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 struct mt_slot curdata; /* placeholder of incoming data */
75 struct mt_class mtclass; /* our mt device class */
76 unsigned last_field_index; /* last field index of the report */
77 unsigned last_slot_field; /* the last field of a slot */
78 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
79 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
81 __u8 num_received; /* how many contacts we received */
82 __u8 num_expected; /* expected last contact index */
84 bool curvalid; /* is the current contact valid? */
85 struct mt_slot *slots;
88 /* classes of device behavior */
89 #define MT_CLS_DEFAULT 0x0001
91 #define MT_CLS_SERIAL 0x0002
92 #define MT_CLS_CONFIDENCE 0x0003
93 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
94 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
95 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
96 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
97 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
98 #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
100 /* vendor specific classes */
101 #define MT_CLS_3M 0x0101
102 #define MT_CLS_CYPRESS 0x0102
103 #define MT_CLS_EGALAX 0x0103
104 #define MT_CLS_EGALAX_SERIAL 0x0104
105 #define MT_CLS_TOPSEED 0x0105
106 #define MT_CLS_PANASONIC 0x0106
108 #define MT_DEFAULT_MAXCONTACT 10
111 * these device-dependent functions determine what slot corresponds
112 * to a valid contact that was just read.
115 static int cypress_compute_slot(struct mt_device *td)
117 if (td->curdata.contactid != 0 || td->num_received == 0)
118 return td->curdata.contactid;
123 static int find_slot_from_contactid(struct mt_device *td)
126 for (i = 0; i < td->maxcontacts; ++i) {
127 if (td->slots[i].contactid == td->curdata.contactid &&
128 td->slots[i].touch_state)
131 for (i = 0; i < td->maxcontacts; ++i) {
132 if (!td->slots[i].seen_in_this_frame &&
133 !td->slots[i].touch_state)
136 /* should not occurs. If this happens that means
137 * that the device sent more touches that it says
138 * in the report descriptor. It is ignored then. */
142 static struct mt_class mt_classes[] = {
143 { .name = MT_CLS_DEFAULT,
144 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
145 { .name = MT_CLS_SERIAL,
146 .quirks = MT_QUIRK_ALWAYS_VALID},
147 { .name = MT_CLS_CONFIDENCE,
148 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
149 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
150 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
151 MT_QUIRK_SLOT_IS_CONTACTID },
152 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
153 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
154 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
155 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
156 .quirks = MT_QUIRK_VALID_IS_INRANGE |
157 MT_QUIRK_SLOT_IS_CONTACTID,
159 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
160 .quirks = MT_QUIRK_VALID_IS_INRANGE |
161 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
163 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
164 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
165 MT_QUIRK_SLOT_IS_CONTACTID,
167 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
168 .quirks = MT_QUIRK_VALID_IS_INRANGE |
169 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
172 * vendor specific classes
175 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
176 MT_QUIRK_SLOT_IS_CONTACTID,
180 { .name = MT_CLS_CYPRESS,
181 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
184 { .name = MT_CLS_EGALAX,
185 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
186 MT_QUIRK_VALID_IS_INRANGE,
190 { .name = MT_CLS_EGALAX_SERIAL,
191 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
192 MT_QUIRK_ALWAYS_VALID,
196 { .name = MT_CLS_TOPSEED,
197 .quirks = MT_QUIRK_ALWAYS_VALID,
201 { .name = MT_CLS_PANASONIC,
202 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
208 static ssize_t mt_show_quirks(struct device *dev,
209 struct device_attribute *attr,
212 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
213 struct mt_device *td = hid_get_drvdata(hdev);
215 return sprintf(buf, "%u\n", td->mtclass.quirks);
218 static ssize_t mt_set_quirks(struct device *dev,
219 struct device_attribute *attr,
220 const char *buf, size_t count)
222 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
223 struct mt_device *td = hid_get_drvdata(hdev);
227 if (kstrtoul(buf, 0, &val))
230 td->mtclass.quirks = val;
235 static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
237 static struct attribute *sysfs_attrs[] = {
238 &dev_attr_quirks.attr,
242 static struct attribute_group mt_attribute_group = {
246 static void mt_feature_mapping(struct hid_device *hdev,
247 struct hid_field *field, struct hid_usage *usage)
249 struct mt_device *td = hid_get_drvdata(hdev);
251 switch (usage->hid) {
252 case HID_DG_INPUTMODE:
253 td->inputmode = field->report->id;
255 case HID_DG_CONTACTMAX:
256 td->maxcontact_report_id = field->report->id;
257 td->maxcontacts = field->value[0];
258 if (td->mtclass.maxcontacts)
259 /* check if the maxcontacts is given by the class */
260 td->maxcontacts = td->mtclass.maxcontacts;
266 static void set_abs(struct input_dev *input, unsigned int code,
267 struct hid_field *field, int snratio)
269 int fmin = field->logical_minimum;
270 int fmax = field->logical_maximum;
271 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
272 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
275 static void set_last_slot_field(struct hid_usage *usage, struct mt_device *td,
276 struct hid_input *hi)
278 if (!test_bit(usage->hid, hi->input->absbit))
279 td->last_slot_field = usage->hid;
282 static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
283 struct hid_field *field, struct hid_usage *usage,
284 unsigned long **bit, int *max)
286 struct mt_device *td = hid_get_drvdata(hdev);
287 struct mt_class *cls = &td->mtclass;
290 /* Only map fields from TouchScreen or TouchPad collections.
291 * We need to ignore fields that belong to other collections
292 * such as Mouse that might have the same GenericDesktop usages. */
293 if (field->application == HID_DG_TOUCHSCREEN)
294 set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
295 else if (field->application != HID_DG_TOUCHPAD)
298 /* In case of an indirect device (touchpad), we need to add
299 * specific BTN_TOOL_* to be handled by the synaptics xorg
301 * We also consider that touchscreens providing buttons are touchpads.
303 if (field->application == HID_DG_TOUCHPAD ||
304 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON ||
306 set_bit(INPUT_PROP_POINTER, hi->input->propbit);
307 set_bit(BTN_TOOL_FINGER, hi->input->keybit);
308 set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit);
309 set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit);
310 set_bit(BTN_TOOL_QUADTAP, hi->input->keybit);
313 /* eGalax devices provide a Digitizer.Stylus input which overrides
314 * the correct Digitizers.Finger X/Y ranges.
315 * Let's just ignore this input. */
316 if (field->physical == HID_DG_STYLUS)
319 switch (usage->hid & HID_USAGE_PAGE) {
322 switch (usage->hid) {
324 hid_map_usage(hi, usage, bit, max,
325 EV_ABS, ABS_MT_POSITION_X);
326 set_abs(hi->input, ABS_MT_POSITION_X, field,
328 /* touchscreen emulation */
329 set_abs(hi->input, ABS_X, field, cls->sn_move);
330 set_last_slot_field(usage, td, hi);
331 td->last_field_index = field->index;
334 hid_map_usage(hi, usage, bit, max,
335 EV_ABS, ABS_MT_POSITION_Y);
336 set_abs(hi->input, ABS_MT_POSITION_Y, field,
338 /* touchscreen emulation */
339 set_abs(hi->input, ABS_Y, field, cls->sn_move);
340 set_last_slot_field(usage, td, hi);
341 td->last_field_index = field->index;
346 case HID_UP_DIGITIZER:
347 switch (usage->hid) {
349 set_last_slot_field(usage, td, hi);
350 td->last_field_index = field->index;
352 case HID_DG_CONFIDENCE:
353 set_last_slot_field(usage, td, hi);
354 td->last_field_index = field->index;
356 case HID_DG_TIPSWITCH:
357 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
358 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
359 set_last_slot_field(usage, td, hi);
360 td->last_field_index = field->index;
362 case HID_DG_CONTACTID:
363 if (!td->maxcontacts)
364 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
365 input_mt_init_slots(hi->input, td->maxcontacts);
366 td->last_slot_field = usage->hid;
367 td->last_field_index = field->index;
370 hid_map_usage(hi, usage, bit, max,
371 EV_ABS, ABS_MT_TOUCH_MAJOR);
372 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
374 set_last_slot_field(usage, td, hi);
375 td->last_field_index = field->index;
378 hid_map_usage(hi, usage, bit, max,
379 EV_ABS, ABS_MT_TOUCH_MINOR);
380 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
382 input_set_abs_params(hi->input,
383 ABS_MT_ORIENTATION, 0, 1, 0, 0);
384 set_last_slot_field(usage, td, hi);
385 td->last_field_index = field->index;
387 case HID_DG_TIPPRESSURE:
388 hid_map_usage(hi, usage, bit, max,
389 EV_ABS, ABS_MT_PRESSURE);
390 set_abs(hi->input, ABS_MT_PRESSURE, field,
392 /* touchscreen emulation */
393 set_abs(hi->input, ABS_PRESSURE, field,
395 set_last_slot_field(usage, td, hi);
396 td->last_field_index = field->index;
398 case HID_DG_CONTACTCOUNT:
399 td->last_field_index = field->index;
401 case HID_DG_CONTACTMAX:
402 /* we don't set td->last_slot_field as contactcount and
403 * contact max are global to the report */
404 td->last_field_index = field->index;
408 /* Legacy devices use TIPSWITCH and not TOUCH.
409 * Let's just ignore this field. */
411 /* let hid-input decide for the others */
415 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
416 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
417 input_set_capability(hi->input, EV_KEY, code);
421 /* we do not want to map these: no input-oriented meaning */
428 static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
429 struct hid_field *field, struct hid_usage *usage,
430 unsigned long **bit, int *max)
432 if (usage->type == EV_KEY || usage->type == EV_ABS)
433 set_bit(usage->type, hi->input->evbit);
438 static int mt_compute_slot(struct mt_device *td)
440 __s32 quirks = td->mtclass.quirks;
442 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
443 return td->curdata.contactid;
445 if (quirks & MT_QUIRK_CYPRESS)
446 return cypress_compute_slot(td);
448 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
449 return td->num_received;
451 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
452 return td->curdata.contactid - 1;
454 return find_slot_from_contactid(td);
458 * this function is called when a whole contact has been processed,
459 * so that it can assign it to a slot and store the data there
461 static void mt_complete_slot(struct mt_device *td)
463 td->curdata.seen_in_this_frame = true;
465 int slotnum = mt_compute_slot(td);
467 if (slotnum >= 0 && slotnum < td->maxcontacts)
468 td->slots[slotnum] = td->curdata;
475 * this function is called when a whole packet has been received and processed,
476 * so that it can decide what to send to the input layer.
478 static void mt_emit_event(struct mt_device *td, struct input_dev *input)
482 for (i = 0; i < td->maxcontacts; ++i) {
483 struct mt_slot *s = &(td->slots[i]);
484 if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
485 !s->seen_in_this_frame) {
486 s->touch_state = false;
489 input_mt_slot(input, i);
490 input_mt_report_slot_state(input, MT_TOOL_FINGER,
492 if (s->touch_state) {
493 /* this finger is on the screen */
494 int wide = (s->w > s->h);
495 /* divided by two to match visual scale of touch */
496 int major = max(s->w, s->h) >> 1;
497 int minor = min(s->w, s->h) >> 1;
499 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
500 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
501 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
502 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
503 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
504 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
506 s->seen_in_this_frame = false;
510 input_mt_report_pointer_emulation(input, true);
512 td->num_received = 0;
517 static int mt_event(struct hid_device *hid, struct hid_field *field,
518 struct hid_usage *usage, __s32 value)
520 struct mt_device *td = hid_get_drvdata(hid);
521 __s32 quirks = td->mtclass.quirks;
523 if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
524 switch (usage->hid) {
526 if (quirks & MT_QUIRK_ALWAYS_VALID)
528 else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
529 td->curvalid = value;
531 case HID_DG_TIPSWITCH:
532 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
533 td->curvalid = value;
534 td->curdata.touch_state = value;
536 case HID_DG_CONFIDENCE:
537 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
538 td->curvalid = value;
540 case HID_DG_CONTACTID:
541 td->curdata.contactid = value;
543 case HID_DG_TIPPRESSURE:
544 td->curdata.p = value;
547 td->curdata.x = value;
550 td->curdata.y = value;
553 td->curdata.w = value;
556 td->curdata.h = value;
558 case HID_DG_CONTACTCOUNT:
560 * Includes multi-packet support where subsequent
561 * packets are sent with zero contactcount.
564 td->num_expected = value;
571 /* fallback to the generic hidinput handling */
575 if (usage->hid == td->last_slot_field)
576 mt_complete_slot(td);
578 if (field->index == td->last_field_index
579 && td->num_received >= td->num_expected)
580 mt_emit_event(td, field->hidinput->input);
584 /* we have handled the hidinput part, now remains hiddev */
585 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
586 hid->hiddev_hid_event(hid, field, usage, value);
591 static void mt_set_input_mode(struct hid_device *hdev)
593 struct mt_device *td = hid_get_drvdata(hdev);
594 struct hid_report *r;
595 struct hid_report_enum *re;
597 if (td->inputmode < 0)
600 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
601 r = re->report_id_hash[td->inputmode];
603 r->field[0]->value[0] = 0x02;
604 usbhid_submit_report(hdev, r, USB_DIR_OUT);
608 static void mt_set_maxcontacts(struct hid_device *hdev)
610 struct mt_device *td = hid_get_drvdata(hdev);
611 struct hid_report *r;
612 struct hid_report_enum *re;
615 if (td->maxcontact_report_id < 0)
618 if (!td->mtclass.maxcontacts)
621 re = &hdev->report_enum[HID_FEATURE_REPORT];
622 r = re->report_id_hash[td->maxcontact_report_id];
624 max = td->mtclass.maxcontacts;
625 fieldmax = r->field[0]->logical_maximum;
626 max = min(fieldmax, max);
627 if (r->field[0]->value[0] != max) {
628 r->field[0]->value[0] = max;
629 usbhid_submit_report(hdev, r, USB_DIR_OUT);
634 static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
637 struct mt_device *td;
638 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
641 for (i = 0; mt_classes[i].name ; i++) {
642 if (id->driver_data == mt_classes[i].name) {
643 mtclass = &(mt_classes[i]);
649 /* This allows the driver to correctly support devices
650 * that emit events over several HID messages.
652 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
653 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
655 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
657 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
660 td->mtclass = *mtclass;
662 td->maxcontact_report_id = -1;
663 hid_set_drvdata(hdev, td);
665 ret = hid_parse(hdev);
669 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
673 td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
676 dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
682 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
684 mt_set_maxcontacts(hdev);
685 mt_set_input_mode(hdev);
695 static int mt_reset_resume(struct hid_device *hdev)
697 mt_set_maxcontacts(hdev);
698 mt_set_input_mode(hdev);
703 static void mt_remove(struct hid_device *hdev)
705 struct mt_device *td = hid_get_drvdata(hdev);
706 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
710 hid_set_drvdata(hdev, NULL);
713 static const struct hid_device_id mt_devices[] = {
716 { .driver_data = MT_CLS_3M,
717 HID_USB_DEVICE(USB_VENDOR_ID_3M,
718 USB_DEVICE_ID_3M1968) },
719 { .driver_data = MT_CLS_3M,
720 HID_USB_DEVICE(USB_VENDOR_ID_3M,
721 USB_DEVICE_ID_3M2256) },
722 { .driver_data = MT_CLS_3M,
723 HID_USB_DEVICE(USB_VENDOR_ID_3M,
724 USB_DEVICE_ID_3M3266) },
726 /* ActionStar panels */
727 { .driver_data = MT_CLS_DEFAULT,
728 HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
729 USB_DEVICE_ID_ACTIONSTAR_1011) },
732 { .driver_data = MT_CLS_SERIAL,
733 HID_USB_DEVICE(USB_VENDOR_ID_ATMEL,
734 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
735 { .driver_data = MT_CLS_SERIAL,
736 HID_USB_DEVICE(USB_VENDOR_ID_ATMEL,
737 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
740 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
741 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
742 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
743 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
744 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
745 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
746 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
747 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
748 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
749 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
750 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
751 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
753 /* Chunghwa Telecom touch panels */
754 { .driver_data = MT_CLS_DEFAULT,
755 HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
756 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
759 { .driver_data = MT_CLS_DEFAULT,
760 HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
761 USB_DEVICE_ID_CVTOUCH_SCREEN) },
764 { .driver_data = MT_CLS_CYPRESS,
765 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
766 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
768 /* eGalax devices (resistive) */
769 { .driver_data = MT_CLS_EGALAX,
770 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
771 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
772 { .driver_data = MT_CLS_EGALAX,
773 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
774 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
776 /* eGalax devices (capacitive) */
777 { .driver_data = MT_CLS_EGALAX,
778 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
779 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
780 { .driver_data = MT_CLS_EGALAX_SERIAL,
781 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
782 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
783 { .driver_data = MT_CLS_EGALAX_SERIAL,
784 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
785 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
786 { .driver_data = MT_CLS_EGALAX_SERIAL,
787 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
788 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
789 { .driver_data = MT_CLS_EGALAX_SERIAL,
790 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
791 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
792 { .driver_data = MT_CLS_EGALAX,
793 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
794 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
795 { .driver_data = MT_CLS_EGALAX_SERIAL,
796 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
797 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
798 { .driver_data = MT_CLS_EGALAX,
799 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
800 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
801 { .driver_data = MT_CLS_EGALAX_SERIAL,
802 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
803 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
804 { .driver_data = MT_CLS_EGALAX,
805 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
806 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
807 { .driver_data = MT_CLS_EGALAX,
808 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
809 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
810 { .driver_data = MT_CLS_EGALAX_SERIAL,
811 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
812 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
813 { .driver_data = MT_CLS_EGALAX_SERIAL,
814 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
815 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
817 /* Elo TouchSystems IntelliTouch Plus panel */
818 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
819 HID_USB_DEVICE(USB_VENDOR_ID_ELO,
820 USB_DEVICE_ID_ELO_TS2515) },
822 /* GeneralTouch panel */
823 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
824 HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
825 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
827 /* GoodTouch panels */
828 { .driver_data = MT_CLS_DEFAULT,
829 HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
830 USB_DEVICE_ID_GOODTOUCH_000f) },
833 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
834 HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
835 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
838 { .driver_data = MT_CLS_SERIAL,
839 HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
840 USB_DEVICE_ID_IDEACOM_IDC6650) },
841 { .driver_data = MT_CLS_SERIAL,
842 HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
843 USB_DEVICE_ID_IDEACOM_IDC6651) },
845 /* Ilitek dual touch panel */
846 { .driver_data = MT_CLS_DEFAULT,
847 HID_USB_DEVICE(USB_VENDOR_ID_ILITEK,
848 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
851 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
852 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
853 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
855 /* LG Display panels */
856 { .driver_data = MT_CLS_DEFAULT,
857 HID_USB_DEVICE(USB_VENDOR_ID_LG,
858 USB_DEVICE_ID_LG_MULTITOUCH) },
861 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
862 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
863 USB_DEVICE_ID_CRYSTALTOUCH) },
864 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
865 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO,
866 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
869 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
870 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
871 USB_DEVICE_ID_ASUS_T91MT)},
872 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
873 HID_USB_DEVICE(USB_VENDOR_ID_ASUS,
874 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
875 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
876 HID_USB_DEVICE(USB_VENDOR_ID_TURBOX,
877 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
879 /* Panasonic panels */
880 { .driver_data = MT_CLS_PANASONIC,
881 HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
882 USB_DEVICE_ID_PANABOARD_UBT780) },
883 { .driver_data = MT_CLS_PANASONIC,
884 HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
885 USB_DEVICE_ID_PANABOARD_UBT880) },
887 /* PenMount panels */
888 { .driver_data = MT_CLS_CONFIDENCE,
889 HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
890 USB_DEVICE_ID_PENMOUNT_PCI) },
892 /* PixArt optical touch screen */
893 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
894 HID_USB_DEVICE(USB_VENDOR_ID_PIXART,
895 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
896 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
897 HID_USB_DEVICE(USB_VENDOR_ID_PIXART,
898 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
899 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
900 HID_USB_DEVICE(USB_VENDOR_ID_PIXART,
901 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
903 /* PixCir-based panels */
904 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
905 HID_USB_DEVICE(USB_VENDOR_ID_HANVON,
906 USB_DEVICE_ID_HANVON_MULTITOUCH) },
907 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
908 HID_USB_DEVICE(USB_VENDOR_ID_CANDO,
909 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
911 /* Quanta-based panels */
912 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
913 HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
914 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
915 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
916 HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
917 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
918 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
919 HID_USB_DEVICE(USB_VENDOR_ID_QUANTA,
920 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
923 { .driver_data = MT_CLS_CONFIDENCE,
924 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM,
926 { .driver_data = MT_CLS_CONFIDENCE,
927 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
928 USB_DEVICE_ID_MTP_STM)},
929 { .driver_data = MT_CLS_CONFIDENCE,
930 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
931 USB_DEVICE_ID_MTP_SITRONIX)},
934 { .driver_data = MT_CLS_TOPSEED,
935 HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
936 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
938 /* Touch International panels */
939 { .driver_data = MT_CLS_DEFAULT,
940 HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
941 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
944 { .driver_data = MT_CLS_DEFAULT,
945 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
946 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
947 { .driver_data = MT_CLS_DEFAULT,
948 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC,
949 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
951 { .driver_data = MT_CLS_DEFAULT,
952 HID_USB_DEVICE(USB_VENDOR_ID_XAT,
953 USB_DEVICE_ID_XAT_CSR) },
956 { .driver_data = MT_CLS_DEFAULT,
957 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
958 USB_DEVICE_ID_XIROKU_SPX) },
959 { .driver_data = MT_CLS_DEFAULT,
960 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
961 USB_DEVICE_ID_XIROKU_MPX) },
962 { .driver_data = MT_CLS_DEFAULT,
963 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
964 USB_DEVICE_ID_XIROKU_CSR) },
965 { .driver_data = MT_CLS_DEFAULT,
966 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
967 USB_DEVICE_ID_XIROKU_SPX1) },
968 { .driver_data = MT_CLS_DEFAULT,
969 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
970 USB_DEVICE_ID_XIROKU_MPX1) },
971 { .driver_data = MT_CLS_DEFAULT,
972 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
973 USB_DEVICE_ID_XIROKU_CSR1) },
974 { .driver_data = MT_CLS_DEFAULT,
975 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
976 USB_DEVICE_ID_XIROKU_SPX2) },
977 { .driver_data = MT_CLS_DEFAULT,
978 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
979 USB_DEVICE_ID_XIROKU_MPX2) },
980 { .driver_data = MT_CLS_DEFAULT,
981 HID_USB_DEVICE(USB_VENDOR_ID_XIROKU,
982 USB_DEVICE_ID_XIROKU_CSR2) },
986 MODULE_DEVICE_TABLE(hid, mt_devices);
988 static const struct hid_usage_id mt_grabbed_usages[] = {
989 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
990 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
993 static struct hid_driver mt_driver = {
994 .name = "hid-multitouch",
995 .id_table = mt_devices,
998 .input_mapping = mt_input_mapping,
999 .input_mapped = mt_input_mapped,
1000 .feature_mapping = mt_feature_mapping,
1001 .usage_table = mt_grabbed_usages,
1004 .reset_resume = mt_reset_resume,
1008 static int __init mt_init(void)
1010 return hid_register_driver(&mt_driver);
1013 static void __exit mt_exit(void)
1015 hid_unregister_driver(&mt_driver);
1018 module_init(mt_init);
1019 module_exit(mt_exit);