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