2 * HID driver for multitouch panels
4 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
5 * Copyright (c) 2010-2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
8 * This code is partly based on hid-egalax.c:
10 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
11 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
12 * Copyright (c) 2010 Canonical, Ltd.
14 * This code is partly based on hid-3m-pct.c:
16 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
17 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
18 * Copyright (c) 2010 Canonical, Ltd.
23 * This program is free software; you can redistribute it and/or modify it
24 * under the terms of the GNU General Public License as published by the Free
25 * Software Foundation; either version 2 of the License, or (at your option)
29 #include <linux/device.h>
30 #include <linux/hid.h>
31 #include <linux/module.h>
32 #include <linux/slab.h>
33 #include <linux/usb.h>
34 #include <linux/input/mt.h>
35 #include "usbhid/usbhid.h"
38 MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
39 MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
40 MODULE_DESCRIPTION("HID multitouch panels");
41 MODULE_LICENSE("GPL");
45 /* quirks to control the device */
46 #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
47 #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
48 #define MT_QUIRK_CYPRESS (1 << 2)
49 #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
50 #define MT_QUIRK_ALWAYS_VALID (1 << 4)
51 #define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
52 #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
53 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
57 __s32 contactid; /* the device ContactID assigned to this slot */
58 bool touch_state; /* is the touch valid? */
59 bool seen_in_this_frame;/* has this slot been updated */
63 __s32 name; /* MT_CLS */
65 __s32 sn_move; /* Signal/noise ratio for move events */
66 __s32 sn_width; /* Signal/noise ratio for width events */
67 __s32 sn_height; /* Signal/noise ratio for height events */
68 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
70 bool is_indirect; /* true for touchpads */
74 unsigned usages[HID_MAX_FIELDS];
79 struct mt_slot curdata; /* placeholder of incoming data */
80 struct mt_class mtclass; /* our mt device class */
81 struct mt_fields *fields; /* temporary placeholder for storing the
83 unsigned last_field_index; /* last field index of the report */
84 unsigned last_slot_field; /* the last field of a slot */
85 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
86 __s8 inputmode_index; /* InputMode HID feature index in the report */
87 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
89 __u8 num_received; /* how many contacts we received */
90 __u8 num_expected; /* expected last contact index */
92 __u8 touches_by_report; /* how many touches are present in one report:
93 * 1 means we should use a serial protocol
94 * > 1 means hybrid (multitouch) protocol */
95 bool curvalid; /* is the current contact valid? */
96 struct mt_slot *slots;
99 /* classes of device behavior */
100 #define MT_CLS_DEFAULT 0x0001
102 #define MT_CLS_SERIAL 0x0002
103 #define MT_CLS_CONFIDENCE 0x0003
104 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
105 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
106 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
107 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
108 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
109 #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
111 /* vendor specific classes */
112 #define MT_CLS_3M 0x0101
113 #define MT_CLS_CYPRESS 0x0102
114 #define MT_CLS_EGALAX 0x0103
115 #define MT_CLS_EGALAX_SERIAL 0x0104
116 #define MT_CLS_TOPSEED 0x0105
117 #define MT_CLS_PANASONIC 0x0106
119 #define MT_DEFAULT_MAXCONTACT 10
121 #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
122 #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
125 * these device-dependent functions determine what slot corresponds
126 * to a valid contact that was just read.
129 static int cypress_compute_slot(struct mt_device *td)
131 if (td->curdata.contactid != 0 || td->num_received == 0)
132 return td->curdata.contactid;
137 static int find_slot_from_contactid(struct mt_device *td)
140 for (i = 0; i < td->maxcontacts; ++i) {
141 if (td->slots[i].contactid == td->curdata.contactid &&
142 td->slots[i].touch_state)
145 for (i = 0; i < td->maxcontacts; ++i) {
146 if (!td->slots[i].seen_in_this_frame &&
147 !td->slots[i].touch_state)
150 /* should not occurs. If this happens that means
151 * that the device sent more touches that it says
152 * in the report descriptor. It is ignored then. */
156 static struct mt_class mt_classes[] = {
157 { .name = MT_CLS_DEFAULT,
158 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
159 { .name = MT_CLS_SERIAL,
160 .quirks = MT_QUIRK_ALWAYS_VALID},
161 { .name = MT_CLS_CONFIDENCE,
162 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
163 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
164 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
165 MT_QUIRK_SLOT_IS_CONTACTID },
166 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
167 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
168 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
169 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
170 .quirks = MT_QUIRK_VALID_IS_INRANGE |
171 MT_QUIRK_SLOT_IS_CONTACTID,
173 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
174 .quirks = MT_QUIRK_VALID_IS_INRANGE |
175 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
177 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
178 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
179 MT_QUIRK_SLOT_IS_CONTACTID,
181 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
182 .quirks = MT_QUIRK_VALID_IS_INRANGE |
183 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
186 * vendor specific classes
189 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
190 MT_QUIRK_SLOT_IS_CONTACTID,
194 { .name = MT_CLS_CYPRESS,
195 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
198 { .name = MT_CLS_EGALAX,
199 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
200 MT_QUIRK_VALID_IS_INRANGE,
204 { .name = MT_CLS_EGALAX_SERIAL,
205 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
206 MT_QUIRK_ALWAYS_VALID,
210 { .name = MT_CLS_TOPSEED,
211 .quirks = MT_QUIRK_ALWAYS_VALID,
215 { .name = MT_CLS_PANASONIC,
216 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
222 static ssize_t mt_show_quirks(struct device *dev,
223 struct device_attribute *attr,
226 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
227 struct mt_device *td = hid_get_drvdata(hdev);
229 return sprintf(buf, "%u\n", td->mtclass.quirks);
232 static ssize_t mt_set_quirks(struct device *dev,
233 struct device_attribute *attr,
234 const char *buf, size_t count)
236 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
237 struct mt_device *td = hid_get_drvdata(hdev);
241 if (kstrtoul(buf, 0, &val))
244 td->mtclass.quirks = val;
249 static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
251 static struct attribute *sysfs_attrs[] = {
252 &dev_attr_quirks.attr,
256 static struct attribute_group mt_attribute_group = {
260 static void mt_feature_mapping(struct hid_device *hdev,
261 struct hid_field *field, struct hid_usage *usage)
263 struct mt_device *td = hid_get_drvdata(hdev);
266 switch (usage->hid) {
267 case HID_DG_INPUTMODE:
268 td->inputmode = field->report->id;
269 td->inputmode_index = 0; /* has to be updated below */
271 for (i=0; i < field->maxusage; i++) {
272 if (field->usage[i].hid == usage->hid) {
273 td->inputmode_index = i;
279 case HID_DG_CONTACTMAX:
280 td->maxcontact_report_id = field->report->id;
281 td->maxcontacts = field->value[0];
282 if (td->mtclass.maxcontacts)
283 /* check if the maxcontacts is given by the class */
284 td->maxcontacts = td->mtclass.maxcontacts;
290 static void set_abs(struct input_dev *input, unsigned int code,
291 struct hid_field *field, int snratio)
293 int fmin = field->logical_minimum;
294 int fmax = field->logical_maximum;
295 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
296 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
299 static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
300 struct hid_input *hi)
302 struct mt_fields *f = td->fields;
304 if (f->length >= HID_MAX_FIELDS)
307 f->usages[f->length++] = usage->hid;
310 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
311 struct hid_field *field, struct hid_usage *usage,
312 unsigned long **bit, int *max)
314 struct mt_device *td = hid_get_drvdata(hdev);
315 struct mt_class *cls = &td->mtclass;
318 /* Only map fields from TouchScreen or TouchPad collections.
319 * We need to ignore fields that belong to other collections
320 * such as Mouse that might have the same GenericDesktop usages. */
321 if (field->application == HID_DG_TOUCHSCREEN)
322 set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
323 else if (field->application != HID_DG_TOUCHPAD)
326 /* In case of an indirect device (touchpad), we need to add
327 * specific BTN_TOOL_* to be handled by the synaptics xorg
329 * We also consider that touchscreens providing buttons are touchpads.
331 if (field->application == HID_DG_TOUCHPAD ||
332 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON ||
334 set_bit(INPUT_PROP_POINTER, hi->input->propbit);
335 set_bit(BTN_TOOL_FINGER, hi->input->keybit);
336 set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit);
337 set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit);
338 set_bit(BTN_TOOL_QUADTAP, hi->input->keybit);
341 /* eGalax devices provide a Digitizer.Stylus input which overrides
342 * the correct Digitizers.Finger X/Y ranges.
343 * Let's just ignore this input. */
344 if (field->physical == HID_DG_STYLUS)
347 switch (usage->hid & HID_USAGE_PAGE) {
350 switch (usage->hid) {
352 hid_map_usage(hi, usage, bit, max,
353 EV_ABS, ABS_MT_POSITION_X);
354 set_abs(hi->input, ABS_MT_POSITION_X, field,
356 /* touchscreen emulation */
357 set_abs(hi->input, ABS_X, field, cls->sn_move);
358 mt_store_field(usage, td, hi);
359 td->last_field_index = field->index;
362 hid_map_usage(hi, usage, bit, max,
363 EV_ABS, ABS_MT_POSITION_Y);
364 set_abs(hi->input, ABS_MT_POSITION_Y, field,
366 /* touchscreen emulation */
367 set_abs(hi->input, ABS_Y, field, cls->sn_move);
368 mt_store_field(usage, td, hi);
369 td->last_field_index = field->index;
374 case HID_UP_DIGITIZER:
375 switch (usage->hid) {
377 mt_store_field(usage, td, hi);
378 td->last_field_index = field->index;
380 case HID_DG_CONFIDENCE:
381 mt_store_field(usage, td, hi);
382 td->last_field_index = field->index;
384 case HID_DG_TIPSWITCH:
385 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
386 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
387 mt_store_field(usage, td, hi);
388 td->last_field_index = field->index;
390 case HID_DG_CONTACTID:
391 if (!td->maxcontacts)
392 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
393 input_mt_init_slots(hi->input, td->maxcontacts);
394 mt_store_field(usage, td, hi);
395 td->last_field_index = field->index;
396 td->touches_by_report++;
399 hid_map_usage(hi, usage, bit, max,
400 EV_ABS, ABS_MT_TOUCH_MAJOR);
401 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
403 mt_store_field(usage, td, hi);
404 td->last_field_index = field->index;
407 hid_map_usage(hi, usage, bit, max,
408 EV_ABS, ABS_MT_TOUCH_MINOR);
409 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
411 input_set_abs_params(hi->input,
412 ABS_MT_ORIENTATION, 0, 1, 0, 0);
413 mt_store_field(usage, td, hi);
414 td->last_field_index = field->index;
416 case HID_DG_TIPPRESSURE:
417 hid_map_usage(hi, usage, bit, max,
418 EV_ABS, ABS_MT_PRESSURE);
419 set_abs(hi->input, ABS_MT_PRESSURE, field,
421 /* touchscreen emulation */
422 set_abs(hi->input, ABS_PRESSURE, field,
424 mt_store_field(usage, td, hi);
425 td->last_field_index = field->index;
427 case HID_DG_CONTACTCOUNT:
428 td->last_field_index = field->index;
430 case HID_DG_CONTACTMAX:
431 /* we don't set td->last_slot_field as contactcount and
432 * contact max are global to the report */
433 td->last_field_index = field->index;
437 /* Legacy devices use TIPSWITCH and not TOUCH.
438 * Let's just ignore this field. */
440 /* let hid-input decide for the others */
444 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
445 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
446 input_set_capability(hi->input, EV_KEY, code);
450 /* we do not want to map these: no input-oriented meaning */
457 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
458 struct hid_field *field, struct hid_usage *usage,
459 unsigned long **bit, int *max)
461 if (usage->type == EV_KEY || usage->type == EV_ABS)
462 set_bit(usage->type, hi->input->evbit);
467 static int mt_compute_slot(struct mt_device *td)
469 __s32 quirks = td->mtclass.quirks;
471 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
472 return td->curdata.contactid;
474 if (quirks & MT_QUIRK_CYPRESS)
475 return cypress_compute_slot(td);
477 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
478 return td->num_received;
480 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
481 return td->curdata.contactid - 1;
483 return find_slot_from_contactid(td);
487 * this function is called when a whole contact has been processed,
488 * so that it can assign it to a slot and store the data there
490 static void mt_complete_slot(struct mt_device *td)
492 td->curdata.seen_in_this_frame = true;
494 int slotnum = mt_compute_slot(td);
496 if (slotnum >= 0 && slotnum < td->maxcontacts)
497 td->slots[slotnum] = td->curdata;
504 * this function is called when a whole packet has been received and processed,
505 * so that it can decide what to send to the input layer.
507 static void mt_emit_event(struct mt_device *td, struct input_dev *input)
511 for (i = 0; i < td->maxcontacts; ++i) {
512 struct mt_slot *s = &(td->slots[i]);
513 if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
514 !s->seen_in_this_frame) {
515 s->touch_state = false;
518 input_mt_slot(input, i);
519 input_mt_report_slot_state(input, MT_TOOL_FINGER,
521 if (s->touch_state) {
522 /* this finger is on the screen */
523 int wide = (s->w > s->h);
524 /* divided by two to match visual scale of touch */
525 int major = max(s->w, s->h) >> 1;
526 int minor = min(s->w, s->h) >> 1;
528 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
529 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
530 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
531 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
532 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
533 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
535 s->seen_in_this_frame = false;
539 input_mt_report_pointer_emulation(input, true);
541 td->num_received = 0;
546 static int mt_event(struct hid_device *hid, struct hid_field *field,
547 struct hid_usage *usage, __s32 value)
549 struct mt_device *td = hid_get_drvdata(hid);
550 __s32 quirks = td->mtclass.quirks;
552 if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
553 switch (usage->hid) {
555 if (quirks & MT_QUIRK_ALWAYS_VALID)
557 else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
558 td->curvalid = value;
560 case HID_DG_TIPSWITCH:
561 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
562 td->curvalid = value;
563 td->curdata.touch_state = value;
565 case HID_DG_CONFIDENCE:
566 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
567 td->curvalid = value;
569 case HID_DG_CONTACTID:
570 td->curdata.contactid = value;
572 case HID_DG_TIPPRESSURE:
573 td->curdata.p = value;
576 td->curdata.x = value;
579 td->curdata.y = value;
582 td->curdata.w = value;
585 td->curdata.h = value;
587 case HID_DG_CONTACTCOUNT:
589 * Includes multi-packet support where subsequent
590 * packets are sent with zero contactcount.
593 td->num_expected = value;
600 /* fallback to the generic hidinput handling */
604 if (usage->hid == td->last_slot_field)
605 mt_complete_slot(td);
607 if (field->index == td->last_field_index
608 && td->num_received >= td->num_expected)
609 mt_emit_event(td, field->hidinput->input);
613 /* we have handled the hidinput part, now remains hiddev */
614 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
615 hid->hiddev_hid_event(hid, field, usage, value);
620 static void mt_set_input_mode(struct hid_device *hdev)
622 struct mt_device *td = hid_get_drvdata(hdev);
623 struct hid_report *r;
624 struct hid_report_enum *re;
626 if (td->inputmode < 0)
629 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
630 r = re->report_id_hash[td->inputmode];
632 r->field[0]->value[td->inputmode_index] = 0x02;
633 usbhid_submit_report(hdev, r, USB_DIR_OUT);
637 static void mt_set_maxcontacts(struct hid_device *hdev)
639 struct mt_device *td = hid_get_drvdata(hdev);
640 struct hid_report *r;
641 struct hid_report_enum *re;
644 if (td->maxcontact_report_id < 0)
647 if (!td->mtclass.maxcontacts)
650 re = &hdev->report_enum[HID_FEATURE_REPORT];
651 r = re->report_id_hash[td->maxcontact_report_id];
653 max = td->mtclass.maxcontacts;
654 fieldmax = r->field[0]->logical_maximum;
655 max = min(fieldmax, max);
656 if (r->field[0]->value[0] != max) {
657 r->field[0]->value[0] = max;
658 usbhid_submit_report(hdev, r, USB_DIR_OUT);
663 static void mt_post_parse_default_settings(struct mt_device *td)
665 __s32 quirks = td->mtclass.quirks;
667 /* unknown serial device needs special quirks */
668 if (td->touches_by_report == 1) {
669 quirks |= MT_QUIRK_ALWAYS_VALID;
670 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
671 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
672 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
675 td->mtclass.quirks = quirks;
678 static void mt_post_parse(struct mt_device *td)
680 struct mt_fields *f = td->fields;
682 if (td->touches_by_report > 0) {
683 int field_count_per_touch = f->length / td->touches_by_report;
684 td->last_slot_field = f->usages[field_count_per_touch - 1];
688 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
691 struct mt_device *td;
692 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
695 for (i = 0; mt_classes[i].name ; i++) {
696 if (id->driver_data == mt_classes[i].name) {
697 mtclass = &(mt_classes[i]);
703 /* This allows the driver to correctly support devices
704 * that emit events over several HID messages.
706 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
708 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
710 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
713 td->mtclass = *mtclass;
715 td->maxcontact_report_id = -1;
716 hid_set_drvdata(hdev, td);
718 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
720 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
725 ret = hid_parse(hdev);
729 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
735 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
736 mt_post_parse_default_settings(td);
738 td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
741 dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
747 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
749 mt_set_maxcontacts(hdev);
750 mt_set_input_mode(hdev);
764 static int mt_reset_resume(struct hid_device *hdev)
766 mt_set_maxcontacts(hdev);
767 mt_set_input_mode(hdev);
772 static void mt_remove(struct hid_device *hdev)
774 struct mt_device *td = hid_get_drvdata(hdev);
775 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
779 hid_set_drvdata(hdev, NULL);
782 static const struct hid_device_id mt_devices[] = {
785 { .driver_data = MT_CLS_3M,
786 MT_USB_DEVICE(USB_VENDOR_ID_3M,
787 USB_DEVICE_ID_3M1968) },
788 { .driver_data = MT_CLS_3M,
789 MT_USB_DEVICE(USB_VENDOR_ID_3M,
790 USB_DEVICE_ID_3M2256) },
791 { .driver_data = MT_CLS_3M,
792 MT_USB_DEVICE(USB_VENDOR_ID_3M,
793 USB_DEVICE_ID_3M3266) },
795 /* ActionStar panels */
796 { .driver_data = MT_CLS_DEFAULT,
797 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
798 USB_DEVICE_ID_ACTIONSTAR_1011) },
801 { .driver_data = MT_CLS_SERIAL,
802 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
803 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
804 { .driver_data = MT_CLS_SERIAL,
805 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
806 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
808 /* Baanto multitouch devices */
809 { .driver_data = MT_CLS_DEFAULT,
810 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
811 USB_DEVICE_ID_BAANTO_MT_190W2) },
813 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
814 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
815 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
816 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
817 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
818 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
819 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
820 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
821 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
822 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
823 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
824 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
826 /* Chunghwa Telecom touch panels */
827 { .driver_data = MT_CLS_DEFAULT,
828 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
829 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
832 { .driver_data = MT_CLS_DEFAULT,
833 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
834 USB_DEVICE_ID_CVTOUCH_SCREEN) },
837 { .driver_data = MT_CLS_CYPRESS,
838 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
839 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
841 /* eGalax devices (resistive) */
842 { .driver_data = MT_CLS_EGALAX,
843 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
844 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
845 { .driver_data = MT_CLS_EGALAX,
846 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
847 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
849 /* eGalax devices (capacitive) */
850 { .driver_data = MT_CLS_EGALAX,
851 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
852 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
853 { .driver_data = MT_CLS_EGALAX_SERIAL,
854 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
855 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
856 { .driver_data = MT_CLS_EGALAX_SERIAL,
857 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
858 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
859 { .driver_data = MT_CLS_EGALAX_SERIAL,
860 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
861 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
862 { .driver_data = MT_CLS_EGALAX_SERIAL,
863 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
864 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
865 { .driver_data = MT_CLS_EGALAX,
866 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
867 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
868 { .driver_data = MT_CLS_EGALAX_SERIAL,
869 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
870 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
871 { .driver_data = MT_CLS_EGALAX,
872 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
873 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
874 { .driver_data = MT_CLS_EGALAX_SERIAL,
875 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
876 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
877 { .driver_data = MT_CLS_EGALAX,
878 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
879 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
880 { .driver_data = MT_CLS_EGALAX,
881 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
882 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
883 { .driver_data = MT_CLS_EGALAX_SERIAL,
884 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
885 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
886 { .driver_data = MT_CLS_EGALAX_SERIAL,
887 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
888 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
890 /* Elo TouchSystems IntelliTouch Plus panel */
891 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
892 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
893 USB_DEVICE_ID_ELO_TS2515) },
895 /* GeneralTouch panel */
896 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
897 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
898 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
900 /* Gametel game controller */
901 { .driver_data = MT_CLS_DEFAULT,
902 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
903 USB_DEVICE_ID_GAMETEL_MT_MODE) },
905 /* GoodTouch panels */
906 { .driver_data = MT_CLS_DEFAULT,
907 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
908 USB_DEVICE_ID_GOODTOUCH_000f) },
911 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
912 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
913 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
916 { .driver_data = MT_CLS_SERIAL,
917 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
918 USB_DEVICE_ID_IDEACOM_IDC6650) },
919 { .driver_data = MT_CLS_SERIAL,
920 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
921 USB_DEVICE_ID_IDEACOM_IDC6651) },
923 /* Ilitek dual touch panel */
924 { .driver_data = MT_CLS_DEFAULT,
925 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
926 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
929 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
930 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
931 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
933 /* LG Display panels */
934 { .driver_data = MT_CLS_DEFAULT,
935 MT_USB_DEVICE(USB_VENDOR_ID_LG,
936 USB_DEVICE_ID_LG_MULTITOUCH) },
939 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
940 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
941 USB_DEVICE_ID_CRYSTALTOUCH) },
942 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
943 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
944 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
947 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
948 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
949 USB_DEVICE_ID_ASUS_T91MT)},
950 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
951 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
952 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
953 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
954 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
955 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
957 /* Panasonic panels */
958 { .driver_data = MT_CLS_PANASONIC,
959 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
960 USB_DEVICE_ID_PANABOARD_UBT780) },
961 { .driver_data = MT_CLS_PANASONIC,
962 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
963 USB_DEVICE_ID_PANABOARD_UBT880) },
966 { .driver_data = MT_CLS_DEFAULT,
967 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
968 USB_DEVICE_ID_NOVATEK_PCT) },
970 /* PenMount panels */
971 { .driver_data = MT_CLS_CONFIDENCE,
972 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
973 USB_DEVICE_ID_PENMOUNT_PCI) },
975 /* PixArt optical touch screen */
976 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
977 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
978 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
979 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
980 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
981 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
982 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
983 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
984 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
986 /* PixCir-based panels */
987 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
988 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
989 USB_DEVICE_ID_HANVON_MULTITOUCH) },
990 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
991 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
992 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
994 /* Quanta-based panels */
995 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
996 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
997 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
998 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
999 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1000 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1001 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
1002 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
1003 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1005 /* Stantum panels */
1006 { .driver_data = MT_CLS_CONFIDENCE,
1007 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
1008 USB_DEVICE_ID_MTP)},
1009 { .driver_data = MT_CLS_CONFIDENCE,
1010 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
1011 USB_DEVICE_ID_MTP_STM)},
1012 { .driver_data = MT_CLS_CONFIDENCE,
1013 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
1014 USB_DEVICE_ID_MTP_SITRONIX)},
1016 /* TopSeed panels */
1017 { .driver_data = MT_CLS_TOPSEED,
1018 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
1019 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1021 /* Touch International panels */
1022 { .driver_data = MT_CLS_DEFAULT,
1023 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
1024 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1027 { .driver_data = MT_CLS_DEFAULT,
1028 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1029 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1030 { .driver_data = MT_CLS_DEFAULT,
1031 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
1032 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1034 { .driver_data = MT_CLS_DEFAULT,
1035 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
1036 USB_DEVICE_ID_XAT_CSR) },
1039 { .driver_data = MT_CLS_DEFAULT,
1040 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1041 USB_DEVICE_ID_XIROKU_SPX) },
1042 { .driver_data = MT_CLS_DEFAULT,
1043 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1044 USB_DEVICE_ID_XIROKU_MPX) },
1045 { .driver_data = MT_CLS_DEFAULT,
1046 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1047 USB_DEVICE_ID_XIROKU_CSR) },
1048 { .driver_data = MT_CLS_DEFAULT,
1049 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1050 USB_DEVICE_ID_XIROKU_SPX1) },
1051 { .driver_data = MT_CLS_DEFAULT,
1052 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1053 USB_DEVICE_ID_XIROKU_MPX1) },
1054 { .driver_data = MT_CLS_DEFAULT,
1055 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1056 USB_DEVICE_ID_XIROKU_CSR1) },
1057 { .driver_data = MT_CLS_DEFAULT,
1058 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1059 USB_DEVICE_ID_XIROKU_SPX2) },
1060 { .driver_data = MT_CLS_DEFAULT,
1061 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1062 USB_DEVICE_ID_XIROKU_MPX2) },
1063 { .driver_data = MT_CLS_DEFAULT,
1064 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
1065 USB_DEVICE_ID_XIROKU_CSR2) },
1067 /* Zytronic panels */
1068 { .driver_data = MT_CLS_SERIAL,
1069 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1070 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1072 /* Generic MT device */
1073 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
1076 MODULE_DEVICE_TABLE(hid, mt_devices);
1078 static const struct hid_usage_id mt_grabbed_usages[] = {
1079 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1080 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1083 static struct hid_driver mt_driver = {
1084 .name = "hid-multitouch",
1085 .id_table = mt_devices,
1087 .remove = mt_remove,
1088 .input_mapping = mt_input_mapping,
1089 .input_mapped = mt_input_mapped,
1090 .feature_mapping = mt_feature_mapping,
1091 .usage_table = mt_grabbed_usages,
1094 .reset_resume = mt_reset_resume,
1098 static int __init mt_init(void)
1100 return hid_register_driver(&mt_driver);
1103 static void __exit mt_exit(void)
1105 hid_unregister_driver(&mt_driver);
1108 module_init(mt_init);
1109 module_exit(mt_exit);