1 files changed, 768 insertions, 0 deletions
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..3d3014b5adf0
--- /dev/null
+++ b/drivers/platform/x86/dell/alienware-wmi-wmax.c
@@ -0,0 +1,768 @@
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Alienware WMAX WMI device driver
+ *
+ * Copyright (C) 2014 Dell Inc <Dell.Client.Kernel@dell.com>
+ * Copyright (C) 2025 Kurt Borja <kuurtb@gmail.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/dmi.h>
+#include <linux/moduleparam.h>
+#include <linux/platform_profile.h>
+#include <linux/wmi.h>
+#include "alienware-wmi.h"
+
+#define WMAX_METHOD_HDMI_SOURCE			0x1
+#define WMAX_METHOD_HDMI_STATUS			0x2
+#define WMAX_METHOD_HDMI_CABLE			0x5
+#define WMAX_METHOD_AMPLIFIER_CABLE		0x6
+#define WMAX_METHOD_DEEP_SLEEP_CONTROL		0x0B
+#define WMAX_METHOD_DEEP_SLEEP_STATUS		0x0C
+#define WMAX_METHOD_BRIGHTNESS			0x3
+#define WMAX_METHOD_ZONE_CONTROL		0x4
+#define WMAX_METHOD_THERMAL_INFORMATION		0x14
+#define WMAX_METHOD_THERMAL_CONTROL		0x15
+#define WMAX_METHOD_GAME_SHIFT_STATUS		0x25
+
+#define WMAX_THERMAL_MODE_GMODE			0xAB
+
+#define WMAX_FAILURE_CODE			0xFFFFFFFF
+#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");
+
+struct awcc_quirks {
+	bool pprof;
+	bool gmode;
+};
+
+static struct awcc_quirks g_series_quirks = {
+	.pprof = true,
+	.gmode = true,
+};
+
+static struct awcc_quirks generic_quirks = {
+	.pprof = true,
+	.gmode = false,
+};
+
+static struct awcc_quirks empty_quirks;
+
+static const struct dmi_system_id awcc_dmi_table[] __initconst = {
+	{
+		.ident = "Alienware m16 R1 AMD",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m16 R1 AMD"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
+		.ident = "Alienware m17 R5",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m17 R5 AMD"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
+		.ident = "Alienware m18 R2",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware m18 R2"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
+		.ident = "Alienware x15 R1",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x15 R1"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
+		.ident = "Alienware x17 R2",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+			DMI_MATCH(DMI_PRODUCT_NAME, "Alienware x17 R2"),
+		},
+		.driver_data = &generic_quirks,
+	},
+	{
+		.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_quirks,
+	},
+	{
+		.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_quirks,
+	},
+	{
+		.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_quirks,
+	},
+	{
+		.ident = "Dell Inc. G3 3500",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "G3 3500"),
+		},
+		.driver_data = &g_series_quirks,
+	},
+	{
+		.ident = "Dell Inc. G3 3590",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "G3 3590"),
+		},
+		.driver_data = &g_series_quirks,
+	},
+	{
+		.ident = "Dell Inc. G5 5500",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+			DMI_MATCH(DMI_PRODUCT_NAME, "G5 5500"),
+		},
+		.driver_data = &g_series_quirks,
+	},
+};
+
+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_led_args {
+	u32 led_mask;
+	struct color_platform colors;
+	u8 state;
+} __packed;
+
+struct wmax_brightness_args {
+	u32 led_mask;
+	u32 percentage;
+};
+
+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 device *ppdev;
+	enum wmax_thermal_mode supported_thermal_profiles[PLATFORM_PROFILE_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,
+};
+
+static struct awcc_quirks *awcc;
+
+/*
+ *	The HDMI mux sysfs node indicates the status of the HDMI input mux.
+ *	It can toggle between standard system GPU output and HDMI input.
+ */
+static ssize_t cable_show(struct device *dev, struct device_attribute *attr,
+			  char *buf)
+{
+	struct alienfx_platdata *pdata = dev_get_platdata(dev);
+	struct wmax_basic_args in_args = {
+		.arg = 0,
+	};
+	u32 out_data;
+	int ret;
+
+	ret = alienware_wmi_command(pdata->wdev, WMAX_METHOD_HDMI_CABLE,
+				    &in_args, sizeof(in_args), &out_data);
+	if (!ret) {
+		if (out_data == 0)
+			return sysfs_emit(buf, "[unconnected] connected unknown\n");
+		else if (out_data == 1)
+			return sysfs_emit(buf, "unconnected [connected] unknown\n");
+	}
+
+	pr_err("alienware-wmi: unknown HDMI cable status: %d\n", ret);
+	return sysfs_emit(buf, "unconnected connected [unknown]\n");
+}
+
+static ssize_t source_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct alienfx_platdata *pdata = dev_get_platdata(dev);
+	struct wmax_basic_args in_args = {
+		.arg = 0,
+	};
+	u32 out_data;
+	int ret;
+
+	ret = alienware_wmi_command(pdata->wdev, WMAX_METHOD_HDMI_STATUS,
+				    &in_args, sizeof(in_args), &out_data);
+	if (!ret) {
+		if (out_data == 1)
+			return sysfs_emit(buf, "[input] gpu unknown\n");
+		else if (out_data == 2)
+			return sysfs_emit(buf, "input [gpu] unknown\n");
+	}
+
+	pr_err("alienware-wmi: unknown HDMI source status: %u\n", ret);
+	return sysfs_emit(buf, "input gpu [unknown]\n");
+}
+
+static ssize_t source_store(struct device *dev, struct device_attribute *attr,
+			    const char *buf, size_t count)
+{
+	struct alienfx_platdata *pdata = dev_get_platdata(dev);
+	struct wmax_basic_args args;
+	int ret;
+
+	if (strcmp(buf, "gpu\n") == 0)
+		args.arg = 1;
+	else if (strcmp(buf, "input\n") == 0)
+		args.arg = 2;
+	else
+		args.arg = 3;
+	pr_debug("alienware-wmi: setting hdmi to %d : %s", args.arg, buf);
+
+	ret = alienware_wmi_command(pdata->wdev, WMAX_METHOD_HDMI_SOURCE, &args,
+				    sizeof(args), NULL);
+	if (ret < 0)
+		pr_err("alienware-wmi: HDMI toggle failed: results: %u\n", ret);
+
+	return count;
+}
+
+static DEVICE_ATTR_RO(cable);
+static DEVICE_ATTR_RW(source);
+
+static bool hdmi_group_visible(struct kobject *kobj)
+{
+	return alienware_interface == WMAX && alienfx->hdmi_mux;
+}
+DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(hdmi);
+
+static struct attribute *hdmi_attrs[] = {
+	&dev_attr_cable.attr,
+	&dev_attr_source.attr,
+	NULL,
+};
+
+const struct attribute_group wmax_hdmi_attribute_group = {
+	.name = "hdmi",
+	.is_visible = SYSFS_GROUP_VISIBLE(hdmi),
+	.attrs = hdmi_attrs,
+};
+
+/*
+ * Alienware GFX amplifier support
+ * - Currently supports reading cable status
+ * - Leaving expansion room to possibly support dock/undock events later
+ */
+static ssize_t status_show(struct device *dev, struct device_attribute *attr,
+			   char *buf)
+{
+	struct alienfx_platdata *pdata = dev_get_platdata(dev);
+	struct wmax_basic_args in_args = {
+		.arg = 0,
+	};
+	u32 out_data;
+	int ret;
+
+	ret = alienware_wmi_command(pdata->wdev, WMAX_METHOD_AMPLIFIER_CABLE,
+				    &in_args, sizeof(in_args), &out_data);
+	if (!ret) {
+		if (out_data == 0)
+			return sysfs_emit(buf, "[unconnected] connected unknown\n");
+		else if (out_data == 1)
+			return sysfs_emit(buf, "unconnected [connected] unknown\n");
+	}
+
+	pr_err("alienware-wmi: unknown amplifier cable status: %d\n", ret);
+	return sysfs_emit(buf, "unconnected connected [unknown]\n");
+}
+
+static DEVICE_ATTR_RO(status);
+
+static bool amplifier_group_visible(struct kobject *kobj)
+{
+	return alienware_interface == WMAX && alienfx->amplifier;
+}
+DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(amplifier);
+
+static struct attribute *amplifier_attrs[] = {
+	&dev_attr_status.attr,
+	NULL,
+};
+
+const struct attribute_group wmax_amplifier_attribute_group = {
+	.name = "amplifier",
+	.is_visible = SYSFS_GROUP_VISIBLE(amplifier),
+	.attrs = amplifier_attrs,
+};
+
+/*
+ * Deep Sleep Control support
+ * - Modifies BIOS setting for deep sleep control allowing extra wakeup events
+ */
+static ssize_t deepsleep_show(struct device *dev, struct device_attribute *attr,
+			      char *buf)
+{
+	struct alienfx_platdata *pdata = dev_get_platdata(dev);
+	struct wmax_basic_args in_args = {
+		.arg = 0,
+	};
+	u32 out_data;
+	int ret;
+
+	ret = alienware_wmi_command(pdata->wdev, WMAX_METHOD_DEEP_SLEEP_STATUS,
+				    &in_args, sizeof(in_args), &out_data);
+	if (!ret) {
+		if (out_data == 0)
+			return sysfs_emit(buf, "[disabled] s5 s5_s4\n");
+		else if (out_data == 1)
+			return sysfs_emit(buf, "disabled [s5] s5_s4\n");
+		else if (out_data == 2)
+			return sysfs_emit(buf, "disabled s5 [s5_s4]\n");
+	}
+
+	pr_err("alienware-wmi: unknown deep sleep status: %d\n", ret);
+	return sysfs_emit(buf, "disabled s5 s5_s4 [unknown]\n");
+}
+
+static ssize_t deepsleep_store(struct device *dev, struct device_attribute *attr,
+			       const char *buf, size_t count)
+{
+	struct alienfx_platdata *pdata = dev_get_platdata(dev);
+	struct wmax_basic_args args;
+	int ret;
+
+	if (strcmp(buf, "disabled\n") == 0)
+		args.arg = 0;
+	else if (strcmp(buf, "s5\n") == 0)
+		args.arg = 1;
+	else
+		args.arg = 2;
+	pr_debug("alienware-wmi: setting deep sleep to %d : %s", args.arg, buf);
+
+	ret = alienware_wmi_command(pdata->wdev, WMAX_METHOD_DEEP_SLEEP_CONTROL,
+				    &args, sizeof(args), NULL);
+	if (!ret)
+		pr_err("alienware-wmi: deep sleep control failed: results: %u\n", ret);
+
+	return count;
+}
+
+static DEVICE_ATTR_RW(deepsleep);
+
+static bool deepsleep_group_visible(struct kobject *kobj)
+{
+	return alienware_interface == WMAX && alienfx->deepslp;
+}
+DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(deepsleep);
+
+static struct attribute *deepsleep_attrs[] = {
+	&dev_attr_deepsleep.attr,
+	NULL,
+};
+
+const struct attribute_group wmax_deepsleep_attribute_group = {
+	.name = "deepsleep",
+	.is_visible = SYSFS_GROUP_VISIBLE(deepsleep),
+	.attrs = deepsleep_attrs,
+};
+
+/*
+ * 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,
+	};
+	int ret;
+
+	ret = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_INFORMATION,
+				    &in_args, sizeof(in_args), out_data);
+	if (ret < 0)
+		return ret;
+
+	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,
+	};
+	u32 out_data;
+	int ret;
+
+	ret = alienware_wmi_command(wdev, WMAX_METHOD_THERMAL_CONTROL,
+				    &in_args, sizeof(in_args), &out_data);
+	if (ret)
+		return ret;
+
+	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,
+	};
+	int ret;
+
+	ret = alienware_wmi_command(wdev, WMAX_METHOD_GAME_SHIFT_STATUS,
+				    &in_args, sizeof(in_args), out_data);
+	if (ret < 0)
+		return ret;
+
+	if (*out_data == WMAX_FAILURE_CODE)
+		return -EOPNOTSUPP;
+
+	return 0;
+}
+
+static int thermal_profile_get(struct device *dev,
+			       enum platform_profile_option *profile)
+{
+	struct awcc_priv *priv = dev_get_drvdata(dev);
+	u32 out_data;
+	int ret;
+
+	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 device *dev,
+			       enum platform_profile_option profile)
+{
+	struct awcc_priv *priv = dev_get_drvdata(dev);
+
+	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 thermal_profile_probe(void *drvdata, unsigned long *choices)
+{
+	enum platform_profile_option profile;
+	struct awcc_priv *priv = drvdata;
+	enum wmax_thermal_mode mode;
+	u8 sys_desc[4];
+	u32 first_mode;
+	u32 out_data;
+	int ret;
+
+	ret = wmax_thermal_information(priv->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(priv->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, choices);
+	}
+
+	if (bitmap_empty(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, choices);
+	}
+
+	return 0;
+}
+
+static const struct platform_profile_ops awcc_platform_profile_ops = {
+	.probe = thermal_profile_probe,
+	.profile_get = thermal_profile_get,
+	.profile_set = thermal_profile_set,
+};
+
+static int awcc_platform_profile_init(struct wmi_device *wdev)
+{
+	struct awcc_priv *priv = dev_get_drvdata(&wdev->dev);
+
+	priv->ppdev = devm_platform_profile_register(&wdev->dev, "alienware-wmi",
+						     priv, &awcc_platform_profile_ops);
+
+	return PTR_ERR_OR_ZERO(priv->ppdev);
+}
+
+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;
+
+	priv->wdev = wdev;
+	dev_set_drvdata(&wdev->dev, priv);
+
+	if (awcc->pprof) {
+		ret = awcc_platform_profile_init(wdev);
+		if (ret)
+			return ret;
+	}
+
+	return 0;
+}
+
+/*
+ * 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,
+	};
+
+	return alienware_wmi_command(wdev, WMAX_METHOD_ZONE_CONTROL, &in_args,
+				     sizeof(in_args), NULL);
+}
+
+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,
+	};
+
+	return alienware_wmi_command(wdev, WMAX_METHOD_BRIGHTNESS, &in_args,
+				     sizeof(in_args), NULL);
+}
+
+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;
+
+	if (awcc)
+		ret = alienware_awcc_setup(wdev);
+	else
+		ret = alienware_alienfx_setup(&pdata);
+
+	return ret;
+}
+
+static const 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,
+	.no_singleton = true,
+};
+
+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) {
+		if (!awcc)
+			awcc = &empty_quirks;
+
+		awcc->pprof = true;
+	}
+
+	if (force_gmode) {
+		if (awcc)
+			awcc->gmode = true;
+		else
+			pr_warn("force_gmode requires platform profile support\n");
+	}
+
+	return wmi_driver_register(&alienware_wmax_wmi_driver);
+}
+
+void __exit alienware_wmax_wmi_exit(void)
+{
+	wmi_driver_unregister(&alienware_wmax_wmi_driver);
+}