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HID: multitouch: support for hovering devices
[mirror_ubuntu-bionic-kernel.git] / drivers / hid / hid-multitouch.c
CommitLineData
5519cab4
BT		 1/*
2 * HID driver for multitouch panels
3 *
c2ef8f21
BT		 4 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
5 * Copyright (c) 2010-2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
5519cab4 7 *
4875ac11
RN		 8 * This code is partly based on hid-egalax.c:
9 *
10 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
11 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
12 * Copyright (c) 2010 Canonical, Ltd.
13 *
f786bba4
BT		 14 * This code is partly based on hid-3m-pct.c:
15 *
16 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
17 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
18 * Copyright (c) 2010 Canonical, Ltd.
19 *
5519cab4
BT		 20 */
21
22/*
23 * This program is free software; you can redistribute it and/or modify it
24 * under the terms of the GNU General Public License as published by the Free
25 * Software Foundation; either version 2 of the License, or (at your option)
26 * any later version.
27 */
28
29#include <linux/device.h>
30#include <linux/hid.h>
31#include <linux/module.h>
32#include <linux/slab.h>
33#include <linux/usb.h>
34#include <linux/input/mt.h>
35#include "usbhid/usbhid.h"
36
37
38MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
ef2fafb3 39MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
5519cab4
BT		 40MODULE_DESCRIPTION("HID multitouch panels");
41MODULE_LICENSE("GPL");
42
43#include "hid-ids.h"
44
45/* quirks to control the device */
46#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
47#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
2d93666e 48#define MT_QUIRK_CYPRESS (1 << 2)
5572da08 49#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
a062cc5a
SC		 50#define MT_QUIRK_ALWAYS_VALID (1 << 4)
51#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
52#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
a062cc5a 53#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
77723e3b 54#define MT_QUIRK_NO_AREA (1 << 9)
28728399 55#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
9b3bb9b8 56#define MT_QUIRK_HOVERING (1 << 11)
5519cab4
BT		 57
58struct mt_slot {
349fd670 59 __s32 x, y, cx, cy, p, w, h;
5519cab4
BT		 60 __s32 contactid; /* the device ContactID assigned to this slot */
61 bool touch_state; /* is the touch valid? */
9b3bb9b8 62 bool inrange_state; /* is the finger in proximity of the sensor? */
5519cab4
BT		 63};
64
eec29e3d
BT		 65struct mt_class {
66 __s32 name; /* MT_CLS */
67 __s32 quirks;
68 __s32 sn_move; /* Signal/noise ratio for move events */
69 __s32 sn_width; /* Signal/noise ratio for width events */
70 __s32 sn_height; /* Signal/noise ratio for height events */
71 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
72 __u8 maxcontacts;
c2ef8f21 73 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 74};
75
3ac36d15
BT		 76struct mt_fields {
77 unsigned usages[HID_MAX_FIELDS];
78 unsigned int length;
79};
80
5519cab4
BT		 81struct mt_device {
82 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 83 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 84 struct mt_fields *fields; /* temporary placeholder for storing the
85 multitouch fields */
5519cab4
BT		 86 unsigned last_field_index; /* last field index of the report */
87 unsigned last_slot_field; /* the last field of a slot */
88 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
4aceed37 89 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 90 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
91 -1 if non-existent */
5519cab4
BT		 92 __u8 num_received; /* how many contacts we received */
93 __u8 num_expected; /* expected last contact index */
9498f954 94 __u8 maxcontacts;
9e87f22a
BT		 95 __u8 touches_by_report; /* how many touches are present in one report:
96 * 1 means we should use a serial protocol
97 * > 1 means hybrid (multitouch) protocol */
76f5902a 98 bool serial_maybe; /* need to check for serial protocol */
5519cab4 99 bool curvalid; /* is the current contact valid? */
76f5902a 100 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 101};
102
5519cab4 103/* classes of device behavior */
22408283
BT		 104#define MT_CLS_DEFAULT 0x0001
105
a062cc5a
SC		 106#define MT_CLS_SERIAL 0x0002
107#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 108#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
109#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
110#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
111#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
112#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 113#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
22408283
BT		 114
115/* vendor specific classes */
116#define MT_CLS_3M 0x0101
117#define MT_CLS_CYPRESS 0x0102
118#define MT_CLS_EGALAX 0x0103
1b723e8d 119#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 120#define MT_CLS_TOPSEED 0x0105
2258e863 121#define MT_CLS_PANASONIC 0x0106
77723e3b 122#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 123#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
124#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 125
9498f954 126#define MT_DEFAULT_MAXCONTACT 10
afbcb04c 127#define MT_MAX_MAXCONTACT 250
9498f954 128
2c2110e9
HR		 129#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
130#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
131
5519cab4
BT		 132/*
133 * these device-dependent functions determine what slot corresponds
134 * to a valid contact that was just read.
135 */
136
a3b5e577
BT		 137static int cypress_compute_slot(struct mt_device *td)
138{
139 if (td->curdata.contactid != 0 || td->num_received == 0)
140 return td->curdata.contactid;
141 else
142 return -1;
143}
144
b3c21d2c 145static struct mt_class mt_classes[] = {
2d93666e 146 { .name = MT_CLS_DEFAULT,
9498f954 147 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 148 { .name = MT_CLS_SERIAL,
149 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 150 { .name = MT_CLS_CONFIDENCE,
151 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 152 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
153 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
154 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 155 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
156 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
157 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 158 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 159 .quirks = MT_QUIRK_VALID_IS_INRANGE |
160 MT_QUIRK_SLOT_IS_CONTACTID,
161 .maxcontacts = 2 },
1e9cf35b 162 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 163 .quirks = MT_QUIRK_VALID_IS_INRANGE |
164 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
165 .maxcontacts = 2 },
22408283
BT		 166 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
167 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
168 MT_QUIRK_SLOT_IS_CONTACTID,
169 .maxcontacts = 2 },
b7ea95ff
AT		 170 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
171 .quirks = MT_QUIRK_VALID_IS_INRANGE |
172 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
22408283
BT		 173
174 /*
175 * vendor specific classes
176 */
177 { .name = MT_CLS_3M,
178 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
179 MT_QUIRK_SLOT_IS_CONTACTID,
180 .sn_move = 2048,
181 .sn_width = 128,
c5d40be5
HR		 182 .sn_height = 128,
183 .maxcontacts = 60,
184 },
2d93666e
BT		 185 { .name = MT_CLS_CYPRESS,
186 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
187 MT_QUIRK_CYPRESS,
188 .maxcontacts = 10 },
4875ac11
RN		 189 { .name = MT_CLS_EGALAX,
190 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 191 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 192 .sn_move = 4096,
193 .sn_pressure = 32,
194 },
1b723e8d
BT		 195 { .name = MT_CLS_EGALAX_SERIAL,
196 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
197 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 198 .sn_move = 4096,
199 .sn_pressure = 32,
200 },
847672cd
BT		 201 { .name = MT_CLS_TOPSEED,
202 .quirks = MT_QUIRK_ALWAYS_VALID,
203 .is_indirect = true,
204 .maxcontacts = 2,
205 },
2258e863
DK		 206 { .name = MT_CLS_PANASONIC,
207 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
208 .maxcontacts = 4 },
f5ff4e1e
XY		 209 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
210 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
211 MT_QUIRK_VALID_IS_INRANGE |
212 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
213 .maxcontacts = 2
214 },
215 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
216 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 217 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 218 },
043b403a 219
77723e3b
HR		 220 { .name = MT_CLS_FLATFROG,
221 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
222 MT_QUIRK_NO_AREA,
223 .sn_move = 2048,
224 .maxcontacts = 40,
225 },
2d93666e 226 { }
5519cab4
BT		 227};
228
eec29e3d
BT		 229static ssize_t mt_show_quirks(struct device *dev,
230 struct device_attribute *attr,
231 char *buf)
232{
233 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
234 struct mt_device *td = hid_get_drvdata(hdev);
235
236 return sprintf(buf, "%u\n", td->mtclass.quirks);
237}
238
239static ssize_t mt_set_quirks(struct device *dev,
240 struct device_attribute *attr,
241 const char *buf, size_t count)
242{
243 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
244 struct mt_device *td = hid_get_drvdata(hdev);
245
246 unsigned long val;
247
248 if (kstrtoul(buf, 0, &val))
249 return -EINVAL;
250
251 td->mtclass.quirks = val;
252
253 return count;
254}
255
256static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
257
258static struct attribute *sysfs_attrs[] = {
259 &dev_attr_quirks.attr,
260 NULL
261};
262
263static struct attribute_group mt_attribute_group = {
264 .attrs = sysfs_attrs
265};
266
f635bd11 267static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 268 struct hid_field *field, struct hid_usage *usage)
269{
9498f954 270 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 271 int i;
9498f954
BT		 272
273 switch (usage->hid) {
274 case HID_DG_INPUTMODE:
5519cab4 275 td->inputmode = field->report->id;
4aceed37
BT		 276 td->inputmode_index = 0; /* has to be updated below */
277
278 for (i=0; i < field->maxusage; i++) {
279 if (field->usage[i].hid == usage->hid) {
280 td->inputmode_index = i;
281 break;
282 }
283 }
284
9498f954
BT		 285 break;
286 case HID_DG_CONTACTMAX:
31ae9bdd 287 td->maxcontact_report_id = field->report->id;
9498f954 288 td->maxcontacts = field->value[0];
afbcb04c
BT		 289 if (!td->maxcontacts &&
290 field->logical_maximum <= MT_MAX_MAXCONTACT)
291 td->maxcontacts = field->logical_maximum;
eec29e3d 292 if (td->mtclass.maxcontacts)
9498f954 293 /* check if the maxcontacts is given by the class */
eec29e3d 294 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 295
296 break;
5519cab4
BT		 297 }
298}
299
300static void set_abs(struct input_dev *input, unsigned int code,
301 struct hid_field *field, int snratio)
302{
303 int fmin = field->logical_minimum;
304 int fmax = field->logical_maximum;
305 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
306 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
37cf6e6f 307 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
5519cab4
BT		 308}
309
3ac36d15 310static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 311 struct hid_input *hi)
312{
3ac36d15
BT		 313 struct mt_fields *f = td->fields;
314
315 if (f->length >= HID_MAX_FIELDS)
316 return;
317
318 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 319}
320
5519cab4
BT		 321static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
322 struct hid_field *field, struct hid_usage *usage,
323 unsigned long **bit, int *max)
324{
325 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 326 struct mt_class *cls = &td->mtclass;
c2ef8f21 327 int code;
349fd670 328 struct hid_usage *prev_usage = NULL;
4875ac11 329
658d4aed 330 /* Only map fields from TouchScreen or TouchPad collections.
2258e863
DK		 331 * We need to ignore fields that belong to other collections
332 * such as Mouse that might have the same GenericDesktop usages. */
658d4aed 333 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 334 td->mt_flags |= INPUT_MT_DIRECT;
c2ef8f21 335 else if (field->application != HID_DG_TOUCHPAD)
658d4aed
JB		 336 return 0;
337
76f5902a
HR		 338 /*
339 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 340 */
341 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 342 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
343 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 344
2261bb9f
BT		 345 /* eGalax devices provide a Digitizer.Stylus input which overrides
346 * the correct Digitizers.Finger X/Y ranges.
347 * Let's just ignore this input. */
348 if (field->physical == HID_DG_STYLUS)
349 return -1;
350
349fd670
BT		 351 if (usage->usage_index)
352 prev_usage = &field->usage[usage->usage_index - 1];
353
5519cab4
BT		 354 switch (usage->hid & HID_USAGE_PAGE) {
355
356 case HID_UP_GENDESK:
357 switch (usage->hid) {
358 case HID_GD_X:
349fd670
BT		 359 if (prev_usage && (prev_usage->hid == usage->hid)) {
360 hid_map_usage(hi, usage, bit, max,
361 EV_ABS, ABS_MT_TOOL_X);
362 set_abs(hi->input, ABS_MT_TOOL_X, field,
363 cls->sn_move);
364 } else {
365 hid_map_usage(hi, usage, bit, max,
5519cab4 366 EV_ABS, ABS_MT_POSITION_X);
349fd670
BT		 367 set_abs(hi->input, ABS_MT_POSITION_X, field,
368 cls->sn_move);
369 }
370
3ac36d15 371 mt_store_field(usage, td, hi);
ed9d5c96 372 td->last_field_index = field->index;
5519cab4
BT		 373 return 1;
374 case HID_GD_Y:
349fd670
BT		 375 if (prev_usage && (prev_usage->hid == usage->hid)) {
376 hid_map_usage(hi, usage, bit, max,
377 EV_ABS, ABS_MT_TOOL_Y);
378 set_abs(hi->input, ABS_MT_TOOL_Y, field,
379 cls->sn_move);
380 } else {
381 hid_map_usage(hi, usage, bit, max,
5519cab4 382 EV_ABS, ABS_MT_POSITION_Y);
349fd670
BT		 383 set_abs(hi->input, ABS_MT_POSITION_Y, field,
384 cls->sn_move);
385 }
386
3ac36d15 387 mt_store_field(usage, td, hi);
ed9d5c96 388 td->last_field_index = field->index;
5519cab4
BT		 389 return 1;
390 }
391 return 0;
392
393 case HID_UP_DIGITIZER:
394 switch (usage->hid) {
395 case HID_DG_INRANGE:
9b3bb9b8
BT		 396 if (cls->quirks & MT_QUIRK_HOVERING) {
397 hid_map_usage(hi, usage, bit, max,
398 EV_ABS, ABS_MT_DISTANCE);
399 input_set_abs_params(hi->input,
400 ABS_MT_DISTANCE, 0, 1, 0, 0);
401 }
3ac36d15 402 mt_store_field(usage, td, hi);
ed9d5c96 403 td->last_field_index = field->index;
5519cab4
BT		 404 return 1;
405 case HID_DG_CONFIDENCE:
3ac36d15 406 mt_store_field(usage, td, hi);
ed9d5c96 407 td->last_field_index = field->index;
5519cab4
BT		 408 return 1;
409 case HID_DG_TIPSWITCH:
410 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
411 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 412 mt_store_field(usage, td, hi);
ed9d5c96 413 td->last_field_index = field->index;
5519cab4
BT		 414 return 1;
415 case HID_DG_CONTACTID:
3ac36d15 416 mt_store_field(usage, td, hi);
2955caed 417 td->last_field_index = field->index;
9e87f22a 418 td->touches_by_report++;
5519cab4
BT		 419 return 1;
420 case HID_DG_WIDTH:
421 hid_map_usage(hi, usage, bit, max,
422 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 423 if (!(cls->quirks & MT_QUIRK_NO_AREA))
424 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
425 cls->sn_width);
3ac36d15 426 mt_store_field(usage, td, hi);
ed9d5c96 427 td->last_field_index = field->index;
5519cab4
BT		 428 return 1;
429 case HID_DG_HEIGHT:
430 hid_map_usage(hi, usage, bit, max,
431 EV_ABS, ABS_MT_TOUCH_MINOR);
77723e3b
HR		 432 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
433 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
434 cls->sn_height);
435 input_set_abs_params(hi->input,
1e648a13 436 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 437 }
3ac36d15 438 mt_store_field(usage, td, hi);
ed9d5c96 439 td->last_field_index = field->index;
5519cab4
BT		 440 return 1;
441 case HID_DG_TIPPRESSURE:
442 hid_map_usage(hi, usage, bit, max,
443 EV_ABS, ABS_MT_PRESSURE);
444 set_abs(hi->input, ABS_MT_PRESSURE, field,
445 cls->sn_pressure);
3ac36d15 446 mt_store_field(usage, td, hi);
ed9d5c96 447 td->last_field_index = field->index;
5519cab4
BT		 448 return 1;
449 case HID_DG_CONTACTCOUNT:
ed9d5c96 450 td->last_field_index = field->index;
5519cab4
BT		 451 return 1;
452 case HID_DG_CONTACTMAX:
453 /* we don't set td->last_slot_field as contactcount and
454 * contact max are global to the report */
ed9d5c96 455 td->last_field_index = field->index;
5519cab4 456 return -1;
c2ef8f21
BT		 457 case HID_DG_TOUCH:
458 /* Legacy devices use TIPSWITCH and not TOUCH.
459 * Let's just ignore this field. */
460 return -1;
65b258e9 461 }
5519cab4
BT		 462 /* let hid-input decide for the others */
463 return 0;
464
c2ef8f21
BT		 465 case HID_UP_BUTTON:
466 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
467 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
468 input_set_capability(hi->input, EV_KEY, code);
469 return 1;
470
5519cab4
BT		 471 case 0xff000000:
472 /* we do not want to map these: no input-oriented meaning */
473 return -1;
474 }
475
476 return 0;
477}
478
479static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
480 struct hid_field *field, struct hid_usage *usage,
481 unsigned long **bit, int *max)
482{
483 if (usage->type == EV_KEY || usage->type == EV_ABS)
484 set_bit(usage->type, hi->input->evbit);
485
486 return -1;
487}
488
3e1b5015 489static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 490{
eec29e3d 491 __s32 quirks = td->mtclass.quirks;
5519cab4 492
2d93666e
BT		 493 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
494 return td->curdata.contactid;
5519cab4 495
2d93666e 496 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 497 return cypress_compute_slot(td);
498
2d93666e
BT		 499 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
500 return td->num_received;
5572da08 501
4a6ee685
BT		 502 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
503 return td->curdata.contactid - 1;
504
3e1b5015 505 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 506}
507
508/*
509 * this function is called when a whole contact has been processed,
510 * so that it can assign it to a slot and store the data there
511 */
3e1b5015 512static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4 513{
20b60e6d 514 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
3e1b5015
HR		 515 int slotnum = mt_compute_slot(td, input);
516 struct mt_slot *s = &td->curdata;
28728399 517 struct input_mt *mt = input->mt;
5519cab4 518
3e1b5015
HR		 519 if (slotnum < 0 || slotnum >= td->maxcontacts)
520 return;
5519cab4 521
28728399
BT		 522 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
523 struct input_mt_slot *slot = &mt->slots[slotnum];
524 if (input_mt_is_active(slot) &&
525 input_mt_is_used(mt, slot))
526 return;
527 }
528
3e1b5015 529 input_mt_slot(input, slotnum);
5519cab4 530 input_mt_report_slot_state(input, MT_TOOL_FINGER,
9b3bb9b8
BT		 531 s->touch_state || s->inrange_state);
532 if (s->touch_state || s->inrange_state) {
533 /* this finger is in proximity of the sensor */
f786bba4
BT		 534 int wide = (s->w > s->h);
535 /* divided by two to match visual scale of touch */
536 int major = max(s->w, s->h) >> 1;
537 int minor = min(s->w, s->h) >> 1;
538
2d93666e
BT		 539 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
540 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
349fd670
BT		 541 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
542 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
9b3bb9b8
BT		 543 input_event(input, EV_ABS, ABS_MT_DISTANCE,
544 !s->touch_state);
f786bba4 545 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 546 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 547 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
548 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 549 }
5519cab4
BT		 550 }
551
3e1b5015
HR		 552 td->num_received++;
553}
554
555/*
556 * this function is called when a whole packet has been received and processed,
557 * so that it can decide what to send to the input layer.
558 */
559static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
560{
76f5902a 561 input_mt_sync_frame(input);
5519cab4
BT		 562 input_sync(input);
563 td->num_received = 0;
564}
565
5519cab4
BT		 566static int mt_event(struct hid_device *hid, struct hid_field *field,
567 struct hid_usage *usage, __s32 value)
568{
569 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 570 __s32 quirks = td->mtclass.quirks;
5519cab4 571
3e1b5015 572 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 573 switch (usage->hid) {
574 case HID_DG_INRANGE:
20b60e6d 575 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 576 td->curvalid = value;
9b3bb9b8
BT		 577 if (quirks & MT_QUIRK_HOVERING)
578 td->curdata.inrange_state = value;
5519cab4
BT		 579 break;
580 case HID_DG_TIPSWITCH:
2d93666e
BT		 581 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
582 td->curvalid = value;
5519cab4
BT		 583 td->curdata.touch_state = value;
584 break;
585 case HID_DG_CONFIDENCE:
2d93666e
BT		 586 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
587 td->curvalid = value;
5519cab4
BT		 588 break;
589 case HID_DG_CONTACTID:
590 td->curdata.contactid = value;
591 break;
592 case HID_DG_TIPPRESSURE:
593 td->curdata.p = value;
594 break;
595 case HID_GD_X:
349fd670
BT		 596 if (usage->code == ABS_MT_TOOL_X)
597 td->curdata.cx = value;
598 else
599 td->curdata.x = value;
5519cab4
BT		 600 break;
601 case HID_GD_Y:
349fd670
BT		 602 if (usage->code == ABS_MT_TOOL_Y)
603 td->curdata.cy = value;
604 else
605 td->curdata.y = value;
5519cab4
BT		 606 break;
607 case HID_DG_WIDTH:
608 td->curdata.w = value;
609 break;
610 case HID_DG_HEIGHT:
611 td->curdata.h = value;
612 break;
613 case HID_DG_CONTACTCOUNT:
614 /*
2d93666e
BT		 615 * Includes multi-packet support where subsequent
616 * packets are sent with zero contactcount.
5519cab4
BT		 617 */
618 if (value)
2d93666e 619 td->num_expected = value;
5519cab4 620 break;
c2ef8f21
BT		 621 case HID_DG_TOUCH:
622 /* do nothing */
623 break;
5519cab4
BT		 624
625 default:
626 /* fallback to the generic hidinput handling */
627 return 0;
628 }
5519cab4 629
54f4c0c3
BT		 630 if (usage->usage_index + 1 == field->report_count) {
631 /* we only take into account the last report. */
632 if (usage->hid == td->last_slot_field)
633 mt_complete_slot(td, field->hidinput->input);
634
635 if (field->index == td->last_field_index
636 && td->num_received >= td->num_expected)
637 mt_sync_frame(td, field->hidinput->input);
638 }
5519cab4 639
2d93666e 640 }
5519cab4
BT		 641
642 /* we have handled the hidinput part, now remains hiddev */
643 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
644 hid->hiddev_hid_event(hid, field, usage, value);
645
646 return 1;
647}
648
649static void mt_set_input_mode(struct hid_device *hdev)
650{
651 struct mt_device *td = hid_get_drvdata(hdev);
652 struct hid_report *r;
653 struct hid_report_enum *re;
654
655 if (td->inputmode < 0)
656 return;
657
658 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
659 r = re->report_id_hash[td->inputmode];
660 if (r) {
4aceed37 661 r->field[0]->value[td->inputmode_index] = 0x02;
5519cab4
BT		 662 usbhid_submit_report(hdev, r, USB_DIR_OUT);
663 }
664}
665
31ae9bdd
BT		 666static void mt_set_maxcontacts(struct hid_device *hdev)
667{
668 struct mt_device *td = hid_get_drvdata(hdev);
669 struct hid_report *r;
670 struct hid_report_enum *re;
671 int fieldmax, max;
672
673 if (td->maxcontact_report_id < 0)
674 return;
675
676 if (!td->mtclass.maxcontacts)
677 return;
678
679 re = &hdev->report_enum[HID_FEATURE_REPORT];
680 r = re->report_id_hash[td->maxcontact_report_id];
681 if (r) {
682 max = td->mtclass.maxcontacts;
683 fieldmax = r->field[0]->logical_maximum;
684 max = min(fieldmax, max);
685 if (r->field[0]->value[0] != max) {
686 r->field[0]->value[0] = max;
687 usbhid_submit_report(hdev, r, USB_DIR_OUT);
688 }
689 }
690}
691
4fa3a583
HR		 692static void mt_post_parse_default_settings(struct mt_device *td)
693{
694 __s32 quirks = td->mtclass.quirks;
695
696 /* unknown serial device needs special quirks */
697 if (td->touches_by_report == 1) {
698 quirks |= MT_QUIRK_ALWAYS_VALID;
699 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
700 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
701 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
702 }
703
704 td->mtclass.quirks = quirks;
705}
706
3ac36d15
BT		 707static void mt_post_parse(struct mt_device *td)
708{
709 struct mt_fields *f = td->fields;
710
711 if (td->touches_by_report > 0) {
712 int field_count_per_touch = f->length / td->touches_by_report;
713 td->last_slot_field = f->usages[field_count_per_touch - 1];
714 }
715}
716
76f5902a
HR		 717static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
718
719{
720 struct mt_device *td = hid_get_drvdata(hdev);
721 struct mt_class *cls = &td->mtclass;
722 struct input_dev *input = hi->input;
723
724 /* Only initialize slots for MT input devices */
725 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
726 return;
727
728 if (!td->maxcontacts)
729 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
730
731 mt_post_parse(td);
732 if (td->serial_maybe)
733 mt_post_parse_default_settings(td);
734
735 if (cls->is_indirect)
736 td->mt_flags |= INPUT_MT_POINTER;
737
3e1b5015
HR		 738 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
739 td->mt_flags |= INPUT_MT_DROP_UNUSED;
740
76f5902a
HR		 741 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
742
743 td->mt_flags = 0;
744}
745
5519cab4
BT		 746static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
747{
2d93666e 748 int ret, i;
5519cab4 749 struct mt_device *td;
2d93666e
BT		 750 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
751
94b5485c
HR		 752 for (i = 0; mt_classes[i].name ; i++) {
753 if (id->driver_data == mt_classes[i].name) {
754 mtclass = &(mt_classes[i]);
755 break;
2d93666e
BT		 756 }
757 }
5519cab4 758
d682bd7f
HR		 759 /* This allows the driver to correctly support devices
760 * that emit events over several HID messages.
761 */
762 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 763
9498f954 764 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 765 if (!td) {
766 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
767 return -ENOMEM;
768 }
eec29e3d 769 td->mtclass = *mtclass;
5519cab4 770 td->inputmode = -1;
31ae9bdd 771 td->maxcontact_report_id = -1;
5519cab4
BT		 772 hid_set_drvdata(hdev, td);
773
3ac36d15
BT		 774 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
775 if (!td->fields) {
776 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
777 ret = -ENOMEM;
778 goto fail;
779 }
780
76f5902a
HR		 781 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
782 td->serial_maybe = true;
783
5519cab4
BT		 784 ret = hid_parse(hdev);
785 if (ret != 0)
786 goto fail;
787
788 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 789 if (ret)
5519cab4
BT		 790 goto fail;
791
eec29e3d
BT		 792 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
793
31ae9bdd 794 mt_set_maxcontacts(hdev);
5519cab4
BT		 795 mt_set_input_mode(hdev);
796
3ac36d15
BT		 797 kfree(td->fields);
798 td->fields = NULL;
799
5519cab4
BT		 800 return 0;
801
802fail:
3ac36d15 803 kfree(td->fields);
5519cab4
BT		 804 kfree(td);
805 return ret;
806}
807
808#ifdef CONFIG_PM
809static int mt_reset_resume(struct hid_device *hdev)
810{
31ae9bdd 811 mt_set_maxcontacts(hdev);
5519cab4
BT		 812 mt_set_input_mode(hdev);
813 return 0;
814}
dfeefd10
SL		 815
816static int mt_resume(struct hid_device *hdev)
817{
818 struct usb_interface *intf;
819 struct usb_host_interface *interface;
820 struct usb_device *dev;
821
822 if (hdev->bus != BUS_USB)
823 return 0;
824
825 intf = to_usb_interface(hdev->dev.parent);
826 interface = intf->cur_altsetting;
827 dev = hid_to_usb_dev(hdev);
828
829 /* Some Elan legacy devices require SET_IDLE to be set on resume.
830 * It should be safe to send it to other devices too.
831 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
832
833 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
834 HID_REQ_SET_IDLE,
835 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
836 0, interface->desc.bInterfaceNumber,
837 NULL, 0, USB_CTRL_SET_TIMEOUT);
838
839 return 0;
840}
5519cab4
BT		 841#endif
842
843static void mt_remove(struct hid_device *hdev)
844{
845 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 846 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4
BT		 847 hid_hw_stop(hdev);
848 kfree(td);
849 hid_set_drvdata(hdev, NULL);
850}
851
852static const struct hid_device_id mt_devices[] = {
853
f786bba4
BT		 854 /* 3M panels */
855 { .driver_data = MT_CLS_3M,
2c2110e9 856 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 857 USB_DEVICE_ID_3M1968) },
858 { .driver_data = MT_CLS_3M,
2c2110e9 859 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 860 USB_DEVICE_ID_3M2256) },
c4fad877 861 { .driver_data = MT_CLS_3M,
2c2110e9 862 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 863 USB_DEVICE_ID_3M3266) },
f786bba4 864
e6aac342
BT		 865 /* ActionStar panels */
866 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 867 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 868 USB_DEVICE_ID_ACTIONSTAR_1011) },
869
b1057124
BT		 870 /* Atmel panels */
871 { .driver_data = MT_CLS_SERIAL,
2c2110e9 872 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 873 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 874 { .driver_data = MT_CLS_SERIAL,
2c2110e9 875 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 876 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 877
9ed32695
JK		 878 /* Baanto multitouch devices */
879 { .driver_data = MT_CLS_DEFAULT,
16b79bb8 880 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 881 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 882 /* Cando panels */
883 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 884 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 885 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
886 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 887 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 888 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
889 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 890 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 891 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
892 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 893 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 894 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
895
942fd422
AZ		 896 /* Chunghwa Telecom touch panels */
897 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 898 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 899 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
900
79603dc9
BT		 901 /* CVTouch panels */
902 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 903 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 904 USB_DEVICE_ID_CVTOUCH_SCREEN) },
905
a3b5e577
BT		 906 /* Cypress panel */
907 { .driver_data = MT_CLS_CYPRESS,
908 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
909 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
910
22408283 911 /* eGalax devices (resistive) */
e36f690b 912 { .driver_data = MT_CLS_EGALAX,
2c2110e9 913 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 914 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
915 { .driver_data = MT_CLS_EGALAX,
2c2110e9 916 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 917 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 918
919 /* eGalax devices (capacitive) */
e36f690b 920 { .driver_data = MT_CLS_EGALAX,
2c2110e9 921 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 922 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 923 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 924 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 925 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
926 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 927 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 928 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
929 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 930 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 931 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 932 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 933 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 934 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 935 { .driver_data = MT_CLS_EGALAX,
2c2110e9 936 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 937 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 938 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 939 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 940 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 941 { .driver_data = MT_CLS_EGALAX,
2c2110e9 942 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 943 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 944 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 945 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 946 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 947 { .driver_data = MT_CLS_EGALAX,
2c2110e9 948 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 949 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 950 { .driver_data = MT_CLS_EGALAX,
2c2110e9 951 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 952 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 953 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 954 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 955 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 956 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 957 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
958 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 959 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 960 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 961 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
3d77104a
JK		 962 { .driver_data = MT_CLS_EGALAX,
963 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
964 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
965 { .driver_data = MT_CLS_EGALAX,
966 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
967 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
968 { .driver_data = MT_CLS_EGALAX,
969 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
970 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
22408283 971
c04abeef
BT		 972 /* Elo TouchSystems IntelliTouch Plus panel */
973 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
2c2110e9 974 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 975 USB_DEVICE_ID_ELO_TS2515) },
976
77723e3b
HR		 977 /* Flatfrog Panels */
978 { .driver_data = MT_CLS_FLATFROG,
979 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
980 USB_DEVICE_ID_MULTITOUCH_3200) },
981
5572da08 982 /* GeneralTouch panel */
f5ff4e1e 983 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 984 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 985 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 986 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
987 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
988 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 989
4d5df5d1
AN		 990 /* Gametel game controller */
991 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 992 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 993 USB_DEVICE_ID_GAMETEL_MT_MODE) },
994
ee0fbd14
BT		 995 /* GoodTouch panels */
996 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 997 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 998 USB_DEVICE_ID_GOODTOUCH_000f) },
999
54580365
BT		 1000 /* Hanvon panels */
1001 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1002 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 1003 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1004
a062cc5a
SC		 1005 /* Ideacom panel */
1006 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1007 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 1008 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 1009 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1010 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 1011 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 1012
4e61f0d7
AZ		 1013 /* Ilitek dual touch panel */
1014 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1015 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 1016 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1017
4dfcced8
BT		 1018 /* IRTOUCH panels */
1019 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1020 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 1021 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1022
c50bb1a4
JB		 1023 /* LG Display panels */
1024 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1025 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 1026 USB_DEVICE_ID_LG_MULTITOUCH) },
1027
df167c4a
BT		 1028 /* Lumio panels */
1029 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1030 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 1031 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 1032 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1033 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 1034 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 1035
4a6ee685
BT		 1036 /* MosArt panels */
1037 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1038 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1039 USB_DEVICE_ID_ASUS_T91MT)},
1040 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1041 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1042 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1043 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1044 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 1045 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1046
2258e863
DK		 1047 /* Panasonic panels */
1048 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1049 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1050 USB_DEVICE_ID_PANABOARD_UBT780) },
1051 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1052 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1053 USB_DEVICE_ID_PANABOARD_UBT880) },
1054
4db703ea
AH		 1055 /* Novatek Panel */
1056 { .driver_data = MT_CLS_DEFAULT,
4380d819 1057 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1058 USB_DEVICE_ID_NOVATEK_PCT) },
1059
6ab3a9a6
JS		 1060 /* PenMount panels */
1061 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1062 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1063 USB_DEVICE_ID_PENMOUNT_PCI) },
1064
b7ea95ff
AT		 1065 /* PixArt optical touch screen */
1066 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1067 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1068 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1069 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1070 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1071 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1072 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1073 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1074 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1075
5519cab4 1076 /* PixCir-based panels */
1e9cf35b 1077 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1078 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1079 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1080 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1081 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1082 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1083
5e7ea11f
BT		 1084 /* Quanta-based panels */
1085 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1086 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1087 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1088 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1089 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1090 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1091 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1092 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1093 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1094
043b403a 1095 /* Stantum panels */
bf5af9b5 1096 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1097 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1098 USB_DEVICE_ID_MTP)},
bf5af9b5 1099 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1100 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1101 USB_DEVICE_ID_MTP_STM)},
bf5af9b5 1102 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1103 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1104 USB_DEVICE_ID_MTP_SITRONIX)},
1105
847672cd
BT		 1106 /* TopSeed panels */
1107 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1108 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1109 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1110
5e74e56d
BT		 1111 /* Touch International panels */
1112 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1113 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1114 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1115
617b64f9
BT		 1116 /* Unitec panels */
1117 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1118 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9
BT		 1119 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1120 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1121 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1122 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1123 /* XAT */
1124 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1125 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1126 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1127
11576c61
MH		 1128 /* Xiroku */
1129 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1130 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1131 USB_DEVICE_ID_XIROKU_SPX) },
1132 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1133 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1134 USB_DEVICE_ID_XIROKU_MPX) },
1135 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1136 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1137 USB_DEVICE_ID_XIROKU_CSR) },
1138 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1139 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1140 USB_DEVICE_ID_XIROKU_SPX1) },
1141 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1142 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1143 USB_DEVICE_ID_XIROKU_MPX1) },
1144 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1145 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1146 USB_DEVICE_ID_XIROKU_CSR1) },
1147 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1148 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1149 USB_DEVICE_ID_XIROKU_SPX2) },
1150 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1151 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1152 USB_DEVICE_ID_XIROKU_MPX2) },
1153 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1154 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1155 USB_DEVICE_ID_XIROKU_CSR2) },
1156
82d06982
BT		 1157 /* Zytronic panels */
1158 { .driver_data = MT_CLS_SERIAL,
1159 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1160 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1161
4fa3a583
HR		 1162 /* Generic MT device */
1163 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1164 { }
1165};
1166MODULE_DEVICE_TABLE(hid, mt_devices);
1167
1168static const struct hid_usage_id mt_grabbed_usages[] = {
1169 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1170 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1171};
1172
1173static struct hid_driver mt_driver = {
1174 .name = "hid-multitouch",
1175 .id_table = mt_devices,
1176 .probe = mt_probe,
1177 .remove = mt_remove,
1178 .input_mapping = mt_input_mapping,
1179 .input_mapped = mt_input_mapped,
76f5902a 1180 .input_configured = mt_input_configured,
5519cab4
BT		 1181 .feature_mapping = mt_feature_mapping,
1182 .usage_table = mt_grabbed_usages,
1183 .event = mt_event,
1184#ifdef CONFIG_PM
1185 .reset_resume = mt_reset_resume,
dfeefd10 1186 .resume = mt_resume,
5519cab4
BT		 1187#endif
1188};
1189
1190static int __init mt_init(void)
1191{
1192 return hid_register_driver(&mt_driver);
1193}
1194
1195static void __exit mt_exit(void)
1196{
1197 hid_unregister_driver(&mt_driver);
1198}
1199
1200module_init(mt_init);
1201module_exit(mt_exit);
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