2 * HID driver for multitouch panels
4 * Copyright (c) 2010-2011 Stephane Chatty <chatty@enac.fr>
5 * Copyright (c) 2010-2011 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6 * Copyright (c) 2010-2011 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_VALID_IS_INRANGE (1 << 4)
51 #define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 5)
52 #define MT_QUIRK_EGALAX_XYZ_FIXUP (1 << 6)
53 #define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 7)
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 struct mt_slot curdata
; /* placeholder of incoming data */
64 struct mt_class
*mtclass
; /* our mt device class */
65 unsigned last_field_index
; /* last field index of the report */
66 unsigned last_slot_field
; /* the last field of a slot */
67 int last_mt_collection
; /* last known mt-related collection */
68 __s8 inputmode
; /* InputMode HID feature, -1 if non-existent */
69 __u8 num_received
; /* how many contacts we received */
70 __u8 num_expected
; /* expected last contact index */
72 bool curvalid
; /* is the current contact valid? */
73 struct mt_slot
*slots
;
77 __s32 name
; /* MT_CLS */
79 __s32 sn_move
; /* Signal/noise ratio for move events */
80 __s32 sn_width
; /* Signal/noise ratio for width events */
81 __s32 sn_height
; /* Signal/noise ratio for height events */
82 __s32 sn_pressure
; /* Signal/noise ratio for pressure events */
86 /* classes of device behavior */
87 #define MT_CLS_DEFAULT 0x0001
89 #define MT_CLS_CONFIDENCE 0x0002
90 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0003
91 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0004
92 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0005
93 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0006
95 /* vendor specific classes */
96 #define MT_CLS_3M 0x0101
97 #define MT_CLS_CYPRESS 0x0102
98 #define MT_CLS_EGALAX 0x0103
100 #define MT_DEFAULT_MAXCONTACT 10
103 * these device-dependent functions determine what slot corresponds
104 * to a valid contact that was just read.
107 static int cypress_compute_slot(struct mt_device
*td
)
109 if (td
->curdata
.contactid
!= 0 || td
->num_received
== 0)
110 return td
->curdata
.contactid
;
115 static int find_slot_from_contactid(struct mt_device
*td
)
118 for (i
= 0; i
< td
->maxcontacts
; ++i
) {
119 if (td
->slots
[i
].contactid
== td
->curdata
.contactid
&&
120 td
->slots
[i
].touch_state
)
123 for (i
= 0; i
< td
->maxcontacts
; ++i
) {
124 if (!td
->slots
[i
].seen_in_this_frame
&&
125 !td
->slots
[i
].touch_state
)
128 /* should not occurs. If this happens that means
129 * that the device sent more touches that it says
130 * in the report descriptor. It is ignored then. */
134 struct mt_class mt_classes
[] = {
135 { .name
= MT_CLS_DEFAULT
,
136 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
},
137 { .name
= MT_CLS_CONFIDENCE
,
138 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
},
139 { .name
= MT_CLS_CONFIDENCE_MINUS_ONE
,
140 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
141 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
},
142 { .name
= MT_CLS_DUAL_INRANGE_CONTACTID
,
143 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
144 MT_QUIRK_SLOT_IS_CONTACTID
,
146 { .name
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
147 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
148 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
150 { .name
= MT_CLS_DUAL_NSMU_CONTACTID
,
151 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
152 MT_QUIRK_SLOT_IS_CONTACTID
,
156 * vendor specific classes
159 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
160 MT_QUIRK_SLOT_IS_CONTACTID
,
164 { .name
= MT_CLS_CYPRESS
,
165 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
168 { .name
= MT_CLS_EGALAX
,
169 .quirks
= MT_QUIRK_SLOT_IS_CONTACTID
|
170 MT_QUIRK_VALID_IS_INRANGE
|
171 MT_QUIRK_EGALAX_XYZ_FIXUP
,
180 static void mt_feature_mapping(struct hid_device
*hdev
,
181 struct hid_field
*field
, struct hid_usage
*usage
)
183 struct mt_device
*td
= hid_get_drvdata(hdev
);
185 switch (usage
->hid
) {
186 case HID_DG_INPUTMODE
:
187 td
->inputmode
= field
->report
->id
;
189 case HID_DG_CONTACTMAX
:
190 td
->maxcontacts
= field
->value
[0];
191 if (td
->mtclass
->maxcontacts
)
192 /* check if the maxcontacts is given by the class */
193 td
->maxcontacts
= td
->mtclass
->maxcontacts
;
199 static void set_abs(struct input_dev
*input
, unsigned int code
,
200 struct hid_field
*field
, int snratio
)
202 int fmin
= field
->logical_minimum
;
203 int fmax
= field
->logical_maximum
;
204 int fuzz
= snratio
? (fmax
- fmin
) / snratio
: 0;
205 input_set_abs_params(input
, code
, fmin
, fmax
, fuzz
, 0);
208 static int mt_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
209 struct hid_field
*field
, struct hid_usage
*usage
,
210 unsigned long **bit
, int *max
)
212 struct mt_device
*td
= hid_get_drvdata(hdev
);
213 struct mt_class
*cls
= td
->mtclass
;
214 __s32 quirks
= cls
->quirks
;
216 switch (usage
->hid
& HID_USAGE_PAGE
) {
219 switch (usage
->hid
) {
221 if (quirks
& MT_QUIRK_EGALAX_XYZ_FIXUP
)
222 field
->logical_maximum
= 32760;
223 hid_map_usage(hi
, usage
, bit
, max
,
224 EV_ABS
, ABS_MT_POSITION_X
);
225 set_abs(hi
->input
, ABS_MT_POSITION_X
, field
,
227 /* touchscreen emulation */
228 set_abs(hi
->input
, ABS_X
, field
, cls
->sn_move
);
229 if (td
->last_mt_collection
== usage
->collection_index
) {
230 td
->last_slot_field
= usage
->hid
;
231 td
->last_field_index
= field
->index
;
235 if (quirks
& MT_QUIRK_EGALAX_XYZ_FIXUP
)
236 field
->logical_maximum
= 32760;
237 hid_map_usage(hi
, usage
, bit
, max
,
238 EV_ABS
, ABS_MT_POSITION_Y
);
239 set_abs(hi
->input
, ABS_MT_POSITION_Y
, field
,
241 /* touchscreen emulation */
242 set_abs(hi
->input
, ABS_Y
, field
, cls
->sn_move
);
243 if (td
->last_mt_collection
== usage
->collection_index
) {
244 td
->last_slot_field
= usage
->hid
;
245 td
->last_field_index
= field
->index
;
251 case HID_UP_DIGITIZER
:
252 switch (usage
->hid
) {
254 if (td
->last_mt_collection
== usage
->collection_index
) {
255 td
->last_slot_field
= usage
->hid
;
256 td
->last_field_index
= field
->index
;
259 case HID_DG_CONFIDENCE
:
260 if (td
->last_mt_collection
== usage
->collection_index
) {
261 td
->last_slot_field
= usage
->hid
;
262 td
->last_field_index
= field
->index
;
265 case HID_DG_TIPSWITCH
:
266 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
, BTN_TOUCH
);
267 input_set_capability(hi
->input
, EV_KEY
, BTN_TOUCH
);
268 if (td
->last_mt_collection
== usage
->collection_index
) {
269 td
->last_slot_field
= usage
->hid
;
270 td
->last_field_index
= field
->index
;
273 case HID_DG_CONTACTID
:
274 if (!td
->maxcontacts
)
275 td
->maxcontacts
= MT_DEFAULT_MAXCONTACT
;
276 input_mt_init_slots(hi
->input
, td
->maxcontacts
);
277 td
->last_slot_field
= usage
->hid
;
278 td
->last_field_index
= field
->index
;
279 td
->last_mt_collection
= usage
->collection_index
;
282 hid_map_usage(hi
, usage
, bit
, max
,
283 EV_ABS
, ABS_MT_TOUCH_MAJOR
);
284 set_abs(hi
->input
, ABS_MT_TOUCH_MAJOR
, field
,
286 if (td
->last_mt_collection
== usage
->collection_index
) {
287 td
->last_slot_field
= usage
->hid
;
288 td
->last_field_index
= field
->index
;
292 hid_map_usage(hi
, usage
, bit
, max
,
293 EV_ABS
, ABS_MT_TOUCH_MINOR
);
294 set_abs(hi
->input
, ABS_MT_TOUCH_MINOR
, field
,
296 input_set_abs_params(hi
->input
,
297 ABS_MT_ORIENTATION
, 0, 1, 0, 0);
298 if (td
->last_mt_collection
== usage
->collection_index
) {
299 td
->last_slot_field
= usage
->hid
;
300 td
->last_field_index
= field
->index
;
303 case HID_DG_TIPPRESSURE
:
304 if (quirks
& MT_QUIRK_EGALAX_XYZ_FIXUP
)
305 field
->logical_minimum
= 0;
306 hid_map_usage(hi
, usage
, bit
, max
,
307 EV_ABS
, ABS_MT_PRESSURE
);
308 set_abs(hi
->input
, ABS_MT_PRESSURE
, field
,
310 /* touchscreen emulation */
311 set_abs(hi
->input
, ABS_PRESSURE
, field
,
313 if (td
->last_mt_collection
== usage
->collection_index
) {
314 td
->last_slot_field
= usage
->hid
;
315 td
->last_field_index
= field
->index
;
318 case HID_DG_CONTACTCOUNT
:
319 if (td
->last_mt_collection
== usage
->collection_index
)
320 td
->last_field_index
= field
->index
;
322 case HID_DG_CONTACTMAX
:
323 /* we don't set td->last_slot_field as contactcount and
324 * contact max are global to the report */
325 if (td
->last_mt_collection
== usage
->collection_index
)
326 td
->last_field_index
= field
->index
;
329 /* let hid-input decide for the others */
333 /* we do not want to map these: no input-oriented meaning */
340 static int mt_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
341 struct hid_field
*field
, struct hid_usage
*usage
,
342 unsigned long **bit
, int *max
)
344 if (usage
->type
== EV_KEY
|| usage
->type
== EV_ABS
)
345 set_bit(usage
->type
, hi
->input
->evbit
);
350 static int mt_compute_slot(struct mt_device
*td
)
352 __s32 quirks
= td
->mtclass
->quirks
;
354 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID
)
355 return td
->curdata
.contactid
;
357 if (quirks
& MT_QUIRK_CYPRESS
)
358 return cypress_compute_slot(td
);
360 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTNUMBER
)
361 return td
->num_received
;
363 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
)
364 return td
->curdata
.contactid
- 1;
366 return find_slot_from_contactid(td
);
370 * this function is called when a whole contact has been processed,
371 * so that it can assign it to a slot and store the data there
373 static void mt_complete_slot(struct mt_device
*td
)
375 td
->curdata
.seen_in_this_frame
= true;
377 int slotnum
= mt_compute_slot(td
);
379 if (slotnum
>= 0 && slotnum
< td
->maxcontacts
)
380 td
->slots
[slotnum
] = td
->curdata
;
387 * this function is called when a whole packet has been received and processed,
388 * so that it can decide what to send to the input layer.
390 static void mt_emit_event(struct mt_device
*td
, struct input_dev
*input
)
394 for (i
= 0; i
< td
->maxcontacts
; ++i
) {
395 struct mt_slot
*s
= &(td
->slots
[i
]);
396 if ((td
->mtclass
->quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
) &&
397 !s
->seen_in_this_frame
) {
398 s
->touch_state
= false;
401 input_mt_slot(input
, i
);
402 input_mt_report_slot_state(input
, MT_TOOL_FINGER
,
404 if (s
->touch_state
) {
405 /* this finger is on the screen */
406 int wide
= (s
->w
> s
->h
);
407 /* divided by two to match visual scale of touch */
408 int major
= max(s
->w
, s
->h
) >> 1;
409 int minor
= min(s
->w
, s
->h
) >> 1;
411 input_event(input
, EV_ABS
, ABS_MT_POSITION_X
, s
->x
);
412 input_event(input
, EV_ABS
, ABS_MT_POSITION_Y
, s
->y
);
413 input_event(input
, EV_ABS
, ABS_MT_ORIENTATION
, wide
);
414 input_event(input
, EV_ABS
, ABS_MT_PRESSURE
, s
->p
);
415 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MAJOR
, major
);
416 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MINOR
, minor
);
418 s
->seen_in_this_frame
= false;
422 input_mt_report_pointer_emulation(input
, true);
424 td
->num_received
= 0;
429 static int mt_event(struct hid_device
*hid
, struct hid_field
*field
,
430 struct hid_usage
*usage
, __s32 value
)
432 struct mt_device
*td
= hid_get_drvdata(hid
);
433 __s32 quirks
= td
->mtclass
->quirks
;
435 if (hid
->claimed
& HID_CLAIMED_INPUT
&& td
->slots
) {
436 switch (usage
->hid
) {
438 if (quirks
& MT_QUIRK_VALID_IS_INRANGE
)
439 td
->curvalid
= value
;
441 case HID_DG_TIPSWITCH
:
442 if (quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
)
443 td
->curvalid
= value
;
444 td
->curdata
.touch_state
= value
;
446 case HID_DG_CONFIDENCE
:
447 if (quirks
& MT_QUIRK_VALID_IS_CONFIDENCE
)
448 td
->curvalid
= value
;
450 case HID_DG_CONTACTID
:
451 td
->curdata
.contactid
= value
;
453 case HID_DG_TIPPRESSURE
:
454 td
->curdata
.p
= value
;
457 td
->curdata
.x
= value
;
460 td
->curdata
.y
= value
;
463 td
->curdata
.w
= value
;
466 td
->curdata
.h
= value
;
468 case HID_DG_CONTACTCOUNT
:
470 * Includes multi-packet support where subsequent
471 * packets are sent with zero contactcount.
474 td
->num_expected
= value
;
478 /* fallback to the generic hidinput handling */
482 if (usage
->hid
== td
->last_slot_field
) {
483 mt_complete_slot(td
);
486 if (field
->index
== td
->last_field_index
487 && td
->num_received
>= td
->num_expected
)
488 mt_emit_event(td
, field
->hidinput
->input
);
492 /* we have handled the hidinput part, now remains hiddev */
493 if (hid
->claimed
& HID_CLAIMED_HIDDEV
&& hid
->hiddev_hid_event
)
494 hid
->hiddev_hid_event(hid
, field
, usage
, value
);
499 static void mt_set_input_mode(struct hid_device
*hdev
)
501 struct mt_device
*td
= hid_get_drvdata(hdev
);
502 struct hid_report
*r
;
503 struct hid_report_enum
*re
;
505 if (td
->inputmode
< 0)
508 re
= &(hdev
->report_enum
[HID_FEATURE_REPORT
]);
509 r
= re
->report_id_hash
[td
->inputmode
];
511 r
->field
[0]->value
[0] = 0x02;
512 usbhid_submit_report(hdev
, r
, USB_DIR_OUT
);
516 static int mt_probe(struct hid_device
*hdev
, const struct hid_device_id
*id
)
519 struct mt_device
*td
;
520 struct mt_class
*mtclass
= mt_classes
; /* MT_CLS_DEFAULT */
522 for (i
= 0; mt_classes
[i
].name
; i
++) {
523 if (id
->driver_data
== mt_classes
[i
].name
) {
524 mtclass
= &(mt_classes
[i
]);
529 /* This allows the driver to correctly support devices
530 * that emit events over several HID messages.
532 hdev
->quirks
|= HID_QUIRK_NO_INPUT_SYNC
;
534 td
= kzalloc(sizeof(struct mt_device
), GFP_KERNEL
);
536 dev_err(&hdev
->dev
, "cannot allocate multitouch data\n");
539 td
->mtclass
= mtclass
;
541 td
->last_mt_collection
= -1;
542 hid_set_drvdata(hdev
, td
);
544 ret
= hid_parse(hdev
);
548 ret
= hid_hw_start(hdev
, HID_CONNECT_DEFAULT
);
552 td
->slots
= kzalloc(td
->maxcontacts
* sizeof(struct mt_slot
),
555 dev_err(&hdev
->dev
, "cannot allocate multitouch slots\n");
561 mt_set_input_mode(hdev
);
571 static int mt_reset_resume(struct hid_device
*hdev
)
573 mt_set_input_mode(hdev
);
578 static void mt_remove(struct hid_device
*hdev
)
580 struct mt_device
*td
= hid_get_drvdata(hdev
);
584 hid_set_drvdata(hdev
, NULL
);
587 static const struct hid_device_id mt_devices
[] = {
590 { .driver_data
= MT_CLS_3M
,
591 HID_USB_DEVICE(USB_VENDOR_ID_3M
,
592 USB_DEVICE_ID_3M1968
) },
593 { .driver_data
= MT_CLS_3M
,
594 HID_USB_DEVICE(USB_VENDOR_ID_3M
,
595 USB_DEVICE_ID_3M2256
) },
597 /* ActionStar panels */
598 { .driver_data
= MT_CLS_DEFAULT
,
599 HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR
,
600 USB_DEVICE_ID_ACTIONSTAR_1011
) },
603 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
604 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
605 USB_DEVICE_ID_CANDO_MULTI_TOUCH
) },
606 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
607 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
608 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1
) },
609 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
610 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
611 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6
) },
612 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
613 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
614 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6
) },
616 /* Chunghwa Telecom touch panels */
617 { .driver_data
= MT_CLS_DEFAULT
,
618 HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT
,
619 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH
) },
622 { .driver_data
= MT_CLS_DEFAULT
,
623 HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH
,
624 USB_DEVICE_ID_CVTOUCH_SCREEN
) },
627 { .driver_data
= MT_CLS_CYPRESS
,
628 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
,
629 USB_DEVICE_ID_CYPRESS_TRUETOUCH
) },
631 /* eGalax devices (resistive) */
632 { .driver_data
= MT_CLS_EGALAX
,
633 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
634 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH
) },
635 { .driver_data
= MT_CLS_EGALAX
,
636 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
637 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3
) },
639 /* eGalax devices (capacitive) */
640 { .driver_data
= MT_CLS_EGALAX
,
641 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
642 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1
) },
643 { .driver_data
= MT_CLS_EGALAX
,
644 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
645 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2
) },
646 { .driver_data
= MT_CLS_EGALAX
,
647 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
648 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4
) },
649 { .driver_data
= MT_CLS_EGALAX
,
650 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
651 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH5
) },
653 /* Elo TouchSystems IntelliTouch Plus panel */
654 { .driver_data
= MT_CLS_DUAL_NSMU_CONTACTID
,
655 HID_USB_DEVICE(USB_VENDOR_ID_ELO
,
656 USB_DEVICE_ID_ELO_TS2515
) },
658 /* GeneralTouch panel */
659 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
660 HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
,
661 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS
) },
663 /* GoodTouch panels */
664 { .driver_data
= MT_CLS_DEFAULT
,
665 HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH
,
666 USB_DEVICE_ID_GOODTOUCH_000f
) },
668 /* Ilitek dual touch panel */
669 { .driver_data
= MT_CLS_DEFAULT
,
670 HID_USB_DEVICE(USB_VENDOR_ID_ILITEK
,
671 USB_DEVICE_ID_ILITEK_MULTITOUCH
) },
674 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
675 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS
,
676 USB_DEVICE_ID_IRTOUCH_INFRARED_USB
) },
678 /* LG Display panels */
679 { .driver_data
= MT_CLS_DEFAULT
,
680 HID_USB_DEVICE(USB_VENDOR_ID_LG
,
681 USB_DEVICE_ID_LG_MULTITOUCH
) },
684 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
685 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
686 USB_DEVICE_ID_CRYSTALTOUCH
) },
687 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
688 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
689 USB_DEVICE_ID_CRYSTALTOUCH_DUAL
) },
692 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
693 HID_USB_DEVICE(USB_VENDOR_ID_ASUS
,
694 USB_DEVICE_ID_ASUS_T91MT
)},
695 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
696 HID_USB_DEVICE(USB_VENDOR_ID_ASUS
,
697 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO
) },
698 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
699 HID_USB_DEVICE(USB_VENDOR_ID_TURBOX
,
700 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART
) },
702 /* PenMount panels */
703 { .driver_data
= MT_CLS_CONFIDENCE
,
704 HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT
,
705 USB_DEVICE_ID_PENMOUNT_PCI
) },
707 /* PixCir-based panels */
708 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
709 HID_USB_DEVICE(USB_VENDOR_ID_HANVON
,
710 USB_DEVICE_ID_HANVON_MULTITOUCH
) },
711 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
712 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
713 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH
) },
716 { .driver_data
= MT_CLS_CONFIDENCE
,
717 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM
,
719 { .driver_data
= MT_CLS_CONFIDENCE
,
720 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM
,
721 USB_DEVICE_ID_MTP_STM
)},
722 { .driver_data
= MT_CLS_CONFIDENCE
,
723 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX
,
724 USB_DEVICE_ID_MTP_SITRONIX
)},
726 /* Touch International panels */
727 { .driver_data
= MT_CLS_DEFAULT
,
728 HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL
,
729 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH
) },
732 { .driver_data
= MT_CLS_DEFAULT
,
733 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
734 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709
) },
735 { .driver_data
= MT_CLS_DEFAULT
,
736 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
737 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19
) },
741 MODULE_DEVICE_TABLE(hid
, mt_devices
);
743 static const struct hid_usage_id mt_grabbed_usages
[] = {
744 { HID_ANY_ID
, HID_ANY_ID
, HID_ANY_ID
},
745 { HID_ANY_ID
- 1, HID_ANY_ID
- 1, HID_ANY_ID
- 1}
748 static struct hid_driver mt_driver
= {
749 .name
= "hid-multitouch",
750 .id_table
= mt_devices
,
753 .input_mapping
= mt_input_mapping
,
754 .input_mapped
= mt_input_mapped
,
755 .feature_mapping
= mt_feature_mapping
,
756 .usage_table
= mt_grabbed_usages
,
759 .reset_resume
= mt_reset_resume
,
763 static int __init
mt_init(void)
765 return hid_register_driver(&mt_driver
);
768 static void __exit
mt_exit(void)
770 hid_unregister_driver(&mt_driver
);
773 module_init(mt_init
);
774 module_exit(mt_exit
);