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) 2006-2012 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 static int hid_ignore_special_drivers = 0;
  54 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
  55 MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
  56
  57 /*
  58  * Register a new report for a device.
  59  */
  60
  61 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
  62 {
  63         struct hid_report_enum *report_enum = device->report_enum + type;
  64         struct hid_report *report;
  65
  66         if (id >= HID_MAX_IDS)
  67                 return NULL;
  68         if (report_enum->report_id_hash[id])
  69                 return report_enum->report_id_hash[id];
  70
  71         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
  72         if (!report)
  73                 return NULL;
  74
  75         if (id != 0)
  76                 report_enum->numbered = 1;
  77
  78         report->id = id;
  79         report->type = type;
  80         report->size = 0;
  81         report->device = device;
  82         report_enum->report_id_hash[id] = report;
  83
  84         list_add_tail(&report->list, &report_enum->report_list);
  85
  86         return report;
  87 }
  88 EXPORT_SYMBOL_GPL(hid_register_report);
  89
  90 /*
  91  * Register a new field for this report.
  92  */
  93
  94 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages)
  95 {
  96         struct hid_field *field;
  97
  98         if (report->maxfield == HID_MAX_FIELDS) {
  99                 hid_err(report->device, "too many fields in report\n");
 100                 return NULL;
 101         }
 102
 103         field = kzalloc((sizeof(struct hid_field) +
 104                          usages * sizeof(struct hid_usage) +
 105                          usages * sizeof(unsigned)), GFP_KERNEL);
 106         if (!field)
 107                 return NULL;
 108
 109         field->index = report->maxfield++;
 110         report->field[field->index] = field;
 111         field->usage = (struct hid_usage *)(field + 1);
 112         field->value = (s32 *)(field->usage + usages);
 113         field->report = report;
 114
 115         return field;
 116 }
 117
 118 /*
 119  * Open a collection. The type/usage is pushed on the stack.
 120  */
 121
 122 static int open_collection(struct hid_parser *parser, unsigned type)
 123 {
 124         struct hid_collection *collection;
 125         unsigned usage;
 126
 127         usage = parser->local.usage[0];
 128
 129         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
 130                 hid_err(parser->device, "collection stack overflow\n");
 131                 return -EINVAL;
 132         }
 133
 134         if (parser->device->maxcollection == parser->device->collection_size) {
 135                 collection = kmalloc(sizeof(struct hid_collection) *
 136                                 parser->device->collection_size * 2, GFP_KERNEL);
 137                 if (collection == NULL) {
 138                         hid_err(parser->device, "failed to reallocate collection array\n");
 139                         return -ENOMEM;
 140                 }
 141                 memcpy(collection, parser->device->collection,
 142                         sizeof(struct hid_collection) *
 143                         parser->device->collection_size);
 144                 memset(collection + parser->device->collection_size, 0,
 145                         sizeof(struct hid_collection) *
 146                         parser->device->collection_size);
 147                 kfree(parser->device->collection);
 148                 parser->device->collection = collection;
 149                 parser->device->collection_size *= 2;
 150         }
 151
 152         parser->collection_stack[parser->collection_stack_ptr++] =
 153                 parser->device->maxcollection;
 154
 155         collection = parser->device->collection +
 156                 parser->device->maxcollection++;
 157         collection->type = type;
 158         collection->usage = usage;
 159         collection->level = parser->collection_stack_ptr - 1;
 160
 161         if (type == HID_COLLECTION_APPLICATION)
 162                 parser->device->maxapplication++;
 163
 164         return 0;
 165 }
 166
 167 /*
 168  * Close a collection.
 169  */
 170
 171 static int close_collection(struct hid_parser *parser)
 172 {
 173         if (!parser->collection_stack_ptr) {
 174                 hid_err(parser->device, "collection stack underflow\n");
 175                 return -EINVAL;
 176         }
 177         parser->collection_stack_ptr--;
 178         return 0;
 179 }
 180
 181 /*
 182  * Climb up the stack, search for the specified collection type
 183  * and return the usage.
 184  */
 185
 186 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
 187 {
 188         struct hid_collection *collection = parser->device->collection;
 189         int n;
 190
 191         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
 192                 unsigned index = parser->collection_stack[n];
 193                 if (collection[index].type == type)
 194                         return collection[index].usage;
 195         }
 196         return 0; /* we know nothing about this usage type */
 197 }
 198
 199 /*
 200  * Concatenate usage which defines 16 bits or less with the
 201  * currently defined usage page to form a 32 bit usage
 202  */
 203
 204 static void complete_usage(struct hid_parser *parser, unsigned int index)
 205 {
 206         parser->local.usage[index] &= 0xFFFF;
 207         parser->local.usage[index] |=
 208                 (parser->global.usage_page & 0xFFFF) << 16;
 209 }
 210
 211 /*
 212  * Add a usage to the temporary parser table.
 213  */
 214
 215 static int hid_add_usage(struct hid_parser *parser, unsigned usage, u8 size)
 216 {
 217         if (parser->local.usage_index >= HID_MAX_USAGES) {
 218                 hid_err(parser->device, "usage index exceeded\n");
 219                 return -1;
 220         }
 221         parser->local.usage[parser->local.usage_index] = usage;
 222
 223         /*
 224          * If Usage item only includes usage id, concatenate it with
 225          * currently defined usage page
 226          */
 227         if (size <= 2)
 228                 complete_usage(parser, parser->local.usage_index);
 229
 230         parser->local.usage_size[parser->local.usage_index] = size;
 231         parser->local.collection_index[parser->local.usage_index] =
 232                 parser->collection_stack_ptr ?
 233                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
 234         parser->local.usage_index++;
 235         return 0;
 236 }
 237
 238 /*
 239  * Register a new field for this report.
 240  */
 241
 242 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
 243 {
 244         struct hid_report *report;
 245         struct hid_field *field;
 246         unsigned usages;
 247         unsigned offset;
 248         unsigned i;
 249
 250         report = hid_register_report(parser->device, report_type, parser->global.report_id);
 251         if (!report) {
 252                 hid_err(parser->device, "hid_register_report failed\n");
 253                 return -1;
 254         }
 255
 256         /* Handle both signed and unsigned cases properly */
 257         if ((parser->global.logical_minimum < 0 &&
 258                 parser->global.logical_maximum <
 259                 parser->global.logical_minimum) ||
 260                 (parser->global.logical_minimum >= 0 &&
 261                 (__u32)parser->global.logical_maximum <
 262                 (__u32)parser->global.logical_minimum)) {
 263                 dbg_hid("logical range invalid 0x%x 0x%x\n",
 264                         parser->global.logical_minimum,
 265                         parser->global.logical_maximum);
 266                 return -1;
 267         }
 268
 269         offset = report->size;
 270         report->size += parser->global.report_size * parser->global.report_count;
 271
 272         /* Total size check: Allow for possible report index byte */
 273         if (report->size > (HID_MAX_BUFFER_SIZE - 1) << 3) {
 274                 hid_err(parser->device, "report is too long\n");
 275                 return -1;
 276         }
 277
 278         if (!parser->local.usage_index) /* Ignore padding fields */
 279                 return 0;
 280
 281         usages = max_t(unsigned, parser->local.usage_index,
 282                                  parser->global.report_count);
 283
 284         field = hid_register_field(report, usages);
 285         if (!field)
 286                 return 0;
 287
 288         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
 289         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
 290         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 291
 292         for (i = 0; i < usages; i++) {
 293                 unsigned j = i;
 294                 /* Duplicate the last usage we parsed if we have excess values */
 295                 if (i >= parser->local.usage_index)
 296                         j = parser->local.usage_index - 1;
 297                 field->usage[i].hid = parser->local.usage[j];
 298                 field->usage[i].collection_index =
 299                         parser->local.collection_index[j];
 300                 field->usage[i].usage_index = i;
 301         }
 302
 303         field->maxusage = usages;
 304         field->flags = flags;
 305         field->report_offset = offset;
 306         field->report_type = report_type;
 307         field->report_size = parser->global.report_size;
 308         field->report_count = parser->global.report_count;
 309         field->logical_minimum = parser->global.logical_minimum;
 310         field->logical_maximum = parser->global.logical_maximum;
 311         field->physical_minimum = parser->global.physical_minimum;
 312         field->physical_maximum = parser->global.physical_maximum;
 313         field->unit_exponent = parser->global.unit_exponent;
 314         field->unit = parser->global.unit;
 315
 316         return 0;
 317 }
 318
 319 /*
 320  * Read data value from item.
 321  */
 322
 323 static u32 item_udata(struct hid_item *item)
 324 {
 325         switch (item->size) {
 326         case 1: return item->data.u8;
 327         case 2: return item->data.u16;
 328         case 4: return item->data.u32;
 329         }
 330         return 0;
 331 }
 332
 333 static s32 item_sdata(struct hid_item *item)
 334 {
 335         switch (item->size) {
 336         case 1: return item->data.s8;
 337         case 2: return item->data.s16;
 338         case 4: return item->data.s32;
 339         }
 340         return 0;
 341 }
 342
 343 /*
 344  * Process a global item.
 345  */
 346
 347 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 348 {
 349         __s32 raw_value;
 350         switch (item->tag) {
 351         case HID_GLOBAL_ITEM_TAG_PUSH:
 352
 353                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
 354                         hid_err(parser->device, "global environment stack overflow\n");
 355                         return -1;
 356                 }
 357
 358                 memcpy(parser->global_stack + parser->global_stack_ptr++,
 359                         &parser->global, sizeof(struct hid_global));
 360                 return 0;
 361
 362         case HID_GLOBAL_ITEM_TAG_POP:
 363
 364                 if (!parser->global_stack_ptr) {
 365                         hid_err(parser->device, "global environment stack underflow\n");
 366                         return -1;
 367                 }
 368
 369                 memcpy(&parser->global, parser->global_stack +
 370                         --parser->global_stack_ptr, sizeof(struct hid_global));
 371                 return 0;
 372
 373         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
 374                 parser->global.usage_page = item_udata(item);
 375                 return 0;
 376
 377         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
 378                 parser->global.logical_minimum = item_sdata(item);
 379                 return 0;
 380
 381         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
 382                 if (parser->global.logical_minimum < 0)
 383                         parser->global.logical_maximum = item_sdata(item);
 384                 else
 385                         parser->global.logical_maximum = item_udata(item);
 386                 return 0;
 387
 388         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
 389                 parser->global.physical_minimum = item_sdata(item);
 390                 return 0;
 391
 392         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
 393                 if (parser->global.physical_minimum < 0)
 394                         parser->global.physical_maximum = item_sdata(item);
 395                 else
 396                         parser->global.physical_maximum = item_udata(item);
 397                 return 0;
 398
 399         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
 400                 /* Many devices provide unit exponent as a two's complement
 401                  * nibble due to the common misunderstanding of HID
 402                  * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
 403                  * both this and the standard encoding. */
 404                 raw_value = item_sdata(item);
 405                 if (!(raw_value & 0xfffffff0))
 406                         parser->global.unit_exponent = hid_snto32(raw_value, 4);
 407                 else
 408                         parser->global.unit_exponent = raw_value;
 409                 return 0;
 410
 411         case HID_GLOBAL_ITEM_TAG_UNIT:
 412                 parser->global.unit = item_udata(item);
 413                 return 0;
 414
 415         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 416                 parser->global.report_size = item_udata(item);
 417                 if (parser->global.report_size > 128) {
 418                         hid_err(parser->device, "invalid report_size %d\n",
 419                                         parser->global.report_size);
 420                         return -1;
 421                 }
 422                 return 0;
 423
 424         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
 425                 parser->global.report_count = item_udata(item);
 426                 if (parser->global.report_count > HID_MAX_USAGES) {
 427                         hid_err(parser->device, "invalid report_count %d\n",
 428                                         parser->global.report_count);
 429                         return -1;
 430                 }
 431                 return 0;
 432
 433         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
 434                 parser->global.report_id = item_udata(item);
 435                 if (parser->global.report_id == 0 ||
 436                     parser->global.report_id >= HID_MAX_IDS) {
 437                         hid_err(parser->device, "report_id %u is invalid\n",
 438                                 parser->global.report_id);
 439                         return -1;
 440                 }
 441                 return 0;
 442
 443         default:
 444                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
 445                 return -1;
 446         }
 447 }
 448
 449 /*
 450  * Process a local item.
 451  */
 452
 453 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
 454 {
 455         __u32 data;
 456         unsigned n;
 457         __u32 count;
 458
 459         data = item_udata(item);
 460
 461         switch (item->tag) {
 462         case HID_LOCAL_ITEM_TAG_DELIMITER:
 463
 464                 if (data) {
 465                         /*
 466                          * We treat items before the first delimiter
 467                          * as global to all usage sets (branch 0).
 468                          * In the moment we process only these global
 469                          * items and the first delimiter set.
 470                          */
 471                         if (parser->local.delimiter_depth != 0) {
 472                                 hid_err(parser->device, "nested delimiters\n");
 473                                 return -1;
 474                         }
 475                         parser->local.delimiter_depth++;
 476                         parser->local.delimiter_branch++;
 477                 } else {
 478                         if (parser->local.delimiter_depth < 1) {
 479                                 hid_err(parser->device, "bogus close delimiter\n");
 480                                 return -1;
 481                         }
 482                         parser->local.delimiter_depth--;
 483                 }
 484                 return 0;
 485
 486         case HID_LOCAL_ITEM_TAG_USAGE:
 487
 488                 if (parser->local.delimiter_branch > 1) {
 489                         dbg_hid("alternative usage ignored\n");
 490                         return 0;
 491                 }
 492
 493                 return hid_add_usage(parser, data, item->size);
 494
 495         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
 496
 497                 if (parser->local.delimiter_branch > 1) {
 498                         dbg_hid("alternative usage ignored\n");
 499                         return 0;
 500                 }
 501
 502                 parser->local.usage_minimum = data;
 503                 return 0;
 504
 505         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
 506
 507                 if (parser->local.delimiter_branch > 1) {
 508                         dbg_hid("alternative usage ignored\n");
 509                         return 0;
 510                 }
 511
 512                 count = data - parser->local.usage_minimum;
 513                 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
 514                         /*
 515                          * We do not warn if the name is not set, we are
 516                          * actually pre-scanning the device.
 517                          */
 518                         if (dev_name(&parser->device->dev))
 519                                 hid_warn(parser->device,
 520                                          "ignoring exceeding usage max\n");
 521                         data = HID_MAX_USAGES - parser->local.usage_index +
 522                                 parser->local.usage_minimum - 1;
 523                         if (data <= 0) {
 524                                 hid_err(parser->device,
 525                                         "no more usage index available\n");
 526                                 return -1;
 527                         }
 528                 }
 529
 530                 for (n = parser->local.usage_minimum; n <= data; n++)
 531                         if (hid_add_usage(parser, n, item->size)) {
 532                                 dbg_hid("hid_add_usage failed\n");
 533                                 return -1;
 534                         }
 535                 return 0;
 536
 537         default:
 538
 539                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
 540                 return 0;
 541         }
 542         return 0;
 543 }
 544
 545 /*
 546  * Concatenate Usage Pages into Usages where relevant:
 547  * As per specification, 6.2.2.8: "When the parser encounters a main item it
 548  * concatenates the last declared Usage Page with a Usage to form a complete
 549  * usage value."
 550  */
 551
 552 static void hid_concatenate_last_usage_page(struct hid_parser *parser)
 553 {
 554         int i;
 555         unsigned int usage_page;
 556         unsigned int current_page;
 557
 558         if (!parser->local.usage_index)
 559                 return;
 560
 561         usage_page = parser->global.usage_page;
 562
 563         /*
 564          * Concatenate usage page again only if last declared Usage Page
 565          * has not been already used in previous usages concatenation
 566          */
 567         for (i = parser->local.usage_index - 1; i >= 0; i--) {
 568                 if (parser->local.usage_size[i] > 2)
 569                         /* Ignore extended usages */
 570                         continue;
 571
 572                 current_page = parser->local.usage[i] >> 16;
 573                 if (current_page == usage_page)
 574                         break;
 575
 576                 complete_usage(parser, i);
 577         }
 578 }
 579
 580 /*
 581  * Process a main item.
 582  */
 583
 584 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
 585 {
 586         __u32 data;
 587         int ret;
 588
 589         hid_concatenate_last_usage_page(parser);
 590
 591         data = item_udata(item);
 592
 593         switch (item->tag) {
 594         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 595                 ret = open_collection(parser, data & 0xff);
 596                 break;
 597         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 598                 ret = close_collection(parser);
 599                 break;
 600         case HID_MAIN_ITEM_TAG_INPUT:
 601                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
 602                 break;
 603         case HID_MAIN_ITEM_TAG_OUTPUT:
 604                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
 605                 break;
 606         case HID_MAIN_ITEM_TAG_FEATURE:
 607                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
 608                 break;
 609         default:
 610                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
 611                 ret = 0;
 612         }
 613
 614         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
 615
 616         return ret;
 617 }
 618
 619 /*
 620  * Process a reserved item.
 621  */
 622
 623 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
 624 {
 625         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
 626         return 0;
 627 }
 628
 629 /*
 630  * Free a report and all registered fields. The field->usage and
 631  * field->value table's are allocated behind the field, so we need
 632  * only to free(field) itself.
 633  */
 634
 635 static void hid_free_report(struct hid_report *report)
 636 {
 637         unsigned n;
 638
 639         for (n = 0; n < report->maxfield; n++)
 640                 kfree(report->field[n]);
 641         kfree(report);
 642 }
 643
 644 /*
 645  * Close report. This function returns the device
 646  * state to the point prior to hid_open_report().
 647  */
 648 static void hid_close_report(struct hid_device *device)
 649 {
 650         unsigned i, j;
 651
 652         for (i = 0; i < HID_REPORT_TYPES; i++) {
 653                 struct hid_report_enum *report_enum = device->report_enum + i;
 654
 655                 for (j = 0; j < HID_MAX_IDS; j++) {
 656                         struct hid_report *report = report_enum->report_id_hash[j];
 657                         if (report)
 658                                 hid_free_report(report);
 659                 }
 660                 memset(report_enum, 0, sizeof(*report_enum));
 661                 INIT_LIST_HEAD(&report_enum->report_list);
 662         }
 663
 664         kfree(device->rdesc);
 665         device->rdesc = NULL;
 666         device->rsize = 0;
 667
 668         kfree(device->collection);
 669         device->collection = NULL;
 670         device->collection_size = 0;
 671         device->maxcollection = 0;
 672         device->maxapplication = 0;
 673
 674         device->status &= ~HID_STAT_PARSED;
 675 }
 676
 677 /*
 678  * Free a device structure, all reports, and all fields.
 679  */
 680
 681 static void hid_device_release(struct device *dev)
 682 {
 683         struct hid_device *hid = container_of(dev, struct hid_device, dev);
 684
 685         hid_close_report(hid);
 686         kfree(hid->dev_rdesc);
 687         kfree(hid);
 688 }
 689
 690 /*
 691  * Fetch a report description item from the data stream. We support long
 692  * items, though they are not used yet.
 693  */
 694
 695 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 696 {
 697         u8 b;
 698
 699         if ((end - start) <= 0)
 700                 return NULL;
 701
 702         b = *start++;
 703
 704         item->type = (b >> 2) & 3;
 705         item->tag  = (b >> 4) & 15;
 706
 707         if (item->tag == HID_ITEM_TAG_LONG) {
 708
 709                 item->format = HID_ITEM_FORMAT_LONG;
 710
 711                 if ((end - start) < 2)
 712                         return NULL;
 713
 714                 item->size = *start++;
 715                 item->tag  = *start++;
 716
 717                 if ((end - start) < item->size)
 718                         return NULL;
 719
 720                 item->data.longdata = start;
 721                 start += item->size;
 722                 return start;
 723         }
 724
 725         item->format = HID_ITEM_FORMAT_SHORT;
 726         item->size = b & 3;
 727
 728         switch (item->size) {
 729         case 0:
 730                 return start;
 731
 732         case 1:
 733                 if ((end - start) < 1)
 734                         return NULL;
 735                 item->data.u8 = *start++;
 736                 return start;
 737
 738         case 2:
 739                 if ((end - start) < 2)
 740                         return NULL;
 741                 item->data.u16 = get_unaligned_le16(start);
 742                 start = (__u8 *)((__le16 *)start + 1);
 743                 return start;
 744
 745         case 3:
 746                 item->size++;
 747                 if ((end - start) < 4)
 748                         return NULL;
 749                 item->data.u32 = get_unaligned_le32(start);
 750                 start = (__u8 *)((__le32 *)start + 1);
 751                 return start;
 752         }
 753
 754         return NULL;
 755 }
 756
 757 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
 758 {
 759         struct hid_device *hid = parser->device;
 760
 761         if (usage == HID_DG_CONTACTID)
 762                 hid->group = HID_GROUP_MULTITOUCH;
 763 }
 764
 765 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
 766 {
 767         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
 768             parser->global.report_size == 8)
 769                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
 770
 771         if (usage == 0xff0000c6 && parser->global.report_count == 1 &&
 772             parser->global.report_size == 8)
 773                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
 774 }
 775
 776 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
 777 {
 778         struct hid_device *hid = parser->device;
 779         int i;
 780
 781         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
 782             type == HID_COLLECTION_PHYSICAL)
 783                 hid->group = HID_GROUP_SENSOR_HUB;
 784
 785         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
 786             (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
 787              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2 ||
 788              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
 789              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
 790              hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
 791             hid->group == HID_GROUP_MULTITOUCH)
 792                 hid->group = HID_GROUP_GENERIC;
 793
 794         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
 795                 for (i = 0; i < parser->local.usage_index; i++)
 796                         if (parser->local.usage[i] == HID_GD_POINTER)
 797                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
 798
 799         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
 800                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
 801 }
 802
 803 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
 804 {
 805         __u32 data;
 806         int i;
 807
 808         hid_concatenate_last_usage_page(parser);
 809
 810         data = item_udata(item);
 811
 812         switch (item->tag) {
 813         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 814                 hid_scan_collection(parser, data & 0xff);
 815                 break;
 816         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 817                 break;
 818         case HID_MAIN_ITEM_TAG_INPUT:
 819                 /* ignore constant inputs, they will be ignored by hid-input */
 820                 if (data & HID_MAIN_ITEM_CONSTANT)
 821                         break;
 822                 for (i = 0; i < parser->local.usage_index; i++)
 823                         hid_scan_input_usage(parser, parser->local.usage[i]);
 824                 break;
 825         case HID_MAIN_ITEM_TAG_OUTPUT:
 826                 break;
 827         case HID_MAIN_ITEM_TAG_FEATURE:
 828                 for (i = 0; i < parser->local.usage_index; i++)
 829                         hid_scan_feature_usage(parser, parser->local.usage[i]);
 830                 break;
 831         }
 832
 833         /* Reset the local parser environment */
 834         memset(&parser->local, 0, sizeof(parser->local));
 835
 836         return 0;
 837 }
 838
 839 /*
 840  * Scan a report descriptor before the device is added to the bus.
 841  * Sets device groups and other properties that determine what driver
 842  * to load.
 843  */
 844 static int hid_scan_report(struct hid_device *hid)
 845 {
 846         struct hid_parser *parser;
 847         struct hid_item item;
 848         __u8 *start = hid->dev_rdesc;
 849         __u8 *end = start + hid->dev_rsize;
 850         static int (*dispatch_type[])(struct hid_parser *parser,
 851                                       struct hid_item *item) = {
 852                 hid_scan_main,
 853                 hid_parser_global,
 854                 hid_parser_local,
 855                 hid_parser_reserved
 856         };
 857
 858         parser = vzalloc(sizeof(struct hid_parser));
 859         if (!parser)
 860                 return -ENOMEM;
 861
 862         parser->device = hid;
 863         hid->group = HID_GROUP_GENERIC;
 864
 865         /*
 866          * The parsing is simpler than the one in hid_open_report() as we should
 867          * be robust against hid errors. Those errors will be raised by
 868          * hid_open_report() anyway.
 869          */
 870         while ((start = fetch_item(start, end, &item)) != NULL)
 871                 dispatch_type[item.type](parser, &item);
 872
 873         /*
 874          * Handle special flags set during scanning.
 875          */
 876         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
 877             (hid->group == HID_GROUP_MULTITOUCH))
 878                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
 879
 880         /*
 881          * Vendor specific handlings
 882          */
 883         switch (hid->vendor) {
 884         case USB_VENDOR_ID_WACOM:
 885                 hid->group = HID_GROUP_WACOM;
 886                 break;
 887         case USB_VENDOR_ID_SYNAPTICS:
 888                 if (hid->group == HID_GROUP_GENERIC)
 889                         if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
 890                             && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
 891                                 /*
 892                                  * hid-rmi should take care of them,
 893                                  * not hid-generic
 894                                  */
 895                                 hid->group = HID_GROUP_RMI;
 896                 break;
 897         }
 898
 899         vfree(parser);
 900         return 0;
 901 }
 902
 903 /**
 904  * hid_parse_report - parse device report
 905  *
 906  * @device: hid device
 907  * @start: report start
 908  * @size: report size
 909  *
 910  * Allocate the device report as read by the bus driver. This function should
 911  * only be called from parse() in ll drivers.
 912  */
 913 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
 914 {
 915         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
 916         if (!hid->dev_rdesc)
 917                 return -ENOMEM;
 918         hid->dev_rsize = size;
 919         return 0;
 920 }
 921 EXPORT_SYMBOL_GPL(hid_parse_report);
 922
 923 static const char * const hid_report_names[] = {
 924         "HID_INPUT_REPORT",
 925         "HID_OUTPUT_REPORT",
 926         "HID_FEATURE_REPORT",
 927 };
 928 /**
 929  * hid_validate_values - validate existing device report's value indexes
 930  *
 931  * @device: hid device
 932  * @type: which report type to examine
 933  * @id: which report ID to examine (0 for first)
 934  * @field_index: which report field to examine
 935  * @report_counts: expected number of values
 936  *
 937  * Validate the number of values in a given field of a given report, after
 938  * parsing.
 939  */
 940 struct hid_report *hid_validate_values(struct hid_device *hid,
 941                                        unsigned int type, unsigned int id,
 942                                        unsigned int field_index,
 943                                        unsigned int report_counts)
 944 {
 945         struct hid_report *report;
 946
 947         if (type > HID_FEATURE_REPORT) {
 948                 hid_err(hid, "invalid HID report type %u\n", type);
 949                 return NULL;
 950         }
 951
 952         if (id >= HID_MAX_IDS) {
 953                 hid_err(hid, "invalid HID report id %u\n", id);
 954                 return NULL;
 955         }
 956
 957         /*
 958          * Explicitly not using hid_get_report() here since it depends on
 959          * ->numbered being checked, which may not always be the case when
 960          * drivers go to access report values.
 961          */
 962         if (id == 0) {
 963                 /*
 964                  * Validating on id 0 means we should examine the first
 965                  * report in the list.
 966                  */
 967                 report = list_entry(
 968                                 hid->report_enum[type].report_list.next,
 969                                 struct hid_report, list);
 970         } else {
 971                 report = hid->report_enum[type].report_id_hash[id];
 972         }
 973         if (!report) {
 974                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
 975                 return NULL;
 976         }
 977         if (report->maxfield <= field_index) {
 978                 hid_err(hid, "not enough fields in %s %u\n",
 979                         hid_report_names[type], id);
 980                 return NULL;
 981         }
 982         if (report->field[field_index]->report_count < report_counts) {
 983                 hid_err(hid, "not enough values in %s %u field %u\n",
 984                         hid_report_names[type], id, field_index);
 985                 return NULL;
 986         }
 987         return report;
 988 }
 989 EXPORT_SYMBOL_GPL(hid_validate_values);
 990
 991 /**
 992  * hid_open_report - open a driver-specific device report
 993  *
 994  * @device: hid device
 995  *
 996  * Parse a report description into a hid_device structure. Reports are
 997  * enumerated, fields are attached to these reports.
 998  * 0 returned on success, otherwise nonzero error value.
 999  *
1000  * This function (or the equivalent hid_parse() macro) should only be
1001  * called from probe() in drivers, before starting the device.
1002  */
1003 int hid_open_report(struct hid_device *device)
1004 {
1005         struct hid_parser *parser;
1006         struct hid_item item;
1007         unsigned int size;
1008         __u8 *start;
1009         __u8 *buf;
1010         __u8 *end;
1011         __u8 *next;
1012         int ret;
1013         static int (*dispatch_type[])(struct hid_parser *parser,
1014                                       struct hid_item *item) = {
1015                 hid_parser_main,
1016                 hid_parser_global,
1017                 hid_parser_local,
1018                 hid_parser_reserved
1019         };
1020
1021         if (WARN_ON(device->status & HID_STAT_PARSED))
1022                 return -EBUSY;
1023
1024         start = device->dev_rdesc;
1025         if (WARN_ON(!start))
1026                 return -ENODEV;
1027         size = device->dev_rsize;
1028
1029         buf = kmemdup(start, size, GFP_KERNEL);
1030         if (buf == NULL)
1031                 return -ENOMEM;
1032
1033         if (device->driver->report_fixup)
1034                 start = device->driver->report_fixup(device, buf, &size);
1035         else
1036                 start = buf;
1037
1038         start = kmemdup(start, size, GFP_KERNEL);
1039         kfree(buf);
1040         if (start == NULL)
1041                 return -ENOMEM;
1042
1043         device->rdesc = start;
1044         device->rsize = size;
1045
1046         parser = vzalloc(sizeof(struct hid_parser));
1047         if (!parser) {
1048                 ret = -ENOMEM;
1049                 goto err;
1050         }
1051
1052         parser->device = device;
1053
1054         end = start + size;
1055
1056         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
1057                                      sizeof(struct hid_collection), GFP_KERNEL);
1058         if (!device->collection) {
1059                 ret = -ENOMEM;
1060                 goto err;
1061         }
1062         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1063
1064         ret = -EINVAL;
1065         while ((next = fetch_item(start, end, &item)) != NULL) {
1066                 start = next;
1067
1068                 if (item.format != HID_ITEM_FORMAT_SHORT) {
1069                         hid_err(device, "unexpected long global item\n");
1070                         goto err;
1071                 }
1072
1073                 if (dispatch_type[item.type](parser, &item)) {
1074                         hid_err(device, "item %u %u %u %u parsing failed\n",
1075                                 item.format, (unsigned)item.size,
1076                                 (unsigned)item.type, (unsigned)item.tag);
1077                         goto err;
1078                 }
1079
1080                 if (start == end) {
1081                         if (parser->collection_stack_ptr) {
1082                                 hid_err(device, "unbalanced collection at end of report description\n");
1083                                 goto err;
1084                         }
1085                         if (parser->local.delimiter_depth) {
1086                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1087                                 goto err;
1088                         }
1089                         vfree(parser);
1090                         device->status |= HID_STAT_PARSED;
1091                         return 0;
1092                 }
1093         }
1094
1095         hid_err(device, "item fetching failed at offset %u/%u\n",
1096                 size - (unsigned int)(end - start), size);
1097 err:
1098         vfree(parser);
1099         hid_close_report(device);
1100         return ret;
1101 }
1102 EXPORT_SYMBOL_GPL(hid_open_report);
1103
1104 /*
1105  * Convert a signed n-bit integer to signed 32-bit integer. Common
1106  * cases are done through the compiler, the screwed things has to be
1107  * done by hand.
1108  */
1109
1110 static s32 snto32(__u32 value, unsigned n)
1111 {
1112         if (!value || !n)
1113                 return 0;
1114
1115         switch (n) {
1116         case 8:  return ((__s8)value);
1117         case 16: return ((__s16)value);
1118         case 32: return ((__s32)value);
1119         }
1120         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1121 }
1122
1123 s32 hid_snto32(__u32 value, unsigned n)
1124 {
1125         return snto32(value, n);
1126 }
1127 EXPORT_SYMBOL_GPL(hid_snto32);
1128
1129 /*
1130  * Convert a signed 32-bit integer to a signed n-bit integer.
1131  */
1132
1133 static u32 s32ton(__s32 value, unsigned n)
1134 {
1135         s32 a = value >> (n - 1);
1136         if (a && a != -1)
1137                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1138         return value & ((1 << n) - 1);
1139 }
1140
1141 /*
1142  * Extract/implement a data field from/to a little endian report (bit array).
1143  *
1144  * Code sort-of follows HID spec:
1145  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1146  *
1147  * While the USB HID spec allows unlimited length bit fields in "report
1148  * descriptors", most devices never use more than 16 bits.
1149  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1150  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1151  */
1152
1153 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
1154                      unsigned offset, unsigned n)
1155 {
1156         u64 x;
1157
1158         if (n > 32)
1159                 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1160                          n, current->comm);
1161
1162         report += offset >> 3;  /* adjust byte index */
1163         offset &= 7;            /* now only need bit offset into one byte */
1164         x = get_unaligned_le64(report);
1165         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1166         return (u32) x;
1167 }
1168 EXPORT_SYMBOL_GPL(hid_field_extract);
1169
1170 /*
1171  * "implement" : set bits in a little endian bit stream.
1172  * Same concepts as "extract" (see comments above).
1173  * The data mangled in the bit stream remains in little endian
1174  * order the whole time. It make more sense to talk about
1175  * endianness of register values by considering a register
1176  * a "cached" copy of the little endiad bit stream.
1177  */
1178 static void implement(const struct hid_device *hid, __u8 *report,
1179                       unsigned offset, unsigned n, __u32 value)
1180 {
1181         u64 x;
1182         u64 m = (1ULL << n) - 1;
1183
1184         if (n > 32)
1185                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1186                          __func__, n, current->comm);
1187
1188         if (value > m)
1189                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1190                          __func__, value, current->comm);
1191         WARN_ON(value > m);
1192         value &= m;
1193
1194         report += offset >> 3;
1195         offset &= 7;
1196
1197         x = get_unaligned_le64(report);
1198         x &= ~(m << offset);
1199         x |= ((u64)value) << offset;
1200         put_unaligned_le64(x, report);
1201 }
1202
1203 /*
1204  * Search an array for a value.
1205  */
1206
1207 static int search(__s32 *array, __s32 value, unsigned n)
1208 {
1209         while (n--) {
1210                 if (*array++ == value)
1211                         return 0;
1212         }
1213         return -1;
1214 }
1215
1216 /**
1217  * hid_match_report - check if driver's raw_event should be called
1218  *
1219  * @hid: hid device
1220  * @report_type: type to match against
1221  *
1222  * compare hid->driver->report_table->report_type to report->type
1223  */
1224 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1225 {
1226         const struct hid_report_id *id = hid->driver->report_table;
1227
1228         if (!id) /* NULL means all */
1229                 return 1;
1230
1231         for (; id->report_type != HID_TERMINATOR; id++)
1232                 if (id->report_type == HID_ANY_ID ||
1233                                 id->report_type == report->type)
1234                         return 1;
1235         return 0;
1236 }
1237
1238 /**
1239  * hid_match_usage - check if driver's event should be called
1240  *
1241  * @hid: hid device
1242  * @usage: usage to match against
1243  *
1244  * compare hid->driver->usage_table->usage_{type,code} to
1245  * usage->usage_{type,code}
1246  */
1247 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1248 {
1249         const struct hid_usage_id *id = hid->driver->usage_table;
1250
1251         if (!id) /* NULL means all */
1252                 return 1;
1253
1254         for (; id->usage_type != HID_ANY_ID - 1; id++)
1255                 if ((id->usage_hid == HID_ANY_ID ||
1256                                 id->usage_hid == usage->hid) &&
1257                                 (id->usage_type == HID_ANY_ID ||
1258                                 id->usage_type == usage->type) &&
1259                                 (id->usage_code == HID_ANY_ID ||
1260                                  id->usage_code == usage->code))
1261                         return 1;
1262         return 0;
1263 }
1264
1265 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1266                 struct hid_usage *usage, __s32 value, int interrupt)
1267 {
1268         struct hid_driver *hdrv = hid->driver;
1269         int ret;
1270
1271         if (!list_empty(&hid->debug_list))
1272                 hid_dump_input(hid, usage, value);
1273
1274         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1275                 ret = hdrv->event(hid, field, usage, value);
1276                 if (ret != 0) {
1277                         if (ret < 0)
1278                                 hid_err(hid, "%s's event failed with %d\n",
1279                                                 hdrv->name, ret);
1280                         return;
1281                 }
1282         }
1283
1284         if (hid->claimed & HID_CLAIMED_INPUT)
1285                 hidinput_hid_event(hid, field, usage, value);
1286         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1287                 hid->hiddev_hid_event(hid, field, usage, value);
1288 }
1289
1290 /*
1291  * Analyse a received field, and fetch the data from it. The field
1292  * content is stored for next report processing (we do differential
1293  * reporting to the layer).
1294  */
1295
1296 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1297                             __u8 *data, int interrupt)
1298 {
1299         unsigned n;
1300         unsigned count = field->report_count;
1301         unsigned offset = field->report_offset;
1302         unsigned size = field->report_size;
1303         __s32 min = field->logical_minimum;
1304         __s32 max = field->logical_maximum;
1305         __s32 *value;
1306
1307         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1308         if (!value)
1309                 return;
1310
1311         for (n = 0; n < count; n++) {
1312
1313                 value[n] = min < 0 ?
1314                         snto32(hid_field_extract(hid, data, offset + n * size,
1315                                size), size) :
1316                         hid_field_extract(hid, data, offset + n * size, size);
1317
1318                 /* Ignore report if ErrorRollOver */
1319                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1320                     value[n] >= min && value[n] <= max &&
1321                     value[n] - min < field->maxusage &&
1322                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1323                         goto exit;
1324         }
1325
1326         for (n = 0; n < count; n++) {
1327
1328                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1329                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1330                         continue;
1331                 }
1332
1333                 if (field->value[n] >= min && field->value[n] <= max
1334                         && field->value[n] - min < field->maxusage
1335                         && field->usage[field->value[n] - min].hid
1336                         && search(value, field->value[n], count))
1337                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1338
1339                 if (value[n] >= min && value[n] <= max
1340                         && value[n] - min < field->maxusage
1341                         && field->usage[value[n] - min].hid
1342                         && search(field->value, value[n], count))
1343                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1344         }
1345
1346         memcpy(field->value, value, count * sizeof(__s32));
1347 exit:
1348         kfree(value);
1349 }
1350
1351 /*
1352  * Output the field into the report.
1353  */
1354
1355 static void hid_output_field(const struct hid_device *hid,
1356                              struct hid_field *field, __u8 *data)
1357 {
1358         unsigned count = field->report_count;
1359         unsigned offset = field->report_offset;
1360         unsigned size = field->report_size;
1361         unsigned n;
1362
1363         for (n = 0; n < count; n++) {
1364                 if (field->logical_minimum < 0) /* signed values */
1365                         implement(hid, data, offset + n * size, size,
1366                                   s32ton(field->value[n], size));
1367                 else                            /* unsigned values */
1368                         implement(hid, data, offset + n * size, size,
1369                                   field->value[n]);
1370         }
1371 }
1372
1373 /*
1374  * Compute the size of a report.
1375  */
1376 static size_t hid_compute_report_size(struct hid_report *report)
1377 {
1378         if (report->size)
1379                 return ((report->size - 1) >> 3) + 1;
1380
1381         return 0;
1382 }
1383
1384 /*
1385  * Create a report. 'data' has to be allocated using
1386  * hid_alloc_report_buf() so that it has proper size.
1387  */
1388
1389 void hid_output_report(struct hid_report *report, __u8 *data)
1390 {
1391         unsigned n;
1392
1393         if (report->id > 0)
1394                 *data++ = report->id;
1395
1396         memset(data, 0, hid_compute_report_size(report));
1397         for (n = 0; n < report->maxfield; n++)
1398                 hid_output_field(report->device, report->field[n], data);
1399 }
1400 EXPORT_SYMBOL_GPL(hid_output_report);
1401
1402 /*
1403  * Allocator for buffer that is going to be passed to hid_output_report()
1404  */
1405 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1406 {
1407         /*
1408          * 7 extra bytes are necessary to achieve proper functionality
1409          * of implement() working on 8 byte chunks
1410          */
1411
1412         u32 len = hid_report_len(report) + 7;
1413
1414         return kmalloc(len, flags);
1415 }
1416 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1417
1418 /*
1419  * Set a field value. The report this field belongs to has to be
1420  * created and transferred to the device, to set this value in the
1421  * device.
1422  */
1423
1424 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1425 {
1426         unsigned size;
1427
1428         if (!field)
1429                 return -1;
1430
1431         size = field->report_size;
1432
1433         hid_dump_input(field->report->device, field->usage + offset, value);
1434
1435         if (offset >= field->report_count) {
1436                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1437                                 offset, field->report_count);
1438                 return -1;
1439         }
1440         if (field->logical_minimum < 0) {
1441                 if (value != snto32(s32ton(value, size), size)) {
1442                         hid_err(field->report->device, "value %d is out of range\n", value);
1443                         return -1;
1444                 }
1445         }
1446         field->value[offset] = value;
1447         return 0;
1448 }
1449 EXPORT_SYMBOL_GPL(hid_set_field);
1450
1451 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1452                 const u8 *data)
1453 {
1454         struct hid_report *report;
1455         unsigned int n = 0;     /* Normally report number is 0 */
1456
1457         /* Device uses numbered reports, data[0] is report number */
1458         if (report_enum->numbered)
1459                 n = *data;
1460
1461         report = report_enum->report_id_hash[n];
1462         if (report == NULL)
1463                 dbg_hid("undefined report_id %u received\n", n);
1464
1465         return report;
1466 }
1467
1468 /*
1469  * Implement a generic .request() callback, using .raw_request()
1470  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1471  */
1472 void __hid_request(struct hid_device *hid, struct hid_report *report,
1473                 int reqtype)
1474 {
1475         char *buf;
1476         int ret;
1477         u32 len;
1478
1479         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1480         if (!buf)
1481                 return;
1482
1483         len = hid_report_len(report);
1484
1485         if (reqtype == HID_REQ_SET_REPORT)
1486                 hid_output_report(report, buf);
1487
1488         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1489                                           report->type, reqtype);
1490         if (ret < 0) {
1491                 dbg_hid("unable to complete request: %d\n", ret);
1492                 goto out;
1493         }
1494
1495         if (reqtype == HID_REQ_GET_REPORT)
1496                 hid_input_report(hid, report->type, buf, ret, 0);
1497
1498 out:
1499         kfree(buf);
1500 }
1501 EXPORT_SYMBOL_GPL(__hid_request);
1502
1503 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
1504                 int interrupt)
1505 {
1506         struct hid_report_enum *report_enum = hid->report_enum + type;
1507         struct hid_report *report;
1508         struct hid_driver *hdrv;
1509         unsigned int a;
1510         u32 rsize, csize = size;
1511         u8 *cdata = data;
1512         int ret = 0;
1513
1514         report = hid_get_report(report_enum, data);
1515         if (!report)
1516                 goto out;
1517
1518         if (report_enum->numbered) {
1519                 cdata++;
1520                 csize--;
1521         }
1522
1523         rsize = hid_compute_report_size(report);
1524
1525         if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE)
1526                 rsize = HID_MAX_BUFFER_SIZE - 1;
1527         else if (rsize > HID_MAX_BUFFER_SIZE)
1528                 rsize = HID_MAX_BUFFER_SIZE;
1529
1530         if (csize < rsize) {
1531                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1532                                 csize, rsize);
1533                 memset(cdata + csize, 0, rsize - csize);
1534         }
1535
1536         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1537                 hid->hiddev_report_event(hid, report);
1538         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1539                 ret = hidraw_report_event(hid, data, size);
1540                 if (ret)
1541                         goto out;
1542         }
1543
1544         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1545                 for (a = 0; a < report->maxfield; a++)
1546                         hid_input_field(hid, report->field[a], cdata, interrupt);
1547                 hdrv = hid->driver;
1548                 if (hdrv && hdrv->report)
1549                         hdrv->report(hid, report);
1550         }
1551
1552         if (hid->claimed & HID_CLAIMED_INPUT)
1553                 hidinput_report_event(hid, report);
1554 out:
1555         return ret;
1556 }
1557 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1558
1559 /**
1560  * hid_input_report - report data from lower layer (usb, bt...)
1561  *
1562  * @hid: hid device
1563  * @type: HID report type (HID_*_REPORT)
1564  * @data: report contents
1565  * @size: size of data parameter
1566  * @interrupt: distinguish between interrupt and control transfers
1567  *
1568  * This is data entry for lower layers.
1569  */
1570 int hid_input_report(struct hid_device *hid, int type, u8 *data, u32 size, int interrupt)
1571 {
1572         struct hid_report_enum *report_enum;
1573         struct hid_driver *hdrv;
1574         struct hid_report *report;
1575         int ret = 0;
1576
1577         if (!hid)
1578                 return -ENODEV;
1579
1580         if (down_trylock(&hid->driver_input_lock))
1581                 return -EBUSY;
1582
1583         if (!hid->driver) {
1584                 ret = -ENODEV;
1585                 goto unlock;
1586         }
1587         report_enum = hid->report_enum + type;
1588         hdrv = hid->driver;
1589
1590         if (!size) {
1591                 dbg_hid("empty report\n");
1592                 ret = -1;
1593                 goto unlock;
1594         }
1595
1596         /* Avoid unnecessary overhead if debugfs is disabled */
1597         if (!list_empty(&hid->debug_list))
1598                 hid_dump_report(hid, type, data, size);
1599
1600         report = hid_get_report(report_enum, data);
1601
1602         if (!report) {
1603                 ret = -1;
1604                 goto unlock;
1605         }
1606
1607         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1608                 ret = hdrv->raw_event(hid, report, data, size);
1609                 if (ret < 0)
1610                         goto unlock;
1611         }
1612
1613         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1614
1615 unlock:
1616         up(&hid->driver_input_lock);
1617         return ret;
1618 }
1619 EXPORT_SYMBOL_GPL(hid_input_report);
1620
1621 static bool hid_match_one_id(struct hid_device *hdev,
1622                 const struct hid_device_id *id)
1623 {
1624         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1625                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1626                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1627                 (id->product == HID_ANY_ID || id->product == hdev->product);
1628 }
1629
1630 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1631                 const struct hid_device_id *id)
1632 {
1633         for (; id->bus; id++)
1634                 if (hid_match_one_id(hdev, id))
1635                         return id;
1636
1637         return NULL;
1638 }
1639
1640 static const struct hid_device_id hid_hiddev_list[] = {
1641         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1642         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1643         { }
1644 };
1645
1646 static bool hid_hiddev(struct hid_device *hdev)
1647 {
1648         return !!hid_match_id(hdev, hid_hiddev_list);
1649 }
1650
1651
1652 static ssize_t
1653 read_report_descriptor(struct file *filp, struct kobject *kobj,
1654                 struct bin_attribute *attr,
1655                 char *buf, loff_t off, size_t count)
1656 {
1657         struct device *dev = container_of(kobj, struct device, kobj);
1658         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1659
1660         if (off >= hdev->rsize)
1661                 return 0;
1662
1663         if (off + count > hdev->rsize)
1664                 count = hdev->rsize - off;
1665
1666         memcpy(buf, hdev->rdesc + off, count);
1667
1668         return count;
1669 }
1670
1671 static ssize_t
1672 show_country(struct device *dev, struct device_attribute *attr,
1673                 char *buf)
1674 {
1675         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1676
1677         return sprintf(buf, "%02x\n", hdev->country & 0xff);
1678 }
1679
1680 static struct bin_attribute dev_bin_attr_report_desc = {
1681         .attr = { .name = "report_descriptor", .mode = 0444 },
1682         .read = read_report_descriptor,
1683         .size = HID_MAX_DESCRIPTOR_SIZE,
1684 };
1685
1686 static struct device_attribute dev_attr_country = {
1687         .attr = { .name = "country", .mode = 0444 },
1688         .show = show_country,
1689 };
1690
1691 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1692 {
1693         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1694                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1695                 "Multi-Axis Controller"
1696         };
1697         const char *type, *bus;
1698         char buf[64] = "";
1699         unsigned int i;
1700         int len;
1701         int ret;
1702
1703         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1704                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1705         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1706                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1707         if (hdev->bus != BUS_USB)
1708                 connect_mask &= ~HID_CONNECT_HIDDEV;
1709         if (hid_hiddev(hdev))
1710                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1711
1712         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1713                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1714                 hdev->claimed |= HID_CLAIMED_INPUT;
1715
1716         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1717                         !hdev->hiddev_connect(hdev,
1718                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1719                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1720         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1721                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1722
1723         if (connect_mask & HID_CONNECT_DRIVER)
1724                 hdev->claimed |= HID_CLAIMED_DRIVER;
1725
1726         /* Drivers with the ->raw_event callback set are not required to connect
1727          * to any other listener. */
1728         if (!hdev->claimed && !hdev->driver->raw_event) {
1729                 hid_err(hdev, "device has no listeners, quitting\n");
1730                 return -ENODEV;
1731         }
1732
1733         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1734                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1735                 hdev->ff_init(hdev);
1736
1737         len = 0;
1738         if (hdev->claimed & HID_CLAIMED_INPUT)
1739                 len += sprintf(buf + len, "input");
1740         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1741                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1742                                 hdev->minor);
1743         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1744                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1745                                 ((struct hidraw *)hdev->hidraw)->minor);
1746
1747         type = "Device";
1748         for (i = 0; i < hdev->maxcollection; i++) {
1749                 struct hid_collection *col = &hdev->collection[i];
1750                 if (col->type == HID_COLLECTION_APPLICATION &&
1751                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1752                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1753                         type = types[col->usage & 0xffff];
1754                         break;
1755                 }
1756         }
1757
1758         switch (hdev->bus) {
1759         case BUS_USB:
1760                 bus = "USB";
1761                 break;
1762         case BUS_BLUETOOTH:
1763                 bus = "BLUETOOTH";
1764                 break;
1765         case BUS_I2C:
1766                 bus = "I2C";
1767                 break;
1768         case BUS_VIRTUAL:
1769                 bus = "VIRTUAL";
1770                 break;
1771         default:
1772                 bus = "<UNKNOWN>";
1773         }
1774
1775         ret = device_create_file(&hdev->dev, &dev_attr_country);
1776         if (ret)
1777                 hid_warn(hdev,
1778                          "can't create sysfs country code attribute err: %d\n", ret);
1779
1780         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1781         if (ret)
1782                 hid_warn(hdev,
1783                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1784
1785         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1786                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1787                  type, hdev->name, hdev->phys);
1788
1789         return 0;
1790 }
1791 EXPORT_SYMBOL_GPL(hid_connect);
1792
1793 void hid_disconnect(struct hid_device *hdev)
1794 {
1795         device_remove_file(&hdev->dev, &dev_attr_country);
1796         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1797         if (hdev->claimed & HID_CLAIMED_INPUT)
1798                 hidinput_disconnect(hdev);
1799         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1800                 hdev->hiddev_disconnect(hdev);
1801         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1802                 hidraw_disconnect(hdev);
1803         hdev->claimed = 0;
1804 }
1805 EXPORT_SYMBOL_GPL(hid_disconnect);
1806
1807 /*
1808  * A list of devices for which there is a specialized driver on HID bus.
1809  *
1810  * Please note that for multitouch devices (driven by hid-multitouch driver),
1811  * there is a proper autodetection and autoloading in place (based on presence
1812  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1813  * as we are doing the right thing in hid_scan_usage().
1814  *
1815  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1816  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1817  * used as a driver. See hid_scan_report().
1818  */
1819 static const struct hid_device_id hid_have_special_driver[] = {
1820         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1826         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1827         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1853         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1854         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1855         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1898         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1899         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1900         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1901         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1902         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1903         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1931         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1955         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1969 #if IS_ENABLED(CONFIG_HID_LENOVO)
1970         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1972         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1974 #endif
1975         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1979         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1980         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
2003         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
2004 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
2005         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
2007 #endif
2008         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
2009         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
2010         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
2011         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
2012         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
2013         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
2014         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
2015         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
2017         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
2018         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
2019         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
2020         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
2021         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
2022         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
2026         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
2027         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
2028         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
2031         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
2032         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
2037         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
2038         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2039         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2040         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2041         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2043         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2044         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2045         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2046         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2047         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2048         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2049         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2050         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2051         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2052         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2053         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2054         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2055         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2056 #if IS_ENABLED(CONFIG_HID_ROCCAT)
2057         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2058         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2059         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2060         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2061         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2062         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2063         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2064         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2065         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2066         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2067         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2068         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2069         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2070         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2071         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2072         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2073 #endif
2074 #if IS_ENABLED(CONFIG_HID_SAITEK)
2075         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2076         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2077         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2078         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2079         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2080         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2081 #endif
2082         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2083         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2084         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2085         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2086         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2087         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2088         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2089         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2090         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2091         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2092         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2093         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2094         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2095         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2096         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2097         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2098         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2099         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
2100         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2101         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2102         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2103         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2104         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2105         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2106         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2107         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2108         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2109         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2110         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2111         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2112         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2113         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2114         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2115         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2116         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2117         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2118         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2119         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2120         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2121         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2122         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2123         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2124         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2125         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2126         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2127         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2128         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2129         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2130         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2131         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2132         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2133         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2134         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2135         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2136         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2137         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2138         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2139         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2140         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2141         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2142         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
2143         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2144         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2145         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2146
2147         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2148         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2149         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2150         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2151         { }
2152 };
2153
2154 struct hid_dynid {
2155         struct list_head list;
2156         struct hid_device_id id;
2157 };
2158
2159 /**
2160  * store_new_id - add a new HID device ID to this driver and re-probe devices
2161  * @driver: target device driver
2162  * @buf: buffer for scanning device ID data
2163  * @count: input size
2164  *
2165  * Adds a new dynamic hid device ID to this driver,
2166  * and causes the driver to probe for all devices again.
2167  */
2168 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2169                 size_t count)
2170 {
2171         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2172         struct hid_dynid *dynid;
2173         __u32 bus, vendor, product;
2174         unsigned long driver_data = 0;
2175         int ret;
2176
2177         ret = sscanf(buf, "%x %x %x %lx",
2178                         &bus, &vendor, &product, &driver_data);
2179         if (ret < 3)
2180                 return -EINVAL;
2181
2182         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2183         if (!dynid)
2184                 return -ENOMEM;
2185
2186         dynid->id.bus = bus;
2187         dynid->id.group = HID_GROUP_ANY;
2188         dynid->id.vendor = vendor;
2189         dynid->id.product = product;
2190         dynid->id.driver_data = driver_data;
2191
2192         spin_lock(&hdrv->dyn_lock);
2193         list_add_tail(&dynid->list, &hdrv->dyn_list);
2194         spin_unlock(&hdrv->dyn_lock);
2195
2196         ret = driver_attach(&hdrv->driver);
2197
2198         return ret ? : count;
2199 }
2200 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2201
2202 static void hid_free_dynids(struct hid_driver *hdrv)
2203 {
2204         struct hid_dynid *dynid, *n;
2205
2206         spin_lock(&hdrv->dyn_lock);
2207         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2208                 list_del(&dynid->list);
2209                 kfree(dynid);
2210         }
2211         spin_unlock(&hdrv->dyn_lock);
2212 }
2213
2214 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2215                 struct hid_driver *hdrv)
2216 {
2217         struct hid_dynid *dynid;
2218
2219         spin_lock(&hdrv->dyn_lock);
2220         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2221                 if (hid_match_one_id(hdev, &dynid->id)) {
2222                         spin_unlock(&hdrv->dyn_lock);
2223                         return &dynid->id;
2224                 }
2225         }
2226         spin_unlock(&hdrv->dyn_lock);
2227
2228         return hid_match_id(hdev, hdrv->id_table);
2229 }
2230
2231 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2232 {
2233         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2234         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2235
2236         return hid_match_device(hdev, hdrv) != NULL;
2237 }
2238
2239 static int hid_device_probe(struct device *dev)
2240 {
2241         struct hid_driver *hdrv = container_of(dev->driver,
2242                         struct hid_driver, driver);
2243         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2244         const struct hid_device_id *id;
2245         int ret = 0;
2246
2247         if (down_interruptible(&hdev->driver_lock))
2248                 return -EINTR;
2249         if (down_interruptible(&hdev->driver_input_lock)) {
2250                 ret = -EINTR;
2251                 goto unlock_driver_lock;
2252         }
2253         hdev->io_started = false;
2254
2255         if (!hdev->driver) {
2256                 id = hid_match_device(hdev, hdrv);
2257                 if (id == NULL) {
2258                         ret = -ENODEV;
2259                         goto unlock;
2260                 }
2261
2262                 hdev->driver = hdrv;
2263                 if (hdrv->probe) {
2264                         ret = hdrv->probe(hdev, id);
2265                 } else { /* default probe */
2266                         ret = hid_open_report(hdev);
2267                         if (!ret)
2268                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2269                 }
2270                 if (ret) {
2271                         hid_close_report(hdev);
2272                         hdev->driver = NULL;
2273                 }
2274         }
2275 unlock:
2276         if (!hdev->io_started)
2277                 up(&hdev->driver_input_lock);
2278 unlock_driver_lock:
2279         up(&hdev->driver_lock);
2280         return ret;
2281 }
2282
2283 static int hid_device_remove(struct device *dev)
2284 {
2285         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2286         struct hid_driver *hdrv;
2287         int ret = 0;
2288
2289         if (down_interruptible(&hdev->driver_lock))
2290                 return -EINTR;
2291         if (down_interruptible(&hdev->driver_input_lock)) {
2292                 ret = -EINTR;
2293                 goto unlock_driver_lock;
2294         }
2295         hdev->io_started = false;
2296
2297         hdrv = hdev->driver;
2298         if (hdrv) {
2299                 if (hdrv->remove)
2300                         hdrv->remove(hdev);
2301                 else /* default remove */
2302                         hid_hw_stop(hdev);
2303                 hid_close_report(hdev);
2304                 hdev->driver = NULL;
2305         }
2306
2307         if (!hdev->io_started)
2308                 up(&hdev->driver_input_lock);
2309 unlock_driver_lock:
2310         up(&hdev->driver_lock);
2311         return ret;
2312 }
2313
2314 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2315                              char *buf)
2316 {
2317         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2318         int len;
2319
2320         len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2321                        hdev->bus, hdev->group, hdev->vendor, hdev->product);
2322
2323         return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2324 }
2325 static DEVICE_ATTR_RO(modalias);
2326
2327 static struct attribute *hid_dev_attrs[] = {
2328         &dev_attr_modalias.attr,
2329         NULL,
2330 };
2331 ATTRIBUTE_GROUPS(hid_dev);
2332
2333 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2334 {
2335         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2336
2337         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2338                         hdev->bus, hdev->vendor, hdev->product))
2339                 return -ENOMEM;
2340
2341         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2342                 return -ENOMEM;
2343
2344         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2345                 return -ENOMEM;
2346
2347         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2348                 return -ENOMEM;
2349
2350         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2351                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2352                 return -ENOMEM;
2353
2354         return 0;
2355 }
2356
2357 static struct bus_type hid_bus_type = {
2358         .name           = "hid",
2359         .dev_groups     = hid_dev_groups,
2360         .match          = hid_bus_match,
2361         .probe          = hid_device_probe,
2362         .remove         = hid_device_remove,
2363         .uevent         = hid_uevent,
2364 };
2365
2366 /* a list of devices that shouldn't be handled by HID core at all */
2367 static const struct hid_device_id hid_ignore_list[] = {
2368         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2369         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2370         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2371         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2372         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2373         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2374         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2378         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2379         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2380         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2381         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2382         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2383         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2384         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2386         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2387         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2388         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2389         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2390         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2391         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2392         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2393         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2394         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2395         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2396         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2397         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2398         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2399         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2400         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2401         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2402         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2403         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2404         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2405         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2406         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2407         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2408         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2409         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2410         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2411         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2412         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2413         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2414         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2415         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2416         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2417         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2418         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2419         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2420         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2421         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2422         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2423         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2424         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2425         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2426         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2427         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2428         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2429         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2430         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2431         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2432         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2433         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2434         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2435         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2436         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2437         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2438         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2439         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2440         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2441         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2442         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2443         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2444         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2445         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2446         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2447         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2448         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2449         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2450         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2451         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2452         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2453         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2454         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2455         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2456         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2457         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2458         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2459         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2460         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2461         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2462         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2463         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2464         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2465         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2466         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2467         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2468         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2469         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2470         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2471         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2472         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2473         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2474         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2475         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERANALYSERCASSY) },
2476         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CONVERTERCONTROLLERCASSY) },
2477         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETESTCASSY) },
2478         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2479         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2480         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2481         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2482         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2483         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2484         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2485         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2486         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2487         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2488         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2489         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2490         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2491         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2492         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2493         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2494         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2495         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2496         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2497         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2498         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2499         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2500         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2501         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2502         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2503         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2504         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2505         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2506         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2507         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2508         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2509         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2510         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2511         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2512         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2513         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2514         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2515         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2516         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2517         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2518         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2519         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2520         { HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
2521         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2522         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2523 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2524         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2525         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2526         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2527         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2528         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2529         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2530         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2531         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2532 #endif
2533         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2534         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2535         { }
2536 };
2537
2538 /**
2539  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2540  *
2541  * There are composite devices for which we want to ignore only a certain
2542  * interface. This is a list of devices for which only the mouse interface will
2543  * be ignored. This allows a dedicated driver to take care of the interface.
2544  */
2545 static const struct hid_device_id hid_mouse_ignore_list[] = {
2546         /* appletouch driver */
2547         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2548         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2549         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2550         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2551         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2552         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2553         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2554         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2555         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2556         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2557         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2558         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2559         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2560         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2561         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2562         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2563         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2564         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2565         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2566         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2567         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2568         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2569         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2570         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2571         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2572         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2573         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2574         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2575         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2576         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2577         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2578         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2579         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2580         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2581         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2582         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2583         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2584         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2585         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2586         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2587         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2588         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2589         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2590         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2591         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2592         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2593         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2594         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2595         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2596         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2597         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2598         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2599         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2600         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2601         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2602         { }
2603 };
2604
2605 bool hid_ignore(struct hid_device *hdev)
2606 {
2607         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2608                 return false;
2609         if (hdev->quirks & HID_QUIRK_IGNORE)
2610                 return true;
2611
2612         switch (hdev->vendor) {
2613         case USB_VENDOR_ID_CODEMERCS:
2614                 /* ignore all Code Mercenaries IOWarrior devices */
2615                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2616                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2617                         return true;
2618                 break;
2619         case USB_VENDOR_ID_LOGITECH:
2620                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2621                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2622                         return true;
2623                 /*
2624                  * The Keene FM transmitter USB device has the same USB ID as
2625                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2626                  * Check if the name is that of the Keene device.
2627                  * For reference: the name of the AudioHub is
2628                  * "HOLTEK  AudioHub Speaker".
2629                  */
2630                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2631                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2632                                 return true;
2633                 break;
2634         case USB_VENDOR_ID_SOUNDGRAPH:
2635                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2636                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2637                         return true;
2638                 break;
2639         case USB_VENDOR_ID_HANWANG:
2640                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2641                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2642                         return true;
2643                 break;
2644         case USB_VENDOR_ID_JESS:
2645                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2646                                 hdev->type == HID_TYPE_USBNONE)
2647                         return true;
2648                 break;
2649         case USB_VENDOR_ID_VELLEMAN:
2650                 /* These are not HID devices.  They are handled by comedi. */
2651                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2652                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2653                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2654                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2655                         return true;
2656                 break;
2657         case USB_VENDOR_ID_ATMEL_V_USB:
2658                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2659                  * it has the same USB ID as many Atmel V-USB devices. This
2660                  * usb radio is handled by radio-ma901.c driver so we want
2661                  * ignore the hid. Check the name, bus, product and ignore
2662                  * if we have MA901 usb radio.
2663                  */
2664                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2665                         hdev->bus == BUS_USB &&
2666                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2667                         return true;
2668                 break;
2669         case USB_VENDOR_ID_ELAN:
2670                 /*
2671                  * Many Elan devices have a product id of 0x0401 and are handled
2672                  * by the elan_i2c input driver. But the ACPI HID ELAN0800 dev
2673                  * is not (and cannot be) handled by that driver ->
2674                  * Ignore all 0x0401 devs except for the ELAN0800 dev.
2675                  */
2676                 if (hdev->product == 0x0401 &&
2677                     strncmp(hdev->name, "ELAN0800", 8) != 0)
2678                         return true;
2679                 break;
2680         }
2681
2682         if (hdev->type == HID_TYPE_USBMOUSE &&
2683                         hid_match_id(hdev, hid_mouse_ignore_list))
2684                 return true;
2685
2686         return !!hid_match_id(hdev, hid_ignore_list);
2687 }
2688 EXPORT_SYMBOL_GPL(hid_ignore);
2689
2690 int hid_add_device(struct hid_device *hdev)
2691 {
2692         static atomic_t id = ATOMIC_INIT(0);
2693         int ret;
2694
2695         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2696                 return -EBUSY;
2697
2698         /* we need to kill them here, otherwise they will stay allocated to
2699          * wait for coming driver */
2700         if (hid_ignore(hdev))
2701                 return -ENODEV;
2702
2703         /*
2704          * Check for the mandatory transport channel.
2705          */
2706          if (!hdev->ll_driver->raw_request) {
2707                 hid_err(hdev, "transport driver missing .raw_request()\n");
2708                 return -EINVAL;
2709          }
2710
2711         /*
2712          * Read the device report descriptor once and use as template
2713          * for the driver-specific modifications.
2714          */
2715         ret = hdev->ll_driver->parse(hdev);
2716         if (ret)
2717                 return ret;
2718         if (!hdev->dev_rdesc)
2719                 return -ENODEV;
2720
2721         /*
2722          * Scan generic devices for group information
2723          */
2724         if (hid_ignore_special_drivers) {
2725                 hdev->group = HID_GROUP_GENERIC;
2726         } else if (!hdev->group &&
2727                    !hid_match_id(hdev, hid_have_special_driver)) {
2728                 ret = hid_scan_report(hdev);
2729                 if (ret)
2730                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2731         }
2732
2733         /* XXX hack, any other cleaner solution after the driver core
2734          * is converted to allow more than 20 bytes as the device name? */
2735         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2736                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2737
2738         hid_debug_register(hdev, dev_name(&hdev->dev));
2739         ret = device_add(&hdev->dev);
2740         if (!ret)
2741                 hdev->status |= HID_STAT_ADDED;
2742         else
2743                 hid_debug_unregister(hdev);
2744
2745         return ret;
2746 }
2747 EXPORT_SYMBOL_GPL(hid_add_device);
2748
2749 /**
2750  * hid_allocate_device - allocate new hid device descriptor
2751  *
2752  * Allocate and initialize hid device, so that hid_destroy_device might be
2753  * used to free it.
2754  *
2755  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2756  * error value.
2757  */
2758 struct hid_device *hid_allocate_device(void)
2759 {
2760         struct hid_device *hdev;
2761         int ret = -ENOMEM;
2762
2763         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2764         if (hdev == NULL)
2765                 return ERR_PTR(ret);
2766
2767         device_initialize(&hdev->dev);
2768         hdev->dev.release = hid_device_release;
2769         hdev->dev.bus = &hid_bus_type;
2770
2771         hid_close_report(hdev);
2772
2773         init_waitqueue_head(&hdev->debug_wait);
2774         INIT_LIST_HEAD(&hdev->debug_list);
2775         spin_lock_init(&hdev->debug_list_lock);
2776         sema_init(&hdev->driver_lock, 1);
2777         sema_init(&hdev->driver_input_lock, 1);
2778
2779         return hdev;
2780 }
2781 EXPORT_SYMBOL_GPL(hid_allocate_device);
2782
2783 static void hid_remove_device(struct hid_device *hdev)
2784 {
2785         if (hdev->status & HID_STAT_ADDED) {
2786                 device_del(&hdev->dev);
2787                 hid_debug_unregister(hdev);
2788                 hdev->status &= ~HID_STAT_ADDED;
2789         }
2790         kfree(hdev->dev_rdesc);
2791         hdev->dev_rdesc = NULL;
2792         hdev->dev_rsize = 0;
2793 }
2794
2795 /**
2796  * hid_destroy_device - free previously allocated device
2797  *
2798  * @hdev: hid device
2799  *
2800  * If you allocate hid_device through hid_allocate_device, you should ever
2801  * free by this function.
2802  */
2803 void hid_destroy_device(struct hid_device *hdev)
2804 {
2805         hid_remove_device(hdev);
2806         put_device(&hdev->dev);
2807 }
2808 EXPORT_SYMBOL_GPL(hid_destroy_device);
2809
2810 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2811                 const char *mod_name)
2812 {
2813         int ret;
2814
2815         hdrv->driver.name = hdrv->name;
2816         hdrv->driver.bus = &hid_bus_type;
2817         hdrv->driver.owner = owner;
2818         hdrv->driver.mod_name = mod_name;
2819
2820         INIT_LIST_HEAD(&hdrv->dyn_list);
2821         spin_lock_init(&hdrv->dyn_lock);
2822
2823         ret = driver_register(&hdrv->driver);
2824         if (ret)
2825                 return ret;
2826
2827         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2828         if (ret)
2829                 driver_unregister(&hdrv->driver);
2830
2831         return ret;
2832 }
2833 EXPORT_SYMBOL_GPL(__hid_register_driver);
2834
2835 void hid_unregister_driver(struct hid_driver *hdrv)
2836 {
2837         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2838         driver_unregister(&hdrv->driver);
2839         hid_free_dynids(hdrv);
2840 }
2841 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2842
2843 int hid_check_keys_pressed(struct hid_device *hid)
2844 {
2845         struct hid_input *hidinput;
2846         int i;
2847
2848         if (!(hid->claimed & HID_CLAIMED_INPUT))
2849                 return 0;
2850
2851         list_for_each_entry(hidinput, &hid->inputs, list) {
2852                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2853                         if (hidinput->input->key[i])
2854                                 return 1;
2855         }
2856
2857         return 0;
2858 }
2859
2860 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2861
2862 static int __init hid_init(void)
2863 {
2864         int ret;
2865
2866         if (hid_debug)
2867                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2868                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2869
2870         ret = bus_register(&hid_bus_type);
2871         if (ret) {
2872                 pr_err("can't register hid bus\n");
2873                 goto err;
2874         }
2875
2876         ret = hidraw_init();
2877         if (ret)
2878                 goto err_bus;
2879
2880         hid_debug_init();
2881
2882         return 0;
2883 err_bus:
2884         bus_unregister(&hid_bus_type);
2885 err:
2886         return ret;
2887 }
2888
2889 static void __exit hid_exit(void)
2890 {
2891         hid_debug_exit();
2892         hidraw_exit();
2893         bus_unregister(&hid_bus_type);
2894 }
2895
2896 module_init(hid_init);
2897 module_exit(hid_exit);
2898
2899 MODULE_AUTHOR("Andreas Gal");
2900 MODULE_AUTHOR("Vojtech Pavlik");
2901 MODULE_AUTHOR("Jiri Kosina");
2902 MODULE_LICENSE(DRIVER_LICENSE);
2903