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HID: multitouch: add MT_QUIRK_IGNORE_DUPLICATES
[mirror_ubuntu-eoan-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)
77723e3b 54#define MT_QUIRK_NO_AREA (1 << 9)
28728399 55#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
5519cab4
BT		 56
57struct mt_slot {
349fd670 58 __s32 x, y, cx, cy, p, w, h;
5519cab4
BT		 59 __s32 contactid; /* the device ContactID assigned to this slot */
60 bool touch_state; /* is the touch valid? */
5519cab4
BT		 61};
62
eec29e3d
BT		 63struct mt_class {
64 __s32 name; /* MT_CLS */
65 __s32 quirks;
66 __s32 sn_move; /* Signal/noise ratio for move events */
67 __s32 sn_width; /* Signal/noise ratio for width events */
68 __s32 sn_height; /* Signal/noise ratio for height events */
69 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
70 __u8 maxcontacts;
c2ef8f21 71 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 72};
73
3ac36d15
BT		 74struct mt_fields {
75 unsigned usages[HID_MAX_FIELDS];
76 unsigned int length;
77};
78
5519cab4
BT		 79struct mt_device {
80 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 81 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 82 struct mt_fields *fields; /* temporary placeholder for storing the
83 multitouch fields */
5519cab4
BT		 84 unsigned last_field_index; /* last field index of the report */
85 unsigned last_slot_field; /* the last field of a slot */
86 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
4aceed37 87 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 88 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
89 -1 if non-existent */
5519cab4
BT		 90 __u8 num_received; /* how many contacts we received */
91 __u8 num_expected; /* expected last contact index */
9498f954 92 __u8 maxcontacts;
9e87f22a
BT		 93 __u8 touches_by_report; /* how many touches are present in one report:
94 * 1 means we should use a serial protocol
95 * > 1 means hybrid (multitouch) protocol */
76f5902a 96 bool serial_maybe; /* need to check for serial protocol */
5519cab4 97 bool curvalid; /* is the current contact valid? */
76f5902a 98 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 99};
100
5519cab4 101/* classes of device behavior */
22408283
BT		 102#define MT_CLS_DEFAULT 0x0001
103
a062cc5a
SC		 104#define MT_CLS_SERIAL 0x0002
105#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 106#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
107#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
108#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
109#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
110#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 111#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
22408283
BT		 112
113/* vendor specific classes */
114#define MT_CLS_3M 0x0101
115#define MT_CLS_CYPRESS 0x0102
116#define MT_CLS_EGALAX 0x0103
1b723e8d 117#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 118#define MT_CLS_TOPSEED 0x0105
2258e863 119#define MT_CLS_PANASONIC 0x0106
77723e3b 120#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 121#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
122#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 123
9498f954 124#define MT_DEFAULT_MAXCONTACT 10
afbcb04c 125#define MT_MAX_MAXCONTACT 250
9498f954 126
2c2110e9
HR		 127#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
128#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
129
5519cab4
BT		 130/*
131 * these device-dependent functions determine what slot corresponds
132 * to a valid contact that was just read.
133 */
134
a3b5e577
BT		 135static int cypress_compute_slot(struct mt_device *td)
136{
137 if (td->curdata.contactid != 0 || td->num_received == 0)
138 return td->curdata.contactid;
139 else
140 return -1;
141}
142
b3c21d2c 143static struct mt_class mt_classes[] = {
2d93666e 144 { .name = MT_CLS_DEFAULT,
9498f954 145 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 146 { .name = MT_CLS_SERIAL,
147 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 148 { .name = MT_CLS_CONFIDENCE,
149 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 150 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
151 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
152 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 153 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
154 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
155 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 156 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 157 .quirks = MT_QUIRK_VALID_IS_INRANGE |
158 MT_QUIRK_SLOT_IS_CONTACTID,
159 .maxcontacts = 2 },
1e9cf35b 160 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 161 .quirks = MT_QUIRK_VALID_IS_INRANGE |
162 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
163 .maxcontacts = 2 },
22408283
BT		 164 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
165 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
166 MT_QUIRK_SLOT_IS_CONTACTID,
167 .maxcontacts = 2 },
b7ea95ff
AT		 168 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
169 .quirks = MT_QUIRK_VALID_IS_INRANGE |
170 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
22408283
BT		 171
172 /*
173 * vendor specific classes
174 */
175 { .name = MT_CLS_3M,
176 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
177 MT_QUIRK_SLOT_IS_CONTACTID,
178 .sn_move = 2048,
179 .sn_width = 128,
c5d40be5
HR		 180 .sn_height = 128,
181 .maxcontacts = 60,
182 },
2d93666e
BT		 183 { .name = MT_CLS_CYPRESS,
184 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
185 MT_QUIRK_CYPRESS,
186 .maxcontacts = 10 },
4875ac11
RN		 187 { .name = MT_CLS_EGALAX,
188 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 189 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 190 .sn_move = 4096,
191 .sn_pressure = 32,
192 },
1b723e8d
BT		 193 { .name = MT_CLS_EGALAX_SERIAL,
194 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
195 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 196 .sn_move = 4096,
197 .sn_pressure = 32,
198 },
847672cd
BT		 199 { .name = MT_CLS_TOPSEED,
200 .quirks = MT_QUIRK_ALWAYS_VALID,
201 .is_indirect = true,
202 .maxcontacts = 2,
203 },
2258e863
DK		 204 { .name = MT_CLS_PANASONIC,
205 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
206 .maxcontacts = 4 },
f5ff4e1e
XY		 207 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
208 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
209 MT_QUIRK_VALID_IS_INRANGE |
210 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
211 .maxcontacts = 2
212 },
213 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
214 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 215 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 216 },
043b403a 217
77723e3b
HR		 218 { .name = MT_CLS_FLATFROG,
219 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
220 MT_QUIRK_NO_AREA,
221 .sn_move = 2048,
222 .maxcontacts = 40,
223 },
2d93666e 224 { }
5519cab4
BT		 225};
226
eec29e3d
BT		 227static ssize_t mt_show_quirks(struct device *dev,
228 struct device_attribute *attr,
229 char *buf)
230{
231 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
232 struct mt_device *td = hid_get_drvdata(hdev);
233
234 return sprintf(buf, "%u\n", td->mtclass.quirks);
235}
236
237static ssize_t mt_set_quirks(struct device *dev,
238 struct device_attribute *attr,
239 const char *buf, size_t count)
240{
241 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
242 struct mt_device *td = hid_get_drvdata(hdev);
243
244 unsigned long val;
245
246 if (kstrtoul(buf, 0, &val))
247 return -EINVAL;
248
249 td->mtclass.quirks = val;
250
251 return count;
252}
253
254static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
255
256static struct attribute *sysfs_attrs[] = {
257 &dev_attr_quirks.attr,
258 NULL
259};
260
261static struct attribute_group mt_attribute_group = {
262 .attrs = sysfs_attrs
263};
264
f635bd11 265static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 266 struct hid_field *field, struct hid_usage *usage)
267{
9498f954 268 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 269 int i;
9498f954
BT		 270
271 switch (usage->hid) {
272 case HID_DG_INPUTMODE:
5519cab4 273 td->inputmode = field->report->id;
4aceed37
BT		 274 td->inputmode_index = 0; /* has to be updated below */
275
276 for (i=0; i < field->maxusage; i++) {
277 if (field->usage[i].hid == usage->hid) {
278 td->inputmode_index = i;
279 break;
280 }
281 }
282
9498f954
BT		 283 break;
284 case HID_DG_CONTACTMAX:
31ae9bdd 285 td->maxcontact_report_id = field->report->id;
9498f954 286 td->maxcontacts = field->value[0];
afbcb04c
BT		 287 if (!td->maxcontacts &&
288 field->logical_maximum <= MT_MAX_MAXCONTACT)
289 td->maxcontacts = field->logical_maximum;
eec29e3d 290 if (td->mtclass.maxcontacts)
9498f954 291 /* check if the maxcontacts is given by the class */
eec29e3d 292 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 293
294 break;
5519cab4
BT		 295 }
296}
297
298static void set_abs(struct input_dev *input, unsigned int code,
299 struct hid_field *field, int snratio)
300{
301 int fmin = field->logical_minimum;
302 int fmax = field->logical_maximum;
303 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
304 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
37cf6e6f 305 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
5519cab4
BT		 306}
307
3ac36d15 308static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 309 struct hid_input *hi)
310{
3ac36d15
BT		 311 struct mt_fields *f = td->fields;
312
313 if (f->length >= HID_MAX_FIELDS)
314 return;
315
316 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 317}
318
5519cab4
BT		 319static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
320 struct hid_field *field, struct hid_usage *usage,
321 unsigned long **bit, int *max)
322{
323 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 324 struct mt_class *cls = &td->mtclass;
c2ef8f21 325 int code;
349fd670 326 struct hid_usage *prev_usage = NULL;
4875ac11 327
658d4aed 328 /* Only map fields from TouchScreen or TouchPad collections.
2258e863
DK		 329 * We need to ignore fields that belong to other collections
330 * such as Mouse that might have the same GenericDesktop usages. */
658d4aed 331 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 332 td->mt_flags |= INPUT_MT_DIRECT;
c2ef8f21 333 else if (field->application != HID_DG_TOUCHPAD)
658d4aed
JB		 334 return 0;
335
76f5902a
HR		 336 /*
337 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 338 */
339 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 340 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
341 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 342
2261bb9f
BT		 343 /* eGalax devices provide a Digitizer.Stylus input which overrides
344 * the correct Digitizers.Finger X/Y ranges.
345 * Let's just ignore this input. */
346 if (field->physical == HID_DG_STYLUS)
347 return -1;
348
349fd670
BT		 349 if (usage->usage_index)
350 prev_usage = &field->usage[usage->usage_index - 1];
351
5519cab4
BT		 352 switch (usage->hid & HID_USAGE_PAGE) {
353
354 case HID_UP_GENDESK:
355 switch (usage->hid) {
356 case HID_GD_X:
349fd670
BT		 357 if (prev_usage && (prev_usage->hid == usage->hid)) {
358 hid_map_usage(hi, usage, bit, max,
359 EV_ABS, ABS_MT_TOOL_X);
360 set_abs(hi->input, ABS_MT_TOOL_X, field,
361 cls->sn_move);
362 } else {
363 hid_map_usage(hi, usage, bit, max,
5519cab4 364 EV_ABS, ABS_MT_POSITION_X);
349fd670
BT		 365 set_abs(hi->input, ABS_MT_POSITION_X, field,
366 cls->sn_move);
367 }
368
3ac36d15 369 mt_store_field(usage, td, hi);
ed9d5c96 370 td->last_field_index = field->index;
5519cab4
BT		 371 return 1;
372 case HID_GD_Y:
349fd670
BT		 373 if (prev_usage && (prev_usage->hid == usage->hid)) {
374 hid_map_usage(hi, usage, bit, max,
375 EV_ABS, ABS_MT_TOOL_Y);
376 set_abs(hi->input, ABS_MT_TOOL_Y, field,
377 cls->sn_move);
378 } else {
379 hid_map_usage(hi, usage, bit, max,
5519cab4 380 EV_ABS, ABS_MT_POSITION_Y);
349fd670
BT		 381 set_abs(hi->input, ABS_MT_POSITION_Y, field,
382 cls->sn_move);
383 }
384
3ac36d15 385 mt_store_field(usage, td, hi);
ed9d5c96 386 td->last_field_index = field->index;
5519cab4
BT		 387 return 1;
388 }
389 return 0;
390
391 case HID_UP_DIGITIZER:
392 switch (usage->hid) {
393 case HID_DG_INRANGE:
3ac36d15 394 mt_store_field(usage, td, hi);
ed9d5c96 395 td->last_field_index = field->index;
5519cab4
BT		 396 return 1;
397 case HID_DG_CONFIDENCE:
3ac36d15 398 mt_store_field(usage, td, hi);
ed9d5c96 399 td->last_field_index = field->index;
5519cab4
BT		 400 return 1;
401 case HID_DG_TIPSWITCH:
402 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
403 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 404 mt_store_field(usage, td, hi);
ed9d5c96 405 td->last_field_index = field->index;
5519cab4
BT		 406 return 1;
407 case HID_DG_CONTACTID:
3ac36d15 408 mt_store_field(usage, td, hi);
2955caed 409 td->last_field_index = field->index;
9e87f22a 410 td->touches_by_report++;
5519cab4
BT		 411 return 1;
412 case HID_DG_WIDTH:
413 hid_map_usage(hi, usage, bit, max,
414 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 415 if (!(cls->quirks & MT_QUIRK_NO_AREA))
416 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
417 cls->sn_width);
3ac36d15 418 mt_store_field(usage, td, hi);
ed9d5c96 419 td->last_field_index = field->index;
5519cab4
BT		 420 return 1;
421 case HID_DG_HEIGHT:
422 hid_map_usage(hi, usage, bit, max,
423 EV_ABS, ABS_MT_TOUCH_MINOR);
77723e3b
HR		 424 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
425 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
426 cls->sn_height);
427 input_set_abs_params(hi->input,
1e648a13 428 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 429 }
3ac36d15 430 mt_store_field(usage, td, hi);
ed9d5c96 431 td->last_field_index = field->index;
5519cab4
BT		 432 return 1;
433 case HID_DG_TIPPRESSURE:
434 hid_map_usage(hi, usage, bit, max,
435 EV_ABS, ABS_MT_PRESSURE);
436 set_abs(hi->input, ABS_MT_PRESSURE, field,
437 cls->sn_pressure);
3ac36d15 438 mt_store_field(usage, td, hi);
ed9d5c96 439 td->last_field_index = field->index;
5519cab4
BT		 440 return 1;
441 case HID_DG_CONTACTCOUNT:
ed9d5c96 442 td->last_field_index = field->index;
5519cab4
BT		 443 return 1;
444 case HID_DG_CONTACTMAX:
445 /* we don't set td->last_slot_field as contactcount and
446 * contact max are global to the report */
ed9d5c96 447 td->last_field_index = field->index;
5519cab4 448 return -1;
c2ef8f21
BT		 449 case HID_DG_TOUCH:
450 /* Legacy devices use TIPSWITCH and not TOUCH.
451 * Let's just ignore this field. */
452 return -1;
65b258e9 453 }
5519cab4
BT		 454 /* let hid-input decide for the others */
455 return 0;
456
c2ef8f21
BT		 457 case HID_UP_BUTTON:
458 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
459 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
460 input_set_capability(hi->input, EV_KEY, code);
461 return 1;
462
5519cab4
BT		 463 case 0xff000000:
464 /* we do not want to map these: no input-oriented meaning */
465 return -1;
466 }
467
468 return 0;
469}
470
471static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
472 struct hid_field *field, struct hid_usage *usage,
473 unsigned long **bit, int *max)
474{
475 if (usage->type == EV_KEY || usage->type == EV_ABS)
476 set_bit(usage->type, hi->input->evbit);
477
478 return -1;
479}
480
3e1b5015 481static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 482{
eec29e3d 483 __s32 quirks = td->mtclass.quirks;
5519cab4 484
2d93666e
BT		 485 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
486 return td->curdata.contactid;
5519cab4 487
2d93666e 488 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 489 return cypress_compute_slot(td);
490
2d93666e
BT		 491 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
492 return td->num_received;
5572da08 493
4a6ee685
BT		 494 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
495 return td->curdata.contactid - 1;
496
3e1b5015 497 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 498}
499
500/*
501 * this function is called when a whole contact has been processed,
502 * so that it can assign it to a slot and store the data there
503 */
3e1b5015 504static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4 505{
20b60e6d 506 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
3e1b5015
HR		 507 int slotnum = mt_compute_slot(td, input);
508 struct mt_slot *s = &td->curdata;
28728399 509 struct input_mt *mt = input->mt;
5519cab4 510
3e1b5015
HR		 511 if (slotnum < 0 || slotnum >= td->maxcontacts)
512 return;
5519cab4 513
28728399
BT		 514 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
515 struct input_mt_slot *slot = &mt->slots[slotnum];
516 if (input_mt_is_active(slot) &&
517 input_mt_is_used(mt, slot))
518 return;
519 }
520
3e1b5015 521 input_mt_slot(input, slotnum);
5519cab4
BT		 522 input_mt_report_slot_state(input, MT_TOOL_FINGER,
523 s->touch_state);
2d93666e 524 if (s->touch_state) {
f786bba4
BT		 525 /* this finger is on the screen */
526 int wide = (s->w > s->h);
527 /* divided by two to match visual scale of touch */
528 int major = max(s->w, s->h) >> 1;
529 int minor = min(s->w, s->h) >> 1;
530
2d93666e
BT		 531 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
532 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
349fd670
BT		 533 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
534 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
f786bba4 535 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 536 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 537 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
538 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 539 }
5519cab4
BT		 540 }
541
3e1b5015
HR		 542 td->num_received++;
543}
544
545/*
546 * this function is called when a whole packet has been received and processed,
547 * so that it can decide what to send to the input layer.
548 */
549static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
550{
76f5902a 551 input_mt_sync_frame(input);
5519cab4
BT		 552 input_sync(input);
553 td->num_received = 0;
554}
555
5519cab4
BT		 556static int mt_event(struct hid_device *hid, struct hid_field *field,
557 struct hid_usage *usage, __s32 value)
558{
559 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 560 __s32 quirks = td->mtclass.quirks;
5519cab4 561
3e1b5015 562 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 563 switch (usage->hid) {
564 case HID_DG_INRANGE:
20b60e6d 565 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 566 td->curvalid = value;
5519cab4
BT		 567 break;
568 case HID_DG_TIPSWITCH:
2d93666e
BT		 569 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
570 td->curvalid = value;
5519cab4
BT		 571 td->curdata.touch_state = value;
572 break;
573 case HID_DG_CONFIDENCE:
2d93666e
BT		 574 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
575 td->curvalid = value;
5519cab4
BT		 576 break;
577 case HID_DG_CONTACTID:
578 td->curdata.contactid = value;
579 break;
580 case HID_DG_TIPPRESSURE:
581 td->curdata.p = value;
582 break;
583 case HID_GD_X:
349fd670
BT		 584 if (usage->code == ABS_MT_TOOL_X)
585 td->curdata.cx = value;
586 else
587 td->curdata.x = value;
5519cab4
BT		 588 break;
589 case HID_GD_Y:
349fd670
BT		 590 if (usage->code == ABS_MT_TOOL_Y)
591 td->curdata.cy = value;
592 else
593 td->curdata.y = value;
5519cab4
BT		 594 break;
595 case HID_DG_WIDTH:
596 td->curdata.w = value;
597 break;
598 case HID_DG_HEIGHT:
599 td->curdata.h = value;
600 break;
601 case HID_DG_CONTACTCOUNT:
602 /*
2d93666e
BT		 603 * Includes multi-packet support where subsequent
604 * packets are sent with zero contactcount.
5519cab4
BT		 605 */
606 if (value)
2d93666e 607 td->num_expected = value;
5519cab4 608 break;
c2ef8f21
BT		 609 case HID_DG_TOUCH:
610 /* do nothing */
611 break;
5519cab4
BT		 612
613 default:
614 /* fallback to the generic hidinput handling */
615 return 0;
616 }
5519cab4 617
54f4c0c3
BT		 618 if (usage->usage_index + 1 == field->report_count) {
619 /* we only take into account the last report. */
620 if (usage->hid == td->last_slot_field)
621 mt_complete_slot(td, field->hidinput->input);
622
623 if (field->index == td->last_field_index
624 && td->num_received >= td->num_expected)
625 mt_sync_frame(td, field->hidinput->input);
626 }
5519cab4 627
2d93666e 628 }
5519cab4
BT		 629
630 /* we have handled the hidinput part, now remains hiddev */
631 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
632 hid->hiddev_hid_event(hid, field, usage, value);
633
634 return 1;
635}
636
637static void mt_set_input_mode(struct hid_device *hdev)
638{
639 struct mt_device *td = hid_get_drvdata(hdev);
640 struct hid_report *r;
641 struct hid_report_enum *re;
642
643 if (td->inputmode < 0)
644 return;
645
646 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
647 r = re->report_id_hash[td->inputmode];
648 if (r) {
4aceed37 649 r->field[0]->value[td->inputmode_index] = 0x02;
5519cab4
BT		 650 usbhid_submit_report(hdev, r, USB_DIR_OUT);
651 }
652}
653
31ae9bdd
BT		 654static void mt_set_maxcontacts(struct hid_device *hdev)
655{
656 struct mt_device *td = hid_get_drvdata(hdev);
657 struct hid_report *r;
658 struct hid_report_enum *re;
659 int fieldmax, max;
660
661 if (td->maxcontact_report_id < 0)
662 return;
663
664 if (!td->mtclass.maxcontacts)
665 return;
666
667 re = &hdev->report_enum[HID_FEATURE_REPORT];
668 r = re->report_id_hash[td->maxcontact_report_id];
669 if (r) {
670 max = td->mtclass.maxcontacts;
671 fieldmax = r->field[0]->logical_maximum;
672 max = min(fieldmax, max);
673 if (r->field[0]->value[0] != max) {
674 r->field[0]->value[0] = max;
675 usbhid_submit_report(hdev, r, USB_DIR_OUT);
676 }
677 }
678}
679
4fa3a583
HR		 680static void mt_post_parse_default_settings(struct mt_device *td)
681{
682 __s32 quirks = td->mtclass.quirks;
683
684 /* unknown serial device needs special quirks */
685 if (td->touches_by_report == 1) {
686 quirks |= MT_QUIRK_ALWAYS_VALID;
687 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
688 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
689 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
690 }
691
692 td->mtclass.quirks = quirks;
693}
694
3ac36d15
BT		 695static void mt_post_parse(struct mt_device *td)
696{
697 struct mt_fields *f = td->fields;
698
699 if (td->touches_by_report > 0) {
700 int field_count_per_touch = f->length / td->touches_by_report;
701 td->last_slot_field = f->usages[field_count_per_touch - 1];
702 }
703}
704
76f5902a
HR		 705static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
706
707{
708 struct mt_device *td = hid_get_drvdata(hdev);
709 struct mt_class *cls = &td->mtclass;
710 struct input_dev *input = hi->input;
711
712 /* Only initialize slots for MT input devices */
713 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
714 return;
715
716 if (!td->maxcontacts)
717 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
718
719 mt_post_parse(td);
720 if (td->serial_maybe)
721 mt_post_parse_default_settings(td);
722
723 if (cls->is_indirect)
724 td->mt_flags |= INPUT_MT_POINTER;
725
3e1b5015
HR		 726 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
727 td->mt_flags |= INPUT_MT_DROP_UNUSED;
728
76f5902a
HR		 729 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
730
731 td->mt_flags = 0;
732}
733
5519cab4
BT		 734static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
735{
2d93666e 736 int ret, i;
5519cab4 737 struct mt_device *td;
2d93666e
BT		 738 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
739
94b5485c
HR		 740 for (i = 0; mt_classes[i].name ; i++) {
741 if (id->driver_data == mt_classes[i].name) {
742 mtclass = &(mt_classes[i]);
743 break;
2d93666e
BT		 744 }
745 }
5519cab4 746
d682bd7f
HR		 747 /* This allows the driver to correctly support devices
748 * that emit events over several HID messages.
749 */
750 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 751
9498f954 752 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 753 if (!td) {
754 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
755 return -ENOMEM;
756 }
eec29e3d 757 td->mtclass = *mtclass;
5519cab4 758 td->inputmode = -1;
31ae9bdd 759 td->maxcontact_report_id = -1;
5519cab4
BT		 760 hid_set_drvdata(hdev, td);
761
3ac36d15
BT		 762 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
763 if (!td->fields) {
764 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
765 ret = -ENOMEM;
766 goto fail;
767 }
768
76f5902a
HR		 769 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
770 td->serial_maybe = true;
771
5519cab4
BT		 772 ret = hid_parse(hdev);
773 if (ret != 0)
774 goto fail;
775
776 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 777 if (ret)
5519cab4
BT		 778 goto fail;
779
eec29e3d
BT		 780 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
781
31ae9bdd 782 mt_set_maxcontacts(hdev);
5519cab4
BT		 783 mt_set_input_mode(hdev);
784
3ac36d15
BT		 785 kfree(td->fields);
786 td->fields = NULL;
787
5519cab4
BT		 788 return 0;
789
790fail:
3ac36d15 791 kfree(td->fields);
5519cab4
BT		 792 kfree(td);
793 return ret;
794}
795
796#ifdef CONFIG_PM
797static int mt_reset_resume(struct hid_device *hdev)
798{
31ae9bdd 799 mt_set_maxcontacts(hdev);
5519cab4
BT		 800 mt_set_input_mode(hdev);
801 return 0;
802}
dfeefd10
SL		 803
804static int mt_resume(struct hid_device *hdev)
805{
806 struct usb_interface *intf;
807 struct usb_host_interface *interface;
808 struct usb_device *dev;
809
810 if (hdev->bus != BUS_USB)
811 return 0;
812
813 intf = to_usb_interface(hdev->dev.parent);
814 interface = intf->cur_altsetting;
815 dev = hid_to_usb_dev(hdev);
816
817 /* Some Elan legacy devices require SET_IDLE to be set on resume.
818 * It should be safe to send it to other devices too.
819 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
820
821 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
822 HID_REQ_SET_IDLE,
823 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
824 0, interface->desc.bInterfaceNumber,
825 NULL, 0, USB_CTRL_SET_TIMEOUT);
826
827 return 0;
828}
5519cab4
BT		 829#endif
830
831static void mt_remove(struct hid_device *hdev)
832{
833 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 834 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4
BT		 835 hid_hw_stop(hdev);
836 kfree(td);
837 hid_set_drvdata(hdev, NULL);
838}
839
840static const struct hid_device_id mt_devices[] = {
841
f786bba4
BT		 842 /* 3M panels */
843 { .driver_data = MT_CLS_3M,
2c2110e9 844 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 845 USB_DEVICE_ID_3M1968) },
846 { .driver_data = MT_CLS_3M,
2c2110e9 847 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 848 USB_DEVICE_ID_3M2256) },
c4fad877 849 { .driver_data = MT_CLS_3M,
2c2110e9 850 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 851 USB_DEVICE_ID_3M3266) },
f786bba4 852
e6aac342
BT		 853 /* ActionStar panels */
854 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 855 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 856 USB_DEVICE_ID_ACTIONSTAR_1011) },
857
b1057124
BT		 858 /* Atmel panels */
859 { .driver_data = MT_CLS_SERIAL,
2c2110e9 860 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 861 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 862 { .driver_data = MT_CLS_SERIAL,
2c2110e9 863 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 864 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 865
9ed32695
JK		 866 /* Baanto multitouch devices */
867 { .driver_data = MT_CLS_DEFAULT,
16b79bb8 868 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 869 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 870 /* Cando panels */
871 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 872 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 873 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
874 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 875 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 876 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
877 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 878 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 879 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
880 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 881 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 882 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
883
942fd422
AZ		 884 /* Chunghwa Telecom touch panels */
885 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 886 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 887 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
888
79603dc9
BT		 889 /* CVTouch panels */
890 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 891 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 892 USB_DEVICE_ID_CVTOUCH_SCREEN) },
893
a3b5e577
BT		 894 /* Cypress panel */
895 { .driver_data = MT_CLS_CYPRESS,
896 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
897 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
898
22408283 899 /* eGalax devices (resistive) */
e36f690b 900 { .driver_data = MT_CLS_EGALAX,
2c2110e9 901 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 902 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
903 { .driver_data = MT_CLS_EGALAX,
2c2110e9 904 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 905 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 906
907 /* eGalax devices (capacitive) */
e36f690b 908 { .driver_data = MT_CLS_EGALAX,
2c2110e9 909 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 910 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 911 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 912 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 913 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
914 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 915 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 916 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
917 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 918 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 919 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 920 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 921 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 922 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 923 { .driver_data = MT_CLS_EGALAX,
2c2110e9 924 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 925 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 926 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 927 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 928 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 929 { .driver_data = MT_CLS_EGALAX,
2c2110e9 930 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 931 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 932 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 933 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 934 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 935 { .driver_data = MT_CLS_EGALAX,
2c2110e9 936 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 937 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 938 { .driver_data = MT_CLS_EGALAX,
2c2110e9 939 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 940 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 941 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 942 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 943 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 944 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 945 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
946 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 947 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 948 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 949 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
3d77104a
JK		 950 { .driver_data = MT_CLS_EGALAX,
951 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
952 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
953 { .driver_data = MT_CLS_EGALAX,
954 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
955 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
956 { .driver_data = MT_CLS_EGALAX,
957 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
958 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
22408283 959
c04abeef
BT		 960 /* Elo TouchSystems IntelliTouch Plus panel */
961 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
2c2110e9 962 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 963 USB_DEVICE_ID_ELO_TS2515) },
964
77723e3b
HR		 965 /* Flatfrog Panels */
966 { .driver_data = MT_CLS_FLATFROG,
967 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
968 USB_DEVICE_ID_MULTITOUCH_3200) },
969
5572da08 970 /* GeneralTouch panel */
f5ff4e1e 971 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 972 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 973 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 974 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
975 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
976 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 977
4d5df5d1
AN		 978 /* Gametel game controller */
979 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 980 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 981 USB_DEVICE_ID_GAMETEL_MT_MODE) },
982
ee0fbd14
BT		 983 /* GoodTouch panels */
984 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 985 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 986 USB_DEVICE_ID_GOODTOUCH_000f) },
987
54580365
BT		 988 /* Hanvon panels */
989 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 990 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 991 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
992
a062cc5a
SC		 993 /* Ideacom panel */
994 { .driver_data = MT_CLS_SERIAL,
2c2110e9 995 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 996 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 997 { .driver_data = MT_CLS_SERIAL,
2c2110e9 998 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 999 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 1000
4e61f0d7
AZ		 1001 /* Ilitek dual touch panel */
1002 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1003 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 1004 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1005
4dfcced8
BT		 1006 /* IRTOUCH panels */
1007 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1008 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 1009 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1010
c50bb1a4
JB		 1011 /* LG Display panels */
1012 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1013 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 1014 USB_DEVICE_ID_LG_MULTITOUCH) },
1015
df167c4a
BT		 1016 /* Lumio panels */
1017 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1018 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 1019 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 1020 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1021 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 1022 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 1023
4a6ee685
BT		 1024 /* MosArt panels */
1025 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1026 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1027 USB_DEVICE_ID_ASUS_T91MT)},
1028 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1029 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1030 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1031 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1032 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 1033 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1034
2258e863
DK		 1035 /* Panasonic panels */
1036 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1037 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1038 USB_DEVICE_ID_PANABOARD_UBT780) },
1039 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1040 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1041 USB_DEVICE_ID_PANABOARD_UBT880) },
1042
4db703ea
AH		 1043 /* Novatek Panel */
1044 { .driver_data = MT_CLS_DEFAULT,
4380d819 1045 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1046 USB_DEVICE_ID_NOVATEK_PCT) },
1047
6ab3a9a6
JS		 1048 /* PenMount panels */
1049 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1050 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1051 USB_DEVICE_ID_PENMOUNT_PCI) },
1052
b7ea95ff
AT		 1053 /* PixArt optical touch screen */
1054 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1055 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1056 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1057 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1058 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1059 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1060 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1061 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1062 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1063
5519cab4 1064 /* PixCir-based panels */
1e9cf35b 1065 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1066 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1067 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1068 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1069 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1070 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1071
5e7ea11f
BT		 1072 /* Quanta-based panels */
1073 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1074 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1075 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1076 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1077 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1078 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1079 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1080 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1081 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1082
043b403a 1083 /* Stantum panels */
bf5af9b5 1084 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1085 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1086 USB_DEVICE_ID_MTP)},
bf5af9b5 1087 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1088 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1089 USB_DEVICE_ID_MTP_STM)},
bf5af9b5 1090 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1091 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1092 USB_DEVICE_ID_MTP_SITRONIX)},
1093
847672cd
BT		 1094 /* TopSeed panels */
1095 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1096 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1097 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1098
5e74e56d
BT		 1099 /* Touch International panels */
1100 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1101 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1102 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1103
617b64f9
BT		 1104 /* Unitec panels */
1105 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1106 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9
BT		 1107 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1108 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1109 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1110 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1111 /* XAT */
1112 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1113 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1114 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1115
11576c61
MH		 1116 /* Xiroku */
1117 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1118 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1119 USB_DEVICE_ID_XIROKU_SPX) },
1120 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1121 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1122 USB_DEVICE_ID_XIROKU_MPX) },
1123 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1124 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1125 USB_DEVICE_ID_XIROKU_CSR) },
1126 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1127 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1128 USB_DEVICE_ID_XIROKU_SPX1) },
1129 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1130 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1131 USB_DEVICE_ID_XIROKU_MPX1) },
1132 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1133 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1134 USB_DEVICE_ID_XIROKU_CSR1) },
1135 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1136 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1137 USB_DEVICE_ID_XIROKU_SPX2) },
1138 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1139 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1140 USB_DEVICE_ID_XIROKU_MPX2) },
1141 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1142 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1143 USB_DEVICE_ID_XIROKU_CSR2) },
1144
82d06982
BT		 1145 /* Zytronic panels */
1146 { .driver_data = MT_CLS_SERIAL,
1147 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1148 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1149
4fa3a583
HR		 1150 /* Generic MT device */
1151 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1152 { }
1153};
1154MODULE_DEVICE_TABLE(hid, mt_devices);
1155
1156static const struct hid_usage_id mt_grabbed_usages[] = {
1157 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1158 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1159};
1160
1161static struct hid_driver mt_driver = {
1162 .name = "hid-multitouch",
1163 .id_table = mt_devices,
1164 .probe = mt_probe,
1165 .remove = mt_remove,
1166 .input_mapping = mt_input_mapping,
1167 .input_mapped = mt_input_mapped,
76f5902a 1168 .input_configured = mt_input_configured,
5519cab4
BT		 1169 .feature_mapping = mt_feature_mapping,
1170 .usage_table = mt_grabbed_usages,
1171 .event = mt_event,
1172#ifdef CONFIG_PM
1173 .reset_resume = mt_reset_resume,
dfeefd10 1174 .resume = mt_resume,
5519cab4
BT		 1175#endif
1176};
1177
1178static int __init mt_init(void)
1179{
1180 return hid_register_driver(&mt_driver);
1181}
1182
1183static void __exit mt_exit(void)
1184{
1185 hid_unregister_driver(&mt_driver);
1186}
1187
1188module_init(mt_init);
1189module_exit(mt_exit);
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