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 __s8 inputmode
; /* InputMode HID feature, -1 if non-existent */
68 __u8 num_received
; /* how many contacts we received */
69 __u8 num_expected
; /* expected last contact index */
71 bool curvalid
; /* is the current contact valid? */
72 struct mt_slot
*slots
;
76 __s32 name
; /* MT_CLS */
78 __s32 sn_move
; /* Signal/noise ratio for move events */
79 __s32 sn_width
; /* Signal/noise ratio for width events */
80 __s32 sn_height
; /* Signal/noise ratio for height events */
81 __s32 sn_pressure
; /* Signal/noise ratio for pressure events */
85 /* classes of device behavior */
86 #define MT_CLS_DEFAULT 0x0001
88 #define MT_CLS_CONFIDENCE 0x0002
89 #define MT_CLS_CONFIDENCE_MINUS_ONE 0x0003
90 #define MT_CLS_DUAL_INRANGE_CONTACTID 0x0004
91 #define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0005
92 #define MT_CLS_DUAL_NSMU_CONTACTID 0x0006
94 /* vendor specific classes */
95 #define MT_CLS_3M 0x0101
96 #define MT_CLS_CYPRESS 0x0102
97 #define MT_CLS_EGALAX 0x0103
99 #define MT_DEFAULT_MAXCONTACT 10
102 * these device-dependent functions determine what slot corresponds
103 * to a valid contact that was just read.
106 static int cypress_compute_slot(struct mt_device
*td
)
108 if (td
->curdata
.contactid
!= 0 || td
->num_received
== 0)
109 return td
->curdata
.contactid
;
114 static int find_slot_from_contactid(struct mt_device
*td
)
117 for (i
= 0; i
< td
->maxcontacts
; ++i
) {
118 if (td
->slots
[i
].contactid
== td
->curdata
.contactid
&&
119 td
->slots
[i
].touch_state
)
122 for (i
= 0; i
< td
->maxcontacts
; ++i
) {
123 if (!td
->slots
[i
].seen_in_this_frame
&&
124 !td
->slots
[i
].touch_state
)
127 /* should not occurs. If this happens that means
128 * that the device sent more touches that it says
129 * in the report descriptor. It is ignored then. */
133 struct mt_class mt_classes
[] = {
134 { .name
= MT_CLS_DEFAULT
,
135 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
},
136 { .name
= MT_CLS_CONFIDENCE
,
137 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
},
138 { .name
= MT_CLS_CONFIDENCE_MINUS_ONE
,
139 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
140 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
},
141 { .name
= MT_CLS_DUAL_INRANGE_CONTACTID
,
142 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
143 MT_QUIRK_SLOT_IS_CONTACTID
,
145 { .name
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
146 .quirks
= MT_QUIRK_VALID_IS_INRANGE
|
147 MT_QUIRK_SLOT_IS_CONTACTNUMBER
,
149 { .name
= MT_CLS_DUAL_NSMU_CONTACTID
,
150 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
151 MT_QUIRK_SLOT_IS_CONTACTID
,
155 * vendor specific classes
158 .quirks
= MT_QUIRK_VALID_IS_CONFIDENCE
|
159 MT_QUIRK_SLOT_IS_CONTACTID
,
163 { .name
= MT_CLS_CYPRESS
,
164 .quirks
= MT_QUIRK_NOT_SEEN_MEANS_UP
|
167 { .name
= MT_CLS_EGALAX
,
168 .quirks
= MT_QUIRK_SLOT_IS_CONTACTID
|
169 MT_QUIRK_VALID_IS_INRANGE
|
170 MT_QUIRK_EGALAX_XYZ_FIXUP
,
179 static void mt_feature_mapping(struct hid_device
*hdev
,
180 struct hid_field
*field
, struct hid_usage
*usage
)
182 struct mt_device
*td
= hid_get_drvdata(hdev
);
184 switch (usage
->hid
) {
185 case HID_DG_INPUTMODE
:
186 td
->inputmode
= field
->report
->id
;
188 case HID_DG_CONTACTMAX
:
189 td
->maxcontacts
= field
->value
[0];
190 if (td
->mtclass
->maxcontacts
)
191 /* check if the maxcontacts is given by the class */
192 td
->maxcontacts
= td
->mtclass
->maxcontacts
;
198 static void set_abs(struct input_dev
*input
, unsigned int code
,
199 struct hid_field
*field
, int snratio
)
201 int fmin
= field
->logical_minimum
;
202 int fmax
= field
->logical_maximum
;
203 int fuzz
= snratio
? (fmax
- fmin
) / snratio
: 0;
204 input_set_abs_params(input
, code
, fmin
, fmax
, fuzz
, 0);
207 static int mt_input_mapping(struct hid_device
*hdev
, struct hid_input
*hi
,
208 struct hid_field
*field
, struct hid_usage
*usage
,
209 unsigned long **bit
, int *max
)
211 struct mt_device
*td
= hid_get_drvdata(hdev
);
212 struct mt_class
*cls
= td
->mtclass
;
213 __s32 quirks
= cls
->quirks
;
215 switch (usage
->hid
& HID_USAGE_PAGE
) {
218 switch (usage
->hid
) {
220 if (quirks
& MT_QUIRK_EGALAX_XYZ_FIXUP
)
221 field
->logical_maximum
= 32760;
222 hid_map_usage(hi
, usage
, bit
, max
,
223 EV_ABS
, ABS_MT_POSITION_X
);
224 set_abs(hi
->input
, ABS_MT_POSITION_X
, field
,
226 /* touchscreen emulation */
227 set_abs(hi
->input
, ABS_X
, field
, cls
->sn_move
);
228 td
->last_slot_field
= usage
->hid
;
229 td
->last_field_index
= field
->index
;
232 if (quirks
& MT_QUIRK_EGALAX_XYZ_FIXUP
)
233 field
->logical_maximum
= 32760;
234 hid_map_usage(hi
, usage
, bit
, max
,
235 EV_ABS
, ABS_MT_POSITION_Y
);
236 set_abs(hi
->input
, ABS_MT_POSITION_Y
, field
,
238 /* touchscreen emulation */
239 set_abs(hi
->input
, ABS_Y
, field
, cls
->sn_move
);
240 td
->last_slot_field
= usage
->hid
;
241 td
->last_field_index
= field
->index
;
246 case HID_UP_DIGITIZER
:
247 switch (usage
->hid
) {
249 td
->last_slot_field
= usage
->hid
;
250 td
->last_field_index
= field
->index
;
252 case HID_DG_CONFIDENCE
:
253 td
->last_slot_field
= usage
->hid
;
254 td
->last_field_index
= field
->index
;
256 case HID_DG_TIPSWITCH
:
257 hid_map_usage(hi
, usage
, bit
, max
, EV_KEY
, BTN_TOUCH
);
258 input_set_capability(hi
->input
, EV_KEY
, BTN_TOUCH
);
259 td
->last_slot_field
= usage
->hid
;
260 td
->last_field_index
= field
->index
;
262 case HID_DG_CONTACTID
:
263 input_mt_init_slots(hi
->input
, td
->maxcontacts
);
264 td
->last_slot_field
= usage
->hid
;
265 td
->last_field_index
= field
->index
;
268 hid_map_usage(hi
, usage
, bit
, max
,
269 EV_ABS
, ABS_MT_TOUCH_MAJOR
);
270 set_abs(hi
->input
, ABS_MT_TOUCH_MAJOR
, field
,
272 td
->last_slot_field
= usage
->hid
;
273 td
->last_field_index
= field
->index
;
276 hid_map_usage(hi
, usage
, bit
, max
,
277 EV_ABS
, ABS_MT_TOUCH_MINOR
);
278 set_abs(hi
->input
, ABS_MT_TOUCH_MINOR
, field
,
280 input_set_abs_params(hi
->input
,
281 ABS_MT_ORIENTATION
, 0, 1, 0, 0);
282 td
->last_slot_field
= usage
->hid
;
283 td
->last_field_index
= field
->index
;
285 case HID_DG_TIPPRESSURE
:
286 if (quirks
& MT_QUIRK_EGALAX_XYZ_FIXUP
)
287 field
->logical_minimum
= 0;
288 hid_map_usage(hi
, usage
, bit
, max
,
289 EV_ABS
, ABS_MT_PRESSURE
);
290 set_abs(hi
->input
, ABS_MT_PRESSURE
, field
,
292 /* touchscreen emulation */
293 set_abs(hi
->input
, ABS_PRESSURE
, field
,
295 td
->last_slot_field
= usage
->hid
;
296 td
->last_field_index
= field
->index
;
298 case HID_DG_CONTACTCOUNT
:
299 td
->last_field_index
= field
->index
;
301 case HID_DG_CONTACTMAX
:
302 /* we don't set td->last_slot_field as contactcount and
303 * contact max are global to the report */
304 td
->last_field_index
= field
->index
;
307 /* let hid-input decide for the others */
311 /* we do not want to map these: no input-oriented meaning */
318 static int mt_input_mapped(struct hid_device
*hdev
, struct hid_input
*hi
,
319 struct hid_field
*field
, struct hid_usage
*usage
,
320 unsigned long **bit
, int *max
)
322 if (usage
->type
== EV_KEY
|| usage
->type
== EV_ABS
)
323 set_bit(usage
->type
, hi
->input
->evbit
);
328 static int mt_compute_slot(struct mt_device
*td
)
330 __s32 quirks
= td
->mtclass
->quirks
;
332 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID
)
333 return td
->curdata
.contactid
;
335 if (quirks
& MT_QUIRK_CYPRESS
)
336 return cypress_compute_slot(td
);
338 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTNUMBER
)
339 return td
->num_received
;
341 if (quirks
& MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE
)
342 return td
->curdata
.contactid
- 1;
344 return find_slot_from_contactid(td
);
348 * this function is called when a whole contact has been processed,
349 * so that it can assign it to a slot and store the data there
351 static void mt_complete_slot(struct mt_device
*td
)
353 td
->curdata
.seen_in_this_frame
= true;
355 int slotnum
= mt_compute_slot(td
);
357 if (slotnum
>= 0 && slotnum
< td
->maxcontacts
)
358 td
->slots
[slotnum
] = td
->curdata
;
365 * this function is called when a whole packet has been received and processed,
366 * so that it can decide what to send to the input layer.
368 static void mt_emit_event(struct mt_device
*td
, struct input_dev
*input
)
372 for (i
= 0; i
< td
->maxcontacts
; ++i
) {
373 struct mt_slot
*s
= &(td
->slots
[i
]);
374 if ((td
->mtclass
->quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
) &&
375 !s
->seen_in_this_frame
) {
376 s
->touch_state
= false;
379 input_mt_slot(input
, i
);
380 input_mt_report_slot_state(input
, MT_TOOL_FINGER
,
382 if (s
->touch_state
) {
383 /* this finger is on the screen */
384 int wide
= (s
->w
> s
->h
);
385 /* divided by two to match visual scale of touch */
386 int major
= max(s
->w
, s
->h
) >> 1;
387 int minor
= min(s
->w
, s
->h
) >> 1;
389 input_event(input
, EV_ABS
, ABS_MT_POSITION_X
, s
->x
);
390 input_event(input
, EV_ABS
, ABS_MT_POSITION_Y
, s
->y
);
391 input_event(input
, EV_ABS
, ABS_MT_ORIENTATION
, wide
);
392 input_event(input
, EV_ABS
, ABS_MT_PRESSURE
, s
->p
);
393 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MAJOR
, major
);
394 input_event(input
, EV_ABS
, ABS_MT_TOUCH_MINOR
, minor
);
396 s
->seen_in_this_frame
= false;
400 input_mt_report_pointer_emulation(input
, true);
402 td
->num_received
= 0;
407 static int mt_event(struct hid_device
*hid
, struct hid_field
*field
,
408 struct hid_usage
*usage
, __s32 value
)
410 struct mt_device
*td
= hid_get_drvdata(hid
);
411 __s32 quirks
= td
->mtclass
->quirks
;
413 if (hid
->claimed
& HID_CLAIMED_INPUT
&& td
->slots
) {
414 switch (usage
->hid
) {
416 if (quirks
& MT_QUIRK_VALID_IS_INRANGE
)
417 td
->curvalid
= value
;
419 case HID_DG_TIPSWITCH
:
420 if (quirks
& MT_QUIRK_NOT_SEEN_MEANS_UP
)
421 td
->curvalid
= value
;
422 td
->curdata
.touch_state
= value
;
424 case HID_DG_CONFIDENCE
:
425 if (quirks
& MT_QUIRK_VALID_IS_CONFIDENCE
)
426 td
->curvalid
= value
;
428 case HID_DG_CONTACTID
:
429 td
->curdata
.contactid
= value
;
431 case HID_DG_TIPPRESSURE
:
432 td
->curdata
.p
= value
;
435 td
->curdata
.x
= value
;
438 td
->curdata
.y
= value
;
441 td
->curdata
.w
= value
;
444 td
->curdata
.h
= value
;
446 case HID_DG_CONTACTCOUNT
:
448 * Includes multi-packet support where subsequent
449 * packets are sent with zero contactcount.
452 td
->num_expected
= value
;
456 /* fallback to the generic hidinput handling */
460 if (usage
->hid
== td
->last_slot_field
) {
461 mt_complete_slot(td
);
464 if (field
->index
== td
->last_field_index
465 && td
->num_received
>= td
->num_expected
)
466 mt_emit_event(td
, field
->hidinput
->input
);
470 /* we have handled the hidinput part, now remains hiddev */
471 if (hid
->claimed
& HID_CLAIMED_HIDDEV
&& hid
->hiddev_hid_event
)
472 hid
->hiddev_hid_event(hid
, field
, usage
, value
);
477 static void mt_set_input_mode(struct hid_device
*hdev
)
479 struct mt_device
*td
= hid_get_drvdata(hdev
);
480 struct hid_report
*r
;
481 struct hid_report_enum
*re
;
483 if (td
->inputmode
< 0)
486 re
= &(hdev
->report_enum
[HID_FEATURE_REPORT
]);
487 r
= re
->report_id_hash
[td
->inputmode
];
489 r
->field
[0]->value
[0] = 0x02;
490 usbhid_submit_report(hdev
, r
, USB_DIR_OUT
);
494 static int mt_probe(struct hid_device
*hdev
, const struct hid_device_id
*id
)
497 struct mt_device
*td
;
498 struct mt_class
*mtclass
= mt_classes
; /* MT_CLS_DEFAULT */
500 for (i
= 0; mt_classes
[i
].name
; i
++) {
501 if (id
->driver_data
== mt_classes
[i
].name
) {
502 mtclass
= &(mt_classes
[i
]);
507 /* This allows the driver to correctly support devices
508 * that emit events over several HID messages.
510 hdev
->quirks
|= HID_QUIRK_NO_INPUT_SYNC
;
512 td
= kzalloc(sizeof(struct mt_device
), GFP_KERNEL
);
514 dev_err(&hdev
->dev
, "cannot allocate multitouch data\n");
517 td
->mtclass
= mtclass
;
519 hid_set_drvdata(hdev
, td
);
521 ret
= hid_parse(hdev
);
525 ret
= hid_hw_start(hdev
, HID_CONNECT_DEFAULT
);
529 if (!td
->maxcontacts
)
530 td
->maxcontacts
= MT_DEFAULT_MAXCONTACT
;
532 td
->slots
= kzalloc(td
->maxcontacts
* sizeof(struct mt_slot
),
535 dev_err(&hdev
->dev
, "cannot allocate multitouch slots\n");
541 mt_set_input_mode(hdev
);
551 static int mt_reset_resume(struct hid_device
*hdev
)
553 mt_set_input_mode(hdev
);
558 static void mt_remove(struct hid_device
*hdev
)
560 struct mt_device
*td
= hid_get_drvdata(hdev
);
564 hid_set_drvdata(hdev
, NULL
);
567 static const struct hid_device_id mt_devices
[] = {
570 { .driver_data
= MT_CLS_3M
,
571 HID_USB_DEVICE(USB_VENDOR_ID_3M
,
572 USB_DEVICE_ID_3M1968
) },
573 { .driver_data
= MT_CLS_3M
,
574 HID_USB_DEVICE(USB_VENDOR_ID_3M
,
575 USB_DEVICE_ID_3M2256
) },
577 /* ActionStar panels */
578 { .driver_data
= MT_CLS_DEFAULT
,
579 HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR
,
580 USB_DEVICE_ID_ACTIONSTAR_1011
) },
583 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
584 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
585 USB_DEVICE_ID_CANDO_MULTI_TOUCH
) },
586 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
587 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
588 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1
) },
589 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
590 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
591 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6
) },
592 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
593 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
594 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6
) },
597 { .driver_data
= MT_CLS_DEFAULT
,
598 HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH
,
599 USB_DEVICE_ID_CVTOUCH_SCREEN
) },
602 { .driver_data
= MT_CLS_CYPRESS
,
603 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS
,
604 USB_DEVICE_ID_CYPRESS_TRUETOUCH
) },
606 /* eGalax devices (resistive) */
607 { .driver_data
= MT_CLS_EGALAX
,
608 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
609 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH
) },
610 { .driver_data
= MT_CLS_EGALAX
,
611 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
612 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3
) },
614 /* eGalax devices (capacitive) */
615 { .driver_data
= MT_CLS_EGALAX
,
616 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
617 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1
) },
618 { .driver_data
= MT_CLS_EGALAX
,
619 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
620 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2
) },
621 { .driver_data
= MT_CLS_EGALAX
,
622 HID_USB_DEVICE(USB_VENDOR_ID_DWAV
,
623 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4
) },
625 /* Elo TouchSystems IntelliTouch Plus panel */
626 { .driver_data
= MT_CLS_DUAL_NSMU_CONTACTID
,
627 HID_USB_DEVICE(USB_VENDOR_ID_ELO
,
628 USB_DEVICE_ID_ELO_TS2515
) },
630 /* GeneralTouch panel */
631 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTNUMBER
,
632 HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH
,
633 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS
) },
635 /* GoodTouch panels */
636 { .driver_data
= MT_CLS_DEFAULT
,
637 HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH
,
638 USB_DEVICE_ID_GOODTOUCH_000f
) },
640 /* Ilitek dual touch panel */
641 { .driver_data
= MT_CLS_DEFAULT
,
642 HID_USB_DEVICE(USB_VENDOR_ID_ILITEK
,
643 USB_DEVICE_ID_ILITEK_MULTITOUCH
) },
646 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
647 HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS
,
648 USB_DEVICE_ID_IRTOUCH_INFRARED_USB
) },
651 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
652 HID_USB_DEVICE(USB_VENDOR_ID_LUMIO
,
653 USB_DEVICE_ID_CRYSTALTOUCH
) },
656 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
657 HID_USB_DEVICE(USB_VENDOR_ID_ASUS
,
658 USB_DEVICE_ID_ASUS_T91MT
)},
659 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
660 HID_USB_DEVICE(USB_VENDOR_ID_ASUS
,
661 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO
) },
662 { .driver_data
= MT_CLS_CONFIDENCE_MINUS_ONE
,
663 HID_USB_DEVICE(USB_VENDOR_ID_TURBOX
,
664 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART
) },
666 /* PenMount panels */
667 { .driver_data
= MT_CLS_CONFIDENCE
,
668 HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT
,
669 USB_DEVICE_ID_PENMOUNT_PCI
) },
671 /* PixCir-based panels */
672 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
673 HID_USB_DEVICE(USB_VENDOR_ID_HANVON
,
674 USB_DEVICE_ID_HANVON_MULTITOUCH
) },
675 { .driver_data
= MT_CLS_DUAL_INRANGE_CONTACTID
,
676 HID_USB_DEVICE(USB_VENDOR_ID_CANDO
,
677 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH
) },
680 { .driver_data
= MT_CLS_CONFIDENCE
,
681 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM
,
683 { .driver_data
= MT_CLS_CONFIDENCE
,
684 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM
,
685 USB_DEVICE_ID_MTP_STM
)},
686 { .driver_data
= MT_CLS_CONFIDENCE
,
687 HID_USB_DEVICE(USB_VENDOR_ID_STANTUM
,
688 USB_DEVICE_ID_MTP_SITRONIX
)},
690 /* Touch International panels */
691 { .driver_data
= MT_CLS_DEFAULT
,
692 HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL
,
693 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH
) },
696 { .driver_data
= MT_CLS_DEFAULT
,
697 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
698 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709
) },
699 { .driver_data
= MT_CLS_DEFAULT
,
700 HID_USB_DEVICE(USB_VENDOR_ID_UNITEC
,
701 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19
) },
705 MODULE_DEVICE_TABLE(hid
, mt_devices
);
707 static const struct hid_usage_id mt_grabbed_usages
[] = {
708 { HID_ANY_ID
, HID_ANY_ID
, HID_ANY_ID
},
709 { HID_ANY_ID
- 1, HID_ANY_ID
- 1, HID_ANY_ID
- 1}
712 static struct hid_driver mt_driver
= {
713 .name
= "hid-multitouch",
714 .id_table
= mt_devices
,
717 .input_mapping
= mt_input_mapping
,
718 .input_mapped
= mt_input_mapped
,
719 .feature_mapping
= mt_feature_mapping
,
720 .usage_table
= mt_grabbed_usages
,
723 .reset_resume
= mt_reset_resume
,
727 static int __init
mt_init(void)
729 return hid_register_driver(&mt_driver
);
732 static void __exit
mt_exit(void)
734 hid_unregister_driver(&mt_driver
);
737 module_init(mt_init
);
738 module_exit(mt_exit
);