tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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) 2008 Jiri Slaby <jirislaby@gmail.com>
9 * Copyright (c) 2006 Andrew Zabolotny <zap@homelink.ru>
10 * Copyright (c) 2009 Bastien Nocera <hadess@hadess.net>
11 * Copyright (c) 2011 Przemysław Firszt <przemo@firszt.eu>
12 */
13
14/*
15 * This program is free software; you can redistribute it and/or modify it
16 * under the terms of the GNU General Public License as published by the Free
17 * Software Foundation; either version 2 of the License, or (at your option)
18 * any later version.
19 */
20
21#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22
23#include <linux/device.h>
24#include <linux/hid.h>
25#include <linux/module.h>
26#include <linux/leds.h>
27#include <linux/slab.h>
28#include <linux/power_supply.h>
29
30#include "hid-ids.h"
31
32#define PAD_DEVICE_ID 0x0F
33
34#define WAC_CMD_LED_CONTROL 0x20
35#define WAC_CMD_ICON_START_STOP 0x21
36#define WAC_CMD_ICON_TRANSFER 0x26
37
38struct wacom_data {
39 __u16 tool;
40 __u16 butstate;
41 __u8 whlstate;
42 __u8 features;
43 __u32 id;
44 __u32 serial;
45 unsigned char high_speed;
46 __u8 battery_capacity;
47 __u8 power_raw;
48 __u8 ps_connected;
49 struct power_supply battery;
50 struct power_supply ac;
51 __u8 led_selector;
52 struct led_classdev *leds[4];
53};
54
55/*percent of battery capacity for Graphire
56 8th value means AC online and show 100% capacity */
57static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
58/*percent of battery capacity for Intuos4 WL, AC has a separate bit*/
59static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
60
61static enum power_supply_property wacom_battery_props[] = {
62 POWER_SUPPLY_PROP_PRESENT,
63 POWER_SUPPLY_PROP_CAPACITY,
64 POWER_SUPPLY_PROP_SCOPE,
65};
66
67static enum power_supply_property wacom_ac_props[] = {
68 POWER_SUPPLY_PROP_PRESENT,
69 POWER_SUPPLY_PROP_ONLINE,
70 POWER_SUPPLY_PROP_SCOPE,
71};
72
73static void wacom_scramble(__u8 *image)
74{
75 __u16 mask;
76 __u16 s1;
77 __u16 s2;
78 __u16 r1 ;
79 __u16 r2 ;
80 __u16 r;
81 __u8 buf[256];
82 int i, w, x, y, z;
83
84 for (x = 0; x < 32; x++) {
85 for (y = 0; y < 8; y++)
86 buf[(8 * x) + (7 - y)] = image[(8 * x) + y];
87 }
88
89 /* Change 76543210 into GECA6420 as required by Intuos4 WL
90 * HGFEDCBA HFDB7531
91 */
92 for (x = 0; x < 4; x++) {
93 for (y = 0; y < 4; y++) {
94 for (z = 0; z < 8; z++) {
95 mask = 0x0001;
96 r1 = 0;
97 r2 = 0;
98 i = (x << 6) + (y << 4) + z;
99 s1 = buf[i];
100 s2 = buf[i+8];
101 for (w = 0; w < 8; w++) {
102 r1 |= (s1 & mask);
103 r2 |= (s2 & mask);
104 s1 <<= 1;
105 s2 <<= 1;
106 mask <<= 2;
107 }
108 r = r1 | (r2 << 1);
109 i = (x << 6) + (y << 4) + (z << 1);
110 image[i] = 0xFF & r;
111 image[i+1] = (0xFF00 & r) >> 8;
112 }
113 }
114 }
115}
116
117static void wacom_set_image(struct hid_device *hdev, const char *image,
118 __u8 icon_no)
119{
120 __u8 rep_data[68];
121 __u8 p[256];
122 int ret, i, j;
123
124 for (i = 0; i < 256; i++)
125 p[i] = image[i];
126
127 rep_data[0] = WAC_CMD_ICON_START_STOP;
128 rep_data[1] = 0;
129 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
130 HID_FEATURE_REPORT);
131 if (ret < 0)
132 goto err;
133
134 rep_data[0] = WAC_CMD_ICON_TRANSFER;
135 rep_data[1] = icon_no & 0x07;
136
137 wacom_scramble(p);
138
139 for (i = 0; i < 4; i++) {
140 for (j = 0; j < 64; j++)
141 rep_data[j + 3] = p[(i << 6) + j];
142
143 rep_data[2] = i;
144 ret = hdev->hid_output_raw_report(hdev, rep_data, 67,
145 HID_FEATURE_REPORT);
146 }
147
148 rep_data[0] = WAC_CMD_ICON_START_STOP;
149 rep_data[1] = 0;
150
151 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
152 HID_FEATURE_REPORT);
153
154err:
155 return;
156}
157
158static void wacom_leds_set_brightness(struct led_classdev *led_dev,
159 enum led_brightness value)
160{
161 struct device *dev = led_dev->dev->parent;
162 struct hid_device *hdev;
163 struct wacom_data *wdata;
164 unsigned char *buf;
165 __u8 led = 0;
166 int i;
167
168 hdev = container_of(dev, struct hid_device, dev);
169 wdata = hid_get_drvdata(hdev);
170 for (i = 0; i < 4; ++i) {
171 if (wdata->leds[i] == led_dev)
172 wdata->led_selector = i;
173 }
174
175 led = wdata->led_selector | 0x04;
176 buf = kzalloc(9, GFP_KERNEL);
177 if (buf) {
178 buf[0] = WAC_CMD_LED_CONTROL;
179 buf[1] = led;
180 buf[2] = value >> 2;
181 buf[3] = value;
182 /* use fixed brightness for OLEDs */
183 buf[4] = 0x08;
184 hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT);
185 kfree(buf);
186 }
187
188 return;
189}
190
191static enum led_brightness wacom_leds_get_brightness(struct led_classdev *led_dev)
192{
193 struct wacom_data *wdata;
194 struct device *dev = led_dev->dev->parent;
195 int value = 0;
196 int i;
197
198 wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev));
199
200 for (i = 0; i < 4; ++i) {
201 if (wdata->leds[i] == led_dev) {
202 value = wdata->leds[i]->brightness;
203 break;
204 }
205 }
206
207 return value;
208}
209
210
211static int wacom_initialize_leds(struct hid_device *hdev)
212{
213 struct wacom_data *wdata = hid_get_drvdata(hdev);
214 struct led_classdev *led;
215 struct device *dev = &hdev->dev;
216 size_t namesz = strlen(dev_name(dev)) + 12;
217 char *name;
218 int i, ret;
219
220 wdata->led_selector = 0;
221
222 for (i = 0; i < 4; i++) {
223 led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL);
224 if (!led) {
225 hid_warn(hdev,
226 "can't allocate memory for LED selector\n");
227 ret = -ENOMEM;
228 goto err;
229 }
230
231 name = (void *)&led[1];
232 snprintf(name, namesz, "%s:selector:%d", dev_name(dev), i);
233 led->name = name;
234 led->brightness = 0;
235 led->max_brightness = 127;
236 led->brightness_get = wacom_leds_get_brightness;
237 led->brightness_set = wacom_leds_set_brightness;
238
239 wdata->leds[i] = led;
240
241 ret = led_classdev_register(dev, wdata->leds[i]);
242
243 if (ret) {
244 wdata->leds[i] = NULL;
245 kfree(led);
246 hid_warn(hdev, "can't register LED\n");
247 goto err;
248 }
249 }
250
251err:
252 return ret;
253}
254
255static void wacom_destroy_leds(struct hid_device *hdev)
256{
257 struct wacom_data *wdata = hid_get_drvdata(hdev);
258 struct led_classdev *led;
259 int i;
260
261 for (i = 0; i < 4; ++i) {
262 if (wdata->leds[i]) {
263 led = wdata->leds[i];
264 wdata->leds[i] = NULL;
265 led_classdev_unregister(led);
266 kfree(led);
267 }
268 }
269
270}
271
272static int wacom_battery_get_property(struct power_supply *psy,
273 enum power_supply_property psp,
274 union power_supply_propval *val)
275{
276 struct wacom_data *wdata = container_of(psy,
277 struct wacom_data, battery);
278 int ret = 0;
279
280 switch (psp) {
281 case POWER_SUPPLY_PROP_PRESENT:
282 val->intval = 1;
283 break;
284 case POWER_SUPPLY_PROP_SCOPE:
285 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
286 break;
287 case POWER_SUPPLY_PROP_CAPACITY:
288 val->intval = wdata->battery_capacity;
289 break;
290 default:
291 ret = -EINVAL;
292 break;
293 }
294 return ret;
295}
296
297static int wacom_ac_get_property(struct power_supply *psy,
298 enum power_supply_property psp,
299 union power_supply_propval *val)
300{
301 struct wacom_data *wdata = container_of(psy, struct wacom_data, ac);
302 int ret = 0;
303
304 switch (psp) {
305 case POWER_SUPPLY_PROP_PRESENT:
306 /* fall through */
307 case POWER_SUPPLY_PROP_ONLINE:
308 val->intval = wdata->ps_connected;
309 break;
310 case POWER_SUPPLY_PROP_SCOPE:
311 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
312 break;
313 default:
314 ret = -EINVAL;
315 break;
316 }
317 return ret;
318}
319
320static void wacom_set_features(struct hid_device *hdev, u8 speed)
321{
322 struct wacom_data *wdata = hid_get_drvdata(hdev);
323 int limit, ret;
324 __u8 rep_data[2];
325
326 switch (hdev->product) {
327 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
328 rep_data[0] = 0x03 ; rep_data[1] = 0x00;
329 limit = 3;
330 do {
331 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
332 HID_FEATURE_REPORT);
333 } while (ret < 0 && limit-- > 0);
334
335 if (ret >= 0) {
336 if (speed == 0)
337 rep_data[0] = 0x05;
338 else
339 rep_data[0] = 0x06;
340
341 rep_data[1] = 0x00;
342 limit = 3;
343 do {
344 ret = hdev->hid_output_raw_report(hdev,
345 rep_data, 2, HID_FEATURE_REPORT);
346 } while (ret < 0 && limit-- > 0);
347
348 if (ret >= 0) {
349 wdata->high_speed = speed;
350 return;
351 }
352 }
353
354 /*
355 * Note that if the raw queries fail, it's not a hard failure
356 * and it is safe to continue
357 */
358 hid_warn(hdev, "failed to poke device, command %d, err %d\n",
359 rep_data[0], ret);
360 break;
361 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
362 if (speed == 1)
363 wdata->features &= ~0x20;
364 else
365 wdata->features |= 0x20;
366
367 rep_data[0] = 0x03;
368 rep_data[1] = wdata->features;
369
370 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
371 HID_FEATURE_REPORT);
372 if (ret >= 0)
373 wdata->high_speed = speed;
374 break;
375 }
376
377 return;
378}
379
380static ssize_t wacom_show_speed(struct device *dev,
381 struct device_attribute
382 *attr, char *buf)
383{
384 struct wacom_data *wdata = dev_get_drvdata(dev);
385
386 return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed);
387}
388
389static ssize_t wacom_store_speed(struct device *dev,
390 struct device_attribute *attr,
391 const char *buf, size_t count)
392{
393 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
394 int new_speed;
395
396 if (sscanf(buf, "%1d", &new_speed ) != 1)
397 return -EINVAL;
398
399 if (new_speed == 0 || new_speed == 1) {
400 wacom_set_features(hdev, new_speed);
401 return strnlen(buf, PAGE_SIZE);
402 } else
403 return -EINVAL;
404}
405
406static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP,
407 wacom_show_speed, wacom_store_speed);
408
409#define WACOM_STORE(OLED_ID) \
410static ssize_t wacom_oled##OLED_ID##_store(struct device *dev, \
411 struct device_attribute *attr, \
412 const char *buf, size_t count) \
413{ \
414 struct hid_device *hdev = container_of(dev, struct hid_device, \
415 dev); \
416 \
417 if (count != 256) \
418 return -EINVAL; \
419 \
420 wacom_set_image(hdev, buf, OLED_ID); \
421 \
422 return count; \
423} \
424 \
425static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \
426 wacom_oled##OLED_ID##_store)
427
428WACOM_STORE(0);
429WACOM_STORE(1);
430WACOM_STORE(2);
431WACOM_STORE(3);
432WACOM_STORE(4);
433WACOM_STORE(5);
434WACOM_STORE(6);
435WACOM_STORE(7);
436
437static int wacom_gr_parse_report(struct hid_device *hdev,
438 struct wacom_data *wdata,
439 struct input_dev *input, unsigned char *data)
440{
441 int tool, x, y, rw;
442
443 tool = 0;
444 /* Get X & Y positions */
445 x = le16_to_cpu(*(__le16 *) &data[2]);
446 y = le16_to_cpu(*(__le16 *) &data[4]);
447
448 /* Get current tool identifier */
449 if (data[1] & 0x90) { /* If pen is in the in/active area */
450 switch ((data[1] >> 5) & 3) {
451 case 0: /* Pen */
452 tool = BTN_TOOL_PEN;
453 break;
454
455 case 1: /* Rubber */
456 tool = BTN_TOOL_RUBBER;
457 break;
458
459 case 2: /* Mouse with wheel */
460 case 3: /* Mouse without wheel */
461 tool = BTN_TOOL_MOUSE;
462 break;
463 }
464
465 /* Reset tool if out of active tablet area */
466 if (!(data[1] & 0x10))
467 tool = 0;
468 }
469
470 /* If tool changed, notify input subsystem */
471 if (wdata->tool != tool) {
472 if (wdata->tool) {
473 /* Completely reset old tool state */
474 if (wdata->tool == BTN_TOOL_MOUSE) {
475 input_report_key(input, BTN_LEFT, 0);
476 input_report_key(input, BTN_RIGHT, 0);
477 input_report_key(input, BTN_MIDDLE, 0);
478 input_report_abs(input, ABS_DISTANCE,
479 input_abs_get_max(input, ABS_DISTANCE));
480 } else {
481 input_report_key(input, BTN_TOUCH, 0);
482 input_report_key(input, BTN_STYLUS, 0);
483 input_report_key(input, BTN_STYLUS2, 0);
484 input_report_abs(input, ABS_PRESSURE, 0);
485 }
486 input_report_key(input, wdata->tool, 0);
487 input_sync(input);
488 }
489 wdata->tool = tool;
490 if (tool)
491 input_report_key(input, tool, 1);
492 }
493
494 if (tool) {
495 input_report_abs(input, ABS_X, x);
496 input_report_abs(input, ABS_Y, y);
497
498 switch ((data[1] >> 5) & 3) {
499 case 2: /* Mouse with wheel */
500 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
501 rw = (data[6] & 0x01) ? -1 :
502 (data[6] & 0x02) ? 1 : 0;
503 input_report_rel(input, REL_WHEEL, rw);
504 /* fall through */
505
506 case 3: /* Mouse without wheel */
507 input_report_key(input, BTN_LEFT, data[1] & 0x01);
508 input_report_key(input, BTN_RIGHT, data[1] & 0x02);
509 /* Compute distance between mouse and tablet */
510 rw = 44 - (data[6] >> 2);
511 if (rw < 0)
512 rw = 0;
513 else if (rw > 31)
514 rw = 31;
515 input_report_abs(input, ABS_DISTANCE, rw);
516 break;
517
518 default:
519 input_report_abs(input, ABS_PRESSURE,
520 data[6] | (((__u16) (data[1] & 0x08)) << 5));
521 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
522 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
523 input_report_key(input, BTN_STYLUS2, (tool == BTN_TOOL_PEN) && data[1] & 0x04);
524 break;
525 }
526
527 input_sync(input);
528 }
529
530 /* Report the state of the two buttons at the top of the tablet
531 * as two extra fingerpad keys (buttons 4 & 5). */
532 rw = data[7] & 0x03;
533 if (rw != wdata->butstate) {
534 wdata->butstate = rw;
535 input_report_key(input, BTN_0, rw & 0x02);
536 input_report_key(input, BTN_1, rw & 0x01);
537 input_report_key(input, BTN_TOOL_FINGER, 0xf0);
538 input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
539 input_sync(input);
540 }
541
542 /* Store current battery capacity and power supply state*/
543 rw = (data[7] >> 2 & 0x07);
544 if (rw != wdata->power_raw) {
545 wdata->power_raw = rw;
546 wdata->battery_capacity = batcap_gr[rw];
547 if (rw == 7)
548 wdata->ps_connected = 1;
549 else
550 wdata->ps_connected = 0;
551 }
552 return 1;
553}
554
555static void wacom_i4_parse_button_report(struct wacom_data *wdata,
556 struct input_dev *input, unsigned char *data)
557{
558 __u16 new_butstate;
559 __u8 new_whlstate;
560 __u8 sync = 0;
561
562 new_whlstate = data[1];
563 if (new_whlstate != wdata->whlstate) {
564 wdata->whlstate = new_whlstate;
565 if (new_whlstate & 0x80) {
566 input_report_key(input, BTN_TOUCH, 1);
567 input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f));
568 input_report_key(input, BTN_TOOL_FINGER, 1);
569 } else {
570 input_report_key(input, BTN_TOUCH, 0);
571 input_report_abs(input, ABS_WHEEL, 0);
572 input_report_key(input, BTN_TOOL_FINGER, 0);
573 }
574 sync = 1;
575 }
576
577 new_butstate = (data[3] << 1) | (data[2] & 0x01);
578 if (new_butstate != wdata->butstate) {
579 wdata->butstate = new_butstate;
580 input_report_key(input, BTN_0, new_butstate & 0x001);
581 input_report_key(input, BTN_1, new_butstate & 0x002);
582 input_report_key(input, BTN_2, new_butstate & 0x004);
583 input_report_key(input, BTN_3, new_butstate & 0x008);
584 input_report_key(input, BTN_4, new_butstate & 0x010);
585 input_report_key(input, BTN_5, new_butstate & 0x020);
586 input_report_key(input, BTN_6, new_butstate & 0x040);
587 input_report_key(input, BTN_7, new_butstate & 0x080);
588 input_report_key(input, BTN_8, new_butstate & 0x100);
589 input_report_key(input, BTN_TOOL_FINGER, 1);
590 sync = 1;
591 }
592
593 if (sync) {
594 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
595 input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
596 input_sync(input);
597 }
598}
599
600static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
601 struct input_dev *input, unsigned char *data)
602{
603 __u16 x, y, pressure;
604 __u8 distance;
605 __u8 tilt_x, tilt_y;
606
607 switch (data[1]) {
608 case 0x80: /* Out of proximity report */
609 input_report_key(input, BTN_TOUCH, 0);
610 input_report_abs(input, ABS_PRESSURE, 0);
611 input_report_key(input, BTN_STYLUS, 0);
612 input_report_key(input, BTN_STYLUS2, 0);
613 input_report_key(input, wdata->tool, 0);
614 input_report_abs(input, ABS_MISC, 0);
615 input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
616 wdata->tool = 0;
617 input_sync(input);
618 break;
619 case 0xC2: /* Tool report */
620 wdata->id = ((data[2] << 4) | (data[3] >> 4) |
621 ((data[7] & 0x0f) << 20) |
622 ((data[8] & 0xf0) << 12));
623 wdata->serial = ((data[3] & 0x0f) << 28) +
624 (data[4] << 20) + (data[5] << 12) +
625 (data[6] << 4) + (data[7] >> 4);
626
627 switch (wdata->id) {
628 case 0x100802:
629 wdata->tool = BTN_TOOL_PEN;
630 break;
631 case 0x10080A:
632 wdata->tool = BTN_TOOL_RUBBER;
633 break;
634 }
635 break;
636 default: /* Position/pressure report */
637 x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1);
638 y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01);
639 pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5)
640 | (data[1] & 0x01);
641 distance = (data[9] >> 2) & 0x3f;
642 tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7);
643 tilt_y = data[8] & 0x7f;
644
645 input_report_key(input, BTN_TOUCH, pressure > 1);
646
647 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
648 input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
649 input_report_key(input, wdata->tool, 1);
650 input_report_abs(input, ABS_X, x);
651 input_report_abs(input, ABS_Y, y);
652 input_report_abs(input, ABS_PRESSURE, pressure);
653 input_report_abs(input, ABS_DISTANCE, distance);
654 input_report_abs(input, ABS_TILT_X, tilt_x);
655 input_report_abs(input, ABS_TILT_Y, tilt_y);
656 input_report_abs(input, ABS_MISC, wdata->id);
657 input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
658 input_report_key(input, wdata->tool, 1);
659 input_sync(input);
660 break;
661 }
662
663 return;
664}
665
666static void wacom_i4_parse_report(struct hid_device *hdev,
667 struct wacom_data *wdata,
668 struct input_dev *input, unsigned char *data)
669{
670 switch (data[0]) {
671 case 0x00: /* Empty report */
672 break;
673 case 0x02: /* Pen report */
674 wacom_i4_parse_pen_report(wdata, input, data);
675 break;
676 case 0x03: /* Features Report */
677 wdata->features = data[2];
678 break;
679 case 0x0C: /* Button report */
680 wacom_i4_parse_button_report(wdata, input, data);
681 break;
682 default:
683 hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]);
684 break;
685 }
686}
687
688static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
689 u8 *raw_data, int size)
690{
691 struct wacom_data *wdata = hid_get_drvdata(hdev);
692 struct hid_input *hidinput;
693 struct input_dev *input;
694 unsigned char *data = (unsigned char *) raw_data;
695 int i;
696 __u8 power_raw;
697
698 if (!(hdev->claimed & HID_CLAIMED_INPUT))
699 return 0;
700
701 hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
702 input = hidinput->input;
703
704 switch (hdev->product) {
705 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
706 if (data[0] == 0x03) {
707 return wacom_gr_parse_report(hdev, wdata, input, data);
708 } else {
709 hid_err(hdev, "Unknown report: %d,%d size:%d\n",
710 data[0], data[1], size);
711 return 0;
712 }
713 break;
714 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
715 i = 1;
716
717 switch (data[0]) {
718 case 0x04:
719 wacom_i4_parse_report(hdev, wdata, input, data + i);
720 i += 10;
721 /* fall through */
722 case 0x03:
723 wacom_i4_parse_report(hdev, wdata, input, data + i);
724 i += 10;
725 wacom_i4_parse_report(hdev, wdata, input, data + i);
726 power_raw = data[i+10];
727 if (power_raw != wdata->power_raw) {
728 wdata->power_raw = power_raw;
729 wdata->battery_capacity = batcap_i4[power_raw & 0x07];
730 wdata->ps_connected = power_raw & 0x08;
731 }
732
733 break;
734 default:
735 hid_err(hdev, "Unknown report: %d,%d size:%d\n",
736 data[0], data[1], size);
737 return 0;
738 }
739 }
740 return 1;
741}
742
743static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
744 struct hid_field *field, struct hid_usage *usage, unsigned long **bit,
745 int *max)
746{
747 struct input_dev *input = hi->input;
748
749 __set_bit(INPUT_PROP_POINTER, input->propbit);
750
751 /* Basics */
752 input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL);
753
754 __set_bit(REL_WHEEL, input->relbit);
755
756 __set_bit(BTN_TOOL_PEN, input->keybit);
757 __set_bit(BTN_TOUCH, input->keybit);
758 __set_bit(BTN_STYLUS, input->keybit);
759 __set_bit(BTN_STYLUS2, input->keybit);
760 __set_bit(BTN_LEFT, input->keybit);
761 __set_bit(BTN_RIGHT, input->keybit);
762 __set_bit(BTN_MIDDLE, input->keybit);
763
764 /* Pad */
765 input_set_capability(input, EV_MSC, MSC_SERIAL);
766
767 __set_bit(BTN_0, input->keybit);
768 __set_bit(BTN_1, input->keybit);
769 __set_bit(BTN_TOOL_FINGER, input->keybit);
770
771 /* Distance, rubber and mouse */
772 __set_bit(BTN_TOOL_RUBBER, input->keybit);
773 __set_bit(BTN_TOOL_MOUSE, input->keybit);
774
775 switch (hdev->product) {
776 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
777 input_set_abs_params(input, ABS_X, 0, 16704, 4, 0);
778 input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0);
779 input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0);
780 input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0);
781 break;
782 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
783 __set_bit(ABS_WHEEL, input->absbit);
784 __set_bit(ABS_MISC, input->absbit);
785 __set_bit(BTN_2, input->keybit);
786 __set_bit(BTN_3, input->keybit);
787 __set_bit(BTN_4, input->keybit);
788 __set_bit(BTN_5, input->keybit);
789 __set_bit(BTN_6, input->keybit);
790 __set_bit(BTN_7, input->keybit);
791 __set_bit(BTN_8, input->keybit);
792 input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0);
793 input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
794 input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
795 input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
796 input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0);
797 input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0);
798 input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0);
799 break;
800 }
801
802 return 0;
803}
804
805static int wacom_probe(struct hid_device *hdev,
806 const struct hid_device_id *id)
807{
808 struct wacom_data *wdata;
809 int ret;
810
811 wdata = kzalloc(sizeof(*wdata), GFP_KERNEL);
812 if (wdata == NULL) {
813 hid_err(hdev, "can't alloc wacom descriptor\n");
814 return -ENOMEM;
815 }
816
817 hid_set_drvdata(hdev, wdata);
818
819 /* Parse the HID report now */
820 ret = hid_parse(hdev);
821 if (ret) {
822 hid_err(hdev, "parse failed\n");
823 goto err_free;
824 }
825
826 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
827 if (ret) {
828 hid_err(hdev, "hw start failed\n");
829 goto err_free;
830 }
831
832 ret = device_create_file(&hdev->dev, &dev_attr_speed);
833 if (ret)
834 hid_warn(hdev,
835 "can't create sysfs speed attribute err: %d\n", ret);
836
837#define OLED_INIT(OLED_ID) \
838 do { \
839 ret = device_create_file(&hdev->dev, \
840 &dev_attr_oled##OLED_ID##_img); \
841 if (ret) \
842 hid_warn(hdev, \
843 "can't create sysfs oled attribute, err: %d\n", ret);\
844 } while (0)
845
846OLED_INIT(0);
847OLED_INIT(1);
848OLED_INIT(2);
849OLED_INIT(3);
850OLED_INIT(4);
851OLED_INIT(5);
852OLED_INIT(6);
853OLED_INIT(7);
854
855 wdata->features = 0;
856 wacom_set_features(hdev, 1);
857
858 if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) {
859 sprintf(hdev->name, "%s", "Wacom Intuos4 WL");
860 ret = wacom_initialize_leds(hdev);
861 if (ret)
862 hid_warn(hdev,
863 "can't create led attribute, err: %d\n", ret);
864 }
865
866 wdata->battery.properties = wacom_battery_props;
867 wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props);
868 wdata->battery.get_property = wacom_battery_get_property;
869 wdata->battery.name = "wacom_battery";
870 wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
871 wdata->battery.use_for_apm = 0;
872
873
874 ret = power_supply_register(&hdev->dev, &wdata->battery);
875 if (ret) {
876 hid_err(hdev, "can't create sysfs battery attribute, err: %d\n",
877 ret);
878 goto err_battery;
879 }
880
881 power_supply_powers(&wdata->battery, &hdev->dev);
882
883 wdata->ac.properties = wacom_ac_props;
884 wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
885 wdata->ac.get_property = wacom_ac_get_property;
886 wdata->ac.name = "wacom_ac";
887 wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
888 wdata->ac.use_for_apm = 0;
889
890 ret = power_supply_register(&hdev->dev, &wdata->ac);
891 if (ret) {
892 hid_err(hdev,
893 "can't create ac battery attribute, err: %d\n", ret);
894 goto err_ac;
895 }
896
897 power_supply_powers(&wdata->ac, &hdev->dev);
898 return 0;
899
900err_ac:
901 power_supply_unregister(&wdata->battery);
902err_battery:
903 wacom_destroy_leds(hdev);
904 device_remove_file(&hdev->dev, &dev_attr_oled0_img);
905 device_remove_file(&hdev->dev, &dev_attr_oled1_img);
906 device_remove_file(&hdev->dev, &dev_attr_oled2_img);
907 device_remove_file(&hdev->dev, &dev_attr_oled3_img);
908 device_remove_file(&hdev->dev, &dev_attr_oled4_img);
909 device_remove_file(&hdev->dev, &dev_attr_oled5_img);
910 device_remove_file(&hdev->dev, &dev_attr_oled6_img);
911 device_remove_file(&hdev->dev, &dev_attr_oled7_img);
912 device_remove_file(&hdev->dev, &dev_attr_speed);
913 hid_hw_stop(hdev);
914err_free:
915 kfree(wdata);
916 return ret;
917}
918
919static void wacom_remove(struct hid_device *hdev)
920{
921 struct wacom_data *wdata = hid_get_drvdata(hdev);
922
923 wacom_destroy_leds(hdev);
924 device_remove_file(&hdev->dev, &dev_attr_oled0_img);
925 device_remove_file(&hdev->dev, &dev_attr_oled1_img);
926 device_remove_file(&hdev->dev, &dev_attr_oled2_img);
927 device_remove_file(&hdev->dev, &dev_attr_oled3_img);
928 device_remove_file(&hdev->dev, &dev_attr_oled4_img);
929 device_remove_file(&hdev->dev, &dev_attr_oled5_img);
930 device_remove_file(&hdev->dev, &dev_attr_oled6_img);
931 device_remove_file(&hdev->dev, &dev_attr_oled7_img);
932 device_remove_file(&hdev->dev, &dev_attr_speed);
933 hid_hw_stop(hdev);
934
935 power_supply_unregister(&wdata->battery);
936 power_supply_unregister(&wdata->ac);
937 kfree(hid_get_drvdata(hdev));
938}
939
940static const struct hid_device_id wacom_devices[] = {
941 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
942 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
943
944 { }
945};
946MODULE_DEVICE_TABLE(hid, wacom_devices);
947
948static struct hid_driver wacom_driver = {
949 .name = "wacom",
950 .id_table = wacom_devices,
951 .probe = wacom_probe,
952 .remove = wacom_remove,
953 .raw_event = wacom_raw_event,
954 .input_mapped = wacom_input_mapped,
955};
956module_hid_driver(wacom_driver);
957
958MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL");
959MODULE_LICENSE("GPL");