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; | |
9d157624 | 49 | __u8 bat_charging; |
59d2334a PF |
50 | struct power_supply battery; |
51 | struct power_supply ac; | |
d13f5454 PF |
52 | __u8 led_selector; |
53 | struct led_classdev *leds[4]; | |
ca2dcd40 BN |
54 | }; |
55 | ||
e31e3832 PF |
56 | /*percent of battery capacity for Graphire |
57 | 8th value means AC online and show 100% capacity */ | |
58 | static unsigned short batcap_gr[8] = { 1, 15, 25, 35, 50, 70, 100, 100 }; | |
4202f1de PF |
59 | /*percent of battery capacity for Intuos4 WL, AC has a separate bit*/ |
60 | static unsigned short batcap_i4[8] = { 1, 15, 30, 45, 60, 70, 85, 100 }; | |
59d2334a PF |
61 | |
62 | static enum power_supply_property wacom_battery_props[] = { | |
63 | POWER_SUPPLY_PROP_PRESENT, | |
73db8813 JF |
64 | POWER_SUPPLY_PROP_CAPACITY, |
65 | POWER_SUPPLY_PROP_SCOPE, | |
9d157624 | 66 | POWER_SUPPLY_PROP_STATUS, |
59d2334a PF |
67 | }; |
68 | ||
69 | static enum power_supply_property wacom_ac_props[] = { | |
70 | POWER_SUPPLY_PROP_PRESENT, | |
73db8813 JF |
71 | POWER_SUPPLY_PROP_ONLINE, |
72 | POWER_SUPPLY_PROP_SCOPE, | |
59d2334a PF |
73 | }; |
74 | ||
e3c399ee PF |
75 | static void wacom_scramble(__u8 *image) |
76 | { | |
77 | __u16 mask; | |
78 | __u16 s1; | |
79 | __u16 s2; | |
80 | __u16 r1 ; | |
81 | __u16 r2 ; | |
82 | __u16 r; | |
83 | __u8 buf[256]; | |
84 | int i, w, x, y, z; | |
85 | ||
86 | for (x = 0; x < 32; x++) { | |
87 | for (y = 0; y < 8; y++) | |
88 | buf[(8 * x) + (7 - y)] = image[(8 * x) + y]; | |
89 | } | |
90 | ||
91 | /* Change 76543210 into GECA6420 as required by Intuos4 WL | |
92 | * HGFEDCBA HFDB7531 | |
93 | */ | |
94 | for (x = 0; x < 4; x++) { | |
95 | for (y = 0; y < 4; y++) { | |
96 | for (z = 0; z < 8; z++) { | |
97 | mask = 0x0001; | |
98 | r1 = 0; | |
99 | r2 = 0; | |
100 | i = (x << 6) + (y << 4) + z; | |
101 | s1 = buf[i]; | |
102 | s2 = buf[i+8]; | |
103 | for (w = 0; w < 8; w++) { | |
104 | r1 |= (s1 & mask); | |
105 | r2 |= (s2 & mask); | |
106 | s1 <<= 1; | |
107 | s2 <<= 1; | |
108 | mask <<= 2; | |
109 | } | |
110 | r = r1 | (r2 << 1); | |
111 | i = (x << 6) + (y << 4) + (z << 1); | |
112 | image[i] = 0xFF & r; | |
113 | image[i+1] = (0xFF00 & r) >> 8; | |
114 | } | |
115 | } | |
116 | } | |
117 | } | |
118 | ||
119 | static void wacom_set_image(struct hid_device *hdev, const char *image, | |
120 | __u8 icon_no) | |
121 | { | |
122 | __u8 rep_data[68]; | |
123 | __u8 p[256]; | |
124 | int ret, i, j; | |
125 | ||
126 | for (i = 0; i < 256; i++) | |
127 | p[i] = image[i]; | |
128 | ||
129 | rep_data[0] = WAC_CMD_ICON_START_STOP; | |
130 | rep_data[1] = 0; | |
131 | ret = hdev->hid_output_raw_report(hdev, rep_data, 2, | |
132 | HID_FEATURE_REPORT); | |
133 | if (ret < 0) | |
134 | goto err; | |
135 | ||
136 | rep_data[0] = WAC_CMD_ICON_TRANSFER; | |
137 | rep_data[1] = icon_no & 0x07; | |
138 | ||
139 | wacom_scramble(p); | |
140 | ||
141 | for (i = 0; i < 4; i++) { | |
142 | for (j = 0; j < 64; j++) | |
143 | rep_data[j + 3] = p[(i << 6) + j]; | |
144 | ||
145 | rep_data[2] = i; | |
146 | ret = hdev->hid_output_raw_report(hdev, rep_data, 67, | |
147 | HID_FEATURE_REPORT); | |
148 | } | |
149 | ||
150 | rep_data[0] = WAC_CMD_ICON_START_STOP; | |
151 | rep_data[1] = 0; | |
152 | ||
153 | ret = hdev->hid_output_raw_report(hdev, rep_data, 2, | |
154 | HID_FEATURE_REPORT); | |
155 | ||
156 | err: | |
157 | return; | |
158 | } | |
159 | ||
d13f5454 PF |
160 | static void wacom_leds_set_brightness(struct led_classdev *led_dev, |
161 | enum led_brightness value) | |
162 | { | |
163 | struct device *dev = led_dev->dev->parent; | |
164 | struct hid_device *hdev; | |
165 | struct wacom_data *wdata; | |
166 | unsigned char *buf; | |
167 | __u8 led = 0; | |
168 | int i; | |
169 | ||
170 | hdev = container_of(dev, struct hid_device, dev); | |
171 | wdata = hid_get_drvdata(hdev); | |
172 | for (i = 0; i < 4; ++i) { | |
173 | if (wdata->leds[i] == led_dev) | |
174 | wdata->led_selector = i; | |
175 | } | |
176 | ||
177 | led = wdata->led_selector | 0x04; | |
178 | buf = kzalloc(9, GFP_KERNEL); | |
179 | if (buf) { | |
180 | buf[0] = WAC_CMD_LED_CONTROL; | |
181 | buf[1] = led; | |
530a76c1 PF |
182 | buf[2] = value >> 2; |
183 | buf[3] = value; | |
e3c399ee PF |
184 | /* use fixed brightness for OLEDs */ |
185 | buf[4] = 0x08; | |
d13f5454 PF |
186 | hdev->hid_output_raw_report(hdev, buf, 9, HID_FEATURE_REPORT); |
187 | kfree(buf); | |
188 | } | |
189 | ||
190 | return; | |
191 | } | |
192 | ||
193 | static enum led_brightness wacom_leds_get_brightness(struct led_classdev *led_dev) | |
194 | { | |
195 | struct wacom_data *wdata; | |
196 | struct device *dev = led_dev->dev->parent; | |
197 | int value = 0; | |
198 | int i; | |
199 | ||
200 | wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); | |
201 | ||
202 | for (i = 0; i < 4; ++i) { | |
203 | if (wdata->leds[i] == led_dev) { | |
204 | value = wdata->leds[i]->brightness; | |
205 | break; | |
206 | } | |
207 | } | |
208 | ||
209 | return value; | |
210 | } | |
211 | ||
212 | ||
213 | static int wacom_initialize_leds(struct hid_device *hdev) | |
214 | { | |
215 | struct wacom_data *wdata = hid_get_drvdata(hdev); | |
216 | struct led_classdev *led; | |
217 | struct device *dev = &hdev->dev; | |
218 | size_t namesz = strlen(dev_name(dev)) + 12; | |
219 | char *name; | |
220 | int i, ret; | |
221 | ||
222 | wdata->led_selector = 0; | |
223 | ||
224 | for (i = 0; i < 4; i++) { | |
225 | led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL); | |
226 | if (!led) { | |
227 | hid_warn(hdev, | |
228 | "can't allocate memory for LED selector\n"); | |
229 | ret = -ENOMEM; | |
230 | goto err; | |
231 | } | |
232 | ||
233 | name = (void *)&led[1]; | |
234 | snprintf(name, namesz, "%s:selector:%d", dev_name(dev), i); | |
235 | led->name = name; | |
236 | led->brightness = 0; | |
237 | led->max_brightness = 127; | |
238 | led->brightness_get = wacom_leds_get_brightness; | |
239 | led->brightness_set = wacom_leds_set_brightness; | |
240 | ||
241 | wdata->leds[i] = led; | |
242 | ||
243 | ret = led_classdev_register(dev, wdata->leds[i]); | |
244 | ||
245 | if (ret) { | |
246 | wdata->leds[i] = NULL; | |
247 | kfree(led); | |
248 | hid_warn(hdev, "can't register LED\n"); | |
249 | goto err; | |
250 | } | |
251 | } | |
252 | ||
253 | err: | |
254 | return ret; | |
255 | } | |
256 | ||
257 | static void wacom_destroy_leds(struct hid_device *hdev) | |
258 | { | |
259 | struct wacom_data *wdata = hid_get_drvdata(hdev); | |
260 | struct led_classdev *led; | |
261 | int i; | |
262 | ||
263 | for (i = 0; i < 4; ++i) { | |
264 | if (wdata->leds[i]) { | |
265 | led = wdata->leds[i]; | |
266 | wdata->leds[i] = NULL; | |
267 | led_classdev_unregister(led); | |
268 | kfree(led); | |
269 | } | |
270 | } | |
271 | ||
272 | } | |
273 | ||
59d2334a PF |
274 | static int wacom_battery_get_property(struct power_supply *psy, |
275 | enum power_supply_property psp, | |
276 | union power_supply_propval *val) | |
277 | { | |
278 | struct wacom_data *wdata = container_of(psy, | |
279 | struct wacom_data, battery); | |
59d2334a PF |
280 | int ret = 0; |
281 | ||
282 | switch (psp) { | |
283 | case POWER_SUPPLY_PROP_PRESENT: | |
284 | val->intval = 1; | |
285 | break; | |
73db8813 JF |
286 | case POWER_SUPPLY_PROP_SCOPE: |
287 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
288 | break; | |
59d2334a | 289 | case POWER_SUPPLY_PROP_CAPACITY: |
e31e3832 | 290 | val->intval = wdata->battery_capacity; |
59d2334a | 291 | break; |
9d157624 PF |
292 | case POWER_SUPPLY_PROP_STATUS: |
293 | if (wdata->bat_charging) | |
294 | val->intval = POWER_SUPPLY_STATUS_CHARGING; | |
295 | else | |
296 | if (wdata->battery_capacity == 100 && wdata->ps_connected) | |
297 | val->intval = POWER_SUPPLY_STATUS_FULL; | |
298 | else | |
299 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | |
300 | break; | |
59d2334a PF |
301 | default: |
302 | ret = -EINVAL; | |
303 | break; | |
304 | } | |
305 | return ret; | |
306 | } | |
307 | ||
308 | static int wacom_ac_get_property(struct power_supply *psy, | |
309 | enum power_supply_property psp, | |
310 | union power_supply_propval *val) | |
311 | { | |
312 | struct wacom_data *wdata = container_of(psy, struct wacom_data, ac); | |
59d2334a PF |
313 | int ret = 0; |
314 | ||
315 | switch (psp) { | |
316 | case POWER_SUPPLY_PROP_PRESENT: | |
317 | /* fall through */ | |
318 | case POWER_SUPPLY_PROP_ONLINE: | |
e31e3832 | 319 | val->intval = wdata->ps_connected; |
59d2334a | 320 | break; |
73db8813 JF |
321 | case POWER_SUPPLY_PROP_SCOPE: |
322 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
323 | break; | |
59d2334a PF |
324 | default: |
325 | ret = -EINVAL; | |
326 | break; | |
327 | } | |
328 | return ret; | |
329 | } | |
59d2334a | 330 | |
be4925b0 | 331 | static void wacom_set_features(struct hid_device *hdev, u8 speed) |
06c7c313 | 332 | { |
20a3ce7e | 333 | struct wacom_data *wdata = hid_get_drvdata(hdev); |
06c7c313 | 334 | int limit, ret; |
d70a2ffe | 335 | __u8 rep_data[2]; |
06c7c313 | 336 | |
d70a2ffe PF |
337 | switch (hdev->product) { |
338 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
339 | rep_data[0] = 0x03 ; rep_data[1] = 0x00; | |
06c7c313 PF |
340 | limit = 3; |
341 | do { | |
342 | ret = hdev->hid_output_raw_report(hdev, rep_data, 2, | |
343 | HID_FEATURE_REPORT); | |
344 | } while (ret < 0 && limit-- > 0); | |
345 | ||
20a3ce7e | 346 | if (ret >= 0) { |
d70a2ffe PF |
347 | if (speed == 0) |
348 | rep_data[0] = 0x05; | |
349 | else | |
350 | rep_data[0] = 0x06; | |
351 | ||
352 | rep_data[1] = 0x00; | |
353 | limit = 3; | |
354 | do { | |
355 | ret = hdev->hid_output_raw_report(hdev, | |
356 | rep_data, 2, HID_FEATURE_REPORT); | |
357 | } while (ret < 0 && limit-- > 0); | |
358 | ||
359 | if (ret >= 0) { | |
360 | wdata->high_speed = speed; | |
361 | return; | |
362 | } | |
20a3ce7e | 363 | } |
d70a2ffe PF |
364 | |
365 | /* | |
366 | * Note that if the raw queries fail, it's not a hard failure | |
367 | * and it is safe to continue | |
368 | */ | |
369 | hid_warn(hdev, "failed to poke device, command %d, err %d\n", | |
370 | rep_data[0], ret); | |
371 | break; | |
372 | case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: | |
373 | if (speed == 1) | |
374 | wdata->features &= ~0x20; | |
375 | else | |
376 | wdata->features |= 0x20; | |
377 | ||
378 | rep_data[0] = 0x03; | |
379 | rep_data[1] = wdata->features; | |
380 | ||
381 | ret = hdev->hid_output_raw_report(hdev, rep_data, 2, | |
382 | HID_FEATURE_REPORT); | |
383 | if (ret >= 0) | |
384 | wdata->high_speed = speed; | |
385 | break; | |
06c7c313 PF |
386 | } |
387 | ||
06c7c313 PF |
388 | return; |
389 | } | |
390 | ||
20a3ce7e PF |
391 | static ssize_t wacom_show_speed(struct device *dev, |
392 | struct device_attribute | |
393 | *attr, char *buf) | |
394 | { | |
395 | struct wacom_data *wdata = dev_get_drvdata(dev); | |
396 | ||
397 | return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed); | |
398 | } | |
399 | ||
400 | static ssize_t wacom_store_speed(struct device *dev, | |
401 | struct device_attribute *attr, | |
402 | const char *buf, size_t count) | |
403 | { | |
404 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); | |
405 | int new_speed; | |
406 | ||
407 | if (sscanf(buf, "%1d", &new_speed ) != 1) | |
408 | return -EINVAL; | |
409 | ||
410 | if (new_speed == 0 || new_speed == 1) { | |
d70a2ffe | 411 | wacom_set_features(hdev, new_speed); |
20a3ce7e PF |
412 | return strnlen(buf, PAGE_SIZE); |
413 | } else | |
414 | return -EINVAL; | |
415 | } | |
416 | ||
edd2126a | 417 | static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP, |
20a3ce7e PF |
418 | wacom_show_speed, wacom_store_speed); |
419 | ||
e3c399ee PF |
420 | #define WACOM_STORE(OLED_ID) \ |
421 | static ssize_t wacom_oled##OLED_ID##_store(struct device *dev, \ | |
422 | struct device_attribute *attr, \ | |
423 | const char *buf, size_t count) \ | |
424 | { \ | |
425 | struct hid_device *hdev = container_of(dev, struct hid_device, \ | |
426 | dev); \ | |
427 | \ | |
428 | if (count != 256) \ | |
429 | return -EINVAL; \ | |
430 | \ | |
431 | wacom_set_image(hdev, buf, OLED_ID); \ | |
432 | \ | |
433 | return count; \ | |
434 | } \ | |
435 | \ | |
436 | static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \ | |
437 | wacom_oled##OLED_ID##_store) | |
438 | ||
439 | WACOM_STORE(0); | |
440 | WACOM_STORE(1); | |
441 | WACOM_STORE(2); | |
442 | WACOM_STORE(3); | |
443 | WACOM_STORE(4); | |
444 | WACOM_STORE(5); | |
445 | WACOM_STORE(6); | |
446 | WACOM_STORE(7); | |
447 | ||
f6b7efc1 PF |
448 | static int wacom_gr_parse_report(struct hid_device *hdev, |
449 | struct wacom_data *wdata, | |
450 | struct input_dev *input, unsigned char *data) | |
ca2dcd40 | 451 | { |
ca2dcd40 BN |
452 | int tool, x, y, rw; |
453 | ||
ca2dcd40 | 454 | tool = 0; |
ca2dcd40 BN |
455 | /* Get X & Y positions */ |
456 | x = le16_to_cpu(*(__le16 *) &data[2]); | |
457 | y = le16_to_cpu(*(__le16 *) &data[4]); | |
458 | ||
459 | /* Get current tool identifier */ | |
460 | if (data[1] & 0x90) { /* If pen is in the in/active area */ | |
461 | switch ((data[1] >> 5) & 3) { | |
462 | case 0: /* Pen */ | |
463 | tool = BTN_TOOL_PEN; | |
464 | break; | |
465 | ||
466 | case 1: /* Rubber */ | |
467 | tool = BTN_TOOL_RUBBER; | |
468 | break; | |
469 | ||
470 | case 2: /* Mouse with wheel */ | |
471 | case 3: /* Mouse without wheel */ | |
472 | tool = BTN_TOOL_MOUSE; | |
473 | break; | |
474 | } | |
475 | ||
476 | /* Reset tool if out of active tablet area */ | |
477 | if (!(data[1] & 0x10)) | |
478 | tool = 0; | |
479 | } | |
480 | ||
481 | /* If tool changed, notify input subsystem */ | |
482 | if (wdata->tool != tool) { | |
483 | if (wdata->tool) { | |
484 | /* Completely reset old tool state */ | |
485 | if (wdata->tool == BTN_TOOL_MOUSE) { | |
486 | input_report_key(input, BTN_LEFT, 0); | |
487 | input_report_key(input, BTN_RIGHT, 0); | |
488 | input_report_key(input, BTN_MIDDLE, 0); | |
489 | input_report_abs(input, ABS_DISTANCE, | |
987a6c02 | 490 | input_abs_get_max(input, ABS_DISTANCE)); |
ca2dcd40 BN |
491 | } else { |
492 | input_report_key(input, BTN_TOUCH, 0); | |
493 | input_report_key(input, BTN_STYLUS, 0); | |
494 | input_report_key(input, BTN_STYLUS2, 0); | |
495 | input_report_abs(input, ABS_PRESSURE, 0); | |
496 | } | |
497 | input_report_key(input, wdata->tool, 0); | |
498 | input_sync(input); | |
499 | } | |
500 | wdata->tool = tool; | |
501 | if (tool) | |
502 | input_report_key(input, tool, 1); | |
503 | } | |
504 | ||
505 | if (tool) { | |
506 | input_report_abs(input, ABS_X, x); | |
507 | input_report_abs(input, ABS_Y, y); | |
508 | ||
509 | switch ((data[1] >> 5) & 3) { | |
510 | case 2: /* Mouse with wheel */ | |
511 | input_report_key(input, BTN_MIDDLE, data[1] & 0x04); | |
512 | rw = (data[6] & 0x01) ? -1 : | |
513 | (data[6] & 0x02) ? 1 : 0; | |
514 | input_report_rel(input, REL_WHEEL, rw); | |
515 | /* fall through */ | |
516 | ||
517 | case 3: /* Mouse without wheel */ | |
518 | input_report_key(input, BTN_LEFT, data[1] & 0x01); | |
519 | input_report_key(input, BTN_RIGHT, data[1] & 0x02); | |
520 | /* Compute distance between mouse and tablet */ | |
521 | rw = 44 - (data[6] >> 2); | |
522 | if (rw < 0) | |
523 | rw = 0; | |
524 | else if (rw > 31) | |
525 | rw = 31; | |
526 | input_report_abs(input, ABS_DISTANCE, rw); | |
527 | break; | |
528 | ||
529 | default: | |
530 | input_report_abs(input, ABS_PRESSURE, | |
531 | data[6] | (((__u16) (data[1] & 0x08)) << 5)); | |
532 | input_report_key(input, BTN_TOUCH, data[1] & 0x01); | |
533 | input_report_key(input, BTN_STYLUS, data[1] & 0x02); | |
534 | input_report_key(input, BTN_STYLUS2, (tool == BTN_TOOL_PEN) && data[1] & 0x04); | |
535 | break; | |
536 | } | |
537 | ||
538 | input_sync(input); | |
539 | } | |
540 | ||
541 | /* Report the state of the two buttons at the top of the tablet | |
542 | * as two extra fingerpad keys (buttons 4 & 5). */ | |
543 | rw = data[7] & 0x03; | |
544 | if (rw != wdata->butstate) { | |
545 | wdata->butstate = rw; | |
546 | input_report_key(input, BTN_0, rw & 0x02); | |
547 | input_report_key(input, BTN_1, rw & 0x01); | |
0e253fdb | 548 | input_report_key(input, BTN_TOOL_FINGER, 0xf0); |
ca2dcd40 BN |
549 | input_event(input, EV_MSC, MSC_SERIAL, 0xf0); |
550 | input_sync(input); | |
551 | } | |
552 | ||
e31e3832 | 553 | /* Store current battery capacity and power supply state*/ |
59d2334a | 554 | rw = (data[7] >> 2 & 0x07); |
e31e3832 PF |
555 | if (rw != wdata->power_raw) { |
556 | wdata->power_raw = rw; | |
557 | wdata->battery_capacity = batcap_gr[rw]; | |
558 | if (rw == 7) | |
559 | wdata->ps_connected = 1; | |
560 | else | |
561 | wdata->ps_connected = 0; | |
562 | } | |
ca2dcd40 BN |
563 | return 1; |
564 | } | |
78761ff9 | 565 | |
6245bde2 PF |
566 | static void wacom_i4_parse_button_report(struct wacom_data *wdata, |
567 | struct input_dev *input, unsigned char *data) | |
568 | { | |
569 | __u16 new_butstate; | |
7e503a37 PF |
570 | __u8 new_whlstate; |
571 | __u8 sync = 0; | |
572 | ||
573 | new_whlstate = data[1]; | |
574 | if (new_whlstate != wdata->whlstate) { | |
575 | wdata->whlstate = new_whlstate; | |
576 | if (new_whlstate & 0x80) { | |
577 | input_report_key(input, BTN_TOUCH, 1); | |
578 | input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f)); | |
579 | input_report_key(input, BTN_TOOL_FINGER, 1); | |
580 | } else { | |
581 | input_report_key(input, BTN_TOUCH, 0); | |
582 | input_report_abs(input, ABS_WHEEL, 0); | |
583 | input_report_key(input, BTN_TOOL_FINGER, 0); | |
584 | } | |
585 | sync = 1; | |
586 | } | |
6245bde2 PF |
587 | |
588 | new_butstate = (data[3] << 1) | (data[2] & 0x01); | |
589 | if (new_butstate != wdata->butstate) { | |
590 | wdata->butstate = new_butstate; | |
591 | input_report_key(input, BTN_0, new_butstate & 0x001); | |
592 | input_report_key(input, BTN_1, new_butstate & 0x002); | |
593 | input_report_key(input, BTN_2, new_butstate & 0x004); | |
594 | input_report_key(input, BTN_3, new_butstate & 0x008); | |
595 | input_report_key(input, BTN_4, new_butstate & 0x010); | |
596 | input_report_key(input, BTN_5, new_butstate & 0x020); | |
597 | input_report_key(input, BTN_6, new_butstate & 0x040); | |
598 | input_report_key(input, BTN_7, new_butstate & 0x080); | |
599 | input_report_key(input, BTN_8, new_butstate & 0x100); | |
600 | input_report_key(input, BTN_TOOL_FINGER, 1); | |
7e503a37 PF |
601 | sync = 1; |
602 | } | |
603 | ||
604 | if (sync) { | |
6245bde2 PF |
605 | input_report_abs(input, ABS_MISC, PAD_DEVICE_ID); |
606 | input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff); | |
607 | input_sync(input); | |
608 | } | |
609 | } | |
610 | ||
78761ff9 PF |
611 | static void wacom_i4_parse_pen_report(struct wacom_data *wdata, |
612 | struct input_dev *input, unsigned char *data) | |
613 | { | |
614 | __u16 x, y, pressure; | |
e0829e9c | 615 | __u8 distance; |
c653daba | 616 | __u8 tilt_x, tilt_y; |
78761ff9 PF |
617 | |
618 | switch (data[1]) { | |
619 | case 0x80: /* Out of proximity report */ | |
78761ff9 PF |
620 | input_report_key(input, BTN_TOUCH, 0); |
621 | input_report_abs(input, ABS_PRESSURE, 0); | |
693f45bb PF |
622 | input_report_key(input, BTN_STYLUS, 0); |
623 | input_report_key(input, BTN_STYLUS2, 0); | |
78761ff9 | 624 | input_report_key(input, wdata->tool, 0); |
2470900b PF |
625 | input_report_abs(input, ABS_MISC, 0); |
626 | input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); | |
32db737f | 627 | wdata->tool = 0; |
78761ff9 PF |
628 | input_sync(input); |
629 | break; | |
630 | case 0xC2: /* Tool report */ | |
2470900b | 631 | wdata->id = ((data[2] << 4) | (data[3] >> 4) | |
78761ff9 | 632 | ((data[7] & 0x0f) << 20) | |
2470900b PF |
633 | ((data[8] & 0xf0) << 12)); |
634 | wdata->serial = ((data[3] & 0x0f) << 28) + | |
635 | (data[4] << 20) + (data[5] << 12) + | |
636 | (data[6] << 4) + (data[7] >> 4); | |
78761ff9 | 637 | |
2470900b PF |
638 | switch (wdata->id) { |
639 | case 0x100802: | |
78761ff9 PF |
640 | wdata->tool = BTN_TOOL_PEN; |
641 | break; | |
2470900b | 642 | case 0x10080A: |
78761ff9 PF |
643 | wdata->tool = BTN_TOOL_RUBBER; |
644 | break; | |
645 | } | |
646 | break; | |
647 | default: /* Position/pressure report */ | |
648 | x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1); | |
649 | y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01); | |
650 | pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | |
651 | | (data[1] & 0x01); | |
e0829e9c | 652 | distance = (data[9] >> 2) & 0x3f; |
c653daba PF |
653 | tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7); |
654 | tilt_y = data[8] & 0x7f; | |
78761ff9 PF |
655 | |
656 | input_report_key(input, BTN_TOUCH, pressure > 1); | |
657 | ||
658 | input_report_key(input, BTN_STYLUS, data[1] & 0x02); | |
659 | input_report_key(input, BTN_STYLUS2, data[1] & 0x04); | |
660 | input_report_key(input, wdata->tool, 1); | |
661 | input_report_abs(input, ABS_X, x); | |
662 | input_report_abs(input, ABS_Y, y); | |
663 | input_report_abs(input, ABS_PRESSURE, pressure); | |
e0829e9c | 664 | input_report_abs(input, ABS_DISTANCE, distance); |
c653daba PF |
665 | input_report_abs(input, ABS_TILT_X, tilt_x); |
666 | input_report_abs(input, ABS_TILT_Y, tilt_y); | |
2470900b PF |
667 | input_report_abs(input, ABS_MISC, wdata->id); |
668 | input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); | |
669 | input_report_key(input, wdata->tool, 1); | |
78761ff9 PF |
670 | input_sync(input); |
671 | break; | |
672 | } | |
673 | ||
674 | return; | |
675 | } | |
676 | ||
677 | static void wacom_i4_parse_report(struct hid_device *hdev, | |
678 | struct wacom_data *wdata, | |
679 | struct input_dev *input, unsigned char *data) | |
680 | { | |
681 | switch (data[0]) { | |
682 | case 0x00: /* Empty report */ | |
683 | break; | |
684 | case 0x02: /* Pen report */ | |
685 | wacom_i4_parse_pen_report(wdata, input, data); | |
686 | break; | |
687 | case 0x03: /* Features Report */ | |
688 | wdata->features = data[2]; | |
689 | break; | |
690 | case 0x0C: /* Button report */ | |
6245bde2 | 691 | wacom_i4_parse_button_report(wdata, input, data); |
78761ff9 PF |
692 | break; |
693 | default: | |
694 | hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]); | |
695 | break; | |
696 | } | |
697 | } | |
698 | ||
f6b7efc1 PF |
699 | static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, |
700 | u8 *raw_data, int size) | |
701 | { | |
702 | struct wacom_data *wdata = hid_get_drvdata(hdev); | |
703 | struct hid_input *hidinput; | |
704 | struct input_dev *input; | |
705 | unsigned char *data = (unsigned char *) raw_data; | |
78761ff9 | 706 | int i; |
4202f1de | 707 | __u8 power_raw; |
f6b7efc1 PF |
708 | |
709 | if (!(hdev->claimed & HID_CLAIMED_INPUT)) | |
710 | return 0; | |
711 | ||
712 | hidinput = list_entry(hdev->inputs.next, struct hid_input, list); | |
713 | input = hidinput->input; | |
714 | ||
78761ff9 PF |
715 | switch (hdev->product) { |
716 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
163a6ae1 PF |
717 | if (data[0] == 0x03) { |
718 | return wacom_gr_parse_report(hdev, wdata, input, data); | |
719 | } else { | |
720 | hid_err(hdev, "Unknown report: %d,%d size:%d\n", | |
721 | data[0], data[1], size); | |
722 | return 0; | |
723 | } | |
78761ff9 PF |
724 | break; |
725 | case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: | |
726 | i = 1; | |
727 | ||
728 | switch (data[0]) { | |
729 | case 0x04: | |
730 | wacom_i4_parse_report(hdev, wdata, input, data + i); | |
731 | i += 10; | |
732 | /* fall through */ | |
733 | case 0x03: | |
734 | wacom_i4_parse_report(hdev, wdata, input, data + i); | |
735 | i += 10; | |
736 | wacom_i4_parse_report(hdev, wdata, input, data + i); | |
4202f1de PF |
737 | power_raw = data[i+10]; |
738 | if (power_raw != wdata->power_raw) { | |
739 | wdata->power_raw = power_raw; | |
740 | wdata->battery_capacity = batcap_i4[power_raw & 0x07]; | |
9d157624 PF |
741 | wdata->bat_charging = (power_raw & 0x08) ? 1 : 0; |
742 | wdata->ps_connected = (power_raw & 0x10) ? 1 : 0; | |
4202f1de PF |
743 | } |
744 | ||
78761ff9 PF |
745 | break; |
746 | default: | |
747 | hid_err(hdev, "Unknown report: %d,%d size:%d\n", | |
748 | data[0], data[1], size); | |
749 | return 0; | |
750 | } | |
751 | } | |
752 | return 1; | |
f6b7efc1 | 753 | } |
ca2dcd40 | 754 | |
3797ef6b DH |
755 | static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
756 | struct hid_field *field, struct hid_usage *usage, unsigned long **bit, | |
757 | int *max) | |
758 | { | |
759 | struct input_dev *input = hi->input; | |
760 | ||
f6f12427 JK |
761 | __set_bit(INPUT_PROP_POINTER, input->propbit); |
762 | ||
3797ef6b DH |
763 | /* Basics */ |
764 | input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); | |
765 | ||
766 | __set_bit(REL_WHEEL, input->relbit); | |
767 | ||
768 | __set_bit(BTN_TOOL_PEN, input->keybit); | |
769 | __set_bit(BTN_TOUCH, input->keybit); | |
770 | __set_bit(BTN_STYLUS, input->keybit); | |
771 | __set_bit(BTN_STYLUS2, input->keybit); | |
772 | __set_bit(BTN_LEFT, input->keybit); | |
773 | __set_bit(BTN_RIGHT, input->keybit); | |
774 | __set_bit(BTN_MIDDLE, input->keybit); | |
775 | ||
776 | /* Pad */ | |
9a911da8 | 777 | input_set_capability(input, EV_MSC, MSC_SERIAL); |
3797ef6b DH |
778 | |
779 | __set_bit(BTN_0, input->keybit); | |
780 | __set_bit(BTN_1, input->keybit); | |
781 | __set_bit(BTN_TOOL_FINGER, input->keybit); | |
782 | ||
783 | /* Distance, rubber and mouse */ | |
784 | __set_bit(BTN_TOOL_RUBBER, input->keybit); | |
785 | __set_bit(BTN_TOOL_MOUSE, input->keybit); | |
786 | ||
78761ff9 PF |
787 | switch (hdev->product) { |
788 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
789 | input_set_abs_params(input, ABS_X, 0, 16704, 4, 0); | |
790 | input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0); | |
791 | input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0); | |
792 | input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0); | |
793 | break; | |
794 | case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: | |
7e503a37 | 795 | __set_bit(ABS_WHEEL, input->absbit); |
2c653e6b | 796 | __set_bit(ABS_MISC, input->absbit); |
6245bde2 PF |
797 | __set_bit(BTN_2, input->keybit); |
798 | __set_bit(BTN_3, input->keybit); | |
799 | __set_bit(BTN_4, input->keybit); | |
800 | __set_bit(BTN_5, input->keybit); | |
801 | __set_bit(BTN_6, input->keybit); | |
802 | __set_bit(BTN_7, input->keybit); | |
803 | __set_bit(BTN_8, input->keybit); | |
7e503a37 | 804 | input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0); |
78761ff9 PF |
805 | input_set_abs_params(input, ABS_X, 0, 40640, 4, 0); |
806 | input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0); | |
807 | input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0); | |
e0829e9c | 808 | input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0); |
c653daba PF |
809 | input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0); |
810 | input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0); | |
78761ff9 PF |
811 | break; |
812 | } | |
3797ef6b DH |
813 | |
814 | return 0; | |
815 | } | |
816 | ||
ca2dcd40 BN |
817 | static int wacom_probe(struct hid_device *hdev, |
818 | const struct hid_device_id *id) | |
819 | { | |
ca2dcd40 BN |
820 | struct wacom_data *wdata; |
821 | int ret; | |
822 | ||
823 | wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); | |
824 | if (wdata == NULL) { | |
4291ee30 | 825 | hid_err(hdev, "can't alloc wacom descriptor\n"); |
ca2dcd40 BN |
826 | return -ENOMEM; |
827 | } | |
828 | ||
829 | hid_set_drvdata(hdev, wdata); | |
830 | ||
46a709b9 | 831 | /* Parse the HID report now */ |
ca2dcd40 BN |
832 | ret = hid_parse(hdev); |
833 | if (ret) { | |
4291ee30 | 834 | hid_err(hdev, "parse failed\n"); |
ca2dcd40 BN |
835 | goto err_free; |
836 | } | |
837 | ||
838 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
839 | if (ret) { | |
4291ee30 | 840 | hid_err(hdev, "hw start failed\n"); |
ca2dcd40 BN |
841 | goto err_free; |
842 | } | |
843 | ||
20a3ce7e PF |
844 | ret = device_create_file(&hdev->dev, &dev_attr_speed); |
845 | if (ret) | |
4291ee30 JP |
846 | hid_warn(hdev, |
847 | "can't create sysfs speed attribute err: %d\n", ret); | |
342f31e8 | 848 | |
e3c399ee PF |
849 | #define OLED_INIT(OLED_ID) \ |
850 | do { \ | |
851 | ret = device_create_file(&hdev->dev, \ | |
852 | &dev_attr_oled##OLED_ID##_img); \ | |
853 | if (ret) \ | |
854 | hid_warn(hdev, \ | |
855 | "can't create sysfs oled attribute, err: %d\n", ret);\ | |
856 | } while (0) | |
857 | ||
858 | OLED_INIT(0); | |
859 | OLED_INIT(1); | |
860 | OLED_INIT(2); | |
861 | OLED_INIT(3); | |
862 | OLED_INIT(4); | |
863 | OLED_INIT(5); | |
864 | OLED_INIT(6); | |
865 | OLED_INIT(7); | |
866 | ||
d70a2ffe PF |
867 | wdata->features = 0; |
868 | wacom_set_features(hdev, 1); | |
869 | ||
870 | if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) { | |
a72c5ddb | 871 | sprintf(hdev->name, "%s", "Wacom Intuos4 WL"); |
d13f5454 | 872 | ret = wacom_initialize_leds(hdev); |
8908dd80 | 873 | if (ret) |
d13f5454 PF |
874 | hid_warn(hdev, |
875 | "can't create led attribute, err: %d\n", ret); | |
78761ff9 | 876 | } |
46a709b9 | 877 | |
59d2334a PF |
878 | wdata->battery.properties = wacom_battery_props; |
879 | wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props); | |
880 | wdata->battery.get_property = wacom_battery_get_property; | |
881 | wdata->battery.name = "wacom_battery"; | |
882 | wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; | |
883 | wdata->battery.use_for_apm = 0; | |
46a709b9 | 884 | |
35b4c01e | 885 | |
59d2334a PF |
886 | ret = power_supply_register(&hdev->dev, &wdata->battery); |
887 | if (ret) { | |
8908dd80 AL |
888 | hid_err(hdev, "can't create sysfs battery attribute, err: %d\n", |
889 | ret); | |
dde58cfc | 890 | goto err_battery; |
59d2334a PF |
891 | } |
892 | ||
d7cb3dbd PF |
893 | power_supply_powers(&wdata->battery, &hdev->dev); |
894 | ||
59d2334a PF |
895 | wdata->ac.properties = wacom_ac_props; |
896 | wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props); | |
897 | wdata->ac.get_property = wacom_ac_get_property; | |
898 | wdata->ac.name = "wacom_ac"; | |
899 | wdata->ac.type = POWER_SUPPLY_TYPE_MAINS; | |
900 | wdata->ac.use_for_apm = 0; | |
901 | ||
902 | ret = power_supply_register(&hdev->dev, &wdata->ac); | |
903 | if (ret) { | |
8908dd80 AL |
904 | hid_err(hdev, |
905 | "can't create ac battery attribute, err: %d\n", ret); | |
dde58cfc | 906 | goto err_ac; |
59d2334a | 907 | } |
d7cb3dbd PF |
908 | |
909 | power_supply_powers(&wdata->ac, &hdev->dev); | |
ca2dcd40 | 910 | return 0; |
987a6c02 | 911 | |
dde58cfc DH |
912 | err_ac: |
913 | power_supply_unregister(&wdata->battery); | |
914 | err_battery: | |
8908dd80 AL |
915 | wacom_destroy_leds(hdev); |
916 | device_remove_file(&hdev->dev, &dev_attr_oled0_img); | |
917 | device_remove_file(&hdev->dev, &dev_attr_oled1_img); | |
918 | device_remove_file(&hdev->dev, &dev_attr_oled2_img); | |
919 | device_remove_file(&hdev->dev, &dev_attr_oled3_img); | |
920 | device_remove_file(&hdev->dev, &dev_attr_oled4_img); | |
921 | device_remove_file(&hdev->dev, &dev_attr_oled5_img); | |
922 | device_remove_file(&hdev->dev, &dev_attr_oled6_img); | |
923 | device_remove_file(&hdev->dev, &dev_attr_oled7_img); | |
dde58cfc DH |
924 | device_remove_file(&hdev->dev, &dev_attr_speed); |
925 | hid_hw_stop(hdev); | |
ca2dcd40 BN |
926 | err_free: |
927 | kfree(wdata); | |
928 | return ret; | |
929 | } | |
930 | ||
931 | static void wacom_remove(struct hid_device *hdev) | |
932 | { | |
59d2334a | 933 | struct wacom_data *wdata = hid_get_drvdata(hdev); |
d13f5454 PF |
934 | |
935 | wacom_destroy_leds(hdev); | |
e3c399ee PF |
936 | device_remove_file(&hdev->dev, &dev_attr_oled0_img); |
937 | device_remove_file(&hdev->dev, &dev_attr_oled1_img); | |
938 | device_remove_file(&hdev->dev, &dev_attr_oled2_img); | |
939 | device_remove_file(&hdev->dev, &dev_attr_oled3_img); | |
940 | device_remove_file(&hdev->dev, &dev_attr_oled4_img); | |
941 | device_remove_file(&hdev->dev, &dev_attr_oled5_img); | |
942 | device_remove_file(&hdev->dev, &dev_attr_oled6_img); | |
943 | device_remove_file(&hdev->dev, &dev_attr_oled7_img); | |
9086617e | 944 | device_remove_file(&hdev->dev, &dev_attr_speed); |
ca2dcd40 | 945 | hid_hw_stop(hdev); |
59d2334a | 946 | |
59d2334a PF |
947 | power_supply_unregister(&wdata->battery); |
948 | power_supply_unregister(&wdata->ac); | |
ca2dcd40 BN |
949 | kfree(hid_get_drvdata(hdev)); |
950 | } | |
951 | ||
952 | static const struct hid_device_id wacom_devices[] = { | |
953 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, | |
78761ff9 | 954 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, |
d5e0a06f | 955 | |
ca2dcd40 BN |
956 | { } |
957 | }; | |
958 | MODULE_DEVICE_TABLE(hid, wacom_devices); | |
959 | ||
960 | static struct hid_driver wacom_driver = { | |
961 | .name = "wacom", | |
962 | .id_table = wacom_devices, | |
963 | .probe = wacom_probe, | |
964 | .remove = wacom_remove, | |
965 | .raw_event = wacom_raw_event, | |
3797ef6b | 966 | .input_mapped = wacom_input_mapped, |
ca2dcd40 | 967 | }; |
f425458e | 968 | module_hid_driver(wacom_driver); |
ca2dcd40 | 969 | |
1fa2f722 | 970 | MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL"); |
ca2dcd40 | 971 | MODULE_LICENSE("GPL"); |