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)
54 #define MT_QUIRK_NO_AREA (1 << 9)
55 #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
56 #define MT_QUIRK_HOVERING (1 << 11)
57 #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
60 __s32 x
, y
, cx
, cy
, p
, w
, h
;
61 __s32 contactid
; /* the device ContactID assigned to this slot */
62 bool touch_state
; /* is the touch valid? */
63 bool inrange_state
; /* is the finger in proximity of the sensor? */
67 __s32 name
; /* MT_CLS */
69 __s32 sn_move
; /* Signal/noise ratio for move events */
70 __s32 sn_width
; /* Signal/noise ratio for width events */
71 __s32 sn_height
; /* Signal/noise ratio for height events */
72 __s32 sn_pressure
; /* Signal/noise ratio for pressure events */
74 bool is_indirect
; /* true for touchpads */
78 unsigned usages
[HID_MAX_FIELDS
];
83 struct mt_slot curdata
; /* placeholder of incoming data */
84 struct mt_class mtclass
; /* our mt device class */
85 struct mt_fields
*fields
; /* temporary placeholder for storing the
87 int cc_index
; /* contact count field index in the report */
88 int cc_value_index
; /* contact count value index in the field */
89 unsigned last_field_index
; /* last field index of the report */
90 unsigned last_slot_field
; /* the last field of a slot */
91 unsigned mt_report_id
; /* the report ID of the multitouch device */
92 __s8 inputmode
; /* InputMode HID feature, -1 if non-existent */
93 __s8 inputmode_index
; /* InputMode HID feature index in the report */
94 __s8 maxcontact_report_id
; /* Maximum Contact Number HID feature,
96 __u8 num_received
; /* how many contacts we received */
97 __u8 num_expected
; /* expected last contact index */
99 __u8 touches_by_report
; /* how many touches are present in one report:
100 * 1 means we should use a serial protocol
101 * > 1 means hybrid (multitouch) protocol */
102 bool serial_maybe
; /* need to check for serial protocol */
103 bool curvalid
; /* is the current contact valid? */
104 unsigned mt_flags
; /* flags to pass to input-mt */
107 /* classes of device behavior */
108 #define MT_CLS_DEFAULT 0x0001
110 #define MT_CLS_SERIAL 0x0002
111 #define MT_CLS_CONFIDENCE 0x0003
112 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
113 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
114 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
115 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
116 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
117 #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
118 #define MT_CLS_NSMU 0x000a
119 #define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
120 #define MT_CLS_DUAL_CONTACT_ID 0x0011
122 /* vendor specific classes */
123 #define MT_CLS_3M 0x0101
124 #define MT_CLS_CYPRESS 0x0102
125 #define MT_CLS_EGALAX 0x0103
126 #define MT_CLS_EGALAX_SERIAL 0x0104
127 #define MT_CLS_TOPSEED 0x0105
128 #define MT_CLS_PANASONIC 0x0106
129 #define MT_CLS_FLATFROG 0x0107
130 #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
131 #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
133 #define MT_DEFAULT_MAXCONTACT 10
134 #define MT_MAX_MAXCONTACT 250
136 #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
137 #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
140 * these device-dependent functions determine what slot corresponds
141 * to a valid contact that was just read.
144 static int cypress_compute_slot(struct mt_device
*td
)
146 if (td
->curdata
.contactid
!= 0 || td
->num_received
== 0)
147 return td
->curdata
.contactid
;
152 static struct mt_class mt_classes
[] = {
153 { .name
= MT_CLS_DEFAULT
,
154 .quirks
= MT_QUIRK_ALWAYS_VALID
|
155 MT_QUIRK_CONTACT_CNT_ACCURATE
},
156 { .name
= MT_CLS_NSMU
,
157 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
},
158 { .name
= MT_CLS_SERIAL
,
159 .quirks
= MT_QUIRK_ALWAYS_VALID
},
160 { .name
= MT_CLS_CONFIDENCE
,
161 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
},
162 { .name
= MT_CLS_CONFIDENCE_CONTACT_ID
,
163 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
164 MT_QUIRK_SLOT_IS_CONTACTID
},
165 { .name
= MT_CLS_CONFIDENCE_MINUS_ONE
,
166 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
167 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
},
168 { .name
= MT_CLS_DUAL_INRANGE_CONTACTID
,
169 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
170 MT_QUIRK_SLOT_IS_CONTACTID
,
172 { .name
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
173 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
174 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
176 { .name
= MT_CLS_DUAL_NSMU_CONTACTID
,
177 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
178 MT_QUIRK_SLOT_IS_CONTACTID
,
180 { .name
= MT_CLS_INRANGE_CONTACTNUMBER
,
181 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
182 MT_QUIRK_SLOT_IS_CONTACTNUMBER
},
183 { .name
= MT_CLS_DUAL_CONTACT_NUMBER
,
184 .quirks
= MT_QUIRK_ALWAYS_VALID
|
185 MT_QUIRK_CONTACT_CNT_ACCURATE
|
186 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
188 { .name
= MT_CLS_DUAL_CONTACT_ID
,
189 .quirks
= MT_QUIRK_ALWAYS_VALID
|
190 MT_QUIRK_CONTACT_CNT_ACCURATE
|
191 MT_QUIRK_SLOT_IS_CONTACTID
,
195 * vendor specific classes
198 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
199 MT_QUIRK_SLOT_IS_CONTACTID
,
205 { .name
= MT_CLS_CYPRESS
,
206 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
209 { .name
= MT_CLS_EGALAX
,
210 .quirks
= MT_QUIRK_SLOT_IS_CONTACTID
|
211 MT_QUIRK_VALID_IS_INRANGE
,
215 { .name
= MT_CLS_EGALAX_SERIAL
,
216 .quirks
= MT_QUIRK_SLOT_IS_CONTACTID
|
217 MT_QUIRK_ALWAYS_VALID
,
221 { .name
= MT_CLS_TOPSEED
,
222 .quirks
= MT_QUIRK_ALWAYS_VALID
,
226 { .name
= MT_CLS_PANASONIC
,
227 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
,
229 { .name
= MT_CLS_GENERALTOUCH_TWOFINGERS
,
230 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
231 MT_QUIRK_VALID_IS_INRANGE
|
232 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
235 { .name
= MT_CLS_GENERALTOUCH_PWT_TENFINGERS
,
236 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
237 MT_QUIRK_SLOT_IS_CONTACTNUMBER
240 { .name
= MT_CLS_FLATFROG
,
241 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
249 static ssize_t
mt_show_quirks(struct device
*dev
,
250 struct device_attribute
*attr
,
253 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
254 struct mt_device
*td
= hid_get_drvdata(hdev
);
256 return sprintf(buf
, "%u\n", td
->mtclass
.quirks
);
259 static ssize_t
mt_set_quirks(struct device
*dev
,
260 struct device_attribute
*attr
,
261 const char *buf
, size_t count
)
263 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
264 struct mt_device
*td
= hid_get_drvdata(hdev
);
268 if (kstrtoul(buf
, 0, &val
))
271 td
->mtclass
.quirks
= val
;
273 if (td
->cc_index
< 0)
274 td
->mtclass
.quirks
&= ~MT_QUIRK_CONTACT_CNT_ACCURATE
;
279 static DEVICE_ATTR(quirks
, S_IWUSR
| S_IRUGO
, mt_show_quirks
, mt_set_quirks
);
281 static struct attribute
*sysfs_attrs
[] = {
282 &dev_attr_quirks
.attr
,
286 static struct attribute_group mt_attribute_group
= {
290 static void mt_feature_mapping(struct hid_device
*hdev
,
291 struct hid_field
*field
, struct hid_usage
*usage
)
293 struct mt_device
*td
= hid_get_drvdata(hdev
);
296 switch (usage
->hid
) {
297 case HID_DG_INPUTMODE
:
298 td
->inputmode
= field
->report
->id
;
299 td
->inputmode_index
= 0; /* has to be updated below */
301 for (i
=0; i
< field
->maxusage
; i
++) {
302 if (field
->usage
[i
].hid
== usage
->hid
) {
303 td
->inputmode_index
= i
;
309 case HID_DG_CONTACTMAX
:
310 td
->maxcontact_report_id
= field
->report
->id
;
311 td
->maxcontacts
= field
->value
[0];
312 if (!td
->maxcontacts
&&
313 field
->logical_maximum
<= MT_MAX_MAXCONTACT
)
314 td
->maxcontacts
= field
->logical_maximum
;
315 if (td
->mtclass
.maxcontacts
)
316 /* check if the maxcontacts is given by the class */
317 td
->maxcontacts
= td
->mtclass
.maxcontacts
;
321 if (field
->report_count
== 256 && field
->report_size
== 8) {
322 /* Win 8 devices need special quirks */
323 __s32
*quirks
= &td
->mtclass
.quirks
;
324 *quirks
|= MT_QUIRK_ALWAYS_VALID
;
325 *quirks
|= MT_QUIRK_IGNORE_DUPLICATES
;
326 *quirks
|= MT_QUIRK_HOVERING
;
327 *quirks
|= MT_QUIRK_CONTACT_CNT_ACCURATE
;
328 *quirks
&= ~MT_QUIRK_NOT_SEEN_MEANS_UP
;
329 *quirks
&= ~MT_QUIRK_VALID_IS_INRANGE
;
330 *quirks
&= ~MT_QUIRK_VALID_IS_CONFIDENCE
;
336 static void set_abs(struct input_dev
*input
, unsigned int code
,
337 struct hid_field
*field
, int snratio
)
339 int fmin
= field
->logical_minimum
;
340 int fmax
= field
->logical_maximum
;
341 int fuzz
= snratio
? (fmax
- fmin
) / snratio
: 0;
342 input_set_abs_params(input
, code
, fmin
, fmax
, fuzz
, 0);
343 input_abs_set_res(input
, code
, hidinput_calc_abs_res(field
, code
));
346 static void mt_store_field(struct hid_usage
*usage
, struct mt_device
*td
,
347 struct hid_input
*hi
)
349 struct mt_fields
*f
= td
->fields
;
351 if (f
->length
>= HID_MAX_FIELDS
)
354 f
->usages
[f
->length
++] = usage
->hid
;
357 static int mt_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
358 struct hid_field
*field
, struct hid_usage
*usage
,
359 unsigned long **bit
, int *max
)
361 struct mt_device
*td
= hid_get_drvdata(hdev
);
362 struct mt_class
*cls
= &td
->mtclass
;
364 struct hid_usage
*prev_usage
= NULL
;
366 /* Only map fields from TouchScreen or TouchPad collections.
367 * We need to ignore fields that belong to other collections
368 * such as Mouse that might have the same GenericDesktop usages. */
369 if (field
->application
== HID_DG_TOUCHSCREEN
)
370 td
->mt_flags
|= INPUT_MT_DIRECT
;
371 else if (field
->application
!= HID_DG_TOUCHPAD
)
375 * Model touchscreens providing buttons as touchpads.
377 if (field
->application
== HID_DG_TOUCHPAD
||
378 (usage
->hid
& HID_USAGE_PAGE
) == HID_UP_BUTTON
)
379 td
->mt_flags
|= INPUT_MT_POINTER
;
381 /* eGalax devices provide a Digitizer.Stylus input which overrides
382 * the correct Digitizers.Finger X/Y ranges.
383 * Let's just ignore this input. */
384 if (field
->physical
== HID_DG_STYLUS
)
387 if (usage
->usage_index
)
388 prev_usage
= &field
->usage
[usage
->usage_index
- 1];
390 switch (usage
->hid
& HID_USAGE_PAGE
) {
393 switch (usage
->hid
) {
395 if (prev_usage
&& (prev_usage
->hid
== usage
->hid
)) {
396 hid_map_usage(hi
, usage
, bit
, max
,
397 EV_ABS
, ABS_MT_TOOL_X
);
398 set_abs(hi
->input
, ABS_MT_TOOL_X
, field
,
401 hid_map_usage(hi
, usage
, bit
, max
,
402 EV_ABS
, ABS_MT_POSITION_X
);
403 set_abs(hi
->input
, ABS_MT_POSITION_X
, field
,
407 mt_store_field(usage
, td
, hi
);
408 td
->last_field_index
= field
->index
;
411 if (prev_usage
&& (prev_usage
->hid
== usage
->hid
)) {
412 hid_map_usage(hi
, usage
, bit
, max
,
413 EV_ABS
, ABS_MT_TOOL_Y
);
414 set_abs(hi
->input
, ABS_MT_TOOL_Y
, field
,
417 hid_map_usage(hi
, usage
, bit
, max
,
418 EV_ABS
, ABS_MT_POSITION_Y
);
419 set_abs(hi
->input
, ABS_MT_POSITION_Y
, field
,
423 mt_store_field(usage
, td
, hi
);
424 td
->last_field_index
= field
->index
;
429 case HID_UP_DIGITIZER
:
430 switch (usage
->hid
) {
432 if (cls
->quirks
& MT_QUIRK_HOVERING
) {
433 hid_map_usage(hi
, usage
, bit
, max
,
434 EV_ABS
, ABS_MT_DISTANCE
);
435 input_set_abs_params(hi
->input
,
436 ABS_MT_DISTANCE
, 0, 1, 0, 0);
438 mt_store_field(usage
, td
, hi
);
439 td
->last_field_index
= field
->index
;
441 case HID_DG_CONFIDENCE
:
442 mt_store_field(usage
, td
, hi
);
443 td
->last_field_index
= field
->index
;
445 case HID_DG_TIPSWITCH
:
446 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
, BTN_TOUCH
);
447 input_set_capability(hi
->input
, EV_KEY
, BTN_TOUCH
);
448 mt_store_field(usage
, td
, hi
);
449 td
->last_field_index
= field
->index
;
451 case HID_DG_CONTACTID
:
452 mt_store_field(usage
, td
, hi
);
453 td
->last_field_index
= field
->index
;
454 td
->touches_by_report
++;
455 td
->mt_report_id
= field
->report
->id
;
458 hid_map_usage(hi
, usage
, bit
, max
,
459 EV_ABS
, ABS_MT_TOUCH_MAJOR
);
460 if (!(cls
->quirks
& MT_QUIRK_NO_AREA
))
461 set_abs(hi
->input
, ABS_MT_TOUCH_MAJOR
, field
,
463 mt_store_field(usage
, td
, hi
);
464 td
->last_field_index
= field
->index
;
467 hid_map_usage(hi
, usage
, bit
, max
,
468 EV_ABS
, ABS_MT_TOUCH_MINOR
);
469 if (!(cls
->quirks
& MT_QUIRK_NO_AREA
)) {
470 set_abs(hi
->input
, ABS_MT_TOUCH_MINOR
, field
,
472 input_set_abs_params(hi
->input
,
473 ABS_MT_ORIENTATION
, 0, 1, 0, 0);
475 mt_store_field(usage
, td
, hi
);
476 td
->last_field_index
= field
->index
;
478 case HID_DG_TIPPRESSURE
:
479 hid_map_usage(hi
, usage
, bit
, max
,
480 EV_ABS
, ABS_MT_PRESSURE
);
481 set_abs(hi
->input
, ABS_MT_PRESSURE
, field
,
483 mt_store_field(usage
, td
, hi
);
484 td
->last_field_index
= field
->index
;
486 case HID_DG_CONTACTCOUNT
:
487 td
->cc_index
= field
->index
;
488 td
->cc_value_index
= usage
->usage_index
;
489 td
->last_field_index
= field
->index
;
491 case HID_DG_CONTACTMAX
:
492 /* we don't set td->last_slot_field as contactcount and
493 * contact max are global to the report */
494 td
->last_field_index
= field
->index
;
497 /* Legacy devices use TIPSWITCH and not TOUCH.
498 * Let's just ignore this field. */
501 /* let hid-input decide for the others */
505 code
= BTN_MOUSE
+ ((usage
->hid
- 1) & HID_USAGE
);
506 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
, code
);
507 input_set_capability(hi
->input
, EV_KEY
, code
);
511 /* we do not want to map these: no input-oriented meaning */
518 static int mt_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
519 struct hid_field
*field
, struct hid_usage
*usage
,
520 unsigned long **bit
, int *max
)
522 if (usage
->type
== EV_KEY
|| usage
->type
== EV_ABS
)
523 set_bit(usage
->type
, hi
->input
->evbit
);
528 static int mt_compute_slot(struct mt_device
*td
, struct input_dev
*input
)
530 __s32 quirks
= td
->mtclass
.quirks
;
532 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID
)
533 return td
->curdata
.contactid
;
535 if (quirks
& MT_QUIRK_CYPRESS
)
536 return cypress_compute_slot(td
);
538 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTNUMBER
)
539 return td
->num_received
;
541 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
)
542 return td
->curdata
.contactid
- 1;
544 return input_mt_get_slot_by_key(input
, td
->curdata
.contactid
);
548 * this function is called when a whole contact has been processed,
549 * so that it can assign it to a slot and store the data there
551 static void mt_complete_slot(struct mt_device
*td
, struct input_dev
*input
)
553 if ((td
->mtclass
.quirks
& MT_QUIRK_CONTACT_CNT_ACCURATE
) &&
554 td
->num_received
>= td
->num_expected
)
557 if (td
->curvalid
|| (td
->mtclass
.quirks
& MT_QUIRK_ALWAYS_VALID
)) {
558 int slotnum
= mt_compute_slot(td
, input
);
559 struct mt_slot
*s
= &td
->curdata
;
560 struct input_mt
*mt
= input
->mt
;
562 if (slotnum
< 0 || slotnum
>= td
->maxcontacts
)
565 if ((td
->mtclass
.quirks
& MT_QUIRK_IGNORE_DUPLICATES
) && mt
) {
566 struct input_mt_slot
*slot
= &mt
->slots
[slotnum
];
567 if (input_mt_is_active(slot
) &&
568 input_mt_is_used(mt
, slot
))
572 input_mt_slot(input
, slotnum
);
573 input_mt_report_slot_state(input
, MT_TOOL_FINGER
,
574 s
->touch_state
|| s
->inrange_state
);
575 if (s
->touch_state
|| s
->inrange_state
) {
576 /* this finger is in proximity of the sensor */
577 int wide
= (s
->w
> s
->h
);
578 /* divided by two to match visual scale of touch */
579 int major
= max(s
->w
, s
->h
) >> 1;
580 int minor
= min(s
->w
, s
->h
) >> 1;
582 input_event(input
, EV_ABS
, ABS_MT_POSITION_X
, s
->x
);
583 input_event(input
, EV_ABS
, ABS_MT_POSITION_Y
, s
->y
);
584 input_event(input
, EV_ABS
, ABS_MT_TOOL_X
, s
->cx
);
585 input_event(input
, EV_ABS
, ABS_MT_TOOL_Y
, s
->cy
);
586 input_event(input
, EV_ABS
, ABS_MT_DISTANCE
,
588 input_event(input
, EV_ABS
, ABS_MT_ORIENTATION
, wide
);
589 input_event(input
, EV_ABS
, ABS_MT_PRESSURE
, s
->p
);
590 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MAJOR
, major
);
591 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MINOR
, minor
);
599 * this function is called when a whole packet has been received and processed,
600 * so that it can decide what to send to the input layer.
602 static void mt_sync_frame(struct mt_device
*td
, struct input_dev
*input
)
604 input_mt_sync_frame(input
);
606 td
->num_received
= 0;
609 static int mt_event(struct hid_device
*hid
, struct hid_field
*field
,
610 struct hid_usage
*usage
, __s32 value
)
612 /* we will handle the hidinput part later, now remains hiddev */
613 if (hid
->claimed
& HID_CLAIMED_HIDDEV
&& hid
->hiddev_hid_event
)
614 hid
->hiddev_hid_event(hid
, field
, usage
, value
);
619 static void mt_process_mt_event(struct hid_device
*hid
, struct hid_field
*field
,
620 struct hid_usage
*usage
, __s32 value
)
622 struct mt_device
*td
= hid_get_drvdata(hid
);
623 __s32 quirks
= td
->mtclass
.quirks
;
624 struct input_dev
*input
= field
->hidinput
->input
;
626 if (hid
->claimed
& HID_CLAIMED_INPUT
) {
627 switch (usage
->hid
) {
629 if (quirks
& MT_QUIRK_VALID_IS_INRANGE
)
630 td
->curvalid
= value
;
631 if (quirks
& MT_QUIRK_HOVERING
)
632 td
->curdata
.inrange_state
= value
;
634 case HID_DG_TIPSWITCH
:
635 if (quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
)
636 td
->curvalid
= value
;
637 td
->curdata
.touch_state
= value
;
639 case HID_DG_CONFIDENCE
:
640 if (quirks
& MT_QUIRK_VALID_IS_CONFIDENCE
)
641 td
->curvalid
= value
;
643 case HID_DG_CONTACTID
:
644 td
->curdata
.contactid
= value
;
646 case HID_DG_TIPPRESSURE
:
647 td
->curdata
.p
= value
;
650 if (usage
->code
== ABS_MT_TOOL_X
)
651 td
->curdata
.cx
= value
;
653 td
->curdata
.x
= value
;
656 if (usage
->code
== ABS_MT_TOOL_Y
)
657 td
->curdata
.cy
= value
;
659 td
->curdata
.y
= value
;
662 td
->curdata
.w
= value
;
665 td
->curdata
.h
= value
;
667 case HID_DG_CONTACTCOUNT
:
675 input_event(input
, usage
->type
, usage
->code
,
680 if (usage
->usage_index
+ 1 == field
->report_count
) {
681 /* we only take into account the last report. */
682 if (usage
->hid
== td
->last_slot_field
)
683 mt_complete_slot(td
, input
);
685 if (field
->index
== td
->last_field_index
686 && td
->num_received
>= td
->num_expected
)
687 mt_sync_frame(td
, field
->hidinput
->input
);
693 static void mt_report(struct hid_device
*hid
, struct hid_report
*report
)
695 struct mt_device
*td
= hid_get_drvdata(hid
);
696 struct hid_field
*field
;
700 if (report
->id
!= td
->mt_report_id
)
703 if (!(hid
->claimed
& HID_CLAIMED_INPUT
))
707 * Includes multi-packet support where subsequent
708 * packets are sent with zero contactcount.
710 if (td
->cc_index
>= 0) {
711 struct hid_field
*field
= report
->field
[td
->cc_index
];
712 int value
= field
->value
[td
->cc_value_index
];
714 td
->num_expected
= value
;
717 for (r
= 0; r
< report
->maxfield
; r
++) {
718 field
= report
->field
[r
];
719 count
= field
->report_count
;
721 if (!(HID_MAIN_ITEM_VARIABLE
& field
->flags
))
724 for (n
= 0; n
< count
; n
++)
725 mt_process_mt_event(hid
, field
, &field
->usage
[n
],
730 static void mt_set_input_mode(struct hid_device
*hdev
)
732 struct mt_device
*td
= hid_get_drvdata(hdev
);
733 struct hid_report
*r
;
734 struct hid_report_enum
*re
;
736 if (td
->inputmode
< 0)
739 re
= &(hdev
->report_enum
[HID_FEATURE_REPORT
]);
740 r
= re
->report_id_hash
[td
->inputmode
];
742 r
->field
[0]->value
[td
->inputmode_index
] = 0x02;
743 usbhid_submit_report(hdev
, r
, USB_DIR_OUT
);
747 static void mt_set_maxcontacts(struct hid_device
*hdev
)
749 struct mt_device
*td
= hid_get_drvdata(hdev
);
750 struct hid_report
*r
;
751 struct hid_report_enum
*re
;
754 if (td
->maxcontact_report_id
< 0)
757 if (!td
->mtclass
.maxcontacts
)
760 re
= &hdev
->report_enum
[HID_FEATURE_REPORT
];
761 r
= re
->report_id_hash
[td
->maxcontact_report_id
];
763 max
= td
->mtclass
.maxcontacts
;
764 fieldmax
= r
->field
[0]->logical_maximum
;
765 max
= min(fieldmax
, max
);
766 if (r
->field
[0]->value
[0] != max
) {
767 r
->field
[0]->value
[0] = max
;
768 usbhid_submit_report(hdev
, r
, USB_DIR_OUT
);
773 static void mt_post_parse_default_settings(struct mt_device
*td
)
775 __s32 quirks
= td
->mtclass
.quirks
;
777 /* unknown serial device needs special quirks */
778 if (td
->touches_by_report
== 1) {
779 quirks
|= MT_QUIRK_ALWAYS_VALID
;
780 quirks
&= ~MT_QUIRK_NOT_SEEN_MEANS_UP
;
781 quirks
&= ~MT_QUIRK_VALID_IS_INRANGE
;
782 quirks
&= ~MT_QUIRK_VALID_IS_CONFIDENCE
;
783 quirks
&= ~MT_QUIRK_CONTACT_CNT_ACCURATE
;
786 td
->mtclass
.quirks
= quirks
;
789 static void mt_post_parse(struct mt_device
*td
)
791 struct mt_fields
*f
= td
->fields
;
792 struct mt_class
*cls
= &td
->mtclass
;
794 if (td
->touches_by_report
> 0) {
795 int field_count_per_touch
= f
->length
/ td
->touches_by_report
;
796 td
->last_slot_field
= f
->usages
[field_count_per_touch
- 1];
799 if (td
->cc_index
< 0)
800 cls
->quirks
&= ~MT_QUIRK_CONTACT_CNT_ACCURATE
;
803 static void mt_input_configured(struct hid_device
*hdev
, struct hid_input
*hi
)
806 struct mt_device
*td
= hid_get_drvdata(hdev
);
807 struct mt_class
*cls
= &td
->mtclass
;
808 struct input_dev
*input
= hi
->input
;
810 /* Only initialize slots for MT input devices */
811 if (!test_bit(ABS_MT_POSITION_X
, input
->absbit
))
814 if (!td
->maxcontacts
)
815 td
->maxcontacts
= MT_DEFAULT_MAXCONTACT
;
818 if (td
->serial_maybe
)
819 mt_post_parse_default_settings(td
);
821 if (cls
->is_indirect
)
822 td
->mt_flags
|= INPUT_MT_POINTER
;
824 if (cls
->quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
)
825 td
->mt_flags
|= INPUT_MT_DROP_UNUSED
;
827 input_mt_init_slots(input
, td
->maxcontacts
, td
->mt_flags
);
832 static int mt_probe(struct hid_device
*hdev
, const struct hid_device_id
*id
)
835 struct mt_device
*td
;
836 struct mt_class
*mtclass
= mt_classes
; /* MT_CLS_DEFAULT */
838 for (i
= 0; mt_classes
[i
].name
; i
++) {
839 if (id
->driver_data
== mt_classes
[i
].name
) {
840 mtclass
= &(mt_classes
[i
]);
845 /* This allows the driver to correctly support devices
846 * that emit events over several HID messages.
848 hdev
->quirks
|= HID_QUIRK_NO_INPUT_SYNC
;
850 td
= kzalloc(sizeof(struct mt_device
), GFP_KERNEL
);
852 dev_err(&hdev
->dev
, "cannot allocate multitouch data\n");
855 td
->mtclass
= *mtclass
;
857 td
->maxcontact_report_id
= -1;
859 hid_set_drvdata(hdev
, td
);
861 td
->fields
= kzalloc(sizeof(struct mt_fields
), GFP_KERNEL
);
863 dev_err(&hdev
->dev
, "cannot allocate multitouch fields data\n");
868 if (id
->vendor
== HID_ANY_ID
&& id
->product
== HID_ANY_ID
)
869 td
->serial_maybe
= true;
871 ret
= hid_parse(hdev
);
875 ret
= hid_hw_start(hdev
, HID_CONNECT_DEFAULT
);
879 ret
= sysfs_create_group(&hdev
->dev
.kobj
, &mt_attribute_group
);
881 mt_set_maxcontacts(hdev
);
882 mt_set_input_mode(hdev
);
896 static int mt_reset_resume(struct hid_device
*hdev
)
898 mt_set_maxcontacts(hdev
);
899 mt_set_input_mode(hdev
);
903 static int mt_resume(struct hid_device
*hdev
)
905 struct usb_interface
*intf
;
906 struct usb_host_interface
*interface
;
907 struct usb_device
*dev
;
909 if (hdev
->bus
!= BUS_USB
)
912 intf
= to_usb_interface(hdev
->dev
.parent
);
913 interface
= intf
->cur_altsetting
;
914 dev
= hid_to_usb_dev(hdev
);
916 /* Some Elan legacy devices require SET_IDLE to be set on resume.
917 * It should be safe to send it to other devices too.
918 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
920 usb_control_msg(dev
, usb_sndctrlpipe(dev
, 0),
922 USB_TYPE_CLASS
| USB_RECIP_INTERFACE
,
923 0, interface
->desc
.bInterfaceNumber
,
924 NULL
, 0, USB_CTRL_SET_TIMEOUT
);
930 static void mt_remove(struct hid_device
*hdev
)
932 struct mt_device
*td
= hid_get_drvdata(hdev
);
933 sysfs_remove_group(&hdev
->dev
.kobj
, &mt_attribute_group
);
936 hid_set_drvdata(hdev
, NULL
);
939 static const struct hid_device_id mt_devices
[] = {
942 { .driver_data
= MT_CLS_3M
,
943 MT_USB_DEVICE(USB_VENDOR_ID_3M
,
944 USB_DEVICE_ID_3M1968
) },
945 { .driver_data
= MT_CLS_3M
,
946 MT_USB_DEVICE(USB_VENDOR_ID_3M
,
947 USB_DEVICE_ID_3M2256
) },
948 { .driver_data
= MT_CLS_3M
,
949 MT_USB_DEVICE(USB_VENDOR_ID_3M
,
950 USB_DEVICE_ID_3M3266
) },
952 /* ActionStar panels */
953 { .driver_data
= MT_CLS_NSMU
,
954 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR
,
955 USB_DEVICE_ID_ACTIONSTAR_1011
) },
958 { .driver_data
= MT_CLS_SERIAL
,
959 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL
,
960 USB_DEVICE_ID_ATMEL_MULTITOUCH
) },
961 { .driver_data
= MT_CLS_SERIAL
,
962 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL
,
963 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER
) },
965 /* Baanto multitouch devices */
966 { .driver_data
= MT_CLS_NSMU
,
967 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO
,
968 USB_DEVICE_ID_BAANTO_MT_190W2
) },
970 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
971 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
972 USB_DEVICE_ID_CANDO_MULTI_TOUCH
) },
973 { .driver_data
= MT_CLS_DUAL_CONTACT_NUMBER
,
974 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
975 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1
) },
976 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
977 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
978 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6
) },
979 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
980 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
981 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6
) },
983 /* Chunghwa Telecom touch panels */
984 { .driver_data
= MT_CLS_NSMU
,
985 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT
,
986 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH
) },
989 { .driver_data
= MT_CLS_NSMU
,
990 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH
,
991 USB_DEVICE_ID_CVTOUCH_SCREEN
) },
994 { .driver_data
= MT_CLS_CYPRESS
,
995 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
,
996 USB_DEVICE_ID_CYPRESS_TRUETOUCH
) },
998 /* eGalax devices (resistive) */
999 { .driver_data
= MT_CLS_EGALAX
,
1000 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1001 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D
) },
1002 { .driver_data
= MT_CLS_EGALAX
,
1003 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1004 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E
) },
1006 /* eGalax devices (capacitive) */
1007 { .driver_data
= MT_CLS_EGALAX
,
1008 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1009 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C
) },
1010 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1011 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1012 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207
) },
1013 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1014 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1015 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E
) },
1016 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1017 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1018 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224
) },
1019 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1020 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1021 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A
) },
1022 { .driver_data
= MT_CLS_EGALAX
,
1023 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1024 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B
) },
1025 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1026 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1027 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262
) },
1028 { .driver_data
= MT_CLS_EGALAX
,
1029 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1030 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1
) },
1031 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1032 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1033 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA
) },
1034 { .driver_data
= MT_CLS_EGALAX
,
1035 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1036 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA
) },
1037 { .driver_data
= MT_CLS_EGALAX
,
1038 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1039 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302
) },
1040 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1041 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1042 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349
) },
1043 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1044 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1045 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7
) },
1046 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1047 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1048 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001
) },
1049 { .driver_data
= MT_CLS_EGALAX
,
1050 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1051 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224
) },
1052 { .driver_data
= MT_CLS_EGALAX
,
1053 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1054 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0
) },
1055 { .driver_data
= MT_CLS_EGALAX
,
1056 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1057 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4
) },
1059 /* Elo TouchSystems IntelliTouch Plus panel */
1060 { .driver_data
= MT_CLS_DUAL_CONTACT_ID
,
1061 MT_USB_DEVICE(USB_VENDOR_ID_ELO
,
1062 USB_DEVICE_ID_ELO_TS2515
) },
1064 /* Flatfrog Panels */
1065 { .driver_data
= MT_CLS_FLATFROG
,
1066 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG
,
1067 USB_DEVICE_ID_MULTITOUCH_3200
) },
1069 /* GeneralTouch panel */
1070 { .driver_data
= MT_CLS_GENERALTOUCH_TWOFINGERS
,
1071 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
,
1072 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS
) },
1073 { .driver_data
= MT_CLS_GENERALTOUCH_PWT_TENFINGERS
,
1074 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
,
1075 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS
) },
1077 /* Gametel game controller */
1078 { .driver_data
= MT_CLS_NSMU
,
1079 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL
,
1080 USB_DEVICE_ID_GAMETEL_MT_MODE
) },
1082 /* GoodTouch panels */
1083 { .driver_data
= MT_CLS_NSMU
,
1084 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH
,
1085 USB_DEVICE_ID_GOODTOUCH_000f
) },
1088 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1089 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT
,
1090 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH
) },
1093 { .driver_data
= MT_CLS_SERIAL
,
1094 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM
,
1095 USB_DEVICE_ID_IDEACOM_IDC6650
) },
1096 { .driver_data
= MT_CLS_SERIAL
,
1097 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM
,
1098 USB_DEVICE_ID_IDEACOM_IDC6651
) },
1100 /* Ilitek dual touch panel */
1101 { .driver_data
= MT_CLS_NSMU
,
1102 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK
,
1103 USB_DEVICE_ID_ILITEK_MULTITOUCH
) },
1105 /* IRTOUCH panels */
1106 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1107 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS
,
1108 USB_DEVICE_ID_IRTOUCH_INFRARED_USB
) },
1110 /* LG Display panels */
1111 { .driver_data
= MT_CLS_DEFAULT
,
1112 MT_USB_DEVICE(USB_VENDOR_ID_LG
,
1113 USB_DEVICE_ID_LG_MULTITOUCH
) },
1116 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1117 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
1118 USB_DEVICE_ID_CRYSTALTOUCH
) },
1119 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1120 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
1121 USB_DEVICE_ID_CRYSTALTOUCH_DUAL
) },
1124 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1125 MT_USB_DEVICE(USB_VENDOR_ID_ASUS
,
1126 USB_DEVICE_ID_ASUS_T91MT
)},
1127 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1128 MT_USB_DEVICE(USB_VENDOR_ID_ASUS
,
1129 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO
) },
1130 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1131 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX
,
1132 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART
) },
1135 { .driver_data
= MT_CLS_DEFAULT
,
1136 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO
,
1137 USB_DEVICE_ID_NEXIO_MULTITOUCH_420
)},
1139 /* Panasonic panels */
1140 { .driver_data
= MT_CLS_PANASONIC
,
1141 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC
,
1142 USB_DEVICE_ID_PANABOARD_UBT780
) },
1143 { .driver_data
= MT_CLS_PANASONIC
,
1144 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC
,
1145 USB_DEVICE_ID_PANABOARD_UBT880
) },
1148 { .driver_data
= MT_CLS_NSMU
,
1149 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK
,
1150 USB_DEVICE_ID_NOVATEK_PCT
) },
1152 /* PenMount panels */
1153 { .driver_data
= MT_CLS_CONFIDENCE
,
1154 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT
,
1155 USB_DEVICE_ID_PENMOUNT_PCI
) },
1157 /* PixArt optical touch screen */
1158 { .driver_data
= MT_CLS_INRANGE_CONTACTNUMBER
,
1159 MT_USB_DEVICE(USB_VENDOR_ID_PIXART
,
1160 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN
) },
1161 { .driver_data
= MT_CLS_INRANGE_CONTACTNUMBER
,
1162 MT_USB_DEVICE(USB_VENDOR_ID_PIXART
,
1163 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1
) },
1164 { .driver_data
= MT_CLS_INRANGE_CONTACTNUMBER
,
1165 MT_USB_DEVICE(USB_VENDOR_ID_PIXART
,
1166 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2
) },
1168 /* PixCir-based panels */
1169 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1170 MT_USB_DEVICE(USB_VENDOR_ID_HANVON
,
1171 USB_DEVICE_ID_HANVON_MULTITOUCH
) },
1172 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1173 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
1174 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH
) },
1176 /* Quanta-based panels */
1177 { .driver_data
= MT_CLS_CONFIDENCE_CONTACT_ID
,
1178 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA
,
1179 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH
) },
1180 { .driver_data
= MT_CLS_CONFIDENCE_CONTACT_ID
,
1181 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA
,
1182 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001
) },
1183 { .driver_data
= MT_CLS_CONFIDENCE_CONTACT_ID
,
1184 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA
,
1185 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008
) },
1187 /* Stantum panels */
1188 { .driver_data
= MT_CLS_CONFIDENCE
,
1189 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM
,
1190 USB_DEVICE_ID_MTP
)},
1191 { .driver_data
= MT_CLS_CONFIDENCE
,
1192 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM
,
1193 USB_DEVICE_ID_MTP_STM
)},
1194 { .driver_data
= MT_CLS_DEFAULT
,
1195 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX
,
1196 USB_DEVICE_ID_MTP_SITRONIX
)},
1198 /* TopSeed panels */
1199 { .driver_data
= MT_CLS_TOPSEED
,
1200 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2
,
1201 USB_DEVICE_ID_TOPSEED2_PERIPAD_701
) },
1203 /* Touch International panels */
1204 { .driver_data
= MT_CLS_NSMU
,
1205 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL
,
1206 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH
) },
1209 { .driver_data
= MT_CLS_NSMU
,
1210 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
1211 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709
) },
1212 { .driver_data
= MT_CLS_NSMU
,
1213 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
1214 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19
) },
1216 { .driver_data
= MT_CLS_NSMU
,
1217 MT_USB_DEVICE(USB_VENDOR_ID_XAT
,
1218 USB_DEVICE_ID_XAT_CSR
) },
1221 { .driver_data
= MT_CLS_NSMU
,
1222 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1223 USB_DEVICE_ID_XIROKU_SPX
) },
1224 { .driver_data
= MT_CLS_NSMU
,
1225 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1226 USB_DEVICE_ID_XIROKU_MPX
) },
1227 { .driver_data
= MT_CLS_NSMU
,
1228 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1229 USB_DEVICE_ID_XIROKU_CSR
) },
1230 { .driver_data
= MT_CLS_NSMU
,
1231 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1232 USB_DEVICE_ID_XIROKU_SPX1
) },
1233 { .driver_data
= MT_CLS_NSMU
,
1234 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1235 USB_DEVICE_ID_XIROKU_MPX1
) },
1236 { .driver_data
= MT_CLS_NSMU
,
1237 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1238 USB_DEVICE_ID_XIROKU_CSR1
) },
1239 { .driver_data
= MT_CLS_NSMU
,
1240 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1241 USB_DEVICE_ID_XIROKU_SPX2
) },
1242 { .driver_data
= MT_CLS_NSMU
,
1243 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1244 USB_DEVICE_ID_XIROKU_MPX2
) },
1245 { .driver_data
= MT_CLS_NSMU
,
1246 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1247 USB_DEVICE_ID_XIROKU_CSR2
) },
1249 /* Zytronic panels */
1250 { .driver_data
= MT_CLS_SERIAL
,
1251 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC
,
1252 USB_DEVICE_ID_ZYTRONIC_ZXY100
) },
1254 /* Generic MT device */
1255 { HID_DEVICE(HID_BUS_ANY
, HID_GROUP_MULTITOUCH
, HID_ANY_ID
, HID_ANY_ID
) },
1258 MODULE_DEVICE_TABLE(hid
, mt_devices
);
1260 static const struct hid_usage_id mt_grabbed_usages
[] = {
1261 { HID_ANY_ID
, HID_ANY_ID
, HID_ANY_ID
},
1262 { HID_ANY_ID
- 1, HID_ANY_ID
- 1, HID_ANY_ID
- 1}
1265 static struct hid_driver mt_driver
= {
1266 .name
= "hid-multitouch",
1267 .id_table
= mt_devices
,
1269 .remove
= mt_remove
,
1270 .input_mapping
= mt_input_mapping
,
1271 .input_mapped
= mt_input_mapped
,
1272 .input_configured
= mt_input_configured
,
1273 .feature_mapping
= mt_feature_mapping
,
1274 .usage_table
= mt_grabbed_usages
,
1276 .report
= mt_report
,
1278 .reset_resume
= mt_reset_resume
,
1279 .resume
= mt_resume
,
1282 module_hid_driver(mt_driver
);