hid-core.c revision f961bd3516e4f699bbacff5d7f5247d6d87c59f0
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	int i;
96
97	if (report->maxfield == HID_MAX_FIELDS) {
98		hid_err(report->device, "too many fields in report\n");
99		return NULL;
100	}
101
102	field = kzalloc((sizeof(struct hid_field) +
103			 usages * sizeof(struct hid_usage) +
104			 values * sizeof(unsigned)), GFP_KERNEL);
105	if (!field)
106		return NULL;
107
108	field->index = report->maxfield++;
109	report->field[field->index] = field;
110	field->usage = (struct hid_usage *)(field + 1);
111	field->value = (s32 *)(field->usage + usages);
112	field->report = report;
113
114	for (i = 0; i < usages; i++)
115		field->usage[i].usage_index = i;
116
117	return field;
118}
119
120/*
121 * Open a collection. The type/usage is pushed on the stack.
122 */
123
124static int open_collection(struct hid_parser *parser, unsigned type)
125{
126	struct hid_collection *collection;
127	unsigned usage;
128
129	usage = parser->local.usage[0];
130
131	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
132		hid_err(parser->device, "collection stack overflow\n");
133		return -EINVAL;
134	}
135
136	if (parser->device->maxcollection == parser->device->collection_size) {
137		collection = kmalloc(sizeof(struct hid_collection) *
138				parser->device->collection_size * 2, GFP_KERNEL);
139		if (collection == NULL) {
140			hid_err(parser->device, "failed to reallocate collection array\n");
141			return -ENOMEM;
142		}
143		memcpy(collection, parser->device->collection,
144			sizeof(struct hid_collection) *
145			parser->device->collection_size);
146		memset(collection + parser->device->collection_size, 0,
147			sizeof(struct hid_collection) *
148			parser->device->collection_size);
149		kfree(parser->device->collection);
150		parser->device->collection = collection;
151		parser->device->collection_size *= 2;
152	}
153
154	parser->collection_stack[parser->collection_stack_ptr++] =
155		parser->device->maxcollection;
156
157	collection = parser->device->collection +
158		parser->device->maxcollection++;
159	collection->type = type;
160	collection->usage = usage;
161	collection->level = parser->collection_stack_ptr - 1;
162
163	if (type == HID_COLLECTION_APPLICATION)
164		parser->device->maxapplication++;
165
166	return 0;
167}
168
169/*
170 * Close a collection.
171 */
172
173static int close_collection(struct hid_parser *parser)
174{
175	if (!parser->collection_stack_ptr) {
176		hid_err(parser->device, "collection stack underflow\n");
177		return -EINVAL;
178	}
179	parser->collection_stack_ptr--;
180	return 0;
181}
182
183/*
184 * Climb up the stack, search for the specified collection type
185 * and return the usage.
186 */
187
188static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
189{
190	struct hid_collection *collection = parser->device->collection;
191	int n;
192
193	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
194		unsigned index = parser->collection_stack[n];
195		if (collection[index].type == type)
196			return collection[index].usage;
197	}
198	return 0; /* we know nothing about this usage type */
199}
200
201/*
202 * Add a usage to the temporary parser table.
203 */
204
205static int hid_add_usage(struct hid_parser *parser, unsigned usage)
206{
207	if (parser->local.usage_index >= HID_MAX_USAGES) {
208		hid_err(parser->device, "usage index exceeded\n");
209		return -1;
210	}
211	parser->local.usage[parser->local.usage_index] = usage;
212	parser->local.collection_index[parser->local.usage_index] =
213		parser->collection_stack_ptr ?
214		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
215	parser->local.usage_index++;
216	return 0;
217}
218
219/*
220 * Register a new field for this report.
221 */
222
223static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
224{
225	struct hid_report *report;
226	struct hid_field *field;
227	int usages;
228	unsigned offset;
229	int i;
230
231	report = hid_register_report(parser->device, report_type, parser->global.report_id);
232	if (!report) {
233		hid_err(parser->device, "hid_register_report failed\n");
234		return -1;
235	}
236
237	/* Handle both signed and unsigned cases properly */
238	if ((parser->global.logical_minimum < 0 &&
239		parser->global.logical_maximum <
240		parser->global.logical_minimum) ||
241		(parser->global.logical_minimum >= 0 &&
242		(__u32)parser->global.logical_maximum <
243		(__u32)parser->global.logical_minimum)) {
244		dbg_hid("logical range invalid 0x%x 0x%x\n",
245			parser->global.logical_minimum,
246			parser->global.logical_maximum);
247		return -1;
248	}
249
250	offset = report->size;
251	report->size += parser->global.report_size * parser->global.report_count;
252
253	if (!parser->local.usage_index) /* Ignore padding fields */
254		return 0;
255
256	usages = max_t(int, parser->local.usage_index, parser->global.report_count);
257
258	field = hid_register_field(report, usages, parser->global.report_count);
259	if (!field)
260		return 0;
261
262	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
263	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
264	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
265
266	for (i = 0; i < usages; i++) {
267		int j = i;
268		/* Duplicate the last usage we parsed if we have excess values */
269		if (i >= parser->local.usage_index)
270			j = parser->local.usage_index - 1;
271		field->usage[i].hid = parser->local.usage[j];
272		field->usage[i].collection_index =
273			parser->local.collection_index[j];
274	}
275
276	field->maxusage = usages;
277	field->flags = flags;
278	field->report_offset = offset;
279	field->report_type = report_type;
280	field->report_size = parser->global.report_size;
281	field->report_count = parser->global.report_count;
282	field->logical_minimum = parser->global.logical_minimum;
283	field->logical_maximum = parser->global.logical_maximum;
284	field->physical_minimum = parser->global.physical_minimum;
285	field->physical_maximum = parser->global.physical_maximum;
286	field->unit_exponent = parser->global.unit_exponent;
287	field->unit = parser->global.unit;
288
289	return 0;
290}
291
292/*
293 * Read data value from item.
294 */
295
296static u32 item_udata(struct hid_item *item)
297{
298	switch (item->size) {
299	case 1: return item->data.u8;
300	case 2: return item->data.u16;
301	case 4: return item->data.u32;
302	}
303	return 0;
304}
305
306static s32 item_sdata(struct hid_item *item)
307{
308	switch (item->size) {
309	case 1: return item->data.s8;
310	case 2: return item->data.s16;
311	case 4: return item->data.s32;
312	}
313	return 0;
314}
315
316/*
317 * Process a global item.
318 */
319
320static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321{
322	__u32 raw_value;
323	switch (item->tag) {
324	case HID_GLOBAL_ITEM_TAG_PUSH:
325
326		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
327			hid_err(parser->device, "global environment stack overflow\n");
328			return -1;
329		}
330
331		memcpy(parser->global_stack + parser->global_stack_ptr++,
332			&parser->global, sizeof(struct hid_global));
333		return 0;
334
335	case HID_GLOBAL_ITEM_TAG_POP:
336
337		if (!parser->global_stack_ptr) {
338			hid_err(parser->device, "global environment stack underflow\n");
339			return -1;
340		}
341
342		memcpy(&parser->global, parser->global_stack +
343			--parser->global_stack_ptr, sizeof(struct hid_global));
344		return 0;
345
346	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347		parser->global.usage_page = item_udata(item);
348		return 0;
349
350	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351		parser->global.logical_minimum = item_sdata(item);
352		return 0;
353
354	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355		if (parser->global.logical_minimum < 0)
356			parser->global.logical_maximum = item_sdata(item);
357		else
358			parser->global.logical_maximum = item_udata(item);
359		return 0;
360
361	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362		parser->global.physical_minimum = item_sdata(item);
363		return 0;
364
365	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366		if (parser->global.physical_minimum < 0)
367			parser->global.physical_maximum = item_sdata(item);
368		else
369			parser->global.physical_maximum = item_udata(item);
370		return 0;
371
372	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
373		/* Units exponent negative numbers are given through a
374		 * two's complement.
375		 * See "6.2.2.7 Global Items" for more information. */
376		raw_value = item_udata(item);
377		if (!(raw_value & 0xfffffff0))
378			parser->global.unit_exponent = hid_snto32(raw_value, 4);
379		else
380			parser->global.unit_exponent = raw_value;
381		return 0;
382
383	case HID_GLOBAL_ITEM_TAG_UNIT:
384		parser->global.unit = item_udata(item);
385		return 0;
386
387	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
388		parser->global.report_size = item_udata(item);
389		if (parser->global.report_size > 128) {
390			hid_err(parser->device, "invalid report_size %d\n",
391					parser->global.report_size);
392			return -1;
393		}
394		return 0;
395
396	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
397		parser->global.report_count = item_udata(item);
398		if (parser->global.report_count > HID_MAX_USAGES) {
399			hid_err(parser->device, "invalid report_count %d\n",
400					parser->global.report_count);
401			return -1;
402		}
403		return 0;
404
405	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
406		parser->global.report_id = item_udata(item);
407		if (parser->global.report_id == 0) {
408			hid_err(parser->device, "report_id 0 is invalid\n");
409			return -1;
410		}
411		return 0;
412
413	default:
414		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
415		return -1;
416	}
417}
418
419/*
420 * Process a local item.
421 */
422
423static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
424{
425	__u32 data;
426	unsigned n;
427
428	data = item_udata(item);
429
430	switch (item->tag) {
431	case HID_LOCAL_ITEM_TAG_DELIMITER:
432
433		if (data) {
434			/*
435			 * We treat items before the first delimiter
436			 * as global to all usage sets (branch 0).
437			 * In the moment we process only these global
438			 * items and the first delimiter set.
439			 */
440			if (parser->local.delimiter_depth != 0) {
441				hid_err(parser->device, "nested delimiters\n");
442				return -1;
443			}
444			parser->local.delimiter_depth++;
445			parser->local.delimiter_branch++;
446		} else {
447			if (parser->local.delimiter_depth < 1) {
448				hid_err(parser->device, "bogus close delimiter\n");
449				return -1;
450			}
451			parser->local.delimiter_depth--;
452		}
453		return 1;
454
455	case HID_LOCAL_ITEM_TAG_USAGE:
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		return hid_add_usage(parser, data);
466
467	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
468
469		if (parser->local.delimiter_branch > 1) {
470			dbg_hid("alternative usage ignored\n");
471			return 0;
472		}
473
474		if (item->size <= 2)
475			data = (parser->global.usage_page << 16) + data;
476
477		parser->local.usage_minimum = data;
478		return 0;
479
480	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
481
482		if (parser->local.delimiter_branch > 1) {
483			dbg_hid("alternative usage ignored\n");
484			return 0;
485		}
486
487		if (item->size <= 2)
488			data = (parser->global.usage_page << 16) + data;
489
490		for (n = parser->local.usage_minimum; n <= data; n++)
491			if (hid_add_usage(parser, n)) {
492				dbg_hid("hid_add_usage failed\n");
493				return -1;
494			}
495		return 0;
496
497	default:
498
499		dbg_hid("unknown local item tag 0x%x\n", item->tag);
500		return 0;
501	}
502	return 0;
503}
504
505/*
506 * Process a main item.
507 */
508
509static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
510{
511	__u32 data;
512	int ret;
513
514	data = item_udata(item);
515
516	switch (item->tag) {
517	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
518		ret = open_collection(parser, data & 0xff);
519		break;
520	case HID_MAIN_ITEM_TAG_END_COLLECTION:
521		ret = close_collection(parser);
522		break;
523	case HID_MAIN_ITEM_TAG_INPUT:
524		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
525		break;
526	case HID_MAIN_ITEM_TAG_OUTPUT:
527		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
528		break;
529	case HID_MAIN_ITEM_TAG_FEATURE:
530		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
531		break;
532	default:
533		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
534		ret = 0;
535	}
536
537	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
538
539	return ret;
540}
541
542/*
543 * Process a reserved item.
544 */
545
546static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
547{
548	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
549	return 0;
550}
551
552/*
553 * Free a report and all registered fields. The field->usage and
554 * field->value table's are allocated behind the field, so we need
555 * only to free(field) itself.
556 */
557
558static void hid_free_report(struct hid_report *report)
559{
560	unsigned n;
561
562	for (n = 0; n < report->maxfield; n++)
563		kfree(report->field[n]);
564	kfree(report);
565}
566
567/*
568 * Close report. This function returns the device
569 * state to the point prior to hid_open_report().
570 */
571static void hid_close_report(struct hid_device *device)
572{
573	unsigned i, j;
574
575	for (i = 0; i < HID_REPORT_TYPES; i++) {
576		struct hid_report_enum *report_enum = device->report_enum + i;
577
578		for (j = 0; j < 256; j++) {
579			struct hid_report *report = report_enum->report_id_hash[j];
580			if (report)
581				hid_free_report(report);
582		}
583		memset(report_enum, 0, sizeof(*report_enum));
584		INIT_LIST_HEAD(&report_enum->report_list);
585	}
586
587	kfree(device->rdesc);
588	device->rdesc = NULL;
589	device->rsize = 0;
590
591	kfree(device->collection);
592	device->collection = NULL;
593	device->collection_size = 0;
594	device->maxcollection = 0;
595	device->maxapplication = 0;
596
597	device->status &= ~HID_STAT_PARSED;
598}
599
600/*
601 * Free a device structure, all reports, and all fields.
602 */
603
604static void hid_device_release(struct device *dev)
605{
606	struct hid_device *hid = container_of(dev, struct hid_device, dev);
607
608	hid_close_report(hid);
609	kfree(hid->dev_rdesc);
610	kfree(hid);
611}
612
613/*
614 * Fetch a report description item from the data stream. We support long
615 * items, though they are not used yet.
616 */
617
618static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
619{
620	u8 b;
621
622	if ((end - start) <= 0)
623		return NULL;
624
625	b = *start++;
626
627	item->type = (b >> 2) & 3;
628	item->tag  = (b >> 4) & 15;
629
630	if (item->tag == HID_ITEM_TAG_LONG) {
631
632		item->format = HID_ITEM_FORMAT_LONG;
633
634		if ((end - start) < 2)
635			return NULL;
636
637		item->size = *start++;
638		item->tag  = *start++;
639
640		if ((end - start) < item->size)
641			return NULL;
642
643		item->data.longdata = start;
644		start += item->size;
645		return start;
646	}
647
648	item->format = HID_ITEM_FORMAT_SHORT;
649	item->size = b & 3;
650
651	switch (item->size) {
652	case 0:
653		return start;
654
655	case 1:
656		if ((end - start) < 1)
657			return NULL;
658		item->data.u8 = *start++;
659		return start;
660
661	case 2:
662		if ((end - start) < 2)
663			return NULL;
664		item->data.u16 = get_unaligned_le16(start);
665		start = (__u8 *)((__le16 *)start + 1);
666		return start;
667
668	case 3:
669		item->size++;
670		if ((end - start) < 4)
671			return NULL;
672		item->data.u32 = get_unaligned_le32(start);
673		start = (__u8 *)((__le32 *)start + 1);
674		return start;
675	}
676
677	return NULL;
678}
679
680static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
681{
682	struct hid_device *hid = parser->device;
683
684	if (usage == HID_DG_CONTACTID)
685		hid->group = HID_GROUP_MULTITOUCH;
686}
687
688static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
689{
690	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
691	    parser->global.report_size == 8)
692		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
693}
694
695static void hid_scan_collection(struct hid_parser *parser, unsigned type)
696{
697	struct hid_device *hid = parser->device;
698
699	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
700	    type == HID_COLLECTION_PHYSICAL)
701		hid->group = HID_GROUP_SENSOR_HUB;
702}
703
704static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
705{
706	__u32 data;
707	int i;
708
709	data = item_udata(item);
710
711	switch (item->tag) {
712	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
713		hid_scan_collection(parser, data & 0xff);
714		break;
715	case HID_MAIN_ITEM_TAG_END_COLLECTION:
716		break;
717	case HID_MAIN_ITEM_TAG_INPUT:
718		for (i = 0; i < parser->local.usage_index; i++)
719			hid_scan_input_usage(parser, parser->local.usage[i]);
720		break;
721	case HID_MAIN_ITEM_TAG_OUTPUT:
722		break;
723	case HID_MAIN_ITEM_TAG_FEATURE:
724		for (i = 0; i < parser->local.usage_index; i++)
725			hid_scan_feature_usage(parser, parser->local.usage[i]);
726		break;
727	}
728
729	/* Reset the local parser environment */
730	memset(&parser->local, 0, sizeof(parser->local));
731
732	return 0;
733}
734
735/*
736 * Scan a report descriptor before the device is added to the bus.
737 * Sets device groups and other properties that determine what driver
738 * to load.
739 */
740static int hid_scan_report(struct hid_device *hid)
741{
742	struct hid_parser *parser;
743	struct hid_item item;
744	__u8 *start = hid->dev_rdesc;
745	__u8 *end = start + hid->dev_rsize;
746	static int (*dispatch_type[])(struct hid_parser *parser,
747				      struct hid_item *item) = {
748		hid_scan_main,
749		hid_parser_global,
750		hid_parser_local,
751		hid_parser_reserved
752	};
753
754	parser = vzalloc(sizeof(struct hid_parser));
755	if (!parser)
756		return -ENOMEM;
757
758	parser->device = hid;
759	hid->group = HID_GROUP_GENERIC;
760
761	/*
762	 * The parsing is simpler than the one in hid_open_report() as we should
763	 * be robust against hid errors. Those errors will be raised by
764	 * hid_open_report() anyway.
765	 */
766	while ((start = fetch_item(start, end, &item)) != NULL)
767		dispatch_type[item.type](parser, &item);
768
769	/*
770	 * Handle special flags set during scanning.
771	 */
772	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
773	    (hid->group == HID_GROUP_MULTITOUCH))
774		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
775
776	vfree(parser);
777	return 0;
778}
779
780/**
781 * hid_parse_report - parse device report
782 *
783 * @device: hid device
784 * @start: report start
785 * @size: report size
786 *
787 * Allocate the device report as read by the bus driver. This function should
788 * only be called from parse() in ll drivers.
789 */
790int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
791{
792	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
793	if (!hid->dev_rdesc)
794		return -ENOMEM;
795	hid->dev_rsize = size;
796	return 0;
797}
798EXPORT_SYMBOL_GPL(hid_parse_report);
799
800/**
801 * hid_open_report - open a driver-specific device report
802 *
803 * @device: hid device
804 *
805 * Parse a report description into a hid_device structure. Reports are
806 * enumerated, fields are attached to these reports.
807 * 0 returned on success, otherwise nonzero error value.
808 *
809 * This function (or the equivalent hid_parse() macro) should only be
810 * called from probe() in drivers, before starting the device.
811 */
812int hid_open_report(struct hid_device *device)
813{
814	struct hid_parser *parser;
815	struct hid_item item;
816	unsigned int size;
817	__u8 *start;
818	__u8 *buf;
819	__u8 *end;
820	int ret;
821	static int (*dispatch_type[])(struct hid_parser *parser,
822				      struct hid_item *item) = {
823		hid_parser_main,
824		hid_parser_global,
825		hid_parser_local,
826		hid_parser_reserved
827	};
828
829	if (WARN_ON(device->status & HID_STAT_PARSED))
830		return -EBUSY;
831
832	start = device->dev_rdesc;
833	if (WARN_ON(!start))
834		return -ENODEV;
835	size = device->dev_rsize;
836
837	buf = kmemdup(start, size, GFP_KERNEL);
838	if (buf == NULL)
839		return -ENOMEM;
840
841	if (device->driver->report_fixup)
842		start = device->driver->report_fixup(device, buf, &size);
843	else
844		start = buf;
845
846	start = kmemdup(start, size, GFP_KERNEL);
847	kfree(buf);
848	if (start == NULL)
849		return -ENOMEM;
850
851	device->rdesc = start;
852	device->rsize = size;
853
854	parser = vzalloc(sizeof(struct hid_parser));
855	if (!parser) {
856		ret = -ENOMEM;
857		goto err;
858	}
859
860	parser->device = device;
861
862	end = start + size;
863
864	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
865				     sizeof(struct hid_collection), GFP_KERNEL);
866	if (!device->collection) {
867		ret = -ENOMEM;
868		goto err;
869	}
870	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
871
872	ret = -EINVAL;
873	while ((start = fetch_item(start, end, &item)) != NULL) {
874
875		if (item.format != HID_ITEM_FORMAT_SHORT) {
876			hid_err(device, "unexpected long global item\n");
877			goto err;
878		}
879
880		if (dispatch_type[item.type](parser, &item)) {
881			hid_err(device, "item %u %u %u %u parsing failed\n",
882				item.format, (unsigned)item.size,
883				(unsigned)item.type, (unsigned)item.tag);
884			goto err;
885		}
886
887		if (start == end) {
888			if (parser->collection_stack_ptr) {
889				hid_err(device, "unbalanced collection at end of report description\n");
890				goto err;
891			}
892			if (parser->local.delimiter_depth) {
893				hid_err(device, "unbalanced delimiter at end of report description\n");
894				goto err;
895			}
896			vfree(parser);
897			device->status |= HID_STAT_PARSED;
898			return 0;
899		}
900	}
901
902	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
903err:
904	vfree(parser);
905	hid_close_report(device);
906	return ret;
907}
908EXPORT_SYMBOL_GPL(hid_open_report);
909
910/*
911 * Convert a signed n-bit integer to signed 32-bit integer. Common
912 * cases are done through the compiler, the screwed things has to be
913 * done by hand.
914 */
915
916static s32 snto32(__u32 value, unsigned n)
917{
918	switch (n) {
919	case 8:  return ((__s8)value);
920	case 16: return ((__s16)value);
921	case 32: return ((__s32)value);
922	}
923	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
924}
925
926s32 hid_snto32(__u32 value, unsigned n)
927{
928	return snto32(value, n);
929}
930EXPORT_SYMBOL_GPL(hid_snto32);
931
932/*
933 * Convert a signed 32-bit integer to a signed n-bit integer.
934 */
935
936static u32 s32ton(__s32 value, unsigned n)
937{
938	s32 a = value >> (n - 1);
939	if (a && a != -1)
940		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
941	return value & ((1 << n) - 1);
942}
943
944/*
945 * Extract/implement a data field from/to a little endian report (bit array).
946 *
947 * Code sort-of follows HID spec:
948 *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
949 *
950 * While the USB HID spec allows unlimited length bit fields in "report
951 * descriptors", most devices never use more than 16 bits.
952 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
953 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
954 */
955
956static __u32 extract(const struct hid_device *hid, __u8 *report,
957		     unsigned offset, unsigned n)
958{
959	u64 x;
960
961	if (n > 32)
962		hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
963			 n, current->comm);
964
965	report += offset >> 3;  /* adjust byte index */
966	offset &= 7;            /* now only need bit offset into one byte */
967	x = get_unaligned_le64(report);
968	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
969	return (u32) x;
970}
971
972/*
973 * "implement" : set bits in a little endian bit stream.
974 * Same concepts as "extract" (see comments above).
975 * The data mangled in the bit stream remains in little endian
976 * order the whole time. It make more sense to talk about
977 * endianness of register values by considering a register
978 * a "cached" copy of the little endiad bit stream.
979 */
980static void implement(const struct hid_device *hid, __u8 *report,
981		      unsigned offset, unsigned n, __u32 value)
982{
983	u64 x;
984	u64 m = (1ULL << n) - 1;
985
986	if (n > 32)
987		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
988			 __func__, n, current->comm);
989
990	if (value > m)
991		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
992			 __func__, value, current->comm);
993	WARN_ON(value > m);
994	value &= m;
995
996	report += offset >> 3;
997	offset &= 7;
998
999	x = get_unaligned_le64(report);
1000	x &= ~(m << offset);
1001	x |= ((u64)value) << offset;
1002	put_unaligned_le64(x, report);
1003}
1004
1005/*
1006 * Search an array for a value.
1007 */
1008
1009static int search(__s32 *array, __s32 value, unsigned n)
1010{
1011	while (n--) {
1012		if (*array++ == value)
1013			return 0;
1014	}
1015	return -1;
1016}
1017
1018/**
1019 * hid_match_report - check if driver's raw_event should be called
1020 *
1021 * @hid: hid device
1022 * @report_type: type to match against
1023 *
1024 * compare hid->driver->report_table->report_type to report->type
1025 */
1026static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1027{
1028	const struct hid_report_id *id = hid->driver->report_table;
1029
1030	if (!id) /* NULL means all */
1031		return 1;
1032
1033	for (; id->report_type != HID_TERMINATOR; id++)
1034		if (id->report_type == HID_ANY_ID ||
1035				id->report_type == report->type)
1036			return 1;
1037	return 0;
1038}
1039
1040/**
1041 * hid_match_usage - check if driver's event should be called
1042 *
1043 * @hid: hid device
1044 * @usage: usage to match against
1045 *
1046 * compare hid->driver->usage_table->usage_{type,code} to
1047 * usage->usage_{type,code}
1048 */
1049static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1050{
1051	const struct hid_usage_id *id = hid->driver->usage_table;
1052
1053	if (!id) /* NULL means all */
1054		return 1;
1055
1056	for (; id->usage_type != HID_ANY_ID - 1; id++)
1057		if ((id->usage_hid == HID_ANY_ID ||
1058				id->usage_hid == usage->hid) &&
1059				(id->usage_type == HID_ANY_ID ||
1060				id->usage_type == usage->type) &&
1061				(id->usage_code == HID_ANY_ID ||
1062				 id->usage_code == usage->code))
1063			return 1;
1064	return 0;
1065}
1066
1067static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1068		struct hid_usage *usage, __s32 value, int interrupt)
1069{
1070	struct hid_driver *hdrv = hid->driver;
1071	int ret;
1072
1073	if (!list_empty(&hid->debug_list))
1074		hid_dump_input(hid, usage, value);
1075
1076	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1077		ret = hdrv->event(hid, field, usage, value);
1078		if (ret != 0) {
1079			if (ret < 0)
1080				hid_err(hid, "%s's event failed with %d\n",
1081						hdrv->name, ret);
1082			return;
1083		}
1084	}
1085
1086	if (hid->claimed & HID_CLAIMED_INPUT)
1087		hidinput_hid_event(hid, field, usage, value);
1088	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1089		hid->hiddev_hid_event(hid, field, usage, value);
1090}
1091
1092/*
1093 * Analyse a received field, and fetch the data from it. The field
1094 * content is stored for next report processing (we do differential
1095 * reporting to the layer).
1096 */
1097
1098static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1099			    __u8 *data, int interrupt)
1100{
1101	unsigned n;
1102	unsigned count = field->report_count;
1103	unsigned offset = field->report_offset;
1104	unsigned size = field->report_size;
1105	__s32 min = field->logical_minimum;
1106	__s32 max = field->logical_maximum;
1107	__s32 *value;
1108
1109	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1110	if (!value)
1111		return;
1112
1113	for (n = 0; n < count; n++) {
1114
1115		value[n] = min < 0 ?
1116			snto32(extract(hid, data, offset + n * size, size),
1117			       size) :
1118			extract(hid, data, offset + n * size, size);
1119
1120		/* Ignore report if ErrorRollOver */
1121		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1122		    value[n] >= min && value[n] <= max &&
1123		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1124			goto exit;
1125	}
1126
1127	for (n = 0; n < count; n++) {
1128
1129		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1130			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1131			continue;
1132		}
1133
1134		if (field->value[n] >= min && field->value[n] <= max
1135			&& field->usage[field->value[n] - min].hid
1136			&& search(value, field->value[n], count))
1137				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1138
1139		if (value[n] >= min && value[n] <= max
1140			&& field->usage[value[n] - min].hid
1141			&& search(field->value, value[n], count))
1142				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1143	}
1144
1145	memcpy(field->value, value, count * sizeof(__s32));
1146exit:
1147	kfree(value);
1148}
1149
1150/*
1151 * Output the field into the report.
1152 */
1153
1154static void hid_output_field(const struct hid_device *hid,
1155			     struct hid_field *field, __u8 *data)
1156{
1157	unsigned count = field->report_count;
1158	unsigned offset = field->report_offset;
1159	unsigned size = field->report_size;
1160	unsigned n;
1161
1162	for (n = 0; n < count; n++) {
1163		if (field->logical_minimum < 0)	/* signed values */
1164			implement(hid, data, offset + n * size, size,
1165				  s32ton(field->value[n], size));
1166		else				/* unsigned values */
1167			implement(hid, data, offset + n * size, size,
1168				  field->value[n]);
1169	}
1170}
1171
1172/*
1173 * Create a report.
1174 */
1175
1176void hid_output_report(struct hid_report *report, __u8 *data)
1177{
1178	unsigned n;
1179
1180	if (report->id > 0)
1181		*data++ = report->id;
1182
1183	memset(data, 0, ((report->size - 1) >> 3) + 1);
1184	for (n = 0; n < report->maxfield; n++)
1185		hid_output_field(report->device, report->field[n], data);
1186}
1187EXPORT_SYMBOL_GPL(hid_output_report);
1188
1189/*
1190 * Set a field value. The report this field belongs to has to be
1191 * created and transferred to the device, to set this value in the
1192 * device.
1193 */
1194
1195int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1196{
1197	unsigned size = field->report_size;
1198
1199	hid_dump_input(field->report->device, field->usage + offset, value);
1200
1201	if (offset >= field->report_count) {
1202		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1203				offset, field->report_count);
1204		return -1;
1205	}
1206	if (field->logical_minimum < 0) {
1207		if (value != snto32(s32ton(value, size), size)) {
1208			hid_err(field->report->device, "value %d is out of range\n", value);
1209			return -1;
1210		}
1211	}
1212	field->value[offset] = value;
1213	return 0;
1214}
1215EXPORT_SYMBOL_GPL(hid_set_field);
1216
1217static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1218		const u8 *data)
1219{
1220	struct hid_report *report;
1221	unsigned int n = 0;	/* Normally report number is 0 */
1222
1223	/* Device uses numbered reports, data[0] is report number */
1224	if (report_enum->numbered)
1225		n = *data;
1226
1227	report = report_enum->report_id_hash[n];
1228	if (report == NULL)
1229		dbg_hid("undefined report_id %u received\n", n);
1230
1231	return report;
1232}
1233
1234int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1235		int interrupt)
1236{
1237	struct hid_report_enum *report_enum = hid->report_enum + type;
1238	struct hid_report *report;
1239	struct hid_driver *hdrv;
1240	unsigned int a;
1241	int rsize, csize = size;
1242	u8 *cdata = data;
1243	int ret = 0;
1244
1245	report = hid_get_report(report_enum, data);
1246	if (!report)
1247		goto out;
1248
1249	if (report_enum->numbered) {
1250		cdata++;
1251		csize--;
1252	}
1253
1254	rsize = ((report->size - 1) >> 3) + 1;
1255
1256	if (rsize > HID_MAX_BUFFER_SIZE)
1257		rsize = HID_MAX_BUFFER_SIZE;
1258
1259	if (csize < rsize) {
1260		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1261				csize, rsize);
1262		memset(cdata + csize, 0, rsize - csize);
1263	}
1264
1265	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1266		hid->hiddev_report_event(hid, report);
1267	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1268		ret = hidraw_report_event(hid, data, size);
1269		if (ret)
1270			goto out;
1271	}
1272
1273	if (hid->claimed != HID_CLAIMED_HIDRAW) {
1274		for (a = 0; a < report->maxfield; a++)
1275			hid_input_field(hid, report->field[a], cdata, interrupt);
1276		hdrv = hid->driver;
1277		if (hdrv && hdrv->report)
1278			hdrv->report(hid, report);
1279	}
1280
1281	if (hid->claimed & HID_CLAIMED_INPUT)
1282		hidinput_report_event(hid, report);
1283out:
1284	return ret;
1285}
1286EXPORT_SYMBOL_GPL(hid_report_raw_event);
1287
1288/**
1289 * hid_input_report - report data from lower layer (usb, bt...)
1290 *
1291 * @hid: hid device
1292 * @type: HID report type (HID_*_REPORT)
1293 * @data: report contents
1294 * @size: size of data parameter
1295 * @interrupt: distinguish between interrupt and control transfers
1296 *
1297 * This is data entry for lower layers.
1298 */
1299int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1300{
1301	struct hid_report_enum *report_enum;
1302	struct hid_driver *hdrv;
1303	struct hid_report *report;
1304	int ret = 0;
1305
1306	if (!hid)
1307		return -ENODEV;
1308
1309	if (down_trylock(&hid->driver_input_lock))
1310		return -EBUSY;
1311
1312	if (!hid->driver) {
1313		ret = -ENODEV;
1314		goto unlock;
1315	}
1316	report_enum = hid->report_enum + type;
1317	hdrv = hid->driver;
1318
1319	if (!size) {
1320		dbg_hid("empty report\n");
1321		ret = -1;
1322		goto unlock;
1323	}
1324
1325	/* Avoid unnecessary overhead if debugfs is disabled */
1326	if (!list_empty(&hid->debug_list))
1327		hid_dump_report(hid, type, data, size);
1328
1329	report = hid_get_report(report_enum, data);
1330
1331	if (!report) {
1332		ret = -1;
1333		goto unlock;
1334	}
1335
1336	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1337		ret = hdrv->raw_event(hid, report, data, size);
1338		if (ret < 0) {
1339			ret = ret < 0 ? ret : 0;
1340			goto unlock;
1341		}
1342	}
1343
1344	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1345
1346unlock:
1347	up(&hid->driver_input_lock);
1348	return ret;
1349}
1350EXPORT_SYMBOL_GPL(hid_input_report);
1351
1352static bool hid_match_one_id(struct hid_device *hdev,
1353		const struct hid_device_id *id)
1354{
1355	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1356		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1357		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1358		(id->product == HID_ANY_ID || id->product == hdev->product);
1359}
1360
1361const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1362		const struct hid_device_id *id)
1363{
1364	for (; id->bus; id++)
1365		if (hid_match_one_id(hdev, id))
1366			return id;
1367
1368	return NULL;
1369}
1370
1371static const struct hid_device_id hid_hiddev_list[] = {
1372	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1373	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1374	{ }
1375};
1376
1377static bool hid_hiddev(struct hid_device *hdev)
1378{
1379	return !!hid_match_id(hdev, hid_hiddev_list);
1380}
1381
1382
1383static ssize_t
1384read_report_descriptor(struct file *filp, struct kobject *kobj,
1385		struct bin_attribute *attr,
1386		char *buf, loff_t off, size_t count)
1387{
1388	struct device *dev = container_of(kobj, struct device, kobj);
1389	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1390
1391	if (off >= hdev->rsize)
1392		return 0;
1393
1394	if (off + count > hdev->rsize)
1395		count = hdev->rsize - off;
1396
1397	memcpy(buf, hdev->rdesc + off, count);
1398
1399	return count;
1400}
1401
1402static struct bin_attribute dev_bin_attr_report_desc = {
1403	.attr = { .name = "report_descriptor", .mode = 0444 },
1404	.read = read_report_descriptor,
1405	.size = HID_MAX_DESCRIPTOR_SIZE,
1406};
1407
1408int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1409{
1410	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1411		"Joystick", "Gamepad", "Keyboard", "Keypad",
1412		"Multi-Axis Controller"
1413	};
1414	const char *type, *bus;
1415	char buf[64];
1416	unsigned int i;
1417	int len;
1418	int ret;
1419
1420	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1421		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1422	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1423		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1424	if (hdev->bus != BUS_USB)
1425		connect_mask &= ~HID_CONNECT_HIDDEV;
1426	if (hid_hiddev(hdev))
1427		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1428
1429	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1430				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1431		hdev->claimed |= HID_CLAIMED_INPUT;
1432
1433	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1434			!hdev->hiddev_connect(hdev,
1435				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1436		hdev->claimed |= HID_CLAIMED_HIDDEV;
1437	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1438		hdev->claimed |= HID_CLAIMED_HIDRAW;
1439
1440	/* Drivers with the ->raw_event callback set are not required to connect
1441	 * to any other listener. */
1442	if (!hdev->claimed && !hdev->driver->raw_event) {
1443		hid_err(hdev, "device has no listeners, quitting\n");
1444		return -ENODEV;
1445	}
1446
1447	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1448			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1449		hdev->ff_init(hdev);
1450
1451	len = 0;
1452	if (hdev->claimed & HID_CLAIMED_INPUT)
1453		len += sprintf(buf + len, "input");
1454	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1455		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1456				hdev->minor);
1457	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1458		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1459				((struct hidraw *)hdev->hidraw)->minor);
1460
1461	type = "Device";
1462	for (i = 0; i < hdev->maxcollection; i++) {
1463		struct hid_collection *col = &hdev->collection[i];
1464		if (col->type == HID_COLLECTION_APPLICATION &&
1465		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1466		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1467			type = types[col->usage & 0xffff];
1468			break;
1469		}
1470	}
1471
1472	switch (hdev->bus) {
1473	case BUS_USB:
1474		bus = "USB";
1475		break;
1476	case BUS_BLUETOOTH:
1477		bus = "BLUETOOTH";
1478		break;
1479	default:
1480		bus = "<UNKNOWN>";
1481	}
1482
1483	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1484	if (ret)
1485		hid_warn(hdev,
1486			 "can't create sysfs report descriptor attribute err: %d\n", ret);
1487
1488	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1489		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1490		 type, hdev->name, hdev->phys);
1491
1492	return 0;
1493}
1494EXPORT_SYMBOL_GPL(hid_connect);
1495
1496void hid_disconnect(struct hid_device *hdev)
1497{
1498	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1499	if (hdev->claimed & HID_CLAIMED_INPUT)
1500		hidinput_disconnect(hdev);
1501	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1502		hdev->hiddev_disconnect(hdev);
1503	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1504		hidraw_disconnect(hdev);
1505}
1506EXPORT_SYMBOL_GPL(hid_disconnect);
1507
1508/*
1509 * A list of devices for which there is a specialized driver on HID bus.
1510 *
1511 * Please note that for multitouch devices (driven by hid-multitouch driver),
1512 * there is a proper autodetection and autoloading in place (based on presence
1513 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1514 * as we are doing the right thing in hid_scan_usage().
1515 *
1516 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1517 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1518 * used as a driver. See hid_scan_report().
1519 */
1520static const struct hid_device_id hid_have_special_driver[] = {
1521	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1522	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1523	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1524	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1525	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1526	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1527	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1528	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1529	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1530	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1531	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1532	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1533	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1534	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1535	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1536	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1537	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1538	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1539	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1540	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1541	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1542	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1543	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1544	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1545	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1546	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1547	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1548	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1549	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1550	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1551	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1552	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1553	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1554	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1555	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1556	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1557	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1558	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1559	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1560	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1561	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1562	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1563	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1564	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1565	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1566	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1567	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1568	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1569	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1570	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1571	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1572	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1573	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1574	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1575	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1576	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1577	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1578	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1579	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1580	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1581	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1582	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1583	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1584	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1585	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1586	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1587	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1588	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1589	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1590	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1591	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1592	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1593	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1594	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1595	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1596	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1597	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1598	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1599	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1600	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1601	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1602	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1603	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1604	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1605	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1606	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1607	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1608	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1609	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1610	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1611	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1612	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1613	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1614	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1615	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1616	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1617	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1618	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1619	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1620	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1621	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1622	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1623	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1624	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1625	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1626	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1627	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1628	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1629	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1630	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1631	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1632	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1633	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) },
1634	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1635	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1636	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1637	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1638	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1639	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1640	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1641	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1642	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1643	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1644	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1645#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
1646	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1647#endif
1648	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1649	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1650	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1651	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1652	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1653	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1654	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1655	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1656	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1657	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1658	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1659	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1660	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1661	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1662	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1663	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1664	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1665	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1666	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1667	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1668	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1669	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1670	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1671	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1672	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1673#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1674	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1675	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1676#endif
1677	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1678	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1679	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1680	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1681	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1682	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1683	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1684	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1685	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1686	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1687	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1688	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1689	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1690	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1691	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1692	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1693	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1694	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1695	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1696	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1697	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1698	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1699	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1700	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1701	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1702	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1703	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1704	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1705	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1706	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1707	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1708	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1709	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1710	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1711	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1712	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1713	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1714	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1715#if IS_ENABLED(CONFIG_HID_ROCCAT)
1716	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1717	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1718	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1719	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1720	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1721	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1722	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1723	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1724	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1725	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1726#endif
1727	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1728	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1729	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1730	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1731	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1732	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1733	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1734	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1735	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1736	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1737	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1738	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1739	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1740	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1741	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1742	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1743	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1744	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1745	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1746	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1747	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1748	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1749	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1750	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1751	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1752	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1753	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1754	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1755	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1756	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1757	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1758	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1759	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1760	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1761	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1762	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1763	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1764	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1765	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1766	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1767	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1768	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1769	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1770	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1771	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1772	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1773	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1774	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1775	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1776	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
1777	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1778	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1779	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1780	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1781
1782	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1783	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1784	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
1785	{ }
1786};
1787
1788struct hid_dynid {
1789	struct list_head list;
1790	struct hid_device_id id;
1791};
1792
1793/**
1794 * store_new_id - add a new HID device ID to this driver and re-probe devices
1795 * @driver: target device driver
1796 * @buf: buffer for scanning device ID data
1797 * @count: input size
1798 *
1799 * Adds a new dynamic hid device ID to this driver,
1800 * and causes the driver to probe for all devices again.
1801 */
1802static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1803		size_t count)
1804{
1805	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1806	struct hid_dynid *dynid;
1807	__u32 bus, vendor, product;
1808	unsigned long driver_data = 0;
1809	int ret;
1810
1811	ret = sscanf(buf, "%x %x %x %lx",
1812			&bus, &vendor, &product, &driver_data);
1813	if (ret < 3)
1814		return -EINVAL;
1815
1816	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1817	if (!dynid)
1818		return -ENOMEM;
1819
1820	dynid->id.bus = bus;
1821	dynid->id.group = HID_GROUP_ANY;
1822	dynid->id.vendor = vendor;
1823	dynid->id.product = product;
1824	dynid->id.driver_data = driver_data;
1825
1826	spin_lock(&hdrv->dyn_lock);
1827	list_add_tail(&dynid->list, &hdrv->dyn_list);
1828	spin_unlock(&hdrv->dyn_lock);
1829
1830	ret = driver_attach(&hdrv->driver);
1831
1832	return ret ? : count;
1833}
1834static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1835
1836static void hid_free_dynids(struct hid_driver *hdrv)
1837{
1838	struct hid_dynid *dynid, *n;
1839
1840	spin_lock(&hdrv->dyn_lock);
1841	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1842		list_del(&dynid->list);
1843		kfree(dynid);
1844	}
1845	spin_unlock(&hdrv->dyn_lock);
1846}
1847
1848static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1849		struct hid_driver *hdrv)
1850{
1851	struct hid_dynid *dynid;
1852
1853	spin_lock(&hdrv->dyn_lock);
1854	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1855		if (hid_match_one_id(hdev, &dynid->id)) {
1856			spin_unlock(&hdrv->dyn_lock);
1857			return &dynid->id;
1858		}
1859	}
1860	spin_unlock(&hdrv->dyn_lock);
1861
1862	return hid_match_id(hdev, hdrv->id_table);
1863}
1864
1865static int hid_bus_match(struct device *dev, struct device_driver *drv)
1866{
1867	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1868	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1869
1870	return hid_match_device(hdev, hdrv) != NULL;
1871}
1872
1873static int hid_device_probe(struct device *dev)
1874{
1875	struct hid_driver *hdrv = container_of(dev->driver,
1876			struct hid_driver, driver);
1877	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1878	const struct hid_device_id *id;
1879	int ret = 0;
1880
1881	if (down_interruptible(&hdev->driver_lock))
1882		return -EINTR;
1883	if (down_interruptible(&hdev->driver_input_lock)) {
1884		ret = -EINTR;
1885		goto unlock_driver_lock;
1886	}
1887	hdev->io_started = false;
1888
1889	if (!hdev->driver) {
1890		id = hid_match_device(hdev, hdrv);
1891		if (id == NULL) {
1892			ret = -ENODEV;
1893			goto unlock;
1894		}
1895
1896		hdev->driver = hdrv;
1897		if (hdrv->probe) {
1898			ret = hdrv->probe(hdev, id);
1899		} else { /* default probe */
1900			ret = hid_open_report(hdev);
1901			if (!ret)
1902				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1903		}
1904		if (ret) {
1905			hid_close_report(hdev);
1906			hdev->driver = NULL;
1907		}
1908	}
1909unlock:
1910	if (!hdev->io_started)
1911		up(&hdev->driver_input_lock);
1912unlock_driver_lock:
1913	up(&hdev->driver_lock);
1914	return ret;
1915}
1916
1917static int hid_device_remove(struct device *dev)
1918{
1919	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1920	struct hid_driver *hdrv;
1921	int ret = 0;
1922
1923	if (down_interruptible(&hdev->driver_lock))
1924		return -EINTR;
1925	if (down_interruptible(&hdev->driver_input_lock)) {
1926		ret = -EINTR;
1927		goto unlock_driver_lock;
1928	}
1929	hdev->io_started = false;
1930
1931	hdrv = hdev->driver;
1932	if (hdrv) {
1933		if (hdrv->remove)
1934			hdrv->remove(hdev);
1935		else /* default remove */
1936			hid_hw_stop(hdev);
1937		hid_close_report(hdev);
1938		hdev->driver = NULL;
1939	}
1940
1941	if (!hdev->io_started)
1942		up(&hdev->driver_input_lock);
1943unlock_driver_lock:
1944	up(&hdev->driver_lock);
1945	return ret;
1946}
1947
1948static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
1949			     char *buf)
1950{
1951	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1952	int len;
1953
1954	len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
1955		       hdev->bus, hdev->group, hdev->vendor, hdev->product);
1956
1957	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
1958}
1959
1960static struct device_attribute hid_dev_attrs[] = {
1961	__ATTR_RO(modalias),
1962	__ATTR_NULL,
1963};
1964
1965static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1966{
1967	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1968
1969	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1970			hdev->bus, hdev->vendor, hdev->product))
1971		return -ENOMEM;
1972
1973	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1974		return -ENOMEM;
1975
1976	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1977		return -ENOMEM;
1978
1979	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1980		return -ENOMEM;
1981
1982	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
1983			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
1984		return -ENOMEM;
1985
1986	return 0;
1987}
1988
1989static struct bus_type hid_bus_type = {
1990	.name		= "hid",
1991	.dev_attrs	= hid_dev_attrs,
1992	.match		= hid_bus_match,
1993	.probe		= hid_device_probe,
1994	.remove		= hid_device_remove,
1995	.uevent		= hid_uevent,
1996};
1997
1998/* a list of devices that shouldn't be handled by HID core at all */
1999static const struct hid_device_id hid_ignore_list[] = {
2000	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2001	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2002	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2003	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2004	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2005	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2006	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2007	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2008	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2009	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2010	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2011	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2012	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2013	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2014	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2015	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2016	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2017	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2018	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2019	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2020	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2021	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2022	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2023	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2024	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2025	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2026	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2027	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2028	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2029	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2030	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2031	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2032	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2033	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2034	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2035	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2036	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2037	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2038	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2039	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2040	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2041	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2042	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2043	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2044	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2045	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2046	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2047	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2048	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2049	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2050	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2051	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2052	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2053	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2054	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2055	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2056	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2057	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2058	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2059	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2060	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2061	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2062	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2063	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2064	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2065	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2066	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2067	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2068	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2069	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2070	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2071	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2072	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2073	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2074	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2075	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2076	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2077	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2078	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2079	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2080	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2081	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2082	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2083	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2084	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2085	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2086	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2087	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2088	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2089	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2090	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2091	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2092	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2093	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2094	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2095	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2096	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2097	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2098	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2099	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2100	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2101	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2102	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2103	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2104	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2105	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2106	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2107	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2108	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2109	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2110	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2111	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2112	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2113	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2114	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2115	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2116	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2117	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2118	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2119	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2120	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2121	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2122	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2123	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2124	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2125	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2126	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2127	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2128	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2129	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2130	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2131	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2132	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2133	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2134	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2135	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2136	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2137	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2138	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2139	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2140	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2141	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2142	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2143	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2144	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2145	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2146	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2147	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2148	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2149	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2150	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2151	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2152	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2153	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2154	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2155#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2156	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2157	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2158	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2159	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2160	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2161	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2162	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2163	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2164#endif
2165	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2166	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2167	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2168	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2169	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2170	{ HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2171	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2172	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2173	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2174	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2175	{ }
2176};
2177
2178/**
2179 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2180 *
2181 * There are composite devices for which we want to ignore only a certain
2182 * interface. This is a list of devices for which only the mouse interface will
2183 * be ignored. This allows a dedicated driver to take care of the interface.
2184 */
2185static const struct hid_device_id hid_mouse_ignore_list[] = {
2186	/* appletouch driver */
2187	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2188	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2189	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2190	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2191	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2192	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2193	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2194	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2195	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2196	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2197	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2198	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2199	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2200	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2201	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2202	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2203	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2204	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2205	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2206	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2207	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2208	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2209	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2210	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2211	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2212	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2213	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2214	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2215	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2216	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2217	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2218	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2219	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2220	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2221	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2222	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2223	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2224	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2225	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2226	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2227	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2228	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2229	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2230	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2231	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2232	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2233	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2234	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2235	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2236	{ }
2237};
2238
2239bool hid_ignore(struct hid_device *hdev)
2240{
2241	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2242		return false;
2243	if (hdev->quirks & HID_QUIRK_IGNORE)
2244		return true;
2245
2246	switch (hdev->vendor) {
2247	case USB_VENDOR_ID_CODEMERCS:
2248		/* ignore all Code Mercenaries IOWarrior devices */
2249		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2250				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2251			return true;
2252		break;
2253	case USB_VENDOR_ID_LOGITECH:
2254		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2255				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2256			return true;
2257		/*
2258		 * The Keene FM transmitter USB device has the same USB ID as
2259		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2260		 * Check if the name is that of the Keene device.
2261		 * For reference: the name of the AudioHub is
2262		 * "HOLTEK  AudioHub Speaker".
2263		 */
2264		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2265			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2266				return true;
2267		break;
2268	case USB_VENDOR_ID_SOUNDGRAPH:
2269		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2270		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2271			return true;
2272		break;
2273	case USB_VENDOR_ID_HANWANG:
2274		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2275		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2276			return true;
2277		break;
2278	case USB_VENDOR_ID_JESS:
2279		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2280				hdev->type == HID_TYPE_USBNONE)
2281			return true;
2282		break;
2283	case USB_VENDOR_ID_DWAV:
2284		/* These are handled by usbtouchscreen. hdev->type is probably
2285		 * HID_TYPE_USBNONE, but we say !HID_TYPE_USBMOUSE to match
2286		 * usbtouchscreen. */
2287		if ((hdev->product == USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER ||
2288		     hdev->product == USB_DEVICE_ID_DWAV_TOUCHCONTROLLER) &&
2289		    hdev->type != HID_TYPE_USBMOUSE)
2290			return true;
2291		break;
2292	case USB_VENDOR_ID_VELLEMAN:
2293		/* These are not HID devices.  They are handled by comedi. */
2294		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2295		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2296		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2297		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2298			return true;
2299		break;
2300	case USB_VENDOR_ID_ATMEL_V_USB:
2301		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2302		 * it has the same USB ID as many Atmel V-USB devices. This
2303		 * usb radio is handled by radio-ma901.c driver so we want
2304		 * ignore the hid. Check the name, bus, product and ignore
2305		 * if we have MA901 usb radio.
2306		 */
2307		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2308			hdev->bus == BUS_USB &&
2309			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2310			return true;
2311		break;
2312	}
2313
2314	if (hdev->type == HID_TYPE_USBMOUSE &&
2315			hid_match_id(hdev, hid_mouse_ignore_list))
2316		return true;
2317
2318	return !!hid_match_id(hdev, hid_ignore_list);
2319}
2320EXPORT_SYMBOL_GPL(hid_ignore);
2321
2322int hid_add_device(struct hid_device *hdev)
2323{
2324	static atomic_t id = ATOMIC_INIT(0);
2325	int ret;
2326
2327	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2328		return -EBUSY;
2329
2330	/* we need to kill them here, otherwise they will stay allocated to
2331	 * wait for coming driver */
2332	if (hid_ignore(hdev))
2333		return -ENODEV;
2334
2335	/*
2336	 * Read the device report descriptor once and use as template
2337	 * for the driver-specific modifications.
2338	 */
2339	ret = hdev->ll_driver->parse(hdev);
2340	if (ret)
2341		return ret;
2342	if (!hdev->dev_rdesc)
2343		return -ENODEV;
2344
2345	/*
2346	 * Scan generic devices for group information
2347	 */
2348	if (hid_ignore_special_drivers ||
2349	    !hid_match_id(hdev, hid_have_special_driver)) {
2350		ret = hid_scan_report(hdev);
2351		if (ret)
2352			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2353	}
2354
2355	/* XXX hack, any other cleaner solution after the driver core
2356	 * is converted to allow more than 20 bytes as the device name? */
2357	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2358		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2359
2360	hid_debug_register(hdev, dev_name(&hdev->dev));
2361	ret = device_add(&hdev->dev);
2362	if (!ret)
2363		hdev->status |= HID_STAT_ADDED;
2364	else
2365		hid_debug_unregister(hdev);
2366
2367	return ret;
2368}
2369EXPORT_SYMBOL_GPL(hid_add_device);
2370
2371/**
2372 * hid_allocate_device - allocate new hid device descriptor
2373 *
2374 * Allocate and initialize hid device, so that hid_destroy_device might be
2375 * used to free it.
2376 *
2377 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2378 * error value.
2379 */
2380struct hid_device *hid_allocate_device(void)
2381{
2382	struct hid_device *hdev;
2383	int ret = -ENOMEM;
2384
2385	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2386	if (hdev == NULL)
2387		return ERR_PTR(ret);
2388
2389	device_initialize(&hdev->dev);
2390	hdev->dev.release = hid_device_release;
2391	hdev->dev.bus = &hid_bus_type;
2392
2393	hid_close_report(hdev);
2394
2395	init_waitqueue_head(&hdev->debug_wait);
2396	INIT_LIST_HEAD(&hdev->debug_list);
2397	spin_lock_init(&hdev->debug_list_lock);
2398	sema_init(&hdev->driver_lock, 1);
2399	sema_init(&hdev->driver_input_lock, 1);
2400
2401	return hdev;
2402}
2403EXPORT_SYMBOL_GPL(hid_allocate_device);
2404
2405static void hid_remove_device(struct hid_device *hdev)
2406{
2407	if (hdev->status & HID_STAT_ADDED) {
2408		device_del(&hdev->dev);
2409		hid_debug_unregister(hdev);
2410		hdev->status &= ~HID_STAT_ADDED;
2411	}
2412	kfree(hdev->dev_rdesc);
2413	hdev->dev_rdesc = NULL;
2414	hdev->dev_rsize = 0;
2415}
2416
2417/**
2418 * hid_destroy_device - free previously allocated device
2419 *
2420 * @hdev: hid device
2421 *
2422 * If you allocate hid_device through hid_allocate_device, you should ever
2423 * free by this function.
2424 */
2425void hid_destroy_device(struct hid_device *hdev)
2426{
2427	hid_remove_device(hdev);
2428	put_device(&hdev->dev);
2429}
2430EXPORT_SYMBOL_GPL(hid_destroy_device);
2431
2432int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2433		const char *mod_name)
2434{
2435	int ret;
2436
2437	hdrv->driver.name = hdrv->name;
2438	hdrv->driver.bus = &hid_bus_type;
2439	hdrv->driver.owner = owner;
2440	hdrv->driver.mod_name = mod_name;
2441
2442	INIT_LIST_HEAD(&hdrv->dyn_list);
2443	spin_lock_init(&hdrv->dyn_lock);
2444
2445	ret = driver_register(&hdrv->driver);
2446	if (ret)
2447		return ret;
2448
2449	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2450	if (ret)
2451		driver_unregister(&hdrv->driver);
2452
2453	return ret;
2454}
2455EXPORT_SYMBOL_GPL(__hid_register_driver);
2456
2457void hid_unregister_driver(struct hid_driver *hdrv)
2458{
2459	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2460	driver_unregister(&hdrv->driver);
2461	hid_free_dynids(hdrv);
2462}
2463EXPORT_SYMBOL_GPL(hid_unregister_driver);
2464
2465int hid_check_keys_pressed(struct hid_device *hid)
2466{
2467	struct hid_input *hidinput;
2468	int i;
2469
2470	if (!(hid->claimed & HID_CLAIMED_INPUT))
2471		return 0;
2472
2473	list_for_each_entry(hidinput, &hid->inputs, list) {
2474		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2475			if (hidinput->input->key[i])
2476				return 1;
2477	}
2478
2479	return 0;
2480}
2481
2482EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2483
2484static int __init hid_init(void)
2485{
2486	int ret;
2487
2488	if (hid_debug)
2489		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2490			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2491
2492	ret = bus_register(&hid_bus_type);
2493	if (ret) {
2494		pr_err("can't register hid bus\n");
2495		goto err;
2496	}
2497
2498	ret = hidraw_init();
2499	if (ret)
2500		goto err_bus;
2501
2502	hid_debug_init();
2503
2504	return 0;
2505err_bus:
2506	bus_unregister(&hid_bus_type);
2507err:
2508	return ret;
2509}
2510
2511static void __exit hid_exit(void)
2512{
2513	hid_debug_exit();
2514	hidraw_exit();
2515	bus_unregister(&hid_bus_type);
2516}
2517
2518module_init(hid_init);
2519module_exit(hid_exit);
2520
2521MODULE_AUTHOR("Andreas Gal");
2522MODULE_AUTHOR("Vojtech Pavlik");
2523MODULE_AUTHOR("Jiri Kosina");
2524MODULE_LICENSE(DRIVER_LICENSE);
2525
2526