#
obj-$(CONFIG_ALIENWARE_WMI) += alienware-wmi.o
+alienware-wmi-objs := alienware-wmi-base.o
obj-$(CONFIG_DCDBAS) += dcdbas.o
obj-$(CONFIG_DELL_LAPTOP) += dell-laptop.o
obj-$(CONFIG_DELL_RBTN) += dell-rbtn.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Alienware AlienFX control
+ *
+ * Copyright (C) 2014 Dell Inc <Dell.Client.Kernel@dell.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/acpi.h>
+#include <linux/bitfield.h>
+#include <linux/bits.h>
+#include <linux/cleanup.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>
+
+#define LEGACY_CONTROL_GUID "A90597CE-A997-11DA-B012-B622A1EF5492"
+#define LEGACY_POWER_CONTROL_GUID "A80593CE-A997-11DA-B012-B622A1EF5492"
+#define WMAX_CONTROL_GUID "A70591CE-A997-11DA-B012-B622A1EF5492"
+
+#define WMAX_METHOD_HDMI_SOURCE 0x1
+#define WMAX_METHOD_HDMI_STATUS 0x2
+#define WMAX_METHOD_BRIGHTNESS 0x3
+#define WMAX_METHOD_ZONE_CONTROL 0x4
+#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_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
+
+MODULE_AUTHOR("Mario Limonciello <mario.limonciello@outlook.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 LEGACY_CONTROL_STATES {
+ LEGACY_RUNNING = 1,
+ LEGACY_BOOTING = 0,
+ LEGACY_SUSPEND = 3,
+};
+
+enum WMAX_CONTROL_STATES {
+ WMAX_RUNNING = 0xFF,
+ WMAX_BOOTING = 0,
+ WMAX_SUSPEND = 3,
+};
+
+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 alienfx_quirks {
+ u8 num_zones;
+ bool hdmi_mux;
+ bool amplifier;
+ bool deepslp;
+};
+
+static struct alienfx_quirks *alienfx;
+
+
+static struct alienfx_quirks quirk_inspiron5675 = {
+ .num_zones = 2,
+ .hdmi_mux = false,
+ .amplifier = false,
+ .deepslp = false,
+};
+
+static struct alienfx_quirks quirk_unknown = {
+ .num_zones = 2,
+ .hdmi_mux = false,
+ .amplifier = false,
+ .deepslp = false,
+};
+
+static struct alienfx_quirks quirk_x51_r1_r2 = {
+ .num_zones = 3,
+ .hdmi_mux = false,
+ .amplifier = false,
+ .deepslp = false,
+};
+
+static struct alienfx_quirks quirk_x51_r3 = {
+ .num_zones = 4,
+ .hdmi_mux = false,
+ .amplifier = true,
+ .deepslp = false,
+};
+
+static struct alienfx_quirks quirk_asm100 = {
+ .num_zones = 2,
+ .hdmi_mux = true,
+ .amplifier = false,
+ .deepslp = false,
+};
+
+static struct alienfx_quirks quirk_asm200 = {
+ .num_zones = 2,
+ .hdmi_mux = true,
+ .amplifier = false,
+ .deepslp = true,
+};
+
+static struct alienfx_quirks quirk_asm201 = {
+ .num_zones = 2,
+ .hdmi_mux = true,
+ .amplifier = true,
+ .deepslp = true,
+};
+
+static int __init dmi_matched(const struct dmi_system_id *dmi)
+{
+ alienfx = dmi->driver_data;
+ return 1;
+}
+
+static const struct dmi_system_id alienware_quirks[] __initconst = {
+ {
+ .callback = dmi_matched,
+ .ident = "Alienware ASM100",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ASM100"),
+ },
+ .driver_data = &quirk_asm100,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Alienware ASM200",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ASM200"),
+ },
+ .driver_data = &quirk_asm200,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Alienware ASM201",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "ASM201"),
+ },
+ .driver_data = &quirk_asm201,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Alienware X51 R1",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51"),
+ },
+ .driver_data = &quirk_x51_r1_r2,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Alienware X51 R2",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51 R2"),
+ },
+ .driver_data = &quirk_x51_r1_r2,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Alienware X51 R3",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51 R3"),
+ },
+ .driver_data = &quirk_x51_r3,
+ },
+ {
+ .callback = dmi_matched,
+ .ident = "Dell Inc. Inspiron 5675",
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5675"),
+ },
+ .driver_data = &quirk_inspiron5675,
+ },
+ {}
+};
+
+struct color_platform {
+ u8 blue;
+ u8 green;
+ u8 red;
+} __packed;
+
+struct wmax_brightness_args {
+ u32 led_mask;
+ u32 percentage;
+};
+
+struct wmax_basic_args {
+ u8 arg;
+};
+
+struct legacy_led_args {
+ struct color_platform colors;
+ u8 brightness;
+ u8 state;
+} __packed;
+
+struct wmax_led_args {
+ u32 led_mask;
+ struct color_platform colors;
+ u8 state;
+} __packed;
+
+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];
+};
+
+struct alienfx_priv {
+ struct platform_device *pdev;
+ struct led_classdev global_led;
+ struct color_platform colors[4];
+ u8 global_brightness;
+ u8 lighting_control_state;
+};
+
+struct alienfx_ops {
+ int (*upd_led)(struct alienfx_priv *priv, struct wmi_device *wdev,
+ u8 location);
+ int (*upd_brightness)(struct alienfx_priv *priv, struct wmi_device *wdev,
+ u8 brightness);
+};
+
+struct alienfx_platdata {
+ struct wmi_device *wdev;
+ struct alienfx_ops ops;
+};
+
+static u8 interface;
+
+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,
+ },
+};
+
+static struct awcc_quirks *awcc;
+
+static int alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
+ void *in_args, size_t in_size, u32 *out_data)
+{
+ struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
+ struct acpi_buffer in = {in_size, in_args};
+ acpi_status ret;
+
+ ret = wmidev_evaluate_method(wdev, 0, method_id, &in, out_data ? &out : NULL);
+ if (ACPI_FAILURE(ret))
+ return -EIO;
+
+ union acpi_object *obj __free(kfree) = out.pointer;
+
+ if (out_data) {
+ if (obj && obj->type == ACPI_TYPE_INTEGER)
+ *out_data = (u32)obj->integer.value;
+ else
+ return -ENOMSG;
+ }
+
+ return 0;
+}
+
+/*
+ * Helpers used for zone control
+ */
+static int parse_rgb(const char *buf, struct color_platform *colors)
+{
+ long unsigned int rgb;
+ int ret;
+ union color_union {
+ struct color_platform cp;
+ int package;
+ } repackager;
+
+ ret = kstrtoul(buf, 16, &rgb);
+ if (ret)
+ return ret;
+
+ /* RGB triplet notation is 24-bit hexadecimal */
+ if (rgb > 0xFFFFFF)
+ return -EINVAL;
+
+ repackager.package = rgb & 0x0f0f0f0f;
+ pr_debug("alienware-wmi: r: %d g:%d b: %d\n",
+ repackager.cp.red, repackager.cp.green, repackager.cp.blue);
+ *colors = repackager.cp;
+ return 0;
+}
+
+/*
+ * Individual RGB zone control
+ */
+static ssize_t zone_show(struct device *dev, struct device_attribute *attr,
+ char *buf, u8 location)
+{
+ struct alienfx_priv *priv = dev_get_drvdata(dev);
+ struct color_platform *colors = &priv->colors[location];
+
+ return sprintf(buf, "red: %d, green: %d, blue: %d\n",
+ colors->red, colors->green, colors->blue);
+
+}
+
+static ssize_t zone_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count, u8 location)
+{
+ struct alienfx_priv *priv = dev_get_drvdata(dev);
+ struct color_platform *colors = &priv->colors[location];
+ struct alienfx_platdata *pdata = dev_get_platdata(dev);
+ int ret;
+
+ ret = parse_rgb(buf, colors);
+ if (ret)
+ return ret;
+
+ ret = pdata->ops.upd_led(priv, pdata->wdev, location);
+
+ return ret ? ret : count;
+}
+
+static ssize_t zone00_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return zone_show(dev, attr, buf, 0);
+}
+
+static ssize_t zone00_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ return zone_store(dev, attr, buf, count, 0);
+}
+
+static DEVICE_ATTR_RW(zone00);
+
+static ssize_t zone01_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return zone_show(dev, attr, buf, 1);
+}
+
+static ssize_t zone01_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ return zone_store(dev, attr, buf, count, 1);
+}
+
+static DEVICE_ATTR_RW(zone01);
+
+static ssize_t zone02_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return zone_show(dev, attr, buf, 2);
+}
+
+static ssize_t zone02_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ return zone_store(dev, attr, buf, count, 2);
+}
+
+static DEVICE_ATTR_RW(zone02);
+
+static ssize_t zone03_show(struct device *dev, struct device_attribute *attr,
+ char *buf)
+{
+ return zone_show(dev, attr, buf, 3);
+}
+
+static ssize_t zone03_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ return zone_store(dev, attr, buf, count, 3);
+}
+
+static DEVICE_ATTR_RW(zone03);
+
+/*
+ * Lighting control state device attribute (Global)
+ */
+static ssize_t lighting_control_state_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct alienfx_priv *priv = dev_get_drvdata(dev);
+
+ if (priv->lighting_control_state == LEGACY_BOOTING)
+ return sysfs_emit(buf, "[booting] running suspend\n");
+ else if (priv->lighting_control_state == LEGACY_SUSPEND)
+ return sysfs_emit(buf, "booting running [suspend]\n");
+
+ return sysfs_emit(buf, "booting [running] suspend\n");
+}
+
+static ssize_t lighting_control_state_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct alienfx_priv *priv = dev_get_drvdata(dev);
+ u8 val;
+
+ if (strcmp(buf, "booting\n") == 0)
+ val = LEGACY_BOOTING;
+ else if (strcmp(buf, "suspend\n") == 0)
+ val = LEGACY_SUSPEND;
+ else if (interface == LEGACY)
+ val = LEGACY_RUNNING;
+ else
+ val = WMAX_RUNNING;
+
+ priv->lighting_control_state = val;
+ pr_debug("alienware-wmi: updated control state to %d\n",
+ priv->lighting_control_state);
+
+ return count;
+}
+
+static DEVICE_ATTR_RW(lighting_control_state);
+
+static umode_t zone_attr_visible(struct kobject *kobj,
+ struct attribute *attr, int n)
+{
+ if (n < alienfx->num_zones + 1)
+ return attr->mode;
+
+ return 0;
+}
+
+static bool zone_group_visible(struct kobject *kobj)
+{
+ return alienfx->num_zones > 0;
+}
+DEFINE_SYSFS_GROUP_VISIBLE(zone);
+
+static struct attribute *zone_attrs[] = {
+ &dev_attr_lighting_control_state.attr,
+ &dev_attr_zone00.attr,
+ &dev_attr_zone01.attr,
+ &dev_attr_zone02.attr,
+ &dev_attr_zone03.attr,
+ NULL
+};
+
+static struct attribute_group zone_attribute_group = {
+ .name = "rgb_zones",
+ .is_visible = SYSFS_GROUP_VISIBLE(zone),
+ .attrs = zone_attrs,
+};
+
+/*
+ * LED Brightness (Global)
+ */
+static void global_led_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct alienfx_priv *priv = container_of(led_cdev, struct alienfx_priv,
+ global_led);
+ struct alienfx_platdata *pdata = dev_get_platdata(&priv->pdev->dev);
+ int ret;
+
+ priv->global_brightness = brightness;
+
+ ret = pdata->ops.upd_brightness(priv, pdata->wdev, brightness);
+ if (ret)
+ pr_err("LED brightness update failed\n");
+}
+
+static enum led_brightness global_led_get(struct led_classdev *led_cdev)
+{
+ struct alienfx_priv *priv = container_of(led_cdev, struct alienfx_priv,
+ global_led);
+
+ return priv->global_brightness;
+}
+
+/*
+ * 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 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,
+};
+
+static const struct attribute_group 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 interface == WMAX && alienfx->amplifier;
+}
+DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(amplifier);
+
+static struct attribute *amplifier_attrs[] = {
+ &dev_attr_status.attr,
+ NULL,
+};
+
+static const struct attribute_group 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 interface == WMAX && alienfx->deepslp;
+}
+DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(deepsleep);
+
+static struct attribute *deepsleep_attrs[] = {
+ &dev_attr_deepsleep.attr,
+ NULL,
+};
+
+static const struct attribute_group 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
+ */
+#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,
+ };
+ 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;
+}
+
+/*
+ * Platform Driver
+ */
+static int alienfx_probe(struct platform_device *pdev)
+{
+ struct alienfx_priv *priv;
+
+ priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ if (interface == WMAX)
+ priv->lighting_control_state = WMAX_RUNNING;
+ else
+ priv->lighting_control_state = LEGACY_RUNNING;
+
+ priv->pdev = pdev;
+ priv->global_led.name = "alienware::global_brightness";
+ priv->global_led.brightness_set = global_led_set;
+ priv->global_led.brightness_get = global_led_get;
+ priv->global_led.max_brightness = 0x0F;
+ priv->global_brightness = priv->global_led.max_brightness;
+ platform_set_drvdata(pdev, priv);
+
+ return devm_led_classdev_register(&pdev->dev, &priv->global_led);
+}
+
+static const struct attribute_group *alienfx_groups[] = {
+ &zone_attribute_group,
+ &hdmi_attribute_group,
+ &lifier_attribute_group,
+ &deepsleep_attribute_group,
+ NULL
+};
+
+static struct platform_driver platform_driver = {
+ .driver = {
+ .name = "alienware-wmi",
+ .dev_groups = alienfx_groups,
+ },
+ .probe = alienfx_probe,
+};
+
+static void alienware_alienfx_remove(void *data)
+{
+ struct platform_device *pdev = data;
+
+ platform_device_unregister(pdev);
+}
+
+static int alienware_alienfx_setup(struct alienfx_platdata *pdata)
+{
+ struct device *dev = &pdata->wdev->dev;
+ struct platform_device *pdev;
+ int ret;
+
+ pdev = platform_device_register_data(NULL, "alienware-wmi",
+ PLATFORM_DEVID_NONE, pdata,
+ sizeof(*pdata));
+ if (IS_ERR(pdev))
+ return PTR_ERR(pdev);
+
+ dev_set_drvdata(dev, pdev);
+ ret = devm_add_action_or_reset(dev, alienware_alienfx_remove, pdev);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+/*
+ * 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 = {
+ .colors = priv->colors[location],
+ .brightness = priv->global_brightness,
+ .state = 0,
+ };
+ struct acpi_buffer input;
+ acpi_status status;
+
+ if (legacy_args.state != LEGACY_RUNNING) {
+ legacy_args.state = priv->lighting_control_state;
+
+ input.length = sizeof(legacy_args);
+ input.pointer = &legacy_args;
+
+ status = wmi_evaluate_method(LEGACY_POWER_CONTROL_GUID, 0,
+ location + 1, &input, NULL);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ return 0;
+ }
+
+ return alienware_wmi_command(wdev, location + 1, &legacy_args,
+ sizeof(legacy_args), NULL);
+}
+
+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 const 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,
+ .no_singleton = true,
+};
+
+static int __init alienware_legacy_wmi_init(void)
+{
+ return wmi_driver_register(&alienware_legacy_wmi_driver);
+}
+
+static 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,
+ };
+
+ 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,
+};
+
+static 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);
+}
+
+static void __exit alienware_wmax_wmi_exit(void)
+{
+ wmi_driver_unregister(&alienware_wmax_wmi_driver);
+}
+
+static int __init alienware_wmi_init(void)
+{
+ int ret;
+
+ dmi_check_system(alienware_quirks);
+ if (!alienfx)
+ alienfx = &quirk_unknown;
+
+ ret = platform_driver_register(&platform_driver);
+ if (ret < 0)
+ return ret;
+
+ if (wmi_has_guid(WMAX_CONTROL_GUID)) {
+ interface = WMAX;
+ ret = alienware_wmax_wmi_init();
+ } else {
+ interface = LEGACY;
+ ret = alienware_legacy_wmi_init();
+ }
+
+ if (ret < 0)
+ platform_driver_unregister(&platform_driver);
+
+ return ret;
+}
+
+module_init(alienware_wmi_init);
+
+static void __exit alienware_wmi_exit(void)
+{
+ if (interface == WMAX)
+ alienware_wmax_wmi_exit();
+ else
+ alienware_legacy_wmi_exit();
+
+ platform_driver_unregister(&platform_driver);
+}
+
+module_exit(alienware_wmi_exit);
+++ /dev/null
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Alienware AlienFX control
- *
- * Copyright (C) 2014 Dell Inc <Dell.Client.Kernel@dell.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/acpi.h>
-#include <linux/bitfield.h>
-#include <linux/bits.h>
-#include <linux/cleanup.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>
-
-#define LEGACY_CONTROL_GUID "A90597CE-A997-11DA-B012-B622A1EF5492"
-#define LEGACY_POWER_CONTROL_GUID "A80593CE-A997-11DA-B012-B622A1EF5492"
-#define WMAX_CONTROL_GUID "A70591CE-A997-11DA-B012-B622A1EF5492"
-
-#define WMAX_METHOD_HDMI_SOURCE 0x1
-#define WMAX_METHOD_HDMI_STATUS 0x2
-#define WMAX_METHOD_BRIGHTNESS 0x3
-#define WMAX_METHOD_ZONE_CONTROL 0x4
-#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_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
-
-MODULE_AUTHOR("Mario Limonciello <mario.limonciello@outlook.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 LEGACY_CONTROL_STATES {
- LEGACY_RUNNING = 1,
- LEGACY_BOOTING = 0,
- LEGACY_SUSPEND = 3,
-};
-
-enum WMAX_CONTROL_STATES {
- WMAX_RUNNING = 0xFF,
- WMAX_BOOTING = 0,
- WMAX_SUSPEND = 3,
-};
-
-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 alienfx_quirks {
- u8 num_zones;
- bool hdmi_mux;
- bool amplifier;
- bool deepslp;
-};
-
-static struct alienfx_quirks *alienfx;
-
-
-static struct alienfx_quirks quirk_inspiron5675 = {
- .num_zones = 2,
- .hdmi_mux = false,
- .amplifier = false,
- .deepslp = false,
-};
-
-static struct alienfx_quirks quirk_unknown = {
- .num_zones = 2,
- .hdmi_mux = false,
- .amplifier = false,
- .deepslp = false,
-};
-
-static struct alienfx_quirks quirk_x51_r1_r2 = {
- .num_zones = 3,
- .hdmi_mux = false,
- .amplifier = false,
- .deepslp = false,
-};
-
-static struct alienfx_quirks quirk_x51_r3 = {
- .num_zones = 4,
- .hdmi_mux = false,
- .amplifier = true,
- .deepslp = false,
-};
-
-static struct alienfx_quirks quirk_asm100 = {
- .num_zones = 2,
- .hdmi_mux = true,
- .amplifier = false,
- .deepslp = false,
-};
-
-static struct alienfx_quirks quirk_asm200 = {
- .num_zones = 2,
- .hdmi_mux = true,
- .amplifier = false,
- .deepslp = true,
-};
-
-static struct alienfx_quirks quirk_asm201 = {
- .num_zones = 2,
- .hdmi_mux = true,
- .amplifier = true,
- .deepslp = true,
-};
-
-static int __init dmi_matched(const struct dmi_system_id *dmi)
-{
- alienfx = dmi->driver_data;
- return 1;
-}
-
-static const struct dmi_system_id alienware_quirks[] __initconst = {
- {
- .callback = dmi_matched,
- .ident = "Alienware ASM100",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ASM100"),
- },
- .driver_data = &quirk_asm100,
- },
- {
- .callback = dmi_matched,
- .ident = "Alienware ASM200",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ASM200"),
- },
- .driver_data = &quirk_asm200,
- },
- {
- .callback = dmi_matched,
- .ident = "Alienware ASM201",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "ASM201"),
- },
- .driver_data = &quirk_asm201,
- },
- {
- .callback = dmi_matched,
- .ident = "Alienware X51 R1",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51"),
- },
- .driver_data = &quirk_x51_r1_r2,
- },
- {
- .callback = dmi_matched,
- .ident = "Alienware X51 R2",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51 R2"),
- },
- .driver_data = &quirk_x51_r1_r2,
- },
- {
- .callback = dmi_matched,
- .ident = "Alienware X51 R3",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Alienware"),
- DMI_MATCH(DMI_PRODUCT_NAME, "Alienware X51 R3"),
- },
- .driver_data = &quirk_x51_r3,
- },
- {
- .callback = dmi_matched,
- .ident = "Dell Inc. Inspiron 5675",
- .matches = {
- DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
- DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5675"),
- },
- .driver_data = &quirk_inspiron5675,
- },
- {}
-};
-
-struct color_platform {
- u8 blue;
- u8 green;
- u8 red;
-} __packed;
-
-struct wmax_brightness_args {
- u32 led_mask;
- u32 percentage;
-};
-
-struct wmax_basic_args {
- u8 arg;
-};
-
-struct legacy_led_args {
- struct color_platform colors;
- u8 brightness;
- u8 state;
-} __packed;
-
-struct wmax_led_args {
- u32 led_mask;
- struct color_platform colors;
- u8 state;
-} __packed;
-
-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];
-};
-
-struct alienfx_priv {
- struct platform_device *pdev;
- struct led_classdev global_led;
- struct color_platform colors[4];
- u8 global_brightness;
- u8 lighting_control_state;
-};
-
-struct alienfx_ops {
- int (*upd_led)(struct alienfx_priv *priv, struct wmi_device *wdev,
- u8 location);
- int (*upd_brightness)(struct alienfx_priv *priv, struct wmi_device *wdev,
- u8 brightness);
-};
-
-struct alienfx_platdata {
- struct wmi_device *wdev;
- struct alienfx_ops ops;
-};
-
-static u8 interface;
-
-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,
- },
-};
-
-static struct awcc_quirks *awcc;
-
-static int alienware_wmi_command(struct wmi_device *wdev, u32 method_id,
- void *in_args, size_t in_size, u32 *out_data)
-{
- struct acpi_buffer out = {ACPI_ALLOCATE_BUFFER, NULL};
- struct acpi_buffer in = {in_size, in_args};
- acpi_status ret;
-
- ret = wmidev_evaluate_method(wdev, 0, method_id, &in, out_data ? &out : NULL);
- if (ACPI_FAILURE(ret))
- return -EIO;
-
- union acpi_object *obj __free(kfree) = out.pointer;
-
- if (out_data) {
- if (obj && obj->type == ACPI_TYPE_INTEGER)
- *out_data = (u32)obj->integer.value;
- else
- return -ENOMSG;
- }
-
- return 0;
-}
-
-/*
- * Helpers used for zone control
- */
-static int parse_rgb(const char *buf, struct color_platform *colors)
-{
- long unsigned int rgb;
- int ret;
- union color_union {
- struct color_platform cp;
- int package;
- } repackager;
-
- ret = kstrtoul(buf, 16, &rgb);
- if (ret)
- return ret;
-
- /* RGB triplet notation is 24-bit hexadecimal */
- if (rgb > 0xFFFFFF)
- return -EINVAL;
-
- repackager.package = rgb & 0x0f0f0f0f;
- pr_debug("alienware-wmi: r: %d g:%d b: %d\n",
- repackager.cp.red, repackager.cp.green, repackager.cp.blue);
- *colors = repackager.cp;
- return 0;
-}
-
-/*
- * Individual RGB zone control
- */
-static ssize_t zone_show(struct device *dev, struct device_attribute *attr,
- char *buf, u8 location)
-{
- struct alienfx_priv *priv = dev_get_drvdata(dev);
- struct color_platform *colors = &priv->colors[location];
-
- return sprintf(buf, "red: %d, green: %d, blue: %d\n",
- colors->red, colors->green, colors->blue);
-
-}
-
-static ssize_t zone_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count, u8 location)
-{
- struct alienfx_priv *priv = dev_get_drvdata(dev);
- struct color_platform *colors = &priv->colors[location];
- struct alienfx_platdata *pdata = dev_get_platdata(dev);
- int ret;
-
- ret = parse_rgb(buf, colors);
- if (ret)
- return ret;
-
- ret = pdata->ops.upd_led(priv, pdata->wdev, location);
-
- return ret ? ret : count;
-}
-
-static ssize_t zone00_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- return zone_show(dev, attr, buf, 0);
-}
-
-static ssize_t zone00_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return zone_store(dev, attr, buf, count, 0);
-}
-
-static DEVICE_ATTR_RW(zone00);
-
-static ssize_t zone01_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- return zone_show(dev, attr, buf, 1);
-}
-
-static ssize_t zone01_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return zone_store(dev, attr, buf, count, 1);
-}
-
-static DEVICE_ATTR_RW(zone01);
-
-static ssize_t zone02_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- return zone_show(dev, attr, buf, 2);
-}
-
-static ssize_t zone02_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return zone_store(dev, attr, buf, count, 2);
-}
-
-static DEVICE_ATTR_RW(zone02);
-
-static ssize_t zone03_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- return zone_show(dev, attr, buf, 3);
-}
-
-static ssize_t zone03_store(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- return zone_store(dev, attr, buf, count, 3);
-}
-
-static DEVICE_ATTR_RW(zone03);
-
-/*
- * Lighting control state device attribute (Global)
- */
-static ssize_t lighting_control_state_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
-{
- struct alienfx_priv *priv = dev_get_drvdata(dev);
-
- if (priv->lighting_control_state == LEGACY_BOOTING)
- return sysfs_emit(buf, "[booting] running suspend\n");
- else if (priv->lighting_control_state == LEGACY_SUSPEND)
- return sysfs_emit(buf, "booting running [suspend]\n");
-
- return sysfs_emit(buf, "booting [running] suspend\n");
-}
-
-static ssize_t lighting_control_state_store(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct alienfx_priv *priv = dev_get_drvdata(dev);
- u8 val;
-
- if (strcmp(buf, "booting\n") == 0)
- val = LEGACY_BOOTING;
- else if (strcmp(buf, "suspend\n") == 0)
- val = LEGACY_SUSPEND;
- else if (interface == LEGACY)
- val = LEGACY_RUNNING;
- else
- val = WMAX_RUNNING;
-
- priv->lighting_control_state = val;
- pr_debug("alienware-wmi: updated control state to %d\n",
- priv->lighting_control_state);
-
- return count;
-}
-
-static DEVICE_ATTR_RW(lighting_control_state);
-
-static umode_t zone_attr_visible(struct kobject *kobj,
- struct attribute *attr, int n)
-{
- if (n < alienfx->num_zones + 1)
- return attr->mode;
-
- return 0;
-}
-
-static bool zone_group_visible(struct kobject *kobj)
-{
- return alienfx->num_zones > 0;
-}
-DEFINE_SYSFS_GROUP_VISIBLE(zone);
-
-static struct attribute *zone_attrs[] = {
- &dev_attr_lighting_control_state.attr,
- &dev_attr_zone00.attr,
- &dev_attr_zone01.attr,
- &dev_attr_zone02.attr,
- &dev_attr_zone03.attr,
- NULL
-};
-
-static struct attribute_group zone_attribute_group = {
- .name = "rgb_zones",
- .is_visible = SYSFS_GROUP_VISIBLE(zone),
- .attrs = zone_attrs,
-};
-
-/*
- * LED Brightness (Global)
- */
-static void global_led_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- struct alienfx_priv *priv = container_of(led_cdev, struct alienfx_priv,
- global_led);
- struct alienfx_platdata *pdata = dev_get_platdata(&priv->pdev->dev);
- int ret;
-
- priv->global_brightness = brightness;
-
- ret = pdata->ops.upd_brightness(priv, pdata->wdev, brightness);
- if (ret)
- pr_err("LED brightness update failed\n");
-}
-
-static enum led_brightness global_led_get(struct led_classdev *led_cdev)
-{
- struct alienfx_priv *priv = container_of(led_cdev, struct alienfx_priv,
- global_led);
-
- return priv->global_brightness;
-}
-
-/*
- * 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 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,
-};
-
-static const struct attribute_group 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 interface == WMAX && alienfx->amplifier;
-}
-DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(amplifier);
-
-static struct attribute *amplifier_attrs[] = {
- &dev_attr_status.attr,
- NULL,
-};
-
-static const struct attribute_group 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 interface == WMAX && alienfx->deepslp;
-}
-DEFINE_SIMPLE_SYSFS_GROUP_VISIBLE(deepsleep);
-
-static struct attribute *deepsleep_attrs[] = {
- &dev_attr_deepsleep.attr,
- NULL,
-};
-
-static const struct attribute_group 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
- */
-#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,
- };
- 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;
-}
-
-/*
- * Platform Driver
- */
-static int alienfx_probe(struct platform_device *pdev)
-{
- struct alienfx_priv *priv;
-
- priv = devm_kzalloc(&pdev->dev, sizeof(*priv), GFP_KERNEL);
- if (!priv)
- return -ENOMEM;
-
- if (interface == WMAX)
- priv->lighting_control_state = WMAX_RUNNING;
- else
- priv->lighting_control_state = LEGACY_RUNNING;
-
- priv->pdev = pdev;
- priv->global_led.name = "alienware::global_brightness";
- priv->global_led.brightness_set = global_led_set;
- priv->global_led.brightness_get = global_led_get;
- priv->global_led.max_brightness = 0x0F;
- priv->global_brightness = priv->global_led.max_brightness;
- platform_set_drvdata(pdev, priv);
-
- return devm_led_classdev_register(&pdev->dev, &priv->global_led);
-}
-
-static const struct attribute_group *alienfx_groups[] = {
- &zone_attribute_group,
- &hdmi_attribute_group,
- &lifier_attribute_group,
- &deepsleep_attribute_group,
- NULL
-};
-
-static struct platform_driver platform_driver = {
- .driver = {
- .name = "alienware-wmi",
- .dev_groups = alienfx_groups,
- },
- .probe = alienfx_probe,
-};
-
-static void alienware_alienfx_remove(void *data)
-{
- struct platform_device *pdev = data;
-
- platform_device_unregister(pdev);
-}
-
-static int alienware_alienfx_setup(struct alienfx_platdata *pdata)
-{
- struct device *dev = &pdata->wdev->dev;
- struct platform_device *pdev;
- int ret;
-
- pdev = platform_device_register_data(NULL, "alienware-wmi",
- PLATFORM_DEVID_NONE, pdata,
- sizeof(*pdata));
- if (IS_ERR(pdev))
- return PTR_ERR(pdev);
-
- dev_set_drvdata(dev, pdev);
- ret = devm_add_action_or_reset(dev, alienware_alienfx_remove, pdev);
- if (ret)
- return ret;
-
- return 0;
-}
-
-/*
- * 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 = {
- .colors = priv->colors[location],
- .brightness = priv->global_brightness,
- .state = 0,
- };
- struct acpi_buffer input;
- acpi_status status;
-
- if (legacy_args.state != LEGACY_RUNNING) {
- legacy_args.state = priv->lighting_control_state;
-
- input.length = sizeof(legacy_args);
- input.pointer = &legacy_args;
-
- status = wmi_evaluate_method(LEGACY_POWER_CONTROL_GUID, 0,
- location + 1, &input, NULL);
- if (ACPI_FAILURE(status))
- return -EIO;
-
- return 0;
- }
-
- return alienware_wmi_command(wdev, location + 1, &legacy_args,
- sizeof(legacy_args), NULL);
-}
-
-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 const 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,
- .no_singleton = true,
-};
-
-static int __init alienware_legacy_wmi_init(void)
-{
- return wmi_driver_register(&alienware_legacy_wmi_driver);
-}
-
-static 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,
- };
-
- 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,
-};
-
-static 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);
-}
-
-static void __exit alienware_wmax_wmi_exit(void)
-{
- wmi_driver_unregister(&alienware_wmax_wmi_driver);
-}
-
-static int __init alienware_wmi_init(void)
-{
- int ret;
-
- dmi_check_system(alienware_quirks);
- if (!alienfx)
- alienfx = &quirk_unknown;
-
- ret = platform_driver_register(&platform_driver);
- if (ret < 0)
- return ret;
-
- if (wmi_has_guid(WMAX_CONTROL_GUID)) {
- interface = WMAX;
- ret = alienware_wmax_wmi_init();
- } else {
- interface = LEGACY;
- ret = alienware_legacy_wmi_init();
- }
-
- if (ret < 0)
- platform_driver_unregister(&platform_driver);
-
- return ret;
-}
-
-module_init(alienware_wmi_init);
-
-static void __exit alienware_wmi_exit(void)
-{
- if (interface == WMAX)
- alienware_wmax_wmi_exit();
- else
- alienware_legacy_wmi_exit();
-
- platform_driver_unregister(&platform_driver);
-}
-
-module_exit(alienware_wmi_exit);
projects / linux-block.git / commitdiff