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HID: multitouch: add support for Nexio 42" panel
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-multitouch.c
CommitLineData
5519cab4
BT		 1/*
2 * HID driver for multitouch panels
3 *
c2ef8f21
BT		 4 * Copyright (c) 2010-2012 Stephane Chatty <chatty@enac.fr>
5 * Copyright (c) 2010-2012 Benjamin Tissoires <benjamin.tissoires@gmail.com>
6 * Copyright (c) 2010-2012 Ecole Nationale de l'Aviation Civile, France
5519cab4 7 *
4875ac11
RN		 8 * This code is partly based on hid-egalax.c:
9 *
10 * Copyright (c) 2010 Stephane Chatty <chatty@enac.fr>
11 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
12 * Copyright (c) 2010 Canonical, Ltd.
13 *
f786bba4
BT		 14 * This code is partly based on hid-3m-pct.c:
15 *
16 * Copyright (c) 2009-2010 Stephane Chatty <chatty@enac.fr>
17 * Copyright (c) 2010 Henrik Rydberg <rydberg@euromail.se>
18 * Copyright (c) 2010 Canonical, Ltd.
19 *
5519cab4
BT		 20 */
21
22/*
23 * This program is free software; you can redistribute it and/or modify it
24 * under the terms of the GNU General Public License as published by the Free
25 * Software Foundation; either version 2 of the License, or (at your option)
26 * any later version.
27 */
28
29#include <linux/device.h>
30#include <linux/hid.h>
31#include <linux/module.h>
32#include <linux/slab.h>
33#include <linux/usb.h>
34#include <linux/input/mt.h>
35#include "usbhid/usbhid.h"
36
37
38MODULE_AUTHOR("Stephane Chatty <chatty@enac.fr>");
ef2fafb3 39MODULE_AUTHOR("Benjamin Tissoires <benjamin.tissoires@gmail.com>");
5519cab4
BT		 40MODULE_DESCRIPTION("HID multitouch panels");
41MODULE_LICENSE("GPL");
42
43#include "hid-ids.h"
44
45/* quirks to control the device */
46#define MT_QUIRK_NOT_SEEN_MEANS_UP (1 << 0)
47#define MT_QUIRK_SLOT_IS_CONTACTID (1 << 1)
2d93666e 48#define MT_QUIRK_CYPRESS (1 << 2)
5572da08 49#define MT_QUIRK_SLOT_IS_CONTACTNUMBER (1 << 3)
a062cc5a
SC		 50#define MT_QUIRK_ALWAYS_VALID (1 << 4)
51#define MT_QUIRK_VALID_IS_INRANGE (1 << 5)
52#define MT_QUIRK_VALID_IS_CONFIDENCE (1 << 6)
a062cc5a 53#define MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE (1 << 8)
77723e3b 54#define MT_QUIRK_NO_AREA (1 << 9)
28728399 55#define MT_QUIRK_IGNORE_DUPLICATES (1 << 10)
9b3bb9b8 56#define MT_QUIRK_HOVERING (1 << 11)
c2517f62 57#define MT_QUIRK_CONTACT_CNT_ACCURATE (1 << 12)
5519cab4
BT		 58
59struct mt_slot {
349fd670 60 __s32 x, y, cx, cy, p, w, h;
5519cab4
BT		 61 __s32 contactid; /* the device ContactID assigned to this slot */
62 bool touch_state; /* is the touch valid? */
9b3bb9b8 63 bool inrange_state; /* is the finger in proximity of the sensor? */
5519cab4
BT		 64};
65
eec29e3d
BT		 66struct mt_class {
67 __s32 name; /* MT_CLS */
68 __s32 quirks;
69 __s32 sn_move; /* Signal/noise ratio for move events */
70 __s32 sn_width; /* Signal/noise ratio for width events */
71 __s32 sn_height; /* Signal/noise ratio for height events */
72 __s32 sn_pressure; /* Signal/noise ratio for pressure events */
73 __u8 maxcontacts;
c2ef8f21 74 bool is_indirect; /* true for touchpads */
eec29e3d
BT		 75};
76
3ac36d15
BT		 77struct mt_fields {
78 unsigned usages[HID_MAX_FIELDS];
79 unsigned int length;
80};
81
5519cab4
BT		 82struct mt_device {
83 struct mt_slot curdata; /* placeholder of incoming data */
eec29e3d 84 struct mt_class mtclass; /* our mt device class */
3ac36d15
BT		 85 struct mt_fields *fields; /* temporary placeholder for storing the
86 multitouch fields */
c2517f62 87 __s32 *contactcount; /* contact count value in the report */
5519cab4
BT		 88 unsigned last_field_index; /* last field index of the report */
89 unsigned last_slot_field; /* the last field of a slot */
55978fa9 90 unsigned mt_report_id; /* the report ID of the multitouch device */
5519cab4 91 __s8 inputmode; /* InputMode HID feature, -1 if non-existent */
4aceed37 92 __s8 inputmode_index; /* InputMode HID feature index in the report */
31ae9bdd
BT		 93 __s8 maxcontact_report_id; /* Maximum Contact Number HID feature,
94 -1 if non-existent */
5519cab4
BT		 95 __u8 num_received; /* how many contacts we received */
96 __u8 num_expected; /* expected last contact index */
9498f954 97 __u8 maxcontacts;
9e87f22a
BT		 98 __u8 touches_by_report; /* how many touches are present in one report:
99 * 1 means we should use a serial protocol
100 * > 1 means hybrid (multitouch) protocol */
76f5902a 101 bool serial_maybe; /* need to check for serial protocol */
5519cab4 102 bool curvalid; /* is the current contact valid? */
76f5902a 103 unsigned mt_flags; /* flags to pass to input-mt */
5519cab4
BT		 104};
105
5519cab4 106/* classes of device behavior */
22408283
BT		 107#define MT_CLS_DEFAULT 0x0001
108
a062cc5a
SC		 109#define MT_CLS_SERIAL 0x0002
110#define MT_CLS_CONFIDENCE 0x0003
5e7ea11f
BT		 111#define MT_CLS_CONFIDENCE_CONTACT_ID 0x0004
112#define MT_CLS_CONFIDENCE_MINUS_ONE 0x0005
113#define MT_CLS_DUAL_INRANGE_CONTACTID 0x0006
114#define MT_CLS_DUAL_INRANGE_CONTACTNUMBER 0x0007
115#define MT_CLS_DUAL_NSMU_CONTACTID 0x0008
b7ea95ff 116#define MT_CLS_INRANGE_CONTACTNUMBER 0x0009
c2517f62 117#define MT_CLS_ALWAYS_TRUE 0x000a
22408283
BT		 118
119/* vendor specific classes */
120#define MT_CLS_3M 0x0101
121#define MT_CLS_CYPRESS 0x0102
122#define MT_CLS_EGALAX 0x0103
1b723e8d 123#define MT_CLS_EGALAX_SERIAL 0x0104
847672cd 124#define MT_CLS_TOPSEED 0x0105
2258e863 125#define MT_CLS_PANASONIC 0x0106
77723e3b 126#define MT_CLS_FLATFROG 0x0107
cdcd3ac4
JK		 127#define MT_CLS_GENERALTOUCH_TWOFINGERS 0x0108
128#define MT_CLS_GENERALTOUCH_PWT_TENFINGERS 0x0109
5519cab4 129
9498f954 130#define MT_DEFAULT_MAXCONTACT 10
afbcb04c 131#define MT_MAX_MAXCONTACT 250
9498f954 132
2c2110e9
HR		 133#define MT_USB_DEVICE(v, p) HID_DEVICE(BUS_USB, HID_GROUP_MULTITOUCH, v, p)
134#define MT_BT_DEVICE(v, p) HID_DEVICE(BUS_BLUETOOTH, HID_GROUP_MULTITOUCH, v, p)
135
5519cab4
BT		 136/*
137 * these device-dependent functions determine what slot corresponds
138 * to a valid contact that was just read.
139 */
140
a3b5e577
BT		 141static int cypress_compute_slot(struct mt_device *td)
142{
143 if (td->curdata.contactid != 0 || td->num_received == 0)
144 return td->curdata.contactid;
145 else
146 return -1;
147}
148
b3c21d2c 149static struct mt_class mt_classes[] = {
2d93666e 150 { .name = MT_CLS_DEFAULT,
9498f954 151 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP },
a062cc5a
SC		 152 { .name = MT_CLS_SERIAL,
153 .quirks = MT_QUIRK_ALWAYS_VALID},
22408283
BT		 154 { .name = MT_CLS_CONFIDENCE,
155 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE },
5e7ea11f
BT		 156 { .name = MT_CLS_CONFIDENCE_CONTACT_ID,
157 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
158 MT_QUIRK_SLOT_IS_CONTACTID },
22408283
BT		 159 { .name = MT_CLS_CONFIDENCE_MINUS_ONE,
160 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
161 MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE },
1e9cf35b 162 { .name = MT_CLS_DUAL_INRANGE_CONTACTID,
2d93666e
BT		 163 .quirks = MT_QUIRK_VALID_IS_INRANGE |
164 MT_QUIRK_SLOT_IS_CONTACTID,
165 .maxcontacts = 2 },
1e9cf35b 166 { .name = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2d93666e
BT		 167 .quirks = MT_QUIRK_VALID_IS_INRANGE |
168 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
169 .maxcontacts = 2 },
22408283
BT		 170 { .name = MT_CLS_DUAL_NSMU_CONTACTID,
171 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
172 MT_QUIRK_SLOT_IS_CONTACTID,
173 .maxcontacts = 2 },
b7ea95ff
AT		 174 { .name = MT_CLS_INRANGE_CONTACTNUMBER,
175 .quirks = MT_QUIRK_VALID_IS_INRANGE |
176 MT_QUIRK_SLOT_IS_CONTACTNUMBER },
c2517f62
BT		 177 { .name = MT_CLS_ALWAYS_TRUE,
178 .quirks = MT_QUIRK_ALWAYS_VALID |
179 MT_QUIRK_CONTACT_CNT_ACCURATE },
22408283
BT		 180
181 /*
182 * vendor specific classes
183 */
184 { .name = MT_CLS_3M,
185 .quirks = MT_QUIRK_VALID_IS_CONFIDENCE |
186 MT_QUIRK_SLOT_IS_CONTACTID,
187 .sn_move = 2048,
188 .sn_width = 128,
c5d40be5
HR		 189 .sn_height = 128,
190 .maxcontacts = 60,
191 },
2d93666e
BT		 192 { .name = MT_CLS_CYPRESS,
193 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
194 MT_QUIRK_CYPRESS,
195 .maxcontacts = 10 },
4875ac11
RN		 196 { .name = MT_CLS_EGALAX,
197 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
2261bb9f 198 MT_QUIRK_VALID_IS_INRANGE,
4875ac11
RN		 199 .sn_move = 4096,
200 .sn_pressure = 32,
201 },
1b723e8d
BT		 202 { .name = MT_CLS_EGALAX_SERIAL,
203 .quirks = MT_QUIRK_SLOT_IS_CONTACTID |
204 MT_QUIRK_ALWAYS_VALID,
4875ac11
RN		 205 .sn_move = 4096,
206 .sn_pressure = 32,
207 },
847672cd
BT		 208 { .name = MT_CLS_TOPSEED,
209 .quirks = MT_QUIRK_ALWAYS_VALID,
210 .is_indirect = true,
211 .maxcontacts = 2,
212 },
2258e863
DK		 213 { .name = MT_CLS_PANASONIC,
214 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP,
215 .maxcontacts = 4 },
f5ff4e1e
XY		 216 { .name = MT_CLS_GENERALTOUCH_TWOFINGERS,
217 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
218 MT_QUIRK_VALID_IS_INRANGE |
219 MT_QUIRK_SLOT_IS_CONTACTNUMBER,
220 .maxcontacts = 2
221 },
222 { .name = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
223 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
58ad34bf 224 MT_QUIRK_SLOT_IS_CONTACTNUMBER
f5ff4e1e 225 },
043b403a 226
77723e3b
HR		 227 { .name = MT_CLS_FLATFROG,
228 .quirks = MT_QUIRK_NOT_SEEN_MEANS_UP |
229 MT_QUIRK_NO_AREA,
230 .sn_move = 2048,
231 .maxcontacts = 40,
232 },
2d93666e 233 { }
5519cab4
BT		 234};
235
eec29e3d
BT		 236static ssize_t mt_show_quirks(struct device *dev,
237 struct device_attribute *attr,
238 char *buf)
239{
240 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
241 struct mt_device *td = hid_get_drvdata(hdev);
242
243 return sprintf(buf, "%u\n", td->mtclass.quirks);
244}
245
246static ssize_t mt_set_quirks(struct device *dev,
247 struct device_attribute *attr,
248 const char *buf, size_t count)
249{
250 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
251 struct mt_device *td = hid_get_drvdata(hdev);
252
253 unsigned long val;
254
255 if (kstrtoul(buf, 0, &val))
256 return -EINVAL;
257
258 td->mtclass.quirks = val;
259
c2517f62
BT		 260 if (!td->contactcount)
261 td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
262
eec29e3d
BT		 263 return count;
264}
265
266static DEVICE_ATTR(quirks, S_IWUSR | S_IRUGO, mt_show_quirks, mt_set_quirks);
267
268static struct attribute *sysfs_attrs[] = {
269 &dev_attr_quirks.attr,
270 NULL
271};
272
273static struct attribute_group mt_attribute_group = {
274 .attrs = sysfs_attrs
275};
276
f635bd11 277static void mt_feature_mapping(struct hid_device *hdev,
5519cab4
BT		 278 struct hid_field *field, struct hid_usage *usage)
279{
9498f954 280 struct mt_device *td = hid_get_drvdata(hdev);
4aceed37 281 int i;
9498f954
BT		 282
283 switch (usage->hid) {
284 case HID_DG_INPUTMODE:
5519cab4 285 td->inputmode = field->report->id;
4aceed37
BT		 286 td->inputmode_index = 0; /* has to be updated below */
287
288 for (i=0; i < field->maxusage; i++) {
289 if (field->usage[i].hid == usage->hid) {
290 td->inputmode_index = i;
291 break;
292 }
293 }
294
9498f954
BT		 295 break;
296 case HID_DG_CONTACTMAX:
31ae9bdd 297 td->maxcontact_report_id = field->report->id;
9498f954 298 td->maxcontacts = field->value[0];
afbcb04c
BT		 299 if (!td->maxcontacts &&
300 field->logical_maximum <= MT_MAX_MAXCONTACT)
301 td->maxcontacts = field->logical_maximum;
eec29e3d 302 if (td->mtclass.maxcontacts)
9498f954 303 /* check if the maxcontacts is given by the class */
eec29e3d 304 td->maxcontacts = td->mtclass.maxcontacts;
9498f954
BT		 305
306 break;
1b42fc4a
BT		 307 case 0xff0000c5:
308 if (field->report_count == 256 && field->report_size == 8) {
309 /* Win 8 devices need special quirks */
310 __s32 *quirks = &td->mtclass.quirks;
311 *quirks |= MT_QUIRK_ALWAYS_VALID;
312 *quirks |= MT_QUIRK_IGNORE_DUPLICATES;
313 *quirks |= MT_QUIRK_HOVERING;
314 *quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
315 *quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
316 *quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
317 }
318 break;
5519cab4
BT		 319 }
320}
321
322static void set_abs(struct input_dev *input, unsigned int code,
323 struct hid_field *field, int snratio)
324{
325 int fmin = field->logical_minimum;
326 int fmax = field->logical_maximum;
327 int fuzz = snratio ? (fmax - fmin) / snratio : 0;
328 input_set_abs_params(input, code, fmin, fmax, fuzz, 0);
37cf6e6f 329 input_abs_set_res(input, code, hidinput_calc_abs_res(field, code));
5519cab4
BT		 330}
331
3ac36d15 332static void mt_store_field(struct hid_usage *usage, struct mt_device *td,
ed9d5c96
BT		 333 struct hid_input *hi)
334{
3ac36d15
BT		 335 struct mt_fields *f = td->fields;
336
337 if (f->length >= HID_MAX_FIELDS)
338 return;
339
340 f->usages[f->length++] = usage->hid;
ed9d5c96
BT		 341}
342
5519cab4
BT		 343static int mt_input_mapping(struct hid_device *hdev, struct hid_input *hi,
344 struct hid_field *field, struct hid_usage *usage,
345 unsigned long **bit, int *max)
346{
347 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 348 struct mt_class *cls = &td->mtclass;
c2ef8f21 349 int code;
349fd670 350 struct hid_usage *prev_usage = NULL;
4875ac11 351
658d4aed 352 /* Only map fields from TouchScreen or TouchPad collections.
2258e863
DK		 353 * We need to ignore fields that belong to other collections
354 * such as Mouse that might have the same GenericDesktop usages. */
658d4aed 355 if (field->application == HID_DG_TOUCHSCREEN)
76f5902a 356 td->mt_flags |= INPUT_MT_DIRECT;
c2ef8f21 357 else if (field->application != HID_DG_TOUCHPAD)
658d4aed
JB		 358 return 0;
359
76f5902a
HR		 360 /*
361 * Model touchscreens providing buttons as touchpads.
c2ef8f21
BT		 362 */
363 if (field->application == HID_DG_TOUCHPAD ||
76f5902a
HR		 364 (usage->hid & HID_USAGE_PAGE) == HID_UP_BUTTON)
365 td->mt_flags |= INPUT_MT_POINTER;
c2ef8f21 366
2261bb9f
BT		 367 /* eGalax devices provide a Digitizer.Stylus input which overrides
368 * the correct Digitizers.Finger X/Y ranges.
369 * Let's just ignore this input. */
370 if (field->physical == HID_DG_STYLUS)
371 return -1;
372
349fd670
BT		 373 if (usage->usage_index)
374 prev_usage = &field->usage[usage->usage_index - 1];
375
5519cab4
BT		 376 switch (usage->hid & HID_USAGE_PAGE) {
377
378 case HID_UP_GENDESK:
379 switch (usage->hid) {
380 case HID_GD_X:
349fd670
BT		 381 if (prev_usage && (prev_usage->hid == usage->hid)) {
382 hid_map_usage(hi, usage, bit, max,
383 EV_ABS, ABS_MT_TOOL_X);
384 set_abs(hi->input, ABS_MT_TOOL_X, field,
385 cls->sn_move);
386 } else {
387 hid_map_usage(hi, usage, bit, max,
5519cab4 388 EV_ABS, ABS_MT_POSITION_X);
349fd670
BT		 389 set_abs(hi->input, ABS_MT_POSITION_X, field,
390 cls->sn_move);
391 }
392
3ac36d15 393 mt_store_field(usage, td, hi);
ed9d5c96 394 td->last_field_index = field->index;
5519cab4
BT		 395 return 1;
396 case HID_GD_Y:
349fd670
BT		 397 if (prev_usage && (prev_usage->hid == usage->hid)) {
398 hid_map_usage(hi, usage, bit, max,
399 EV_ABS, ABS_MT_TOOL_Y);
400 set_abs(hi->input, ABS_MT_TOOL_Y, field,
401 cls->sn_move);
402 } else {
403 hid_map_usage(hi, usage, bit, max,
5519cab4 404 EV_ABS, ABS_MT_POSITION_Y);
349fd670
BT		 405 set_abs(hi->input, ABS_MT_POSITION_Y, field,
406 cls->sn_move);
407 }
408
3ac36d15 409 mt_store_field(usage, td, hi);
ed9d5c96 410 td->last_field_index = field->index;
5519cab4
BT		 411 return 1;
412 }
413 return 0;
414
415 case HID_UP_DIGITIZER:
416 switch (usage->hid) {
417 case HID_DG_INRANGE:
9b3bb9b8
BT		 418 if (cls->quirks & MT_QUIRK_HOVERING) {
419 hid_map_usage(hi, usage, bit, max,
420 EV_ABS, ABS_MT_DISTANCE);
421 input_set_abs_params(hi->input,
422 ABS_MT_DISTANCE, 0, 1, 0, 0);
423 }
3ac36d15 424 mt_store_field(usage, td, hi);
ed9d5c96 425 td->last_field_index = field->index;
5519cab4
BT		 426 return 1;
427 case HID_DG_CONFIDENCE:
3ac36d15 428 mt_store_field(usage, td, hi);
ed9d5c96 429 td->last_field_index = field->index;
5519cab4
BT		 430 return 1;
431 case HID_DG_TIPSWITCH:
432 hid_map_usage(hi, usage, bit, max, EV_KEY, BTN_TOUCH);
433 input_set_capability(hi->input, EV_KEY, BTN_TOUCH);
3ac36d15 434 mt_store_field(usage, td, hi);
ed9d5c96 435 td->last_field_index = field->index;
5519cab4
BT		 436 return 1;
437 case HID_DG_CONTACTID:
3ac36d15 438 mt_store_field(usage, td, hi);
2955caed 439 td->last_field_index = field->index;
9e87f22a 440 td->touches_by_report++;
55978fa9 441 td->mt_report_id = field->report->id;
5519cab4
BT		 442 return 1;
443 case HID_DG_WIDTH:
444 hid_map_usage(hi, usage, bit, max,
445 EV_ABS, ABS_MT_TOUCH_MAJOR);
77723e3b
HR		 446 if (!(cls->quirks & MT_QUIRK_NO_AREA))
447 set_abs(hi->input, ABS_MT_TOUCH_MAJOR, field,
448 cls->sn_width);
3ac36d15 449 mt_store_field(usage, td, hi);
ed9d5c96 450 td->last_field_index = field->index;
5519cab4
BT		 451 return 1;
452 case HID_DG_HEIGHT:
453 hid_map_usage(hi, usage, bit, max,
454 EV_ABS, ABS_MT_TOUCH_MINOR);
77723e3b
HR		 455 if (!(cls->quirks & MT_QUIRK_NO_AREA)) {
456 set_abs(hi->input, ABS_MT_TOUCH_MINOR, field,
457 cls->sn_height);
458 input_set_abs_params(hi->input,
1e648a13 459 ABS_MT_ORIENTATION, 0, 1, 0, 0);
77723e3b 460 }
3ac36d15 461 mt_store_field(usage, td, hi);
ed9d5c96 462 td->last_field_index = field->index;
5519cab4
BT		 463 return 1;
464 case HID_DG_TIPPRESSURE:
465 hid_map_usage(hi, usage, bit, max,
466 EV_ABS, ABS_MT_PRESSURE);
467 set_abs(hi->input, ABS_MT_PRESSURE, field,
468 cls->sn_pressure);
3ac36d15 469 mt_store_field(usage, td, hi);
ed9d5c96 470 td->last_field_index = field->index;
5519cab4
BT		 471 return 1;
472 case HID_DG_CONTACTCOUNT:
c2517f62 473 td->contactcount = field->value + usage->usage_index;
ed9d5c96 474 td->last_field_index = field->index;
5519cab4
BT		 475 return 1;
476 case HID_DG_CONTACTMAX:
477 /* we don't set td->last_slot_field as contactcount and
478 * contact max are global to the report */
ed9d5c96 479 td->last_field_index = field->index;
5519cab4 480 return -1;
c2ef8f21
BT		 481 case HID_DG_TOUCH:
482 /* Legacy devices use TIPSWITCH and not TOUCH.
483 * Let's just ignore this field. */
484 return -1;
65b258e9 485 }
5519cab4
BT		 486 /* let hid-input decide for the others */
487 return 0;
488
c2ef8f21
BT		 489 case HID_UP_BUTTON:
490 code = BTN_MOUSE + ((usage->hid - 1) & HID_USAGE);
491 hid_map_usage(hi, usage, bit, max, EV_KEY, code);
492 input_set_capability(hi->input, EV_KEY, code);
493 return 1;
494
5519cab4
BT		 495 case 0xff000000:
496 /* we do not want to map these: no input-oriented meaning */
497 return -1;
498 }
499
500 return 0;
501}
502
503static int mt_input_mapped(struct hid_device *hdev, struct hid_input *hi,
504 struct hid_field *field, struct hid_usage *usage,
505 unsigned long **bit, int *max)
506{
507 if (usage->type == EV_KEY || usage->type == EV_ABS)
508 set_bit(usage->type, hi->input->evbit);
509
510 return -1;
511}
512
3e1b5015 513static int mt_compute_slot(struct mt_device *td, struct input_dev *input)
5519cab4 514{
eec29e3d 515 __s32 quirks = td->mtclass.quirks;
5519cab4 516
2d93666e
BT		 517 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID)
518 return td->curdata.contactid;
5519cab4 519
2d93666e 520 if (quirks & MT_QUIRK_CYPRESS)
a3b5e577
BT		 521 return cypress_compute_slot(td);
522
2d93666e
BT		 523 if (quirks & MT_QUIRK_SLOT_IS_CONTACTNUMBER)
524 return td->num_received;
5572da08 525
4a6ee685
BT		 526 if (quirks & MT_QUIRK_SLOT_IS_CONTACTID_MINUS_ONE)
527 return td->curdata.contactid - 1;
528
3e1b5015 529 return input_mt_get_slot_by_key(input, td->curdata.contactid);
5519cab4
BT		 530}
531
532/*
533 * this function is called when a whole contact has been processed,
534 * so that it can assign it to a slot and store the data there
535 */
3e1b5015 536static void mt_complete_slot(struct mt_device *td, struct input_dev *input)
5519cab4 537{
c2517f62
BT		 538 if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&
539 td->num_received >= td->num_expected)
540 return;
541
20b60e6d 542 if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {
3e1b5015
HR		 543 int slotnum = mt_compute_slot(td, input);
544 struct mt_slot *s = &td->curdata;
28728399 545 struct input_mt *mt = input->mt;
5519cab4 546
3e1b5015
HR		 547 if (slotnum < 0 || slotnum >= td->maxcontacts)
548 return;
5519cab4 549
28728399
BT		 550 if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {
551 struct input_mt_slot *slot = &mt->slots[slotnum];
552 if (input_mt_is_active(slot) &&
553 input_mt_is_used(mt, slot))
554 return;
555 }
556
3e1b5015 557 input_mt_slot(input, slotnum);
5519cab4 558 input_mt_report_slot_state(input, MT_TOOL_FINGER,
9b3bb9b8
BT		 559 s->touch_state || s->inrange_state);
560 if (s->touch_state || s->inrange_state) {
561 /* this finger is in proximity of the sensor */
f786bba4
BT		 562 int wide = (s->w > s->h);
563 /* divided by two to match visual scale of touch */
564 int major = max(s->w, s->h) >> 1;
565 int minor = min(s->w, s->h) >> 1;
566
2d93666e
BT		 567 input_event(input, EV_ABS, ABS_MT_POSITION_X, s->x);
568 input_event(input, EV_ABS, ABS_MT_POSITION_Y, s->y);
349fd670
BT		 569 input_event(input, EV_ABS, ABS_MT_TOOL_X, s->cx);
570 input_event(input, EV_ABS, ABS_MT_TOOL_Y, s->cy);
9b3bb9b8
BT		 571 input_event(input, EV_ABS, ABS_MT_DISTANCE,
572 !s->touch_state);
f786bba4 573 input_event(input, EV_ABS, ABS_MT_ORIENTATION, wide);
2d93666e 574 input_event(input, EV_ABS, ABS_MT_PRESSURE, s->p);
f786bba4
BT		 575 input_event(input, EV_ABS, ABS_MT_TOUCH_MAJOR, major);
576 input_event(input, EV_ABS, ABS_MT_TOUCH_MINOR, minor);
2d93666e 577 }
5519cab4
BT		 578 }
579
3e1b5015
HR		 580 td->num_received++;
581}
582
583/*
584 * this function is called when a whole packet has been received and processed,
585 * so that it can decide what to send to the input layer.
586 */
587static void mt_sync_frame(struct mt_device *td, struct input_dev *input)
588{
76f5902a 589 input_mt_sync_frame(input);
5519cab4
BT		 590 input_sync(input);
591 td->num_received = 0;
592}
593
5519cab4
BT		 594static int mt_event(struct hid_device *hid, struct hid_field *field,
595 struct hid_usage *usage, __s32 value)
55978fa9
BT		 596{
597 /* we will handle the hidinput part later, now remains hiddev */
598 if (hid->claimed & HID_CLAIMED_HIDDEV && hid->hiddev_hid_event)
599 hid->hiddev_hid_event(hid, field, usage, value);
600
601 return 1;
602}
603
604static void mt_process_mt_event(struct hid_device *hid, struct hid_field *field,
605 struct hid_usage *usage, __s32 value)
5519cab4
BT		 606{
607 struct mt_device *td = hid_get_drvdata(hid);
eec29e3d 608 __s32 quirks = td->mtclass.quirks;
5519cab4 609
3e1b5015 610 if (hid->claimed & HID_CLAIMED_INPUT) {
5519cab4
BT		 611 switch (usage->hid) {
612 case HID_DG_INRANGE:
20b60e6d 613 if (quirks & MT_QUIRK_VALID_IS_INRANGE)
2d93666e 614 td->curvalid = value;
9b3bb9b8
BT		 615 if (quirks & MT_QUIRK_HOVERING)
616 td->curdata.inrange_state = value;
5519cab4
BT		 617 break;
618 case HID_DG_TIPSWITCH:
2d93666e
BT		 619 if (quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
620 td->curvalid = value;
5519cab4
BT		 621 td->curdata.touch_state = value;
622 break;
623 case HID_DG_CONFIDENCE:
2d93666e
BT		 624 if (quirks & MT_QUIRK_VALID_IS_CONFIDENCE)
625 td->curvalid = value;
5519cab4
BT		 626 break;
627 case HID_DG_CONTACTID:
628 td->curdata.contactid = value;
629 break;
630 case HID_DG_TIPPRESSURE:
631 td->curdata.p = value;
632 break;
633 case HID_GD_X:
349fd670
BT		 634 if (usage->code == ABS_MT_TOOL_X)
635 td->curdata.cx = value;
636 else
637 td->curdata.x = value;
5519cab4
BT		 638 break;
639 case HID_GD_Y:
349fd670
BT		 640 if (usage->code == ABS_MT_TOOL_Y)
641 td->curdata.cy = value;
642 else
643 td->curdata.y = value;
5519cab4
BT		 644 break;
645 case HID_DG_WIDTH:
646 td->curdata.w = value;
647 break;
648 case HID_DG_HEIGHT:
649 td->curdata.h = value;
650 break;
651 case HID_DG_CONTACTCOUNT:
5519cab4 652 break;
c2ef8f21
BT		 653 case HID_DG_TOUCH:
654 /* do nothing */
655 break;
5519cab4
BT		 656
657 default:
55978fa9 658 return;
5519cab4 659 }
5519cab4 660
54f4c0c3
BT		 661 if (usage->usage_index + 1 == field->report_count) {
662 /* we only take into account the last report. */
663 if (usage->hid == td->last_slot_field)
664 mt_complete_slot(td, field->hidinput->input);
665
666 if (field->index == td->last_field_index
667 && td->num_received >= td->num_expected)
668 mt_sync_frame(td, field->hidinput->input);
669 }
5519cab4 670
2d93666e 671 }
55978fa9 672}
5519cab4 673
55978fa9
BT		 674static void mt_report(struct hid_device *hid, struct hid_report *report)
675{
676 struct mt_device *td = hid_get_drvdata(hid);
677 struct hid_field *field;
678 unsigned count;
679 int r, n;
5519cab4 680
55978fa9
BT		 681 if (report->id != td->mt_report_id)
682 return;
683
684 if (!(hid->claimed & HID_CLAIMED_INPUT))
685 return;
686
c2517f62
BT		 687 /*
688 * Includes multi-packet support where subsequent
689 * packets are sent with zero contactcount.
690 */
691 if (td->contactcount && *td->contactcount)
692 td->num_expected = *td->contactcount;
693
55978fa9
BT		 694 for (r = 0; r < report->maxfield; r++) {
695 field = report->field[r];
696 count = field->report_count;
697
698 if (!(HID_MAIN_ITEM_VARIABLE & field->flags))
699 continue;
700
701 for (n = 0; n < count; n++)
702 mt_process_mt_event(hid, field, &field->usage[n],
703 field->value[n]);
704 }
5519cab4
BT		 705}
706
707static void mt_set_input_mode(struct hid_device *hdev)
708{
709 struct mt_device *td = hid_get_drvdata(hdev);
710 struct hid_report *r;
711 struct hid_report_enum *re;
712
713 if (td->inputmode < 0)
714 return;
715
716 re = &(hdev->report_enum[HID_FEATURE_REPORT]);
717 r = re->report_id_hash[td->inputmode];
718 if (r) {
4aceed37 719 r->field[0]->value[td->inputmode_index] = 0x02;
5519cab4
BT		 720 usbhid_submit_report(hdev, r, USB_DIR_OUT);
721 }
722}
723
31ae9bdd
BT		 724static void mt_set_maxcontacts(struct hid_device *hdev)
725{
726 struct mt_device *td = hid_get_drvdata(hdev);
727 struct hid_report *r;
728 struct hid_report_enum *re;
729 int fieldmax, max;
730
731 if (td->maxcontact_report_id < 0)
732 return;
733
734 if (!td->mtclass.maxcontacts)
735 return;
736
737 re = &hdev->report_enum[HID_FEATURE_REPORT];
738 r = re->report_id_hash[td->maxcontact_report_id];
739 if (r) {
740 max = td->mtclass.maxcontacts;
741 fieldmax = r->field[0]->logical_maximum;
742 max = min(fieldmax, max);
743 if (r->field[0]->value[0] != max) {
744 r->field[0]->value[0] = max;
745 usbhid_submit_report(hdev, r, USB_DIR_OUT);
746 }
747 }
748}
749
4fa3a583
HR		 750static void mt_post_parse_default_settings(struct mt_device *td)
751{
752 __s32 quirks = td->mtclass.quirks;
753
754 /* unknown serial device needs special quirks */
755 if (td->touches_by_report == 1) {
756 quirks |= MT_QUIRK_ALWAYS_VALID;
757 quirks &= ~MT_QUIRK_NOT_SEEN_MEANS_UP;
758 quirks &= ~MT_QUIRK_VALID_IS_INRANGE;
759 quirks &= ~MT_QUIRK_VALID_IS_CONFIDENCE;
760 }
761
762 td->mtclass.quirks = quirks;
763}
764
3ac36d15
BT		 765static void mt_post_parse(struct mt_device *td)
766{
767 struct mt_fields *f = td->fields;
c2517f62 768 struct mt_class *cls = &td->mtclass;
3ac36d15
BT		 769
770 if (td->touches_by_report > 0) {
771 int field_count_per_touch = f->length / td->touches_by_report;
772 td->last_slot_field = f->usages[field_count_per_touch - 1];
773 }
c2517f62
BT		 774
775 if (!td->contactcount)
776 cls->quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;
3ac36d15
BT		 777}
778
76f5902a
HR		 779static void mt_input_configured(struct hid_device *hdev, struct hid_input *hi)
780
781{
782 struct mt_device *td = hid_get_drvdata(hdev);
783 struct mt_class *cls = &td->mtclass;
784 struct input_dev *input = hi->input;
785
786 /* Only initialize slots for MT input devices */
787 if (!test_bit(ABS_MT_POSITION_X, input->absbit))
788 return;
789
790 if (!td->maxcontacts)
791 td->maxcontacts = MT_DEFAULT_MAXCONTACT;
792
793 mt_post_parse(td);
794 if (td->serial_maybe)
795 mt_post_parse_default_settings(td);
796
797 if (cls->is_indirect)
798 td->mt_flags |= INPUT_MT_POINTER;
799
3e1b5015
HR		 800 if (cls->quirks & MT_QUIRK_NOT_SEEN_MEANS_UP)
801 td->mt_flags |= INPUT_MT_DROP_UNUSED;
802
76f5902a
HR		 803 input_mt_init_slots(input, td->maxcontacts, td->mt_flags);
804
805 td->mt_flags = 0;
806}
807
5519cab4
BT		 808static int mt_probe(struct hid_device *hdev, const struct hid_device_id *id)
809{
2d93666e 810 int ret, i;
5519cab4 811 struct mt_device *td;
2d93666e
BT		 812 struct mt_class *mtclass = mt_classes; /* MT_CLS_DEFAULT */
813
94b5485c
HR		 814 for (i = 0; mt_classes[i].name ; i++) {
815 if (id->driver_data == mt_classes[i].name) {
816 mtclass = &(mt_classes[i]);
817 break;
2d93666e
BT		 818 }
819 }
5519cab4 820
d682bd7f
HR		 821 /* This allows the driver to correctly support devices
822 * that emit events over several HID messages.
823 */
824 hdev->quirks |= HID_QUIRK_NO_INPUT_SYNC;
5519cab4 825
9498f954 826 td = kzalloc(sizeof(struct mt_device), GFP_KERNEL);
5519cab4
BT		 827 if (!td) {
828 dev_err(&hdev->dev, "cannot allocate multitouch data\n");
829 return -ENOMEM;
830 }
eec29e3d 831 td->mtclass = *mtclass;
5519cab4 832 td->inputmode = -1;
31ae9bdd 833 td->maxcontact_report_id = -1;
5519cab4
BT		 834 hid_set_drvdata(hdev, td);
835
3ac36d15
BT		 836 td->fields = kzalloc(sizeof(struct mt_fields), GFP_KERNEL);
837 if (!td->fields) {
838 dev_err(&hdev->dev, "cannot allocate multitouch fields data\n");
839 ret = -ENOMEM;
840 goto fail;
841 }
842
76f5902a
HR		 843 if (id->vendor == HID_ANY_ID && id->product == HID_ANY_ID)
844 td->serial_maybe = true;
845
5519cab4
BT		 846 ret = hid_parse(hdev);
847 if (ret != 0)
848 goto fail;
849
850 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2d93666e 851 if (ret)
5519cab4
BT		 852 goto fail;
853
eec29e3d
BT		 854 ret = sysfs_create_group(&hdev->dev.kobj, &mt_attribute_group);
855
31ae9bdd 856 mt_set_maxcontacts(hdev);
5519cab4
BT		 857 mt_set_input_mode(hdev);
858
3ac36d15
BT		 859 kfree(td->fields);
860 td->fields = NULL;
861
5519cab4
BT		 862 return 0;
863
864fail:
3ac36d15 865 kfree(td->fields);
5519cab4
BT		 866 kfree(td);
867 return ret;
868}
869
870#ifdef CONFIG_PM
871static int mt_reset_resume(struct hid_device *hdev)
872{
31ae9bdd 873 mt_set_maxcontacts(hdev);
5519cab4
BT		 874 mt_set_input_mode(hdev);
875 return 0;
876}
dfeefd10
SL		 877
878static int mt_resume(struct hid_device *hdev)
879{
880 struct usb_interface *intf;
881 struct usb_host_interface *interface;
882 struct usb_device *dev;
883
884 if (hdev->bus != BUS_USB)
885 return 0;
886
887 intf = to_usb_interface(hdev->dev.parent);
888 interface = intf->cur_altsetting;
889 dev = hid_to_usb_dev(hdev);
890
891 /* Some Elan legacy devices require SET_IDLE to be set on resume.
892 * It should be safe to send it to other devices too.
893 * Tested on 3M, Stantum, Cypress, Zytronic, eGalax, and Elan panels. */
894
895 usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
896 HID_REQ_SET_IDLE,
897 USB_TYPE_CLASS | USB_RECIP_INTERFACE,
898 0, interface->desc.bInterfaceNumber,
899 NULL, 0, USB_CTRL_SET_TIMEOUT);
900
901 return 0;
902}
5519cab4
BT		 903#endif
904
905static void mt_remove(struct hid_device *hdev)
906{
907 struct mt_device *td = hid_get_drvdata(hdev);
eec29e3d 908 sysfs_remove_group(&hdev->dev.kobj, &mt_attribute_group);
5519cab4
BT		 909 hid_hw_stop(hdev);
910 kfree(td);
911 hid_set_drvdata(hdev, NULL);
912}
913
914static const struct hid_device_id mt_devices[] = {
915
f786bba4
BT		 916 /* 3M panels */
917 { .driver_data = MT_CLS_3M,
2c2110e9 918 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4
BT		 919 USB_DEVICE_ID_3M1968) },
920 { .driver_data = MT_CLS_3M,
2c2110e9 921 MT_USB_DEVICE(USB_VENDOR_ID_3M,
f786bba4 922 USB_DEVICE_ID_3M2256) },
c4fad877 923 { .driver_data = MT_CLS_3M,
2c2110e9 924 MT_USB_DEVICE(USB_VENDOR_ID_3M,
c4fad877 925 USB_DEVICE_ID_3M3266) },
f786bba4 926
e6aac342
BT		 927 /* ActionStar panels */
928 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 929 MT_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR,
e6aac342
BT		 930 USB_DEVICE_ID_ACTIONSTAR_1011) },
931
b1057124
BT		 932 /* Atmel panels */
933 { .driver_data = MT_CLS_SERIAL,
2c2110e9 934 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
b1057124 935 USB_DEVICE_ID_ATMEL_MULTITOUCH) },
841cb157 936 { .driver_data = MT_CLS_SERIAL,
2c2110e9 937 MT_USB_DEVICE(USB_VENDOR_ID_ATMEL,
841cb157 938 USB_DEVICE_ID_ATMEL_MXT_DIGITIZER) },
b1057124 939
9ed32695
JK		 940 /* Baanto multitouch devices */
941 { .driver_data = MT_CLS_DEFAULT,
16b79bb8 942 MT_USB_DEVICE(USB_VENDOR_ID_BAANTO,
9ed32695 943 USB_DEVICE_ID_BAANTO_MT_190W2) },
a841b62c
BT		 944 /* Cando panels */
945 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 946 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 947 USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
948 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 949 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 950 USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
951 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 952 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 953 USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
954 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTNUMBER,
2c2110e9 955 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
a841b62c
BT		 956 USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
957
942fd422
AZ		 958 /* Chunghwa Telecom touch panels */
959 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 960 MT_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT,
942fd422
AZ		 961 USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
962
79603dc9
BT		 963 /* CVTouch panels */
964 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 965 MT_USB_DEVICE(USB_VENDOR_ID_CVTOUCH,
79603dc9
BT		 966 USB_DEVICE_ID_CVTOUCH_SCREEN) },
967
a3b5e577
BT		 968 /* Cypress panel */
969 { .driver_data = MT_CLS_CYPRESS,
970 HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS,
971 USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
972
22408283 973 /* eGalax devices (resistive) */
e36f690b 974 { .driver_data = MT_CLS_EGALAX,
2c2110e9 975 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b
BT		 976 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
977 { .driver_data = MT_CLS_EGALAX,
2c2110e9 978 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 979 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
22408283
BT		 980
981 /* eGalax devices (capacitive) */
e36f690b 982 { .driver_data = MT_CLS_EGALAX,
2c2110e9 983 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 984 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
fd1d1525 985 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 986 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 987 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7207) },
988 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 989 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525
BT		 990 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
991 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 992 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 993 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
2ce09df4 994 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 995 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
2ce09df4 996 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_722A) },
e36f690b 997 { .driver_data = MT_CLS_EGALAX,
2c2110e9 998 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 999 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
fd1d1525 1000 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1001 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1002 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7262) },
e36f690b 1003 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1004 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1005 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
fd1d1525 1006 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1007 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1008 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72AA) },
66f06127 1009 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1010 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
66f06127 1011 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72FA) },
bb9ff210 1012 { .driver_data = MT_CLS_EGALAX,
2c2110e9 1013 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
bb9ff210 1014 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
fd1d1525 1015 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1016 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
fd1d1525 1017 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7349) },
1b723e8d 1018 { .driver_data = MT_CLS_EGALAX_SERIAL,
ae01c9e5
TR		 1019 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
1020 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_73F7) },
1b723e8d 1021 { .driver_data = MT_CLS_EGALAX_SERIAL,
2c2110e9 1022 MT_USB_DEVICE(USB_VENDOR_ID_DWAV,
e36f690b 1023 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
3d77104a
JK		 1024 { .driver_data = MT_CLS_EGALAX,
1025 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1026 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1027 { .driver_data = MT_CLS_EGALAX,
1028 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1029 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72D0) },
1030 { .driver_data = MT_CLS_EGALAX,
1031 HID_USB_DEVICE(USB_VENDOR_ID_DWAV,
1032 USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72C4) },
22408283 1033
c04abeef
BT		 1034 /* Elo TouchSystems IntelliTouch Plus panel */
1035 { .driver_data = MT_CLS_DUAL_NSMU_CONTACTID,
2c2110e9 1036 MT_USB_DEVICE(USB_VENDOR_ID_ELO,
c04abeef
BT		 1037 USB_DEVICE_ID_ELO_TS2515) },
1038
77723e3b
HR		 1039 /* Flatfrog Panels */
1040 { .driver_data = MT_CLS_FLATFROG,
1041 MT_USB_DEVICE(USB_VENDOR_ID_FLATFROG,
1042 USB_DEVICE_ID_MULTITOUCH_3200) },
1043
5572da08 1044 /* GeneralTouch panel */
f5ff4e1e 1045 { .driver_data = MT_CLS_GENERALTOUCH_TWOFINGERS,
2c2110e9 1046 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
5572da08 1047 USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
f5ff4e1e
XY		 1048 { .driver_data = MT_CLS_GENERALTOUCH_PWT_TENFINGERS,
1049 MT_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH,
1050 USB_DEVICE_ID_GENERAL_TOUCH_WIN8_PWT_TENFINGERS) },
5572da08 1051
4d5df5d1
AN		 1052 /* Gametel game controller */
1053 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1054 MT_BT_DEVICE(USB_VENDOR_ID_FRUCTEL,
4d5df5d1
AN		 1055 USB_DEVICE_ID_GAMETEL_MT_MODE) },
1056
ee0fbd14
BT		 1057 /* GoodTouch panels */
1058 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1059 MT_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH,
ee0fbd14
BT		 1060 USB_DEVICE_ID_GOODTOUCH_000f) },
1061
54580365
BT		 1062 /* Hanvon panels */
1063 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1064 MT_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT,
54580365
BT		 1065 USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1066
a062cc5a
SC		 1067 /* Ideacom panel */
1068 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1069 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
a062cc5a 1070 USB_DEVICE_ID_IDEACOM_IDC6650) },
71078b0d 1071 { .driver_data = MT_CLS_SERIAL,
2c2110e9 1072 MT_USB_DEVICE(USB_VENDOR_ID_IDEACOM,
71078b0d 1073 USB_DEVICE_ID_IDEACOM_IDC6651) },
a062cc5a 1074
4e61f0d7
AZ		 1075 /* Ilitek dual touch panel */
1076 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1077 MT_USB_DEVICE(USB_VENDOR_ID_ILITEK,
4e61f0d7
AZ		 1078 USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1079
4dfcced8
BT		 1080 /* IRTOUCH panels */
1081 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1082 MT_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS,
4dfcced8
BT		 1083 USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1084
c50bb1a4
JB		 1085 /* LG Display panels */
1086 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1087 MT_USB_DEVICE(USB_VENDOR_ID_LG,
c50bb1a4
JB		 1088 USB_DEVICE_ID_LG_MULTITOUCH) },
1089
df167c4a
BT		 1090 /* Lumio panels */
1091 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1092 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
df167c4a 1093 USB_DEVICE_ID_CRYSTALTOUCH) },
c3ead6de 1094 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1095 MT_USB_DEVICE(USB_VENDOR_ID_LUMIO,
c3ead6de 1096 USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
df167c4a 1097
4a6ee685
BT		 1098 /* MosArt panels */
1099 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1100 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1101 USB_DEVICE_ID_ASUS_T91MT)},
1102 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1103 MT_USB_DEVICE(USB_VENDOR_ID_ASUS,
4a6ee685
BT		 1104 USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1105 { .driver_data = MT_CLS_CONFIDENCE_MINUS_ONE,
2c2110e9 1106 MT_USB_DEVICE(USB_VENDOR_ID_TURBOX,
4a6ee685
BT		 1107 USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1108
c2517f62
BT		 1109 /* Nexio panels */
1110 { .driver_data = MT_CLS_ALWAYS_TRUE,
1111 MT_USB_DEVICE(USB_VENDOR_ID_NEXIO,
1112 USB_DEVICE_ID_NEXIO_MULTITOUCH_420)},
1113
2258e863
DK		 1114 /* Panasonic panels */
1115 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1116 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1117 USB_DEVICE_ID_PANABOARD_UBT780) },
1118 { .driver_data = MT_CLS_PANASONIC,
2c2110e9 1119 MT_USB_DEVICE(USB_VENDOR_ID_PANASONIC,
2258e863
DK		 1120 USB_DEVICE_ID_PANABOARD_UBT880) },
1121
4db703ea
AH		 1122 /* Novatek Panel */
1123 { .driver_data = MT_CLS_DEFAULT,
4380d819 1124 MT_USB_DEVICE(USB_VENDOR_ID_NOVATEK,
4db703ea
AH		 1125 USB_DEVICE_ID_NOVATEK_PCT) },
1126
6ab3a9a6
JS		 1127 /* PenMount panels */
1128 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1129 MT_USB_DEVICE(USB_VENDOR_ID_PENMOUNT,
6ab3a9a6
JS		 1130 USB_DEVICE_ID_PENMOUNT_PCI) },
1131
b7ea95ff
AT		 1132 /* PixArt optical touch screen */
1133 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1134 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1135 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1136 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1137 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1138 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1139 { .driver_data = MT_CLS_INRANGE_CONTACTNUMBER,
2c2110e9 1140 MT_USB_DEVICE(USB_VENDOR_ID_PIXART,
b7ea95ff
AT		 1141 USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1142
5519cab4 1143 /* PixCir-based panels */
1e9cf35b 1144 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1145 MT_USB_DEVICE(USB_VENDOR_ID_HANVON,
5519cab4 1146 USB_DEVICE_ID_HANVON_MULTITOUCH) },
1e9cf35b 1147 { .driver_data = MT_CLS_DUAL_INRANGE_CONTACTID,
2c2110e9 1148 MT_USB_DEVICE(USB_VENDOR_ID_CANDO,
5519cab4
BT		 1149 USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1150
5e7ea11f
BT		 1151 /* Quanta-based panels */
1152 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1153 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1154 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1155 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1156 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1157 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3001) },
1158 { .driver_data = MT_CLS_CONFIDENCE_CONTACT_ID,
2c2110e9 1159 MT_USB_DEVICE(USB_VENDOR_ID_QUANTA,
5e7ea11f
BT		 1160 USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH_3008) },
1161
043b403a 1162 /* Stantum panels */
bf5af9b5 1163 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1164 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM,
043b403a 1165 USB_DEVICE_ID_MTP)},
bf5af9b5 1166 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1167 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM,
043b403a 1168 USB_DEVICE_ID_MTP_STM)},
bf5af9b5 1169 { .driver_data = MT_CLS_CONFIDENCE,
2c2110e9 1170 MT_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX,
043b403a
BT		 1171 USB_DEVICE_ID_MTP_SITRONIX)},
1172
847672cd
BT		 1173 /* TopSeed panels */
1174 { .driver_data = MT_CLS_TOPSEED,
2c2110e9 1175 MT_USB_DEVICE(USB_VENDOR_ID_TOPSEED2,
847672cd
BT		 1176 USB_DEVICE_ID_TOPSEED2_PERIPAD_701) },
1177
5e74e56d
BT		 1178 /* Touch International panels */
1179 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1180 MT_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL,
5e74e56d
BT		 1181 USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1182
617b64f9
BT		 1183 /* Unitec panels */
1184 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1185 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9
BT		 1186 USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1187 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1188 MT_USB_DEVICE(USB_VENDOR_ID_UNITEC,
617b64f9 1189 USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
bc8a2a9b 1190 /* XAT */
1191 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1192 MT_USB_DEVICE(USB_VENDOR_ID_XAT,
bc8a2a9b 1193 USB_DEVICE_ID_XAT_CSR) },
617b64f9 1194
11576c61
MH		 1195 /* Xiroku */
1196 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1197 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1198 USB_DEVICE_ID_XIROKU_SPX) },
1199 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1200 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1201 USB_DEVICE_ID_XIROKU_MPX) },
1202 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1203 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1204 USB_DEVICE_ID_XIROKU_CSR) },
1205 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1206 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1207 USB_DEVICE_ID_XIROKU_SPX1) },
1208 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1209 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1210 USB_DEVICE_ID_XIROKU_MPX1) },
1211 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1212 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1213 USB_DEVICE_ID_XIROKU_CSR1) },
1214 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1215 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1216 USB_DEVICE_ID_XIROKU_SPX2) },
1217 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1218 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1219 USB_DEVICE_ID_XIROKU_MPX2) },
1220 { .driver_data = MT_CLS_DEFAULT,
2c2110e9 1221 MT_USB_DEVICE(USB_VENDOR_ID_XIROKU,
11576c61
MH		 1222 USB_DEVICE_ID_XIROKU_CSR2) },
1223
82d06982
BT		 1224 /* Zytronic panels */
1225 { .driver_data = MT_CLS_SERIAL,
1226 MT_USB_DEVICE(USB_VENDOR_ID_ZYTRONIC,
1227 USB_DEVICE_ID_ZYTRONIC_ZXY100) },
1228
4fa3a583
HR		 1229 /* Generic MT device */
1230 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_MULTITOUCH, HID_ANY_ID, HID_ANY_ID) },
5519cab4
BT		 1231 { }
1232};
1233MODULE_DEVICE_TABLE(hid, mt_devices);
1234
1235static const struct hid_usage_id mt_grabbed_usages[] = {
1236 { HID_ANY_ID, HID_ANY_ID, HID_ANY_ID },
1237 { HID_ANY_ID - 1, HID_ANY_ID - 1, HID_ANY_ID - 1}
1238};
1239
1240static struct hid_driver mt_driver = {
1241 .name = "hid-multitouch",
1242 .id_table = mt_devices,
1243 .probe = mt_probe,
1244 .remove = mt_remove,
1245 .input_mapping = mt_input_mapping,
1246 .input_mapped = mt_input_mapped,
76f5902a 1247 .input_configured = mt_input_configured,
5519cab4
BT		 1248 .feature_mapping = mt_feature_mapping,
1249 .usage_table = mt_grabbed_usages,
1250 .event = mt_event,
55978fa9 1251 .report = mt_report,
5519cab4
BT		 1252#ifdef CONFIG_PM
1253 .reset_resume = mt_reset_resume,
dfeefd10 1254 .resume = mt_resume,
5519cab4
BT		 1255#endif
1256};
1257
1258static int __init mt_init(void)
1259{
1260 return hid_register_driver(&mt_driver);
1261}
1262
1263static void __exit mt_exit(void)
1264{
1265 hid_unregister_driver(&mt_driver);
1266}
1267
1268module_init(mt_init);
1269module_exit(mt_exit);
kernel source for telekom puls (alcatel/mediatek)