drivers/hid/hid-core.c

   1 /*
   2  *  HID support for Linux
   3  *
   4  *  Copyright (c) 1999 Andreas Gal
   5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
   6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
   7  *  Copyright (c) 2006-2010 Jiri Kosina
   8  */
   9
  10 /*
  11  * This program is free software; you can redistribute it and/or modify it
  12  * under the terms of the GNU General Public License as published by the Free
  13  * Software Foundation; either version 2 of the License, or (at your option)
  14  * any later version.
  15  */
  16
  17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19 #include <linux/module.h>
  20 #include <linux/slab.h>
  21 #include <linux/init.h>
  22 #include <linux/kernel.h>
  23 #include <linux/list.h>
  24 #include <linux/mm.h>
  25 #include <linux/spinlock.h>
  26 #include <asm/unaligned.h>
  27 #include <asm/byteorder.h>
  28 #include <linux/input.h>
  29 #include <linux/wait.h>
  30 #include <linux/vmalloc.h>
  31 #include <linux/sched.h>
  32 #include <linux/semaphore.h>
  33
  34 #include <linux/hid.h>
  35 #include <linux/hiddev.h>
  36 #include <linux/hid-debug.h>
  37 #include <linux/hidraw.h>
  38
  39 #include "hid-ids.h"
  40
  41 /*
  42  * Version Information
  43  */
  44
  45 #define DRIVER_DESC "HID core driver"
  46 #define DRIVER_LICENSE "GPL"
  47
  48 int hid_debug = 0;
  49 module_param_named(debug, hid_debug, int, 0600);
  50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
  51 EXPORT_SYMBOL_GPL(hid_debug);
  52
  53 /*
  54  * Register a new report for a device.
  55  */
  56
  57 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
  58 {
  59         struct hid_report_enum *report_enum = device->report_enum + type;
  60         struct hid_report *report;
  61
  62         if (id >= HID_MAX_IDS)
  63                 return NULL;
  64         if (report_enum->report_id_hash[id])
  65                 return report_enum->report_id_hash[id];
  66
  67         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
  68         if (!report)
  69                 return NULL;
  70
  71         if (id != 0)
  72                 report_enum->numbered = 1;
  73
  74         report->id = id;
  75         report->type = type;
  76         report->size = 0;
  77         report->device = device;
  78         report_enum->report_id_hash[id] = report;
  79
  80         list_add_tail(&report->list, &report_enum->report_list);
  81
  82         return report;
  83 }
  84 EXPORT_SYMBOL_GPL(hid_register_report);
  85
  86 /*
  87  * Register a new field for this report.
  88  */
  89
  90 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
  91 {
  92         struct hid_field *field;
  93
  94         if (report->maxfield == HID_MAX_FIELDS) {
  95                 dbg_hid("too many fields in report\n");
  96                 return NULL;
  97         }
  98
  99         field = kzalloc((sizeof(struct hid_field) +
 100                          usages * sizeof(struct hid_usage) +
 101                          values * sizeof(unsigned)), GFP_KERNEL);
 102         if (!field)
 103                 return NULL;
 104
 105         field->index = report->maxfield++;
 106         report->field[field->index] = field;
 107         field->usage = (struct hid_usage *)(field + 1);
 108         field->value = (s32 *)(field->usage + usages);
 109         field->report = report;
 110
 111         return field;
 112 }
 113
 114 /*
 115  * Open a collection. The type/usage is pushed on the stack.
 116  */
 117
 118 static int open_collection(struct hid_parser *parser, unsigned type)
 119 {
 120         struct hid_collection *collection;
 121         unsigned usage;
 122
 123         usage = parser->local.usage[0];
 124
 125         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
 126                 dbg_hid("collection stack overflow\n");
 127                 return -1;
 128         }
 129
 130         if (parser->device->maxcollection == parser->device->collection_size) {
 131                 collection = kmalloc(sizeof(struct hid_collection) *
 132                                 parser->device->collection_size * 2, GFP_KERNEL);
 133                 if (collection == NULL) {
 134                         dbg_hid("failed to reallocate collection array\n");
 135                         return -1;
 136                 }
 137                 memcpy(collection, parser->device->collection,
 138                         sizeof(struct hid_collection) *
 139                         parser->device->collection_size);
 140                 memset(collection + parser->device->collection_size, 0,
 141                         sizeof(struct hid_collection) *
 142                         parser->device->collection_size);
 143                 kfree(parser->device->collection);
 144                 parser->device->collection = collection;
 145                 parser->device->collection_size *= 2;
 146         }
 147
 148         parser->collection_stack[parser->collection_stack_ptr++] =
 149                 parser->device->maxcollection;
 150
 151         collection = parser->device->collection +
 152                 parser->device->maxcollection++;
 153         collection->type = type;
 154         collection->usage = usage;
 155         collection->level = parser->collection_stack_ptr - 1;
 156
 157         if (type == HID_COLLECTION_APPLICATION)
 158                 parser->device->maxapplication++;
 159
 160         return 0;
 161 }
 162
 163 /*
 164  * Close a collection.
 165  */
 166
 167 static int close_collection(struct hid_parser *parser)
 168 {
 169         if (!parser->collection_stack_ptr) {
 170                 dbg_hid("collection stack underflow\n");
 171                 return -1;
 172         }
 173         parser->collection_stack_ptr--;
 174         return 0;
 175 }
 176
 177 /*
 178  * Climb up the stack, search for the specified collection type
 179  * and return the usage.
 180  */
 181
 182 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
 183 {
 184         struct hid_collection *collection = parser->device->collection;
 185         int n;
 186
 187         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
 188                 unsigned index = parser->collection_stack[n];
 189                 if (collection[index].type == type)
 190                         return collection[index].usage;
 191         }
 192         return 0; /* we know nothing about this usage type */
 193 }
 194
 195 /*
 196  * Add a usage to the temporary parser table.
 197  */
 198
 199 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
 200 {
 201         if (parser->local.usage_index >= HID_MAX_USAGES) {
 202                 dbg_hid("usage index exceeded\n");
 203                 return -1;
 204         }
 205         parser->local.usage[parser->local.usage_index] = usage;
 206         parser->local.collection_index[parser->local.usage_index] =
 207                 parser->collection_stack_ptr ?
 208                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
 209         parser->local.usage_index++;
 210         return 0;
 211 }
 212
 213 /*
 214  * Register a new field for this report.
 215  */
 216
 217 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
 218 {
 219         struct hid_report *report;
 220         struct hid_field *field;
 221         int usages;
 222         unsigned offset;
 223         int i;
 224
 225         report = hid_register_report(parser->device, report_type, parser->global.report_id);
 226         if (!report) {
 227                 dbg_hid("hid_register_report failed\n");
 228                 return -1;
 229         }
 230
 231         if (parser->global.logical_maximum < parser->global.logical_minimum) {
 232                 dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum);
 233                 return -1;
 234         }
 235
 236         offset = report->size;
 237         report->size += parser->global.report_size * parser->global.report_count;
 238
 239         if (!parser->local.usage_index) /* Ignore padding fields */
 240                 return 0;
 241
 242         usages = max_t(int, parser->local.usage_index, parser->global.report_count);
 243
 244         field = hid_register_field(report, usages, parser->global.report_count);
 245         if (!field)
 246                 return 0;
 247
 248         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
 249         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
 250         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 251
 252         for (i = 0; i < usages; i++) {
 253                 int j = i;
 254                 /* Duplicate the last usage we parsed if we have excess values */
 255                 if (i >= parser->local.usage_index)
 256                         j = parser->local.usage_index - 1;
 257                 field->usage[i].hid = parser->local.usage[j];
 258                 field->usage[i].collection_index =
 259                         parser->local.collection_index[j];
 260         }
 261
 262         field->maxusage = usages;
 263         field->flags = flags;
 264         field->report_offset = offset;
 265         field->report_type = report_type;
 266         field->report_size = parser->global.report_size;
 267         field->report_count = parser->global.report_count;
 268         field->logical_minimum = parser->global.logical_minimum;
 269         field->logical_maximum = parser->global.logical_maximum;
 270         field->physical_minimum = parser->global.physical_minimum;
 271         field->physical_maximum = parser->global.physical_maximum;
 272         field->unit_exponent = parser->global.unit_exponent;
 273         field->unit = parser->global.unit;
 274
 275         return 0;
 276 }
 277
 278 /*
 279  * Read data value from item.
 280  */
 281
 282 static u32 item_udata(struct hid_item *item)
 283 {
 284         switch (item->size) {
 285         case 1: return item->data.u8;
 286         case 2: return item->data.u16;
 287         case 4: return item->data.u32;
 288         }
 289         return 0;
 290 }
 291
 292 static s32 item_sdata(struct hid_item *item)
 293 {
 294         switch (item->size) {
 295         case 1: return item->data.s8;
 296         case 2: return item->data.s16;
 297         case 4: return item->data.s32;
 298         }
 299         return 0;
 300 }
 301
 302 /*
 303  * Process a global item.
 304  */
 305
 306 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 307 {
 308         switch (item->tag) {
 309         case HID_GLOBAL_ITEM_TAG_PUSH:
 310
 311                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
 312                         dbg_hid("global environment stack overflow\n");
 313                         return -1;
 314                 }
 315
 316                 memcpy(parser->global_stack + parser->global_stack_ptr++,
 317                         &parser->global, sizeof(struct hid_global));
 318                 return 0;
 319
 320         case HID_GLOBAL_ITEM_TAG_POP:
 321
 322                 if (!parser->global_stack_ptr) {
 323                         dbg_hid("global environment stack underflow\n");
 324                         return -1;
 325                 }
 326
 327                 memcpy(&parser->global, parser->global_stack +
 328                         --parser->global_stack_ptr, sizeof(struct hid_global));
 329                 return 0;
 330
 331         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
 332                 parser->global.usage_page = item_udata(item);
 333                 return 0;
 334
 335         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
 336                 parser->global.logical_minimum = item_sdata(item);
 337                 return 0;
 338
 339         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
 340                 if (parser->global.logical_minimum < 0)
 341                         parser->global.logical_maximum = item_sdata(item);
 342                 else
 343                         parser->global.logical_maximum = item_udata(item);
 344                 return 0;
 345
 346         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
 347                 parser->global.physical_minimum = item_sdata(item);
 348                 return 0;
 349
 350         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
 351                 if (parser->global.physical_minimum < 0)
 352                         parser->global.physical_maximum = item_sdata(item);
 353                 else
 354                         parser->global.physical_maximum = item_udata(item);
 355                 return 0;
 356
 357         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
 358                 parser->global.unit_exponent = item_sdata(item);
 359                 return 0;
 360
 361         case HID_GLOBAL_ITEM_TAG_UNIT:
 362                 parser->global.unit = item_udata(item);
 363                 return 0;
 364
 365         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 366                 parser->global.report_size = item_udata(item);
 367                 if (parser->global.report_size > 96) {
 368                         dbg_hid("invalid report_size %d\n",
 369                                         parser->global.report_size);
 370                         return -1;
 371                 }
 372                 return 0;
 373
 374         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
 375                 parser->global.report_count = item_udata(item);
 376                 if (parser->global.report_count > HID_MAX_USAGES) {
 377                         dbg_hid("invalid report_count %d\n",
 378                                         parser->global.report_count);
 379                         return -1;
 380                 }
 381                 return 0;
 382
 383         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
 384                 parser->global.report_id = item_udata(item);
 385                 if (parser->global.report_id == 0 ||
 386                     parser->global.report_id >= HID_MAX_IDS) {
 387                         dbg_hid("report_id %u is invalid\n",
 388                                 parser->global.report_id);
 389                         return -1;
 390                 }
 391                 return 0;
 392
 393         default:
 394                 dbg_hid("unknown global tag 0x%x\n", item->tag);
 395                 return -1;
 396         }
 397 }
 398
 399 /*
 400  * Process a local item.
 401  */
 402
 403 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
 404 {
 405         __u32 data;
 406         unsigned n;
 407
 408         data = item_udata(item);
 409
 410         switch (item->tag) {
 411         case HID_LOCAL_ITEM_TAG_DELIMITER:
 412
 413                 if (data) {
 414                         /*
 415                          * We treat items before the first delimiter
 416                          * as global to all usage sets (branch 0).
 417                          * In the moment we process only these global
 418                          * items and the first delimiter set.
 419                          */
 420                         if (parser->local.delimiter_depth != 0) {
 421                                 dbg_hid("nested delimiters\n");
 422                                 return -1;
 423                         }
 424                         parser->local.delimiter_depth++;
 425                         parser->local.delimiter_branch++;
 426                 } else {
 427                         if (parser->local.delimiter_depth < 1) {
 428                                 dbg_hid("bogus close delimiter\n");
 429                                 return -1;
 430                         }
 431                         parser->local.delimiter_depth--;
 432                 }
 433                 return 1;
 434
 435         case HID_LOCAL_ITEM_TAG_USAGE:
 436
 437                 if (parser->local.delimiter_branch > 1) {
 438                         dbg_hid("alternative usage ignored\n");
 439                         return 0;
 440                 }
 441
 442                 if (item->size <= 2)
 443                         data = (parser->global.usage_page << 16) + data;
 444
 445                 return hid_add_usage(parser, data);
 446
 447         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
 448
 449                 if (parser->local.delimiter_branch > 1) {
 450                         dbg_hid("alternative usage ignored\n");
 451                         return 0;
 452                 }
 453
 454                 if (item->size <= 2)
 455                         data = (parser->global.usage_page << 16) + data;
 456
 457                 parser->local.usage_minimum = data;
 458                 return 0;
 459
 460         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
 461
 462                 if (parser->local.delimiter_branch > 1) {
 463                         dbg_hid("alternative usage ignored\n");
 464                         return 0;
 465                 }
 466
 467                 if (item->size <= 2)
 468                         data = (parser->global.usage_page << 16) + data;
 469
 470                 for (n = parser->local.usage_minimum; n <= data; n++)
 471                         if (hid_add_usage(parser, n)) {
 472                                 dbg_hid("hid_add_usage failed\n");
 473                                 return -1;
 474                         }
 475                 return 0;
 476
 477         default:
 478
 479                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
 480                 return 0;
 481         }
 482         return 0;
 483 }
 484
 485 /*
 486  * Process a main item.
 487  */
 488
 489 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
 490 {
 491         __u32 data;
 492         int ret;
 493
 494         data = item_udata(item);
 495
 496         switch (item->tag) {
 497         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 498                 ret = open_collection(parser, data & 0xff);
 499                 break;
 500         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 501                 ret = close_collection(parser);
 502                 break;
 503         case HID_MAIN_ITEM_TAG_INPUT:
 504                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
 505                 break;
 506         case HID_MAIN_ITEM_TAG_OUTPUT:
 507                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
 508                 break;
 509         case HID_MAIN_ITEM_TAG_FEATURE:
 510                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
 511                 break;
 512         default:
 513                 dbg_hid("unknown main item tag 0x%x\n", item->tag);
 514                 ret = 0;
 515         }
 516
 517         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
 518
 519         return ret;
 520 }
 521
 522 /*
 523  * Process a reserved item.
 524  */
 525
 526 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
 527 {
 528         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
 529         return 0;
 530 }
 531
 532 /*
 533  * Free a report and all registered fields. The field->usage and
 534  * field->value table's are allocated behind the field, so we need
 535  * only to free(field) itself.
 536  */
 537
 538 static void hid_free_report(struct hid_report *report)
 539 {
 540         unsigned n;
 541
 542         for (n = 0; n < report->maxfield; n++)
 543                 kfree(report->field[n]);
 544         kfree(report);
 545 }
 546
 547 /*
 548  * Free a device structure, all reports, and all fields.
 549  */
 550
 551 static void hid_device_release(struct device *dev)
 552 {
 553         struct hid_device *device = container_of(dev, struct hid_device, dev);
 554         unsigned i, j;
 555
 556         for (i = 0; i < HID_REPORT_TYPES; i++) {
 557                 struct hid_report_enum *report_enum = device->report_enum + i;
 558
 559                 for (j = 0; j < HID_MAX_IDS; j++) {
 560                         struct hid_report *report = report_enum->report_id_hash[j];
 561                         if (report)
 562                                 hid_free_report(report);
 563                 }
 564         }
 565
 566         kfree(device->rdesc);
 567         kfree(device->collection);
 568         kfree(device);
 569 }
 570
 571 /*
 572  * Fetch a report description item from the data stream. We support long
 573  * items, though they are not used yet.
 574  */
 575
 576 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 577 {
 578         u8 b;
 579
 580         if ((end - start) <= 0)
 581                 return NULL;
 582
 583         b = *start++;
 584
 585         item->type = (b >> 2) & 3;
 586         item->tag  = (b >> 4) & 15;
 587
 588         if (item->tag == HID_ITEM_TAG_LONG) {
 589
 590                 item->format = HID_ITEM_FORMAT_LONG;
 591
 592                 if ((end - start) < 2)
 593                         return NULL;
 594
 595                 item->size = *start++;
 596                 item->tag  = *start++;
 597
 598                 if ((end - start) < item->size)
 599                         return NULL;
 600
 601                 item->data.longdata = start;
 602                 start += item->size;
 603                 return start;
 604         }
 605
 606         item->format = HID_ITEM_FORMAT_SHORT;
 607         item->size = b & 3;
 608
 609         switch (item->size) {
 610         case 0:
 611                 return start;
 612
 613         case 1:
 614                 if ((end - start) < 1)
 615                         return NULL;
 616                 item->data.u8 = *start++;
 617                 return start;
 618
 619         case 2:
 620                 if ((end - start) < 2)
 621                         return NULL;
 622                 item->data.u16 = get_unaligned_le16(start);
 623                 start = (__u8 *)((__le16 *)start + 1);
 624                 return start;
 625
 626         case 3:
 627                 item->size++;
 628                 if ((end - start) < 4)
 629                         return NULL;
 630                 item->data.u32 = get_unaligned_le32(start);
 631                 start = (__u8 *)((__le32 *)start + 1);
 632                 return start;
 633         }
 634
 635         return NULL;
 636 }
 637
 638 /**
 639  * hid_parse_report - parse device report
 640  *
 641  * @device: hid device
 642  * @start: report start
 643  * @size: report size
 644  *
 645  * Parse a report description into a hid_device structure. Reports are
 646  * enumerated, fields are attached to these reports.
 647  * 0 returned on success, otherwise nonzero error value.
 648  */
 649 int hid_parse_report(struct hid_device *device, __u8 *start,
 650                 unsigned size)
 651 {
 652         struct hid_parser *parser;
 653         struct hid_item item;
 654         __u8 *end;
 655         int ret;
 656         static int (*dispatch_type[])(struct hid_parser *parser,
 657                                       struct hid_item *item) = {
 658                 hid_parser_main,
 659                 hid_parser_global,
 660                 hid_parser_local,
 661                 hid_parser_reserved
 662         };
 663
 664         if (device->driver->report_fixup)
 665                 start = device->driver->report_fixup(device, start, &size);
 666
 667         device->rdesc = kmemdup(start, size, GFP_KERNEL);
 668         if (device->rdesc == NULL)
 669                 return -ENOMEM;
 670         device->rsize = size;
 671
 672         parser = vzalloc(sizeof(struct hid_parser));
 673         if (!parser) {
 674                 ret = -ENOMEM;
 675                 goto err;
 676         }
 677
 678         parser->device = device;
 679
 680         end = start + size;
 681         ret = -EINVAL;
 682         while ((start = fetch_item(start, end, &item)) != NULL) {
 683
 684                 if (item.format != HID_ITEM_FORMAT_SHORT) {
 685                         dbg_hid("unexpected long global item\n");
 686                         goto err;
 687                 }
 688
 689                 if (dispatch_type[item.type](parser, &item)) {
 690                         dbg_hid("item %u %u %u %u parsing failed\n",
 691                                 item.format, (unsigned)item.size,
 692                                 (unsigned)item.type, (unsigned)item.tag);
 693                         goto err;
 694                 }
 695
 696                 if (start == end) {
 697                         if (parser->collection_stack_ptr) {
 698                                 dbg_hid("unbalanced collection at end of report description\n");
 699                                 goto err;
 700                         }
 701                         if (parser->local.delimiter_depth) {
 702                                 dbg_hid("unbalanced delimiter at end of report description\n");
 703                                 goto err;
 704                         }
 705                         vfree(parser);
 706                         return 0;
 707                 }
 708         }
 709
 710         dbg_hid("item fetching failed at offset %d\n", (int)(end - start));
 711 err:
 712         vfree(parser);
 713         return ret;
 714 }
 715 EXPORT_SYMBOL_GPL(hid_parse_report);
 716
 717 /*
 718  * Convert a signed n-bit integer to signed 32-bit integer. Common
 719  * cases are done through the compiler, the screwed things has to be
 720  * done by hand.
 721  */
 722
 723 static s32 snto32(__u32 value, unsigned n)
 724 {
 725         switch (n) {
 726         case 8:  return ((__s8)value);
 727         case 16: return ((__s16)value);
 728         case 32: return ((__s32)value);
 729         }
 730         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
 731 }
 732
 733 /*
 734  * Convert a signed 32-bit integer to a signed n-bit integer.
 735  */
 736
 737 static u32 s32ton(__s32 value, unsigned n)
 738 {
 739         s32 a = value >> (n - 1);
 740         if (a && a != -1)
 741                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
 742         return value & ((1 << n) - 1);
 743 }
 744
 745 /*
 746  * Extract/implement a data field from/to a little endian report (bit array).
 747  *
 748  * Code sort-of follows HID spec:
 749  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
 750  *
 751  * While the USB HID spec allows unlimited length bit fields in "report
 752  * descriptors", most devices never use more than 16 bits.
 753  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
 754  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
 755  */
 756
 757 static __u32 extract(const struct hid_device *hid, __u8 *report,
 758                      unsigned offset, unsigned n)
 759 {
 760         u64 x;
 761
 762         if (n > 32)
 763                 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
 764                          n, current->comm);
 765
 766         report += offset >> 3;  /* adjust byte index */
 767         offset &= 7;            /* now only need bit offset into one byte */
 768         x = get_unaligned_le64(report);
 769         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
 770         return (u32) x;
 771 }
 772
 773 /*
 774  * "implement" : set bits in a little endian bit stream.
 775  * Same concepts as "extract" (see comments above).
 776  * The data mangled in the bit stream remains in little endian
 777  * order the whole time. It make more sense to talk about
 778  * endianness of register values by considering a register
 779  * a "cached" copy of the little endiad bit stream.
 780  */
 781 static void implement(const struct hid_device *hid, __u8 *report,
 782                       unsigned offset, unsigned n, __u32 value)
 783 {
 784         u64 x;
 785         u64 m = (1ULL << n) - 1;
 786
 787         if (n > 32)
 788                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
 789                          __func__, n, current->comm);
 790
 791         if (value > m)
 792                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
 793                          __func__, value, current->comm);
 794         WARN_ON(value > m);
 795         value &= m;
 796
 797         report += offset >> 3;
 798         offset &= 7;
 799
 800         x = get_unaligned_le64(report);
 801         x &= ~(m << offset);
 802         x |= ((u64)value) << offset;
 803         put_unaligned_le64(x, report);
 804 }
 805
 806 /*
 807  * Search an array for a value.
 808  */
 809
 810 static int search(__s32 *array, __s32 value, unsigned n)
 811 {
 812         while (n--) {
 813                 if (*array++ == value)
 814                         return 0;
 815         }
 816         return -1;
 817 }
 818
 819 /**
 820  * hid_match_report - check if driver's raw_event should be called
 821  *
 822  * @hid: hid device
 823  * @report_type: type to match against
 824  *
 825  * compare hid->driver->report_table->report_type to report->type
 826  */
 827 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
 828 {
 829         const struct hid_report_id *id = hid->driver->report_table;
 830
 831         if (!id) /* NULL means all */
 832                 return 1;
 833
 834         for (; id->report_type != HID_TERMINATOR; id++)
 835                 if (id->report_type == HID_ANY_ID ||
 836                                 id->report_type == report->type)
 837                         return 1;
 838         return 0;
 839 }
 840
 841 /**
 842  * hid_match_usage - check if driver's event should be called
 843  *
 844  * @hid: hid device
 845  * @usage: usage to match against
 846  *
 847  * compare hid->driver->usage_table->usage_{type,code} to
 848  * usage->usage_{type,code}
 849  */
 850 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
 851 {
 852         const struct hid_usage_id *id = hid->driver->usage_table;
 853
 854         if (!id) /* NULL means all */
 855                 return 1;
 856
 857         for (; id->usage_type != HID_ANY_ID - 1; id++)
 858                 if ((id->usage_hid == HID_ANY_ID ||
 859                                 id->usage_hid == usage->hid) &&
 860                                 (id->usage_type == HID_ANY_ID ||
 861                                 id->usage_type == usage->type) &&
 862                                 (id->usage_code == HID_ANY_ID ||
 863                                  id->usage_code == usage->code))
 864                         return 1;
 865         return 0;
 866 }
 867
 868 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
 869                 struct hid_usage *usage, __s32 value, int interrupt)
 870 {
 871         struct hid_driver *hdrv = hid->driver;
 872         int ret;
 873
 874         hid_dump_input(hid, usage, value);
 875
 876         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
 877                 ret = hdrv->event(hid, field, usage, value);
 878                 if (ret != 0) {
 879                         if (ret < 0)
 880                                 dbg_hid("%s's event failed with %d\n",
 881                                                 hdrv->name, ret);
 882                         return;
 883                 }
 884         }
 885
 886         if (hid->claimed & HID_CLAIMED_INPUT)
 887                 hidinput_hid_event(hid, field, usage, value);
 888         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
 889                 hid->hiddev_hid_event(hid, field, usage, value);
 890 }
 891
 892 /*
 893  * Analyse a received field, and fetch the data from it. The field
 894  * content is stored for next report processing (we do differential
 895  * reporting to the layer).
 896  */
 897
 898 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
 899                             __u8 *data, int interrupt)
 900 {
 901         unsigned n;
 902         unsigned count = field->report_count;
 903         unsigned offset = field->report_offset;
 904         unsigned size = field->report_size;
 905         __s32 min = field->logical_minimum;
 906         __s32 max = field->logical_maximum;
 907         __s32 *value;
 908
 909         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
 910         if (!value)
 911                 return;
 912
 913         for (n = 0; n < count; n++) {
 914
 915                 value[n] = min < 0 ?
 916                         snto32(extract(hid, data, offset + n * size, size),
 917                                size) :
 918                         extract(hid, data, offset + n * size, size);
 919
 920                 /* Ignore report if ErrorRollOver */
 921                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
 922                     value[n] >= min && value[n] <= max &&
 923                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
 924                         goto exit;
 925         }
 926
 927         for (n = 0; n < count; n++) {
 928
 929                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
 930                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
 931                         continue;
 932                 }
 933
 934                 if (field->value[n] >= min && field->value[n] <= max
 935                         && field->usage[field->value[n] - min].hid
 936                         && search(value, field->value[n], count))
 937                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
 938
 939                 if (value[n] >= min && value[n] <= max
 940                         && field->usage[value[n] - min].hid
 941                         && search(field->value, value[n], count))
 942                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
 943         }
 944
 945         memcpy(field->value, value, count * sizeof(__s32));
 946 exit:
 947         kfree(value);
 948 }
 949
 950 /*
 951  * Output the field into the report.
 952  */
 953
 954 static void hid_output_field(const struct hid_device *hid,
 955                              struct hid_field *field, __u8 *data)
 956 {
 957         unsigned count = field->report_count;
 958         unsigned offset = field->report_offset;
 959         unsigned size = field->report_size;
 960         unsigned n;
 961
 962         for (n = 0; n < count; n++) {
 963                 if (field->logical_minimum < 0) /* signed values */
 964                         implement(hid, data, offset + n * size, size,
 965                                   s32ton(field->value[n], size));
 966                 else                            /* unsigned values */
 967                         implement(hid, data, offset + n * size, size,
 968                                   field->value[n]);
 969         }
 970 }
 971
 972 /*
 973  * Create a report.
 974  */
 975
 976 void hid_output_report(struct hid_report *report, __u8 *data)
 977 {
 978         unsigned n;
 979
 980         if (report->id > 0)
 981                 *data++ = report->id;
 982
 983         memset(data, 0, ((report->size - 1) >> 3) + 1);
 984         for (n = 0; n < report->maxfield; n++)
 985                 hid_output_field(report->device, report->field[n], data);
 986 }
 987 EXPORT_SYMBOL_GPL(hid_output_report);
 988
 989 /*
 990  * Set a field value. The report this field belongs to has to be
 991  * created and transferred to the device, to set this value in the
 992  * device.
 993  */
 994
 995 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
 996 {
 997         unsigned size;
 998
 999         if (!field)
1000                 return -1;
1001
1002         size = field->report_size;
1003
1004         hid_dump_input(field->report->device, field->usage + offset, value);
1005
1006         if (offset >= field->report_count) {
1007                 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count);
1008                 return -1;
1009         }
1010         if (field->logical_minimum < 0) {
1011                 if (value != snto32(s32ton(value, size), size)) {
1012                         dbg_hid("value %d is out of range\n", value);
1013                         return -1;
1014                 }
1015         }
1016         field->value[offset] = value;
1017         return 0;
1018 }
1019 EXPORT_SYMBOL_GPL(hid_set_field);
1020
1021 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1022                 const u8 *data)
1023 {
1024         struct hid_report *report;
1025         unsigned int n = 0;     /* Normally report number is 0 */
1026
1027         /* Device uses numbered reports, data[0] is report number */
1028         if (report_enum->numbered)
1029                 n = *data;
1030
1031         report = report_enum->report_id_hash[n];
1032         if (report == NULL)
1033                 dbg_hid("undefined report_id %u received\n", n);
1034
1035         return report;
1036 }
1037
1038 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1039                 int interrupt)
1040 {
1041         struct hid_report_enum *report_enum = hid->report_enum + type;
1042         struct hid_report *report;
1043         unsigned int a;
1044         int rsize, csize = size;
1045         u8 *cdata = data;
1046         int ret = 0;
1047
1048         report = hid_get_report(report_enum, data);
1049         if (!report)
1050                 goto out;
1051
1052         if (report_enum->numbered) {
1053                 cdata++;
1054                 csize--;
1055         }
1056
1057         rsize = ((report->size - 1) >> 3) + 1;
1058
1059         if (rsize > HID_MAX_BUFFER_SIZE)
1060                 rsize = HID_MAX_BUFFER_SIZE;
1061
1062         if (csize < rsize) {
1063                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1064                                 csize, rsize);
1065                 memset(cdata + csize, 0, rsize - csize);
1066         }
1067
1068         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1069                 hid->hiddev_report_event(hid, report);
1070         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1071                 ret = hidraw_report_event(hid, data, size);
1072                 if (ret)
1073                         goto out;
1074         }
1075
1076         for (a = 0; a < report->maxfield; a++)
1077                 hid_input_field(hid, report->field[a], cdata, interrupt);
1078
1079         if (hid->claimed & HID_CLAIMED_INPUT)
1080                 hidinput_report_event(hid, report);
1081 out:
1082         return ret;
1083 }
1084 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1085
1086 /**
1087  * hid_input_report - report data from lower layer (usb, bt...)
1088  *
1089  * @hid: hid device
1090  * @type: HID report type (HID_*_REPORT)
1091  * @data: report contents
1092  * @size: size of data parameter
1093  * @interrupt: distinguish between interrupt and control transfers
1094  *
1095  * This is data entry for lower layers.
1096  */
1097 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1098 {
1099         struct hid_report_enum *report_enum;
1100         struct hid_driver *hdrv;
1101         struct hid_report *report;
1102         char *buf;
1103         unsigned int i;
1104         int ret = 0;
1105
1106         if (!hid)
1107                 return -ENODEV;
1108
1109         if (down_trylock(&hid->driver_lock))
1110                 return -EBUSY;
1111
1112         if (!hid->driver) {
1113                 ret = -ENODEV;
1114                 goto unlock;
1115         }
1116         report_enum = hid->report_enum + type;
1117         hdrv = hid->driver;
1118
1119         if (!size) {
1120                 dbg_hid("empty report\n");
1121                 ret = -1;
1122                 goto unlock;
1123         }
1124
1125         buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1126
1127         if (!buf)
1128                 goto nomem;
1129
1130         /* dump the report */
1131         snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1132                         "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1133         hid_debug_event(hid, buf);
1134
1135         for (i = 0; i < size; i++) {
1136                 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1137                                 " %02x", data[i]);
1138                 hid_debug_event(hid, buf);
1139         }
1140         hid_debug_event(hid, "\n");
1141         kfree(buf);
1142
1143 nomem:
1144         report = hid_get_report(report_enum, data);
1145
1146         if (!report) {
1147                 ret = -1;
1148                 goto unlock;
1149         }
1150
1151         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1152                 ret = hdrv->raw_event(hid, report, data, size);
1153                 if (ret != 0) {
1154                         ret = ret < 0 ? ret : 0;
1155                         goto unlock;
1156                 }
1157         }
1158
1159         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1160
1161 unlock:
1162         up(&hid->driver_lock);
1163         return ret;
1164 }
1165 EXPORT_SYMBOL_GPL(hid_input_report);
1166
1167 static bool hid_match_one_id(struct hid_device *hdev,
1168                 const struct hid_device_id *id)
1169 {
1170         return id->bus == hdev->bus &&
1171                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1172                 (id->product == HID_ANY_ID || id->product == hdev->product);
1173 }
1174
1175 static const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1176                 const struct hid_device_id *id)
1177 {
1178         for (; id->bus; id++)
1179                 if (hid_match_one_id(hdev, id))
1180                         return id;
1181
1182         return NULL;
1183 }
1184
1185 static const struct hid_device_id hid_hiddev_list[] = {
1186         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1187         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1188         { }
1189 };
1190
1191 static bool hid_hiddev(struct hid_device *hdev)
1192 {
1193         return !!hid_match_id(hdev, hid_hiddev_list);
1194 }
1195
1196
1197 static ssize_t
1198 read_report_descriptor(struct file *filp, struct kobject *kobj,
1199                 struct bin_attribute *attr,
1200                 char *buf, loff_t off, size_t count)
1201 {
1202         struct device *dev = container_of(kobj, struct device, kobj);
1203         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1204
1205         if (off >= hdev->rsize)
1206                 return 0;
1207
1208         if (off + count > hdev->rsize)
1209                 count = hdev->rsize - off;
1210
1211         memcpy(buf, hdev->rdesc + off, count);
1212
1213         return count;
1214 }
1215
1216 static struct bin_attribute dev_bin_attr_report_desc = {
1217         .attr = { .name = "report_descriptor", .mode = 0444 },
1218         .read = read_report_descriptor,
1219         .size = HID_MAX_DESCRIPTOR_SIZE,
1220 };
1221
1222 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1223 {
1224         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1225                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1226                 "Multi-Axis Controller"
1227         };
1228         const char *type, *bus;
1229         char buf[64];
1230         unsigned int i;
1231         int len;
1232         int ret;
1233
1234         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1235                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1236         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1237                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1238         if (hdev->bus != BUS_USB)
1239                 connect_mask &= ~HID_CONNECT_HIDDEV;
1240         if (hid_hiddev(hdev))
1241                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1242
1243         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1244                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1245                 hdev->claimed |= HID_CLAIMED_INPUT;
1246         if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1247                 /* this device should be handled by hid-multitouch, skip it */
1248                 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
1249                 return -ENODEV;
1250         }
1251
1252         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1253                         !hdev->hiddev_connect(hdev,
1254                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1255                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1256         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1257                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1258
1259         if (!hdev->claimed) {
1260                 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1261                 return -ENODEV;
1262         }
1263
1264         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1265                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1266                 hdev->ff_init(hdev);
1267
1268         len = 0;
1269         if (hdev->claimed & HID_CLAIMED_INPUT)
1270                 len += sprintf(buf + len, "input");
1271         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1272                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1273                                 hdev->minor);
1274         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1275                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1276                                 ((struct hidraw *)hdev->hidraw)->minor);
1277
1278         type = "Device";
1279         for (i = 0; i < hdev->maxcollection; i++) {
1280                 struct hid_collection *col = &hdev->collection[i];
1281                 if (col->type == HID_COLLECTION_APPLICATION &&
1282                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1283                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1284                         type = types[col->usage & 0xffff];
1285                         break;
1286                 }
1287         }
1288
1289         switch (hdev->bus) {
1290         case BUS_USB:
1291                 bus = "USB";
1292                 break;
1293         case BUS_BLUETOOTH:
1294                 bus = "BLUETOOTH";
1295                 break;
1296         default:
1297                 bus = "<UNKNOWN>";
1298         }
1299
1300         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1301         if (ret)
1302                 hid_warn(hdev,
1303                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1304
1305         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1306                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1307                  type, hdev->name, hdev->phys);
1308
1309         return 0;
1310 }
1311 EXPORT_SYMBOL_GPL(hid_connect);
1312
1313 void hid_disconnect(struct hid_device *hdev)
1314 {
1315         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1316         if (hdev->claimed & HID_CLAIMED_INPUT)
1317                 hidinput_disconnect(hdev);
1318         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1319                 hdev->hiddev_disconnect(hdev);
1320         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1321                 hidraw_disconnect(hdev);
1322 }
1323 EXPORT_SYMBOL_GPL(hid_disconnect);
1324
1325 /* a list of devices for which there is a specialized driver on HID bus */
1326 static const struct hid_device_id hid_have_special_driver[] = {
1327         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1328         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1329         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1330         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1331         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1332         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1333         { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1334         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1335         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1336         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1337         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1338         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1339         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1340         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1341         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1342         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1343         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1344         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1345         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1346         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1347         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1348         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1349         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1350         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1351         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1352         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1353         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1354         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1355         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1356         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1357         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1358         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1359         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1360         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1361         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1362         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1363         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1364         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1365         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1366         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1367         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1368         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1369         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1370         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1371         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1372         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1373         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1374         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1375         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1376         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1377         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1378         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1379         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1380         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1381         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1382         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1383         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1384         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1385         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1386         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1387         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1388         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1389         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1390         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1391         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1392         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1393         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1394         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1395         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1396         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1397         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1398         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1399         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1400         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1401         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1402         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1403         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1404         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1405         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1406         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1407         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1408         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1409         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1410         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1411         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1412         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1413         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1414         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1415         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1416         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1417         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1418         { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1419         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1420         { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1421         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1422         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1423         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1424         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1425         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1426         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1427         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1428         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1429         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1430         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1431         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1432         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1433         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1434         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1435         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1436         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1437         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1438         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1439         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1440         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1441         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1442         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1443         { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1444         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1445         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1446         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1447         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1448         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1449         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1450         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1451         { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1452         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1453         { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1454         { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1455         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1456         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1457         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1458         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1459         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1460         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1461         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1462         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1463         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1464         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1465         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1466         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1467         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1468         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1469         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1470         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1471         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1472         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1473         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1474         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1475         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1476         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1477         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1478         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1479         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1480         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1481         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1482         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1483         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1484         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1485         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1486         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1487         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1488         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1489         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1490         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1491         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1492         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1493         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1494         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1495         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1496         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1497         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1498         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1499         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1500         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1501         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1502         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1503         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1504         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1505         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1506         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1507         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1508         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1509         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1510         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1511         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1512         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1513         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1514         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1515         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1516         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1517         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1518         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1519         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1520         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1521         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1522         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1523         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1524         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1525         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1526         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1527         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1528         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1529         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1530         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1531         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1532         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1533         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1534         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1535         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1536         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1537         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1538         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1539         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1540         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1541         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1542         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1543         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1544         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1545         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1546         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1547         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1548         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1549         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1550         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1551         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1552         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1553         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1554         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1555         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1556         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1557         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1558         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1559         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1560         { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1561         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1562         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1563         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1564         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1565         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1566         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1567         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1568         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1569         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1570         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1571         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1572         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1573         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1574         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1575         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1576         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1577         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1578         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1579         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1580         { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1581         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1582         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1583         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1584         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1585         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1586         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1587         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1588         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1589         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1590         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1591         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1592         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1593         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1594
1595         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1596         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1597         { }
1598 };
1599
1600 struct hid_dynid {
1601         struct list_head list;
1602         struct hid_device_id id;
1603 };
1604
1605 /**
1606  * store_new_id - add a new HID device ID to this driver and re-probe devices
1607  * @driver: target device driver
1608  * @buf: buffer for scanning device ID data
1609  * @count: input size
1610  *
1611  * Adds a new dynamic hid device ID to this driver,
1612  * and causes the driver to probe for all devices again.
1613  */
1614 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1615                 size_t count)
1616 {
1617         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1618         struct hid_dynid *dynid;
1619         __u32 bus, vendor, product;
1620         unsigned long driver_data = 0;
1621         int ret;
1622
1623         ret = sscanf(buf, "%x %x %x %lx",
1624                         &bus, &vendor, &product, &driver_data);
1625         if (ret < 3)
1626                 return -EINVAL;
1627
1628         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1629         if (!dynid)
1630                 return -ENOMEM;
1631
1632         dynid->id.bus = bus;
1633         dynid->id.vendor = vendor;
1634         dynid->id.product = product;
1635         dynid->id.driver_data = driver_data;
1636
1637         spin_lock(&hdrv->dyn_lock);
1638         list_add_tail(&dynid->list, &hdrv->dyn_list);
1639         spin_unlock(&hdrv->dyn_lock);
1640
1641         ret = 0;
1642         if (get_driver(&hdrv->driver)) {
1643                 ret = driver_attach(&hdrv->driver);
1644                 put_driver(&hdrv->driver);
1645         }
1646
1647         return ret ? : count;
1648 }
1649 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1650
1651 static void hid_free_dynids(struct hid_driver *hdrv)
1652 {
1653         struct hid_dynid *dynid, *n;
1654
1655         spin_lock(&hdrv->dyn_lock);
1656         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1657                 list_del(&dynid->list);
1658                 kfree(dynid);
1659         }
1660         spin_unlock(&hdrv->dyn_lock);
1661 }
1662
1663 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1664                 struct hid_driver *hdrv)
1665 {
1666         struct hid_dynid *dynid;
1667
1668         spin_lock(&hdrv->dyn_lock);
1669         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1670                 if (hid_match_one_id(hdev, &dynid->id)) {
1671                         spin_unlock(&hdrv->dyn_lock);
1672                         return &dynid->id;
1673                 }
1674         }
1675         spin_unlock(&hdrv->dyn_lock);
1676
1677         return hid_match_id(hdev, hdrv->id_table);
1678 }
1679
1680 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1681 {
1682         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1683         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1684
1685         if (!hid_match_device(hdev, hdrv))
1686                 return 0;
1687
1688         /* generic wants all that don't have specialized driver */
1689         if (!strncmp(hdrv->name, "generic-", 8))
1690                 return !hid_match_id(hdev, hid_have_special_driver);
1691
1692         return 1;
1693 }
1694
1695 static int hid_device_probe(struct device *dev)
1696 {
1697         struct hid_driver *hdrv = container_of(dev->driver,
1698                         struct hid_driver, driver);
1699         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1700         const struct hid_device_id *id;
1701         int ret = 0;
1702
1703         if (down_interruptible(&hdev->driver_lock))
1704                 return -EINTR;
1705
1706         if (!hdev->driver) {
1707                 id = hid_match_device(hdev, hdrv);
1708                 if (id == NULL) {
1709                         ret = -ENODEV;
1710                         goto unlock;
1711                 }
1712
1713                 hdev->driver = hdrv;
1714                 if (hdrv->probe) {
1715                         ret = hdrv->probe(hdev, id);
1716                 } else { /* default probe */
1717                         ret = hid_parse(hdev);
1718                         if (!ret)
1719                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1720                 }
1721                 if (ret)
1722                         hdev->driver = NULL;
1723         }
1724 unlock:
1725         up(&hdev->driver_lock);
1726         return ret;
1727 }
1728
1729 static int hid_device_remove(struct device *dev)
1730 {
1731         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1732         struct hid_driver *hdrv;
1733
1734         if (down_interruptible(&hdev->driver_lock))
1735                 return -EINTR;
1736
1737         hdrv = hdev->driver;
1738         if (hdrv) {
1739                 if (hdrv->remove)
1740                         hdrv->remove(hdev);
1741                 else /* default remove */
1742                         hid_hw_stop(hdev);
1743                 hdev->driver = NULL;
1744         }
1745
1746         up(&hdev->driver_lock);
1747         return 0;
1748 }
1749
1750 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1751 {
1752         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1753
1754         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1755                         hdev->bus, hdev->vendor, hdev->product))
1756                 return -ENOMEM;
1757
1758         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1759                 return -ENOMEM;
1760
1761         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1762                 return -ENOMEM;
1763
1764         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1765                 return -ENOMEM;
1766
1767         if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1768                         hdev->bus, hdev->vendor, hdev->product))
1769                 return -ENOMEM;
1770
1771         return 0;
1772 }
1773
1774 static struct bus_type hid_bus_type = {
1775         .name           = "hid",
1776         .match          = hid_bus_match,
1777         .probe          = hid_device_probe,
1778         .remove         = hid_device_remove,
1779         .uevent         = hid_uevent,
1780 };
1781
1782 /* a list of devices that shouldn't be handled by HID core at all */
1783 static const struct hid_device_id hid_ignore_list[] = {
1784         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1797         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1798         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1801         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1802         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1807         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1855         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1879         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
1945         { }
1946 };
1947
1948 /**
1949  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
1950  *
1951  * There are composite devices for which we want to ignore only a certain
1952  * interface. This is a list of devices for which only the mouse interface will
1953  * be ignored. This allows a dedicated driver to take care of the interface.
1954  */
1955 static const struct hid_device_id hid_mouse_ignore_list[] = {
1956         /* appletouch driver */
1957         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2003         { }
2004 };
2005
2006 static bool hid_ignore(struct hid_device *hdev)
2007 {
2008         switch (hdev->vendor) {
2009         case USB_VENDOR_ID_CODEMERCS:
2010                 /* ignore all Code Mercenaries IOWarrior devices */
2011                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2012                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2013                         return true;
2014                 break;
2015         case USB_VENDOR_ID_LOGITECH:
2016                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2017                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2018                         return true;
2019                 break;
2020         case USB_VENDOR_ID_SOUNDGRAPH:
2021                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2022                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2023                         return true;
2024                 break;
2025         case USB_VENDOR_ID_HANWANG:
2026                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2027                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2028                         return true;
2029                 break;
2030         case USB_VENDOR_ID_JESS:
2031                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2032                                 hdev->type == HID_TYPE_USBNONE)
2033                         return true;
2034         break;
2035         }
2036
2037         if (hdev->type == HID_TYPE_USBMOUSE &&
2038                         hid_match_id(hdev, hid_mouse_ignore_list))
2039                 return true;
2040
2041         return !!hid_match_id(hdev, hid_ignore_list);
2042 }
2043
2044 int hid_add_device(struct hid_device *hdev)
2045 {
2046         static atomic_t id = ATOMIC_INIT(0);
2047         int ret;
2048
2049         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2050                 return -EBUSY;
2051
2052         /* we need to kill them here, otherwise they will stay allocated to
2053          * wait for coming driver */
2054         if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2055             && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2056                 return -ENODEV;
2057
2058         /* XXX hack, any other cleaner solution after the driver core
2059          * is converted to allow more than 20 bytes as the device name? */
2060         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2061                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2062
2063         hid_debug_register(hdev, dev_name(&hdev->dev));
2064         ret = device_add(&hdev->dev);
2065         if (!ret)
2066                 hdev->status |= HID_STAT_ADDED;
2067         else
2068                 hid_debug_unregister(hdev);
2069
2070         return ret;
2071 }
2072 EXPORT_SYMBOL_GPL(hid_add_device);
2073
2074 /**
2075  * hid_allocate_device - allocate new hid device descriptor
2076  *
2077  * Allocate and initialize hid device, so that hid_destroy_device might be
2078  * used to free it.
2079  *
2080  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2081  * error value.
2082  */
2083 struct hid_device *hid_allocate_device(void)
2084 {
2085         struct hid_device *hdev;
2086         unsigned int i;
2087         int ret = -ENOMEM;
2088
2089         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2090         if (hdev == NULL)
2091                 return ERR_PTR(ret);
2092
2093         device_initialize(&hdev->dev);
2094         hdev->dev.release = hid_device_release;
2095         hdev->dev.bus = &hid_bus_type;
2096
2097         hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2098                         sizeof(struct hid_collection), GFP_KERNEL);
2099         if (hdev->collection == NULL)
2100                 goto err;
2101         hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2102
2103         for (i = 0; i < HID_REPORT_TYPES; i++)
2104                 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2105
2106         init_waitqueue_head(&hdev->debug_wait);
2107         INIT_LIST_HEAD(&hdev->debug_list);
2108         sema_init(&hdev->driver_lock, 1);
2109
2110         return hdev;
2111 err:
2112         put_device(&hdev->dev);
2113         return ERR_PTR(ret);
2114 }
2115 EXPORT_SYMBOL_GPL(hid_allocate_device);
2116
2117 static void hid_remove_device(struct hid_device *hdev)
2118 {
2119         if (hdev->status & HID_STAT_ADDED) {
2120                 device_del(&hdev->dev);
2121                 hid_debug_unregister(hdev);
2122                 hdev->status &= ~HID_STAT_ADDED;
2123         }
2124 }
2125
2126 /**
2127  * hid_destroy_device - free previously allocated device
2128  *
2129  * @hdev: hid device
2130  *
2131  * If you allocate hid_device through hid_allocate_device, you should ever
2132  * free by this function.
2133  */
2134 void hid_destroy_device(struct hid_device *hdev)
2135 {
2136         hid_remove_device(hdev);
2137         put_device(&hdev->dev);
2138 }
2139 EXPORT_SYMBOL_GPL(hid_destroy_device);
2140
2141 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2142                 const char *mod_name)
2143 {
2144         int ret;
2145
2146         hdrv->driver.name = hdrv->name;
2147         hdrv->driver.bus = &hid_bus_type;
2148         hdrv->driver.owner = owner;
2149         hdrv->driver.mod_name = mod_name;
2150
2151         INIT_LIST_HEAD(&hdrv->dyn_list);
2152         spin_lock_init(&hdrv->dyn_lock);
2153
2154         ret = driver_register(&hdrv->driver);
2155         if (ret)
2156                 return ret;
2157
2158         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2159         if (ret)
2160                 driver_unregister(&hdrv->driver);
2161
2162         return ret;
2163 }
2164 EXPORT_SYMBOL_GPL(__hid_register_driver);
2165
2166 void hid_unregister_driver(struct hid_driver *hdrv)
2167 {
2168         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2169         driver_unregister(&hdrv->driver);
2170         hid_free_dynids(hdrv);
2171 }
2172 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2173
2174 int hid_check_keys_pressed(struct hid_device *hid)
2175 {
2176         struct hid_input *hidinput;
2177         int i;
2178
2179         if (!(hid->claimed & HID_CLAIMED_INPUT))
2180                 return 0;
2181
2182         list_for_each_entry(hidinput, &hid->inputs, list) {
2183                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2184                         if (hidinput->input->key[i])
2185                                 return 1;
2186         }
2187
2188         return 0;
2189 }
2190
2191 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2192
2193 static int __init hid_init(void)
2194 {
2195         int ret;
2196
2197         if (hid_debug)
2198                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2199                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2200
2201         ret = bus_register(&hid_bus_type);
2202         if (ret) {
2203                 pr_err("can't register hid bus\n");
2204                 goto err;
2205         }
2206
2207         ret = hidraw_init();
2208         if (ret)
2209                 goto err_bus;
2210
2211         hid_debug_init();
2212
2213         return 0;
2214 err_bus:
2215         bus_unregister(&hid_bus_type);
2216 err:
2217         return ret;
2218 }
2219
2220 static void __exit hid_exit(void)
2221 {
2222         hid_debug_exit();
2223         hidraw_exit();
2224         bus_unregister(&hid_bus_type);
2225 }
2226
2227 module_init(hid_init);
2228 module_exit(hid_exit);
2229
2230 MODULE_AUTHOR("Andreas Gal");
2231 MODULE_AUTHOR("Vojtech Pavlik");
2232 MODULE_AUTHOR("Jiri Kosina");
2233 MODULE_LICENSE(DRIVER_LICENSE);
2234