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HID: Use hid_parser for pre-scanning the report descriptors
[mirror_ubuntu-zesty-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>
49a5a827 47#include <linux/string.h>
5519cab4
BT		 48
49
50MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
ef2fafb3 51MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
5519cab4
BT		 52MODULE_DESCRIPTION("HID multitouch panels");
53MODULE_LICENSE("GPL");
54
55#include "hid-ids.h"
56
57/* quirks to control the device */
58#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
59#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
2d93666e 60#define MT_QUIRK_CYPRESS (1 << 2)
5572da08 61#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
a062cc5a
SC		 62#define MT_QUIRK_ALWAYS_VALID (1 << 4)
63#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
64#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
a062cc5a 65#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
77723e3b 66#define MT_QUIRK_NO_AREA (1 << 9)
28728399 67#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
9b3bb9b8 68#define MT_QUIRK_HOVERING (1 << 11)
c2517f62 69#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
5519cab4
BT		 70
71struct mt_slot {
349fd670 72 __s32 x, y, cx, cy, p, w, h;
5519cab4
BT		 73 __s32 contactid; /* the device ContactID assigned to this slot */
74 bool touch_state; /* is the touch valid? */
9b3bb9b8 75 bool inrange_state; /* is the finger in proximity of the sensor? */
5519cab4
BT		 76};
77
eec29e3d
BT		 78struct mt_class {
79 __s32 name; /* MT_CLS */
80 __s32 quirks;
81 __s32 sn_move; /* Signal/noise ratio for move events */
82 __s32 sn_width; /* Signal/noise ratio for width events */
83 __s32 sn_height; /* Signal/noise ratio for height events */
84 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
85 __u8 maxcontacts;
c2ef8f21 86 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 87};
88
3ac36d15
BT		 89struct mt_fields {
90 unsigned usages[HID_MAX_FIELDS];
91 unsigned int length;
92};
93
5519cab4
BT		 94struct mt_device {
95 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 96 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 97 struct mt_fields *fields; /* temporary placeholder for storing the
98 multitouch fields */
7e3cc447
BT		 99 int cc_index; /* contact count field index in the report */
100 int cc_value_index; /* contact count value index in the field */
5519cab4 101 unsigned last_slot_field; /* the last field of a slot */
55978fa9 102 unsigned mt_report_id; /* the report ID of the multitouch device */
fa11aa72 103 unsigned pen_report_id; /* the report ID of the pen device */
5519cab4 104 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
4aceed37 105 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 106 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
107 -1 if non-existent */
5519cab4
BT		 108 __u8 num_received; /* how many contacts we received */
109 __u8 num_expected; /* expected last contact index */
9498f954 110 __u8 maxcontacts;
9e87f22a
BT		 111 __u8 touches_by_report; /* how many touches are present in one report:
112 * 1 means we should use a serial protocol
113 * > 1 means hybrid (multitouch) protocol */
76f5902a 114 bool serial_maybe; /* need to check for serial protocol */
5519cab4 115 bool curvalid; /* is the current contact valid? */
76f5902a 116 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 117};
118
a69c5f8b
BT		 119static void mt_post_parse_default_settings(struct mt_device *td);
120static void mt_post_parse(struct mt_device *td);
121
5519cab4 122/* classes of device behavior */
22408283
BT		 123#define MT_CLS_DEFAULT 0x0001
124
a062cc5a
SC		 125#define MT_CLS_SERIAL 0x0002
126#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 127#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
128#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
129#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
130#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
131#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 132#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
dc3e1d80 133#define MT_CLS_NSMU 0x000a
efc16787 134#define MT_CLS_DUAL_CONTACT_NUMBER 0x0010
e325905c 135#define MT_CLS_DUAL_CONTACT_ID 0x0011
22408283
BT		 136
137/* vendor specific classes */
138#define MT_CLS_3M 0x0101
139#define MT_CLS_CYPRESS 0x0102
140#define MT_CLS_EGALAX 0x0103
1b723e8d 141#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 142#define MT_CLS_TOPSEED 0x0105
2258e863 143#define MT_CLS_PANASONIC 0x0106
77723e3b 144#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 145#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
146#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 147
9498f954 148#define MT_DEFAULT_MAXCONTACT 10
afbcb04c 149#define MT_MAX_MAXCONTACT 250
9498f954 150
2c2110e9
HR		 151#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
152#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
153
5519cab4
BT		 154/*
155 * these device-dependent functions determine what slot corresponds
156 * to a valid contact that was just read.
157 */
158
a3b5e577
BT		 159static int cypress_compute_slot(struct mt_device *td)
160{
161 if (td->curdata.contactid != 0 || td->num_received == 0)
162 return td->curdata.contactid;
163 else
164 return -1;
165}
166
b3c21d2c 167static struct mt_class mt_classes[] = {
2d93666e 168 { .name = MT_CLS_DEFAULT,
dc3e1d80
BT		 169 .quirks = MT_QUIRK_ALWAYS_VALID |
170 MT_QUIRK_CONTACT_CNT_ACCURATE },
171 { .name = MT_CLS_NSMU,
9498f954 172 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 173 { .name = MT_CLS_SERIAL,
174 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 175 { .name = MT_CLS_CONFIDENCE,
176 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 177 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
178 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
179 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 180 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
181 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
182 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 183 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 184 .quirks = MT_QUIRK_VALID_IS_INRANGE |
185 MT_QUIRK_SLOT_IS_CONTACTID,
186 .maxcontacts = 2 },
1e9cf35b 187 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 188 .quirks = MT_QUIRK_VALID_IS_INRANGE |
189 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
190 .maxcontacts = 2 },
22408283
BT		 191 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
192 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
193 MT_QUIRK_SLOT_IS_CONTACTID,
194 .maxcontacts = 2 },
b7ea95ff
AT		 195 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
196 .quirks = MT_QUIRK_VALID_IS_INRANGE |
197 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
efc16787
BT		 198 { .name = MT_CLS_DUAL_CONTACT_NUMBER,
199 .quirks = MT_QUIRK_ALWAYS_VALID |
200 MT_QUIRK_CONTACT_CNT_ACCURATE |
201 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
202 .maxcontacts = 2 },
e325905c
BT		 203 { .name = MT_CLS_DUAL_CONTACT_ID,
204 .quirks = MT_QUIRK_ALWAYS_VALID |
205 MT_QUIRK_CONTACT_CNT_ACCURATE |
206 MT_QUIRK_SLOT_IS_CONTACTID,
207 .maxcontacts = 2 },
22408283
BT		 208
209 /*
210 * vendor specific classes
211 */
212 { .name = MT_CLS_3M,
213 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
214 MT_QUIRK_SLOT_IS_CONTACTID,
215 .sn_move = 2048,
216 .sn_width = 128,
c5d40be5
HR		 217 .sn_height = 128,
218 .maxcontacts = 60,
219 },
2d93666e
BT		 220 { .name = MT_CLS_CYPRESS,
221 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
222 MT_QUIRK_CYPRESS,
223 .maxcontacts = 10 },
4875ac11
RN		 224 { .name = MT_CLS_EGALAX,
225 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 226 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 227 .sn_move = 4096,
228 .sn_pressure = 32,
229 },
1b723e8d
BT		 230 { .name = MT_CLS_EGALAX_SERIAL,
231 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
232 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 233 .sn_move = 4096,
234 .sn_pressure = 32,
235 },
847672cd
BT		 236 { .name = MT_CLS_TOPSEED,
237 .quirks = MT_QUIRK_ALWAYS_VALID,
238 .is_indirect = true,
239 .maxcontacts = 2,
240 },
2258e863
DK		 241 { .name = MT_CLS_PANASONIC,
242 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
243 .maxcontacts = 4 },
f5ff4e1e
XY		 244 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
245 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
246 MT_QUIRK_VALID_IS_INRANGE |
247 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
248 .maxcontacts = 2
249 },
250 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
251 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 252 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 253 },
043b403a 254
77723e3b
HR		 255 { .name = MT_CLS_FLATFROG,
256 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
257 MT_QUIRK_NO_AREA,
258 .sn_move = 2048,
259 .maxcontacts = 40,
260 },
2d93666e 261 { }
5519cab4
BT		 262};
263
eec29e3d
BT		 264static ssize_t mt_show_quirks(struct device *dev,
265 struct device_attribute *attr,
266 char *buf)
267{
268 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
269 struct mt_device *td = hid_get_drvdata(hdev);
270
271 return sprintf(buf, "%u\n", td->mtclass.quirks);
272}
273
274static ssize_t mt_set_quirks(struct device *dev,
275 struct device_attribute *attr,
276 const char *buf, size_t count)
277{
278 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
279 struct mt_device *td = hid_get_drvdata(hdev);
280
281 unsigned long val;
282
283 if (kstrtoul(buf, 0, &val))
284 return -EINVAL;
285
286 td->mtclass.quirks = val;
287
7e3cc447 288 if (td->cc_index < 0)
c2517f62
BT		 289 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
290
eec29e3d
BT		 291 return count;
292}
293
294static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
295
296static struct attribute *sysfs_attrs[] = {
297 &dev_attr_quirks.attr,
298 NULL
299};
300
301static struct attribute_group mt_attribute_group = {
302 .attrs = sysfs_attrs
303};
304
f635bd11 305static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 306 struct hid_field *field, struct hid_usage *usage)
307{
9498f954 308 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 309 int i;
9498f954
BT		 310
311 switch (usage->hid) {
312 case HID_DG_INPUTMODE:
5519cab4 313 td->inputmode = field->report->id;
4aceed37
BT		 314 td->inputmode_index = 0; /* has to be updated below */
315
316 for (i=0; i < field->maxusage; i++) {
317 if (field->usage[i].hid == usage->hid) {
318 td->inputmode_index = i;
319 break;
320 }
321 }
322
9498f954
BT		 323 break;
324 case HID_DG_CONTACTMAX:
31ae9bdd 325 td->maxcontact_report_id = field->report->id;
9498f954 326 td->maxcontacts = field->value[0];
afbcb04c
BT		 327 if (!td->maxcontacts &&
328 field->logical_maximum <= MT_MAX_MAXCONTACT)
329 td->maxcontacts = field->logical_maximum;
eec29e3d 330 if (td->mtclass.maxcontacts)
9498f954 331 /* check if the maxcontacts is given by the class */
eec29e3d 332 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 333
334 break;
1b42fc4a
BT		 335 case 0xff0000c5:
336 if (field->report_count == 256 && field->report_size == 8) {
337 /* Win 8 devices need special quirks */
338 __s32 *quirks = &td->mtclass.quirks;
339 *quirks |= MT_QUIRK_ALWAYS_VALID;
340 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
341 *quirks |= MT_QUIRK_HOVERING;
c629dd7e 342 *quirks |= MT_QUIRK_CONTACT_CNT_ACCURATE;
1b42fc4a
BT		 343 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
344 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
345 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
346 }
347 break;
5519cab4
BT		 348 }
349}
350
351static void set_abs(struct input_dev *input, unsigned int code,
352 struct hid_field *field, int snratio)
353{
354 int fmin = field->logical_minimum;
355 int fmax = field->logical_maximum;
356 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
357 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
37cf6e6f 358 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
5519cab4
BT		 359}
360
3ac36d15 361static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 362 struct hid_input *hi)
363{
3ac36d15
BT		 364 struct mt_fields *f = td->fields;
365
366 if (f->length >= HID_MAX_FIELDS)
367 return;
368
369 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 370}
371
fa11aa72
BT		 372static int mt_pen_input_mapping(struct hid_device *hdev, struct hid_input *hi,
373 struct hid_field *field, struct hid_usage *usage,
374 unsigned long **bit, int *max)
375{
376 struct mt_device *td = hid_get_drvdata(hdev);
377
378 td->pen_report_id = field->report->id;
379
380 return 0;
381}
382
383static int mt_pen_input_mapped(struct hid_device *hdev, struct hid_input *hi,
384 struct hid_field *field, struct hid_usage *usage,
385 unsigned long **bit, int *max)
386{
387 return 0;
388}
389
390static int mt_pen_event(struct hid_device *hid, struct hid_field *field,
391 struct hid_usage *usage, __s32 value)
392{
393 /* let hid-input handle it */
394 return 0;
395}
396
397static void mt_pen_report(struct hid_device *hid, struct hid_report *report)
398{
399 struct hid_field *field = report->field[0];
400
401 input_sync(field->hidinput->input);
402}
403
404static void mt_pen_input_configured(struct hid_device *hdev,
405 struct hid_input *hi)
406{
fb4d8d98
BT		 407 /* force BTN_STYLUS to allow tablet matching in udev */
408 __set_bit(BTN_STYLUS, hi->input->keybit);
fa11aa72
BT		 409}
410
a69c5f8b 411static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
5519cab4
BT		 412 struct hid_field *field, struct hid_usage *usage,
413 unsigned long **bit, int *max)
414{
415 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 416 struct mt_class *cls = &td->mtclass;
c2ef8f21 417 int code;
349fd670 418 struct hid_usage *prev_usage = NULL;
4875ac11 419
658d4aed 420 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 421 td->mt_flags |= INPUT_MT_DIRECT;
658d4aed 422
76f5902a
HR		 423 /*
424 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 425 */
426 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 427 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
428 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 429
349fd670
BT		 430 if (usage->usage_index)
431 prev_usage = &field->usage[usage->usage_index - 1];
432
5519cab4
BT		 433 switch (usage->hid & HID_USAGE_PAGE) {
434
435 case HID_UP_GENDESK:
436 switch (usage->hid) {
437 case HID_GD_X:
349fd670
BT		 438 if (prev_usage && (prev_usage->hid == usage->hid)) {
439 hid_map_usage(hi, usage, bit, max,
440 EV_ABS, ABS_MT_TOOL_X);
441 set_abs(hi->input, ABS_MT_TOOL_X, field,
442 cls->sn_move);
443 } else {
444 hid_map_usage(hi, usage, bit, max,
5519cab4 445 EV_ABS, ABS_MT_POSITION_X);
349fd670
BT		 446 set_abs(hi->input, ABS_MT_POSITION_X, field,
447 cls->sn_move);
448 }
449
3ac36d15 450 mt_store_field(usage, td, hi);
5519cab4
BT		 451 return 1;
452 case HID_GD_Y:
349fd670
BT		 453 if (prev_usage && (prev_usage->hid == usage->hid)) {
454 hid_map_usage(hi, usage, bit, max,
455 EV_ABS, ABS_MT_TOOL_Y);
456 set_abs(hi->input, ABS_MT_TOOL_Y, field,
457 cls->sn_move);
458 } else {
459 hid_map_usage(hi, usage, bit, max,
5519cab4 460 EV_ABS, ABS_MT_POSITION_Y);
349fd670
BT		 461 set_abs(hi->input, ABS_MT_POSITION_Y, field,
462 cls->sn_move);
463 }
464
3ac36d15 465 mt_store_field(usage, td, hi);
5519cab4
BT		 466 return 1;
467 }
468 return 0;
469
470 case HID_UP_DIGITIZER:
471 switch (usage->hid) {
472 case HID_DG_INRANGE:
9b3bb9b8
BT		 473 if (cls->quirks & MT_QUIRK_HOVERING) {
474 hid_map_usage(hi, usage, bit, max,
475 EV_ABS, ABS_MT_DISTANCE);
476 input_set_abs_params(hi->input,
477 ABS_MT_DISTANCE, 0, 1, 0, 0);
478 }
3ac36d15 479 mt_store_field(usage, td, hi);
5519cab4
BT		 480 return 1;
481 case HID_DG_CONFIDENCE:
3ac36d15 482 mt_store_field(usage, td, hi);
5519cab4
BT		 483 return 1;
484 case HID_DG_TIPSWITCH:
485 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
486 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 487 mt_store_field(usage, td, hi);
5519cab4
BT		 488 return 1;
489 case HID_DG_CONTACTID:
3ac36d15 490 mt_store_field(usage, td, hi);
9e87f22a 491 td->touches_by_report++;
55978fa9 492 td->mt_report_id = field->report->id;
5519cab4
BT		 493 return 1;
494 case HID_DG_WIDTH:
495 hid_map_usage(hi, usage, bit, max,
496 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 497 if (!(cls->quirks & MT_QUIRK_NO_AREA))
498 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
499 cls->sn_width);
3ac36d15 500 mt_store_field(usage, td, hi);
5519cab4
BT		 501 return 1;
502 case HID_DG_HEIGHT:
503 hid_map_usage(hi, usage, bit, max,
504 EV_ABS, ABS_MT_TOUCH_MINOR);
77723e3b
HR		 505 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
506 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
507 cls->sn_height);
508 input_set_abs_params(hi->input,
1e648a13 509 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 510 }
3ac36d15 511 mt_store_field(usage, td, hi);
5519cab4
BT		 512 return 1;
513 case HID_DG_TIPPRESSURE:
514 hid_map_usage(hi, usage, bit, max,
515 EV_ABS, ABS_MT_PRESSURE);
516 set_abs(hi->input, ABS_MT_PRESSURE, field,
517 cls->sn_pressure);
3ac36d15 518 mt_store_field(usage, td, hi);
5519cab4
BT		 519 return 1;
520 case HID_DG_CONTACTCOUNT:
7e3cc447
BT		 521 td->cc_index = field->index;
522 td->cc_value_index = usage->usage_index;
5519cab4
BT		 523 return 1;
524 case HID_DG_CONTACTMAX:
525 /* we don't set td->last_slot_field as contactcount and
526 * contact max are global to the report */
527 return -1;
c2ef8f21
BT		 528 case HID_DG_TOUCH:
529 /* Legacy devices use TIPSWITCH and not TOUCH.
530 * Let's just ignore this field. */
531 return -1;
65b258e9 532 }
5519cab4
BT		 533 /* let hid-input decide for the others */
534 return 0;
535
c2ef8f21
BT		 536 case HID_UP_BUTTON:
537 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
538 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
539 input_set_capability(hi->input, EV_KEY, code);
540 return 1;
541
5519cab4
BT		 542 case 0xff000000:
543 /* we do not want to map these: no input-oriented meaning */
544 return -1;
545 }
546
547 return 0;
548}
549
a69c5f8b 550static int mt_touch_input_mapped(struct hid_device *hdev, struct hid_input *hi,
5519cab4
BT		 551 struct hid_field *field, struct hid_usage *usage,
552 unsigned long **bit, int *max)
553{
554 if (usage->type == EV_KEY || usage->type == EV_ABS)
555 set_bit(usage->type, hi->input->evbit);
556
557 return -1;
558}
559
3e1b5015 560static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 561{
eec29e3d 562 __s32 quirks = td->mtclass.quirks;
5519cab4 563
2d93666e
BT		 564 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
565 return td->curdata.contactid;
5519cab4 566
2d93666e 567 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 568 return cypress_compute_slot(td);
569
2d93666e
BT		 570 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
571 return td->num_received;
5572da08 572
4a6ee685
BT		 573 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
574 return td->curdata.contactid - 1;
575
3e1b5015 576 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 577}
578
579/*
580 * this function is called when a whole contact has been processed,
581 * so that it can assign it to a slot and store the data there
582 */
3e1b5015 583static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4 584{
c2517f62
BT		 585 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
586 td->num_received >= td->num_expected)
587 return;
588
20b60e6d 589 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
3e1b5015
HR		 590 int slotnum = mt_compute_slot(td, input);
591 struct mt_slot *s = &td->curdata;
28728399 592 struct input_mt *mt = input->mt;
5519cab4 593
3e1b5015
HR		 594 if (slotnum < 0 || slotnum >= td->maxcontacts)
595 return;
5519cab4 596
28728399
BT		 597 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
598 struct input_mt_slot *slot = &mt->slots[slotnum];
599 if (input_mt_is_active(slot) &&
600 input_mt_is_used(mt, slot))
601 return;
602 }
603
3e1b5015 604 input_mt_slot(input, slotnum);
5519cab4 605 input_mt_report_slot_state(input, MT_TOOL_FINGER,
9b3bb9b8
BT		 606 s->touch_state || s->inrange_state);
607 if (s->touch_state || s->inrange_state) {
608 /* this finger is in proximity of the sensor */
f786bba4
BT		 609 int wide = (s->w > s->h);
610 /* divided by two to match visual scale of touch */
611 int major = max(s->w, s->h) >> 1;
612 int minor = min(s->w, s->h) >> 1;
613
2d93666e
BT		 614 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
615 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
349fd670
BT		 616 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
617 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
9b3bb9b8
BT		 618 input_event(input, EV_ABS, ABS_MT_DISTANCE,
619 !s->touch_state);
f786bba4 620 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 621 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 622 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
623 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 624 }
5519cab4
BT		 625 }
626
3e1b5015
HR		 627 td->num_received++;
628}
629
630/*
631 * this function is called when a whole packet has been received and processed,
632 * so that it can decide what to send to the input layer.
633 */
634static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
635{
76f5902a 636 input_mt_sync_frame(input);
5519cab4
BT		 637 input_sync(input);
638 td->num_received = 0;
639}
640
a69c5f8b 641static int mt_touch_event(struct hid_device *hid, struct hid_field *field,
5519cab4 642 struct hid_usage *usage, __s32 value)
55978fa9
BT		 643{
644 /* we will handle the hidinput part later, now remains hiddev */
645 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
646 hid->hiddev_hid_event(hid, field, usage, value);
647
648 return 1;
649}
650
651static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
652 struct hid_usage *usage, __s32 value)
5519cab4
BT		 653{
654 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 655 __s32 quirks = td->mtclass.quirks;
4c437555 656 struct input_dev *input = field->hidinput->input;
5519cab4 657
3e1b5015 658 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 659 switch (usage->hid) {
660 case HID_DG_INRANGE:
20b60e6d 661 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 662 td->curvalid = value;
9b3bb9b8
BT		 663 if (quirks & MT_QUIRK_HOVERING)
664 td->curdata.inrange_state = value;
5519cab4
BT		 665 break;
666 case HID_DG_TIPSWITCH:
2d93666e
BT		 667 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
668 td->curvalid = value;
5519cab4
BT		 669 td->curdata.touch_state = value;
670 break;
671 case HID_DG_CONFIDENCE:
2d93666e
BT		 672 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
673 td->curvalid = value;
5519cab4
BT		 674 break;
675 case HID_DG_CONTACTID:
676 td->curdata.contactid = value;
677 break;
678 case HID_DG_TIPPRESSURE:
679 td->curdata.p = value;
680 break;
681 case HID_GD_X:
349fd670
BT		 682 if (usage->code == ABS_MT_TOOL_X)
683 td->curdata.cx = value;
684 else
685 td->curdata.x = value;
5519cab4
BT		 686 break;
687 case HID_GD_Y:
349fd670
BT		 688 if (usage->code == ABS_MT_TOOL_Y)
689 td->curdata.cy = value;
690 else
691 td->curdata.y = value;
5519cab4
BT		 692 break;
693 case HID_DG_WIDTH:
694 td->curdata.w = value;
695 break;
696 case HID_DG_HEIGHT:
697 td->curdata.h = value;
698 break;
699 case HID_DG_CONTACTCOUNT:
5519cab4 700 break;
c2ef8f21
BT		 701 case HID_DG_TOUCH:
702 /* do nothing */
703 break;
5519cab4
BT		 704
705 default:
4c437555
BT		 706 if (usage->type)
707 input_event(input, usage->type, usage->code,
708 value);
55978fa9 709 return;
5519cab4 710 }
5519cab4 711
54f4c0c3
BT		 712 if (usage->usage_index + 1 == field->report_count) {
713 /* we only take into account the last report. */
714 if (usage->hid == td->last_slot_field)
715 mt_complete_slot(td, field->hidinput->input);
54f4c0c3 716 }
5519cab4 717
2d93666e 718 }
55978fa9 719}
5519cab4 720
a69c5f8b 721static void mt_touch_report(struct hid_device *hid, struct hid_report *report)
55978fa9
BT		 722{
723 struct mt_device *td = hid_get_drvdata(hid);
724 struct hid_field *field;
725 unsigned count;
726 int r, n;
5519cab4 727
c2517f62
BT		 728 /*
729 * Includes multi-packet support where subsequent
730 * packets are sent with zero contactcount.
731 */
7e3cc447
BT		 732 if (td->cc_index >= 0) {
733 struct hid_field *field = report->field[td->cc_index];
734 int value = field->value[td->cc_value_index];
735 if (value)
736 td->num_expected = value;
737 }
c2517f62 738
55978fa9
BT		 739 for (r = 0; r < report->maxfield; r++) {
740 field = report->field[r];
741 count = field->report_count;
742
743 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
744 continue;
745
746 for (n = 0; n < count; n++)
747 mt_process_mt_event(hid, field, &field->usage[n],
748 field->value[n]);
749 }
5b62efd8
BT		 750
751 if (td->num_received >= td->num_expected)
752 mt_sync_frame(td, report->field[0]->hidinput->input);
5519cab4
BT		 753}
754
a69c5f8b
BT		 755static void mt_touch_input_configured(struct hid_device *hdev,
756 struct hid_input *hi)
757{
758 struct mt_device *td = hid_get_drvdata(hdev);
759 struct mt_class *cls = &td->mtclass;
760 struct input_dev *input = hi->input;
761
762 if (!td->maxcontacts)
763 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
764
765 mt_post_parse(td);
766 if (td->serial_maybe)
767 mt_post_parse_default_settings(td);
768
769 if (cls->is_indirect)
770 td->mt_flags |= INPUT_MT_POINTER;
771
772 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
773 td->mt_flags |= INPUT_MT_DROP_UNUSED;
774
775 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
776
777 td->mt_flags = 0;
778}
779
780static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
781 struct hid_field *field, struct hid_usage *usage,
782 unsigned long **bit, int *max)
783{
784 /* Only map fields from TouchScreen or TouchPad collections.
785 * We need to ignore fields that belong to other collections
786 * such as Mouse that might have the same GenericDesktop usages. */
787 if (field->application != HID_DG_TOUCHSCREEN &&
fa11aa72 788 field->application != HID_DG_PEN &&
a69c5f8b 789 field->application != HID_DG_TOUCHPAD)
6f492f28 790 return -1;
a69c5f8b 791
a69c5f8b 792 if (field->physical == HID_DG_STYLUS)
fa11aa72 793 return mt_pen_input_mapping(hdev, hi, field, usage, bit, max);
a69c5f8b
BT		 794
795 return mt_touch_input_mapping(hdev, hi, field, usage, bit, max);
796}
797
798static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
799 struct hid_field *field, struct hid_usage *usage,
800 unsigned long **bit, int *max)
801{
fa11aa72
BT		 802 if (field->physical == HID_DG_STYLUS)
803 return mt_pen_input_mapped(hdev, hi, field, usage, bit, max);
804
a69c5f8b
BT		 805 return mt_touch_input_mapped(hdev, hi, field, usage, bit, max);
806}
807
808static int mt_event(struct hid_device *hid, struct hid_field *field,
809 struct hid_usage *usage, __s32 value)
810{
811 struct mt_device *td = hid_get_drvdata(hid);
812
813 if (field->report->id == td->mt_report_id)
814 return mt_touch_event(hid, field, usage, value);
815
fa11aa72
BT		 816 if (field->report->id == td->pen_report_id)
817 return mt_pen_event(hid, field, usage, value);
818
a69c5f8b
BT		 819 /* ignore other reports */
820 return 1;
821}
822
823static void mt_report(struct hid_device *hid, struct hid_report *report)
824{
825 struct mt_device *td = hid_get_drvdata(hid);
826
827 if (!(hid->claimed & HID_CLAIMED_INPUT))
828 return;
829
830 if (report->id == td->mt_report_id)
831 mt_touch_report(hid, report);
fa11aa72
BT		 832
833 if (report->id == td->pen_report_id)
834 mt_pen_report(hid, report);
5519cab4
BT		 835}
836
837static void mt_set_input_mode(struct hid_device *hdev)
838{
839 struct mt_device *td = hid_get_drvdata(hdev);
840 struct hid_report *r;
841 struct hid_report_enum *re;
842
843 if (td->inputmode < 0)
844 return;
845
846 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
847 r = re->report_id_hash[td->inputmode];
848 if (r) {
4aceed37 849 r->field[0]->value[td->inputmode_index] = 0x02;
d8814272 850 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
5519cab4
BT		 851 }
852}
853
31ae9bdd
BT		 854static void mt_set_maxcontacts(struct hid_device *hdev)
855{
856 struct mt_device *td = hid_get_drvdata(hdev);
857 struct hid_report *r;
858 struct hid_report_enum *re;
859 int fieldmax, max;
860
861 if (td->maxcontact_report_id < 0)
862 return;
863
864 if (!td->mtclass.maxcontacts)
865 return;
866
867 re = &hdev->report_enum[HID_FEATURE_REPORT];
868 r = re->report_id_hash[td->maxcontact_report_id];
869 if (r) {
870 max = td->mtclass.maxcontacts;
871 fieldmax = r->field[0]->logical_maximum;
872 max = min(fieldmax, max);
873 if (r->field[0]->value[0] != max) {
874 r->field[0]->value[0] = max;
d8814272 875 hid_hw_request(hdev, r, HID_REQ_SET_REPORT);
31ae9bdd
BT		 876 }
877 }
878}
879
4fa3a583
HR		 880static void mt_post_parse_default_settings(struct mt_device *td)
881{
882 __s32 quirks = td->mtclass.quirks;
883
884 /* unknown serial device needs special quirks */
885 if (td->touches_by_report == 1) {
886 quirks |= MT_QUIRK_ALWAYS_VALID;
887 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
888 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
889 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
e0bb8f9a 890 quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
4fa3a583
HR		 891 }
892
893 td->mtclass.quirks = quirks;
894}
895
3ac36d15
BT		 896static void mt_post_parse(struct mt_device *td)
897{
898 struct mt_fields *f = td->fields;
c2517f62 899 struct mt_class *cls = &td->mtclass;
3ac36d15
BT		 900
901 if (td->touches_by_report > 0) {
902 int field_count_per_touch = f->length / td->touches_by_report;
903 td->last_slot_field = f->usages[field_count_per_touch - 1];
904 }
c2517f62 905
7e3cc447 906 if (td->cc_index < 0)
c2517f62 907 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
3ac36d15
BT		 908}
909
76f5902a 910static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
76f5902a
HR		 911{
912 struct mt_device *td = hid_get_drvdata(hdev);
c08d46aa
BT		 913 char *name;
914 const char *suffix = NULL;
76f5902a 915
5b6498a1
BT		 916 if (hi->report->id == td->mt_report_id)
917 mt_touch_input_configured(hdev, hi);
76f5902a 918
c08d46aa
BT		 919 if (hi->report->field[0]->physical == HID_DG_STYLUS) {
920 suffix = "Pen";
fa11aa72 921 mt_pen_input_configured(hdev, hi);
c08d46aa
BT		 922 }
923
924 if (suffix) {
925 name = devm_kzalloc(&hi->input->dev,
926 strlen(hdev->name) + strlen(suffix) + 2,
927 GFP_KERNEL);
928 if (name) {
929 sprintf(name, "%s %s", hdev->name, suffix);
930 hi->input->name = name;
931 }
932 }
76f5902a
HR		 933}
934
5519cab4
BT		 935static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
936{
2d93666e 937 int ret, i;
5519cab4 938 struct mt_device *td;
2d93666e
BT		 939 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
940
94b5485c
HR		 941 for (i = 0; mt_classes[i].name ; i++) {
942 if (id->driver_data == mt_classes[i].name) {
943 mtclass = &(mt_classes[i]);
944 break;
2d93666e
BT		 945 }
946 }
5519cab4 947
d682bd7f
HR		 948 /* This allows the driver to correctly support devices
949 * that emit events over several HID messages.
950 */
951 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 952
fa11aa72
BT		 953 /*
954 * This allows the driver to handle different input sensors
955 * that emits events through different reports on the same HID
956 * device.
957 */
958 hdev->quirks |= HID_QUIRK_MULTI_INPUT;
959 hdev->quirks |= HID_QUIRK_NO_EMPTY_INPUT;
960
c08d46aa 961 td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 962 if (!td) {
963 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
964 return -ENOMEM;
965 }
eec29e3d 966 td->mtclass = *mtclass;
5519cab4 967 td->inputmode = -1;
31ae9bdd 968 td->maxcontact_report_id = -1;
7e3cc447 969 td->cc_index = -1;
fa11aa72
BT		 970 td->mt_report_id = -1;
971 td->pen_report_id = -1;
5519cab4
BT		 972 hid_set_drvdata(hdev, td);
973
c08d46aa
BT		 974 td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),
975 GFP_KERNEL);
3ac36d15
BT		 976 if (!td->fields) {
977 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
c08d46aa 978 return -ENOMEM;
3ac36d15
BT		 979 }
980
76f5902a
HR		 981 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
982 td->serial_maybe = true;
983
5519cab4
BT		 984 ret = hid_parse(hdev);
985 if (ret != 0)
c08d46aa 986 return ret;
5519cab4
BT		 987
988 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 989 if (ret)
c08d46aa 990 return ret;
5519cab4 991
eec29e3d
BT		 992 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
993
31ae9bdd 994 mt_set_maxcontacts(hdev);
5519cab4
BT		 995 mt_set_input_mode(hdev);
996
c08d46aa
BT		 997 /* release .fields memory as it is not used anymore */
998 devm_kfree(&hdev->dev, td->fields);
3ac36d15
BT		 999 td->fields = NULL;
1000
5519cab4 1001 return 0;
5519cab4
BT		 1002}
1003
1004#ifdef CONFIG_PM
1005static int mt_reset_resume(struct hid_device *hdev)
1006{
31ae9bdd 1007 mt_set_maxcontacts(hdev);
5519cab4
BT		 1008 mt_set_input_mode(hdev);
1009 return 0;
1010}
dfeefd10
SL		 1011
1012static int mt_resume(struct hid_device *hdev)
1013{
dfeefd10
SL		 1014 /* Some Elan legacy devices require SET_IDLE to be set on resume.
1015 * It should be safe to send it to other devices too.
1016 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
1017
4ba25d3f 1018 hid_hw_idle(hdev, 0, 0, HID_REQ_SET_IDLE);
dfeefd10
SL		 1019
1020 return 0;
1021}
5519cab4
BT		 1022#endif
1023
1024static void mt_remove(struct hid_device *hdev)
1025{
eec29e3d 1026 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5939212d 1027 hid_hw_stop(hdev);
5519cab4
BT		 1028}
1029
1030static const struct hid_device_id mt_devices[] = {
1031
f786bba4
BT		 1032 /* 3M panels */
1033 { .driver_data = MT_CLS_3M,
2c2110e9 1034 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 1035 USB_DEVICE_ID_3M1968) },
1036 { .driver_data = MT_CLS_3M,
2c2110e9 1037 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 1038 USB_DEVICE_ID_3M2256) },
c4fad877 1039 { .driver_data = MT_CLS_3M,
2c2110e9 1040 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 1041 USB_DEVICE_ID_3M3266) },
f786bba4 1042
e6aac342 1043 /* ActionStar panels */
dc3e1d80 1044 { .driver_data = MT_CLS_NSMU,
2c2110e9 1045 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 1046 USB_DEVICE_ID_ACTIONSTAR_1011) },
1047
b1057124
BT		 1048 /* Atmel panels */
1049 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1050 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 1051 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 1052 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1053 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 1054 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 1055
9ed32695 1056 /* Baanto multitouch devices */
dc3e1d80 1057 { .driver_data = MT_CLS_NSMU,
16b79bb8 1058 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 1059 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 1060 /* Cando panels */
1061 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 1062 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c 1063 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
efc16787 1064 { .driver_data = MT_CLS_DUAL_CONTACT_NUMBER,
2c2110e9 1065 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 1066 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1067 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 1068 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 1069 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1070 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 1071 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 1072 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1073
942fd422 1074 /* Chunghwa Telecom touch panels */
dc3e1d80 1075 { .driver_data = MT_CLS_NSMU,
2c2110e9 1076 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 1077 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1078
79603dc9 1079 /* CVTouch panels */
dc3e1d80 1080 { .driver_data = MT_CLS_NSMU,
2c2110e9 1081 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 1082 USB_DEVICE_ID_CVTOUCH_SCREEN) },
1083
a3b5e577
BT		 1084 /* Cypress panel */
1085 { .driver_data = MT_CLS_CYPRESS,
1086 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
1087 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1088
0b7ddda6
ST		 1089 /* Data Modul easyMaxTouch */
1090 { .driver_data = MT_CLS_DEFAULT,
1091 MT_USB_DEVICE(USB_VENDOR_ID_DATA_MODUL,
1092 USB_VENDOR_ID_DATA_MODUL_EASYMAXTOUCH) },
1093
22408283 1094 /* eGalax devices (resistive) */
e36f690b 1095 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1096 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 1097 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1098 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1099 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1100 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 1101
1102 /* eGalax devices (capacitive) */
fd1d1525 1103 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1104 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1105 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
aa672da1 1106 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1107 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
aa672da1 1108 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 1109 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1110 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1111 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 1112 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1113 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 1114 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
aa672da1 1115 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1116 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
aa672da1 1117 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
fd1d1525 1118 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1119 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1120 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
aa672da1
AS		 1121 { .driver_data = MT_CLS_EGALAX,
1122 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1123 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
e36f690b 1124 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1125 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1126 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 1127 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1128 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1129 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
aa672da1
AS		 1130 { .driver_data = MT_CLS_EGALAX,
1131 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1132 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
1133 { .driver_data = MT_CLS_EGALAX,
1134 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1135 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
66f06127 1136 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1137 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 1138 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 1139 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1140 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 1141 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 1142 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1143 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1144 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 1145 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 1146 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1147 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 1148 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1149 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1150 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
22408283 1151
c04abeef 1152 /* Elo TouchSystems IntelliTouch Plus panel */
e325905c 1153 { .driver_data = MT_CLS_DUAL_CONTACT_ID,
2c2110e9 1154 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 1155 USB_DEVICE_ID_ELO_TS2515) },
1156
77723e3b
HR		 1157 /* Flatfrog Panels */
1158 { .driver_data = MT_CLS_FLATFROG,
1159 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1160 USB_DEVICE_ID_MULTITOUCH_3200) },
1161
5572da08 1162 /* GeneralTouch panel */
f5ff4e1e 1163 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 1164 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 1165 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 1166 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1167 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1168 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 1169
4d5df5d1 1170 /* Gametel game controller */
dc3e1d80 1171 { .driver_data = MT_CLS_NSMU,
2c2110e9 1172 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 1173 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1174
ee0fbd14 1175 /* GoodTouch panels */
dc3e1d80 1176 { .driver_data = MT_CLS_NSMU,
2c2110e9 1177 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 1178 USB_DEVICE_ID_GOODTOUCH_000f) },
1179
54580365
BT		 1180 /* Hanvon panels */
1181 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1182 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 1183 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1184
a062cc5a
SC		 1185 /* Ideacom panel */
1186 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1187 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 1188 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 1189 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1190 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 1191 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 1192
4e61f0d7 1193 /* Ilitek dual touch panel */
dc3e1d80 1194 { .driver_data = MT_CLS_NSMU,
2c2110e9 1195 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 1196 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1197
4dfcced8
BT		 1198 /* IRTOUCH panels */
1199 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1200 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 1201 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1202
c50bb1a4
JB		 1203 /* LG Display panels */
1204 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1205 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 1206 USB_DEVICE_ID_LG_MULTITOUCH) },
1207
df167c4a
BT		 1208 /* Lumio panels */
1209 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1210 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 1211 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 1212 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1213 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 1214 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 1215
4a6ee685
BT		 1216 /* MosArt panels */
1217 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1218 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1219 USB_DEVICE_ID_ASUS_T91MT)},
1220 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1221 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1222 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1223 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1224 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 1225 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1226
c2517f62 1227 /* Nexio panels */
dc3e1d80 1228 { .driver_data = MT_CLS_DEFAULT,
c2517f62
BT		 1229 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
1230 USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
1231
2258e863
DK		 1232 /* Panasonic panels */
1233 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1234 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1235 USB_DEVICE_ID_PANABOARD_UBT780) },
1236 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1237 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1238 USB_DEVICE_ID_PANABOARD_UBT880) },
1239
4db703ea 1240 /* Novatek Panel */
dc3e1d80 1241 { .driver_data = MT_CLS_NSMU,
4380d819 1242 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1243 USB_DEVICE_ID_NOVATEK_PCT) },
1244
6ab3a9a6
JS		 1245 /* PenMount panels */
1246 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1247 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1248 USB_DEVICE_ID_PENMOUNT_PCI) },
1249
b7ea95ff
AT		 1250 /* PixArt optical touch screen */
1251 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1252 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1253 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1254 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1255 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1256 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1257 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1258 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1259 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1260
5519cab4 1261 /* PixCir-based panels */
1e9cf35b 1262 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1263 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1264 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1265 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1266 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1267 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1268
5e7ea11f
BT		 1269 /* Quanta-based panels */
1270 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1271 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1272 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1273 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1274 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1275 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1276 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1277 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1278 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1279
043b403a 1280 /* Stantum panels */
bf5af9b5 1281 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1282 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1283 USB_DEVICE_ID_MTP)},
bf5af9b5 1284 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1285 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1286 USB_DEVICE_ID_MTP_STM)},
dc3e1d80 1287 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1288 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1289 USB_DEVICE_ID_MTP_SITRONIX)},
1290
847672cd
BT		 1291 /* TopSeed panels */
1292 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1293 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1294 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1295
5e74e56d 1296 /* Touch International panels */
dc3e1d80 1297 { .driver_data = MT_CLS_NSMU,
2c2110e9 1298 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1299 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1300
617b64f9 1301 /* Unitec panels */
dc3e1d80 1302 { .driver_data = MT_CLS_NSMU,
2c2110e9 1303 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1304 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
dc3e1d80 1305 { .driver_data = MT_CLS_NSMU,
2c2110e9 1306 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1307 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1308 /* XAT */
dc3e1d80 1309 { .driver_data = MT_CLS_NSMU,
2c2110e9 1310 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1311 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1312
11576c61 1313 /* Xiroku */
dc3e1d80 1314 { .driver_data = MT_CLS_NSMU,
2c2110e9 1315 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1316 USB_DEVICE_ID_XIROKU_SPX) },
dc3e1d80 1317 { .driver_data = MT_CLS_NSMU,
2c2110e9 1318 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1319 USB_DEVICE_ID_XIROKU_MPX) },
dc3e1d80 1320 { .driver_data = MT_CLS_NSMU,
2c2110e9 1321 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1322 USB_DEVICE_ID_XIROKU_CSR) },
dc3e1d80 1323 { .driver_data = MT_CLS_NSMU,
2c2110e9 1324 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1325 USB_DEVICE_ID_XIROKU_SPX1) },
dc3e1d80 1326 { .driver_data = MT_CLS_NSMU,
2c2110e9 1327 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1328 USB_DEVICE_ID_XIROKU_MPX1) },
dc3e1d80 1329 { .driver_data = MT_CLS_NSMU,
2c2110e9 1330 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1331 USB_DEVICE_ID_XIROKU_CSR1) },
dc3e1d80 1332 { .driver_data = MT_CLS_NSMU,
2c2110e9 1333 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1334 USB_DEVICE_ID_XIROKU_SPX2) },
dc3e1d80 1335 { .driver_data = MT_CLS_NSMU,
2c2110e9 1336 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61 1337 USB_DEVICE_ID_XIROKU_MPX2) },
dc3e1d80 1338 { .driver_data = MT_CLS_NSMU,
2c2110e9 1339 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1340 USB_DEVICE_ID_XIROKU_CSR2) },
1341
82d06982
BT		 1342 /* Zytronic panels */
1343 { .driver_data = MT_CLS_SERIAL,
1344 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1345 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1346
4fa3a583
HR		 1347 /* Generic MT device */
1348 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1349 { }
1350};
1351MODULE_DEVICE_TABLE(hid, mt_devices);
1352
1353static const struct hid_usage_id mt_grabbed_usages[] = {
1354 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1355 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1356};
1357
1358static struct hid_driver mt_driver = {
1359 .name = "hid-multitouch",
1360 .id_table = mt_devices,
1361 .probe = mt_probe,
1362 .remove = mt_remove,
1363 .input_mapping = mt_input_mapping,
1364 .input_mapped = mt_input_mapped,
76f5902a 1365 .input_configured = mt_input_configured,
5519cab4
BT		 1366 .feature_mapping = mt_feature_mapping,
1367 .usage_table = mt_grabbed_usages,
1368 .event = mt_event,
55978fa9 1369 .report = mt_report,
5519cab4
BT		 1370#ifdef CONFIG_PM
1371 .reset_resume = mt_reset_resume,
dfeefd10 1372 .resume = mt_resume,
5519cab4
BT		 1373#endif
1374};
f425458e 1375module_hid_driver(mt_driver);
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