Loading...
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Asus PC WMI hotkey driver
4 *
5 * Copyright(C) 2010 Intel Corporation.
6 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
7 *
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>
12 */
13
14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15
16#include <linux/acpi.h>
17#include <linux/backlight.h>
18#include <linux/debugfs.h>
19#include <linux/dmi.h>
20#include <linux/fb.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>
40
41#include <acpi/battery.h>
42#include <acpi/video.h>
43
44#include "asus-wmi.h"
45
46MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
47MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
48MODULE_DESCRIPTION("Asus Generic WMI Driver");
49MODULE_LICENSE("GPL");
50
51static bool fnlock_default = true;
52module_param(fnlock_default, bool, 0444);
53
54#define to_asus_wmi_driver(pdrv) \
55 (container_of((pdrv), struct asus_wmi_driver, platform_driver))
56
57#define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
58
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
72
73#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
74
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
80
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
85
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
92
93#define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT 0
94#define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST 1
95#define ASUS_THROTTLE_THERMAL_POLICY_SILENT 2
96
97#define USB_INTEL_XUSB2PR 0xD0
98#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
99
100#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
101#define ASUS_ACPI_UID_ATK "ATK"
102
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
108
109#define WMI_EVENT_MASK 0xFFFF
110
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
117
118static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
119
120static int throttle_thermal_policy_write(struct asus_wmi *);
121
122static bool ashs_present(void)
123{
124 int i = 0;
125 while (ashs_ids[i]) {
126 if (acpi_dev_found(ashs_ids[i++]))
127 return true;
128 }
129 return false;
130}
131
132struct bios_args {
133 u32 arg0;
134 u32 arg1;
135 u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
136 u32 arg3;
137 u32 arg4; /* Some ROG laptops require a full 5 input args */
138 u32 arg5;
139} __packed;
140
141/*
142 * Struct that's used for all methods called via AGFN. Naming is
143 * identically to the AML code.
144 */
145struct agfn_args {
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 */
151} __packed;
152
153/* struct used for calling fan read and write methods */
154struct 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 */
158} __packed;
159
160/*
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
168 */
169struct asus_wmi_debug {
170 struct dentry *root;
171 u32 method_id;
172 u32 dev_id;
173 u32 ctrl_param;
174};
175
176struct asus_rfkill {
177 struct asus_wmi *asus;
178 struct rfkill *rfkill;
179 u32 dev_id;
180};
181
182enum fan_type {
183 FAN_TYPE_NONE = 0,
184 FAN_TYPE_AGFN, /* deprecated on newer platforms */
185 FAN_TYPE_SPEC83, /* starting in Spec 8.3, use CPU_FAN_CTRL */
186};
187
188struct fan_curve_data {
189 bool enabled;
190 u32 device_id;
191 u8 temps[FAN_CURVE_POINTS];
192 u8 percents[FAN_CURVE_POINTS];
193};
194
195struct asus_wmi {
196 int dsts_id;
197 int spec;
198 int sfun;
199 bool wmi_event_queue;
200
201 struct input_dev *inputdev;
202 struct backlight_device *backlight_device;
203 struct platform_device *platform_device;
204
205 struct led_classdev wlan_led;
206 int wlan_led_wk;
207 struct led_classdev tpd_led;
208 int tpd_led_wk;
209 struct led_classdev kbd_led;
210 int kbd_led_wk;
211 struct led_classdev lightbar_led;
212 int lightbar_led_wk;
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;
218
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;
225
226 int tablet_switch_event_code;
227 u32 tablet_switch_dev_id;
228 bool tablet_switch_inverted;
229
230 enum fan_type fan_type;
231 enum fan_type gpu_fan_type;
232 int fan_pwm_mode;
233 int gpu_fan_pwm_mode;
234 int agfn_pwm;
235
236 bool fan_boost_mode_available;
237 u8 fan_boost_mode_mask;
238 u8 fan_boost_mode;
239
240 bool egpu_enable_available;
241 bool dgpu_disable_available;
242 bool gpu_mux_mode_available;
243
244 bool kbd_rgb_mode_available;
245 bool kbd_rgb_state_available;
246
247 bool throttle_thermal_policy_available;
248 u8 throttle_thermal_policy_mode;
249
250 bool cpu_fan_curve_available;
251 bool gpu_fan_curve_available;
252 struct fan_curve_data custom_fan_curves[2];
253
254 struct platform_profile_handler platform_profile_handler;
255 bool platform_profile_support;
256
257 // The RSOC controls the maximum charging percentage.
258 bool battery_rsoc_available;
259
260 bool panel_overdrive_available;
261
262 struct hotplug_slot hotplug_slot;
263 struct mutex hotplug_lock;
264 struct mutex wmi_lock;
265 struct workqueue_struct *hotplug_workqueue;
266 struct work_struct hotplug_work;
267
268 bool fnlock_locked;
269
270 struct asus_wmi_debug debug;
271
272 struct asus_wmi_driver *driver;
273};
274
275/* WMI ************************************************************************/
276
277static int asus_wmi_evaluate_method3(u32 method_id,
278 u32 arg0, u32 arg1, u32 arg2, u32 *retval)
279{
280 struct bios_args args = {
281 .arg0 = arg0,
282 .arg1 = arg1,
283 .arg2 = arg2,
284 };
285 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
286 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
287 acpi_status status;
288 union acpi_object *obj;
289 u32 tmp = 0;
290
291 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
292 &input, &output);
293
294 if (ACPI_FAILURE(status))
295 return -EIO;
296
297 obj = (union acpi_object *)output.pointer;
298 if (obj && obj->type == ACPI_TYPE_INTEGER)
299 tmp = (u32) obj->integer.value;
300
301 if (retval)
302 *retval = tmp;
303
304 kfree(obj);
305
306 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
307 return -ENODEV;
308
309 return 0;
310}
311
312int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
313{
314 return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
315}
316EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
317
318static int asus_wmi_evaluate_method5(u32 method_id,
319 u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 *retval)
320{
321 struct bios_args args = {
322 .arg0 = arg0,
323 .arg1 = arg1,
324 .arg2 = arg2,
325 .arg3 = arg3,
326 .arg4 = arg4,
327 };
328 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
329 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
330 acpi_status status;
331 union acpi_object *obj;
332 u32 tmp = 0;
333
334 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
335 &input, &output);
336
337 if (ACPI_FAILURE(status))
338 return -EIO;
339
340 obj = (union acpi_object *)output.pointer;
341 if (obj && obj->type == ACPI_TYPE_INTEGER)
342 tmp = (u32) obj->integer.value;
343
344 if (retval)
345 *retval = tmp;
346
347 kfree(obj);
348
349 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
350 return -ENODEV;
351
352 return 0;
353}
354
355/*
356 * Returns as an error if the method output is not a buffer. Typically this
357 * means that the method called is unsupported.
358 */
359static int asus_wmi_evaluate_method_buf(u32 method_id,
360 u32 arg0, u32 arg1, u8 *ret_buffer, size_t size)
361{
362 struct bios_args args = {
363 .arg0 = arg0,
364 .arg1 = arg1,
365 .arg2 = 0,
366 };
367 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
368 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
369 acpi_status status;
370 union acpi_object *obj;
371 int err = 0;
372
373 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
374 &input, &output);
375
376 if (ACPI_FAILURE(status))
377 return -EIO;
378
379 obj = (union acpi_object *)output.pointer;
380
381 switch (obj->type) {
382 case ACPI_TYPE_BUFFER:
383 if (obj->buffer.length > size) {
384 err = -ENOSPC;
385 break;
386 }
387 if (obj->buffer.length == 0) {
388 err = -ENODATA;
389 break;
390 }
391
392 memcpy(ret_buffer, obj->buffer.pointer, obj->buffer.length);
393 break;
394 case ACPI_TYPE_INTEGER:
395 err = (u32)obj->integer.value;
396
397 if (err == ASUS_WMI_UNSUPPORTED_METHOD)
398 err = -ENODEV;
399 /*
400 * At least one method returns a 0 with no buffer if no arg
401 * is provided, such as ASUS_WMI_DEVID_CPU_FAN_CURVE
402 */
403 if (err == 0)
404 err = -ENODATA;
405 break;
406 default:
407 err = -ENODATA;
408 break;
409 }
410
411 kfree(obj);
412
413 if (err)
414 return err;
415
416 return 0;
417}
418
419static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
420{
421 struct acpi_buffer input;
422 u64 phys_addr;
423 u32 retval;
424 u32 status;
425
426 /*
427 * Copy to dma capable address otherwise memory corruption occurs as
428 * bios has to be able to access it.
429 */
430 input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL);
431 input.length = args.length;
432 if (!input.pointer)
433 return -ENOMEM;
434 phys_addr = virt_to_phys(input.pointer);
435
436 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
437 phys_addr, 0, &retval);
438 if (!status)
439 memcpy(args.pointer, input.pointer, args.length);
440
441 kfree(input.pointer);
442 if (status)
443 return -ENXIO;
444
445 return retval;
446}
447
448static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
449{
450 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
451}
452
453static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
454 u32 *retval)
455{
456 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
457 ctrl_param, retval);
458}
459
460/* Helper for special devices with magic return codes */
461static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
462 u32 dev_id, u32 mask)
463{
464 u32 retval = 0;
465 int err;
466
467 err = asus_wmi_get_devstate(asus, dev_id, &retval);
468 if (err < 0)
469 return err;
470
471 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
472 return -ENODEV;
473
474 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
475 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
476 return -ENODEV;
477 }
478
479 return retval & mask;
480}
481
482static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
483{
484 return asus_wmi_get_devstate_bits(asus, dev_id,
485 ASUS_WMI_DSTS_STATUS_BIT);
486}
487
488static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
489{
490 u32 retval;
491 int status = asus_wmi_get_devstate(asus, dev_id, &retval);
492
493 return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
494}
495
496/* Input **********************************************************************/
497static void asus_wmi_tablet_sw_report(struct asus_wmi *asus, bool value)
498{
499 input_report_switch(asus->inputdev, SW_TABLET_MODE,
500 asus->tablet_switch_inverted ? !value : value);
501 input_sync(asus->inputdev);
502}
503
504static void asus_wmi_tablet_sw_init(struct asus_wmi *asus, u32 dev_id, int event_code)
505{
506 struct device *dev = &asus->platform_device->dev;
507 int result;
508
509 result = asus_wmi_get_devstate_simple(asus, dev_id);
510 if (result >= 0) {
511 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
512 asus_wmi_tablet_sw_report(asus, result);
513 asus->tablet_switch_dev_id = dev_id;
514 asus->tablet_switch_event_code = event_code;
515 } else if (result == -ENODEV) {
516 dev_err(dev, "This device has tablet-mode-switch quirk but got ENODEV checking it. This is a bug.");
517 } else {
518 dev_err(dev, "Error checking for tablet-mode-switch: %d\n", result);
519 }
520}
521
522static int asus_wmi_input_init(struct asus_wmi *asus)
523{
524 struct device *dev = &asus->platform_device->dev;
525 int err;
526
527 asus->inputdev = input_allocate_device();
528 if (!asus->inputdev)
529 return -ENOMEM;
530
531 asus->inputdev->name = asus->driver->input_name;
532 asus->inputdev->phys = asus->driver->input_phys;
533 asus->inputdev->id.bustype = BUS_HOST;
534 asus->inputdev->dev.parent = dev;
535 set_bit(EV_REP, asus->inputdev->evbit);
536
537 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
538 if (err)
539 goto err_free_dev;
540
541 switch (asus->driver->quirks->tablet_switch_mode) {
542 case asus_wmi_no_tablet_switch:
543 break;
544 case asus_wmi_kbd_dock_devid:
545 asus->tablet_switch_inverted = true;
546 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_KBD_DOCK, NOTIFY_KBD_DOCK_CHANGE);
547 break;
548 case asus_wmi_lid_flip_devid:
549 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP, NOTIFY_LID_FLIP);
550 break;
551 case asus_wmi_lid_flip_rog_devid:
552 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP_ROG, NOTIFY_LID_FLIP_ROG);
553 break;
554 }
555
556 err = input_register_device(asus->inputdev);
557 if (err)
558 goto err_free_dev;
559
560 return 0;
561
562err_free_dev:
563 input_free_device(asus->inputdev);
564 return err;
565}
566
567static void asus_wmi_input_exit(struct asus_wmi *asus)
568{
569 if (asus->inputdev)
570 input_unregister_device(asus->inputdev);
571
572 asus->inputdev = NULL;
573}
574
575/* Tablet mode ****************************************************************/
576
577static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus)
578{
579 int result;
580
581 if (!asus->tablet_switch_dev_id)
582 return;
583
584 result = asus_wmi_get_devstate_simple(asus, asus->tablet_switch_dev_id);
585 if (result >= 0)
586 asus_wmi_tablet_sw_report(asus, result);
587}
588
589/* dGPU ********************************************************************/
590static ssize_t dgpu_disable_show(struct device *dev,
591 struct device_attribute *attr, char *buf)
592{
593 struct asus_wmi *asus = dev_get_drvdata(dev);
594 int result;
595
596 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
597 if (result < 0)
598 return result;
599
600 return sysfs_emit(buf, "%d\n", result);
601}
602
603/*
604 * A user may be required to store the value twice, typcial store first, then
605 * rescan PCI bus to activate power, then store a second time to save correctly.
606 * The reason for this is that an extra code path in the ACPI is enabled when
607 * the device and bus are powered.
608 */
609static ssize_t dgpu_disable_store(struct device *dev,
610 struct device_attribute *attr,
611 const char *buf, size_t count)
612{
613 int result, err;
614 u32 disable;
615
616 struct asus_wmi *asus = dev_get_drvdata(dev);
617
618 result = kstrtou32(buf, 10, &disable);
619 if (result)
620 return result;
621
622 if (disable > 1)
623 return -EINVAL;
624
625 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, disable, &result);
626 if (err) {
627 pr_warn("Failed to set dgpu disable: %d\n", err);
628 return err;
629 }
630
631 if (result > 1) {
632 pr_warn("Failed to set dgpu disable (result): 0x%x\n", result);
633 return -EIO;
634 }
635
636 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable");
637
638 return count;
639}
640static DEVICE_ATTR_RW(dgpu_disable);
641
642/* eGPU ********************************************************************/
643static ssize_t egpu_enable_show(struct device *dev,
644 struct device_attribute *attr, char *buf)
645{
646 struct asus_wmi *asus = dev_get_drvdata(dev);
647 int result;
648
649 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
650 if (result < 0)
651 return result;
652
653 return sysfs_emit(buf, "%d\n", result);
654}
655
656/* The ACPI call to enable the eGPU also disables the internal dGPU */
657static ssize_t egpu_enable_store(struct device *dev,
658 struct device_attribute *attr,
659 const char *buf, size_t count)
660{
661 int result, err;
662 u32 enable;
663
664 struct asus_wmi *asus = dev_get_drvdata(dev);
665
666 err = kstrtou32(buf, 10, &enable);
667 if (err)
668 return err;
669
670 if (enable > 1)
671 return -EINVAL;
672
673 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result);
674 if (err) {
675 pr_warn("Failed to set egpu disable: %d\n", err);
676 return err;
677 }
678
679 if (result > 1) {
680 pr_warn("Failed to set egpu disable (retval): 0x%x\n", result);
681 return -EIO;
682 }
683
684 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
685
686 return count;
687}
688static DEVICE_ATTR_RW(egpu_enable);
689
690/* gpu mux switch *************************************************************/
691static ssize_t gpu_mux_mode_show(struct device *dev,
692 struct device_attribute *attr, char *buf)
693{
694 struct asus_wmi *asus = dev_get_drvdata(dev);
695 int result;
696
697 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
698 if (result < 0)
699 return result;
700
701 return sysfs_emit(buf, "%d\n", result);
702}
703
704static ssize_t gpu_mux_mode_store(struct device *dev,
705 struct device_attribute *attr,
706 const char *buf, size_t count)
707{
708 struct asus_wmi *asus = dev_get_drvdata(dev);
709 int result, err;
710 u32 optimus;
711
712 err = kstrtou32(buf, 10, &optimus);
713 if (err)
714 return err;
715
716 if (optimus > 1)
717 return -EINVAL;
718
719 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result);
720 if (err) {
721 dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
722 return err;
723 }
724 /* !1 is considered a fail by ASUS */
725 if (result != 1) {
726 dev_warn(dev, "Failed to set GPU MUX mode (result): 0x%x\n", result);
727 return -EIO;
728 }
729
730 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "gpu_mux_mode");
731
732 return count;
733}
734static DEVICE_ATTR_RW(gpu_mux_mode);
735
736/* TUF Laptop Keyboard RGB Modes **********************************************/
737static ssize_t kbd_rgb_mode_store(struct device *dev,
738 struct device_attribute *attr,
739 const char *buf, size_t count)
740{
741 u32 cmd, mode, r, g, b, speed;
742 int err;
743
744 if (sscanf(buf, "%d %d %d %d %d %d", &cmd, &mode, &r, &g, &b, &speed) != 6)
745 return -EINVAL;
746
747 cmd = !!cmd;
748
749 /* These are the known usable modes across all TUF/ROG */
750 if (mode >= 12 || mode == 9)
751 mode = 10;
752
753 switch (speed) {
754 case 0:
755 speed = 0xe1;
756 break;
757 case 1:
758 speed = 0xeb;
759 break;
760 case 2:
761 speed = 0xf5;
762 break;
763 default:
764 speed = 0xeb;
765 }
766
767 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE,
768 cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL);
769 if (err)
770 return err;
771
772 return count;
773}
774static DEVICE_ATTR_WO(kbd_rgb_mode);
775
776static ssize_t kbd_rgb_mode_index_show(struct device *device,
777 struct device_attribute *attr,
778 char *buf)
779{
780 return sysfs_emit(buf, "%s\n", "cmd mode red green blue speed");
781}
782static DEVICE_ATTR_RO(kbd_rgb_mode_index);
783
784static struct attribute *kbd_rgb_mode_attrs[] = {
785 &dev_attr_kbd_rgb_mode.attr,
786 &dev_attr_kbd_rgb_mode_index.attr,
787 NULL,
788};
789
790static const struct attribute_group kbd_rgb_mode_group = {
791 .attrs = kbd_rgb_mode_attrs,
792};
793
794/* TUF Laptop Keyboard RGB State **********************************************/
795static ssize_t kbd_rgb_state_store(struct device *dev,
796 struct device_attribute *attr,
797 const char *buf, size_t count)
798{
799 u32 flags, cmd, boot, awake, sleep, keyboard;
800 int err;
801
802 if (sscanf(buf, "%d %d %d %d %d", &cmd, &boot, &awake, &sleep, &keyboard) != 5)
803 return -EINVAL;
804
805 if (cmd)
806 cmd = BIT(2);
807
808 flags = 0;
809 if (boot)
810 flags |= BIT(1);
811 if (awake)
812 flags |= BIT(3);
813 if (sleep)
814 flags |= BIT(5);
815 if (keyboard)
816 flags |= BIT(7);
817
818 /* 0xbd is the required default arg0 for the method. Nothing happens otherwise */
819 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS,
820 ASUS_WMI_DEVID_TUF_RGB_STATE, 0xbd | cmd << 8 | (flags << 16), 0, NULL);
821 if (err)
822 return err;
823
824 return count;
825}
826static DEVICE_ATTR_WO(kbd_rgb_state);
827
828static ssize_t kbd_rgb_state_index_show(struct device *device,
829 struct device_attribute *attr,
830 char *buf)
831{
832 return sysfs_emit(buf, "%s\n", "cmd boot awake sleep keyboard");
833}
834static DEVICE_ATTR_RO(kbd_rgb_state_index);
835
836static struct attribute *kbd_rgb_state_attrs[] = {
837 &dev_attr_kbd_rgb_state.attr,
838 &dev_attr_kbd_rgb_state_index.attr,
839 NULL,
840};
841
842static const struct attribute_group kbd_rgb_state_group = {
843 .attrs = kbd_rgb_state_attrs,
844};
845
846static const struct attribute_group *kbd_rgb_mode_groups[] = {
847 NULL,
848 NULL,
849 NULL,
850};
851
852/* Battery ********************************************************************/
853
854/* The battery maximum charging percentage */
855static int charge_end_threshold;
856
857static ssize_t charge_control_end_threshold_store(struct device *dev,
858 struct device_attribute *attr,
859 const char *buf, size_t count)
860{
861 int value, ret, rv;
862
863 ret = kstrtouint(buf, 10, &value);
864 if (ret)
865 return ret;
866
867 if (value < 0 || value > 100)
868 return -EINVAL;
869
870 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv);
871 if (ret)
872 return ret;
873
874 if (rv != 1)
875 return -EIO;
876
877 /* There isn't any method in the DSDT to read the threshold, so we
878 * save the threshold.
879 */
880 charge_end_threshold = value;
881 return count;
882}
883
884static ssize_t charge_control_end_threshold_show(struct device *device,
885 struct device_attribute *attr,
886 char *buf)
887{
888 return sysfs_emit(buf, "%d\n", charge_end_threshold);
889}
890
891static DEVICE_ATTR_RW(charge_control_end_threshold);
892
893static int asus_wmi_battery_add(struct power_supply *battery, struct acpi_battery_hook *hook)
894{
895 /* The WMI method does not provide a way to specific a battery, so we
896 * just assume it is the first battery.
897 * Note: On some newer ASUS laptops (Zenbook UM431DA), the primary/first
898 * battery is named BATT.
899 */
900 if (strcmp(battery->desc->name, "BAT0") != 0 &&
901 strcmp(battery->desc->name, "BAT1") != 0 &&
902 strcmp(battery->desc->name, "BATC") != 0 &&
903 strcmp(battery->desc->name, "BATT") != 0)
904 return -ENODEV;
905
906 if (device_create_file(&battery->dev,
907 &dev_attr_charge_control_end_threshold))
908 return -ENODEV;
909
910 /* The charge threshold is only reset when the system is power cycled,
911 * and we can't get the current threshold so let set it to 100% when
912 * a battery is added.
913 */
914 asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL);
915 charge_end_threshold = 100;
916
917 return 0;
918}
919
920static int asus_wmi_battery_remove(struct power_supply *battery, struct acpi_battery_hook *hook)
921{
922 device_remove_file(&battery->dev,
923 &dev_attr_charge_control_end_threshold);
924 return 0;
925}
926
927static struct acpi_battery_hook battery_hook = {
928 .add_battery = asus_wmi_battery_add,
929 .remove_battery = asus_wmi_battery_remove,
930 .name = "ASUS Battery Extension",
931};
932
933static void asus_wmi_battery_init(struct asus_wmi *asus)
934{
935 asus->battery_rsoc_available = false;
936 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
937 asus->battery_rsoc_available = true;
938 battery_hook_register(&battery_hook);
939 }
940}
941
942static void asus_wmi_battery_exit(struct asus_wmi *asus)
943{
944 if (asus->battery_rsoc_available)
945 battery_hook_unregister(&battery_hook);
946}
947
948/* LEDs ***********************************************************************/
949
950/*
951 * These functions actually update the LED's, and are called from a
952 * workqueue. By doing this as separate work rather than when the LED
953 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
954 * potentially bad time, such as a timer interrupt.
955 */
956static void tpd_led_update(struct work_struct *work)
957{
958 int ctrl_param;
959 struct asus_wmi *asus;
960
961 asus = container_of(work, struct asus_wmi, tpd_led_work);
962
963 ctrl_param = asus->tpd_led_wk;
964 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
965}
966
967static void tpd_led_set(struct led_classdev *led_cdev,
968 enum led_brightness value)
969{
970 struct asus_wmi *asus;
971
972 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
973
974 asus->tpd_led_wk = !!value;
975 queue_work(asus->led_workqueue, &asus->tpd_led_work);
976}
977
978static int read_tpd_led_state(struct asus_wmi *asus)
979{
980 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
981}
982
983static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
984{
985 struct asus_wmi *asus;
986
987 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
988
989 return read_tpd_led_state(asus);
990}
991
992static void kbd_led_update(struct asus_wmi *asus)
993{
994 int ctrl_param = 0;
995
996 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
997 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
998}
999
1000static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
1001{
1002 int retval;
1003
1004 /*
1005 * bits 0-2: level
1006 * bit 7: light on/off
1007 * bit 8-10: environment (0: dark, 1: normal, 2: light)
1008 * bit 17: status unknown
1009 */
1010 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
1011 0xFFFF);
1012
1013 /* Unknown status is considered as off */
1014 if (retval == 0x8000)
1015 retval = 0;
1016
1017 if (retval < 0)
1018 return retval;
1019
1020 if (level)
1021 *level = retval & 0x7F;
1022 if (env)
1023 *env = (retval >> 8) & 0x7F;
1024 return 0;
1025}
1026
1027static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
1028{
1029 struct asus_wmi *asus;
1030 int max_level;
1031
1032 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1033 max_level = asus->kbd_led.max_brightness;
1034
1035 asus->kbd_led_wk = clamp_val(value, 0, max_level);
1036 kbd_led_update(asus);
1037}
1038
1039static void kbd_led_set(struct led_classdev *led_cdev,
1040 enum led_brightness value)
1041{
1042 /* Prevent disabling keyboard backlight on module unregister */
1043 if (led_cdev->flags & LED_UNREGISTERING)
1044 return;
1045
1046 do_kbd_led_set(led_cdev, value);
1047}
1048
1049static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value)
1050{
1051 struct led_classdev *led_cdev = &asus->kbd_led;
1052
1053 do_kbd_led_set(led_cdev, value);
1054 led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk);
1055}
1056
1057static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
1058{
1059 struct asus_wmi *asus;
1060 int retval, value;
1061
1062 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1063
1064 retval = kbd_led_read(asus, &value, NULL);
1065 if (retval < 0)
1066 return retval;
1067
1068 return value;
1069}
1070
1071static int wlan_led_unknown_state(struct asus_wmi *asus)
1072{
1073 u32 result;
1074
1075 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1076
1077 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
1078}
1079
1080static void wlan_led_update(struct work_struct *work)
1081{
1082 int ctrl_param;
1083 struct asus_wmi *asus;
1084
1085 asus = container_of(work, struct asus_wmi, wlan_led_work);
1086
1087 ctrl_param = asus->wlan_led_wk;
1088 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
1089}
1090
1091static void wlan_led_set(struct led_classdev *led_cdev,
1092 enum led_brightness value)
1093{
1094 struct asus_wmi *asus;
1095
1096 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1097
1098 asus->wlan_led_wk = !!value;
1099 queue_work(asus->led_workqueue, &asus->wlan_led_work);
1100}
1101
1102static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
1103{
1104 struct asus_wmi *asus;
1105 u32 result;
1106
1107 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1108 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1109
1110 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
1111}
1112
1113static void lightbar_led_update(struct work_struct *work)
1114{
1115 struct asus_wmi *asus;
1116 int ctrl_param;
1117
1118 asus = container_of(work, struct asus_wmi, lightbar_led_work);
1119
1120 ctrl_param = asus->lightbar_led_wk;
1121 asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL);
1122}
1123
1124static void lightbar_led_set(struct led_classdev *led_cdev,
1125 enum led_brightness value)
1126{
1127 struct asus_wmi *asus;
1128
1129 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1130
1131 asus->lightbar_led_wk = !!value;
1132 queue_work(asus->led_workqueue, &asus->lightbar_led_work);
1133}
1134
1135static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
1136{
1137 struct asus_wmi *asus;
1138 u32 result;
1139
1140 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1141 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
1142
1143 return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
1144}
1145
1146static int micmute_led_set(struct led_classdev *led_cdev,
1147 enum led_brightness brightness)
1148{
1149 int state = brightness != LED_OFF;
1150 int err;
1151
1152 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL);
1153 return err < 0 ? err : 0;
1154}
1155
1156static void asus_wmi_led_exit(struct asus_wmi *asus)
1157{
1158 led_classdev_unregister(&asus->kbd_led);
1159 led_classdev_unregister(&asus->tpd_led);
1160 led_classdev_unregister(&asus->wlan_led);
1161 led_classdev_unregister(&asus->lightbar_led);
1162 led_classdev_unregister(&asus->micmute_led);
1163
1164 if (asus->led_workqueue)
1165 destroy_workqueue(asus->led_workqueue);
1166}
1167
1168static int asus_wmi_led_init(struct asus_wmi *asus)
1169{
1170 int rv = 0, num_rgb_groups = 0, led_val;
1171
1172 if (asus->kbd_rgb_mode_available)
1173 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group;
1174 if (asus->kbd_rgb_state_available)
1175 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group;
1176
1177 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
1178 if (!asus->led_workqueue)
1179 return -ENOMEM;
1180
1181 if (read_tpd_led_state(asus) >= 0) {
1182 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
1183
1184 asus->tpd_led.name = "asus::touchpad";
1185 asus->tpd_led.brightness_set = tpd_led_set;
1186 asus->tpd_led.brightness_get = tpd_led_get;
1187 asus->tpd_led.max_brightness = 1;
1188
1189 rv = led_classdev_register(&asus->platform_device->dev,
1190 &asus->tpd_led);
1191 if (rv)
1192 goto error;
1193 }
1194
1195 if (!kbd_led_read(asus, &led_val, NULL)) {
1196 asus->kbd_led_wk = led_val;
1197 asus->kbd_led.name = "asus::kbd_backlight";
1198 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
1199 asus->kbd_led.brightness_set = kbd_led_set;
1200 asus->kbd_led.brightness_get = kbd_led_get;
1201 asus->kbd_led.max_brightness = 3;
1202
1203 if (num_rgb_groups != 0)
1204 asus->kbd_led.groups = kbd_rgb_mode_groups;
1205
1206 rv = led_classdev_register(&asus->platform_device->dev,
1207 &asus->kbd_led);
1208 if (rv)
1209 goto error;
1210 }
1211
1212 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
1213 && (asus->driver->quirks->wapf > 0)) {
1214 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
1215
1216 asus->wlan_led.name = "asus::wlan";
1217 asus->wlan_led.brightness_set = wlan_led_set;
1218 if (!wlan_led_unknown_state(asus))
1219 asus->wlan_led.brightness_get = wlan_led_get;
1220 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
1221 asus->wlan_led.max_brightness = 1;
1222 asus->wlan_led.default_trigger = "asus-wlan";
1223
1224 rv = led_classdev_register(&asus->platform_device->dev,
1225 &asus->wlan_led);
1226 if (rv)
1227 goto error;
1228 }
1229
1230 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
1231 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
1232
1233 asus->lightbar_led.name = "asus::lightbar";
1234 asus->lightbar_led.brightness_set = lightbar_led_set;
1235 asus->lightbar_led.brightness_get = lightbar_led_get;
1236 asus->lightbar_led.max_brightness = 1;
1237
1238 rv = led_classdev_register(&asus->platform_device->dev,
1239 &asus->lightbar_led);
1240 }
1241
1242 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) {
1243 asus->micmute_led.name = "platform::micmute";
1244 asus->micmute_led.max_brightness = 1;
1245 asus->micmute_led.brightness = ledtrig_audio_get(LED_AUDIO_MICMUTE);
1246 asus->micmute_led.brightness_set_blocking = micmute_led_set;
1247 asus->micmute_led.default_trigger = "audio-micmute";
1248
1249 rv = led_classdev_register(&asus->platform_device->dev,
1250 &asus->micmute_led);
1251 if (rv)
1252 goto error;
1253 }
1254
1255error:
1256 if (rv)
1257 asus_wmi_led_exit(asus);
1258
1259 return rv;
1260}
1261
1262/* RF *************************************************************************/
1263
1264/*
1265 * PCI hotplug (for wlan rfkill)
1266 */
1267static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
1268{
1269 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1270
1271 if (result < 0)
1272 return false;
1273 return !result;
1274}
1275
1276static void asus_rfkill_hotplug(struct asus_wmi *asus)
1277{
1278 struct pci_dev *dev;
1279 struct pci_bus *bus;
1280 bool blocked;
1281 bool absent;
1282 u32 l;
1283
1284 mutex_lock(&asus->wmi_lock);
1285 blocked = asus_wlan_rfkill_blocked(asus);
1286 mutex_unlock(&asus->wmi_lock);
1287
1288 mutex_lock(&asus->hotplug_lock);
1289 pci_lock_rescan_remove();
1290
1291 if (asus->wlan.rfkill)
1292 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
1293
1294 if (asus->hotplug_slot.ops) {
1295 bus = pci_find_bus(0, 1);
1296 if (!bus) {
1297 pr_warn("Unable to find PCI bus 1?\n");
1298 goto out_unlock;
1299 }
1300
1301 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
1302 pr_err("Unable to read PCI config space?\n");
1303 goto out_unlock;
1304 }
1305 absent = (l == 0xffffffff);
1306
1307 if (blocked != absent) {
1308 pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n",
1309 blocked ? "blocked" : "unblocked",
1310 absent ? "absent" : "present");
1311 pr_warn("skipped wireless hotplug as probably inappropriate for this model\n");
1312 goto out_unlock;
1313 }
1314
1315 if (!blocked) {
1316 dev = pci_get_slot(bus, 0);
1317 if (dev) {
1318 /* Device already present */
1319 pci_dev_put(dev);
1320 goto out_unlock;
1321 }
1322 dev = pci_scan_single_device(bus, 0);
1323 if (dev) {
1324 pci_bus_assign_resources(bus);
1325 pci_bus_add_device(dev);
1326 }
1327 } else {
1328 dev = pci_get_slot(bus, 0);
1329 if (dev) {
1330 pci_stop_and_remove_bus_device(dev);
1331 pci_dev_put(dev);
1332 }
1333 }
1334 }
1335
1336out_unlock:
1337 pci_unlock_rescan_remove();
1338 mutex_unlock(&asus->hotplug_lock);
1339}
1340
1341static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
1342{
1343 struct asus_wmi *asus = data;
1344
1345 if (event != ACPI_NOTIFY_BUS_CHECK)
1346 return;
1347
1348 /*
1349 * We can't call directly asus_rfkill_hotplug because most
1350 * of the time WMBC is still being executed and not reetrant.
1351 * There is currently no way to tell ACPICA that we want this
1352 * method to be serialized, we schedule a asus_rfkill_hotplug
1353 * call later, in a safer context.
1354 */
1355 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
1356}
1357
1358static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
1359{
1360 acpi_status status;
1361 acpi_handle handle;
1362
1363 status = acpi_get_handle(NULL, node, &handle);
1364 if (ACPI_FAILURE(status))
1365 return -ENODEV;
1366
1367 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1368 asus_rfkill_notify, asus);
1369 if (ACPI_FAILURE(status))
1370 pr_warn("Failed to register notify on %s\n", node);
1371
1372 return 0;
1373}
1374
1375static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
1376{
1377 acpi_status status = AE_OK;
1378 acpi_handle handle;
1379
1380 status = acpi_get_handle(NULL, node, &handle);
1381 if (ACPI_FAILURE(status))
1382 return;
1383
1384 status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1385 asus_rfkill_notify);
1386 if (ACPI_FAILURE(status))
1387 pr_err("Error removing rfkill notify handler %s\n", node);
1388}
1389
1390static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
1391 u8 *value)
1392{
1393 struct asus_wmi *asus = container_of(hotplug_slot,
1394 struct asus_wmi, hotplug_slot);
1395 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1396
1397 if (result < 0)
1398 return result;
1399
1400 *value = !!result;
1401 return 0;
1402}
1403
1404static const struct hotplug_slot_ops asus_hotplug_slot_ops = {
1405 .get_adapter_status = asus_get_adapter_status,
1406 .get_power_status = asus_get_adapter_status,
1407};
1408
1409static void asus_hotplug_work(struct work_struct *work)
1410{
1411 struct asus_wmi *asus;
1412
1413 asus = container_of(work, struct asus_wmi, hotplug_work);
1414 asus_rfkill_hotplug(asus);
1415}
1416
1417static int asus_setup_pci_hotplug(struct asus_wmi *asus)
1418{
1419 int ret = -ENOMEM;
1420 struct pci_bus *bus = pci_find_bus(0, 1);
1421
1422 if (!bus) {
1423 pr_err("Unable to find wifi PCI bus\n");
1424 return -ENODEV;
1425 }
1426
1427 asus->hotplug_workqueue =
1428 create_singlethread_workqueue("hotplug_workqueue");
1429 if (!asus->hotplug_workqueue)
1430 goto error_workqueue;
1431
1432 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
1433
1434 asus->hotplug_slot.ops = &asus_hotplug_slot_ops;
1435
1436 ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi");
1437 if (ret) {
1438 pr_err("Unable to register hotplug slot - %d\n", ret);
1439 goto error_register;
1440 }
1441
1442 return 0;
1443
1444error_register:
1445 asus->hotplug_slot.ops = NULL;
1446 destroy_workqueue(asus->hotplug_workqueue);
1447error_workqueue:
1448 return ret;
1449}
1450
1451/*
1452 * Rfkill devices
1453 */
1454static int asus_rfkill_set(void *data, bool blocked)
1455{
1456 struct asus_rfkill *priv = data;
1457 u32 ctrl_param = !blocked;
1458 u32 dev_id = priv->dev_id;
1459
1460 /*
1461 * If the user bit is set, BIOS can't set and record the wlan status,
1462 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
1463 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
1464 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
1465 * while setting the wlan status through WMI.
1466 * This is also the behavior that windows app will do.
1467 */
1468 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1469 priv->asus->driver->wlan_ctrl_by_user)
1470 dev_id = ASUS_WMI_DEVID_WLAN_LED;
1471
1472 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
1473}
1474
1475static void asus_rfkill_query(struct rfkill *rfkill, void *data)
1476{
1477 struct asus_rfkill *priv = data;
1478 int result;
1479
1480 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
1481
1482 if (result < 0)
1483 return;
1484
1485 rfkill_set_sw_state(priv->rfkill, !result);
1486}
1487
1488static int asus_rfkill_wlan_set(void *data, bool blocked)
1489{
1490 struct asus_rfkill *priv = data;
1491 struct asus_wmi *asus = priv->asus;
1492 int ret;
1493
1494 /*
1495 * This handler is enabled only if hotplug is enabled.
1496 * In this case, the asus_wmi_set_devstate() will
1497 * trigger a wmi notification and we need to wait
1498 * this call to finish before being able to call
1499 * any wmi method
1500 */
1501 mutex_lock(&asus->wmi_lock);
1502 ret = asus_rfkill_set(data, blocked);
1503 mutex_unlock(&asus->wmi_lock);
1504 return ret;
1505}
1506
1507static const struct rfkill_ops asus_rfkill_wlan_ops = {
1508 .set_block = asus_rfkill_wlan_set,
1509 .query = asus_rfkill_query,
1510};
1511
1512static const struct rfkill_ops asus_rfkill_ops = {
1513 .set_block = asus_rfkill_set,
1514 .query = asus_rfkill_query,
1515};
1516
1517static int asus_new_rfkill(struct asus_wmi *asus,
1518 struct asus_rfkill *arfkill,
1519 const char *name, enum rfkill_type type, int dev_id)
1520{
1521 int result = asus_wmi_get_devstate_simple(asus, dev_id);
1522 struct rfkill **rfkill = &arfkill->rfkill;
1523
1524 if (result < 0)
1525 return result;
1526
1527 arfkill->dev_id = dev_id;
1528 arfkill->asus = asus;
1529
1530 if (dev_id == ASUS_WMI_DEVID_WLAN &&
1531 asus->driver->quirks->hotplug_wireless)
1532 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1533 &asus_rfkill_wlan_ops, arfkill);
1534 else
1535 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1536 &asus_rfkill_ops, arfkill);
1537
1538 if (!*rfkill)
1539 return -EINVAL;
1540
1541 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1542 (asus->driver->quirks->wapf > 0))
1543 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
1544
1545 rfkill_init_sw_state(*rfkill, !result);
1546 result = rfkill_register(*rfkill);
1547 if (result) {
1548 rfkill_destroy(*rfkill);
1549 *rfkill = NULL;
1550 return result;
1551 }
1552 return 0;
1553}
1554
1555static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
1556{
1557 if (asus->driver->wlan_ctrl_by_user && ashs_present())
1558 return;
1559
1560 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1561 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1562 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1563 if (asus->wlan.rfkill) {
1564 rfkill_unregister(asus->wlan.rfkill);
1565 rfkill_destroy(asus->wlan.rfkill);
1566 asus->wlan.rfkill = NULL;
1567 }
1568 /*
1569 * Refresh pci hotplug in case the rfkill state was changed after
1570 * asus_unregister_rfkill_notifier()
1571 */
1572 asus_rfkill_hotplug(asus);
1573 if (asus->hotplug_slot.ops)
1574 pci_hp_deregister(&asus->hotplug_slot);
1575 if (asus->hotplug_workqueue)
1576 destroy_workqueue(asus->hotplug_workqueue);
1577
1578 if (asus->bluetooth.rfkill) {
1579 rfkill_unregister(asus->bluetooth.rfkill);
1580 rfkill_destroy(asus->bluetooth.rfkill);
1581 asus->bluetooth.rfkill = NULL;
1582 }
1583 if (asus->wimax.rfkill) {
1584 rfkill_unregister(asus->wimax.rfkill);
1585 rfkill_destroy(asus->wimax.rfkill);
1586 asus->wimax.rfkill = NULL;
1587 }
1588 if (asus->wwan3g.rfkill) {
1589 rfkill_unregister(asus->wwan3g.rfkill);
1590 rfkill_destroy(asus->wwan3g.rfkill);
1591 asus->wwan3g.rfkill = NULL;
1592 }
1593 if (asus->gps.rfkill) {
1594 rfkill_unregister(asus->gps.rfkill);
1595 rfkill_destroy(asus->gps.rfkill);
1596 asus->gps.rfkill = NULL;
1597 }
1598 if (asus->uwb.rfkill) {
1599 rfkill_unregister(asus->uwb.rfkill);
1600 rfkill_destroy(asus->uwb.rfkill);
1601 asus->uwb.rfkill = NULL;
1602 }
1603}
1604
1605static int asus_wmi_rfkill_init(struct asus_wmi *asus)
1606{
1607 int result = 0;
1608
1609 mutex_init(&asus->hotplug_lock);
1610 mutex_init(&asus->wmi_lock);
1611
1612 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1613 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
1614
1615 if (result && result != -ENODEV)
1616 goto exit;
1617
1618 result = asus_new_rfkill(asus, &asus->bluetooth,
1619 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1620 ASUS_WMI_DEVID_BLUETOOTH);
1621
1622 if (result && result != -ENODEV)
1623 goto exit;
1624
1625 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
1626 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
1627
1628 if (result && result != -ENODEV)
1629 goto exit;
1630
1631 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
1632 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
1633
1634 if (result && result != -ENODEV)
1635 goto exit;
1636
1637 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
1638 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
1639
1640 if (result && result != -ENODEV)
1641 goto exit;
1642
1643 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
1644 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
1645
1646 if (result && result != -ENODEV)
1647 goto exit;
1648
1649 if (!asus->driver->quirks->hotplug_wireless)
1650 goto exit;
1651
1652 result = asus_setup_pci_hotplug(asus);
1653 /*
1654 * If we get -EBUSY then something else is handling the PCI hotplug -
1655 * don't fail in this case
1656 */
1657 if (result == -EBUSY)
1658 result = 0;
1659
1660 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1661 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1662 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1663 /*
1664 * Refresh pci hotplug in case the rfkill state was changed during
1665 * setup.
1666 */
1667 asus_rfkill_hotplug(asus);
1668
1669exit:
1670 if (result && result != -ENODEV)
1671 asus_wmi_rfkill_exit(asus);
1672
1673 if (result == -ENODEV)
1674 result = 0;
1675
1676 return result;
1677}
1678
1679/* Panel Overdrive ************************************************************/
1680static ssize_t panel_od_show(struct device *dev,
1681 struct device_attribute *attr, char *buf)
1682{
1683 struct asus_wmi *asus = dev_get_drvdata(dev);
1684 int result;
1685
1686 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_PANEL_OD);
1687 if (result < 0)
1688 return result;
1689
1690 return sysfs_emit(buf, "%d\n", result);
1691}
1692
1693static ssize_t panel_od_store(struct device *dev,
1694 struct device_attribute *attr,
1695 const char *buf, size_t count)
1696{
1697 int result, err;
1698 u32 overdrive;
1699
1700 struct asus_wmi *asus = dev_get_drvdata(dev);
1701
1702 result = kstrtou32(buf, 10, &overdrive);
1703 if (result)
1704 return result;
1705
1706 if (overdrive > 1)
1707 return -EINVAL;
1708
1709 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, overdrive, &result);
1710
1711 if (err) {
1712 pr_warn("Failed to set panel overdrive: %d\n", err);
1713 return err;
1714 }
1715
1716 if (result > 1) {
1717 pr_warn("Failed to set panel overdrive (result): 0x%x\n", result);
1718 return -EIO;
1719 }
1720
1721 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od");
1722
1723 return count;
1724}
1725static DEVICE_ATTR_RW(panel_od);
1726
1727/* Quirks *********************************************************************/
1728
1729static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
1730{
1731 struct pci_dev *xhci_pdev;
1732 u32 orig_ports_available;
1733 u32 ports_available = asus->driver->quirks->xusb2pr;
1734
1735 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1736 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
1737 NULL);
1738
1739 if (!xhci_pdev)
1740 return;
1741
1742 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1743 &orig_ports_available);
1744
1745 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1746 cpu_to_le32(ports_available));
1747
1748 pci_dev_put(xhci_pdev);
1749
1750 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
1751 orig_ports_available, ports_available);
1752}
1753
1754/*
1755 * Some devices dont support or have borcken get_als method
1756 * but still support set method.
1757 */
1758static void asus_wmi_set_als(void)
1759{
1760 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
1761}
1762
1763/* Hwmon device ***************************************************************/
1764
1765static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
1766 int *speed)
1767{
1768 struct agfn_fan_args args = {
1769 .agfn.len = sizeof(args),
1770 .agfn.mfun = ASUS_FAN_MFUN,
1771 .agfn.sfun = ASUS_FAN_SFUN_READ,
1772 .fan = fan,
1773 .speed = 0,
1774 };
1775 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1776 int status;
1777
1778 if (fan != 1)
1779 return -EINVAL;
1780
1781 status = asus_wmi_evaluate_method_agfn(input);
1782
1783 if (status || args.agfn.err)
1784 return -ENXIO;
1785
1786 if (speed)
1787 *speed = args.speed;
1788
1789 return 0;
1790}
1791
1792static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
1793 int *speed)
1794{
1795 struct agfn_fan_args args = {
1796 .agfn.len = sizeof(args),
1797 .agfn.mfun = ASUS_FAN_MFUN,
1798 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
1799 .fan = fan,
1800 .speed = speed ? *speed : 0,
1801 };
1802 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1803 int status;
1804
1805 /* 1: for setting 1st fan's speed 0: setting auto mode */
1806 if (fan != 1 && fan != 0)
1807 return -EINVAL;
1808
1809 status = asus_wmi_evaluate_method_agfn(input);
1810
1811 if (status || args.agfn.err)
1812 return -ENXIO;
1813
1814 if (speed && fan == 1)
1815 asus->agfn_pwm = *speed;
1816
1817 return 0;
1818}
1819
1820/*
1821 * Check if we can read the speed of one fan. If true we assume we can also
1822 * control it.
1823 */
1824static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus)
1825{
1826 int status;
1827 int speed;
1828 u32 value;
1829
1830 status = asus_agfn_fan_speed_read(asus, 1, &speed);
1831 if (status != 0)
1832 return false;
1833
1834 status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1835 if (status != 0)
1836 return false;
1837
1838 /*
1839 * We need to find a better way, probably using sfun,
1840 * bits or spec ...
1841 * Currently we disable it if:
1842 * - ASUS_WMI_UNSUPPORTED_METHOD is returned
1843 * - reverved bits are non-zero
1844 * - sfun and presence bit are not set
1845 */
1846 return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
1847 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)));
1848}
1849
1850static int asus_fan_set_auto(struct asus_wmi *asus)
1851{
1852 int status;
1853 u32 retval;
1854
1855 switch (asus->fan_type) {
1856 case FAN_TYPE_SPEC83:
1857 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
1858 0, &retval);
1859 if (status)
1860 return status;
1861
1862 if (retval != 1)
1863 return -EIO;
1864 break;
1865
1866 case FAN_TYPE_AGFN:
1867 status = asus_agfn_fan_speed_write(asus, 0, NULL);
1868 if (status)
1869 return -ENXIO;
1870 break;
1871
1872 default:
1873 return -ENXIO;
1874 }
1875
1876 /*
1877 * Modern models like the G713 also have GPU fan control (this is not AGFN)
1878 */
1879 if (asus->gpu_fan_type == FAN_TYPE_SPEC83) {
1880 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
1881 0, &retval);
1882 if (status)
1883 return status;
1884
1885 if (retval != 1)
1886 return -EIO;
1887 }
1888
1889 return 0;
1890}
1891
1892static ssize_t pwm1_show(struct device *dev,
1893 struct device_attribute *attr,
1894 char *buf)
1895{
1896 struct asus_wmi *asus = dev_get_drvdata(dev);
1897 int err;
1898 int value;
1899
1900 /* If we already set a value then just return it */
1901 if (asus->agfn_pwm >= 0)
1902 return sprintf(buf, "%d\n", asus->agfn_pwm);
1903
1904 /*
1905 * If we haven't set already set a value through the AGFN interface,
1906 * we read a current value through the (now-deprecated) FAN_CTRL device.
1907 */
1908 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1909 if (err < 0)
1910 return err;
1911
1912 value &= 0xFF;
1913
1914 if (value == 1) /* Low Speed */
1915 value = 85;
1916 else if (value == 2)
1917 value = 170;
1918 else if (value == 3)
1919 value = 255;
1920 else if (value) {
1921 pr_err("Unknown fan speed %#x\n", value);
1922 value = -1;
1923 }
1924
1925 return sysfs_emit(buf, "%d\n", value);
1926}
1927
1928static ssize_t pwm1_store(struct device *dev,
1929 struct device_attribute *attr,
1930 const char *buf, size_t count) {
1931 struct asus_wmi *asus = dev_get_drvdata(dev);
1932 int value;
1933 int state;
1934 int ret;
1935
1936 ret = kstrtouint(buf, 10, &value);
1937 if (ret)
1938 return ret;
1939
1940 value = clamp(value, 0, 255);
1941
1942 state = asus_agfn_fan_speed_write(asus, 1, &value);
1943 if (state)
1944 pr_warn("Setting fan speed failed: %d\n", state);
1945 else
1946 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL;
1947
1948 return count;
1949}
1950
1951static ssize_t fan1_input_show(struct device *dev,
1952 struct device_attribute *attr,
1953 char *buf)
1954{
1955 struct asus_wmi *asus = dev_get_drvdata(dev);
1956 int value;
1957 int ret;
1958
1959 switch (asus->fan_type) {
1960 case FAN_TYPE_SPEC83:
1961 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL,
1962 &value);
1963 if (ret < 0)
1964 return ret;
1965
1966 value &= 0xffff;
1967 break;
1968
1969 case FAN_TYPE_AGFN:
1970 /* no speed readable on manual mode */
1971 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL)
1972 return -ENXIO;
1973
1974 ret = asus_agfn_fan_speed_read(asus, 1, &value);
1975 if (ret) {
1976 pr_warn("reading fan speed failed: %d\n", ret);
1977 return -ENXIO;
1978 }
1979 break;
1980
1981 default:
1982 return -ENXIO;
1983 }
1984
1985 return sysfs_emit(buf, "%d\n", value < 0 ? -1 : value * 100);
1986}
1987
1988static ssize_t pwm1_enable_show(struct device *dev,
1989 struct device_attribute *attr,
1990 char *buf)
1991{
1992 struct asus_wmi *asus = dev_get_drvdata(dev);
1993
1994 /*
1995 * Just read back the cached pwm mode.
1996 *
1997 * For the CPU_FAN device, the spec indicates that we should be
1998 * able to read the device status and consult bit 19 to see if we
1999 * are in Full On or Automatic mode. However, this does not work
2000 * in practice on X532FL at least (the bit is always 0) and there's
2001 * also nothing in the DSDT to indicate that this behaviour exists.
2002 */
2003 return sysfs_emit(buf, "%d\n", asus->fan_pwm_mode);
2004}
2005
2006static ssize_t pwm1_enable_store(struct device *dev,
2007 struct device_attribute *attr,
2008 const char *buf, size_t count)
2009{
2010 struct asus_wmi *asus = dev_get_drvdata(dev);
2011 int status = 0;
2012 int state;
2013 int value;
2014 int ret;
2015 u32 retval;
2016
2017 ret = kstrtouint(buf, 10, &state);
2018 if (ret)
2019 return ret;
2020
2021 if (asus->fan_type == FAN_TYPE_SPEC83) {
2022 switch (state) { /* standard documented hwmon values */
2023 case ASUS_FAN_CTRL_FULLSPEED:
2024 value = 1;
2025 break;
2026 case ASUS_FAN_CTRL_AUTO:
2027 value = 0;
2028 break;
2029 default:
2030 return -EINVAL;
2031 }
2032
2033 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
2034 value, &retval);
2035 if (ret)
2036 return ret;
2037
2038 if (retval != 1)
2039 return -EIO;
2040 } else if (asus->fan_type == FAN_TYPE_AGFN) {
2041 switch (state) {
2042 case ASUS_FAN_CTRL_MANUAL:
2043 break;
2044
2045 case ASUS_FAN_CTRL_AUTO:
2046 status = asus_fan_set_auto(asus);
2047 if (status)
2048 return status;
2049 break;
2050
2051 default:
2052 return -EINVAL;
2053 }
2054 }
2055
2056 asus->fan_pwm_mode = state;
2057
2058 /* Must set to disabled if mode is toggled */
2059 if (asus->cpu_fan_curve_available)
2060 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
2061 if (asus->gpu_fan_curve_available)
2062 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
2063
2064 return count;
2065}
2066
2067static ssize_t fan1_label_show(struct device *dev,
2068 struct device_attribute *attr,
2069 char *buf)
2070{
2071 return sysfs_emit(buf, "%s\n", ASUS_FAN_DESC);
2072}
2073
2074static ssize_t asus_hwmon_temp1(struct device *dev,
2075 struct device_attribute *attr,
2076 char *buf)
2077{
2078 struct asus_wmi *asus = dev_get_drvdata(dev);
2079 u32 value;
2080 int err;
2081
2082 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
2083 if (err < 0)
2084 return err;
2085
2086 return sprintf(buf, "%ld\n",
2087 deci_kelvin_to_millicelsius(value & 0xFFFF));
2088}
2089
2090/* GPU fan on modern ROG laptops */
2091static ssize_t fan2_input_show(struct device *dev,
2092 struct device_attribute *attr,
2093 char *buf)
2094{
2095 struct asus_wmi *asus = dev_get_drvdata(dev);
2096 int value;
2097 int ret;
2098
2099 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL, &value);
2100 if (ret < 0)
2101 return ret;
2102
2103 value &= 0xffff;
2104
2105 return sysfs_emit(buf, "%d\n", value * 100);
2106}
2107
2108static ssize_t fan2_label_show(struct device *dev,
2109 struct device_attribute *attr,
2110 char *buf)
2111{
2112 return sysfs_emit(buf, "%s\n", ASUS_GPU_FAN_DESC);
2113}
2114
2115static ssize_t pwm2_enable_show(struct device *dev,
2116 struct device_attribute *attr,
2117 char *buf)
2118{
2119 struct asus_wmi *asus = dev_get_drvdata(dev);
2120
2121 return sysfs_emit(buf, "%d\n", asus->gpu_fan_pwm_mode);
2122}
2123
2124static ssize_t pwm2_enable_store(struct device *dev,
2125 struct device_attribute *attr,
2126 const char *buf, size_t count)
2127{
2128 struct asus_wmi *asus = dev_get_drvdata(dev);
2129 int state;
2130 int value;
2131 int ret;
2132 u32 retval;
2133
2134 ret = kstrtouint(buf, 10, &state);
2135 if (ret)
2136 return ret;
2137
2138 switch (state) { /* standard documented hwmon values */
2139 case ASUS_FAN_CTRL_FULLSPEED:
2140 value = 1;
2141 break;
2142 case ASUS_FAN_CTRL_AUTO:
2143 value = 0;
2144 break;
2145 default:
2146 return -EINVAL;
2147 }
2148
2149 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
2150 value, &retval);
2151 if (ret)
2152 return ret;
2153
2154 if (retval != 1)
2155 return -EIO;
2156
2157 asus->gpu_fan_pwm_mode = state;
2158 return count;
2159}
2160
2161/* Fan1 */
2162static DEVICE_ATTR_RW(pwm1);
2163static DEVICE_ATTR_RW(pwm1_enable);
2164static DEVICE_ATTR_RO(fan1_input);
2165static DEVICE_ATTR_RO(fan1_label);
2166/* Fan2 - GPU fan */
2167static DEVICE_ATTR_RW(pwm2_enable);
2168static DEVICE_ATTR_RO(fan2_input);
2169static DEVICE_ATTR_RO(fan2_label);
2170
2171/* Temperature */
2172static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
2173
2174static struct attribute *hwmon_attributes[] = {
2175 &dev_attr_pwm1.attr,
2176 &dev_attr_pwm1_enable.attr,
2177 &dev_attr_pwm2_enable.attr,
2178 &dev_attr_fan1_input.attr,
2179 &dev_attr_fan1_label.attr,
2180 &dev_attr_fan2_input.attr,
2181 &dev_attr_fan2_label.attr,
2182
2183 &dev_attr_temp1_input.attr,
2184 NULL
2185};
2186
2187static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
2188 struct attribute *attr, int idx)
2189{
2190 struct device *dev = kobj_to_dev(kobj);
2191 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
2192 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
2193
2194 if (attr == &dev_attr_pwm1.attr) {
2195 if (asus->fan_type != FAN_TYPE_AGFN)
2196 return 0;
2197 } else if (attr == &dev_attr_fan1_input.attr
2198 || attr == &dev_attr_fan1_label.attr
2199 || attr == &dev_attr_pwm1_enable.attr) {
2200 if (asus->fan_type == FAN_TYPE_NONE)
2201 return 0;
2202 } else if (attr == &dev_attr_fan2_input.attr
2203 || attr == &dev_attr_fan2_label.attr
2204 || attr == &dev_attr_pwm2_enable.attr) {
2205 if (asus->gpu_fan_type == FAN_TYPE_NONE)
2206 return 0;
2207 } else if (attr == &dev_attr_temp1_input.attr) {
2208 int err = asus_wmi_get_devstate(asus,
2209 ASUS_WMI_DEVID_THERMAL_CTRL,
2210 &value);
2211
2212 if (err < 0)
2213 return 0; /* can't return negative here */
2214
2215 /*
2216 * If the temperature value in deci-Kelvin is near the absolute
2217 * zero temperature, something is clearly wrong
2218 */
2219 if (value == 0 || value == 1)
2220 return 0;
2221 }
2222
2223 return attr->mode;
2224}
2225
2226static const struct attribute_group hwmon_attribute_group = {
2227 .is_visible = asus_hwmon_sysfs_is_visible,
2228 .attrs = hwmon_attributes
2229};
2230__ATTRIBUTE_GROUPS(hwmon_attribute);
2231
2232static int asus_wmi_hwmon_init(struct asus_wmi *asus)
2233{
2234 struct device *dev = &asus->platform_device->dev;
2235 struct device *hwmon;
2236
2237 hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
2238 hwmon_attribute_groups);
2239
2240 if (IS_ERR(hwmon)) {
2241 pr_err("Could not register asus hwmon device\n");
2242 return PTR_ERR(hwmon);
2243 }
2244 return 0;
2245}
2246
2247static int asus_wmi_fan_init(struct asus_wmi *asus)
2248{
2249 asus->gpu_fan_type = FAN_TYPE_NONE;
2250 asus->fan_type = FAN_TYPE_NONE;
2251 asus->agfn_pwm = -1;
2252
2253 if (asus->driver->quirks->wmi_ignore_fan)
2254 asus->fan_type = FAN_TYPE_NONE;
2255 else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
2256 asus->fan_type = FAN_TYPE_SPEC83;
2257 else if (asus_wmi_has_agfn_fan(asus))
2258 asus->fan_type = FAN_TYPE_AGFN;
2259
2260 /* Modern models like G713 also have GPU fan control */
2261 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL))
2262 asus->gpu_fan_type = FAN_TYPE_SPEC83;
2263
2264 if (asus->fan_type == FAN_TYPE_NONE)
2265 return -ENODEV;
2266
2267 asus_fan_set_auto(asus);
2268 asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO;
2269 return 0;
2270}
2271
2272/* Fan mode *******************************************************************/
2273
2274static int fan_boost_mode_check_present(struct asus_wmi *asus)
2275{
2276 u32 result;
2277 int err;
2278
2279 asus->fan_boost_mode_available = false;
2280
2281 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
2282 &result);
2283 if (err) {
2284 if (err == -ENODEV)
2285 return 0;
2286 else
2287 return err;
2288 }
2289
2290 if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
2291 (result & ASUS_FAN_BOOST_MODES_MASK)) {
2292 asus->fan_boost_mode_available = true;
2293 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
2294 }
2295
2296 return 0;
2297}
2298
2299static int fan_boost_mode_write(struct asus_wmi *asus)
2300{
2301 u32 retval;
2302 u8 value;
2303 int err;
2304
2305 value = asus->fan_boost_mode;
2306
2307 pr_info("Set fan boost mode: %u\n", value);
2308 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
2309 &retval);
2310
2311 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
2312 "fan_boost_mode");
2313
2314 if (err) {
2315 pr_warn("Failed to set fan boost mode: %d\n", err);
2316 return err;
2317 }
2318
2319 if (retval != 1) {
2320 pr_warn("Failed to set fan boost mode (retval): 0x%x\n",
2321 retval);
2322 return -EIO;
2323 }
2324
2325 return 0;
2326}
2327
2328static int fan_boost_mode_switch_next(struct asus_wmi *asus)
2329{
2330 u8 mask = asus->fan_boost_mode_mask;
2331
2332 if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) {
2333 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)
2334 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST;
2335 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
2336 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
2337 } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2338 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
2339 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
2340 else
2341 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
2342 } else {
2343 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
2344 }
2345
2346 return fan_boost_mode_write(asus);
2347}
2348
2349static ssize_t fan_boost_mode_show(struct device *dev,
2350 struct device_attribute *attr, char *buf)
2351{
2352 struct asus_wmi *asus = dev_get_drvdata(dev);
2353
2354 return sysfs_emit(buf, "%d\n", asus->fan_boost_mode);
2355}
2356
2357static ssize_t fan_boost_mode_store(struct device *dev,
2358 struct device_attribute *attr,
2359 const char *buf, size_t count)
2360{
2361 struct asus_wmi *asus = dev_get_drvdata(dev);
2362 u8 mask = asus->fan_boost_mode_mask;
2363 u8 new_mode;
2364 int result;
2365
2366 result = kstrtou8(buf, 10, &new_mode);
2367 if (result < 0) {
2368 pr_warn("Trying to store invalid value\n");
2369 return result;
2370 }
2371
2372 if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2373 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK))
2374 return -EINVAL;
2375 } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) {
2376 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK))
2377 return -EINVAL;
2378 } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) {
2379 return -EINVAL;
2380 }
2381
2382 asus->fan_boost_mode = new_mode;
2383 fan_boost_mode_write(asus);
2384
2385 return count;
2386}
2387
2388// Fan boost mode: 0 - normal, 1 - overboost, 2 - silent
2389static DEVICE_ATTR_RW(fan_boost_mode);
2390
2391/* Custom fan curves **********************************************************/
2392
2393static void fan_curve_copy_from_buf(struct fan_curve_data *data, u8 *buf)
2394{
2395 int i;
2396
2397 for (i = 0; i < FAN_CURVE_POINTS; i++) {
2398 data->temps[i] = buf[i];
2399 }
2400
2401 for (i = 0; i < FAN_CURVE_POINTS; i++) {
2402 data->percents[i] =
2403 255 * buf[i + FAN_CURVE_POINTS] / 100;
2404 }
2405}
2406
2407static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev)
2408{
2409 struct fan_curve_data *curves;
2410 u8 buf[FAN_CURVE_BUF_LEN];
2411 int fan_idx = 0;
2412 u8 mode = 0;
2413 int err;
2414
2415 if (asus->throttle_thermal_policy_available)
2416 mode = asus->throttle_thermal_policy_mode;
2417 /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */
2418 if (mode == 2)
2419 mode = 1;
2420 else if (mode == 1)
2421 mode = 2;
2422
2423 if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE)
2424 fan_idx = FAN_CURVE_DEV_GPU;
2425
2426 curves = &asus->custom_fan_curves[fan_idx];
2427 err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf,
2428 FAN_CURVE_BUF_LEN);
2429 if (err) {
2430 pr_warn("%s (0x%08x) failed: %d\n", __func__, fan_dev, err);
2431 return err;
2432 }
2433
2434 fan_curve_copy_from_buf(curves, buf);
2435 curves->device_id = fan_dev;
2436
2437 return 0;
2438}
2439
2440/* Check if capability exists, and populate defaults */
2441static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
2442 u32 fan_dev)
2443{
2444 int err;
2445
2446 *available = false;
2447
2448 if (asus->fan_type == FAN_TYPE_NONE)
2449 return 0;
2450
2451 err = fan_curve_get_factory_default(asus, fan_dev);
2452 if (err) {
2453 return 0;
2454 }
2455
2456 *available = true;
2457 return 0;
2458}
2459
2460/* Determine which fan the attribute is for if SENSOR_ATTR */
2461static struct fan_curve_data *fan_curve_attr_select(struct asus_wmi *asus,
2462 struct device_attribute *attr)
2463{
2464 int index = to_sensor_dev_attr(attr)->index;
2465
2466 return &asus->custom_fan_curves[index & FAN_CURVE_DEV_GPU];
2467}
2468
2469/* Determine which fan the attribute is for if SENSOR_ATTR_2 */
2470static struct fan_curve_data *fan_curve_attr_2_select(struct asus_wmi *asus,
2471 struct device_attribute *attr)
2472{
2473 int nr = to_sensor_dev_attr_2(attr)->nr;
2474
2475 return &asus->custom_fan_curves[nr & FAN_CURVE_DEV_GPU];
2476}
2477
2478static ssize_t fan_curve_show(struct device *dev,
2479 struct device_attribute *attr, char *buf)
2480{
2481 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
2482 struct asus_wmi *asus = dev_get_drvdata(dev);
2483 struct fan_curve_data *data;
2484 int value, index, nr;
2485
2486 data = fan_curve_attr_2_select(asus, attr);
2487 index = dev_attr->index;
2488 nr = dev_attr->nr;
2489
2490 if (nr & FAN_CURVE_PWM_MASK)
2491 value = data->percents[index];
2492 else
2493 value = data->temps[index];
2494
2495 return sysfs_emit(buf, "%d\n", value);
2496}
2497
2498/*
2499 * "fan_dev" is the related WMI method such as ASUS_WMI_DEVID_CPU_FAN_CURVE.
2500 */
2501static int fan_curve_write(struct asus_wmi *asus,
2502 struct fan_curve_data *data)
2503{
2504 u32 arg1 = 0, arg2 = 0, arg3 = 0, arg4 = 0;
2505 u8 *percents = data->percents;
2506 u8 *temps = data->temps;
2507 int ret, i, shift = 0;
2508
2509 if (!data->enabled)
2510 return 0;
2511
2512 for (i = 0; i < FAN_CURVE_POINTS / 2; i++) {
2513 arg1 += (temps[i]) << shift;
2514 arg2 += (temps[i + 4]) << shift;
2515 /* Scale to percentage for device */
2516 arg3 += (100 * percents[i] / 255) << shift;
2517 arg4 += (100 * percents[i + 4] / 255) << shift;
2518 shift += 8;
2519 }
2520
2521 return asus_wmi_evaluate_method5(ASUS_WMI_METHODID_DEVS,
2522 data->device_id,
2523 arg1, arg2, arg3, arg4, &ret);
2524}
2525
2526static ssize_t fan_curve_store(struct device *dev,
2527 struct device_attribute *attr, const char *buf,
2528 size_t count)
2529{
2530 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
2531 struct asus_wmi *asus = dev_get_drvdata(dev);
2532 struct fan_curve_data *data;
2533 u8 value;
2534 int err;
2535
2536 int pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
2537 int index = dev_attr->index;
2538
2539 data = fan_curve_attr_2_select(asus, attr);
2540
2541 err = kstrtou8(buf, 10, &value);
2542 if (err < 0)
2543 return err;
2544
2545 if (pwm) {
2546 data->percents[index] = value;
2547 } else {
2548 data->temps[index] = value;
2549 }
2550
2551 /*
2552 * Mark as disabled so the user has to explicitly enable to apply a
2553 * changed fan curve. This prevents potential lockups from writing out
2554 * many changes as one-write-per-change.
2555 */
2556 data->enabled = false;
2557
2558 return count;
2559}
2560
2561static ssize_t fan_curve_enable_show(struct device *dev,
2562 struct device_attribute *attr, char *buf)
2563{
2564 struct asus_wmi *asus = dev_get_drvdata(dev);
2565 struct fan_curve_data *data;
2566 int out = 2;
2567
2568 data = fan_curve_attr_select(asus, attr);
2569
2570 if (data->enabled)
2571 out = 1;
2572
2573 return sysfs_emit(buf, "%d\n", out);
2574}
2575
2576static ssize_t fan_curve_enable_store(struct device *dev,
2577 struct device_attribute *attr,
2578 const char *buf, size_t count)
2579{
2580 struct asus_wmi *asus = dev_get_drvdata(dev);
2581 struct fan_curve_data *data;
2582 int value, err;
2583
2584 data = fan_curve_attr_select(asus, attr);
2585
2586 err = kstrtoint(buf, 10, &value);
2587 if (err < 0)
2588 return err;
2589
2590 switch (value) {
2591 case 1:
2592 data->enabled = true;
2593 break;
2594 case 2:
2595 data->enabled = false;
2596 break;
2597 /*
2598 * Auto + reset the fan curve data to defaults. Make it an explicit
2599 * option so that users don't accidentally overwrite a set fan curve.
2600 */
2601 case 3:
2602 err = fan_curve_get_factory_default(asus, data->device_id);
2603 if (err)
2604 return err;
2605 data->enabled = false;
2606 break;
2607 default:
2608 return -EINVAL;
2609 }
2610
2611 if (data->enabled) {
2612 err = fan_curve_write(asus, data);
2613 if (err)
2614 return err;
2615 } else {
2616 /*
2617 * For machines with throttle this is the only way to reset fans
2618 * to default mode of operation (does not erase curve data).
2619 */
2620 if (asus->throttle_thermal_policy_available) {
2621 err = throttle_thermal_policy_write(asus);
2622 if (err)
2623 return err;
2624 /* Similar is true for laptops with this fan */
2625 } else if (asus->fan_type == FAN_TYPE_SPEC83) {
2626 err = asus_fan_set_auto(asus);
2627 if (err)
2628 return err;
2629 } else {
2630 /* Safeguard against fautly ACPI tables */
2631 err = fan_curve_get_factory_default(asus, data->device_id);
2632 if (err)
2633 return err;
2634 err = fan_curve_write(asus, data);
2635 if (err)
2636 return err;
2637 }
2638 }
2639 return count;
2640}
2641
2642/* CPU */
2643static SENSOR_DEVICE_ATTR_RW(pwm1_enable, fan_curve_enable, FAN_CURVE_DEV_CPU);
2644static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_temp, fan_curve,
2645 FAN_CURVE_DEV_CPU, 0);
2646static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_temp, fan_curve,
2647 FAN_CURVE_DEV_CPU, 1);
2648static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_temp, fan_curve,
2649 FAN_CURVE_DEV_CPU, 2);
2650static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_temp, fan_curve,
2651 FAN_CURVE_DEV_CPU, 3);
2652static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_temp, fan_curve,
2653 FAN_CURVE_DEV_CPU, 4);
2654static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_temp, fan_curve,
2655 FAN_CURVE_DEV_CPU, 5);
2656static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_temp, fan_curve,
2657 FAN_CURVE_DEV_CPU, 6);
2658static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_temp, fan_curve,
2659 FAN_CURVE_DEV_CPU, 7);
2660
2661static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_pwm, fan_curve,
2662 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 0);
2663static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_pwm, fan_curve,
2664 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 1);
2665static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_pwm, fan_curve,
2666 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 2);
2667static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_pwm, fan_curve,
2668 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 3);
2669static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_pwm, fan_curve,
2670 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 4);
2671static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_pwm, fan_curve,
2672 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 5);
2673static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_pwm, fan_curve,
2674 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 6);
2675static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_pwm, fan_curve,
2676 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 7);
2677
2678/* GPU */
2679static SENSOR_DEVICE_ATTR_RW(pwm2_enable, fan_curve_enable, FAN_CURVE_DEV_GPU);
2680static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_temp, fan_curve,
2681 FAN_CURVE_DEV_GPU, 0);
2682static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_temp, fan_curve,
2683 FAN_CURVE_DEV_GPU, 1);
2684static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_temp, fan_curve,
2685 FAN_CURVE_DEV_GPU, 2);
2686static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_temp, fan_curve,
2687 FAN_CURVE_DEV_GPU, 3);
2688static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_temp, fan_curve,
2689 FAN_CURVE_DEV_GPU, 4);
2690static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_temp, fan_curve,
2691 FAN_CURVE_DEV_GPU, 5);
2692static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_temp, fan_curve,
2693 FAN_CURVE_DEV_GPU, 6);
2694static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_temp, fan_curve,
2695 FAN_CURVE_DEV_GPU, 7);
2696
2697static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_pwm, fan_curve,
2698 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0);
2699static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_pwm, fan_curve,
2700 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1);
2701static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_pwm, fan_curve,
2702 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2);
2703static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_pwm, fan_curve,
2704 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3);
2705static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_pwm, fan_curve,
2706 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4);
2707static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_pwm, fan_curve,
2708 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5);
2709static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve,
2710 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6);
2711static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve,
2712 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
2713
2714static struct attribute *asus_fan_curve_attr[] = {
2715 /* CPU */
2716 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
2717 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
2718 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
2719 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
2720 &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
2721 &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
2722 &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
2723 &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
2724 &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
2725 &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
2726 &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
2727 &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
2728 &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
2729 &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
2730 &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
2731 &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
2732 &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
2733 /* GPU */
2734 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
2735 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
2736 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
2737 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
2738 &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
2739 &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr,
2740 &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr,
2741 &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr,
2742 &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr,
2743 &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
2744 &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
2745 &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
2746 &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
2747 &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr,
2748 &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
2749 &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
2750 &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
2751 NULL
2752};
2753
2754static umode_t asus_fan_curve_is_visible(struct kobject *kobj,
2755 struct attribute *attr, int idx)
2756{
2757 struct device *dev = kobj_to_dev(kobj);
2758 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
2759
2760 /*
2761 * Check the char instead of casting attr as there are two attr types
2762 * involved here (attr1 and attr2)
2763 */
2764 if (asus->cpu_fan_curve_available && attr->name[3] == '1')
2765 return 0644;
2766
2767 if (asus->gpu_fan_curve_available && attr->name[3] == '2')
2768 return 0644;
2769
2770 return 0;
2771}
2772
2773static const struct attribute_group asus_fan_curve_attr_group = {
2774 .is_visible = asus_fan_curve_is_visible,
2775 .attrs = asus_fan_curve_attr,
2776};
2777__ATTRIBUTE_GROUPS(asus_fan_curve_attr);
2778
2779/*
2780 * Must be initialised after throttle_thermal_policy_check_present() as
2781 * we check the status of throttle_thermal_policy_available during init.
2782 */
2783static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
2784{
2785 struct device *dev = &asus->platform_device->dev;
2786 struct device *hwmon;
2787 int err;
2788
2789 err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available,
2790 ASUS_WMI_DEVID_CPU_FAN_CURVE);
2791 if (err)
2792 return err;
2793
2794 err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available,
2795 ASUS_WMI_DEVID_GPU_FAN_CURVE);
2796 if (err)
2797 return err;
2798
2799 if (!asus->cpu_fan_curve_available && !asus->gpu_fan_curve_available)
2800 return 0;
2801
2802 hwmon = devm_hwmon_device_register_with_groups(
2803 dev, "asus_custom_fan_curve", asus, asus_fan_curve_attr_groups);
2804
2805 if (IS_ERR(hwmon)) {
2806 dev_err(dev,
2807 "Could not register asus_custom_fan_curve device\n");
2808 return PTR_ERR(hwmon);
2809 }
2810
2811 return 0;
2812}
2813
2814/* Throttle thermal policy ****************************************************/
2815
2816static int throttle_thermal_policy_check_present(struct asus_wmi *asus)
2817{
2818 u32 result;
2819 int err;
2820
2821 asus->throttle_thermal_policy_available = false;
2822
2823 err = asus_wmi_get_devstate(asus,
2824 ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
2825 &result);
2826 if (err) {
2827 if (err == -ENODEV)
2828 return 0;
2829 return err;
2830 }
2831
2832 if (result & ASUS_WMI_DSTS_PRESENCE_BIT)
2833 asus->throttle_thermal_policy_available = true;
2834
2835 return 0;
2836}
2837
2838static int throttle_thermal_policy_write(struct asus_wmi *asus)
2839{
2840 int err;
2841 u8 value;
2842 u32 retval;
2843
2844 value = asus->throttle_thermal_policy_mode;
2845
2846 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
2847 value, &retval);
2848
2849 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
2850 "throttle_thermal_policy");
2851
2852 if (err) {
2853 pr_warn("Failed to set throttle thermal policy: %d\n", err);
2854 return err;
2855 }
2856
2857 if (retval != 1) {
2858 pr_warn("Failed to set throttle thermal policy (retval): 0x%x\n",
2859 retval);
2860 return -EIO;
2861 }
2862
2863 /* Must set to disabled if mode is toggled */
2864 if (asus->cpu_fan_curve_available)
2865 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
2866 if (asus->gpu_fan_curve_available)
2867 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
2868
2869 return 0;
2870}
2871
2872static int throttle_thermal_policy_set_default(struct asus_wmi *asus)
2873{
2874 if (!asus->throttle_thermal_policy_available)
2875 return 0;
2876
2877 asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2878 return throttle_thermal_policy_write(asus);
2879}
2880
2881static int throttle_thermal_policy_switch_next(struct asus_wmi *asus)
2882{
2883 u8 new_mode = asus->throttle_thermal_policy_mode + 1;
2884 int err;
2885
2886 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
2887 new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2888
2889 asus->throttle_thermal_policy_mode = new_mode;
2890 err = throttle_thermal_policy_write(asus);
2891 if (err)
2892 return err;
2893
2894 /*
2895 * Ensure that platform_profile updates userspace with the change to ensure
2896 * that platform_profile and throttle_thermal_policy_mode are in sync.
2897 */
2898 platform_profile_notify();
2899
2900 return 0;
2901}
2902
2903static ssize_t throttle_thermal_policy_show(struct device *dev,
2904 struct device_attribute *attr, char *buf)
2905{
2906 struct asus_wmi *asus = dev_get_drvdata(dev);
2907 u8 mode = asus->throttle_thermal_policy_mode;
2908
2909 return sysfs_emit(buf, "%d\n", mode);
2910}
2911
2912static ssize_t throttle_thermal_policy_store(struct device *dev,
2913 struct device_attribute *attr,
2914 const char *buf, size_t count)
2915{
2916 struct asus_wmi *asus = dev_get_drvdata(dev);
2917 u8 new_mode;
2918 int result;
2919 int err;
2920
2921 result = kstrtou8(buf, 10, &new_mode);
2922 if (result < 0)
2923 return result;
2924
2925 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
2926 return -EINVAL;
2927
2928 asus->throttle_thermal_policy_mode = new_mode;
2929 err = throttle_thermal_policy_write(asus);
2930 if (err)
2931 return err;
2932
2933 /*
2934 * Ensure that platform_profile updates userspace with the change to ensure
2935 * that platform_profile and throttle_thermal_policy_mode are in sync.
2936 */
2937 platform_profile_notify();
2938
2939 return count;
2940}
2941
2942// Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent
2943static DEVICE_ATTR_RW(throttle_thermal_policy);
2944
2945/* Platform profile ***********************************************************/
2946static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof,
2947 enum platform_profile_option *profile)
2948{
2949 struct asus_wmi *asus;
2950 int tp;
2951
2952 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
2953
2954 tp = asus->throttle_thermal_policy_mode;
2955
2956 switch (tp) {
2957 case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT:
2958 *profile = PLATFORM_PROFILE_BALANCED;
2959 break;
2960 case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST:
2961 *profile = PLATFORM_PROFILE_PERFORMANCE;
2962 break;
2963 case ASUS_THROTTLE_THERMAL_POLICY_SILENT:
2964 *profile = PLATFORM_PROFILE_QUIET;
2965 break;
2966 default:
2967 return -EINVAL;
2968 }
2969
2970 return 0;
2971}
2972
2973static int asus_wmi_platform_profile_set(struct platform_profile_handler *pprof,
2974 enum platform_profile_option profile)
2975{
2976 struct asus_wmi *asus;
2977 int tp;
2978
2979 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
2980
2981 switch (profile) {
2982 case PLATFORM_PROFILE_PERFORMANCE:
2983 tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST;
2984 break;
2985 case PLATFORM_PROFILE_BALANCED:
2986 tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2987 break;
2988 case PLATFORM_PROFILE_QUIET:
2989 tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT;
2990 break;
2991 default:
2992 return -EOPNOTSUPP;
2993 }
2994
2995 asus->throttle_thermal_policy_mode = tp;
2996 return throttle_thermal_policy_write(asus);
2997}
2998
2999static int platform_profile_setup(struct asus_wmi *asus)
3000{
3001 struct device *dev = &asus->platform_device->dev;
3002 int err;
3003
3004 /*
3005 * Not an error if a component platform_profile relies on is unavailable
3006 * so early return, skipping the setup of platform_profile.
3007 */
3008 if (!asus->throttle_thermal_policy_available)
3009 return 0;
3010
3011 dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n");
3012
3013 asus->platform_profile_handler.profile_get = asus_wmi_platform_profile_get;
3014 asus->platform_profile_handler.profile_set = asus_wmi_platform_profile_set;
3015
3016 set_bit(PLATFORM_PROFILE_QUIET, asus->platform_profile_handler.choices);
3017 set_bit(PLATFORM_PROFILE_BALANCED,
3018 asus->platform_profile_handler.choices);
3019 set_bit(PLATFORM_PROFILE_PERFORMANCE,
3020 asus->platform_profile_handler.choices);
3021
3022 err = platform_profile_register(&asus->platform_profile_handler);
3023 if (err)
3024 return err;
3025
3026 asus->platform_profile_support = true;
3027 return 0;
3028}
3029
3030/* Backlight ******************************************************************/
3031
3032static int read_backlight_power(struct asus_wmi *asus)
3033{
3034 int ret;
3035
3036 if (asus->driver->quirks->store_backlight_power)
3037 ret = !asus->driver->panel_power;
3038 else
3039 ret = asus_wmi_get_devstate_simple(asus,
3040 ASUS_WMI_DEVID_BACKLIGHT);
3041
3042 if (ret < 0)
3043 return ret;
3044
3045 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
3046}
3047
3048static int read_brightness_max(struct asus_wmi *asus)
3049{
3050 u32 retval;
3051 int err;
3052
3053 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3054 if (err < 0)
3055 return err;
3056
3057 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
3058 retval >>= 8;
3059
3060 if (!retval)
3061 return -ENODEV;
3062
3063 return retval;
3064}
3065
3066static int read_brightness(struct backlight_device *bd)
3067{
3068 struct asus_wmi *asus = bl_get_data(bd);
3069 u32 retval;
3070 int err;
3071
3072 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3073 if (err < 0)
3074 return err;
3075
3076 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
3077}
3078
3079static u32 get_scalar_command(struct backlight_device *bd)
3080{
3081 struct asus_wmi *asus = bl_get_data(bd);
3082 u32 ctrl_param = 0;
3083
3084 if ((asus->driver->brightness < bd->props.brightness) ||
3085 bd->props.brightness == bd->props.max_brightness)
3086 ctrl_param = 0x00008001;
3087 else if ((asus->driver->brightness > bd->props.brightness) ||
3088 bd->props.brightness == 0)
3089 ctrl_param = 0x00008000;
3090
3091 asus->driver->brightness = bd->props.brightness;
3092
3093 return ctrl_param;
3094}
3095
3096static int update_bl_status(struct backlight_device *bd)
3097{
3098 struct asus_wmi *asus = bl_get_data(bd);
3099 u32 ctrl_param;
3100 int power, err = 0;
3101
3102 power = read_backlight_power(asus);
3103 if (power != -ENODEV && bd->props.power != power) {
3104 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
3105 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
3106 ctrl_param, NULL);
3107 if (asus->driver->quirks->store_backlight_power)
3108 asus->driver->panel_power = bd->props.power;
3109
3110 /* When using scalar brightness, updating the brightness
3111 * will mess with the backlight power */
3112 if (asus->driver->quirks->scalar_panel_brightness)
3113 return err;
3114 }
3115
3116 if (asus->driver->quirks->scalar_panel_brightness)
3117 ctrl_param = get_scalar_command(bd);
3118 else
3119 ctrl_param = bd->props.brightness;
3120
3121 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
3122 ctrl_param, NULL);
3123
3124 return err;
3125}
3126
3127static const struct backlight_ops asus_wmi_bl_ops = {
3128 .get_brightness = read_brightness,
3129 .update_status = update_bl_status,
3130};
3131
3132static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
3133{
3134 struct backlight_device *bd = asus->backlight_device;
3135 int old = bd->props.brightness;
3136 int new = old;
3137
3138 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3139 new = code - NOTIFY_BRNUP_MIN + 1;
3140 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
3141 new = code - NOTIFY_BRNDOWN_MIN;
3142
3143 bd->props.brightness = new;
3144 backlight_update_status(bd);
3145 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
3146
3147 return old;
3148}
3149
3150static int asus_wmi_backlight_init(struct asus_wmi *asus)
3151{
3152 struct backlight_device *bd;
3153 struct backlight_properties props;
3154 int max;
3155 int power;
3156
3157 max = read_brightness_max(asus);
3158 if (max < 0)
3159 return max;
3160
3161 power = read_backlight_power(asus);
3162 if (power == -ENODEV)
3163 power = FB_BLANK_UNBLANK;
3164 else if (power < 0)
3165 return power;
3166
3167 memset(&props, 0, sizeof(struct backlight_properties));
3168 props.type = BACKLIGHT_PLATFORM;
3169 props.max_brightness = max;
3170 bd = backlight_device_register(asus->driver->name,
3171 &asus->platform_device->dev, asus,
3172 &asus_wmi_bl_ops, &props);
3173 if (IS_ERR(bd)) {
3174 pr_err("Could not register backlight device\n");
3175 return PTR_ERR(bd);
3176 }
3177
3178 asus->backlight_device = bd;
3179
3180 if (asus->driver->quirks->store_backlight_power)
3181 asus->driver->panel_power = power;
3182
3183 bd->props.brightness = read_brightness(bd);
3184 bd->props.power = power;
3185 backlight_update_status(bd);
3186
3187 asus->driver->brightness = bd->props.brightness;
3188
3189 return 0;
3190}
3191
3192static void asus_wmi_backlight_exit(struct asus_wmi *asus)
3193{
3194 backlight_device_unregister(asus->backlight_device);
3195
3196 asus->backlight_device = NULL;
3197}
3198
3199static int is_display_toggle(int code)
3200{
3201 /* display toggle keys */
3202 if ((code >= 0x61 && code <= 0x67) ||
3203 (code >= 0x8c && code <= 0x93) ||
3204 (code >= 0xa0 && code <= 0xa7) ||
3205 (code >= 0xd0 && code <= 0xd5))
3206 return 1;
3207
3208 return 0;
3209}
3210
3211/* Fn-lock ********************************************************************/
3212
3213static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
3214{
3215 u32 result;
3216
3217 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
3218
3219 return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
3220 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
3221}
3222
3223static void asus_wmi_fnlock_update(struct asus_wmi *asus)
3224{
3225 int mode = asus->fnlock_locked;
3226
3227 asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
3228}
3229
3230/* WMI events *****************************************************************/
3231
3232static int asus_wmi_get_event_code(u32 value)
3233{
3234 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
3235 union acpi_object *obj;
3236 acpi_status status;
3237 int code;
3238
3239 status = wmi_get_event_data(value, &response);
3240 if (ACPI_FAILURE(status)) {
3241 pr_warn("Failed to get WMI notify code: %s\n",
3242 acpi_format_exception(status));
3243 return -EIO;
3244 }
3245
3246 obj = (union acpi_object *)response.pointer;
3247
3248 if (obj && obj->type == ACPI_TYPE_INTEGER)
3249 code = (int)(obj->integer.value & WMI_EVENT_MASK);
3250 else
3251 code = -EIO;
3252
3253 kfree(obj);
3254 return code;
3255}
3256
3257static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
3258{
3259 unsigned int key_value = 1;
3260 bool autorelease = 1;
3261 int orig_code = code;
3262
3263 if (asus->driver->key_filter) {
3264 asus->driver->key_filter(asus->driver, &code, &key_value,
3265 &autorelease);
3266 if (code == ASUS_WMI_KEY_IGNORE)
3267 return;
3268 }
3269
3270 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3271 code = ASUS_WMI_BRN_UP;
3272 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
3273 code = ASUS_WMI_BRN_DOWN;
3274
3275 if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
3276 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
3277 asus_wmi_backlight_notify(asus, orig_code);
3278 return;
3279 }
3280 }
3281
3282 if (code == NOTIFY_KBD_BRTUP) {
3283 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
3284 return;
3285 }
3286 if (code == NOTIFY_KBD_BRTDWN) {
3287 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
3288 return;
3289 }
3290 if (code == NOTIFY_KBD_BRTTOGGLE) {
3291 if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
3292 kbd_led_set_by_kbd(asus, 0);
3293 else
3294 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
3295 return;
3296 }
3297
3298 if (code == NOTIFY_FNLOCK_TOGGLE) {
3299 asus->fnlock_locked = !asus->fnlock_locked;
3300 asus_wmi_fnlock_update(asus);
3301 return;
3302 }
3303
3304 if (code == asus->tablet_switch_event_code) {
3305 asus_wmi_tablet_mode_get_state(asus);
3306 return;
3307 }
3308
3309 if (code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_TTP) {
3310 if (asus->fan_boost_mode_available)
3311 fan_boost_mode_switch_next(asus);
3312 if (asus->throttle_thermal_policy_available)
3313 throttle_thermal_policy_switch_next(asus);
3314 return;
3315
3316 }
3317
3318 if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
3319 return;
3320
3321 if (!sparse_keymap_report_event(asus->inputdev, code,
3322 key_value, autorelease))
3323 pr_info("Unknown key code 0x%x\n", code);
3324}
3325
3326static void asus_wmi_notify(u32 value, void *context)
3327{
3328 struct asus_wmi *asus = context;
3329 int code;
3330 int i;
3331
3332 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
3333 code = asus_wmi_get_event_code(value);
3334 if (code < 0) {
3335 pr_warn("Failed to get notify code: %d\n", code);
3336 return;
3337 }
3338
3339 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
3340 return;
3341
3342 asus_wmi_handle_event_code(code, asus);
3343
3344 /*
3345 * Double check that queue is present:
3346 * ATK (with queue) uses 0xff, ASUSWMI (without) 0xd2.
3347 */
3348 if (!asus->wmi_event_queue || value != WMI_EVENT_VALUE_ATK)
3349 return;
3350 }
3351
3352 pr_warn("Failed to process event queue, last code: 0x%x\n", code);
3353}
3354
3355static int asus_wmi_notify_queue_flush(struct asus_wmi *asus)
3356{
3357 int code;
3358 int i;
3359
3360 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
3361 code = asus_wmi_get_event_code(WMI_EVENT_VALUE_ATK);
3362 if (code < 0) {
3363 pr_warn("Failed to get event during flush: %d\n", code);
3364 return code;
3365 }
3366
3367 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
3368 return 0;
3369 }
3370
3371 pr_warn("Failed to flush event queue\n");
3372 return -EIO;
3373}
3374
3375/* Sysfs **********************************************************************/
3376
3377static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
3378 const char *buf, size_t count)
3379{
3380 u32 retval;
3381 int err, value;
3382
3383 value = asus_wmi_get_devstate_simple(asus, devid);
3384 if (value < 0)
3385 return value;
3386
3387 err = kstrtoint(buf, 0, &value);
3388 if (err)
3389 return err;
3390
3391 err = asus_wmi_set_devstate(devid, value, &retval);
3392 if (err < 0)
3393 return err;
3394
3395 return count;
3396}
3397
3398static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
3399{
3400 int value = asus_wmi_get_devstate_simple(asus, devid);
3401
3402 if (value < 0)
3403 return value;
3404
3405 return sprintf(buf, "%d\n", value);
3406}
3407
3408#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
3409 static ssize_t show_##_name(struct device *dev, \
3410 struct device_attribute *attr, \
3411 char *buf) \
3412 { \
3413 struct asus_wmi *asus = dev_get_drvdata(dev); \
3414 \
3415 return show_sys_wmi(asus, _cm, buf); \
3416 } \
3417 static ssize_t store_##_name(struct device *dev, \
3418 struct device_attribute *attr, \
3419 const char *buf, size_t count) \
3420 { \
3421 struct asus_wmi *asus = dev_get_drvdata(dev); \
3422 \
3423 return store_sys_wmi(asus, _cm, buf, count); \
3424 } \
3425 static struct device_attribute dev_attr_##_name = { \
3426 .attr = { \
3427 .name = __stringify(_name), \
3428 .mode = _mode }, \
3429 .show = show_##_name, \
3430 .store = store_##_name, \
3431 }
3432
3433ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
3434ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
3435ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
3436ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
3437ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
3438
3439static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
3440 const char *buf, size_t count)
3441{
3442 int value, rv;
3443
3444 rv = kstrtoint(buf, 0, &value);
3445 if (rv)
3446 return rv;
3447
3448 if (value < 0 || value > 2)
3449 return -EINVAL;
3450
3451 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
3452 if (rv < 0)
3453 return rv;
3454
3455 return count;
3456}
3457
3458static DEVICE_ATTR_WO(cpufv);
3459
3460static struct attribute *platform_attributes[] = {
3461 &dev_attr_cpufv.attr,
3462 &dev_attr_camera.attr,
3463 &dev_attr_cardr.attr,
3464 &dev_attr_touchpad.attr,
3465 &dev_attr_egpu_enable.attr,
3466 &dev_attr_dgpu_disable.attr,
3467 &dev_attr_gpu_mux_mode.attr,
3468 &dev_attr_lid_resume.attr,
3469 &dev_attr_als_enable.attr,
3470 &dev_attr_fan_boost_mode.attr,
3471 &dev_attr_throttle_thermal_policy.attr,
3472 &dev_attr_panel_od.attr,
3473 NULL
3474};
3475
3476static umode_t asus_sysfs_is_visible(struct kobject *kobj,
3477 struct attribute *attr, int idx)
3478{
3479 struct device *dev = kobj_to_dev(kobj);
3480 struct asus_wmi *asus = dev_get_drvdata(dev);
3481 bool ok = true;
3482 int devid = -1;
3483
3484 if (attr == &dev_attr_camera.attr)
3485 devid = ASUS_WMI_DEVID_CAMERA;
3486 else if (attr == &dev_attr_cardr.attr)
3487 devid = ASUS_WMI_DEVID_CARDREADER;
3488 else if (attr == &dev_attr_touchpad.attr)
3489 devid = ASUS_WMI_DEVID_TOUCHPAD;
3490 else if (attr == &dev_attr_lid_resume.attr)
3491 devid = ASUS_WMI_DEVID_LID_RESUME;
3492 else if (attr == &dev_attr_als_enable.attr)
3493 devid = ASUS_WMI_DEVID_ALS_ENABLE;
3494 else if (attr == &dev_attr_egpu_enable.attr)
3495 ok = asus->egpu_enable_available;
3496 else if (attr == &dev_attr_dgpu_disable.attr)
3497 ok = asus->dgpu_disable_available;
3498 else if (attr == &dev_attr_gpu_mux_mode.attr)
3499 ok = asus->gpu_mux_mode_available;
3500 else if (attr == &dev_attr_fan_boost_mode.attr)
3501 ok = asus->fan_boost_mode_available;
3502 else if (attr == &dev_attr_throttle_thermal_policy.attr)
3503 ok = asus->throttle_thermal_policy_available;
3504 else if (attr == &dev_attr_panel_od.attr)
3505 ok = asus->panel_overdrive_available;
3506
3507 if (devid != -1)
3508 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
3509
3510 return ok ? attr->mode : 0;
3511}
3512
3513static const struct attribute_group platform_attribute_group = {
3514 .is_visible = asus_sysfs_is_visible,
3515 .attrs = platform_attributes
3516};
3517
3518static void asus_wmi_sysfs_exit(struct platform_device *device)
3519{
3520 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
3521}
3522
3523static int asus_wmi_sysfs_init(struct platform_device *device)
3524{
3525 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
3526}
3527
3528/* Platform device ************************************************************/
3529
3530static int asus_wmi_platform_init(struct asus_wmi *asus)
3531{
3532 struct device *dev = &asus->platform_device->dev;
3533 char *wmi_uid;
3534 int rv;
3535
3536 /* INIT enable hotkeys on some models */
3537 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
3538 pr_info("Initialization: %#x\n", rv);
3539
3540 /* We don't know yet what to do with this version... */
3541 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
3542 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
3543 asus->spec = rv;
3544 }
3545
3546 /*
3547 * The SFUN method probably allows the original driver to get the list
3548 * of features supported by a given model. For now, 0x0100 or 0x0800
3549 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
3550 * The significance of others is yet to be found.
3551 */
3552 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
3553 pr_info("SFUN value: %#x\n", rv);
3554 asus->sfun = rv;
3555 }
3556
3557 /*
3558 * Eee PC and Notebooks seems to have different method_id for DSTS,
3559 * but it may also be related to the BIOS's SPEC.
3560 * Note, on most Eeepc, there is no way to check if a method exist
3561 * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
3562 * but once again, SPEC may probably be used for that kind of things.
3563 *
3564 * Additionally at least TUF Gaming series laptops return nothing for
3565 * unknown methods, so the detection in this way is not possible.
3566 *
3567 * There is strong indication that only ACPI WMI devices that have _UID
3568 * equal to "ASUSWMI" use DCTS whereas those with "ATK" use DSTS.
3569 */
3570 wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
3571 if (!wmi_uid)
3572 return -ENODEV;
3573
3574 if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
3575 dev_info(dev, "Detected ASUSWMI, use DCTS\n");
3576 asus->dsts_id = ASUS_WMI_METHODID_DCTS;
3577 } else {
3578 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
3579 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
3580 }
3581
3582 /*
3583 * Some devices can have multiple event codes stored in a queue before
3584 * the module load if it was unloaded intermittently after calling
3585 * the INIT method (enables event handling). The WMI notify handler is
3586 * expected to retrieve all event codes until a retrieved code equals
3587 * queue end marker (One or Ones). Old codes are flushed from the queue
3588 * upon module load. Not enabling this when it should be has minimal
3589 * visible impact so fall back if anything goes wrong.
3590 */
3591 wmi_uid = wmi_get_acpi_device_uid(asus->driver->event_guid);
3592 if (wmi_uid && !strcmp(wmi_uid, ASUS_ACPI_UID_ATK)) {
3593 dev_info(dev, "Detected ATK, enable event queue\n");
3594
3595 if (!asus_wmi_notify_queue_flush(asus))
3596 asus->wmi_event_queue = true;
3597 }
3598
3599 /* CWAP allow to define the behavior of the Fn+F2 key,
3600 * this method doesn't seems to be present on Eee PCs */
3601 if (asus->driver->quirks->wapf >= 0)
3602 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
3603 asus->driver->quirks->wapf, NULL);
3604
3605 return 0;
3606}
3607
3608/* debugfs ********************************************************************/
3609
3610struct asus_wmi_debugfs_node {
3611 struct asus_wmi *asus;
3612 char *name;
3613 int (*show) (struct seq_file *m, void *data);
3614};
3615
3616static int show_dsts(struct seq_file *m, void *data)
3617{
3618 struct asus_wmi *asus = m->private;
3619 int err;
3620 u32 retval = -1;
3621
3622 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
3623 if (err < 0)
3624 return err;
3625
3626 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
3627
3628 return 0;
3629}
3630
3631static int show_devs(struct seq_file *m, void *data)
3632{
3633 struct asus_wmi *asus = m->private;
3634 int err;
3635 u32 retval = -1;
3636
3637 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
3638 &retval);
3639 if (err < 0)
3640 return err;
3641
3642 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
3643 asus->debug.ctrl_param, retval);
3644
3645 return 0;
3646}
3647
3648static int show_call(struct seq_file *m, void *data)
3649{
3650 struct asus_wmi *asus = m->private;
3651 struct bios_args args = {
3652 .arg0 = asus->debug.dev_id,
3653 .arg1 = asus->debug.ctrl_param,
3654 };
3655 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
3656 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
3657 union acpi_object *obj;
3658 acpi_status status;
3659
3660 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
3661 0, asus->debug.method_id,
3662 &input, &output);
3663
3664 if (ACPI_FAILURE(status))
3665 return -EIO;
3666
3667 obj = (union acpi_object *)output.pointer;
3668 if (obj && obj->type == ACPI_TYPE_INTEGER)
3669 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
3670 asus->debug.dev_id, asus->debug.ctrl_param,
3671 (u32) obj->integer.value);
3672 else
3673 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
3674 asus->debug.dev_id, asus->debug.ctrl_param,
3675 obj ? obj->type : -1);
3676
3677 kfree(obj);
3678
3679 return 0;
3680}
3681
3682static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
3683 {NULL, "devs", show_devs},
3684 {NULL, "dsts", show_dsts},
3685 {NULL, "call", show_call},
3686};
3687
3688static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
3689{
3690 struct asus_wmi_debugfs_node *node = inode->i_private;
3691
3692 return single_open(file, node->show, node->asus);
3693}
3694
3695static const struct file_operations asus_wmi_debugfs_io_ops = {
3696 .owner = THIS_MODULE,
3697 .open = asus_wmi_debugfs_open,
3698 .read = seq_read,
3699 .llseek = seq_lseek,
3700 .release = single_release,
3701};
3702
3703static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
3704{
3705 debugfs_remove_recursive(asus->debug.root);
3706}
3707
3708static void asus_wmi_debugfs_init(struct asus_wmi *asus)
3709{
3710 int i;
3711
3712 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
3713
3714 debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
3715 &asus->debug.method_id);
3716
3717 debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
3718 &asus->debug.dev_id);
3719
3720 debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
3721 &asus->debug.ctrl_param);
3722
3723 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
3724 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
3725
3726 node->asus = asus;
3727 debugfs_create_file(node->name, S_IFREG | S_IRUGO,
3728 asus->debug.root, node,
3729 &asus_wmi_debugfs_io_ops);
3730 }
3731}
3732
3733/* Init / exit ****************************************************************/
3734
3735static int asus_wmi_add(struct platform_device *pdev)
3736{
3737 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
3738 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
3739 struct asus_wmi *asus;
3740 acpi_status status;
3741 int err;
3742 u32 result;
3743
3744 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
3745 if (!asus)
3746 return -ENOMEM;
3747
3748 asus->driver = wdrv;
3749 asus->platform_device = pdev;
3750 wdrv->platform_device = pdev;
3751 platform_set_drvdata(asus->platform_device, asus);
3752
3753 if (wdrv->detect_quirks)
3754 wdrv->detect_quirks(asus->driver);
3755
3756 err = asus_wmi_platform_init(asus);
3757 if (err)
3758 goto fail_platform;
3759
3760 asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU);
3761 asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU);
3762 asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX);
3763 asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE);
3764 asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
3765 asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD);
3766
3767 err = fan_boost_mode_check_present(asus);
3768 if (err)
3769 goto fail_fan_boost_mode;
3770
3771 err = throttle_thermal_policy_check_present(asus);
3772 if (err)
3773 goto fail_throttle_thermal_policy;
3774 else
3775 throttle_thermal_policy_set_default(asus);
3776
3777 err = platform_profile_setup(asus);
3778 if (err)
3779 goto fail_platform_profile_setup;
3780
3781 err = asus_wmi_sysfs_init(asus->platform_device);
3782 if (err)
3783 goto fail_sysfs;
3784
3785 err = asus_wmi_input_init(asus);
3786 if (err)
3787 goto fail_input;
3788
3789 err = asus_wmi_fan_init(asus); /* probably no problems on error */
3790
3791 err = asus_wmi_hwmon_init(asus);
3792 if (err)
3793 goto fail_hwmon;
3794
3795 err = asus_wmi_custom_fan_curve_init(asus);
3796 if (err)
3797 goto fail_custom_fan_curve;
3798
3799 err = asus_wmi_led_init(asus);
3800 if (err)
3801 goto fail_leds;
3802
3803 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
3804 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
3805 asus->driver->wlan_ctrl_by_user = 1;
3806
3807 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
3808 err = asus_wmi_rfkill_init(asus);
3809 if (err)
3810 goto fail_rfkill;
3811 }
3812
3813 if (asus->driver->quirks->wmi_force_als_set)
3814 asus_wmi_set_als();
3815
3816 if (asus->driver->quirks->xusb2pr)
3817 asus_wmi_set_xusb2pr(asus);
3818
3819 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
3820 err = asus_wmi_backlight_init(asus);
3821 if (err && err != -ENODEV)
3822 goto fail_backlight;
3823 } else if (asus->driver->quirks->wmi_backlight_set_devstate)
3824 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
3825
3826 if (asus_wmi_has_fnlock_key(asus)) {
3827 asus->fnlock_locked = fnlock_default;
3828 asus_wmi_fnlock_update(asus);
3829 }
3830
3831 status = wmi_install_notify_handler(asus->driver->event_guid,
3832 asus_wmi_notify, asus);
3833 if (ACPI_FAILURE(status)) {
3834 pr_err("Unable to register notify handler - %d\n", status);
3835 err = -ENODEV;
3836 goto fail_wmi_handler;
3837 }
3838
3839 asus_wmi_battery_init(asus);
3840
3841 asus_wmi_debugfs_init(asus);
3842
3843 return 0;
3844
3845fail_wmi_handler:
3846 asus_wmi_backlight_exit(asus);
3847fail_backlight:
3848 asus_wmi_rfkill_exit(asus);
3849fail_rfkill:
3850 asus_wmi_led_exit(asus);
3851fail_leds:
3852fail_hwmon:
3853 asus_wmi_input_exit(asus);
3854fail_input:
3855 asus_wmi_sysfs_exit(asus->platform_device);
3856fail_sysfs:
3857fail_throttle_thermal_policy:
3858fail_custom_fan_curve:
3859fail_platform_profile_setup:
3860 if (asus->platform_profile_support)
3861 platform_profile_remove();
3862fail_fan_boost_mode:
3863fail_platform:
3864 kfree(asus);
3865 return err;
3866}
3867
3868static int asus_wmi_remove(struct platform_device *device)
3869{
3870 struct asus_wmi *asus;
3871
3872 asus = platform_get_drvdata(device);
3873 wmi_remove_notify_handler(asus->driver->event_guid);
3874 asus_wmi_backlight_exit(asus);
3875 asus_wmi_input_exit(asus);
3876 asus_wmi_led_exit(asus);
3877 asus_wmi_rfkill_exit(asus);
3878 asus_wmi_debugfs_exit(asus);
3879 asus_wmi_sysfs_exit(asus->platform_device);
3880 asus_fan_set_auto(asus);
3881 throttle_thermal_policy_set_default(asus);
3882 asus_wmi_battery_exit(asus);
3883
3884 if (asus->platform_profile_support)
3885 platform_profile_remove();
3886
3887 kfree(asus);
3888 return 0;
3889}
3890
3891/* Platform driver - hibernate/resume callbacks *******************************/
3892
3893static int asus_hotk_thaw(struct device *device)
3894{
3895 struct asus_wmi *asus = dev_get_drvdata(device);
3896
3897 if (asus->wlan.rfkill) {
3898 bool wlan;
3899
3900 /*
3901 * Work around bios bug - acpi _PTS turns off the wireless led
3902 * during suspend. Normally it restores it on resume, but
3903 * we should kick it ourselves in case hibernation is aborted.
3904 */
3905 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
3906 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
3907 }
3908
3909 return 0;
3910}
3911
3912static int asus_hotk_resume(struct device *device)
3913{
3914 struct asus_wmi *asus = dev_get_drvdata(device);
3915
3916 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
3917 kbd_led_update(asus);
3918
3919 if (asus_wmi_has_fnlock_key(asus))
3920 asus_wmi_fnlock_update(asus);
3921
3922 asus_wmi_tablet_mode_get_state(asus);
3923 return 0;
3924}
3925
3926static int asus_hotk_restore(struct device *device)
3927{
3928 struct asus_wmi *asus = dev_get_drvdata(device);
3929 int bl;
3930
3931 /* Refresh both wlan rfkill state and pci hotplug */
3932 if (asus->wlan.rfkill)
3933 asus_rfkill_hotplug(asus);
3934
3935 if (asus->bluetooth.rfkill) {
3936 bl = !asus_wmi_get_devstate_simple(asus,
3937 ASUS_WMI_DEVID_BLUETOOTH);
3938 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
3939 }
3940 if (asus->wimax.rfkill) {
3941 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
3942 rfkill_set_sw_state(asus->wimax.rfkill, bl);
3943 }
3944 if (asus->wwan3g.rfkill) {
3945 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
3946 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
3947 }
3948 if (asus->gps.rfkill) {
3949 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
3950 rfkill_set_sw_state(asus->gps.rfkill, bl);
3951 }
3952 if (asus->uwb.rfkill) {
3953 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
3954 rfkill_set_sw_state(asus->uwb.rfkill, bl);
3955 }
3956 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
3957 kbd_led_update(asus);
3958
3959 if (asus_wmi_has_fnlock_key(asus))
3960 asus_wmi_fnlock_update(asus);
3961
3962 asus_wmi_tablet_mode_get_state(asus);
3963 return 0;
3964}
3965
3966static const struct dev_pm_ops asus_pm_ops = {
3967 .thaw = asus_hotk_thaw,
3968 .restore = asus_hotk_restore,
3969 .resume = asus_hotk_resume,
3970};
3971
3972/* Registration ***************************************************************/
3973
3974static int asus_wmi_probe(struct platform_device *pdev)
3975{
3976 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
3977 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
3978 int ret;
3979
3980 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
3981 pr_warn("ASUS Management GUID not found\n");
3982 return -ENODEV;
3983 }
3984
3985 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
3986 pr_warn("ASUS Event GUID not found\n");
3987 return -ENODEV;
3988 }
3989
3990 if (wdrv->probe) {
3991 ret = wdrv->probe(pdev);
3992 if (ret)
3993 return ret;
3994 }
3995
3996 return asus_wmi_add(pdev);
3997}
3998
3999static bool used;
4000
4001int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
4002{
4003 struct platform_driver *platform_driver;
4004 struct platform_device *platform_device;
4005
4006 if (used)
4007 return -EBUSY;
4008
4009 platform_driver = &driver->platform_driver;
4010 platform_driver->remove = asus_wmi_remove;
4011 platform_driver->driver.owner = driver->owner;
4012 platform_driver->driver.name = driver->name;
4013 platform_driver->driver.pm = &asus_pm_ops;
4014
4015 platform_device = platform_create_bundle(platform_driver,
4016 asus_wmi_probe,
4017 NULL, 0, NULL, 0);
4018 if (IS_ERR(platform_device))
4019 return PTR_ERR(platform_device);
4020
4021 used = true;
4022 return 0;
4023}
4024EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
4025
4026void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
4027{
4028 platform_device_unregister(driver->platform_device);
4029 platform_driver_unregister(&driver->platform_driver);
4030 used = false;
4031}
4032EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
4033
4034static int __init asus_wmi_init(void)
4035{
4036 pr_info("ASUS WMI generic driver loaded\n");
4037 return 0;
4038}
4039
4040static void __exit asus_wmi_exit(void)
4041{
4042 pr_info("ASUS WMI generic driver unloaded\n");
4043}
4044
4045module_init(asus_wmi_init);
4046module_exit(asus_wmi_exit);
1// SPDX-License-Identifier: GPL-2.0-or-later
2/*
3 * Asus PC WMI hotkey driver
4 *
5 * Copyright(C) 2010 Intel Corporation.
6 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
7 *
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>
12 */
13
14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15
16#include <linux/acpi.h>
17#include <linux/backlight.h>
18#include <linux/debugfs.h>
19#include <linux/delay.h>
20#include <linux/dmi.h>
21#include <linux/fb.h>
22#include <linux/hwmon.h>
23#include <linux/hwmon-sysfs.h>
24#include <linux/init.h>
25#include <linux/input.h>
26#include <linux/input/sparse-keymap.h>
27#include <linux/kernel.h>
28#include <linux/leds.h>
29#include <linux/minmax.h>
30#include <linux/module.h>
31#include <linux/pci.h>
32#include <linux/pci_hotplug.h>
33#include <linux/platform_data/x86/asus-wmi.h>
34#include <linux/platform_device.h>
35#include <linux/platform_profile.h>
36#include <linux/power_supply.h>
37#include <linux/rfkill.h>
38#include <linux/seq_file.h>
39#include <linux/slab.h>
40#include <linux/types.h>
41#include <linux/units.h>
42
43#include <acpi/battery.h>
44#include <acpi/video.h>
45
46#include "asus-wmi.h"
47
48MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>");
49MODULE_AUTHOR("Yong Wang <yong.y.wang@intel.com>");
50MODULE_DESCRIPTION("Asus Generic WMI Driver");
51MODULE_LICENSE("GPL");
52
53static bool fnlock_default = true;
54module_param(fnlock_default, bool, 0444);
55
56#define to_asus_wmi_driver(pdrv) \
57 (container_of((pdrv), struct asus_wmi_driver, platform_driver))
58
59#define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
60
61#define NOTIFY_BRNUP_MIN 0x11
62#define NOTIFY_BRNUP_MAX 0x1f
63#define NOTIFY_BRNDOWN_MIN 0x20
64#define NOTIFY_BRNDOWN_MAX 0x2e
65#define NOTIFY_FNLOCK_TOGGLE 0x4e
66#define NOTIFY_KBD_DOCK_CHANGE 0x75
67#define NOTIFY_KBD_BRTUP 0xc4
68#define NOTIFY_KBD_BRTDWN 0xc5
69#define NOTIFY_KBD_BRTTOGGLE 0xc7
70#define NOTIFY_KBD_FBM 0x99
71#define NOTIFY_KBD_TTP 0xae
72#define NOTIFY_LID_FLIP 0xfa
73#define NOTIFY_LID_FLIP_ROG 0xbd
74
75#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
76
77#define ASUS_MID_FAN_DESC "mid_fan"
78#define ASUS_GPU_FAN_DESC "gpu_fan"
79#define ASUS_FAN_DESC "cpu_fan"
80#define ASUS_FAN_MFUN 0x13
81#define ASUS_FAN_SFUN_READ 0x06
82#define ASUS_FAN_SFUN_WRITE 0x07
83
84/* Based on standard hwmon pwmX_enable values */
85#define ASUS_FAN_CTRL_FULLSPEED 0
86#define ASUS_FAN_CTRL_MANUAL 1
87#define ASUS_FAN_CTRL_AUTO 2
88
89#define ASUS_FAN_BOOST_MODE_NORMAL 0
90#define ASUS_FAN_BOOST_MODE_OVERBOOST 1
91#define ASUS_FAN_BOOST_MODE_OVERBOOST_MASK 0x01
92#define ASUS_FAN_BOOST_MODE_SILENT 2
93#define ASUS_FAN_BOOST_MODE_SILENT_MASK 0x02
94#define ASUS_FAN_BOOST_MODES_MASK 0x03
95
96#define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT 0
97#define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST 1
98#define ASUS_THROTTLE_THERMAL_POLICY_SILENT 2
99
100#define USB_INTEL_XUSB2PR 0xD0
101#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
102
103#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
104
105#define WMI_EVENT_MASK 0xFFFF
106
107#define FAN_CURVE_POINTS 8
108#define FAN_CURVE_BUF_LEN 32
109#define FAN_CURVE_DEV_CPU 0x00
110#define FAN_CURVE_DEV_GPU 0x01
111#define FAN_CURVE_DEV_MID 0x02
112/* Mask to determine if setting temperature or percentage */
113#define FAN_CURVE_PWM_MASK 0x04
114
115/* Limits for tunables available on ASUS ROG laptops */
116#define PPT_TOTAL_MIN 5
117#define PPT_TOTAL_MAX 250
118#define PPT_CPU_MIN 5
119#define PPT_CPU_MAX 130
120#define NVIDIA_BOOST_MIN 5
121#define NVIDIA_BOOST_MAX 25
122#define NVIDIA_TEMP_MIN 75
123#define NVIDIA_TEMP_MAX 87
124
125#define ASUS_SCREENPAD_BRIGHT_MIN 20
126#define ASUS_SCREENPAD_BRIGHT_MAX 255
127#define ASUS_SCREENPAD_BRIGHT_DEFAULT 60
128
129/* Controls the power state of the USB0 hub on ROG Ally which input is on */
130#define ASUS_USB0_PWR_EC0_CSEE "\\_SB.PCI0.SBRG.EC0.CSEE"
131/* 300ms so far seems to produce a reliable result on AC and battery */
132#define ASUS_USB0_PWR_EC0_CSEE_WAIT 300
133
134static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
135
136static int throttle_thermal_policy_write(struct asus_wmi *);
137
138static bool ashs_present(void)
139{
140 int i = 0;
141 while (ashs_ids[i]) {
142 if (acpi_dev_found(ashs_ids[i++]))
143 return true;
144 }
145 return false;
146}
147
148struct bios_args {
149 u32 arg0;
150 u32 arg1;
151 u32 arg2; /* At least TUF Gaming series uses 3 dword input buffer. */
152 u32 arg3;
153 u32 arg4; /* Some ROG laptops require a full 5 input args */
154 u32 arg5;
155} __packed;
156
157/*
158 * Struct that's used for all methods called via AGFN. Naming is
159 * identically to the AML code.
160 */
161struct agfn_args {
162 u16 mfun; /* probably "Multi-function" to be called */
163 u16 sfun; /* probably "Sub-function" to be called */
164 u16 len; /* size of the hole struct, including subfunction fields */
165 u8 stas; /* not used by now */
166 u8 err; /* zero on success */
167} __packed;
168
169/* struct used for calling fan read and write methods */
170struct agfn_fan_args {
171 struct agfn_args agfn; /* common fields */
172 u8 fan; /* fan number: 0: set auto mode 1: 1st fan */
173 u32 speed; /* read: RPM/100 - write: 0-255 */
174} __packed;
175
176/*
177 * <platform>/ - debugfs root directory
178 * dev_id - current dev_id
179 * ctrl_param - current ctrl_param
180 * method_id - current method_id
181 * devs - call DEVS(dev_id, ctrl_param) and print result
182 * dsts - call DSTS(dev_id) and print result
183 * call - call method_id(dev_id, ctrl_param) and print result
184 */
185struct asus_wmi_debug {
186 struct dentry *root;
187 u32 method_id;
188 u32 dev_id;
189 u32 ctrl_param;
190};
191
192struct asus_rfkill {
193 struct asus_wmi *asus;
194 struct rfkill *rfkill;
195 u32 dev_id;
196};
197
198enum fan_type {
199 FAN_TYPE_NONE = 0,
200 FAN_TYPE_AGFN, /* deprecated on newer platforms */
201 FAN_TYPE_SPEC83, /* starting in Spec 8.3, use CPU_FAN_CTRL */
202};
203
204struct fan_curve_data {
205 bool enabled;
206 u32 device_id;
207 u8 temps[FAN_CURVE_POINTS];
208 u8 percents[FAN_CURVE_POINTS];
209};
210
211struct asus_wmi {
212 int dsts_id;
213 int spec;
214 int sfun;
215
216 struct input_dev *inputdev;
217 struct backlight_device *backlight_device;
218 struct backlight_device *screenpad_backlight_device;
219 struct platform_device *platform_device;
220
221 struct led_classdev wlan_led;
222 int wlan_led_wk;
223 struct led_classdev tpd_led;
224 int tpd_led_wk;
225 struct led_classdev kbd_led;
226 int kbd_led_wk;
227 struct led_classdev lightbar_led;
228 int lightbar_led_wk;
229 struct led_classdev micmute_led;
230 struct workqueue_struct *led_workqueue;
231 struct work_struct tpd_led_work;
232 struct work_struct wlan_led_work;
233 struct work_struct lightbar_led_work;
234
235 struct asus_rfkill wlan;
236 struct asus_rfkill bluetooth;
237 struct asus_rfkill wimax;
238 struct asus_rfkill wwan3g;
239 struct asus_rfkill gps;
240 struct asus_rfkill uwb;
241
242 int tablet_switch_event_code;
243 u32 tablet_switch_dev_id;
244 bool tablet_switch_inverted;
245
246 enum fan_type fan_type;
247 enum fan_type gpu_fan_type;
248 enum fan_type mid_fan_type;
249 int fan_pwm_mode;
250 int gpu_fan_pwm_mode;
251 int mid_fan_pwm_mode;
252 int agfn_pwm;
253
254 bool fan_boost_mode_available;
255 u8 fan_boost_mode_mask;
256 u8 fan_boost_mode;
257
258 bool charge_mode_available;
259 bool egpu_enable_available;
260 bool egpu_connect_available;
261 bool dgpu_disable_available;
262 bool gpu_mux_mode_available;
263
264 /* Tunables provided by ASUS for gaming laptops */
265 bool ppt_pl2_sppt_available;
266 bool ppt_pl1_spl_available;
267 bool ppt_apu_sppt_available;
268 bool ppt_plat_sppt_available;
269 bool ppt_fppt_available;
270 bool nv_dyn_boost_available;
271 bool nv_temp_tgt_available;
272
273 bool kbd_rgb_mode_available;
274 bool kbd_rgb_state_available;
275
276 bool throttle_thermal_policy_available;
277 u8 throttle_thermal_policy_mode;
278
279 bool cpu_fan_curve_available;
280 bool gpu_fan_curve_available;
281 bool mid_fan_curve_available;
282 struct fan_curve_data custom_fan_curves[3];
283
284 struct platform_profile_handler platform_profile_handler;
285 bool platform_profile_support;
286
287 // The RSOC controls the maximum charging percentage.
288 bool battery_rsoc_available;
289
290 bool panel_overdrive_available;
291 bool mini_led_mode_available;
292
293 struct hotplug_slot hotplug_slot;
294 struct mutex hotplug_lock;
295 struct mutex wmi_lock;
296 struct workqueue_struct *hotplug_workqueue;
297 struct work_struct hotplug_work;
298
299 bool fnlock_locked;
300
301 /* The ROG Ally device requires the MCU USB device be disconnected before suspend */
302 bool ally_mcu_usb_switch;
303
304 struct asus_wmi_debug debug;
305
306 struct asus_wmi_driver *driver;
307};
308
309/* WMI ************************************************************************/
310
311static int asus_wmi_evaluate_method3(u32 method_id,
312 u32 arg0, u32 arg1, u32 arg2, u32 *retval)
313{
314 struct bios_args args = {
315 .arg0 = arg0,
316 .arg1 = arg1,
317 .arg2 = arg2,
318 };
319 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
320 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
321 acpi_status status;
322 union acpi_object *obj;
323 u32 tmp = 0;
324
325 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
326 &input, &output);
327
328 if (ACPI_FAILURE(status))
329 return -EIO;
330
331 obj = (union acpi_object *)output.pointer;
332 if (obj && obj->type == ACPI_TYPE_INTEGER)
333 tmp = (u32) obj->integer.value;
334
335 if (retval)
336 *retval = tmp;
337
338 kfree(obj);
339
340 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
341 return -ENODEV;
342
343 return 0;
344}
345
346int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
347{
348 return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
349}
350EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
351
352static int asus_wmi_evaluate_method5(u32 method_id,
353 u32 arg0, u32 arg1, u32 arg2, u32 arg3, u32 arg4, u32 *retval)
354{
355 struct bios_args args = {
356 .arg0 = arg0,
357 .arg1 = arg1,
358 .arg2 = arg2,
359 .arg3 = arg3,
360 .arg4 = arg4,
361 };
362 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
363 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
364 acpi_status status;
365 union acpi_object *obj;
366 u32 tmp = 0;
367
368 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
369 &input, &output);
370
371 if (ACPI_FAILURE(status))
372 return -EIO;
373
374 obj = (union acpi_object *)output.pointer;
375 if (obj && obj->type == ACPI_TYPE_INTEGER)
376 tmp = (u32) obj->integer.value;
377
378 if (retval)
379 *retval = tmp;
380
381 kfree(obj);
382
383 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
384 return -ENODEV;
385
386 return 0;
387}
388
389/*
390 * Returns as an error if the method output is not a buffer. Typically this
391 * means that the method called is unsupported.
392 */
393static int asus_wmi_evaluate_method_buf(u32 method_id,
394 u32 arg0, u32 arg1, u8 *ret_buffer, size_t size)
395{
396 struct bios_args args = {
397 .arg0 = arg0,
398 .arg1 = arg1,
399 .arg2 = 0,
400 };
401 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
402 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
403 acpi_status status;
404 union acpi_object *obj;
405 int err = 0;
406
407 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
408 &input, &output);
409
410 if (ACPI_FAILURE(status))
411 return -EIO;
412
413 obj = (union acpi_object *)output.pointer;
414
415 switch (obj->type) {
416 case ACPI_TYPE_BUFFER:
417 if (obj->buffer.length > size) {
418 err = -ENOSPC;
419 break;
420 }
421 if (obj->buffer.length == 0) {
422 err = -ENODATA;
423 break;
424 }
425
426 memcpy(ret_buffer, obj->buffer.pointer, obj->buffer.length);
427 break;
428 case ACPI_TYPE_INTEGER:
429 err = (u32)obj->integer.value;
430
431 if (err == ASUS_WMI_UNSUPPORTED_METHOD)
432 err = -ENODEV;
433 /*
434 * At least one method returns a 0 with no buffer if no arg
435 * is provided, such as ASUS_WMI_DEVID_CPU_FAN_CURVE
436 */
437 if (err == 0)
438 err = -ENODATA;
439 break;
440 default:
441 err = -ENODATA;
442 break;
443 }
444
445 kfree(obj);
446
447 if (err)
448 return err;
449
450 return 0;
451}
452
453static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
454{
455 struct acpi_buffer input;
456 u64 phys_addr;
457 u32 retval;
458 u32 status;
459
460 /*
461 * Copy to dma capable address otherwise memory corruption occurs as
462 * bios has to be able to access it.
463 */
464 input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL);
465 input.length = args.length;
466 if (!input.pointer)
467 return -ENOMEM;
468 phys_addr = virt_to_phys(input.pointer);
469
470 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
471 phys_addr, 0, &retval);
472 if (!status)
473 memcpy(args.pointer, input.pointer, args.length);
474
475 kfree(input.pointer);
476 if (status)
477 return -ENXIO;
478
479 return retval;
480}
481
482static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
483{
484 int err;
485
486 err = asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
487
488 if (err)
489 return err;
490
491 if (*retval == ~0)
492 return -ENODEV;
493
494 return 0;
495}
496
497static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
498 u32 *retval)
499{
500 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
501 ctrl_param, retval);
502}
503
504/* Helper for special devices with magic return codes */
505static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
506 u32 dev_id, u32 mask)
507{
508 u32 retval = 0;
509 int err;
510
511 err = asus_wmi_get_devstate(asus, dev_id, &retval);
512 if (err < 0)
513 return err;
514
515 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
516 return -ENODEV;
517
518 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
519 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
520 return -ENODEV;
521 }
522
523 return retval & mask;
524}
525
526static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
527{
528 return asus_wmi_get_devstate_bits(asus, dev_id,
529 ASUS_WMI_DSTS_STATUS_BIT);
530}
531
532static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
533{
534 u32 retval;
535 int status = asus_wmi_get_devstate(asus, dev_id, &retval);
536
537 return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
538}
539
540/* Input **********************************************************************/
541static void asus_wmi_tablet_sw_report(struct asus_wmi *asus, bool value)
542{
543 input_report_switch(asus->inputdev, SW_TABLET_MODE,
544 asus->tablet_switch_inverted ? !value : value);
545 input_sync(asus->inputdev);
546}
547
548static void asus_wmi_tablet_sw_init(struct asus_wmi *asus, u32 dev_id, int event_code)
549{
550 struct device *dev = &asus->platform_device->dev;
551 int result;
552
553 result = asus_wmi_get_devstate_simple(asus, dev_id);
554 if (result >= 0) {
555 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
556 asus_wmi_tablet_sw_report(asus, result);
557 asus->tablet_switch_dev_id = dev_id;
558 asus->tablet_switch_event_code = event_code;
559 } else if (result == -ENODEV) {
560 dev_err(dev, "This device has tablet-mode-switch quirk but got ENODEV checking it. This is a bug.");
561 } else {
562 dev_err(dev, "Error checking for tablet-mode-switch: %d\n", result);
563 }
564}
565
566static int asus_wmi_input_init(struct asus_wmi *asus)
567{
568 struct device *dev = &asus->platform_device->dev;
569 int err;
570
571 asus->inputdev = input_allocate_device();
572 if (!asus->inputdev)
573 return -ENOMEM;
574
575 asus->inputdev->name = asus->driver->input_name;
576 asus->inputdev->phys = asus->driver->input_phys;
577 asus->inputdev->id.bustype = BUS_HOST;
578 asus->inputdev->dev.parent = dev;
579 set_bit(EV_REP, asus->inputdev->evbit);
580
581 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
582 if (err)
583 goto err_free_dev;
584
585 switch (asus->driver->quirks->tablet_switch_mode) {
586 case asus_wmi_no_tablet_switch:
587 break;
588 case asus_wmi_kbd_dock_devid:
589 asus->tablet_switch_inverted = true;
590 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_KBD_DOCK, NOTIFY_KBD_DOCK_CHANGE);
591 break;
592 case asus_wmi_lid_flip_devid:
593 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP, NOTIFY_LID_FLIP);
594 break;
595 case asus_wmi_lid_flip_rog_devid:
596 asus_wmi_tablet_sw_init(asus, ASUS_WMI_DEVID_LID_FLIP_ROG, NOTIFY_LID_FLIP_ROG);
597 break;
598 }
599
600 err = input_register_device(asus->inputdev);
601 if (err)
602 goto err_free_dev;
603
604 return 0;
605
606err_free_dev:
607 input_free_device(asus->inputdev);
608 return err;
609}
610
611static void asus_wmi_input_exit(struct asus_wmi *asus)
612{
613 if (asus->inputdev)
614 input_unregister_device(asus->inputdev);
615
616 asus->inputdev = NULL;
617}
618
619/* Tablet mode ****************************************************************/
620
621static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus)
622{
623 int result;
624
625 if (!asus->tablet_switch_dev_id)
626 return;
627
628 result = asus_wmi_get_devstate_simple(asus, asus->tablet_switch_dev_id);
629 if (result >= 0)
630 asus_wmi_tablet_sw_report(asus, result);
631}
632
633/* Charging mode, 1=Barrel, 2=USB ******************************************/
634static ssize_t charge_mode_show(struct device *dev,
635 struct device_attribute *attr, char *buf)
636{
637 struct asus_wmi *asus = dev_get_drvdata(dev);
638 int result, value;
639
640 result = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CHARGE_MODE, &value);
641 if (result < 0)
642 return result;
643
644 return sysfs_emit(buf, "%d\n", value & 0xff);
645}
646
647static DEVICE_ATTR_RO(charge_mode);
648
649/* dGPU ********************************************************************/
650static ssize_t dgpu_disable_show(struct device *dev,
651 struct device_attribute *attr, char *buf)
652{
653 struct asus_wmi *asus = dev_get_drvdata(dev);
654 int result;
655
656 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
657 if (result < 0)
658 return result;
659
660 return sysfs_emit(buf, "%d\n", result);
661}
662
663/*
664 * A user may be required to store the value twice, typcial store first, then
665 * rescan PCI bus to activate power, then store a second time to save correctly.
666 * The reason for this is that an extra code path in the ACPI is enabled when
667 * the device and bus are powered.
668 */
669static ssize_t dgpu_disable_store(struct device *dev,
670 struct device_attribute *attr,
671 const char *buf, size_t count)
672{
673 int result, err;
674 u32 disable;
675
676 struct asus_wmi *asus = dev_get_drvdata(dev);
677
678 result = kstrtou32(buf, 10, &disable);
679 if (result)
680 return result;
681
682 if (disable > 1)
683 return -EINVAL;
684
685 if (asus->gpu_mux_mode_available) {
686 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
687 if (result < 0)
688 /* An error here may signal greater failure of GPU handling */
689 return result;
690 if (!result && disable) {
691 err = -ENODEV;
692 pr_warn("Can not disable dGPU when the MUX is in dGPU mode: %d\n", err);
693 return err;
694 }
695 }
696
697 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, disable, &result);
698 if (err) {
699 pr_warn("Failed to set dgpu disable: %d\n", err);
700 return err;
701 }
702
703 if (result > 1) {
704 pr_warn("Failed to set dgpu disable (result): 0x%x\n", result);
705 return -EIO;
706 }
707
708 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable");
709
710 return count;
711}
712static DEVICE_ATTR_RW(dgpu_disable);
713
714/* eGPU ********************************************************************/
715static ssize_t egpu_enable_show(struct device *dev,
716 struct device_attribute *attr, char *buf)
717{
718 struct asus_wmi *asus = dev_get_drvdata(dev);
719 int result;
720
721 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
722 if (result < 0)
723 return result;
724
725 return sysfs_emit(buf, "%d\n", result);
726}
727
728/* The ACPI call to enable the eGPU also disables the internal dGPU */
729static ssize_t egpu_enable_store(struct device *dev,
730 struct device_attribute *attr,
731 const char *buf, size_t count)
732{
733 int result, err;
734 u32 enable;
735
736 struct asus_wmi *asus = dev_get_drvdata(dev);
737
738 err = kstrtou32(buf, 10, &enable);
739 if (err)
740 return err;
741
742 if (enable > 1)
743 return -EINVAL;
744
745 err = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
746 if (err < 0) {
747 pr_warn("Failed to get egpu connection status: %d\n", err);
748 return err;
749 }
750
751 if (asus->gpu_mux_mode_available) {
752 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
753 if (result < 0) {
754 /* An error here may signal greater failure of GPU handling */
755 pr_warn("Failed to get gpu mux status: %d\n", result);
756 return result;
757 }
758 if (!result && enable) {
759 err = -ENODEV;
760 pr_warn("Can not enable eGPU when the MUX is in dGPU mode: %d\n", err);
761 return err;
762 }
763 }
764
765 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, enable, &result);
766 if (err) {
767 pr_warn("Failed to set egpu state: %d\n", err);
768 return err;
769 }
770
771 if (result > 1) {
772 pr_warn("Failed to set egpu state (retval): 0x%x\n", result);
773 return -EIO;
774 }
775
776 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
777
778 return count;
779}
780static DEVICE_ATTR_RW(egpu_enable);
781
782/* Is eGPU connected? *********************************************************/
783static ssize_t egpu_connected_show(struct device *dev,
784 struct device_attribute *attr, char *buf)
785{
786 struct asus_wmi *asus = dev_get_drvdata(dev);
787 int result;
788
789 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
790 if (result < 0)
791 return result;
792
793 return sysfs_emit(buf, "%d\n", result);
794}
795
796static DEVICE_ATTR_RO(egpu_connected);
797
798/* gpu mux switch *************************************************************/
799static ssize_t gpu_mux_mode_show(struct device *dev,
800 struct device_attribute *attr, char *buf)
801{
802 struct asus_wmi *asus = dev_get_drvdata(dev);
803 int result;
804
805 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
806 if (result < 0)
807 return result;
808
809 return sysfs_emit(buf, "%d\n", result);
810}
811
812static ssize_t gpu_mux_mode_store(struct device *dev,
813 struct device_attribute *attr,
814 const char *buf, size_t count)
815{
816 struct asus_wmi *asus = dev_get_drvdata(dev);
817 int result, err;
818 u32 optimus;
819
820 err = kstrtou32(buf, 10, &optimus);
821 if (err)
822 return err;
823
824 if (optimus > 1)
825 return -EINVAL;
826
827 if (asus->dgpu_disable_available) {
828 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_DGPU);
829 if (result < 0)
830 /* An error here may signal greater failure of GPU handling */
831 return result;
832 if (result && !optimus) {
833 err = -ENODEV;
834 pr_warn("Can not switch MUX to dGPU mode when dGPU is disabled: %d\n", err);
835 return err;
836 }
837 }
838
839 if (asus->egpu_enable_available) {
840 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU);
841 if (result < 0)
842 /* An error here may signal greater failure of GPU handling */
843 return result;
844 if (result && !optimus) {
845 err = -ENODEV;
846 pr_warn("Can not switch MUX to dGPU mode when eGPU is enabled: %d\n", err);
847 return err;
848 }
849 }
850
851 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result);
852 if (err) {
853 dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
854 return err;
855 }
856 /* !1 is considered a fail by ASUS */
857 if (result != 1) {
858 dev_warn(dev, "Failed to set GPU MUX mode (result): 0x%x\n", result);
859 return -EIO;
860 }
861
862 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "gpu_mux_mode");
863
864 return count;
865}
866static DEVICE_ATTR_RW(gpu_mux_mode);
867
868/* TUF Laptop Keyboard RGB Modes **********************************************/
869static ssize_t kbd_rgb_mode_store(struct device *dev,
870 struct device_attribute *attr,
871 const char *buf, size_t count)
872{
873 u32 cmd, mode, r, g, b, speed;
874 int err;
875
876 if (sscanf(buf, "%d %d %d %d %d %d", &cmd, &mode, &r, &g, &b, &speed) != 6)
877 return -EINVAL;
878
879 /* B3 is set and B4 is save to BIOS */
880 switch (cmd) {
881 case 0:
882 cmd = 0xb3;
883 break;
884 case 1:
885 cmd = 0xb4;
886 break;
887 default:
888 return -EINVAL;
889 }
890
891 /* These are the known usable modes across all TUF/ROG */
892 if (mode >= 12 || mode == 9)
893 mode = 10;
894
895 switch (speed) {
896 case 0:
897 speed = 0xe1;
898 break;
899 case 1:
900 speed = 0xeb;
901 break;
902 case 2:
903 speed = 0xf5;
904 break;
905 default:
906 speed = 0xeb;
907 }
908
909 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE,
910 cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL);
911 if (err)
912 return err;
913
914 return count;
915}
916static DEVICE_ATTR_WO(kbd_rgb_mode);
917
918static ssize_t kbd_rgb_mode_index_show(struct device *device,
919 struct device_attribute *attr,
920 char *buf)
921{
922 return sysfs_emit(buf, "%s\n", "cmd mode red green blue speed");
923}
924static DEVICE_ATTR_RO(kbd_rgb_mode_index);
925
926static struct attribute *kbd_rgb_mode_attrs[] = {
927 &dev_attr_kbd_rgb_mode.attr,
928 &dev_attr_kbd_rgb_mode_index.attr,
929 NULL,
930};
931
932static const struct attribute_group kbd_rgb_mode_group = {
933 .attrs = kbd_rgb_mode_attrs,
934};
935
936/* TUF Laptop Keyboard RGB State **********************************************/
937static ssize_t kbd_rgb_state_store(struct device *dev,
938 struct device_attribute *attr,
939 const char *buf, size_t count)
940{
941 u32 flags, cmd, boot, awake, sleep, keyboard;
942 int err;
943
944 if (sscanf(buf, "%d %d %d %d %d", &cmd, &boot, &awake, &sleep, &keyboard) != 5)
945 return -EINVAL;
946
947 if (cmd)
948 cmd = BIT(2);
949
950 flags = 0;
951 if (boot)
952 flags |= BIT(1);
953 if (awake)
954 flags |= BIT(3);
955 if (sleep)
956 flags |= BIT(5);
957 if (keyboard)
958 flags |= BIT(7);
959
960 /* 0xbd is the required default arg0 for the method. Nothing happens otherwise */
961 err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS,
962 ASUS_WMI_DEVID_TUF_RGB_STATE, 0xbd | cmd << 8 | (flags << 16), 0, NULL);
963 if (err)
964 return err;
965
966 return count;
967}
968static DEVICE_ATTR_WO(kbd_rgb_state);
969
970static ssize_t kbd_rgb_state_index_show(struct device *device,
971 struct device_attribute *attr,
972 char *buf)
973{
974 return sysfs_emit(buf, "%s\n", "cmd boot awake sleep keyboard");
975}
976static DEVICE_ATTR_RO(kbd_rgb_state_index);
977
978static struct attribute *kbd_rgb_state_attrs[] = {
979 &dev_attr_kbd_rgb_state.attr,
980 &dev_attr_kbd_rgb_state_index.attr,
981 NULL,
982};
983
984static const struct attribute_group kbd_rgb_state_group = {
985 .attrs = kbd_rgb_state_attrs,
986};
987
988static const struct attribute_group *kbd_rgb_mode_groups[] = {
989 NULL,
990 NULL,
991 NULL,
992};
993
994/* Tunable: PPT: Intel=PL1, AMD=SPPT *****************************************/
995static ssize_t ppt_pl2_sppt_store(struct device *dev,
996 struct device_attribute *attr,
997 const char *buf, size_t count)
998{
999 int result, err;
1000 u32 value;
1001
1002 struct asus_wmi *asus = dev_get_drvdata(dev);
1003
1004 result = kstrtou32(buf, 10, &value);
1005 if (result)
1006 return result;
1007
1008 if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX)
1009 return -EINVAL;
1010
1011 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PL2_SPPT, value, &result);
1012 if (err) {
1013 pr_warn("Failed to set ppt_pl2_sppt: %d\n", err);
1014 return err;
1015 }
1016
1017 if (result > 1) {
1018 pr_warn("Failed to set ppt_pl2_sppt (result): 0x%x\n", result);
1019 return -EIO;
1020 }
1021
1022 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl2_sppt");
1023
1024 return count;
1025}
1026static DEVICE_ATTR_WO(ppt_pl2_sppt);
1027
1028/* Tunable: PPT, Intel=PL1, AMD=SPL ******************************************/
1029static ssize_t ppt_pl1_spl_store(struct device *dev,
1030 struct device_attribute *attr,
1031 const char *buf, size_t count)
1032{
1033 int result, err;
1034 u32 value;
1035
1036 struct asus_wmi *asus = dev_get_drvdata(dev);
1037
1038 result = kstrtou32(buf, 10, &value);
1039 if (result)
1040 return result;
1041
1042 if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX)
1043 return -EINVAL;
1044
1045 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PL1_SPL, value, &result);
1046 if (err) {
1047 pr_warn("Failed to set ppt_pl1_spl: %d\n", err);
1048 return err;
1049 }
1050
1051 if (result > 1) {
1052 pr_warn("Failed to set ppt_pl1_spl (result): 0x%x\n", result);
1053 return -EIO;
1054 }
1055
1056 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl1_spl");
1057
1058 return count;
1059}
1060static DEVICE_ATTR_WO(ppt_pl1_spl);
1061
1062/* Tunable: PPT APU FPPT ******************************************************/
1063static ssize_t ppt_fppt_store(struct device *dev,
1064 struct device_attribute *attr,
1065 const char *buf, size_t count)
1066{
1067 int result, err;
1068 u32 value;
1069
1070 struct asus_wmi *asus = dev_get_drvdata(dev);
1071
1072 result = kstrtou32(buf, 10, &value);
1073 if (result)
1074 return result;
1075
1076 if (value < PPT_TOTAL_MIN || value > PPT_TOTAL_MAX)
1077 return -EINVAL;
1078
1079 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_FPPT, value, &result);
1080 if (err) {
1081 pr_warn("Failed to set ppt_fppt: %d\n", err);
1082 return err;
1083 }
1084
1085 if (result > 1) {
1086 pr_warn("Failed to set ppt_fppt (result): 0x%x\n", result);
1087 return -EIO;
1088 }
1089
1090 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_fpu_sppt");
1091
1092 return count;
1093}
1094static DEVICE_ATTR_WO(ppt_fppt);
1095
1096/* Tunable: PPT APU SPPT *****************************************************/
1097static ssize_t ppt_apu_sppt_store(struct device *dev,
1098 struct device_attribute *attr,
1099 const char *buf, size_t count)
1100{
1101 int result, err;
1102 u32 value;
1103
1104 struct asus_wmi *asus = dev_get_drvdata(dev);
1105
1106 result = kstrtou32(buf, 10, &value);
1107 if (result)
1108 return result;
1109
1110 if (value < PPT_CPU_MIN || value > PPT_CPU_MAX)
1111 return -EINVAL;
1112
1113 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_APU_SPPT, value, &result);
1114 if (err) {
1115 pr_warn("Failed to set ppt_apu_sppt: %d\n", err);
1116 return err;
1117 }
1118
1119 if (result > 1) {
1120 pr_warn("Failed to set ppt_apu_sppt (result): 0x%x\n", result);
1121 return -EIO;
1122 }
1123
1124 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_apu_sppt");
1125
1126 return count;
1127}
1128static DEVICE_ATTR_WO(ppt_apu_sppt);
1129
1130/* Tunable: PPT platform SPPT ************************************************/
1131static ssize_t ppt_platform_sppt_store(struct device *dev,
1132 struct device_attribute *attr,
1133 const char *buf, size_t count)
1134{
1135 int result, err;
1136 u32 value;
1137
1138 struct asus_wmi *asus = dev_get_drvdata(dev);
1139
1140 result = kstrtou32(buf, 10, &value);
1141 if (result)
1142 return result;
1143
1144 if (value < PPT_CPU_MIN || value > PPT_CPU_MAX)
1145 return -EINVAL;
1146
1147 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PPT_PLAT_SPPT, value, &result);
1148 if (err) {
1149 pr_warn("Failed to set ppt_platform_sppt: %d\n", err);
1150 return err;
1151 }
1152
1153 if (result > 1) {
1154 pr_warn("Failed to set ppt_platform_sppt (result): 0x%x\n", result);
1155 return -EIO;
1156 }
1157
1158 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_platform_sppt");
1159
1160 return count;
1161}
1162static DEVICE_ATTR_WO(ppt_platform_sppt);
1163
1164/* Tunable: NVIDIA dynamic boost *********************************************/
1165static ssize_t nv_dynamic_boost_store(struct device *dev,
1166 struct device_attribute *attr,
1167 const char *buf, size_t count)
1168{
1169 int result, err;
1170 u32 value;
1171
1172 struct asus_wmi *asus = dev_get_drvdata(dev);
1173
1174 result = kstrtou32(buf, 10, &value);
1175 if (result)
1176 return result;
1177
1178 if (value < NVIDIA_BOOST_MIN || value > NVIDIA_BOOST_MAX)
1179 return -EINVAL;
1180
1181 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_NV_DYN_BOOST, value, &result);
1182 if (err) {
1183 pr_warn("Failed to set nv_dynamic_boost: %d\n", err);
1184 return err;
1185 }
1186
1187 if (result > 1) {
1188 pr_warn("Failed to set nv_dynamic_boost (result): 0x%x\n", result);
1189 return -EIO;
1190 }
1191
1192 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_dynamic_boost");
1193
1194 return count;
1195}
1196static DEVICE_ATTR_WO(nv_dynamic_boost);
1197
1198/* Tunable: NVIDIA temperature target ****************************************/
1199static ssize_t nv_temp_target_store(struct device *dev,
1200 struct device_attribute *attr,
1201 const char *buf, size_t count)
1202{
1203 int result, err;
1204 u32 value;
1205
1206 struct asus_wmi *asus = dev_get_drvdata(dev);
1207
1208 result = kstrtou32(buf, 10, &value);
1209 if (result)
1210 return result;
1211
1212 if (value < NVIDIA_TEMP_MIN || value > NVIDIA_TEMP_MAX)
1213 return -EINVAL;
1214
1215 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_NV_THERM_TARGET, value, &result);
1216 if (err) {
1217 pr_warn("Failed to set nv_temp_target: %d\n", err);
1218 return err;
1219 }
1220
1221 if (result > 1) {
1222 pr_warn("Failed to set nv_temp_target (result): 0x%x\n", result);
1223 return -EIO;
1224 }
1225
1226 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_temp_target");
1227
1228 return count;
1229}
1230static DEVICE_ATTR_WO(nv_temp_target);
1231
1232/* Battery ********************************************************************/
1233
1234/* The battery maximum charging percentage */
1235static int charge_end_threshold;
1236
1237static ssize_t charge_control_end_threshold_store(struct device *dev,
1238 struct device_attribute *attr,
1239 const char *buf, size_t count)
1240{
1241 int value, ret, rv;
1242
1243 ret = kstrtouint(buf, 10, &value);
1244 if (ret)
1245 return ret;
1246
1247 if (value < 0 || value > 100)
1248 return -EINVAL;
1249
1250 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv);
1251 if (ret)
1252 return ret;
1253
1254 if (rv != 1)
1255 return -EIO;
1256
1257 /* There isn't any method in the DSDT to read the threshold, so we
1258 * save the threshold.
1259 */
1260 charge_end_threshold = value;
1261 return count;
1262}
1263
1264static ssize_t charge_control_end_threshold_show(struct device *device,
1265 struct device_attribute *attr,
1266 char *buf)
1267{
1268 return sysfs_emit(buf, "%d\n", charge_end_threshold);
1269}
1270
1271static DEVICE_ATTR_RW(charge_control_end_threshold);
1272
1273static int asus_wmi_battery_add(struct power_supply *battery, struct acpi_battery_hook *hook)
1274{
1275 /* The WMI method does not provide a way to specific a battery, so we
1276 * just assume it is the first battery.
1277 * Note: On some newer ASUS laptops (Zenbook UM431DA), the primary/first
1278 * battery is named BATT.
1279 */
1280 if (strcmp(battery->desc->name, "BAT0") != 0 &&
1281 strcmp(battery->desc->name, "BAT1") != 0 &&
1282 strcmp(battery->desc->name, "BATC") != 0 &&
1283 strcmp(battery->desc->name, "BATT") != 0)
1284 return -ENODEV;
1285
1286 if (device_create_file(&battery->dev,
1287 &dev_attr_charge_control_end_threshold))
1288 return -ENODEV;
1289
1290 /* The charge threshold is only reset when the system is power cycled,
1291 * and we can't get the current threshold so let set it to 100% when
1292 * a battery is added.
1293 */
1294 asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL);
1295 charge_end_threshold = 100;
1296
1297 return 0;
1298}
1299
1300static int asus_wmi_battery_remove(struct power_supply *battery, struct acpi_battery_hook *hook)
1301{
1302 device_remove_file(&battery->dev,
1303 &dev_attr_charge_control_end_threshold);
1304 return 0;
1305}
1306
1307static struct acpi_battery_hook battery_hook = {
1308 .add_battery = asus_wmi_battery_add,
1309 .remove_battery = asus_wmi_battery_remove,
1310 .name = "ASUS Battery Extension",
1311};
1312
1313static void asus_wmi_battery_init(struct asus_wmi *asus)
1314{
1315 asus->battery_rsoc_available = false;
1316 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
1317 asus->battery_rsoc_available = true;
1318 battery_hook_register(&battery_hook);
1319 }
1320}
1321
1322static void asus_wmi_battery_exit(struct asus_wmi *asus)
1323{
1324 if (asus->battery_rsoc_available)
1325 battery_hook_unregister(&battery_hook);
1326}
1327
1328/* LEDs ***********************************************************************/
1329
1330/*
1331 * These functions actually update the LED's, and are called from a
1332 * workqueue. By doing this as separate work rather than when the LED
1333 * subsystem asks, we avoid messing with the Asus ACPI stuff during a
1334 * potentially bad time, such as a timer interrupt.
1335 */
1336static void tpd_led_update(struct work_struct *work)
1337{
1338 int ctrl_param;
1339 struct asus_wmi *asus;
1340
1341 asus = container_of(work, struct asus_wmi, tpd_led_work);
1342
1343 ctrl_param = asus->tpd_led_wk;
1344 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
1345}
1346
1347static void tpd_led_set(struct led_classdev *led_cdev,
1348 enum led_brightness value)
1349{
1350 struct asus_wmi *asus;
1351
1352 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
1353
1354 asus->tpd_led_wk = !!value;
1355 queue_work(asus->led_workqueue, &asus->tpd_led_work);
1356}
1357
1358static int read_tpd_led_state(struct asus_wmi *asus)
1359{
1360 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
1361}
1362
1363static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
1364{
1365 struct asus_wmi *asus;
1366
1367 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
1368
1369 return read_tpd_led_state(asus);
1370}
1371
1372static void kbd_led_update(struct asus_wmi *asus)
1373{
1374 int ctrl_param = 0;
1375
1376 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
1377 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
1378}
1379
1380static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
1381{
1382 int retval;
1383
1384 /*
1385 * bits 0-2: level
1386 * bit 7: light on/off
1387 * bit 8-10: environment (0: dark, 1: normal, 2: light)
1388 * bit 17: status unknown
1389 */
1390 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
1391 0xFFFF);
1392
1393 /* Unknown status is considered as off */
1394 if (retval == 0x8000)
1395 retval = 0;
1396
1397 if (retval < 0)
1398 return retval;
1399
1400 if (level)
1401 *level = retval & 0x7F;
1402 if (env)
1403 *env = (retval >> 8) & 0x7F;
1404 return 0;
1405}
1406
1407static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
1408{
1409 struct asus_wmi *asus;
1410 int max_level;
1411
1412 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1413 max_level = asus->kbd_led.max_brightness;
1414
1415 asus->kbd_led_wk = clamp_val(value, 0, max_level);
1416 kbd_led_update(asus);
1417}
1418
1419static void kbd_led_set(struct led_classdev *led_cdev,
1420 enum led_brightness value)
1421{
1422 /* Prevent disabling keyboard backlight on module unregister */
1423 if (led_cdev->flags & LED_UNREGISTERING)
1424 return;
1425
1426 do_kbd_led_set(led_cdev, value);
1427}
1428
1429static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value)
1430{
1431 struct led_classdev *led_cdev = &asus->kbd_led;
1432
1433 do_kbd_led_set(led_cdev, value);
1434 led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk);
1435}
1436
1437static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
1438{
1439 struct asus_wmi *asus;
1440 int retval, value;
1441
1442 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
1443
1444 retval = kbd_led_read(asus, &value, NULL);
1445 if (retval < 0)
1446 return retval;
1447
1448 return value;
1449}
1450
1451static int wlan_led_unknown_state(struct asus_wmi *asus)
1452{
1453 u32 result;
1454
1455 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1456
1457 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
1458}
1459
1460static void wlan_led_update(struct work_struct *work)
1461{
1462 int ctrl_param;
1463 struct asus_wmi *asus;
1464
1465 asus = container_of(work, struct asus_wmi, wlan_led_work);
1466
1467 ctrl_param = asus->wlan_led_wk;
1468 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
1469}
1470
1471static void wlan_led_set(struct led_classdev *led_cdev,
1472 enum led_brightness value)
1473{
1474 struct asus_wmi *asus;
1475
1476 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1477
1478 asus->wlan_led_wk = !!value;
1479 queue_work(asus->led_workqueue, &asus->wlan_led_work);
1480}
1481
1482static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
1483{
1484 struct asus_wmi *asus;
1485 u32 result;
1486
1487 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
1488 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
1489
1490 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
1491}
1492
1493static void lightbar_led_update(struct work_struct *work)
1494{
1495 struct asus_wmi *asus;
1496 int ctrl_param;
1497
1498 asus = container_of(work, struct asus_wmi, lightbar_led_work);
1499
1500 ctrl_param = asus->lightbar_led_wk;
1501 asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL);
1502}
1503
1504static void lightbar_led_set(struct led_classdev *led_cdev,
1505 enum led_brightness value)
1506{
1507 struct asus_wmi *asus;
1508
1509 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1510
1511 asus->lightbar_led_wk = !!value;
1512 queue_work(asus->led_workqueue, &asus->lightbar_led_work);
1513}
1514
1515static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
1516{
1517 struct asus_wmi *asus;
1518 u32 result;
1519
1520 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
1521 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
1522
1523 return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
1524}
1525
1526static int micmute_led_set(struct led_classdev *led_cdev,
1527 enum led_brightness brightness)
1528{
1529 int state = brightness != LED_OFF;
1530 int err;
1531
1532 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MICMUTE_LED, state, NULL);
1533 return err < 0 ? err : 0;
1534}
1535
1536static void asus_wmi_led_exit(struct asus_wmi *asus)
1537{
1538 led_classdev_unregister(&asus->kbd_led);
1539 led_classdev_unregister(&asus->tpd_led);
1540 led_classdev_unregister(&asus->wlan_led);
1541 led_classdev_unregister(&asus->lightbar_led);
1542 led_classdev_unregister(&asus->micmute_led);
1543
1544 if (asus->led_workqueue)
1545 destroy_workqueue(asus->led_workqueue);
1546}
1547
1548static int asus_wmi_led_init(struct asus_wmi *asus)
1549{
1550 int rv = 0, num_rgb_groups = 0, led_val;
1551
1552 if (asus->kbd_rgb_mode_available)
1553 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group;
1554 if (asus->kbd_rgb_state_available)
1555 kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group;
1556
1557 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
1558 if (!asus->led_workqueue)
1559 return -ENOMEM;
1560
1561 if (read_tpd_led_state(asus) >= 0) {
1562 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
1563
1564 asus->tpd_led.name = "asus::touchpad";
1565 asus->tpd_led.brightness_set = tpd_led_set;
1566 asus->tpd_led.brightness_get = tpd_led_get;
1567 asus->tpd_led.max_brightness = 1;
1568
1569 rv = led_classdev_register(&asus->platform_device->dev,
1570 &asus->tpd_led);
1571 if (rv)
1572 goto error;
1573 }
1574
1575 if (!kbd_led_read(asus, &led_val, NULL)) {
1576 asus->kbd_led_wk = led_val;
1577 asus->kbd_led.name = "asus::kbd_backlight";
1578 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
1579 asus->kbd_led.brightness_set = kbd_led_set;
1580 asus->kbd_led.brightness_get = kbd_led_get;
1581 asus->kbd_led.max_brightness = 3;
1582
1583 if (num_rgb_groups != 0)
1584 asus->kbd_led.groups = kbd_rgb_mode_groups;
1585
1586 rv = led_classdev_register(&asus->platform_device->dev,
1587 &asus->kbd_led);
1588 if (rv)
1589 goto error;
1590 }
1591
1592 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
1593 && (asus->driver->quirks->wapf > 0)) {
1594 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
1595
1596 asus->wlan_led.name = "asus::wlan";
1597 asus->wlan_led.brightness_set = wlan_led_set;
1598 if (!wlan_led_unknown_state(asus))
1599 asus->wlan_led.brightness_get = wlan_led_get;
1600 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
1601 asus->wlan_led.max_brightness = 1;
1602 asus->wlan_led.default_trigger = "asus-wlan";
1603
1604 rv = led_classdev_register(&asus->platform_device->dev,
1605 &asus->wlan_led);
1606 if (rv)
1607 goto error;
1608 }
1609
1610 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
1611 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
1612
1613 asus->lightbar_led.name = "asus::lightbar";
1614 asus->lightbar_led.brightness_set = lightbar_led_set;
1615 asus->lightbar_led.brightness_get = lightbar_led_get;
1616 asus->lightbar_led.max_brightness = 1;
1617
1618 rv = led_classdev_register(&asus->platform_device->dev,
1619 &asus->lightbar_led);
1620 }
1621
1622 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MICMUTE_LED)) {
1623 asus->micmute_led.name = "platform::micmute";
1624 asus->micmute_led.max_brightness = 1;
1625 asus->micmute_led.brightness_set_blocking = micmute_led_set;
1626 asus->micmute_led.default_trigger = "audio-micmute";
1627
1628 rv = led_classdev_register(&asus->platform_device->dev,
1629 &asus->micmute_led);
1630 if (rv)
1631 goto error;
1632 }
1633
1634error:
1635 if (rv)
1636 asus_wmi_led_exit(asus);
1637
1638 return rv;
1639}
1640
1641/* RF *************************************************************************/
1642
1643/*
1644 * PCI hotplug (for wlan rfkill)
1645 */
1646static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
1647{
1648 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1649
1650 if (result < 0)
1651 return false;
1652 return !result;
1653}
1654
1655static void asus_rfkill_hotplug(struct asus_wmi *asus)
1656{
1657 struct pci_dev *dev;
1658 struct pci_bus *bus;
1659 bool blocked;
1660 bool absent;
1661 u32 l;
1662
1663 mutex_lock(&asus->wmi_lock);
1664 blocked = asus_wlan_rfkill_blocked(asus);
1665 mutex_unlock(&asus->wmi_lock);
1666
1667 mutex_lock(&asus->hotplug_lock);
1668 pci_lock_rescan_remove();
1669
1670 if (asus->wlan.rfkill)
1671 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
1672
1673 if (asus->hotplug_slot.ops) {
1674 bus = pci_find_bus(0, 1);
1675 if (!bus) {
1676 pr_warn("Unable to find PCI bus 1?\n");
1677 goto out_unlock;
1678 }
1679
1680 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
1681 pr_err("Unable to read PCI config space?\n");
1682 goto out_unlock;
1683 }
1684 absent = (l == 0xffffffff);
1685
1686 if (blocked != absent) {
1687 pr_warn("BIOS says wireless lan is %s, but the pci device is %s\n",
1688 blocked ? "blocked" : "unblocked",
1689 absent ? "absent" : "present");
1690 pr_warn("skipped wireless hotplug as probably inappropriate for this model\n");
1691 goto out_unlock;
1692 }
1693
1694 if (!blocked) {
1695 dev = pci_get_slot(bus, 0);
1696 if (dev) {
1697 /* Device already present */
1698 pci_dev_put(dev);
1699 goto out_unlock;
1700 }
1701 dev = pci_scan_single_device(bus, 0);
1702 if (dev) {
1703 pci_bus_assign_resources(bus);
1704 pci_bus_add_device(dev);
1705 }
1706 } else {
1707 dev = pci_get_slot(bus, 0);
1708 if (dev) {
1709 pci_stop_and_remove_bus_device(dev);
1710 pci_dev_put(dev);
1711 }
1712 }
1713 }
1714
1715out_unlock:
1716 pci_unlock_rescan_remove();
1717 mutex_unlock(&asus->hotplug_lock);
1718}
1719
1720static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
1721{
1722 struct asus_wmi *asus = data;
1723
1724 if (event != ACPI_NOTIFY_BUS_CHECK)
1725 return;
1726
1727 /*
1728 * We can't call directly asus_rfkill_hotplug because most
1729 * of the time WMBC is still being executed and not reetrant.
1730 * There is currently no way to tell ACPICA that we want this
1731 * method to be serialized, we schedule a asus_rfkill_hotplug
1732 * call later, in a safer context.
1733 */
1734 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
1735}
1736
1737static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
1738{
1739 acpi_status status;
1740 acpi_handle handle;
1741
1742 status = acpi_get_handle(NULL, node, &handle);
1743 if (ACPI_FAILURE(status))
1744 return -ENODEV;
1745
1746 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1747 asus_rfkill_notify, asus);
1748 if (ACPI_FAILURE(status))
1749 pr_warn("Failed to register notify on %s\n", node);
1750
1751 return 0;
1752}
1753
1754static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
1755{
1756 acpi_status status = AE_OK;
1757 acpi_handle handle;
1758
1759 status = acpi_get_handle(NULL, node, &handle);
1760 if (ACPI_FAILURE(status))
1761 return;
1762
1763 status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1764 asus_rfkill_notify);
1765 if (ACPI_FAILURE(status))
1766 pr_err("Error removing rfkill notify handler %s\n", node);
1767}
1768
1769static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
1770 u8 *value)
1771{
1772 struct asus_wmi *asus = container_of(hotplug_slot,
1773 struct asus_wmi, hotplug_slot);
1774 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1775
1776 if (result < 0)
1777 return result;
1778
1779 *value = !!result;
1780 return 0;
1781}
1782
1783static const struct hotplug_slot_ops asus_hotplug_slot_ops = {
1784 .get_adapter_status = asus_get_adapter_status,
1785 .get_power_status = asus_get_adapter_status,
1786};
1787
1788static void asus_hotplug_work(struct work_struct *work)
1789{
1790 struct asus_wmi *asus;
1791
1792 asus = container_of(work, struct asus_wmi, hotplug_work);
1793 asus_rfkill_hotplug(asus);
1794}
1795
1796static int asus_setup_pci_hotplug(struct asus_wmi *asus)
1797{
1798 int ret = -ENOMEM;
1799 struct pci_bus *bus = pci_find_bus(0, 1);
1800
1801 if (!bus) {
1802 pr_err("Unable to find wifi PCI bus\n");
1803 return -ENODEV;
1804 }
1805
1806 asus->hotplug_workqueue =
1807 create_singlethread_workqueue("hotplug_workqueue");
1808 if (!asus->hotplug_workqueue)
1809 goto error_workqueue;
1810
1811 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
1812
1813 asus->hotplug_slot.ops = &asus_hotplug_slot_ops;
1814
1815 ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi");
1816 if (ret) {
1817 pr_err("Unable to register hotplug slot - %d\n", ret);
1818 goto error_register;
1819 }
1820
1821 return 0;
1822
1823error_register:
1824 asus->hotplug_slot.ops = NULL;
1825 destroy_workqueue(asus->hotplug_workqueue);
1826error_workqueue:
1827 return ret;
1828}
1829
1830/*
1831 * Rfkill devices
1832 */
1833static int asus_rfkill_set(void *data, bool blocked)
1834{
1835 struct asus_rfkill *priv = data;
1836 u32 ctrl_param = !blocked;
1837 u32 dev_id = priv->dev_id;
1838
1839 /*
1840 * If the user bit is set, BIOS can't set and record the wlan status,
1841 * it will report the value read from id ASUS_WMI_DEVID_WLAN_LED
1842 * while we query the wlan status through WMI(ASUS_WMI_DEVID_WLAN).
1843 * So, we have to record wlan status in id ASUS_WMI_DEVID_WLAN_LED
1844 * while setting the wlan status through WMI.
1845 * This is also the behavior that windows app will do.
1846 */
1847 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1848 priv->asus->driver->wlan_ctrl_by_user)
1849 dev_id = ASUS_WMI_DEVID_WLAN_LED;
1850
1851 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
1852}
1853
1854static void asus_rfkill_query(struct rfkill *rfkill, void *data)
1855{
1856 struct asus_rfkill *priv = data;
1857 int result;
1858
1859 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
1860
1861 if (result < 0)
1862 return;
1863
1864 rfkill_set_sw_state(priv->rfkill, !result);
1865}
1866
1867static int asus_rfkill_wlan_set(void *data, bool blocked)
1868{
1869 struct asus_rfkill *priv = data;
1870 struct asus_wmi *asus = priv->asus;
1871 int ret;
1872
1873 /*
1874 * This handler is enabled only if hotplug is enabled.
1875 * In this case, the asus_wmi_set_devstate() will
1876 * trigger a wmi notification and we need to wait
1877 * this call to finish before being able to call
1878 * any wmi method
1879 */
1880 mutex_lock(&asus->wmi_lock);
1881 ret = asus_rfkill_set(data, blocked);
1882 mutex_unlock(&asus->wmi_lock);
1883 return ret;
1884}
1885
1886static const struct rfkill_ops asus_rfkill_wlan_ops = {
1887 .set_block = asus_rfkill_wlan_set,
1888 .query = asus_rfkill_query,
1889};
1890
1891static const struct rfkill_ops asus_rfkill_ops = {
1892 .set_block = asus_rfkill_set,
1893 .query = asus_rfkill_query,
1894};
1895
1896static int asus_new_rfkill(struct asus_wmi *asus,
1897 struct asus_rfkill *arfkill,
1898 const char *name, enum rfkill_type type, int dev_id)
1899{
1900 int result = asus_wmi_get_devstate_simple(asus, dev_id);
1901 struct rfkill **rfkill = &arfkill->rfkill;
1902
1903 if (result < 0)
1904 return result;
1905
1906 arfkill->dev_id = dev_id;
1907 arfkill->asus = asus;
1908
1909 if (dev_id == ASUS_WMI_DEVID_WLAN &&
1910 asus->driver->quirks->hotplug_wireless)
1911 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1912 &asus_rfkill_wlan_ops, arfkill);
1913 else
1914 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1915 &asus_rfkill_ops, arfkill);
1916
1917 if (!*rfkill)
1918 return -EINVAL;
1919
1920 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1921 (asus->driver->quirks->wapf > 0))
1922 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
1923
1924 rfkill_init_sw_state(*rfkill, !result);
1925 result = rfkill_register(*rfkill);
1926 if (result) {
1927 rfkill_destroy(*rfkill);
1928 *rfkill = NULL;
1929 return result;
1930 }
1931 return 0;
1932}
1933
1934static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
1935{
1936 if (asus->driver->wlan_ctrl_by_user && ashs_present())
1937 return;
1938
1939 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1940 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1941 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1942 if (asus->wlan.rfkill) {
1943 rfkill_unregister(asus->wlan.rfkill);
1944 rfkill_destroy(asus->wlan.rfkill);
1945 asus->wlan.rfkill = NULL;
1946 }
1947 /*
1948 * Refresh pci hotplug in case the rfkill state was changed after
1949 * asus_unregister_rfkill_notifier()
1950 */
1951 asus_rfkill_hotplug(asus);
1952 if (asus->hotplug_slot.ops)
1953 pci_hp_deregister(&asus->hotplug_slot);
1954 if (asus->hotplug_workqueue)
1955 destroy_workqueue(asus->hotplug_workqueue);
1956
1957 if (asus->bluetooth.rfkill) {
1958 rfkill_unregister(asus->bluetooth.rfkill);
1959 rfkill_destroy(asus->bluetooth.rfkill);
1960 asus->bluetooth.rfkill = NULL;
1961 }
1962 if (asus->wimax.rfkill) {
1963 rfkill_unregister(asus->wimax.rfkill);
1964 rfkill_destroy(asus->wimax.rfkill);
1965 asus->wimax.rfkill = NULL;
1966 }
1967 if (asus->wwan3g.rfkill) {
1968 rfkill_unregister(asus->wwan3g.rfkill);
1969 rfkill_destroy(asus->wwan3g.rfkill);
1970 asus->wwan3g.rfkill = NULL;
1971 }
1972 if (asus->gps.rfkill) {
1973 rfkill_unregister(asus->gps.rfkill);
1974 rfkill_destroy(asus->gps.rfkill);
1975 asus->gps.rfkill = NULL;
1976 }
1977 if (asus->uwb.rfkill) {
1978 rfkill_unregister(asus->uwb.rfkill);
1979 rfkill_destroy(asus->uwb.rfkill);
1980 asus->uwb.rfkill = NULL;
1981 }
1982}
1983
1984static int asus_wmi_rfkill_init(struct asus_wmi *asus)
1985{
1986 int result = 0;
1987
1988 mutex_init(&asus->hotplug_lock);
1989 mutex_init(&asus->wmi_lock);
1990
1991 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1992 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
1993
1994 if (result && result != -ENODEV)
1995 goto exit;
1996
1997 result = asus_new_rfkill(asus, &asus->bluetooth,
1998 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1999 ASUS_WMI_DEVID_BLUETOOTH);
2000
2001 if (result && result != -ENODEV)
2002 goto exit;
2003
2004 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
2005 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
2006
2007 if (result && result != -ENODEV)
2008 goto exit;
2009
2010 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
2011 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
2012
2013 if (result && result != -ENODEV)
2014 goto exit;
2015
2016 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
2017 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
2018
2019 if (result && result != -ENODEV)
2020 goto exit;
2021
2022 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
2023 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
2024
2025 if (result && result != -ENODEV)
2026 goto exit;
2027
2028 if (!asus->driver->quirks->hotplug_wireless)
2029 goto exit;
2030
2031 result = asus_setup_pci_hotplug(asus);
2032 /*
2033 * If we get -EBUSY then something else is handling the PCI hotplug -
2034 * don't fail in this case
2035 */
2036 if (result == -EBUSY)
2037 result = 0;
2038
2039 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
2040 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
2041 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
2042 /*
2043 * Refresh pci hotplug in case the rfkill state was changed during
2044 * setup.
2045 */
2046 asus_rfkill_hotplug(asus);
2047
2048exit:
2049 if (result && result != -ENODEV)
2050 asus_wmi_rfkill_exit(asus);
2051
2052 if (result == -ENODEV)
2053 result = 0;
2054
2055 return result;
2056}
2057
2058/* Panel Overdrive ************************************************************/
2059static ssize_t panel_od_show(struct device *dev,
2060 struct device_attribute *attr, char *buf)
2061{
2062 struct asus_wmi *asus = dev_get_drvdata(dev);
2063 int result;
2064
2065 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_PANEL_OD);
2066 if (result < 0)
2067 return result;
2068
2069 return sysfs_emit(buf, "%d\n", result);
2070}
2071
2072static ssize_t panel_od_store(struct device *dev,
2073 struct device_attribute *attr,
2074 const char *buf, size_t count)
2075{
2076 int result, err;
2077 u32 overdrive;
2078
2079 struct asus_wmi *asus = dev_get_drvdata(dev);
2080
2081 result = kstrtou32(buf, 10, &overdrive);
2082 if (result)
2083 return result;
2084
2085 if (overdrive > 1)
2086 return -EINVAL;
2087
2088 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, overdrive, &result);
2089
2090 if (err) {
2091 pr_warn("Failed to set panel overdrive: %d\n", err);
2092 return err;
2093 }
2094
2095 if (result > 1) {
2096 pr_warn("Failed to set panel overdrive (result): 0x%x\n", result);
2097 return -EIO;
2098 }
2099
2100 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od");
2101
2102 return count;
2103}
2104static DEVICE_ATTR_RW(panel_od);
2105
2106/* Mini-LED mode **************************************************************/
2107static ssize_t mini_led_mode_show(struct device *dev,
2108 struct device_attribute *attr, char *buf)
2109{
2110 struct asus_wmi *asus = dev_get_drvdata(dev);
2111 int result;
2112
2113 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MINI_LED_MODE);
2114 if (result < 0)
2115 return result;
2116
2117 return sysfs_emit(buf, "%d\n", result);
2118}
2119
2120static ssize_t mini_led_mode_store(struct device *dev,
2121 struct device_attribute *attr,
2122 const char *buf, size_t count)
2123{
2124 int result, err;
2125 u32 mode;
2126
2127 struct asus_wmi *asus = dev_get_drvdata(dev);
2128
2129 result = kstrtou32(buf, 10, &mode);
2130 if (result)
2131 return result;
2132
2133 if (mode > 1)
2134 return -EINVAL;
2135
2136 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MINI_LED_MODE, mode, &result);
2137
2138 if (err) {
2139 pr_warn("Failed to set mini-LED: %d\n", err);
2140 return err;
2141 }
2142
2143 if (result > 1) {
2144 pr_warn("Failed to set mini-LED mode (result): 0x%x\n", result);
2145 return -EIO;
2146 }
2147
2148 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mini_led_mode");
2149
2150 return count;
2151}
2152static DEVICE_ATTR_RW(mini_led_mode);
2153
2154/* Quirks *********************************************************************/
2155
2156static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
2157{
2158 struct pci_dev *xhci_pdev;
2159 u32 orig_ports_available;
2160 u32 ports_available = asus->driver->quirks->xusb2pr;
2161
2162 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
2163 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
2164 NULL);
2165
2166 if (!xhci_pdev)
2167 return;
2168
2169 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
2170 &orig_ports_available);
2171
2172 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
2173 cpu_to_le32(ports_available));
2174
2175 pci_dev_put(xhci_pdev);
2176
2177 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
2178 orig_ports_available, ports_available);
2179}
2180
2181/*
2182 * Some devices dont support or have borcken get_als method
2183 * but still support set method.
2184 */
2185static void asus_wmi_set_als(void)
2186{
2187 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
2188}
2189
2190/* Hwmon device ***************************************************************/
2191
2192static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
2193 int *speed)
2194{
2195 struct agfn_fan_args args = {
2196 .agfn.len = sizeof(args),
2197 .agfn.mfun = ASUS_FAN_MFUN,
2198 .agfn.sfun = ASUS_FAN_SFUN_READ,
2199 .fan = fan,
2200 .speed = 0,
2201 };
2202 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
2203 int status;
2204
2205 if (fan != 1)
2206 return -EINVAL;
2207
2208 status = asus_wmi_evaluate_method_agfn(input);
2209
2210 if (status || args.agfn.err)
2211 return -ENXIO;
2212
2213 if (speed)
2214 *speed = args.speed;
2215
2216 return 0;
2217}
2218
2219static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
2220 int *speed)
2221{
2222 struct agfn_fan_args args = {
2223 .agfn.len = sizeof(args),
2224 .agfn.mfun = ASUS_FAN_MFUN,
2225 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
2226 .fan = fan,
2227 .speed = speed ? *speed : 0,
2228 };
2229 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
2230 int status;
2231
2232 /* 1: for setting 1st fan's speed 0: setting auto mode */
2233 if (fan != 1 && fan != 0)
2234 return -EINVAL;
2235
2236 status = asus_wmi_evaluate_method_agfn(input);
2237
2238 if (status || args.agfn.err)
2239 return -ENXIO;
2240
2241 if (speed && fan == 1)
2242 asus->agfn_pwm = *speed;
2243
2244 return 0;
2245}
2246
2247/*
2248 * Check if we can read the speed of one fan. If true we assume we can also
2249 * control it.
2250 */
2251static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus)
2252{
2253 int status;
2254 int speed;
2255 u32 value;
2256
2257 status = asus_agfn_fan_speed_read(asus, 1, &speed);
2258 if (status != 0)
2259 return false;
2260
2261 status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
2262 if (status != 0)
2263 return false;
2264
2265 /*
2266 * We need to find a better way, probably using sfun,
2267 * bits or spec ...
2268 * Currently we disable it if:
2269 * - ASUS_WMI_UNSUPPORTED_METHOD is returned
2270 * - reverved bits are non-zero
2271 * - sfun and presence bit are not set
2272 */
2273 return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
2274 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)));
2275}
2276
2277static int asus_fan_set_auto(struct asus_wmi *asus)
2278{
2279 int status;
2280 u32 retval;
2281
2282 switch (asus->fan_type) {
2283 case FAN_TYPE_SPEC83:
2284 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
2285 0, &retval);
2286 if (status)
2287 return status;
2288
2289 if (retval != 1)
2290 return -EIO;
2291 break;
2292
2293 case FAN_TYPE_AGFN:
2294 status = asus_agfn_fan_speed_write(asus, 0, NULL);
2295 if (status)
2296 return -ENXIO;
2297 break;
2298
2299 default:
2300 return -ENXIO;
2301 }
2302
2303 /*
2304 * Modern models like the G713 also have GPU fan control (this is not AGFN)
2305 */
2306 if (asus->gpu_fan_type == FAN_TYPE_SPEC83) {
2307 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
2308 0, &retval);
2309 if (status)
2310 return status;
2311
2312 if (retval != 1)
2313 return -EIO;
2314 }
2315
2316 return 0;
2317}
2318
2319static ssize_t pwm1_show(struct device *dev,
2320 struct device_attribute *attr,
2321 char *buf)
2322{
2323 struct asus_wmi *asus = dev_get_drvdata(dev);
2324 int err;
2325 int value;
2326
2327 /* If we already set a value then just return it */
2328 if (asus->agfn_pwm >= 0)
2329 return sprintf(buf, "%d\n", asus->agfn_pwm);
2330
2331 /*
2332 * If we haven't set already set a value through the AGFN interface,
2333 * we read a current value through the (now-deprecated) FAN_CTRL device.
2334 */
2335 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
2336 if (err < 0)
2337 return err;
2338
2339 value &= 0xFF;
2340
2341 if (value == 1) /* Low Speed */
2342 value = 85;
2343 else if (value == 2)
2344 value = 170;
2345 else if (value == 3)
2346 value = 255;
2347 else if (value) {
2348 pr_err("Unknown fan speed %#x\n", value);
2349 value = -1;
2350 }
2351
2352 return sysfs_emit(buf, "%d\n", value);
2353}
2354
2355static ssize_t pwm1_store(struct device *dev,
2356 struct device_attribute *attr,
2357 const char *buf, size_t count) {
2358 struct asus_wmi *asus = dev_get_drvdata(dev);
2359 int value;
2360 int state;
2361 int ret;
2362
2363 ret = kstrtouint(buf, 10, &value);
2364 if (ret)
2365 return ret;
2366
2367 value = clamp(value, 0, 255);
2368
2369 state = asus_agfn_fan_speed_write(asus, 1, &value);
2370 if (state)
2371 pr_warn("Setting fan speed failed: %d\n", state);
2372 else
2373 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL;
2374
2375 return count;
2376}
2377
2378static ssize_t fan1_input_show(struct device *dev,
2379 struct device_attribute *attr,
2380 char *buf)
2381{
2382 struct asus_wmi *asus = dev_get_drvdata(dev);
2383 int value;
2384 int ret;
2385
2386 switch (asus->fan_type) {
2387 case FAN_TYPE_SPEC83:
2388 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL,
2389 &value);
2390 if (ret < 0)
2391 return ret;
2392
2393 value &= 0xffff;
2394 break;
2395
2396 case FAN_TYPE_AGFN:
2397 /* no speed readable on manual mode */
2398 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL)
2399 return -ENXIO;
2400
2401 ret = asus_agfn_fan_speed_read(asus, 1, &value);
2402 if (ret) {
2403 pr_warn("reading fan speed failed: %d\n", ret);
2404 return -ENXIO;
2405 }
2406 break;
2407
2408 default:
2409 return -ENXIO;
2410 }
2411
2412 return sysfs_emit(buf, "%d\n", value < 0 ? -1 : value * 100);
2413}
2414
2415static ssize_t pwm1_enable_show(struct device *dev,
2416 struct device_attribute *attr,
2417 char *buf)
2418{
2419 struct asus_wmi *asus = dev_get_drvdata(dev);
2420
2421 /*
2422 * Just read back the cached pwm mode.
2423 *
2424 * For the CPU_FAN device, the spec indicates that we should be
2425 * able to read the device status and consult bit 19 to see if we
2426 * are in Full On or Automatic mode. However, this does not work
2427 * in practice on X532FL at least (the bit is always 0) and there's
2428 * also nothing in the DSDT to indicate that this behaviour exists.
2429 */
2430 return sysfs_emit(buf, "%d\n", asus->fan_pwm_mode);
2431}
2432
2433static ssize_t pwm1_enable_store(struct device *dev,
2434 struct device_attribute *attr,
2435 const char *buf, size_t count)
2436{
2437 struct asus_wmi *asus = dev_get_drvdata(dev);
2438 int status = 0;
2439 int state;
2440 int value;
2441 int ret;
2442 u32 retval;
2443
2444 ret = kstrtouint(buf, 10, &state);
2445 if (ret)
2446 return ret;
2447
2448 if (asus->fan_type == FAN_TYPE_SPEC83) {
2449 switch (state) { /* standard documented hwmon values */
2450 case ASUS_FAN_CTRL_FULLSPEED:
2451 value = 1;
2452 break;
2453 case ASUS_FAN_CTRL_AUTO:
2454 value = 0;
2455 break;
2456 default:
2457 return -EINVAL;
2458 }
2459
2460 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
2461 value, &retval);
2462 if (ret)
2463 return ret;
2464
2465 if (retval != 1)
2466 return -EIO;
2467 } else if (asus->fan_type == FAN_TYPE_AGFN) {
2468 switch (state) {
2469 case ASUS_FAN_CTRL_MANUAL:
2470 break;
2471
2472 case ASUS_FAN_CTRL_AUTO:
2473 status = asus_fan_set_auto(asus);
2474 if (status)
2475 return status;
2476 break;
2477
2478 default:
2479 return -EINVAL;
2480 }
2481 }
2482
2483 asus->fan_pwm_mode = state;
2484
2485 /* Must set to disabled if mode is toggled */
2486 if (asus->cpu_fan_curve_available)
2487 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
2488 if (asus->gpu_fan_curve_available)
2489 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
2490 if (asus->mid_fan_curve_available)
2491 asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false;
2492
2493 return count;
2494}
2495
2496static ssize_t fan1_label_show(struct device *dev,
2497 struct device_attribute *attr,
2498 char *buf)
2499{
2500 return sysfs_emit(buf, "%s\n", ASUS_FAN_DESC);
2501}
2502
2503static ssize_t asus_hwmon_temp1(struct device *dev,
2504 struct device_attribute *attr,
2505 char *buf)
2506{
2507 struct asus_wmi *asus = dev_get_drvdata(dev);
2508 u32 value;
2509 int err;
2510
2511 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
2512 if (err < 0)
2513 return err;
2514
2515 return sprintf(buf, "%ld\n",
2516 deci_kelvin_to_millicelsius(value & 0xFFFF));
2517}
2518
2519/* GPU fan on modern ROG laptops */
2520static ssize_t fan2_input_show(struct device *dev,
2521 struct device_attribute *attr,
2522 char *buf)
2523{
2524 struct asus_wmi *asus = dev_get_drvdata(dev);
2525 int value;
2526 int ret;
2527
2528 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL, &value);
2529 if (ret < 0)
2530 return ret;
2531
2532 value &= 0xffff;
2533
2534 return sysfs_emit(buf, "%d\n", value * 100);
2535}
2536
2537static ssize_t fan2_label_show(struct device *dev,
2538 struct device_attribute *attr,
2539 char *buf)
2540{
2541 return sysfs_emit(buf, "%s\n", ASUS_GPU_FAN_DESC);
2542}
2543
2544/* Middle/Center fan on modern ROG laptops */
2545static ssize_t fan3_input_show(struct device *dev,
2546 struct device_attribute *attr,
2547 char *buf)
2548{
2549 struct asus_wmi *asus = dev_get_drvdata(dev);
2550 int value;
2551 int ret;
2552
2553 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_MID_FAN_CTRL, &value);
2554 if (ret < 0)
2555 return ret;
2556
2557 value &= 0xffff;
2558
2559 return sysfs_emit(buf, "%d\n", value * 100);
2560}
2561
2562static ssize_t fan3_label_show(struct device *dev,
2563 struct device_attribute *attr,
2564 char *buf)
2565{
2566 return sysfs_emit(buf, "%s\n", ASUS_MID_FAN_DESC);
2567}
2568
2569static ssize_t pwm2_enable_show(struct device *dev,
2570 struct device_attribute *attr,
2571 char *buf)
2572{
2573 struct asus_wmi *asus = dev_get_drvdata(dev);
2574
2575 return sysfs_emit(buf, "%d\n", asus->gpu_fan_pwm_mode);
2576}
2577
2578static ssize_t pwm2_enable_store(struct device *dev,
2579 struct device_attribute *attr,
2580 const char *buf, size_t count)
2581{
2582 struct asus_wmi *asus = dev_get_drvdata(dev);
2583 int state;
2584 int value;
2585 int ret;
2586 u32 retval;
2587
2588 ret = kstrtouint(buf, 10, &state);
2589 if (ret)
2590 return ret;
2591
2592 switch (state) { /* standard documented hwmon values */
2593 case ASUS_FAN_CTRL_FULLSPEED:
2594 value = 1;
2595 break;
2596 case ASUS_FAN_CTRL_AUTO:
2597 value = 0;
2598 break;
2599 default:
2600 return -EINVAL;
2601 }
2602
2603 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_FAN_CTRL,
2604 value, &retval);
2605 if (ret)
2606 return ret;
2607
2608 if (retval != 1)
2609 return -EIO;
2610
2611 asus->gpu_fan_pwm_mode = state;
2612 return count;
2613}
2614
2615static ssize_t pwm3_enable_show(struct device *dev,
2616 struct device_attribute *attr,
2617 char *buf)
2618{
2619 struct asus_wmi *asus = dev_get_drvdata(dev);
2620
2621 return sysfs_emit(buf, "%d\n", asus->mid_fan_pwm_mode);
2622}
2623
2624static ssize_t pwm3_enable_store(struct device *dev,
2625 struct device_attribute *attr,
2626 const char *buf, size_t count)
2627{
2628 struct asus_wmi *asus = dev_get_drvdata(dev);
2629 int state;
2630 int value;
2631 int ret;
2632 u32 retval;
2633
2634 ret = kstrtouint(buf, 10, &state);
2635 if (ret)
2636 return ret;
2637
2638 switch (state) { /* standard documented hwmon values */
2639 case ASUS_FAN_CTRL_FULLSPEED:
2640 value = 1;
2641 break;
2642 case ASUS_FAN_CTRL_AUTO:
2643 value = 0;
2644 break;
2645 default:
2646 return -EINVAL;
2647 }
2648
2649 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_MID_FAN_CTRL,
2650 value, &retval);
2651 if (ret)
2652 return ret;
2653
2654 if (retval != 1)
2655 return -EIO;
2656
2657 asus->mid_fan_pwm_mode = state;
2658 return count;
2659}
2660
2661/* Fan1 */
2662static DEVICE_ATTR_RW(pwm1);
2663static DEVICE_ATTR_RW(pwm1_enable);
2664static DEVICE_ATTR_RO(fan1_input);
2665static DEVICE_ATTR_RO(fan1_label);
2666/* Fan2 - GPU fan */
2667static DEVICE_ATTR_RW(pwm2_enable);
2668static DEVICE_ATTR_RO(fan2_input);
2669static DEVICE_ATTR_RO(fan2_label);
2670/* Fan3 - Middle/center fan */
2671static DEVICE_ATTR_RW(pwm3_enable);
2672static DEVICE_ATTR_RO(fan3_input);
2673static DEVICE_ATTR_RO(fan3_label);
2674
2675/* Temperature */
2676static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
2677
2678static struct attribute *hwmon_attributes[] = {
2679 &dev_attr_pwm1.attr,
2680 &dev_attr_pwm1_enable.attr,
2681 &dev_attr_pwm2_enable.attr,
2682 &dev_attr_pwm3_enable.attr,
2683 &dev_attr_fan1_input.attr,
2684 &dev_attr_fan1_label.attr,
2685 &dev_attr_fan2_input.attr,
2686 &dev_attr_fan2_label.attr,
2687 &dev_attr_fan3_input.attr,
2688 &dev_attr_fan3_label.attr,
2689
2690 &dev_attr_temp1_input.attr,
2691 NULL
2692};
2693
2694static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
2695 struct attribute *attr, int idx)
2696{
2697 struct device *dev = kobj_to_dev(kobj);
2698 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
2699 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
2700
2701 if (attr == &dev_attr_pwm1.attr) {
2702 if (asus->fan_type != FAN_TYPE_AGFN)
2703 return 0;
2704 } else if (attr == &dev_attr_fan1_input.attr
2705 || attr == &dev_attr_fan1_label.attr
2706 || attr == &dev_attr_pwm1_enable.attr) {
2707 if (asus->fan_type == FAN_TYPE_NONE)
2708 return 0;
2709 } else if (attr == &dev_attr_fan2_input.attr
2710 || attr == &dev_attr_fan2_label.attr
2711 || attr == &dev_attr_pwm2_enable.attr) {
2712 if (asus->gpu_fan_type == FAN_TYPE_NONE)
2713 return 0;
2714 } else if (attr == &dev_attr_fan3_input.attr
2715 || attr == &dev_attr_fan3_label.attr
2716 || attr == &dev_attr_pwm3_enable.attr) {
2717 if (asus->mid_fan_type == FAN_TYPE_NONE)
2718 return 0;
2719 } else if (attr == &dev_attr_temp1_input.attr) {
2720 int err = asus_wmi_get_devstate(asus,
2721 ASUS_WMI_DEVID_THERMAL_CTRL,
2722 &value);
2723
2724 if (err < 0)
2725 return 0; /* can't return negative here */
2726
2727 /*
2728 * If the temperature value in deci-Kelvin is near the absolute
2729 * zero temperature, something is clearly wrong
2730 */
2731 if (value == 0 || value == 1)
2732 return 0;
2733 }
2734
2735 return attr->mode;
2736}
2737
2738static const struct attribute_group hwmon_attribute_group = {
2739 .is_visible = asus_hwmon_sysfs_is_visible,
2740 .attrs = hwmon_attributes
2741};
2742__ATTRIBUTE_GROUPS(hwmon_attribute);
2743
2744static int asus_wmi_hwmon_init(struct asus_wmi *asus)
2745{
2746 struct device *dev = &asus->platform_device->dev;
2747 struct device *hwmon;
2748
2749 hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
2750 hwmon_attribute_groups);
2751
2752 if (IS_ERR(hwmon)) {
2753 pr_err("Could not register asus hwmon device\n");
2754 return PTR_ERR(hwmon);
2755 }
2756 return 0;
2757}
2758
2759static int asus_wmi_fan_init(struct asus_wmi *asus)
2760{
2761 asus->gpu_fan_type = FAN_TYPE_NONE;
2762 asus->mid_fan_type = FAN_TYPE_NONE;
2763 asus->fan_type = FAN_TYPE_NONE;
2764 asus->agfn_pwm = -1;
2765
2766 if (asus->driver->quirks->wmi_ignore_fan)
2767 asus->fan_type = FAN_TYPE_NONE;
2768 else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
2769 asus->fan_type = FAN_TYPE_SPEC83;
2770 else if (asus_wmi_has_agfn_fan(asus))
2771 asus->fan_type = FAN_TYPE_AGFN;
2772
2773 /* Modern models like G713 also have GPU fan control */
2774 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_FAN_CTRL))
2775 asus->gpu_fan_type = FAN_TYPE_SPEC83;
2776
2777 /* Some models also have a center/middle fan */
2778 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MID_FAN_CTRL))
2779 asus->mid_fan_type = FAN_TYPE_SPEC83;
2780
2781 if (asus->fan_type == FAN_TYPE_NONE)
2782 return -ENODEV;
2783
2784 asus_fan_set_auto(asus);
2785 asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO;
2786 return 0;
2787}
2788
2789/* Fan mode *******************************************************************/
2790
2791static int fan_boost_mode_check_present(struct asus_wmi *asus)
2792{
2793 u32 result;
2794 int err;
2795
2796 asus->fan_boost_mode_available = false;
2797
2798 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
2799 &result);
2800 if (err) {
2801 if (err == -ENODEV)
2802 return 0;
2803 else
2804 return err;
2805 }
2806
2807 if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
2808 (result & ASUS_FAN_BOOST_MODES_MASK)) {
2809 asus->fan_boost_mode_available = true;
2810 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
2811 }
2812
2813 return 0;
2814}
2815
2816static int fan_boost_mode_write(struct asus_wmi *asus)
2817{
2818 u32 retval;
2819 u8 value;
2820 int err;
2821
2822 value = asus->fan_boost_mode;
2823
2824 pr_info("Set fan boost mode: %u\n", value);
2825 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
2826 &retval);
2827
2828 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
2829 "fan_boost_mode");
2830
2831 if (err) {
2832 pr_warn("Failed to set fan boost mode: %d\n", err);
2833 return err;
2834 }
2835
2836 if (retval != 1) {
2837 pr_warn("Failed to set fan boost mode (retval): 0x%x\n",
2838 retval);
2839 return -EIO;
2840 }
2841
2842 return 0;
2843}
2844
2845static int fan_boost_mode_switch_next(struct asus_wmi *asus)
2846{
2847 u8 mask = asus->fan_boost_mode_mask;
2848
2849 if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) {
2850 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)
2851 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST;
2852 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
2853 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
2854 } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2855 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
2856 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
2857 else
2858 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
2859 } else {
2860 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
2861 }
2862
2863 return fan_boost_mode_write(asus);
2864}
2865
2866static ssize_t fan_boost_mode_show(struct device *dev,
2867 struct device_attribute *attr, char *buf)
2868{
2869 struct asus_wmi *asus = dev_get_drvdata(dev);
2870
2871 return sysfs_emit(buf, "%d\n", asus->fan_boost_mode);
2872}
2873
2874static ssize_t fan_boost_mode_store(struct device *dev,
2875 struct device_attribute *attr,
2876 const char *buf, size_t count)
2877{
2878 struct asus_wmi *asus = dev_get_drvdata(dev);
2879 u8 mask = asus->fan_boost_mode_mask;
2880 u8 new_mode;
2881 int result;
2882
2883 result = kstrtou8(buf, 10, &new_mode);
2884 if (result < 0) {
2885 pr_warn("Trying to store invalid value\n");
2886 return result;
2887 }
2888
2889 if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2890 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK))
2891 return -EINVAL;
2892 } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) {
2893 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK))
2894 return -EINVAL;
2895 } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) {
2896 return -EINVAL;
2897 }
2898
2899 asus->fan_boost_mode = new_mode;
2900 fan_boost_mode_write(asus);
2901
2902 return count;
2903}
2904
2905// Fan boost mode: 0 - normal, 1 - overboost, 2 - silent
2906static DEVICE_ATTR_RW(fan_boost_mode);
2907
2908/* Custom fan curves **********************************************************/
2909
2910static void fan_curve_copy_from_buf(struct fan_curve_data *data, u8 *buf)
2911{
2912 int i;
2913
2914 for (i = 0; i < FAN_CURVE_POINTS; i++) {
2915 data->temps[i] = buf[i];
2916 }
2917
2918 for (i = 0; i < FAN_CURVE_POINTS; i++) {
2919 data->percents[i] =
2920 255 * buf[i + FAN_CURVE_POINTS] / 100;
2921 }
2922}
2923
2924static int fan_curve_get_factory_default(struct asus_wmi *asus, u32 fan_dev)
2925{
2926 struct fan_curve_data *curves;
2927 u8 buf[FAN_CURVE_BUF_LEN];
2928 int err, fan_idx;
2929 u8 mode = 0;
2930
2931 if (asus->throttle_thermal_policy_available)
2932 mode = asus->throttle_thermal_policy_mode;
2933 /* DEVID_<C/G>PU_FAN_CURVE is switched for OVERBOOST vs SILENT */
2934 if (mode == 2)
2935 mode = 1;
2936 else if (mode == 1)
2937 mode = 2;
2938
2939 err = asus_wmi_evaluate_method_buf(asus->dsts_id, fan_dev, mode, buf,
2940 FAN_CURVE_BUF_LEN);
2941 if (err) {
2942 pr_warn("%s (0x%08x) failed: %d\n", __func__, fan_dev, err);
2943 return err;
2944 }
2945
2946 fan_idx = FAN_CURVE_DEV_CPU;
2947 if (fan_dev == ASUS_WMI_DEVID_GPU_FAN_CURVE)
2948 fan_idx = FAN_CURVE_DEV_GPU;
2949
2950 if (fan_dev == ASUS_WMI_DEVID_MID_FAN_CURVE)
2951 fan_idx = FAN_CURVE_DEV_MID;
2952
2953 curves = &asus->custom_fan_curves[fan_idx];
2954 curves->device_id = fan_dev;
2955
2956 fan_curve_copy_from_buf(curves, buf);
2957 return 0;
2958}
2959
2960/* Check if capability exists, and populate defaults */
2961static int fan_curve_check_present(struct asus_wmi *asus, bool *available,
2962 u32 fan_dev)
2963{
2964 int err;
2965
2966 *available = false;
2967
2968 if (asus->fan_type == FAN_TYPE_NONE)
2969 return 0;
2970
2971 err = fan_curve_get_factory_default(asus, fan_dev);
2972 if (err) {
2973 return 0;
2974 }
2975
2976 *available = true;
2977 return 0;
2978}
2979
2980/* Determine which fan the attribute is for if SENSOR_ATTR */
2981static struct fan_curve_data *fan_curve_attr_select(struct asus_wmi *asus,
2982 struct device_attribute *attr)
2983{
2984 int index = to_sensor_dev_attr(attr)->index;
2985
2986 return &asus->custom_fan_curves[index];
2987}
2988
2989/* Determine which fan the attribute is for if SENSOR_ATTR_2 */
2990static struct fan_curve_data *fan_curve_attr_2_select(struct asus_wmi *asus,
2991 struct device_attribute *attr)
2992{
2993 int nr = to_sensor_dev_attr_2(attr)->nr;
2994
2995 return &asus->custom_fan_curves[nr & ~FAN_CURVE_PWM_MASK];
2996}
2997
2998static ssize_t fan_curve_show(struct device *dev,
2999 struct device_attribute *attr, char *buf)
3000{
3001 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
3002 struct asus_wmi *asus = dev_get_drvdata(dev);
3003 struct fan_curve_data *data;
3004 int value, pwm, index;
3005
3006 data = fan_curve_attr_2_select(asus, attr);
3007 pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
3008 index = dev_attr->index;
3009
3010 if (pwm)
3011 value = data->percents[index];
3012 else
3013 value = data->temps[index];
3014
3015 return sysfs_emit(buf, "%d\n", value);
3016}
3017
3018/*
3019 * "fan_dev" is the related WMI method such as ASUS_WMI_DEVID_CPU_FAN_CURVE.
3020 */
3021static int fan_curve_write(struct asus_wmi *asus,
3022 struct fan_curve_data *data)
3023{
3024 u32 arg1 = 0, arg2 = 0, arg3 = 0, arg4 = 0;
3025 u8 *percents = data->percents;
3026 u8 *temps = data->temps;
3027 int ret, i, shift = 0;
3028
3029 if (!data->enabled)
3030 return 0;
3031
3032 for (i = 0; i < FAN_CURVE_POINTS / 2; i++) {
3033 arg1 += (temps[i]) << shift;
3034 arg2 += (temps[i + 4]) << shift;
3035 /* Scale to percentage for device */
3036 arg3 += (100 * percents[i] / 255) << shift;
3037 arg4 += (100 * percents[i + 4] / 255) << shift;
3038 shift += 8;
3039 }
3040
3041 return asus_wmi_evaluate_method5(ASUS_WMI_METHODID_DEVS,
3042 data->device_id,
3043 arg1, arg2, arg3, arg4, &ret);
3044}
3045
3046static ssize_t fan_curve_store(struct device *dev,
3047 struct device_attribute *attr, const char *buf,
3048 size_t count)
3049{
3050 struct sensor_device_attribute_2 *dev_attr = to_sensor_dev_attr_2(attr);
3051 struct asus_wmi *asus = dev_get_drvdata(dev);
3052 struct fan_curve_data *data;
3053 int err, pwm, index;
3054 u8 value;
3055
3056 data = fan_curve_attr_2_select(asus, attr);
3057 pwm = dev_attr->nr & FAN_CURVE_PWM_MASK;
3058 index = dev_attr->index;
3059
3060 err = kstrtou8(buf, 10, &value);
3061 if (err < 0)
3062 return err;
3063
3064 if (pwm)
3065 data->percents[index] = value;
3066 else
3067 data->temps[index] = value;
3068
3069 /*
3070 * Mark as disabled so the user has to explicitly enable to apply a
3071 * changed fan curve. This prevents potential lockups from writing out
3072 * many changes as one-write-per-change.
3073 */
3074 data->enabled = false;
3075
3076 return count;
3077}
3078
3079static ssize_t fan_curve_enable_show(struct device *dev,
3080 struct device_attribute *attr, char *buf)
3081{
3082 struct asus_wmi *asus = dev_get_drvdata(dev);
3083 struct fan_curve_data *data;
3084 int out = 2;
3085
3086 data = fan_curve_attr_select(asus, attr);
3087
3088 if (data->enabled)
3089 out = 1;
3090
3091 return sysfs_emit(buf, "%d\n", out);
3092}
3093
3094static ssize_t fan_curve_enable_store(struct device *dev,
3095 struct device_attribute *attr,
3096 const char *buf, size_t count)
3097{
3098 struct asus_wmi *asus = dev_get_drvdata(dev);
3099 struct fan_curve_data *data;
3100 int value, err;
3101
3102 data = fan_curve_attr_select(asus, attr);
3103
3104 err = kstrtoint(buf, 10, &value);
3105 if (err < 0)
3106 return err;
3107
3108 switch (value) {
3109 case 1:
3110 data->enabled = true;
3111 break;
3112 case 2:
3113 data->enabled = false;
3114 break;
3115 /*
3116 * Auto + reset the fan curve data to defaults. Make it an explicit
3117 * option so that users don't accidentally overwrite a set fan curve.
3118 */
3119 case 3:
3120 err = fan_curve_get_factory_default(asus, data->device_id);
3121 if (err)
3122 return err;
3123 data->enabled = false;
3124 break;
3125 default:
3126 return -EINVAL;
3127 }
3128
3129 if (data->enabled) {
3130 err = fan_curve_write(asus, data);
3131 if (err)
3132 return err;
3133 } else {
3134 /*
3135 * For machines with throttle this is the only way to reset fans
3136 * to default mode of operation (does not erase curve data).
3137 */
3138 if (asus->throttle_thermal_policy_available) {
3139 err = throttle_thermal_policy_write(asus);
3140 if (err)
3141 return err;
3142 /* Similar is true for laptops with this fan */
3143 } else if (asus->fan_type == FAN_TYPE_SPEC83) {
3144 err = asus_fan_set_auto(asus);
3145 if (err)
3146 return err;
3147 } else {
3148 /* Safeguard against fautly ACPI tables */
3149 err = fan_curve_get_factory_default(asus, data->device_id);
3150 if (err)
3151 return err;
3152 err = fan_curve_write(asus, data);
3153 if (err)
3154 return err;
3155 }
3156 }
3157 return count;
3158}
3159
3160/* CPU */
3161static SENSOR_DEVICE_ATTR_RW(pwm1_enable, fan_curve_enable, FAN_CURVE_DEV_CPU);
3162static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_temp, fan_curve,
3163 FAN_CURVE_DEV_CPU, 0);
3164static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_temp, fan_curve,
3165 FAN_CURVE_DEV_CPU, 1);
3166static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_temp, fan_curve,
3167 FAN_CURVE_DEV_CPU, 2);
3168static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_temp, fan_curve,
3169 FAN_CURVE_DEV_CPU, 3);
3170static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_temp, fan_curve,
3171 FAN_CURVE_DEV_CPU, 4);
3172static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_temp, fan_curve,
3173 FAN_CURVE_DEV_CPU, 5);
3174static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_temp, fan_curve,
3175 FAN_CURVE_DEV_CPU, 6);
3176static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_temp, fan_curve,
3177 FAN_CURVE_DEV_CPU, 7);
3178
3179static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point1_pwm, fan_curve,
3180 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 0);
3181static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point2_pwm, fan_curve,
3182 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 1);
3183static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point3_pwm, fan_curve,
3184 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 2);
3185static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point4_pwm, fan_curve,
3186 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 3);
3187static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point5_pwm, fan_curve,
3188 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 4);
3189static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point6_pwm, fan_curve,
3190 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 5);
3191static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point7_pwm, fan_curve,
3192 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 6);
3193static SENSOR_DEVICE_ATTR_2_RW(pwm1_auto_point8_pwm, fan_curve,
3194 FAN_CURVE_DEV_CPU | FAN_CURVE_PWM_MASK, 7);
3195
3196/* GPU */
3197static SENSOR_DEVICE_ATTR_RW(pwm2_enable, fan_curve_enable, FAN_CURVE_DEV_GPU);
3198static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_temp, fan_curve,
3199 FAN_CURVE_DEV_GPU, 0);
3200static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_temp, fan_curve,
3201 FAN_CURVE_DEV_GPU, 1);
3202static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_temp, fan_curve,
3203 FAN_CURVE_DEV_GPU, 2);
3204static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_temp, fan_curve,
3205 FAN_CURVE_DEV_GPU, 3);
3206static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_temp, fan_curve,
3207 FAN_CURVE_DEV_GPU, 4);
3208static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_temp, fan_curve,
3209 FAN_CURVE_DEV_GPU, 5);
3210static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_temp, fan_curve,
3211 FAN_CURVE_DEV_GPU, 6);
3212static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_temp, fan_curve,
3213 FAN_CURVE_DEV_GPU, 7);
3214
3215static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point1_pwm, fan_curve,
3216 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 0);
3217static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point2_pwm, fan_curve,
3218 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 1);
3219static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point3_pwm, fan_curve,
3220 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 2);
3221static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point4_pwm, fan_curve,
3222 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 3);
3223static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point5_pwm, fan_curve,
3224 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 4);
3225static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point6_pwm, fan_curve,
3226 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 5);
3227static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point7_pwm, fan_curve,
3228 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 6);
3229static SENSOR_DEVICE_ATTR_2_RW(pwm2_auto_point8_pwm, fan_curve,
3230 FAN_CURVE_DEV_GPU | FAN_CURVE_PWM_MASK, 7);
3231
3232/* MID */
3233static SENSOR_DEVICE_ATTR_RW(pwm3_enable, fan_curve_enable, FAN_CURVE_DEV_MID);
3234static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_temp, fan_curve,
3235 FAN_CURVE_DEV_MID, 0);
3236static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_temp, fan_curve,
3237 FAN_CURVE_DEV_MID, 1);
3238static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_temp, fan_curve,
3239 FAN_CURVE_DEV_MID, 2);
3240static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_temp, fan_curve,
3241 FAN_CURVE_DEV_MID, 3);
3242static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_temp, fan_curve,
3243 FAN_CURVE_DEV_MID, 4);
3244static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_temp, fan_curve,
3245 FAN_CURVE_DEV_MID, 5);
3246static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_temp, fan_curve,
3247 FAN_CURVE_DEV_MID, 6);
3248static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_temp, fan_curve,
3249 FAN_CURVE_DEV_MID, 7);
3250
3251static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point1_pwm, fan_curve,
3252 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 0);
3253static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point2_pwm, fan_curve,
3254 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 1);
3255static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point3_pwm, fan_curve,
3256 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 2);
3257static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point4_pwm, fan_curve,
3258 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 3);
3259static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point5_pwm, fan_curve,
3260 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 4);
3261static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point6_pwm, fan_curve,
3262 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 5);
3263static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point7_pwm, fan_curve,
3264 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 6);
3265static SENSOR_DEVICE_ATTR_2_RW(pwm3_auto_point8_pwm, fan_curve,
3266 FAN_CURVE_DEV_MID | FAN_CURVE_PWM_MASK, 7);
3267
3268static struct attribute *asus_fan_curve_attr[] = {
3269 /* CPU */
3270 &sensor_dev_attr_pwm1_enable.dev_attr.attr,
3271 &sensor_dev_attr_pwm1_auto_point1_temp.dev_attr.attr,
3272 &sensor_dev_attr_pwm1_auto_point2_temp.dev_attr.attr,
3273 &sensor_dev_attr_pwm1_auto_point3_temp.dev_attr.attr,
3274 &sensor_dev_attr_pwm1_auto_point4_temp.dev_attr.attr,
3275 &sensor_dev_attr_pwm1_auto_point5_temp.dev_attr.attr,
3276 &sensor_dev_attr_pwm1_auto_point6_temp.dev_attr.attr,
3277 &sensor_dev_attr_pwm1_auto_point7_temp.dev_attr.attr,
3278 &sensor_dev_attr_pwm1_auto_point8_temp.dev_attr.attr,
3279 &sensor_dev_attr_pwm1_auto_point1_pwm.dev_attr.attr,
3280 &sensor_dev_attr_pwm1_auto_point2_pwm.dev_attr.attr,
3281 &sensor_dev_attr_pwm1_auto_point3_pwm.dev_attr.attr,
3282 &sensor_dev_attr_pwm1_auto_point4_pwm.dev_attr.attr,
3283 &sensor_dev_attr_pwm1_auto_point5_pwm.dev_attr.attr,
3284 &sensor_dev_attr_pwm1_auto_point6_pwm.dev_attr.attr,
3285 &sensor_dev_attr_pwm1_auto_point7_pwm.dev_attr.attr,
3286 &sensor_dev_attr_pwm1_auto_point8_pwm.dev_attr.attr,
3287 /* GPU */
3288 &sensor_dev_attr_pwm2_enable.dev_attr.attr,
3289 &sensor_dev_attr_pwm2_auto_point1_temp.dev_attr.attr,
3290 &sensor_dev_attr_pwm2_auto_point2_temp.dev_attr.attr,
3291 &sensor_dev_attr_pwm2_auto_point3_temp.dev_attr.attr,
3292 &sensor_dev_attr_pwm2_auto_point4_temp.dev_attr.attr,
3293 &sensor_dev_attr_pwm2_auto_point5_temp.dev_attr.attr,
3294 &sensor_dev_attr_pwm2_auto_point6_temp.dev_attr.attr,
3295 &sensor_dev_attr_pwm2_auto_point7_temp.dev_attr.attr,
3296 &sensor_dev_attr_pwm2_auto_point8_temp.dev_attr.attr,
3297 &sensor_dev_attr_pwm2_auto_point1_pwm.dev_attr.attr,
3298 &sensor_dev_attr_pwm2_auto_point2_pwm.dev_attr.attr,
3299 &sensor_dev_attr_pwm2_auto_point3_pwm.dev_attr.attr,
3300 &sensor_dev_attr_pwm2_auto_point4_pwm.dev_attr.attr,
3301 &sensor_dev_attr_pwm2_auto_point5_pwm.dev_attr.attr,
3302 &sensor_dev_attr_pwm2_auto_point6_pwm.dev_attr.attr,
3303 &sensor_dev_attr_pwm2_auto_point7_pwm.dev_attr.attr,
3304 &sensor_dev_attr_pwm2_auto_point8_pwm.dev_attr.attr,
3305 /* MID */
3306 &sensor_dev_attr_pwm3_enable.dev_attr.attr,
3307 &sensor_dev_attr_pwm3_auto_point1_temp.dev_attr.attr,
3308 &sensor_dev_attr_pwm3_auto_point2_temp.dev_attr.attr,
3309 &sensor_dev_attr_pwm3_auto_point3_temp.dev_attr.attr,
3310 &sensor_dev_attr_pwm3_auto_point4_temp.dev_attr.attr,
3311 &sensor_dev_attr_pwm3_auto_point5_temp.dev_attr.attr,
3312 &sensor_dev_attr_pwm3_auto_point6_temp.dev_attr.attr,
3313 &sensor_dev_attr_pwm3_auto_point7_temp.dev_attr.attr,
3314 &sensor_dev_attr_pwm3_auto_point8_temp.dev_attr.attr,
3315 &sensor_dev_attr_pwm3_auto_point1_pwm.dev_attr.attr,
3316 &sensor_dev_attr_pwm3_auto_point2_pwm.dev_attr.attr,
3317 &sensor_dev_attr_pwm3_auto_point3_pwm.dev_attr.attr,
3318 &sensor_dev_attr_pwm3_auto_point4_pwm.dev_attr.attr,
3319 &sensor_dev_attr_pwm3_auto_point5_pwm.dev_attr.attr,
3320 &sensor_dev_attr_pwm3_auto_point6_pwm.dev_attr.attr,
3321 &sensor_dev_attr_pwm3_auto_point7_pwm.dev_attr.attr,
3322 &sensor_dev_attr_pwm3_auto_point8_pwm.dev_attr.attr,
3323 NULL
3324};
3325
3326static umode_t asus_fan_curve_is_visible(struct kobject *kobj,
3327 struct attribute *attr, int idx)
3328{
3329 struct device *dev = kobj_to_dev(kobj);
3330 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
3331
3332 /*
3333 * Check the char instead of casting attr as there are two attr types
3334 * involved here (attr1 and attr2)
3335 */
3336 if (asus->cpu_fan_curve_available && attr->name[3] == '1')
3337 return 0644;
3338
3339 if (asus->gpu_fan_curve_available && attr->name[3] == '2')
3340 return 0644;
3341
3342 if (asus->mid_fan_curve_available && attr->name[3] == '3')
3343 return 0644;
3344
3345 return 0;
3346}
3347
3348static const struct attribute_group asus_fan_curve_attr_group = {
3349 .is_visible = asus_fan_curve_is_visible,
3350 .attrs = asus_fan_curve_attr,
3351};
3352__ATTRIBUTE_GROUPS(asus_fan_curve_attr);
3353
3354/*
3355 * Must be initialised after throttle_thermal_policy_check_present() as
3356 * we check the status of throttle_thermal_policy_available during init.
3357 */
3358static int asus_wmi_custom_fan_curve_init(struct asus_wmi *asus)
3359{
3360 struct device *dev = &asus->platform_device->dev;
3361 struct device *hwmon;
3362 int err;
3363
3364 err = fan_curve_check_present(asus, &asus->cpu_fan_curve_available,
3365 ASUS_WMI_DEVID_CPU_FAN_CURVE);
3366 if (err)
3367 return err;
3368
3369 err = fan_curve_check_present(asus, &asus->gpu_fan_curve_available,
3370 ASUS_WMI_DEVID_GPU_FAN_CURVE);
3371 if (err)
3372 return err;
3373
3374 err = fan_curve_check_present(asus, &asus->mid_fan_curve_available,
3375 ASUS_WMI_DEVID_MID_FAN_CURVE);
3376 if (err)
3377 return err;
3378
3379 if (!asus->cpu_fan_curve_available
3380 && !asus->gpu_fan_curve_available
3381 && !asus->mid_fan_curve_available)
3382 return 0;
3383
3384 hwmon = devm_hwmon_device_register_with_groups(
3385 dev, "asus_custom_fan_curve", asus, asus_fan_curve_attr_groups);
3386
3387 if (IS_ERR(hwmon)) {
3388 dev_err(dev,
3389 "Could not register asus_custom_fan_curve device\n");
3390 return PTR_ERR(hwmon);
3391 }
3392
3393 return 0;
3394}
3395
3396/* Throttle thermal policy ****************************************************/
3397
3398static int throttle_thermal_policy_check_present(struct asus_wmi *asus)
3399{
3400 u32 result;
3401 int err;
3402
3403 asus->throttle_thermal_policy_available = false;
3404
3405 err = asus_wmi_get_devstate(asus,
3406 ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
3407 &result);
3408 if (err) {
3409 if (err == -ENODEV)
3410 return 0;
3411 return err;
3412 }
3413
3414 if (result & ASUS_WMI_DSTS_PRESENCE_BIT)
3415 asus->throttle_thermal_policy_available = true;
3416
3417 return 0;
3418}
3419
3420static int throttle_thermal_policy_write(struct asus_wmi *asus)
3421{
3422 int err;
3423 u8 value;
3424 u32 retval;
3425
3426 value = asus->throttle_thermal_policy_mode;
3427
3428 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
3429 value, &retval);
3430
3431 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
3432 "throttle_thermal_policy");
3433
3434 if (err) {
3435 pr_warn("Failed to set throttle thermal policy: %d\n", err);
3436 return err;
3437 }
3438
3439 if (retval != 1) {
3440 pr_warn("Failed to set throttle thermal policy (retval): 0x%x\n",
3441 retval);
3442 return -EIO;
3443 }
3444
3445 /* Must set to disabled if mode is toggled */
3446 if (asus->cpu_fan_curve_available)
3447 asus->custom_fan_curves[FAN_CURVE_DEV_CPU].enabled = false;
3448 if (asus->gpu_fan_curve_available)
3449 asus->custom_fan_curves[FAN_CURVE_DEV_GPU].enabled = false;
3450 if (asus->mid_fan_curve_available)
3451 asus->custom_fan_curves[FAN_CURVE_DEV_MID].enabled = false;
3452
3453 return 0;
3454}
3455
3456static int throttle_thermal_policy_set_default(struct asus_wmi *asus)
3457{
3458 if (!asus->throttle_thermal_policy_available)
3459 return 0;
3460
3461 asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
3462 return throttle_thermal_policy_write(asus);
3463}
3464
3465static int throttle_thermal_policy_switch_next(struct asus_wmi *asus)
3466{
3467 u8 new_mode = asus->throttle_thermal_policy_mode + 1;
3468 int err;
3469
3470 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
3471 new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
3472
3473 asus->throttle_thermal_policy_mode = new_mode;
3474 err = throttle_thermal_policy_write(asus);
3475 if (err)
3476 return err;
3477
3478 /*
3479 * Ensure that platform_profile updates userspace with the change to ensure
3480 * that platform_profile and throttle_thermal_policy_mode are in sync.
3481 */
3482 platform_profile_notify();
3483
3484 return 0;
3485}
3486
3487static ssize_t throttle_thermal_policy_show(struct device *dev,
3488 struct device_attribute *attr, char *buf)
3489{
3490 struct asus_wmi *asus = dev_get_drvdata(dev);
3491 u8 mode = asus->throttle_thermal_policy_mode;
3492
3493 return sysfs_emit(buf, "%d\n", mode);
3494}
3495
3496static ssize_t throttle_thermal_policy_store(struct device *dev,
3497 struct device_attribute *attr,
3498 const char *buf, size_t count)
3499{
3500 struct asus_wmi *asus = dev_get_drvdata(dev);
3501 u8 new_mode;
3502 int result;
3503 int err;
3504
3505 result = kstrtou8(buf, 10, &new_mode);
3506 if (result < 0)
3507 return result;
3508
3509 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
3510 return -EINVAL;
3511
3512 asus->throttle_thermal_policy_mode = new_mode;
3513 err = throttle_thermal_policy_write(asus);
3514 if (err)
3515 return err;
3516
3517 /*
3518 * Ensure that platform_profile updates userspace with the change to ensure
3519 * that platform_profile and throttle_thermal_policy_mode are in sync.
3520 */
3521 platform_profile_notify();
3522
3523 return count;
3524}
3525
3526// Throttle thermal policy: 0 - default, 1 - overboost, 2 - silent
3527static DEVICE_ATTR_RW(throttle_thermal_policy);
3528
3529/* Platform profile ***********************************************************/
3530static int asus_wmi_platform_profile_get(struct platform_profile_handler *pprof,
3531 enum platform_profile_option *profile)
3532{
3533 struct asus_wmi *asus;
3534 int tp;
3535
3536 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
3537
3538 tp = asus->throttle_thermal_policy_mode;
3539
3540 switch (tp) {
3541 case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT:
3542 *profile = PLATFORM_PROFILE_BALANCED;
3543 break;
3544 case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST:
3545 *profile = PLATFORM_PROFILE_PERFORMANCE;
3546 break;
3547 case ASUS_THROTTLE_THERMAL_POLICY_SILENT:
3548 *profile = PLATFORM_PROFILE_QUIET;
3549 break;
3550 default:
3551 return -EINVAL;
3552 }
3553
3554 return 0;
3555}
3556
3557static int asus_wmi_platform_profile_set(struct platform_profile_handler *pprof,
3558 enum platform_profile_option profile)
3559{
3560 struct asus_wmi *asus;
3561 int tp;
3562
3563 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
3564
3565 switch (profile) {
3566 case PLATFORM_PROFILE_PERFORMANCE:
3567 tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST;
3568 break;
3569 case PLATFORM_PROFILE_BALANCED:
3570 tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
3571 break;
3572 case PLATFORM_PROFILE_QUIET:
3573 tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT;
3574 break;
3575 default:
3576 return -EOPNOTSUPP;
3577 }
3578
3579 asus->throttle_thermal_policy_mode = tp;
3580 return throttle_thermal_policy_write(asus);
3581}
3582
3583static int platform_profile_setup(struct asus_wmi *asus)
3584{
3585 struct device *dev = &asus->platform_device->dev;
3586 int err;
3587
3588 /*
3589 * Not an error if a component platform_profile relies on is unavailable
3590 * so early return, skipping the setup of platform_profile.
3591 */
3592 if (!asus->throttle_thermal_policy_available)
3593 return 0;
3594
3595 dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n");
3596
3597 asus->platform_profile_handler.profile_get = asus_wmi_platform_profile_get;
3598 asus->platform_profile_handler.profile_set = asus_wmi_platform_profile_set;
3599
3600 set_bit(PLATFORM_PROFILE_QUIET, asus->platform_profile_handler.choices);
3601 set_bit(PLATFORM_PROFILE_BALANCED,
3602 asus->platform_profile_handler.choices);
3603 set_bit(PLATFORM_PROFILE_PERFORMANCE,
3604 asus->platform_profile_handler.choices);
3605
3606 err = platform_profile_register(&asus->platform_profile_handler);
3607 if (err)
3608 return err;
3609
3610 asus->platform_profile_support = true;
3611 return 0;
3612}
3613
3614/* Backlight ******************************************************************/
3615
3616static int read_backlight_power(struct asus_wmi *asus)
3617{
3618 int ret;
3619
3620 if (asus->driver->quirks->store_backlight_power)
3621 ret = !asus->driver->panel_power;
3622 else
3623 ret = asus_wmi_get_devstate_simple(asus,
3624 ASUS_WMI_DEVID_BACKLIGHT);
3625
3626 if (ret < 0)
3627 return ret;
3628
3629 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
3630}
3631
3632static int read_brightness_max(struct asus_wmi *asus)
3633{
3634 u32 retval;
3635 int err;
3636
3637 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3638 if (err < 0)
3639 return err;
3640
3641 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
3642 retval >>= 8;
3643
3644 if (!retval)
3645 return -ENODEV;
3646
3647 return retval;
3648}
3649
3650static int read_brightness(struct backlight_device *bd)
3651{
3652 struct asus_wmi *asus = bl_get_data(bd);
3653 u32 retval;
3654 int err;
3655
3656 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
3657 if (err < 0)
3658 return err;
3659
3660 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
3661}
3662
3663static u32 get_scalar_command(struct backlight_device *bd)
3664{
3665 struct asus_wmi *asus = bl_get_data(bd);
3666 u32 ctrl_param = 0;
3667
3668 if ((asus->driver->brightness < bd->props.brightness) ||
3669 bd->props.brightness == bd->props.max_brightness)
3670 ctrl_param = 0x00008001;
3671 else if ((asus->driver->brightness > bd->props.brightness) ||
3672 bd->props.brightness == 0)
3673 ctrl_param = 0x00008000;
3674
3675 asus->driver->brightness = bd->props.brightness;
3676
3677 return ctrl_param;
3678}
3679
3680static int update_bl_status(struct backlight_device *bd)
3681{
3682 struct asus_wmi *asus = bl_get_data(bd);
3683 u32 ctrl_param;
3684 int power, err = 0;
3685
3686 power = read_backlight_power(asus);
3687 if (power != -ENODEV && bd->props.power != power) {
3688 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
3689 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
3690 ctrl_param, NULL);
3691 if (asus->driver->quirks->store_backlight_power)
3692 asus->driver->panel_power = bd->props.power;
3693
3694 /* When using scalar brightness, updating the brightness
3695 * will mess with the backlight power */
3696 if (asus->driver->quirks->scalar_panel_brightness)
3697 return err;
3698 }
3699
3700 if (asus->driver->quirks->scalar_panel_brightness)
3701 ctrl_param = get_scalar_command(bd);
3702 else
3703 ctrl_param = bd->props.brightness;
3704
3705 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
3706 ctrl_param, NULL);
3707
3708 return err;
3709}
3710
3711static const struct backlight_ops asus_wmi_bl_ops = {
3712 .get_brightness = read_brightness,
3713 .update_status = update_bl_status,
3714};
3715
3716static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
3717{
3718 struct backlight_device *bd = asus->backlight_device;
3719 int old = bd->props.brightness;
3720 int new = old;
3721
3722 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
3723 new = code - NOTIFY_BRNUP_MIN + 1;
3724 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
3725 new = code - NOTIFY_BRNDOWN_MIN;
3726
3727 bd->props.brightness = new;
3728 backlight_update_status(bd);
3729 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
3730
3731 return old;
3732}
3733
3734static int asus_wmi_backlight_init(struct asus_wmi *asus)
3735{
3736 struct backlight_device *bd;
3737 struct backlight_properties props;
3738 int max;
3739 int power;
3740
3741 max = read_brightness_max(asus);
3742 if (max < 0)
3743 return max;
3744
3745 power = read_backlight_power(asus);
3746 if (power == -ENODEV)
3747 power = FB_BLANK_UNBLANK;
3748 else if (power < 0)
3749 return power;
3750
3751 memset(&props, 0, sizeof(struct backlight_properties));
3752 props.type = BACKLIGHT_PLATFORM;
3753 props.max_brightness = max;
3754 bd = backlight_device_register(asus->driver->name,
3755 &asus->platform_device->dev, asus,
3756 &asus_wmi_bl_ops, &props);
3757 if (IS_ERR(bd)) {
3758 pr_err("Could not register backlight device\n");
3759 return PTR_ERR(bd);
3760 }
3761
3762 asus->backlight_device = bd;
3763
3764 if (asus->driver->quirks->store_backlight_power)
3765 asus->driver->panel_power = power;
3766
3767 bd->props.brightness = read_brightness(bd);
3768 bd->props.power = power;
3769 backlight_update_status(bd);
3770
3771 asus->driver->brightness = bd->props.brightness;
3772
3773 return 0;
3774}
3775
3776static void asus_wmi_backlight_exit(struct asus_wmi *asus)
3777{
3778 backlight_device_unregister(asus->backlight_device);
3779
3780 asus->backlight_device = NULL;
3781}
3782
3783static int is_display_toggle(int code)
3784{
3785 /* display toggle keys */
3786 if ((code >= 0x61 && code <= 0x67) ||
3787 (code >= 0x8c && code <= 0x93) ||
3788 (code >= 0xa0 && code <= 0xa7) ||
3789 (code >= 0xd0 && code <= 0xd5))
3790 return 1;
3791
3792 return 0;
3793}
3794
3795/* Screenpad backlight *******************************************************/
3796
3797static int read_screenpad_backlight_power(struct asus_wmi *asus)
3798{
3799 int ret;
3800
3801 ret = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_SCREENPAD_POWER);
3802 if (ret < 0)
3803 return ret;
3804 /* 1 == powered */
3805 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
3806}
3807
3808static int read_screenpad_brightness(struct backlight_device *bd)
3809{
3810 struct asus_wmi *asus = bl_get_data(bd);
3811 u32 retval;
3812 int err;
3813
3814 err = read_screenpad_backlight_power(asus);
3815 if (err < 0)
3816 return err;
3817 /* The device brightness can only be read if powered, so return stored */
3818 if (err == FB_BLANK_POWERDOWN)
3819 return asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN;
3820
3821 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &retval);
3822 if (err < 0)
3823 return err;
3824
3825 return (retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK) - ASUS_SCREENPAD_BRIGHT_MIN;
3826}
3827
3828static int update_screenpad_bl_status(struct backlight_device *bd)
3829{
3830 struct asus_wmi *asus = bl_get_data(bd);
3831 int power, err = 0;
3832 u32 ctrl_param;
3833
3834 power = read_screenpad_backlight_power(asus);
3835 if (power < 0)
3836 return power;
3837
3838 if (bd->props.power != power) {
3839 if (power != FB_BLANK_UNBLANK) {
3840 /* Only brightness > 0 can power it back on */
3841 ctrl_param = asus->driver->screenpad_brightness - ASUS_SCREENPAD_BRIGHT_MIN;
3842 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT,
3843 ctrl_param, NULL);
3844 } else {
3845 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_POWER, 0, NULL);
3846 }
3847 } else if (power == FB_BLANK_UNBLANK) {
3848 /* Only set brightness if powered on or we get invalid/unsync state */
3849 ctrl_param = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN;
3850 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_SCREENPAD_LIGHT, ctrl_param, NULL);
3851 }
3852
3853 /* Ensure brightness is stored to turn back on with */
3854 if (err == 0)
3855 asus->driver->screenpad_brightness = bd->props.brightness + ASUS_SCREENPAD_BRIGHT_MIN;
3856
3857 return err;
3858}
3859
3860static const struct backlight_ops asus_screenpad_bl_ops = {
3861 .get_brightness = read_screenpad_brightness,
3862 .update_status = update_screenpad_bl_status,
3863 .options = BL_CORE_SUSPENDRESUME,
3864};
3865
3866static int asus_screenpad_init(struct asus_wmi *asus)
3867{
3868 struct backlight_device *bd;
3869 struct backlight_properties props;
3870 int err, power;
3871 int brightness = 0;
3872
3873 power = read_screenpad_backlight_power(asus);
3874 if (power < 0)
3875 return power;
3876
3877 if (power != FB_BLANK_POWERDOWN) {
3878 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT, &brightness);
3879 if (err < 0)
3880 return err;
3881 }
3882 /* default to an acceptable min brightness on boot if too low */
3883 if (brightness < ASUS_SCREENPAD_BRIGHT_MIN)
3884 brightness = ASUS_SCREENPAD_BRIGHT_DEFAULT;
3885
3886 memset(&props, 0, sizeof(struct backlight_properties));
3887 props.type = BACKLIGHT_RAW; /* ensure this bd is last to be picked */
3888 props.max_brightness = ASUS_SCREENPAD_BRIGHT_MAX - ASUS_SCREENPAD_BRIGHT_MIN;
3889 bd = backlight_device_register("asus_screenpad",
3890 &asus->platform_device->dev, asus,
3891 &asus_screenpad_bl_ops, &props);
3892 if (IS_ERR(bd)) {
3893 pr_err("Could not register backlight device\n");
3894 return PTR_ERR(bd);
3895 }
3896
3897 asus->screenpad_backlight_device = bd;
3898 asus->driver->screenpad_brightness = brightness;
3899 bd->props.brightness = brightness - ASUS_SCREENPAD_BRIGHT_MIN;
3900 bd->props.power = power;
3901 backlight_update_status(bd);
3902
3903 return 0;
3904}
3905
3906static void asus_screenpad_exit(struct asus_wmi *asus)
3907{
3908 backlight_device_unregister(asus->screenpad_backlight_device);
3909
3910 asus->screenpad_backlight_device = NULL;
3911}
3912
3913/* Fn-lock ********************************************************************/
3914
3915static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
3916{
3917 u32 result;
3918
3919 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
3920
3921 return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
3922 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
3923}
3924
3925static void asus_wmi_fnlock_update(struct asus_wmi *asus)
3926{
3927 int mode = asus->fnlock_locked;
3928
3929 asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
3930}
3931
3932/* WMI events *****************************************************************/
3933
3934static int asus_wmi_get_event_code(u32 value)
3935{
3936 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
3937 union acpi_object *obj;
3938 acpi_status status;
3939 int code;
3940
3941 status = wmi_get_event_data(value, &response);
3942 if (ACPI_FAILURE(status)) {
3943 pr_warn("Failed to get WMI notify code: %s\n",
3944 acpi_format_exception(status));
3945 return -EIO;
3946 }
3947
3948 obj = (union acpi_object *)response.pointer;
3949
3950 if (obj && obj->type == ACPI_TYPE_INTEGER)
3951 code = (int)(obj->integer.value & WMI_EVENT_MASK);
3952 else
3953 code = -EIO;
3954
3955 kfree(obj);
3956 return code;
3957}
3958
3959static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
3960{
3961 unsigned int key_value = 1;
3962 bool autorelease = 1;
3963
3964 if (asus->driver->key_filter) {
3965 asus->driver->key_filter(asus->driver, &code, &key_value,
3966 &autorelease);
3967 if (code == ASUS_WMI_KEY_IGNORE)
3968 return;
3969 }
3970
3971 if (acpi_video_get_backlight_type() == acpi_backlight_vendor &&
3972 code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNDOWN_MAX) {
3973 asus_wmi_backlight_notify(asus, code);
3974 return;
3975 }
3976
3977 if (code == NOTIFY_KBD_BRTUP) {
3978 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
3979 return;
3980 }
3981 if (code == NOTIFY_KBD_BRTDWN) {
3982 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
3983 return;
3984 }
3985 if (code == NOTIFY_KBD_BRTTOGGLE) {
3986 if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
3987 kbd_led_set_by_kbd(asus, 0);
3988 else
3989 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
3990 return;
3991 }
3992
3993 if (code == NOTIFY_FNLOCK_TOGGLE) {
3994 asus->fnlock_locked = !asus->fnlock_locked;
3995 asus_wmi_fnlock_update(asus);
3996 return;
3997 }
3998
3999 if (code == asus->tablet_switch_event_code) {
4000 asus_wmi_tablet_mode_get_state(asus);
4001 return;
4002 }
4003
4004 if (code == NOTIFY_KBD_FBM || code == NOTIFY_KBD_TTP) {
4005 if (asus->fan_boost_mode_available)
4006 fan_boost_mode_switch_next(asus);
4007 if (asus->throttle_thermal_policy_available)
4008 throttle_thermal_policy_switch_next(asus);
4009 return;
4010
4011 }
4012
4013 if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
4014 return;
4015
4016 if (!sparse_keymap_report_event(asus->inputdev, code,
4017 key_value, autorelease))
4018 pr_info("Unknown key code 0x%x\n", code);
4019}
4020
4021static void asus_wmi_notify(u32 value, void *context)
4022{
4023 struct asus_wmi *asus = context;
4024 int code = asus_wmi_get_event_code(value);
4025
4026 if (code < 0) {
4027 pr_warn("Failed to get notify code: %d\n", code);
4028 return;
4029 }
4030
4031 asus_wmi_handle_event_code(code, asus);
4032}
4033
4034/* Sysfs **********************************************************************/
4035
4036static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
4037 const char *buf, size_t count)
4038{
4039 u32 retval;
4040 int err, value;
4041
4042 value = asus_wmi_get_devstate_simple(asus, devid);
4043 if (value < 0)
4044 return value;
4045
4046 err = kstrtoint(buf, 0, &value);
4047 if (err)
4048 return err;
4049
4050 err = asus_wmi_set_devstate(devid, value, &retval);
4051 if (err < 0)
4052 return err;
4053
4054 return count;
4055}
4056
4057static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
4058{
4059 int value = asus_wmi_get_devstate_simple(asus, devid);
4060
4061 if (value < 0)
4062 return value;
4063
4064 return sprintf(buf, "%d\n", value);
4065}
4066
4067#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
4068 static ssize_t show_##_name(struct device *dev, \
4069 struct device_attribute *attr, \
4070 char *buf) \
4071 { \
4072 struct asus_wmi *asus = dev_get_drvdata(dev); \
4073 \
4074 return show_sys_wmi(asus, _cm, buf); \
4075 } \
4076 static ssize_t store_##_name(struct device *dev, \
4077 struct device_attribute *attr, \
4078 const char *buf, size_t count) \
4079 { \
4080 struct asus_wmi *asus = dev_get_drvdata(dev); \
4081 \
4082 return store_sys_wmi(asus, _cm, buf, count); \
4083 } \
4084 static struct device_attribute dev_attr_##_name = { \
4085 .attr = { \
4086 .name = __stringify(_name), \
4087 .mode = _mode }, \
4088 .show = show_##_name, \
4089 .store = store_##_name, \
4090 }
4091
4092ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
4093ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
4094ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
4095ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
4096ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
4097
4098static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
4099 const char *buf, size_t count)
4100{
4101 int value, rv;
4102
4103 rv = kstrtoint(buf, 0, &value);
4104 if (rv)
4105 return rv;
4106
4107 if (value < 0 || value > 2)
4108 return -EINVAL;
4109
4110 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
4111 if (rv < 0)
4112 return rv;
4113
4114 return count;
4115}
4116
4117static DEVICE_ATTR_WO(cpufv);
4118
4119static struct attribute *platform_attributes[] = {
4120 &dev_attr_cpufv.attr,
4121 &dev_attr_camera.attr,
4122 &dev_attr_cardr.attr,
4123 &dev_attr_touchpad.attr,
4124 &dev_attr_charge_mode.attr,
4125 &dev_attr_egpu_enable.attr,
4126 &dev_attr_egpu_connected.attr,
4127 &dev_attr_dgpu_disable.attr,
4128 &dev_attr_gpu_mux_mode.attr,
4129 &dev_attr_lid_resume.attr,
4130 &dev_attr_als_enable.attr,
4131 &dev_attr_fan_boost_mode.attr,
4132 &dev_attr_throttle_thermal_policy.attr,
4133 &dev_attr_ppt_pl2_sppt.attr,
4134 &dev_attr_ppt_pl1_spl.attr,
4135 &dev_attr_ppt_fppt.attr,
4136 &dev_attr_ppt_apu_sppt.attr,
4137 &dev_attr_ppt_platform_sppt.attr,
4138 &dev_attr_nv_dynamic_boost.attr,
4139 &dev_attr_nv_temp_target.attr,
4140 &dev_attr_panel_od.attr,
4141 &dev_attr_mini_led_mode.attr,
4142 NULL
4143};
4144
4145static umode_t asus_sysfs_is_visible(struct kobject *kobj,
4146 struct attribute *attr, int idx)
4147{
4148 struct device *dev = kobj_to_dev(kobj);
4149 struct asus_wmi *asus = dev_get_drvdata(dev);
4150 bool ok = true;
4151 int devid = -1;
4152
4153 if (attr == &dev_attr_camera.attr)
4154 devid = ASUS_WMI_DEVID_CAMERA;
4155 else if (attr == &dev_attr_cardr.attr)
4156 devid = ASUS_WMI_DEVID_CARDREADER;
4157 else if (attr == &dev_attr_touchpad.attr)
4158 devid = ASUS_WMI_DEVID_TOUCHPAD;
4159 else if (attr == &dev_attr_lid_resume.attr)
4160 devid = ASUS_WMI_DEVID_LID_RESUME;
4161 else if (attr == &dev_attr_als_enable.attr)
4162 devid = ASUS_WMI_DEVID_ALS_ENABLE;
4163 else if (attr == &dev_attr_charge_mode.attr)
4164 ok = asus->charge_mode_available;
4165 else if (attr == &dev_attr_egpu_enable.attr)
4166 ok = asus->egpu_enable_available;
4167 else if (attr == &dev_attr_egpu_connected.attr)
4168 ok = asus->egpu_connect_available;
4169 else if (attr == &dev_attr_dgpu_disable.attr)
4170 ok = asus->dgpu_disable_available;
4171 else if (attr == &dev_attr_gpu_mux_mode.attr)
4172 ok = asus->gpu_mux_mode_available;
4173 else if (attr == &dev_attr_fan_boost_mode.attr)
4174 ok = asus->fan_boost_mode_available;
4175 else if (attr == &dev_attr_throttle_thermal_policy.attr)
4176 ok = asus->throttle_thermal_policy_available;
4177 else if (attr == &dev_attr_ppt_pl2_sppt.attr)
4178 ok = asus->ppt_pl2_sppt_available;
4179 else if (attr == &dev_attr_ppt_pl1_spl.attr)
4180 ok = asus->ppt_pl1_spl_available;
4181 else if (attr == &dev_attr_ppt_fppt.attr)
4182 ok = asus->ppt_fppt_available;
4183 else if (attr == &dev_attr_ppt_apu_sppt.attr)
4184 ok = asus->ppt_apu_sppt_available;
4185 else if (attr == &dev_attr_ppt_platform_sppt.attr)
4186 ok = asus->ppt_plat_sppt_available;
4187 else if (attr == &dev_attr_nv_dynamic_boost.attr)
4188 ok = asus->nv_dyn_boost_available;
4189 else if (attr == &dev_attr_nv_temp_target.attr)
4190 ok = asus->nv_temp_tgt_available;
4191 else if (attr == &dev_attr_panel_od.attr)
4192 ok = asus->panel_overdrive_available;
4193 else if (attr == &dev_attr_mini_led_mode.attr)
4194 ok = asus->mini_led_mode_available;
4195
4196 if (devid != -1)
4197 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
4198
4199 return ok ? attr->mode : 0;
4200}
4201
4202static const struct attribute_group platform_attribute_group = {
4203 .is_visible = asus_sysfs_is_visible,
4204 .attrs = platform_attributes
4205};
4206
4207static void asus_wmi_sysfs_exit(struct platform_device *device)
4208{
4209 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
4210}
4211
4212static int asus_wmi_sysfs_init(struct platform_device *device)
4213{
4214 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
4215}
4216
4217/* Platform device ************************************************************/
4218
4219static int asus_wmi_platform_init(struct asus_wmi *asus)
4220{
4221 struct device *dev = &asus->platform_device->dev;
4222 char *wmi_uid;
4223 int rv;
4224
4225 /* INIT enable hotkeys on some models */
4226 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
4227 pr_info("Initialization: %#x\n", rv);
4228
4229 /* We don't know yet what to do with this version... */
4230 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
4231 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
4232 asus->spec = rv;
4233 }
4234
4235 /*
4236 * The SFUN method probably allows the original driver to get the list
4237 * of features supported by a given model. For now, 0x0100 or 0x0800
4238 * bit signifies that the laptop is equipped with a Wi-Fi MiniPCI card.
4239 * The significance of others is yet to be found.
4240 */
4241 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
4242 pr_info("SFUN value: %#x\n", rv);
4243 asus->sfun = rv;
4244 }
4245
4246 /*
4247 * Eee PC and Notebooks seems to have different method_id for DSTS,
4248 * but it may also be related to the BIOS's SPEC.
4249 * Note, on most Eeepc, there is no way to check if a method exist
4250 * or note, while on notebooks, they returns 0xFFFFFFFE on failure,
4251 * but once again, SPEC may probably be used for that kind of things.
4252 *
4253 * Additionally at least TUF Gaming series laptops return nothing for
4254 * unknown methods, so the detection in this way is not possible.
4255 *
4256 * There is strong indication that only ACPI WMI devices that have _UID
4257 * equal to "ASUSWMI" use DCTS whereas those with "ATK" use DSTS.
4258 */
4259 wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
4260 if (!wmi_uid)
4261 return -ENODEV;
4262
4263 if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
4264 dev_info(dev, "Detected ASUSWMI, use DCTS\n");
4265 asus->dsts_id = ASUS_WMI_METHODID_DCTS;
4266 } else {
4267 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
4268 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
4269 }
4270
4271 /* CWAP allow to define the behavior of the Fn+F2 key,
4272 * this method doesn't seems to be present on Eee PCs */
4273 if (asus->driver->quirks->wapf >= 0)
4274 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
4275 asus->driver->quirks->wapf, NULL);
4276
4277 return 0;
4278}
4279
4280/* debugfs ********************************************************************/
4281
4282struct asus_wmi_debugfs_node {
4283 struct asus_wmi *asus;
4284 char *name;
4285 int (*show) (struct seq_file *m, void *data);
4286};
4287
4288static int show_dsts(struct seq_file *m, void *data)
4289{
4290 struct asus_wmi *asus = m->private;
4291 int err;
4292 u32 retval = -1;
4293
4294 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
4295 if (err < 0)
4296 return err;
4297
4298 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
4299
4300 return 0;
4301}
4302
4303static int show_devs(struct seq_file *m, void *data)
4304{
4305 struct asus_wmi *asus = m->private;
4306 int err;
4307 u32 retval = -1;
4308
4309 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
4310 &retval);
4311 if (err < 0)
4312 return err;
4313
4314 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
4315 asus->debug.ctrl_param, retval);
4316
4317 return 0;
4318}
4319
4320static int show_call(struct seq_file *m, void *data)
4321{
4322 struct asus_wmi *asus = m->private;
4323 struct bios_args args = {
4324 .arg0 = asus->debug.dev_id,
4325 .arg1 = asus->debug.ctrl_param,
4326 };
4327 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
4328 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
4329 union acpi_object *obj;
4330 acpi_status status;
4331
4332 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
4333 0, asus->debug.method_id,
4334 &input, &output);
4335
4336 if (ACPI_FAILURE(status))
4337 return -EIO;
4338
4339 obj = (union acpi_object *)output.pointer;
4340 if (obj && obj->type == ACPI_TYPE_INTEGER)
4341 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
4342 asus->debug.dev_id, asus->debug.ctrl_param,
4343 (u32) obj->integer.value);
4344 else
4345 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
4346 asus->debug.dev_id, asus->debug.ctrl_param,
4347 obj ? obj->type : -1);
4348
4349 kfree(obj);
4350
4351 return 0;
4352}
4353
4354static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
4355 {NULL, "devs", show_devs},
4356 {NULL, "dsts", show_dsts},
4357 {NULL, "call", show_call},
4358};
4359
4360static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
4361{
4362 struct asus_wmi_debugfs_node *node = inode->i_private;
4363
4364 return single_open(file, node->show, node->asus);
4365}
4366
4367static const struct file_operations asus_wmi_debugfs_io_ops = {
4368 .owner = THIS_MODULE,
4369 .open = asus_wmi_debugfs_open,
4370 .read = seq_read,
4371 .llseek = seq_lseek,
4372 .release = single_release,
4373};
4374
4375static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
4376{
4377 debugfs_remove_recursive(asus->debug.root);
4378}
4379
4380static void asus_wmi_debugfs_init(struct asus_wmi *asus)
4381{
4382 int i;
4383
4384 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
4385
4386 debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
4387 &asus->debug.method_id);
4388
4389 debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
4390 &asus->debug.dev_id);
4391
4392 debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
4393 &asus->debug.ctrl_param);
4394
4395 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
4396 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
4397
4398 node->asus = asus;
4399 debugfs_create_file(node->name, S_IFREG | S_IRUGO,
4400 asus->debug.root, node,
4401 &asus_wmi_debugfs_io_ops);
4402 }
4403}
4404
4405/* Init / exit ****************************************************************/
4406
4407static int asus_wmi_add(struct platform_device *pdev)
4408{
4409 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
4410 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
4411 struct asus_wmi *asus;
4412 acpi_status status;
4413 int err;
4414 u32 result;
4415
4416 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
4417 if (!asus)
4418 return -ENOMEM;
4419
4420 asus->driver = wdrv;
4421 asus->platform_device = pdev;
4422 wdrv->platform_device = pdev;
4423 platform_set_drvdata(asus->platform_device, asus);
4424
4425 if (wdrv->detect_quirks)
4426 wdrv->detect_quirks(asus->driver);
4427
4428 err = asus_wmi_platform_init(asus);
4429 if (err)
4430 goto fail_platform;
4431
4432 asus->charge_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CHARGE_MODE);
4433 asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU);
4434 asus->egpu_connect_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU_CONNECTED);
4435 asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU);
4436 asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX);
4437 asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE);
4438 asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
4439 asus->ppt_pl2_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL2_SPPT);
4440 asus->ppt_pl1_spl_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL1_SPL);
4441 asus->ppt_fppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_FPPT);
4442 asus->ppt_apu_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_APU_SPPT);
4443 asus->ppt_plat_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PLAT_SPPT);
4444 asus->nv_dyn_boost_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_DYN_BOOST);
4445 asus->nv_temp_tgt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_THERM_TARGET);
4446 asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD);
4447 asus->mini_led_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE);
4448 asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE)
4449 && dmi_match(DMI_BOARD_NAME, "RC71L");
4450
4451 err = fan_boost_mode_check_present(asus);
4452 if (err)
4453 goto fail_fan_boost_mode;
4454
4455 err = throttle_thermal_policy_check_present(asus);
4456 if (err)
4457 goto fail_throttle_thermal_policy;
4458 else
4459 throttle_thermal_policy_set_default(asus);
4460
4461 err = platform_profile_setup(asus);
4462 if (err)
4463 goto fail_platform_profile_setup;
4464
4465 err = asus_wmi_sysfs_init(asus->platform_device);
4466 if (err)
4467 goto fail_sysfs;
4468
4469 err = asus_wmi_input_init(asus);
4470 if (err)
4471 goto fail_input;
4472
4473 err = asus_wmi_fan_init(asus); /* probably no problems on error */
4474
4475 err = asus_wmi_hwmon_init(asus);
4476 if (err)
4477 goto fail_hwmon;
4478
4479 err = asus_wmi_custom_fan_curve_init(asus);
4480 if (err)
4481 goto fail_custom_fan_curve;
4482
4483 err = asus_wmi_led_init(asus);
4484 if (err)
4485 goto fail_leds;
4486
4487 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
4488 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
4489 asus->driver->wlan_ctrl_by_user = 1;
4490
4491 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
4492 err = asus_wmi_rfkill_init(asus);
4493 if (err)
4494 goto fail_rfkill;
4495 }
4496
4497 if (asus->driver->quirks->wmi_force_als_set)
4498 asus_wmi_set_als();
4499
4500 if (asus->driver->quirks->xusb2pr)
4501 asus_wmi_set_xusb2pr(asus);
4502
4503 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
4504 err = asus_wmi_backlight_init(asus);
4505 if (err && err != -ENODEV)
4506 goto fail_backlight;
4507 } else if (asus->driver->quirks->wmi_backlight_set_devstate)
4508 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
4509
4510 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_SCREENPAD_LIGHT)) {
4511 err = asus_screenpad_init(asus);
4512 if (err && err != -ENODEV)
4513 goto fail_screenpad;
4514 }
4515
4516 if (asus_wmi_has_fnlock_key(asus)) {
4517 asus->fnlock_locked = fnlock_default;
4518 asus_wmi_fnlock_update(asus);
4519 }
4520
4521 status = wmi_install_notify_handler(asus->driver->event_guid,
4522 asus_wmi_notify, asus);
4523 if (ACPI_FAILURE(status)) {
4524 pr_err("Unable to register notify handler - %d\n", status);
4525 err = -ENODEV;
4526 goto fail_wmi_handler;
4527 }
4528
4529 if (asus->driver->i8042_filter) {
4530 err = i8042_install_filter(asus->driver->i8042_filter);
4531 if (err)
4532 pr_warn("Unable to install key filter - %d\n", err);
4533 }
4534
4535 asus_wmi_battery_init(asus);
4536
4537 asus_wmi_debugfs_init(asus);
4538
4539 return 0;
4540
4541fail_wmi_handler:
4542 asus_wmi_backlight_exit(asus);
4543fail_backlight:
4544 asus_wmi_rfkill_exit(asus);
4545fail_screenpad:
4546 asus_screenpad_exit(asus);
4547fail_rfkill:
4548 asus_wmi_led_exit(asus);
4549fail_leds:
4550fail_hwmon:
4551 asus_wmi_input_exit(asus);
4552fail_input:
4553 asus_wmi_sysfs_exit(asus->platform_device);
4554fail_sysfs:
4555fail_throttle_thermal_policy:
4556fail_custom_fan_curve:
4557fail_platform_profile_setup:
4558 if (asus->platform_profile_support)
4559 platform_profile_remove();
4560fail_fan_boost_mode:
4561fail_platform:
4562 kfree(asus);
4563 return err;
4564}
4565
4566static void asus_wmi_remove(struct platform_device *device)
4567{
4568 struct asus_wmi *asus;
4569
4570 asus = platform_get_drvdata(device);
4571 if (asus->driver->i8042_filter)
4572 i8042_remove_filter(asus->driver->i8042_filter);
4573 wmi_remove_notify_handler(asus->driver->event_guid);
4574 asus_wmi_backlight_exit(asus);
4575 asus_screenpad_exit(asus);
4576 asus_wmi_input_exit(asus);
4577 asus_wmi_led_exit(asus);
4578 asus_wmi_rfkill_exit(asus);
4579 asus_wmi_debugfs_exit(asus);
4580 asus_wmi_sysfs_exit(asus->platform_device);
4581 asus_fan_set_auto(asus);
4582 throttle_thermal_policy_set_default(asus);
4583 asus_wmi_battery_exit(asus);
4584
4585 if (asus->platform_profile_support)
4586 platform_profile_remove();
4587
4588 kfree(asus);
4589}
4590
4591/* Platform driver - hibernate/resume callbacks *******************************/
4592
4593static int asus_hotk_thaw(struct device *device)
4594{
4595 struct asus_wmi *asus = dev_get_drvdata(device);
4596
4597 if (asus->wlan.rfkill) {
4598 bool wlan;
4599
4600 /*
4601 * Work around bios bug - acpi _PTS turns off the wireless led
4602 * during suspend. Normally it restores it on resume, but
4603 * we should kick it ourselves in case hibernation is aborted.
4604 */
4605 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
4606 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
4607 }
4608
4609 return 0;
4610}
4611
4612static int asus_hotk_resume(struct device *device)
4613{
4614 struct asus_wmi *asus = dev_get_drvdata(device);
4615
4616 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
4617 kbd_led_update(asus);
4618
4619 if (asus_wmi_has_fnlock_key(asus))
4620 asus_wmi_fnlock_update(asus);
4621
4622 asus_wmi_tablet_mode_get_state(asus);
4623
4624 return 0;
4625}
4626
4627static int asus_hotk_resume_early(struct device *device)
4628{
4629 struct asus_wmi *asus = dev_get_drvdata(device);
4630
4631 if (asus->ally_mcu_usb_switch) {
4632 if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB8)))
4633 dev_err(device, "ROG Ally MCU failed to connect USB dev\n");
4634 else
4635 msleep(ASUS_USB0_PWR_EC0_CSEE_WAIT);
4636 }
4637 return 0;
4638}
4639
4640static int asus_hotk_prepare(struct device *device)
4641{
4642 struct asus_wmi *asus = dev_get_drvdata(device);
4643 int result, err;
4644
4645 if (asus->ally_mcu_usb_switch) {
4646 /* When powersave is enabled it causes many issues with resume of USB hub */
4647 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MCU_POWERSAVE);
4648 if (result == 1) {
4649 dev_warn(device, "MCU powersave enabled, disabling to prevent resume issues");
4650 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MCU_POWERSAVE, 0, &result);
4651 if (err || result != 1)
4652 dev_err(device, "Failed to set MCU powersave mode: %d\n", err);
4653 }
4654 /* sleep required to ensure USB0 is disabled before sleep continues */
4655 if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB7)))
4656 dev_err(device, "ROG Ally MCU failed to disconnect USB dev\n");
4657 else
4658 msleep(ASUS_USB0_PWR_EC0_CSEE_WAIT);
4659 }
4660 return 0;
4661}
4662
4663static int asus_hotk_restore(struct device *device)
4664{
4665 struct asus_wmi *asus = dev_get_drvdata(device);
4666 int bl;
4667
4668 /* Refresh both wlan rfkill state and pci hotplug */
4669 if (asus->wlan.rfkill)
4670 asus_rfkill_hotplug(asus);
4671
4672 if (asus->bluetooth.rfkill) {
4673 bl = !asus_wmi_get_devstate_simple(asus,
4674 ASUS_WMI_DEVID_BLUETOOTH);
4675 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
4676 }
4677 if (asus->wimax.rfkill) {
4678 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
4679 rfkill_set_sw_state(asus->wimax.rfkill, bl);
4680 }
4681 if (asus->wwan3g.rfkill) {
4682 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
4683 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
4684 }
4685 if (asus->gps.rfkill) {
4686 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
4687 rfkill_set_sw_state(asus->gps.rfkill, bl);
4688 }
4689 if (asus->uwb.rfkill) {
4690 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
4691 rfkill_set_sw_state(asus->uwb.rfkill, bl);
4692 }
4693 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
4694 kbd_led_update(asus);
4695
4696 if (asus_wmi_has_fnlock_key(asus))
4697 asus_wmi_fnlock_update(asus);
4698
4699 asus_wmi_tablet_mode_get_state(asus);
4700 return 0;
4701}
4702
4703static const struct dev_pm_ops asus_pm_ops = {
4704 .thaw = asus_hotk_thaw,
4705 .restore = asus_hotk_restore,
4706 .resume = asus_hotk_resume,
4707 .resume_early = asus_hotk_resume_early,
4708 .prepare = asus_hotk_prepare,
4709};
4710
4711/* Registration ***************************************************************/
4712
4713static int asus_wmi_probe(struct platform_device *pdev)
4714{
4715 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
4716 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
4717 int ret;
4718
4719 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
4720 pr_warn("ASUS Management GUID not found\n");
4721 return -ENODEV;
4722 }
4723
4724 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
4725 pr_warn("ASUS Event GUID not found\n");
4726 return -ENODEV;
4727 }
4728
4729 if (wdrv->probe) {
4730 ret = wdrv->probe(pdev);
4731 if (ret)
4732 return ret;
4733 }
4734
4735 return asus_wmi_add(pdev);
4736}
4737
4738static bool used;
4739
4740int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
4741{
4742 struct platform_driver *platform_driver;
4743 struct platform_device *platform_device;
4744
4745 if (used)
4746 return -EBUSY;
4747
4748 platform_driver = &driver->platform_driver;
4749 platform_driver->remove_new = asus_wmi_remove;
4750 platform_driver->driver.owner = driver->owner;
4751 platform_driver->driver.name = driver->name;
4752 platform_driver->driver.pm = &asus_pm_ops;
4753
4754 platform_device = platform_create_bundle(platform_driver,
4755 asus_wmi_probe,
4756 NULL, 0, NULL, 0);
4757 if (IS_ERR(platform_device))
4758 return PTR_ERR(platform_device);
4759
4760 used = true;
4761 return 0;
4762}
4763EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
4764
4765void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
4766{
4767 platform_device_unregister(driver->platform_device);
4768 platform_driver_unregister(&driver->platform_driver);
4769 used = false;
4770}
4771EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
4772
4773static int __init asus_wmi_init(void)
4774{
4775 pr_info("ASUS WMI generic driver loaded\n");
4776 return 0;
4777}
4778
4779static void __exit asus_wmi_exit(void)
4780{
4781 pr_info("ASUS WMI generic driver unloaded\n");
4782}
4783
4784module_init(asus_wmi_init);
4785module_exit(asus_wmi_exit);