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HID: multitouch: add support for Novatek touchscreen
[mirror_ubuntu-artful-kernel.git] / drivers / hid / hid-multitouch.c
CommitLineData
5519cab4
BT		 1/*
2 * HID driver for multitouch panels
3 *
c2ef8f21
BT		 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
5519cab4 7 *
4875ac11
RN		 8 * This code is partly based on hid-egalax.c:
9 *
10 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
11 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
12 * Copyright (c) 2010 Canonical, Ltd.
13 *
f786bba4
BT		 14 * This code is partly based on hid-3m-pct.c:
15 *
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.
19 *
5519cab4
BT		 20 */
21
22/*
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)
26 * any later version.
27 */
28
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"
36
37
38MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
ef2fafb3 39MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
5519cab4
BT		 40MODULE_DESCRIPTION("HID multitouch panels");
41MODULE_LICENSE("GPL");
42
43#include "hid-ids.h"
44
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)
2d93666e 48#define MT_QUIRK_CYPRESS (1 << 2)
5572da08 49#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
a062cc5a
SC		 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)
a062cc5a 53#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
5519cab4
BT		 54
55struct mt_slot {
56 __s32 x, y, p, w, h;
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 */
60};
61
eec29e3d
BT		 62struct mt_class {
63 __s32 name; /* MT_CLS */
64 __s32 quirks;
65 __s32 sn_move; /* Signal/noise ratio for move events */
66 __s32 sn_width; /* Signal/noise ratio for width events */
67 __s32 sn_height; /* Signal/noise ratio for height events */
68 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
69 __u8 maxcontacts;
c2ef8f21 70 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 71};
72
3ac36d15
BT		 73struct mt_fields {
74 unsigned usages[HID_MAX_FIELDS];
75 unsigned int length;
76};
77
5519cab4
BT		 78struct mt_device {
79 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 80 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 81 struct mt_fields *fields; /* temporary placeholder for storing the
82 multitouch fields */
5519cab4
BT		 83 unsigned last_field_index; /* last field index of the report */
84 unsigned last_slot_field; /* the last field of a slot */
85 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
31ae9bdd
BT		 86 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
87 -1 if non-existent */
5519cab4
BT		 88 __u8 num_received; /* how many contacts we received */
89 __u8 num_expected; /* expected last contact index */
9498f954 90 __u8 maxcontacts;
9e87f22a
BT		 91 __u8 touches_by_report; /* how many touches are present in one report:
92 * 1 means we should use a serial protocol
93 * > 1 means hybrid (multitouch) protocol */
5519cab4 94 bool curvalid; /* is the current contact valid? */
9498f954 95 struct mt_slot *slots;
5519cab4
BT		 96};
97
5519cab4 98/* classes of device behavior */
22408283
BT		 99#define MT_CLS_DEFAULT 0x0001
100
a062cc5a
SC		 101#define MT_CLS_SERIAL 0x0002
102#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 103#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
104#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
105#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
106#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
107#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 108#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
22408283
BT		 109
110/* vendor specific classes */
111#define MT_CLS_3M 0x0101
112#define MT_CLS_CYPRESS 0x0102
113#define MT_CLS_EGALAX 0x0103
1b723e8d 114#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 115#define MT_CLS_TOPSEED 0x0105
2258e863 116#define MT_CLS_PANASONIC 0x0106
5519cab4 117
9498f954
BT		 118#define MT_DEFAULT_MAXCONTACT 10
119
2c2110e9
HR		 120#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
121#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
122
5519cab4
BT		 123/*
124 * these device-dependent functions determine what slot corresponds
125 * to a valid contact that was just read.
126 */
127
a3b5e577
BT		 128static int cypress_compute_slot(struct mt_device *td)
129{
130 if (td->curdata.contactid != 0 || td->num_received == 0)
131 return td->curdata.contactid;
132 else
133 return -1;
134}
135
5519cab4
BT		 136static int find_slot_from_contactid(struct mt_device *td)
137{
138 int i;
9498f954 139 for (i = 0; i < td->maxcontacts; ++i) {
5519cab4
BT		 140 if (td->slots[i].contactid == td->curdata.contactid &&
141 td->slots[i].touch_state)
142 return i;
143 }
9498f954 144 for (i = 0; i < td->maxcontacts; ++i) {
5519cab4
BT		 145 if (!td->slots[i].seen_in_this_frame &&
146 !td->slots[i].touch_state)
147 return i;
148 }
5519cab4
BT		 149 /* should not occurs. If this happens that means
150 * that the device sent more touches that it says
151 * in the report descriptor. It is ignored then. */
2d93666e 152 return -1;
5519cab4
BT		 153}
154
b3c21d2c 155static struct mt_class mt_classes[] = {
2d93666e 156 { .name = MT_CLS_DEFAULT,
9498f954 157 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 158 { .name = MT_CLS_SERIAL,
159 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 160 { .name = MT_CLS_CONFIDENCE,
161 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 162 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
163 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
164 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 165 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
166 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
167 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 168 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 169 .quirks = MT_QUIRK_VALID_IS_INRANGE |
170 MT_QUIRK_SLOT_IS_CONTACTID,
171 .maxcontacts = 2 },
1e9cf35b 172 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 173 .quirks = MT_QUIRK_VALID_IS_INRANGE |
174 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
175 .maxcontacts = 2 },
22408283
BT		 176 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
177 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
178 MT_QUIRK_SLOT_IS_CONTACTID,
179 .maxcontacts = 2 },
b7ea95ff
AT		 180 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
181 .quirks = MT_QUIRK_VALID_IS_INRANGE |
182 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
22408283
BT		 183
184 /*
185 * vendor specific classes
186 */
187 { .name = MT_CLS_3M,
188 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
189 MT_QUIRK_SLOT_IS_CONTACTID,
190 .sn_move = 2048,
191 .sn_width = 128,
192 .sn_height = 128 },
2d93666e
BT		 193 { .name = MT_CLS_CYPRESS,
194 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
195 MT_QUIRK_CYPRESS,
196 .maxcontacts = 10 },
4875ac11
RN		 197 { .name = MT_CLS_EGALAX,
198 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 199 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 200 .sn_move = 4096,
201 .sn_pressure = 32,
202 },
1b723e8d
BT		 203 { .name = MT_CLS_EGALAX_SERIAL,
204 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
205 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 206 .sn_move = 4096,
207 .sn_pressure = 32,
208 },
847672cd
BT		 209 { .name = MT_CLS_TOPSEED,
210 .quirks = MT_QUIRK_ALWAYS_VALID,
211 .is_indirect = true,
212 .maxcontacts = 2,
213 },
2258e863
DK		 214 { .name = MT_CLS_PANASONIC,
215 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
216 .maxcontacts = 4 },
043b403a 217
2d93666e 218 { }
5519cab4
BT		 219};
220
eec29e3d
BT		 221static ssize_t mt_show_quirks(struct device *dev,
222 struct device_attribute *attr,
223 char *buf)
224{
225 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
226 struct mt_device *td = hid_get_drvdata(hdev);
227
228 return sprintf(buf, "%u\n", td->mtclass.quirks);
229}
230
231static ssize_t mt_set_quirks(struct device *dev,
232 struct device_attribute *attr,
233 const char *buf, size_t count)
234{
235 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
236 struct mt_device *td = hid_get_drvdata(hdev);
237
238 unsigned long val;
239
240 if (kstrtoul(buf, 0, &val))
241 return -EINVAL;
242
243 td->mtclass.quirks = val;
244
245 return count;
246}
247
248static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
249
250static struct attribute *sysfs_attrs[] = {
251 &dev_attr_quirks.attr,
252 NULL
253};
254
255static struct attribute_group mt_attribute_group = {
256 .attrs = sysfs_attrs
257};
258
f635bd11 259static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 260 struct hid_field *field, struct hid_usage *usage)
261{
9498f954
BT		 262 struct mt_device *td = hid_get_drvdata(hdev);
263
264 switch (usage->hid) {
265 case HID_DG_INPUTMODE:
5519cab4 266 td->inputmode = field->report->id;
9498f954
BT		 267 break;
268 case HID_DG_CONTACTMAX:
31ae9bdd 269 td->maxcontact_report_id = field->report->id;
9498f954 270 td->maxcontacts = field->value[0];
eec29e3d 271 if (td->mtclass.maxcontacts)
9498f954 272 /* check if the maxcontacts is given by the class */
eec29e3d 273 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 274
275 break;
5519cab4
BT		 276 }
277}
278
279static void set_abs(struct input_dev *input, unsigned int code,
280 struct hid_field *field, int snratio)
281{
282 int fmin = field->logical_minimum;
283 int fmax = field->logical_maximum;
284 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
285 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
286}
287
3ac36d15 288static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 289 struct hid_input *hi)
290{
3ac36d15
BT		 291 struct mt_fields *f = td->fields;
292
293 if (f->length >= HID_MAX_FIELDS)
294 return;
295
296 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 297}
298
5519cab4
BT		 299static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
300 struct hid_field *field, struct hid_usage *usage,
301 unsigned long **bit, int *max)
302{
303 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 304 struct mt_class *cls = &td->mtclass;
c2ef8f21 305 int code;
4875ac11 306
658d4aed 307 /* Only map fields from TouchScreen or TouchPad collections.
2258e863
DK		 308 * We need to ignore fields that belong to other collections
309 * such as Mouse that might have the same GenericDesktop usages. */
658d4aed
JB		 310 if (field->application == HID_DG_TOUCHSCREEN)
311 set_bit(INPUT_PROP_DIRECT, hi->input->propbit);
c2ef8f21 312 else if (field->application != HID_DG_TOUCHPAD)
658d4aed
JB		 313 return 0;
314
c2ef8f21
BT		 315 /* In case of an indirect device (touchpad), we need to add
316 * specific BTN_TOOL_* to be handled by the synaptics xorg
317 * driver.
318 * We also consider that touchscreens providing buttons are touchpads.
319 */
320 if (field->application == HID_DG_TOUCHPAD ||
321 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON ||
322 cls->is_indirect) {
323 set_bit(INPUT_PROP_POINTER, hi->input->propbit);
324 set_bit(BTN_TOOL_FINGER, hi->input->keybit);
325 set_bit(BTN_TOOL_DOUBLETAP, hi->input->keybit);
326 set_bit(BTN_TOOL_TRIPLETAP, hi->input->keybit);
327 set_bit(BTN_TOOL_QUADTAP, hi->input->keybit);
328 }
329
2261bb9f
BT		 330 /* eGalax devices provide a Digitizer.Stylus input which overrides
331 * the correct Digitizers.Finger X/Y ranges.
332 * Let's just ignore this input. */
333 if (field->physical == HID_DG_STYLUS)
334 return -1;
335
5519cab4
BT		 336 switch (usage->hid & HID_USAGE_PAGE) {
337
338 case HID_UP_GENDESK:
339 switch (usage->hid) {
340 case HID_GD_X:
341 hid_map_usage(hi, usage, bit, max,
342 EV_ABS, ABS_MT_POSITION_X);
343 set_abs(hi->input, ABS_MT_POSITION_X, field,
344 cls->sn_move);
345 /* touchscreen emulation */
346 set_abs(hi->input, ABS_X, field, cls->sn_move);
3ac36d15 347 mt_store_field(usage, td, hi);
ed9d5c96 348 td->last_field_index = field->index;
5519cab4
BT		 349 return 1;
350 case HID_GD_Y:
351 hid_map_usage(hi, usage, bit, max,
352 EV_ABS, ABS_MT_POSITION_Y);
353 set_abs(hi->input, ABS_MT_POSITION_Y, field,
354 cls->sn_move);
355 /* touchscreen emulation */
356 set_abs(hi->input, ABS_Y, field, cls->sn_move);
3ac36d15 357 mt_store_field(usage, td, hi);
ed9d5c96 358 td->last_field_index = field->index;
5519cab4
BT		 359 return 1;
360 }
361 return 0;
362
363 case HID_UP_DIGITIZER:
364 switch (usage->hid) {
365 case HID_DG_INRANGE:
3ac36d15 366 mt_store_field(usage, td, hi);
ed9d5c96 367 td->last_field_index = field->index;
5519cab4
BT		 368 return 1;
369 case HID_DG_CONFIDENCE:
3ac36d15 370 mt_store_field(usage, td, hi);
ed9d5c96 371 td->last_field_index = field->index;
5519cab4
BT		 372 return 1;
373 case HID_DG_TIPSWITCH:
374 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
375 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 376 mt_store_field(usage, td, hi);
ed9d5c96 377 td->last_field_index = field->index;
5519cab4
BT		 378 return 1;
379 case HID_DG_CONTACTID:
50bc03ab
BT		 380 if (!td->maxcontacts)
381 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
9498f954 382 input_mt_init_slots(hi->input, td->maxcontacts);
3ac36d15 383 mt_store_field(usage, td, hi);
2955caed 384 td->last_field_index = field->index;
9e87f22a 385 td->touches_by_report++;
5519cab4
BT		 386 return 1;
387 case HID_DG_WIDTH:
388 hid_map_usage(hi, usage, bit, max,
389 EV_ABS, ABS_MT_TOUCH_MAJOR);
f786bba4
BT		 390 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
391 cls->sn_width);
3ac36d15 392 mt_store_field(usage, td, hi);
ed9d5c96 393 td->last_field_index = field->index;
5519cab4
BT		 394 return 1;
395 case HID_DG_HEIGHT:
396 hid_map_usage(hi, usage, bit, max,
397 EV_ABS, ABS_MT_TOUCH_MINOR);
f786bba4
BT		 398 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
399 cls->sn_height);
1e648a13
BT		 400 input_set_abs_params(hi->input,
401 ABS_MT_ORIENTATION, 0, 1, 0, 0);
3ac36d15 402 mt_store_field(usage, td, hi);
ed9d5c96 403 td->last_field_index = field->index;
5519cab4
BT		 404 return 1;
405 case HID_DG_TIPPRESSURE:
406 hid_map_usage(hi, usage, bit, max,
407 EV_ABS, ABS_MT_PRESSURE);
408 set_abs(hi->input, ABS_MT_PRESSURE, field,
409 cls->sn_pressure);
410 /* touchscreen emulation */
411 set_abs(hi->input, ABS_PRESSURE, field,
412 cls->sn_pressure);
3ac36d15 413 mt_store_field(usage, td, hi);
ed9d5c96 414 td->last_field_index = field->index;
5519cab4
BT		 415 return 1;
416 case HID_DG_CONTACTCOUNT:
ed9d5c96 417 td->last_field_index = field->index;
5519cab4
BT		 418 return 1;
419 case HID_DG_CONTACTMAX:
420 /* we don't set td->last_slot_field as contactcount and
421 * contact max are global to the report */
ed9d5c96 422 td->last_field_index = field->index;
5519cab4
BT		 423 return -1;
424 }
c2ef8f21
BT		 425 case HID_DG_TOUCH:
426 /* Legacy devices use TIPSWITCH and not TOUCH.
427 * Let's just ignore this field. */
428 return -1;
5519cab4
BT		 429 /* let hid-input decide for the others */
430 return 0;
431
c2ef8f21
BT		 432 case HID_UP_BUTTON:
433 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
434 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
435 input_set_capability(hi->input, EV_KEY, code);
436 return 1;
437
5519cab4
BT		 438 case 0xff000000:
439 /* we do not want to map these: no input-oriented meaning */
440 return -1;
441 }
442
443 return 0;
444}
445
446static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
447 struct hid_field *field, struct hid_usage *usage,
448 unsigned long **bit, int *max)
449{
450 if (usage->type == EV_KEY || usage->type == EV_ABS)
451 set_bit(usage->type, hi->input->evbit);
452
453 return -1;
454}
455
456static int mt_compute_slot(struct mt_device *td)
457{
eec29e3d 458 __s32 quirks = td->mtclass.quirks;
5519cab4 459
2d93666e
BT		 460 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
461 return td->curdata.contactid;
5519cab4 462
2d93666e 463 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 464 return cypress_compute_slot(td);
465
2d93666e
BT		 466 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
467 return td->num_received;
5572da08 468
4a6ee685
BT		 469 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
470 return td->curdata.contactid - 1;
471
5519cab4
BT		 472 return find_slot_from_contactid(td);
473}
474
475/*
476 * this function is called when a whole contact has been processed,
477 * so that it can assign it to a slot and store the data there
478 */
479static void mt_complete_slot(struct mt_device *td)
480{
2d93666e 481 td->curdata.seen_in_this_frame = true;
5519cab4 482 if (td->curvalid) {
5519cab4
BT		 483 int slotnum = mt_compute_slot(td);
484
9498f954 485 if (slotnum >= 0 && slotnum < td->maxcontacts)
2d93666e 486 td->slots[slotnum] = td->curdata;
5519cab4
BT		 487 }
488 td->num_received++;
489}
490
491
492/*
493 * this function is called when a whole packet has been received and processed,
494 * so that it can decide what to send to the input layer.
495 */
496static void mt_emit_event(struct mt_device *td, struct input_dev *input)
497{
498 int i;
499
9498f954 500 for (i = 0; i < td->maxcontacts; ++i) {
5519cab4 501 struct mt_slot *s = &(td->slots[i]);
eec29e3d 502 if ((td->mtclass.quirks & MT_QUIRK_NOT_SEEN_MEANS_UP) &&
5519cab4 503 !s->seen_in_this_frame) {
5519cab4
BT		 504 s->touch_state = false;
505 }
506
507 input_mt_slot(input, i);
508 input_mt_report_slot_state(input, MT_TOOL_FINGER,
509 s->touch_state);
2d93666e 510 if (s->touch_state) {
f786bba4
BT		 511 /* this finger is on the screen */
512 int wide = (s->w > s->h);
513 /* divided by two to match visual scale of touch */
514 int major = max(s->w, s->h) >> 1;
515 int minor = min(s->w, s->h) >> 1;
516
2d93666e
BT		 517 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
518 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
f786bba4 519 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 520 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 521 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
522 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 523 }
5519cab4
BT		 524 s->seen_in_this_frame = false;
525
526 }
527
528 input_mt_report_pointer_emulation(input, true);
529 input_sync(input);
530 td->num_received = 0;
531}
532
533
534
535static int mt_event(struct hid_device *hid, struct hid_field *field,
536 struct hid_usage *usage, __s32 value)
537{
538 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 539 __s32 quirks = td->mtclass.quirks;
5519cab4 540
9498f954 541 if (hid->claimed & HID_CLAIMED_INPUT && td->slots) {
5519cab4
BT		 542 switch (usage->hid) {
543 case HID_DG_INRANGE:
a062cc5a
SC		 544 if (quirks & MT_QUIRK_ALWAYS_VALID)
545 td->curvalid = true;
546 else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 547 td->curvalid = value;
5519cab4
BT		 548 break;
549 case HID_DG_TIPSWITCH:
2d93666e
BT		 550 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
551 td->curvalid = value;
5519cab4
BT		 552 td->curdata.touch_state = value;
553 break;
554 case HID_DG_CONFIDENCE:
2d93666e
BT		 555 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
556 td->curvalid = value;
5519cab4
BT		 557 break;
558 case HID_DG_CONTACTID:
559 td->curdata.contactid = value;
560 break;
561 case HID_DG_TIPPRESSURE:
562 td->curdata.p = value;
563 break;
564 case HID_GD_X:
565 td->curdata.x = value;
566 break;
567 case HID_GD_Y:
568 td->curdata.y = value;
569 break;
570 case HID_DG_WIDTH:
571 td->curdata.w = value;
572 break;
573 case HID_DG_HEIGHT:
574 td->curdata.h = value;
575 break;
576 case HID_DG_CONTACTCOUNT:
577 /*
2d93666e
BT		 578 * Includes multi-packet support where subsequent
579 * packets are sent with zero contactcount.
5519cab4
BT		 580 */
581 if (value)
2d93666e 582 td->num_expected = value;
5519cab4 583 break;
c2ef8f21
BT		 584 case HID_DG_TOUCH:
585 /* do nothing */
586 break;
5519cab4
BT		 587
588 default:
589 /* fallback to the generic hidinput handling */
590 return 0;
591 }
5519cab4 592
2258e863 593 if (usage->hid == td->last_slot_field)
2d93666e
BT		 594 mt_complete_slot(td);
595
596 if (field->index == td->last_field_index
597 && td->num_received >= td->num_expected)
598 mt_emit_event(td, field->hidinput->input);
5519cab4 599
2d93666e 600 }
5519cab4
BT		 601
602 /* we have handled the hidinput part, now remains hiddev */
603 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
604 hid->hiddev_hid_event(hid, field, usage, value);
605
606 return 1;
607}
608
609static void mt_set_input_mode(struct hid_device *hdev)
610{
611 struct mt_device *td = hid_get_drvdata(hdev);
612 struct hid_report *r;
613 struct hid_report_enum *re;
614
615 if (td->inputmode < 0)
616 return;
617
618 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
619 r = re->report_id_hash[td->inputmode];
620 if (r) {
621 r->field[0]->value[0] = 0x02;
622 usbhid_submit_report(hdev, r, USB_DIR_OUT);
623 }
624}
625
31ae9bdd
BT		 626static void mt_set_maxcontacts(struct hid_device *hdev)
627{
628 struct mt_device *td = hid_get_drvdata(hdev);
629 struct hid_report *r;
630 struct hid_report_enum *re;
631 int fieldmax, max;
632
633 if (td->maxcontact_report_id < 0)
634 return;
635
636 if (!td->mtclass.maxcontacts)
637 return;
638
639 re = &hdev->report_enum[HID_FEATURE_REPORT];
640 r = re->report_id_hash[td->maxcontact_report_id];
641 if (r) {
642 max = td->mtclass.maxcontacts;
643 fieldmax = r->field[0]->logical_maximum;
644 max = min(fieldmax, max);
645 if (r->field[0]->value[0] != max) {
646 r->field[0]->value[0] = max;
647 usbhid_submit_report(hdev, r, USB_DIR_OUT);
648 }
649 }
650}
651
4fa3a583
HR		 652static void mt_post_parse_default_settings(struct mt_device *td)
653{
654 __s32 quirks = td->mtclass.quirks;
655
656 /* unknown serial device needs special quirks */
657 if (td->touches_by_report == 1) {
658 quirks |= MT_QUIRK_ALWAYS_VALID;
659 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
660 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
661 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
662 }
663
664 td->mtclass.quirks = quirks;
665}
666
3ac36d15
BT		 667static void mt_post_parse(struct mt_device *td)
668{
669 struct mt_fields *f = td->fields;
670
671 if (td->touches_by_report > 0) {
672 int field_count_per_touch = f->length / td->touches_by_report;
673 td->last_slot_field = f->usages[field_count_per_touch - 1];
674 }
675}
676
5519cab4
BT		 677static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
678{
2d93666e 679 int ret, i;
5519cab4 680 struct mt_device *td;
2d93666e
BT		 681 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
682
8d179a9e
BT		 683 if (id) {
684 for (i = 0; mt_classes[i].name ; i++) {
685 if (id->driver_data == mt_classes[i].name) {
686 mtclass = &(mt_classes[i]);
687 break;
688 }
2d93666e
BT		 689 }
690 }
5519cab4 691
d682bd7f
HR		 692 /* This allows the driver to correctly support devices
693 * that emit events over several HID messages.
694 */
695 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 696
9498f954 697 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 698 if (!td) {
699 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
700 return -ENOMEM;
701 }
eec29e3d 702 td->mtclass = *mtclass;
5519cab4 703 td->inputmode = -1;
31ae9bdd 704 td->maxcontact_report_id = -1;
5519cab4
BT		 705 hid_set_drvdata(hdev, td);
706
3ac36d15
BT		 707 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
708 if (!td->fields) {
709 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
710 ret = -ENOMEM;
711 goto fail;
712 }
713
5519cab4
BT		 714 ret = hid_parse(hdev);
715 if (ret != 0)
716 goto fail;
717
718 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 719 if (ret)
5519cab4
BT		 720 goto fail;
721
3ac36d15
BT		 722 mt_post_parse(td);
723
4fa3a583
HR		 724 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
725 mt_post_parse_default_settings(td);
9e87f22a 726
9498f954
BT		 727 td->slots = kzalloc(td->maxcontacts * sizeof(struct mt_slot),
728 GFP_KERNEL);
729 if (!td->slots) {
730 dev_err(&hdev->dev, "cannot allocate multitouch slots\n");
731 hid_hw_stop(hdev);
732 ret = -ENOMEM;
733 goto fail;
734 }
735
eec29e3d
BT		 736 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
737
31ae9bdd 738 mt_set_maxcontacts(hdev);
5519cab4
BT		 739 mt_set_input_mode(hdev);
740
3ac36d15
BT		 741 kfree(td->fields);
742 td->fields = NULL;
743
5519cab4
BT		 744 return 0;
745
746fail:
3ac36d15 747 kfree(td->fields);
5519cab4
BT		 748 kfree(td);
749 return ret;
750}
751
752#ifdef CONFIG_PM
753static int mt_reset_resume(struct hid_device *hdev)
754{
31ae9bdd 755 mt_set_maxcontacts(hdev);
5519cab4
BT		 756 mt_set_input_mode(hdev);
757 return 0;
758}
759#endif
760
761static void mt_remove(struct hid_device *hdev)
762{
763 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 764 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4 765 hid_hw_stop(hdev);
9498f954 766 kfree(td->slots);
5519cab4
BT		 767 kfree(td);
768 hid_set_drvdata(hdev, NULL);
769}
770
771static const struct hid_device_id mt_devices[] = {
772
f786bba4
BT		 773 /* 3M panels */
774 { .driver_data = MT_CLS_3M,
2c2110e9 775 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 776 USB_DEVICE_ID_3M1968) },
777 { .driver_data = MT_CLS_3M,
2c2110e9 778 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 779 USB_DEVICE_ID_3M2256) },
c4fad877 780 { .driver_data = MT_CLS_3M,
2c2110e9 781 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 782 USB_DEVICE_ID_3M3266) },
f786bba4 783
e6aac342
BT		 784 /* ActionStar panels */
785 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 786 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 787 USB_DEVICE_ID_ACTIONSTAR_1011) },
788
b1057124
BT		 789 /* Atmel panels */
790 { .driver_data = MT_CLS_SERIAL,
2c2110e9 791 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 792 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 793 { .driver_data = MT_CLS_SERIAL,
2c2110e9 794 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 795 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 796
9ed32695
JK		 797 /* Baanto multitouch devices */
798 { .driver_data = MT_CLS_DEFAULT,
16b79bb8 799 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 800 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 801 /* Cando panels */
802 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 803 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 804 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
805 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 806 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 807 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
808 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 809 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 810 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
811 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 812 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 813 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
814
942fd422
AZ		 815 /* Chunghwa Telecom touch panels */
816 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 817 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 818 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
819
79603dc9
BT		 820 /* CVTouch panels */
821 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 822 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 823 USB_DEVICE_ID_CVTOUCH_SCREEN) },
824
a3b5e577
BT		 825 /* Cypress panel */
826 { .driver_data = MT_CLS_CYPRESS,
827 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
828 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
829
22408283 830 /* eGalax devices (resistive) */
e36f690b 831 { .driver_data = MT_CLS_EGALAX,
2c2110e9 832 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 833 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
834 { .driver_data = MT_CLS_EGALAX,
2c2110e9 835 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 836 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 837
838 /* eGalax devices (capacitive) */
e36f690b 839 { .driver_data = MT_CLS_EGALAX,
2c2110e9 840 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 841 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 842 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 843 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 844 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
845 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 846 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 847 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
848 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 849 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 850 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 851 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 852 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 853 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 854 { .driver_data = MT_CLS_EGALAX,
2c2110e9 855 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 856 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 857 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 858 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 859 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 860 { .driver_data = MT_CLS_EGALAX,
2c2110e9 861 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 862 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 863 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 864 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 865 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 866 { .driver_data = MT_CLS_EGALAX,
2c2110e9 867 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 868 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 869 { .driver_data = MT_CLS_EGALAX,
2c2110e9 870 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 871 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 872 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 873 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 874 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 875 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 876 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 877 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
22408283 878
c04abeef
BT		 879 /* Elo TouchSystems IntelliTouch Plus panel */
880 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
2c2110e9 881 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 882 USB_DEVICE_ID_ELO_TS2515) },
883
5572da08 884 /* GeneralTouch panel */
1e9cf35b 885 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 886 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08
BT		 887 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
888
4d5df5d1
AN		 889 /* Gametel game controller */
890 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 891 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 892 USB_DEVICE_ID_GAMETEL_MT_MODE) },
893
ee0fbd14
BT		 894 /* GoodTouch panels */
895 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 896 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 897 USB_DEVICE_ID_GOODTOUCH_000f) },
898
54580365
BT		 899 /* Hanvon panels */
900 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 901 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 902 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
903
a062cc5a
SC		 904 /* Ideacom panel */
905 { .driver_data = MT_CLS_SERIAL,
2c2110e9 906 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 907 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 908 { .driver_data = MT_CLS_SERIAL,
2c2110e9 909 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 910 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 911
4e61f0d7
AZ		 912 /* Ilitek dual touch panel */
913 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 914 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 915 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
916
4dfcced8
BT		 917 /* IRTOUCH panels */
918 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 919 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 920 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
921
c50bb1a4
JB		 922 /* LG Display panels */
923 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 924 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 925 USB_DEVICE_ID_LG_MULTITOUCH) },
926
df167c4a
BT		 927 /* Lumio panels */
928 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 929 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 930 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 931 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 932 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 933 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 934
4a6ee685
BT		 935 /* MosArt panels */
936 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 937 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 938 USB_DEVICE_ID_ASUS_T91MT)},
939 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 940 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 941 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
942 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 943 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 944 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
945
2258e863
DK		 946 /* Panasonic panels */
947 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 948 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 949 USB_DEVICE_ID_PANABOARD_UBT780) },
950 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 951 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 952 USB_DEVICE_ID_PANABOARD_UBT880) },
953
4db703ea
AH		 954 /* Novatek Panel */
955 { .driver_data = MT_CLS_DEFAULT,
956 HID_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
957 USB_DEVICE_ID_NOVATEK_PCT) },
958
6ab3a9a6
JS		 959 /* PenMount panels */
960 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 961 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 962 USB_DEVICE_ID_PENMOUNT_PCI) },
963
b7ea95ff
AT		 964 /* PixArt optical touch screen */
965 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 966 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 967 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
968 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 969 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 970 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
971 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 972 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 973 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
974
5519cab4 975 /* PixCir-based panels */
1e9cf35b 976 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 977 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 978 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 979 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 980 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 981 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
982
5e7ea11f
BT		 983 /* Quanta-based panels */
984 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 985 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 986 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
987 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 988 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 989 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
990 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 991 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 992 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
993
043b403a 994 /* Stantum panels */
bf5af9b5 995 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 996 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 997 USB_DEVICE_ID_MTP)},
bf5af9b5 998 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 999 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1000 USB_DEVICE_ID_MTP_STM)},
bf5af9b5 1001 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1002 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1003 USB_DEVICE_ID_MTP_SITRONIX)},
1004
847672cd
BT		 1005 /* TopSeed panels */
1006 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1007 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1008 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1009
5e74e56d
BT		 1010 /* Touch International panels */
1011 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1012 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1013 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1014
617b64f9
BT		 1015 /* Unitec panels */
1016 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1017 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9
BT		 1018 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1019 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1020 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1021 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1022 /* XAT */
1023 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1024 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1025 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1026
11576c61
MH		 1027 /* Xiroku */
1028 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1029 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1030 USB_DEVICE_ID_XIROKU_SPX) },
1031 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1032 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1033 USB_DEVICE_ID_XIROKU_MPX) },
1034 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1035 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1036 USB_DEVICE_ID_XIROKU_CSR) },
1037 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1038 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1039 USB_DEVICE_ID_XIROKU_SPX1) },
1040 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1041 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1042 USB_DEVICE_ID_XIROKU_MPX1) },
1043 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1044 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1045 USB_DEVICE_ID_XIROKU_CSR1) },
1046 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1047 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1048 USB_DEVICE_ID_XIROKU_SPX2) },
1049 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1050 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1051 USB_DEVICE_ID_XIROKU_MPX2) },
1052 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1053 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1054 USB_DEVICE_ID_XIROKU_CSR2) },
1055
4fa3a583
HR		 1056 /* Generic MT device */
1057 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1058 { }
1059};
1060MODULE_DEVICE_TABLE(hid, mt_devices);
1061
1062static const struct hid_usage_id mt_grabbed_usages[] = {
1063 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1064 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1065};
1066
1067static struct hid_driver mt_driver = {
1068 .name = "hid-multitouch",
1069 .id_table = mt_devices,
1070 .probe = mt_probe,
1071 .remove = mt_remove,
1072 .input_mapping = mt_input_mapping,
1073 .input_mapped = mt_input_mapped,
1074 .feature_mapping = mt_feature_mapping,
1075 .usage_table = mt_grabbed_usages,
1076 .event = mt_event,
1077#ifdef CONFIG_PM
1078 .reset_resume = mt_reset_resume,
1079#endif
1080};
1081
1082static int __init mt_init(void)
1083{
1084 return hid_register_driver(&mt_driver);
1085}
1086
1087static void __exit mt_exit(void)
1088{
1089 hid_unregister_driver(&mt_driver);
1090}
1091
1092module_init(mt_init);
1093module_exit(mt_exit);
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