?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
tuntap: switch to use rtnl_dereference()
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / hid / hid-multitouch.c
blob61543c02ea0baf42c58fbfa5518dba229cb22901
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
58 struct mt_slot {
59 __s32 x, y, cx, cy, p, w, h;
60 __s32 contactid; /* the device ContactID assigned to this slot */
61 bool touch_state; /* is the touch valid? */
62 bool inrange_state; /* is the finger in proximity of the sensor? */
63 };
64
65 struct mt_class {
66 __s32 name; /* MT_CLS */
67 __s32 quirks;
68 __s32 sn_move; /* Signal/noise ratio for move events */
69 __s32 sn_width; /* Signal/noise ratio for width events */
70 __s32 sn_height; /* Signal/noise ratio for height events */
71 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
72 __u8 maxcontacts;
73 bool is_indirect; /* true for touchpads */
74 };
75
76 struct mt_fields {
77 unsigned usages[HID_MAX_FIELDS];
78 unsigned int length;
79 };
80
81 struct mt_device {
82 struct mt_slot curdata; /* placeholder of incoming data */
83 struct mt_class mtclass; /* our mt device class */
84 struct mt_fields *fields; /* temporary placeholder for storing the
85 multitouch fields */
86 unsigned last_field_index; /* last field index of the report */
87 unsigned last_slot_field; /* the last field of a slot */
88 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
89 __s8 inputmode_index; /* InputMode HID feature index in the report */
90 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
91 -1 if non-existent */
92 __u8 num_received; /* how many contacts we received */
93 __u8 num_expected; /* expected last contact index */
94 __u8 maxcontacts;
95 __u8 touches_by_report; /* how many touches are present in one report:
96 * 1 means we should use a serial protocol
97 * > 1 means hybrid (multitouch) protocol */
98 bool serial_maybe; /* need to check for serial protocol */
99 bool curvalid; /* is the current contact valid? */
100 unsigned mt_flags; /* flags to pass to input-mt */
101 };
102
103 /* classes of device behavior */
104 #define MT_CLS_DEFAULT 0x0001
105
106 #define MT_CLS_SERIAL 0x0002
107 #define MT_CLS_CONFIDENCE 0x0003
108 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
109 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
110 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
111 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
112 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
113 #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
114
115 /* vendor specific classes */
116 #define MT_CLS_3M 0x0101
117 #define MT_CLS_CYPRESS 0x0102
118 #define MT_CLS_EGALAX 0x0103
119 #define MT_CLS_EGALAX_SERIAL 0x0104
120 #define MT_CLS_TOPSEED 0x0105
121 #define MT_CLS_PANASONIC 0x0106
122 #define MT_CLS_FLATFROG 0x0107
123 #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
124 #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
125
126 #define MT_DEFAULT_MAXCONTACT 10
127 #define MT_MAX_MAXCONTACT 250
128
129 #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
130 #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
131
132 /*
133 * these device-dependent functions determine what slot corresponds
134 * to a valid contact that was just read.
135 */
136
137 static int cypress_compute_slot(struct mt_device *td)
138 {
139 if (td->curdata.contactid != 0 || td->num_received == 0)
140 return td->curdata.contactid;
141 else
142 return -1;
143 }
144
145 static struct mt_class mt_classes[] = {
146 { .name = MT_CLS_DEFAULT,
147 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
148 { .name = MT_CLS_SERIAL,
149 .quirks = MT_QUIRK_ALWAYS_VALID},
150 { .name = MT_CLS_CONFIDENCE,
151 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
152 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
153 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
154 MT_QUIRK_SLOT_IS_CONTACTID },
155 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
156 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
157 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
158 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
159 .quirks = MT_QUIRK_VALID_IS_INRANGE |
160 MT_QUIRK_SLOT_IS_CONTACTID,
161 .maxcontacts = 2 },
162 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
163 .quirks = MT_QUIRK_VALID_IS_INRANGE |
164 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
165 .maxcontacts = 2 },
166 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
167 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
168 MT_QUIRK_SLOT_IS_CONTACTID,
169 .maxcontacts = 2 },
170 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
171 .quirks = MT_QUIRK_VALID_IS_INRANGE |
172 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
173
174 /*
175 * vendor specific classes
176 */
177 { .name = MT_CLS_3M,
178 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
179 MT_QUIRK_SLOT_IS_CONTACTID,
180 .sn_move = 2048,
181 .sn_width = 128,
182 .sn_height = 128,
183 .maxcontacts = 60,
184 },
185 { .name = MT_CLS_CYPRESS,
186 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
187 MT_QUIRK_CYPRESS,
188 .maxcontacts = 10 },
189 { .name = MT_CLS_EGALAX,
190 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
191 MT_QUIRK_VALID_IS_INRANGE,
192 .sn_move = 4096,
193 .sn_pressure = 32,
194 },
195 { .name = MT_CLS_EGALAX_SERIAL,
196 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
197 MT_QUIRK_ALWAYS_VALID,
198 .sn_move = 4096,
199 .sn_pressure = 32,
200 },
201 { .name = MT_CLS_TOPSEED,
202 .quirks = MT_QUIRK_ALWAYS_VALID,
203 .is_indirect = true,
204 .maxcontacts = 2,
205 },
206 { .name = MT_CLS_PANASONIC,
207 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
208 .maxcontacts = 4 },
209 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
210 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
211 MT_QUIRK_VALID_IS_INRANGE |
212 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
213 .maxcontacts = 2
214 },
215 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
216 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
217 MT_QUIRK_SLOT_IS_CONTACTNUMBER
218 },
219
220 { .name = MT_CLS_FLATFROG,
221 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
222 MT_QUIRK_NO_AREA,
223 .sn_move = 2048,
224 .maxcontacts = 40,
225 },
226 { }
227 };
228
229 static ssize_t mt_show_quirks(struct device *dev,
230 struct device_attribute *attr,
231 char *buf)
232 {
233 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
234 struct mt_device *td = hid_get_drvdata(hdev);
235
236 return sprintf(buf, "%u\n", td->mtclass.quirks);
237 }
238
239 static ssize_t mt_set_quirks(struct device *dev,
240 struct device_attribute *attr,
241 const char *buf, size_t count)
242 {
243 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
244 struct mt_device *td = hid_get_drvdata(hdev);
245
246 unsigned long val;
247
248 if (kstrtoul(buf, 0, &val))
249 return -EINVAL;
250
251 td->mtclass.quirks = val;
252
253 return count;
254 }
255
256 static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
257
258 static struct attribute *sysfs_attrs[] = {
259 &dev_attr_quirks.attr,
260 NULL
261 };
262
263 static struct attribute_group mt_attribute_group = {
264 .attrs = sysfs_attrs
265 };
266
267 static void mt_feature_mapping(struct hid_device *hdev,
268 struct hid_field *field, struct hid_usage *usage)
269 {
270 struct mt_device *td = hid_get_drvdata(hdev);
271 int i;
272
273 switch (usage->hid) {
274 case HID_DG_INPUTMODE:
275 td->inputmode = field->report->id;
276 td->inputmode_index = 0; /* has to be updated below */
277
278 for (i=0; i < field->maxusage; i++) {
279 if (field->usage[i].hid == usage->hid) {
280 td->inputmode_index = i;
281 break;
282 }
283 }
284
285 break;
286 case HID_DG_CONTACTMAX:
287 td->maxcontact_report_id = field->report->id;
288 td->maxcontacts = field->value[0];
289 if (!td->maxcontacts &&
290 field->logical_maximum <= MT_MAX_MAXCONTACT)
291 td->maxcontacts = field->logical_maximum;
292 if (td->mtclass.maxcontacts)
293 /* check if the maxcontacts is given by the class */
294 td->maxcontacts = td->mtclass.maxcontacts;
295
296 break;
297 case 0xff0000c5:
298 if (field->report_count == 256 && field->report_size == 8) {
299 /* Win 8 devices need special quirks */
300 __s32 *quirks = &td->mtclass.quirks;
301 *quirks |= MT_QUIRK_ALWAYS_VALID;
302 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
303 *quirks |= MT_QUIRK_HOVERING;
304 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
305 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
306 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
307 }
308 break;
309 }
310 }
311
312 static void set_abs(struct input_dev *input, unsigned int code,
313 struct hid_field *field, int snratio)
314 {
315 int fmin = field->logical_minimum;
316 int fmax = field->logical_maximum;
317 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
318 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
319 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
320 }
321
322 static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
323 struct hid_input *hi)
324 {
325 struct mt_fields *f = td->fields;
326
327 if (f->length >= HID_MAX_FIELDS)
328 return;
329
330 f->usages[f->length++] = usage->hid;
331 }
332
333 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
334 struct hid_field *field, struct hid_usage *usage,
335 unsigned long **bit, int *max)
336 {
337 struct mt_device *td = hid_get_drvdata(hdev);
338 struct mt_class *cls = &td->mtclass;
339 int code;
340 struct hid_usage *prev_usage = NULL;
341
342 /* Only map fields from TouchScreen or TouchPad collections.
343 * We need to ignore fields that belong to other collections
344 * such as Mouse that might have the same GenericDesktop usages. */
345 if (field->application == HID_DG_TOUCHSCREEN)
346 td->mt_flags |= INPUT_MT_DIRECT;
347 else if (field->application != HID_DG_TOUCHPAD)
348 return 0;
349
350 /*
351 * Model touchscreens providing buttons as touchpads.
352 */
353 if (field->application == HID_DG_TOUCHPAD ||
354 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
355 td->mt_flags |= INPUT_MT_POINTER;
356
357 /* eGalax devices provide a Digitizer.Stylus input which overrides
358 * the correct Digitizers.Finger X/Y ranges.
359 * Let's just ignore this input. */
360 if (field->physical == HID_DG_STYLUS)
361 return -1;
362
363 if (usage->usage_index)
364 prev_usage = &field->usage[usage->usage_index - 1];
365
366 switch (usage->hid & HID_USAGE_PAGE) {
367
368 case HID_UP_GENDESK:
369 switch (usage->hid) {
370 case HID_GD_X:
371 if (prev_usage && (prev_usage->hid == usage->hid)) {
372 hid_map_usage(hi, usage, bit, max,
373 EV_ABS, ABS_MT_TOOL_X);
374 set_abs(hi->input, ABS_MT_TOOL_X, field,
375 cls->sn_move);
376 } else {
377 hid_map_usage(hi, usage, bit, max,
378 EV_ABS, ABS_MT_POSITION_X);
379 set_abs(hi->input, ABS_MT_POSITION_X, field,
380 cls->sn_move);
381 }
382
383 mt_store_field(usage, td, hi);
384 td->last_field_index = field->index;
385 return 1;
386 case HID_GD_Y:
387 if (prev_usage && (prev_usage->hid == usage->hid)) {
388 hid_map_usage(hi, usage, bit, max,
389 EV_ABS, ABS_MT_TOOL_Y);
390 set_abs(hi->input, ABS_MT_TOOL_Y, field,
391 cls->sn_move);
392 } else {
393 hid_map_usage(hi, usage, bit, max,
394 EV_ABS, ABS_MT_POSITION_Y);
395 set_abs(hi->input, ABS_MT_POSITION_Y, field,
396 cls->sn_move);
397 }
398
399 mt_store_field(usage, td, hi);
400 td->last_field_index = field->index;
401 return 1;
402 }
403 return 0;
404
405 case HID_UP_DIGITIZER:
406 switch (usage->hid) {
407 case HID_DG_INRANGE:
408 if (cls->quirks & MT_QUIRK_HOVERING) {
409 hid_map_usage(hi, usage, bit, max,
410 EV_ABS, ABS_MT_DISTANCE);
411 input_set_abs_params(hi->input,
412 ABS_MT_DISTANCE, 0, 1, 0, 0);
413 }
414 mt_store_field(usage, td, hi);
415 td->last_field_index = field->index;
416 return 1;
417 case HID_DG_CONFIDENCE:
418 mt_store_field(usage, td, hi);
419 td->last_field_index = field->index;
420 return 1;
421 case HID_DG_TIPSWITCH:
422 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
423 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
424 mt_store_field(usage, td, hi);
425 td->last_field_index = field->index;
426 return 1;
427 case HID_DG_CONTACTID:
428 mt_store_field(usage, td, hi);
429 td->last_field_index = field->index;
430 td->touches_by_report++;
431 return 1;
432 case HID_DG_WIDTH:
433 hid_map_usage(hi, usage, bit, max,
434 EV_ABS, ABS_MT_TOUCH_MAJOR);
435 if (!(cls->quirks & MT_QUIRK_NO_AREA))
436 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
437 cls->sn_width);
438 mt_store_field(usage, td, hi);
439 td->last_field_index = field->index;
440 return 1;
441 case HID_DG_HEIGHT:
442 hid_map_usage(hi, usage, bit, max,
443 EV_ABS, ABS_MT_TOUCH_MINOR);
444 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
445 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
446 cls->sn_height);
447 input_set_abs_params(hi->input,
448 ABS_MT_ORIENTATION, 0, 1, 0, 0);
449 }
450 mt_store_field(usage, td, hi);
451 td->last_field_index = field->index;
452 return 1;
453 case HID_DG_TIPPRESSURE:
454 hid_map_usage(hi, usage, bit, max,
455 EV_ABS, ABS_MT_PRESSURE);
456 set_abs(hi->input, ABS_MT_PRESSURE, field,
457 cls->sn_pressure);
458 mt_store_field(usage, td, hi);
459 td->last_field_index = field->index;
460 return 1;
461 case HID_DG_CONTACTCOUNT:
462 td->last_field_index = field->index;
463 return 1;
464 case HID_DG_CONTACTMAX:
465 /* we don't set td->last_slot_field as contactcount and
466 * contact max are global to the report */
467 td->last_field_index = field->index;
468 return -1;
469 case HID_DG_TOUCH:
470 /* Legacy devices use TIPSWITCH and not TOUCH.
471 * Let's just ignore this field. */
472 return -1;
473 }
474 /* let hid-input decide for the others */
475 return 0;
476
477 case HID_UP_BUTTON:
478 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
479 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
480 input_set_capability(hi->input, EV_KEY, code);
481 return 1;
482
483 case 0xff000000:
484 /* we do not want to map these: no input-oriented meaning */
485 return -1;
486 }
487
488 return 0;
489 }
490
491 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
492 struct hid_field *field, struct hid_usage *usage,
493 unsigned long **bit, int *max)
494 {
495 if (usage->type == EV_KEY || usage->type == EV_ABS)
496 set_bit(usage->type, hi->input->evbit);
497
498 return -1;
499 }
500
501 static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
502 {
503 __s32 quirks = td->mtclass.quirks;
504
505 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
506 return td->curdata.contactid;
507
508 if (quirks & MT_QUIRK_CYPRESS)
509 return cypress_compute_slot(td);
510
511 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
512 return td->num_received;
513
514 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
515 return td->curdata.contactid - 1;
516
517 return input_mt_get_slot_by_key(input, td->curdata.contactid);
518 }
519
520 /*
521 * this function is called when a whole contact has been processed,
522 * so that it can assign it to a slot and store the data there
523 */
524 static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
525 {
526 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
527 int slotnum = mt_compute_slot(td, input);
528 struct mt_slot *s = &td->curdata;
529 struct input_mt *mt = input->mt;
530
531 if (slotnum < 0 || slotnum >= td->maxcontacts)
532 return;
533
534 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
535 struct input_mt_slot *slot = &mt->slots[slotnum];
536 if (input_mt_is_active(slot) &&
537 input_mt_is_used(mt, slot))
538 return;
539 }
540
541 input_mt_slot(input, slotnum);
542 input_mt_report_slot_state(input, MT_TOOL_FINGER,
543 s->touch_state || s->inrange_state);
544 if (s->touch_state || s->inrange_state) {
545 /* this finger is in proximity of the sensor */
546 int wide = (s->w > s->h);
547 /* divided by two to match visual scale of touch */
548 int major = max(s->w, s->h) >> 1;
549 int minor = min(s->w, s->h) >> 1;
550
551 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
552 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
553 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
554 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
555 input_event(input, EV_ABS, ABS_MT_DISTANCE,
556 !s->touch_state);
557 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
558 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
559 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
560 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
561 }
562 }
563
564 td->num_received++;
565 }
566
567 /*
568 * this function is called when a whole packet has been received and processed,
569 * so that it can decide what to send to the input layer.
570 */
571 static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
572 {
573 input_mt_sync_frame(input);
574 input_sync(input);
575 td->num_received = 0;
576 }
577
578 static int mt_event(struct hid_device *hid, struct hid_field *field,
579 struct hid_usage *usage, __s32 value)
580 {
581 struct mt_device *td = hid_get_drvdata(hid);
582 __s32 quirks = td->mtclass.quirks;
583
584 if (hid->claimed & HID_CLAIMED_INPUT) {
585 switch (usage->hid) {
586 case HID_DG_INRANGE:
587 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
588 td->curvalid = value;
589 if (quirks & MT_QUIRK_HOVERING)
590 td->curdata.inrange_state = value;
591 break;
592 case HID_DG_TIPSWITCH:
593 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
594 td->curvalid = value;
595 td->curdata.touch_state = value;
596 break;
597 case HID_DG_CONFIDENCE:
598 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
599 td->curvalid = value;
600 break;
601 case HID_DG_CONTACTID:
602 td->curdata.contactid = value;
603 break;
604 case HID_DG_TIPPRESSURE:
605 td->curdata.p = value;
606 break;
607 case HID_GD_X:
608 if (usage->code == ABS_MT_TOOL_X)
609 td->curdata.cx = value;
610 else
611 td->curdata.x = value;
612 break;
613 case HID_GD_Y:
614 if (usage->code == ABS_MT_TOOL_Y)
615 td->curdata.cy = value;
616 else
617 td->curdata.y = value;
618 break;
619 case HID_DG_WIDTH:
620 td->curdata.w = value;
621 break;
622 case HID_DG_HEIGHT:
623 td->curdata.h = value;
624 break;
625 case HID_DG_CONTACTCOUNT:
626 /*
627 * Includes multi-packet support where subsequent
628 * packets are sent with zero contactcount.
629 */
630 if (value)
631 td->num_expected = value;
632 break;
633 case HID_DG_TOUCH:
634 /* do nothing */
635 break;
636
637 default:
638 /* fallback to the generic hidinput handling */
639 return 0;
640 }
641
642 if (usage->usage_index + 1 == field->report_count) {
643 /* we only take into account the last report. */
644 if (usage->hid == td->last_slot_field)
645 mt_complete_slot(td, field->hidinput->input);
646
647 if (field->index == td->last_field_index
648 && td->num_received >= td->num_expected)
649 mt_sync_frame(td, field->hidinput->input);
650 }
651
652 }
653
654 /* we have handled the hidinput part, now remains hiddev */
655 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
656 hid->hiddev_hid_event(hid, field, usage, value);
657
658 return 1;
659 }
660
661 static void mt_set_input_mode(struct hid_device *hdev)
662 {
663 struct mt_device *td = hid_get_drvdata(hdev);
664 struct hid_report *r;
665 struct hid_report_enum *re;
666
667 if (td->inputmode < 0)
668 return;
669
670 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
671 r = re->report_id_hash[td->inputmode];
672 if (r) {
673 r->field[0]->value[td->inputmode_index] = 0x02;
674 usbhid_submit_report(hdev, r, USB_DIR_OUT);
675 }
676 }
677
678 static void mt_set_maxcontacts(struct hid_device *hdev)
679 {
680 struct mt_device *td = hid_get_drvdata(hdev);
681 struct hid_report *r;
682 struct hid_report_enum *re;
683 int fieldmax, max;
684
685 if (td->maxcontact_report_id < 0)
686 return;
687
688 if (!td->mtclass.maxcontacts)
689 return;
690
691 re = &hdev->report_enum[HID_FEATURE_REPORT];
692 r = re->report_id_hash[td->maxcontact_report_id];
693 if (r) {
694 max = td->mtclass.maxcontacts;
695 fieldmax = r->field[0]->logical_maximum;
696 max = min(fieldmax, max);
697 if (r->field[0]->value[0] != max) {
698 r->field[0]->value[0] = max;
699 usbhid_submit_report(hdev, r, USB_DIR_OUT);
700 }
701 }
702 }
703
704 static void mt_post_parse_default_settings(struct mt_device *td)
705 {
706 __s32 quirks = td->mtclass.quirks;
707
708 /* unknown serial device needs special quirks */
709 if (td->touches_by_report == 1) {
710 quirks |= MT_QUIRK_ALWAYS_VALID;
711 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
712 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
713 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
714 }
715
716 td->mtclass.quirks = quirks;
717 }
718
719 static void mt_post_parse(struct mt_device *td)
720 {
721 struct mt_fields *f = td->fields;
722
723 if (td->touches_by_report > 0) {
724 int field_count_per_touch = f->length / td->touches_by_report;
725 td->last_slot_field = f->usages[field_count_per_touch - 1];
726 }
727 }
728
729 static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
730
731 {
732 struct mt_device *td = hid_get_drvdata(hdev);
733 struct mt_class *cls = &td->mtclass;
734 struct input_dev *input = hi->input;
735
736 /* Only initialize slots for MT input devices */
737 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
738 return;
739
740 if (!td->maxcontacts)
741 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
742
743 mt_post_parse(td);
744 if (td->serial_maybe)
745 mt_post_parse_default_settings(td);
746
747 if (cls->is_indirect)
748 td->mt_flags |= INPUT_MT_POINTER;
749
750 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
751 td->mt_flags |= INPUT_MT_DROP_UNUSED;
752
753 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
754
755 td->mt_flags = 0;
756 }
757
758 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
759 {
760 int ret, i;
761 struct mt_device *td;
762 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
763
764 for (i = 0; mt_classes[i].name ; i++) {
765 if (id->driver_data == mt_classes[i].name) {
766 mtclass = &(mt_classes[i]);
767 break;
768 }
769 }
770
771 /* This allows the driver to correctly support devices
772 * that emit events over several HID messages.
773 */
774 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
775
776 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
777 if (!td) {
778 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
779 return -ENOMEM;
780 }
781 td->mtclass = *mtclass;
782 td->inputmode = -1;
783 td->maxcontact_report_id = -1;
784 hid_set_drvdata(hdev, td);
785
786 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
787 if (!td->fields) {
788 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
789 ret = -ENOMEM;
790 goto fail;
791 }
792
793 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
794 td->serial_maybe = true;
795
796 ret = hid_parse(hdev);
797 if (ret != 0)
798 goto fail;
799
800 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
801 if (ret)
802 goto fail;
803
804 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
805
806 mt_set_maxcontacts(hdev);
807 mt_set_input_mode(hdev);
808
809 kfree(td->fields);
810 td->fields = NULL;
811
812 return 0;
813
814 fail:
815 kfree(td->fields);
816 kfree(td);
817 return ret;
818 }
819
820 #ifdef CONFIG_PM
821 static int mt_reset_resume(struct hid_device *hdev)
822 {
823 mt_set_maxcontacts(hdev);
824 mt_set_input_mode(hdev);
825 return 0;
826 }
827
828 static int mt_resume(struct hid_device *hdev)
829 {
830 struct usb_interface *intf;
831 struct usb_host_interface *interface;
832 struct usb_device *dev;
833
834 if (hdev->bus != BUS_USB)
835 return 0;
836
837 intf = to_usb_interface(hdev->dev.parent);
838 interface = intf->cur_altsetting;
839 dev = hid_to_usb_dev(hdev);
840
841 /* Some Elan legacy devices require SET_IDLE to be set on resume.
842 * It should be safe to send it to other devices too.
843 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
844
845 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
846 HID_REQ_SET_IDLE,
847 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
848 0, interface->desc.bInterfaceNumber,
849 NULL, 0, USB_CTRL_SET_TIMEOUT);
850
851 return 0;
852 }
853 #endif
854
855 static void mt_remove(struct hid_device *hdev)
856 {
857 struct mt_device *td = hid_get_drvdata(hdev);
858 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
859 hid_hw_stop(hdev);
860 kfree(td);
861 hid_set_drvdata(hdev, NULL);
862 }
863
864 static const struct hid_device_id mt_devices[] = {
865
866 /* 3M panels */
867 { .driver_data = MT_CLS_3M,
868 MT_USB_DEVICE(USB_VENDOR_ID_3M,
869 USB_DEVICE_ID_3M1968) },
870 { .driver_data = MT_CLS_3M,
871 MT_USB_DEVICE(USB_VENDOR_ID_3M,
872 USB_DEVICE_ID_3M2256) },
873 { .driver_data = MT_CLS_3M,
874 MT_USB_DEVICE(USB_VENDOR_ID_3M,
875 USB_DEVICE_ID_3M3266) },
876
877 /* ActionStar panels */
878 { .driver_data = MT_CLS_DEFAULT,
879 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
880 USB_DEVICE_ID_ACTIONSTAR_1011) },
881
882 /* Atmel panels */
883 { .driver_data = MT_CLS_SERIAL,
884 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
885 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
886 { .driver_data = MT_CLS_SERIAL,
887 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
888 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
889
890 /* Baanto multitouch devices */
891 { .driver_data = MT_CLS_DEFAULT,
892 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
893 USB_DEVICE_ID_BAANTO_MT_190W2) },
894 /* Cando panels */
895 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
896 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
897 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
898 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
899 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
900 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
901 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
902 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
903 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
904 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
905 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
906 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
907
908 /* Chunghwa Telecom touch panels */
909 { .driver_data = MT_CLS_DEFAULT,
910 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
911 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
912
913 /* CVTouch panels */
914 { .driver_data = MT_CLS_DEFAULT,
915 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
916 USB_DEVICE_ID_CVTOUCH_SCREEN) },
917
918 /* Cypress panel */
919 { .driver_data = MT_CLS_CYPRESS,
920 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
921 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
922
923 /* eGalax devices (resistive) */
924 { .driver_data = MT_CLS_EGALAX,
925 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
926 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
927 { .driver_data = MT_CLS_EGALAX,
928 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
929 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
930
931 /* eGalax devices (capacitive) */
932 { .driver_data = MT_CLS_EGALAX,
933 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
934 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
935 { .driver_data = MT_CLS_EGALAX_SERIAL,
936 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
937 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
938 { .driver_data = MT_CLS_EGALAX_SERIAL,
939 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
940 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
941 { .driver_data = MT_CLS_EGALAX_SERIAL,
942 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
943 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
944 { .driver_data = MT_CLS_EGALAX_SERIAL,
945 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
946 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
947 { .driver_data = MT_CLS_EGALAX,
948 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
949 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
950 { .driver_data = MT_CLS_EGALAX_SERIAL,
951 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
952 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
953 { .driver_data = MT_CLS_EGALAX,
954 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
955 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
956 { .driver_data = MT_CLS_EGALAX_SERIAL,
957 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
958 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
959 { .driver_data = MT_CLS_EGALAX,
960 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
961 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
962 { .driver_data = MT_CLS_EGALAX,
963 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
964 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
965 { .driver_data = MT_CLS_EGALAX_SERIAL,
966 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
967 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
968 { .driver_data = MT_CLS_EGALAX_SERIAL,
969 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
970 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
971 { .driver_data = MT_CLS_EGALAX_SERIAL,
972 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
973 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
974 { .driver_data = MT_CLS_EGALAX,
975 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
976 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
977 { .driver_data = MT_CLS_EGALAX,
978 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
979 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
980 { .driver_data = MT_CLS_EGALAX,
981 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
982 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
983
984 /* Elo TouchSystems IntelliTouch Plus panel */
985 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
986 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
987 USB_DEVICE_ID_ELO_TS2515) },
988
989 /* Flatfrog Panels */
990 { .driver_data = MT_CLS_FLATFROG,
991 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
992 USB_DEVICE_ID_MULTITOUCH_3200) },
993
994 /* GeneralTouch panel */
995 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
996 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
997 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
998 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
999 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1000 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
1001
1002 /* Gametel game controller */
1003 { .driver_data = MT_CLS_DEFAULT,
1004 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
1005 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1006
1007 /* GoodTouch panels */
1008 { .driver_data = MT_CLS_DEFAULT,
1009 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
1010 USB_DEVICE_ID_GOODTOUCH_000f) },
1011
1012 /* Hanvon panels */
1013 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1014 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
1015 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1016
1017 /* Ideacom panel */
1018 { .driver_data = MT_CLS_SERIAL,
1019 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
1020 USB_DEVICE_ID_IDEACOM_IDC6650) },
1021 { .driver_data = MT_CLS_SERIAL,
1022 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
1023 USB_DEVICE_ID_IDEACOM_IDC6651) },
1024
1025 /* Ilitek dual touch panel */
1026 { .driver_data = MT_CLS_DEFAULT,
1027 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
1028 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1029
1030 /* IRTOUCH panels */
1031 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1032 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
1033 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1034
1035 /* LG Display panels */
1036 { .driver_data = MT_CLS_DEFAULT,
1037 MT_USB_DEVICE(USB_VENDOR_ID_LG,
1038 USB_DEVICE_ID_LG_MULTITOUCH) },
1039
1040 /* Lumio panels */
1041 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1042 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
1043 USB_DEVICE_ID_CRYSTALTOUCH) },
1044 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1045 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
1046 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1047
1048 /* MosArt panels */
1049 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1050 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
1051 USB_DEVICE_ID_ASUS_T91MT)},
1052 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1053 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
1054 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1055 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1056 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
1057 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1058
1059 /* Panasonic panels */
1060 { .driver_data = MT_CLS_PANASONIC,
1061 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
1062 USB_DEVICE_ID_PANABOARD_UBT780) },
1063 { .driver_data = MT_CLS_PANASONIC,
1064 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
1065 USB_DEVICE_ID_PANABOARD_UBT880) },
1066
1067 /* Novatek Panel */
1068 { .driver_data = MT_CLS_DEFAULT,
1069 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
1070 USB_DEVICE_ID_NOVATEK_PCT) },
1071
1072 /* PenMount panels */
1073 { .driver_data = MT_CLS_CONFIDENCE,
1074 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
1075 USB_DEVICE_ID_PENMOUNT_PCI) },
1076
1077 /* PixArt optical touch screen */
1078 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1079 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1080 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1081 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1082 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1083 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1084 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1085 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1086 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1087
1088 /* PixCir-based panels */
1089 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1090 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
1091 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1092 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1093 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1094 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1095
1096 /* Quanta-based panels */
1097 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1098 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1099 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1100 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1101 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1102 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1103 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1104 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1105 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1106
1107 /* Stantum panels */
1108 { .driver_data = MT_CLS_CONFIDENCE,
1109 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
1110 USB_DEVICE_ID_MTP)},
1111 { .driver_data = MT_CLS_CONFIDENCE,
1112 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
1113 USB_DEVICE_ID_MTP_STM)},
1114 { .driver_data = MT_CLS_CONFIDENCE,
1115 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
1116 USB_DEVICE_ID_MTP_SITRONIX)},
1117
1118 /* TopSeed panels */
1119 { .driver_data = MT_CLS_TOPSEED,
1120 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
1121 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1122
1123 /* Touch International panels */
1124 { .driver_data = MT_CLS_DEFAULT,
1125 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
1126 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1127
1128 /* Unitec panels */
1129 { .driver_data = MT_CLS_DEFAULT,
1130 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1131 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1132 { .driver_data = MT_CLS_DEFAULT,
1133 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1134 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1135 /* XAT */
1136 { .driver_data = MT_CLS_DEFAULT,
1137 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
1138 USB_DEVICE_ID_XAT_CSR) },
1139
1140 /* Xiroku */
1141 { .driver_data = MT_CLS_DEFAULT,
1142 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1143 USB_DEVICE_ID_XIROKU_SPX) },
1144 { .driver_data = MT_CLS_DEFAULT,
1145 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1146 USB_DEVICE_ID_XIROKU_MPX) },
1147 { .driver_data = MT_CLS_DEFAULT,
1148 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1149 USB_DEVICE_ID_XIROKU_CSR) },
1150 { .driver_data = MT_CLS_DEFAULT,
1151 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1152 USB_DEVICE_ID_XIROKU_SPX1) },
1153 { .driver_data = MT_CLS_DEFAULT,
1154 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1155 USB_DEVICE_ID_XIROKU_MPX1) },
1156 { .driver_data = MT_CLS_DEFAULT,
1157 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1158 USB_DEVICE_ID_XIROKU_CSR1) },
1159 { .driver_data = MT_CLS_DEFAULT,
1160 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1161 USB_DEVICE_ID_XIROKU_SPX2) },
1162 { .driver_data = MT_CLS_DEFAULT,
1163 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1164 USB_DEVICE_ID_XIROKU_MPX2) },
1165 { .driver_data = MT_CLS_DEFAULT,
1166 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1167 USB_DEVICE_ID_XIROKU_CSR2) },
1168
1169 /* Zytronic panels */
1170 { .driver_data = MT_CLS_SERIAL,
1171 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1172 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1173
1174 /* Generic MT device */
1175 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
1176 { }
1177 };
1178 MODULE_DEVICE_TABLE(hid, mt_devices);
1179
1180 static const struct hid_usage_id mt_grabbed_usages[] = {
1181 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1182 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1183 };
1184
1185 static struct hid_driver mt_driver = {
1186 .name = "hid-multitouch",
1187 .id_table = mt_devices,
1188 .probe = mt_probe,
1189 .remove = mt_remove,
1190 .input_mapping = mt_input_mapping,
1191 .input_mapped = mt_input_mapped,
1192 .input_configured = mt_input_configured,
1193 .feature_mapping = mt_feature_mapping,
1194 .usage_table = mt_grabbed_usages,
1195 .event = mt_event,
1196 #ifdef CONFIG_PM
1197 .reset_resume = mt_reset_resume,
1198 .resume = mt_resume,
1199 #endif
1200 };
1201
1202 static int __init mt_init(void)
1203 {
1204 return hid_register_driver(&mt_driver);
1205 }
1206
1207 static void __exit mt_exit(void)
1208 {
1209 hid_unregister_driver(&mt_driver);
1210 }
1211
1212 module_init(mt_init);
1213 module_exit(mt_exit);
Linux 2.6 ibm-acpi/thinkpad-acpi driver git tree