xref: /openbmc/linux/drivers/hid/hid-core.c (revision 7aacf86b)
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 
47 int hid_debug = 0;
48 module_param_named(debug, hid_debug, int, 0600);
49 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
50 EXPORT_SYMBOL_GPL(hid_debug);
51 
52 static int hid_ignore_special_drivers = 0;
53 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
54 MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
55 
56 /*
57  * Register a new report for a device.
58  */
59 
60 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
61 {
62 	struct hid_report_enum *report_enum = device->report_enum + type;
63 	struct hid_report *report;
64 
65 	if (id >= HID_MAX_IDS)
66 		return NULL;
67 	if (report_enum->report_id_hash[id])
68 		return report_enum->report_id_hash[id];
69 
70 	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
71 	if (!report)
72 		return NULL;
73 
74 	if (id != 0)
75 		report_enum->numbered = 1;
76 
77 	report->id = id;
78 	report->type = type;
79 	report->size = 0;
80 	report->device = device;
81 	report_enum->report_id_hash[id] = report;
82 
83 	list_add_tail(&report->list, &report_enum->report_list);
84 
85 	return report;
86 }
87 EXPORT_SYMBOL_GPL(hid_register_report);
88 
89 /*
90  * Register a new field for this report.
91  */
92 
93 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
94 {
95 	struct hid_field *field;
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 	return field;
115 }
116 
117 /*
118  * Open a collection. The type/usage is pushed on the stack.
119  */
120 
121 static int open_collection(struct hid_parser *parser, unsigned type)
122 {
123 	struct hid_collection *collection;
124 	unsigned usage;
125 
126 	usage = parser->local.usage[0];
127 
128 	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
129 		hid_err(parser->device, "collection stack overflow\n");
130 		return -EINVAL;
131 	}
132 
133 	if (parser->device->maxcollection == parser->device->collection_size) {
134 		collection = kmalloc(sizeof(struct hid_collection) *
135 				parser->device->collection_size * 2, GFP_KERNEL);
136 		if (collection == NULL) {
137 			hid_err(parser->device, "failed to reallocate collection array\n");
138 			return -ENOMEM;
139 		}
140 		memcpy(collection, parser->device->collection,
141 			sizeof(struct hid_collection) *
142 			parser->device->collection_size);
143 		memset(collection + parser->device->collection_size, 0,
144 			sizeof(struct hid_collection) *
145 			parser->device->collection_size);
146 		kfree(parser->device->collection);
147 		parser->device->collection = collection;
148 		parser->device->collection_size *= 2;
149 	}
150 
151 	parser->collection_stack[parser->collection_stack_ptr++] =
152 		parser->device->maxcollection;
153 
154 	collection = parser->device->collection +
155 		parser->device->maxcollection++;
156 	collection->type = type;
157 	collection->usage = usage;
158 	collection->level = parser->collection_stack_ptr - 1;
159 
160 	if (type == HID_COLLECTION_APPLICATION)
161 		parser->device->maxapplication++;
162 
163 	return 0;
164 }
165 
166 /*
167  * Close a collection.
168  */
169 
170 static int close_collection(struct hid_parser *parser)
171 {
172 	if (!parser->collection_stack_ptr) {
173 		hid_err(parser->device, "collection stack underflow\n");
174 		return -EINVAL;
175 	}
176 	parser->collection_stack_ptr--;
177 	return 0;
178 }
179 
180 /*
181  * Climb up the stack, search for the specified collection type
182  * and return the usage.
183  */
184 
185 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
186 {
187 	struct hid_collection *collection = parser->device->collection;
188 	int n;
189 
190 	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
191 		unsigned index = parser->collection_stack[n];
192 		if (collection[index].type == type)
193 			return collection[index].usage;
194 	}
195 	return 0; /* we know nothing about this usage type */
196 }
197 
198 /*
199  * Add a usage to the temporary parser table.
200  */
201 
202 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
203 {
204 	if (parser->local.usage_index >= HID_MAX_USAGES) {
205 		hid_err(parser->device, "usage index exceeded\n");
206 		return -1;
207 	}
208 	parser->local.usage[parser->local.usage_index] = usage;
209 	parser->local.collection_index[parser->local.usage_index] =
210 		parser->collection_stack_ptr ?
211 		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
212 	parser->local.usage_index++;
213 	return 0;
214 }
215 
216 /*
217  * Register a new field for this report.
218  */
219 
220 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
221 {
222 	struct hid_report *report;
223 	struct hid_field *field;
224 	unsigned usages;
225 	unsigned offset;
226 	unsigned i;
227 
228 	report = hid_register_report(parser->device, report_type, parser->global.report_id);
229 	if (!report) {
230 		hid_err(parser->device, "hid_register_report failed\n");
231 		return -1;
232 	}
233 
234 	/* Handle both signed and unsigned cases properly */
235 	if ((parser->global.logical_minimum < 0 &&
236 		parser->global.logical_maximum <
237 		parser->global.logical_minimum) ||
238 		(parser->global.logical_minimum >= 0 &&
239 		(__u32)parser->global.logical_maximum <
240 		(__u32)parser->global.logical_minimum)) {
241 		dbg_hid("logical range invalid 0x%x 0x%x\n",
242 			parser->global.logical_minimum,
243 			parser->global.logical_maximum);
244 		return -1;
245 	}
246 
247 	offset = report->size;
248 	report->size += parser->global.report_size * parser->global.report_count;
249 
250 	if (!parser->local.usage_index) /* Ignore padding fields */
251 		return 0;
252 
253 	usages = max_t(unsigned, parser->local.usage_index,
254 				 parser->global.report_count);
255 
256 	field = hid_register_field(report, usages, parser->global.report_count);
257 	if (!field)
258 		return 0;
259 
260 	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
261 	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
262 	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
263 
264 	for (i = 0; i < usages; i++) {
265 		unsigned j = i;
266 		/* Duplicate the last usage we parsed if we have excess values */
267 		if (i >= parser->local.usage_index)
268 			j = parser->local.usage_index - 1;
269 		field->usage[i].hid = parser->local.usage[j];
270 		field->usage[i].collection_index =
271 			parser->local.collection_index[j];
272 		field->usage[i].usage_index = i;
273 	}
274 
275 	field->maxusage = usages;
276 	field->flags = flags;
277 	field->report_offset = offset;
278 	field->report_type = report_type;
279 	field->report_size = parser->global.report_size;
280 	field->report_count = parser->global.report_count;
281 	field->logical_minimum = parser->global.logical_minimum;
282 	field->logical_maximum = parser->global.logical_maximum;
283 	field->physical_minimum = parser->global.physical_minimum;
284 	field->physical_maximum = parser->global.physical_maximum;
285 	field->unit_exponent = parser->global.unit_exponent;
286 	field->unit = parser->global.unit;
287 
288 	return 0;
289 }
290 
291 /*
292  * Read data value from item.
293  */
294 
295 static u32 item_udata(struct hid_item *item)
296 {
297 	switch (item->size) {
298 	case 1: return item->data.u8;
299 	case 2: return item->data.u16;
300 	case 4: return item->data.u32;
301 	}
302 	return 0;
303 }
304 
305 static s32 item_sdata(struct hid_item *item)
306 {
307 	switch (item->size) {
308 	case 1: return item->data.s8;
309 	case 2: return item->data.s16;
310 	case 4: return item->data.s32;
311 	}
312 	return 0;
313 }
314 
315 /*
316  * Process a global item.
317  */
318 
319 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
320 {
321 	__s32 raw_value;
322 	switch (item->tag) {
323 	case HID_GLOBAL_ITEM_TAG_PUSH:
324 
325 		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
326 			hid_err(parser->device, "global environment stack overflow\n");
327 			return -1;
328 		}
329 
330 		memcpy(parser->global_stack + parser->global_stack_ptr++,
331 			&parser->global, sizeof(struct hid_global));
332 		return 0;
333 
334 	case HID_GLOBAL_ITEM_TAG_POP:
335 
336 		if (!parser->global_stack_ptr) {
337 			hid_err(parser->device, "global environment stack underflow\n");
338 			return -1;
339 		}
340 
341 		memcpy(&parser->global, parser->global_stack +
342 			--parser->global_stack_ptr, sizeof(struct hid_global));
343 		return 0;
344 
345 	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
346 		parser->global.usage_page = item_udata(item);
347 		return 0;
348 
349 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
350 		parser->global.logical_minimum = item_sdata(item);
351 		return 0;
352 
353 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
354 		if (parser->global.logical_minimum < 0)
355 			parser->global.logical_maximum = item_sdata(item);
356 		else
357 			parser->global.logical_maximum = item_udata(item);
358 		return 0;
359 
360 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
361 		parser->global.physical_minimum = item_sdata(item);
362 		return 0;
363 
364 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
365 		if (parser->global.physical_minimum < 0)
366 			parser->global.physical_maximum = item_sdata(item);
367 		else
368 			parser->global.physical_maximum = item_udata(item);
369 		return 0;
370 
371 	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
372 		/* Many devices provide unit exponent as a two's complement
373 		 * nibble due to the common misunderstanding of HID
374 		 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
375 		 * both this and the standard encoding. */
376 		raw_value = item_sdata(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 		    parser->global.report_id >= HID_MAX_IDS) {
409 			hid_err(parser->device, "report_id %u is invalid\n",
410 				parser->global.report_id);
411 			return -1;
412 		}
413 		return 0;
414 
415 	default:
416 		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
417 		return -1;
418 	}
419 }
420 
421 /*
422  * Process a local item.
423  */
424 
425 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
426 {
427 	__u32 data;
428 	unsigned n;
429 	__u32 count;
430 
431 	data = item_udata(item);
432 
433 	switch (item->tag) {
434 	case HID_LOCAL_ITEM_TAG_DELIMITER:
435 
436 		if (data) {
437 			/*
438 			 * We treat items before the first delimiter
439 			 * as global to all usage sets (branch 0).
440 			 * In the moment we process only these global
441 			 * items and the first delimiter set.
442 			 */
443 			if (parser->local.delimiter_depth != 0) {
444 				hid_err(parser->device, "nested delimiters\n");
445 				return -1;
446 			}
447 			parser->local.delimiter_depth++;
448 			parser->local.delimiter_branch++;
449 		} else {
450 			if (parser->local.delimiter_depth < 1) {
451 				hid_err(parser->device, "bogus close delimiter\n");
452 				return -1;
453 			}
454 			parser->local.delimiter_depth--;
455 		}
456 		return 0;
457 
458 	case HID_LOCAL_ITEM_TAG_USAGE:
459 
460 		if (parser->local.delimiter_branch > 1) {
461 			dbg_hid("alternative usage ignored\n");
462 			return 0;
463 		}
464 
465 		if (item->size <= 2)
466 			data = (parser->global.usage_page << 16) + data;
467 
468 		return hid_add_usage(parser, data);
469 
470 	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471 
472 		if (parser->local.delimiter_branch > 1) {
473 			dbg_hid("alternative usage ignored\n");
474 			return 0;
475 		}
476 
477 		if (item->size <= 2)
478 			data = (parser->global.usage_page << 16) + data;
479 
480 		parser->local.usage_minimum = data;
481 		return 0;
482 
483 	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484 
485 		if (parser->local.delimiter_branch > 1) {
486 			dbg_hid("alternative usage ignored\n");
487 			return 0;
488 		}
489 
490 		if (item->size <= 2)
491 			data = (parser->global.usage_page << 16) + data;
492 
493 		count = data - parser->local.usage_minimum;
494 		if (count + parser->local.usage_index >= HID_MAX_USAGES) {
495 			/*
496 			 * We do not warn if the name is not set, we are
497 			 * actually pre-scanning the device.
498 			 */
499 			if (dev_name(&parser->device->dev))
500 				hid_warn(parser->device,
501 					 "ignoring exceeding usage max\n");
502 			data = HID_MAX_USAGES - parser->local.usage_index +
503 				parser->local.usage_minimum - 1;
504 			if (data <= 0) {
505 				hid_err(parser->device,
506 					"no more usage index available\n");
507 				return -1;
508 			}
509 		}
510 
511 		for (n = parser->local.usage_minimum; n <= data; n++)
512 			if (hid_add_usage(parser, n)) {
513 				dbg_hid("hid_add_usage failed\n");
514 				return -1;
515 			}
516 		return 0;
517 
518 	default:
519 
520 		dbg_hid("unknown local item tag 0x%x\n", item->tag);
521 		return 0;
522 	}
523 	return 0;
524 }
525 
526 /*
527  * Process a main item.
528  */
529 
530 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
531 {
532 	__u32 data;
533 	int ret;
534 
535 	data = item_udata(item);
536 
537 	switch (item->tag) {
538 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
539 		ret = open_collection(parser, data & 0xff);
540 		break;
541 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
542 		ret = close_collection(parser);
543 		break;
544 	case HID_MAIN_ITEM_TAG_INPUT:
545 		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
546 		break;
547 	case HID_MAIN_ITEM_TAG_OUTPUT:
548 		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
549 		break;
550 	case HID_MAIN_ITEM_TAG_FEATURE:
551 		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
552 		break;
553 	default:
554 		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
555 		ret = 0;
556 	}
557 
558 	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
559 
560 	return ret;
561 }
562 
563 /*
564  * Process a reserved item.
565  */
566 
567 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
568 {
569 	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
570 	return 0;
571 }
572 
573 /*
574  * Free a report and all registered fields. The field->usage and
575  * field->value table's are allocated behind the field, so we need
576  * only to free(field) itself.
577  */
578 
579 static void hid_free_report(struct hid_report *report)
580 {
581 	unsigned n;
582 
583 	for (n = 0; n < report->maxfield; n++)
584 		kfree(report->field[n]);
585 	kfree(report);
586 }
587 
588 /*
589  * Close report. This function returns the device
590  * state to the point prior to hid_open_report().
591  */
592 static void hid_close_report(struct hid_device *device)
593 {
594 	unsigned i, j;
595 
596 	for (i = 0; i < HID_REPORT_TYPES; i++) {
597 		struct hid_report_enum *report_enum = device->report_enum + i;
598 
599 		for (j = 0; j < HID_MAX_IDS; j++) {
600 			struct hid_report *report = report_enum->report_id_hash[j];
601 			if (report)
602 				hid_free_report(report);
603 		}
604 		memset(report_enum, 0, sizeof(*report_enum));
605 		INIT_LIST_HEAD(&report_enum->report_list);
606 	}
607 
608 	kfree(device->rdesc);
609 	device->rdesc = NULL;
610 	device->rsize = 0;
611 
612 	kfree(device->collection);
613 	device->collection = NULL;
614 	device->collection_size = 0;
615 	device->maxcollection = 0;
616 	device->maxapplication = 0;
617 
618 	device->status &= ~HID_STAT_PARSED;
619 }
620 
621 /*
622  * Free a device structure, all reports, and all fields.
623  */
624 
625 static void hid_device_release(struct device *dev)
626 {
627 	struct hid_device *hid = to_hid_device(dev);
628 
629 	hid_close_report(hid);
630 	kfree(hid->dev_rdesc);
631 	kfree(hid);
632 }
633 
634 /*
635  * Fetch a report description item from the data stream. We support long
636  * items, though they are not used yet.
637  */
638 
639 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
640 {
641 	u8 b;
642 
643 	if ((end - start) <= 0)
644 		return NULL;
645 
646 	b = *start++;
647 
648 	item->type = (b >> 2) & 3;
649 	item->tag  = (b >> 4) & 15;
650 
651 	if (item->tag == HID_ITEM_TAG_LONG) {
652 
653 		item->format = HID_ITEM_FORMAT_LONG;
654 
655 		if ((end - start) < 2)
656 			return NULL;
657 
658 		item->size = *start++;
659 		item->tag  = *start++;
660 
661 		if ((end - start) < item->size)
662 			return NULL;
663 
664 		item->data.longdata = start;
665 		start += item->size;
666 		return start;
667 	}
668 
669 	item->format = HID_ITEM_FORMAT_SHORT;
670 	item->size = b & 3;
671 
672 	switch (item->size) {
673 	case 0:
674 		return start;
675 
676 	case 1:
677 		if ((end - start) < 1)
678 			return NULL;
679 		item->data.u8 = *start++;
680 		return start;
681 
682 	case 2:
683 		if ((end - start) < 2)
684 			return NULL;
685 		item->data.u16 = get_unaligned_le16(start);
686 		start = (__u8 *)((__le16 *)start + 1);
687 		return start;
688 
689 	case 3:
690 		item->size++;
691 		if ((end - start) < 4)
692 			return NULL;
693 		item->data.u32 = get_unaligned_le32(start);
694 		start = (__u8 *)((__le32 *)start + 1);
695 		return start;
696 	}
697 
698 	return NULL;
699 }
700 
701 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
702 {
703 	struct hid_device *hid = parser->device;
704 
705 	if (usage == HID_DG_CONTACTID)
706 		hid->group = HID_GROUP_MULTITOUCH;
707 }
708 
709 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
710 {
711 	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
712 	    parser->global.report_size == 8)
713 		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
714 }
715 
716 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
717 {
718 	struct hid_device *hid = parser->device;
719 	int i;
720 
721 	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
722 	    type == HID_COLLECTION_PHYSICAL)
723 		hid->group = HID_GROUP_SENSOR_HUB;
724 
725 	if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
726 	    hid->product == USB_DEVICE_ID_MS_POWER_COVER &&
727 	    hid->group == HID_GROUP_MULTITOUCH)
728 		hid->group = HID_GROUP_GENERIC;
729 
730 	if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
731 		for (i = 0; i < parser->local.usage_index; i++)
732 			if (parser->local.usage[i] == HID_GD_POINTER)
733 				parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
734 
735 	if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
736 		parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
737 }
738 
739 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
740 {
741 	__u32 data;
742 	int i;
743 
744 	data = item_udata(item);
745 
746 	switch (item->tag) {
747 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
748 		hid_scan_collection(parser, data & 0xff);
749 		break;
750 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
751 		break;
752 	case HID_MAIN_ITEM_TAG_INPUT:
753 		/* ignore constant inputs, they will be ignored by hid-input */
754 		if (data & HID_MAIN_ITEM_CONSTANT)
755 			break;
756 		for (i = 0; i < parser->local.usage_index; i++)
757 			hid_scan_input_usage(parser, parser->local.usage[i]);
758 		break;
759 	case HID_MAIN_ITEM_TAG_OUTPUT:
760 		break;
761 	case HID_MAIN_ITEM_TAG_FEATURE:
762 		for (i = 0; i < parser->local.usage_index; i++)
763 			hid_scan_feature_usage(parser, parser->local.usage[i]);
764 		break;
765 	}
766 
767 	/* Reset the local parser environment */
768 	memset(&parser->local, 0, sizeof(parser->local));
769 
770 	return 0;
771 }
772 
773 /*
774  * Scan a report descriptor before the device is added to the bus.
775  * Sets device groups and other properties that determine what driver
776  * to load.
777  */
778 static int hid_scan_report(struct hid_device *hid)
779 {
780 	struct hid_parser *parser;
781 	struct hid_item item;
782 	__u8 *start = hid->dev_rdesc;
783 	__u8 *end = start + hid->dev_rsize;
784 	static int (*dispatch_type[])(struct hid_parser *parser,
785 				      struct hid_item *item) = {
786 		hid_scan_main,
787 		hid_parser_global,
788 		hid_parser_local,
789 		hid_parser_reserved
790 	};
791 
792 	parser = vzalloc(sizeof(struct hid_parser));
793 	if (!parser)
794 		return -ENOMEM;
795 
796 	parser->device = hid;
797 	hid->group = HID_GROUP_GENERIC;
798 
799 	/*
800 	 * The parsing is simpler than the one in hid_open_report() as we should
801 	 * be robust against hid errors. Those errors will be raised by
802 	 * hid_open_report() anyway.
803 	 */
804 	while ((start = fetch_item(start, end, &item)) != NULL)
805 		dispatch_type[item.type](parser, &item);
806 
807 	/*
808 	 * Handle special flags set during scanning.
809 	 */
810 	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
811 	    (hid->group == HID_GROUP_MULTITOUCH))
812 		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
813 
814 	/*
815 	 * Vendor specific handlings
816 	 */
817 	switch (hid->vendor) {
818 	case USB_VENDOR_ID_WACOM:
819 		hid->group = HID_GROUP_WACOM;
820 		break;
821 	case USB_VENDOR_ID_SYNAPTICS:
822 		if (hid->group == HID_GROUP_GENERIC)
823 			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
824 			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
825 				/*
826 				 * hid-rmi should take care of them,
827 				 * not hid-generic
828 				 */
829 				hid->group = HID_GROUP_RMI;
830 		break;
831 	}
832 
833 	/* fall back to generic driver in case specific driver doesn't exist */
834 	switch (hid->group) {
835 	case HID_GROUP_MULTITOUCH_WIN_8:
836 		/* fall-through */
837 	case HID_GROUP_MULTITOUCH:
838 		if (!IS_ENABLED(CONFIG_HID_MULTITOUCH))
839 			hid->group = HID_GROUP_GENERIC;
840 		break;
841 	case HID_GROUP_SENSOR_HUB:
842 		if (!IS_ENABLED(CONFIG_HID_SENSOR_HUB))
843 			hid->group = HID_GROUP_GENERIC;
844 		break;
845 	case HID_GROUP_RMI:
846 		if (!IS_ENABLED(CONFIG_HID_RMI))
847 			hid->group = HID_GROUP_GENERIC;
848 		break;
849 	case HID_GROUP_WACOM:
850 		if (!IS_ENABLED(CONFIG_HID_WACOM))
851 			hid->group = HID_GROUP_GENERIC;
852 		break;
853 	case HID_GROUP_LOGITECH_DJ_DEVICE:
854 		if (!IS_ENABLED(CONFIG_HID_LOGITECH_DJ))
855 			hid->group = HID_GROUP_GENERIC;
856 		break;
857 	}
858 	vfree(parser);
859 	return 0;
860 }
861 
862 /**
863  * hid_parse_report - parse device report
864  *
865  * @device: hid device
866  * @start: report start
867  * @size: report size
868  *
869  * Allocate the device report as read by the bus driver. This function should
870  * only be called from parse() in ll drivers.
871  */
872 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
873 {
874 	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
875 	if (!hid->dev_rdesc)
876 		return -ENOMEM;
877 	hid->dev_rsize = size;
878 	return 0;
879 }
880 EXPORT_SYMBOL_GPL(hid_parse_report);
881 
882 static const char * const hid_report_names[] = {
883 	"HID_INPUT_REPORT",
884 	"HID_OUTPUT_REPORT",
885 	"HID_FEATURE_REPORT",
886 };
887 /**
888  * hid_validate_values - validate existing device report's value indexes
889  *
890  * @device: hid device
891  * @type: which report type to examine
892  * @id: which report ID to examine (0 for first)
893  * @field_index: which report field to examine
894  * @report_counts: expected number of values
895  *
896  * Validate the number of values in a given field of a given report, after
897  * parsing.
898  */
899 struct hid_report *hid_validate_values(struct hid_device *hid,
900 				       unsigned int type, unsigned int id,
901 				       unsigned int field_index,
902 				       unsigned int report_counts)
903 {
904 	struct hid_report *report;
905 
906 	if (type > HID_FEATURE_REPORT) {
907 		hid_err(hid, "invalid HID report type %u\n", type);
908 		return NULL;
909 	}
910 
911 	if (id >= HID_MAX_IDS) {
912 		hid_err(hid, "invalid HID report id %u\n", id);
913 		return NULL;
914 	}
915 
916 	/*
917 	 * Explicitly not using hid_get_report() here since it depends on
918 	 * ->numbered being checked, which may not always be the case when
919 	 * drivers go to access report values.
920 	 */
921 	if (id == 0) {
922 		/*
923 		 * Validating on id 0 means we should examine the first
924 		 * report in the list.
925 		 */
926 		report = list_entry(
927 				hid->report_enum[type].report_list.next,
928 				struct hid_report, list);
929 	} else {
930 		report = hid->report_enum[type].report_id_hash[id];
931 	}
932 	if (!report) {
933 		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
934 		return NULL;
935 	}
936 	if (report->maxfield <= field_index) {
937 		hid_err(hid, "not enough fields in %s %u\n",
938 			hid_report_names[type], id);
939 		return NULL;
940 	}
941 	if (report->field[field_index]->report_count < report_counts) {
942 		hid_err(hid, "not enough values in %s %u field %u\n",
943 			hid_report_names[type], id, field_index);
944 		return NULL;
945 	}
946 	return report;
947 }
948 EXPORT_SYMBOL_GPL(hid_validate_values);
949 
950 /**
951  * hid_open_report - open a driver-specific device report
952  *
953  * @device: hid device
954  *
955  * Parse a report description into a hid_device structure. Reports are
956  * enumerated, fields are attached to these reports.
957  * 0 returned on success, otherwise nonzero error value.
958  *
959  * This function (or the equivalent hid_parse() macro) should only be
960  * called from probe() in drivers, before starting the device.
961  */
962 int hid_open_report(struct hid_device *device)
963 {
964 	struct hid_parser *parser;
965 	struct hid_item item;
966 	unsigned int size;
967 	__u8 *start;
968 	__u8 *buf;
969 	__u8 *end;
970 	int ret;
971 	static int (*dispatch_type[])(struct hid_parser *parser,
972 				      struct hid_item *item) = {
973 		hid_parser_main,
974 		hid_parser_global,
975 		hid_parser_local,
976 		hid_parser_reserved
977 	};
978 
979 	if (WARN_ON(device->status & HID_STAT_PARSED))
980 		return -EBUSY;
981 
982 	start = device->dev_rdesc;
983 	if (WARN_ON(!start))
984 		return -ENODEV;
985 	size = device->dev_rsize;
986 
987 	buf = kmemdup(start, size, GFP_KERNEL);
988 	if (buf == NULL)
989 		return -ENOMEM;
990 
991 	if (device->driver->report_fixup)
992 		start = device->driver->report_fixup(device, buf, &size);
993 	else
994 		start = buf;
995 
996 	start = kmemdup(start, size, GFP_KERNEL);
997 	kfree(buf);
998 	if (start == NULL)
999 		return -ENOMEM;
1000 
1001 	device->rdesc = start;
1002 	device->rsize = size;
1003 
1004 	parser = vzalloc(sizeof(struct hid_parser));
1005 	if (!parser) {
1006 		ret = -ENOMEM;
1007 		goto err;
1008 	}
1009 
1010 	parser->device = device;
1011 
1012 	end = start + size;
1013 
1014 	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
1015 				     sizeof(struct hid_collection), GFP_KERNEL);
1016 	if (!device->collection) {
1017 		ret = -ENOMEM;
1018 		goto err;
1019 	}
1020 	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1021 
1022 	ret = -EINVAL;
1023 	while ((start = fetch_item(start, end, &item)) != NULL) {
1024 
1025 		if (item.format != HID_ITEM_FORMAT_SHORT) {
1026 			hid_err(device, "unexpected long global item\n");
1027 			goto err;
1028 		}
1029 
1030 		if (dispatch_type[item.type](parser, &item)) {
1031 			hid_err(device, "item %u %u %u %u parsing failed\n",
1032 				item.format, (unsigned)item.size,
1033 				(unsigned)item.type, (unsigned)item.tag);
1034 			goto err;
1035 		}
1036 
1037 		if (start == end) {
1038 			if (parser->collection_stack_ptr) {
1039 				hid_err(device, "unbalanced collection at end of report description\n");
1040 				goto err;
1041 			}
1042 			if (parser->local.delimiter_depth) {
1043 				hid_err(device, "unbalanced delimiter at end of report description\n");
1044 				goto err;
1045 			}
1046 			vfree(parser);
1047 			device->status |= HID_STAT_PARSED;
1048 			return 0;
1049 		}
1050 	}
1051 
1052 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1053 err:
1054 	vfree(parser);
1055 	hid_close_report(device);
1056 	return ret;
1057 }
1058 EXPORT_SYMBOL_GPL(hid_open_report);
1059 
1060 /*
1061  * Convert a signed n-bit integer to signed 32-bit integer. Common
1062  * cases are done through the compiler, the screwed things has to be
1063  * done by hand.
1064  */
1065 
1066 static s32 snto32(__u32 value, unsigned n)
1067 {
1068 	switch (n) {
1069 	case 8:  return ((__s8)value);
1070 	case 16: return ((__s16)value);
1071 	case 32: return ((__s32)value);
1072 	}
1073 	return value & (1 << (n - 1)) ? value | (~0U << n) : value;
1074 }
1075 
1076 s32 hid_snto32(__u32 value, unsigned n)
1077 {
1078 	return snto32(value, n);
1079 }
1080 EXPORT_SYMBOL_GPL(hid_snto32);
1081 
1082 /*
1083  * Convert a signed 32-bit integer to a signed n-bit integer.
1084  */
1085 
1086 static u32 s32ton(__s32 value, unsigned n)
1087 {
1088 	s32 a = value >> (n - 1);
1089 	if (a && a != -1)
1090 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1091 	return value & ((1 << n) - 1);
1092 }
1093 
1094 /*
1095  * Extract/implement a data field from/to a little endian report (bit array).
1096  *
1097  * Code sort-of follows HID spec:
1098  *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1099  *
1100  * While the USB HID spec allows unlimited length bit fields in "report
1101  * descriptors", most devices never use more than 16 bits.
1102  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1103  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1104  */
1105 
1106 static u32 __extract(u8 *report, unsigned offset, int n)
1107 {
1108 	unsigned int idx = offset / 8;
1109 	unsigned int bit_nr = 0;
1110 	unsigned int bit_shift = offset % 8;
1111 	int bits_to_copy = 8 - bit_shift;
1112 	u32 value = 0;
1113 	u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
1114 
1115 	while (n > 0) {
1116 		value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1117 		n -= bits_to_copy;
1118 		bit_nr += bits_to_copy;
1119 		bits_to_copy = 8;
1120 		bit_shift = 0;
1121 		idx++;
1122 	}
1123 
1124 	return value & mask;
1125 }
1126 
1127 u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1128 			unsigned offset, unsigned n)
1129 {
1130 	if (n > 32) {
1131 		hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1132 			 n, current->comm);
1133 		n = 32;
1134 	}
1135 
1136 	return __extract(report, offset, n);
1137 }
1138 EXPORT_SYMBOL_GPL(hid_field_extract);
1139 
1140 /*
1141  * "implement" : set bits in a little endian bit stream.
1142  * Same concepts as "extract" (see comments above).
1143  * The data mangled in the bit stream remains in little endian
1144  * order the whole time. It make more sense to talk about
1145  * endianness of register values by considering a register
1146  * a "cached" copy of the little endian bit stream.
1147  */
1148 
1149 static void __implement(u8 *report, unsigned offset, int n, u32 value)
1150 {
1151 	unsigned int idx = offset / 8;
1152 	unsigned int bit_shift = offset % 8;
1153 	int bits_to_set = 8 - bit_shift;
1154 
1155 	while (n - bits_to_set >= 0) {
1156 		report[idx] &= ~(0xff << bit_shift);
1157 		report[idx] |= value << bit_shift;
1158 		value >>= bits_to_set;
1159 		n -= bits_to_set;
1160 		bits_to_set = 8;
1161 		bit_shift = 0;
1162 		idx++;
1163 	}
1164 
1165 	/* last nibble */
1166 	if (n) {
1167 		u8 bit_mask = ((1U << n) - 1);
1168 		report[idx] &= ~(bit_mask << bit_shift);
1169 		report[idx] |= value << bit_shift;
1170 	}
1171 }
1172 
1173 static void implement(const struct hid_device *hid, u8 *report,
1174 		      unsigned offset, unsigned n, u32 value)
1175 {
1176 	if (unlikely(n > 32)) {
1177 		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1178 			 __func__, n, current->comm);
1179 		n = 32;
1180 	} else if (n < 32) {
1181 		u32 m = (1U << n) - 1;
1182 
1183 		if (unlikely(value > m)) {
1184 			hid_warn(hid,
1185 				 "%s() called with too large value %d (n: %d)! (%s)\n",
1186 				 __func__, value, n, current->comm);
1187 			WARN_ON(1);
1188 			value &= m;
1189 		}
1190 	}
1191 
1192 	__implement(report, offset, n, value);
1193 }
1194 
1195 /*
1196  * Search an array for a value.
1197  */
1198 
1199 static int search(__s32 *array, __s32 value, unsigned n)
1200 {
1201 	while (n--) {
1202 		if (*array++ == value)
1203 			return 0;
1204 	}
1205 	return -1;
1206 }
1207 
1208 /**
1209  * hid_match_report - check if driver's raw_event should be called
1210  *
1211  * @hid: hid device
1212  * @report_type: type to match against
1213  *
1214  * compare hid->driver->report_table->report_type to report->type
1215  */
1216 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1217 {
1218 	const struct hid_report_id *id = hid->driver->report_table;
1219 
1220 	if (!id) /* NULL means all */
1221 		return 1;
1222 
1223 	for (; id->report_type != HID_TERMINATOR; id++)
1224 		if (id->report_type == HID_ANY_ID ||
1225 				id->report_type == report->type)
1226 			return 1;
1227 	return 0;
1228 }
1229 
1230 /**
1231  * hid_match_usage - check if driver's event should be called
1232  *
1233  * @hid: hid device
1234  * @usage: usage to match against
1235  *
1236  * compare hid->driver->usage_table->usage_{type,code} to
1237  * usage->usage_{type,code}
1238  */
1239 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1240 {
1241 	const struct hid_usage_id *id = hid->driver->usage_table;
1242 
1243 	if (!id) /* NULL means all */
1244 		return 1;
1245 
1246 	for (; id->usage_type != HID_ANY_ID - 1; id++)
1247 		if ((id->usage_hid == HID_ANY_ID ||
1248 				id->usage_hid == usage->hid) &&
1249 				(id->usage_type == HID_ANY_ID ||
1250 				id->usage_type == usage->type) &&
1251 				(id->usage_code == HID_ANY_ID ||
1252 				 id->usage_code == usage->code))
1253 			return 1;
1254 	return 0;
1255 }
1256 
1257 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1258 		struct hid_usage *usage, __s32 value, int interrupt)
1259 {
1260 	struct hid_driver *hdrv = hid->driver;
1261 	int ret;
1262 
1263 	if (!list_empty(&hid->debug_list))
1264 		hid_dump_input(hid, usage, value);
1265 
1266 	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1267 		ret = hdrv->event(hid, field, usage, value);
1268 		if (ret != 0) {
1269 			if (ret < 0)
1270 				hid_err(hid, "%s's event failed with %d\n",
1271 						hdrv->name, ret);
1272 			return;
1273 		}
1274 	}
1275 
1276 	if (hid->claimed & HID_CLAIMED_INPUT)
1277 		hidinput_hid_event(hid, field, usage, value);
1278 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1279 		hid->hiddev_hid_event(hid, field, usage, value);
1280 }
1281 
1282 /*
1283  * Analyse a received field, and fetch the data from it. The field
1284  * content is stored for next report processing (we do differential
1285  * reporting to the layer).
1286  */
1287 
1288 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1289 			    __u8 *data, int interrupt)
1290 {
1291 	unsigned n;
1292 	unsigned count = field->report_count;
1293 	unsigned offset = field->report_offset;
1294 	unsigned size = field->report_size;
1295 	__s32 min = field->logical_minimum;
1296 	__s32 max = field->logical_maximum;
1297 	__s32 *value;
1298 
1299 	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1300 	if (!value)
1301 		return;
1302 
1303 	for (n = 0; n < count; n++) {
1304 
1305 		value[n] = min < 0 ?
1306 			snto32(hid_field_extract(hid, data, offset + n * size,
1307 			       size), size) :
1308 			hid_field_extract(hid, data, offset + n * size, size);
1309 
1310 		/* Ignore report if ErrorRollOver */
1311 		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1312 		    value[n] >= min && value[n] <= max &&
1313 		    value[n] - min < field->maxusage &&
1314 		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1315 			goto exit;
1316 	}
1317 
1318 	for (n = 0; n < count; n++) {
1319 
1320 		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1321 			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1322 			continue;
1323 		}
1324 
1325 		if (field->value[n] >= min && field->value[n] <= max
1326 			&& field->value[n] - min < field->maxusage
1327 			&& field->usage[field->value[n] - min].hid
1328 			&& search(value, field->value[n], count))
1329 				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1330 
1331 		if (value[n] >= min && value[n] <= max
1332 			&& value[n] - min < field->maxusage
1333 			&& field->usage[value[n] - min].hid
1334 			&& search(field->value, value[n], count))
1335 				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1336 	}
1337 
1338 	memcpy(field->value, value, count * sizeof(__s32));
1339 exit:
1340 	kfree(value);
1341 }
1342 
1343 /*
1344  * Output the field into the report.
1345  */
1346 
1347 static void hid_output_field(const struct hid_device *hid,
1348 			     struct hid_field *field, __u8 *data)
1349 {
1350 	unsigned count = field->report_count;
1351 	unsigned offset = field->report_offset;
1352 	unsigned size = field->report_size;
1353 	unsigned n;
1354 
1355 	for (n = 0; n < count; n++) {
1356 		if (field->logical_minimum < 0)	/* signed values */
1357 			implement(hid, data, offset + n * size, size,
1358 				  s32ton(field->value[n], size));
1359 		else				/* unsigned values */
1360 			implement(hid, data, offset + n * size, size,
1361 				  field->value[n]);
1362 	}
1363 }
1364 
1365 /*
1366  * Create a report. 'data' has to be allocated using
1367  * hid_alloc_report_buf() so that it has proper size.
1368  */
1369 
1370 void hid_output_report(struct hid_report *report, __u8 *data)
1371 {
1372 	unsigned n;
1373 
1374 	if (report->id > 0)
1375 		*data++ = report->id;
1376 
1377 	memset(data, 0, ((report->size - 1) >> 3) + 1);
1378 	for (n = 0; n < report->maxfield; n++)
1379 		hid_output_field(report->device, report->field[n], data);
1380 }
1381 EXPORT_SYMBOL_GPL(hid_output_report);
1382 
1383 /*
1384  * Allocator for buffer that is going to be passed to hid_output_report()
1385  */
1386 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1387 {
1388 	/*
1389 	 * 7 extra bytes are necessary to achieve proper functionality
1390 	 * of implement() working on 8 byte chunks
1391 	 */
1392 
1393 	int len = hid_report_len(report) + 7;
1394 
1395 	return kmalloc(len, flags);
1396 }
1397 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1398 
1399 /*
1400  * Set a field value. The report this field belongs to has to be
1401  * created and transferred to the device, to set this value in the
1402  * device.
1403  */
1404 
1405 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1406 {
1407 	unsigned size;
1408 
1409 	if (!field)
1410 		return -1;
1411 
1412 	size = field->report_size;
1413 
1414 	hid_dump_input(field->report->device, field->usage + offset, value);
1415 
1416 	if (offset >= field->report_count) {
1417 		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1418 				offset, field->report_count);
1419 		return -1;
1420 	}
1421 	if (field->logical_minimum < 0) {
1422 		if (value != snto32(s32ton(value, size), size)) {
1423 			hid_err(field->report->device, "value %d is out of range\n", value);
1424 			return -1;
1425 		}
1426 	}
1427 	field->value[offset] = value;
1428 	return 0;
1429 }
1430 EXPORT_SYMBOL_GPL(hid_set_field);
1431 
1432 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1433 		const u8 *data)
1434 {
1435 	struct hid_report *report;
1436 	unsigned int n = 0;	/* Normally report number is 0 */
1437 
1438 	/* Device uses numbered reports, data[0] is report number */
1439 	if (report_enum->numbered)
1440 		n = *data;
1441 
1442 	report = report_enum->report_id_hash[n];
1443 	if (report == NULL)
1444 		dbg_hid("undefined report_id %u received\n", n);
1445 
1446 	return report;
1447 }
1448 
1449 /*
1450  * Implement a generic .request() callback, using .raw_request()
1451  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1452  */
1453 void __hid_request(struct hid_device *hid, struct hid_report *report,
1454 		int reqtype)
1455 {
1456 	char *buf;
1457 	int ret;
1458 	int len;
1459 
1460 	buf = hid_alloc_report_buf(report, GFP_KERNEL);
1461 	if (!buf)
1462 		return;
1463 
1464 	len = hid_report_len(report);
1465 
1466 	if (reqtype == HID_REQ_SET_REPORT)
1467 		hid_output_report(report, buf);
1468 
1469 	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1470 					  report->type, reqtype);
1471 	if (ret < 0) {
1472 		dbg_hid("unable to complete request: %d\n", ret);
1473 		goto out;
1474 	}
1475 
1476 	if (reqtype == HID_REQ_GET_REPORT)
1477 		hid_input_report(hid, report->type, buf, ret, 0);
1478 
1479 out:
1480 	kfree(buf);
1481 }
1482 EXPORT_SYMBOL_GPL(__hid_request);
1483 
1484 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1485 		int interrupt)
1486 {
1487 	struct hid_report_enum *report_enum = hid->report_enum + type;
1488 	struct hid_report *report;
1489 	struct hid_driver *hdrv;
1490 	unsigned int a;
1491 	int rsize, csize = size;
1492 	u8 *cdata = data;
1493 	int ret = 0;
1494 
1495 	report = hid_get_report(report_enum, data);
1496 	if (!report)
1497 		goto out;
1498 
1499 	if (report_enum->numbered) {
1500 		cdata++;
1501 		csize--;
1502 	}
1503 
1504 	rsize = ((report->size - 1) >> 3) + 1;
1505 
1506 	if (rsize > HID_MAX_BUFFER_SIZE)
1507 		rsize = HID_MAX_BUFFER_SIZE;
1508 
1509 	if (csize < rsize) {
1510 		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1511 				csize, rsize);
1512 		memset(cdata + csize, 0, rsize - csize);
1513 	}
1514 
1515 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1516 		hid->hiddev_report_event(hid, report);
1517 	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1518 		ret = hidraw_report_event(hid, data, size);
1519 		if (ret)
1520 			goto out;
1521 	}
1522 
1523 	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1524 		for (a = 0; a < report->maxfield; a++)
1525 			hid_input_field(hid, report->field[a], cdata, interrupt);
1526 		hdrv = hid->driver;
1527 		if (hdrv && hdrv->report)
1528 			hdrv->report(hid, report);
1529 	}
1530 
1531 	if (hid->claimed & HID_CLAIMED_INPUT)
1532 		hidinput_report_event(hid, report);
1533 out:
1534 	return ret;
1535 }
1536 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1537 
1538 /**
1539  * hid_input_report - report data from lower layer (usb, bt...)
1540  *
1541  * @hid: hid device
1542  * @type: HID report type (HID_*_REPORT)
1543  * @data: report contents
1544  * @size: size of data parameter
1545  * @interrupt: distinguish between interrupt and control transfers
1546  *
1547  * This is data entry for lower layers.
1548  */
1549 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1550 {
1551 	struct hid_report_enum *report_enum;
1552 	struct hid_driver *hdrv;
1553 	struct hid_report *report;
1554 	int ret = 0;
1555 
1556 	if (!hid)
1557 		return -ENODEV;
1558 
1559 	if (down_trylock(&hid->driver_input_lock))
1560 		return -EBUSY;
1561 
1562 	if (!hid->driver) {
1563 		ret = -ENODEV;
1564 		goto unlock;
1565 	}
1566 	report_enum = hid->report_enum + type;
1567 	hdrv = hid->driver;
1568 
1569 	if (!size) {
1570 		dbg_hid("empty report\n");
1571 		ret = -1;
1572 		goto unlock;
1573 	}
1574 
1575 	/* Avoid unnecessary overhead if debugfs is disabled */
1576 	if (!list_empty(&hid->debug_list))
1577 		hid_dump_report(hid, type, data, size);
1578 
1579 	report = hid_get_report(report_enum, data);
1580 
1581 	if (!report) {
1582 		ret = -1;
1583 		goto unlock;
1584 	}
1585 
1586 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1587 		ret = hdrv->raw_event(hid, report, data, size);
1588 		if (ret < 0)
1589 			goto unlock;
1590 	}
1591 
1592 	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1593 
1594 unlock:
1595 	up(&hid->driver_input_lock);
1596 	return ret;
1597 }
1598 EXPORT_SYMBOL_GPL(hid_input_report);
1599 
1600 static bool hid_match_one_id(struct hid_device *hdev,
1601 		const struct hid_device_id *id)
1602 {
1603 	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1604 		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1605 		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1606 		(id->product == HID_ANY_ID || id->product == hdev->product);
1607 }
1608 
1609 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1610 		const struct hid_device_id *id)
1611 {
1612 	for (; id->bus; id++)
1613 		if (hid_match_one_id(hdev, id))
1614 			return id;
1615 
1616 	return NULL;
1617 }
1618 
1619 static const struct hid_device_id hid_hiddev_list[] = {
1620 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1621 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1622 	{ }
1623 };
1624 
1625 static bool hid_hiddev(struct hid_device *hdev)
1626 {
1627 	return !!hid_match_id(hdev, hid_hiddev_list);
1628 }
1629 
1630 
1631 static ssize_t
1632 read_report_descriptor(struct file *filp, struct kobject *kobj,
1633 		struct bin_attribute *attr,
1634 		char *buf, loff_t off, size_t count)
1635 {
1636 	struct device *dev = kobj_to_dev(kobj);
1637 	struct hid_device *hdev = to_hid_device(dev);
1638 
1639 	if (off >= hdev->rsize)
1640 		return 0;
1641 
1642 	if (off + count > hdev->rsize)
1643 		count = hdev->rsize - off;
1644 
1645 	memcpy(buf, hdev->rdesc + off, count);
1646 
1647 	return count;
1648 }
1649 
1650 static ssize_t
1651 show_country(struct device *dev, struct device_attribute *attr,
1652 		char *buf)
1653 {
1654 	struct hid_device *hdev = to_hid_device(dev);
1655 
1656 	return sprintf(buf, "%02x\n", hdev->country & 0xff);
1657 }
1658 
1659 static struct bin_attribute dev_bin_attr_report_desc = {
1660 	.attr = { .name = "report_descriptor", .mode = 0444 },
1661 	.read = read_report_descriptor,
1662 	.size = HID_MAX_DESCRIPTOR_SIZE,
1663 };
1664 
1665 static struct device_attribute dev_attr_country = {
1666 	.attr = { .name = "country", .mode = 0444 },
1667 	.show = show_country,
1668 };
1669 
1670 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1671 {
1672 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1673 		"Joystick", "Gamepad", "Keyboard", "Keypad",
1674 		"Multi-Axis Controller"
1675 	};
1676 	const char *type, *bus;
1677 	char buf[64] = "";
1678 	unsigned int i;
1679 	int len;
1680 	int ret;
1681 
1682 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1683 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1684 	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1685 		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1686 	if (hdev->bus != BUS_USB)
1687 		connect_mask &= ~HID_CONNECT_HIDDEV;
1688 	if (hid_hiddev(hdev))
1689 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1690 
1691 	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1692 				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1693 		hdev->claimed |= HID_CLAIMED_INPUT;
1694 
1695 	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1696 			!hdev->hiddev_connect(hdev,
1697 				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1698 		hdev->claimed |= HID_CLAIMED_HIDDEV;
1699 	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1700 		hdev->claimed |= HID_CLAIMED_HIDRAW;
1701 
1702 	if (connect_mask & HID_CONNECT_DRIVER)
1703 		hdev->claimed |= HID_CLAIMED_DRIVER;
1704 
1705 	/* Drivers with the ->raw_event callback set are not required to connect
1706 	 * to any other listener. */
1707 	if (!hdev->claimed && !hdev->driver->raw_event) {
1708 		hid_err(hdev, "device has no listeners, quitting\n");
1709 		return -ENODEV;
1710 	}
1711 
1712 	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1713 			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1714 		hdev->ff_init(hdev);
1715 
1716 	len = 0;
1717 	if (hdev->claimed & HID_CLAIMED_INPUT)
1718 		len += sprintf(buf + len, "input");
1719 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1720 		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1721 				((struct hiddev *)hdev->hiddev)->minor);
1722 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1723 		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1724 				((struct hidraw *)hdev->hidraw)->minor);
1725 
1726 	type = "Device";
1727 	for (i = 0; i < hdev->maxcollection; i++) {
1728 		struct hid_collection *col = &hdev->collection[i];
1729 		if (col->type == HID_COLLECTION_APPLICATION &&
1730 		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1731 		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1732 			type = types[col->usage & 0xffff];
1733 			break;
1734 		}
1735 	}
1736 
1737 	switch (hdev->bus) {
1738 	case BUS_USB:
1739 		bus = "USB";
1740 		break;
1741 	case BUS_BLUETOOTH:
1742 		bus = "BLUETOOTH";
1743 		break;
1744 	case BUS_I2C:
1745 		bus = "I2C";
1746 		break;
1747 	default:
1748 		bus = "<UNKNOWN>";
1749 	}
1750 
1751 	ret = device_create_file(&hdev->dev, &dev_attr_country);
1752 	if (ret)
1753 		hid_warn(hdev,
1754 			 "can't create sysfs country code attribute err: %d\n", ret);
1755 
1756 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1757 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1758 		 type, hdev->name, hdev->phys);
1759 
1760 	return 0;
1761 }
1762 EXPORT_SYMBOL_GPL(hid_connect);
1763 
1764 void hid_disconnect(struct hid_device *hdev)
1765 {
1766 	device_remove_file(&hdev->dev, &dev_attr_country);
1767 	if (hdev->claimed & HID_CLAIMED_INPUT)
1768 		hidinput_disconnect(hdev);
1769 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1770 		hdev->hiddev_disconnect(hdev);
1771 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1772 		hidraw_disconnect(hdev);
1773 	hdev->claimed = 0;
1774 }
1775 EXPORT_SYMBOL_GPL(hid_disconnect);
1776 
1777 /**
1778  * hid_hw_start - start underlying HW
1779  * @hdev: hid device
1780  * @connect_mask: which outputs to connect, see HID_CONNECT_*
1781  *
1782  * Call this in probe function *after* hid_parse. This will setup HW
1783  * buffers and start the device (if not defeirred to device open).
1784  * hid_hw_stop must be called if this was successful.
1785  */
1786 int hid_hw_start(struct hid_device *hdev, unsigned int connect_mask)
1787 {
1788 	int error;
1789 
1790 	error = hdev->ll_driver->start(hdev);
1791 	if (error)
1792 		return error;
1793 
1794 	if (connect_mask) {
1795 		error = hid_connect(hdev, connect_mask);
1796 		if (error) {
1797 			hdev->ll_driver->stop(hdev);
1798 			return error;
1799 		}
1800 	}
1801 
1802 	return 0;
1803 }
1804 EXPORT_SYMBOL_GPL(hid_hw_start);
1805 
1806 /**
1807  * hid_hw_stop - stop underlying HW
1808  * @hdev: hid device
1809  *
1810  * This is usually called from remove function or from probe when something
1811  * failed and hid_hw_start was called already.
1812  */
1813 void hid_hw_stop(struct hid_device *hdev)
1814 {
1815 	hid_disconnect(hdev);
1816 	hdev->ll_driver->stop(hdev);
1817 }
1818 EXPORT_SYMBOL_GPL(hid_hw_stop);
1819 
1820 /**
1821  * hid_hw_open - signal underlying HW to start delivering events
1822  * @hdev: hid device
1823  *
1824  * Tell underlying HW to start delivering events from the device.
1825  * This function should be called sometime after successful call
1826  * to hid_hiw_start().
1827  */
1828 int hid_hw_open(struct hid_device *hdev)
1829 {
1830 	int ret;
1831 
1832 	ret = mutex_lock_killable(&hdev->ll_open_lock);
1833 	if (ret)
1834 		return ret;
1835 
1836 	if (!hdev->ll_open_count++) {
1837 		ret = hdev->ll_driver->open(hdev);
1838 		if (ret)
1839 			hdev->ll_open_count--;
1840 	}
1841 
1842 	mutex_unlock(&hdev->ll_open_lock);
1843 	return ret;
1844 }
1845 EXPORT_SYMBOL_GPL(hid_hw_open);
1846 
1847 /**
1848  * hid_hw_close - signal underlaying HW to stop delivering events
1849  *
1850  * @hdev: hid device
1851  *
1852  * This function indicates that we are not interested in the events
1853  * from this device anymore. Delivery of events may or may not stop,
1854  * depending on the number of users still outstanding.
1855  */
1856 void hid_hw_close(struct hid_device *hdev)
1857 {
1858 	mutex_lock(&hdev->ll_open_lock);
1859 	if (!--hdev->ll_open_count)
1860 		hdev->ll_driver->close(hdev);
1861 	mutex_unlock(&hdev->ll_open_lock);
1862 }
1863 EXPORT_SYMBOL_GPL(hid_hw_close);
1864 
1865 /*
1866  * A list of devices for which there is a specialized driver on HID bus.
1867  *
1868  * Please note that for multitouch devices (driven by hid-multitouch driver),
1869  * there is a proper autodetection and autoloading in place (based on presence
1870  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1871  * as we are doing the right thing in hid_scan_usage().
1872  *
1873  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1874  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1875  * used as a driver. See hid_scan_report().
1876  */
1877 static const struct hid_device_id hid_have_special_driver[] = {
1878 #if IS_ENABLED(CONFIG_HID_A4TECH)
1879 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1880 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1881 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1882 #endif
1883 #if IS_ENABLED(CONFIG_HID_ACCUTOUCH)
1884 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) },
1885 #endif
1886 #if IS_ENABLED(CONFIG_HID_ACRUX)
1887 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1888 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1889 #endif
1890 #if IS_ENABLED(CONFIG_HID_ALPS)
1891 	{ HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
1892 #endif
1893 #if IS_ENABLED(CONFIG_HID_APPLE)
1894 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1895 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1896 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1897 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1898 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1899 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1900 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1901 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1902 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1903 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1904 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1905 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1906 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1907 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1908 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1909 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1910 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1911 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1912 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1913 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1914 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1915 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1916 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1917 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1918 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1919 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1920 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1921 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1922 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1923 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1924 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1925 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1926 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1927 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1928 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1929 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1930 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1931 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1932 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1933 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1934 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1935 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1936 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1937 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1938 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1939 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1940 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1941 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1942 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1943 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1944 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1945 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1946 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1947 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1948 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1949 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1950 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1951 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1952 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1953 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1954 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1955 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1956 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1957 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1958 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1959 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1960 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1961 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1962 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1963 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1964 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1965 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1966 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1967 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1968 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1969 #endif
1970 #if IS_ENABLED(CONFIG_HID_APPLEIR)
1971 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1972 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1973 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1974 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1975 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1976 #endif
1977 #if IS_ENABLED(CONFIG_HID_ASUS)
1978 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD) },
1979 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD) },
1980 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
1981 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) },
1982 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD) },
1983 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1984 	{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1985 #endif
1986 #if IS_ENABLED(CONFIG_HID_AUREAL)
1987 	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1988 #endif
1989 #if IS_ENABLED(CONFIG_HID_BELKIN)
1990 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1991 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1992 #endif
1993 #if IS_ENABLED(CONFIG_HID_BETOP_FF)
1994 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1995 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1996 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1997 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1998 #endif
1999 #if IS_ENABLED(CONFIG_HID_CHERRY)
2000 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
2001 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
2002 #endif
2003 #if IS_ENABLED(CONFIG_HID_CHICONY)
2004 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
2005 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
2006 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
2007 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
2008 #endif
2009 #if IS_ENABLED(CONFIG_HID_CMEDIA)
2010 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
2011 #endif
2012 #if IS_ENABLED(CONFIG_HID_CORSAIR)
2013 	{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
2014 	{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
2015 #endif
2016 #if IS_ENABLED(CONFIG_HID_CP2112)
2017 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
2018 #endif
2019 #if IS_ENABLED(CONFIG_HID_CYPRESS)
2020 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
2021 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
2022 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
2023 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
2024 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
2025 #endif
2026 #if IS_ENABLED(CONFIG_HID_DRAGONRISE)
2027 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
2028 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
2029 #endif
2030 #if IS_ENABLED(CONFIG_HID_ELECOM)
2031 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
2032 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) },
2033 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) },
2034 #endif
2035 #if IS_ENABLED(CONFIG_HID_ELO)
2036 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
2037 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
2038 #endif
2039 #if IS_ENABLED(CONFIG_HID_EMS_FF)
2040 	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
2041 #endif
2042 #if IS_ENABLED(CONFIG_HID_EZKEY)
2043 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
2044 #endif
2045 #if IS_ENABLED(CONFIG_HID_GEMBIRD)
2046 	{ HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
2047 #endif
2048 #if IS_ENABLED(CONFIG_HID_GFRM)
2049         { HID_BLUETOOTH_DEVICE(0x58, 0x2000) },
2050         { HID_BLUETOOTH_DEVICE(0x471, 0x2210) },
2051 #endif
2052 #if IS_ENABLED(CONFIG_HID_GREENASIA)
2053 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
2054 #endif
2055 #if IS_ENABLED(CONFIG_HID_GT683R)
2056 	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
2057 #endif
2058 #if IS_ENABLED(CONFIG_HID_GYRATION)
2059 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
2060 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
2061 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
2062 #endif
2063 #if IS_ENABLED(CONFIG_HID_HOLTEK)
2064 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
2065 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
2066 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
2067 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
2068 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
2069 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
2070 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
2071 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
2072 #endif
2073 #if IS_ENABLED(CONFIG_HID_ICADE)
2074 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
2075 #endif
2076 #if IS_ENABLED(CONFIG_HID_ITE)
2077 	{ HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
2078 #endif
2079 #if IS_ENABLED(CONFIG_HID_KENSINGTON)
2080 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
2081 #endif
2082 #if IS_ENABLED(CONFIG_HID_KEYTOUCH)
2083 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
2084 #endif
2085 #if IS_ENABLED(CONFIG_HID_KYE)
2086 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
2087 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
2088 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
2089 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
2090 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
2091 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
2092 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
2093 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
2094 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
2095 #endif
2096 #if IS_ENABLED(CONFIG_HID_LCPOWER)
2097 	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
2098 #endif
2099 #if IS_ENABLED(CONFIG_HID_LED)
2100 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
2101 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
2102 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
2103 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
2104 	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2105 	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2106 #endif
2107 #if IS_ENABLED(CONFIG_HID_LENOVO)
2108 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
2109 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
2110 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
2111 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
2112 #endif
2113 #if IS_ENABLED(CONFIG_HID_LOGITECH)
2114 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
2115 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
2116 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
2117 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
2118 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
2119 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
2120 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
2121 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
2122 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
2123 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
2124 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
2125 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
2126 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
2127 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
2128 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
2129 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
2130 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
2131 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
2132 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
2133 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
2134 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
2135 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
2136 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
2137 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
2138 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
2139 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
2140 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
2141 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
2142 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
2143 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
2144 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
2145 #endif
2146 #if IS_ENABLED(CONFIG_HID_LOGITECH_HIDPP)
2147 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
2148 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
2149 #endif
2150 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
2151 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
2152 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
2153 #endif
2154 #if IS_ENABLED(CONFIG_HID_MAGICMOUSE)
2155 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
2156 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
2157 #endif
2158 #if IS_ENABLED(CONFIG_HID_MAYFLASH)
2159 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) },
2160 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) },
2161 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) },
2162 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) },
2163 #endif
2164 #if IS_ENABLED(CONFIG_HID_MICROSOFT)
2165 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
2166 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
2167 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
2168 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
2169 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
2170 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
2171 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
2172 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
2173 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
2174 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
2175 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
2176 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
2177 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
2178 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
2179 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
2180 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2181 #endif
2182 #if IS_ENABLED(CONFIG_HID_MONTEREY)
2183 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
2184 #endif
2185 #if IS_ENABLED(CONFIG_HID_MULTITOUCH)
2186 	{ HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MELFAS_MT) },
2187 #endif
2188 #if IS_ENABLED(CONFIG_HID_WIIMOTE)
2189 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2190 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2191 #endif
2192 #if IS_ENABLED(CONFIG_HID_NTI)
2193 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTI, USB_DEVICE_ID_USB_SUN) },
2194 #endif
2195 #if IS_ENABLED(CONFIG_HID_NTRIG)
2196 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
2197 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
2198 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
2199 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
2200 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
2201 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
2202 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
2203 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2204 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2205 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2206 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2207 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2208 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2209 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2210 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2211 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2212 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2213 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2214 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2215 #endif
2216 #if IS_ENABLED(CONFIG_HID_ORTEK)
2217 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2218 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2219 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
2220 	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2221 #endif
2222 #if IS_ENABLED(CONFIG_HID_PANTHERLORD)
2223 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
2224 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
2225 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
2226 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
2227 #endif
2228 #if IS_ENABLED(CONFIG_HID_PENMOUNT)
2229 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2230 #endif
2231 #if IS_ENABLED(CONFIG_HID_PETALYNX)
2232 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2233 #endif
2234 #if IS_ENABLED(CONFIG_HID_PICOLCD)
2235 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
2236 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
2237 #endif
2238 #if IS_ENABLED(CONFIG_HID_PLANTRONICS)
2239 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2240 #endif
2241 #if IS_ENABLED(CONFIG_HID_PRIMAX)
2242 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2243 #endif
2244 #if IS_ENABLED(CONFIG_HID_PRODIKEYS)
2245 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
2246 #endif
2247 #if IS_ENABLED(CONFIG_HID_RETRODE)
2248 	{ HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
2249 #endif
2250 #if IS_ENABLED(CONFIG_HID_RMI)
2251 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
2252 	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2253 #endif
2254 #if IS_ENABLED(CONFIG_HID_ROCCAT)
2255 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2256 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2257 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2258 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2259 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2260 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2261 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2262 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2263 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2264 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2265 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2266 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2267 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2268 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2269 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2270 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2271 #endif
2272 #if IS_ENABLED(CONFIG_HID_SAITEK)
2273 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2274 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2275 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2276 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
2277 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2278 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2279 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2280 #endif
2281 #if IS_ENABLED(CONFIG_HID_SAMSUNG)
2282 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2283 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2284 #endif
2285 #if IS_ENABLED(CONFIG_HID_SMARTJOYPLUS)
2286 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2287 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2288 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2289 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2290 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2291 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2292 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2293 #endif
2294 #if IS_ENABLED(CONFIG_HID_SONY)
2295 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
2296 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2297 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2298 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2299 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2300 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2301 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2302 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2303 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2304 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2305 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2306 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2307 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2308 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2309 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2310 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
2311 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2312 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2313 	{ HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2314 #endif
2315 #if IS_ENABLED(CONFIG_HID_SPEEDLINK)
2316 	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2317 #endif
2318 #if IS_ENABLED(CONFIG_HID_STEELSERIES)
2319 	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2320 #endif
2321 #if IS_ENABLED(CONFIG_HID_SUNPLUS)
2322 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2323 #endif
2324 #if IS_ENABLED(CONFIG_HID_THRUSTMASTER)
2325 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2326 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2327 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2328 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2329 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2330 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2331 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2332 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2333 #endif
2334 #if IS_ENABLED(CONFIG_HID_TIVO)
2335 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2336 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2337 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2338 #endif
2339 #if IS_ENABLED(CONFIG_HID_TOPSEED)
2340 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
2341 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
2342 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
2343 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2344 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2345 #endif
2346 #if IS_ENABLED(CONFIG_HID_TWINHAN)
2347 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2348 #endif
2349 #if IS_ENABLED(CONFIG_HID_UCLOGIC)
2350 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
2351 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) },
2352 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2353 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2354 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2355 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2356 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2357 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2358 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2359 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2360 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2361 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2362 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2363 	{ HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) },
2364 	{ HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
2365 #endif
2366 #if IS_ENABLED(CONFIG_HID_UDRAW_PS3)
2367 	{ HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
2368 #endif
2369 #if IS_ENABLED(CONFIG_HID_WALTOP)
2370 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2371 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2372 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2373 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2374 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2375 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2376 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2377 #endif
2378 #if IS_ENABLED(CONFIG_HID_XINMO)
2379 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2380 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
2381 #endif
2382 #if IS_ENABLED(CONFIG_HID_ZEROPLUS)
2383 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2384 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2385 #endif
2386 #if IS_ENABLED(CONFIG_HID_ZYDACRON)
2387 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2388 #endif
2389 	{ }
2390 };
2391 
2392 struct hid_dynid {
2393 	struct list_head list;
2394 	struct hid_device_id id;
2395 };
2396 
2397 /**
2398  * store_new_id - add a new HID device ID to this driver and re-probe devices
2399  * @driver: target device driver
2400  * @buf: buffer for scanning device ID data
2401  * @count: input size
2402  *
2403  * Adds a new dynamic hid device ID to this driver,
2404  * and causes the driver to probe for all devices again.
2405  */
2406 static ssize_t new_id_store(struct device_driver *drv, const char *buf,
2407 		size_t count)
2408 {
2409 	struct hid_driver *hdrv = to_hid_driver(drv);
2410 	struct hid_dynid *dynid;
2411 	__u32 bus, vendor, product;
2412 	unsigned long driver_data = 0;
2413 	int ret;
2414 
2415 	ret = sscanf(buf, "%x %x %x %lx",
2416 			&bus, &vendor, &product, &driver_data);
2417 	if (ret < 3)
2418 		return -EINVAL;
2419 
2420 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2421 	if (!dynid)
2422 		return -ENOMEM;
2423 
2424 	dynid->id.bus = bus;
2425 	dynid->id.group = HID_GROUP_ANY;
2426 	dynid->id.vendor = vendor;
2427 	dynid->id.product = product;
2428 	dynid->id.driver_data = driver_data;
2429 
2430 	spin_lock(&hdrv->dyn_lock);
2431 	list_add_tail(&dynid->list, &hdrv->dyn_list);
2432 	spin_unlock(&hdrv->dyn_lock);
2433 
2434 	ret = driver_attach(&hdrv->driver);
2435 
2436 	return ret ? : count;
2437 }
2438 static DRIVER_ATTR_WO(new_id);
2439 
2440 static struct attribute *hid_drv_attrs[] = {
2441 	&driver_attr_new_id.attr,
2442 	NULL,
2443 };
2444 ATTRIBUTE_GROUPS(hid_drv);
2445 
2446 static void hid_free_dynids(struct hid_driver *hdrv)
2447 {
2448 	struct hid_dynid *dynid, *n;
2449 
2450 	spin_lock(&hdrv->dyn_lock);
2451 	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2452 		list_del(&dynid->list);
2453 		kfree(dynid);
2454 	}
2455 	spin_unlock(&hdrv->dyn_lock);
2456 }
2457 
2458 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2459 		struct hid_driver *hdrv)
2460 {
2461 	struct hid_dynid *dynid;
2462 
2463 	spin_lock(&hdrv->dyn_lock);
2464 	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2465 		if (hid_match_one_id(hdev, &dynid->id)) {
2466 			spin_unlock(&hdrv->dyn_lock);
2467 			return &dynid->id;
2468 		}
2469 	}
2470 	spin_unlock(&hdrv->dyn_lock);
2471 
2472 	return hid_match_id(hdev, hdrv->id_table);
2473 }
2474 
2475 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2476 {
2477 	struct hid_driver *hdrv = to_hid_driver(drv);
2478 	struct hid_device *hdev = to_hid_device(dev);
2479 
2480 	return hid_match_device(hdev, hdrv) != NULL;
2481 }
2482 
2483 static int hid_device_probe(struct device *dev)
2484 {
2485 	struct hid_driver *hdrv = to_hid_driver(dev->driver);
2486 	struct hid_device *hdev = to_hid_device(dev);
2487 	const struct hid_device_id *id;
2488 	int ret = 0;
2489 
2490 	if (down_interruptible(&hdev->driver_lock))
2491 		return -EINTR;
2492 	if (down_interruptible(&hdev->driver_input_lock)) {
2493 		ret = -EINTR;
2494 		goto unlock_driver_lock;
2495 	}
2496 	hdev->io_started = false;
2497 
2498 	if (!hdev->driver) {
2499 		id = hid_match_device(hdev, hdrv);
2500 		if (id == NULL) {
2501 			ret = -ENODEV;
2502 			goto unlock;
2503 		}
2504 
2505 		hdev->driver = hdrv;
2506 		if (hdrv->probe) {
2507 			ret = hdrv->probe(hdev, id);
2508 		} else { /* default probe */
2509 			ret = hid_open_report(hdev);
2510 			if (!ret)
2511 				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2512 		}
2513 		if (ret) {
2514 			hid_close_report(hdev);
2515 			hdev->driver = NULL;
2516 		}
2517 	}
2518 unlock:
2519 	if (!hdev->io_started)
2520 		up(&hdev->driver_input_lock);
2521 unlock_driver_lock:
2522 	up(&hdev->driver_lock);
2523 	return ret;
2524 }
2525 
2526 static int hid_device_remove(struct device *dev)
2527 {
2528 	struct hid_device *hdev = to_hid_device(dev);
2529 	struct hid_driver *hdrv;
2530 	int ret = 0;
2531 
2532 	if (down_interruptible(&hdev->driver_lock))
2533 		return -EINTR;
2534 	if (down_interruptible(&hdev->driver_input_lock)) {
2535 		ret = -EINTR;
2536 		goto unlock_driver_lock;
2537 	}
2538 	hdev->io_started = false;
2539 
2540 	hdrv = hdev->driver;
2541 	if (hdrv) {
2542 		if (hdrv->remove)
2543 			hdrv->remove(hdev);
2544 		else /* default remove */
2545 			hid_hw_stop(hdev);
2546 		hid_close_report(hdev);
2547 		hdev->driver = NULL;
2548 	}
2549 
2550 	if (!hdev->io_started)
2551 		up(&hdev->driver_input_lock);
2552 unlock_driver_lock:
2553 	up(&hdev->driver_lock);
2554 	return ret;
2555 }
2556 
2557 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2558 			     char *buf)
2559 {
2560 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2561 
2562 	return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2563 			 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2564 }
2565 static DEVICE_ATTR_RO(modalias);
2566 
2567 static struct attribute *hid_dev_attrs[] = {
2568 	&dev_attr_modalias.attr,
2569 	NULL,
2570 };
2571 static struct bin_attribute *hid_dev_bin_attrs[] = {
2572 	&dev_bin_attr_report_desc,
2573 	NULL
2574 };
2575 static const struct attribute_group hid_dev_group = {
2576 	.attrs = hid_dev_attrs,
2577 	.bin_attrs = hid_dev_bin_attrs,
2578 };
2579 __ATTRIBUTE_GROUPS(hid_dev);
2580 
2581 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2582 {
2583 	struct hid_device *hdev = to_hid_device(dev);
2584 
2585 	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2586 			hdev->bus, hdev->vendor, hdev->product))
2587 		return -ENOMEM;
2588 
2589 	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2590 		return -ENOMEM;
2591 
2592 	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2593 		return -ENOMEM;
2594 
2595 	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2596 		return -ENOMEM;
2597 
2598 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2599 			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
2600 		return -ENOMEM;
2601 
2602 	return 0;
2603 }
2604 
2605 static struct bus_type hid_bus_type = {
2606 	.name		= "hid",
2607 	.dev_groups	= hid_dev_groups,
2608 	.drv_groups	= hid_drv_groups,
2609 	.match		= hid_bus_match,
2610 	.probe		= hid_device_probe,
2611 	.remove		= hid_device_remove,
2612 	.uevent		= hid_uevent,
2613 };
2614 
2615 /* a list of devices that shouldn't be handled by HID core at all */
2616 static const struct hid_device_id hid_ignore_list[] = {
2617 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2618 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2619 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2620 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2621 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2622 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2623 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2624 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2625 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2626 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2627 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2628 	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2629 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2630 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2631 	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2632 	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2633 	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2634 	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2635 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2636 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2637 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2638 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2639 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2640 	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2641 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2642 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2643 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2644 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2645 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2646 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2647 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2648 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2649 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2650 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2651 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2652 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2653 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2654 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2655 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2656 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2657 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2658 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2659 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2660 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2661 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2662 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2663 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2664 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2665 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2666 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2667 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2668 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2669 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2670 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2671 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2672 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2673 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2674 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2675 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2676 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2677 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2678 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2679 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2680 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2681 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2682 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2683 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2684 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2685 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2686 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2687 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2688 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2689 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2690 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2691 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2692 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2693 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2694 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2695 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2696 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2697 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2698 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2699 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2700 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2701 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2702 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2703 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2704 	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2705 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2706 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2707 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2708 	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2709 	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2710 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2711 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2712 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2713 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2714 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2715 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2716 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2717 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2718 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2719 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2720 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2721 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2722 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2723 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2724 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2725 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2726 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2727 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2728 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2729 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2730 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2731 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2732 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2733 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2734 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2735 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2736 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2737 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2738 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2739 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2740 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2741 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2742 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2743 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2744 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2745 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2746 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2747 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2748 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2749 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2750 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2751 	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2752 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2753 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2754 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2755 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2756 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2757 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2758 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2759 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2760 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2761 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2762 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2763 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2764 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2765 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2766 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
2767 	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2768 	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2769 #if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
2770 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2771 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2772 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2773 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2774 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2775 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2776 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2777 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2778 #endif
2779 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2780 	{ }
2781 };
2782 
2783 /**
2784  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2785  *
2786  * There are composite devices for which we want to ignore only a certain
2787  * interface. This is a list of devices for which only the mouse interface will
2788  * be ignored. This allows a dedicated driver to take care of the interface.
2789  */
2790 static const struct hid_device_id hid_mouse_ignore_list[] = {
2791 	/* appletouch driver */
2792 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2793 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2794 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2795 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2796 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2797 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2798 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2799 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2800 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2801 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2802 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2803 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2804 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2805 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2806 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2807 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2808 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2809 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2810 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2811 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2812 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2813 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2814 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2815 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2816 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2817 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2818 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2819 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2820 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2821 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2822 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2823 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2824 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2825 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2826 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2827 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2828 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2829 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2830 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2831 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2832 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2833 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2834 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2835 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2836 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2837 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2838 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2839 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2840 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2841 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2842 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2843 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2844 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2845 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2846 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2847 	{ }
2848 };
2849 
2850 bool hid_ignore(struct hid_device *hdev)
2851 {
2852 	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2853 		return false;
2854 	if (hdev->quirks & HID_QUIRK_IGNORE)
2855 		return true;
2856 
2857 	switch (hdev->vendor) {
2858 	case USB_VENDOR_ID_CODEMERCS:
2859 		/* ignore all Code Mercenaries IOWarrior devices */
2860 		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2861 				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2862 			return true;
2863 		break;
2864 	case USB_VENDOR_ID_LOGITECH:
2865 		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2866 				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2867 			return true;
2868 		/*
2869 		 * The Keene FM transmitter USB device has the same USB ID as
2870 		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2871 		 * Check if the name is that of the Keene device.
2872 		 * For reference: the name of the AudioHub is
2873 		 * "HOLTEK  AudioHub Speaker".
2874 		 */
2875 		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2876 			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2877 				return true;
2878 		break;
2879 	case USB_VENDOR_ID_SOUNDGRAPH:
2880 		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2881 		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2882 			return true;
2883 		break;
2884 	case USB_VENDOR_ID_HANWANG:
2885 		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2886 		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2887 			return true;
2888 		break;
2889 	case USB_VENDOR_ID_JESS:
2890 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2891 				hdev->type == HID_TYPE_USBNONE)
2892 			return true;
2893 		break;
2894 	case USB_VENDOR_ID_VELLEMAN:
2895 		/* These are not HID devices.  They are handled by comedi. */
2896 		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2897 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2898 		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2899 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2900 			return true;
2901 		break;
2902 	case USB_VENDOR_ID_ATMEL_V_USB:
2903 		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2904 		 * it has the same USB ID as many Atmel V-USB devices. This
2905 		 * usb radio is handled by radio-ma901.c driver so we want
2906 		 * ignore the hid. Check the name, bus, product and ignore
2907 		 * if we have MA901 usb radio.
2908 		 */
2909 		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2910 			hdev->bus == BUS_USB &&
2911 			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2912 			return true;
2913 		break;
2914 	}
2915 
2916 	if (hdev->type == HID_TYPE_USBMOUSE &&
2917 			hid_match_id(hdev, hid_mouse_ignore_list))
2918 		return true;
2919 
2920 	return !!hid_match_id(hdev, hid_ignore_list);
2921 }
2922 EXPORT_SYMBOL_GPL(hid_ignore);
2923 
2924 int hid_add_device(struct hid_device *hdev)
2925 {
2926 	static atomic_t id = ATOMIC_INIT(0);
2927 	int ret;
2928 
2929 	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2930 		return -EBUSY;
2931 
2932 	/* we need to kill them here, otherwise they will stay allocated to
2933 	 * wait for coming driver */
2934 	if (hid_ignore(hdev))
2935 		return -ENODEV;
2936 
2937 	/*
2938 	 * Check for the mandatory transport channel.
2939 	 */
2940 	 if (!hdev->ll_driver->raw_request) {
2941 		hid_err(hdev, "transport driver missing .raw_request()\n");
2942 		return -EINVAL;
2943 	 }
2944 
2945 	/*
2946 	 * Read the device report descriptor once and use as template
2947 	 * for the driver-specific modifications.
2948 	 */
2949 	ret = hdev->ll_driver->parse(hdev);
2950 	if (ret)
2951 		return ret;
2952 	if (!hdev->dev_rdesc)
2953 		return -ENODEV;
2954 
2955 	/*
2956 	 * Scan generic devices for group information
2957 	 */
2958 	if (hid_ignore_special_drivers) {
2959 		hdev->group = HID_GROUP_GENERIC;
2960 	} else if (!hdev->group &&
2961 		   !hid_match_id(hdev, hid_have_special_driver)) {
2962 		ret = hid_scan_report(hdev);
2963 		if (ret)
2964 			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2965 	}
2966 
2967 	/* XXX hack, any other cleaner solution after the driver core
2968 	 * is converted to allow more than 20 bytes as the device name? */
2969 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2970 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2971 
2972 	hid_debug_register(hdev, dev_name(&hdev->dev));
2973 	ret = device_add(&hdev->dev);
2974 	if (!ret)
2975 		hdev->status |= HID_STAT_ADDED;
2976 	else
2977 		hid_debug_unregister(hdev);
2978 
2979 	return ret;
2980 }
2981 EXPORT_SYMBOL_GPL(hid_add_device);
2982 
2983 /**
2984  * hid_allocate_device - allocate new hid device descriptor
2985  *
2986  * Allocate and initialize hid device, so that hid_destroy_device might be
2987  * used to free it.
2988  *
2989  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2990  * error value.
2991  */
2992 struct hid_device *hid_allocate_device(void)
2993 {
2994 	struct hid_device *hdev;
2995 	int ret = -ENOMEM;
2996 
2997 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2998 	if (hdev == NULL)
2999 		return ERR_PTR(ret);
3000 
3001 	device_initialize(&hdev->dev);
3002 	hdev->dev.release = hid_device_release;
3003 	hdev->dev.bus = &hid_bus_type;
3004 	device_enable_async_suspend(&hdev->dev);
3005 
3006 	hid_close_report(hdev);
3007 
3008 	init_waitqueue_head(&hdev->debug_wait);
3009 	INIT_LIST_HEAD(&hdev->debug_list);
3010 	spin_lock_init(&hdev->debug_list_lock);
3011 	sema_init(&hdev->driver_lock, 1);
3012 	sema_init(&hdev->driver_input_lock, 1);
3013 	mutex_init(&hdev->ll_open_lock);
3014 
3015 	return hdev;
3016 }
3017 EXPORT_SYMBOL_GPL(hid_allocate_device);
3018 
3019 static void hid_remove_device(struct hid_device *hdev)
3020 {
3021 	if (hdev->status & HID_STAT_ADDED) {
3022 		device_del(&hdev->dev);
3023 		hid_debug_unregister(hdev);
3024 		hdev->status &= ~HID_STAT_ADDED;
3025 	}
3026 	kfree(hdev->dev_rdesc);
3027 	hdev->dev_rdesc = NULL;
3028 	hdev->dev_rsize = 0;
3029 }
3030 
3031 /**
3032  * hid_destroy_device - free previously allocated device
3033  *
3034  * @hdev: hid device
3035  *
3036  * If you allocate hid_device through hid_allocate_device, you should ever
3037  * free by this function.
3038  */
3039 void hid_destroy_device(struct hid_device *hdev)
3040 {
3041 	hid_remove_device(hdev);
3042 	put_device(&hdev->dev);
3043 }
3044 EXPORT_SYMBOL_GPL(hid_destroy_device);
3045 
3046 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
3047 		const char *mod_name)
3048 {
3049 	hdrv->driver.name = hdrv->name;
3050 	hdrv->driver.bus = &hid_bus_type;
3051 	hdrv->driver.owner = owner;
3052 	hdrv->driver.mod_name = mod_name;
3053 
3054 	INIT_LIST_HEAD(&hdrv->dyn_list);
3055 	spin_lock_init(&hdrv->dyn_lock);
3056 
3057 	return driver_register(&hdrv->driver);
3058 }
3059 EXPORT_SYMBOL_GPL(__hid_register_driver);
3060 
3061 void hid_unregister_driver(struct hid_driver *hdrv)
3062 {
3063 	driver_unregister(&hdrv->driver);
3064 	hid_free_dynids(hdrv);
3065 }
3066 EXPORT_SYMBOL_GPL(hid_unregister_driver);
3067 
3068 int hid_check_keys_pressed(struct hid_device *hid)
3069 {
3070 	struct hid_input *hidinput;
3071 	int i;
3072 
3073 	if (!(hid->claimed & HID_CLAIMED_INPUT))
3074 		return 0;
3075 
3076 	list_for_each_entry(hidinput, &hid->inputs, list) {
3077 		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
3078 			if (hidinput->input->key[i])
3079 				return 1;
3080 	}
3081 
3082 	return 0;
3083 }
3084 
3085 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
3086 
3087 static int __init hid_init(void)
3088 {
3089 	int ret;
3090 
3091 	if (hid_debug)
3092 		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
3093 			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
3094 
3095 	ret = bus_register(&hid_bus_type);
3096 	if (ret) {
3097 		pr_err("can't register hid bus\n");
3098 		goto err;
3099 	}
3100 
3101 	ret = hidraw_init();
3102 	if (ret)
3103 		goto err_bus;
3104 
3105 	hid_debug_init();
3106 
3107 	return 0;
3108 err_bus:
3109 	bus_unregister(&hid_bus_type);
3110 err:
3111 	return ret;
3112 }
3113 
3114 static void __exit hid_exit(void)
3115 {
3116 	hid_debug_exit();
3117 	hidraw_exit();
3118 	bus_unregister(&hid_bus_type);
3119 }
3120 
3121 module_init(hid_init);
3122 module_exit(hid_exit);
3123 
3124 MODULE_AUTHOR("Andreas Gal");
3125 MODULE_AUTHOR("Vojtech Pavlik");
3126 MODULE_AUTHOR("Jiri Kosina");
3127 MODULE_LICENSE("GPL");
3128 
3129