Loading...
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
37MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
38MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
39MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
40MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
41MODULE_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
97struct 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
106struct 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
116struct 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
132static int asus_report_battery(struct asus_drvdata *, u8 *, int);
133
134static 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
142static 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
152static 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
162static 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
172static 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
182static 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
192static 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 */
220static 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
250static 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
283static 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
311static 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
324static 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 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) {
339 /*
340 * Skip these report ID, the device emits a continuous stream associated
341 * with the AURA mode it is in which looks like an 'echo'.
342 */
343 if (report->id == FEATURE_KBD_LED_REPORT_ID1 ||
344 report->id == FEATURE_KBD_LED_REPORT_ID2) {
345 return -1;
346 /* Additional report filtering */
347 } else if (report->id == FEATURE_KBD_REPORT_ID) {
348 /*
349 * G14 and G15 send these codes on some keypresses with no
350 * discernable reason for doing so. We'll filter them out to avoid
351 * unmapped warning messages later.
352 */
353 if (data[1] == 0xea || data[1] == 0xec || data[1] == 0x02 ||
354 data[1] == 0x8a || data[1] == 0x9e) {
355 return -1;
356 }
357 }
358 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
359 /*
360 * G713 and G733 send these codes on some keypresses, depending on
361 * the key pressed it can trigger a shutdown event if not caught.
362 */
363 if(data[0] == 0x02 && data[1] == 0x30) {
364 return -1;
365 }
366 }
367
368 }
369
370 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) {
371 /*
372 * CLAYMORE II keyboard sends this packet when it goes to sleep
373 * this causes the whole system to go into suspend.
374 */
375
376 if(size == 2 && data[0] == 0x02 && data[1] == 0x00) {
377 return -1;
378 }
379 }
380
381 return 0;
382}
383
384static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size)
385{
386 unsigned char *dmabuf;
387 int ret;
388
389 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
390 if (!dmabuf)
391 return -ENOMEM;
392
393 /*
394 * The report ID should be set from the incoming buffer due to LED and key
395 * interfaces having different pages
396 */
397 ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
398 buf_size, HID_FEATURE_REPORT,
399 HID_REQ_SET_REPORT);
400 kfree(dmabuf);
401
402 return ret;
403}
404
405static int asus_kbd_init(struct hid_device *hdev)
406{
407 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
408 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
409 int ret;
410
411 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
412 if (ret < 0)
413 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
414
415 return ret;
416}
417
418static int asus_kbd_get_functions(struct hid_device *hdev,
419 unsigned char *kbd_func)
420{
421 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
422 u8 *readbuf;
423 int ret;
424
425 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
426 if (ret < 0) {
427 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
428 return ret;
429 }
430
431 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
432 if (!readbuf)
433 return -ENOMEM;
434
435 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
436 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
437 HID_REQ_GET_REPORT);
438 if (ret < 0) {
439 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
440 kfree(readbuf);
441 return ret;
442 }
443
444 *kbd_func = readbuf[6];
445
446 kfree(readbuf);
447 return ret;
448}
449
450static int rog_nkey_led_init(struct hid_device *hdev)
451{
452 const u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 };
453 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20,
454 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
455 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1,
456 0x05, 0x20, 0x31, 0x00, 0x08 };
457 int ret;
458
459 hid_info(hdev, "Asus initialise N-KEY Device");
460 /* The first message is an init start */
461 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start));
462 if (ret < 0) {
463 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret);
464 return ret;
465 }
466 /* Followed by a string */
467 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
468 if (ret < 0) {
469 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret);
470 return ret;
471 }
472 /* Followed by a string */
473 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
474 if (ret < 0) {
475 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret);
476 return ret;
477 }
478
479 /* begin second report ID with same data */
480 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2;
481 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2;
482
483 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
484 if (ret < 0) {
485 hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret);
486 return ret;
487 }
488 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
489 if (ret < 0)
490 hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret);
491
492 return ret;
493}
494
495static void asus_schedule_work(struct asus_kbd_leds *led)
496{
497 unsigned long flags;
498
499 spin_lock_irqsave(&led->lock, flags);
500 if (!led->removed)
501 schedule_work(&led->work);
502 spin_unlock_irqrestore(&led->lock, flags);
503}
504
505static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
506 enum led_brightness brightness)
507{
508 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
509 cdev);
510 unsigned long flags;
511
512 spin_lock_irqsave(&led->lock, flags);
513 led->brightness = brightness;
514 spin_unlock_irqrestore(&led->lock, flags);
515
516 asus_schedule_work(led);
517}
518
519static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
520{
521 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
522 cdev);
523 enum led_brightness brightness;
524 unsigned long flags;
525
526 spin_lock_irqsave(&led->lock, flags);
527 brightness = led->brightness;
528 spin_unlock_irqrestore(&led->lock, flags);
529
530 return brightness;
531}
532
533static void asus_kbd_backlight_work(struct work_struct *work)
534{
535 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
536 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
537 int ret;
538 unsigned long flags;
539
540 spin_lock_irqsave(&led->lock, flags);
541 buf[4] = led->brightness;
542 spin_unlock_irqrestore(&led->lock, flags);
543
544 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
545 if (ret < 0)
546 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
547}
548
549/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
550 * precedence. We only activate HID-based backlight control when the
551 * WMI control is not available.
552 */
553static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
554{
555 u32 value;
556 int ret;
557
558 if (!IS_ENABLED(CONFIG_ASUS_WMI))
559 return false;
560
561 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
562 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
563 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
564 if (ret)
565 return false;
566
567 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
568}
569
570static int asus_kbd_register_leds(struct hid_device *hdev)
571{
572 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
573 unsigned char kbd_func;
574 int ret;
575
576 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
577 ret = rog_nkey_led_init(hdev);
578 if (ret < 0)
579 return ret;
580 } else {
581 /* Initialize keyboard */
582 ret = asus_kbd_init(hdev);
583 if (ret < 0)
584 return ret;
585
586 /* Get keyboard functions */
587 ret = asus_kbd_get_functions(hdev, &kbd_func);
588 if (ret < 0)
589 return ret;
590
591 /* Check for backlight support */
592 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
593 return -ENODEV;
594 }
595
596 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
597 sizeof(struct asus_kbd_leds),
598 GFP_KERNEL);
599 if (!drvdata->kbd_backlight)
600 return -ENOMEM;
601
602 drvdata->kbd_backlight->removed = false;
603 drvdata->kbd_backlight->brightness = 0;
604 drvdata->kbd_backlight->hdev = hdev;
605 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
606 drvdata->kbd_backlight->cdev.max_brightness = 3;
607 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
608 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
609 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
610 spin_lock_init(&drvdata->kbd_backlight->lock);
611
612 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
613 if (ret < 0) {
614 /* No need to have this still around */
615 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
616 }
617
618 return ret;
619}
620
621/*
622 * [0] REPORT_ID (same value defined in report descriptor)
623 * [1] rest battery level. range [0..255]
624 * [2]..[7] Bluetooth hardware address (MAC address)
625 * [8] charging status
626 * = 0 : AC offline / discharging
627 * = 1 : AC online / charging
628 * = 2 : AC online / fully charged
629 */
630static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
631{
632 u8 sts;
633 u8 lvl;
634 int val;
635
636 lvl = data[1];
637 sts = data[8];
638
639 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
640
641 switch (sts) {
642 case BATTERY_STAT_CHARGING:
643 val = POWER_SUPPLY_STATUS_CHARGING;
644 break;
645 case BATTERY_STAT_FULL:
646 val = POWER_SUPPLY_STATUS_FULL;
647 break;
648 case BATTERY_STAT_DISCONNECT:
649 default:
650 val = POWER_SUPPLY_STATUS_DISCHARGING;
651 break;
652 }
653 drvdata->battery_stat = val;
654
655 return 0;
656}
657
658static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
659{
660 /* notify only the autonomous event by device */
661 if ((drvdata->battery_in_query == false) &&
662 (size == BATTERY_REPORT_SIZE))
663 power_supply_changed(drvdata->battery);
664
665 return 0;
666}
667
668static int asus_battery_query(struct asus_drvdata *drvdata)
669{
670 u8 *buf;
671 int ret = 0;
672
673 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
674 if (!buf)
675 return -ENOMEM;
676
677 drvdata->battery_in_query = true;
678 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
679 buf, BATTERY_REPORT_SIZE,
680 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
681 drvdata->battery_in_query = false;
682 if (ret == BATTERY_REPORT_SIZE)
683 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
684 else
685 ret = -ENODATA;
686
687 kfree(buf);
688
689 return ret;
690}
691
692static enum power_supply_property asus_battery_props[] = {
693 POWER_SUPPLY_PROP_STATUS,
694 POWER_SUPPLY_PROP_PRESENT,
695 POWER_SUPPLY_PROP_CAPACITY,
696 POWER_SUPPLY_PROP_SCOPE,
697 POWER_SUPPLY_PROP_MODEL_NAME,
698};
699
700#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
701
702static int asus_battery_get_property(struct power_supply *psy,
703 enum power_supply_property psp,
704 union power_supply_propval *val)
705{
706 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
707 int ret = 0;
708
709 switch (psp) {
710 case POWER_SUPPLY_PROP_STATUS:
711 case POWER_SUPPLY_PROP_CAPACITY:
712 if (time_before(drvdata->battery_next_query, jiffies)) {
713 drvdata->battery_next_query =
714 jiffies + QUERY_MIN_INTERVAL;
715 ret = asus_battery_query(drvdata);
716 if (ret)
717 return ret;
718 }
719 if (psp == POWER_SUPPLY_PROP_STATUS)
720 val->intval = drvdata->battery_stat;
721 else
722 val->intval = drvdata->battery_capacity;
723 break;
724 case POWER_SUPPLY_PROP_PRESENT:
725 val->intval = 1;
726 break;
727 case POWER_SUPPLY_PROP_SCOPE:
728 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
729 break;
730 case POWER_SUPPLY_PROP_MODEL_NAME:
731 val->strval = drvdata->hdev->name;
732 break;
733 default:
734 ret = -EINVAL;
735 break;
736 }
737
738 return ret;
739}
740
741static int asus_battery_probe(struct hid_device *hdev)
742{
743 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
744 struct power_supply_config pscfg = { .drv_data = drvdata };
745 int ret = 0;
746
747 drvdata->battery_capacity = 0;
748 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
749 drvdata->battery_in_query = false;
750
751 drvdata->battery_desc.properties = asus_battery_props;
752 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
753 drvdata->battery_desc.get_property = asus_battery_get_property;
754 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
755 drvdata->battery_desc.use_for_apm = 0;
756 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
757 "asus-keyboard-%s-battery",
758 strlen(hdev->uniq) ?
759 hdev->uniq : dev_name(&hdev->dev));
760 if (!drvdata->battery_desc.name)
761 return -ENOMEM;
762
763 drvdata->battery_next_query = jiffies;
764
765 drvdata->battery = devm_power_supply_register(&hdev->dev,
766 &(drvdata->battery_desc), &pscfg);
767 if (IS_ERR(drvdata->battery)) {
768 ret = PTR_ERR(drvdata->battery);
769 drvdata->battery = NULL;
770 hid_err(hdev, "Unable to register battery device\n");
771 return ret;
772 }
773
774 power_supply_powers(drvdata->battery, &hdev->dev);
775
776 return ret;
777}
778
779static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
780{
781 struct input_dev *input = hi->input;
782 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
783
784 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
785 if (drvdata->quirks & QUIRK_T100CHI &&
786 hi->report->id != T100CHI_MOUSE_REPORT_ID)
787 return 0;
788
789 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
790 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
791 switch (hi->report->id) {
792 case E1239T_TP_TOGGLE_REPORT_ID:
793 input_set_capability(input, EV_KEY, KEY_F21);
794 input->name = "Asus Touchpad Keys";
795 drvdata->tp_kbd_input = input;
796 return 0;
797 case INPUT_REPORT_ID:
798 break; /* Touchpad report, handled below */
799 default:
800 return 0; /* Ignore other reports */
801 }
802 }
803
804 if (drvdata->tp) {
805 int ret;
806
807 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
808 drvdata->tp->max_x, 0, 0);
809 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
810 drvdata->tp->max_y, 0, 0);
811 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
812 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
813
814 if (drvdata->tp->contact_size >= 5) {
815 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
816 MAX_TOUCH_MAJOR, 0, 0);
817 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
818 MAX_TOUCH_MAJOR, 0, 0);
819 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
820 MAX_PRESSURE, 0, 0);
821 }
822
823 __set_bit(BTN_LEFT, input->keybit);
824 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
825
826 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
827 INPUT_MT_POINTER);
828
829 if (ret) {
830 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
831 return ret;
832 }
833 }
834
835 drvdata->input = input;
836
837 if (drvdata->enable_backlight &&
838 !asus_kbd_wmi_led_control_present(hdev) &&
839 asus_kbd_register_leds(hdev))
840 hid_warn(hdev, "Failed to initialize backlight.\n");
841
842 return 0;
843}
844
845#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
846 max, EV_KEY, (c))
847static int asus_input_mapping(struct hid_device *hdev,
848 struct hid_input *hi, struct hid_field *field,
849 struct hid_usage *usage, unsigned long **bit,
850 int *max)
851{
852 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
853
854 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
855 /* Don't map anything from the HID report.
856 * We do it all manually in asus_input_configured
857 */
858 return -1;
859 }
860
861 /*
862 * Ignore a bunch of bogus collections in the T100CHI descriptor.
863 * This avoids a bunch of non-functional hid_input devices getting
864 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
865 */
866 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
867 (field->application == (HID_UP_GENDESK | 0x0080) ||
868 field->application == HID_GD_MOUSE ||
869 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
870 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
871 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
872 return -1;
873
874 /* ASUS-specific keyboard hotkeys and led backlight */
875 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
876 switch (usage->hid & HID_USAGE) {
877 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
878 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
879 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
880 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
881 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
882 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
883 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
884 case 0xb5: asus_map_key_clear(KEY_CALC); break;
885 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
886 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
887 case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break;
888
889 case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */
890 case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */
891 case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */
892 case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */
893 case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */
894 case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */
895 case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */
896 case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */
897 case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */
898 case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */
899 case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */
900
901
902 default:
903 /* ASUS lazily declares 256 usages, ignore the rest,
904 * as some make the keyboard appear as a pointer device. */
905 return -1;
906 }
907
908 /*
909 * Check and enable backlight only on devices with UsagePage ==
910 * 0xff31 to avoid initializing the keyboard firmware multiple
911 * times on devices with multiple HID descriptors but same
912 * PID/VID.
913 */
914 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
915 drvdata->enable_backlight = true;
916
917 set_bit(EV_REP, hi->input->evbit);
918 return 1;
919 }
920
921 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
922 switch (usage->hid & HID_USAGE) {
923 case 0xff01: asus_map_key_clear(BTN_1); break;
924 case 0xff02: asus_map_key_clear(BTN_2); break;
925 case 0xff03: asus_map_key_clear(BTN_3); break;
926 case 0xff04: asus_map_key_clear(BTN_4); break;
927 case 0xff05: asus_map_key_clear(BTN_5); break;
928 case 0xff06: asus_map_key_clear(BTN_6); break;
929 case 0xff07: asus_map_key_clear(BTN_7); break;
930 case 0xff08: asus_map_key_clear(BTN_8); break;
931 case 0xff09: asus_map_key_clear(BTN_9); break;
932 case 0xff0a: asus_map_key_clear(BTN_A); break;
933 case 0xff0b: asus_map_key_clear(BTN_B); break;
934 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
935 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
936 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
937 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
938 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
939 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
940 default:
941 return 0;
942 }
943
944 set_bit(EV_REP, hi->input->evbit);
945 return 1;
946 }
947
948 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
949 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
950 switch (usage->hid & HID_USAGE) {
951 case 0xe2: /* Mute */
952 case 0xe9: /* Volume up */
953 case 0xea: /* Volume down */
954 return 0;
955 default:
956 /* Ignore dummy Consumer usages which make the
957 * keyboard incorrectly appear as a pointer device.
958 */
959 return -1;
960 }
961 }
962
963 /*
964 * The mute button is broken and only sends press events, we
965 * deal with this in our raw_event handler, so do not map it.
966 */
967 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
968 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
969 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
970 return -1;
971 }
972
973 return 0;
974}
975
976static int asus_start_multitouch(struct hid_device *hdev)
977{
978 int ret;
979 static const unsigned char buf[] = {
980 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
981 };
982 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
983
984 if (!dmabuf) {
985 ret = -ENOMEM;
986 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
987 return ret;
988 }
989
990 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
991 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
992
993 kfree(dmabuf);
994
995 if (ret != sizeof(buf)) {
996 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
997 return ret;
998 }
999
1000 return 0;
1001}
1002
1003static int __maybe_unused asus_resume(struct hid_device *hdev) {
1004 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1005 int ret = 0;
1006
1007 if (drvdata->kbd_backlight) {
1008 const u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4,
1009 drvdata->kbd_backlight->cdev.brightness };
1010 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
1011 if (ret < 0) {
1012 hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret);
1013 goto asus_resume_err;
1014 }
1015 }
1016
1017asus_resume_err:
1018 return ret;
1019}
1020
1021static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
1022{
1023 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1024
1025 if (drvdata->tp)
1026 return asus_start_multitouch(hdev);
1027
1028 return 0;
1029}
1030
1031static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
1032{
1033 int ret;
1034 struct asus_drvdata *drvdata;
1035
1036 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
1037 if (drvdata == NULL) {
1038 hid_err(hdev, "Can't alloc Asus descriptor\n");
1039 return -ENOMEM;
1040 }
1041
1042 hid_set_drvdata(hdev, drvdata);
1043
1044 drvdata->quirks = id->driver_data;
1045
1046 /*
1047 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
1048 * Thus, identify T90CHI dock with product name string.
1049 */
1050 if (strstr(hdev->name, "T90CHI")) {
1051 drvdata->quirks &= ~QUIRK_T100CHI;
1052 drvdata->quirks |= QUIRK_T90CHI;
1053 }
1054
1055 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1056 drvdata->tp = &asus_i2c_tp;
1057
1058 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
1059 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1060
1061 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1062 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
1063 /*
1064 * The T100HA uses the same USB-ids as the T100TAF and
1065 * the T200TA uses the same USB-ids as the T100TA, while
1066 * both have different max x/y values as the T100TA[F].
1067 */
1068 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1069 drvdata->tp = &asus_t100ha_tp;
1070 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1071 drvdata->tp = &asus_t200ta_tp;
1072 else
1073 drvdata->tp = &asus_t100ta_tp;
1074 }
1075 }
1076
1077 if (drvdata->quirks & QUIRK_T100CHI) {
1078 /*
1079 * All functionality is on a single HID interface and for
1080 * userspace the touchpad must be a separate input_dev.
1081 */
1082 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1083 drvdata->tp = &asus_t100chi_tp;
1084 }
1085
1086 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
1087 struct usb_host_interface *alt =
1088 to_usb_interface(hdev->dev.parent)->altsetting;
1089
1090 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
1091 /* For separate input-devs for tp and tp toggle key */
1092 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1093 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1094 drvdata->tp = &medion_e1239t_tp;
1095 }
1096 }
1097
1098 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1099 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1100
1101 drvdata->hdev = hdev;
1102
1103 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1104 ret = asus_battery_probe(hdev);
1105 if (ret) {
1106 hid_err(hdev,
1107 "Asus hid battery_probe failed: %d\n", ret);
1108 return ret;
1109 }
1110 }
1111
1112 ret = hid_parse(hdev);
1113 if (ret) {
1114 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1115 return ret;
1116 }
1117
1118 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1119 if (ret) {
1120 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1121 return ret;
1122 }
1123
1124 if (!drvdata->input) {
1125 hid_err(hdev, "Asus input not registered\n");
1126 ret = -ENOMEM;
1127 goto err_stop_hw;
1128 }
1129
1130 if (drvdata->tp) {
1131 drvdata->input->name = "Asus TouchPad";
1132 } else {
1133 drvdata->input->name = "Asus Keyboard";
1134 }
1135
1136 if (drvdata->tp) {
1137 ret = asus_start_multitouch(hdev);
1138 if (ret)
1139 goto err_stop_hw;
1140 }
1141
1142 return 0;
1143err_stop_hw:
1144 hid_hw_stop(hdev);
1145 return ret;
1146}
1147
1148static void asus_remove(struct hid_device *hdev)
1149{
1150 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1151 unsigned long flags;
1152
1153 if (drvdata->kbd_backlight) {
1154 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags);
1155 drvdata->kbd_backlight->removed = true;
1156 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags);
1157
1158 cancel_work_sync(&drvdata->kbd_backlight->work);
1159 }
1160
1161 hid_hw_stop(hdev);
1162}
1163
1164static const __u8 asus_g752_fixed_rdesc[] = {
1165 0x19, 0x00, /* Usage Minimum (0x00) */
1166 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
1167};
1168
1169static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1170 unsigned int *rsize)
1171{
1172 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1173
1174 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1175 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1176 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1177 rdesc[55] = 0xdd;
1178 }
1179 /* For the T100TA/T200TA keyboard dock */
1180 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1181 (*rsize == 76 || *rsize == 101) &&
1182 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1183 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1184 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1185 }
1186 /* For the T100CHI/T90CHI keyboard dock */
1187 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1188 int rsize_orig;
1189 int offs;
1190
1191 if (drvdata->quirks & QUIRK_T100CHI) {
1192 rsize_orig = 403;
1193 offs = 388;
1194 } else {
1195 rsize_orig = 306;
1196 offs = 291;
1197 }
1198
1199 /*
1200 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1201 * (FFh) and clear the flags in the Input() byte.
1202 * Note the descriptor has a bogus 0 byte at the end so we
1203 * only need 1 extra byte.
1204 */
1205 if (*rsize == rsize_orig &&
1206 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1207 *rsize = rsize_orig + 1;
1208 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1209 if (!rdesc)
1210 return NULL;
1211
1212 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1213 drvdata->quirks & QUIRK_T100CHI ?
1214 "T100CHI" : "T90CHI");
1215 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1216 rdesc[offs] = 0x19;
1217 rdesc[offs + 1] = 0x00;
1218 rdesc[offs + 2] = 0x29;
1219 rdesc[offs + 3] = 0xff;
1220 rdesc[offs + 14] = 0x00;
1221 }
1222 }
1223
1224 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1225 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1226 /* report is missing usage mninum and maximum */
1227 __u8 *new_rdesc;
1228 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1229
1230 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1231 if (new_rdesc == NULL)
1232 return rdesc;
1233
1234 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1235 /* copy the valid part */
1236 memcpy(new_rdesc, rdesc, 61);
1237 /* insert missing part */
1238 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1239 /* copy remaining data */
1240 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1241
1242 *rsize = new_size;
1243 rdesc = new_rdesc;
1244 }
1245
1246 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
1247 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a &&
1248 rdesc[204] == 0x95 && rdesc[205] == 0x05) {
1249 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n");
1250 rdesc[205] = 0x01;
1251 }
1252
1253 return rdesc;
1254}
1255
1256static const struct hid_device_id asus_devices[] = {
1257 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1258 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1259 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1260 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1261 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1262 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1263 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1264 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1265 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1266 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1267 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1268 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1269 QUIRK_USE_KBD_BACKLIGHT },
1270 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1271 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1272 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1273 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1274 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1275 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1276 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1277 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD3),
1278 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1279 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1280 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
1281 QUIRK_ROG_CLAYMORE_II_KEYBOARD },
1282 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1283 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1284 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1285 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1286 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1287 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1288 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1289 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1290 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1291 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1292 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1293 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1294 QUIRK_MEDION_E1239T },
1295 /*
1296 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
1297 * part, while letting hid-multitouch.c handle the touchpad.
1298 */
1299 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1300 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
1301 { }
1302};
1303MODULE_DEVICE_TABLE(hid, asus_devices);
1304
1305static struct hid_driver asus_driver = {
1306 .name = "asus",
1307 .id_table = asus_devices,
1308 .report_fixup = asus_report_fixup,
1309 .probe = asus_probe,
1310 .remove = asus_remove,
1311 .input_mapping = asus_input_mapping,
1312 .input_configured = asus_input_configured,
1313#ifdef CONFIG_PM
1314 .reset_resume = asus_reset_resume,
1315 .resume = asus_resume,
1316#endif
1317 .event = asus_event,
1318 .raw_event = asus_raw_event
1319};
1320module_hid_driver(asus_driver);
1321
1322MODULE_LICENSE("GPL");
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
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 BATTERY_REPORT_ID (0x03)
63#define BATTERY_REPORT_SIZE (1 + 8)
64#define BATTERY_LEVEL_MAX ((u8)255)
65#define BATTERY_STAT_DISCONNECT (0)
66#define BATTERY_STAT_CHARGING (1)
67#define BATTERY_STAT_FULL (2)
68
69#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
70#define QUIRK_NO_INIT_REPORTS BIT(1)
71#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
72#define QUIRK_IS_MULTITOUCH BIT(3)
73#define QUIRK_NO_CONSUMER_USAGES BIT(4)
74#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
75#define QUIRK_T100_KEYBOARD BIT(6)
76#define QUIRK_T100CHI BIT(7)
77#define QUIRK_G752_KEYBOARD BIT(8)
78#define QUIRK_T101HA_DOCK BIT(9)
79#define QUIRK_T90CHI BIT(10)
80
81#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
82 QUIRK_NO_INIT_REPORTS | \
83 QUIRK_NO_CONSUMER_USAGES)
84#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
85 QUIRK_SKIP_INPUT_MAPPING | \
86 QUIRK_IS_MULTITOUCH)
87
88#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
89
90struct asus_kbd_leds {
91 struct led_classdev cdev;
92 struct hid_device *hdev;
93 struct work_struct work;
94 unsigned int brightness;
95 bool removed;
96};
97
98struct asus_touchpad_info {
99 int max_x;
100 int max_y;
101 int res_x;
102 int res_y;
103 int contact_size;
104 int max_contacts;
105};
106
107struct asus_drvdata {
108 unsigned long quirks;
109 struct hid_device *hdev;
110 struct input_dev *input;
111 struct asus_kbd_leds *kbd_backlight;
112 const struct asus_touchpad_info *tp;
113 bool enable_backlight;
114 struct power_supply *battery;
115 struct power_supply_desc battery_desc;
116 int battery_capacity;
117 int battery_stat;
118 bool battery_in_query;
119 unsigned long battery_next_query;
120};
121
122static int asus_report_battery(struct asus_drvdata *, u8 *, int);
123
124static const struct asus_touchpad_info asus_i2c_tp = {
125 .max_x = 2794,
126 .max_y = 1758,
127 .contact_size = 5,
128 .max_contacts = 5,
129};
130
131static const struct asus_touchpad_info asus_t100ta_tp = {
132 .max_x = 2240,
133 .max_y = 1120,
134 .res_x = 30, /* units/mm */
135 .res_y = 27, /* units/mm */
136 .contact_size = 5,
137 .max_contacts = 5,
138};
139
140static const struct asus_touchpad_info asus_t100ha_tp = {
141 .max_x = 2640,
142 .max_y = 1320,
143 .res_x = 30, /* units/mm */
144 .res_y = 29, /* units/mm */
145 .contact_size = 5,
146 .max_contacts = 5,
147};
148
149static const struct asus_touchpad_info asus_t200ta_tp = {
150 .max_x = 3120,
151 .max_y = 1716,
152 .res_x = 30, /* units/mm */
153 .res_y = 28, /* units/mm */
154 .contact_size = 5,
155 .max_contacts = 5,
156};
157
158static const struct asus_touchpad_info asus_t100chi_tp = {
159 .max_x = 2640,
160 .max_y = 1320,
161 .res_x = 31, /* units/mm */
162 .res_y = 29, /* units/mm */
163 .contact_size = 3,
164 .max_contacts = 4,
165};
166
167static void asus_report_contact_down(struct asus_drvdata *drvdat,
168 int toolType, u8 *data)
169{
170 struct input_dev *input = drvdat->input;
171 int touch_major, pressure, x, y;
172
173 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
174 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
175
176 input_report_abs(input, ABS_MT_POSITION_X, x);
177 input_report_abs(input, ABS_MT_POSITION_Y, y);
178
179 if (drvdat->tp->contact_size < 5)
180 return;
181
182 if (toolType == MT_TOOL_PALM) {
183 touch_major = MAX_TOUCH_MAJOR;
184 pressure = MAX_PRESSURE;
185 } else {
186 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
187 pressure = data[4] & CONTACT_PRESSURE_MASK;
188 }
189
190 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
191 input_report_abs(input, ABS_MT_PRESSURE, pressure);
192}
193
194/* Required for Synaptics Palm Detection */
195static void asus_report_tool_width(struct asus_drvdata *drvdat)
196{
197 struct input_mt *mt = drvdat->input->mt;
198 struct input_mt_slot *oldest;
199 int oldid, count, i;
200
201 if (drvdat->tp->contact_size < 5)
202 return;
203
204 oldest = NULL;
205 oldid = mt->trkid;
206 count = 0;
207
208 for (i = 0; i < mt->num_slots; ++i) {
209 struct input_mt_slot *ps = &mt->slots[i];
210 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
211
212 if (id < 0)
213 continue;
214 if ((id - oldid) & TRKID_SGN) {
215 oldest = ps;
216 oldid = id;
217 }
218 count++;
219 }
220
221 if (oldest) {
222 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
223 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
224 }
225}
226
227static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
228{
229 int i, toolType = MT_TOOL_FINGER;
230 u8 *contactData = data + 2;
231
232 if (size != 3 + drvdat->tp->contact_size * drvdat->tp->max_contacts)
233 return 0;
234
235 for (i = 0; i < drvdat->tp->max_contacts; i++) {
236 bool down = !!(data[1] & BIT(i+3));
237
238 if (drvdat->tp->contact_size >= 5)
239 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
240 MT_TOOL_PALM : MT_TOOL_FINGER;
241
242 input_mt_slot(drvdat->input, i);
243 input_mt_report_slot_state(drvdat->input, toolType, down);
244
245 if (down) {
246 asus_report_contact_down(drvdat, toolType, contactData);
247 contactData += drvdat->tp->contact_size;
248 }
249 }
250
251 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
252 asus_report_tool_width(drvdat);
253
254 input_mt_sync_frame(drvdat->input);
255 input_sync(drvdat->input);
256
257 return 1;
258}
259
260static int asus_event(struct hid_device *hdev, struct hid_field *field,
261 struct hid_usage *usage, __s32 value)
262{
263 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
264 (usage->hid & HID_USAGE) != 0x00 && !usage->type) {
265 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
266 usage->hid & HID_USAGE);
267 }
268
269 return 0;
270}
271
272static int asus_raw_event(struct hid_device *hdev,
273 struct hid_report *report, u8 *data, int size)
274{
275 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
276
277 if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
278 return asus_report_battery(drvdata, data, size);
279
280 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
281 return asus_report_input(drvdata, data, size);
282
283 return 0;
284}
285
286static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
287{
288 unsigned char *dmabuf;
289 int ret;
290
291 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
292 if (!dmabuf)
293 return -ENOMEM;
294
295 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf,
296 buf_size, HID_FEATURE_REPORT,
297 HID_REQ_SET_REPORT);
298 kfree(dmabuf);
299
300 return ret;
301}
302
303static int asus_kbd_init(struct hid_device *hdev)
304{
305 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
306 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
307 int ret;
308
309 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
310 if (ret < 0)
311 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
312
313 return ret;
314}
315
316static int asus_kbd_get_functions(struct hid_device *hdev,
317 unsigned char *kbd_func)
318{
319 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
320 u8 *readbuf;
321 int ret;
322
323 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
324 if (ret < 0) {
325 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
326 return ret;
327 }
328
329 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
330 if (!readbuf)
331 return -ENOMEM;
332
333 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
334 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
335 HID_REQ_GET_REPORT);
336 if (ret < 0) {
337 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
338 kfree(readbuf);
339 return ret;
340 }
341
342 *kbd_func = readbuf[6];
343
344 kfree(readbuf);
345 return ret;
346}
347
348static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
349 enum led_brightness brightness)
350{
351 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
352 cdev);
353 if (led->brightness == brightness)
354 return;
355
356 led->brightness = brightness;
357 schedule_work(&led->work);
358}
359
360static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
361{
362 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
363 cdev);
364
365 return led->brightness;
366}
367
368static void asus_kbd_backlight_work(struct work_struct *work)
369{
370 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
371 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
372 int ret;
373
374 if (led->removed)
375 return;
376
377 buf[4] = led->brightness;
378
379 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
380 if (ret < 0)
381 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
382}
383
384/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
385 * precedence. We only activate HID-based backlight control when the
386 * WMI control is not available.
387 */
388static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
389{
390 u32 value;
391 int ret;
392
393 if (!IS_ENABLED(CONFIG_ASUS_WMI))
394 return false;
395
396 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
397 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
398 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
399 if (ret)
400 return false;
401
402 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
403}
404
405static int asus_kbd_register_leds(struct hid_device *hdev)
406{
407 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
408 unsigned char kbd_func;
409 int ret;
410
411 /* Initialize keyboard */
412 ret = asus_kbd_init(hdev);
413 if (ret < 0)
414 return ret;
415
416 /* Get keyboard functions */
417 ret = asus_kbd_get_functions(hdev, &kbd_func);
418 if (ret < 0)
419 return ret;
420
421 /* Check for backlight support */
422 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
423 return -ENODEV;
424
425 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
426 sizeof(struct asus_kbd_leds),
427 GFP_KERNEL);
428 if (!drvdata->kbd_backlight)
429 return -ENOMEM;
430
431 drvdata->kbd_backlight->removed = false;
432 drvdata->kbd_backlight->brightness = 0;
433 drvdata->kbd_backlight->hdev = hdev;
434 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
435 drvdata->kbd_backlight->cdev.max_brightness = 3;
436 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
437 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
438 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
439
440 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
441 if (ret < 0) {
442 /* No need to have this still around */
443 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
444 }
445
446 return ret;
447}
448
449/*
450 * [0] REPORT_ID (same value defined in report descriptor)
451 * [1] rest battery level. range [0..255]
452 * [2]..[7] Bluetooth hardware address (MAC address)
453 * [8] charging status
454 * = 0 : AC offline / discharging
455 * = 1 : AC online / charging
456 * = 2 : AC online / fully charged
457 */
458static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
459{
460 u8 sts;
461 u8 lvl;
462 int val;
463
464 lvl = data[1];
465 sts = data[8];
466
467 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
468
469 switch (sts) {
470 case BATTERY_STAT_CHARGING:
471 val = POWER_SUPPLY_STATUS_CHARGING;
472 break;
473 case BATTERY_STAT_FULL:
474 val = POWER_SUPPLY_STATUS_FULL;
475 break;
476 case BATTERY_STAT_DISCONNECT:
477 default:
478 val = POWER_SUPPLY_STATUS_DISCHARGING;
479 break;
480 }
481 drvdata->battery_stat = val;
482
483 return 0;
484}
485
486static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
487{
488 /* notify only the autonomous event by device */
489 if ((drvdata->battery_in_query == false) &&
490 (size == BATTERY_REPORT_SIZE))
491 power_supply_changed(drvdata->battery);
492
493 return 0;
494}
495
496static int asus_battery_query(struct asus_drvdata *drvdata)
497{
498 u8 *buf;
499 int ret = 0;
500
501 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
502 if (!buf)
503 return -ENOMEM;
504
505 drvdata->battery_in_query = true;
506 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
507 buf, BATTERY_REPORT_SIZE,
508 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
509 drvdata->battery_in_query = false;
510 if (ret == BATTERY_REPORT_SIZE)
511 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
512 else
513 ret = -ENODATA;
514
515 kfree(buf);
516
517 return ret;
518}
519
520static enum power_supply_property asus_battery_props[] = {
521 POWER_SUPPLY_PROP_STATUS,
522 POWER_SUPPLY_PROP_PRESENT,
523 POWER_SUPPLY_PROP_CAPACITY,
524 POWER_SUPPLY_PROP_SCOPE,
525 POWER_SUPPLY_PROP_MODEL_NAME,
526};
527
528#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
529
530static int asus_battery_get_property(struct power_supply *psy,
531 enum power_supply_property psp,
532 union power_supply_propval *val)
533{
534 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
535 int ret = 0;
536
537 switch (psp) {
538 case POWER_SUPPLY_PROP_STATUS:
539 case POWER_SUPPLY_PROP_CAPACITY:
540 if (time_before(drvdata->battery_next_query, jiffies)) {
541 drvdata->battery_next_query =
542 jiffies + QUERY_MIN_INTERVAL;
543 ret = asus_battery_query(drvdata);
544 if (ret)
545 return ret;
546 }
547 if (psp == POWER_SUPPLY_PROP_STATUS)
548 val->intval = drvdata->battery_stat;
549 else
550 val->intval = drvdata->battery_capacity;
551 break;
552 case POWER_SUPPLY_PROP_PRESENT:
553 val->intval = 1;
554 break;
555 case POWER_SUPPLY_PROP_SCOPE:
556 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
557 break;
558 case POWER_SUPPLY_PROP_MODEL_NAME:
559 val->strval = drvdata->hdev->name;
560 break;
561 default:
562 ret = -EINVAL;
563 break;
564 }
565
566 return ret;
567}
568
569static int asus_battery_probe(struct hid_device *hdev)
570{
571 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
572 struct power_supply_config pscfg = { .drv_data = drvdata };
573 int ret = 0;
574
575 drvdata->battery_capacity = 0;
576 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
577 drvdata->battery_in_query = false;
578
579 drvdata->battery_desc.properties = asus_battery_props;
580 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
581 drvdata->battery_desc.get_property = asus_battery_get_property;
582 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
583 drvdata->battery_desc.use_for_apm = 0;
584 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
585 "asus-keyboard-%s-battery",
586 strlen(hdev->uniq) ?
587 hdev->uniq : dev_name(&hdev->dev));
588 if (!drvdata->battery_desc.name)
589 return -ENOMEM;
590
591 drvdata->battery_next_query = jiffies;
592
593 drvdata->battery = devm_power_supply_register(&hdev->dev,
594 &(drvdata->battery_desc), &pscfg);
595 if (IS_ERR(drvdata->battery)) {
596 ret = PTR_ERR(drvdata->battery);
597 drvdata->battery = NULL;
598 hid_err(hdev, "Unable to register battery device\n");
599 return ret;
600 }
601
602 power_supply_powers(drvdata->battery, &hdev->dev);
603
604 return ret;
605}
606
607static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
608{
609 struct input_dev *input = hi->input;
610 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
611
612 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
613 if (drvdata->quirks & QUIRK_T100CHI &&
614 hi->report->id != T100CHI_MOUSE_REPORT_ID)
615 return 0;
616
617 if (drvdata->tp) {
618 int ret;
619
620 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
621 drvdata->tp->max_x, 0, 0);
622 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
623 drvdata->tp->max_y, 0, 0);
624 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
625 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
626
627 if (drvdata->tp->contact_size >= 5) {
628 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
629 MAX_TOUCH_MAJOR, 0, 0);
630 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
631 MAX_TOUCH_MAJOR, 0, 0);
632 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
633 MAX_PRESSURE, 0, 0);
634 }
635
636 __set_bit(BTN_LEFT, input->keybit);
637 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
638
639 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
640 INPUT_MT_POINTER);
641
642 if (ret) {
643 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
644 return ret;
645 }
646 }
647
648 drvdata->input = input;
649
650 if (drvdata->enable_backlight &&
651 !asus_kbd_wmi_led_control_present(hdev) &&
652 asus_kbd_register_leds(hdev))
653 hid_warn(hdev, "Failed to initialize backlight.\n");
654
655 return 0;
656}
657
658#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
659 max, EV_KEY, (c))
660static int asus_input_mapping(struct hid_device *hdev,
661 struct hid_input *hi, struct hid_field *field,
662 struct hid_usage *usage, unsigned long **bit,
663 int *max)
664{
665 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
666
667 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
668 /* Don't map anything from the HID report.
669 * We do it all manually in asus_input_configured
670 */
671 return -1;
672 }
673
674 /*
675 * Ignore a bunch of bogus collections in the T100CHI descriptor.
676 * This avoids a bunch of non-functional hid_input devices getting
677 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
678 */
679 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
680 if (field->application == (HID_UP_GENDESK | 0x0080) ||
681 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
682 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
683 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026))
684 return -1;
685 /*
686 * We use the hid_input for the mouse report for the touchpad,
687 * keep the left button, to avoid the core removing it.
688 */
689 if (field->application == HID_GD_MOUSE &&
690 usage->hid != (HID_UP_BUTTON | 1))
691 return -1;
692 }
693
694 /* ASUS-specific keyboard hotkeys */
695 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) {
696 set_bit(EV_REP, hi->input->evbit);
697 switch (usage->hid & HID_USAGE) {
698 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
699 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
700 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
701 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
702 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
703 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
704 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
705 case 0xb5: asus_map_key_clear(KEY_CALC); break;
706 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
707 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
708
709 /* ASUS touchpad toggle */
710 case 0x6b: asus_map_key_clear(KEY_F21); break;
711
712 /* ROG key */
713 case 0x38: asus_map_key_clear(KEY_PROG1); break;
714
715 /* Fn+C ASUS Splendid */
716 case 0xba: asus_map_key_clear(KEY_PROG2); break;
717
718 /* Fn+Space Power4Gear Hybrid */
719 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
720
721 /* Fn+F5 "fan" symbol on FX503VD */
722 case 0x99: asus_map_key_clear(KEY_PROG4); break;
723
724 default:
725 /* ASUS lazily declares 256 usages, ignore the rest,
726 * as some make the keyboard appear as a pointer device. */
727 return -1;
728 }
729
730 /*
731 * Check and enable backlight only on devices with UsagePage ==
732 * 0xff31 to avoid initializing the keyboard firmware multiple
733 * times on devices with multiple HID descriptors but same
734 * PID/VID.
735 */
736 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
737 drvdata->enable_backlight = true;
738
739 return 1;
740 }
741
742 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
743 set_bit(EV_REP, hi->input->evbit);
744 switch (usage->hid & HID_USAGE) {
745 case 0xff01: asus_map_key_clear(BTN_1); break;
746 case 0xff02: asus_map_key_clear(BTN_2); break;
747 case 0xff03: asus_map_key_clear(BTN_3); break;
748 case 0xff04: asus_map_key_clear(BTN_4); break;
749 case 0xff05: asus_map_key_clear(BTN_5); break;
750 case 0xff06: asus_map_key_clear(BTN_6); break;
751 case 0xff07: asus_map_key_clear(BTN_7); break;
752 case 0xff08: asus_map_key_clear(BTN_8); break;
753 case 0xff09: asus_map_key_clear(BTN_9); break;
754 case 0xff0a: asus_map_key_clear(BTN_A); break;
755 case 0xff0b: asus_map_key_clear(BTN_B); break;
756 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
757 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
758 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
759 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
760 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
761 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
762 default:
763 return 0;
764 }
765
766 return 1;
767 }
768
769 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
770 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
771 switch (usage->hid & HID_USAGE) {
772 case 0xe2: /* Mute */
773 case 0xe9: /* Volume up */
774 case 0xea: /* Volume down */
775 return 0;
776 default:
777 /* Ignore dummy Consumer usages which make the
778 * keyboard incorrectly appear as a pointer device.
779 */
780 return -1;
781 }
782 }
783
784 return 0;
785}
786
787static int asus_start_multitouch(struct hid_device *hdev)
788{
789 int ret;
790 static const unsigned char buf[] = {
791 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
792 };
793 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
794
795 if (!dmabuf) {
796 ret = -ENOMEM;
797 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
798 return ret;
799 }
800
801 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
802 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
803
804 kfree(dmabuf);
805
806 if (ret != sizeof(buf)) {
807 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
808 return ret;
809 }
810
811 return 0;
812}
813
814static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
815{
816 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
817
818 if (drvdata->tp)
819 return asus_start_multitouch(hdev);
820
821 return 0;
822}
823
824static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
825{
826 int ret;
827 struct asus_drvdata *drvdata;
828
829 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
830 if (drvdata == NULL) {
831 hid_err(hdev, "Can't alloc Asus descriptor\n");
832 return -ENOMEM;
833 }
834
835 hid_set_drvdata(hdev, drvdata);
836
837 drvdata->quirks = id->driver_data;
838
839 /*
840 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
841 * Thus, identify T90CHI dock with product name string.
842 */
843 if (strstr(hdev->name, "T90CHI")) {
844 drvdata->quirks &= ~QUIRK_T100CHI;
845 drvdata->quirks |= QUIRK_T90CHI;
846 }
847
848 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
849 drvdata->tp = &asus_i2c_tp;
850
851 if (drvdata->quirks & QUIRK_T100_KEYBOARD) {
852 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
853
854 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
855 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
856 /*
857 * The T100HA uses the same USB-ids as the T100TAF and
858 * the T200TA uses the same USB-ids as the T100TA, while
859 * both have different max x/y values as the T100TA[F].
860 */
861 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
862 drvdata->tp = &asus_t100ha_tp;
863 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
864 drvdata->tp = &asus_t200ta_tp;
865 else
866 drvdata->tp = &asus_t100ta_tp;
867 }
868 }
869
870 if (drvdata->quirks & QUIRK_T100CHI) {
871 /*
872 * All functionality is on a single HID interface and for
873 * userspace the touchpad must be a separate input_dev.
874 */
875 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
876 drvdata->tp = &asus_t100chi_tp;
877 }
878
879 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
880 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
881
882 drvdata->hdev = hdev;
883
884 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
885 ret = asus_battery_probe(hdev);
886 if (ret) {
887 hid_err(hdev,
888 "Asus hid battery_probe failed: %d\n", ret);
889 return ret;
890 }
891 }
892
893 ret = hid_parse(hdev);
894 if (ret) {
895 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
896 return ret;
897 }
898
899 /* use hid-multitouch for T101HA touchpad */
900 if (id->driver_data & QUIRK_T101HA_DOCK &&
901 hdev->collection->usage == HID_GD_MOUSE)
902 return -ENODEV;
903
904 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
905 if (ret) {
906 hid_err(hdev, "Asus hw start failed: %d\n", ret);
907 return ret;
908 }
909
910 if (!drvdata->input) {
911 hid_err(hdev, "Asus input not registered\n");
912 ret = -ENOMEM;
913 goto err_stop_hw;
914 }
915
916 if (drvdata->tp) {
917 drvdata->input->name = "Asus TouchPad";
918 } else {
919 drvdata->input->name = "Asus Keyboard";
920 }
921
922 if (drvdata->tp) {
923 ret = asus_start_multitouch(hdev);
924 if (ret)
925 goto err_stop_hw;
926 }
927
928 return 0;
929err_stop_hw:
930 hid_hw_stop(hdev);
931 return ret;
932}
933
934static void asus_remove(struct hid_device *hdev)
935{
936 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
937
938 if (drvdata->kbd_backlight) {
939 drvdata->kbd_backlight->removed = true;
940 cancel_work_sync(&drvdata->kbd_backlight->work);
941 }
942
943 hid_hw_stop(hdev);
944}
945
946static const __u8 asus_g752_fixed_rdesc[] = {
947 0x19, 0x00, /* Usage Minimum (0x00) */
948 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
949};
950
951static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
952 unsigned int *rsize)
953{
954 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
955
956 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
957 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
958 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
959 rdesc[55] = 0xdd;
960 }
961 /* For the T100TA/T200TA keyboard dock */
962 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
963 (*rsize == 76 || *rsize == 101) &&
964 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
965 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
966 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
967 }
968 /* For the T100CHI/T90CHI keyboard dock */
969 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
970 int rsize_orig;
971 int offs;
972
973 if (drvdata->quirks & QUIRK_T100CHI) {
974 rsize_orig = 403;
975 offs = 388;
976 } else {
977 rsize_orig = 306;
978 offs = 291;
979 }
980
981 /*
982 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
983 * (FFh) and clear the flags in the Input() byte.
984 * Note the descriptor has a bogus 0 byte at the end so we
985 * only need 1 extra byte.
986 */
987 if (*rsize == rsize_orig &&
988 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
989 *rsize = rsize_orig + 1;
990 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
991 if (!rdesc)
992 return NULL;
993
994 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
995 drvdata->quirks & QUIRK_T100CHI ?
996 "T100CHI" : "T90CHI");
997 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
998 rdesc[offs] = 0x19;
999 rdesc[offs + 1] = 0x00;
1000 rdesc[offs + 2] = 0x29;
1001 rdesc[offs + 3] = 0xff;
1002 rdesc[offs + 14] = 0x00;
1003 }
1004 }
1005
1006 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1007 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1008 /* report is missing usage mninum and maximum */
1009 __u8 *new_rdesc;
1010 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1011
1012 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1013 if (new_rdesc == NULL)
1014 return rdesc;
1015
1016 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1017 /* copy the valid part */
1018 memcpy(new_rdesc, rdesc, 61);
1019 /* insert missing part */
1020 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1021 /* copy remaining data */
1022 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1023
1024 *rsize = new_size;
1025 rdesc = new_rdesc;
1026 }
1027
1028 return rdesc;
1029}
1030
1031static const struct hid_device_id asus_devices[] = {
1032 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1033 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1034 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1035 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1036 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1037 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1038 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1039 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1040 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1041 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1042 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1043 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1044 QUIRK_USE_KBD_BACKLIGHT },
1045 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1046 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1047 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1048 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1049 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1050 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1051 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1052 USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD), QUIRK_T101HA_DOCK },
1053 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1054 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1055 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1056 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1057 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1058
1059 { }
1060};
1061MODULE_DEVICE_TABLE(hid, asus_devices);
1062
1063static struct hid_driver asus_driver = {
1064 .name = "asus",
1065 .id_table = asus_devices,
1066 .report_fixup = asus_report_fixup,
1067 .probe = asus_probe,
1068 .remove = asus_remove,
1069 .input_mapping = asus_input_mapping,
1070 .input_configured = asus_input_configured,
1071#ifdef CONFIG_PM
1072 .reset_resume = asus_reset_resume,
1073#endif
1074 .event = asus_event,
1075 .raw_event = asus_raw_event
1076};
1077module_hid_driver(asus_driver);
1078
1079MODULE_LICENSE("GPL");