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
36 MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>");
37 MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>");
38 MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>");
39 MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>");
40 MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad");
41
42 #define T100_TPAD_INTF 2
43 #define MEDION_E1239T_TPAD_INTF 1
44
45 #define E1239T_TP_TOGGLE_REPORT_ID 0x05
46 #define T100CHI_MOUSE_REPORT_ID 0x06
47 #define FEATURE_REPORT_ID 0x0d
48 #define INPUT_REPORT_ID 0x5d
49 #define FEATURE_KBD_REPORT_ID 0x5a
50 #define FEATURE_KBD_REPORT_SIZE 16
51 #define FEATURE_KBD_LED_REPORT_ID1 0x5d
52 #define FEATURE_KBD_LED_REPORT_ID2 0x5e
53
54 #define SUPPORT_KBD_BACKLIGHT BIT(0)
55
56 #define MAX_TOUCH_MAJOR 8
57 #define MAX_PRESSURE 128
58
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
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
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)
77 #define QUIRK_NO_CONSUMER_USAGES BIT(4)
78 #define QUIRK_USE_KBD_BACKLIGHT BIT(5)
79 #define QUIRK_T100_KEYBOARD BIT(6)
80 #define QUIRK_T100CHI BIT(7)
81 #define QUIRK_G752_KEYBOARD BIT(8)
82 #define QUIRK_T101HA_DOCK BIT(9)
83 #define QUIRK_T90CHI BIT(10)
84 #define QUIRK_MEDION_E1239T BIT(11)
85 #define QUIRK_ROG_NKEY_KEYBOARD BIT(12)
86
87 #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
88 QUIRK_NO_INIT_REPORTS | \
89 QUIRK_NO_CONSUMER_USAGES)
90 #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
91 QUIRK_SKIP_INPUT_MAPPING | \
92 QUIRK_IS_MULTITOUCH)
93
94 #define TRKID_SGN ((TRKID_MAX + 1) >> 1)
95
96 struct 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
104 struct asus_touchpad_info {
105 int max_x;
106 int max_y;
107 int res_x;
108 int res_y;
109 int contact_size;
110 int max_contacts;
111 int report_size;
112 };
113
114 struct asus_drvdata {
115 unsigned long quirks;
116 struct hid_device *hdev;
117 struct input_dev *input;
118 struct input_dev *tp_kbd_input;
119 struct asus_kbd_leds *kbd_backlight;
120 const struct asus_touchpad_info *tp;
121 bool enable_backlight;
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;
128 };
129
130 static int asus_report_battery(struct asus_drvdata *, u8 *, int);
131
132 static const struct asus_touchpad_info asus_i2c_tp = {
133 .max_x = 2794,
134 .max_y = 1758,
135 .contact_size = 5,
136 .max_contacts = 5,
137 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
138 };
139
140 static const struct asus_touchpad_info asus_t100ta_tp = {
141 .max_x = 2240,
142 .max_y = 1120,
143 .res_x = 30, /* units/mm */
144 .res_y = 27, /* units/mm */
145 .contact_size = 5,
146 .max_contacts = 5,
147 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
148 };
149
150 static 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,
157 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
158 };
159
160 static 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,
167 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
168 };
169
170 static 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,
177 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
178 };
179
180 static 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
asus_report_contact_down(struct asus_drvdata * drvdat,int toolType,u8 * data)190 static void asus_report_contact_down(struct asus_drvdata *drvdat,
191 int toolType, u8 *data)
192 {
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]);
198
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
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
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 */
asus_report_tool_width(struct asus_drvdata * drvdat)218 static void asus_report_tool_width(struct asus_drvdata *drvdat)
219 {
220 struct input_mt *mt = drvdat->input->mt;
221 struct input_mt_slot *oldest;
222 int oldid, count, i;
223
224 if (drvdat->tp->contact_size < 5)
225 return;
226
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) {
245 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
246 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
247 }
248 }
249
asus_report_input(struct asus_drvdata * drvdat,u8 * data,int size)250 static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
251 {
252 int i, toolType = MT_TOOL_FINGER;
253 u8 *contactData = data + 2;
254
255 if (size != drvdat->tp->report_size)
256 return 0;
257
258 for (i = 0; i < drvdat->tp->max_contacts; i++) {
259 bool down = !!(data[1] & BIT(i+3));
260
261 if (drvdat->tp->contact_size >= 5)
262 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
263 MT_TOOL_PALM : MT_TOOL_FINGER;
264
265 input_mt_slot(drvdat->input, i);
266 input_mt_report_slot_state(drvdat->input, toolType, down);
267
268 if (down) {
269 asus_report_contact_down(drvdat, toolType, contactData);
270 contactData += drvdat->tp->contact_size;
271 }
272 }
273
274 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
275 asus_report_tool_width(drvdat);
276
277 input_mt_sync_frame(drvdat->input);
278 input_sync(drvdat->input);
279
280 return 1;
281 }
282
asus_e1239t_event(struct asus_drvdata * drvdat,u8 * data,int size)283 static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
284 {
285 if (size != 3)
286 return 0;
287
288 /* Handle broken mute key which only sends press events */
289 if (!drvdat->tp &&
290 data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
291 input_report_key(drvdat->input, KEY_MUTE, 1);
292 input_sync(drvdat->input);
293 input_report_key(drvdat->input, KEY_MUTE, 0);
294 input_sync(drvdat->input);
295 return 1;
296 }
297
298 /* Handle custom touchpad toggle key which only sends press events */
299 if (drvdat->tp_kbd_input &&
300 data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
301 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
302 input_sync(drvdat->tp_kbd_input);
303 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
304 input_sync(drvdat->tp_kbd_input);
305 return 1;
306 }
307
308 return 0;
309 }
310
asus_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)311 static int asus_event(struct hid_device *hdev, struct hid_field *field,
312 struct hid_usage *usage, __s32 value)
313 {
314 if ((usage->hid & HID_USAGE_PAGE) == 0xff310000 &&
315 (usage->hid & HID_USAGE) != 0x00 &&
316 (usage->hid & HID_USAGE) != 0xff && !usage->type) {
317 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
318 usage->hid & HID_USAGE);
319 }
320
321 return 0;
322 }
323
asus_raw_event(struct hid_device * hdev,struct hid_report * report,u8 * data,int size)324 static int asus_raw_event(struct hid_device *hdev,
325 struct hid_report *report, u8 *data, int size)
326 {
327 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
328
329 if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
330 return asus_report_battery(drvdata, data, size);
331
332 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
333 return asus_report_input(drvdata, data, size);
334
335 if (drvdata->quirks & QUIRK_MEDION_E1239T)
336 return asus_e1239t_event(drvdata, data, size);
337
338 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
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 }
359
360 return 0;
361 }
362
asus_kbd_set_report(struct hid_device * hdev,u8 * buf,size_t buf_size)363 static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size)
364 {
365 unsigned char *dmabuf;
366 int ret;
367
368 dmabuf = kmemdup(buf, buf_size, GFP_KERNEL);
369 if (!dmabuf)
370 return -ENOMEM;
371
372 /*
373 * The report ID should be set from the incoming buffer due to LED and key
374 * interfaces having different pages
375 */
376 ret = hid_hw_raw_request(hdev, buf[0], dmabuf,
377 buf_size, HID_FEATURE_REPORT,
378 HID_REQ_SET_REPORT);
379 kfree(dmabuf);
380
381 return ret;
382 }
383
asus_kbd_init(struct hid_device * hdev)384 static int asus_kbd_init(struct hid_device *hdev)
385 {
386 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
387 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
388 int ret;
389
390 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
391 if (ret < 0)
392 hid_err(hdev, "Asus failed to send init command: %d\n", ret);
393
394 return ret;
395 }
396
asus_kbd_get_functions(struct hid_device * hdev,unsigned char * kbd_func)397 static int asus_kbd_get_functions(struct hid_device *hdev,
398 unsigned char *kbd_func)
399 {
400 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 };
401 u8 *readbuf;
402 int ret;
403
404 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
405 if (ret < 0) {
406 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
407 return ret;
408 }
409
410 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
411 if (!readbuf)
412 return -ENOMEM;
413
414 ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf,
415 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
416 HID_REQ_GET_REPORT);
417 if (ret < 0) {
418 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
419 kfree(readbuf);
420 return ret;
421 }
422
423 *kbd_func = readbuf[6];
424
425 kfree(readbuf);
426 return ret;
427 }
428
rog_nkey_led_init(struct hid_device * hdev)429 static int rog_nkey_led_init(struct hid_device *hdev)
430 {
431 u8 buf_init_start[] = { FEATURE_KBD_LED_REPORT_ID1, 0xB9 };
432 u8 buf_init2[] = { FEATURE_KBD_LED_REPORT_ID1, 0x41, 0x53, 0x55, 0x53, 0x20,
433 0x54, 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
434 u8 buf_init3[] = { FEATURE_KBD_LED_REPORT_ID1,
435 0x05, 0x20, 0x31, 0x00, 0x08 };
436 int ret;
437
438 hid_info(hdev, "Asus initialise N-KEY Device");
439 /* The first message is an init start */
440 ret = asus_kbd_set_report(hdev, buf_init_start, sizeof(buf_init_start));
441 if (ret < 0) {
442 hid_warn(hdev, "Asus failed to send init start command: %d\n", ret);
443 return ret;
444 }
445 /* Followed by a string */
446 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
447 if (ret < 0) {
448 hid_warn(hdev, "Asus failed to send init command 1.0: %d\n", ret);
449 return ret;
450 }
451 /* Followed by a string */
452 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
453 if (ret < 0) {
454 hid_warn(hdev, "Asus failed to send init command 1.1: %d\n", ret);
455 return ret;
456 }
457
458 /* begin second report ID with same data */
459 buf_init2[0] = FEATURE_KBD_LED_REPORT_ID2;
460 buf_init3[0] = FEATURE_KBD_LED_REPORT_ID2;
461
462 ret = asus_kbd_set_report(hdev, buf_init2, sizeof(buf_init2));
463 if (ret < 0) {
464 hid_warn(hdev, "Asus failed to send init command 2.0: %d\n", ret);
465 return ret;
466 }
467 ret = asus_kbd_set_report(hdev, buf_init3, sizeof(buf_init3));
468 if (ret < 0)
469 hid_warn(hdev, "Asus failed to send init command 2.1: %d\n", ret);
470
471 return ret;
472 }
473
asus_kbd_backlight_set(struct led_classdev * led_cdev,enum led_brightness brightness)474 static void asus_kbd_backlight_set(struct led_classdev *led_cdev,
475 enum led_brightness brightness)
476 {
477 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
478 cdev);
479 if (led->brightness == brightness)
480 return;
481
482 led->brightness = brightness;
483 schedule_work(&led->work);
484 }
485
asus_kbd_backlight_get(struct led_classdev * led_cdev)486 static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev)
487 {
488 struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds,
489 cdev);
490
491 return led->brightness;
492 }
493
asus_kbd_backlight_work(struct work_struct * work)494 static void asus_kbd_backlight_work(struct work_struct *work)
495 {
496 struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work);
497 u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 };
498 int ret;
499
500 if (led->removed)
501 return;
502
503 buf[4] = led->brightness;
504
505 ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf));
506 if (ret < 0)
507 hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret);
508 }
509
510 /* WMI-based keyboard backlight LED control (via asus-wmi driver) takes
511 * precedence. We only activate HID-based backlight control when the
512 * WMI control is not available.
513 */
asus_kbd_wmi_led_control_present(struct hid_device * hdev)514 static bool asus_kbd_wmi_led_control_present(struct hid_device *hdev)
515 {
516 #if IS_ENABLED(CONFIG_ASUS_WMI)
517 u32 value;
518 int ret;
519
520 ret = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DSTS,
521 ASUS_WMI_DEVID_KBD_BACKLIGHT, 0, &value);
522 hid_dbg(hdev, "WMI backlight check: rc %d value %x", ret, value);
523 if (ret)
524 return false;
525
526 return !!(value & ASUS_WMI_DSTS_PRESENCE_BIT);
527 #else
528 return false;
529 #endif
530 }
531
asus_kbd_register_leds(struct hid_device * hdev)532 static int asus_kbd_register_leds(struct hid_device *hdev)
533 {
534 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
535 unsigned char kbd_func;
536 int ret;
537
538 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
539 ret = rog_nkey_led_init(hdev);
540 if (ret < 0)
541 return ret;
542 } else {
543 /* Initialize keyboard */
544 ret = asus_kbd_init(hdev);
545 if (ret < 0)
546 return ret;
547
548 /* Get keyboard functions */
549 ret = asus_kbd_get_functions(hdev, &kbd_func);
550 if (ret < 0)
551 return ret;
552
553 /* Check for backlight support */
554 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
555 return -ENODEV;
556 }
557
558 drvdata->kbd_backlight = devm_kzalloc(&hdev->dev,
559 sizeof(struct asus_kbd_leds),
560 GFP_KERNEL);
561 if (!drvdata->kbd_backlight)
562 return -ENOMEM;
563
564 drvdata->kbd_backlight->removed = false;
565 drvdata->kbd_backlight->brightness = 0;
566 drvdata->kbd_backlight->hdev = hdev;
567 drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight";
568 drvdata->kbd_backlight->cdev.max_brightness = 3;
569 drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set;
570 drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get;
571 INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work);
572
573 ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev);
574 if (ret < 0) {
575 /* No need to have this still around */
576 devm_kfree(&hdev->dev, drvdata->kbd_backlight);
577 }
578
579 return ret;
580 }
581
582 /*
583 * [0] REPORT_ID (same value defined in report descriptor)
584 * [1] rest battery level. range [0..255]
585 * [2]..[7] Bluetooth hardware address (MAC address)
586 * [8] charging status
587 * = 0 : AC offline / discharging
588 * = 1 : AC online / charging
589 * = 2 : AC online / fully charged
590 */
asus_parse_battery(struct asus_drvdata * drvdata,u8 * data,int size)591 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
592 {
593 u8 sts;
594 u8 lvl;
595 int val;
596
597 lvl = data[1];
598 sts = data[8];
599
600 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
601
602 switch (sts) {
603 case BATTERY_STAT_CHARGING:
604 val = POWER_SUPPLY_STATUS_CHARGING;
605 break;
606 case BATTERY_STAT_FULL:
607 val = POWER_SUPPLY_STATUS_FULL;
608 break;
609 case BATTERY_STAT_DISCONNECT:
610 default:
611 val = POWER_SUPPLY_STATUS_DISCHARGING;
612 break;
613 }
614 drvdata->battery_stat = val;
615
616 return 0;
617 }
618
asus_report_battery(struct asus_drvdata * drvdata,u8 * data,int size)619 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
620 {
621 /* notify only the autonomous event by device */
622 if ((drvdata->battery_in_query == false) &&
623 (size == BATTERY_REPORT_SIZE))
624 power_supply_changed(drvdata->battery);
625
626 return 0;
627 }
628
asus_battery_query(struct asus_drvdata * drvdata)629 static int asus_battery_query(struct asus_drvdata *drvdata)
630 {
631 u8 *buf;
632 int ret = 0;
633
634 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
635 if (!buf)
636 return -ENOMEM;
637
638 drvdata->battery_in_query = true;
639 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
640 buf, BATTERY_REPORT_SIZE,
641 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
642 drvdata->battery_in_query = false;
643 if (ret == BATTERY_REPORT_SIZE)
644 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
645 else
646 ret = -ENODATA;
647
648 kfree(buf);
649
650 return ret;
651 }
652
653 static enum power_supply_property asus_battery_props[] = {
654 POWER_SUPPLY_PROP_STATUS,
655 POWER_SUPPLY_PROP_PRESENT,
656 POWER_SUPPLY_PROP_CAPACITY,
657 POWER_SUPPLY_PROP_SCOPE,
658 POWER_SUPPLY_PROP_MODEL_NAME,
659 };
660
661 #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
662
asus_battery_get_property(struct power_supply * psy,enum power_supply_property psp,union power_supply_propval * val)663 static int asus_battery_get_property(struct power_supply *psy,
664 enum power_supply_property psp,
665 union power_supply_propval *val)
666 {
667 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
668 int ret = 0;
669
670 switch (psp) {
671 case POWER_SUPPLY_PROP_STATUS:
672 case POWER_SUPPLY_PROP_CAPACITY:
673 if (time_before(drvdata->battery_next_query, jiffies)) {
674 drvdata->battery_next_query =
675 jiffies + QUERY_MIN_INTERVAL;
676 ret = asus_battery_query(drvdata);
677 if (ret)
678 return ret;
679 }
680 if (psp == POWER_SUPPLY_PROP_STATUS)
681 val->intval = drvdata->battery_stat;
682 else
683 val->intval = drvdata->battery_capacity;
684 break;
685 case POWER_SUPPLY_PROP_PRESENT:
686 val->intval = 1;
687 break;
688 case POWER_SUPPLY_PROP_SCOPE:
689 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
690 break;
691 case POWER_SUPPLY_PROP_MODEL_NAME:
692 val->strval = drvdata->hdev->name;
693 break;
694 default:
695 ret = -EINVAL;
696 break;
697 }
698
699 return ret;
700 }
701
asus_battery_probe(struct hid_device * hdev)702 static int asus_battery_probe(struct hid_device *hdev)
703 {
704 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
705 struct power_supply_config pscfg = { .drv_data = drvdata };
706 int ret = 0;
707
708 drvdata->battery_capacity = 0;
709 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
710 drvdata->battery_in_query = false;
711
712 drvdata->battery_desc.properties = asus_battery_props;
713 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
714 drvdata->battery_desc.get_property = asus_battery_get_property;
715 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
716 drvdata->battery_desc.use_for_apm = 0;
717 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
718 "asus-keyboard-%s-battery",
719 strlen(hdev->uniq) ?
720 hdev->uniq : dev_name(&hdev->dev));
721 if (!drvdata->battery_desc.name)
722 return -ENOMEM;
723
724 drvdata->battery_next_query = jiffies;
725
726 drvdata->battery = devm_power_supply_register(&hdev->dev,
727 &(drvdata->battery_desc), &pscfg);
728 if (IS_ERR(drvdata->battery)) {
729 ret = PTR_ERR(drvdata->battery);
730 drvdata->battery = NULL;
731 hid_err(hdev, "Unable to register battery device\n");
732 return ret;
733 }
734
735 power_supply_powers(drvdata->battery, &hdev->dev);
736
737 return ret;
738 }
739
asus_input_configured(struct hid_device * hdev,struct hid_input * hi)740 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
741 {
742 struct input_dev *input = hi->input;
743 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
744
745 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
746 if (drvdata->quirks & QUIRK_T100CHI &&
747 hi->report->id != T100CHI_MOUSE_REPORT_ID)
748 return 0;
749
750 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
751 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
752 switch (hi->report->id) {
753 case E1239T_TP_TOGGLE_REPORT_ID:
754 input_set_capability(input, EV_KEY, KEY_F21);
755 input->name = "Asus Touchpad Keys";
756 drvdata->tp_kbd_input = input;
757 return 0;
758 case INPUT_REPORT_ID:
759 break; /* Touchpad report, handled below */
760 default:
761 return 0; /* Ignore other reports */
762 }
763 }
764
765 if (drvdata->tp) {
766 int ret;
767
768 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
769 drvdata->tp->max_x, 0, 0);
770 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
771 drvdata->tp->max_y, 0, 0);
772 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
773 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
774
775 if (drvdata->tp->contact_size >= 5) {
776 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
777 MAX_TOUCH_MAJOR, 0, 0);
778 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
779 MAX_TOUCH_MAJOR, 0, 0);
780 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
781 MAX_PRESSURE, 0, 0);
782 }
783
784 __set_bit(BTN_LEFT, input->keybit);
785 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
786
787 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
788 INPUT_MT_POINTER);
789
790 if (ret) {
791 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
792 return ret;
793 }
794 }
795
796 drvdata->input = input;
797
798 if (drvdata->enable_backlight &&
799 !asus_kbd_wmi_led_control_present(hdev) &&
800 asus_kbd_register_leds(hdev))
801 hid_warn(hdev, "Failed to initialize backlight.\n");
802
803 return 0;
804 }
805
806 #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
807 max, EV_KEY, (c))
asus_input_mapping(struct hid_device * hdev,struct hid_input * hi,struct hid_field * field,struct hid_usage * usage,unsigned long ** bit,int * max)808 static int asus_input_mapping(struct hid_device *hdev,
809 struct hid_input *hi, struct hid_field *field,
810 struct hid_usage *usage, unsigned long **bit,
811 int *max)
812 {
813 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
814
815 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
816 /* Don't map anything from the HID report.
817 * We do it all manually in asus_input_configured
818 */
819 return -1;
820 }
821
822 /*
823 * Ignore a bunch of bogus collections in the T100CHI descriptor.
824 * This avoids a bunch of non-functional hid_input devices getting
825 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
826 */
827 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
828 (field->application == (HID_UP_GENDESK | 0x0080) ||
829 field->application == HID_GD_MOUSE ||
830 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
831 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
832 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
833 return -1;
834
835 /* ASUS-specific keyboard hotkeys and led backlight */
836 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
837 switch (usage->hid & HID_USAGE) {
838 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
839 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
840 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
841 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
842 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
843 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
844 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
845 case 0xb5: asus_map_key_clear(KEY_CALC); break;
846 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
847 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
848
849 /* ASUS touchpad toggle */
850 case 0x6b: asus_map_key_clear(KEY_F21); break;
851
852 /* ROG key */
853 case 0x38: asus_map_key_clear(KEY_PROG1); break;
854
855 /* Fn+C ASUS Splendid */
856 case 0xba: asus_map_key_clear(KEY_PROG2); break;
857
858 /* Fn+Space Power4Gear Hybrid */
859 case 0x5c: asus_map_key_clear(KEY_PROG3); break;
860
861 /* Fn+F5 "fan" symbol on FX503VD */
862 case 0x99: asus_map_key_clear(KEY_PROG4); break;
863
864 /* Fn+F5 "fan" symbol on N-Key keyboard */
865 case 0xae: asus_map_key_clear(KEY_PROG4); break;
866
867 /* Fn+Ret "Calc" symbol on N-Key keyboard */
868 case 0x92: asus_map_key_clear(KEY_CALC); break;
869
870 /* Fn+Left Aura mode previous on N-Key keyboard */
871 case 0xb2: asus_map_key_clear(KEY_PROG2); break;
872
873 /* Fn+Right Aura mode next on N-Key keyboard */
874 case 0xb3: asus_map_key_clear(KEY_PROG3); break;
875
876 default:
877 /* ASUS lazily declares 256 usages, ignore the rest,
878 * as some make the keyboard appear as a pointer device. */
879 return -1;
880 }
881
882 /*
883 * Check and enable backlight only on devices with UsagePage ==
884 * 0xff31 to avoid initializing the keyboard firmware multiple
885 * times on devices with multiple HID descriptors but same
886 * PID/VID.
887 */
888 if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT)
889 drvdata->enable_backlight = true;
890
891 set_bit(EV_REP, hi->input->evbit);
892 return 1;
893 }
894
895 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
896 switch (usage->hid & HID_USAGE) {
897 case 0xff01: asus_map_key_clear(BTN_1); break;
898 case 0xff02: asus_map_key_clear(BTN_2); break;
899 case 0xff03: asus_map_key_clear(BTN_3); break;
900 case 0xff04: asus_map_key_clear(BTN_4); break;
901 case 0xff05: asus_map_key_clear(BTN_5); break;
902 case 0xff06: asus_map_key_clear(BTN_6); break;
903 case 0xff07: asus_map_key_clear(BTN_7); break;
904 case 0xff08: asus_map_key_clear(BTN_8); break;
905 case 0xff09: asus_map_key_clear(BTN_9); break;
906 case 0xff0a: asus_map_key_clear(BTN_A); break;
907 case 0xff0b: asus_map_key_clear(BTN_B); break;
908 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
909 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
910 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
911 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
912 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
913 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
914 default:
915 return 0;
916 }
917
918 set_bit(EV_REP, hi->input->evbit);
919 return 1;
920 }
921
922 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
923 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
924 switch (usage->hid & HID_USAGE) {
925 case 0xe2: /* Mute */
926 case 0xe9: /* Volume up */
927 case 0xea: /* Volume down */
928 return 0;
929 default:
930 /* Ignore dummy Consumer usages which make the
931 * keyboard incorrectly appear as a pointer device.
932 */
933 return -1;
934 }
935 }
936
937 /*
938 * The mute button is broken and only sends press events, we
939 * deal with this in our raw_event handler, so do not map it.
940 */
941 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
942 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
943 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
944 return -1;
945 }
946
947 return 0;
948 }
949
asus_start_multitouch(struct hid_device * hdev)950 static int asus_start_multitouch(struct hid_device *hdev)
951 {
952 int ret;
953 static const unsigned char buf[] = {
954 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
955 };
956 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
957
958 if (!dmabuf) {
959 ret = -ENOMEM;
960 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
961 return ret;
962 }
963
964 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
965 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
966
967 kfree(dmabuf);
968
969 if (ret != sizeof(buf)) {
970 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
971 return ret;
972 }
973
974 return 0;
975 }
976
asus_reset_resume(struct hid_device * hdev)977 static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
978 {
979 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
980
981 if (drvdata->tp)
982 return asus_start_multitouch(hdev);
983
984 return 0;
985 }
986
asus_probe(struct hid_device * hdev,const struct hid_device_id * id)987 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
988 {
989 int ret;
990 struct asus_drvdata *drvdata;
991
992 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
993 if (drvdata == NULL) {
994 hid_err(hdev, "Can't alloc Asus descriptor\n");
995 return -ENOMEM;
996 }
997
998 hid_set_drvdata(hdev, drvdata);
999
1000 drvdata->quirks = id->driver_data;
1001
1002 /*
1003 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
1004 * Thus, identify T90CHI dock with product name string.
1005 */
1006 if (strstr(hdev->name, "T90CHI")) {
1007 drvdata->quirks &= ~QUIRK_T100CHI;
1008 drvdata->quirks |= QUIRK_T90CHI;
1009 }
1010
1011 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1012 drvdata->tp = &asus_i2c_tp;
1013
1014 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) &&
1015 hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
1016 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1017
1018 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1019 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
1020 /*
1021 * The T100HA uses the same USB-ids as the T100TAF and
1022 * the T200TA uses the same USB-ids as the T100TA, while
1023 * both have different max x/y values as the T100TA[F].
1024 */
1025 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1026 drvdata->tp = &asus_t100ha_tp;
1027 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1028 drvdata->tp = &asus_t200ta_tp;
1029 else
1030 drvdata->tp = &asus_t100ta_tp;
1031 }
1032 }
1033
1034 if (drvdata->quirks & QUIRK_T100CHI) {
1035 /*
1036 * All functionality is on a single HID interface and for
1037 * userspace the touchpad must be a separate input_dev.
1038 */
1039 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1040 drvdata->tp = &asus_t100chi_tp;
1041 }
1042
1043 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
1044 hid_is_using_ll_driver(hdev, &usb_hid_driver)) {
1045 struct usb_host_interface *alt =
1046 to_usb_interface(hdev->dev.parent)->altsetting;
1047
1048 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
1049 /* For separate input-devs for tp and tp toggle key */
1050 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1051 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1052 drvdata->tp = &medion_e1239t_tp;
1053 }
1054 }
1055
1056 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1057 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1058
1059 drvdata->hdev = hdev;
1060
1061 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1062 ret = asus_battery_probe(hdev);
1063 if (ret) {
1064 hid_err(hdev,
1065 "Asus hid battery_probe failed: %d\n", ret);
1066 return ret;
1067 }
1068 }
1069
1070 ret = hid_parse(hdev);
1071 if (ret) {
1072 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1073 return ret;
1074 }
1075
1076 /* use hid-multitouch for T101HA touchpad */
1077 if (id->driver_data & QUIRK_T101HA_DOCK &&
1078 hdev->collection->usage == HID_GD_MOUSE)
1079 return -ENODEV;
1080
1081 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1082 if (ret) {
1083 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1084 return ret;
1085 }
1086
1087 if (!drvdata->input) {
1088 hid_err(hdev, "Asus input not registered\n");
1089 ret = -ENOMEM;
1090 goto err_stop_hw;
1091 }
1092
1093 if (drvdata->tp) {
1094 drvdata->input->name = "Asus TouchPad";
1095 } else {
1096 drvdata->input->name = "Asus Keyboard";
1097 }
1098
1099 if (drvdata->tp) {
1100 ret = asus_start_multitouch(hdev);
1101 if (ret)
1102 goto err_stop_hw;
1103 }
1104
1105 return 0;
1106 err_stop_hw:
1107 hid_hw_stop(hdev);
1108 return ret;
1109 }
1110
asus_remove(struct hid_device * hdev)1111 static void asus_remove(struct hid_device *hdev)
1112 {
1113 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1114
1115 if (drvdata->kbd_backlight) {
1116 drvdata->kbd_backlight->removed = true;
1117 cancel_work_sync(&drvdata->kbd_backlight->work);
1118 }
1119
1120 hid_hw_stop(hdev);
1121 }
1122
1123 static const __u8 asus_g752_fixed_rdesc[] = {
1124 0x19, 0x00, /* Usage Minimum (0x00) */
1125 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
1126 };
1127
asus_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int * rsize)1128 static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1129 unsigned int *rsize)
1130 {
1131 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1132
1133 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1134 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1135 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1136 rdesc[55] = 0xdd;
1137 }
1138 /* For the T100TA/T200TA keyboard dock */
1139 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1140 (*rsize == 76 || *rsize == 101) &&
1141 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1142 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1143 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1144 }
1145 /* For the T100CHI/T90CHI keyboard dock */
1146 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1147 int rsize_orig;
1148 int offs;
1149
1150 if (drvdata->quirks & QUIRK_T100CHI) {
1151 rsize_orig = 403;
1152 offs = 388;
1153 } else {
1154 rsize_orig = 306;
1155 offs = 291;
1156 }
1157
1158 /*
1159 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1160 * (FFh) and clear the flags in the Input() byte.
1161 * Note the descriptor has a bogus 0 byte at the end so we
1162 * only need 1 extra byte.
1163 */
1164 if (*rsize == rsize_orig &&
1165 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1166 *rsize = rsize_orig + 1;
1167 rdesc = kmemdup(rdesc, *rsize, GFP_KERNEL);
1168 if (!rdesc)
1169 return NULL;
1170
1171 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1172 drvdata->quirks & QUIRK_T100CHI ?
1173 "T100CHI" : "T90CHI");
1174 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1175 rdesc[offs] = 0x19;
1176 rdesc[offs + 1] = 0x00;
1177 rdesc[offs + 2] = 0x29;
1178 rdesc[offs + 3] = 0xff;
1179 rdesc[offs + 14] = 0x00;
1180 }
1181 }
1182
1183 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1184 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1185 /* report is missing usage mninum and maximum */
1186 __u8 *new_rdesc;
1187 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1188
1189 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1190 if (new_rdesc == NULL)
1191 return rdesc;
1192
1193 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1194 /* copy the valid part */
1195 memcpy(new_rdesc, rdesc, 61);
1196 /* insert missing part */
1197 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1198 /* copy remaining data */
1199 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1200
1201 *rsize = new_size;
1202 rdesc = new_rdesc;
1203 }
1204
1205 return rdesc;
1206 }
1207
1208 static const struct hid_device_id asus_devices[] = {
1209 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1210 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1211 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1212 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1213 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1214 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1215 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1216 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1217 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1218 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1219 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1220 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1221 QUIRK_USE_KBD_BACKLIGHT },
1222 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1223 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1224 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1225 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1226 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1227 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1228 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1229 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1230 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1231 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1232 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1233 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1234 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1235 USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD), QUIRK_T101HA_DOCK },
1236 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1237 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1238 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1239 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1240 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1241 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1242 QUIRK_MEDION_E1239T },
1243 { }
1244 };
1245 MODULE_DEVICE_TABLE(hid, asus_devices);
1246
1247 static struct hid_driver asus_driver = {
1248 .name = "asus",
1249 .id_table = asus_devices,
1250 .report_fixup = asus_report_fixup,
1251 .probe = asus_probe,
1252 .remove = asus_remove,
1253 .input_mapping = asus_input_mapping,
1254 .input_configured = asus_input_configured,
1255 #ifdef CONFIG_PM
1256 .reset_resume = asus_reset_resume,
1257 #endif
1258 .event = asus_event,
1259 .raw_event = asus_raw_event
1260 };
1261 module_hid_driver(asus_driver);
1262
1263 MODULE_LICENSE("GPL");
1264