1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26#include <linux/module.h>
27#include <linux/sysfs.h>
28#include <linux/device.h>
29#include <linux/hid.h>
30#include <linux/input.h>
31#include <linux/leds.h>
32#include <linux/workqueue.h>
33
34#include "hid-ids.h"
35
36
37#define LENOVO_KEY_MICMUTE KEY_F20
38
39struct lenovo_drvdata {
40 u8 led_report[3];
41 int led_state;
42 struct mutex led_report_mutex;
43 struct led_classdev led_mute;
44 struct led_classdev led_micmute;
45 struct work_struct fn_lock_sync_work;
46 struct hid_device *hdev;
47 int press_to_select;
48 int dragging;
49 int release_to_select;
50 int select_right;
51 int sensitivity;
52 int press_speed;
53 u8 middlebutton_state;
54 bool fn_lock;
55};
56
57#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
58
59#define TP10UBKBD_LED_OUTPUT_REPORT 9
60
61#define TP10UBKBD_FN_LOCK_LED 0x54
62#define TP10UBKBD_MUTE_LED 0x64
63#define TP10UBKBD_MICMUTE_LED 0x74
64
65#define TP10UBKBD_LED_OFF 1
66#define TP10UBKBD_LED_ON 2
67
68static int lenovo_led_set_tp10ubkbd(struct hid_device *hdev, u8 led_code,
69 enum led_brightness value)
70{
71 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
72 int ret;
73
74 mutex_lock(&data->led_report_mutex);
75
76 data->led_report[0] = TP10UBKBD_LED_OUTPUT_REPORT;
77 data->led_report[1] = led_code;
78 data->led_report[2] = value ? TP10UBKBD_LED_ON : TP10UBKBD_LED_OFF;
79 ret = hid_hw_raw_request(hdev, data->led_report[0], data->led_report, 3,
80 HID_OUTPUT_REPORT, HID_REQ_SET_REPORT);
81 if (ret != 3) {
82 if (ret != -ENODEV)
83 hid_err(hdev, "Set LED output report error: %d\n", ret);
84
85 ret = ret < 0 ? ret : -EIO;
86 } else {
87 ret = 0;
88 }
89
90 mutex_unlock(&data->led_report_mutex);
91
92 return ret;
93}
94
95static void lenovo_tp10ubkbd_sync_fn_lock(struct work_struct *work)
96{
97 struct lenovo_drvdata *data =
98 container_of(work, struct lenovo_drvdata, fn_lock_sync_work);
99
100 lenovo_led_set_tp10ubkbd(data->hdev, TP10UBKBD_FN_LOCK_LED,
101 data->fn_lock);
102}
103
104static const __u8 lenovo_pro_dock_need_fixup_collection[] = {
105 0x05, 0x88,
106 0x09, 0x01,
107 0xa1, 0x01,
108 0x85, 0x04,
109 0x19, 0x00,
110 0x2a, 0xff, 0xff,
111};
112
113static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
114 unsigned int *rsize)
115{
116 switch (hdev->product) {
117 case USB_DEVICE_ID_LENOVO_TPPRODOCK:
118
119
120
121
122 if (*rsize >= 153 &&
123 memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection,
124 sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) {
125 rdesc[151] = 0x01;
126 rdesc[152] = 0x00;
127 }
128 break;
129 }
130 return rdesc;
131}
132
133static int lenovo_input_mapping_tpkbd(struct hid_device *hdev,
134 struct hid_input *hi, struct hid_field *field,
135 struct hid_usage *usage, unsigned long **bit, int *max)
136{
137 if (usage->hid == (HID_UP_BUTTON | 0x0010)) {
138
139 hid_set_drvdata(hdev, (void *)1);
140 map_key_clear(LENOVO_KEY_MICMUTE);
141 return 1;
142 }
143 return 0;
144}
145
146static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
147 struct hid_input *hi, struct hid_field *field,
148 struct hid_usage *usage, unsigned long **bit, int *max)
149{
150
151 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR ||
152 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
153 switch (usage->hid & HID_USAGE) {
154 case 0x00f1:
155 map_key_clear(LENOVO_KEY_MICMUTE);
156 return 1;
157 case 0x00f2:
158 map_key_clear(KEY_BRIGHTNESSDOWN);
159 return 1;
160 case 0x00f3:
161 map_key_clear(KEY_BRIGHTNESSUP);
162 return 1;
163 case 0x00f4:
164 map_key_clear(KEY_SWITCHVIDEOMODE);
165 return 1;
166 case 0x00f5:
167 map_key_clear(KEY_WLAN);
168 return 1;
169 case 0x00f6:
170 map_key_clear(KEY_CONFIG);
171 return 1;
172 case 0x00f8:
173 map_key_clear(KEY_SCALE);
174 return 1;
175 case 0x00f9:
176
177 map_key_clear(KEY_FILE);
178 return 1;
179 case 0x00fa:
180 map_key_clear(KEY_FN_ESC);
181 return 1;
182 case 0x00fb:
183 map_key_clear(BTN_MIDDLE);
184 return 1;
185 }
186 }
187
188
189 if (usage->hid == HID_GD_WHEEL)
190 return -1;
191 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
192 (usage->hid & HID_USAGE) == 0x003)
193 return -1;
194 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
195 (usage->hid & HID_USAGE) == 0x238)
196 return -1;
197
198
199 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
200 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
201 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
202 field->logical_minimum = -127;
203 field->logical_maximum = 127;
204
205 switch (usage->hid & HID_USAGE) {
206 case 0x0000:
207 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
208 return 1;
209 case 0x0001:
210 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
211 return 1;
212 default:
213 return -1;
214 }
215 }
216
217 return 0;
218}
219
220static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev,
221 struct hid_input *hi, struct hid_field *field,
222 struct hid_usage *usage, unsigned long **bit, int *max)
223{
224 if (usage->hid == HID_GD_Z) {
225 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
226 return 1;
227 }
228 return 0;
229}
230
231static int lenovo_input_mapping_tp10_ultrabook_kbd(struct hid_device *hdev,
232 struct hid_input *hi, struct hid_field *field,
233 struct hid_usage *usage, unsigned long **bit, int *max)
234{
235
236
237
238
239 if (usage->hid == 0x000c0001) {
240 switch (usage->usage_index) {
241 case 8:
242 map_key_clear(KEY_FN_ESC);
243 return 1;
244 case 9:
245 map_key_clear(LENOVO_KEY_MICMUTE);
246 return 1;
247 case 10:
248 map_key_clear(KEY_CONFIG);
249 return 1;
250 case 11:
251 map_key_clear(KEY_SEARCH);
252 return 1;
253 case 12:
254 map_key_clear(KEY_FILE);
255 return 1;
256 }
257 }
258
259
260
261
262
263 if (usage->hid == 0x00070072)
264 return -1;
265
266 return 0;
267}
268
269static int lenovo_input_mapping_x1_tab_kbd(struct hid_device *hdev,
270 struct hid_input *hi, struct hid_field *field,
271 struct hid_usage *usage, unsigned long **bit, int *max)
272{
273
274
275
276
277 if (usage->hid == 0x000c0001) {
278 switch (usage->usage_index) {
279 case 0:
280 map_key_clear(KEY_BLUETOOTH);
281 return 1;
282 case 1:
283 map_key_clear(KEY_KEYBOARD);
284 return 1;
285 case 2:
286 map_key_clear(KEY_MACRO1);
287 return 1;
288 case 3:
289 map_key_clear(KEY_SELECTIVE_SCREENSHOT);
290 return 1;
291 case 8:
292 map_key_clear(KEY_FN_ESC);
293 return 1;
294 case 9:
295 map_key_clear(KEY_MICMUTE);
296 return 1;
297 case 10:
298 map_key_clear(KEY_CONFIG);
299 return 1;
300 case 13:
301 map_key_clear(KEY_SWITCHVIDEOMODE);
302 return 1;
303 case 14:
304 map_key_clear(KEY_WLAN);
305 return 1;
306 }
307 }
308
309 if (usage->hid == (HID_UP_KEYBOARD | 0x009a)) {
310 map_key_clear(KEY_SYSRQ);
311 return 1;
312 }
313
314 return 0;
315}
316
317static int lenovo_input_mapping(struct hid_device *hdev,
318 struct hid_input *hi, struct hid_field *field,
319 struct hid_usage *usage, unsigned long **bit, int *max)
320{
321 switch (hdev->product) {
322 case USB_DEVICE_ID_LENOVO_TPKBD:
323 return lenovo_input_mapping_tpkbd(hdev, hi, field,
324 usage, bit, max);
325 case USB_DEVICE_ID_LENOVO_CUSBKBD:
326 case USB_DEVICE_ID_LENOVO_CBTKBD:
327 return lenovo_input_mapping_cptkbd(hdev, hi, field,
328 usage, bit, max);
329 case USB_DEVICE_ID_IBM_SCROLLPOINT_III:
330 case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO:
331 case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL:
332 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL:
333 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO:
334 case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL:
335 return lenovo_input_mapping_scrollpoint(hdev, hi, field,
336 usage, bit, max);
337 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
338 return lenovo_input_mapping_tp10_ultrabook_kbd(hdev, hi, field,
339 usage, bit, max);
340 case USB_DEVICE_ID_LENOVO_X1_TAB:
341 return lenovo_input_mapping_x1_tab_kbd(hdev, hi, field, usage, bit, max);
342 default:
343 return 0;
344 }
345}
346
347#undef map_key_clear
348
349
350static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
351 unsigned char byte2, unsigned char byte3)
352{
353 int ret;
354 unsigned char *buf;
355
356 buf = kzalloc(3, GFP_KERNEL);
357 if (!buf)
358 return -ENOMEM;
359
360 buf[0] = 0x18;
361 buf[1] = byte2;
362 buf[2] = byte3;
363
364 switch (hdev->product) {
365 case USB_DEVICE_ID_LENOVO_CUSBKBD:
366 ret = hid_hw_raw_request(hdev, 0x13, buf, 3,
367 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
368 break;
369 case USB_DEVICE_ID_LENOVO_CBTKBD:
370 ret = hid_hw_output_report(hdev, buf, 3);
371 break;
372 default:
373 ret = -EINVAL;
374 break;
375 }
376
377 kfree(buf);
378
379 return ret < 0 ? ret : 0;
380}
381
382static void lenovo_features_set_cptkbd(struct hid_device *hdev)
383{
384 int ret;
385 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
386
387 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
388 if (ret)
389 hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
390
391 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
392 if (ret)
393 hid_err(hdev, "Sensitivity setting failed: %d\n", ret);
394}
395
396static ssize_t attr_fn_lock_show(struct device *dev,
397 struct device_attribute *attr,
398 char *buf)
399{
400 struct hid_device *hdev = to_hid_device(dev);
401 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
402
403 return snprintf(buf, PAGE_SIZE, "%u\n", data->fn_lock);
404}
405
406static ssize_t attr_fn_lock_store(struct device *dev,
407 struct device_attribute *attr,
408 const char *buf,
409 size_t count)
410{
411 struct hid_device *hdev = to_hid_device(dev);
412 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
413 int value, ret;
414
415 if (kstrtoint(buf, 10, &value))
416 return -EINVAL;
417 if (value < 0 || value > 1)
418 return -EINVAL;
419
420 data->fn_lock = !!value;
421
422 switch (hdev->product) {
423 case USB_DEVICE_ID_LENOVO_CUSBKBD:
424 case USB_DEVICE_ID_LENOVO_CBTKBD:
425 lenovo_features_set_cptkbd(hdev);
426 break;
427 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
428 case USB_DEVICE_ID_LENOVO_X1_TAB:
429 ret = lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, value);
430 if (ret)
431 return ret;
432 break;
433 }
434
435 return count;
436}
437
438static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
439 struct device_attribute *attr,
440 char *buf)
441{
442 struct hid_device *hdev = to_hid_device(dev);
443 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
444
445 return snprintf(buf, PAGE_SIZE, "%u\n",
446 cptkbd_data->sensitivity);
447}
448
449static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
450 struct device_attribute *attr,
451 const char *buf,
452 size_t count)
453{
454 struct hid_device *hdev = to_hid_device(dev);
455 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
456 int value;
457
458 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
459 return -EINVAL;
460
461 cptkbd_data->sensitivity = value;
462 lenovo_features_set_cptkbd(hdev);
463
464 return count;
465}
466
467
468static struct device_attribute dev_attr_fn_lock =
469 __ATTR(fn_lock, S_IWUSR | S_IRUGO,
470 attr_fn_lock_show,
471 attr_fn_lock_store);
472
473static struct device_attribute dev_attr_sensitivity_cptkbd =
474 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
475 attr_sensitivity_show_cptkbd,
476 attr_sensitivity_store_cptkbd);
477
478
479static struct attribute *lenovo_attributes_cptkbd[] = {
480 &dev_attr_fn_lock.attr,
481 &dev_attr_sensitivity_cptkbd.attr,
482 NULL
483};
484
485static const struct attribute_group lenovo_attr_group_cptkbd = {
486 .attrs = lenovo_attributes_cptkbd,
487};
488
489static int lenovo_raw_event(struct hid_device *hdev,
490 struct hid_report *report, u8 *data, int size)
491{
492
493
494
495
496
497 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
498 && size == 3
499 && data[0] == 0x15
500 && data[1] == 0x94
501 && data[2] == 0x01)) {
502 data[1] = 0x00;
503 data[2] = 0x01;
504 }
505
506 return 0;
507}
508
509static int lenovo_event_tp10ubkbd(struct hid_device *hdev,
510 struct hid_field *field, struct hid_usage *usage, __s32 value)
511{
512 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
513
514 if (usage->type == EV_KEY && usage->code == KEY_FN_ESC && value == 1) {
515
516
517
518
519
520 data->fn_lock = !data->fn_lock;
521 schedule_work(&data->fn_lock_sync_work);
522 }
523
524 return 0;
525}
526
527static int lenovo_event_cptkbd(struct hid_device *hdev,
528 struct hid_field *field, struct hid_usage *usage, __s32 value)
529{
530 struct lenovo_drvdata *cptkbd_data = hid_get_drvdata(hdev);
531
532
533 if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
534 usage->code == REL_HWHEEL)) {
535
536 cptkbd_data->middlebutton_state = 2;
537 return 0;
538 }
539
540
541 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) {
542 if (value == 1) {
543 cptkbd_data->middlebutton_state = 1;
544 } else if (value == 0) {
545 if (cptkbd_data->middlebutton_state == 1) {
546
547 input_event(field->hidinput->input,
548 EV_KEY, BTN_MIDDLE, 1);
549 input_sync(field->hidinput->input);
550 input_event(field->hidinput->input,
551 EV_KEY, BTN_MIDDLE, 0);
552 input_sync(field->hidinput->input);
553 }
554 cptkbd_data->middlebutton_state = 0;
555 }
556 return 1;
557 }
558
559 return 0;
560}
561
562static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
563 struct hid_usage *usage, __s32 value)
564{
565 if (!hid_get_drvdata(hdev))
566 return 0;
567
568 switch (hdev->product) {
569 case USB_DEVICE_ID_LENOVO_CUSBKBD:
570 case USB_DEVICE_ID_LENOVO_CBTKBD:
571 return lenovo_event_cptkbd(hdev, field, usage, value);
572 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
573 case USB_DEVICE_ID_LENOVO_X1_TAB:
574 return lenovo_event_tp10ubkbd(hdev, field, usage, value);
575 default:
576 return 0;
577 }
578}
579
580static int lenovo_features_set_tpkbd(struct hid_device *hdev)
581{
582 struct hid_report *report;
583 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
584
585 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
586
587 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
588 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
589 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
590 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
591 report->field[1]->value[0] = 0x03;
592 report->field[2]->value[0] = data_pointer->sensitivity;
593 report->field[3]->value[0] = data_pointer->press_speed;
594
595 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
596 return 0;
597}
598
599static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
600 struct device_attribute *attr,
601 char *buf)
602{
603 struct hid_device *hdev = to_hid_device(dev);
604 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
605
606 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
607}
608
609static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
610 struct device_attribute *attr,
611 const char *buf,
612 size_t count)
613{
614 struct hid_device *hdev = to_hid_device(dev);
615 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
616 int value;
617
618 if (kstrtoint(buf, 10, &value))
619 return -EINVAL;
620 if (value < 0 || value > 1)
621 return -EINVAL;
622
623 data_pointer->press_to_select = value;
624 lenovo_features_set_tpkbd(hdev);
625
626 return count;
627}
628
629static ssize_t attr_dragging_show_tpkbd(struct device *dev,
630 struct device_attribute *attr,
631 char *buf)
632{
633 struct hid_device *hdev = to_hid_device(dev);
634 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
635
636 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
637}
638
639static ssize_t attr_dragging_store_tpkbd(struct device *dev,
640 struct device_attribute *attr,
641 const char *buf,
642 size_t count)
643{
644 struct hid_device *hdev = to_hid_device(dev);
645 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
646 int value;
647
648 if (kstrtoint(buf, 10, &value))
649 return -EINVAL;
650 if (value < 0 || value > 1)
651 return -EINVAL;
652
653 data_pointer->dragging = value;
654 lenovo_features_set_tpkbd(hdev);
655
656 return count;
657}
658
659static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
660 struct device_attribute *attr,
661 char *buf)
662{
663 struct hid_device *hdev = to_hid_device(dev);
664 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
665
666 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
667}
668
669static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
670 struct device_attribute *attr,
671 const char *buf,
672 size_t count)
673{
674 struct hid_device *hdev = to_hid_device(dev);
675 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
676 int value;
677
678 if (kstrtoint(buf, 10, &value))
679 return -EINVAL;
680 if (value < 0 || value > 1)
681 return -EINVAL;
682
683 data_pointer->release_to_select = value;
684 lenovo_features_set_tpkbd(hdev);
685
686 return count;
687}
688
689static ssize_t attr_select_right_show_tpkbd(struct device *dev,
690 struct device_attribute *attr,
691 char *buf)
692{
693 struct hid_device *hdev = to_hid_device(dev);
694 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
695
696 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
697}
698
699static ssize_t attr_select_right_store_tpkbd(struct device *dev,
700 struct device_attribute *attr,
701 const char *buf,
702 size_t count)
703{
704 struct hid_device *hdev = to_hid_device(dev);
705 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
706 int value;
707
708 if (kstrtoint(buf, 10, &value))
709 return -EINVAL;
710 if (value < 0 || value > 1)
711 return -EINVAL;
712
713 data_pointer->select_right = value;
714 lenovo_features_set_tpkbd(hdev);
715
716 return count;
717}
718
719static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
720 struct device_attribute *attr,
721 char *buf)
722{
723 struct hid_device *hdev = to_hid_device(dev);
724 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
725
726 return snprintf(buf, PAGE_SIZE, "%u\n",
727 data_pointer->sensitivity);
728}
729
730static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
731 struct device_attribute *attr,
732 const char *buf,
733 size_t count)
734{
735 struct hid_device *hdev = to_hid_device(dev);
736 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
737 int value;
738
739 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
740 return -EINVAL;
741
742 data_pointer->sensitivity = value;
743 lenovo_features_set_tpkbd(hdev);
744
745 return count;
746}
747
748static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
749 struct device_attribute *attr,
750 char *buf)
751{
752 struct hid_device *hdev = to_hid_device(dev);
753 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
754
755 return snprintf(buf, PAGE_SIZE, "%u\n",
756 data_pointer->press_speed);
757}
758
759static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
760 struct device_attribute *attr,
761 const char *buf,
762 size_t count)
763{
764 struct hid_device *hdev = to_hid_device(dev);
765 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
766 int value;
767
768 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
769 return -EINVAL;
770
771 data_pointer->press_speed = value;
772 lenovo_features_set_tpkbd(hdev);
773
774 return count;
775}
776
777static struct device_attribute dev_attr_press_to_select_tpkbd =
778 __ATTR(press_to_select, S_IWUSR | S_IRUGO,
779 attr_press_to_select_show_tpkbd,
780 attr_press_to_select_store_tpkbd);
781
782static struct device_attribute dev_attr_dragging_tpkbd =
783 __ATTR(dragging, S_IWUSR | S_IRUGO,
784 attr_dragging_show_tpkbd,
785 attr_dragging_store_tpkbd);
786
787static struct device_attribute dev_attr_release_to_select_tpkbd =
788 __ATTR(release_to_select, S_IWUSR | S_IRUGO,
789 attr_release_to_select_show_tpkbd,
790 attr_release_to_select_store_tpkbd);
791
792static struct device_attribute dev_attr_select_right_tpkbd =
793 __ATTR(select_right, S_IWUSR | S_IRUGO,
794 attr_select_right_show_tpkbd,
795 attr_select_right_store_tpkbd);
796
797static struct device_attribute dev_attr_sensitivity_tpkbd =
798 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
799 attr_sensitivity_show_tpkbd,
800 attr_sensitivity_store_tpkbd);
801
802static struct device_attribute dev_attr_press_speed_tpkbd =
803 __ATTR(press_speed, S_IWUSR | S_IRUGO,
804 attr_press_speed_show_tpkbd,
805 attr_press_speed_store_tpkbd);
806
807static struct attribute *lenovo_attributes_tpkbd[] = {
808 &dev_attr_press_to_select_tpkbd.attr,
809 &dev_attr_dragging_tpkbd.attr,
810 &dev_attr_release_to_select_tpkbd.attr,
811 &dev_attr_select_right_tpkbd.attr,
812 &dev_attr_sensitivity_tpkbd.attr,
813 &dev_attr_press_speed_tpkbd.attr,
814 NULL
815};
816
817static const struct attribute_group lenovo_attr_group_tpkbd = {
818 .attrs = lenovo_attributes_tpkbd,
819};
820
821static void lenovo_led_set_tpkbd(struct hid_device *hdev)
822{
823 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
824 struct hid_report *report;
825
826 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
827 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
828 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
829 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
830}
831
832static int lenovo_led_brightness_set(struct led_classdev *led_cdev,
833 enum led_brightness value)
834{
835 struct device *dev = led_cdev->dev->parent;
836 struct hid_device *hdev = to_hid_device(dev);
837 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
838 u8 tp10ubkbd_led[] = { TP10UBKBD_MUTE_LED, TP10UBKBD_MICMUTE_LED };
839 int led_nr = 0;
840 int ret = 0;
841
842 if (led_cdev == &data_pointer->led_micmute)
843 led_nr = 1;
844
845 if (value == LED_OFF)
846 data_pointer->led_state &= ~(1 << led_nr);
847 else
848 data_pointer->led_state |= 1 << led_nr;
849
850 switch (hdev->product) {
851 case USB_DEVICE_ID_LENOVO_TPKBD:
852 lenovo_led_set_tpkbd(hdev);
853 break;
854 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
855 case USB_DEVICE_ID_LENOVO_X1_TAB:
856 ret = lenovo_led_set_tp10ubkbd(hdev, tp10ubkbd_led[led_nr], value);
857 break;
858 }
859
860 return ret;
861}
862
863static int lenovo_register_leds(struct hid_device *hdev)
864{
865 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
866 size_t name_sz = strlen(dev_name(&hdev->dev)) + 16;
867 char *name_mute, *name_micm;
868 int ret;
869
870 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
871 name_micm = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
872 if (name_mute == NULL || name_micm == NULL) {
873 hid_err(hdev, "Could not allocate memory for led data\n");
874 return -ENOMEM;
875 }
876 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(&hdev->dev));
877 snprintf(name_micm, name_sz, "%s:amber:micmute", dev_name(&hdev->dev));
878
879 data->led_mute.name = name_mute;
880 data->led_mute.default_trigger = "audio-mute";
881 data->led_mute.brightness_set_blocking = lenovo_led_brightness_set;
882 data->led_mute.max_brightness = 1;
883 data->led_mute.flags = LED_HW_PLUGGABLE;
884 data->led_mute.dev = &hdev->dev;
885 ret = led_classdev_register(&hdev->dev, &data->led_mute);
886 if (ret < 0)
887 return ret;
888
889 data->led_micmute.name = name_micm;
890 data->led_micmute.default_trigger = "audio-micmute";
891 data->led_micmute.brightness_set_blocking = lenovo_led_brightness_set;
892 data->led_micmute.max_brightness = 1;
893 data->led_micmute.flags = LED_HW_PLUGGABLE;
894 data->led_micmute.dev = &hdev->dev;
895 ret = led_classdev_register(&hdev->dev, &data->led_micmute);
896 if (ret < 0) {
897 led_classdev_unregister(&data->led_mute);
898 return ret;
899 }
900
901 return 0;
902}
903
904static int lenovo_probe_tpkbd(struct hid_device *hdev)
905{
906 struct lenovo_drvdata *data_pointer;
907 int i, ret;
908
909
910
911
912
913 if (!hid_get_drvdata(hdev))
914 return 0;
915
916 hid_set_drvdata(hdev, NULL);
917
918
919 for (i = 0; i < 4; i++) {
920 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
921 return -ENODEV;
922 }
923 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
924 return -ENODEV;
925
926 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
927 if (ret)
928 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
929
930 data_pointer = devm_kzalloc(&hdev->dev,
931 sizeof(struct lenovo_drvdata),
932 GFP_KERNEL);
933 if (data_pointer == NULL) {
934 hid_err(hdev, "Could not allocate memory for driver data\n");
935 ret = -ENOMEM;
936 goto err;
937 }
938
939
940 data_pointer->sensitivity = 0xa0;
941 data_pointer->press_speed = 0x38;
942
943 hid_set_drvdata(hdev, data_pointer);
944
945 ret = lenovo_register_leds(hdev);
946 if (ret)
947 goto err;
948
949 lenovo_features_set_tpkbd(hdev);
950
951 return 0;
952err:
953 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
954 return ret;
955}
956
957static int lenovo_probe_cptkbd(struct hid_device *hdev)
958{
959 int ret;
960 struct lenovo_drvdata *cptkbd_data;
961
962
963 if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
964 && hdev->type != HID_TYPE_USBMOUSE) {
965 hid_dbg(hdev, "Ignoring keyboard half of device\n");
966 return 0;
967 }
968
969 cptkbd_data = devm_kzalloc(&hdev->dev,
970 sizeof(*cptkbd_data),
971 GFP_KERNEL);
972 if (cptkbd_data == NULL) {
973 hid_err(hdev, "can't alloc keyboard descriptor\n");
974 return -ENOMEM;
975 }
976 hid_set_drvdata(hdev, cptkbd_data);
977
978
979
980
981
982 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
983 if (ret)
984 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
985
986
987 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
988 if (ret)
989 hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
990
991
992 cptkbd_data->middlebutton_state = 0;
993 cptkbd_data->fn_lock = true;
994 cptkbd_data->sensitivity = 0x05;
995 lenovo_features_set_cptkbd(hdev);
996
997 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
998 if (ret)
999 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
1000
1001 return 0;
1002}
1003
1004static struct attribute *lenovo_attributes_tp10ubkbd[] = {
1005 &dev_attr_fn_lock.attr,
1006 NULL
1007};
1008
1009static const struct attribute_group lenovo_attr_group_tp10ubkbd = {
1010 .attrs = lenovo_attributes_tp10ubkbd,
1011};
1012
1013static int lenovo_probe_tp10ubkbd(struct hid_device *hdev)
1014{
1015 struct hid_report_enum *rep_enum;
1016 struct lenovo_drvdata *data;
1017 struct hid_report *rep;
1018 bool found;
1019 int ret;
1020
1021
1022
1023
1024
1025
1026 found = false;
1027 rep_enum = &hdev->report_enum[HID_OUTPUT_REPORT];
1028 list_for_each_entry(rep, &rep_enum->report_list, list) {
1029 if (rep->application == 0xffa00001)
1030 found = true;
1031 }
1032 if (!found)
1033 return 0;
1034
1035 data = devm_kzalloc(&hdev->dev, sizeof(*data), GFP_KERNEL);
1036 if (!data)
1037 return -ENOMEM;
1038
1039 mutex_init(&data->led_report_mutex);
1040 INIT_WORK(&data->fn_lock_sync_work, lenovo_tp10ubkbd_sync_fn_lock);
1041 data->hdev = hdev;
1042
1043 hid_set_drvdata(hdev, data);
1044
1045
1046
1047
1048
1049
1050
1051 data->fn_lock = true;
1052 lenovo_led_set_tp10ubkbd(hdev, TP10UBKBD_FN_LOCK_LED, data->fn_lock);
1053
1054 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
1055 if (ret)
1056 return ret;
1057
1058 ret = lenovo_register_leds(hdev);
1059 if (ret)
1060 goto err;
1061
1062 return 0;
1063err:
1064 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
1065 return ret;
1066}
1067
1068static int lenovo_probe(struct hid_device *hdev,
1069 const struct hid_device_id *id)
1070{
1071 int ret;
1072
1073 ret = hid_parse(hdev);
1074 if (ret) {
1075 hid_err(hdev, "hid_parse failed\n");
1076 goto err;
1077 }
1078
1079 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1080 if (ret) {
1081 hid_err(hdev, "hid_hw_start failed\n");
1082 goto err;
1083 }
1084
1085 switch (hdev->product) {
1086 case USB_DEVICE_ID_LENOVO_TPKBD:
1087 ret = lenovo_probe_tpkbd(hdev);
1088 break;
1089 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1090 case USB_DEVICE_ID_LENOVO_CBTKBD:
1091 ret = lenovo_probe_cptkbd(hdev);
1092 break;
1093 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
1094 case USB_DEVICE_ID_LENOVO_X1_TAB:
1095 ret = lenovo_probe_tp10ubkbd(hdev);
1096 break;
1097 default:
1098 ret = 0;
1099 break;
1100 }
1101 if (ret)
1102 goto err_hid;
1103
1104 return 0;
1105err_hid:
1106 hid_hw_stop(hdev);
1107err:
1108 return ret;
1109}
1110
1111static void lenovo_remove_tpkbd(struct hid_device *hdev)
1112{
1113 struct lenovo_drvdata *data_pointer = hid_get_drvdata(hdev);
1114
1115
1116
1117
1118
1119 if (data_pointer == NULL)
1120 return;
1121
1122 sysfs_remove_group(&hdev->dev.kobj,
1123 &lenovo_attr_group_tpkbd);
1124
1125 led_classdev_unregister(&data_pointer->led_micmute);
1126 led_classdev_unregister(&data_pointer->led_mute);
1127}
1128
1129static void lenovo_remove_cptkbd(struct hid_device *hdev)
1130{
1131 sysfs_remove_group(&hdev->dev.kobj,
1132 &lenovo_attr_group_cptkbd);
1133}
1134
1135static void lenovo_remove_tp10ubkbd(struct hid_device *hdev)
1136{
1137 struct lenovo_drvdata *data = hid_get_drvdata(hdev);
1138
1139 if (data == NULL)
1140 return;
1141
1142 led_classdev_unregister(&data->led_micmute);
1143 led_classdev_unregister(&data->led_mute);
1144
1145 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tp10ubkbd);
1146 cancel_work_sync(&data->fn_lock_sync_work);
1147}
1148
1149static void lenovo_remove(struct hid_device *hdev)
1150{
1151 switch (hdev->product) {
1152 case USB_DEVICE_ID_LENOVO_TPKBD:
1153 lenovo_remove_tpkbd(hdev);
1154 break;
1155 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1156 case USB_DEVICE_ID_LENOVO_CBTKBD:
1157 lenovo_remove_cptkbd(hdev);
1158 break;
1159 case USB_DEVICE_ID_LENOVO_TP10UBKBD:
1160 case USB_DEVICE_ID_LENOVO_X1_TAB:
1161 lenovo_remove_tp10ubkbd(hdev);
1162 break;
1163 }
1164
1165 hid_hw_stop(hdev);
1166}
1167
1168static int lenovo_input_configured(struct hid_device *hdev,
1169 struct hid_input *hi)
1170{
1171 switch (hdev->product) {
1172 case USB_DEVICE_ID_LENOVO_TPKBD:
1173 case USB_DEVICE_ID_LENOVO_CUSBKBD:
1174 case USB_DEVICE_ID_LENOVO_CBTKBD:
1175 if (test_bit(EV_REL, hi->input->evbit)) {
1176
1177 __set_bit(INPUT_PROP_POINTER, hi->input->propbit);
1178 __set_bit(INPUT_PROP_POINTING_STICK,
1179 hi->input->propbit);
1180 }
1181 break;
1182 }
1183
1184 return 0;
1185}
1186
1187
1188static const struct hid_device_id lenovo_devices[] = {
1189 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1190 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1191 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1192 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1193 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) },
1194 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) },
1195 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) },
1196 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) },
1197 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
1198 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
1199 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TP10UBKBD) },
1200
1201
1202
1203
1204 { HID_DEVICE(BUS_USB, HID_GROUP_GENERIC,
1205 USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_TAB) },
1206 { }
1207};
1208
1209MODULE_DEVICE_TABLE(hid, lenovo_devices);
1210
1211static struct hid_driver lenovo_driver = {
1212 .name = "lenovo",
1213 .id_table = lenovo_devices,
1214 .input_configured = lenovo_input_configured,
1215 .input_mapping = lenovo_input_mapping,
1216 .probe = lenovo_probe,
1217 .remove = lenovo_remove,
1218 .raw_event = lenovo_raw_event,
1219 .event = lenovo_event,
1220 .report_fixup = lenovo_report_fixup,
1221};
1222module_hid_driver(lenovo_driver);
1223
1224MODULE_LICENSE("GPL");
1225
