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HID: multitouch: fix protocol for Cando 2087:0a02
[deliverable/linux.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)
9b3bb9b8 56#define MT_QUIRK_HOVERING (1 << 11)
c2517f62 57#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
5519cab4
BT		 58
59struct mt_slot {
349fd670 60 __s32 x, y, cx, cy, p, w, h;
5519cab4
BT		 61 __s32 contactid; /* the device ContactID assigned to this slot */
62 bool touch_state; /* is the touch valid? */
9b3bb9b8 63 bool inrange_state; /* is the finger in proximity of the sensor? */
5519cab4
BT		 64};
65
eec29e3d
BT		 66struct mt_class {
67 __s32 name; /* MT_CLS */
68 __s32 quirks;
69 __s32 sn_move; /* Signal/noise ratio for move events */
70 __s32 sn_width; /* Signal/noise ratio for width events */
71 __s32 sn_height; /* Signal/noise ratio for height events */
72 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
73 __u8 maxcontacts;
c2ef8f21 74 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 75};
76
3ac36d15
BT		 77struct mt_fields {
78 unsigned usages[HID_MAX_FIELDS];
79 unsigned int length;
80};
81
5519cab4
BT		 82struct mt_device {
83 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 84 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 85 struct mt_fields *fields; /* temporary placeholder for storing the
86 multitouch fields */
c2517f62 87 __s32 *contactcount; /* contact count value in the report */
5519cab4
BT		 88 unsigned last_field_index; /* last field index of the report */
89 unsigned last_slot_field; /* the last field of a slot */
55978fa9 90 unsigned mt_report_id; /* the report ID of the multitouch device */
5519cab4 91 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
4aceed37 92 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 93 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
94 -1 if non-existent */
5519cab4
BT		 95 __u8 num_received; /* how many contacts we received */
96 __u8 num_expected; /* expected last contact index */
9498f954 97 __u8 maxcontacts;
9e87f22a
BT		 98 __u8 touches_by_report; /* how many touches are present in one report:
99 * 1 means we should use a serial protocol
100 * > 1 means hybrid (multitouch) protocol */
76f5902a 101 bool serial_maybe; /* need to check for serial protocol */
5519cab4 102 bool curvalid; /* is the current contact valid? */
76f5902a 103 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 104};
105
5519cab4 106/* classes of device behavior */
22408283
BT		 107#define MT_CLS_DEFAULT 0x0001
108
a062cc5a
SC		 109#define MT_CLS_SERIAL 0x0002
110#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 111#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
112#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
113#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
114#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
115#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 116#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
c2517f62 117#define MT_CLS_ALWAYS_TRUE 0x000a
efc16787 118#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
22408283
BT		 119
120/* vendor specific classes */
121#define MT_CLS_3M 0x0101
122#define MT_CLS_CYPRESS 0x0102
123#define MT_CLS_EGALAX 0x0103
1b723e8d 124#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 125#define MT_CLS_TOPSEED 0x0105
2258e863 126#define MT_CLS_PANASONIC 0x0106
77723e3b 127#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 128#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
129#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 130
9498f954 131#define MT_DEFAULT_MAXCONTACT 10
afbcb04c 132#define MT_MAX_MAXCONTACT 250
9498f954 133
2c2110e9
HR		 134#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
135#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
136
5519cab4
BT		 137/*
138 * these device-dependent functions determine what slot corresponds
139 * to a valid contact that was just read.
140 */
141
a3b5e577
BT		 142static int cypress_compute_slot(struct mt_device *td)
143{
144 if (td->curdata.contactid != 0 || td->num_received == 0)
145 return td->curdata.contactid;
146 else
147 return -1;
148}
149
b3c21d2c 150static struct mt_class mt_classes[] = {
2d93666e 151 { .name = MT_CLS_DEFAULT,
9498f954 152 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 153 { .name = MT_CLS_SERIAL,
154 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 155 { .name = MT_CLS_CONFIDENCE,
156 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 157 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
158 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
159 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 160 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
161 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
162 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 163 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 164 .quirks = MT_QUIRK_VALID_IS_INRANGE |
165 MT_QUIRK_SLOT_IS_CONTACTID,
166 .maxcontacts = 2 },
1e9cf35b 167 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 168 .quirks = MT_QUIRK_VALID_IS_INRANGE |
169 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
170 .maxcontacts = 2 },
22408283
BT		 171 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
172 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
173 MT_QUIRK_SLOT_IS_CONTACTID,
174 .maxcontacts = 2 },
b7ea95ff
AT		 175 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
176 .quirks = MT_QUIRK_VALID_IS_INRANGE |
177 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
c2517f62
BT		 178 { .name = MT_CLS_ALWAYS_TRUE,
179 .quirks = MT_QUIRK_ALWAYS_VALID |
180 MT_QUIRK_CONTACT_CNT_ACCURATE },
efc16787
BT		 181 { .name = MT_CLS_DUAL_CONTACT_NUMBER,
182 .quirks = MT_QUIRK_ALWAYS_VALID |
183 MT_QUIRK_CONTACT_CNT_ACCURATE |
184 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
185 .maxcontacts = 2 },
22408283
BT		 186
187 /*
188 * vendor specific classes
189 */
190 { .name = MT_CLS_3M,
191 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
192 MT_QUIRK_SLOT_IS_CONTACTID,
193 .sn_move = 2048,
194 .sn_width = 128,
c5d40be5
HR		 195 .sn_height = 128,
196 .maxcontacts = 60,
197 },
2d93666e
BT		 198 { .name = MT_CLS_CYPRESS,
199 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
200 MT_QUIRK_CYPRESS,
201 .maxcontacts = 10 },
4875ac11
RN		 202 { .name = MT_CLS_EGALAX,
203 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 204 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 205 .sn_move = 4096,
206 .sn_pressure = 32,
207 },
1b723e8d
BT		 208 { .name = MT_CLS_EGALAX_SERIAL,
209 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
210 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 211 .sn_move = 4096,
212 .sn_pressure = 32,
213 },
847672cd
BT		 214 { .name = MT_CLS_TOPSEED,
215 .quirks = MT_QUIRK_ALWAYS_VALID,
216 .is_indirect = true,
217 .maxcontacts = 2,
218 },
2258e863
DK		 219 { .name = MT_CLS_PANASONIC,
220 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
221 .maxcontacts = 4 },
f5ff4e1e
XY		 222 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
223 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
224 MT_QUIRK_VALID_IS_INRANGE |
225 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
226 .maxcontacts = 2
227 },
228 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
229 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 230 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 231 },
043b403a 232
77723e3b
HR		 233 { .name = MT_CLS_FLATFROG,
234 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
235 MT_QUIRK_NO_AREA,
236 .sn_move = 2048,
237 .maxcontacts = 40,
238 },
2d93666e 239 { }
5519cab4
BT		 240};
241
eec29e3d
BT		 242static ssize_t mt_show_quirks(struct device *dev,
243 struct device_attribute *attr,
244 char *buf)
245{
246 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
247 struct mt_device *td = hid_get_drvdata(hdev);
248
249 return sprintf(buf, "%u\n", td->mtclass.quirks);
250}
251
252static ssize_t mt_set_quirks(struct device *dev,
253 struct device_attribute *attr,
254 const char *buf, size_t count)
255{
256 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
257 struct mt_device *td = hid_get_drvdata(hdev);
258
259 unsigned long val;
260
261 if (kstrtoul(buf, 0, &val))
262 return -EINVAL;
263
264 td->mtclass.quirks = val;
265
c2517f62
BT		 266 if (!td->contactcount)
267 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
268
eec29e3d
BT		 269 return count;
270}
271
272static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
273
274static struct attribute *sysfs_attrs[] = {
275 &dev_attr_quirks.attr,
276 NULL
277};
278
279static struct attribute_group mt_attribute_group = {
280 .attrs = sysfs_attrs
281};
282
f635bd11 283static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 284 struct hid_field *field, struct hid_usage *usage)
285{
9498f954 286 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 287 int i;
9498f954
BT		 288
289 switch (usage->hid) {
290 case HID_DG_INPUTMODE:
5519cab4 291 td->inputmode = field->report->id;
4aceed37
BT		 292 td->inputmode_index = 0; /* has to be updated below */
293
294 for (i=0; i < field->maxusage; i++) {
295 if (field->usage[i].hid == usage->hid) {
296 td->inputmode_index = i;
297 break;
298 }
299 }
300
9498f954
BT		 301 break;
302 case HID_DG_CONTACTMAX:
31ae9bdd 303 td->maxcontact_report_id = field->report->id;
9498f954 304 td->maxcontacts = field->value[0];
afbcb04c
BT		 305 if (!td->maxcontacts &&
306 field->logical_maximum <= MT_MAX_MAXCONTACT)
307 td->maxcontacts = field->logical_maximum;
eec29e3d 308 if (td->mtclass.maxcontacts)
9498f954 309 /* check if the maxcontacts is given by the class */
eec29e3d 310 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 311
312 break;
1b42fc4a
BT		 313 case 0xff0000c5:
314 if (field->report_count == 256 && field->report_size == 8) {
315 /* Win 8 devices need special quirks */
316 __s32 *quirks = &td->mtclass.quirks;
317 *quirks |= MT_QUIRK_ALWAYS_VALID;
318 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
319 *quirks |= MT_QUIRK_HOVERING;
c629dd7e 320 *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
1b42fc4a
BT		 321 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
322 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
323 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
324 }
325 break;
5519cab4
BT		 326 }
327}
328
329static void set_abs(struct input_dev *input, unsigned int code,
330 struct hid_field *field, int snratio)
331{
332 int fmin = field->logical_minimum;
333 int fmax = field->logical_maximum;
334 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
335 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
37cf6e6f 336 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
5519cab4
BT		 337}
338
3ac36d15 339static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 340 struct hid_input *hi)
341{
3ac36d15
BT		 342 struct mt_fields *f = td->fields;
343
344 if (f->length >= HID_MAX_FIELDS)
345 return;
346
347 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 348}
349
5519cab4
BT		 350static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
351 struct hid_field *field, struct hid_usage *usage,
352 unsigned long **bit, int *max)
353{
354 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 355 struct mt_class *cls = &td->mtclass;
c2ef8f21 356 int code;
349fd670 357 struct hid_usage *prev_usage = NULL;
4875ac11 358
658d4aed 359 /* Only map fields from TouchScreen or TouchPad collections.
2258e863
DK		 360 * We need to ignore fields that belong to other collections
361 * such as Mouse that might have the same GenericDesktop usages. */
658d4aed 362 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 363 td->mt_flags |= INPUT_MT_DIRECT;
c2ef8f21 364 else if (field->application != HID_DG_TOUCHPAD)
658d4aed
JB		 365 return 0;
366
76f5902a
HR		 367 /*
368 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 369 */
370 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 371 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
372 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 373
2261bb9f
BT		 374 /* eGalax devices provide a Digitizer.Stylus input which overrides
375 * the correct Digitizers.Finger X/Y ranges.
376 * Let's just ignore this input. */
377 if (field->physical == HID_DG_STYLUS)
378 return -1;
379
349fd670
BT		 380 if (usage->usage_index)
381 prev_usage = &field->usage[usage->usage_index - 1];
382
5519cab4
BT		 383 switch (usage->hid & HID_USAGE_PAGE) {
384
385 case HID_UP_GENDESK:
386 switch (usage->hid) {
387 case HID_GD_X:
349fd670
BT		 388 if (prev_usage && (prev_usage->hid == usage->hid)) {
389 hid_map_usage(hi, usage, bit, max,
390 EV_ABS, ABS_MT_TOOL_X);
391 set_abs(hi->input, ABS_MT_TOOL_X, field,
392 cls->sn_move);
393 } else {
394 hid_map_usage(hi, usage, bit, max,
5519cab4 395 EV_ABS, ABS_MT_POSITION_X);
349fd670
BT		 396 set_abs(hi->input, ABS_MT_POSITION_X, field,
397 cls->sn_move);
398 }
399
3ac36d15 400 mt_store_field(usage, td, hi);
ed9d5c96 401 td->last_field_index = field->index;
5519cab4
BT		 402 return 1;
403 case HID_GD_Y:
349fd670
BT		 404 if (prev_usage && (prev_usage->hid == usage->hid)) {
405 hid_map_usage(hi, usage, bit, max,
406 EV_ABS, ABS_MT_TOOL_Y);
407 set_abs(hi->input, ABS_MT_TOOL_Y, field,
408 cls->sn_move);
409 } else {
410 hid_map_usage(hi, usage, bit, max,
5519cab4 411 EV_ABS, ABS_MT_POSITION_Y);
349fd670
BT		 412 set_abs(hi->input, ABS_MT_POSITION_Y, field,
413 cls->sn_move);
414 }
415
3ac36d15 416 mt_store_field(usage, td, hi);
ed9d5c96 417 td->last_field_index = field->index;
5519cab4
BT		 418 return 1;
419 }
420 return 0;
421
422 case HID_UP_DIGITIZER:
423 switch (usage->hid) {
424 case HID_DG_INRANGE:
9b3bb9b8
BT		 425 if (cls->quirks & MT_QUIRK_HOVERING) {
426 hid_map_usage(hi, usage, bit, max,
427 EV_ABS, ABS_MT_DISTANCE);
428 input_set_abs_params(hi->input,
429 ABS_MT_DISTANCE, 0, 1, 0, 0);
430 }
3ac36d15 431 mt_store_field(usage, td, hi);
ed9d5c96 432 td->last_field_index = field->index;
5519cab4
BT		 433 return 1;
434 case HID_DG_CONFIDENCE:
3ac36d15 435 mt_store_field(usage, td, hi);
ed9d5c96 436 td->last_field_index = field->index;
5519cab4
BT		 437 return 1;
438 case HID_DG_TIPSWITCH:
439 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
440 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 441 mt_store_field(usage, td, hi);
ed9d5c96 442 td->last_field_index = field->index;
5519cab4
BT		 443 return 1;
444 case HID_DG_CONTACTID:
3ac36d15 445 mt_store_field(usage, td, hi);
2955caed 446 td->last_field_index = field->index;
9e87f22a 447 td->touches_by_report++;
55978fa9 448 td->mt_report_id = field->report->id;
5519cab4
BT		 449 return 1;
450 case HID_DG_WIDTH:
451 hid_map_usage(hi, usage, bit, max,
452 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 453 if (!(cls->quirks & MT_QUIRK_NO_AREA))
454 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
455 cls->sn_width);
3ac36d15 456 mt_store_field(usage, td, hi);
ed9d5c96 457 td->last_field_index = field->index;
5519cab4
BT		 458 return 1;
459 case HID_DG_HEIGHT:
460 hid_map_usage(hi, usage, bit, max,
461 EV_ABS, ABS_MT_TOUCH_MINOR);
77723e3b
HR		 462 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
463 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
464 cls->sn_height);
465 input_set_abs_params(hi->input,
1e648a13 466 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 467 }
3ac36d15 468 mt_store_field(usage, td, hi);
ed9d5c96 469 td->last_field_index = field->index;
5519cab4
BT		 470 return 1;
471 case HID_DG_TIPPRESSURE:
472 hid_map_usage(hi, usage, bit, max,
473 EV_ABS, ABS_MT_PRESSURE);
474 set_abs(hi->input, ABS_MT_PRESSURE, field,
475 cls->sn_pressure);
3ac36d15 476 mt_store_field(usage, td, hi);
ed9d5c96 477 td->last_field_index = field->index;
5519cab4
BT		 478 return 1;
479 case HID_DG_CONTACTCOUNT:
c2517f62 480 td->contactcount = field->value + usage->usage_index;
ed9d5c96 481 td->last_field_index = field->index;
5519cab4
BT		 482 return 1;
483 case HID_DG_CONTACTMAX:
484 /* we don't set td->last_slot_field as contactcount and
485 * contact max are global to the report */
ed9d5c96 486 td->last_field_index = field->index;
5519cab4 487 return -1;
c2ef8f21
BT		 488 case HID_DG_TOUCH:
489 /* Legacy devices use TIPSWITCH and not TOUCH.
490 * Let's just ignore this field. */
491 return -1;
65b258e9 492 }
5519cab4
BT		 493 /* let hid-input decide for the others */
494 return 0;
495
c2ef8f21
BT		 496 case HID_UP_BUTTON:
497 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
498 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
499 input_set_capability(hi->input, EV_KEY, code);
500 return 1;
501
5519cab4
BT		 502 case 0xff000000:
503 /* we do not want to map these: no input-oriented meaning */
504 return -1;
505 }
506
507 return 0;
508}
509
510static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
511 struct hid_field *field, struct hid_usage *usage,
512 unsigned long **bit, int *max)
513{
514 if (usage->type == EV_KEY || usage->type == EV_ABS)
515 set_bit(usage->type, hi->input->evbit);
516
517 return -1;
518}
519
3e1b5015 520static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 521{
eec29e3d 522 __s32 quirks = td->mtclass.quirks;
5519cab4 523
2d93666e
BT		 524 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
525 return td->curdata.contactid;
5519cab4 526
2d93666e 527 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 528 return cypress_compute_slot(td);
529
2d93666e
BT		 530 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
531 return td->num_received;
5572da08 532
4a6ee685
BT		 533 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
534 return td->curdata.contactid - 1;
535
3e1b5015 536 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 537}
538
539/*
540 * this function is called when a whole contact has been processed,
541 * so that it can assign it to a slot and store the data there
542 */
3e1b5015 543static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4 544{
c2517f62
BT		 545 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
546 td->num_received >= td->num_expected)
547 return;
548
20b60e6d 549 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
3e1b5015
HR		 550 int slotnum = mt_compute_slot(td, input);
551 struct mt_slot *s = &td->curdata;
28728399 552 struct input_mt *mt = input->mt;
5519cab4 553
3e1b5015
HR		 554 if (slotnum < 0 || slotnum >= td->maxcontacts)
555 return;
5519cab4 556
28728399
BT		 557 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
558 struct input_mt_slot *slot = &mt->slots[slotnum];
559 if (input_mt_is_active(slot) &&
560 input_mt_is_used(mt, slot))
561 return;
562 }
563
3e1b5015 564 input_mt_slot(input, slotnum);
5519cab4 565 input_mt_report_slot_state(input, MT_TOOL_FINGER,
9b3bb9b8
BT		 566 s->touch_state || s->inrange_state);
567 if (s->touch_state || s->inrange_state) {
568 /* this finger is in proximity of the sensor */
f786bba4
BT		 569 int wide = (s->w > s->h);
570 /* divided by two to match visual scale of touch */
571 int major = max(s->w, s->h) >> 1;
572 int minor = min(s->w, s->h) >> 1;
573
2d93666e
BT		 574 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
575 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
349fd670
BT		 576 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
577 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
9b3bb9b8
BT		 578 input_event(input, EV_ABS, ABS_MT_DISTANCE,
579 !s->touch_state);
f786bba4 580 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 581 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 582 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
583 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 584 }
5519cab4
BT		 585 }
586
3e1b5015
HR		 587 td->num_received++;
588}
589
590/*
591 * this function is called when a whole packet has been received and processed,
592 * so that it can decide what to send to the input layer.
593 */
594static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
595{
76f5902a 596 input_mt_sync_frame(input);
5519cab4
BT		 597 input_sync(input);
598 td->num_received = 0;
599}
600
5519cab4
BT		 601static int mt_event(struct hid_device *hid, struct hid_field *field,
602 struct hid_usage *usage, __s32 value)
55978fa9
BT		 603{
604 /* we will handle the hidinput part later, now remains hiddev */
605 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
606 hid->hiddev_hid_event(hid, field, usage, value);
607
608 return 1;
609}
610
611static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
612 struct hid_usage *usage, __s32 value)
5519cab4
BT		 613{
614 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 615 __s32 quirks = td->mtclass.quirks;
5519cab4 616
3e1b5015 617 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 618 switch (usage->hid) {
619 case HID_DG_INRANGE:
20b60e6d 620 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 621 td->curvalid = value;
9b3bb9b8
BT		 622 if (quirks & MT_QUIRK_HOVERING)
623 td->curdata.inrange_state = value;
5519cab4
BT		 624 break;
625 case HID_DG_TIPSWITCH:
2d93666e
BT		 626 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
627 td->curvalid = value;
5519cab4
BT		 628 td->curdata.touch_state = value;
629 break;
630 case HID_DG_CONFIDENCE:
2d93666e
BT		 631 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
632 td->curvalid = value;
5519cab4
BT		 633 break;
634 case HID_DG_CONTACTID:
635 td->curdata.contactid = value;
636 break;
637 case HID_DG_TIPPRESSURE:
638 td->curdata.p = value;
639 break;
640 case HID_GD_X:
349fd670
BT		 641 if (usage->code == ABS_MT_TOOL_X)
642 td->curdata.cx = value;
643 else
644 td->curdata.x = value;
5519cab4
BT		 645 break;
646 case HID_GD_Y:
349fd670
BT		 647 if (usage->code == ABS_MT_TOOL_Y)
648 td->curdata.cy = value;
649 else
650 td->curdata.y = value;
5519cab4
BT		 651 break;
652 case HID_DG_WIDTH:
653 td->curdata.w = value;
654 break;
655 case HID_DG_HEIGHT:
656 td->curdata.h = value;
657 break;
658 case HID_DG_CONTACTCOUNT:
5519cab4 659 break;
c2ef8f21
BT		 660 case HID_DG_TOUCH:
661 /* do nothing */
662 break;
5519cab4
BT		 663
664 default:
55978fa9 665 return;
5519cab4 666 }
5519cab4 667
54f4c0c3
BT		 668 if (usage->usage_index + 1 == field->report_count) {
669 /* we only take into account the last report. */
670 if (usage->hid == td->last_slot_field)
671 mt_complete_slot(td, field->hidinput->input);
672
673 if (field->index == td->last_field_index
674 && td->num_received >= td->num_expected)
675 mt_sync_frame(td, field->hidinput->input);
676 }
5519cab4 677
2d93666e 678 }
55978fa9 679}
5519cab4 680
55978fa9
BT		 681static void mt_report(struct hid_device *hid, struct hid_report *report)
682{
683 struct mt_device *td = hid_get_drvdata(hid);
684 struct hid_field *field;
685 unsigned count;
686 int r, n;
5519cab4 687
55978fa9
BT		 688 if (report->id != td->mt_report_id)
689 return;
690
691 if (!(hid->claimed & HID_CLAIMED_INPUT))
692 return;
693
c2517f62
BT		 694 /*
695 * Includes multi-packet support where subsequent
696 * packets are sent with zero contactcount.
697 */
698 if (td->contactcount && *td->contactcount)
699 td->num_expected = *td->contactcount;
700
55978fa9
BT		 701 for (r = 0; r < report->maxfield; r++) {
702 field = report->field[r];
703 count = field->report_count;
704
705 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
706 continue;
707
708 for (n = 0; n < count; n++)
709 mt_process_mt_event(hid, field, &field->usage[n],
710 field->value[n]);
711 }
5519cab4
BT		 712}
713
714static void mt_set_input_mode(struct hid_device *hdev)
715{
716 struct mt_device *td = hid_get_drvdata(hdev);
717 struct hid_report *r;
718 struct hid_report_enum *re;
719
720 if (td->inputmode < 0)
721 return;
722
723 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
724 r = re->report_id_hash[td->inputmode];
725 if (r) {
4aceed37 726 r->field[0]->value[td->inputmode_index] = 0x02;
5519cab4
BT		 727 usbhid_submit_report(hdev, r, USB_DIR_OUT);
728 }
729}
730
31ae9bdd
BT		 731static void mt_set_maxcontacts(struct hid_device *hdev)
732{
733 struct mt_device *td = hid_get_drvdata(hdev);
734 struct hid_report *r;
735 struct hid_report_enum *re;
736 int fieldmax, max;
737
738 if (td->maxcontact_report_id < 0)
739 return;
740
741 if (!td->mtclass.maxcontacts)
742 return;
743
744 re = &hdev->report_enum[HID_FEATURE_REPORT];
745 r = re->report_id_hash[td->maxcontact_report_id];
746 if (r) {
747 max = td->mtclass.maxcontacts;
748 fieldmax = r->field[0]->logical_maximum;
749 max = min(fieldmax, max);
750 if (r->field[0]->value[0] != max) {
751 r->field[0]->value[0] = max;
752 usbhid_submit_report(hdev, r, USB_DIR_OUT);
753 }
754 }
755}
756
4fa3a583
HR		 757static void mt_post_parse_default_settings(struct mt_device *td)
758{
759 __s32 quirks = td->mtclass.quirks;
760
761 /* unknown serial device needs special quirks */
762 if (td->touches_by_report == 1) {
763 quirks |= MT_QUIRK_ALWAYS_VALID;
764 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
765 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
766 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
e0bb8f9a 767 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
4fa3a583
HR		 768 }
769
770 td->mtclass.quirks = quirks;
771}
772
3ac36d15
BT		 773static void mt_post_parse(struct mt_device *td)
774{
775 struct mt_fields *f = td->fields;
c2517f62 776 struct mt_class *cls = &td->mtclass;
3ac36d15
BT		 777
778 if (td->touches_by_report > 0) {
779 int field_count_per_touch = f->length / td->touches_by_report;
780 td->last_slot_field = f->usages[field_count_per_touch - 1];
781 }
c2517f62
BT		 782
783 if (!td->contactcount)
784 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
3ac36d15
BT		 785}
786
76f5902a
HR		 787static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
788
789{
790 struct mt_device *td = hid_get_drvdata(hdev);
791 struct mt_class *cls = &td->mtclass;
792 struct input_dev *input = hi->input;
793
794 /* Only initialize slots for MT input devices */
795 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
796 return;
797
798 if (!td->maxcontacts)
799 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
800
801 mt_post_parse(td);
802 if (td->serial_maybe)
803 mt_post_parse_default_settings(td);
804
805 if (cls->is_indirect)
806 td->mt_flags |= INPUT_MT_POINTER;
807
3e1b5015
HR		 808 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
809 td->mt_flags |= INPUT_MT_DROP_UNUSED;
810
76f5902a
HR		 811 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
812
813 td->mt_flags = 0;
814}
815
5519cab4
BT		 816static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
817{
2d93666e 818 int ret, i;
5519cab4 819 struct mt_device *td;
2d93666e
BT		 820 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
821
94b5485c
HR		 822 for (i = 0; mt_classes[i].name ; i++) {
823 if (id->driver_data == mt_classes[i].name) {
824 mtclass = &(mt_classes[i]);
825 break;
2d93666e
BT		 826 }
827 }
5519cab4 828
d682bd7f
HR		 829 /* This allows the driver to correctly support devices
830 * that emit events over several HID messages.
831 */
832 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 833
9498f954 834 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 835 if (!td) {
836 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
837 return -ENOMEM;
838 }
eec29e3d 839 td->mtclass = *mtclass;
5519cab4 840 td->inputmode = -1;
31ae9bdd 841 td->maxcontact_report_id = -1;
5519cab4
BT		 842 hid_set_drvdata(hdev, td);
843
3ac36d15
BT		 844 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
845 if (!td->fields) {
846 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
847 ret = -ENOMEM;
848 goto fail;
849 }
850
76f5902a
HR		 851 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
852 td->serial_maybe = true;
853
5519cab4
BT		 854 ret = hid_parse(hdev);
855 if (ret != 0)
856 goto fail;
857
858 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 859 if (ret)
5519cab4
BT		 860 goto fail;
861
eec29e3d
BT		 862 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
863
31ae9bdd 864 mt_set_maxcontacts(hdev);
5519cab4
BT		 865 mt_set_input_mode(hdev);
866
3ac36d15
BT		 867 kfree(td->fields);
868 td->fields = NULL;
869
5519cab4
BT		 870 return 0;
871
872fail:
3ac36d15 873 kfree(td->fields);
5519cab4
BT		 874 kfree(td);
875 return ret;
876}
877
878#ifdef CONFIG_PM
879static int mt_reset_resume(struct hid_device *hdev)
880{
31ae9bdd 881 mt_set_maxcontacts(hdev);
5519cab4
BT		 882 mt_set_input_mode(hdev);
883 return 0;
884}
dfeefd10
SL		 885
886static int mt_resume(struct hid_device *hdev)
887{
888 struct usb_interface *intf;
889 struct usb_host_interface *interface;
890 struct usb_device *dev;
891
892 if (hdev->bus != BUS_USB)
893 return 0;
894
895 intf = to_usb_interface(hdev->dev.parent);
896 interface = intf->cur_altsetting;
897 dev = hid_to_usb_dev(hdev);
898
899 /* Some Elan legacy devices require SET_IDLE to be set on resume.
900 * It should be safe to send it to other devices too.
901 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
902
903 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
904 HID_REQ_SET_IDLE,
905 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
906 0, interface->desc.bInterfaceNumber,
907 NULL, 0, USB_CTRL_SET_TIMEOUT);
908
909 return 0;
910}
5519cab4
BT		 911#endif
912
913static void mt_remove(struct hid_device *hdev)
914{
915 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 916 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4
BT		 917 hid_hw_stop(hdev);
918 kfree(td);
919 hid_set_drvdata(hdev, NULL);
920}
921
922static const struct hid_device_id mt_devices[] = {
923
f786bba4
BT		 924 /* 3M panels */
925 { .driver_data = MT_CLS_3M,
2c2110e9 926 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 927 USB_DEVICE_ID_3M1968) },
928 { .driver_data = MT_CLS_3M,
2c2110e9 929 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 930 USB_DEVICE_ID_3M2256) },
c4fad877 931 { .driver_data = MT_CLS_3M,
2c2110e9 932 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 933 USB_DEVICE_ID_3M3266) },
f786bba4 934
e6aac342
BT		 935 /* ActionStar panels */
936 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 937 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 938 USB_DEVICE_ID_ACTIONSTAR_1011) },
939
b1057124
BT		 940 /* Atmel panels */
941 { .driver_data = MT_CLS_SERIAL,
2c2110e9 942 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 943 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 944 { .driver_data = MT_CLS_SERIAL,
2c2110e9 945 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 946 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 947
9ed32695
JK		 948 /* Baanto multitouch devices */
949 { .driver_data = MT_CLS_DEFAULT,
16b79bb8 950 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 951 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 952 /* Cando panels */
953 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 954 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c 955 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
efc16787 956 { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
2c2110e9 957 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 958 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
959 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 960 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 961 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
962 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 963 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 964 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
965
942fd422
AZ		 966 /* Chunghwa Telecom touch panels */
967 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 968 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 969 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
970
79603dc9
BT		 971 /* CVTouch panels */
972 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 973 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 974 USB_DEVICE_ID_CVTOUCH_SCREEN) },
975
a3b5e577
BT		 976 /* Cypress panel */
977 { .driver_data = MT_CLS_CYPRESS,
978 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
979 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
980
22408283 981 /* eGalax devices (resistive) */
e36f690b 982 { .driver_data = MT_CLS_EGALAX,
2c2110e9 983 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 984 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
985 { .driver_data = MT_CLS_EGALAX,
2c2110e9 986 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 987 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 988
989 /* eGalax devices (capacitive) */
e36f690b 990 { .driver_data = MT_CLS_EGALAX,
2c2110e9 991 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 992 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 993 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 994 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 995 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
996 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 997 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 998 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
999 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1000 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1001 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 1002 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1003 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 1004 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 1005 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1006 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1007 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 1008 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1009 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1010 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 1011 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1012 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1013 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 1014 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1015 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1016 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 1017 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1018 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 1019 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 1020 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1021 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 1022 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 1023 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1024 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1025 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 1026 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 1027 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1028 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 1029 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1030 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1031 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
3d77104a
JK		 1032 { .driver_data = MT_CLS_EGALAX,
1033 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1034 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1035 { .driver_data = MT_CLS_EGALAX,
1036 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1037 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1038 { .driver_data = MT_CLS_EGALAX,
1039 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1040 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
22408283 1041
c04abeef
BT		 1042 /* Elo TouchSystems IntelliTouch Plus panel */
1043 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
2c2110e9 1044 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 1045 USB_DEVICE_ID_ELO_TS2515) },
1046
77723e3b
HR		 1047 /* Flatfrog Panels */
1048 { .driver_data = MT_CLS_FLATFROG,
1049 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1050 USB_DEVICE_ID_MULTITOUCH_3200) },
1051
5572da08 1052 /* GeneralTouch panel */
f5ff4e1e 1053 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 1054 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 1055 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 1056 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1057 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1058 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 1059
4d5df5d1
AN		 1060 /* Gametel game controller */
1061 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1062 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 1063 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1064
ee0fbd14
BT		 1065 /* GoodTouch panels */
1066 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1067 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 1068 USB_DEVICE_ID_GOODTOUCH_000f) },
1069
54580365
BT		 1070 /* Hanvon panels */
1071 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1072 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 1073 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1074
a062cc5a
SC		 1075 /* Ideacom panel */
1076 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1077 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 1078 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 1079 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1080 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 1081 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 1082
4e61f0d7
AZ		 1083 /* Ilitek dual touch panel */
1084 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1085 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 1086 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1087
4dfcced8
BT		 1088 /* IRTOUCH panels */
1089 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1090 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 1091 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1092
c50bb1a4
JB		 1093 /* LG Display panels */
1094 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1095 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 1096 USB_DEVICE_ID_LG_MULTITOUCH) },
1097
df167c4a
BT		 1098 /* Lumio panels */
1099 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1100 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 1101 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 1102 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1103 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 1104 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 1105
4a6ee685
BT		 1106 /* MosArt panels */
1107 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1108 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1109 USB_DEVICE_ID_ASUS_T91MT)},
1110 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1111 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1112 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1113 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1114 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 1115 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1116
c2517f62
BT		 1117 /* Nexio panels */
1118 { .driver_data = MT_CLS_ALWAYS_TRUE,
1119 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
1120 USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
1121
2258e863
DK		 1122 /* Panasonic panels */
1123 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1124 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1125 USB_DEVICE_ID_PANABOARD_UBT780) },
1126 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1127 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1128 USB_DEVICE_ID_PANABOARD_UBT880) },
1129
4db703ea
AH		 1130 /* Novatek Panel */
1131 { .driver_data = MT_CLS_DEFAULT,
4380d819 1132 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1133 USB_DEVICE_ID_NOVATEK_PCT) },
1134
6ab3a9a6
JS		 1135 /* PenMount panels */
1136 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1137 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1138 USB_DEVICE_ID_PENMOUNT_PCI) },
1139
b7ea95ff
AT		 1140 /* PixArt optical touch screen */
1141 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1142 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1143 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1144 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1145 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1146 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1147 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1148 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1149 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1150
5519cab4 1151 /* PixCir-based panels */
1e9cf35b 1152 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1153 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1154 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1155 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1156 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1157 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1158
5e7ea11f
BT		 1159 /* Quanta-based panels */
1160 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1161 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1162 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1163 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1164 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1165 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1166 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1167 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1168 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1169
043b403a 1170 /* Stantum panels */
bf5af9b5 1171 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1172 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1173 USB_DEVICE_ID_MTP)},
bf5af9b5 1174 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1175 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1176 USB_DEVICE_ID_MTP_STM)},
51377fed 1177 { .driver_data = MT_CLS_ALWAYS_TRUE,
2c2110e9 1178 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1179 USB_DEVICE_ID_MTP_SITRONIX)},
1180
847672cd
BT		 1181 /* TopSeed panels */
1182 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1183 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1184 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1185
5e74e56d
BT		 1186 /* Touch International panels */
1187 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1188 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1189 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1190
617b64f9
BT		 1191 /* Unitec panels */
1192 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1193 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9
BT		 1194 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1195 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1196 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1197 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1198 /* XAT */
1199 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1200 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1201 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1202
11576c61
MH		 1203 /* Xiroku */
1204 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1205 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1206 USB_DEVICE_ID_XIROKU_SPX) },
1207 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1208 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1209 USB_DEVICE_ID_XIROKU_MPX) },
1210 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1211 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1212 USB_DEVICE_ID_XIROKU_CSR) },
1213 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1214 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1215 USB_DEVICE_ID_XIROKU_SPX1) },
1216 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1217 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1218 USB_DEVICE_ID_XIROKU_MPX1) },
1219 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1220 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1221 USB_DEVICE_ID_XIROKU_CSR1) },
1222 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1223 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1224 USB_DEVICE_ID_XIROKU_SPX2) },
1225 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1226 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1227 USB_DEVICE_ID_XIROKU_MPX2) },
1228 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1229 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1230 USB_DEVICE_ID_XIROKU_CSR2) },
1231
82d06982
BT		 1232 /* Zytronic panels */
1233 { .driver_data = MT_CLS_SERIAL,
1234 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1235 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1236
4fa3a583
HR		 1237 /* Generic MT device */
1238 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1239 { }
1240};
1241MODULE_DEVICE_TABLE(hid, mt_devices);
1242
1243static const struct hid_usage_id mt_grabbed_usages[] = {
1244 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1245 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1246};
1247
1248static struct hid_driver mt_driver = {
1249 .name = "hid-multitouch",
1250 .id_table = mt_devices,
1251 .probe = mt_probe,
1252 .remove = mt_remove,
1253 .input_mapping = mt_input_mapping,
1254 .input_mapped = mt_input_mapped,
76f5902a 1255 .input_configured = mt_input_configured,
5519cab4
BT		 1256 .feature_mapping = mt_feature_mapping,
1257 .usage_table = mt_grabbed_usages,
1258 .event = mt_event,
55978fa9 1259 .report = mt_report,
5519cab4
BT		 1260#ifdef CONFIG_PM
1261 .reset_resume = mt_reset_resume,
dfeefd10 1262 .resume = mt_resume,
5519cab4
BT		 1263#endif
1264};
1265
1266static int __init mt_init(void)
1267{
1268 return hid_register_driver(&mt_driver);
1269}
1270
1271static void __exit mt_exit(void)
1272{
1273 hid_unregister_driver(&mt_driver);
1274}
1275
1276module_init(mt_init);
1277module_exit(mt_exit);
Linux kernel - Deliverables
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