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 #include <linux/acpi.h>
24 #include <linux/cleanup.h>
25 #include <linux/dmi.h>
26 #include <linux/hid.h>
27 #include <linux/module.h>
28 #include <linux/platform_data/x86/asus-wmi.h>
29 #include <linux/input/mt.h>
30 #include <linux/usb.h> /* For to_usb_interface for T100 touchpad intf check */
31 #include <linux/power_supply.h>
32 #include <linux/leds.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 64
51 #define FEATURE_KBD_LED_REPORT_ID1 0x5d
52 #define FEATURE_KBD_LED_REPORT_ID2 0x5e
53
54 #define ROG_ALLY_REPORT_SIZE 64
55 #define ROG_ALLY_X_MIN_MCU 313
56 #define ROG_ALLY_MIN_MCU 319
57
58 /* Spurious HID codes sent by QUIRK_ROG_NKEY_KEYBOARD devices */
59 #define ASUS_SPURIOUS_CODE_0XEA 0xea
60 #define ASUS_SPURIOUS_CODE_0XEC 0xec
61 #define ASUS_SPURIOUS_CODE_0X02 0x02
62 #define ASUS_SPURIOUS_CODE_0X8A 0x8a
63 #define ASUS_SPURIOUS_CODE_0X9E 0x9e
64
65 /* Special key codes */
66 #define ASUS_FAN_CTRL_KEY_CODE 0xae
67
68 #define SUPPORT_KBD_BACKLIGHT BIT(0)
69
70 #define MAX_TOUCH_MAJOR 8
71 #define MAX_PRESSURE 128
72
73 #define BTN_LEFT_MASK 0x01
74 #define CONTACT_TOOL_TYPE_MASK 0x80
75 #define CONTACT_X_MSB_MASK 0xf0
76 #define CONTACT_Y_MSB_MASK 0x0f
77 #define CONTACT_TOUCH_MAJOR_MASK 0x07
78 #define CONTACT_PRESSURE_MASK 0x7f
79
80 #define BATTERY_REPORT_ID (0x03)
81 #define BATTERY_REPORT_SIZE (1 + 8)
82 #define BATTERY_LEVEL_MAX ((u8)255)
83 #define BATTERY_STAT_DISCONNECT (0)
84 #define BATTERY_STAT_CHARGING (1)
85 #define BATTERY_STAT_FULL (2)
86
87 #define QUIRK_FIX_NOTEBOOK_REPORT BIT(0)
88 #define QUIRK_NO_INIT_REPORTS BIT(1)
89 #define QUIRK_SKIP_INPUT_MAPPING BIT(2)
90 #define QUIRK_IS_MULTITOUCH BIT(3)
91 #define QUIRK_NO_CONSUMER_USAGES BIT(4)
92 #define QUIRK_USE_KBD_BACKLIGHT BIT(5)
93 #define QUIRK_T100_KEYBOARD BIT(6)
94 #define QUIRK_T100CHI BIT(7)
95 #define QUIRK_G752_KEYBOARD BIT(8)
96 #define QUIRK_T90CHI BIT(9)
97 #define QUIRK_MEDION_E1239T BIT(10)
98 #define QUIRK_ROG_NKEY_KEYBOARD BIT(11)
99 #define QUIRK_ROG_CLAYMORE_II_KEYBOARD BIT(12)
100 #define QUIRK_ROG_ALLY_XPAD BIT(13)
101 #define QUIRK_HID_FN_LOCK BIT(14)
102 #define QUIRK_FILTER_CAMERA_COMPANION BIT(15)
103
104 #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \
105 QUIRK_NO_INIT_REPORTS | \
106 QUIRK_NO_CONSUMER_USAGES)
107 #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \
108 QUIRK_SKIP_INPUT_MAPPING | \
109 QUIRK_IS_MULTITOUCH)
110
111 #define TRKID_SGN ((TRKID_MAX + 1) >> 1)
112
113 enum asus_work_action_type {
114 FN_LOCK_SYNC,
115 BRIGHTNESS_SET,
116 WMI_FAN,
117 };
118
119 struct hid_raw_event_data {
120 u8 report_data[FEATURE_KBD_REPORT_SIZE];
121 size_t report_size;
122 };
123
124 struct asus_work_action {
125 struct list_head node;
126 enum asus_work_action_type type;
127 union {
128 /* Data for BRIGHTNESS_SET */
129 unsigned int brightness;
130
131 /* Data for FN_LOCK_SYNC */
132 bool fn_lock;
133
134 /* Data for WMI_FAN */
135 struct hid_raw_event_data fan_hid_data;
136 } data;
137 };
138
139 struct asus_worker {
140 struct hid_device *hdev;
141 struct work_struct work;
142 struct list_head actions;
143 spinlock_t lock;
144 bool removed;
145 };
146
147 struct asus_touchpad_info {
148 int max_x;
149 int max_y;
150 int res_x;
151 int res_y;
152 int contact_size;
153 int max_contacts;
154 int report_size;
155 };
156
157 struct asus_drvdata {
158 unsigned long quirks;
159 struct hid_device *hdev;
160 struct input_dev *input;
161 struct input_dev *tp_kbd_input;
162 struct asus_worker *worker;
163 unsigned int kbd_backlight_brightness;
164 const struct asus_touchpad_info *tp;
165 struct power_supply *battery;
166 struct power_supply_desc battery_desc;
167 int battery_capacity;
168 int battery_stat;
169 bool battery_in_query;
170 unsigned long battery_next_query;
171 struct asus_hid_listener listener;
172 bool fn_lock;
173 };
174
175 static int asus_report_battery(struct asus_drvdata *, u8 *, int);
176
177 static const struct asus_touchpad_info asus_i2c_tp = {
178 .max_x = 2794,
179 .max_y = 1758,
180 .contact_size = 5,
181 .max_contacts = 5,
182 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
183 };
184
185 static const struct asus_touchpad_info asus_t100ta_tp = {
186 .max_x = 2240,
187 .max_y = 1120,
188 .res_x = 30, /* units/mm */
189 .res_y = 27, /* units/mm */
190 .contact_size = 5,
191 .max_contacts = 5,
192 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
193 };
194
195 static const struct asus_touchpad_info asus_t100ha_tp = {
196 .max_x = 2640,
197 .max_y = 1320,
198 .res_x = 30, /* units/mm */
199 .res_y = 29, /* units/mm */
200 .contact_size = 5,
201 .max_contacts = 5,
202 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
203 };
204
205 static const struct asus_touchpad_info asus_t200ta_tp = {
206 .max_x = 3120,
207 .max_y = 1716,
208 .res_x = 30, /* units/mm */
209 .res_y = 28, /* units/mm */
210 .contact_size = 5,
211 .max_contacts = 5,
212 .report_size = 28 /* 2 byte header + 5 * 5 + 1 byte footer */,
213 };
214
215 static const struct asus_touchpad_info asus_t100chi_tp = {
216 .max_x = 2640,
217 .max_y = 1320,
218 .res_x = 31, /* units/mm */
219 .res_y = 29, /* units/mm */
220 .contact_size = 3,
221 .max_contacts = 4,
222 .report_size = 15 /* 2 byte header + 3 * 4 + 1 byte footer */,
223 };
224
225 static const struct asus_touchpad_info medion_e1239t_tp = {
226 .max_x = 2640,
227 .max_y = 1380,
228 .res_x = 29, /* units/mm */
229 .res_y = 28, /* units/mm */
230 .contact_size = 5,
231 .max_contacts = 5,
232 .report_size = 32 /* 2 byte header + 5 * 5 + 5 byte footer */,
233 };
234
235 static const u8 asus_report_id_init[] = {
236 FEATURE_KBD_REPORT_ID,
237 FEATURE_KBD_LED_REPORT_ID1,
238 FEATURE_KBD_LED_REPORT_ID2
239 };
240
241 /*
242 * Send events to asus-wmi driver for handling special keys
243 */
asus_wmi_send_event(struct asus_drvdata * drvdata,u8 code)244 static int asus_wmi_send_event(struct asus_drvdata *drvdata, u8 code)
245 {
246 int err;
247 u32 retval;
248
249 err = asus_wmi_evaluate_method(ASUS_WMI_METHODID_DEVS,
250 ASUS_WMI_METHODID_NOTIF, code, &retval);
251 if (err) {
252 pr_warn("Failed to notify asus-wmi: %d\n", err);
253 return err;
254 }
255
256 if (retval != 0) {
257 pr_warn("Failed to notify asus-wmi (retval): 0x%x\n", retval);
258 return -EIO;
259 }
260
261 return 0;
262 }
263
asus_report_contact_down(struct asus_drvdata * drvdat,int toolType,u8 * data)264 static void asus_report_contact_down(struct asus_drvdata *drvdat,
265 int toolType, u8 *data)
266 {
267 struct input_dev *input = drvdat->input;
268 int touch_major, pressure, x, y;
269
270 x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1];
271 y = drvdat->tp->max_y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]);
272
273 input_report_abs(input, ABS_MT_POSITION_X, x);
274 input_report_abs(input, ABS_MT_POSITION_Y, y);
275
276 if (drvdat->tp->contact_size < 5)
277 return;
278
279 if (toolType == MT_TOOL_PALM) {
280 touch_major = MAX_TOUCH_MAJOR;
281 pressure = MAX_PRESSURE;
282 } else {
283 touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK;
284 pressure = data[4] & CONTACT_PRESSURE_MASK;
285 }
286
287 input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major);
288 input_report_abs(input, ABS_MT_PRESSURE, pressure);
289 }
290
291 /* Required for Synaptics Palm Detection */
asus_report_tool_width(struct asus_drvdata * drvdat)292 static void asus_report_tool_width(struct asus_drvdata *drvdat)
293 {
294 struct input_mt *mt = drvdat->input->mt;
295 struct input_mt_slot *oldest;
296 int oldid, i;
297
298 if (drvdat->tp->contact_size < 5)
299 return;
300
301 oldest = NULL;
302 oldid = mt->trkid;
303
304 for (i = 0; i < mt->num_slots; ++i) {
305 struct input_mt_slot *ps = &mt->slots[i];
306 int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID);
307
308 if (id < 0)
309 continue;
310 if ((id - oldid) & TRKID_SGN) {
311 oldest = ps;
312 oldid = id;
313 }
314 }
315
316 if (oldest) {
317 input_report_abs(drvdat->input, ABS_TOOL_WIDTH,
318 input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR));
319 }
320 }
321
asus_report_input(struct asus_drvdata * drvdat,u8 * data,int size)322 static int asus_report_input(struct asus_drvdata *drvdat, u8 *data, int size)
323 {
324 int i, toolType = MT_TOOL_FINGER;
325 u8 *contactData = data + 2;
326
327 if (size != drvdat->tp->report_size)
328 return 0;
329
330 for (i = 0; i < drvdat->tp->max_contacts; i++) {
331 bool down = !!(data[1] & BIT(i+3));
332
333 if (drvdat->tp->contact_size >= 5)
334 toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ?
335 MT_TOOL_PALM : MT_TOOL_FINGER;
336
337 input_mt_slot(drvdat->input, i);
338 input_mt_report_slot_state(drvdat->input, toolType, down);
339
340 if (down) {
341 asus_report_contact_down(drvdat, toolType, contactData);
342 contactData += drvdat->tp->contact_size;
343 }
344 }
345
346 input_report_key(drvdat->input, BTN_LEFT, data[1] & BTN_LEFT_MASK);
347 asus_report_tool_width(drvdat);
348
349 input_mt_sync_frame(drvdat->input);
350 input_sync(drvdat->input);
351
352 return 1;
353 }
354
asus_e1239t_event(struct asus_drvdata * drvdat,u8 * data,int size)355 static int asus_e1239t_event(struct asus_drvdata *drvdat, u8 *data, int size)
356 {
357 if (size != 3)
358 return 0;
359
360 /* Handle broken mute key which only sends press events */
361 if (!drvdat->tp &&
362 data[0] == 0x02 && data[1] == 0xe2 && data[2] == 0x00) {
363 input_report_key(drvdat->input, KEY_MUTE, 1);
364 input_sync(drvdat->input);
365 input_report_key(drvdat->input, KEY_MUTE, 0);
366 input_sync(drvdat->input);
367 return 1;
368 }
369
370 /* Handle custom touchpad toggle key which only sends press events */
371 if (drvdat->tp_kbd_input &&
372 data[0] == 0x05 && data[1] == 0x02 && data[2] == 0x28) {
373 input_report_key(drvdat->tp_kbd_input, KEY_F21, 1);
374 input_sync(drvdat->tp_kbd_input);
375 input_report_key(drvdat->tp_kbd_input, KEY_F21, 0);
376 input_sync(drvdat->tp_kbd_input);
377 return 1;
378 }
379
380 return 0;
381 }
382
383 /*
384 * Used in atomic contexts to schedule work involving sleeps operations or
385 * asus-wmi interactions.
386 *
387 * Caller is responsible to store relevant data in the structure to carry out
388 * the required action.
389 *
390 * This function must be called while the spin lock protecting the workqueue
391 * is already being held.
392 */
asus_worker_schedule(struct asus_worker * worker,struct asus_work_action * action)393 static void asus_worker_schedule(struct asus_worker *worker, struct asus_work_action *action)
394 {
395 if (worker->removed) {
396 kfree(action);
397 return;
398 }
399
400 list_add_tail(&action->node, &worker->actions);
401 schedule_work(&worker->work);
402 }
403
asus_kbd_fn_lock_set(struct asus_drvdata * drvdata,bool enabled)404 static int asus_kbd_fn_lock_set(struct asus_drvdata *drvdata, bool enabled)
405 {
406 struct asus_work_action *action;
407 unsigned long flags;
408
409 action = kzalloc_obj(struct asus_work_action, GFP_ATOMIC);
410 if (!action)
411 return -ENOMEM;
412
413 drvdata->fn_lock = enabled;
414 action->type = FN_LOCK_SYNC;
415 action->data.fn_lock = drvdata->fn_lock;
416 INIT_LIST_HEAD(&action->node);
417
418 spin_lock_irqsave(&drvdata->worker->lock, flags);
419 asus_worker_schedule(drvdata->worker, action);
420 spin_unlock_irqrestore(&drvdata->worker->lock, flags);
421
422 return 0;
423 }
424
asus_kbd_wmi_fan_send(struct asus_drvdata * drvdata,u8 * report_data,size_t report_size)425 static int asus_kbd_wmi_fan_send(struct asus_drvdata *drvdata, u8 *report_data,
426 size_t report_size)
427 {
428 struct asus_work_action *action;
429 unsigned long flags;
430
431 if (report_size > FEATURE_KBD_REPORT_SIZE) {
432 hid_err(drvdata->hdev, "Invalid report size for fan event: %zu\n", report_size);
433 return -EINVAL;
434 }
435
436 action = kzalloc_obj(struct asus_work_action, GFP_NOWAIT);
437 if (!action)
438 return -ENOMEM;
439
440 action->type = WMI_FAN;
441 action->data.fan_hid_data.report_size = report_size;
442 memcpy(action->data.fan_hid_data.report_data, report_data, report_size);
443 INIT_LIST_HEAD(&action->node);
444
445 spin_lock_irqsave(&drvdata->worker->lock, flags);
446 asus_worker_schedule(drvdata->worker, action);
447 spin_unlock_irqrestore(&drvdata->worker->lock, flags);
448
449 return 0;
450 }
451
asus_event(struct hid_device * hdev,struct hid_field * field,struct hid_usage * usage,__s32 value)452 static int asus_event(struct hid_device *hdev, struct hid_field *field,
453 struct hid_usage *usage, __s32 value)
454 {
455 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
456 int ret;
457
458 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR &&
459 (usage->hid & HID_USAGE) != 0x00 &&
460 (usage->hid & HID_USAGE) != 0xff && !usage->type) {
461 hid_warn(hdev, "Unmapped Asus vendor usagepage code 0x%02x\n",
462 usage->hid & HID_USAGE);
463 }
464
465 if (usage->type == EV_KEY && value) {
466 switch (usage->code) {
467 case KEY_KBDILLUMUP:
468 return !asus_hid_event(ASUS_EV_BRTUP);
469 case KEY_KBDILLUMDOWN:
470 return !asus_hid_event(ASUS_EV_BRTDOWN);
471 case KEY_KBDILLUMTOGGLE:
472 return !asus_hid_event(ASUS_EV_BRTTOGGLE);
473 case KEY_FN_ESC:
474 if (drvdata->quirks & QUIRK_HID_FN_LOCK) {
475 ret = asus_kbd_fn_lock_set(drvdata, !drvdata->fn_lock);
476 if (ret) {
477 hid_err(hdev, "Error while toggling FN lock: %d\n", ret);
478 return ret;
479 }
480 }
481 break;
482 }
483 }
484
485 return 0;
486 }
487
asus_raw_event(struct hid_device * hdev,struct hid_report * report,u8 * data,int size)488 static int asus_raw_event(struct hid_device *hdev,
489 struct hid_report *report, u8 *data, int size)
490 {
491 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
492 int ret;
493
494 if (size < 2) {
495 hid_dbg(hdev, "Unexpected keyboard report size %d\n", size);
496 return 0;
497 }
498
499 if (drvdata->battery && data[0] == BATTERY_REPORT_ID)
500 return asus_report_battery(drvdata, data, size);
501
502 if (drvdata->tp && data[0] == INPUT_REPORT_ID)
503 return asus_report_input(drvdata, data, size);
504
505 if (drvdata->quirks & QUIRK_MEDION_E1239T)
506 return asus_e1239t_event(drvdata, data, size);
507
508 /*
509 * Skip these report ID, the device emits a continuous stream associated
510 * with the AURA mode it is in which looks like an 'echo'.
511 */
512 if (report->id == FEATURE_KBD_LED_REPORT_ID1 || report->id == FEATURE_KBD_LED_REPORT_ID2)
513 return -1;
514 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD) {
515 if (report->id == FEATURE_KBD_REPORT_ID) {
516 /*
517 * Fn+F5 fan control key - try to send WMI event to toggle fan mode.
518 * If successful, block the event from reaching userspace.
519 * If asus-wmi is unavailable or the call fails, let the event
520 * pass to userspace so it can implement its own fan control.
521 */
522 if (data[1] == ASUS_FAN_CTRL_KEY_CODE) {
523 ret = asus_kbd_wmi_fan_send(drvdata, data, size);
524
525 /* if execution deferred successfully block event */
526 if (ret == 0)
527 return -1;
528
529 return ret;
530 }
531
532 /*
533 * ASUS ROG laptops send these codes during normal operation
534 * with no discernable reason. Filter them out to avoid
535 * unmapped warning messages.
536 */
537 if (data[1] == ASUS_SPURIOUS_CODE_0XEA ||
538 data[1] == ASUS_SPURIOUS_CODE_0XEC ||
539 data[1] == ASUS_SPURIOUS_CODE_0X02 ||
540 data[1] == ASUS_SPURIOUS_CODE_0X8A ||
541 data[1] == ASUS_SPURIOUS_CODE_0X9E) {
542 return -1;
543 }
544 }
545
546 /*
547 * G713 and G733 send these codes on some keypresses, depending on
548 * the key pressed it can trigger a shutdown event if not caught.
549 */
550 if (data[0] == 0x02 && data[1] == 0x30)
551 return -1;
552 }
553
554 if (drvdata->quirks & QUIRK_ROG_CLAYMORE_II_KEYBOARD) {
555 /*
556 * CLAYMORE II keyboard sends this packet when it goes to sleep
557 * this causes the whole system to go into suspend.
558 */
559 if (size == 2 && data[0] == 0x02 && data[1] == 0x00)
560 return -1;
561 }
562
563 /*
564 * The camera-toggle key reports its vendor usage (0x85) together with a
565 * companion state byte in the same array report, e.g. "5a 85 01" and
566 * "5a 85 10" for the two toggle positions. The 0x10 companion aliases the
567 * brightness-down vendor usage and would spuriously dim the panel, so drop
568 * the companion slots and leave only the camera usage for input mapping.
569 */
570 if (drvdata->quirks & QUIRK_FILTER_CAMERA_COMPANION &&
571 report->id == FEATURE_KBD_REPORT_ID && size >= 3 && data[1] == 0x85)
572 memset(&data[2], 0, size - 2);
573
574 return 0;
575 }
576
asus_kbd_set_report(struct hid_device * hdev,const u8 * buf,size_t buf_size)577 static int asus_kbd_set_report(struct hid_device *hdev, const u8 *buf, size_t buf_size)
578 {
579 u8 *dmabuf __free(kfree) = kmemdup(buf, buf_size, GFP_KERNEL);
580 if (!dmabuf)
581 return -ENOMEM;
582
583 /*
584 * The report ID should be set from the incoming buffer due to LED and key
585 * interfaces having different pages
586 */
587 return hid_hw_raw_request(hdev, buf[0], dmabuf, buf_size, HID_FEATURE_REPORT,
588 HID_REQ_SET_REPORT);
589 }
590
asus_kbd_init(struct hid_device * hdev,u8 report_id)591 static int asus_kbd_init(struct hid_device *hdev, u8 report_id)
592 {
593 /*
594 * The handshake is first sent as a set_report, then retrieved
595 * from a get_report. They should be equal.
596 */
597 const u8 buf[] = { report_id, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54,
598 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 };
599 int ret;
600
601 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
602 if (ret < 0) {
603 hid_err(hdev, "Asus handshake %02x failed to send: %d\n",
604 report_id, ret);
605 return ret;
606 }
607
608 u8 *readbuf __free(kfree) = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
609 if (!readbuf)
610 return -ENOMEM;
611
612 ret = hid_hw_raw_request(hdev, report_id, readbuf,
613 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
614 HID_REQ_GET_REPORT);
615 if (ret < 0) {
616 hid_warn(hdev, "Asus handshake %02x failed to receive ack: %d\n",
617 report_id, ret);
618 } else if (memcmp(readbuf, buf, sizeof(buf)) != 0) {
619 hid_warn(hdev, "Asus handshake %02x returned invalid response: %*ph\n",
620 report_id, FEATURE_KBD_REPORT_SIZE, readbuf);
621 }
622
623 /*
624 * Do not return error if handshake is wrong until this is
625 * verified to work for all devices.
626 */
627 return 0;
628 }
629
asus_kbd_get_functions(struct hid_device * hdev,unsigned char * kbd_func,u8 report_id)630 static int asus_kbd_get_functions(struct hid_device *hdev,
631 unsigned char *kbd_func,
632 u8 report_id)
633 {
634 const u8 buf[] = { report_id, 0x05, 0x20, 0x31, 0x00, 0x08 };
635 u8 *readbuf;
636 int ret;
637
638 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
639 if (ret < 0) {
640 hid_err(hdev, "Asus failed to send configuration command: %d\n", ret);
641 return ret;
642 }
643
644 readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL);
645 if (!readbuf)
646 return -ENOMEM;
647
648 ret = hid_hw_raw_request(hdev, report_id, readbuf,
649 FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT,
650 HID_REQ_GET_REPORT);
651 if (ret < 0) {
652 hid_err(hdev, "Asus failed to request functions: %d\n", ret);
653 kfree(readbuf);
654 return ret;
655 }
656
657 *kbd_func = readbuf[6];
658
659 kfree(readbuf);
660 return ret;
661 }
662
asus_kbd_disable_oobe(struct hid_device * hdev)663 static int asus_kbd_disable_oobe(struct hid_device *hdev)
664 {
665 const u8 init[][6] = {
666 { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 },
667 { FEATURE_KBD_REPORT_ID, 0xBA, 0xC5, 0xC4 },
668 { FEATURE_KBD_REPORT_ID, 0xD0, 0x8F, 0x01 },
669 { FEATURE_KBD_REPORT_ID, 0xD0, 0x85, 0xFF }
670 };
671 int ret;
672
673 for (size_t i = 0; i < ARRAY_SIZE(init); i++) {
674 ret = asus_kbd_set_report(hdev, init[i], sizeof(init[i]));
675 if (ret < 0)
676 return ret;
677 }
678
679 hid_info(hdev, "Disabled OOBE for keyboard\n");
680 return 0;
681 }
682
asus_kbd_set_fn_lock(struct hid_device * hdev,bool enabled)683 static void asus_kbd_set_fn_lock(struct hid_device *hdev, bool enabled)
684 {
685 const u8 buf[FEATURE_KBD_REPORT_SIZE] = { FEATURE_KBD_REPORT_ID, 0xd0, 0x4e, !!enabled };
686 int ret;
687
688 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
689 if (ret < 0)
690 hid_err(hdev, "Asus failed to set fn lock: %d\n", ret);
691 }
692
asus_kbd_set_brightness(struct hid_device * hdev,u8 brightness)693 static void asus_kbd_set_brightness(struct hid_device *hdev, u8 brightness)
694 {
695 const u8 buf[FEATURE_KBD_REPORT_SIZE] = {
696 FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, brightness
697 };
698 int ret;
699
700 ret = asus_kbd_set_report(hdev, buf, sizeof(buf));
701 if (ret < 0)
702 hid_err(hdev, "Asus failed to set keyboard backlight: %d\n", ret);
703 }
704
asus_kbd_wmi_fan(struct hid_device * hdev,struct hid_raw_event_data * data)705 static void asus_kbd_wmi_fan(struct hid_device *hdev, struct hid_raw_event_data *data)
706 {
707 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
708 int ret;
709
710 ret = asus_wmi_send_event(drvdata, ASUS_FAN_CTRL_KEY_CODE);
711
712 /*
713 * Warn if asus-wmi failed (but not if it's unavailable).
714 * Let the event reach userspace in all failure cases.
715 */
716 switch (ret) {
717 case -ENODEV:
718 break;
719 case 0:
720 return;
721 default:
722 hid_warn(hdev, "Failed to notify asus-wmi: %d\n", ret);
723 break;
724 }
725
726 /*
727 * Fallback: pass the raw event to the HID core; to avoid
728 * racing against the hid_report_raw_event() that generated
729 * this event use the same locking mechanism and wait for
730 * that function to terminate and signal the deferred execution
731 * before raising the stored event.
732 */
733 down(&hdev->driver_input_lock);
734 hid_report_raw_event(hdev, HID_INPUT_REPORT,
735 data->report_data, data->report_size,
736 data->report_size, 1);
737 up(&hdev->driver_input_lock);
738 }
739
asus_kbd_backlight_set(struct asus_hid_listener * listener,int brightness)740 static void asus_kbd_backlight_set(struct asus_hid_listener *listener, int brightness)
741 {
742 struct asus_drvdata *drvdata = container_of(listener, struct asus_drvdata, listener);
743 struct asus_worker *worker = drvdata->worker;
744 struct asus_work_action *action;
745 unsigned long flags;
746
747 drvdata->kbd_backlight_brightness = brightness;
748
749 action = kzalloc_obj(struct asus_work_action, GFP_NOWAIT);
750 if (!action)
751 return;
752
753 action->type = BRIGHTNESS_SET;
754 action->data.brightness = brightness;
755 INIT_LIST_HEAD(&action->node);
756
757 spin_lock_irqsave(&worker->lock, flags);
758 asus_worker_schedule(worker, action);
759 spin_unlock_irqrestore(&worker->lock, flags);
760 }
761
asus_work(struct work_struct * work)762 static void asus_work(struct work_struct *work)
763 {
764 struct asus_worker *worker = container_of(work, struct asus_worker, work);
765 struct asus_work_action *action = NULL;
766 unsigned long flags;
767
768 /* Save the action to be performed and clear the flag */
769 spin_lock_irqsave(&worker->lock, flags);
770 if (!list_empty(&worker->actions)) {
771 action = list_first_entry(&worker->actions,
772 struct asus_work_action, node);
773 list_del(&action->node);
774 }
775 spin_unlock_irqrestore(&worker->lock, flags);
776
777 if (!action)
778 return;
779
780 switch (action->type) {
781 case BRIGHTNESS_SET:
782 asus_kbd_set_brightness(worker->hdev, action->data.brightness);
783 break;
784 case FN_LOCK_SYNC:
785 asus_kbd_set_fn_lock(worker->hdev, action->data.fn_lock);
786 break;
787 case WMI_FAN:
788 asus_kbd_wmi_fan(worker->hdev, &action->data.fan_hid_data);
789 break;
790 default:
791 hid_err(worker->hdev, "Invalid action type: %d\n", action->type);
792 break;
793 }
794
795 kfree(action);
796
797 /* Re-schedule if there are more pending actions */
798 spin_lock_irqsave(&worker->lock, flags);
799 if (!list_empty(&worker->actions))
800 schedule_work(&worker->work);
801 spin_unlock_irqrestore(&worker->lock, flags);
802 }
803
asus_worker_create(struct hid_device * hdev,struct asus_drvdata * drvdata)804 static int asus_worker_create(struct hid_device *hdev, struct asus_drvdata *drvdata)
805 {
806 drvdata->worker = devm_kzalloc(&hdev->dev, sizeof(struct asus_worker), GFP_KERNEL);
807 if (!drvdata->worker)
808 return -ENOMEM;
809
810 drvdata->worker->removed = false;
811 drvdata->worker->hdev = hdev;
812 INIT_LIST_HEAD(&drvdata->worker->actions);
813
814 INIT_WORK(&drvdata->worker->work, asus_work);
815 spin_lock_init(&drvdata->worker->lock);
816
817 return 0;
818 }
819
asus_worker_stop(struct asus_worker * worker)820 static void asus_worker_stop(struct asus_worker *worker)
821 {
822 struct asus_work_action *action, *tmp;
823 unsigned long flags;
824
825 spin_lock_irqsave(&worker->lock, flags);
826 worker->removed = true;
827 list_for_each_entry_safe(action, tmp, &worker->actions, node) {
828 list_del(&action->node);
829 kfree(action);
830 }
831 spin_unlock_irqrestore(&worker->lock, flags);
832
833 cancel_work_sync(&worker->work);
834 }
835
836 /*
837 * We don't care about any other part of the string except the version section.
838 * Example strings: FGA80100.RC72LA.312_T01, FGA80100.RC71LS.318_T01
839 * The bytes "5a 05 03 31 00 1a 13" and possibly more come before the version
840 * string, and there may be additional bytes after the version string such as
841 * "75 00 74 00 65 00" or a postfix such as "_T01"
842 */
mcu_parse_version_string(const u8 * response,size_t response_size)843 static int mcu_parse_version_string(const u8 *response, size_t response_size)
844 {
845 const u8 *end = response + response_size;
846 const u8 *p = response;
847 int dots, err, version;
848 char buf[4];
849
850 dots = 0;
851 while (p < end && dots < 2) {
852 if (*p++ == '.')
853 dots++;
854 }
855
856 if (dots != 2 || end - p < 3)
857 return -EINVAL;
858
859 memcpy(buf, p, 3);
860 buf[3] = '\0';
861
862 err = kstrtoint(buf, 10, &version);
863 if (err || version < 0)
864 return -EINVAL;
865
866 return version;
867 }
868
mcu_request_version(struct hid_device * hdev)869 static int mcu_request_version(struct hid_device *hdev)
870 {
871 u8 *response __free(kfree) = kzalloc(ROG_ALLY_REPORT_SIZE, GFP_KERNEL);
872 const u8 request[] = { 0x5a, 0x05, 0x03, 0x31, 0x00, 0x20 };
873 int ret;
874
875 if (!response)
876 return -ENOMEM;
877
878 ret = asus_kbd_set_report(hdev, request, sizeof(request));
879 if (ret < 0)
880 return ret;
881
882 ret = hid_hw_raw_request(hdev, FEATURE_REPORT_ID, response,
883 ROG_ALLY_REPORT_SIZE, HID_FEATURE_REPORT,
884 HID_REQ_GET_REPORT);
885 if (ret < 0)
886 return ret;
887
888 ret = mcu_parse_version_string(response, ROG_ALLY_REPORT_SIZE);
889 if (ret < 0) {
890 pr_err("Failed to parse MCU version: %d\n", ret);
891 print_hex_dump(KERN_ERR, "MCU: ", DUMP_PREFIX_NONE,
892 16, 1, response, ROG_ALLY_REPORT_SIZE, false);
893 }
894
895 return ret;
896 }
897
validate_mcu_fw_version(struct hid_device * hdev,int idProduct)898 static void validate_mcu_fw_version(struct hid_device *hdev, int idProduct)
899 {
900 int min_version, version;
901
902 version = mcu_request_version(hdev);
903 if (version < 0)
904 return;
905
906 switch (idProduct) {
907 case USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY:
908 min_version = ROG_ALLY_MIN_MCU;
909 break;
910 case USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X:
911 min_version = ROG_ALLY_X_MIN_MCU;
912 break;
913 default:
914 min_version = 0;
915 }
916
917 if (version < min_version) {
918 hid_warn(hdev,
919 "The MCU firmware version must be %d or greater to avoid issues with suspend.\n",
920 min_version);
921 } else {
922 set_ally_mcu_hack(ASUS_WMI_ALLY_MCU_HACK_DISABLED);
923 set_ally_mcu_powersave(true);
924 }
925 }
926
asus_has_report_id(struct hid_device * hdev,u16 report_id)927 static bool asus_has_report_id(struct hid_device *hdev, u16 report_id)
928 {
929 struct hid_report *report;
930 int t;
931
932 for (t = HID_INPUT_REPORT; t <= HID_FEATURE_REPORT; t++) {
933 list_for_each_entry(report, &hdev->report_enum[t].report_list, list) {
934 if (report->id == report_id)
935 return true;
936 }
937 }
938
939 return false;
940 }
941
asus_kbd_register_leds(struct hid_device * hdev)942 static int asus_kbd_register_leds(struct hid_device *hdev)
943 {
944 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
945 struct usb_interface *intf;
946 struct usb_device *udev;
947 unsigned char kbd_func;
948 int ret;
949
950 /* Get keyboard functions */
951 ret = asus_kbd_get_functions(hdev, &kbd_func, FEATURE_KBD_REPORT_ID);
952 if (ret < 0)
953 return ret;
954
955 /* Check for backlight support */
956 if (!(kbd_func & SUPPORT_KBD_BACKLIGHT))
957 return -ENODEV;
958
959 if (dmi_match(DMI_PRODUCT_FAMILY, "ProArt P16")) {
960 ret = asus_kbd_disable_oobe(hdev);
961 if (ret < 0)
962 return ret;
963 }
964
965 if ((drvdata->quirks & QUIRK_ROG_ALLY_XPAD) && hid_is_usb(hdev)) {
966 intf = to_usb_interface(hdev->dev.parent);
967 udev = interface_to_usbdev(intf);
968 validate_mcu_fw_version(hdev,
969 le16_to_cpu(udev->descriptor.idProduct));
970 }
971
972 drvdata->listener.brightness_set = asus_kbd_backlight_set;
973 ret = asus_hid_register_listener(&drvdata->listener);
974 if (ret < 0) {
975 hid_err(hdev, "Unable to register kbd brightness listener: %d\n", ret);
976 drvdata->listener.brightness_set = NULL;
977 }
978
979 return ret;
980 }
981
982 /*
983 * [0] REPORT_ID (same value defined in report descriptor)
984 * [1] rest battery level. range [0..255]
985 * [2]..[7] Bluetooth hardware address (MAC address)
986 * [8] charging status
987 * = 0 : AC offline / discharging
988 * = 1 : AC online / charging
989 * = 2 : AC online / fully charged
990 */
asus_parse_battery(struct asus_drvdata * drvdata,u8 * data,int size)991 static int asus_parse_battery(struct asus_drvdata *drvdata, u8 *data, int size)
992 {
993 u8 sts;
994 u8 lvl;
995 int val;
996
997 lvl = data[1];
998 sts = data[8];
999
1000 drvdata->battery_capacity = ((int)lvl * 100) / (int)BATTERY_LEVEL_MAX;
1001
1002 switch (sts) {
1003 case BATTERY_STAT_CHARGING:
1004 val = POWER_SUPPLY_STATUS_CHARGING;
1005 break;
1006 case BATTERY_STAT_FULL:
1007 val = POWER_SUPPLY_STATUS_FULL;
1008 break;
1009 case BATTERY_STAT_DISCONNECT:
1010 default:
1011 val = POWER_SUPPLY_STATUS_DISCHARGING;
1012 break;
1013 }
1014 drvdata->battery_stat = val;
1015
1016 return 0;
1017 }
1018
asus_report_battery(struct asus_drvdata * drvdata,u8 * data,int size)1019 static int asus_report_battery(struct asus_drvdata *drvdata, u8 *data, int size)
1020 {
1021 /* notify only the autonomous event by device */
1022 if ((drvdata->battery_in_query == false) &&
1023 (size == BATTERY_REPORT_SIZE))
1024 power_supply_changed(drvdata->battery);
1025
1026 return 0;
1027 }
1028
asus_battery_query(struct asus_drvdata * drvdata)1029 static int asus_battery_query(struct asus_drvdata *drvdata)
1030 {
1031 u8 *buf;
1032 int ret = 0;
1033
1034 buf = kmalloc(BATTERY_REPORT_SIZE, GFP_KERNEL);
1035 if (!buf)
1036 return -ENOMEM;
1037
1038 drvdata->battery_in_query = true;
1039 ret = hid_hw_raw_request(drvdata->hdev, BATTERY_REPORT_ID,
1040 buf, BATTERY_REPORT_SIZE,
1041 HID_INPUT_REPORT, HID_REQ_GET_REPORT);
1042 drvdata->battery_in_query = false;
1043 if (ret == BATTERY_REPORT_SIZE)
1044 ret = asus_parse_battery(drvdata, buf, BATTERY_REPORT_SIZE);
1045 else
1046 ret = -ENODATA;
1047
1048 kfree(buf);
1049
1050 return ret;
1051 }
1052
1053 static enum power_supply_property asus_battery_props[] = {
1054 POWER_SUPPLY_PROP_STATUS,
1055 POWER_SUPPLY_PROP_PRESENT,
1056 POWER_SUPPLY_PROP_CAPACITY,
1057 POWER_SUPPLY_PROP_SCOPE,
1058 POWER_SUPPLY_PROP_MODEL_NAME,
1059 };
1060
1061 #define QUERY_MIN_INTERVAL (60 * HZ) /* 60[sec] */
1062
asus_battery_get_property(struct power_supply * psy,enum power_supply_property psp,union power_supply_propval * val)1063 static int asus_battery_get_property(struct power_supply *psy,
1064 enum power_supply_property psp,
1065 union power_supply_propval *val)
1066 {
1067 struct asus_drvdata *drvdata = power_supply_get_drvdata(psy);
1068 int ret = 0;
1069
1070 switch (psp) {
1071 case POWER_SUPPLY_PROP_STATUS:
1072 case POWER_SUPPLY_PROP_CAPACITY:
1073 if (time_before(drvdata->battery_next_query, jiffies)) {
1074 drvdata->battery_next_query =
1075 jiffies + QUERY_MIN_INTERVAL;
1076 ret = asus_battery_query(drvdata);
1077 if (ret)
1078 return ret;
1079 }
1080 if (psp == POWER_SUPPLY_PROP_STATUS)
1081 val->intval = drvdata->battery_stat;
1082 else
1083 val->intval = drvdata->battery_capacity;
1084 break;
1085 case POWER_SUPPLY_PROP_PRESENT:
1086 val->intval = 1;
1087 break;
1088 case POWER_SUPPLY_PROP_SCOPE:
1089 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
1090 break;
1091 case POWER_SUPPLY_PROP_MODEL_NAME:
1092 val->strval = drvdata->hdev->name;
1093 break;
1094 default:
1095 ret = -EINVAL;
1096 break;
1097 }
1098
1099 return ret;
1100 }
1101
asus_battery_probe(struct hid_device * hdev)1102 static int asus_battery_probe(struct hid_device *hdev)
1103 {
1104 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1105 struct power_supply_config pscfg = { .drv_data = drvdata };
1106 int ret = 0;
1107
1108 drvdata->battery_capacity = 0;
1109 drvdata->battery_stat = POWER_SUPPLY_STATUS_UNKNOWN;
1110 drvdata->battery_in_query = false;
1111
1112 drvdata->battery_desc.properties = asus_battery_props;
1113 drvdata->battery_desc.num_properties = ARRAY_SIZE(asus_battery_props);
1114 drvdata->battery_desc.get_property = asus_battery_get_property;
1115 drvdata->battery_desc.type = POWER_SUPPLY_TYPE_BATTERY;
1116 drvdata->battery_desc.use_for_apm = 0;
1117 drvdata->battery_desc.name = devm_kasprintf(&hdev->dev, GFP_KERNEL,
1118 "asus-keyboard-%s-battery",
1119 strlen(hdev->uniq) ?
1120 hdev->uniq : dev_name(&hdev->dev));
1121 if (!drvdata->battery_desc.name)
1122 return -ENOMEM;
1123
1124 drvdata->battery_next_query = jiffies;
1125
1126 drvdata->battery = devm_power_supply_register(&hdev->dev,
1127 &(drvdata->battery_desc), &pscfg);
1128 if (IS_ERR(drvdata->battery)) {
1129 ret = PTR_ERR(drvdata->battery);
1130 drvdata->battery = NULL;
1131 hid_err(hdev, "Unable to register battery device\n");
1132 return ret;
1133 }
1134
1135 power_supply_powers(drvdata->battery, &hdev->dev);
1136
1137 return ret;
1138 }
1139
asus_input_configured(struct hid_device * hdev,struct hid_input * hi)1140 static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi)
1141 {
1142 struct input_dev *input = hi->input;
1143 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1144
1145 /* T100CHI uses MULTI_INPUT, bind the touchpad to the mouse hid_input */
1146 if (drvdata->quirks & QUIRK_T100CHI &&
1147 hi->report->id != T100CHI_MOUSE_REPORT_ID)
1148 return 0;
1149
1150 /* Handle MULTI_INPUT on E1239T mouse/touchpad USB interface */
1151 if (drvdata->tp && (drvdata->quirks & QUIRK_MEDION_E1239T)) {
1152 switch (hi->report->id) {
1153 case E1239T_TP_TOGGLE_REPORT_ID:
1154 input_set_capability(input, EV_KEY, KEY_F21);
1155 input->name = "Asus Touchpad Keys";
1156 drvdata->tp_kbd_input = input;
1157 return 0;
1158 case INPUT_REPORT_ID:
1159 break; /* Touchpad report, handled below */
1160 default:
1161 return 0; /* Ignore other reports */
1162 }
1163 }
1164
1165 if (drvdata->tp) {
1166 int ret;
1167
1168 input_set_abs_params(input, ABS_MT_POSITION_X, 0,
1169 drvdata->tp->max_x, 0, 0);
1170 input_set_abs_params(input, ABS_MT_POSITION_Y, 0,
1171 drvdata->tp->max_y, 0, 0);
1172 input_abs_set_res(input, ABS_MT_POSITION_X, drvdata->tp->res_x);
1173 input_abs_set_res(input, ABS_MT_POSITION_Y, drvdata->tp->res_y);
1174
1175 if (drvdata->tp->contact_size >= 5) {
1176 input_set_abs_params(input, ABS_TOOL_WIDTH, 0,
1177 MAX_TOUCH_MAJOR, 0, 0);
1178 input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0,
1179 MAX_TOUCH_MAJOR, 0, 0);
1180 input_set_abs_params(input, ABS_MT_PRESSURE, 0,
1181 MAX_PRESSURE, 0, 0);
1182 }
1183
1184 __set_bit(BTN_LEFT, input->keybit);
1185 __set_bit(INPUT_PROP_BUTTONPAD, input->propbit);
1186
1187 ret = input_mt_init_slots(input, drvdata->tp->max_contacts,
1188 INPUT_MT_POINTER);
1189
1190 if (ret) {
1191 hid_err(hdev, "Asus input mt init slots failed: %d\n", ret);
1192 return ret;
1193 }
1194 }
1195
1196 drvdata->input = input;
1197
1198 if ((drvdata->quirks & QUIRK_HID_FN_LOCK) &&
1199 (asus_kbd_fn_lock_set(drvdata, true)))
1200 hid_warn(hdev, "Error while setting FN lock to ON\n");
1201
1202 return 0;
1203 }
1204
1205 #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \
1206 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)1207 static int asus_input_mapping(struct hid_device *hdev,
1208 struct hid_input *hi, struct hid_field *field,
1209 struct hid_usage *usage, unsigned long **bit,
1210 int *max)
1211 {
1212 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1213
1214 if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) {
1215 /* Don't map anything from the HID report.
1216 * We do it all manually in asus_input_configured
1217 */
1218 return -1;
1219 }
1220
1221 /*
1222 * Ignore a bunch of bogus collections in the T100CHI descriptor.
1223 * This avoids a bunch of non-functional hid_input devices getting
1224 * created because of the T100CHI using HID_QUIRK_MULTI_INPUT.
1225 */
1226 if ((drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) &&
1227 (field->application == (HID_UP_GENDESK | 0x0080) ||
1228 field->application == HID_GD_MOUSE ||
1229 usage->hid == (HID_UP_GENDEVCTRLS | 0x0024) ||
1230 usage->hid == (HID_UP_GENDEVCTRLS | 0x0025) ||
1231 usage->hid == (HID_UP_GENDEVCTRLS | 0x0026)))
1232 return -1;
1233
1234 /* ASUS-specific keyboard hotkeys and led backlight */
1235 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR) {
1236 switch (usage->hid & HID_USAGE) {
1237 case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
1238 case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
1239 case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break;
1240 case 0x6c: asus_map_key_clear(KEY_SLEEP); break;
1241 case 0x7c: asus_map_key_clear(KEY_MICMUTE); break;
1242 case 0x82: asus_map_key_clear(KEY_CAMERA); break;
1243 case 0x85: asus_map_key_clear(KEY_CAMERA); break;
1244 case 0x86: asus_map_key_clear(KEY_PROG1); break; /* MyASUS key */
1245 case 0x88: asus_map_key_clear(KEY_RFKILL); break;
1246 case 0xb5: asus_map_key_clear(KEY_CALC); break;
1247 case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break;
1248 case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break;
1249 case 0xc7: asus_map_key_clear(KEY_KBDILLUMTOGGLE); break;
1250 case 0x4e: asus_map_key_clear(KEY_FN_ESC); break;
1251 case 0x7e: asus_map_key_clear(KEY_EMOJI_PICKER); break;
1252
1253 case 0x8b: asus_map_key_clear(KEY_PROG1); break; /* ProArt Creator Hub key */
1254 case 0x5f: asus_map_key_clear(KEY_PROG2); break; /* S-shaped programmable key */
1255 case 0x6b: asus_map_key_clear(KEY_F21); break; /* ASUS touchpad toggle */
1256 case 0x38: asus_map_key_clear(KEY_PROG1); break; /* ROG key */
1257 case 0xba: asus_map_key_clear(KEY_PROG2); break; /* Fn+C ASUS Splendid */
1258 case 0x5c: asus_map_key_clear(KEY_PROG3); break; /* Fn+Space Power4Gear */
1259 case 0x99: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */
1260 case 0xae: asus_map_key_clear(KEY_PROG4); break; /* Fn+F5 "fan" symbol */
1261 case 0x92: asus_map_key_clear(KEY_CALC); break; /* Fn+Ret "Calc" symbol */
1262 case 0xb2: asus_map_key_clear(KEY_PROG2); break; /* Fn+Left previous aura */
1263 case 0xb3: asus_map_key_clear(KEY_PROG3); break; /* Fn+Left next aura */
1264 case 0x6a: asus_map_key_clear(KEY_F13); break; /* Screenpad toggle */
1265 case 0x4b: asus_map_key_clear(KEY_F14); break; /* Arrows/Pg-Up/Dn toggle */
1266 case 0xa5: asus_map_key_clear(KEY_F15); break; /* ROG Ally left back */
1267 case 0xa6: asus_map_key_clear(KEY_F16); break; /* ROG Ally QAM button */
1268 case 0xa7: asus_map_key_clear(KEY_F17); break; /* ROG Ally ROG long-press */
1269 case 0xa8: asus_map_key_clear(KEY_F18); break; /* ROG Ally ROG long-press-release */
1270
1271 default:
1272 /* ASUS lazily declares 256 usages, ignore the rest,
1273 * as some make the keyboard appear as a pointer device. */
1274 return -1;
1275 }
1276
1277 set_bit(EV_REP, hi->input->evbit);
1278 return 1;
1279 }
1280
1281 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) {
1282 switch (usage->hid & HID_USAGE) {
1283 case 0xff01: asus_map_key_clear(BTN_1); break;
1284 case 0xff02: asus_map_key_clear(BTN_2); break;
1285 case 0xff03: asus_map_key_clear(BTN_3); break;
1286 case 0xff04: asus_map_key_clear(BTN_4); break;
1287 case 0xff05: asus_map_key_clear(BTN_5); break;
1288 case 0xff06: asus_map_key_clear(BTN_6); break;
1289 case 0xff07: asus_map_key_clear(BTN_7); break;
1290 case 0xff08: asus_map_key_clear(BTN_8); break;
1291 case 0xff09: asus_map_key_clear(BTN_9); break;
1292 case 0xff0a: asus_map_key_clear(BTN_A); break;
1293 case 0xff0b: asus_map_key_clear(BTN_B); break;
1294 case 0x00f1: asus_map_key_clear(KEY_WLAN); break;
1295 case 0x00f2: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break;
1296 case 0x00f3: asus_map_key_clear(KEY_BRIGHTNESSUP); break;
1297 case 0x00f4: asus_map_key_clear(KEY_DISPLAY_OFF); break;
1298 case 0x00f7: asus_map_key_clear(KEY_CAMERA); break;
1299 case 0x00f8: asus_map_key_clear(KEY_PROG1); break;
1300 default:
1301 return 0;
1302 }
1303
1304 set_bit(EV_REP, hi->input->evbit);
1305 return 1;
1306 }
1307
1308 if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES &&
1309 (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) {
1310 switch (usage->hid & HID_USAGE) {
1311 case 0xe2: /* Mute */
1312 case 0xe9: /* Volume up */
1313 case 0xea: /* Volume down */
1314 return 0;
1315 default:
1316 /* Ignore dummy Consumer usages which make the
1317 * keyboard incorrectly appear as a pointer device.
1318 */
1319 return -1;
1320 }
1321 }
1322
1323 /*
1324 * The mute button is broken and only sends press events, we
1325 * deal with this in our raw_event handler, so do not map it.
1326 */
1327 if ((drvdata->quirks & QUIRK_MEDION_E1239T) &&
1328 usage->hid == (HID_UP_CONSUMER | 0xe2)) {
1329 input_set_capability(hi->input, EV_KEY, KEY_MUTE);
1330 return -1;
1331 }
1332
1333 return 0;
1334 }
1335
asus_start_multitouch(struct hid_device * hdev)1336 static int asus_start_multitouch(struct hid_device *hdev)
1337 {
1338 int ret;
1339 static const unsigned char buf[] = {
1340 FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00
1341 };
1342 unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL);
1343
1344 if (!dmabuf) {
1345 ret = -ENOMEM;
1346 hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret);
1347 return ret;
1348 }
1349
1350 ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf),
1351 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
1352
1353 kfree(dmabuf);
1354
1355 if (ret != sizeof(buf)) {
1356 hid_err(hdev, "Asus failed to start multitouch: %d\n", ret);
1357 return ret;
1358 }
1359
1360 return 0;
1361 }
1362
asus_resume(struct hid_device * hdev)1363 static int __maybe_unused asus_resume(struct hid_device *hdev)
1364 {
1365 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1366
1367 /*
1368 * If we have a backlight listener registered, restore the previous state,
1369 * in case of error do not fail: most models restore the backlight
1370 * automatically, and the error is non-fatal.
1371 */
1372 if (drvdata->listener.brightness_set)
1373 asus_kbd_backlight_set(&drvdata->listener, drvdata->kbd_backlight_brightness);
1374
1375 return 0;
1376 }
1377
asus_reset_resume(struct hid_device * hdev)1378 static int __maybe_unused asus_reset_resume(struct hid_device *hdev)
1379 {
1380 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1381
1382 if (drvdata->tp)
1383 return asus_start_multitouch(hdev);
1384
1385 return 0;
1386 }
1387
asus_probe(struct hid_device * hdev,const struct hid_device_id * id)1388 static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id)
1389 {
1390 struct hid_report_enum *rep_enum;
1391 struct asus_drvdata *drvdata;
1392 struct hid_report *rep;
1393 bool is_vendor = false;
1394 int ret;
1395
1396 drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL);
1397 if (drvdata == NULL)
1398 return -ENOMEM;
1399
1400 hid_set_drvdata(hdev, drvdata);
1401
1402 drvdata->quirks = id->driver_data;
1403
1404 /*
1405 * T90CHI's keyboard dock returns same ID values as T100CHI's dock.
1406 * Thus, identify T90CHI dock with product name string.
1407 */
1408 if (strstr(hdev->name, "T90CHI")) {
1409 drvdata->quirks &= ~QUIRK_T100CHI;
1410 drvdata->quirks |= QUIRK_T90CHI;
1411 }
1412
1413 if (drvdata->quirks & QUIRK_IS_MULTITOUCH)
1414 drvdata->tp = &asus_i2c_tp;
1415
1416 if ((drvdata->quirks & QUIRK_T100_KEYBOARD) && hid_is_usb(hdev)) {
1417 struct usb_interface *intf = to_usb_interface(hdev->dev.parent);
1418
1419 if (intf->altsetting->desc.bInterfaceNumber == T100_TPAD_INTF) {
1420 drvdata->quirks = QUIRK_SKIP_INPUT_MAPPING;
1421 /*
1422 * The T100HA uses the same USB-ids as the T100TAF and
1423 * the T200TA uses the same USB-ids as the T100TA, while
1424 * both have different max x/y values as the T100TA[F].
1425 */
1426 if (dmi_match(DMI_PRODUCT_NAME, "T100HAN"))
1427 drvdata->tp = &asus_t100ha_tp;
1428 else if (dmi_match(DMI_PRODUCT_NAME, "T200TA"))
1429 drvdata->tp = &asus_t200ta_tp;
1430 else
1431 drvdata->tp = &asus_t100ta_tp;
1432 }
1433 }
1434
1435 if (drvdata->quirks & QUIRK_T100CHI) {
1436 /*
1437 * All functionality is on a single HID interface and for
1438 * userspace the touchpad must be a separate input_dev.
1439 */
1440 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1441 drvdata->tp = &asus_t100chi_tp;
1442 }
1443
1444 if ((drvdata->quirks & QUIRK_MEDION_E1239T) && hid_is_usb(hdev)) {
1445 struct usb_host_interface *alt =
1446 to_usb_interface(hdev->dev.parent)->altsetting;
1447
1448 if (alt->desc.bInterfaceNumber == MEDION_E1239T_TPAD_INTF) {
1449 /* For separate input-devs for tp and tp toggle key */
1450 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
1451 drvdata->quirks |= QUIRK_SKIP_INPUT_MAPPING;
1452 drvdata->tp = &medion_e1239t_tp;
1453 }
1454 }
1455
1456 if (drvdata->quirks & QUIRK_NO_INIT_REPORTS)
1457 hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS;
1458
1459 drvdata->hdev = hdev;
1460
1461 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1462 ret = asus_battery_probe(hdev);
1463 if (ret) {
1464 hid_err(hdev,
1465 "Asus hid battery_probe failed: %d\n", ret);
1466 return ret;
1467 }
1468 }
1469
1470 ret = hid_parse(hdev);
1471 if (ret) {
1472 hid_err(hdev, "Asus hid parse failed: %d\n", ret);
1473 return ret;
1474 }
1475
1476 /* Check for vendor for RGB init and handle generic devices properly. */
1477 rep_enum = &hdev->report_enum[HID_INPUT_REPORT];
1478 list_for_each_entry(rep, &rep_enum->report_list, list) {
1479 if ((rep->application & HID_USAGE_PAGE) == HID_UP_ASUSVENDOR)
1480 is_vendor = true;
1481 }
1482
1483 ret = asus_worker_create(hdev, drvdata);
1484 if (ret) {
1485 hid_warn(hdev, "Failed to initialize worker: %d\n", ret);
1486 return ret;
1487 }
1488
1489 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1490 if (ret) {
1491 asus_worker_stop(drvdata->worker);
1492 hid_err(hdev, "Asus hw start failed: %d\n", ret);
1493 return ret;
1494 }
1495
1496 for (int r = 0; r < ARRAY_SIZE(asus_report_id_init); r++) {
1497 if (asus_has_report_id(hdev, asus_report_id_init[r])) {
1498 ret = asus_kbd_init(hdev, asus_report_id_init[r]);
1499 if (ret < 0)
1500 hid_warn(hdev, "Failed to initialize 0x%x: %d.\n",
1501 asus_report_id_init[r], ret);
1502 }
1503 }
1504
1505 /* Laptops keyboard backlight is always at 0x5a */
1506 if (is_vendor && (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) &&
1507 (asus_has_report_id(hdev, FEATURE_KBD_REPORT_ID)) &&
1508 (asus_kbd_register_leds(hdev)))
1509 hid_warn(hdev, "Failed to initialize backlight.\n");
1510
1511 /*
1512 * For ROG keyboards, skip rename for consistency and ->input check as
1513 * some devices do not have inputs.
1514 */
1515 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD)
1516 return 0;
1517
1518 /*
1519 * Check that input registration succeeded. Checking that
1520 * HID_CLAIMED_INPUT is set prevents a UAF when all input devices
1521 * were freed during registration due to no usages being mapped,
1522 * leaving drvdata->input pointing to freed memory.
1523 */
1524 if (drvdata->input && (hdev->claimed & HID_CLAIMED_INPUT)) {
1525 if (drvdata->tp)
1526 drvdata->input->name = "Asus TouchPad";
1527 else
1528 drvdata->input->name = "Asus Keyboard";
1529
1530 if (drvdata->tp) {
1531 ret = asus_start_multitouch(hdev);
1532 if (ret)
1533 goto err_stop_hw;
1534 }
1535 }
1536
1537 return 0;
1538 err_stop_hw:
1539 if (drvdata->listener.brightness_set)
1540 asus_hid_unregister_listener(&drvdata->listener);
1541
1542 asus_worker_stop(drvdata->worker);
1543 hid_hw_stop(hdev);
1544 return ret;
1545 }
1546
asus_remove(struct hid_device * hdev)1547 static void asus_remove(struct hid_device *hdev)
1548 {
1549 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1550
1551 if (drvdata->listener.brightness_set)
1552 asus_hid_unregister_listener(&drvdata->listener);
1553
1554 asus_worker_stop(drvdata->worker);
1555 hid_hw_stop(hdev);
1556 }
1557
1558 static const __u8 asus_g752_fixed_rdesc[] = {
1559 0x19, 0x00, /* Usage Minimum (0x00) */
1560 0x2A, 0xFF, 0x00, /* Usage Maximum (0xFF) */
1561 };
1562
asus_report_fixup(struct hid_device * hdev,__u8 * rdesc,unsigned int * rsize)1563 static const __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc,
1564 unsigned int *rsize)
1565 {
1566 struct asus_drvdata *drvdata = hid_get_drvdata(hdev);
1567
1568 if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT &&
1569 *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) {
1570 hid_info(hdev, "Fixing up Asus notebook report descriptor\n");
1571 rdesc[55] = 0xdd;
1572 }
1573 /* For the T100TA/T200TA keyboard dock */
1574 if (drvdata->quirks & QUIRK_T100_KEYBOARD &&
1575 (*rsize == 76 || *rsize == 101) &&
1576 rdesc[73] == 0x81 && rdesc[74] == 0x01) {
1577 hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n");
1578 rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT;
1579 }
1580 /* For the T100CHI/T90CHI keyboard dock */
1581 if (drvdata->quirks & (QUIRK_T100CHI | QUIRK_T90CHI)) {
1582 int rsize_orig;
1583 int offs;
1584
1585 if (drvdata->quirks & QUIRK_T100CHI) {
1586 rsize_orig = 403;
1587 offs = 388;
1588 } else {
1589 rsize_orig = 306;
1590 offs = 291;
1591 }
1592
1593 /*
1594 * Change Usage (76h) to Usage Minimum (00h), Usage Maximum
1595 * (FFh) and clear the flags in the Input() byte.
1596 * Note the descriptor has a bogus 0 byte at the end so we
1597 * only need 1 extra byte.
1598 */
1599 if (*rsize == rsize_orig &&
1600 rdesc[offs] == 0x09 && rdesc[offs + 1] == 0x76) {
1601 __u8 *new_rdesc;
1602
1603 new_rdesc = devm_kzalloc(&hdev->dev, rsize_orig + 1,
1604 GFP_KERNEL);
1605 if (!new_rdesc)
1606 return rdesc;
1607
1608 hid_info(hdev, "Fixing up %s keyb report descriptor\n",
1609 drvdata->quirks & QUIRK_T100CHI ?
1610 "T100CHI" : "T90CHI");
1611
1612 memcpy(new_rdesc, rdesc, rsize_orig);
1613 *rsize = rsize_orig + 1;
1614 rdesc = new_rdesc;
1615
1616 memmove(rdesc + offs + 4, rdesc + offs + 2, 12);
1617 rdesc[offs] = 0x19;
1618 rdesc[offs + 1] = 0x00;
1619 rdesc[offs + 2] = 0x29;
1620 rdesc[offs + 3] = 0xff;
1621 rdesc[offs + 14] = 0x00;
1622 }
1623 }
1624
1625 if (drvdata->quirks & QUIRK_G752_KEYBOARD &&
1626 *rsize == 75 && rdesc[61] == 0x15 && rdesc[62] == 0x00) {
1627 /* report is missing usage minimum and maximum */
1628 __u8 *new_rdesc;
1629 size_t new_size = *rsize + sizeof(asus_g752_fixed_rdesc);
1630
1631 new_rdesc = devm_kzalloc(&hdev->dev, new_size, GFP_KERNEL);
1632 if (new_rdesc == NULL)
1633 return rdesc;
1634
1635 hid_info(hdev, "Fixing up Asus G752 keyb report descriptor\n");
1636 /* copy the valid part */
1637 memcpy(new_rdesc, rdesc, 61);
1638 /* insert missing part */
1639 memcpy(new_rdesc + 61, asus_g752_fixed_rdesc, sizeof(asus_g752_fixed_rdesc));
1640 /* copy remaining data */
1641 memcpy(new_rdesc + 61 + sizeof(asus_g752_fixed_rdesc), rdesc + 61, *rsize - 61);
1642
1643 *rsize = new_size;
1644 rdesc = new_rdesc;
1645 }
1646
1647 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD &&
1648 *rsize == 331 && rdesc[190] == 0x85 && rdesc[191] == 0x5a &&
1649 rdesc[204] == 0x95 && rdesc[205] == 0x05) {
1650 hid_info(hdev, "Fixing up Asus N-KEY keyb report descriptor\n");
1651 rdesc[205] = 0x01;
1652 }
1653
1654 /* match many more n-key devices */
1655 if (drvdata->quirks & QUIRK_ROG_NKEY_KEYBOARD && *rsize > 15) {
1656 for (int i = 0; i < *rsize - 15; i++) {
1657 /* offset to the count from 0x5a report part always 14 */
1658 if (rdesc[i] == 0x85 && rdesc[i + 1] == 0x5a &&
1659 rdesc[i + 14] == 0x95 && rdesc[i + 15] == 0x05) {
1660 hid_info(hdev, "Fixing up Asus N-Key report descriptor\n");
1661 rdesc[i + 15] = 0x01;
1662 break;
1663 }
1664 }
1665 }
1666
1667 return rdesc;
1668 }
1669
1670 static const struct hid_device_id asus_devices[] = {
1671 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1672 USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS},
1673 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1674 USB_DEVICE_ID_ASUSTEK_I2C_ZENBOOK_KEYBOARD),
1675 I2C_KEYBOARD_QUIRKS | QUIRK_FILTER_CAMERA_COMPANION },
1676 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1677 USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS },
1678 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1679 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1), QUIRK_USE_KBD_BACKLIGHT },
1680 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1681 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT },
1682 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1683 USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD3), QUIRK_G752_KEYBOARD },
1684 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1685 USB_DEVICE_ID_ASUSTEK_FX503VD_KEYBOARD),
1686 QUIRK_USE_KBD_BACKLIGHT },
1687 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1688 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD),
1689 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1690 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1691 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1692 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_HID_FN_LOCK },
1693 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK,
1694 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_KEYBOARD2),
1695 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_HID_FN_LOCK },
1696 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1697 USB_DEVICE_ID_ASUSTEK_ROG_Z13_LIGHTBAR),
1698 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1699 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1700 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY),
1701 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_ALLY_XPAD},
1702 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1703 USB_DEVICE_ID_ASUSTEK_ROG_NKEY_ALLY_X),
1704 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD | QUIRK_ROG_ALLY_XPAD },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1706 USB_DEVICE_ID_ASUSTEK_XGM_2022),
1707 },
1708 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1709 USB_DEVICE_ID_ASUSTEK_XGM_2023),
1710 },
1711 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1712 USB_DEVICE_ID_ASUSTEK_ROG_CLAYMORE_II_KEYBOARD),
1713 QUIRK_ROG_CLAYMORE_II_KEYBOARD },
1714 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1715 USB_DEVICE_ID_ASUSTEK_T100TA_KEYBOARD),
1716 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1717 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK,
1718 USB_DEVICE_ID_ASUSTEK_T100TAF_KEYBOARD),
1719 QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES },
1720 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
1721 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1722 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1723 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK,
1724 USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD), QUIRK_T100CHI },
1725 { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE_MEDION_E1239T),
1726 QUIRK_MEDION_E1239T },
1727 /*
1728 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
1729 * part, while letting hid-multitouch.c handle the touchpad.
1730 */
1731 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1732 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_Z13_FOLIO),
1733 QUIRK_USE_KBD_BACKLIGHT | QUIRK_ROG_NKEY_KEYBOARD },
1734 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1735 USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T101HA_KEYBOARD) },
1736 { }
1737 };
1738 MODULE_DEVICE_TABLE(hid, asus_devices);
1739
1740 static struct hid_driver asus_driver = {
1741 .name = "asus",
1742 .id_table = asus_devices,
1743 .report_fixup = asus_report_fixup,
1744 .probe = asus_probe,
1745 .remove = asus_remove,
1746 .input_mapping = asus_input_mapping,
1747 .input_configured = asus_input_configured,
1748 .reset_resume = pm_ptr(asus_reset_resume),
1749 .resume = pm_ptr(asus_resume),
1750 .event = asus_event,
1751 .raw_event = asus_raw_event
1752 };
1753 module_hid_driver(asus_driver);
1754
1755 MODULE_IMPORT_NS("ASUS_WMI");
1756 MODULE_LICENSE("GPL");
1757