2 * HID driver for multitouch panels
4 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
5 * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
7 * Copyright (c) 2012-2013 Red Hat, Inc
9 * This code is partly based on hid-egalax.c:
11 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
12 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
13 * Copyright (c) 2010 Canonical, Ltd.
15 * This code is partly based on hid-3m-pct.c:
17 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
18 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
19 * Copyright (c) 2010 Canonical, Ltd.
24 * This program is free software; you can redistribute it and/or modify it
25 * under the terms of the GNU General Public License as published by the Free
26 * Software Foundation; either version 2 of the License, or (at your option)
31 * This driver is regularly tested thanks to the tool hid-test[1].
32 * This tool relies on hid-replay[2] and a database of hid devices[3].
33 * Please run these regression tests before patching this module so that
34 * your patch won't break existing known devices.
36 * [1] https://github.com/bentiss/hid-test
37 * [2] https://github.com/bentiss/hid-replay
38 * [3] https://github.com/bentiss/hid-devices
41 #include <linux/device.h>
42 #include <linux/hid.h>
43 #include <linux/module.h>
44 #include <linux/slab.h>
45 #include <linux/usb.h>
46 #include <linux/input/mt.h>
47 #include <linux/string.h>
50 MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
51 MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
52 MODULE_DESCRIPTION("HID multitouch panels");
53 MODULE_LICENSE("GPL");
57 /* quirks to control the device */
58 #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
59 #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
60 #define MT_QUIRK_CYPRESS (1 << 2)
61 #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
62 #define MT_QUIRK_ALWAYS_VALID (1 << 4)
63 #define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
64 #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
65 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
66 #define MT_QUIRK_NO_AREA (1 << 9)
67 #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
68 #define MT_QUIRK_HOVERING (1 << 11)
69 #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
72 __s32 x, y, cx, cy, p, w, h;
73 __s32 contactid; /* the device ContactID assigned to this slot */
74 bool touch_state; /* is the touch valid? */
75 bool inrange_state; /* is the finger in proximity of the sensor? */
79 __s32 name; /* MT_CLS */
81 __s32 sn_move; /* Signal/noise ratio for move events */
82 __s32 sn_width; /* Signal/noise ratio for width events */
83 __s32 sn_height; /* Signal/noise ratio for height events */
84 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
86 bool is_indirect; /* true for touchpads */
90 unsigned usages[HID_MAX_FIELDS];
95 struct mt_slot curdata; /* placeholder of incoming data */
96 struct mt_class mtclass; /* our mt device class */
97 struct mt_fields *fields; /* temporary placeholder for storing the
99 int cc_index; /* contact count field index in the report */
100 int cc_value_index; /* contact count value index in the field */
101 unsigned last_slot_field; /* the last field of a slot */
102 unsigned mt_report_id; /* the report ID of the multitouch device */
103 unsigned pen_report_id; /* the report ID of the pen device */
104 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
105 __s8 inputmode_index; /* InputMode HID feature index in the report */
106 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
107 -1 if non-existent */
108 __u8 num_received; /* how many contacts we received */
109 __u8 num_expected; /* expected last contact index */
111 __u8 touches_by_report; /* how many touches are present in one report:
112 * 1 means we should use a serial protocol
113 * > 1 means hybrid (multitouch) protocol */
114 bool serial_maybe; /* need to check for serial protocol */
115 bool curvalid; /* is the current contact valid? */
116 unsigned mt_flags; /* flags to pass to input-mt */
119 static void mt_post_parse_default_settings(struct mt_device *td);
120 static void mt_post_parse(struct mt_device *td);
122 /* classes of device behavior */
123 #define MT_CLS_DEFAULT 0x0001
125 #define MT_CLS_SERIAL 0x0002
126 #define MT_CLS_CONFIDENCE 0x0003
127 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
128 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
129 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
130 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
131 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
132 #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
133 #define MT_CLS_NSMU 0x000a
134 #define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
135 #define MT_CLS_DUAL_CONTACT_ID 0x0011
137 /* vendor specific classes */
138 #define MT_CLS_3M 0x0101
139 #define MT_CLS_CYPRESS 0x0102
140 #define MT_CLS_EGALAX 0x0103
141 #define MT_CLS_EGALAX_SERIAL 0x0104
142 #define MT_CLS_TOPSEED 0x0105
143 #define MT_CLS_PANASONIC 0x0106
144 #define MT_CLS_FLATFROG 0x0107
145 #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
146 #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
148 #define MT_DEFAULT_MAXCONTACT 10
149 #define MT_MAX_MAXCONTACT 250
151 #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
152 #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
155 * these device-dependent functions determine what slot corresponds
156 * to a valid contact that was just read.
159 static int cypress_compute_slot(struct mt_device *td)
161 if (td->curdata.contactid != 0 || td->num_received == 0)
162 return td->curdata.contactid;
167 static struct mt_class mt_classes[] = {
168 { .name = MT_CLS_DEFAULT,
169 .quirks = MT_QUIRK_ALWAYS_VALID |
170 MT_QUIRK_CONTACT_CNT_ACCURATE },
171 { .name = MT_CLS_NSMU,
172 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
173 { .name = MT_CLS_SERIAL,
174 .quirks = MT_QUIRK_ALWAYS_VALID},
175 { .name = MT_CLS_CONFIDENCE,
176 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
177 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
178 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
179 MT_QUIRK_SLOT_IS_CONTACTID },
180 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
181 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
182 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
183 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
184 .quirks = MT_QUIRK_VALID_IS_INRANGE |
185 MT_QUIRK_SLOT_IS_CONTACTID,
187 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
188 .quirks = MT_QUIRK_VALID_IS_INRANGE |
189 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
191 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
192 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
193 MT_QUIRK_SLOT_IS_CONTACTID,
195 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
196 .quirks = MT_QUIRK_VALID_IS_INRANGE |
197 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
198 { .name = MT_CLS_DUAL_CONTACT_NUMBER,
199 .quirks = MT_QUIRK_ALWAYS_VALID |
200 MT_QUIRK_CONTACT_CNT_ACCURATE |
201 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
203 { .name = MT_CLS_DUAL_CONTACT_ID,
204 .quirks = MT_QUIRK_ALWAYS_VALID |
205 MT_QUIRK_CONTACT_CNT_ACCURATE |
206 MT_QUIRK_SLOT_IS_CONTACTID,
210 * vendor specific classes
213 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
214 MT_QUIRK_SLOT_IS_CONTACTID,
220 { .name = MT_CLS_CYPRESS,
221 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
224 { .name = MT_CLS_EGALAX,
225 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
226 MT_QUIRK_VALID_IS_INRANGE,
230 { .name = MT_CLS_EGALAX_SERIAL,
231 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
232 MT_QUIRK_ALWAYS_VALID,
236 { .name = MT_CLS_TOPSEED,
237 .quirks = MT_QUIRK_ALWAYS_VALID,
241 { .name = MT_CLS_PANASONIC,
242 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
244 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
245 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
246 MT_QUIRK_VALID_IS_INRANGE |
247 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
250 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
251 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
252 MT_QUIRK_SLOT_IS_CONTACTNUMBER
255 { .name = MT_CLS_FLATFROG,
256 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
264 static ssize_t mt_show_quirks(struct device *dev,
265 struct device_attribute *attr,
268 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
269 struct mt_device *td = hid_get_drvdata(hdev);
271 return sprintf(buf, "%u\n", td->mtclass.quirks);
274 static ssize_t mt_set_quirks(struct device *dev,
275 struct device_attribute *attr,
276 const char *buf, size_t count)
278 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
279 struct mt_device *td = hid_get_drvdata(hdev);
283 if (kstrtoul(buf, 0, &val))
286 td->mtclass.quirks = val;
288 if (td->cc_index < 0)
289 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
294 static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
296 static struct attribute *sysfs_attrs[] = {
297 &dev_attr_quirks.attr,
301 static struct attribute_group mt_attribute_group = {
305 static void mt_feature_mapping(struct hid_device *hdev,
306 struct hid_field *field, struct hid_usage *usage)
308 struct mt_device *td = hid_get_drvdata(hdev);
311 switch (usage->hid) {
312 case HID_DG_INPUTMODE:
313 td->inputmode = field->report->id;
314 td->inputmode_index = 0; /* has to be updated below */
316 for (i=0; i < field->maxusage; i++) {
317 if (field->usage[i].hid == usage->hid) {
318 td->inputmode_index = i;
324 case HID_DG_CONTACTMAX:
325 td->maxcontact_report_id = field->report->id;
326 td->maxcontacts = field->value[0];
327 if (!td->maxcontacts &&
328 field->logical_maximum <= MT_MAX_MAXCONTACT)
329 td->maxcontacts = field->logical_maximum;
330 if (td->mtclass.maxcontacts)
331 /* check if the maxcontacts is given by the class */
332 td->maxcontacts = td->mtclass.maxcontacts;
336 if (field->report_count == 256 && field->report_size == 8) {
337 /* Win 8 devices need special quirks */
338 __s32 *quirks = &td->mtclass.quirks;
339 *quirks |= MT_QUIRK_ALWAYS_VALID;
340 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
341 *quirks |= MT_QUIRK_HOVERING;
342 *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
343 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
344 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
345 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
351 static void set_abs(struct input_dev *input, unsigned int code,
352 struct hid_field *field, int snratio)
354 int fmin = field->logical_minimum;
355 int fmax = field->logical_maximum;
356 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
357 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
358 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
361 static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
362 struct hid_input *hi)
364 struct mt_fields *f = td->fields;
366 if (f->length >= HID_MAX_FIELDS)
369 f->usages[f->length++] = usage->hid;
372 static int mt_pen_input_mapping(struct hid_device *hdev, struct hid_input *hi,
373 struct hid_field *field, struct hid_usage *usage,
374 unsigned long **bit, int *max)
376 struct mt_device *td = hid_get_drvdata(hdev);
378 td->pen_report_id = field->report->id;
383 static int mt_pen_input_mapped(struct hid_device *hdev, struct hid_input *hi,
384 struct hid_field *field, struct hid_usage *usage,
385 unsigned long **bit, int *max)
390 static int mt_pen_event(struct hid_device *hid, struct hid_field *field,
391 struct hid_usage *usage, __s32 value)
393 /* let hid-input handle it */
397 static void mt_pen_report(struct hid_device *hid, struct hid_report *report)
399 struct hid_field *field = report->field[0];
401 input_sync(field->hidinput->input);
404 static void mt_pen_input_configured(struct hid_device *hdev,
405 struct hid_input *hi)
407 /* force BTN_STYLUS to allow tablet matching in udev */
408 __set_bit(BTN_STYLUS, hi->input->keybit);
411 static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
412 struct hid_field *field, struct hid_usage *usage,
413 unsigned long **bit, int *max)
415 struct mt_device *td = hid_get_drvdata(hdev);
416 struct mt_class *cls = &td->mtclass;
418 struct hid_usage *prev_usage = NULL;
420 if (field->application == HID_DG_TOUCHSCREEN)
421 td->mt_flags |= INPUT_MT_DIRECT;
424 * Model touchscreens providing buttons as touchpads.
426 if (field->application == HID_DG_TOUCHPAD ||
427 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
428 td->mt_flags |= INPUT_MT_POINTER;
430 if (usage->usage_index)
431 prev_usage = &field->usage[usage->usage_index - 1];
433 switch (usage->hid & HID_USAGE_PAGE) {
436 switch (usage->hid) {
438 if (prev_usage && (prev_usage->hid == usage->hid)) {
439 hid_map_usage(hi, usage, bit, max,
440 EV_ABS, ABS_MT_TOOL_X);
441 set_abs(hi->input, ABS_MT_TOOL_X, field,
444 hid_map_usage(hi, usage, bit, max,
445 EV_ABS, ABS_MT_POSITION_X);
446 set_abs(hi->input, ABS_MT_POSITION_X, field,
450 mt_store_field(usage, td, hi);
453 if (prev_usage && (prev_usage->hid == usage->hid)) {
454 hid_map_usage(hi, usage, bit, max,
455 EV_ABS, ABS_MT_TOOL_Y);
456 set_abs(hi->input, ABS_MT_TOOL_Y, field,
459 hid_map_usage(hi, usage, bit, max,
460 EV_ABS, ABS_MT_POSITION_Y);
461 set_abs(hi->input, ABS_MT_POSITION_Y, field,
465 mt_store_field(usage, td, hi);
470 case HID_UP_DIGITIZER:
471 switch (usage->hid) {
473 if (cls->quirks & MT_QUIRK_HOVERING) {
474 hid_map_usage(hi, usage, bit, max,
475 EV_ABS, ABS_MT_DISTANCE);
476 input_set_abs_params(hi->input,
477 ABS_MT_DISTANCE, 0, 1, 0, 0);
479 mt_store_field(usage, td, hi);
481 case HID_DG_CONFIDENCE:
482 mt_store_field(usage, td, hi);
484 case HID_DG_TIPSWITCH:
485 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
486 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
487 mt_store_field(usage, td, hi);
489 case HID_DG_CONTACTID:
490 mt_store_field(usage, td, hi);
491 td->touches_by_report++;
492 td->mt_report_id = field->report->id;
495 hid_map_usage(hi, usage, bit, max,
496 EV_ABS, ABS_MT_TOUCH_MAJOR);
497 if (!(cls->quirks & MT_QUIRK_NO_AREA))
498 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
500 mt_store_field(usage, td, hi);
503 hid_map_usage(hi, usage, bit, max,
504 EV_ABS, ABS_MT_TOUCH_MINOR);
505 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
506 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
508 input_set_abs_params(hi->input,
509 ABS_MT_ORIENTATION, 0, 1, 0, 0);
511 mt_store_field(usage, td, hi);
513 case HID_DG_TIPPRESSURE:
514 hid_map_usage(hi, usage, bit, max,
515 EV_ABS, ABS_MT_PRESSURE);
516 set_abs(hi->input, ABS_MT_PRESSURE, field,
518 mt_store_field(usage, td, hi);
520 case HID_DG_CONTACTCOUNT:
521 td->cc_index = field->index;
522 td->cc_value_index = usage->usage_index;
524 case HID_DG_CONTACTMAX:
525 /* we don't set td->last_slot_field as contactcount and
526 * contact max are global to the report */
529 /* Legacy devices use TIPSWITCH and not TOUCH.
530 * Let's just ignore this field. */
533 /* let hid-input decide for the others */
537 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
538 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
539 input_set_capability(hi->input, EV_KEY, code);
543 /* we do not want to map these: no input-oriented meaning */
550 static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
551 struct hid_field *field, struct hid_usage *usage,
552 unsigned long **bit, int *max)
554 if (usage->type == EV_KEY || usage->type == EV_ABS)
555 set_bit(usage->type, hi->input->evbit);
560 static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
562 __s32 quirks = td->mtclass.quirks;
564 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
565 return td->curdata.contactid;
567 if (quirks & MT_QUIRK_CYPRESS)
568 return cypress_compute_slot(td);
570 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
571 return td->num_received;
573 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
574 return td->curdata.contactid - 1;
576 return input_mt_get_slot_by_key(input, td->curdata.contactid);
580 * this function is called when a whole contact has been processed,
581 * so that it can assign it to a slot and store the data there
583 static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
585 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
586 td->num_received >= td->num_expected)
589 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
590 int slotnum = mt_compute_slot(td, input);
591 struct mt_slot *s = &td->curdata;
592 struct input_mt *mt = input->mt;
594 if (slotnum < 0 || slotnum >= td->maxcontacts)
597 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
598 struct input_mt_slot *slot = &mt->slots[slotnum];
599 if (input_mt_is_active(slot) &&
600 input_mt_is_used(mt, slot))
604 input_mt_slot(input, slotnum);
605 input_mt_report_slot_state(input, MT_TOOL_FINGER,
606 s->touch_state || s->inrange_state);
607 if (s->touch_state || s->inrange_state) {
608 /* this finger is in proximity of the sensor */
609 int wide = (s->w > s->h);
610 /* divided by two to match visual scale of touch */
611 int major = max(s->w, s->h) >> 1;
612 int minor = min(s->w, s->h) >> 1;
614 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
615 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
616 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
617 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
618 input_event(input, EV_ABS, ABS_MT_DISTANCE,
620 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
621 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
622 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
623 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
631 * this function is called when a whole packet has been received and processed,
632 * so that it can decide what to send to the input layer.
634 static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
636 input_mt_sync_frame(input);
638 td->num_received = 0;
641 static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
642 struct hid_usage *usage, __s32 value)
644 /* we will handle the hidinput part later, now remains hiddev */
645 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
646 hid->hiddev_hid_event(hid, field, usage, value);
651 static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
652 struct hid_usage *usage, __s32 value)
654 struct mt_device *td = hid_get_drvdata(hid);
655 __s32 quirks = td->mtclass.quirks;
656 struct input_dev *input = field->hidinput->input;
658 if (hid->claimed & HID_CLAIMED_INPUT) {
659 switch (usage->hid) {
661 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
662 td->curvalid = value;
663 if (quirks & MT_QUIRK_HOVERING)
664 td->curdata.inrange_state = value;
666 case HID_DG_TIPSWITCH:
667 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
668 td->curvalid = value;
669 td->curdata.touch_state = value;
671 case HID_DG_CONFIDENCE:
672 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
673 td->curvalid = value;
675 case HID_DG_CONTACTID:
676 td->curdata.contactid = value;
678 case HID_DG_TIPPRESSURE:
679 td->curdata.p = value;
682 if (usage->code == ABS_MT_TOOL_X)
683 td->curdata.cx = value;
685 td->curdata.x = value;
688 if (usage->code == ABS_MT_TOOL_Y)
689 td->curdata.cy = value;
691 td->curdata.y = value;
694 td->curdata.w = value;
697 td->curdata.h = value;
699 case HID_DG_CONTACTCOUNT:
707 input_event(input, usage->type, usage->code,
712 if (usage->usage_index + 1 == field->report_count) {
713 /* we only take into account the last report. */
714 if (usage->hid == td->last_slot_field)
715 mt_complete_slot(td, field->hidinput->input);
721 static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
723 struct mt_device *td = hid_get_drvdata(hid);
724 struct hid_field *field;
729 * Includes multi-packet support where subsequent
730 * packets are sent with zero contactcount.
732 if (td->cc_index >= 0) {
733 struct hid_field *field = report->field[td->cc_index];
734 int value = field->value[td->cc_value_index];
736 td->num_expected = value;
739 for (r = 0; r < report->maxfield; r++) {
740 field = report->field[r];
741 count = field->report_count;
743 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
746 for (n = 0; n < count; n++)
747 mt_process_mt_event(hid, field, &field->usage[n],
751 if (td->num_received >= td->num_expected)
752 mt_sync_frame(td, report->field[0]->hidinput->input);
755 static void mt_touch_input_configured(struct hid_device *hdev,
756 struct hid_input *hi)
758 struct mt_device *td = hid_get_drvdata(hdev);
759 struct mt_class *cls = &td->mtclass;
760 struct input_dev *input = hi->input;
762 if (!td->maxcontacts)
763 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
766 if (td->serial_maybe)
767 mt_post_parse_default_settings(td);
769 if (cls->is_indirect)
770 td->mt_flags |= INPUT_MT_POINTER;
772 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
773 td->mt_flags |= INPUT_MT_DROP_UNUSED;
775 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
780 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
781 struct hid_field *field, struct hid_usage *usage,
782 unsigned long **bit, int *max)
784 /* Only map fields from TouchScreen or TouchPad collections.
785 * We need to ignore fields that belong to other collections
786 * such as Mouse that might have the same GenericDesktop usages. */
787 if (field->application != HID_DG_TOUCHSCREEN &&
788 field->application != HID_DG_PEN &&
789 field->application != HID_DG_TOUCHPAD)
792 if (field->physical == HID_DG_STYLUS)
793 return mt_pen_input_mapping(hdev, hi, field, usage, bit, max);
795 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
798 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
799 struct hid_field *field, struct hid_usage *usage,
800 unsigned long **bit, int *max)
802 if (field->physical == HID_DG_STYLUS)
803 return mt_pen_input_mapped(hdev, hi, field, usage, bit, max);
805 return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
808 static int mt_event(struct hid_device *hid, struct hid_field *field,
809 struct hid_usage *usage, __s32 value)
811 struct mt_device *td = hid_get_drvdata(hid);
813 if (field->report->id == td->mt_report_id)
814 return mt_touch_event(hid, field, usage, value);
816 if (field->report->id == td->pen_report_id)
817 return mt_pen_event(hid, field, usage, value);
819 /* ignore other reports */
823 static void mt_report(struct hid_device *hid, struct hid_report *report)
825 struct mt_device *td = hid_get_drvdata(hid);
827 if (!(hid->claimed & HID_CLAIMED_INPUT))
830 if (report->id == td->mt_report_id)
831 mt_touch_report(hid, report);
833 if (report->id == td->pen_report_id)
834 mt_pen_report(hid, report);
837 static void mt_set_input_mode(struct hid_device *hdev)
839 struct mt_device *td = hid_get_drvdata(hdev);
840 struct hid_report *r;
841 struct hid_report_enum *re;
843 if (td->inputmode < 0)
846 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
847 r = re->report_id_hash[td->inputmode];
849 r->field[0]->value[td->inputmode_index] = 0x02;
850 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
854 static void mt_set_maxcontacts(struct hid_device *hdev)
856 struct mt_device *td = hid_get_drvdata(hdev);
857 struct hid_report *r;
858 struct hid_report_enum *re;
861 if (td->maxcontact_report_id < 0)
864 if (!td->mtclass.maxcontacts)
867 re = &hdev->report_enum[HID_FEATURE_REPORT];
868 r = re->report_id_hash[td->maxcontact_report_id];
870 max = td->mtclass.maxcontacts;
871 fieldmax = r->field[0]->logical_maximum;
872 max = min(fieldmax, max);
873 if (r->field[0]->value[0] != max) {
874 r->field[0]->value[0] = max;
875 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
880 static void mt_post_parse_default_settings(struct mt_device *td)
882 __s32 quirks = td->mtclass.quirks;
884 /* unknown serial device needs special quirks */
885 if (td->touches_by_report == 1) {
886 quirks |= MT_QUIRK_ALWAYS_VALID;
887 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
888 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
889 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
890 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
893 td->mtclass.quirks = quirks;
896 static void mt_post_parse(struct mt_device *td)
898 struct mt_fields *f = td->fields;
899 struct mt_class *cls = &td->mtclass;
901 if (td->touches_by_report > 0) {
902 int field_count_per_touch = f->length / td->touches_by_report;
903 td->last_slot_field = f->usages[field_count_per_touch - 1];
906 if (td->cc_index < 0)
907 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
910 static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
912 struct mt_device *td = hid_get_drvdata(hdev);
914 const char *suffix = NULL;
916 if (hi->report->id == td->mt_report_id)
917 mt_touch_input_configured(hdev, hi);
919 if (hi->report->field[0]->physical == HID_DG_STYLUS) {
921 mt_pen_input_configured(hdev, hi);
925 name = devm_kzalloc(&hi->input->dev,
926 strlen(hdev->name) + strlen(suffix) + 2,
929 sprintf(name, "%s %s", hdev->name, suffix);
930 hi->input->name = name;
935 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
938 struct mt_device *td;
939 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
941 for (i = 0; mt_classes[i].name ; i++) {
942 if (id->driver_data == mt_classes[i].name) {
943 mtclass = &(mt_classes[i]);
948 /* This allows the driver to correctly support devices
949 * that emit events over several HID messages.
951 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
954 * This allows the driver to handle different input sensors
955 * that emits events through different reports on the same HID
958 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
959 hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
961 td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL);
963 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
966 td->mtclass = *mtclass;
968 td->maxcontact_report_id = -1;
970 td->mt_report_id = -1;
971 td->pen_report_id = -1;
972 hid_set_drvdata(hdev, td);
974 td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),
977 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
981 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
982 td->serial_maybe = true;
984 ret = hid_parse(hdev);
988 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
992 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
994 mt_set_maxcontacts(hdev);
995 mt_set_input_mode(hdev);
997 /* release .fields memory as it is not used anymore */
998 devm_kfree(&hdev->dev, td->fields);
1005 static int mt_reset_resume(struct hid_device *hdev)
1007 mt_set_maxcontacts(hdev);
1008 mt_set_input_mode(hdev);
1012 static int mt_resume(struct hid_device *hdev)
1014 /* Some Elan legacy devices require SET_IDLE to be set on resume.
1015 * It should be safe to send it to other devices too.
1016 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
1018 hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
1024 static void mt_remove(struct hid_device *hdev)
1026 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
1030 static const struct hid_device_id mt_devices[] = {
1033 { .driver_data = MT_CLS_3M,
1034 MT_USB_DEVICE(USB_VENDOR_ID_3M,
1035 USB_DEVICE_ID_3M1968) },
1036 { .driver_data = MT_CLS_3M,
1037 MT_USB_DEVICE(USB_VENDOR_ID_3M,
1038 USB_DEVICE_ID_3M2256) },
1039 { .driver_data = MT_CLS_3M,
1040 MT_USB_DEVICE(USB_VENDOR_ID_3M,
1041 USB_DEVICE_ID_3M3266) },
1043 /* ActionStar panels */
1044 { .driver_data = MT_CLS_NSMU,
1045 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
1046 USB_DEVICE_ID_ACTIONSTAR_1011) },
1049 { .driver_data = MT_CLS_SERIAL,
1050 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
1051 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
1052 { .driver_data = MT_CLS_SERIAL,
1053 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
1054 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
1056 /* Baanto multitouch devices */
1057 { .driver_data = MT_CLS_NSMU,
1058 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
1059 USB_DEVICE_ID_BAANTO_MT_190W2) },
1061 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
1062 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1063 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1064 { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
1065 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1066 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1067 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
1068 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1069 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1070 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
1071 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1072 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1074 /* Chunghwa Telecom touch panels */
1075 { .driver_data = MT_CLS_NSMU,
1076 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
1077 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1079 /* CVTouch panels */
1080 { .driver_data = MT_CLS_NSMU,
1081 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
1082 USB_DEVICE_ID_CVTOUCH_SCREEN) },
1085 { .driver_data = MT_CLS_CYPRESS,
1086 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
1087 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1089 /* Data Modul easyMaxTouch */
1090 { .driver_data = MT_CLS_DEFAULT,
1091 MT_USB_DEVICE(USB_VENDOR_ID_DATA_MODUL,
1092 USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH) },
1094 /* eGalax devices (resistive) */
1095 { .driver_data = MT_CLS_EGALAX,
1096 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1097 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1098 { .driver_data = MT_CLS_EGALAX,
1099 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1100 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1102 /* eGalax devices (capacitive) */
1103 { .driver_data = MT_CLS_EGALAX_SERIAL,
1104 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1105 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
1106 { .driver_data = MT_CLS_EGALAX,
1107 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1108 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1109 { .driver_data = MT_CLS_EGALAX_SERIAL,
1110 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1111 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1112 { .driver_data = MT_CLS_EGALAX_SERIAL,
1113 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1114 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
1115 { .driver_data = MT_CLS_EGALAX_SERIAL,
1116 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1117 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
1118 { .driver_data = MT_CLS_EGALAX_SERIAL,
1119 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1120 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
1121 { .driver_data = MT_CLS_EGALAX,
1122 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1123 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1124 { .driver_data = MT_CLS_EGALAX,
1125 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1126 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1127 { .driver_data = MT_CLS_EGALAX_SERIAL,
1128 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1129 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
1130 { .driver_data = MT_CLS_EGALAX,
1131 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1132 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
1133 { .driver_data = MT_CLS_EGALAX,
1134 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1135 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1136 { .driver_data = MT_CLS_EGALAX,
1137 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1138 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
1139 { .driver_data = MT_CLS_EGALAX,
1140 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1141 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1142 { .driver_data = MT_CLS_EGALAX_SERIAL,
1143 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1144 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1145 { .driver_data = MT_CLS_EGALAX_SERIAL,
1146 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1147 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1148 { .driver_data = MT_CLS_EGALAX_SERIAL,
1149 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1150 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1152 /* Elo TouchSystems IntelliTouch Plus panel */
1153 { .driver_data = MT_CLS_DUAL_CONTACT_ID,
1154 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
1155 USB_DEVICE_ID_ELO_TS2515) },
1157 /* Flatfrog Panels */
1158 { .driver_data = MT_CLS_FLATFROG,
1159 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1160 USB_DEVICE_ID_MULTITOUCH_3200) },
1162 /* GeneralTouch panel */
1163 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
1164 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1165 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1166 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1167 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1168 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
1170 /* Gametel game controller */
1171 { .driver_data = MT_CLS_NSMU,
1172 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
1173 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1175 /* GoodTouch panels */
1176 { .driver_data = MT_CLS_NSMU,
1177 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
1178 USB_DEVICE_ID_GOODTOUCH_000f) },
1181 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1182 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
1183 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1186 { .driver_data = MT_CLS_SERIAL,
1187 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
1188 USB_DEVICE_ID_IDEACOM_IDC6650) },
1189 { .driver_data = MT_CLS_SERIAL,
1190 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
1191 USB_DEVICE_ID_IDEACOM_IDC6651) },
1193 /* Ilitek dual touch panel */
1194 { .driver_data = MT_CLS_NSMU,
1195 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
1196 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1198 /* IRTOUCH panels */
1199 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1200 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
1201 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1203 /* LG Display panels */
1204 { .driver_data = MT_CLS_DEFAULT,
1205 MT_USB_DEVICE(USB_VENDOR_ID_LG,
1206 USB_DEVICE_ID_LG_MULTITOUCH) },
1209 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1210 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
1211 USB_DEVICE_ID_CRYSTALTOUCH) },
1212 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1213 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
1214 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1217 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1218 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
1219 USB_DEVICE_ID_ASUS_T91MT)},
1220 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1221 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
1222 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1223 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1224 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
1225 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1228 { .driver_data = MT_CLS_DEFAULT,
1229 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
1230 USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
1232 /* Panasonic panels */
1233 { .driver_data = MT_CLS_PANASONIC,
1234 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
1235 USB_DEVICE_ID_PANABOARD_UBT780) },
1236 { .driver_data = MT_CLS_PANASONIC,
1237 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
1238 USB_DEVICE_ID_PANABOARD_UBT880) },
1241 { .driver_data = MT_CLS_NSMU,
1242 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
1243 USB_DEVICE_ID_NOVATEK_PCT) },
1245 /* PenMount panels */
1246 { .driver_data = MT_CLS_CONFIDENCE,
1247 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
1248 USB_DEVICE_ID_PENMOUNT_PCI) },
1250 /* PixArt optical touch screen */
1251 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1252 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1253 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1254 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1255 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1256 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1257 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1258 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1259 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1261 /* PixCir-based panels */
1262 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1263 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
1264 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1265 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1266 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1267 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1269 /* Quanta-based panels */
1270 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1271 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1272 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1273 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1274 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1275 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1276 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1277 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1278 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1280 /* Stantum panels */
1281 { .driver_data = MT_CLS_CONFIDENCE,
1282 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
1283 USB_DEVICE_ID_MTP)},
1284 { .driver_data = MT_CLS_CONFIDENCE,
1285 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
1286 USB_DEVICE_ID_MTP_STM)},
1287 { .driver_data = MT_CLS_DEFAULT,
1288 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
1289 USB_DEVICE_ID_MTP_SITRONIX)},
1291 /* TopSeed panels */
1292 { .driver_data = MT_CLS_TOPSEED,
1293 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
1294 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1296 /* Touch International panels */
1297 { .driver_data = MT_CLS_NSMU,
1298 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
1299 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1302 { .driver_data = MT_CLS_NSMU,
1303 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1304 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1305 { .driver_data = MT_CLS_NSMU,
1306 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1307 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1309 { .driver_data = MT_CLS_NSMU,
1310 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
1311 USB_DEVICE_ID_XAT_CSR) },
1314 { .driver_data = MT_CLS_NSMU,
1315 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1316 USB_DEVICE_ID_XIROKU_SPX) },
1317 { .driver_data = MT_CLS_NSMU,
1318 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1319 USB_DEVICE_ID_XIROKU_MPX) },
1320 { .driver_data = MT_CLS_NSMU,
1321 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1322 USB_DEVICE_ID_XIROKU_CSR) },
1323 { .driver_data = MT_CLS_NSMU,
1324 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1325 USB_DEVICE_ID_XIROKU_SPX1) },
1326 { .driver_data = MT_CLS_NSMU,
1327 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1328 USB_DEVICE_ID_XIROKU_MPX1) },
1329 { .driver_data = MT_CLS_NSMU,
1330 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1331 USB_DEVICE_ID_XIROKU_CSR1) },
1332 { .driver_data = MT_CLS_NSMU,
1333 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1334 USB_DEVICE_ID_XIROKU_SPX2) },
1335 { .driver_data = MT_CLS_NSMU,
1336 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1337 USB_DEVICE_ID_XIROKU_MPX2) },
1338 { .driver_data = MT_CLS_NSMU,
1339 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1340 USB_DEVICE_ID_XIROKU_CSR2) },
1342 /* Zytronic panels */
1343 { .driver_data = MT_CLS_SERIAL,
1344 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1345 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1347 /* Generic MT device */
1348 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
1351 MODULE_DEVICE_TABLE(hid, mt_devices);
1353 static const struct hid_usage_id mt_grabbed_usages[] = {
1354 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1355 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1358 static struct hid_driver mt_driver = {
1359 .name = "hid-multitouch",
1360 .id_table = mt_devices,
1362 .remove = mt_remove,
1363 .input_mapping = mt_input_mapping,
1364 .input_mapped = mt_input_mapped,
1365 .input_configured = mt_input_configured,
1366 .feature_mapping = mt_feature_mapping,
1367 .usage_table = mt_grabbed_usages,
1369 .report = mt_report,
1371 .reset_resume = mt_reset_resume,
1372 .resume = mt_resume,
1375 module_hid_driver(mt_driver);