1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Asus PC WMI hotkey driver
5 * Copyright(C) 2010 Intel Corporation.
6 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
8 * Portions based on wistron_btns.c:
9 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
10 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
11 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
14 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
16 #include <linux/acpi.h>
17 #include <linux/backlight.h>
18 #include <linux/debugfs.h>
19 #include <linux/dmi.h>
21 #include <linux/hwmon.h>
22 #include <linux/hwmon-sysfs.h>
23 #include <linux/init.h>
24 #include <linux/input.h>
25 #include <linux/input/sparse-keymap.h>
26 #include <linux/kernel.h>
27 #include <linux/leds.h>
28 #include <linux/module.h>
29 #include <linux/pci.h>
30 #include <linux/pci_hotplug.h>
31 #include <linux/platform_data/x86/asus-wmi.h>
32 #include <linux/platform_device.h>
33 #include <linux/platform_profile.h>
34 #include <linux/power_supply.h>
35 #include <linux/rfkill.h>
36 #include <linux/seq_file.h>
37 #include <linux/slab.h>
38 #include <linux/types.h>
39 #include <linux/units.h>
41 #include <acpi/battery.h>
42 #include <acpi/video.h>
46 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
47 MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
48 MODULE_DESCRIPTION("Asus Generic WMI Driver");
49 MODULE_LICENSE("GPL");
51 static bool fnlock_default = true;
52 module_param(fnlock_default, bool, 0444);
54 #define to_asus_wmi_driver(pdrv) \
55 (container_of((pdrv), struct asus_wmi_driver, platform_driver))
57 #define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
59 #define NOTIFY_BRNUP_MIN 0x11
60 #define NOTIFY_BRNUP_MAX 0x1f
61 #define NOTIFY_BRNDOWN_MIN 0x20
62 #define NOTIFY_BRNDOWN_MAX 0x2e
63 #define NOTIFY_FNLOCK_TOGGLE 0x4e
64 #define NOTIFY_KBD_DOCK_CHANGE 0x75
65 #define NOTIFY_KBD_BRTUP 0xc4
66 #define NOTIFY_KBD_BRTDWN 0xc5
67 #define NOTIFY_KBD_BRTTOGGLE 0xc7
68 #define NOTIFY_KBD_FBM 0x99
69 #define NOTIFY_KBD_TTP 0xae
70 #define NOTIFY_LID_FLIP 0xfa
71 #define NOTIFY_LID_FLIP_ROG 0xbd
73 #define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
75 #define ASUS_GPU_FAN_DESC "gpu_fan"
76 #define ASUS_FAN_DESC "cpu_fan"
77 #define ASUS_FAN_MFUN 0x13
78 #define ASUS_FAN_SFUN_READ 0x06
79 #define ASUS_FAN_SFUN_WRITE 0x07
81 /* Based on standard hwmon pwmX_enable values */
82 #define ASUS_FAN_CTRL_FULLSPEED 0
83 #define ASUS_FAN_CTRL_MANUAL 1
84 #define ASUS_FAN_CTRL_AUTO 2
86 #define ASUS_FAN_BOOST_MODE_NORMAL 0
87 #define ASUS_FAN_BOOST_MODE_OVERBOOST 1
88 #define ASUS_FAN_BOOST_MODE_OVERBOOST_MASK 0x01
89 #define ASUS_FAN_BOOST_MODE_SILENT 2
90 #define ASUS_FAN_BOOST_MODE_SILENT_MASK 0x02
91 #define ASUS_FAN_BOOST_MODES_MASK 0x03
93 #define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT 0
94 #define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST 1
95 #define ASUS_THROTTLE_THERMAL_POLICY_SILENT 2
97 #define USB_INTEL_XUSB2PR 0xD0
98 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
100 #define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
101 #define ASUS_ACPI_UID_ATK "ATK"
103 #define WMI_EVENT_QUEUE_SIZE 0x10
104 #define WMI_EVENT_QUEUE_END 0x1
105 #define WMI_EVENT_MASK 0xFFFF
106 /* The WMI hotkey event value is always the same. */
107 #define WMI_EVENT_VALUE_ATK 0xFF
109 #define WMI_EVENT_MASK 0xFFFF
111 #define FAN_CURVE_POINTS 8
112 #define FAN_CURVE_BUF_LEN 32
113 #define FAN_CURVE_DEV_CPU 0x00
114 #define FAN_CURVE_DEV_GPU 0x01
115 /* Mask to determine if setting temperature or percentage */
116 #define FAN_CURVE_PWM_MASK 0x04
118 static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
120 static int throttle_thermal_policy_write(struct asus_wmi *);
122 static bool ashs_present(void)
125 while (ashs_ids[i]) {
126 if (acpi_dev_found(ashs_ids[i++]))
135 u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
137 u32 arg4; /* Some ROG laptops require a full 5 input args */
142 * Struct that's used for all methods called via AGFN. Naming is
143 * identically to the AML code.
146 u16 mfun; /* probably "Multi-function" to be called */
147 u16 sfun; /* probably "Sub-function" to be called */
148 u16 len; /* size of the hole struct, including subfunction fields */
149 u8 stas; /* not used by now */
150 u8 err; /* zero on success */
153 /* struct used for calling fan read and write methods */
154 struct agfn_fan_args {
155 struct agfn_args agfn; /* common fields */
156 u8 fan; /* fan number: 0: set auto mode 1: 1st fan */
157 u32 speed; /* read: RPM/100 - write: 0-255 */
161 * <platform>/ - debugfs root directory
162 * dev_id - current dev_id
163 * ctrl_param - current ctrl_param
164 * method_id - current method_id
165 * devs - call DEVS(dev_id, ctrl_param) and print result
166 * dsts - call DSTS(dev_id) and print result
167 * call - call method_id(dev_id, ctrl_param) and print result
169 struct asus_wmi_debug {
177 struct asus_wmi *asus;
178 struct rfkill *rfkill;
184 FAN_TYPE_AGFN, /* deprecated on newer platforms */
185 FAN_TYPE_SPEC83, /* starting in Spec 8.3, use CPU_FAN_CTRL */
188 struct fan_curve_data {
191 u8 temps[FAN_CURVE_POINTS];
192 u8 percents[FAN_CURVE_POINTS];
199 bool wmi_event_queue;
201 struct input_dev *inputdev;
202 struct backlight_device *backlight_device;
203 struct platform_device *platform_device;
205 struct led_classdev wlan_led;
207 struct led_classdev tpd_led;
209 struct led_classdev kbd_led;
211 struct led_classdev lightbar_led;
213 struct led_classdev micmute_led;
214 struct workqueue_struct *led_workqueue;
215 struct work_struct tpd_led_work;
216 struct work_struct wlan_led_work;
217 struct work_struct lightbar_led_work;
219 struct asus_rfkill wlan;
220 struct asus_rfkill bluetooth;
221 struct asus_rfkill wimax;
222 struct asus_rfkill wwan3g;
223 struct asus_rfkill gps;
224 struct asus_rfkill uwb;
226 int tablet_switch_event_code;
227 u32 tablet_switch_dev_id;
229 enum fan_type fan_type;
230 enum fan_type gpu_fan_type;
232 int gpu_fan_pwm_mode;
235 bool fan_boost_mode_available;
236 u8 fan_boost_mode_mask;
239 bool egpu_enable_available;
240 bool dgpu_disable_available;
241 bool gpu_mux_mode_available;
243 bool kbd_rgb_mode_available;
244 bool kbd_rgb_state_available;
246 bool throttle_thermal_policy_available;
247 u8 throttle_thermal_policy_mode;
249 bool cpu_fan_curve_available;
250 bool gpu_fan_curve_available;
251 struct fan_curve_data custom_fan_curves[2];
253 struct platform_profile_handler platform_profile_handler;
254 bool platform_profile_support;
256 // The RSOC controls the maximum charging percentage.
257 bool battery_rsoc_available;
259 bool panel_overdrive_available;
261 struct hotplug_slot hotplug_slot;
262 struct mutex hotplug_lock;
263 struct mutex wmi_lock;
264 struct workqueue_struct *hotplug_workqueue;
265 struct work_struct hotplug_work;
269 struct asus_wmi_debug debug;
271 struct asus_wmi_driver *driver;
274 /* WMI ************************************************************************/
276 static int asus_wmi_evaluate_method3(u32 method_id,
277 u32 arg0, u32 arg1, u32 arg2, u32 *retval)
279 struct bios_args args = {
284 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
285 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
287 union acpi_object *obj;
290 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
293 if (ACPI_FAILURE(status))
296 obj = (union acpi_object *)output.pointer;
297 if (obj && obj->type == ACPI_TYPE_INTEGER)
298 tmp = (u32) obj->integer.value;
305 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
311 int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
313 return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
315 EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
317 static int asus_wmi_evaluate_method5(u32 method_id,
318 u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 *retval)
320 struct bios_args args = {
327 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
328 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
330 union acpi_object *obj;
333 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
336 if (ACPI_FAILURE(status))
339 obj = (union acpi_object *)output.pointer;
340 if (obj && obj->type == ACPI_TYPE_INTEGER)
341 tmp = (u32) obj->integer.value;
348 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
355 * Returns as an error if the method output is not a buffer. Typically this
356 * means that the method called is unsupported.
358 static int asus_wmi_evaluate_method_buf(u32 method_id,
359 u32 arg0, u32 arg1, u8 *ret_buffer, size_t size)
361 struct bios_args args = {
366 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
367 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
369 union acpi_object *obj;
372 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
375 if (ACPI_FAILURE(status))
378 obj = (union acpi_object *)output.pointer;
381 case ACPI_TYPE_BUFFER:
382 if (obj->buffer.length > size) {
386 if (obj->buffer.length == 0) {
391 memcpy(ret_buffer, obj->buffer.pointer, obj->buffer.length);
393 case ACPI_TYPE_INTEGER:
394 err = (u32)obj->integer.value;
396 if (err == ASUS_WMI_UNSUPPORTED_METHOD)
399 * At least one method returns a 0 with no buffer if no arg
400 * is provided, such as ASUS_WMI_DEVID_CPU_FAN_CURVE
418 static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
420 struct acpi_buffer input;
426 * Copy to dma capable address otherwise memory corruption occurs as
427 * bios has to be able to access it.
429 input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL);
430 input.length = args.length;
433 phys_addr = virt_to_phys(input.pointer);
435 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
436 phys_addr, 0, &retval);
438 memcpy(args.pointer, input.pointer, args.length);
440 kfree(input.pointer);
447 static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
449 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
452 static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
455 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
459 /* Helper for special devices with magic return codes */
460 static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
461 u32 dev_id, u32 mask)
466 err = asus_wmi_get_devstate(asus, dev_id, &retval);
470 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
473 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
474 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
478 return retval & mask;
481 static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
483 return asus_wmi_get_devstate_bits(asus, dev_id,
484 ASUS_WMI_DSTS_STATUS_BIT);
487 static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
490 int status = asus_wmi_get_devstate(asus, dev_id, &retval);
492 return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
495 /* Input **********************************************************************/
496 static void asus_wmi_tablet_sw_init(struct asus_wmi *asus, u32 dev_id, int event_code)
498 struct device *dev = &asus->platform_device->dev;
501 result = asus_wmi_get_devstate_simple(asus, dev_id);
503 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
504 input_report_switch(asus->inputdev, SW_TABLET_MODE, result);
505 asus->tablet_switch_dev_id = dev_id;
506 asus->tablet_switch_event_code = event_code;
507 } else if (result == -ENODEV) {
508 dev_err(dev, "This device has tablet-mode-switch quirk but got ENODEV checking it. This is a bug.");
510 dev_err(dev, "Error checking for tablet-mode-switch: %d\n", result);
514 static int asus_wmi_input_init(struct asus_wmi *asus)
516 struct device *dev = &asus->platform_device->dev;
519 asus->inputdev = input_allocate_device();
523 asus->inputdev->name = asus->driver->input_name;
524 asus->inputdev->phys = asus->driver->input_phys;
525 asus->inputdev->id.bustype = BUS_HOST;
526 asus->inputdev->dev.parent = dev;
527 set_bit(EV_REP, asus->inputdev->evbit);
529 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
533 switch (asus->driver->quirks->tablet_switch_mode) {
534 case asus_wmi_no_tablet_switch:
536 case asus_wmi_kbd_dock_devid:
537 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_KBD_DOCK, NOTIFY_KBD_DOCK_CHANGE);
539 case asus_wmi_lid_flip_devid:
540 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP, NOTIFY_LID_FLIP);
542 case asus_wmi_lid_flip_rog_devid:
543 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP_ROG, NOTIFY_LID_FLIP_ROG);
547 err = input_register_device(asus->inputdev);
554 input_free_device(asus->inputdev);
558 static void asus_wmi_input_exit(struct asus_wmi *asus)
561 input_unregister_device(asus->inputdev);
563 asus->inputdev = NULL;
566 /* Tablet mode ****************************************************************/
568 static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus)
572 if (!asus->tablet_switch_dev_id)
575 result = asus_wmi_get_devstate_simple(asus, asus->tablet_switch_dev_id);
577 input_report_switch(asus->inputdev, SW_TABLET_MODE, result);
578 input_sync(asus->inputdev);
582 /* dGPU ********************************************************************/
583 static ssize_t dgpu_disable_show(struct device *dev,
584 struct device_attribute *attr, char *buf)
586 struct asus_wmi *asus = dev_get_drvdata(dev);
589 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
593 return sysfs_emit(buf, "%d\n", result);
597 * A user may be required to store the value twice, typcial store first, then
598 * rescan PCI bus to activate power, then store a second time to save correctly.
599 * The reason for this is that an extra code path in the ACPI is enabled when
600 * the device and bus are powered.
602 static ssize_t dgpu_disable_store(struct device *dev,
603 struct device_attribute *attr,
604 const char *buf, size_t count)
609 struct asus_wmi *asus = dev_get_drvdata(dev);
611 result = kstrtou32(buf, 10, &disable);
618 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, disable, &result);
620 pr_warn("Failed to set dgpu disable: %d\n", err);
625 pr_warn("Failed to set dgpu disable (result): 0x%x\n", result);
629 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable");
633 static DEVICE_ATTR_RW(dgpu_disable);
635 /* eGPU ********************************************************************/
636 static ssize_t egpu_enable_show(struct device *dev,
637 struct device_attribute *attr, char *buf)
639 struct asus_wmi *asus = dev_get_drvdata(dev);
642 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
646 return sysfs_emit(buf, "%d\n", result);
649 /* The ACPI call to enable the eGPU also disables the internal dGPU */
650 static ssize_t egpu_enable_store(struct device *dev,
651 struct device_attribute *attr,
652 const char *buf, size_t count)
657 struct asus_wmi *asus = dev_get_drvdata(dev);
659 err = kstrtou32(buf, 10, &enable);
666 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result);
668 pr_warn("Failed to set egpu disable: %d\n", err);
673 pr_warn("Failed to set egpu disable (retval): 0x%x\n", result);
677 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
681 static DEVICE_ATTR_RW(egpu_enable);
683 /* gpu mux switch *************************************************************/
684 static ssize_t gpu_mux_mode_show(struct device *dev,
685 struct device_attribute *attr, char *buf)
687 struct asus_wmi *asus = dev_get_drvdata(dev);
690 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
694 return sysfs_emit(buf, "%d\n", result);
697 static ssize_t gpu_mux_mode_store(struct device *dev,
698 struct device_attribute *attr,
699 const char *buf, size_t count)
701 struct asus_wmi *asus = dev_get_drvdata(dev);
705 err = kstrtou32(buf, 10, &optimus);
712 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result);
714 dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
717 /* !1 is considered a fail by ASUS */
719 dev_warn(dev, "Failed to set GPU MUX mode (result): 0x%x\n", result);
723 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "gpu_mux_mode");
727 static DEVICE_ATTR_RW(gpu_mux_mode);
729 /* TUF Laptop Keyboard RGB Modes **********************************************/
730 static ssize_t kbd_rgb_mode_store(struct device *dev,
731 struct device_attribute *attr,
732 const char *buf, size_t count)
734 u32 cmd, mode, r, g, b, speed;
737 if (sscanf(buf, "%d %d %d %d %d %d", &cmd, &mode, &r, &g, &b, &speed) != 6)
742 /* These are the known usable modes across all TUF/ROG */
743 if (mode >= 12 || mode == 9)
760 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE,
761 cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL);
767 static DEVICE_ATTR_WO(kbd_rgb_mode);
769 static ssize_t kbd_rgb_mode_index_show(struct device *device,
770 struct device_attribute *attr,
773 return sysfs_emit(buf, "%s\n", "cmd mode red green blue speed");
775 static DEVICE_ATTR_RO(kbd_rgb_mode_index);
777 static struct attribute *kbd_rgb_mode_attrs[] = {
778 &dev_attr_kbd_rgb_mode.attr,
779 &dev_attr_kbd_rgb_mode_index.attr,
783 static const struct attribute_group kbd_rgb_mode_group = {
784 .attrs = kbd_rgb_mode_attrs,
787 /* TUF Laptop Keyboard RGB State **********************************************/
788 static ssize_t kbd_rgb_state_store(struct device *dev,
789 struct device_attribute *attr,
790 const char *buf, size_t count)
792 u32 flags, cmd, boot, awake, sleep, keyboard;
795 if (sscanf(buf, "%d %d %d %d %d", &cmd, &boot, &awake, &sleep, &keyboard) != 5)
811 /* 0xbd is the required default arg0 for the method. Nothing happens otherwise */
812 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS,
813 ASUS_WMI_DEVID_TUF_RGB_STATE, 0xbd | cmd << 8 | (flags << 16), 0, NULL);
819 static DEVICE_ATTR_WO(kbd_rgb_state);
821 static ssize_t kbd_rgb_state_index_show(struct device *device,
822 struct device_attribute *attr,
825 return sysfs_emit(buf, "%s\n", "cmd boot awake sleep keyboard");
827 static DEVICE_ATTR_RO(kbd_rgb_state_index);
829 static struct attribute *kbd_rgb_state_attrs[] = {
830 &dev_attr_kbd_rgb_state.attr,
831 &dev_attr_kbd_rgb_state_index.attr,
835 static const struct attribute_group kbd_rgb_state_group = {
836 .attrs = kbd_rgb_state_attrs,
839 static const struct attribute_group *kbd_rgb_mode_groups[] = {
845 /* Battery ********************************************************************/
847 /* The battery maximum charging percentage */
848 static int charge_end_threshold;
850 static ssize_t charge_control_end_threshold_store(struct device *dev,
851 struct device_attribute *attr,
852 const char *buf, size_t count)
856 ret = kstrtouint(buf, 10, &value);
860 if (value < 0 || value > 100)
863 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv);
870 /* There isn't any method in the DSDT to read the threshold, so we
871 * save the threshold.
873 charge_end_threshold = value;
877 static ssize_t charge_control_end_threshold_show(struct device *device,
878 struct device_attribute *attr,
881 return sysfs_emit(buf, "%d\n", charge_end_threshold);
884 static DEVICE_ATTR_RW(charge_control_end_threshold);
886 static int asus_wmi_battery_add(struct power_supply *battery, struct acpi_battery_hook *hook)
888 /* The WMI method does not provide a way to specific a battery, so we
889 * just assume it is the first battery.
890 * Note: On some newer ASUS laptops (Zenbook UM431DA), the primary/first
891 * battery is named BATT.
893 if (strcmp(battery->desc->name, "BAT0") != 0 &&
894 strcmp(battery->desc->name, "BAT1") != 0 &&
895 strcmp(battery->desc->name, "BATC") != 0 &&
896 strcmp(battery->desc->name, "BATT") != 0)
899 if (device_create_file(&battery->dev,
900 &dev_attr_charge_control_end_threshold))
903 /* The charge threshold is only reset when the system is power cycled,
904 * and we can't get the current threshold so let set it to 100% when
905 * a battery is added.
907 asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL);
908 charge_end_threshold = 100;
913 static int asus_wmi_battery_remove(struct power_supply *battery, struct acpi_battery_hook *hook)
915 device_remove_file(&battery->dev,
916 &dev_attr_charge_control_end_threshold);
920 static struct acpi_battery_hook battery_hook = {
921 .add_battery = asus_wmi_battery_add,
922 .remove_battery = asus_wmi_battery_remove,
923 .name = "ASUS Battery Extension",
926 static void asus_wmi_battery_init(struct asus_wmi *asus)
928 asus->battery_rsoc_available = false;
929 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
930 asus->battery_rsoc_available = true;
931 battery_hook_register(&battery_hook);
935 static void asus_wmi_battery_exit(struct asus_wmi *asus)
937 if (asus->battery_rsoc_available)
938 battery_hook_unregister(&battery_hook);
941 /* LEDs ***********************************************************************/
944 * These functions actually update the LED's, and are called from a
945 * workqueue. By doing this as separate work rather than when the LED
946 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
947 * potentially bad time, such as a timer interrupt.
949 static void tpd_led_update(struct work_struct *work)
952 struct asus_wmi *asus;
954 asus = container_of(work, struct asus_wmi, tpd_led_work);
956 ctrl_param = asus->tpd_led_wk;
957 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
960 static void tpd_led_set(struct led_classdev *led_cdev,
961 enum led_brightness value)
963 struct asus_wmi *asus;
965 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
967 asus->tpd_led_wk = !!value;
968 queue_work(asus->led_workqueue, &asus->tpd_led_work);
971 static int read_tpd_led_state(struct asus_wmi *asus)
973 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
976 static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
978 struct asus_wmi *asus;
980 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
982 return read_tpd_led_state(asus);
985 static void kbd_led_update(struct asus_wmi *asus)
989 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
990 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
993 static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
999 * bit 7: light on/off
1000 * bit 8-10: environment (0: dark, 1: normal, 2: light)
1001 * bit 17: status unknown
1003 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
1006 /* Unknown status is considered as off */
1007 if (retval == 0x8000)
1014 *level = retval & 0x7F;
1016 *env = (retval >> 8) & 0x7F;
1020 static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
1022 struct asus_wmi *asus;
1025 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1026 max_level = asus->kbd_led.max_brightness;
1028 asus->kbd_led_wk = clamp_val(value, 0, max_level);
1029 kbd_led_update(asus);
1032 static void kbd_led_set(struct led_classdev *led_cdev,
1033 enum led_brightness value)
1035 /* Prevent disabling keyboard backlight on module unregister */
1036 if (led_cdev->flags & LED_UNREGISTERING)
1039 do_kbd_led_set(led_cdev, value);
1042 static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value)
1044 struct led_classdev *led_cdev = &asus->kbd_led;
1046 do_kbd_led_set(led_cdev, value);
1047 led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk);
1050 static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
1052 struct asus_wmi *asus;
1055 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1057 retval = kbd_led_read(asus, &value, NULL);
1064 static int wlan_led_unknown_state(struct asus_wmi *asus)
1068 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1070 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
1073 static void wlan_led_update(struct work_struct *work)
1076 struct asus_wmi *asus;
1078 asus = container_of(work, struct asus_wmi, wlan_led_work);
1080 ctrl_param = asus->wlan_led_wk;
1081 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
1084 static void wlan_led_set(struct led_classdev *led_cdev,
1085 enum led_brightness value)
1087 struct asus_wmi *asus;
1089 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1091 asus->wlan_led_wk = !!value;
1092 queue_work(asus->led_workqueue, &asus->wlan_led_work);
1095 static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
1097 struct asus_wmi *asus;
1100 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1101 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1103 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
1106 static void lightbar_led_update(struct work_struct *work)
1108 struct asus_wmi *asus;
1111 asus = container_of(work, struct asus_wmi, lightbar_led_work);
1113 ctrl_param = asus->lightbar_led_wk;
1114 asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL);
1117 static void lightbar_led_set(struct led_classdev *led_cdev,
1118 enum led_brightness value)
1120 struct asus_wmi *asus;
1122 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1124 asus->lightbar_led_wk = !!value;
1125 queue_work(asus->led_workqueue, &asus->lightbar_led_work);
1128 static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
1130 struct asus_wmi *asus;
1133 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1134 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
1136 return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
1139 static int micmute_led_set(struct led_classdev *led_cdev,
1140 enum led_brightness brightness)
1142 int state = brightness != LED_OFF;
1145 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL);
1146 return err < 0 ? err : 0;
1149 static void asus_wmi_led_exit(struct asus_wmi *asus)
1151 led_classdev_unregister(&asus->kbd_led);
1152 led_classdev_unregister(&asus->tpd_led);
1153 led_classdev_unregister(&asus->wlan_led);
1154 led_classdev_unregister(&asus->lightbar_led);
1155 led_classdev_unregister(&asus->micmute_led);
1157 if (asus->led_workqueue)
1158 destroy_workqueue(asus->led_workqueue);
1161 static int asus_wmi_led_init(struct asus_wmi *asus)
1163 int rv = 0, num_rgb_groups = 0, led_val;
1165 if (asus->kbd_rgb_mode_available)
1166 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group;
1167 if (asus->kbd_rgb_state_available)
1168 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group;
1170 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
1171 if (!asus->led_workqueue)
1174 if (read_tpd_led_state(asus) >= 0) {
1175 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
1177 asus->tpd_led.name = "asus::touchpad";
1178 asus->tpd_led.brightness_set = tpd_led_set;
1179 asus->tpd_led.brightness_get = tpd_led_get;
1180 asus->tpd_led.max_brightness = 1;
1182 rv = led_classdev_register(&asus->platform_device->dev,
1188 if (!kbd_led_read(asus, &led_val, NULL)) {
1189 asus->kbd_led_wk = led_val;
1190 asus->kbd_led.name = "asus::kbd_backlight";
1191 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
1192 asus->kbd_led.brightness_set = kbd_led_set;
1193 asus->kbd_led.brightness_get = kbd_led_get;
1194 asus->kbd_led.max_brightness = 3;
1196 if (num_rgb_groups != 0)
1197 asus->kbd_led.groups = kbd_rgb_mode_groups;
1199 rv = led_classdev_register(&asus->platform_device->dev,
1205 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
1206 && (asus->driver->quirks->wapf > 0)) {
1207 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
1209 asus->wlan_led.name = "asus::wlan";
1210 asus->wlan_led.brightness_set = wlan_led_set;
1211 if (!wlan_led_unknown_state(asus))
1212 asus->wlan_led.brightness_get = wlan_led_get;
1213 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
1214 asus->wlan_led.max_brightness = 1;
1215 asus->wlan_led.default_trigger = "asus-wlan";
1217 rv = led_classdev_register(&asus->platform_device->dev,
1223 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
1224 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
1226 asus->lightbar_led.name = "asus::lightbar";
1227 asus->lightbar_led.brightness_set = lightbar_led_set;
1228 asus->lightbar_led.brightness_get = lightbar_led_get;
1229 asus->lightbar_led.max_brightness = 1;
1231 rv = led_classdev_register(&asus->platform_device->dev,
1232 &asus->lightbar_led);
1235 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) {
1236 asus->micmute_led.name = "platform::micmute";
1237 asus->micmute_led.max_brightness = 1;
1238 asus->micmute_led.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
1239 asus->micmute_led.brightness_set_blocking = micmute_led_set;
1240 asus->micmute_led.default_trigger = "audio-micmute";
1242 rv = led_classdev_register(&asus->platform_device->dev,
1243 &asus->micmute_led);
1250 asus_wmi_led_exit(asus);
1255 /* RF *************************************************************************/
1258 * PCI hotplug (for wlan rfkill)
1260 static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
1262 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1269 static void asus_rfkill_hotplug(struct asus_wmi *asus)
1271 struct pci_dev *dev;
1272 struct pci_bus *bus;
1277 mutex_lock(&asus->wmi_lock);
1278 blocked = asus_wlan_rfkill_blocked(asus);
1279 mutex_unlock(&asus->wmi_lock);
1281 mutex_lock(&asus->hotplug_lock);
1282 pci_lock_rescan_remove();
1284 if (asus->wlan.rfkill)
1285 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
1287 if (asus->hotplug_slot.ops) {
1288 bus = pci_find_bus(0, 1);
1290 pr_warn("Unable to find PCI bus 1?\n");
1294 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
1295 pr_err("Unable to read PCI config space?\n");
1298 absent = (l == 0xffffffff);
1300 if (blocked != absent) {
1301 pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n",
1302 blocked ? "blocked" : "unblocked",
1303 absent ? "absent" : "present");
1304 pr_warn("skipped wireless hotplug as probably inappropriate for this model\n");
1309 dev = pci_get_slot(bus, 0);
1311 /* Device already present */
1315 dev = pci_scan_single_device(bus, 0);
1317 pci_bus_assign_resources(bus);
1318 pci_bus_add_device(dev);
1321 dev = pci_get_slot(bus, 0);
1323 pci_stop_and_remove_bus_device(dev);
1330 pci_unlock_rescan_remove();
1331 mutex_unlock(&asus->hotplug_lock);
1334 static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
1336 struct asus_wmi *asus = data;
1338 if (event != ACPI_NOTIFY_BUS_CHECK)
1342 * We can't call directly asus_rfkill_hotplug because most
1343 * of the time WMBC is still being executed and not reetrant.
1344 * There is currently no way to tell ACPICA that we want this
1345 * method to be serialized, we schedule a asus_rfkill_hotplug
1346 * call later, in a safer context.
1348 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
1351 static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
1356 status = acpi_get_handle(NULL, node, &handle);
1357 if (ACPI_FAILURE(status))
1360 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1361 asus_rfkill_notify, asus);
1362 if (ACPI_FAILURE(status))
1363 pr_warn("Failed to register notify on %s\n", node);
1368 static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
1370 acpi_status status = AE_OK;
1373 status = acpi_get_handle(NULL, node, &handle);
1374 if (ACPI_FAILURE(status))
1377 status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1378 asus_rfkill_notify);
1379 if (ACPI_FAILURE(status))
1380 pr_err("Error removing rfkill notify handler %s\n", node);
1383 static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
1386 struct asus_wmi *asus = container_of(hotplug_slot,
1387 struct asus_wmi, hotplug_slot);
1388 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1397 static const struct hotplug_slot_ops asus_hotplug_slot_ops = {
1398 .get_adapter_status = asus_get_adapter_status,
1399 .get_power_status = asus_get_adapter_status,
1402 static void asus_hotplug_work(struct work_struct *work)
1404 struct asus_wmi *asus;
1406 asus = container_of(work, struct asus_wmi, hotplug_work);
1407 asus_rfkill_hotplug(asus);
1410 static int asus_setup_pci_hotplug(struct asus_wmi *asus)
1413 struct pci_bus *bus = pci_find_bus(0, 1);
1416 pr_err("Unable to find wifi PCI bus\n");
1420 asus->hotplug_workqueue =
1421 create_singlethread_workqueue("hotplug_workqueue");
1422 if (!asus->hotplug_workqueue)
1423 goto error_workqueue;
1425 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
1427 asus->hotplug_slot.ops = &asus_hotplug_slot_ops;
1429 ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi");
1431 pr_err("Unable to register hotplug slot - %d\n", ret);
1432 goto error_register;
1438 asus->hotplug_slot.ops = NULL;
1439 destroy_workqueue(asus->hotplug_workqueue);
1447 static int asus_rfkill_set(void *data, bool blocked)
1449 struct asus_rfkill *priv = data;
1450 u32 ctrl_param = !blocked;
1451 u32 dev_id = priv->dev_id;
1454 * If the user bit is set, BIOS can't set and record the wlan status,
1455 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
1456 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
1457 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
1458 * while setting the wlan status through WMI.
1459 * This is also the behavior that windows app will do.
1461 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1462 priv->asus->driver->wlan_ctrl_by_user)
1463 dev_id = ASUS_WMI_DEVID_WLAN_LED;
1465 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
1468 static void asus_rfkill_query(struct rfkill *rfkill, void *data)
1470 struct asus_rfkill *priv = data;
1473 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
1478 rfkill_set_sw_state(priv->rfkill, !result);
1481 static int asus_rfkill_wlan_set(void *data, bool blocked)
1483 struct asus_rfkill *priv = data;
1484 struct asus_wmi *asus = priv->asus;
1488 * This handler is enabled only if hotplug is enabled.
1489 * In this case, the asus_wmi_set_devstate() will
1490 * trigger a wmi notification and we need to wait
1491 * this call to finish before being able to call
1494 mutex_lock(&asus->wmi_lock);
1495 ret = asus_rfkill_set(data, blocked);
1496 mutex_unlock(&asus->wmi_lock);
1500 static const struct rfkill_ops asus_rfkill_wlan_ops = {
1501 .set_block = asus_rfkill_wlan_set,
1502 .query = asus_rfkill_query,
1505 static const struct rfkill_ops asus_rfkill_ops = {
1506 .set_block = asus_rfkill_set,
1507 .query = asus_rfkill_query,
1510 static int asus_new_rfkill(struct asus_wmi *asus,
1511 struct asus_rfkill *arfkill,
1512 const char *name, enum rfkill_type type, int dev_id)
1514 int result = asus_wmi_get_devstate_simple(asus, dev_id);
1515 struct rfkill **rfkill = &arfkill->rfkill;
1520 arfkill->dev_id = dev_id;
1521 arfkill->asus = asus;
1523 if (dev_id == ASUS_WMI_DEVID_WLAN &&
1524 asus->driver->quirks->hotplug_wireless)
1525 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1526 &asus_rfkill_wlan_ops, arfkill);
1528 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1529 &asus_rfkill_ops, arfkill);
1534 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1535 (asus->driver->quirks->wapf > 0))
1536 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
1538 rfkill_init_sw_state(*rfkill, !result);
1539 result = rfkill_register(*rfkill);
1541 rfkill_destroy(*rfkill);
1548 static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
1550 if (asus->driver->wlan_ctrl_by_user && ashs_present())
1553 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1554 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1555 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1556 if (asus->wlan.rfkill) {
1557 rfkill_unregister(asus->wlan.rfkill);
1558 rfkill_destroy(asus->wlan.rfkill);
1559 asus->wlan.rfkill = NULL;
1562 * Refresh pci hotplug in case the rfkill state was changed after
1563 * asus_unregister_rfkill_notifier()
1565 asus_rfkill_hotplug(asus);
1566 if (asus->hotplug_slot.ops)
1567 pci_hp_deregister(&asus->hotplug_slot);
1568 if (asus->hotplug_workqueue)
1569 destroy_workqueue(asus->hotplug_workqueue);
1571 if (asus->bluetooth.rfkill) {
1572 rfkill_unregister(asus->bluetooth.rfkill);
1573 rfkill_destroy(asus->bluetooth.rfkill);
1574 asus->bluetooth.rfkill = NULL;
1576 if (asus->wimax.rfkill) {
1577 rfkill_unregister(asus->wimax.rfkill);
1578 rfkill_destroy(asus->wimax.rfkill);
1579 asus->wimax.rfkill = NULL;
1581 if (asus->wwan3g.rfkill) {
1582 rfkill_unregister(asus->wwan3g.rfkill);
1583 rfkill_destroy(asus->wwan3g.rfkill);
1584 asus->wwan3g.rfkill = NULL;
1586 if (asus->gps.rfkill) {
1587 rfkill_unregister(asus->gps.rfkill);
1588 rfkill_destroy(asus->gps.rfkill);
1589 asus->gps.rfkill = NULL;
1591 if (asus->uwb.rfkill) {
1592 rfkill_unregister(asus->uwb.rfkill);
1593 rfkill_destroy(asus->uwb.rfkill);
1594 asus->uwb.rfkill = NULL;
1598 static int asus_wmi_rfkill_init(struct asus_wmi *asus)
1602 mutex_init(&asus->hotplug_lock);
1603 mutex_init(&asus->wmi_lock);
1605 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1606 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
1608 if (result && result != -ENODEV)
1611 result = asus_new_rfkill(asus, &asus->bluetooth,
1612 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1613 ASUS_WMI_DEVID_BLUETOOTH);
1615 if (result && result != -ENODEV)
1618 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
1619 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
1621 if (result && result != -ENODEV)
1624 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
1625 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
1627 if (result && result != -ENODEV)
1630 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
1631 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
1633 if (result && result != -ENODEV)
1636 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
1637 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
1639 if (result && result != -ENODEV)
1642 if (!asus->driver->quirks->hotplug_wireless)
1645 result = asus_setup_pci_hotplug(asus);
1647 * If we get -EBUSY then something else is handling the PCI hotplug -
1648 * don't fail in this case
1650 if (result == -EBUSY)
1653 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1654 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1655 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1657 * Refresh pci hotplug in case the rfkill state was changed during
1660 asus_rfkill_hotplug(asus);
1663 if (result && result != -ENODEV)
1664 asus_wmi_rfkill_exit(asus);
1666 if (result == -ENODEV)
1672 /* Panel Overdrive ************************************************************/
1673 static ssize_t panel_od_show(struct device *dev,
1674 struct device_attribute *attr, char *buf)
1676 struct asus_wmi *asus = dev_get_drvdata(dev);
1679 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_PANEL_OD);
1683 return sysfs_emit(buf, "%d\n", result);
1686 static ssize_t panel_od_store(struct device *dev,
1687 struct device_attribute *attr,
1688 const char *buf, size_t count)
1693 struct asus_wmi *asus = dev_get_drvdata(dev);
1695 result = kstrtou32(buf, 10, &overdrive);
1702 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, overdrive, &result);
1705 pr_warn("Failed to set panel overdrive: %d\n", err);
1710 pr_warn("Failed to set panel overdrive (result): 0x%x\n", result);
1714 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od");
1718 static DEVICE_ATTR_RW(panel_od);
1720 /* Quirks *********************************************************************/
1722 static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
1724 struct pci_dev *xhci_pdev;
1725 u32 orig_ports_available;
1726 u32 ports_available = asus->driver->quirks->xusb2pr;
1728 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1729 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
1735 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1736 &orig_ports_available);
1738 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1739 cpu_to_le32(ports_available));
1741 pci_dev_put(xhci_pdev);
1743 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
1744 orig_ports_available, ports_available);
1748 * Some devices dont support or have borcken get_als method
1749 * but still support set method.
1751 static void asus_wmi_set_als(void)
1753 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
1756 /* Hwmon device ***************************************************************/
1758 static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
1761 struct agfn_fan_args args = {
1762 .agfn.len = sizeof(args),
1763 .agfn.mfun = ASUS_FAN_MFUN,
1764 .agfn.sfun = ASUS_FAN_SFUN_READ,
1768 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1774 status = asus_wmi_evaluate_method_agfn(input);
1776 if (status || args.agfn.err)
1780 *speed = args.speed;
1785 static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
1788 struct agfn_fan_args args = {
1789 .agfn.len = sizeof(args),
1790 .agfn.mfun = ASUS_FAN_MFUN,
1791 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
1793 .speed = speed ? *speed : 0,
1795 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1798 /* 1: for setting 1st fan's speed 0: setting auto mode */
1799 if (fan != 1 && fan != 0)
1802 status = asus_wmi_evaluate_method_agfn(input);
1804 if (status || args.agfn.err)
1807 if (speed && fan == 1)
1808 asus->agfn_pwm = *speed;
1814 * Check if we can read the speed of one fan. If true we assume we can also
1817 static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus)
1823 status = asus_agfn_fan_speed_read(asus, 1, &speed);
1827 status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1832 * We need to find a better way, probably using sfun,
1834 * Currently we disable it if:
1835 * - ASUS_WMI_UNSUPPORTED_METHOD is returned
1836 * - reverved bits are non-zero
1837 * - sfun and presence bit are not set
1839 return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
1840 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)));
1843 static int asus_fan_set_auto(struct asus_wmi *asus)
1848 switch (asus->fan_type) {
1849 case FAN_TYPE_SPEC83:
1850 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
1860 status = asus_agfn_fan_speed_write(asus, 0, NULL);
1870 * Modern models like the G713 also have GPU fan control (this is not AGFN)
1872 if (asus->gpu_fan_type == FAN_TYPE_SPEC83) {
1873 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
1885 static ssize_t pwm1_show(struct device *dev,
1886 struct device_attribute *attr,
1889 struct asus_wmi *asus = dev_get_drvdata(dev);
1893 /* If we already set a value then just return it */
1894 if (asus->agfn_pwm >= 0)
1895 return sprintf(buf, "%d\n", asus->agfn_pwm);
1898 * If we haven't set already set a value through the AGFN interface,
1899 * we read a current value through the (now-deprecated) FAN_CTRL device.
1901 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1907 if (value == 1) /* Low Speed */
1909 else if (value == 2)
1911 else if (value == 3)
1914 pr_err("Unknown fan speed %#x\n", value);
1918 return sysfs_emit(buf, "%d\n", value);
1921 static ssize_t pwm1_store(struct device *dev,
1922 struct device_attribute *attr,
1923 const char *buf, size_t count) {
1924 struct asus_wmi *asus = dev_get_drvdata(dev);
1929 ret = kstrtouint(buf, 10, &value);
1933 value = clamp(value, 0, 255);
1935 state = asus_agfn_fan_speed_write(asus, 1, &value);
1937 pr_warn("Setting fan speed failed: %d\n", state);
1939 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL;
1944 static ssize_t fan1_input_show(struct device *dev,
1945 struct device_attribute *attr,
1948 struct asus_wmi *asus = dev_get_drvdata(dev);
1952 switch (asus->fan_type) {
1953 case FAN_TYPE_SPEC83:
1954 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL,
1963 /* no speed readable on manual mode */
1964 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL)
1967 ret = asus_agfn_fan_speed_read(asus, 1, &value);
1969 pr_warn("reading fan speed failed: %d\n", ret);
1978 return sysfs_emit(buf, "%d\n", value < 0 ? -1 : value * 100);
1981 static ssize_t pwm1_enable_show(struct device *dev,
1982 struct device_attribute *attr,
1985 struct asus_wmi *asus = dev_get_drvdata(dev);
1988 * Just read back the cached pwm mode.
1990 * For the CPU_FAN device, the spec indicates that we should be
1991 * able to read the device status and consult bit 19 to see if we
1992 * are in Full On or Automatic mode. However, this does not work
1993 * in practice on X532FL at least (the bit is always 0) and there's
1994 * also nothing in the DSDT to indicate that this behaviour exists.
1996 return sysfs_emit(buf, "%d\n", asus->fan_pwm_mode);
1999 static ssize_t pwm1_enable_store(struct device *dev,
2000 struct device_attribute *attr,
2001 const char *buf, size_t count)
2003 struct asus_wmi *asus = dev_get_drvdata(dev);
2010 ret = kstrtouint(buf, 10, &state);
2014 if (asus->fan_type == FAN_TYPE_SPEC83) {
2015 switch (state) { /* standard documented hwmon values */
2016 case ASUS_FAN_CTRL_FULLSPEED:
2019 case ASUS_FAN_CTRL_AUTO:
2026 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
2033 } else if (asus->fan_type == FAN_TYPE_AGFN) {
2035 case ASUS_FAN_CTRL_MANUAL:
2038 case ASUS_FAN_CTRL_AUTO:
2039 status = asus_fan_set_auto(asus);
2049 asus->fan_pwm_mode = state;
2051 /* Must set to disabled if mode is toggled */
2052 if (asus->cpu_fan_curve_available)
2053 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
2054 if (asus->gpu_fan_curve_available)
2055 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
2060 static ssize_t fan1_label_show(struct device *dev,
2061 struct device_attribute *attr,
2064 return sysfs_emit(buf, "%s\n", ASUS_FAN_DESC);
2067 static ssize_t asus_hwmon_temp1(struct device *dev,
2068 struct device_attribute *attr,
2071 struct asus_wmi *asus = dev_get_drvdata(dev);
2075 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
2079 return sprintf(buf, "%ld\n",
2080 deci_kelvin_to_millicelsius(value & 0xFFFF));
2083 /* GPU fan on modern ROG laptops */
2084 static ssize_t fan2_input_show(struct device *dev,
2085 struct device_attribute *attr,
2088 struct asus_wmi *asus = dev_get_drvdata(dev);
2092 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL, &value);
2098 return sysfs_emit(buf, "%d\n", value * 100);
2101 static ssize_t fan2_label_show(struct device *dev,
2102 struct device_attribute *attr,
2105 return sysfs_emit(buf, "%s\n", ASUS_GPU_FAN_DESC);
2108 static ssize_t pwm2_enable_show(struct device *dev,
2109 struct device_attribute *attr,
2112 struct asus_wmi *asus = dev_get_drvdata(dev);
2114 return sysfs_emit(buf, "%d\n", asus->gpu_fan_pwm_mode);
2117 static ssize_t pwm2_enable_store(struct device *dev,
2118 struct device_attribute *attr,
2119 const char *buf, size_t count)
2121 struct asus_wmi *asus = dev_get_drvdata(dev);
2127 ret = kstrtouint(buf, 10, &state);
2131 switch (state) { /* standard documented hwmon values */
2132 case ASUS_FAN_CTRL_FULLSPEED:
2135 case ASUS_FAN_CTRL_AUTO:
2142 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
2150 asus->gpu_fan_pwm_mode = state;
2155 static DEVICE_ATTR_RW(pwm1);
2156 static DEVICE_ATTR_RW(pwm1_enable);
2157 static DEVICE_ATTR_RO(fan1_input);
2158 static DEVICE_ATTR_RO(fan1_label);
2159 /* Fan2 - GPU fan */
2160 static DEVICE_ATTR_RW(pwm2_enable);
2161 static DEVICE_ATTR_RO(fan2_input);
2162 static DEVICE_ATTR_RO(fan2_label);
2165 static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
2167 static struct attribute *hwmon_attributes[] = {
2168 &dev_attr_pwm1.attr,
2169 &dev_attr_pwm1_enable.attr,
2170 &dev_attr_pwm2_enable.attr,
2171 &dev_attr_fan1_input.attr,
2172 &dev_attr_fan1_label.attr,
2173 &dev_attr_fan2_input.attr,
2174 &dev_attr_fan2_label.attr,
2176 &dev_attr_temp1_input.attr,
2180 static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
2181 struct attribute *attr, int idx)
2183 struct device *dev = kobj_to_dev(kobj);
2184 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
2185 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
2187 if (attr == &dev_attr_pwm1.attr) {
2188 if (asus->fan_type != FAN_TYPE_AGFN)
2190 } else if (attr == &dev_attr_fan1_input.attr
2191 || attr == &dev_attr_fan1_label.attr
2192 || attr == &dev_attr_pwm1_enable.attr) {
2193 if (asus->fan_type == FAN_TYPE_NONE)
2195 } else if (attr == &dev_attr_fan2_input.attr
2196 || attr == &dev_attr_fan2_label.attr
2197 || attr == &dev_attr_pwm2_enable.attr) {
2198 if (asus->gpu_fan_type == FAN_TYPE_NONE)
2200 } else if (attr == &dev_attr_temp1_input.attr) {
2201 int err = asus_wmi_get_devstate(asus,
2202 ASUS_WMI_DEVID_THERMAL_CTRL,
2206 return 0; /* can't return negative here */
2209 * If the temperature value in deci-Kelvin is near the absolute
2210 * zero temperature, something is clearly wrong
2212 if (value == 0 || value == 1)
2219 static const struct attribute_group hwmon_attribute_group = {
2220 .is_visible = asus_hwmon_sysfs_is_visible,
2221 .attrs = hwmon_attributes
2223 __ATTRIBUTE_GROUPS(hwmon_attribute);
2225 static int asus_wmi_hwmon_init(struct asus_wmi *asus)
2227 struct device *dev = &asus->platform_device->dev;
2228 struct device *hwmon;
2230 hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
2231 hwmon_attribute_groups);
2233 if (IS_ERR(hwmon)) {
2234 pr_err("Could not register asus hwmon device\n");
2235 return PTR_ERR(hwmon);
2240 static int asus_wmi_fan_init(struct asus_wmi *asus)
2242 asus->gpu_fan_type = FAN_TYPE_NONE;
2243 asus->fan_type = FAN_TYPE_NONE;
2244 asus->agfn_pwm = -1;
2246 if (asus->driver->quirks->wmi_ignore_fan)
2247 asus->fan_type = FAN_TYPE_NONE;
2248 else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
2249 asus->fan_type = FAN_TYPE_SPEC83;
2250 else if (asus_wmi_has_agfn_fan(asus))
2251 asus->fan_type = FAN_TYPE_AGFN;
2253 /* Modern models like G713 also have GPU fan control */
2254 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL))
2255 asus->gpu_fan_type = FAN_TYPE_SPEC83;
2257 if (asus->fan_type == FAN_TYPE_NONE)
2260 asus_fan_set_auto(asus);
2261 asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO;
2265 /* Fan mode *******************************************************************/
2267 static int fan_boost_mode_check_present(struct asus_wmi *asus)
2272 asus->fan_boost_mode_available = false;
2274 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
2283 if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
2284 (result & ASUS_FAN_BOOST_MODES_MASK)) {
2285 asus->fan_boost_mode_available = true;
2286 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
2292 static int fan_boost_mode_write(struct asus_wmi *asus)
2298 value = asus->fan_boost_mode;
2300 pr_info("Set fan boost mode: %u\n", value);
2301 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
2304 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
2308 pr_warn("Failed to set fan boost mode: %d\n", err);
2313 pr_warn("Failed to set fan boost mode (retval): 0x%x\n",
2321 static int fan_boost_mode_switch_next(struct asus_wmi *asus)
2323 u8 mask = asus->fan_boost_mode_mask;
2325 if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) {
2326 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)
2327 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST;
2328 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
2329 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
2330 } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2331 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
2332 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
2334 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
2336 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
2339 return fan_boost_mode_write(asus);
2342 static ssize_t fan_boost_mode_show(struct device *dev,
2343 struct device_attribute *attr, char *buf)
2345 struct asus_wmi *asus = dev_get_drvdata(dev);
2347 return sysfs_emit(buf, "%d\n", asus->fan_boost_mode);
2350 static ssize_t fan_boost_mode_store(struct device *dev,
2351 struct device_attribute *attr,
2352 const char *buf, size_t count)
2354 struct asus_wmi *asus = dev_get_drvdata(dev);
2355 u8 mask = asus->fan_boost_mode_mask;
2359 result = kstrtou8(buf, 10, &new_mode);
2361 pr_warn("Trying to store invalid value\n");
2365 if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2366 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK))
2368 } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) {
2369 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK))
2371 } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) {
2375 asus->fan_boost_mode = new_mode;
2376 fan_boost_mode_write(asus);
2381 // Fan boost mode: 0 - normal, 1 - overboost, 2 - silent
2382 static DEVICE_ATTR_RW(fan_boost_mode);
2384 /* Custom fan curves **********************************************************/
2386 static void fan_curve_copy_from_buf(struct fan_curve_data *data, u8 *buf)
2390 for (i = 0; i < FAN_CURVE_POINTS; i++) {
2391 data->temps[i] = buf[i];
2394 for (i = 0; i < FAN_CURVE_POINTS; i++) {
2396 255 * buf[i + FAN_CURVE_POINTS] / 100;
2400 static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev)
2402 struct fan_curve_data *curves;
2403 u8 buf[FAN_CURVE_BUF_LEN];
2408 if (asus->throttle_thermal_policy_available)
2409 mode = asus->throttle_thermal_policy_mode;
2410 /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */
2416 if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE)
2417 fan_idx = FAN_CURVE_DEV_GPU;
2419 curves = &asus->custom_fan_curves[fan_idx];
2420 err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf,
2423 pr_warn("%s (0x%08x) failed: %d\n", __func__, fan_dev, err);
2427 fan_curve_copy_from_buf(curves, buf);
2428 curves->device_id = fan_dev;
2433 /* Check if capability exists, and populate defaults */
2434 static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
2441 if (asus->fan_type == FAN_TYPE_NONE)
2444 err = fan_curve_get_factory_default(asus, fan_dev);
2453 /* Determine which fan the attribute is for if SENSOR_ATTR */
2454 static struct fan_curve_data *fan_curve_attr_select(struct asus_wmi *asus,
2455 struct device_attribute *attr)
2457 int index = to_sensor_dev_attr(attr)->index;
2459 return &asus->custom_fan_curves[index & FAN_CURVE_DEV_GPU];
2462 /* Determine which fan the attribute is for if SENSOR_ATTR_2 */
2463 static struct fan_curve_data *fan_curve_attr_2_select(struct asus_wmi *asus,
2464 struct device_attribute *attr)
2466 int nr = to_sensor_dev_attr_2(attr)->nr;
2468 return &asus->custom_fan_curves[nr & FAN_CURVE_DEV_GPU];
2471 static ssize_t fan_curve_show(struct device *dev,
2472 struct device_attribute *attr, char *buf)
2474 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
2475 struct asus_wmi *asus = dev_get_drvdata(dev);
2476 struct fan_curve_data *data;
2477 int value, index, nr;
2479 data = fan_curve_attr_2_select(asus, attr);
2480 index = dev_attr->index;
2483 if (nr & FAN_CURVE_PWM_MASK)
2484 value = data->percents[index];
2486 value = data->temps[index];
2488 return sysfs_emit(buf, "%d\n", value);
2492 * "fan_dev" is the related WMI method such as ASUS_WMI_DEVID_CPU_FAN_CURVE.
2494 static int fan_curve_write(struct asus_wmi *asus,
2495 struct fan_curve_data *data)
2497 u32 arg1 = 0, arg2 = 0, arg3 = 0, arg4 = 0;
2498 u8 *percents = data->percents;
2499 u8 *temps = data->temps;
2500 int ret, i, shift = 0;
2505 for (i = 0; i < FAN_CURVE_POINTS / 2; i++) {
2506 arg1 += (temps[i]) << shift;
2507 arg2 += (temps[i + 4]) << shift;
2508 /* Scale to percentage for device */
2509 arg3 += (100 * percents[i] / 255) << shift;
2510 arg4 += (100 * percents[i + 4] / 255) << shift;
2514 return asus_wmi_evaluate_method5(ASUS_WMI_METHODID_DEVS,
2516 arg1, arg2, arg3, arg4, &ret);
2519 static ssize_t fan_curve_store(struct device *dev,
2520 struct device_attribute *attr, const char *buf,
2523 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
2524 struct asus_wmi *asus = dev_get_drvdata(dev);
2525 struct fan_curve_data *data;
2529 int pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
2530 int index = dev_attr->index;
2532 data = fan_curve_attr_2_select(asus, attr);
2534 err = kstrtou8(buf, 10, &value);
2539 data->percents[index] = value;
2541 data->temps[index] = value;
2545 * Mark as disabled so the user has to explicitly enable to apply a
2546 * changed fan curve. This prevents potential lockups from writing out
2547 * many changes as one-write-per-change.
2549 data->enabled = false;
2554 static ssize_t fan_curve_enable_show(struct device *dev,
2555 struct device_attribute *attr, char *buf)
2557 struct asus_wmi *asus = dev_get_drvdata(dev);
2558 struct fan_curve_data *data;
2561 data = fan_curve_attr_select(asus, attr);
2566 return sysfs_emit(buf, "%d\n", out);
2569 static ssize_t fan_curve_enable_store(struct device *dev,
2570 struct device_attribute *attr,
2571 const char *buf, size_t count)
2573 struct asus_wmi *asus = dev_get_drvdata(dev);
2574 struct fan_curve_data *data;
2577 data = fan_curve_attr_select(asus, attr);
2579 err = kstrtoint(buf, 10, &value);
2585 data->enabled = true;
2588 data->enabled = false;
2591 * Auto + reset the fan curve data to defaults. Make it an explicit
2592 * option so that users don't accidentally overwrite a set fan curve.
2595 err = fan_curve_get_factory_default(asus, data->device_id);
2598 data->enabled = false;
2604 if (data->enabled) {
2605 err = fan_curve_write(asus, data);
2610 * For machines with throttle this is the only way to reset fans
2611 * to default mode of operation (does not erase curve data).
2613 if (asus->throttle_thermal_policy_available) {
2614 err = throttle_thermal_policy_write(asus);
2617 /* Similar is true for laptops with this fan */
2618 } else if (asus->fan_type == FAN_TYPE_SPEC83) {
2619 err = asus_fan_set_auto(asus);
2623 /* Safeguard against fautly ACPI tables */
2624 err = fan_curve_get_factory_default(asus, data->device_id);
2627 err = fan_curve_write(asus, data);
2636 static SENSOR_DEVICE_ATTR_RW(pwm1_enable, fan_curve_enable, FAN_CURVE_DEV_CPU);
2637 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_temp, fan_curve,
2638 FAN_CURVE_DEV_CPU, 0);
2639 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_temp, fan_curve,
2640 FAN_CURVE_DEV_CPU, 1);
2641 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_temp, fan_curve,
2642 FAN_CURVE_DEV_CPU, 2);
2643 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_temp, fan_curve,
2644 FAN_CURVE_DEV_CPU, 3);
2645 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_temp, fan_curve,
2646 FAN_CURVE_DEV_CPU, 4);
2647 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_temp, fan_curve,
2648 FAN_CURVE_DEV_CPU, 5);
2649 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_temp, fan_curve,
2650 FAN_CURVE_DEV_CPU, 6);
2651 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_temp, fan_curve,
2652 FAN_CURVE_DEV_CPU, 7);
2654 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_pwm, fan_curve,
2655 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 0);
2656 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_pwm, fan_curve,
2657 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 1);
2658 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_pwm, fan_curve,
2659 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 2);
2660 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_pwm, fan_curve,
2661 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 3);
2662 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_pwm, fan_curve,
2663 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 4);
2664 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_pwm, fan_curve,
2665 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 5);
2666 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_pwm, fan_curve,
2667 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 6);
2668 static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_pwm, fan_curve,
2669 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 7);
2672 static SENSOR_DEVICE_ATTR_RW(pwm2_enable, fan_curve_enable, FAN_CURVE_DEV_GPU);
2673 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_temp, fan_curve,
2674 FAN_CURVE_DEV_GPU, 0);
2675 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_temp, fan_curve,
2676 FAN_CURVE_DEV_GPU, 1);
2677 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_temp, fan_curve,
2678 FAN_CURVE_DEV_GPU, 2);
2679 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_temp, fan_curve,
2680 FAN_CURVE_DEV_GPU, 3);
2681 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_temp, fan_curve,
2682 FAN_CURVE_DEV_GPU, 4);
2683 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_temp, fan_curve,
2684 FAN_CURVE_DEV_GPU, 5);
2685 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_temp, fan_curve,
2686 FAN_CURVE_DEV_GPU, 6);
2687 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_temp, fan_curve,
2688 FAN_CURVE_DEV_GPU, 7);
2690 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_pwm, fan_curve,
2691 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0);
2692 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_pwm, fan_curve,
2693 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1);
2694 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_pwm, fan_curve,
2695 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2);
2696 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_pwm, fan_curve,
2697 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3);
2698 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_pwm, fan_curve,
2699 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4);
2700 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_pwm, fan_curve,
2701 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5);
2702 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve,
2703 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6);
2704 static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve,
2705 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
2707 static struct attribute *asus_fan_curve_attr[] = {
2709 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2710 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
2711 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
2712 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
2713 &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
2714 &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
2715 &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
2716 &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
2717 &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
2718 &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
2719 &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
2720 &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
2721 &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
2722 &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
2723 &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
2724 &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
2725 &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
2727 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
2728 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
2729 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
2730 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
2731 &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
2732 &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr,
2733 &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr,
2734 &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr,
2735 &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr,
2736 &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
2737 &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
2738 &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
2739 &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
2740 &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr,
2741 &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
2742 &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
2743 &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
2747 static umode_t asus_fan_curve_is_visible(struct kobject *kobj,
2748 struct attribute *attr, int idx)
2750 struct device *dev = kobj_to_dev(kobj);
2751 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
2754 * Check the char instead of casting attr as there are two attr types
2755 * involved here (attr1 and attr2)
2757 if (asus->cpu_fan_curve_available && attr->name[3] == '1')
2760 if (asus->gpu_fan_curve_available && attr->name[3] == '2')
2766 static const struct attribute_group asus_fan_curve_attr_group = {
2767 .is_visible = asus_fan_curve_is_visible,
2768 .attrs = asus_fan_curve_attr,
2770 __ATTRIBUTE_GROUPS(asus_fan_curve_attr);
2773 * Must be initialised after throttle_thermal_policy_check_present() as
2774 * we check the status of throttle_thermal_policy_available during init.
2776 static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
2778 struct device *dev = &asus->platform_device->dev;
2779 struct device *hwmon;
2782 err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available,
2783 ASUS_WMI_DEVID_CPU_FAN_CURVE);
2787 err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available,
2788 ASUS_WMI_DEVID_GPU_FAN_CURVE);
2792 if (!asus->cpu_fan_curve_available && !asus->gpu_fan_curve_available)
2795 hwmon = devm_hwmon_device_register_with_groups(
2796 dev, "asus_custom_fan_curve", asus, asus_fan_curve_attr_groups);
2798 if (IS_ERR(hwmon)) {
2800 "Could not register asus_custom_fan_curve device\n");
2801 return PTR_ERR(hwmon);
2807 /* Throttle thermal policy ****************************************************/
2809 static int throttle_thermal_policy_check_present(struct asus_wmi *asus)
2814 asus->throttle_thermal_policy_available = false;
2816 err = asus_wmi_get_devstate(asus,
2817 ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
2825 if (result & ASUS_WMI_DSTS_PRESENCE_BIT)
2826 asus->throttle_thermal_policy_available = true;
2831 static int throttle_thermal_policy_write(struct asus_wmi *asus)
2837 value = asus->throttle_thermal_policy_mode;
2839 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
2842 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
2843 "throttle_thermal_policy");
2846 pr_warn("Failed to set throttle thermal policy: %d\n", err);
2851 pr_warn("Failed to set throttle thermal policy (retval): 0x%x\n",
2856 /* Must set to disabled if mode is toggled */
2857 if (asus->cpu_fan_curve_available)
2858 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
2859 if (asus->gpu_fan_curve_available)
2860 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
2865 static int throttle_thermal_policy_set_default(struct asus_wmi *asus)
2867 if (!asus->throttle_thermal_policy_available)
2870 asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2871 return throttle_thermal_policy_write(asus);
2874 static int throttle_thermal_policy_switch_next(struct asus_wmi *asus)
2876 u8 new_mode = asus->throttle_thermal_policy_mode + 1;
2879 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
2880 new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2882 asus->throttle_thermal_policy_mode = new_mode;
2883 err = throttle_thermal_policy_write(asus);
2888 * Ensure that platform_profile updates userspace with the change to ensure
2889 * that platform_profile and throttle_thermal_policy_mode are in sync.
2891 platform_profile_notify();
2896 static ssize_t throttle_thermal_policy_show(struct device *dev,
2897 struct device_attribute *attr, char *buf)
2899 struct asus_wmi *asus = dev_get_drvdata(dev);
2900 u8 mode = asus->throttle_thermal_policy_mode;
2902 return sysfs_emit(buf, "%d\n", mode);
2905 static ssize_t throttle_thermal_policy_store(struct device *dev,
2906 struct device_attribute *attr,
2907 const char *buf, size_t count)
2909 struct asus_wmi *asus = dev_get_drvdata(dev);
2914 result = kstrtou8(buf, 10, &new_mode);
2918 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
2921 asus->throttle_thermal_policy_mode = new_mode;
2922 err = throttle_thermal_policy_write(asus);
2927 * Ensure that platform_profile updates userspace with the change to ensure
2928 * that platform_profile and throttle_thermal_policy_mode are in sync.
2930 platform_profile_notify();
2935 // Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent
2936 static DEVICE_ATTR_RW(throttle_thermal_policy);
2938 /* Platform profile ***********************************************************/
2939 static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof,
2940 enum platform_profile_option *profile)
2942 struct asus_wmi *asus;
2945 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
2947 tp = asus->throttle_thermal_policy_mode;
2950 case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT:
2951 *profile = PLATFORM_PROFILE_BALANCED;
2953 case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST:
2954 *profile = PLATFORM_PROFILE_PERFORMANCE;
2956 case ASUS_THROTTLE_THERMAL_POLICY_SILENT:
2957 *profile = PLATFORM_PROFILE_QUIET;
2966 static int asus_wmi_platform_profile_set(struct platform_profile_handler *pprof,
2967 enum platform_profile_option profile)
2969 struct asus_wmi *asus;
2972 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
2975 case PLATFORM_PROFILE_PERFORMANCE:
2976 tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST;
2978 case PLATFORM_PROFILE_BALANCED:
2979 tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2981 case PLATFORM_PROFILE_QUIET:
2982 tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT;
2988 asus->throttle_thermal_policy_mode = tp;
2989 return throttle_thermal_policy_write(asus);
2992 static int platform_profile_setup(struct asus_wmi *asus)
2994 struct device *dev = &asus->platform_device->dev;
2998 * Not an error if a component platform_profile relies on is unavailable
2999 * so early return, skipping the setup of platform_profile.
3001 if (!asus->throttle_thermal_policy_available)
3004 dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n");
3006 asus->platform_profile_handler.profile_get = asus_wmi_platform_profile_get;
3007 asus->platform_profile_handler.profile_set = asus_wmi_platform_profile_set;
3009 set_bit(PLATFORM_PROFILE_QUIET, asus->platform_profile_handler.choices);
3010 set_bit(PLATFORM_PROFILE_BALANCED,
3011 asus->platform_profile_handler.choices);
3012 set_bit(PLATFORM_PROFILE_PERFORMANCE,
3013 asus->platform_profile_handler.choices);
3015 err = platform_profile_register(&asus->platform_profile_handler);
3019 asus->platform_profile_support = true;
3023 /* Backlight ******************************************************************/
3025 static int read_backlight_power(struct asus_wmi *asus)
3029 if (asus->driver->quirks->store_backlight_power)
3030 ret = !asus->driver->panel_power;
3032 ret = asus_wmi_get_devstate_simple(asus,
3033 ASUS_WMI_DEVID_BACKLIGHT);
3038 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
3041 static int read_brightness_max(struct asus_wmi *asus)
3046 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3050 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
3059 static int read_brightness(struct backlight_device *bd)
3061 struct asus_wmi *asus = bl_get_data(bd);
3065 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3069 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
3072 static u32 get_scalar_command(struct backlight_device *bd)
3074 struct asus_wmi *asus = bl_get_data(bd);
3077 if ((asus->driver->brightness < bd->props.brightness) ||
3078 bd->props.brightness == bd->props.max_brightness)
3079 ctrl_param = 0x00008001;
3080 else if ((asus->driver->brightness > bd->props.brightness) ||
3081 bd->props.brightness == 0)
3082 ctrl_param = 0x00008000;
3084 asus->driver->brightness = bd->props.brightness;
3089 static int update_bl_status(struct backlight_device *bd)
3091 struct asus_wmi *asus = bl_get_data(bd);
3095 power = read_backlight_power(asus);
3096 if (power != -ENODEV && bd->props.power != power) {
3097 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
3098 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
3100 if (asus->driver->quirks->store_backlight_power)
3101 asus->driver->panel_power = bd->props.power;
3103 /* When using scalar brightness, updating the brightness
3104 * will mess with the backlight power */
3105 if (asus->driver->quirks->scalar_panel_brightness)
3109 if (asus->driver->quirks->scalar_panel_brightness)
3110 ctrl_param = get_scalar_command(bd);
3112 ctrl_param = bd->props.brightness;
3114 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
3120 static const struct backlight_ops asus_wmi_bl_ops = {
3121 .get_brightness = read_brightness,
3122 .update_status = update_bl_status,
3125 static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
3127 struct backlight_device *bd = asus->backlight_device;
3128 int old = bd->props.brightness;
3131 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3132 new = code - NOTIFY_BRNUP_MIN + 1;
3133 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
3134 new = code - NOTIFY_BRNDOWN_MIN;
3136 bd->props.brightness = new;
3137 backlight_update_status(bd);
3138 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
3143 static int asus_wmi_backlight_init(struct asus_wmi *asus)
3145 struct backlight_device *bd;
3146 struct backlight_properties props;
3150 max = read_brightness_max(asus);
3154 power = read_backlight_power(asus);
3155 if (power == -ENODEV)
3156 power = FB_BLANK_UNBLANK;
3160 memset(&props, 0, sizeof(struct backlight_properties));
3161 props.type = BACKLIGHT_PLATFORM;
3162 props.max_brightness = max;
3163 bd = backlight_device_register(asus->driver->name,
3164 &asus->platform_device->dev, asus,
3165 &asus_wmi_bl_ops, &props);
3167 pr_err("Could not register backlight device\n");
3171 asus->backlight_device = bd;
3173 if (asus->driver->quirks->store_backlight_power)
3174 asus->driver->panel_power = power;
3176 bd->props.brightness = read_brightness(bd);
3177 bd->props.power = power;
3178 backlight_update_status(bd);
3180 asus->driver->brightness = bd->props.brightness;
3185 static void asus_wmi_backlight_exit(struct asus_wmi *asus)
3187 backlight_device_unregister(asus->backlight_device);
3189 asus->backlight_device = NULL;
3192 static int is_display_toggle(int code)
3194 /* display toggle keys */
3195 if ((code >= 0x61 && code <= 0x67) ||
3196 (code >= 0x8c && code <= 0x93) ||
3197 (code >= 0xa0 && code <= 0xa7) ||
3198 (code >= 0xd0 && code <= 0xd5))
3204 /* Fn-lock ********************************************************************/
3206 static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
3210 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
3212 return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
3213 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
3216 static void asus_wmi_fnlock_update(struct asus_wmi *asus)
3218 int mode = asus->fnlock_locked;
3220 asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
3223 /* WMI events *****************************************************************/
3225 static int asus_wmi_get_event_code(u32 value)
3227 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
3228 union acpi_object *obj;
3232 status = wmi_get_event_data(value, &response);
3233 if (ACPI_FAILURE(status)) {
3234 pr_warn("Failed to get WMI notify code: %s\n",
3235 acpi_format_exception(status));
3239 obj = (union acpi_object *)response.pointer;
3241 if (obj && obj->type == ACPI_TYPE_INTEGER)
3242 code = (int)(obj->integer.value & WMI_EVENT_MASK);
3250 static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
3252 unsigned int key_value = 1;
3253 bool autorelease = 1;
3254 int orig_code = code;
3256 if (asus->driver->key_filter) {
3257 asus->driver->key_filter(asus->driver, &code, &key_value,
3259 if (code == ASUS_WMI_KEY_IGNORE)
3263 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3264 code = ASUS_WMI_BRN_UP;
3265 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
3266 code = ASUS_WMI_BRN_DOWN;
3268 if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
3269 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
3270 asus_wmi_backlight_notify(asus, orig_code);
3275 if (code == NOTIFY_KBD_BRTUP) {
3276 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
3279 if (code == NOTIFY_KBD_BRTDWN) {
3280 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
3283 if (code == NOTIFY_KBD_BRTTOGGLE) {
3284 if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
3285 kbd_led_set_by_kbd(asus, 0);
3287 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
3291 if (code == NOTIFY_FNLOCK_TOGGLE) {
3292 asus->fnlock_locked = !asus->fnlock_locked;
3293 asus_wmi_fnlock_update(asus);
3297 if (code == asus->tablet_switch_event_code) {
3298 asus_wmi_tablet_mode_get_state(asus);
3302 if (code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_TTP) {
3303 if (asus->fan_boost_mode_available)
3304 fan_boost_mode_switch_next(asus);
3305 if (asus->throttle_thermal_policy_available)
3306 throttle_thermal_policy_switch_next(asus);
3311 if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
3314 if (!sparse_keymap_report_event(asus->inputdev, code,
3315 key_value, autorelease))
3316 pr_info("Unknown key code 0x%x\n", code);
3319 static void asus_wmi_notify(u32 value, void *context)
3321 struct asus_wmi *asus = context;
3325 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
3326 code = asus_wmi_get_event_code(value);
3328 pr_warn("Failed to get notify code: %d\n", code);
3332 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
3335 asus_wmi_handle_event_code(code, asus);
3338 * Double check that queue is present:
3339 * ATK (with queue) uses 0xff, ASUSWMI (without) 0xd2.
3341 if (!asus->wmi_event_queue || value != WMI_EVENT_VALUE_ATK)
3345 pr_warn("Failed to process event queue, last code: 0x%x\n", code);
3348 static int asus_wmi_notify_queue_flush(struct asus_wmi *asus)
3353 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
3354 code = asus_wmi_get_event_code(WMI_EVENT_VALUE_ATK);
3356 pr_warn("Failed to get event during flush: %d\n", code);
3360 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
3364 pr_warn("Failed to flush event queue\n");
3368 /* Sysfs **********************************************************************/
3370 static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
3371 const char *buf, size_t count)
3376 value = asus_wmi_get_devstate_simple(asus, devid);
3380 err = kstrtoint(buf, 0, &value);
3384 err = asus_wmi_set_devstate(devid, value, &retval);
3391 static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
3393 int value = asus_wmi_get_devstate_simple(asus, devid);
3398 return sprintf(buf, "%d\n", value);
3401 #define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
3402 static ssize_t show_##_name(struct device *dev, \
3403 struct device_attribute *attr, \
3406 struct asus_wmi *asus = dev_get_drvdata(dev); \
3408 return show_sys_wmi(asus, _cm, buf); \
3410 static ssize_t store_##_name(struct device *dev, \
3411 struct device_attribute *attr, \
3412 const char *buf, size_t count) \
3414 struct asus_wmi *asus = dev_get_drvdata(dev); \
3416 return store_sys_wmi(asus, _cm, buf, count); \
3418 static struct device_attribute dev_attr_##_name = { \
3420 .name = __stringify(_name), \
3422 .show = show_##_name, \
3423 .store = store_##_name, \
3426 ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
3427 ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
3428 ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
3429 ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
3430 ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
3432 static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
3433 const char *buf, size_t count)
3437 rv = kstrtoint(buf, 0, &value);
3441 if (value < 0 || value > 2)
3444 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
3451 static DEVICE_ATTR_WO(cpufv);
3453 static struct attribute *platform_attributes[] = {
3454 &dev_attr_cpufv.attr,
3455 &dev_attr_camera.attr,
3456 &dev_attr_cardr.attr,
3457 &dev_attr_touchpad.attr,
3458 &dev_attr_egpu_enable.attr,
3459 &dev_attr_dgpu_disable.attr,
3460 &dev_attr_gpu_mux_mode.attr,
3461 &dev_attr_lid_resume.attr,
3462 &dev_attr_als_enable.attr,
3463 &dev_attr_fan_boost_mode.attr,
3464 &dev_attr_throttle_thermal_policy.attr,
3465 &dev_attr_panel_od.attr,
3469 static umode_t asus_sysfs_is_visible(struct kobject *kobj,
3470 struct attribute *attr, int idx)
3472 struct device *dev = kobj_to_dev(kobj);
3473 struct asus_wmi *asus = dev_get_drvdata(dev);
3477 if (attr == &dev_attr_camera.attr)
3478 devid = ASUS_WMI_DEVID_CAMERA;
3479 else if (attr == &dev_attr_cardr.attr)
3480 devid = ASUS_WMI_DEVID_CARDREADER;
3481 else if (attr == &dev_attr_touchpad.attr)
3482 devid = ASUS_WMI_DEVID_TOUCHPAD;
3483 else if (attr == &dev_attr_lid_resume.attr)
3484 devid = ASUS_WMI_DEVID_LID_RESUME;
3485 else if (attr == &dev_attr_als_enable.attr)
3486 devid = ASUS_WMI_DEVID_ALS_ENABLE;
3487 else if (attr == &dev_attr_egpu_enable.attr)
3488 ok = asus->egpu_enable_available;
3489 else if (attr == &dev_attr_dgpu_disable.attr)
3490 ok = asus->dgpu_disable_available;
3491 else if (attr == &dev_attr_gpu_mux_mode.attr)
3492 ok = asus->gpu_mux_mode_available;
3493 else if (attr == &dev_attr_fan_boost_mode.attr)
3494 ok = asus->fan_boost_mode_available;
3495 else if (attr == &dev_attr_throttle_thermal_policy.attr)
3496 ok = asus->throttle_thermal_policy_available;
3497 else if (attr == &dev_attr_panel_od.attr)
3498 ok = asus->panel_overdrive_available;
3501 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
3503 return ok ? attr->mode : 0;
3506 static const struct attribute_group platform_attribute_group = {
3507 .is_visible = asus_sysfs_is_visible,
3508 .attrs = platform_attributes
3511 static void asus_wmi_sysfs_exit(struct platform_device *device)
3513 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
3516 static int asus_wmi_sysfs_init(struct platform_device *device)
3518 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
3521 /* Platform device ************************************************************/
3523 static int asus_wmi_platform_init(struct asus_wmi *asus)
3525 struct device *dev = &asus->platform_device->dev;
3529 /* INIT enable hotkeys on some models */
3530 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
3531 pr_info("Initialization: %#x\n", rv);
3533 /* We don't know yet what to do with this version... */
3534 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
3535 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
3540 * The SFUN method probably allows the original driver to get the list
3541 * of features supported by a given model. For now, 0x0100 or 0x0800
3542 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
3543 * The significance of others is yet to be found.
3545 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
3546 pr_info("SFUN value: %#x\n", rv);
3551 * Eee PC and Notebooks seems to have different method_id for DSTS,
3552 * but it may also be related to the BIOS's SPEC.
3553 * Note, on most Eeepc, there is no way to check if a method exist
3554 * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
3555 * but once again, SPEC may probably be used for that kind of things.
3557 * Additionally at least TUF Gaming series laptops return nothing for
3558 * unknown methods, so the detection in this way is not possible.
3560 * There is strong indication that only ACPI WMI devices that have _UID
3561 * equal to "ASUSWMI" use DCTS whereas those with "ATK" use DSTS.
3563 wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
3567 if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
3568 dev_info(dev, "Detected ASUSWMI, use DCTS\n");
3569 asus->dsts_id = ASUS_WMI_METHODID_DCTS;
3571 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
3572 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
3576 * Some devices can have multiple event codes stored in a queue before
3577 * the module load if it was unloaded intermittently after calling
3578 * the INIT method (enables event handling). The WMI notify handler is
3579 * expected to retrieve all event codes until a retrieved code equals
3580 * queue end marker (One or Ones). Old codes are flushed from the queue
3581 * upon module load. Not enabling this when it should be has minimal
3582 * visible impact so fall back if anything goes wrong.
3584 wmi_uid = wmi_get_acpi_device_uid(asus->driver->event_guid);
3585 if (wmi_uid && !strcmp(wmi_uid, ASUS_ACPI_UID_ATK)) {
3586 dev_info(dev, "Detected ATK, enable event queue\n");
3588 if (!asus_wmi_notify_queue_flush(asus))
3589 asus->wmi_event_queue = true;
3592 /* CWAP allow to define the behavior of the Fn+F2 key,
3593 * this method doesn't seems to be present on Eee PCs */
3594 if (asus->driver->quirks->wapf >= 0)
3595 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
3596 asus->driver->quirks->wapf, NULL);
3601 /* debugfs ********************************************************************/
3603 struct asus_wmi_debugfs_node {
3604 struct asus_wmi *asus;
3606 int (*show) (struct seq_file *m, void *data);
3609 static int show_dsts(struct seq_file *m, void *data)
3611 struct asus_wmi *asus = m->private;
3615 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
3619 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
3624 static int show_devs(struct seq_file *m, void *data)
3626 struct asus_wmi *asus = m->private;
3630 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
3635 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
3636 asus->debug.ctrl_param, retval);
3641 static int show_call(struct seq_file *m, void *data)
3643 struct asus_wmi *asus = m->private;
3644 struct bios_args args = {
3645 .arg0 = asus->debug.dev_id,
3646 .arg1 = asus->debug.ctrl_param,
3648 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
3649 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
3650 union acpi_object *obj;
3653 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
3654 0, asus->debug.method_id,
3657 if (ACPI_FAILURE(status))
3660 obj = (union acpi_object *)output.pointer;
3661 if (obj && obj->type == ACPI_TYPE_INTEGER)
3662 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
3663 asus->debug.dev_id, asus->debug.ctrl_param,
3664 (u32) obj->integer.value);
3666 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
3667 asus->debug.dev_id, asus->debug.ctrl_param,
3668 obj ? obj->type : -1);
3675 static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
3676 {NULL, "devs", show_devs},
3677 {NULL, "dsts", show_dsts},
3678 {NULL, "call", show_call},
3681 static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
3683 struct asus_wmi_debugfs_node *node = inode->i_private;
3685 return single_open(file, node->show, node->asus);
3688 static const struct file_operations asus_wmi_debugfs_io_ops = {
3689 .owner = THIS_MODULE,
3690 .open = asus_wmi_debugfs_open,
3692 .llseek = seq_lseek,
3693 .release = single_release,
3696 static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
3698 debugfs_remove_recursive(asus->debug.root);
3701 static void asus_wmi_debugfs_init(struct asus_wmi *asus)
3705 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
3707 debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
3708 &asus->debug.method_id);
3710 debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
3711 &asus->debug.dev_id);
3713 debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
3714 &asus->debug.ctrl_param);
3716 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
3717 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
3720 debugfs_create_file(node->name, S_IFREG | S_IRUGO,
3721 asus->debug.root, node,
3722 &asus_wmi_debugfs_io_ops);
3726 /* Init / exit ****************************************************************/
3728 static int asus_wmi_add(struct platform_device *pdev)
3730 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
3731 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
3732 struct asus_wmi *asus;
3737 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
3741 asus->driver = wdrv;
3742 asus->platform_device = pdev;
3743 wdrv->platform_device = pdev;
3744 platform_set_drvdata(asus->platform_device, asus);
3746 if (wdrv->detect_quirks)
3747 wdrv->detect_quirks(asus->driver);
3749 err = asus_wmi_platform_init(asus);
3753 asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU);
3754 asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU);
3755 asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX);
3756 asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE);
3757 asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
3758 asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD);
3760 err = fan_boost_mode_check_present(asus);
3762 goto fail_fan_boost_mode;
3764 err = throttle_thermal_policy_check_present(asus);
3766 goto fail_throttle_thermal_policy;
3768 throttle_thermal_policy_set_default(asus);
3770 err = platform_profile_setup(asus);
3772 goto fail_platform_profile_setup;
3774 err = asus_wmi_sysfs_init(asus->platform_device);
3778 err = asus_wmi_input_init(asus);
3782 err = asus_wmi_fan_init(asus); /* probably no problems on error */
3784 err = asus_wmi_hwmon_init(asus);
3788 err = asus_wmi_custom_fan_curve_init(asus);
3790 goto fail_custom_fan_curve;
3792 err = asus_wmi_led_init(asus);
3796 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
3797 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
3798 asus->driver->wlan_ctrl_by_user = 1;
3800 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
3801 err = asus_wmi_rfkill_init(asus);
3806 if (asus->driver->quirks->wmi_force_als_set)
3809 if (asus->driver->quirks->xusb2pr)
3810 asus_wmi_set_xusb2pr(asus);
3812 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
3813 err = asus_wmi_backlight_init(asus);
3814 if (err && err != -ENODEV)
3815 goto fail_backlight;
3816 } else if (asus->driver->quirks->wmi_backlight_set_devstate)
3817 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
3819 if (asus_wmi_has_fnlock_key(asus)) {
3820 asus->fnlock_locked = fnlock_default;
3821 asus_wmi_fnlock_update(asus);
3824 status = wmi_install_notify_handler(asus->driver->event_guid,
3825 asus_wmi_notify, asus);
3826 if (ACPI_FAILURE(status)) {
3827 pr_err("Unable to register notify handler - %d\n", status);
3829 goto fail_wmi_handler;
3832 asus_wmi_battery_init(asus);
3834 asus_wmi_debugfs_init(asus);
3839 asus_wmi_backlight_exit(asus);
3841 asus_wmi_rfkill_exit(asus);
3843 asus_wmi_led_exit(asus);
3846 asus_wmi_input_exit(asus);
3848 asus_wmi_sysfs_exit(asus->platform_device);
3850 fail_throttle_thermal_policy:
3851 fail_custom_fan_curve:
3852 fail_platform_profile_setup:
3853 if (asus->platform_profile_support)
3854 platform_profile_remove();
3855 fail_fan_boost_mode:
3861 static int asus_wmi_remove(struct platform_device *device)
3863 struct asus_wmi *asus;
3865 asus = platform_get_drvdata(device);
3866 wmi_remove_notify_handler(asus->driver->event_guid);
3867 asus_wmi_backlight_exit(asus);
3868 asus_wmi_input_exit(asus);
3869 asus_wmi_led_exit(asus);
3870 asus_wmi_rfkill_exit(asus);
3871 asus_wmi_debugfs_exit(asus);
3872 asus_wmi_sysfs_exit(asus->platform_device);
3873 asus_fan_set_auto(asus);
3874 throttle_thermal_policy_set_default(asus);
3875 asus_wmi_battery_exit(asus);
3877 if (asus->platform_profile_support)
3878 platform_profile_remove();
3884 /* Platform driver - hibernate/resume callbacks *******************************/
3886 static int asus_hotk_thaw(struct device *device)
3888 struct asus_wmi *asus = dev_get_drvdata(device);
3890 if (asus->wlan.rfkill) {
3894 * Work around bios bug - acpi _PTS turns off the wireless led
3895 * during suspend. Normally it restores it on resume, but
3896 * we should kick it ourselves in case hibernation is aborted.
3898 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
3899 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
3905 static int asus_hotk_resume(struct device *device)
3907 struct asus_wmi *asus = dev_get_drvdata(device);
3909 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
3910 kbd_led_update(asus);
3912 if (asus_wmi_has_fnlock_key(asus))
3913 asus_wmi_fnlock_update(asus);
3915 asus_wmi_tablet_mode_get_state(asus);
3919 static int asus_hotk_restore(struct device *device)
3921 struct asus_wmi *asus = dev_get_drvdata(device);
3924 /* Refresh both wlan rfkill state and pci hotplug */
3925 if (asus->wlan.rfkill)
3926 asus_rfkill_hotplug(asus);
3928 if (asus->bluetooth.rfkill) {
3929 bl = !asus_wmi_get_devstate_simple(asus,
3930 ASUS_WMI_DEVID_BLUETOOTH);
3931 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
3933 if (asus->wimax.rfkill) {
3934 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
3935 rfkill_set_sw_state(asus->wimax.rfkill, bl);
3937 if (asus->wwan3g.rfkill) {
3938 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
3939 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
3941 if (asus->gps.rfkill) {
3942 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
3943 rfkill_set_sw_state(asus->gps.rfkill, bl);
3945 if (asus->uwb.rfkill) {
3946 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
3947 rfkill_set_sw_state(asus->uwb.rfkill, bl);
3949 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
3950 kbd_led_update(asus);
3952 if (asus_wmi_has_fnlock_key(asus))
3953 asus_wmi_fnlock_update(asus);
3955 asus_wmi_tablet_mode_get_state(asus);
3959 static const struct dev_pm_ops asus_pm_ops = {
3960 .thaw = asus_hotk_thaw,
3961 .restore = asus_hotk_restore,
3962 .resume = asus_hotk_resume,
3965 /* Registration ***************************************************************/
3967 static int asus_wmi_probe(struct platform_device *pdev)
3969 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
3970 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
3973 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
3974 pr_warn("ASUS Management GUID not found\n");
3978 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
3979 pr_warn("ASUS Event GUID not found\n");
3984 ret = wdrv->probe(pdev);
3989 return asus_wmi_add(pdev);
3994 int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
3996 struct platform_driver *platform_driver;
3997 struct platform_device *platform_device;
4002 platform_driver = &driver->platform_driver;
4003 platform_driver->remove = asus_wmi_remove;
4004 platform_driver->driver.owner = driver->owner;
4005 platform_driver->driver.name = driver->name;
4006 platform_driver->driver.pm = &asus_pm_ops;
4008 platform_device = platform_create_bundle(platform_driver,
4011 if (IS_ERR(platform_device))
4012 return PTR_ERR(platform_device);
4017 EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
4019 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
4021 platform_device_unregister(driver->platform_device);
4022 platform_driver_unregister(&driver->platform_driver);
4025 EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
4027 static int __init asus_wmi_init(void)
4029 pr_info("ASUS WMI generic driver loaded\n");
4033 static void __exit asus_wmi_exit(void)
4035 pr_info("ASUS WMI generic driver unloaded\n");
4038 module_init(asus_wmi_init);
4039 module_exit(asus_wmi_exit);