Root/
1 | /* |
2 | * HID driver for multitouch panels |
3 | * |
4 | * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr> |
5 | * Copyright (c) 2010-2012 Benjamin Tissoires <benjamin.tissoires@gmail.com> |
6 | * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France |
7 | * |
8 | * This code is partly based on hid-egalax.c: |
9 | * |
10 | * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr> |
11 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> |
12 | * Copyright (c) 2010 Canonical, Ltd. |
13 | * |
14 | * This code is partly based on hid-3m-pct.c: |
15 | * |
16 | * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr> |
17 | * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se> |
18 | * Copyright (c) 2010 Canonical, Ltd. |
19 | * |
20 | */ |
21 | |
22 | /* |
23 | * This program is free software; you can redistribute it and/or modify it |
24 | * under the terms of the GNU General Public License as published by the Free |
25 | * Software Foundation; either version 2 of the License, or (at your option) |
26 | * any later version. |
27 | */ |
28 | |
29 | #include <linux/device.h> |
30 | #include <linux/hid.h> |
31 | #include <linux/module.h> |
32 | #include <linux/slab.h> |
33 | #include <linux/usb.h> |
34 | #include <linux/input/mt.h> |
35 | #include "usbhid/usbhid.h" |
36 | |
37 | |
38 | MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>"); |
39 | MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>"); |
40 | MODULE_DESCRIPTION("HID multitouch panels"); |
41 | MODULE_LICENSE("GPL"); |
42 | |
43 | #include "hid-ids.h" |
44 | |
45 | /* quirks to control the device */ |
46 | #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0) |
47 | #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1) |
48 | #define MT_QUIRK_CYPRESS (1 << 2) |
49 | #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3) |
50 | #define MT_QUIRK_ALWAYS_VALID (1 << 4) |
51 | #define MT_QUIRK_VALID_IS_INRANGE (1 << 5) |
52 | #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6) |
53 | #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8) |
54 | #define MT_QUIRK_NO_AREA (1 << 9) |
55 | #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10) |
56 | #define MT_QUIRK_HOVERING (1 << 11) |
57 | #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12) |
58 | |
59 | struct mt_slot { |
60 | __s32 x, y, cx, cy, p, w, h; |
61 | __s32 contactid; /* the device ContactID assigned to this slot */ |
62 | bool touch_state; /* is the touch valid? */ |
63 | bool inrange_state; /* is the finger in proximity of the sensor? */ |
64 | }; |
65 | |
66 | struct mt_class { |
67 | __s32 name; /* MT_CLS */ |
68 | __s32 quirks; |
69 | __s32 sn_move; /* Signal/noise ratio for move events */ |
70 | __s32 sn_width; /* Signal/noise ratio for width events */ |
71 | __s32 sn_height; /* Signal/noise ratio for height events */ |
72 | __s32 sn_pressure; /* Signal/noise ratio for pressure events */ |
73 | __u8 maxcontacts; |
74 | bool is_indirect; /* true for touchpads */ |
75 | }; |
76 | |
77 | struct mt_fields { |
78 | unsigned usages[HID_MAX_FIELDS]; |
79 | unsigned int length; |
80 | }; |
81 | |
82 | struct mt_device { |
83 | struct mt_slot curdata; /* placeholder of incoming data */ |
84 | struct mt_class mtclass; /* our mt device class */ |
85 | struct mt_fields *fields; /* temporary placeholder for storing the |
86 | multitouch fields */ |
87 | int cc_index; /* contact count field index in the report */ |
88 | int cc_value_index; /* contact count value index in the field */ |
89 | unsigned last_field_index; /* last field index of the report */ |
90 | unsigned last_slot_field; /* the last field of a slot */ |
91 | unsigned mt_report_id; /* the report ID of the multitouch device */ |
92 | __s8 inputmode; /* InputMode HID feature, -1 if non-existent */ |
93 | __s8 inputmode_index; /* InputMode HID feature index in the report */ |
94 | __s8 maxcontact_report_id; /* Maximum Contact Number HID feature, |
95 | -1 if non-existent */ |
96 | __u8 num_received; /* how many contacts we received */ |
97 | __u8 num_expected; /* expected last contact index */ |
98 | __u8 maxcontacts; |
99 | __u8 touches_by_report; /* how many touches are present in one report: |
100 | * 1 means we should use a serial protocol |
101 | * > 1 means hybrid (multitouch) protocol */ |
102 | bool serial_maybe; /* need to check for serial protocol */ |
103 | bool curvalid; /* is the current contact valid? */ |
104 | unsigned mt_flags; /* flags to pass to input-mt */ |
105 | }; |
106 | |
107 | /* classes of device behavior */ |
108 | #define MT_CLS_DEFAULT 0x0001 |
109 | |
110 | #define MT_CLS_SERIAL 0x0002 |
111 | #define MT_CLS_CONFIDENCE 0x0003 |
112 | #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004 |
113 | #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005 |
114 | #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006 |
115 | #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007 |
116 | #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008 |
117 | #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009 |
118 | #define MT_CLS_NSMU 0x000a |
119 | #define MT_CLS_DUAL_CONTACT_NUMBER 0x0010 |
120 | #define MT_CLS_DUAL_CONTACT_ID 0x0011 |
121 | |
122 | /* vendor specific classes */ |
123 | #define MT_CLS_3M 0x0101 |
124 | #define MT_CLS_CYPRESS 0x0102 |
125 | #define MT_CLS_EGALAX 0x0103 |
126 | #define MT_CLS_EGALAX_SERIAL 0x0104 |
127 | #define MT_CLS_TOPSEED 0x0105 |
128 | #define MT_CLS_PANASONIC 0x0106 |
129 | #define MT_CLS_FLATFROG 0x0107 |
130 | #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108 |
131 | #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109 |
132 | |
133 | #define MT_DEFAULT_MAXCONTACT 10 |
134 | #define MT_MAX_MAXCONTACT 250 |
135 | |
136 | #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p) |
137 | #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p) |
138 | |
139 | /* |
140 | * these device-dependent functions determine what slot corresponds |
141 | * to a valid contact that was just read. |
142 | */ |
143 | |
144 | static int cypress_compute_slot(struct mt_device *td) |
145 | { |
146 | if (td->curdata.contactid != 0 || td->num_received == 0) |
147 | return td->curdata.contactid; |
148 | else |
149 | return -1; |
150 | } |
151 | |
152 | static struct mt_class mt_classes[] = { |
153 | { .name = MT_CLS_DEFAULT, |
154 | .quirks = MT_QUIRK_ALWAYS_VALID | |
155 | MT_QUIRK_CONTACT_CNT_ACCURATE }, |
156 | { .name = MT_CLS_NSMU, |
157 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP }, |
158 | { .name = MT_CLS_SERIAL, |
159 | .quirks = MT_QUIRK_ALWAYS_VALID}, |
160 | { .name = MT_CLS_CONFIDENCE, |
161 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE }, |
162 | { .name = MT_CLS_CONFIDENCE_CONTACT_ID, |
163 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
164 | MT_QUIRK_SLOT_IS_CONTACTID }, |
165 | { .name = MT_CLS_CONFIDENCE_MINUS_ONE, |
166 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
167 | MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE }, |
168 | { .name = MT_CLS_DUAL_INRANGE_CONTACTID, |
169 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
170 | MT_QUIRK_SLOT_IS_CONTACTID, |
171 | .maxcontacts = 2 }, |
172 | { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
173 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
174 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
175 | .maxcontacts = 2 }, |
176 | { .name = MT_CLS_DUAL_NSMU_CONTACTID, |
177 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
178 | MT_QUIRK_SLOT_IS_CONTACTID, |
179 | .maxcontacts = 2 }, |
180 | { .name = MT_CLS_INRANGE_CONTACTNUMBER, |
181 | .quirks = MT_QUIRK_VALID_IS_INRANGE | |
182 | MT_QUIRK_SLOT_IS_CONTACTNUMBER }, |
183 | { .name = MT_CLS_DUAL_CONTACT_NUMBER, |
184 | .quirks = MT_QUIRK_ALWAYS_VALID | |
185 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
186 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
187 | .maxcontacts = 2 }, |
188 | { .name = MT_CLS_DUAL_CONTACT_ID, |
189 | .quirks = MT_QUIRK_ALWAYS_VALID | |
190 | MT_QUIRK_CONTACT_CNT_ACCURATE | |
191 | MT_QUIRK_SLOT_IS_CONTACTID, |
192 | .maxcontacts = 2 }, |
193 | |
194 | /* |
195 | * vendor specific classes |
196 | */ |
197 | { .name = MT_CLS_3M, |
198 | .quirks = MT_QUIRK_VALID_IS_CONFIDENCE | |
199 | MT_QUIRK_SLOT_IS_CONTACTID, |
200 | .sn_move = 2048, |
201 | .sn_width = 128, |
202 | .sn_height = 128, |
203 | .maxcontacts = 60, |
204 | }, |
205 | { .name = MT_CLS_CYPRESS, |
206 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
207 | MT_QUIRK_CYPRESS, |
208 | .maxcontacts = 10 }, |
209 | { .name = MT_CLS_EGALAX, |
210 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | |
211 | MT_QUIRK_VALID_IS_INRANGE, |
212 | .sn_move = 4096, |
213 | .sn_pressure = 32, |
214 | }, |
215 | { .name = MT_CLS_EGALAX_SERIAL, |
216 | .quirks = MT_QUIRK_SLOT_IS_CONTACTID | |
217 | MT_QUIRK_ALWAYS_VALID, |
218 | .sn_move = 4096, |
219 | .sn_pressure = 32, |
220 | }, |
221 | { .name = MT_CLS_TOPSEED, |
222 | .quirks = MT_QUIRK_ALWAYS_VALID, |
223 | .is_indirect = true, |
224 | .maxcontacts = 2, |
225 | }, |
226 | { .name = MT_CLS_PANASONIC, |
227 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP, |
228 | .maxcontacts = 4 }, |
229 | { .name = MT_CLS_GENERALTOUCH_TWOFINGERS, |
230 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
231 | MT_QUIRK_VALID_IS_INRANGE | |
232 | MT_QUIRK_SLOT_IS_CONTACTNUMBER, |
233 | .maxcontacts = 2 |
234 | }, |
235 | { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
236 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
237 | MT_QUIRK_SLOT_IS_CONTACTNUMBER |
238 | }, |
239 | |
240 | { .name = MT_CLS_FLATFROG, |
241 | .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP | |
242 | MT_QUIRK_NO_AREA, |
243 | .sn_move = 2048, |
244 | .maxcontacts = 40, |
245 | }, |
246 | { } |
247 | }; |
248 | |
249 | static ssize_t mt_show_quirks(struct device *dev, |
250 | struct device_attribute *attr, |
251 | char *buf) |
252 | { |
253 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
254 | struct mt_device *td = hid_get_drvdata(hdev); |
255 | |
256 | return sprintf(buf, "%u\n", td->mtclass.quirks); |
257 | } |
258 | |
259 | static ssize_t mt_set_quirks(struct device *dev, |
260 | struct device_attribute *attr, |
261 | const char *buf, size_t count) |
262 | { |
263 | struct hid_device *hdev = container_of(dev, struct hid_device, dev); |
264 | struct mt_device *td = hid_get_drvdata(hdev); |
265 | |
266 | unsigned long val; |
267 | |
268 | if (kstrtoul(buf, 0, &val)) |
269 | return -EINVAL; |
270 | |
271 | td->mtclass.quirks = val; |
272 | |
273 | if (td->cc_index < 0) |
274 | td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
275 | |
276 | return count; |
277 | } |
278 | |
279 | static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks); |
280 | |
281 | static struct attribute *sysfs_attrs[] = { |
282 | &dev_attr_quirks.attr, |
283 | NULL |
284 | }; |
285 | |
286 | static struct attribute_group mt_attribute_group = { |
287 | .attrs = sysfs_attrs |
288 | }; |
289 | |
290 | static void mt_feature_mapping(struct hid_device *hdev, |
291 | struct hid_field *field, struct hid_usage *usage) |
292 | { |
293 | struct mt_device *td = hid_get_drvdata(hdev); |
294 | int i; |
295 | |
296 | switch (usage->hid) { |
297 | case HID_DG_INPUTMODE: |
298 | td->inputmode = field->report->id; |
299 | td->inputmode_index = 0; /* has to be updated below */ |
300 | |
301 | for (i=0; i < field->maxusage; i++) { |
302 | if (field->usage[i].hid == usage->hid) { |
303 | td->inputmode_index = i; |
304 | break; |
305 | } |
306 | } |
307 | |
308 | break; |
309 | case HID_DG_CONTACTMAX: |
310 | td->maxcontact_report_id = field->report->id; |
311 | td->maxcontacts = field->value[0]; |
312 | if (!td->maxcontacts && |
313 | field->logical_maximum <= MT_MAX_MAXCONTACT) |
314 | td->maxcontacts = field->logical_maximum; |
315 | if (td->mtclass.maxcontacts) |
316 | /* check if the maxcontacts is given by the class */ |
317 | td->maxcontacts = td->mtclass.maxcontacts; |
318 | |
319 | break; |
320 | case 0xff0000c5: |
321 | if (field->report_count == 256 && field->report_size == 8) { |
322 | /* Win 8 devices need special quirks */ |
323 | __s32 *quirks = &td->mtclass.quirks; |
324 | *quirks |= MT_QUIRK_ALWAYS_VALID; |
325 | *quirks |= MT_QUIRK_IGNORE_DUPLICATES; |
326 | *quirks |= MT_QUIRK_HOVERING; |
327 | *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE; |
328 | *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; |
329 | *quirks &= ~MT_QUIRK_VALID_IS_INRANGE; |
330 | *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; |
331 | } |
332 | break; |
333 | } |
334 | } |
335 | |
336 | static void set_abs(struct input_dev *input, unsigned int code, |
337 | struct hid_field *field, int snratio) |
338 | { |
339 | int fmin = field->logical_minimum; |
340 | int fmax = field->logical_maximum; |
341 | int fuzz = snratio ? (fmax - fmin) / snratio : 0; |
342 | input_set_abs_params(input, code, fmin, fmax, fuzz, 0); |
343 | input_abs_set_res(input, code, hidinput_calc_abs_res(field, code)); |
344 | } |
345 | |
346 | static void mt_store_field(struct hid_usage *usage, struct mt_device *td, |
347 | struct hid_input *hi) |
348 | { |
349 | struct mt_fields *f = td->fields; |
350 | |
351 | if (f->length >= HID_MAX_FIELDS) |
352 | return; |
353 | |
354 | f->usages[f->length++] = usage->hid; |
355 | } |
356 | |
357 | static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi, |
358 | struct hid_field *field, struct hid_usage *usage, |
359 | unsigned long **bit, int *max) |
360 | { |
361 | struct mt_device *td = hid_get_drvdata(hdev); |
362 | struct mt_class *cls = &td->mtclass; |
363 | int code; |
364 | struct hid_usage *prev_usage = NULL; |
365 | |
366 | /* Only map fields from TouchScreen or TouchPad collections. |
367 | * We need to ignore fields that belong to other collections |
368 | * such as Mouse that might have the same GenericDesktop usages. */ |
369 | if (field->application == HID_DG_TOUCHSCREEN) |
370 | td->mt_flags |= INPUT_MT_DIRECT; |
371 | else if (field->application != HID_DG_TOUCHPAD) |
372 | return 0; |
373 | |
374 | /* |
375 | * Model touchscreens providing buttons as touchpads. |
376 | */ |
377 | if (field->application == HID_DG_TOUCHPAD || |
378 | (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON) |
379 | td->mt_flags |= INPUT_MT_POINTER; |
380 | |
381 | /* eGalax devices provide a Digitizer.Stylus input which overrides |
382 | * the correct Digitizers.Finger X/Y ranges. |
383 | * Let's just ignore this input. */ |
384 | if (field->physical == HID_DG_STYLUS) |
385 | return -1; |
386 | |
387 | if (usage->usage_index) |
388 | prev_usage = &field->usage[usage->usage_index - 1]; |
389 | |
390 | switch (usage->hid & HID_USAGE_PAGE) { |
391 | |
392 | case HID_UP_GENDESK: |
393 | switch (usage->hid) { |
394 | case HID_GD_X: |
395 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
396 | hid_map_usage(hi, usage, bit, max, |
397 | EV_ABS, ABS_MT_TOOL_X); |
398 | set_abs(hi->input, ABS_MT_TOOL_X, field, |
399 | cls->sn_move); |
400 | } else { |
401 | hid_map_usage(hi, usage, bit, max, |
402 | EV_ABS, ABS_MT_POSITION_X); |
403 | set_abs(hi->input, ABS_MT_POSITION_X, field, |
404 | cls->sn_move); |
405 | } |
406 | |
407 | mt_store_field(usage, td, hi); |
408 | td->last_field_index = field->index; |
409 | return 1; |
410 | case HID_GD_Y: |
411 | if (prev_usage && (prev_usage->hid == usage->hid)) { |
412 | hid_map_usage(hi, usage, bit, max, |
413 | EV_ABS, ABS_MT_TOOL_Y); |
414 | set_abs(hi->input, ABS_MT_TOOL_Y, field, |
415 | cls->sn_move); |
416 | } else { |
417 | hid_map_usage(hi, usage, bit, max, |
418 | EV_ABS, ABS_MT_POSITION_Y); |
419 | set_abs(hi->input, ABS_MT_POSITION_Y, field, |
420 | cls->sn_move); |
421 | } |
422 | |
423 | mt_store_field(usage, td, hi); |
424 | td->last_field_index = field->index; |
425 | return 1; |
426 | } |
427 | return 0; |
428 | |
429 | case HID_UP_DIGITIZER: |
430 | switch (usage->hid) { |
431 | case HID_DG_INRANGE: |
432 | if (cls->quirks & MT_QUIRK_HOVERING) { |
433 | hid_map_usage(hi, usage, bit, max, |
434 | EV_ABS, ABS_MT_DISTANCE); |
435 | input_set_abs_params(hi->input, |
436 | ABS_MT_DISTANCE, 0, 1, 0, 0); |
437 | } |
438 | mt_store_field(usage, td, hi); |
439 | td->last_field_index = field->index; |
440 | return 1; |
441 | case HID_DG_CONFIDENCE: |
442 | mt_store_field(usage, td, hi); |
443 | td->last_field_index = field->index; |
444 | return 1; |
445 | case HID_DG_TIPSWITCH: |
446 | hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH); |
447 | input_set_capability(hi->input, EV_KEY, BTN_TOUCH); |
448 | mt_store_field(usage, td, hi); |
449 | td->last_field_index = field->index; |
450 | return 1; |
451 | case HID_DG_CONTACTID: |
452 | mt_store_field(usage, td, hi); |
453 | td->last_field_index = field->index; |
454 | td->touches_by_report++; |
455 | td->mt_report_id = field->report->id; |
456 | return 1; |
457 | case HID_DG_WIDTH: |
458 | hid_map_usage(hi, usage, bit, max, |
459 | EV_ABS, ABS_MT_TOUCH_MAJOR); |
460 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) |
461 | set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field, |
462 | cls->sn_width); |
463 | mt_store_field(usage, td, hi); |
464 | td->last_field_index = field->index; |
465 | return 1; |
466 | case HID_DG_HEIGHT: |
467 | hid_map_usage(hi, usage, bit, max, |
468 | EV_ABS, ABS_MT_TOUCH_MINOR); |
469 | if (!(cls->quirks & MT_QUIRK_NO_AREA)) { |
470 | set_abs(hi->input, ABS_MT_TOUCH_MINOR, field, |
471 | cls->sn_height); |
472 | input_set_abs_params(hi->input, |
473 | ABS_MT_ORIENTATION, 0, 1, 0, 0); |
474 | } |
475 | mt_store_field(usage, td, hi); |
476 | td->last_field_index = field->index; |
477 | return 1; |
478 | case HID_DG_TIPPRESSURE: |
479 | hid_map_usage(hi, usage, bit, max, |
480 | EV_ABS, ABS_MT_PRESSURE); |
481 | set_abs(hi->input, ABS_MT_PRESSURE, field, |
482 | cls->sn_pressure); |
483 | mt_store_field(usage, td, hi); |
484 | td->last_field_index = field->index; |
485 | return 1; |
486 | case HID_DG_CONTACTCOUNT: |
487 | td->cc_index = field->index; |
488 | td->cc_value_index = usage->usage_index; |
489 | td->last_field_index = field->index; |
490 | return 1; |
491 | case HID_DG_CONTACTMAX: |
492 | /* we don't set td->last_slot_field as contactcount and |
493 | * contact max are global to the report */ |
494 | td->last_field_index = field->index; |
495 | return -1; |
496 | case HID_DG_TOUCH: |
497 | /* Legacy devices use TIPSWITCH and not TOUCH. |
498 | * Let's just ignore this field. */ |
499 | return -1; |
500 | } |
501 | /* let hid-input decide for the others */ |
502 | return 0; |
503 | |
504 | case HID_UP_BUTTON: |
505 | code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE); |
506 | hid_map_usage(hi, usage, bit, max, EV_KEY, code); |
507 | input_set_capability(hi->input, EV_KEY, code); |
508 | return 1; |
509 | |
510 | case 0xff000000: |
511 | /* we do not want to map these: no input-oriented meaning */ |
512 | return -1; |
513 | } |
514 | |
515 | return 0; |
516 | } |
517 | |
518 | static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi, |
519 | struct hid_field *field, struct hid_usage *usage, |
520 | unsigned long **bit, int *max) |
521 | { |
522 | if (usage->type == EV_KEY || usage->type == EV_ABS) |
523 | set_bit(usage->type, hi->input->evbit); |
524 | |
525 | return -1; |
526 | } |
527 | |
528 | static int mt_compute_slot(struct mt_device *td, struct input_dev *input) |
529 | { |
530 | __s32 quirks = td->mtclass.quirks; |
531 | |
532 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID) |
533 | return td->curdata.contactid; |
534 | |
535 | if (quirks & MT_QUIRK_CYPRESS) |
536 | return cypress_compute_slot(td); |
537 | |
538 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER) |
539 | return td->num_received; |
540 | |
541 | if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE) |
542 | return td->curdata.contactid - 1; |
543 | |
544 | return input_mt_get_slot_by_key(input, td->curdata.contactid); |
545 | } |
546 | |
547 | /* |
548 | * this function is called when a whole contact has been processed, |
549 | * so that it can assign it to a slot and store the data there |
550 | */ |
551 | static void mt_complete_slot(struct mt_device *td, struct input_dev *input) |
552 | { |
553 | if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) && |
554 | td->num_received >= td->num_expected) |
555 | return; |
556 | |
557 | if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) { |
558 | int slotnum = mt_compute_slot(td, input); |
559 | struct mt_slot *s = &td->curdata; |
560 | struct input_mt *mt = input->mt; |
561 | |
562 | if (slotnum < 0 || slotnum >= td->maxcontacts) |
563 | return; |
564 | |
565 | if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) { |
566 | struct input_mt_slot *slot = &mt->slots[slotnum]; |
567 | if (input_mt_is_active(slot) && |
568 | input_mt_is_used(mt, slot)) |
569 | return; |
570 | } |
571 | |
572 | input_mt_slot(input, slotnum); |
573 | input_mt_report_slot_state(input, MT_TOOL_FINGER, |
574 | s->touch_state || s->inrange_state); |
575 | if (s->touch_state || s->inrange_state) { |
576 | /* this finger is in proximity of the sensor */ |
577 | int wide = (s->w > s->h); |
578 | /* divided by two to match visual scale of touch */ |
579 | int major = max(s->w, s->h) >> 1; |
580 | int minor = min(s->w, s->h) >> 1; |
581 | |
582 | input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x); |
583 | input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y); |
584 | input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx); |
585 | input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy); |
586 | input_event(input, EV_ABS, ABS_MT_DISTANCE, |
587 | !s->touch_state); |
588 | input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide); |
589 | input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p); |
590 | input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major); |
591 | input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor); |
592 | } |
593 | } |
594 | |
595 | td->num_received++; |
596 | } |
597 | |
598 | /* |
599 | * this function is called when a whole packet has been received and processed, |
600 | * so that it can decide what to send to the input layer. |
601 | */ |
602 | static void mt_sync_frame(struct mt_device *td, struct input_dev *input) |
603 | { |
604 | input_mt_sync_frame(input); |
605 | input_sync(input); |
606 | td->num_received = 0; |
607 | } |
608 | |
609 | static int mt_event(struct hid_device *hid, struct hid_field *field, |
610 | struct hid_usage *usage, __s32 value) |
611 | { |
612 | /* we will handle the hidinput part later, now remains hiddev */ |
613 | if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event) |
614 | hid->hiddev_hid_event(hid, field, usage, value); |
615 | |
616 | return 1; |
617 | } |
618 | |
619 | static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field, |
620 | struct hid_usage *usage, __s32 value) |
621 | { |
622 | struct mt_device *td = hid_get_drvdata(hid); |
623 | __s32 quirks = td->mtclass.quirks; |
624 | struct input_dev *input = field->hidinput->input; |
625 | |
626 | if (hid->claimed & HID_CLAIMED_INPUT) { |
627 | switch (usage->hid) { |
628 | case HID_DG_INRANGE: |
629 | if (quirks & MT_QUIRK_VALID_IS_INRANGE) |
630 | td->curvalid = value; |
631 | if (quirks & MT_QUIRK_HOVERING) |
632 | td->curdata.inrange_state = value; |
633 | break; |
634 | case HID_DG_TIPSWITCH: |
635 | if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
636 | td->curvalid = value; |
637 | td->curdata.touch_state = value; |
638 | break; |
639 | case HID_DG_CONFIDENCE: |
640 | if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE) |
641 | td->curvalid = value; |
642 | break; |
643 | case HID_DG_CONTACTID: |
644 | td->curdata.contactid = value; |
645 | break; |
646 | case HID_DG_TIPPRESSURE: |
647 | td->curdata.p = value; |
648 | break; |
649 | case HID_GD_X: |
650 | if (usage->code == ABS_MT_TOOL_X) |
651 | td->curdata.cx = value; |
652 | else |
653 | td->curdata.x = value; |
654 | break; |
655 | case HID_GD_Y: |
656 | if (usage->code == ABS_MT_TOOL_Y) |
657 | td->curdata.cy = value; |
658 | else |
659 | td->curdata.y = value; |
660 | break; |
661 | case HID_DG_WIDTH: |
662 | td->curdata.w = value; |
663 | break; |
664 | case HID_DG_HEIGHT: |
665 | td->curdata.h = value; |
666 | break; |
667 | case HID_DG_CONTACTCOUNT: |
668 | break; |
669 | case HID_DG_TOUCH: |
670 | /* do nothing */ |
671 | break; |
672 | |
673 | default: |
674 | if (usage->type) |
675 | input_event(input, usage->type, usage->code, |
676 | value); |
677 | return; |
678 | } |
679 | |
680 | if (usage->usage_index + 1 == field->report_count) { |
681 | /* we only take into account the last report. */ |
682 | if (usage->hid == td->last_slot_field) |
683 | mt_complete_slot(td, input); |
684 | |
685 | if (field->index == td->last_field_index |
686 | && td->num_received >= td->num_expected) |
687 | mt_sync_frame(td, field->hidinput->input); |
688 | } |
689 | |
690 | } |
691 | } |
692 | |
693 | static void mt_report(struct hid_device *hid, struct hid_report *report) |
694 | { |
695 | struct mt_device *td = hid_get_drvdata(hid); |
696 | struct hid_field *field; |
697 | unsigned count; |
698 | int r, n; |
699 | |
700 | if (report->id != td->mt_report_id) |
701 | return; |
702 | |
703 | if (!(hid->claimed & HID_CLAIMED_INPUT)) |
704 | return; |
705 | |
706 | /* |
707 | * Includes multi-packet support where subsequent |
708 | * packets are sent with zero contactcount. |
709 | */ |
710 | if (td->cc_index >= 0) { |
711 | struct hid_field *field = report->field[td->cc_index]; |
712 | int value = field->value[td->cc_value_index]; |
713 | if (value) |
714 | td->num_expected = value; |
715 | } |
716 | |
717 | for (r = 0; r < report->maxfield; r++) { |
718 | field = report->field[r]; |
719 | count = field->report_count; |
720 | |
721 | if (!(HID_MAIN_ITEM_VARIABLE & field->flags)) |
722 | continue; |
723 | |
724 | for (n = 0; n < count; n++) |
725 | mt_process_mt_event(hid, field, &field->usage[n], |
726 | field->value[n]); |
727 | } |
728 | } |
729 | |
730 | static void mt_set_input_mode(struct hid_device *hdev) |
731 | { |
732 | struct mt_device *td = hid_get_drvdata(hdev); |
733 | struct hid_report *r; |
734 | struct hid_report_enum *re; |
735 | |
736 | if (td->inputmode < 0) |
737 | return; |
738 | |
739 | re = &(hdev->report_enum[HID_FEATURE_REPORT]); |
740 | r = re->report_id_hash[td->inputmode]; |
741 | if (r) { |
742 | r->field[0]->value[td->inputmode_index] = 0x02; |
743 | usbhid_submit_report(hdev, r, USB_DIR_OUT); |
744 | } |
745 | } |
746 | |
747 | static void mt_set_maxcontacts(struct hid_device *hdev) |
748 | { |
749 | struct mt_device *td = hid_get_drvdata(hdev); |
750 | struct hid_report *r; |
751 | struct hid_report_enum *re; |
752 | int fieldmax, max; |
753 | |
754 | if (td->maxcontact_report_id < 0) |
755 | return; |
756 | |
757 | if (!td->mtclass.maxcontacts) |
758 | return; |
759 | |
760 | re = &hdev->report_enum[HID_FEATURE_REPORT]; |
761 | r = re->report_id_hash[td->maxcontact_report_id]; |
762 | if (r) { |
763 | max = td->mtclass.maxcontacts; |
764 | fieldmax = r->field[0]->logical_maximum; |
765 | max = min(fieldmax, max); |
766 | if (r->field[0]->value[0] != max) { |
767 | r->field[0]->value[0] = max; |
768 | usbhid_submit_report(hdev, r, USB_DIR_OUT); |
769 | } |
770 | } |
771 | } |
772 | |
773 | static void mt_post_parse_default_settings(struct mt_device *td) |
774 | { |
775 | __s32 quirks = td->mtclass.quirks; |
776 | |
777 | /* unknown serial device needs special quirks */ |
778 | if (td->touches_by_report == 1) { |
779 | quirks |= MT_QUIRK_ALWAYS_VALID; |
780 | quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP; |
781 | quirks &= ~MT_QUIRK_VALID_IS_INRANGE; |
782 | quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE; |
783 | quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
784 | } |
785 | |
786 | td->mtclass.quirks = quirks; |
787 | } |
788 | |
789 | static void mt_post_parse(struct mt_device *td) |
790 | { |
791 | struct mt_fields *f = td->fields; |
792 | struct mt_class *cls = &td->mtclass; |
793 | |
794 | if (td->touches_by_report > 0) { |
795 | int field_count_per_touch = f->length / td->touches_by_report; |
796 | td->last_slot_field = f->usages[field_count_per_touch - 1]; |
797 | } |
798 | |
799 | if (td->cc_index < 0) |
800 | cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE; |
801 | } |
802 | |
803 | static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi) |
804 | |
805 | { |
806 | struct mt_device *td = hid_get_drvdata(hdev); |
807 | struct mt_class *cls = &td->mtclass; |
808 | struct input_dev *input = hi->input; |
809 | |
810 | /* Only initialize slots for MT input devices */ |
811 | if (!test_bit(ABS_MT_POSITION_X, input->absbit)) |
812 | return; |
813 | |
814 | if (!td->maxcontacts) |
815 | td->maxcontacts = MT_DEFAULT_MAXCONTACT; |
816 | |
817 | mt_post_parse(td); |
818 | if (td->serial_maybe) |
819 | mt_post_parse_default_settings(td); |
820 | |
821 | if (cls->is_indirect) |
822 | td->mt_flags |= INPUT_MT_POINTER; |
823 | |
824 | if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) |
825 | td->mt_flags |= INPUT_MT_DROP_UNUSED; |
826 | |
827 | input_mt_init_slots(input, td->maxcontacts, td->mt_flags); |
828 | |
829 | td->mt_flags = 0; |
830 | } |
831 | |
832 | static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id) |
833 | { |
834 | int ret, i; |
835 | struct mt_device *td; |
836 | struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */ |
837 | |
838 | for (i = 0; mt_classes[i].name ; i++) { |
839 | if (id->driver_data == mt_classes[i].name) { |
840 | mtclass = &(mt_classes[i]); |
841 | break; |
842 | } |
843 | } |
844 | |
845 | /* This allows the driver to correctly support devices |
846 | * that emit events over several HID messages. |
847 | */ |
848 | hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC; |
849 | |
850 | td = kzalloc(sizeof(struct mt_device), GFP_KERNEL); |
851 | if (!td) { |
852 | dev_err(&hdev->dev, "cannot allocate multitouch data\n"); |
853 | return -ENOMEM; |
854 | } |
855 | td->mtclass = *mtclass; |
856 | td->inputmode = -1; |
857 | td->maxcontact_report_id = -1; |
858 | td->cc_index = -1; |
859 | hid_set_drvdata(hdev, td); |
860 | |
861 | td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL); |
862 | if (!td->fields) { |
863 | dev_err(&hdev->dev, "cannot allocate multitouch fields data\n"); |
864 | ret = -ENOMEM; |
865 | goto fail; |
866 | } |
867 | |
868 | if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID) |
869 | td->serial_maybe = true; |
870 | |
871 | ret = hid_parse(hdev); |
872 | if (ret != 0) |
873 | goto fail; |
874 | |
875 | ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT); |
876 | if (ret) |
877 | goto fail; |
878 | |
879 | ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group); |
880 | |
881 | mt_set_maxcontacts(hdev); |
882 | mt_set_input_mode(hdev); |
883 | |
884 | kfree(td->fields); |
885 | td->fields = NULL; |
886 | |
887 | return 0; |
888 | |
889 | fail: |
890 | kfree(td->fields); |
891 | kfree(td); |
892 | return ret; |
893 | } |
894 | |
895 | #ifdef CONFIG_PM |
896 | static int mt_reset_resume(struct hid_device *hdev) |
897 | { |
898 | mt_set_maxcontacts(hdev); |
899 | mt_set_input_mode(hdev); |
900 | return 0; |
901 | } |
902 | |
903 | static int mt_resume(struct hid_device *hdev) |
904 | { |
905 | struct usb_interface *intf; |
906 | struct usb_host_interface *interface; |
907 | struct usb_device *dev; |
908 | |
909 | if (hdev->bus != BUS_USB) |
910 | return 0; |
911 | |
912 | intf = to_usb_interface(hdev->dev.parent); |
913 | interface = intf->cur_altsetting; |
914 | dev = hid_to_usb_dev(hdev); |
915 | |
916 | /* Some Elan legacy devices require SET_IDLE to be set on resume. |
917 | * It should be safe to send it to other devices too. |
918 | * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */ |
919 | |
920 | usb_control_msg(dev, usb_sndctrlpipe(dev, 0), |
921 | HID_REQ_SET_IDLE, |
922 | USB_TYPE_CLASS | USB_RECIP_INTERFACE, |
923 | 0, interface->desc.bInterfaceNumber, |
924 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
925 | |
926 | return 0; |
927 | } |
928 | #endif |
929 | |
930 | static void mt_remove(struct hid_device *hdev) |
931 | { |
932 | struct mt_device *td = hid_get_drvdata(hdev); |
933 | sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group); |
934 | hid_hw_stop(hdev); |
935 | kfree(td); |
936 | hid_set_drvdata(hdev, NULL); |
937 | } |
938 | |
939 | static const struct hid_device_id mt_devices[] = { |
940 | |
941 | /* 3M panels */ |
942 | { .driver_data = MT_CLS_3M, |
943 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
944 | USB_DEVICE_ID_3M1968) }, |
945 | { .driver_data = MT_CLS_3M, |
946 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
947 | USB_DEVICE_ID_3M2256) }, |
948 | { .driver_data = MT_CLS_3M, |
949 | MT_USB_DEVICE(USB_VENDOR_ID_3M, |
950 | USB_DEVICE_ID_3M3266) }, |
951 | |
952 | /* ActionStar panels */ |
953 | { .driver_data = MT_CLS_NSMU, |
954 | MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, |
955 | USB_DEVICE_ID_ACTIONSTAR_1011) }, |
956 | |
957 | /* Atmel panels */ |
958 | { .driver_data = MT_CLS_SERIAL, |
959 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
960 | USB_DEVICE_ID_ATMEL_MULTITOUCH) }, |
961 | { .driver_data = MT_CLS_SERIAL, |
962 | MT_USB_DEVICE(USB_VENDOR_ID_ATMEL, |
963 | USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) }, |
964 | |
965 | /* Baanto multitouch devices */ |
966 | { .driver_data = MT_CLS_NSMU, |
967 | MT_USB_DEVICE(USB_VENDOR_ID_BAANTO, |
968 | USB_DEVICE_ID_BAANTO_MT_190W2) }, |
969 | /* Cando panels */ |
970 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
971 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
972 | USB_DEVICE_ID_CANDO_MULTI_TOUCH) }, |
973 | { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER, |
974 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
975 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) }, |
976 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
977 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
978 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) }, |
979 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER, |
980 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
981 | USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) }, |
982 | |
983 | /* Chunghwa Telecom touch panels */ |
984 | { .driver_data = MT_CLS_NSMU, |
985 | MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, |
986 | USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) }, |
987 | |
988 | /* CVTouch panels */ |
989 | { .driver_data = MT_CLS_NSMU, |
990 | MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, |
991 | USB_DEVICE_ID_CVTOUCH_SCREEN) }, |
992 | |
993 | /* Cypress panel */ |
994 | { .driver_data = MT_CLS_CYPRESS, |
995 | HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, |
996 | USB_DEVICE_ID_CYPRESS_TRUETOUCH) }, |
997 | |
998 | /* eGalax devices (resistive) */ |
999 | { .driver_data = MT_CLS_EGALAX, |
1000 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1001 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) }, |
1002 | { .driver_data = MT_CLS_EGALAX, |
1003 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1004 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) }, |
1005 | |
1006 | /* eGalax devices (capacitive) */ |
1007 | { .driver_data = MT_CLS_EGALAX, |
1008 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1009 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) }, |
1010 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1011 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1012 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) }, |
1013 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1014 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1015 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) }, |
1016 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1017 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1018 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
1019 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1020 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1021 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) }, |
1022 | { .driver_data = MT_CLS_EGALAX, |
1023 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1024 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) }, |
1025 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1026 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1027 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) }, |
1028 | { .driver_data = MT_CLS_EGALAX, |
1029 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1030 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) }, |
1031 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1032 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1033 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) }, |
1034 | { .driver_data = MT_CLS_EGALAX, |
1035 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1036 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) }, |
1037 | { .driver_data = MT_CLS_EGALAX, |
1038 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1039 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) }, |
1040 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1041 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1042 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) }, |
1043 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1044 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1045 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) }, |
1046 | { .driver_data = MT_CLS_EGALAX_SERIAL, |
1047 | MT_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1048 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) }, |
1049 | { .driver_data = MT_CLS_EGALAX, |
1050 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1051 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) }, |
1052 | { .driver_data = MT_CLS_EGALAX, |
1053 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1054 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) }, |
1055 | { .driver_data = MT_CLS_EGALAX, |
1056 | HID_USB_DEVICE(USB_VENDOR_ID_DWAV, |
1057 | USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) }, |
1058 | |
1059 | /* Elo TouchSystems IntelliTouch Plus panel */ |
1060 | { .driver_data = MT_CLS_DUAL_CONTACT_ID, |
1061 | MT_USB_DEVICE(USB_VENDOR_ID_ELO, |
1062 | USB_DEVICE_ID_ELO_TS2515) }, |
1063 | |
1064 | /* Flatfrog Panels */ |
1065 | { .driver_data = MT_CLS_FLATFROG, |
1066 | MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG, |
1067 | USB_DEVICE_ID_MULTITOUCH_3200) }, |
1068 | |
1069 | /* GeneralTouch panel */ |
1070 | { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS, |
1071 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
1072 | USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) }, |
1073 | { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS, |
1074 | MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, |
1075 | USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) }, |
1076 | |
1077 | /* Gametel game controller */ |
1078 | { .driver_data = MT_CLS_NSMU, |
1079 | MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL, |
1080 | USB_DEVICE_ID_GAMETEL_MT_MODE) }, |
1081 | |
1082 | /* GoodTouch panels */ |
1083 | { .driver_data = MT_CLS_NSMU, |
1084 | MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, |
1085 | USB_DEVICE_ID_GOODTOUCH_000f) }, |
1086 | |
1087 | /* Hanvon panels */ |
1088 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
1089 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, |
1090 | USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) }, |
1091 | |
1092 | /* Ideacom panel */ |
1093 | { .driver_data = MT_CLS_SERIAL, |
1094 | MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM, |
1095 | USB_DEVICE_ID_IDEACOM_IDC6650) }, |
1096 | { .driver_data = MT_CLS_SERIAL, |
1097 | MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM, |
1098 | USB_DEVICE_ID_IDEACOM_IDC6651) }, |
1099 | |
1100 | /* Ilitek dual touch panel */ |
1101 | { .driver_data = MT_CLS_NSMU, |
1102 | MT_USB_DEVICE(USB_VENDOR_ID_ILITEK, |
1103 | USB_DEVICE_ID_ILITEK_MULTITOUCH) }, |
1104 | |
1105 | /* IRTOUCH panels */ |
1106 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
1107 | MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, |
1108 | USB_DEVICE_ID_IRTOUCH_INFRARED_USB) }, |
1109 | |
1110 | /* LG Display panels */ |
1111 | { .driver_data = MT_CLS_DEFAULT, |
1112 | MT_USB_DEVICE(USB_VENDOR_ID_LG, |
1113 | USB_DEVICE_ID_LG_MULTITOUCH) }, |
1114 | |
1115 | /* Lumio panels */ |
1116 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
1117 | MT_USB_DEVICE(USB_VENDOR_ID_LUMIO, |
1118 | USB_DEVICE_ID_CRYSTALTOUCH) }, |
1119 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
1120 | MT_USB_DEVICE(USB_VENDOR_ID_LUMIO, |
1121 | USB_DEVICE_ID_CRYSTALTOUCH_DUAL) }, |
1122 | |
1123 | /* MosArt panels */ |
1124 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
1125 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
1126 | USB_DEVICE_ID_ASUS_T91MT)}, |
1127 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
1128 | MT_USB_DEVICE(USB_VENDOR_ID_ASUS, |
1129 | USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) }, |
1130 | { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE, |
1131 | MT_USB_DEVICE(USB_VENDOR_ID_TURBOX, |
1132 | USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) }, |
1133 | |
1134 | /* Nexio panels */ |
1135 | { .driver_data = MT_CLS_DEFAULT, |
1136 | MT_USB_DEVICE(USB_VENDOR_ID_NEXIO, |
1137 | USB_DEVICE_ID_NEXIO_MULTITOUCH_420)}, |
1138 | |
1139 | /* Panasonic panels */ |
1140 | { .driver_data = MT_CLS_PANASONIC, |
1141 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
1142 | USB_DEVICE_ID_PANABOARD_UBT780) }, |
1143 | { .driver_data = MT_CLS_PANASONIC, |
1144 | MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC, |
1145 | USB_DEVICE_ID_PANABOARD_UBT880) }, |
1146 | |
1147 | /* Novatek Panel */ |
1148 | { .driver_data = MT_CLS_NSMU, |
1149 | MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK, |
1150 | USB_DEVICE_ID_NOVATEK_PCT) }, |
1151 | |
1152 | /* PenMount panels */ |
1153 | { .driver_data = MT_CLS_CONFIDENCE, |
1154 | MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, |
1155 | USB_DEVICE_ID_PENMOUNT_PCI) }, |
1156 | |
1157 | /* PixArt optical touch screen */ |
1158 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, |
1159 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
1160 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) }, |
1161 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, |
1162 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
1163 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) }, |
1164 | { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER, |
1165 | MT_USB_DEVICE(USB_VENDOR_ID_PIXART, |
1166 | USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) }, |
1167 | |
1168 | /* PixCir-based panels */ |
1169 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
1170 | MT_USB_DEVICE(USB_VENDOR_ID_HANVON, |
1171 | USB_DEVICE_ID_HANVON_MULTITOUCH) }, |
1172 | { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID, |
1173 | MT_USB_DEVICE(USB_VENDOR_ID_CANDO, |
1174 | USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) }, |
1175 | |
1176 | /* Quanta-based panels */ |
1177 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
1178 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
1179 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) }, |
1180 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
1181 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
1182 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) }, |
1183 | { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID, |
1184 | MT_USB_DEVICE(USB_VENDOR_ID_QUANTA, |
1185 | USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) }, |
1186 | |
1187 | /* Stantum panels */ |
1188 | { .driver_data = MT_CLS_CONFIDENCE, |
1189 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM, |
1190 | USB_DEVICE_ID_MTP)}, |
1191 | { .driver_data = MT_CLS_CONFIDENCE, |
1192 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, |
1193 | USB_DEVICE_ID_MTP_STM)}, |
1194 | { .driver_data = MT_CLS_DEFAULT, |
1195 | MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, |
1196 | USB_DEVICE_ID_MTP_SITRONIX)}, |
1197 | |
1198 | /* TopSeed panels */ |
1199 | { .driver_data = MT_CLS_TOPSEED, |
1200 | MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, |
1201 | USB_DEVICE_ID_TOPSEED2_PERIPAD_701) }, |
1202 | |
1203 | /* Touch International panels */ |
1204 | { .driver_data = MT_CLS_NSMU, |
1205 | MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, |
1206 | USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) }, |
1207 | |
1208 | /* Unitec panels */ |
1209 | { .driver_data = MT_CLS_NSMU, |
1210 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
1211 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) }, |
1212 | { .driver_data = MT_CLS_NSMU, |
1213 | MT_USB_DEVICE(USB_VENDOR_ID_UNITEC, |
1214 | USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) }, |
1215 | /* XAT */ |
1216 | { .driver_data = MT_CLS_NSMU, |
1217 | MT_USB_DEVICE(USB_VENDOR_ID_XAT, |
1218 | USB_DEVICE_ID_XAT_CSR) }, |
1219 | |
1220 | /* Xiroku */ |
1221 | { .driver_data = MT_CLS_NSMU, |
1222 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1223 | USB_DEVICE_ID_XIROKU_SPX) }, |
1224 | { .driver_data = MT_CLS_NSMU, |
1225 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1226 | USB_DEVICE_ID_XIROKU_MPX) }, |
1227 | { .driver_data = MT_CLS_NSMU, |
1228 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1229 | USB_DEVICE_ID_XIROKU_CSR) }, |
1230 | { .driver_data = MT_CLS_NSMU, |
1231 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1232 | USB_DEVICE_ID_XIROKU_SPX1) }, |
1233 | { .driver_data = MT_CLS_NSMU, |
1234 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1235 | USB_DEVICE_ID_XIROKU_MPX1) }, |
1236 | { .driver_data = MT_CLS_NSMU, |
1237 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1238 | USB_DEVICE_ID_XIROKU_CSR1) }, |
1239 | { .driver_data = MT_CLS_NSMU, |
1240 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1241 | USB_DEVICE_ID_XIROKU_SPX2) }, |
1242 | { .driver_data = MT_CLS_NSMU, |
1243 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1244 | USB_DEVICE_ID_XIROKU_MPX2) }, |
1245 | { .driver_data = MT_CLS_NSMU, |
1246 | MT_USB_DEVICE(USB_VENDOR_ID_XIROKU, |
1247 | USB_DEVICE_ID_XIROKU_CSR2) }, |
1248 | |
1249 | /* Zytronic panels */ |
1250 | { .driver_data = MT_CLS_SERIAL, |
1251 | MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC, |
1252 | USB_DEVICE_ID_ZYTRONIC_ZXY100) }, |
1253 | |
1254 | /* Generic MT device */ |
1255 | { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) }, |
1256 | { } |
1257 | }; |
1258 | MODULE_DEVICE_TABLE(hid, mt_devices); |
1259 | |
1260 | static const struct hid_usage_id mt_grabbed_usages[] = { |
1261 | { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID }, |
1262 | { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1} |
1263 | }; |
1264 | |
1265 | static struct hid_driver mt_driver = { |
1266 | .name = "hid-multitouch", |
1267 | .id_table = mt_devices, |
1268 | .probe = mt_probe, |
1269 | .remove = mt_remove, |
1270 | .input_mapping = mt_input_mapping, |
1271 | .input_mapped = mt_input_mapped, |
1272 | .input_configured = mt_input_configured, |
1273 | .feature_mapping = mt_feature_mapping, |
1274 | .usage_table = mt_grabbed_usages, |
1275 | .event = mt_event, |
1276 | .report = mt_report, |
1277 | #ifdef CONFIG_PM |
1278 | .reset_resume = mt_reset_resume, |
1279 | .resume = mt_resume, |
1280 | #endif |
1281 | }; |
1282 | module_hid_driver(mt_driver); |
1283 |
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