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eeb01a57 | 1 | /* |
b94f7d5d | 2 | * HID driver for Asus notebook built-in keyboard. |
eeb01a57 YF |
3 | * Fixes small logical maximum to match usage maximum. |
4 | * | |
b94f7d5d YF |
5 | * Currently supported devices are: |
6 | * EeeBook X205TA | |
7 | * VivoBook E200HA | |
8 | * | |
eeb01a57 YF |
9 | * Copyright (c) 2016 Yusuke Fujimaki <usk.fujimaki@gmail.com> |
10 | * | |
11 | * This module based on hid-ortek by | |
12 | * Copyright (c) 2010 Johnathon Harris <jmharris@gmail.com> | |
13 | * Copyright (c) 2011 Jiri Kosina | |
9ce12d8b BM |
14 | * |
15 | * This module has been updated to add support for Asus i2c touchpad. | |
16 | * | |
17 | * Copyright (c) 2016 Brendan McGrath <redmcg@redmandi.dyndns.org> | |
18 | * Copyright (c) 2016 Victor Vlasenko <victor.vlasenko@sysgears.com> | |
19 | * Copyright (c) 2016 Frederik Wenigwieser <frederik.wenigwieser@gmail.com> | |
eeb01a57 YF |
20 | */ |
21 | ||
22 | /* | |
23 | * This program is free software; you can redistribute it and/or modify it | |
24 | * under the terms of the GNU General Public License as published by the Free | |
25 | * Software Foundation; either version 2 of the License, or (at your option) | |
26 | * any later version. | |
27 | */ | |
28 | ||
eeb01a57 YF |
29 | #include <linux/hid.h> |
30 | #include <linux/module.h> | |
9ce12d8b | 31 | #include <linux/input/mt.h> |
eeb01a57 YF |
32 | |
33 | #include "hid-ids.h" | |
34 | ||
9ce12d8b BM |
35 | MODULE_AUTHOR("Yusuke Fujimaki <usk.fujimaki@gmail.com>"); |
36 | MODULE_AUTHOR("Brendan McGrath <redmcg@redmandi.dyndns.org>"); | |
37 | MODULE_AUTHOR("Victor Vlasenko <victor.vlasenko@sysgears.com>"); | |
38 | MODULE_AUTHOR("Frederik Wenigwieser <frederik.wenigwieser@gmail.com>"); | |
39 | MODULE_DESCRIPTION("Asus HID Keyboard and TouchPad"); | |
40 | ||
41 | #define FEATURE_REPORT_ID 0x0d | |
42 | #define INPUT_REPORT_ID 0x5d | |
af22a610 | 43 | #define FEATURE_KBD_REPORT_ID 0x5a |
9ce12d8b BM |
44 | |
45 | #define INPUT_REPORT_SIZE 28 | |
af22a610 CC |
46 | #define FEATURE_KBD_REPORT_SIZE 16 |
47 | ||
48 | #define SUPPORT_KBD_BACKLIGHT BIT(0) | |
9ce12d8b BM |
49 | |
50 | #define MAX_CONTACTS 5 | |
51 | ||
52 | #define MAX_X 2794 | |
53 | #define MAX_Y 1758 | |
54 | #define MAX_TOUCH_MAJOR 8 | |
55 | #define MAX_PRESSURE 128 | |
56 | ||
57 | #define CONTACT_DATA_SIZE 5 | |
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 QUIRK_FIX_NOTEBOOK_REPORT BIT(0) | |
67 | #define QUIRK_NO_INIT_REPORTS BIT(1) | |
68 | #define QUIRK_SKIP_INPUT_MAPPING BIT(2) | |
69 | #define QUIRK_IS_MULTITOUCH BIT(3) | |
0485b1ec | 70 | #define QUIRK_NO_CONSUMER_USAGES BIT(4) |
af22a610 | 71 | #define QUIRK_USE_KBD_BACKLIGHT BIT(5) |
76dd1fbe | 72 | #define QUIRK_T100_KEYBOARD BIT(6) |
9ce12d8b | 73 | |
a93913e1 | 74 | #define I2C_KEYBOARD_QUIRKS (QUIRK_FIX_NOTEBOOK_REPORT | \ |
0485b1ec MH |
75 | QUIRK_NO_INIT_REPORTS | \ |
76 | QUIRK_NO_CONSUMER_USAGES) | |
a93913e1 | 77 | #define I2C_TOUCHPAD_QUIRKS (QUIRK_NO_INIT_REPORTS | \ |
9ce12d8b BM |
78 | QUIRK_SKIP_INPUT_MAPPING | \ |
79 | QUIRK_IS_MULTITOUCH) | |
80 | ||
81 | #define TRKID_SGN ((TRKID_MAX + 1) >> 1) | |
82 | ||
af22a610 CC |
83 | struct asus_kbd_leds { |
84 | struct led_classdev cdev; | |
85 | struct hid_device *hdev; | |
86 | struct work_struct work; | |
87 | unsigned int brightness; | |
88 | bool removed; | |
89 | }; | |
90 | ||
9ce12d8b BM |
91 | struct asus_drvdata { |
92 | unsigned long quirks; | |
93 | struct input_dev *input; | |
af22a610 CC |
94 | struct asus_kbd_leds *kbd_backlight; |
95 | bool enable_backlight; | |
9ce12d8b BM |
96 | }; |
97 | ||
98 | static void asus_report_contact_down(struct input_dev *input, | |
99 | int toolType, u8 *data) | |
100 | { | |
101 | int touch_major, pressure; | |
102 | int x = (data[0] & CONTACT_X_MSB_MASK) << 4 | data[1]; | |
103 | int y = MAX_Y - ((data[0] & CONTACT_Y_MSB_MASK) << 8 | data[2]); | |
104 | ||
105 | if (toolType == MT_TOOL_PALM) { | |
106 | touch_major = MAX_TOUCH_MAJOR; | |
107 | pressure = MAX_PRESSURE; | |
108 | } else { | |
109 | touch_major = (data[3] >> 4) & CONTACT_TOUCH_MAJOR_MASK; | |
110 | pressure = data[4] & CONTACT_PRESSURE_MASK; | |
111 | } | |
112 | ||
113 | input_report_abs(input, ABS_MT_POSITION_X, x); | |
114 | input_report_abs(input, ABS_MT_POSITION_Y, y); | |
115 | input_report_abs(input, ABS_MT_TOUCH_MAJOR, touch_major); | |
116 | input_report_abs(input, ABS_MT_PRESSURE, pressure); | |
117 | } | |
118 | ||
119 | /* Required for Synaptics Palm Detection */ | |
120 | static void asus_report_tool_width(struct input_dev *input) | |
121 | { | |
122 | struct input_mt *mt = input->mt; | |
123 | struct input_mt_slot *oldest; | |
124 | int oldid, count, i; | |
125 | ||
126 | oldest = NULL; | |
127 | oldid = mt->trkid; | |
128 | count = 0; | |
129 | ||
130 | for (i = 0; i < mt->num_slots; ++i) { | |
131 | struct input_mt_slot *ps = &mt->slots[i]; | |
132 | int id = input_mt_get_value(ps, ABS_MT_TRACKING_ID); | |
133 | ||
134 | if (id < 0) | |
135 | continue; | |
136 | if ((id - oldid) & TRKID_SGN) { | |
137 | oldest = ps; | |
138 | oldid = id; | |
139 | } | |
140 | count++; | |
141 | } | |
142 | ||
143 | if (oldest) { | |
144 | input_report_abs(input, ABS_TOOL_WIDTH, | |
145 | input_mt_get_value(oldest, ABS_MT_TOUCH_MAJOR)); | |
146 | } | |
147 | } | |
148 | ||
149 | static void asus_report_input(struct input_dev *input, u8 *data) | |
150 | { | |
151 | int i; | |
152 | u8 *contactData = data + 2; | |
153 | ||
154 | for (i = 0; i < MAX_CONTACTS; i++) { | |
155 | bool down = !!(data[1] & BIT(i+3)); | |
156 | int toolType = contactData[3] & CONTACT_TOOL_TYPE_MASK ? | |
157 | MT_TOOL_PALM : MT_TOOL_FINGER; | |
158 | ||
159 | input_mt_slot(input, i); | |
160 | input_mt_report_slot_state(input, toolType, down); | |
161 | ||
162 | if (down) { | |
163 | asus_report_contact_down(input, toolType, contactData); | |
164 | contactData += CONTACT_DATA_SIZE; | |
165 | } | |
166 | } | |
167 | ||
168 | input_report_key(input, BTN_LEFT, data[1] & BTN_LEFT_MASK); | |
169 | asus_report_tool_width(input); | |
170 | ||
171 | input_mt_sync_frame(input); | |
172 | input_sync(input); | |
173 | } | |
174 | ||
175 | static int asus_raw_event(struct hid_device *hdev, | |
176 | struct hid_report *report, u8 *data, int size) | |
177 | { | |
178 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
179 | ||
180 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH && | |
181 | data[0] == INPUT_REPORT_ID && | |
182 | size == INPUT_REPORT_SIZE) { | |
183 | asus_report_input(drvdata->input, data); | |
184 | return 1; | |
185 | } | |
186 | ||
187 | return 0; | |
188 | } | |
189 | ||
af22a610 CC |
190 | static int asus_kbd_set_report(struct hid_device *hdev, u8 *buf, size_t buf_size) |
191 | { | |
192 | unsigned char *dmabuf; | |
193 | int ret; | |
194 | ||
195 | dmabuf = kmemdup(buf, buf_size, GFP_KERNEL); | |
196 | if (!dmabuf) | |
197 | return -ENOMEM; | |
198 | ||
199 | ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, dmabuf, | |
200 | buf_size, HID_FEATURE_REPORT, | |
201 | HID_REQ_SET_REPORT); | |
202 | kfree(dmabuf); | |
203 | ||
204 | return ret; | |
205 | } | |
206 | ||
207 | static int asus_kbd_init(struct hid_device *hdev) | |
208 | { | |
209 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x41, 0x53, 0x55, 0x53, 0x20, 0x54, | |
210 | 0x65, 0x63, 0x68, 0x2e, 0x49, 0x6e, 0x63, 0x2e, 0x00 }; | |
211 | int ret; | |
212 | ||
213 | ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); | |
214 | if (ret < 0) | |
215 | hid_err(hdev, "Asus failed to send init command: %d\n", ret); | |
216 | ||
217 | return ret; | |
218 | } | |
219 | ||
220 | static int asus_kbd_get_functions(struct hid_device *hdev, | |
221 | unsigned char *kbd_func) | |
222 | { | |
223 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0x05, 0x20, 0x31, 0x00, 0x08 }; | |
224 | u8 *readbuf; | |
225 | int ret; | |
226 | ||
227 | ret = asus_kbd_set_report(hdev, buf, sizeof(buf)); | |
228 | if (ret < 0) { | |
229 | hid_err(hdev, "Asus failed to send configuration command: %d\n", ret); | |
230 | return ret; | |
231 | } | |
232 | ||
233 | readbuf = kzalloc(FEATURE_KBD_REPORT_SIZE, GFP_KERNEL); | |
234 | if (!readbuf) | |
235 | return -ENOMEM; | |
236 | ||
237 | ret = hid_hw_raw_request(hdev, FEATURE_KBD_REPORT_ID, readbuf, | |
238 | FEATURE_KBD_REPORT_SIZE, HID_FEATURE_REPORT, | |
239 | HID_REQ_GET_REPORT); | |
240 | if (ret < 0) { | |
241 | hid_err(hdev, "Asus failed to request functions: %d\n", ret); | |
242 | kfree(readbuf); | |
243 | return ret; | |
244 | } | |
245 | ||
246 | *kbd_func = readbuf[6]; | |
247 | ||
248 | kfree(readbuf); | |
249 | return ret; | |
250 | } | |
251 | ||
252 | static void asus_kbd_backlight_set(struct led_classdev *led_cdev, | |
253 | enum led_brightness brightness) | |
254 | { | |
255 | struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, | |
256 | cdev); | |
257 | if (led->brightness == brightness) | |
258 | return; | |
259 | ||
260 | led->brightness = brightness; | |
261 | schedule_work(&led->work); | |
262 | } | |
263 | ||
264 | static enum led_brightness asus_kbd_backlight_get(struct led_classdev *led_cdev) | |
265 | { | |
266 | struct asus_kbd_leds *led = container_of(led_cdev, struct asus_kbd_leds, | |
267 | cdev); | |
268 | ||
269 | return led->brightness; | |
270 | } | |
271 | ||
272 | static void asus_kbd_backlight_work(struct work_struct *work) | |
273 | { | |
274 | struct asus_kbd_leds *led = container_of(work, struct asus_kbd_leds, work); | |
275 | u8 buf[] = { FEATURE_KBD_REPORT_ID, 0xba, 0xc5, 0xc4, 0x00 }; | |
276 | int ret; | |
277 | ||
278 | if (led->removed) | |
279 | return; | |
280 | ||
281 | buf[4] = led->brightness; | |
282 | ||
283 | ret = asus_kbd_set_report(led->hdev, buf, sizeof(buf)); | |
284 | if (ret < 0) | |
285 | hid_err(led->hdev, "Asus failed to set keyboard backlight: %d\n", ret); | |
286 | } | |
287 | ||
288 | static int asus_kbd_register_leds(struct hid_device *hdev) | |
289 | { | |
290 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
291 | unsigned char kbd_func; | |
292 | int ret; | |
293 | ||
294 | /* Initialize keyboard */ | |
295 | ret = asus_kbd_init(hdev); | |
296 | if (ret < 0) | |
297 | return ret; | |
298 | ||
299 | /* Get keyboard functions */ | |
300 | ret = asus_kbd_get_functions(hdev, &kbd_func); | |
301 | if (ret < 0) | |
302 | return ret; | |
303 | ||
304 | /* Check for backlight support */ | |
305 | if (!(kbd_func & SUPPORT_KBD_BACKLIGHT)) | |
306 | return -ENODEV; | |
307 | ||
308 | drvdata->kbd_backlight = devm_kzalloc(&hdev->dev, | |
309 | sizeof(struct asus_kbd_leds), | |
310 | GFP_KERNEL); | |
311 | if (!drvdata->kbd_backlight) | |
312 | return -ENOMEM; | |
313 | ||
314 | drvdata->kbd_backlight->removed = false; | |
315 | drvdata->kbd_backlight->brightness = 0; | |
316 | drvdata->kbd_backlight->hdev = hdev; | |
317 | drvdata->kbd_backlight->cdev.name = "asus::kbd_backlight"; | |
318 | drvdata->kbd_backlight->cdev.max_brightness = 3; | |
319 | drvdata->kbd_backlight->cdev.brightness_set = asus_kbd_backlight_set; | |
320 | drvdata->kbd_backlight->cdev.brightness_get = asus_kbd_backlight_get; | |
321 | INIT_WORK(&drvdata->kbd_backlight->work, asus_kbd_backlight_work); | |
322 | ||
323 | ret = devm_led_classdev_register(&hdev->dev, &drvdata->kbd_backlight->cdev); | |
324 | if (ret < 0) { | |
325 | /* No need to have this still around */ | |
326 | devm_kfree(&hdev->dev, drvdata->kbd_backlight); | |
327 | } | |
328 | ||
329 | return ret; | |
330 | } | |
331 | ||
9ce12d8b BM |
332 | static int asus_input_configured(struct hid_device *hdev, struct hid_input *hi) |
333 | { | |
c8b1b3dd | 334 | struct input_dev *input = hi->input; |
9ce12d8b BM |
335 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
336 | ||
337 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH) { | |
338 | int ret; | |
9ce12d8b BM |
339 | |
340 | input_set_abs_params(input, ABS_MT_POSITION_X, 0, MAX_X, 0, 0); | |
341 | input_set_abs_params(input, ABS_MT_POSITION_Y, 0, MAX_Y, 0, 0); | |
342 | input_set_abs_params(input, ABS_TOOL_WIDTH, 0, MAX_TOUCH_MAJOR, 0, 0); | |
343 | input_set_abs_params(input, ABS_MT_TOUCH_MAJOR, 0, MAX_TOUCH_MAJOR, 0, 0); | |
344 | input_set_abs_params(input, ABS_MT_PRESSURE, 0, MAX_PRESSURE, 0, 0); | |
345 | ||
346 | __set_bit(BTN_LEFT, input->keybit); | |
347 | __set_bit(INPUT_PROP_BUTTONPAD, input->propbit); | |
348 | ||
349 | ret = input_mt_init_slots(input, MAX_CONTACTS, INPUT_MT_POINTER); | |
350 | ||
351 | if (ret) { | |
352 | hid_err(hdev, "Asus input mt init slots failed: %d\n", ret); | |
353 | return ret; | |
354 | } | |
9ce12d8b BM |
355 | } |
356 | ||
c8b1b3dd BM |
357 | drvdata->input = input; |
358 | ||
af22a610 CC |
359 | if (drvdata->enable_backlight && asus_kbd_register_leds(hdev)) |
360 | hid_warn(hdev, "Failed to initialize backlight.\n"); | |
361 | ||
9ce12d8b BM |
362 | return 0; |
363 | } | |
364 | ||
a93913e1 | 365 | #define asus_map_key_clear(c) hid_map_usage_clear(hi, usage, bit, \ |
1caccc25 | 366 | max, EV_KEY, (c)) |
9ce12d8b BM |
367 | static int asus_input_mapping(struct hid_device *hdev, |
368 | struct hid_input *hi, struct hid_field *field, | |
369 | struct hid_usage *usage, unsigned long **bit, | |
370 | int *max) | |
371 | { | |
372 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
373 | ||
374 | if (drvdata->quirks & QUIRK_SKIP_INPUT_MAPPING) { | |
375 | /* Don't map anything from the HID report. | |
376 | * We do it all manually in asus_input_configured | |
377 | */ | |
378 | return -1; | |
379 | } | |
380 | ||
a93913e1 | 381 | /* ASUS-specific keyboard hotkeys */ |
1caccc25 CC |
382 | if ((usage->hid & HID_USAGE_PAGE) == 0xff310000) { |
383 | set_bit(EV_REP, hi->input->evbit); | |
384 | switch (usage->hid & HID_USAGE) { | |
a93913e1 MH |
385 | case 0x10: asus_map_key_clear(KEY_BRIGHTNESSDOWN); break; |
386 | case 0x20: asus_map_key_clear(KEY_BRIGHTNESSUP); break; | |
387 | case 0x35: asus_map_key_clear(KEY_DISPLAY_OFF); break; | |
388 | case 0x6c: asus_map_key_clear(KEY_SLEEP); break; | |
389 | case 0x82: asus_map_key_clear(KEY_CAMERA); break; | |
802b24b4 | 390 | case 0x88: asus_map_key_clear(KEY_RFKILL); break; |
a93913e1 MH |
391 | case 0xb5: asus_map_key_clear(KEY_CALC); break; |
392 | case 0xc4: asus_map_key_clear(KEY_KBDILLUMUP); break; | |
393 | case 0xc5: asus_map_key_clear(KEY_KBDILLUMDOWN); break; | |
1caccc25 CC |
394 | |
395 | /* ASUS touchpad toggle */ | |
a93913e1 | 396 | case 0x6b: asus_map_key_clear(KEY_F21); break; |
1caccc25 CC |
397 | |
398 | /* ROG key */ | |
a93913e1 | 399 | case 0x38: asus_map_key_clear(KEY_PROG1); break; |
1caccc25 CC |
400 | |
401 | /* Fn+C ASUS Splendid */ | |
a93913e1 | 402 | case 0xba: asus_map_key_clear(KEY_PROG2); break; |
1caccc25 CC |
403 | |
404 | /* Fn+Space Power4Gear Hybrid */ | |
a93913e1 | 405 | case 0x5c: asus_map_key_clear(KEY_PROG3); break; |
1caccc25 CC |
406 | |
407 | default: | |
0485b1ec MH |
408 | /* ASUS lazily declares 256 usages, ignore the rest, |
409 | * as some make the keyboard appear as a pointer device. */ | |
410 | return -1; | |
1caccc25 | 411 | } |
af22a610 CC |
412 | |
413 | /* | |
414 | * Check and enable backlight only on devices with UsagePage == | |
415 | * 0xff31 to avoid initializing the keyboard firmware multiple | |
416 | * times on devices with multiple HID descriptors but same | |
417 | * PID/VID. | |
418 | */ | |
419 | if (drvdata->quirks & QUIRK_USE_KBD_BACKLIGHT) | |
420 | drvdata->enable_backlight = true; | |
421 | ||
1caccc25 CC |
422 | return 1; |
423 | } | |
424 | ||
0485b1ec MH |
425 | if (drvdata->quirks & QUIRK_NO_CONSUMER_USAGES && |
426 | (usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER) { | |
427 | switch (usage->hid & HID_USAGE) { | |
428 | case 0xe2: /* Mute */ | |
429 | case 0xe9: /* Volume up */ | |
430 | case 0xea: /* Volume down */ | |
431 | return 0; | |
432 | default: | |
433 | /* Ignore dummy Consumer usages which make the | |
434 | * keyboard incorrectly appear as a pointer device. | |
435 | */ | |
436 | return -1; | |
437 | } | |
438 | } | |
439 | ||
9ce12d8b BM |
440 | return 0; |
441 | } | |
442 | ||
443 | static int asus_start_multitouch(struct hid_device *hdev) | |
444 | { | |
445 | int ret; | |
446 | const unsigned char buf[] = { FEATURE_REPORT_ID, 0x00, 0x03, 0x01, 0x00 }; | |
447 | unsigned char *dmabuf = kmemdup(buf, sizeof(buf), GFP_KERNEL); | |
448 | ||
449 | if (!dmabuf) { | |
450 | ret = -ENOMEM; | |
451 | hid_err(hdev, "Asus failed to alloc dma buf: %d\n", ret); | |
452 | return ret; | |
453 | } | |
454 | ||
455 | ret = hid_hw_raw_request(hdev, dmabuf[0], dmabuf, sizeof(buf), | |
456 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
457 | ||
458 | kfree(dmabuf); | |
459 | ||
460 | if (ret != sizeof(buf)) { | |
461 | hid_err(hdev, "Asus failed to start multitouch: %d\n", ret); | |
462 | return ret; | |
463 | } | |
464 | ||
465 | return 0; | |
466 | } | |
467 | ||
468 | static int __maybe_unused asus_reset_resume(struct hid_device *hdev) | |
469 | { | |
470 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
471 | ||
472 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH) | |
473 | return asus_start_multitouch(hdev); | |
474 | ||
475 | return 0; | |
476 | } | |
477 | ||
478 | static int asus_probe(struct hid_device *hdev, const struct hid_device_id *id) | |
479 | { | |
480 | int ret; | |
481 | struct asus_drvdata *drvdata; | |
482 | ||
483 | drvdata = devm_kzalloc(&hdev->dev, sizeof(*drvdata), GFP_KERNEL); | |
484 | if (drvdata == NULL) { | |
485 | hid_err(hdev, "Can't alloc Asus descriptor\n"); | |
486 | return -ENOMEM; | |
487 | } | |
488 | ||
489 | hid_set_drvdata(hdev, drvdata); | |
490 | ||
491 | drvdata->quirks = id->driver_data; | |
492 | ||
493 | if (drvdata->quirks & QUIRK_NO_INIT_REPORTS) | |
494 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
495 | ||
496 | ret = hid_parse(hdev); | |
497 | if (ret) { | |
498 | hid_err(hdev, "Asus hid parse failed: %d\n", ret); | |
499 | return ret; | |
500 | } | |
501 | ||
502 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
503 | if (ret) { | |
504 | hid_err(hdev, "Asus hw start failed: %d\n", ret); | |
505 | return ret; | |
506 | } | |
507 | ||
508 | if (!drvdata->input) { | |
509 | hid_err(hdev, "Asus input not registered\n"); | |
510 | ret = -ENOMEM; | |
511 | goto err_stop_hw; | |
512 | } | |
513 | ||
c8b1b3dd BM |
514 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH) { |
515 | drvdata->input->name = "Asus TouchPad"; | |
516 | } else { | |
517 | drvdata->input->name = "Asus Keyboard"; | |
518 | } | |
9ce12d8b BM |
519 | |
520 | if (drvdata->quirks & QUIRK_IS_MULTITOUCH) { | |
521 | ret = asus_start_multitouch(hdev); | |
522 | if (ret) | |
523 | goto err_stop_hw; | |
524 | } | |
525 | ||
526 | return 0; | |
527 | err_stop_hw: | |
528 | hid_hw_stop(hdev); | |
529 | return ret; | |
530 | } | |
531 | ||
af22a610 CC |
532 | static void asus_remove(struct hid_device *hdev) |
533 | { | |
534 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); | |
535 | ||
536 | if (drvdata->kbd_backlight) { | |
537 | drvdata->kbd_backlight->removed = true; | |
538 | cancel_work_sync(&drvdata->kbd_backlight->work); | |
539 | } | |
715e944f CC |
540 | |
541 | hid_hw_stop(hdev); | |
af22a610 CC |
542 | } |
543 | ||
eeb01a57 YF |
544 | static __u8 *asus_report_fixup(struct hid_device *hdev, __u8 *rdesc, |
545 | unsigned int *rsize) | |
546 | { | |
9ce12d8b BM |
547 | struct asus_drvdata *drvdata = hid_get_drvdata(hdev); |
548 | ||
549 | if (drvdata->quirks & QUIRK_FIX_NOTEBOOK_REPORT && | |
550 | *rsize >= 56 && rdesc[54] == 0x25 && rdesc[55] == 0x65) { | |
b94f7d5d | 551 | hid_info(hdev, "Fixing up Asus notebook report descriptor\n"); |
eeb01a57 YF |
552 | rdesc[55] = 0xdd; |
553 | } | |
76dd1fbe HG |
554 | if (drvdata->quirks & QUIRK_T100_KEYBOARD && |
555 | *rsize == 76 && rdesc[73] == 0x81 && rdesc[74] == 0x01) { | |
556 | hid_info(hdev, "Fixing up Asus T100 keyb report descriptor\n"); | |
557 | rdesc[74] &= ~HID_MAIN_ITEM_CONSTANT; | |
558 | } | |
559 | ||
eeb01a57 YF |
560 | return rdesc; |
561 | } | |
562 | ||
563 | static const struct hid_device_id asus_devices[] = { | |
9ce12d8b | 564 | { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, |
a93913e1 | 565 | USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD), I2C_KEYBOARD_QUIRKS}, |
9ce12d8b | 566 | { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, |
a93913e1 | 567 | USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD), I2C_TOUCHPAD_QUIRKS }, |
1caccc25 CC |
568 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
569 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) }, | |
570 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, | |
af22a610 | 571 | USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2), QUIRK_USE_KBD_BACKLIGHT }, |
76dd1fbe HG |
572 | { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, |
573 | USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD), | |
574 | QUIRK_T100_KEYBOARD | QUIRK_NO_CONSUMER_USAGES }, | |
eeb01a57 YF |
575 | { } |
576 | }; | |
577 | MODULE_DEVICE_TABLE(hid, asus_devices); | |
578 | ||
579 | static struct hid_driver asus_driver = { | |
9ce12d8b BM |
580 | .name = "asus", |
581 | .id_table = asus_devices, | |
582 | .report_fixup = asus_report_fixup, | |
583 | .probe = asus_probe, | |
af22a610 | 584 | .remove = asus_remove, |
9ce12d8b BM |
585 | .input_mapping = asus_input_mapping, |
586 | .input_configured = asus_input_configured, | |
587 | #ifdef CONFIG_PM | |
588 | .reset_resume = asus_reset_resume, | |
589 | #endif | |
590 | .raw_event = asus_raw_event | |
eeb01a57 YF |
591 | }; |
592 | module_hid_driver(asus_driver); | |
593 | ||
594 | MODULE_LICENSE("GPL"); |