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; | |
b0dd72aa BT |
131 | ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, |
132 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
e3c399ee PF |
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; | |
b0dd72aa BT |
146 | ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 67, |
147 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
e3c399ee PF |
148 | } |
149 | ||
150 | rep_data[0] = WAC_CMD_ICON_START_STOP; | |
151 | rep_data[1] = 0; | |
152 | ||
b0dd72aa BT |
153 | ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, |
154 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
e3c399ee PF |
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; | |
b0dd72aa BT |
186 | hid_hw_raw_request(hdev, buf[0], buf, 9, HID_FEATURE_REPORT, |
187 | HID_REQ_SET_REPORT); | |
d13f5454 PF |
188 | kfree(buf); |
189 | } | |
190 | ||
191 | return; | |
192 | } | |
193 | ||
194 | static enum led_brightness wacom_leds_get_brightness(struct led_classdev *led_dev) | |
195 | { | |
196 | struct wacom_data *wdata; | |
197 | struct device *dev = led_dev->dev->parent; | |
198 | int value = 0; | |
199 | int i; | |
200 | ||
201 | wdata = hid_get_drvdata(container_of(dev, struct hid_device, dev)); | |
202 | ||
203 | for (i = 0; i < 4; ++i) { | |
204 | if (wdata->leds[i] == led_dev) { | |
205 | value = wdata->leds[i]->brightness; | |
206 | break; | |
207 | } | |
208 | } | |
209 | ||
210 | return value; | |
211 | } | |
212 | ||
213 | ||
214 | static int wacom_initialize_leds(struct hid_device *hdev) | |
215 | { | |
216 | struct wacom_data *wdata = hid_get_drvdata(hdev); | |
217 | struct led_classdev *led; | |
218 | struct device *dev = &hdev->dev; | |
219 | size_t namesz = strlen(dev_name(dev)) + 12; | |
220 | char *name; | |
221 | int i, ret; | |
222 | ||
223 | wdata->led_selector = 0; | |
224 | ||
225 | for (i = 0; i < 4; i++) { | |
226 | led = kzalloc(sizeof(struct led_classdev) + namesz, GFP_KERNEL); | |
227 | if (!led) { | |
228 | hid_warn(hdev, | |
229 | "can't allocate memory for LED selector\n"); | |
230 | ret = -ENOMEM; | |
231 | goto err; | |
232 | } | |
233 | ||
234 | name = (void *)&led[1]; | |
235 | snprintf(name, namesz, "%s:selector:%d", dev_name(dev), i); | |
236 | led->name = name; | |
237 | led->brightness = 0; | |
238 | led->max_brightness = 127; | |
239 | led->brightness_get = wacom_leds_get_brightness; | |
240 | led->brightness_set = wacom_leds_set_brightness; | |
241 | ||
242 | wdata->leds[i] = led; | |
243 | ||
244 | ret = led_classdev_register(dev, wdata->leds[i]); | |
245 | ||
246 | if (ret) { | |
247 | wdata->leds[i] = NULL; | |
248 | kfree(led); | |
249 | hid_warn(hdev, "can't register LED\n"); | |
250 | goto err; | |
251 | } | |
252 | } | |
253 | ||
254 | err: | |
255 | return ret; | |
256 | } | |
257 | ||
258 | static void wacom_destroy_leds(struct hid_device *hdev) | |
259 | { | |
260 | struct wacom_data *wdata = hid_get_drvdata(hdev); | |
261 | struct led_classdev *led; | |
262 | int i; | |
263 | ||
264 | for (i = 0; i < 4; ++i) { | |
265 | if (wdata->leds[i]) { | |
266 | led = wdata->leds[i]; | |
267 | wdata->leds[i] = NULL; | |
268 | led_classdev_unregister(led); | |
269 | kfree(led); | |
270 | } | |
271 | } | |
272 | ||
273 | } | |
274 | ||
59d2334a PF |
275 | static int wacom_battery_get_property(struct power_supply *psy, |
276 | enum power_supply_property psp, | |
277 | union power_supply_propval *val) | |
278 | { | |
279 | struct wacom_data *wdata = container_of(psy, | |
280 | struct wacom_data, battery); | |
59d2334a PF |
281 | int ret = 0; |
282 | ||
283 | switch (psp) { | |
284 | case POWER_SUPPLY_PROP_PRESENT: | |
285 | val->intval = 1; | |
286 | break; | |
73db8813 JF |
287 | case POWER_SUPPLY_PROP_SCOPE: |
288 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
289 | break; | |
59d2334a | 290 | case POWER_SUPPLY_PROP_CAPACITY: |
e31e3832 | 291 | val->intval = wdata->battery_capacity; |
59d2334a | 292 | break; |
9d157624 PF |
293 | case POWER_SUPPLY_PROP_STATUS: |
294 | if (wdata->bat_charging) | |
295 | val->intval = POWER_SUPPLY_STATUS_CHARGING; | |
296 | else | |
297 | if (wdata->battery_capacity == 100 && wdata->ps_connected) | |
298 | val->intval = POWER_SUPPLY_STATUS_FULL; | |
299 | else | |
300 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | |
301 | break; | |
59d2334a PF |
302 | default: |
303 | ret = -EINVAL; | |
304 | break; | |
305 | } | |
306 | return ret; | |
307 | } | |
308 | ||
309 | static int wacom_ac_get_property(struct power_supply *psy, | |
310 | enum power_supply_property psp, | |
311 | union power_supply_propval *val) | |
312 | { | |
313 | struct wacom_data *wdata = container_of(psy, struct wacom_data, ac); | |
59d2334a PF |
314 | int ret = 0; |
315 | ||
316 | switch (psp) { | |
317 | case POWER_SUPPLY_PROP_PRESENT: | |
318 | /* fall through */ | |
319 | case POWER_SUPPLY_PROP_ONLINE: | |
e31e3832 | 320 | val->intval = wdata->ps_connected; |
59d2334a | 321 | break; |
73db8813 JF |
322 | case POWER_SUPPLY_PROP_SCOPE: |
323 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
324 | break; | |
59d2334a PF |
325 | default: |
326 | ret = -EINVAL; | |
327 | break; | |
328 | } | |
329 | return ret; | |
330 | } | |
59d2334a | 331 | |
be4925b0 | 332 | static void wacom_set_features(struct hid_device *hdev, u8 speed) |
06c7c313 | 333 | { |
20a3ce7e | 334 | struct wacom_data *wdata = hid_get_drvdata(hdev); |
06c7c313 | 335 | int limit, ret; |
d70a2ffe | 336 | __u8 rep_data[2]; |
06c7c313 | 337 | |
d70a2ffe PF |
338 | switch (hdev->product) { |
339 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
340 | rep_data[0] = 0x03 ; rep_data[1] = 0x00; | |
06c7c313 PF |
341 | limit = 3; |
342 | do { | |
b0dd72aa BT |
343 | ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, |
344 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
06c7c313 PF |
345 | } while (ret < 0 && limit-- > 0); |
346 | ||
20a3ce7e | 347 | if (ret >= 0) { |
d70a2ffe PF |
348 | if (speed == 0) |
349 | rep_data[0] = 0x05; | |
350 | else | |
351 | rep_data[0] = 0x06; | |
352 | ||
353 | rep_data[1] = 0x00; | |
354 | limit = 3; | |
355 | do { | |
b0dd72aa BT |
356 | ret = hid_hw_raw_request(hdev, rep_data[0], |
357 | rep_data, 2, HID_FEATURE_REPORT, | |
358 | HID_REQ_SET_REPORT); | |
d70a2ffe PF |
359 | } while (ret < 0 && limit-- > 0); |
360 | ||
361 | if (ret >= 0) { | |
362 | wdata->high_speed = speed; | |
363 | return; | |
364 | } | |
20a3ce7e | 365 | } |
d70a2ffe PF |
366 | |
367 | /* | |
368 | * Note that if the raw queries fail, it's not a hard failure | |
369 | * and it is safe to continue | |
370 | */ | |
371 | hid_warn(hdev, "failed to poke device, command %d, err %d\n", | |
372 | rep_data[0], ret); | |
373 | break; | |
374 | case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: | |
375 | if (speed == 1) | |
376 | wdata->features &= ~0x20; | |
377 | else | |
378 | wdata->features |= 0x20; | |
379 | ||
380 | rep_data[0] = 0x03; | |
381 | rep_data[1] = wdata->features; | |
382 | ||
b0dd72aa BT |
383 | ret = hid_hw_raw_request(hdev, rep_data[0], rep_data, 2, |
384 | HID_FEATURE_REPORT, HID_REQ_SET_REPORT); | |
d70a2ffe PF |
385 | if (ret >= 0) |
386 | wdata->high_speed = speed; | |
387 | break; | |
06c7c313 PF |
388 | } |
389 | ||
06c7c313 PF |
390 | return; |
391 | } | |
392 | ||
20a3ce7e PF |
393 | static ssize_t wacom_show_speed(struct device *dev, |
394 | struct device_attribute | |
395 | *attr, char *buf) | |
396 | { | |
397 | struct wacom_data *wdata = dev_get_drvdata(dev); | |
398 | ||
399 | return snprintf(buf, PAGE_SIZE, "%i\n", wdata->high_speed); | |
400 | } | |
401 | ||
402 | static ssize_t wacom_store_speed(struct device *dev, | |
403 | struct device_attribute *attr, | |
404 | const char *buf, size_t count) | |
405 | { | |
406 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); | |
407 | int new_speed; | |
408 | ||
409 | if (sscanf(buf, "%1d", &new_speed ) != 1) | |
410 | return -EINVAL; | |
411 | ||
412 | if (new_speed == 0 || new_speed == 1) { | |
d70a2ffe | 413 | wacom_set_features(hdev, new_speed); |
20a3ce7e PF |
414 | return strnlen(buf, PAGE_SIZE); |
415 | } else | |
416 | return -EINVAL; | |
417 | } | |
418 | ||
edd2126a | 419 | static DEVICE_ATTR(speed, S_IRUGO | S_IWUSR | S_IWGRP, |
20a3ce7e PF |
420 | wacom_show_speed, wacom_store_speed); |
421 | ||
e3c399ee PF |
422 | #define WACOM_STORE(OLED_ID) \ |
423 | static ssize_t wacom_oled##OLED_ID##_store(struct device *dev, \ | |
424 | struct device_attribute *attr, \ | |
425 | const char *buf, size_t count) \ | |
426 | { \ | |
427 | struct hid_device *hdev = container_of(dev, struct hid_device, \ | |
428 | dev); \ | |
429 | \ | |
430 | if (count != 256) \ | |
431 | return -EINVAL; \ | |
432 | \ | |
433 | wacom_set_image(hdev, buf, OLED_ID); \ | |
434 | \ | |
435 | return count; \ | |
436 | } \ | |
437 | \ | |
438 | static DEVICE_ATTR(oled##OLED_ID##_img, S_IWUSR | S_IWGRP, NULL, \ | |
439 | wacom_oled##OLED_ID##_store) | |
440 | ||
441 | WACOM_STORE(0); | |
442 | WACOM_STORE(1); | |
443 | WACOM_STORE(2); | |
444 | WACOM_STORE(3); | |
445 | WACOM_STORE(4); | |
446 | WACOM_STORE(5); | |
447 | WACOM_STORE(6); | |
448 | WACOM_STORE(7); | |
449 | ||
f6b7efc1 PF |
450 | static int wacom_gr_parse_report(struct hid_device *hdev, |
451 | struct wacom_data *wdata, | |
452 | struct input_dev *input, unsigned char *data) | |
ca2dcd40 | 453 | { |
ca2dcd40 BN |
454 | int tool, x, y, rw; |
455 | ||
ca2dcd40 | 456 | tool = 0; |
ca2dcd40 BN |
457 | /* Get X & Y positions */ |
458 | x = le16_to_cpu(*(__le16 *) &data[2]); | |
459 | y = le16_to_cpu(*(__le16 *) &data[4]); | |
460 | ||
461 | /* Get current tool identifier */ | |
462 | if (data[1] & 0x90) { /* If pen is in the in/active area */ | |
463 | switch ((data[1] >> 5) & 3) { | |
464 | case 0: /* Pen */ | |
465 | tool = BTN_TOOL_PEN; | |
466 | break; | |
467 | ||
468 | case 1: /* Rubber */ | |
469 | tool = BTN_TOOL_RUBBER; | |
470 | break; | |
471 | ||
472 | case 2: /* Mouse with wheel */ | |
473 | case 3: /* Mouse without wheel */ | |
474 | tool = BTN_TOOL_MOUSE; | |
475 | break; | |
476 | } | |
477 | ||
478 | /* Reset tool if out of active tablet area */ | |
479 | if (!(data[1] & 0x10)) | |
480 | tool = 0; | |
481 | } | |
482 | ||
483 | /* If tool changed, notify input subsystem */ | |
484 | if (wdata->tool != tool) { | |
485 | if (wdata->tool) { | |
486 | /* Completely reset old tool state */ | |
487 | if (wdata->tool == BTN_TOOL_MOUSE) { | |
488 | input_report_key(input, BTN_LEFT, 0); | |
489 | input_report_key(input, BTN_RIGHT, 0); | |
490 | input_report_key(input, BTN_MIDDLE, 0); | |
491 | input_report_abs(input, ABS_DISTANCE, | |
987a6c02 | 492 | input_abs_get_max(input, ABS_DISTANCE)); |
ca2dcd40 BN |
493 | } else { |
494 | input_report_key(input, BTN_TOUCH, 0); | |
495 | input_report_key(input, BTN_STYLUS, 0); | |
496 | input_report_key(input, BTN_STYLUS2, 0); | |
497 | input_report_abs(input, ABS_PRESSURE, 0); | |
498 | } | |
499 | input_report_key(input, wdata->tool, 0); | |
500 | input_sync(input); | |
501 | } | |
502 | wdata->tool = tool; | |
503 | if (tool) | |
504 | input_report_key(input, tool, 1); | |
505 | } | |
506 | ||
507 | if (tool) { | |
508 | input_report_abs(input, ABS_X, x); | |
509 | input_report_abs(input, ABS_Y, y); | |
510 | ||
511 | switch ((data[1] >> 5) & 3) { | |
512 | case 2: /* Mouse with wheel */ | |
513 | input_report_key(input, BTN_MIDDLE, data[1] & 0x04); | |
514 | rw = (data[6] & 0x01) ? -1 : | |
515 | (data[6] & 0x02) ? 1 : 0; | |
516 | input_report_rel(input, REL_WHEEL, rw); | |
517 | /* fall through */ | |
518 | ||
519 | case 3: /* Mouse without wheel */ | |
520 | input_report_key(input, BTN_LEFT, data[1] & 0x01); | |
521 | input_report_key(input, BTN_RIGHT, data[1] & 0x02); | |
522 | /* Compute distance between mouse and tablet */ | |
523 | rw = 44 - (data[6] >> 2); | |
524 | if (rw < 0) | |
525 | rw = 0; | |
526 | else if (rw > 31) | |
527 | rw = 31; | |
528 | input_report_abs(input, ABS_DISTANCE, rw); | |
529 | break; | |
530 | ||
531 | default: | |
532 | input_report_abs(input, ABS_PRESSURE, | |
533 | data[6] | (((__u16) (data[1] & 0x08)) << 5)); | |
534 | input_report_key(input, BTN_TOUCH, data[1] & 0x01); | |
535 | input_report_key(input, BTN_STYLUS, data[1] & 0x02); | |
536 | input_report_key(input, BTN_STYLUS2, (tool == BTN_TOOL_PEN) && data[1] & 0x04); | |
537 | break; | |
538 | } | |
539 | ||
540 | input_sync(input); | |
541 | } | |
542 | ||
543 | /* Report the state of the two buttons at the top of the tablet | |
544 | * as two extra fingerpad keys (buttons 4 & 5). */ | |
545 | rw = data[7] & 0x03; | |
546 | if (rw != wdata->butstate) { | |
547 | wdata->butstate = rw; | |
548 | input_report_key(input, BTN_0, rw & 0x02); | |
549 | input_report_key(input, BTN_1, rw & 0x01); | |
0e253fdb | 550 | input_report_key(input, BTN_TOOL_FINGER, 0xf0); |
ca2dcd40 BN |
551 | input_event(input, EV_MSC, MSC_SERIAL, 0xf0); |
552 | input_sync(input); | |
553 | } | |
554 | ||
e31e3832 | 555 | /* Store current battery capacity and power supply state*/ |
59d2334a | 556 | rw = (data[7] >> 2 & 0x07); |
e31e3832 PF |
557 | if (rw != wdata->power_raw) { |
558 | wdata->power_raw = rw; | |
559 | wdata->battery_capacity = batcap_gr[rw]; | |
560 | if (rw == 7) | |
561 | wdata->ps_connected = 1; | |
562 | else | |
563 | wdata->ps_connected = 0; | |
564 | } | |
ca2dcd40 BN |
565 | return 1; |
566 | } | |
78761ff9 | 567 | |
6245bde2 PF |
568 | static void wacom_i4_parse_button_report(struct wacom_data *wdata, |
569 | struct input_dev *input, unsigned char *data) | |
570 | { | |
571 | __u16 new_butstate; | |
7e503a37 PF |
572 | __u8 new_whlstate; |
573 | __u8 sync = 0; | |
574 | ||
575 | new_whlstate = data[1]; | |
576 | if (new_whlstate != wdata->whlstate) { | |
577 | wdata->whlstate = new_whlstate; | |
578 | if (new_whlstate & 0x80) { | |
579 | input_report_key(input, BTN_TOUCH, 1); | |
580 | input_report_abs(input, ABS_WHEEL, (new_whlstate & 0x7f)); | |
581 | input_report_key(input, BTN_TOOL_FINGER, 1); | |
582 | } else { | |
583 | input_report_key(input, BTN_TOUCH, 0); | |
584 | input_report_abs(input, ABS_WHEEL, 0); | |
585 | input_report_key(input, BTN_TOOL_FINGER, 0); | |
586 | } | |
587 | sync = 1; | |
588 | } | |
6245bde2 PF |
589 | |
590 | new_butstate = (data[3] << 1) | (data[2] & 0x01); | |
591 | if (new_butstate != wdata->butstate) { | |
592 | wdata->butstate = new_butstate; | |
593 | input_report_key(input, BTN_0, new_butstate & 0x001); | |
594 | input_report_key(input, BTN_1, new_butstate & 0x002); | |
595 | input_report_key(input, BTN_2, new_butstate & 0x004); | |
596 | input_report_key(input, BTN_3, new_butstate & 0x008); | |
597 | input_report_key(input, BTN_4, new_butstate & 0x010); | |
598 | input_report_key(input, BTN_5, new_butstate & 0x020); | |
599 | input_report_key(input, BTN_6, new_butstate & 0x040); | |
600 | input_report_key(input, BTN_7, new_butstate & 0x080); | |
601 | input_report_key(input, BTN_8, new_butstate & 0x100); | |
602 | input_report_key(input, BTN_TOOL_FINGER, 1); | |
7e503a37 PF |
603 | sync = 1; |
604 | } | |
605 | ||
606 | if (sync) { | |
6245bde2 PF |
607 | input_report_abs(input, ABS_MISC, PAD_DEVICE_ID); |
608 | input_event(input, EV_MSC, MSC_SERIAL, 0xffffffff); | |
609 | input_sync(input); | |
610 | } | |
611 | } | |
612 | ||
78761ff9 PF |
613 | static void wacom_i4_parse_pen_report(struct wacom_data *wdata, |
614 | struct input_dev *input, unsigned char *data) | |
615 | { | |
616 | __u16 x, y, pressure; | |
e0829e9c | 617 | __u8 distance; |
c653daba | 618 | __u8 tilt_x, tilt_y; |
78761ff9 PF |
619 | |
620 | switch (data[1]) { | |
621 | case 0x80: /* Out of proximity report */ | |
78761ff9 PF |
622 | input_report_key(input, BTN_TOUCH, 0); |
623 | input_report_abs(input, ABS_PRESSURE, 0); | |
693f45bb PF |
624 | input_report_key(input, BTN_STYLUS, 0); |
625 | input_report_key(input, BTN_STYLUS2, 0); | |
78761ff9 | 626 | input_report_key(input, wdata->tool, 0); |
2470900b PF |
627 | input_report_abs(input, ABS_MISC, 0); |
628 | input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); | |
32db737f | 629 | wdata->tool = 0; |
78761ff9 PF |
630 | input_sync(input); |
631 | break; | |
632 | case 0xC2: /* Tool report */ | |
2470900b | 633 | wdata->id = ((data[2] << 4) | (data[3] >> 4) | |
78761ff9 | 634 | ((data[7] & 0x0f) << 20) | |
2470900b PF |
635 | ((data[8] & 0xf0) << 12)); |
636 | wdata->serial = ((data[3] & 0x0f) << 28) + | |
637 | (data[4] << 20) + (data[5] << 12) + | |
638 | (data[6] << 4) + (data[7] >> 4); | |
78761ff9 | 639 | |
2470900b PF |
640 | switch (wdata->id) { |
641 | case 0x100802: | |
78761ff9 PF |
642 | wdata->tool = BTN_TOOL_PEN; |
643 | break; | |
2470900b | 644 | case 0x10080A: |
78761ff9 PF |
645 | wdata->tool = BTN_TOOL_RUBBER; |
646 | break; | |
647 | } | |
648 | break; | |
649 | default: /* Position/pressure report */ | |
650 | x = data[2] << 9 | data[3] << 1 | ((data[9] & 0x02) >> 1); | |
651 | y = data[4] << 9 | data[5] << 1 | (data[9] & 0x01); | |
652 | pressure = (data[6] << 3) | ((data[7] & 0xC0) >> 5) | |
653 | | (data[1] & 0x01); | |
e0829e9c | 654 | distance = (data[9] >> 2) & 0x3f; |
c653daba PF |
655 | tilt_x = ((data[7] << 1) & 0x7e) | (data[8] >> 7); |
656 | tilt_y = data[8] & 0x7f; | |
78761ff9 PF |
657 | |
658 | input_report_key(input, BTN_TOUCH, pressure > 1); | |
659 | ||
660 | input_report_key(input, BTN_STYLUS, data[1] & 0x02); | |
661 | input_report_key(input, BTN_STYLUS2, data[1] & 0x04); | |
662 | input_report_key(input, wdata->tool, 1); | |
663 | input_report_abs(input, ABS_X, x); | |
664 | input_report_abs(input, ABS_Y, y); | |
665 | input_report_abs(input, ABS_PRESSURE, pressure); | |
e0829e9c | 666 | input_report_abs(input, ABS_DISTANCE, distance); |
c653daba PF |
667 | input_report_abs(input, ABS_TILT_X, tilt_x); |
668 | input_report_abs(input, ABS_TILT_Y, tilt_y); | |
2470900b PF |
669 | input_report_abs(input, ABS_MISC, wdata->id); |
670 | input_event(input, EV_MSC, MSC_SERIAL, wdata->serial); | |
671 | input_report_key(input, wdata->tool, 1); | |
78761ff9 PF |
672 | input_sync(input); |
673 | break; | |
674 | } | |
675 | ||
676 | return; | |
677 | } | |
678 | ||
679 | static void wacom_i4_parse_report(struct hid_device *hdev, | |
680 | struct wacom_data *wdata, | |
681 | struct input_dev *input, unsigned char *data) | |
682 | { | |
683 | switch (data[0]) { | |
684 | case 0x00: /* Empty report */ | |
685 | break; | |
686 | case 0x02: /* Pen report */ | |
687 | wacom_i4_parse_pen_report(wdata, input, data); | |
688 | break; | |
689 | case 0x03: /* Features Report */ | |
690 | wdata->features = data[2]; | |
691 | break; | |
692 | case 0x0C: /* Button report */ | |
6245bde2 | 693 | wacom_i4_parse_button_report(wdata, input, data); |
78761ff9 PF |
694 | break; |
695 | default: | |
696 | hid_err(hdev, "Unknown report: %d,%d\n", data[0], data[1]); | |
697 | break; | |
698 | } | |
699 | } | |
700 | ||
f6b7efc1 PF |
701 | static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, |
702 | u8 *raw_data, int size) | |
703 | { | |
704 | struct wacom_data *wdata = hid_get_drvdata(hdev); | |
705 | struct hid_input *hidinput; | |
706 | struct input_dev *input; | |
707 | unsigned char *data = (unsigned char *) raw_data; | |
78761ff9 | 708 | int i; |
4202f1de | 709 | __u8 power_raw; |
f6b7efc1 PF |
710 | |
711 | if (!(hdev->claimed & HID_CLAIMED_INPUT)) | |
712 | return 0; | |
713 | ||
714 | hidinput = list_entry(hdev->inputs.next, struct hid_input, list); | |
715 | input = hidinput->input; | |
716 | ||
78761ff9 PF |
717 | switch (hdev->product) { |
718 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
163a6ae1 PF |
719 | if (data[0] == 0x03) { |
720 | return wacom_gr_parse_report(hdev, wdata, input, data); | |
721 | } else { | |
722 | hid_err(hdev, "Unknown report: %d,%d size:%d\n", | |
723 | data[0], data[1], size); | |
724 | return 0; | |
725 | } | |
78761ff9 PF |
726 | break; |
727 | case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: | |
728 | i = 1; | |
729 | ||
730 | switch (data[0]) { | |
731 | case 0x04: | |
732 | wacom_i4_parse_report(hdev, wdata, input, data + i); | |
733 | i += 10; | |
734 | /* fall through */ | |
735 | case 0x03: | |
736 | wacom_i4_parse_report(hdev, wdata, input, data + i); | |
737 | i += 10; | |
738 | wacom_i4_parse_report(hdev, wdata, input, data + i); | |
4202f1de PF |
739 | power_raw = data[i+10]; |
740 | if (power_raw != wdata->power_raw) { | |
741 | wdata->power_raw = power_raw; | |
742 | wdata->battery_capacity = batcap_i4[power_raw & 0x07]; | |
9d157624 PF |
743 | wdata->bat_charging = (power_raw & 0x08) ? 1 : 0; |
744 | wdata->ps_connected = (power_raw & 0x10) ? 1 : 0; | |
4202f1de PF |
745 | } |
746 | ||
78761ff9 PF |
747 | break; |
748 | default: | |
749 | hid_err(hdev, "Unknown report: %d,%d size:%d\n", | |
750 | data[0], data[1], size); | |
751 | return 0; | |
752 | } | |
753 | } | |
754 | return 1; | |
f6b7efc1 | 755 | } |
ca2dcd40 | 756 | |
3797ef6b DH |
757 | static int wacom_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
758 | struct hid_field *field, struct hid_usage *usage, unsigned long **bit, | |
759 | int *max) | |
760 | { | |
761 | struct input_dev *input = hi->input; | |
762 | ||
f6f12427 JK |
763 | __set_bit(INPUT_PROP_POINTER, input->propbit); |
764 | ||
3797ef6b DH |
765 | /* Basics */ |
766 | input->evbit[0] |= BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_REL); | |
767 | ||
768 | __set_bit(REL_WHEEL, input->relbit); | |
769 | ||
770 | __set_bit(BTN_TOOL_PEN, input->keybit); | |
771 | __set_bit(BTN_TOUCH, input->keybit); | |
772 | __set_bit(BTN_STYLUS, input->keybit); | |
773 | __set_bit(BTN_STYLUS2, input->keybit); | |
774 | __set_bit(BTN_LEFT, input->keybit); | |
775 | __set_bit(BTN_RIGHT, input->keybit); | |
776 | __set_bit(BTN_MIDDLE, input->keybit); | |
777 | ||
778 | /* Pad */ | |
9a911da8 | 779 | input_set_capability(input, EV_MSC, MSC_SERIAL); |
3797ef6b DH |
780 | |
781 | __set_bit(BTN_0, input->keybit); | |
782 | __set_bit(BTN_1, input->keybit); | |
783 | __set_bit(BTN_TOOL_FINGER, input->keybit); | |
784 | ||
785 | /* Distance, rubber and mouse */ | |
786 | __set_bit(BTN_TOOL_RUBBER, input->keybit); | |
787 | __set_bit(BTN_TOOL_MOUSE, input->keybit); | |
788 | ||
78761ff9 PF |
789 | switch (hdev->product) { |
790 | case USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH: | |
791 | input_set_abs_params(input, ABS_X, 0, 16704, 4, 0); | |
792 | input_set_abs_params(input, ABS_Y, 0, 12064, 4, 0); | |
793 | input_set_abs_params(input, ABS_PRESSURE, 0, 511, 0, 0); | |
794 | input_set_abs_params(input, ABS_DISTANCE, 0, 32, 0, 0); | |
795 | break; | |
796 | case USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH: | |
7e503a37 | 797 | __set_bit(ABS_WHEEL, input->absbit); |
2c653e6b | 798 | __set_bit(ABS_MISC, input->absbit); |
6245bde2 PF |
799 | __set_bit(BTN_2, input->keybit); |
800 | __set_bit(BTN_3, input->keybit); | |
801 | __set_bit(BTN_4, input->keybit); | |
802 | __set_bit(BTN_5, input->keybit); | |
803 | __set_bit(BTN_6, input->keybit); | |
804 | __set_bit(BTN_7, input->keybit); | |
805 | __set_bit(BTN_8, input->keybit); | |
7e503a37 | 806 | input_set_abs_params(input, ABS_WHEEL, 0, 71, 0, 0); |
78761ff9 PF |
807 | input_set_abs_params(input, ABS_X, 0, 40640, 4, 0); |
808 | input_set_abs_params(input, ABS_Y, 0, 25400, 4, 0); | |
809 | input_set_abs_params(input, ABS_PRESSURE, 0, 2047, 0, 0); | |
e0829e9c | 810 | input_set_abs_params(input, ABS_DISTANCE, 0, 63, 0, 0); |
c653daba PF |
811 | input_set_abs_params(input, ABS_TILT_X, 0, 127, 0, 0); |
812 | input_set_abs_params(input, ABS_TILT_Y, 0, 127, 0, 0); | |
78761ff9 PF |
813 | break; |
814 | } | |
3797ef6b DH |
815 | |
816 | return 0; | |
817 | } | |
818 | ||
ca2dcd40 BN |
819 | static int wacom_probe(struct hid_device *hdev, |
820 | const struct hid_device_id *id) | |
821 | { | |
ca2dcd40 BN |
822 | struct wacom_data *wdata; |
823 | int ret; | |
824 | ||
825 | wdata = kzalloc(sizeof(*wdata), GFP_KERNEL); | |
826 | if (wdata == NULL) { | |
4291ee30 | 827 | hid_err(hdev, "can't alloc wacom descriptor\n"); |
ca2dcd40 BN |
828 | return -ENOMEM; |
829 | } | |
830 | ||
831 | hid_set_drvdata(hdev, wdata); | |
832 | ||
46a709b9 | 833 | /* Parse the HID report now */ |
ca2dcd40 BN |
834 | ret = hid_parse(hdev); |
835 | if (ret) { | |
4291ee30 | 836 | hid_err(hdev, "parse failed\n"); |
ca2dcd40 BN |
837 | goto err_free; |
838 | } | |
839 | ||
840 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); | |
841 | if (ret) { | |
4291ee30 | 842 | hid_err(hdev, "hw start failed\n"); |
ca2dcd40 BN |
843 | goto err_free; |
844 | } | |
845 | ||
20a3ce7e PF |
846 | ret = device_create_file(&hdev->dev, &dev_attr_speed); |
847 | if (ret) | |
4291ee30 JP |
848 | hid_warn(hdev, |
849 | "can't create sysfs speed attribute err: %d\n", ret); | |
342f31e8 | 850 | |
e3c399ee PF |
851 | #define OLED_INIT(OLED_ID) \ |
852 | do { \ | |
853 | ret = device_create_file(&hdev->dev, \ | |
854 | &dev_attr_oled##OLED_ID##_img); \ | |
855 | if (ret) \ | |
856 | hid_warn(hdev, \ | |
857 | "can't create sysfs oled attribute, err: %d\n", ret);\ | |
858 | } while (0) | |
859 | ||
860 | OLED_INIT(0); | |
861 | OLED_INIT(1); | |
862 | OLED_INIT(2); | |
863 | OLED_INIT(3); | |
864 | OLED_INIT(4); | |
865 | OLED_INIT(5); | |
866 | OLED_INIT(6); | |
867 | OLED_INIT(7); | |
868 | ||
d70a2ffe PF |
869 | wdata->features = 0; |
870 | wacom_set_features(hdev, 1); | |
871 | ||
872 | if (hdev->product == USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) { | |
a72c5ddb | 873 | sprintf(hdev->name, "%s", "Wacom Intuos4 WL"); |
d13f5454 | 874 | ret = wacom_initialize_leds(hdev); |
8908dd80 | 875 | if (ret) |
d13f5454 PF |
876 | hid_warn(hdev, |
877 | "can't create led attribute, err: %d\n", ret); | |
78761ff9 | 878 | } |
46a709b9 | 879 | |
59d2334a PF |
880 | wdata->battery.properties = wacom_battery_props; |
881 | wdata->battery.num_properties = ARRAY_SIZE(wacom_battery_props); | |
882 | wdata->battery.get_property = wacom_battery_get_property; | |
883 | wdata->battery.name = "wacom_battery"; | |
884 | wdata->battery.type = POWER_SUPPLY_TYPE_BATTERY; | |
885 | wdata->battery.use_for_apm = 0; | |
46a709b9 | 886 | |
35b4c01e | 887 | |
59d2334a PF |
888 | ret = power_supply_register(&hdev->dev, &wdata->battery); |
889 | if (ret) { | |
8908dd80 AL |
890 | hid_err(hdev, "can't create sysfs battery attribute, err: %d\n", |
891 | ret); | |
dde58cfc | 892 | goto err_battery; |
59d2334a PF |
893 | } |
894 | ||
d7cb3dbd PF |
895 | power_supply_powers(&wdata->battery, &hdev->dev); |
896 | ||
59d2334a PF |
897 | wdata->ac.properties = wacom_ac_props; |
898 | wdata->ac.num_properties = ARRAY_SIZE(wacom_ac_props); | |
899 | wdata->ac.get_property = wacom_ac_get_property; | |
900 | wdata->ac.name = "wacom_ac"; | |
901 | wdata->ac.type = POWER_SUPPLY_TYPE_MAINS; | |
902 | wdata->ac.use_for_apm = 0; | |
903 | ||
904 | ret = power_supply_register(&hdev->dev, &wdata->ac); | |
905 | if (ret) { | |
8908dd80 AL |
906 | hid_err(hdev, |
907 | "can't create ac battery attribute, err: %d\n", ret); | |
dde58cfc | 908 | goto err_ac; |
59d2334a | 909 | } |
d7cb3dbd PF |
910 | |
911 | power_supply_powers(&wdata->ac, &hdev->dev); | |
ca2dcd40 | 912 | return 0; |
987a6c02 | 913 | |
dde58cfc DH |
914 | err_ac: |
915 | power_supply_unregister(&wdata->battery); | |
916 | err_battery: | |
8908dd80 AL |
917 | wacom_destroy_leds(hdev); |
918 | device_remove_file(&hdev->dev, &dev_attr_oled0_img); | |
919 | device_remove_file(&hdev->dev, &dev_attr_oled1_img); | |
920 | device_remove_file(&hdev->dev, &dev_attr_oled2_img); | |
921 | device_remove_file(&hdev->dev, &dev_attr_oled3_img); | |
922 | device_remove_file(&hdev->dev, &dev_attr_oled4_img); | |
923 | device_remove_file(&hdev->dev, &dev_attr_oled5_img); | |
924 | device_remove_file(&hdev->dev, &dev_attr_oled6_img); | |
925 | device_remove_file(&hdev->dev, &dev_attr_oled7_img); | |
dde58cfc DH |
926 | device_remove_file(&hdev->dev, &dev_attr_speed); |
927 | hid_hw_stop(hdev); | |
ca2dcd40 BN |
928 | err_free: |
929 | kfree(wdata); | |
930 | return ret; | |
931 | } | |
932 | ||
933 | static void wacom_remove(struct hid_device *hdev) | |
934 | { | |
59d2334a | 935 | struct wacom_data *wdata = hid_get_drvdata(hdev); |
d13f5454 PF |
936 | |
937 | wacom_destroy_leds(hdev); | |
e3c399ee PF |
938 | device_remove_file(&hdev->dev, &dev_attr_oled0_img); |
939 | device_remove_file(&hdev->dev, &dev_attr_oled1_img); | |
940 | device_remove_file(&hdev->dev, &dev_attr_oled2_img); | |
941 | device_remove_file(&hdev->dev, &dev_attr_oled3_img); | |
942 | device_remove_file(&hdev->dev, &dev_attr_oled4_img); | |
943 | device_remove_file(&hdev->dev, &dev_attr_oled5_img); | |
944 | device_remove_file(&hdev->dev, &dev_attr_oled6_img); | |
945 | device_remove_file(&hdev->dev, &dev_attr_oled7_img); | |
9086617e | 946 | device_remove_file(&hdev->dev, &dev_attr_speed); |
ca2dcd40 | 947 | hid_hw_stop(hdev); |
59d2334a | 948 | |
59d2334a PF |
949 | power_supply_unregister(&wdata->battery); |
950 | power_supply_unregister(&wdata->ac); | |
ca2dcd40 BN |
951 | kfree(hid_get_drvdata(hdev)); |
952 | } | |
953 | ||
954 | static const struct hid_device_id wacom_devices[] = { | |
955 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) }, | |
78761ff9 | 956 | { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) }, |
d5e0a06f | 957 | |
ca2dcd40 BN |
958 | { } |
959 | }; | |
960 | MODULE_DEVICE_TABLE(hid, wacom_devices); | |
961 | ||
962 | static struct hid_driver wacom_driver = { | |
963 | .name = "wacom", | |
964 | .id_table = wacom_devices, | |
965 | .probe = wacom_probe, | |
966 | .remove = wacom_remove, | |
967 | .raw_event = wacom_raw_event, | |
3797ef6b | 968 | .input_mapped = wacom_input_mapped, |
ca2dcd40 | 969 | }; |
f425458e | 970 | module_hid_driver(wacom_driver); |
ca2dcd40 | 971 | |
1fa2f722 | 972 | MODULE_DESCRIPTION("Driver for Wacom Graphire Bluetooth and Wacom Intuos4 WL"); |
ca2dcd40 | 973 | MODULE_LICENSE("GPL"); |