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13
14#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
15
16#include <linux/kernel.h>
17#include <linux/module.h>
18#include <linux/init.h>
19#include <linux/types.h>
20#include <linux/slab.h>
21#include <linux/input.h>
22#include <linux/input/sparse-keymap.h>
23#include <linux/fb.h>
24#include <linux/backlight.h>
25#include <linux/leds.h>
26#include <linux/rfkill.h>
27#include <linux/pci.h>
28#include <linux/pci_hotplug.h>
29#include <linux/platform_profile.h>
30#include <linux/power_supply.h>
31#include <linux/hwmon.h>
32#include <linux/hwmon-sysfs.h>
33#include <linux/debugfs.h>
34#include <linux/seq_file.h>
35#include <linux/platform_data/x86/asus-wmi.h>
36#include <linux/platform_device.h>
37#include <linux/acpi.h>
38#include <linux/dmi.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>, "
47 "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
72#define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
73
74#define ASUS_FAN_DESC "cpu_fan"
75#define ASUS_FAN_MFUN 0x13
76#define ASUS_FAN_SFUN_READ 0x06
77#define ASUS_FAN_SFUN_WRITE 0x07
78
79
80#define ASUS_FAN_CTRL_FULLSPEED 0
81#define ASUS_FAN_CTRL_MANUAL 1
82#define ASUS_FAN_CTRL_AUTO 2
83
84#define ASUS_FAN_BOOST_MODE_NORMAL 0
85#define ASUS_FAN_BOOST_MODE_OVERBOOST 1
86#define ASUS_FAN_BOOST_MODE_OVERBOOST_MASK 0x01
87#define ASUS_FAN_BOOST_MODE_SILENT 2
88#define ASUS_FAN_BOOST_MODE_SILENT_MASK 0x02
89#define ASUS_FAN_BOOST_MODES_MASK 0x03
90
91#define ASUS_THROTTLE_THERMAL_POLICY_DEFAULT 0
92#define ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST 1
93#define ASUS_THROTTLE_THERMAL_POLICY_SILENT 2
94
95#define USB_INTEL_XUSB2PR 0xD0
96#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
97
98#define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
99#define ASUS_ACPI_UID_ATK "ATK"
100
101#define WMI_EVENT_QUEUE_SIZE 0x10
102#define WMI_EVENT_QUEUE_END 0x1
103#define WMI_EVENT_MASK 0xFFFF
104
105#define WMI_EVENT_VALUE_ATK 0xFF
106
107#define WMI_EVENT_MASK 0xFFFF
108
109static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
110
111static bool ashs_present(void)
112{
113 int i = 0;
114 while (ashs_ids[i]) {
115 if (acpi_dev_found(ashs_ids[i++]))
116 return true;
117 }
118 return false;
119}
120
121struct bios_args {
122 u32 arg0;
123 u32 arg1;
124 u32 arg2;
125 u32 arg4;
126 u32 arg5;
127} __packed;
128
129
130
131
132
133struct agfn_args {
134 u16 mfun;
135 u16 sfun;
136 u16 len;
137 u8 stas;
138 u8 err;
139} __packed;
140
141
142struct agfn_fan_args {
143 struct agfn_args agfn;
144 u8 fan;
145 u32 speed;
146} __packed;
147
148
149
150
151
152
153
154
155
156
157struct asus_wmi_debug {
158 struct dentry *root;
159 u32 method_id;
160 u32 dev_id;
161 u32 ctrl_param;
162};
163
164struct asus_rfkill {
165 struct asus_wmi *asus;
166 struct rfkill *rfkill;
167 u32 dev_id;
168};
169
170enum fan_type {
171 FAN_TYPE_NONE = 0,
172 FAN_TYPE_AGFN,
173 FAN_TYPE_SPEC83,
174};
175
176struct asus_wmi {
177 int dsts_id;
178 int spec;
179 int sfun;
180 bool wmi_event_queue;
181
182 struct input_dev *inputdev;
183 struct backlight_device *backlight_device;
184 struct platform_device *platform_device;
185
186 struct led_classdev wlan_led;
187 int wlan_led_wk;
188 struct led_classdev tpd_led;
189 int tpd_led_wk;
190 struct led_classdev kbd_led;
191 int kbd_led_wk;
192 struct led_classdev lightbar_led;
193 int lightbar_led_wk;
194 struct workqueue_struct *led_workqueue;
195 struct work_struct tpd_led_work;
196 struct work_struct wlan_led_work;
197 struct work_struct lightbar_led_work;
198
199 struct asus_rfkill wlan;
200 struct asus_rfkill bluetooth;
201 struct asus_rfkill wimax;
202 struct asus_rfkill wwan3g;
203 struct asus_rfkill gps;
204 struct asus_rfkill uwb;
205
206 enum fan_type fan_type;
207 int fan_pwm_mode;
208 int agfn_pwm;
209
210 bool fan_boost_mode_available;
211 u8 fan_boost_mode_mask;
212 u8 fan_boost_mode;
213
214 bool egpu_enable_available;
215 bool egpu_enable;
216
217 bool dgpu_disable_available;
218 bool dgpu_disable;
219
220 bool throttle_thermal_policy_available;
221 u8 throttle_thermal_policy_mode;
222
223 struct platform_profile_handler platform_profile_handler;
224 bool platform_profile_support;
225
226
227 bool battery_rsoc_available;
228
229 bool panel_overdrive_available;
230 bool panel_overdrive;
231
232 struct hotplug_slot hotplug_slot;
233 struct mutex hotplug_lock;
234 struct mutex wmi_lock;
235 struct workqueue_struct *hotplug_workqueue;
236 struct work_struct hotplug_work;
237
238 bool fnlock_locked;
239
240 struct asus_wmi_debug debug;
241
242 struct asus_wmi_driver *driver;
243};
244
245
246
247static int asus_wmi_evaluate_method3(u32 method_id,
248 u32 arg0, u32 arg1, u32 arg2, u32 *retval)
249{
250 struct bios_args args = {
251 .arg0 = arg0,
252 .arg1 = arg1,
253 .arg2 = arg2,
254 };
255 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
256 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
257 acpi_status status;
258 union acpi_object *obj;
259 u32 tmp = 0;
260
261 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
262 &input, &output);
263
264 if (ACPI_FAILURE(status))
265 return -EIO;
266
267 obj = (union acpi_object *)output.pointer;
268 if (obj && obj->type == ACPI_TYPE_INTEGER)
269 tmp = (u32) obj->integer.value;
270
271 if (retval)
272 *retval = tmp;
273
274 kfree(obj);
275
276 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
277 return -ENODEV;
278
279 return 0;
280}
281
282int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
283{
284 return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
285}
286EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
287
288static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
289{
290 struct acpi_buffer input;
291 u64 phys_addr;
292 u32 retval;
293 u32 status;
294
295
296
297
298
299 input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL);
300 input.length = args.length;
301 if (!input.pointer)
302 return -ENOMEM;
303 phys_addr = virt_to_phys(input.pointer);
304
305 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
306 phys_addr, 0, &retval);
307 if (!status)
308 memcpy(args.pointer, input.pointer, args.length);
309
310 kfree(input.pointer);
311 if (status)
312 return -ENXIO;
313
314 return retval;
315}
316
317static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
318{
319 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
320}
321
322static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
323 u32 *retval)
324{
325 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
326 ctrl_param, retval);
327}
328
329
330static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
331 u32 dev_id, u32 mask)
332{
333 u32 retval = 0;
334 int err;
335
336 err = asus_wmi_get_devstate(asus, dev_id, &retval);
337 if (err < 0)
338 return err;
339
340 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
341 return -ENODEV;
342
343 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
344 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
345 return -ENODEV;
346 }
347
348 return retval & mask;
349}
350
351static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
352{
353 return asus_wmi_get_devstate_bits(asus, dev_id,
354 ASUS_WMI_DSTS_STATUS_BIT);
355}
356
357static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
358{
359 u32 retval;
360 int status = asus_wmi_get_devstate(asus, dev_id, &retval);
361
362 return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
363}
364
365
366
367static int asus_wmi_input_init(struct asus_wmi *asus)
368{
369 int err, result;
370
371 asus->inputdev = input_allocate_device();
372 if (!asus->inputdev)
373 return -ENOMEM;
374
375 asus->inputdev->name = asus->driver->input_name;
376 asus->inputdev->phys = asus->driver->input_phys;
377 asus->inputdev->id.bustype = BUS_HOST;
378 asus->inputdev->dev.parent = &asus->platform_device->dev;
379 set_bit(EV_REP, asus->inputdev->evbit);
380
381 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
382 if (err)
383 goto err_free_dev;
384
385 if (asus->driver->quirks->use_kbd_dock_devid) {
386 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_KBD_DOCK);
387 if (result >= 0) {
388 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
389 input_report_switch(asus->inputdev, SW_TABLET_MODE, !result);
390 } else if (result != -ENODEV) {
391 pr_err("Error checking for keyboard-dock: %d\n", result);
392 }
393 }
394
395 if (asus->driver->quirks->use_lid_flip_devid) {
396 result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_LID_FLIP);
397 if (result < 0)
398 asus->driver->quirks->use_lid_flip_devid = 0;
399 if (result >= 0) {
400 input_set_capability(asus->inputdev, EV_SW, SW_TABLET_MODE);
401 input_report_switch(asus->inputdev, SW_TABLET_MODE, result);
402 } else if (result == -ENODEV) {
403 pr_err("This device has lid_flip quirk but got ENODEV checking it. This is a bug.");
404 } else {
405 pr_err("Error checking for lid-flip: %d\n", result);
406 }
407 }
408
409 err = input_register_device(asus->inputdev);
410 if (err)
411 goto err_free_dev;
412
413 return 0;
414
415err_free_dev:
416 input_free_device(asus->inputdev);
417 return err;
418}
419
420static void asus_wmi_input_exit(struct asus_wmi *asus)
421{
422 if (asus->inputdev)
423 input_unregister_device(asus->inputdev);
424
425 asus->inputdev = NULL;
426}
427
428
429
430static void lid_flip_tablet_mode_get_state(struct asus_wmi *asus)
431{
432 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_LID_FLIP);
433
434 if (result >= 0) {
435 input_report_switch(asus->inputdev, SW_TABLET_MODE, result);
436 input_sync(asus->inputdev);
437 }
438}
439
440
441static int dgpu_disable_check_present(struct asus_wmi *asus)
442{
443 u32 result;
444 int err;
445
446 asus->dgpu_disable_available = false;
447
448 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_DGPU, &result);
449 if (err) {
450 if (err == -ENODEV)
451 return 0;
452 return err;
453 }
454
455 if (result & ASUS_WMI_DSTS_PRESENCE_BIT) {
456 asus->dgpu_disable_available = true;
457 asus->dgpu_disable = result & ASUS_WMI_DSTS_STATUS_BIT;
458 }
459
460 return 0;
461}
462
463static int dgpu_disable_write(struct asus_wmi *asus)
464{
465 u32 retval;
466 u8 value;
467 int err;
468
469
470 value = asus->dgpu_disable ? 1 : 0;
471
472 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_DGPU, value, &retval);
473 if (err) {
474 pr_warn("Failed to set dgpu disable: %d\n", err);
475 return err;
476 }
477
478 if (retval > 1) {
479 pr_warn("Failed to set dgpu disable (retval): 0x%x\n", retval);
480 return -EIO;
481 }
482
483 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "dgpu_disable");
484
485 return 0;
486}
487
488static ssize_t dgpu_disable_show(struct device *dev,
489 struct device_attribute *attr, char *buf)
490{
491 struct asus_wmi *asus = dev_get_drvdata(dev);
492 u8 mode = asus->dgpu_disable;
493
494 return sysfs_emit(buf, "%d\n", mode);
495}
496
497
498
499
500
501
502
503static ssize_t dgpu_disable_store(struct device *dev,
504 struct device_attribute *attr,
505 const char *buf, size_t count)
506{
507 bool disable;
508 int result;
509
510 struct asus_wmi *asus = dev_get_drvdata(dev);
511
512 result = kstrtobool(buf, &disable);
513 if (result)
514 return result;
515
516 asus->dgpu_disable = disable;
517
518 result = dgpu_disable_write(asus);
519 if (result)
520 return result;
521
522 return count;
523}
524
525static DEVICE_ATTR_RW(dgpu_disable);
526
527
528static int egpu_enable_check_present(struct asus_wmi *asus)
529{
530 u32 result;
531 int err;
532
533 asus->egpu_enable_available = false;
534
535 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_EGPU, &result);
536 if (err) {
537 if (err == -ENODEV)
538 return 0;
539 return err;
540 }
541
542 if (result & ASUS_WMI_DSTS_PRESENCE_BIT) {
543 asus->egpu_enable_available = true;
544 asus->egpu_enable = result & ASUS_WMI_DSTS_STATUS_BIT;
545 }
546
547 return 0;
548}
549
550static int egpu_enable_write(struct asus_wmi *asus)
551{
552 u32 retval;
553 u8 value;
554 int err;
555
556
557 value = asus->egpu_enable ? 1 : 0;
558
559 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_EGPU, value, &retval);
560
561 if (err) {
562 pr_warn("Failed to set egpu disable: %d\n", err);
563 return err;
564 }
565
566 if (retval > 1) {
567 pr_warn("Failed to set egpu disable (retval): 0x%x\n", retval);
568 return -EIO;
569 }
570
571 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "egpu_enable");
572
573 return 0;
574}
575
576static ssize_t egpu_enable_show(struct device *dev,
577 struct device_attribute *attr, char *buf)
578{
579 struct asus_wmi *asus = dev_get_drvdata(dev);
580 bool mode = asus->egpu_enable;
581
582 return sysfs_emit(buf, "%d\n", mode);
583}
584
585
586static ssize_t egpu_enable_store(struct device *dev,
587 struct device_attribute *attr,
588 const char *buf, size_t count)
589{
590 bool enable;
591 int result;
592
593 struct asus_wmi *asus = dev_get_drvdata(dev);
594
595 result = kstrtobool(buf, &enable);
596 if (result)
597 return result;
598
599 asus->egpu_enable = enable;
600
601 result = egpu_enable_write(asus);
602 if (result)
603 return result;
604
605
606 result = dgpu_disable_check_present(asus);
607 if (result)
608 return result;
609
610 return count;
611}
612
613static DEVICE_ATTR_RW(egpu_enable);
614
615
616
617
618static int charge_end_threshold;
619
620static ssize_t charge_control_end_threshold_store(struct device *dev,
621 struct device_attribute *attr,
622 const char *buf, size_t count)
623{
624 int value, ret, rv;
625
626 ret = kstrtouint(buf, 10, &value);
627 if (ret)
628 return ret;
629
630 if (value < 0 || value > 100)
631 return -EINVAL;
632
633 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv);
634 if (ret)
635 return ret;
636
637 if (rv != 1)
638 return -EIO;
639
640
641
642
643 charge_end_threshold = value;
644 return count;
645}
646
647static ssize_t charge_control_end_threshold_show(struct device *device,
648 struct device_attribute *attr,
649 char *buf)
650{
651 return sprintf(buf, "%d\n", charge_end_threshold);
652}
653
654static DEVICE_ATTR_RW(charge_control_end_threshold);
655
656static int asus_wmi_battery_add(struct power_supply *battery)
657{
658
659
660
661
662
663 if (strcmp(battery->desc->name, "BAT0") != 0 &&
664 strcmp(battery->desc->name, "BAT1") != 0 &&
665 strcmp(battery->desc->name, "BATC") != 0 &&
666 strcmp(battery->desc->name, "BATT") != 0)
667 return -ENODEV;
668
669 if (device_create_file(&battery->dev,
670 &dev_attr_charge_control_end_threshold))
671 return -ENODEV;
672
673
674
675
676
677 asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL);
678 charge_end_threshold = 100;
679
680 return 0;
681}
682
683static int asus_wmi_battery_remove(struct power_supply *battery)
684{
685 device_remove_file(&battery->dev,
686 &dev_attr_charge_control_end_threshold);
687 return 0;
688}
689
690static struct acpi_battery_hook battery_hook = {
691 .add_battery = asus_wmi_battery_add,
692 .remove_battery = asus_wmi_battery_remove,
693 .name = "ASUS Battery Extension",
694};
695
696static void asus_wmi_battery_init(struct asus_wmi *asus)
697{
698 asus->battery_rsoc_available = false;
699 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
700 asus->battery_rsoc_available = true;
701 battery_hook_register(&battery_hook);
702 }
703}
704
705static void asus_wmi_battery_exit(struct asus_wmi *asus)
706{
707 if (asus->battery_rsoc_available)
708 battery_hook_unregister(&battery_hook);
709}
710
711
712
713
714
715
716
717
718
719static void tpd_led_update(struct work_struct *work)
720{
721 int ctrl_param;
722 struct asus_wmi *asus;
723
724 asus = container_of(work, struct asus_wmi, tpd_led_work);
725
726 ctrl_param = asus->tpd_led_wk;
727 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
728}
729
730static void tpd_led_set(struct led_classdev *led_cdev,
731 enum led_brightness value)
732{
733 struct asus_wmi *asus;
734
735 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
736
737 asus->tpd_led_wk = !!value;
738 queue_work(asus->led_workqueue, &asus->tpd_led_work);
739}
740
741static int read_tpd_led_state(struct asus_wmi *asus)
742{
743 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
744}
745
746static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
747{
748 struct asus_wmi *asus;
749
750 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
751
752 return read_tpd_led_state(asus);
753}
754
755static void kbd_led_update(struct asus_wmi *asus)
756{
757 int ctrl_param = 0;
758
759 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
760 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
761}
762
763static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
764{
765 int retval;
766
767
768
769
770
771
772
773 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
774 0xFFFF);
775
776
777 if (retval == 0x8000)
778 retval = 0;
779
780 if (retval < 0)
781 return retval;
782
783 if (level)
784 *level = retval & 0x7F;
785 if (env)
786 *env = (retval >> 8) & 0x7F;
787 return 0;
788}
789
790static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
791{
792 struct asus_wmi *asus;
793 int max_level;
794
795 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
796 max_level = asus->kbd_led.max_brightness;
797
798 asus->kbd_led_wk = clamp_val(value, 0, max_level);
799 kbd_led_update(asus);
800}
801
802static void kbd_led_set(struct led_classdev *led_cdev,
803 enum led_brightness value)
804{
805
806 if (led_cdev->flags & LED_UNREGISTERING)
807 return;
808
809 do_kbd_led_set(led_cdev, value);
810}
811
812static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value)
813{
814 struct led_classdev *led_cdev = &asus->kbd_led;
815
816 do_kbd_led_set(led_cdev, value);
817 led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk);
818}
819
820static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
821{
822 struct asus_wmi *asus;
823 int retval, value;
824
825 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
826
827 retval = kbd_led_read(asus, &value, NULL);
828 if (retval < 0)
829 return retval;
830
831 return value;
832}
833
834static int wlan_led_unknown_state(struct asus_wmi *asus)
835{
836 u32 result;
837
838 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
839
840 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
841}
842
843static void wlan_led_update(struct work_struct *work)
844{
845 int ctrl_param;
846 struct asus_wmi *asus;
847
848 asus = container_of(work, struct asus_wmi, wlan_led_work);
849
850 ctrl_param = asus->wlan_led_wk;
851 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
852}
853
854static void wlan_led_set(struct led_classdev *led_cdev,
855 enum led_brightness value)
856{
857 struct asus_wmi *asus;
858
859 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
860
861 asus->wlan_led_wk = !!value;
862 queue_work(asus->led_workqueue, &asus->wlan_led_work);
863}
864
865static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
866{
867 struct asus_wmi *asus;
868 u32 result;
869
870 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
871 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
872
873 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
874}
875
876static void lightbar_led_update(struct work_struct *work)
877{
878 struct asus_wmi *asus;
879 int ctrl_param;
880
881 asus = container_of(work, struct asus_wmi, lightbar_led_work);
882
883 ctrl_param = asus->lightbar_led_wk;
884 asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL);
885}
886
887static void lightbar_led_set(struct led_classdev *led_cdev,
888 enum led_brightness value)
889{
890 struct asus_wmi *asus;
891
892 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
893
894 asus->lightbar_led_wk = !!value;
895 queue_work(asus->led_workqueue, &asus->lightbar_led_work);
896}
897
898static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
899{
900 struct asus_wmi *asus;
901 u32 result;
902
903 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
904 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
905
906 return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
907}
908
909static void asus_wmi_led_exit(struct asus_wmi *asus)
910{
911 led_classdev_unregister(&asus->kbd_led);
912 led_classdev_unregister(&asus->tpd_led);
913 led_classdev_unregister(&asus->wlan_led);
914 led_classdev_unregister(&asus->lightbar_led);
915
916 if (asus->led_workqueue)
917 destroy_workqueue(asus->led_workqueue);
918}
919
920static int asus_wmi_led_init(struct asus_wmi *asus)
921{
922 int rv = 0, led_val;
923
924 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
925 if (!asus->led_workqueue)
926 return -ENOMEM;
927
928 if (read_tpd_led_state(asus) >= 0) {
929 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
930
931 asus->tpd_led.name = "asus::touchpad";
932 asus->tpd_led.brightness_set = tpd_led_set;
933 asus->tpd_led.brightness_get = tpd_led_get;
934 asus->tpd_led.max_brightness = 1;
935
936 rv = led_classdev_register(&asus->platform_device->dev,
937 &asus->tpd_led);
938 if (rv)
939 goto error;
940 }
941
942 if (!kbd_led_read(asus, &led_val, NULL)) {
943 asus->kbd_led_wk = led_val;
944 asus->kbd_led.name = "asus::kbd_backlight";
945 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
946 asus->kbd_led.brightness_set = kbd_led_set;
947 asus->kbd_led.brightness_get = kbd_led_get;
948 asus->kbd_led.max_brightness = 3;
949
950 rv = led_classdev_register(&asus->platform_device->dev,
951 &asus->kbd_led);
952 if (rv)
953 goto error;
954 }
955
956 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
957 && (asus->driver->quirks->wapf > 0)) {
958 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
959
960 asus->wlan_led.name = "asus::wlan";
961 asus->wlan_led.brightness_set = wlan_led_set;
962 if (!wlan_led_unknown_state(asus))
963 asus->wlan_led.brightness_get = wlan_led_get;
964 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
965 asus->wlan_led.max_brightness = 1;
966 asus->wlan_led.default_trigger = "asus-wlan";
967
968 rv = led_classdev_register(&asus->platform_device->dev,
969 &asus->wlan_led);
970 if (rv)
971 goto error;
972 }
973
974 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
975 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
976
977 asus->lightbar_led.name = "asus::lightbar";
978 asus->lightbar_led.brightness_set = lightbar_led_set;
979 asus->lightbar_led.brightness_get = lightbar_led_get;
980 asus->lightbar_led.max_brightness = 1;
981
982 rv = led_classdev_register(&asus->platform_device->dev,
983 &asus->lightbar_led);
984 }
985
986error:
987 if (rv)
988 asus_wmi_led_exit(asus);
989
990 return rv;
991}
992
993
994
995
996
997
998static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
999{
1000 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1001
1002 if (result < 0)
1003 return false;
1004 return !result;
1005}
1006
1007static void asus_rfkill_hotplug(struct asus_wmi *asus)
1008{
1009 struct pci_dev *dev;
1010 struct pci_bus *bus;
1011 bool blocked;
1012 bool absent;
1013 u32 l;
1014
1015 mutex_lock(&asus->wmi_lock);
1016 blocked = asus_wlan_rfkill_blocked(asus);
1017 mutex_unlock(&asus->wmi_lock);
1018
1019 mutex_lock(&asus->hotplug_lock);
1020 pci_lock_rescan_remove();
1021
1022 if (asus->wlan.rfkill)
1023 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
1024
1025 if (asus->hotplug_slot.ops) {
1026 bus = pci_find_bus(0, 1);
1027 if (!bus) {
1028 pr_warn("Unable to find PCI bus 1?\n");
1029 goto out_unlock;
1030 }
1031
1032 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
1033 pr_err("Unable to read PCI config space?\n");
1034 goto out_unlock;
1035 }
1036 absent = (l == 0xffffffff);
1037
1038 if (blocked != absent) {
1039 pr_warn("BIOS says wireless lan is %s, "
1040 "but the pci device is %s\n",
1041 blocked ? "blocked" : "unblocked",
1042 absent ? "absent" : "present");
1043 pr_warn("skipped wireless hotplug as probably "
1044 "inappropriate for this model\n");
1045 goto out_unlock;
1046 }
1047
1048 if (!blocked) {
1049 dev = pci_get_slot(bus, 0);
1050 if (dev) {
1051
1052 pci_dev_put(dev);
1053 goto out_unlock;
1054 }
1055 dev = pci_scan_single_device(bus, 0);
1056 if (dev) {
1057 pci_bus_assign_resources(bus);
1058 pci_bus_add_device(dev);
1059 }
1060 } else {
1061 dev = pci_get_slot(bus, 0);
1062 if (dev) {
1063 pci_stop_and_remove_bus_device(dev);
1064 pci_dev_put(dev);
1065 }
1066 }
1067 }
1068
1069out_unlock:
1070 pci_unlock_rescan_remove();
1071 mutex_unlock(&asus->hotplug_lock);
1072}
1073
1074static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
1075{
1076 struct asus_wmi *asus = data;
1077
1078 if (event != ACPI_NOTIFY_BUS_CHECK)
1079 return;
1080
1081
1082
1083
1084
1085
1086
1087
1088 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
1089}
1090
1091static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
1092{
1093 acpi_status status;
1094 acpi_handle handle;
1095
1096 status = acpi_get_handle(NULL, node, &handle);
1097 if (ACPI_FAILURE(status))
1098 return -ENODEV;
1099
1100 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1101 asus_rfkill_notify, asus);
1102 if (ACPI_FAILURE(status))
1103 pr_warn("Failed to register notify on %s\n", node);
1104
1105 return 0;
1106}
1107
1108static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
1109{
1110 acpi_status status = AE_OK;
1111 acpi_handle handle;
1112
1113 status = acpi_get_handle(NULL, node, &handle);
1114 if (ACPI_FAILURE(status))
1115 return;
1116
1117 status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
1118 asus_rfkill_notify);
1119 if (ACPI_FAILURE(status))
1120 pr_err("Error removing rfkill notify handler %s\n", node);
1121}
1122
1123static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
1124 u8 *value)
1125{
1126 struct asus_wmi *asus = container_of(hotplug_slot,
1127 struct asus_wmi, hotplug_slot);
1128 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
1129
1130 if (result < 0)
1131 return result;
1132
1133 *value = !!result;
1134 return 0;
1135}
1136
1137static const struct hotplug_slot_ops asus_hotplug_slot_ops = {
1138 .get_adapter_status = asus_get_adapter_status,
1139 .get_power_status = asus_get_adapter_status,
1140};
1141
1142static void asus_hotplug_work(struct work_struct *work)
1143{
1144 struct asus_wmi *asus;
1145
1146 asus = container_of(work, struct asus_wmi, hotplug_work);
1147 asus_rfkill_hotplug(asus);
1148}
1149
1150static int asus_setup_pci_hotplug(struct asus_wmi *asus)
1151{
1152 int ret = -ENOMEM;
1153 struct pci_bus *bus = pci_find_bus(0, 1);
1154
1155 if (!bus) {
1156 pr_err("Unable to find wifi PCI bus\n");
1157 return -ENODEV;
1158 }
1159
1160 asus->hotplug_workqueue =
1161 create_singlethread_workqueue("hotplug_workqueue");
1162 if (!asus->hotplug_workqueue)
1163 goto error_workqueue;
1164
1165 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
1166
1167 asus->hotplug_slot.ops = &asus_hotplug_slot_ops;
1168
1169 ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi");
1170 if (ret) {
1171 pr_err("Unable to register hotplug slot - %d\n", ret);
1172 goto error_register;
1173 }
1174
1175 return 0;
1176
1177error_register:
1178 asus->hotplug_slot.ops = NULL;
1179 destroy_workqueue(asus->hotplug_workqueue);
1180error_workqueue:
1181 return ret;
1182}
1183
1184
1185
1186
1187static int asus_rfkill_set(void *data, bool blocked)
1188{
1189 struct asus_rfkill *priv = data;
1190 u32 ctrl_param = !blocked;
1191 u32 dev_id = priv->dev_id;
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1202 priv->asus->driver->wlan_ctrl_by_user)
1203 dev_id = ASUS_WMI_DEVID_WLAN_LED;
1204
1205 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
1206}
1207
1208static void asus_rfkill_query(struct rfkill *rfkill, void *data)
1209{
1210 struct asus_rfkill *priv = data;
1211 int result;
1212
1213 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
1214
1215 if (result < 0)
1216 return;
1217
1218 rfkill_set_sw_state(priv->rfkill, !result);
1219}
1220
1221static int asus_rfkill_wlan_set(void *data, bool blocked)
1222{
1223 struct asus_rfkill *priv = data;
1224 struct asus_wmi *asus = priv->asus;
1225 int ret;
1226
1227
1228
1229
1230
1231
1232
1233
1234 mutex_lock(&asus->wmi_lock);
1235 ret = asus_rfkill_set(data, blocked);
1236 mutex_unlock(&asus->wmi_lock);
1237 return ret;
1238}
1239
1240static const struct rfkill_ops asus_rfkill_wlan_ops = {
1241 .set_block = asus_rfkill_wlan_set,
1242 .query = asus_rfkill_query,
1243};
1244
1245static const struct rfkill_ops asus_rfkill_ops = {
1246 .set_block = asus_rfkill_set,
1247 .query = asus_rfkill_query,
1248};
1249
1250static int asus_new_rfkill(struct asus_wmi *asus,
1251 struct asus_rfkill *arfkill,
1252 const char *name, enum rfkill_type type, int dev_id)
1253{
1254 int result = asus_wmi_get_devstate_simple(asus, dev_id);
1255 struct rfkill **rfkill = &arfkill->rfkill;
1256
1257 if (result < 0)
1258 return result;
1259
1260 arfkill->dev_id = dev_id;
1261 arfkill->asus = asus;
1262
1263 if (dev_id == ASUS_WMI_DEVID_WLAN &&
1264 asus->driver->quirks->hotplug_wireless)
1265 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1266 &asus_rfkill_wlan_ops, arfkill);
1267 else
1268 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1269 &asus_rfkill_ops, arfkill);
1270
1271 if (!*rfkill)
1272 return -EINVAL;
1273
1274 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1275 (asus->driver->quirks->wapf > 0))
1276 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
1277
1278 rfkill_init_sw_state(*rfkill, !result);
1279 result = rfkill_register(*rfkill);
1280 if (result) {
1281 rfkill_destroy(*rfkill);
1282 *rfkill = NULL;
1283 return result;
1284 }
1285 return 0;
1286}
1287
1288static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
1289{
1290 if (asus->driver->wlan_ctrl_by_user && ashs_present())
1291 return;
1292
1293 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1294 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1295 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1296 if (asus->wlan.rfkill) {
1297 rfkill_unregister(asus->wlan.rfkill);
1298 rfkill_destroy(asus->wlan.rfkill);
1299 asus->wlan.rfkill = NULL;
1300 }
1301
1302
1303
1304
1305 asus_rfkill_hotplug(asus);
1306 if (asus->hotplug_slot.ops)
1307 pci_hp_deregister(&asus->hotplug_slot);
1308 if (asus->hotplug_workqueue)
1309 destroy_workqueue(asus->hotplug_workqueue);
1310
1311 if (asus->bluetooth.rfkill) {
1312 rfkill_unregister(asus->bluetooth.rfkill);
1313 rfkill_destroy(asus->bluetooth.rfkill);
1314 asus->bluetooth.rfkill = NULL;
1315 }
1316 if (asus->wimax.rfkill) {
1317 rfkill_unregister(asus->wimax.rfkill);
1318 rfkill_destroy(asus->wimax.rfkill);
1319 asus->wimax.rfkill = NULL;
1320 }
1321 if (asus->wwan3g.rfkill) {
1322 rfkill_unregister(asus->wwan3g.rfkill);
1323 rfkill_destroy(asus->wwan3g.rfkill);
1324 asus->wwan3g.rfkill = NULL;
1325 }
1326 if (asus->gps.rfkill) {
1327 rfkill_unregister(asus->gps.rfkill);
1328 rfkill_destroy(asus->gps.rfkill);
1329 asus->gps.rfkill = NULL;
1330 }
1331 if (asus->uwb.rfkill) {
1332 rfkill_unregister(asus->uwb.rfkill);
1333 rfkill_destroy(asus->uwb.rfkill);
1334 asus->uwb.rfkill = NULL;
1335 }
1336}
1337
1338static int asus_wmi_rfkill_init(struct asus_wmi *asus)
1339{
1340 int result = 0;
1341
1342 mutex_init(&asus->hotplug_lock);
1343 mutex_init(&asus->wmi_lock);
1344
1345 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1346 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
1347
1348 if (result && result != -ENODEV)
1349 goto exit;
1350
1351 result = asus_new_rfkill(asus, &asus->bluetooth,
1352 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1353 ASUS_WMI_DEVID_BLUETOOTH);
1354
1355 if (result && result != -ENODEV)
1356 goto exit;
1357
1358 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
1359 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
1360
1361 if (result && result != -ENODEV)
1362 goto exit;
1363
1364 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
1365 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
1366
1367 if (result && result != -ENODEV)
1368 goto exit;
1369
1370 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
1371 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
1372
1373 if (result && result != -ENODEV)
1374 goto exit;
1375
1376 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
1377 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
1378
1379 if (result && result != -ENODEV)
1380 goto exit;
1381
1382 if (!asus->driver->quirks->hotplug_wireless)
1383 goto exit;
1384
1385 result = asus_setup_pci_hotplug(asus);
1386
1387
1388
1389
1390 if (result == -EBUSY)
1391 result = 0;
1392
1393 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1394 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1395 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1396
1397
1398
1399
1400 asus_rfkill_hotplug(asus);
1401
1402exit:
1403 if (result && result != -ENODEV)
1404 asus_wmi_rfkill_exit(asus);
1405
1406 if (result == -ENODEV)
1407 result = 0;
1408
1409 return result;
1410}
1411
1412
1413static int panel_od_check_present(struct asus_wmi *asus)
1414{
1415 u32 result;
1416 int err;
1417
1418 asus->panel_overdrive_available = false;
1419
1420 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_PANEL_OD, &result);
1421 if (err) {
1422 if (err == -ENODEV)
1423 return 0;
1424 return err;
1425 }
1426
1427 if (result & ASUS_WMI_DSTS_PRESENCE_BIT) {
1428 asus->panel_overdrive_available = true;
1429 asus->panel_overdrive = result & ASUS_WMI_DSTS_STATUS_BIT;
1430 }
1431
1432 return 0;
1433}
1434
1435static int panel_od_write(struct asus_wmi *asus)
1436{
1437 u32 retval;
1438 u8 value;
1439 int err;
1440
1441
1442 value = asus->panel_overdrive ? 1 : 0;
1443
1444 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_PANEL_OD, value, &retval);
1445
1446 if (err) {
1447 pr_warn("Failed to set panel overdrive: %d\n", err);
1448 return err;
1449 }
1450
1451 if (retval > 1) {
1452 pr_warn("Failed to set panel overdrive (retval): 0x%x\n", retval);
1453 return -EIO;
1454 }
1455
1456 sysfs_notify(&asus->platform_device->dev.kobj, NULL, "panel_od");
1457
1458 return 0;
1459}
1460
1461static ssize_t panel_od_show(struct device *dev,
1462 struct device_attribute *attr, char *buf)
1463{
1464 struct asus_wmi *asus = dev_get_drvdata(dev);
1465
1466 return sysfs_emit(buf, "%d\n", asus->panel_overdrive);
1467}
1468
1469static ssize_t panel_od_store(struct device *dev,
1470 struct device_attribute *attr,
1471 const char *buf, size_t count)
1472{
1473 bool overdrive;
1474 int result;
1475
1476 struct asus_wmi *asus = dev_get_drvdata(dev);
1477
1478 result = kstrtobool(buf, &overdrive);
1479 if (result)
1480 return result;
1481
1482 asus->panel_overdrive = overdrive;
1483 result = panel_od_write(asus);
1484
1485 if (result)
1486 return result;
1487
1488 return count;
1489}
1490
1491static DEVICE_ATTR_RW(panel_od);
1492
1493
1494
1495static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
1496{
1497 struct pci_dev *xhci_pdev;
1498 u32 orig_ports_available;
1499 u32 ports_available = asus->driver->quirks->xusb2pr;
1500
1501 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1502 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
1503 NULL);
1504
1505 if (!xhci_pdev)
1506 return;
1507
1508 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1509 &orig_ports_available);
1510
1511 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1512 cpu_to_le32(ports_available));
1513
1514 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
1515 orig_ports_available, ports_available);
1516}
1517
1518
1519
1520
1521
1522static void asus_wmi_set_als(void)
1523{
1524 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
1525}
1526
1527
1528
1529static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
1530 int *speed)
1531{
1532 struct agfn_fan_args args = {
1533 .agfn.len = sizeof(args),
1534 .agfn.mfun = ASUS_FAN_MFUN,
1535 .agfn.sfun = ASUS_FAN_SFUN_READ,
1536 .fan = fan,
1537 .speed = 0,
1538 };
1539 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1540 int status;
1541
1542 if (fan != 1)
1543 return -EINVAL;
1544
1545 status = asus_wmi_evaluate_method_agfn(input);
1546
1547 if (status || args.agfn.err)
1548 return -ENXIO;
1549
1550 if (speed)
1551 *speed = args.speed;
1552
1553 return 0;
1554}
1555
1556static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
1557 int *speed)
1558{
1559 struct agfn_fan_args args = {
1560 .agfn.len = sizeof(args),
1561 .agfn.mfun = ASUS_FAN_MFUN,
1562 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
1563 .fan = fan,
1564 .speed = speed ? *speed : 0,
1565 };
1566 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1567 int status;
1568
1569
1570 if (fan != 1 && fan != 0)
1571 return -EINVAL;
1572
1573 status = asus_wmi_evaluate_method_agfn(input);
1574
1575 if (status || args.agfn.err)
1576 return -ENXIO;
1577
1578 if (speed && fan == 1)
1579 asus->agfn_pwm = *speed;
1580
1581 return 0;
1582}
1583
1584
1585
1586
1587
1588static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus)
1589{
1590 int status;
1591 int speed;
1592 u32 value;
1593
1594 status = asus_agfn_fan_speed_read(asus, 1, &speed);
1595 if (status != 0)
1596 return false;
1597
1598 status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1599 if (status != 0)
1600 return false;
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610 return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
1611 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)));
1612}
1613
1614static int asus_fan_set_auto(struct asus_wmi *asus)
1615{
1616 int status;
1617 u32 retval;
1618
1619 switch (asus->fan_type) {
1620 case FAN_TYPE_SPEC83:
1621 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
1622 0, &retval);
1623 if (status)
1624 return status;
1625
1626 if (retval != 1)
1627 return -EIO;
1628 break;
1629
1630 case FAN_TYPE_AGFN:
1631 status = asus_agfn_fan_speed_write(asus, 0, NULL);
1632 if (status)
1633 return -ENXIO;
1634 break;
1635
1636 default:
1637 return -ENXIO;
1638 }
1639
1640
1641 return 0;
1642}
1643
1644static ssize_t pwm1_show(struct device *dev,
1645 struct device_attribute *attr,
1646 char *buf)
1647{
1648 struct asus_wmi *asus = dev_get_drvdata(dev);
1649 int err;
1650 int value;
1651
1652
1653 if (asus->agfn_pwm >= 0)
1654 return sprintf(buf, "%d\n", asus->agfn_pwm);
1655
1656
1657
1658
1659
1660 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1661 if (err < 0)
1662 return err;
1663
1664 value &= 0xFF;
1665
1666 if (value == 1)
1667 value = 85;
1668 else if (value == 2)
1669 value = 170;
1670 else if (value == 3)
1671 value = 255;
1672 else if (value) {
1673 pr_err("Unknown fan speed %#x\n", value);
1674 value = -1;
1675 }
1676
1677 return sprintf(buf, "%d\n", value);
1678}
1679
1680static ssize_t pwm1_store(struct device *dev,
1681 struct device_attribute *attr,
1682 const char *buf, size_t count) {
1683 struct asus_wmi *asus = dev_get_drvdata(dev);
1684 int value;
1685 int state;
1686 int ret;
1687
1688 ret = kstrtouint(buf, 10, &value);
1689 if (ret)
1690 return ret;
1691
1692 value = clamp(value, 0, 255);
1693
1694 state = asus_agfn_fan_speed_write(asus, 1, &value);
1695 if (state)
1696 pr_warn("Setting fan speed failed: %d\n", state);
1697 else
1698 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL;
1699
1700 return count;
1701}
1702
1703static ssize_t fan1_input_show(struct device *dev,
1704 struct device_attribute *attr,
1705 char *buf)
1706{
1707 struct asus_wmi *asus = dev_get_drvdata(dev);
1708 int value;
1709 int ret;
1710
1711 switch (asus->fan_type) {
1712 case FAN_TYPE_SPEC83:
1713 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL,
1714 &value);
1715 if (ret < 0)
1716 return ret;
1717
1718 value &= 0xffff;
1719 break;
1720
1721 case FAN_TYPE_AGFN:
1722
1723 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL)
1724 return -ENXIO;
1725
1726 ret = asus_agfn_fan_speed_read(asus, 1, &value);
1727 if (ret) {
1728 pr_warn("reading fan speed failed: %d\n", ret);
1729 return -ENXIO;
1730 }
1731 break;
1732
1733 default:
1734 return -ENXIO;
1735 }
1736
1737 return sprintf(buf, "%d\n", value < 0 ? -1 : value*100);
1738}
1739
1740static ssize_t pwm1_enable_show(struct device *dev,
1741 struct device_attribute *attr,
1742 char *buf)
1743{
1744 struct asus_wmi *asus = dev_get_drvdata(dev);
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755 return sprintf(buf, "%d\n", asus->fan_pwm_mode);
1756}
1757
1758static ssize_t pwm1_enable_store(struct device *dev,
1759 struct device_attribute *attr,
1760 const char *buf, size_t count)
1761{
1762 struct asus_wmi *asus = dev_get_drvdata(dev);
1763 int status = 0;
1764 int state;
1765 int value;
1766 int ret;
1767 u32 retval;
1768
1769 ret = kstrtouint(buf, 10, &state);
1770 if (ret)
1771 return ret;
1772
1773 if (asus->fan_type == FAN_TYPE_SPEC83) {
1774 switch (state) {
1775 case ASUS_FAN_CTRL_FULLSPEED:
1776 value = 1;
1777 break;
1778 case ASUS_FAN_CTRL_AUTO:
1779 value = 0;
1780 break;
1781 default:
1782 return -EINVAL;
1783 }
1784
1785 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
1786 value, &retval);
1787 if (ret)
1788 return ret;
1789
1790 if (retval != 1)
1791 return -EIO;
1792 } else if (asus->fan_type == FAN_TYPE_AGFN) {
1793 switch (state) {
1794 case ASUS_FAN_CTRL_MANUAL:
1795 break;
1796
1797 case ASUS_FAN_CTRL_AUTO:
1798 status = asus_fan_set_auto(asus);
1799 if (status)
1800 return status;
1801 break;
1802
1803 default:
1804 return -EINVAL;
1805 }
1806 }
1807
1808 asus->fan_pwm_mode = state;
1809 return count;
1810}
1811
1812static ssize_t fan1_label_show(struct device *dev,
1813 struct device_attribute *attr,
1814 char *buf)
1815{
1816 return sprintf(buf, "%s\n", ASUS_FAN_DESC);
1817}
1818
1819static ssize_t asus_hwmon_temp1(struct device *dev,
1820 struct device_attribute *attr,
1821 char *buf)
1822{
1823 struct asus_wmi *asus = dev_get_drvdata(dev);
1824 u32 value;
1825 int err;
1826
1827 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
1828 if (err < 0)
1829 return err;
1830
1831 return sprintf(buf, "%ld\n",
1832 deci_kelvin_to_millicelsius(value & 0xFFFF));
1833}
1834
1835
1836static DEVICE_ATTR_RW(pwm1);
1837static DEVICE_ATTR_RW(pwm1_enable);
1838static DEVICE_ATTR_RO(fan1_input);
1839static DEVICE_ATTR_RO(fan1_label);
1840
1841
1842static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
1843
1844static struct attribute *hwmon_attributes[] = {
1845 &dev_attr_pwm1.attr,
1846 &dev_attr_pwm1_enable.attr,
1847 &dev_attr_fan1_input.attr,
1848 &dev_attr_fan1_label.attr,
1849
1850 &dev_attr_temp1_input.attr,
1851 NULL
1852};
1853
1854static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
1855 struct attribute *attr, int idx)
1856{
1857 struct device *dev = container_of(kobj, struct device, kobj);
1858 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
1859 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
1860
1861 if (attr == &dev_attr_pwm1.attr) {
1862 if (asus->fan_type != FAN_TYPE_AGFN)
1863 return 0;
1864 } else if (attr == &dev_attr_fan1_input.attr
1865 || attr == &dev_attr_fan1_label.attr
1866 || attr == &dev_attr_pwm1_enable.attr) {
1867 if (asus->fan_type == FAN_TYPE_NONE)
1868 return 0;
1869 } else if (attr == &dev_attr_temp1_input.attr) {
1870 int err = asus_wmi_get_devstate(asus,
1871 ASUS_WMI_DEVID_THERMAL_CTRL,
1872 &value);
1873
1874 if (err < 0)
1875 return 0;
1876
1877
1878
1879
1880
1881 if (value == 0 || value == 1)
1882 return 0;
1883 }
1884
1885 return attr->mode;
1886}
1887
1888static const struct attribute_group hwmon_attribute_group = {
1889 .is_visible = asus_hwmon_sysfs_is_visible,
1890 .attrs = hwmon_attributes
1891};
1892__ATTRIBUTE_GROUPS(hwmon_attribute);
1893
1894static int asus_wmi_hwmon_init(struct asus_wmi *asus)
1895{
1896 struct device *dev = &asus->platform_device->dev;
1897 struct device *hwmon;
1898
1899 hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
1900 hwmon_attribute_groups);
1901
1902 if (IS_ERR(hwmon)) {
1903 pr_err("Could not register asus hwmon device\n");
1904 return PTR_ERR(hwmon);
1905 }
1906 return 0;
1907}
1908
1909static int asus_wmi_fan_init(struct asus_wmi *asus)
1910{
1911 asus->fan_type = FAN_TYPE_NONE;
1912 asus->agfn_pwm = -1;
1913
1914 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
1915 asus->fan_type = FAN_TYPE_SPEC83;
1916 else if (asus_wmi_has_agfn_fan(asus))
1917 asus->fan_type = FAN_TYPE_AGFN;
1918
1919 if (asus->fan_type == FAN_TYPE_NONE)
1920 return -ENODEV;
1921
1922 asus_fan_set_auto(asus);
1923 asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO;
1924 return 0;
1925}
1926
1927
1928
1929static int fan_boost_mode_check_present(struct asus_wmi *asus)
1930{
1931 u32 result;
1932 int err;
1933
1934 asus->fan_boost_mode_available = false;
1935
1936 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
1937 &result);
1938 if (err) {
1939 if (err == -ENODEV)
1940 return 0;
1941 else
1942 return err;
1943 }
1944
1945 if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
1946 (result & ASUS_FAN_BOOST_MODES_MASK)) {
1947 asus->fan_boost_mode_available = true;
1948 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
1949 }
1950
1951 return 0;
1952}
1953
1954static int fan_boost_mode_write(struct asus_wmi *asus)
1955{
1956 int err;
1957 u8 value;
1958 u32 retval;
1959
1960 value = asus->fan_boost_mode;
1961
1962 pr_info("Set fan boost mode: %u\n", value);
1963 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
1964 &retval);
1965
1966 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
1967 "fan_boost_mode");
1968
1969 if (err) {
1970 pr_warn("Failed to set fan boost mode: %d\n", err);
1971 return err;
1972 }
1973
1974 if (retval != 1) {
1975 pr_warn("Failed to set fan boost mode (retval): 0x%x\n",
1976 retval);
1977 return -EIO;
1978 }
1979
1980 return 0;
1981}
1982
1983static int fan_boost_mode_switch_next(struct asus_wmi *asus)
1984{
1985 u8 mask = asus->fan_boost_mode_mask;
1986
1987 if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) {
1988 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)
1989 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST;
1990 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
1991 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
1992 } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
1993 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
1994 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
1995 else
1996 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
1997 } else {
1998 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
1999 }
2000
2001 return fan_boost_mode_write(asus);
2002}
2003
2004static ssize_t fan_boost_mode_show(struct device *dev,
2005 struct device_attribute *attr, char *buf)
2006{
2007 struct asus_wmi *asus = dev_get_drvdata(dev);
2008
2009 return scnprintf(buf, PAGE_SIZE, "%d\n", asus->fan_boost_mode);
2010}
2011
2012static ssize_t fan_boost_mode_store(struct device *dev,
2013 struct device_attribute *attr,
2014 const char *buf, size_t count)
2015{
2016 int result;
2017 u8 new_mode;
2018 struct asus_wmi *asus = dev_get_drvdata(dev);
2019 u8 mask = asus->fan_boost_mode_mask;
2020
2021 result = kstrtou8(buf, 10, &new_mode);
2022 if (result < 0) {
2023 pr_warn("Trying to store invalid value\n");
2024 return result;
2025 }
2026
2027 if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
2028 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK))
2029 return -EINVAL;
2030 } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) {
2031 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK))
2032 return -EINVAL;
2033 } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) {
2034 return -EINVAL;
2035 }
2036
2037 asus->fan_boost_mode = new_mode;
2038 fan_boost_mode_write(asus);
2039
2040 return count;
2041}
2042
2043
2044static DEVICE_ATTR_RW(fan_boost_mode);
2045
2046
2047
2048static int throttle_thermal_policy_check_present(struct asus_wmi *asus)
2049{
2050 u32 result;
2051 int err;
2052
2053 asus->throttle_thermal_policy_available = false;
2054
2055 err = asus_wmi_get_devstate(asus,
2056 ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
2057 &result);
2058 if (err) {
2059 if (err == -ENODEV)
2060 return 0;
2061 return err;
2062 }
2063
2064 if (result & ASUS_WMI_DSTS_PRESENCE_BIT)
2065 asus->throttle_thermal_policy_available = true;
2066
2067 return 0;
2068}
2069
2070static int throttle_thermal_policy_write(struct asus_wmi *asus)
2071{
2072 int err;
2073 u8 value;
2074 u32 retval;
2075
2076 value = asus->throttle_thermal_policy_mode;
2077
2078 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_THROTTLE_THERMAL_POLICY,
2079 value, &retval);
2080
2081 sysfs_notify(&asus->platform_device->dev.kobj, NULL,
2082 "throttle_thermal_policy");
2083
2084 if (err) {
2085 pr_warn("Failed to set throttle thermal policy: %d\n", err);
2086 return err;
2087 }
2088
2089 if (retval != 1) {
2090 pr_warn("Failed to set throttle thermal policy (retval): 0x%x\n",
2091 retval);
2092 return -EIO;
2093 }
2094
2095 return 0;
2096}
2097
2098static int throttle_thermal_policy_set_default(struct asus_wmi *asus)
2099{
2100 if (!asus->throttle_thermal_policy_available)
2101 return 0;
2102
2103 asus->throttle_thermal_policy_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2104 return throttle_thermal_policy_write(asus);
2105}
2106
2107static int throttle_thermal_policy_switch_next(struct asus_wmi *asus)
2108{
2109 u8 new_mode = asus->throttle_thermal_policy_mode + 1;
2110 int err;
2111
2112 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
2113 new_mode = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2114
2115 asus->throttle_thermal_policy_mode = new_mode;
2116 err = throttle_thermal_policy_write(asus);
2117 if (err)
2118 return err;
2119
2120
2121
2122
2123
2124 platform_profile_notify();
2125
2126 return 0;
2127}
2128
2129static ssize_t throttle_thermal_policy_show(struct device *dev,
2130 struct device_attribute *attr, char *buf)
2131{
2132 struct asus_wmi *asus = dev_get_drvdata(dev);
2133 u8 mode = asus->throttle_thermal_policy_mode;
2134
2135 return scnprintf(buf, PAGE_SIZE, "%d\n", mode);
2136}
2137
2138static ssize_t throttle_thermal_policy_store(struct device *dev,
2139 struct device_attribute *attr,
2140 const char *buf, size_t count)
2141{
2142 struct asus_wmi *asus = dev_get_drvdata(dev);
2143 u8 new_mode;
2144 int result;
2145 int err;
2146
2147 result = kstrtou8(buf, 10, &new_mode);
2148 if (result < 0)
2149 return result;
2150
2151 if (new_mode > ASUS_THROTTLE_THERMAL_POLICY_SILENT)
2152 return -EINVAL;
2153
2154 asus->throttle_thermal_policy_mode = new_mode;
2155 err = throttle_thermal_policy_write(asus);
2156 if (err)
2157 return err;
2158
2159
2160
2161
2162
2163 platform_profile_notify();
2164
2165 return count;
2166}
2167
2168
2169static DEVICE_ATTR_RW(throttle_thermal_policy);
2170
2171
2172static int platform_profile_get(struct platform_profile_handler *pprof,
2173 enum platform_profile_option *profile)
2174{
2175 struct asus_wmi *asus;
2176 int tp;
2177
2178 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
2179
2180 tp = asus->throttle_thermal_policy_mode;
2181
2182 switch (tp) {
2183 case ASUS_THROTTLE_THERMAL_POLICY_DEFAULT:
2184 *profile = PLATFORM_PROFILE_BALANCED;
2185 break;
2186 case ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST:
2187 *profile = PLATFORM_PROFILE_PERFORMANCE;
2188 break;
2189 case ASUS_THROTTLE_THERMAL_POLICY_SILENT:
2190 *profile = PLATFORM_PROFILE_QUIET;
2191 break;
2192 default:
2193 return -EINVAL;
2194 }
2195
2196 return 0;
2197}
2198
2199static int platform_profile_set(struct platform_profile_handler *pprof,
2200 enum platform_profile_option profile)
2201{
2202 struct asus_wmi *asus;
2203 int tp;
2204
2205 asus = container_of(pprof, struct asus_wmi, platform_profile_handler);
2206
2207 switch (profile) {
2208 case PLATFORM_PROFILE_PERFORMANCE:
2209 tp = ASUS_THROTTLE_THERMAL_POLICY_OVERBOOST;
2210 break;
2211 case PLATFORM_PROFILE_BALANCED:
2212 tp = ASUS_THROTTLE_THERMAL_POLICY_DEFAULT;
2213 break;
2214 case PLATFORM_PROFILE_QUIET:
2215 tp = ASUS_THROTTLE_THERMAL_POLICY_SILENT;
2216 break;
2217 default:
2218 return -EOPNOTSUPP;
2219 }
2220
2221 asus->throttle_thermal_policy_mode = tp;
2222 return throttle_thermal_policy_write(asus);
2223}
2224
2225static int platform_profile_setup(struct asus_wmi *asus)
2226{
2227 struct device *dev = &asus->platform_device->dev;
2228 int err;
2229
2230
2231
2232
2233
2234 if (!asus->throttle_thermal_policy_available)
2235 return 0;
2236
2237 dev_info(dev, "Using throttle_thermal_policy for platform_profile support\n");
2238
2239 asus->platform_profile_handler.profile_get = platform_profile_get;
2240 asus->platform_profile_handler.profile_set = platform_profile_set;
2241
2242 set_bit(PLATFORM_PROFILE_QUIET, asus->platform_profile_handler.choices);
2243 set_bit(PLATFORM_PROFILE_BALANCED,
2244 asus->platform_profile_handler.choices);
2245 set_bit(PLATFORM_PROFILE_PERFORMANCE,
2246 asus->platform_profile_handler.choices);
2247
2248 err = platform_profile_register(&asus->platform_profile_handler);
2249 if (err)
2250 return err;
2251
2252 asus->platform_profile_support = true;
2253 return 0;
2254}
2255
2256
2257
2258static int read_backlight_power(struct asus_wmi *asus)
2259{
2260 int ret;
2261
2262 if (asus->driver->quirks->store_backlight_power)
2263 ret = !asus->driver->panel_power;
2264 else
2265 ret = asus_wmi_get_devstate_simple(asus,
2266 ASUS_WMI_DEVID_BACKLIGHT);
2267
2268 if (ret < 0)
2269 return ret;
2270
2271 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
2272}
2273
2274static int read_brightness_max(struct asus_wmi *asus)
2275{
2276 u32 retval;
2277 int err;
2278
2279 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
2280 if (err < 0)
2281 return err;
2282
2283 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
2284 retval >>= 8;
2285
2286 if (!retval)
2287 return -ENODEV;
2288
2289 return retval;
2290}
2291
2292static int read_brightness(struct backlight_device *bd)
2293{
2294 struct asus_wmi *asus = bl_get_data(bd);
2295 u32 retval;
2296 int err;
2297
2298 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
2299 if (err < 0)
2300 return err;
2301
2302 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
2303}
2304
2305static u32 get_scalar_command(struct backlight_device *bd)
2306{
2307 struct asus_wmi *asus = bl_get_data(bd);
2308 u32 ctrl_param = 0;
2309
2310 if ((asus->driver->brightness < bd->props.brightness) ||
2311 bd->props.brightness == bd->props.max_brightness)
2312 ctrl_param = 0x00008001;
2313 else if ((asus->driver->brightness > bd->props.brightness) ||
2314 bd->props.brightness == 0)
2315 ctrl_param = 0x00008000;
2316
2317 asus->driver->brightness = bd->props.brightness;
2318
2319 return ctrl_param;
2320}
2321
2322static int update_bl_status(struct backlight_device *bd)
2323{
2324 struct asus_wmi *asus = bl_get_data(bd);
2325 u32 ctrl_param;
2326 int power, err = 0;
2327
2328 power = read_backlight_power(asus);
2329 if (power != -ENODEV && bd->props.power != power) {
2330 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
2331 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
2332 ctrl_param, NULL);
2333 if (asus->driver->quirks->store_backlight_power)
2334 asus->driver->panel_power = bd->props.power;
2335
2336
2337
2338 if (asus->driver->quirks->scalar_panel_brightness)
2339 return err;
2340 }
2341
2342 if (asus->driver->quirks->scalar_panel_brightness)
2343 ctrl_param = get_scalar_command(bd);
2344 else
2345 ctrl_param = bd->props.brightness;
2346
2347 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
2348 ctrl_param, NULL);
2349
2350 return err;
2351}
2352
2353static const struct backlight_ops asus_wmi_bl_ops = {
2354 .get_brightness = read_brightness,
2355 .update_status = update_bl_status,
2356};
2357
2358static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
2359{
2360 struct backlight_device *bd = asus->backlight_device;
2361 int old = bd->props.brightness;
2362 int new = old;
2363
2364 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
2365 new = code - NOTIFY_BRNUP_MIN + 1;
2366 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
2367 new = code - NOTIFY_BRNDOWN_MIN;
2368
2369 bd->props.brightness = new;
2370 backlight_update_status(bd);
2371 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
2372
2373 return old;
2374}
2375
2376static int asus_wmi_backlight_init(struct asus_wmi *asus)
2377{
2378 struct backlight_device *bd;
2379 struct backlight_properties props;
2380 int max;
2381 int power;
2382
2383 max = read_brightness_max(asus);
2384 if (max < 0)
2385 return max;
2386
2387 power = read_backlight_power(asus);
2388 if (power == -ENODEV)
2389 power = FB_BLANK_UNBLANK;
2390 else if (power < 0)
2391 return power;
2392
2393 memset(&props, 0, sizeof(struct backlight_properties));
2394 props.type = BACKLIGHT_PLATFORM;
2395 props.max_brightness = max;
2396 bd = backlight_device_register(asus->driver->name,
2397 &asus->platform_device->dev, asus,
2398 &asus_wmi_bl_ops, &props);
2399 if (IS_ERR(bd)) {
2400 pr_err("Could not register backlight device\n");
2401 return PTR_ERR(bd);
2402 }
2403
2404 asus->backlight_device = bd;
2405
2406 if (asus->driver->quirks->store_backlight_power)
2407 asus->driver->panel_power = power;
2408
2409 bd->props.brightness = read_brightness(bd);
2410 bd->props.power = power;
2411 backlight_update_status(bd);
2412
2413 asus->driver->brightness = bd->props.brightness;
2414
2415 return 0;
2416}
2417
2418static void asus_wmi_backlight_exit(struct asus_wmi *asus)
2419{
2420 backlight_device_unregister(asus->backlight_device);
2421
2422 asus->backlight_device = NULL;
2423}
2424
2425static int is_display_toggle(int code)
2426{
2427
2428 if ((code >= 0x61 && code <= 0x67) ||
2429 (code >= 0x8c && code <= 0x93) ||
2430 (code >= 0xa0 && code <= 0xa7) ||
2431 (code >= 0xd0 && code <= 0xd5))
2432 return 1;
2433
2434 return 0;
2435}
2436
2437
2438
2439static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
2440{
2441 u32 result;
2442
2443 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
2444
2445 return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
2446 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
2447}
2448
2449static void asus_wmi_fnlock_update(struct asus_wmi *asus)
2450{
2451 int mode = asus->fnlock_locked;
2452
2453 asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
2454}
2455
2456
2457
2458static int asus_wmi_get_event_code(u32 value)
2459{
2460 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
2461 union acpi_object *obj;
2462 acpi_status status;
2463 int code;
2464
2465 status = wmi_get_event_data(value, &response);
2466 if (ACPI_FAILURE(status)) {
2467 pr_warn("Failed to get WMI notify code: %s\n",
2468 acpi_format_exception(status));
2469 return -EIO;
2470 }
2471
2472 obj = (union acpi_object *)response.pointer;
2473
2474 if (obj && obj->type == ACPI_TYPE_INTEGER)
2475 code = (int)(obj->integer.value & WMI_EVENT_MASK);
2476 else
2477 code = -EIO;
2478
2479 kfree(obj);
2480 return code;
2481}
2482
2483static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
2484{
2485 unsigned int key_value = 1;
2486 bool autorelease = 1;
2487 int result, orig_code;
2488
2489 orig_code = code;
2490
2491 if (asus->driver->key_filter) {
2492 asus->driver->key_filter(asus->driver, &code, &key_value,
2493 &autorelease);
2494 if (code == ASUS_WMI_KEY_IGNORE)
2495 return;
2496 }
2497
2498 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
2499 code = ASUS_WMI_BRN_UP;
2500 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
2501 code = ASUS_WMI_BRN_DOWN;
2502
2503 if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
2504 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
2505 asus_wmi_backlight_notify(asus, orig_code);
2506 return;
2507 }
2508 }
2509
2510 if (code == NOTIFY_KBD_BRTUP) {
2511 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
2512 return;
2513 }
2514 if (code == NOTIFY_KBD_BRTDWN) {
2515 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
2516 return;
2517 }
2518 if (code == NOTIFY_KBD_BRTTOGGLE) {
2519 if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
2520 kbd_led_set_by_kbd(asus, 0);
2521 else
2522 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
2523 return;
2524 }
2525
2526 if (code == NOTIFY_FNLOCK_TOGGLE) {
2527 asus->fnlock_locked = !asus->fnlock_locked;
2528 asus_wmi_fnlock_update(asus);
2529 return;
2530 }
2531
2532 if (asus->driver->quirks->use_kbd_dock_devid && code == NOTIFY_KBD_DOCK_CHANGE) {
2533 result = asus_wmi_get_devstate_simple(asus,
2534 ASUS_WMI_DEVID_KBD_DOCK);
2535 if (result >= 0) {
2536 input_report_switch(asus->inputdev, SW_TABLET_MODE,
2537 !result);
2538 input_sync(asus->inputdev);
2539 }
2540 return;
2541 }
2542
2543 if (asus->driver->quirks->use_lid_flip_devid && code == NOTIFY_LID_FLIP) {
2544 lid_flip_tablet_mode_get_state(asus);
2545 return;
2546 }
2547
2548 if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
2549 fan_boost_mode_switch_next(asus);
2550 return;
2551 }
2552
2553 if (asus->throttle_thermal_policy_available && code == NOTIFY_KBD_TTP) {
2554 throttle_thermal_policy_switch_next(asus);
2555 return;
2556 }
2557
2558 if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
2559 return;
2560
2561 if (!sparse_keymap_report_event(asus->inputdev, code,
2562 key_value, autorelease))
2563 pr_info("Unknown key %x pressed\n", code);
2564}
2565
2566static void asus_wmi_notify(u32 value, void *context)
2567{
2568 struct asus_wmi *asus = context;
2569 int code;
2570 int i;
2571
2572 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
2573 code = asus_wmi_get_event_code(value);
2574 if (code < 0) {
2575 pr_warn("Failed to get notify code: %d\n", code);
2576 return;
2577 }
2578
2579 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
2580 return;
2581
2582 asus_wmi_handle_event_code(code, asus);
2583
2584
2585
2586
2587
2588 if (!asus->wmi_event_queue || value != WMI_EVENT_VALUE_ATK)
2589 return;
2590 }
2591
2592 pr_warn("Failed to process event queue, last code: 0x%x\n", code);
2593}
2594
2595static int asus_wmi_notify_queue_flush(struct asus_wmi *asus)
2596{
2597 int code;
2598 int i;
2599
2600 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
2601 code = asus_wmi_get_event_code(WMI_EVENT_VALUE_ATK);
2602 if (code < 0) {
2603 pr_warn("Failed to get event during flush: %d\n", code);
2604 return code;
2605 }
2606
2607 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
2608 return 0;
2609 }
2610
2611 pr_warn("Failed to flush event queue\n");
2612 return -EIO;
2613}
2614
2615
2616
2617static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
2618 const char *buf, size_t count)
2619{
2620 u32 retval;
2621 int err, value;
2622
2623 value = asus_wmi_get_devstate_simple(asus, devid);
2624 if (value < 0)
2625 return value;
2626
2627 err = kstrtoint(buf, 0, &value);
2628 if (err)
2629 return err;
2630
2631 err = asus_wmi_set_devstate(devid, value, &retval);
2632 if (err < 0)
2633 return err;
2634
2635 return count;
2636}
2637
2638static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
2639{
2640 int value = asus_wmi_get_devstate_simple(asus, devid);
2641
2642 if (value < 0)
2643 return value;
2644
2645 return sprintf(buf, "%d\n", value);
2646}
2647
2648#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
2649 static ssize_t show_##_name(struct device *dev, \
2650 struct device_attribute *attr, \
2651 char *buf) \
2652 { \
2653 struct asus_wmi *asus = dev_get_drvdata(dev); \
2654 \
2655 return show_sys_wmi(asus, _cm, buf); \
2656 } \
2657 static ssize_t store_##_name(struct device *dev, \
2658 struct device_attribute *attr, \
2659 const char *buf, size_t count) \
2660 { \
2661 struct asus_wmi *asus = dev_get_drvdata(dev); \
2662 \
2663 return store_sys_wmi(asus, _cm, buf, count); \
2664 } \
2665 static struct device_attribute dev_attr_##_name = { \
2666 .attr = { \
2667 .name = __stringify(_name), \
2668 .mode = _mode }, \
2669 .show = show_##_name, \
2670 .store = store_##_name, \
2671 }
2672
2673ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
2674ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
2675ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
2676ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
2677ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
2678
2679static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
2680 const char *buf, size_t count)
2681{
2682 int value, rv;
2683
2684 rv = kstrtoint(buf, 0, &value);
2685 if (rv)
2686 return rv;
2687
2688 if (value < 0 || value > 2)
2689 return -EINVAL;
2690
2691 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
2692 if (rv < 0)
2693 return rv;
2694
2695 return count;
2696}
2697
2698static DEVICE_ATTR_WO(cpufv);
2699
2700static struct attribute *platform_attributes[] = {
2701 &dev_attr_cpufv.attr,
2702 &dev_attr_camera.attr,
2703 &dev_attr_cardr.attr,
2704 &dev_attr_touchpad.attr,
2705 &dev_attr_egpu_enable.attr,
2706 &dev_attr_dgpu_disable.attr,
2707 &dev_attr_lid_resume.attr,
2708 &dev_attr_als_enable.attr,
2709 &dev_attr_fan_boost_mode.attr,
2710 &dev_attr_throttle_thermal_policy.attr,
2711 &dev_attr_panel_od.attr,
2712 NULL
2713};
2714
2715static umode_t asus_sysfs_is_visible(struct kobject *kobj,
2716 struct attribute *attr, int idx)
2717{
2718 struct device *dev = container_of(kobj, struct device, kobj);
2719 struct asus_wmi *asus = dev_get_drvdata(dev);
2720 bool ok = true;
2721 int devid = -1;
2722
2723 if (attr == &dev_attr_camera.attr)
2724 devid = ASUS_WMI_DEVID_CAMERA;
2725 else if (attr == &dev_attr_cardr.attr)
2726 devid = ASUS_WMI_DEVID_CARDREADER;
2727 else if (attr == &dev_attr_touchpad.attr)
2728 devid = ASUS_WMI_DEVID_TOUCHPAD;
2729 else if (attr == &dev_attr_lid_resume.attr)
2730 devid = ASUS_WMI_DEVID_LID_RESUME;
2731 else if (attr == &dev_attr_als_enable.attr)
2732 devid = ASUS_WMI_DEVID_ALS_ENABLE;
2733 else if (attr == &dev_attr_egpu_enable.attr)
2734 ok = asus->egpu_enable_available;
2735 else if (attr == &dev_attr_dgpu_disable.attr)
2736 ok = asus->dgpu_disable_available;
2737 else if (attr == &dev_attr_fan_boost_mode.attr)
2738 ok = asus->fan_boost_mode_available;
2739 else if (attr == &dev_attr_throttle_thermal_policy.attr)
2740 ok = asus->throttle_thermal_policy_available;
2741 else if (attr == &dev_attr_panel_od.attr)
2742 ok = asus->panel_overdrive_available;
2743
2744 if (devid != -1)
2745 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
2746
2747 return ok ? attr->mode : 0;
2748}
2749
2750static const struct attribute_group platform_attribute_group = {
2751 .is_visible = asus_sysfs_is_visible,
2752 .attrs = platform_attributes
2753};
2754
2755static void asus_wmi_sysfs_exit(struct platform_device *device)
2756{
2757 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
2758}
2759
2760static int asus_wmi_sysfs_init(struct platform_device *device)
2761{
2762 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
2763}
2764
2765
2766
2767static int asus_wmi_platform_init(struct asus_wmi *asus)
2768{
2769 struct device *dev = &asus->platform_device->dev;
2770 char *wmi_uid;
2771 int rv;
2772
2773
2774 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
2775 pr_info("Initialization: %#x\n", rv);
2776
2777
2778 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
2779 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
2780 asus->spec = rv;
2781 }
2782
2783
2784
2785
2786
2787
2788
2789 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
2790 pr_info("SFUN value: %#x\n", rv);
2791 asus->sfun = rv;
2792 }
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807 wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
2808 if (!wmi_uid)
2809 return -ENODEV;
2810
2811 if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
2812 dev_info(dev, "Detected ASUSWMI, use DCTS\n");
2813 asus->dsts_id = ASUS_WMI_METHODID_DCTS;
2814 } else {
2815 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
2816 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
2817 }
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828 wmi_uid = wmi_get_acpi_device_uid(asus->driver->event_guid);
2829 if (wmi_uid && !strcmp(wmi_uid, ASUS_ACPI_UID_ATK)) {
2830 dev_info(dev, "Detected ATK, enable event queue\n");
2831
2832 if (!asus_wmi_notify_queue_flush(asus))
2833 asus->wmi_event_queue = true;
2834 }
2835
2836
2837
2838 if (asus->driver->quirks->wapf >= 0)
2839 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
2840 asus->driver->quirks->wapf, NULL);
2841
2842 return 0;
2843}
2844
2845
2846
2847struct asus_wmi_debugfs_node {
2848 struct asus_wmi *asus;
2849 char *name;
2850 int (*show) (struct seq_file *m, void *data);
2851};
2852
2853static int show_dsts(struct seq_file *m, void *data)
2854{
2855 struct asus_wmi *asus = m->private;
2856 int err;
2857 u32 retval = -1;
2858
2859 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
2860 if (err < 0)
2861 return err;
2862
2863 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
2864
2865 return 0;
2866}
2867
2868static int show_devs(struct seq_file *m, void *data)
2869{
2870 struct asus_wmi *asus = m->private;
2871 int err;
2872 u32 retval = -1;
2873
2874 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
2875 &retval);
2876 if (err < 0)
2877 return err;
2878
2879 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
2880 asus->debug.ctrl_param, retval);
2881
2882 return 0;
2883}
2884
2885static int show_call(struct seq_file *m, void *data)
2886{
2887 struct asus_wmi *asus = m->private;
2888 struct bios_args args = {
2889 .arg0 = asus->debug.dev_id,
2890 .arg1 = asus->debug.ctrl_param,
2891 };
2892 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
2893 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2894 union acpi_object *obj;
2895 acpi_status status;
2896
2897 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
2898 0, asus->debug.method_id,
2899 &input, &output);
2900
2901 if (ACPI_FAILURE(status))
2902 return -EIO;
2903
2904 obj = (union acpi_object *)output.pointer;
2905 if (obj && obj->type == ACPI_TYPE_INTEGER)
2906 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
2907 asus->debug.dev_id, asus->debug.ctrl_param,
2908 (u32) obj->integer.value);
2909 else
2910 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
2911 asus->debug.dev_id, asus->debug.ctrl_param,
2912 obj ? obj->type : -1);
2913
2914 kfree(obj);
2915
2916 return 0;
2917}
2918
2919static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
2920 {NULL, "devs", show_devs},
2921 {NULL, "dsts", show_dsts},
2922 {NULL, "call", show_call},
2923};
2924
2925static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
2926{
2927 struct asus_wmi_debugfs_node *node = inode->i_private;
2928
2929 return single_open(file, node->show, node->asus);
2930}
2931
2932static const struct file_operations asus_wmi_debugfs_io_ops = {
2933 .owner = THIS_MODULE,
2934 .open = asus_wmi_debugfs_open,
2935 .read = seq_read,
2936 .llseek = seq_lseek,
2937 .release = single_release,
2938};
2939
2940static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
2941{
2942 debugfs_remove_recursive(asus->debug.root);
2943}
2944
2945static void asus_wmi_debugfs_init(struct asus_wmi *asus)
2946{
2947 int i;
2948
2949 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
2950
2951 debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
2952 &asus->debug.method_id);
2953
2954 debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
2955 &asus->debug.dev_id);
2956
2957 debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
2958 &asus->debug.ctrl_param);
2959
2960 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
2961 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
2962
2963 node->asus = asus;
2964 debugfs_create_file(node->name, S_IFREG | S_IRUGO,
2965 asus->debug.root, node,
2966 &asus_wmi_debugfs_io_ops);
2967 }
2968}
2969
2970
2971
2972static int asus_wmi_add(struct platform_device *pdev)
2973{
2974 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2975 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2976 struct asus_wmi *asus;
2977 const char *chassis_type;
2978 acpi_status status;
2979 int err;
2980 u32 result;
2981
2982 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
2983 if (!asus)
2984 return -ENOMEM;
2985
2986 asus->driver = wdrv;
2987 asus->platform_device = pdev;
2988 wdrv->platform_device = pdev;
2989 platform_set_drvdata(asus->platform_device, asus);
2990
2991 if (wdrv->detect_quirks)
2992 wdrv->detect_quirks(asus->driver);
2993
2994 err = asus_wmi_platform_init(asus);
2995 if (err)
2996 goto fail_platform;
2997
2998 err = egpu_enable_check_present(asus);
2999 if (err)
3000 goto fail_egpu_enable;
3001
3002 err = dgpu_disable_check_present(asus);
3003 if (err)
3004 goto fail_dgpu_disable;
3005
3006 err = fan_boost_mode_check_present(asus);
3007 if (err)
3008 goto fail_fan_boost_mode;
3009
3010 err = throttle_thermal_policy_check_present(asus);
3011 if (err)
3012 goto fail_throttle_thermal_policy;
3013 else
3014 throttle_thermal_policy_set_default(asus);
3015
3016 err = platform_profile_setup(asus);
3017 if (err)
3018 goto fail_platform_profile_setup;
3019
3020 err = panel_od_check_present(asus);
3021 if (err)
3022 goto fail_panel_od;
3023
3024 err = asus_wmi_sysfs_init(asus->platform_device);
3025 if (err)
3026 goto fail_sysfs;
3027
3028 err = asus_wmi_input_init(asus);
3029 if (err)
3030 goto fail_input;
3031
3032 err = asus_wmi_fan_init(asus);
3033
3034 err = asus_wmi_hwmon_init(asus);
3035 if (err)
3036 goto fail_hwmon;
3037
3038 err = asus_wmi_led_init(asus);
3039 if (err)
3040 goto fail_leds;
3041
3042 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
3043 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
3044 asus->driver->wlan_ctrl_by_user = 1;
3045
3046 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
3047 err = asus_wmi_rfkill_init(asus);
3048 if (err)
3049 goto fail_rfkill;
3050 }
3051
3052 if (asus->driver->quirks->wmi_force_als_set)
3053 asus_wmi_set_als();
3054
3055
3056
3057 chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
3058 if (chassis_type && !strcmp(chassis_type, "3"))
3059 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
3060
3061 if (asus->driver->quirks->wmi_backlight_power)
3062 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
3063
3064 if (asus->driver->quirks->wmi_backlight_native)
3065 acpi_video_set_dmi_backlight_type(acpi_backlight_native);
3066
3067 if (asus->driver->quirks->xusb2pr)
3068 asus_wmi_set_xusb2pr(asus);
3069
3070 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
3071 err = asus_wmi_backlight_init(asus);
3072 if (err && err != -ENODEV)
3073 goto fail_backlight;
3074 } else if (asus->driver->quirks->wmi_backlight_set_devstate)
3075 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
3076
3077 if (asus_wmi_has_fnlock_key(asus)) {
3078 asus->fnlock_locked = fnlock_default;
3079 asus_wmi_fnlock_update(asus);
3080 }
3081
3082 status = wmi_install_notify_handler(asus->driver->event_guid,
3083 asus_wmi_notify, asus);
3084 if (ACPI_FAILURE(status)) {
3085 pr_err("Unable to register notify handler - %d\n", status);
3086 err = -ENODEV;
3087 goto fail_wmi_handler;
3088 }
3089
3090 asus_wmi_battery_init(asus);
3091
3092 asus_wmi_debugfs_init(asus);
3093
3094 return 0;
3095
3096fail_wmi_handler:
3097 asus_wmi_backlight_exit(asus);
3098fail_backlight:
3099 asus_wmi_rfkill_exit(asus);
3100fail_rfkill:
3101 asus_wmi_led_exit(asus);
3102fail_leds:
3103fail_hwmon:
3104 asus_wmi_input_exit(asus);
3105fail_input:
3106 asus_wmi_sysfs_exit(asus->platform_device);
3107fail_sysfs:
3108fail_throttle_thermal_policy:
3109fail_platform_profile_setup:
3110 if (asus->platform_profile_support)
3111 platform_profile_remove();
3112fail_fan_boost_mode:
3113fail_egpu_enable:
3114fail_dgpu_disable:
3115fail_platform:
3116fail_panel_od:
3117 kfree(asus);
3118 return err;
3119}
3120
3121static int asus_wmi_remove(struct platform_device *device)
3122{
3123 struct asus_wmi *asus;
3124
3125 asus = platform_get_drvdata(device);
3126 wmi_remove_notify_handler(asus->driver->event_guid);
3127 asus_wmi_backlight_exit(asus);
3128 asus_wmi_input_exit(asus);
3129 asus_wmi_led_exit(asus);
3130 asus_wmi_rfkill_exit(asus);
3131 asus_wmi_debugfs_exit(asus);
3132 asus_wmi_sysfs_exit(asus->platform_device);
3133 asus_fan_set_auto(asus);
3134 asus_wmi_battery_exit(asus);
3135
3136 if (asus->platform_profile_support)
3137 platform_profile_remove();
3138
3139 kfree(asus);
3140 return 0;
3141}
3142
3143
3144
3145static int asus_hotk_thaw(struct device *device)
3146{
3147 struct asus_wmi *asus = dev_get_drvdata(device);
3148
3149 if (asus->wlan.rfkill) {
3150 bool wlan;
3151
3152
3153
3154
3155
3156
3157 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
3158 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
3159 }
3160
3161 return 0;
3162}
3163
3164static int asus_hotk_resume(struct device *device)
3165{
3166 struct asus_wmi *asus = dev_get_drvdata(device);
3167
3168 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
3169 kbd_led_update(asus);
3170
3171 if (asus_wmi_has_fnlock_key(asus))
3172 asus_wmi_fnlock_update(asus);
3173
3174 if (asus->driver->quirks->use_lid_flip_devid)
3175 lid_flip_tablet_mode_get_state(asus);
3176
3177 return 0;
3178}
3179
3180static int asus_hotk_restore(struct device *device)
3181{
3182 struct asus_wmi *asus = dev_get_drvdata(device);
3183 int bl;
3184
3185
3186 if (asus->wlan.rfkill)
3187 asus_rfkill_hotplug(asus);
3188
3189 if (asus->bluetooth.rfkill) {
3190 bl = !asus_wmi_get_devstate_simple(asus,
3191 ASUS_WMI_DEVID_BLUETOOTH);
3192 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
3193 }
3194 if (asus->wimax.rfkill) {
3195 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
3196 rfkill_set_sw_state(asus->wimax.rfkill, bl);
3197 }
3198 if (asus->wwan3g.rfkill) {
3199 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
3200 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
3201 }
3202 if (asus->gps.rfkill) {
3203 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
3204 rfkill_set_sw_state(asus->gps.rfkill, bl);
3205 }
3206 if (asus->uwb.rfkill) {
3207 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
3208 rfkill_set_sw_state(asus->uwb.rfkill, bl);
3209 }
3210 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
3211 kbd_led_update(asus);
3212
3213 if (asus_wmi_has_fnlock_key(asus))
3214 asus_wmi_fnlock_update(asus);
3215
3216 if (asus->driver->quirks->use_lid_flip_devid)
3217 lid_flip_tablet_mode_get_state(asus);
3218
3219 return 0;
3220}
3221
3222static const struct dev_pm_ops asus_pm_ops = {
3223 .thaw = asus_hotk_thaw,
3224 .restore = asus_hotk_restore,
3225 .resume = asus_hotk_resume,
3226};
3227
3228
3229
3230static int asus_wmi_probe(struct platform_device *pdev)
3231{
3232 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
3233 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
3234 int ret;
3235
3236 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
3237 pr_warn("ASUS Management GUID not found\n");
3238 return -ENODEV;
3239 }
3240
3241 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
3242 pr_warn("ASUS Event GUID not found\n");
3243 return -ENODEV;
3244 }
3245
3246 if (wdrv->probe) {
3247 ret = wdrv->probe(pdev);
3248 if (ret)
3249 return ret;
3250 }
3251
3252 return asus_wmi_add(pdev);
3253}
3254
3255static bool used;
3256
3257int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
3258{
3259 struct platform_driver *platform_driver;
3260 struct platform_device *platform_device;
3261
3262 if (used)
3263 return -EBUSY;
3264
3265 platform_driver = &driver->platform_driver;
3266 platform_driver->remove = asus_wmi_remove;
3267 platform_driver->driver.owner = driver->owner;
3268 platform_driver->driver.name = driver->name;
3269 platform_driver->driver.pm = &asus_pm_ops;
3270
3271 platform_device = platform_create_bundle(platform_driver,
3272 asus_wmi_probe,
3273 NULL, 0, NULL, 0);
3274 if (IS_ERR(platform_device))
3275 return PTR_ERR(platform_device);
3276
3277 used = true;
3278 return 0;
3279}
3280EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
3281
3282void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
3283{
3284 platform_device_unregister(driver->platform_device);
3285 platform_driver_unregister(&driver->platform_driver);
3286 used = false;
3287}
3288EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
3289
3290static int __init asus_wmi_init(void)
3291{
3292 pr_info("ASUS WMI generic driver loaded\n");
3293 return 0;
3294}
3295
3296static void __exit asus_wmi_exit(void)
3297{
3298 pr_info("ASUS WMI generic driver unloaded\n");
3299}
3300
3301module_init(asus_wmi_init);
3302module_exit(asus_wmi_exit);
3303