This source file includes following definitions.
- ashs_present
- asus_wmi_input_init
- asus_wmi_input_exit
- asus_wmi_evaluate_method3
- asus_wmi_evaluate_method
- asus_wmi_evaluate_method_agfn
- asus_wmi_get_devstate
- asus_wmi_set_devstate
- asus_wmi_get_devstate_bits
- asus_wmi_get_devstate_simple
- asus_wmi_dev_is_present
- charge_control_end_threshold_store
- charge_control_end_threshold_show
- asus_wmi_battery_add
- asus_wmi_battery_remove
- asus_wmi_battery_init
- asus_wmi_battery_exit
- tpd_led_update
- tpd_led_set
- read_tpd_led_state
- tpd_led_get
- kbd_led_update
- kbd_led_read
- do_kbd_led_set
- kbd_led_set
- kbd_led_set_by_kbd
- kbd_led_get
- wlan_led_unknown_state
- wlan_led_update
- wlan_led_set
- wlan_led_get
- lightbar_led_update
- lightbar_led_set
- lightbar_led_get
- asus_wmi_led_exit
- asus_wmi_led_init
- asus_wlan_rfkill_blocked
- asus_rfkill_hotplug
- asus_rfkill_notify
- asus_register_rfkill_notifier
- asus_unregister_rfkill_notifier
- asus_get_adapter_status
- asus_hotplug_work
- asus_setup_pci_hotplug
- asus_rfkill_set
- asus_rfkill_query
- asus_rfkill_wlan_set
- asus_new_rfkill
- asus_wmi_rfkill_exit
- asus_wmi_rfkill_init
- asus_wmi_set_xusb2pr
- asus_wmi_set_als
- asus_agfn_fan_speed_read
- asus_agfn_fan_speed_write
- asus_wmi_has_agfn_fan
- asus_fan_set_auto
- pwm1_show
- pwm1_store
- fan1_input_show
- pwm1_enable_show
- pwm1_enable_store
- fan1_label_show
- asus_hwmon_temp1
- asus_hwmon_sysfs_is_visible
- asus_wmi_hwmon_init
- asus_wmi_fan_init
- fan_boost_mode_check_present
- fan_boost_mode_write
- fan_boost_mode_switch_next
- fan_boost_mode_show
- fan_boost_mode_store
- read_backlight_power
- read_brightness_max
- read_brightness
- get_scalar_command
- update_bl_status
- asus_wmi_backlight_notify
- asus_wmi_backlight_init
- asus_wmi_backlight_exit
- is_display_toggle
- asus_wmi_has_fnlock_key
- asus_wmi_fnlock_update
- asus_wmi_get_event_code
- asus_wmi_handle_event_code
- asus_wmi_notify
- asus_wmi_notify_queue_flush
- store_sys_wmi
- show_sys_wmi
- cpufv_store
- asus_sysfs_is_visible
- asus_wmi_sysfs_exit
- asus_wmi_sysfs_init
- asus_wmi_platform_init
- show_dsts
- show_devs
- show_call
- asus_wmi_debugfs_open
- asus_wmi_debugfs_exit
- asus_wmi_debugfs_init
- asus_wmi_add
- asus_wmi_remove
- asus_hotk_thaw
- asus_hotk_resume
- asus_hotk_restore
- asus_wmi_probe
- asus_wmi_register_driver
- asus_wmi_unregister_driver
- asus_wmi_init
- asus_wmi_exit
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12
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/power_supply.h>
30 #include <linux/hwmon.h>
31 #include <linux/hwmon-sysfs.h>
32 #include <linux/debugfs.h>
33 #include <linux/seq_file.h>
34 #include <linux/platform_data/x86/asus-wmi.h>
35 #include <linux/platform_device.h>
36 #include <linux/thermal.h>
37 #include <linux/acpi.h>
38 #include <linux/dmi.h>
39
40 #include <acpi/battery.h>
41 #include <acpi/video.h>
42
43 #include "asus-wmi.h"
44
45 MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>, "
46 "Yong Wang <yong.y.wang@intel.com>");
47 MODULE_DESCRIPTION("Asus Generic WMI Driver");
48 MODULE_LICENSE("GPL");
49
50 #define to_asus_wmi_driver(pdrv) \
51 (container_of((pdrv), struct asus_wmi_driver, platform_driver))
52
53 #define ASUS_WMI_MGMT_GUID "97845ED0-4E6D-11DE-8A39-0800200C9A66"
54
55 #define NOTIFY_BRNUP_MIN 0x11
56 #define NOTIFY_BRNUP_MAX 0x1f
57 #define NOTIFY_BRNDOWN_MIN 0x20
58 #define NOTIFY_BRNDOWN_MAX 0x2e
59 #define NOTIFY_FNLOCK_TOGGLE 0x4e
60 #define NOTIFY_KBD_BRTUP 0xc4
61 #define NOTIFY_KBD_BRTDWN 0xc5
62 #define NOTIFY_KBD_BRTTOGGLE 0xc7
63 #define NOTIFY_KBD_FBM 0x99
64
65 #define ASUS_WMI_FNLOCK_BIOS_DISABLED BIT(0)
66
67 #define ASUS_FAN_DESC "cpu_fan"
68 #define ASUS_FAN_MFUN 0x13
69 #define ASUS_FAN_SFUN_READ 0x06
70 #define ASUS_FAN_SFUN_WRITE 0x07
71
72
73 #define ASUS_FAN_CTRL_FULLSPEED 0
74 #define ASUS_FAN_CTRL_MANUAL 1
75 #define ASUS_FAN_CTRL_AUTO 2
76
77 #define ASUS_FAN_BOOST_MODE_NORMAL 0
78 #define ASUS_FAN_BOOST_MODE_OVERBOOST 1
79 #define ASUS_FAN_BOOST_MODE_OVERBOOST_MASK 0x01
80 #define ASUS_FAN_BOOST_MODE_SILENT 2
81 #define ASUS_FAN_BOOST_MODE_SILENT_MASK 0x02
82 #define ASUS_FAN_BOOST_MODES_MASK 0x03
83
84 #define USB_INTEL_XUSB2PR 0xD0
85 #define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI 0x9c31
86
87 #define ASUS_ACPI_UID_ASUSWMI "ASUSWMI"
88 #define ASUS_ACPI_UID_ATK "ATK"
89
90 #define WMI_EVENT_QUEUE_SIZE 0x10
91 #define WMI_EVENT_QUEUE_END 0x1
92 #define WMI_EVENT_MASK 0xFFFF
93
94 #define WMI_EVENT_VALUE_ATK 0xFF
95
96 #define WMI_EVENT_MASK 0xFFFF
97
98 static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
99
100 static bool ashs_present(void)
101 {
102 int i = 0;
103 while (ashs_ids[i]) {
104 if (acpi_dev_found(ashs_ids[i++]))
105 return true;
106 }
107 return false;
108 }
109
110 struct bios_args {
111 u32 arg0;
112 u32 arg1;
113 u32 arg2;
114 } __packed;
115
116
117
118
119
120 struct agfn_args {
121 u16 mfun;
122 u16 sfun;
123 u16 len;
124 u8 stas;
125 u8 err;
126 } __packed;
127
128
129 struct agfn_fan_args {
130 struct agfn_args agfn;
131 u8 fan;
132 u32 speed;
133 } __packed;
134
135
136
137
138
139
140
141
142
143
144 struct asus_wmi_debug {
145 struct dentry *root;
146 u32 method_id;
147 u32 dev_id;
148 u32 ctrl_param;
149 };
150
151 struct asus_rfkill {
152 struct asus_wmi *asus;
153 struct rfkill *rfkill;
154 u32 dev_id;
155 };
156
157 enum fan_type {
158 FAN_TYPE_NONE = 0,
159 FAN_TYPE_AGFN,
160 FAN_TYPE_SPEC83,
161 };
162
163 struct asus_wmi {
164 int dsts_id;
165 int spec;
166 int sfun;
167 bool wmi_event_queue;
168
169 struct input_dev *inputdev;
170 struct backlight_device *backlight_device;
171 struct platform_device *platform_device;
172
173 struct led_classdev wlan_led;
174 int wlan_led_wk;
175 struct led_classdev tpd_led;
176 int tpd_led_wk;
177 struct led_classdev kbd_led;
178 int kbd_led_wk;
179 struct led_classdev lightbar_led;
180 int lightbar_led_wk;
181 struct workqueue_struct *led_workqueue;
182 struct work_struct tpd_led_work;
183 struct work_struct wlan_led_work;
184 struct work_struct lightbar_led_work;
185
186 struct asus_rfkill wlan;
187 struct asus_rfkill bluetooth;
188 struct asus_rfkill wimax;
189 struct asus_rfkill wwan3g;
190 struct asus_rfkill gps;
191 struct asus_rfkill uwb;
192
193 enum fan_type fan_type;
194 int fan_pwm_mode;
195 int agfn_pwm;
196
197 bool fan_boost_mode_available;
198 u8 fan_boost_mode_mask;
199 u8 fan_boost_mode;
200
201
202 bool battery_rsoc_available;
203
204 struct hotplug_slot hotplug_slot;
205 struct mutex hotplug_lock;
206 struct mutex wmi_lock;
207 struct workqueue_struct *hotplug_workqueue;
208 struct work_struct hotplug_work;
209
210 bool fnlock_locked;
211
212 struct asus_wmi_debug debug;
213
214 struct asus_wmi_driver *driver;
215 };
216
217
218
219 static int asus_wmi_input_init(struct asus_wmi *asus)
220 {
221 int err;
222
223 asus->inputdev = input_allocate_device();
224 if (!asus->inputdev)
225 return -ENOMEM;
226
227 asus->inputdev->name = asus->driver->input_name;
228 asus->inputdev->phys = asus->driver->input_phys;
229 asus->inputdev->id.bustype = BUS_HOST;
230 asus->inputdev->dev.parent = &asus->platform_device->dev;
231 set_bit(EV_REP, asus->inputdev->evbit);
232
233 err = sparse_keymap_setup(asus->inputdev, asus->driver->keymap, NULL);
234 if (err)
235 goto err_free_dev;
236
237 err = input_register_device(asus->inputdev);
238 if (err)
239 goto err_free_dev;
240
241 return 0;
242
243 err_free_dev:
244 input_free_device(asus->inputdev);
245 return err;
246 }
247
248 static void asus_wmi_input_exit(struct asus_wmi *asus)
249 {
250 if (asus->inputdev)
251 input_unregister_device(asus->inputdev);
252
253 asus->inputdev = NULL;
254 }
255
256
257
258 static int asus_wmi_evaluate_method3(u32 method_id,
259 u32 arg0, u32 arg1, u32 arg2, u32 *retval)
260 {
261 struct bios_args args = {
262 .arg0 = arg0,
263 .arg1 = arg1,
264 .arg2 = arg2,
265 };
266 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
267 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
268 acpi_status status;
269 union acpi_object *obj;
270 u32 tmp = 0;
271
272 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID, 0, method_id,
273 &input, &output);
274
275 if (ACPI_FAILURE(status))
276 return -EIO;
277
278 obj = (union acpi_object *)output.pointer;
279 if (obj && obj->type == ACPI_TYPE_INTEGER)
280 tmp = (u32) obj->integer.value;
281
282 if (retval)
283 *retval = tmp;
284
285 kfree(obj);
286
287 if (tmp == ASUS_WMI_UNSUPPORTED_METHOD)
288 return -ENODEV;
289
290 return 0;
291 }
292
293 int asus_wmi_evaluate_method(u32 method_id, u32 arg0, u32 arg1, u32 *retval)
294 {
295 return asus_wmi_evaluate_method3(method_id, arg0, arg1, 0, retval);
296 }
297 EXPORT_SYMBOL_GPL(asus_wmi_evaluate_method);
298
299 static int asus_wmi_evaluate_method_agfn(const struct acpi_buffer args)
300 {
301 struct acpi_buffer input;
302 u64 phys_addr;
303 u32 retval;
304 u32 status = -1;
305
306
307
308
309
310 input.pointer = kmemdup(args.pointer, args.length, GFP_DMA | GFP_KERNEL);
311 input.length = args.length;
312 if (!input.pointer)
313 return -ENOMEM;
314 phys_addr = virt_to_phys(input.pointer);
315
316 status = asus_wmi_evaluate_method(ASUS_WMI_METHODID_AGFN,
317 phys_addr, 0, &retval);
318 if (!status)
319 memcpy(args.pointer, input.pointer, args.length);
320
321 kfree(input.pointer);
322 if (status)
323 return -ENXIO;
324
325 return retval;
326 }
327
328 static int asus_wmi_get_devstate(struct asus_wmi *asus, u32 dev_id, u32 *retval)
329 {
330 return asus_wmi_evaluate_method(asus->dsts_id, dev_id, 0, retval);
331 }
332
333 static int asus_wmi_set_devstate(u32 dev_id, u32 ctrl_param,
334 u32 *retval)
335 {
336 return asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS, dev_id,
337 ctrl_param, retval);
338 }
339
340
341 static int asus_wmi_get_devstate_bits(struct asus_wmi *asus,
342 u32 dev_id, u32 mask)
343 {
344 u32 retval = 0;
345 int err;
346
347 err = asus_wmi_get_devstate(asus, dev_id, &retval);
348 if (err < 0)
349 return err;
350
351 if (!(retval & ASUS_WMI_DSTS_PRESENCE_BIT))
352 return -ENODEV;
353
354 if (mask == ASUS_WMI_DSTS_STATUS_BIT) {
355 if (retval & ASUS_WMI_DSTS_UNKNOWN_BIT)
356 return -ENODEV;
357 }
358
359 return retval & mask;
360 }
361
362 static int asus_wmi_get_devstate_simple(struct asus_wmi *asus, u32 dev_id)
363 {
364 return asus_wmi_get_devstate_bits(asus, dev_id,
365 ASUS_WMI_DSTS_STATUS_BIT);
366 }
367
368 static bool asus_wmi_dev_is_present(struct asus_wmi *asus, u32 dev_id)
369 {
370 u32 retval;
371 int status = asus_wmi_get_devstate(asus, dev_id, &retval);
372
373 return status == 0 && (retval & ASUS_WMI_DSTS_PRESENCE_BIT);
374 }
375
376
377
378
379 static int charge_end_threshold;
380
381 static ssize_t charge_control_end_threshold_store(struct device *dev,
382 struct device_attribute *attr,
383 const char *buf, size_t count)
384 {
385 int value, ret, rv;
386
387 ret = kstrtouint(buf, 10, &value);
388 if (ret)
389 return ret;
390
391 if (value < 0 || value > 100)
392 return -EINVAL;
393
394 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, value, &rv);
395 if (ret)
396 return ret;
397
398 if (rv != 1)
399 return -EIO;
400
401
402
403
404 charge_end_threshold = value;
405 return count;
406 }
407
408 static ssize_t charge_control_end_threshold_show(struct device *device,
409 struct device_attribute *attr,
410 char *buf)
411 {
412 return sprintf(buf, "%d\n", charge_end_threshold);
413 }
414
415 static DEVICE_ATTR_RW(charge_control_end_threshold);
416
417 static int asus_wmi_battery_add(struct power_supply *battery)
418 {
419
420
421
422
423
424 if (strcmp(battery->desc->name, "BAT0") != 0 &&
425 strcmp(battery->desc->name, "BATT") != 0)
426 return -ENODEV;
427
428 if (device_create_file(&battery->dev,
429 &dev_attr_charge_control_end_threshold))
430 return -ENODEV;
431
432
433
434
435
436 asus_wmi_set_devstate(ASUS_WMI_DEVID_RSOC, 100, NULL);
437 charge_end_threshold = 100;
438
439 return 0;
440 }
441
442 static int asus_wmi_battery_remove(struct power_supply *battery)
443 {
444 device_remove_file(&battery->dev,
445 &dev_attr_charge_control_end_threshold);
446 return 0;
447 }
448
449 static struct acpi_battery_hook battery_hook = {
450 .add_battery = asus_wmi_battery_add,
451 .remove_battery = asus_wmi_battery_remove,
452 .name = "ASUS Battery Extension",
453 };
454
455 static void asus_wmi_battery_init(struct asus_wmi *asus)
456 {
457 asus->battery_rsoc_available = false;
458 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_RSOC)) {
459 asus->battery_rsoc_available = true;
460 battery_hook_register(&battery_hook);
461 }
462 }
463
464 static void asus_wmi_battery_exit(struct asus_wmi *asus)
465 {
466 if (asus->battery_rsoc_available)
467 battery_hook_unregister(&battery_hook);
468 }
469
470
471
472
473
474
475
476
477
478 static void tpd_led_update(struct work_struct *work)
479 {
480 int ctrl_param;
481 struct asus_wmi *asus;
482
483 asus = container_of(work, struct asus_wmi, tpd_led_work);
484
485 ctrl_param = asus->tpd_led_wk;
486 asus_wmi_set_devstate(ASUS_WMI_DEVID_TOUCHPAD_LED, ctrl_param, NULL);
487 }
488
489 static void tpd_led_set(struct led_classdev *led_cdev,
490 enum led_brightness value)
491 {
492 struct asus_wmi *asus;
493
494 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
495
496 asus->tpd_led_wk = !!value;
497 queue_work(asus->led_workqueue, &asus->tpd_led_work);
498 }
499
500 static int read_tpd_led_state(struct asus_wmi *asus)
501 {
502 return asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_TOUCHPAD_LED);
503 }
504
505 static enum led_brightness tpd_led_get(struct led_classdev *led_cdev)
506 {
507 struct asus_wmi *asus;
508
509 asus = container_of(led_cdev, struct asus_wmi, tpd_led);
510
511 return read_tpd_led_state(asus);
512 }
513
514 static void kbd_led_update(struct asus_wmi *asus)
515 {
516 int ctrl_param = 0;
517
518 ctrl_param = 0x80 | (asus->kbd_led_wk & 0x7F);
519 asus_wmi_set_devstate(ASUS_WMI_DEVID_KBD_BACKLIGHT, ctrl_param, NULL);
520 }
521
522 static int kbd_led_read(struct asus_wmi *asus, int *level, int *env)
523 {
524 int retval;
525
526
527
528
529
530
531
532 retval = asus_wmi_get_devstate_bits(asus, ASUS_WMI_DEVID_KBD_BACKLIGHT,
533 0xFFFF);
534
535
536 if (retval == 0x8000)
537 retval = 0;
538
539 if (retval < 0)
540 return retval;
541
542 if (level)
543 *level = retval & 0x7F;
544 if (env)
545 *env = (retval >> 8) & 0x7F;
546 return 0;
547 }
548
549 static void do_kbd_led_set(struct led_classdev *led_cdev, int value)
550 {
551 struct asus_wmi *asus;
552 int max_level;
553
554 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
555 max_level = asus->kbd_led.max_brightness;
556
557 asus->kbd_led_wk = clamp_val(value, 0, max_level);
558 kbd_led_update(asus);
559 }
560
561 static void kbd_led_set(struct led_classdev *led_cdev,
562 enum led_brightness value)
563 {
564
565 if (led_cdev->flags & LED_UNREGISTERING)
566 return;
567
568 do_kbd_led_set(led_cdev, value);
569 }
570
571 static void kbd_led_set_by_kbd(struct asus_wmi *asus, enum led_brightness value)
572 {
573 struct led_classdev *led_cdev = &asus->kbd_led;
574
575 do_kbd_led_set(led_cdev, value);
576 led_classdev_notify_brightness_hw_changed(led_cdev, asus->kbd_led_wk);
577 }
578
579 static enum led_brightness kbd_led_get(struct led_classdev *led_cdev)
580 {
581 struct asus_wmi *asus;
582 int retval, value;
583
584 asus = container_of(led_cdev, struct asus_wmi, kbd_led);
585
586 retval = kbd_led_read(asus, &value, NULL);
587 if (retval < 0)
588 return retval;
589
590 return value;
591 }
592
593 static int wlan_led_unknown_state(struct asus_wmi *asus)
594 {
595 u32 result;
596
597 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
598
599 return result & ASUS_WMI_DSTS_UNKNOWN_BIT;
600 }
601
602 static void wlan_led_update(struct work_struct *work)
603 {
604 int ctrl_param;
605 struct asus_wmi *asus;
606
607 asus = container_of(work, struct asus_wmi, wlan_led_work);
608
609 ctrl_param = asus->wlan_led_wk;
610 asus_wmi_set_devstate(ASUS_WMI_DEVID_WIRELESS_LED, ctrl_param, NULL);
611 }
612
613 static void wlan_led_set(struct led_classdev *led_cdev,
614 enum led_brightness value)
615 {
616 struct asus_wmi *asus;
617
618 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
619
620 asus->wlan_led_wk = !!value;
621 queue_work(asus->led_workqueue, &asus->wlan_led_work);
622 }
623
624 static enum led_brightness wlan_led_get(struct led_classdev *led_cdev)
625 {
626 struct asus_wmi *asus;
627 u32 result;
628
629 asus = container_of(led_cdev, struct asus_wmi, wlan_led);
630 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WIRELESS_LED, &result);
631
632 return result & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
633 }
634
635 static void lightbar_led_update(struct work_struct *work)
636 {
637 struct asus_wmi *asus;
638 int ctrl_param;
639
640 asus = container_of(work, struct asus_wmi, lightbar_led_work);
641
642 ctrl_param = asus->lightbar_led_wk;
643 asus_wmi_set_devstate(ASUS_WMI_DEVID_LIGHTBAR, ctrl_param, NULL);
644 }
645
646 static void lightbar_led_set(struct led_classdev *led_cdev,
647 enum led_brightness value)
648 {
649 struct asus_wmi *asus;
650
651 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
652
653 asus->lightbar_led_wk = !!value;
654 queue_work(asus->led_workqueue, &asus->lightbar_led_work);
655 }
656
657 static enum led_brightness lightbar_led_get(struct led_classdev *led_cdev)
658 {
659 struct asus_wmi *asus;
660 u32 result;
661
662 asus = container_of(led_cdev, struct asus_wmi, lightbar_led);
663 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_LIGHTBAR, &result);
664
665 return result & ASUS_WMI_DSTS_LIGHTBAR_MASK;
666 }
667
668 static void asus_wmi_led_exit(struct asus_wmi *asus)
669 {
670 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
671 led_classdev_unregister(&asus->kbd_led);
672 if (!IS_ERR_OR_NULL(asus->tpd_led.dev))
673 led_classdev_unregister(&asus->tpd_led);
674 if (!IS_ERR_OR_NULL(asus->wlan_led.dev))
675 led_classdev_unregister(&asus->wlan_led);
676 if (!IS_ERR_OR_NULL(asus->lightbar_led.dev))
677 led_classdev_unregister(&asus->lightbar_led);
678 if (asus->led_workqueue)
679 destroy_workqueue(asus->led_workqueue);
680 }
681
682 static int asus_wmi_led_init(struct asus_wmi *asus)
683 {
684 int rv = 0, led_val;
685
686 asus->led_workqueue = create_singlethread_workqueue("led_workqueue");
687 if (!asus->led_workqueue)
688 return -ENOMEM;
689
690 if (read_tpd_led_state(asus) >= 0) {
691 INIT_WORK(&asus->tpd_led_work, tpd_led_update);
692
693 asus->tpd_led.name = "asus::touchpad";
694 asus->tpd_led.brightness_set = tpd_led_set;
695 asus->tpd_led.brightness_get = tpd_led_get;
696 asus->tpd_led.max_brightness = 1;
697
698 rv = led_classdev_register(&asus->platform_device->dev,
699 &asus->tpd_led);
700 if (rv)
701 goto error;
702 }
703
704 if (!kbd_led_read(asus, &led_val, NULL)) {
705 asus->kbd_led_wk = led_val;
706 asus->kbd_led.name = "asus::kbd_backlight";
707 asus->kbd_led.flags = LED_BRIGHT_HW_CHANGED;
708 asus->kbd_led.brightness_set = kbd_led_set;
709 asus->kbd_led.brightness_get = kbd_led_get;
710 asus->kbd_led.max_brightness = 3;
711
712 rv = led_classdev_register(&asus->platform_device->dev,
713 &asus->kbd_led);
714 if (rv)
715 goto error;
716 }
717
718 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_WIRELESS_LED)
719 && (asus->driver->quirks->wapf > 0)) {
720 INIT_WORK(&asus->wlan_led_work, wlan_led_update);
721
722 asus->wlan_led.name = "asus::wlan";
723 asus->wlan_led.brightness_set = wlan_led_set;
724 if (!wlan_led_unknown_state(asus))
725 asus->wlan_led.brightness_get = wlan_led_get;
726 asus->wlan_led.flags = LED_CORE_SUSPENDRESUME;
727 asus->wlan_led.max_brightness = 1;
728 asus->wlan_led.default_trigger = "asus-wlan";
729
730 rv = led_classdev_register(&asus->platform_device->dev,
731 &asus->wlan_led);
732 if (rv)
733 goto error;
734 }
735
736 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_LIGHTBAR)) {
737 INIT_WORK(&asus->lightbar_led_work, lightbar_led_update);
738
739 asus->lightbar_led.name = "asus::lightbar";
740 asus->lightbar_led.brightness_set = lightbar_led_set;
741 asus->lightbar_led.brightness_get = lightbar_led_get;
742 asus->lightbar_led.max_brightness = 1;
743
744 rv = led_classdev_register(&asus->platform_device->dev,
745 &asus->lightbar_led);
746 }
747
748 error:
749 if (rv)
750 asus_wmi_led_exit(asus);
751
752 return rv;
753 }
754
755
756
757
758
759
760 static bool asus_wlan_rfkill_blocked(struct asus_wmi *asus)
761 {
762 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
763
764 if (result < 0)
765 return false;
766 return !result;
767 }
768
769 static void asus_rfkill_hotplug(struct asus_wmi *asus)
770 {
771 struct pci_dev *dev;
772 struct pci_bus *bus;
773 bool blocked;
774 bool absent;
775 u32 l;
776
777 mutex_lock(&asus->wmi_lock);
778 blocked = asus_wlan_rfkill_blocked(asus);
779 mutex_unlock(&asus->wmi_lock);
780
781 mutex_lock(&asus->hotplug_lock);
782 pci_lock_rescan_remove();
783
784 if (asus->wlan.rfkill)
785 rfkill_set_sw_state(asus->wlan.rfkill, blocked);
786
787 if (asus->hotplug_slot.ops) {
788 bus = pci_find_bus(0, 1);
789 if (!bus) {
790 pr_warn("Unable to find PCI bus 1?\n");
791 goto out_unlock;
792 }
793
794 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
795 pr_err("Unable to read PCI config space?\n");
796 goto out_unlock;
797 }
798 absent = (l == 0xffffffff);
799
800 if (blocked != absent) {
801 pr_warn("BIOS says wireless lan is %s, "
802 "but the pci device is %s\n",
803 blocked ? "blocked" : "unblocked",
804 absent ? "absent" : "present");
805 pr_warn("skipped wireless hotplug as probably "
806 "inappropriate for this model\n");
807 goto out_unlock;
808 }
809
810 if (!blocked) {
811 dev = pci_get_slot(bus, 0);
812 if (dev) {
813
814 pci_dev_put(dev);
815 goto out_unlock;
816 }
817 dev = pci_scan_single_device(bus, 0);
818 if (dev) {
819 pci_bus_assign_resources(bus);
820 pci_bus_add_device(dev);
821 }
822 } else {
823 dev = pci_get_slot(bus, 0);
824 if (dev) {
825 pci_stop_and_remove_bus_device(dev);
826 pci_dev_put(dev);
827 }
828 }
829 }
830
831 out_unlock:
832 pci_unlock_rescan_remove();
833 mutex_unlock(&asus->hotplug_lock);
834 }
835
836 static void asus_rfkill_notify(acpi_handle handle, u32 event, void *data)
837 {
838 struct asus_wmi *asus = data;
839
840 if (event != ACPI_NOTIFY_BUS_CHECK)
841 return;
842
843
844
845
846
847
848
849
850 queue_work(asus->hotplug_workqueue, &asus->hotplug_work);
851 }
852
853 static int asus_register_rfkill_notifier(struct asus_wmi *asus, char *node)
854 {
855 acpi_status status;
856 acpi_handle handle;
857
858 status = acpi_get_handle(NULL, node, &handle);
859 if (ACPI_FAILURE(status))
860 return -ENODEV;
861
862 status = acpi_install_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
863 asus_rfkill_notify, asus);
864 if (ACPI_FAILURE(status))
865 pr_warn("Failed to register notify on %s\n", node);
866
867 return 0;
868 }
869
870 static void asus_unregister_rfkill_notifier(struct asus_wmi *asus, char *node)
871 {
872 acpi_status status = AE_OK;
873 acpi_handle handle;
874
875 status = acpi_get_handle(NULL, node, &handle);
876 if (ACPI_FAILURE(status))
877 return;
878
879 status = acpi_remove_notify_handler(handle, ACPI_SYSTEM_NOTIFY,
880 asus_rfkill_notify);
881 if (ACPI_FAILURE(status))
882 pr_err("Error removing rfkill notify handler %s\n", node);
883 }
884
885 static int asus_get_adapter_status(struct hotplug_slot *hotplug_slot,
886 u8 *value)
887 {
888 struct asus_wmi *asus = container_of(hotplug_slot,
889 struct asus_wmi, hotplug_slot);
890 int result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
891
892 if (result < 0)
893 return result;
894
895 *value = !!result;
896 return 0;
897 }
898
899 static const struct hotplug_slot_ops asus_hotplug_slot_ops = {
900 .get_adapter_status = asus_get_adapter_status,
901 .get_power_status = asus_get_adapter_status,
902 };
903
904 static void asus_hotplug_work(struct work_struct *work)
905 {
906 struct asus_wmi *asus;
907
908 asus = container_of(work, struct asus_wmi, hotplug_work);
909 asus_rfkill_hotplug(asus);
910 }
911
912 static int asus_setup_pci_hotplug(struct asus_wmi *asus)
913 {
914 int ret = -ENOMEM;
915 struct pci_bus *bus = pci_find_bus(0, 1);
916
917 if (!bus) {
918 pr_err("Unable to find wifi PCI bus\n");
919 return -ENODEV;
920 }
921
922 asus->hotplug_workqueue =
923 create_singlethread_workqueue("hotplug_workqueue");
924 if (!asus->hotplug_workqueue)
925 goto error_workqueue;
926
927 INIT_WORK(&asus->hotplug_work, asus_hotplug_work);
928
929 asus->hotplug_slot.ops = &asus_hotplug_slot_ops;
930
931 ret = pci_hp_register(&asus->hotplug_slot, bus, 0, "asus-wifi");
932 if (ret) {
933 pr_err("Unable to register hotplug slot - %d\n", ret);
934 goto error_register;
935 }
936
937 return 0;
938
939 error_register:
940 asus->hotplug_slot.ops = NULL;
941 destroy_workqueue(asus->hotplug_workqueue);
942 error_workqueue:
943 return ret;
944 }
945
946
947
948
949 static int asus_rfkill_set(void *data, bool blocked)
950 {
951 struct asus_rfkill *priv = data;
952 u32 ctrl_param = !blocked;
953 u32 dev_id = priv->dev_id;
954
955
956
957
958
959
960
961
962
963 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
964 priv->asus->driver->wlan_ctrl_by_user)
965 dev_id = ASUS_WMI_DEVID_WLAN_LED;
966
967 return asus_wmi_set_devstate(dev_id, ctrl_param, NULL);
968 }
969
970 static void asus_rfkill_query(struct rfkill *rfkill, void *data)
971 {
972 struct asus_rfkill *priv = data;
973 int result;
974
975 result = asus_wmi_get_devstate_simple(priv->asus, priv->dev_id);
976
977 if (result < 0)
978 return;
979
980 rfkill_set_sw_state(priv->rfkill, !result);
981 }
982
983 static int asus_rfkill_wlan_set(void *data, bool blocked)
984 {
985 struct asus_rfkill *priv = data;
986 struct asus_wmi *asus = priv->asus;
987 int ret;
988
989
990
991
992
993
994
995
996 mutex_lock(&asus->wmi_lock);
997 ret = asus_rfkill_set(data, blocked);
998 mutex_unlock(&asus->wmi_lock);
999 return ret;
1000 }
1001
1002 static const struct rfkill_ops asus_rfkill_wlan_ops = {
1003 .set_block = asus_rfkill_wlan_set,
1004 .query = asus_rfkill_query,
1005 };
1006
1007 static const struct rfkill_ops asus_rfkill_ops = {
1008 .set_block = asus_rfkill_set,
1009 .query = asus_rfkill_query,
1010 };
1011
1012 static int asus_new_rfkill(struct asus_wmi *asus,
1013 struct asus_rfkill *arfkill,
1014 const char *name, enum rfkill_type type, int dev_id)
1015 {
1016 int result = asus_wmi_get_devstate_simple(asus, dev_id);
1017 struct rfkill **rfkill = &arfkill->rfkill;
1018
1019 if (result < 0)
1020 return result;
1021
1022 arfkill->dev_id = dev_id;
1023 arfkill->asus = asus;
1024
1025 if (dev_id == ASUS_WMI_DEVID_WLAN &&
1026 asus->driver->quirks->hotplug_wireless)
1027 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1028 &asus_rfkill_wlan_ops, arfkill);
1029 else
1030 *rfkill = rfkill_alloc(name, &asus->platform_device->dev, type,
1031 &asus_rfkill_ops, arfkill);
1032
1033 if (!*rfkill)
1034 return -EINVAL;
1035
1036 if ((dev_id == ASUS_WMI_DEVID_WLAN) &&
1037 (asus->driver->quirks->wapf > 0))
1038 rfkill_set_led_trigger_name(*rfkill, "asus-wlan");
1039
1040 rfkill_init_sw_state(*rfkill, !result);
1041 result = rfkill_register(*rfkill);
1042 if (result) {
1043 rfkill_destroy(*rfkill);
1044 *rfkill = NULL;
1045 return result;
1046 }
1047 return 0;
1048 }
1049
1050 static void asus_wmi_rfkill_exit(struct asus_wmi *asus)
1051 {
1052 if (asus->driver->wlan_ctrl_by_user && ashs_present())
1053 return;
1054
1055 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1056 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1057 asus_unregister_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1058 if (asus->wlan.rfkill) {
1059 rfkill_unregister(asus->wlan.rfkill);
1060 rfkill_destroy(asus->wlan.rfkill);
1061 asus->wlan.rfkill = NULL;
1062 }
1063
1064
1065
1066
1067 asus_rfkill_hotplug(asus);
1068 if (asus->hotplug_slot.ops)
1069 pci_hp_deregister(&asus->hotplug_slot);
1070 if (asus->hotplug_workqueue)
1071 destroy_workqueue(asus->hotplug_workqueue);
1072
1073 if (asus->bluetooth.rfkill) {
1074 rfkill_unregister(asus->bluetooth.rfkill);
1075 rfkill_destroy(asus->bluetooth.rfkill);
1076 asus->bluetooth.rfkill = NULL;
1077 }
1078 if (asus->wimax.rfkill) {
1079 rfkill_unregister(asus->wimax.rfkill);
1080 rfkill_destroy(asus->wimax.rfkill);
1081 asus->wimax.rfkill = NULL;
1082 }
1083 if (asus->wwan3g.rfkill) {
1084 rfkill_unregister(asus->wwan3g.rfkill);
1085 rfkill_destroy(asus->wwan3g.rfkill);
1086 asus->wwan3g.rfkill = NULL;
1087 }
1088 if (asus->gps.rfkill) {
1089 rfkill_unregister(asus->gps.rfkill);
1090 rfkill_destroy(asus->gps.rfkill);
1091 asus->gps.rfkill = NULL;
1092 }
1093 if (asus->uwb.rfkill) {
1094 rfkill_unregister(asus->uwb.rfkill);
1095 rfkill_destroy(asus->uwb.rfkill);
1096 asus->uwb.rfkill = NULL;
1097 }
1098 }
1099
1100 static int asus_wmi_rfkill_init(struct asus_wmi *asus)
1101 {
1102 int result = 0;
1103
1104 mutex_init(&asus->hotplug_lock);
1105 mutex_init(&asus->wmi_lock);
1106
1107 result = asus_new_rfkill(asus, &asus->wlan, "asus-wlan",
1108 RFKILL_TYPE_WLAN, ASUS_WMI_DEVID_WLAN);
1109
1110 if (result && result != -ENODEV)
1111 goto exit;
1112
1113 result = asus_new_rfkill(asus, &asus->bluetooth,
1114 "asus-bluetooth", RFKILL_TYPE_BLUETOOTH,
1115 ASUS_WMI_DEVID_BLUETOOTH);
1116
1117 if (result && result != -ENODEV)
1118 goto exit;
1119
1120 result = asus_new_rfkill(asus, &asus->wimax, "asus-wimax",
1121 RFKILL_TYPE_WIMAX, ASUS_WMI_DEVID_WIMAX);
1122
1123 if (result && result != -ENODEV)
1124 goto exit;
1125
1126 result = asus_new_rfkill(asus, &asus->wwan3g, "asus-wwan3g",
1127 RFKILL_TYPE_WWAN, ASUS_WMI_DEVID_WWAN3G);
1128
1129 if (result && result != -ENODEV)
1130 goto exit;
1131
1132 result = asus_new_rfkill(asus, &asus->gps, "asus-gps",
1133 RFKILL_TYPE_GPS, ASUS_WMI_DEVID_GPS);
1134
1135 if (result && result != -ENODEV)
1136 goto exit;
1137
1138 result = asus_new_rfkill(asus, &asus->uwb, "asus-uwb",
1139 RFKILL_TYPE_UWB, ASUS_WMI_DEVID_UWB);
1140
1141 if (result && result != -ENODEV)
1142 goto exit;
1143
1144 if (!asus->driver->quirks->hotplug_wireless)
1145 goto exit;
1146
1147 result = asus_setup_pci_hotplug(asus);
1148
1149
1150
1151
1152 if (result == -EBUSY)
1153 result = 0;
1154
1155 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P5");
1156 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P6");
1157 asus_register_rfkill_notifier(asus, "\\_SB.PCI0.P0P7");
1158
1159
1160
1161
1162 asus_rfkill_hotplug(asus);
1163
1164 exit:
1165 if (result && result != -ENODEV)
1166 asus_wmi_rfkill_exit(asus);
1167
1168 if (result == -ENODEV)
1169 result = 0;
1170
1171 return result;
1172 }
1173
1174
1175
1176 static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
1177 {
1178 struct pci_dev *xhci_pdev;
1179 u32 orig_ports_available;
1180 u32 ports_available = asus->driver->quirks->xusb2pr;
1181
1182 xhci_pdev = pci_get_device(PCI_VENDOR_ID_INTEL,
1183 PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_XHCI,
1184 NULL);
1185
1186 if (!xhci_pdev)
1187 return;
1188
1189 pci_read_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1190 &orig_ports_available);
1191
1192 pci_write_config_dword(xhci_pdev, USB_INTEL_XUSB2PR,
1193 cpu_to_le32(ports_available));
1194
1195 pr_info("set USB_INTEL_XUSB2PR old: 0x%04x, new: 0x%04x\n",
1196 orig_ports_available, ports_available);
1197 }
1198
1199
1200
1201
1202
1203 static void asus_wmi_set_als(void)
1204 {
1205 asus_wmi_set_devstate(ASUS_WMI_DEVID_ALS_ENABLE, 1, NULL);
1206 }
1207
1208
1209
1210 static int asus_agfn_fan_speed_read(struct asus_wmi *asus, int fan,
1211 int *speed)
1212 {
1213 struct agfn_fan_args args = {
1214 .agfn.len = sizeof(args),
1215 .agfn.mfun = ASUS_FAN_MFUN,
1216 .agfn.sfun = ASUS_FAN_SFUN_READ,
1217 .fan = fan,
1218 .speed = 0,
1219 };
1220 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1221 int status;
1222
1223 if (fan != 1)
1224 return -EINVAL;
1225
1226 status = asus_wmi_evaluate_method_agfn(input);
1227
1228 if (status || args.agfn.err)
1229 return -ENXIO;
1230
1231 if (speed)
1232 *speed = args.speed;
1233
1234 return 0;
1235 }
1236
1237 static int asus_agfn_fan_speed_write(struct asus_wmi *asus, int fan,
1238 int *speed)
1239 {
1240 struct agfn_fan_args args = {
1241 .agfn.len = sizeof(args),
1242 .agfn.mfun = ASUS_FAN_MFUN,
1243 .agfn.sfun = ASUS_FAN_SFUN_WRITE,
1244 .fan = fan,
1245 .speed = speed ? *speed : 0,
1246 };
1247 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
1248 int status;
1249
1250
1251 if (fan != 1 && fan != 0)
1252 return -EINVAL;
1253
1254 status = asus_wmi_evaluate_method_agfn(input);
1255
1256 if (status || args.agfn.err)
1257 return -ENXIO;
1258
1259 if (speed && fan == 1)
1260 asus->agfn_pwm = *speed;
1261
1262 return 0;
1263 }
1264
1265
1266
1267
1268
1269 static bool asus_wmi_has_agfn_fan(struct asus_wmi *asus)
1270 {
1271 int status;
1272 int speed;
1273 u32 value;
1274
1275 status = asus_agfn_fan_speed_read(asus, 1, &speed);
1276 if (status != 0)
1277 return false;
1278
1279 status = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1280 if (status != 0)
1281 return false;
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291 return !(value == ASUS_WMI_UNSUPPORTED_METHOD || value & 0xFFF80000
1292 || (!asus->sfun && !(value & ASUS_WMI_DSTS_PRESENCE_BIT)));
1293 }
1294
1295 static int asus_fan_set_auto(struct asus_wmi *asus)
1296 {
1297 int status;
1298 u32 retval;
1299
1300 switch (asus->fan_type) {
1301 case FAN_TYPE_SPEC83:
1302 status = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
1303 0, &retval);
1304 if (status)
1305 return status;
1306
1307 if (retval != 1)
1308 return -EIO;
1309 break;
1310
1311 case FAN_TYPE_AGFN:
1312 status = asus_agfn_fan_speed_write(asus, 0, NULL);
1313 if (status)
1314 return -ENXIO;
1315 break;
1316
1317 default:
1318 return -ENXIO;
1319 }
1320
1321
1322 return 0;
1323 }
1324
1325 static ssize_t pwm1_show(struct device *dev,
1326 struct device_attribute *attr,
1327 char *buf)
1328 {
1329 struct asus_wmi *asus = dev_get_drvdata(dev);
1330 int err;
1331 int value;
1332
1333
1334 if (asus->agfn_pwm >= 0)
1335 return sprintf(buf, "%d\n", asus->agfn_pwm);
1336
1337
1338
1339
1340
1341 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_CTRL, &value);
1342 if (err < 0)
1343 return err;
1344
1345 value &= 0xFF;
1346
1347 if (value == 1)
1348 value = 85;
1349 else if (value == 2)
1350 value = 170;
1351 else if (value == 3)
1352 value = 255;
1353 else if (value) {
1354 pr_err("Unknown fan speed %#x\n", value);
1355 value = -1;
1356 }
1357
1358 return sprintf(buf, "%d\n", value);
1359 }
1360
1361 static ssize_t pwm1_store(struct device *dev,
1362 struct device_attribute *attr,
1363 const char *buf, size_t count) {
1364 struct asus_wmi *asus = dev_get_drvdata(dev);
1365 int value;
1366 int state;
1367 int ret;
1368
1369 ret = kstrtouint(buf, 10, &value);
1370 if (ret)
1371 return ret;
1372
1373 value = clamp(value, 0, 255);
1374
1375 state = asus_agfn_fan_speed_write(asus, 1, &value);
1376 if (state)
1377 pr_warn("Setting fan speed failed: %d\n", state);
1378 else
1379 asus->fan_pwm_mode = ASUS_FAN_CTRL_MANUAL;
1380
1381 return count;
1382 }
1383
1384 static ssize_t fan1_input_show(struct device *dev,
1385 struct device_attribute *attr,
1386 char *buf)
1387 {
1388 struct asus_wmi *asus = dev_get_drvdata(dev);
1389 int value;
1390 int ret;
1391
1392 switch (asus->fan_type) {
1393 case FAN_TYPE_SPEC83:
1394 ret = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL,
1395 &value);
1396 if (ret < 0)
1397 return ret;
1398
1399 value &= 0xffff;
1400 break;
1401
1402 case FAN_TYPE_AGFN:
1403
1404 if (asus->fan_pwm_mode == ASUS_FAN_CTRL_MANUAL)
1405 return -ENXIO;
1406
1407 ret = asus_agfn_fan_speed_read(asus, 1, &value);
1408 if (ret) {
1409 pr_warn("reading fan speed failed: %d\n", ret);
1410 return -ENXIO;
1411 }
1412 break;
1413
1414 default:
1415 return -ENXIO;
1416 }
1417
1418 return sprintf(buf, "%d\n", value < 0 ? -1 : value*100);
1419 }
1420
1421 static ssize_t pwm1_enable_show(struct device *dev,
1422 struct device_attribute *attr,
1423 char *buf)
1424 {
1425 struct asus_wmi *asus = dev_get_drvdata(dev);
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436 return sprintf(buf, "%d\n", asus->fan_pwm_mode);
1437 }
1438
1439 static ssize_t pwm1_enable_store(struct device *dev,
1440 struct device_attribute *attr,
1441 const char *buf, size_t count)
1442 {
1443 struct asus_wmi *asus = dev_get_drvdata(dev);
1444 int status = 0;
1445 int state;
1446 int value;
1447 int ret;
1448 u32 retval;
1449
1450 ret = kstrtouint(buf, 10, &state);
1451 if (ret)
1452 return ret;
1453
1454 if (asus->fan_type == FAN_TYPE_SPEC83) {
1455 switch (state) {
1456 case ASUS_FAN_CTRL_FULLSPEED:
1457 value = 1;
1458 break;
1459 case ASUS_FAN_CTRL_AUTO:
1460 value = 0;
1461 break;
1462 default:
1463 return -EINVAL;
1464 }
1465
1466 ret = asus_wmi_set_devstate(ASUS_WMI_DEVID_CPU_FAN_CTRL,
1467 value, &retval);
1468 if (ret)
1469 return ret;
1470
1471 if (retval != 1)
1472 return -EIO;
1473 } else if (asus->fan_type == FAN_TYPE_AGFN) {
1474 switch (state) {
1475 case ASUS_FAN_CTRL_MANUAL:
1476 break;
1477
1478 case ASUS_FAN_CTRL_AUTO:
1479 status = asus_fan_set_auto(asus);
1480 if (status)
1481 return status;
1482 break;
1483
1484 default:
1485 return -EINVAL;
1486 }
1487 }
1488
1489 asus->fan_pwm_mode = state;
1490 return count;
1491 }
1492
1493 static ssize_t fan1_label_show(struct device *dev,
1494 struct device_attribute *attr,
1495 char *buf)
1496 {
1497 return sprintf(buf, "%s\n", ASUS_FAN_DESC);
1498 }
1499
1500 static ssize_t asus_hwmon_temp1(struct device *dev,
1501 struct device_attribute *attr,
1502 char *buf)
1503 {
1504 struct asus_wmi *asus = dev_get_drvdata(dev);
1505 u32 value;
1506 int err;
1507
1508 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_THERMAL_CTRL, &value);
1509 if (err < 0)
1510 return err;
1511
1512 value = DECI_KELVIN_TO_CELSIUS((value & 0xFFFF)) * 1000;
1513
1514 return sprintf(buf, "%d\n", value);
1515 }
1516
1517
1518 static DEVICE_ATTR_RW(pwm1);
1519 static DEVICE_ATTR_RW(pwm1_enable);
1520 static DEVICE_ATTR_RO(fan1_input);
1521 static DEVICE_ATTR_RO(fan1_label);
1522
1523
1524 static DEVICE_ATTR(temp1_input, S_IRUGO, asus_hwmon_temp1, NULL);
1525
1526 static struct attribute *hwmon_attributes[] = {
1527 &dev_attr_pwm1.attr,
1528 &dev_attr_pwm1_enable.attr,
1529 &dev_attr_fan1_input.attr,
1530 &dev_attr_fan1_label.attr,
1531
1532 &dev_attr_temp1_input.attr,
1533 NULL
1534 };
1535
1536 static umode_t asus_hwmon_sysfs_is_visible(struct kobject *kobj,
1537 struct attribute *attr, int idx)
1538 {
1539 struct device *dev = container_of(kobj, struct device, kobj);
1540 struct asus_wmi *asus = dev_get_drvdata(dev->parent);
1541 u32 value = ASUS_WMI_UNSUPPORTED_METHOD;
1542
1543 if (attr == &dev_attr_pwm1.attr) {
1544 if (asus->fan_type != FAN_TYPE_AGFN)
1545 return 0;
1546 } else if (attr == &dev_attr_fan1_input.attr
1547 || attr == &dev_attr_fan1_label.attr
1548 || attr == &dev_attr_pwm1_enable.attr) {
1549 if (asus->fan_type == FAN_TYPE_NONE)
1550 return 0;
1551 } else if (attr == &dev_attr_temp1_input.attr) {
1552 int err = asus_wmi_get_devstate(asus,
1553 ASUS_WMI_DEVID_THERMAL_CTRL,
1554 &value);
1555
1556 if (err < 0)
1557 return 0;
1558
1559
1560
1561
1562
1563 if (value == 0 || value == 1)
1564 return 0;
1565 }
1566
1567 return attr->mode;
1568 }
1569
1570 static const struct attribute_group hwmon_attribute_group = {
1571 .is_visible = asus_hwmon_sysfs_is_visible,
1572 .attrs = hwmon_attributes
1573 };
1574 __ATTRIBUTE_GROUPS(hwmon_attribute);
1575
1576 static int asus_wmi_hwmon_init(struct asus_wmi *asus)
1577 {
1578 struct device *dev = &asus->platform_device->dev;
1579 struct device *hwmon;
1580
1581 hwmon = devm_hwmon_device_register_with_groups(dev, "asus", asus,
1582 hwmon_attribute_groups);
1583
1584 if (IS_ERR(hwmon)) {
1585 pr_err("Could not register asus hwmon device\n");
1586 return PTR_ERR(hwmon);
1587 }
1588 return 0;
1589 }
1590
1591 static int asus_wmi_fan_init(struct asus_wmi *asus)
1592 {
1593 asus->fan_type = FAN_TYPE_NONE;
1594 asus->agfn_pwm = -1;
1595
1596 if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CPU_FAN_CTRL))
1597 asus->fan_type = FAN_TYPE_SPEC83;
1598 else if (asus_wmi_has_agfn_fan(asus))
1599 asus->fan_type = FAN_TYPE_AGFN;
1600
1601 if (asus->fan_type == FAN_TYPE_NONE)
1602 return -ENODEV;
1603
1604 asus_fan_set_auto(asus);
1605 asus->fan_pwm_mode = ASUS_FAN_CTRL_AUTO;
1606 return 0;
1607 }
1608
1609
1610
1611 static int fan_boost_mode_check_present(struct asus_wmi *asus)
1612 {
1613 u32 result;
1614 int err;
1615
1616 asus->fan_boost_mode_available = false;
1617
1618 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FAN_BOOST_MODE,
1619 &result);
1620 if (err) {
1621 if (err == -ENODEV)
1622 return 0;
1623 else
1624 return err;
1625 }
1626
1627 if ((result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
1628 (result & ASUS_FAN_BOOST_MODES_MASK)) {
1629 asus->fan_boost_mode_available = true;
1630 asus->fan_boost_mode_mask = result & ASUS_FAN_BOOST_MODES_MASK;
1631 }
1632
1633 return 0;
1634 }
1635
1636 static int fan_boost_mode_write(struct asus_wmi *asus)
1637 {
1638 int err;
1639 u8 value;
1640 u32 retval;
1641
1642 value = asus->fan_boost_mode;
1643
1644 pr_info("Set fan boost mode: %u\n", value);
1645 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_FAN_BOOST_MODE, value,
1646 &retval);
1647 if (err) {
1648 pr_warn("Failed to set fan boost mode: %d\n", err);
1649 return err;
1650 }
1651
1652 if (retval != 1) {
1653 pr_warn("Failed to set fan boost mode (retval): 0x%x\n",
1654 retval);
1655 return -EIO;
1656 }
1657
1658 return 0;
1659 }
1660
1661 static int fan_boost_mode_switch_next(struct asus_wmi *asus)
1662 {
1663 u8 mask = asus->fan_boost_mode_mask;
1664
1665 if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_NORMAL) {
1666 if (mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK)
1667 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_OVERBOOST;
1668 else if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
1669 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
1670 } else if (asus->fan_boost_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
1671 if (mask & ASUS_FAN_BOOST_MODE_SILENT_MASK)
1672 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_SILENT;
1673 else
1674 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
1675 } else {
1676 asus->fan_boost_mode = ASUS_FAN_BOOST_MODE_NORMAL;
1677 }
1678
1679 return fan_boost_mode_write(asus);
1680 }
1681
1682 static ssize_t fan_boost_mode_show(struct device *dev,
1683 struct device_attribute *attr, char *buf)
1684 {
1685 struct asus_wmi *asus = dev_get_drvdata(dev);
1686
1687 return scnprintf(buf, PAGE_SIZE, "%d\n", asus->fan_boost_mode);
1688 }
1689
1690 static ssize_t fan_boost_mode_store(struct device *dev,
1691 struct device_attribute *attr,
1692 const char *buf, size_t count)
1693 {
1694 int result;
1695 u8 new_mode;
1696 struct asus_wmi *asus = dev_get_drvdata(dev);
1697 u8 mask = asus->fan_boost_mode_mask;
1698
1699 result = kstrtou8(buf, 10, &new_mode);
1700 if (result < 0) {
1701 pr_warn("Trying to store invalid value\n");
1702 return result;
1703 }
1704
1705 if (new_mode == ASUS_FAN_BOOST_MODE_OVERBOOST) {
1706 if (!(mask & ASUS_FAN_BOOST_MODE_OVERBOOST_MASK))
1707 return -EINVAL;
1708 } else if (new_mode == ASUS_FAN_BOOST_MODE_SILENT) {
1709 if (!(mask & ASUS_FAN_BOOST_MODE_SILENT_MASK))
1710 return -EINVAL;
1711 } else if (new_mode != ASUS_FAN_BOOST_MODE_NORMAL) {
1712 return -EINVAL;
1713 }
1714
1715 asus->fan_boost_mode = new_mode;
1716 fan_boost_mode_write(asus);
1717
1718 return result;
1719 }
1720
1721
1722 static DEVICE_ATTR_RW(fan_boost_mode);
1723
1724
1725
1726 static int read_backlight_power(struct asus_wmi *asus)
1727 {
1728 int ret;
1729
1730 if (asus->driver->quirks->store_backlight_power)
1731 ret = !asus->driver->panel_power;
1732 else
1733 ret = asus_wmi_get_devstate_simple(asus,
1734 ASUS_WMI_DEVID_BACKLIGHT);
1735
1736 if (ret < 0)
1737 return ret;
1738
1739 return ret ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN;
1740 }
1741
1742 static int read_brightness_max(struct asus_wmi *asus)
1743 {
1744 u32 retval;
1745 int err;
1746
1747 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
1748 if (err < 0)
1749 return err;
1750
1751 retval = retval & ASUS_WMI_DSTS_MAX_BRIGTH_MASK;
1752 retval >>= 8;
1753
1754 if (!retval)
1755 return -ENODEV;
1756
1757 return retval;
1758 }
1759
1760 static int read_brightness(struct backlight_device *bd)
1761 {
1762 struct asus_wmi *asus = bl_get_data(bd);
1763 u32 retval;
1764 int err;
1765
1766 err = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_BRIGHTNESS, &retval);
1767 if (err < 0)
1768 return err;
1769
1770 return retval & ASUS_WMI_DSTS_BRIGHTNESS_MASK;
1771 }
1772
1773 static u32 get_scalar_command(struct backlight_device *bd)
1774 {
1775 struct asus_wmi *asus = bl_get_data(bd);
1776 u32 ctrl_param = 0;
1777
1778 if ((asus->driver->brightness < bd->props.brightness) ||
1779 bd->props.brightness == bd->props.max_brightness)
1780 ctrl_param = 0x00008001;
1781 else if ((asus->driver->brightness > bd->props.brightness) ||
1782 bd->props.brightness == 0)
1783 ctrl_param = 0x00008000;
1784
1785 asus->driver->brightness = bd->props.brightness;
1786
1787 return ctrl_param;
1788 }
1789
1790 static int update_bl_status(struct backlight_device *bd)
1791 {
1792 struct asus_wmi *asus = bl_get_data(bd);
1793 u32 ctrl_param;
1794 int power, err = 0;
1795
1796 power = read_backlight_power(asus);
1797 if (power != -ENODEV && bd->props.power != power) {
1798 ctrl_param = !!(bd->props.power == FB_BLANK_UNBLANK);
1799 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT,
1800 ctrl_param, NULL);
1801 if (asus->driver->quirks->store_backlight_power)
1802 asus->driver->panel_power = bd->props.power;
1803
1804
1805
1806 if (asus->driver->quirks->scalar_panel_brightness)
1807 return err;
1808 }
1809
1810 if (asus->driver->quirks->scalar_panel_brightness)
1811 ctrl_param = get_scalar_command(bd);
1812 else
1813 ctrl_param = bd->props.brightness;
1814
1815 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BRIGHTNESS,
1816 ctrl_param, NULL);
1817
1818 return err;
1819 }
1820
1821 static const struct backlight_ops asus_wmi_bl_ops = {
1822 .get_brightness = read_brightness,
1823 .update_status = update_bl_status,
1824 };
1825
1826 static int asus_wmi_backlight_notify(struct asus_wmi *asus, int code)
1827 {
1828 struct backlight_device *bd = asus->backlight_device;
1829 int old = bd->props.brightness;
1830 int new = old;
1831
1832 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
1833 new = code - NOTIFY_BRNUP_MIN + 1;
1834 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
1835 new = code - NOTIFY_BRNDOWN_MIN;
1836
1837 bd->props.brightness = new;
1838 backlight_update_status(bd);
1839 backlight_force_update(bd, BACKLIGHT_UPDATE_HOTKEY);
1840
1841 return old;
1842 }
1843
1844 static int asus_wmi_backlight_init(struct asus_wmi *asus)
1845 {
1846 struct backlight_device *bd;
1847 struct backlight_properties props;
1848 int max;
1849 int power;
1850
1851 max = read_brightness_max(asus);
1852 if (max < 0)
1853 return max;
1854
1855 power = read_backlight_power(asus);
1856 if (power == -ENODEV)
1857 power = FB_BLANK_UNBLANK;
1858 else if (power < 0)
1859 return power;
1860
1861 memset(&props, 0, sizeof(struct backlight_properties));
1862 props.type = BACKLIGHT_PLATFORM;
1863 props.max_brightness = max;
1864 bd = backlight_device_register(asus->driver->name,
1865 &asus->platform_device->dev, asus,
1866 &asus_wmi_bl_ops, &props);
1867 if (IS_ERR(bd)) {
1868 pr_err("Could not register backlight device\n");
1869 return PTR_ERR(bd);
1870 }
1871
1872 asus->backlight_device = bd;
1873
1874 if (asus->driver->quirks->store_backlight_power)
1875 asus->driver->panel_power = power;
1876
1877 bd->props.brightness = read_brightness(bd);
1878 bd->props.power = power;
1879 backlight_update_status(bd);
1880
1881 asus->driver->brightness = bd->props.brightness;
1882
1883 return 0;
1884 }
1885
1886 static void asus_wmi_backlight_exit(struct asus_wmi *asus)
1887 {
1888 backlight_device_unregister(asus->backlight_device);
1889
1890 asus->backlight_device = NULL;
1891 }
1892
1893 static int is_display_toggle(int code)
1894 {
1895
1896 if ((code >= 0x61 && code <= 0x67) ||
1897 (code >= 0x8c && code <= 0x93) ||
1898 (code >= 0xa0 && code <= 0xa7) ||
1899 (code >= 0xd0 && code <= 0xd5))
1900 return 1;
1901
1902 return 0;
1903 }
1904
1905
1906
1907 static bool asus_wmi_has_fnlock_key(struct asus_wmi *asus)
1908 {
1909 u32 result;
1910
1911 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_FNLOCK, &result);
1912
1913 return (result & ASUS_WMI_DSTS_PRESENCE_BIT) &&
1914 !(result & ASUS_WMI_FNLOCK_BIOS_DISABLED);
1915 }
1916
1917 static void asus_wmi_fnlock_update(struct asus_wmi *asus)
1918 {
1919 int mode = asus->fnlock_locked;
1920
1921 asus_wmi_set_devstate(ASUS_WMI_DEVID_FNLOCK, mode, NULL);
1922 }
1923
1924
1925
1926 static int asus_wmi_get_event_code(u32 value)
1927 {
1928 struct acpi_buffer response = { ACPI_ALLOCATE_BUFFER, NULL };
1929 union acpi_object *obj;
1930 acpi_status status;
1931 int code;
1932
1933 status = wmi_get_event_data(value, &response);
1934 if (ACPI_FAILURE(status)) {
1935 pr_warn("Failed to get WMI notify code: %s\n",
1936 acpi_format_exception(status));
1937 return -EIO;
1938 }
1939
1940 obj = (union acpi_object *)response.pointer;
1941
1942 if (obj && obj->type == ACPI_TYPE_INTEGER)
1943 code = (int)(obj->integer.value & WMI_EVENT_MASK);
1944 else
1945 code = -EIO;
1946
1947 kfree(obj);
1948 return code;
1949 }
1950
1951 static void asus_wmi_handle_event_code(int code, struct asus_wmi *asus)
1952 {
1953 int orig_code;
1954 unsigned int key_value = 1;
1955 bool autorelease = 1;
1956
1957 orig_code = code;
1958
1959 if (asus->driver->key_filter) {
1960 asus->driver->key_filter(asus->driver, &code, &key_value,
1961 &autorelease);
1962 if (code == ASUS_WMI_KEY_IGNORE)
1963 return;
1964 }
1965
1966 if (code >= NOTIFY_BRNUP_MIN && code <= NOTIFY_BRNUP_MAX)
1967 code = ASUS_WMI_BRN_UP;
1968 else if (code >= NOTIFY_BRNDOWN_MIN && code <= NOTIFY_BRNDOWN_MAX)
1969 code = ASUS_WMI_BRN_DOWN;
1970
1971 if (code == ASUS_WMI_BRN_DOWN || code == ASUS_WMI_BRN_UP) {
1972 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
1973 asus_wmi_backlight_notify(asus, orig_code);
1974 return;
1975 }
1976 }
1977
1978 if (code == NOTIFY_KBD_BRTUP) {
1979 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
1980 return;
1981 }
1982 if (code == NOTIFY_KBD_BRTDWN) {
1983 kbd_led_set_by_kbd(asus, asus->kbd_led_wk - 1);
1984 return;
1985 }
1986 if (code == NOTIFY_KBD_BRTTOGGLE) {
1987 if (asus->kbd_led_wk == asus->kbd_led.max_brightness)
1988 kbd_led_set_by_kbd(asus, 0);
1989 else
1990 kbd_led_set_by_kbd(asus, asus->kbd_led_wk + 1);
1991 return;
1992 }
1993
1994 if (code == NOTIFY_FNLOCK_TOGGLE) {
1995 asus->fnlock_locked = !asus->fnlock_locked;
1996 asus_wmi_fnlock_update(asus);
1997 return;
1998 }
1999
2000 if (asus->fan_boost_mode_available && code == NOTIFY_KBD_FBM) {
2001 fan_boost_mode_switch_next(asus);
2002 return;
2003 }
2004
2005 if (is_display_toggle(code) && asus->driver->quirks->no_display_toggle)
2006 return;
2007
2008 if (!sparse_keymap_report_event(asus->inputdev, code,
2009 key_value, autorelease))
2010 pr_info("Unknown key %x pressed\n", code);
2011 }
2012
2013 static void asus_wmi_notify(u32 value, void *context)
2014 {
2015 struct asus_wmi *asus = context;
2016 int code;
2017 int i;
2018
2019 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
2020 code = asus_wmi_get_event_code(value);
2021 if (code < 0) {
2022 pr_warn("Failed to get notify code: %d\n", code);
2023 return;
2024 }
2025
2026 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
2027 return;
2028
2029 asus_wmi_handle_event_code(code, asus);
2030
2031
2032
2033
2034
2035 if (!asus->wmi_event_queue || value != WMI_EVENT_VALUE_ATK)
2036 return;
2037 }
2038
2039 pr_warn("Failed to process event queue, last code: 0x%x\n", code);
2040 }
2041
2042 static int asus_wmi_notify_queue_flush(struct asus_wmi *asus)
2043 {
2044 int code;
2045 int i;
2046
2047 for (i = 0; i < WMI_EVENT_QUEUE_SIZE + 1; i++) {
2048 code = asus_wmi_get_event_code(WMI_EVENT_VALUE_ATK);
2049 if (code < 0) {
2050 pr_warn("Failed to get event during flush: %d\n", code);
2051 return code;
2052 }
2053
2054 if (code == WMI_EVENT_QUEUE_END || code == WMI_EVENT_MASK)
2055 return 0;
2056 }
2057
2058 pr_warn("Failed to flush event queue\n");
2059 return -EIO;
2060 }
2061
2062
2063
2064 static ssize_t store_sys_wmi(struct asus_wmi *asus, int devid,
2065 const char *buf, size_t count)
2066 {
2067 u32 retval;
2068 int err, value;
2069
2070 value = asus_wmi_get_devstate_simple(asus, devid);
2071 if (value < 0)
2072 return value;
2073
2074 err = kstrtoint(buf, 0, &value);
2075 if (err)
2076 return err;
2077
2078 err = asus_wmi_set_devstate(devid, value, &retval);
2079 if (err < 0)
2080 return err;
2081
2082 return count;
2083 }
2084
2085 static ssize_t show_sys_wmi(struct asus_wmi *asus, int devid, char *buf)
2086 {
2087 int value = asus_wmi_get_devstate_simple(asus, devid);
2088
2089 if (value < 0)
2090 return value;
2091
2092 return sprintf(buf, "%d\n", value);
2093 }
2094
2095 #define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
2096 static ssize_t show_##_name(struct device *dev, \
2097 struct device_attribute *attr, \
2098 char *buf) \
2099 { \
2100 struct asus_wmi *asus = dev_get_drvdata(dev); \
2101 \
2102 return show_sys_wmi(asus, _cm, buf); \
2103 } \
2104 static ssize_t store_##_name(struct device *dev, \
2105 struct device_attribute *attr, \
2106 const char *buf, size_t count) \
2107 { \
2108 struct asus_wmi *asus = dev_get_drvdata(dev); \
2109 \
2110 return store_sys_wmi(asus, _cm, buf, count); \
2111 } \
2112 static struct device_attribute dev_attr_##_name = { \
2113 .attr = { \
2114 .name = __stringify(_name), \
2115 .mode = _mode }, \
2116 .show = show_##_name, \
2117 .store = store_##_name, \
2118 }
2119
2120 ASUS_WMI_CREATE_DEVICE_ATTR(touchpad, 0644, ASUS_WMI_DEVID_TOUCHPAD);
2121 ASUS_WMI_CREATE_DEVICE_ATTR(camera, 0644, ASUS_WMI_DEVID_CAMERA);
2122 ASUS_WMI_CREATE_DEVICE_ATTR(cardr, 0644, ASUS_WMI_DEVID_CARDREADER);
2123 ASUS_WMI_CREATE_DEVICE_ATTR(lid_resume, 0644, ASUS_WMI_DEVID_LID_RESUME);
2124 ASUS_WMI_CREATE_DEVICE_ATTR(als_enable, 0644, ASUS_WMI_DEVID_ALS_ENABLE);
2125
2126 static ssize_t cpufv_store(struct device *dev, struct device_attribute *attr,
2127 const char *buf, size_t count)
2128 {
2129 int value, rv;
2130
2131 rv = kstrtoint(buf, 0, &value);
2132 if (rv)
2133 return rv;
2134
2135 if (value < 0 || value > 2)
2136 return -EINVAL;
2137
2138 rv = asus_wmi_evaluate_method(ASUS_WMI_METHODID_CFVS, value, 0, NULL);
2139 if (rv < 0)
2140 return rv;
2141
2142 return count;
2143 }
2144
2145 static DEVICE_ATTR_WO(cpufv);
2146
2147 static struct attribute *platform_attributes[] = {
2148 &dev_attr_cpufv.attr,
2149 &dev_attr_camera.attr,
2150 &dev_attr_cardr.attr,
2151 &dev_attr_touchpad.attr,
2152 &dev_attr_lid_resume.attr,
2153 &dev_attr_als_enable.attr,
2154 &dev_attr_fan_boost_mode.attr,
2155 NULL
2156 };
2157
2158 static umode_t asus_sysfs_is_visible(struct kobject *kobj,
2159 struct attribute *attr, int idx)
2160 {
2161 struct device *dev = container_of(kobj, struct device, kobj);
2162 struct asus_wmi *asus = dev_get_drvdata(dev);
2163 bool ok = true;
2164 int devid = -1;
2165
2166 if (attr == &dev_attr_camera.attr)
2167 devid = ASUS_WMI_DEVID_CAMERA;
2168 else if (attr == &dev_attr_cardr.attr)
2169 devid = ASUS_WMI_DEVID_CARDREADER;
2170 else if (attr == &dev_attr_touchpad.attr)
2171 devid = ASUS_WMI_DEVID_TOUCHPAD;
2172 else if (attr == &dev_attr_lid_resume.attr)
2173 devid = ASUS_WMI_DEVID_LID_RESUME;
2174 else if (attr == &dev_attr_als_enable.attr)
2175 devid = ASUS_WMI_DEVID_ALS_ENABLE;
2176 else if (attr == &dev_attr_fan_boost_mode.attr)
2177 ok = asus->fan_boost_mode_available;
2178
2179 if (devid != -1)
2180 ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
2181
2182 return ok ? attr->mode : 0;
2183 }
2184
2185 static const struct attribute_group platform_attribute_group = {
2186 .is_visible = asus_sysfs_is_visible,
2187 .attrs = platform_attributes
2188 };
2189
2190 static void asus_wmi_sysfs_exit(struct platform_device *device)
2191 {
2192 sysfs_remove_group(&device->dev.kobj, &platform_attribute_group);
2193 }
2194
2195 static int asus_wmi_sysfs_init(struct platform_device *device)
2196 {
2197 return sysfs_create_group(&device->dev.kobj, &platform_attribute_group);
2198 }
2199
2200
2201
2202 static int asus_wmi_platform_init(struct asus_wmi *asus)
2203 {
2204 struct device *dev = &asus->platform_device->dev;
2205 char *wmi_uid;
2206 int rv;
2207
2208
2209 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_INIT, 0, 0, &rv))
2210 pr_info("Initialization: %#x\n", rv);
2211
2212
2213 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SPEC, 0, 0x9, &rv)) {
2214 pr_info("BIOS WMI version: %d.%d\n", rv >> 16, rv & 0xFF);
2215 asus->spec = rv;
2216 }
2217
2218
2219
2220
2221
2222
2223
2224 if (!asus_wmi_evaluate_method(ASUS_WMI_METHODID_SFUN, 0, 0, &rv)) {
2225 pr_info("SFUN value: %#x\n", rv);
2226 asus->sfun = rv;
2227 }
2228
2229
2230
2231
2232
2233
2234
2235
2236
2237
2238
2239
2240
2241
2242 wmi_uid = wmi_get_acpi_device_uid(ASUS_WMI_MGMT_GUID);
2243 if (!wmi_uid)
2244 return -ENODEV;
2245
2246 if (!strcmp(wmi_uid, ASUS_ACPI_UID_ASUSWMI)) {
2247 dev_info(dev, "Detected ASUSWMI, use DCTS\n");
2248 asus->dsts_id = ASUS_WMI_METHODID_DCTS;
2249 } else {
2250 dev_info(dev, "Detected %s, not ASUSWMI, use DSTS\n", wmi_uid);
2251 asus->dsts_id = ASUS_WMI_METHODID_DSTS;
2252 }
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263 wmi_uid = wmi_get_acpi_device_uid(asus->driver->event_guid);
2264 if (wmi_uid && !strcmp(wmi_uid, ASUS_ACPI_UID_ATK)) {
2265 dev_info(dev, "Detected ATK, enable event queue\n");
2266
2267 if (!asus_wmi_notify_queue_flush(asus))
2268 asus->wmi_event_queue = true;
2269 }
2270
2271
2272
2273 if (asus->driver->quirks->wapf >= 0)
2274 asus_wmi_set_devstate(ASUS_WMI_DEVID_CWAP,
2275 asus->driver->quirks->wapf, NULL);
2276
2277 return 0;
2278 }
2279
2280
2281
2282 struct asus_wmi_debugfs_node {
2283 struct asus_wmi *asus;
2284 char *name;
2285 int (*show) (struct seq_file *m, void *data);
2286 };
2287
2288 static int show_dsts(struct seq_file *m, void *data)
2289 {
2290 struct asus_wmi *asus = m->private;
2291 int err;
2292 u32 retval = -1;
2293
2294 err = asus_wmi_get_devstate(asus, asus->debug.dev_id, &retval);
2295 if (err < 0)
2296 return err;
2297
2298 seq_printf(m, "DSTS(%#x) = %#x\n", asus->debug.dev_id, retval);
2299
2300 return 0;
2301 }
2302
2303 static int show_devs(struct seq_file *m, void *data)
2304 {
2305 struct asus_wmi *asus = m->private;
2306 int err;
2307 u32 retval = -1;
2308
2309 err = asus_wmi_set_devstate(asus->debug.dev_id, asus->debug.ctrl_param,
2310 &retval);
2311 if (err < 0)
2312 return err;
2313
2314 seq_printf(m, "DEVS(%#x, %#x) = %#x\n", asus->debug.dev_id,
2315 asus->debug.ctrl_param, retval);
2316
2317 return 0;
2318 }
2319
2320 static int show_call(struct seq_file *m, void *data)
2321 {
2322 struct asus_wmi *asus = m->private;
2323 struct bios_args args = {
2324 .arg0 = asus->debug.dev_id,
2325 .arg1 = asus->debug.ctrl_param,
2326 };
2327 struct acpi_buffer input = { (acpi_size) sizeof(args), &args };
2328 struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
2329 union acpi_object *obj;
2330 acpi_status status;
2331
2332 status = wmi_evaluate_method(ASUS_WMI_MGMT_GUID,
2333 0, asus->debug.method_id,
2334 &input, &output);
2335
2336 if (ACPI_FAILURE(status))
2337 return -EIO;
2338
2339 obj = (union acpi_object *)output.pointer;
2340 if (obj && obj->type == ACPI_TYPE_INTEGER)
2341 seq_printf(m, "%#x(%#x, %#x) = %#x\n", asus->debug.method_id,
2342 asus->debug.dev_id, asus->debug.ctrl_param,
2343 (u32) obj->integer.value);
2344 else
2345 seq_printf(m, "%#x(%#x, %#x) = t:%d\n", asus->debug.method_id,
2346 asus->debug.dev_id, asus->debug.ctrl_param,
2347 obj ? obj->type : -1);
2348
2349 kfree(obj);
2350
2351 return 0;
2352 }
2353
2354 static struct asus_wmi_debugfs_node asus_wmi_debug_files[] = {
2355 {NULL, "devs", show_devs},
2356 {NULL, "dsts", show_dsts},
2357 {NULL, "call", show_call},
2358 };
2359
2360 static int asus_wmi_debugfs_open(struct inode *inode, struct file *file)
2361 {
2362 struct asus_wmi_debugfs_node *node = inode->i_private;
2363
2364 return single_open(file, node->show, node->asus);
2365 }
2366
2367 static const struct file_operations asus_wmi_debugfs_io_ops = {
2368 .owner = THIS_MODULE,
2369 .open = asus_wmi_debugfs_open,
2370 .read = seq_read,
2371 .llseek = seq_lseek,
2372 .release = single_release,
2373 };
2374
2375 static void asus_wmi_debugfs_exit(struct asus_wmi *asus)
2376 {
2377 debugfs_remove_recursive(asus->debug.root);
2378 }
2379
2380 static void asus_wmi_debugfs_init(struct asus_wmi *asus)
2381 {
2382 int i;
2383
2384 asus->debug.root = debugfs_create_dir(asus->driver->name, NULL);
2385
2386 debugfs_create_x32("method_id", S_IRUGO | S_IWUSR, asus->debug.root,
2387 &asus->debug.method_id);
2388
2389 debugfs_create_x32("dev_id", S_IRUGO | S_IWUSR, asus->debug.root,
2390 &asus->debug.dev_id);
2391
2392 debugfs_create_x32("ctrl_param", S_IRUGO | S_IWUSR, asus->debug.root,
2393 &asus->debug.ctrl_param);
2394
2395 for (i = 0; i < ARRAY_SIZE(asus_wmi_debug_files); i++) {
2396 struct asus_wmi_debugfs_node *node = &asus_wmi_debug_files[i];
2397
2398 node->asus = asus;
2399 debugfs_create_file(node->name, S_IFREG | S_IRUGO,
2400 asus->debug.root, node,
2401 &asus_wmi_debugfs_io_ops);
2402 }
2403 }
2404
2405
2406
2407 static int asus_wmi_add(struct platform_device *pdev)
2408 {
2409 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2410 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2411 struct asus_wmi *asus;
2412 const char *chassis_type;
2413 acpi_status status;
2414 int err;
2415 u32 result;
2416
2417 asus = kzalloc(sizeof(struct asus_wmi), GFP_KERNEL);
2418 if (!asus)
2419 return -ENOMEM;
2420
2421 asus->driver = wdrv;
2422 asus->platform_device = pdev;
2423 wdrv->platform_device = pdev;
2424 platform_set_drvdata(asus->platform_device, asus);
2425
2426 if (wdrv->detect_quirks)
2427 wdrv->detect_quirks(asus->driver);
2428
2429 err = asus_wmi_platform_init(asus);
2430 if (err)
2431 goto fail_platform;
2432
2433 err = fan_boost_mode_check_present(asus);
2434 if (err)
2435 goto fail_fan_boost_mode;
2436
2437 err = asus_wmi_sysfs_init(asus->platform_device);
2438 if (err)
2439 goto fail_sysfs;
2440
2441 err = asus_wmi_input_init(asus);
2442 if (err)
2443 goto fail_input;
2444
2445 err = asus_wmi_fan_init(asus);
2446
2447 err = asus_wmi_hwmon_init(asus);
2448 if (err)
2449 goto fail_hwmon;
2450
2451 err = asus_wmi_led_init(asus);
2452 if (err)
2453 goto fail_leds;
2454
2455 asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_WLAN, &result);
2456 if (result & (ASUS_WMI_DSTS_PRESENCE_BIT | ASUS_WMI_DSTS_USER_BIT))
2457 asus->driver->wlan_ctrl_by_user = 1;
2458
2459 if (!(asus->driver->wlan_ctrl_by_user && ashs_present())) {
2460 err = asus_wmi_rfkill_init(asus);
2461 if (err)
2462 goto fail_rfkill;
2463 }
2464
2465 if (asus->driver->quirks->wmi_force_als_set)
2466 asus_wmi_set_als();
2467
2468
2469
2470 chassis_type = dmi_get_system_info(DMI_CHASSIS_TYPE);
2471 if (chassis_type && !strcmp(chassis_type, "3"))
2472 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2473
2474 if (asus->driver->quirks->wmi_backlight_power)
2475 acpi_video_set_dmi_backlight_type(acpi_backlight_vendor);
2476
2477 if (asus->driver->quirks->wmi_backlight_native)
2478 acpi_video_set_dmi_backlight_type(acpi_backlight_native);
2479
2480 if (asus->driver->quirks->xusb2pr)
2481 asus_wmi_set_xusb2pr(asus);
2482
2483 if (acpi_video_get_backlight_type() == acpi_backlight_vendor) {
2484 err = asus_wmi_backlight_init(asus);
2485 if (err && err != -ENODEV)
2486 goto fail_backlight;
2487 } else if (asus->driver->quirks->wmi_backlight_set_devstate)
2488 err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BACKLIGHT, 2, NULL);
2489
2490 if (asus_wmi_has_fnlock_key(asus)) {
2491 asus->fnlock_locked = true;
2492 asus_wmi_fnlock_update(asus);
2493 }
2494
2495 status = wmi_install_notify_handler(asus->driver->event_guid,
2496 asus_wmi_notify, asus);
2497 if (ACPI_FAILURE(status)) {
2498 pr_err("Unable to register notify handler - %d\n", status);
2499 err = -ENODEV;
2500 goto fail_wmi_handler;
2501 }
2502
2503 asus_wmi_battery_init(asus);
2504
2505 asus_wmi_debugfs_init(asus);
2506
2507 return 0;
2508
2509 fail_wmi_handler:
2510 asus_wmi_backlight_exit(asus);
2511 fail_backlight:
2512 asus_wmi_rfkill_exit(asus);
2513 fail_rfkill:
2514 asus_wmi_led_exit(asus);
2515 fail_leds:
2516 fail_hwmon:
2517 asus_wmi_input_exit(asus);
2518 fail_input:
2519 asus_wmi_sysfs_exit(asus->platform_device);
2520 fail_sysfs:
2521 fail_fan_boost_mode:
2522 fail_platform:
2523 kfree(asus);
2524 return err;
2525 }
2526
2527 static int asus_wmi_remove(struct platform_device *device)
2528 {
2529 struct asus_wmi *asus;
2530
2531 asus = platform_get_drvdata(device);
2532 wmi_remove_notify_handler(asus->driver->event_guid);
2533 asus_wmi_backlight_exit(asus);
2534 asus_wmi_input_exit(asus);
2535 asus_wmi_led_exit(asus);
2536 asus_wmi_rfkill_exit(asus);
2537 asus_wmi_debugfs_exit(asus);
2538 asus_wmi_sysfs_exit(asus->platform_device);
2539 asus_fan_set_auto(asus);
2540 asus_wmi_battery_exit(asus);
2541
2542 kfree(asus);
2543 return 0;
2544 }
2545
2546
2547
2548 static int asus_hotk_thaw(struct device *device)
2549 {
2550 struct asus_wmi *asus = dev_get_drvdata(device);
2551
2552 if (asus->wlan.rfkill) {
2553 bool wlan;
2554
2555
2556
2557
2558
2559
2560 wlan = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WLAN);
2561 asus_wmi_set_devstate(ASUS_WMI_DEVID_WLAN, wlan, NULL);
2562 }
2563
2564 return 0;
2565 }
2566
2567 static int asus_hotk_resume(struct device *device)
2568 {
2569 struct asus_wmi *asus = dev_get_drvdata(device);
2570
2571 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
2572 kbd_led_update(asus);
2573
2574 if (asus_wmi_has_fnlock_key(asus))
2575 asus_wmi_fnlock_update(asus);
2576 return 0;
2577 }
2578
2579 static int asus_hotk_restore(struct device *device)
2580 {
2581 struct asus_wmi *asus = dev_get_drvdata(device);
2582 int bl;
2583
2584
2585 if (asus->wlan.rfkill)
2586 asus_rfkill_hotplug(asus);
2587
2588 if (asus->bluetooth.rfkill) {
2589 bl = !asus_wmi_get_devstate_simple(asus,
2590 ASUS_WMI_DEVID_BLUETOOTH);
2591 rfkill_set_sw_state(asus->bluetooth.rfkill, bl);
2592 }
2593 if (asus->wimax.rfkill) {
2594 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WIMAX);
2595 rfkill_set_sw_state(asus->wimax.rfkill, bl);
2596 }
2597 if (asus->wwan3g.rfkill) {
2598 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_WWAN3G);
2599 rfkill_set_sw_state(asus->wwan3g.rfkill, bl);
2600 }
2601 if (asus->gps.rfkill) {
2602 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPS);
2603 rfkill_set_sw_state(asus->gps.rfkill, bl);
2604 }
2605 if (asus->uwb.rfkill) {
2606 bl = !asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_UWB);
2607 rfkill_set_sw_state(asus->uwb.rfkill, bl);
2608 }
2609 if (!IS_ERR_OR_NULL(asus->kbd_led.dev))
2610 kbd_led_update(asus);
2611
2612 if (asus_wmi_has_fnlock_key(asus))
2613 asus_wmi_fnlock_update(asus);
2614 return 0;
2615 }
2616
2617 static const struct dev_pm_ops asus_pm_ops = {
2618 .thaw = asus_hotk_thaw,
2619 .restore = asus_hotk_restore,
2620 .resume = asus_hotk_resume,
2621 };
2622
2623
2624
2625 static int asus_wmi_probe(struct platform_device *pdev)
2626 {
2627 struct platform_driver *pdrv = to_platform_driver(pdev->dev.driver);
2628 struct asus_wmi_driver *wdrv = to_asus_wmi_driver(pdrv);
2629 int ret;
2630
2631 if (!wmi_has_guid(ASUS_WMI_MGMT_GUID)) {
2632 pr_warn("ASUS Management GUID not found\n");
2633 return -ENODEV;
2634 }
2635
2636 if (wdrv->event_guid && !wmi_has_guid(wdrv->event_guid)) {
2637 pr_warn("ASUS Event GUID not found\n");
2638 return -ENODEV;
2639 }
2640
2641 if (wdrv->probe) {
2642 ret = wdrv->probe(pdev);
2643 if (ret)
2644 return ret;
2645 }
2646
2647 return asus_wmi_add(pdev);
2648 }
2649
2650 static bool used;
2651
2652 int __init_or_module asus_wmi_register_driver(struct asus_wmi_driver *driver)
2653 {
2654 struct platform_driver *platform_driver;
2655 struct platform_device *platform_device;
2656
2657 if (used)
2658 return -EBUSY;
2659
2660 platform_driver = &driver->platform_driver;
2661 platform_driver->remove = asus_wmi_remove;
2662 platform_driver->driver.owner = driver->owner;
2663 platform_driver->driver.name = driver->name;
2664 platform_driver->driver.pm = &asus_pm_ops;
2665
2666 platform_device = platform_create_bundle(platform_driver,
2667 asus_wmi_probe,
2668 NULL, 0, NULL, 0);
2669 if (IS_ERR(platform_device))
2670 return PTR_ERR(platform_device);
2671
2672 used = true;
2673 return 0;
2674 }
2675 EXPORT_SYMBOL_GPL(asus_wmi_register_driver);
2676
2677 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver)
2678 {
2679 platform_device_unregister(driver->platform_device);
2680 platform_driver_unregister(&driver->platform_driver);
2681 used = false;
2682 }
2683 EXPORT_SYMBOL_GPL(asus_wmi_unregister_driver);
2684
2685 static int __init asus_wmi_init(void)
2686 {
2687 pr_info("ASUS WMI generic driver loaded\n");
2688 return 0;
2689 }
2690
2691 static void __exit asus_wmi_exit(void)
2692 {
2693 pr_info("ASUS WMI generic driver unloaded\n");
2694 }
2695
2696 module_init(asus_wmi_init);
2697 module_exit(asus_wmi_exit);