2 * HID driver for multitouch panels
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
8 * This code is partly based on hid-egalax.c:
10 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
11 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
12 * Copyright (c) 2010 Canonical, Ltd.
14 * This code is partly based on hid-3m-pct.c:
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.
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)
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"
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");
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_EGALAX_XYZ_FIXUP (1 << 7)
54 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
58 __s32 contactid; /* the device ContactID assigned to this slot */
59 bool touch_state; /* is the touch valid? */
60 bool seen_in_this_frame;/* has this slot been updated */
64 struct mt_slot curdata; /* placeholder of incoming data */
65 struct mt_class *mtclass; /* our mt device class */
66 unsigned last_field_index; /* last field index of the report */
67 unsigned last_slot_field; /* the last field of a slot */
68 int last_mt_collection; /* last known mt-related collection */
69 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
70 __u8 num_received; /* how many contacts we received */
71 __u8 num_expected; /* expected last contact index */
73 bool curvalid; /* is the current contact valid? */
74 struct mt_slot *slots;
78 __s32 name; /* MT_CLS */
80 __s32 sn_move; /* Signal/noise ratio for move events */
81 __s32 sn_width; /* Signal/noise ratio for width events */
82 __s32 sn_height; /* Signal/noise ratio for height events */
83 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
87 /* classes of device behavior */
88 #define MT_CLS_DEFAULT 0x0001
90 #define MT_CLS_SERIAL 0x0002
91 #define MT_CLS_CONFIDENCE 0x0003
92 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
93 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
94 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
95 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
96 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
98 /* vendor specific classes */
99 #define MT_CLS_3M 0x0101
100 #define MT_CLS_CYPRESS 0x0102
101 #define MT_CLS_EGALAX 0x0103
102 #define MT_CLS_EGALAX_SERIAL 0x0104
104 #define MT_DEFAULT_MAXCONTACT 10
107 * these device-dependent functions determine what slot corresponds
108 * to a valid contact that was just read.
111 static int cypress_compute_slot(struct mt_device *td)
113 if (td->curdata.contactid != 0 || td->num_received == 0)
114 return td->curdata.contactid;
119 static int find_slot_from_contactid(struct mt_device *td)
122 for (i = 0; i < td->maxcontacts; ++i) {
123 if (td->slots[i].contactid == td->curdata.contactid &&
124 td->slots[i].touch_state)
127 for (i = 0; i < td->maxcontacts; ++i) {
128 if (!td->slots[i].seen_in_this_frame &&
129 !td->slots[i].touch_state)
132 /* should not occurs. If this happens that means
133 * that the device sent more touches that it says
134 * in the report descriptor. It is ignored then. */
138 struct mt_class mt_classes[] = {
139 { .name = MT_CLS_DEFAULT,
140 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
141 { .name = MT_CLS_SERIAL,
142 .quirks = MT_QUIRK_ALWAYS_VALID},
143 { .name = MT_CLS_CONFIDENCE,
144 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
145 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
146 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
147 MT_QUIRK_SLOT_IS_CONTACTID },
148 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
149 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
150 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
151 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
152 .quirks = MT_QUIRK_VALID_IS_INRANGE |
153 MT_QUIRK_SLOT_IS_CONTACTID,
155 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
156 .quirks = MT_QUIRK_VALID_IS_INRANGE |
157 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
159 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
160 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
161 MT_QUIRK_SLOT_IS_CONTACTID,
165 * vendor specific classes
168 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
169 MT_QUIRK_SLOT_IS_CONTACTID,
173 { .name = MT_CLS_CYPRESS,
174 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
177 { .name = MT_CLS_EGALAX,
178 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
179 MT_QUIRK_VALID_IS_INRANGE |
180 MT_QUIRK_EGALAX_XYZ_FIXUP,
185 { .name = MT_CLS_EGALAX_SERIAL,
186 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
187 MT_QUIRK_ALWAYS_VALID,
195 static void mt_feature_mapping(struct hid_device *hdev,
196 struct hid_field *field, struct hid_usage *usage)
198 struct mt_device *td = hid_get_drvdata(hdev);
200 switch (usage->hid) {
201 case HID_DG_INPUTMODE:
202 td->inputmode = field->report->id;
204 case HID_DG_CONTACTMAX:
205 td->maxcontacts = field->value[0];
206 if (td->mtclass->maxcontacts)
207 /* check if the maxcontacts is given by the class */
208 td->maxcontacts = td->mtclass->maxcontacts;
214 static void set_abs(struct input_dev *input, unsigned int code,
215 struct hid_field *field, int snratio)
217 int fmin = field->logical_minimum;
218 int fmax = field->logical_maximum;
219 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
220 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
223 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
224 struct hid_field *field, struct hid_usage *usage,
225 unsigned long **bit, int *max)
227 struct mt_device *td = hid_get_drvdata(hdev);
228 struct mt_class *cls = td->mtclass;
229 __s32 quirks = cls->quirks;
231 /* Only map fields from TouchScreen or TouchPad collections.
232 * We need to ignore fields that belong to other collections
233 * such as Mouse that might have the same GenericDesktop usages. */
234 if (field->application == HID_DG_TOUCHSCREEN)
235 set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
236 else if (field->application == HID_DG_TOUCHPAD)
237 set_bit(INPUT_PROP_POINTER, hi->input->propbit);
241 switch (usage->hid & HID_USAGE_PAGE) {
244 switch (usage->hid) {
246 if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
247 field->logical_maximum = 32760;
248 hid_map_usage(hi, usage, bit, max,
249 EV_ABS, ABS_MT_POSITION_X);
250 set_abs(hi->input, ABS_MT_POSITION_X, field,
252 /* touchscreen emulation */
253 set_abs(hi->input, ABS_X, field, cls->sn_move);
254 if (td->last_mt_collection == usage->collection_index) {
255 td->last_slot_field = usage->hid;
256 td->last_field_index = field->index;
260 if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
261 field->logical_maximum = 32760;
262 hid_map_usage(hi, usage, bit, max,
263 EV_ABS, ABS_MT_POSITION_Y);
264 set_abs(hi->input, ABS_MT_POSITION_Y, field,
266 /* touchscreen emulation */
267 set_abs(hi->input, ABS_Y, field, cls->sn_move);
268 if (td->last_mt_collection == usage->collection_index) {
269 td->last_slot_field = usage->hid;
270 td->last_field_index = field->index;
276 case HID_UP_DIGITIZER:
277 switch (usage->hid) {
279 if (td->last_mt_collection == usage->collection_index) {
280 td->last_slot_field = usage->hid;
281 td->last_field_index = field->index;
284 case HID_DG_CONFIDENCE:
285 if (td->last_mt_collection == usage->collection_index) {
286 td->last_slot_field = usage->hid;
287 td->last_field_index = field->index;
290 case HID_DG_TIPSWITCH:
291 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
292 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
293 if (td->last_mt_collection == usage->collection_index) {
294 td->last_slot_field = usage->hid;
295 td->last_field_index = field->index;
298 case HID_DG_CONTACTID:
299 if (!td->maxcontacts)
300 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
301 input_mt_init_slots(hi->input, td->maxcontacts);
302 td->last_slot_field = usage->hid;
303 td->last_field_index = field->index;
304 td->last_mt_collection = usage->collection_index;
307 hid_map_usage(hi, usage, bit, max,
308 EV_ABS, ABS_MT_TOUCH_MAJOR);
309 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
311 if (td->last_mt_collection == usage->collection_index) {
312 td->last_slot_field = usage->hid;
313 td->last_field_index = field->index;
317 hid_map_usage(hi, usage, bit, max,
318 EV_ABS, ABS_MT_TOUCH_MINOR);
319 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
321 input_set_abs_params(hi->input,
322 ABS_MT_ORIENTATION, 0, 1, 0, 0);
323 if (td->last_mt_collection == usage->collection_index) {
324 td->last_slot_field = usage->hid;
325 td->last_field_index = field->index;
328 case HID_DG_TIPPRESSURE:
329 if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
330 field->logical_minimum = 0;
331 hid_map_usage(hi, usage, bit, max,
332 EV_ABS, ABS_MT_PRESSURE);
333 set_abs(hi->input, ABS_MT_PRESSURE, field,
335 /* touchscreen emulation */
336 set_abs(hi->input, ABS_PRESSURE, field,
338 if (td->last_mt_collection == usage->collection_index) {
339 td->last_slot_field = usage->hid;
340 td->last_field_index = field->index;
343 case HID_DG_CONTACTCOUNT:
344 if (td->last_mt_collection == usage->collection_index)
345 td->last_field_index = field->index;
347 case HID_DG_CONTACTMAX:
348 /* we don't set td->last_slot_field as contactcount and
349 * contact max are global to the report */
350 if (td->last_mt_collection == usage->collection_index)
351 td->last_field_index = field->index;
354 /* let hid-input decide for the others */
358 /* we do not want to map these: no input-oriented meaning */
365 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
366 struct hid_field *field, struct hid_usage *usage,
367 unsigned long **bit, int *max)
369 if (usage->type == EV_KEY || usage->type == EV_ABS)
370 set_bit(usage->type, hi->input->evbit);
375 static int mt_compute_slot(struct mt_device *td)
377 __s32 quirks = td->mtclass->quirks;
379 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
380 return td->curdata.contactid;
382 if (quirks & MT_QUIRK_CYPRESS)
383 return cypress_compute_slot(td);
385 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
386 return td->num_received;
388 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
389 return td->curdata.contactid - 1;
391 return find_slot_from_contactid(td);
395 * this function is called when a whole contact has been processed,
396 * so that it can assign it to a slot and store the data there
398 static void mt_complete_slot(struct mt_device *td)
400 td->curdata.seen_in_this_frame = true;
402 int slotnum = mt_compute_slot(td);
404 if (slotnum >= 0 && slotnum < td->maxcontacts)
405 td->slots[slotnum] = td->curdata;
412 * this function is called when a whole packet has been received and processed,
413 * so that it can decide what to send to the input layer.
415 static void mt_emit_event(struct mt_device *td, struct input_dev *input)
419 for (i = 0; i < td->maxcontacts; ++i) {
420 struct mt_slot *s = &(td->slots[i]);
421 if ((td->mtclass->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
422 !s->seen_in_this_frame) {
423 s->touch_state = false;
426 input_mt_slot(input, i);
427 input_mt_report_slot_state(input, MT_TOOL_FINGER,
429 if (s->touch_state) {
430 /* this finger is on the screen */
431 int wide = (s->w > s->h);
432 /* divided by two to match visual scale of touch */
433 int major = max(s->w, s->h) >> 1;
434 int minor = min(s->w, s->h) >> 1;
436 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
437 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
438 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
439 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
440 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
441 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
443 s->seen_in_this_frame = false;
447 input_mt_report_pointer_emulation(input, true);
449 td->num_received = 0;
454 static int mt_event(struct hid_device *hid, struct hid_field *field,
455 struct hid_usage *usage, __s32 value)
457 struct mt_device *td = hid_get_drvdata(hid);
458 __s32 quirks = td->mtclass->quirks;
460 if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
461 switch (usage->hid) {
463 if (quirks & MT_QUIRK_ALWAYS_VALID)
465 else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
466 td->curvalid = value;
468 case HID_DG_TIPSWITCH:
469 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
470 td->curvalid = value;
471 td->curdata.touch_state = value;
473 case HID_DG_CONFIDENCE:
474 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
475 td->curvalid = value;
477 case HID_DG_CONTACTID:
478 td->curdata.contactid = value;
480 case HID_DG_TIPPRESSURE:
481 td->curdata.p = value;
484 td->curdata.x = value;
487 td->curdata.y = value;
490 td->curdata.w = value;
493 td->curdata.h = value;
495 case HID_DG_CONTACTCOUNT:
497 * Includes multi-packet support where subsequent
498 * packets are sent with zero contactcount.
501 td->num_expected = value;
505 /* fallback to the generic hidinput handling */
509 if (usage->hid == td->last_slot_field) {
510 mt_complete_slot(td);
513 if (field->index == td->last_field_index
514 && td->num_received >= td->num_expected)
515 mt_emit_event(td, field->hidinput->input);
519 /* we have handled the hidinput part, now remains hiddev */
520 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
521 hid->hiddev_hid_event(hid, field, usage, value);
526 static void mt_set_input_mode(struct hid_device *hdev)
528 struct mt_device *td = hid_get_drvdata(hdev);
529 struct hid_report *r;
530 struct hid_report_enum *re;
532 if (td->inputmode < 0)
535 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
536 r = re->report_id_hash[td->inputmode];
538 r->field[0]->value[0] = 0x02;
539 usbhid_submit_report(hdev, r, USB_DIR_OUT);
543 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
546 struct mt_device *td;
547 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
549 for (i = 0; mt_classes[i].name ; i++) {
550 if (id->driver_data == mt_classes[i].name) {
551 mtclass = &(mt_classes[i]);
556 /* This allows the driver to correctly support devices
557 * that emit events over several HID messages.
559 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
561 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
563 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
566 td->mtclass = mtclass;
568 td->last_mt_collection = -1;
569 hid_set_drvdata(hdev, td);
571 ret = hid_parse(hdev);
575 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
579 td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
582 dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
588 mt_set_input_mode(hdev);
598 static int mt_reset_resume(struct hid_device *hdev)
600 mt_set_input_mode(hdev);
605 static void mt_remove(struct hid_device *hdev)
607 struct mt_device *td = hid_get_drvdata(hdev);
611 hid_set_drvdata(hdev, NULL);
614 static const struct hid_device_id mt_devices[] = {
617 { .driver_data = MT_CLS_3M,
618 HID_USB_DEVICE(USB_VENDOR_ID_3M,
619 USB_DEVICE_ID_3M1968) },
620 { .driver_data = MT_CLS_3M,
621 HID_USB_DEVICE(USB_VENDOR_ID_3M,
622 USB_DEVICE_ID_3M2256) },
623 { .driver_data = MT_CLS_3M,
624 HID_USB_DEVICE(USB_VENDOR_ID_3M,
625 USB_DEVICE_ID_3M3266) },
627 /* ActionStar panels */
628 { .driver_data = MT_CLS_DEFAULT,
629 HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
630 USB_DEVICE_ID_ACTIONSTAR_1011) },
633 { .driver_data = MT_CLS_SERIAL,
634 HID_USB_DEVICE(USB_VENDOR_ID_ATMEL,
635 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
638 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
639 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
640 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
641 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
642 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
643 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
644 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
645 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
646 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
647 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
648 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
649 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
651 /* Chunghwa Telecom touch panels */
652 { .driver_data = MT_CLS_DEFAULT,
653 HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
654 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
657 { .driver_data = MT_CLS_DEFAULT,
658 HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
659 USB_DEVICE_ID_CVTOUCH_SCREEN) },
662 { .driver_data = MT_CLS_CYPRESS,
663 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
664 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
666 /* eGalax devices (resistive) */
667 { .driver_data = MT_CLS_EGALAX,
668 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
669 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
670 { .driver_data = MT_CLS_EGALAX,
671 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
672 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
674 /* eGalax devices (capacitive) */
675 { .driver_data = MT_CLS_EGALAX,
676 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
677 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
678 { .driver_data = MT_CLS_EGALAX_SERIAL,
679 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
680 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
681 { .driver_data = MT_CLS_EGALAX_SERIAL,
682 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
683 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
684 { .driver_data = MT_CLS_EGALAX_SERIAL,
685 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
686 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
687 { .driver_data = MT_CLS_EGALAX,
688 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
689 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
690 { .driver_data = MT_CLS_EGALAX_SERIAL,
691 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
692 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
693 { .driver_data = MT_CLS_EGALAX,
694 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
695 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
696 { .driver_data = MT_CLS_EGALAX_SERIAL,
697 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
698 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
699 { .driver_data = MT_CLS_EGALAX,
700 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
701 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
702 { .driver_data = MT_CLS_EGALAX,
703 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
704 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
705 { .driver_data = MT_CLS_EGALAX_SERIAL,
706 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
707 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
708 { .driver_data = MT_CLS_EGALAX_SERIAL,
709 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
710 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
712 /* Elo TouchSystems IntelliTouch Plus panel */
713 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
714 HID_USB_DEVICE(USB_VENDOR_ID_ELO,
715 USB_DEVICE_ID_ELO_TS2515) },
717 /* GeneralTouch panel */
718 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
719 HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
720 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
722 /* GoodTouch panels */
723 { .driver_data = MT_CLS_DEFAULT,
724 HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
725 USB_DEVICE_ID_GOODTOUCH_000f) },
728 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
729 HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
730 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
733 { .driver_data = MT_CLS_SERIAL,
734 HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
735 USB_DEVICE_ID_IDEACOM_IDC6650) },
737 /* Ilitek dual touch panel */
738 { .driver_data = MT_CLS_DEFAULT,
739 HID_USB_DEVICE(USB_VENDOR_ID_ILITEK,
740 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
743 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
744 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
745 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
747 /* LG Display panels */
748 { .driver_data = MT_CLS_DEFAULT,
749 HID_USB_DEVICE(USB_VENDOR_ID_LG,
750 USB_DEVICE_ID_LG_MULTITOUCH) },
753 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
754 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
755 USB_DEVICE_ID_CRYSTALTOUCH) },
756 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
757 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
758 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
761 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
762 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
763 USB_DEVICE_ID_ASUS_T91MT)},
764 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
765 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
766 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
767 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
768 HID_USB_DEVICE(USB_VENDOR_ID_TURBOX,
769 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
771 /* PenMount panels */
772 { .driver_data = MT_CLS_CONFIDENCE,
773 HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
774 USB_DEVICE_ID_PENMOUNT_PCI) },
776 /* PixCir-based panels */
777 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
778 HID_USB_DEVICE(USB_VENDOR_ID_HANVON,
779 USB_DEVICE_ID_HANVON_MULTITOUCH) },
780 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
781 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
782 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
784 /* Quanta-based panels */
785 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
786 HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
787 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
788 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
789 HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
790 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
791 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
792 HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
793 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
796 { .driver_data = MT_CLS_CONFIDENCE,
797 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
799 { .driver_data = MT_CLS_CONFIDENCE,
800 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
801 USB_DEVICE_ID_MTP_STM)},
802 { .driver_data = MT_CLS_CONFIDENCE,
803 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
804 USB_DEVICE_ID_MTP_SITRONIX)},
806 /* Touch International panels */
807 { .driver_data = MT_CLS_DEFAULT,
808 HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
809 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
812 { .driver_data = MT_CLS_DEFAULT,
813 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
814 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
815 { .driver_data = MT_CLS_DEFAULT,
816 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
817 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
819 { .driver_data = MT_CLS_DEFAULT,
820 HID_USB_DEVICE(USB_VENDOR_ID_XAT,
821 USB_DEVICE_ID_XAT_CSR) },
824 { .driver_data = MT_CLS_DEFAULT,
825 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
826 USB_DEVICE_ID_XIROKU_SPX) },
827 { .driver_data = MT_CLS_DEFAULT,
828 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
829 USB_DEVICE_ID_XIROKU_MPX) },
830 { .driver_data = MT_CLS_DEFAULT,
831 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
832 USB_DEVICE_ID_XIROKU_CSR) },
833 { .driver_data = MT_CLS_DEFAULT,
834 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
835 USB_DEVICE_ID_XIROKU_SPX1) },
836 { .driver_data = MT_CLS_DEFAULT,
837 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
838 USB_DEVICE_ID_XIROKU_MPX1) },
839 { .driver_data = MT_CLS_DEFAULT,
840 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
841 USB_DEVICE_ID_XIROKU_CSR1) },
842 { .driver_data = MT_CLS_DEFAULT,
843 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
844 USB_DEVICE_ID_XIROKU_SPX2) },
845 { .driver_data = MT_CLS_DEFAULT,
846 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
847 USB_DEVICE_ID_XIROKU_MPX2) },
848 { .driver_data = MT_CLS_DEFAULT,
849 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
850 USB_DEVICE_ID_XIROKU_CSR2) },
854 MODULE_DEVICE_TABLE(hid, mt_devices);
856 static const struct hid_usage_id mt_grabbed_usages[] = {
857 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
858 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
861 static struct hid_driver mt_driver = {
862 .name = "hid-multitouch",
863 .id_table = mt_devices,
866 .input_mapping = mt_input_mapping,
867 .input_mapped = mt_input_mapped,
868 .feature_mapping = mt_feature_mapping,
869 .usage_table = mt_grabbed_usages,
872 .reset_resume = mt_reset_resume,
876 static int __init mt_init(void)
878 return hid_register_driver(&mt_driver);
881 static void __exit mt_exit(void)
883 hid_unregister_driver(&mt_driver);
886 module_init(mt_init);
887 module_exit(mt_exit);