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 __s16 inputmode; /* InputMode HID feature, -1 if non-existent */
105 __s16 inputmode_index; /* InputMode HID feature index in the report */
106 __s16 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_CONTACTID,
250 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
251 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
252 MT_QUIRK_SLOT_IS_CONTACTID
255 { .name = MT_CLS_FLATFROG,
256 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
264 static void mt_free_input_name(struct hid_input *hi)
266 struct hid_device *hdev = hi->report->device;
267 const char *name = hi->input->name;
269 if (name != hdev->name) {
270 hi->input->name = hdev->name;
275 static ssize_t mt_show_quirks(struct device *dev,
276 struct device_attribute *attr,
279 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
280 struct mt_device *td = hid_get_drvdata(hdev);
282 return sprintf(buf, "%u\n", td->mtclass.quirks);
285 static ssize_t mt_set_quirks(struct device *dev,
286 struct device_attribute *attr,
287 const char *buf, size_t count)
289 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
290 struct mt_device *td = hid_get_drvdata(hdev);
294 if (kstrtoul(buf, 0, &val))
297 td->mtclass.quirks = val;
299 if (td->cc_index < 0)
300 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
305 static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
307 static struct attribute *sysfs_attrs[] = {
308 &dev_attr_quirks.attr,
312 static struct attribute_group mt_attribute_group = {
316 static void mt_feature_mapping(struct hid_device *hdev,
317 struct hid_field *field, struct hid_usage *usage)
319 struct mt_device *td = hid_get_drvdata(hdev);
321 switch (usage->hid) {
322 case HID_DG_INPUTMODE:
323 /* Ignore if value index is out of bounds. */
324 if (usage->usage_index >= field->report_count) {
325 dev_err(&hdev->dev, "HID_DG_INPUTMODE out of range\n");
329 td->inputmode = field->report->id;
330 td->inputmode_index = usage->usage_index;
333 case HID_DG_CONTACTMAX:
334 td->maxcontact_report_id = field->report->id;
335 td->maxcontacts = field->value[0];
336 if (!td->maxcontacts &&
337 field->logical_maximum <= MT_MAX_MAXCONTACT)
338 td->maxcontacts = field->logical_maximum;
339 if (td->mtclass.maxcontacts)
340 /* check if the maxcontacts is given by the class */
341 td->maxcontacts = td->mtclass.maxcontacts;
345 if (field->report_count == 256 && field->report_size == 8) {
346 /* Win 8 devices need special quirks */
347 __s32 *quirks = &td->mtclass.quirks;
348 *quirks |= MT_QUIRK_ALWAYS_VALID;
349 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
350 *quirks |= MT_QUIRK_HOVERING;
351 *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
352 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
353 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
354 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
360 static void set_abs(struct input_dev *input, unsigned int code,
361 struct hid_field *field, int snratio)
363 int fmin = field->logical_minimum;
364 int fmax = field->logical_maximum;
365 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
366 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
367 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
370 static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
371 struct hid_input *hi)
373 struct mt_fields *f = td->fields;
375 if (f->length >= HID_MAX_FIELDS)
378 f->usages[f->length++] = usage->hid;
381 static int mt_pen_input_mapping(struct hid_device *hdev, struct hid_input *hi,
382 struct hid_field *field, struct hid_usage *usage,
383 unsigned long **bit, int *max)
385 struct mt_device *td = hid_get_drvdata(hdev);
387 td->pen_report_id = field->report->id;
392 static int mt_pen_input_mapped(struct hid_device *hdev, struct hid_input *hi,
393 struct hid_field *field, struct hid_usage *usage,
394 unsigned long **bit, int *max)
399 static int mt_pen_event(struct hid_device *hid, struct hid_field *field,
400 struct hid_usage *usage, __s32 value)
402 /* let hid-input handle it */
406 static void mt_pen_report(struct hid_device *hid, struct hid_report *report)
408 struct hid_field *field = report->field[0];
410 input_sync(field->hidinput->input);
413 static void mt_pen_input_configured(struct hid_device *hdev,
414 struct hid_input *hi)
416 char *name = kzalloc(strlen(hi->input->name) + 5, GFP_KERNEL);
418 sprintf(name, "%s Pen", hi->input->name);
419 mt_free_input_name(hi);
420 hi->input->name = name;
423 /* force BTN_STYLUS to allow tablet matching in udev */
424 __set_bit(BTN_STYLUS, hi->input->keybit);
427 static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
428 struct hid_field *field, struct hid_usage *usage,
429 unsigned long **bit, int *max)
431 struct mt_device *td = hid_get_drvdata(hdev);
432 struct mt_class *cls = &td->mtclass;
434 struct hid_usage *prev_usage = NULL;
436 if (field->application == HID_DG_TOUCHSCREEN)
437 td->mt_flags |= INPUT_MT_DIRECT;
440 * Model touchscreens providing buttons as touchpads.
442 if (field->application == HID_DG_TOUCHPAD ||
443 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
444 td->mt_flags |= INPUT_MT_POINTER;
446 /* Only map fields from TouchScreen or TouchPad collections.
447 * We need to ignore fields that belong to other collections
448 * such as Mouse that might have the same GenericDesktop usages. */
449 if (field->application == HID_DG_TOUCHSCREEN)
450 set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
451 else if (field->application == HID_DG_TOUCHPAD)
452 set_bit(INPUT_PROP_POINTER, hi->input->propbit);
456 if (usage->usage_index)
457 prev_usage = &field->usage[usage->usage_index - 1];
459 switch (usage->hid & HID_USAGE_PAGE) {
462 switch (usage->hid) {
464 if (prev_usage && (prev_usage->hid == usage->hid)) {
465 hid_map_usage(hi, usage, bit, max,
466 EV_ABS, ABS_MT_TOOL_X);
467 set_abs(hi->input, ABS_MT_TOOL_X, field,
470 hid_map_usage(hi, usage, bit, max,
471 EV_ABS, ABS_MT_POSITION_X);
472 set_abs(hi->input, ABS_MT_POSITION_X, field,
476 mt_store_field(usage, td, hi);
479 if (prev_usage && (prev_usage->hid == usage->hid)) {
480 hid_map_usage(hi, usage, bit, max,
481 EV_ABS, ABS_MT_TOOL_Y);
482 set_abs(hi->input, ABS_MT_TOOL_Y, field,
485 hid_map_usage(hi, usage, bit, max,
486 EV_ABS, ABS_MT_POSITION_Y);
487 set_abs(hi->input, ABS_MT_POSITION_Y, field,
491 mt_store_field(usage, td, hi);
496 case HID_UP_DIGITIZER:
497 switch (usage->hid) {
499 if (cls->quirks & MT_QUIRK_HOVERING) {
500 hid_map_usage(hi, usage, bit, max,
501 EV_ABS, ABS_MT_DISTANCE);
502 input_set_abs_params(hi->input,
503 ABS_MT_DISTANCE, 0, 1, 0, 0);
505 mt_store_field(usage, td, hi);
507 case HID_DG_CONFIDENCE:
508 mt_store_field(usage, td, hi);
510 case HID_DG_TIPSWITCH:
511 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
512 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
513 mt_store_field(usage, td, hi);
515 case HID_DG_CONTACTID:
516 mt_store_field(usage, td, hi);
517 td->touches_by_report++;
518 td->mt_report_id = field->report->id;
521 hid_map_usage(hi, usage, bit, max,
522 EV_ABS, ABS_MT_TOUCH_MAJOR);
523 if (!(cls->quirks & MT_QUIRK_NO_AREA))
524 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
526 mt_store_field(usage, td, hi);
529 hid_map_usage(hi, usage, bit, max,
530 EV_ABS, ABS_MT_TOUCH_MINOR);
531 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
532 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
534 input_set_abs_params(hi->input,
535 ABS_MT_ORIENTATION, 0, 1, 0, 0);
537 mt_store_field(usage, td, hi);
539 case HID_DG_TIPPRESSURE:
540 hid_map_usage(hi, usage, bit, max,
541 EV_ABS, ABS_MT_PRESSURE);
542 set_abs(hi->input, ABS_MT_PRESSURE, field,
544 mt_store_field(usage, td, hi);
546 case HID_DG_CONTACTCOUNT:
547 /* Ignore if indexes are out of bounds. */
548 if (field->index >= field->report->maxfield ||
549 usage->usage_index >= field->report_count)
551 td->cc_index = field->index;
552 td->cc_value_index = usage->usage_index;
554 case HID_DG_CONTACTMAX:
555 /* we don't set td->last_slot_field as contactcount and
556 * contact max are global to the report */
559 /* Legacy devices use TIPSWITCH and not TOUCH.
560 * Let's just ignore this field. */
563 /* let hid-input decide for the others */
567 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
568 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
569 input_set_capability(hi->input, EV_KEY, code);
573 /* we do not want to map these: no input-oriented meaning */
580 static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
581 struct hid_field *field, struct hid_usage *usage,
582 unsigned long **bit, int *max)
584 if (usage->type == EV_KEY || usage->type == EV_ABS)
585 set_bit(usage->type, hi->input->evbit);
590 static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
592 __s32 quirks = td->mtclass.quirks;
594 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
595 return td->curdata.contactid;
597 if (quirks & MT_QUIRK_CYPRESS)
598 return cypress_compute_slot(td);
600 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
601 return td->num_received;
603 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
604 return td->curdata.contactid - 1;
606 return input_mt_get_slot_by_key(input, td->curdata.contactid);
610 * this function is called when a whole contact has been processed,
611 * so that it can assign it to a slot and store the data there
613 static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
615 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
616 td->num_received >= td->num_expected)
619 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
620 int slotnum = mt_compute_slot(td, input);
621 struct mt_slot *s = &td->curdata;
622 struct input_mt *mt = input->mt;
624 if (slotnum < 0 || slotnum >= td->maxcontacts)
627 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
628 struct input_mt_slot *slot = &mt->slots[slotnum];
629 if (input_mt_is_active(slot) &&
630 input_mt_is_used(mt, slot))
634 input_mt_slot(input, slotnum);
635 input_mt_report_slot_state(input, MT_TOOL_FINGER,
636 s->touch_state || s->inrange_state);
637 if (s->touch_state || s->inrange_state) {
638 /* this finger is in proximity of the sensor */
639 int wide = (s->w > s->h);
640 /* divided by two to match visual scale of touch */
641 int major = max(s->w, s->h) >> 1;
642 int minor = min(s->w, s->h) >> 1;
644 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
645 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
646 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
647 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
648 input_event(input, EV_ABS, ABS_MT_DISTANCE,
650 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
651 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
652 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
653 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
661 * this function is called when a whole packet has been received and processed,
662 * so that it can decide what to send to the input layer.
664 static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
666 input_mt_sync_frame(input);
668 td->num_received = 0;
671 static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
672 struct hid_usage *usage, __s32 value)
674 /* we will handle the hidinput part later, now remains hiddev */
675 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
676 hid->hiddev_hid_event(hid, field, usage, value);
681 static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
682 struct hid_usage *usage, __s32 value)
684 struct mt_device *td = hid_get_drvdata(hid);
685 __s32 quirks = td->mtclass.quirks;
686 struct input_dev *input = field->hidinput->input;
688 if (hid->claimed & HID_CLAIMED_INPUT) {
689 switch (usage->hid) {
691 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
692 td->curvalid = value;
693 if (quirks & MT_QUIRK_HOVERING)
694 td->curdata.inrange_state = value;
696 case HID_DG_TIPSWITCH:
697 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
698 td->curvalid = value;
699 td->curdata.touch_state = value;
701 case HID_DG_CONFIDENCE:
702 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
703 td->curvalid = value;
705 case HID_DG_CONTACTID:
706 td->curdata.contactid = value;
708 case HID_DG_TIPPRESSURE:
709 td->curdata.p = value;
712 if (usage->code == ABS_MT_TOOL_X)
713 td->curdata.cx = value;
715 td->curdata.x = value;
718 if (usage->code == ABS_MT_TOOL_Y)
719 td->curdata.cy = value;
721 td->curdata.y = value;
724 td->curdata.w = value;
727 td->curdata.h = value;
729 case HID_DG_CONTACTCOUNT:
737 input_event(input, usage->type, usage->code,
742 if (usage->usage_index + 1 == field->report_count) {
743 /* we only take into account the last report. */
744 if (usage->hid == td->last_slot_field)
745 mt_complete_slot(td, field->hidinput->input);
751 static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
753 struct mt_device *td = hid_get_drvdata(hid);
754 struct hid_field *field;
759 * Includes multi-packet support where subsequent
760 * packets are sent with zero contactcount.
762 if (td->cc_index >= 0) {
763 struct hid_field *field = report->field[td->cc_index];
764 int value = field->value[td->cc_value_index];
766 td->num_expected = value;
769 for (r = 0; r < report->maxfield; r++) {
770 field = report->field[r];
771 count = field->report_count;
773 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
776 for (n = 0; n < count; n++)
777 mt_process_mt_event(hid, field, &field->usage[n],
781 if (td->num_received >= td->num_expected)
782 mt_sync_frame(td, report->field[0]->hidinput->input);
785 static int mt_touch_input_configured(struct hid_device *hdev,
786 struct hid_input *hi)
788 struct mt_device *td = hid_get_drvdata(hdev);
789 struct mt_class *cls = &td->mtclass;
790 struct input_dev *input = hi->input;
793 if (!td->maxcontacts)
794 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
797 if (td->serial_maybe)
798 mt_post_parse_default_settings(td);
800 if (cls->is_indirect)
801 td->mt_flags |= INPUT_MT_POINTER;
803 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
804 td->mt_flags |= INPUT_MT_DROP_UNUSED;
806 ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
814 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
815 struct hid_field *field, struct hid_usage *usage,
816 unsigned long **bit, int *max)
818 /* Only map fields from TouchScreen or TouchPad collections.
819 * We need to ignore fields that belong to other collections
820 * such as Mouse that might have the same GenericDesktop usages. */
821 if (field->application != HID_DG_TOUCHSCREEN &&
822 field->application != HID_DG_PEN &&
823 field->application != HID_DG_TOUCHPAD)
826 if (field->physical == HID_DG_STYLUS)
827 return mt_pen_input_mapping(hdev, hi, field, usage, bit, max);
829 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
832 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
833 struct hid_field *field, struct hid_usage *usage,
834 unsigned long **bit, int *max)
836 if (field->physical == HID_DG_STYLUS)
837 return mt_pen_input_mapped(hdev, hi, field, usage, bit, max);
839 return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
842 static int mt_event(struct hid_device *hid, struct hid_field *field,
843 struct hid_usage *usage, __s32 value)
845 struct mt_device *td = hid_get_drvdata(hid);
847 if (field->report->id == td->mt_report_id)
848 return mt_touch_event(hid, field, usage, value);
850 if (field->report->id == td->pen_report_id)
851 return mt_pen_event(hid, field, usage, value);
853 /* ignore other reports */
857 static void mt_report(struct hid_device *hid, struct hid_report *report)
859 struct mt_device *td = hid_get_drvdata(hid);
861 if (!(hid->claimed & HID_CLAIMED_INPUT))
864 if (report->id == td->mt_report_id)
865 mt_touch_report(hid, report);
867 if (report->id == td->pen_report_id)
868 mt_pen_report(hid, report);
871 static void mt_set_input_mode(struct hid_device *hdev)
873 struct mt_device *td = hid_get_drvdata(hdev);
874 struct hid_report *r;
875 struct hid_report_enum *re;
877 if (td->inputmode < 0)
880 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
881 r = re->report_id_hash[td->inputmode];
883 r->field[0]->value[td->inputmode_index] = 0x02;
884 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
888 static void mt_set_maxcontacts(struct hid_device *hdev)
890 struct mt_device *td = hid_get_drvdata(hdev);
891 struct hid_report *r;
892 struct hid_report_enum *re;
895 if (td->maxcontact_report_id < 0)
898 if (!td->mtclass.maxcontacts)
901 re = &hdev->report_enum[HID_FEATURE_REPORT];
902 r = re->report_id_hash[td->maxcontact_report_id];
904 max = td->mtclass.maxcontacts;
905 fieldmax = r->field[0]->logical_maximum;
906 max = min(fieldmax, max);
907 if (r->field[0]->value[0] != max) {
908 r->field[0]->value[0] = max;
909 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
914 static void mt_post_parse_default_settings(struct mt_device *td)
916 __s32 quirks = td->mtclass.quirks;
918 /* unknown serial device needs special quirks */
919 if (td->touches_by_report == 1) {
920 quirks |= MT_QUIRK_ALWAYS_VALID;
921 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
922 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
923 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
924 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
927 td->mtclass.quirks = quirks;
930 static void mt_post_parse(struct mt_device *td)
932 struct mt_fields *f = td->fields;
933 struct mt_class *cls = &td->mtclass;
935 if (td->touches_by_report > 0) {
936 int field_count_per_touch = f->length / td->touches_by_report;
937 td->last_slot_field = f->usages[field_count_per_touch - 1];
940 if (td->cc_index < 0)
941 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
944 static int mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
946 struct mt_device *td = hid_get_drvdata(hdev);
947 char *name = kstrdup(hdev->name, GFP_KERNEL);
951 hi->input->name = name;
953 if (hi->report->id == td->mt_report_id)
954 ret = mt_touch_input_configured(hdev, hi);
956 if (hi->report->id == td->pen_report_id)
957 mt_pen_input_configured(hdev, hi);
961 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
964 struct mt_device *td;
965 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
966 struct hid_input *hi;
968 for (i = 0; mt_classes[i].name ; i++) {
969 if (id->driver_data == mt_classes[i].name) {
970 mtclass = &(mt_classes[i]);
975 /* This allows the driver to correctly support devices
976 * that emit events over several HID messages.
978 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
981 * This allows the driver to handle different input sensors
982 * that emits events through different reports on the same HID
985 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
986 hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
988 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
990 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
993 td->mtclass = *mtclass;
995 td->maxcontact_report_id = -1;
997 td->mt_report_id = -1;
998 td->pen_report_id = -1;
999 hid_set_drvdata(hdev, td);
1001 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
1003 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
1008 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
1009 td->serial_maybe = true;
1011 ret = hid_parse(hdev);
1015 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1019 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
1021 mt_set_maxcontacts(hdev);
1022 mt_set_input_mode(hdev);
1030 list_for_each_entry(hi, &hdev->inputs, list)
1031 mt_free_input_name(hi);
1039 static int mt_reset_resume(struct hid_device *hdev)
1041 mt_set_maxcontacts(hdev);
1042 mt_set_input_mode(hdev);
1046 static int mt_resume(struct hid_device *hdev)
1048 /* Some Elan legacy devices require SET_IDLE to be set on resume.
1049 * It should be safe to send it to other devices too.
1050 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
1052 hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
1058 static void mt_remove(struct hid_device *hdev)
1060 struct mt_device *td = hid_get_drvdata(hdev);
1061 struct hid_input *hi;
1063 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
1064 list_for_each_entry(hi, &hdev->inputs, list)
1065 mt_free_input_name(hi);
1070 hid_set_drvdata(hdev, NULL);
1073 static const struct hid_device_id mt_devices[] = {
1076 { .driver_data = MT_CLS_3M,
1077 MT_USB_DEVICE(USB_VENDOR_ID_3M,
1078 USB_DEVICE_ID_3M1968) },
1079 { .driver_data = MT_CLS_3M,
1080 MT_USB_DEVICE(USB_VENDOR_ID_3M,
1081 USB_DEVICE_ID_3M2256) },
1082 { .driver_data = MT_CLS_3M,
1083 MT_USB_DEVICE(USB_VENDOR_ID_3M,
1084 USB_DEVICE_ID_3M3266) },
1086 /* ActionStar panels */
1087 { .driver_data = MT_CLS_NSMU,
1088 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
1089 USB_DEVICE_ID_ACTIONSTAR_1011) },
1092 { .driver_data = MT_CLS_SERIAL,
1093 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
1094 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
1095 { .driver_data = MT_CLS_SERIAL,
1096 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
1097 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
1099 /* Baanto multitouch devices */
1100 { .driver_data = MT_CLS_NSMU,
1101 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
1102 USB_DEVICE_ID_BAANTO_MT_190W2) },
1104 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
1105 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1106 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1107 { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
1108 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1109 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1110 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
1111 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1112 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1113 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
1114 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1115 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1117 /* Chunghwa Telecom touch panels */
1118 { .driver_data = MT_CLS_NSMU,
1119 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
1120 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1122 /* CVTouch panels */
1123 { .driver_data = MT_CLS_NSMU,
1124 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
1125 USB_DEVICE_ID_CVTOUCH_SCREEN) },
1128 { .driver_data = MT_CLS_CYPRESS,
1129 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
1130 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1132 /* eGalax devices (resistive) */
1133 { .driver_data = MT_CLS_EGALAX,
1134 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1135 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1136 { .driver_data = MT_CLS_EGALAX,
1137 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1138 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1140 /* eGalax devices (capacitive) */
1141 { .driver_data = MT_CLS_EGALAX,
1142 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1143 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1144 { .driver_data = MT_CLS_EGALAX_SERIAL,
1145 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1146 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
1147 { .driver_data = MT_CLS_EGALAX_SERIAL,
1148 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1149 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
1150 { .driver_data = MT_CLS_EGALAX_SERIAL,
1151 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1152 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1153 { .driver_data = MT_CLS_EGALAX_SERIAL,
1154 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1155 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
1156 { .driver_data = MT_CLS_EGALAX,
1157 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1158 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1159 { .driver_data = MT_CLS_EGALAX_SERIAL,
1160 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1161 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
1162 { .driver_data = MT_CLS_EGALAX,
1163 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1164 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1165 { .driver_data = MT_CLS_EGALAX_SERIAL,
1166 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1167 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
1168 { .driver_data = MT_CLS_EGALAX,
1169 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1170 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
1171 { .driver_data = MT_CLS_EGALAX,
1172 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1173 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1174 { .driver_data = MT_CLS_EGALAX_SERIAL,
1175 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1176 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1177 { .driver_data = MT_CLS_EGALAX_SERIAL,
1178 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1179 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1180 { .driver_data = MT_CLS_EGALAX_SERIAL,
1181 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1182 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1183 { .driver_data = MT_CLS_EGALAX,
1184 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1185 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1186 { .driver_data = MT_CLS_EGALAX,
1187 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1188 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1189 { .driver_data = MT_CLS_EGALAX,
1190 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1191 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
1193 /* Elo TouchSystems IntelliTouch Plus panel */
1194 { .driver_data = MT_CLS_DUAL_CONTACT_ID,
1195 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
1196 USB_DEVICE_ID_ELO_TS2515) },
1198 /* Flatfrog Panels */
1199 { .driver_data = MT_CLS_FLATFROG,
1200 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1201 USB_DEVICE_ID_MULTITOUCH_3200) },
1203 /* GeneralTouch panel */
1204 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
1205 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1206 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1207 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1208 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1209 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
1210 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
1211 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1212 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0101) },
1213 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1214 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1215 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0102) },
1216 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1217 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1218 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_0106) },
1219 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1220 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1221 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_010A) },
1222 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1223 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1224 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PIT_E100) },
1226 /* Gametel game controller */
1227 { .driver_data = MT_CLS_NSMU,
1228 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
1229 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1231 /* GoodTouch panels */
1232 { .driver_data = MT_CLS_NSMU,
1233 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
1234 USB_DEVICE_ID_GOODTOUCH_000f) },
1237 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1238 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
1239 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1242 { .driver_data = MT_CLS_SERIAL,
1243 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
1244 USB_DEVICE_ID_IDEACOM_IDC6650) },
1245 { .driver_data = MT_CLS_SERIAL,
1246 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
1247 USB_DEVICE_ID_IDEACOM_IDC6651) },
1249 /* Ilitek dual touch panel */
1250 { .driver_data = MT_CLS_NSMU,
1251 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
1252 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1254 /* IRTOUCH panels */
1255 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1256 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
1257 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1259 /* LG Display panels */
1260 { .driver_data = MT_CLS_DEFAULT,
1261 MT_USB_DEVICE(USB_VENDOR_ID_LG,
1262 USB_DEVICE_ID_LG_MULTITOUCH) },
1265 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1266 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
1267 USB_DEVICE_ID_CRYSTALTOUCH) },
1268 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1269 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
1270 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1273 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1274 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
1275 USB_DEVICE_ID_ASUS_T91MT)},
1276 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1277 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
1278 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1279 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
1280 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
1281 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1284 { .driver_data = MT_CLS_DEFAULT,
1285 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
1286 USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
1288 /* Panasonic panels */
1289 { .driver_data = MT_CLS_PANASONIC,
1290 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
1291 USB_DEVICE_ID_PANABOARD_UBT780) },
1292 { .driver_data = MT_CLS_PANASONIC,
1293 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
1294 USB_DEVICE_ID_PANABOARD_UBT880) },
1297 { .driver_data = MT_CLS_NSMU,
1298 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
1299 USB_DEVICE_ID_NOVATEK_PCT) },
1301 /* PenMount panels */
1302 { .driver_data = MT_CLS_CONFIDENCE,
1303 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
1304 USB_DEVICE_ID_PENMOUNT_PCI) },
1306 /* PixArt optical touch screen */
1307 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1308 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1309 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1310 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1311 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1312 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1313 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
1314 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
1315 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1317 /* PixCir-based panels */
1318 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1319 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
1320 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1321 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
1322 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
1323 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1325 /* Quanta-based panels */
1326 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1327 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1328 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1329 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1330 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1331 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1332 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1333 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1334 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1337 { .driver_data = MT_CLS_DEFAULT,
1338 HID_USB_DEVICE(USB_VENDOR_ID_SIS2_TOUCH,
1339 USB_DEVICE_ID_SIS9200_TOUCH) },
1340 { .driver_data = MT_CLS_DEFAULT,
1341 HID_USB_DEVICE(USB_VENDOR_ID_SIS2_TOUCH,
1342 USB_DEVICE_ID_SIS817_TOUCH) },
1344 /* Stantum panels */
1345 { .driver_data = MT_CLS_CONFIDENCE,
1346 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
1347 USB_DEVICE_ID_MTP)},
1348 { .driver_data = MT_CLS_CONFIDENCE,
1349 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
1350 USB_DEVICE_ID_MTP_STM)},
1351 { .driver_data = MT_CLS_DEFAULT,
1352 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
1353 USB_DEVICE_ID_MTP_SITRONIX)},
1355 /* TopSeed panels */
1356 { .driver_data = MT_CLS_TOPSEED,
1357 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
1358 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1360 /* Touch International panels */
1361 { .driver_data = MT_CLS_NSMU,
1362 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
1363 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1366 { .driver_data = MT_CLS_NSMU,
1367 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1368 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1369 { .driver_data = MT_CLS_NSMU,
1370 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1371 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1373 /* Wistron panels */
1374 { .driver_data = MT_CLS_NSMU,
1375 MT_USB_DEVICE(USB_VENDOR_ID_WISTRON,
1376 USB_DEVICE_ID_WISTRON_OPTICAL_TOUCH) },
1379 { .driver_data = MT_CLS_NSMU,
1380 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
1381 USB_DEVICE_ID_XAT_CSR) },
1384 { .driver_data = MT_CLS_NSMU,
1385 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1386 USB_DEVICE_ID_XIROKU_SPX) },
1387 { .driver_data = MT_CLS_NSMU,
1388 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1389 USB_DEVICE_ID_XIROKU_MPX) },
1390 { .driver_data = MT_CLS_NSMU,
1391 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1392 USB_DEVICE_ID_XIROKU_CSR) },
1393 { .driver_data = MT_CLS_NSMU,
1394 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1395 USB_DEVICE_ID_XIROKU_SPX1) },
1396 { .driver_data = MT_CLS_NSMU,
1397 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1398 USB_DEVICE_ID_XIROKU_MPX1) },
1399 { .driver_data = MT_CLS_NSMU,
1400 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1401 USB_DEVICE_ID_XIROKU_CSR1) },
1402 { .driver_data = MT_CLS_NSMU,
1403 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1404 USB_DEVICE_ID_XIROKU_SPX2) },
1405 { .driver_data = MT_CLS_NSMU,
1406 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1407 USB_DEVICE_ID_XIROKU_MPX2) },
1408 { .driver_data = MT_CLS_NSMU,
1409 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1410 USB_DEVICE_ID_XIROKU_CSR2) },
1412 /* Zytronic panels */
1413 { .driver_data = MT_CLS_SERIAL,
1414 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1415 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1417 /* Generic MT device */
1418 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
1421 MODULE_DEVICE_TABLE(hid, mt_devices);
1423 static const struct hid_usage_id mt_grabbed_usages[] = {
1424 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1425 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1428 static struct hid_driver mt_driver = {
1429 .name = "hid-multitouch",
1430 .id_table = mt_devices,
1432 .remove = mt_remove,
1433 .input_mapping = mt_input_mapping,
1434 .input_mapped = mt_input_mapped,
1435 .input_configured = mt_input_configured,
1436 .feature_mapping = mt_feature_mapping,
1437 .usage_table = mt_grabbed_usages,
1439 .report = mt_report,
1441 .reset_resume = mt_reset_resume,
1442 .resume = mt_resume,
1445 module_hid_driver(mt_driver);