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Merge tag 'linux_kselftest-fixes-6.12-rc3' of git://git.kernel.org/pub/scm/linux...
[linux.git] / drivers / hid / hid-lenovo.c
blob3b0c779ce8f712c85177b9c85e37e9c16b064a18
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3 * HID driver for Lenovo:
4 * - ThinkPad USB Keyboard with TrackPoint (tpkbd)
5 * - ThinkPad Compact Bluetooth Keyboard with TrackPoint (cptkbd)
6 * - ThinkPad Compact USB Keyboard with TrackPoint (cptkbd)
7 * - ThinkPad TrackPoint Keyboard II USB/Bluetooth (cptkbd/tpIIkbd)
8 *
9 * Copyright (c) 2012 Bernhard Seibold
10 * Copyright (c) 2014 Jamie Lentin <jm@lentin.co.uk>
11 *
12 * Linux IBM/Lenovo Scrollpoint mouse driver:
13 * - IBM Scrollpoint III
14 * - IBM Scrollpoint Pro
15 * - IBM Scrollpoint Optical
16 * - IBM Scrollpoint Optical 800dpi
17 * - IBM Scrollpoint Optical 800dpi Pro
18 * - Lenovo Scrollpoint Optical
19 *
20 * Copyright (c) 2012 Peter De Wachter <pdewacht@gmail.com>
21 * Copyright (c) 2018 Peter Ganzhorn <peter.ganzhorn@gmail.com>
22 */
23
24 /*
25 */
26
27 #include <linux/module.h>
28 #include <linux/sysfs.h>
29 #include <linux/device.h>
30 #include <linux/hid.h>
31 #include <linux/input.h>
32 #include <linux/leds.h>
33 #include <linux/workqueue.h>
34
35 #include "hid-ids.h"
36
37 /* Userspace expects F20 for mic-mute KEY_MICMUTE does not work */
38 #define LENOVO_KEY_MICMUTE KEY_F20
39
40 struct lenovo_drvdata {
41 u8 led_report[3]; /* Must be first for proper alignment */
42 int led_state;
43 struct mutex led_report_mutex;
44 struct led_classdev led_mute;
45 struct led_classdev led_micmute;
46 struct work_struct fn_lock_sync_work;
47 struct hid_device *hdev;
48 int press_to_select;
49 int dragging;
50 int release_to_select;
51 int select_right;
52 int sensitivity;
53 int press_speed;
54 /* 0: Up
55 * 1: Down (undecided)
56 * 2: Scrolling
57 */
58 u8 middlebutton_state;
59 bool fn_lock;
60 bool middleclick_workaround_cptkbd;
61 };
62
63 #define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
64
65 #define TP10UBKBD_LED_OUTPUT_REPORT 9
66
67 #define TP10UBKBD_FN_LOCK_LED 0x54
68 #define TP10UBKBD_MUTE_LED 0x64
69 #define TP10UBKBD_MICMUTE_LED 0x74
70
71 #define TP10UBKBD_LED_OFF 1
72 #define TP10UBKBD_LED_ON 2
73
74 static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
75 enum led_brightness value)
76 {
77 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
78 int ret;
79
80 mutex_lock(&data->led_report_mutex);
81
82 data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT;
83 data->led_report[1] = led_code;
84 data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF;
85 ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3,
86 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
87 if (ret != 3) {
88 if (ret != -ENODEV)
89 hid_err(hdev, "Set LED output report error: %d\n", ret);
90
91 ret = ret < 0 ? ret : -EIO;
92 } else {
93 ret = 0;
94 }
95
96 mutex_unlock(&data->led_report_mutex);
97
98 return ret;
99 }
100
101 static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work)
102 {
103 struct lenovo_drvdata *data =
104 container_of(work, struct lenovo_drvdata, fn_lock_sync_work);
105
106 lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED,
107 data->fn_lock);
108 }
109
110 static const __u8 lenovo_pro_dock_need_fixup_collection[] = {
111 0x05, 0x88, /* Usage Page (Vendor Usage Page 0x88) */
112 0x09, 0x01, /* Usage (Vendor Usage 0x01) */
113 0xa1, 0x01, /* Collection (Application) */
114 0x85, 0x04, /* Report ID (4) */
115 0x19, 0x00, /* Usage Minimum (0) */
116 0x2a, 0xff, 0xff, /* Usage Maximum (65535) */
117 };
118
119 /* Broken ThinkPad TrackPoint II collection (Bluetooth mode) */
120 static const __u8 lenovo_tpIIbtkbd_need_fixup_collection[] = {
121 0x06, 0x00, 0xFF, /* Usage Page (Vendor Defined 0xFF00) */
122 0x09, 0x01, /* Usage (0x01) */
123 0xA1, 0x01, /* Collection (Application) */
124 0x85, 0x05, /* Report ID (5) */
125 0x1A, 0xF1, 0x00, /* Usage Minimum (0xF1) */
126 0x2A, 0xFC, 0x00, /* Usage Maximum (0xFC) */
127 0x15, 0x00, /* Logical Minimum (0) */
128 0x25, 0x01, /* Logical Maximum (1) */
129 0x75, 0x01, /* Report Size (1) */
130 0x95, 0x0D, /* Report Count (13) */
131 0x81, 0x02, /* Input (Data,Var,Abs,No Wrap,Linear,Preferred State,No Null Position) */
132 0x95, 0x03, /* Report Count (3) */
133 0x81, 0x01, /* Input (Const,Array,Abs,No Wrap,Linear,Preferred State,No Null Position) */
134 };
135
136 static const __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
137 unsigned int *rsize)
138 {
139 switch (hdev->product) {
140 case USB_DEVICE_ID_LENOVO_TPPRODOCK:
141 /* the fixups that need to be done:
142 * - get a reasonable usage max for the vendor collection
143 * 0x8801 from the report ID 4
144 */
145 if (*rsize >= 153 &&
146 memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection,
147 sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) {
148 rdesc[151] = 0x01;
149 rdesc[152] = 0x00;
150 }
151 break;
152 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
153 if (*rsize >= 263 &&
154 memcmp(&rdesc[234], lenovo_tpIIbtkbd_need_fixup_collection,
155 sizeof(lenovo_tpIIbtkbd_need_fixup_collection)) == 0) {
156 rdesc[244] = 0x00; /* usage minimum = 0x00 */
157 rdesc[247] = 0xff; /* usage maximum = 0xff */
158 rdesc[252] = 0xff; /* logical maximum = 0xff */
159 rdesc[254] = 0x08; /* report size = 0x08 */
160 rdesc[256] = 0x01; /* report count = 0x01 */
161 rdesc[258] = 0x00; /* input = 0x00 */
162 rdesc[260] = 0x01; /* report count (2) = 0x01 */
163 }
164 break;
165 }
166 return rdesc;
167 }
168
169 static int lenovo_input_mapping_tpkbd(struct hid_device *hdev,
170 struct hid_input *hi, struct hid_field *field,
171 struct hid_usage *usage, unsigned long **bit, int *max)
172 {
173 if (usage->hid == (HID_UP_BUTTON | 0x0010)) {
174 /* This sub-device contains trackpoint, mark it */
175 hid_set_drvdata(hdev, (void *)1);
176 map_key_clear(LENOVO_KEY_MICMUTE);
177 return 1;
178 }
179 return 0;
180 }
181
182 static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
183 struct hid_input *hi, struct hid_field *field,
184 struct hid_usage *usage, unsigned long **bit, int *max)
185 {
186 /* HID_UP_LNVENDOR = USB, HID_UP_MSVENDOR = BT */
187 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR ||
188 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
189 switch (usage->hid & HID_USAGE) {
190 case 0x00f1: /* Fn-F4: Mic mute */
191 map_key_clear(LENOVO_KEY_MICMUTE);
192 return 1;
193 case 0x00f2: /* Fn-F5: Brightness down */
194 map_key_clear(KEY_BRIGHTNESSDOWN);
195 return 1;
196 case 0x00f3: /* Fn-F6: Brightness up */
197 map_key_clear(KEY_BRIGHTNESSUP);
198 return 1;
199 case 0x00f4: /* Fn-F7: External display (projector) */
200 map_key_clear(KEY_SWITCHVIDEOMODE);
201 return 1;
202 case 0x00f5: /* Fn-F8: Wireless */
203 map_key_clear(KEY_WLAN);
204 return 1;
205 case 0x00f6: /* Fn-F9: Control panel */
206 map_key_clear(KEY_CONFIG);
207 return 1;
208 case 0x00f8: /* Fn-F11: View open applications (3 boxes) */
209 map_key_clear(KEY_SCALE);
210 return 1;
211 case 0x00f9: /* Fn-F12: Open My computer (6 boxes) USB-only */
212 /* NB: This mapping is invented in raw_event below */
213 map_key_clear(KEY_FILE);
214 return 1;
215 case 0x00fa: /* Fn-Esc: Fn-lock toggle */
216 map_key_clear(KEY_FN_ESC);
217 return 1;
218 case 0x00fb: /* Middle mouse button (in native mode) */
219 map_key_clear(BTN_MIDDLE);
220 return 1;
221 }
222 }
223
224 /* Compatibility middle/wheel mappings should be ignored */
225 if (usage->hid == HID_GD_WHEEL)
226 return -1;
227 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
228 (usage->hid & HID_USAGE) == 0x003)
229 return -1;
230 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
231 (usage->hid & HID_USAGE) == 0x238)
232 return -1;
233
234 /* Map wheel emulation reports: 0xffa1 = USB, 0xff10 = BT */
235 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
236 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
237 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
238 field->logical_minimum = -127;
239 field->logical_maximum = 127;
240
241 switch (usage->hid & HID_USAGE) {
242 case 0x0000:
243 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
244 return 1;
245 case 0x0001:
246 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
247 return 1;
248 default:
249 return -1;
250 }
251 }
252
253 return 0;
254 }
255
256 static int lenovo_input_mapping_tpIIkbd(struct hid_device *hdev,
257 struct hid_input *hi, struct hid_field *field,
258 struct hid_usage *usage, unsigned long **bit, int *max)
259 {
260 /*
261 * 0xff0a0000 = USB, HID_UP_MSVENDOR = BT.
262 *
263 * In BT mode, there are two HID_UP_MSVENDOR pages.
264 * Use only the page that contains report ID == 5.
265 */
266 if (((usage->hid & HID_USAGE_PAGE) == 0xff0a0000 ||
267 (usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR) &&
268 field->report->id == 5) {
269 switch (usage->hid & HID_USAGE) {
270 case 0x00bb: /* Fn-F4: Mic mute */
271 map_key_clear(LENOVO_KEY_MICMUTE);
272 return 1;
273 case 0x00c3: /* Fn-F5: Brightness down */
274 map_key_clear(KEY_BRIGHTNESSDOWN);
275 return 1;
276 case 0x00c4: /* Fn-F6: Brightness up */
277 map_key_clear(KEY_BRIGHTNESSUP);
278 return 1;
279 case 0x00c1: /* Fn-F8: Notification center */
280 map_key_clear(KEY_NOTIFICATION_CENTER);
281 return 1;
282 case 0x00bc: /* Fn-F9: Control panel */
283 map_key_clear(KEY_CONFIG);
284 return 1;
285 case 0x00b6: /* Fn-F10: Bluetooth */
286 map_key_clear(KEY_BLUETOOTH);
287 return 1;
288 case 0x00b7: /* Fn-F11: Keyboard config */
289 map_key_clear(KEY_KEYBOARD);
290 return 1;
291 case 0x00b8: /* Fn-F12: User function */
292 map_key_clear(KEY_PROG1);
293 return 1;
294 case 0x00b9: /* Fn-PrtSc: Snipping tool */
295 map_key_clear(KEY_SELECTIVE_SCREENSHOT);
296 return 1;
297 case 0x00b5: /* Fn-Esc: Fn-lock toggle */
298 map_key_clear(KEY_FN_ESC);
299 return 1;
300 }
301 }
302
303 if ((usage->hid & HID_USAGE_PAGE) == 0xffa00000) {
304 switch (usage->hid & HID_USAGE) {
305 case 0x00fb: /* Middle mouse (in native USB mode) */
306 map_key_clear(BTN_MIDDLE);
307 return 1;
308 }
309 }
310
311 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR &&
312 field->report->id == 21) {
313 switch (usage->hid & HID_USAGE) {
314 case 0x0004: /* Middle mouse (in native Bluetooth mode) */
315 map_key_clear(BTN_MIDDLE);
316 return 1;
317 }
318 }
319
320 /* Compatibility middle/wheel mappings should be ignored */
321 if (usage->hid == HID_GD_WHEEL)
322 return -1;
323 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
324 (usage->hid & HID_USAGE) == 0x003)
325 return -1;
326 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
327 (usage->hid & HID_USAGE) == 0x238)
328 return -1;
329
330 /* Map wheel emulation reports: 0xff10 */
331 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000) {
332 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
333 field->logical_minimum = -127;
334 field->logical_maximum = 127;
335
336 switch (usage->hid & HID_USAGE) {
337 case 0x0000:
338 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
339 return 1;
340 case 0x0001:
341 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
342 return 1;
343 default:
344 return -1;
345 }
346 }
347
348 return 0;
349 }
350
351 static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev,
352 struct hid_input *hi, struct hid_field *field,
353 struct hid_usage *usage, unsigned long **bit, int *max)
354 {
355 if (usage->hid == HID_GD_Z) {
356 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
357 return 1;
358 }
359 return 0;
360 }
361
362 static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev,
363 struct hid_input *hi, struct hid_field *field,
364 struct hid_usage *usage, unsigned long **bit, int *max)
365 {
366 /*
367 * The ThinkPad 10 Ultrabook Keyboard uses 0x000c0001 usage for
368 * a bunch of keys which have no standard consumer page code.
369 */
370 if (usage->hid == 0x000c0001) {
371 switch (usage->usage_index) {
372 case 8: /* Fn-Esc: Fn-lock toggle */
373 map_key_clear(KEY_FN_ESC);
374 return 1;
375 case 9: /* Fn-F4: Mic mute */
376 map_key_clear(LENOVO_KEY_MICMUTE);
377 return 1;
378 case 10: /* Fn-F7: Control panel */
379 map_key_clear(KEY_CONFIG);
380 return 1;
381 case 11: /* Fn-F8: Search (magnifier glass) */
382 map_key_clear(KEY_SEARCH);
383 return 1;
384 case 12: /* Fn-F10: Open My computer (6 boxes) */
385 map_key_clear(KEY_FILE);
386 return 1;
387 }
388 }
389
390 /*
391 * The Ultrabook Keyboard sends a spurious F23 key-press when resuming
392 * from suspend and it does not actually have a F23 key, ignore it.
393 */
394 if (usage->hid == 0x00070072)
395 return -1;
396
397 return 0;
398 }
399
400 static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev,
401 struct hid_input *hi, struct hid_field *field,
402 struct hid_usage *usage, unsigned long **bit, int *max)
403 {
404 /*
405 * The ThinkPad X1 Tablet Thin Keyboard uses 0x000c0001 usage for
406 * a bunch of keys which have no standard consumer page code.
407 */
408 if (usage->hid == 0x000c0001) {
409 switch (usage->usage_index) {
410 case 0: /* Fn-F10: Enable/disable bluetooth */
411 map_key_clear(KEY_BLUETOOTH);
412 return 1;
413 case 1: /* Fn-F11: Keyboard settings */
414 map_key_clear(KEY_KEYBOARD);
415 return 1;
416 case 2: /* Fn-F12: User function / Cortana */
417 map_key_clear(KEY_MACRO1);
418 return 1;
419 case 3: /* Fn-PrtSc: Snipping tool */
420 map_key_clear(KEY_SELECTIVE_SCREENSHOT);
421 return 1;
422 case 8: /* Fn-Esc: Fn-lock toggle */
423 map_key_clear(KEY_FN_ESC);
424 return 1;
425 case 9: /* Fn-F4: Mute/unmute microphone */
426 map_key_clear(KEY_MICMUTE);
427 return 1;
428 case 10: /* Fn-F9: Settings */
429 map_key_clear(KEY_CONFIG);
430 return 1;
431 case 13: /* Fn-F7: Manage external displays */
432 map_key_clear(KEY_SWITCHVIDEOMODE);
433 return 1;
434 case 14: /* Fn-F8: Enable/disable wifi */
435 map_key_clear(KEY_WLAN);
436 return 1;
437 }
438 }
439
440 if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) {
441 map_key_clear(KEY_SYSRQ);
442 return 1;
443 }
444
445 return 0;
446 }
447
448 static int lenovo_input_mapping(struct hid_device *hdev,
449 struct hid_input *hi, struct hid_field *field,
450 struct hid_usage *usage, unsigned long **bit, int *max)
451 {
452 switch (hdev->product) {
453 case USB_DEVICE_ID_LENOVO_TPKBD:
454 return lenovo_input_mapping_tpkbd(hdev, hi, field,
455 usage, bit, max);
456 case USB_DEVICE_ID_LENOVO_CUSBKBD:
457 case USB_DEVICE_ID_LENOVO_CBTKBD:
458 return lenovo_input_mapping_cptkbd(hdev, hi, field,
459 usage, bit, max);
460 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
461 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
462 return lenovo_input_mapping_tpIIkbd(hdev, hi, field,
463 usage, bit, max);
464 case USB_DEVICE_ID_IBM_SCROLLPOINT_III:
465 case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO:
466 case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL:
467 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL:
468 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO:
469 case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL:
470 return lenovo_input_mapping_scrollpoint(hdev, hi, field,
471 usage, bit, max);
472 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
473 return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
474 usage, bit, max);
475 case USB_DEVICE_ID_LENOVO_X1_TAB:
476 return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
477 default:
478 return 0;
479 }
480 }
481
482 #undef map_key_clear
483
484 /* Send a config command to the keyboard */
485 static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
486 unsigned char byte2, unsigned char byte3)
487 {
488 int ret;
489 unsigned char *buf;
490
491 buf = kzalloc(3, GFP_KERNEL);
492 if (!buf)
493 return -ENOMEM;
494
495 /*
496 * Feature report 0x13 is used for USB,
497 * output report 0x18 is used for Bluetooth.
498 * buf[0] is ignored by hid_hw_raw_request.
499 */
500 buf[0] = 0x18;
501 buf[1] = byte2;
502 buf[2] = byte3;
503
504 switch (hdev->product) {
505 case USB_DEVICE_ID_LENOVO_CUSBKBD:
506 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
507 ret = hid_hw_raw_request(hdev, 0x13, buf, 3,
508 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
509 break;
510 case USB_DEVICE_ID_LENOVO_CBTKBD:
511 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
512 ret = hid_hw_output_report(hdev, buf, 3);
513 break;
514 default:
515 ret = -EINVAL;
516 break;
517 }
518
519 kfree(buf);
520
521 return ret < 0 ? ret : 0; /* BT returns 0, USB returns sizeof(buf) */
522 }
523
524 static void lenovo_features_set_cptkbd(struct hid_device *hdev)
525 {
526 int ret;
527 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
528
529 /*
530 * Tell the keyboard a driver understands it, and turn F7, F9, F11 into
531 * regular keys
532 */
533 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
534 if (ret)
535 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
536
537 /* Switch middle button to native mode */
538 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
539 if (ret)
540 hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
541
542 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
543 if (ret)
544 hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
545
546 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
547 if (ret)
548 hid_err(hdev, "Sensitivity setting failed: %d\n", ret);
549 }
550
551 static ssize_t attr_fn_lock_show(struct device *dev,
552 struct device_attribute *attr,
553 char *buf)
554 {
555 struct hid_device *hdev = to_hid_device(dev);
556 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
557
558 return sysfs_emit(buf, "%u\n", data->fn_lock);
559 }
560
561 static ssize_t attr_fn_lock_store(struct device *dev,
562 struct device_attribute *attr,
563 const char *buf,
564 size_t count)
565 {
566 struct hid_device *hdev = to_hid_device(dev);
567 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
568 int value, ret;
569
570 if (kstrtoint(buf, 10, &value))
571 return -EINVAL;
572 if (value < 0 || value > 1)
573 return -EINVAL;
574
575 data->fn_lock = !!value;
576
577 switch (hdev->product) {
578 case USB_DEVICE_ID_LENOVO_CUSBKBD:
579 case USB_DEVICE_ID_LENOVO_CBTKBD:
580 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
581 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
582 lenovo_features_set_cptkbd(hdev);
583 break;
584 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
585 case USB_DEVICE_ID_LENOVO_X1_TAB:
586 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
587 if (ret)
588 return ret;
589 break;
590 }
591
592 return count;
593 }
594
595 static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
596 struct device_attribute *attr,
597 char *buf)
598 {
599 struct hid_device *hdev = to_hid_device(dev);
600 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
601
602 return sysfs_emit(buf, "%u\n", cptkbd_data->sensitivity);
603 }
604
605 static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
606 struct device_attribute *attr,
607 const char *buf,
608 size_t count)
609 {
610 struct hid_device *hdev = to_hid_device(dev);
611 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
612 int value;
613
614 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
615 return -EINVAL;
616
617 cptkbd_data->sensitivity = value;
618 lenovo_features_set_cptkbd(hdev);
619
620 return count;
621 }
622
623 static ssize_t attr_middleclick_workaround_show_cptkbd(struct device *dev,
624 struct device_attribute *attr,
625 char *buf)
626 {
627 struct hid_device *hdev = to_hid_device(dev);
628 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
629
630 return sysfs_emit(buf, "%u\n",
631 cptkbd_data->middleclick_workaround_cptkbd);
632 }
633
634 static ssize_t attr_middleclick_workaround_store_cptkbd(struct device *dev,
635 struct device_attribute *attr,
636 const char *buf,
637 size_t count)
638 {
639 struct hid_device *hdev = to_hid_device(dev);
640 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
641 int value;
642
643 if (kstrtoint(buf, 10, &value))
644 return -EINVAL;
645 if (value < 0 || value > 1)
646 return -EINVAL;
647
648 cptkbd_data->middleclick_workaround_cptkbd = !!value;
649
650 return count;
651 }
652
653
654 static struct device_attribute dev_attr_fn_lock =
655 __ATTR(fn_lock, S_IWUSR | S_IRUGO,
656 attr_fn_lock_show,
657 attr_fn_lock_store);
658
659 static struct device_attribute dev_attr_sensitivity_cptkbd =
660 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
661 attr_sensitivity_show_cptkbd,
662 attr_sensitivity_store_cptkbd);
663
664 static struct device_attribute dev_attr_middleclick_workaround_cptkbd =
665 __ATTR(middleclick_workaround, S_IWUSR | S_IRUGO,
666 attr_middleclick_workaround_show_cptkbd,
667 attr_middleclick_workaround_store_cptkbd);
668
669
670 static struct attribute *lenovo_attributes_cptkbd[] = {
671 &dev_attr_fn_lock.attr,
672 &dev_attr_sensitivity_cptkbd.attr,
673 &dev_attr_middleclick_workaround_cptkbd.attr,
674 NULL
675 };
676
677 static const struct attribute_group lenovo_attr_group_cptkbd = {
678 .attrs = lenovo_attributes_cptkbd,
679 };
680
681 static int lenovo_raw_event(struct hid_device *hdev,
682 struct hid_report *report, u8 *data, int size)
683 {
684 /*
685 * Compact USB keyboard's Fn-F12 report holds down many other keys, and
686 * its own key is outside the usage page range. Remove extra
687 * keypresses and remap to inside usage page.
688 */
689 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
690 && size == 3
691 && data[0] == 0x15
692 && data[1] == 0x94
693 && data[2] == 0x01)) {
694 data[1] = 0x00;
695 data[2] = 0x01;
696 }
697
698 return 0;
699 }
700
701 static int lenovo_event_tp10ubkbd(struct hid_device *hdev,
702 struct hid_field *field, struct hid_usage *usage, __s32 value)
703 {
704 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
705
706 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
707 /*
708 * The user has toggled the Fn-lock state. Toggle our own
709 * cached value of it and sync our value to the keyboard to
710 * ensure things are in sync (the sycning should be a no-op).
711 */
712 data->fn_lock = !data->fn_lock;
713 schedule_work(&data->fn_lock_sync_work);
714 }
715
716 return 0;
717 }
718
719 static int lenovo_event_cptkbd(struct hid_device *hdev,
720 struct hid_field *field, struct hid_usage *usage, __s32 value)
721 {
722 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
723
724 if (cptkbd_data->middleclick_workaround_cptkbd) {
725 /* "wheel" scroll events */
726 if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
727 usage->code == REL_HWHEEL)) {
728 /* Scroll events disable middle-click event */
729 cptkbd_data->middlebutton_state = 2;
730 return 0;
731 }
732
733 /* Middle click events */
734 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) {
735 if (value == 1) {
736 cptkbd_data->middlebutton_state = 1;
737 } else if (value == 0) {
738 if (cptkbd_data->middlebutton_state == 1) {
739 /* No scrolling inbetween, send middle-click */
740 input_event(field->hidinput->input,
741 EV_KEY, BTN_MIDDLE, 1);
742 input_sync(field->hidinput->input);
743 input_event(field->hidinput->input,
744 EV_KEY, BTN_MIDDLE, 0);
745 input_sync(field->hidinput->input);
746 }
747 cptkbd_data->middlebutton_state = 0;
748 }
749 return 1;
750 }
751 }
752
753 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
754 /*
755 * The user has toggled the Fn-lock state. Toggle our own
756 * cached value of it and sync our value to the keyboard to
757 * ensure things are in sync (the syncing should be a no-op).
758 */
759 cptkbd_data->fn_lock = !cptkbd_data->fn_lock;
760 }
761
762 return 0;
763 }
764
765 static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
766 struct hid_usage *usage, __s32 value)
767 {
768 if (!hid_get_drvdata(hdev))
769 return 0;
770
771 switch (hdev->product) {
772 case USB_DEVICE_ID_LENOVO_CUSBKBD:
773 case USB_DEVICE_ID_LENOVO_CBTKBD:
774 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
775 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
776 return lenovo_event_cptkbd(hdev, field, usage, value);
777 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
778 case USB_DEVICE_ID_LENOVO_X1_TAB:
779 return lenovo_event_tp10ubkbd(hdev, field, usage, value);
780 default:
781 return 0;
782 }
783 }
784
785 static int lenovo_features_set_tpkbd(struct hid_device *hdev)
786 {
787 struct hid_report *report;
788 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
789
790 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
791
792 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
793 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
794 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
795 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
796 report->field[1]->value[0] = 0x03; // unknown setting, imitate windows driver
797 report->field[2]->value[0] = data_pointer->sensitivity;
798 report->field[3]->value[0] = data_pointer->press_speed;
799
800 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
801 return 0;
802 }
803
804 static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
805 struct device_attribute *attr,
806 char *buf)
807 {
808 struct hid_device *hdev = to_hid_device(dev);
809 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
810
811 return sysfs_emit(buf, "%u\n", data_pointer->press_to_select);
812 }
813
814 static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
815 struct device_attribute *attr,
816 const char *buf,
817 size_t count)
818 {
819 struct hid_device *hdev = to_hid_device(dev);
820 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
821 int value;
822
823 if (kstrtoint(buf, 10, &value))
824 return -EINVAL;
825 if (value < 0 || value > 1)
826 return -EINVAL;
827
828 data_pointer->press_to_select = value;
829 lenovo_features_set_tpkbd(hdev);
830
831 return count;
832 }
833
834 static ssize_t attr_dragging_show_tpkbd(struct device *dev,
835 struct device_attribute *attr,
836 char *buf)
837 {
838 struct hid_device *hdev = to_hid_device(dev);
839 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
840
841 return sysfs_emit(buf, "%u\n", data_pointer->dragging);
842 }
843
844 static ssize_t attr_dragging_store_tpkbd(struct device *dev,
845 struct device_attribute *attr,
846 const char *buf,
847 size_t count)
848 {
849 struct hid_device *hdev = to_hid_device(dev);
850 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
851 int value;
852
853 if (kstrtoint(buf, 10, &value))
854 return -EINVAL;
855 if (value < 0 || value > 1)
856 return -EINVAL;
857
858 data_pointer->dragging = value;
859 lenovo_features_set_tpkbd(hdev);
860
861 return count;
862 }
863
864 static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
865 struct device_attribute *attr,
866 char *buf)
867 {
868 struct hid_device *hdev = to_hid_device(dev);
869 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
870
871 return sysfs_emit(buf, "%u\n", data_pointer->release_to_select);
872 }
873
874 static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
875 struct device_attribute *attr,
876 const char *buf,
877 size_t count)
878 {
879 struct hid_device *hdev = to_hid_device(dev);
880 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
881 int value;
882
883 if (kstrtoint(buf, 10, &value))
884 return -EINVAL;
885 if (value < 0 || value > 1)
886 return -EINVAL;
887
888 data_pointer->release_to_select = value;
889 lenovo_features_set_tpkbd(hdev);
890
891 return count;
892 }
893
894 static ssize_t attr_select_right_show_tpkbd(struct device *dev,
895 struct device_attribute *attr,
896 char *buf)
897 {
898 struct hid_device *hdev = to_hid_device(dev);
899 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
900
901 return sysfs_emit(buf, "%u\n", data_pointer->select_right);
902 }
903
904 static ssize_t attr_select_right_store_tpkbd(struct device *dev,
905 struct device_attribute *attr,
906 const char *buf,
907 size_t count)
908 {
909 struct hid_device *hdev = to_hid_device(dev);
910 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
911 int value;
912
913 if (kstrtoint(buf, 10, &value))
914 return -EINVAL;
915 if (value < 0 || value > 1)
916 return -EINVAL;
917
918 data_pointer->select_right = value;
919 lenovo_features_set_tpkbd(hdev);
920
921 return count;
922 }
923
924 static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
925 struct device_attribute *attr,
926 char *buf)
927 {
928 struct hid_device *hdev = to_hid_device(dev);
929 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
930
931 return sysfs_emit(buf, "%u\n", data_pointer->sensitivity);
932 }
933
934 static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
935 struct device_attribute *attr,
936 const char *buf,
937 size_t count)
938 {
939 struct hid_device *hdev = to_hid_device(dev);
940 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
941 int value;
942
943 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
944 return -EINVAL;
945
946 data_pointer->sensitivity = value;
947 lenovo_features_set_tpkbd(hdev);
948
949 return count;
950 }
951
952 static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
953 struct device_attribute *attr,
954 char *buf)
955 {
956 struct hid_device *hdev = to_hid_device(dev);
957 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
958
959 return sysfs_emit(buf, "%u\n", data_pointer->press_speed);
960 }
961
962 static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
963 struct device_attribute *attr,
964 const char *buf,
965 size_t count)
966 {
967 struct hid_device *hdev = to_hid_device(dev);
968 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
969 int value;
970
971 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
972 return -EINVAL;
973
974 data_pointer->press_speed = value;
975 lenovo_features_set_tpkbd(hdev);
976
977 return count;
978 }
979
980 static struct device_attribute dev_attr_press_to_select_tpkbd =
981 __ATTR(press_to_select, S_IWUSR | S_IRUGO,
982 attr_press_to_select_show_tpkbd,
983 attr_press_to_select_store_tpkbd);
984
985 static struct device_attribute dev_attr_dragging_tpkbd =
986 __ATTR(dragging, S_IWUSR | S_IRUGO,
987 attr_dragging_show_tpkbd,
988 attr_dragging_store_tpkbd);
989
990 static struct device_attribute dev_attr_release_to_select_tpkbd =
991 __ATTR(release_to_select, S_IWUSR | S_IRUGO,
992 attr_release_to_select_show_tpkbd,
993 attr_release_to_select_store_tpkbd);
994
995 static struct device_attribute dev_attr_select_right_tpkbd =
996 __ATTR(select_right, S_IWUSR | S_IRUGO,
997 attr_select_right_show_tpkbd,
998 attr_select_right_store_tpkbd);
999
1000 static struct device_attribute dev_attr_sensitivity_tpkbd =
1001 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
1002 attr_sensitivity_show_tpkbd,
1003 attr_sensitivity_store_tpkbd);
1004
1005 static struct device_attribute dev_attr_press_speed_tpkbd =
1006 __ATTR(press_speed, S_IWUSR | S_IRUGO,
1007 attr_press_speed_show_tpkbd,
1008 attr_press_speed_store_tpkbd);
1009
1010 static struct attribute *lenovo_attributes_tpkbd[] = {
1011 &dev_attr_press_to_select_tpkbd.attr,
1012 &dev_attr_dragging_tpkbd.attr,
1013 &dev_attr_release_to_select_tpkbd.attr,
1014 &dev_attr_select_right_tpkbd.attr,
1015 &dev_attr_sensitivity_tpkbd.attr,
1016 &dev_attr_press_speed_tpkbd.attr,
1017 NULL
1018 };
1019
1020 static const struct attribute_group lenovo_attr_group_tpkbd = {
1021 .attrs = lenovo_attributes_tpkbd,
1022 };
1023
1024 static void lenovo_led_set_tpkbd(struct hid_device *hdev)
1025 {
1026 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
1027 struct hid_report *report;
1028
1029 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
1030 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
1031 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
1032 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
1033 }
1034
1035 static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
1036 enum led_brightness value)
1037 {
1038 struct device *dev = led_cdev->dev->parent;
1039 struct hid_device *hdev = to_hid_device(dev);
1040 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
1041 static const u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED };
1042 int led_nr = 0;
1043 int ret = 0;
1044
1045 if (led_cdev == &data_pointer->led_micmute)
1046 led_nr = 1;
1047
1048 if (value == LED_OFF)
1049 data_pointer->led_state &= ~(1 << led_nr);
1050 else
1051 data_pointer->led_state |= 1 << led_nr;
1052
1053 switch (hdev->product) {
1054 case USB_DEVICE_ID_LENOVO_TPKBD:
1055 lenovo_led_set_tpkbd(hdev);
1056 break;
1057 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
1058 case USB_DEVICE_ID_LENOVO_X1_TAB:
1059 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
1060 break;
1061 }
1062
1063 return ret;
1064 }
1065
1066 static int lenovo_register_leds(struct hid_device *hdev)
1067 {
1068 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
1069 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16;
1070 char *name_mute, *name_micm;
1071 int ret;
1072
1073 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
1074 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
1075 if (name_mute == NULL || name_micm == NULL) {
1076 hid_err(hdev, "Could not allocate memory for led data\n");
1077 return -ENOMEM;
1078 }
1079 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev));
1080 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev));
1081
1082 data->led_mute.name = name_mute;
1083 data->led_mute.default_trigger = "audio-mute";
1084 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set;
1085 data->led_mute.max_brightness = 1;
1086 data->led_mute.flags = LED_HW_PLUGGABLE;
1087 data->led_mute.dev = &hdev->dev;
1088 ret = led_classdev_register(&hdev->dev, &data->led_mute);
1089 if (ret < 0)
1090 return ret;
1091
1092 data->led_micmute.name = name_micm;
1093 data->led_micmute.default_trigger = "audio-micmute";
1094 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set;
1095 data->led_micmute.max_brightness = 1;
1096 data->led_micmute.flags = LED_HW_PLUGGABLE;
1097 data->led_micmute.dev = &hdev->dev;
1098 ret = led_classdev_register(&hdev->dev, &data->led_micmute);
1099 if (ret < 0) {
1100 led_classdev_unregister(&data->led_mute);
1101 return ret;
1102 }
1103
1104 return 0;
1105 }
1106
1107 static int lenovo_probe_tpkbd(struct hid_device *hdev)
1108 {
1109 struct lenovo_drvdata *data_pointer;
1110 int i, ret;
1111
1112 /*
1113 * Only register extra settings against subdevice where input_mapping
1114 * set drvdata to 1, i.e. the trackpoint.
1115 */
1116 if (!hid_get_drvdata(hdev))
1117 return 0;
1118
1119 hid_set_drvdata(hdev, NULL);
1120
1121 /* Validate required reports. */
1122 for (i = 0; i < 4; i++) {
1123 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
1124 return -ENODEV;
1125 }
1126 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
1127 return -ENODEV;
1128
1129 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
1130 if (ret)
1131 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
1132
1133 data_pointer = devm_kzalloc(&hdev->dev,
1134 sizeof(struct lenovo_drvdata),
1135 GFP_KERNEL);
1136 if (data_pointer == NULL) {
1137 hid_err(hdev, "Could not allocate memory for driver data\n");
1138 ret = -ENOMEM;
1139 goto err;
1140 }
1141
1142 // set same default values as windows driver
1143 data_pointer->sensitivity = 0xa0;
1144 data_pointer->press_speed = 0x38;
1145
1146 hid_set_drvdata(hdev, data_pointer);
1147
1148 ret = lenovo_register_leds(hdev);
1149 if (ret)
1150 goto err;
1151
1152 lenovo_features_set_tpkbd(hdev);
1153
1154 return 0;
1155 err:
1156 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
1157 return ret;
1158 }
1159
1160 static int lenovo_probe_cptkbd(struct hid_device *hdev)
1161 {
1162 int ret;
1163 struct lenovo_drvdata *cptkbd_data;
1164
1165 /* All the custom action happens on the USBMOUSE device for USB */
1166 if (((hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD) ||
1167 (hdev->product == USB_DEVICE_ID_LENOVO_TPIIUSBKBD)) &&
1168 hdev->type != HID_TYPE_USBMOUSE) {
1169 hid_dbg(hdev, "Ignoring keyboard half of device\n");
1170 return 0;
1171 }
1172
1173 cptkbd_data = devm_kzalloc(&hdev->dev,
1174 sizeof(*cptkbd_data),
1175 GFP_KERNEL);
1176 if (cptkbd_data == NULL) {
1177 hid_err(hdev, "can't alloc keyboard descriptor\n");
1178 return -ENOMEM;
1179 }
1180 hid_set_drvdata(hdev, cptkbd_data);
1181
1182 /* Set keyboard settings to known state */
1183 cptkbd_data->middlebutton_state = 0;
1184 cptkbd_data->fn_lock = true;
1185 cptkbd_data->sensitivity = 0x05;
1186 cptkbd_data->middleclick_workaround_cptkbd = true;
1187 lenovo_features_set_cptkbd(hdev);
1188
1189 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
1190 if (ret)
1191 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
1192
1193 return 0;
1194 }
1195
1196 static struct attribute *lenovo_attributes_tp10ubkbd[] = {
1197 &dev_attr_fn_lock.attr,
1198 NULL
1199 };
1200
1201 static const struct attribute_group lenovo_attr_group_tp10ubkbd = {
1202 .attrs = lenovo_attributes_tp10ubkbd,
1203 };
1204
1205 static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
1206 {
1207 struct hid_report_enum *rep_enum;
1208 struct lenovo_drvdata *data;
1209 struct hid_report *rep;
1210 bool found;
1211 int ret;
1212
1213 /*
1214 * The LEDs and the Fn-lock functionality use output report 9,
1215 * with an application of 0xffa0001, add the LEDs on the interface
1216 * with this output report.
1217 */
1218 found = false;
1219 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
1220 list_for_each_entry(rep, &rep_enum->report_list, list) {
1221 if (rep->application == 0xffa00001)
1222 found = true;
1223 }
1224 if (!found)
1225 return 0;
1226
1227 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL);
1228 if (!data)
1229 return -ENOMEM;
1230
1231 mutex_init(&data->led_report_mutex);
1232 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock);
1233 data->hdev = hdev;
1234
1235 hid_set_drvdata(hdev, data);
1236
1237 /*
1238 * The Thinkpad 10 ultrabook USB kbd dock's Fn-lock defaults to on.
1239 * We cannot read the state, only set it, so we force it to on here
1240 * (which should be a no-op) to make sure that our state matches the
1241 * keyboard's FN-lock state. This is the same as what Windows does.
1242 */
1243 data->fn_lock = true;
1244 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock);
1245
1246 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
1247 if (ret)
1248 return ret;
1249
1250 ret = lenovo_register_leds(hdev);
1251 if (ret)
1252 goto err;
1253
1254 return 0;
1255 err:
1256 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
1257 return ret;
1258 }
1259
1260 static int lenovo_probe(struct hid_device *hdev,
1261 const struct hid_device_id *id)
1262 {
1263 int ret;
1264
1265 ret = hid_parse(hdev);
1266 if (ret) {
1267 hid_err(hdev, "hid_parse failed\n");
1268 goto err;
1269 }
1270
1271 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1272 if (ret) {
1273 hid_err(hdev, "hid_hw_start failed\n");
1274 goto err;
1275 }
1276
1277 switch (hdev->product) {
1278 case USB_DEVICE_ID_LENOVO_TPKBD:
1279 ret = lenovo_probe_tpkbd(hdev);
1280 break;
1281 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1282 case USB_DEVICE_ID_LENOVO_CBTKBD:
1283 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
1284 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
1285 ret = lenovo_probe_cptkbd(hdev);
1286 break;
1287 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
1288 case USB_DEVICE_ID_LENOVO_X1_TAB:
1289 ret = lenovo_probe_tp10ubkbd(hdev);
1290 break;
1291 default:
1292 ret = 0;
1293 break;
1294 }
1295 if (ret)
1296 goto err_hid;
1297
1298 return 0;
1299 err_hid:
1300 hid_hw_stop(hdev);
1301 err:
1302 return ret;
1303 }
1304
1305 #ifdef CONFIG_PM
1306 static int lenovo_reset_resume(struct hid_device *hdev)
1307 {
1308 switch (hdev->product) {
1309 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1310 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
1311 if (hdev->type == HID_TYPE_USBMOUSE)
1312 lenovo_features_set_cptkbd(hdev);
1313
1314 break;
1315 default:
1316 break;
1317 }
1318
1319 return 0;
1320 }
1321 #endif
1322
1323 static void lenovo_remove_tpkbd(struct hid_device *hdev)
1324 {
1325 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
1326
1327 /*
1328 * Only the trackpoint half of the keyboard has drvdata and stuff that
1329 * needs unregistering.
1330 */
1331 if (data_pointer == NULL)
1332 return;
1333
1334 sysfs_remove_group(&hdev->dev.kobj,
1335 &lenovo_attr_group_tpkbd);
1336
1337 led_classdev_unregister(&data_pointer->led_micmute);
1338 led_classdev_unregister(&data_pointer->led_mute);
1339 }
1340
1341 static void lenovo_remove_cptkbd(struct hid_device *hdev)
1342 {
1343 sysfs_remove_group(&hdev->dev.kobj,
1344 &lenovo_attr_group_cptkbd);
1345 }
1346
1347 static void lenovo_remove_tp10ubkbd(struct hid_device *hdev)
1348 {
1349 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
1350
1351 if (data == NULL)
1352 return;
1353
1354 led_classdev_unregister(&data->led_micmute);
1355 led_classdev_unregister(&data->led_mute);
1356
1357 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
1358 cancel_work_sync(&data->fn_lock_sync_work);
1359 }
1360
1361 static void lenovo_remove(struct hid_device *hdev)
1362 {
1363 switch (hdev->product) {
1364 case USB_DEVICE_ID_LENOVO_TPKBD:
1365 lenovo_remove_tpkbd(hdev);
1366 break;
1367 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1368 case USB_DEVICE_ID_LENOVO_CBTKBD:
1369 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
1370 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
1371 lenovo_remove_cptkbd(hdev);
1372 break;
1373 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
1374 case USB_DEVICE_ID_LENOVO_X1_TAB:
1375 lenovo_remove_tp10ubkbd(hdev);
1376 break;
1377 }
1378
1379 hid_hw_stop(hdev);
1380 }
1381
1382 static int lenovo_input_configured(struct hid_device *hdev,
1383 struct hid_input *hi)
1384 {
1385 switch (hdev->product) {
1386 case USB_DEVICE_ID_LENOVO_TPKBD:
1387 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1388 case USB_DEVICE_ID_LENOVO_CBTKBD:
1389 case USB_DEVICE_ID_LENOVO_TPIIUSBKBD:
1390 case USB_DEVICE_ID_LENOVO_TPIIBTKBD:
1391 if (test_bit(EV_REL, hi->input->evbit)) {
1392 /* set only for trackpoint device */
1393 __set_bit(INPUT_PROP_POINTER, hi->input->propbit);
1394 __set_bit(INPUT_PROP_POINTING_STICK,
1395 hi->input->propbit);
1396 }
1397 break;
1398 }
1399
1400 return 0;
1401 }
1402
1403
1404 static const struct hid_device_id lenovo_devices[] = {
1405 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1406 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1407 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIUSBKBD) },
1408 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1409 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPIIBTKBD) },
1410 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1411 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) },
1412 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) },
1413 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) },
1414 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) },
1415 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
1416 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
1417 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) },
1418 /*
1419 * Note bind to the HID_GROUP_GENERIC group, so that we only bind to the keyboard
1420 * part, while letting hid-multitouch.c handle the touchpad and trackpoint.
1421 */
1422 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1423 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
1424 { }
1425 };
1426
1427 MODULE_DEVICE_TABLE(hid, lenovo_devices);
1428
1429 static struct hid_driver lenovo_driver = {
1430 .name = "lenovo",
1431 .id_table = lenovo_devices,
1432 .input_configured = lenovo_input_configured,
1433 .input_mapping = lenovo_input_mapping,
1434 .probe = lenovo_probe,
1435 .remove = lenovo_remove,
1436 .raw_event = lenovo_raw_event,
1437 .event = lenovo_event,
1438 .report_fixup = lenovo_report_fixup,
1439 #ifdef CONFIG_PM
1440 .reset_resume = lenovo_reset_resume,
1441 #endif
1442 };
1443 module_hid_driver(lenovo_driver);
1444
1445 MODULE_DESCRIPTION("HID driver for IBM/Lenovo");
1446 MODULE_LICENSE("GPL");
Linux Kernel