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Merge tag 'uml-for-linus-6.4-rc1' 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>
a2654c1f 33#include <linux/leds.h>
eeb01a57
YF		 34
35#include "hid-ids.h"
36
9ce12d8b
BM		 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
57573c54 43#define T100_TPAD_INTF 2
e271f6c2 44#define MEDION_E1239T_TPAD_INTF 1
57573c54 45
350bd245 46#define E1239T_TP_TOGGLE_REPORT_ID 0x05
73c75d39 47#define T100CHI_MOUSE_REPORT_ID 0x06
9ce12d8b
BM		 48#define FEATURE_REPORT_ID 0x0d
49#define INPUT_REPORT_ID 0x5d
af22a610 50#define FEATURE_KBD_REPORT_ID 0x5a
af22a610 51#define FEATURE_KBD_REPORT_SIZE 16
b92b8024
LJ		 52#define FEATURE_KBD_LED_REPORT_ID1 0x5d
53#define FEATURE_KBD_LED_REPORT_ID2 0x5e
af22a610
CC		 54
55#define SUPPORT_KBD_BACKLIGHT BIT(0)
9ce12d8b 56
9ce12d8b
BM		 57#define MAX_TOUCH_MAJOR 8
58#define MAX_PRESSURE 128
59
9ce12d8b
BM		 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
6311d329
NH		 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
9ce12d8b
BM		 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)
0485b1ec 78#define QUIRK_NO_CONSUMER_USAGES BIT(4)
af22a610 79#define QUIRK_USE_KBD_BACKLIGHT BIT(5)
76dd1fbe 80#define QUIRK_T100_KEYBOARD BIT(6)
5703e52c 81#define QUIRK_T100CHI BIT(7)
832e1eee 82#define QUIRK_G752_KEYBOARD BIT(8)
a94f66ae
HG		 83#define QUIRK_T90CHI BIT(9)
84#define QUIRK_MEDION_E1239T BIT(10)
85#define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
87c7ee7a 86#define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
9ce12d8b 87
a93913e1 88#define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
0485b1ec
MH		 89 QUIRK_NO_INIT_REPORTS | \
90 QUIRK_NO_CONSUMER_USAGES)
c81760b9 91#define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
9ce12d8b
BM		 92 QUIRK_SKIP_INPUT_MAPPING | \
93 QUIRK_IS_MULTITOUCH)
94
95#define TRKID_SGN ((TRKID_MAX + 1) >> 1)
96
af22a610
CC		 97struct asus_kbd_leds {
98 struct led_classdev cdev;
99 struct hid_device *hdev;
100 struct work_struct work;
101 unsigned int brightness;
315c5370 102 spinlock_t lock;
af22a610
CC		 103 bool removed;
104};
105
c81760b9
HG		 106struct asus_touchpad_info {
107 int max_x;
108 int max_y;
b61d43e6
HG		 109 int res_x;
110 int res_y;
c81760b9
HG		 111 int contact_size;
112 int max_contacts;
a61f9e42 113 int report_size;
c81760b9
HG		 114};
115
9ce12d8b
BM		 116struct asus_drvdata {
117 unsigned long quirks;
6311d329 118 struct hid_device *hdev;
9ce12d8b 119 struct input_dev *input;
350bd245 120 struct input_dev *tp_kbd_input;
af22a610 121 struct asus_kbd_leds *kbd_backlight;
c81760b9 122 const struct asus_touchpad_info *tp;
af22a610 123 bool enable_backlight;
6311d329
NH		 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;
9ce12d8b
BM		 130};
131
6311d329
NH		 132static int asus_report_battery(struct asus_drvdata *, u8 *, int);
133
c81760b9
HG		 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,
a61f9e42 139 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
c81760b9
HG		 140};
141
142static const struct asus_touchpad_info asus_t100ta_tp = {
143 .max_x = 2240,
25cc2611 144 .max_y = 1120,
b61d43e6
HG		 145 .res_x = 30, /* units/mm */
146 .res_y = 27, /* units/mm */
c81760b9
HG		 147 .contact_size = 5,
148 .max_contacts = 5,
a61f9e42 149 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
c81760b9
HG		 150};
151
762f948c
HG		 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,
a61f9e42 159 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
762f948c
HG		 160};
161
dbd3ef28
HG		 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,
a61f9e42 169 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
dbd3ef28
HG		 170};
171
73c75d39
HG		 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,
a61f9e42 179 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
73c75d39
HG		 180};
181
e271f6c2
HG		 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
c81760b9 192static void asus_report_contact_down(struct asus_drvdata *drvdat,
9ce12d8b
BM		 193 int toolType, u8 *data)
194{
c81760b9
HG		 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]);
9ce12d8b 200
73c75d39
HG		 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
9ce12d8b
BM		 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
9ce12d8b
BM		 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 */
c81760b9 220static void asus_report_tool_width(struct asus_drvdata *drvdat)
9ce12d8b 221{
c81760b9 222 struct input_mt *mt = drvdat->input->mt;
9ce12d8b 223 struct input_mt_slot *oldest;
7f9dbf54 224 int oldid, i;
9ce12d8b 225
73c75d39
HG		 226 if (drvdat->tp->contact_size < 5)
227 return;
228
9ce12d8b
BM		 229 oldest = NULL;
230 oldid = mt->trkid;
9ce12d8b
BM		 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 }
9ce12d8b
BM		 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
4ab3a086
PB		 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
af22a610
CC		 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);
315c5370
PB		 510 unsigned long flags;
511
512 spin_lock_irqsave(&led->lock, flags);
af22a610 513 led->brightness = brightness;
315c5370
PB		 514 spin_unlock_irqrestore(&led->lock, flags);
515
4ab3a086 516 asus_schedule_work(led);
af22a610
CC		 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);
315c5370
PB		 523 enum led_brightness brightness;
524 unsigned long flags;
af22a610 525
315c5370
PB		 526 spin_lock_irqsave(&led->lock, flags);
527 brightness = led->brightness;
528 spin_unlock_irqrestore(&led->lock, flags);
529
530 return brightness;
af22a610
CC		 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;
315c5370 538 unsigned long flags;
af22a610 539
315c5370 540 spin_lock_irqsave(&led->lock, flags);
af22a610 541 buf[4] = led->brightness;
315c5370 542 spin_unlock_irqrestore(&led->lock, flags);
af22a610
CC		 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
3b692c55
DD		 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
3fc202e8
AB		 558 if (!IS_ENABLED(CONFIG_ASUS_WMI))
559 return false;
560
e0668f28 561 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
3b692c55
DD		 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
af22a610
CC		 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
b92b8024
LJ		 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;
af22a610 585
b92b8024
LJ		 586 /* Get keyboard functions */
587 ret = asus_kbd_get_functions(hdev, &kbd_func);
588 if (ret < 0)
589 return ret;
af22a610 590
b92b8024
LJ		 591 /* Check for backlight support */
592 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
593 return -ENODEV;
594 }
af22a610
CC		 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);
315c5370 610 spin_lock_init(&drvdata->kbd_backlight->lock);
af22a610
CC		 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
6311d329
NH		 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
9ce12d8b
BM		 779static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
780{
c8b1b3dd 781 struct input_dev *input = hi->input;
9ce12d8b
BM		 782 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
783
73c75d39
HG		 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
350bd245
HG		 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
c81760b9 804 if (drvdata->tp) {
9ce12d8b 805 int ret;
9ce12d8b 806
c81760b9
HG		 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);
b61d43e6
HG		 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);
73c75d39
HG		 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 }
9ce12d8b
BM		 822
823 __set_bit(BTN_LEFT, input->keybit);
824 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
825
c81760b9
HG		 826 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
827 INPUT_MT_POINTER);
9ce12d8b
BM		 828
829 if (ret) {
830 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
831 return ret;
832 }
9ce12d8b
BM		 833 }
834
c8b1b3dd
BM		 835 drvdata->input = input;
836
3b692c55
DD		 837 if (drvdata->enable_backlight &&
838 !asus_kbd_wmi_led_control_present(hdev) &&
839 asus_kbd_register_leds(hdev))
af22a610
CC		 840 hid_warn(hdev, "Failed to initialize backlight.\n");
841
9ce12d8b
BM		 842 return 0;
843}
844
a93913e1 845#define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
1caccc25 846 max, EV_KEY, (c))
9ce12d8b
BM		 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
73c75d39
HG		 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 */
a80b2f30
HG		 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;
73c75d39 873
b92b8024
LJ		 874 /* ASUS-specific keyboard hotkeys and led backlight */
875 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
1caccc25 876 switch (usage->hid & HID_USAGE) {
a93913e1
MH		 877 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
878 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
e3d9234f 879 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
a93913e1 880 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
2340bad5 881 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
a93913e1 882 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
802b24b4 883 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
a93913e1
MH		 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;
1caccc25
CC		 887
888 /* ASUS touchpad toggle */
a93913e1 889 case 0x6b: asus_map_key_clear(KEY_F21); break;
1caccc25
CC		 890
891 /* ROG key */
a93913e1 892 case 0x38: asus_map_key_clear(KEY_PROG1); break;
1caccc25
CC		 893
894 /* Fn+C ASUS Splendid */
a93913e1 895 case 0xba: asus_map_key_clear(KEY_PROG2); break;
1caccc25
CC		 896
897 /* Fn+Space Power4Gear Hybrid */
a93913e1 898 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
1caccc25 899
2340bad5
HG		 900 /* Fn+F5 "fan" symbol on FX503VD */
901 case 0x99: asus_map_key_clear(KEY_PROG4); break;
902
b92b8024
LJ		 903 /* Fn+F5 "fan" symbol on N-Key keyboard */
904 case 0xae: asus_map_key_clear(KEY_PROG4); break;
905
906 /* Fn+Ret "Calc" symbol on N-Key keyboard */
907 case 0x92: asus_map_key_clear(KEY_CALC); break;
908
909 /* Fn+Left Aura mode previous on N-Key keyboard */
910 case 0xb2: asus_map_key_clear(KEY_PROG2); break;
911
912 /* Fn+Right Aura mode next on N-Key keyboard */
913 case 0xb3: asus_map_key_clear(KEY_PROG3); break;
914
1caccc25 915 default:
0485b1ec
MH		 916 /* ASUS lazily declares 256 usages, ignore the rest,
917 * as some make the keyboard appear as a pointer device. */
918 return -1;
1caccc25 919 }
af22a610
CC		 920
921 /*
922 * Check and enable backlight only on devices with UsagePage ==
923 * 0xff31 to avoid initializing the keyboard firmware multiple
924 * times on devices with multiple HID descriptors but same
925 * PID/VID.
926 */
927 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
928 drvdata->enable_backlight = true;
929
4e4c60f8 930 set_bit(EV_REP, hi->input->evbit);
1caccc25
CC		 931 return 1;
932 }
933
5be91803 934 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
5be91803
DD		 935 switch (usage->hid & HID_USAGE) {
936 case 0xff01: asus_map_key_clear(BTN_1); break;
937 case 0xff02: asus_map_key_clear(BTN_2); break;
938 case 0xff03: asus_map_key_clear(BTN_3); break;
939 case 0xff04: asus_map_key_clear(BTN_4); break;
940 case 0xff05: asus_map_key_clear(BTN_5); break;
941 case 0xff06: asus_map_key_clear(BTN_6); break;
942 case 0xff07: asus_map_key_clear(BTN_7); break;
943 case 0xff08: asus_map_key_clear(BTN_8); break;
944 case 0xff09: asus_map_key_clear(BTN_9); break;
945 case 0xff0a: asus_map_key_clear(BTN_A); break;
946 case 0xff0b: asus_map_key_clear(BTN_B); break;
947 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
948 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
949 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
950 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
951 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
952 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
953 default:
954 return 0;
955 }
956
4e4c60f8 957 set_bit(EV_REP, hi->input->evbit);
5be91803
DD		 958 return 1;
959 }
960
0485b1ec
MH		 961 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
962 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
963 switch (usage->hid & HID_USAGE) {
964 case 0xe2: /* Mute */
965 case 0xe9: /* Volume up */
966 case 0xea: /* Volume down */
967 return 0;
968 default:
969 /* Ignore dummy Consumer usages which make the
970 * keyboard incorrectly appear as a pointer device.
971 */
972 return -1;
973 }
974 }
975
350bd245
HG		 976 /*
977 * The mute button is broken and only sends press events, we
978 * deal with this in our raw_event handler, so do not map it.
979 */
980 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
981 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
982 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
983 return -1;
984 }
985
9ce12d8b
BM		 986 return 0;
987}
988
989static int asus_start_multitouch(struct hid_device *hdev)
990{
991 int ret;
b9ec7009
CIK		 992 static const unsigned char buf[] = {
993 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
994 };
9ce12d8b
BM		 995 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
996
997 if (!dmabuf) {
998 ret = -ENOMEM;
999 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
1000 return ret;
1001 }
1002
1003 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
1004 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
1005
1006 kfree(dmabuf);
1007
1008 if (ret != sizeof(buf)) {
1009 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
1010 return ret;
1011 }
1012
1013 return 0;
1014}
1015
1016static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
1017{
1018 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1019
c81760b9 1020 if (drvdata->tp)
9ce12d8b
BM		 1021 return asus_start_multitouch(hdev);
1022
1023 return 0;
1024}
1025
1026static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
1027{
1028 int ret;
1029 struct asus_drvdata *drvdata;
1030
1031 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
1032 if (drvdata == NULL) {
1033 hid_err(hdev, "Can't alloc Asus descriptor\n");
1034 return -ENOMEM;
1035 }
1036
1037 hid_set_drvdata(hdev, drvdata);
1038
1039 drvdata->quirks = id->driver_data;
1040
6311d329
NH		 1041 /*
1042 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
1043 * Thus, identify T90CHI dock with product name string.
1044 */
300c64d7
NH		 1045 if (strstr(hdev->name, "T90CHI")) {
1046 drvdata->quirks &= ~QUIRK_T100CHI;
1047 drvdata->quirks |= QUIRK_T90CHI;
1048 }
1049
c81760b9
HG		 1050 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1051 drvdata->tp = &asus_i2c_tp;
1052
f83baa0c 1053 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
57573c54
HG		 1054 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1055
c81760b9
HG		 1056 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1057 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
762f948c 1058 /*
dbd3ef28
HG		 1059 * The T100HA uses the same USB-ids as the T100TAF and
1060 * the T200TA uses the same USB-ids as the T100TA, while
1061 * both have different max x/y values as the T100TA[F].
762f948c
HG		 1062 */
1063 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1064 drvdata->tp = &asus_t100ha_tp;
dbd3ef28
HG		 1065 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1066 drvdata->tp = &asus_t200ta_tp;
762f948c
HG		 1067 else
1068 drvdata->tp = &asus_t100ta_tp;
c81760b9 1069 }
57573c54
HG		 1070 }
1071
73c75d39
HG		 1072 if (drvdata->quirks & QUIRK_T100CHI) {
1073 /*
1074 * All functionality is on a single HID interface and for
1075 * userspace the touchpad must be a separate input_dev.
1076 */
39335d1c 1077 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
73c75d39
HG		 1078 drvdata->tp = &asus_t100chi_tp;
1079 }
1080
f83baa0c 1081 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
e271f6c2
HG		 1082 struct usb_host_interface *alt =
1083 to_usb_interface(hdev->dev.parent)->altsetting;
1084
1085 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
350bd245
HG		 1086 /* For separate input-devs for tp and tp toggle key */
1087 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
e271f6c2
HG		 1088 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1089 drvdata->tp = &medion_e1239t_tp;
1090 }
1091 }
1092
9ce12d8b
BM		 1093 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1094 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1095
6311d329
NH		 1096 drvdata->hdev = hdev;
1097
1098 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1099 ret = asus_battery_probe(hdev);
1100 if (ret) {
1101 hid_err(hdev,
1102 "Asus hid battery_probe failed: %d\n", ret);
1103 return ret;
1104 }
1105 }
1106
9ce12d8b
BM		 1107 ret = hid_parse(hdev);
1108 if (ret) {
1109 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1110 return ret;
1111 }
1112
1113 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1114 if (ret) {
1115 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1116 return ret;
1117 }
1118
1119 if (!drvdata->input) {
1120 hid_err(hdev, "Asus input not registered\n");
1121 ret = -ENOMEM;
1122 goto err_stop_hw;
1123 }
1124
c81760b9 1125 if (drvdata->tp) {
c8b1b3dd
BM		 1126 drvdata->input->name = "Asus TouchPad";
1127 } else {
1128 drvdata->input->name = "Asus Keyboard";
1129 }
9ce12d8b 1130
c81760b9 1131 if (drvdata->tp) {
9ce12d8b
BM		 1132 ret = asus_start_multitouch(hdev);
1133 if (ret)
1134 goto err_stop_hw;
1135 }
1136
1137 return 0;
1138err_stop_hw:
1139 hid_hw_stop(hdev);
1140 return ret;
1141}
1142
af22a610
CC		 1143static void asus_remove(struct hid_device *hdev)
1144{
1145 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
315c5370 1146 unsigned long flags;
af22a610
CC		 1147
1148 if (drvdata->kbd_backlight) {
315c5370 1149 spin_lock_irqsave(&drvdata->kbd_backlight->lock, flags);
af22a610 1150 drvdata->kbd_backlight->removed = true;
315c5370
PB		 1151 spin_unlock_irqrestore(&drvdata->kbd_backlight->lock, flags);
1152
af22a610
CC		 1153 cancel_work_sync(&drvdata->kbd_backlight->work);
1154 }
715e944f
CC		 1155
1156 hid_hw_stop(hdev);
af22a610
CC		 1157}
1158
832e1eee
MB		 1159static const __u8 asus_g752_fixed_rdesc[] = {
1160 0x19, 0x00, /* Usage Minimum (0x00) */
1161 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
1162};
1163
eeb01a57
YF		 1164static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1165 unsigned int *rsize)
1166{
9ce12d8b
BM		 1167 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1168
1169 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1170 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
b94f7d5d 1171 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
eeb01a57
YF		 1172 rdesc[55] = 0xdd;
1173 }
33edee4f 1174 /* For the T100TA/T200TA keyboard dock */
76dd1fbe 1175 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
33edee4f
HG		 1176 (*rsize == 76 || *rsize == 101) &&
1177 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
76dd1fbe
HG		 1178 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1179 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1180 }
300c64d7
NH		 1181 /* For the T100CHI/T90CHI keyboard dock */
1182 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1183 int rsize_orig;
1184 int offs;
1185
1186 if (drvdata->quirks & QUIRK_T100CHI) {
1187 rsize_orig = 403;
1188 offs = 388;
1189 } else {
1190 rsize_orig = 306;
1191 offs = 291;
1192 }
1193
5703e52c
HG		 1194 /*
1195 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1196 * (FFh) and clear the flags in the Input() byte.
1197 * Note the descriptor has a bogus 0 byte at the end so we
1198 * only need 1 extra byte.
1199 */
300c64d7
NH		 1200 if (*rsize == rsize_orig &&
1201 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1202 *rsize = rsize_orig + 1;
1203 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1204 if (!rdesc)
1205 return NULL;
1206
1207 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1208 drvdata->quirks & QUIRK_T100CHI ?
1209 "T100CHI" : "T90CHI");
1210 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1211 rdesc[offs] = 0x19;
1212 rdesc[offs + 1] = 0x00;
1213 rdesc[offs + 2] = 0x29;
1214 rdesc[offs + 3] = 0xff;
1215 rdesc[offs + 14] = 0x00;
1216 }
5703e52c 1217 }
300c64d7 1218
832e1eee
MB		 1219 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1220 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1221 /* report is missing usage mninum and maximum */
1222 __u8 *new_rdesc;
1223 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1224
1225 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1226 if (new_rdesc == NULL)
1227 return rdesc;
1228
1229 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1230 /* copy the valid part */
1231 memcpy(new_rdesc, rdesc, 61);
1232 /* insert missing part */
1233 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1234 /* copy remaining data */
1235 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1236
1237 *rsize = new_size;
1238 rdesc = new_rdesc;
1239 }
76dd1fbe 1240
1c0cc9d1
JK		 1241 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
1242 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a &&
1243 rdesc[204] == 0x95 && rdesc[205] == 0x05) {
1244 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n");
1245 rdesc[205] = 0x01;
1246 }
1247
eeb01a57
YF		 1248 return rdesc;
1249}
1250
1251static const struct hid_device_id asus_devices[] = {
9ce12d8b 1252 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
a93913e1 1253 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
9ce12d8b 1254 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
c81760b9 1255 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1caccc25 1256 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
339ee3fc 1257 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1caccc25 1258 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
af22a610 1259 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
832e1eee
MB		 1260 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1261 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
2340bad5
HG		 1262 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1263 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1264 QUIRK_USE_KBD_BACKLIGHT },
b92b8024
LJ		 1265 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1266 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1267 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
9a0b44fb
LJ		 1268 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1269 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1270 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
87c7ee7a
LJ		 1271 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1272 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
1273 QUIRK_ROG_CLAYMORE_II_KEYBOARD },
76dd1fbe 1274 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
762f948c
HG		 1275 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1276 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1277 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1278 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
76dd1fbe 1279 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
5be91803 1280 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
38b2d78c 1281 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
5be91803 1282 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
5703e52c
HG		 1283 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1284 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
e271f6c2
HG		 1285 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1286 QUIRK_MEDION_E1239T },
a94f66ae
HG		 1287 /*
1288 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
1289 * part, while letting hid-multitouch.c handle the touchpad.
1290 */
1291 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1292 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
eeb01a57
YF		 1293 { }
1294};
1295MODULE_DEVICE_TABLE(hid, asus_devices);
1296
1297static struct hid_driver asus_driver = {
9ce12d8b
BM		 1298 .name = "asus",
1299 .id_table = asus_devices,
1300 .report_fixup = asus_report_fixup,
1301 .probe = asus_probe,
af22a610 1302 .remove = asus_remove,
9ce12d8b
BM		 1303 .input_mapping = asus_input_mapping,
1304 .input_configured = asus_input_configured,
1305#ifdef CONFIG_PM
1306 .reset_resume = asus_reset_resume,
1307#endif
e98e3809 1308 .event = asus_event,
9ce12d8b 1309 .raw_event = asus_raw_event
eeb01a57
YF		 1310};
1311module_hid_driver(asus_driver);
1312
1313MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)