HID: hid-multitouch: merge hid-mosart into hid-multitouch
[linux-2.6.git] / drivers / hid / hid-multitouch.c
1 /*
2  *  HID driver for multitouch panels
3  *
4  *  Copyright (c) 2010-2011 Stephane Chatty <chatty@enac.fr>
5  *  Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6  *  Copyright (c) 2010-2011 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_VALID_IS_INRANGE       (1 << 4)
51 #define MT_QUIRK_VALID_IS_CONFIDENCE    (1 << 5)
52 #define MT_QUIRK_EGALAX_XYZ_FIXUP       (1 << 6)
53 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE    (1 << 7)
54
55 struct mt_slot {
56         __s32 x, y, p, w, h;
57         __s32 contactid;        /* the device ContactID assigned to this slot */
58         bool touch_state;       /* is the touch valid? */
59         bool seen_in_this_frame;/* has this slot been updated */
60 };
61
62 struct mt_device {
63         struct mt_slot curdata; /* placeholder of incoming data */
64         struct mt_class *mtclass;       /* our mt device class */
65         unsigned last_field_index;      /* last field index of the report */
66         unsigned last_slot_field;       /* the last field of a slot */
67         __s8 inputmode;         /* InputMode HID feature, -1 if non-existent */
68         __u8 num_received;      /* how many contacts we received */
69         __u8 num_expected;      /* expected last contact index */
70         __u8 maxcontacts;
71         bool curvalid;          /* is the current contact valid? */
72         struct mt_slot *slots;
73 };
74
75 struct mt_class {
76         __s32 name;     /* MT_CLS */
77         __s32 quirks;
78         __s32 sn_move;  /* Signal/noise ratio for move events */
79         __s32 sn_width; /* Signal/noise ratio for width events */
80         __s32 sn_height;        /* Signal/noise ratio for height events */
81         __s32 sn_pressure;      /* Signal/noise ratio for pressure events */
82         __u8 maxcontacts;
83 };
84
85 /* classes of device behavior */
86 #define MT_CLS_DEFAULT                          1
87 #define MT_CLS_DUAL_INRANGE_CONTACTID           2
88 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER       3
89 #define MT_CLS_CYPRESS                          4
90 #define MT_CLS_EGALAX                           5
91 #define MT_CLS_STANTUM                          6
92 #define MT_CLS_3M                               7
93 #define MT_CLS_CONFIDENCE                       8
94 #define MT_CLS_CONFIDENCE_MINUS_ONE             9
95
96 #define MT_DEFAULT_MAXCONTACT   10
97
98 /*
99  * these device-dependent functions determine what slot corresponds
100  * to a valid contact that was just read.
101  */
102
103 static int cypress_compute_slot(struct mt_device *td)
104 {
105         if (td->curdata.contactid != 0 || td->num_received == 0)
106                 return td->curdata.contactid;
107         else
108                 return -1;
109 }
110
111 static int find_slot_from_contactid(struct mt_device *td)
112 {
113         int i;
114         for (i = 0; i < td->maxcontacts; ++i) {
115                 if (td->slots[i].contactid == td->curdata.contactid &&
116                         td->slots[i].touch_state)
117                         return i;
118         }
119         for (i = 0; i < td->maxcontacts; ++i) {
120                 if (!td->slots[i].seen_in_this_frame &&
121                         !td->slots[i].touch_state)
122                         return i;
123         }
124         /* should not occurs. If this happens that means
125          * that the device sent more touches that it says
126          * in the report descriptor. It is ignored then. */
127         return -1;
128 }
129
130 struct mt_class mt_classes[] = {
131         { .name = MT_CLS_DEFAULT,
132                 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
133         { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
134                 .quirks = MT_QUIRK_VALID_IS_INRANGE |
135                         MT_QUIRK_SLOT_IS_CONTACTID,
136                 .maxcontacts = 2 },
137         { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
138                 .quirks = MT_QUIRK_VALID_IS_INRANGE |
139                         MT_QUIRK_SLOT_IS_CONTACTNUMBER,
140                 .maxcontacts = 2 },
141         { .name = MT_CLS_CYPRESS,
142                 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
143                         MT_QUIRK_CYPRESS,
144                 .maxcontacts = 10 },
145         { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
146                 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
147                         MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
148         { .name = MT_CLS_EGALAX,
149                 .quirks =  MT_QUIRK_SLOT_IS_CONTACTID |
150                         MT_QUIRK_VALID_IS_INRANGE |
151                         MT_QUIRK_EGALAX_XYZ_FIXUP,
152                 .maxcontacts = 2,
153                 .sn_move = 4096,
154                 .sn_pressure = 32,
155         },
156         { .name = MT_CLS_STANTUM,
157                 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
158         { .name = MT_CLS_3M,
159                 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
160                         MT_QUIRK_SLOT_IS_CONTACTID,
161                 .sn_move = 2048,
162                 .sn_width = 128,
163                 .sn_height = 128 },
164         { .name = MT_CLS_CONFIDENCE,
165                 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
166
167         { }
168 };
169
170 static void mt_feature_mapping(struct hid_device *hdev,
171                 struct hid_field *field, struct hid_usage *usage)
172 {
173         struct mt_device *td = hid_get_drvdata(hdev);
174
175         switch (usage->hid) {
176         case HID_DG_INPUTMODE:
177                 td->inputmode = field->report->id;
178                 break;
179         case HID_DG_CONTACTMAX:
180                 td->maxcontacts = field->value[0];
181                 if (td->mtclass->maxcontacts)
182                         /* check if the maxcontacts is given by the class */
183                         td->maxcontacts = td->mtclass->maxcontacts;
184
185                 break;
186         }
187 }
188
189 static void set_abs(struct input_dev *input, unsigned int code,
190                 struct hid_field *field, int snratio)
191 {
192         int fmin = field->logical_minimum;
193         int fmax = field->logical_maximum;
194         int fuzz = snratio ? (fmax - fmin) / snratio : 0;
195         input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
196 }
197
198 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
199                 struct hid_field *field, struct hid_usage *usage,
200                 unsigned long **bit, int *max)
201 {
202         struct mt_device *td = hid_get_drvdata(hdev);
203         struct mt_class *cls = td->mtclass;
204         __s32 quirks = cls->quirks;
205
206         switch (usage->hid & HID_USAGE_PAGE) {
207
208         case HID_UP_GENDESK:
209                 switch (usage->hid) {
210                 case HID_GD_X:
211                         if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
212                                 field->logical_maximum = 32760;
213                         hid_map_usage(hi, usage, bit, max,
214                                         EV_ABS, ABS_MT_POSITION_X);
215                         set_abs(hi->input, ABS_MT_POSITION_X, field,
216                                 cls->sn_move);
217                         /* touchscreen emulation */
218                         set_abs(hi->input, ABS_X, field, cls->sn_move);
219                         td->last_slot_field = usage->hid;
220                         td->last_field_index = field->index;
221                         return 1;
222                 case HID_GD_Y:
223                         if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
224                                 field->logical_maximum = 32760;
225                         hid_map_usage(hi, usage, bit, max,
226                                         EV_ABS, ABS_MT_POSITION_Y);
227                         set_abs(hi->input, ABS_MT_POSITION_Y, field,
228                                 cls->sn_move);
229                         /* touchscreen emulation */
230                         set_abs(hi->input, ABS_Y, field, cls->sn_move);
231                         td->last_slot_field = usage->hid;
232                         td->last_field_index = field->index;
233                         return 1;
234                 }
235                 return 0;
236
237         case HID_UP_DIGITIZER:
238                 switch (usage->hid) {
239                 case HID_DG_INRANGE:
240                         td->last_slot_field = usage->hid;
241                         td->last_field_index = field->index;
242                         return 1;
243                 case HID_DG_CONFIDENCE:
244                         td->last_slot_field = usage->hid;
245                         td->last_field_index = field->index;
246                         return 1;
247                 case HID_DG_TIPSWITCH:
248                         hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
249                         input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
250                         td->last_slot_field = usage->hid;
251                         td->last_field_index = field->index;
252                         return 1;
253                 case HID_DG_CONTACTID:
254                         input_mt_init_slots(hi->input, td->maxcontacts);
255                         td->last_slot_field = usage->hid;
256                         td->last_field_index = field->index;
257                         return 1;
258                 case HID_DG_WIDTH:
259                         hid_map_usage(hi, usage, bit, max,
260                                         EV_ABS, ABS_MT_TOUCH_MAJOR);
261                         set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
262                                 cls->sn_width);
263                         td->last_slot_field = usage->hid;
264                         td->last_field_index = field->index;
265                         return 1;
266                 case HID_DG_HEIGHT:
267                         hid_map_usage(hi, usage, bit, max,
268                                         EV_ABS, ABS_MT_TOUCH_MINOR);
269                         set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
270                                 cls->sn_height);
271                         input_set_abs_params(hi->input,
272                                         ABS_MT_ORIENTATION, 0, 1, 0, 0);
273                         td->last_slot_field = usage->hid;
274                         td->last_field_index = field->index;
275                         return 1;
276                 case HID_DG_TIPPRESSURE:
277                         if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
278                                 field->logical_minimum = 0;
279                         hid_map_usage(hi, usage, bit, max,
280                                         EV_ABS, ABS_MT_PRESSURE);
281                         set_abs(hi->input, ABS_MT_PRESSURE, field,
282                                 cls->sn_pressure);
283                         /* touchscreen emulation */
284                         set_abs(hi->input, ABS_PRESSURE, field,
285                                 cls->sn_pressure);
286                         td->last_slot_field = usage->hid;
287                         td->last_field_index = field->index;
288                         return 1;
289                 case HID_DG_CONTACTCOUNT:
290                         td->last_field_index = field->index;
291                         return 1;
292                 case HID_DG_CONTACTMAX:
293                         /* we don't set td->last_slot_field as contactcount and
294                          * contact max are global to the report */
295                         td->last_field_index = field->index;
296                         return -1;
297                 }
298                 /* let hid-input decide for the others */
299                 return 0;
300
301         case 0xff000000:
302                 /* we do not want to map these: no input-oriented meaning */
303                 return -1;
304         }
305
306         return 0;
307 }
308
309 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
310                 struct hid_field *field, struct hid_usage *usage,
311                 unsigned long **bit, int *max)
312 {
313         if (usage->type == EV_KEY || usage->type == EV_ABS)
314                 set_bit(usage->type, hi->input->evbit);
315
316         return -1;
317 }
318
319 static int mt_compute_slot(struct mt_device *td)
320 {
321         __s32 quirks = td->mtclass->quirks;
322
323         if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
324                 return td->curdata.contactid;
325
326         if (quirks & MT_QUIRK_CYPRESS)
327                 return cypress_compute_slot(td);
328
329         if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
330                 return td->num_received;
331
332         if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
333                 return td->curdata.contactid - 1;
334
335         return find_slot_from_contactid(td);
336 }
337
338 /*
339  * this function is called when a whole contact has been processed,
340  * so that it can assign it to a slot and store the data there
341  */
342 static void mt_complete_slot(struct mt_device *td)
343 {
344         td->curdata.seen_in_this_frame = true;
345         if (td->curvalid) {
346                 int slotnum = mt_compute_slot(td);
347
348                 if (slotnum >= 0 && slotnum < td->maxcontacts)
349                         td->slots[slotnum] = td->curdata;
350         }
351         td->num_received++;
352 }
353
354
355 /*
356  * this function is called when a whole packet has been received and processed,
357  * so that it can decide what to send to the input layer.
358  */
359 static void mt_emit_event(struct mt_device *td, struct input_dev *input)
360 {
361         int i;
362
363         for (i = 0; i < td->maxcontacts; ++i) {
364                 struct mt_slot *s = &(td->slots[i]);
365                 if ((td->mtclass->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
366                         !s->seen_in_this_frame) {
367                         s->touch_state = false;
368                 }
369
370                 input_mt_slot(input, i);
371                 input_mt_report_slot_state(input, MT_TOOL_FINGER,
372                         s->touch_state);
373                 if (s->touch_state) {
374                         /* this finger is on the screen */
375                         int wide = (s->w > s->h);
376                         /* divided by two to match visual scale of touch */
377                         int major = max(s->w, s->h) >> 1;
378                         int minor = min(s->w, s->h) >> 1;
379
380                         input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
381                         input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
382                         input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
383                         input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
384                         input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
385                         input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
386                 }
387                 s->seen_in_this_frame = false;
388
389         }
390
391         input_mt_report_pointer_emulation(input, true);
392         input_sync(input);
393         td->num_received = 0;
394 }
395
396
397
398 static int mt_event(struct hid_device *hid, struct hid_field *field,
399                                 struct hid_usage *usage, __s32 value)
400 {
401         struct mt_device *td = hid_get_drvdata(hid);
402         __s32 quirks = td->mtclass->quirks;
403
404         if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
405                 switch (usage->hid) {
406                 case HID_DG_INRANGE:
407                         if (quirks & MT_QUIRK_VALID_IS_INRANGE)
408                                 td->curvalid = value;
409                         break;
410                 case HID_DG_TIPSWITCH:
411                         if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
412                                 td->curvalid = value;
413                         td->curdata.touch_state = value;
414                         break;
415                 case HID_DG_CONFIDENCE:
416                         if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
417                                 td->curvalid = value;
418                         break;
419                 case HID_DG_CONTACTID:
420                         td->curdata.contactid = value;
421                         break;
422                 case HID_DG_TIPPRESSURE:
423                         td->curdata.p = value;
424                         break;
425                 case HID_GD_X:
426                         td->curdata.x = value;
427                         break;
428                 case HID_GD_Y:
429                         td->curdata.y = value;
430                         break;
431                 case HID_DG_WIDTH:
432                         td->curdata.w = value;
433                         break;
434                 case HID_DG_HEIGHT:
435                         td->curdata.h = value;
436                         break;
437                 case HID_DG_CONTACTCOUNT:
438                         /*
439                          * Includes multi-packet support where subsequent
440                          * packets are sent with zero contactcount.
441                          */
442                         if (value)
443                                 td->num_expected = value;
444                         break;
445
446                 default:
447                         /* fallback to the generic hidinput handling */
448                         return 0;
449                 }
450
451                 if (usage->hid == td->last_slot_field) {
452                         mt_complete_slot(td);
453                 }
454
455                 if (field->index == td->last_field_index
456                         && td->num_received >= td->num_expected)
457                         mt_emit_event(td, field->hidinput->input);
458
459         }
460
461         /* we have handled the hidinput part, now remains hiddev */
462         if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
463                 hid->hiddev_hid_event(hid, field, usage, value);
464
465         return 1;
466 }
467
468 static void mt_set_input_mode(struct hid_device *hdev)
469 {
470         struct mt_device *td = hid_get_drvdata(hdev);
471         struct hid_report *r;
472         struct hid_report_enum *re;
473
474         if (td->inputmode < 0)
475                 return;
476
477         re = &(hdev->report_enum[HID_FEATURE_REPORT]);
478         r = re->report_id_hash[td->inputmode];
479         if (r) {
480                 r->field[0]->value[0] = 0x02;
481                 usbhid_submit_report(hdev, r, USB_DIR_OUT);
482         }
483 }
484
485 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
486 {
487         int ret, i;
488         struct mt_device *td;
489         struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
490
491         for (i = 0; mt_classes[i].name ; i++) {
492                 if (id->driver_data == mt_classes[i].name) {
493                         mtclass = &(mt_classes[i]);
494                         break;
495                 }
496         }
497
498         /* This allows the driver to correctly support devices
499          * that emit events over several HID messages.
500          */
501         hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
502
503         td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
504         if (!td) {
505                 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
506                 return -ENOMEM;
507         }
508         td->mtclass = mtclass;
509         td->inputmode = -1;
510         hid_set_drvdata(hdev, td);
511
512         ret = hid_parse(hdev);
513         if (ret != 0)
514                 goto fail;
515
516         ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
517         if (ret)
518                 goto fail;
519
520         if (!td->maxcontacts)
521                 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
522
523         td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
524                                 GFP_KERNEL);
525         if (!td->slots) {
526                 dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
527                 hid_hw_stop(hdev);
528                 ret = -ENOMEM;
529                 goto fail;
530         }
531
532         mt_set_input_mode(hdev);
533
534         return 0;
535
536 fail:
537         kfree(td);
538         return ret;
539 }
540
541 #ifdef CONFIG_PM
542 static int mt_reset_resume(struct hid_device *hdev)
543 {
544         mt_set_input_mode(hdev);
545         return 0;
546 }
547 #endif
548
549 static void mt_remove(struct hid_device *hdev)
550 {
551         struct mt_device *td = hid_get_drvdata(hdev);
552         hid_hw_stop(hdev);
553         kfree(td->slots);
554         kfree(td);
555         hid_set_drvdata(hdev, NULL);
556 }
557
558 static const struct hid_device_id mt_devices[] = {
559
560         /* 3M panels */
561         { .driver_data = MT_CLS_3M,
562                 HID_USB_DEVICE(USB_VENDOR_ID_3M,
563                         USB_DEVICE_ID_3M1968) },
564         { .driver_data = MT_CLS_3M,
565                 HID_USB_DEVICE(USB_VENDOR_ID_3M,
566                         USB_DEVICE_ID_3M2256) },
567
568         /* Cando panels */
569         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
570                 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
571                         USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
572         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
573                 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
574                         USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
575         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
576                 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
577                         USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
578         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
579                 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
580                         USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
581
582         /* Cypress panel */
583         { .driver_data = MT_CLS_CYPRESS,
584                 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
585                         USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
586
587         /* GeneralTouch panel */
588         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
589                 HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
590                         USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
591
592         /* IRTOUCH panels */
593         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
594                 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
595                         USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
596
597         /* MosArt panels */
598         { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
599                 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
600                         USB_DEVICE_ID_ASUS_T91MT)},
601         { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
602                 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
603                         USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
604         { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
605                 HID_USB_DEVICE(USB_VENDOR_ID_TURBOX,
606                         USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
607
608         /* PenMount panels */
609         { .driver_data = MT_CLS_CONFIDENCE,
610                 HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
611                         USB_DEVICE_ID_PENMOUNT_PCI) },
612
613         /* PixCir-based panels */
614         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
615                 HID_USB_DEVICE(USB_VENDOR_ID_HANVON,
616                         USB_DEVICE_ID_HANVON_MULTITOUCH) },
617         { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
618                 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
619                         USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
620
621         /* Resistive eGalax devices */
622         {  .driver_data = MT_CLS_EGALAX,
623                 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
624                         USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
625         {  .driver_data = MT_CLS_EGALAX,
626                 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
627                         USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) },
628
629         /* Capacitive eGalax devices */
630         {  .driver_data = MT_CLS_EGALAX,
631                 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
632                         USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) },
633         {  .driver_data = MT_CLS_EGALAX,
634                 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
635                         USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) },
636         {  .driver_data = MT_CLS_EGALAX,
637                 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
638                         USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) },
639
640         /* Stantum panels */
641         { .driver_data = MT_CLS_STANTUM,
642                 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
643                         USB_DEVICE_ID_MTP)},
644         { .driver_data = MT_CLS_STANTUM,
645                 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
646                         USB_DEVICE_ID_MTP_STM)},
647         { .driver_data = MT_CLS_STANTUM,
648                 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
649                         USB_DEVICE_ID_MTP_SITRONIX)},
650
651         { }
652 };
653 MODULE_DEVICE_TABLE(hid, mt_devices);
654
655 static const struct hid_usage_id mt_grabbed_usages[] = {
656         { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
657         { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
658 };
659
660 static struct hid_driver mt_driver = {
661         .name = "hid-multitouch",
662         .id_table = mt_devices,
663         .probe = mt_probe,
664         .remove = mt_remove,
665         .input_mapping = mt_input_mapping,
666         .input_mapped = mt_input_mapped,
667         .feature_mapping = mt_feature_mapping,
668         .usage_table = mt_grabbed_usages,
669         .event = mt_event,
670 #ifdef CONFIG_PM
671         .reset_resume = mt_reset_resume,
672 #endif
673 };
674
675 static int __init mt_init(void)
676 {
677         return hid_register_driver(&mt_driver);
678 }
679
680 static void __exit mt_exit(void)
681 {
682         hid_unregister_driver(&mt_driver);
683 }
684
685 module_init(mt_init);
686 module_exit(mt_exit);