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Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-wacom.c
1 /*
2 * Bluetooth Wacom Tablet support
3 *
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2007 Jiri Kosina
8 * Copyright (c) 2007 Paul Walmsley
9 * Copyright (c) 2008 Jiri Slaby <jirislaby@gmail.com>
10 * Copyright (c) 2006 Andrew Zabolotny <zap@homelink.ru>
11 * Copyright (c) 2009 Bastien Nocera <hadess@hadess.net>
12 * Copyright (c) 2011 Przemysław Firszt <przemo@firszt.eu>
13 */
14
15 /*
16 * This program is free software; you can redistribute it and/or modify it
17 * under the terms of the GNU General Public License as published by the Free
18 * Software Foundation; either version 2 of the License, or (at your option)
19 * any later version.
20 */
21
22 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23
24 #include <linux/device.h>
25 #include <linux/hid.h>
26 #include <linux/module.h>
27 #include <linux/leds.h>
28 #include <linux/slab.h>
29 #include <linux/power_supply.h>
30
31 #include "hid-ids.h"
32
33 #define PAD_DEVICE_ID 0x0F
34
35 #define WAC_CMD_LED_CONTROL 0x20
36
37 struct wacom_data {
38 __u16 tool;
39 __u16 butstate;
40 __u8 whlstate;
41 __u8 features;
42 __u32 id;
43 __u32 serial;
44 unsigned char high_speed;
45 __u8 battery_capacity;
46 __u8 power_raw;
47 __u8 ps_connected;
48 struct power_supply battery;
49 struct power_supply ac;
50 __u8 led_selector;
51 struct led_classdev *leds[4];
52 };
53
54 /*percent of battery capacity for Graphire
55 8th value means AC online and show 100% capacity */
56 static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
57 /*percent of battery capacity for Intuos4 WL, AC has a separate bit*/
58 static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
59
60 static enum power_supply_property wacom_battery_props[] = {
61 POWER_SUPPLY_PROP_PRESENT,
62 POWER_SUPPLY_PROP_CAPACITY,
63 POWER_SUPPLY_PROP_SCOPE,
64 };
65
66 static enum power_supply_property wacom_ac_props[] = {
67 POWER_SUPPLY_PROP_PRESENT,
68 POWER_SUPPLY_PROP_ONLINE,
69 POWER_SUPPLY_PROP_SCOPE,
70 };
71
72 static void wacom_leds_set_brightness(struct led_classdev *led_dev,
73 enum led_brightness value)
74 {
75 struct device *dev = led_dev->dev->parent;
76 struct hid_device *hdev;
77 struct wacom_data *wdata;
78 unsigned char *buf;
79 __u8 led = 0;
80 int i;
81
82 hdev = container_of(dev, struct hid_device, dev);
83 wdata = hid_get_drvdata(hdev);
84 for (i = 0; i < 4; ++i) {
85 if (wdata->leds[i] == led_dev)
86 wdata->led_selector = i;
87 }
88
89 led = wdata->led_selector | 0x04;
90 buf = kzalloc(9, GFP_KERNEL);
91 if (buf) {
92 buf[0] = WAC_CMD_LED_CONTROL;
93 buf[1] = led;
94 buf[2] = value;
95 hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
96 kfree(buf);
97 }
98
99 return;
100 }
101
102 static enum led_brightness wacom_leds_get_brightness(struct led_classdev *led_dev)
103 {
104 struct wacom_data *wdata;
105 struct device *dev = led_dev->dev->parent;
106 int value = 0;
107 int i;
108
109 wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
110
111 for (i = 0; i < 4; ++i) {
112 if (wdata->leds[i] == led_dev) {
113 value = wdata->leds[i]->brightness;
114 break;
115 }
116 }
117
118 return value;
119 }
120
121
122 static int wacom_initialize_leds(struct hid_device *hdev)
123 {
124 struct wacom_data *wdata = hid_get_drvdata(hdev);
125 struct led_classdev *led;
126 struct device *dev = &hdev->dev;
127 size_t namesz = strlen(dev_name(dev)) + 12;
128 char *name;
129 int i, ret;
130
131 wdata->led_selector = 0;
132
133 for (i = 0; i < 4; i++) {
134 led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL);
135 if (!led) {
136 hid_warn(hdev,
137 "can't allocate memory for LED selector\n");
138 ret = -ENOMEM;
139 goto err;
140 }
141
142 name = (void *)&led[1];
143 snprintf(name, namesz, "%s:selector:%d", dev_name(dev), i);
144 led->name = name;
145 led->brightness = 0;
146 led->max_brightness = 127;
147 led->brightness_get = wacom_leds_get_brightness;
148 led->brightness_set = wacom_leds_set_brightness;
149
150 wdata->leds[i] = led;
151
152 ret = led_classdev_register(dev, wdata->leds[i]);
153
154 if (ret) {
155 wdata->leds[i] = NULL;
156 kfree(led);
157 hid_warn(hdev, "can't register LED\n");
158 goto err;
159 }
160 }
161
162 err:
163 return ret;
164 }
165
166 static void wacom_destroy_leds(struct hid_device *hdev)
167 {
168 struct wacom_data *wdata = hid_get_drvdata(hdev);
169 struct led_classdev *led;
170 int i;
171
172 for (i = 0; i < 4; ++i) {
173 if (wdata->leds[i]) {
174 led = wdata->leds[i];
175 wdata->leds[i] = NULL;
176 led_classdev_unregister(led);
177 kfree(led);
178 }
179 }
180
181 }
182
183 static int wacom_battery_get_property(struct power_supply *psy,
184 enum power_supply_property psp,
185 union power_supply_propval *val)
186 {
187 struct wacom_data *wdata = container_of(psy,
188 struct wacom_data, battery);
189 int ret = 0;
190
191 switch (psp) {
192 case POWER_SUPPLY_PROP_PRESENT:
193 val->intval = 1;
194 break;
195 case POWER_SUPPLY_PROP_SCOPE:
196 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
197 break;
198 case POWER_SUPPLY_PROP_CAPACITY:
199 val->intval = wdata->battery_capacity;
200 break;
201 default:
202 ret = -EINVAL;
203 break;
204 }
205 return ret;
206 }
207
208 static int wacom_ac_get_property(struct power_supply *psy,
209 enum power_supply_property psp,
210 union power_supply_propval *val)
211 {
212 struct wacom_data *wdata = container_of(psy, struct wacom_data, ac);
213 int ret = 0;
214
215 switch (psp) {
216 case POWER_SUPPLY_PROP_PRESENT:
217 /* fall through */
218 case POWER_SUPPLY_PROP_ONLINE:
219 val->intval = wdata->ps_connected;
220 break;
221 case POWER_SUPPLY_PROP_SCOPE:
222 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
223 break;
224 default:
225 ret = -EINVAL;
226 break;
227 }
228 return ret;
229 }
230
231 static void wacom_set_features(struct hid_device *hdev, u8 speed)
232 {
233 struct wacom_data *wdata = hid_get_drvdata(hdev);
234 int limit, ret;
235 __u8 rep_data[2];
236
237 switch (hdev->product) {
238 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
239 rep_data[0] = 0x03 ; rep_data[1] = 0x00;
240 limit = 3;
241 do {
242 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
243 HID_FEATURE_REPORT);
244 } while (ret < 0 && limit-- > 0);
245
246 if (ret >= 0) {
247 if (speed == 0)
248 rep_data[0] = 0x05;
249 else
250 rep_data[0] = 0x06;
251
252 rep_data[1] = 0x00;
253 limit = 3;
254 do {
255 ret = hdev->hid_output_raw_report(hdev,
256 rep_data, 2, HID_FEATURE_REPORT);
257 } while (ret < 0 && limit-- > 0);
258
259 if (ret >= 0) {
260 wdata->high_speed = speed;
261 return;
262 }
263 }
264
265 /*
266 * Note that if the raw queries fail, it's not a hard failure
267 * and it is safe to continue
268 */
269 hid_warn(hdev, "failed to poke device, command %d, err %d\n",
270 rep_data[0], ret);
271 break;
272 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
273 if (speed == 1)
274 wdata->features &= ~0x20;
275 else
276 wdata->features |= 0x20;
277
278 rep_data[0] = 0x03;
279 rep_data[1] = wdata->features;
280
281 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
282 HID_FEATURE_REPORT);
283 if (ret >= 0)
284 wdata->high_speed = speed;
285 break;
286 }
287
288 return;
289 }
290
291 static ssize_t wacom_show_speed(struct device *dev,
292 struct device_attribute
293 *attr, char *buf)
294 {
295 struct wacom_data *wdata = dev_get_drvdata(dev);
296
297 return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed);
298 }
299
300 static ssize_t wacom_store_speed(struct device *dev,
301 struct device_attribute *attr,
302 const char *buf, size_t count)
303 {
304 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
305 int new_speed;
306
307 if (sscanf(buf, "%1d", &new_speed ) != 1)
308 return -EINVAL;
309
310 if (new_speed == 0 || new_speed == 1) {
311 wacom_set_features(hdev, new_speed);
312 return strnlen(buf, PAGE_SIZE);
313 } else
314 return -EINVAL;
315 }
316
317 static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP,
318 wacom_show_speed, wacom_store_speed);
319
320 static int wacom_gr_parse_report(struct hid_device *hdev,
321 struct wacom_data *wdata,
322 struct input_dev *input, unsigned char *data)
323 {
324 int tool, x, y, rw;
325
326 tool = 0;
327 /* Get X & Y positions */
328 x = le16_to_cpu(*(__le16 *) &data[2]);
329 y = le16_to_cpu(*(__le16 *) &data[4]);
330
331 /* Get current tool identifier */
332 if (data[1] & 0x90) { /* If pen is in the in/active area */
333 switch ((data[1] >> 5) & 3) {
334 case 0: /* Pen */
335 tool = BTN_TOOL_PEN;
336 break;
337
338 case 1: /* Rubber */
339 tool = BTN_TOOL_RUBBER;
340 break;
341
342 case 2: /* Mouse with wheel */
343 case 3: /* Mouse without wheel */
344 tool = BTN_TOOL_MOUSE;
345 break;
346 }
347
348 /* Reset tool if out of active tablet area */
349 if (!(data[1] & 0x10))
350 tool = 0;
351 }
352
353 /* If tool changed, notify input subsystem */
354 if (wdata->tool != tool) {
355 if (wdata->tool) {
356 /* Completely reset old tool state */
357 if (wdata->tool == BTN_TOOL_MOUSE) {
358 input_report_key(input, BTN_LEFT, 0);
359 input_report_key(input, BTN_RIGHT, 0);
360 input_report_key(input, BTN_MIDDLE, 0);
361 input_report_abs(input, ABS_DISTANCE,
362 input_abs_get_max(input, ABS_DISTANCE));
363 } else {
364 input_report_key(input, BTN_TOUCH, 0);
365 input_report_key(input, BTN_STYLUS, 0);
366 input_report_key(input, BTN_STYLUS2, 0);
367 input_report_abs(input, ABS_PRESSURE, 0);
368 }
369 input_report_key(input, wdata->tool, 0);
370 input_sync(input);
371 }
372 wdata->tool = tool;
373 if (tool)
374 input_report_key(input, tool, 1);
375 }
376
377 if (tool) {
378 input_report_abs(input, ABS_X, x);
379 input_report_abs(input, ABS_Y, y);
380
381 switch ((data[1] >> 5) & 3) {
382 case 2: /* Mouse with wheel */
383 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
384 rw = (data[6] & 0x01) ? -1 :
385 (data[6] & 0x02) ? 1 : 0;
386 input_report_rel(input, REL_WHEEL, rw);
387 /* fall through */
388
389 case 3: /* Mouse without wheel */
390 input_report_key(input, BTN_LEFT, data[1] & 0x01);
391 input_report_key(input, BTN_RIGHT, data[1] & 0x02);
392 /* Compute distance between mouse and tablet */
393 rw = 44 - (data[6] >> 2);
394 if (rw < 0)
395 rw = 0;
396 else if (rw > 31)
397 rw = 31;
398 input_report_abs(input, ABS_DISTANCE, rw);
399 break;
400
401 default:
402 input_report_abs(input, ABS_PRESSURE,
403 data[6] | (((__u16) (data[1] & 0x08)) << 5));
404 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
405 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
406 input_report_key(input, BTN_STYLUS2, (tool == BTN_TOOL_PEN) && data[1] & 0x04);
407 break;
408 }
409
410 input_sync(input);
411 }
412
413 /* Report the state of the two buttons at the top of the tablet
414 * as two extra fingerpad keys (buttons 4 & 5). */
415 rw = data[7] & 0x03;
416 if (rw != wdata->butstate) {
417 wdata->butstate = rw;
418 input_report_key(input, BTN_0, rw & 0x02);
419 input_report_key(input, BTN_1, rw & 0x01);
420 input_report_key(input, BTN_TOOL_FINGER, 0xf0);
421 input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
422 input_sync(input);
423 }
424
425 /* Store current battery capacity and power supply state*/
426 rw = (data[7] >> 2 & 0x07);
427 if (rw != wdata->power_raw) {
428 wdata->power_raw = rw;
429 wdata->battery_capacity = batcap_gr[rw];
430 if (rw == 7)
431 wdata->ps_connected = 1;
432 else
433 wdata->ps_connected = 0;
434 }
435 return 1;
436 }
437
438 static void wacom_i4_parse_button_report(struct wacom_data *wdata,
439 struct input_dev *input, unsigned char *data)
440 {
441 __u16 new_butstate;
442 __u8 new_whlstate;
443 __u8 sync = 0;
444
445 new_whlstate = data[1];
446 if (new_whlstate != wdata->whlstate) {
447 wdata->whlstate = new_whlstate;
448 if (new_whlstate & 0x80) {
449 input_report_key(input, BTN_TOUCH, 1);
450 input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f));
451 input_report_key(input, BTN_TOOL_FINGER, 1);
452 } else {
453 input_report_key(input, BTN_TOUCH, 0);
454 input_report_abs(input, ABS_WHEEL, 0);
455 input_report_key(input, BTN_TOOL_FINGER, 0);
456 }
457 sync = 1;
458 }
459
460 new_butstate = (data[3] << 1) | (data[2] & 0x01);
461 if (new_butstate != wdata->butstate) {
462 wdata->butstate = new_butstate;
463 input_report_key(input, BTN_0, new_butstate & 0x001);
464 input_report_key(input, BTN_1, new_butstate & 0x002);
465 input_report_key(input, BTN_2, new_butstate & 0x004);
466 input_report_key(input, BTN_3, new_butstate & 0x008);
467 input_report_key(input, BTN_4, new_butstate & 0x010);
468 input_report_key(input, BTN_5, new_butstate & 0x020);
469 input_report_key(input, BTN_6, new_butstate & 0x040);
470 input_report_key(input, BTN_7, new_butstate & 0x080);
471 input_report_key(input, BTN_8, new_butstate & 0x100);
472 input_report_key(input, BTN_TOOL_FINGER, 1);
473 sync = 1;
474 }
475
476 if (sync) {
477 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
478 input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
479 input_sync(input);
480 }
481 }
482
483 static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
484 struct input_dev *input, unsigned char *data)
485 {
486 __u16 x, y, pressure;
487 __u8 distance;
488 __u8 tilt_x, tilt_y;
489
490 switch (data[1]) {
491 case 0x80: /* Out of proximity report */
492 input_report_key(input, BTN_TOUCH, 0);
493 input_report_abs(input, ABS_PRESSURE, 0);
494 input_report_key(input, BTN_STYLUS, 0);
495 input_report_key(input, BTN_STYLUS2, 0);
496 input_report_key(input, wdata->tool, 0);
497 input_report_abs(input, ABS_MISC, 0);
498 input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
499 wdata->tool = 0;
500 input_sync(input);
501 break;
502 case 0xC2: /* Tool report */
503 wdata->id = ((data[2] << 4) | (data[3] >> 4) |
504 ((data[7] & 0x0f) << 20) |
505 ((data[8] & 0xf0) << 12));
506 wdata->serial = ((data[3] & 0x0f) << 28) +
507 (data[4] << 20) + (data[5] << 12) +
508 (data[6] << 4) + (data[7] >> 4);
509
510 switch (wdata->id) {
511 case 0x100802:
512 wdata->tool = BTN_TOOL_PEN;
513 break;
514 case 0x10080A:
515 wdata->tool = BTN_TOOL_RUBBER;
516 break;
517 }
518 break;
519 default: /* Position/pressure report */
520 x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1);
521 y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01);
522 pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5)
523 | (data[1] & 0x01);
524 distance = (data[9] >> 2) & 0x3f;
525 tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7);
526 tilt_y = data[8] & 0x7f;
527
528 input_report_key(input, BTN_TOUCH, pressure > 1);
529
530 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
531 input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
532 input_report_key(input, wdata->tool, 1);
533 input_report_abs(input, ABS_X, x);
534 input_report_abs(input, ABS_Y, y);
535 input_report_abs(input, ABS_PRESSURE, pressure);
536 input_report_abs(input, ABS_DISTANCE, distance);
537 input_report_abs(input, ABS_TILT_X, tilt_x);
538 input_report_abs(input, ABS_TILT_Y, tilt_y);
539 input_report_abs(input, ABS_MISC, wdata->id);
540 input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
541 input_report_key(input, wdata->tool, 1);
542 input_sync(input);
543 break;
544 }
545
546 return;
547 }
548
549 static void wacom_i4_parse_report(struct hid_device *hdev,
550 struct wacom_data *wdata,
551 struct input_dev *input, unsigned char *data)
552 {
553 switch (data[0]) {
554 case 0x00: /* Empty report */
555 break;
556 case 0x02: /* Pen report */
557 wacom_i4_parse_pen_report(wdata, input, data);
558 break;
559 case 0x03: /* Features Report */
560 wdata->features = data[2];
561 break;
562 case 0x0C: /* Button report */
563 wacom_i4_parse_button_report(wdata, input, data);
564 break;
565 default:
566 hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]);
567 break;
568 }
569 }
570
571 static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
572 u8 *raw_data, int size)
573 {
574 struct wacom_data *wdata = hid_get_drvdata(hdev);
575 struct hid_input *hidinput;
576 struct input_dev *input;
577 unsigned char *data = (unsigned char *) raw_data;
578 int i;
579 __u8 power_raw;
580
581 if (!(hdev->claimed & HID_CLAIMED_INPUT))
582 return 0;
583
584 hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
585 input = hidinput->input;
586
587 switch (hdev->product) {
588 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
589 if (data[0] == 0x03) {
590 return wacom_gr_parse_report(hdev, wdata, input, data);
591 } else {
592 hid_err(hdev, "Unknown report: %d,%d size:%d\n",
593 data[0], data[1], size);
594 return 0;
595 }
596 break;
597 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
598 i = 1;
599
600 switch (data[0]) {
601 case 0x04:
602 wacom_i4_parse_report(hdev, wdata, input, data + i);
603 i += 10;
604 /* fall through */
605 case 0x03:
606 wacom_i4_parse_report(hdev, wdata, input, data + i);
607 i += 10;
608 wacom_i4_parse_report(hdev, wdata, input, data + i);
609 power_raw = data[i+10];
610 if (power_raw != wdata->power_raw) {
611 wdata->power_raw = power_raw;
612 wdata->battery_capacity = batcap_i4[power_raw & 0x07];
613 wdata->ps_connected = power_raw & 0x08;
614 }
615
616 break;
617 default:
618 hid_err(hdev, "Unknown report: %d,%d size:%d\n",
619 data[0], data[1], size);
620 return 0;
621 }
622 }
623 return 1;
624 }
625
626 static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
627 struct hid_field *field, struct hid_usage *usage, unsigned long **bit,
628 int *max)
629 {
630 struct input_dev *input = hi->input;
631
632 __set_bit(INPUT_PROP_POINTER, input->propbit);
633
634 /* Basics */
635 input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL);
636
637 __set_bit(REL_WHEEL, input->relbit);
638
639 __set_bit(BTN_TOOL_PEN, input->keybit);
640 __set_bit(BTN_TOUCH, input->keybit);
641 __set_bit(BTN_STYLUS, input->keybit);
642 __set_bit(BTN_STYLUS2, input->keybit);
643 __set_bit(BTN_LEFT, input->keybit);
644 __set_bit(BTN_RIGHT, input->keybit);
645 __set_bit(BTN_MIDDLE, input->keybit);
646
647 /* Pad */
648 input_set_capability(input, EV_MSC, MSC_SERIAL);
649
650 __set_bit(BTN_0, input->keybit);
651 __set_bit(BTN_1, input->keybit);
652 __set_bit(BTN_TOOL_FINGER, input->keybit);
653
654 /* Distance, rubber and mouse */
655 __set_bit(BTN_TOOL_RUBBER, input->keybit);
656 __set_bit(BTN_TOOL_MOUSE, input->keybit);
657
658 switch (hdev->product) {
659 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
660 input_set_abs_params(input, ABS_X, 0, 16704, 4, 0);
661 input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0);
662 input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0);
663 input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0);
664 break;
665 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
666 __set_bit(ABS_WHEEL, input->absbit);
667 __set_bit(ABS_MISC, input->absbit);
668 __set_bit(BTN_2, input->keybit);
669 __set_bit(BTN_3, input->keybit);
670 __set_bit(BTN_4, input->keybit);
671 __set_bit(BTN_5, input->keybit);
672 __set_bit(BTN_6, input->keybit);
673 __set_bit(BTN_7, input->keybit);
674 __set_bit(BTN_8, input->keybit);
675 input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0);
676 input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
677 input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
678 input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
679 input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0);
680 input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0);
681 input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0);
682 break;
683 }
684
685 return 0;
686 }
687
688 static int wacom_probe(struct hid_device *hdev,
689 const struct hid_device_id *id)
690 {
691 struct wacom_data *wdata;
692 int ret;
693
694 wdata = kzalloc(sizeof(*wdata), GFP_KERNEL);
695 if (wdata == NULL) {
696 hid_err(hdev, "can't alloc wacom descriptor\n");
697 return -ENOMEM;
698 }
699
700 hid_set_drvdata(hdev, wdata);
701
702 /* Parse the HID report now */
703 ret = hid_parse(hdev);
704 if (ret) {
705 hid_err(hdev, "parse failed\n");
706 goto err_free;
707 }
708
709 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
710 if (ret) {
711 hid_err(hdev, "hw start failed\n");
712 goto err_free;
713 }
714
715 ret = device_create_file(&hdev->dev, &dev_attr_speed);
716 if (ret)
717 hid_warn(hdev,
718 "can't create sysfs speed attribute err: %d\n", ret);
719
720 wdata->features = 0;
721 wacom_set_features(hdev, 1);
722
723 if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) {
724 sprintf(hdev->name, "%s", "Wacom Intuos4 WL");
725 ret = wacom_initialize_leds(hdev);
726 if (ret) {
727 hid_warn(hdev,
728 "can't create led attribute, err: %d\n", ret);
729 goto destroy_leds;
730 }
731 }
732
733 wdata->battery.properties = wacom_battery_props;
734 wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props);
735 wdata->battery.get_property = wacom_battery_get_property;
736 wdata->battery.name = "wacom_battery";
737 wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
738 wdata->battery.use_for_apm = 0;
739
740
741 ret = power_supply_register(&hdev->dev, &wdata->battery);
742 if (ret) {
743 hid_warn(hdev, "can't create sysfs battery attribute, err: %d\n",
744 ret);
745 goto err_battery;
746 }
747
748 power_supply_powers(&wdata->battery, &hdev->dev);
749
750 wdata->ac.properties = wacom_ac_props;
751 wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
752 wdata->ac.get_property = wacom_ac_get_property;
753 wdata->ac.name = "wacom_ac";
754 wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
755 wdata->ac.use_for_apm = 0;
756
757 ret = power_supply_register(&hdev->dev, &wdata->ac);
758 if (ret) {
759 hid_warn(hdev,
760 "can't create ac battery attribute, err: %d\n", ret);
761 goto err_ac;
762 }
763
764 power_supply_powers(&wdata->ac, &hdev->dev);
765 return 0;
766
767 err_ac:
768 power_supply_unregister(&wdata->battery);
769 err_battery:
770 device_remove_file(&hdev->dev, &dev_attr_speed);
771 hid_hw_stop(hdev);
772 destroy_leds:
773 wacom_destroy_leds(hdev);
774 err_free:
775 kfree(wdata);
776 return ret;
777 }
778
779 static void wacom_remove(struct hid_device *hdev)
780 {
781 struct wacom_data *wdata = hid_get_drvdata(hdev);
782
783 wacom_destroy_leds(hdev);
784 device_remove_file(&hdev->dev, &dev_attr_speed);
785 hid_hw_stop(hdev);
786
787 power_supply_unregister(&wdata->battery);
788 power_supply_unregister(&wdata->ac);
789 kfree(hid_get_drvdata(hdev));
790 }
791
792 static const struct hid_device_id wacom_devices[] = {
793 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
794 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
795
796 { }
797 };
798 MODULE_DEVICE_TABLE(hid, wacom_devices);
799
800 static struct hid_driver wacom_driver = {
801 .name = "wacom",
802 .id_table = wacom_devices,
803 .probe = wacom_probe,
804 .remove = wacom_remove,
805 .raw_event = wacom_raw_event,
806 .input_mapped = wacom_input_mapped,
807 };
808
809 static int __init wacom_init(void)
810 {
811 int ret;
812
813 ret = hid_register_driver(&wacom_driver);
814 if (ret)
815 pr_err("can't register wacom driver\n");
816 return ret;
817 }
818
819 static void __exit wacom_exit(void)
820 {
821 hid_unregister_driver(&wacom_driver);
822 }
823
824 module_init(wacom_init);
825 module_exit(wacom_exit);
826 MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL");
827 MODULE_LICENSE("GPL");
kernel source for telekom puls (alcatel/mediatek)