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