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authorMario Limonciello <mario.limonciello@dell.com>2021-02-03 13:58:32 -0600
committerHans de Goede <hdegoede@redhat.com>2021-02-04 13:23:55 +0100
commitf1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28 (patch)
tree190a1ddcfe4f891728eef72038f470bd6b0f91ee /drivers/platform/x86/alienware-wmi.c
parentcb3acb1564b0637beb446e6a9cf40cb40e147e1f (diff)
downloadlwn-f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28.tar.gz
lwn-f1e1ea516721d1ea0b21327ff9e6cb2c2bb86e28.zip
platform/x86: Move all dell drivers to their own subdirectory
A user without a Dell system doesn't need to pick any of these drivers. Users with a Dell system can enable this submenu and all drivers behind it will be enabled. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Link: https://lore.kernel.org/r/20210203195832.2950605-1-mario.limonciello@dell.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/alienware-wmi.c')
-rw-r--r--drivers/platform/x86/alienware-wmi.c853
1 files changed, 0 insertions, 853 deletions
diff --git a/drivers/platform/x86/alienware-wmi.c b/drivers/platform/x86/alienware-wmi.c
deleted file mode 100644
index 5bb2859c8285..000000000000
--- a/drivers/platform/x86/alienware-wmi.c
+++ /dev/null
@@ -1,853 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0-or-later
-/*
- * Alienware AlienFX control
- *
- * Copyright (C) 2014 Dell Inc <mario_limonciello@dell.com>
- */
-
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-
-#include <linux/acpi.h>
-#include <linux/module.h>
-#include <linux/platform_device.h>
-#include <linux/dmi.h>
-#include <linux/leds.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
-
-MODULE_AUTHOR("Mario Limonciello <mario_limonciello@dell.com>");
-MODULE_DESCRIPTION("Alienware special feature control");
-MODULE_LICENSE("GPL");
-MODULE_ALIAS("wmi:" LEGACY_CONTROL_GUID);
-MODULE_ALIAS("wmi:" WMAX_CONTROL_GUID);
-
-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,
-};
-
-struct quirk_entry {
- u8 num_zones;
- u8 hdmi_mux;
- u8 amplifier;
- u8 deepslp;
-};
-
-static struct quirk_entry *quirks;
-
-
-static struct quirk_entry quirk_inspiron5675 = {
- .num_zones = 2,
- .hdmi_mux = 0,
- .amplifier = 0,
- .deepslp = 0,
-};
-
-static struct quirk_entry quirk_unknown = {
- .num_zones = 2,
- .hdmi_mux = 0,
- .amplifier = 0,
- .deepslp = 0,
-};
-
-static struct quirk_entry quirk_x51_r1_r2 = {
- .num_zones = 3,
- .hdmi_mux = 0,
- .amplifier = 0,
- .deepslp = 0,
-};
-
-static struct quirk_entry quirk_x51_r3 = {
- .num_zones = 4,
- .hdmi_mux = 0,
- .amplifier = 1,
- .deepslp = 0,
-};
-
-static struct quirk_entry quirk_asm100 = {
- .num_zones = 2,
- .hdmi_mux = 1,
- .amplifier = 0,
- .deepslp = 0,
-};
-
-static struct quirk_entry quirk_asm200 = {
- .num_zones = 2,
- .hdmi_mux = 1,
- .amplifier = 0,
- .deepslp = 1,
-};
-
-static struct quirk_entry quirk_asm201 = {
- .num_zones = 2,
- .hdmi_mux = 1,
- .amplifier = 1,
- .deepslp = 1,
-};
-
-static int __init dmi_matched(const struct dmi_system_id *dmi)
-{
- quirks = dmi->driver_data;
- return 1;
-}
-
-static const struct dmi_system_id alienware_quirks[] __initconst = {
- {
- .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 = "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 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 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 = "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 platform_zone {
- u8 location;
- struct device_attribute *attr;
- struct color_platform colors;
-};
-
-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;
-
-static struct platform_device *platform_device;
-static struct device_attribute *zone_dev_attrs;
-static struct attribute **zone_attrs;
-static struct platform_zone *zone_data;
-
-static struct platform_driver platform_driver = {
- .driver = {
- .name = "alienware-wmi",
- }
-};
-
-static struct attribute_group zone_attribute_group = {
- .name = "rgb_zones",
-};
-
-static u8 interface;
-static u8 lighting_control_state;
-static u8 global_brightness;
-
-/*
- * Helpers used for zone control
- */
-static int parse_rgb(const char *buf, struct platform_zone *zone)
-{
- 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);
- zone->colors = repackager.cp;
- return 0;
-}
-
-static struct platform_zone *match_zone(struct device_attribute *attr)
-{
- u8 zone;
-
- for (zone = 0; zone < quirks->num_zones; zone++) {
- if ((struct device_attribute *)zone_data[zone].attr == attr) {
- pr_debug("alienware-wmi: matched zone location: %d\n",
- zone_data[zone].location);
- return &zone_data[zone];
- }
- }
- return NULL;
-}
-
-/*
- * Individual RGB zone control
- */
-static int alienware_update_led(struct platform_zone *zone)
-{
- int method_id;
- acpi_status status;
- char *guid;
- struct acpi_buffer input;
- struct legacy_led_args legacy_args;
- struct wmax_led_args wmax_basic_args;
- if (interface == WMAX) {
- wmax_basic_args.led_mask = 1 << zone->location;
- wmax_basic_args.colors = zone->colors;
- wmax_basic_args.state = lighting_control_state;
- guid = WMAX_CONTROL_GUID;
- method_id = WMAX_METHOD_ZONE_CONTROL;
-
- input.length = (acpi_size) sizeof(wmax_basic_args);
- input.pointer = &wmax_basic_args;
- } else {
- legacy_args.colors = zone->colors;
- legacy_args.brightness = global_brightness;
- legacy_args.state = 0;
- if (lighting_control_state == LEGACY_BOOTING ||
- lighting_control_state == LEGACY_SUSPEND) {
- guid = LEGACY_POWER_CONTROL_GUID;
- legacy_args.state = lighting_control_state;
- } else
- guid = LEGACY_CONTROL_GUID;
- method_id = zone->location + 1;
-
- input.length = (acpi_size) sizeof(legacy_args);
- input.pointer = &legacy_args;
- }
- pr_debug("alienware-wmi: guid %s method %d\n", guid, method_id);
-
- status = wmi_evaluate_method(guid, 0, method_id, &input, NULL);
- if (ACPI_FAILURE(status))
- pr_err("alienware-wmi: zone set failure: %u\n", status);
- return ACPI_FAILURE(status);
-}
-
-static ssize_t zone_show(struct device *dev, struct device_attribute *attr,
- char *buf)
-{
- struct platform_zone *target_zone;
- target_zone = match_zone(attr);
- if (target_zone == NULL)
- return sprintf(buf, "red: -1, green: -1, blue: -1\n");
- return sprintf(buf, "red: %d, green: %d, blue: %d\n",
- target_zone->colors.red,
- target_zone->colors.green, target_zone->colors.blue);
-
-}
-
-static ssize_t zone_set(struct device *dev, struct device_attribute *attr,
- const char *buf, size_t count)
-{
- struct platform_zone *target_zone;
- int ret;
- target_zone = match_zone(attr);
- if (target_zone == NULL) {
- pr_err("alienware-wmi: invalid target zone\n");
- return 1;
- }
- ret = parse_rgb(buf, target_zone);
- if (ret)
- return ret;
- ret = alienware_update_led(target_zone);
- return ret ? ret : count;
-}
-
-/*
- * LED Brightness (Global)
- */
-static int wmax_brightness(int brightness)
-{
- acpi_status status;
- struct acpi_buffer input;
- struct wmax_brightness_args args = {
- .led_mask = 0xFF,
- .percentage = brightness,
- };
- input.length = (acpi_size) sizeof(args);
- input.pointer = &args;
- status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
- WMAX_METHOD_BRIGHTNESS, &input, NULL);
- if (ACPI_FAILURE(status))
- pr_err("alienware-wmi: brightness set failure: %u\n", status);
- return ACPI_FAILURE(status);
-}
-
-static void global_led_set(struct led_classdev *led_cdev,
- enum led_brightness brightness)
-{
- int ret;
- global_brightness = brightness;
- if (interface == WMAX)
- ret = wmax_brightness(brightness);
- else
- ret = alienware_update_led(&zone_data[0]);
- if (ret)
- pr_err("LED brightness update failed\n");
-}
-
-static enum led_brightness global_led_get(struct led_classdev *led_cdev)
-{
- return global_brightness;
-}
-
-static struct led_classdev global_led = {
- .brightness_set = global_led_set,
- .brightness_get = global_led_get,
- .name = "alienware::global_brightness",
-};
-
-/*
- * Lighting control state device attribute (Global)
- */
-static ssize_t show_control_state(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- if (lighting_control_state == LEGACY_BOOTING)
- return scnprintf(buf, PAGE_SIZE, "[booting] running suspend\n");
- else if (lighting_control_state == LEGACY_SUSPEND)
- return scnprintf(buf, PAGE_SIZE, "booting running [suspend]\n");
- return scnprintf(buf, PAGE_SIZE, "booting [running] suspend\n");
-}
-
-static ssize_t store_control_state(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- long unsigned int 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;
- lighting_control_state = val;
- pr_debug("alienware-wmi: updated control state to %d\n",
- lighting_control_state);
- return count;
-}
-
-static DEVICE_ATTR(lighting_control_state, 0644, show_control_state,
- store_control_state);
-
-static int alienware_zone_init(struct platform_device *dev)
-{
- u8 zone;
- char buffer[10];
- char *name;
-
- if (interface == WMAX) {
- lighting_control_state = WMAX_RUNNING;
- } else if (interface == LEGACY) {
- lighting_control_state = LEGACY_RUNNING;
- }
- global_led.max_brightness = 0x0F;
- global_brightness = global_led.max_brightness;
-
- /*
- * - zone_dev_attrs num_zones + 1 is for individual zones and then
- * null terminated
- * - zone_attrs num_zones + 2 is for all attrs in zone_dev_attrs +
- * the lighting control + null terminated
- * - zone_data num_zones is for the distinct zones
- */
- zone_dev_attrs =
- kcalloc(quirks->num_zones + 1, sizeof(struct device_attribute),
- GFP_KERNEL);
- if (!zone_dev_attrs)
- return -ENOMEM;
-
- zone_attrs =
- kcalloc(quirks->num_zones + 2, sizeof(struct attribute *),
- GFP_KERNEL);
- if (!zone_attrs)
- return -ENOMEM;
-
- zone_data =
- kcalloc(quirks->num_zones, sizeof(struct platform_zone),
- GFP_KERNEL);
- if (!zone_data)
- return -ENOMEM;
-
- for (zone = 0; zone < quirks->num_zones; zone++) {
- sprintf(buffer, "zone%02hhX", zone);
- name = kstrdup(buffer, GFP_KERNEL);
- if (name == NULL)
- return 1;
- sysfs_attr_init(&zone_dev_attrs[zone].attr);
- zone_dev_attrs[zone].attr.name = name;
- zone_dev_attrs[zone].attr.mode = 0644;
- zone_dev_attrs[zone].show = zone_show;
- zone_dev_attrs[zone].store = zone_set;
- zone_data[zone].location = zone;
- zone_attrs[zone] = &zone_dev_attrs[zone].attr;
- zone_data[zone].attr = &zone_dev_attrs[zone];
- }
- zone_attrs[quirks->num_zones] = &dev_attr_lighting_control_state.attr;
- zone_attribute_group.attrs = zone_attrs;
-
- led_classdev_register(&dev->dev, &global_led);
-
- return sysfs_create_group(&dev->dev.kobj, &zone_attribute_group);
-}
-
-static void alienware_zone_exit(struct platform_device *dev)
-{
- u8 zone;
-
- sysfs_remove_group(&dev->dev.kobj, &zone_attribute_group);
- led_classdev_unregister(&global_led);
- if (zone_dev_attrs) {
- for (zone = 0; zone < quirks->num_zones; zone++)
- kfree(zone_dev_attrs[zone].attr.name);
- }
- kfree(zone_dev_attrs);
- kfree(zone_data);
- kfree(zone_attrs);
-}
-
-static acpi_status alienware_wmax_command(struct wmax_basic_args *in_args,
- u32 command, int *out_data)
-{
- acpi_status status;
- union acpi_object *obj;
- struct acpi_buffer input;
- struct acpi_buffer output;
-
- input.length = (acpi_size) sizeof(*in_args);
- input.pointer = in_args;
- if (out_data) {
- output.length = ACPI_ALLOCATE_BUFFER;
- output.pointer = NULL;
- status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
- command, &input, &output);
- if (ACPI_SUCCESS(status)) {
- obj = (union acpi_object *)output.pointer;
- if (obj && obj->type == ACPI_TYPE_INTEGER)
- *out_data = (u32)obj->integer.value;
- }
- kfree(output.pointer);
- } else {
- status = wmi_evaluate_method(WMAX_CONTROL_GUID, 0,
- command, &input, NULL);
- }
- return status;
-}
-
-/*
- * 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 show_hdmi_cable(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- acpi_status status;
- u32 out_data;
- struct wmax_basic_args in_args = {
- .arg = 0,
- };
- status =
- alienware_wmax_command(&in_args, WMAX_METHOD_HDMI_CABLE,
- (u32 *) &out_data);
- if (ACPI_SUCCESS(status)) {
- if (out_data == 0)
- return scnprintf(buf, PAGE_SIZE,
- "[unconnected] connected unknown\n");
- else if (out_data == 1)
- return scnprintf(buf, PAGE_SIZE,
- "unconnected [connected] unknown\n");
- }
- pr_err("alienware-wmi: unknown HDMI cable status: %d\n", status);
- return scnprintf(buf, PAGE_SIZE, "unconnected connected [unknown]\n");
-}
-
-static ssize_t show_hdmi_source(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- acpi_status status;
- u32 out_data;
- struct wmax_basic_args in_args = {
- .arg = 0,
- };
- status =
- alienware_wmax_command(&in_args, WMAX_METHOD_HDMI_STATUS,
- (u32 *) &out_data);
-
- if (ACPI_SUCCESS(status)) {
- if (out_data == 1)
- return scnprintf(buf, PAGE_SIZE,
- "[input] gpu unknown\n");
- else if (out_data == 2)
- return scnprintf(buf, PAGE_SIZE,
- "input [gpu] unknown\n");
- }
- pr_err("alienware-wmi: unknown HDMI source status: %u\n", status);
- return scnprintf(buf, PAGE_SIZE, "input gpu [unknown]\n");
-}
-
-static ssize_t toggle_hdmi_source(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- acpi_status status;
- struct wmax_basic_args args;
- 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);
-
- status = alienware_wmax_command(&args, WMAX_METHOD_HDMI_SOURCE, NULL);
-
- if (ACPI_FAILURE(status))
- pr_err("alienware-wmi: HDMI toggle failed: results: %u\n",
- status);
- return count;
-}
-
-static DEVICE_ATTR(cable, S_IRUGO, show_hdmi_cable, NULL);
-static DEVICE_ATTR(source, S_IRUGO | S_IWUSR, show_hdmi_source,
- toggle_hdmi_source);
-
-static struct attribute *hdmi_attrs[] = {
- &dev_attr_cable.attr,
- &dev_attr_source.attr,
- NULL,
-};
-
-static const struct attribute_group hdmi_attribute_group = {
- .name = "hdmi",
- .attrs = hdmi_attrs,
-};
-
-static void remove_hdmi(struct platform_device *dev)
-{
- if (quirks->hdmi_mux > 0)
- sysfs_remove_group(&dev->dev.kobj, &hdmi_attribute_group);
-}
-
-static int create_hdmi(struct platform_device *dev)
-{
- int ret;
-
- ret = sysfs_create_group(&dev->dev.kobj, &hdmi_attribute_group);
- if (ret)
- remove_hdmi(dev);
- return ret;
-}
-
-/*
- * Alienware GFX amplifier support
- * - Currently supports reading cable status
- * - Leaving expansion room to possibly support dock/undock events later
- */
-static ssize_t show_amplifier_status(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- acpi_status status;
- u32 out_data;
- struct wmax_basic_args in_args = {
- .arg = 0,
- };
- status =
- alienware_wmax_command(&in_args, WMAX_METHOD_AMPLIFIER_CABLE,
- (u32 *) &out_data);
- if (ACPI_SUCCESS(status)) {
- if (out_data == 0)
- return scnprintf(buf, PAGE_SIZE,
- "[unconnected] connected unknown\n");
- else if (out_data == 1)
- return scnprintf(buf, PAGE_SIZE,
- "unconnected [connected] unknown\n");
- }
- pr_err("alienware-wmi: unknown amplifier cable status: %d\n", status);
- return scnprintf(buf, PAGE_SIZE, "unconnected connected [unknown]\n");
-}
-
-static DEVICE_ATTR(status, S_IRUGO, show_amplifier_status, NULL);
-
-static struct attribute *amplifier_attrs[] = {
- &dev_attr_status.attr,
- NULL,
-};
-
-static const struct attribute_group amplifier_attribute_group = {
- .name = "amplifier",
- .attrs = amplifier_attrs,
-};
-
-static void remove_amplifier(struct platform_device *dev)
-{
- if (quirks->amplifier > 0)
- sysfs_remove_group(&dev->dev.kobj, &amplifier_attribute_group);
-}
-
-static int create_amplifier(struct platform_device *dev)
-{
- int ret;
-
- ret = sysfs_create_group(&dev->dev.kobj, &amplifier_attribute_group);
- if (ret)
- remove_amplifier(dev);
- return ret;
-}
-
-/*
- * Deep Sleep Control support
- * - Modifies BIOS setting for deep sleep control allowing extra wakeup events
- */
-static ssize_t show_deepsleep_status(struct device *dev,
- struct device_attribute *attr, char *buf)
-{
- acpi_status status;
- u32 out_data;
- struct wmax_basic_args in_args = {
- .arg = 0,
- };
- status = alienware_wmax_command(&in_args, WMAX_METHOD_DEEP_SLEEP_STATUS,
- (u32 *) &out_data);
- if (ACPI_SUCCESS(status)) {
- if (out_data == 0)
- return scnprintf(buf, PAGE_SIZE,
- "[disabled] s5 s5_s4\n");
- else if (out_data == 1)
- return scnprintf(buf, PAGE_SIZE,
- "disabled [s5] s5_s4\n");
- else if (out_data == 2)
- return scnprintf(buf, PAGE_SIZE,
- "disabled s5 [s5_s4]\n");
- }
- pr_err("alienware-wmi: unknown deep sleep status: %d\n", status);
- return scnprintf(buf, PAGE_SIZE, "disabled s5 s5_s4 [unknown]\n");
-}
-
-static ssize_t toggle_deepsleep(struct device *dev,
- struct device_attribute *attr,
- const char *buf, size_t count)
-{
- acpi_status status;
- struct wmax_basic_args args;
-
- 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);
-
- status = alienware_wmax_command(&args, WMAX_METHOD_DEEP_SLEEP_CONTROL,
- NULL);
-
- if (ACPI_FAILURE(status))
- pr_err("alienware-wmi: deep sleep control failed: results: %u\n",
- status);
- return count;
-}
-
-static DEVICE_ATTR(deepsleep, S_IRUGO | S_IWUSR, show_deepsleep_status, toggle_deepsleep);
-
-static struct attribute *deepsleep_attrs[] = {
- &dev_attr_deepsleep.attr,
- NULL,
-};
-
-static const struct attribute_group deepsleep_attribute_group = {
- .name = "deepsleep",
- .attrs = deepsleep_attrs,
-};
-
-static void remove_deepsleep(struct platform_device *dev)
-{
- if (quirks->deepslp > 0)
- sysfs_remove_group(&dev->dev.kobj, &deepsleep_attribute_group);
-}
-
-static int create_deepsleep(struct platform_device *dev)
-{
- int ret;
-
- ret = sysfs_create_group(&dev->dev.kobj, &deepsleep_attribute_group);
- if (ret)
- remove_deepsleep(dev);
- return ret;
-}
-
-static int __init alienware_wmi_init(void)
-{
- int ret;
-
- if (wmi_has_guid(LEGACY_CONTROL_GUID))
- interface = LEGACY;
- else if (wmi_has_guid(WMAX_CONTROL_GUID))
- interface = WMAX;
- else {
- pr_warn("alienware-wmi: No known WMI GUID found\n");
- return -ENODEV;
- }
-
- dmi_check_system(alienware_quirks);
- if (quirks == NULL)
- quirks = &quirk_unknown;
-
- ret = platform_driver_register(&platform_driver);
- if (ret)
- goto fail_platform_driver;
- platform_device = platform_device_alloc("alienware-wmi", -1);
- if (!platform_device) {
- ret = -ENOMEM;
- goto fail_platform_device1;
- }
- ret = platform_device_add(platform_device);
- if (ret)
- goto fail_platform_device2;
-
- if (quirks->hdmi_mux > 0) {
- ret = create_hdmi(platform_device);
- if (ret)
- goto fail_prep_hdmi;
- }
-
- if (quirks->amplifier > 0) {
- ret = create_amplifier(platform_device);
- if (ret)
- goto fail_prep_amplifier;
- }
-
- if (quirks->deepslp > 0) {
- ret = create_deepsleep(platform_device);
- if (ret)
- goto fail_prep_deepsleep;
- }
-
- ret = alienware_zone_init(platform_device);
- if (ret)
- goto fail_prep_zones;
-
- return 0;
-
-fail_prep_zones:
- alienware_zone_exit(platform_device);
-fail_prep_deepsleep:
-fail_prep_amplifier:
-fail_prep_hdmi:
- platform_device_del(platform_device);
-fail_platform_device2:
- platform_device_put(platform_device);
-fail_platform_device1:
- platform_driver_unregister(&platform_driver);
-fail_platform_driver:
- return ret;
-}
-
-module_init(alienware_wmi_init);
-
-static void __exit alienware_wmi_exit(void)
-{
- if (platform_device) {
- alienware_zone_exit(platform_device);
- remove_hdmi(platform_device);
- platform_device_unregister(platform_device);
- platform_driver_unregister(&platform_driver);
- }
-}
-
-module_exit(alienware_wmi_exit);