xref: /openbmc/linux/drivers/hid/hid-core.c (revision 63dc02bd)
1 /*
2  *  HID support for Linux
3  *
4  *  Copyright (c) 1999 Andreas Gal
5  *  Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6  *  Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7  *  Copyright (c) 2006-2012 Jiri Kosina
8  */
9 
10 /*
11  * This program is free software; you can redistribute it and/or modify it
12  * under the terms of the GNU General Public License as published by the Free
13  * Software Foundation; either version 2 of the License, or (at your option)
14  * any later version.
15  */
16 
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 
19 #include <linux/module.h>
20 #include <linux/slab.h>
21 #include <linux/init.h>
22 #include <linux/kernel.h>
23 #include <linux/list.h>
24 #include <linux/mm.h>
25 #include <linux/spinlock.h>
26 #include <asm/unaligned.h>
27 #include <asm/byteorder.h>
28 #include <linux/input.h>
29 #include <linux/wait.h>
30 #include <linux/vmalloc.h>
31 #include <linux/sched.h>
32 #include <linux/semaphore.h>
33 
34 #include <linux/hid.h>
35 #include <linux/hiddev.h>
36 #include <linux/hid-debug.h>
37 #include <linux/hidraw.h>
38 
39 #include "hid-ids.h"
40 
41 /*
42  * Version Information
43  */
44 
45 #define DRIVER_DESC "HID core driver"
46 #define DRIVER_LICENSE "GPL"
47 
48 int hid_debug = 0;
49 module_param_named(debug, hid_debug, int, 0600);
50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51 EXPORT_SYMBOL_GPL(hid_debug);
52 
53 static int hid_ignore_special_drivers = 0;
54 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55 MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver");
56 
57 /*
58  * Register a new report for a device.
59  */
60 
61 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
62 {
63 	struct hid_report_enum *report_enum = device->report_enum + type;
64 	struct hid_report *report;
65 
66 	if (report_enum->report_id_hash[id])
67 		return report_enum->report_id_hash[id];
68 
69 	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
70 	if (!report)
71 		return NULL;
72 
73 	if (id != 0)
74 		report_enum->numbered = 1;
75 
76 	report->id = id;
77 	report->type = type;
78 	report->size = 0;
79 	report->device = device;
80 	report_enum->report_id_hash[id] = report;
81 
82 	list_add_tail(&report->list, &report_enum->report_list);
83 
84 	return report;
85 }
86 EXPORT_SYMBOL_GPL(hid_register_report);
87 
88 /*
89  * Register a new field for this report.
90  */
91 
92 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
93 {
94 	struct hid_field *field;
95 
96 	if (report->maxfield == HID_MAX_FIELDS) {
97 		hid_err(report->device, "too many fields in report\n");
98 		return NULL;
99 	}
100 
101 	field = kzalloc((sizeof(struct hid_field) +
102 			 usages * sizeof(struct hid_usage) +
103 			 values * sizeof(unsigned)), GFP_KERNEL);
104 	if (!field)
105 		return NULL;
106 
107 	field->index = report->maxfield++;
108 	report->field[field->index] = field;
109 	field->usage = (struct hid_usage *)(field + 1);
110 	field->value = (s32 *)(field->usage + usages);
111 	field->report = report;
112 
113 	return field;
114 }
115 
116 /*
117  * Open a collection. The type/usage is pushed on the stack.
118  */
119 
120 static int open_collection(struct hid_parser *parser, unsigned type)
121 {
122 	struct hid_collection *collection;
123 	unsigned usage;
124 
125 	usage = parser->local.usage[0];
126 
127 	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
128 		hid_err(parser->device, "collection stack overflow\n");
129 		return -1;
130 	}
131 
132 	if (parser->device->maxcollection == parser->device->collection_size) {
133 		collection = kmalloc(sizeof(struct hid_collection) *
134 				parser->device->collection_size * 2, GFP_KERNEL);
135 		if (collection == NULL) {
136 			hid_err(parser->device, "failed to reallocate collection array\n");
137 			return -1;
138 		}
139 		memcpy(collection, parser->device->collection,
140 			sizeof(struct hid_collection) *
141 			parser->device->collection_size);
142 		memset(collection + parser->device->collection_size, 0,
143 			sizeof(struct hid_collection) *
144 			parser->device->collection_size);
145 		kfree(parser->device->collection);
146 		parser->device->collection = collection;
147 		parser->device->collection_size *= 2;
148 	}
149 
150 	parser->collection_stack[parser->collection_stack_ptr++] =
151 		parser->device->maxcollection;
152 
153 	collection = parser->device->collection +
154 		parser->device->maxcollection++;
155 	collection->type = type;
156 	collection->usage = usage;
157 	collection->level = parser->collection_stack_ptr - 1;
158 
159 	if (type == HID_COLLECTION_APPLICATION)
160 		parser->device->maxapplication++;
161 
162 	return 0;
163 }
164 
165 /*
166  * Close a collection.
167  */
168 
169 static int close_collection(struct hid_parser *parser)
170 {
171 	if (!parser->collection_stack_ptr) {
172 		hid_err(parser->device, "collection stack underflow\n");
173 		return -1;
174 	}
175 	parser->collection_stack_ptr--;
176 	return 0;
177 }
178 
179 /*
180  * Climb up the stack, search for the specified collection type
181  * and return the usage.
182  */
183 
184 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
185 {
186 	struct hid_collection *collection = parser->device->collection;
187 	int n;
188 
189 	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
190 		unsigned index = parser->collection_stack[n];
191 		if (collection[index].type == type)
192 			return collection[index].usage;
193 	}
194 	return 0; /* we know nothing about this usage type */
195 }
196 
197 /*
198  * Add a usage to the temporary parser table.
199  */
200 
201 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
202 {
203 	if (parser->local.usage_index >= HID_MAX_USAGES) {
204 		hid_err(parser->device, "usage index exceeded\n");
205 		return -1;
206 	}
207 	parser->local.usage[parser->local.usage_index] = usage;
208 	parser->local.collection_index[parser->local.usage_index] =
209 		parser->collection_stack_ptr ?
210 		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
211 	parser->local.usage_index++;
212 	return 0;
213 }
214 
215 /*
216  * Register a new field for this report.
217  */
218 
219 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
220 {
221 	struct hid_report *report;
222 	struct hid_field *field;
223 	int usages;
224 	unsigned offset;
225 	int i;
226 
227 	report = hid_register_report(parser->device, report_type, parser->global.report_id);
228 	if (!report) {
229 		hid_err(parser->device, "hid_register_report failed\n");
230 		return -1;
231 	}
232 
233 	if (parser->global.logical_maximum < parser->global.logical_minimum) {
234 		hid_err(parser->device, "logical range invalid %d %d\n",
235 				parser->global.logical_minimum, parser->global.logical_maximum);
236 		return -1;
237 	}
238 
239 	offset = report->size;
240 	report->size += parser->global.report_size * parser->global.report_count;
241 
242 	if (!parser->local.usage_index) /* Ignore padding fields */
243 		return 0;
244 
245 	usages = max_t(int, parser->local.usage_index, parser->global.report_count);
246 
247 	field = hid_register_field(report, usages, parser->global.report_count);
248 	if (!field)
249 		return 0;
250 
251 	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
252 	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
253 	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
254 
255 	for (i = 0; i < usages; i++) {
256 		int j = i;
257 		/* Duplicate the last usage we parsed if we have excess values */
258 		if (i >= parser->local.usage_index)
259 			j = parser->local.usage_index - 1;
260 		field->usage[i].hid = parser->local.usage[j];
261 		field->usage[i].collection_index =
262 			parser->local.collection_index[j];
263 	}
264 
265 	field->maxusage = usages;
266 	field->flags = flags;
267 	field->report_offset = offset;
268 	field->report_type = report_type;
269 	field->report_size = parser->global.report_size;
270 	field->report_count = parser->global.report_count;
271 	field->logical_minimum = parser->global.logical_minimum;
272 	field->logical_maximum = parser->global.logical_maximum;
273 	field->physical_minimum = parser->global.physical_minimum;
274 	field->physical_maximum = parser->global.physical_maximum;
275 	field->unit_exponent = parser->global.unit_exponent;
276 	field->unit = parser->global.unit;
277 
278 	return 0;
279 }
280 
281 /*
282  * Read data value from item.
283  */
284 
285 static u32 item_udata(struct hid_item *item)
286 {
287 	switch (item->size) {
288 	case 1: return item->data.u8;
289 	case 2: return item->data.u16;
290 	case 4: return item->data.u32;
291 	}
292 	return 0;
293 }
294 
295 static s32 item_sdata(struct hid_item *item)
296 {
297 	switch (item->size) {
298 	case 1: return item->data.s8;
299 	case 2: return item->data.s16;
300 	case 4: return item->data.s32;
301 	}
302 	return 0;
303 }
304 
305 /*
306  * Process a global item.
307  */
308 
309 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
310 {
311 	switch (item->tag) {
312 	case HID_GLOBAL_ITEM_TAG_PUSH:
313 
314 		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
315 			hid_err(parser->device, "global environment stack overflow\n");
316 			return -1;
317 		}
318 
319 		memcpy(parser->global_stack + parser->global_stack_ptr++,
320 			&parser->global, sizeof(struct hid_global));
321 		return 0;
322 
323 	case HID_GLOBAL_ITEM_TAG_POP:
324 
325 		if (!parser->global_stack_ptr) {
326 			hid_err(parser->device, "global environment stack underflow\n");
327 			return -1;
328 		}
329 
330 		memcpy(&parser->global, parser->global_stack +
331 			--parser->global_stack_ptr, sizeof(struct hid_global));
332 		return 0;
333 
334 	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
335 		parser->global.usage_page = item_udata(item);
336 		return 0;
337 
338 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
339 		parser->global.logical_minimum = item_sdata(item);
340 		return 0;
341 
342 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
343 		if (parser->global.logical_minimum < 0)
344 			parser->global.logical_maximum = item_sdata(item);
345 		else
346 			parser->global.logical_maximum = item_udata(item);
347 		return 0;
348 
349 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
350 		parser->global.physical_minimum = item_sdata(item);
351 		return 0;
352 
353 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
354 		if (parser->global.physical_minimum < 0)
355 			parser->global.physical_maximum = item_sdata(item);
356 		else
357 			parser->global.physical_maximum = item_udata(item);
358 		return 0;
359 
360 	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
361 		parser->global.unit_exponent = item_sdata(item);
362 		return 0;
363 
364 	case HID_GLOBAL_ITEM_TAG_UNIT:
365 		parser->global.unit = item_udata(item);
366 		return 0;
367 
368 	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
369 		parser->global.report_size = item_udata(item);
370 		if (parser->global.report_size > 96) {
371 			hid_err(parser->device, "invalid report_size %d\n",
372 					parser->global.report_size);
373 			return -1;
374 		}
375 		return 0;
376 
377 	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
378 		parser->global.report_count = item_udata(item);
379 		if (parser->global.report_count > HID_MAX_USAGES) {
380 			hid_err(parser->device, "invalid report_count %d\n",
381 					parser->global.report_count);
382 			return -1;
383 		}
384 		return 0;
385 
386 	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
387 		parser->global.report_id = item_udata(item);
388 		if (parser->global.report_id == 0) {
389 			hid_err(parser->device, "report_id 0 is invalid\n");
390 			return -1;
391 		}
392 		return 0;
393 
394 	default:
395 		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
396 		return -1;
397 	}
398 }
399 
400 /*
401  * Process a local item.
402  */
403 
404 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
405 {
406 	__u32 data;
407 	unsigned n;
408 
409 	data = item_udata(item);
410 
411 	switch (item->tag) {
412 	case HID_LOCAL_ITEM_TAG_DELIMITER:
413 
414 		if (data) {
415 			/*
416 			 * We treat items before the first delimiter
417 			 * as global to all usage sets (branch 0).
418 			 * In the moment we process only these global
419 			 * items and the first delimiter set.
420 			 */
421 			if (parser->local.delimiter_depth != 0) {
422 				hid_err(parser->device, "nested delimiters\n");
423 				return -1;
424 			}
425 			parser->local.delimiter_depth++;
426 			parser->local.delimiter_branch++;
427 		} else {
428 			if (parser->local.delimiter_depth < 1) {
429 				hid_err(parser->device, "bogus close delimiter\n");
430 				return -1;
431 			}
432 			parser->local.delimiter_depth--;
433 		}
434 		return 1;
435 
436 	case HID_LOCAL_ITEM_TAG_USAGE:
437 
438 		if (parser->local.delimiter_branch > 1) {
439 			dbg_hid("alternative usage ignored\n");
440 			return 0;
441 		}
442 
443 		if (item->size <= 2)
444 			data = (parser->global.usage_page << 16) + data;
445 
446 		return hid_add_usage(parser, data);
447 
448 	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
449 
450 		if (parser->local.delimiter_branch > 1) {
451 			dbg_hid("alternative usage ignored\n");
452 			return 0;
453 		}
454 
455 		if (item->size <= 2)
456 			data = (parser->global.usage_page << 16) + data;
457 
458 		parser->local.usage_minimum = data;
459 		return 0;
460 
461 	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
462 
463 		if (parser->local.delimiter_branch > 1) {
464 			dbg_hid("alternative usage ignored\n");
465 			return 0;
466 		}
467 
468 		if (item->size <= 2)
469 			data = (parser->global.usage_page << 16) + data;
470 
471 		for (n = parser->local.usage_minimum; n <= data; n++)
472 			if (hid_add_usage(parser, n)) {
473 				dbg_hid("hid_add_usage failed\n");
474 				return -1;
475 			}
476 		return 0;
477 
478 	default:
479 
480 		dbg_hid("unknown local item tag 0x%x\n", item->tag);
481 		return 0;
482 	}
483 	return 0;
484 }
485 
486 /*
487  * Process a main item.
488  */
489 
490 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
491 {
492 	__u32 data;
493 	int ret;
494 
495 	data = item_udata(item);
496 
497 	switch (item->tag) {
498 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
499 		ret = open_collection(parser, data & 0xff);
500 		break;
501 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
502 		ret = close_collection(parser);
503 		break;
504 	case HID_MAIN_ITEM_TAG_INPUT:
505 		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
506 		break;
507 	case HID_MAIN_ITEM_TAG_OUTPUT:
508 		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
509 		break;
510 	case HID_MAIN_ITEM_TAG_FEATURE:
511 		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
512 		break;
513 	default:
514 		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
515 		ret = 0;
516 	}
517 
518 	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
519 
520 	return ret;
521 }
522 
523 /*
524  * Process a reserved item.
525  */
526 
527 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
528 {
529 	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
530 	return 0;
531 }
532 
533 /*
534  * Free a report and all registered fields. The field->usage and
535  * field->value table's are allocated behind the field, so we need
536  * only to free(field) itself.
537  */
538 
539 static void hid_free_report(struct hid_report *report)
540 {
541 	unsigned n;
542 
543 	for (n = 0; n < report->maxfield; n++)
544 		kfree(report->field[n]);
545 	kfree(report);
546 }
547 
548 /*
549  * Free a device structure, all reports, and all fields.
550  */
551 
552 static void hid_device_release(struct device *dev)
553 {
554 	struct hid_device *device = container_of(dev, struct hid_device, dev);
555 	unsigned i, j;
556 
557 	for (i = 0; i < HID_REPORT_TYPES; i++) {
558 		struct hid_report_enum *report_enum = device->report_enum + i;
559 
560 		for (j = 0; j < 256; j++) {
561 			struct hid_report *report = report_enum->report_id_hash[j];
562 			if (report)
563 				hid_free_report(report);
564 		}
565 	}
566 
567 	kfree(device->rdesc);
568 	kfree(device->collection);
569 	kfree(device);
570 }
571 
572 /*
573  * Fetch a report description item from the data stream. We support long
574  * items, though they are not used yet.
575  */
576 
577 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
578 {
579 	u8 b;
580 
581 	if ((end - start) <= 0)
582 		return NULL;
583 
584 	b = *start++;
585 
586 	item->type = (b >> 2) & 3;
587 	item->tag  = (b >> 4) & 15;
588 
589 	if (item->tag == HID_ITEM_TAG_LONG) {
590 
591 		item->format = HID_ITEM_FORMAT_LONG;
592 
593 		if ((end - start) < 2)
594 			return NULL;
595 
596 		item->size = *start++;
597 		item->tag  = *start++;
598 
599 		if ((end - start) < item->size)
600 			return NULL;
601 
602 		item->data.longdata = start;
603 		start += item->size;
604 		return start;
605 	}
606 
607 	item->format = HID_ITEM_FORMAT_SHORT;
608 	item->size = b & 3;
609 
610 	switch (item->size) {
611 	case 0:
612 		return start;
613 
614 	case 1:
615 		if ((end - start) < 1)
616 			return NULL;
617 		item->data.u8 = *start++;
618 		return start;
619 
620 	case 2:
621 		if ((end - start) < 2)
622 			return NULL;
623 		item->data.u16 = get_unaligned_le16(start);
624 		start = (__u8 *)((__le16 *)start + 1);
625 		return start;
626 
627 	case 3:
628 		item->size++;
629 		if ((end - start) < 4)
630 			return NULL;
631 		item->data.u32 = get_unaligned_le32(start);
632 		start = (__u8 *)((__le32 *)start + 1);
633 		return start;
634 	}
635 
636 	return NULL;
637 }
638 
639 /**
640  * hid_parse_report - parse device report
641  *
642  * @device: hid device
643  * @start: report start
644  * @size: report size
645  *
646  * Parse a report description into a hid_device structure. Reports are
647  * enumerated, fields are attached to these reports.
648  * 0 returned on success, otherwise nonzero error value.
649  */
650 int hid_parse_report(struct hid_device *device, __u8 *start,
651 		unsigned size)
652 {
653 	struct hid_parser *parser;
654 	struct hid_item item;
655 	__u8 *end;
656 	int ret;
657 	static int (*dispatch_type[])(struct hid_parser *parser,
658 				      struct hid_item *item) = {
659 		hid_parser_main,
660 		hid_parser_global,
661 		hid_parser_local,
662 		hid_parser_reserved
663 	};
664 
665 	if (device->driver->report_fixup)
666 		start = device->driver->report_fixup(device, start, &size);
667 
668 	device->rdesc = kmemdup(start, size, GFP_KERNEL);
669 	if (device->rdesc == NULL)
670 		return -ENOMEM;
671 	device->rsize = size;
672 
673 	parser = vzalloc(sizeof(struct hid_parser));
674 	if (!parser) {
675 		ret = -ENOMEM;
676 		goto err;
677 	}
678 
679 	parser->device = device;
680 
681 	end = start + size;
682 	ret = -EINVAL;
683 	while ((start = fetch_item(start, end, &item)) != NULL) {
684 
685 		if (item.format != HID_ITEM_FORMAT_SHORT) {
686 			hid_err(device, "unexpected long global item\n");
687 			goto err;
688 		}
689 
690 		if (dispatch_type[item.type](parser, &item)) {
691 			hid_err(device, "item %u %u %u %u parsing failed\n",
692 				item.format, (unsigned)item.size,
693 				(unsigned)item.type, (unsigned)item.tag);
694 			goto err;
695 		}
696 
697 		if (start == end) {
698 			if (parser->collection_stack_ptr) {
699 				hid_err(device, "unbalanced collection at end of report description\n");
700 				goto err;
701 			}
702 			if (parser->local.delimiter_depth) {
703 				hid_err(device, "unbalanced delimiter at end of report description\n");
704 				goto err;
705 			}
706 			vfree(parser);
707 			return 0;
708 		}
709 	}
710 
711 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
712 err:
713 	vfree(parser);
714 	return ret;
715 }
716 EXPORT_SYMBOL_GPL(hid_parse_report);
717 
718 /*
719  * Convert a signed n-bit integer to signed 32-bit integer. Common
720  * cases are done through the compiler, the screwed things has to be
721  * done by hand.
722  */
723 
724 static s32 snto32(__u32 value, unsigned n)
725 {
726 	switch (n) {
727 	case 8:  return ((__s8)value);
728 	case 16: return ((__s16)value);
729 	case 32: return ((__s32)value);
730 	}
731 	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
732 }
733 
734 /*
735  * Convert a signed 32-bit integer to a signed n-bit integer.
736  */
737 
738 static u32 s32ton(__s32 value, unsigned n)
739 {
740 	s32 a = value >> (n - 1);
741 	if (a && a != -1)
742 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
743 	return value & ((1 << n) - 1);
744 }
745 
746 /*
747  * Extract/implement a data field from/to a little endian report (bit array).
748  *
749  * Code sort-of follows HID spec:
750  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
751  *
752  * While the USB HID spec allows unlimited length bit fields in "report
753  * descriptors", most devices never use more than 16 bits.
754  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
755  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
756  */
757 
758 static __u32 extract(const struct hid_device *hid, __u8 *report,
759 		     unsigned offset, unsigned n)
760 {
761 	u64 x;
762 
763 	if (n > 32)
764 		hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
765 			 n, current->comm);
766 
767 	report += offset >> 3;  /* adjust byte index */
768 	offset &= 7;            /* now only need bit offset into one byte */
769 	x = get_unaligned_le64(report);
770 	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
771 	return (u32) x;
772 }
773 
774 /*
775  * "implement" : set bits in a little endian bit stream.
776  * Same concepts as "extract" (see comments above).
777  * The data mangled in the bit stream remains in little endian
778  * order the whole time. It make more sense to talk about
779  * endianness of register values by considering a register
780  * a "cached" copy of the little endiad bit stream.
781  */
782 static void implement(const struct hid_device *hid, __u8 *report,
783 		      unsigned offset, unsigned n, __u32 value)
784 {
785 	u64 x;
786 	u64 m = (1ULL << n) - 1;
787 
788 	if (n > 32)
789 		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
790 			 __func__, n, current->comm);
791 
792 	if (value > m)
793 		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
794 			 __func__, value, current->comm);
795 	WARN_ON(value > m);
796 	value &= m;
797 
798 	report += offset >> 3;
799 	offset &= 7;
800 
801 	x = get_unaligned_le64(report);
802 	x &= ~(m << offset);
803 	x |= ((u64)value) << offset;
804 	put_unaligned_le64(x, report);
805 }
806 
807 /*
808  * Search an array for a value.
809  */
810 
811 static int search(__s32 *array, __s32 value, unsigned n)
812 {
813 	while (n--) {
814 		if (*array++ == value)
815 			return 0;
816 	}
817 	return -1;
818 }
819 
820 /**
821  * hid_match_report - check if driver's raw_event should be called
822  *
823  * @hid: hid device
824  * @report_type: type to match against
825  *
826  * compare hid->driver->report_table->report_type to report->type
827  */
828 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
829 {
830 	const struct hid_report_id *id = hid->driver->report_table;
831 
832 	if (!id) /* NULL means all */
833 		return 1;
834 
835 	for (; id->report_type != HID_TERMINATOR; id++)
836 		if (id->report_type == HID_ANY_ID ||
837 				id->report_type == report->type)
838 			return 1;
839 	return 0;
840 }
841 
842 /**
843  * hid_match_usage - check if driver's event should be called
844  *
845  * @hid: hid device
846  * @usage: usage to match against
847  *
848  * compare hid->driver->usage_table->usage_{type,code} to
849  * usage->usage_{type,code}
850  */
851 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
852 {
853 	const struct hid_usage_id *id = hid->driver->usage_table;
854 
855 	if (!id) /* NULL means all */
856 		return 1;
857 
858 	for (; id->usage_type != HID_ANY_ID - 1; id++)
859 		if ((id->usage_hid == HID_ANY_ID ||
860 				id->usage_hid == usage->hid) &&
861 				(id->usage_type == HID_ANY_ID ||
862 				id->usage_type == usage->type) &&
863 				(id->usage_code == HID_ANY_ID ||
864 				 id->usage_code == usage->code))
865 			return 1;
866 	return 0;
867 }
868 
869 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
870 		struct hid_usage *usage, __s32 value, int interrupt)
871 {
872 	struct hid_driver *hdrv = hid->driver;
873 	int ret;
874 
875 	hid_dump_input(hid, usage, value);
876 
877 	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
878 		ret = hdrv->event(hid, field, usage, value);
879 		if (ret != 0) {
880 			if (ret < 0)
881 				hid_err(hid, "%s's event failed with %d\n",
882 						hdrv->name, ret);
883 			return;
884 		}
885 	}
886 
887 	if (hid->claimed & HID_CLAIMED_INPUT)
888 		hidinput_hid_event(hid, field, usage, value);
889 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
890 		hid->hiddev_hid_event(hid, field, usage, value);
891 }
892 
893 /*
894  * Analyse a received field, and fetch the data from it. The field
895  * content is stored for next report processing (we do differential
896  * reporting to the layer).
897  */
898 
899 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
900 			    __u8 *data, int interrupt)
901 {
902 	unsigned n;
903 	unsigned count = field->report_count;
904 	unsigned offset = field->report_offset;
905 	unsigned size = field->report_size;
906 	__s32 min = field->logical_minimum;
907 	__s32 max = field->logical_maximum;
908 	__s32 *value;
909 
910 	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
911 	if (!value)
912 		return;
913 
914 	for (n = 0; n < count; n++) {
915 
916 		value[n] = min < 0 ?
917 			snto32(extract(hid, data, offset + n * size, size),
918 			       size) :
919 			extract(hid, data, offset + n * size, size);
920 
921 		/* Ignore report if ErrorRollOver */
922 		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
923 		    value[n] >= min && value[n] <= max &&
924 		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
925 			goto exit;
926 	}
927 
928 	for (n = 0; n < count; n++) {
929 
930 		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
931 			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
932 			continue;
933 		}
934 
935 		if (field->value[n] >= min && field->value[n] <= max
936 			&& field->usage[field->value[n] - min].hid
937 			&& search(value, field->value[n], count))
938 				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
939 
940 		if (value[n] >= min && value[n] <= max
941 			&& field->usage[value[n] - min].hid
942 			&& search(field->value, value[n], count))
943 				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
944 	}
945 
946 	memcpy(field->value, value, count * sizeof(__s32));
947 exit:
948 	kfree(value);
949 }
950 
951 /*
952  * Output the field into the report.
953  */
954 
955 static void hid_output_field(const struct hid_device *hid,
956 			     struct hid_field *field, __u8 *data)
957 {
958 	unsigned count = field->report_count;
959 	unsigned offset = field->report_offset;
960 	unsigned size = field->report_size;
961 	unsigned n;
962 
963 	for (n = 0; n < count; n++) {
964 		if (field->logical_minimum < 0)	/* signed values */
965 			implement(hid, data, offset + n * size, size,
966 				  s32ton(field->value[n], size));
967 		else				/* unsigned values */
968 			implement(hid, data, offset + n * size, size,
969 				  field->value[n]);
970 	}
971 }
972 
973 /*
974  * Create a report.
975  */
976 
977 void hid_output_report(struct hid_report *report, __u8 *data)
978 {
979 	unsigned n;
980 
981 	if (report->id > 0)
982 		*data++ = report->id;
983 
984 	memset(data, 0, ((report->size - 1) >> 3) + 1);
985 	for (n = 0; n < report->maxfield; n++)
986 		hid_output_field(report->device, report->field[n], data);
987 }
988 EXPORT_SYMBOL_GPL(hid_output_report);
989 
990 /*
991  * Set a field value. The report this field belongs to has to be
992  * created and transferred to the device, to set this value in the
993  * device.
994  */
995 
996 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
997 {
998 	unsigned size = field->report_size;
999 
1000 	hid_dump_input(field->report->device, field->usage + offset, value);
1001 
1002 	if (offset >= field->report_count) {
1003 		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1004 				offset, field->report_count);
1005 		return -1;
1006 	}
1007 	if (field->logical_minimum < 0) {
1008 		if (value != snto32(s32ton(value, size), size)) {
1009 			hid_err(field->report->device, "value %d is out of range\n", value);
1010 			return -1;
1011 		}
1012 	}
1013 	field->value[offset] = value;
1014 	return 0;
1015 }
1016 EXPORT_SYMBOL_GPL(hid_set_field);
1017 
1018 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1019 		const u8 *data)
1020 {
1021 	struct hid_report *report;
1022 	unsigned int n = 0;	/* Normally report number is 0 */
1023 
1024 	/* Device uses numbered reports, data[0] is report number */
1025 	if (report_enum->numbered)
1026 		n = *data;
1027 
1028 	report = report_enum->report_id_hash[n];
1029 	if (report == NULL)
1030 		dbg_hid("undefined report_id %u received\n", n);
1031 
1032 	return report;
1033 }
1034 
1035 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1036 		int interrupt)
1037 {
1038 	struct hid_report_enum *report_enum = hid->report_enum + type;
1039 	struct hid_report *report;
1040 	unsigned int a;
1041 	int rsize, csize = size;
1042 	u8 *cdata = data;
1043 
1044 	report = hid_get_report(report_enum, data);
1045 	if (!report)
1046 		return;
1047 
1048 	if (report_enum->numbered) {
1049 		cdata++;
1050 		csize--;
1051 	}
1052 
1053 	rsize = ((report->size - 1) >> 3) + 1;
1054 
1055 	if (rsize > HID_MAX_BUFFER_SIZE)
1056 		rsize = HID_MAX_BUFFER_SIZE;
1057 
1058 	if (csize < rsize) {
1059 		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1060 				csize, rsize);
1061 		memset(cdata + csize, 0, rsize - csize);
1062 	}
1063 
1064 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1065 		hid->hiddev_report_event(hid, report);
1066 	if (hid->claimed & HID_CLAIMED_HIDRAW)
1067 		hidraw_report_event(hid, data, size);
1068 
1069 	for (a = 0; a < report->maxfield; a++)
1070 		hid_input_field(hid, report->field[a], cdata, interrupt);
1071 
1072 	if (hid->claimed & HID_CLAIMED_INPUT)
1073 		hidinput_report_event(hid, report);
1074 }
1075 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1076 
1077 /**
1078  * hid_input_report - report data from lower layer (usb, bt...)
1079  *
1080  * @hid: hid device
1081  * @type: HID report type (HID_*_REPORT)
1082  * @data: report contents
1083  * @size: size of data parameter
1084  * @interrupt: distinguish between interrupt and control transfers
1085  *
1086  * This is data entry for lower layers.
1087  */
1088 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1089 {
1090 	struct hid_report_enum *report_enum;
1091 	struct hid_driver *hdrv;
1092 	struct hid_report *report;
1093 	char *buf;
1094 	unsigned int i;
1095 	int ret = 0;
1096 
1097 	if (!hid)
1098 		return -ENODEV;
1099 
1100 	if (down_trylock(&hid->driver_lock))
1101 		return -EBUSY;
1102 
1103 	if (!hid->driver) {
1104 		ret = -ENODEV;
1105 		goto unlock;
1106 	}
1107 	report_enum = hid->report_enum + type;
1108 	hdrv = hid->driver;
1109 
1110 	if (!size) {
1111 		dbg_hid("empty report\n");
1112 		ret = -1;
1113 		goto unlock;
1114 	}
1115 
1116 	buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1117 
1118 	if (!buf)
1119 		goto nomem;
1120 
1121 	/* dump the report */
1122 	snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1123 			"\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1124 	hid_debug_event(hid, buf);
1125 
1126 	for (i = 0; i < size; i++) {
1127 		snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1128 				" %02x", data[i]);
1129 		hid_debug_event(hid, buf);
1130 	}
1131 	hid_debug_event(hid, "\n");
1132 	kfree(buf);
1133 
1134 nomem:
1135 	report = hid_get_report(report_enum, data);
1136 
1137 	if (!report) {
1138 		ret = -1;
1139 		goto unlock;
1140 	}
1141 
1142 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1143 		ret = hdrv->raw_event(hid, report, data, size);
1144 		if (ret != 0) {
1145 			ret = ret < 0 ? ret : 0;
1146 			goto unlock;
1147 		}
1148 	}
1149 
1150 	hid_report_raw_event(hid, type, data, size, interrupt);
1151 
1152 unlock:
1153 	up(&hid->driver_lock);
1154 	return ret;
1155 }
1156 EXPORT_SYMBOL_GPL(hid_input_report);
1157 
1158 static bool hid_match_one_id(struct hid_device *hdev,
1159 		const struct hid_device_id *id)
1160 {
1161 	return id->bus == hdev->bus &&
1162 		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1163 		(id->product == HID_ANY_ID || id->product == hdev->product);
1164 }
1165 
1166 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1167 		const struct hid_device_id *id)
1168 {
1169 	for (; id->bus; id++)
1170 		if (hid_match_one_id(hdev, id))
1171 			return id;
1172 
1173 	return NULL;
1174 }
1175 
1176 static const struct hid_device_id hid_hiddev_list[] = {
1177 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1178 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1179 	{ }
1180 };
1181 
1182 static bool hid_hiddev(struct hid_device *hdev)
1183 {
1184 	return !!hid_match_id(hdev, hid_hiddev_list);
1185 }
1186 
1187 
1188 static ssize_t
1189 read_report_descriptor(struct file *filp, struct kobject *kobj,
1190 		struct bin_attribute *attr,
1191 		char *buf, loff_t off, size_t count)
1192 {
1193 	struct device *dev = container_of(kobj, struct device, kobj);
1194 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1195 
1196 	if (off >= hdev->rsize)
1197 		return 0;
1198 
1199 	if (off + count > hdev->rsize)
1200 		count = hdev->rsize - off;
1201 
1202 	memcpy(buf, hdev->rdesc + off, count);
1203 
1204 	return count;
1205 }
1206 
1207 static struct bin_attribute dev_bin_attr_report_desc = {
1208 	.attr = { .name = "report_descriptor", .mode = 0444 },
1209 	.read = read_report_descriptor,
1210 	.size = HID_MAX_DESCRIPTOR_SIZE,
1211 };
1212 
1213 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1214 {
1215 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1216 		"Joystick", "Gamepad", "Keyboard", "Keypad",
1217 		"Multi-Axis Controller"
1218 	};
1219 	const char *type, *bus;
1220 	char buf[64];
1221 	unsigned int i;
1222 	int len;
1223 	int ret;
1224 
1225 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1226 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1227 	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1228 		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1229 	if (hdev->bus != BUS_USB)
1230 		connect_mask &= ~HID_CONNECT_HIDDEV;
1231 	if (hid_hiddev(hdev))
1232 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1233 
1234 	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1235 				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1236 		hdev->claimed |= HID_CLAIMED_INPUT;
1237 	if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1238 		/* this device should be handled by hid-multitouch, skip it */
1239 		return -ENODEV;
1240 	}
1241 
1242 	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1243 			!hdev->hiddev_connect(hdev,
1244 				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1245 		hdev->claimed |= HID_CLAIMED_HIDDEV;
1246 	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1247 		hdev->claimed |= HID_CLAIMED_HIDRAW;
1248 
1249 	if (!hdev->claimed) {
1250 		hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1251 		return -ENODEV;
1252 	}
1253 
1254 	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1255 			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1256 		hdev->ff_init(hdev);
1257 
1258 	len = 0;
1259 	if (hdev->claimed & HID_CLAIMED_INPUT)
1260 		len += sprintf(buf + len, "input");
1261 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1262 		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1263 				hdev->minor);
1264 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1265 		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1266 				((struct hidraw *)hdev->hidraw)->minor);
1267 
1268 	type = "Device";
1269 	for (i = 0; i < hdev->maxcollection; i++) {
1270 		struct hid_collection *col = &hdev->collection[i];
1271 		if (col->type == HID_COLLECTION_APPLICATION &&
1272 		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1273 		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1274 			type = types[col->usage & 0xffff];
1275 			break;
1276 		}
1277 	}
1278 
1279 	switch (hdev->bus) {
1280 	case BUS_USB:
1281 		bus = "USB";
1282 		break;
1283 	case BUS_BLUETOOTH:
1284 		bus = "BLUETOOTH";
1285 		break;
1286 	default:
1287 		bus = "<UNKNOWN>";
1288 	}
1289 
1290 	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1291 	if (ret)
1292 		hid_warn(hdev,
1293 			 "can't create sysfs report descriptor attribute err: %d\n", ret);
1294 
1295 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1296 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1297 		 type, hdev->name, hdev->phys);
1298 
1299 	return 0;
1300 }
1301 EXPORT_SYMBOL_GPL(hid_connect);
1302 
1303 void hid_disconnect(struct hid_device *hdev)
1304 {
1305 	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1306 	if (hdev->claimed & HID_CLAIMED_INPUT)
1307 		hidinput_disconnect(hdev);
1308 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1309 		hdev->hiddev_disconnect(hdev);
1310 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1311 		hidraw_disconnect(hdev);
1312 }
1313 EXPORT_SYMBOL_GPL(hid_disconnect);
1314 
1315 /* a list of devices for which there is a specialized driver on HID bus */
1316 static const struct hid_device_id hid_have_special_driver[] = {
1317 	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1318 	{ HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1319 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1320 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1321 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1322 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1323 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1324 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1325 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1326 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1327 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1328 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1329 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1330 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1331 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1332 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1333 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1334 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1335 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1336 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1337 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1338 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1339 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1340 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1341 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1342 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1343 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1344 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1345 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1346 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1347 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1348 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1349 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1350 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1351 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1352 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1353 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1354 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1355 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1356 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1357 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1358 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1359 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1360 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1361 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1362 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1363 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1364 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1365 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1366 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1367 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1368 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1369 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1370 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1371 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1372 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1373 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1374 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1375 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1376 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1377 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1378 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1379 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1380 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1381 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1382 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1383 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1384 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1385 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1386 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1387 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1388 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1389 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1390 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1391 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1392 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1393 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1394 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1395 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1396 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1397 	{ HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1398 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1399 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1400 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1401 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1402 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1403 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1404 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1405 	{ HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1406 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1407 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1408 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1409 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1410 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1411 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1412 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1413 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1414 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1415 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1416 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1417 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
1418 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1419 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1420 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1421 	{ HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1422 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1423 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1424 	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1425 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1426 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_FRUCTEL, USB_DEVICE_ID_GAMETEL_MT_MODE) },
1427 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1428 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1429 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1430 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1431 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1432 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1433 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1434 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1435 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1436 	{ HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1437 	{ HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1438  	{ HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1439 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1440 	{ HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1441 	{ HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1442 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1443 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1444 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1445 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1446 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1447 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1448 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1449 	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1450 	{ HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1451 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1452 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1453 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1454 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1455 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1456 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1457 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1458 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1459 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1460 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1461 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1462 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1463 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1464 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1465 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1466 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1467 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1468 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1469 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1470 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1471 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1472 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1473 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1474 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1475 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1476 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1477 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1478 #endif
1479 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1480 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1481 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1482 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1483 	{ HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1484 	{ HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1485 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1486 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1487 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1488 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1489 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1490 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1491 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1492 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1493 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1494 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1495 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1496 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1497 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1498 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1499 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1500 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1501 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1502 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1503 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1504 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1505 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1506 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1507 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1508 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1509 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1510 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1511 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1512 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1513 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1514 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1515 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1516 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, USB_DEVICE_ID_PANABOARD_UBT780) },
1517 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, USB_DEVICE_ID_PANABOARD_UBT880) },
1518 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1519 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1520 	{ HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1521 	{ HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1522 	{ HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1523 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1524 	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1525 	{ HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1526 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1527 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1528 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1529 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1530 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1531 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1532 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1533 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1534 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1535 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1536 	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1537 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1538 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1539 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1540 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1541 	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1542 	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1543 	{ HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1544 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1545 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1546 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1547 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1548 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1549 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1550 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1551 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1552 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1553 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1554 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1555 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1556 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1557 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1558 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1559 	{ HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1560 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1561 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1562 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1563 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1564 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1565 	{ HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1566 	{ HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1567 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1568 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1569 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1570 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1571 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1572 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1573 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1574 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1575 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1576 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1577 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1578 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1579 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1580 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1581 	{ HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1582 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1583 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1584 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1585 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1586 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1587 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1588 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1589 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1590 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1591 	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1592 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1593 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1594 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1595 
1596 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1597 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1598 	{ }
1599 };
1600 
1601 struct hid_dynid {
1602 	struct list_head list;
1603 	struct hid_device_id id;
1604 };
1605 
1606 /**
1607  * store_new_id - add a new HID device ID to this driver and re-probe devices
1608  * @driver: target device driver
1609  * @buf: buffer for scanning device ID data
1610  * @count: input size
1611  *
1612  * Adds a new dynamic hid device ID to this driver,
1613  * and causes the driver to probe for all devices again.
1614  */
1615 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1616 		size_t count)
1617 {
1618 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1619 	struct hid_dynid *dynid;
1620 	__u32 bus, vendor, product;
1621 	unsigned long driver_data = 0;
1622 	int ret;
1623 
1624 	ret = sscanf(buf, "%x %x %x %lx",
1625 			&bus, &vendor, &product, &driver_data);
1626 	if (ret < 3)
1627 		return -EINVAL;
1628 
1629 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1630 	if (!dynid)
1631 		return -ENOMEM;
1632 
1633 	dynid->id.bus = bus;
1634 	dynid->id.vendor = vendor;
1635 	dynid->id.product = product;
1636 	dynid->id.driver_data = driver_data;
1637 
1638 	spin_lock(&hdrv->dyn_lock);
1639 	list_add_tail(&dynid->list, &hdrv->dyn_list);
1640 	spin_unlock(&hdrv->dyn_lock);
1641 
1642 	ret = driver_attach(&hdrv->driver);
1643 
1644 	return ret ? : count;
1645 }
1646 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1647 
1648 static void hid_free_dynids(struct hid_driver *hdrv)
1649 {
1650 	struct hid_dynid *dynid, *n;
1651 
1652 	spin_lock(&hdrv->dyn_lock);
1653 	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1654 		list_del(&dynid->list);
1655 		kfree(dynid);
1656 	}
1657 	spin_unlock(&hdrv->dyn_lock);
1658 }
1659 
1660 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1661 		struct hid_driver *hdrv)
1662 {
1663 	struct hid_dynid *dynid;
1664 
1665 	spin_lock(&hdrv->dyn_lock);
1666 	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1667 		if (hid_match_one_id(hdev, &dynid->id)) {
1668 			spin_unlock(&hdrv->dyn_lock);
1669 			return &dynid->id;
1670 		}
1671 	}
1672 	spin_unlock(&hdrv->dyn_lock);
1673 
1674 	return hid_match_id(hdev, hdrv->id_table);
1675 }
1676 
1677 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1678 {
1679 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1680 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1681 
1682 	if ((hdev->quirks & HID_QUIRK_MULTITOUCH) &&
1683 		!strncmp(hdrv->name, "hid-multitouch", 14))
1684 		return 1;
1685 
1686 	if (!hid_match_device(hdev, hdrv))
1687 		return 0;
1688 
1689 	/* generic wants all that don't have specialized driver */
1690 	if (!strncmp(hdrv->name, "generic-", 8) && !hid_ignore_special_drivers)
1691 		return !hid_match_id(hdev, hid_have_special_driver);
1692 
1693 	return 1;
1694 }
1695 
1696 static int hid_device_probe(struct device *dev)
1697 {
1698 	struct hid_driver *hdrv = container_of(dev->driver,
1699 			struct hid_driver, driver);
1700 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1701 	const struct hid_device_id *id;
1702 	int ret = 0;
1703 
1704 	if (down_interruptible(&hdev->driver_lock))
1705 		return -EINTR;
1706 
1707 	if (!hdev->driver) {
1708 		id = hid_match_device(hdev, hdrv);
1709 		if (id == NULL) {
1710 			if (!((hdev->quirks & HID_QUIRK_MULTITOUCH) &&
1711 				!strncmp(hdrv->name, "hid-multitouch", 14))) {
1712 				ret = -ENODEV;
1713 				goto unlock;
1714 			}
1715 		}
1716 
1717 		hdev->driver = hdrv;
1718 		if (hdrv->probe) {
1719 			ret = hdrv->probe(hdev, id);
1720 		} else { /* default probe */
1721 			ret = hid_parse(hdev);
1722 			if (!ret)
1723 				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1724 		}
1725 		if (ret)
1726 			hdev->driver = NULL;
1727 	}
1728 unlock:
1729 	up(&hdev->driver_lock);
1730 	return ret;
1731 }
1732 
1733 static int hid_device_remove(struct device *dev)
1734 {
1735 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1736 	struct hid_driver *hdrv;
1737 
1738 	if (down_interruptible(&hdev->driver_lock))
1739 		return -EINTR;
1740 
1741 	hdrv = hdev->driver;
1742 	if (hdrv) {
1743 		if (hdrv->remove)
1744 			hdrv->remove(hdev);
1745 		else /* default remove */
1746 			hid_hw_stop(hdev);
1747 		hdev->driver = NULL;
1748 	}
1749 
1750 	up(&hdev->driver_lock);
1751 	return 0;
1752 }
1753 
1754 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1755 {
1756 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1757 
1758 	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1759 			hdev->bus, hdev->vendor, hdev->product))
1760 		return -ENOMEM;
1761 
1762 	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1763 		return -ENOMEM;
1764 
1765 	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1766 		return -ENOMEM;
1767 
1768 	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1769 		return -ENOMEM;
1770 
1771 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1772 			hdev->bus, hdev->vendor, hdev->product))
1773 		return -ENOMEM;
1774 
1775 	return 0;
1776 }
1777 
1778 static struct bus_type hid_bus_type = {
1779 	.name		= "hid",
1780 	.match		= hid_bus_match,
1781 	.probe		= hid_device_probe,
1782 	.remove		= hid_device_remove,
1783 	.uevent		= hid_uevent,
1784 };
1785 
1786 /* a list of devices that shouldn't be handled by HID core at all */
1787 static const struct hid_device_id hid_ignore_list[] = {
1788 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1789 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1790 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1791 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1792 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1793 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1794 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1795 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1796 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1797 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1798 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1799 	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1800 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1801 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1802 	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1803 	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1804 	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1805 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1806 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1807 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1808 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1809 	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1810 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1811 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1812 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1813 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
1814 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1815 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1816 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1817 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1818 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1819 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1820 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1821 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1822 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1823 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1824 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1825 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1826 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1827 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1828 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1829 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1830 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1831 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1832 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1833 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1834 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1835 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1836 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1837 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1838 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1839 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1840 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1841 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1842 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1843 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1844 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1845 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1846 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1847 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1848 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1849 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1850 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1851 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1852 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1853 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1854 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1855 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1856 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1857 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1858 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1859 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1860 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1861 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1862 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1863 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1864 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1865 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1866 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1867 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1868 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1869 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1870 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1871 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1872 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1873 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1874 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1875 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1876 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1877 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1878 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1879 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1880 	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1881 	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1882 	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1883 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1884 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1885 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1886 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1887 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1888 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1889 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1890 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1891 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1892 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1893 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1894 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1895 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1896 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1897 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1898 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1899 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1900 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1901 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1902 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1903 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1904 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1905 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1906 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1907 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1908 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1909 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1910 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1911 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1912 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1913 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1914 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1915 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1916 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1917 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1918 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1919 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1920 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1921 	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1922 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1923 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1924 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1925 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1926 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1927 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1928 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1929 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1930 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1931 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1932 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1933 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1934 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
1935 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
1936 	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
1937 	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
1938 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
1939 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
1940 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
1941 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
1942 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
1943 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
1944 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
1945 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
1946 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
1947 #endif
1948 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
1949 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
1950 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
1951 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
1952 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
1953 	{ HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
1954 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
1955 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
1956 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
1957 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
1958 	{ }
1959 };
1960 
1961 /**
1962  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
1963  *
1964  * There are composite devices for which we want to ignore only a certain
1965  * interface. This is a list of devices for which only the mouse interface will
1966  * be ignored. This allows a dedicated driver to take care of the interface.
1967  */
1968 static const struct hid_device_id hid_mouse_ignore_list[] = {
1969 	/* appletouch driver */
1970 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1971 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1972 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1973 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1974 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1975 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1976 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1977 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1978 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1979 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1980 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1981 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1982 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1983 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1984 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1985 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1986 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1987 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1988 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1989 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1990 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1991 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1992 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1993 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1994 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1995 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1996 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1997 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1998 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1999 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2000 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2001 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2002 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2003 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2004 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2005 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2006 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2007 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2008 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2009 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2010 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2011 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2012 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2013 	{ }
2014 };
2015 
2016 static bool hid_ignore(struct hid_device *hdev)
2017 {
2018 	switch (hdev->vendor) {
2019 	case USB_VENDOR_ID_CODEMERCS:
2020 		/* ignore all Code Mercenaries IOWarrior devices */
2021 		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2022 				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2023 			return true;
2024 		break;
2025 	case USB_VENDOR_ID_LOGITECH:
2026 		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2027 				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2028 			return true;
2029 		/*
2030 		 * The Keene FM transmitter USB device has the same USB ID as
2031 		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2032 		 * Check if the name is that of the Keene device.
2033 		 * For reference: the name of the AudioHub is
2034 		 * "HOLTEK  AudioHub Speaker".
2035 		 */
2036 		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2037 			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2038 				return true;
2039 		break;
2040 	case USB_VENDOR_ID_SOUNDGRAPH:
2041 		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2042 		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2043 			return true;
2044 		break;
2045 	case USB_VENDOR_ID_HANWANG:
2046 		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2047 		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2048 			return true;
2049 		break;
2050 	case USB_VENDOR_ID_JESS:
2051 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2052 				hdev->type == HID_TYPE_USBNONE)
2053 			return true;
2054 	break;
2055 	}
2056 
2057 	if (hdev->type == HID_TYPE_USBMOUSE &&
2058 			hid_match_id(hdev, hid_mouse_ignore_list))
2059 		return true;
2060 
2061 	return !!hid_match_id(hdev, hid_ignore_list);
2062 }
2063 
2064 int hid_add_device(struct hid_device *hdev)
2065 {
2066 	static atomic_t id = ATOMIC_INIT(0);
2067 	int ret;
2068 
2069 	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2070 		return -EBUSY;
2071 
2072 	/* we need to kill them here, otherwise they will stay allocated to
2073 	 * wait for coming driver */
2074 	if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2075             && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2076 		return -ENODEV;
2077 
2078 	/* XXX hack, any other cleaner solution after the driver core
2079 	 * is converted to allow more than 20 bytes as the device name? */
2080 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2081 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2082 
2083 	hid_debug_register(hdev, dev_name(&hdev->dev));
2084 	ret = device_add(&hdev->dev);
2085 	if (!ret)
2086 		hdev->status |= HID_STAT_ADDED;
2087 	else
2088 		hid_debug_unregister(hdev);
2089 
2090 	return ret;
2091 }
2092 EXPORT_SYMBOL_GPL(hid_add_device);
2093 
2094 /**
2095  * hid_allocate_device - allocate new hid device descriptor
2096  *
2097  * Allocate and initialize hid device, so that hid_destroy_device might be
2098  * used to free it.
2099  *
2100  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2101  * error value.
2102  */
2103 struct hid_device *hid_allocate_device(void)
2104 {
2105 	struct hid_device *hdev;
2106 	unsigned int i;
2107 	int ret = -ENOMEM;
2108 
2109 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2110 	if (hdev == NULL)
2111 		return ERR_PTR(ret);
2112 
2113 	device_initialize(&hdev->dev);
2114 	hdev->dev.release = hid_device_release;
2115 	hdev->dev.bus = &hid_bus_type;
2116 
2117 	hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2118 			sizeof(struct hid_collection), GFP_KERNEL);
2119 	if (hdev->collection == NULL)
2120 		goto err;
2121 	hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2122 
2123 	for (i = 0; i < HID_REPORT_TYPES; i++)
2124 		INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2125 
2126 	init_waitqueue_head(&hdev->debug_wait);
2127 	INIT_LIST_HEAD(&hdev->debug_list);
2128 	sema_init(&hdev->driver_lock, 1);
2129 
2130 	return hdev;
2131 err:
2132 	put_device(&hdev->dev);
2133 	return ERR_PTR(ret);
2134 }
2135 EXPORT_SYMBOL_GPL(hid_allocate_device);
2136 
2137 static void hid_remove_device(struct hid_device *hdev)
2138 {
2139 	if (hdev->status & HID_STAT_ADDED) {
2140 		device_del(&hdev->dev);
2141 		hid_debug_unregister(hdev);
2142 		hdev->status &= ~HID_STAT_ADDED;
2143 	}
2144 }
2145 
2146 /**
2147  * hid_destroy_device - free previously allocated device
2148  *
2149  * @hdev: hid device
2150  *
2151  * If you allocate hid_device through hid_allocate_device, you should ever
2152  * free by this function.
2153  */
2154 void hid_destroy_device(struct hid_device *hdev)
2155 {
2156 	hid_remove_device(hdev);
2157 	put_device(&hdev->dev);
2158 }
2159 EXPORT_SYMBOL_GPL(hid_destroy_device);
2160 
2161 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2162 		const char *mod_name)
2163 {
2164 	int ret;
2165 
2166 	hdrv->driver.name = hdrv->name;
2167 	hdrv->driver.bus = &hid_bus_type;
2168 	hdrv->driver.owner = owner;
2169 	hdrv->driver.mod_name = mod_name;
2170 
2171 	INIT_LIST_HEAD(&hdrv->dyn_list);
2172 	spin_lock_init(&hdrv->dyn_lock);
2173 
2174 	ret = driver_register(&hdrv->driver);
2175 	if (ret)
2176 		return ret;
2177 
2178 	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2179 	if (ret)
2180 		driver_unregister(&hdrv->driver);
2181 
2182 	return ret;
2183 }
2184 EXPORT_SYMBOL_GPL(__hid_register_driver);
2185 
2186 void hid_unregister_driver(struct hid_driver *hdrv)
2187 {
2188 	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2189 	driver_unregister(&hdrv->driver);
2190 	hid_free_dynids(hdrv);
2191 }
2192 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2193 
2194 int hid_check_keys_pressed(struct hid_device *hid)
2195 {
2196 	struct hid_input *hidinput;
2197 	int i;
2198 
2199 	if (!(hid->claimed & HID_CLAIMED_INPUT))
2200 		return 0;
2201 
2202 	list_for_each_entry(hidinput, &hid->inputs, list) {
2203 		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2204 			if (hidinput->input->key[i])
2205 				return 1;
2206 	}
2207 
2208 	return 0;
2209 }
2210 
2211 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2212 
2213 static int __init hid_init(void)
2214 {
2215 	int ret;
2216 
2217 	if (hid_debug)
2218 		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2219 			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2220 
2221 	ret = bus_register(&hid_bus_type);
2222 	if (ret) {
2223 		pr_err("can't register hid bus\n");
2224 		goto err;
2225 	}
2226 
2227 	ret = hidraw_init();
2228 	if (ret)
2229 		goto err_bus;
2230 
2231 	hid_debug_init();
2232 
2233 	return 0;
2234 err_bus:
2235 	bus_unregister(&hid_bus_type);
2236 err:
2237 	return ret;
2238 }
2239 
2240 static void __exit hid_exit(void)
2241 {
2242 	hid_debug_exit();
2243 	hidraw_exit();
2244 	bus_unregister(&hid_bus_type);
2245 }
2246 
2247 module_init(hid_init);
2248 module_exit(hid_exit);
2249 
2250 MODULE_AUTHOR("Andreas Gal");
2251 MODULE_AUTHOR("Vojtech Pavlik");
2252 MODULE_AUTHOR("Jiri Kosina");
2253 MODULE_LICENSE(DRIVER_LICENSE);
2254 
2255