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 (report_enum->report_id_hash[id])
  63                 return report_enum->report_id_hash[id];
  64
  65         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
  66         if (!report)
  67                 return NULL;
  68
  69         if (id != 0)
  70                 report_enum->numbered = 1;
  71
  72         report->id = id;
  73         report->type = type;
  74         report->size = 0;
  75         report->device = device;
  76         report_enum->report_id_hash[id] = report;
  77
  78         list_add_tail(&report->list, &report_enum->report_list);
  79
  80         return report;
  81 }
  82 EXPORT_SYMBOL_GPL(hid_register_report);
  83
  84 /*
  85  * Register a new field for this report.
  86  */
  87
  88 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
  89 {
  90         struct hid_field *field;
  91
  92         if (report->maxfield == HID_MAX_FIELDS) {
  93                 hid_err(report->device, "too many fields in report\n");
  94                 return NULL;
  95         }
  96
  97         field = kzalloc((sizeof(struct hid_field) +
  98                          usages * sizeof(struct hid_usage) +
  99                          values * sizeof(unsigned)), GFP_KERNEL);
 100         if (!field)
 101                 return NULL;
 102
 103         field->index = report->maxfield++;
 104         report->field[field->index] = field;
 105         field->usage = (struct hid_usage *)(field + 1);
 106         field->value = (s32 *)(field->usage + usages);
 107         field->report = report;
 108
 109         return field;
 110 }
 111
 112 /*
 113  * Open a collection. The type/usage is pushed on the stack.
 114  */
 115
 116 static int open_collection(struct hid_parser *parser, unsigned type)
 117 {
 118         struct hid_collection *collection;
 119         unsigned usage;
 120
 121         usage = parser->local.usage[0];
 122
 123         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
 124                 hid_err(parser->device, "collection stack overflow\n");
 125                 return -1;
 126         }
 127
 128         if (parser->device->maxcollection == parser->device->collection_size) {
 129                 collection = kmalloc(sizeof(struct hid_collection) *
 130                                 parser->device->collection_size * 2, GFP_KERNEL);
 131                 if (collection == NULL) {
 132                         hid_err(parser->device, "failed to reallocate collection array\n");
 133                         return -1;
 134                 }
 135                 memcpy(collection, parser->device->collection,
 136                         sizeof(struct hid_collection) *
 137                         parser->device->collection_size);
 138                 memset(collection + parser->device->collection_size, 0,
 139                         sizeof(struct hid_collection) *
 140                         parser->device->collection_size);
 141                 kfree(parser->device->collection);
 142                 parser->device->collection = collection;
 143                 parser->device->collection_size *= 2;
 144         }
 145
 146         parser->collection_stack[parser->collection_stack_ptr++] =
 147                 parser->device->maxcollection;
 148
 149         collection = parser->device->collection +
 150                 parser->device->maxcollection++;
 151         collection->type = type;
 152         collection->usage = usage;
 153         collection->level = parser->collection_stack_ptr - 1;
 154
 155         if (type == HID_COLLECTION_APPLICATION)
 156                 parser->device->maxapplication++;
 157
 158         return 0;
 159 }
 160
 161 /*
 162  * Close a collection.
 163  */
 164
 165 static int close_collection(struct hid_parser *parser)
 166 {
 167         if (!parser->collection_stack_ptr) {
 168                 hid_err(parser->device, "collection stack underflow\n");
 169                 return -1;
 170         }
 171         parser->collection_stack_ptr--;
 172         return 0;
 173 }
 174
 175 /*
 176  * Climb up the stack, search for the specified collection type
 177  * and return the usage.
 178  */
 179
 180 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
 181 {
 182         struct hid_collection *collection = parser->device->collection;
 183         int n;
 184
 185         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
 186                 unsigned index = parser->collection_stack[n];
 187                 if (collection[index].type == type)
 188                         return collection[index].usage;
 189         }
 190         return 0; /* we know nothing about this usage type */
 191 }
 192
 193 /*
 194  * Add a usage to the temporary parser table.
 195  */
 196
 197 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
 198 {
 199         if (parser->local.usage_index >= HID_MAX_USAGES) {
 200                 hid_err(parser->device, "usage index exceeded\n");
 201                 return -1;
 202         }
 203         parser->local.usage[parser->local.usage_index] = usage;
 204         parser->local.collection_index[parser->local.usage_index] =
 205                 parser->collection_stack_ptr ?
 206                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
 207         parser->local.usage_index++;
 208         return 0;
 209 }
 210
 211 /*
 212  * Register a new field for this report.
 213  */
 214
 215 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
 216 {
 217         struct hid_report *report;
 218         struct hid_field *field;
 219         int usages;
 220         unsigned offset;
 221         int i;
 222
 223         report = hid_register_report(parser->device, report_type, parser->global.report_id);
 224         if (!report) {
 225                 hid_err(parser->device, "hid_register_report failed\n");
 226                 return -1;
 227         }
 228
 229         if (parser->global.logical_maximum < parser->global.logical_minimum) {
 230                 hid_err(parser->device, "logical range invalid %d %d\n",
 231                                 parser->global.logical_minimum, parser->global.logical_maximum);
 232                 return -1;
 233         }
 234
 235         offset = report->size;
 236         report->size += parser->global.report_size * parser->global.report_count;
 237
 238         if (!parser->local.usage_index) /* Ignore padding fields */
 239                 return 0;
 240
 241         usages = max_t(int, parser->local.usage_index, parser->global.report_count);
 242
 243         field = hid_register_field(report, usages, parser->global.report_count);
 244         if (!field)
 245                 return 0;
 246
 247         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
 248         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
 249         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 250
 251         for (i = 0; i < usages; i++) {
 252                 int j = i;
 253                 /* Duplicate the last usage we parsed if we have excess values */
 254                 if (i >= parser->local.usage_index)
 255                         j = parser->local.usage_index - 1;
 256                 field->usage[i].hid = parser->local.usage[j];
 257                 field->usage[i].collection_index =
 258                         parser->local.collection_index[j];
 259         }
 260
 261         field->maxusage = usages;
 262         field->flags = flags;
 263         field->report_offset = offset;
 264         field->report_type = report_type;
 265         field->report_size = parser->global.report_size;
 266         field->report_count = parser->global.report_count;
 267         field->logical_minimum = parser->global.logical_minimum;
 268         field->logical_maximum = parser->global.logical_maximum;
 269         field->physical_minimum = parser->global.physical_minimum;
 270         field->physical_maximum = parser->global.physical_maximum;
 271         field->unit_exponent = parser->global.unit_exponent;
 272         field->unit = parser->global.unit;
 273
 274         return 0;
 275 }
 276
 277 /*
 278  * Read data value from item.
 279  */
 280
 281 static u32 item_udata(struct hid_item *item)
 282 {
 283         switch (item->size) {
 284         case 1: return item->data.u8;
 285         case 2: return item->data.u16;
 286         case 4: return item->data.u32;
 287         }
 288         return 0;
 289 }
 290
 291 static s32 item_sdata(struct hid_item *item)
 292 {
 293         switch (item->size) {
 294         case 1: return item->data.s8;
 295         case 2: return item->data.s16;
 296         case 4: return item->data.s32;
 297         }
 298         return 0;
 299 }
 300
 301 /*
 302  * Process a global item.
 303  */
 304
 305 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 306 {
 307         switch (item->tag) {
 308         case HID_GLOBAL_ITEM_TAG_PUSH:
 309
 310                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
 311                         hid_err(parser->device, "global environment stack overflow\n");
 312                         return -1;
 313                 }
 314
 315                 memcpy(parser->global_stack + parser->global_stack_ptr++,
 316                         &parser->global, sizeof(struct hid_global));
 317                 return 0;
 318
 319         case HID_GLOBAL_ITEM_TAG_POP:
 320
 321                 if (!parser->global_stack_ptr) {
 322                         hid_err(parser->device, "global environment stack underflow\n");
 323                         return -1;
 324                 }
 325
 326                 memcpy(&parser->global, parser->global_stack +
 327                         --parser->global_stack_ptr, sizeof(struct hid_global));
 328                 return 0;
 329
 330         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
 331                 parser->global.usage_page = item_udata(item);
 332                 return 0;
 333
 334         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
 335                 parser->global.logical_minimum = item_sdata(item);
 336                 return 0;
 337
 338         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
 339                 if (parser->global.logical_minimum < 0)
 340                         parser->global.logical_maximum = item_sdata(item);
 341                 else
 342                         parser->global.logical_maximum = item_udata(item);
 343                 return 0;
 344
 345         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
 346                 parser->global.physical_minimum = item_sdata(item);
 347                 return 0;
 348
 349         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
 350                 if (parser->global.physical_minimum < 0)
 351                         parser->global.physical_maximum = item_sdata(item);
 352                 else
 353                         parser->global.physical_maximum = item_udata(item);
 354                 return 0;
 355
 356         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
 357                 parser->global.unit_exponent = item_sdata(item);
 358                 return 0;
 359
 360         case HID_GLOBAL_ITEM_TAG_UNIT:
 361                 parser->global.unit = item_udata(item);
 362                 return 0;
 363
 364         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 365                 parser->global.report_size = item_udata(item);
 366                 if (parser->global.report_size > 96) {
 367                         hid_err(parser->device, "invalid report_size %d\n",
 368                                         parser->global.report_size);
 369                         return -1;
 370                 }
 371                 return 0;
 372
 373         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
 374                 parser->global.report_count = item_udata(item);
 375                 if (parser->global.report_count > HID_MAX_USAGES) {
 376                         hid_err(parser->device, "invalid report_count %d\n",
 377                                         parser->global.report_count);
 378                         return -1;
 379                 }
 380                 return 0;
 381
 382         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
 383                 parser->global.report_id = item_udata(item);
 384                 if (parser->global.report_id == 0) {
 385                         hid_err(parser->device, "report_id 0 is invalid\n");
 386                         return -1;
 387                 }
 388                 return 0;
 389
 390         default:
 391                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
 392                 return -1;
 393         }
 394 }
 395
 396 /*
 397  * Process a local item.
 398  */
 399
 400 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
 401 {
 402         __u32 data;
 403         unsigned n;
 404
 405         data = item_udata(item);
 406
 407         switch (item->tag) {
 408         case HID_LOCAL_ITEM_TAG_DELIMITER:
 409
 410                 if (data) {
 411                         /*
 412                          * We treat items before the first delimiter
 413                          * as global to all usage sets (branch 0).
 414                          * In the moment we process only these global
 415                          * items and the first delimiter set.
 416                          */
 417                         if (parser->local.delimiter_depth != 0) {
 418                                 hid_err(parser->device, "nested delimiters\n");
 419                                 return -1;
 420                         }
 421                         parser->local.delimiter_depth++;
 422                         parser->local.delimiter_branch++;
 423                 } else {
 424                         if (parser->local.delimiter_depth < 1) {
 425                                 hid_err(parser->device, "bogus close delimiter\n");
 426                                 return -1;
 427                         }
 428                         parser->local.delimiter_depth--;
 429                 }
 430                 return 1;
 431
 432         case HID_LOCAL_ITEM_TAG_USAGE:
 433
 434                 if (parser->local.delimiter_branch > 1) {
 435                         dbg_hid("alternative usage ignored\n");
 436                         return 0;
 437                 }
 438
 439                 if (item->size <= 2)
 440                         data = (parser->global.usage_page << 16) + data;
 441
 442                 return hid_add_usage(parser, data);
 443
 444         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
 445
 446                 if (parser->local.delimiter_branch > 1) {
 447                         dbg_hid("alternative usage ignored\n");
 448                         return 0;
 449                 }
 450
 451                 if (item->size <= 2)
 452                         data = (parser->global.usage_page << 16) + data;
 453
 454                 parser->local.usage_minimum = data;
 455                 return 0;
 456
 457         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
 458
 459                 if (parser->local.delimiter_branch > 1) {
 460                         dbg_hid("alternative usage ignored\n");
 461                         return 0;
 462                 }
 463
 464                 if (item->size <= 2)
 465                         data = (parser->global.usage_page << 16) + data;
 466
 467                 for (n = parser->local.usage_minimum; n <= data; n++)
 468                         if (hid_add_usage(parser, n)) {
 469                                 dbg_hid("hid_add_usage failed\n");
 470                                 return -1;
 471                         }
 472                 return 0;
 473
 474         default:
 475
 476                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
 477                 return 0;
 478         }
 479         return 0;
 480 }
 481
 482 /*
 483  * Process a main item.
 484  */
 485
 486 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
 487 {
 488         __u32 data;
 489         int ret;
 490
 491         data = item_udata(item);
 492
 493         switch (item->tag) {
 494         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 495                 ret = open_collection(parser, data & 0xff);
 496                 break;
 497         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 498                 ret = close_collection(parser);
 499                 break;
 500         case HID_MAIN_ITEM_TAG_INPUT:
 501                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
 502                 break;
 503         case HID_MAIN_ITEM_TAG_OUTPUT:
 504                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
 505                 break;
 506         case HID_MAIN_ITEM_TAG_FEATURE:
 507                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
 508                 break;
 509         default:
 510                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
 511                 ret = 0;
 512         }
 513
 514         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
 515
 516         return ret;
 517 }
 518
 519 /*
 520  * Process a reserved item.
 521  */
 522
 523 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
 524 {
 525         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
 526         return 0;
 527 }
 528
 529 /*
 530  * Free a report and all registered fields. The field->usage and
 531  * field->value table's are allocated behind the field, so we need
 532  * only to free(field) itself.
 533  */
 534
 535 static void hid_free_report(struct hid_report *report)
 536 {
 537         unsigned n;
 538
 539         for (n = 0; n < report->maxfield; n++)
 540                 kfree(report->field[n]);
 541         kfree(report);
 542 }
 543
 544 /*
 545  * Free a device structure, all reports, and all fields.
 546  */
 547
 548 static void hid_device_release(struct device *dev)
 549 {
 550         struct hid_device *device = container_of(dev, struct hid_device, dev);
 551         unsigned i, j;
 552
 553         for (i = 0; i < HID_REPORT_TYPES; i++) {
 554                 struct hid_report_enum *report_enum = device->report_enum + i;
 555
 556                 for (j = 0; j < 256; j++) {
 557                         struct hid_report *report = report_enum->report_id_hash[j];
 558                         if (report)
 559                                 hid_free_report(report);
 560                 }
 561         }
 562
 563         kfree(device->rdesc);
 564         kfree(device->collection);
 565         kfree(device);
 566 }
 567
 568 /*
 569  * Fetch a report description item from the data stream. We support long
 570  * items, though they are not used yet.
 571  */
 572
 573 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 574 {
 575         u8 b;
 576
 577         if ((end - start) <= 0)
 578                 return NULL;
 579
 580         b = *start++;
 581
 582         item->type = (b >> 2) & 3;
 583         item->tag  = (b >> 4) & 15;
 584
 585         if (item->tag == HID_ITEM_TAG_LONG) {
 586
 587                 item->format = HID_ITEM_FORMAT_LONG;
 588
 589                 if ((end - start) < 2)
 590                         return NULL;
 591
 592                 item->size = *start++;
 593                 item->tag  = *start++;
 594
 595                 if ((end - start) < item->size)
 596                         return NULL;
 597
 598                 item->data.longdata = start;
 599                 start += item->size;
 600                 return start;
 601         }
 602
 603         item->format = HID_ITEM_FORMAT_SHORT;
 604         item->size = b & 3;
 605
 606         switch (item->size) {
 607         case 0:
 608                 return start;
 609
 610         case 1:
 611                 if ((end - start) < 1)
 612                         return NULL;
 613                 item->data.u8 = *start++;
 614                 return start;
 615
 616         case 2:
 617                 if ((end - start) < 2)
 618                         return NULL;
 619                 item->data.u16 = get_unaligned_le16(start);
 620                 start = (__u8 *)((__le16 *)start + 1);
 621                 return start;
 622
 623         case 3:
 624                 item->size++;
 625                 if ((end - start) < 4)
 626                         return NULL;
 627                 item->data.u32 = get_unaligned_le32(start);
 628                 start = (__u8 *)((__le32 *)start + 1);
 629                 return start;
 630         }
 631
 632         return NULL;
 633 }
 634
 635 /**
 636  * hid_parse_report - parse device report
 637  *
 638  * @device: hid device
 639  * @start: report start
 640  * @size: report size
 641  *
 642  * Parse a report description into a hid_device structure. Reports are
 643  * enumerated, fields are attached to these reports.
 644  * 0 returned on success, otherwise nonzero error value.
 645  */
 646 int hid_parse_report(struct hid_device *device, __u8 *start,
 647                 unsigned size)
 648 {
 649         struct hid_parser *parser;
 650         struct hid_item item;
 651         __u8 *end;
 652         int ret;
 653         static int (*dispatch_type[])(struct hid_parser *parser,
 654                                       struct hid_item *item) = {
 655                 hid_parser_main,
 656                 hid_parser_global,
 657                 hid_parser_local,
 658                 hid_parser_reserved
 659         };
 660
 661         if (device->driver->report_fixup)
 662                 start = device->driver->report_fixup(device, start, &size);
 663
 664         device->rdesc = kmemdup(start, size, GFP_KERNEL);
 665         if (device->rdesc == NULL)
 666                 return -ENOMEM;
 667         device->rsize = size;
 668
 669         parser = vzalloc(sizeof(struct hid_parser));
 670         if (!parser) {
 671                 ret = -ENOMEM;
 672                 goto err;
 673         }
 674
 675         parser->device = device;
 676
 677         end = start + size;
 678         ret = -EINVAL;
 679         while ((start = fetch_item(start, end, &item)) != NULL) {
 680
 681                 if (item.format != HID_ITEM_FORMAT_SHORT) {
 682                         hid_err(device, "unexpected long global item\n");
 683                         goto err;
 684                 }
 685
 686                 if (dispatch_type[item.type](parser, &item)) {
 687                         hid_err(device, "item %u %u %u %u parsing failed\n",
 688                                 item.format, (unsigned)item.size,
 689                                 (unsigned)item.type, (unsigned)item.tag);
 690                         goto err;
 691                 }
 692
 693                 if (start == end) {
 694                         if (parser->collection_stack_ptr) {
 695                                 hid_err(device, "unbalanced collection at end of report description\n");
 696                                 goto err;
 697                         }
 698                         if (parser->local.delimiter_depth) {
 699                                 hid_err(device, "unbalanced delimiter at end of report description\n");
 700                                 goto err;
 701                         }
 702                         vfree(parser);
 703                         return 0;
 704                 }
 705         }
 706
 707         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
 708 err:
 709         vfree(parser);
 710         return ret;
 711 }
 712 EXPORT_SYMBOL_GPL(hid_parse_report);
 713
 714 /*
 715  * Convert a signed n-bit integer to signed 32-bit integer. Common
 716  * cases are done through the compiler, the screwed things has to be
 717  * done by hand.
 718  */
 719
 720 static s32 snto32(__u32 value, unsigned n)
 721 {
 722         switch (n) {
 723         case 8:  return ((__s8)value);
 724         case 16: return ((__s16)value);
 725         case 32: return ((__s32)value);
 726         }
 727         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
 728 }
 729
 730 /*
 731  * Convert a signed 32-bit integer to a signed n-bit integer.
 732  */
 733
 734 static u32 s32ton(__s32 value, unsigned n)
 735 {
 736         s32 a = value >> (n - 1);
 737         if (a && a != -1)
 738                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
 739         return value & ((1 << n) - 1);
 740 }
 741
 742 /*
 743  * Extract/implement a data field from/to a little endian report (bit array).
 744  *
 745  * Code sort-of follows HID spec:
 746  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
 747  *
 748  * While the USB HID spec allows unlimited length bit fields in "report
 749  * descriptors", most devices never use more than 16 bits.
 750  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
 751  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
 752  */
 753
 754 static __u32 extract(const struct hid_device *hid, __u8 *report,
 755                      unsigned offset, unsigned n)
 756 {
 757         u64 x;
 758
 759         if (n > 32)
 760                 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
 761                          n, current->comm);
 762
 763         report += offset >> 3;  /* adjust byte index */
 764         offset &= 7;            /* now only need bit offset into one byte */
 765         x = get_unaligned_le64(report);
 766         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
 767         return (u32) x;
 768 }
 769
 770 /*
 771  * "implement" : set bits in a little endian bit stream.
 772  * Same concepts as "extract" (see comments above).
 773  * The data mangled in the bit stream remains in little endian
 774  * order the whole time. It make more sense to talk about
 775  * endianness of register values by considering a register
 776  * a "cached" copy of the little endiad bit stream.
 777  */
 778 static void implement(const struct hid_device *hid, __u8 *report,
 779                       unsigned offset, unsigned n, __u32 value)
 780 {
 781         u64 x;
 782         u64 m = (1ULL << n) - 1;
 783
 784         if (n > 32)
 785                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
 786                          __func__, n, current->comm);
 787
 788         if (value > m)
 789                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
 790                          __func__, value, current->comm);
 791         WARN_ON(value > m);
 792         value &= m;
 793
 794         report += offset >> 3;
 795         offset &= 7;
 796
 797         x = get_unaligned_le64(report);
 798         x &= ~(m << offset);
 799         x |= ((u64)value) << offset;
 800         put_unaligned_le64(x, report);
 801 }
 802
 803 /*
 804  * Search an array for a value.
 805  */
 806
 807 static int search(__s32 *array, __s32 value, unsigned n)
 808 {
 809         while (n--) {
 810                 if (*array++ == value)
 811                         return 0;
 812         }
 813         return -1;
 814 }
 815
 816 /**
 817  * hid_match_report - check if driver's raw_event should be called
 818  *
 819  * @hid: hid device
 820  * @report_type: type to match against
 821  *
 822  * compare hid->driver->report_table->report_type to report->type
 823  */
 824 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
 825 {
 826         const struct hid_report_id *id = hid->driver->report_table;
 827
 828         if (!id) /* NULL means all */
 829                 return 1;
 830
 831         for (; id->report_type != HID_TERMINATOR; id++)
 832                 if (id->report_type == HID_ANY_ID ||
 833                                 id->report_type == report->type)
 834                         return 1;
 835         return 0;
 836 }
 837
 838 /**
 839  * hid_match_usage - check if driver's event should be called
 840  *
 841  * @hid: hid device
 842  * @usage: usage to match against
 843  *
 844  * compare hid->driver->usage_table->usage_{type,code} to
 845  * usage->usage_{type,code}
 846  */
 847 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
 848 {
 849         const struct hid_usage_id *id = hid->driver->usage_table;
 850
 851         if (!id) /* NULL means all */
 852                 return 1;
 853
 854         for (; id->usage_type != HID_ANY_ID - 1; id++)
 855                 if ((id->usage_hid == HID_ANY_ID ||
 856                                 id->usage_hid == usage->hid) &&
 857                                 (id->usage_type == HID_ANY_ID ||
 858                                 id->usage_type == usage->type) &&
 859                                 (id->usage_code == HID_ANY_ID ||
 860                                  id->usage_code == usage->code))
 861                         return 1;
 862         return 0;
 863 }
 864
 865 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
 866                 struct hid_usage *usage, __s32 value, int interrupt)
 867 {
 868         struct hid_driver *hdrv = hid->driver;
 869         int ret;
 870
 871         hid_dump_input(hid, usage, value);
 872
 873         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
 874                 ret = hdrv->event(hid, field, usage, value);
 875                 if (ret != 0) {
 876                         if (ret < 0)
 877                                 hid_err(hid, "%s's event failed with %d\n",
 878                                                 hdrv->name, ret);
 879                         return;
 880                 }
 881         }
 882
 883         if (hid->claimed & HID_CLAIMED_INPUT)
 884                 hidinput_hid_event(hid, field, usage, value);
 885         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
 886                 hid->hiddev_hid_event(hid, field, usage, value);
 887 }
 888
 889 /*
 890  * Analyse a received field, and fetch the data from it. The field
 891  * content is stored for next report processing (we do differential
 892  * reporting to the layer).
 893  */
 894
 895 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
 896                             __u8 *data, int interrupt)
 897 {
 898         unsigned n;
 899         unsigned count = field->report_count;
 900         unsigned offset = field->report_offset;
 901         unsigned size = field->report_size;
 902         __s32 min = field->logical_minimum;
 903         __s32 max = field->logical_maximum;
 904         __s32 *value;
 905
 906         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
 907         if (!value)
 908                 return;
 909
 910         for (n = 0; n < count; n++) {
 911
 912                 value[n] = min < 0 ?
 913                         snto32(extract(hid, data, offset + n * size, size),
 914                                size) :
 915                         extract(hid, data, offset + n * size, size);
 916
 917                 /* Ignore report if ErrorRollOver */
 918                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
 919                     value[n] >= min && value[n] <= max &&
 920                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
 921                         goto exit;
 922         }
 923
 924         for (n = 0; n < count; n++) {
 925
 926                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
 927                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
 928                         continue;
 929                 }
 930
 931                 if (field->value[n] >= min && field->value[n] <= max
 932                         && field->usage[field->value[n] - min].hid
 933                         && search(value, field->value[n], count))
 934                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
 935
 936                 if (value[n] >= min && value[n] <= max
 937                         && field->usage[value[n] - min].hid
 938                         && search(field->value, value[n], count))
 939                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
 940         }
 941
 942         memcpy(field->value, value, count * sizeof(__s32));
 943 exit:
 944         kfree(value);
 945 }
 946
 947 /*
 948  * Output the field into the report.
 949  */
 950
 951 static void hid_output_field(const struct hid_device *hid,
 952                              struct hid_field *field, __u8 *data)
 953 {
 954         unsigned count = field->report_count;
 955         unsigned offset = field->report_offset;
 956         unsigned size = field->report_size;
 957         unsigned n;
 958
 959         for (n = 0; n < count; n++) {
 960                 if (field->logical_minimum < 0) /* signed values */
 961                         implement(hid, data, offset + n * size, size,
 962                                   s32ton(field->value[n], size));
 963                 else                            /* unsigned values */
 964                         implement(hid, data, offset + n * size, size,
 965                                   field->value[n]);
 966         }
 967 }
 968
 969 /*
 970  * Create a report.
 971  */
 972
 973 void hid_output_report(struct hid_report *report, __u8 *data)
 974 {
 975         unsigned n;
 976
 977         if (report->id > 0)
 978                 *data++ = report->id;
 979
 980         memset(data, 0, ((report->size - 1) >> 3) + 1);
 981         for (n = 0; n < report->maxfield; n++)
 982                 hid_output_field(report->device, report->field[n], data);
 983 }
 984 EXPORT_SYMBOL_GPL(hid_output_report);
 985
 986 /*
 987  * Set a field value. The report this field belongs to has to be
 988  * created and transferred to the device, to set this value in the
 989  * device.
 990  */
 991
 992 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
 993 {
 994         unsigned size = field->report_size;
 995
 996         hid_dump_input(field->report->device, field->usage + offset, value);
 997
 998         if (offset >= field->report_count) {
 999                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1000                                 offset, field->report_count);
1001                 return -1;
1002         }
1003         if (field->logical_minimum < 0) {
1004                 if (value != snto32(s32ton(value, size), size)) {
1005                         hid_err(field->report->device, "value %d is out of range\n", value);
1006                         return -1;
1007                 }
1008         }
1009         field->value[offset] = value;
1010         return 0;
1011 }
1012 EXPORT_SYMBOL_GPL(hid_set_field);
1013
1014 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1015                 const u8 *data)
1016 {
1017         struct hid_report *report;
1018         unsigned int n = 0;     /* Normally report number is 0 */
1019
1020         /* Device uses numbered reports, data[0] is report number */
1021         if (report_enum->numbered)
1022                 n = *data;
1023
1024         report = report_enum->report_id_hash[n];
1025         if (report == NULL)
1026                 dbg_hid("undefined report_id %u received\n", n);
1027
1028         return report;
1029 }
1030
1031 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1032                 int interrupt)
1033 {
1034         struct hid_report_enum *report_enum = hid->report_enum + type;
1035         struct hid_report *report;
1036         unsigned int a;
1037         int rsize, csize = size;
1038         u8 *cdata = data;
1039
1040         report = hid_get_report(report_enum, data);
1041         if (!report)
1042                 return;
1043
1044         if (report_enum->numbered) {
1045                 cdata++;
1046                 csize--;
1047         }
1048
1049         rsize = ((report->size - 1) >> 3) + 1;
1050
1051         if (rsize > HID_MAX_BUFFER_SIZE)
1052                 rsize = HID_MAX_BUFFER_SIZE;
1053
1054         if (csize < rsize) {
1055                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1056                                 csize, rsize);
1057                 memset(cdata + csize, 0, rsize - csize);
1058         }
1059
1060         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1061                 hid->hiddev_report_event(hid, report);
1062         if (hid->claimed & HID_CLAIMED_HIDRAW)
1063                 hidraw_report_event(hid, data, size);
1064
1065         for (a = 0; a < report->maxfield; a++)
1066                 hid_input_field(hid, report->field[a], cdata, interrupt);
1067
1068         if (hid->claimed & HID_CLAIMED_INPUT)
1069                 hidinput_report_event(hid, report);
1070 }
1071 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1072
1073 /**
1074  * hid_input_report - report data from lower layer (usb, bt...)
1075  *
1076  * @hid: hid device
1077  * @type: HID report type (HID_*_REPORT)
1078  * @data: report contents
1079  * @size: size of data parameter
1080  * @interrupt: distinguish between interrupt and control transfers
1081  *
1082  * This is data entry for lower layers.
1083  */
1084 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1085 {
1086         struct hid_report_enum *report_enum;
1087         struct hid_driver *hdrv;
1088         struct hid_report *report;
1089         char *buf;
1090         unsigned int i;
1091         int ret = 0;
1092
1093         if (!hid)
1094                 return -ENODEV;
1095
1096         if (down_trylock(&hid->driver_lock))
1097                 return -EBUSY;
1098
1099         if (!hid->driver) {
1100                 ret = -ENODEV;
1101                 goto unlock;
1102         }
1103         report_enum = hid->report_enum + type;
1104         hdrv = hid->driver;
1105
1106         if (!size) {
1107                 dbg_hid("empty report\n");
1108                 ret = -1;
1109                 goto unlock;
1110         }
1111
1112         buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1113
1114         if (!buf)
1115                 goto nomem;
1116
1117         /* dump the report */
1118         snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1119                         "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1120         hid_debug_event(hid, buf);
1121
1122         for (i = 0; i < size; i++) {
1123                 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1124                                 " %02x", data[i]);
1125                 hid_debug_event(hid, buf);
1126         }
1127         hid_debug_event(hid, "\n");
1128         kfree(buf);
1129
1130 nomem:
1131         report = hid_get_report(report_enum, data);
1132
1133         if (!report) {
1134                 ret = -1;
1135                 goto unlock;
1136         }
1137
1138         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1139                 ret = hdrv->raw_event(hid, report, data, size);
1140                 if (ret != 0) {
1141                         ret = ret < 0 ? ret : 0;
1142                         goto unlock;
1143                 }
1144         }
1145
1146         hid_report_raw_event(hid, type, data, size, interrupt);
1147
1148 unlock:
1149         up(&hid->driver_lock);
1150         return ret;
1151 }
1152 EXPORT_SYMBOL_GPL(hid_input_report);
1153
1154 static bool hid_match_one_id(struct hid_device *hdev,
1155                 const struct hid_device_id *id)
1156 {
1157         return id->bus == hdev->bus &&
1158                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1159                 (id->product == HID_ANY_ID || id->product == hdev->product);
1160 }
1161
1162 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1163                 const struct hid_device_id *id)
1164 {
1165         for (; id->bus; id++)
1166                 if (hid_match_one_id(hdev, id))
1167                         return id;
1168
1169         return NULL;
1170 }
1171
1172 static const struct hid_device_id hid_hiddev_list[] = {
1173         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1174         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1175         { }
1176 };
1177
1178 static bool hid_hiddev(struct hid_device *hdev)
1179 {
1180         return !!hid_match_id(hdev, hid_hiddev_list);
1181 }
1182
1183
1184 static ssize_t
1185 read_report_descriptor(struct file *filp, struct kobject *kobj,
1186                 struct bin_attribute *attr,
1187                 char *buf, loff_t off, size_t count)
1188 {
1189         struct device *dev = container_of(kobj, struct device, kobj);
1190         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1191
1192         if (off >= hdev->rsize)
1193                 return 0;
1194
1195         if (off + count > hdev->rsize)
1196                 count = hdev->rsize - off;
1197
1198         memcpy(buf, hdev->rdesc + off, count);
1199
1200         return count;
1201 }
1202
1203 static struct bin_attribute dev_bin_attr_report_desc = {
1204         .attr = { .name = "report_descriptor", .mode = 0444 },
1205         .read = read_report_descriptor,
1206         .size = HID_MAX_DESCRIPTOR_SIZE,
1207 };
1208
1209 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1210 {
1211         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1212                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1213                 "Multi-Axis Controller"
1214         };
1215         const char *type, *bus;
1216         char buf[64];
1217         unsigned int i;
1218         int len;
1219         int ret;
1220
1221         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1222                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1223         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1224                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1225         if (hdev->bus != BUS_USB)
1226                 connect_mask &= ~HID_CONNECT_HIDDEV;
1227         if (hid_hiddev(hdev))
1228                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1229
1230         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1231                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1232                 hdev->claimed |= HID_CLAIMED_INPUT;
1233         if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1234                 /* this device should be handled by hid-multitouch, skip it */
1235                 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
1236                 return -ENODEV;
1237         }
1238
1239         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1240                         !hdev->hiddev_connect(hdev,
1241                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1242                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1243         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1244                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1245
1246         if (!hdev->claimed) {
1247                 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1248                 return -ENODEV;
1249         }
1250
1251         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1252                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1253                 hdev->ff_init(hdev);
1254
1255         len = 0;
1256         if (hdev->claimed & HID_CLAIMED_INPUT)
1257                 len += sprintf(buf + len, "input");
1258         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1259                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1260                                 hdev->minor);
1261         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1262                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1263                                 ((struct hidraw *)hdev->hidraw)->minor);
1264
1265         type = "Device";
1266         for (i = 0; i < hdev->maxcollection; i++) {
1267                 struct hid_collection *col = &hdev->collection[i];
1268                 if (col->type == HID_COLLECTION_APPLICATION &&
1269                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1270                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1271                         type = types[col->usage & 0xffff];
1272                         break;
1273                 }
1274         }
1275
1276         switch (hdev->bus) {
1277         case BUS_USB:
1278                 bus = "USB";
1279                 break;
1280         case BUS_BLUETOOTH:
1281                 bus = "BLUETOOTH";
1282                 break;
1283         default:
1284                 bus = "<UNKNOWN>";
1285         }
1286
1287         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1288         if (ret)
1289                 hid_warn(hdev,
1290                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1291
1292         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1293                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1294                  type, hdev->name, hdev->phys);
1295
1296         return 0;
1297 }
1298 EXPORT_SYMBOL_GPL(hid_connect);
1299
1300 void hid_disconnect(struct hid_device *hdev)
1301 {
1302         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1303         if (hdev->claimed & HID_CLAIMED_INPUT)
1304                 hidinput_disconnect(hdev);
1305         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1306                 hdev->hiddev_disconnect(hdev);
1307         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1308                 hidraw_disconnect(hdev);
1309 }
1310 EXPORT_SYMBOL_GPL(hid_disconnect);
1311
1312 /* a list of devices for which there is a specialized driver on HID bus */
1313 static const struct hid_device_id hid_have_special_driver[] = {
1314         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1315         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1316         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1317         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1318         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1319         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1320         { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1321         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1322         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1323         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1324         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1325         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1326         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1327         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1328         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1329         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1330         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1331         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1332         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1333         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1334         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1335         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1336         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1337         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1338         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1339         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1340         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1341         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1342         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1343         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1344         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1345         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1346         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1347         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1348         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1349         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1350         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1351         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1352         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1353         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1354         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1355         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1356         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1357         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1358         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1359         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1360         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1361         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1362         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1363         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1364         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1365         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1366         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1367         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1368         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1369         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1370         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1371         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1372         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1373         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1374         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1375         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1376         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1377         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1378         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1379         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1380         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1381         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1382         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1383         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1384         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1385         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1386         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1387         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1388         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1389         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1390         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1391         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1392         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1393         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1394         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1395         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1396         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1397         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1398         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1399         { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1400         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1401         { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1402         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1403         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1404         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1405         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1406         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1407         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1408         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1409         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1410         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1411         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1412         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1413         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1414         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1415         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1416         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1417         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1418         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1419         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1420         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1421         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1422         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1423         { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1424         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1425         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1426         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1427         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1428         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1429         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1430         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1431         { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1432         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1433         { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1434         { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1435         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1436         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1437         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1438         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1439         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1440         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1441         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1442         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1443         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1444         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1445         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1446         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1447         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1448         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1449         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1450         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1451         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1452         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1453         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1454         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1455         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1456         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1457         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1458         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1459         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1460         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1461         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1462         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1463         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1464         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1465         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1466         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1467         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1468         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1469         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1470         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1471         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1472         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1473         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1474         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1475         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1476         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1477         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1478         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1479         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1480         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1481         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1482         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1483         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1484         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1485         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1486         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1487         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1488         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1489         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1490         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1491         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1492         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1493         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1494         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1495         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1496         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1497         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1498         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1499         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1500         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1501         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1502         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1503         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1504         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1505         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1506         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1507         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1508         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1509         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1510         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1511         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1512         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1513         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1514         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1515         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1516         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1517         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1518         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1519         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1520         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1521         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1522         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1523         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1524         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1525         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1526         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1527         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1528         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1529         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1530         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1531         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1532         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1533         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1534         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1535         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1536         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1537         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1538         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1539         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1540         { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1541         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1542         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1543         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1544         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1545         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1546         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1547         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1548         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1549         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1550         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1551         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1552         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1553         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1554         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1555         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1556         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1557         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1558         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1559         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1560         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1561         { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1562         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1563         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1564         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1565         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1566         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1567         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1568         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1569         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1570         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1571         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1572         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1573         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1574         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1575
1576         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1577         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1578         { }
1579 };
1580
1581 struct hid_dynid {
1582         struct list_head list;
1583         struct hid_device_id id;
1584 };
1585
1586 /**
1587  * store_new_id - add a new HID device ID to this driver and re-probe devices
1588  * @driver: target device driver
1589  * @buf: buffer for scanning device ID data
1590  * @count: input size
1591  *
1592  * Adds a new dynamic hid device ID to this driver,
1593  * and causes the driver to probe for all devices again.
1594  */
1595 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1596                 size_t count)
1597 {
1598         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1599         struct hid_dynid *dynid;
1600         __u32 bus, vendor, product;
1601         unsigned long driver_data = 0;
1602         int ret;
1603
1604         ret = sscanf(buf, "%x %x %x %lx",
1605                         &bus, &vendor, &product, &driver_data);
1606         if (ret < 3)
1607                 return -EINVAL;
1608
1609         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1610         if (!dynid)
1611                 return -ENOMEM;
1612
1613         dynid->id.bus = bus;
1614         dynid->id.vendor = vendor;
1615         dynid->id.product = product;
1616         dynid->id.driver_data = driver_data;
1617
1618         spin_lock(&hdrv->dyn_lock);
1619         list_add_tail(&dynid->list, &hdrv->dyn_list);
1620         spin_unlock(&hdrv->dyn_lock);
1621
1622         ret = 0;
1623         if (get_driver(&hdrv->driver)) {
1624                 ret = driver_attach(&hdrv->driver);
1625                 put_driver(&hdrv->driver);
1626         }
1627
1628         return ret ? : count;
1629 }
1630 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1631
1632 static void hid_free_dynids(struct hid_driver *hdrv)
1633 {
1634         struct hid_dynid *dynid, *n;
1635
1636         spin_lock(&hdrv->dyn_lock);
1637         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1638                 list_del(&dynid->list);
1639                 kfree(dynid);
1640         }
1641         spin_unlock(&hdrv->dyn_lock);
1642 }
1643
1644 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1645                 struct hid_driver *hdrv)
1646 {
1647         struct hid_dynid *dynid;
1648
1649         spin_lock(&hdrv->dyn_lock);
1650         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1651                 if (hid_match_one_id(hdev, &dynid->id)) {
1652                         spin_unlock(&hdrv->dyn_lock);
1653                         return &dynid->id;
1654                 }
1655         }
1656         spin_unlock(&hdrv->dyn_lock);
1657
1658         return hid_match_id(hdev, hdrv->id_table);
1659 }
1660
1661 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1662 {
1663         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1664         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1665
1666         if (!hid_match_device(hdev, hdrv))
1667                 return 0;
1668
1669         /* generic wants all that don't have specialized driver */
1670         if (!strncmp(hdrv->name, "generic-", 8))
1671                 return !hid_match_id(hdev, hid_have_special_driver);
1672
1673         return 1;
1674 }
1675
1676 static int hid_device_probe(struct device *dev)
1677 {
1678         struct hid_driver *hdrv = container_of(dev->driver,
1679                         struct hid_driver, driver);
1680         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1681         const struct hid_device_id *id;
1682         int ret = 0;
1683
1684         if (down_interruptible(&hdev->driver_lock))
1685                 return -EINTR;
1686
1687         if (!hdev->driver) {
1688                 id = hid_match_device(hdev, hdrv);
1689                 if (id == NULL) {
1690                         ret = -ENODEV;
1691                         goto unlock;
1692                 }
1693
1694                 hdev->driver = hdrv;
1695                 if (hdrv->probe) {
1696                         ret = hdrv->probe(hdev, id);
1697                 } else { /* default probe */
1698                         ret = hid_parse(hdev);
1699                         if (!ret)
1700                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1701                 }
1702                 if (ret)
1703                         hdev->driver = NULL;
1704         }
1705 unlock:
1706         up(&hdev->driver_lock);
1707         return ret;
1708 }
1709
1710 static int hid_device_remove(struct device *dev)
1711 {
1712         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1713         struct hid_driver *hdrv;
1714
1715         if (down_interruptible(&hdev->driver_lock))
1716                 return -EINTR;
1717
1718         hdrv = hdev->driver;
1719         if (hdrv) {
1720                 if (hdrv->remove)
1721                         hdrv->remove(hdev);
1722                 else /* default remove */
1723                         hid_hw_stop(hdev);
1724                 hdev->driver = NULL;
1725         }
1726
1727         up(&hdev->driver_lock);
1728         return 0;
1729 }
1730
1731 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1732 {
1733         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1734
1735         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1736                         hdev->bus, hdev->vendor, hdev->product))
1737                 return -ENOMEM;
1738
1739         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1740                 return -ENOMEM;
1741
1742         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1743                 return -ENOMEM;
1744
1745         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1746                 return -ENOMEM;
1747
1748         if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1749                         hdev->bus, hdev->vendor, hdev->product))
1750                 return -ENOMEM;
1751
1752         return 0;
1753 }
1754
1755 static struct bus_type hid_bus_type = {
1756         .name           = "hid",
1757         .match          = hid_bus_match,
1758         .probe          = hid_device_probe,
1759         .remove         = hid_device_remove,
1760         .uevent         = hid_uevent,
1761 };
1762
1763 /* a list of devices that shouldn't be handled by HID core at all */
1764 static const struct hid_device_id hid_ignore_list[] = {
1765         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1766         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1767         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1768         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1769         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1770         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1771         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1772         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1773         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1774         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1775         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1776         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1778         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1779         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1801         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1802         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1807         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1855         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1861         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
1925         { }
1926 };
1927
1928 /**
1929  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
1930  *
1931  * There are composite devices for which we want to ignore only a certain
1932  * interface. This is a list of devices for which only the mouse interface will
1933  * be ignored. This allows a dedicated driver to take care of the interface.
1934  */
1935 static const struct hid_device_id hid_mouse_ignore_list[] = {
1936         /* appletouch driver */
1937         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1980         { }
1981 };
1982
1983 static bool hid_ignore(struct hid_device *hdev)
1984 {
1985         switch (hdev->vendor) {
1986         case USB_VENDOR_ID_CODEMERCS:
1987                 /* ignore all Code Mercenaries IOWarrior devices */
1988                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
1989                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
1990                         return true;
1991                 break;
1992         case USB_VENDOR_ID_LOGITECH:
1993                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
1994                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
1995                         return true;
1996                 break;
1997         case USB_VENDOR_ID_SOUNDGRAPH:
1998                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
1999                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2000                         return true;
2001                 break;
2002         case USB_VENDOR_ID_HANWANG:
2003                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2004                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2005                         return true;
2006                 break;
2007         case USB_VENDOR_ID_JESS:
2008                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2009                                 hdev->type == HID_TYPE_USBNONE)
2010                         return true;
2011         break;
2012         }
2013
2014         if (hdev->type == HID_TYPE_USBMOUSE &&
2015                         hid_match_id(hdev, hid_mouse_ignore_list))
2016                 return true;
2017
2018         return !!hid_match_id(hdev, hid_ignore_list);
2019 }
2020
2021 int hid_add_device(struct hid_device *hdev)
2022 {
2023         static atomic_t id = ATOMIC_INIT(0);
2024         int ret;
2025
2026         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2027                 return -EBUSY;
2028
2029         /* we need to kill them here, otherwise they will stay allocated to
2030          * wait for coming driver */
2031         if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2032             && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2033                 return -ENODEV;
2034
2035         /* XXX hack, any other cleaner solution after the driver core
2036          * is converted to allow more than 20 bytes as the device name? */
2037         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2038                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2039
2040         hid_debug_register(hdev, dev_name(&hdev->dev));
2041         ret = device_add(&hdev->dev);
2042         if (!ret)
2043                 hdev->status |= HID_STAT_ADDED;
2044         else
2045                 hid_debug_unregister(hdev);
2046
2047         return ret;
2048 }
2049 EXPORT_SYMBOL_GPL(hid_add_device);
2050
2051 /**
2052  * hid_allocate_device - allocate new hid device descriptor
2053  *
2054  * Allocate and initialize hid device, so that hid_destroy_device might be
2055  * used to free it.
2056  *
2057  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2058  * error value.
2059  */
2060 struct hid_device *hid_allocate_device(void)
2061 {
2062         struct hid_device *hdev;
2063         unsigned int i;
2064         int ret = -ENOMEM;
2065
2066         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2067         if (hdev == NULL)
2068                 return ERR_PTR(ret);
2069
2070         device_initialize(&hdev->dev);
2071         hdev->dev.release = hid_device_release;
2072         hdev->dev.bus = &hid_bus_type;
2073
2074         hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2075                         sizeof(struct hid_collection), GFP_KERNEL);
2076         if (hdev->collection == NULL)
2077                 goto err;
2078         hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2079
2080         for (i = 0; i < HID_REPORT_TYPES; i++)
2081                 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2082
2083         init_waitqueue_head(&hdev->debug_wait);
2084         INIT_LIST_HEAD(&hdev->debug_list);
2085         sema_init(&hdev->driver_lock, 1);
2086
2087         return hdev;
2088 err:
2089         put_device(&hdev->dev);
2090         return ERR_PTR(ret);
2091 }
2092 EXPORT_SYMBOL_GPL(hid_allocate_device);
2093
2094 static void hid_remove_device(struct hid_device *hdev)
2095 {
2096         if (hdev->status & HID_STAT_ADDED) {
2097                 device_del(&hdev->dev);
2098                 hid_debug_unregister(hdev);
2099                 hdev->status &= ~HID_STAT_ADDED;
2100         }
2101 }
2102
2103 /**
2104  * hid_destroy_device - free previously allocated device
2105  *
2106  * @hdev: hid device
2107  *
2108  * If you allocate hid_device through hid_allocate_device, you should ever
2109  * free by this function.
2110  */
2111 void hid_destroy_device(struct hid_device *hdev)
2112 {
2113         hid_remove_device(hdev);
2114         put_device(&hdev->dev);
2115 }
2116 EXPORT_SYMBOL_GPL(hid_destroy_device);
2117
2118 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2119                 const char *mod_name)
2120 {
2121         int ret;
2122
2123         hdrv->driver.name = hdrv->name;
2124         hdrv->driver.bus = &hid_bus_type;
2125         hdrv->driver.owner = owner;
2126         hdrv->driver.mod_name = mod_name;
2127
2128         INIT_LIST_HEAD(&hdrv->dyn_list);
2129         spin_lock_init(&hdrv->dyn_lock);
2130
2131         ret = driver_register(&hdrv->driver);
2132         if (ret)
2133                 return ret;
2134
2135         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2136         if (ret)
2137                 driver_unregister(&hdrv->driver);
2138
2139         return ret;
2140 }
2141 EXPORT_SYMBOL_GPL(__hid_register_driver);
2142
2143 void hid_unregister_driver(struct hid_driver *hdrv)
2144 {
2145         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2146         driver_unregister(&hdrv->driver);
2147         hid_free_dynids(hdrv);
2148 }
2149 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2150
2151 int hid_check_keys_pressed(struct hid_device *hid)
2152 {
2153         struct hid_input *hidinput;
2154         int i;
2155
2156         if (!(hid->claimed & HID_CLAIMED_INPUT))
2157                 return 0;
2158
2159         list_for_each_entry(hidinput, &hid->inputs, list) {
2160                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2161                         if (hidinput->input->key[i])
2162                                 return 1;
2163         }
2164
2165         return 0;
2166 }
2167
2168 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2169
2170 static int __init hid_init(void)
2171 {
2172         int ret;
2173
2174         if (hid_debug)
2175                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2176                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2177
2178         ret = bus_register(&hid_bus_type);
2179         if (ret) {
2180                 pr_err("can't register hid bus\n");
2181                 goto err;
2182         }
2183
2184         ret = hidraw_init();
2185         if (ret)
2186                 goto err_bus;
2187
2188         hid_debug_init();
2189
2190         return 0;
2191 err_bus:
2192         bus_unregister(&hid_bus_type);
2193 err:
2194         return ret;
2195 }
2196
2197 static void __exit hid_exit(void)
2198 {
2199         hid_debug_exit();
2200         hidraw_exit();
2201         bus_unregister(&hid_bus_type);
2202 }
2203
2204 module_init(hid_init);
2205 module_exit(hid_exit);
2206
2207 MODULE_AUTHOR("Andreas Gal");
2208 MODULE_AUTHOR("Vojtech Pavlik");
2209 MODULE_AUTHOR("Jiri Kosina");
2210 MODULE_LICENSE(DRIVER_LICENSE);
2211