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
  47 int hid_debug = 0;
  48 module_param_named(debug, hid_debug, int, 0600);
  49 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
  50 EXPORT_SYMBOL_GPL(hid_debug);
  51
  52 static int hid_ignore_special_drivers = 0;
  53 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
  54 MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
  55
  56 /*
  57  * Register a new report for a device.
  58  */
  59
  60 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
  61 {
  62         struct hid_report_enum *report_enum = device->report_enum + type;
  63         struct hid_report *report;
  64
  65         if (id >= HID_MAX_IDS)
  66                 return NULL;
  67         if (report_enum->report_id_hash[id])
  68                 return report_enum->report_id_hash[id];
  69
  70         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
  71         if (!report)
  72                 return NULL;
  73
  74         if (id != 0)
  75                 report_enum->numbered = 1;
  76
  77         report->id = id;
  78         report->type = type;
  79         report->size = 0;
  80         report->device = device;
  81         report_enum->report_id_hash[id] = report;
  82
  83         list_add_tail(&report->list, &report_enum->report_list);
  84
  85         return report;
  86 }
  87 EXPORT_SYMBOL_GPL(hid_register_report);
  88
  89 /*
  90  * Register a new field for this report.
  91  */
  92
  93 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
  94 {
  95         struct hid_field *field;
  96
  97         if (report->maxfield == HID_MAX_FIELDS) {
  98                 hid_err(report->device, "too many fields in report\n");
  99                 return NULL;
 100         }
 101
 102         field = kzalloc((sizeof(struct hid_field) +
 103                          usages * sizeof(struct hid_usage) +
 104                          values * sizeof(unsigned)), GFP_KERNEL);
 105         if (!field)
 106                 return NULL;
 107
 108         field->index = report->maxfield++;
 109         report->field[field->index] = field;
 110         field->usage = (struct hid_usage *)(field + 1);
 111         field->value = (s32 *)(field->usage + usages);
 112         field->report = report;
 113
 114         return field;
 115 }
 116
 117 /*
 118  * Open a collection. The type/usage is pushed on the stack.
 119  */
 120
 121 static int open_collection(struct hid_parser *parser, unsigned type)
 122 {
 123         struct hid_collection *collection;
 124         unsigned usage;
 125
 126         usage = parser->local.usage[0];
 127
 128         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
 129                 hid_err(parser->device, "collection stack overflow\n");
 130                 return -EINVAL;
 131         }
 132
 133         if (parser->device->maxcollection == parser->device->collection_size) {
 134                 collection = kmalloc(sizeof(struct hid_collection) *
 135                                 parser->device->collection_size * 2, GFP_KERNEL);
 136                 if (collection == NULL) {
 137                         hid_err(parser->device, "failed to reallocate collection array\n");
 138                         return -ENOMEM;
 139                 }
 140                 memcpy(collection, parser->device->collection,
 141                         sizeof(struct hid_collection) *
 142                         parser->device->collection_size);
 143                 memset(collection + parser->device->collection_size, 0,
 144                         sizeof(struct hid_collection) *
 145                         parser->device->collection_size);
 146                 kfree(parser->device->collection);
 147                 parser->device->collection = collection;
 148                 parser->device->collection_size *= 2;
 149         }
 150
 151         parser->collection_stack[parser->collection_stack_ptr++] =
 152                 parser->device->maxcollection;
 153
 154         collection = parser->device->collection +
 155                 parser->device->maxcollection++;
 156         collection->type = type;
 157         collection->usage = usage;
 158         collection->level = parser->collection_stack_ptr - 1;
 159
 160         if (type == HID_COLLECTION_APPLICATION)
 161                 parser->device->maxapplication++;
 162
 163         return 0;
 164 }
 165
 166 /*
 167  * Close a collection.
 168  */
 169
 170 static int close_collection(struct hid_parser *parser)
 171 {
 172         if (!parser->collection_stack_ptr) {
 173                 hid_err(parser->device, "collection stack underflow\n");
 174                 return -EINVAL;
 175         }
 176         parser->collection_stack_ptr--;
 177         return 0;
 178 }
 179
 180 /*
 181  * Climb up the stack, search for the specified collection type
 182  * and return the usage.
 183  */
 184
 185 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
 186 {
 187         struct hid_collection *collection = parser->device->collection;
 188         int n;
 189
 190         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
 191                 unsigned index = parser->collection_stack[n];
 192                 if (collection[index].type == type)
 193                         return collection[index].usage;
 194         }
 195         return 0; /* we know nothing about this usage type */
 196 }
 197
 198 /*
 199  * Add a usage to the temporary parser table.
 200  */
 201
 202 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
 203 {
 204         if (parser->local.usage_index >= HID_MAX_USAGES) {
 205                 hid_err(parser->device, "usage index exceeded\n");
 206                 return -1;
 207         }
 208         parser->local.usage[parser->local.usage_index] = usage;
 209         parser->local.collection_index[parser->local.usage_index] =
 210                 parser->collection_stack_ptr ?
 211                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
 212         parser->local.usage_index++;
 213         return 0;
 214 }
 215
 216 /*
 217  * Register a new field for this report.
 218  */
 219
 220 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
 221 {
 222         struct hid_report *report;
 223         struct hid_field *field;
 224         unsigned usages;
 225         unsigned offset;
 226         unsigned i;
 227
 228         report = hid_register_report(parser->device, report_type, parser->global.report_id);
 229         if (!report) {
 230                 hid_err(parser->device, "hid_register_report failed\n");
 231                 return -1;
 232         }
 233
 234         /* Handle both signed and unsigned cases properly */
 235         if ((parser->global.logical_minimum < 0 &&
 236                 parser->global.logical_maximum <
 237                 parser->global.logical_minimum) ||
 238                 (parser->global.logical_minimum >= 0 &&
 239                 (__u32)parser->global.logical_maximum <
 240                 (__u32)parser->global.logical_minimum)) {
 241                 dbg_hid("logical range invalid 0x%x 0x%x\n",
 242                         parser->global.logical_minimum,
 243                         parser->global.logical_maximum);
 244                 return -1;
 245         }
 246
 247         offset = report->size;
 248         report->size += parser->global.report_size * parser->global.report_count;
 249
 250         if (!parser->local.usage_index) /* Ignore padding fields */
 251                 return 0;
 252
 253         usages = max_t(unsigned, parser->local.usage_index,
 254                                  parser->global.report_count);
 255
 256         field = hid_register_field(report, usages, parser->global.report_count);
 257         if (!field)
 258                 return 0;
 259
 260         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
 261         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
 262         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 263
 264         for (i = 0; i < usages; i++) {
 265                 unsigned j = i;
 266                 /* Duplicate the last usage we parsed if we have excess values */
 267                 if (i >= parser->local.usage_index)
 268                         j = parser->local.usage_index - 1;
 269                 field->usage[i].hid = parser->local.usage[j];
 270                 field->usage[i].collection_index =
 271                         parser->local.collection_index[j];
 272                 field->usage[i].usage_index = i;
 273         }
 274
 275         field->maxusage = usages;
 276         field->flags = flags;
 277         field->report_offset = offset;
 278         field->report_type = report_type;
 279         field->report_size = parser->global.report_size;
 280         field->report_count = parser->global.report_count;
 281         field->logical_minimum = parser->global.logical_minimum;
 282         field->logical_maximum = parser->global.logical_maximum;
 283         field->physical_minimum = parser->global.physical_minimum;
 284         field->physical_maximum = parser->global.physical_maximum;
 285         field->unit_exponent = parser->global.unit_exponent;
 286         field->unit = parser->global.unit;
 287
 288         return 0;
 289 }
 290
 291 /*
 292  * Read data value from item.
 293  */
 294
 295 static u32 item_udata(struct hid_item *item)
 296 {
 297         switch (item->size) {
 298         case 1: return item->data.u8;
 299         case 2: return item->data.u16;
 300         case 4: return item->data.u32;
 301         }
 302         return 0;
 303 }
 304
 305 static s32 item_sdata(struct hid_item *item)
 306 {
 307         switch (item->size) {
 308         case 1: return item->data.s8;
 309         case 2: return item->data.s16;
 310         case 4: return item->data.s32;
 311         }
 312         return 0;
 313 }
 314
 315 /*
 316  * Process a global item.
 317  */
 318
 319 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 320 {
 321         __s32 raw_value;
 322         switch (item->tag) {
 323         case HID_GLOBAL_ITEM_TAG_PUSH:
 324
 325                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
 326                         hid_err(parser->device, "global environment stack overflow\n");
 327                         return -1;
 328                 }
 329
 330                 memcpy(parser->global_stack + parser->global_stack_ptr++,
 331                         &parser->global, sizeof(struct hid_global));
 332                 return 0;
 333
 334         case HID_GLOBAL_ITEM_TAG_POP:
 335
 336                 if (!parser->global_stack_ptr) {
 337                         hid_err(parser->device, "global environment stack underflow\n");
 338                         return -1;
 339                 }
 340
 341                 memcpy(&parser->global, parser->global_stack +
 342                         --parser->global_stack_ptr, sizeof(struct hid_global));
 343                 return 0;
 344
 345         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
 346                 parser->global.usage_page = item_udata(item);
 347                 return 0;
 348
 349         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
 350                 parser->global.logical_minimum = item_sdata(item);
 351                 return 0;
 352
 353         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
 354                 if (parser->global.logical_minimum < 0)
 355                         parser->global.logical_maximum = item_sdata(item);
 356                 else
 357                         parser->global.logical_maximum = item_udata(item);
 358                 return 0;
 359
 360         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
 361                 parser->global.physical_minimum = item_sdata(item);
 362                 return 0;
 363
 364         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
 365                 if (parser->global.physical_minimum < 0)
 366                         parser->global.physical_maximum = item_sdata(item);
 367                 else
 368                         parser->global.physical_maximum = item_udata(item);
 369                 return 0;
 370
 371         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
 372                 /* Many devices provide unit exponent as a two's complement
 373                  * nibble due to the common misunderstanding of HID
 374                  * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
 375                  * both this and the standard encoding. */
 376                 raw_value = item_sdata(item);
 377                 if (!(raw_value & 0xfffffff0))
 378                         parser->global.unit_exponent = hid_snto32(raw_value, 4);
 379                 else
 380                         parser->global.unit_exponent = raw_value;
 381                 return 0;
 382
 383         case HID_GLOBAL_ITEM_TAG_UNIT:
 384                 parser->global.unit = item_udata(item);
 385                 return 0;
 386
 387         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 388                 parser->global.report_size = item_udata(item);
 389                 if (parser->global.report_size > 128) {
 390                         hid_err(parser->device, "invalid report_size %d\n",
 391                                         parser->global.report_size);
 392                         return -1;
 393                 }
 394                 return 0;
 395
 396         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
 397                 parser->global.report_count = item_udata(item);
 398                 if (parser->global.report_count > HID_MAX_USAGES) {
 399                         hid_err(parser->device, "invalid report_count %d\n",
 400                                         parser->global.report_count);
 401                         return -1;
 402                 }
 403                 return 0;
 404
 405         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
 406                 parser->global.report_id = item_udata(item);
 407                 if (parser->global.report_id == 0 ||
 408                     parser->global.report_id >= HID_MAX_IDS) {
 409                         hid_err(parser->device, "report_id %u is invalid\n",
 410                                 parser->global.report_id);
 411                         return -1;
 412                 }
 413                 return 0;
 414
 415         default:
 416                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
 417                 return -1;
 418         }
 419 }
 420
 421 /*
 422  * Process a local item.
 423  */
 424
 425 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
 426 {
 427         __u32 data;
 428         unsigned n;
 429         __u32 count;
 430
 431         data = item_udata(item);
 432
 433         switch (item->tag) {
 434         case HID_LOCAL_ITEM_TAG_DELIMITER:
 435
 436                 if (data) {
 437                         /*
 438                          * We treat items before the first delimiter
 439                          * as global to all usage sets (branch 0).
 440                          * In the moment we process only these global
 441                          * items and the first delimiter set.
 442                          */
 443                         if (parser->local.delimiter_depth != 0) {
 444                                 hid_err(parser->device, "nested delimiters\n");
 445                                 return -1;
 446                         }
 447                         parser->local.delimiter_depth++;
 448                         parser->local.delimiter_branch++;
 449                 } else {
 450                         if (parser->local.delimiter_depth < 1) {
 451                                 hid_err(parser->device, "bogus close delimiter\n");
 452                                 return -1;
 453                         }
 454                         parser->local.delimiter_depth--;
 455                 }
 456                 return 0;
 457
 458         case HID_LOCAL_ITEM_TAG_USAGE:
 459
 460                 if (parser->local.delimiter_branch > 1) {
 461                         dbg_hid("alternative usage ignored\n");
 462                         return 0;
 463                 }
 464
 465                 if (item->size <= 2)
 466                         data = (parser->global.usage_page << 16) + data;
 467
 468                 return hid_add_usage(parser, data);
 469
 470         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
 471
 472                 if (parser->local.delimiter_branch > 1) {
 473                         dbg_hid("alternative usage ignored\n");
 474                         return 0;
 475                 }
 476
 477                 if (item->size <= 2)
 478                         data = (parser->global.usage_page << 16) + data;
 479
 480                 parser->local.usage_minimum = data;
 481                 return 0;
 482
 483         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
 484
 485                 if (parser->local.delimiter_branch > 1) {
 486                         dbg_hid("alternative usage ignored\n");
 487                         return 0;
 488                 }
 489
 490                 if (item->size <= 2)
 491                         data = (parser->global.usage_page << 16) + data;
 492
 493                 count = data - parser->local.usage_minimum;
 494                 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
 495                         /*
 496                          * We do not warn if the name is not set, we are
 497                          * actually pre-scanning the device.
 498                          */
 499                         if (dev_name(&parser->device->dev))
 500                                 hid_warn(parser->device,
 501                                          "ignoring exceeding usage max\n");
 502                         data = HID_MAX_USAGES - parser->local.usage_index +
 503                                 parser->local.usage_minimum - 1;
 504                         if (data <= 0) {
 505                                 hid_err(parser->device,
 506                                         "no more usage index available\n");
 507                                 return -1;
 508                         }
 509                 }
 510
 511                 for (n = parser->local.usage_minimum; n <= data; n++)
 512                         if (hid_add_usage(parser, n)) {
 513                                 dbg_hid("hid_add_usage failed\n");
 514                                 return -1;
 515                         }
 516                 return 0;
 517
 518         default:
 519
 520                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
 521                 return 0;
 522         }
 523         return 0;
 524 }
 525
 526 /*
 527  * Process a main item.
 528  */
 529
 530 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
 531 {
 532         __u32 data;
 533         int ret;
 534
 535         data = item_udata(item);
 536
 537         switch (item->tag) {
 538         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 539                 ret = open_collection(parser, data & 0xff);
 540                 break;
 541         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 542                 ret = close_collection(parser);
 543                 break;
 544         case HID_MAIN_ITEM_TAG_INPUT:
 545                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
 546                 break;
 547         case HID_MAIN_ITEM_TAG_OUTPUT:
 548                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
 549                 break;
 550         case HID_MAIN_ITEM_TAG_FEATURE:
 551                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
 552                 break;
 553         default:
 554                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
 555                 ret = 0;
 556         }
 557
 558         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
 559
 560         return ret;
 561 }
 562
 563 /*
 564  * Process a reserved item.
 565  */
 566
 567 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
 568 {
 569         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
 570         return 0;
 571 }
 572
 573 /*
 574  * Free a report and all registered fields. The field->usage and
 575  * field->value table's are allocated behind the field, so we need
 576  * only to free(field) itself.
 577  */
 578
 579 static void hid_free_report(struct hid_report *report)
 580 {
 581         unsigned n;
 582
 583         for (n = 0; n < report->maxfield; n++)
 584                 kfree(report->field[n]);
 585         kfree(report);
 586 }
 587
 588 /*
 589  * Close report. This function returns the device
 590  * state to the point prior to hid_open_report().
 591  */
 592 static void hid_close_report(struct hid_device *device)
 593 {
 594         unsigned i, j;
 595
 596         for (i = 0; i < HID_REPORT_TYPES; i++) {
 597                 struct hid_report_enum *report_enum = device->report_enum + i;
 598
 599                 for (j = 0; j < HID_MAX_IDS; j++) {
 600                         struct hid_report *report = report_enum->report_id_hash[j];
 601                         if (report)
 602                                 hid_free_report(report);
 603                 }
 604                 memset(report_enum, 0, sizeof(*report_enum));
 605                 INIT_LIST_HEAD(&report_enum->report_list);
 606         }
 607
 608         kfree(device->rdesc);
 609         device->rdesc = NULL;
 610         device->rsize = 0;
 611
 612         kfree(device->collection);
 613         device->collection = NULL;
 614         device->collection_size = 0;
 615         device->maxcollection = 0;
 616         device->maxapplication = 0;
 617
 618         device->status &= ~HID_STAT_PARSED;
 619 }
 620
 621 /*
 622  * Free a device structure, all reports, and all fields.
 623  */
 624
 625 static void hid_device_release(struct device *dev)
 626 {
 627         struct hid_device *hid = to_hid_device(dev);
 628
 629         hid_close_report(hid);
 630         kfree(hid->dev_rdesc);
 631         kfree(hid);
 632 }
 633
 634 /*
 635  * Fetch a report description item from the data stream. We support long
 636  * items, though they are not used yet.
 637  */
 638
 639 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 640 {
 641         u8 b;
 642
 643         if ((end - start) <= 0)
 644                 return NULL;
 645
 646         b = *start++;
 647
 648         item->type = (b >> 2) & 3;
 649         item->tag  = (b >> 4) & 15;
 650
 651         if (item->tag == HID_ITEM_TAG_LONG) {
 652
 653                 item->format = HID_ITEM_FORMAT_LONG;
 654
 655                 if ((end - start) < 2)
 656                         return NULL;
 657
 658                 item->size = *start++;
 659                 item->tag  = *start++;
 660
 661                 if ((end - start) < item->size)
 662                         return NULL;
 663
 664                 item->data.longdata = start;
 665                 start += item->size;
 666                 return start;
 667         }
 668
 669         item->format = HID_ITEM_FORMAT_SHORT;
 670         item->size = b & 3;
 671
 672         switch (item->size) {
 673         case 0:
 674                 return start;
 675
 676         case 1:
 677                 if ((end - start) < 1)
 678                         return NULL;
 679                 item->data.u8 = *start++;
 680                 return start;
 681
 682         case 2:
 683                 if ((end - start) < 2)
 684                         return NULL;
 685                 item->data.u16 = get_unaligned_le16(start);
 686                 start = (__u8 *)((__le16 *)start + 1);
 687                 return start;
 688
 689         case 3:
 690                 item->size++;
 691                 if ((end - start) < 4)
 692                         return NULL;
 693                 item->data.u32 = get_unaligned_le32(start);
 694                 start = (__u8 *)((__le32 *)start + 1);
 695                 return start;
 696         }
 697
 698         return NULL;
 699 }
 700
 701 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
 702 {
 703         struct hid_device *hid = parser->device;
 704
 705         if (usage == HID_DG_CONTACTID)
 706                 hid->group = HID_GROUP_MULTITOUCH;
 707 }
 708
 709 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
 710 {
 711         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
 712             parser->global.report_size == 8)
 713                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
 714 }
 715
 716 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
 717 {
 718         struct hid_device *hid = parser->device;
 719         int i;
 720
 721         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
 722             type == HID_COLLECTION_PHYSICAL)
 723                 hid->group = HID_GROUP_SENSOR_HUB;
 724
 725         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
 726             hid->product == USB_DEVICE_ID_MS_POWER_COVER &&
 727             hid->group == HID_GROUP_MULTITOUCH)
 728                 hid->group = HID_GROUP_GENERIC;
 729
 730         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
 731                 for (i = 0; i < parser->local.usage_index; i++)
 732                         if (parser->local.usage[i] == HID_GD_POINTER)
 733                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
 734
 735         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
 736                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
 737 }
 738
 739 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
 740 {
 741         __u32 data;
 742         int i;
 743
 744         data = item_udata(item);
 745
 746         switch (item->tag) {
 747         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 748                 hid_scan_collection(parser, data & 0xff);
 749                 break;
 750         case HID_MAIN_ITEM_TAG_END_COLLECTION:
 751                 break;
 752         case HID_MAIN_ITEM_TAG_INPUT:
 753                 /* ignore constant inputs, they will be ignored by hid-input */
 754                 if (data & HID_MAIN_ITEM_CONSTANT)
 755                         break;
 756                 for (i = 0; i < parser->local.usage_index; i++)
 757                         hid_scan_input_usage(parser, parser->local.usage[i]);
 758                 break;
 759         case HID_MAIN_ITEM_TAG_OUTPUT:
 760                 break;
 761         case HID_MAIN_ITEM_TAG_FEATURE:
 762                 for (i = 0; i < parser->local.usage_index; i++)
 763                         hid_scan_feature_usage(parser, parser->local.usage[i]);
 764                 break;
 765         }
 766
 767         /* Reset the local parser environment */
 768         memset(&parser->local, 0, sizeof(parser->local));
 769
 770         return 0;
 771 }
 772
 773 /*
 774  * Scan a report descriptor before the device is added to the bus.
 775  * Sets device groups and other properties that determine what driver
 776  * to load.
 777  */
 778 static int hid_scan_report(struct hid_device *hid)
 779 {
 780         struct hid_parser *parser;
 781         struct hid_item item;
 782         __u8 *start = hid->dev_rdesc;
 783         __u8 *end = start + hid->dev_rsize;
 784         static int (*dispatch_type[])(struct hid_parser *parser,
 785                                       struct hid_item *item) = {
 786                 hid_scan_main,
 787                 hid_parser_global,
 788                 hid_parser_local,
 789                 hid_parser_reserved
 790         };
 791
 792         parser = vzalloc(sizeof(struct hid_parser));
 793         if (!parser)
 794                 return -ENOMEM;
 795
 796         parser->device = hid;
 797         hid->group = HID_GROUP_GENERIC;
 798
 799         /*
 800          * The parsing is simpler than the one in hid_open_report() as we should
 801          * be robust against hid errors. Those errors will be raised by
 802          * hid_open_report() anyway.
 803          */
 804         while ((start = fetch_item(start, end, &item)) != NULL)
 805                 dispatch_type[item.type](parser, &item);
 806
 807         /*
 808          * Handle special flags set during scanning.
 809          */
 810         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
 811             (hid->group == HID_GROUP_MULTITOUCH))
 812                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
 813
 814         /*
 815          * Vendor specific handlings
 816          */
 817         switch (hid->vendor) {
 818         case USB_VENDOR_ID_WACOM:
 819                 hid->group = HID_GROUP_WACOM;
 820                 break;
 821         case USB_VENDOR_ID_SYNAPTICS:
 822                 if (hid->group == HID_GROUP_GENERIC ||
 823                     hid->group == HID_GROUP_MULTITOUCH_WIN_8)
 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                                 if (IS_ENABLED(CONFIG_HID_RMI))
 831                                         hid->group = HID_GROUP_RMI;
 832                 break;
 833         }
 834
 835         vfree(parser);
 836         return 0;
 837 }
 838
 839 /**
 840  * hid_parse_report - parse device report
 841  *
 842  * @device: hid device
 843  * @start: report start
 844  * @size: report size
 845  *
 846  * Allocate the device report as read by the bus driver. This function should
 847  * only be called from parse() in ll drivers.
 848  */
 849 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
 850 {
 851         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
 852         if (!hid->dev_rdesc)
 853                 return -ENOMEM;
 854         hid->dev_rsize = size;
 855         return 0;
 856 }
 857 EXPORT_SYMBOL_GPL(hid_parse_report);
 858
 859 static const char * const hid_report_names[] = {
 860         "HID_INPUT_REPORT",
 861         "HID_OUTPUT_REPORT",
 862         "HID_FEATURE_REPORT",
 863 };
 864 /**
 865  * hid_validate_values - validate existing device report's value indexes
 866  *
 867  * @device: hid device
 868  * @type: which report type to examine
 869  * @id: which report ID to examine (0 for first)
 870  * @field_index: which report field to examine
 871  * @report_counts: expected number of values
 872  *
 873  * Validate the number of values in a given field of a given report, after
 874  * parsing.
 875  */
 876 struct hid_report *hid_validate_values(struct hid_device *hid,
 877                                        unsigned int type, unsigned int id,
 878                                        unsigned int field_index,
 879                                        unsigned int report_counts)
 880 {
 881         struct hid_report *report;
 882
 883         if (type > HID_FEATURE_REPORT) {
 884                 hid_err(hid, "invalid HID report type %u\n", type);
 885                 return NULL;
 886         }
 887
 888         if (id >= HID_MAX_IDS) {
 889                 hid_err(hid, "invalid HID report id %u\n", id);
 890                 return NULL;
 891         }
 892
 893         /*
 894          * Explicitly not using hid_get_report() here since it depends on
 895          * ->numbered being checked, which may not always be the case when
 896          * drivers go to access report values.
 897          */
 898         if (id == 0) {
 899                 /*
 900                  * Validating on id 0 means we should examine the first
 901                  * report in the list.
 902                  */
 903                 report = list_entry(
 904                                 hid->report_enum[type].report_list.next,
 905                                 struct hid_report, list);
 906         } else {
 907                 report = hid->report_enum[type].report_id_hash[id];
 908         }
 909         if (!report) {
 910                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
 911                 return NULL;
 912         }
 913         if (report->maxfield <= field_index) {
 914                 hid_err(hid, "not enough fields in %s %u\n",
 915                         hid_report_names[type], id);
 916                 return NULL;
 917         }
 918         if (report->field[field_index]->report_count < report_counts) {
 919                 hid_err(hid, "not enough values in %s %u field %u\n",
 920                         hid_report_names[type], id, field_index);
 921                 return NULL;
 922         }
 923         return report;
 924 }
 925 EXPORT_SYMBOL_GPL(hid_validate_values);
 926
 927 /**
 928  * hid_open_report - open a driver-specific device report
 929  *
 930  * @device: hid device
 931  *
 932  * Parse a report description into a hid_device structure. Reports are
 933  * enumerated, fields are attached to these reports.
 934  * 0 returned on success, otherwise nonzero error value.
 935  *
 936  * This function (or the equivalent hid_parse() macro) should only be
 937  * called from probe() in drivers, before starting the device.
 938  */
 939 int hid_open_report(struct hid_device *device)
 940 {
 941         struct hid_parser *parser;
 942         struct hid_item item;
 943         unsigned int size;
 944         __u8 *start;
 945         __u8 *buf;
 946         __u8 *end;
 947         int ret;
 948         static int (*dispatch_type[])(struct hid_parser *parser,
 949                                       struct hid_item *item) = {
 950                 hid_parser_main,
 951                 hid_parser_global,
 952                 hid_parser_local,
 953                 hid_parser_reserved
 954         };
 955
 956         if (WARN_ON(device->status & HID_STAT_PARSED))
 957                 return -EBUSY;
 958
 959         start = device->dev_rdesc;
 960         if (WARN_ON(!start))
 961                 return -ENODEV;
 962         size = device->dev_rsize;
 963
 964         buf = kmemdup(start, size, GFP_KERNEL);
 965         if (buf == NULL)
 966                 return -ENOMEM;
 967
 968         if (device->driver->report_fixup)
 969                 start = device->driver->report_fixup(device, buf, &size);
 970         else
 971                 start = buf;
 972
 973         start = kmemdup(start, size, GFP_KERNEL);
 974         kfree(buf);
 975         if (start == NULL)
 976                 return -ENOMEM;
 977
 978         device->rdesc = start;
 979         device->rsize = size;
 980
 981         parser = vzalloc(sizeof(struct hid_parser));
 982         if (!parser) {
 983                 ret = -ENOMEM;
 984                 goto err;
 985         }
 986
 987         parser->device = device;
 988
 989         end = start + size;
 990
 991         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
 992                                      sizeof(struct hid_collection), GFP_KERNEL);
 993         if (!device->collection) {
 994                 ret = -ENOMEM;
 995                 goto err;
 996         }
 997         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
 998
 999         ret = -EINVAL;
1000         while ((start = fetch_item(start, end, &item)) != NULL) {
1001
1002                 if (item.format != HID_ITEM_FORMAT_SHORT) {
1003                         hid_err(device, "unexpected long global item\n");
1004                         goto err;
1005                 }
1006
1007                 if (dispatch_type[item.type](parser, &item)) {
1008                         hid_err(device, "item %u %u %u %u parsing failed\n",
1009                                 item.format, (unsigned)item.size,
1010                                 (unsigned)item.type, (unsigned)item.tag);
1011                         goto err;
1012                 }
1013
1014                 if (start == end) {
1015                         if (parser->collection_stack_ptr) {
1016                                 hid_err(device, "unbalanced collection at end of report description\n");
1017                                 goto err;
1018                         }
1019                         if (parser->local.delimiter_depth) {
1020                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1021                                 goto err;
1022                         }
1023                         vfree(parser);
1024                         device->status |= HID_STAT_PARSED;
1025                         return 0;
1026                 }
1027         }
1028
1029         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1030 err:
1031         vfree(parser);
1032         hid_close_report(device);
1033         return ret;
1034 }
1035 EXPORT_SYMBOL_GPL(hid_open_report);
1036
1037 /*
1038  * Convert a signed n-bit integer to signed 32-bit integer. Common
1039  * cases are done through the compiler, the screwed things has to be
1040  * done by hand.
1041  */
1042
1043 static s32 snto32(__u32 value, unsigned n)
1044 {
1045         switch (n) {
1046         case 8:  return ((__s8)value);
1047         case 16: return ((__s16)value);
1048         case 32: return ((__s32)value);
1049         }
1050         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1051 }
1052
1053 s32 hid_snto32(__u32 value, unsigned n)
1054 {
1055         return snto32(value, n);
1056 }
1057 EXPORT_SYMBOL_GPL(hid_snto32);
1058
1059 /*
1060  * Convert a signed 32-bit integer to a signed n-bit integer.
1061  */
1062
1063 static u32 s32ton(__s32 value, unsigned n)
1064 {
1065         s32 a = value >> (n - 1);
1066         if (a && a != -1)
1067                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1068         return value & ((1 << n) - 1);
1069 }
1070
1071 /*
1072  * Extract/implement a data field from/to a little endian report (bit array).
1073  *
1074  * Code sort-of follows HID spec:
1075  *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1076  *
1077  * While the USB HID spec allows unlimited length bit fields in "report
1078  * descriptors", most devices never use more than 16 bits.
1079  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1080  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1081  */
1082
1083 static u32 __extract(u8 *report, unsigned offset, int n)
1084 {
1085         unsigned int idx = offset / 8;
1086         unsigned int bit_nr = 0;
1087         unsigned int bit_shift = offset % 8;
1088         int bits_to_copy = 8 - bit_shift;
1089         u32 value = 0;
1090         u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
1091
1092         while (n > 0) {
1093                 value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1094                 n -= bits_to_copy;
1095                 bit_nr += bits_to_copy;
1096                 bits_to_copy = 8;
1097                 bit_shift = 0;
1098                 idx++;
1099         }
1100
1101         return value & mask;
1102 }
1103
1104 u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1105                         unsigned offset, unsigned n)
1106 {
1107         if (n > 32) {
1108                 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1109                          n, current->comm);
1110                 n = 32;
1111         }
1112
1113         return __extract(report, offset, n);
1114 }
1115 EXPORT_SYMBOL_GPL(hid_field_extract);
1116
1117 /*
1118  * "implement" : set bits in a little endian bit stream.
1119  * Same concepts as "extract" (see comments above).
1120  * The data mangled in the bit stream remains in little endian
1121  * order the whole time. It make more sense to talk about
1122  * endianness of register values by considering a register
1123  * a "cached" copy of the little endian bit stream.
1124  */
1125
1126 static void __implement(u8 *report, unsigned offset, int n, u32 value)
1127 {
1128         unsigned int idx = offset / 8;
1129         unsigned int bit_shift = offset % 8;
1130         int bits_to_set = 8 - bit_shift;
1131
1132         while (n - bits_to_set >= 0) {
1133                 report[idx] &= ~(0xff << bit_shift);
1134                 report[idx] |= value << bit_shift;
1135                 value >>= bits_to_set;
1136                 n -= bits_to_set;
1137                 bits_to_set = 8;
1138                 bit_shift = 0;
1139                 idx++;
1140         }
1141
1142         /* last nibble */
1143         if (n) {
1144                 u8 bit_mask = ((1U << n) - 1);
1145                 report[idx] &= ~(bit_mask << bit_shift);
1146                 report[idx] |= value << bit_shift;
1147         }
1148 }
1149
1150 static void implement(const struct hid_device *hid, u8 *report,
1151                       unsigned offset, unsigned n, u32 value)
1152 {
1153         if (unlikely(n > 32)) {
1154                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1155                          __func__, n, current->comm);
1156                 n = 32;
1157         } else if (n < 32) {
1158                 u32 m = (1U << n) - 1;
1159
1160                 if (unlikely(value > m)) {
1161                         hid_warn(hid,
1162                                  "%s() called with too large value %d (n: %d)! (%s)\n",
1163                                  __func__, value, n, current->comm);
1164                         WARN_ON(1);
1165                         value &= m;
1166                 }
1167         }
1168
1169         __implement(report, offset, n, value);
1170 }
1171
1172 /*
1173  * Search an array for a value.
1174  */
1175
1176 static int search(__s32 *array, __s32 value, unsigned n)
1177 {
1178         while (n--) {
1179                 if (*array++ == value)
1180                         return 0;
1181         }
1182         return -1;
1183 }
1184
1185 /**
1186  * hid_match_report - check if driver's raw_event should be called
1187  *
1188  * @hid: hid device
1189  * @report_type: type to match against
1190  *
1191  * compare hid->driver->report_table->report_type to report->type
1192  */
1193 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1194 {
1195         const struct hid_report_id *id = hid->driver->report_table;
1196
1197         if (!id) /* NULL means all */
1198                 return 1;
1199
1200         for (; id->report_type != HID_TERMINATOR; id++)
1201                 if (id->report_type == HID_ANY_ID ||
1202                                 id->report_type == report->type)
1203                         return 1;
1204         return 0;
1205 }
1206
1207 /**
1208  * hid_match_usage - check if driver's event should be called
1209  *
1210  * @hid: hid device
1211  * @usage: usage to match against
1212  *
1213  * compare hid->driver->usage_table->usage_{type,code} to
1214  * usage->usage_{type,code}
1215  */
1216 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1217 {
1218         const struct hid_usage_id *id = hid->driver->usage_table;
1219
1220         if (!id) /* NULL means all */
1221                 return 1;
1222
1223         for (; id->usage_type != HID_ANY_ID - 1; id++)
1224                 if ((id->usage_hid == HID_ANY_ID ||
1225                                 id->usage_hid == usage->hid) &&
1226                                 (id->usage_type == HID_ANY_ID ||
1227                                 id->usage_type == usage->type) &&
1228                                 (id->usage_code == HID_ANY_ID ||
1229                                  id->usage_code == usage->code))
1230                         return 1;
1231         return 0;
1232 }
1233
1234 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1235                 struct hid_usage *usage, __s32 value, int interrupt)
1236 {
1237         struct hid_driver *hdrv = hid->driver;
1238         int ret;
1239
1240         if (!list_empty(&hid->debug_list))
1241                 hid_dump_input(hid, usage, value);
1242
1243         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1244                 ret = hdrv->event(hid, field, usage, value);
1245                 if (ret != 0) {
1246                         if (ret < 0)
1247                                 hid_err(hid, "%s's event failed with %d\n",
1248                                                 hdrv->name, ret);
1249                         return;
1250                 }
1251         }
1252
1253         if (hid->claimed & HID_CLAIMED_INPUT)
1254                 hidinput_hid_event(hid, field, usage, value);
1255         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1256                 hid->hiddev_hid_event(hid, field, usage, value);
1257 }
1258
1259 /*
1260  * Analyse a received field, and fetch the data from it. The field
1261  * content is stored for next report processing (we do differential
1262  * reporting to the layer).
1263  */
1264
1265 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1266                             __u8 *data, int interrupt)
1267 {
1268         unsigned n;
1269         unsigned count = field->report_count;
1270         unsigned offset = field->report_offset;
1271         unsigned size = field->report_size;
1272         __s32 min = field->logical_minimum;
1273         __s32 max = field->logical_maximum;
1274         __s32 *value;
1275
1276         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1277         if (!value)
1278                 return;
1279
1280         for (n = 0; n < count; n++) {
1281
1282                 value[n] = min < 0 ?
1283                         snto32(hid_field_extract(hid, data, offset + n * size,
1284                                size), size) :
1285                         hid_field_extract(hid, data, offset + n * size, size);
1286
1287                 /* Ignore report if ErrorRollOver */
1288                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1289                     value[n] >= min && value[n] <= max &&
1290                     value[n] - min < field->maxusage &&
1291                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1292                         goto exit;
1293         }
1294
1295         for (n = 0; n < count; n++) {
1296
1297                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1298                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1299                         continue;
1300                 }
1301
1302                 if (field->value[n] >= min && field->value[n] <= max
1303                         && field->value[n] - min < field->maxusage
1304                         && field->usage[field->value[n] - min].hid
1305                         && search(value, field->value[n], count))
1306                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1307
1308                 if (value[n] >= min && value[n] <= max
1309                         && value[n] - min < field->maxusage
1310                         && field->usage[value[n] - min].hid
1311                         && search(field->value, value[n], count))
1312                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1313         }
1314
1315         memcpy(field->value, value, count * sizeof(__s32));
1316 exit:
1317         kfree(value);
1318 }
1319
1320 /*
1321  * Output the field into the report.
1322  */
1323
1324 static void hid_output_field(const struct hid_device *hid,
1325                              struct hid_field *field, __u8 *data)
1326 {
1327         unsigned count = field->report_count;
1328         unsigned offset = field->report_offset;
1329         unsigned size = field->report_size;
1330         unsigned n;
1331
1332         for (n = 0; n < count; n++) {
1333                 if (field->logical_minimum < 0) /* signed values */
1334                         implement(hid, data, offset + n * size, size,
1335                                   s32ton(field->value[n], size));
1336                 else                            /* unsigned values */
1337                         implement(hid, data, offset + n * size, size,
1338                                   field->value[n]);
1339         }
1340 }
1341
1342 /*
1343  * Create a report. 'data' has to be allocated using
1344  * hid_alloc_report_buf() so that it has proper size.
1345  */
1346
1347 void hid_output_report(struct hid_report *report, __u8 *data)
1348 {
1349         unsigned n;
1350
1351         if (report->id > 0)
1352                 *data++ = report->id;
1353
1354         memset(data, 0, ((report->size - 1) >> 3) + 1);
1355         for (n = 0; n < report->maxfield; n++)
1356                 hid_output_field(report->device, report->field[n], data);
1357 }
1358 EXPORT_SYMBOL_GPL(hid_output_report);
1359
1360 /*
1361  * Allocator for buffer that is going to be passed to hid_output_report()
1362  */
1363 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1364 {
1365         /*
1366          * 7 extra bytes are necessary to achieve proper functionality
1367          * of implement() working on 8 byte chunks
1368          */
1369
1370         int len = hid_report_len(report) + 7;
1371
1372         return kmalloc(len, flags);
1373 }
1374 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1375
1376 /*
1377  * Set a field value. The report this field belongs to has to be
1378  * created and transferred to the device, to set this value in the
1379  * device.
1380  */
1381
1382 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1383 {
1384         unsigned size;
1385
1386         if (!field)
1387                 return -1;
1388
1389         size = field->report_size;
1390
1391         hid_dump_input(field->report->device, field->usage + offset, value);
1392
1393         if (offset >= field->report_count) {
1394                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1395                                 offset, field->report_count);
1396                 return -1;
1397         }
1398         if (field->logical_minimum < 0) {
1399                 if (value != snto32(s32ton(value, size), size)) {
1400                         hid_err(field->report->device, "value %d is out of range\n", value);
1401                         return -1;
1402                 }
1403         }
1404         field->value[offset] = value;
1405         return 0;
1406 }
1407 EXPORT_SYMBOL_GPL(hid_set_field);
1408
1409 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1410                 const u8 *data)
1411 {
1412         struct hid_report *report;
1413         unsigned int n = 0;     /* Normally report number is 0 */
1414
1415         /* Device uses numbered reports, data[0] is report number */
1416         if (report_enum->numbered)
1417                 n = *data;
1418
1419         report = report_enum->report_id_hash[n];
1420         if (report == NULL)
1421                 dbg_hid("undefined report_id %u received\n", n);
1422
1423         return report;
1424 }
1425
1426 /*
1427  * Implement a generic .request() callback, using .raw_request()
1428  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1429  */
1430 void __hid_request(struct hid_device *hid, struct hid_report *report,
1431                 int reqtype)
1432 {
1433         char *buf;
1434         int ret;
1435         int len;
1436
1437         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1438         if (!buf)
1439                 return;
1440
1441         len = hid_report_len(report);
1442
1443         if (reqtype == HID_REQ_SET_REPORT)
1444                 hid_output_report(report, buf);
1445
1446         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1447                                           report->type, reqtype);
1448         if (ret < 0) {
1449                 dbg_hid("unable to complete request: %d\n", ret);
1450                 goto out;
1451         }
1452
1453         if (reqtype == HID_REQ_GET_REPORT)
1454                 hid_input_report(hid, report->type, buf, ret, 0);
1455
1456 out:
1457         kfree(buf);
1458 }
1459 EXPORT_SYMBOL_GPL(__hid_request);
1460
1461 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1462                 int interrupt)
1463 {
1464         struct hid_report_enum *report_enum = hid->report_enum + type;
1465         struct hid_report *report;
1466         struct hid_driver *hdrv;
1467         unsigned int a;
1468         int rsize, csize = size;
1469         u8 *cdata = data;
1470         int ret = 0;
1471
1472         report = hid_get_report(report_enum, data);
1473         if (!report)
1474                 goto out;
1475
1476         if (report_enum->numbered) {
1477                 cdata++;
1478                 csize--;
1479         }
1480
1481         rsize = ((report->size - 1) >> 3) + 1;
1482
1483         if (rsize > HID_MAX_BUFFER_SIZE)
1484                 rsize = HID_MAX_BUFFER_SIZE;
1485
1486         if (csize < rsize) {
1487                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1488                                 csize, rsize);
1489                 memset(cdata + csize, 0, rsize - csize);
1490         }
1491
1492         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1493                 hid->hiddev_report_event(hid, report);
1494         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1495                 ret = hidraw_report_event(hid, data, size);
1496                 if (ret)
1497                         goto out;
1498         }
1499
1500         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1501                 for (a = 0; a < report->maxfield; a++)
1502                         hid_input_field(hid, report->field[a], cdata, interrupt);
1503                 hdrv = hid->driver;
1504                 if (hdrv && hdrv->report)
1505                         hdrv->report(hid, report);
1506         }
1507
1508         if (hid->claimed & HID_CLAIMED_INPUT)
1509                 hidinput_report_event(hid, report);
1510 out:
1511         return ret;
1512 }
1513 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1514
1515 /**
1516  * hid_input_report - report data from lower layer (usb, bt...)
1517  *
1518  * @hid: hid device
1519  * @type: HID report type (HID_*_REPORT)
1520  * @data: report contents
1521  * @size: size of data parameter
1522  * @interrupt: distinguish between interrupt and control transfers
1523  *
1524  * This is data entry for lower layers.
1525  */
1526 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1527 {
1528         struct hid_report_enum *report_enum;
1529         struct hid_driver *hdrv;
1530         struct hid_report *report;
1531         int ret = 0;
1532
1533         if (!hid)
1534                 return -ENODEV;
1535
1536         if (down_trylock(&hid->driver_input_lock))
1537                 return -EBUSY;
1538
1539         if (!hid->driver) {
1540                 ret = -ENODEV;
1541                 goto unlock;
1542         }
1543         report_enum = hid->report_enum + type;
1544         hdrv = hid->driver;
1545
1546         if (!size) {
1547                 dbg_hid("empty report\n");
1548                 ret = -1;
1549                 goto unlock;
1550         }
1551
1552         /* Avoid unnecessary overhead if debugfs is disabled */
1553         if (!list_empty(&hid->debug_list))
1554                 hid_dump_report(hid, type, data, size);
1555
1556         report = hid_get_report(report_enum, data);
1557
1558         if (!report) {
1559                 ret = -1;
1560                 goto unlock;
1561         }
1562
1563         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1564                 ret = hdrv->raw_event(hid, report, data, size);
1565                 if (ret < 0)
1566                         goto unlock;
1567         }
1568
1569         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1570
1571 unlock:
1572         up(&hid->driver_input_lock);
1573         return ret;
1574 }
1575 EXPORT_SYMBOL_GPL(hid_input_report);
1576
1577 static bool hid_match_one_id(struct hid_device *hdev,
1578                 const struct hid_device_id *id)
1579 {
1580         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1581                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1582                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1583                 (id->product == HID_ANY_ID || id->product == hdev->product);
1584 }
1585
1586 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1587                 const struct hid_device_id *id)
1588 {
1589         for (; id->bus; id++)
1590                 if (hid_match_one_id(hdev, id))
1591                         return id;
1592
1593         return NULL;
1594 }
1595
1596 static const struct hid_device_id hid_hiddev_list[] = {
1597         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1598         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1599         { }
1600 };
1601
1602 static bool hid_hiddev(struct hid_device *hdev)
1603 {
1604         return !!hid_match_id(hdev, hid_hiddev_list);
1605 }
1606
1607
1608 static ssize_t
1609 read_report_descriptor(struct file *filp, struct kobject *kobj,
1610                 struct bin_attribute *attr,
1611                 char *buf, loff_t off, size_t count)
1612 {
1613         struct device *dev = kobj_to_dev(kobj);
1614         struct hid_device *hdev = to_hid_device(dev);
1615
1616         if (off >= hdev->rsize)
1617                 return 0;
1618
1619         if (off + count > hdev->rsize)
1620                 count = hdev->rsize - off;
1621
1622         memcpy(buf, hdev->rdesc + off, count);
1623
1624         return count;
1625 }
1626
1627 static ssize_t
1628 show_country(struct device *dev, struct device_attribute *attr,
1629                 char *buf)
1630 {
1631         struct hid_device *hdev = to_hid_device(dev);
1632
1633         return sprintf(buf, "%02x\n", hdev->country & 0xff);
1634 }
1635
1636 static struct bin_attribute dev_bin_attr_report_desc = {
1637         .attr = { .name = "report_descriptor", .mode = 0444 },
1638         .read = read_report_descriptor,
1639         .size = HID_MAX_DESCRIPTOR_SIZE,
1640 };
1641
1642 static struct device_attribute dev_attr_country = {
1643         .attr = { .name = "country", .mode = 0444 },
1644         .show = show_country,
1645 };
1646
1647 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1648 {
1649         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1650                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1651                 "Multi-Axis Controller"
1652         };
1653         const char *type, *bus;
1654         char buf[64] = "";
1655         unsigned int i;
1656         int len;
1657         int ret;
1658
1659         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1660                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1661         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1662                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1663         if (hdev->bus != BUS_USB)
1664                 connect_mask &= ~HID_CONNECT_HIDDEV;
1665         if (hid_hiddev(hdev))
1666                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1667
1668         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1669                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1670                 hdev->claimed |= HID_CLAIMED_INPUT;
1671
1672         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1673                         !hdev->hiddev_connect(hdev,
1674                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1675                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1676         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1677                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1678
1679         if (connect_mask & HID_CONNECT_DRIVER)
1680                 hdev->claimed |= HID_CLAIMED_DRIVER;
1681
1682         /* Drivers with the ->raw_event callback set are not required to connect
1683          * to any other listener. */
1684         if (!hdev->claimed && !hdev->driver->raw_event) {
1685                 hid_err(hdev, "device has no listeners, quitting\n");
1686                 return -ENODEV;
1687         }
1688
1689         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1690                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1691                 hdev->ff_init(hdev);
1692
1693         len = 0;
1694         if (hdev->claimed & HID_CLAIMED_INPUT)
1695                 len += sprintf(buf + len, "input");
1696         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1697                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1698                                 hdev->minor);
1699         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1700                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1701                                 ((struct hidraw *)hdev->hidraw)->minor);
1702
1703         type = "Device";
1704         for (i = 0; i < hdev->maxcollection; i++) {
1705                 struct hid_collection *col = &hdev->collection[i];
1706                 if (col->type == HID_COLLECTION_APPLICATION &&
1707                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1708                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1709                         type = types[col->usage & 0xffff];
1710                         break;
1711                 }
1712         }
1713
1714         switch (hdev->bus) {
1715         case BUS_USB:
1716                 bus = "USB";
1717                 break;
1718         case BUS_BLUETOOTH:
1719                 bus = "BLUETOOTH";
1720                 break;
1721         case BUS_I2C:
1722                 bus = "I2C";
1723                 break;
1724         default:
1725                 bus = "<UNKNOWN>";
1726         }
1727
1728         ret = device_create_file(&hdev->dev, &dev_attr_country);
1729         if (ret)
1730                 hid_warn(hdev,
1731                          "can't create sysfs country code attribute err: %d\n", ret);
1732
1733         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1734                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1735                  type, hdev->name, hdev->phys);
1736
1737         return 0;
1738 }
1739 EXPORT_SYMBOL_GPL(hid_connect);
1740
1741 void hid_disconnect(struct hid_device *hdev)
1742 {
1743         device_remove_file(&hdev->dev, &dev_attr_country);
1744         if (hdev->claimed & HID_CLAIMED_INPUT)
1745                 hidinput_disconnect(hdev);
1746         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1747                 hdev->hiddev_disconnect(hdev);
1748         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1749                 hidraw_disconnect(hdev);
1750         hdev->claimed = 0;
1751 }
1752 EXPORT_SYMBOL_GPL(hid_disconnect);
1753
1754 /*
1755  * A list of devices for which there is a specialized driver on HID bus.
1756  *
1757  * Please note that for multitouch devices (driven by hid-multitouch driver),
1758  * there is a proper autodetection and autoloading in place (based on presence
1759  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1760  * as we are doing the right thing in hid_scan_usage().
1761  *
1762  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1763  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1764  * used as a driver. See hid_scan_report().
1765  */
1766 static const struct hid_device_id hid_have_special_driver[] = {
1767         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1768         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1769         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1770         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1771         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1772         { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
1773         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1774         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1775         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1776         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1778         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1779         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1801         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1802         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1803         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1807         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1846         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1847         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1848         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1849         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1850         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1851         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1855         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
1856         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_TOUCHPAD) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1884 #if IS_ENABLED(CONFIG_HID_MAYFLASH)
1885         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) },
1889 #endif
1890         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
1892         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1916         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1930 #if IS_ENABLED(CONFIG_HID_LENOVO)
1931         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1933         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1935 #endif
1936         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MELFAS_MT) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1941         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1942         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1967 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1968         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1970 #endif
1971         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2003         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2004         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2005         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2007         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2008         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2009         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2010         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2011         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2012         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2013         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2014         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2015         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2017         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2018         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2019         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2020         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2021 #if IS_ENABLED(CONFIG_HID_ROCCAT)
2022         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2026         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2027         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2028         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2031         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2032         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2037         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2038 #endif
2039 #if IS_ENABLED(CONFIG_HID_SAITEK)
2040         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2041         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2043         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
2044         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2045         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2046         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2047 #endif
2048         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2049         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2050         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2051         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2052         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2053         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2054         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2055         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2056         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2057         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2058         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2059         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2060         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2061         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2062         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2063         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2064         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2065         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
2066         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2067         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2068         { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2069         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2070         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2071         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2072         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2073         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2074         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2075         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2076         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2077         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2078         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2079         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2080         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2081         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2082         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2083         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2084         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2085         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2086         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2087         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2088         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2089         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2090         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2091         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2092         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2093         { HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
2094         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2095         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2096         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2097         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2098         { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
2099         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2100         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2101         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2102         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2103         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2104         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2105         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2106         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2107         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2108         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2109         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2110         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2111         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2112         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2113         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2114         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2115         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
2116         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2117         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2118         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2119
2120         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2121         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2122         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2123         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2124         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
2125         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
2126         { }
2127 };
2128
2129 struct hid_dynid {
2130         struct list_head list;
2131         struct hid_device_id id;
2132 };
2133
2134 /**
2135  * store_new_id - add a new HID device ID to this driver and re-probe devices
2136  * @driver: target device driver
2137  * @buf: buffer for scanning device ID data
2138  * @count: input size
2139  *
2140  * Adds a new dynamic hid device ID to this driver,
2141  * and causes the driver to probe for all devices again.
2142  */
2143 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2144                 size_t count)
2145 {
2146         struct hid_driver *hdrv = to_hid_driver(drv);
2147         struct hid_dynid *dynid;
2148         __u32 bus, vendor, product;
2149         unsigned long driver_data = 0;
2150         int ret;
2151
2152         ret = sscanf(buf, "%x %x %x %lx",
2153                         &bus, &vendor, &product, &driver_data);
2154         if (ret < 3)
2155                 return -EINVAL;
2156
2157         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2158         if (!dynid)
2159                 return -ENOMEM;
2160
2161         dynid->id.bus = bus;
2162         dynid->id.group = HID_GROUP_ANY;
2163         dynid->id.vendor = vendor;
2164         dynid->id.product = product;
2165         dynid->id.driver_data = driver_data;
2166
2167         spin_lock(&hdrv->dyn_lock);
2168         list_add_tail(&dynid->list, &hdrv->dyn_list);
2169         spin_unlock(&hdrv->dyn_lock);
2170
2171         ret = driver_attach(&hdrv->driver);
2172
2173         return ret ? : count;
2174 }
2175 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2176
2177 static void hid_free_dynids(struct hid_driver *hdrv)
2178 {
2179         struct hid_dynid *dynid, *n;
2180
2181         spin_lock(&hdrv->dyn_lock);
2182         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2183                 list_del(&dynid->list);
2184                 kfree(dynid);
2185         }
2186         spin_unlock(&hdrv->dyn_lock);
2187 }
2188
2189 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2190                 struct hid_driver *hdrv)
2191 {
2192         struct hid_dynid *dynid;
2193
2194         spin_lock(&hdrv->dyn_lock);
2195         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2196                 if (hid_match_one_id(hdev, &dynid->id)) {
2197                         spin_unlock(&hdrv->dyn_lock);
2198                         return &dynid->id;
2199                 }
2200         }
2201         spin_unlock(&hdrv->dyn_lock);
2202
2203         return hid_match_id(hdev, hdrv->id_table);
2204 }
2205
2206 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2207 {
2208         struct hid_driver *hdrv = to_hid_driver(drv);
2209         struct hid_device *hdev = to_hid_device(dev);
2210
2211         return hid_match_device(hdev, hdrv) != NULL;
2212 }
2213
2214 static int hid_device_probe(struct device *dev)
2215 {
2216         struct hid_driver *hdrv = to_hid_driver(dev->driver);
2217         struct hid_device *hdev = to_hid_device(dev);
2218         const struct hid_device_id *id;
2219         int ret = 0;
2220
2221         if (down_interruptible(&hdev->driver_lock))
2222                 return -EINTR;
2223         if (down_interruptible(&hdev->driver_input_lock)) {
2224                 ret = -EINTR;
2225                 goto unlock_driver_lock;
2226         }
2227         hdev->io_started = false;
2228
2229         if (!hdev->driver) {
2230                 id = hid_match_device(hdev, hdrv);
2231                 if (id == NULL) {
2232                         ret = -ENODEV;
2233                         goto unlock;
2234                 }
2235
2236                 hdev->driver = hdrv;
2237                 if (hdrv->probe) {
2238                         ret = hdrv->probe(hdev, id);
2239                 } else { /* default probe */
2240                         ret = hid_open_report(hdev);
2241                         if (!ret)
2242                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2243                 }
2244                 if (ret) {
2245                         hid_close_report(hdev);
2246                         hdev->driver = NULL;
2247                 }
2248         }
2249 unlock:
2250         if (!hdev->io_started)
2251                 up(&hdev->driver_input_lock);
2252 unlock_driver_lock:
2253         up(&hdev->driver_lock);
2254         return ret;
2255 }
2256
2257 static int hid_device_remove(struct device *dev)
2258 {
2259         struct hid_device *hdev = to_hid_device(dev);
2260         struct hid_driver *hdrv;
2261         int ret = 0;
2262
2263         if (down_interruptible(&hdev->driver_lock))
2264                 return -EINTR;
2265         if (down_interruptible(&hdev->driver_input_lock)) {
2266                 ret = -EINTR;
2267                 goto unlock_driver_lock;
2268         }
2269         hdev->io_started = false;
2270
2271         hdrv = hdev->driver;
2272         if (hdrv) {
2273                 if (hdrv->remove)
2274                         hdrv->remove(hdev);
2275                 else /* default remove */
2276                         hid_hw_stop(hdev);
2277                 hid_close_report(hdev);
2278                 hdev->driver = NULL;
2279         }
2280
2281         if (!hdev->io_started)
2282                 up(&hdev->driver_input_lock);
2283 unlock_driver_lock:
2284         up(&hdev->driver_lock);
2285         return ret;
2286 }
2287
2288 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2289                              char *buf)
2290 {
2291         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2292
2293         return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2294                          hdev->bus, hdev->group, hdev->vendor, hdev->product);
2295 }
2296 static DEVICE_ATTR_RO(modalias);
2297
2298 static struct attribute *hid_dev_attrs[] = {
2299         &dev_attr_modalias.attr,
2300         NULL,
2301 };
2302 static struct bin_attribute *hid_dev_bin_attrs[] = {
2303         &dev_bin_attr_report_desc,
2304         NULL
2305 };
2306 static const struct attribute_group hid_dev_group = {
2307         .attrs = hid_dev_attrs,
2308         .bin_attrs = hid_dev_bin_attrs,
2309 };
2310 __ATTRIBUTE_GROUPS(hid_dev);
2311
2312 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2313 {
2314         struct hid_device *hdev = to_hid_device(dev);
2315
2316         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2317                         hdev->bus, hdev->vendor, hdev->product))
2318                 return -ENOMEM;
2319
2320         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2321                 return -ENOMEM;
2322
2323         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2324                 return -ENOMEM;
2325
2326         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2327                 return -ENOMEM;
2328
2329         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2330                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2331                 return -ENOMEM;
2332
2333         return 0;
2334 }
2335
2336 static struct bus_type hid_bus_type = {
2337         .name           = "hid",
2338         .dev_groups     = hid_dev_groups,
2339         .match          = hid_bus_match,
2340         .probe          = hid_device_probe,
2341         .remove         = hid_device_remove,
2342         .uevent         = hid_uevent,
2343 };
2344
2345 /* a list of devices that shouldn't be handled by HID core at all */
2346 static const struct hid_device_id hid_ignore_list[] = {
2347         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2348         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2349         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2350         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2351         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2352         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2353         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2354         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2355         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2356         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2357         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2358         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2359         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2360         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2361         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2362         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2363         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2364         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2365         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2366         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2367         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2368         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2369         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2370         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2371         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2372         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2373         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2374         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2378         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2379         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2380         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2381         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2382         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2383         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2384         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2386         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2387         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2388         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2389         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2390         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2391         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2392         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2393         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2394         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2395         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2396         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2397         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2398         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2399         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2400         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2401         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2402         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2403         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2404         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2405         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2406         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2407         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2408         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2409         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2410         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2411         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2412         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2413         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2414         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2415         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2416         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2417         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2418         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2419         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2420         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2421         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2422         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2423         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2424         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2425         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2426         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2427         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2428         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2429         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2430         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2431         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2432         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2433         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2434         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2435         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2436         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2437         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2438         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2439         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2440         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2441         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2442         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2443         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2444         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2445         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2446         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2447         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2448         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2449         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2450         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2451         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2452         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2453         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2454         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2455         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2456         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2457         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2458         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2459         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2460         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2461         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2462         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2463         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2464         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2465         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2466         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2467         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2468         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2469         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2470         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2471         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2472         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2473         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2474         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2475         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2476         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2477         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2478         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2479         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2480         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2481         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2482         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2483         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2484         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2485         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2486         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2487         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2488         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2489         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2490         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2491         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2492         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2493         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2494         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2495         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2496         { HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
2497         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2498         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2499 #if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
2500         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2501         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2502         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2503         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2504         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2505         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2506         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2507         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2508 #endif
2509         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2510         { }
2511 };
2512
2513 /**
2514  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2515  *
2516  * There are composite devices for which we want to ignore only a certain
2517  * interface. This is a list of devices for which only the mouse interface will
2518  * be ignored. This allows a dedicated driver to take care of the interface.
2519  */
2520 static const struct hid_device_id hid_mouse_ignore_list[] = {
2521         /* appletouch driver */
2522         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2523         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2524         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2525         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2526         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2527         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2528         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2529         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2530         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2531         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2532         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2533         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2534         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2535         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2536         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2537         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2538         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2539         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2540         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2541         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2542         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2543         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2544         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2545         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2546         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2547         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2548         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2549         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2550         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2551         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2552         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2553         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2554         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2555         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2556         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2557         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2558         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2559         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2560         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2561         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2562         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2563         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2564         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2565         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2566         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2567         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2568         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2569         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2570         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2571         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2572         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2573         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2574         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2575         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2576         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2577         { }
2578 };
2579
2580 bool hid_ignore(struct hid_device *hdev)
2581 {
2582         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2583                 return false;
2584         if (hdev->quirks & HID_QUIRK_IGNORE)
2585                 return true;
2586
2587         switch (hdev->vendor) {
2588         case USB_VENDOR_ID_CODEMERCS:
2589                 /* ignore all Code Mercenaries IOWarrior devices */
2590                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2591                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2592                         return true;
2593                 break;
2594         case USB_VENDOR_ID_LOGITECH:
2595                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2596                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2597                         return true;
2598                 /*
2599                  * The Keene FM transmitter USB device has the same USB ID as
2600                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2601                  * Check if the name is that of the Keene device.
2602                  * For reference: the name of the AudioHub is
2603                  * "HOLTEK  AudioHub Speaker".
2604                  */
2605                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2606                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2607                                 return true;
2608                 break;
2609         case USB_VENDOR_ID_SOUNDGRAPH:
2610                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2611                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2612                         return true;
2613                 break;
2614         case USB_VENDOR_ID_HANWANG:
2615                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2616                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2617                         return true;
2618                 break;
2619         case USB_VENDOR_ID_JESS:
2620                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2621                                 hdev->type == HID_TYPE_USBNONE)
2622                         return true;
2623                 break;
2624         case USB_VENDOR_ID_VELLEMAN:
2625                 /* These are not HID devices.  They are handled by comedi. */
2626                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2627                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2628                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2629                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2630                         return true;
2631                 break;
2632         case USB_VENDOR_ID_ATMEL_V_USB:
2633                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2634                  * it has the same USB ID as many Atmel V-USB devices. This
2635                  * usb radio is handled by radio-ma901.c driver so we want
2636                  * ignore the hid. Check the name, bus, product and ignore
2637                  * if we have MA901 usb radio.
2638                  */
2639                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2640                         hdev->bus == BUS_USB &&
2641                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2642                         return true;
2643                 break;
2644         }
2645
2646         if (hdev->type == HID_TYPE_USBMOUSE &&
2647                         hid_match_id(hdev, hid_mouse_ignore_list))
2648                 return true;
2649
2650         return !!hid_match_id(hdev, hid_ignore_list);
2651 }
2652 EXPORT_SYMBOL_GPL(hid_ignore);
2653
2654 int hid_add_device(struct hid_device *hdev)
2655 {
2656         static atomic_t id = ATOMIC_INIT(0);
2657         int ret;
2658
2659         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2660                 return -EBUSY;
2661
2662         /* we need to kill them here, otherwise they will stay allocated to
2663          * wait for coming driver */
2664         if (hid_ignore(hdev))
2665                 return -ENODEV;
2666
2667         /*
2668          * Check for the mandatory transport channel.
2669          */
2670          if (!hdev->ll_driver->raw_request) {
2671                 hid_err(hdev, "transport driver missing .raw_request()\n");
2672                 return -EINVAL;
2673          }
2674
2675         /*
2676          * Read the device report descriptor once and use as template
2677          * for the driver-specific modifications.
2678          */
2679         ret = hdev->ll_driver->parse(hdev);
2680         if (ret)
2681                 return ret;
2682         if (!hdev->dev_rdesc)
2683                 return -ENODEV;
2684
2685         /*
2686          * Scan generic devices for group information
2687          */
2688         if (hid_ignore_special_drivers) {
2689                 hdev->group = HID_GROUP_GENERIC;
2690         } else if (!hdev->group &&
2691                    !hid_match_id(hdev, hid_have_special_driver)) {
2692                 ret = hid_scan_report(hdev);
2693                 if (ret)
2694                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2695         }
2696
2697         /* XXX hack, any other cleaner solution after the driver core
2698          * is converted to allow more than 20 bytes as the device name? */
2699         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2700                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2701
2702         hid_debug_register(hdev, dev_name(&hdev->dev));
2703         ret = device_add(&hdev->dev);
2704         if (!ret)
2705                 hdev->status |= HID_STAT_ADDED;
2706         else
2707                 hid_debug_unregister(hdev);
2708
2709         return ret;
2710 }
2711 EXPORT_SYMBOL_GPL(hid_add_device);
2712
2713 /**
2714  * hid_allocate_device - allocate new hid device descriptor
2715  *
2716  * Allocate and initialize hid device, so that hid_destroy_device might be
2717  * used to free it.
2718  *
2719  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2720  * error value.
2721  */
2722 struct hid_device *hid_allocate_device(void)
2723 {
2724         struct hid_device *hdev;
2725         int ret = -ENOMEM;
2726
2727         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2728         if (hdev == NULL)
2729                 return ERR_PTR(ret);
2730
2731         device_initialize(&hdev->dev);
2732         hdev->dev.release = hid_device_release;
2733         hdev->dev.bus = &hid_bus_type;
2734         device_enable_async_suspend(&hdev->dev);
2735
2736         hid_close_report(hdev);
2737
2738         init_waitqueue_head(&hdev->debug_wait);
2739         INIT_LIST_HEAD(&hdev->debug_list);
2740         spin_lock_init(&hdev->debug_list_lock);
2741         sema_init(&hdev->driver_lock, 1);
2742         sema_init(&hdev->driver_input_lock, 1);
2743
2744         return hdev;
2745 }
2746 EXPORT_SYMBOL_GPL(hid_allocate_device);
2747
2748 static void hid_remove_device(struct hid_device *hdev)
2749 {
2750         if (hdev->status & HID_STAT_ADDED) {
2751                 device_del(&hdev->dev);
2752                 hid_debug_unregister(hdev);
2753                 hdev->status &= ~HID_STAT_ADDED;
2754         }
2755         kfree(hdev->dev_rdesc);
2756         hdev->dev_rdesc = NULL;
2757         hdev->dev_rsize = 0;
2758 }
2759
2760 /**
2761  * hid_destroy_device - free previously allocated device
2762  *
2763  * @hdev: hid device
2764  *
2765  * If you allocate hid_device through hid_allocate_device, you should ever
2766  * free by this function.
2767  */
2768 void hid_destroy_device(struct hid_device *hdev)
2769 {
2770         hid_remove_device(hdev);
2771         put_device(&hdev->dev);
2772 }
2773 EXPORT_SYMBOL_GPL(hid_destroy_device);
2774
2775 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2776                 const char *mod_name)
2777 {
2778         int ret;
2779
2780         hdrv->driver.name = hdrv->name;
2781         hdrv->driver.bus = &hid_bus_type;
2782         hdrv->driver.owner = owner;
2783         hdrv->driver.mod_name = mod_name;
2784
2785         INIT_LIST_HEAD(&hdrv->dyn_list);
2786         spin_lock_init(&hdrv->dyn_lock);
2787
2788         ret = driver_register(&hdrv->driver);
2789         if (ret)
2790                 return ret;
2791
2792         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2793         if (ret)
2794                 driver_unregister(&hdrv->driver);
2795
2796         return ret;
2797 }
2798 EXPORT_SYMBOL_GPL(__hid_register_driver);
2799
2800 void hid_unregister_driver(struct hid_driver *hdrv)
2801 {
2802         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2803         driver_unregister(&hdrv->driver);
2804         hid_free_dynids(hdrv);
2805 }
2806 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2807
2808 int hid_check_keys_pressed(struct hid_device *hid)
2809 {
2810         struct hid_input *hidinput;
2811         int i;
2812
2813         if (!(hid->claimed & HID_CLAIMED_INPUT))
2814                 return 0;
2815
2816         list_for_each_entry(hidinput, &hid->inputs, list) {
2817                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2818                         if (hidinput->input->key[i])
2819                                 return 1;
2820         }
2821
2822         return 0;
2823 }
2824
2825 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2826
2827 static int __init hid_init(void)
2828 {
2829         int ret;
2830
2831         if (hid_debug)
2832                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2833                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2834
2835         ret = bus_register(&hid_bus_type);
2836         if (ret) {
2837                 pr_err("can't register hid bus\n");
2838                 goto err;
2839         }
2840
2841         ret = hidraw_init();
2842         if (ret)
2843                 goto err_bus;
2844
2845         hid_debug_init();
2846
2847         return 0;
2848 err_bus:
2849         bus_unregister(&hid_bus_type);
2850 err:
2851         return ret;
2852 }
2853
2854 static void __exit hid_exit(void)
2855 {
2856         hid_debug_exit();
2857         hidraw_exit();
2858         bus_unregister(&hid_bus_type);
2859 }
2860
2861 module_init(hid_init);
2862 module_exit(hid_exit);
2863
2864 MODULE_AUTHOR("Andreas Gal");
2865 MODULE_AUTHOR("Vojtech Pavlik");
2866 MODULE_AUTHOR("Jiri Kosina");
2867 MODULE_LICENSE("GPL");
2868