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Merge tag 'for-linus-5.18-rc4-tag' of git://git.kernel.org/pub/scm/linux/kernel/git...
[linux-block.git] / drivers / hid / hid-asus.c
CommitLineData
2874c5fd 1// SPDX-License-Identifier: GPL-2.0-or-later
eeb01a57 2/*
b94f7d5d 3 * HID driver for Asus notebook built-in keyboard.
eeb01a57
YF		 4 * Fixes small logical maximum to match usage maximum.
5 *
b94f7d5d
YF		 6 * Currently supported devices are:
7 * EeeBook X205TA
8 * VivoBook E200HA
9 *
eeb01a57
YF		 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
9ce12d8b
BM		 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>
eeb01a57
YF		 21 */
22
23/*
eeb01a57
YF		 24 */
25
762f948c 26#include <linux/dmi.h>
eeb01a57
YF		 27#include <linux/hid.h>
28#include <linux/module.h>
3b692c55 29#include <linux/platform_data/x86/asus-wmi.h>
9ce12d8b 30#include <linux/input/mt.h>
57573c54 31#include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
6311d329 32#include <linux/power_supply.h>
eeb01a57
YF		 33
34#include "hid-ids.h"
35
9ce12d8b
BM		 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
57573c54 42#define T100_TPAD_INTF 2
e271f6c2 43#define MEDION_E1239T_TPAD_INTF 1
57573c54 44
350bd245 45#define E1239T_TP_TOGGLE_REPORT_ID 0x05
73c75d39 46#define T100CHI_MOUSE_REPORT_ID 0x06
9ce12d8b
BM		 47#define FEATURE_REPORT_ID 0x0d
48#define INPUT_REPORT_ID 0x5d
af22a610 49#define FEATURE_KBD_REPORT_ID 0x5a
af22a610 50#define FEATURE_KBD_REPORT_SIZE 16
b92b8024
LJ		 51#define FEATURE_KBD_LED_REPORT_ID1 0x5d
52#define FEATURE_KBD_LED_REPORT_ID2 0x5e
af22a610
CC		 53
54#define SUPPORT_KBD_BACKLIGHT BIT(0)
9ce12d8b 55
9ce12d8b
BM		 56#define MAX_TOUCH_MAJOR 8
57#define MAX_PRESSURE 128
58
9ce12d8b
BM		 59#define BTN_LEFT_MASK 0x01
60#define CONTACT_TOOL_TYPE_MASK 0x80
61#define CONTACT_X_MSB_MASK 0xf0
62#define CONTACT_Y_MSB_MASK 0x0f
63#define CONTACT_TOUCH_MAJOR_MASK 0x07
64#define CONTACT_PRESSURE_MASK 0x7f
65
6311d329
NH		 66#define BATTERY_REPORT_ID (0x03)
67#define BATTERY_REPORT_SIZE (1 + 8)
68#define BATTERY_LEVEL_MAX ((u8)255)
69#define BATTERY_STAT_DISCONNECT (0)
70#define BATTERY_STAT_CHARGING (1)
71#define BATTERY_STAT_FULL (2)
72
9ce12d8b
BM		 73#define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
74#define QUIRK_NO_INIT_REPORTS BIT(1)
75#define QUIRK_SKIP_INPUT_MAPPING BIT(2)
76#define QUIRK_IS_MULTITOUCH BIT(3)
0485b1ec 77#define QUIRK_NO_CONSUMER_USAGES BIT(4)
af22a610 78#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
76dd1fbe 79#define QUIRK_T100_KEYBOARD BIT(6)
5703e52c 80#define QUIRK_T100CHI BIT(7)
832e1eee 81#define QUIRK_G752_KEYBOARD BIT(8)
a94f66ae
HG		 82#define QUIRK_T90CHI BIT(9)
83#define QUIRK_MEDION_E1239T BIT(10)
84#define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
87c7ee7a 85#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
9ce12d8b 86
a93913e1 87#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
0485b1ec
MH		 88 QUIRK_NO_INIT_REPORTS | \
89 QUIRK_NO_CONSUMER_USAGES)
c81760b9 90#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
9ce12d8b
BM		 91 QUIRK_SKIP_INPUT_MAPPING | \
92 QUIRK_IS_MULTITOUCH)
93
94#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
95
af22a610
CC		 96struct asus_kbd_leds {
97 struct led_classdev cdev;
98 struct hid_device *hdev;
99 struct work_struct work;
100 unsigned int brightness;
101 bool removed;
102};
103
c81760b9
HG		 104struct asus_touchpad_info {
105 int max_x;
106 int max_y;
b61d43e6
HG		 107 int res_x;
108 int res_y;
c81760b9
HG		 109 int contact_size;
110 int max_contacts;
a61f9e42 111 int report_size;
c81760b9
HG		 112};
113
9ce12d8b
BM		 114struct asus_drvdata {
115 unsigned long quirks;
6311d329 116 struct hid_device *hdev;
9ce12d8b 117 struct input_dev *input;
350bd245 118 struct input_dev *tp_kbd_input;
af22a610 119 struct asus_kbd_leds *kbd_backlight;
c81760b9 120 const struct asus_touchpad_info *tp;
af22a610 121 bool enable_backlight;
6311d329
NH		 122 struct power_supply *battery;
123 struct power_supply_desc battery_desc;
124 int battery_capacity;
125 int battery_stat;
126 bool battery_in_query;
127 unsigned long battery_next_query;
9ce12d8b
BM		 128};
129
6311d329
NH		 130static int asus_report_battery(struct asus_drvdata *, u8 *, int);
131
c81760b9
HG		 132static const struct asus_touchpad_info asus_i2c_tp = {
133 .max_x = 2794,
134 .max_y = 1758,
135 .contact_size = 5,
136 .max_contacts = 5,
a61f9e42 137 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
c81760b9
HG		 138};
139
140static const struct asus_touchpad_info asus_t100ta_tp = {
141 .max_x = 2240,
25cc2611 142 .max_y = 1120,
b61d43e6
HG		 143 .res_x = 30, /* units/mm */
144 .res_y = 27, /* units/mm */
c81760b9
HG		 145 .contact_size = 5,
146 .max_contacts = 5,
a61f9e42 147 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
c81760b9
HG		 148};
149
762f948c
HG		 150static const struct asus_touchpad_info asus_t100ha_tp = {
151 .max_x = 2640,
152 .max_y = 1320,
153 .res_x = 30, /* units/mm */
154 .res_y = 29, /* units/mm */
155 .contact_size = 5,
156 .max_contacts = 5,
a61f9e42 157 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
762f948c
HG		 158};
159
dbd3ef28
HG		 160static const struct asus_touchpad_info asus_t200ta_tp = {
161 .max_x = 3120,
162 .max_y = 1716,
163 .res_x = 30, /* units/mm */
164 .res_y = 28, /* units/mm */
165 .contact_size = 5,
166 .max_contacts = 5,
a61f9e42 167 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
dbd3ef28
HG		 168};
169
73c75d39
HG		 170static const struct asus_touchpad_info asus_t100chi_tp = {
171 .max_x = 2640,
172 .max_y = 1320,
173 .res_x = 31, /* units/mm */
174 .res_y = 29, /* units/mm */
175 .contact_size = 3,
176 .max_contacts = 4,
a61f9e42 177 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
73c75d39
HG		 178};
179
e271f6c2
HG		 180static const struct asus_touchpad_info medion_e1239t_tp = {
181 .max_x = 2640,
182 .max_y = 1380,
183 .res_x = 29, /* units/mm */
184 .res_y = 28, /* units/mm */
185 .contact_size = 5,
186 .max_contacts = 5,
187 .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
188};
189
c81760b9 190static void asus_report_contact_down(struct asus_drvdata *drvdat,
9ce12d8b
BM		 191 int toolType, u8 *data)
192{
c81760b9
HG		 193 struct input_dev *input = drvdat->input;
194 int touch_major, pressure, x, y;
195
196 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
197 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
9ce12d8b 198
73c75d39
HG		 199 input_report_abs(input, ABS_MT_POSITION_X, x);
200 input_report_abs(input, ABS_MT_POSITION_Y, y);
201
202 if (drvdat->tp->contact_size < 5)
203 return;
204
9ce12d8b
BM		 205 if (toolType == MT_TOOL_PALM) {
206 touch_major = MAX_TOUCH_MAJOR;
207 pressure = MAX_PRESSURE;
208 } else {
209 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
210 pressure = data[4] & CONTACT_PRESSURE_MASK;
211 }
212
9ce12d8b
BM		 213 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
214 input_report_abs(input, ABS_MT_PRESSURE, pressure);
215}
216
217/* Required for Synaptics Palm Detection */
c81760b9 218static void asus_report_tool_width(struct asus_drvdata *drvdat)
9ce12d8b 219{
c81760b9 220 struct input_mt *mt = drvdat->input->mt;
9ce12d8b
BM		 221 struct input_mt_slot *oldest;
222 int oldid, count, i;
223
73c75d39
HG		 224 if (drvdat->tp->contact_size < 5)
225 return;
226
9ce12d8b
BM		 227 oldest = NULL;
228 oldid = mt->trkid;
229 count = 0;
230
231 for (i = 0; i < mt->num_slots; ++i) {
232 struct input_mt_slot *ps = &mt->slots[i];
233 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
234
235 if (id < 0)
236 continue;
237 if ((id - oldid) & TRKID_SGN) {
238 oldest = ps;
239 oldid = id;
240 }
241 count++;
242 }
243
244 if (oldest) {
c81760b9 245 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
9ce12d8b
BM		 246 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
247 }
248}
249
c81760b9 250static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
9ce12d8b 251{
73c75d39 252 int i, toolType = MT_TOOL_FINGER;
9ce12d8b
BM		 253 u8 *contactData = data + 2;
254
a61f9e42 255 if (size != drvdat->tp->report_size)
c81760b9
HG		 256 return 0;
257
258 for (i = 0; i < drvdat->tp->max_contacts; i++) {
9ce12d8b 259 bool down = !!(data[1] & BIT(i+3));
73c75d39
HG		 260
261 if (drvdat->tp->contact_size >= 5)
262 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
9ce12d8b
BM		 263 MT_TOOL_PALM : MT_TOOL_FINGER;
264
c81760b9
HG		 265 input_mt_slot(drvdat->input, i);
266 input_mt_report_slot_state(drvdat->input, toolType, down);
9ce12d8b
BM		 267
268 if (down) {
c81760b9
HG		 269 asus_report_contact_down(drvdat, toolType, contactData);
270 contactData += drvdat->tp->contact_size;
9ce12d8b
BM		 271 }
272 }
273
c81760b9
HG		 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);
9ce12d8b 279
c81760b9 280 return 1;
9ce12d8b
BM		 281}
282
350bd245
HG		 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
e98e3809
HG		 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 &&
c07a0254
HG		 315 (usage->hid & HID_USAGE) != 0x00 &&
316 (usage->hid & HID_USAGE) != 0xff && !usage->type) {
e98e3809
HG		 317 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
318 usage->hid & HID_USAGE);
319 }
320
321 return 0;
322}
323
9ce12d8b
BM		 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
6311d329
NH		 329 if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
330 return asus_report_battery(drvdata, data, size);
331
c81760b9
HG		 332 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
333 return asus_report_input(drvdata, data, size);
9ce12d8b 334
350bd245
HG		 335 if (drvdata->quirks & QUIRK_MEDION_E1239T)
336 return asus_e1239t_event(drvdata, data, size);
337
4bfb2c72 338 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) {
b92b8024
LJ		 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 }
c980512b
LJ		 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
b92b8024
LJ		 368 }
369
87c7ee7a
LJ		 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
9ce12d8b
BM		 381 return 0;
382}
383
af22a610
CC		 384static int asus_kbd_set_report(struct hid_device *hdev, 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
b92b8024
LJ		 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,
af22a610
CC		 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 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 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
b92b8024
LJ		 450static int rog_nkey_led_init(struct hid_device *hdev)
451{
452 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
af22a610
CC		 495static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
496 enum led_brightness brightness)
497{
498 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
499 cdev);
af22a610
CC		 500 led->brightness = brightness;
501 schedule_work(&led->work);
502}
503
504static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
505{
506 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
507 cdev);
508
509 return led->brightness;
510}
511
512static void asus_kbd_backlight_work(struct work_struct *work)
513{
514 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
515 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
516 int ret;
517
518 if (led->removed)
519 return;
520
521 buf[4] = led->brightness;
522
523 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
524 if (ret < 0)
525 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
526}
527
3b692c55
DD		 528/* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
529 * precedence. We only activate HID-based backlight control when the
530 * WMI control is not available.
531 */
532static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
533{
534 u32 value;
535 int ret;
536
3fc202e8
AB		 537 if (!IS_ENABLED(CONFIG_ASUS_WMI))
538 return false;
539
e0668f28 540 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
3b692c55
DD		 541 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
542 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
543 if (ret)
544 return false;
545
546 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
547}
548
af22a610
CC		 549static int asus_kbd_register_leds(struct hid_device *hdev)
550{
551 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
552 unsigned char kbd_func;
553 int ret;
554
b92b8024
LJ		 555 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
556 ret = rog_nkey_led_init(hdev);
557 if (ret < 0)
558 return ret;
559 } else {
560 /* Initialize keyboard */
561 ret = asus_kbd_init(hdev);
562 if (ret < 0)
563 return ret;
af22a610 564
b92b8024
LJ		 565 /* Get keyboard functions */
566 ret = asus_kbd_get_functions(hdev, &kbd_func);
567 if (ret < 0)
568 return ret;
af22a610 569
b92b8024
LJ		 570 /* Check for backlight support */
571 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
572 return -ENODEV;
573 }
af22a610
CC		 574
575 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
576 sizeof(struct asus_kbd_leds),
577 GFP_KERNEL);
578 if (!drvdata->kbd_backlight)
579 return -ENOMEM;
580
581 drvdata->kbd_backlight->removed = false;
582 drvdata->kbd_backlight->brightness = 0;
583 drvdata->kbd_backlight->hdev = hdev;
584 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
585 drvdata->kbd_backlight->cdev.max_brightness = 3;
586 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
587 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
588 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
589
590 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
591 if (ret < 0) {
592 /* No need to have this still around */
593 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
594 }
595
596 return ret;
597}
598
6311d329
NH		 599/*
600 * [0] REPORT_ID (same value defined in report descriptor)
601 * [1] rest battery level. range [0..255]
602 * [2]..[7] Bluetooth hardware address (MAC address)
603 * [8] charging status
604 * = 0 : AC offline / discharging
605 * = 1 : AC online / charging
606 * = 2 : AC online / fully charged
607 */
608static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
609{
610 u8 sts;
611 u8 lvl;
612 int val;
613
614 lvl = data[1];
615 sts = data[8];
616
617 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
618
619 switch (sts) {
620 case BATTERY_STAT_CHARGING:
621 val = POWER_SUPPLY_STATUS_CHARGING;
622 break;
623 case BATTERY_STAT_FULL:
624 val = POWER_SUPPLY_STATUS_FULL;
625 break;
626 case BATTERY_STAT_DISCONNECT:
627 default:
628 val = POWER_SUPPLY_STATUS_DISCHARGING;
629 break;
630 }
631 drvdata->battery_stat = val;
632
633 return 0;
634}
635
636static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
637{
638 /* notify only the autonomous event by device */
639 if ((drvdata->battery_in_query == false) &&
640 (size == BATTERY_REPORT_SIZE))
641 power_supply_changed(drvdata->battery);
642
643 return 0;
644}
645
646static int asus_battery_query(struct asus_drvdata *drvdata)
647{
648 u8 *buf;
649 int ret = 0;
650
651 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
652 if (!buf)
653 return -ENOMEM;
654
655 drvdata->battery_in_query = true;
656 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
657 buf, BATTERY_REPORT_SIZE,
658 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
659 drvdata->battery_in_query = false;
660 if (ret == BATTERY_REPORT_SIZE)
661 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
662 else
663 ret = -ENODATA;
664
665 kfree(buf);
666
667 return ret;
668}
669
670static enum power_supply_property asus_battery_props[] = {
671 POWER_SUPPLY_PROP_STATUS,
672 POWER_SUPPLY_PROP_PRESENT,
673 POWER_SUPPLY_PROP_CAPACITY,
674 POWER_SUPPLY_PROP_SCOPE,
675 POWER_SUPPLY_PROP_MODEL_NAME,
676};
677
678#define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
679
680static int asus_battery_get_property(struct power_supply *psy,
681 enum power_supply_property psp,
682 union power_supply_propval *val)
683{
684 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
685 int ret = 0;
686
687 switch (psp) {
688 case POWER_SUPPLY_PROP_STATUS:
689 case POWER_SUPPLY_PROP_CAPACITY:
690 if (time_before(drvdata->battery_next_query, jiffies)) {
691 drvdata->battery_next_query =
692 jiffies + QUERY_MIN_INTERVAL;
693 ret = asus_battery_query(drvdata);
694 if (ret)
695 return ret;
696 }
697 if (psp == POWER_SUPPLY_PROP_STATUS)
698 val->intval = drvdata->battery_stat;
699 else
700 val->intval = drvdata->battery_capacity;
701 break;
702 case POWER_SUPPLY_PROP_PRESENT:
703 val->intval = 1;
704 break;
705 case POWER_SUPPLY_PROP_SCOPE:
706 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
707 break;
708 case POWER_SUPPLY_PROP_MODEL_NAME:
709 val->strval = drvdata->hdev->name;
710 break;
711 default:
712 ret = -EINVAL;
713 break;
714 }
715
716 return ret;
717}
718
719static int asus_battery_probe(struct hid_device *hdev)
720{
721 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
722 struct power_supply_config pscfg = { .drv_data = drvdata };
723 int ret = 0;
724
725 drvdata->battery_capacity = 0;
726 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
727 drvdata->battery_in_query = false;
728
729 drvdata->battery_desc.properties = asus_battery_props;
730 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
731 drvdata->battery_desc.get_property = asus_battery_get_property;
732 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
733 drvdata->battery_desc.use_for_apm = 0;
734 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
735 "asus-keyboard-%s-battery",
736 strlen(hdev->uniq) ?
737 hdev->uniq : dev_name(&hdev->dev));
738 if (!drvdata->battery_desc.name)
739 return -ENOMEM;
740
741 drvdata->battery_next_query = jiffies;
742
743 drvdata->battery = devm_power_supply_register(&hdev->dev,
744 &(drvdata->battery_desc), &pscfg);
745 if (IS_ERR(drvdata->battery)) {
746 ret = PTR_ERR(drvdata->battery);
747 drvdata->battery = NULL;
748 hid_err(hdev, "Unable to register battery device\n");
749 return ret;
750 }
751
752 power_supply_powers(drvdata->battery, &hdev->dev);
753
754 return ret;
755}
756
9ce12d8b
BM		 757static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
758{
c8b1b3dd 759 struct input_dev *input = hi->input;
9ce12d8b
BM		 760 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
761
73c75d39
HG		 762 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
763 if (drvdata->quirks & QUIRK_T100CHI &&
764 hi->report->id != T100CHI_MOUSE_REPORT_ID)
765 return 0;
766
350bd245
HG		 767 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
768 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
769 switch (hi->report->id) {
770 case E1239T_TP_TOGGLE_REPORT_ID:
771 input_set_capability(input, EV_KEY, KEY_F21);
772 input->name = "Asus Touchpad Keys";
773 drvdata->tp_kbd_input = input;
774 return 0;
775 case INPUT_REPORT_ID:
776 break; /* Touchpad report, handled below */
777 default:
778 return 0; /* Ignore other reports */
779 }
780 }
781
c81760b9 782 if (drvdata->tp) {
9ce12d8b 783 int ret;
9ce12d8b 784
c81760b9
HG		 785 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
786 drvdata->tp->max_x, 0, 0);
787 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
788 drvdata->tp->max_y, 0, 0);
b61d43e6
HG		 789 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
790 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
73c75d39
HG		 791
792 if (drvdata->tp->contact_size >= 5) {
793 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
794 MAX_TOUCH_MAJOR, 0, 0);
795 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
796 MAX_TOUCH_MAJOR, 0, 0);
797 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
798 MAX_PRESSURE, 0, 0);
799 }
9ce12d8b
BM		 800
801 __set_bit(BTN_LEFT, input->keybit);
802 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
803
c81760b9
HG		 804 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
805 INPUT_MT_POINTER);
9ce12d8b
BM		 806
807 if (ret) {
808 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
809 return ret;
810 }
9ce12d8b
BM		 811 }
812
c8b1b3dd
BM		 813 drvdata->input = input;
814
3b692c55
DD		 815 if (drvdata->enable_backlight &&
816 !asus_kbd_wmi_led_control_present(hdev) &&
817 asus_kbd_register_leds(hdev))
af22a610
CC		 818 hid_warn(hdev, "Failed to initialize backlight.\n");
819
9ce12d8b
BM		 820 return 0;
821}
822
a93913e1 823#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
1caccc25 824 max, EV_KEY, (c))
9ce12d8b
BM		 825static int asus_input_mapping(struct hid_device *hdev,
826 struct hid_input *hi, struct hid_field *field,
827 struct hid_usage *usage, unsigned long **bit,
828 int *max)
829{
830 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
831
832 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
833 /* Don't map anything from the HID report.
834 * We do it all manually in asus_input_configured
835 */
836 return -1;
837 }
838
73c75d39
HG		 839 /*
840 * Ignore a bunch of bogus collections in the T100CHI descriptor.
841 * This avoids a bunch of non-functional hid_input devices getting
842 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
843 */
a80b2f30
HG		 844 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
845 (field->application == (HID_UP_GENDESK | 0x0080) ||
846 field->application == HID_GD_MOUSE ||
847 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
848 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
849 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
850 return -1;
73c75d39 851
b92b8024
LJ		 852 /* ASUS-specific keyboard hotkeys and led backlight */
853 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
1caccc25 854 switch (usage->hid & HID_USAGE) {
a93913e1
MH		 855 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
856 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
e3d9234f 857 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
a93913e1 858 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
2340bad5 859 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
a93913e1 860 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
802b24b4 861 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
a93913e1
MH		 862 case 0xb5: asus_map_key_clear(KEY_CALC); break;
863 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
864 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
1caccc25
CC		 865
866 /* ASUS touchpad toggle */
a93913e1 867 case 0x6b: asus_map_key_clear(KEY_F21); break;
1caccc25
CC		 868
869 /* ROG key */
a93913e1 870 case 0x38: asus_map_key_clear(KEY_PROG1); break;
1caccc25
CC		 871
872 /* Fn+C ASUS Splendid */
a93913e1 873 case 0xba: asus_map_key_clear(KEY_PROG2); break;
1caccc25
CC		 874
875 /* Fn+Space Power4Gear Hybrid */
a93913e1 876 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
1caccc25 877
2340bad5
HG		 878 /* Fn+F5 "fan" symbol on FX503VD */
879 case 0x99: asus_map_key_clear(KEY_PROG4); break;
880
b92b8024
LJ		 881 /* Fn+F5 "fan" symbol on N-Key keyboard */
882 case 0xae: asus_map_key_clear(KEY_PROG4); break;
883
884 /* Fn+Ret "Calc" symbol on N-Key keyboard */
885 case 0x92: asus_map_key_clear(KEY_CALC); break;
886
887 /* Fn+Left Aura mode previous on N-Key keyboard */
888 case 0xb2: asus_map_key_clear(KEY_PROG2); break;
889
890 /* Fn+Right Aura mode next on N-Key keyboard */
891 case 0xb3: asus_map_key_clear(KEY_PROG3); break;
892
1caccc25 893 default:
0485b1ec
MH		 894 /* ASUS lazily declares 256 usages, ignore the rest,
895 * as some make the keyboard appear as a pointer device. */
896 return -1;
1caccc25 897 }
af22a610
CC		 898
899 /*
900 * Check and enable backlight only on devices with UsagePage ==
901 * 0xff31 to avoid initializing the keyboard firmware multiple
902 * times on devices with multiple HID descriptors but same
903 * PID/VID.
904 */
905 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
906 drvdata->enable_backlight = true;
907
4e4c60f8 908 set_bit(EV_REP, hi->input->evbit);
1caccc25
CC		 909 return 1;
910 }
911
5be91803 912 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
5be91803
DD		 913 switch (usage->hid & HID_USAGE) {
914 case 0xff01: asus_map_key_clear(BTN_1); break;
915 case 0xff02: asus_map_key_clear(BTN_2); break;
916 case 0xff03: asus_map_key_clear(BTN_3); break;
917 case 0xff04: asus_map_key_clear(BTN_4); break;
918 case 0xff05: asus_map_key_clear(BTN_5); break;
919 case 0xff06: asus_map_key_clear(BTN_6); break;
920 case 0xff07: asus_map_key_clear(BTN_7); break;
921 case 0xff08: asus_map_key_clear(BTN_8); break;
922 case 0xff09: asus_map_key_clear(BTN_9); break;
923 case 0xff0a: asus_map_key_clear(BTN_A); break;
924 case 0xff0b: asus_map_key_clear(BTN_B); break;
925 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
926 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
927 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
928 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
929 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
930 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
931 default:
932 return 0;
933 }
934
4e4c60f8 935 set_bit(EV_REP, hi->input->evbit);
5be91803
DD		 936 return 1;
937 }
938
0485b1ec
MH		 939 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
940 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
941 switch (usage->hid & HID_USAGE) {
942 case 0xe2: /* Mute */
943 case 0xe9: /* Volume up */
944 case 0xea: /* Volume down */
945 return 0;
946 default:
947 /* Ignore dummy Consumer usages which make the
948 * keyboard incorrectly appear as a pointer device.
949 */
950 return -1;
951 }
952 }
953
350bd245
HG		 954 /*
955 * The mute button is broken and only sends press events, we
956 * deal with this in our raw_event handler, so do not map it.
957 */
958 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
959 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
960 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
961 return -1;
962 }
963
9ce12d8b
BM		 964 return 0;
965}
966
967static int asus_start_multitouch(struct hid_device *hdev)
968{
969 int ret;
b9ec7009
CIK		 970 static const unsigned char buf[] = {
971 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
972 };
9ce12d8b
BM		 973 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
974
975 if (!dmabuf) {
976 ret = -ENOMEM;
977 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
978 return ret;
979 }
980
981 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
982 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
983
984 kfree(dmabuf);
985
986 if (ret != sizeof(buf)) {
987 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
988 return ret;
989 }
990
991 return 0;
992}
993
994static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
995{
996 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
997
c81760b9 998 if (drvdata->tp)
9ce12d8b
BM		 999 return asus_start_multitouch(hdev);
1000
1001 return 0;
1002}
1003
1004static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
1005{
1006 int ret;
1007 struct asus_drvdata *drvdata;
1008
1009 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
1010 if (drvdata == NULL) {
1011 hid_err(hdev, "Can't alloc Asus descriptor\n");
1012 return -ENOMEM;
1013 }
1014
1015 hid_set_drvdata(hdev, drvdata);
1016
1017 drvdata->quirks = id->driver_data;
1018
6311d329
NH		 1019 /*
1020 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
1021 * Thus, identify T90CHI dock with product name string.
1022 */
300c64d7
NH		 1023 if (strstr(hdev->name, "T90CHI")) {
1024 drvdata->quirks &= ~QUIRK_T100CHI;
1025 drvdata->quirks |= QUIRK_T90CHI;
1026 }
1027
c81760b9
HG		 1028 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1029 drvdata->tp = &asus_i2c_tp;
1030
f83baa0c 1031 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
57573c54
HG		 1032 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1033
c81760b9
HG		 1034 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1035 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
762f948c 1036 /*
dbd3ef28
HG		 1037 * The T100HA uses the same USB-ids as the T100TAF and
1038 * the T200TA uses the same USB-ids as the T100TA, while
1039 * both have different max x/y values as the T100TA[F].
762f948c
HG		 1040 */
1041 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1042 drvdata->tp = &asus_t100ha_tp;
dbd3ef28
HG		 1043 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1044 drvdata->tp = &asus_t200ta_tp;
762f948c
HG		 1045 else
1046 drvdata->tp = &asus_t100ta_tp;
c81760b9 1047 }
57573c54
HG		 1048 }
1049
73c75d39
HG		 1050 if (drvdata->quirks & QUIRK_T100CHI) {
1051 /*
1052 * All functionality is on a single HID interface and for
1053 * userspace the touchpad must be a separate input_dev.
1054 */
39335d1c 1055 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
73c75d39
HG		 1056 drvdata->tp = &asus_t100chi_tp;
1057 }
1058
f83baa0c 1059 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
e271f6c2
HG		 1060 struct usb_host_interface *alt =
1061 to_usb_interface(hdev->dev.parent)->altsetting;
1062
1063 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
350bd245
HG		 1064 /* For separate input-devs for tp and tp toggle key */
1065 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
e271f6c2
HG		 1066 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1067 drvdata->tp = &medion_e1239t_tp;
1068 }
1069 }
1070
9ce12d8b
BM		 1071 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1072 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1073
6311d329
NH		 1074 drvdata->hdev = hdev;
1075
1076 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1077 ret = asus_battery_probe(hdev);
1078 if (ret) {
1079 hid_err(hdev,
1080 "Asus hid battery_probe failed: %d\n", ret);
1081 return ret;
1082 }
1083 }
1084
9ce12d8b
BM		 1085 ret = hid_parse(hdev);
1086 if (ret) {
1087 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1088 return ret;
1089 }
1090
1091 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1092 if (ret) {
1093 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1094 return ret;
1095 }
1096
1097 if (!drvdata->input) {
1098 hid_err(hdev, "Asus input not registered\n");
1099 ret = -ENOMEM;
1100 goto err_stop_hw;
1101 }
1102
c81760b9 1103 if (drvdata->tp) {
c8b1b3dd
BM		 1104 drvdata->input->name = "Asus TouchPad";
1105 } else {
1106 drvdata->input->name = "Asus Keyboard";
1107 }
9ce12d8b 1108
c81760b9 1109 if (drvdata->tp) {
9ce12d8b
BM		 1110 ret = asus_start_multitouch(hdev);
1111 if (ret)
1112 goto err_stop_hw;
1113 }
1114
1115 return 0;
1116err_stop_hw:
1117 hid_hw_stop(hdev);
1118 return ret;
1119}
1120
af22a610
CC		 1121static void asus_remove(struct hid_device *hdev)
1122{
1123 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1124
1125 if (drvdata->kbd_backlight) {
1126 drvdata->kbd_backlight->removed = true;
1127 cancel_work_sync(&drvdata->kbd_backlight->work);
1128 }
715e944f
CC		 1129
1130 hid_hw_stop(hdev);
af22a610
CC		 1131}
1132
832e1eee
MB		 1133static const __u8 asus_g752_fixed_rdesc[] = {
1134 0x19, 0x00, /* Usage Minimum (0x00) */
1135 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
1136};
1137
eeb01a57
YF		 1138static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1139 unsigned int *rsize)
1140{
9ce12d8b
BM		 1141 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1142
1143 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1144 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
b94f7d5d 1145 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
eeb01a57
YF		 1146 rdesc[55] = 0xdd;
1147 }
33edee4f 1148 /* For the T100TA/T200TA keyboard dock */
76dd1fbe 1149 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
33edee4f
HG		 1150 (*rsize == 76 || *rsize == 101) &&
1151 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
76dd1fbe
HG		 1152 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1153 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1154 }
300c64d7
NH		 1155 /* For the T100CHI/T90CHI keyboard dock */
1156 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1157 int rsize_orig;
1158 int offs;
1159
1160 if (drvdata->quirks & QUIRK_T100CHI) {
1161 rsize_orig = 403;
1162 offs = 388;
1163 } else {
1164 rsize_orig = 306;
1165 offs = 291;
1166 }
1167
5703e52c
HG		 1168 /*
1169 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1170 * (FFh) and clear the flags in the Input() byte.
1171 * Note the descriptor has a bogus 0 byte at the end so we
1172 * only need 1 extra byte.
1173 */
300c64d7
NH		 1174 if (*rsize == rsize_orig &&
1175 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1176 *rsize = rsize_orig + 1;
1177 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1178 if (!rdesc)
1179 return NULL;
1180
1181 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1182 drvdata->quirks & QUIRK_T100CHI ?
1183 "T100CHI" : "T90CHI");
1184 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1185 rdesc[offs] = 0x19;
1186 rdesc[offs + 1] = 0x00;
1187 rdesc[offs + 2] = 0x29;
1188 rdesc[offs + 3] = 0xff;
1189 rdesc[offs + 14] = 0x00;
1190 }
5703e52c 1191 }
300c64d7 1192
832e1eee
MB		 1193 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1194 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1195 /* report is missing usage mninum and maximum */
1196 __u8 *new_rdesc;
1197 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1198
1199 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1200 if (new_rdesc == NULL)
1201 return rdesc;
1202
1203 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1204 /* copy the valid part */
1205 memcpy(new_rdesc, rdesc, 61);
1206 /* insert missing part */
1207 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1208 /* copy remaining data */
1209 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1210
1211 *rsize = new_size;
1212 rdesc = new_rdesc;
1213 }
76dd1fbe 1214
eeb01a57
YF		 1215 return rdesc;
1216}
1217
1218static const struct hid_device_id asus_devices[] = {
9ce12d8b 1219 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
a93913e1 1220 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
9ce12d8b 1221 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
c81760b9 1222 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1caccc25 1223 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
339ee3fc 1224 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1caccc25 1225 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
af22a610 1226 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
832e1eee
MB		 1227 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1228 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
2340bad5
HG		 1229 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1230 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1231 QUIRK_USE_KBD_BACKLIGHT },
b92b8024
LJ		 1232 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1233 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1234 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
9a0b44fb
LJ		 1235 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1236 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1237 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
87c7ee7a
LJ		 1238 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1239 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
1240 QUIRK_ROG_CLAYMORE_II_KEYBOARD },
76dd1fbe 1241 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
762f948c
HG		 1242 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1243 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1244 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1245 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
76dd1fbe 1246 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
5be91803 1247 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
38b2d78c 1248 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
5be91803 1249 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
5703e52c
HG		 1250 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1251 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
e271f6c2
HG		 1252 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1253 QUIRK_MEDION_E1239T },
a94f66ae
HG		 1254 /*
1255 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
1256 * part, while letting hid-multitouch.c handle the touchpad.
1257 */
1258 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1259 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
eeb01a57
YF		 1260 { }
1261};
1262MODULE_DEVICE_TABLE(hid, asus_devices);
1263
1264static struct hid_driver asus_driver = {
9ce12d8b
BM		 1265 .name = "asus",
1266 .id_table = asus_devices,
1267 .report_fixup = asus_report_fixup,
1268 .probe = asus_probe,
af22a610 1269 .remove = asus_remove,
9ce12d8b
BM		 1270 .input_mapping = asus_input_mapping,
1271 .input_configured = asus_input_configured,
1272#ifdef CONFIG_PM
1273 .reset_resume = asus_reset_resume,
1274#endif
e98e3809 1275 .event = asus_event,
9ce12d8b 1276 .raw_event = asus_raw_event
eeb01a57
YF		 1277};
1278module_hid_driver(asus_driver);
1279
1280MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)