]> git.proxmox.com Git - mirror_ubuntu-eoan-kernel.git/blame - drivers/hid/hid-multitouch.c
projects / mirror_ubuntu-eoan-kernel.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
HID: multitouch: breaks out touch handling in specific functions
[mirror_ubuntu-eoan-kernel.git] / drivers / hid / hid-multitouch.c
CommitLineData
5519cab4
BT		 1/*
2 * HID driver for multitouch panels
3 *
c2ef8f21 4 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
b0a78681 5 * Copyright (c) 2010-2013 Benjamin Tissoires <benjamin.tissoires@gmail.com>
c2ef8f21 6 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
b0a78681 7 * Copyright (c) 2012-2013 Red Hat, Inc
5519cab4 8 *
4875ac11
RN		 9 * This code is partly based on hid-egalax.c:
10 *
11 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
12 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
13 * Copyright (c) 2010 Canonical, Ltd.
14 *
f786bba4
BT		 15 * This code is partly based on hid-3m-pct.c:
16 *
17 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
18 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
19 * Copyright (c) 2010 Canonical, Ltd.
20 *
5519cab4
BT		 21 */
22
23/*
24 * This program is free software; you can redistribute it and/or modify it
25 * under the terms of the GNU General Public License as published by the Free
26 * Software Foundation; either version 2 of the License, or (at your option)
27 * any later version.
28 */
29
b0a78681
BT		 30/*
31 * This driver is regularly tested thanks to the tool hid-test[1].
32 * This tool relies on hid-replay[2] and a database of hid devices[3].
33 * Please run these regression tests before patching this module so that
34 * your patch won't break existing known devices.
35 *
36 * [1] https://github.com/bentiss/hid-test
37 * [2] https://github.com/bentiss/hid-replay
38 * [3] https://github.com/bentiss/hid-devices
39 */
40
5519cab4
BT		 41#include <linux/device.h>
42#include <linux/hid.h>
43#include <linux/module.h>
44#include <linux/slab.h>
45#include <linux/usb.h>
46#include <linux/input/mt.h>
5519cab4
BT		 47
48
49MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
ef2fafb3 50MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
5519cab4
BT		 51MODULE_DESCRIPTION("HID multitouch panels");
52MODULE_LICENSE("GPL");
53
54#include "hid-ids.h"
55
56/* quirks to control the device */
57#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
58#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
2d93666e 59#define MT_QUIRK_CYPRESS (1 << 2)
5572da08 60#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
a062cc5a
SC		 61#define MT_QUIRK_ALWAYS_VALID (1 << 4)
62#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
63#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
a062cc5a 64#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
77723e3b 65#define MT_QUIRK_NO_AREA (1 << 9)
28728399 66#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
9b3bb9b8 67#define MT_QUIRK_HOVERING (1 << 11)
c2517f62 68#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
5519cab4
BT		 69
70struct mt_slot {
349fd670 71 __s32 x, y, cx, cy, p, w, h;
5519cab4
BT		 72 __s32 contactid; /* the device ContactID assigned to this slot */
73 bool touch_state; /* is the touch valid? */
9b3bb9b8 74 bool inrange_state; /* is the finger in proximity of the sensor? */
5519cab4
BT		 75};
76
eec29e3d
BT		 77struct mt_class {
78 __s32 name; /* MT_CLS */
79 __s32 quirks;
80 __s32 sn_move; /* Signal/noise ratio for move events */
81 __s32 sn_width; /* Signal/noise ratio for width events */
82 __s32 sn_height; /* Signal/noise ratio for height events */
83 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
84 __u8 maxcontacts;
c2ef8f21 85 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 86};
87
3ac36d15
BT		 88struct mt_fields {
89 unsigned usages[HID_MAX_FIELDS];
90 unsigned int length;
91};
92
5519cab4
BT		 93struct mt_device {
94 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 95 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 96 struct mt_fields *fields; /* temporary placeholder for storing the
97 multitouch fields */
7e3cc447
BT		 98 int cc_index; /* contact count field index in the report */
99 int cc_value_index; /* contact count value index in the field */
5519cab4 100 unsigned last_slot_field; /* the last field of a slot */
55978fa9 101 unsigned mt_report_id; /* the report ID of the multitouch device */
5519cab4 102 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
4aceed37 103 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 104 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
105 -1 if non-existent */
5519cab4
BT		 106 __u8 num_received; /* how many contacts we received */
107 __u8 num_expected; /* expected last contact index */
9498f954 108 __u8 maxcontacts;
9e87f22a
BT		 109 __u8 touches_by_report; /* how many touches are present in one report:
110 * 1 means we should use a serial protocol
111 * > 1 means hybrid (multitouch) protocol */
76f5902a 112 bool serial_maybe; /* need to check for serial protocol */
5519cab4 113 bool curvalid; /* is the current contact valid? */
76f5902a 114 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 115};
116
a69c5f8b
BT		 117static void mt_post_parse_default_settings(struct mt_device *td);
118static void mt_post_parse(struct mt_device *td);
119
5519cab4 120/* classes of device behavior */
22408283
BT		 121#define MT_CLS_DEFAULT 0x0001
122
a062cc5a
SC		 123#define MT_CLS_SERIAL 0x0002
124#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 125#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
126#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
127#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
128#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
129#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 130#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
dc3e1d80 131#define MT_CLS_NSMU 0x000a
efc16787 132#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
e325905c 133#define MT_CLS_DUAL_CONTACT_ID 0x0011
22408283
BT		 134
135/* vendor specific classes */
136#define MT_CLS_3M 0x0101
137#define MT_CLS_CYPRESS 0x0102
138#define MT_CLS_EGALAX 0x0103
1b723e8d 139#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 140#define MT_CLS_TOPSEED 0x0105
2258e863 141#define MT_CLS_PANASONIC 0x0106
77723e3b 142#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 143#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
144#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 145
9498f954 146#define MT_DEFAULT_MAXCONTACT 10
afbcb04c 147#define MT_MAX_MAXCONTACT 250
9498f954 148
2c2110e9
HR		 149#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
150#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
151
5519cab4
BT		 152/*
153 * these device-dependent functions determine what slot corresponds
154 * to a valid contact that was just read.
155 */
156
a3b5e577
BT		 157static int cypress_compute_slot(struct mt_device *td)
158{
159 if (td->curdata.contactid != 0 || td->num_received == 0)
160 return td->curdata.contactid;
161 else
162 return -1;
163}
164
b3c21d2c 165static struct mt_class mt_classes[] = {
2d93666e 166 { .name = MT_CLS_DEFAULT,
dc3e1d80
BT		 167 .quirks = MT_QUIRK_ALWAYS_VALID |
168 MT_QUIRK_CONTACT_CNT_ACCURATE },
169 { .name = MT_CLS_NSMU,
9498f954 170 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 171 { .name = MT_CLS_SERIAL,
172 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 173 { .name = MT_CLS_CONFIDENCE,
174 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 175 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
176 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
177 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 178 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
179 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
180 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 181 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 182 .quirks = MT_QUIRK_VALID_IS_INRANGE |
183 MT_QUIRK_SLOT_IS_CONTACTID,
184 .maxcontacts = 2 },
1e9cf35b 185 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 186 .quirks = MT_QUIRK_VALID_IS_INRANGE |
187 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
188 .maxcontacts = 2 },
22408283
BT		 189 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
190 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
191 MT_QUIRK_SLOT_IS_CONTACTID,
192 .maxcontacts = 2 },
b7ea95ff
AT		 193 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
194 .quirks = MT_QUIRK_VALID_IS_INRANGE |
195 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
efc16787
BT		 196 { .name = MT_CLS_DUAL_CONTACT_NUMBER,
197 .quirks = MT_QUIRK_ALWAYS_VALID |
198 MT_QUIRK_CONTACT_CNT_ACCURATE |
199 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
200 .maxcontacts = 2 },
e325905c
BT		 201 { .name = MT_CLS_DUAL_CONTACT_ID,
202 .quirks = MT_QUIRK_ALWAYS_VALID |
203 MT_QUIRK_CONTACT_CNT_ACCURATE |
204 MT_QUIRK_SLOT_IS_CONTACTID,
205 .maxcontacts = 2 },
22408283
BT		 206
207 /*
208 * vendor specific classes
209 */
210 { .name = MT_CLS_3M,
211 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
212 MT_QUIRK_SLOT_IS_CONTACTID,
213 .sn_move = 2048,
214 .sn_width = 128,
c5d40be5
HR		 215 .sn_height = 128,
216 .maxcontacts = 60,
217 },
2d93666e
BT		 218 { .name = MT_CLS_CYPRESS,
219 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
220 MT_QUIRK_CYPRESS,
221 .maxcontacts = 10 },
4875ac11
RN		 222 { .name = MT_CLS_EGALAX,
223 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 224 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 225 .sn_move = 4096,
226 .sn_pressure = 32,
227 },
1b723e8d
BT		 228 { .name = MT_CLS_EGALAX_SERIAL,
229 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
230 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 231 .sn_move = 4096,
232 .sn_pressure = 32,
233 },
847672cd
BT		 234 { .name = MT_CLS_TOPSEED,
235 .quirks = MT_QUIRK_ALWAYS_VALID,
236 .is_indirect = true,
237 .maxcontacts = 2,
238 },
2258e863
DK		 239 { .name = MT_CLS_PANASONIC,
240 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
241 .maxcontacts = 4 },
f5ff4e1e
XY		 242 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
243 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
244 MT_QUIRK_VALID_IS_INRANGE |
245 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
246 .maxcontacts = 2
247 },
248 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
249 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 250 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 251 },
043b403a 252
77723e3b
HR		 253 { .name = MT_CLS_FLATFROG,
254 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
255 MT_QUIRK_NO_AREA,
256 .sn_move = 2048,
257 .maxcontacts = 40,
258 },
2d93666e 259 { }
5519cab4
BT		 260};
261
eec29e3d
BT		 262static ssize_t mt_show_quirks(struct device *dev,
263 struct device_attribute *attr,
264 char *buf)
265{
266 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
267 struct mt_device *td = hid_get_drvdata(hdev);
268
269 return sprintf(buf, "%u\n", td->mtclass.quirks);
270}
271
272static ssize_t mt_set_quirks(struct device *dev,
273 struct device_attribute *attr,
274 const char *buf, size_t count)
275{
276 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
277 struct mt_device *td = hid_get_drvdata(hdev);
278
279 unsigned long val;
280
281 if (kstrtoul(buf, 0, &val))
282 return -EINVAL;
283
284 td->mtclass.quirks = val;
285
7e3cc447 286 if (td->cc_index < 0)
c2517f62
BT		 287 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
288
eec29e3d
BT		 289 return count;
290}
291
292static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
293
294static struct attribute *sysfs_attrs[] = {
295 &dev_attr_quirks.attr,
296 NULL
297};
298
299static struct attribute_group mt_attribute_group = {
300 .attrs = sysfs_attrs
301};
302
f635bd11 303static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 304 struct hid_field *field, struct hid_usage *usage)
305{
9498f954 306 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 307 int i;
9498f954
BT		 308
309 switch (usage->hid) {
310 case HID_DG_INPUTMODE:
5519cab4 311 td->inputmode = field->report->id;
4aceed37
BT		 312 td->inputmode_index = 0; /* has to be updated below */
313
314 for (i=0; i < field->maxusage; i++) {
315 if (field->usage[i].hid == usage->hid) {
316 td->inputmode_index = i;
317 break;
318 }
319 }
320
9498f954
BT		 321 break;
322 case HID_DG_CONTACTMAX:
31ae9bdd 323 td->maxcontact_report_id = field->report->id;
9498f954 324 td->maxcontacts = field->value[0];
afbcb04c
BT		 325 if (!td->maxcontacts &&
326 field->logical_maximum <= MT_MAX_MAXCONTACT)
327 td->maxcontacts = field->logical_maximum;
eec29e3d 328 if (td->mtclass.maxcontacts)
9498f954 329 /* check if the maxcontacts is given by the class */
eec29e3d 330 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 331
332 break;
1b42fc4a
BT		 333 case 0xff0000c5:
334 if (field->report_count == 256 && field->report_size == 8) {
335 /* Win 8 devices need special quirks */
336 __s32 *quirks = &td->mtclass.quirks;
337 *quirks |= MT_QUIRK_ALWAYS_VALID;
338 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
339 *quirks |= MT_QUIRK_HOVERING;
c629dd7e 340 *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
1b42fc4a
BT		 341 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
342 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
343 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
344 }
345 break;
5519cab4
BT		 346 }
347}
348
349static void set_abs(struct input_dev *input, unsigned int code,
350 struct hid_field *field, int snratio)
351{
352 int fmin = field->logical_minimum;
353 int fmax = field->logical_maximum;
354 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
355 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
37cf6e6f 356 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
5519cab4
BT		 357}
358
3ac36d15 359static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 360 struct hid_input *hi)
361{
3ac36d15
BT		 362 struct mt_fields *f = td->fields;
363
364 if (f->length >= HID_MAX_FIELDS)
365 return;
366
367 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 368}
369
a69c5f8b 370static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
5519cab4
BT		 371 struct hid_field *field, struct hid_usage *usage,
372 unsigned long **bit, int *max)
373{
374 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 375 struct mt_class *cls = &td->mtclass;
c2ef8f21 376 int code;
349fd670 377 struct hid_usage *prev_usage = NULL;
4875ac11 378
658d4aed 379 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 380 td->mt_flags |= INPUT_MT_DIRECT;
658d4aed 381
76f5902a
HR		 382 /*
383 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 384 */
385 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 386 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
387 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 388
349fd670
BT		 389 if (usage->usage_index)
390 prev_usage = &field->usage[usage->usage_index - 1];
391
5519cab4
BT		 392 switch (usage->hid & HID_USAGE_PAGE) {
393
394 case HID_UP_GENDESK:
395 switch (usage->hid) {
396 case HID_GD_X:
349fd670
BT		 397 if (prev_usage && (prev_usage->hid == usage->hid)) {
398 hid_map_usage(hi, usage, bit, max,
399 EV_ABS, ABS_MT_TOOL_X);
400 set_abs(hi->input, ABS_MT_TOOL_X, field,
401 cls->sn_move);
402 } else {
403 hid_map_usage(hi, usage, bit, max,
5519cab4 404 EV_ABS, ABS_MT_POSITION_X);
349fd670
BT		 405 set_abs(hi->input, ABS_MT_POSITION_X, field,
406 cls->sn_move);
407 }
408
3ac36d15 409 mt_store_field(usage, td, hi);
5519cab4
BT		 410 return 1;
411 case HID_GD_Y:
349fd670
BT		 412 if (prev_usage && (prev_usage->hid == usage->hid)) {
413 hid_map_usage(hi, usage, bit, max,
414 EV_ABS, ABS_MT_TOOL_Y);
415 set_abs(hi->input, ABS_MT_TOOL_Y, field,
416 cls->sn_move);
417 } else {
418 hid_map_usage(hi, usage, bit, max,
5519cab4 419 EV_ABS, ABS_MT_POSITION_Y);
349fd670
BT		 420 set_abs(hi->input, ABS_MT_POSITION_Y, field,
421 cls->sn_move);
422 }
423
3ac36d15 424 mt_store_field(usage, td, hi);
5519cab4
BT		 425 return 1;
426 }
427 return 0;
428
429 case HID_UP_DIGITIZER:
430 switch (usage->hid) {
431 case HID_DG_INRANGE:
9b3bb9b8
BT		 432 if (cls->quirks & MT_QUIRK_HOVERING) {
433 hid_map_usage(hi, usage, bit, max,
434 EV_ABS, ABS_MT_DISTANCE);
435 input_set_abs_params(hi->input,
436 ABS_MT_DISTANCE, 0, 1, 0, 0);
437 }
3ac36d15 438 mt_store_field(usage, td, hi);
5519cab4
BT		 439 return 1;
440 case HID_DG_CONFIDENCE:
3ac36d15 441 mt_store_field(usage, td, hi);
5519cab4
BT		 442 return 1;
443 case HID_DG_TIPSWITCH:
444 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
445 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 446 mt_store_field(usage, td, hi);
5519cab4
BT		 447 return 1;
448 case HID_DG_CONTACTID:
3ac36d15 449 mt_store_field(usage, td, hi);
9e87f22a 450 td->touches_by_report++;
55978fa9 451 td->mt_report_id = field->report->id;
5519cab4
BT		 452 return 1;
453 case HID_DG_WIDTH:
454 hid_map_usage(hi, usage, bit, max,
455 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 456 if (!(cls->quirks & MT_QUIRK_NO_AREA))
457 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
458 cls->sn_width);
3ac36d15 459 mt_store_field(usage, td, hi);
5519cab4
BT		 460 return 1;
461 case HID_DG_HEIGHT:
462 hid_map_usage(hi, usage, bit, max,
463 EV_ABS, ABS_MT_TOUCH_MINOR);
77723e3b
HR		 464 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
465 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
466 cls->sn_height);
467 input_set_abs_params(hi->input,
1e648a13 468 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 469 }
3ac36d15 470 mt_store_field(usage, td, hi);
5519cab4
BT		 471 return 1;
472 case HID_DG_TIPPRESSURE:
473 hid_map_usage(hi, usage, bit, max,
474 EV_ABS, ABS_MT_PRESSURE);
475 set_abs(hi->input, ABS_MT_PRESSURE, field,
476 cls->sn_pressure);
3ac36d15 477 mt_store_field(usage, td, hi);
5519cab4
BT		 478 return 1;
479 case HID_DG_CONTACTCOUNT:
7e3cc447
BT		 480 td->cc_index = field->index;
481 td->cc_value_index = usage->usage_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 */
486 return -1;
c2ef8f21
BT		 487 case HID_DG_TOUCH:
488 /* Legacy devices use TIPSWITCH and not TOUCH.
489 * Let's just ignore this field. */
490 return -1;
65b258e9 491 }
5519cab4
BT		 492 /* let hid-input decide for the others */
493 return 0;
494
c2ef8f21
BT		 495 case HID_UP_BUTTON:
496 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
497 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
498 input_set_capability(hi->input, EV_KEY, code);
499 return 1;
500
5519cab4
BT		 501 case 0xff000000:
502 /* we do not want to map these: no input-oriented meaning */
503 return -1;
504 }
505
506 return 0;
507}
508
a69c5f8b 509static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
5519cab4
BT		 510 struct hid_field *field, struct hid_usage *usage,
511 unsigned long **bit, int *max)
512{
513 if (usage->type == EV_KEY || usage->type == EV_ABS)
514 set_bit(usage->type, hi->input->evbit);
515
516 return -1;
517}
518
3e1b5015 519static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 520{
eec29e3d 521 __s32 quirks = td->mtclass.quirks;
5519cab4 522
2d93666e
BT		 523 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
524 return td->curdata.contactid;
5519cab4 525
2d93666e 526 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 527 return cypress_compute_slot(td);
528
2d93666e
BT		 529 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
530 return td->num_received;
5572da08 531
4a6ee685
BT		 532 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
533 return td->curdata.contactid - 1;
534
3e1b5015 535 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 536}
537
538/*
539 * this function is called when a whole contact has been processed,
540 * so that it can assign it to a slot and store the data there
541 */
3e1b5015 542static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4 543{
c2517f62
BT		 544 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
545 td->num_received >= td->num_expected)
546 return;
547
20b60e6d 548 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
3e1b5015
HR		 549 int slotnum = mt_compute_slot(td, input);
550 struct mt_slot *s = &td->curdata;
28728399 551 struct input_mt *mt = input->mt;
5519cab4 552
3e1b5015
HR		 553 if (slotnum < 0 || slotnum >= td->maxcontacts)
554 return;
5519cab4 555
28728399
BT		 556 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
557 struct input_mt_slot *slot = &mt->slots[slotnum];
558 if (input_mt_is_active(slot) &&
559 input_mt_is_used(mt, slot))
560 return;
561 }
562
3e1b5015 563 input_mt_slot(input, slotnum);
5519cab4 564 input_mt_report_slot_state(input, MT_TOOL_FINGER,
9b3bb9b8
BT		 565 s->touch_state || s->inrange_state);
566 if (s->touch_state || s->inrange_state) {
567 /* this finger is in proximity of the sensor */
f786bba4
BT		 568 int wide = (s->w > s->h);
569 /* divided by two to match visual scale of touch */
570 int major = max(s->w, s->h) >> 1;
571 int minor = min(s->w, s->h) >> 1;
572
2d93666e
BT		 573 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
574 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
349fd670
BT		 575 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
576 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
9b3bb9b8
BT		 577 input_event(input, EV_ABS, ABS_MT_DISTANCE,
578 !s->touch_state);
f786bba4 579 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 580 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 581 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
582 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 583 }
5519cab4
BT		 584 }
585
3e1b5015
HR		 586 td->num_received++;
587}
588
589/*
590 * this function is called when a whole packet has been received and processed,
591 * so that it can decide what to send to the input layer.
592 */
593static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
594{
76f5902a 595 input_mt_sync_frame(input);
5519cab4
BT		 596 input_sync(input);
597 td->num_received = 0;
598}
599
a69c5f8b 600static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
5519cab4 601 struct hid_usage *usage, __s32 value)
55978fa9
BT		 602{
603 /* we will handle the hidinput part later, now remains hiddev */
604 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
605 hid->hiddev_hid_event(hid, field, usage, value);
606
607 return 1;
608}
609
610static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
611 struct hid_usage *usage, __s32 value)
5519cab4
BT		 612{
613 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 614 __s32 quirks = td->mtclass.quirks;
5519cab4 615
3e1b5015 616 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 617 switch (usage->hid) {
618 case HID_DG_INRANGE:
20b60e6d 619 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 620 td->curvalid = value;
9b3bb9b8
BT		 621 if (quirks & MT_QUIRK_HOVERING)
622 td->curdata.inrange_state = value;
5519cab4
BT		 623 break;
624 case HID_DG_TIPSWITCH:
2d93666e
BT		 625 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
626 td->curvalid = value;
5519cab4
BT		 627 td->curdata.touch_state = value;
628 break;
629 case HID_DG_CONFIDENCE:
2d93666e
BT		 630 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
631 td->curvalid = value;
5519cab4
BT		 632 break;
633 case HID_DG_CONTACTID:
634 td->curdata.contactid = value;
635 break;
636 case HID_DG_TIPPRESSURE:
637 td->curdata.p = value;
638 break;
639 case HID_GD_X:
349fd670
BT		 640 if (usage->code == ABS_MT_TOOL_X)
641 td->curdata.cx = value;
642 else
643 td->curdata.x = value;
5519cab4
BT		 644 break;
645 case HID_GD_Y:
349fd670
BT		 646 if (usage->code == ABS_MT_TOOL_Y)
647 td->curdata.cy = value;
648 else
649 td->curdata.y = value;
5519cab4
BT		 650 break;
651 case HID_DG_WIDTH:
652 td->curdata.w = value;
653 break;
654 case HID_DG_HEIGHT:
655 td->curdata.h = value;
656 break;
657 case HID_DG_CONTACTCOUNT:
5519cab4 658 break;
c2ef8f21
BT		 659 case HID_DG_TOUCH:
660 /* do nothing */
661 break;
5519cab4
BT		 662
663 default:
55978fa9 664 return;
5519cab4 665 }
5519cab4 666
54f4c0c3
BT		 667 if (usage->usage_index + 1 == field->report_count) {
668 /* we only take into account the last report. */
669 if (usage->hid == td->last_slot_field)
670 mt_complete_slot(td, field->hidinput->input);
54f4c0c3 671 }
5519cab4 672
2d93666e 673 }
55978fa9 674}
5519cab4 675
a69c5f8b 676static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
55978fa9
BT		 677{
678 struct mt_device *td = hid_get_drvdata(hid);
679 struct hid_field *field;
680 unsigned count;
681 int r, n;
5519cab4 682
c2517f62
BT		 683 /*
684 * Includes multi-packet support where subsequent
685 * packets are sent with zero contactcount.
686 */
7e3cc447
BT		 687 if (td->cc_index >= 0) {
688 struct hid_field *field = report->field[td->cc_index];
689 int value = field->value[td->cc_value_index];
690 if (value)
691 td->num_expected = value;
692 }
c2517f62 693
55978fa9
BT		 694 for (r = 0; r < report->maxfield; r++) {
695 field = report->field[r];
696 count = field->report_count;
697
698 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
699 continue;
700
701 for (n = 0; n < count; n++)
702 mt_process_mt_event(hid, field, &field->usage[n],
703 field->value[n]);
704 }
5b62efd8
BT		 705
706 if (td->num_received >= td->num_expected)
707 mt_sync_frame(td, report->field[0]->hidinput->input);
5519cab4
BT		 708}
709
a69c5f8b
BT		 710static void mt_touch_input_configured(struct hid_device *hdev,
711 struct hid_input *hi)
712{
713 struct mt_device *td = hid_get_drvdata(hdev);
714 struct mt_class *cls = &td->mtclass;
715 struct input_dev *input = hi->input;
716
717 if (!td->maxcontacts)
718 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
719
720 mt_post_parse(td);
721 if (td->serial_maybe)
722 mt_post_parse_default_settings(td);
723
724 if (cls->is_indirect)
725 td->mt_flags |= INPUT_MT_POINTER;
726
727 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
728 td->mt_flags |= INPUT_MT_DROP_UNUSED;
729
730 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
731
732 td->mt_flags = 0;
733}
734
735static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
736 struct hid_field *field, struct hid_usage *usage,
737 unsigned long **bit, int *max)
738{
739 /* Only map fields from TouchScreen or TouchPad collections.
740 * We need to ignore fields that belong to other collections
741 * such as Mouse that might have the same GenericDesktop usages. */
742 if (field->application != HID_DG_TOUCHSCREEN &&
743 field->application != HID_DG_TOUCHPAD)
744 return 0;
745
746 /* eGalax devices provide a Digitizer.Stylus input which overrides
747 * the correct Digitizers.Finger X/Y ranges.
748 * Let's just ignore this input. */
749 if (field->physical == HID_DG_STYLUS)
750 return -1;
751
752 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
753}
754
755static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
756 struct hid_field *field, struct hid_usage *usage,
757 unsigned long **bit, int *max)
758{
759 return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
760}
761
762static int mt_event(struct hid_device *hid, struct hid_field *field,
763 struct hid_usage *usage, __s32 value)
764{
765 struct mt_device *td = hid_get_drvdata(hid);
766
767 if (field->report->id == td->mt_report_id)
768 return mt_touch_event(hid, field, usage, value);
769
770 /* ignore other reports */
771 return 1;
772}
773
774static void mt_report(struct hid_device *hid, struct hid_report *report)
775{
776 struct mt_device *td = hid_get_drvdata(hid);
777
778 if (!(hid->claimed & HID_CLAIMED_INPUT))
779 return;
780
781 if (report->id == td->mt_report_id)
782 mt_touch_report(hid, report);
783}
784
5519cab4
BT		 785static void mt_set_input_mode(struct hid_device *hdev)
786{
787 struct mt_device *td = hid_get_drvdata(hdev);
788 struct hid_report *r;
789 struct hid_report_enum *re;
790
791 if (td->inputmode < 0)
792 return;
793
794 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
795 r = re->report_id_hash[td->inputmode];
796 if (r) {
4aceed37 797 r->field[0]->value[td->inputmode_index] = 0x02;
d8814272 798 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
5519cab4
BT		 799 }
800}
801
31ae9bdd
BT		 802static void mt_set_maxcontacts(struct hid_device *hdev)
803{
804 struct mt_device *td = hid_get_drvdata(hdev);
805 struct hid_report *r;
806 struct hid_report_enum *re;
807 int fieldmax, max;
808
809 if (td->maxcontact_report_id < 0)
810 return;
811
812 if (!td->mtclass.maxcontacts)
813 return;
814
815 re = &hdev->report_enum[HID_FEATURE_REPORT];
816 r = re->report_id_hash[td->maxcontact_report_id];
817 if (r) {
818 max = td->mtclass.maxcontacts;
819 fieldmax = r->field[0]->logical_maximum;
820 max = min(fieldmax, max);
821 if (r->field[0]->value[0] != max) {
822 r->field[0]->value[0] = max;
d8814272 823 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
31ae9bdd
BT		 824 }
825 }
826}
827
4fa3a583
HR		 828static void mt_post_parse_default_settings(struct mt_device *td)
829{
830 __s32 quirks = td->mtclass.quirks;
831
832 /* unknown serial device needs special quirks */
833 if (td->touches_by_report == 1) {
834 quirks |= MT_QUIRK_ALWAYS_VALID;
835 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
836 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
837 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
e0bb8f9a 838 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
4fa3a583
HR		 839 }
840
841 td->mtclass.quirks = quirks;
842}
843
3ac36d15
BT		 844static void mt_post_parse(struct mt_device *td)
845{
846 struct mt_fields *f = td->fields;
c2517f62 847 struct mt_class *cls = &td->mtclass;
3ac36d15
BT		 848
849 if (td->touches_by_report > 0) {
850 int field_count_per_touch = f->length / td->touches_by_report;
851 td->last_slot_field = f->usages[field_count_per_touch - 1];
852 }
c2517f62 853
7e3cc447 854 if (td->cc_index < 0)
c2517f62 855 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
3ac36d15
BT		 856}
857
76f5902a 858static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
76f5902a 859{
76f5902a
HR		 860 struct input_dev *input = hi->input;
861
862 /* Only initialize slots for MT input devices */
863 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
864 return;
865
a69c5f8b 866 mt_touch_input_configured(hdev, hi);
76f5902a
HR		 867}
868
5519cab4
BT		 869static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
870{
2d93666e 871 int ret, i;
5519cab4 872 struct mt_device *td;
2d93666e
BT		 873 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
874
94b5485c
HR		 875 for (i = 0; mt_classes[i].name ; i++) {
876 if (id->driver_data == mt_classes[i].name) {
877 mtclass = &(mt_classes[i]);
878 break;
2d93666e
BT		 879 }
880 }
5519cab4 881
d682bd7f
HR		 882 /* This allows the driver to correctly support devices
883 * that emit events over several HID messages.
884 */
885 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 886
9498f954 887 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 888 if (!td) {
889 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
890 return -ENOMEM;
891 }
eec29e3d 892 td->mtclass = *mtclass;
5519cab4 893 td->inputmode = -1;
31ae9bdd 894 td->maxcontact_report_id = -1;
7e3cc447 895 td->cc_index = -1;
5519cab4
BT		 896 hid_set_drvdata(hdev, td);
897
3ac36d15
BT		 898 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
899 if (!td->fields) {
900 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
901 ret = -ENOMEM;
902 goto fail;
903 }
904
76f5902a
HR		 905 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
906 td->serial_maybe = true;
907
5519cab4
BT		 908 ret = hid_parse(hdev);
909 if (ret != 0)
910 goto fail;
911
912 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 913 if (ret)
5519cab4
BT		 914 goto fail;
915
eec29e3d
BT		 916 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
917
31ae9bdd 918 mt_set_maxcontacts(hdev);
5519cab4
BT		 919 mt_set_input_mode(hdev);
920
3ac36d15
BT		 921 kfree(td->fields);
922 td->fields = NULL;
923
5519cab4
BT		 924 return 0;
925
926fail:
3ac36d15 927 kfree(td->fields);
5519cab4
BT		 928 kfree(td);
929 return ret;
930}
931
932#ifdef CONFIG_PM
933static int mt_reset_resume(struct hid_device *hdev)
934{
31ae9bdd 935 mt_set_maxcontacts(hdev);
5519cab4
BT		 936 mt_set_input_mode(hdev);
937 return 0;
938}
dfeefd10
SL		 939
940static int mt_resume(struct hid_device *hdev)
941{
dfeefd10
SL		 942 /* Some Elan legacy devices require SET_IDLE to be set on resume.
943 * It should be safe to send it to other devices too.
944 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
945
4ba25d3f 946 hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
dfeefd10
SL		 947
948 return 0;
949}
5519cab4
BT		 950#endif
951
952static void mt_remove(struct hid_device *hdev)
953{
954 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 955 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4
BT		 956 hid_hw_stop(hdev);
957 kfree(td);
958 hid_set_drvdata(hdev, NULL);
959}
960
961static const struct hid_device_id mt_devices[] = {
962
f786bba4
BT		 963 /* 3M panels */
964 { .driver_data = MT_CLS_3M,
2c2110e9 965 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 966 USB_DEVICE_ID_3M1968) },
967 { .driver_data = MT_CLS_3M,
2c2110e9 968 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 969 USB_DEVICE_ID_3M2256) },
c4fad877 970 { .driver_data = MT_CLS_3M,
2c2110e9 971 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 972 USB_DEVICE_ID_3M3266) },
f786bba4 973
e6aac342 974 /* ActionStar panels */
dc3e1d80 975 { .driver_data = MT_CLS_NSMU,
2c2110e9 976 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 977 USB_DEVICE_ID_ACTIONSTAR_1011) },
978
b1057124
BT		 979 /* Atmel panels */
980 { .driver_data = MT_CLS_SERIAL,
2c2110e9 981 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 982 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 983 { .driver_data = MT_CLS_SERIAL,
2c2110e9 984 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 985 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 986
9ed32695 987 /* Baanto multitouch devices */
dc3e1d80 988 { .driver_data = MT_CLS_NSMU,
16b79bb8 989 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 990 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 991 /* Cando panels */
992 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 993 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c 994 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
efc16787 995 { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
2c2110e9 996 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 997 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
998 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 999 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 1000 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1001 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 1002 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 1003 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1004
942fd422 1005 /* Chunghwa Telecom touch panels */
dc3e1d80 1006 { .driver_data = MT_CLS_NSMU,
2c2110e9 1007 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 1008 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1009
79603dc9 1010 /* CVTouch panels */
dc3e1d80 1011 { .driver_data = MT_CLS_NSMU,
2c2110e9 1012 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 1013 USB_DEVICE_ID_CVTOUCH_SCREEN) },
1014
a3b5e577
BT		 1015 /* Cypress panel */
1016 { .driver_data = MT_CLS_CYPRESS,
1017 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
1018 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1019
22408283 1020 /* eGalax devices (resistive) */
e36f690b 1021 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1022 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 1023 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1024 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1025 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1026 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 1027
1028 /* eGalax devices (capacitive) */
e36f690b 1029 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1030 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1031 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 1032 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1033 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 1034 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
1035 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1036 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 1037 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
1038 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1039 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1040 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 1041 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1042 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 1043 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 1044 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1045 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1046 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 1047 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1048 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1049 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 1050 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1051 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1052 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 1053 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1054 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1055 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 1056 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1057 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 1058 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 1059 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1060 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 1061 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 1062 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1063 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1064 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 1065 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 1066 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1067 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 1068 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1069 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1070 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
3d77104a
JK		 1071 { .driver_data = MT_CLS_EGALAX,
1072 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1073 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1074 { .driver_data = MT_CLS_EGALAX,
1075 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1076 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1077 { .driver_data = MT_CLS_EGALAX,
1078 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1079 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
22408283 1080
c04abeef 1081 /* Elo TouchSystems IntelliTouch Plus panel */
e325905c 1082 { .driver_data = MT_CLS_DUAL_CONTACT_ID,
2c2110e9 1083 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 1084 USB_DEVICE_ID_ELO_TS2515) },
1085
77723e3b
HR		 1086 /* Flatfrog Panels */
1087 { .driver_data = MT_CLS_FLATFROG,
1088 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1089 USB_DEVICE_ID_MULTITOUCH_3200) },
1090
5572da08 1091 /* GeneralTouch panel */
f5ff4e1e 1092 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 1093 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 1094 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 1095 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1096 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1097 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 1098
4d5df5d1 1099 /* Gametel game controller */
dc3e1d80 1100 { .driver_data = MT_CLS_NSMU,
2c2110e9 1101 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 1102 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1103
ee0fbd14 1104 /* GoodTouch panels */
dc3e1d80 1105 { .driver_data = MT_CLS_NSMU,
2c2110e9 1106 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 1107 USB_DEVICE_ID_GOODTOUCH_000f) },
1108
54580365
BT		 1109 /* Hanvon panels */
1110 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1111 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 1112 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1113
a062cc5a
SC		 1114 /* Ideacom panel */
1115 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1116 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 1117 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 1118 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1119 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 1120 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 1121
4e61f0d7 1122 /* Ilitek dual touch panel */
dc3e1d80 1123 { .driver_data = MT_CLS_NSMU,
2c2110e9 1124 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 1125 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1126
4dfcced8
BT		 1127 /* IRTOUCH panels */
1128 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1129 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 1130 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1131
c50bb1a4
JB		 1132 /* LG Display panels */
1133 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1134 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 1135 USB_DEVICE_ID_LG_MULTITOUCH) },
1136
df167c4a
BT		 1137 /* Lumio panels */
1138 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1139 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 1140 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 1141 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1142 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 1143 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 1144
4a6ee685
BT		 1145 /* MosArt panels */
1146 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1147 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1148 USB_DEVICE_ID_ASUS_T91MT)},
1149 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1150 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1151 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1152 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1153 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 1154 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1155
c2517f62 1156 /* Nexio panels */
dc3e1d80 1157 { .driver_data = MT_CLS_DEFAULT,
c2517f62
BT		 1158 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
1159 USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
1160
2258e863
DK		 1161 /* Panasonic panels */
1162 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1163 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1164 USB_DEVICE_ID_PANABOARD_UBT780) },
1165 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1166 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1167 USB_DEVICE_ID_PANABOARD_UBT880) },
1168
4db703ea 1169 /* Novatek Panel */
dc3e1d80 1170 { .driver_data = MT_CLS_NSMU,
4380d819 1171 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1172 USB_DEVICE_ID_NOVATEK_PCT) },
1173
6ab3a9a6
JS		 1174 /* PenMount panels */
1175 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1176 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1177 USB_DEVICE_ID_PENMOUNT_PCI) },
1178
b7ea95ff
AT		 1179 /* PixArt optical touch screen */
1180 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1181 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1182 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1183 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1184 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1185 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1186 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1187 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1188 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1189
5519cab4 1190 /* PixCir-based panels */
1e9cf35b 1191 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1192 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1193 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1194 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1195 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1196 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1197
5e7ea11f
BT		 1198 /* Quanta-based panels */
1199 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1200 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1201 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1202 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1203 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1204 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1205 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1206 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1207 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1208
043b403a 1209 /* Stantum panels */
bf5af9b5 1210 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1211 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1212 USB_DEVICE_ID_MTP)},
bf5af9b5 1213 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1214 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1215 USB_DEVICE_ID_MTP_STM)},
dc3e1d80 1216 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1217 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1218 USB_DEVICE_ID_MTP_SITRONIX)},
1219
847672cd
BT		 1220 /* TopSeed panels */
1221 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1222 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1223 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1224
5e74e56d 1225 /* Touch International panels */
dc3e1d80 1226 { .driver_data = MT_CLS_NSMU,
2c2110e9 1227 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1228 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1229
617b64f9 1230 /* Unitec panels */
dc3e1d80 1231 { .driver_data = MT_CLS_NSMU,
2c2110e9 1232 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1233 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
dc3e1d80 1234 { .driver_data = MT_CLS_NSMU,
2c2110e9 1235 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1236 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1237 /* XAT */
dc3e1d80 1238 { .driver_data = MT_CLS_NSMU,
2c2110e9 1239 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1240 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1241
11576c61 1242 /* Xiroku */
dc3e1d80 1243 { .driver_data = MT_CLS_NSMU,
2c2110e9 1244 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1245 USB_DEVICE_ID_XIROKU_SPX) },
dc3e1d80 1246 { .driver_data = MT_CLS_NSMU,
2c2110e9 1247 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1248 USB_DEVICE_ID_XIROKU_MPX) },
dc3e1d80 1249 { .driver_data = MT_CLS_NSMU,
2c2110e9 1250 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1251 USB_DEVICE_ID_XIROKU_CSR) },
dc3e1d80 1252 { .driver_data = MT_CLS_NSMU,
2c2110e9 1253 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1254 USB_DEVICE_ID_XIROKU_SPX1) },
dc3e1d80 1255 { .driver_data = MT_CLS_NSMU,
2c2110e9 1256 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1257 USB_DEVICE_ID_XIROKU_MPX1) },
dc3e1d80 1258 { .driver_data = MT_CLS_NSMU,
2c2110e9 1259 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1260 USB_DEVICE_ID_XIROKU_CSR1) },
dc3e1d80 1261 { .driver_data = MT_CLS_NSMU,
2c2110e9 1262 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1263 USB_DEVICE_ID_XIROKU_SPX2) },
dc3e1d80 1264 { .driver_data = MT_CLS_NSMU,
2c2110e9 1265 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1266 USB_DEVICE_ID_XIROKU_MPX2) },
dc3e1d80 1267 { .driver_data = MT_CLS_NSMU,
2c2110e9 1268 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1269 USB_DEVICE_ID_XIROKU_CSR2) },
1270
82d06982
BT		 1271 /* Zytronic panels */
1272 { .driver_data = MT_CLS_SERIAL,
1273 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1274 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1275
4fa3a583
HR		 1276 /* Generic MT device */
1277 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1278 { }
1279};
1280MODULE_DEVICE_TABLE(hid, mt_devices);
1281
1282static const struct hid_usage_id mt_grabbed_usages[] = {
1283 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1284 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1285};
1286
1287static struct hid_driver mt_driver = {
1288 .name = "hid-multitouch",
1289 .id_table = mt_devices,
1290 .probe = mt_probe,
1291 .remove = mt_remove,
1292 .input_mapping = mt_input_mapping,
1293 .input_mapped = mt_input_mapped,
76f5902a 1294 .input_configured = mt_input_configured,
5519cab4
BT		 1295 .feature_mapping = mt_feature_mapping,
1296 .usage_table = mt_grabbed_usages,
1297 .event = mt_event,
55978fa9 1298 .report = mt_report,
5519cab4
BT		 1299#ifdef CONFIG_PM
1300 .reset_resume = mt_reset_resume,
dfeefd10 1301 .resume = mt_resume,
5519cab4
BT		 1302#endif
1303};
f425458e 1304module_hid_driver(mt_driver);
Ubuntu Eoan Linux kernel mirror