LXR linux/drivers/hid/hid-core.c

   1/*
   2 *  HID support for Linux
   3 *
   4 *  Copyright (c) 1999 Andreas Gal
   5 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
   6 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
   7 *  Copyright (c) 2006-2012 Jiri Kosina
   8 */
   9
  10/*
  11 * This program is free software; you can redistribute it and/or modify it
  12 * under the terms of the GNU General Public License as published by the Free
  13 * Software Foundation; either version 2 of the License, or (at your option)
  14 * any later version.
  15 */
  16
  17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19#include <linux/module.h>
  20#include <linux/slab.h>
  21#include <linux/init.h>
  22#include <linux/kernel.h>
  23#include <linux/list.h>
  24#include <linux/mm.h>
  25#include <linux/spinlock.h>
  26#include <asm/unaligned.h>
  27#include <asm/byteorder.h>
  28#include <linux/input.h>
  29#include <linux/wait.h>
  30#include <linux/vmalloc.h>
  31#include <linux/sched.h>
  32#include <linux/semaphore.h>
  33
  34#include <linux/hid.h>
  35#include <linux/hiddev.h>
  36#include <linux/hid-debug.h>
  37#include <linux/hidraw.h>
  38
  39#include "hid-ids.h"
  40
  41/*
  42 * Version Information
  43 */
  44
  45#define DRIVER_DESC "HID core driver"
  46#define DRIVER_LICENSE "GPL"
  47
  48int hid_debug = 0;
  49module_param_named(debug, hid_debug, int, 0600);
  50MODULE_PARM_DESC(debug, "toggle HID debugging messages");
  51EXPORT_SYMBOL_GPL(hid_debug);
  52
  53static int hid_ignore_special_drivers = 0;
  54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
  55MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
  56
  57/*
  58 * Register a new report for a device.
  59 */
  60
  61struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
  62{
  63        struct hid_report_enum *report_enum = device->report_enum + type;
  64        struct hid_report *report;
  65
  66        if (id >= HID_MAX_IDS)
  67                return NULL;
  68        if (report_enum->report_id_hash[id])
  69                return report_enum->report_id_hash[id];
  70
  71        report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
  72        if (!report)
  73                return NULL;
  74
  75        if (id != 0)
  76                report_enum->numbered = 1;
  77
  78        report->id = id;
  79        report->type = type;
  80        report->size = 0;
  81        report->device = device;
  82        report_enum->report_id_hash[id] = report;
  83
  84        list_add_tail(&report->list, &report_enum->report_list);
  85
  86        return report;
  87}
  88EXPORT_SYMBOL_GPL(hid_register_report);
  89
  90/*
  91 * Register a new field for this report.
  92 */
  93
  94static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
  95{
  96        struct hid_field *field;
  97
  98        if (report->maxfield == HID_MAX_FIELDS) {
  99                hid_err(report->device, "too many fields in report\n");
 100                return NULL;
 101        }
 102
 103        field = kzalloc((sizeof(struct hid_field) +
 104                         usages * sizeof(struct hid_usage) +
 105                         values * sizeof(unsigned)), GFP_KERNEL);
 106        if (!field)
 107                return NULL;
 108
 109        field->index = report->maxfield++;
 110        report->field[field->index] = field;
 111        field->usage = (struct hid_usage *)(field + 1);
 112        field->value = (s32 *)(field->usage + usages);
 113        field->report = report;
 114
 115        return field;
 116}
 117
 118/*
 119 * Open a collection. The type/usage is pushed on the stack.
 120 */
 121
 122static int open_collection(struct hid_parser *parser, unsigned type)
 123{
 124        struct hid_collection *collection;
 125        unsigned usage;
 126
 127        usage = parser->local.usage[0];
 128
 129        if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
 130                hid_err(parser->device, "collection stack overflow\n");
 131                return -EINVAL;
 132        }
 133
 134        if (parser->device->maxcollection == parser->device->collection_size) {
 135                collection = kmalloc(sizeof(struct hid_collection) *
 136                                parser->device->collection_size * 2, GFP_KERNEL);
 137                if (collection == NULL) {
 138                        hid_err(parser->device, "failed to reallocate collection array\n");
 139                        return -ENOMEM;
 140                }
 141                memcpy(collection, parser->device->collection,
 142                        sizeof(struct hid_collection) *
 143                        parser->device->collection_size);
 144                memset(collection + parser->device->collection_size, 0,
 145                        sizeof(struct hid_collection) *
 146                        parser->device->collection_size);
 147                kfree(parser->device->collection);
 148                parser->device->collection = collection;
 149                parser->device->collection_size *= 2;
 150        }
 151
 152        parser->collection_stack[parser->collection_stack_ptr++] =
 153                parser->device->maxcollection;
 154
 155        collection = parser->device->collection +
 156                parser->device->maxcollection++;
 157        collection->type = type;
 158        collection->usage = usage;
 159        collection->level = parser->collection_stack_ptr - 1;
 160
 161        if (type == HID_COLLECTION_APPLICATION)
 162                parser->device->maxapplication++;
 163
 164        return 0;
 165}
 166
 167/*
 168 * Close a collection.
 169 */
 170
 171static int close_collection(struct hid_parser *parser)
 172{
 173        if (!parser->collection_stack_ptr) {
 174                hid_err(parser->device, "collection stack underflow\n");
 175                return -EINVAL;
 176        }
 177        parser->collection_stack_ptr--;
 178        return 0;
 179}
 180
 181/*
 182 * Climb up the stack, search for the specified collection type
 183 * and return the usage.
 184 */
 185
 186static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
 187{
 188        struct hid_collection *collection = parser->device->collection;
 189        int n;
 190
 191        for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
 192                unsigned index = parser->collection_stack[n];
 193                if (collection[index].type == type)
 194                        return collection[index].usage;
 195        }
 196        return 0; /* we know nothing about this usage type */
 197}
 198
 199/*
 200 * Add a usage to the temporary parser table.
 201 */
 202
 203static int hid_add_usage(struct hid_parser *parser, unsigned usage)
 204{
 205        if (parser->local.usage_index >= HID_MAX_USAGES) {
 206                hid_err(parser->device, "usage index exceeded\n");
 207                return -1;
 208        }
 209        parser->local.usage[parser->local.usage_index] = usage;
 210        parser->local.collection_index[parser->local.usage_index] =
 211                parser->collection_stack_ptr ?
 212                parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
 213        parser->local.usage_index++;
 214        return 0;
 215}
 216
 217/*
 218 * Register a new field for this report.
 219 */
 220
 221static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
 222{
 223        struct hid_report *report;
 224        struct hid_field *field;
 225        unsigned usages;
 226        unsigned offset;
 227        unsigned i;
 228
 229        report = hid_register_report(parser->device, report_type, parser->global.report_id);
 230        if (!report) {
 231                hid_err(parser->device, "hid_register_report failed\n");
 232                return -1;
 233        }
 234
 235        /* Handle both signed and unsigned cases properly */
 236        if ((parser->global.logical_minimum < 0 &&
 237                parser->global.logical_maximum <
 238                parser->global.logical_minimum) ||
 239                (parser->global.logical_minimum >= 0 &&
 240                (__u32)parser->global.logical_maximum <
 241                (__u32)parser->global.logical_minimum)) {
 242                dbg_hid("logical range invalid 0x%x 0x%x\n",
 243                        parser->global.logical_minimum,
 244                        parser->global.logical_maximum);
 245                return -1;
 246        }
 247
 248        offset = report->size;
 249        report->size += parser->global.report_size * parser->global.report_count;
 250
 251        if (!parser->local.usage_index) /* Ignore padding fields */
 252                return 0;
 253
 254        usages = max_t(unsigned, parser->local.usage_index,
 255                                 parser->global.report_count);
 256
 257        field = hid_register_field(report, usages, parser->global.report_count);
 258        if (!field)
 259                return 0;
 260
 261        field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
 262        field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
 263        field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
 264
 265        for (i = 0; i < usages; i++) {
 266                unsigned j = i;
 267                /* Duplicate the last usage we parsed if we have excess values */
 268                if (i >= parser->local.usage_index)
 269                        j = parser->local.usage_index - 1;
 270                field->usage[i].hid = parser->local.usage[j];
 271                field->usage[i].collection_index =
 272                        parser->local.collection_index[j];
 273                field->usage[i].usage_index = i;
 274        }
 275
 276        field->maxusage = usages;
 277        field->flags = flags;
 278        field->report_offset = offset;
 279        field->report_type = report_type;
 280        field->report_size = parser->global.report_size;
 281        field->report_count = parser->global.report_count;
 282        field->logical_minimum = parser->global.logical_minimum;
 283        field->logical_maximum = parser->global.logical_maximum;
 284        field->physical_minimum = parser->global.physical_minimum;
 285        field->physical_maximum = parser->global.physical_maximum;
 286        field->unit_exponent = parser->global.unit_exponent;
 287        field->unit = parser->global.unit;
 288
 289        return 0;
 290}
 291
 292/*
 293 * Read data value from item.
 294 */
 295
 296static u32 item_udata(struct hid_item *item)
 297{
 298        switch (item->size) {
 299        case 1: return item->data.u8;
 300        case 2: return item->data.u16;
 301        case 4: return item->data.u32;
 302        }
 303        return 0;
 304}
 305
 306static s32 item_sdata(struct hid_item *item)
 307{
 308        switch (item->size) {
 309        case 1: return item->data.s8;
 310        case 2: return item->data.s16;
 311        case 4: return item->data.s32;
 312        }
 313        return 0;
 314}
 315
 316/*
 317 * Process a global item.
 318 */
 319
 320static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
 321{
 322        __s32 raw_value;
 323        switch (item->tag) {
 324        case HID_GLOBAL_ITEM_TAG_PUSH:
 325
 326                if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
 327                        hid_err(parser->device, "global environment stack overflow\n");
 328                        return -1;
 329                }
 330
 331                memcpy(parser->global_stack + parser->global_stack_ptr++,
 332                        &parser->global, sizeof(struct hid_global));
 333                return 0;
 334
 335        case HID_GLOBAL_ITEM_TAG_POP:
 336
 337                if (!parser->global_stack_ptr) {
 338                        hid_err(parser->device, "global environment stack underflow\n");
 339                        return -1;
 340                }
 341
 342                memcpy(&parser->global, parser->global_stack +
 343                        --parser->global_stack_ptr, sizeof(struct hid_global));
 344                return 0;
 345
 346        case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
 347                parser->global.usage_page = item_udata(item);
 348                return 0;
 349
 350        case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
 351                parser->global.logical_minimum = item_sdata(item);
 352                return 0;
 353
 354        case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
 355                if (parser->global.logical_minimum < 0)
 356                        parser->global.logical_maximum = item_sdata(item);
 357                else
 358                        parser->global.logical_maximum = item_udata(item);
 359                return 0;
 360
 361        case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
 362                parser->global.physical_minimum = item_sdata(item);
 363                return 0;
 364
 365        case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
 366                if (parser->global.physical_minimum < 0)
 367                        parser->global.physical_maximum = item_sdata(item);
 368                else
 369                        parser->global.physical_maximum = item_udata(item);
 370                return 0;
 371
 372        case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
 373                /* Many devices provide unit exponent as a two's complement
 374                 * nibble due to the common misunderstanding of HID
 375                 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
 376                 * both this and the standard encoding. */
 377                raw_value = item_sdata(item);
 378                if (!(raw_value & 0xfffffff0))
 379                        parser->global.unit_exponent = hid_snto32(raw_value, 4);
 380                else
 381                        parser->global.unit_exponent = raw_value;
 382                return 0;
 383
 384        case HID_GLOBAL_ITEM_TAG_UNIT:
 385                parser->global.unit = item_udata(item);
 386                return 0;
 387
 388        case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
 389                parser->global.report_size = item_udata(item);
 390                if (parser->global.report_size > 128) {
 391                        hid_err(parser->device, "invalid report_size %d\n",
 392                                        parser->global.report_size);
 393                        return -1;
 394                }
 395                return 0;
 396
 397        case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
 398                parser->global.report_count = item_udata(item);
 399                if (parser->global.report_count > HID_MAX_USAGES) {
 400                        hid_err(parser->device, "invalid report_count %d\n",
 401                                        parser->global.report_count);
 402                        return -1;
 403                }
 404                return 0;
 405
 406        case HID_GLOBAL_ITEM_TAG_REPORT_ID:
 407                parser->global.report_id = item_udata(item);
 408                if (parser->global.report_id == 0 ||
 409                    parser->global.report_id >= HID_MAX_IDS) {
 410                        hid_err(parser->device, "report_id %u is invalid\n",
 411                                parser->global.report_id);
 412                        return -1;
 413                }
 414                return 0;
 415
 416        default:
 417                hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
 418                return -1;
 419        }
 420}
 421
 422/*
 423 * Process a local item.
 424 */
 425
 426static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
 427{
 428        __u32 data;
 429        unsigned n;
 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                for (n = parser->local.usage_minimum; n <= data; n++)
 494                        if (hid_add_usage(parser, n)) {
 495                                dbg_hid("hid_add_usage failed\n");
 496                                return -1;
 497                        }
 498                return 0;
 499
 500        default:
 501
 502                dbg_hid("unknown local item tag 0x%x\n", item->tag);
 503                return 0;
 504        }
 505        return 0;
 506}
 507
 508/*
 509 * Process a main item.
 510 */
 511
 512static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
 513{
 514        __u32 data;
 515        int ret;
 516
 517        data = item_udata(item);
 518
 519        switch (item->tag) {
 520        case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 521                ret = open_collection(parser, data & 0xff);
 522                break;
 523        case HID_MAIN_ITEM_TAG_END_COLLECTION:
 524                ret = close_collection(parser);
 525                break;
 526        case HID_MAIN_ITEM_TAG_INPUT:
 527                ret = hid_add_field(parser, HID_INPUT_REPORT, data);
 528                break;
 529        case HID_MAIN_ITEM_TAG_OUTPUT:
 530                ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
 531                break;
 532        case HID_MAIN_ITEM_TAG_FEATURE:
 533                ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
 534                break;
 535        default:
 536                hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
 537                ret = 0;
 538        }
 539
 540        memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
 541
 542        return ret;
 543}
 544
 545/*
 546 * Process a reserved item.
 547 */
 548
 549static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
 550{
 551        dbg_hid("reserved item type, tag 0x%x\n", item->tag);
 552        return 0;
 553}
 554
 555/*
 556 * Free a report and all registered fields. The field->usage and
 557 * field->value table's are allocated behind the field, so we need
 558 * only to free(field) itself.
 559 */
 560
 561static void hid_free_report(struct hid_report *report)
 562{
 563        unsigned n;
 564
 565        for (n = 0; n < report->maxfield; n++)
 566                kfree(report->field[n]);
 567        kfree(report);
 568}
 569
 570/*
 571 * Close report. This function returns the device
 572 * state to the point prior to hid_open_report().
 573 */
 574static void hid_close_report(struct hid_device *device)
 575{
 576        unsigned i, j;
 577
 578        for (i = 0; i < HID_REPORT_TYPES; i++) {
 579                struct hid_report_enum *report_enum = device->report_enum + i;
 580
 581                for (j = 0; j < HID_MAX_IDS; j++) {
 582                        struct hid_report *report = report_enum->report_id_hash[j];
 583                        if (report)
 584                                hid_free_report(report);
 585                }
 586                memset(report_enum, 0, sizeof(*report_enum));
 587                INIT_LIST_HEAD(&report_enum->report_list);
 588        }
 589
 590        kfree(device->rdesc);
 591        device->rdesc = NULL;
 592        device->rsize = 0;
 593
 594        kfree(device->collection);
 595        device->collection = NULL;
 596        device->collection_size = 0;
 597        device->maxcollection = 0;
 598        device->maxapplication = 0;
 599
 600        device->status &= ~HID_STAT_PARSED;
 601}
 602
 603/*
 604 * Free a device structure, all reports, and all fields.
 605 */
 606
 607static void hid_device_release(struct device *dev)
 608{
 609        struct hid_device *hid = container_of(dev, struct hid_device, dev);
 610
 611        hid_close_report(hid);
 612        kfree(hid->dev_rdesc);
 613        kfree(hid);
 614}
 615
 616/*
 617 * Fetch a report description item from the data stream. We support long
 618 * items, though they are not used yet.
 619 */
 620
 621static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
 622{
 623        u8 b;
 624
 625        if ((end - start) <= 0)
 626                return NULL;
 627
 628        b = *start++;
 629
 630        item->type = (b >> 2) & 3;
 631        item->tag  = (b >> 4) & 15;
 632
 633        if (item->tag == HID_ITEM_TAG_LONG) {
 634
 635                item->format = HID_ITEM_FORMAT_LONG;
 636
 637                if ((end - start) < 2)
 638                        return NULL;
 639
 640                item->size = *start++;
 641                item->tag  = *start++;
 642
 643                if ((end - start) < item->size)
 644                        return NULL;
 645
 646                item->data.longdata = start;
 647                start += item->size;
 648                return start;
 649        }
 650
 651        item->format = HID_ITEM_FORMAT_SHORT;
 652        item->size = b & 3;
 653
 654        switch (item->size) {
 655        case 0:
 656                return start;
 657
 658        case 1:
 659                if ((end - start) < 1)
 660                        return NULL;
 661                item->data.u8 = *start++;
 662                return start;
 663
 664        case 2:
 665                if ((end - start) < 2)
 666                        return NULL;
 667                item->data.u16 = get_unaligned_le16(start);
 668                start = (__u8 *)((__le16 *)start + 1);
 669                return start;
 670
 671        case 3:
 672                item->size++;
 673                if ((end - start) < 4)
 674                        return NULL;
 675                item->data.u32 = get_unaligned_le32(start);
 676                start = (__u8 *)((__le32 *)start + 1);
 677                return start;
 678        }
 679
 680        return NULL;
 681}
 682
 683static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
 684{
 685        struct hid_device *hid = parser->device;
 686
 687        if (usage == HID_DG_CONTACTID)
 688                hid->group = HID_GROUP_MULTITOUCH;
 689}
 690
 691static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
 692{
 693        if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
 694            parser->global.report_size == 8)
 695                parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
 696}
 697
 698static void hid_scan_collection(struct hid_parser *parser, unsigned type)
 699{
 700        struct hid_device *hid = parser->device;
 701        int i;
 702
 703        if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
 704            type == HID_COLLECTION_PHYSICAL)
 705                hid->group = HID_GROUP_SENSOR_HUB;
 706
 707        if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
 708            (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
 709             hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3_JP) &&
 710            hid->group == HID_GROUP_MULTITOUCH)
 711                hid->group = HID_GROUP_GENERIC;
 712
 713        if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
 714                for (i = 0; i < parser->local.usage_index; i++)
 715                        if (parser->local.usage[i] == HID_GD_POINTER)
 716                                parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
 717
 718        if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
 719                parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
 720}
 721
 722static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
 723{
 724        __u32 data;
 725        int i;
 726
 727        data = item_udata(item);
 728
 729        switch (item->tag) {
 730        case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 731                hid_scan_collection(parser, data & 0xff);
 732                break;
 733        case HID_MAIN_ITEM_TAG_END_COLLECTION:
 734                break;
 735        case HID_MAIN_ITEM_TAG_INPUT:
 736                /* ignore constant inputs, they will be ignored by hid-input */
 737                if (data & HID_MAIN_ITEM_CONSTANT)
 738                        break;
 739                for (i = 0; i < parser->local.usage_index; i++)
 740                        hid_scan_input_usage(parser, parser->local.usage[i]);
 741                break;
 742        case HID_MAIN_ITEM_TAG_OUTPUT:
 743                break;
 744        case HID_MAIN_ITEM_TAG_FEATURE:
 745                for (i = 0; i < parser->local.usage_index; i++)
 746                        hid_scan_feature_usage(parser, parser->local.usage[i]);
 747                break;
 748        }
 749
 750        /* Reset the local parser environment */
 751        memset(&parser->local, 0, sizeof(parser->local));
 752
 753        return 0;
 754}
 755
 756/*
 757 * Scan a report descriptor before the device is added to the bus.
 758 * Sets device groups and other properties that determine what driver
 759 * to load.
 760 */
 761static int hid_scan_report(struct hid_device *hid)
 762{
 763        struct hid_parser *parser;
 764        struct hid_item item;
 765        __u8 *start = hid->dev_rdesc;
 766        __u8 *end = start + hid->dev_rsize;
 767        static int (*dispatch_type[])(struct hid_parser *parser,
 768                                      struct hid_item *item) = {
 769                hid_scan_main,
 770                hid_parser_global,
 771                hid_parser_local,
 772                hid_parser_reserved
 773        };
 774
 775        parser = vzalloc(sizeof(struct hid_parser));
 776        if (!parser)
 777                return -ENOMEM;
 778
 779        parser->device = hid;
 780        hid->group = HID_GROUP_GENERIC;
 781
 782        /*
 783         * The parsing is simpler than the one in hid_open_report() as we should
 784         * be robust against hid errors. Those errors will be raised by
 785         * hid_open_report() anyway.
 786         */
 787        while ((start = fetch_item(start, end, &item)) != NULL)
 788                dispatch_type[item.type](parser, &item);
 789
 790        /*
 791         * Handle special flags set during scanning.
 792         */
 793        if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
 794            (hid->group == HID_GROUP_MULTITOUCH))
 795                hid->group = HID_GROUP_MULTITOUCH_WIN_8;
 796
 797        /*
 798         * Vendor specific handlings
 799         */
 800        switch (hid->vendor) {
 801        case USB_VENDOR_ID_WACOM:
 802                hid->group = HID_GROUP_WACOM;
 803                break;
 804        case USB_VENDOR_ID_SYNAPTICS:
 805                if (hid->group == HID_GROUP_GENERIC)
 806                        if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
 807                            && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
 808                                /*
 809                                 * hid-rmi should take care of them,
 810                                 * not hid-generic
 811                                 */
 812                                hid->group = HID_GROUP_RMI;
 813                break;
 814        }
 815
 816        vfree(parser);
 817        return 0;
 818}
 819
 820/**
 821 * hid_parse_report - parse device report
 822 *
 823 * @device: hid device
 824 * @start: report start
 825 * @size: report size
 826 *
 827 * Allocate the device report as read by the bus driver. This function should
 828 * only be called from parse() in ll drivers.
 829 */
 830int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
 831{
 832        hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
 833        if (!hid->dev_rdesc)
 834                return -ENOMEM;
 835        hid->dev_rsize = size;
 836        return 0;
 837}
 838EXPORT_SYMBOL_GPL(hid_parse_report);
 839
 840static const char * const hid_report_names[] = {
 841        "HID_INPUT_REPORT",
 842        "HID_OUTPUT_REPORT",
 843        "HID_FEATURE_REPORT",
 844};
 845/**
 846 * hid_validate_values - validate existing device report's value indexes
 847 *
 848 * @device: hid device
 849 * @type: which report type to examine
 850 * @id: which report ID to examine (0 for first)
 851 * @field_index: which report field to examine
 852 * @report_counts: expected number of values
 853 *
 854 * Validate the number of values in a given field of a given report, after
 855 * parsing.
 856 */
 857struct hid_report *hid_validate_values(struct hid_device *hid,
 858                                       unsigned int type, unsigned int id,
 859                                       unsigned int field_index,
 860                                       unsigned int report_counts)
 861{
 862        struct hid_report *report;
 863
 864        if (type > HID_FEATURE_REPORT) {
 865                hid_err(hid, "invalid HID report type %u\n", type);
 866                return NULL;
 867        }
 868
 869        if (id >= HID_MAX_IDS) {
 870                hid_err(hid, "invalid HID report id %u\n", id);
 871                return NULL;
 872        }
 873
 874        /*
 875         * Explicitly not using hid_get_report() here since it depends on
 876         * ->numbered being checked, which may not always be the case when
 877         * drivers go to access report values.
 878         */
 879        if (id == 0) {
 880                /*
 881                 * Validating on id 0 means we should examine the first
 882                 * report in the list.
 883                 */
 884                report = list_entry(
 885                                hid->report_enum[type].report_list.next,
 886                                struct hid_report, list);
 887        } else {
 888                report = hid->report_enum[type].report_id_hash[id];
 889        }
 890        if (!report) {
 891                hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
 892                return NULL;
 893        }
 894        if (report->maxfield <= field_index) {
 895                hid_err(hid, "not enough fields in %s %u\n",
 896                        hid_report_names[type], id);
 897                return NULL;
 898        }
 899        if (report->field[field_index]->report_count < report_counts) {
 900                hid_err(hid, "not enough values in %s %u field %u\n",
 901                        hid_report_names[type], id, field_index);
 902                return NULL;
 903        }
 904        return report;
 905}
 906EXPORT_SYMBOL_GPL(hid_validate_values);
 907
 908/**
 909 * hid_open_report - open a driver-specific device report
 910 *
 911 * @device: hid device
 912 *
 913 * Parse a report description into a hid_device structure. Reports are
 914 * enumerated, fields are attached to these reports.
 915 * 0 returned on success, otherwise nonzero error value.
 916 *
 917 * This function (or the equivalent hid_parse() macro) should only be
 918 * called from probe() in drivers, before starting the device.
 919 */
 920int hid_open_report(struct hid_device *device)
 921{
 922        struct hid_parser *parser;
 923        struct hid_item item;
 924        unsigned int size;
 925        __u8 *start;
 926        __u8 *buf;
 927        __u8 *end;
 928        int ret;
 929        static int (*dispatch_type[])(struct hid_parser *parser,
 930                                      struct hid_item *item) = {
 931                hid_parser_main,
 932                hid_parser_global,
 933                hid_parser_local,
 934                hid_parser_reserved
 935        };
 936
 937        if (WARN_ON(device->status & HID_STAT_PARSED))
 938                return -EBUSY;
 939
 940        start = device->dev_rdesc;
 941        if (WARN_ON(!start))
 942                return -ENODEV;
 943        size = device->dev_rsize;
 944
 945        buf = kmemdup(start, size, GFP_KERNEL);
 946        if (buf == NULL)
 947                return -ENOMEM;
 948
 949        if (device->driver->report_fixup)
 950                start = device->driver->report_fixup(device, buf, &size);
 951        else
 952                start = buf;
 953
 954        start = kmemdup(start, size, GFP_KERNEL);
 955        kfree(buf);
 956        if (start == NULL)
 957                return -ENOMEM;
 958
 959        device->rdesc = start;
 960        device->rsize = size;
 961
 962        parser = vzalloc(sizeof(struct hid_parser));
 963        if (!parser) {
 964                ret = -ENOMEM;
 965                goto err;
 966        }
 967
 968        parser->device = device;
 969
 970        end = start + size;
 971
 972        device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
 973                                     sizeof(struct hid_collection), GFP_KERNEL);
 974        if (!device->collection) {
 975                ret = -ENOMEM;
 976                goto err;
 977        }
 978        device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
 979
 980        ret = -EINVAL;
 981        while ((start = fetch_item(start, end, &item)) != NULL) {
 982
 983                if (item.format != HID_ITEM_FORMAT_SHORT) {
 984                        hid_err(device, "unexpected long global item\n");
 985                        goto err;
 986                }
 987
 988                if (dispatch_type[item.type](parser, &item)) {
 989                        hid_err(device, "item %u %u %u %u parsing failed\n",
 990                                item.format, (unsigned)item.size,
 991                                (unsigned)item.type, (unsigned)item.tag);
 992                        goto err;
 993                }
 994
 995                if (start == end) {
 996                        if (parser->collection_stack_ptr) {
 997                                hid_err(device, "unbalanced collection at end of report description\n");
 998                                goto err;
 999                        }
1000                        if (parser->local.delimiter_depth) {

1001                                hid_err(device, "unbalanced delimiter at end of report description\n");
1002                                goto err;
1003                        }
1004                        vfree(parser);
1005                        device->status |= HID_STAT_PARSED;
1006                        return 0;
1007                }
1008        }
1009
1010        hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1011err:
1012        vfree(parser);
1013        hid_close_report(device);
1014        return ret;
1015}
1016EXPORT_SYMBOL_GPL(hid_open_report);
1017
1018/*
1019 * Convert a signed n-bit integer to signed 32-bit integer. Common
1020 * cases are done through the compiler, the screwed things has to be
1021 * done by hand.
1022 */
1023
1024static s32 snto32(__u32 value, unsigned n)
1025{
1026        switch (n) {
1027        case 8:  return ((__s8)value);
1028        case 16: return ((__s16)value);
1029        case 32: return ((__s32)value);
1030        }
1031        return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1032}
1033
1034s32 hid_snto32(__u32 value, unsigned n)
1035{
1036        return snto32(value, n);
1037}
1038EXPORT_SYMBOL_GPL(hid_snto32);
1039
1040/*
1041 * Convert a signed 32-bit integer to a signed n-bit integer.
1042 */
1043
1044static u32 s32ton(__s32 value, unsigned n)
1045{
1046        s32 a = value >> (n - 1);
1047        if (a && a != -1)
1048                return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1049        return value & ((1 << n) - 1);
1050}
1051
1052/*
1053 * Extract/implement a data field from/to a little endian report (bit array).
1054 *
1055 * Code sort-of follows HID spec:
1056 *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1057 *
1058 * While the USB HID spec allows unlimited length bit fields in "report
1059 * descriptors", most devices never use more than 16 bits.
1060 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1061 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1062 */
1063
1064static __u32 extract(const struct hid_device *hid, __u8 *report,
1065                     unsigned offset, unsigned n)
1066{
1067        u64 x;
1068
1069        if (n > 32)
1070                hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1071                         n, current->comm);
1072
1073        report += offset >> 3;  /* adjust byte index */
1074        offset &= 7;            /* now only need bit offset into one byte */
1075        x = get_unaligned_le64(report);
1076        x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1077        return (u32) x;
1078}
1079
1080/*
1081 * "implement" : set bits in a little endian bit stream.
1082 * Same concepts as "extract" (see comments above).
1083 * The data mangled in the bit stream remains in little endian
1084 * order the whole time. It make more sense to talk about
1085 * endianness of register values by considering a register
1086 * a "cached" copy of the little endiad bit stream.
1087 */
1088static void implement(const struct hid_device *hid, __u8 *report,
1089                      unsigned offset, unsigned n, __u32 value)
1090{
1091        u64 x;
1092        u64 m = (1ULL << n) - 1;
1093
1094        if (n > 32)
1095                hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1096                         __func__, n, current->comm);
1097
1098        if (value > m)
1099                hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1100                         __func__, value, current->comm);
1101        WARN_ON(value > m);
1102        value &= m;
1103
1104        report += offset >> 3;
1105        offset &= 7;
1106
1107        x = get_unaligned_le64(report);
1108        x &= ~(m << offset);
1109        x |= ((u64)value) << offset;
1110        put_unaligned_le64(x, report);
1111}
1112
1113/*
1114 * Search an array for a value.
1115 */
1116
1117static int search(__s32 *array, __s32 value, unsigned n)
1118{
1119        while (n--) {
1120                if (*array++ == value)
1121                        return 0;
1122        }
1123        return -1;
1124}
1125
1126/**
1127 * hid_match_report - check if driver's raw_event should be called
1128 *
1129 * @hid: hid device
1130 * @report_type: type to match against
1131 *
1132 * compare hid->driver->report_table->report_type to report->type
1133 */
1134static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1135{
1136        const struct hid_report_id *id = hid->driver->report_table;
1137
1138        if (!id) /* NULL means all */
1139                return 1;
1140
1141        for (; id->report_type != HID_TERMINATOR; id++)
1142                if (id->report_type == HID_ANY_ID ||
1143                                id->report_type == report->type)
1144                        return 1;
1145        return 0;
1146}
1147
1148/**
1149 * hid_match_usage - check if driver's event should be called
1150 *
1151 * @hid: hid device
1152 * @usage: usage to match against
1153 *
1154 * compare hid->driver->usage_table->usage_{type,code} to
1155 * usage->usage_{type,code}
1156 */
1157static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1158{
1159        const struct hid_usage_id *id = hid->driver->usage_table;
1160
1161        if (!id) /* NULL means all */
1162                return 1;
1163
1164        for (; id->usage_type != HID_ANY_ID - 1; id++)
1165                if ((id->usage_hid == HID_ANY_ID ||
1166                                id->usage_hid == usage->hid) &&
1167                                (id->usage_type == HID_ANY_ID ||
1168                                id->usage_type == usage->type) &&
1169                                (id->usage_code == HID_ANY_ID ||
1170                                 id->usage_code == usage->code))
1171                        return 1;
1172        return 0;
1173}
1174
1175static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1176                struct hid_usage *usage, __s32 value, int interrupt)
1177{
1178        struct hid_driver *hdrv = hid->driver;
1179        int ret;
1180
1181        if (!list_empty(&hid->debug_list))
1182                hid_dump_input(hid, usage, value);
1183
1184        if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1185                ret = hdrv->event(hid, field, usage, value);
1186                if (ret != 0) {
1187                        if (ret < 0)
1188                                hid_err(hid, "%s's event failed with %d\n",
1189                                                hdrv->name, ret);
1190                        return;
1191                }
1192        }
1193
1194        if (hid->claimed & HID_CLAIMED_INPUT)
1195                hidinput_hid_event(hid, field, usage, value);
1196        if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1197                hid->hiddev_hid_event(hid, field, usage, value);
1198}
1199
1200/*
1201 * Analyse a received field, and fetch the data from it. The field
1202 * content is stored for next report processing (we do differential
1203 * reporting to the layer).
1204 */
1205
1206static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1207                            __u8 *data, int interrupt)
1208{
1209        unsigned n;
1210        unsigned count = field->report_count;
1211        unsigned offset = field->report_offset;
1212        unsigned size = field->report_size;
1213        __s32 min = field->logical_minimum;
1214        __s32 max = field->logical_maximum;
1215        __s32 *value;
1216
1217        value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1218        if (!value)
1219                return;
1220
1221        for (n = 0; n < count; n++) {
1222
1223                value[n] = min < 0 ?
1224                        snto32(extract(hid, data, offset + n * size, size),
1225                               size) :
1226                        extract(hid, data, offset + n * size, size);
1227
1228                /* Ignore report if ErrorRollOver */
1229                if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1230                    value[n] >= min && value[n] <= max &&
1231                    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1232                        goto exit;
1233        }
1234
1235        for (n = 0; n < count; n++) {
1236
1237                if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1238                        hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1239                        continue;
1240                }
1241
1242                if (field->value[n] >= min && field->value[n] <= max
1243                        && field->usage[field->value[n] - min].hid
1244                        && search(value, field->value[n], count))
1245                                hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1246
1247                if (value[n] >= min && value[n] <= max
1248                        && field->usage[value[n] - min].hid
1249                        && search(field->value, value[n], count))
1250                                hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1251        }
1252
1253        memcpy(field->value, value, count * sizeof(__s32));
1254exit:
1255        kfree(value);
1256}
1257
1258/*
1259 * Output the field into the report.
1260 */
1261
1262static void hid_output_field(const struct hid_device *hid,
1263                             struct hid_field *field, __u8 *data)
1264{
1265        unsigned count = field->report_count;
1266        unsigned offset = field->report_offset;
1267        unsigned size = field->report_size;
1268        unsigned n;
1269
1270        for (n = 0; n < count; n++) {
1271                if (field->logical_minimum < 0) /* signed values */
1272                        implement(hid, data, offset + n * size, size,
1273                                  s32ton(field->value[n], size));
1274                else                            /* unsigned values */
1275                        implement(hid, data, offset + n * size, size,
1276                                  field->value[n]);
1277        }
1278}
1279
1280/*
1281 * Create a report. 'data' has to be allocated using
1282 * hid_alloc_report_buf() so that it has proper size.
1283 */
1284
1285void hid_output_report(struct hid_report *report, __u8 *data)
1286{
1287        unsigned n;
1288
1289        if (report->id > 0)
1290                *data++ = report->id;
1291
1292        memset(data, 0, ((report->size - 1) >> 3) + 1);
1293        for (n = 0; n < report->maxfield; n++)
1294                hid_output_field(report->device, report->field[n], data);
1295}
1296EXPORT_SYMBOL_GPL(hid_output_report);
1297
1298/*
1299 * Allocator for buffer that is going to be passed to hid_output_report()
1300 */
1301u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1302{
1303        /*
1304         * 7 extra bytes are necessary to achieve proper functionality
1305         * of implement() working on 8 byte chunks
1306         */
1307
1308        int len = hid_report_len(report) + 7;
1309
1310        return kmalloc(len, flags);
1311}
1312EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1313
1314/*
1315 * Set a field value. The report this field belongs to has to be
1316 * created and transferred to the device, to set this value in the
1317 * device.
1318 */
1319
1320int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1321{
1322        unsigned size;
1323
1324        if (!field)
1325                return -1;
1326
1327        size = field->report_size;
1328
1329        hid_dump_input(field->report->device, field->usage + offset, value);
1330
1331        if (offset >= field->report_count) {
1332                hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1333                                offset, field->report_count);
1334                return -1;
1335        }
1336        if (field->logical_minimum < 0) {
1337                if (value != snto32(s32ton(value, size), size)) {
1338                        hid_err(field->report->device, "value %d is out of range\n", value);
1339                        return -1;
1340                }
1341        }
1342        field->value[offset] = value;
1343        return 0;
1344}
1345EXPORT_SYMBOL_GPL(hid_set_field);
1346
1347static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1348                const u8 *data)
1349{
1350        struct hid_report *report;
1351        unsigned int n = 0;     /* Normally report number is 0 */
1352
1353        /* Device uses numbered reports, data[0] is report number */
1354        if (report_enum->numbered)
1355                n = *data;
1356
1357        report = report_enum->report_id_hash[n];
1358        if (report == NULL)
1359                dbg_hid("undefined report_id %u received\n", n);
1360
1361        return report;
1362}
1363
1364/*
1365 * Implement a generic .request() callback, using .raw_request()
1366 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1367 */
1368void __hid_request(struct hid_device *hid, struct hid_report *report,
1369                int reqtype)
1370{
1371        char *buf;
1372        int ret;
1373        int len;
1374
1375        buf = hid_alloc_report_buf(report, GFP_KERNEL);
1376        if (!buf)
1377                return;
1378
1379        len = hid_report_len(report);
1380
1381        if (reqtype == HID_REQ_SET_REPORT)
1382                hid_output_report(report, buf);
1383
1384        ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1385                                          report->type, reqtype);
1386        if (ret < 0) {
1387                dbg_hid("unable to complete request: %d\n", ret);
1388                goto out;
1389        }
1390
1391        if (reqtype == HID_REQ_GET_REPORT)
1392                hid_input_report(hid, report->type, buf, ret, 0);
1393
1394out:
1395        kfree(buf);
1396}
1397EXPORT_SYMBOL_GPL(__hid_request);
1398
1399int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1400                int interrupt)
1401{
1402        struct hid_report_enum *report_enum = hid->report_enum + type;
1403        struct hid_report *report;
1404        struct hid_driver *hdrv;
1405        unsigned int a;
1406        int rsize, csize = size;
1407        u8 *cdata = data;
1408        int ret = 0;
1409
1410        report = hid_get_report(report_enum, data);
1411        if (!report)
1412                goto out;
1413
1414        if (report_enum->numbered) {
1415                cdata++;
1416                csize--;
1417        }
1418
1419        rsize = ((report->size - 1) >> 3) + 1;
1420
1421        if (rsize > HID_MAX_BUFFER_SIZE)
1422                rsize = HID_MAX_BUFFER_SIZE;
1423
1424        if (csize < rsize) {
1425                dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1426                                csize, rsize);
1427                memset(cdata + csize, 0, rsize - csize);
1428        }
1429
1430        if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1431                hid->hiddev_report_event(hid, report);
1432        if (hid->claimed & HID_CLAIMED_HIDRAW) {
1433                ret = hidraw_report_event(hid, data, size);
1434                if (ret)
1435                        goto out;
1436        }
1437
1438        if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1439                for (a = 0; a < report->maxfield; a++)
1440                        hid_input_field(hid, report->field[a], cdata, interrupt);
1441                hdrv = hid->driver;
1442                if (hdrv && hdrv->report)
1443                        hdrv->report(hid, report);
1444        }
1445
1446        if (hid->claimed & HID_CLAIMED_INPUT)
1447                hidinput_report_event(hid, report);
1448out:
1449        return ret;
1450}
1451EXPORT_SYMBOL_GPL(hid_report_raw_event);
1452
1453/**
1454 * hid_input_report - report data from lower layer (usb, bt...)
1455 *
1456 * @hid: hid device
1457 * @type: HID report type (HID_*_REPORT)
1458 * @data: report contents
1459 * @size: size of data parameter
1460 * @interrupt: distinguish between interrupt and control transfers
1461 *
1462 * This is data entry for lower layers.
1463 */
1464int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1465{
1466        struct hid_report_enum *report_enum;
1467        struct hid_driver *hdrv;
1468        struct hid_report *report;
1469        int ret = 0;
1470
1471        if (!hid)
1472                return -ENODEV;
1473
1474        if (down_trylock(&hid->driver_input_lock))
1475                return -EBUSY;
1476
1477        if (!hid->driver) {
1478                ret = -ENODEV;
1479                goto unlock;
1480        }
1481        report_enum = hid->report_enum + type;
1482        hdrv = hid->driver;
1483
1484        if (!size) {
1485                dbg_hid("empty report\n");
1486                ret = -1;
1487                goto unlock;
1488        }
1489
1490        /* Avoid unnecessary overhead if debugfs is disabled */
1491        if (!list_empty(&hid->debug_list))
1492                hid_dump_report(hid, type, data, size);
1493
1494        report = hid_get_report(report_enum, data);
1495
1496        if (!report) {
1497                ret = -1;
1498                goto unlock;
1499        }
1500
1501        if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1502                ret = hdrv->raw_event(hid, report, data, size);
1503                if (ret < 0)
1504                        goto unlock;
1505        }
1506
1507        ret = hid_report_raw_event(hid, type, data, size, interrupt);
1508
1509unlock:
1510        up(&hid->driver_input_lock);
1511        return ret;
1512}
1513EXPORT_SYMBOL_GPL(hid_input_report);
1514
1515static bool hid_match_one_id(struct hid_device *hdev,
1516                const struct hid_device_id *id)
1517{
1518        return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1519                (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1520                (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1521                (id->product == HID_ANY_ID || id->product == hdev->product);
1522}
1523
1524const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1525                const struct hid_device_id *id)
1526{
1527        for (; id->bus; id++)
1528                if (hid_match_one_id(hdev, id))
1529                        return id;
1530
1531        return NULL;
1532}
1533
1534static const struct hid_device_id hid_hiddev_list[] = {
1535        { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1536        { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1537        { }
1538};
1539
1540static bool hid_hiddev(struct hid_device *hdev)
1541{
1542        return !!hid_match_id(hdev, hid_hiddev_list);
1543}
1544
1545
1546static ssize_t
1547read_report_descriptor(struct file *filp, struct kobject *kobj,
1548                struct bin_attribute *attr,
1549                char *buf, loff_t off, size_t count)
1550{
1551        struct device *dev = container_of(kobj, struct device, kobj);
1552        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1553
1554        if (off >= hdev->rsize)
1555                return 0;
1556
1557        if (off + count > hdev->rsize)
1558                count = hdev->rsize - off;
1559
1560        memcpy(buf, hdev->rdesc + off, count);
1561
1562        return count;
1563}
1564
1565static ssize_t
1566show_country(struct device *dev, struct device_attribute *attr,
1567                char *buf)
1568{
1569        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1570
1571        return sprintf(buf, "%02x\n", hdev->country & 0xff);
1572}
1573
1574static struct bin_attribute dev_bin_attr_report_desc = {
1575        .attr = { .name = "report_descriptor", .mode = 0444 },
1576        .read = read_report_descriptor,
1577        .size = HID_MAX_DESCRIPTOR_SIZE,
1578};
1579
1580static struct device_attribute dev_attr_country = {
1581        .attr = { .name = "country", .mode = 0444 },
1582        .show = show_country,
1583};
1584
1585int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1586{
1587        static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1588                "Joystick", "Gamepad", "Keyboard", "Keypad",
1589                "Multi-Axis Controller"
1590        };
1591        const char *type, *bus;
1592        char buf[64];
1593        unsigned int i;
1594        int len;
1595        int ret;
1596
1597        if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1598                connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1599        if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1600                connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1601        if (hdev->bus != BUS_USB)
1602                connect_mask &= ~HID_CONNECT_HIDDEV;
1603        if (hid_hiddev(hdev))
1604                connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1605
1606        if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1607                                connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1608                hdev->claimed |= HID_CLAIMED_INPUT;
1609
1610        if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1611                        !hdev->hiddev_connect(hdev,
1612                                connect_mask & HID_CONNECT_HIDDEV_FORCE))
1613                hdev->claimed |= HID_CLAIMED_HIDDEV;
1614        if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1615                hdev->claimed |= HID_CLAIMED_HIDRAW;
1616
1617        if (connect_mask & HID_CONNECT_DRIVER)
1618                hdev->claimed |= HID_CLAIMED_DRIVER;
1619
1620        /* Drivers with the ->raw_event callback set are not required to connect
1621         * to any other listener. */
1622        if (!hdev->claimed && !hdev->driver->raw_event) {
1623                hid_err(hdev, "device has no listeners, quitting\n");
1624                return -ENODEV;
1625        }
1626
1627        if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1628                        (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1629                hdev->ff_init(hdev);
1630
1631        len = 0;
1632        if (hdev->claimed & HID_CLAIMED_INPUT)
1633                len += sprintf(buf + len, "input");
1634        if (hdev->claimed & HID_CLAIMED_HIDDEV)
1635                len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1636                                hdev->minor);
1637        if (hdev->claimed & HID_CLAIMED_HIDRAW)
1638                len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1639                                ((struct hidraw *)hdev->hidraw)->minor);
1640
1641        type = "Device";
1642        for (i = 0; i < hdev->maxcollection; i++) {
1643                struct hid_collection *col = &hdev->collection[i];
1644                if (col->type == HID_COLLECTION_APPLICATION &&
1645                   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1646                   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1647                        type = types[col->usage & 0xffff];
1648                        break;
1649                }
1650        }
1651
1652        switch (hdev->bus) {
1653        case BUS_USB:
1654                bus = "USB";
1655                break;
1656        case BUS_BLUETOOTH:
1657                bus = "BLUETOOTH";
1658                break;
1659        default:
1660                bus = "<UNKNOWN>";
1661        }
1662
1663        ret = device_create_file(&hdev->dev, &dev_attr_country);
1664        if (ret)
1665                hid_warn(hdev,
1666                         "can't create sysfs country code attribute err: %d\n", ret);
1667
1668        ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1669        if (ret)
1670                hid_warn(hdev,
1671                         "can't create sysfs report descriptor attribute err: %d\n", ret);
1672
1673        hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1674                 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1675                 type, hdev->name, hdev->phys);
1676
1677        return 0;
1678}
1679EXPORT_SYMBOL_GPL(hid_connect);
1680
1681void hid_disconnect(struct hid_device *hdev)
1682{
1683        device_remove_file(&hdev->dev, &dev_attr_country);
1684        device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1685        if (hdev->claimed & HID_CLAIMED_INPUT)
1686                hidinput_disconnect(hdev);
1687        if (hdev->claimed & HID_CLAIMED_HIDDEV)
1688                hdev->hiddev_disconnect(hdev);
1689        if (hdev->claimed & HID_CLAIMED_HIDRAW)
1690                hidraw_disconnect(hdev);
1691        hdev->claimed = 0;
1692}
1693EXPORT_SYMBOL_GPL(hid_disconnect);
1694
1695/*
1696 * A list of devices for which there is a specialized driver on HID bus.
1697 *
1698 * Please note that for multitouch devices (driven by hid-multitouch driver),
1699 * there is a proper autodetection and autoloading in place (based on presence
1700 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1701 * as we are doing the right thing in hid_scan_usage().
1702 *
1703 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1704 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1705 * used as a driver. See hid_scan_report().
1706 */
1707static const struct hid_device_id hid_have_special_driver[] = {
1708        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1709        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1710        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1711        { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1712        { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1713        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1714        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1715        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1716        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1717        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1718        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1719        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1720        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1721        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1722        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1723        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1724        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1725        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1726        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1727        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1728        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1729        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1730        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1731        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1732        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1733        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1734        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1735        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1736        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1737        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1738        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1739        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1740        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1741        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1742        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1743        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1744        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1745        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1746        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1747        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1748        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1749        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1750        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1751        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1752        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1753        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1754        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1755        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1756        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1757        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1758        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1759        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1760        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1761        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1762        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1763        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1764        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1765        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1766        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1767        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1768        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1769        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1770        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1771        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1772        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1773        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1774        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1775        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1776        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1777        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1778        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1779        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1780        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1781        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1782        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1783        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1784        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1785        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1786        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1787        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1788        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1789        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1790        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1791        { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1792        { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1793        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1794        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1795        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1796        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1797        { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1798        { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1799        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1800        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1801        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1802        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1803        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1804        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1805        { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1806        { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1807        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1808        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1809        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1810        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1811        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1812        { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1813        { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1814        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1815        { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1816        { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1817        { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1818        { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1819        { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1820        { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1821        { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1822        { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1823        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1824        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1825        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1826        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1827        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1828        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1829        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1830        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1831        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1832        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1833        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1834        { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1835        { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1836        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1837        { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1838        { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1839        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1840        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1841        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1842        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1843        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1844        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1845        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1846        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1847        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1848        { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1849        { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1850#if IS_ENABLED(CONFIG_HID_LENOVO)
1851        { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1852        { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1853        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1854#endif
1855        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1856        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1857        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1858        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1859        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1860        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1861        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1862        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1863        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1864        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1865        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1866        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1867        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1868        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1869        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1870        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1871        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1872        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1873        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1874        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1875        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1876        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1877        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1878        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1879        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1880        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1881        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1882#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1883        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1884        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1885#endif
1886        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1887        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1888        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1889        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1890        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1891        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1892        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1893        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1894        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1895        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1896        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1897        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1898        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1899        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1900        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1901        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1902        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1903        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP) },
1904        { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1905        { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1906        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1907        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1908        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1909        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1910        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1911        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1912        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1913        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1914        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1915        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1916        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1917        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1918        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1919        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1920        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1921        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1922        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1923        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1924        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1925        { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1926        { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1927        { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1928        { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1929        { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1930        { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1931#if IS_ENABLED(CONFIG_HID_ROCCAT)
1932        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1933        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1934        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1935        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1936        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1937        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1938        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1939        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1940        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1941        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1942        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1943        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1944        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1945        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1946        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1947        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1948#endif
1949#if IS_ENABLED(CONFIG_HID_SAITEK)
1950        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1951        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1952        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1953        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1954        { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1955#endif
1956        { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1957        { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1958        { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1959        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
1960        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1961        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1962        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1963        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1964        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1965        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1966        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1967        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1968        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1969        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1970        { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1971        { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1972        { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1973        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1974        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1975        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1976        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1977        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1978        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1979        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1980        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1981        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1982        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1983        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
1984        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1985        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1986        { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1987        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1988        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1989        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1990        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1991        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1992        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1993        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1994        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1995        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1996        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1997        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1998        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1999        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2000        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },

2001        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2002        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2003        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2004        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2005        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2006        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2007        { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2008        { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2009        { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2010        { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2011        { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2012
2013        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2014        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2015        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2016        { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2017        { }
2018};
2019
2020struct hid_dynid {
2021        struct list_head list;
2022        struct hid_device_id id;
2023};
2024
2025/**
2026 * store_new_id - add a new HID device ID to this driver and re-probe devices
2027 * @driver: target device driver
2028 * @buf: buffer for scanning device ID data
2029 * @count: input size
2030 *
2031 * Adds a new dynamic hid device ID to this driver,
2032 * and causes the driver to probe for all devices again.
2033 */
2034static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2035                size_t count)
2036{
2037        struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2038        struct hid_dynid *dynid;
2039        __u32 bus, vendor, product;
2040        unsigned long driver_data = 0;
2041        int ret;
2042
2043        ret = sscanf(buf, "%x %x %x %lx",
2044                        &bus, &vendor, &product, &driver_data);
2045        if (ret < 3)
2046                return -EINVAL;
2047
2048        dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2049        if (!dynid)
2050                return -ENOMEM;
2051
2052        dynid->id.bus = bus;
2053        dynid->id.group = HID_GROUP_ANY;
2054        dynid->id.vendor = vendor;
2055        dynid->id.product = product;
2056        dynid->id.driver_data = driver_data;
2057
2058        spin_lock(&hdrv->dyn_lock);
2059        list_add_tail(&dynid->list, &hdrv->dyn_list);
2060        spin_unlock(&hdrv->dyn_lock);
2061
2062        ret = driver_attach(&hdrv->driver);
2063
2064        return ret ? : count;
2065}
2066static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2067
2068static void hid_free_dynids(struct hid_driver *hdrv)
2069{
2070        struct hid_dynid *dynid, *n;
2071
2072        spin_lock(&hdrv->dyn_lock);
2073        list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2074                list_del(&dynid->list);
2075                kfree(dynid);
2076        }
2077        spin_unlock(&hdrv->dyn_lock);
2078}
2079
2080static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2081                struct hid_driver *hdrv)
2082{
2083        struct hid_dynid *dynid;
2084
2085        spin_lock(&hdrv->dyn_lock);
2086        list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2087                if (hid_match_one_id(hdev, &dynid->id)) {
2088                        spin_unlock(&hdrv->dyn_lock);
2089                        return &dynid->id;
2090                }
2091        }
2092        spin_unlock(&hdrv->dyn_lock);
2093
2094        return hid_match_id(hdev, hdrv->id_table);
2095}
2096
2097static int hid_bus_match(struct device *dev, struct device_driver *drv)
2098{
2099        struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2100        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2101
2102        return hid_match_device(hdev, hdrv) != NULL;
2103}
2104
2105static int hid_device_probe(struct device *dev)
2106{
2107        struct hid_driver *hdrv = container_of(dev->driver,
2108                        struct hid_driver, driver);
2109        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2110        const struct hid_device_id *id;
2111        int ret = 0;
2112
2113        if (down_interruptible(&hdev->driver_lock))
2114                return -EINTR;
2115        if (down_interruptible(&hdev->driver_input_lock)) {
2116                ret = -EINTR;
2117                goto unlock_driver_lock;
2118        }
2119        hdev->io_started = false;
2120
2121        if (!hdev->driver) {
2122                id = hid_match_device(hdev, hdrv);
2123                if (id == NULL) {
2124                        ret = -ENODEV;
2125                        goto unlock;
2126                }
2127
2128                hdev->driver = hdrv;
2129                if (hdrv->probe) {
2130                        ret = hdrv->probe(hdev, id);
2131                } else { /* default probe */
2132                        ret = hid_open_report(hdev);
2133                        if (!ret)
2134                                ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2135                }
2136                if (ret) {
2137                        hid_close_report(hdev);
2138                        hdev->driver = NULL;
2139                }
2140        }
2141unlock:
2142        if (!hdev->io_started)
2143                up(&hdev->driver_input_lock);
2144unlock_driver_lock:
2145        up(&hdev->driver_lock);
2146        return ret;
2147}
2148
2149static int hid_device_remove(struct device *dev)
2150{
2151        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2152        struct hid_driver *hdrv;
2153        int ret = 0;
2154
2155        if (down_interruptible(&hdev->driver_lock))
2156                return -EINTR;
2157        if (down_interruptible(&hdev->driver_input_lock)) {
2158                ret = -EINTR;
2159                goto unlock_driver_lock;
2160        }
2161        hdev->io_started = false;
2162
2163        hdrv = hdev->driver;
2164        if (hdrv) {
2165                if (hdrv->remove)
2166                        hdrv->remove(hdev);
2167                else /* default remove */
2168                        hid_hw_stop(hdev);
2169                hid_close_report(hdev);
2170                hdev->driver = NULL;
2171        }
2172
2173        if (!hdev->io_started)
2174                up(&hdev->driver_input_lock);
2175unlock_driver_lock:
2176        up(&hdev->driver_lock);
2177        return ret;
2178}
2179
2180static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2181                             char *buf)
2182{
2183        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2184        int len;
2185
2186        len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2187                       hdev->bus, hdev->group, hdev->vendor, hdev->product);
2188
2189        return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2190}
2191static DEVICE_ATTR_RO(modalias);
2192
2193static struct attribute *hid_dev_attrs[] = {
2194        &dev_attr_modalias.attr,
2195        NULL,
2196};
2197ATTRIBUTE_GROUPS(hid_dev);
2198
2199static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2200{
2201        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2202
2203        if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2204                        hdev->bus, hdev->vendor, hdev->product))
2205                return -ENOMEM;
2206
2207        if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2208                return -ENOMEM;
2209
2210        if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2211                return -ENOMEM;
2212
2213        if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2214                return -ENOMEM;
2215
2216        if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2217                           hdev->bus, hdev->group, hdev->vendor, hdev->product))
2218                return -ENOMEM;
2219
2220        return 0;
2221}
2222
2223static struct bus_type hid_bus_type = {
2224        .name           = "hid",
2225        .dev_groups     = hid_dev_groups,
2226        .match          = hid_bus_match,
2227        .probe          = hid_device_probe,
2228        .remove         = hid_device_remove,
2229        .uevent         = hid_uevent,
2230};
2231
2232/* a list of devices that shouldn't be handled by HID core at all */
2233static const struct hid_device_id hid_ignore_list[] = {
2234        { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2235        { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2236        { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2237        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2238        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2239        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2240        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2241        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2242        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2243        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2244        { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2245        { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2246        { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2247        { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2248        { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2249        { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2250        { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2251        { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2252        { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2253        { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2254        { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2255        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2256        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2257        { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2258        { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2259        { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2260        { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2261        { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2262        { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2263        { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2264        { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2265        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2266        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2267        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2268        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2269        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2270        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2271        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2272        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2273        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2274        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2275        { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2276        { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2277        { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2278        { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2279        { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2280        { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2281        { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2282        { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2283        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2284        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2285        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2286        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2287        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2288        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2289        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2290        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2291        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2292        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2293        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2294        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2295        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2296        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2297        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2298        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2299        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2300        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2301        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2302        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2303        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2304        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2305        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2306        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2307        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2308        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2309        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2310        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2311        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2312        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2313        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2314        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2315        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2316        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2317        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2318        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2319        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2320        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2321        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2322        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2323        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2324        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2325        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2326        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2327        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2328        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2329        { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2330        { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2331        { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2332        { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2333        { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2334        { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2335        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2336        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2337        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2338        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2339        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2340        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2341        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2342        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2343        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2344        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2345        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2346        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2347        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2348        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2349        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2350        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2351        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2352        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2353        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2354        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2355        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2356        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2357        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2358        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2359        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2360        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2361        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2362        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2363        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2364        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2365        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2366        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2367        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2368        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2369        { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2370        { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2371        { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2372        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2373        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2374        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2375        { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2376        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2377        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2378        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2379        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2380        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2381        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2382        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2383        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2384        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2385        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2386        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2387        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2388        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2389        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2390        { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2391        { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2392#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2393        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2394        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2395        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2396        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2397        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2398        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2399        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2400        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2401#endif
2402        { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2403        { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2404        { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2405        { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2406        { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2407        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2408        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2409        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2410        { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2411        { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2412        { }
2413};
2414
2415/**
2416 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2417 *
2418 * There are composite devices for which we want to ignore only a certain
2419 * interface. This is a list of devices for which only the mouse interface will
2420 * be ignored. This allows a dedicated driver to take care of the interface.
2421 */
2422static const struct hid_device_id hid_mouse_ignore_list[] = {
2423        /* appletouch driver */
2424        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2425        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2426        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2427        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2428        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2429        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2430        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2431        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2432        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2433        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2434        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2435        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2436        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2437        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2438        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2439        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2440        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2441        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2442        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2443        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2444        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2445        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2446        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2447        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2448        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2449        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2450        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2451        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2452        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2453        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2454        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2455        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2456        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2457        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2458        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2459        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2460        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2461        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2462        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2463        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2464        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2465        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2466        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2467        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2468        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2469        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2470        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2471        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2472        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2473        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2474        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2475        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2476        { }
2477};
2478
2479bool hid_ignore(struct hid_device *hdev)
2480{
2481        if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2482                return false;
2483        if (hdev->quirks & HID_QUIRK_IGNORE)
2484                return true;
2485
2486        switch (hdev->vendor) {
2487        case USB_VENDOR_ID_CODEMERCS:
2488                /* ignore all Code Mercenaries IOWarrior devices */
2489                if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2490                                hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2491                        return true;
2492                break;
2493        case USB_VENDOR_ID_LOGITECH:
2494                if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2495                                hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2496                        return true;
2497                /*
2498                 * The Keene FM transmitter USB device has the same USB ID as
2499                 * the Logitech AudioHub Speaker, but it should ignore the hid.
2500                 * Check if the name is that of the Keene device.
2501                 * For reference: the name of the AudioHub is
2502                 * "HOLTEK  AudioHub Speaker".
2503                 */
2504                if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2505                        !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2506                                return true;
2507                break;
2508        case USB_VENDOR_ID_SOUNDGRAPH:
2509                if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2510                    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2511                        return true;
2512                break;
2513        case USB_VENDOR_ID_HANWANG:
2514                if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2515                    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2516                        return true;
2517                break;
2518        case USB_VENDOR_ID_JESS:
2519                if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2520                                hdev->type == HID_TYPE_USBNONE)
2521                        return true;
2522                break;
2523        case USB_VENDOR_ID_VELLEMAN:
2524                /* These are not HID devices.  They are handled by comedi. */
2525                if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2526                     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2527                    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2528                     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2529                        return true;
2530                break;
2531        case USB_VENDOR_ID_ATMEL_V_USB:
2532                /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2533                 * it has the same USB ID as many Atmel V-USB devices. This
2534                 * usb radio is handled by radio-ma901.c driver so we want
2535                 * ignore the hid. Check the name, bus, product and ignore
2536                 * if we have MA901 usb radio.
2537                 */
2538                if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2539                        hdev->bus == BUS_USB &&
2540                        strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2541                        return true;
2542                break;
2543        }
2544
2545        if (hdev->type == HID_TYPE_USBMOUSE &&
2546                        hid_match_id(hdev, hid_mouse_ignore_list))
2547                return true;
2548
2549        return !!hid_match_id(hdev, hid_ignore_list);
2550}
2551EXPORT_SYMBOL_GPL(hid_ignore);
2552
2553int hid_add_device(struct hid_device *hdev)
2554{
2555        static atomic_t id = ATOMIC_INIT(0);
2556        int ret;
2557
2558        if (WARN_ON(hdev->status & HID_STAT_ADDED))
2559                return -EBUSY;
2560
2561        /* we need to kill them here, otherwise they will stay allocated to
2562         * wait for coming driver */
2563        if (hid_ignore(hdev))
2564                return -ENODEV;
2565
2566        /*
2567         * Check for the mandatory transport channel.
2568         */
2569         if (!hdev->ll_driver->raw_request) {
2570                hid_err(hdev, "transport driver missing .raw_request()\n");
2571                return -EINVAL;
2572         }
2573
2574        /*
2575         * Read the device report descriptor once and use as template
2576         * for the driver-specific modifications.
2577         */
2578        ret = hdev->ll_driver->parse(hdev);
2579        if (ret)
2580                return ret;
2581        if (!hdev->dev_rdesc)
2582                return -ENODEV;
2583
2584        /*
2585         * Scan generic devices for group information
2586         */
2587        if (hid_ignore_special_drivers ||
2588            (!hdev->group &&
2589             !hid_match_id(hdev, hid_have_special_driver))) {
2590                ret = hid_scan_report(hdev);
2591                if (ret)
2592                        hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2593        }
2594
2595        /* XXX hack, any other cleaner solution after the driver core
2596         * is converted to allow more than 20 bytes as the device name? */
2597        dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2598                     hdev->vendor, hdev->product, atomic_inc_return(&id));
2599
2600        hid_debug_register(hdev, dev_name(&hdev->dev));
2601        ret = device_add(&hdev->dev);
2602        if (!ret)
2603                hdev->status |= HID_STAT_ADDED;
2604        else
2605                hid_debug_unregister(hdev);
2606
2607        return ret;
2608}
2609EXPORT_SYMBOL_GPL(hid_add_device);
2610
2611/**
2612 * hid_allocate_device - allocate new hid device descriptor
2613 *
2614 * Allocate and initialize hid device, so that hid_destroy_device might be
2615 * used to free it.
2616 *
2617 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2618 * error value.
2619 */
2620struct hid_device *hid_allocate_device(void)
2621{
2622        struct hid_device *hdev;
2623        int ret = -ENOMEM;
2624
2625        hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2626        if (hdev == NULL)
2627                return ERR_PTR(ret);
2628
2629        device_initialize(&hdev->dev);
2630        hdev->dev.release = hid_device_release;
2631        hdev->dev.bus = &hid_bus_type;
2632
2633        hid_close_report(hdev);
2634
2635        init_waitqueue_head(&hdev->debug_wait);
2636        INIT_LIST_HEAD(&hdev->debug_list);
2637        spin_lock_init(&hdev->debug_list_lock);
2638        sema_init(&hdev->driver_lock, 1);
2639        sema_init(&hdev->driver_input_lock, 1);
2640
2641        return hdev;
2642}
2643EXPORT_SYMBOL_GPL(hid_allocate_device);
2644
2645static void hid_remove_device(struct hid_device *hdev)
2646{
2647        if (hdev->status & HID_STAT_ADDED) {
2648                device_del(&hdev->dev);
2649                hid_debug_unregister(hdev);
2650                hdev->status &= ~HID_STAT_ADDED;
2651        }
2652        kfree(hdev->dev_rdesc);
2653        hdev->dev_rdesc = NULL;
2654        hdev->dev_rsize = 0;
2655}
2656
2657/**
2658 * hid_destroy_device - free previously allocated device
2659 *
2660 * @hdev: hid device
2661 *
2662 * If you allocate hid_device through hid_allocate_device, you should ever
2663 * free by this function.
2664 */
2665void hid_destroy_device(struct hid_device *hdev)
2666{
2667        hid_remove_device(hdev);
2668        put_device(&hdev->dev);
2669}
2670EXPORT_SYMBOL_GPL(hid_destroy_device);
2671
2672int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2673                const char *mod_name)
2674{
2675        int ret;
2676
2677        hdrv->driver.name = hdrv->name;
2678        hdrv->driver.bus = &hid_bus_type;
2679        hdrv->driver.owner = owner;
2680        hdrv->driver.mod_name = mod_name;
2681
2682        INIT_LIST_HEAD(&hdrv->dyn_list);
2683        spin_lock_init(&hdrv->dyn_lock);
2684
2685        ret = driver_register(&hdrv->driver);
2686        if (ret)
2687                return ret;
2688
2689        ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2690        if (ret)
2691                driver_unregister(&hdrv->driver);
2692
2693        return ret;
2694}
2695EXPORT_SYMBOL_GPL(__hid_register_driver);
2696
2697void hid_unregister_driver(struct hid_driver *hdrv)
2698{
2699        driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2700        driver_unregister(&hdrv->driver);
2701        hid_free_dynids(hdrv);
2702}
2703EXPORT_SYMBOL_GPL(hid_unregister_driver);
2704
2705int hid_check_keys_pressed(struct hid_device *hid)
2706{
2707        struct hid_input *hidinput;
2708        int i;
2709
2710        if (!(hid->claimed & HID_CLAIMED_INPUT))
2711                return 0;
2712
2713        list_for_each_entry(hidinput, &hid->inputs, list) {
2714                for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2715                        if (hidinput->input->key[i])
2716                                return 1;
2717        }
2718
2719        return 0;
2720}
2721
2722EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2723
2724static int __init hid_init(void)
2725{
2726        int ret;
2727
2728        if (hid_debug)
2729                pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2730                        "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2731
2732        ret = bus_register(&hid_bus_type);
2733        if (ret) {
2734                pr_err("can't register hid bus\n");
2735                goto err;
2736        }
2737
2738        ret = hidraw_init();
2739        if (ret)
2740                goto err_bus;
2741
2742        hid_debug_init();
2743
2744        return 0;
2745err_bus:
2746        bus_unregister(&hid_bus_type);
2747err:
2748        return ret;
2749}
2750
2751static void __exit hid_exit(void)
2752{
2753        hid_debug_exit();
2754        hidraw_exit();
2755        bus_unregister(&hid_bus_type);
2756}
2757
2758module_init(hid_init);
2759module_exit(hid_exit);
2760
2761MODULE_AUTHOR("Andreas Gal");
2762MODULE_AUTHOR("Vojtech Pavlik");
2763MODULE_AUTHOR("Jiri Kosina");
2764MODULE_LICENSE(DRIVER_LICENSE);
2765
2766