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HID: wacom: Move Graphire raport header check.
[linux-block.git] / drivers / hid / hid-wacom.c
CommitLineData
ca2dcd40
BN		 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>
78761ff9 12 * Copyright (c) 2011 Przemysław Firszt <przemo@firszt.eu>
ca2dcd40
BN		 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
4291ee30
JP		 22#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
23
ca2dcd40
BN		 24#include <linux/device.h>
25#include <linux/hid.h>
26#include <linux/module.h>
d13f5454 27#include <linux/leds.h>
5a0e3ad6 28#include <linux/slab.h>
59d2334a 29#include <linux/power_supply.h>
ca2dcd40
BN		 30
31#include "hid-ids.h"
32
6245bde2
PF		 33#define PAD_DEVICE_ID 0x0F
34
d13f5454
PF		 35#define WAC_CMD_LED_CONTROL 0x20
36
ca2dcd40
BN		 37struct wacom_data {
38 __u16 tool;
6245bde2 39 __u16 butstate;
7e503a37 40 __u8 whlstate;
78761ff9 41 __u8 features;
2470900b
PF		 42 __u32 id;
43 __u32 serial;
20a3ce7e 44 unsigned char high_speed;
e31e3832
PF		 45 __u8 battery_capacity;
46 __u8 power_raw;
47 __u8 ps_connected;
59d2334a
PF		 48 struct power_supply battery;
49 struct power_supply ac;
d13f5454
PF		 50 __u8 led_selector;
51 struct led_classdev *leds[4];
ca2dcd40
BN		 52};
53
e31e3832
PF		 54/*percent of battery capacity for Graphire
55 8th value means AC online and show 100% capacity */
56static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 };
4202f1de
PF		 57/*percent of battery capacity for Intuos4 WL, AC has a separate bit*/
58static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 };
59d2334a
PF		 59
60static enum power_supply_property wacom_battery_props[] = {
61 POWER_SUPPLY_PROP_PRESENT,
73db8813
JF		 62 POWER_SUPPLY_PROP_CAPACITY,
63 POWER_SUPPLY_PROP_SCOPE,
59d2334a
PF		 64};
65
66static enum power_supply_property wacom_ac_props[] = {
67 POWER_SUPPLY_PROP_PRESENT,
73db8813
JF		 68 POWER_SUPPLY_PROP_ONLINE,
69 POWER_SUPPLY_PROP_SCOPE,
59d2334a
PF		 70};
71
d13f5454
PF		 72static 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
102static 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
122static 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
162err:
163 return ret;
164}
165
166static 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
59d2334a
PF		 183static 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);
59d2334a
PF		 189 int ret = 0;
190
191 switch (psp) {
192 case POWER_SUPPLY_PROP_PRESENT:
193 val->intval = 1;
194 break;
73db8813
JF		 195 case POWER_SUPPLY_PROP_SCOPE:
196 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
197 break;
59d2334a 198 case POWER_SUPPLY_PROP_CAPACITY:
e31e3832 199 val->intval = wdata->battery_capacity;
59d2334a
PF		 200 break;
201 default:
202 ret = -EINVAL;
203 break;
204 }
205 return ret;
206}
207
208static 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);
59d2334a
PF		 213 int ret = 0;
214
215 switch (psp) {
216 case POWER_SUPPLY_PROP_PRESENT:
217 /* fall through */
218 case POWER_SUPPLY_PROP_ONLINE:
e31e3832 219 val->intval = wdata->ps_connected;
59d2334a 220 break;
73db8813
JF		 221 case POWER_SUPPLY_PROP_SCOPE:
222 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
223 break;
59d2334a
PF		 224 default:
225 ret = -EINVAL;
226 break;
227 }
228 return ret;
229}
59d2334a 230
78761ff9
PF		 231static void wacom_set_features(struct hid_device *hdev)
232{
233 int ret;
234 __u8 rep_data[2];
235
236 /*set high speed, tablet mode*/
237 rep_data[0] = 0x03;
238 rep_data[1] = 0x20;
239 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
240 HID_FEATURE_REPORT);
241 return;
242}
243
06c7c313
PF		 244static void wacom_poke(struct hid_device *hdev, u8 speed)
245{
20a3ce7e 246 struct wacom_data *wdata = hid_get_drvdata(hdev);
06c7c313
PF		 247 int limit, ret;
248 char rep_data[2];
249
250 rep_data[0] = 0x03 ; rep_data[1] = 0x00;
251 limit = 3;
252 do {
253 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
254 HID_FEATURE_REPORT);
255 } while (ret < 0 && limit-- > 0);
256
257 if (ret >= 0) {
258 if (speed == 0)
259 rep_data[0] = 0x05;
260 else
261 rep_data[0] = 0x06;
262
263 rep_data[1] = 0x00;
264 limit = 3;
265 do {
266 ret = hdev->hid_output_raw_report(hdev, rep_data, 2,
267 HID_FEATURE_REPORT);
268 } while (ret < 0 && limit-- > 0);
269
20a3ce7e
PF		 270 if (ret >= 0) {
271 wdata->high_speed = speed;
06c7c313 272 return;
20a3ce7e 273 }
06c7c313
PF		 274 }
275
276 /*
277 * Note that if the raw queries fail, it's not a hard failure and it
278 * is safe to continue
279 */
4291ee30
JP		 280 hid_warn(hdev, "failed to poke device, command %d, err %d\n",
281 rep_data[0], ret);
06c7c313
PF		 282 return;
283}
284
20a3ce7e
PF		 285static ssize_t wacom_show_speed(struct device *dev,
286 struct device_attribute
287 *attr, char *buf)
288{
289 struct wacom_data *wdata = dev_get_drvdata(dev);
290
291 return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed);
292}
293
294static ssize_t wacom_store_speed(struct device *dev,
295 struct device_attribute *attr,
296 const char *buf, size_t count)
297{
298 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
299 int new_speed;
300
301 if (sscanf(buf, "%1d", &new_speed ) != 1)
302 return -EINVAL;
303
304 if (new_speed == 0 || new_speed == 1) {
305 wacom_poke(hdev, new_speed);
306 return strnlen(buf, PAGE_SIZE);
307 } else
308 return -EINVAL;
309}
310
edd2126a 311static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP,
20a3ce7e
PF		 312 wacom_show_speed, wacom_store_speed);
313
f6b7efc1
PF		 314static int wacom_gr_parse_report(struct hid_device *hdev,
315 struct wacom_data *wdata,
316 struct input_dev *input, unsigned char *data)
ca2dcd40 317{
ca2dcd40
BN		 318 int tool, x, y, rw;
319
ca2dcd40 320 tool = 0;
ca2dcd40
BN		 321 /* Get X & Y positions */
322 x = le16_to_cpu(*(__le16 *) &data[2]);
323 y = le16_to_cpu(*(__le16 *) &data[4]);
324
325 /* Get current tool identifier */
326 if (data[1] & 0x90) { /* If pen is in the in/active area */
327 switch ((data[1] >> 5) & 3) {
328 case 0: /* Pen */
329 tool = BTN_TOOL_PEN;
330 break;
331
332 case 1: /* Rubber */
333 tool = BTN_TOOL_RUBBER;
334 break;
335
336 case 2: /* Mouse with wheel */
337 case 3: /* Mouse without wheel */
338 tool = BTN_TOOL_MOUSE;
339 break;
340 }
341
342 /* Reset tool if out of active tablet area */
343 if (!(data[1] & 0x10))
344 tool = 0;
345 }
346
347 /* If tool changed, notify input subsystem */
348 if (wdata->tool != tool) {
349 if (wdata->tool) {
350 /* Completely reset old tool state */
351 if (wdata->tool == BTN_TOOL_MOUSE) {
352 input_report_key(input, BTN_LEFT, 0);
353 input_report_key(input, BTN_RIGHT, 0);
354 input_report_key(input, BTN_MIDDLE, 0);
355 input_report_abs(input, ABS_DISTANCE,
987a6c02 356 input_abs_get_max(input, ABS_DISTANCE));
ca2dcd40
BN		 357 } else {
358 input_report_key(input, BTN_TOUCH, 0);
359 input_report_key(input, BTN_STYLUS, 0);
360 input_report_key(input, BTN_STYLUS2, 0);
361 input_report_abs(input, ABS_PRESSURE, 0);
362 }
363 input_report_key(input, wdata->tool, 0);
364 input_sync(input);
365 }
366 wdata->tool = tool;
367 if (tool)
368 input_report_key(input, tool, 1);
369 }
370
371 if (tool) {
372 input_report_abs(input, ABS_X, x);
373 input_report_abs(input, ABS_Y, y);
374
375 switch ((data[1] >> 5) & 3) {
376 case 2: /* Mouse with wheel */
377 input_report_key(input, BTN_MIDDLE, data[1] & 0x04);
378 rw = (data[6] & 0x01) ? -1 :
379 (data[6] & 0x02) ? 1 : 0;
380 input_report_rel(input, REL_WHEEL, rw);
381 /* fall through */
382
383 case 3: /* Mouse without wheel */
384 input_report_key(input, BTN_LEFT, data[1] & 0x01);
385 input_report_key(input, BTN_RIGHT, data[1] & 0x02);
386 /* Compute distance between mouse and tablet */
387 rw = 44 - (data[6] >> 2);
388 if (rw < 0)
389 rw = 0;
390 else if (rw > 31)
391 rw = 31;
392 input_report_abs(input, ABS_DISTANCE, rw);
393 break;
394
395 default:
396 input_report_abs(input, ABS_PRESSURE,
397 data[6] | (((__u16) (data[1] & 0x08)) << 5));
398 input_report_key(input, BTN_TOUCH, data[1] & 0x01);
399 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
400 input_report_key(input, BTN_STYLUS2, (tool == BTN_TOOL_PEN) && data[1] & 0x04);
401 break;
402 }
403
404 input_sync(input);
405 }
406
407 /* Report the state of the two buttons at the top of the tablet
408 * as two extra fingerpad keys (buttons 4 & 5). */
409 rw = data[7] & 0x03;
410 if (rw != wdata->butstate) {
411 wdata->butstate = rw;
412 input_report_key(input, BTN_0, rw & 0x02);
413 input_report_key(input, BTN_1, rw & 0x01);
0e253fdb 414 input_report_key(input, BTN_TOOL_FINGER, 0xf0);
ca2dcd40
BN		 415 input_event(input, EV_MSC, MSC_SERIAL, 0xf0);
416 input_sync(input);
417 }
418
e31e3832 419 /* Store current battery capacity and power supply state*/
59d2334a 420 rw = (data[7] >> 2 & 0x07);
e31e3832
PF		 421 if (rw != wdata->power_raw) {
422 wdata->power_raw = rw;
423 wdata->battery_capacity = batcap_gr[rw];
424 if (rw == 7)
425 wdata->ps_connected = 1;
426 else
427 wdata->ps_connected = 0;
428 }
ca2dcd40
BN		 429 return 1;
430}
78761ff9 431
6245bde2
PF		 432static void wacom_i4_parse_button_report(struct wacom_data *wdata,
433 struct input_dev *input, unsigned char *data)
434{
435 __u16 new_butstate;
7e503a37
PF		 436 __u8 new_whlstate;
437 __u8 sync = 0;
438
439 new_whlstate = data[1];
440 if (new_whlstate != wdata->whlstate) {
441 wdata->whlstate = new_whlstate;
442 if (new_whlstate & 0x80) {
443 input_report_key(input, BTN_TOUCH, 1);
444 input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f));
445 input_report_key(input, BTN_TOOL_FINGER, 1);
446 } else {
447 input_report_key(input, BTN_TOUCH, 0);
448 input_report_abs(input, ABS_WHEEL, 0);
449 input_report_key(input, BTN_TOOL_FINGER, 0);
450 }
451 sync = 1;
452 }
6245bde2
PF		 453
454 new_butstate = (data[3] << 1) | (data[2] & 0x01);
455 if (new_butstate != wdata->butstate) {
456 wdata->butstate = new_butstate;
457 input_report_key(input, BTN_0, new_butstate & 0x001);
458 input_report_key(input, BTN_1, new_butstate & 0x002);
459 input_report_key(input, BTN_2, new_butstate & 0x004);
460 input_report_key(input, BTN_3, new_butstate & 0x008);
461 input_report_key(input, BTN_4, new_butstate & 0x010);
462 input_report_key(input, BTN_5, new_butstate & 0x020);
463 input_report_key(input, BTN_6, new_butstate & 0x040);
464 input_report_key(input, BTN_7, new_butstate & 0x080);
465 input_report_key(input, BTN_8, new_butstate & 0x100);
466 input_report_key(input, BTN_TOOL_FINGER, 1);
7e503a37
PF		 467 sync = 1;
468 }
469
470 if (sync) {
6245bde2
PF		 471 input_report_abs(input, ABS_MISC, PAD_DEVICE_ID);
472 input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff);
473 input_sync(input);
474 }
475}
476
78761ff9
PF		 477static void wacom_i4_parse_pen_report(struct wacom_data *wdata,
478 struct input_dev *input, unsigned char *data)
479{
480 __u16 x, y, pressure;
e0829e9c 481 __u8 distance;
c653daba 482 __u8 tilt_x, tilt_y;
78761ff9
PF		 483
484 switch (data[1]) {
485 case 0x80: /* Out of proximity report */
78761ff9
PF		 486 input_report_key(input, BTN_TOUCH, 0);
487 input_report_abs(input, ABS_PRESSURE, 0);
693f45bb
PF		 488 input_report_key(input, BTN_STYLUS, 0);
489 input_report_key(input, BTN_STYLUS2, 0);
78761ff9 490 input_report_key(input, wdata->tool, 0);
2470900b
PF		 491 input_report_abs(input, ABS_MISC, 0);
492 input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
32db737f 493 wdata->tool = 0;
78761ff9
PF		 494 input_sync(input);
495 break;
496 case 0xC2: /* Tool report */
2470900b 497 wdata->id = ((data[2] << 4) | (data[3] >> 4) |
78761ff9 498 ((data[7] & 0x0f) << 20) |
2470900b
PF		 499 ((data[8] & 0xf0) << 12));
500 wdata->serial = ((data[3] & 0x0f) << 28) +
501 (data[4] << 20) + (data[5] << 12) +
502 (data[6] << 4) + (data[7] >> 4);
78761ff9 503
2470900b
PF		 504 switch (wdata->id) {
505 case 0x100802:
78761ff9
PF		 506 wdata->tool = BTN_TOOL_PEN;
507 break;
2470900b 508 case 0x10080A:
78761ff9
PF		 509 wdata->tool = BTN_TOOL_RUBBER;
510 break;
511 }
512 break;
513 default: /* Position/pressure report */
514 x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1);
515 y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01);
516 pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5)
517 | (data[1] & 0x01);
e0829e9c 518 distance = (data[9] >> 2) & 0x3f;
c653daba
PF		 519 tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7);
520 tilt_y = data[8] & 0x7f;
78761ff9
PF		 521
522 input_report_key(input, BTN_TOUCH, pressure > 1);
523
524 input_report_key(input, BTN_STYLUS, data[1] & 0x02);
525 input_report_key(input, BTN_STYLUS2, data[1] & 0x04);
526 input_report_key(input, wdata->tool, 1);
527 input_report_abs(input, ABS_X, x);
528 input_report_abs(input, ABS_Y, y);
529 input_report_abs(input, ABS_PRESSURE, pressure);
e0829e9c 530 input_report_abs(input, ABS_DISTANCE, distance);
c653daba
PF		 531 input_report_abs(input, ABS_TILT_X, tilt_x);
532 input_report_abs(input, ABS_TILT_Y, tilt_y);
2470900b
PF		 533 input_report_abs(input, ABS_MISC, wdata->id);
534 input_event(input, EV_MSC, MSC_SERIAL, wdata->serial);
535 input_report_key(input, wdata->tool, 1);
78761ff9
PF		 536 input_sync(input);
537 break;
538 }
539
540 return;
541}
542
543static void wacom_i4_parse_report(struct hid_device *hdev,
544 struct wacom_data *wdata,
545 struct input_dev *input, unsigned char *data)
546{
547 switch (data[0]) {
548 case 0x00: /* Empty report */
549 break;
550 case 0x02: /* Pen report */
551 wacom_i4_parse_pen_report(wdata, input, data);
552 break;
553 case 0x03: /* Features Report */
554 wdata->features = data[2];
555 break;
556 case 0x0C: /* Button report */
6245bde2 557 wacom_i4_parse_button_report(wdata, input, data);
78761ff9
PF		 558 break;
559 default:
560 hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]);
561 break;
562 }
563}
564
f6b7efc1
PF		 565static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report,
566 u8 *raw_data, int size)
567{
568 struct wacom_data *wdata = hid_get_drvdata(hdev);
569 struct hid_input *hidinput;
570 struct input_dev *input;
571 unsigned char *data = (unsigned char *) raw_data;
78761ff9 572 int i;
4202f1de 573 __u8 power_raw;
f6b7efc1
PF		 574
575 if (!(hdev->claimed & HID_CLAIMED_INPUT))
576 return 0;
577
578 hidinput = list_entry(hdev->inputs.next, struct hid_input, list);
579 input = hidinput->input;
580
78761ff9
PF		 581 switch (hdev->product) {
582 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
163a6ae1
PF		 583 if (data[0] == 0x03) {
584 return wacom_gr_parse_report(hdev, wdata, input, data);
585 } else {
586 hid_err(hdev, "Unknown report: %d,%d size:%d\n",
587 data[0], data[1], size);
588 return 0;
589 }
78761ff9
PF		 590 break;
591 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
592 i = 1;
593
594 switch (data[0]) {
595 case 0x04:
596 wacom_i4_parse_report(hdev, wdata, input, data + i);
597 i += 10;
598 /* fall through */
599 case 0x03:
600 wacom_i4_parse_report(hdev, wdata, input, data + i);
601 i += 10;
602 wacom_i4_parse_report(hdev, wdata, input, data + i);
4202f1de
PF		 603 power_raw = data[i+10];
604 if (power_raw != wdata->power_raw) {
605 wdata->power_raw = power_raw;
606 wdata->battery_capacity = batcap_i4[power_raw & 0x07];
607 wdata->ps_connected = power_raw & 0x08;
608 }
609
78761ff9
PF		 610 break;
611 default:
612 hid_err(hdev, "Unknown report: %d,%d size:%d\n",
613 data[0], data[1], size);
614 return 0;
615 }
616 }
617 return 1;
f6b7efc1 618}
ca2dcd40 619
3797ef6b
DH		 620static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi,
621 struct hid_field *field, struct hid_usage *usage, unsigned long **bit,
622 int *max)
623{
624 struct input_dev *input = hi->input;
625
f6f12427
JK		 626 __set_bit(INPUT_PROP_POINTER, input->propbit);
627
3797ef6b
DH		 628 /* Basics */
629 input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL);
630
631 __set_bit(REL_WHEEL, input->relbit);
632
633 __set_bit(BTN_TOOL_PEN, input->keybit);
634 __set_bit(BTN_TOUCH, input->keybit);
635 __set_bit(BTN_STYLUS, input->keybit);
636 __set_bit(BTN_STYLUS2, input->keybit);
637 __set_bit(BTN_LEFT, input->keybit);
638 __set_bit(BTN_RIGHT, input->keybit);
639 __set_bit(BTN_MIDDLE, input->keybit);
640
641 /* Pad */
9a911da8 642 input_set_capability(input, EV_MSC, MSC_SERIAL);
3797ef6b
DH		 643
644 __set_bit(BTN_0, input->keybit);
645 __set_bit(BTN_1, input->keybit);
646 __set_bit(BTN_TOOL_FINGER, input->keybit);
647
648 /* Distance, rubber and mouse */
649 __set_bit(BTN_TOOL_RUBBER, input->keybit);
650 __set_bit(BTN_TOOL_MOUSE, input->keybit);
651
78761ff9
PF		 652 switch (hdev->product) {
653 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
654 input_set_abs_params(input, ABS_X, 0, 16704, 4, 0);
655 input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0);
656 input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0);
657 input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0);
658 break;
659 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
7e503a37 660 __set_bit(ABS_WHEEL, input->absbit);
2c653e6b 661 __set_bit(ABS_MISC, input->absbit);
6245bde2
PF		 662 __set_bit(BTN_2, input->keybit);
663 __set_bit(BTN_3, input->keybit);
664 __set_bit(BTN_4, input->keybit);
665 __set_bit(BTN_5, input->keybit);
666 __set_bit(BTN_6, input->keybit);
667 __set_bit(BTN_7, input->keybit);
668 __set_bit(BTN_8, input->keybit);
7e503a37 669 input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0);
78761ff9
PF		 670 input_set_abs_params(input, ABS_X, 0, 40640, 4, 0);
671 input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0);
672 input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0);
e0829e9c 673 input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0);
c653daba
PF		 674 input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0);
675 input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0);
78761ff9
PF		 676 break;
677 }
3797ef6b
DH		 678
679 return 0;
680}
681
ca2dcd40
BN		 682static int wacom_probe(struct hid_device *hdev,
683 const struct hid_device_id *id)
684{
ca2dcd40
BN		 685 struct wacom_data *wdata;
686 int ret;
687
688 wdata = kzalloc(sizeof(*wdata), GFP_KERNEL);
689 if (wdata == NULL) {
4291ee30 690 hid_err(hdev, "can't alloc wacom descriptor\n");
ca2dcd40
BN		 691 return -ENOMEM;
692 }
693
694 hid_set_drvdata(hdev, wdata);
695
46a709b9 696 /* Parse the HID report now */
ca2dcd40
BN		 697 ret = hid_parse(hdev);
698 if (ret) {
4291ee30 699 hid_err(hdev, "parse failed\n");
ca2dcd40
BN		 700 goto err_free;
701 }
702
703 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
704 if (ret) {
4291ee30 705 hid_err(hdev, "hw start failed\n");
ca2dcd40
BN		 706 goto err_free;
707 }
708
20a3ce7e
PF		 709 ret = device_create_file(&hdev->dev, &dev_attr_speed);
710 if (ret)
4291ee30
JP		 711 hid_warn(hdev,
712 "can't create sysfs speed attribute err: %d\n", ret);
342f31e8 713
78761ff9
PF		 714 switch (hdev->product) {
715 case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH:
716 /* Set Wacom mode 2 with high reporting speed */
717 wacom_poke(hdev, 1);
718 break;
719 case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH:
a72c5ddb 720 sprintf(hdev->name, "%s", "Wacom Intuos4 WL");
78761ff9
PF		 721 wdata->features = 0;
722 wacom_set_features(hdev);
d13f5454
PF		 723 ret = wacom_initialize_leds(hdev);
724 if (ret) {
725 hid_warn(hdev,
726 "can't create led attribute, err: %d\n", ret);
727 goto destroy_leds;
728 }
78761ff9
PF		 729 break;
730 }
46a709b9 731
59d2334a
PF		 732 wdata->battery.properties = wacom_battery_props;
733 wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props);
734 wdata->battery.get_property = wacom_battery_get_property;
735 wdata->battery.name = "wacom_battery";
736 wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY;
737 wdata->battery.use_for_apm = 0;
46a709b9 738
35b4c01e 739
59d2334a
PF		 740 ret = power_supply_register(&hdev->dev, &wdata->battery);
741 if (ret) {
4291ee30
JP		 742 hid_warn(hdev, "can't create sysfs battery attribute, err: %d\n",
743 ret);
dde58cfc 744 goto err_battery;
59d2334a
PF		 745 }
746
d7cb3dbd
PF		 747 power_supply_powers(&wdata->battery, &hdev->dev);
748
59d2334a
PF		 749 wdata->ac.properties = wacom_ac_props;
750 wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props);
751 wdata->ac.get_property = wacom_ac_get_property;
752 wdata->ac.name = "wacom_ac";
753 wdata->ac.type = POWER_SUPPLY_TYPE_MAINS;
754 wdata->ac.use_for_apm = 0;
755
756 ret = power_supply_register(&hdev->dev, &wdata->ac);
757 if (ret) {
4291ee30
JP		 758 hid_warn(hdev,
759 "can't create ac battery attribute, err: %d\n", ret);
dde58cfc 760 goto err_ac;
59d2334a 761 }
d7cb3dbd
PF		 762
763 power_supply_powers(&wdata->ac, &hdev->dev);
ca2dcd40 764 return 0;
987a6c02 765
dde58cfc
DH		 766err_ac:
767 power_supply_unregister(&wdata->battery);
768err_battery:
769 device_remove_file(&hdev->dev, &dev_attr_speed);
770 hid_hw_stop(hdev);
d13f5454
PF		 771destroy_leds:
772 wacom_destroy_leds(hdev);
ca2dcd40
BN		 773err_free:
774 kfree(wdata);
775 return ret;
776}
777
778static void wacom_remove(struct hid_device *hdev)
779{
59d2334a 780 struct wacom_data *wdata = hid_get_drvdata(hdev);
d13f5454
PF		 781
782 wacom_destroy_leds(hdev);
9086617e 783 device_remove_file(&hdev->dev, &dev_attr_speed);
ca2dcd40 784 hid_hw_stop(hdev);
59d2334a 785
59d2334a
PF		 786 power_supply_unregister(&wdata->battery);
787 power_supply_unregister(&wdata->ac);
ca2dcd40
BN		 788 kfree(hid_get_drvdata(hdev));
789}
790
791static const struct hid_device_id wacom_devices[] = {
792 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
78761ff9 793 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
d5e0a06f 794
ca2dcd40
BN		 795 { }
796};
797MODULE_DEVICE_TABLE(hid, wacom_devices);
798
799static struct hid_driver wacom_driver = {
800 .name = "wacom",
801 .id_table = wacom_devices,
802 .probe = wacom_probe,
803 .remove = wacom_remove,
804 .raw_event = wacom_raw_event,
3797ef6b 805 .input_mapped = wacom_input_mapped,
ca2dcd40
BN		 806};
807
a24f423b 808static int __init wacom_init(void)
ca2dcd40
BN		 809{
810 int ret;
811
812 ret = hid_register_driver(&wacom_driver);
813 if (ret)
4291ee30 814 pr_err("can't register wacom driver\n");
ca2dcd40
BN		 815 return ret;
816}
817
a24f423b 818static void __exit wacom_exit(void)
ca2dcd40
BN		 819{
820 hid_unregister_driver(&wacom_driver);
821}
822
823module_init(wacom_init);
824module_exit(wacom_exit);
1fa2f722 825MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL");
ca2dcd40 826MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)