projects / GitHub / mt8127 / android_kernel_alcatel_ttab.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
[GitHub/mt8127/android_kernel_alcatel_ttab.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)
5519cab4
BT		 55
56struct mt_slot {
57 __s32 x, y, p, w, h;
58 __s32 contactid; /* the device ContactID assigned to this slot */
59 bool touch_state; /* is the touch valid? */
5519cab4
BT		 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 */
4aceed37 86 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 87 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
88 -1 if non-existent */
5519cab4
BT		 89 __u8 num_received; /* how many contacts we received */
90 __u8 num_expected; /* expected last contact index */
9498f954 91 __u8 maxcontacts;
9e87f22a
BT		 92 __u8 touches_by_report; /* how many touches are present in one report:
93 * 1 means we should use a serial protocol
94 * > 1 means hybrid (multitouch) protocol */
76f5902a 95 bool serial_maybe; /* need to check for serial protocol */
5519cab4 96 bool curvalid; /* is the current contact valid? */
76f5902a 97 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 98};
99
5519cab4 100/* classes of device behavior */
22408283
BT		 101#define MT_CLS_DEFAULT 0x0001
102
a062cc5a
SC		 103#define MT_CLS_SERIAL 0x0002
104#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 105#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
106#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
107#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
108#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
109#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 110#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
22408283
BT		 111
112/* vendor specific classes */
113#define MT_CLS_3M 0x0101
114#define MT_CLS_CYPRESS 0x0102
115#define MT_CLS_EGALAX 0x0103
1b723e8d 116#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 117#define MT_CLS_TOPSEED 0x0105
2258e863 118#define MT_CLS_PANASONIC 0x0106
77723e3b 119#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 120#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
121#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 122
9498f954
BT		 123#define MT_DEFAULT_MAXCONTACT 10
124
2c2110e9
HR		 125#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
126#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
127
5519cab4
BT		 128/*
129 * these device-dependent functions determine what slot corresponds
130 * to a valid contact that was just read.
131 */
132
a3b5e577
BT		 133static int cypress_compute_slot(struct mt_device *td)
134{
135 if (td->curdata.contactid != 0 || td->num_received == 0)
136 return td->curdata.contactid;
137 else
138 return -1;
139}
140
b3c21d2c 141static struct mt_class mt_classes[] = {
2d93666e 142 { .name = MT_CLS_DEFAULT,
9498f954 143 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 144 { .name = MT_CLS_SERIAL,
145 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 146 { .name = MT_CLS_CONFIDENCE,
147 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 148 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
149 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
150 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 151 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
152 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
153 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 154 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 155 .quirks = MT_QUIRK_VALID_IS_INRANGE |
156 MT_QUIRK_SLOT_IS_CONTACTID,
157 .maxcontacts = 2 },
1e9cf35b 158 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 159 .quirks = MT_QUIRK_VALID_IS_INRANGE |
160 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
161 .maxcontacts = 2 },
22408283
BT		 162 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
163 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
164 MT_QUIRK_SLOT_IS_CONTACTID,
165 .maxcontacts = 2 },
b7ea95ff
AT		 166 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
167 .quirks = MT_QUIRK_VALID_IS_INRANGE |
168 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
22408283
BT		 169
170 /*
171 * vendor specific classes
172 */
173 { .name = MT_CLS_3M,
174 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
175 MT_QUIRK_SLOT_IS_CONTACTID,
176 .sn_move = 2048,
177 .sn_width = 128,
c5d40be5
HR		 178 .sn_height = 128,
179 .maxcontacts = 60,
180 },
2d93666e
BT		 181 { .name = MT_CLS_CYPRESS,
182 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
183 MT_QUIRK_CYPRESS,
184 .maxcontacts = 10 },
4875ac11
RN		 185 { .name = MT_CLS_EGALAX,
186 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 187 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 188 .sn_move = 4096,
189 .sn_pressure = 32,
190 },
1b723e8d
BT		 191 { .name = MT_CLS_EGALAX_SERIAL,
192 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
193 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 194 .sn_move = 4096,
195 .sn_pressure = 32,
196 },
847672cd
BT		 197 { .name = MT_CLS_TOPSEED,
198 .quirks = MT_QUIRK_ALWAYS_VALID,
199 .is_indirect = true,
200 .maxcontacts = 2,
201 },
2258e863
DK		 202 { .name = MT_CLS_PANASONIC,
203 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
204 .maxcontacts = 4 },
f5ff4e1e
XY		 205 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
206 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
207 MT_QUIRK_VALID_IS_INRANGE |
208 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
209 .maxcontacts = 2
210 },
211 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
212 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 213 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 214 },
043b403a 215
77723e3b
HR		 216 { .name = MT_CLS_FLATFROG,
217 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
218 MT_QUIRK_NO_AREA,
219 .sn_move = 2048,
220 .maxcontacts = 40,
221 },
2d93666e 222 { }
5519cab4
BT		 223};
224
eec29e3d
BT		 225static ssize_t mt_show_quirks(struct device *dev,
226 struct device_attribute *attr,
227 char *buf)
228{
229 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
230 struct mt_device *td = hid_get_drvdata(hdev);
231
232 return sprintf(buf, "%u\n", td->mtclass.quirks);
233}
234
235static ssize_t mt_set_quirks(struct device *dev,
236 struct device_attribute *attr,
237 const char *buf, size_t count)
238{
239 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
240 struct mt_device *td = hid_get_drvdata(hdev);
241
242 unsigned long val;
243
244 if (kstrtoul(buf, 0, &val))
245 return -EINVAL;
246
247 td->mtclass.quirks = val;
248
249 return count;
250}
251
252static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
253
254static struct attribute *sysfs_attrs[] = {
255 &dev_attr_quirks.attr,
256 NULL
257};
258
259static struct attribute_group mt_attribute_group = {
260 .attrs = sysfs_attrs
261};
262
f635bd11 263static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 264 struct hid_field *field, struct hid_usage *usage)
265{
9498f954 266 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 267 int i;
9498f954
BT		 268
269 switch (usage->hid) {
270 case HID_DG_INPUTMODE:
5519cab4 271 td->inputmode = field->report->id;
4aceed37
BT		 272 td->inputmode_index = 0; /* has to be updated below */
273
274 for (i=0; i < field->maxusage; i++) {
275 if (field->usage[i].hid == usage->hid) {
276 td->inputmode_index = i;
277 break;
278 }
279 }
280
9498f954
BT		 281 break;
282 case HID_DG_CONTACTMAX:
31ae9bdd 283 td->maxcontact_report_id = field->report->id;
9498f954 284 td->maxcontacts = field->value[0];
eec29e3d 285 if (td->mtclass.maxcontacts)
9498f954 286 /* check if the maxcontacts is given by the class */
eec29e3d 287 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 288
289 break;
5519cab4
BT		 290 }
291}
292
293static void set_abs(struct input_dev *input, unsigned int code,
294 struct hid_field *field, int snratio)
295{
296 int fmin = field->logical_minimum;
297 int fmax = field->logical_maximum;
298 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
299 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
300}
301
3ac36d15 302static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 303 struct hid_input *hi)
304{
3ac36d15
BT		 305 struct mt_fields *f = td->fields;
306
307 if (f->length >= HID_MAX_FIELDS)
308 return;
309
310 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 311}
312
5519cab4
BT		 313static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
314 struct hid_field *field, struct hid_usage *usage,
315 unsigned long **bit, int *max)
316{
317 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 318 struct mt_class *cls = &td->mtclass;
c2ef8f21 319 int code;
4875ac11 320
658d4aed 321 /* Only map fields from TouchScreen or TouchPad collections.
2258e863
DK		 322 * We need to ignore fields that belong to other collections
323 * such as Mouse that might have the same GenericDesktop usages. */
658d4aed 324 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 325 td->mt_flags |= INPUT_MT_DIRECT;
c2ef8f21 326 else if (field->application != HID_DG_TOUCHPAD)
658d4aed
JB		 327 return 0;
328
76f5902a
HR		 329 /*
330 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 331 */
332 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 333 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
334 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 335
2261bb9f
BT		 336 /* eGalax devices provide a Digitizer.Stylus input which overrides
337 * the correct Digitizers.Finger X/Y ranges.
338 * Let's just ignore this input. */
339 if (field->physical == HID_DG_STYLUS)
340 return -1;
341
5519cab4
BT		 342 switch (usage->hid & HID_USAGE_PAGE) {
343
344 case HID_UP_GENDESK:
345 switch (usage->hid) {
346 case HID_GD_X:
347 hid_map_usage(hi, usage, bit, max,
348 EV_ABS, ABS_MT_POSITION_X);
349 set_abs(hi->input, ABS_MT_POSITION_X, field,
350 cls->sn_move);
3ac36d15 351 mt_store_field(usage, td, hi);
ed9d5c96 352 td->last_field_index = field->index;
5519cab4
BT		 353 return 1;
354 case HID_GD_Y:
355 hid_map_usage(hi, usage, bit, max,
356 EV_ABS, ABS_MT_POSITION_Y);
357 set_abs(hi->input, ABS_MT_POSITION_Y, field,
358 cls->sn_move);
3ac36d15 359 mt_store_field(usage, td, hi);
ed9d5c96 360 td->last_field_index = field->index;
5519cab4
BT		 361 return 1;
362 }
363 return 0;
364
365 case HID_UP_DIGITIZER:
366 switch (usage->hid) {
367 case HID_DG_INRANGE:
3ac36d15 368 mt_store_field(usage, td, hi);
ed9d5c96 369 td->last_field_index = field->index;
5519cab4
BT		 370 return 1;
371 case HID_DG_CONFIDENCE:
3ac36d15 372 mt_store_field(usage, td, hi);
ed9d5c96 373 td->last_field_index = field->index;
5519cab4
BT		 374 return 1;
375 case HID_DG_TIPSWITCH:
376 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
377 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 378 mt_store_field(usage, td, hi);
ed9d5c96 379 td->last_field_index = field->index;
5519cab4
BT		 380 return 1;
381 case HID_DG_CONTACTID:
3ac36d15 382 mt_store_field(usage, td, hi);
2955caed 383 td->last_field_index = field->index;
9e87f22a 384 td->touches_by_report++;
5519cab4
BT		 385 return 1;
386 case HID_DG_WIDTH:
387 hid_map_usage(hi, usage, bit, max,
388 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 389 if (!(cls->quirks & MT_QUIRK_NO_AREA))
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);
77723e3b
HR		 398 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
399 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
400 cls->sn_height);
401 input_set_abs_params(hi->input,
1e648a13 402 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 403 }
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_TIPPRESSURE:
408 hid_map_usage(hi, usage, bit, max,
409 EV_ABS, ABS_MT_PRESSURE);
410 set_abs(hi->input, ABS_MT_PRESSURE, field,
411 cls->sn_pressure);
3ac36d15 412 mt_store_field(usage, td, hi);
ed9d5c96 413 td->last_field_index = field->index;
5519cab4
BT		 414 return 1;
415 case HID_DG_CONTACTCOUNT:
ed9d5c96 416 td->last_field_index = field->index;
5519cab4
BT		 417 return 1;
418 case HID_DG_CONTACTMAX:
419 /* we don't set td->last_slot_field as contactcount and
420 * contact max are global to the report */
ed9d5c96 421 td->last_field_index = field->index;
5519cab4 422 return -1;
c2ef8f21
BT		 423 case HID_DG_TOUCH:
424 /* Legacy devices use TIPSWITCH and not TOUCH.
425 * Let's just ignore this field. */
426 return -1;
65b258e9 427 }
5519cab4
BT		 428 /* let hid-input decide for the others */
429 return 0;
430
c2ef8f21
BT		 431 case HID_UP_BUTTON:
432 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
433 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
434 input_set_capability(hi->input, EV_KEY, code);
435 return 1;
436
5519cab4
BT		 437 case 0xff000000:
438 /* we do not want to map these: no input-oriented meaning */
439 return -1;
440 }
441
442 return 0;
443}
444
445static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
446 struct hid_field *field, struct hid_usage *usage,
447 unsigned long **bit, int *max)
448{
449 if (usage->type == EV_KEY || usage->type == EV_ABS)
450 set_bit(usage->type, hi->input->evbit);
451
452 return -1;
453}
454
3e1b5015 455static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 456{
eec29e3d 457 __s32 quirks = td->mtclass.quirks;
5519cab4 458
2d93666e
BT		 459 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
460 return td->curdata.contactid;
5519cab4 461
2d93666e 462 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 463 return cypress_compute_slot(td);
464
2d93666e
BT		 465 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
466 return td->num_received;
5572da08 467
4a6ee685
BT		 468 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
469 return td->curdata.contactid - 1;
470
3e1b5015 471 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 472}
473
474/*
475 * this function is called when a whole contact has been processed,
476 * so that it can assign it to a slot and store the data there
477 */
3e1b5015 478static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4
BT		 479{
480 if (td->curvalid) {
3e1b5015
HR		 481 int slotnum = mt_compute_slot(td, input);
482 struct mt_slot *s = &td->curdata;
5519cab4 483
3e1b5015
HR		 484 if (slotnum < 0 || slotnum >= td->maxcontacts)
485 return;
5519cab4 486
3e1b5015 487 input_mt_slot(input, slotnum);
5519cab4
BT		 488 input_mt_report_slot_state(input, MT_TOOL_FINGER,
489 s->touch_state);
2d93666e 490 if (s->touch_state) {
f786bba4
BT		 491 /* this finger is on the screen */
492 int wide = (s->w > s->h);
493 /* divided by two to match visual scale of touch */
494 int major = max(s->w, s->h) >> 1;
495 int minor = min(s->w, s->h) >> 1;
496
2d93666e
BT		 497 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
498 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
f786bba4 499 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 500 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 501 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
502 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 503 }
5519cab4
BT		 504 }
505
3e1b5015
HR		 506 td->num_received++;
507}
508
509/*
510 * this function is called when a whole packet has been received and processed,
511 * so that it can decide what to send to the input layer.
512 */
513static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
514{
76f5902a 515 input_mt_sync_frame(input);
5519cab4
BT		 516 input_sync(input);
517 td->num_received = 0;
518}
519
5519cab4
BT		 520static int mt_event(struct hid_device *hid, struct hid_field *field,
521 struct hid_usage *usage, __s32 value)
522{
523 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 524 __s32 quirks = td->mtclass.quirks;
5519cab4 525
3e1b5015 526 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 527 switch (usage->hid) {
528 case HID_DG_INRANGE:
a062cc5a
SC		 529 if (quirks & MT_QUIRK_ALWAYS_VALID)
530 td->curvalid = true;
531 else if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 532 td->curvalid = value;
5519cab4
BT		 533 break;
534 case HID_DG_TIPSWITCH:
2d93666e
BT		 535 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
536 td->curvalid = value;
5519cab4
BT		 537 td->curdata.touch_state = value;
538 break;
539 case HID_DG_CONFIDENCE:
2d93666e
BT		 540 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
541 td->curvalid = value;
5519cab4
BT		 542 break;
543 case HID_DG_CONTACTID:
544 td->curdata.contactid = value;
545 break;
546 case HID_DG_TIPPRESSURE:
547 td->curdata.p = value;
548 break;
549 case HID_GD_X:
550 td->curdata.x = value;
551 break;
552 case HID_GD_Y:
553 td->curdata.y = value;
554 break;
555 case HID_DG_WIDTH:
556 td->curdata.w = value;
557 break;
558 case HID_DG_HEIGHT:
559 td->curdata.h = value;
560 break;
561 case HID_DG_CONTACTCOUNT:
562 /*
2d93666e
BT		 563 * Includes multi-packet support where subsequent
564 * packets are sent with zero contactcount.
5519cab4
BT		 565 */
566 if (value)
2d93666e 567 td->num_expected = value;
5519cab4 568 break;
c2ef8f21
BT		 569 case HID_DG_TOUCH:
570 /* do nothing */
571 break;
5519cab4
BT		 572
573 default:
574 /* fallback to the generic hidinput handling */
575 return 0;
576 }
5519cab4 577
2258e863 578 if (usage->hid == td->last_slot_field)
3e1b5015 579 mt_complete_slot(td, field->hidinput->input);
2d93666e
BT		 580
581 if (field->index == td->last_field_index
582 && td->num_received >= td->num_expected)
3e1b5015 583 mt_sync_frame(td, field->hidinput->input);
5519cab4 584
2d93666e 585 }
5519cab4
BT		 586
587 /* we have handled the hidinput part, now remains hiddev */
588 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
589 hid->hiddev_hid_event(hid, field, usage, value);
590
591 return 1;
592}
593
594static void mt_set_input_mode(struct hid_device *hdev)
595{
596 struct mt_device *td = hid_get_drvdata(hdev);
597 struct hid_report *r;
598 struct hid_report_enum *re;
599
600 if (td->inputmode < 0)
601 return;
602
603 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
604 r = re->report_id_hash[td->inputmode];
605 if (r) {
4aceed37 606 r->field[0]->value[td->inputmode_index] = 0x02;
5519cab4
BT		 607 usbhid_submit_report(hdev, r, USB_DIR_OUT);
608 }
609}
610
31ae9bdd
BT		 611static void mt_set_maxcontacts(struct hid_device *hdev)
612{
613 struct mt_device *td = hid_get_drvdata(hdev);
614 struct hid_report *r;
615 struct hid_report_enum *re;
616 int fieldmax, max;
617
618 if (td->maxcontact_report_id < 0)
619 return;
620
621 if (!td->mtclass.maxcontacts)
622 return;
623
624 re = &hdev->report_enum[HID_FEATURE_REPORT];
625 r = re->report_id_hash[td->maxcontact_report_id];
626 if (r) {
627 max = td->mtclass.maxcontacts;
628 fieldmax = r->field[0]->logical_maximum;
629 max = min(fieldmax, max);
630 if (r->field[0]->value[0] != max) {
631 r->field[0]->value[0] = max;
632 usbhid_submit_report(hdev, r, USB_DIR_OUT);
633 }
634 }
635}
636
4fa3a583
HR		 637static void mt_post_parse_default_settings(struct mt_device *td)
638{
639 __s32 quirks = td->mtclass.quirks;
640
641 /* unknown serial device needs special quirks */
642 if (td->touches_by_report == 1) {
643 quirks |= MT_QUIRK_ALWAYS_VALID;
644 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
645 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
646 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
647 }
648
649 td->mtclass.quirks = quirks;
650}
651
3ac36d15
BT		 652static void mt_post_parse(struct mt_device *td)
653{
654 struct mt_fields *f = td->fields;
655
656 if (td->touches_by_report > 0) {
657 int field_count_per_touch = f->length / td->touches_by_report;
658 td->last_slot_field = f->usages[field_count_per_touch - 1];
659 }
660}
661
76f5902a
HR		 662static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
663
664{
665 struct mt_device *td = hid_get_drvdata(hdev);
666 struct mt_class *cls = &td->mtclass;
667 struct input_dev *input = hi->input;
668
669 /* Only initialize slots for MT input devices */
670 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
671 return;
672
673 if (!td->maxcontacts)
674 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
675
676 mt_post_parse(td);
677 if (td->serial_maybe)
678 mt_post_parse_default_settings(td);
679
680 if (cls->is_indirect)
681 td->mt_flags |= INPUT_MT_POINTER;
682
3e1b5015
HR		 683 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
684 td->mt_flags |= INPUT_MT_DROP_UNUSED;
685
76f5902a
HR		 686 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
687
688 td->mt_flags = 0;
689}
690
5519cab4
BT		 691static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
692{
2d93666e 693 int ret, i;
5519cab4 694 struct mt_device *td;
2d93666e
BT		 695 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
696
94b5485c
HR		 697 for (i = 0; mt_classes[i].name ; i++) {
698 if (id->driver_data == mt_classes[i].name) {
699 mtclass = &(mt_classes[i]);
700 break;
2d93666e
BT		 701 }
702 }
5519cab4 703
d682bd7f
HR		 704 /* This allows the driver to correctly support devices
705 * that emit events over several HID messages.
706 */
707 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 708
9498f954 709 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 710 if (!td) {
711 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
712 return -ENOMEM;
713 }
eec29e3d 714 td->mtclass = *mtclass;
5519cab4 715 td->inputmode = -1;
31ae9bdd 716 td->maxcontact_report_id = -1;
5519cab4
BT		 717 hid_set_drvdata(hdev, td);
718
3ac36d15
BT		 719 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
720 if (!td->fields) {
721 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
722 ret = -ENOMEM;
723 goto fail;
724 }
725
76f5902a
HR		 726 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
727 td->serial_maybe = true;
728
5519cab4
BT		 729 ret = hid_parse(hdev);
730 if (ret != 0)
731 goto fail;
732
733 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 734 if (ret)
5519cab4
BT		 735 goto fail;
736
eec29e3d
BT		 737 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
738
31ae9bdd 739 mt_set_maxcontacts(hdev);
5519cab4
BT		 740 mt_set_input_mode(hdev);
741
3ac36d15
BT		 742 kfree(td->fields);
743 td->fields = NULL;
744
5519cab4
BT		 745 return 0;
746
747fail:
3ac36d15 748 kfree(td->fields);
5519cab4
BT		 749 kfree(td);
750 return ret;
751}
752
753#ifdef CONFIG_PM
754static int mt_reset_resume(struct hid_device *hdev)
755{
31ae9bdd 756 mt_set_maxcontacts(hdev);
5519cab4
BT		 757 mt_set_input_mode(hdev);
758 return 0;
759}
dfeefd10
SL		 760
761static int mt_resume(struct hid_device *hdev)
762{
763 struct usb_interface *intf;
764 struct usb_host_interface *interface;
765 struct usb_device *dev;
766
767 if (hdev->bus != BUS_USB)
768 return 0;
769
770 intf = to_usb_interface(hdev->dev.parent);
771 interface = intf->cur_altsetting;
772 dev = hid_to_usb_dev(hdev);
773
774 /* Some Elan legacy devices require SET_IDLE to be set on resume.
775 * It should be safe to send it to other devices too.
776 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
777
778 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
779 HID_REQ_SET_IDLE,
780 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
781 0, interface->desc.bInterfaceNumber,
782 NULL, 0, USB_CTRL_SET_TIMEOUT);
783
784 return 0;
785}
5519cab4
BT		 786#endif
787
788static void mt_remove(struct hid_device *hdev)
789{
790 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 791 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4
BT		 792 hid_hw_stop(hdev);
793 kfree(td);
794 hid_set_drvdata(hdev, NULL);
795}
796
797static const struct hid_device_id mt_devices[] = {
798
f786bba4
BT		 799 /* 3M panels */
800 { .driver_data = MT_CLS_3M,
2c2110e9 801 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 802 USB_DEVICE_ID_3M1968) },
803 { .driver_data = MT_CLS_3M,
2c2110e9 804 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 805 USB_DEVICE_ID_3M2256) },
c4fad877 806 { .driver_data = MT_CLS_3M,
2c2110e9 807 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 808 USB_DEVICE_ID_3M3266) },
f786bba4 809
e6aac342
BT		 810 /* ActionStar panels */
811 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 812 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 813 USB_DEVICE_ID_ACTIONSTAR_1011) },
814
b1057124
BT		 815 /* Atmel panels */
816 { .driver_data = MT_CLS_SERIAL,
2c2110e9 817 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 818 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 819 { .driver_data = MT_CLS_SERIAL,
2c2110e9 820 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 821 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 822
9ed32695
JK		 823 /* Baanto multitouch devices */
824 { .driver_data = MT_CLS_DEFAULT,
16b79bb8 825 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 826 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 827 /* Cando panels */
828 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 829 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 830 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
831 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 832 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 833 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
834 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 835 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 836 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
837 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 838 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 839 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
840
942fd422
AZ		 841 /* Chunghwa Telecom touch panels */
842 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 843 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 844 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
845
79603dc9
BT		 846 /* CVTouch panels */
847 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 848 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 849 USB_DEVICE_ID_CVTOUCH_SCREEN) },
850
a3b5e577
BT		 851 /* Cypress panel */
852 { .driver_data = MT_CLS_CYPRESS,
853 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
854 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
855
22408283 856 /* eGalax devices (resistive) */
e36f690b 857 { .driver_data = MT_CLS_EGALAX,
2c2110e9 858 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 859 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
860 { .driver_data = MT_CLS_EGALAX,
2c2110e9 861 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 862 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 863
864 /* eGalax devices (capacitive) */
e36f690b 865 { .driver_data = MT_CLS_EGALAX,
2c2110e9 866 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 867 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 868 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 869 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 870 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
871 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 872 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 873 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
874 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 875 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 876 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 877 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 878 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 879 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 880 { .driver_data = MT_CLS_EGALAX,
2c2110e9 881 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 882 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 883 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 884 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 885 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 886 { .driver_data = MT_CLS_EGALAX,
2c2110e9 887 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 888 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 889 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 890 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 891 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 892 { .driver_data = MT_CLS_EGALAX,
2c2110e9 893 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 894 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 895 { .driver_data = MT_CLS_EGALAX,
2c2110e9 896 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 897 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 898 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 899 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 900 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 901 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 902 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
903 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 904 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 905 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 906 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
3d77104a
JK		 907 { .driver_data = MT_CLS_EGALAX,
908 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
909 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
910 { .driver_data = MT_CLS_EGALAX,
911 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
912 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
913 { .driver_data = MT_CLS_EGALAX,
914 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
915 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
22408283 916
c04abeef
BT		 917 /* Elo TouchSystems IntelliTouch Plus panel */
918 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
2c2110e9 919 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 920 USB_DEVICE_ID_ELO_TS2515) },
921
77723e3b
HR		 922 /* Flatfrog Panels */
923 { .driver_data = MT_CLS_FLATFROG,
924 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
925 USB_DEVICE_ID_MULTITOUCH_3200) },
926
5572da08 927 /* GeneralTouch panel */
f5ff4e1e 928 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 929 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 930 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 931 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
932 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
933 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 934
4d5df5d1
AN		 935 /* Gametel game controller */
936 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 937 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 938 USB_DEVICE_ID_GAMETEL_MT_MODE) },
939
ee0fbd14
BT		 940 /* GoodTouch panels */
941 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 942 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 943 USB_DEVICE_ID_GOODTOUCH_000f) },
944
54580365
BT		 945 /* Hanvon panels */
946 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 947 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 948 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
949
a062cc5a
SC		 950 /* Ideacom panel */
951 { .driver_data = MT_CLS_SERIAL,
2c2110e9 952 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 953 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 954 { .driver_data = MT_CLS_SERIAL,
2c2110e9 955 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 956 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 957
4e61f0d7
AZ		 958 /* Ilitek dual touch panel */
959 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 960 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 961 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
962
4dfcced8
BT		 963 /* IRTOUCH panels */
964 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 965 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 966 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
967
c50bb1a4
JB		 968 /* LG Display panels */
969 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 970 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 971 USB_DEVICE_ID_LG_MULTITOUCH) },
972
df167c4a
BT		 973 /* Lumio panels */
974 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 975 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 976 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 977 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 978 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 979 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 980
4a6ee685
BT		 981 /* MosArt panels */
982 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 983 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 984 USB_DEVICE_ID_ASUS_T91MT)},
985 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 986 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 987 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
988 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 989 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 990 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
991
2258e863
DK		 992 /* Panasonic panels */
993 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 994 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 995 USB_DEVICE_ID_PANABOARD_UBT780) },
996 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 997 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 998 USB_DEVICE_ID_PANABOARD_UBT880) },
999
4db703ea
AH		 1000 /* Novatek Panel */
1001 { .driver_data = MT_CLS_DEFAULT,
4380d819 1002 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1003 USB_DEVICE_ID_NOVATEK_PCT) },
1004
6ab3a9a6
JS		 1005 /* PenMount panels */
1006 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1007 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1008 USB_DEVICE_ID_PENMOUNT_PCI) },
1009
b7ea95ff
AT		 1010 /* PixArt optical touch screen */
1011 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1012 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1013 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1014 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1015 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1016 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1017 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1018 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1019 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1020
5519cab4 1021 /* PixCir-based panels */
1e9cf35b 1022 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1023 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1024 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1025 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1026 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1027 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1028
5e7ea11f
BT		 1029 /* Quanta-based panels */
1030 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1031 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1032 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1033 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1034 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1035 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1036 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1037 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1038 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1039
043b403a 1040 /* Stantum panels */
bf5af9b5 1041 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1042 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1043 USB_DEVICE_ID_MTP)},
bf5af9b5 1044 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1045 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1046 USB_DEVICE_ID_MTP_STM)},
bf5af9b5 1047 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1048 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1049 USB_DEVICE_ID_MTP_SITRONIX)},
1050
847672cd
BT		 1051 /* TopSeed panels */
1052 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1053 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1054 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1055
5e74e56d
BT		 1056 /* Touch International panels */
1057 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1058 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1059 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1060
617b64f9
BT		 1061 /* Unitec panels */
1062 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1063 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9
BT		 1064 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1065 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1066 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1067 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1068 /* XAT */
1069 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1070 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1071 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1072
11576c61
MH		 1073 /* Xiroku */
1074 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1075 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1076 USB_DEVICE_ID_XIROKU_SPX) },
1077 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1078 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1079 USB_DEVICE_ID_XIROKU_MPX) },
1080 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1081 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1082 USB_DEVICE_ID_XIROKU_CSR) },
1083 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1084 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1085 USB_DEVICE_ID_XIROKU_SPX1) },
1086 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1087 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1088 USB_DEVICE_ID_XIROKU_MPX1) },
1089 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1090 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1091 USB_DEVICE_ID_XIROKU_CSR1) },
1092 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1093 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1094 USB_DEVICE_ID_XIROKU_SPX2) },
1095 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1096 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1097 USB_DEVICE_ID_XIROKU_MPX2) },
1098 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1099 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1100 USB_DEVICE_ID_XIROKU_CSR2) },
1101
82d06982
BT		 1102 /* Zytronic panels */
1103 { .driver_data = MT_CLS_SERIAL,
1104 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1105 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1106
4fa3a583
HR		 1107 /* Generic MT device */
1108 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1109 { }
1110};
1111MODULE_DEVICE_TABLE(hid, mt_devices);
1112
1113static const struct hid_usage_id mt_grabbed_usages[] = {
1114 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1115 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1116};
1117
1118static struct hid_driver mt_driver = {
1119 .name = "hid-multitouch",
1120 .id_table = mt_devices,
1121 .probe = mt_probe,
1122 .remove = mt_remove,
1123 .input_mapping = mt_input_mapping,
1124 .input_mapped = mt_input_mapped,
76f5902a 1125 .input_configured = mt_input_configured,
5519cab4
BT		 1126 .feature_mapping = mt_feature_mapping,
1127 .usage_table = mt_grabbed_usages,
1128 .event = mt_event,
1129#ifdef CONFIG_PM
1130 .reset_resume = mt_reset_resume,
dfeefd10 1131 .resume = mt_resume,
5519cab4
BT		 1132#endif
1133};
1134
1135static int __init mt_init(void)
1136{
1137 return hid_register_driver(&mt_driver);
1138}
1139
1140static void __exit mt_exit(void)
1141{
1142 hid_unregister_driver(&mt_driver);
1143}
1144
1145module_init(mt_init);
1146module_exit(mt_exit);
kernel source for telekom puls (alcatel/mediatek)