forked from Joshua-Riek/linux-rockchip
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathhid-asus.c
1162 lines (974 loc) · 31.4 KB
/
hid-asus.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* HID driver for Asus notebook built-in keyboard.
* Fixes small logical maximum to match usage maximum.
*
* Currently supported devices are:
* EeeBook X205TA
* VivoBook E200HA
*
* Copyright (c) 2016 Yusuke Fujimaki <[email protected]>
*
* This module based on hid-ortek by
* Copyright (c) 2010 Johnathon Harris <[email protected]>
* Copyright (c) 2011 Jiri Kosina
*
* This module has been updated to add support for Asus i2c touchpad.
*
* Copyright (c) 2016 Brendan McGrath <[email protected]>
* Copyright (c) 2016 Victor Vlasenko <[email protected]>
* Copyright (c) 2016 Frederik Wenigwieser <[email protected]>
*/
/*
*/
#include <linux/dmi.h>
#include <linux/hid.h>
#include <linux/module.h>
#include <linux/platform_data/x86/asus-wmi.h>
#include <linux/input/mt.h>
#include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
#include <linux/power_supply.h>
#include "hid-ids.h"
MODULE_AUTHOR("Yusuke Fujimaki <[email protected]>");
MODULE_AUTHOR("Brendan McGrath <[email protected]>");
MODULE_AUTHOR("Victor Vlasenko <[email protected]>");
MODULE_AUTHOR("Frederik Wenigwieser <[email protected]>");
MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
#define T100_TPAD_INTF 2
#define MEDION_E1239T_TPAD_INTF 1
#define E1239T_TP_TOGGLE_REPORT_ID 0x05
#define T100CHI_MOUSE_REPORT_ID 0x06
#define FEATURE_REPORT_ID 0x0d
#define INPUT_REPORT_ID 0x5d
#define FEATURE_KBD_REPORT_ID 0x5a
#define FEATURE_KBD_REPORT_SIZE 16
#define SUPPORT_KBD_BACKLIGHT BIT(0)
#define MAX_TOUCH_MAJOR 8
#define MAX_PRESSURE 128
#define BTN_LEFT_MASK 0x01
#define CONTACT_TOOL_TYPE_MASK 0x80
#define CONTACT_X_MSB_MASK 0xf0
#define CONTACT_Y_MSB_MASK 0x0f
#define CONTACT_TOUCH_MAJOR_MASK 0x07
#define CONTACT_PRESSURE_MASK 0x7f
#define BATTERY_REPORT_ID (0x03)
#define BATTERY_REPORT_SIZE (1 + 8)
#define BATTERY_LEVEL_MAX ((u8)255)
#define BATTERY_STAT_DISCONNECT (0)
#define BATTERY_STAT_CHARGING (1)
#define BATTERY_STAT_FULL (2)
#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
#define QUIRK_NO_INIT_REPORTS BIT(1)
#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
#define QUIRK_IS_MULTITOUCH BIT(3)
#define QUIRK_NO_CONSUMER_USAGES BIT(4)
#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
#define QUIRK_T100_KEYBOARD BIT(6)
#define QUIRK_T100CHI BIT(7)
#define QUIRK_G752_KEYBOARD BIT(8)
#define QUIRK_T101HA_DOCK BIT(9)
#define QUIRK_T90CHI BIT(10)
#define QUIRK_MEDION_E1239T BIT(11)
#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
QUIRK_NO_INIT_REPORTS | \
QUIRK_NO_CONSUMER_USAGES)
#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
QUIRK_SKIP_INPUT_MAPPING | \
QUIRK_IS_MULTITOUCH)
#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
struct asus_kbd_leds {
struct led_classdev cdev;
struct hid_device *hdev;
struct work_struct work;
unsigned int brightness;
bool removed;
};
struct asus_touchpad_info {
int max_x;
int max_y;
int res_x;
int res_y;
int contact_size;
int max_contacts;
int report_size;
};
struct asus_drvdata {
unsigned long quirks;
struct hid_device *hdev;
struct input_dev *input;
struct input_dev *tp_kbd_input;
struct asus_kbd_leds *kbd_backlight;
const struct asus_touchpad_info *tp;
bool enable_backlight;
struct power_supply *battery;
struct power_supply_desc battery_desc;
int battery_capacity;
int battery_stat;
bool battery_in_query;
unsigned long battery_next_query;
};
static int asus_report_battery(struct asus_drvdata *, u8 *, int);
static const struct asus_touchpad_info asus_i2c_tp = {
.max_x = 2794,
.max_y = 1758,
.contact_size = 5,
.max_contacts = 5,
.report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
};
static const struct asus_touchpad_info asus_t100ta_tp = {
.max_x = 2240,
.max_y = 1120,
.res_x = 30, /* units/mm */
.res_y = 27, /* units/mm */
.contact_size = 5,
.max_contacts = 5,
.report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
};
static const struct asus_touchpad_info asus_t100ha_tp = {
.max_x = 2640,
.max_y = 1320,
.res_x = 30, /* units/mm */
.res_y = 29, /* units/mm */
.contact_size = 5,
.max_contacts = 5,
.report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
};
static const struct asus_touchpad_info asus_t200ta_tp = {
.max_x = 3120,
.max_y = 1716,
.res_x = 30, /* units/mm */
.res_y = 28, /* units/mm */
.contact_size = 5,
.max_contacts = 5,
.report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
};
static const struct asus_touchpad_info asus_t100chi_tp = {
.max_x = 2640,
.max_y = 1320,
.res_x = 31, /* units/mm */
.res_y = 29, /* units/mm */
.contact_size = 3,
.max_contacts = 4,
.report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
};
static const struct asus_touchpad_info medion_e1239t_tp = {
.max_x = 2640,
.max_y = 1380,
.res_x = 29, /* units/mm */
.res_y = 28, /* units/mm */
.contact_size = 5,
.max_contacts = 5,
.report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
};
static void asus_report_contact_down(struct asus_drvdata *drvdat,
int toolType, u8 *data)
{
struct input_dev *input = drvdat->input;
int touch_major, pressure, x, y;
x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
input_report_abs(input, ABS_MT_POSITION_X, x);
input_report_abs(input, ABS_MT_POSITION_Y, y);
if (drvdat->tp->contact_size < 5)
return;
if (toolType == MT_TOOL_PALM) {
touch_major = MAX_TOUCH_MAJOR;
pressure = MAX_PRESSURE;
} else {
touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
pressure = data[4] & CONTACT_PRESSURE_MASK;
}
input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
input_report_abs(input, ABS_MT_PRESSURE, pressure);
}
/* Required for Synaptics Palm Detection */
static void asus_report_tool_width(struct asus_drvdata *drvdat)
{
struct input_mt *mt = drvdat->input->mt;
struct input_mt_slot *oldest;
int oldid, count, i;
if (drvdat->tp->contact_size < 5)
return;
oldest = NULL;
oldid = mt->trkid;
count = 0;
for (i = 0; i < mt->num_slots; ++i) {
struct input_mt_slot *ps = &mt->slots[i];
int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
if (id < 0)
continue;
if ((id - oldid) & TRKID_SGN) {
oldest = ps;
oldid = id;
}
count++;
}
if (oldest) {
input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
}
}
static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
{
int i, toolType = MT_TOOL_FINGER;
u8 *contactData = data + 2;
if (size != drvdat->tp->report_size)
return 0;
for (i = 0; i < drvdat->tp->max_contacts; i++) {
bool down = !!(data[1] & BIT(i+3));
if (drvdat->tp->contact_size >= 5)
toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
MT_TOOL_PALM : MT_TOOL_FINGER;
input_mt_slot(drvdat->input, i);
input_mt_report_slot_state(drvdat->input, toolType, down);
if (down) {
asus_report_contact_down(drvdat, toolType, contactData);
contactData += drvdat->tp->contact_size;
}
}
input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
asus_report_tool_width(drvdat);
input_mt_sync_frame(drvdat->input);
input_sync(drvdat->input);
return 1;
}
static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
{
if (size != 3)
return 0;
/* Handle broken mute key which only sends press events */
if (!drvdat->tp &&
data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
input_report_key(drvdat->input, KEY_MUTE, 1);
input_sync(drvdat->input);
input_report_key(drvdat->input, KEY_MUTE, 0);
input_sync(drvdat->input);
return 1;
}
/* Handle custom touchpad toggle key which only sends press events */
if (drvdat->tp_kbd_input &&
data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
input_sync(drvdat->tp_kbd_input);
input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
input_sync(drvdat->tp_kbd_input);
return 1;
}
return 0;
}
static int asus_event(struct hid_device *hdev, struct hid_field *field,
struct hid_usage *usage, __s32 value)
{
if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
(usage->hid & HID_USAGE) != 0x00 &&
(usage->hid & HID_USAGE) != 0xff && !usage->type) {
hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
usage->hid & HID_USAGE);
}
return 0;
}
static int asus_raw_event(struct hid_device *hdev,
struct hid_report *report, u8 *data, int size)
{
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
return asus_report_battery(drvdata, data, size);
if (drvdata->tp && data[0] == INPUT_REPORT_ID)
return asus_report_input(drvdata, data, size);
if (drvdata->quirks & QUIRK_MEDION_E1239T)
return asus_e1239t_event(drvdata, data, size);
return 0;
}
static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
{
unsigned char *dmabuf;
int ret;
dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
if (!dmabuf)
return -ENOMEM;
ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
buf_size, HID_FEATURE_REPORT,
HID_REQ_SET_REPORT);
kfree(dmabuf);
return ret;
}
static int asus_kbd_init(struct hid_device *hdev)
{
u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
int ret;
ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
if (ret < 0)
hid_err(hdev, "Asus failed to send init command: %d\n", ret);
return ret;
}
static int asus_kbd_get_functions(struct hid_device *hdev,
unsigned char *kbd_func)
{
u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
u8 *readbuf;
int ret;
ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
if (ret < 0) {
hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
return ret;
}
readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
if (!readbuf)
return -ENOMEM;
ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
HID_REQ_GET_REPORT);
if (ret < 0) {
hid_err(hdev, "Asus failed to request functions: %d\n", ret);
kfree(readbuf);
return ret;
}
*kbd_func = readbuf[6];
kfree(readbuf);
return ret;
}
static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
enum led_brightness brightness)
{
struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
cdev);
if (led->brightness == brightness)
return;
led->brightness = brightness;
schedule_work(&led->work);
}
static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
{
struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
cdev);
return led->brightness;
}
static void asus_kbd_backlight_work(struct work_struct *work)
{
struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
int ret;
if (led->removed)
return;
buf[4] = led->brightness;
ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
if (ret < 0)
hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
}
/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
* precedence. We only activate HID-based backlight control when the
* WMI control is not available.
*/
static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
{
u32 value;
int ret;
if (!IS_ENABLED(CONFIG_ASUS_WMI))
return false;
ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
if (ret)
return false;
return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
}
static int asus_kbd_register_leds(struct hid_device *hdev)
{
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
unsigned char kbd_func;
int ret;
/* Initialize keyboard */
ret = asus_kbd_init(hdev);
if (ret < 0)
return ret;
/* Get keyboard functions */
ret = asus_kbd_get_functions(hdev, &kbd_func);
if (ret < 0)
return ret;
/* Check for backlight support */
if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
return -ENODEV;
drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
sizeof(struct asus_kbd_leds),
GFP_KERNEL);
if (!drvdata->kbd_backlight)
return -ENOMEM;
drvdata->kbd_backlight->removed = false;
drvdata->kbd_backlight->brightness = 0;
drvdata->kbd_backlight->hdev = hdev;
drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
drvdata->kbd_backlight->cdev.max_brightness = 3;
drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
if (ret < 0) {
/* No need to have this still around */
devm_kfree(&hdev->dev, drvdata->kbd_backlight);
}
return ret;
}
/*
* [0] REPORT_ID (same value defined in report descriptor)
* [1] rest battery level. range [0..255]
* [2]..[7] Bluetooth hardware address (MAC address)
* [8] charging status
* = 0 : AC offline / discharging
* = 1 : AC online / charging
* = 2 : AC online / fully charged
*/
static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
{
u8 sts;
u8 lvl;
int val;
lvl = data[1];
sts = data[8];
drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
switch (sts) {
case BATTERY_STAT_CHARGING:
val = POWER_SUPPLY_STATUS_CHARGING;
break;
case BATTERY_STAT_FULL:
val = POWER_SUPPLY_STATUS_FULL;
break;
case BATTERY_STAT_DISCONNECT:
default:
val = POWER_SUPPLY_STATUS_DISCHARGING;
break;
}
drvdata->battery_stat = val;
return 0;
}
static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
{
/* notify only the autonomous event by device */
if ((drvdata->battery_in_query == false) &&
(size == BATTERY_REPORT_SIZE))
power_supply_changed(drvdata->battery);
return 0;
}
static int asus_battery_query(struct asus_drvdata *drvdata)
{
u8 *buf;
int ret = 0;
buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
if (!buf)
return -ENOMEM;
drvdata->battery_in_query = true;
ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
buf, BATTERY_REPORT_SIZE,
HID_INPUT_REPORT, HID_REQ_GET_REPORT);
drvdata->battery_in_query = false;
if (ret == BATTERY_REPORT_SIZE)
ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
else
ret = -ENODATA;
kfree(buf);
return ret;
}
static enum power_supply_property asus_battery_props[] = {
POWER_SUPPLY_PROP_STATUS,
POWER_SUPPLY_PROP_PRESENT,
POWER_SUPPLY_PROP_CAPACITY,
POWER_SUPPLY_PROP_SCOPE,
POWER_SUPPLY_PROP_MODEL_NAME,
};
#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
static int asus_battery_get_property(struct power_supply *psy,
enum power_supply_property psp,
union power_supply_propval *val)
{
struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
int ret = 0;
switch (psp) {
case POWER_SUPPLY_PROP_STATUS:
case POWER_SUPPLY_PROP_CAPACITY:
if (time_before(drvdata->battery_next_query, jiffies)) {
drvdata->battery_next_query =
jiffies + QUERY_MIN_INTERVAL;
ret = asus_battery_query(drvdata);
if (ret)
return ret;
}
if (psp == POWER_SUPPLY_PROP_STATUS)
val->intval = drvdata->battery_stat;
else
val->intval = drvdata->battery_capacity;
break;
case POWER_SUPPLY_PROP_PRESENT:
val->intval = 1;
break;
case POWER_SUPPLY_PROP_SCOPE:
val->intval = POWER_SUPPLY_SCOPE_DEVICE;
break;
case POWER_SUPPLY_PROP_MODEL_NAME:
val->strval = drvdata->hdev->name;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int asus_battery_probe(struct hid_device *hdev)
{
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
struct power_supply_config pscfg = { .drv_data = drvdata };
int ret = 0;
drvdata->battery_capacity = 0;
drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
drvdata->battery_in_query = false;
drvdata->battery_desc.properties = asus_battery_props;
drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
drvdata->battery_desc.get_property = asus_battery_get_property;
drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
drvdata->battery_desc.use_for_apm = 0;
drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
"asus-keyboard-%s-battery",
strlen(hdev->uniq) ?
hdev->uniq : dev_name(&hdev->dev));
if (!drvdata->battery_desc.name)
return -ENOMEM;
drvdata->battery_next_query = jiffies;
drvdata->battery = devm_power_supply_register(&hdev->dev,
&(drvdata->battery_desc), &pscfg);
if (IS_ERR(drvdata->battery)) {
ret = PTR_ERR(drvdata->battery);
drvdata->battery = NULL;
hid_err(hdev, "Unable to register battery device\n");
return ret;
}
power_supply_powers(drvdata->battery, &hdev->dev);
return ret;
}
static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
{
struct input_dev *input = hi->input;
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
/* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
if (drvdata->quirks & QUIRK_T100CHI &&
hi->report->id != T100CHI_MOUSE_REPORT_ID)
return 0;
/* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
switch (hi->report->id) {
case E1239T_TP_TOGGLE_REPORT_ID:
input_set_capability(input, EV_KEY, KEY_F21);
input->name = "Asus Touchpad Keys";
drvdata->tp_kbd_input = input;
return 0;
case INPUT_REPORT_ID:
break; /* Touchpad report, handled below */
default:
return 0; /* Ignore other reports */
}
}
if (drvdata->tp) {
int ret;
input_set_abs_params(input, ABS_MT_POSITION_X, 0,
drvdata->tp->max_x, 0, 0);
input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
drvdata->tp->max_y, 0, 0);
input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
if (drvdata->tp->contact_size >= 5) {
input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
MAX_TOUCH_MAJOR, 0, 0);
input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
MAX_TOUCH_MAJOR, 0, 0);
input_set_abs_params(input, ABS_MT_PRESSURE, 0,
MAX_PRESSURE, 0, 0);
}
__set_bit(BTN_LEFT, input->keybit);
__set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
INPUT_MT_POINTER);
if (ret) {
hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
return ret;
}
}
drvdata->input = input;
if (drvdata->enable_backlight &&
!asus_kbd_wmi_led_control_present(hdev) &&
asus_kbd_register_leds(hdev))
hid_warn(hdev, "Failed to initialize backlight.\n");
return 0;
}
#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
max, EV_KEY, (c))
static int asus_input_mapping(struct hid_device *hdev,
struct hid_input *hi, struct hid_field *field,
struct hid_usage *usage, unsigned long **bit,
int *max)
{
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
/* Don't map anything from the HID report.
* We do it all manually in asus_input_configured
*/
return -1;
}
/*
* Ignore a bunch of bogus collections in the T100CHI descriptor.
* This avoids a bunch of non-functional hid_input devices getting
* created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
*/
if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
(field->application == (HID_UP_GENDESK | 0x0080) ||
field->application == HID_GD_MOUSE ||
usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
return -1;
/* ASUS-specific keyboard hotkeys */
if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
switch (usage->hid & HID_USAGE) {
case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
case 0x82: asus_map_key_clear(KEY_CAMERA); break;
case 0x88: asus_map_key_clear(KEY_RFKILL); break;
case 0xb5: asus_map_key_clear(KEY_CALC); break;
case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
/* ASUS touchpad toggle */
case 0x6b: asus_map_key_clear(KEY_F21); break;
/* ROG key */
case 0x38: asus_map_key_clear(KEY_PROG1); break;
/* Fn+C ASUS Splendid */
case 0xba: asus_map_key_clear(KEY_PROG2); break;
/* Fn+Space Power4Gear Hybrid */
case 0x5c: asus_map_key_clear(KEY_PROG3); break;
/* Fn+F5 "fan" symbol on FX503VD */
case 0x99: asus_map_key_clear(KEY_PROG4); break;
default:
/* ASUS lazily declares 256 usages, ignore the rest,
* as some make the keyboard appear as a pointer device. */
return -1;
}
/*
* Check and enable backlight only on devices with UsagePage ==
* 0xff31 to avoid initializing the keyboard firmware multiple
* times on devices with multiple HID descriptors but same
* PID/VID.
*/
if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
drvdata->enable_backlight = true;
set_bit(EV_REP, hi->input->evbit);
return 1;
}
if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
switch (usage->hid & HID_USAGE) {
case 0xff01: asus_map_key_clear(BTN_1); break;
case 0xff02: asus_map_key_clear(BTN_2); break;
case 0xff03: asus_map_key_clear(BTN_3); break;
case 0xff04: asus_map_key_clear(BTN_4); break;
case 0xff05: asus_map_key_clear(BTN_5); break;
case 0xff06: asus_map_key_clear(BTN_6); break;
case 0xff07: asus_map_key_clear(BTN_7); break;
case 0xff08: asus_map_key_clear(BTN_8); break;
case 0xff09: asus_map_key_clear(BTN_9); break;
case 0xff0a: asus_map_key_clear(BTN_A); break;
case 0xff0b: asus_map_key_clear(BTN_B); break;
case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
default:
return 0;
}
set_bit(EV_REP, hi->input->evbit);
return 1;
}
if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
(usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
switch (usage->hid & HID_USAGE) {
case 0xe2: /* Mute */
case 0xe9: /* Volume up */
case 0xea: /* Volume down */
return 0;
default:
/* Ignore dummy Consumer usages which make the
* keyboard incorrectly appear as a pointer device.
*/
return -1;
}
}
/*
* The mute button is broken and only sends press events, we
* deal with this in our raw_event handler, so do not map it.
*/
if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
usage->hid == (HID_UP_CONSUMER | 0xe2)) {
input_set_capability(hi->input, EV_KEY, KEY_MUTE);
return -1;
}
return 0;
}
static int asus_start_multitouch(struct hid_device *hdev)
{
int ret;
static const unsigned char buf[] = {
FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
};
unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
if (!dmabuf) {
ret = -ENOMEM;
hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
return ret;
}
ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
kfree(dmabuf);
if (ret != sizeof(buf)) {
hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
return ret;
}
return 0;
}
static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
{
struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
if (drvdata->tp)
return asus_start_multitouch(hdev);
return 0;
}
static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
{
int ret;
struct asus_drvdata *drvdata;
drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
if (drvdata == NULL) {
hid_err(hdev, "Can't alloc Asus descriptor\n");
return -ENOMEM;
}
hid_set_drvdata(hdev, drvdata);
drvdata->quirks = id->driver_data;
/*
* T90CHI's keyboard dock returns same ID values as T100CHI's dock.
* Thus, identify T90CHI dock with product name string.
*/
if (strstr(hdev->name, "T90CHI")) {
drvdata->quirks &= ~QUIRK_T100CHI;
drvdata->quirks |= QUIRK_T90CHI;
}
if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
drvdata->tp = &asus_i2c_tp;
if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
/*
* The T100HA uses the same USB-ids as the T100TAF and
* the T200TA uses the same USB-ids as the T100TA, while
* both have different max x/y values as the T100TA[F].
*/
if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
drvdata->tp = &asus_t100ha_tp;
else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
drvdata->tp = &asus_t200ta_tp;
else
drvdata->tp = &asus_t100ta_tp;
}
}
if (drvdata->quirks & QUIRK_T100CHI) {
/*
* All functionality is on a single HID interface and for
* userspace the touchpad must be a separate input_dev.
*/
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
drvdata->tp = &asus_t100chi_tp;
}
if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
struct usb_host_interface *alt =
to_usb_interface(hdev->dev.parent)->altsetting;
if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
/* For separate input-devs for tp and tp toggle key */
hdev->quirks |= HID_QUIRK_MULTI_INPUT;
drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
drvdata->tp = &medion_e1239t_tp;
}
}
if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
drvdata->hdev = hdev;
if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
ret = asus_battery_probe(hdev);
if (ret) {
hid_err(hdev,
"Asus hid battery_probe failed: %d\n", ret);
return ret;
}
}
ret = hid_parse(hdev);
if (ret) {
hid_err(hdev, "Asus hid parse failed: %d\n", ret);
return ret;
}
/* use hid-multitouch for T101HA touchpad */
if (id->driver_data & QUIRK_T101HA_DOCK &&
hdev->collection->usage == HID_GD_MOUSE)
return -ENODEV;
ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
if (ret) {
hid_err(hdev, "Asus hw start failed: %d\n", ret);
return ret;
}
if (!drvdata->input) {
hid_err(hdev, "Asus input not registered\n");
ret = -ENOMEM;
goto err_stop_hw;
}
if (drvdata->tp) {
drvdata->input->name = "Asus TouchPad";
} else {