2 * HID driver for multitouch panels
4 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
5 * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
7 * Copyright (c) 2012-2013 Red Hat, Inc
9 * This code is partly based on hid-egalax.c:
11 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
12 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
13 * Copyright (c) 2010 Canonical, Ltd.
15 * This code is partly based on hid-3m-pct.c:
17 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
18 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
19 * Copyright (c) 2010 Canonical, Ltd.
24 * This program is free software; you can redistribute it and/or modify it
25 * under the terms of the GNU General Public License as published by the Free
26 * Software Foundation; either version 2 of the License, or (at your option)
31 * This driver is regularly tested thanks to the tool hid-test[1].
32 * This tool relies on hid-replay[2] and a database of hid devices[3].
33 * Please run these regression tests before patching this module so that
34 * your patch won't break existing known devices.
36 * [1] https://github.com/bentiss/hid-test
37 * [2] https://github.com/bentiss/hid-replay
38 * [3] https://github.com/bentiss/hid-devices
41 #include <linux/device.h>
42 #include <linux/hid.h>
43 #include <linux/module.h>
44 #include <linux/slab.h>
45 #include <linux/usb.h>
46 #include <linux/input/mt.h>
47 #include <linux/string.h>
50 MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
51 MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
52 MODULE_DESCRIPTION("HID multitouch panels");
53 MODULE_LICENSE("GPL");
57 /* quirks to control the device */
58 #define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
59 #define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
60 #define MT_QUIRK_CYPRESS (1 << 2)
61 #define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
62 #define MT_QUIRK_ALWAYS_VALID (1 << 4)
63 #define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
64 #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
65 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
66 #define MT_QUIRK_NO_AREA (1 << 9)
67 #define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
68 #define MT_QUIRK_HOVERING (1 << 11)
69 #define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
72 __s32 x
, y
, cx
, cy
, p
, w
, h
;
73 __s32 contactid
; /* the device ContactID assigned to this slot */
74 bool touch_state
; /* is the touch valid? */
75 bool inrange_state
; /* is the finger in proximity of the sensor? */
79 __s32 name
; /* MT_CLS */
81 __s32 sn_move
; /* Signal/noise ratio for move events */
82 __s32 sn_width
; /* Signal/noise ratio for width events */
83 __s32 sn_height
; /* Signal/noise ratio for height events */
84 __s32 sn_pressure
; /* Signal/noise ratio for pressure events */
86 bool is_indirect
; /* true for touchpads */
90 unsigned usages
[HID_MAX_FIELDS
];
95 struct mt_slot curdata
; /* placeholder of incoming data */
96 struct mt_class mtclass
; /* our mt device class */
97 struct mt_fields
*fields
; /* temporary placeholder for storing the
99 int cc_index
; /* contact count field index in the report */
100 int cc_value_index
; /* contact count value index in the field */
101 unsigned last_slot_field
; /* the last field of a slot */
102 unsigned mt_report_id
; /* the report ID of the multitouch device */
103 unsigned pen_report_id
; /* the report ID of the pen device */
104 __s8 inputmode
; /* InputMode HID feature, -1 if non-existent */
105 __s8 inputmode_index
; /* InputMode HID feature index in the report */
106 __s8 maxcontact_report_id
; /* Maximum Contact Number HID feature,
107 -1 if non-existent */
108 __u8 num_received
; /* how many contacts we received */
109 __u8 num_expected
; /* expected last contact index */
111 __u8 touches_by_report
; /* how many touches are present in one report:
112 * 1 means we should use a serial protocol
113 * > 1 means hybrid (multitouch) protocol */
114 bool serial_maybe
; /* need to check for serial protocol */
115 bool curvalid
; /* is the current contact valid? */
116 unsigned mt_flags
; /* flags to pass to input-mt */
119 static void mt_post_parse_default_settings(struct mt_device
*td
);
120 static void mt_post_parse(struct mt_device
*td
);
122 /* classes of device behavior */
123 #define MT_CLS_DEFAULT 0x0001
125 #define MT_CLS_SERIAL 0x0002
126 #define MT_CLS_CONFIDENCE 0x0003
127 #define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
128 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
129 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
130 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
131 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
132 #define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
133 #define MT_CLS_NSMU 0x000a
134 #define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
135 #define MT_CLS_DUAL_CONTACT_ID 0x0011
137 /* vendor specific classes */
138 #define MT_CLS_3M 0x0101
139 #define MT_CLS_CYPRESS 0x0102
140 #define MT_CLS_EGALAX 0x0103
141 #define MT_CLS_EGALAX_SERIAL 0x0104
142 #define MT_CLS_TOPSEED 0x0105
143 #define MT_CLS_PANASONIC 0x0106
144 #define MT_CLS_FLATFROG 0x0107
145 #define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
146 #define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
148 #define MT_DEFAULT_MAXCONTACT 10
149 #define MT_MAX_MAXCONTACT 250
151 #define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
152 #define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
155 * these device-dependent functions determine what slot corresponds
156 * to a valid contact that was just read.
159 static int cypress_compute_slot(struct mt_device
*td
)
161 if (td
->curdata
.contactid
!= 0 || td
->num_received
== 0)
162 return td
->curdata
.contactid
;
167 static struct mt_class mt_classes
[] = {
168 { .name
= MT_CLS_DEFAULT
,
169 .quirks
= MT_QUIRK_ALWAYS_VALID
|
170 MT_QUIRK_CONTACT_CNT_ACCURATE
},
171 { .name
= MT_CLS_NSMU
,
172 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
},
173 { .name
= MT_CLS_SERIAL
,
174 .quirks
= MT_QUIRK_ALWAYS_VALID
},
175 { .name
= MT_CLS_CONFIDENCE
,
176 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
},
177 { .name
= MT_CLS_CONFIDENCE_CONTACT_ID
,
178 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
179 MT_QUIRK_SLOT_IS_CONTACTID
},
180 { .name
= MT_CLS_CONFIDENCE_MINUS_ONE
,
181 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
182 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
},
183 { .name
= MT_CLS_DUAL_INRANGE_CONTACTID
,
184 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
185 MT_QUIRK_SLOT_IS_CONTACTID
,
187 { .name
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
188 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
189 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
191 { .name
= MT_CLS_DUAL_NSMU_CONTACTID
,
192 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
193 MT_QUIRK_SLOT_IS_CONTACTID
,
195 { .name
= MT_CLS_INRANGE_CONTACTNUMBER
,
196 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
197 MT_QUIRK_SLOT_IS_CONTACTNUMBER
},
198 { .name
= MT_CLS_DUAL_CONTACT_NUMBER
,
199 .quirks
= MT_QUIRK_ALWAYS_VALID
|
200 MT_QUIRK_CONTACT_CNT_ACCURATE
|
201 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
203 { .name
= MT_CLS_DUAL_CONTACT_ID
,
204 .quirks
= MT_QUIRK_ALWAYS_VALID
|
205 MT_QUIRK_CONTACT_CNT_ACCURATE
|
206 MT_QUIRK_SLOT_IS_CONTACTID
,
210 * vendor specific classes
213 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
214 MT_QUIRK_SLOT_IS_CONTACTID
,
220 { .name
= MT_CLS_CYPRESS
,
221 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
224 { .name
= MT_CLS_EGALAX
,
225 .quirks
= MT_QUIRK_SLOT_IS_CONTACTID
|
226 MT_QUIRK_VALID_IS_INRANGE
,
230 { .name
= MT_CLS_EGALAX_SERIAL
,
231 .quirks
= MT_QUIRK_SLOT_IS_CONTACTID
|
232 MT_QUIRK_ALWAYS_VALID
,
236 { .name
= MT_CLS_TOPSEED
,
237 .quirks
= MT_QUIRK_ALWAYS_VALID
,
241 { .name
= MT_CLS_PANASONIC
,
242 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
,
244 { .name
= MT_CLS_GENERALTOUCH_TWOFINGERS
,
245 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
246 MT_QUIRK_VALID_IS_INRANGE
|
247 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
250 { .name
= MT_CLS_GENERALTOUCH_PWT_TENFINGERS
,
251 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
252 MT_QUIRK_SLOT_IS_CONTACTNUMBER
255 { .name
= MT_CLS_FLATFROG
,
256 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
264 static void mt_free_input_name(struct hid_input
*hi
)
266 struct hid_device
*hdev
= hi
->report
->device
;
267 const char *name
= hi
->input
->name
;
269 if (name
!= hdev
->name
) {
270 hi
->input
->name
= hdev
->name
;
275 static ssize_t
mt_show_quirks(struct device
*dev
,
276 struct device_attribute
*attr
,
279 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
280 struct mt_device
*td
= hid_get_drvdata(hdev
);
282 return sprintf(buf
, "%u\n", td
->mtclass
.quirks
);
285 static ssize_t
mt_set_quirks(struct device
*dev
,
286 struct device_attribute
*attr
,
287 const char *buf
, size_t count
)
289 struct hid_device
*hdev
= container_of(dev
, struct hid_device
, dev
);
290 struct mt_device
*td
= hid_get_drvdata(hdev
);
294 if (kstrtoul(buf
, 0, &val
))
297 td
->mtclass
.quirks
= val
;
299 if (td
->cc_index
< 0)
300 td
->mtclass
.quirks
&= ~MT_QUIRK_CONTACT_CNT_ACCURATE
;
305 static DEVICE_ATTR(quirks
, S_IWUSR
| S_IRUGO
, mt_show_quirks
, mt_set_quirks
);
307 static struct attribute
*sysfs_attrs
[] = {
308 &dev_attr_quirks
.attr
,
312 static struct attribute_group mt_attribute_group
= {
316 static void mt_feature_mapping(struct hid_device
*hdev
,
317 struct hid_field
*field
, struct hid_usage
*usage
)
319 struct mt_device
*td
= hid_get_drvdata(hdev
);
322 switch (usage
->hid
) {
323 case HID_DG_INPUTMODE
:
324 td
->inputmode
= field
->report
->id
;
325 td
->inputmode_index
= 0; /* has to be updated below */
327 for (i
=0; i
< field
->maxusage
; i
++) {
328 if (field
->usage
[i
].hid
== usage
->hid
) {
329 td
->inputmode_index
= i
;
335 case HID_DG_CONTACTMAX
:
336 td
->maxcontact_report_id
= field
->report
->id
;
337 td
->maxcontacts
= field
->value
[0];
338 if (!td
->maxcontacts
&&
339 field
->logical_maximum
<= MT_MAX_MAXCONTACT
)
340 td
->maxcontacts
= field
->logical_maximum
;
341 if (td
->mtclass
.maxcontacts
)
342 /* check if the maxcontacts is given by the class */
343 td
->maxcontacts
= td
->mtclass
.maxcontacts
;
347 if (field
->report_count
== 256 && field
->report_size
== 8) {
348 /* Win 8 devices need special quirks */
349 __s32
*quirks
= &td
->mtclass
.quirks
;
350 *quirks
|= MT_QUIRK_ALWAYS_VALID
;
351 *quirks
|= MT_QUIRK_IGNORE_DUPLICATES
;
352 *quirks
|= MT_QUIRK_HOVERING
;
353 *quirks
|= MT_QUIRK_CONTACT_CNT_ACCURATE
;
354 *quirks
&= ~MT_QUIRK_NOT_SEEN_MEANS_UP
;
355 *quirks
&= ~MT_QUIRK_VALID_IS_INRANGE
;
356 *quirks
&= ~MT_QUIRK_VALID_IS_CONFIDENCE
;
362 static void set_abs(struct input_dev
*input
, unsigned int code
,
363 struct hid_field
*field
, int snratio
)
365 int fmin
= field
->logical_minimum
;
366 int fmax
= field
->logical_maximum
;
367 int fuzz
= snratio
? (fmax
- fmin
) / snratio
: 0;
368 input_set_abs_params(input
, code
, fmin
, fmax
, fuzz
, 0);
369 input_abs_set_res(input
, code
, hidinput_calc_abs_res(field
, code
));
372 static void mt_store_field(struct hid_usage
*usage
, struct mt_device
*td
,
373 struct hid_input
*hi
)
375 struct mt_fields
*f
= td
->fields
;
377 if (f
->length
>= HID_MAX_FIELDS
)
380 f
->usages
[f
->length
++] = usage
->hid
;
383 static int mt_pen_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
384 struct hid_field
*field
, struct hid_usage
*usage
,
385 unsigned long **bit
, int *max
)
387 struct mt_device
*td
= hid_get_drvdata(hdev
);
389 td
->pen_report_id
= field
->report
->id
;
394 static int mt_pen_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
395 struct hid_field
*field
, struct hid_usage
*usage
,
396 unsigned long **bit
, int *max
)
401 static int mt_pen_event(struct hid_device
*hid
, struct hid_field
*field
,
402 struct hid_usage
*usage
, __s32 value
)
404 /* let hid-input handle it */
408 static void mt_pen_report(struct hid_device
*hid
, struct hid_report
*report
)
410 struct hid_field
*field
= report
->field
[0];
412 input_sync(field
->hidinput
->input
);
415 static void mt_pen_input_configured(struct hid_device
*hdev
,
416 struct hid_input
*hi
)
418 char *name
= kzalloc(strlen(hi
->input
->name
) + 5, GFP_KERNEL
);
420 sprintf(name
, "%s Pen", hi
->input
->name
);
421 mt_free_input_name(hi
);
422 hi
->input
->name
= name
;
425 /* force BTN_STYLUS to allow tablet matching in udev */
426 __set_bit(BTN_STYLUS
, hi
->input
->keybit
);
429 static int mt_touch_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
430 struct hid_field
*field
, struct hid_usage
*usage
,
431 unsigned long **bit
, int *max
)
433 struct mt_device
*td
= hid_get_drvdata(hdev
);
434 struct mt_class
*cls
= &td
->mtclass
;
436 struct hid_usage
*prev_usage
= NULL
;
438 if (field
->application
== HID_DG_TOUCHSCREEN
)
439 td
->mt_flags
|= INPUT_MT_DIRECT
;
442 * Model touchscreens providing buttons as touchpads.
444 if (field
->application
== HID_DG_TOUCHPAD
||
445 (usage
->hid
& HID_USAGE_PAGE
) == HID_UP_BUTTON
)
446 td
->mt_flags
|= INPUT_MT_POINTER
;
448 if (usage
->usage_index
)
449 prev_usage
= &field
->usage
[usage
->usage_index
- 1];
451 switch (usage
->hid
& HID_USAGE_PAGE
) {
454 switch (usage
->hid
) {
456 if (prev_usage
&& (prev_usage
->hid
== usage
->hid
)) {
457 hid_map_usage(hi
, usage
, bit
, max
,
458 EV_ABS
, ABS_MT_TOOL_X
);
459 set_abs(hi
->input
, ABS_MT_TOOL_X
, field
,
462 hid_map_usage(hi
, usage
, bit
, max
,
463 EV_ABS
, ABS_MT_POSITION_X
);
464 set_abs(hi
->input
, ABS_MT_POSITION_X
, field
,
468 mt_store_field(usage
, td
, hi
);
471 if (prev_usage
&& (prev_usage
->hid
== usage
->hid
)) {
472 hid_map_usage(hi
, usage
, bit
, max
,
473 EV_ABS
, ABS_MT_TOOL_Y
);
474 set_abs(hi
->input
, ABS_MT_TOOL_Y
, field
,
477 hid_map_usage(hi
, usage
, bit
, max
,
478 EV_ABS
, ABS_MT_POSITION_Y
);
479 set_abs(hi
->input
, ABS_MT_POSITION_Y
, field
,
483 mt_store_field(usage
, td
, hi
);
488 case HID_UP_DIGITIZER
:
489 switch (usage
->hid
) {
491 if (cls
->quirks
& MT_QUIRK_HOVERING
) {
492 hid_map_usage(hi
, usage
, bit
, max
,
493 EV_ABS
, ABS_MT_DISTANCE
);
494 input_set_abs_params(hi
->input
,
495 ABS_MT_DISTANCE
, 0, 1, 0, 0);
497 mt_store_field(usage
, td
, hi
);
499 case HID_DG_CONFIDENCE
:
500 mt_store_field(usage
, td
, hi
);
502 case HID_DG_TIPSWITCH
:
503 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
, BTN_TOUCH
);
504 input_set_capability(hi
->input
, EV_KEY
, BTN_TOUCH
);
505 mt_store_field(usage
, td
, hi
);
507 case HID_DG_CONTACTID
:
508 mt_store_field(usage
, td
, hi
);
509 td
->touches_by_report
++;
510 td
->mt_report_id
= field
->report
->id
;
513 hid_map_usage(hi
, usage
, bit
, max
,
514 EV_ABS
, ABS_MT_TOUCH_MAJOR
);
515 if (!(cls
->quirks
& MT_QUIRK_NO_AREA
))
516 set_abs(hi
->input
, ABS_MT_TOUCH_MAJOR
, field
,
518 mt_store_field(usage
, td
, hi
);
521 hid_map_usage(hi
, usage
, bit
, max
,
522 EV_ABS
, ABS_MT_TOUCH_MINOR
);
523 if (!(cls
->quirks
& MT_QUIRK_NO_AREA
)) {
524 set_abs(hi
->input
, ABS_MT_TOUCH_MINOR
, field
,
526 input_set_abs_params(hi
->input
,
527 ABS_MT_ORIENTATION
, 0, 1, 0, 0);
529 mt_store_field(usage
, td
, hi
);
531 case HID_DG_TIPPRESSURE
:
532 hid_map_usage(hi
, usage
, bit
, max
,
533 EV_ABS
, ABS_MT_PRESSURE
);
534 set_abs(hi
->input
, ABS_MT_PRESSURE
, field
,
536 mt_store_field(usage
, td
, hi
);
538 case HID_DG_CONTACTCOUNT
:
539 td
->cc_index
= field
->index
;
540 td
->cc_value_index
= usage
->usage_index
;
542 case HID_DG_CONTACTMAX
:
543 /* we don't set td->last_slot_field as contactcount and
544 * contact max are global to the report */
547 /* Legacy devices use TIPSWITCH and not TOUCH.
548 * Let's just ignore this field. */
551 /* let hid-input decide for the others */
555 code
= BTN_MOUSE
+ ((usage
->hid
- 1) & HID_USAGE
);
556 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
, code
);
557 input_set_capability(hi
->input
, EV_KEY
, code
);
561 /* we do not want to map these: no input-oriented meaning */
568 static int mt_touch_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
569 struct hid_field
*field
, struct hid_usage
*usage
,
570 unsigned long **bit
, int *max
)
572 if (usage
->type
== EV_KEY
|| usage
->type
== EV_ABS
)
573 set_bit(usage
->type
, hi
->input
->evbit
);
578 static int mt_compute_slot(struct mt_device
*td
, struct input_dev
*input
)
580 __s32 quirks
= td
->mtclass
.quirks
;
582 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID
)
583 return td
->curdata
.contactid
;
585 if (quirks
& MT_QUIRK_CYPRESS
)
586 return cypress_compute_slot(td
);
588 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTNUMBER
)
589 return td
->num_received
;
591 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
)
592 return td
->curdata
.contactid
- 1;
594 return input_mt_get_slot_by_key(input
, td
->curdata
.contactid
);
598 * this function is called when a whole contact has been processed,
599 * so that it can assign it to a slot and store the data there
601 static void mt_complete_slot(struct mt_device
*td
, struct input_dev
*input
)
603 if ((td
->mtclass
.quirks
& MT_QUIRK_CONTACT_CNT_ACCURATE
) &&
604 td
->num_received
>= td
->num_expected
)
607 if (td
->curvalid
|| (td
->mtclass
.quirks
& MT_QUIRK_ALWAYS_VALID
)) {
608 int slotnum
= mt_compute_slot(td
, input
);
609 struct mt_slot
*s
= &td
->curdata
;
610 struct input_mt
*mt
= input
->mt
;
612 if (slotnum
< 0 || slotnum
>= td
->maxcontacts
)
615 if ((td
->mtclass
.quirks
& MT_QUIRK_IGNORE_DUPLICATES
) && mt
) {
616 struct input_mt_slot
*slot
= &mt
->slots
[slotnum
];
617 if (input_mt_is_active(slot
) &&
618 input_mt_is_used(mt
, slot
))
622 input_mt_slot(input
, slotnum
);
623 input_mt_report_slot_state(input
, MT_TOOL_FINGER
,
624 s
->touch_state
|| s
->inrange_state
);
625 if (s
->touch_state
|| s
->inrange_state
) {
626 /* this finger is in proximity of the sensor */
627 int wide
= (s
->w
> s
->h
);
628 /* divided by two to match visual scale of touch */
629 int major
= max(s
->w
, s
->h
) >> 1;
630 int minor
= min(s
->w
, s
->h
) >> 1;
632 input_event(input
, EV_ABS
, ABS_MT_POSITION_X
, s
->x
);
633 input_event(input
, EV_ABS
, ABS_MT_POSITION_Y
, s
->y
);
634 input_event(input
, EV_ABS
, ABS_MT_TOOL_X
, s
->cx
);
635 input_event(input
, EV_ABS
, ABS_MT_TOOL_Y
, s
->cy
);
636 input_event(input
, EV_ABS
, ABS_MT_DISTANCE
,
638 input_event(input
, EV_ABS
, ABS_MT_ORIENTATION
, wide
);
639 input_event(input
, EV_ABS
, ABS_MT_PRESSURE
, s
->p
);
640 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MAJOR
, major
);
641 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MINOR
, minor
);
649 * this function is called when a whole packet has been received and processed,
650 * so that it can decide what to send to the input layer.
652 static void mt_sync_frame(struct mt_device
*td
, struct input_dev
*input
)
654 input_mt_sync_frame(input
);
656 td
->num_received
= 0;
659 static int mt_touch_event(struct hid_device
*hid
, struct hid_field
*field
,
660 struct hid_usage
*usage
, __s32 value
)
662 /* we will handle the hidinput part later, now remains hiddev */
663 if (hid
->claimed
& HID_CLAIMED_HIDDEV
&& hid
->hiddev_hid_event
)
664 hid
->hiddev_hid_event(hid
, field
, usage
, value
);
669 static void mt_process_mt_event(struct hid_device
*hid
, struct hid_field
*field
,
670 struct hid_usage
*usage
, __s32 value
)
672 struct mt_device
*td
= hid_get_drvdata(hid
);
673 __s32 quirks
= td
->mtclass
.quirks
;
674 struct input_dev
*input
= field
->hidinput
->input
;
676 if (hid
->claimed
& HID_CLAIMED_INPUT
) {
677 switch (usage
->hid
) {
679 if (quirks
& MT_QUIRK_VALID_IS_INRANGE
)
680 td
->curvalid
= value
;
681 if (quirks
& MT_QUIRK_HOVERING
)
682 td
->curdata
.inrange_state
= value
;
684 case HID_DG_TIPSWITCH
:
685 if (quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
)
686 td
->curvalid
= value
;
687 td
->curdata
.touch_state
= value
;
689 case HID_DG_CONFIDENCE
:
690 if (quirks
& MT_QUIRK_VALID_IS_CONFIDENCE
)
691 td
->curvalid
= value
;
693 case HID_DG_CONTACTID
:
694 td
->curdata
.contactid
= value
;
696 case HID_DG_TIPPRESSURE
:
697 td
->curdata
.p
= value
;
700 if (usage
->code
== ABS_MT_TOOL_X
)
701 td
->curdata
.cx
= value
;
703 td
->curdata
.x
= value
;
706 if (usage
->code
== ABS_MT_TOOL_Y
)
707 td
->curdata
.cy
= value
;
709 td
->curdata
.y
= value
;
712 td
->curdata
.w
= value
;
715 td
->curdata
.h
= value
;
717 case HID_DG_CONTACTCOUNT
:
725 input_event(input
, usage
->type
, usage
->code
,
730 if (usage
->usage_index
+ 1 == field
->report_count
) {
731 /* we only take into account the last report. */
732 if (usage
->hid
== td
->last_slot_field
)
733 mt_complete_slot(td
, field
->hidinput
->input
);
739 static void mt_touch_report(struct hid_device
*hid
, struct hid_report
*report
)
741 struct mt_device
*td
= hid_get_drvdata(hid
);
742 struct hid_field
*field
;
747 * Includes multi-packet support where subsequent
748 * packets are sent with zero contactcount.
750 if (td
->cc_index
>= 0) {
751 struct hid_field
*field
= report
->field
[td
->cc_index
];
752 int value
= field
->value
[td
->cc_value_index
];
754 td
->num_expected
= value
;
757 for (r
= 0; r
< report
->maxfield
; r
++) {
758 field
= report
->field
[r
];
759 count
= field
->report_count
;
761 if (!(HID_MAIN_ITEM_VARIABLE
& field
->flags
))
764 for (n
= 0; n
< count
; n
++)
765 mt_process_mt_event(hid
, field
, &field
->usage
[n
],
769 if (td
->num_received
>= td
->num_expected
)
770 mt_sync_frame(td
, report
->field
[0]->hidinput
->input
);
773 static void mt_touch_input_configured(struct hid_device
*hdev
,
774 struct hid_input
*hi
)
776 struct mt_device
*td
= hid_get_drvdata(hdev
);
777 struct mt_class
*cls
= &td
->mtclass
;
778 struct input_dev
*input
= hi
->input
;
780 if (!td
->maxcontacts
)
781 td
->maxcontacts
= MT_DEFAULT_MAXCONTACT
;
784 if (td
->serial_maybe
)
785 mt_post_parse_default_settings(td
);
787 if (cls
->is_indirect
)
788 td
->mt_flags
|= INPUT_MT_POINTER
;
790 if (cls
->quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
)
791 td
->mt_flags
|= INPUT_MT_DROP_UNUSED
;
793 input_mt_init_slots(input
, td
->maxcontacts
, td
->mt_flags
);
798 static int mt_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
799 struct hid_field
*field
, struct hid_usage
*usage
,
800 unsigned long **bit
, int *max
)
802 /* Only map fields from TouchScreen or TouchPad collections.
803 * We need to ignore fields that belong to other collections
804 * such as Mouse that might have the same GenericDesktop usages. */
805 if (field
->application
!= HID_DG_TOUCHSCREEN
&&
806 field
->application
!= HID_DG_PEN
&&
807 field
->application
!= HID_DG_TOUCHPAD
)
810 if (field
->physical
== HID_DG_STYLUS
)
811 return mt_pen_input_mapping(hdev
, hi
, field
, usage
, bit
, max
);
813 return mt_touch_input_mapping(hdev
, hi
, field
, usage
, bit
, max
);
816 static int mt_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
817 struct hid_field
*field
, struct hid_usage
*usage
,
818 unsigned long **bit
, int *max
)
820 if (field
->physical
== HID_DG_STYLUS
)
821 return mt_pen_input_mapped(hdev
, hi
, field
, usage
, bit
, max
);
823 return mt_touch_input_mapped(hdev
, hi
, field
, usage
, bit
, max
);
826 static int mt_event(struct hid_device
*hid
, struct hid_field
*field
,
827 struct hid_usage
*usage
, __s32 value
)
829 struct mt_device
*td
= hid_get_drvdata(hid
);
831 if (field
->report
->id
== td
->mt_report_id
)
832 return mt_touch_event(hid
, field
, usage
, value
);
834 if (field
->report
->id
== td
->pen_report_id
)
835 return mt_pen_event(hid
, field
, usage
, value
);
837 /* ignore other reports */
841 static void mt_report(struct hid_device
*hid
, struct hid_report
*report
)
843 struct mt_device
*td
= hid_get_drvdata(hid
);
845 if (!(hid
->claimed
& HID_CLAIMED_INPUT
))
848 if (report
->id
== td
->mt_report_id
)
849 mt_touch_report(hid
, report
);
851 if (report
->id
== td
->pen_report_id
)
852 mt_pen_report(hid
, report
);
855 static void mt_set_input_mode(struct hid_device
*hdev
)
857 struct mt_device
*td
= hid_get_drvdata(hdev
);
858 struct hid_report
*r
;
859 struct hid_report_enum
*re
;
861 if (td
->inputmode
< 0)
864 re
= &(hdev
->report_enum
[HID_FEATURE_REPORT
]);
865 r
= re
->report_id_hash
[td
->inputmode
];
867 r
->field
[0]->value
[td
->inputmode_index
] = 0x02;
868 hid_hw_request(hdev
, r
, HID_REQ_SET_REPORT
);
872 static void mt_set_maxcontacts(struct hid_device
*hdev
)
874 struct mt_device
*td
= hid_get_drvdata(hdev
);
875 struct hid_report
*r
;
876 struct hid_report_enum
*re
;
879 if (td
->maxcontact_report_id
< 0)
882 if (!td
->mtclass
.maxcontacts
)
885 re
= &hdev
->report_enum
[HID_FEATURE_REPORT
];
886 r
= re
->report_id_hash
[td
->maxcontact_report_id
];
888 max
= td
->mtclass
.maxcontacts
;
889 fieldmax
= r
->field
[0]->logical_maximum
;
890 max
= min(fieldmax
, max
);
891 if (r
->field
[0]->value
[0] != max
) {
892 r
->field
[0]->value
[0] = max
;
893 hid_hw_request(hdev
, r
, HID_REQ_SET_REPORT
);
898 static void mt_post_parse_default_settings(struct mt_device
*td
)
900 __s32 quirks
= td
->mtclass
.quirks
;
902 /* unknown serial device needs special quirks */
903 if (td
->touches_by_report
== 1) {
904 quirks
|= MT_QUIRK_ALWAYS_VALID
;
905 quirks
&= ~MT_QUIRK_NOT_SEEN_MEANS_UP
;
906 quirks
&= ~MT_QUIRK_VALID_IS_INRANGE
;
907 quirks
&= ~MT_QUIRK_VALID_IS_CONFIDENCE
;
908 quirks
&= ~MT_QUIRK_CONTACT_CNT_ACCURATE
;
911 td
->mtclass
.quirks
= quirks
;
914 static void mt_post_parse(struct mt_device
*td
)
916 struct mt_fields
*f
= td
->fields
;
917 struct mt_class
*cls
= &td
->mtclass
;
919 if (td
->touches_by_report
> 0) {
920 int field_count_per_touch
= f
->length
/ td
->touches_by_report
;
921 td
->last_slot_field
= f
->usages
[field_count_per_touch
- 1];
924 if (td
->cc_index
< 0)
925 cls
->quirks
&= ~MT_QUIRK_CONTACT_CNT_ACCURATE
;
928 static void mt_input_configured(struct hid_device
*hdev
, struct hid_input
*hi
)
930 struct mt_device
*td
= hid_get_drvdata(hdev
);
931 char *name
= kstrdup(hdev
->name
, GFP_KERNEL
);
934 hi
->input
->name
= name
;
936 if (hi
->report
->id
== td
->mt_report_id
)
937 mt_touch_input_configured(hdev
, hi
);
939 if (hi
->report
->id
== td
->pen_report_id
)
940 mt_pen_input_configured(hdev
, hi
);
943 static int mt_probe(struct hid_device
*hdev
, const struct hid_device_id
*id
)
946 struct mt_device
*td
;
947 struct mt_class
*mtclass
= mt_classes
; /* MT_CLS_DEFAULT */
948 struct hid_input
*hi
;
950 for (i
= 0; mt_classes
[i
].name
; i
++) {
951 if (id
->driver_data
== mt_classes
[i
].name
) {
952 mtclass
= &(mt_classes
[i
]);
957 /* This allows the driver to correctly support devices
958 * that emit events over several HID messages.
960 hdev
->quirks
|= HID_QUIRK_NO_INPUT_SYNC
;
963 * This allows the driver to handle different input sensors
964 * that emits events through different reports on the same HID
967 hdev
->quirks
|= HID_QUIRK_MULTI_INPUT
;
968 hdev
->quirks
|= HID_QUIRK_NO_EMPTY_INPUT
;
970 td
= kzalloc(sizeof(struct mt_device
), GFP_KERNEL
);
972 dev_err(&hdev
->dev
, "cannot allocate multitouch data\n");
975 td
->mtclass
= *mtclass
;
977 td
->maxcontact_report_id
= -1;
979 td
->mt_report_id
= -1;
980 td
->pen_report_id
= -1;
981 hid_set_drvdata(hdev
, td
);
983 td
->fields
= kzalloc(sizeof(struct mt_fields
), GFP_KERNEL
);
985 dev_err(&hdev
->dev
, "cannot allocate multitouch fields data\n");
990 if (id
->vendor
== HID_ANY_ID
&& id
->product
== HID_ANY_ID
)
991 td
->serial_maybe
= true;
993 ret
= hid_parse(hdev
);
997 ret
= hid_hw_start(hdev
, HID_CONNECT_DEFAULT
);
1001 ret
= sysfs_create_group(&hdev
->dev
.kobj
, &mt_attribute_group
);
1003 mt_set_maxcontacts(hdev
);
1004 mt_set_input_mode(hdev
);
1012 list_for_each_entry(hi
, &hdev
->inputs
, list
)
1013 mt_free_input_name(hi
);
1021 static int mt_reset_resume(struct hid_device
*hdev
)
1023 mt_set_maxcontacts(hdev
);
1024 mt_set_input_mode(hdev
);
1028 static int mt_resume(struct hid_device
*hdev
)
1030 /* Some Elan legacy devices require SET_IDLE to be set on resume.
1031 * It should be safe to send it to other devices too.
1032 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
1034 hid_hw_idle(hdev
, 0, 0, HID_REQ_SET_IDLE
);
1040 static void mt_remove(struct hid_device
*hdev
)
1042 struct mt_device
*td
= hid_get_drvdata(hdev
);
1043 struct hid_input
*hi
;
1045 sysfs_remove_group(&hdev
->dev
.kobj
, &mt_attribute_group
);
1046 list_for_each_entry(hi
, &hdev
->inputs
, list
)
1047 mt_free_input_name(hi
);
1052 hid_set_drvdata(hdev
, NULL
);
1055 static const struct hid_device_id mt_devices
[] = {
1058 { .driver_data
= MT_CLS_3M
,
1059 MT_USB_DEVICE(USB_VENDOR_ID_3M
,
1060 USB_DEVICE_ID_3M1968
) },
1061 { .driver_data
= MT_CLS_3M
,
1062 MT_USB_DEVICE(USB_VENDOR_ID_3M
,
1063 USB_DEVICE_ID_3M2256
) },
1064 { .driver_data
= MT_CLS_3M
,
1065 MT_USB_DEVICE(USB_VENDOR_ID_3M
,
1066 USB_DEVICE_ID_3M3266
) },
1068 /* ActionStar panels */
1069 { .driver_data
= MT_CLS_NSMU
,
1070 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR
,
1071 USB_DEVICE_ID_ACTIONSTAR_1011
) },
1074 { .driver_data
= MT_CLS_SERIAL
,
1075 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL
,
1076 USB_DEVICE_ID_ATMEL_MULTITOUCH
) },
1077 { .driver_data
= MT_CLS_SERIAL
,
1078 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL
,
1079 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER
) },
1081 /* Baanto multitouch devices */
1082 { .driver_data
= MT_CLS_NSMU
,
1083 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO
,
1084 USB_DEVICE_ID_BAANTO_MT_190W2
) },
1086 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
1087 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
1088 USB_DEVICE_ID_CANDO_MULTI_TOUCH
) },
1089 { .driver_data
= MT_CLS_DUAL_CONTACT_NUMBER
,
1090 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
1091 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1
) },
1092 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
1093 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
1094 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6
) },
1095 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
1096 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
1097 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6
) },
1099 /* Chunghwa Telecom touch panels */
1100 { .driver_data
= MT_CLS_NSMU
,
1101 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT
,
1102 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH
) },
1104 /* CVTouch panels */
1105 { .driver_data
= MT_CLS_NSMU
,
1106 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH
,
1107 USB_DEVICE_ID_CVTOUCH_SCREEN
) },
1110 { .driver_data
= MT_CLS_CYPRESS
,
1111 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
,
1112 USB_DEVICE_ID_CYPRESS_TRUETOUCH
) },
1114 /* eGalax devices (resistive) */
1115 { .driver_data
= MT_CLS_EGALAX
,
1116 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1117 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D
) },
1118 { .driver_data
= MT_CLS_EGALAX
,
1119 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1120 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E
) },
1122 /* eGalax devices (capacitive) */
1123 { .driver_data
= MT_CLS_EGALAX
,
1124 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1125 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C
) },
1126 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1127 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1128 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207
) },
1129 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1130 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1131 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E
) },
1132 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1133 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1134 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224
) },
1135 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1136 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1137 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A
) },
1138 { .driver_data
= MT_CLS_EGALAX
,
1139 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1140 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B
) },
1141 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1142 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1143 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262
) },
1144 { .driver_data
= MT_CLS_EGALAX
,
1145 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1146 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1
) },
1147 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1148 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1149 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA
) },
1150 { .driver_data
= MT_CLS_EGALAX
,
1151 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1152 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA
) },
1153 { .driver_data
= MT_CLS_EGALAX
,
1154 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1155 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302
) },
1156 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1157 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1158 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349
) },
1159 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1160 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1161 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7
) },
1162 { .driver_data
= MT_CLS_EGALAX_SERIAL
,
1163 MT_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1164 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001
) },
1165 { .driver_data
= MT_CLS_EGALAX
,
1166 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1167 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224
) },
1168 { .driver_data
= MT_CLS_EGALAX
,
1169 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1170 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0
) },
1171 { .driver_data
= MT_CLS_EGALAX
,
1172 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
1173 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4
) },
1175 /* Elo TouchSystems IntelliTouch Plus panel */
1176 { .driver_data
= MT_CLS_DUAL_CONTACT_ID
,
1177 MT_USB_DEVICE(USB_VENDOR_ID_ELO
,
1178 USB_DEVICE_ID_ELO_TS2515
) },
1180 /* Flatfrog Panels */
1181 { .driver_data
= MT_CLS_FLATFROG
,
1182 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG
,
1183 USB_DEVICE_ID_MULTITOUCH_3200
) },
1185 /* GeneralTouch panel */
1186 { .driver_data
= MT_CLS_GENERALTOUCH_TWOFINGERS
,
1187 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
,
1188 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS
) },
1189 { .driver_data
= MT_CLS_GENERALTOUCH_PWT_TENFINGERS
,
1190 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
,
1191 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS
) },
1193 /* Gametel game controller */
1194 { .driver_data
= MT_CLS_NSMU
,
1195 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL
,
1196 USB_DEVICE_ID_GAMETEL_MT_MODE
) },
1198 /* GoodTouch panels */
1199 { .driver_data
= MT_CLS_NSMU
,
1200 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH
,
1201 USB_DEVICE_ID_GOODTOUCH_000f
) },
1204 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1205 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT
,
1206 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH
) },
1209 { .driver_data
= MT_CLS_SERIAL
,
1210 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM
,
1211 USB_DEVICE_ID_IDEACOM_IDC6650
) },
1212 { .driver_data
= MT_CLS_SERIAL
,
1213 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM
,
1214 USB_DEVICE_ID_IDEACOM_IDC6651
) },
1216 /* Ilitek dual touch panel */
1217 { .driver_data
= MT_CLS_NSMU
,
1218 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK
,
1219 USB_DEVICE_ID_ILITEK_MULTITOUCH
) },
1221 /* IRTOUCH panels */
1222 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1223 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS
,
1224 USB_DEVICE_ID_IRTOUCH_INFRARED_USB
) },
1226 /* LG Display panels */
1227 { .driver_data
= MT_CLS_DEFAULT
,
1228 MT_USB_DEVICE(USB_VENDOR_ID_LG
,
1229 USB_DEVICE_ID_LG_MULTITOUCH
) },
1232 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1233 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
1234 USB_DEVICE_ID_CRYSTALTOUCH
) },
1235 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1236 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
1237 USB_DEVICE_ID_CRYSTALTOUCH_DUAL
) },
1240 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1241 MT_USB_DEVICE(USB_VENDOR_ID_ASUS
,
1242 USB_DEVICE_ID_ASUS_T91MT
)},
1243 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1244 MT_USB_DEVICE(USB_VENDOR_ID_ASUS
,
1245 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO
) },
1246 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
1247 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX
,
1248 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART
) },
1251 { .driver_data
= MT_CLS_DEFAULT
,
1252 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO
,
1253 USB_DEVICE_ID_NEXIO_MULTITOUCH_420
)},
1255 /* Panasonic panels */
1256 { .driver_data
= MT_CLS_PANASONIC
,
1257 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC
,
1258 USB_DEVICE_ID_PANABOARD_UBT780
) },
1259 { .driver_data
= MT_CLS_PANASONIC
,
1260 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC
,
1261 USB_DEVICE_ID_PANABOARD_UBT880
) },
1264 { .driver_data
= MT_CLS_NSMU
,
1265 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK
,
1266 USB_DEVICE_ID_NOVATEK_PCT
) },
1268 /* PenMount panels */
1269 { .driver_data
= MT_CLS_CONFIDENCE
,
1270 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT
,
1271 USB_DEVICE_ID_PENMOUNT_PCI
) },
1273 /* PixArt optical touch screen */
1274 { .driver_data
= MT_CLS_INRANGE_CONTACTNUMBER
,
1275 MT_USB_DEVICE(USB_VENDOR_ID_PIXART
,
1276 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN
) },
1277 { .driver_data
= MT_CLS_INRANGE_CONTACTNUMBER
,
1278 MT_USB_DEVICE(USB_VENDOR_ID_PIXART
,
1279 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1
) },
1280 { .driver_data
= MT_CLS_INRANGE_CONTACTNUMBER
,
1281 MT_USB_DEVICE(USB_VENDOR_ID_PIXART
,
1282 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2
) },
1284 /* PixCir-based panels */
1285 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1286 MT_USB_DEVICE(USB_VENDOR_ID_HANVON
,
1287 USB_DEVICE_ID_HANVON_MULTITOUCH
) },
1288 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
1289 MT_USB_DEVICE(USB_VENDOR_ID_CANDO
,
1290 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH
) },
1292 /* Quanta-based panels */
1293 { .driver_data
= MT_CLS_CONFIDENCE_CONTACT_ID
,
1294 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA
,
1295 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH
) },
1296 { .driver_data
= MT_CLS_CONFIDENCE_CONTACT_ID
,
1297 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA
,
1298 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001
) },
1299 { .driver_data
= MT_CLS_CONFIDENCE_CONTACT_ID
,
1300 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA
,
1301 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008
) },
1303 /* Stantum panels */
1304 { .driver_data
= MT_CLS_CONFIDENCE
,
1305 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM
,
1306 USB_DEVICE_ID_MTP
)},
1307 { .driver_data
= MT_CLS_CONFIDENCE
,
1308 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM
,
1309 USB_DEVICE_ID_MTP_STM
)},
1310 { .driver_data
= MT_CLS_DEFAULT
,
1311 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX
,
1312 USB_DEVICE_ID_MTP_SITRONIX
)},
1314 /* TopSeed panels */
1315 { .driver_data
= MT_CLS_TOPSEED
,
1316 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2
,
1317 USB_DEVICE_ID_TOPSEED2_PERIPAD_701
) },
1319 /* Touch International panels */
1320 { .driver_data
= MT_CLS_NSMU
,
1321 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL
,
1322 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH
) },
1325 { .driver_data
= MT_CLS_NSMU
,
1326 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
1327 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709
) },
1328 { .driver_data
= MT_CLS_NSMU
,
1329 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
1330 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19
) },
1332 { .driver_data
= MT_CLS_NSMU
,
1333 MT_USB_DEVICE(USB_VENDOR_ID_XAT
,
1334 USB_DEVICE_ID_XAT_CSR
) },
1337 { .driver_data
= MT_CLS_NSMU
,
1338 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1339 USB_DEVICE_ID_XIROKU_SPX
) },
1340 { .driver_data
= MT_CLS_NSMU
,
1341 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1342 USB_DEVICE_ID_XIROKU_MPX
) },
1343 { .driver_data
= MT_CLS_NSMU
,
1344 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1345 USB_DEVICE_ID_XIROKU_CSR
) },
1346 { .driver_data
= MT_CLS_NSMU
,
1347 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1348 USB_DEVICE_ID_XIROKU_SPX1
) },
1349 { .driver_data
= MT_CLS_NSMU
,
1350 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1351 USB_DEVICE_ID_XIROKU_MPX1
) },
1352 { .driver_data
= MT_CLS_NSMU
,
1353 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1354 USB_DEVICE_ID_XIROKU_CSR1
) },
1355 { .driver_data
= MT_CLS_NSMU
,
1356 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1357 USB_DEVICE_ID_XIROKU_SPX2
) },
1358 { .driver_data
= MT_CLS_NSMU
,
1359 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1360 USB_DEVICE_ID_XIROKU_MPX2
) },
1361 { .driver_data
= MT_CLS_NSMU
,
1362 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU
,
1363 USB_DEVICE_ID_XIROKU_CSR2
) },
1365 /* Zytronic panels */
1366 { .driver_data
= MT_CLS_SERIAL
,
1367 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC
,
1368 USB_DEVICE_ID_ZYTRONIC_ZXY100
) },
1370 /* Generic MT device */
1371 { HID_DEVICE(HID_BUS_ANY
, HID_GROUP_MULTITOUCH
, HID_ANY_ID
, HID_ANY_ID
) },
1374 MODULE_DEVICE_TABLE(hid
, mt_devices
);
1376 static const struct hid_usage_id mt_grabbed_usages
[] = {
1377 { HID_ANY_ID
, HID_ANY_ID
, HID_ANY_ID
},
1378 { HID_ANY_ID
- 1, HID_ANY_ID
- 1, HID_ANY_ID
- 1}
1381 static struct hid_driver mt_driver
= {
1382 .name
= "hid-multitouch",
1383 .id_table
= mt_devices
,
1385 .remove
= mt_remove
,
1386 .input_mapping
= mt_input_mapping
,
1387 .input_mapped
= mt_input_mapped
,
1388 .input_configured
= mt_input_configured
,
1389 .feature_mapping
= mt_feature_mapping
,
1390 .usage_table
= mt_grabbed_usages
,
1392 .report
= mt_report
,
1394 .reset_resume
= mt_reset_resume
,
1395 .resume
= mt_resume
,
1398 module_hid_driver(mt_driver
);