
+#include <linux/wmi.h>
+#include "alienware-wmi.h"
+
+#define WMAX_THERMAL_TABLE_MASK GENMASK(7, 4)
+#define WMAX_THERMAL_MODE_MASK GENMASK(3, 0)
+#define WMAX_SENSOR_ID_MASK BIT(8)
+
+static bool force_platform_profile;
+module_param_unsafe(force_platform_profile, bool, 0);
+MODULE_PARM_DESC(force_platform_profile, "Forces auto-detecting thermal profiles without checking if WMI thermal backend is available");
+
+static bool force_gmode;
+module_param_unsafe(force_gmode, bool, 0);
+MODULE_PARM_DESC(force_gmode, "Forces G-Mode when performance profile is selected");
+
+enum WMAX_THERMAL_INFORMATION_OPERATIONS {
+ WMAX_OPERATION_SYS_DESCRIPTION = 0x02,
+ WMAX_OPERATION_LIST_IDS = 0x03,
+ WMAX_OPERATION_CURRENT_PROFILE = 0x0B,
+};
+
+enum WMAX_THERMAL_CONTROL_OPERATIONS {
+ WMAX_OPERATION_ACTIVATE_PROFILE = 0x01,
+};
+
+enum WMAX_GAME_SHIFT_STATUS_OPERATIONS {
+ WMAX_OPERATION_TOGGLE_GAME_SHIFT = 0x01,
+ WMAX_OPERATION_GET_GAME_SHIFT_STATUS = 0x02,
+};
+
+enum WMAX_THERMAL_TABLES {
+ WMAX_THERMAL_TABLE_BASIC = 0x90,
+ WMAX_THERMAL_TABLE_USTT = 0xA0,
+};
+
+enum wmax_thermal_mode {
+ THERMAL_MODE_USTT_BALANCED,
+ THERMAL_MODE_USTT_BALANCED_PERFORMANCE,
+ THERMAL_MODE_USTT_COOL,
+ THERMAL_MODE_USTT_QUIET,
+ THERMAL_MODE_USTT_PERFORMANCE,
+ THERMAL_MODE_USTT_LOW_POWER,
+ THERMAL_MODE_BASIC_QUIET,
+ THERMAL_MODE_BASIC_BALANCED,
+ THERMAL_MODE_BASIC_BALANCED_PERFORMANCE,
+ THERMAL_MODE_BASIC_PERFORMANCE,
+ THERMAL_MODE_LAST,
+};
+
+struct wmax_u32_args {
+ u8 operation;
+ u8 arg1;
+ u8 arg2;
+ u8 arg3;
+};
+
+struct awcc_priv {
+ struct wmi_device *wdev;
+ struct platform_profile_handler pp_handler;
+ enum wmax_thermal_mode supported_thermal_profiles[PLATFORM_PROFILE_LAST];
+};
+
+struct awcc_features {
+ bool gmode;
+};
+
+static struct awcc_features g_series_features = {
+ .gmode = true,
+};
+
+static struct awcc_features x_series_features = {
+ .gmode = false,
+};
+
+static const struct dmi_system_id awcc_dmi_table[] __initconst = {
+ {
+ .ident = "Alienware m17 R5",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m17 R5 AMD"),
+ },
+ .driver_data = &x_series_features,
+ },
+ {
+ .ident = "Alienware m18 R2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m18 R2"),
+ },
+ .driver_data = &x_series_features,
+ },
+ {
+ .ident = "Alienware x15 R1",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x15 R1"),
+ },
+ .driver_data = &x_series_features,
+ },
+ {
+ .ident = "Alienware x17 R2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x17 R2"),
+ },
+ .driver_data = &x_series_features,
+ },
+ {
+ .ident = "Dell Inc. G15 5510",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5510"),
+ },
+ .driver_data = &g_series_features,
+ },
+ {
+ .ident = "Dell Inc. G15 5511",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5511"),
+ },
+ .driver_data = &g_series_features,
+ },
+ {
+ .ident = "Dell Inc. G15 5515",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Dell G15 5515"),
+ },
+ .driver_data = &g_series_features,
+ },
+ {
+ .ident = "Dell Inc. G3 3500",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "G3 3500"),
+ },
+ .driver_data = &g_series_features,
+ },
+ {
+ .ident = "Dell Inc. G3 3590",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "G3 3590"),
+ },
+ .driver_data = &g_series_features,
+ },
+ {
+ .ident = "Dell Inc. G5 5500",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "G5 5500"),
+ },
+ .driver_data = &g_series_features,
+ },
+};
+
+static const enum platform_profile_option wmax_mode_to_platform_profile[THERMAL_MODE_LAST] = {
+ [THERMAL_MODE_USTT_BALANCED] = PLATFORM_PROFILE_BALANCED,
+ [THERMAL_MODE_USTT_BALANCED_PERFORMANCE] = PLATFORM_PROFILE_BALANCED_PERFORMANCE,
+ [THERMAL_MODE_USTT_COOL] = PLATFORM_PROFILE_COOL,
+ [THERMAL_MODE_USTT_QUIET] = PLATFORM_PROFILE_QUIET,
+ [THERMAL_MODE_USTT_PERFORMANCE] = PLATFORM_PROFILE_PERFORMANCE,
+ [THERMAL_MODE_USTT_LOW_POWER] = PLATFORM_PROFILE_LOW_POWER,
+ [THERMAL_MODE_BASIC_QUIET] = PLATFORM_PROFILE_QUIET,
+ [THERMAL_MODE_BASIC_BALANCED] = PLATFORM_PROFILE_BALANCED,
+ [THERMAL_MODE_BASIC_BALANCED_PERFORMANCE] = PLATFORM_PROFILE_BALANCED_PERFORMANCE,
+ [THERMAL_MODE_BASIC_PERFORMANCE] = PLATFORM_PROFILE_PERFORMANCE,
+};
+
+struct awcc_features *awcc;
+
+/*
+ * Thermal Profile control
+ * - Provides thermal profile control through the Platform Profile API
+ */
+static bool is_wmax_thermal_code(u32 code)
+{
+ if (code & WMAX_SENSOR_ID_MASK)
+ return false;
+
+ if ((code & WMAX_THERMAL_MODE_MASK) >= THERMAL_MODE_LAST)
+ return false;
+
+ if ((code & WMAX_THERMAL_TABLE_MASK) == WMAX_THERMAL_TABLE_BASIC &&
+ (code & WMAX_THERMAL_MODE_MASK) >= THERMAL_MODE_BASIC_QUIET)
+ return true;
+
+ if ((code & WMAX_THERMAL_TABLE_MASK) == WMAX_THERMAL_TABLE_USTT &&
+ (code & WMAX_THERMAL_MODE_MASK) <= THERMAL_MODE_USTT_LOW_POWER)
+ return true;
+
+ return false;
+}
+
+static int wmax_thermal_information(struct wmi_device *wdev, u8 operation,
+ u8 arg, u32 *out_data)
+{
+ struct wmax_u32_args in_args = {
+ .operation = operation,
+ .arg1 = arg,
+ .arg2 = 0,
+ .arg3 = 0,
+ };
+ acpi_status status;
+
+ status = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_INFORMATION,
+ &in_args, sizeof(in_args), out_data);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ if (*out_data == WMAX_FAILURE_CODE)
+ return -EBADRQC;
+
+ return 0;
+}
+
+static int wmax_thermal_control(struct wmi_device *wdev, u8 profile)
+{
+ struct wmax_u32_args in_args = {
+ .operation = WMAX_OPERATION_ACTIVATE_PROFILE,
+ .arg1 = profile,
+ .arg2 = 0,
+ .arg3 = 0,
+ };
+ acpi_status status;
+ u32 out_data;
+
+ status = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_CONTROL,
+ &in_args, sizeof(in_args), &out_data);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ if (out_data == WMAX_FAILURE_CODE)
+ return -EBADRQC;
+
+ return 0;
+}
+
+static int wmax_game_shift_status(struct wmi_device *wdev, u8 operation,
+ u32 *out_data)
+{
+ struct wmax_u32_args in_args = {
+ .operation = operation,
+ .arg1 = 0,
+ .arg2 = 0,
+ .arg3 = 0,
+ };
+ acpi_status status;
+
+ status = alienware_wmi_command(wdev, WMAX_METHOD_GAME_SHIFT_STATUS,
+ &in_args, sizeof(in_args), out_data);
+
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ if (*out_data == WMAX_FAILURE_CODE)
+ return -EOPNOTSUPP;
+
+ return 0;
+}
+
+static int thermal_profile_get(struct platform_profile_handler *pprof,
+ enum platform_profile_option *profile)
+{
+ struct awcc_priv *priv;
+ u32 out_data;
+ int ret;
+
+ priv = container_of(pprof, struct awcc_priv, pp_handler);
+
+ ret = wmax_thermal_information(priv->wdev, WMAX_OPERATION_CURRENT_PROFILE,
+ 0, &out_data);
+
+ if (ret < 0)
+ return ret;
+
+ if (out_data == WMAX_THERMAL_MODE_GMODE) {
+ *profile = PLATFORM_PROFILE_PERFORMANCE;
+ return 0;
+ }
+
+ if (!is_wmax_thermal_code(out_data))
+ return -ENODATA;
+
+ out_data &= WMAX_THERMAL_MODE_MASK;
+ *profile = wmax_mode_to_platform_profile[out_data];
+
+ return 0;
+}
+
+static int thermal_profile_set(struct platform_profile_handler *pprof,
+ enum platform_profile_option profile)
+{
+ struct awcc_priv *priv;
+
+ priv = container_of(pprof, struct awcc_priv, pp_handler);
+
+ if (awcc->gmode) {
+ u32 gmode_status;
+ int ret;
+
+ ret = wmax_game_shift_status(priv->wdev,
+ WMAX_OPERATION_GET_GAME_SHIFT_STATUS,
+ &gmode_status);
+
+ if (ret < 0)
+ return ret;
+
+ if ((profile == PLATFORM_PROFILE_PERFORMANCE && !gmode_status) ||
+ (profile != PLATFORM_PROFILE_PERFORMANCE && gmode_status)) {
+ ret = wmax_game_shift_status(priv->wdev,
+ WMAX_OPERATION_TOGGLE_GAME_SHIFT,
+ &gmode_status);
+
+ if (ret < 0)
+ return ret;
+ }
+ }
+
+ return wmax_thermal_control(priv->wdev,
+ priv->supported_thermal_profiles[profile]);
+}
+
+static int create_thermal_profile(struct wmi_device *wdev)
+{
+ enum platform_profile_option profile;
+ enum wmax_thermal_mode mode;
+ struct awcc_priv *priv;
+ u8 sys_desc[4];
+ u32 first_mode;
+ u32 out_data;
+ int ret;
+
+ priv = dev_get_drvdata(&wdev->dev);
+
+ ret = wmax_thermal_information(wdev, WMAX_OPERATION_SYS_DESCRIPTION,
+ 0, (u32 *) &sys_desc);
+ if (ret < 0)
+ return ret;
+
+ first_mode = sys_desc[0] + sys_desc[1];
+
+ for (u32 i = 0; i < sys_desc[3]; i++) {
+ ret = wmax_thermal_information(wdev, WMAX_OPERATION_LIST_IDS,
+ i + first_mode, &out_data);
+
+ if (ret == -EIO)
+ return ret;
+
+ if (ret == -EBADRQC)
+ break;
+
+ if (!is_wmax_thermal_code(out_data))
+ continue;
+
+ mode = out_data & WMAX_THERMAL_MODE_MASK;
+ profile = wmax_mode_to_platform_profile[mode];
+ priv->supported_thermal_profiles[profile] = out_data;
+
+ set_bit(profile, priv->pp_handler.choices);
+ }
+
+ if (bitmap_empty(priv->pp_handler.choices, PLATFORM_PROFILE_LAST))
+ return -ENODEV;
+
+ if (awcc->gmode) {
+ priv->supported_thermal_profiles[PLATFORM_PROFILE_PERFORMANCE] =
+ WMAX_THERMAL_MODE_GMODE;
+
+ set_bit(PLATFORM_PROFILE_PERFORMANCE, priv->pp_handler.choices);
+ }
+
+ priv->pp_handler.profile_get = thermal_profile_get;
+ priv->pp_handler.profile_set = thermal_profile_set;
+ priv->pp_handler.name = "alienware-wmi";
+ priv->pp_handler.dev = &wdev->dev;
+
+ return platform_profile_register(&priv->pp_handler);
+}
+
+static int alienware_awcc_setup(struct wmi_device *wdev)
+{
+ struct awcc_priv *priv;
+ int ret;
+
+ priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev_set_drvdata(&wdev->dev, priv);
+
+ priv->wdev = wdev;
+
+ ret = create_thermal_profile(wdev);
+ if (ret < 0)
+ return ret;
+
+ return 0;
+}
+
+static void alienware_awcc_exit(struct wmi_device *wdev)
+{
+ struct awcc_priv *priv;
+
+ priv = dev_get_drvdata(&wdev->dev);
+
+ platform_profile_remove(&priv->pp_handler);
+}
+
+/*
+ * WMAX WMI driver
+ */
+static int wmax_wmi_update_led(struct alienfx_priv *priv,
+ struct wmi_device *wdev, u8 location)
+{
+ struct wmax_led_args in_args = {
+ .led_mask = 1 << location,
+ .colors = priv->colors[location],
+ .state = priv->lighting_control_state,
+ };
+ acpi_status status;
+
+ status = alienware_wmi_command(wdev, WMAX_METHOD_ZONE_CONTROL,
+ &in_args, sizeof(in_args), NULL);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ return 0;
+}
+
+static int wmax_wmi_update_brightness(struct alienfx_priv *priv,
+ struct wmi_device *wdev, u8 brightness)
+{
+ struct wmax_brightness_args in_args = {
+ .led_mask = 0xFF,
+ .percentage = brightness,
+ };
+ acpi_status status;
+
+ status = alienware_wmi_command(wdev, WMAX_METHOD_BRIGHTNESS, &in_args,
+ sizeof(in_args), NULL);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ return 0;
+}
+
+static int wmax_wmi_probe(struct wmi_device *wdev, const void *context)
+{
+ struct alienfx_platdata pdata = {
+ .wdev = wdev,
+ .ops = {
+ .upd_led = wmax_wmi_update_led,
+ .upd_brightness = wmax_wmi_update_brightness,
+ },
+ };
+ int ret = 0;
+
+ if (awcc)
+ ret = alienware_awcc_setup(wdev);
+ else
+ ret = alienware_alienfx_setup(&pdata);
+
+ return ret;
+}
+
+static void wmax_wmi_remove(struct wmi_device *wdev)
+{
+ if (awcc)
+ alienware_awcc_exit(wdev);
+ else
+ alienware_alienfx_exit(wdev);
+}
+
+static struct wmi_device_id alienware_wmax_device_id_table[] = {
+ { WMAX_CONTROL_GUID, NULL },
+ { },
+};
+MODULE_DEVICE_TABLE(wmi, alienware_wmax_device_id_table);
+
+static struct wmi_driver alienware_wmax_wmi_driver = {
+ .driver = {
+ .name = "alienware-wmi-wmax",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+ .id_table = alienware_wmax_device_id_table,
+ .probe = wmax_wmi_probe,
+ .remove = wmax_wmi_remove,
+};
+
+int __init alienware_wmax_wmi_init(void)
+{
+ const struct dmi_system_id *id;
+
+ id = dmi_first_match(awcc_dmi_table);
+ if (id)
+ awcc = id->driver_data;
+
+ if (force_platform_profile)
+ awcc = &x_series_features;
+
+ if (force_gmode)
+ awcc = &g_series_features;
+
+ return wmi_driver_register(&alienware_wmax_wmi_driver);
+}
+
+void __exit alienware_wmax_wmi_exit(void)
+{
+ wmi_driver_unregister(&alienware_wmax_wmi_driver);
+}
--
2.47.1
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