USB: ftdi_sio: Add more identifiers
[linux-2.6/linux-acpi-2.6/ibm-acpi-2.6.git] / drivers / hid / hid-multitouch.c
blob995fc4cd60dc63f73d8a42f3db53a47c9406b229
1 /*
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)
26 * any later version.
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");
43 #include "hid-ids.h"
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)
56 struct mt_slot {
57 __s32 x, y, p, w, h;
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 */
63 struct mt_device {
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 */
72 __u8 maxcontacts;
73 bool curvalid; /* is the current contact valid? */
74 struct mt_slot *slots;
77 struct mt_class {
78 __s32 name; /* MT_CLS */
79 __s32 quirks;
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 */
84 __u8 maxcontacts;
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_MINUS_ONE 0x0004
93 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0005
94 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0006
95 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0007
97 /* vendor specific classes */
98 #define MT_CLS_3M 0x0101
99 #define MT_CLS_CYPRESS 0x0102
100 #define MT_CLS_EGALAX 0x0103
102 #define MT_DEFAULT_MAXCONTACT 10
105 * these device-dependent functions determine what slot corresponds
106 * to a valid contact that was just read.
109 static int cypress_compute_slot(struct mt_device *td)
111 if (td->curdata.contactid != 0 || td->num_received == 0)
112 return td->curdata.contactid;
113 else
114 return -1;
117 static int find_slot_from_contactid(struct mt_device *td)
119 int i;
120 for (i = 0; i < td->maxcontacts; ++i) {
121 if (td->slots[i].contactid == td->curdata.contactid &&
122 td->slots[i].touch_state)
123 return i;
125 for (i = 0; i < td->maxcontacts; ++i) {
126 if (!td->slots[i].seen_in_this_frame &&
127 !td->slots[i].touch_state)
128 return i;
130 /* should not occurs. If this happens that means
131 * that the device sent more touches that it says
132 * in the report descriptor. It is ignored then. */
133 return -1;
136 struct mt_class mt_classes[] = {
137 { .name = MT_CLS_DEFAULT,
138 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
139 { .name = MT_CLS_SERIAL,
140 .quirks = MT_QUIRK_ALWAYS_VALID},
141 { .name = MT_CLS_CONFIDENCE,
142 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
143 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
144 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
145 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
146 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
147 .quirks = MT_QUIRK_VALID_IS_INRANGE |
148 MT_QUIRK_SLOT_IS_CONTACTID,
149 .maxcontacts = 2 },
150 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
151 .quirks = MT_QUIRK_VALID_IS_INRANGE |
152 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
153 .maxcontacts = 2 },
154 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
155 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
156 MT_QUIRK_SLOT_IS_CONTACTID,
157 .maxcontacts = 2 },
160 * vendor specific classes
162 { .name = MT_CLS_3M,
163 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
164 MT_QUIRK_SLOT_IS_CONTACTID,
165 .sn_move = 2048,
166 .sn_width = 128,
167 .sn_height = 128 },
168 { .name = MT_CLS_CYPRESS,
169 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
170 MT_QUIRK_CYPRESS,
171 .maxcontacts = 10 },
172 { .name = MT_CLS_EGALAX,
173 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
174 MT_QUIRK_VALID_IS_INRANGE |
175 MT_QUIRK_EGALAX_XYZ_FIXUP,
176 .maxcontacts = 2,
177 .sn_move = 4096,
178 .sn_pressure = 32,
184 static void mt_feature_mapping(struct hid_device *hdev,
185 struct hid_field *field, struct hid_usage *usage)
187 struct mt_device *td = hid_get_drvdata(hdev);
189 switch (usage->hid) {
190 case HID_DG_INPUTMODE:
191 td->inputmode = field->report->id;
192 break;
193 case HID_DG_CONTACTMAX:
194 td->maxcontacts = field->value[0];
195 if (td->mtclass->maxcontacts)
196 /* check if the maxcontacts is given by the class */
197 td->maxcontacts = td->mtclass->maxcontacts;
199 break;
203 static void set_abs(struct input_dev *input, unsigned int code,
204 struct hid_field *field, int snratio)
206 int fmin = field->logical_minimum;
207 int fmax = field->logical_maximum;
208 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
209 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
212 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
213 struct hid_field *field, struct hid_usage *usage,
214 unsigned long **bit, int *max)
216 struct mt_device *td = hid_get_drvdata(hdev);
217 struct mt_class *cls = td->mtclass;
218 __s32 quirks = cls->quirks;
220 /* Only map fields from TouchScreen or TouchPad collections.
221 * We need to ignore fields that belong to other collections
222 * such as Mouse that might have the same GenericDesktop usages. */
223 if (field->application == HID_DG_TOUCHSCREEN)
224 set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
225 else if (field->application == HID_DG_TOUCHPAD)
226 set_bit(INPUT_PROP_POINTER, hi->input->propbit);
227 else
228 return 0;
230 switch (usage->hid & HID_USAGE_PAGE) {
232 case HID_UP_GENDESK:
233 switch (usage->hid) {
234 case HID_GD_X:
235 if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
236 field->logical_maximum = 32760;
237 hid_map_usage(hi, usage, bit, max,
238 EV_ABS, ABS_MT_POSITION_X);
239 set_abs(hi->input, ABS_MT_POSITION_X, field,
240 cls->sn_move);
241 /* touchscreen emulation */
242 set_abs(hi->input, ABS_X, field, cls->sn_move);
243 if (td->last_mt_collection == usage->collection_index) {
244 td->last_slot_field = usage->hid;
245 td->last_field_index = field->index;
247 return 1;
248 case HID_GD_Y:
249 if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
250 field->logical_maximum = 32760;
251 hid_map_usage(hi, usage, bit, max,
252 EV_ABS, ABS_MT_POSITION_Y);
253 set_abs(hi->input, ABS_MT_POSITION_Y, field,
254 cls->sn_move);
255 /* touchscreen emulation */
256 set_abs(hi->input, ABS_Y, field, cls->sn_move);
257 if (td->last_mt_collection == usage->collection_index) {
258 td->last_slot_field = usage->hid;
259 td->last_field_index = field->index;
261 return 1;
263 return 0;
265 case HID_UP_DIGITIZER:
266 switch (usage->hid) {
267 case HID_DG_INRANGE:
268 if (td->last_mt_collection == usage->collection_index) {
269 td->last_slot_field = usage->hid;
270 td->last_field_index = field->index;
272 return 1;
273 case HID_DG_CONFIDENCE:
274 if (td->last_mt_collection == usage->collection_index) {
275 td->last_slot_field = usage->hid;
276 td->last_field_index = field->index;
278 return 1;
279 case HID_DG_TIPSWITCH:
280 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
281 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
282 if (td->last_mt_collection == usage->collection_index) {
283 td->last_slot_field = usage->hid;
284 td->last_field_index = field->index;
286 return 1;
287 case HID_DG_CONTACTID:
288 if (!td->maxcontacts)
289 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
290 input_mt_init_slots(hi->input, td->maxcontacts);
291 td->last_slot_field = usage->hid;
292 td->last_field_index = field->index;
293 td->last_mt_collection = usage->collection_index;
294 return 1;
295 case HID_DG_WIDTH:
296 hid_map_usage(hi, usage, bit, max,
297 EV_ABS, ABS_MT_TOUCH_MAJOR);
298 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
299 cls->sn_width);
300 if (td->last_mt_collection == usage->collection_index) {
301 td->last_slot_field = usage->hid;
302 td->last_field_index = field->index;
304 return 1;
305 case HID_DG_HEIGHT:
306 hid_map_usage(hi, usage, bit, max,
307 EV_ABS, ABS_MT_TOUCH_MINOR);
308 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
309 cls->sn_height);
310 input_set_abs_params(hi->input,
311 ABS_MT_ORIENTATION, 0, 1, 0, 0);
312 if (td->last_mt_collection == usage->collection_index) {
313 td->last_slot_field = usage->hid;
314 td->last_field_index = field->index;
316 return 1;
317 case HID_DG_TIPPRESSURE:
318 if (quirks & MT_QUIRK_EGALAX_XYZ_FIXUP)
319 field->logical_minimum = 0;
320 hid_map_usage(hi, usage, bit, max,
321 EV_ABS, ABS_MT_PRESSURE);
322 set_abs(hi->input, ABS_MT_PRESSURE, field,
323 cls->sn_pressure);
324 /* touchscreen emulation */
325 set_abs(hi->input, ABS_PRESSURE, field,
326 cls->sn_pressure);
327 if (td->last_mt_collection == usage->collection_index) {
328 td->last_slot_field = usage->hid;
329 td->last_field_index = field->index;
331 return 1;
332 case HID_DG_CONTACTCOUNT:
333 if (td->last_mt_collection == usage->collection_index)
334 td->last_field_index = field->index;
335 return 1;
336 case HID_DG_CONTACTMAX:
337 /* we don't set td->last_slot_field as contactcount and
338 * contact max are global to the report */
339 if (td->last_mt_collection == usage->collection_index)
340 td->last_field_index = field->index;
341 return -1;
343 /* let hid-input decide for the others */
344 return 0;
346 case 0xff000000:
347 /* we do not want to map these: no input-oriented meaning */
348 return -1;
351 return 0;
354 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
355 struct hid_field *field, struct hid_usage *usage,
356 unsigned long **bit, int *max)
358 if (usage->type == EV_KEY || usage->type == EV_ABS)
359 set_bit(usage->type, hi->input->evbit);
361 return -1;
364 static int mt_compute_slot(struct mt_device *td)
366 __s32 quirks = td->mtclass->quirks;
368 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
369 return td->curdata.contactid;
371 if (quirks & MT_QUIRK_CYPRESS)
372 return cypress_compute_slot(td);
374 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
375 return td->num_received;
377 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
378 return td->curdata.contactid - 1;
380 return find_slot_from_contactid(td);
384 * this function is called when a whole contact has been processed,
385 * so that it can assign it to a slot and store the data there
387 static void mt_complete_slot(struct mt_device *td)
389 td->curdata.seen_in_this_frame = true;
390 if (td->curvalid) {
391 int slotnum = mt_compute_slot(td);
393 if (slotnum >= 0 && slotnum < td->maxcontacts)
394 td->slots[slotnum] = td->curdata;
396 td->num_received++;
401 * this function is called when a whole packet has been received and processed,
402 * so that it can decide what to send to the input layer.
404 static void mt_emit_event(struct mt_device *td, struct input_dev *input)
406 int i;
408 for (i = 0; i < td->maxcontacts; ++i) {
409 struct mt_slot *s = &(td->slots[i]);
410 if ((td->mtclass->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
411 !s->seen_in_this_frame) {
412 s->touch_state = false;
415 input_mt_slot(input, i);
416 input_mt_report_slot_state(input, MT_TOOL_FINGER,
417 s->touch_state);
418 if (s->touch_state) {
419 /* this finger is on the screen */
420 int wide = (s->w > s->h);
421 /* divided by two to match visual scale of touch */
422 int major = max(s->w, s->h) >> 1;
423 int minor = min(s->w, s->h) >> 1;
425 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
426 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
427 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
428 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
429 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
430 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
432 s->seen_in_this_frame = false;
436 input_mt_report_pointer_emulation(input, true);
437 input_sync(input);
438 td->num_received = 0;
443 static int mt_event(struct hid_device *hid, struct hid_field *field,
444 struct hid_usage *usage, __s32 value)
446 struct mt_device *td = hid_get_drvdata(hid);
447 __s32 quirks = td->mtclass->quirks;
449 if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
450 switch (usage->hid) {
451 case HID_DG_INRANGE:
452 if (quirks & MT_QUIRK_ALWAYS_VALID)
453 td->curvalid = true;
454 else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
455 td->curvalid = value;
456 break;
457 case HID_DG_TIPSWITCH:
458 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
459 td->curvalid = value;
460 td->curdata.touch_state = value;
461 break;
462 case HID_DG_CONFIDENCE:
463 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
464 td->curvalid = value;
465 break;
466 case HID_DG_CONTACTID:
467 td->curdata.contactid = value;
468 break;
469 case HID_DG_TIPPRESSURE:
470 td->curdata.p = value;
471 break;
472 case HID_GD_X:
473 td->curdata.x = value;
474 break;
475 case HID_GD_Y:
476 td->curdata.y = value;
477 break;
478 case HID_DG_WIDTH:
479 td->curdata.w = value;
480 break;
481 case HID_DG_HEIGHT:
482 td->curdata.h = value;
483 break;
484 case HID_DG_CONTACTCOUNT:
486 * Includes multi-packet support where subsequent
487 * packets are sent with zero contactcount.
489 if (value)
490 td->num_expected = value;
491 break;
493 default:
494 /* fallback to the generic hidinput handling */
495 return 0;
498 if (usage->hid == td->last_slot_field) {
499 mt_complete_slot(td);
502 if (field->index == td->last_field_index
503 && td->num_received >= td->num_expected)
504 mt_emit_event(td, field->hidinput->input);
508 /* we have handled the hidinput part, now remains hiddev */
509 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
510 hid->hiddev_hid_event(hid, field, usage, value);
512 return 1;
515 static void mt_set_input_mode(struct hid_device *hdev)
517 struct mt_device *td = hid_get_drvdata(hdev);
518 struct hid_report *r;
519 struct hid_report_enum *re;
521 if (td->inputmode < 0)
522 return;
524 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
525 r = re->report_id_hash[td->inputmode];
526 if (r) {
527 r->field[0]->value[0] = 0x02;
528 usbhid_submit_report(hdev, r, USB_DIR_OUT);
532 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
534 int ret, i;
535 struct mt_device *td;
536 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
538 for (i = 0; mt_classes[i].name ; i++) {
539 if (id->driver_data == mt_classes[i].name) {
540 mtclass = &(mt_classes[i]);
541 break;
545 /* This allows the driver to correctly support devices
546 * that emit events over several HID messages.
548 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
550 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
551 if (!td) {
552 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
553 return -ENOMEM;
555 td->mtclass = mtclass;
556 td->inputmode = -1;
557 td->last_mt_collection = -1;
558 hid_set_drvdata(hdev, td);
560 ret = hid_parse(hdev);
561 if (ret != 0)
562 goto fail;
564 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
565 if (ret)
566 goto fail;
568 td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
569 GFP_KERNEL);
570 if (!td->slots) {
571 dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
572 hid_hw_stop(hdev);
573 ret = -ENOMEM;
574 goto fail;
577 mt_set_input_mode(hdev);
579 return 0;
581 fail:
582 kfree(td);
583 return ret;
586 #ifdef CONFIG_PM
587 static int mt_reset_resume(struct hid_device *hdev)
589 mt_set_input_mode(hdev);
590 return 0;
592 #endif
594 static void mt_remove(struct hid_device *hdev)
596 struct mt_device *td = hid_get_drvdata(hdev);
597 hid_hw_stop(hdev);
598 kfree(td->slots);
599 kfree(td);
600 hid_set_drvdata(hdev, NULL);
603 static const struct hid_device_id mt_devices[] = {
605 /* 3M panels */
606 { .driver_data = MT_CLS_3M,
607 HID_USB_DEVICE(USB_VENDOR_ID_3M,
608 USB_DEVICE_ID_3M1968) },
609 { .driver_data = MT_CLS_3M,
610 HID_USB_DEVICE(USB_VENDOR_ID_3M,
611 USB_DEVICE_ID_3M2256) },
612 { .driver_data = MT_CLS_3M,
613 HID_USB_DEVICE(USB_VENDOR_ID_3M,
614 USB_DEVICE_ID_3M3266) },
616 /* ActionStar panels */
617 { .driver_data = MT_CLS_DEFAULT,
618 HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
619 USB_DEVICE_ID_ACTIONSTAR_1011) },
621 /* Atmel panels */
622 { .driver_data = MT_CLS_SERIAL,
623 HID_USB_DEVICE(USB_VENDOR_ID_ATMEL,
624 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
626 /* Cando panels */
627 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
628 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
629 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
630 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
631 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
632 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
633 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
634 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
635 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
636 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
637 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
638 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
640 /* Chunghwa Telecom touch panels */
641 { .driver_data = MT_CLS_DEFAULT,
642 HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
643 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
645 /* CVTouch panels */
646 { .driver_data = MT_CLS_DEFAULT,
647 HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
648 USB_DEVICE_ID_CVTOUCH_SCREEN) },
650 /* Cypress panel */
651 { .driver_data = MT_CLS_CYPRESS,
652 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
653 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
655 /* eGalax devices (resistive) */
656 { .driver_data = MT_CLS_EGALAX,
657 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
658 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
659 { .driver_data = MT_CLS_EGALAX,
660 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
661 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
663 /* eGalax devices (capacitive) */
664 { .driver_data = MT_CLS_EGALAX,
665 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
666 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
667 { .driver_data = MT_CLS_EGALAX,
668 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
669 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
670 { .driver_data = MT_CLS_EGALAX,
671 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
672 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
673 { .driver_data = MT_CLS_EGALAX,
674 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
675 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
676 { .driver_data = MT_CLS_EGALAX,
677 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
678 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
679 { .driver_data = MT_CLS_EGALAX,
680 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
681 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
683 /* Elo TouchSystems IntelliTouch Plus panel */
684 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
685 HID_USB_DEVICE(USB_VENDOR_ID_ELO,
686 USB_DEVICE_ID_ELO_TS2515) },
688 /* GeneralTouch panel */
689 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
690 HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
691 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
693 /* GoodTouch panels */
694 { .driver_data = MT_CLS_DEFAULT,
695 HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
696 USB_DEVICE_ID_GOODTOUCH_000f) },
698 /* Hanvon panels */
699 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
700 HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
701 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
703 /* Ideacom panel */
704 { .driver_data = MT_CLS_SERIAL,
705 HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
706 USB_DEVICE_ID_IDEACOM_IDC6650) },
708 /* Ilitek dual touch panel */
709 { .driver_data = MT_CLS_DEFAULT,
710 HID_USB_DEVICE(USB_VENDOR_ID_ILITEK,
711 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
713 /* IRTOUCH panels */
714 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
715 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
716 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
718 /* LG Display panels */
719 { .driver_data = MT_CLS_DEFAULT,
720 HID_USB_DEVICE(USB_VENDOR_ID_LG,
721 USB_DEVICE_ID_LG_MULTITOUCH) },
723 /* Lumio panels */
724 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
725 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
726 USB_DEVICE_ID_CRYSTALTOUCH) },
727 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
728 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
729 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
731 /* MosArt panels */
732 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
733 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
734 USB_DEVICE_ID_ASUS_T91MT)},
735 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
736 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
737 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
738 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
739 HID_USB_DEVICE(USB_VENDOR_ID_TURBOX,
740 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
742 /* PenMount panels */
743 { .driver_data = MT_CLS_CONFIDENCE,
744 HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
745 USB_DEVICE_ID_PENMOUNT_PCI) },
747 /* PixCir-based panels */
748 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
749 HID_USB_DEVICE(USB_VENDOR_ID_HANVON,
750 USB_DEVICE_ID_HANVON_MULTITOUCH) },
751 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
752 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
753 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
755 /* Stantum panels */
756 { .driver_data = MT_CLS_CONFIDENCE,
757 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
758 USB_DEVICE_ID_MTP)},
759 { .driver_data = MT_CLS_CONFIDENCE,
760 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
761 USB_DEVICE_ID_MTP_STM)},
762 { .driver_data = MT_CLS_CONFIDENCE,
763 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
764 USB_DEVICE_ID_MTP_SITRONIX)},
766 /* Touch International panels */
767 { .driver_data = MT_CLS_DEFAULT,
768 HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
769 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
771 /* Unitec panels */
772 { .driver_data = MT_CLS_DEFAULT,
773 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
774 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
775 { .driver_data = MT_CLS_DEFAULT,
776 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
777 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
778 /* XAT */
779 { .driver_data = MT_CLS_DEFAULT,
780 HID_USB_DEVICE(USB_VENDOR_ID_XAT,
781 USB_DEVICE_ID_XAT_CSR) },
783 /* Xiroku */
784 { .driver_data = MT_CLS_DEFAULT,
785 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
786 USB_DEVICE_ID_XIROKU_SPX) },
787 { .driver_data = MT_CLS_DEFAULT,
788 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
789 USB_DEVICE_ID_XIROKU_MPX) },
790 { .driver_data = MT_CLS_DEFAULT,
791 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
792 USB_DEVICE_ID_XIROKU_CSR) },
793 { .driver_data = MT_CLS_DEFAULT,
794 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
795 USB_DEVICE_ID_XIROKU_SPX1) },
796 { .driver_data = MT_CLS_DEFAULT,
797 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
798 USB_DEVICE_ID_XIROKU_MPX1) },
799 { .driver_data = MT_CLS_DEFAULT,
800 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
801 USB_DEVICE_ID_XIROKU_CSR1) },
802 { .driver_data = MT_CLS_DEFAULT,
803 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
804 USB_DEVICE_ID_XIROKU_SPX2) },
805 { .driver_data = MT_CLS_DEFAULT,
806 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
807 USB_DEVICE_ID_XIROKU_MPX2) },
808 { .driver_data = MT_CLS_DEFAULT,
809 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
810 USB_DEVICE_ID_XIROKU_CSR2) },
814 MODULE_DEVICE_TABLE(hid, mt_devices);
816 static const struct hid_usage_id mt_grabbed_usages[] = {
817 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
818 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
821 static struct hid_driver mt_driver = {
822 .name = "hid-multitouch",
823 .id_table = mt_devices,
824 .probe = mt_probe,
825 .remove = mt_remove,
826 .input_mapping = mt_input_mapping,
827 .input_mapped = mt_input_mapped,
828 .feature_mapping = mt_feature_mapping,
829 .usage_table = mt_grabbed_usages,
830 .event = mt_event,
831 #ifdef CONFIG_PM
832 .reset_resume = mt_reset_resume,
833 #endif
836 static int __init mt_init(void)
838 return hid_register_driver(&mt_driver);
841 static void __exit mt_exit(void)
843 hid_unregister_driver(&mt_driver);
846 module_init(mt_init);
847 module_exit(mt_exit);