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