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#include <linux/hid.h>
30#include <linux/module.h>
31#include <linux/input/mt.h>
32#include <linux/usb.h>
33
34#include "hid-ids.h"
35
36MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
37MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
38MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
39MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
40MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
41
42#define T100_TPAD_INTF 2
43
44#define T100CHI_MOUSE_REPORT_ID 0x06
45#define FEATURE_REPORT_ID 0x0d
46#define INPUT_REPORT_ID 0x5d
47#define FEATURE_KBD_REPORT_ID 0x5a
48#define FEATURE_KBD_REPORT_SIZE 16
49
50#define SUPPORT_KBD_BACKLIGHT BIT(0)
51
52#define MAX_TOUCH_MAJOR 8
53#define MAX_PRESSURE 128
54
55#define BTN_LEFT_MASK 0x01
56#define CONTACT_TOOL_TYPE_MASK 0x80
57#define CONTACT_X_MSB_MASK 0xf0
58#define CONTACT_Y_MSB_MASK 0x0f
59#define CONTACT_TOUCH_MAJOR_MASK 0x07
60#define CONTACT_PRESSURE_MASK 0x7f
61
62#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
63#define QUIRK_NO_INIT_REPORTS BIT(1)
64#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
65#define QUIRK_IS_MULTITOUCH BIT(3)
66#define QUIRK_NO_CONSUMER_USAGES BIT(4)
67#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
68#define QUIRK_T100_KEYBOARD BIT(6)
69#define QUIRK_T100CHI BIT(7)
70
71#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
72 QUIRK_NO_INIT_REPORTS | \
73 QUIRK_NO_CONSUMER_USAGES)
74#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
75 QUIRK_SKIP_INPUT_MAPPING | \
76 QUIRK_IS_MULTITOUCH)
77
78#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
79
80struct asus_kbd_leds {
81 struct led_classdev cdev;
82 struct hid_device *hdev;
83 struct work_struct work;
84 unsigned int brightness;
85 bool removed;
86};
87
88struct asus_touchpad_info {
89 int max_x;
90 int max_y;
91 int res_x;
92 int res_y;
93 int contact_size;
94 int max_contacts;
95};
96
97struct asus_drvdata {
98 unsigned long quirks;
99 struct input_dev *input;
100 struct asus_kbd_leds *kbd_backlight;
101 const struct asus_touchpad_info *tp;
102 bool enable_backlight;
103};
104
105static const struct asus_touchpad_info asus_i2c_tp = {
106 .max_x = 2794,
107 .max_y = 1758,
108 .contact_size = 5,
109 .max_contacts = 5,
110};
111
112static const struct asus_touchpad_info asus_t100ta_tp = {
113 .max_x = 2240,
114 .max_y = 1120,
115 .res_x = 30,
116 .res_y = 27,
117 .contact_size = 5,
118 .max_contacts = 5,
119};
120
121static const struct asus_touchpad_info asus_t100chi_tp = {
122 .max_x = 2640,
123 .max_y = 1320,
124 .res_x = 31,
125 .res_y = 29,
126 .contact_size = 3,
127 .max_contacts = 4,
128};
129
130static void asus_report_contact_down(struct asus_drvdata *drvdat,
131 int toolType, u8 *data)
132{
133 struct input_dev *input = drvdat->input;
134 int touch_major, pressure, x, y;
135
136 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
137 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
138
139 input_report_abs(input, ABS_MT_POSITION_X, x);
140 input_report_abs(input, ABS_MT_POSITION_Y, y);
141
142 if (drvdat->tp->contact_size < 5)
143 return;
144
145 if (toolType == MT_TOOL_PALM) {
146 touch_major = MAX_TOUCH_MAJOR;
147 pressure = MAX_PRESSURE;
148 } else {
149 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
150 pressure = data[4] & CONTACT_PRESSURE_MASK;
151 }
152
153 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
154 input_report_abs(input, ABS_MT_PRESSURE, pressure);
155}
156
157
158static void asus_report_tool_width(struct asus_drvdata *drvdat)
159{
160 struct input_mt *mt = drvdat->input->mt;
161 struct input_mt_slot *oldest;
162 int oldid, count, i;
163
164 if (drvdat->tp->contact_size < 5)
165 return;
166
167 oldest = NULL;
168 oldid = mt->trkid;
169 count = 0;
170
171 for (i = 0; i < mt->num_slots; ++i) {
172 struct input_mt_slot *ps = &mt->slots[i];
173 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
174
175 if (id < 0)
176 continue;
177 if ((id - oldid) & TRKID_SGN) {
178 oldest = ps;
179 oldid = id;
180 }
181 count++;
182 }
183
184 if (oldest) {
185 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
186 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
187 }
188}
189
190static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
191{
192 int i, toolType = MT_TOOL_FINGER;
193 u8 *contactData = data + 2;
194
195 if (size != 3 + drvdat->tp->contact_size * drvdat->tp->max_contacts)
196 return 0;
197
198 for (i = 0; i < drvdat->tp->max_contacts; i++) {
199 bool down = !!(data[1] & BIT(i+3));
200
201 if (drvdat->tp->contact_size >= 5)
202 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
203 MT_TOOL_PALM : MT_TOOL_FINGER;
204
205 input_mt_slot(drvdat->input, i);
206 input_mt_report_slot_state(drvdat->input, toolType, down);
207
208 if (down) {
209 asus_report_contact_down(drvdat, toolType, contactData);
210 contactData += drvdat->tp->contact_size;
211 }
212 }
213
214 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
215 asus_report_tool_width(drvdat);
216
217 input_mt_sync_frame(drvdat->input);
218 input_sync(drvdat->input);
219
220 return 1;
221}
222
223static int asus_raw_event(struct hid_device *hdev,
224 struct hid_report *report, u8 *data, int size)
225{
226 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
227
228 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
229 return asus_report_input(drvdata, data, size);
230
231 return 0;
232}
233
234static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
235{
236 unsigned char *dmabuf;
237 int ret;
238
239 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
240 if (!dmabuf)
241 return -ENOMEM;
242
243 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
244 buf_size, HID_FEATURE_REPORT,
245 HID_REQ_SET_REPORT);
246 kfree(dmabuf);
247
248 return ret;
249}
250
251static int asus_kbd_init(struct hid_device *hdev)
252{
253 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
254 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
255 int ret;
256
257 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
258 if (ret < 0)
259 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
260
261 return ret;
262}
263
264static int asus_kbd_get_functions(struct hid_device *hdev,
265 unsigned char *kbd_func)
266{
267 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
268 u8 *readbuf;
269 int ret;
270
271 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
272 if (ret < 0) {
273 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
274 return ret;
275 }
276
277 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
278 if (!readbuf)
279 return -ENOMEM;
280
281 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
282 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
283 HID_REQ_GET_REPORT);
284 if (ret < 0) {
285 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
286 kfree(readbuf);
287 return ret;
288 }
289
290 *kbd_func = readbuf[6];
291
292 kfree(readbuf);
293 return ret;
294}
295
296static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
297 enum led_brightness brightness)
298{
299 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
300 cdev);
301 if (led->brightness == brightness)
302 return;
303
304 led->brightness = brightness;
305 schedule_work(&led->work);
306}
307
308static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
309{
310 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
311 cdev);
312
313 return led->brightness;
314}
315
316static void asus_kbd_backlight_work(struct work_struct *work)
317{
318 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
319 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
320 int ret;
321
322 if (led->removed)
323 return;
324
325 buf[4] = led->brightness;
326
327 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
328 if (ret < 0)
329 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
330}
331
332static int asus_kbd_register_leds(struct hid_device *hdev)
333{
334 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
335 unsigned char kbd_func;
336 int ret;
337
338
339 ret = asus_kbd_init(hdev);
340 if (ret < 0)
341 return ret;
342
343
344 ret = asus_kbd_get_functions(hdev, &kbd_func);
345 if (ret < 0)
346 return ret;
347
348
349 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
350 return -ENODEV;
351
352 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
353 sizeof(struct asus_kbd_leds),
354 GFP_KERNEL);
355 if (!drvdata->kbd_backlight)
356 return -ENOMEM;
357
358 drvdata->kbd_backlight->removed = false;
359 drvdata->kbd_backlight->brightness = 0;
360 drvdata->kbd_backlight->hdev = hdev;
361 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
362 drvdata->kbd_backlight->cdev.max_brightness = 3;
363 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
364 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
365 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
366
367 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
368 if (ret < 0) {
369
370 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
371 }
372
373 return ret;
374}
375
376static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
377{
378 struct input_dev *input = hi->input;
379 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
380
381
382 if (drvdata->quirks & QUIRK_T100CHI &&
383 hi->report->id != T100CHI_MOUSE_REPORT_ID)
384 return 0;
385
386 if (drvdata->tp) {
387 int ret;
388
389 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
390 drvdata->tp->max_x, 0, 0);
391 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
392 drvdata->tp->max_y, 0, 0);
393 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
394 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
395
396 if (drvdata->tp->contact_size >= 5) {
397 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
398 MAX_TOUCH_MAJOR, 0, 0);
399 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
400 MAX_TOUCH_MAJOR, 0, 0);
401 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
402 MAX_PRESSURE, 0, 0);
403 }
404
405 __set_bit(BTN_LEFT, input->keybit);
406 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
407
408 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
409 INPUT_MT_POINTER);
410
411 if (ret) {
412 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
413 return ret;
414 }
415 }
416
417 drvdata->input = input;
418
419 if (drvdata->enable_backlight && asus_kbd_register_leds(hdev))
420 hid_warn(hdev, "Failed to initialize backlight.\n");
421
422 return 0;
423}
424
425#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
426 max, EV_KEY, (c))
427static int asus_input_mapping(struct hid_device *hdev,
428 struct hid_input *hi, struct hid_field *field,
429 struct hid_usage *usage, unsigned long **bit,
430 int *max)
431{
432 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
433
434 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
435
436
437
438 return -1;
439 }
440
441
442
443
444
445
446 if (drvdata->quirks & QUIRK_T100CHI) {
447 if (field->application == (HID_UP_GENDESK | 0x0080) ||
448 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
449 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
450 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))
451 return -1;
452
453
454
455
456 if (field->application == HID_GD_MOUSE &&
457 usage->hid != (HID_UP_BUTTON | 1))
458 return -1;
459 }
460
461
462 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
463 set_bit(EV_REP, hi->input->evbit);
464 switch (usage->hid & HID_USAGE) {
465 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
466 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
467 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
468 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
469 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
470 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
471 case 0xb5: asus_map_key_clear(KEY_CALC); break;
472 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
473 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
474
475
476 case 0x6b: asus_map_key_clear(KEY_F21); break;
477
478
479 case 0x38: asus_map_key_clear(KEY_PROG1); break;
480
481
482 case 0xba: asus_map_key_clear(KEY_PROG2); break;
483
484
485 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
486
487 default:
488
489
490 return -1;
491 }
492
493
494
495
496
497
498
499 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
500 drvdata->enable_backlight = true;
501
502 return 1;
503 }
504
505 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
506 set_bit(EV_REP, hi->input->evbit);
507 switch (usage->hid & HID_USAGE) {
508 case 0xff01: asus_map_key_clear(BTN_1); break;
509 case 0xff02: asus_map_key_clear(BTN_2); break;
510 case 0xff03: asus_map_key_clear(BTN_3); break;
511 case 0xff04: asus_map_key_clear(BTN_4); break;
512 case 0xff05: asus_map_key_clear(BTN_5); break;
513 case 0xff06: asus_map_key_clear(BTN_6); break;
514 case 0xff07: asus_map_key_clear(BTN_7); break;
515 case 0xff08: asus_map_key_clear(BTN_8); break;
516 case 0xff09: asus_map_key_clear(BTN_9); break;
517 case 0xff0a: asus_map_key_clear(BTN_A); break;
518 case 0xff0b: asus_map_key_clear(BTN_B); break;
519 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
520 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
521 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
522 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
523 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
524 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
525 default:
526 return 0;
527 }
528
529 return 1;
530 }
531
532 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
533 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
534 switch (usage->hid & HID_USAGE) {
535 case 0xe2:
536 case 0xe9:
537 case 0xea:
538 return 0;
539 default:
540
541
542
543 return -1;
544 }
545 }
546
547 return 0;
548}
549
550static int asus_start_multitouch(struct hid_device *hdev)
551{
552 int ret;
553 const unsigned char buf[] = { FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 };
554 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
555
556 if (!dmabuf) {
557 ret = -ENOMEM;
558 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
559 return ret;
560 }
561
562 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
563 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
564
565 kfree(dmabuf);
566
567 if (ret != sizeof(buf)) {
568 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
569 return ret;
570 }
571
572 return 0;
573}
574
575static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
576{
577 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
578
579 if (drvdata->tp)
580 return asus_start_multitouch(hdev);
581
582 return 0;
583}
584
585static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
586{
587 int ret;
588 struct asus_drvdata *drvdata;
589
590 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
591 if (drvdata == NULL) {
592 hid_err(hdev, "Can't alloc Asus descriptor\n");
593 return -ENOMEM;
594 }
595
596 hid_set_drvdata(hdev, drvdata);
597
598 drvdata->quirks = id->driver_data;
599
600 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
601 drvdata->tp = &asus_i2c_tp;
602
603 if (drvdata->quirks & QUIRK_T100_KEYBOARD) {
604 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
605
606 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
607 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
608 drvdata->tp = &asus_t100ta_tp;
609 }
610 }
611
612 if (drvdata->quirks & QUIRK_T100CHI) {
613
614
615
616
617 hdev->quirks |= HID_QUIRK_MULTI_INPUT |
618 HID_QUIRK_NO_EMPTY_INPUT;
619 drvdata->tp = &asus_t100chi_tp;
620 }
621
622 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
623 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
624
625 ret = hid_parse(hdev);
626 if (ret) {
627 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
628 return ret;
629 }
630
631 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
632 if (ret) {
633 hid_err(hdev, "Asus hw start failed: %d\n", ret);
634 return ret;
635 }
636
637 if (!drvdata->input) {
638 hid_err(hdev, "Asus input not registered\n");
639 ret = -ENOMEM;
640 goto err_stop_hw;
641 }
642
643 if (drvdata->tp) {
644 drvdata->input->name = "Asus TouchPad";
645 } else {
646 drvdata->input->name = "Asus Keyboard";
647 }
648
649 if (drvdata->tp) {
650 ret = asus_start_multitouch(hdev);
651 if (ret)
652 goto err_stop_hw;
653 }
654
655 return 0;
656err_stop_hw:
657 hid_hw_stop(hdev);
658 return ret;
659}
660
661static void asus_remove(struct hid_device *hdev)
662{
663 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
664
665 if (drvdata->kbd_backlight) {
666 drvdata->kbd_backlight->removed = true;
667 cancel_work_sync(&drvdata->kbd_backlight->work);
668 }
669
670 hid_hw_stop(hdev);
671}
672
673static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
674 unsigned int *rsize)
675{
676 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
677
678 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
679 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
680 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
681 rdesc[55] = 0xdd;
682 }
683
684 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
685 *rsize == 76 && rdesc[73] == 0x81 && rdesc[74] == 0x01) {
686 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
687 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
688 }
689
690 if (drvdata->quirks & QUIRK_T100CHI &&
691 *rsize == 403 && rdesc[388] == 0x09 && rdesc[389] == 0x76) {
692
693
694
695
696
697
698 *rsize = 404;
699 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
700 if (!rdesc)
701 return NULL;
702
703 hid_info(hdev, "Fixing up T100CHI keyb report descriptor\n");
704 memmove(rdesc + 392, rdesc + 390, 12);
705 rdesc[388] = 0x19;
706 rdesc[389] = 0x00;
707 rdesc[390] = 0x29;
708 rdesc[391] = 0xff;
709 rdesc[402] = 0x00;
710 }
711
712 return rdesc;
713}
714
715static const struct hid_device_id asus_devices[] = {
716 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
717 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
718 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
719 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
720 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
721 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
722 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
723 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
724 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
725 USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD),
726 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
727 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
728 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
729 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
730 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
731 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
732
733 { }
734};
735MODULE_DEVICE_TABLE(hid, asus_devices);
736
737static struct hid_driver asus_driver = {
738 .name = "asus",
739 .id_table = asus_devices,
740 .report_fixup = asus_report_fixup,
741 .probe = asus_probe,
742 .remove = asus_remove,
743 .input_mapping = asus_input_mapping,
744 .input_configured = asus_input_configured,
745#ifdef CONFIG_PM
746 .reset_resume = asus_reset_resume,
747#endif
748 .raw_event = asus_raw_event
749};
750module_hid_driver(asus_driver);
751
752MODULE_LICENSE("GPL");
753
