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, unsigned values)
  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                          values * 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  * Add a usage to the temporary parser table.
 201  */
 202
 203 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
 204 {
 205         if (parser->local.usage_index >= HID_MAX_USAGES) {
 206                 hid_err(parser->device, "usage index exceeded\n");
 207                 return -1;
 208         }
 209         parser->local.usage[parser->local.usage_index] = usage;
 210         parser->local.collection_index[parser->local.usage_index] =
 211                 parser->collection_stack_ptr ?
 212                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
 213         parser->local.usage_index++;
 214         return 0;
 215 }
 216
 217 /*
 218  * Register a new field for this report.
 219  */
 220
 221 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
 222 {
 223         struct hid_report *report;
 224         struct hid_field *field;
 225         unsigned usages;
 226         unsigned offset;
 227         unsigned i;
 228
 229         report = hid_register_report(parser->device, report_type, parser->global.report_id);
 230         if (!report) {
 231                 hid_err(parser->device, "hid_register_report failed\n");
 232                 return -1;
 233         }
 234
 235         /* Handle both signed and unsigned cases properly */
 236         if ((parser->global.logical_minimum < 0 &&
 237                 parser->global.logical_maximum <
 238                 parser->global.logical_minimum) ||
 239                 (parser->global.logical_minimum >= 0 &&
 240                 (__u32)parser->global.logical_maximum <
 241                 (__u32)parser->global.logical_minimum)) {
 242                 dbg_hid("logical range invalid 0x%x 0x%x\n",
 243                         parser->global.logical_minimum,
 244                         parser->global.logical_maximum);
 245                 return -1;
 246         }
 247
 248         offset = report->size;
 249         report->size += parser->global.report_size * parser->global.report_count;
 250
 251         if (!parser->local.usage_index) /* Ignore padding fields */
 252                 return 0;
 253
 254         usages = max_t(unsigned, parser->local.usage_index,
 255                                  parser->global.report_count);
 256
 257         field = hid_register_field(report, usages, parser->global.report_count);
 258         if (!field)
 259                 return 0;
 260
 261         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
 262         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
 263         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 264
 265         for (i = 0; i < usages; i++) {
 266                 unsigned j = i;
 267                 /* Duplicate the last usage we parsed if we have excess values */
 268                 if (i >= parser->local.usage_index)
 269                         j = parser->local.usage_index - 1;
 270                 field->usage[i].hid = parser->local.usage[j];
 271                 field->usage[i].collection_index =
 272                         parser->local.collection_index[j];
 273                 field->usage[i].usage_index = i;
 274         }
 275
 276         field->maxusage = usages;
 277         field->flags = flags;
 278         field->report_offset = offset;
 279         field->report_type = report_type;
 280         field->report_size = parser->global.report_size;
 281         field->report_count = parser->global.report_count;
 282         field->logical_minimum = parser->global.logical_minimum;
 283         field->logical_maximum = parser->global.logical_maximum;
 284         field->physical_minimum = parser->global.physical_minimum;
 285         field->physical_maximum = parser->global.physical_maximum;
 286         field->unit_exponent = parser->global.unit_exponent;
 287         field->unit = parser->global.unit;
 288
 289         return 0;
 290 }
 291
 292 /*
 293  * Read data value from item.
 294  */
 295
 296 static u32 item_udata(struct hid_item *item)
 297 {
 298         switch (item->size) {
 299         case 1: return item->data.u8;
 300         case 2: return item->data.u16;
 301         case 4: return item->data.u32;
 302         }
 303         return 0;
 304 }
 305
 306 static s32 item_sdata(struct hid_item *item)
 307 {
 308         switch (item->size) {
 309         case 1: return item->data.s8;
 310         case 2: return item->data.s16;
 311         case 4: return item->data.s32;
 312         }
 313         return 0;
 314 }
 315
 316 /*
 317  * Process a global item.
 318  */
 319
 320 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 321 {
 322         __s32 raw_value;
 323         switch (item->tag) {
 324         case HID_GLOBAL_ITEM_TAG_PUSH:
 325
 326                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
 327                         hid_err(parser->device, "global environment stack overflow\n");
 328                         return -1;
 329                 }
 330
 331                 memcpy(parser->global_stack + parser->global_stack_ptr++,
 332                         &parser->global, sizeof(struct hid_global));
 333                 return 0;
 334
 335         case HID_GLOBAL_ITEM_TAG_POP:
 336
 337                 if (!parser->global_stack_ptr) {
 338                         hid_err(parser->device, "global environment stack underflow\n");
 339                         return -1;
 340                 }
 341
 342                 memcpy(&parser->global, parser->global_stack +
 343                         --parser->global_stack_ptr, sizeof(struct hid_global));
 344                 return 0;
 345
 346         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
 347                 parser->global.usage_page = item_udata(item);
 348                 return 0;
 349
 350         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
 351                 parser->global.logical_minimum = item_sdata(item);
 352                 return 0;
 353
 354         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
 355                 if (parser->global.logical_minimum < 0)
 356                         parser->global.logical_maximum = item_sdata(item);
 357                 else
 358                         parser->global.logical_maximum = item_udata(item);
 359                 return 0;
 360
 361         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
 362                 parser->global.physical_minimum = item_sdata(item);
 363                 return 0;
 364
 365         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
 366                 if (parser->global.physical_minimum < 0)
 367                         parser->global.physical_maximum = item_sdata(item);
 368                 else
 369                         parser->global.physical_maximum = item_udata(item);
 370                 return 0;
 371
 372         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
 373                 /* Many devices provide unit exponent as a two's complement
 374                  * nibble due to the common misunderstanding of HID
 375                  * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
 376                  * both this and the standard encoding. */
 377                 raw_value = item_sdata(item);
 378                 if (!(raw_value & 0xfffffff0))
 379                         parser->global.unit_exponent = hid_snto32(raw_value, 4);
 380                 else
 381                         parser->global.unit_exponent = raw_value;
 382                 return 0;
 383
 384         case HID_GLOBAL_ITEM_TAG_UNIT:
 385                 parser->global.unit = item_udata(item);
 386                 return 0;
 387
 388         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 389                 parser->global.report_size = item_udata(item);
 390                 if (parser->global.report_size > 128) {
 391                         hid_err(parser->device, "invalid report_size %d\n",
 392                                         parser->global.report_size);
 393                         return -1;
 394                 }
 395                 return 0;
 396
 397         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
 398                 parser->global.report_count = item_udata(item);
 399                 if (parser->global.report_count > HID_MAX_USAGES) {
 400                         hid_err(parser->device, "invalid report_count %d\n",
 401                                         parser->global.report_count);
 402                         return -1;
 403                 }
 404                 return 0;
 405
 406         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
 407                 parser->global.report_id = item_udata(item);
 408                 if (parser->global.report_id == 0 ||
 409                     parser->global.report_id >= HID_MAX_IDS) {
 410                         hid_err(parser->device, "report_id %u is invalid\n",
 411                                 parser->global.report_id);
 412                         return -1;
 413                 }
 414                 return 0;
 415
 416         default:
 417                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
 418                 return -1;
 419         }
 420 }
 421
 422 /*
 423  * Process a local item.
 424  */
 425
 426 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
 427 {
 428         __u32 data;
 429         unsigned n;
 430         __u32 count;
 431
 432         data = item_udata(item);
 433
 434         switch (item->tag) {
 435         case HID_LOCAL_ITEM_TAG_DELIMITER:
 436
 437                 if (data) {
 438                         /*
 439                          * We treat items before the first delimiter
 440                          * as global to all usage sets (branch 0).
 441                          * In the moment we process only these global
 442                          * items and the first delimiter set.
 443                          */
 444                         if (parser->local.delimiter_depth != 0) {
 445                                 hid_err(parser->device, "nested delimiters\n");
 446                                 return -1;
 447                         }
 448                         parser->local.delimiter_depth++;
 449                         parser->local.delimiter_branch++;
 450                 } else {
 451                         if (parser->local.delimiter_depth < 1) {
 452                                 hid_err(parser->device, "bogus close delimiter\n");
 453                                 return -1;
 454                         }
 455                         parser->local.delimiter_depth--;
 456                 }
 457                 return 0;
 458
 459         case HID_LOCAL_ITEM_TAG_USAGE:
 460
 461                 if (parser->local.delimiter_branch > 1) {
 462                         dbg_hid("alternative usage ignored\n");
 463                         return 0;
 464                 }
 465
 466                 if (item->size <= 2)
 467                         data = (parser->global.usage_page << 16) + data;
 468
 469                 return hid_add_usage(parser, data);
 470
 471         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
 472
 473                 if (parser->local.delimiter_branch > 1) {
 474                         dbg_hid("alternative usage ignored\n");
 475                         return 0;
 476                 }
 477
 478                 if (item->size <= 2)
 479                         data = (parser->global.usage_page << 16) + data;
 480
 481                 parser->local.usage_minimum = data;
 482                 return 0;
 483
 484         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
 485
 486                 if (parser->local.delimiter_branch > 1) {
 487                         dbg_hid("alternative usage ignored\n");
 488                         return 0;
 489                 }
 490
 491                 if (item->size <= 2)
 492                         data = (parser->global.usage_page << 16) + data;
 493
 494                 count = data - parser->local.usage_minimum;
 495                 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
 496                         /*
 497                          * We do not warn if the name is not set, we are
 498                          * actually pre-scanning the device.
 499                          */
 500                         if (dev_name(&parser->device->dev))
 501                                 hid_warn(parser->device,
 502                                          "ignoring exceeding usage max\n");
 503                         data = HID_MAX_USAGES - parser->local.usage_index +
 504                                 parser->local.usage_minimum - 1;
 505                         if (data <= 0) {
 506                                 hid_err(parser->device,
 507                                         "no more usage index available\n");
 508                                 return -1;
 509                         }
 510                 }
 511
 512                 for (n = parser->local.usage_minimum; n <= data; n++)
 513                         if (hid_add_usage(parser, n)) {
 514                                 dbg_hid("hid_add_usage failed\n");
 515                                 return -1;
 516                         }
 517                 return 0;
 518
 519         default:
 520
 521                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
 522                 return 0;
 523         }
 524         return 0;
 525 }
 526
 527 /*
 528  * Process a main item.
 529  */
 530
 531 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
 532 {
 533         __u32 data;
 534         int ret;
 535
 536         data = item_udata(item);
 537
 538         switch (item->tag) {
 539         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 540                 ret = open_collection(parser, data & 0xff);
 541                 break;
 542         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 543                 ret = close_collection(parser);
 544                 break;
 545         case HID_MAIN_ITEM_TAG_INPUT:
 546                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
 547                 break;
 548         case HID_MAIN_ITEM_TAG_OUTPUT:
 549                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
 550                 break;
 551         case HID_MAIN_ITEM_TAG_FEATURE:
 552                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
 553                 break;
 554         default:
 555                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
 556                 ret = 0;
 557         }
 558
 559         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
 560
 561         return ret;
 562 }
 563
 564 /*
 565  * Process a reserved item.
 566  */
 567
 568 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
 569 {
 570         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
 571         return 0;
 572 }
 573
 574 /*
 575  * Free a report and all registered fields. The field->usage and
 576  * field->value table's are allocated behind the field, so we need
 577  * only to free(field) itself.
 578  */
 579
 580 static void hid_free_report(struct hid_report *report)
 581 {
 582         unsigned n;
 583
 584         for (n = 0; n < report->maxfield; n++)
 585                 kfree(report->field[n]);
 586         kfree(report);
 587 }
 588
 589 /*
 590  * Close report. This function returns the device
 591  * state to the point prior to hid_open_report().
 592  */
 593 static void hid_close_report(struct hid_device *device)
 594 {
 595         unsigned i, j;
 596
 597         for (i = 0; i < HID_REPORT_TYPES; i++) {
 598                 struct hid_report_enum *report_enum = device->report_enum + i;
 599
 600                 for (j = 0; j < HID_MAX_IDS; j++) {
 601                         struct hid_report *report = report_enum->report_id_hash[j];
 602                         if (report)
 603                                 hid_free_report(report);
 604                 }
 605                 memset(report_enum, 0, sizeof(*report_enum));
 606                 INIT_LIST_HEAD(&report_enum->report_list);
 607         }
 608
 609         kfree(device->rdesc);
 610         device->rdesc = NULL;
 611         device->rsize = 0;
 612
 613         kfree(device->collection);
 614         device->collection = NULL;
 615         device->collection_size = 0;
 616         device->maxcollection = 0;
 617         device->maxapplication = 0;
 618
 619         device->status &= ~HID_STAT_PARSED;
 620 }
 621
 622 /*
 623  * Free a device structure, all reports, and all fields.
 624  */
 625
 626 static void hid_device_release(struct device *dev)
 627 {
 628         struct hid_device *hid = to_hid_device(dev);
 629
 630         hid_close_report(hid);
 631         kfree(hid->dev_rdesc);
 632         kfree(hid);
 633 }
 634
 635 /*
 636  * Fetch a report description item from the data stream. We support long
 637  * items, though they are not used yet.
 638  */
 639
 640 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 641 {
 642         u8 b;
 643
 644         if ((end - start) <= 0)
 645                 return NULL;
 646
 647         b = *start++;
 648
 649         item->type = (b >> 2) & 3;
 650         item->tag  = (b >> 4) & 15;
 651
 652         if (item->tag == HID_ITEM_TAG_LONG) {
 653
 654                 item->format = HID_ITEM_FORMAT_LONG;
 655
 656                 if ((end - start) < 2)
 657                         return NULL;
 658
 659                 item->size = *start++;
 660                 item->tag  = *start++;
 661
 662                 if ((end - start) < item->size)
 663                         return NULL;
 664
 665                 item->data.longdata = start;
 666                 start += item->size;
 667                 return start;
 668         }
 669
 670         item->format = HID_ITEM_FORMAT_SHORT;
 671         item->size = b & 3;
 672
 673         switch (item->size) {
 674         case 0:
 675                 return start;
 676
 677         case 1:
 678                 if ((end - start) < 1)
 679                         return NULL;
 680                 item->data.u8 = *start++;
 681                 return start;
 682
 683         case 2:
 684                 if ((end - start) < 2)
 685                         return NULL;
 686                 item->data.u16 = get_unaligned_le16(start);
 687                 start = (__u8 *)((__le16 *)start + 1);
 688                 return start;
 689
 690         case 3:
 691                 item->size++;
 692                 if ((end - start) < 4)
 693                         return NULL;
 694                 item->data.u32 = get_unaligned_le32(start);
 695                 start = (__u8 *)((__le32 *)start + 1);
 696                 return start;
 697         }
 698
 699         return NULL;
 700 }
 701
 702 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
 703 {
 704         struct hid_device *hid = parser->device;
 705
 706         if (usage == HID_DG_CONTACTID)
 707                 hid->group = HID_GROUP_MULTITOUCH;
 708 }
 709
 710 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
 711 {
 712         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
 713             parser->global.report_size == 8)
 714                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
 715 }
 716
 717 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
 718 {
 719         struct hid_device *hid = parser->device;
 720         int i;
 721
 722         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
 723             type == HID_COLLECTION_PHYSICAL)
 724                 hid->group = HID_GROUP_SENSOR_HUB;
 725
 726         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
 727             hid->product == USB_DEVICE_ID_MS_POWER_COVER &&
 728             hid->group == HID_GROUP_MULTITOUCH)
 729                 hid->group = HID_GROUP_GENERIC;
 730
 731         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
 732                 for (i = 0; i < parser->local.usage_index; i++)
 733                         if (parser->local.usage[i] == HID_GD_POINTER)
 734                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
 735
 736         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
 737                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
 738 }
 739
 740 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
 741 {
 742         __u32 data;
 743         int i;
 744
 745         data = item_udata(item);
 746
 747         switch (item->tag) {
 748         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 749                 hid_scan_collection(parser, data & 0xff);
 750                 break;
 751         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 752                 break;
 753         case HID_MAIN_ITEM_TAG_INPUT:
 754                 /* ignore constant inputs, they will be ignored by hid-input */
 755                 if (data & HID_MAIN_ITEM_CONSTANT)
 756                         break;
 757                 for (i = 0; i < parser->local.usage_index; i++)
 758                         hid_scan_input_usage(parser, parser->local.usage[i]);
 759                 break;
 760         case HID_MAIN_ITEM_TAG_OUTPUT:
 761                 break;
 762         case HID_MAIN_ITEM_TAG_FEATURE:
 763                 for (i = 0; i < parser->local.usage_index; i++)
 764                         hid_scan_feature_usage(parser, parser->local.usage[i]);
 765                 break;
 766         }
 767
 768         /* Reset the local parser environment */
 769         memset(&parser->local, 0, sizeof(parser->local));
 770
 771         return 0;
 772 }
 773
 774 /*
 775  * Scan a report descriptor before the device is added to the bus.
 776  * Sets device groups and other properties that determine what driver
 777  * to load.
 778  */
 779 static int hid_scan_report(struct hid_device *hid)
 780 {
 781         struct hid_parser *parser;
 782         struct hid_item item;
 783         __u8 *start = hid->dev_rdesc;
 784         __u8 *end = start + hid->dev_rsize;
 785         static int (*dispatch_type[])(struct hid_parser *parser,
 786                                       struct hid_item *item) = {
 787                 hid_scan_main,
 788                 hid_parser_global,
 789                 hid_parser_local,
 790                 hid_parser_reserved
 791         };
 792
 793         parser = vzalloc(sizeof(struct hid_parser));
 794         if (!parser)
 795                 return -ENOMEM;
 796
 797         parser->device = hid;
 798         hid->group = HID_GROUP_GENERIC;
 799
 800         /*
 801          * The parsing is simpler than the one in hid_open_report() as we should
 802          * be robust against hid errors. Those errors will be raised by
 803          * hid_open_report() anyway.
 804          */
 805         while ((start = fetch_item(start, end, &item)) != NULL)
 806                 dispatch_type[item.type](parser, &item);
 807
 808         /*
 809          * Handle special flags set during scanning.
 810          */
 811         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
 812             (hid->group == HID_GROUP_MULTITOUCH))
 813                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
 814
 815         /*
 816          * Vendor specific handlings
 817          */
 818         switch (hid->vendor) {
 819         case USB_VENDOR_ID_WACOM:
 820                 hid->group = HID_GROUP_WACOM;
 821                 break;
 822         case USB_VENDOR_ID_SYNAPTICS:
 823                 if (hid->group == HID_GROUP_GENERIC)
 824                         if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
 825                             && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
 826                                 /*
 827                                  * hid-rmi should take care of them,
 828                                  * not hid-generic
 829                                  */
 830                                 hid->group = HID_GROUP_RMI;
 831                 break;
 832         }
 833
 834         vfree(parser);
 835         return 0;
 836 }
 837
 838 /**
 839  * hid_parse_report - parse device report
 840  *
 841  * @device: hid device
 842  * @start: report start
 843  * @size: report size
 844  *
 845  * Allocate the device report as read by the bus driver. This function should
 846  * only be called from parse() in ll drivers.
 847  */
 848 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
 849 {
 850         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
 851         if (!hid->dev_rdesc)
 852                 return -ENOMEM;
 853         hid->dev_rsize = size;
 854         return 0;
 855 }
 856 EXPORT_SYMBOL_GPL(hid_parse_report);
 857
 858 static const char * const hid_report_names[] = {
 859         "HID_INPUT_REPORT",
 860         "HID_OUTPUT_REPORT",
 861         "HID_FEATURE_REPORT",
 862 };
 863 /**
 864  * hid_validate_values - validate existing device report's value indexes
 865  *
 866  * @device: hid device
 867  * @type: which report type to examine
 868  * @id: which report ID to examine (0 for first)
 869  * @field_index: which report field to examine
 870  * @report_counts: expected number of values
 871  *
 872  * Validate the number of values in a given field of a given report, after
 873  * parsing.
 874  */
 875 struct hid_report *hid_validate_values(struct hid_device *hid,
 876                                        unsigned int type, unsigned int id,
 877                                        unsigned int field_index,
 878                                        unsigned int report_counts)
 879 {
 880         struct hid_report *report;
 881
 882         if (type > HID_FEATURE_REPORT) {
 883                 hid_err(hid, "invalid HID report type %u\n", type);
 884                 return NULL;
 885         }
 886
 887         if (id >= HID_MAX_IDS) {
 888                 hid_err(hid, "invalid HID report id %u\n", id);
 889                 return NULL;
 890         }
 891
 892         /*
 893          * Explicitly not using hid_get_report() here since it depends on
 894          * ->numbered being checked, which may not always be the case when
 895          * drivers go to access report values.
 896          */
 897         if (id == 0) {
 898                 /*
 899                  * Validating on id 0 means we should examine the first
 900                  * report in the list.
 901                  */
 902                 report = list_entry(
 903                                 hid->report_enum[type].report_list.next,
 904                                 struct hid_report, list);
 905         } else {
 906                 report = hid->report_enum[type].report_id_hash[id];
 907         }
 908         if (!report) {
 909                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
 910                 return NULL;
 911         }
 912         if (report->maxfield <= field_index) {
 913                 hid_err(hid, "not enough fields in %s %u\n",
 914                         hid_report_names[type], id);
 915                 return NULL;
 916         }
 917         if (report->field[field_index]->report_count < report_counts) {
 918                 hid_err(hid, "not enough values in %s %u field %u\n",
 919                         hid_report_names[type], id, field_index);
 920                 return NULL;
 921         }
 922         return report;
 923 }
 924 EXPORT_SYMBOL_GPL(hid_validate_values);
 925
 926 /**
 927  * hid_open_report - open a driver-specific device report
 928  *
 929  * @device: hid device
 930  *
 931  * Parse a report description into a hid_device structure. Reports are
 932  * enumerated, fields are attached to these reports.
 933  * 0 returned on success, otherwise nonzero error value.
 934  *
 935  * This function (or the equivalent hid_parse() macro) should only be
 936  * called from probe() in drivers, before starting the device.
 937  */
 938 int hid_open_report(struct hid_device *device)
 939 {
 940         struct hid_parser *parser;
 941         struct hid_item item;
 942         unsigned int size;
 943         __u8 *start;
 944         __u8 *buf;
 945         __u8 *end;
 946         int ret;
 947         static int (*dispatch_type[])(struct hid_parser *parser,
 948                                       struct hid_item *item) = {
 949                 hid_parser_main,
 950                 hid_parser_global,
 951                 hid_parser_local,
 952                 hid_parser_reserved
 953         };
 954
 955         if (WARN_ON(device->status & HID_STAT_PARSED))
 956                 return -EBUSY;
 957
 958         start = device->dev_rdesc;
 959         if (WARN_ON(!start))
 960                 return -ENODEV;
 961         size = device->dev_rsize;
 962
 963         buf = kmemdup(start, size, GFP_KERNEL);
 964         if (buf == NULL)
 965                 return -ENOMEM;
 966
 967         if (device->driver->report_fixup)
 968                 start = device->driver->report_fixup(device, buf, &size);
 969         else
 970                 start = buf;
 971
 972         start = kmemdup(start, size, GFP_KERNEL);
 973         kfree(buf);
 974         if (start == NULL)
 975                 return -ENOMEM;
 976
 977         device->rdesc = start;
 978         device->rsize = size;
 979
 980         parser = vzalloc(sizeof(struct hid_parser));
 981         if (!parser) {
 982                 ret = -ENOMEM;
 983                 goto err;
 984         }
 985
 986         parser->device = device;
 987
 988         end = start + size;
 989
 990         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
 991                                      sizeof(struct hid_collection), GFP_KERNEL);
 992         if (!device->collection) {
 993                 ret = -ENOMEM;
 994                 goto err;
 995         }
 996         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
 997
 998         ret = -EINVAL;
 999         while ((start = fetch_item(start, end, &item)) != NULL) {
1000
1001                 if (item.format != HID_ITEM_FORMAT_SHORT) {
1002                         hid_err(device, "unexpected long global item\n");
1003                         goto err;
1004                 }
1005
1006                 if (dispatch_type[item.type](parser, &item)) {
1007                         hid_err(device, "item %u %u %u %u parsing failed\n",
1008                                 item.format, (unsigned)item.size,
1009                                 (unsigned)item.type, (unsigned)item.tag);
1010                         goto err;
1011                 }
1012
1013                 if (start == end) {
1014                         if (parser->collection_stack_ptr) {
1015                                 hid_err(device, "unbalanced collection at end of report description\n");
1016                                 goto err;
1017                         }
1018                         if (parser->local.delimiter_depth) {
1019                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1020                                 goto err;
1021                         }
1022                         vfree(parser);
1023                         device->status |= HID_STAT_PARSED;
1024                         return 0;
1025                 }
1026         }
1027
1028         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1029 err:
1030         vfree(parser);
1031         hid_close_report(device);
1032         return ret;
1033 }
1034 EXPORT_SYMBOL_GPL(hid_open_report);
1035
1036 /*
1037  * Convert a signed n-bit integer to signed 32-bit integer. Common
1038  * cases are done through the compiler, the screwed things has to be
1039  * done by hand.
1040  */
1041
1042 static s32 snto32(__u32 value, unsigned n)
1043 {
1044         switch (n) {
1045         case 8:  return ((__s8)value);
1046         case 16: return ((__s16)value);
1047         case 32: return ((__s32)value);
1048         }
1049         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1050 }
1051
1052 s32 hid_snto32(__u32 value, unsigned n)
1053 {
1054         return snto32(value, n);
1055 }
1056 EXPORT_SYMBOL_GPL(hid_snto32);
1057
1058 /*
1059  * Convert a signed 32-bit integer to a signed n-bit integer.
1060  */
1061
1062 static u32 s32ton(__s32 value, unsigned n)
1063 {
1064         s32 a = value >> (n - 1);
1065         if (a && a != -1)
1066                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1067         return value & ((1 << n) - 1);
1068 }
1069
1070 /*
1071  * Extract/implement a data field from/to a little endian report (bit array).
1072  *
1073  * Code sort-of follows HID spec:
1074  *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1075  *
1076  * While the USB HID spec allows unlimited length bit fields in "report
1077  * descriptors", most devices never use more than 16 bits.
1078  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1079  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1080  */
1081
1082 static u32 __extract(u8 *report, unsigned offset, int n)
1083 {
1084         unsigned int idx = offset / 8;
1085         unsigned int bit_nr = 0;
1086         unsigned int bit_shift = offset % 8;
1087         int bits_to_copy = 8 - bit_shift;
1088         u32 value = 0;
1089         u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
1090
1091         while (n > 0) {
1092                 value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1093                 n -= bits_to_copy;
1094                 bit_nr += bits_to_copy;
1095                 bits_to_copy = 8;
1096                 bit_shift = 0;
1097                 idx++;
1098         }
1099
1100         return value & mask;
1101 }
1102
1103 u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1104                         unsigned offset, unsigned n)
1105 {
1106         if (n > 32) {
1107                 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1108                          n, current->comm);
1109                 n = 32;
1110         }
1111
1112         return __extract(report, offset, n);
1113 }
1114 EXPORT_SYMBOL_GPL(hid_field_extract);
1115
1116 /*
1117  * "implement" : set bits in a little endian bit stream.
1118  * Same concepts as "extract" (see comments above).
1119  * The data mangled in the bit stream remains in little endian
1120  * order the whole time. It make more sense to talk about
1121  * endianness of register values by considering a register
1122  * a "cached" copy of the little endian bit stream.
1123  */
1124
1125 static void __implement(u8 *report, unsigned offset, int n, u32 value)
1126 {
1127         unsigned int idx = offset / 8;
1128         unsigned int bit_shift = offset % 8;
1129         int bits_to_set = 8 - bit_shift;
1130
1131         while (n - bits_to_set >= 0) {
1132                 report[idx] &= ~(0xff << bit_shift);
1133                 report[idx] |= value << bit_shift;
1134                 value >>= bits_to_set;
1135                 n -= bits_to_set;
1136                 bits_to_set = 8;
1137                 bit_shift = 0;
1138                 idx++;
1139         }
1140
1141         /* last nibble */
1142         if (n) {
1143                 u8 bit_mask = ((1U << n) - 1);
1144                 report[idx] &= ~(bit_mask << bit_shift);
1145                 report[idx] |= value << bit_shift;
1146         }
1147 }
1148
1149 static void implement(const struct hid_device *hid, u8 *report,
1150                       unsigned offset, unsigned n, u32 value)
1151 {
1152         if (unlikely(n > 32)) {
1153                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1154                          __func__, n, current->comm);
1155                 n = 32;
1156         } else if (n < 32) {
1157                 u32 m = (1U << n) - 1;
1158
1159                 if (unlikely(value > m)) {
1160                         hid_warn(hid,
1161                                  "%s() called with too large value %d (n: %d)! (%s)\n",
1162                                  __func__, value, n, current->comm);
1163                         WARN_ON(1);
1164                         value &= m;
1165                 }
1166         }
1167
1168         __implement(report, offset, n, value);
1169 }
1170
1171 /*
1172  * Search an array for a value.
1173  */
1174
1175 static int search(__s32 *array, __s32 value, unsigned n)
1176 {
1177         while (n--) {
1178                 if (*array++ == value)
1179                         return 0;
1180         }
1181         return -1;
1182 }
1183
1184 /**
1185  * hid_match_report - check if driver's raw_event should be called
1186  *
1187  * @hid: hid device
1188  * @report_type: type to match against
1189  *
1190  * compare hid->driver->report_table->report_type to report->type
1191  */
1192 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1193 {
1194         const struct hid_report_id *id = hid->driver->report_table;
1195
1196         if (!id) /* NULL means all */
1197                 return 1;
1198
1199         for (; id->report_type != HID_TERMINATOR; id++)
1200                 if (id->report_type == HID_ANY_ID ||
1201                                 id->report_type == report->type)
1202                         return 1;
1203         return 0;
1204 }
1205
1206 /**
1207  * hid_match_usage - check if driver's event should be called
1208  *
1209  * @hid: hid device
1210  * @usage: usage to match against
1211  *
1212  * compare hid->driver->usage_table->usage_{type,code} to
1213  * usage->usage_{type,code}
1214  */
1215 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1216 {
1217         const struct hid_usage_id *id = hid->driver->usage_table;
1218
1219         if (!id) /* NULL means all */
1220                 return 1;
1221
1222         for (; id->usage_type != HID_ANY_ID - 1; id++)
1223                 if ((id->usage_hid == HID_ANY_ID ||
1224                                 id->usage_hid == usage->hid) &&
1225                                 (id->usage_type == HID_ANY_ID ||
1226                                 id->usage_type == usage->type) &&
1227                                 (id->usage_code == HID_ANY_ID ||
1228                                  id->usage_code == usage->code))
1229                         return 1;
1230         return 0;
1231 }
1232
1233 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1234                 struct hid_usage *usage, __s32 value, int interrupt)
1235 {
1236         struct hid_driver *hdrv = hid->driver;
1237         int ret;
1238
1239         if (!list_empty(&hid->debug_list))
1240                 hid_dump_input(hid, usage, value);
1241
1242         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1243                 ret = hdrv->event(hid, field, usage, value);
1244                 if (ret != 0) {
1245                         if (ret < 0)
1246                                 hid_err(hid, "%s's event failed with %d\n",
1247                                                 hdrv->name, ret);
1248                         return;
1249                 }
1250         }
1251
1252         if (hid->claimed & HID_CLAIMED_INPUT)
1253                 hidinput_hid_event(hid, field, usage, value);
1254         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1255                 hid->hiddev_hid_event(hid, field, usage, value);
1256 }
1257
1258 /*
1259  * Analyse a received field, and fetch the data from it. The field
1260  * content is stored for next report processing (we do differential
1261  * reporting to the layer).
1262  */
1263
1264 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1265                             __u8 *data, int interrupt)
1266 {
1267         unsigned n;
1268         unsigned count = field->report_count;
1269         unsigned offset = field->report_offset;
1270         unsigned size = field->report_size;
1271         __s32 min = field->logical_minimum;
1272         __s32 max = field->logical_maximum;
1273         __s32 *value;
1274
1275         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1276         if (!value)
1277                 return;
1278
1279         for (n = 0; n < count; n++) {
1280
1281                 value[n] = min < 0 ?
1282                         snto32(hid_field_extract(hid, data, offset + n * size,
1283                                size), size) :
1284                         hid_field_extract(hid, data, offset + n * size, size);
1285
1286                 /* Ignore report if ErrorRollOver */
1287                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1288                     value[n] >= min && value[n] <= max &&
1289                     value[n] - min < field->maxusage &&
1290                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1291                         goto exit;
1292         }
1293
1294         for (n = 0; n < count; n++) {
1295
1296                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1297                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1298                         continue;
1299                 }
1300
1301                 if (field->value[n] >= min && field->value[n] <= max
1302                         && field->value[n] - min < field->maxusage
1303                         && field->usage[field->value[n] - min].hid
1304                         && search(value, field->value[n], count))
1305                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1306
1307                 if (value[n] >= min && value[n] <= max
1308                         && value[n] - min < field->maxusage
1309                         && field->usage[value[n] - min].hid
1310                         && search(field->value, value[n], count))
1311                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1312         }
1313
1314         memcpy(field->value, value, count * sizeof(__s32));
1315 exit:
1316         kfree(value);
1317 }
1318
1319 /*
1320  * Output the field into the report.
1321  */
1322
1323 static void hid_output_field(const struct hid_device *hid,
1324                              struct hid_field *field, __u8 *data)
1325 {
1326         unsigned count = field->report_count;
1327         unsigned offset = field->report_offset;
1328         unsigned size = field->report_size;
1329         unsigned n;
1330
1331         for (n = 0; n < count; n++) {
1332                 if (field->logical_minimum < 0) /* signed values */
1333                         implement(hid, data, offset + n * size, size,
1334                                   s32ton(field->value[n], size));
1335                 else                            /* unsigned values */
1336                         implement(hid, data, offset + n * size, size,
1337                                   field->value[n]);
1338         }
1339 }
1340
1341 /*
1342  * Create a report. 'data' has to be allocated using
1343  * hid_alloc_report_buf() so that it has proper size.
1344  */
1345
1346 void hid_output_report(struct hid_report *report, __u8 *data)
1347 {
1348         unsigned n;
1349
1350         if (report->id > 0)
1351                 *data++ = report->id;
1352
1353         memset(data, 0, ((report->size - 1) >> 3) + 1);
1354         for (n = 0; n < report->maxfield; n++)
1355                 hid_output_field(report->device, report->field[n], data);
1356 }
1357 EXPORT_SYMBOL_GPL(hid_output_report);
1358
1359 /*
1360  * Allocator for buffer that is going to be passed to hid_output_report()
1361  */
1362 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1363 {
1364         /*
1365          * 7 extra bytes are necessary to achieve proper functionality
1366          * of implement() working on 8 byte chunks
1367          */
1368
1369         int len = hid_report_len(report) + 7;
1370
1371         return kmalloc(len, flags);
1372 }
1373 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1374
1375 /*
1376  * Set a field value. The report this field belongs to has to be
1377  * created and transferred to the device, to set this value in the
1378  * device.
1379  */
1380
1381 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1382 {
1383         unsigned size;
1384
1385         if (!field)
1386                 return -1;
1387
1388         size = field->report_size;
1389
1390         hid_dump_input(field->report->device, field->usage + offset, value);
1391
1392         if (offset >= field->report_count) {
1393                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1394                                 offset, field->report_count);
1395                 return -1;
1396         }
1397         if (field->logical_minimum < 0) {
1398                 if (value != snto32(s32ton(value, size), size)) {
1399                         hid_err(field->report->device, "value %d is out of range\n", value);
1400                         return -1;
1401                 }
1402         }
1403         field->value[offset] = value;
1404         return 0;
1405 }
1406 EXPORT_SYMBOL_GPL(hid_set_field);
1407
1408 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1409                 const u8 *data)
1410 {
1411         struct hid_report *report;
1412         unsigned int n = 0;     /* Normally report number is 0 */
1413
1414         /* Device uses numbered reports, data[0] is report number */
1415         if (report_enum->numbered)
1416                 n = *data;
1417
1418         report = report_enum->report_id_hash[n];
1419         if (report == NULL)
1420                 dbg_hid("undefined report_id %u received\n", n);
1421
1422         return report;
1423 }
1424
1425 /*
1426  * Implement a generic .request() callback, using .raw_request()
1427  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1428  */
1429 void __hid_request(struct hid_device *hid, struct hid_report *report,
1430                 int reqtype)
1431 {
1432         char *buf;
1433         int ret;
1434         int len;
1435
1436         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1437         if (!buf)
1438                 return;
1439
1440         len = hid_report_len(report);
1441
1442         if (reqtype == HID_REQ_SET_REPORT)
1443                 hid_output_report(report, buf);
1444
1445         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1446                                           report->type, reqtype);
1447         if (ret < 0) {
1448                 dbg_hid("unable to complete request: %d\n", ret);
1449                 goto out;
1450         }
1451
1452         if (reqtype == HID_REQ_GET_REPORT)
1453                 hid_input_report(hid, report->type, buf, ret, 0);
1454
1455 out:
1456         kfree(buf);
1457 }
1458 EXPORT_SYMBOL_GPL(__hid_request);
1459
1460 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1461                 int interrupt)
1462 {
1463         struct hid_report_enum *report_enum = hid->report_enum + type;
1464         struct hid_report *report;
1465         struct hid_driver *hdrv;
1466         unsigned int a;
1467         int rsize, csize = size;
1468         u8 *cdata = data;
1469         int ret = 0;
1470
1471         report = hid_get_report(report_enum, data);
1472         if (!report)
1473                 goto out;
1474
1475         if (report_enum->numbered) {
1476                 cdata++;
1477                 csize--;
1478         }
1479
1480         rsize = ((report->size - 1) >> 3) + 1;
1481
1482         if (rsize > HID_MAX_BUFFER_SIZE)
1483                 rsize = HID_MAX_BUFFER_SIZE;
1484
1485         if (csize < rsize) {
1486                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1487                                 csize, rsize);
1488                 memset(cdata + csize, 0, rsize - csize);
1489         }
1490
1491         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1492                 hid->hiddev_report_event(hid, report);
1493         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1494                 ret = hidraw_report_event(hid, data, size);
1495                 if (ret)
1496                         goto out;
1497         }
1498
1499         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1500                 for (a = 0; a < report->maxfield; a++)
1501                         hid_input_field(hid, report->field[a], cdata, interrupt);
1502                 hdrv = hid->driver;
1503                 if (hdrv && hdrv->report)
1504                         hdrv->report(hid, report);
1505         }
1506
1507         if (hid->claimed & HID_CLAIMED_INPUT)
1508                 hidinput_report_event(hid, report);
1509 out:
1510         return ret;
1511 }
1512 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1513
1514 /**
1515  * hid_input_report - report data from lower layer (usb, bt...)
1516  *
1517  * @hid: hid device
1518  * @type: HID report type (HID_*_REPORT)
1519  * @data: report contents
1520  * @size: size of data parameter
1521  * @interrupt: distinguish between interrupt and control transfers
1522  *
1523  * This is data entry for lower layers.
1524  */
1525 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1526 {
1527         struct hid_report_enum *report_enum;
1528         struct hid_driver *hdrv;
1529         struct hid_report *report;
1530         int ret = 0;
1531
1532         if (!hid)
1533                 return -ENODEV;
1534
1535         if (down_trylock(&hid->driver_input_lock))
1536                 return -EBUSY;
1537
1538         if (!hid->driver) {
1539                 ret = -ENODEV;
1540                 goto unlock;
1541         }
1542         report_enum = hid->report_enum + type;
1543         hdrv = hid->driver;
1544
1545         if (!size) {
1546                 dbg_hid("empty report\n");
1547                 ret = -1;
1548                 goto unlock;
1549         }
1550
1551         /* Avoid unnecessary overhead if debugfs is disabled */
1552         if (!list_empty(&hid->debug_list))
1553                 hid_dump_report(hid, type, data, size);
1554
1555         report = hid_get_report(report_enum, data);
1556
1557         if (!report) {
1558                 ret = -1;
1559                 goto unlock;
1560         }
1561
1562         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1563                 ret = hdrv->raw_event(hid, report, data, size);
1564                 if (ret < 0)
1565                         goto unlock;
1566         }
1567
1568         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1569
1570 unlock:
1571         up(&hid->driver_input_lock);
1572         return ret;
1573 }
1574 EXPORT_SYMBOL_GPL(hid_input_report);
1575
1576 static bool hid_match_one_id(struct hid_device *hdev,
1577                 const struct hid_device_id *id)
1578 {
1579         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1580                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1581                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1582                 (id->product == HID_ANY_ID || id->product == hdev->product);
1583 }
1584
1585 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1586                 const struct hid_device_id *id)
1587 {
1588         for (; id->bus; id++)
1589                 if (hid_match_one_id(hdev, id))
1590                         return id;
1591
1592         return NULL;
1593 }
1594
1595 static const struct hid_device_id hid_hiddev_list[] = {
1596         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1597         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1598         { }
1599 };
1600
1601 static bool hid_hiddev(struct hid_device *hdev)
1602 {
1603         return !!hid_match_id(hdev, hid_hiddev_list);
1604 }
1605
1606
1607 static ssize_t
1608 read_report_descriptor(struct file *filp, struct kobject *kobj,
1609                 struct bin_attribute *attr,
1610                 char *buf, loff_t off, size_t count)
1611 {
1612         struct device *dev = kobj_to_dev(kobj);
1613         struct hid_device *hdev = to_hid_device(dev);
1614
1615         if (off >= hdev->rsize)
1616                 return 0;
1617
1618         if (off + count > hdev->rsize)
1619                 count = hdev->rsize - off;
1620
1621         memcpy(buf, hdev->rdesc + off, count);
1622
1623         return count;
1624 }
1625
1626 static ssize_t
1627 show_country(struct device *dev, struct device_attribute *attr,
1628                 char *buf)
1629 {
1630         struct hid_device *hdev = to_hid_device(dev);
1631
1632         return sprintf(buf, "%02x\n", hdev->country & 0xff);
1633 }
1634
1635 static struct bin_attribute dev_bin_attr_report_desc = {
1636         .attr = { .name = "report_descriptor", .mode = 0444 },
1637         .read = read_report_descriptor,
1638         .size = HID_MAX_DESCRIPTOR_SIZE,
1639 };
1640
1641 static struct device_attribute dev_attr_country = {
1642         .attr = { .name = "country", .mode = 0444 },
1643         .show = show_country,
1644 };
1645
1646 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1647 {
1648         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1649                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1650                 "Multi-Axis Controller"
1651         };
1652         const char *type, *bus;
1653         char buf[64] = "";
1654         unsigned int i;
1655         int len;
1656         int ret;
1657
1658         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1659                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1660         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1661                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1662         if (hdev->bus != BUS_USB)
1663                 connect_mask &= ~HID_CONNECT_HIDDEV;
1664         if (hid_hiddev(hdev))
1665                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1666
1667         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1668                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1669                 hdev->claimed |= HID_CLAIMED_INPUT;
1670
1671         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1672                         !hdev->hiddev_connect(hdev,
1673                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1674                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1675         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1676                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1677
1678         if (connect_mask & HID_CONNECT_DRIVER)
1679                 hdev->claimed |= HID_CLAIMED_DRIVER;
1680
1681         /* Drivers with the ->raw_event callback set are not required to connect
1682          * to any other listener. */
1683         if (!hdev->claimed && !hdev->driver->raw_event) {
1684                 hid_err(hdev, "device has no listeners, quitting\n");
1685                 return -ENODEV;
1686         }
1687
1688         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1689                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1690                 hdev->ff_init(hdev);
1691
1692         len = 0;
1693         if (hdev->claimed & HID_CLAIMED_INPUT)
1694                 len += sprintf(buf + len, "input");
1695         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1696                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1697                                 hdev->minor);
1698         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1699                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1700                                 ((struct hidraw *)hdev->hidraw)->minor);
1701
1702         type = "Device";
1703         for (i = 0; i < hdev->maxcollection; i++) {
1704                 struct hid_collection *col = &hdev->collection[i];
1705                 if (col->type == HID_COLLECTION_APPLICATION &&
1706                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1707                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1708                         type = types[col->usage & 0xffff];
1709                         break;
1710                 }
1711         }
1712
1713         switch (hdev->bus) {
1714         case BUS_USB:
1715                 bus = "USB";
1716                 break;
1717         case BUS_BLUETOOTH:
1718                 bus = "BLUETOOTH";
1719                 break;
1720         case BUS_I2C:
1721                 bus = "I2C";
1722                 break;
1723         default:
1724                 bus = "<UNKNOWN>";
1725         }
1726
1727         ret = device_create_file(&hdev->dev, &dev_attr_country);
1728         if (ret)
1729                 hid_warn(hdev,
1730                          "can't create sysfs country code attribute err: %d\n", ret);
1731
1732         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1733                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1734                  type, hdev->name, hdev->phys);
1735
1736         return 0;
1737 }
1738 EXPORT_SYMBOL_GPL(hid_connect);
1739
1740 void hid_disconnect(struct hid_device *hdev)
1741 {
1742         device_remove_file(&hdev->dev, &dev_attr_country);
1743         if (hdev->claimed & HID_CLAIMED_INPUT)
1744                 hidinput_disconnect(hdev);
1745         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1746                 hdev->hiddev_disconnect(hdev);
1747         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1748                 hidraw_disconnect(hdev);
1749         hdev->claimed = 0;
1750 }
1751 EXPORT_SYMBOL_GPL(hid_disconnect);
1752
1753 /*
1754  * A list of devices for which there is a specialized driver on HID bus.
1755  *
1756  * Please note that for multitouch devices (driven by hid-multitouch driver),
1757  * there is a proper autodetection and autoloading in place (based on presence
1758  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1759  * as we are doing the right thing in hid_scan_usage().
1760  *
1761  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1762  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1763  * used as a driver. See hid_scan_report().
1764  */
1765 static const struct hid_device_id hid_have_special_driver[] = {
1766         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1767         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1768         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1769         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1770         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1771         { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
1772         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1773         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1774         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1775         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1776         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1778         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1779         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1800         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1801         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1802         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1807         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1845         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1846         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1847         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1848         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1849         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1850         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1854         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
1855         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_TOUCHPAD) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1882 #if IS_ENABLED(CONFIG_HID_MAYFLASH)
1883         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) },
1884 #endif
1885         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
1887         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1910         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1924 #if IS_ENABLED(CONFIG_HID_LENOVO)
1925         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1927         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1929 #endif
1930         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1934         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1935         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1960 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1961         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1963 #endif
1964         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2003         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2004         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2005         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2007         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2008         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2009         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2010         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2011         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2012         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2013         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2014 #if IS_ENABLED(CONFIG_HID_ROCCAT)
2015         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2017         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2018         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2019         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2020         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2021         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2022         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2026         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2027         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2028         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2031 #endif
2032 #if IS_ENABLED(CONFIG_HID_SAITEK)
2033         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
2037         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2038         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2039         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2040 #endif
2041         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2043         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2044         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2045         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2046         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2047         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2048         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2049         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2050         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2051         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2052         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2053         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2054         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2055         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2056         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2057         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2058         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
2059         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2060         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2061         { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2062         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2063         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2064         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2065         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2066         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2067         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2068         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2069         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2070         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2071         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2072         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2073         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2074         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2075         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2076         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2077         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2078         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2079         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2080         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2081         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2082         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2083         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2084         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2085         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2086         { HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
2087         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2088         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2089         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2090         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2091         { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
2092         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2093         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2094         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2095         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2096         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2097         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2098         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2099         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2100         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2101         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2102         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2103         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2104         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2105         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2106         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2107         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2108         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2109         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2110         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2111
2112         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2113         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2114         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2115         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2116         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
2117         { }
2118 };
2119
2120 struct hid_dynid {
2121         struct list_head list;
2122         struct hid_device_id id;
2123 };
2124
2125 /**
2126  * store_new_id - add a new HID device ID to this driver and re-probe devices
2127  * @driver: target device driver
2128  * @buf: buffer for scanning device ID data
2129  * @count: input size
2130  *
2131  * Adds a new dynamic hid device ID to this driver,
2132  * and causes the driver to probe for all devices again.
2133  */
2134 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2135                 size_t count)
2136 {
2137         struct hid_driver *hdrv = to_hid_driver(drv);
2138         struct hid_dynid *dynid;
2139         __u32 bus, vendor, product;
2140         unsigned long driver_data = 0;
2141         int ret;
2142
2143         ret = sscanf(buf, "%x %x %x %lx",
2144                         &bus, &vendor, &product, &driver_data);
2145         if (ret < 3)
2146                 return -EINVAL;
2147
2148         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2149         if (!dynid)
2150                 return -ENOMEM;
2151
2152         dynid->id.bus = bus;
2153         dynid->id.group = HID_GROUP_ANY;
2154         dynid->id.vendor = vendor;
2155         dynid->id.product = product;
2156         dynid->id.driver_data = driver_data;
2157
2158         spin_lock(&hdrv->dyn_lock);
2159         list_add_tail(&dynid->list, &hdrv->dyn_list);
2160         spin_unlock(&hdrv->dyn_lock);
2161
2162         ret = driver_attach(&hdrv->driver);
2163
2164         return ret ? : count;
2165 }
2166 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2167
2168 static void hid_free_dynids(struct hid_driver *hdrv)
2169 {
2170         struct hid_dynid *dynid, *n;
2171
2172         spin_lock(&hdrv->dyn_lock);
2173         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2174                 list_del(&dynid->list);
2175                 kfree(dynid);
2176         }
2177         spin_unlock(&hdrv->dyn_lock);
2178 }
2179
2180 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2181                 struct hid_driver *hdrv)
2182 {
2183         struct hid_dynid *dynid;
2184
2185         spin_lock(&hdrv->dyn_lock);
2186         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2187                 if (hid_match_one_id(hdev, &dynid->id)) {
2188                         spin_unlock(&hdrv->dyn_lock);
2189                         return &dynid->id;
2190                 }
2191         }
2192         spin_unlock(&hdrv->dyn_lock);
2193
2194         return hid_match_id(hdev, hdrv->id_table);
2195 }
2196
2197 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2198 {
2199         struct hid_driver *hdrv = to_hid_driver(drv);
2200         struct hid_device *hdev = to_hid_device(dev);
2201
2202         return hid_match_device(hdev, hdrv) != NULL;
2203 }
2204
2205 static int hid_device_probe(struct device *dev)
2206 {
2207         struct hid_driver *hdrv = to_hid_driver(dev->driver);
2208         struct hid_device *hdev = to_hid_device(dev);
2209         const struct hid_device_id *id;
2210         int ret = 0;
2211
2212         if (down_interruptible(&hdev->driver_lock))
2213                 return -EINTR;
2214         if (down_interruptible(&hdev->driver_input_lock)) {
2215                 ret = -EINTR;
2216                 goto unlock_driver_lock;
2217         }
2218         hdev->io_started = false;
2219
2220         if (!hdev->driver) {
2221                 id = hid_match_device(hdev, hdrv);
2222                 if (id == NULL) {
2223                         ret = -ENODEV;
2224                         goto unlock;
2225                 }
2226
2227                 hdev->driver = hdrv;
2228                 if (hdrv->probe) {
2229                         ret = hdrv->probe(hdev, id);
2230                 } else { /* default probe */
2231                         ret = hid_open_report(hdev);
2232                         if (!ret)
2233                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2234                 }
2235                 if (ret) {
2236                         hid_close_report(hdev);
2237                         hdev->driver = NULL;
2238                 }
2239         }
2240 unlock:
2241         if (!hdev->io_started)
2242                 up(&hdev->driver_input_lock);
2243 unlock_driver_lock:
2244         up(&hdev->driver_lock);
2245         return ret;
2246 }
2247
2248 static int hid_device_remove(struct device *dev)
2249 {
2250         struct hid_device *hdev = to_hid_device(dev);
2251         struct hid_driver *hdrv;
2252         int ret = 0;
2253
2254         if (down_interruptible(&hdev->driver_lock))
2255                 return -EINTR;
2256         if (down_interruptible(&hdev->driver_input_lock)) {
2257                 ret = -EINTR;
2258                 goto unlock_driver_lock;
2259         }
2260         hdev->io_started = false;
2261
2262         hdrv = hdev->driver;
2263         if (hdrv) {
2264                 if (hdrv->remove)
2265                         hdrv->remove(hdev);
2266                 else /* default remove */
2267                         hid_hw_stop(hdev);
2268                 hid_close_report(hdev);
2269                 hdev->driver = NULL;
2270         }
2271
2272         if (!hdev->io_started)
2273                 up(&hdev->driver_input_lock);
2274 unlock_driver_lock:
2275         up(&hdev->driver_lock);
2276         return ret;
2277 }
2278
2279 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2280                              char *buf)
2281 {
2282         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2283
2284         return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2285                          hdev->bus, hdev->group, hdev->vendor, hdev->product);
2286 }
2287 static DEVICE_ATTR_RO(modalias);
2288
2289 static struct attribute *hid_dev_attrs[] = {
2290         &dev_attr_modalias.attr,
2291         NULL,
2292 };
2293 static struct bin_attribute *hid_dev_bin_attrs[] = {
2294         &dev_bin_attr_report_desc,
2295         NULL
2296 };
2297 static const struct attribute_group hid_dev_group = {
2298         .attrs = hid_dev_attrs,
2299         .bin_attrs = hid_dev_bin_attrs,
2300 };
2301 __ATTRIBUTE_GROUPS(hid_dev);
2302
2303 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2304 {
2305         struct hid_device *hdev = to_hid_device(dev);
2306
2307         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2308                         hdev->bus, hdev->vendor, hdev->product))
2309                 return -ENOMEM;
2310
2311         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2312                 return -ENOMEM;
2313
2314         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2315                 return -ENOMEM;
2316
2317         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2318                 return -ENOMEM;
2319
2320         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2321                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2322                 return -ENOMEM;
2323
2324         return 0;
2325 }
2326
2327 static struct bus_type hid_bus_type = {
2328         .name           = "hid",
2329         .dev_groups     = hid_dev_groups,
2330         .match          = hid_bus_match,
2331         .probe          = hid_device_probe,
2332         .remove         = hid_device_remove,
2333         .uevent         = hid_uevent,
2334 };
2335
2336 /* a list of devices that shouldn't be handled by HID core at all */
2337 static const struct hid_device_id hid_ignore_list[] = {
2338         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2339         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2340         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2341         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2342         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2343         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2344         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2345         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2346         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2347         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2348         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2349         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2350         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2351         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2352         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2353         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2354         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2355         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2356         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2357         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2358         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2359         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2360         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2361         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2362         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2363         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2364         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2365         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2366         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2367         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2368         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2369         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2370         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2371         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2372         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2373         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2374         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2378         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2379         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2380         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2381         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2382         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2383         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2384         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2386         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2387         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2388         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2389         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2390         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2391         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2392         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2393         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2394         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2395         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2396         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2397         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2398         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2399         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2400         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2401         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2402         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2403         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2404         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2405         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2406         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2407         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2408         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2409         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2410         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2411         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2412         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2413         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2414         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2415         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2416         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2417         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2418         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2419         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2420         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2421         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2422         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2423         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2424         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2425         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2426         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2427         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2428         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2429         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2430         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2431         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2432         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2433         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2434         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2435         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2436         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2437         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2438         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2439         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2440         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2441         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2442         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2443         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2444         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2445         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2446         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2447         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2448         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2449         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2450         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2451         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2452         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2453         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2454         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2455         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2456         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2457         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2458         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2459         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2460         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2461         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2462         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2463         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2464         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2465         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2466         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2467         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2468         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2469         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2470         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2471         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2472         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2473         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2474         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2475         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2476         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2477         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2478         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2479         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2480         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2481         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2482         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2483         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2484         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2485         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2486         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2487         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2488         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2489 #if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
2490         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2491         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2492         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2493         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2494         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2495         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2496         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2497         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2498 #endif
2499         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2500         { }
2501 };
2502
2503 /**
2504  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2505  *
2506  * There are composite devices for which we want to ignore only a certain
2507  * interface. This is a list of devices for which only the mouse interface will
2508  * be ignored. This allows a dedicated driver to take care of the interface.
2509  */
2510 static const struct hid_device_id hid_mouse_ignore_list[] = {
2511         /* appletouch driver */
2512         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2513         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2514         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2515         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2516         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2517         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2518         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2519         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2520         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2521         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2522         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2523         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2524         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2525         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2526         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2527         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2528         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2529         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2530         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2531         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2532         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2533         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2534         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2535         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2536         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2537         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2538         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2539         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2540         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2541         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2542         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2543         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2544         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2545         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2546         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2547         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2548         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2549         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2550         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2551         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2552         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2553         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2554         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2555         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2556         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2557         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2558         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2559         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2560         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2561         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2562         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2563         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2564         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2565         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2566         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2567         { }
2568 };
2569
2570 bool hid_ignore(struct hid_device *hdev)
2571 {
2572         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2573                 return false;
2574         if (hdev->quirks & HID_QUIRK_IGNORE)
2575                 return true;
2576
2577         switch (hdev->vendor) {
2578         case USB_VENDOR_ID_CODEMERCS:
2579                 /* ignore all Code Mercenaries IOWarrior devices */
2580                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2581                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2582                         return true;
2583                 break;
2584         case USB_VENDOR_ID_LOGITECH:
2585                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2586                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2587                         return true;
2588                 /*
2589                  * The Keene FM transmitter USB device has the same USB ID as
2590                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2591                  * Check if the name is that of the Keene device.
2592                  * For reference: the name of the AudioHub is
2593                  * "HOLTEK  AudioHub Speaker".
2594                  */
2595                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2596                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2597                                 return true;
2598                 break;
2599         case USB_VENDOR_ID_SOUNDGRAPH:
2600                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2601                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2602                         return true;
2603                 break;
2604         case USB_VENDOR_ID_HANWANG:
2605                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2606                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2607                         return true;
2608                 break;
2609         case USB_VENDOR_ID_JESS:
2610                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2611                                 hdev->type == HID_TYPE_USBNONE)
2612                         return true;
2613                 break;
2614         case USB_VENDOR_ID_VELLEMAN:
2615                 /* These are not HID devices.  They are handled by comedi. */
2616                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2617                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2618                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2619                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2620                         return true;
2621                 break;
2622         case USB_VENDOR_ID_ATMEL_V_USB:
2623                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2624                  * it has the same USB ID as many Atmel V-USB devices. This
2625                  * usb radio is handled by radio-ma901.c driver so we want
2626                  * ignore the hid. Check the name, bus, product and ignore
2627                  * if we have MA901 usb radio.
2628                  */
2629                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2630                         hdev->bus == BUS_USB &&
2631                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2632                         return true;
2633                 break;
2634         }
2635
2636         if (hdev->type == HID_TYPE_USBMOUSE &&
2637                         hid_match_id(hdev, hid_mouse_ignore_list))
2638                 return true;
2639
2640         return !!hid_match_id(hdev, hid_ignore_list);
2641 }
2642 EXPORT_SYMBOL_GPL(hid_ignore);
2643
2644 int hid_add_device(struct hid_device *hdev)
2645 {
2646         static atomic_t id = ATOMIC_INIT(0);
2647         int ret;
2648
2649         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2650                 return -EBUSY;
2651
2652         /* we need to kill them here, otherwise they will stay allocated to
2653          * wait for coming driver */
2654         if (hid_ignore(hdev))
2655                 return -ENODEV;
2656
2657         /*
2658          * Check for the mandatory transport channel.
2659          */
2660          if (!hdev->ll_driver->raw_request) {
2661                 hid_err(hdev, "transport driver missing .raw_request()\n");
2662                 return -EINVAL;
2663          }
2664
2665         /*
2666          * Read the device report descriptor once and use as template
2667          * for the driver-specific modifications.
2668          */
2669         ret = hdev->ll_driver->parse(hdev);
2670         if (ret)
2671                 return ret;
2672         if (!hdev->dev_rdesc)
2673                 return -ENODEV;
2674
2675         /*
2676          * Scan generic devices for group information
2677          */
2678         if (hid_ignore_special_drivers) {
2679                 hdev->group = HID_GROUP_GENERIC;
2680         } else if (!hdev->group &&
2681                    !hid_match_id(hdev, hid_have_special_driver)) {
2682                 ret = hid_scan_report(hdev);
2683                 if (ret)
2684                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2685         }
2686
2687         /* XXX hack, any other cleaner solution after the driver core
2688          * is converted to allow more than 20 bytes as the device name? */
2689         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2690                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2691
2692         hid_debug_register(hdev, dev_name(&hdev->dev));
2693         ret = device_add(&hdev->dev);
2694         if (!ret)
2695                 hdev->status |= HID_STAT_ADDED;
2696         else
2697                 hid_debug_unregister(hdev);
2698
2699         return ret;
2700 }
2701 EXPORT_SYMBOL_GPL(hid_add_device);
2702
2703 /**
2704  * hid_allocate_device - allocate new hid device descriptor
2705  *
2706  * Allocate and initialize hid device, so that hid_destroy_device might be
2707  * used to free it.
2708  *
2709  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2710  * error value.
2711  */
2712 struct hid_device *hid_allocate_device(void)
2713 {
2714         struct hid_device *hdev;
2715         int ret = -ENOMEM;
2716
2717         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2718         if (hdev == NULL)
2719                 return ERR_PTR(ret);
2720
2721         device_initialize(&hdev->dev);
2722         hdev->dev.release = hid_device_release;
2723         hdev->dev.bus = &hid_bus_type;
2724         device_enable_async_suspend(&hdev->dev);
2725
2726         hid_close_report(hdev);
2727
2728         init_waitqueue_head(&hdev->debug_wait);
2729         INIT_LIST_HEAD(&hdev->debug_list);
2730         spin_lock_init(&hdev->debug_list_lock);
2731         sema_init(&hdev->driver_lock, 1);
2732         sema_init(&hdev->driver_input_lock, 1);
2733
2734         return hdev;
2735 }
2736 EXPORT_SYMBOL_GPL(hid_allocate_device);
2737
2738 static void hid_remove_device(struct hid_device *hdev)
2739 {
2740         if (hdev->status & HID_STAT_ADDED) {
2741                 device_del(&hdev->dev);
2742                 hid_debug_unregister(hdev);
2743                 hdev->status &= ~HID_STAT_ADDED;
2744         }
2745         kfree(hdev->dev_rdesc);
2746         hdev->dev_rdesc = NULL;
2747         hdev->dev_rsize = 0;
2748 }
2749
2750 /**
2751  * hid_destroy_device - free previously allocated device
2752  *
2753  * @hdev: hid device
2754  *
2755  * If you allocate hid_device through hid_allocate_device, you should ever
2756  * free by this function.
2757  */
2758 void hid_destroy_device(struct hid_device *hdev)
2759 {
2760         hid_remove_device(hdev);
2761         put_device(&hdev->dev);
2762 }
2763 EXPORT_SYMBOL_GPL(hid_destroy_device);
2764
2765 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2766                 const char *mod_name)
2767 {
2768         int ret;
2769
2770         hdrv->driver.name = hdrv->name;
2771         hdrv->driver.bus = &hid_bus_type;
2772         hdrv->driver.owner = owner;
2773         hdrv->driver.mod_name = mod_name;
2774
2775         INIT_LIST_HEAD(&hdrv->dyn_list);
2776         spin_lock_init(&hdrv->dyn_lock);
2777
2778         ret = driver_register(&hdrv->driver);
2779         if (ret)
2780                 return ret;
2781
2782         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2783         if (ret)
2784                 driver_unregister(&hdrv->driver);
2785
2786         return ret;
2787 }
2788 EXPORT_SYMBOL_GPL(__hid_register_driver);
2789
2790 void hid_unregister_driver(struct hid_driver *hdrv)
2791 {
2792         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2793         driver_unregister(&hdrv->driver);
2794         hid_free_dynids(hdrv);
2795 }
2796 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2797
2798 int hid_check_keys_pressed(struct hid_device *hid)
2799 {
2800         struct hid_input *hidinput;
2801         int i;
2802
2803         if (!(hid->claimed & HID_CLAIMED_INPUT))
2804                 return 0;
2805
2806         list_for_each_entry(hidinput, &hid->inputs, list) {
2807                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2808                         if (hidinput->input->key[i])
2809                                 return 1;
2810         }
2811
2812         return 0;
2813 }
2814
2815 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2816
2817 static int __init hid_init(void)
2818 {
2819         int ret;
2820
2821         if (hid_debug)
2822                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2823                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2824
2825         ret = bus_register(&hid_bus_type);
2826         if (ret) {
2827                 pr_err("can't register hid bus\n");
2828                 goto err;
2829         }
2830
2831         ret = hidraw_init();
2832         if (ret)
2833                 goto err_bus;
2834
2835         hid_debug_init();
2836
2837         return 0;
2838 err_bus:
2839         bus_unregister(&hid_bus_type);
2840 err:
2841         return ret;
2842 }
2843
2844 static void __exit hid_exit(void)
2845 {
2846         hid_debug_exit();
2847         hidraw_exit();
2848         bus_unregister(&hid_bus_type);
2849 }
2850
2851 module_init(hid_init);
2852 module_exit(hid_exit);
2853
2854 MODULE_AUTHOR("Andreas Gal");
2855 MODULE_AUTHOR("Vojtech Pavlik");
2856 MODULE_AUTHOR("Jiri Kosina");
2857 MODULE_LICENSE(DRIVER_LICENSE);
2858