Commit | Line | Data |
---|---|---|
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 | |
ca2dcd40 BN |
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> | |
78761ff9 | 11 | * Copyright (c) 2011 Przemysław Firszt <przemo@firszt.eu> |
ca2dcd40 BN |
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 | ||
4291ee30 JP |
21 | #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt |
22 | ||
ca2dcd40 BN |
23 | #include <linux/device.h> |
24 | #include <linux/hid.h> | |
25 | #include <linux/module.h> | |
d13f5454 | 26 | #include <linux/leds.h> |
5a0e3ad6 | 27 | #include <linux/slab.h> |
59d2334a | 28 | #include <linux/power_supply.h> |
ca2dcd40 BN |
29 | |
30 | #include "hid-ids.h" | |
31 | ||
6245bde2 PF |
32 | #define PAD_DEVICE_ID 0x0F |
33 | ||
d13f5454 | 34 | #define WAC_CMD_LED_CONTROL 0x20 |
e3c399ee PF |
35 | #define WAC_CMD_ICON_START_STOP 0x21 |
36 | #define WAC_CMD_ICON_TRANSFER 0x26 | |
d13f5454 | 37 | |
ca2dcd40 BN |
38 | struct wacom_data { |
39 | __u16 tool; | |
6245bde2 | 40 | __u16 butstate; |
7e503a37 | 41 | __u8 whlstate; |
78761ff9 | 42 | __u8 features; |
2470900b PF |
43 | __u32 id; |
44 | __u32 serial; | |
20a3ce7e | 45 | unsigned char high_speed; |
e31e3832 PF |
46 | __u8 battery_capacity; |
47 | __u8 power_raw; | |
48 | __u8 ps_connected; | |
59d2334a PF |
49 | struct power_supply battery; |
50 | struct power_supply ac; | |
d13f5454 PF |
51 | __u8 led_selector; |
52 | struct led_classdev *leds[4]; | |
ca2dcd40 BN |
53 | }; |
54 | ||
e31e3832 PF |
55 | /*percent of battery capacity for Graphire |
56 | 8th value means AC online and show 100% capacity */ | |
57 | static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 }; | |
4202f1de PF |
58 | /*percent of battery capacity for Intuos4 WL, AC has a separate bit*/ |
59 | static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 }; | |
59d2334a PF |
60 | |
61 | static enum power_supply_property wacom_battery_props[] = { | |
62 | POWER_SUPPLY_PROP_PRESENT, | |
73db8813 JF |
63 | POWER_SUPPLY_PROP_CAPACITY, |
64 | POWER_SUPPLY_PROP_SCOPE, | |
59d2334a PF |
65 | }; |
66 | ||
67 | static enum power_supply_property wacom_ac_props[] = { | |
68 | POWER_SUPPLY_PROP_PRESENT, | |
73db8813 JF |
69 | POWER_SUPPLY_PROP_ONLINE, |
70 | POWER_SUPPLY_PROP_SCOPE, | |
59d2334a PF |
71 | }; |
72 | ||
e3c399ee PF |
73 | static 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 | ||
117 | static 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 | ||
154 | err: | |
155 | return; | |
156 | } | |
157 | ||
d13f5454 PF |
158 | static 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; | |
530a76c1 PF |
180 | buf[2] = value >> 2; |
181 | buf[3] = value; | |
e3c399ee PF |
182 | /* use fixed brightness for OLEDs */ |
183 | buf[4] = 0x08; | |
d13f5454 PF |
184 | hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT); |
185 | kfree(buf); | |
186 | } | |
187 | ||
188 | return; | |
189 | } | |
190 | ||
191 | static 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 | ||
211 | static 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 | ||
251 | err: | |
252 | return ret; | |
253 | } | |
254 | ||
255 | static 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 | ||
59d2334a PF |
272 | static 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); | |
59d2334a PF |
278 | int ret = 0; |
279 | ||
280 | switch (psp) { | |
281 | case POWER_SUPPLY_PROP_PRESENT: | |
282 | val->intval = 1; | |
283 | break; | |
73db8813 JF |
284 | case POWER_SUPPLY_PROP_SCOPE: |
285 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
286 | break; | |
59d2334a | 287 | case POWER_SUPPLY_PROP_CAPACITY: |
e31e3832 | 288 | val->intval = wdata->battery_capacity; |
59d2334a PF |
289 | break; |
290 | default: | |
291 | ret = -EINVAL; | |
292 | break; | |
293 | } | |
294 | return ret; | |
295 | } | |
296 | ||
297 | static 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); | |
59d2334a PF |
302 | int ret = 0; |
303 | ||
304 | switch (psp) { | |
305 | case POWER_SUPPLY_PROP_PRESENT: | |
306 | /* fall through */ | |
307 | case POWER_SUPPLY_PROP_ONLINE: | |
e31e3832 | 308 | val->intval = wdata->ps_connected; |
59d2334a | 309 | break; |
73db8813 JF |
310 | case POWER_SUPPLY_PROP_SCOPE: |
311 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
312 | break; | |
59d2334a PF |
313 | default: |
314 | ret = -EINVAL; | |
315 | break; | |
316 | } | |
317 | return ret; | |
318 | } | |
59d2334a | 319 | |
be4925b0 | 320 | static void wacom_set_features(struct hid_device *hdev, u8 speed) |
06c7c313 | 321 | { |
20a3ce7e | 322 | struct wacom_data *wdata = hid_get_drvdata(hdev); |
06c7c313 | 323 | int limit, ret; |
d70a2ffe | 324 | __u8 rep_data[2]; |
06c7c313 | 325 | |
d70a2ffe PF |
326 | switch (hdev->product) { |
327 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
328 | rep_data[0] = 0x03 ; rep_data[1] = 0x00; | |
06c7c313 PF |
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 | ||
20a3ce7e | 335 | if (ret >= 0) { |
d70a2ffe PF |
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 | } | |
20a3ce7e | 352 | } |
d70a2ffe PF |
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; | |
06c7c313 PF |
375 | } |
376 | ||
06c7c313 PF |
377 | return; |
378 | } | |
379 | ||
20a3ce7e PF |
380 | static 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 | ||
389 | static 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) { | |
d70a2ffe | 400 | wacom_set_features(hdev, new_speed); |
20a3ce7e PF |
401 | return strnlen(buf, PAGE_SIZE); |
402 | } else | |
403 | return -EINVAL; | |
404 | } | |
405 | ||
edd2126a | 406 | static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP, |
20a3ce7e PF |
407 | wacom_show_speed, wacom_store_speed); |
408 | ||
e3c399ee PF |
409 | #define WACOM_STORE(OLED_ID) \ |
410 | static 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 | \ | |
425 | static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \ | |
426 | wacom_oled##OLED_ID##_store) | |
427 | ||
428 | WACOM_STORE(0); | |
429 | WACOM_STORE(1); | |
430 | WACOM_STORE(2); | |
431 | WACOM_STORE(3); | |
432 | WACOM_STORE(4); | |
433 | WACOM_STORE(5); | |
434 | WACOM_STORE(6); | |
435 | WACOM_STORE(7); | |
436 | ||
f6b7efc1 PF |
437 | static int wacom_gr_parse_report(struct hid_device *hdev, |
438 | struct wacom_data *wdata, | |
439 | struct input_dev *input, unsigned char *data) | |
ca2dcd40 | 440 | { |
ca2dcd40 BN |
441 | int tool, x, y, rw; |
442 | ||
ca2dcd40 | 443 | tool = 0; |
ca2dcd40 BN |
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, | |
987a6c02 | 479 | input_abs_get_max(input, ABS_DISTANCE)); |
ca2dcd40 BN |
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); | |
0e253fdb | 537 | input_report_key(input, BTN_TOOL_FINGER, 0xf0); |
ca2dcd40 BN |
538 | input_event(input, EV_MSC, MSC_SERIAL, 0xf0); |
539 | input_sync(input); | |
540 | } | |
541 | ||
e31e3832 | 542 | /* Store current battery capacity and power supply state*/ |
59d2334a | 543 | rw = (data[7] >> 2 & 0x07); |
e31e3832 PF |
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 | } | |
ca2dcd40 BN |
552 | return 1; |
553 | } | |
78761ff9 | 554 | |
6245bde2 PF |
555 | static void wacom_i4_parse_button_report(struct wacom_data *wdata, |
556 | struct input_dev *input, unsigned char *data) | |
557 | { | |
558 | __u16 new_butstate; | |
7e503a37 PF |
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 | } | |
6245bde2 PF |
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); | |
7e503a37 PF |
590 | sync = 1; |
591 | } | |
592 | ||
593 | if (sync) { | |
6245bde2 PF |
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 | ||
78761ff9 PF |
600 | static void wacom_i4_parse_pen_report(struct wacom_data *wdata, |
601 | struct input_dev *input, unsigned char *data) | |
602 | { | |
603 | __u16 x, y, pressure; | |
e0829e9c | 604 | __u8 distance; |
c653daba | 605 | __u8 tilt_x, tilt_y; |
78761ff9 PF |
606 | |
607 | switch (data[1]) { | |
608 | case 0x80: /* Out of proximity report */ | |
78761ff9 PF |
609 | input_report_key(input, BTN_TOUCH, 0); |
610 | input_report_abs(input, ABS_PRESSURE, 0); | |
693f45bb PF |
611 | input_report_key(input, BTN_STYLUS, 0); |
612 | input_report_key(input, BTN_STYLUS2, 0); | |
78761ff9 | 613 | input_report_key(input, wdata->tool, 0); |
2470900b PF |
614 | input_report_abs(input, ABS_MISC, 0); |
615 | input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); | |
32db737f | 616 | wdata->tool = 0; |
78761ff9 PF |
617 | input_sync(input); |
618 | break; | |
619 | case 0xC2: /* Tool report */ | |
2470900b | 620 | wdata->id = ((data[2] << 4) | (data[3] >> 4) | |
78761ff9 | 621 | ((data[7] & 0x0f) << 20) | |
2470900b PF |
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); | |
78761ff9 | 626 | |
2470900b PF |
627 | switch (wdata->id) { |
628 | case 0x100802: | |
78761ff9 PF |
629 | wdata->tool = BTN_TOOL_PEN; |
630 | break; | |
2470900b | 631 | case 0x10080A: |
78761ff9 PF |
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); | |
e0829e9c | 641 | distance = (data[9] >> 2) & 0x3f; |
c653daba PF |
642 | tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7); |
643 | tilt_y = data[8] & 0x7f; | |
78761ff9 PF |
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); | |
e0829e9c | 653 | input_report_abs(input, ABS_DISTANCE, distance); |
c653daba PF |
654 | input_report_abs(input, ABS_TILT_X, tilt_x); |
655 | input_report_abs(input, ABS_TILT_Y, tilt_y); | |
2470900b PF |
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); | |
78761ff9 PF |
659 | input_sync(input); |
660 | break; | |
661 | } | |
662 | ||
663 | return; | |
664 | } | |
665 | ||
666 | static 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 */ | |
6245bde2 | 680 | wacom_i4_parse_button_report(wdata, input, data); |
78761ff9 PF |
681 | break; |
682 | default: | |
683 | hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]); | |
684 | break; | |
685 | } | |
686 | } | |
687 | ||
f6b7efc1 PF |
688 | static 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; | |
78761ff9 | 695 | int i; |
4202f1de | 696 | __u8 power_raw; |
f6b7efc1 PF |
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 | ||
78761ff9 PF |
704 | switch (hdev->product) { |
705 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
163a6ae1 PF |
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 | } | |
78761ff9 PF |
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); | |
4202f1de PF |
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 | ||
78761ff9 PF |
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; | |
f6b7efc1 | 741 | } |
ca2dcd40 | 742 | |
3797ef6b DH |
743 | static 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 | ||
f6f12427 JK |
749 | __set_bit(INPUT_PROP_POINTER, input->propbit); |
750 | ||
3797ef6b DH |
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 */ | |
9a911da8 | 765 | input_set_capability(input, EV_MSC, MSC_SERIAL); |
3797ef6b DH |
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 | ||
78761ff9 PF |
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: | |
7e503a37 | 783 | __set_bit(ABS_WHEEL, input->absbit); |
2c653e6b | 784 | __set_bit(ABS_MISC, input->absbit); |
6245bde2 PF |
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); | |
7e503a37 | 792 | input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0); |
78761ff9 PF |
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); | |
e0829e9c | 796 | input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0); |
c653daba PF |
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); | |
78761ff9 PF |
799 | break; |
800 | } | |
3797ef6b DH |
801 | |
802 | return 0; | |
803 | } | |
804 | ||
ca2dcd40 BN |
805 | static int wacom_probe(struct hid_device *hdev, |
806 | const struct hid_device_id *id) | |
807 | { | |
ca2dcd40 BN |
808 | struct wacom_data *wdata; |
809 | int ret; | |
810 | ||
811 | wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); | |
812 | if (wdata == NULL) { | |
4291ee30 | 813 | hid_err(hdev, "can't alloc wacom descriptor\n"); |
ca2dcd40 BN |
814 | return -ENOMEM; |
815 | } | |
816 | ||
817 | hid_set_drvdata(hdev, wdata); | |
818 | ||
46a709b9 | 819 | /* Parse the HID report now */ |
ca2dcd40 BN |
820 | ret = hid_parse(hdev); |
821 | if (ret) { | |
4291ee30 | 822 | hid_err(hdev, "parse failed\n"); |
ca2dcd40 BN |
823 | goto err_free; |
824 | } | |
825 | ||
826 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
827 | if (ret) { | |
4291ee30 | 828 | hid_err(hdev, "hw start failed\n"); |
ca2dcd40 BN |
829 | goto err_free; |
830 | } | |
831 | ||
20a3ce7e PF |
832 | ret = device_create_file(&hdev->dev, &dev_attr_speed); |
833 | if (ret) | |
4291ee30 JP |
834 | hid_warn(hdev, |
835 | "can't create sysfs speed attribute err: %d\n", ret); | |
342f31e8 | 836 | |
e3c399ee PF |
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 | ||
846 | OLED_INIT(0); | |
847 | OLED_INIT(1); | |
848 | OLED_INIT(2); | |
849 | OLED_INIT(3); | |
850 | OLED_INIT(4); | |
851 | OLED_INIT(5); | |
852 | OLED_INIT(6); | |
853 | OLED_INIT(7); | |
854 | ||
d70a2ffe PF |
855 | wdata->features = 0; |
856 | wacom_set_features(hdev, 1); | |
857 | ||
858 | if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) { | |
a72c5ddb | 859 | sprintf(hdev->name, "%s", "Wacom Intuos4 WL"); |
d13f5454 | 860 | ret = wacom_initialize_leds(hdev); |
8908dd80 | 861 | if (ret) |
d13f5454 PF |
862 | hid_warn(hdev, |
863 | "can't create led attribute, err: %d\n", ret); | |
78761ff9 | 864 | } |
46a709b9 | 865 | |
59d2334a PF |
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; | |
46a709b9 | 872 | |
35b4c01e | 873 | |
59d2334a PF |
874 | ret = power_supply_register(&hdev->dev, &wdata->battery); |
875 | if (ret) { | |
8908dd80 AL |
876 | hid_err(hdev, "can't create sysfs battery attribute, err: %d\n", |
877 | ret); | |
dde58cfc | 878 | goto err_battery; |
59d2334a PF |
879 | } |
880 | ||
d7cb3dbd PF |
881 | power_supply_powers(&wdata->battery, &hdev->dev); |
882 | ||
59d2334a PF |
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) { | |
8908dd80 AL |
892 | hid_err(hdev, |
893 | "can't create ac battery attribute, err: %d\n", ret); | |
dde58cfc | 894 | goto err_ac; |
59d2334a | 895 | } |
d7cb3dbd PF |
896 | |
897 | power_supply_powers(&wdata->ac, &hdev->dev); | |
ca2dcd40 | 898 | return 0; |
987a6c02 | 899 | |
dde58cfc DH |
900 | err_ac: |
901 | power_supply_unregister(&wdata->battery); | |
902 | err_battery: | |
8908dd80 AL |
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); | |
dde58cfc DH |
912 | device_remove_file(&hdev->dev, &dev_attr_speed); |
913 | hid_hw_stop(hdev); | |
ca2dcd40 BN |
914 | err_free: |
915 | kfree(wdata); | |
916 | return ret; | |
917 | } | |
918 | ||
919 | static void wacom_remove(struct hid_device *hdev) | |
920 | { | |
59d2334a | 921 | struct wacom_data *wdata = hid_get_drvdata(hdev); |
d13f5454 PF |
922 | |
923 | wacom_destroy_leds(hdev); | |
e3c399ee PF |
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); | |
9086617e | 932 | device_remove_file(&hdev->dev, &dev_attr_speed); |
ca2dcd40 | 933 | hid_hw_stop(hdev); |
59d2334a | 934 | |
59d2334a PF |
935 | power_supply_unregister(&wdata->battery); |
936 | power_supply_unregister(&wdata->ac); | |
ca2dcd40 BN |
937 | kfree(hid_get_drvdata(hdev)); |
938 | } | |
939 | ||
940 | static const struct hid_device_id wacom_devices[] = { | |
941 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, | |
78761ff9 | 942 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, |
d5e0a06f | 943 | |
ca2dcd40 BN |
944 | { } |
945 | }; | |
946 | MODULE_DEVICE_TABLE(hid, wacom_devices); | |
947 | ||
948 | static 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, | |
3797ef6b | 954 | .input_mapped = wacom_input_mapped, |
ca2dcd40 BN |
955 | }; |
956 | ||
a24f423b | 957 | static int __init wacom_init(void) |
ca2dcd40 BN |
958 | { |
959 | int ret; | |
960 | ||
961 | ret = hid_register_driver(&wacom_driver); | |
962 | if (ret) | |
4291ee30 | 963 | pr_err("can't register wacom driver\n"); |
ca2dcd40 BN |
964 | return ret; |
965 | } | |
966 | ||
a24f423b | 967 | static void __exit wacom_exit(void) |
ca2dcd40 BN |
968 | { |
969 | hid_unregister_driver(&wacom_driver); | |
970 | } | |
971 | ||
972 | module_init(wacom_init); | |
973 | module_exit(wacom_exit); | |
1fa2f722 | 974 | MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL"); |
ca2dcd40 | 975 | MODULE_LICENSE("GPL"); |