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(debug, "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
 702	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
 703	    type == HID_COLLECTION_PHYSICAL)
 
 704		hid->group = HID_GROUP_SENSOR_HUB;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 705}
 706
 707static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
 708{
 709	__u32 data;
 710	int i;
 711
 
 
 712	data = item_udata(item);
 713
 714	switch (item->tag) {
 715	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
 716		hid_scan_collection(parser, data & 0xff);
 717		break;
 718	case HID_MAIN_ITEM_TAG_END_COLLECTION:
 719		break;
 720	case HID_MAIN_ITEM_TAG_INPUT:
 721		/* ignore constant inputs, they will be ignored by hid-input */
 722		if (data & HID_MAIN_ITEM_CONSTANT)
 723			break;
 724		for (i = 0; i < parser->local.usage_index; i++)
 725			hid_scan_input_usage(parser, parser->local.usage[i]);
 726		break;
 727	case HID_MAIN_ITEM_TAG_OUTPUT:
 728		break;
 729	case HID_MAIN_ITEM_TAG_FEATURE:
 730		for (i = 0; i < parser->local.usage_index; i++)
 731			hid_scan_feature_usage(parser, parser->local.usage[i]);
 732		break;
 733	}
 734
 735	/* Reset the local parser environment */
 736	memset(&parser->local, 0, sizeof(parser->local));
 737
 738	return 0;
 739}
 740
 741/*
 742 * Scan a report descriptor before the device is added to the bus.
 743 * Sets device groups and other properties that determine what driver
 744 * to load.
 745 */
 746static int hid_scan_report(struct hid_device *hid)
 747{
 748	struct hid_parser *parser;
 749	struct hid_item item;
 750	__u8 *start = hid->dev_rdesc;
 751	__u8 *end = start + hid->dev_rsize;
 752	static int (*dispatch_type[])(struct hid_parser *parser,
 753				      struct hid_item *item) = {
 754		hid_scan_main,
 755		hid_parser_global,
 756		hid_parser_local,
 757		hid_parser_reserved
 758	};
 759
 760	parser = vzalloc(sizeof(struct hid_parser));
 761	if (!parser)
 762		return -ENOMEM;
 763
 764	parser->device = hid;
 765	hid->group = HID_GROUP_GENERIC;
 766
 767	/*
 768	 * The parsing is simpler than the one in hid_open_report() as we should
 769	 * be robust against hid errors. Those errors will be raised by
 770	 * hid_open_report() anyway.
 771	 */
 772	while ((start = fetch_item(start, end, &item)) != NULL)
 773		dispatch_type[item.type](parser, &item);
 774
 775	/*
 776	 * Handle special flags set during scanning.
 777	 */
 778	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
 779	    (hid->group == HID_GROUP_MULTITOUCH))
 780		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
 781
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 782	vfree(parser);
 783	return 0;
 784}
 785
 786/**
 787 * hid_parse_report - parse device report
 788 *
 789 * @device: hid device
 790 * @start: report start
 791 * @size: report size
 792 *
 793 * Allocate the device report as read by the bus driver. This function should
 794 * only be called from parse() in ll drivers.
 795 */
 796int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
 797{
 798	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
 799	if (!hid->dev_rdesc)
 800		return -ENOMEM;
 801	hid->dev_rsize = size;
 802	return 0;
 803}
 804EXPORT_SYMBOL_GPL(hid_parse_report);
 805
 806static const char * const hid_report_names[] = {
 807	"HID_INPUT_REPORT",
 808	"HID_OUTPUT_REPORT",
 809	"HID_FEATURE_REPORT",
 810};
 811/**
 812 * hid_validate_values - validate existing device report's value indexes
 813 *
 814 * @device: hid device
 815 * @type: which report type to examine
 816 * @id: which report ID to examine (0 for first)
 817 * @field_index: which report field to examine
 818 * @report_counts: expected number of values
 819 *
 820 * Validate the number of values in a given field of a given report, after
 821 * parsing.
 822 */
 823struct hid_report *hid_validate_values(struct hid_device *hid,
 824				       unsigned int type, unsigned int id,
 825				       unsigned int field_index,
 826				       unsigned int report_counts)
 827{
 828	struct hid_report *report;
 829
 830	if (type > HID_FEATURE_REPORT) {
 831		hid_err(hid, "invalid HID report type %u\n", type);
 832		return NULL;
 833	}
 834
 835	if (id >= HID_MAX_IDS) {
 836		hid_err(hid, "invalid HID report id %u\n", id);
 837		return NULL;
 838	}
 839
 840	/*
 841	 * Explicitly not using hid_get_report() here since it depends on
 842	 * ->numbered being checked, which may not always be the case when
 843	 * drivers go to access report values.
 844	 */
 845	report = hid->report_enum[type].report_id_hash[id];
 
 
 
 
 
 
 
 
 
 
 846	if (!report) {
 847		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
 848		return NULL;
 849	}
 850	if (report->maxfield <= field_index) {
 851		hid_err(hid, "not enough fields in %s %u\n",
 852			hid_report_names[type], id);
 853		return NULL;
 854	}
 855	if (report->field[field_index]->report_count < report_counts) {
 856		hid_err(hid, "not enough values in %s %u field %u\n",
 857			hid_report_names[type], id, field_index);
 858		return NULL;
 859	}
 860	return report;
 861}
 862EXPORT_SYMBOL_GPL(hid_validate_values);
 863
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 864/**
 865 * hid_open_report - open a driver-specific device report
 866 *
 867 * @device: hid device
 868 *
 869 * Parse a report description into a hid_device structure. Reports are
 870 * enumerated, fields are attached to these reports.
 871 * 0 returned on success, otherwise nonzero error value.
 872 *
 873 * This function (or the equivalent hid_parse() macro) should only be
 874 * called from probe() in drivers, before starting the device.
 875 */
 876int hid_open_report(struct hid_device *device)
 877{
 878	struct hid_parser *parser;
 879	struct hid_item item;
 880	unsigned int size;
 881	__u8 *start;
 882	__u8 *buf;
 883	__u8 *end;
 884	int ret;
 
 885	static int (*dispatch_type[])(struct hid_parser *parser,
 886				      struct hid_item *item) = {
 887		hid_parser_main,
 888		hid_parser_global,
 889		hid_parser_local,
 890		hid_parser_reserved
 891	};
 892
 893	if (WARN_ON(device->status & HID_STAT_PARSED))
 894		return -EBUSY;
 895
 896	start = device->dev_rdesc;
 897	if (WARN_ON(!start))
 898		return -ENODEV;
 899	size = device->dev_rsize;
 900
 901	buf = kmemdup(start, size, GFP_KERNEL);
 902	if (buf == NULL)
 903		return -ENOMEM;
 
 
 
 
 
 
 
 904
 905	if (device->driver->report_fixup)
 906		start = device->driver->report_fixup(device, buf, &size);
 907	else
 908		start = buf;
 909
 910	start = kmemdup(start, size, GFP_KERNEL);
 911	kfree(buf);
 912	if (start == NULL)
 913		return -ENOMEM;
 
 
 
 
 
 
 914
 915	device->rdesc = start;
 916	device->rsize = size;
 917
 918	parser = vzalloc(sizeof(struct hid_parser));
 919	if (!parser) {
 920		ret = -ENOMEM;
 921		goto err;
 922	}
 923
 924	parser->device = device;
 925
 926	end = start + size;
 927
 928	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
 929				     sizeof(struct hid_collection), GFP_KERNEL);
 930	if (!device->collection) {
 931		ret = -ENOMEM;
 932		goto err;
 933	}
 934	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
 
 
 935
 936	ret = -EINVAL;
 937	while ((start = fetch_item(start, end, &item)) != NULL) {
 
 938
 939		if (item.format != HID_ITEM_FORMAT_SHORT) {
 940			hid_err(device, "unexpected long global item\n");
 941			goto err;
 942		}
 943
 944		if (dispatch_type[item.type](parser, &item)) {
 945			hid_err(device, "item %u %u %u %u parsing failed\n",
 946				item.format, (unsigned)item.size,
 947				(unsigned)item.type, (unsigned)item.tag);
 948			goto err;
 949		}
 950
 951		if (start == end) {
 952			if (parser->collection_stack_ptr) {
 953				hid_err(device, "unbalanced collection at end of report description\n");
 954				goto err;
 955			}
 956			if (parser->local.delimiter_depth) {
 957				hid_err(device, "unbalanced delimiter at end of report description\n");
 958				goto err;
 959			}
 
 
 
 
 
 
 
 
 960			vfree(parser);
 961			device->status |= HID_STAT_PARSED;
 
 962			return 0;
 963		}
 964	}
 965
 966	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
 
 967err:
 
 
 968	vfree(parser);
 969	hid_close_report(device);
 970	return ret;
 971}
 972EXPORT_SYMBOL_GPL(hid_open_report);
 973
 974/*
 975 * Convert a signed n-bit integer to signed 32-bit integer. Common
 976 * cases are done through the compiler, the screwed things has to be
 977 * done by hand.
 978 */
 979
 980static s32 snto32(__u32 value, unsigned n)
 981{
 982	switch (n) {
 983	case 8:  return ((__s8)value);
 984	case 16: return ((__s16)value);
 985	case 32: return ((__s32)value);
 986	}
 987	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
 988}
 989
 990s32 hid_snto32(__u32 value, unsigned n)
 991{
 992	return snto32(value, n);
 993}
 994EXPORT_SYMBOL_GPL(hid_snto32);
 995
 996/*
 997 * Convert a signed 32-bit integer to a signed n-bit integer.
 998 */
 999
1000static u32 s32ton(__s32 value, unsigned n)
1001{
1002	s32 a = value >> (n - 1);
1003	if (a && a != -1)
1004		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1005	return value & ((1 << n) - 1);
1006}
1007
1008/*
1009 * Extract/implement a data field from/to a little endian report (bit array).
1010 *
1011 * Code sort-of follows HID spec:
1012 *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1013 *
1014 * While the USB HID spec allows unlimited length bit fields in "report
1015 * descriptors", most devices never use more than 16 bits.
1016 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1017 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1018 */
1019
1020static __u32 extract(const struct hid_device *hid, __u8 *report,
1021		     unsigned offset, unsigned n)
1022{
1023	u64 x;
 
 
 
 
 
1024
1025	if (n > 32)
1026		hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1027			 n, current->comm);
 
 
 
 
 
 
 
 
1028
1029	report += offset >> 3;  /* adjust byte index */
1030	offset &= 7;            /* now only need bit offset into one byte */
1031	x = get_unaligned_le64(report);
1032	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1033	return (u32) x;
 
 
 
 
 
1034}
 
1035
1036/*
1037 * "implement" : set bits in a little endian bit stream.
1038 * Same concepts as "extract" (see comments above).
1039 * The data mangled in the bit stream remains in little endian
1040 * order the whole time. It make more sense to talk about
1041 * endianness of register values by considering a register
1042 * a "cached" copy of the little endiad bit stream.
1043 */
1044static void implement(const struct hid_device *hid, __u8 *report,
1045		      unsigned offset, unsigned n, __u32 value)
1046{
1047	u64 x;
1048	u64 m = (1ULL << n) - 1;
 
1049
1050	if (n > 32)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1051		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1052			 __func__, n, current->comm);
 
 
 
1053
1054	if (value > m)
1055		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1056			 __func__, value, current->comm);
1057	WARN_ON(value > m);
1058	value &= m;
1059
1060	report += offset >> 3;
1061	offset &= 7;
1062
1063	x = get_unaligned_le64(report);
1064	x &= ~(m << offset);
1065	x |= ((u64)value) << offset;
1066	put_unaligned_le64(x, report);
1067}
1068
1069/*
1070 * Search an array for a value.
1071 */
1072
1073static int search(__s32 *array, __s32 value, unsigned n)
1074{
1075	while (n--) {
1076		if (*array++ == value)
1077			return 0;
1078	}
1079	return -1;
1080}
1081
1082/**
1083 * hid_match_report - check if driver's raw_event should be called
1084 *
1085 * @hid: hid device
1086 * @report_type: type to match against
1087 *
1088 * compare hid->driver->report_table->report_type to report->type
1089 */
1090static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1091{
1092	const struct hid_report_id *id = hid->driver->report_table;
1093
1094	if (!id) /* NULL means all */
1095		return 1;
1096
1097	for (; id->report_type != HID_TERMINATOR; id++)
1098		if (id->report_type == HID_ANY_ID ||
1099				id->report_type == report->type)
1100			return 1;
1101	return 0;
1102}
1103
1104/**
1105 * hid_match_usage - check if driver's event should be called
1106 *
1107 * @hid: hid device
1108 * @usage: usage to match against
1109 *
1110 * compare hid->driver->usage_table->usage_{type,code} to
1111 * usage->usage_{type,code}
1112 */
1113static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1114{
1115	const struct hid_usage_id *id = hid->driver->usage_table;
1116
1117	if (!id) /* NULL means all */
1118		return 1;
1119
1120	for (; id->usage_type != HID_ANY_ID - 1; id++)
1121		if ((id->usage_hid == HID_ANY_ID ||
1122				id->usage_hid == usage->hid) &&
1123				(id->usage_type == HID_ANY_ID ||
1124				id->usage_type == usage->type) &&
1125				(id->usage_code == HID_ANY_ID ||
1126				 id->usage_code == usage->code))
1127			return 1;
1128	return 0;
1129}
1130
1131static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1132		struct hid_usage *usage, __s32 value, int interrupt)
1133{
1134	struct hid_driver *hdrv = hid->driver;
1135	int ret;
1136
1137	if (!list_empty(&hid->debug_list))
1138		hid_dump_input(hid, usage, value);
1139
1140	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1141		ret = hdrv->event(hid, field, usage, value);
1142		if (ret != 0) {
1143			if (ret < 0)
1144				hid_err(hid, "%s's event failed with %d\n",
1145						hdrv->name, ret);
1146			return;
1147		}
1148	}
1149
1150	if (hid->claimed & HID_CLAIMED_INPUT)
1151		hidinput_hid_event(hid, field, usage, value);
1152	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1153		hid->hiddev_hid_event(hid, field, usage, value);
1154}
1155
1156/*
1157 * Analyse a received field, and fetch the data from it. The field
1158 * content is stored for next report processing (we do differential
1159 * reporting to the layer).
1160 */
 
 
 
 
1161
1162static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1163			    __u8 *data, int interrupt)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1164{
1165	unsigned n;
1166	unsigned count = field->report_count;
1167	unsigned offset = field->report_offset;
1168	unsigned size = field->report_size;
1169	__s32 min = field->logical_minimum;
1170	__s32 max = field->logical_maximum;
1171	__s32 *value;
1172
1173	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1174	if (!value)
1175		return;
1176
1177	for (n = 0; n < count; n++) {
1178
1179		value[n] = min < 0 ?
1180			snto32(extract(hid, data, offset + n * size, size),
1181			       size) :
1182			extract(hid, data, offset + n * size, size);
1183
1184		/* Ignore report if ErrorRollOver */
1185		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1186		    value[n] >= min && value[n] <= max &&
1187		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1188			goto exit;
 
 
1189	}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1190
1191	for (n = 0; n < count; n++) {
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1192
1193		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1194			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1195			continue;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1196		}
 
 
 
 
1197
1198		if (field->value[n] >= min && field->value[n] <= max
1199			&& field->usage[field->value[n] - min].hid
1200			&& search(value, field->value[n], count))
1201				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1202
1203		if (value[n] >= min && value[n] <= max
1204			&& field->usage[value[n] - min].hid
1205			&& search(field->value, value[n], count))
1206				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1207	}
 
1208
1209	memcpy(field->value, value, count * sizeof(__s32));
1210exit:
1211	kfree(value);
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1212}
1213
1214/*
1215 * Output the field into the report.
1216 */
1217
1218static void hid_output_field(const struct hid_device *hid,
1219			     struct hid_field *field, __u8 *data)
1220{
1221	unsigned count = field->report_count;
1222	unsigned offset = field->report_offset;
1223	unsigned size = field->report_size;
1224	unsigned n;
1225
1226	for (n = 0; n < count; n++) {
1227		if (field->logical_minimum < 0)	/* signed values */
1228			implement(hid, data, offset + n * size, size,
1229				  s32ton(field->value[n], size));
1230		else				/* unsigned values */
1231			implement(hid, data, offset + n * size, size,
1232				  field->value[n]);
1233	}
1234}
1235
1236/*
 
 
 
 
 
 
 
 
 
 
 
1237 * Create a report. 'data' has to be allocated using
1238 * hid_alloc_report_buf() so that it has proper size.
1239 */
1240
1241void hid_output_report(struct hid_report *report, __u8 *data)
1242{
1243	unsigned n;
1244
1245	if (report->id > 0)
1246		*data++ = report->id;
1247
1248	memset(data, 0, ((report->size - 1) >> 3) + 1);
1249	for (n = 0; n < report->maxfield; n++)
1250		hid_output_field(report->device, report->field[n], data);
1251}
1252EXPORT_SYMBOL_GPL(hid_output_report);
1253
1254static int hid_report_len(struct hid_report *report)
1255{
1256	/* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
1257	return ((report->size - 1) >> 3) + 1 + (report->id > 0);
1258}
1259
1260/*
1261 * Allocator for buffer that is going to be passed to hid_output_report()
1262 */
1263u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1264{
1265	/*
1266	 * 7 extra bytes are necessary to achieve proper functionality
1267	 * of implement() working on 8 byte chunks
1268	 */
1269
1270	int len = hid_report_len(report) + 7;
1271
1272	return kmalloc(len, flags);
1273}
1274EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1275
1276/*
1277 * Set a field value. The report this field belongs to has to be
1278 * created and transferred to the device, to set this value in the
1279 * device.
1280 */
1281
1282int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1283{
1284	unsigned size;
1285
1286	if (!field)
1287		return -1;
1288
1289	size = field->report_size;
1290
1291	hid_dump_input(field->report->device, field->usage + offset, value);
1292
1293	if (offset >= field->report_count) {
1294		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1295				offset, field->report_count);
1296		return -1;
1297	}
1298	if (field->logical_minimum < 0) {
1299		if (value != snto32(s32ton(value, size), size)) {
1300			hid_err(field->report->device, "value %d is out of range\n", value);
1301			return -1;
1302		}
1303	}
1304	field->value[offset] = value;
1305	return 0;
1306}
1307EXPORT_SYMBOL_GPL(hid_set_field);
1308
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1309static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1310		const u8 *data)
1311{
1312	struct hid_report *report;
1313	unsigned int n = 0;	/* Normally report number is 0 */
1314
1315	/* Device uses numbered reports, data[0] is report number */
1316	if (report_enum->numbered)
1317		n = *data;
1318
1319	report = report_enum->report_id_hash[n];
1320	if (report == NULL)
1321		dbg_hid("undefined report_id %u received\n", n);
1322
1323	return report;
1324}
1325
1326/*
1327 * Implement a generic .request() callback, using .raw_request()
1328 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1329 */
1330void __hid_request(struct hid_device *hid, struct hid_report *report,
1331		int reqtype)
1332{
1333	char *buf;
1334	int ret;
1335	int len;
1336
1337	buf = hid_alloc_report_buf(report, GFP_KERNEL);
1338	if (!buf)
1339		return;
1340
1341	len = hid_report_len(report);
1342
1343	if (reqtype == HID_REQ_SET_REPORT)
1344		hid_output_report(report, buf);
1345
1346	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1347					  report->type, reqtype);
1348	if (ret < 0) {
1349		dbg_hid("unable to complete request: %d\n", ret);
1350		goto out;
1351	}
1352
1353	if (reqtype == HID_REQ_GET_REPORT)
1354		hid_input_report(hid, report->type, buf, ret, 0);
1355
 
 
1356out:
1357	kfree(buf);
 
1358}
1359EXPORT_SYMBOL_GPL(__hid_request);
1360
1361int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1362		int interrupt)
1363{
1364	struct hid_report_enum *report_enum = hid->report_enum + type;
1365	struct hid_report *report;
1366	struct hid_driver *hdrv;
1367	unsigned int a;
1368	int rsize, csize = size;
1369	u8 *cdata = data;
1370	int ret = 0;
1371
1372	report = hid_get_report(report_enum, data);
1373	if (!report)
1374		goto out;
1375
1376	if (report_enum->numbered) {
1377		cdata++;
1378		csize--;
1379	}
1380
1381	rsize = ((report->size - 1) >> 3) + 1;
1382
1383	if (rsize > HID_MAX_BUFFER_SIZE)
1384		rsize = HID_MAX_BUFFER_SIZE;
 
 
 
 
 
1385
1386	if (csize < rsize) {
1387		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1388				csize, rsize);
1389		memset(cdata + csize, 0, rsize - csize);
1390	}
1391
1392	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1393		hid->hiddev_report_event(hid, report);
1394	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1395		ret = hidraw_report_event(hid, data, size);
1396		if (ret)
1397			goto out;
1398	}
1399
1400	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1401		for (a = 0; a < report->maxfield; a++)
1402			hid_input_field(hid, report->field[a], cdata, interrupt);
1403		hdrv = hid->driver;
1404		if (hdrv && hdrv->report)
1405			hdrv->report(hid, report);
1406	}
1407
1408	if (hid->claimed & HID_CLAIMED_INPUT)
1409		hidinput_report_event(hid, report);
1410out:
1411	return ret;
1412}
1413EXPORT_SYMBOL_GPL(hid_report_raw_event);
1414
1415/**
1416 * hid_input_report - report data from lower layer (usb, bt...)
1417 *
1418 * @hid: hid device
1419 * @type: HID report type (HID_*_REPORT)
1420 * @data: report contents
1421 * @size: size of data parameter
1422 * @interrupt: distinguish between interrupt and control transfers
1423 *
1424 * This is data entry for lower layers.
1425 */
1426int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1427{
1428	struct hid_report_enum *report_enum;
1429	struct hid_driver *hdrv;
1430	struct hid_report *report;
1431	int ret = 0;
1432
1433	if (!hid)
1434		return -ENODEV;
1435
1436	if (down_trylock(&hid->driver_input_lock))
 
 
 
 
1437		return -EBUSY;
 
1438
1439	if (!hid->driver) {
1440		ret = -ENODEV;
1441		goto unlock;
1442	}
1443	report_enum = hid->report_enum + type;
1444	hdrv = hid->driver;
1445
 
 
 
 
 
 
1446	if (!size) {
1447		dbg_hid("empty report\n");
1448		ret = -1;
1449		goto unlock;
1450	}
1451
1452	/* Avoid unnecessary overhead if debugfs is disabled */
1453	if (!list_empty(&hid->debug_list))
1454		hid_dump_report(hid, type, data, size);
1455
1456	report = hid_get_report(report_enum, data);
1457
1458	if (!report) {
1459		ret = -1;
1460		goto unlock;
1461	}
1462
1463	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1464		ret = hdrv->raw_event(hid, report, data, size);
1465		if (ret < 0)
1466			goto unlock;
1467	}
1468
1469	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1470
1471unlock:
1472	up(&hid->driver_input_lock);
 
1473	return ret;
1474}
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1475EXPORT_SYMBOL_GPL(hid_input_report);
1476
1477static bool hid_match_one_id(struct hid_device *hdev,
1478		const struct hid_device_id *id)
1479{
1480	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1481		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1482		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1483		(id->product == HID_ANY_ID || id->product == hdev->product);
1484}
1485
1486const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1487		const struct hid_device_id *id)
1488{
1489	for (; id->bus; id++)
1490		if (hid_match_one_id(hdev, id))
1491			return id;
1492
1493	return NULL;
1494}
 
1495
1496static const struct hid_device_id hid_hiddev_list[] = {
1497	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1498	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1499	{ }
1500};
1501
1502static bool hid_hiddev(struct hid_device *hdev)
1503{
1504	return !!hid_match_id(hdev, hid_hiddev_list);
1505}
1506
1507
1508static ssize_t
1509read_report_descriptor(struct file *filp, struct kobject *kobj,
1510		struct bin_attribute *attr,
1511		char *buf, loff_t off, size_t count)
1512{
1513	struct device *dev = container_of(kobj, struct device, kobj);
1514	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1515
1516	if (off >= hdev->rsize)
1517		return 0;
1518
1519	if (off + count > hdev->rsize)
1520		count = hdev->rsize - off;
1521
1522	memcpy(buf, hdev->rdesc + off, count);
1523
1524	return count;
1525}
1526
 
 
 
 
 
 
 
 
 
1527static struct bin_attribute dev_bin_attr_report_desc = {
1528	.attr = { .name = "report_descriptor", .mode = 0444 },
1529	.read = read_report_descriptor,
1530	.size = HID_MAX_DESCRIPTOR_SIZE,
1531};
1532
 
 
 
 
 
1533int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1534{
1535	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1536		"Joystick", "Gamepad", "Keyboard", "Keypad",
1537		"Multi-Axis Controller"
1538	};
1539	const char *type, *bus;
1540	char buf[64];
1541	unsigned int i;
1542	int len;
1543	int ret;
1544
 
 
 
 
1545	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1546		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1547	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1548		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1549	if (hdev->bus != BUS_USB)
1550		connect_mask &= ~HID_CONNECT_HIDDEV;
1551	if (hid_hiddev(hdev))
1552		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1553
1554	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1555				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1556		hdev->claimed |= HID_CLAIMED_INPUT;
1557
1558	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1559			!hdev->hiddev_connect(hdev,
1560				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1561		hdev->claimed |= HID_CLAIMED_HIDDEV;
1562	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1563		hdev->claimed |= HID_CLAIMED_HIDRAW;
1564
 
 
 
1565	/* Drivers with the ->raw_event callback set are not required to connect
1566	 * to any other listener. */
1567	if (!hdev->claimed && !hdev->driver->raw_event) {
1568		hid_err(hdev, "device has no listeners, quitting\n");
1569		return -ENODEV;
1570	}
1571
 
 
1572	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1573			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1574		hdev->ff_init(hdev);
1575
1576	len = 0;
1577	if (hdev->claimed & HID_CLAIMED_INPUT)
1578		len += sprintf(buf + len, "input");
1579	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1580		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1581				hdev->minor);
1582	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1583		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1584				((struct hidraw *)hdev->hidraw)->minor);
1585
1586	type = "Device";
1587	for (i = 0; i < hdev->maxcollection; i++) {
1588		struct hid_collection *col = &hdev->collection[i];
1589		if (col->type == HID_COLLECTION_APPLICATION &&
1590		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1591		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1592			type = types[col->usage & 0xffff];
1593			break;
1594		}
1595	}
1596
1597	switch (hdev->bus) {
1598	case BUS_USB:
1599		bus = "USB";
1600		break;
1601	case BUS_BLUETOOTH:
1602		bus = "BLUETOOTH";
1603		break;
 
 
 
 
 
 
 
 
 
 
1604	default:
1605		bus = "<UNKNOWN>";
1606	}
1607
1608	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1609	if (ret)
1610		hid_warn(hdev,
1611			 "can't create sysfs report descriptor attribute err: %d\n", ret);
1612
1613	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1614		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1615		 type, hdev->name, hdev->phys);
1616
1617	return 0;
1618}
1619EXPORT_SYMBOL_GPL(hid_connect);
1620
1621void hid_disconnect(struct hid_device *hdev)
1622{
1623	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1624	if (hdev->claimed & HID_CLAIMED_INPUT)
1625		hidinput_disconnect(hdev);
1626	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1627		hdev->hiddev_disconnect(hdev);
1628	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1629		hidraw_disconnect(hdev);
 
 
 
1630}
1631EXPORT_SYMBOL_GPL(hid_disconnect);
1632
1633/*
1634 * A list of devices for which there is a specialized driver on HID bus.
 
 
1635 *
1636 * Please note that for multitouch devices (driven by hid-multitouch driver),
1637 * there is a proper autodetection and autoloading in place (based on presence
1638 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1639 * as we are doing the right thing in hid_scan_usage().
1640 *
1641 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1642 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1643 * used as a driver. See hid_scan_report().
1644 */
1645static const struct hid_device_id hid_have_special_driver[] = {
1646	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1647	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1648	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1649	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1650	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1651	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1652	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1653	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1654	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1655	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1656	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1657	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1658	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1659	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1660	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1661	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1662	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1663	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1664	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1665	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1666	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1667	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1668	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1669	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1670	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1671	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1672	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1673	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1674	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1675	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1676	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1677	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1678	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1679	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1680	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1681	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1682	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1683	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1684	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1685	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1686	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1687	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1688	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1689	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1690	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1691	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1692	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1693	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1694	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1695	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1696	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1697	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1698	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1699	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1700	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1701	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1702	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1703	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1704	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1705	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1706	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1707	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1708	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1709	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1710	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1711	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1712	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1713	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1714	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1715	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1716	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1717	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1718	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1719	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1720	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1721	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1722	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1723	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1724	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1725	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1726	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1727	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1728	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1729	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1730	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1731	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1732	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1733	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1734	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1735	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1736	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1737	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1738	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1739	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1740	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1741	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1742	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1743	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1744	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1745	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1746	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1747	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1748	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1749	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1750	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1751	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1752	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1753	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1754	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1755	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1756	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1757	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1758	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1759	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1760	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1761	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1762	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1763	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1764	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1765	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1766	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1767	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) },
1768	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1769	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1770	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1771	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1772	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1773	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1774	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1775	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1776	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1777	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1778	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1779	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1780	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1781#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
1782	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1783#endif
1784	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1785	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1786	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1787	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1788	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1789	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1790	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1791	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1792	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1793	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1794	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1795	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1796	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1797	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1798	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1799	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1800	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1801	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1802	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1803	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1804	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1805	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1806	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1807	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1808	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1809	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1810#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1811	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1812	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1813#endif
1814	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1815	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1816	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1817	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1818	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1819	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1820	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1821	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1822	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1823	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1824	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1825	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1826	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1827	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1828	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1829	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1830	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1831	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1832	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1833	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1834	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1835	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1836	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1837	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1838	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1839	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1840	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1841	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1842	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1843	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1844	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1845	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1846	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1847	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1848	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1849	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1850	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1851	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1852	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1853#if IS_ENABLED(CONFIG_HID_ROCCAT)
1854	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1855	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1856	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1857	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1858	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1859	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1860	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1861	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1862	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1863	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1864	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1865	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1866	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1867	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1868	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1869	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1870#endif
1871	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1872	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1873	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1874	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1875	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1876	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1877	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1878	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1879	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1880	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1881	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1882	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1883	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1884	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1885	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1886	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1887	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1888	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1889	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1890	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1891	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1892	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1893	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1894	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1895	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1896	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1897	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1898	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1899	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1900	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1901	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1902	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1903	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1904	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1905	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1906	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1907	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1908	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1909	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1910	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1911	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1912	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1913	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1914	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1915	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1916	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1917	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1918	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1919	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1920	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1921	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1922	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
1923	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1924	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
1925	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1926	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1927	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1928
1929	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1930	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1931	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
1932	{ }
1933};
1934
1935struct hid_dynid {
1936	struct list_head list;
1937	struct hid_device_id id;
1938};
1939
1940/**
1941 * store_new_id - add a new HID device ID to this driver and re-probe devices
1942 * @driver: target device driver
1943 * @buf: buffer for scanning device ID data
1944 * @count: input size
1945 *
1946 * Adds a new dynamic hid device ID to this driver,
1947 * and causes the driver to probe for all devices again.
1948 */
1949static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1950		size_t count)
1951{
1952	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1953	struct hid_dynid *dynid;
1954	__u32 bus, vendor, product;
1955	unsigned long driver_data = 0;
1956	int ret;
1957
1958	ret = sscanf(buf, "%x %x %x %lx",
1959			&bus, &vendor, &product, &driver_data);
1960	if (ret < 3)
1961		return -EINVAL;
1962
1963	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1964	if (!dynid)
1965		return -ENOMEM;
1966
1967	dynid->id.bus = bus;
1968	dynid->id.group = HID_GROUP_ANY;
1969	dynid->id.vendor = vendor;
1970	dynid->id.product = product;
1971	dynid->id.driver_data = driver_data;
1972
1973	spin_lock(&hdrv->dyn_lock);
1974	list_add_tail(&dynid->list, &hdrv->dyn_list);
1975	spin_unlock(&hdrv->dyn_lock);
1976
1977	ret = driver_attach(&hdrv->driver);
1978
1979	return ret ? : count;
1980}
1981static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
 
 
 
 
 
 
1982
1983static void hid_free_dynids(struct hid_driver *hdrv)
1984{
1985	struct hid_dynid *dynid, *n;
1986
1987	spin_lock(&hdrv->dyn_lock);
1988	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1989		list_del(&dynid->list);
1990		kfree(dynid);
1991	}
1992	spin_unlock(&hdrv->dyn_lock);
1993}
1994
1995static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1996		struct hid_driver *hdrv)
1997{
1998	struct hid_dynid *dynid;
1999
2000	spin_lock(&hdrv->dyn_lock);
2001	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2002		if (hid_match_one_id(hdev, &dynid->id)) {
2003			spin_unlock(&hdrv->dyn_lock);
2004			return &dynid->id;
2005		}
2006	}
2007	spin_unlock(&hdrv->dyn_lock);
2008
2009	return hid_match_id(hdev, hdrv->id_table);
2010}
 
2011
2012static int hid_bus_match(struct device *dev, struct device_driver *drv)
2013{
2014	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2015	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2016
2017	return hid_match_device(hdev, hdrv) != NULL;
2018}
2019
2020static int hid_device_probe(struct device *dev)
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2021{
2022	struct hid_driver *hdrv = container_of(dev->driver,
2023			struct hid_driver, driver);
2024	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2025	const struct hid_device_id *id;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2026	int ret = 0;
2027
2028	if (down_interruptible(&hdev->driver_lock))
2029		return -EINTR;
2030	if (down_interruptible(&hdev->driver_input_lock)) {
2031		ret = -EINTR;
2032		goto unlock_driver_lock;
2033	}
2034	hdev->io_started = false;
 
2035
2036	if (!hdev->driver) {
2037		id = hid_match_device(hdev, hdrv);
2038		if (id == NULL) {
2039			ret = -ENODEV;
2040			goto unlock;
2041		}
2042
2043		hdev->driver = hdrv;
2044		if (hdrv->probe) {
2045			ret = hdrv->probe(hdev, id);
2046		} else { /* default probe */
2047			ret = hid_open_report(hdev);
2048			if (!ret)
2049				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2050		}
2051		if (ret) {
2052			hid_close_report(hdev);
2053			hdev->driver = NULL;
2054		}
2055	}
2056unlock:
2057	if (!hdev->io_started)
2058		up(&hdev->driver_input_lock);
2059unlock_driver_lock:
2060	up(&hdev->driver_lock);
2061	return ret;
2062}
2063
2064static int hid_device_remove(struct device *dev)
2065{
2066	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2067	struct hid_driver *hdrv;
2068	int ret = 0;
2069
2070	if (down_interruptible(&hdev->driver_lock))
2071		return -EINTR;
2072	if (down_interruptible(&hdev->driver_input_lock)) {
2073		ret = -EINTR;
2074		goto unlock_driver_lock;
2075	}
2076	hdev->io_started = false;
2077
2078	hdrv = hdev->driver;
2079	if (hdrv) {
2080		if (hdrv->remove)
2081			hdrv->remove(hdev);
2082		else /* default remove */
2083			hid_hw_stop(hdev);
 
 
 
 
2084		hid_close_report(hdev);
2085		hdev->driver = NULL;
2086	}
2087
2088	if (!hdev->io_started)
2089		up(&hdev->driver_input_lock);
2090unlock_driver_lock:
2091	up(&hdev->driver_lock);
2092	return ret;
2093}
2094
2095static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2096			     char *buf)
2097{
2098	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2099	int len;
2100
2101	len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2102		       hdev->bus, hdev->group, hdev->vendor, hdev->product);
2103
2104	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
 
2105}
2106static DEVICE_ATTR_RO(modalias);
2107
2108static struct attribute *hid_dev_attrs[] = {
2109	&dev_attr_modalias.attr,
2110	NULL,
2111};
2112ATTRIBUTE_GROUPS(hid_dev);
 
 
 
 
 
 
 
 
2113
2114static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2115{
2116	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2117
2118	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2119			hdev->bus, hdev->vendor, hdev->product))
2120		return -ENOMEM;
2121
2122	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2123		return -ENOMEM;
2124
2125	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2126		return -ENOMEM;
2127
2128	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2129		return -ENOMEM;
2130
2131	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2132			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
2133		return -ENOMEM;
2134
2135	return 0;
2136}
2137
2138static struct bus_type hid_bus_type = {
2139	.name		= "hid",
2140	.dev_groups	= hid_dev_groups,
 
2141	.match		= hid_bus_match,
2142	.probe		= hid_device_probe,
2143	.remove		= hid_device_remove,
2144	.uevent		= hid_uevent,
2145};
2146
2147/* a list of devices that shouldn't be handled by HID core at all */
2148static const struct hid_device_id hid_ignore_list[] = {
2149	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2150	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2151	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2152	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2153	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2154	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2155	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2156	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2157	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2158	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2159	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2160	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2161	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2162	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2163	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2164	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2165	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2166	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2167	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2168	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2169	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2170	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2171	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2172	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2173	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2174	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2175	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2176	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2177	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2178	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2179	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2180	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2181	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2182	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2183	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2184	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2185	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2186	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2187	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2188	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2189	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2190	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2191	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2192	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2193	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2194	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2195	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2196	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2197	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2198	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2199	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2200	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2201	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2202	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2203	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2204	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2205	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2206	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2207	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2208	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2209	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2210	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2211	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2212	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2213	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2214	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2215	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2216	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2217	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2218	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2219	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2220	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2221	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2222	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2223	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2224	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2225	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2226	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2227	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2228	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2229	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2230	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2231	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2232	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2233	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2234	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2235	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2236	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2237	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2238	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2239	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2240	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2241	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2242	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2243	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2244	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2245	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2246	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2247	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2248	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2249	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2250	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2251	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2252	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2253	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2254	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2255	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2256	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2257	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2258	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2259	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2260	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2261	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2262	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2263	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2264	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2265	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2266	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2267	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2268	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2269	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2270	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2271	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2272	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2273	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2274	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2275	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2276	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2277	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2278	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2279	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2280	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2281	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2282	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2283	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2284	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2285	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2286	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2287	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2288	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2289	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2290	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2291	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2292	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2293	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2294	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2295	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2296	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2297	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2298	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2299	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2300	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2301	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2302	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2303	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2304	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2305#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2306	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2307	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2308	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2309	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2310	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2311	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2312	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2313	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2314#endif
2315	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2316	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2317	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2318	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2319	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2320	{ HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2321	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2322	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2323	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2324	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2325	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2326	{ }
2327};
2328
2329/**
2330 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2331 *
2332 * There are composite devices for which we want to ignore only a certain
2333 * interface. This is a list of devices for which only the mouse interface will
2334 * be ignored. This allows a dedicated driver to take care of the interface.
2335 */
2336static const struct hid_device_id hid_mouse_ignore_list[] = {
2337	/* appletouch driver */
2338	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2339	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2340	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2341	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2342	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2343	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2344	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2345	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2346	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2347	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2348	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2349	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2350	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2351	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2352	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2353	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2354	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2355	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2356	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2357	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2358	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2359	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2360	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2361	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2362	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2363	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2364	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2365	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2366	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2367	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2368	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2369	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2370	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2371	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2372	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2373	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2374	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2375	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2376	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2377	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2378	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2379	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2380	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2381	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2382	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2383	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2384	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2385	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2386	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2387	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2388	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2389	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2390	{ }
2391};
2392
2393bool hid_ignore(struct hid_device *hdev)
2394{
2395	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2396		return false;
2397	if (hdev->quirks & HID_QUIRK_IGNORE)
2398		return true;
2399
2400	switch (hdev->vendor) {
2401	case USB_VENDOR_ID_CODEMERCS:
2402		/* ignore all Code Mercenaries IOWarrior devices */
2403		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2404				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2405			return true;
2406		break;
2407	case USB_VENDOR_ID_LOGITECH:
2408		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2409				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2410			return true;
2411		/*
2412		 * The Keene FM transmitter USB device has the same USB ID as
2413		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2414		 * Check if the name is that of the Keene device.
2415		 * For reference: the name of the AudioHub is
2416		 * "HOLTEK  AudioHub Speaker".
2417		 */
2418		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2419			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2420				return true;
2421		break;
2422	case USB_VENDOR_ID_SOUNDGRAPH:
2423		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2424		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2425			return true;
2426		break;
2427	case USB_VENDOR_ID_HANWANG:
2428		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2429		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2430			return true;
2431		break;
2432	case USB_VENDOR_ID_JESS:
2433		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2434				hdev->type == HID_TYPE_USBNONE)
2435			return true;
2436		break;
2437	case USB_VENDOR_ID_VELLEMAN:
2438		/* These are not HID devices.  They are handled by comedi. */
2439		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2440		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2441		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2442		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2443			return true;
2444		break;
2445	case USB_VENDOR_ID_ATMEL_V_USB:
2446		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2447		 * it has the same USB ID as many Atmel V-USB devices. This
2448		 * usb radio is handled by radio-ma901.c driver so we want
2449		 * ignore the hid. Check the name, bus, product and ignore
2450		 * if we have MA901 usb radio.
2451		 */
2452		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2453			hdev->bus == BUS_USB &&
2454			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2455			return true;
2456		break;
2457	}
2458
2459	if (hdev->type == HID_TYPE_USBMOUSE &&
2460			hid_match_id(hdev, hid_mouse_ignore_list))
2461		return true;
2462
2463	return !!hid_match_id(hdev, hid_ignore_list);
2464}
2465EXPORT_SYMBOL_GPL(hid_ignore);
2466
2467int hid_add_device(struct hid_device *hdev)
2468{
2469	static atomic_t id = ATOMIC_INIT(0);
2470	int ret;
2471
2472	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2473		return -EBUSY;
2474
 
 
2475	/* we need to kill them here, otherwise they will stay allocated to
2476	 * wait for coming driver */
2477	if (hid_ignore(hdev))
2478		return -ENODEV;
2479
2480	/*
2481	 * Check for the mandatory transport channel.
2482	 */
2483	 if (!hdev->ll_driver->raw_request) {
2484		hid_err(hdev, "transport driver missing .raw_request()\n");
2485		return -EINVAL;
2486	 }
2487
2488	/*
2489	 * Read the device report descriptor once and use as template
2490	 * for the driver-specific modifications.
2491	 */
2492	ret = hdev->ll_driver->parse(hdev);
2493	if (ret)
2494		return ret;
2495	if (!hdev->dev_rdesc)
2496		return -ENODEV;
2497
2498	/*
2499	 * Scan generic devices for group information
2500	 */
2501	if (hid_ignore_special_drivers ||
2502	    !hid_match_id(hdev, hid_have_special_driver)) {
 
 
2503		ret = hid_scan_report(hdev);
2504		if (ret)
2505			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2506	}
2507
 
 
2508	/* XXX hack, any other cleaner solution after the driver core
2509	 * is converted to allow more than 20 bytes as the device name? */
2510	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2511		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2512
2513	hid_debug_register(hdev, dev_name(&hdev->dev));
2514	ret = device_add(&hdev->dev);
2515	if (!ret)
2516		hdev->status |= HID_STAT_ADDED;
2517	else
2518		hid_debug_unregister(hdev);
2519
2520	return ret;
2521}
2522EXPORT_SYMBOL_GPL(hid_add_device);
2523
2524/**
2525 * hid_allocate_device - allocate new hid device descriptor
2526 *
2527 * Allocate and initialize hid device, so that hid_destroy_device might be
2528 * used to free it.
2529 *
2530 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2531 * error value.
2532 */
2533struct hid_device *hid_allocate_device(void)
2534{
2535	struct hid_device *hdev;
2536	int ret = -ENOMEM;
2537
2538	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2539	if (hdev == NULL)
2540		return ERR_PTR(ret);
2541
2542	device_initialize(&hdev->dev);
2543	hdev->dev.release = hid_device_release;
2544	hdev->dev.bus = &hid_bus_type;
 
2545
2546	hid_close_report(hdev);
2547
2548	init_waitqueue_head(&hdev->debug_wait);
2549	INIT_LIST_HEAD(&hdev->debug_list);
2550	spin_lock_init(&hdev->debug_list_lock);
2551	sema_init(&hdev->driver_lock, 1);
2552	sema_init(&hdev->driver_input_lock, 1);
 
 
 
 
 
 
2553
2554	return hdev;
 
 
 
 
2555}
2556EXPORT_SYMBOL_GPL(hid_allocate_device);
2557
2558static void hid_remove_device(struct hid_device *hdev)
2559{
2560	if (hdev->status & HID_STAT_ADDED) {
2561		device_del(&hdev->dev);
2562		hid_debug_unregister(hdev);
2563		hdev->status &= ~HID_STAT_ADDED;
2564	}
 
2565	kfree(hdev->dev_rdesc);
2566	hdev->dev_rdesc = NULL;
2567	hdev->dev_rsize = 0;
 
2568}
2569
2570/**
2571 * hid_destroy_device - free previously allocated device
2572 *
2573 * @hdev: hid device
2574 *
2575 * If you allocate hid_device through hid_allocate_device, you should ever
2576 * free by this function.
2577 */
2578void hid_destroy_device(struct hid_device *hdev)
2579{
 
2580	hid_remove_device(hdev);
2581	put_device(&hdev->dev);
2582}
2583EXPORT_SYMBOL_GPL(hid_destroy_device);
2584
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
2585int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2586		const char *mod_name)
2587{
2588	int ret;
2589
2590	hdrv->driver.name = hdrv->name;
2591	hdrv->driver.bus = &hid_bus_type;
2592	hdrv->driver.owner = owner;
2593	hdrv->driver.mod_name = mod_name;
2594
2595	INIT_LIST_HEAD(&hdrv->dyn_list);
2596	spin_lock_init(&hdrv->dyn_lock);
2597
2598	ret = driver_register(&hdrv->driver);
2599	if (ret)
2600		return ret;
2601
2602	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2603	if (ret)
2604		driver_unregister(&hdrv->driver);
2605
2606	return ret;
2607}
2608EXPORT_SYMBOL_GPL(__hid_register_driver);
2609
2610void hid_unregister_driver(struct hid_driver *hdrv)
2611{
2612	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2613	driver_unregister(&hdrv->driver);
2614	hid_free_dynids(hdrv);
 
 
2615}
2616EXPORT_SYMBOL_GPL(hid_unregister_driver);
2617
2618int hid_check_keys_pressed(struct hid_device *hid)
2619{
2620	struct hid_input *hidinput;
2621	int i;
2622
2623	if (!(hid->claimed & HID_CLAIMED_INPUT))
2624		return 0;
2625
2626	list_for_each_entry(hidinput, &hid->inputs, list) {
2627		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2628			if (hidinput->input->key[i])
2629				return 1;
2630	}
2631
2632	return 0;
2633}
2634
2635EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2636
 
 
 
 
 
 
 
 
 
 
 
2637static int __init hid_init(void)
2638{
2639	int ret;
2640
2641	if (hid_debug)
2642		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2643			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2644
2645	ret = bus_register(&hid_bus_type);
2646	if (ret) {
2647		pr_err("can't register hid bus\n");
2648		goto err;
2649	}
2650
 
 
 
 
2651	ret = hidraw_init();
2652	if (ret)
2653		goto err_bus;
2654
2655	hid_debug_init();
2656
2657	return 0;
2658err_bus:
2659	bus_unregister(&hid_bus_type);
2660err:
2661	return ret;
2662}
2663
2664static void __exit hid_exit(void)
2665{
 
 
 
2666	hid_debug_exit();
2667	hidraw_exit();
2668	bus_unregister(&hid_bus_type);
 
2669}
2670
2671module_init(hid_init);
2672module_exit(hid_exit);
2673
2674MODULE_AUTHOR("Andreas Gal");
2675MODULE_AUTHOR("Vojtech Pavlik");
2676MODULE_AUTHOR("Jiri Kosina");
2677MODULE_LICENSE(DRIVER_LICENSE);
2678