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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
33#include "hid-ids.h"
34
35struct lenovo_drvdata_tpkbd {
36 int led_state;
37 struct led_classdev led_mute;
38 struct led_classdev led_micmute;
39 int press_to_select;
40 int dragging;
41 int release_to_select;
42 int select_right;
43 int sensitivity;
44 int press_speed;
45};
46
47struct lenovo_drvdata_cptkbd {
48 u8 middlebutton_state;
49 bool fn_lock;
50 int sensitivity;
51};
52
53#define map_key_clear(c) hid_map_usage_clear(hi, usage, bit, max, EV_KEY, (c))
54
55static const __u8 lenovo_pro_dock_need_fixup_collection[] = {
56 0x05, 0x88,
57 0x09, 0x01,
58 0xa1, 0x01,
59 0x85, 0x04,
60 0x19, 0x00,
61 0x2a, 0xff, 0xff,
62};
63
64static __u8 *lenovo_report_fixup(struct hid_device *hdev, __u8 *rdesc,
65 unsigned int *rsize)
66{
67 switch (hdev->product) {
68 case USB_DEVICE_ID_LENOVO_TPPRODOCK:
69
70
71
72
73 if (*rsize >= 153 &&
74 memcmp(&rdesc[140], lenovo_pro_dock_need_fixup_collection,
75 sizeof(lenovo_pro_dock_need_fixup_collection)) == 0) {
76 rdesc[151] = 0x01;
77 rdesc[152] = 0x00;
78 }
79 break;
80 }
81 return rdesc;
82}
83
84static int lenovo_input_mapping_tpkbd(struct hid_device *hdev,
85 struct hid_input *hi, struct hid_field *field,
86 struct hid_usage *usage, unsigned long **bit, int *max)
87{
88 if (usage->hid == (HID_UP_BUTTON | 0x0010)) {
89
90 hid_set_drvdata(hdev, (void *)1);
91 map_key_clear(KEY_MICMUTE);
92 return 1;
93 }
94 return 0;
95}
96
97static int lenovo_input_mapping_cptkbd(struct hid_device *hdev,
98 struct hid_input *hi, struct hid_field *field,
99 struct hid_usage *usage, unsigned long **bit, int *max)
100{
101
102 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_MSVENDOR ||
103 (usage->hid & HID_USAGE_PAGE) == HID_UP_LNVENDOR) {
104 switch (usage->hid & HID_USAGE) {
105 case 0x00f1:
106 map_key_clear(KEY_MICMUTE);
107 return 1;
108 case 0x00f2:
109 map_key_clear(KEY_BRIGHTNESSDOWN);
110 return 1;
111 case 0x00f3:
112 map_key_clear(KEY_BRIGHTNESSUP);
113 return 1;
114 case 0x00f4:
115 map_key_clear(KEY_SWITCHVIDEOMODE);
116 return 1;
117 case 0x00f5:
118 map_key_clear(KEY_WLAN);
119 return 1;
120 case 0x00f6:
121 map_key_clear(KEY_CONFIG);
122 return 1;
123 case 0x00f8:
124 map_key_clear(KEY_SCALE);
125 return 1;
126 case 0x00f9:
127
128 map_key_clear(KEY_FILE);
129 return 1;
130 case 0x00fa:
131 map_key_clear(KEY_FN_ESC);
132 return 1;
133 case 0x00fb:
134 map_key_clear(BTN_MIDDLE);
135 return 1;
136 }
137 }
138
139
140 if (usage->hid == HID_GD_WHEEL)
141 return -1;
142 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON &&
143 (usage->hid & HID_USAGE) == 0x003)
144 return -1;
145 if ((usage->hid & HID_USAGE_PAGE) == HID_UP_CONSUMER &&
146 (usage->hid & HID_USAGE) == 0x238)
147 return -1;
148
149
150 if ((usage->hid & HID_USAGE_PAGE) == 0xff100000 ||
151 (usage->hid & HID_USAGE_PAGE) == 0xffa10000) {
152 field->flags |= HID_MAIN_ITEM_RELATIVE | HID_MAIN_ITEM_VARIABLE;
153 field->logical_minimum = -127;
154 field->logical_maximum = 127;
155
156 switch (usage->hid & HID_USAGE) {
157 case 0x0000:
158 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
159 return 1;
160 case 0x0001:
161 hid_map_usage(hi, usage, bit, max, EV_REL, REL_WHEEL);
162 return 1;
163 default:
164 return -1;
165 }
166 }
167
168 return 0;
169}
170
171static int lenovo_input_mapping_scrollpoint(struct hid_device *hdev,
172 struct hid_input *hi, struct hid_field *field,
173 struct hid_usage *usage, unsigned long **bit, int *max)
174{
175 if (usage->hid == HID_GD_Z) {
176 hid_map_usage(hi, usage, bit, max, EV_REL, REL_HWHEEL);
177 return 1;
178 }
179 return 0;
180}
181
182static int lenovo_input_mapping(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 switch (hdev->product) {
187 case USB_DEVICE_ID_LENOVO_TPKBD:
188 return lenovo_input_mapping_tpkbd(hdev, hi, field,
189 usage, bit, max);
190 case USB_DEVICE_ID_LENOVO_CUSBKBD:
191 case USB_DEVICE_ID_LENOVO_CBTKBD:
192 return lenovo_input_mapping_cptkbd(hdev, hi, field,
193 usage, bit, max);
194 case USB_DEVICE_ID_IBM_SCROLLPOINT_III:
195 case USB_DEVICE_ID_IBM_SCROLLPOINT_PRO:
196 case USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL:
197 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL:
198 case USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO:
199 case USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL:
200 return lenovo_input_mapping_scrollpoint(hdev, hi, field,
201 usage, bit, max);
202 default:
203 return 0;
204 }
205}
206
207#undef map_key_clear
208
209
210static int lenovo_send_cmd_cptkbd(struct hid_device *hdev,
211 unsigned char byte2, unsigned char byte3)
212{
213 int ret;
214 unsigned char *buf;
215
216 buf = kzalloc(3, GFP_KERNEL);
217 if (!buf)
218 return -ENOMEM;
219
220 buf[0] = 0x18;
221 buf[1] = byte2;
222 buf[2] = byte3;
223
224 switch (hdev->product) {
225 case USB_DEVICE_ID_LENOVO_CUSBKBD:
226 ret = hid_hw_raw_request(hdev, 0x13, buf, 3,
227 HID_FEATURE_REPORT, HID_REQ_SET_REPORT);
228 break;
229 case USB_DEVICE_ID_LENOVO_CBTKBD:
230 ret = hid_hw_output_report(hdev, buf, 3);
231 break;
232 default:
233 ret = -EINVAL;
234 break;
235 }
236
237 kfree(buf);
238
239 return ret < 0 ? ret : 0;
240}
241
242static void lenovo_features_set_cptkbd(struct hid_device *hdev)
243{
244 int ret;
245 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
246
247 ret = lenovo_send_cmd_cptkbd(hdev, 0x05, cptkbd_data->fn_lock);
248 if (ret)
249 hid_err(hdev, "Fn-lock setting failed: %d\n", ret);
250
251 ret = lenovo_send_cmd_cptkbd(hdev, 0x02, cptkbd_data->sensitivity);
252 if (ret)
253 hid_err(hdev, "Sensitivity setting failed: %d\n", ret);
254}
255
256static ssize_t attr_fn_lock_show_cptkbd(struct device *dev,
257 struct device_attribute *attr,
258 char *buf)
259{
260 struct hid_device *hdev = to_hid_device(dev);
261 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
262
263 return snprintf(buf, PAGE_SIZE, "%u\n", cptkbd_data->fn_lock);
264}
265
266static ssize_t attr_fn_lock_store_cptkbd(struct device *dev,
267 struct device_attribute *attr,
268 const char *buf,
269 size_t count)
270{
271 struct hid_device *hdev = to_hid_device(dev);
272 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
273 int value;
274
275 if (kstrtoint(buf, 10, &value))
276 return -EINVAL;
277 if (value < 0 || value > 1)
278 return -EINVAL;
279
280 cptkbd_data->fn_lock = !!value;
281 lenovo_features_set_cptkbd(hdev);
282
283 return count;
284}
285
286static ssize_t attr_sensitivity_show_cptkbd(struct device *dev,
287 struct device_attribute *attr,
288 char *buf)
289{
290 struct hid_device *hdev = to_hid_device(dev);
291 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
292
293 return snprintf(buf, PAGE_SIZE, "%u\n",
294 cptkbd_data->sensitivity);
295}
296
297static ssize_t attr_sensitivity_store_cptkbd(struct device *dev,
298 struct device_attribute *attr,
299 const char *buf,
300 size_t count)
301{
302 struct hid_device *hdev = to_hid_device(dev);
303 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
304 int value;
305
306 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
307 return -EINVAL;
308
309 cptkbd_data->sensitivity = value;
310 lenovo_features_set_cptkbd(hdev);
311
312 return count;
313}
314
315
316static struct device_attribute dev_attr_fn_lock_cptkbd =
317 __ATTR(fn_lock, S_IWUSR | S_IRUGO,
318 attr_fn_lock_show_cptkbd,
319 attr_fn_lock_store_cptkbd);
320
321static struct device_attribute dev_attr_sensitivity_cptkbd =
322 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
323 attr_sensitivity_show_cptkbd,
324 attr_sensitivity_store_cptkbd);
325
326
327static struct attribute *lenovo_attributes_cptkbd[] = {
328 &dev_attr_fn_lock_cptkbd.attr,
329 &dev_attr_sensitivity_cptkbd.attr,
330 NULL
331};
332
333static const struct attribute_group lenovo_attr_group_cptkbd = {
334 .attrs = lenovo_attributes_cptkbd,
335};
336
337static int lenovo_raw_event(struct hid_device *hdev,
338 struct hid_report *report, u8 *data, int size)
339{
340
341
342
343
344
345 if (unlikely(hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
346 && size == 3
347 && data[0] == 0x15
348 && data[1] == 0x94
349 && data[2] == 0x01)) {
350 data[1] = 0x00;
351 data[2] = 0x01;
352 }
353
354 return 0;
355}
356
357static int lenovo_event_cptkbd(struct hid_device *hdev,
358 struct hid_field *field, struct hid_usage *usage, __s32 value)
359{
360 struct lenovo_drvdata_cptkbd *cptkbd_data = hid_get_drvdata(hdev);
361
362
363 if (usage->type == EV_REL && (usage->code == REL_WHEEL ||
364 usage->code == REL_HWHEEL)) {
365
366 cptkbd_data->middlebutton_state = 2;
367 return 0;
368 }
369
370
371 if (usage->type == EV_KEY && usage->code == BTN_MIDDLE) {
372 if (value == 1) {
373 cptkbd_data->middlebutton_state = 1;
374 } else if (value == 0) {
375 if (cptkbd_data->middlebutton_state == 1) {
376
377 input_event(field->hidinput->input,
378 EV_KEY, BTN_MIDDLE, 1);
379 input_sync(field->hidinput->input);
380 input_event(field->hidinput->input,
381 EV_KEY, BTN_MIDDLE, 0);
382 input_sync(field->hidinput->input);
383 }
384 cptkbd_data->middlebutton_state = 0;
385 }
386 return 1;
387 }
388
389 return 0;
390}
391
392static int lenovo_event(struct hid_device *hdev, struct hid_field *field,
393 struct hid_usage *usage, __s32 value)
394{
395 switch (hdev->product) {
396 case USB_DEVICE_ID_LENOVO_CUSBKBD:
397 case USB_DEVICE_ID_LENOVO_CBTKBD:
398 return lenovo_event_cptkbd(hdev, field, usage, value);
399 default:
400 return 0;
401 }
402}
403
404static int lenovo_features_set_tpkbd(struct hid_device *hdev)
405{
406 struct hid_report *report;
407 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
408
409 report = hdev->report_enum[HID_FEATURE_REPORT].report_id_hash[4];
410
411 report->field[0]->value[0] = data_pointer->press_to_select ? 0x01 : 0x02;
412 report->field[0]->value[0] |= data_pointer->dragging ? 0x04 : 0x08;
413 report->field[0]->value[0] |= data_pointer->release_to_select ? 0x10 : 0x20;
414 report->field[0]->value[0] |= data_pointer->select_right ? 0x80 : 0x40;
415 report->field[1]->value[0] = 0x03;
416 report->field[2]->value[0] = data_pointer->sensitivity;
417 report->field[3]->value[0] = data_pointer->press_speed;
418
419 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
420 return 0;
421}
422
423static ssize_t attr_press_to_select_show_tpkbd(struct device *dev,
424 struct device_attribute *attr,
425 char *buf)
426{
427 struct hid_device *hdev = to_hid_device(dev);
428 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
429
430 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->press_to_select);
431}
432
433static ssize_t attr_press_to_select_store_tpkbd(struct device *dev,
434 struct device_attribute *attr,
435 const char *buf,
436 size_t count)
437{
438 struct hid_device *hdev = to_hid_device(dev);
439 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
440 int value;
441
442 if (kstrtoint(buf, 10, &value))
443 return -EINVAL;
444 if (value < 0 || value > 1)
445 return -EINVAL;
446
447 data_pointer->press_to_select = value;
448 lenovo_features_set_tpkbd(hdev);
449
450 return count;
451}
452
453static ssize_t attr_dragging_show_tpkbd(struct device *dev,
454 struct device_attribute *attr,
455 char *buf)
456{
457 struct hid_device *hdev = to_hid_device(dev);
458 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
459
460 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->dragging);
461}
462
463static ssize_t attr_dragging_store_tpkbd(struct device *dev,
464 struct device_attribute *attr,
465 const char *buf,
466 size_t count)
467{
468 struct hid_device *hdev = to_hid_device(dev);
469 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
470 int value;
471
472 if (kstrtoint(buf, 10, &value))
473 return -EINVAL;
474 if (value < 0 || value > 1)
475 return -EINVAL;
476
477 data_pointer->dragging = value;
478 lenovo_features_set_tpkbd(hdev);
479
480 return count;
481}
482
483static ssize_t attr_release_to_select_show_tpkbd(struct device *dev,
484 struct device_attribute *attr,
485 char *buf)
486{
487 struct hid_device *hdev = to_hid_device(dev);
488 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
489
490 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->release_to_select);
491}
492
493static ssize_t attr_release_to_select_store_tpkbd(struct device *dev,
494 struct device_attribute *attr,
495 const char *buf,
496 size_t count)
497{
498 struct hid_device *hdev = to_hid_device(dev);
499 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
500 int value;
501
502 if (kstrtoint(buf, 10, &value))
503 return -EINVAL;
504 if (value < 0 || value > 1)
505 return -EINVAL;
506
507 data_pointer->release_to_select = value;
508 lenovo_features_set_tpkbd(hdev);
509
510 return count;
511}
512
513static ssize_t attr_select_right_show_tpkbd(struct device *dev,
514 struct device_attribute *attr,
515 char *buf)
516{
517 struct hid_device *hdev = to_hid_device(dev);
518 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
519
520 return snprintf(buf, PAGE_SIZE, "%u\n", data_pointer->select_right);
521}
522
523static ssize_t attr_select_right_store_tpkbd(struct device *dev,
524 struct device_attribute *attr,
525 const char *buf,
526 size_t count)
527{
528 struct hid_device *hdev = to_hid_device(dev);
529 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
530 int value;
531
532 if (kstrtoint(buf, 10, &value))
533 return -EINVAL;
534 if (value < 0 || value > 1)
535 return -EINVAL;
536
537 data_pointer->select_right = value;
538 lenovo_features_set_tpkbd(hdev);
539
540 return count;
541}
542
543static ssize_t attr_sensitivity_show_tpkbd(struct device *dev,
544 struct device_attribute *attr,
545 char *buf)
546{
547 struct hid_device *hdev = to_hid_device(dev);
548 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
549
550 return snprintf(buf, PAGE_SIZE, "%u\n",
551 data_pointer->sensitivity);
552}
553
554static ssize_t attr_sensitivity_store_tpkbd(struct device *dev,
555 struct device_attribute *attr,
556 const char *buf,
557 size_t count)
558{
559 struct hid_device *hdev = to_hid_device(dev);
560 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
561 int value;
562
563 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
564 return -EINVAL;
565
566 data_pointer->sensitivity = value;
567 lenovo_features_set_tpkbd(hdev);
568
569 return count;
570}
571
572static ssize_t attr_press_speed_show_tpkbd(struct device *dev,
573 struct device_attribute *attr,
574 char *buf)
575{
576 struct hid_device *hdev = to_hid_device(dev);
577 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
578
579 return snprintf(buf, PAGE_SIZE, "%u\n",
580 data_pointer->press_speed);
581}
582
583static ssize_t attr_press_speed_store_tpkbd(struct device *dev,
584 struct device_attribute *attr,
585 const char *buf,
586 size_t count)
587{
588 struct hid_device *hdev = to_hid_device(dev);
589 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
590 int value;
591
592 if (kstrtoint(buf, 10, &value) || value < 1 || value > 255)
593 return -EINVAL;
594
595 data_pointer->press_speed = value;
596 lenovo_features_set_tpkbd(hdev);
597
598 return count;
599}
600
601static struct device_attribute dev_attr_press_to_select_tpkbd =
602 __ATTR(press_to_select, S_IWUSR | S_IRUGO,
603 attr_press_to_select_show_tpkbd,
604 attr_press_to_select_store_tpkbd);
605
606static struct device_attribute dev_attr_dragging_tpkbd =
607 __ATTR(dragging, S_IWUSR | S_IRUGO,
608 attr_dragging_show_tpkbd,
609 attr_dragging_store_tpkbd);
610
611static struct device_attribute dev_attr_release_to_select_tpkbd =
612 __ATTR(release_to_select, S_IWUSR | S_IRUGO,
613 attr_release_to_select_show_tpkbd,
614 attr_release_to_select_store_tpkbd);
615
616static struct device_attribute dev_attr_select_right_tpkbd =
617 __ATTR(select_right, S_IWUSR | S_IRUGO,
618 attr_select_right_show_tpkbd,
619 attr_select_right_store_tpkbd);
620
621static struct device_attribute dev_attr_sensitivity_tpkbd =
622 __ATTR(sensitivity, S_IWUSR | S_IRUGO,
623 attr_sensitivity_show_tpkbd,
624 attr_sensitivity_store_tpkbd);
625
626static struct device_attribute dev_attr_press_speed_tpkbd =
627 __ATTR(press_speed, S_IWUSR | S_IRUGO,
628 attr_press_speed_show_tpkbd,
629 attr_press_speed_store_tpkbd);
630
631static struct attribute *lenovo_attributes_tpkbd[] = {
632 &dev_attr_press_to_select_tpkbd.attr,
633 &dev_attr_dragging_tpkbd.attr,
634 &dev_attr_release_to_select_tpkbd.attr,
635 &dev_attr_select_right_tpkbd.attr,
636 &dev_attr_sensitivity_tpkbd.attr,
637 &dev_attr_press_speed_tpkbd.attr,
638 NULL
639};
640
641static const struct attribute_group lenovo_attr_group_tpkbd = {
642 .attrs = lenovo_attributes_tpkbd,
643};
644
645static enum led_brightness lenovo_led_brightness_get_tpkbd(
646 struct led_classdev *led_cdev)
647{
648 struct device *dev = led_cdev->dev->parent;
649 struct hid_device *hdev = to_hid_device(dev);
650 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
651 int led_nr = 0;
652
653 if (led_cdev == &data_pointer->led_micmute)
654 led_nr = 1;
655
656 return data_pointer->led_state & (1 << led_nr)
657 ? LED_FULL
658 : LED_OFF;
659}
660
661static void lenovo_led_brightness_set_tpkbd(struct led_classdev *led_cdev,
662 enum led_brightness value)
663{
664 struct device *dev = led_cdev->dev->parent;
665 struct hid_device *hdev = to_hid_device(dev);
666 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
667 struct hid_report *report;
668 int led_nr = 0;
669
670 if (led_cdev == &data_pointer->led_micmute)
671 led_nr = 1;
672
673 if (value == LED_OFF)
674 data_pointer->led_state &= ~(1 << led_nr);
675 else
676 data_pointer->led_state |= 1 << led_nr;
677
678 report = hdev->report_enum[HID_OUTPUT_REPORT].report_id_hash[3];
679 report->field[0]->value[0] = (data_pointer->led_state >> 0) & 1;
680 report->field[0]->value[1] = (data_pointer->led_state >> 1) & 1;
681 hid_hw_request(hdev, report, HID_REQ_SET_REPORT);
682}
683
684static int lenovo_probe_tpkbd(struct hid_device *hdev)
685{
686 struct device *dev = &hdev->dev;
687 struct lenovo_drvdata_tpkbd *data_pointer;
688 size_t name_sz = strlen(dev_name(dev)) + 16;
689 char *name_mute, *name_micmute;
690 int i;
691 int ret;
692
693
694
695
696
697 if (!hid_get_drvdata(hdev))
698 return 0;
699
700 hid_set_drvdata(hdev, NULL);
701
702
703 for (i = 0; i < 4; i++) {
704 if (!hid_validate_values(hdev, HID_FEATURE_REPORT, 4, i, 1))
705 return -ENODEV;
706 }
707 if (!hid_validate_values(hdev, HID_OUTPUT_REPORT, 3, 0, 2))
708 return -ENODEV;
709
710 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
711 if (ret)
712 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
713
714 data_pointer = devm_kzalloc(&hdev->dev,
715 sizeof(struct lenovo_drvdata_tpkbd),
716 GFP_KERNEL);
717 if (data_pointer == NULL) {
718 hid_err(hdev, "Could not allocate memory for driver data\n");
719 ret = -ENOMEM;
720 goto err;
721 }
722
723
724 data_pointer->sensitivity = 0xa0;
725 data_pointer->press_speed = 0x38;
726
727 name_mute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
728 name_micmute = devm_kzalloc(&hdev->dev, name_sz, GFP_KERNEL);
729 if (name_mute == NULL || name_micmute == NULL) {
730 hid_err(hdev, "Could not allocate memory for led data\n");
731 ret = -ENOMEM;
732 goto err;
733 }
734 snprintf(name_mute, name_sz, "%s:amber:mute", dev_name(dev));
735 snprintf(name_micmute, name_sz, "%s:amber:micmute", dev_name(dev));
736
737 hid_set_drvdata(hdev, data_pointer);
738
739 data_pointer->led_mute.name = name_mute;
740 data_pointer->led_mute.brightness_get = lenovo_led_brightness_get_tpkbd;
741 data_pointer->led_mute.brightness_set = lenovo_led_brightness_set_tpkbd;
742 data_pointer->led_mute.dev = dev;
743 ret = led_classdev_register(dev, &data_pointer->led_mute);
744 if (ret < 0)
745 goto err;
746
747 data_pointer->led_micmute.name = name_micmute;
748 data_pointer->led_micmute.brightness_get =
749 lenovo_led_brightness_get_tpkbd;
750 data_pointer->led_micmute.brightness_set =
751 lenovo_led_brightness_set_tpkbd;
752 data_pointer->led_micmute.dev = dev;
753 ret = led_classdev_register(dev, &data_pointer->led_micmute);
754 if (ret < 0) {
755 led_classdev_unregister(&data_pointer->led_mute);
756 goto err;
757 }
758
759 lenovo_features_set_tpkbd(hdev);
760
761 return 0;
762err:
763 sysfs_remove_group(&hdev->dev.kobj, &lenovo_attr_group_tpkbd);
764 return ret;
765}
766
767static int lenovo_probe_cptkbd(struct hid_device *hdev)
768{
769 int ret;
770 struct lenovo_drvdata_cptkbd *cptkbd_data;
771
772
773 if (hdev->product == USB_DEVICE_ID_LENOVO_CUSBKBD
774 && hdev->type != HID_TYPE_USBMOUSE) {
775 hid_dbg(hdev, "Ignoring keyboard half of device\n");
776 return 0;
777 }
778
779 cptkbd_data = devm_kzalloc(&hdev->dev,
780 sizeof(*cptkbd_data),
781 GFP_KERNEL);
782 if (cptkbd_data == NULL) {
783 hid_err(hdev, "can't alloc keyboard descriptor\n");
784 return -ENOMEM;
785 }
786 hid_set_drvdata(hdev, cptkbd_data);
787
788
789
790
791
792 ret = lenovo_send_cmd_cptkbd(hdev, 0x01, 0x03);
793 if (ret)
794 hid_warn(hdev, "Failed to switch F7/9/11 mode: %d\n", ret);
795
796
797 ret = lenovo_send_cmd_cptkbd(hdev, 0x09, 0x01);
798 if (ret)
799 hid_warn(hdev, "Failed to switch middle button: %d\n", ret);
800
801
802 cptkbd_data->middlebutton_state = 0;
803 cptkbd_data->fn_lock = true;
804 cptkbd_data->sensitivity = 0x05;
805 lenovo_features_set_cptkbd(hdev);
806
807 ret = sysfs_create_group(&hdev->dev.kobj, &lenovo_attr_group_cptkbd);
808 if (ret)
809 hid_warn(hdev, "Could not create sysfs group: %d\n", ret);
810
811 return 0;
812}
813
814static int lenovo_probe(struct hid_device *hdev,
815 const struct hid_device_id *id)
816{
817 int ret;
818
819 ret = hid_parse(hdev);
820 if (ret) {
821 hid_err(hdev, "hid_parse failed\n");
822 goto err;
823 }
824
825 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
826 if (ret) {
827 hid_err(hdev, "hid_hw_start failed\n");
828 goto err;
829 }
830
831 switch (hdev->product) {
832 case USB_DEVICE_ID_LENOVO_TPKBD:
833 ret = lenovo_probe_tpkbd(hdev);
834 break;
835 case USB_DEVICE_ID_LENOVO_CUSBKBD:
836 case USB_DEVICE_ID_LENOVO_CBTKBD:
837 ret = lenovo_probe_cptkbd(hdev);
838 break;
839 default:
840 ret = 0;
841 break;
842 }
843 if (ret)
844 goto err_hid;
845
846 return 0;
847err_hid:
848 hid_hw_stop(hdev);
849err:
850 return ret;
851}
852
853static void lenovo_remove_tpkbd(struct hid_device *hdev)
854{
855 struct lenovo_drvdata_tpkbd *data_pointer = hid_get_drvdata(hdev);
856
857
858
859
860
861 if (data_pointer == NULL)
862 return;
863
864 sysfs_remove_group(&hdev->dev.kobj,
865 &lenovo_attr_group_tpkbd);
866
867 led_classdev_unregister(&data_pointer->led_micmute);
868 led_classdev_unregister(&data_pointer->led_mute);
869}
870
871static void lenovo_remove_cptkbd(struct hid_device *hdev)
872{
873 sysfs_remove_group(&hdev->dev.kobj,
874 &lenovo_attr_group_cptkbd);
875}
876
877static void lenovo_remove(struct hid_device *hdev)
878{
879 switch (hdev->product) {
880 case USB_DEVICE_ID_LENOVO_TPKBD:
881 lenovo_remove_tpkbd(hdev);
882 break;
883 case USB_DEVICE_ID_LENOVO_CUSBKBD:
884 case USB_DEVICE_ID_LENOVO_CBTKBD:
885 lenovo_remove_cptkbd(hdev);
886 break;
887 }
888
889 hid_hw_stop(hdev);
890}
891
892static int lenovo_input_configured(struct hid_device *hdev,
893 struct hid_input *hi)
894{
895 switch (hdev->product) {
896 case USB_DEVICE_ID_LENOVO_TPKBD:
897 case USB_DEVICE_ID_LENOVO_CUSBKBD:
898 case USB_DEVICE_ID_LENOVO_CBTKBD:
899 if (test_bit(EV_REL, hi->input->evbit)) {
900
901 __set_bit(INPUT_PROP_POINTER, hi->input->propbit);
902 __set_bit(INPUT_PROP_POINTING_STICK,
903 hi->input->propbit);
904 }
905 break;
906 }
907
908 return 0;
909}
910
911
912static const struct hid_device_id lenovo_devices[] = {
913 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
914 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
915 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
916 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
917 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_III) },
918 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_PRO) },
919 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_OPTICAL) },
920 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL) },
921 { HID_USB_DEVICE(USB_VENDOR_ID_IBM, USB_DEVICE_ID_IBM_SCROLLPOINT_800DPI_OPTICAL_PRO) },
922 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_SCROLLPOINT_OPTICAL) },
923 { }
924};
925
926MODULE_DEVICE_TABLE(hid, lenovo_devices);
927
928static struct hid_driver lenovo_driver = {
929 .name = "lenovo",
930 .id_table = lenovo_devices,
931 .input_configured = lenovo_input_configured,
932 .input_mapping = lenovo_input_mapping,
933 .probe = lenovo_probe,
934 .remove = lenovo_remove,
935 .raw_event = lenovo_raw_event,
936 .event = lenovo_event,
937 .report_fixup = lenovo_report_fixup,
938};
939module_hid_driver(lenovo_driver);
940
941MODULE_LICENSE("GPL");
942
