hid-core.c 87.5 KB
Newer Older
1
/*
J
Jiri Kosina 已提交
2
 *  HID support for Linux
3 4 5 6
 *
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7
 *  Copyright (c) 2006-2012 Jiri Kosina
8 9 10 11 12 13 14 15 16
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License as published by the Free
 * Software Foundation; either version 2 of the License, or (at your option)
 * any later version.
 */

17 18
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

19 20 21 22 23 24 25 26 27 28 29
#include <linux/module.h>
#include <linux/slab.h>
#include <linux/init.h>
#include <linux/kernel.h>
#include <linux/list.h>
#include <linux/mm.h>
#include <linux/spinlock.h>
#include <asm/unaligned.h>
#include <asm/byteorder.h>
#include <linux/input.h>
#include <linux/wait.h>
30
#include <linux/vmalloc.h>
31
#include <linux/sched.h>
32
#include <linux/semaphore.h>
33 34 35

#include <linux/hid.h>
#include <linux/hiddev.h>
36
#include <linux/hid-debug.h>
J
Jiri Kosina 已提交
37
#include <linux/hidraw.h>
38

J
Jiri Slaby 已提交
39 40
#include "hid-ids.h"

41 42 43 44
/*
 * Version Information
 */

J
Jiri Kosina 已提交
45
#define DRIVER_DESC "HID core driver"
46 47
#define DRIVER_LICENSE "GPL"

48
int hid_debug = 0;
49
module_param_named(debug, hid_debug, int, 0600);
50
MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51 52
EXPORT_SYMBOL_GPL(hid_debug);

53 54 55 56
static int hid_ignore_special_drivers = 0;
module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver");

57 58 59 60
/*
 * Register a new report for a device.
 */

M
Michael Poole 已提交
61
struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
62 63 64 65
{
	struct hid_report_enum *report_enum = device->report_enum + type;
	struct hid_report *report;

K
Kees Cook 已提交
66 67
	if (id >= HID_MAX_IDS)
		return NULL;
68 69 70
	if (report_enum->report_id_hash[id])
		return report_enum->report_id_hash[id];

J
Joe Perches 已提交
71 72
	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
	if (!report)
73 74 75 76 77 78 79 80 81 82 83 84 85 86 87
		return NULL;

	if (id != 0)
		report_enum->numbered = 1;

	report->id = id;
	report->type = type;
	report->size = 0;
	report->device = device;
	report_enum->report_id_hash[id] = report;

	list_add_tail(&report->list, &report_enum->report_list);

	return report;
}
M
Michael Poole 已提交
88
EXPORT_SYMBOL_GPL(hid_register_report);
89 90 91 92 93 94 95 96 97 98

/*
 * Register a new field for this report.
 */

static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
{
	struct hid_field *field;

	if (report->maxfield == HID_MAX_FIELDS) {
99
		hid_err(report->device, "too many fields in report\n");
100 101 102
		return NULL;
	}

J
Joe Perches 已提交
103 104 105 106 107
	field = kzalloc((sizeof(struct hid_field) +
			 usages * sizeof(struct hid_usage) +
			 values * sizeof(unsigned)), GFP_KERNEL);
	if (!field)
		return NULL;
108 109 110 111

	field->index = report->maxfield++;
	report->field[field->index] = field;
	field->usage = (struct hid_usage *)(field + 1);
J
Jiri Slaby 已提交
112
	field->value = (s32 *)(field->usage + usages);
113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129
	field->report = report;

	return field;
}

/*
 * Open a collection. The type/usage is pushed on the stack.
 */

static int open_collection(struct hid_parser *parser, unsigned type)
{
	struct hid_collection *collection;
	unsigned usage;

	usage = parser->local.usage[0];

	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
130
		hid_err(parser->device, "collection stack overflow\n");
131
		return -EINVAL;
132 133 134 135 136 137
	}

	if (parser->device->maxcollection == parser->device->collection_size) {
		collection = kmalloc(sizeof(struct hid_collection) *
				parser->device->collection_size * 2, GFP_KERNEL);
		if (collection == NULL) {
138
			hid_err(parser->device, "failed to reallocate collection array\n");
139
			return -ENOMEM;
140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173
		}
		memcpy(collection, parser->device->collection,
			sizeof(struct hid_collection) *
			parser->device->collection_size);
		memset(collection + parser->device->collection_size, 0,
			sizeof(struct hid_collection) *
			parser->device->collection_size);
		kfree(parser->device->collection);
		parser->device->collection = collection;
		parser->device->collection_size *= 2;
	}

	parser->collection_stack[parser->collection_stack_ptr++] =
		parser->device->maxcollection;

	collection = parser->device->collection +
		parser->device->maxcollection++;
	collection->type = type;
	collection->usage = usage;
	collection->level = parser->collection_stack_ptr - 1;

	if (type == HID_COLLECTION_APPLICATION)
		parser->device->maxapplication++;

	return 0;
}

/*
 * Close a collection.
 */

static int close_collection(struct hid_parser *parser)
{
	if (!parser->collection_stack_ptr) {
174
		hid_err(parser->device, "collection stack underflow\n");
175
		return -EINVAL;
176 177 178 179 180 181 182 183 184 185 186 187
	}
	parser->collection_stack_ptr--;
	return 0;
}

/*
 * Climb up the stack, search for the specified collection type
 * and return the usage.
 */

static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
{
188
	struct hid_collection *collection = parser->device->collection;
189
	int n;
190 191 192 193 194 195

	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
		unsigned index = parser->collection_stack[n];
		if (collection[index].type == type)
			return collection[index].usage;
	}
196 197 198 199 200 201 202 203 204 205
	return 0; /* we know nothing about this usage type */
}

/*
 * Add a usage to the temporary parser table.
 */

static int hid_add_usage(struct hid_parser *parser, unsigned usage)
{
	if (parser->local.usage_index >= HID_MAX_USAGES) {
206
		hid_err(parser->device, "usage index exceeded\n");
207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224
		return -1;
	}
	parser->local.usage[parser->local.usage_index] = usage;
	parser->local.collection_index[parser->local.usage_index] =
		parser->collection_stack_ptr ?
		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
	parser->local.usage_index++;
	return 0;
}

/*
 * Register a new field for this report.
 */

static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
{
	struct hid_report *report;
	struct hid_field *field;
225
	unsigned usages;
226
	unsigned offset;
227
	unsigned i;
228

J
Joe Perches 已提交
229 230
	report = hid_register_report(parser->device, report_type, parser->global.report_id);
	if (!report) {
231
		hid_err(parser->device, "hid_register_report failed\n");
232 233 234
		return -1;
	}

235
	/* Handle both signed and unsigned cases properly */
236 237 238 239 240 241 242 243 244
	if ((parser->global.logical_minimum < 0 &&
		parser->global.logical_maximum <
		parser->global.logical_minimum) ||
		(parser->global.logical_minimum >= 0 &&
		(__u32)parser->global.logical_maximum <
		(__u32)parser->global.logical_minimum)) {
		dbg_hid("logical range invalid 0x%x 0x%x\n",
			parser->global.logical_minimum,
			parser->global.logical_maximum);
245 246 247 248 249 250 251 252 253
		return -1;
	}

	offset = report->size;
	report->size += parser->global.report_size * parser->global.report_count;

	if (!parser->local.usage_index) /* Ignore padding fields */
		return 0;

254 255
	usages = max_t(unsigned, parser->local.usage_index,
				 parser->global.report_count);
256

J
Joe Perches 已提交
257 258
	field = hid_register_field(report, usages, parser->global.report_count);
	if (!field)
259 260 261 262 263 264 265
		return 0;

	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);

	for (i = 0; i < usages; i++) {
266
		unsigned j = i;
267 268 269 270 271 272
		/* Duplicate the last usage we parsed if we have excess values */
		if (i >= parser->local.usage_index)
			j = parser->local.usage_index - 1;
		field->usage[i].hid = parser->local.usage[j];
		field->usage[i].collection_index =
			parser->local.collection_index[j];
273
		field->usage[i].usage_index = i;
274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298
	}

	field->maxusage = usages;
	field->flags = flags;
	field->report_offset = offset;
	field->report_type = report_type;
	field->report_size = parser->global.report_size;
	field->report_count = parser->global.report_count;
	field->logical_minimum = parser->global.logical_minimum;
	field->logical_maximum = parser->global.logical_maximum;
	field->physical_minimum = parser->global.physical_minimum;
	field->physical_maximum = parser->global.physical_maximum;
	field->unit_exponent = parser->global.unit_exponent;
	field->unit = parser->global.unit;

	return 0;
}

/*
 * Read data value from item.
 */

static u32 item_udata(struct hid_item *item)
{
	switch (item->size) {
J
Jiri Slaby 已提交
299 300 301
	case 1: return item->data.u8;
	case 2: return item->data.u16;
	case 4: return item->data.u32;
302 303 304 305 306 307 308
	}
	return 0;
}

static s32 item_sdata(struct hid_item *item)
{
	switch (item->size) {
J
Jiri Slaby 已提交
309 310 311
	case 1: return item->data.s8;
	case 2: return item->data.s16;
	case 4: return item->data.s32;
312 313 314 315 316 317 318 319 320 321
	}
	return 0;
}

/*
 * Process a global item.
 */

static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
{
322
	__u32 raw_value;
323
	switch (item->tag) {
J
Jiri Slaby 已提交
324
	case HID_GLOBAL_ITEM_TAG_PUSH:
325

J
Jiri Slaby 已提交
326
		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
327
			hid_err(parser->device, "global environment stack overflow\n");
J
Jiri Slaby 已提交
328 329
			return -1;
		}
330

J
Jiri Slaby 已提交
331 332 333
		memcpy(parser->global_stack + parser->global_stack_ptr++,
			&parser->global, sizeof(struct hid_global));
		return 0;
334

J
Jiri Slaby 已提交
335
	case HID_GLOBAL_ITEM_TAG_POP:
336

J
Jiri Slaby 已提交
337
		if (!parser->global_stack_ptr) {
338
			hid_err(parser->device, "global environment stack underflow\n");
J
Jiri Slaby 已提交
339 340
			return -1;
		}
341

J
Jiri Slaby 已提交
342 343 344
		memcpy(&parser->global, parser->global_stack +
			--parser->global_stack_ptr, sizeof(struct hid_global));
		return 0;
345

J
Jiri Slaby 已提交
346 347 348
	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
		parser->global.usage_page = item_udata(item);
		return 0;
349

J
Jiri Slaby 已提交
350 351 352
	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
		parser->global.logical_minimum = item_sdata(item);
		return 0;
353

J
Jiri Slaby 已提交
354 355 356 357 358 359
	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
		if (parser->global.logical_minimum < 0)
			parser->global.logical_maximum = item_sdata(item);
		else
			parser->global.logical_maximum = item_udata(item);
		return 0;
360

J
Jiri Slaby 已提交
361 362 363
	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
		parser->global.physical_minimum = item_sdata(item);
		return 0;
364

J
Jiri Slaby 已提交
365 366 367 368 369 370
	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
		if (parser->global.physical_minimum < 0)
			parser->global.physical_maximum = item_sdata(item);
		else
			parser->global.physical_maximum = item_udata(item);
		return 0;
371

J
Jiri Slaby 已提交
372
	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
373 374 375 376 377 378 379 380
		/* Units exponent negative numbers are given through a
		 * two's complement.
		 * See "6.2.2.7 Global Items" for more information. */
		raw_value = item_udata(item);
		if (!(raw_value & 0xfffffff0))
			parser->global.unit_exponent = hid_snto32(raw_value, 4);
		else
			parser->global.unit_exponent = raw_value;
J
Jiri Slaby 已提交
381
		return 0;
382

J
Jiri Slaby 已提交
383 384 385
	case HID_GLOBAL_ITEM_TAG_UNIT:
		parser->global.unit = item_udata(item);
		return 0;
386

J
Jiri Slaby 已提交
387 388
	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
		parser->global.report_size = item_udata(item);
389
		if (parser->global.report_size > 128) {
390
			hid_err(parser->device, "invalid report_size %d\n",
J
Jiri Slaby 已提交
391 392 393 394
					parser->global.report_size);
			return -1;
		}
		return 0;
395

J
Jiri Slaby 已提交
396 397 398
	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
		parser->global.report_count = item_udata(item);
		if (parser->global.report_count > HID_MAX_USAGES) {
399
			hid_err(parser->device, "invalid report_count %d\n",
J
Jiri Slaby 已提交
400 401 402 403
					parser->global.report_count);
			return -1;
		}
		return 0;
404

J
Jiri Slaby 已提交
405 406
	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
		parser->global.report_id = item_udata(item);
K
Kees Cook 已提交
407 408 409 410
		if (parser->global.report_id == 0 ||
		    parser->global.report_id >= HID_MAX_IDS) {
			hid_err(parser->device, "report_id %u is invalid\n",
				parser->global.report_id);
411
			return -1;
J
Jiri Slaby 已提交
412 413 414 415
		}
		return 0;

	default:
416
		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
J
Jiri Slaby 已提交
417
		return -1;
418 419 420 421 422 423 424 425 426 427 428 429 430 431 432
	}
}

/*
 * Process a local item.
 */

static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
{
	__u32 data;
	unsigned n;

	data = item_udata(item);

	switch (item->tag) {
J
Jiri Slaby 已提交
433 434 435 436 437 438 439 440 441 442
	case HID_LOCAL_ITEM_TAG_DELIMITER:

		if (data) {
			/*
			 * We treat items before the first delimiter
			 * as global to all usage sets (branch 0).
			 * In the moment we process only these global
			 * items and the first delimiter set.
			 */
			if (parser->local.delimiter_depth != 0) {
443
				hid_err(parser->device, "nested delimiters\n");
J
Jiri Slaby 已提交
444
				return -1;
445
			}
J
Jiri Slaby 已提交
446 447 448 449
			parser->local.delimiter_depth++;
			parser->local.delimiter_branch++;
		} else {
			if (parser->local.delimiter_depth < 1) {
450
				hid_err(parser->device, "bogus close delimiter\n");
J
Jiri Slaby 已提交
451
				return -1;
452
			}
J
Jiri Slaby 已提交
453 454
			parser->local.delimiter_depth--;
		}
455
		return 0;
456

J
Jiri Slaby 已提交
457
	case HID_LOCAL_ITEM_TAG_USAGE:
458

J
Jiri Slaby 已提交
459 460 461 462
		if (parser->local.delimiter_branch > 1) {
			dbg_hid("alternative usage ignored\n");
			return 0;
		}
463

J
Jiri Slaby 已提交
464 465
		if (item->size <= 2)
			data = (parser->global.usage_page << 16) + data;
466

J
Jiri Slaby 已提交
467
		return hid_add_usage(parser, data);
468

J
Jiri Slaby 已提交
469
	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
470

J
Jiri Slaby 已提交
471 472
		if (parser->local.delimiter_branch > 1) {
			dbg_hid("alternative usage ignored\n");
473
			return 0;
J
Jiri Slaby 已提交
474
		}
475

J
Jiri Slaby 已提交
476 477
		if (item->size <= 2)
			data = (parser->global.usage_page << 16) + data;
478

J
Jiri Slaby 已提交
479 480
		parser->local.usage_minimum = data;
		return 0;
481

J
Jiri Slaby 已提交
482
	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
483

J
Jiri Slaby 已提交
484 485
		if (parser->local.delimiter_branch > 1) {
			dbg_hid("alternative usage ignored\n");
486
			return 0;
J
Jiri Slaby 已提交
487
		}
488

J
Jiri Slaby 已提交
489 490
		if (item->size <= 2)
			data = (parser->global.usage_page << 16) + data;
491

J
Jiri Slaby 已提交
492 493 494 495 496 497 498 499 500 501 502
		for (n = parser->local.usage_minimum; n <= data; n++)
			if (hid_add_usage(parser, n)) {
				dbg_hid("hid_add_usage failed\n");
				return -1;
			}
		return 0;

	default:

		dbg_hid("unknown local item tag 0x%x\n", item->tag);
		return 0;
503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518
	}
	return 0;
}

/*
 * Process a main item.
 */

static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
{
	__u32 data;
	int ret;

	data = item_udata(item);

	switch (item->tag) {
J
Jiri Slaby 已提交
519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534
	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
		ret = open_collection(parser, data & 0xff);
		break;
	case HID_MAIN_ITEM_TAG_END_COLLECTION:
		ret = close_collection(parser);
		break;
	case HID_MAIN_ITEM_TAG_INPUT:
		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
		break;
	case HID_MAIN_ITEM_TAG_OUTPUT:
		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
		break;
	case HID_MAIN_ITEM_TAG_FEATURE:
		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
		break;
	default:
535
		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
J
Jiri Slaby 已提交
536
		ret = 0;
537 538 539 540 541 542 543 544 545 546 547 548 549
	}

	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */

	return ret;
}

/*
 * Process a reserved item.
 */

static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
{
550
	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569
	return 0;
}

/*
 * Free a report and all registered fields. The field->usage and
 * field->value table's are allocated behind the field, so we need
 * only to free(field) itself.
 */

static void hid_free_report(struct hid_report *report)
{
	unsigned n;

	for (n = 0; n < report->maxfield; n++)
		kfree(report->field[n]);
	kfree(report);
}

/*
570 571
 * Close report. This function returns the device
 * state to the point prior to hid_open_report().
572
 */
573
static void hid_close_report(struct hid_device *device)
574
{
J
Jiri Slaby 已提交
575
	unsigned i, j;
576 577 578 579

	for (i = 0; i < HID_REPORT_TYPES; i++) {
		struct hid_report_enum *report_enum = device->report_enum + i;

K
Kees Cook 已提交
580
		for (j = 0; j < HID_MAX_IDS; j++) {
581 582 583 584
			struct hid_report *report = report_enum->report_id_hash[j];
			if (report)
				hid_free_report(report);
		}
585 586
		memset(report_enum, 0, sizeof(*report_enum));
		INIT_LIST_HEAD(&report_enum->report_list);
587 588 589
	}

	kfree(device->rdesc);
590 591 592
	device->rdesc = NULL;
	device->rsize = 0;

J
Jiri Kosina 已提交
593
	kfree(device->collection);
594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612
	device->collection = NULL;
	device->collection_size = 0;
	device->maxcollection = 0;
	device->maxapplication = 0;

	device->status &= ~HID_STAT_PARSED;
}

/*
 * Free a device structure, all reports, and all fields.
 */

static void hid_device_release(struct device *dev)
{
	struct hid_device *hid = container_of(dev, struct hid_device, dev);

	hid_close_report(hid);
	kfree(hid->dev_rdesc);
	kfree(hid);
613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653
}

/*
 * Fetch a report description item from the data stream. We support long
 * items, though they are not used yet.
 */

static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
{
	u8 b;

	if ((end - start) <= 0)
		return NULL;

	b = *start++;

	item->type = (b >> 2) & 3;
	item->tag  = (b >> 4) & 15;

	if (item->tag == HID_ITEM_TAG_LONG) {

		item->format = HID_ITEM_FORMAT_LONG;

		if ((end - start) < 2)
			return NULL;

		item->size = *start++;
		item->tag  = *start++;

		if ((end - start) < item->size)
			return NULL;

		item->data.longdata = start;
		start += item->size;
		return start;
	}

	item->format = HID_ITEM_FORMAT_SHORT;
	item->size = b & 3;

	switch (item->size) {
J
Jiri Slaby 已提交
654 655
	case 0:
		return start;
656

J
Jiri Slaby 已提交
657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676
	case 1:
		if ((end - start) < 1)
			return NULL;
		item->data.u8 = *start++;
		return start;

	case 2:
		if ((end - start) < 2)
			return NULL;
		item->data.u16 = get_unaligned_le16(start);
		start = (__u8 *)((__le16 *)start + 1);
		return start;

	case 3:
		item->size++;
		if ((end - start) < 4)
			return NULL;
		item->data.u32 = get_unaligned_le32(start);
		start = (__u8 *)((__le32 *)start + 1);
		return start;
677 678 679 680 681
	}

	return NULL;
}

682
static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
683
{
684 685
	struct hid_device *hid = parser->device;

686 687
	if (usage == HID_DG_CONTACTID)
		hid->group = HID_GROUP_MULTITOUCH;
688 689
}

690 691 692 693 694 695 696
static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
{
	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
	    parser->global.report_size == 8)
		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
}

697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725
static void hid_scan_collection(struct hid_parser *parser, unsigned type)
{
	struct hid_device *hid = parser->device;

	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
	    type == HID_COLLECTION_PHYSICAL)
		hid->group = HID_GROUP_SENSOR_HUB;
}

static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
{
	__u32 data;
	int i;

	data = item_udata(item);

	switch (item->tag) {
	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
		hid_scan_collection(parser, data & 0xff);
		break;
	case HID_MAIN_ITEM_TAG_END_COLLECTION:
		break;
	case HID_MAIN_ITEM_TAG_INPUT:
		for (i = 0; i < parser->local.usage_index; i++)
			hid_scan_input_usage(parser, parser->local.usage[i]);
		break;
	case HID_MAIN_ITEM_TAG_OUTPUT:
		break;
	case HID_MAIN_ITEM_TAG_FEATURE:
726 727
		for (i = 0; i < parser->local.usage_index; i++)
			hid_scan_feature_usage(parser, parser->local.usage[i]);
728 729 730 731 732 733 734 735 736
		break;
	}

	/* Reset the local parser environment */
	memset(&parser->local, 0, sizeof(parser->local));

	return 0;
}

737 738 739 740 741 742 743
/*
 * Scan a report descriptor before the device is added to the bus.
 * Sets device groups and other properties that determine what driver
 * to load.
 */
static int hid_scan_report(struct hid_device *hid)
{
744 745
	struct hid_parser *parser;
	struct hid_item item;
746 747
	__u8 *start = hid->dev_rdesc;
	__u8 *end = start + hid->dev_rsize;
748 749 750 751 752 753 754 755 756 757 758
	static int (*dispatch_type[])(struct hid_parser *parser,
				      struct hid_item *item) = {
		hid_scan_main,
		hid_parser_global,
		hid_parser_local,
		hid_parser_reserved
	};

	parser = vzalloc(sizeof(struct hid_parser));
	if (!parser)
		return -ENOMEM;
759

760
	parser->device = hid;
761 762
	hid->group = HID_GROUP_GENERIC;

763 764 765 766 767 768 769 770
	/*
	 * The parsing is simpler than the one in hid_open_report() as we should
	 * be robust against hid errors. Those errors will be raised by
	 * hid_open_report() anyway.
	 */
	while ((start = fetch_item(start, end, &item)) != NULL)
		dispatch_type[item.type](parser, &item);

771 772 773 774 775 776 777
	/*
	 * Handle special flags set during scanning.
	 */
	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
	    (hid->group == HID_GROUP_MULTITOUCH))
		hid->group = HID_GROUP_MULTITOUCH_WIN_8;

778
	vfree(parser);
779 780 781
	return 0;
}

J
Jiri Slaby 已提交
782 783 784 785 786 787 788
/**
 * hid_parse_report - parse device report
 *
 * @device: hid device
 * @start: report start
 * @size: report size
 *
789 790 791 792 793 794 795 796 797 798 799 800 801
 * Allocate the device report as read by the bus driver. This function should
 * only be called from parse() in ll drivers.
 */
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
{
	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
	if (!hid->dev_rdesc)
		return -ENOMEM;
	hid->dev_rsize = size;
	return 0;
}
EXPORT_SYMBOL_GPL(hid_parse_report);

802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823 824 825 826 827 828 829 830 831 832 833 834 835 836 837 838 839 840 841 842 843 844 845 846 847 848 849 850 851 852 853 854 855 856 857 858 859
static const char * const hid_report_names[] = {
	"HID_INPUT_REPORT",
	"HID_OUTPUT_REPORT",
	"HID_FEATURE_REPORT",
};
/**
 * hid_validate_values - validate existing device report's value indexes
 *
 * @device: hid device
 * @type: which report type to examine
 * @id: which report ID to examine (0 for first)
 * @field_index: which report field to examine
 * @report_counts: expected number of values
 *
 * Validate the number of values in a given field of a given report, after
 * parsing.
 */
struct hid_report *hid_validate_values(struct hid_device *hid,
				       unsigned int type, unsigned int id,
				       unsigned int field_index,
				       unsigned int report_counts)
{
	struct hid_report *report;

	if (type > HID_FEATURE_REPORT) {
		hid_err(hid, "invalid HID report type %u\n", type);
		return NULL;
	}

	if (id >= HID_MAX_IDS) {
		hid_err(hid, "invalid HID report id %u\n", id);
		return NULL;
	}

	/*
	 * Explicitly not using hid_get_report() here since it depends on
	 * ->numbered being checked, which may not always be the case when
	 * drivers go to access report values.
	 */
	report = hid->report_enum[type].report_id_hash[id];
	if (!report) {
		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
		return NULL;
	}
	if (report->maxfield <= field_index) {
		hid_err(hid, "not enough fields in %s %u\n",
			hid_report_names[type], id);
		return NULL;
	}
	if (report->field[field_index]->report_count < report_counts) {
		hid_err(hid, "not enough values in %s %u field %u\n",
			hid_report_names[type], id, field_index);
		return NULL;
	}
	return report;
}
EXPORT_SYMBOL_GPL(hid_validate_values);

860 861 862 863 864
/**
 * hid_open_report - open a driver-specific device report
 *
 * @device: hid device
 *
865 866
 * Parse a report description into a hid_device structure. Reports are
 * enumerated, fields are attached to these reports.
J
Jiri Slaby 已提交
867
 * 0 returned on success, otherwise nonzero error value.
868 869 870
 *
 * This function (or the equivalent hid_parse() macro) should only be
 * called from probe() in drivers, before starting the device.
871
 */
872
int hid_open_report(struct hid_device *device)
873 874 875
{
	struct hid_parser *parser;
	struct hid_item item;
876 877
	unsigned int size;
	__u8 *start;
878
	__u8 *buf;
879
	__u8 *end;
J
Jiri Slaby 已提交
880
	int ret;
881 882 883 884 885 886 887 888
	static int (*dispatch_type[])(struct hid_parser *parser,
				      struct hid_item *item) = {
		hid_parser_main,
		hid_parser_global,
		hid_parser_local,
		hid_parser_reserved
	};

889 890 891 892 893 894 895 896
	if (WARN_ON(device->status & HID_STAT_PARSED))
		return -EBUSY;

	start = device->dev_rdesc;
	if (WARN_ON(!start))
		return -ENODEV;
	size = device->dev_rsize;

897 898 899 900
	buf = kmemdup(start, size, GFP_KERNEL);
	if (buf == NULL)
		return -ENOMEM;

J
Jiri Slaby 已提交
901
	if (device->driver->report_fixup)
902 903 904
		start = device->driver->report_fixup(device, buf, &size);
	else
		start = buf;
J
Jiri Slaby 已提交
905

906 907 908
	start = kmemdup(start, size, GFP_KERNEL);
	kfree(buf);
	if (start == NULL)
J
Jiri Slaby 已提交
909
		return -ENOMEM;
910 911

	device->rdesc = start;
912 913
	device->rsize = size;

914
	parser = vzalloc(sizeof(struct hid_parser));
J
Jiri Slaby 已提交
915 916 917
	if (!parser) {
		ret = -ENOMEM;
		goto err;
918
	}
J
Jiri Slaby 已提交
919

920 921 922
	parser->device = device;

	end = start + size;
923 924 925 926 927 928 929 930 931

	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
				     sizeof(struct hid_collection), GFP_KERNEL);
	if (!device->collection) {
		ret = -ENOMEM;
		goto err;
	}
	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;

J
Jiri Slaby 已提交
932
	ret = -EINVAL;
933 934 935
	while ((start = fetch_item(start, end, &item)) != NULL) {

		if (item.format != HID_ITEM_FORMAT_SHORT) {
936
			hid_err(device, "unexpected long global item\n");
J
Jiri Slaby 已提交
937
			goto err;
938 939 940
		}

		if (dispatch_type[item.type](parser, &item)) {
941
			hid_err(device, "item %u %u %u %u parsing failed\n",
942 943
				item.format, (unsigned)item.size,
				(unsigned)item.type, (unsigned)item.tag);
J
Jiri Slaby 已提交
944
			goto err;
945 946 947 948
		}

		if (start == end) {
			if (parser->collection_stack_ptr) {
949
				hid_err(device, "unbalanced collection at end of report description\n");
J
Jiri Slaby 已提交
950
				goto err;
951 952
			}
			if (parser->local.delimiter_depth) {
953
				hid_err(device, "unbalanced delimiter at end of report description\n");
J
Jiri Slaby 已提交
954
				goto err;
955
			}
956
			vfree(parser);
957
			device->status |= HID_STAT_PARSED;
J
Jiri Slaby 已提交
958
			return 0;
959 960 961
		}
	}

962
	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
J
Jiri Slaby 已提交
963
err:
964
	vfree(parser);
965
	hid_close_report(device);
J
Jiri Slaby 已提交
966
	return ret;
967
}
968
EXPORT_SYMBOL_GPL(hid_open_report);
969 970 971 972 973 974 975 976 977 978

/*
 * Convert a signed n-bit integer to signed 32-bit integer. Common
 * cases are done through the compiler, the screwed things has to be
 * done by hand.
 */

static s32 snto32(__u32 value, unsigned n)
{
	switch (n) {
J
Jiri Slaby 已提交
979 980 981
	case 8:  return ((__s8)value);
	case 16: return ((__s16)value);
	case 32: return ((__s32)value);
982 983 984 985
	}
	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
}

986 987 988 989 990 991
s32 hid_snto32(__u32 value, unsigned n)
{
	return snto32(value, n);
}
EXPORT_SYMBOL_GPL(hid_snto32);

992 993 994 995 996 997 998 999 1000 1001 1002 1003 1004 1005 1006 1007 1008 1009 1010 1011 1012 1013 1014 1015
/*
 * Convert a signed 32-bit integer to a signed n-bit integer.
 */

static u32 s32ton(__s32 value, unsigned n)
{
	s32 a = value >> (n - 1);
	if (a && a != -1)
		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
	return value & ((1 << n) - 1);
}

/*
 * Extract/implement a data field from/to a little endian report (bit array).
 *
 * Code sort-of follows HID spec:
 *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
 *
 * While the USB HID spec allows unlimited length bit fields in "report
 * descriptors", most devices never use more than 16 bits.
 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
 */

J
Joe Perches 已提交
1016 1017
static __u32 extract(const struct hid_device *hid, __u8 *report,
		     unsigned offset, unsigned n)
1018 1019 1020
{
	u64 x;

1021
	if (n > 32)
1022 1023
		hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
			 n, current->comm);
1024 1025

	report += offset >> 3;  /* adjust byte index */
J
Jiri Kosina 已提交
1026
	offset &= 7;            /* now only need bit offset into one byte */
1027
	x = get_unaligned_le64(report);
J
Jiri Kosina 已提交
1028
	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1029 1030 1031 1032 1033 1034 1035 1036 1037 1038 1039
	return (u32) x;
}

/*
 * "implement" : set bits in a little endian bit stream.
 * Same concepts as "extract" (see comments above).
 * The data mangled in the bit stream remains in little endian
 * order the whole time. It make more sense to talk about
 * endianness of register values by considering a register
 * a "cached" copy of the little endiad bit stream.
 */
J
Joe Perches 已提交
1040 1041
static void implement(const struct hid_device *hid, __u8 *report,
		      unsigned offset, unsigned n, __u32 value)
1042
{
1043
	u64 x;
1044 1045
	u64 m = (1ULL << n) - 1;

1046
	if (n > 32)
1047 1048
		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
			 __func__, n, current->comm);
1049

1050
	if (value > m)
1051 1052
		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
			 __func__, value, current->comm);
1053 1054 1055 1056 1057 1058
	WARN_ON(value > m);
	value &= m;

	report += offset >> 3;
	offset &= 7;

1059 1060 1061 1062
	x = get_unaligned_le64(report);
	x &= ~(m << offset);
	x |= ((u64)value) << offset;
	put_unaligned_le64(x, report);
1063 1064 1065 1066 1067 1068
}

/*
 * Search an array for a value.
 */

J
Joe Perches 已提交
1069
static int search(__s32 *array, __s32 value, unsigned n)
1070 1071 1072 1073 1074 1075 1076 1077
{
	while (n--) {
		if (*array++ == value)
			return 0;
	}
	return -1;
}

J
Jiri Slaby 已提交
1078 1079 1080 1081 1082 1083 1084 1085 1086
/**
 * hid_match_report - check if driver's raw_event should be called
 *
 * @hid: hid device
 * @report_type: type to match against
 *
 * compare hid->driver->report_table->report_type to report->type
 */
static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1087
{
J
Jiri Slaby 已提交
1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 1103 1104 1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 1118 1119 1120 1121 1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132
	const struct hid_report_id *id = hid->driver->report_table;

	if (!id) /* NULL means all */
		return 1;

	for (; id->report_type != HID_TERMINATOR; id++)
		if (id->report_type == HID_ANY_ID ||
				id->report_type == report->type)
			return 1;
	return 0;
}

/**
 * hid_match_usage - check if driver's event should be called
 *
 * @hid: hid device
 * @usage: usage to match against
 *
 * compare hid->driver->usage_table->usage_{type,code} to
 * usage->usage_{type,code}
 */
static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
{
	const struct hid_usage_id *id = hid->driver->usage_table;

	if (!id) /* NULL means all */
		return 1;

	for (; id->usage_type != HID_ANY_ID - 1; id++)
		if ((id->usage_hid == HID_ANY_ID ||
				id->usage_hid == usage->hid) &&
				(id->usage_type == HID_ANY_ID ||
				id->usage_type == usage->type) &&
				(id->usage_code == HID_ANY_ID ||
				 id->usage_code == usage->code))
			return 1;
	return 0;
}

static void hid_process_event(struct hid_device *hid, struct hid_field *field,
		struct hid_usage *usage, __s32 value, int interrupt)
{
	struct hid_driver *hdrv = hid->driver;
	int ret;

1133 1134
	if (!list_empty(&hid->debug_list))
		hid_dump_input(hid, usage, value);
J
Jiri Slaby 已提交
1135 1136 1137 1138 1139

	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
		ret = hdrv->event(hid, field, usage, value);
		if (ret != 0) {
			if (ret < 0)
1140
				hid_err(hid, "%s's event failed with %d\n",
J
Jiri Slaby 已提交
1141 1142 1143 1144 1145
						hdrv->name, ret);
			return;
		}
	}

1146 1147
	if (hid->claimed & HID_CLAIMED_INPUT)
		hidinput_hid_event(hid, field, usage, value);
J
Jiri Kosina 已提交
1148 1149
	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
		hid->hiddev_hid_event(hid, field, usage, value);
1150 1151 1152 1153 1154 1155 1156 1157
}

/*
 * Analyse a received field, and fetch the data from it. The field
 * content is stored for next report processing (we do differential
 * reporting to the layer).
 */

1158 1159
static void hid_input_field(struct hid_device *hid, struct hid_field *field,
			    __u8 *data, int interrupt)
1160 1161 1162 1163 1164 1165 1166 1167 1168
{
	unsigned n;
	unsigned count = field->report_count;
	unsigned offset = field->report_offset;
	unsigned size = field->report_size;
	__s32 min = field->logical_minimum;
	__s32 max = field->logical_maximum;
	__s32 *value;

J
Joe Perches 已提交
1169 1170
	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
	if (!value)
1171 1172 1173 1174
		return;

	for (n = 0; n < count; n++) {

1175 1176 1177 1178
		value[n] = min < 0 ?
			snto32(extract(hid, data, offset + n * size, size),
			       size) :
			extract(hid, data, offset + n * size, size);
1179

1180 1181 1182 1183 1184
		/* Ignore report if ErrorRollOver */
		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
		    value[n] >= min && value[n] <= max &&
		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
			goto exit;
1185 1186 1187 1188 1189 1190 1191 1192 1193 1194 1195 1196 1197 1198 1199 1200 1201 1202 1203 1204 1205 1206 1207 1208 1209 1210 1211 1212 1213
	}

	for (n = 0; n < count; n++) {

		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
			continue;
		}

		if (field->value[n] >= min && field->value[n] <= max
			&& field->usage[field->value[n] - min].hid
			&& search(value, field->value[n], count))
				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);

		if (value[n] >= min && value[n] <= max
			&& field->usage[value[n] - min].hid
			&& search(field->value, value[n], count))
				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
	}

	memcpy(field->value, value, count * sizeof(__s32));
exit:
	kfree(value);
}

/*
 * Output the field into the report.
 */

1214 1215
static void hid_output_field(const struct hid_device *hid,
			     struct hid_field *field, __u8 *data)
1216 1217 1218 1219 1220 1221 1222 1223
{
	unsigned count = field->report_count;
	unsigned offset = field->report_offset;
	unsigned size = field->report_size;
	unsigned n;

	for (n = 0; n < count; n++) {
		if (field->logical_minimum < 0)	/* signed values */
1224 1225
			implement(hid, data, offset + n * size, size,
				  s32ton(field->value[n], size));
1226
		else				/* unsigned values */
1227 1228
			implement(hid, data, offset + n * size, size,
				  field->value[n]);
1229 1230 1231 1232
	}
}

/*
1233 1234
 * Create a report. 'data' has to be allocated using
 * hid_alloc_report_buf() so that it has proper size.
1235 1236
 */

J
Jiri Kosina 已提交
1237
void hid_output_report(struct hid_report *report, __u8 *data)
1238 1239 1240 1241 1242 1243
{
	unsigned n;

	if (report->id > 0)
		*data++ = report->id;

1244
	memset(data, 0, ((report->size - 1) >> 3) + 1);
1245
	for (n = 0; n < report->maxfield; n++)
1246
		hid_output_field(report->device, report->field[n], data);
1247
}
J
Jiri Kosina 已提交
1248
EXPORT_SYMBOL_GPL(hid_output_report);
1249

1250 1251 1252 1253 1254 1255 1256 1257 1258 1259 1260 1261 1262 1263 1264 1265
/*
 * Allocator for buffer that is going to be passed to hid_output_report()
 */
u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
{
	/*
	 * 7 extra bytes are necessary to achieve proper functionality
	 * of implement() working on 8 byte chunks
	 */

	int len = ((report->size - 1) >> 3) + 1 + (report->id > 0) + 7;

	return kmalloc(len, flags);
}
EXPORT_SYMBOL_GPL(hid_alloc_report_buf);

1266 1267 1268 1269 1270 1271 1272 1273
/*
 * Set a field value. The report this field belongs to has to be
 * created and transferred to the device, to set this value in the
 * device.
 */

int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
{
1274 1275 1276 1277 1278 1279
	unsigned size;

	if (!field)
		return -1;

	size = field->report_size;
1280

1281
	hid_dump_input(field->report->device, field->usage + offset, value);
1282 1283

	if (offset >= field->report_count) {
1284 1285
		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
				offset, field->report_count);
1286 1287 1288 1289
		return -1;
	}
	if (field->logical_minimum < 0) {
		if (value != snto32(s32ton(value, size), size)) {
1290
			hid_err(field->report->device, "value %d is out of range\n", value);
1291 1292 1293 1294 1295 1296
			return -1;
		}
	}
	field->value[offset] = value;
	return 0;
}
J
Jiri Kosina 已提交
1297
EXPORT_SYMBOL_GPL(hid_set_field);
1298

J
Jiri Slaby 已提交
1299 1300
static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
		const u8 *data)
1301 1302
{
	struct hid_report *report;
J
Jiri Slaby 已提交
1303
	unsigned int n = 0;	/* Normally report number is 0 */
1304

J
Jiri Slaby 已提交
1305 1306 1307
	/* Device uses numbered reports, data[0] is report number */
	if (report_enum->numbered)
		n = *data;
1308

J
Jiri Slaby 已提交
1309 1310 1311
	report = report_enum->report_id_hash[n];
	if (report == NULL)
		dbg_hid("undefined report_id %u received\n", n);
1312

J
Jiri Slaby 已提交
1313 1314
	return report;
}
1315

1316
int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
J
Jiri Slaby 已提交
1317 1318 1319 1320
		int interrupt)
{
	struct hid_report_enum *report_enum = hid->report_enum + type;
	struct hid_report *report;
1321
	struct hid_driver *hdrv;
J
Jiri Slaby 已提交
1322 1323 1324
	unsigned int a;
	int rsize, csize = size;
	u8 *cdata = data;
1325
	int ret = 0;
1326

J
Jiri Slaby 已提交
1327 1328
	report = hid_get_report(report_enum, data);
	if (!report)
1329
		goto out;
1330

J
Jiri Slaby 已提交
1331 1332 1333
	if (report_enum->numbered) {
		cdata++;
		csize--;
1334 1335 1336 1337
	}

	rsize = ((report->size - 1) >> 3) + 1;

1338 1339 1340
	if (rsize > HID_MAX_BUFFER_SIZE)
		rsize = HID_MAX_BUFFER_SIZE;

J
Jiri Slaby 已提交
1341 1342 1343 1344
	if (csize < rsize) {
		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
				csize, rsize);
		memset(cdata + csize, 0, rsize - csize);
1345 1346 1347 1348
	}

	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
		hid->hiddev_report_event(hid, report);
1349 1350 1351 1352 1353
	if (hid->claimed & HID_CLAIMED_HIDRAW) {
		ret = hidraw_report_event(hid, data, size);
		if (ret)
			goto out;
	}
1354

1355
	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1356 1357
		for (a = 0; a < report->maxfield; a++)
			hid_input_field(hid, report->field[a], cdata, interrupt);
1358 1359 1360
		hdrv = hid->driver;
		if (hdrv && hdrv->report)
			hdrv->report(hid, report);
1361
	}
1362 1363 1364

	if (hid->claimed & HID_CLAIMED_INPUT)
		hidinput_report_event(hid, report);
1365 1366
out:
	return ret;
J
Jiri Slaby 已提交
1367 1368 1369 1370 1371 1372 1373 1374 1375 1376
}
EXPORT_SYMBOL_GPL(hid_report_raw_event);

/**
 * hid_input_report - report data from lower layer (usb, bt...)
 *
 * @hid: hid device
 * @type: HID report type (HID_*_REPORT)
 * @data: report contents
 * @size: size of data parameter
1377
 * @interrupt: distinguish between interrupt and control transfers
J
Jiri Slaby 已提交
1378 1379 1380 1381 1382
 *
 * This is data entry for lower layers.
 */
int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
{
1383 1384
	struct hid_report_enum *report_enum;
	struct hid_driver *hdrv;
J
Jiri Slaby 已提交
1385
	struct hid_report *report;
1386
	int ret = 0;
J
Jiri Slaby 已提交
1387

1388
	if (!hid)
J
Jiri Slaby 已提交
1389
		return -ENODEV;
1390

1391
	if (down_trylock(&hid->driver_input_lock))
1392 1393 1394 1395 1396 1397
		return -EBUSY;

	if (!hid->driver) {
		ret = -ENODEV;
		goto unlock;
	}
1398 1399
	report_enum = hid->report_enum + type;
	hdrv = hid->driver;
J
Jiri Slaby 已提交
1400 1401 1402

	if (!size) {
		dbg_hid("empty report\n");
1403 1404
		ret = -1;
		goto unlock;
J
Jiri Slaby 已提交
1405 1406
	}

1407
	/* Avoid unnecessary overhead if debugfs is disabled */
1408 1409
	if (!list_empty(&hid->debug_list))
		hid_dump_report(hid, type, data, size);
J
Jiri Slaby 已提交
1410

1411 1412
	report = hid_get_report(report_enum, data);

1413 1414 1415 1416
	if (!report) {
		ret = -1;
		goto unlock;
	}
J
Jiri Slaby 已提交
1417 1418 1419

	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
		ret = hdrv->raw_event(hid, report, data, size);
1420
		if (ret < 0)
1421
			goto unlock;
J
Jiri Slaby 已提交
1422 1423
	}

1424
	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1425

1426
unlock:
1427
	up(&hid->driver_input_lock);
1428
	return ret;
1429 1430 1431
}
EXPORT_SYMBOL_GPL(hid_input_report);

1432 1433 1434
static bool hid_match_one_id(struct hid_device *hdev,
		const struct hid_device_id *id)
{
1435
	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1436
		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1437 1438 1439 1440
		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
		(id->product == HID_ANY_ID || id->product == hdev->product);
}

1441
const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1442 1443 1444 1445 1446 1447 1448 1449 1450 1451
		const struct hid_device_id *id)
{
	for (; id->bus; id++)
		if (hid_match_one_id(hdev, id))
			return id;

	return NULL;
}

static const struct hid_device_id hid_hiddev_list[] = {
1452 1453
	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1454 1455 1456 1457 1458 1459 1460 1461
	{ }
};

static bool hid_hiddev(struct hid_device *hdev)
{
	return !!hid_match_id(hdev, hid_hiddev_list);
}

1462 1463 1464 1465 1466 1467 1468 1469 1470 1471 1472 1473 1474 1475 1476 1477 1478 1479 1480 1481 1482 1483 1484 1485 1486 1487

static ssize_t
read_report_descriptor(struct file *filp, struct kobject *kobj,
		struct bin_attribute *attr,
		char *buf, loff_t off, size_t count)
{
	struct device *dev = container_of(kobj, struct device, kobj);
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);

	if (off >= hdev->rsize)
		return 0;

	if (off + count > hdev->rsize)
		count = hdev->rsize - off;

	memcpy(buf, hdev->rdesc + off, count);

	return count;
}

static struct bin_attribute dev_bin_attr_report_desc = {
	.attr = { .name = "report_descriptor", .mode = 0444 },
	.read = read_report_descriptor,
	.size = HID_MAX_DESCRIPTOR_SIZE,
};

J
Jiri Slaby 已提交
1488 1489 1490 1491 1492 1493 1494 1495 1496 1497
int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
{
	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
		"Joystick", "Gamepad", "Keyboard", "Keypad",
		"Multi-Axis Controller"
	};
	const char *type, *bus;
	char buf[64];
	unsigned int i;
	int len;
1498
	int ret;
J
Jiri Slaby 已提交
1499

1500 1501
	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
D
Daniel Mack 已提交
1502 1503
	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
J
Jiri Slaby 已提交
1504 1505
	if (hdev->bus != BUS_USB)
		connect_mask &= ~HID_CONNECT_HIDDEV;
1506 1507
	if (hid_hiddev(hdev))
		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
J
Jiri Slaby 已提交
1508 1509 1510 1511

	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
		hdev->claimed |= HID_CLAIMED_INPUT;
1512

J
Jiri Slaby 已提交
1513 1514 1515 1516 1517 1518 1519
	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
			!hdev->hiddev_connect(hdev,
				connect_mask & HID_CONNECT_HIDDEV_FORCE))
		hdev->claimed |= HID_CLAIMED_HIDDEV;
	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
		hdev->claimed |= HID_CLAIMED_HIDRAW;

1520 1521 1522 1523
	/* Drivers with the ->raw_event callback set are not required to connect
	 * to any other listener. */
	if (!hdev->claimed && !hdev->driver->raw_event) {
		hid_err(hdev, "device has no listeners, quitting\n");
J
Jiri Slaby 已提交
1524 1525 1526 1527 1528 1529 1530 1531 1532 1533 1534 1535 1536 1537 1538 1539 1540 1541 1542 1543 1544 1545 1546 1547 1548 1549 1550 1551 1552 1553 1554 1555 1556 1557 1558 1559 1560 1561 1562
		return -ENODEV;
	}

	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
		hdev->ff_init(hdev);

	len = 0;
	if (hdev->claimed & HID_CLAIMED_INPUT)
		len += sprintf(buf + len, "input");
	if (hdev->claimed & HID_CLAIMED_HIDDEV)
		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
				hdev->minor);
	if (hdev->claimed & HID_CLAIMED_HIDRAW)
		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
				((struct hidraw *)hdev->hidraw)->minor);

	type = "Device";
	for (i = 0; i < hdev->maxcollection; i++) {
		struct hid_collection *col = &hdev->collection[i];
		if (col->type == HID_COLLECTION_APPLICATION &&
		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
			type = types[col->usage & 0xffff];
			break;
		}
	}

	switch (hdev->bus) {
	case BUS_USB:
		bus = "USB";
		break;
	case BUS_BLUETOOTH:
		bus = "BLUETOOTH";
		break;
	default:
		bus = "<UNKNOWN>";
	}

1563 1564 1565 1566 1567
	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
	if (ret)
		hid_warn(hdev,
			 "can't create sysfs report descriptor attribute err: %d\n", ret);

1568 1569 1570
	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
		 type, hdev->name, hdev->phys);
J
Jiri Slaby 已提交
1571 1572 1573 1574 1575

	return 0;
}
EXPORT_SYMBOL_GPL(hid_connect);

1576 1577
void hid_disconnect(struct hid_device *hdev)
{
1578
	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1579 1580 1581 1582 1583 1584 1585 1586 1587
	if (hdev->claimed & HID_CLAIMED_INPUT)
		hidinput_disconnect(hdev);
	if (hdev->claimed & HID_CLAIMED_HIDDEV)
		hdev->hiddev_disconnect(hdev);
	if (hdev->claimed & HID_CLAIMED_HIDRAW)
		hidraw_disconnect(hdev);
}
EXPORT_SYMBOL_GPL(hid_disconnect);

1588 1589 1590 1591 1592 1593 1594
/*
 * A list of devices for which there is a specialized driver on HID bus.
 *
 * Please note that for multitouch devices (driven by hid-multitouch driver),
 * there is a proper autodetection and autoloading in place (based on presence
 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
 * as we are doing the right thing in hid_scan_usage().
1595 1596 1597 1598
 *
 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
 * used as a driver. See hid_scan_report().
1599
 */
1600
static const struct hid_device_id hid_have_special_driver[] = {
J
Jiri Slaby 已提交
1601 1602
	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1603
	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1604
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
J
Jiri Slaby 已提交
1605
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1606
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1607
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
J
Jiri Slaby 已提交
1608 1609 1610 1611 1612 1613 1614 1615 1616 1617 1618
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1619 1620 1621
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
J
Jiri Slaby 已提交
1622 1623 1624 1625 1626 1627
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1628 1629 1630 1631 1632
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1633 1634 1635
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
J
Jiri Slaby 已提交
1636 1637 1638 1639 1640 1641
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1642 1643 1644
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1645 1646 1647 1648 1649 1650
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1651 1652 1653
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1654 1655 1656
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1657 1658 1659
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1660 1661 1662
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1663 1664 1665
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1666 1667 1668
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1669 1670 1671
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1672 1673 1674
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1675 1676 1677
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1678
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1679
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
J
Jiri Slaby 已提交
1680 1681
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1682
	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
J
Jiri Slaby 已提交
1683
	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1684
	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1685
	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
J
Jiri Slaby 已提交
1686
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1687
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
J
Jiri Slaby 已提交
1688
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1689
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1690
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1691
	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
D
Don Prince 已提交
1692
	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
J
Jiri Slaby 已提交
1693 1694
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1695
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1696
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
J
Jiri Slaby 已提交
1697
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1698
	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1699
	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1700
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
J
Jiri Slaby 已提交
1701 1702
	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1703
	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
J
Jiri Slaby 已提交
1704
	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1705
	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1706
	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1707
	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1708
	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
J
Jiri Slaby 已提交
1709
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1710
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1711
	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1712
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1713
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1714 1715
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1716
	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) },
1717
	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
B
Bastien Nocera 已提交
1718
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1719
	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1720
	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1721
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1722
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1723
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1724 1725 1726
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
J
Jiri Slaby 已提交
1727
	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1728
	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1729 1730 1731
#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
#endif
J
Jiri Slaby 已提交
1732 1733 1734 1735
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1736
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
J
Jiri Slaby 已提交
1737 1738 1739 1740 1741 1742 1743
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1744
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
J
Jiri Slaby 已提交
1745 1746 1747
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1748
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
J
Jiri Slaby 已提交
1749
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1750
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
J
Jiri Slaby 已提交
1751 1752
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1753
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1754
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1755
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1756
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1757
#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1758 1759
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1760
#endif
1761
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
J
Jiri Slaby 已提交
1762
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1763 1764
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1765 1766
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1767
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
J
Jiri Slaby 已提交
1768 1769
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1770
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
J
Jiri Slaby 已提交
1771 1772
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1773
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
J
Jiri Slaby 已提交
1774
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
J
Jiri Slaby 已提交
1775
	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
R
Rafi Rubin 已提交
1776
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1777 1778 1779 1780 1781 1782 1783 1784 1785 1786 1787 1788 1789 1790 1791 1792 1793 1794
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1795
	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1796
	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
J
Jiri Slaby 已提交
1797
	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1798
	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1799
#if IS_ENABLED(CONFIG_HID_ROCCAT)
1800
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1801
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1802
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1803
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1804
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1805
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1806
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1807
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1808
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1809
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1810
	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1811
#endif
1812
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
J
Jiri Slaby 已提交
1813
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1814
	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1815
	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1816 1817
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1818
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
J
Jiri Slaby 已提交
1819
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1820
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1821
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1822
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1823
	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1824
	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
J
Jiri Slaby 已提交
1825
	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1826
	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1827 1828
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1829 1830
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1831
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1832
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1833
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1834
	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1835
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1836
	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1837
	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1838
	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1839
	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1840
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1841 1842 1843
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1844
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1845
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1846
	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1847
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1848
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1849
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1850 1851 1852
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1853
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1854
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1855
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1856
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1857
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1858
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1859
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1860
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1861
	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
1862
	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1863
	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
1864 1865
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
D
Don Prince 已提交
1866
	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
J
Jiri Slaby 已提交
1867

J
Jiri Slaby 已提交
1868
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1869
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1870
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
J
Jiri Slaby 已提交
1871 1872 1873
	{ }
};

J
Jiri Slaby 已提交
1874 1875 1876 1877 1878 1879 1880 1881 1882 1883 1884 1885 1886 1887 1888 1889 1890 1891 1892 1893 1894 1895 1896 1897 1898 1899 1900 1901 1902 1903 1904 1905 1906
struct hid_dynid {
	struct list_head list;
	struct hid_device_id id;
};

/**
 * store_new_id - add a new HID device ID to this driver and re-probe devices
 * @driver: target device driver
 * @buf: buffer for scanning device ID data
 * @count: input size
 *
 * Adds a new dynamic hid device ID to this driver,
 * and causes the driver to probe for all devices again.
 */
static ssize_t store_new_id(struct device_driver *drv, const char *buf,
		size_t count)
{
	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
	struct hid_dynid *dynid;
	__u32 bus, vendor, product;
	unsigned long driver_data = 0;
	int ret;

	ret = sscanf(buf, "%x %x %x %lx",
			&bus, &vendor, &product, &driver_data);
	if (ret < 3)
		return -EINVAL;

	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
	if (!dynid)
		return -ENOMEM;

	dynid->id.bus = bus;
1907
	dynid->id.group = HID_GROUP_ANY;
J
Jiri Slaby 已提交
1908 1909 1910 1911 1912 1913 1914 1915
	dynid->id.vendor = vendor;
	dynid->id.product = product;
	dynid->id.driver_data = driver_data;

	spin_lock(&hdrv->dyn_lock);
	list_add_tail(&dynid->list, &hdrv->dyn_list);
	spin_unlock(&hdrv->dyn_lock);

1916
	ret = driver_attach(&hdrv->driver);
J
Jiri Slaby 已提交
1917 1918 1919 1920 1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 1939 1940 1941 1942 1943 1944 1945 1946 1947 1948 1949 1950

	return ret ? : count;
}
static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);

static void hid_free_dynids(struct hid_driver *hdrv)
{
	struct hid_dynid *dynid, *n;

	spin_lock(&hdrv->dyn_lock);
	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
		list_del(&dynid->list);
		kfree(dynid);
	}
	spin_unlock(&hdrv->dyn_lock);
}

static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
		struct hid_driver *hdrv)
{
	struct hid_dynid *dynid;

	spin_lock(&hdrv->dyn_lock);
	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
		if (hid_match_one_id(hdev, &dynid->id)) {
			spin_unlock(&hdrv->dyn_lock);
			return &dynid->id;
		}
	}
	spin_unlock(&hdrv->dyn_lock);

	return hid_match_id(hdev, hdrv->id_table);
}

J
Jiri Slaby 已提交
1951 1952 1953 1954 1955
static int hid_bus_match(struct device *dev, struct device_driver *drv)
{
	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);

1956
	return hid_match_device(hdev, hdrv) != NULL;
J
Jiri Slaby 已提交
1957 1958 1959 1960 1961 1962 1963 1964 1965 1966
}

static int hid_device_probe(struct device *dev)
{
	struct hid_driver *hdrv = container_of(dev->driver,
			struct hid_driver, driver);
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
	const struct hid_device_id *id;
	int ret = 0;

1967 1968
	if (down_interruptible(&hdev->driver_lock))
		return -EINTR;
1969 1970 1971 1972 1973
	if (down_interruptible(&hdev->driver_input_lock)) {
		ret = -EINTR;
		goto unlock_driver_lock;
	}
	hdev->io_started = false;
1974

J
Jiri Slaby 已提交
1975
	if (!hdev->driver) {
J
Jiri Slaby 已提交
1976
		id = hid_match_device(hdev, hdrv);
1977
		if (id == NULL) {
1978 1979
			ret = -ENODEV;
			goto unlock;
1980
		}
J
Jiri Slaby 已提交
1981

J
Jiri Slaby 已提交
1982 1983 1984 1985
		hdev->driver = hdrv;
		if (hdrv->probe) {
			ret = hdrv->probe(hdev, id);
		} else { /* default probe */
1986
			ret = hid_open_report(hdev);
J
Jiri Slaby 已提交
1987
			if (!ret)
J
Jiri Slaby 已提交
1988
				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
J
Jiri Slaby 已提交
1989
		}
1990 1991
		if (ret) {
			hid_close_report(hdev);
J
Jiri Slaby 已提交
1992
			hdev->driver = NULL;
1993
		}
J
Jiri Slaby 已提交
1994
	}
1995
unlock:
1996 1997 1998
	if (!hdev->io_started)
		up(&hdev->driver_input_lock);
unlock_driver_lock:
1999
	up(&hdev->driver_lock);
J
Jiri Slaby 已提交
2000 2001 2002 2003 2004 2005
	return ret;
}

static int hid_device_remove(struct device *dev)
{
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2006
	struct hid_driver *hdrv;
2007
	int ret = 0;
2008 2009 2010

	if (down_interruptible(&hdev->driver_lock))
		return -EINTR;
2011 2012 2013 2014 2015
	if (down_interruptible(&hdev->driver_input_lock)) {
		ret = -EINTR;
		goto unlock_driver_lock;
	}
	hdev->io_started = false;
J
Jiri Slaby 已提交
2016

2017
	hdrv = hdev->driver;
J
Jiri Slaby 已提交
2018 2019 2020
	if (hdrv) {
		if (hdrv->remove)
			hdrv->remove(hdev);
J
Jiri Slaby 已提交
2021 2022
		else /* default remove */
			hid_hw_stop(hdev);
2023
		hid_close_report(hdev);
J
Jiri Slaby 已提交
2024 2025 2026
		hdev->driver = NULL;
	}

2027 2028 2029
	if (!hdev->io_started)
		up(&hdev->driver_input_lock);
unlock_driver_lock:
2030
	up(&hdev->driver_lock);
2031
	return ret;
J
Jiri Slaby 已提交
2032 2033
}

2034 2035 2036 2037 2038 2039 2040 2041 2042 2043 2044
static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
			     char *buf)
{
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
	int len;

	len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
		       hdev->bus, hdev->group, hdev->vendor, hdev->product);

	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
}
2045
static DEVICE_ATTR_RO(modalias);
2046

2047 2048 2049
static struct attribute *hid_dev_attrs[] = {
	&dev_attr_modalias.attr,
	NULL,
2050
};
2051
ATTRIBUTE_GROUPS(hid_dev);
2052

J
Jiri Slaby 已提交
2053 2054 2055 2056 2057 2058 2059 2060 2061 2062 2063 2064 2065 2066 2067 2068 2069
static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
{
	struct hid_device *hdev = container_of(dev, struct hid_device, dev);

	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
			hdev->bus, hdev->vendor, hdev->product))
		return -ENOMEM;

	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
		return -ENOMEM;

	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
		return -ENOMEM;

	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
		return -ENOMEM;

2070 2071
	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
J
Jiri Slaby 已提交
2072 2073 2074 2075 2076 2077 2078
		return -ENOMEM;

	return 0;
}

static struct bus_type hid_bus_type = {
	.name		= "hid",
2079
	.dev_groups	= hid_dev_groups,
J
Jiri Slaby 已提交
2080 2081 2082 2083 2084 2085
	.match		= hid_bus_match,
	.probe		= hid_device_probe,
	.remove		= hid_device_remove,
	.uevent		= hid_uevent,
};

2086
/* a list of devices that shouldn't be handled by HID core at all */
J
Jiri Slaby 已提交
2087 2088 2089 2090 2091 2092 2093 2094 2095 2096 2097 2098 2099
static const struct hid_device_id hid_ignore_list[] = {
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2100 2101
	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
A
Alexey Klimov 已提交
2102
	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2103
	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
J
Jiri Slaby 已提交
2104 2105 2106 2107 2108 2109
	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2110
	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
J
Jiri Slaby 已提交
2111 2112
	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2113
	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2114
	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
J
Jiri Slaby 已提交
2115
	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2116
	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2117
	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2118
	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
J
Jiri Slaby 已提交
2119 2120 2121 2122 2123 2124 2125 2126 2127 2128 2129 2130 2131 2132 2133 2134
	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2135
	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
J
Jiri Slaby 已提交
2136 2137 2138 2139 2140 2141 2142 2143 2144 2145 2146 2147 2148 2149 2150 2151 2152 2153 2154 2155 2156 2157 2158 2159 2160 2161 2162 2163 2164 2165 2166 2167 2168 2169 2170 2171 2172 2173 2174 2175 2176 2177 2178 2179 2180 2181 2182
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2183 2184
	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
J
Jiri Slaby 已提交
2185
	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2186
	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
J
Jiri Slaby 已提交
2187
	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2188
	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
J
Jiri Slaby 已提交
2189
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2190
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
J
Jiri Slaby 已提交
2191
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2192
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
J
Jiri Slaby 已提交
2193
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2194 2195 2196 2197 2198 2199
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
J
Jiri Slaby 已提交
2200 2201 2202
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2203 2204 2205
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
J
Jiri Slaby 已提交
2206 2207
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2208
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
J
Jiri Slaby 已提交
2209 2210 2211 2212 2213
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2214 2215 2216 2217 2218 2219 2220
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2221
	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
J
Jiri Slaby 已提交
2222 2223 2224 2225 2226 2227 2228 2229 2230 2231 2232 2233 2234 2235 2236 2237 2238 2239 2240
	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2241
	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2242
	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2243 2244 2245 2246 2247 2248 2249 2250 2251 2252
#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
#endif
J
Jiri Slaby 已提交
2253 2254 2255 2256 2257 2258 2259 2260 2261 2262 2263 2264 2265
	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
	{ }
};

2266 2267 2268 2269 2270 2271 2272 2273 2274 2275 2276 2277 2278 2279 2280 2281 2282 2283 2284 2285 2286 2287 2288 2289 2290 2291 2292 2293 2294
/**
 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
 *
 * There are composite devices for which we want to ignore only a certain
 * interface. This is a list of devices for which only the mouse interface will
 * be ignored. This allows a dedicated driver to take care of the interface.
 */
static const struct hid_device_id hid_mouse_ignore_list[] = {
	/* appletouch driver */
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2295 2296 2297
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2298 2299 2300 2301 2302 2303
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2304 2305 2306
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2307 2308 2309
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2310 2311 2312 2313 2314 2315
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2316 2317 2318
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2319 2320 2321
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2322 2323 2324
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2325 2326 2327 2328 2329
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
	{ }
};

2330
bool hid_ignore(struct hid_device *hdev)
J
Jiri Slaby 已提交
2331
{
2332 2333 2334 2335 2336
	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
		return false;
	if (hdev->quirks & HID_QUIRK_IGNORE)
		return true;

J
Jiri Slaby 已提交
2337 2338 2339 2340 2341 2342 2343 2344 2345 2346 2347
	switch (hdev->vendor) {
	case USB_VENDOR_ID_CODEMERCS:
		/* ignore all Code Mercenaries IOWarrior devices */
		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
			return true;
		break;
	case USB_VENDOR_ID_LOGITECH:
		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
			return true;
2348 2349 2350 2351 2352 2353 2354 2355 2356 2357
		/*
		 * The Keene FM transmitter USB device has the same USB ID as
		 * the Logitech AudioHub Speaker, but it should ignore the hid.
		 * Check if the name is that of the Keene device.
		 * For reference: the name of the AudioHub is
		 * "HOLTEK  AudioHub Speaker".
		 */
		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
				return true;
J
Jiri Slaby 已提交
2358
		break;
2359 2360 2361 2362 2363
	case USB_VENDOR_ID_SOUNDGRAPH:
		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
			return true;
		break;
2364 2365 2366 2367 2368
	case USB_VENDOR_ID_HANWANG:
		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
			return true;
		break;
2369 2370 2371 2372
	case USB_VENDOR_ID_JESS:
		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
				hdev->type == HID_TYPE_USBNONE)
			return true;
2373
		break;
2374 2375 2376 2377 2378 2379 2380 2381
	case USB_VENDOR_ID_VELLEMAN:
		/* These are not HID devices.  They are handled by comedi. */
		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
			return true;
		break;
2382 2383 2384 2385 2386 2387 2388 2389 2390 2391 2392 2393
	case USB_VENDOR_ID_ATMEL_V_USB:
		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
		 * it has the same USB ID as many Atmel V-USB devices. This
		 * usb radio is handled by radio-ma901.c driver so we want
		 * ignore the hid. Check the name, bus, product and ignore
		 * if we have MA901 usb radio.
		 */
		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
			hdev->bus == BUS_USB &&
			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
			return true;
		break;
J
Jiri Slaby 已提交
2394 2395
	}

2396 2397 2398 2399
	if (hdev->type == HID_TYPE_USBMOUSE &&
			hid_match_id(hdev, hid_mouse_ignore_list))
		return true;

J
Jiri Slaby 已提交
2400 2401
	return !!hid_match_id(hdev, hid_ignore_list);
}
2402
EXPORT_SYMBOL_GPL(hid_ignore);
J
Jiri Slaby 已提交
2403

J
Jiri Slaby 已提交
2404 2405 2406 2407 2408 2409 2410 2411
int hid_add_device(struct hid_device *hdev)
{
	static atomic_t id = ATOMIC_INIT(0);
	int ret;

	if (WARN_ON(hdev->status & HID_STAT_ADDED))
		return -EBUSY;

J
Jiri Slaby 已提交
2412 2413
	/* we need to kill them here, otherwise they will stay allocated to
	 * wait for coming driver */
2414
	if (hid_ignore(hdev))
J
Jiri Slaby 已提交
2415 2416
		return -ENODEV;

2417 2418 2419 2420 2421 2422 2423 2424 2425 2426
	/*
	 * Read the device report descriptor once and use as template
	 * for the driver-specific modifications.
	 */
	ret = hdev->ll_driver->parse(hdev);
	if (ret)
		return ret;
	if (!hdev->dev_rdesc)
		return -ENODEV;

2427 2428 2429 2430 2431 2432 2433 2434 2435 2436
	/*
	 * Scan generic devices for group information
	 */
	if (hid_ignore_special_drivers ||
	    !hid_match_id(hdev, hid_have_special_driver)) {
		ret = hid_scan_report(hdev);
		if (ret)
			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
	}

2437 2438 2439 2440
	/* XXX hack, any other cleaner solution after the driver core
	 * is converted to allow more than 20 bytes as the device name? */
	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
		     hdev->vendor, hdev->product, atomic_inc_return(&id));
J
Jiri Slaby 已提交
2441

2442
	hid_debug_register(hdev, dev_name(&hdev->dev));
J
Jiri Slaby 已提交
2443 2444 2445
	ret = device_add(&hdev->dev);
	if (!ret)
		hdev->status |= HID_STAT_ADDED;
2446 2447
	else
		hid_debug_unregister(hdev);
2448

J
Jiri Slaby 已提交
2449 2450 2451 2452 2453 2454 2455 2456 2457 2458 2459 2460 2461 2462 2463 2464 2465 2466 2467 2468 2469 2470 2471 2472 2473 2474
	return ret;
}
EXPORT_SYMBOL_GPL(hid_add_device);

/**
 * hid_allocate_device - allocate new hid device descriptor
 *
 * Allocate and initialize hid device, so that hid_destroy_device might be
 * used to free it.
 *
 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
 * error value.
 */
struct hid_device *hid_allocate_device(void)
{
	struct hid_device *hdev;
	int ret = -ENOMEM;

	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
	if (hdev == NULL)
		return ERR_PTR(ret);

	device_initialize(&hdev->dev);
	hdev->dev.release = hid_device_release;
	hdev->dev.bus = &hid_bus_type;

2475
	hid_close_report(hdev);
J
Jiri Slaby 已提交
2476

2477 2478
	init_waitqueue_head(&hdev->debug_wait);
	INIT_LIST_HEAD(&hdev->debug_list);
2479
	spin_lock_init(&hdev->debug_list_lock);
2480
	sema_init(&hdev->driver_lock, 1);
2481
	sema_init(&hdev->driver_input_lock, 1);
2482

J
Jiri Slaby 已提交
2483 2484 2485 2486 2487 2488 2489 2490
	return hdev;
}
EXPORT_SYMBOL_GPL(hid_allocate_device);

static void hid_remove_device(struct hid_device *hdev)
{
	if (hdev->status & HID_STAT_ADDED) {
		device_del(&hdev->dev);
2491
		hid_debug_unregister(hdev);
J
Jiri Slaby 已提交
2492 2493
		hdev->status &= ~HID_STAT_ADDED;
	}
2494 2495 2496
	kfree(hdev->dev_rdesc);
	hdev->dev_rdesc = NULL;
	hdev->dev_rsize = 0;
J
Jiri Slaby 已提交
2497 2498 2499 2500 2501 2502 2503 2504 2505 2506 2507 2508 2509 2510 2511 2512 2513 2514 2515 2516
}

/**
 * hid_destroy_device - free previously allocated device
 *
 * @hdev: hid device
 *
 * If you allocate hid_device through hid_allocate_device, you should ever
 * free by this function.
 */
void hid_destroy_device(struct hid_device *hdev)
{
	hid_remove_device(hdev);
	put_device(&hdev->dev);
}
EXPORT_SYMBOL_GPL(hid_destroy_device);

int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
		const char *mod_name)
{
J
Jiri Slaby 已提交
2517 2518
	int ret;

J
Jiri Slaby 已提交
2519 2520 2521 2522 2523
	hdrv->driver.name = hdrv->name;
	hdrv->driver.bus = &hid_bus_type;
	hdrv->driver.owner = owner;
	hdrv->driver.mod_name = mod_name;

J
Jiri Slaby 已提交
2524 2525 2526 2527 2528 2529 2530 2531 2532 2533 2534 2535
	INIT_LIST_HEAD(&hdrv->dyn_list);
	spin_lock_init(&hdrv->dyn_lock);

	ret = driver_register(&hdrv->driver);
	if (ret)
		return ret;

	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
	if (ret)
		driver_unregister(&hdrv->driver);

	return ret;
J
Jiri Slaby 已提交
2536 2537 2538 2539 2540
}
EXPORT_SYMBOL_GPL(__hid_register_driver);

void hid_unregister_driver(struct hid_driver *hdrv)
{
J
Jiri Slaby 已提交
2541
	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
J
Jiri Slaby 已提交
2542
	driver_unregister(&hdrv->driver);
J
Jiri Slaby 已提交
2543
	hid_free_dynids(hdrv);
J
Jiri Slaby 已提交
2544 2545 2546
}
EXPORT_SYMBOL_GPL(hid_unregister_driver);

2547 2548 2549 2550 2551
int hid_check_keys_pressed(struct hid_device *hid)
{
	struct hid_input *hidinput;
	int i;

2552 2553 2554
	if (!(hid->claimed & HID_CLAIMED_INPUT))
		return 0;

2555 2556 2557 2558 2559 2560 2561 2562 2563 2564 2565
	list_for_each_entry(hidinput, &hid->inputs, list) {
		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
			if (hidinput->input->key[i])
				return 1;
	}

	return 0;
}

EXPORT_SYMBOL_GPL(hid_check_keys_pressed);

J
Jiri Kosina 已提交
2566 2567
static int __init hid_init(void)
{
J
Jiri Slaby 已提交
2568 2569
	int ret;

2570
	if (hid_debug)
2571 2572
		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2573

J
Jiri Slaby 已提交
2574 2575
	ret = bus_register(&hid_bus_type);
	if (ret) {
2576
		pr_err("can't register hid bus\n");
J
Jiri Slaby 已提交
2577 2578 2579 2580 2581 2582 2583
		goto err;
	}

	ret = hidraw_init();
	if (ret)
		goto err_bus;

2584 2585
	hid_debug_init();

J
Jiri Slaby 已提交
2586 2587 2588 2589 2590
	return 0;
err_bus:
	bus_unregister(&hid_bus_type);
err:
	return ret;
J
Jiri Kosina 已提交
2591 2592 2593 2594
}

static void __exit hid_exit(void)
{
2595
	hid_debug_exit();
J
Jiri Kosina 已提交
2596
	hidraw_exit();
J
Jiri Slaby 已提交
2597
	bus_unregister(&hid_bus_type);
J
Jiri Kosina 已提交
2598 2599 2600 2601 2602
}

module_init(hid_init);
module_exit(hid_exit);

2603 2604 2605
MODULE_AUTHOR("Andreas Gal");
MODULE_AUTHOR("Vojtech Pavlik");
MODULE_AUTHOR("Jiri Kosina");
J
Jiri Kosina 已提交
2606 2607
MODULE_LICENSE(DRIVER_LICENSE);