hid-core.c revision 68fd32b8228a62ca7f46ed64da8267daad29480b
1/*
2 *  HID support for Linux
3 *
4 *  Copyright (c) 1999 Andreas Gal
5 *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 *  Copyright (c) 2006-2012 Jiri Kosina
8 */
9
10/*
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
14 * any later version.
15 */
16
17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
19#include <linux/module.h>
20#include <linux/slab.h>
21#include <linux/init.h>
22#include <linux/kernel.h>
23#include <linux/list.h>
24#include <linux/mm.h>
25#include <linux/spinlock.h>
26#include <asm/unaligned.h>
27#include <asm/byteorder.h>
28#include <linux/input.h>
29#include <linux/wait.h>
30#include <linux/vmalloc.h>
31#include <linux/sched.h>
32#include <linux/semaphore.h>
33
34#include <linux/hid.h>
35#include <linux/hiddev.h>
36#include <linux/hid-debug.h>
37#include <linux/hidraw.h>
38
39#include "hid-ids.h"
40
41/*
42 * Version Information
43 */
44
45#define DRIVER_DESC "HID core driver"
46#define DRIVER_LICENSE "GPL"
47
48int hid_debug = 0;
49module_param_named(debug, hid_debug, int, 0600);
50MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51EXPORT_SYMBOL_GPL(hid_debug);
52
53static int hid_ignore_special_drivers = 0;
54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver");
56
57/*
58 * Register a new report for a device.
59 */
60
61struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
62{
63	struct hid_report_enum *report_enum = device->report_enum + type;
64	struct hid_report *report;
65
66	if (report_enum->report_id_hash[id])
67		return report_enum->report_id_hash[id];
68
69	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
70	if (!report)
71		return NULL;
72
73	if (id != 0)
74		report_enum->numbered = 1;
75
76	report->id = id;
77	report->type = type;
78	report->size = 0;
79	report->device = device;
80	report_enum->report_id_hash[id] = report;
81
82	list_add_tail(&report->list, &report_enum->report_list);
83
84	return report;
85}
86EXPORT_SYMBOL_GPL(hid_register_report);
87
88/*
89 * Register a new field for this report.
90 */
91
92static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
93{
94	struct hid_field *field;
95
96	if (report->maxfield == HID_MAX_FIELDS) {
97		hid_err(report->device, "too many fields in report\n");
98		return NULL;
99	}
100
101	field = kzalloc((sizeof(struct hid_field) +
102			 usages * sizeof(struct hid_usage) +
103			 values * sizeof(unsigned)), GFP_KERNEL);
104	if (!field)
105		return NULL;
106
107	field->index = report->maxfield++;
108	report->field[field->index] = field;
109	field->usage = (struct hid_usage *)(field + 1);
110	field->value = (s32 *)(field->usage + usages);
111	field->report = report;
112
113	return field;
114}
115
116/*
117 * Open a collection. The type/usage is pushed on the stack.
118 */
119
120static int open_collection(struct hid_parser *parser, unsigned type)
121{
122	struct hid_collection *collection;
123	unsigned usage;
124
125	usage = parser->local.usage[0];
126
127	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
128		hid_err(parser->device, "collection stack overflow\n");
129		return -EINVAL;
130	}
131
132	if (parser->device->maxcollection == parser->device->collection_size) {
133		collection = kmalloc(sizeof(struct hid_collection) *
134				parser->device->collection_size * 2, GFP_KERNEL);
135		if (collection == NULL) {
136			hid_err(parser->device, "failed to reallocate collection array\n");
137			return -ENOMEM;
138		}
139		memcpy(collection, parser->device->collection,
140			sizeof(struct hid_collection) *
141			parser->device->collection_size);
142		memset(collection + parser->device->collection_size, 0,
143			sizeof(struct hid_collection) *
144			parser->device->collection_size);
145		kfree(parser->device->collection);
146		parser->device->collection = collection;
147		parser->device->collection_size *= 2;
148	}
149
150	parser->collection_stack[parser->collection_stack_ptr++] =
151		parser->device->maxcollection;
152
153	collection = parser->device->collection +
154		parser->device->maxcollection++;
155	collection->type = type;
156	collection->usage = usage;
157	collection->level = parser->collection_stack_ptr - 1;
158
159	if (type == HID_COLLECTION_APPLICATION)
160		parser->device->maxapplication++;
161
162	return 0;
163}
164
165/*
166 * Close a collection.
167 */
168
169static int close_collection(struct hid_parser *parser)
170{
171	if (!parser->collection_stack_ptr) {
172		hid_err(parser->device, "collection stack underflow\n");
173		return -EINVAL;
174	}
175	parser->collection_stack_ptr--;
176	return 0;
177}
178
179/*
180 * Climb up the stack, search for the specified collection type
181 * and return the usage.
182 */
183
184static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
185{
186	struct hid_collection *collection = parser->device->collection;
187	int n;
188
189	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
190		unsigned index = parser->collection_stack[n];
191		if (collection[index].type == type)
192			return collection[index].usage;
193	}
194	return 0; /* we know nothing about this usage type */
195}
196
197/*
198 * Add a usage to the temporary parser table.
199 */
200
201static int hid_add_usage(struct hid_parser *parser, unsigned usage)
202{
203	if (parser->local.usage_index >= HID_MAX_USAGES) {
204		hid_err(parser->device, "usage index exceeded\n");
205		return -1;
206	}
207	parser->local.usage[parser->local.usage_index] = usage;
208	parser->local.collection_index[parser->local.usage_index] =
209		parser->collection_stack_ptr ?
210		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
211	parser->local.usage_index++;
212	return 0;
213}
214
215/*
216 * Register a new field for this report.
217 */
218
219static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
220{
221	struct hid_report *report;
222	struct hid_field *field;
223	int usages;
224	unsigned offset;
225	int i;
226
227	report = hid_register_report(parser->device, report_type, parser->global.report_id);
228	if (!report) {
229		hid_err(parser->device, "hid_register_report failed\n");
230		return -1;
231	}
232
233	/* Handle both signed and unsigned cases properly */
234	if ((parser->global.logical_minimum < 0 &&
235		parser->global.logical_maximum <
236		parser->global.logical_minimum) ||
237		(parser->global.logical_minimum >= 0 &&
238		(__u32)parser->global.logical_maximum <
239		(__u32)parser->global.logical_minimum)) {
240		dbg_hid("logical range invalid 0x%x 0x%x\n",
241			parser->global.logical_minimum,
242			parser->global.logical_maximum);
243		return -1;
244	}
245
246	offset = report->size;
247	report->size += parser->global.report_size * parser->global.report_count;
248
249	if (!parser->local.usage_index) /* Ignore padding fields */
250		return 0;
251
252	usages = max_t(int, parser->local.usage_index, parser->global.report_count);
253
254	field = hid_register_field(report, usages, parser->global.report_count);
255	if (!field)
256		return 0;
257
258	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
259	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
260	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
261
262	for (i = 0; i < usages; i++) {
263		int j = i;
264		/* Duplicate the last usage we parsed if we have excess values */
265		if (i >= parser->local.usage_index)
266			j = parser->local.usage_index - 1;
267		field->usage[i].hid = parser->local.usage[j];
268		field->usage[i].collection_index =
269			parser->local.collection_index[j];
270	}
271
272	field->maxusage = usages;
273	field->flags = flags;
274	field->report_offset = offset;
275	field->report_type = report_type;
276	field->report_size = parser->global.report_size;
277	field->report_count = parser->global.report_count;
278	field->logical_minimum = parser->global.logical_minimum;
279	field->logical_maximum = parser->global.logical_maximum;
280	field->physical_minimum = parser->global.physical_minimum;
281	field->physical_maximum = parser->global.physical_maximum;
282	field->unit_exponent = parser->global.unit_exponent;
283	field->unit = parser->global.unit;
284
285	return 0;
286}
287
288/*
289 * Read data value from item.
290 */
291
292static u32 item_udata(struct hid_item *item)
293{
294	switch (item->size) {
295	case 1: return item->data.u8;
296	case 2: return item->data.u16;
297	case 4: return item->data.u32;
298	}
299	return 0;
300}
301
302static s32 item_sdata(struct hid_item *item)
303{
304	switch (item->size) {
305	case 1: return item->data.s8;
306	case 2: return item->data.s16;
307	case 4: return item->data.s32;
308	}
309	return 0;
310}
311
312/*
313 * Process a global item.
314 */
315
316static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
317{
318	switch (item->tag) {
319	case HID_GLOBAL_ITEM_TAG_PUSH:
320
321		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
322			hid_err(parser->device, "global environment stack overflow\n");
323			return -1;
324		}
325
326		memcpy(parser->global_stack + parser->global_stack_ptr++,
327			&parser->global, sizeof(struct hid_global));
328		return 0;
329
330	case HID_GLOBAL_ITEM_TAG_POP:
331
332		if (!parser->global_stack_ptr) {
333			hid_err(parser->device, "global environment stack underflow\n");
334			return -1;
335		}
336
337		memcpy(&parser->global, parser->global_stack +
338			--parser->global_stack_ptr, sizeof(struct hid_global));
339		return 0;
340
341	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
342		parser->global.usage_page = item_udata(item);
343		return 0;
344
345	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
346		parser->global.logical_minimum = item_sdata(item);
347		return 0;
348
349	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
350		if (parser->global.logical_minimum < 0)
351			parser->global.logical_maximum = item_sdata(item);
352		else
353			parser->global.logical_maximum = item_udata(item);
354		return 0;
355
356	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
357		parser->global.physical_minimum = item_sdata(item);
358		return 0;
359
360	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
361		if (parser->global.physical_minimum < 0)
362			parser->global.physical_maximum = item_sdata(item);
363		else
364			parser->global.physical_maximum = item_udata(item);
365		return 0;
366
367	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
368		parser->global.unit_exponent = item_sdata(item);
369		return 0;
370
371	case HID_GLOBAL_ITEM_TAG_UNIT:
372		parser->global.unit = item_udata(item);
373		return 0;
374
375	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
376		parser->global.report_size = item_udata(item);
377		if (parser->global.report_size > 128) {
378			hid_err(parser->device, "invalid report_size %d\n",
379					parser->global.report_size);
380			return -1;
381		}
382		return 0;
383
384	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
385		parser->global.report_count = item_udata(item);
386		if (parser->global.report_count > HID_MAX_USAGES) {
387			hid_err(parser->device, "invalid report_count %d\n",
388					parser->global.report_count);
389			return -1;
390		}
391		return 0;
392
393	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
394		parser->global.report_id = item_udata(item);
395		if (parser->global.report_id == 0) {
396			hid_err(parser->device, "report_id 0 is invalid\n");
397			return -1;
398		}
399		return 0;
400
401	default:
402		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
403		return -1;
404	}
405}
406
407/*
408 * Process a local item.
409 */
410
411static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
412{
413	__u32 data;
414	unsigned n;
415
416	data = item_udata(item);
417
418	switch (item->tag) {
419	case HID_LOCAL_ITEM_TAG_DELIMITER:
420
421		if (data) {
422			/*
423			 * We treat items before the first delimiter
424			 * as global to all usage sets (branch 0).
425			 * In the moment we process only these global
426			 * items and the first delimiter set.
427			 */
428			if (parser->local.delimiter_depth != 0) {
429				hid_err(parser->device, "nested delimiters\n");
430				return -1;
431			}
432			parser->local.delimiter_depth++;
433			parser->local.delimiter_branch++;
434		} else {
435			if (parser->local.delimiter_depth < 1) {
436				hid_err(parser->device, "bogus close delimiter\n");
437				return -1;
438			}
439			parser->local.delimiter_depth--;
440		}
441		return 1;
442
443	case HID_LOCAL_ITEM_TAG_USAGE:
444
445		if (parser->local.delimiter_branch > 1) {
446			dbg_hid("alternative usage ignored\n");
447			return 0;
448		}
449
450		if (item->size <= 2)
451			data = (parser->global.usage_page << 16) + data;
452
453		return hid_add_usage(parser, data);
454
455	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
456
457		if (parser->local.delimiter_branch > 1) {
458			dbg_hid("alternative usage ignored\n");
459			return 0;
460		}
461
462		if (item->size <= 2)
463			data = (parser->global.usage_page << 16) + data;
464
465		parser->local.usage_minimum = data;
466		return 0;
467
468	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
469
470		if (parser->local.delimiter_branch > 1) {
471			dbg_hid("alternative usage ignored\n");
472			return 0;
473		}
474
475		if (item->size <= 2)
476			data = (parser->global.usage_page << 16) + data;
477
478		for (n = parser->local.usage_minimum; n <= data; n++)
479			if (hid_add_usage(parser, n)) {
480				dbg_hid("hid_add_usage failed\n");
481				return -1;
482			}
483		return 0;
484
485	default:
486
487		dbg_hid("unknown local item tag 0x%x\n", item->tag);
488		return 0;
489	}
490	return 0;
491}
492
493/*
494 * Process a main item.
495 */
496
497static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
498{
499	__u32 data;
500	int ret;
501
502	data = item_udata(item);
503
504	switch (item->tag) {
505	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
506		ret = open_collection(parser, data & 0xff);
507		break;
508	case HID_MAIN_ITEM_TAG_END_COLLECTION:
509		ret = close_collection(parser);
510		break;
511	case HID_MAIN_ITEM_TAG_INPUT:
512		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
513		break;
514	case HID_MAIN_ITEM_TAG_OUTPUT:
515		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
516		break;
517	case HID_MAIN_ITEM_TAG_FEATURE:
518		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
519		break;
520	default:
521		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
522		ret = 0;
523	}
524
525	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
526
527	return ret;
528}
529
530/*
531 * Process a reserved item.
532 */
533
534static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
535{
536	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
537	return 0;
538}
539
540/*
541 * Free a report and all registered fields. The field->usage and
542 * field->value table's are allocated behind the field, so we need
543 * only to free(field) itself.
544 */
545
546static void hid_free_report(struct hid_report *report)
547{
548	unsigned n;
549
550	for (n = 0; n < report->maxfield; n++)
551		kfree(report->field[n]);
552	kfree(report);
553}
554
555/*
556 * Close report. This function returns the device
557 * state to the point prior to hid_open_report().
558 */
559static void hid_close_report(struct hid_device *device)
560{
561	unsigned i, j;
562
563	for (i = 0; i < HID_REPORT_TYPES; i++) {
564		struct hid_report_enum *report_enum = device->report_enum + i;
565
566		for (j = 0; j < 256; j++) {
567			struct hid_report *report = report_enum->report_id_hash[j];
568			if (report)
569				hid_free_report(report);
570		}
571		memset(report_enum, 0, sizeof(*report_enum));
572		INIT_LIST_HEAD(&report_enum->report_list);
573	}
574
575	kfree(device->rdesc);
576	device->rdesc = NULL;
577	device->rsize = 0;
578
579	kfree(device->collection);
580	device->collection = NULL;
581	device->collection_size = 0;
582	device->maxcollection = 0;
583	device->maxapplication = 0;
584
585	device->status &= ~HID_STAT_PARSED;
586}
587
588/*
589 * Free a device structure, all reports, and all fields.
590 */
591
592static void hid_device_release(struct device *dev)
593{
594	struct hid_device *hid = container_of(dev, struct hid_device, dev);
595
596	hid_close_report(hid);
597	kfree(hid->dev_rdesc);
598	kfree(hid);
599}
600
601/*
602 * Fetch a report description item from the data stream. We support long
603 * items, though they are not used yet.
604 */
605
606static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
607{
608	u8 b;
609
610	if ((end - start) <= 0)
611		return NULL;
612
613	b = *start++;
614
615	item->type = (b >> 2) & 3;
616	item->tag  = (b >> 4) & 15;
617
618	if (item->tag == HID_ITEM_TAG_LONG) {
619
620		item->format = HID_ITEM_FORMAT_LONG;
621
622		if ((end - start) < 2)
623			return NULL;
624
625		item->size = *start++;
626		item->tag  = *start++;
627
628		if ((end - start) < item->size)
629			return NULL;
630
631		item->data.longdata = start;
632		start += item->size;
633		return start;
634	}
635
636	item->format = HID_ITEM_FORMAT_SHORT;
637	item->size = b & 3;
638
639	switch (item->size) {
640	case 0:
641		return start;
642
643	case 1:
644		if ((end - start) < 1)
645			return NULL;
646		item->data.u8 = *start++;
647		return start;
648
649	case 2:
650		if ((end - start) < 2)
651			return NULL;
652		item->data.u16 = get_unaligned_le16(start);
653		start = (__u8 *)((__le16 *)start + 1);
654		return start;
655
656	case 3:
657		item->size++;
658		if ((end - start) < 4)
659			return NULL;
660		item->data.u32 = get_unaligned_le32(start);
661		start = (__u8 *)((__le32 *)start + 1);
662		return start;
663	}
664
665	return NULL;
666}
667
668static void hid_scan_usage(struct hid_device *hid, u32 usage)
669{
670	if (usage == HID_DG_CONTACTID)
671		hid->group = HID_GROUP_MULTITOUCH;
672}
673
674/*
675 * Scan a report descriptor before the device is added to the bus.
676 * Sets device groups and other properties that determine what driver
677 * to load.
678 */
679static int hid_scan_report(struct hid_device *hid)
680{
681	unsigned int page = 0, delim = 0;
682	__u8 *start = hid->dev_rdesc;
683	__u8 *end = start + hid->dev_rsize;
684	unsigned int u, u_min = 0, u_max = 0;
685	struct hid_item item;
686
687	hid->group = HID_GROUP_GENERIC;
688	while ((start = fetch_item(start, end, &item)) != NULL) {
689		if (item.format != HID_ITEM_FORMAT_SHORT)
690			return -EINVAL;
691		if (item.type == HID_ITEM_TYPE_GLOBAL) {
692			if (item.tag == HID_GLOBAL_ITEM_TAG_USAGE_PAGE)
693				page = item_udata(&item) << 16;
694		} else if (item.type == HID_ITEM_TYPE_LOCAL) {
695			if (delim > 1)
696				break;
697			u = item_udata(&item);
698			if (item.size <= 2)
699				u += page;
700			switch (item.tag) {
701			case HID_LOCAL_ITEM_TAG_DELIMITER:
702				delim += !!u;
703				break;
704			case HID_LOCAL_ITEM_TAG_USAGE:
705				hid_scan_usage(hid, u);
706				break;
707			case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
708				u_min = u;
709				break;
710			case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
711				u_max = u;
712				for (u = u_min; u <= u_max; u++)
713					hid_scan_usage(hid, u);
714				break;
715			}
716		} else if (page == HID_UP_SENSOR &&
717			item.type == HID_ITEM_TYPE_MAIN &&
718			item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION &&
719			(item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL &&
720			hid->bus == BUS_USB)
721			hid->group = HID_GROUP_SENSOR_HUB;
722	}
723
724	return 0;
725}
726
727/**
728 * hid_parse_report - parse device report
729 *
730 * @device: hid device
731 * @start: report start
732 * @size: report size
733 *
734 * Allocate the device report as read by the bus driver. This function should
735 * only be called from parse() in ll drivers.
736 */
737int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
738{
739	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
740	if (!hid->dev_rdesc)
741		return -ENOMEM;
742	hid->dev_rsize = size;
743	return 0;
744}
745EXPORT_SYMBOL_GPL(hid_parse_report);
746
747/**
748 * hid_open_report - open a driver-specific device report
749 *
750 * @device: hid device
751 *
752 * Parse a report description into a hid_device structure. Reports are
753 * enumerated, fields are attached to these reports.
754 * 0 returned on success, otherwise nonzero error value.
755 *
756 * This function (or the equivalent hid_parse() macro) should only be
757 * called from probe() in drivers, before starting the device.
758 */
759int hid_open_report(struct hid_device *device)
760{
761	struct hid_parser *parser;
762	struct hid_item item;
763	unsigned int size;
764	__u8 *start;
765	__u8 *buf;
766	__u8 *end;
767	int ret;
768	static int (*dispatch_type[])(struct hid_parser *parser,
769				      struct hid_item *item) = {
770		hid_parser_main,
771		hid_parser_global,
772		hid_parser_local,
773		hid_parser_reserved
774	};
775
776	if (WARN_ON(device->status & HID_STAT_PARSED))
777		return -EBUSY;
778
779	start = device->dev_rdesc;
780	if (WARN_ON(!start))
781		return -ENODEV;
782	size = device->dev_rsize;
783
784	buf = kmemdup(start, size, GFP_KERNEL);
785	if (buf == NULL)
786		return -ENOMEM;
787
788	if (device->driver->report_fixup)
789		start = device->driver->report_fixup(device, buf, &size);
790	else
791		start = buf;
792
793	start = kmemdup(start, size, GFP_KERNEL);
794	kfree(buf);
795	if (start == NULL)
796		return -ENOMEM;
797
798	device->rdesc = start;
799	device->rsize = size;
800
801	parser = vzalloc(sizeof(struct hid_parser));
802	if (!parser) {
803		ret = -ENOMEM;
804		goto err;
805	}
806
807	parser->device = device;
808
809	end = start + size;
810
811	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
812				     sizeof(struct hid_collection), GFP_KERNEL);
813	if (!device->collection) {
814		ret = -ENOMEM;
815		goto err;
816	}
817	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
818
819	ret = -EINVAL;
820	while ((start = fetch_item(start, end, &item)) != NULL) {
821
822		if (item.format != HID_ITEM_FORMAT_SHORT) {
823			hid_err(device, "unexpected long global item\n");
824			goto err;
825		}
826
827		if (dispatch_type[item.type](parser, &item)) {
828			hid_err(device, "item %u %u %u %u parsing failed\n",
829				item.format, (unsigned)item.size,
830				(unsigned)item.type, (unsigned)item.tag);
831			goto err;
832		}
833
834		if (start == end) {
835			if (parser->collection_stack_ptr) {
836				hid_err(device, "unbalanced collection at end of report description\n");
837				goto err;
838			}
839			if (parser->local.delimiter_depth) {
840				hid_err(device, "unbalanced delimiter at end of report description\n");
841				goto err;
842			}
843			vfree(parser);
844			device->status |= HID_STAT_PARSED;
845			return 0;
846		}
847	}
848
849	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
850err:
851	vfree(parser);
852	hid_close_report(device);
853	return ret;
854}
855EXPORT_SYMBOL_GPL(hid_open_report);
856
857/*
858 * Convert a signed n-bit integer to signed 32-bit integer. Common
859 * cases are done through the compiler, the screwed things has to be
860 * done by hand.
861 */
862
863static s32 snto32(__u32 value, unsigned n)
864{
865	switch (n) {
866	case 8:  return ((__s8)value);
867	case 16: return ((__s16)value);
868	case 32: return ((__s32)value);
869	}
870	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
871}
872
873/*
874 * Convert a signed 32-bit integer to a signed n-bit integer.
875 */
876
877static u32 s32ton(__s32 value, unsigned n)
878{
879	s32 a = value >> (n - 1);
880	if (a && a != -1)
881		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
882	return value & ((1 << n) - 1);
883}
884
885/*
886 * Extract/implement a data field from/to a little endian report (bit array).
887 *
888 * Code sort-of follows HID spec:
889 *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
890 *
891 * While the USB HID spec allows unlimited length bit fields in "report
892 * descriptors", most devices never use more than 16 bits.
893 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
894 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
895 */
896
897static __u32 extract(const struct hid_device *hid, __u8 *report,
898		     unsigned offset, unsigned n)
899{
900	u64 x;
901
902	if (n > 32)
903		hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
904			 n, current->comm);
905
906	report += offset >> 3;  /* adjust byte index */
907	offset &= 7;            /* now only need bit offset into one byte */
908	x = get_unaligned_le64(report);
909	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
910	return (u32) x;
911}
912
913/*
914 * "implement" : set bits in a little endian bit stream.
915 * Same concepts as "extract" (see comments above).
916 * The data mangled in the bit stream remains in little endian
917 * order the whole time. It make more sense to talk about
918 * endianness of register values by considering a register
919 * a "cached" copy of the little endiad bit stream.
920 */
921static void implement(const struct hid_device *hid, __u8 *report,
922		      unsigned offset, unsigned n, __u32 value)
923{
924	u64 x;
925	u64 m = (1ULL << n) - 1;
926
927	if (n > 32)
928		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
929			 __func__, n, current->comm);
930
931	if (value > m)
932		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
933			 __func__, value, current->comm);
934	WARN_ON(value > m);
935	value &= m;
936
937	report += offset >> 3;
938	offset &= 7;
939
940	x = get_unaligned_le64(report);
941	x &= ~(m << offset);
942	x |= ((u64)value) << offset;
943	put_unaligned_le64(x, report);
944}
945
946/*
947 * Search an array for a value.
948 */
949
950static int search(__s32 *array, __s32 value, unsigned n)
951{
952	while (n--) {
953		if (*array++ == value)
954			return 0;
955	}
956	return -1;
957}
958
959/**
960 * hid_match_report - check if driver's raw_event should be called
961 *
962 * @hid: hid device
963 * @report_type: type to match against
964 *
965 * compare hid->driver->report_table->report_type to report->type
966 */
967static int hid_match_report(struct hid_device *hid, struct hid_report *report)
968{
969	const struct hid_report_id *id = hid->driver->report_table;
970
971	if (!id) /* NULL means all */
972		return 1;
973
974	for (; id->report_type != HID_TERMINATOR; id++)
975		if (id->report_type == HID_ANY_ID ||
976				id->report_type == report->type)
977			return 1;
978	return 0;
979}
980
981/**
982 * hid_match_usage - check if driver's event should be called
983 *
984 * @hid: hid device
985 * @usage: usage to match against
986 *
987 * compare hid->driver->usage_table->usage_{type,code} to
988 * usage->usage_{type,code}
989 */
990static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
991{
992	const struct hid_usage_id *id = hid->driver->usage_table;
993
994	if (!id) /* NULL means all */
995		return 1;
996
997	for (; id->usage_type != HID_ANY_ID - 1; id++)
998		if ((id->usage_hid == HID_ANY_ID ||
999				id->usage_hid == usage->hid) &&
1000				(id->usage_type == HID_ANY_ID ||
1001				id->usage_type == usage->type) &&
1002				(id->usage_code == HID_ANY_ID ||
1003				 id->usage_code == usage->code))
1004			return 1;
1005	return 0;
1006}
1007
1008static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1009		struct hid_usage *usage, __s32 value, int interrupt)
1010{
1011	struct hid_driver *hdrv = hid->driver;
1012	int ret;
1013
1014	if (!list_empty(&hid->debug_list))
1015		hid_dump_input(hid, usage, value);
1016
1017	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1018		ret = hdrv->event(hid, field, usage, value);
1019		if (ret != 0) {
1020			if (ret < 0)
1021				hid_err(hid, "%s's event failed with %d\n",
1022						hdrv->name, ret);
1023			return;
1024		}
1025	}
1026
1027	if (hid->claimed & HID_CLAIMED_INPUT)
1028		hidinput_hid_event(hid, field, usage, value);
1029	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1030		hid->hiddev_hid_event(hid, field, usage, value);
1031}
1032
1033/*
1034 * Analyse a received field, and fetch the data from it. The field
1035 * content is stored for next report processing (we do differential
1036 * reporting to the layer).
1037 */
1038
1039static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1040			    __u8 *data, int interrupt)
1041{
1042	unsigned n;
1043	unsigned count = field->report_count;
1044	unsigned offset = field->report_offset;
1045	unsigned size = field->report_size;
1046	__s32 min = field->logical_minimum;
1047	__s32 max = field->logical_maximum;
1048	__s32 *value;
1049
1050	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1051	if (!value)
1052		return;
1053
1054	for (n = 0; n < count; n++) {
1055
1056		value[n] = min < 0 ?
1057			snto32(extract(hid, data, offset + n * size, size),
1058			       size) :
1059			extract(hid, data, offset + n * size, size);
1060
1061		/* Ignore report if ErrorRollOver */
1062		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1063		    value[n] >= min && value[n] <= max &&
1064		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1065			goto exit;
1066	}
1067
1068	for (n = 0; n < count; n++) {
1069
1070		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1071			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1072			continue;
1073		}
1074
1075		if (field->value[n] >= min && field->value[n] <= max
1076			&& field->usage[field->value[n] - min].hid
1077			&& search(value, field->value[n], count))
1078				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1079
1080		if (value[n] >= min && value[n] <= max
1081			&& field->usage[value[n] - min].hid
1082			&& search(field->value, value[n], count))
1083				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1084	}
1085
1086	memcpy(field->value, value, count * sizeof(__s32));
1087exit:
1088	kfree(value);
1089}
1090
1091/*
1092 * Output the field into the report.
1093 */
1094
1095static void hid_output_field(const struct hid_device *hid,
1096			     struct hid_field *field, __u8 *data)
1097{
1098	unsigned count = field->report_count;
1099	unsigned offset = field->report_offset;
1100	unsigned size = field->report_size;
1101	unsigned n;
1102
1103	for (n = 0; n < count; n++) {
1104		if (field->logical_minimum < 0)	/* signed values */
1105			implement(hid, data, offset + n * size, size,
1106				  s32ton(field->value[n], size));
1107		else				/* unsigned values */
1108			implement(hid, data, offset + n * size, size,
1109				  field->value[n]);
1110	}
1111}
1112
1113/*
1114 * Create a report.
1115 */
1116
1117void hid_output_report(struct hid_report *report, __u8 *data)
1118{
1119	unsigned n;
1120
1121	if (report->id > 0)
1122		*data++ = report->id;
1123
1124	memset(data, 0, ((report->size - 1) >> 3) + 1);
1125	for (n = 0; n < report->maxfield; n++)
1126		hid_output_field(report->device, report->field[n], data);
1127}
1128EXPORT_SYMBOL_GPL(hid_output_report);
1129
1130/*
1131 * Set a field value. The report this field belongs to has to be
1132 * created and transferred to the device, to set this value in the
1133 * device.
1134 */
1135
1136int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1137{
1138	unsigned size = field->report_size;
1139
1140	hid_dump_input(field->report->device, field->usage + offset, value);
1141
1142	if (offset >= field->report_count) {
1143		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1144				offset, field->report_count);
1145		return -1;
1146	}
1147	if (field->logical_minimum < 0) {
1148		if (value != snto32(s32ton(value, size), size)) {
1149			hid_err(field->report->device, "value %d is out of range\n", value);
1150			return -1;
1151		}
1152	}
1153	field->value[offset] = value;
1154	return 0;
1155}
1156EXPORT_SYMBOL_GPL(hid_set_field);
1157
1158static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1159		const u8 *data)
1160{
1161	struct hid_report *report;
1162	unsigned int n = 0;	/* Normally report number is 0 */
1163
1164	/* Device uses numbered reports, data[0] is report number */
1165	if (report_enum->numbered)
1166		n = *data;
1167
1168	report = report_enum->report_id_hash[n];
1169	if (report == NULL)
1170		dbg_hid("undefined report_id %u received\n", n);
1171
1172	return report;
1173}
1174
1175int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1176		int interrupt)
1177{
1178	struct hid_report_enum *report_enum = hid->report_enum + type;
1179	struct hid_report *report;
1180	unsigned int a;
1181	int rsize, csize = size;
1182	u8 *cdata = data;
1183	int ret = 0;
1184
1185	report = hid_get_report(report_enum, data);
1186	if (!report)
1187		goto out;
1188
1189	if (report_enum->numbered) {
1190		cdata++;
1191		csize--;
1192	}
1193
1194	rsize = ((report->size - 1) >> 3) + 1;
1195
1196	if (rsize > HID_MAX_BUFFER_SIZE)
1197		rsize = HID_MAX_BUFFER_SIZE;
1198
1199	if (csize < rsize) {
1200		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1201				csize, rsize);
1202		memset(cdata + csize, 0, rsize - csize);
1203	}
1204
1205	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1206		hid->hiddev_report_event(hid, report);
1207	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1208		ret = hidraw_report_event(hid, data, size);
1209		if (ret)
1210			goto out;
1211	}
1212
1213	if (hid->claimed != HID_CLAIMED_HIDRAW) {
1214		for (a = 0; a < report->maxfield; a++)
1215			hid_input_field(hid, report->field[a], cdata, interrupt);
1216	}
1217
1218	if (hid->claimed & HID_CLAIMED_INPUT)
1219		hidinput_report_event(hid, report);
1220out:
1221	return ret;
1222}
1223EXPORT_SYMBOL_GPL(hid_report_raw_event);
1224
1225/**
1226 * hid_input_report - report data from lower layer (usb, bt...)
1227 *
1228 * @hid: hid device
1229 * @type: HID report type (HID_*_REPORT)
1230 * @data: report contents
1231 * @size: size of data parameter
1232 * @interrupt: distinguish between interrupt and control transfers
1233 *
1234 * This is data entry for lower layers.
1235 */
1236int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1237{
1238	struct hid_report_enum *report_enum;
1239	struct hid_driver *hdrv;
1240	struct hid_report *report;
1241	char *buf;
1242	unsigned int i;
1243	int ret = 0;
1244
1245	if (!hid)
1246		return -ENODEV;
1247
1248	if (down_trylock(&hid->driver_lock))
1249		return -EBUSY;
1250
1251	if (!hid->driver) {
1252		ret = -ENODEV;
1253		goto unlock;
1254	}
1255	report_enum = hid->report_enum + type;
1256	hdrv = hid->driver;
1257
1258	if (!size) {
1259		dbg_hid("empty report\n");
1260		ret = -1;
1261		goto unlock;
1262	}
1263
1264	/* Avoid unnecessary overhead if debugfs is disabled */
1265	if (list_empty(&hid->debug_list))
1266		goto nomem;
1267
1268	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1269
1270	if (!buf)
1271		goto nomem;
1272
1273	/* dump the report */
1274	snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1275			"\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1276	hid_debug_event(hid, buf);
1277
1278	for (i = 0; i < size; i++) {
1279		snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1280				" %02x", data[i]);
1281		hid_debug_event(hid, buf);
1282	}
1283	hid_debug_event(hid, "\n");
1284	kfree(buf);
1285
1286nomem:
1287	report = hid_get_report(report_enum, data);
1288
1289	if (!report) {
1290		ret = -1;
1291		goto unlock;
1292	}
1293
1294	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1295		ret = hdrv->raw_event(hid, report, data, size);
1296		if (ret != 0) {
1297			ret = ret < 0 ? ret : 0;
1298			goto unlock;
1299		}
1300	}
1301
1302	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1303
1304unlock:
1305	up(&hid->driver_lock);
1306	return ret;
1307}
1308EXPORT_SYMBOL_GPL(hid_input_report);
1309
1310static bool hid_match_one_id(struct hid_device *hdev,
1311		const struct hid_device_id *id)
1312{
1313	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1314		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1315		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1316		(id->product == HID_ANY_ID || id->product == hdev->product);
1317}
1318
1319const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1320		const struct hid_device_id *id)
1321{
1322	for (; id->bus; id++)
1323		if (hid_match_one_id(hdev, id))
1324			return id;
1325
1326	return NULL;
1327}
1328
1329static const struct hid_device_id hid_hiddev_list[] = {
1330	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1331	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1332	{ }
1333};
1334
1335static bool hid_hiddev(struct hid_device *hdev)
1336{
1337	return !!hid_match_id(hdev, hid_hiddev_list);
1338}
1339
1340
1341static ssize_t
1342read_report_descriptor(struct file *filp, struct kobject *kobj,
1343		struct bin_attribute *attr,
1344		char *buf, loff_t off, size_t count)
1345{
1346	struct device *dev = container_of(kobj, struct device, kobj);
1347	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1348
1349	if (off >= hdev->rsize)
1350		return 0;
1351
1352	if (off + count > hdev->rsize)
1353		count = hdev->rsize - off;
1354
1355	memcpy(buf, hdev->rdesc + off, count);
1356
1357	return count;
1358}
1359
1360static struct bin_attribute dev_bin_attr_report_desc = {
1361	.attr = { .name = "report_descriptor", .mode = 0444 },
1362	.read = read_report_descriptor,
1363	.size = HID_MAX_DESCRIPTOR_SIZE,
1364};
1365
1366int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1367{
1368	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1369		"Joystick", "Gamepad", "Keyboard", "Keypad",
1370		"Multi-Axis Controller"
1371	};
1372	const char *type, *bus;
1373	char buf[64];
1374	unsigned int i;
1375	int len;
1376	int ret;
1377
1378	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1379		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1380	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1381		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1382	if (hdev->bus != BUS_USB)
1383		connect_mask &= ~HID_CONNECT_HIDDEV;
1384	if (hid_hiddev(hdev))
1385		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1386
1387	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1388				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1389		hdev->claimed |= HID_CLAIMED_INPUT;
1390
1391	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1392			!hdev->hiddev_connect(hdev,
1393				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1394		hdev->claimed |= HID_CLAIMED_HIDDEV;
1395	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1396		hdev->claimed |= HID_CLAIMED_HIDRAW;
1397
1398	/* Drivers with the ->raw_event callback set are not required to connect
1399	 * to any other listener. */
1400	if (!hdev->claimed && !hdev->driver->raw_event) {
1401		hid_err(hdev, "device has no listeners, quitting\n");
1402		return -ENODEV;
1403	}
1404
1405	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1406			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1407		hdev->ff_init(hdev);
1408
1409	len = 0;
1410	if (hdev->claimed & HID_CLAIMED_INPUT)
1411		len += sprintf(buf + len, "input");
1412	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1413		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1414				hdev->minor);
1415	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1416		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1417				((struct hidraw *)hdev->hidraw)->minor);
1418
1419	type = "Device";
1420	for (i = 0; i < hdev->maxcollection; i++) {
1421		struct hid_collection *col = &hdev->collection[i];
1422		if (col->type == HID_COLLECTION_APPLICATION &&
1423		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1424		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1425			type = types[col->usage & 0xffff];
1426			break;
1427		}
1428	}
1429
1430	switch (hdev->bus) {
1431	case BUS_USB:
1432		bus = "USB";
1433		break;
1434	case BUS_BLUETOOTH:
1435		bus = "BLUETOOTH";
1436		break;
1437	default:
1438		bus = "<UNKNOWN>";
1439	}
1440
1441	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1442	if (ret)
1443		hid_warn(hdev,
1444			 "can't create sysfs report descriptor attribute err: %d\n", ret);
1445
1446	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1447		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1448		 type, hdev->name, hdev->phys);
1449
1450	return 0;
1451}
1452EXPORT_SYMBOL_GPL(hid_connect);
1453
1454void hid_disconnect(struct hid_device *hdev)
1455{
1456	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1457	if (hdev->claimed & HID_CLAIMED_INPUT)
1458		hidinput_disconnect(hdev);
1459	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1460		hdev->hiddev_disconnect(hdev);
1461	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1462		hidraw_disconnect(hdev);
1463}
1464EXPORT_SYMBOL_GPL(hid_disconnect);
1465
1466/*
1467 * A list of devices for which there is a specialized driver on HID bus.
1468 *
1469 * Please note that for multitouch devices (driven by hid-multitouch driver),
1470 * there is a proper autodetection and autoloading in place (based on presence
1471 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1472 * as we are doing the right thing in hid_scan_usage().
1473 *
1474 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1475 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1476 * used as a driver. See hid_scan_report().
1477 */
1478static const struct hid_device_id hid_have_special_driver[] = {
1479	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1480	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1481	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1482	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1483	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1484	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1485	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1486	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1487	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1488	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1489	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1490	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1491	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1492	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1493	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1494	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1495	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1496	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1497	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1498	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1499	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1500	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1501	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1502	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1503	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1504	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1505	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1506	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1507	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1508	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1509	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1510	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1511	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1512	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1513	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1514	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1515	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1516	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1517	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1518	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1519	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1520	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1521	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1522	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1523	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1524	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1525	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1526	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1527	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1528	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1529	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1530	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1531	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1532	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1533	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1534	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1535	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1536	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1537	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1538	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1539	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1540	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1541	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1542	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1543	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1544	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1545	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1546	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1547	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1548	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1549	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1550	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1551	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1552	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1553	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1554	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1555	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1556	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1557	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1558	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1559	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1560	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1561	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1562	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1563	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1564	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1565	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1566	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1567	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1568	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1569	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1570	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1571	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1572	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1573	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1574	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1575	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1576	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1577	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1578	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1579	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1580	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1581	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1582	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1583	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1584	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1585	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1586	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1587	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1588	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1589	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1590	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1591#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
1592	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1593#endif
1594	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1595	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1596	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1597	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1598	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1599	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1600	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1601	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1602	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1603	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1604	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1605	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1606	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1607	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1608	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1609	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1610	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1611	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1612	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1613	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1614	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1615	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1616	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1617	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1618	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1619#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1620	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1621	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1622#endif
1623	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1624	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1625	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1626	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1627	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1628	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1629	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1630	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1631	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1632	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1633	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1634	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1635	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1636	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1637	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1638	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1639	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1640	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1641	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1642	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1643	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1644	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1645	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1646	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1647	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1648	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1649	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1650	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1651	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1652	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1653	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1654	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1655	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1656	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1657	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1658	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1659	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1660#if IS_ENABLED(CONFIG_HID_ROCCAT)
1661	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1662	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1663	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1664	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1665	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1666	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1667	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1668	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1669#endif
1670	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1671	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1672	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1673	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1674	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1675	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1676	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1677	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1678	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1679	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1680	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1681	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1682	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1683	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1684	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1685	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1686	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1687	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1688	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1689	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1690	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1691	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1692	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1693	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1694	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1695	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1696	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1697	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1698	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1699	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1700	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1701	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1702	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1703	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1704	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1705	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1706	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1707	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1708	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1709	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1710	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1711	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1712	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1713	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1714	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
1715	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1716	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1717	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1718	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1719
1720	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1721	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1722	{ }
1723};
1724
1725struct hid_dynid {
1726	struct list_head list;
1727	struct hid_device_id id;
1728};
1729
1730/**
1731 * store_new_id - add a new HID device ID to this driver and re-probe devices
1732 * @driver: target device driver
1733 * @buf: buffer for scanning device ID data
1734 * @count: input size
1735 *
1736 * Adds a new dynamic hid device ID to this driver,
1737 * and causes the driver to probe for all devices again.
1738 */
1739static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1740		size_t count)
1741{
1742	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1743	struct hid_dynid *dynid;
1744	__u32 bus, vendor, product;
1745	unsigned long driver_data = 0;
1746	int ret;
1747
1748	ret = sscanf(buf, "%x %x %x %lx",
1749			&bus, &vendor, &product, &driver_data);
1750	if (ret < 3)
1751		return -EINVAL;
1752
1753	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1754	if (!dynid)
1755		return -ENOMEM;
1756
1757	dynid->id.bus = bus;
1758	dynid->id.group = HID_GROUP_ANY;
1759	dynid->id.vendor = vendor;
1760	dynid->id.product = product;
1761	dynid->id.driver_data = driver_data;
1762
1763	spin_lock(&hdrv->dyn_lock);
1764	list_add_tail(&dynid->list, &hdrv->dyn_list);
1765	spin_unlock(&hdrv->dyn_lock);
1766
1767	ret = driver_attach(&hdrv->driver);
1768
1769	return ret ? : count;
1770}
1771static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1772
1773static void hid_free_dynids(struct hid_driver *hdrv)
1774{
1775	struct hid_dynid *dynid, *n;
1776
1777	spin_lock(&hdrv->dyn_lock);
1778	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1779		list_del(&dynid->list);
1780		kfree(dynid);
1781	}
1782	spin_unlock(&hdrv->dyn_lock);
1783}
1784
1785static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1786		struct hid_driver *hdrv)
1787{
1788	struct hid_dynid *dynid;
1789
1790	spin_lock(&hdrv->dyn_lock);
1791	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1792		if (hid_match_one_id(hdev, &dynid->id)) {
1793			spin_unlock(&hdrv->dyn_lock);
1794			return &dynid->id;
1795		}
1796	}
1797	spin_unlock(&hdrv->dyn_lock);
1798
1799	return hid_match_id(hdev, hdrv->id_table);
1800}
1801
1802static int hid_bus_match(struct device *dev, struct device_driver *drv)
1803{
1804	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1805	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1806
1807	return hid_match_device(hdev, hdrv) != NULL;
1808}
1809
1810static int hid_device_probe(struct device *dev)
1811{
1812	struct hid_driver *hdrv = container_of(dev->driver,
1813			struct hid_driver, driver);
1814	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1815	const struct hid_device_id *id;
1816	int ret = 0;
1817
1818	if (down_interruptible(&hdev->driver_lock))
1819		return -EINTR;
1820
1821	if (!hdev->driver) {
1822		id = hid_match_device(hdev, hdrv);
1823		if (id == NULL) {
1824			ret = -ENODEV;
1825			goto unlock;
1826		}
1827
1828		hdev->driver = hdrv;
1829		if (hdrv->probe) {
1830			ret = hdrv->probe(hdev, id);
1831		} else { /* default probe */
1832			ret = hid_open_report(hdev);
1833			if (!ret)
1834				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1835		}
1836		if (ret) {
1837			hid_close_report(hdev);
1838			hdev->driver = NULL;
1839		}
1840	}
1841unlock:
1842	up(&hdev->driver_lock);
1843	return ret;
1844}
1845
1846static int hid_device_remove(struct device *dev)
1847{
1848	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1849	struct hid_driver *hdrv;
1850
1851	if (down_interruptible(&hdev->driver_lock))
1852		return -EINTR;
1853
1854	hdrv = hdev->driver;
1855	if (hdrv) {
1856		if (hdrv->remove)
1857			hdrv->remove(hdev);
1858		else /* default remove */
1859			hid_hw_stop(hdev);
1860		hid_close_report(hdev);
1861		hdev->driver = NULL;
1862	}
1863
1864	up(&hdev->driver_lock);
1865	return 0;
1866}
1867
1868static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
1869			     char *buf)
1870{
1871	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1872	int len;
1873
1874	len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
1875		       hdev->bus, hdev->group, hdev->vendor, hdev->product);
1876
1877	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
1878}
1879
1880static struct device_attribute hid_dev_attrs[] = {
1881	__ATTR_RO(modalias),
1882	__ATTR_NULL,
1883};
1884
1885static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1886{
1887	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1888
1889	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1890			hdev->bus, hdev->vendor, hdev->product))
1891		return -ENOMEM;
1892
1893	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1894		return -ENOMEM;
1895
1896	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1897		return -ENOMEM;
1898
1899	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1900		return -ENOMEM;
1901
1902	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
1903			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
1904		return -ENOMEM;
1905
1906	return 0;
1907}
1908
1909static struct bus_type hid_bus_type = {
1910	.name		= "hid",
1911	.dev_attrs	= hid_dev_attrs,
1912	.match		= hid_bus_match,
1913	.probe		= hid_device_probe,
1914	.remove		= hid_device_remove,
1915	.uevent		= hid_uevent,
1916};
1917
1918/* a list of devices that shouldn't be handled by HID core at all */
1919static const struct hid_device_id hid_ignore_list[] = {
1920	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1921	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1922	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1923	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1924	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1925	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1926	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1927	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1928	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1929	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1930	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1931	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1932	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1933	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1934	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1935	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
1936	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1937	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1938	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1939	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1940	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1941	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1942	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1943	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1944	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1945	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1946	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
1947	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1948	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1949	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1950	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1951	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1952	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1953	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1954	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1955	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1956	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1957	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1958	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1959	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1960	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1961	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1962	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1963	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1964	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1965	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1966	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1967	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
1968	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1969	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1970	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1971	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1972	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1973	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1974	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1975	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1976	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1977	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1978	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1979	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1980	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1981	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1982	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1983	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1984	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1985	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1986	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1987	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1988	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1989	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1990	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1991	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1992	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1993	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1994	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1995	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1996	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1997	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1998	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1999	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2000	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2001	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2002	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2003	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2004	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2005	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2006	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2007	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2008	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2009	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2010	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2011	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2012	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2013	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2014	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2015	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2016	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2017	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2018	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2019	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2020	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2021	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2022	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2023	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2024	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2025	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2026	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2027	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2028	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2029	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2030	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2031	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2032	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2033	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2034	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2035	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2036	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2037	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2038	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2039	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2040	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2041	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2042	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2043	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2044	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2045	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2046	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2047	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2048	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2049	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2050	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2051	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2052	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2053	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2054	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2055	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2056	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2057	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2058	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2059	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2060	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2061	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2062	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2063	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2064	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2065	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2066	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2067	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2068	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2069	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2070	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2071	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2072	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2073#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2074	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2075	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2076	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2077	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2078	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2079	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2080	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2081	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2082#endif
2083	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2084	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2085	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2086	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2087	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2088	{ HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2089	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2090	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2091	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2092	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2093	{ }
2094};
2095
2096/**
2097 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2098 *
2099 * There are composite devices for which we want to ignore only a certain
2100 * interface. This is a list of devices for which only the mouse interface will
2101 * be ignored. This allows a dedicated driver to take care of the interface.
2102 */
2103static const struct hid_device_id hid_mouse_ignore_list[] = {
2104	/* appletouch driver */
2105	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2106	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2107	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2108	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2109	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2110	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2111	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2112	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2113	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2114	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2115	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2116	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2117	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2118	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2119	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2120	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2121	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2122	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2123	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2124	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2125	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2126	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2127	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2128	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2129	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2130	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2131	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2132	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2133	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2134	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2135	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2136	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2137	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2138	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2139	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2140	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2141	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2142	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2143	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2144	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2145	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2146	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2147	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2148	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2149	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2150	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2151	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2152	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2153	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2154	{ }
2155};
2156
2157static bool hid_ignore(struct hid_device *hdev)
2158{
2159	switch (hdev->vendor) {
2160	case USB_VENDOR_ID_CODEMERCS:
2161		/* ignore all Code Mercenaries IOWarrior devices */
2162		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2163				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2164			return true;
2165		break;
2166	case USB_VENDOR_ID_LOGITECH:
2167		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2168				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2169			return true;
2170		/*
2171		 * The Keene FM transmitter USB device has the same USB ID as
2172		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2173		 * Check if the name is that of the Keene device.
2174		 * For reference: the name of the AudioHub is
2175		 * "HOLTEK  AudioHub Speaker".
2176		 */
2177		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2178			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2179				return true;
2180		break;
2181	case USB_VENDOR_ID_SOUNDGRAPH:
2182		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2183		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2184			return true;
2185		break;
2186	case USB_VENDOR_ID_HANWANG:
2187		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2188		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2189			return true;
2190		break;
2191	case USB_VENDOR_ID_JESS:
2192		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2193				hdev->type == HID_TYPE_USBNONE)
2194			return true;
2195	break;
2196	}
2197
2198	if (hdev->type == HID_TYPE_USBMOUSE &&
2199			hid_match_id(hdev, hid_mouse_ignore_list))
2200		return true;
2201
2202	return !!hid_match_id(hdev, hid_ignore_list);
2203}
2204
2205int hid_add_device(struct hid_device *hdev)
2206{
2207	static atomic_t id = ATOMIC_INIT(0);
2208	int ret;
2209
2210	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2211		return -EBUSY;
2212
2213	/* we need to kill them here, otherwise they will stay allocated to
2214	 * wait for coming driver */
2215	if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2216            && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2217		return -ENODEV;
2218
2219	/*
2220	 * Read the device report descriptor once and use as template
2221	 * for the driver-specific modifications.
2222	 */
2223	ret = hdev->ll_driver->parse(hdev);
2224	if (ret)
2225		return ret;
2226	if (!hdev->dev_rdesc)
2227		return -ENODEV;
2228
2229	/*
2230	 * Scan generic devices for group information
2231	 */
2232	if (hid_ignore_special_drivers ||
2233	    !hid_match_id(hdev, hid_have_special_driver)) {
2234		ret = hid_scan_report(hdev);
2235		if (ret)
2236			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2237	}
2238
2239	/* XXX hack, any other cleaner solution after the driver core
2240	 * is converted to allow more than 20 bytes as the device name? */
2241	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2242		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2243
2244	hid_debug_register(hdev, dev_name(&hdev->dev));
2245	ret = device_add(&hdev->dev);
2246	if (!ret)
2247		hdev->status |= HID_STAT_ADDED;
2248	else
2249		hid_debug_unregister(hdev);
2250
2251	return ret;
2252}
2253EXPORT_SYMBOL_GPL(hid_add_device);
2254
2255/**
2256 * hid_allocate_device - allocate new hid device descriptor
2257 *
2258 * Allocate and initialize hid device, so that hid_destroy_device might be
2259 * used to free it.
2260 *
2261 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2262 * error value.
2263 */
2264struct hid_device *hid_allocate_device(void)
2265{
2266	struct hid_device *hdev;
2267	int ret = -ENOMEM;
2268
2269	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2270	if (hdev == NULL)
2271		return ERR_PTR(ret);
2272
2273	device_initialize(&hdev->dev);
2274	hdev->dev.release = hid_device_release;
2275	hdev->dev.bus = &hid_bus_type;
2276
2277	hid_close_report(hdev);
2278
2279	init_waitqueue_head(&hdev->debug_wait);
2280	INIT_LIST_HEAD(&hdev->debug_list);
2281	sema_init(&hdev->driver_lock, 1);
2282
2283	return hdev;
2284}
2285EXPORT_SYMBOL_GPL(hid_allocate_device);
2286
2287static void hid_remove_device(struct hid_device *hdev)
2288{
2289	if (hdev->status & HID_STAT_ADDED) {
2290		device_del(&hdev->dev);
2291		hid_debug_unregister(hdev);
2292		hdev->status &= ~HID_STAT_ADDED;
2293	}
2294	kfree(hdev->dev_rdesc);
2295	hdev->dev_rdesc = NULL;
2296	hdev->dev_rsize = 0;
2297}
2298
2299/**
2300 * hid_destroy_device - free previously allocated device
2301 *
2302 * @hdev: hid device
2303 *
2304 * If you allocate hid_device through hid_allocate_device, you should ever
2305 * free by this function.
2306 */
2307void hid_destroy_device(struct hid_device *hdev)
2308{
2309	hid_remove_device(hdev);
2310	put_device(&hdev->dev);
2311}
2312EXPORT_SYMBOL_GPL(hid_destroy_device);
2313
2314int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2315		const char *mod_name)
2316{
2317	int ret;
2318
2319	hdrv->driver.name = hdrv->name;
2320	hdrv->driver.bus = &hid_bus_type;
2321	hdrv->driver.owner = owner;
2322	hdrv->driver.mod_name = mod_name;
2323
2324	INIT_LIST_HEAD(&hdrv->dyn_list);
2325	spin_lock_init(&hdrv->dyn_lock);
2326
2327	ret = driver_register(&hdrv->driver);
2328	if (ret)
2329		return ret;
2330
2331	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2332	if (ret)
2333		driver_unregister(&hdrv->driver);
2334
2335	return ret;
2336}
2337EXPORT_SYMBOL_GPL(__hid_register_driver);
2338
2339void hid_unregister_driver(struct hid_driver *hdrv)
2340{
2341	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2342	driver_unregister(&hdrv->driver);
2343	hid_free_dynids(hdrv);
2344}
2345EXPORT_SYMBOL_GPL(hid_unregister_driver);
2346
2347int hid_check_keys_pressed(struct hid_device *hid)
2348{
2349	struct hid_input *hidinput;
2350	int i;
2351
2352	if (!(hid->claimed & HID_CLAIMED_INPUT))
2353		return 0;
2354
2355	list_for_each_entry(hidinput, &hid->inputs, list) {
2356		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2357			if (hidinput->input->key[i])
2358				return 1;
2359	}
2360
2361	return 0;
2362}
2363
2364EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2365
2366static int __init hid_init(void)
2367{
2368	int ret;
2369
2370	if (hid_debug)
2371		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2372			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2373
2374	ret = bus_register(&hid_bus_type);
2375	if (ret) {
2376		pr_err("can't register hid bus\n");
2377		goto err;
2378	}
2379
2380	ret = hidraw_init();
2381	if (ret)
2382		goto err_bus;
2383
2384	hid_debug_init();
2385
2386	return 0;
2387err_bus:
2388	bus_unregister(&hid_bus_type);
2389err:
2390	return ret;
2391}
2392
2393static void __exit hid_exit(void)
2394{
2395	hid_debug_exit();
2396	hidraw_exit();
2397	bus_unregister(&hid_bus_type);
2398}
2399
2400module_init(hid_init);
2401module_exit(hid_exit);
2402
2403MODULE_AUTHOR("Andreas Gal");
2404MODULE_AUTHOR("Vojtech Pavlik");
2405MODULE_AUTHOR("Jiri Kosina");
2406MODULE_LICENSE(DRIVER_LICENSE);
2407
2408