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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm
[linux-stable.git] / drivers / hid / hid-asus.c
blob506c6f377e7d6ce1e0534851493081f8d7db7a65
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * HID driver for Asus notebook built-in keyboard.
4 * Fixes small logical maximum to match usage maximum.
5 *
6 * Currently supported devices are:
7 * EeeBook X205TA
8 * VivoBook E200HA
9 *
10 * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com>
11 *
12 * This module based on hid-ortek by
13 * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com>
14 * Copyright (c) 2011 Jiri Kosina
15 *
16 * This module has been updated to add support for Asus i2c touchpad.
17 *
18 * Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org>
19 * Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com>
20 * Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com>
21 */
22
23 /*
24 */
25
26 #include <linux/dmi.h>
27 #include <linux/hid.h>
28 #include <linux/module.h>
29 #include <linux/platform_data/x86/asus-wmi.h>
30 #include <linux/input/mt.h>
31 #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
32 #include <linux/power_supply.h>
33 #include <linux/leds.h>
34
35 #include "hid-ids.h"
36
37 MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
38 MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
39 MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
40 MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
41 MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
42
43 #define T100_TPAD_INTF 2
44 #define MEDION_E1239T_TPAD_INTF 1
45
46 #define E1239T_TP_TOGGLE_REPORT_ID 0x05
47 #define T100CHI_MOUSE_REPORT_ID 0x06
48 #define FEATURE_REPORT_ID 0x0d
49 #define INPUT_REPORT_ID 0x5d
50 #define FEATURE_KBD_REPORT_ID 0x5a
51 #define FEATURE_KBD_REPORT_SIZE 16
52 #define FEATURE_KBD_LED_REPORT_ID1 0x5d
53 #define FEATURE_KBD_LED_REPORT_ID2 0x5e
54
55 #define SUPPORT_KBD_BACKLIGHT BIT(0)
56
57 #define MAX_TOUCH_MAJOR 8
58 #define MAX_PRESSURE 128
59
60 #define BTN_LEFT_MASK 0x01
61 #define CONTACT_TOOL_TYPE_MASK 0x80
62 #define CONTACT_X_MSB_MASK 0xf0
63 #define CONTACT_Y_MSB_MASK 0x0f
64 #define CONTACT_TOUCH_MAJOR_MASK 0x07
65 #define CONTACT_PRESSURE_MASK 0x7f
66
67 #define BATTERY_REPORT_ID (0x03)
68 #define BATTERY_REPORT_SIZE (1 + 8)
69 #define BATTERY_LEVEL_MAX ((u8)255)
70 #define BATTERY_STAT_DISCONNECT (0)
71 #define BATTERY_STAT_CHARGING (1)
72 #define BATTERY_STAT_FULL (2)
73
74 #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
75 #define QUIRK_NO_INIT_REPORTS BIT(1)
76 #define QUIRK_SKIP_INPUT_MAPPING BIT(2)
77 #define QUIRK_IS_MULTITOUCH BIT(3)
78 #define QUIRK_NO_CONSUMER_USAGES BIT(4)
79 #define QUIRK_USE_KBD_BACKLIGHT BIT(5)
80 #define QUIRK_T100_KEYBOARD BIT(6)
81 #define QUIRK_T100CHI BIT(7)
82 #define QUIRK_G752_KEYBOARD BIT(8)
83 #define QUIRK_T90CHI BIT(9)
84 #define QUIRK_MEDION_E1239T BIT(10)
85 #define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
86 #define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
87
88 #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
89 QUIRK_NO_INIT_REPORTS | \
90 QUIRK_NO_CONSUMER_USAGES)
91 #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
92 QUIRK_SKIP_INPUT_MAPPING | \
93 QUIRK_IS_MULTITOUCH)
94
95 #define TRKID_SGN ((TRKID_MAX + 1) >> 1)
96
97 struct asus_kbd_leds {
98 struct led_classdev cdev;
99 struct hid_device *hdev;
100 struct work_struct work;
101 unsigned int brightness;
102 spinlock_t lock;
103 bool removed;
104 };
105
106 struct asus_touchpad_info {
107 int max_x;
108 int max_y;
109 int res_x;
110 int res_y;
111 int contact_size;
112 int max_contacts;
113 int report_size;
114 };
115
116 struct asus_drvdata {
117 unsigned long quirks;
118 struct hid_device *hdev;
119 struct input_dev *input;
120 struct input_dev *tp_kbd_input;
121 struct asus_kbd_leds *kbd_backlight;
122 const struct asus_touchpad_info *tp;
123 bool enable_backlight;
124 struct power_supply *battery;
125 struct power_supply_desc battery_desc;
126 int battery_capacity;
127 int battery_stat;
128 bool battery_in_query;
129 unsigned long battery_next_query;
130 };
131
132 static int asus_report_battery(struct asus_drvdata *, u8 *, int);
133
134 static const struct asus_touchpad_info asus_i2c_tp = {
135 .max_x = 2794,
136 .max_y = 1758,
137 .contact_size = 5,
138 .max_contacts = 5,
139 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
140 };
141
142 static const struct asus_touchpad_info asus_t100ta_tp = {
143 .max_x = 2240,
144 .max_y = 1120,
145 .res_x = 30, /* units/mm */
146 .res_y = 27, /* units/mm */
147 .contact_size = 5,
148 .max_contacts = 5,
149 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
150 };
151
152 static const struct asus_touchpad_info asus_t100ha_tp = {
153 .max_x = 2640,
154 .max_y = 1320,
155 .res_x = 30, /* units/mm */
156 .res_y = 29, /* units/mm */
157 .contact_size = 5,
158 .max_contacts = 5,
159 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
160 };
161
162 static const struct asus_touchpad_info asus_t200ta_tp = {
163 .max_x = 3120,
164 .max_y = 1716,
165 .res_x = 30, /* units/mm */
166 .res_y = 28, /* units/mm */
167 .contact_size = 5,
168 .max_contacts = 5,
169 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
170 };
171
172 static const struct asus_touchpad_info asus_t100chi_tp = {
173 .max_x = 2640,
174 .max_y = 1320,
175 .res_x = 31, /* units/mm */
176 .res_y = 29, /* units/mm */
177 .contact_size = 3,
178 .max_contacts = 4,
179 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
180 };
181
182 static const struct asus_touchpad_info medion_e1239t_tp = {
183 .max_x = 2640,
184 .max_y = 1380,
185 .res_x = 29, /* units/mm */
186 .res_y = 28, /* units/mm */
187 .contact_size = 5,
188 .max_contacts = 5,
189 .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
190 };
191
192 static void asus_report_contact_down(struct asus_drvdata *drvdat,
193 int toolType, u8 *data)
194 {
195 struct input_dev *input = drvdat->input;
196 int touch_major, pressure, x, y;
197
198 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
199 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
200
201 input_report_abs(input, ABS_MT_POSITION_X, x);
202 input_report_abs(input, ABS_MT_POSITION_Y, y);
203
204 if (drvdat->tp->contact_size < 5)
205 return;
206
207 if (toolType == MT_TOOL_PALM) {
208 touch_major = MAX_TOUCH_MAJOR;
209 pressure = MAX_PRESSURE;
210 } else {
211 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
212 pressure = data[4] & CONTACT_PRESSURE_MASK;
213 }
214
215 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
216 input_report_abs(input, ABS_MT_PRESSURE, pressure);
217 }
218
219 /* Required for Synaptics Palm Detection */
220 static void asus_report_tool_width(struct asus_drvdata *drvdat)
221 {
222 struct input_mt *mt = drvdat->input->mt;
223 struct input_mt_slot *oldest;
224 int oldid, i;
225
226 if (drvdat->tp->contact_size < 5)
227 return;
228
229 oldest = NULL;
230 oldid = mt->trkid;
231
232 for (i = 0; i < mt->num_slots; ++i) {
233 struct input_mt_slot *ps = &mt->slots[i];
234 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
235
236 if (id < 0)
237 continue;
238 if ((id - oldid) & TRKID_SGN) {
239 oldest = ps;
240 oldid = id;
241 }
242 }
243
244 if (oldest) {
245 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
246 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
247 }
248 }
249
250 static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
251 {
252 int i, toolType = MT_TOOL_FINGER;
253 u8 *contactData = data + 2;
254
255 if (size != drvdat->tp->report_size)
256 return 0;
257
258 for (i = 0; i < drvdat->tp->max_contacts; i++) {
259 bool down = !!(data[1] & BIT(i+3));
260
261 if (drvdat->tp->contact_size >= 5)
262 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
263 MT_TOOL_PALM : MT_TOOL_FINGER;
264
265 input_mt_slot(drvdat->input, i);
266 input_mt_report_slot_state(drvdat->input, toolType, down);
267
268 if (down) {
269 asus_report_contact_down(drvdat, toolType, contactData);
270 contactData += drvdat->tp->contact_size;
271 }
272 }
273
274 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
275 asus_report_tool_width(drvdat);
276
277 input_mt_sync_frame(drvdat->input);
278 input_sync(drvdat->input);
279
280 return 1;
281 }
282
283 static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
284 {
285 if (size != 3)
286 return 0;
287
288 /* Handle broken mute key which only sends press events */
289 if (!drvdat->tp &&
290 data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
291 input_report_key(drvdat->input, KEY_MUTE, 1);
292 input_sync(drvdat->input);
293 input_report_key(drvdat->input, KEY_MUTE, 0);
294 input_sync(drvdat->input);
295 return 1;
296 }
297
298 /* Handle custom touchpad toggle key which only sends press events */
299 if (drvdat->tp_kbd_input &&
300 data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
301 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
302 input_sync(drvdat->tp_kbd_input);
303 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
304 input_sync(drvdat->tp_kbd_input);
305 return 1;
306 }
307
308 return 0;
309 }
310
311 static int asus_event(struct hid_device *hdev, struct hid_field *field,
312 struct hid_usage *usage, __s32 value)
313 {
314 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
315 (usage->hid & HID_USAGE) != 0x00 &&
316 (usage->hid & HID_USAGE) != 0xff && !usage->type) {
317 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
318 usage->hid & HID_USAGE);
319 }
320
321 return 0;
322 }
323
324 static int asus_raw_event(struct hid_device *hdev,
325 struct hid_report *report, u8 *data, int size)
326 {
327 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
328
329 if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
330 return asus_report_battery(drvdata, data, size);
331
332 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
333 return asus_report_input(drvdata, data, size);
334
335 if (drvdata->quirks & QUIRK_MEDION_E1239T)
336 return asus_e1239t_event(drvdata, data, size);
337
338 /*
339 * Skip these report ID, the device emits a continuous stream associated
340 * with the AURA mode it is in which looks like an 'echo'.
341 */
342 if (report->id == FEATURE_KBD_LED_REPORT_ID1 || report->id == FEATURE_KBD_LED_REPORT_ID2)
343 return -1;
344 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
345 /*
346 * G713 and G733 send these codes on some keypresses, depending on
347 * the key pressed it can trigger a shutdown event if not caught.
348 */
349 if (data[0] == 0x02 && data[1] == 0x30) {
350 return -1;
351 }
352 }
353
354 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) {
355 /*
356 * CLAYMORE II keyboard sends this packet when it goes to sleep
357 * this causes the whole system to go into suspend.
358 */
359
360 if(size == 2 && data[0] == 0x02 && data[1] == 0x00) {
361 return -1;
362 }
363 }
364
365 return 0;
366 }
367
368 static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size)
369 {
370 unsigned char *dmabuf;
371 int ret;
372
373 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
374 if (!dmabuf)
375 return -ENOMEM;
376
377 /*
378 * The report ID should be set from the incoming buffer due to LED and key
379 * interfaces having different pages
380 */
381 ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
382 buf_size, HID_FEATURE_REPORT,
383 HID_REQ_SET_REPORT);
384 kfree(dmabuf);
385
386 return ret;
387 }
388
389 static int asus_kbd_init(struct hid_device *hdev, u8 report_id)
390 {
391 const u8 buf[] = { report_id, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
392 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
393 int ret;
394
395 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
396 if (ret < 0)
397 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
398
399 return ret;
400 }
401
402 static int asus_kbd_get_functions(struct hid_device *hdev,
403 unsigned char *kbd_func,
404 u8 report_id)
405 {
406 const u8 buf[] = { report_id, 0x05, 0x20, 0x31, 0x00, 0x08 };
407 u8 *readbuf;
408 int ret;
409
410 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
411 if (ret < 0) {
412 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
413 return ret;
414 }
415
416 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
417 if (!readbuf)
418 return -ENOMEM;
419
420 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
421 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
422 HID_REQ_GET_REPORT);
423 if (ret < 0) {
424 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
425 kfree(readbuf);
426 return ret;
427 }
428
429 *kbd_func = readbuf[6];
430
431 kfree(readbuf);
432 return ret;
433 }
434
435 static void asus_schedule_work(struct asus_kbd_leds *led)
436 {
437 unsigned long flags;
438
439 spin_lock_irqsave(&led->lock, flags);
440 if (!led->removed)
441 schedule_work(&led->work);
442 spin_unlock_irqrestore(&led->lock, flags);
443 }
444
445 static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
446 enum led_brightness brightness)
447 {
448 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
449 cdev);
450 unsigned long flags;
451
452 spin_lock_irqsave(&led->lock, flags);
453 led->brightness = brightness;
454 spin_unlock_irqrestore(&led->lock, flags);
455
456 asus_schedule_work(led);
457 }
458
459 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
460 {
461 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
462 cdev);
463 enum led_brightness brightness;
464 unsigned long flags;
465
466 spin_lock_irqsave(&led->lock, flags);
467 brightness = led->brightness;
468 spin_unlock_irqrestore(&led->lock, flags);
469
470 return brightness;
471 }
472
473 static void asus_kbd_backlight_work(struct work_struct *work)
474 {
475 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
476 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
477 int ret;
478 unsigned long flags;
479
480 spin_lock_irqsave(&led->lock, flags);
481 buf[4] = led->brightness;
482 spin_unlock_irqrestore(&led->lock, flags);
483
484 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
485 if (ret < 0)
486 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
487 }
488
489 /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
490 * precedence. We only activate HID-based backlight control when the
491 * WMI control is not available.
492 */
493 static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
494 {
495 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
496 u32 value;
497 int ret;
498
499 if (!IS_ENABLED(CONFIG_ASUS_WMI))
500 return false;
501
502 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
503 dmi_check_system(asus_use_hid_led_dmi_ids)) {
504 hid_info(hdev, "using HID for asus::kbd_backlight\n");
505 return false;
506 }
507
508 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
509 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
510 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
511 if (ret)
512 return false;
513
514 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
515 }
516
517 static int asus_kbd_register_leds(struct hid_device *hdev)
518 {
519 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
520 unsigned char kbd_func;
521 int ret;
522
523 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
524 /* Initialize keyboard */
525 ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID);
526 if (ret < 0)
527 return ret;
528
529 /* The LED endpoint is initialised in two HID */
530 ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID1);
531 if (ret < 0)
532 return ret;
533
534 ret = asus_kbd_init(hdev, FEATURE_KBD_LED_REPORT_ID2);
535 if (ret < 0)
536 return ret;
537 } else {
538 /* Initialize keyboard */
539 ret = asus_kbd_init(hdev, FEATURE_KBD_REPORT_ID);
540 if (ret < 0)
541 return ret;
542
543 /* Get keyboard functions */
544 ret = asus_kbd_get_functions(hdev, &kbd_func, FEATURE_KBD_REPORT_ID);
545 if (ret < 0)
546 return ret;
547
548 /* Check for backlight support */
549 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
550 return -ENODEV;
551 }
552
553 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
554 sizeof(struct asus_kbd_leds),
555 GFP_KERNEL);
556 if (!drvdata->kbd_backlight)
557 return -ENOMEM;
558
559 drvdata->kbd_backlight->removed = false;
560 drvdata->kbd_backlight->brightness = 0;
561 drvdata->kbd_backlight->hdev = hdev;
562 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
563 drvdata->kbd_backlight->cdev.max_brightness = 3;
564 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
565 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
566 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
567 spin_lock_init(&drvdata->kbd_backlight->lock);
568
569 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
570 if (ret < 0) {
571 /* No need to have this still around */
572 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
573 }
574
575 return ret;
576 }
577
578 /*
579 * [0] REPORT_ID (same value defined in report descriptor)
580 * [1] rest battery level. range [0..255]
581 * [2]..[7] Bluetooth hardware address (MAC address)
582 * [8] charging status
583 * = 0 : AC offline / discharging
584 * = 1 : AC online / charging
585 * = 2 : AC online / fully charged
586 */
587 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
588 {
589 u8 sts;
590 u8 lvl;
591 int val;
592
593 lvl = data[1];
594 sts = data[8];
595
596 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
597
598 switch (sts) {
599 case BATTERY_STAT_CHARGING:
600 val = POWER_SUPPLY_STATUS_CHARGING;
601 break;
602 case BATTERY_STAT_FULL:
603 val = POWER_SUPPLY_STATUS_FULL;
604 break;
605 case BATTERY_STAT_DISCONNECT:
606 default:
607 val = POWER_SUPPLY_STATUS_DISCHARGING;
608 break;
609 }
610 drvdata->battery_stat = val;
611
612 return 0;
613 }
614
615 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
616 {
617 /* notify only the autonomous event by device */
618 if ((drvdata->battery_in_query == false) &&
619 (size == BATTERY_REPORT_SIZE))
620 power_supply_changed(drvdata->battery);
621
622 return 0;
623 }
624
625 static int asus_battery_query(struct asus_drvdata *drvdata)
626 {
627 u8 *buf;
628 int ret = 0;
629
630 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
631 if (!buf)
632 return -ENOMEM;
633
634 drvdata->battery_in_query = true;
635 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
636 buf, BATTERY_REPORT_SIZE,
637 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
638 drvdata->battery_in_query = false;
639 if (ret == BATTERY_REPORT_SIZE)
640 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
641 else
642 ret = -ENODATA;
643
644 kfree(buf);
645
646 return ret;
647 }
648
649 static enum power_supply_property asus_battery_props[] = {
650 POWER_SUPPLY_PROP_STATUS,
651 POWER_SUPPLY_PROP_PRESENT,
652 POWER_SUPPLY_PROP_CAPACITY,
653 POWER_SUPPLY_PROP_SCOPE,
654 POWER_SUPPLY_PROP_MODEL_NAME,
655 };
656
657 #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
658
659 static int asus_battery_get_property(struct power_supply *psy,
660 enum power_supply_property psp,
661 union power_supply_propval *val)
662 {
663 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
664 int ret = 0;
665
666 switch (psp) {
667 case POWER_SUPPLY_PROP_STATUS:
668 case POWER_SUPPLY_PROP_CAPACITY:
669 if (time_before(drvdata->battery_next_query, jiffies)) {
670 drvdata->battery_next_query =
671 jiffies + QUERY_MIN_INTERVAL;
672 ret = asus_battery_query(drvdata);
673 if (ret)
674 return ret;
675 }
676 if (psp == POWER_SUPPLY_PROP_STATUS)
677 val->intval = drvdata->battery_stat;
678 else
679 val->intval = drvdata->battery_capacity;
680 break;
681 case POWER_SUPPLY_PROP_PRESENT:
682 val->intval = 1;
683 break;
684 case POWER_SUPPLY_PROP_SCOPE:
685 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
686 break;
687 case POWER_SUPPLY_PROP_MODEL_NAME:
688 val->strval = drvdata->hdev->name;
689 break;
690 default:
691 ret = -EINVAL;
692 break;
693 }
694
695 return ret;
696 }
697
698 static int asus_battery_probe(struct hid_device *hdev)
699 {
700 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
701 struct power_supply_config pscfg = { .drv_data = drvdata };
702 int ret = 0;
703
704 drvdata->battery_capacity = 0;
705 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
706 drvdata->battery_in_query = false;
707
708 drvdata->battery_desc.properties = asus_battery_props;
709 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
710 drvdata->battery_desc.get_property = asus_battery_get_property;
711 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
712 drvdata->battery_desc.use_for_apm = 0;
713 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
714 "asus-keyboard-%s-battery",
715 strlen(hdev->uniq) ?
716 hdev->uniq : dev_name(&hdev->dev));
717 if (!drvdata->battery_desc.name)
718 return -ENOMEM;
719
720 drvdata->battery_next_query = jiffies;
721
722 drvdata->battery = devm_power_supply_register(&hdev->dev,
723 &(drvdata->battery_desc), &pscfg);
724 if (IS_ERR(drvdata->battery)) {
725 ret = PTR_ERR(drvdata->battery);
726 drvdata->battery = NULL;
727 hid_err(hdev, "Unable to register battery device\n");
728 return ret;
729 }
730
731 power_supply_powers(drvdata->battery, &hdev->dev);
732
733 return ret;
734 }
735
736 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
737 {
738 struct input_dev *input = hi->input;
739 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
740
741 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
742 if (drvdata->quirks & QUIRK_T100CHI &&
743 hi->report->id != T100CHI_MOUSE_REPORT_ID)
744 return 0;
745
746 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
747 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
748 switch (hi->report->id) {
749 case E1239T_TP_TOGGLE_REPORT_ID:
750 input_set_capability(input, EV_KEY, KEY_F21);
751 input->name = "Asus Touchpad Keys";
752 drvdata->tp_kbd_input = input;
753 return 0;
754 case INPUT_REPORT_ID:
755 break; /* Touchpad report, handled below */
756 default:
757 return 0; /* Ignore other reports */
758 }
759 }
760
761 if (drvdata->tp) {
762 int ret;
763
764 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
765 drvdata->tp->max_x, 0, 0);
766 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
767 drvdata->tp->max_y, 0, 0);
768 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
769 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
770
771 if (drvdata->tp->contact_size >= 5) {
772 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
773 MAX_TOUCH_MAJOR, 0, 0);
774 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
775 MAX_TOUCH_MAJOR, 0, 0);
776 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
777 MAX_PRESSURE, 0, 0);
778 }
779
780 __set_bit(BTN_LEFT, input->keybit);
781 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
782
783 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
784 INPUT_MT_POINTER);
785
786 if (ret) {
787 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
788 return ret;
789 }
790 }
791
792 drvdata->input = input;
793
794 if (drvdata->enable_backlight &&
795 !asus_kbd_wmi_led_control_present(hdev) &&
796 asus_kbd_register_leds(hdev))
797 hid_warn(hdev, "Failed to initialize backlight.\n");
798
799 return 0;
800 }
801
802 #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
803 max, EV_KEY, (c))
804 static int asus_input_mapping(struct hid_device *hdev,
805 struct hid_input *hi, struct hid_field *field,
806 struct hid_usage *usage, unsigned long **bit,
807 int *max)
808 {
809 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
810
811 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
812 /* Don't map anything from the HID report.
813 * We do it all manually in asus_input_configured
814 */
815 return -1;
816 }
817
818 /*
819 * Ignore a bunch of bogus collections in the T100CHI descriptor.
820 * This avoids a bunch of non-functional hid_input devices getting
821 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
822 */
823 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
824 (field->application == (HID_UP_GENDESK | 0x0080) ||
825 field->application == HID_GD_MOUSE ||
826 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
827 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
828 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
829 return -1;
830
831 /* ASUS-specific keyboard hotkeys and led backlight */
832 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
833 switch (usage->hid & HID_USAGE) {
834 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
835 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
836 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
837 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
838 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
839 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
840 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
841 case 0xb5: asus_map_key_clear(KEY_CALC); break;
842 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
843 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
844 case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break;
845
846 case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */
847 case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */
848 case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */
849 case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */
850 case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */
851 case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */
852 case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */
853 case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */
854 case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */
855 case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */
856 case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */
857 case 0xa5: asus_map_key_clear(KEY_F15); break; /* ROG Ally left back */
858 case 0xa6: asus_map_key_clear(KEY_F16); break; /* ROG Ally QAM button */
859 case 0xa7: asus_map_key_clear(KEY_F17); break; /* ROG Ally ROG long-press */
860 case 0xa8: asus_map_key_clear(KEY_F18); break; /* ROG Ally ROG long-press-release */
861
862 default:
863 /* ASUS lazily declares 256 usages, ignore the rest,
864 * as some make the keyboard appear as a pointer device. */
865 return -1;
866 }
867
868 /*
869 * Check and enable backlight only on devices with UsagePage ==
870 * 0xff31 to avoid initializing the keyboard firmware multiple
871 * times on devices with multiple HID descriptors but same
872 * PID/VID.
873 */
874 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
875 drvdata->enable_backlight = true;
876
877 set_bit(EV_REP, hi->input->evbit);
878 return 1;
879 }
880
881 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
882 switch (usage->hid & HID_USAGE) {
883 case 0xff01: asus_map_key_clear(BTN_1); break;
884 case 0xff02: asus_map_key_clear(BTN_2); break;
885 case 0xff03: asus_map_key_clear(BTN_3); break;
886 case 0xff04: asus_map_key_clear(BTN_4); break;
887 case 0xff05: asus_map_key_clear(BTN_5); break;
888 case 0xff06: asus_map_key_clear(BTN_6); break;
889 case 0xff07: asus_map_key_clear(BTN_7); break;
890 case 0xff08: asus_map_key_clear(BTN_8); break;
891 case 0xff09: asus_map_key_clear(BTN_9); break;
892 case 0xff0a: asus_map_key_clear(BTN_A); break;
893 case 0xff0b: asus_map_key_clear(BTN_B); break;
894 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
895 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
896 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
897 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
898 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
899 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
900 default:
901 return 0;
902 }
903
904 set_bit(EV_REP, hi->input->evbit);
905 return 1;
906 }
907
908 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
909 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
910 switch (usage->hid & HID_USAGE) {
911 case 0xe2: /* Mute */
912 case 0xe9: /* Volume up */
913 case 0xea: /* Volume down */
914 return 0;
915 default:
916 /* Ignore dummy Consumer usages which make the
917 * keyboard incorrectly appear as a pointer device.
918 */
919 return -1;
920 }
921 }
922
923 /*
924 * The mute button is broken and only sends press events, we
925 * deal with this in our raw_event handler, so do not map it.
926 */
927 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
928 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
929 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
930 return -1;
931 }
932
933 return 0;
934 }
935
936 static int asus_start_multitouch(struct hid_device *hdev)
937 {
938 int ret;
939 static const unsigned char buf[] = {
940 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
941 };
942 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
943
944 if (!dmabuf) {
945 ret = -ENOMEM;
946 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
947 return ret;
948 }
949
950 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
951 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
952
953 kfree(dmabuf);
954
955 if (ret != sizeof(buf)) {
956 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
957 return ret;
958 }
959
960 return 0;
961 }
962
963 static int __maybe_unused asus_resume(struct hid_device *hdev) {
964 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
965 int ret = 0;
966
967 if (drvdata->kbd_backlight) {
968 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4,
969 drvdata->kbd_backlight->cdev.brightness };
970 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
971 if (ret < 0) {
972 hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret);
973 goto asus_resume_err;
974 }
975 }
976
977 asus_resume_err:
978 return ret;
979 }
980
981 static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
982 {
983 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
984
985 if (drvdata->tp)
986 return asus_start_multitouch(hdev);
987
988 return 0;
989 }
990
991 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
992 {
993 int ret;
994 struct asus_drvdata *drvdata;
995
996 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
997 if (drvdata == NULL) {
998 hid_err(hdev, "Can't alloc Asus descriptor\n");
999 return -ENOMEM;
1000 }
1001
1002 hid_set_drvdata(hdev, drvdata);
1003
1004 drvdata->quirks = id->driver_data;
1005
1006 /*
1007 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
1008 * Thus, identify T90CHI dock with product name string.
1009 */
1010 if (strstr(hdev->name, "T90CHI")) {
1011 drvdata->quirks &= ~QUIRK_T100CHI;
1012 drvdata->quirks |= QUIRK_T90CHI;
1013 }
1014
1015 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1016 drvdata->tp = &asus_i2c_tp;
1017
1018 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
1019 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1020
1021 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1022 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
1023 /*
1024 * The T100HA uses the same USB-ids as the T100TAF and
1025 * the T200TA uses the same USB-ids as the T100TA, while
1026 * both have different max x/y values as the T100TA[F].
1027 */
1028 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1029 drvdata->tp = &asus_t100ha_tp;
1030 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1031 drvdata->tp = &asus_t200ta_tp;
1032 else
1033 drvdata->tp = &asus_t100ta_tp;
1034 }
1035 }
1036
1037 if (drvdata->quirks & QUIRK_T100CHI) {
1038 /*
1039 * All functionality is on a single HID interface and for
1040 * userspace the touchpad must be a separate input_dev.
1041 */
1042 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1043 drvdata->tp = &asus_t100chi_tp;
1044 }
1045
1046 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
1047 struct usb_host_interface *alt =
1048 to_usb_interface(hdev->dev.parent)->altsetting;
1049
1050 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
1051 /* For separate input-devs for tp and tp toggle key */
1052 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1053 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1054 drvdata->tp = &medion_e1239t_tp;
1055 }
1056 }
1057
1058 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1059 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1060
1061 drvdata->hdev = hdev;
1062
1063 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1064 ret = asus_battery_probe(hdev);
1065 if (ret) {
1066 hid_err(hdev,
1067 "Asus hid battery_probe failed: %d\n", ret);
1068 return ret;
1069 }
1070 }
1071
1072 ret = hid_parse(hdev);
1073 if (ret) {
1074 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1075 return ret;
1076 }
1077
1078 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1079 if (ret) {
1080 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1081 return ret;
1082 }
1083
1084 if (!drvdata->input) {
1085 hid_err(hdev, "Asus input not registered\n");
1086 ret = -ENOMEM;
1087 goto err_stop_hw;
1088 }
1089
1090 if (drvdata->tp) {
1091 drvdata->input->name = "Asus TouchPad";
1092 } else {
1093 drvdata->input->name = "Asus Keyboard";
1094 }
1095
1096 if (drvdata->tp) {
1097 ret = asus_start_multitouch(hdev);
1098 if (ret)
1099 goto err_stop_hw;
1100 }
1101
1102 return 0;
1103 err_stop_hw:
1104 hid_hw_stop(hdev);
1105 return ret;
1106 }
1107
1108 static void asus_remove(struct hid_device *hdev)
1109 {
1110 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1111 unsigned long flags;
1112
1113 if (drvdata->kbd_backlight) {
1114 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags);
1115 drvdata->kbd_backlight->removed = true;
1116 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags);
1117
1118 cancel_work_sync(&drvdata->kbd_backlight->work);
1119 }
1120
1121 hid_hw_stop(hdev);
1122 }
1123
1124 static const __u8 asus_g752_fixed_rdesc[] = {
1125 0x19, 0x00, /* Usage Minimum (0x00) */
1126 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
1127 };
1128
1129 static const __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1130 unsigned int *rsize)
1131 {
1132 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1133
1134 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1135 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1136 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1137 rdesc[55] = 0xdd;
1138 }
1139 /* For the T100TA/T200TA keyboard dock */
1140 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1141 (*rsize == 76 || *rsize == 101) &&
1142 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1143 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1144 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1145 }
1146 /* For the T100CHI/T90CHI keyboard dock */
1147 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1148 int rsize_orig;
1149 int offs;
1150
1151 if (drvdata->quirks & QUIRK_T100CHI) {
1152 rsize_orig = 403;
1153 offs = 388;
1154 } else {
1155 rsize_orig = 306;
1156 offs = 291;
1157 }
1158
1159 /*
1160 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1161 * (FFh) and clear the flags in the Input() byte.
1162 * Note the descriptor has a bogus 0 byte at the end so we
1163 * only need 1 extra byte.
1164 */
1165 if (*rsize == rsize_orig &&
1166 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1167 *rsize = rsize_orig + 1;
1168 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1169 if (!rdesc)
1170 return NULL;
1171
1172 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1173 drvdata->quirks & QUIRK_T100CHI ?
1174 "T100CHI" : "T90CHI");
1175 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1176 rdesc[offs] = 0x19;
1177 rdesc[offs + 1] = 0x00;
1178 rdesc[offs + 2] = 0x29;
1179 rdesc[offs + 3] = 0xff;
1180 rdesc[offs + 14] = 0x00;
1181 }
1182 }
1183
1184 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1185 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1186 /* report is missing usage minimum and maximum */
1187 __u8 *new_rdesc;
1188 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1189
1190 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1191 if (new_rdesc == NULL)
1192 return rdesc;
1193
1194 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1195 /* copy the valid part */
1196 memcpy(new_rdesc, rdesc, 61);
1197 /* insert missing part */
1198 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1199 /* copy remaining data */
1200 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1201
1202 *rsize = new_size;
1203 rdesc = new_rdesc;
1204 }
1205
1206 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
1207 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a &&
1208 rdesc[204] == 0x95 && rdesc[205] == 0x05) {
1209 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n");
1210 rdesc[205] = 0x01;
1211 }
1212
1213 /* match many more n-key devices */
1214 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && *rsize > 15) {
1215 for (int i = 0; i < *rsize - 15; i++) {
1216 /* offset to the count from 0x5a report part always 14 */
1217 if (rdesc[i] == 0x85 && rdesc[i + 1] == 0x5a &&
1218 rdesc[i + 14] == 0x95 && rdesc[i + 15] == 0x05) {
1219 hid_info(hdev, "Fixing up Asus N-Key report descriptor\n");
1220 rdesc[i + 15] = 0x01;
1221 break;
1222 }
1223 }
1224 }
1225
1226 return rdesc;
1227 }
1228
1229 static const struct hid_device_id asus_devices[] = {
1230 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1231 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1232 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1233 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1234 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1235 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1236 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1237 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1238 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1239 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1240 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1241 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1242 QUIRK_USE_KBD_BACKLIGHT },
1243 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1244 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1245 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1246 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1247 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1248 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1249 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1250 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD3),
1251 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1252 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1253 USB_DEVICE_ID_ASUSTEK_ROG_Z13_LIGHTBAR),
1254 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1255 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1256 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY),
1257 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1258 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1259 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X),
1260 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1261 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1262 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
1263 QUIRK_ROG_CLAYMORE_II_KEYBOARD },
1264 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1265 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1266 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1267 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1268 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1269 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1270 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1271 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1272 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1273 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1274 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1275 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1276 QUIRK_MEDION_E1239T },
1277 /*
1278 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
1279 * part, while letting hid-multitouch.c handle the touchpad.
1280 */
1281 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1282 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
1283 { }
1284 };
1285 MODULE_DEVICE_TABLE(hid, asus_devices);
1286
1287 static struct hid_driver asus_driver = {
1288 .name = "asus",
1289 .id_table = asus_devices,
1290 .report_fixup = asus_report_fixup,
1291 .probe = asus_probe,
1292 .remove = asus_remove,
1293 .input_mapping = asus_input_mapping,
1294 .input_configured = asus_input_configured,
1295 #ifdef CONFIG_PM
1296 .reset_resume = asus_reset_resume,
1297 .resume = asus_resume,
1298 #endif
1299 .event = asus_event,
1300 .raw_event = asus_raw_event
1301 };
1302 module_hid_driver(asus_driver);
1303
1304 MODULE_LICENSE("GPL");
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