Commit | Line | Data |
---|---|---|
3bea733a | 1 | /* |
4104d13f | 2 | * drivers/input/tablet/wacom_sys.c |
3bea733a | 3 | * |
232f5693 | 4 | * USB Wacom tablet support - system specific code |
3bea733a PC |
5 | */ |
6 | ||
7 | /* | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | */ | |
13 | ||
3bea733a | 14 | #include "wacom_wac.h" |
51269fe8 | 15 | #include "wacom.h" |
b58ba1ba | 16 | #include <linux/input/mt.h> |
3bea733a | 17 | |
a417ea44 | 18 | #define WAC_MSG_RETRIES 5 |
5d7e7d47 EH |
19 | #define WAC_CMD_RETRIES 10 |
20 | ||
e0984bc3 PC |
21 | #define DEV_ATTR_RW_PERM (S_IRUGO | S_IWUSR | S_IWGRP) |
22 | #define DEV_ATTR_WO_PERM (S_IWUSR | S_IWGRP) | |
72b236d6 | 23 | #define DEV_ATTR_RO_PERM (S_IRUSR | S_IRGRP) |
e0984bc3 | 24 | |
c64d8834 PC |
25 | static int wacom_get_report(struct hid_device *hdev, u8 type, u8 *buf, |
26 | size_t size, unsigned int retries) | |
3bea733a | 27 | { |
5d7e7d47 EH |
28 | int retval; |
29 | ||
30 | do { | |
c64d8834 | 31 | retval = hid_hw_raw_request(hdev, buf[0], buf, size, type, |
27b20a9d | 32 | HID_REQ_GET_REPORT); |
aef3156d JG |
33 | } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries); |
34 | ||
35 | if (retval < 0) | |
36 | hid_err(hdev, "wacom_get_report: ran out of retries " | |
37 | "(last error = %d)\n", retval); | |
5d7e7d47 EH |
38 | |
39 | return retval; | |
3bea733a PC |
40 | } |
41 | ||
296b7378 PF |
42 | static int wacom_set_report(struct hid_device *hdev, u8 type, u8 *buf, |
43 | size_t size, unsigned int retries) | |
3bea733a | 44 | { |
5d7e7d47 EH |
45 | int retval; |
46 | ||
47 | do { | |
296b7378 | 48 | retval = hid_hw_raw_request(hdev, buf[0], buf, size, type, |
27b20a9d | 49 | HID_REQ_SET_REPORT); |
aef3156d JG |
50 | } while ((retval == -ETIMEDOUT || retval == -EAGAIN) && --retries); |
51 | ||
52 | if (retval < 0) | |
53 | hid_err(hdev, "wacom_set_report: ran out of retries " | |
54 | "(last error = %d)\n", retval); | |
5d7e7d47 EH |
55 | |
56 | return retval; | |
3bea733a PC |
57 | } |
58 | ||
83417206 JG |
59 | static void wacom_wac_queue_insert(struct hid_device *hdev, |
60 | struct kfifo_rec_ptr_2 *fifo, | |
61 | u8 *raw_data, int size) | |
62 | { | |
63 | bool warned = false; | |
64 | ||
65 | while (kfifo_avail(fifo) < size) { | |
66 | if (!warned) | |
67 | hid_warn(hdev, "%s: kfifo has filled, starting to drop events\n", __func__); | |
68 | warned = true; | |
69 | ||
70 | kfifo_skip(fifo); | |
71 | } | |
72 | ||
73 | kfifo_in(fifo, raw_data, size); | |
74 | } | |
75 | ||
76 | static void wacom_wac_queue_flush(struct hid_device *hdev, | |
77 | struct kfifo_rec_ptr_2 *fifo) | |
78 | { | |
79 | while (!kfifo_is_empty(fifo)) { | |
80 | u8 buf[WACOM_PKGLEN_MAX]; | |
81 | int size; | |
82 | int err; | |
83 | ||
84 | size = kfifo_out(fifo, buf, sizeof(buf)); | |
85 | err = hid_report_raw_event(hdev, HID_INPUT_REPORT, buf, size, false); | |
86 | if (err) { | |
87 | hid_warn(hdev, "%s: unable to flush event due to error %d\n", | |
88 | __func__, err); | |
89 | } | |
90 | } | |
91 | } | |
92 | ||
93 | static int wacom_wac_pen_serial_enforce(struct hid_device *hdev, | |
94 | struct hid_report *report, u8 *raw_data, int size) | |
95 | { | |
96 | struct wacom *wacom = hid_get_drvdata(hdev); | |
97 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; | |
98 | struct wacom_features *features = &wacom_wac->features; | |
99 | bool flush = false; | |
100 | bool insert = false; | |
101 | int i, j; | |
102 | ||
103 | if (wacom_wac->serial[0] || !(features->quirks & WACOM_QUIRK_TOOLSERIAL)) | |
104 | return 0; | |
105 | ||
106 | /* Queue events which have invalid tool type or serial number */ | |
107 | for (i = 0; i < report->maxfield; i++) { | |
108 | for (j = 0; j < report->field[i]->maxusage; j++) { | |
109 | struct hid_field *field = report->field[i]; | |
110 | struct hid_usage *usage = &field->usage[j]; | |
111 | unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); | |
112 | unsigned int offset; | |
113 | unsigned int size; | |
114 | unsigned int value; | |
115 | ||
116 | if (equivalent_usage != HID_DG_INRANGE && | |
117 | equivalent_usage != HID_DG_TOOLSERIALNUMBER && | |
118 | equivalent_usage != WACOM_HID_WD_SERIALHI && | |
119 | equivalent_usage != WACOM_HID_WD_TOOLTYPE) | |
120 | continue; | |
121 | ||
122 | offset = field->report_offset; | |
123 | size = field->report_size; | |
124 | value = hid_field_extract(hdev, raw_data+1, offset + j * size, size); | |
125 | ||
126 | /* If we go out of range, we need to flush the queue ASAP */ | |
127 | if (equivalent_usage == HID_DG_INRANGE) | |
128 | value = !value; | |
129 | ||
130 | if (value) { | |
131 | flush = true; | |
132 | switch (equivalent_usage) { | |
133 | case HID_DG_TOOLSERIALNUMBER: | |
134 | wacom_wac->serial[0] = value; | |
135 | break; | |
136 | ||
137 | case WACOM_HID_WD_SERIALHI: | |
138 | wacom_wac->serial[0] |= ((__u64)value) << 32; | |
139 | break; | |
140 | ||
141 | case WACOM_HID_WD_TOOLTYPE: | |
142 | wacom_wac->id[0] = value; | |
143 | break; | |
144 | } | |
145 | } | |
146 | else { | |
147 | insert = true; | |
148 | } | |
149 | } | |
150 | } | |
151 | ||
152 | if (flush) | |
153 | wacom_wac_queue_flush(hdev, &wacom_wac->pen_fifo); | |
154 | else if (insert) | |
155 | wacom_wac_queue_insert(hdev, &wacom_wac->pen_fifo, raw_data, size); | |
156 | ||
157 | return insert && !flush; | |
158 | } | |
159 | ||
29b47391 BT |
160 | static int wacom_raw_event(struct hid_device *hdev, struct hid_report *report, |
161 | u8 *raw_data, int size) | |
3bea733a | 162 | { |
29b47391 | 163 | struct wacom *wacom = hid_get_drvdata(hdev); |
3bea733a | 164 | |
29b47391 BT |
165 | if (size > WACOM_PKGLEN_MAX) |
166 | return 1; | |
3bea733a | 167 | |
83417206 JG |
168 | if (wacom_wac_pen_serial_enforce(hdev, report, raw_data, size)) |
169 | return -1; | |
170 | ||
29b47391 | 171 | memcpy(wacom->wacom_wac.data, raw_data, size); |
3bea733a | 172 | |
29b47391 BT |
173 | wacom_wac_irq(&wacom->wacom_wac, size); |
174 | ||
175 | return 0; | |
3bea733a PC |
176 | } |
177 | ||
3bea733a PC |
178 | static int wacom_open(struct input_dev *dev) |
179 | { | |
7791bdae | 180 | struct wacom *wacom = input_get_drvdata(dev); |
29b47391 | 181 | |
dff67416 | 182 | return hid_hw_open(wacom->hdev); |
3bea733a PC |
183 | } |
184 | ||
185 | static void wacom_close(struct input_dev *dev) | |
186 | { | |
7791bdae | 187 | struct wacom *wacom = input_get_drvdata(dev); |
3bea733a | 188 | |
3dad188e BT |
189 | /* |
190 | * wacom->hdev should never be null, but surprisingly, I had the case | |
191 | * once while unplugging the Wacom Wireless Receiver. | |
192 | */ | |
193 | if (wacom->hdev) | |
194 | hid_hw_close(wacom->hdev); | |
3bea733a PC |
195 | } |
196 | ||
115d5e12 | 197 | /* |
198fdee2 | 198 | * Calculate the resolution of the X or Y axis using hidinput_calc_abs_res. |
115d5e12 JG |
199 | */ |
200 | static int wacom_calc_hid_res(int logical_extents, int physical_extents, | |
c669fb2b | 201 | unsigned unit, int exponent) |
115d5e12 | 202 | { |
198fdee2 BT |
203 | struct hid_field field = { |
204 | .logical_maximum = logical_extents, | |
205 | .physical_maximum = physical_extents, | |
206 | .unit = unit, | |
207 | .unit_exponent = exponent, | |
208 | }; | |
209 | ||
210 | return hidinput_calc_abs_res(&field, ABS_X); | |
115d5e12 JG |
211 | } |
212 | ||
57832512 JG |
213 | static void wacom_hid_usage_quirk(struct hid_device *hdev, |
214 | struct hid_field *field, struct hid_usage *usage) | |
215 | { | |
216 | struct wacom *wacom = hid_get_drvdata(hdev); | |
217 | struct wacom_features *features = &wacom->wacom_wac.features; | |
218 | unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); | |
219 | ||
220 | /* | |
221 | * The Dell Canvas 27 needs to be switched to its vendor-defined | |
222 | * report to provide the best resolution. | |
223 | */ | |
224 | if (hdev->vendor == USB_VENDOR_ID_WACOM && | |
225 | hdev->product == 0x4200 && | |
226 | field->application == HID_UP_MSVENDOR) { | |
227 | wacom->wacom_wac.mode_report = field->report->id; | |
228 | wacom->wacom_wac.mode_value = 2; | |
229 | } | |
230 | ||
231 | /* | |
232 | * ISDv4 devices which predate HID's adoption of the | |
233 | * HID_DG_BARELSWITCH2 usage use 0x000D0000 in its | |
234 | * position instead. We can accurately detect if a | |
235 | * usage with that value should be HID_DG_BARRELSWITCH2 | |
236 | * based on the surrounding usages, which have remained | |
237 | * constant across generations. | |
238 | */ | |
239 | if (features->type == HID_GENERIC && | |
240 | usage->hid == 0x000D0000 && | |
241 | field->application == HID_DG_PEN && | |
242 | field->physical == HID_DG_STYLUS) { | |
243 | int i = usage->usage_index; | |
244 | ||
245 | if (i-4 >= 0 && i+1 < field->maxusage && | |
246 | field->usage[i-4].hid == HID_DG_TIPSWITCH && | |
247 | field->usage[i-3].hid == HID_DG_BARRELSWITCH && | |
248 | field->usage[i-2].hid == HID_DG_ERASER && | |
249 | field->usage[i-1].hid == HID_DG_INVERT && | |
250 | field->usage[i+1].hid == HID_DG_INRANGE) { | |
251 | usage->hid = HID_DG_BARRELSWITCH2; | |
252 | } | |
253 | } | |
254 | ||
255 | /* 2nd-generation Intuos Pro Large has incorrect Y maximum */ | |
256 | if (hdev->vendor == USB_VENDOR_ID_WACOM && | |
257 | hdev->product == 0x0358 && | |
258 | WACOM_PEN_FIELD(field) && | |
259 | equivalent_usage == HID_GD_Y) { | |
260 | field->logical_maximum = 43200; | |
261 | } | |
262 | } | |
263 | ||
c669fb2b BT |
264 | static void wacom_feature_mapping(struct hid_device *hdev, |
265 | struct hid_field *field, struct hid_usage *usage) | |
f393ee2b | 266 | { |
c669fb2b BT |
267 | struct wacom *wacom = hid_get_drvdata(hdev); |
268 | struct wacom_features *features = &wacom->wacom_wac.features; | |
5ae6e89f | 269 | struct hid_data *hid_data = &wacom->wacom_wac.hid_data; |
ac2423c9 | 270 | unsigned int equivalent_usage = wacom_equivalent_usage(usage->hid); |
8ffffd52 BT |
271 | u8 *data; |
272 | int ret; | |
3064a03b | 273 | u32 n; |
f393ee2b | 274 | |
57832512 JG |
275 | wacom_hid_usage_quirk(hdev, field, usage); |
276 | ||
ac2423c9 | 277 | switch (equivalent_usage) { |
c669fb2b BT |
278 | case HID_DG_CONTACTMAX: |
279 | /* leave touch_max as is if predefined */ | |
8ffffd52 BT |
280 | if (!features->touch_max) { |
281 | /* read manually */ | |
282 | data = kzalloc(2, GFP_KERNEL); | |
283 | if (!data) | |
284 | break; | |
285 | data[0] = field->report->id; | |
286 | ret = wacom_get_report(hdev, HID_FEATURE_REPORT, | |
05e8fd92 JG |
287 | data, 2, WAC_CMD_RETRIES); |
288 | if (ret == 2) { | |
8ffffd52 | 289 | features->touch_max = data[1]; |
05e8fd92 JG |
290 | } else { |
291 | features->touch_max = 16; | |
292 | hid_warn(hdev, "wacom_feature_mapping: " | |
293 | "could not get HID_DG_CONTACTMAX, " | |
294 | "defaulting to %d\n", | |
295 | features->touch_max); | |
296 | } | |
8ffffd52 BT |
297 | kfree(data); |
298 | } | |
c669fb2b | 299 | break; |
5ae6e89f BT |
300 | case HID_DG_INPUTMODE: |
301 | /* Ignore if value index is out of bounds. */ | |
302 | if (usage->usage_index >= field->report_count) { | |
303 | dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n"); | |
304 | break; | |
305 | } | |
306 | ||
307 | hid_data->inputmode = field->report->id; | |
308 | hid_data->inputmode_index = usage->usage_index; | |
309 | break; | |
326ea2a9 JG |
310 | |
311 | case HID_UP_DIGITIZER: | |
312 | if (field->report->id == 0x0B && | |
8de82280 JG |
313 | (field->application == WACOM_HID_G9_PEN || |
314 | field->application == WACOM_HID_G11_PEN)) { | |
326ea2a9 JG |
315 | wacom->wacom_wac.mode_report = field->report->id; |
316 | wacom->wacom_wac.mode_value = 0; | |
317 | } | |
318 | break; | |
319 | ||
c9c09587 JG |
320 | case WACOM_HID_WD_DATAMODE: |
321 | wacom->wacom_wac.mode_report = field->report->id; | |
322 | wacom->wacom_wac.mode_value = 2; | |
323 | break; | |
324 | ||
8de82280 JG |
325 | case WACOM_HID_UP_G9: |
326 | case WACOM_HID_UP_G11: | |
326ea2a9 | 327 | if (field->report->id == 0x03 && |
8de82280 JG |
328 | (field->application == WACOM_HID_G9_TOUCHSCREEN || |
329 | field->application == WACOM_HID_G11_TOUCHSCREEN)) { | |
326ea2a9 JG |
330 | wacom->wacom_wac.mode_report = field->report->id; |
331 | wacom->wacom_wac.mode_value = 0; | |
332 | } | |
333 | break; | |
345857bb JG |
334 | case WACOM_HID_WD_OFFSETLEFT: |
335 | case WACOM_HID_WD_OFFSETTOP: | |
336 | case WACOM_HID_WD_OFFSETRIGHT: | |
337 | case WACOM_HID_WD_OFFSETBOTTOM: | |
338 | /* read manually */ | |
339 | n = hid_report_len(field->report); | |
340 | data = hid_alloc_report_buf(field->report, GFP_KERNEL); | |
341 | if (!data) | |
342 | break; | |
343 | data[0] = field->report->id; | |
344 | ret = wacom_get_report(hdev, HID_FEATURE_REPORT, | |
345 | data, n, WAC_CMD_RETRIES); | |
346 | if (ret == n) { | |
347 | ret = hid_report_raw_event(hdev, HID_FEATURE_REPORT, | |
348 | data, n, 0); | |
349 | } else { | |
350 | hid_warn(hdev, "%s: could not retrieve sensor offsets\n", | |
351 | __func__); | |
352 | } | |
353 | kfree(data); | |
354 | break; | |
f393ee2b PC |
355 | } |
356 | } | |
357 | ||
428f8588 CB |
358 | /* |
359 | * Interface Descriptor of wacom devices can be incomplete and | |
360 | * inconsistent so wacom_features table is used to store stylus | |
361 | * device's packet lengths, various maximum values, and tablet | |
362 | * resolution based on product ID's. | |
363 | * | |
364 | * For devices that contain 2 interfaces, wacom_features table is | |
365 | * inaccurate for the touch interface. Since the Interface Descriptor | |
366 | * for touch interfaces has pretty complete data, this function exists | |
367 | * to query tablet for this missing information instead of hard coding in | |
368 | * an additional table. | |
369 | * | |
370 | * A typical Interface Descriptor for a stylus will contain a | |
371 | * boot mouse application collection that is not of interest and this | |
372 | * function will ignore it. | |
373 | * | |
374 | * It also contains a digitizer application collection that also is not | |
375 | * of interest since any information it contains would be duplicate | |
376 | * of what is in wacom_features. Usually it defines a report of an array | |
377 | * of bytes that could be used as max length of the stylus packet returned. | |
378 | * If it happens to define a Digitizer-Stylus Physical Collection then | |
379 | * the X and Y logical values contain valid data but it is ignored. | |
380 | * | |
381 | * A typical Interface Descriptor for a touch interface will contain a | |
382 | * Digitizer-Finger Physical Collection which will define both logical | |
383 | * X/Y maximum as well as the physical size of tablet. Since touch | |
384 | * interfaces haven't supported pressure or distance, this is enough | |
385 | * information to override invalid values in the wacom_features table. | |
4134361a | 386 | * |
c669fb2b BT |
387 | * Intuos5 touch interface and 3rd gen Bamboo Touch do not contain useful |
388 | * data. We deal with them after returning from this function. | |
428f8588 | 389 | */ |
c669fb2b BT |
390 | static void wacom_usage_mapping(struct hid_device *hdev, |
391 | struct hid_field *field, struct hid_usage *usage) | |
545f4e99 | 392 | { |
c669fb2b BT |
393 | struct wacom *wacom = hid_get_drvdata(hdev); |
394 | struct wacom_features *features = &wacom->wacom_wac.features; | |
d97a5522 BT |
395 | bool finger = WACOM_FINGER_FIELD(field); |
396 | bool pen = WACOM_PEN_FIELD(field); | |
418b573b | 397 | unsigned equivalent_usage = wacom_equivalent_usage(usage->hid); |
e9fc413f | 398 | |
c669fb2b BT |
399 | /* |
400 | * Requiring Stylus Usage will ignore boot mouse | |
401 | * X/Y values and some cases of invalid Digitizer X/Y | |
402 | * values commonly reported. | |
403 | */ | |
042628ab | 404 | if (pen) |
aa86b18c | 405 | features->device_type |= WACOM_DEVICETYPE_PEN; |
042628ab | 406 | else if (finger) |
aa86b18c | 407 | features->device_type |= WACOM_DEVICETYPE_TOUCH; |
042628ab | 408 | else |
c669fb2b BT |
409 | return; |
410 | ||
57832512 | 411 | wacom_hid_usage_quirk(hdev, field, usage); |
d471b6b2 | 412 | |
418b573b | 413 | switch (equivalent_usage) { |
c669fb2b BT |
414 | case HID_GD_X: |
415 | features->x_max = field->logical_maximum; | |
416 | if (finger) { | |
c669fb2b | 417 | features->x_phy = field->physical_maximum; |
3b164a00 PC |
418 | if ((features->type != BAMBOO_PT) && |
419 | (features->type != BAMBOO_TOUCH)) { | |
c669fb2b BT |
420 | features->unit = field->unit; |
421 | features->unitExpo = field->unit_exponent; | |
545f4e99 | 422 | } |
c669fb2b BT |
423 | } |
424 | break; | |
425 | case HID_GD_Y: | |
426 | features->y_max = field->logical_maximum; | |
427 | if (finger) { | |
428 | features->y_phy = field->physical_maximum; | |
3b164a00 PC |
429 | if ((features->type != BAMBOO_PT) && |
430 | (features->type != BAMBOO_TOUCH)) { | |
c669fb2b BT |
431 | features->unit = field->unit; |
432 | features->unitExpo = field->unit_exponent; | |
433 | } | |
434 | } | |
435 | break; | |
436 | case HID_DG_TIPPRESSURE: | |
437 | if (pen) | |
438 | features->pressure_max = field->logical_maximum; | |
439 | break; | |
440 | } | |
7704ac93 BT |
441 | |
442 | if (features->type == HID_GENERIC) | |
443 | wacom_wac_usage_mapping(hdev, field, usage); | |
c669fb2b | 444 | } |
4134361a | 445 | |
b58ba1ba JG |
446 | static void wacom_post_parse_hid(struct hid_device *hdev, |
447 | struct wacom_features *features) | |
448 | { | |
449 | struct wacom *wacom = hid_get_drvdata(hdev); | |
450 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; | |
451 | ||
452 | if (features->type == HID_GENERIC) { | |
453 | /* Any last-minute generic device setup */ | |
4082da80 BT |
454 | if (wacom_wac->has_mode_change) { |
455 | if (wacom_wac->is_direct_mode) | |
456 | features->device_type |= WACOM_DEVICETYPE_DIRECT; | |
457 | else | |
458 | features->device_type &= ~WACOM_DEVICETYPE_DIRECT; | |
459 | } | |
460 | ||
b58ba1ba | 461 | if (features->touch_max > 1) { |
ac2423c9 AAS |
462 | if (features->device_type & WACOM_DEVICETYPE_DIRECT) |
463 | input_mt_init_slots(wacom_wac->touch_input, | |
464 | wacom_wac->features.touch_max, | |
465 | INPUT_MT_DIRECT); | |
466 | else | |
467 | input_mt_init_slots(wacom_wac->touch_input, | |
468 | wacom_wac->features.touch_max, | |
469 | INPUT_MT_POINTER); | |
b58ba1ba JG |
470 | } |
471 | } | |
472 | } | |
473 | ||
c669fb2b BT |
474 | static void wacom_parse_hid(struct hid_device *hdev, |
475 | struct wacom_features *features) | |
476 | { | |
477 | struct hid_report_enum *rep_enum; | |
478 | struct hid_report *hreport; | |
479 | int i, j; | |
480 | ||
481 | /* check features first */ | |
482 | rep_enum = &hdev->report_enum[HID_FEATURE_REPORT]; | |
483 | list_for_each_entry(hreport, &rep_enum->report_list, list) { | |
484 | for (i = 0; i < hreport->maxfield; i++) { | |
485 | /* Ignore if report count is out of bounds. */ | |
486 | if (hreport->field[i]->report_count < 1) | |
487 | continue; | |
488 | ||
489 | for (j = 0; j < hreport->field[i]->maxusage; j++) { | |
490 | wacom_feature_mapping(hdev, hreport->field[i], | |
491 | hreport->field[i]->usage + j); | |
4134361a | 492 | } |
545f4e99 PC |
493 | } |
494 | } | |
495 | ||
c669fb2b BT |
496 | /* now check the input usages */ |
497 | rep_enum = &hdev->report_enum[HID_INPUT_REPORT]; | |
498 | list_for_each_entry(hreport, &rep_enum->report_list, list) { | |
499 | ||
500 | if (!hreport->maxfield) | |
501 | continue; | |
502 | ||
503 | for (i = 0; i < hreport->maxfield; i++) | |
504 | for (j = 0; j < hreport->field[i]->maxusage; j++) | |
505 | wacom_usage_mapping(hdev, hreport->field[i], | |
506 | hreport->field[i]->usage + j); | |
507 | } | |
b58ba1ba JG |
508 | |
509 | wacom_post_parse_hid(hdev, features); | |
545f4e99 PC |
510 | } |
511 | ||
5ae6e89f BT |
512 | static int wacom_hid_set_device_mode(struct hid_device *hdev) |
513 | { | |
514 | struct wacom *wacom = hid_get_drvdata(hdev); | |
515 | struct hid_data *hid_data = &wacom->wacom_wac.hid_data; | |
516 | struct hid_report *r; | |
517 | struct hid_report_enum *re; | |
518 | ||
519 | if (hid_data->inputmode < 0) | |
520 | return 0; | |
521 | ||
522 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
523 | r = re->report_id_hash[hid_data->inputmode]; | |
524 | if (r) { | |
525 | r->field[0]->value[hid_data->inputmode_index] = 2; | |
526 | hid_hw_request(hdev, r, HID_REQ_SET_REPORT); | |
527 | } | |
528 | return 0; | |
529 | } | |
530 | ||
326ea2a9 JG |
531 | static int wacom_set_device_mode(struct hid_device *hdev, |
532 | struct wacom_wac *wacom_wac) | |
3b7307c2 | 533 | { |
326ea2a9 JG |
534 | u8 *rep_data; |
535 | struct hid_report *r; | |
536 | struct hid_report_enum *re; | |
3064a03b | 537 | u32 length; |
fe494bc2 | 538 | int error = -ENOMEM, limit = 0; |
3b7307c2 | 539 | |
326ea2a9 JG |
540 | if (wacom_wac->mode_report < 0) |
541 | return 0; | |
542 | ||
543 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); | |
544 | r = re->report_id_hash[wacom_wac->mode_report]; | |
545 | if (!r) | |
546 | return -EINVAL; | |
547 | ||
548 | rep_data = hid_alloc_report_buf(r, GFP_KERNEL); | |
3b7307c2 | 549 | if (!rep_data) |
326ea2a9 JG |
550 | return -ENOMEM; |
551 | ||
552 | length = hid_report_len(r); | |
ec67bbed | 553 | |
fe494bc2 | 554 | do { |
326ea2a9 JG |
555 | rep_data[0] = wacom_wac->mode_report; |
556 | rep_data[1] = wacom_wac->mode_value; | |
9937c026 | 557 | |
296b7378 PF |
558 | error = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, |
559 | length, 1); | |
3cb83157 | 560 | if (error >= 0) |
27b20a9d | 561 | error = wacom_get_report(hdev, HID_FEATURE_REPORT, |
c64d8834 | 562 | rep_data, length, 1); |
326ea2a9 JG |
563 | } while (error >= 0 && |
564 | rep_data[1] != wacom_wac->mode_report && | |
565 | limit++ < WAC_MSG_RETRIES); | |
fe494bc2 JG |
566 | |
567 | kfree(rep_data); | |
568 | ||
569 | return error < 0 ? error : 0; | |
570 | } | |
571 | ||
f81a1295 BT |
572 | static int wacom_bt_query_tablet_data(struct hid_device *hdev, u8 speed, |
573 | struct wacom_features *features) | |
574 | { | |
387142bb BT |
575 | struct wacom *wacom = hid_get_drvdata(hdev); |
576 | int ret; | |
577 | u8 rep_data[2]; | |
578 | ||
579 | switch (features->type) { | |
580 | case GRAPHIRE_BT: | |
581 | rep_data[0] = 0x03; | |
582 | rep_data[1] = 0x00; | |
296b7378 PF |
583 | ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, |
584 | 3); | |
387142bb BT |
585 | |
586 | if (ret >= 0) { | |
587 | rep_data[0] = speed == 0 ? 0x05 : 0x06; | |
588 | rep_data[1] = 0x00; | |
589 | ||
590 | ret = wacom_set_report(hdev, HID_FEATURE_REPORT, | |
296b7378 | 591 | rep_data, 2, 3); |
387142bb BT |
592 | |
593 | if (ret >= 0) { | |
594 | wacom->wacom_wac.bt_high_speed = speed; | |
595 | return 0; | |
596 | } | |
597 | } | |
598 | ||
599 | /* | |
600 | * Note that if the raw queries fail, it's not a hard failure | |
601 | * and it is safe to continue | |
602 | */ | |
603 | hid_warn(hdev, "failed to poke device, command %d, err %d\n", | |
604 | rep_data[0], ret); | |
605 | break; | |
81af7e61 BT |
606 | case INTUOS4WL: |
607 | if (speed == 1) | |
608 | wacom->wacom_wac.bt_features &= ~0x20; | |
609 | else | |
610 | wacom->wacom_wac.bt_features |= 0x20; | |
611 | ||
612 | rep_data[0] = 0x03; | |
613 | rep_data[1] = wacom->wacom_wac.bt_features; | |
614 | ||
296b7378 PF |
615 | ret = wacom_set_report(hdev, HID_FEATURE_REPORT, rep_data, 2, |
616 | 1); | |
81af7e61 BT |
617 | if (ret >= 0) |
618 | wacom->wacom_wac.bt_high_speed = speed; | |
619 | break; | |
387142bb BT |
620 | } |
621 | ||
f81a1295 BT |
622 | return 0; |
623 | } | |
624 | ||
fe494bc2 JG |
625 | /* |
626 | * Switch the tablet into its most-capable mode. Wacom tablets are | |
627 | * typically configured to power-up in a mode which sends mouse-like | |
628 | * reports to the OS. To get absolute position, pressure data, etc. | |
629 | * from the tablet, it is necessary to switch the tablet out of this | |
630 | * mode and into one which sends the full range of tablet data. | |
631 | */ | |
a544c619 | 632 | static int _wacom_query_tablet_data(struct wacom *wacom) |
fe494bc2 | 633 | { |
a544c619 | 634 | struct hid_device *hdev = wacom->hdev; |
326ea2a9 | 635 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
a544c619 | 636 | struct wacom_features *features = &wacom_wac->features; |
326ea2a9 | 637 | |
f81a1295 BT |
638 | if (hdev->bus == BUS_BLUETOOTH) |
639 | return wacom_bt_query_tablet_data(hdev, 1, features); | |
640 | ||
326ea2a9 JG |
641 | if (features->type != HID_GENERIC) { |
642 | if (features->device_type & WACOM_DEVICETYPE_TOUCH) { | |
643 | if (features->type > TABLETPC) { | |
644 | /* MT Tablet PC touch */ | |
645 | wacom_wac->mode_report = 3; | |
646 | wacom_wac->mode_value = 4; | |
647 | } else if (features->type == WACOM_24HDT) { | |
648 | wacom_wac->mode_report = 18; | |
649 | wacom_wac->mode_value = 2; | |
650 | } else if (features->type == WACOM_27QHDT) { | |
651 | wacom_wac->mode_report = 131; | |
652 | wacom_wac->mode_value = 2; | |
653 | } else if (features->type == BAMBOO_PAD) { | |
654 | wacom_wac->mode_report = 2; | |
655 | wacom_wac->mode_value = 2; | |
656 | } | |
657 | } else if (features->device_type & WACOM_DEVICETYPE_PEN) { | |
658 | if (features->type <= BAMBOO_PT) { | |
659 | wacom_wac->mode_report = 2; | |
660 | wacom_wac->mode_value = 2; | |
661 | } | |
1963518b | 662 | } |
ec67bbed | 663 | } |
3b7307c2 | 664 | |
326ea2a9 JG |
665 | wacom_set_device_mode(hdev, wacom_wac); |
666 | ||
667 | if (features->type == HID_GENERIC) | |
668 | return wacom_hid_set_device_mode(hdev); | |
669 | ||
fe494bc2 | 670 | return 0; |
3b7307c2 DT |
671 | } |
672 | ||
c669fb2b | 673 | static void wacom_retrieve_hid_descriptor(struct hid_device *hdev, |
1963518b | 674 | struct wacom_features *features) |
ec67bbed | 675 | { |
27b20a9d BT |
676 | struct wacom *wacom = hid_get_drvdata(hdev); |
677 | struct usb_interface *intf = wacom->intf; | |
ec67bbed | 678 | |
fed87e65 | 679 | /* default features */ |
fed87e65 HR |
680 | features->x_fuzz = 4; |
681 | features->y_fuzz = 4; | |
682 | features->pressure_fuzz = 0; | |
bef7e200 JG |
683 | features->distance_fuzz = 1; |
684 | features->tilt_fuzz = 1; | |
ec67bbed | 685 | |
d3825d51 CB |
686 | /* |
687 | * The wireless device HID is basic and layout conflicts with | |
688 | * other tablets (monitor and touch interface can look like pen). | |
689 | * Skip the query for this type and modify defaults based on | |
690 | * interface number. | |
691 | */ | |
692 | if (features->type == WIRELESS) { | |
3f14a63a | 693 | if (intf->cur_altsetting->desc.bInterfaceNumber == 0) |
ccad85cc | 694 | features->device_type = WACOM_DEVICETYPE_WL_MONITOR; |
3f14a63a | 695 | else |
aa86b18c | 696 | features->device_type = WACOM_DEVICETYPE_NONE; |
3f14a63a | 697 | return; |
d3825d51 CB |
698 | } |
699 | ||
c669fb2b | 700 | wacom_parse_hid(hdev, features); |
ec67bbed PC |
701 | } |
702 | ||
4451e088 | 703 | struct wacom_hdev_data { |
4492efff PC |
704 | struct list_head list; |
705 | struct kref kref; | |
4451e088 | 706 | struct hid_device *dev; |
4492efff PC |
707 | struct wacom_shared shared; |
708 | }; | |
709 | ||
710 | static LIST_HEAD(wacom_udev_list); | |
711 | static DEFINE_MUTEX(wacom_udev_list_lock); | |
712 | ||
4451e088 BT |
713 | static bool wacom_are_sibling(struct hid_device *hdev, |
714 | struct hid_device *sibling) | |
aea2bf6a | 715 | { |
4451e088 BT |
716 | struct wacom *wacom = hid_get_drvdata(hdev); |
717 | struct wacom_features *features = &wacom->wacom_wac.features; | |
41372d5d JG |
718 | struct wacom *sibling_wacom = hid_get_drvdata(sibling); |
719 | struct wacom_features *sibling_features = &sibling_wacom->wacom_wac.features; | |
720 | __u32 oVid = features->oVid ? features->oVid : hdev->vendor; | |
721 | __u32 oPid = features->oPid ? features->oPid : hdev->product; | |
4451e088 | 722 | |
41372d5d JG |
723 | /* The defined oVid/oPid must match that of the sibling */ |
724 | if (features->oVid != HID_ANY_ID && sibling->vendor != oVid) | |
725 | return false; | |
726 | if (features->oPid != HID_ANY_ID && sibling->product != oPid) | |
727 | return false; | |
728 | ||
729 | /* | |
730 | * Devices with the same VID/PID must share the same physical | |
731 | * device path, while those with different VID/PID must share | |
732 | * the same physical parent device path. | |
733 | */ | |
734 | if (hdev->vendor == sibling->vendor && hdev->product == sibling->product) { | |
1a8861f1 | 735 | if (!hid_compare_device_paths(hdev, sibling, '/')) |
41372d5d JG |
736 | return false; |
737 | } else { | |
1a8861f1 | 738 | if (!hid_compare_device_paths(hdev, sibling, '.')) |
41372d5d | 739 | return false; |
4451e088 | 740 | } |
aea2bf6a | 741 | |
41372d5d JG |
742 | /* Skip the remaining heuristics unless you are a HID_GENERIC device */ |
743 | if (features->type != HID_GENERIC) | |
744 | return true; | |
745 | ||
746 | /* | |
747 | * Direct-input devices may not be siblings of indirect-input | |
748 | * devices. | |
749 | */ | |
750 | if ((features->device_type & WACOM_DEVICETYPE_DIRECT) && | |
751 | !(sibling_features->device_type & WACOM_DEVICETYPE_DIRECT)) | |
4451e088 | 752 | return false; |
aea2bf6a | 753 | |
41372d5d JG |
754 | /* |
755 | * Indirect-input devices may not be siblings of direct-input | |
756 | * devices. | |
757 | */ | |
758 | if (!(features->device_type & WACOM_DEVICETYPE_DIRECT) && | |
759 | (sibling_features->device_type & WACOM_DEVICETYPE_DIRECT)) | |
4451e088 | 760 | return false; |
aea2bf6a | 761 | |
41372d5d JG |
762 | /* Pen devices may only be siblings of touch devices */ |
763 | if ((features->device_type & WACOM_DEVICETYPE_PEN) && | |
764 | !(sibling_features->device_type & WACOM_DEVICETYPE_TOUCH)) | |
765 | return false; | |
766 | ||
767 | /* Touch devices may only be siblings of pen devices */ | |
768 | if ((features->device_type & WACOM_DEVICETYPE_TOUCH) && | |
769 | !(sibling_features->device_type & WACOM_DEVICETYPE_PEN)) | |
770 | return false; | |
771 | ||
772 | /* | |
773 | * No reason could be found for these two devices to NOT be | |
774 | * siblings, so there's a good chance they ARE siblings | |
775 | */ | |
776 | return true; | |
aea2bf6a JG |
777 | } |
778 | ||
4451e088 | 779 | static struct wacom_hdev_data *wacom_get_hdev_data(struct hid_device *hdev) |
4492efff | 780 | { |
4451e088 | 781 | struct wacom_hdev_data *data; |
4492efff | 782 | |
41372d5d JG |
783 | /* Try to find an already-probed interface from the same device */ |
784 | list_for_each_entry(data, &wacom_udev_list, list) { | |
1a8861f1 | 785 | if (hid_compare_device_paths(hdev, data->dev, '/')) { |
2a5e597c | 786 | kref_get(&data->kref); |
41372d5d | 787 | return data; |
2a5e597c | 788 | } |
41372d5d JG |
789 | } |
790 | ||
791 | /* Fallback to finding devices that appear to be "siblings" */ | |
4492efff | 792 | list_for_each_entry(data, &wacom_udev_list, list) { |
4451e088 | 793 | if (wacom_are_sibling(hdev, data->dev)) { |
4492efff PC |
794 | kref_get(&data->kref); |
795 | return data; | |
796 | } | |
797 | } | |
798 | ||
799 | return NULL; | |
800 | } | |
801 | ||
1c817c83 BT |
802 | static void wacom_release_shared_data(struct kref *kref) |
803 | { | |
804 | struct wacom_hdev_data *data = | |
805 | container_of(kref, struct wacom_hdev_data, kref); | |
806 | ||
807 | mutex_lock(&wacom_udev_list_lock); | |
808 | list_del(&data->list); | |
809 | mutex_unlock(&wacom_udev_list_lock); | |
810 | ||
811 | kfree(data); | |
812 | } | |
813 | ||
814 | static void wacom_remove_shared_data(void *res) | |
815 | { | |
816 | struct wacom *wacom = res; | |
817 | struct wacom_hdev_data *data; | |
818 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; | |
819 | ||
820 | if (wacom_wac->shared) { | |
821 | data = container_of(wacom_wac->shared, struct wacom_hdev_data, | |
822 | shared); | |
823 | ||
824 | if (wacom_wac->shared->touch == wacom->hdev) | |
825 | wacom_wac->shared->touch = NULL; | |
826 | else if (wacom_wac->shared->pen == wacom->hdev) | |
827 | wacom_wac->shared->pen = NULL; | |
828 | ||
829 | kref_put(&data->kref, wacom_release_shared_data); | |
830 | wacom_wac->shared = NULL; | |
831 | } | |
832 | } | |
833 | ||
4451e088 | 834 | static int wacom_add_shared_data(struct hid_device *hdev) |
4492efff | 835 | { |
4451e088 BT |
836 | struct wacom *wacom = hid_get_drvdata(hdev); |
837 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; | |
838 | struct wacom_hdev_data *data; | |
4492efff PC |
839 | int retval = 0; |
840 | ||
841 | mutex_lock(&wacom_udev_list_lock); | |
842 | ||
4451e088 | 843 | data = wacom_get_hdev_data(hdev); |
4492efff | 844 | if (!data) { |
4451e088 | 845 | data = kzalloc(sizeof(struct wacom_hdev_data), GFP_KERNEL); |
4492efff PC |
846 | if (!data) { |
847 | retval = -ENOMEM; | |
848 | goto out; | |
849 | } | |
850 | ||
851 | kref_init(&data->kref); | |
4451e088 | 852 | data->dev = hdev; |
4492efff PC |
853 | list_add_tail(&data->list, &wacom_udev_list); |
854 | } | |
855 | ||
4451e088 | 856 | wacom_wac->shared = &data->shared; |
4492efff | 857 | |
1c817c83 BT |
858 | retval = devm_add_action(&hdev->dev, wacom_remove_shared_data, wacom); |
859 | if (retval) { | |
860 | mutex_unlock(&wacom_udev_list_lock); | |
861 | wacom_remove_shared_data(wacom); | |
862 | return retval; | |
863 | } | |
864 | ||
a9ce7856 JG |
865 | if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) |
866 | wacom_wac->shared->touch = hdev; | |
867 | else if (wacom_wac->features.device_type & WACOM_DEVICETYPE_PEN) | |
868 | wacom_wac->shared->pen = hdev; | |
869 | ||
4492efff PC |
870 | out: |
871 | mutex_unlock(&wacom_udev_list_lock); | |
872 | return retval; | |
873 | } | |
874 | ||
5d7e7d47 EH |
875 | static int wacom_led_control(struct wacom *wacom) |
876 | { | |
877 | unsigned char *buf; | |
9b5b95dd | 878 | int retval; |
912ca216 PC |
879 | unsigned char report_id = WAC_CMD_LED_CONTROL; |
880 | int buf_size = 9; | |
5d7e7d47 | 881 | |
a50aac71 BT |
882 | if (!wacom->led.groups) |
883 | return -ENOTSUPP; | |
884 | ||
74aebed6 AAS |
885 | if (wacom->wacom_wac.features.type == REMOTE) |
886 | return -ENOTSUPP; | |
887 | ||
912ca216 PC |
888 | if (wacom->wacom_wac.pid) { /* wireless connected */ |
889 | report_id = WAC_CMD_WL_LED_CONTROL; | |
890 | buf_size = 13; | |
891 | } | |
4922cd26 JG |
892 | else if (wacom->wacom_wac.features.type == INTUOSP2_BT) { |
893 | report_id = WAC_CMD_WL_INTUOSP2; | |
894 | buf_size = 51; | |
895 | } | |
912ca216 | 896 | buf = kzalloc(buf_size, GFP_KERNEL); |
5d7e7d47 EH |
897 | if (!buf) |
898 | return -ENOMEM; | |
899 | ||
10c55cac AAS |
900 | if (wacom->wacom_wac.features.type == HID_GENERIC) { |
901 | buf[0] = WAC_CMD_LED_CONTROL_GENERIC; | |
902 | buf[1] = wacom->led.llv; | |
903 | buf[2] = wacom->led.groups[0].select & 0x03; | |
904 | ||
905 | } else if ((wacom->wacom_wac.features.type >= INTUOS5S && | |
906 | wacom->wacom_wac.features.type <= INTUOSPL)) { | |
9b5b95dd JG |
907 | /* |
908 | * Touch Ring and crop mark LED luminance may take on | |
909 | * one of four values: | |
910 | * 0 = Low; 1 = Medium; 2 = High; 3 = Off | |
911 | */ | |
a50aac71 | 912 | int ring_led = wacom->led.groups[0].select & 0x03; |
9b5b95dd JG |
913 | int ring_lum = (((wacom->led.llv & 0x60) >> 5) - 1) & 0x03; |
914 | int crop_lum = 0; | |
912ca216 PC |
915 | unsigned char led_bits = (crop_lum << 4) | (ring_lum << 2) | (ring_led); |
916 | ||
917 | buf[0] = report_id; | |
918 | if (wacom->wacom_wac.pid) { | |
919 | wacom_get_report(wacom->hdev, HID_FEATURE_REPORT, | |
920 | buf, buf_size, WAC_CMD_RETRIES); | |
921 | buf[0] = report_id; | |
922 | buf[4] = led_bits; | |
923 | } else | |
924 | buf[1] = led_bits; | |
9b5b95dd | 925 | } |
4922cd26 JG |
926 | else if (wacom->wacom_wac.features.type == INTUOSP2_BT) { |
927 | buf[0] = report_id; | |
928 | buf[4] = 100; // Power Connection LED (ORANGE) | |
929 | buf[5] = 100; // BT Connection LED (BLUE) | |
930 | buf[6] = 100; // Paper Mode (RED?) | |
931 | buf[7] = 100; // Paper Mode (GREEN?) | |
932 | buf[8] = 100; // Paper Mode (BLUE?) | |
933 | buf[9] = wacom->led.llv; | |
934 | buf[10] = wacom->led.groups[0].select & 0x03; | |
935 | } | |
9b5b95dd | 936 | else { |
a50aac71 | 937 | int led = wacom->led.groups[0].select | 0x4; |
9b5b95dd JG |
938 | |
939 | if (wacom->wacom_wac.features.type == WACOM_21UX2 || | |
940 | wacom->wacom_wac.features.type == WACOM_24HD) | |
a50aac71 | 941 | led |= (wacom->led.groups[1].select << 4) | 0x40; |
9b5b95dd | 942 | |
912ca216 | 943 | buf[0] = report_id; |
9b5b95dd JG |
944 | buf[1] = led; |
945 | buf[2] = wacom->led.llv; | |
946 | buf[3] = wacom->led.hlv; | |
947 | buf[4] = wacom->led.img_lum; | |
948 | } | |
5d7e7d47 | 949 | |
912ca216 | 950 | retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, buf_size, |
296b7378 | 951 | WAC_CMD_RETRIES); |
5d7e7d47 EH |
952 | kfree(buf); |
953 | ||
954 | return retval; | |
955 | } | |
956 | ||
849e2f06 BT |
957 | static int wacom_led_putimage(struct wacom *wacom, int button_id, u8 xfer_id, |
958 | const unsigned len, const void *img) | |
5d7e7d47 EH |
959 | { |
960 | unsigned char *buf; | |
961 | int i, retval; | |
849e2f06 | 962 | const unsigned chunk_len = len / 4; /* 4 chunks are needed to be sent */ |
5d7e7d47 | 963 | |
849e2f06 | 964 | buf = kzalloc(chunk_len + 3 , GFP_KERNEL); |
5d7e7d47 EH |
965 | if (!buf) |
966 | return -ENOMEM; | |
967 | ||
968 | /* Send 'start' command */ | |
969 | buf[0] = WAC_CMD_ICON_START; | |
970 | buf[1] = 1; | |
296b7378 PF |
971 | retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2, |
972 | WAC_CMD_RETRIES); | |
5d7e7d47 EH |
973 | if (retval < 0) |
974 | goto out; | |
975 | ||
849e2f06 | 976 | buf[0] = xfer_id; |
5d7e7d47 EH |
977 | buf[1] = button_id & 0x07; |
978 | for (i = 0; i < 4; i++) { | |
979 | buf[2] = i; | |
849e2f06 | 980 | memcpy(buf + 3, img + i * chunk_len, chunk_len); |
5d7e7d47 | 981 | |
27b20a9d | 982 | retval = wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, |
296b7378 | 983 | buf, chunk_len + 3, WAC_CMD_RETRIES); |
5d7e7d47 EH |
984 | if (retval < 0) |
985 | break; | |
986 | } | |
987 | ||
988 | /* Send 'stop' */ | |
989 | buf[0] = WAC_CMD_ICON_START; | |
990 | buf[1] = 0; | |
296b7378 PF |
991 | wacom_set_report(wacom->hdev, HID_FEATURE_REPORT, buf, 2, |
992 | WAC_CMD_RETRIES); | |
5d7e7d47 EH |
993 | |
994 | out: | |
995 | kfree(buf); | |
996 | return retval; | |
997 | } | |
998 | ||
09e7d941 | 999 | static ssize_t wacom_led_select_store(struct device *dev, int set_id, |
5d7e7d47 EH |
1000 | const char *buf, size_t count) |
1001 | { | |
ee79a8f8 | 1002 | struct hid_device *hdev = to_hid_device(dev); |
29b47391 | 1003 | struct wacom *wacom = hid_get_drvdata(hdev); |
5d7e7d47 EH |
1004 | unsigned int id; |
1005 | int err; | |
1006 | ||
1007 | err = kstrtouint(buf, 10, &id); | |
1008 | if (err) | |
1009 | return err; | |
1010 | ||
1011 | mutex_lock(&wacom->lock); | |
1012 | ||
a50aac71 | 1013 | wacom->led.groups[set_id].select = id & 0x3; |
5d7e7d47 EH |
1014 | err = wacom_led_control(wacom); |
1015 | ||
1016 | mutex_unlock(&wacom->lock); | |
1017 | ||
1018 | return err < 0 ? err : count; | |
1019 | } | |
1020 | ||
09e7d941 PC |
1021 | #define DEVICE_LED_SELECT_ATTR(SET_ID) \ |
1022 | static ssize_t wacom_led##SET_ID##_select_store(struct device *dev, \ | |
1023 | struct device_attribute *attr, const char *buf, size_t count) \ | |
1024 | { \ | |
1025 | return wacom_led_select_store(dev, SET_ID, buf, count); \ | |
1026 | } \ | |
04c59abd PC |
1027 | static ssize_t wacom_led##SET_ID##_select_show(struct device *dev, \ |
1028 | struct device_attribute *attr, char *buf) \ | |
1029 | { \ | |
ee79a8f8 | 1030 | struct hid_device *hdev = to_hid_device(dev);\ |
29b47391 | 1031 | struct wacom *wacom = hid_get_drvdata(hdev); \ |
37449adc | 1032 | return scnprintf(buf, PAGE_SIZE, "%d\n", \ |
a50aac71 | 1033 | wacom->led.groups[SET_ID].select); \ |
04c59abd | 1034 | } \ |
e0984bc3 | 1035 | static DEVICE_ATTR(status_led##SET_ID##_select, DEV_ATTR_RW_PERM, \ |
04c59abd | 1036 | wacom_led##SET_ID##_select_show, \ |
09e7d941 PC |
1037 | wacom_led##SET_ID##_select_store) |
1038 | ||
1039 | DEVICE_LED_SELECT_ATTR(0); | |
1040 | DEVICE_LED_SELECT_ATTR(1); | |
5d7e7d47 EH |
1041 | |
1042 | static ssize_t wacom_luminance_store(struct wacom *wacom, u8 *dest, | |
1043 | const char *buf, size_t count) | |
1044 | { | |
1045 | unsigned int value; | |
1046 | int err; | |
1047 | ||
1048 | err = kstrtouint(buf, 10, &value); | |
1049 | if (err) | |
1050 | return err; | |
1051 | ||
1052 | mutex_lock(&wacom->lock); | |
1053 | ||
1054 | *dest = value & 0x7f; | |
1055 | err = wacom_led_control(wacom); | |
1056 | ||
1057 | mutex_unlock(&wacom->lock); | |
1058 | ||
1059 | return err < 0 ? err : count; | |
1060 | } | |
1061 | ||
1062 | #define DEVICE_LUMINANCE_ATTR(name, field) \ | |
1063 | static ssize_t wacom_##name##_luminance_store(struct device *dev, \ | |
1064 | struct device_attribute *attr, const char *buf, size_t count) \ | |
1065 | { \ | |
ee79a8f8 | 1066 | struct hid_device *hdev = to_hid_device(dev);\ |
29b47391 | 1067 | struct wacom *wacom = hid_get_drvdata(hdev); \ |
5d7e7d47 EH |
1068 | \ |
1069 | return wacom_luminance_store(wacom, &wacom->led.field, \ | |
1070 | buf, count); \ | |
1071 | } \ | |
37449adc PC |
1072 | static ssize_t wacom_##name##_luminance_show(struct device *dev, \ |
1073 | struct device_attribute *attr, char *buf) \ | |
1074 | { \ | |
1075 | struct wacom *wacom = dev_get_drvdata(dev); \ | |
1076 | return scnprintf(buf, PAGE_SIZE, "%d\n", wacom->led.field); \ | |
1077 | } \ | |
e0984bc3 | 1078 | static DEVICE_ATTR(name##_luminance, DEV_ATTR_RW_PERM, \ |
37449adc PC |
1079 | wacom_##name##_luminance_show, \ |
1080 | wacom_##name##_luminance_store) | |
5d7e7d47 EH |
1081 | |
1082 | DEVICE_LUMINANCE_ATTR(status0, llv); | |
1083 | DEVICE_LUMINANCE_ATTR(status1, hlv); | |
1084 | DEVICE_LUMINANCE_ATTR(buttons, img_lum); | |
1085 | ||
1086 | static ssize_t wacom_button_image_store(struct device *dev, int button_id, | |
1087 | const char *buf, size_t count) | |
1088 | { | |
ee79a8f8 | 1089 | struct hid_device *hdev = to_hid_device(dev); |
29b47391 | 1090 | struct wacom *wacom = hid_get_drvdata(hdev); |
5d7e7d47 | 1091 | int err; |
849e2f06 BT |
1092 | unsigned len; |
1093 | u8 xfer_id; | |
1094 | ||
1095 | if (hdev->bus == BUS_BLUETOOTH) { | |
1096 | len = 256; | |
1097 | xfer_id = WAC_CMD_ICON_BT_XFER; | |
1098 | } else { | |
1099 | len = 1024; | |
1100 | xfer_id = WAC_CMD_ICON_XFER; | |
1101 | } | |
5d7e7d47 | 1102 | |
849e2f06 | 1103 | if (count != len) |
5d7e7d47 EH |
1104 | return -EINVAL; |
1105 | ||
1106 | mutex_lock(&wacom->lock); | |
1107 | ||
849e2f06 | 1108 | err = wacom_led_putimage(wacom, button_id, xfer_id, len, buf); |
5d7e7d47 EH |
1109 | |
1110 | mutex_unlock(&wacom->lock); | |
1111 | ||
1112 | return err < 0 ? err : count; | |
1113 | } | |
1114 | ||
1115 | #define DEVICE_BTNIMG_ATTR(BUTTON_ID) \ | |
1116 | static ssize_t wacom_btnimg##BUTTON_ID##_store(struct device *dev, \ | |
1117 | struct device_attribute *attr, const char *buf, size_t count) \ | |
1118 | { \ | |
1119 | return wacom_button_image_store(dev, BUTTON_ID, buf, count); \ | |
1120 | } \ | |
e0984bc3 | 1121 | static DEVICE_ATTR(button##BUTTON_ID##_rawimg, DEV_ATTR_WO_PERM, \ |
5d7e7d47 EH |
1122 | NULL, wacom_btnimg##BUTTON_ID##_store) |
1123 | ||
1124 | DEVICE_BTNIMG_ATTR(0); | |
1125 | DEVICE_BTNIMG_ATTR(1); | |
1126 | DEVICE_BTNIMG_ATTR(2); | |
1127 | DEVICE_BTNIMG_ATTR(3); | |
1128 | DEVICE_BTNIMG_ATTR(4); | |
1129 | DEVICE_BTNIMG_ATTR(5); | |
1130 | DEVICE_BTNIMG_ATTR(6); | |
1131 | DEVICE_BTNIMG_ATTR(7); | |
1132 | ||
09e7d941 PC |
1133 | static struct attribute *cintiq_led_attrs[] = { |
1134 | &dev_attr_status_led0_select.attr, | |
1135 | &dev_attr_status_led1_select.attr, | |
1136 | NULL | |
1137 | }; | |
1138 | ||
1139 | static struct attribute_group cintiq_led_attr_group = { | |
1140 | .name = "wacom_led", | |
1141 | .attrs = cintiq_led_attrs, | |
1142 | }; | |
1143 | ||
1144 | static struct attribute *intuos4_led_attrs[] = { | |
5d7e7d47 EH |
1145 | &dev_attr_status0_luminance.attr, |
1146 | &dev_attr_status1_luminance.attr, | |
09e7d941 | 1147 | &dev_attr_status_led0_select.attr, |
5d7e7d47 EH |
1148 | &dev_attr_buttons_luminance.attr, |
1149 | &dev_attr_button0_rawimg.attr, | |
1150 | &dev_attr_button1_rawimg.attr, | |
1151 | &dev_attr_button2_rawimg.attr, | |
1152 | &dev_attr_button3_rawimg.attr, | |
1153 | &dev_attr_button4_rawimg.attr, | |
1154 | &dev_attr_button5_rawimg.attr, | |
1155 | &dev_attr_button6_rawimg.attr, | |
1156 | &dev_attr_button7_rawimg.attr, | |
1157 | NULL | |
1158 | }; | |
1159 | ||
09e7d941 | 1160 | static struct attribute_group intuos4_led_attr_group = { |
5d7e7d47 | 1161 | .name = "wacom_led", |
09e7d941 | 1162 | .attrs = intuos4_led_attrs, |
5d7e7d47 EH |
1163 | }; |
1164 | ||
9b5b95dd JG |
1165 | static struct attribute *intuos5_led_attrs[] = { |
1166 | &dev_attr_status0_luminance.attr, | |
1167 | &dev_attr_status_led0_select.attr, | |
1168 | NULL | |
1169 | }; | |
1170 | ||
1171 | static struct attribute_group intuos5_led_attr_group = { | |
1172 | .name = "wacom_led", | |
1173 | .attrs = intuos5_led_attrs, | |
1174 | }; | |
1175 | ||
10c55cac AAS |
1176 | static struct attribute *generic_led_attrs[] = { |
1177 | &dev_attr_status0_luminance.attr, | |
1178 | &dev_attr_status_led0_select.attr, | |
1179 | NULL | |
1180 | }; | |
1181 | ||
1182 | static struct attribute_group generic_led_attr_group = { | |
1183 | .name = "wacom_led", | |
1184 | .attrs = generic_led_attrs, | |
1185 | }; | |
1186 | ||
2df68a88 BT |
1187 | struct wacom_sysfs_group_devres { |
1188 | struct attribute_group *group; | |
1189 | struct kobject *root; | |
1190 | }; | |
1191 | ||
1192 | static void wacom_devm_sysfs_group_release(struct device *dev, void *res) | |
1193 | { | |
1194 | struct wacom_sysfs_group_devres *devres = res; | |
1195 | struct kobject *kobj = devres->root; | |
1196 | ||
1197 | dev_dbg(dev, "%s: dropping reference to %s\n", | |
1198 | __func__, devres->group->name); | |
1199 | sysfs_remove_group(kobj, devres->group); | |
1200 | } | |
1201 | ||
f9036bd4 BT |
1202 | static int __wacom_devm_sysfs_create_group(struct wacom *wacom, |
1203 | struct kobject *root, | |
1204 | struct attribute_group *group) | |
2df68a88 BT |
1205 | { |
1206 | struct wacom_sysfs_group_devres *devres; | |
1207 | int error; | |
1208 | ||
1209 | devres = devres_alloc(wacom_devm_sysfs_group_release, | |
1210 | sizeof(struct wacom_sysfs_group_devres), | |
1211 | GFP_KERNEL); | |
1212 | if (!devres) | |
1213 | return -ENOMEM; | |
1214 | ||
1215 | devres->group = group; | |
f9036bd4 | 1216 | devres->root = root; |
2df68a88 BT |
1217 | |
1218 | error = sysfs_create_group(devres->root, group); | |
097b8f62 AY |
1219 | if (error) { |
1220 | devres_free(devres); | |
2df68a88 | 1221 | return error; |
097b8f62 | 1222 | } |
2df68a88 BT |
1223 | |
1224 | devres_add(&wacom->hdev->dev, devres); | |
1225 | ||
1226 | return 0; | |
1227 | } | |
1228 | ||
f9036bd4 BT |
1229 | static int wacom_devm_sysfs_create_group(struct wacom *wacom, |
1230 | struct attribute_group *group) | |
1231 | { | |
1232 | return __wacom_devm_sysfs_create_group(wacom, &wacom->hdev->dev.kobj, | |
1233 | group); | |
1234 | } | |
1235 | ||
34736aa9 | 1236 | enum led_brightness wacom_leds_brightness_get(struct wacom_led *led) |
97f5541f BT |
1237 | { |
1238 | struct wacom *wacom = led->wacom; | |
1239 | ||
1240 | if (wacom->led.max_hlv) | |
1241 | return led->hlv * LED_FULL / wacom->led.max_hlv; | |
1242 | ||
1243 | if (wacom->led.max_llv) | |
1244 | return led->llv * LED_FULL / wacom->led.max_llv; | |
1245 | ||
1246 | /* device doesn't support brightness tuning */ | |
1247 | return LED_FULL; | |
1248 | } | |
1249 | ||
1250 | static enum led_brightness __wacom_led_brightness_get(struct led_classdev *cdev) | |
1251 | { | |
1252 | struct wacom_led *led = container_of(cdev, struct wacom_led, cdev); | |
1253 | struct wacom *wacom = led->wacom; | |
1254 | ||
1255 | if (wacom->led.groups[led->group].select != led->id) | |
1256 | return LED_OFF; | |
1257 | ||
1258 | return wacom_leds_brightness_get(led); | |
1259 | } | |
1260 | ||
1261 | static int wacom_led_brightness_set(struct led_classdev *cdev, | |
1262 | enum led_brightness brightness) | |
1263 | { | |
1264 | struct wacom_led *led = container_of(cdev, struct wacom_led, cdev); | |
1265 | struct wacom *wacom = led->wacom; | |
1266 | int error; | |
1267 | ||
1268 | mutex_lock(&wacom->lock); | |
1269 | ||
1270 | if (!wacom->led.groups || (brightness == LED_OFF && | |
1271 | wacom->led.groups[led->group].select != led->id)) { | |
1272 | error = 0; | |
1273 | goto out; | |
1274 | } | |
1275 | ||
1276 | led->llv = wacom->led.llv = wacom->led.max_llv * brightness / LED_FULL; | |
1277 | led->hlv = wacom->led.hlv = wacom->led.max_hlv * brightness / LED_FULL; | |
1278 | ||
1279 | wacom->led.groups[led->group].select = led->id; | |
1280 | ||
1281 | error = wacom_led_control(wacom); | |
1282 | ||
1283 | out: | |
1284 | mutex_unlock(&wacom->lock); | |
1285 | ||
1286 | return error; | |
1287 | } | |
1288 | ||
1289 | static void wacom_led_readonly_brightness_set(struct led_classdev *cdev, | |
1290 | enum led_brightness brightness) | |
1291 | { | |
1292 | } | |
1293 | ||
1294 | static int wacom_led_register_one(struct device *dev, struct wacom *wacom, | |
1295 | struct wacom_led *led, unsigned int group, | |
1296 | unsigned int id, bool read_only) | |
1297 | { | |
1298 | int error; | |
1299 | char *name; | |
1300 | ||
1301 | name = devm_kasprintf(dev, GFP_KERNEL, | |
1302 | "%s::wacom-%d.%d", | |
1303 | dev_name(dev), | |
1304 | group, | |
1305 | id); | |
1306 | if (!name) | |
1307 | return -ENOMEM; | |
1308 | ||
34736aa9 BT |
1309 | if (!read_only) { |
1310 | led->trigger.name = name; | |
1311 | error = devm_led_trigger_register(dev, &led->trigger); | |
1312 | if (error) { | |
1313 | hid_err(wacom->hdev, | |
1314 | "failed to register LED trigger %s: %d\n", | |
1315 | led->cdev.name, error); | |
1316 | return error; | |
1317 | } | |
1318 | } | |
1319 | ||
97f5541f BT |
1320 | led->group = group; |
1321 | led->id = id; | |
1322 | led->wacom = wacom; | |
1323 | led->llv = wacom->led.llv; | |
1324 | led->hlv = wacom->led.hlv; | |
1325 | led->cdev.name = name; | |
1326 | led->cdev.max_brightness = LED_FULL; | |
1327 | led->cdev.flags = LED_HW_PLUGGABLE; | |
1328 | led->cdev.brightness_get = __wacom_led_brightness_get; | |
34736aa9 | 1329 | if (!read_only) { |
97f5541f | 1330 | led->cdev.brightness_set_blocking = wacom_led_brightness_set; |
34736aa9 BT |
1331 | led->cdev.default_trigger = led->cdev.name; |
1332 | } else { | |
97f5541f | 1333 | led->cdev.brightness_set = wacom_led_readonly_brightness_set; |
34736aa9 | 1334 | } |
97f5541f BT |
1335 | |
1336 | error = devm_led_classdev_register(dev, &led->cdev); | |
1337 | if (error) { | |
1338 | hid_err(wacom->hdev, | |
1339 | "failed to register LED %s: %d\n", | |
1340 | led->cdev.name, error); | |
1341 | led->cdev.name = NULL; | |
1342 | return error; | |
1343 | } | |
1344 | ||
1345 | return 0; | |
1346 | } | |
1347 | ||
589e5060 BT |
1348 | static void wacom_led_groups_release_one(void *data) |
1349 | { | |
1350 | struct wacom_group_leds *group = data; | |
1351 | ||
1352 | devres_release_group(group->dev, group); | |
1353 | } | |
1354 | ||
97f5541f BT |
1355 | static int wacom_led_groups_alloc_and_register_one(struct device *dev, |
1356 | struct wacom *wacom, | |
1357 | int group_id, int count, | |
1358 | bool read_only) | |
1359 | { | |
1360 | struct wacom_led *leds; | |
1361 | int i, error; | |
1362 | ||
1363 | if (group_id >= wacom->led.count || count <= 0) | |
1364 | return -EINVAL; | |
1365 | ||
1366 | if (!devres_open_group(dev, &wacom->led.groups[group_id], GFP_KERNEL)) | |
1367 | return -ENOMEM; | |
1368 | ||
a86854d0 | 1369 | leds = devm_kcalloc(dev, count, sizeof(struct wacom_led), GFP_KERNEL); |
97f5541f BT |
1370 | if (!leds) { |
1371 | error = -ENOMEM; | |
1372 | goto err; | |
1373 | } | |
1374 | ||
1375 | wacom->led.groups[group_id].leds = leds; | |
1376 | wacom->led.groups[group_id].count = count; | |
1377 | ||
1378 | for (i = 0; i < count; i++) { | |
1379 | error = wacom_led_register_one(dev, wacom, &leds[i], | |
1380 | group_id, i, read_only); | |
1381 | if (error) | |
1382 | goto err; | |
1383 | } | |
1384 | ||
589e5060 BT |
1385 | wacom->led.groups[group_id].dev = dev; |
1386 | ||
1387 | devres_close_group(dev, &wacom->led.groups[group_id]); | |
1388 | ||
1389 | /* | |
1390 | * There is a bug (?) in devm_led_classdev_register() in which its | |
1391 | * increments the refcount of the parent. If the parent is an input | |
1392 | * device, that means the ref count never reaches 0 when | |
1393 | * devm_input_device_release() gets called. | |
1394 | * This means that the LEDs are still there after disconnect. | |
1395 | * Manually force the release of the group so that the leds are released | |
1396 | * once we are done using them. | |
1397 | */ | |
1398 | error = devm_add_action_or_reset(&wacom->hdev->dev, | |
1399 | wacom_led_groups_release_one, | |
1400 | &wacom->led.groups[group_id]); | |
1401 | if (error) | |
1402 | return error; | |
1403 | ||
97f5541f BT |
1404 | return 0; |
1405 | ||
1406 | err: | |
1407 | devres_release_group(dev, &wacom->led.groups[group_id]); | |
1408 | return error; | |
1409 | } | |
1410 | ||
34736aa9 BT |
1411 | struct wacom_led *wacom_led_find(struct wacom *wacom, unsigned int group_id, |
1412 | unsigned int id) | |
1413 | { | |
1414 | struct wacom_group_leds *group; | |
1415 | ||
1416 | if (group_id >= wacom->led.count) | |
1417 | return NULL; | |
1418 | ||
1419 | group = &wacom->led.groups[group_id]; | |
1420 | ||
1421 | if (!group->leds) | |
1422 | return NULL; | |
1423 | ||
1424 | id %= group->count; | |
1425 | ||
1426 | return &group->leds[id]; | |
1427 | } | |
1428 | ||
1429 | /** | |
1430 | * wacom_led_next: gives the next available led with a wacom trigger. | |
1431 | * | |
1432 | * returns the next available struct wacom_led which has its default trigger | |
1433 | * or the current one if none is available. | |
1434 | */ | |
1435 | struct wacom_led *wacom_led_next(struct wacom *wacom, struct wacom_led *cur) | |
1436 | { | |
1437 | struct wacom_led *next_led; | |
1438 | int group, next; | |
1439 | ||
1440 | if (!wacom || !cur) | |
1441 | return NULL; | |
1442 | ||
1443 | group = cur->group; | |
1444 | next = cur->id; | |
1445 | ||
1446 | do { | |
1447 | next_led = wacom_led_find(wacom, group, ++next); | |
1448 | if (!next_led || next_led == cur) | |
1449 | return next_led; | |
1450 | } while (next_led->cdev.trigger != &next_led->trigger); | |
1451 | ||
1452 | return next_led; | |
1453 | } | |
1454 | ||
a50aac71 BT |
1455 | static void wacom_led_groups_release(void *data) |
1456 | { | |
1457 | struct wacom *wacom = data; | |
1458 | ||
1459 | wacom->led.groups = NULL; | |
97f5541f | 1460 | wacom->led.count = 0; |
a50aac71 BT |
1461 | } |
1462 | ||
1463 | static int wacom_led_groups_allocate(struct wacom *wacom, int count) | |
1464 | { | |
97f5541f | 1465 | struct device *dev = &wacom->hdev->dev; |
a50aac71 BT |
1466 | struct wacom_group_leds *groups; |
1467 | int error; | |
1468 | ||
a86854d0 | 1469 | groups = devm_kcalloc(dev, count, sizeof(struct wacom_group_leds), |
a50aac71 BT |
1470 | GFP_KERNEL); |
1471 | if (!groups) | |
1472 | return -ENOMEM; | |
1473 | ||
97f5541f | 1474 | error = devm_add_action_or_reset(dev, wacom_led_groups_release, wacom); |
a50aac71 BT |
1475 | if (error) |
1476 | return error; | |
1477 | ||
1478 | wacom->led.groups = groups; | |
97f5541f BT |
1479 | wacom->led.count = count; |
1480 | ||
1481 | return 0; | |
1482 | } | |
1483 | ||
1484 | static int wacom_leds_alloc_and_register(struct wacom *wacom, int group_count, | |
1485 | int led_per_group, bool read_only) | |
1486 | { | |
1487 | struct device *dev; | |
1488 | int i, error; | |
1489 | ||
1490 | if (!wacom->wacom_wac.pad_input) | |
1491 | return -EINVAL; | |
1492 | ||
1493 | dev = &wacom->wacom_wac.pad_input->dev; | |
1494 | ||
1495 | error = wacom_led_groups_allocate(wacom, group_count); | |
1496 | if (error) | |
1497 | return error; | |
1498 | ||
1499 | for (i = 0; i < group_count; i++) { | |
1500 | error = wacom_led_groups_alloc_and_register_one(dev, wacom, i, | |
1501 | led_per_group, | |
1502 | read_only); | |
1503 | if (error) | |
1504 | return error; | |
1505 | } | |
a50aac71 BT |
1506 | |
1507 | return 0; | |
1508 | } | |
1509 | ||
10c55cac | 1510 | int wacom_initialize_leds(struct wacom *wacom) |
5d7e7d47 EH |
1511 | { |
1512 | int error; | |
1513 | ||
862cf553 JG |
1514 | if (!(wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD)) |
1515 | return 0; | |
1516 | ||
09e7d941 PC |
1517 | /* Initialize default values */ |
1518 | switch (wacom->wacom_wac.features.type) { | |
10c55cac AAS |
1519 | case HID_GENERIC: |
1520 | if (!wacom->generic_has_leds) | |
1521 | return 0; | |
1522 | wacom->led.llv = 100; | |
1523 | wacom->led.max_llv = 100; | |
1524 | ||
1525 | error = wacom_leds_alloc_and_register(wacom, 1, 4, false); | |
1526 | if (error) { | |
1527 | hid_err(wacom->hdev, | |
1528 | "cannot create leds err: %d\n", error); | |
1529 | return error; | |
1530 | } | |
1531 | ||
1532 | error = wacom_devm_sysfs_create_group(wacom, | |
1533 | &generic_led_attr_group); | |
1534 | break; | |
1535 | ||
a19fc986 | 1536 | case INTUOS4S: |
09e7d941 | 1537 | case INTUOS4: |
81af7e61 | 1538 | case INTUOS4WL: |
09e7d941 | 1539 | case INTUOS4L: |
f4fa9a6d | 1540 | wacom->led.llv = 10; |
5d7e7d47 | 1541 | wacom->led.hlv = 20; |
97f5541f BT |
1542 | wacom->led.max_llv = 127; |
1543 | wacom->led.max_hlv = 127; | |
5d7e7d47 | 1544 | wacom->led.img_lum = 10; |
a50aac71 | 1545 | |
97f5541f | 1546 | error = wacom_leds_alloc_and_register(wacom, 1, 4, false); |
a50aac71 BT |
1547 | if (error) { |
1548 | hid_err(wacom->hdev, | |
1549 | "cannot create leds err: %d\n", error); | |
1550 | return error; | |
1551 | } | |
1552 | ||
2df68a88 BT |
1553 | error = wacom_devm_sysfs_create_group(wacom, |
1554 | &intuos4_led_attr_group); | |
09e7d941 PC |
1555 | break; |
1556 | ||
246835fc | 1557 | case WACOM_24HD: |
09e7d941 | 1558 | case WACOM_21UX2: |
09e7d941 PC |
1559 | wacom->led.llv = 0; |
1560 | wacom->led.hlv = 0; | |
1561 | wacom->led.img_lum = 0; | |
5d7e7d47 | 1562 | |
97f5541f | 1563 | error = wacom_leds_alloc_and_register(wacom, 2, 4, false); |
a50aac71 BT |
1564 | if (error) { |
1565 | hid_err(wacom->hdev, | |
1566 | "cannot create leds err: %d\n", error); | |
1567 | return error; | |
1568 | } | |
1569 | ||
2df68a88 BT |
1570 | error = wacom_devm_sysfs_create_group(wacom, |
1571 | &cintiq_led_attr_group); | |
09e7d941 PC |
1572 | break; |
1573 | ||
9b5b95dd JG |
1574 | case INTUOS5S: |
1575 | case INTUOS5: | |
1576 | case INTUOS5L: | |
9a35c411 PC |
1577 | case INTUOSPS: |
1578 | case INTUOSPM: | |
1579 | case INTUOSPL: | |
862cf553 | 1580 | wacom->led.llv = 32; |
97f5541f | 1581 | wacom->led.max_llv = 96; |
862cf553 | 1582 | |
97f5541f | 1583 | error = wacom_leds_alloc_and_register(wacom, 1, 4, false); |
a50aac71 BT |
1584 | if (error) { |
1585 | hid_err(wacom->hdev, | |
1586 | "cannot create leds err: %d\n", error); | |
1587 | return error; | |
1588 | } | |
1589 | ||
2df68a88 BT |
1590 | error = wacom_devm_sysfs_create_group(wacom, |
1591 | &intuos5_led_attr_group); | |
9b5b95dd JG |
1592 | break; |
1593 | ||
4922cd26 JG |
1594 | case INTUOSP2_BT: |
1595 | wacom->led.llv = 50; | |
1596 | wacom->led.max_llv = 100; | |
1597 | error = wacom_leds_alloc_and_register(wacom, 1, 4, false); | |
1598 | if (error) { | |
1599 | hid_err(wacom->hdev, | |
1600 | "cannot create leds err: %d\n", error); | |
1601 | return error; | |
1602 | } | |
1603 | return 0; | |
1604 | ||
a50aac71 | 1605 | case REMOTE: |
97f5541f BT |
1606 | wacom->led.llv = 255; |
1607 | wacom->led.max_llv = 255; | |
a50aac71 BT |
1608 | error = wacom_led_groups_allocate(wacom, 5); |
1609 | if (error) { | |
1610 | hid_err(wacom->hdev, | |
1611 | "cannot create leds err: %d\n", error); | |
1612 | return error; | |
1613 | } | |
1614 | return 0; | |
1615 | ||
09e7d941 PC |
1616 | default: |
1617 | return 0; | |
5d7e7d47 EH |
1618 | } |
1619 | ||
09e7d941 | 1620 | if (error) { |
c31a408f | 1621 | hid_err(wacom->hdev, |
09e7d941 PC |
1622 | "cannot create sysfs group err: %d\n", error); |
1623 | return error; | |
1624 | } | |
09e7d941 | 1625 | |
5d7e7d47 EH |
1626 | return 0; |
1627 | } | |
1628 | ||
a544c619 BT |
1629 | static void wacom_init_work(struct work_struct *work) |
1630 | { | |
1631 | struct wacom *wacom = container_of(work, struct wacom, init_work.work); | |
1632 | ||
1633 | _wacom_query_tablet_data(wacom); | |
1634 | wacom_led_control(wacom); | |
1635 | } | |
1636 | ||
1637 | static void wacom_query_tablet_data(struct wacom *wacom) | |
1638 | { | |
1639 | schedule_delayed_work(&wacom->init_work, msecs_to_jiffies(1000)); | |
1640 | } | |
1641 | ||
a1d552cc | 1642 | static enum power_supply_property wacom_battery_props[] = { |
9956953e | 1643 | POWER_SUPPLY_PROP_MODEL_NAME, |
71fa641e | 1644 | POWER_SUPPLY_PROP_PRESENT, |
ac8d1010 | 1645 | POWER_SUPPLY_PROP_STATUS, |
6e2a6e80 | 1646 | POWER_SUPPLY_PROP_SCOPE, |
a1d552cc CB |
1647 | POWER_SUPPLY_PROP_CAPACITY |
1648 | }; | |
1649 | ||
1650 | static int wacom_battery_get_property(struct power_supply *psy, | |
1651 | enum power_supply_property psp, | |
1652 | union power_supply_propval *val) | |
1653 | { | |
59d69bc8 | 1654 | struct wacom_battery *battery = power_supply_get_drvdata(psy); |
a1d552cc CB |
1655 | int ret = 0; |
1656 | ||
1657 | switch (psp) { | |
9956953e BT |
1658 | case POWER_SUPPLY_PROP_MODEL_NAME: |
1659 | val->strval = battery->wacom->wacom_wac.name; | |
1660 | break; | |
71fa641e | 1661 | case POWER_SUPPLY_PROP_PRESENT: |
59d69bc8 | 1662 | val->intval = battery->bat_connected; |
71fa641e | 1663 | break; |
6e2a6e80 BN |
1664 | case POWER_SUPPLY_PROP_SCOPE: |
1665 | val->intval = POWER_SUPPLY_SCOPE_DEVICE; | |
1666 | break; | |
a1d552cc | 1667 | case POWER_SUPPLY_PROP_CAPACITY: |
59d69bc8 | 1668 | val->intval = battery->battery_capacity; |
ac8d1010 BT |
1669 | break; |
1670 | case POWER_SUPPLY_PROP_STATUS: | |
16e45989 JG |
1671 | if (battery->bat_status != WACOM_POWER_SUPPLY_STATUS_AUTO) |
1672 | val->intval = battery->bat_status; | |
1673 | else if (battery->bat_charging) | |
ac8d1010 | 1674 | val->intval = POWER_SUPPLY_STATUS_CHARGING; |
59d69bc8 BT |
1675 | else if (battery->battery_capacity == 100 && |
1676 | battery->ps_connected) | |
ac8d1010 | 1677 | val->intval = POWER_SUPPLY_STATUS_FULL; |
59d69bc8 | 1678 | else if (battery->ps_connected) |
b0882cb7 | 1679 | val->intval = POWER_SUPPLY_STATUS_NOT_CHARGING; |
ac8d1010 BT |
1680 | else |
1681 | val->intval = POWER_SUPPLY_STATUS_DISCHARGING; | |
a1d552cc CB |
1682 | break; |
1683 | default: | |
1684 | ret = -EINVAL; | |
1685 | break; | |
1686 | } | |
1687 | ||
1688 | return ret; | |
1689 | } | |
1690 | ||
59d69bc8 BT |
1691 | static int __wacom_initialize_battery(struct wacom *wacom, |
1692 | struct wacom_battery *battery) | |
a1d552cc | 1693 | { |
d70420b9 | 1694 | static atomic_t battery_no = ATOMIC_INIT(0); |
b189da90 | 1695 | struct device *dev = &wacom->hdev->dev; |
59d69bc8 | 1696 | struct power_supply_config psy_cfg = { .drv_data = battery, }; |
136ae5e9 | 1697 | struct power_supply *ps_bat; |
59d69bc8 | 1698 | struct power_supply_desc *bat_desc = &battery->bat_desc; |
d70420b9 | 1699 | unsigned long n; |
b189da90 BT |
1700 | int error; |
1701 | ||
1702 | if (!devres_open_group(dev, bat_desc, GFP_KERNEL)) | |
1703 | return -ENOMEM; | |
a1d552cc | 1704 | |
9956953e BT |
1705 | battery->wacom = wacom; |
1706 | ||
59d69bc8 BT |
1707 | n = atomic_inc_return(&battery_no) - 1; |
1708 | ||
1709 | bat_desc->properties = wacom_battery_props; | |
1710 | bat_desc->num_properties = ARRAY_SIZE(wacom_battery_props); | |
1711 | bat_desc->get_property = wacom_battery_get_property; | |
1712 | sprintf(battery->bat_name, "wacom_battery_%ld", n); | |
1713 | bat_desc->name = battery->bat_name; | |
96983296 | 1714 | bat_desc->type = POWER_SUPPLY_TYPE_USB; |
59d69bc8 BT |
1715 | bat_desc->use_for_apm = 0; |
1716 | ||
59d69bc8 BT |
1717 | ps_bat = devm_power_supply_register(dev, bat_desc, &psy_cfg); |
1718 | if (IS_ERR(ps_bat)) { | |
1719 | error = PTR_ERR(ps_bat); | |
1720 | goto err; | |
1721 | } | |
297d716f | 1722 | |
59d69bc8 | 1723 | power_supply_powers(ps_bat, &wacom->hdev->dev); |
7dbd229e | 1724 | |
59d69bc8 | 1725 | battery->battery = ps_bat; |
a1d552cc | 1726 | |
b189da90 | 1727 | devres_close_group(dev, bat_desc); |
7dbd229e | 1728 | return 0; |
b189da90 BT |
1729 | |
1730 | err: | |
1731 | devres_release_group(dev, bat_desc); | |
1732 | return error; | |
a1d552cc CB |
1733 | } |
1734 | ||
59d69bc8 BT |
1735 | static int wacom_initialize_battery(struct wacom *wacom) |
1736 | { | |
1737 | if (wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) | |
1738 | return __wacom_initialize_battery(wacom, &wacom->battery); | |
1739 | ||
1740 | return 0; | |
1741 | } | |
1742 | ||
a1d552cc CB |
1743 | static void wacom_destroy_battery(struct wacom *wacom) |
1744 | { | |
59d69bc8 BT |
1745 | if (wacom->battery.battery) { |
1746 | devres_release_group(&wacom->hdev->dev, | |
1747 | &wacom->battery.bat_desc); | |
1748 | wacom->battery.battery = NULL; | |
b7af2bb8 | 1749 | } |
a1d552cc CB |
1750 | } |
1751 | ||
f81a1295 BT |
1752 | static ssize_t wacom_show_speed(struct device *dev, |
1753 | struct device_attribute | |
1754 | *attr, char *buf) | |
1755 | { | |
ee79a8f8 | 1756 | struct hid_device *hdev = to_hid_device(dev); |
f81a1295 BT |
1757 | struct wacom *wacom = hid_get_drvdata(hdev); |
1758 | ||
1759 | return snprintf(buf, PAGE_SIZE, "%i\n", wacom->wacom_wac.bt_high_speed); | |
1760 | } | |
1761 | ||
1762 | static ssize_t wacom_store_speed(struct device *dev, | |
1763 | struct device_attribute *attr, | |
1764 | const char *buf, size_t count) | |
1765 | { | |
ee79a8f8 | 1766 | struct hid_device *hdev = to_hid_device(dev); |
f81a1295 BT |
1767 | struct wacom *wacom = hid_get_drvdata(hdev); |
1768 | u8 new_speed; | |
1769 | ||
1770 | if (kstrtou8(buf, 0, &new_speed)) | |
1771 | return -EINVAL; | |
1772 | ||
1773 | if (new_speed != 0 && new_speed != 1) | |
1774 | return -EINVAL; | |
1775 | ||
1776 | wacom_bt_query_tablet_data(hdev, new_speed, &wacom->wacom_wac.features); | |
1777 | ||
1778 | return count; | |
1779 | } | |
1780 | ||
e0984bc3 | 1781 | static DEVICE_ATTR(speed, DEV_ATTR_RW_PERM, |
f81a1295 BT |
1782 | wacom_show_speed, wacom_store_speed); |
1783 | ||
72b236d6 AS |
1784 | |
1785 | static ssize_t wacom_show_remote_mode(struct kobject *kobj, | |
1786 | struct kobj_attribute *kattr, | |
1787 | char *buf, int index) | |
1788 | { | |
2cf83833 | 1789 | struct device *dev = kobj_to_dev(kobj->parent); |
ee79a8f8 | 1790 | struct hid_device *hdev = to_hid_device(dev); |
72b236d6 AS |
1791 | struct wacom *wacom = hid_get_drvdata(hdev); |
1792 | u8 mode; | |
1793 | ||
a50aac71 | 1794 | mode = wacom->led.groups[index].select; |
bc35f73a | 1795 | return sprintf(buf, "%d\n", mode < 3 ? mode : -1); |
72b236d6 AS |
1796 | } |
1797 | ||
1798 | #define DEVICE_EKR_ATTR_GROUP(SET_ID) \ | |
1799 | static ssize_t wacom_show_remote##SET_ID##_mode(struct kobject *kobj, \ | |
1800 | struct kobj_attribute *kattr, char *buf) \ | |
1801 | { \ | |
1802 | return wacom_show_remote_mode(kobj, kattr, buf, SET_ID); \ | |
1803 | } \ | |
1804 | static struct kobj_attribute remote##SET_ID##_mode_attr = { \ | |
1805 | .attr = {.name = "remote_mode", \ | |
1806 | .mode = DEV_ATTR_RO_PERM}, \ | |
1807 | .show = wacom_show_remote##SET_ID##_mode, \ | |
1808 | }; \ | |
1809 | static struct attribute *remote##SET_ID##_serial_attrs[] = { \ | |
1810 | &remote##SET_ID##_mode_attr.attr, \ | |
1811 | NULL \ | |
1812 | }; \ | |
1813 | static struct attribute_group remote##SET_ID##_serial_group = { \ | |
1814 | .name = NULL, \ | |
1815 | .attrs = remote##SET_ID##_serial_attrs, \ | |
1816 | } | |
1817 | ||
1818 | DEVICE_EKR_ATTR_GROUP(0); | |
1819 | DEVICE_EKR_ATTR_GROUP(1); | |
1820 | DEVICE_EKR_ATTR_GROUP(2); | |
1821 | DEVICE_EKR_ATTR_GROUP(3); | |
1822 | DEVICE_EKR_ATTR_GROUP(4); | |
1823 | ||
e6f2813a BT |
1824 | static int wacom_remote_create_attr_group(struct wacom *wacom, __u32 serial, |
1825 | int index) | |
72b236d6 AS |
1826 | { |
1827 | int error = 0; | |
83e6b40e | 1828 | struct wacom_remote *remote = wacom->remote; |
72b236d6 | 1829 | |
e7749f6e | 1830 | remote->remotes[index].group.name = devm_kasprintf(&wacom->hdev->dev, |
83e6b40e BT |
1831 | GFP_KERNEL, |
1832 | "%d", serial); | |
e7749f6e | 1833 | if (!remote->remotes[index].group.name) |
72b236d6 | 1834 | return -ENOMEM; |
72b236d6 | 1835 | |
f9036bd4 | 1836 | error = __wacom_devm_sysfs_create_group(wacom, remote->remote_dir, |
e7749f6e | 1837 | &remote->remotes[index].group); |
72b236d6 | 1838 | if (error) { |
e7749f6e | 1839 | remote->remotes[index].group.name = NULL; |
72b236d6 AS |
1840 | hid_err(wacom->hdev, |
1841 | "cannot create sysfs group err: %d\n", error); | |
72b236d6 AS |
1842 | return error; |
1843 | } | |
1844 | ||
1845 | return 0; | |
1846 | } | |
1847 | ||
72b236d6 AS |
1848 | static int wacom_cmd_unpair_remote(struct wacom *wacom, unsigned char selector) |
1849 | { | |
1850 | const size_t buf_size = 2; | |
1851 | unsigned char *buf; | |
1852 | int retval; | |
1853 | ||
1854 | buf = kzalloc(buf_size, GFP_KERNEL); | |
1855 | if (!buf) | |
1856 | return -ENOMEM; | |
1857 | ||
1858 | buf[0] = WAC_CMD_DELETE_PAIRING; | |
1859 | buf[1] = selector; | |
1860 | ||
1861 | retval = wacom_set_report(wacom->hdev, HID_OUTPUT_REPORT, buf, | |
1862 | buf_size, WAC_CMD_RETRIES); | |
1863 | kfree(buf); | |
1864 | ||
1865 | return retval; | |
1866 | } | |
1867 | ||
1868 | static ssize_t wacom_store_unpair_remote(struct kobject *kobj, | |
1869 | struct kobj_attribute *attr, | |
1870 | const char *buf, size_t count) | |
1871 | { | |
1872 | unsigned char selector = 0; | |
2cf83833 | 1873 | struct device *dev = kobj_to_dev(kobj->parent); |
ee79a8f8 | 1874 | struct hid_device *hdev = to_hid_device(dev); |
72b236d6 AS |
1875 | struct wacom *wacom = hid_get_drvdata(hdev); |
1876 | int err; | |
1877 | ||
1878 | if (!strncmp(buf, "*\n", 2)) { | |
1879 | selector = WAC_CMD_UNPAIR_ALL; | |
1880 | } else { | |
1881 | hid_info(wacom->hdev, "remote: unrecognized unpair code: %s\n", | |
1882 | buf); | |
1883 | return -1; | |
1884 | } | |
1885 | ||
1886 | mutex_lock(&wacom->lock); | |
1887 | ||
1888 | err = wacom_cmd_unpair_remote(wacom, selector); | |
1889 | mutex_unlock(&wacom->lock); | |
1890 | ||
1891 | return err < 0 ? err : count; | |
1892 | } | |
1893 | ||
1894 | static struct kobj_attribute unpair_remote_attr = { | |
1895 | .attr = {.name = "unpair_remote", .mode = 0200}, | |
1896 | .store = wacom_store_unpair_remote, | |
1897 | }; | |
1898 | ||
1899 | static const struct attribute *remote_unpair_attrs[] = { | |
1900 | &unpair_remote_attr.attr, | |
1901 | NULL | |
1902 | }; | |
1903 | ||
83e6b40e BT |
1904 | static void wacom_remotes_destroy(void *data) |
1905 | { | |
1906 | struct wacom *wacom = data; | |
1907 | struct wacom_remote *remote = wacom->remote; | |
1908 | ||
1909 | if (!remote) | |
1910 | return; | |
1911 | ||
1912 | kobject_put(remote->remote_dir); | |
1913 | kfifo_free(&remote->remote_fifo); | |
1914 | wacom->remote = NULL; | |
1915 | } | |
1916 | ||
1917 | static int wacom_initialize_remotes(struct wacom *wacom) | |
72b236d6 AS |
1918 | { |
1919 | int error = 0; | |
83e6b40e | 1920 | struct wacom_remote *remote; |
72b236d6 AS |
1921 | int i; |
1922 | ||
1923 | if (wacom->wacom_wac.features.type != REMOTE) | |
1924 | return 0; | |
1925 | ||
83e6b40e BT |
1926 | remote = devm_kzalloc(&wacom->hdev->dev, sizeof(*wacom->remote), |
1927 | GFP_KERNEL); | |
1928 | if (!remote) | |
1929 | return -ENOMEM; | |
72b236d6 | 1930 | |
83e6b40e BT |
1931 | wacom->remote = remote; |
1932 | ||
1933 | spin_lock_init(&remote->remote_lock); | |
1934 | ||
1935 | error = kfifo_alloc(&remote->remote_fifo, | |
1936 | 5 * sizeof(struct wacom_remote_data), | |
1937 | GFP_KERNEL); | |
1938 | if (error) { | |
1939 | hid_err(wacom->hdev, "failed allocating remote_fifo\n"); | |
72b236d6 | 1940 | return -ENOMEM; |
83e6b40e | 1941 | } |
72b236d6 | 1942 | |
e7749f6e BT |
1943 | remote->remotes[0].group = remote0_serial_group; |
1944 | remote->remotes[1].group = remote1_serial_group; | |
1945 | remote->remotes[2].group = remote2_serial_group; | |
1946 | remote->remotes[3].group = remote3_serial_group; | |
1947 | remote->remotes[4].group = remote4_serial_group; | |
83e6b40e BT |
1948 | |
1949 | remote->remote_dir = kobject_create_and_add("wacom_remote", | |
1950 | &wacom->hdev->dev.kobj); | |
1951 | if (!remote->remote_dir) | |
1952 | return -ENOMEM; | |
1953 | ||
1954 | error = sysfs_create_files(remote->remote_dir, remote_unpair_attrs); | |
72b236d6 AS |
1955 | |
1956 | if (error) { | |
1957 | hid_err(wacom->hdev, | |
1958 | "cannot create sysfs group err: %d\n", error); | |
1959 | return error; | |
1960 | } | |
1961 | ||
1962 | for (i = 0; i < WACOM_MAX_REMOTES; i++) { | |
a50aac71 | 1963 | wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN; |
e7749f6e | 1964 | remote->remotes[i].serial = 0; |
72b236d6 AS |
1965 | } |
1966 | ||
83e6b40e BT |
1967 | error = devm_add_action_or_reset(&wacom->hdev->dev, |
1968 | wacom_remotes_destroy, wacom); | |
1969 | if (error) | |
1970 | return error; | |
1971 | ||
72b236d6 AS |
1972 | return 0; |
1973 | } | |
1974 | ||
d2d13f18 | 1975 | static struct input_dev *wacom_allocate_input(struct wacom *wacom) |
3aac0ef1 CB |
1976 | { |
1977 | struct input_dev *input_dev; | |
b6c79f2c | 1978 | struct hid_device *hdev = wacom->hdev; |
3aac0ef1 | 1979 | struct wacom_wac *wacom_wac = &(wacom->wacom_wac); |
3aac0ef1 | 1980 | |
3dad188e | 1981 | input_dev = devm_input_allocate_device(&hdev->dev); |
d2d13f18 BT |
1982 | if (!input_dev) |
1983 | return NULL; | |
3aac0ef1 | 1984 | |
2bdd163c | 1985 | input_dev->name = wacom_wac->features.name; |
b6c79f2c BT |
1986 | input_dev->phys = hdev->phys; |
1987 | input_dev->dev.parent = &hdev->dev; | |
3aac0ef1 CB |
1988 | input_dev->open = wacom_open; |
1989 | input_dev->close = wacom_close; | |
b6c79f2c BT |
1990 | input_dev->uniq = hdev->uniq; |
1991 | input_dev->id.bustype = hdev->bus; | |
1992 | input_dev->id.vendor = hdev->vendor; | |
12969e3b | 1993 | input_dev->id.product = wacom_wac->pid ? wacom_wac->pid : hdev->product; |
b6c79f2c | 1994 | input_dev->id.version = hdev->version; |
3aac0ef1 CB |
1995 | input_set_drvdata(input_dev, wacom); |
1996 | ||
d2d13f18 BT |
1997 | return input_dev; |
1998 | } | |
1999 | ||
d9f2d203 JG |
2000 | static int wacom_allocate_inputs(struct wacom *wacom) |
2001 | { | |
2002 | struct wacom_wac *wacom_wac = &(wacom->wacom_wac); | |
2003 | ||
2004 | wacom_wac->pen_input = wacom_allocate_input(wacom); | |
2005 | wacom_wac->touch_input = wacom_allocate_input(wacom); | |
2006 | wacom_wac->pad_input = wacom_allocate_input(wacom); | |
3dad188e BT |
2007 | if (!wacom_wac->pen_input || |
2008 | !wacom_wac->touch_input || | |
2009 | !wacom_wac->pad_input) | |
d9f2d203 | 2010 | return -ENOMEM; |
d9f2d203 | 2011 | |
2bdd163c | 2012 | wacom_wac->pen_input->name = wacom_wac->pen_name; |
d9f2d203 JG |
2013 | wacom_wac->touch_input->name = wacom_wac->touch_name; |
2014 | wacom_wac->pad_input->name = wacom_wac->pad_name; | |
2015 | ||
2016 | return 0; | |
2017 | } | |
2018 | ||
2546dacd BT |
2019 | static int wacom_register_inputs(struct wacom *wacom) |
2020 | { | |
2a6cdbdd | 2021 | struct input_dev *pen_input_dev, *touch_input_dev, *pad_input_dev; |
2546dacd | 2022 | struct wacom_wac *wacom_wac = &(wacom->wacom_wac); |
2636a3f2 | 2023 | int error = 0; |
2546dacd | 2024 | |
2a6cdbdd JG |
2025 | pen_input_dev = wacom_wac->pen_input; |
2026 | touch_input_dev = wacom_wac->touch_input; | |
2546dacd BT |
2027 | pad_input_dev = wacom_wac->pad_input; |
2028 | ||
2a6cdbdd | 2029 | if (!pen_input_dev || !touch_input_dev || !pad_input_dev) |
2546dacd BT |
2030 | return -EINVAL; |
2031 | ||
2a6cdbdd JG |
2032 | error = wacom_setup_pen_input_capabilities(pen_input_dev, wacom_wac); |
2033 | if (error) { | |
2034 | /* no pen in use on this interface */ | |
2035 | input_free_device(pen_input_dev); | |
2036 | wacom_wac->pen_input = NULL; | |
2037 | pen_input_dev = NULL; | |
2038 | } else { | |
2039 | error = input_register_device(pen_input_dev); | |
2040 | if (error) | |
3dad188e | 2041 | goto fail; |
2a6cdbdd JG |
2042 | } |
2043 | ||
2044 | error = wacom_setup_touch_input_capabilities(touch_input_dev, wacom_wac); | |
2045 | if (error) { | |
2046 | /* no touch in use on this interface */ | |
2047 | input_free_device(touch_input_dev); | |
2048 | wacom_wac->touch_input = NULL; | |
2049 | touch_input_dev = NULL; | |
2050 | } else { | |
2051 | error = input_register_device(touch_input_dev); | |
30ebc1ae | 2052 | if (error) |
3dad188e | 2053 | goto fail; |
30ebc1ae | 2054 | } |
1963518b | 2055 | |
d2d13f18 BT |
2056 | error = wacom_setup_pad_input_capabilities(pad_input_dev, wacom_wac); |
2057 | if (error) { | |
2058 | /* no pad in use on this interface */ | |
2059 | input_free_device(pad_input_dev); | |
2060 | wacom_wac->pad_input = NULL; | |
2061 | pad_input_dev = NULL; | |
2062 | } else { | |
2063 | error = input_register_device(pad_input_dev); | |
2064 | if (error) | |
3dad188e | 2065 | goto fail; |
d2d13f18 BT |
2066 | } |
2067 | ||
1963518b | 2068 | return 0; |
3aac0ef1 | 2069 | |
3dad188e BT |
2070 | fail: |
2071 | wacom_wac->pad_input = NULL; | |
2a6cdbdd | 2072 | wacom_wac->touch_input = NULL; |
2a6cdbdd | 2073 | wacom_wac->pen_input = NULL; |
3aac0ef1 CB |
2074 | return error; |
2075 | } | |
2076 | ||
0be01712 JG |
2077 | /* |
2078 | * Not all devices report physical dimensions from HID. | |
2079 | * Compute the default from hardcoded logical dimension | |
2080 | * and resolution before driver overwrites them. | |
2081 | */ | |
2082 | static void wacom_set_default_phy(struct wacom_features *features) | |
2083 | { | |
2084 | if (features->x_resolution) { | |
2085 | features->x_phy = (features->x_max * 100) / | |
2086 | features->x_resolution; | |
2087 | features->y_phy = (features->y_max * 100) / | |
2088 | features->y_resolution; | |
2089 | } | |
2090 | } | |
2091 | ||
2092 | static void wacom_calculate_res(struct wacom_features *features) | |
2093 | { | |
2094 | /* set unit to "100th of a mm" for devices not reported by HID */ | |
2095 | if (!features->unit) { | |
2096 | features->unit = 0x11; | |
2097 | features->unitExpo = -3; | |
2098 | } | |
2099 | ||
2100 | features->x_resolution = wacom_calc_hid_res(features->x_max, | |
2101 | features->x_phy, | |
2102 | features->unit, | |
2103 | features->unitExpo); | |
2104 | features->y_resolution = wacom_calc_hid_res(features->y_max, | |
2105 | features->y_phy, | |
2106 | features->unit, | |
2107 | features->unitExpo); | |
2108 | } | |
2109 | ||
fce9957d JG |
2110 | void wacom_battery_work(struct work_struct *work) |
2111 | { | |
d17d1f17 | 2112 | struct wacom *wacom = container_of(work, struct wacom, battery_work); |
fce9957d JG |
2113 | |
2114 | if ((wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) && | |
59d69bc8 | 2115 | !wacom->battery.battery) { |
fce9957d JG |
2116 | wacom_initialize_battery(wacom); |
2117 | } | |
2118 | else if (!(wacom->wacom_wac.features.quirks & WACOM_QUIRK_BATTERY) && | |
59d69bc8 | 2119 | wacom->battery.battery) { |
fce9957d JG |
2120 | wacom_destroy_battery(wacom); |
2121 | } | |
2122 | } | |
2123 | ||
01c846f9 BT |
2124 | static size_t wacom_compute_pktlen(struct hid_device *hdev) |
2125 | { | |
2126 | struct hid_report_enum *report_enum; | |
2127 | struct hid_report *report; | |
2128 | size_t size = 0; | |
2129 | ||
2130 | report_enum = hdev->report_enum + HID_INPUT_REPORT; | |
2131 | ||
2132 | list_for_each_entry(report, &report_enum->report_list, list) { | |
dabb05c6 | 2133 | size_t report_size = hid_report_len(report); |
01c846f9 BT |
2134 | if (report_size > size) |
2135 | size = report_size; | |
2136 | } | |
2137 | ||
2138 | return size; | |
2139 | } | |
2140 | ||
fd5f92b6 | 2141 | static void wacom_update_name(struct wacom *wacom, const char *suffix) |
c24eab4e PC |
2142 | { |
2143 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; | |
2144 | struct wacom_features *features = &wacom_wac->features; | |
44b5250b | 2145 | char name[WACOM_NAME_MAX]; |
c24eab4e PC |
2146 | |
2147 | /* Generic devices name unspecified */ | |
2148 | if ((features->type == HID_GENERIC) && !strcmp("Wacom HID", features->name)) { | |
09dc28ac | 2149 | char *product_name = wacom->hdev->name; |
f2209d4a | 2150 | |
09dc28ac JG |
2151 | if (hid_is_using_ll_driver(wacom->hdev, &usb_hid_driver)) { |
2152 | struct usb_interface *intf = to_usb_interface(wacom->hdev->dev.parent); | |
2153 | struct usb_device *dev = interface_to_usbdev(intf); | |
2154 | product_name = dev->product; | |
2155 | } | |
f2209d4a | 2156 | |
09dc28ac JG |
2157 | if (wacom->hdev->bus == BUS_I2C) { |
2158 | snprintf(name, sizeof(name), "%s %X", | |
2159 | features->name, wacom->hdev->product); | |
2160 | } else if (strstr(product_name, "Wacom") || | |
2161 | strstr(product_name, "wacom") || | |
2162 | strstr(product_name, "WACOM")) { | |
2163 | strlcpy(name, product_name, sizeof(name)); | |
c24eab4e | 2164 | } else { |
09dc28ac | 2165 | snprintf(name, sizeof(name), "Wacom %s", product_name); |
c24eab4e | 2166 | } |
09dc28ac JG |
2167 | |
2168 | /* strip out excess whitespaces */ | |
2169 | while (1) { | |
2170 | char *gap = strstr(name, " "); | |
2171 | if (gap == NULL) | |
2172 | break; | |
2173 | /* shift everything including the terminator */ | |
2174 | memmove(gap, gap+1, strlen(gap)); | |
2175 | } | |
2176 | ||
2177 | /* get rid of trailing whitespace */ | |
2178 | if (name[strlen(name)-1] == ' ') | |
2179 | name[strlen(name)-1] = '\0'; | |
c24eab4e | 2180 | } else { |
44b5250b | 2181 | strlcpy(name, features->name, sizeof(name)); |
c24eab4e PC |
2182 | } |
2183 | ||
9956953e BT |
2184 | snprintf(wacom_wac->name, sizeof(wacom_wac->name), "%s%s", |
2185 | name, suffix); | |
2186 | ||
c24eab4e | 2187 | /* Append the device type to the name */ |
2a6cdbdd | 2188 | snprintf(wacom_wac->pen_name, sizeof(wacom_wac->pen_name), |
fd5f92b6 | 2189 | "%s%s Pen", name, suffix); |
2a6cdbdd | 2190 | snprintf(wacom_wac->touch_name, sizeof(wacom_wac->touch_name), |
fd5f92b6 | 2191 | "%s%s Finger", name, suffix); |
c24eab4e | 2192 | snprintf(wacom_wac->pad_name, sizeof(wacom_wac->pad_name), |
fd5f92b6 | 2193 | "%s%s Pad", name, suffix); |
c24eab4e PC |
2194 | } |
2195 | ||
84dfbd7f BT |
2196 | static void wacom_release_resources(struct wacom *wacom) |
2197 | { | |
2198 | struct hid_device *hdev = wacom->hdev; | |
2199 | ||
2200 | if (!wacom->resources) | |
2201 | return; | |
2202 | ||
2203 | devres_release_group(&hdev->dev, wacom); | |
2204 | ||
2205 | wacom->resources = false; | |
2206 | ||
2207 | wacom->wacom_wac.pen_input = NULL; | |
2208 | wacom->wacom_wac.touch_input = NULL; | |
2209 | wacom->wacom_wac.pad_input = NULL; | |
2210 | } | |
2211 | ||
d2ec58ae AAS |
2212 | static void wacom_set_shared_values(struct wacom_wac *wacom_wac) |
2213 | { | |
2214 | if (wacom_wac->features.device_type & WACOM_DEVICETYPE_TOUCH) { | |
2215 | wacom_wac->shared->type = wacom_wac->features.type; | |
2216 | wacom_wac->shared->touch_input = wacom_wac->touch_input; | |
2217 | } | |
2218 | ||
d793ff81 | 2219 | if (wacom_wac->has_mute_touch_switch) { |
d2ec58ae | 2220 | wacom_wac->shared->has_mute_touch_switch = true; |
d793ff81 PC |
2221 | wacom_wac->shared->is_touch_on = true; |
2222 | } | |
d2ec58ae AAS |
2223 | |
2224 | if (wacom_wac->shared->has_mute_touch_switch && | |
2225 | wacom_wac->shared->touch_input) { | |
2226 | set_bit(EV_SW, wacom_wac->shared->touch_input->evbit); | |
2227 | input_set_capability(wacom_wac->shared->touch_input, EV_SW, | |
2228 | SW_MUTE_DEVICE); | |
2229 | } | |
2230 | } | |
2231 | ||
fd5f92b6 | 2232 | static int wacom_parse_and_register(struct wacom *wacom, bool wireless) |
3bea733a | 2233 | { |
c58ac3a8 BT |
2234 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
2235 | struct wacom_features *features = &wacom_wac->features; | |
2236 | struct hid_device *hdev = wacom->hdev; | |
e33da8a5 | 2237 | int error; |
7704ac93 | 2238 | unsigned int connect_mask = HID_CONNECT_HIDRAW; |
3bea733a | 2239 | |
01c846f9 | 2240 | features->pktlen = wacom_compute_pktlen(hdev); |
c58ac3a8 BT |
2241 | if (features->pktlen > WACOM_PKGLEN_MAX) |
2242 | return -EINVAL; | |
3bea733a | 2243 | |
84dfbd7f BT |
2244 | if (!devres_open_group(&hdev->dev, wacom, GFP_KERNEL)) |
2245 | return -ENOMEM; | |
2246 | ||
2247 | wacom->resources = true; | |
2248 | ||
3f14a63a JG |
2249 | error = wacom_allocate_inputs(wacom); |
2250 | if (error) | |
3888b0d5 | 2251 | goto fail; |
494078b0 | 2252 | |
8c97a765 BT |
2253 | /* |
2254 | * Bamboo Pad has a generic hid handling for the Pen, and we switch it | |
2255 | * into debug mode for the touch part. | |
2256 | * We ignore the other interfaces. | |
2257 | */ | |
2258 | if (features->type == BAMBOO_PAD) { | |
2259 | if (features->pktlen == WACOM_PKGLEN_PENABLED) { | |
2260 | features->type = HID_GENERIC; | |
2261 | } else if ((features->pktlen != WACOM_PKGLEN_BPAD_TOUCH) && | |
2262 | (features->pktlen != WACOM_PKGLEN_BPAD_TOUCH_USB)) { | |
2263 | error = -ENODEV; | |
3888b0d5 | 2264 | goto fail; |
8c97a765 BT |
2265 | } |
2266 | } | |
2267 | ||
401d7d10 PC |
2268 | /* set the default size in case we do not get them from hid */ |
2269 | wacom_set_default_phy(features); | |
2270 | ||
f393ee2b | 2271 | /* Retrieve the physical and logical size for touch devices */ |
c669fb2b | 2272 | wacom_retrieve_hid_descriptor(hdev, features); |
42f4f272 | 2273 | wacom_setup_device_quirks(wacom); |
042628ab | 2274 | |
aa86b18c JG |
2275 | if (features->device_type == WACOM_DEVICETYPE_NONE && |
2276 | features->type != WIRELESS) { | |
8e116d31 JG |
2277 | error = features->type == HID_GENERIC ? -ENODEV : 0; |
2278 | ||
042628ab | 2279 | dev_warn(&hdev->dev, "Unknown device_type for '%s'. %s.", |
8e116d31 JG |
2280 | hdev->name, |
2281 | error ? "Ignoring" : "Assuming pen"); | |
2282 | ||
2283 | if (error) | |
3888b0d5 | 2284 | goto fail; |
042628ab | 2285 | |
aa86b18c | 2286 | features->device_type |= WACOM_DEVICETYPE_PEN; |
042628ab JG |
2287 | } |
2288 | ||
401d7d10 PC |
2289 | wacom_calculate_res(features); |
2290 | ||
fd5f92b6 | 2291 | wacom_update_name(wacom, wireless ? " (WL)" : ""); |
4492efff | 2292 | |
8b407359 AAS |
2293 | /* pen only Bamboo neither support touch nor pad */ |
2294 | if ((features->type == BAMBOO_PEN) && | |
2295 | ((features->device_type & WACOM_DEVICETYPE_TOUCH) || | |
2296 | (features->device_type & WACOM_DEVICETYPE_PAD))) { | |
2297 | error = -ENODEV; | |
2298 | goto fail; | |
2299 | } | |
2300 | ||
a9ce7856 JG |
2301 | error = wacom_add_shared_data(hdev); |
2302 | if (error) | |
2303 | goto fail; | |
49b764ae | 2304 | |
ccad85cc | 2305 | if (!(features->device_type & WACOM_DEVICETYPE_WL_MONITOR) && |
f81a1295 BT |
2306 | (features->quirks & WACOM_QUIRK_BATTERY)) { |
2307 | error = wacom_initialize_battery(wacom); | |
2308 | if (error) | |
3888b0d5 | 2309 | goto fail; |
f81a1295 BT |
2310 | } |
2311 | ||
3f14a63a JG |
2312 | error = wacom_register_inputs(wacom); |
2313 | if (error) | |
3888b0d5 | 2314 | goto fail; |
f81a1295 | 2315 | |
b62f6465 | 2316 | if (wacom->wacom_wac.features.device_type & WACOM_DEVICETYPE_PAD) { |
85d2c77b BT |
2317 | error = wacom_initialize_leds(wacom); |
2318 | if (error) | |
3888b0d5 | 2319 | goto fail; |
85d2c77b | 2320 | |
83e6b40e | 2321 | error = wacom_initialize_remotes(wacom); |
b62f6465 | 2322 | if (error) |
3888b0d5 | 2323 | goto fail; |
b62f6465 BT |
2324 | } |
2325 | ||
7704ac93 BT |
2326 | if (features->type == HID_GENERIC) |
2327 | connect_mask |= HID_CONNECT_DRIVER; | |
2328 | ||
29b47391 | 2329 | /* Regular HID work starts now */ |
7704ac93 | 2330 | error = hid_hw_start(hdev, connect_mask); |
29b47391 BT |
2331 | if (error) { |
2332 | hid_err(hdev, "hw start failed\n"); | |
3888b0d5 | 2333 | goto fail; |
d3825d51 | 2334 | } |
961794a0 | 2335 | |
fd5f92b6 BT |
2336 | if (!wireless) { |
2337 | /* Note that if query fails it is not a hard failure */ | |
a544c619 | 2338 | wacom_query_tablet_data(wacom); |
fd5f92b6 | 2339 | } |
86e88f0e JG |
2340 | |
2341 | /* touch only Bamboo doesn't support pen */ | |
2342 | if ((features->type == BAMBOO_TOUCH) && | |
2343 | (features->device_type & WACOM_DEVICETYPE_PEN)) { | |
4d20c332 AAS |
2344 | cancel_delayed_work_sync(&wacom->init_work); |
2345 | _wacom_query_tablet_data(wacom); | |
86e88f0e | 2346 | error = -ENODEV; |
b62f6465 | 2347 | goto fail_quirks; |
86e88f0e JG |
2348 | } |
2349 | ||
ccad85cc | 2350 | if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) |
29b47391 BT |
2351 | error = hid_hw_open(hdev); |
2352 | ||
d2ec58ae | 2353 | wacom_set_shared_values(wacom_wac); |
84dfbd7f BT |
2354 | devres_close_group(&hdev->dev, wacom); |
2355 | ||
3bea733a PC |
2356 | return 0; |
2357 | ||
b62f6465 | 2358 | fail_quirks: |
c58ac3a8 | 2359 | hid_hw_stop(hdev); |
3888b0d5 | 2360 | fail: |
84dfbd7f | 2361 | wacom_release_resources(wacom); |
c58ac3a8 BT |
2362 | return error; |
2363 | } | |
2364 | ||
a2f091af BT |
2365 | static void wacom_wireless_work(struct work_struct *work) |
2366 | { | |
d17d1f17 | 2367 | struct wacom *wacom = container_of(work, struct wacom, wireless_work); |
a2f091af BT |
2368 | struct usb_device *usbdev = wacom->usbdev; |
2369 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; | |
2370 | struct hid_device *hdev1, *hdev2; | |
2371 | struct wacom *wacom1, *wacom2; | |
2372 | struct wacom_wac *wacom_wac1, *wacom_wac2; | |
2373 | int error; | |
2374 | ||
2375 | /* | |
2376 | * Regardless if this is a disconnect or a new tablet, | |
2377 | * remove any existing input and battery devices. | |
2378 | */ | |
2379 | ||
2380 | wacom_destroy_battery(wacom); | |
2381 | ||
2382 | /* Stylus interface */ | |
2383 | hdev1 = usb_get_intfdata(usbdev->config->interface[1]); | |
2384 | wacom1 = hid_get_drvdata(hdev1); | |
2385 | wacom_wac1 = &(wacom1->wacom_wac); | |
84dfbd7f | 2386 | wacom_release_resources(wacom1); |
a2f091af BT |
2387 | |
2388 | /* Touch interface */ | |
2389 | hdev2 = usb_get_intfdata(usbdev->config->interface[2]); | |
2390 | wacom2 = hid_get_drvdata(hdev2); | |
2391 | wacom_wac2 = &(wacom2->wacom_wac); | |
84dfbd7f | 2392 | wacom_release_resources(wacom2); |
a2f091af BT |
2393 | |
2394 | if (wacom_wac->pid == 0) { | |
2395 | hid_info(wacom->hdev, "wireless tablet disconnected\n"); | |
a2f091af BT |
2396 | } else { |
2397 | const struct hid_device_id *id = wacom_ids; | |
2398 | ||
2399 | hid_info(wacom->hdev, "wireless tablet connected with PID %x\n", | |
2400 | wacom_wac->pid); | |
2401 | ||
2402 | while (id->bus) { | |
2403 | if (id->vendor == USB_VENDOR_ID_WACOM && | |
2404 | id->product == wacom_wac->pid) | |
2405 | break; | |
2406 | id++; | |
2407 | } | |
2408 | ||
2409 | if (!id->bus) { | |
2410 | hid_info(wacom->hdev, "ignoring unknown PID.\n"); | |
2411 | return; | |
2412 | } | |
2413 | ||
2414 | /* Stylus interface */ | |
2415 | wacom_wac1->features = | |
2416 | *((struct wacom_features *)id->driver_data); | |
fd5f92b6 | 2417 | |
a2f091af | 2418 | wacom_wac1->pid = wacom_wac->pid; |
fd5f92b6 BT |
2419 | hid_hw_stop(hdev1); |
2420 | error = wacom_parse_and_register(wacom1, true); | |
a2f091af BT |
2421 | if (error) |
2422 | goto fail; | |
2423 | ||
2424 | /* Touch interface */ | |
2425 | if (wacom_wac1->features.touch_max || | |
2426 | (wacom_wac1->features.type >= INTUOSHT && | |
2427 | wacom_wac1->features.type <= BAMBOO_PT)) { | |
2428 | wacom_wac2->features = | |
2429 | *((struct wacom_features *)id->driver_data); | |
a2f091af | 2430 | wacom_wac2->pid = wacom_wac->pid; |
fd5f92b6 BT |
2431 | hid_hw_stop(hdev2); |
2432 | error = wacom_parse_and_register(wacom2, true); | |
a2f091af BT |
2433 | if (error) |
2434 | goto fail; | |
a2f091af BT |
2435 | } |
2436 | ||
9956953e BT |
2437 | strlcpy(wacom_wac->name, wacom_wac1->name, |
2438 | sizeof(wacom_wac->name)); | |
a2f091af BT |
2439 | error = wacom_initialize_battery(wacom); |
2440 | if (error) | |
2441 | goto fail; | |
2442 | } | |
2443 | ||
2444 | return; | |
2445 | ||
2446 | fail: | |
84dfbd7f | 2447 | wacom_release_resources(wacom1); |
84dfbd7f | 2448 | wacom_release_resources(wacom2); |
a2f091af BT |
2449 | return; |
2450 | } | |
2451 | ||
04bfa27b BT |
2452 | static void wacom_remote_destroy_one(struct wacom *wacom, unsigned int index) |
2453 | { | |
2454 | struct wacom_remote *remote = wacom->remote; | |
e7749f6e | 2455 | u32 serial = remote->remotes[index].serial; |
04bfa27b | 2456 | int i; |
7c35dc3c BT |
2457 | unsigned long flags; |
2458 | ||
791ae273 AAS |
2459 | for (i = 0; i < WACOM_MAX_REMOTES; i++) { |
2460 | if (remote->remotes[i].serial == serial) { | |
04bfa27b | 2461 | |
791ae273 AAS |
2462 | spin_lock_irqsave(&remote->remote_lock, flags); |
2463 | remote->remotes[i].registered = false; | |
2464 | spin_unlock_irqrestore(&remote->remote_lock, flags); | |
9f1015d4 | 2465 | |
791ae273 AAS |
2466 | if (remote->remotes[i].battery.battery) |
2467 | devres_release_group(&wacom->hdev->dev, | |
2468 | &remote->remotes[i].battery.bat_desc); | |
2469 | ||
2470 | if (remote->remotes[i].group.name) | |
2471 | devres_release_group(&wacom->hdev->dev, | |
2472 | &remote->remotes[i]); | |
04bfa27b | 2473 | |
e7749f6e BT |
2474 | remote->remotes[i].serial = 0; |
2475 | remote->remotes[i].group.name = NULL; | |
9f1015d4 | 2476 | remote->remotes[i].battery.battery = NULL; |
04bfa27b BT |
2477 | wacom->led.groups[i].select = WACOM_STATUS_UNKNOWN; |
2478 | } | |
2479 | } | |
2480 | } | |
2481 | ||
2482 | static int wacom_remote_create_one(struct wacom *wacom, u32 serial, | |
2483 | unsigned int index) | |
2484 | { | |
2485 | struct wacom_remote *remote = wacom->remote; | |
f9036bd4 | 2486 | struct device *dev = &wacom->hdev->dev; |
04bfa27b BT |
2487 | int error, k; |
2488 | ||
2489 | /* A remote can pair more than once with an EKR, | |
2490 | * check to make sure this serial isn't already paired. | |
2491 | */ | |
2492 | for (k = 0; k < WACOM_MAX_REMOTES; k++) { | |
e7749f6e | 2493 | if (remote->remotes[k].serial == serial) |
04bfa27b BT |
2494 | break; |
2495 | } | |
2496 | ||
2497 | if (k < WACOM_MAX_REMOTES) { | |
e7749f6e | 2498 | remote->remotes[index].serial = serial; |
04bfa27b BT |
2499 | return 0; |
2500 | } | |
2501 | ||
e7749f6e | 2502 | if (!devres_open_group(dev, &remote->remotes[index], GFP_KERNEL)) |
f9036bd4 BT |
2503 | return -ENOMEM; |
2504 | ||
04bfa27b BT |
2505 | error = wacom_remote_create_attr_group(wacom, serial, index); |
2506 | if (error) | |
f9036bd4 | 2507 | goto fail; |
04bfa27b | 2508 | |
7c35dc3c BT |
2509 | remote->remotes[index].input = wacom_allocate_input(wacom); |
2510 | if (!remote->remotes[index].input) { | |
2511 | error = -ENOMEM; | |
2512 | goto fail; | |
2513 | } | |
2514 | remote->remotes[index].input->uniq = remote->remotes[index].group.name; | |
2515 | remote->remotes[index].input->name = wacom->wacom_wac.pad_name; | |
2516 | ||
2517 | if (!remote->remotes[index].input->name) { | |
2518 | error = -EINVAL; | |
2519 | goto fail; | |
2520 | } | |
2521 | ||
2522 | error = wacom_setup_pad_input_capabilities(remote->remotes[index].input, | |
2523 | &wacom->wacom_wac); | |
2524 | if (error) | |
2525 | goto fail; | |
2526 | ||
e7749f6e | 2527 | remote->remotes[index].serial = serial; |
04bfa27b | 2528 | |
7c35dc3c BT |
2529 | error = input_register_device(remote->remotes[index].input); |
2530 | if (error) | |
2531 | goto fail; | |
2532 | ||
97f5541f BT |
2533 | error = wacom_led_groups_alloc_and_register_one( |
2534 | &remote->remotes[index].input->dev, | |
2535 | wacom, index, 3, true); | |
2536 | if (error) | |
2537 | goto fail; | |
2538 | ||
7c35dc3c BT |
2539 | remote->remotes[index].registered = true; |
2540 | ||
e7749f6e | 2541 | devres_close_group(dev, &remote->remotes[index]); |
04bfa27b | 2542 | return 0; |
f9036bd4 BT |
2543 | |
2544 | fail: | |
e7749f6e BT |
2545 | devres_release_group(dev, &remote->remotes[index]); |
2546 | remote->remotes[index].serial = 0; | |
f9036bd4 | 2547 | return error; |
04bfa27b BT |
2548 | } |
2549 | ||
9f1015d4 BT |
2550 | static int wacom_remote_attach_battery(struct wacom *wacom, int index) |
2551 | { | |
2552 | struct wacom_remote *remote = wacom->remote; | |
2553 | int error; | |
2554 | ||
2555 | if (!remote->remotes[index].registered) | |
2556 | return 0; | |
2557 | ||
2558 | if (remote->remotes[index].battery.battery) | |
2559 | return 0; | |
2560 | ||
2561 | if (wacom->led.groups[index].select == WACOM_STATUS_UNKNOWN) | |
2562 | return 0; | |
2563 | ||
2564 | error = __wacom_initialize_battery(wacom, | |
2565 | &wacom->remote->remotes[index].battery); | |
2566 | if (error) | |
2567 | return error; | |
2568 | ||
2569 | return 0; | |
2570 | } | |
2571 | ||
e6f2813a BT |
2572 | static void wacom_remote_work(struct work_struct *work) |
2573 | { | |
2574 | struct wacom *wacom = container_of(work, struct wacom, remote_work); | |
83e6b40e | 2575 | struct wacom_remote *remote = wacom->remote; |
e6f2813a BT |
2576 | struct wacom_remote_data data; |
2577 | unsigned long flags; | |
2578 | unsigned int count; | |
2579 | u32 serial; | |
04bfa27b | 2580 | int i; |
e6f2813a | 2581 | |
83e6b40e | 2582 | spin_lock_irqsave(&remote->remote_lock, flags); |
e6f2813a | 2583 | |
83e6b40e | 2584 | count = kfifo_out(&remote->remote_fifo, &data, sizeof(data)); |
e6f2813a BT |
2585 | |
2586 | if (count != sizeof(data)) { | |
2587 | hid_err(wacom->hdev, | |
2588 | "workitem triggered without status available\n"); | |
83e6b40e | 2589 | spin_unlock_irqrestore(&remote->remote_lock, flags); |
e6f2813a BT |
2590 | return; |
2591 | } | |
2592 | ||
83e6b40e | 2593 | if (!kfifo_is_empty(&remote->remote_fifo)) |
e6f2813a BT |
2594 | wacom_schedule_work(&wacom->wacom_wac, WACOM_WORKER_REMOTE); |
2595 | ||
83e6b40e | 2596 | spin_unlock_irqrestore(&remote->remote_lock, flags); |
e6f2813a BT |
2597 | |
2598 | for (i = 0; i < WACOM_MAX_REMOTES; i++) { | |
2599 | serial = data.remote[i].serial; | |
2600 | if (data.remote[i].connected) { | |
2601 | ||
9f1015d4 BT |
2602 | if (remote->remotes[i].serial == serial) { |
2603 | wacom_remote_attach_battery(wacom, i); | |
e6f2813a | 2604 | continue; |
9f1015d4 | 2605 | } |
e6f2813a | 2606 | |
e7749f6e | 2607 | if (remote->remotes[i].serial) |
04bfa27b | 2608 | wacom_remote_destroy_one(wacom, i); |
e6f2813a | 2609 | |
04bfa27b | 2610 | wacom_remote_create_one(wacom, serial, i); |
e6f2813a | 2611 | |
e7749f6e | 2612 | } else if (remote->remotes[i].serial) { |
04bfa27b | 2613 | wacom_remote_destroy_one(wacom, i); |
e6f2813a BT |
2614 | } |
2615 | } | |
2616 | } | |
2617 | ||
4082da80 BT |
2618 | static void wacom_mode_change_work(struct work_struct *work) |
2619 | { | |
2620 | struct wacom *wacom = container_of(work, struct wacom, mode_change_work); | |
2621 | struct wacom_shared *shared = wacom->wacom_wac.shared; | |
2622 | struct wacom *wacom1 = NULL; | |
2623 | struct wacom *wacom2 = NULL; | |
2624 | bool is_direct = wacom->wacom_wac.is_direct_mode; | |
2625 | int error = 0; | |
2626 | ||
2627 | if (shared->pen) { | |
2628 | wacom1 = hid_get_drvdata(shared->pen); | |
2629 | wacom_release_resources(wacom1); | |
2630 | hid_hw_stop(wacom1->hdev); | |
2631 | wacom1->wacom_wac.has_mode_change = true; | |
2632 | wacom1->wacom_wac.is_direct_mode = is_direct; | |
2633 | } | |
2634 | ||
2635 | if (shared->touch) { | |
2636 | wacom2 = hid_get_drvdata(shared->touch); | |
2637 | wacom_release_resources(wacom2); | |
2638 | hid_hw_stop(wacom2->hdev); | |
2639 | wacom2->wacom_wac.has_mode_change = true; | |
2640 | wacom2->wacom_wac.is_direct_mode = is_direct; | |
2641 | } | |
2642 | ||
2643 | if (wacom1) { | |
2644 | error = wacom_parse_and_register(wacom1, false); | |
2645 | if (error) | |
2646 | return; | |
2647 | } | |
2648 | ||
2649 | if (wacom2) { | |
2650 | error = wacom_parse_and_register(wacom2, false); | |
2651 | if (error) | |
2652 | return; | |
2653 | } | |
2654 | ||
a2f091af BT |
2655 | return; |
2656 | } | |
2657 | ||
c58ac3a8 BT |
2658 | static int wacom_probe(struct hid_device *hdev, |
2659 | const struct hid_device_id *id) | |
2660 | { | |
2661 | struct usb_interface *intf = to_usb_interface(hdev->dev.parent); | |
2662 | struct usb_device *dev = interface_to_usbdev(intf); | |
2663 | struct wacom *wacom; | |
2664 | struct wacom_wac *wacom_wac; | |
2665 | struct wacom_features *features; | |
2666 | int error; | |
2667 | ||
2668 | if (!id->driver_data) | |
2669 | return -EINVAL; | |
2670 | ||
2671 | hdev->quirks |= HID_QUIRK_NO_INIT_REPORTS; | |
2672 | ||
2673 | /* hid-core sets this quirk for the boot interface */ | |
2674 | hdev->quirks &= ~HID_QUIRK_NOGET; | |
2675 | ||
19b64330 | 2676 | wacom = devm_kzalloc(&hdev->dev, sizeof(struct wacom), GFP_KERNEL); |
c58ac3a8 BT |
2677 | if (!wacom) |
2678 | return -ENOMEM; | |
2679 | ||
2680 | hid_set_drvdata(hdev, wacom); | |
2681 | wacom->hdev = hdev; | |
2682 | ||
2683 | wacom_wac = &wacom->wacom_wac; | |
2684 | wacom_wac->features = *((struct wacom_features *)id->driver_data); | |
2685 | features = &wacom_wac->features; | |
2686 | ||
2687 | if (features->check_for_hid_type && features->hid_type != hdev->type) { | |
2688 | error = -ENODEV; | |
3888b0d5 | 2689 | goto fail; |
c58ac3a8 BT |
2690 | } |
2691 | ||
83417206 JG |
2692 | error = kfifo_alloc(&wacom_wac->pen_fifo, WACOM_PKGLEN_MAX, GFP_KERNEL); |
2693 | if (error) | |
2694 | goto fail; | |
2695 | ||
c6fa1aeb | 2696 | wacom_wac->hid_data.inputmode = -1; |
326ea2a9 | 2697 | wacom_wac->mode_report = -1; |
c6fa1aeb | 2698 | |
c58ac3a8 BT |
2699 | wacom->usbdev = dev; |
2700 | wacom->intf = intf; | |
2701 | mutex_init(&wacom->lock); | |
a544c619 | 2702 | INIT_DELAYED_WORK(&wacom->init_work, wacom_init_work); |
d17d1f17 BT |
2703 | INIT_WORK(&wacom->wireless_work, wacom_wireless_work); |
2704 | INIT_WORK(&wacom->battery_work, wacom_battery_work); | |
e6f2813a | 2705 | INIT_WORK(&wacom->remote_work, wacom_remote_work); |
4082da80 | 2706 | INIT_WORK(&wacom->mode_change_work, wacom_mode_change_work); |
c58ac3a8 BT |
2707 | |
2708 | /* ask for the report descriptor to be loaded by HID */ | |
2709 | error = hid_parse(hdev); | |
2710 | if (error) { | |
2711 | hid_err(hdev, "parse failed\n"); | |
3888b0d5 | 2712 | goto fail; |
c58ac3a8 BT |
2713 | } |
2714 | ||
fd5f92b6 | 2715 | error = wacom_parse_and_register(wacom, false); |
c58ac3a8 | 2716 | if (error) |
3888b0d5 | 2717 | goto fail; |
c58ac3a8 BT |
2718 | |
2719 | if (hdev->bus == BUS_BLUETOOTH) { | |
2720 | error = device_create_file(&hdev->dev, &dev_attr_speed); | |
2721 | if (error) | |
2722 | hid_warn(hdev, | |
2723 | "can't create sysfs speed attribute err: %d\n", | |
2724 | error); | |
2725 | } | |
2726 | ||
2727 | return 0; | |
2728 | ||
3888b0d5 | 2729 | fail: |
29b47391 | 2730 | hid_set_drvdata(hdev, NULL); |
5014186d | 2731 | return error; |
3bea733a PC |
2732 | } |
2733 | ||
29b47391 | 2734 | static void wacom_remove(struct hid_device *hdev) |
3bea733a | 2735 | { |
29b47391 | 2736 | struct wacom *wacom = hid_get_drvdata(hdev); |
f6205161 BT |
2737 | struct wacom_wac *wacom_wac = &wacom->wacom_wac; |
2738 | struct wacom_features *features = &wacom_wac->features; | |
2739 | ||
2740 | if (features->device_type & WACOM_DEVICETYPE_WL_MONITOR) | |
2741 | hid_hw_close(hdev); | |
3bea733a | 2742 | |
29b47391 | 2743 | hid_hw_stop(hdev); |
e7224094 | 2744 | |
a544c619 | 2745 | cancel_delayed_work_sync(&wacom->init_work); |
d17d1f17 BT |
2746 | cancel_work_sync(&wacom->wireless_work); |
2747 | cancel_work_sync(&wacom->battery_work); | |
e6f2813a | 2748 | cancel_work_sync(&wacom->remote_work); |
4082da80 | 2749 | cancel_work_sync(&wacom->mode_change_work); |
f81a1295 BT |
2750 | if (hdev->bus == BUS_BLUETOOTH) |
2751 | device_remove_file(&hdev->dev, &dev_attr_speed); | |
e7224094 | 2752 | |
c0265a94 BT |
2753 | /* make sure we don't trigger the LEDs */ |
2754 | wacom_led_groups_release(wacom); | |
b6b1f19b AAS |
2755 | |
2756 | if (wacom->wacom_wac.features.type != REMOTE) | |
2757 | wacom_release_resources(wacom); | |
5b779fc5 | 2758 | |
83417206 JG |
2759 | kfifo_free(&wacom_wac->pen_fifo); |
2760 | ||
29b47391 | 2761 | hid_set_drvdata(hdev, NULL); |
e7224094 ON |
2762 | } |
2763 | ||
41a74581 | 2764 | #ifdef CONFIG_PM |
29b47391 | 2765 | static int wacom_resume(struct hid_device *hdev) |
e7224094 | 2766 | { |
29b47391 | 2767 | struct wacom *wacom = hid_get_drvdata(hdev); |
e7224094 ON |
2768 | |
2769 | mutex_lock(&wacom->lock); | |
38101475 PC |
2770 | |
2771 | /* switch to wacom mode first */ | |
a544c619 | 2772 | _wacom_query_tablet_data(wacom); |
5d7e7d47 | 2773 | wacom_led_control(wacom); |
38101475 | 2774 | |
e7224094 ON |
2775 | mutex_unlock(&wacom->lock); |
2776 | ||
29b47391 | 2777 | return 0; |
e7224094 ON |
2778 | } |
2779 | ||
29b47391 | 2780 | static int wacom_reset_resume(struct hid_device *hdev) |
e7224094 | 2781 | { |
29b47391 | 2782 | return wacom_resume(hdev); |
3bea733a | 2783 | } |
41a74581 | 2784 | #endif /* CONFIG_PM */ |
3bea733a | 2785 | |
29b47391 | 2786 | static struct hid_driver wacom_driver = { |
3bea733a | 2787 | .name = "wacom", |
b036f6fb | 2788 | .id_table = wacom_ids, |
3bea733a | 2789 | .probe = wacom_probe, |
29b47391 | 2790 | .remove = wacom_remove, |
7704ac93 | 2791 | .report = wacom_wac_report, |
29b47391 | 2792 | #ifdef CONFIG_PM |
e7224094 ON |
2793 | .resume = wacom_resume, |
2794 | .reset_resume = wacom_reset_resume, | |
29b47391 BT |
2795 | #endif |
2796 | .raw_event = wacom_raw_event, | |
3bea733a | 2797 | }; |
29b47391 | 2798 | module_hid_driver(wacom_driver); |
f2e0a7d4 BT |
2799 | |
2800 | MODULE_VERSION(DRIVER_VERSION); | |
2801 | MODULE_AUTHOR(DRIVER_AUTHOR); | |
2802 | MODULE_DESCRIPTION(DRIVER_DESC); | |
7021b600 | 2803 | MODULE_LICENSE("GPL"); |