xref: /openbmc/linux/drivers/hid/hid-core.c (revision 94cdda6b)
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(ignore_special_drivers, "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 (id >= HID_MAX_IDS)
67 		return NULL;
68 	if (report_enum->report_id_hash[id])
69 		return report_enum->report_id_hash[id];
70 
71 	report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
72 	if (!report)
73 		return NULL;
74 
75 	if (id != 0)
76 		report_enum->numbered = 1;
77 
78 	report->id = id;
79 	report->type = type;
80 	report->size = 0;
81 	report->device = device;
82 	report_enum->report_id_hash[id] = report;
83 
84 	list_add_tail(&report->list, &report_enum->report_list);
85 
86 	return report;
87 }
88 EXPORT_SYMBOL_GPL(hid_register_report);
89 
90 /*
91  * Register a new field for this report.
92  */
93 
94 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
95 {
96 	struct hid_field *field;
97 
98 	if (report->maxfield == HID_MAX_FIELDS) {
99 		hid_err(report->device, "too many fields in report\n");
100 		return NULL;
101 	}
102 
103 	field = kzalloc((sizeof(struct hid_field) +
104 			 usages * sizeof(struct hid_usage) +
105 			 values * sizeof(unsigned)), GFP_KERNEL);
106 	if (!field)
107 		return NULL;
108 
109 	field->index = report->maxfield++;
110 	report->field[field->index] = field;
111 	field->usage = (struct hid_usage *)(field + 1);
112 	field->value = (s32 *)(field->usage + usages);
113 	field->report = report;
114 
115 	return field;
116 }
117 
118 /*
119  * Open a collection. The type/usage is pushed on the stack.
120  */
121 
122 static int open_collection(struct hid_parser *parser, unsigned type)
123 {
124 	struct hid_collection *collection;
125 	unsigned usage;
126 
127 	usage = parser->local.usage[0];
128 
129 	if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
130 		hid_err(parser->device, "collection stack overflow\n");
131 		return -EINVAL;
132 	}
133 
134 	if (parser->device->maxcollection == parser->device->collection_size) {
135 		collection = kmalloc(sizeof(struct hid_collection) *
136 				parser->device->collection_size * 2, GFP_KERNEL);
137 		if (collection == NULL) {
138 			hid_err(parser->device, "failed to reallocate collection array\n");
139 			return -ENOMEM;
140 		}
141 		memcpy(collection, parser->device->collection,
142 			sizeof(struct hid_collection) *
143 			parser->device->collection_size);
144 		memset(collection + parser->device->collection_size, 0,
145 			sizeof(struct hid_collection) *
146 			parser->device->collection_size);
147 		kfree(parser->device->collection);
148 		parser->device->collection = collection;
149 		parser->device->collection_size *= 2;
150 	}
151 
152 	parser->collection_stack[parser->collection_stack_ptr++] =
153 		parser->device->maxcollection;
154 
155 	collection = parser->device->collection +
156 		parser->device->maxcollection++;
157 	collection->type = type;
158 	collection->usage = usage;
159 	collection->level = parser->collection_stack_ptr - 1;
160 
161 	if (type == HID_COLLECTION_APPLICATION)
162 		parser->device->maxapplication++;
163 
164 	return 0;
165 }
166 
167 /*
168  * Close a collection.
169  */
170 
171 static int close_collection(struct hid_parser *parser)
172 {
173 	if (!parser->collection_stack_ptr) {
174 		hid_err(parser->device, "collection stack underflow\n");
175 		return -EINVAL;
176 	}
177 	parser->collection_stack_ptr--;
178 	return 0;
179 }
180 
181 /*
182  * Climb up the stack, search for the specified collection type
183  * and return the usage.
184  */
185 
186 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
187 {
188 	struct hid_collection *collection = parser->device->collection;
189 	int n;
190 
191 	for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
192 		unsigned index = parser->collection_stack[n];
193 		if (collection[index].type == type)
194 			return collection[index].usage;
195 	}
196 	return 0; /* we know nothing about this usage type */
197 }
198 
199 /*
200  * Add a usage to the temporary parser table.
201  */
202 
203 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204 {
205 	if (parser->local.usage_index >= HID_MAX_USAGES) {
206 		hid_err(parser->device, "usage index exceeded\n");
207 		return -1;
208 	}
209 	parser->local.usage[parser->local.usage_index] = usage;
210 	parser->local.collection_index[parser->local.usage_index] =
211 		parser->collection_stack_ptr ?
212 		parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213 	parser->local.usage_index++;
214 	return 0;
215 }
216 
217 /*
218  * Register a new field for this report.
219  */
220 
221 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222 {
223 	struct hid_report *report;
224 	struct hid_field *field;
225 	unsigned usages;
226 	unsigned offset;
227 	unsigned i;
228 
229 	report = hid_register_report(parser->device, report_type, parser->global.report_id);
230 	if (!report) {
231 		hid_err(parser->device, "hid_register_report failed\n");
232 		return -1;
233 	}
234 
235 	/* Handle both signed and unsigned cases properly */
236 	if ((parser->global.logical_minimum < 0 &&
237 		parser->global.logical_maximum <
238 		parser->global.logical_minimum) ||
239 		(parser->global.logical_minimum >= 0 &&
240 		(__u32)parser->global.logical_maximum <
241 		(__u32)parser->global.logical_minimum)) {
242 		dbg_hid("logical range invalid 0x%x 0x%x\n",
243 			parser->global.logical_minimum,
244 			parser->global.logical_maximum);
245 		return -1;
246 	}
247 
248 	offset = report->size;
249 	report->size += parser->global.report_size * parser->global.report_count;
250 
251 	if (!parser->local.usage_index) /* Ignore padding fields */
252 		return 0;
253 
254 	usages = max_t(unsigned, parser->local.usage_index,
255 				 parser->global.report_count);
256 
257 	field = hid_register_field(report, usages, parser->global.report_count);
258 	if (!field)
259 		return 0;
260 
261 	field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262 	field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263 	field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264 
265 	for (i = 0; i < usages; i++) {
266 		unsigned j = i;
267 		/* Duplicate the last usage we parsed if we have excess values */
268 		if (i >= parser->local.usage_index)
269 			j = parser->local.usage_index - 1;
270 		field->usage[i].hid = parser->local.usage[j];
271 		field->usage[i].collection_index =
272 			parser->local.collection_index[j];
273 		field->usage[i].usage_index = i;
274 	}
275 
276 	field->maxusage = usages;
277 	field->flags = flags;
278 	field->report_offset = offset;
279 	field->report_type = report_type;
280 	field->report_size = parser->global.report_size;
281 	field->report_count = parser->global.report_count;
282 	field->logical_minimum = parser->global.logical_minimum;
283 	field->logical_maximum = parser->global.logical_maximum;
284 	field->physical_minimum = parser->global.physical_minimum;
285 	field->physical_maximum = parser->global.physical_maximum;
286 	field->unit_exponent = parser->global.unit_exponent;
287 	field->unit = parser->global.unit;
288 
289 	return 0;
290 }
291 
292 /*
293  * Read data value from item.
294  */
295 
296 static u32 item_udata(struct hid_item *item)
297 {
298 	switch (item->size) {
299 	case 1: return item->data.u8;
300 	case 2: return item->data.u16;
301 	case 4: return item->data.u32;
302 	}
303 	return 0;
304 }
305 
306 static s32 item_sdata(struct hid_item *item)
307 {
308 	switch (item->size) {
309 	case 1: return item->data.s8;
310 	case 2: return item->data.s16;
311 	case 4: return item->data.s32;
312 	}
313 	return 0;
314 }
315 
316 /*
317  * Process a global item.
318  */
319 
320 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321 {
322 	__s32 raw_value;
323 	switch (item->tag) {
324 	case HID_GLOBAL_ITEM_TAG_PUSH:
325 
326 		if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
327 			hid_err(parser->device, "global environment stack overflow\n");
328 			return -1;
329 		}
330 
331 		memcpy(parser->global_stack + parser->global_stack_ptr++,
332 			&parser->global, sizeof(struct hid_global));
333 		return 0;
334 
335 	case HID_GLOBAL_ITEM_TAG_POP:
336 
337 		if (!parser->global_stack_ptr) {
338 			hid_err(parser->device, "global environment stack underflow\n");
339 			return -1;
340 		}
341 
342 		memcpy(&parser->global, parser->global_stack +
343 			--parser->global_stack_ptr, sizeof(struct hid_global));
344 		return 0;
345 
346 	case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347 		parser->global.usage_page = item_udata(item);
348 		return 0;
349 
350 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351 		parser->global.logical_minimum = item_sdata(item);
352 		return 0;
353 
354 	case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355 		if (parser->global.logical_minimum < 0)
356 			parser->global.logical_maximum = item_sdata(item);
357 		else
358 			parser->global.logical_maximum = item_udata(item);
359 		return 0;
360 
361 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362 		parser->global.physical_minimum = item_sdata(item);
363 		return 0;
364 
365 	case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366 		if (parser->global.physical_minimum < 0)
367 			parser->global.physical_maximum = item_sdata(item);
368 		else
369 			parser->global.physical_maximum = item_udata(item);
370 		return 0;
371 
372 	case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
373 		/* Many devices provide unit exponent as a two's complement
374 		 * nibble due to the common misunderstanding of HID
375 		 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376 		 * both this and the standard encoding. */
377 		raw_value = item_sdata(item);
378 		if (!(raw_value & 0xfffffff0))
379 			parser->global.unit_exponent = hid_snto32(raw_value, 4);
380 		else
381 			parser->global.unit_exponent = raw_value;
382 		return 0;
383 
384 	case HID_GLOBAL_ITEM_TAG_UNIT:
385 		parser->global.unit = item_udata(item);
386 		return 0;
387 
388 	case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389 		parser->global.report_size = item_udata(item);
390 		if (parser->global.report_size > 128) {
391 			hid_err(parser->device, "invalid report_size %d\n",
392 					parser->global.report_size);
393 			return -1;
394 		}
395 		return 0;
396 
397 	case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398 		parser->global.report_count = item_udata(item);
399 		if (parser->global.report_count > HID_MAX_USAGES) {
400 			hid_err(parser->device, "invalid report_count %d\n",
401 					parser->global.report_count);
402 			return -1;
403 		}
404 		return 0;
405 
406 	case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407 		parser->global.report_id = item_udata(item);
408 		if (parser->global.report_id == 0 ||
409 		    parser->global.report_id >= HID_MAX_IDS) {
410 			hid_err(parser->device, "report_id %u is invalid\n",
411 				parser->global.report_id);
412 			return -1;
413 		}
414 		return 0;
415 
416 	default:
417 		hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
418 		return -1;
419 	}
420 }
421 
422 /*
423  * Process a local item.
424  */
425 
426 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427 {
428 	__u32 data;
429 	unsigned n;
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 		for (n = parser->local.usage_minimum; n <= data; n++)
494 			if (hid_add_usage(parser, n)) {
495 				dbg_hid("hid_add_usage failed\n");
496 				return -1;
497 			}
498 		return 0;
499 
500 	default:
501 
502 		dbg_hid("unknown local item tag 0x%x\n", item->tag);
503 		return 0;
504 	}
505 	return 0;
506 }
507 
508 /*
509  * Process a main item.
510  */
511 
512 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
513 {
514 	__u32 data;
515 	int ret;
516 
517 	data = item_udata(item);
518 
519 	switch (item->tag) {
520 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
521 		ret = open_collection(parser, data & 0xff);
522 		break;
523 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
524 		ret = close_collection(parser);
525 		break;
526 	case HID_MAIN_ITEM_TAG_INPUT:
527 		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
528 		break;
529 	case HID_MAIN_ITEM_TAG_OUTPUT:
530 		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
531 		break;
532 	case HID_MAIN_ITEM_TAG_FEATURE:
533 		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
534 		break;
535 	default:
536 		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
537 		ret = 0;
538 	}
539 
540 	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
541 
542 	return ret;
543 }
544 
545 /*
546  * Process a reserved item.
547  */
548 
549 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
550 {
551 	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
552 	return 0;
553 }
554 
555 /*
556  * Free a report and all registered fields. The field->usage and
557  * field->value table's are allocated behind the field, so we need
558  * only to free(field) itself.
559  */
560 
561 static void hid_free_report(struct hid_report *report)
562 {
563 	unsigned n;
564 
565 	for (n = 0; n < report->maxfield; n++)
566 		kfree(report->field[n]);
567 	kfree(report);
568 }
569 
570 /*
571  * Close report. This function returns the device
572  * state to the point prior to hid_open_report().
573  */
574 static void hid_close_report(struct hid_device *device)
575 {
576 	unsigned i, j;
577 
578 	for (i = 0; i < HID_REPORT_TYPES; i++) {
579 		struct hid_report_enum *report_enum = device->report_enum + i;
580 
581 		for (j = 0; j < HID_MAX_IDS; j++) {
582 			struct hid_report *report = report_enum->report_id_hash[j];
583 			if (report)
584 				hid_free_report(report);
585 		}
586 		memset(report_enum, 0, sizeof(*report_enum));
587 		INIT_LIST_HEAD(&report_enum->report_list);
588 	}
589 
590 	kfree(device->rdesc);
591 	device->rdesc = NULL;
592 	device->rsize = 0;
593 
594 	kfree(device->collection);
595 	device->collection = NULL;
596 	device->collection_size = 0;
597 	device->maxcollection = 0;
598 	device->maxapplication = 0;
599 
600 	device->status &= ~HID_STAT_PARSED;
601 }
602 
603 /*
604  * Free a device structure, all reports, and all fields.
605  */
606 
607 static void hid_device_release(struct device *dev)
608 {
609 	struct hid_device *hid = container_of(dev, struct hid_device, dev);
610 
611 	hid_close_report(hid);
612 	kfree(hid->dev_rdesc);
613 	kfree(hid);
614 }
615 
616 /*
617  * Fetch a report description item from the data stream. We support long
618  * items, though they are not used yet.
619  */
620 
621 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
622 {
623 	u8 b;
624 
625 	if ((end - start) <= 0)
626 		return NULL;
627 
628 	b = *start++;
629 
630 	item->type = (b >> 2) & 3;
631 	item->tag  = (b >> 4) & 15;
632 
633 	if (item->tag == HID_ITEM_TAG_LONG) {
634 
635 		item->format = HID_ITEM_FORMAT_LONG;
636 
637 		if ((end - start) < 2)
638 			return NULL;
639 
640 		item->size = *start++;
641 		item->tag  = *start++;
642 
643 		if ((end - start) < item->size)
644 			return NULL;
645 
646 		item->data.longdata = start;
647 		start += item->size;
648 		return start;
649 	}
650 
651 	item->format = HID_ITEM_FORMAT_SHORT;
652 	item->size = b & 3;
653 
654 	switch (item->size) {
655 	case 0:
656 		return start;
657 
658 	case 1:
659 		if ((end - start) < 1)
660 			return NULL;
661 		item->data.u8 = *start++;
662 		return start;
663 
664 	case 2:
665 		if ((end - start) < 2)
666 			return NULL;
667 		item->data.u16 = get_unaligned_le16(start);
668 		start = (__u8 *)((__le16 *)start + 1);
669 		return start;
670 
671 	case 3:
672 		item->size++;
673 		if ((end - start) < 4)
674 			return NULL;
675 		item->data.u32 = get_unaligned_le32(start);
676 		start = (__u8 *)((__le32 *)start + 1);
677 		return start;
678 	}
679 
680 	return NULL;
681 }
682 
683 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
684 {
685 	struct hid_device *hid = parser->device;
686 
687 	if (usage == HID_DG_CONTACTID)
688 		hid->group = HID_GROUP_MULTITOUCH;
689 }
690 
691 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
692 {
693 	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
694 	    parser->global.report_size == 8)
695 		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
696 }
697 
698 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
699 {
700 	struct hid_device *hid = parser->device;
701 	int i;
702 
703 	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
704 	    type == HID_COLLECTION_PHYSICAL)
705 		hid->group = HID_GROUP_SENSOR_HUB;
706 
707 	if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
708 	    (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
709 	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3_JP) &&
710 	    hid->group == HID_GROUP_MULTITOUCH)
711 		hid->group = HID_GROUP_GENERIC;
712 
713 	if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
714 		for (i = 0; i < parser->local.usage_index; i++)
715 			if (parser->local.usage[i] == HID_GD_POINTER)
716 				parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
717 
718 	if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
719 		parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
720 }
721 
722 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
723 {
724 	__u32 data;
725 	int i;
726 
727 	data = item_udata(item);
728 
729 	switch (item->tag) {
730 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
731 		hid_scan_collection(parser, data & 0xff);
732 		break;
733 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
734 		break;
735 	case HID_MAIN_ITEM_TAG_INPUT:
736 		/* ignore constant inputs, they will be ignored by hid-input */
737 		if (data & HID_MAIN_ITEM_CONSTANT)
738 			break;
739 		for (i = 0; i < parser->local.usage_index; i++)
740 			hid_scan_input_usage(parser, parser->local.usage[i]);
741 		break;
742 	case HID_MAIN_ITEM_TAG_OUTPUT:
743 		break;
744 	case HID_MAIN_ITEM_TAG_FEATURE:
745 		for (i = 0; i < parser->local.usage_index; i++)
746 			hid_scan_feature_usage(parser, parser->local.usage[i]);
747 		break;
748 	}
749 
750 	/* Reset the local parser environment */
751 	memset(&parser->local, 0, sizeof(parser->local));
752 
753 	return 0;
754 }
755 
756 /*
757  * Scan a report descriptor before the device is added to the bus.
758  * Sets device groups and other properties that determine what driver
759  * to load.
760  */
761 static int hid_scan_report(struct hid_device *hid)
762 {
763 	struct hid_parser *parser;
764 	struct hid_item item;
765 	__u8 *start = hid->dev_rdesc;
766 	__u8 *end = start + hid->dev_rsize;
767 	static int (*dispatch_type[])(struct hid_parser *parser,
768 				      struct hid_item *item) = {
769 		hid_scan_main,
770 		hid_parser_global,
771 		hid_parser_local,
772 		hid_parser_reserved
773 	};
774 
775 	parser = vzalloc(sizeof(struct hid_parser));
776 	if (!parser)
777 		return -ENOMEM;
778 
779 	parser->device = hid;
780 	hid->group = HID_GROUP_GENERIC;
781 
782 	/*
783 	 * The parsing is simpler than the one in hid_open_report() as we should
784 	 * be robust against hid errors. Those errors will be raised by
785 	 * hid_open_report() anyway.
786 	 */
787 	while ((start = fetch_item(start, end, &item)) != NULL)
788 		dispatch_type[item.type](parser, &item);
789 
790 	/*
791 	 * Handle special flags set during scanning.
792 	 */
793 	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
794 	    (hid->group == HID_GROUP_MULTITOUCH))
795 		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
796 
797 	/*
798 	 * Vendor specific handlings
799 	 */
800 	switch (hid->vendor) {
801 	case USB_VENDOR_ID_WACOM:
802 		hid->group = HID_GROUP_WACOM;
803 		break;
804 	case USB_VENDOR_ID_SYNAPTICS:
805 		if (hid->group == HID_GROUP_GENERIC)
806 			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
807 			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
808 				/*
809 				 * hid-rmi should take care of them,
810 				 * not hid-generic
811 				 */
812 				hid->group = HID_GROUP_RMI;
813 		break;
814 	}
815 
816 	vfree(parser);
817 	return 0;
818 }
819 
820 /**
821  * hid_parse_report - parse device report
822  *
823  * @device: hid device
824  * @start: report start
825  * @size: report size
826  *
827  * Allocate the device report as read by the bus driver. This function should
828  * only be called from parse() in ll drivers.
829  */
830 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
831 {
832 	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
833 	if (!hid->dev_rdesc)
834 		return -ENOMEM;
835 	hid->dev_rsize = size;
836 	return 0;
837 }
838 EXPORT_SYMBOL_GPL(hid_parse_report);
839 
840 static const char * const hid_report_names[] = {
841 	"HID_INPUT_REPORT",
842 	"HID_OUTPUT_REPORT",
843 	"HID_FEATURE_REPORT",
844 };
845 /**
846  * hid_validate_values - validate existing device report's value indexes
847  *
848  * @device: hid device
849  * @type: which report type to examine
850  * @id: which report ID to examine (0 for first)
851  * @field_index: which report field to examine
852  * @report_counts: expected number of values
853  *
854  * Validate the number of values in a given field of a given report, after
855  * parsing.
856  */
857 struct hid_report *hid_validate_values(struct hid_device *hid,
858 				       unsigned int type, unsigned int id,
859 				       unsigned int field_index,
860 				       unsigned int report_counts)
861 {
862 	struct hid_report *report;
863 
864 	if (type > HID_FEATURE_REPORT) {
865 		hid_err(hid, "invalid HID report type %u\n", type);
866 		return NULL;
867 	}
868 
869 	if (id >= HID_MAX_IDS) {
870 		hid_err(hid, "invalid HID report id %u\n", id);
871 		return NULL;
872 	}
873 
874 	/*
875 	 * Explicitly not using hid_get_report() here since it depends on
876 	 * ->numbered being checked, which may not always be the case when
877 	 * drivers go to access report values.
878 	 */
879 	if (id == 0) {
880 		/*
881 		 * Validating on id 0 means we should examine the first
882 		 * report in the list.
883 		 */
884 		report = list_entry(
885 				hid->report_enum[type].report_list.next,
886 				struct hid_report, list);
887 	} else {
888 		report = hid->report_enum[type].report_id_hash[id];
889 	}
890 	if (!report) {
891 		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
892 		return NULL;
893 	}
894 	if (report->maxfield <= field_index) {
895 		hid_err(hid, "not enough fields in %s %u\n",
896 			hid_report_names[type], id);
897 		return NULL;
898 	}
899 	if (report->field[field_index]->report_count < report_counts) {
900 		hid_err(hid, "not enough values in %s %u field %u\n",
901 			hid_report_names[type], id, field_index);
902 		return NULL;
903 	}
904 	return report;
905 }
906 EXPORT_SYMBOL_GPL(hid_validate_values);
907 
908 /**
909  * hid_open_report - open a driver-specific device report
910  *
911  * @device: hid device
912  *
913  * Parse a report description into a hid_device structure. Reports are
914  * enumerated, fields are attached to these reports.
915  * 0 returned on success, otherwise nonzero error value.
916  *
917  * This function (or the equivalent hid_parse() macro) should only be
918  * called from probe() in drivers, before starting the device.
919  */
920 int hid_open_report(struct hid_device *device)
921 {
922 	struct hid_parser *parser;
923 	struct hid_item item;
924 	unsigned int size;
925 	__u8 *start;
926 	__u8 *buf;
927 	__u8 *end;
928 	int ret;
929 	static int (*dispatch_type[])(struct hid_parser *parser,
930 				      struct hid_item *item) = {
931 		hid_parser_main,
932 		hid_parser_global,
933 		hid_parser_local,
934 		hid_parser_reserved
935 	};
936 
937 	if (WARN_ON(device->status & HID_STAT_PARSED))
938 		return -EBUSY;
939 
940 	start = device->dev_rdesc;
941 	if (WARN_ON(!start))
942 		return -ENODEV;
943 	size = device->dev_rsize;
944 
945 	buf = kmemdup(start, size, GFP_KERNEL);
946 	if (buf == NULL)
947 		return -ENOMEM;
948 
949 	if (device->driver->report_fixup)
950 		start = device->driver->report_fixup(device, buf, &size);
951 	else
952 		start = buf;
953 
954 	start = kmemdup(start, size, GFP_KERNEL);
955 	kfree(buf);
956 	if (start == NULL)
957 		return -ENOMEM;
958 
959 	device->rdesc = start;
960 	device->rsize = size;
961 
962 	parser = vzalloc(sizeof(struct hid_parser));
963 	if (!parser) {
964 		ret = -ENOMEM;
965 		goto err;
966 	}
967 
968 	parser->device = device;
969 
970 	end = start + size;
971 
972 	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
973 				     sizeof(struct hid_collection), GFP_KERNEL);
974 	if (!device->collection) {
975 		ret = -ENOMEM;
976 		goto err;
977 	}
978 	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
979 
980 	ret = -EINVAL;
981 	while ((start = fetch_item(start, end, &item)) != NULL) {
982 
983 		if (item.format != HID_ITEM_FORMAT_SHORT) {
984 			hid_err(device, "unexpected long global item\n");
985 			goto err;
986 		}
987 
988 		if (dispatch_type[item.type](parser, &item)) {
989 			hid_err(device, "item %u %u %u %u parsing failed\n",
990 				item.format, (unsigned)item.size,
991 				(unsigned)item.type, (unsigned)item.tag);
992 			goto err;
993 		}
994 
995 		if (start == end) {
996 			if (parser->collection_stack_ptr) {
997 				hid_err(device, "unbalanced collection at end of report description\n");
998 				goto err;
999 			}
1000 			if (parser->local.delimiter_depth) {
1001 				hid_err(device, "unbalanced delimiter at end of report description\n");
1002 				goto err;
1003 			}
1004 			vfree(parser);
1005 			device->status |= HID_STAT_PARSED;
1006 			return 0;
1007 		}
1008 	}
1009 
1010 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1011 err:
1012 	vfree(parser);
1013 	hid_close_report(device);
1014 	return ret;
1015 }
1016 EXPORT_SYMBOL_GPL(hid_open_report);
1017 
1018 /*
1019  * Convert a signed n-bit integer to signed 32-bit integer. Common
1020  * cases are done through the compiler, the screwed things has to be
1021  * done by hand.
1022  */
1023 
1024 static s32 snto32(__u32 value, unsigned n)
1025 {
1026 	switch (n) {
1027 	case 8:  return ((__s8)value);
1028 	case 16: return ((__s16)value);
1029 	case 32: return ((__s32)value);
1030 	}
1031 	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1032 }
1033 
1034 s32 hid_snto32(__u32 value, unsigned n)
1035 {
1036 	return snto32(value, n);
1037 }
1038 EXPORT_SYMBOL_GPL(hid_snto32);
1039 
1040 /*
1041  * Convert a signed 32-bit integer to a signed n-bit integer.
1042  */
1043 
1044 static u32 s32ton(__s32 value, unsigned n)
1045 {
1046 	s32 a = value >> (n - 1);
1047 	if (a && a != -1)
1048 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1049 	return value & ((1 << n) - 1);
1050 }
1051 
1052 /*
1053  * Extract/implement a data field from/to a little endian report (bit array).
1054  *
1055  * Code sort-of follows HID spec:
1056  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1057  *
1058  * While the USB HID spec allows unlimited length bit fields in "report
1059  * descriptors", most devices never use more than 16 bits.
1060  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1061  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1062  */
1063 
1064 static __u32 extract(const struct hid_device *hid, __u8 *report,
1065 		     unsigned offset, unsigned n)
1066 {
1067 	u64 x;
1068 
1069 	if (n > 32)
1070 		hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1071 			 n, current->comm);
1072 
1073 	report += offset >> 3;  /* adjust byte index */
1074 	offset &= 7;            /* now only need bit offset into one byte */
1075 	x = get_unaligned_le64(report);
1076 	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1077 	return (u32) x;
1078 }
1079 
1080 /*
1081  * "implement" : set bits in a little endian bit stream.
1082  * Same concepts as "extract" (see comments above).
1083  * The data mangled in the bit stream remains in little endian
1084  * order the whole time. It make more sense to talk about
1085  * endianness of register values by considering a register
1086  * a "cached" copy of the little endiad bit stream.
1087  */
1088 static void implement(const struct hid_device *hid, __u8 *report,
1089 		      unsigned offset, unsigned n, __u32 value)
1090 {
1091 	u64 x;
1092 	u64 m = (1ULL << n) - 1;
1093 
1094 	if (n > 32)
1095 		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1096 			 __func__, n, current->comm);
1097 
1098 	if (value > m)
1099 		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1100 			 __func__, value, current->comm);
1101 	WARN_ON(value > m);
1102 	value &= m;
1103 
1104 	report += offset >> 3;
1105 	offset &= 7;
1106 
1107 	x = get_unaligned_le64(report);
1108 	x &= ~(m << offset);
1109 	x |= ((u64)value) << offset;
1110 	put_unaligned_le64(x, report);
1111 }
1112 
1113 /*
1114  * Search an array for a value.
1115  */
1116 
1117 static int search(__s32 *array, __s32 value, unsigned n)
1118 {
1119 	while (n--) {
1120 		if (*array++ == value)
1121 			return 0;
1122 	}
1123 	return -1;
1124 }
1125 
1126 /**
1127  * hid_match_report - check if driver's raw_event should be called
1128  *
1129  * @hid: hid device
1130  * @report_type: type to match against
1131  *
1132  * compare hid->driver->report_table->report_type to report->type
1133  */
1134 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1135 {
1136 	const struct hid_report_id *id = hid->driver->report_table;
1137 
1138 	if (!id) /* NULL means all */
1139 		return 1;
1140 
1141 	for (; id->report_type != HID_TERMINATOR; id++)
1142 		if (id->report_type == HID_ANY_ID ||
1143 				id->report_type == report->type)
1144 			return 1;
1145 	return 0;
1146 }
1147 
1148 /**
1149  * hid_match_usage - check if driver's event should be called
1150  *
1151  * @hid: hid device
1152  * @usage: usage to match against
1153  *
1154  * compare hid->driver->usage_table->usage_{type,code} to
1155  * usage->usage_{type,code}
1156  */
1157 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1158 {
1159 	const struct hid_usage_id *id = hid->driver->usage_table;
1160 
1161 	if (!id) /* NULL means all */
1162 		return 1;
1163 
1164 	for (; id->usage_type != HID_ANY_ID - 1; id++)
1165 		if ((id->usage_hid == HID_ANY_ID ||
1166 				id->usage_hid == usage->hid) &&
1167 				(id->usage_type == HID_ANY_ID ||
1168 				id->usage_type == usage->type) &&
1169 				(id->usage_code == HID_ANY_ID ||
1170 				 id->usage_code == usage->code))
1171 			return 1;
1172 	return 0;
1173 }
1174 
1175 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1176 		struct hid_usage *usage, __s32 value, int interrupt)
1177 {
1178 	struct hid_driver *hdrv = hid->driver;
1179 	int ret;
1180 
1181 	if (!list_empty(&hid->debug_list))
1182 		hid_dump_input(hid, usage, value);
1183 
1184 	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1185 		ret = hdrv->event(hid, field, usage, value);
1186 		if (ret != 0) {
1187 			if (ret < 0)
1188 				hid_err(hid, "%s's event failed with %d\n",
1189 						hdrv->name, ret);
1190 			return;
1191 		}
1192 	}
1193 
1194 	if (hid->claimed & HID_CLAIMED_INPUT)
1195 		hidinput_hid_event(hid, field, usage, value);
1196 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1197 		hid->hiddev_hid_event(hid, field, usage, value);
1198 }
1199 
1200 /*
1201  * Analyse a received field, and fetch the data from it. The field
1202  * content is stored for next report processing (we do differential
1203  * reporting to the layer).
1204  */
1205 
1206 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1207 			    __u8 *data, int interrupt)
1208 {
1209 	unsigned n;
1210 	unsigned count = field->report_count;
1211 	unsigned offset = field->report_offset;
1212 	unsigned size = field->report_size;
1213 	__s32 min = field->logical_minimum;
1214 	__s32 max = field->logical_maximum;
1215 	__s32 *value;
1216 
1217 	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1218 	if (!value)
1219 		return;
1220 
1221 	for (n = 0; n < count; n++) {
1222 
1223 		value[n] = min < 0 ?
1224 			snto32(extract(hid, data, offset + n * size, size),
1225 			       size) :
1226 			extract(hid, data, offset + n * size, size);
1227 
1228 		/* Ignore report if ErrorRollOver */
1229 		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1230 		    value[n] >= min && value[n] <= max &&
1231 		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1232 			goto exit;
1233 	}
1234 
1235 	for (n = 0; n < count; n++) {
1236 
1237 		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1238 			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1239 			continue;
1240 		}
1241 
1242 		if (field->value[n] >= min && field->value[n] <= max
1243 			&& field->usage[field->value[n] - min].hid
1244 			&& search(value, field->value[n], count))
1245 				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1246 
1247 		if (value[n] >= min && value[n] <= max
1248 			&& field->usage[value[n] - min].hid
1249 			&& search(field->value, value[n], count))
1250 				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1251 	}
1252 
1253 	memcpy(field->value, value, count * sizeof(__s32));
1254 exit:
1255 	kfree(value);
1256 }
1257 
1258 /*
1259  * Output the field into the report.
1260  */
1261 
1262 static void hid_output_field(const struct hid_device *hid,
1263 			     struct hid_field *field, __u8 *data)
1264 {
1265 	unsigned count = field->report_count;
1266 	unsigned offset = field->report_offset;
1267 	unsigned size = field->report_size;
1268 	unsigned n;
1269 
1270 	for (n = 0; n < count; n++) {
1271 		if (field->logical_minimum < 0)	/* signed values */
1272 			implement(hid, data, offset + n * size, size,
1273 				  s32ton(field->value[n], size));
1274 		else				/* unsigned values */
1275 			implement(hid, data, offset + n * size, size,
1276 				  field->value[n]);
1277 	}
1278 }
1279 
1280 /*
1281  * Create a report. 'data' has to be allocated using
1282  * hid_alloc_report_buf() so that it has proper size.
1283  */
1284 
1285 void hid_output_report(struct hid_report *report, __u8 *data)
1286 {
1287 	unsigned n;
1288 
1289 	if (report->id > 0)
1290 		*data++ = report->id;
1291 
1292 	memset(data, 0, ((report->size - 1) >> 3) + 1);
1293 	for (n = 0; n < report->maxfield; n++)
1294 		hid_output_field(report->device, report->field[n], data);
1295 }
1296 EXPORT_SYMBOL_GPL(hid_output_report);
1297 
1298 /*
1299  * Allocator for buffer that is going to be passed to hid_output_report()
1300  */
1301 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1302 {
1303 	/*
1304 	 * 7 extra bytes are necessary to achieve proper functionality
1305 	 * of implement() working on 8 byte chunks
1306 	 */
1307 
1308 	int len = hid_report_len(report) + 7;
1309 
1310 	return kmalloc(len, flags);
1311 }
1312 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1313 
1314 /*
1315  * Set a field value. The report this field belongs to has to be
1316  * created and transferred to the device, to set this value in the
1317  * device.
1318  */
1319 
1320 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1321 {
1322 	unsigned size;
1323 
1324 	if (!field)
1325 		return -1;
1326 
1327 	size = field->report_size;
1328 
1329 	hid_dump_input(field->report->device, field->usage + offset, value);
1330 
1331 	if (offset >= field->report_count) {
1332 		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1333 				offset, field->report_count);
1334 		return -1;
1335 	}
1336 	if (field->logical_minimum < 0) {
1337 		if (value != snto32(s32ton(value, size), size)) {
1338 			hid_err(field->report->device, "value %d is out of range\n", value);
1339 			return -1;
1340 		}
1341 	}
1342 	field->value[offset] = value;
1343 	return 0;
1344 }
1345 EXPORT_SYMBOL_GPL(hid_set_field);
1346 
1347 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1348 		const u8 *data)
1349 {
1350 	struct hid_report *report;
1351 	unsigned int n = 0;	/* Normally report number is 0 */
1352 
1353 	/* Device uses numbered reports, data[0] is report number */
1354 	if (report_enum->numbered)
1355 		n = *data;
1356 
1357 	report = report_enum->report_id_hash[n];
1358 	if (report == NULL)
1359 		dbg_hid("undefined report_id %u received\n", n);
1360 
1361 	return report;
1362 }
1363 
1364 /*
1365  * Implement a generic .request() callback, using .raw_request()
1366  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1367  */
1368 void __hid_request(struct hid_device *hid, struct hid_report *report,
1369 		int reqtype)
1370 {
1371 	char *buf;
1372 	int ret;
1373 	int len;
1374 
1375 	buf = hid_alloc_report_buf(report, GFP_KERNEL);
1376 	if (!buf)
1377 		return;
1378 
1379 	len = hid_report_len(report);
1380 
1381 	if (reqtype == HID_REQ_SET_REPORT)
1382 		hid_output_report(report, buf);
1383 
1384 	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1385 					  report->type, reqtype);
1386 	if (ret < 0) {
1387 		dbg_hid("unable to complete request: %d\n", ret);
1388 		goto out;
1389 	}
1390 
1391 	if (reqtype == HID_REQ_GET_REPORT)
1392 		hid_input_report(hid, report->type, buf, ret, 0);
1393 
1394 out:
1395 	kfree(buf);
1396 }
1397 EXPORT_SYMBOL_GPL(__hid_request);
1398 
1399 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1400 		int interrupt)
1401 {
1402 	struct hid_report_enum *report_enum = hid->report_enum + type;
1403 	struct hid_report *report;
1404 	struct hid_driver *hdrv;
1405 	unsigned int a;
1406 	int rsize, csize = size;
1407 	u8 *cdata = data;
1408 	int ret = 0;
1409 
1410 	report = hid_get_report(report_enum, data);
1411 	if (!report)
1412 		goto out;
1413 
1414 	if (report_enum->numbered) {
1415 		cdata++;
1416 		csize--;
1417 	}
1418 
1419 	rsize = ((report->size - 1) >> 3) + 1;
1420 
1421 	if (rsize > HID_MAX_BUFFER_SIZE)
1422 		rsize = HID_MAX_BUFFER_SIZE;
1423 
1424 	if (csize < rsize) {
1425 		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1426 				csize, rsize);
1427 		memset(cdata + csize, 0, rsize - csize);
1428 	}
1429 
1430 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1431 		hid->hiddev_report_event(hid, report);
1432 	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1433 		ret = hidraw_report_event(hid, data, size);
1434 		if (ret)
1435 			goto out;
1436 	}
1437 
1438 	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1439 		for (a = 0; a < report->maxfield; a++)
1440 			hid_input_field(hid, report->field[a], cdata, interrupt);
1441 		hdrv = hid->driver;
1442 		if (hdrv && hdrv->report)
1443 			hdrv->report(hid, report);
1444 	}
1445 
1446 	if (hid->claimed & HID_CLAIMED_INPUT)
1447 		hidinput_report_event(hid, report);
1448 out:
1449 	return ret;
1450 }
1451 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1452 
1453 /**
1454  * hid_input_report - report data from lower layer (usb, bt...)
1455  *
1456  * @hid: hid device
1457  * @type: HID report type (HID_*_REPORT)
1458  * @data: report contents
1459  * @size: size of data parameter
1460  * @interrupt: distinguish between interrupt and control transfers
1461  *
1462  * This is data entry for lower layers.
1463  */
1464 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1465 {
1466 	struct hid_report_enum *report_enum;
1467 	struct hid_driver *hdrv;
1468 	struct hid_report *report;
1469 	int ret = 0;
1470 
1471 	if (!hid)
1472 		return -ENODEV;
1473 
1474 	if (down_trylock(&hid->driver_input_lock))
1475 		return -EBUSY;
1476 
1477 	if (!hid->driver) {
1478 		ret = -ENODEV;
1479 		goto unlock;
1480 	}
1481 	report_enum = hid->report_enum + type;
1482 	hdrv = hid->driver;
1483 
1484 	if (!size) {
1485 		dbg_hid("empty report\n");
1486 		ret = -1;
1487 		goto unlock;
1488 	}
1489 
1490 	/* Avoid unnecessary overhead if debugfs is disabled */
1491 	if (!list_empty(&hid->debug_list))
1492 		hid_dump_report(hid, type, data, size);
1493 
1494 	report = hid_get_report(report_enum, data);
1495 
1496 	if (!report) {
1497 		ret = -1;
1498 		goto unlock;
1499 	}
1500 
1501 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1502 		ret = hdrv->raw_event(hid, report, data, size);
1503 		if (ret < 0)
1504 			goto unlock;
1505 	}
1506 
1507 	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1508 
1509 unlock:
1510 	up(&hid->driver_input_lock);
1511 	return ret;
1512 }
1513 EXPORT_SYMBOL_GPL(hid_input_report);
1514 
1515 static bool hid_match_one_id(struct hid_device *hdev,
1516 		const struct hid_device_id *id)
1517 {
1518 	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1519 		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1520 		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1521 		(id->product == HID_ANY_ID || id->product == hdev->product);
1522 }
1523 
1524 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1525 		const struct hid_device_id *id)
1526 {
1527 	for (; id->bus; id++)
1528 		if (hid_match_one_id(hdev, id))
1529 			return id;
1530 
1531 	return NULL;
1532 }
1533 
1534 static const struct hid_device_id hid_hiddev_list[] = {
1535 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1536 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1537 	{ }
1538 };
1539 
1540 static bool hid_hiddev(struct hid_device *hdev)
1541 {
1542 	return !!hid_match_id(hdev, hid_hiddev_list);
1543 }
1544 
1545 
1546 static ssize_t
1547 read_report_descriptor(struct file *filp, struct kobject *kobj,
1548 		struct bin_attribute *attr,
1549 		char *buf, loff_t off, size_t count)
1550 {
1551 	struct device *dev = container_of(kobj, struct device, kobj);
1552 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1553 
1554 	if (off >= hdev->rsize)
1555 		return 0;
1556 
1557 	if (off + count > hdev->rsize)
1558 		count = hdev->rsize - off;
1559 
1560 	memcpy(buf, hdev->rdesc + off, count);
1561 
1562 	return count;
1563 }
1564 
1565 static ssize_t
1566 show_country(struct device *dev, struct device_attribute *attr,
1567 		char *buf)
1568 {
1569 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1570 
1571 	return sprintf(buf, "%02x\n", hdev->country & 0xff);
1572 }
1573 
1574 static struct bin_attribute dev_bin_attr_report_desc = {
1575 	.attr = { .name = "report_descriptor", .mode = 0444 },
1576 	.read = read_report_descriptor,
1577 	.size = HID_MAX_DESCRIPTOR_SIZE,
1578 };
1579 
1580 static struct device_attribute dev_attr_country = {
1581 	.attr = { .name = "country", .mode = 0444 },
1582 	.show = show_country,
1583 };
1584 
1585 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1586 {
1587 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1588 		"Joystick", "Gamepad", "Keyboard", "Keypad",
1589 		"Multi-Axis Controller"
1590 	};
1591 	const char *type, *bus;
1592 	char buf[64];
1593 	unsigned int i;
1594 	int len;
1595 	int ret;
1596 
1597 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1598 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1599 	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1600 		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1601 	if (hdev->bus != BUS_USB)
1602 		connect_mask &= ~HID_CONNECT_HIDDEV;
1603 	if (hid_hiddev(hdev))
1604 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1605 
1606 	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1607 				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1608 		hdev->claimed |= HID_CLAIMED_INPUT;
1609 
1610 	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1611 			!hdev->hiddev_connect(hdev,
1612 				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1613 		hdev->claimed |= HID_CLAIMED_HIDDEV;
1614 	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1615 		hdev->claimed |= HID_CLAIMED_HIDRAW;
1616 
1617 	if (connect_mask & HID_CONNECT_DRIVER)
1618 		hdev->claimed |= HID_CLAIMED_DRIVER;
1619 
1620 	/* Drivers with the ->raw_event callback set are not required to connect
1621 	 * to any other listener. */
1622 	if (!hdev->claimed && !hdev->driver->raw_event) {
1623 		hid_err(hdev, "device has no listeners, quitting\n");
1624 		return -ENODEV;
1625 	}
1626 
1627 	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1628 			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1629 		hdev->ff_init(hdev);
1630 
1631 	len = 0;
1632 	if (hdev->claimed & HID_CLAIMED_INPUT)
1633 		len += sprintf(buf + len, "input");
1634 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1635 		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1636 				hdev->minor);
1637 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1638 		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1639 				((struct hidraw *)hdev->hidraw)->minor);
1640 
1641 	type = "Device";
1642 	for (i = 0; i < hdev->maxcollection; i++) {
1643 		struct hid_collection *col = &hdev->collection[i];
1644 		if (col->type == HID_COLLECTION_APPLICATION &&
1645 		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1646 		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1647 			type = types[col->usage & 0xffff];
1648 			break;
1649 		}
1650 	}
1651 
1652 	switch (hdev->bus) {
1653 	case BUS_USB:
1654 		bus = "USB";
1655 		break;
1656 	case BUS_BLUETOOTH:
1657 		bus = "BLUETOOTH";
1658 		break;
1659 	default:
1660 		bus = "<UNKNOWN>";
1661 	}
1662 
1663 	ret = device_create_file(&hdev->dev, &dev_attr_country);
1664 	if (ret)
1665 		hid_warn(hdev,
1666 			 "can't create sysfs country code attribute err: %d\n", ret);
1667 
1668 	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1669 	if (ret)
1670 		hid_warn(hdev,
1671 			 "can't create sysfs report descriptor attribute err: %d\n", ret);
1672 
1673 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1674 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1675 		 type, hdev->name, hdev->phys);
1676 
1677 	return 0;
1678 }
1679 EXPORT_SYMBOL_GPL(hid_connect);
1680 
1681 void hid_disconnect(struct hid_device *hdev)
1682 {
1683 	device_remove_file(&hdev->dev, &dev_attr_country);
1684 	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1685 	if (hdev->claimed & HID_CLAIMED_INPUT)
1686 		hidinput_disconnect(hdev);
1687 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1688 		hdev->hiddev_disconnect(hdev);
1689 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1690 		hidraw_disconnect(hdev);
1691 	hdev->claimed = 0;
1692 }
1693 EXPORT_SYMBOL_GPL(hid_disconnect);
1694 
1695 /*
1696  * A list of devices for which there is a specialized driver on HID bus.
1697  *
1698  * Please note that for multitouch devices (driven by hid-multitouch driver),
1699  * there is a proper autodetection and autoloading in place (based on presence
1700  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1701  * as we are doing the right thing in hid_scan_usage().
1702  *
1703  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1704  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1705  * used as a driver. See hid_scan_report().
1706  */
1707 static const struct hid_device_id hid_have_special_driver[] = {
1708 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1709 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1710 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1711 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1712 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1713 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1714 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1715 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1716 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1717 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1718 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1719 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1720 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1721 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1722 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1723 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1724 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1725 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1726 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1727 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1728 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1729 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1730 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1731 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1732 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1733 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1734 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1735 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1736 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1737 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1738 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1739 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1740 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1741 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1742 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1743 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1744 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1745 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1746 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1747 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1748 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1749 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1750 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1751 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1752 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1753 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1754 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1755 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1756 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1757 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1758 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1759 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1760 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1761 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1762 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1763 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1764 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1765 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1766 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1767 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1768 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1769 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1770 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1771 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1772 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1773 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1774 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1775 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1776 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1777 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1778 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1779 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1780 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1781 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1782 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1783 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1784 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1785 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1786 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1787 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1788 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1789 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1790 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1791 	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1792 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1793 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1794 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1795 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1796 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1797 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1798 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1799 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1800 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1801 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1802 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1803 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1804 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1805 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1806 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1807 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1808 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1809 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1810 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1811 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1812 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1813 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1814 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1815 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1816 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1817 	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1818 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1819 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1820 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1821 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1822 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1823 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1824 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1825 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1826 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1827 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1828 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1829 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1830 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1831 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1832 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1833 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1834 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1835 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1836 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1837 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1838 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1839 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1840 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1841 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1842 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1843 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1844 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1845 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1846 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1847 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1848 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1849 	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1850 #if IS_ENABLED(CONFIG_HID_LENOVO)
1851 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1852 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1853 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1854 #endif
1855 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1856 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1857 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1858 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1859 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1860 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1861 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1862 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1863 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1864 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1865 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1866 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1867 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1868 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1869 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1870 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1871 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1872 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1873 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1874 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1875 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1876 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1877 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1878 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1879 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1880 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1881 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1882 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1883 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1884 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1885 #endif
1886 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1887 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1888 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1889 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1890 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1891 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1892 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1893 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1894 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1895 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1896 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1897 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1898 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1899 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1900 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1901 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1902 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1903 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP) },
1904 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1905 	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1906 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1907 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1908 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1909 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1910 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1911 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1912 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1913 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1914 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1915 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1916 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1917 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1918 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1919 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1920 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1921 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1922 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1923 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1924 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1925 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1926 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1927 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1928 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1929 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1930 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1931 #if IS_ENABLED(CONFIG_HID_ROCCAT)
1932 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1933 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1934 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1935 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1936 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1937 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1938 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1939 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1940 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1941 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1942 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1943 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1944 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1945 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1946 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1947 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1948 #endif
1949 #if IS_ENABLED(CONFIG_HID_SAITEK)
1950 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1951 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1952 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1953 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1954 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1955 #endif
1956 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1957 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1958 	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1959 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
1960 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1961 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1962 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1963 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1964 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1965 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1966 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1967 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1968 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1969 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1970 	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1971 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1972 	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1973 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1974 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1975 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1976 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1977 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1978 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1979 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1980 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1981 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1982 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1983 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
1984 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1985 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1986 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1987 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1988 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1989 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1990 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1991 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1992 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1993 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1994 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1995 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1996 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1997 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1998 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1999 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2000 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2001 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2002 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2003 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2004 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2005 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2006 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2007 	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2008 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2009 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2010 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2011 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2012 
2013 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2014 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2015 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2016 	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2017 	{ }
2018 };
2019 
2020 struct hid_dynid {
2021 	struct list_head list;
2022 	struct hid_device_id id;
2023 };
2024 
2025 /**
2026  * store_new_id - add a new HID device ID to this driver and re-probe devices
2027  * @driver: target device driver
2028  * @buf: buffer for scanning device ID data
2029  * @count: input size
2030  *
2031  * Adds a new dynamic hid device ID to this driver,
2032  * and causes the driver to probe for all devices again.
2033  */
2034 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2035 		size_t count)
2036 {
2037 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2038 	struct hid_dynid *dynid;
2039 	__u32 bus, vendor, product;
2040 	unsigned long driver_data = 0;
2041 	int ret;
2042 
2043 	ret = sscanf(buf, "%x %x %x %lx",
2044 			&bus, &vendor, &product, &driver_data);
2045 	if (ret < 3)
2046 		return -EINVAL;
2047 
2048 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2049 	if (!dynid)
2050 		return -ENOMEM;
2051 
2052 	dynid->id.bus = bus;
2053 	dynid->id.group = HID_GROUP_ANY;
2054 	dynid->id.vendor = vendor;
2055 	dynid->id.product = product;
2056 	dynid->id.driver_data = driver_data;
2057 
2058 	spin_lock(&hdrv->dyn_lock);
2059 	list_add_tail(&dynid->list, &hdrv->dyn_list);
2060 	spin_unlock(&hdrv->dyn_lock);
2061 
2062 	ret = driver_attach(&hdrv->driver);
2063 
2064 	return ret ? : count;
2065 }
2066 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2067 
2068 static void hid_free_dynids(struct hid_driver *hdrv)
2069 {
2070 	struct hid_dynid *dynid, *n;
2071 
2072 	spin_lock(&hdrv->dyn_lock);
2073 	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2074 		list_del(&dynid->list);
2075 		kfree(dynid);
2076 	}
2077 	spin_unlock(&hdrv->dyn_lock);
2078 }
2079 
2080 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2081 		struct hid_driver *hdrv)
2082 {
2083 	struct hid_dynid *dynid;
2084 
2085 	spin_lock(&hdrv->dyn_lock);
2086 	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2087 		if (hid_match_one_id(hdev, &dynid->id)) {
2088 			spin_unlock(&hdrv->dyn_lock);
2089 			return &dynid->id;
2090 		}
2091 	}
2092 	spin_unlock(&hdrv->dyn_lock);
2093 
2094 	return hid_match_id(hdev, hdrv->id_table);
2095 }
2096 
2097 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2098 {
2099 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2100 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2101 
2102 	return hid_match_device(hdev, hdrv) != NULL;
2103 }
2104 
2105 static int hid_device_probe(struct device *dev)
2106 {
2107 	struct hid_driver *hdrv = container_of(dev->driver,
2108 			struct hid_driver, driver);
2109 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2110 	const struct hid_device_id *id;
2111 	int ret = 0;
2112 
2113 	if (down_interruptible(&hdev->driver_lock))
2114 		return -EINTR;
2115 	if (down_interruptible(&hdev->driver_input_lock)) {
2116 		ret = -EINTR;
2117 		goto unlock_driver_lock;
2118 	}
2119 	hdev->io_started = false;
2120 
2121 	if (!hdev->driver) {
2122 		id = hid_match_device(hdev, hdrv);
2123 		if (id == NULL) {
2124 			ret = -ENODEV;
2125 			goto unlock;
2126 		}
2127 
2128 		hdev->driver = hdrv;
2129 		if (hdrv->probe) {
2130 			ret = hdrv->probe(hdev, id);
2131 		} else { /* default probe */
2132 			ret = hid_open_report(hdev);
2133 			if (!ret)
2134 				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2135 		}
2136 		if (ret) {
2137 			hid_close_report(hdev);
2138 			hdev->driver = NULL;
2139 		}
2140 	}
2141 unlock:
2142 	if (!hdev->io_started)
2143 		up(&hdev->driver_input_lock);
2144 unlock_driver_lock:
2145 	up(&hdev->driver_lock);
2146 	return ret;
2147 }
2148 
2149 static int hid_device_remove(struct device *dev)
2150 {
2151 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2152 	struct hid_driver *hdrv;
2153 	int ret = 0;
2154 
2155 	if (down_interruptible(&hdev->driver_lock))
2156 		return -EINTR;
2157 	if (down_interruptible(&hdev->driver_input_lock)) {
2158 		ret = -EINTR;
2159 		goto unlock_driver_lock;
2160 	}
2161 	hdev->io_started = false;
2162 
2163 	hdrv = hdev->driver;
2164 	if (hdrv) {
2165 		if (hdrv->remove)
2166 			hdrv->remove(hdev);
2167 		else /* default remove */
2168 			hid_hw_stop(hdev);
2169 		hid_close_report(hdev);
2170 		hdev->driver = NULL;
2171 	}
2172 
2173 	if (!hdev->io_started)
2174 		up(&hdev->driver_input_lock);
2175 unlock_driver_lock:
2176 	up(&hdev->driver_lock);
2177 	return ret;
2178 }
2179 
2180 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2181 			     char *buf)
2182 {
2183 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2184 	int len;
2185 
2186 	len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2187 		       hdev->bus, hdev->group, hdev->vendor, hdev->product);
2188 
2189 	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2190 }
2191 static DEVICE_ATTR_RO(modalias);
2192 
2193 static struct attribute *hid_dev_attrs[] = {
2194 	&dev_attr_modalias.attr,
2195 	NULL,
2196 };
2197 ATTRIBUTE_GROUPS(hid_dev);
2198 
2199 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2200 {
2201 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2202 
2203 	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2204 			hdev->bus, hdev->vendor, hdev->product))
2205 		return -ENOMEM;
2206 
2207 	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2208 		return -ENOMEM;
2209 
2210 	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2211 		return -ENOMEM;
2212 
2213 	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2214 		return -ENOMEM;
2215 
2216 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2217 			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
2218 		return -ENOMEM;
2219 
2220 	return 0;
2221 }
2222 
2223 static struct bus_type hid_bus_type = {
2224 	.name		= "hid",
2225 	.dev_groups	= hid_dev_groups,
2226 	.match		= hid_bus_match,
2227 	.probe		= hid_device_probe,
2228 	.remove		= hid_device_remove,
2229 	.uevent		= hid_uevent,
2230 };
2231 
2232 /* a list of devices that shouldn't be handled by HID core at all */
2233 static const struct hid_device_id hid_ignore_list[] = {
2234 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2235 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2236 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2237 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2238 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2239 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2240 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2241 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2242 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2243 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2244 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2245 	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2246 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2247 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2248 	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2249 	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2250 	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2251 	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2252 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2253 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2254 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2255 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2256 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2257 	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2258 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2259 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2260 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2261 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2262 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2263 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2264 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2265 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2266 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2267 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2268 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2269 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2270 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2271 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2272 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2273 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2274 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2275 	{ HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2276 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2277 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2278 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2279 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2280 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2281 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2282 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2283 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2284 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2285 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2286 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2287 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2288 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2289 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2290 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2291 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2292 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2293 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2294 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2295 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2296 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2297 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2298 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2299 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2300 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2301 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2302 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2303 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2304 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2305 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2306 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2307 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2308 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2309 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2310 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2311 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2312 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2313 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2314 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2315 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2316 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2317 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2318 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2319 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2320 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2321 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2322 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2323 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2324 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2325 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2326 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2327 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2328 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2329 	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2330 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2331 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2332 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2333 	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2334 	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2335 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2336 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2337 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2338 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2339 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2340 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2341 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2342 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2343 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2344 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2345 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2346 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2347 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2348 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2349 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2350 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2351 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2352 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2353 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2354 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2355 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2356 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2357 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2358 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2359 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2360 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2361 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2362 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2363 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2364 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2365 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2366 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2367 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2368 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2369 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2370 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2371 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2372 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2373 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2374 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2375 	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2376 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2377 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2378 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2379 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2380 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2381 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2382 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2383 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2384 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2385 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2386 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2387 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2388 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2389 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2390 	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2391 	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2392 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2393 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2394 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2395 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2396 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2397 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2398 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2399 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2400 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2401 #endif
2402 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2403 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2404 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2405 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2406 	{ HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2407 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2408 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2409 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2410 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2411 	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2412 	{ }
2413 };
2414 
2415 /**
2416  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2417  *
2418  * There are composite devices for which we want to ignore only a certain
2419  * interface. This is a list of devices for which only the mouse interface will
2420  * be ignored. This allows a dedicated driver to take care of the interface.
2421  */
2422 static const struct hid_device_id hid_mouse_ignore_list[] = {
2423 	/* appletouch driver */
2424 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2425 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2426 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2427 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2428 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2429 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2430 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2431 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2432 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2433 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2434 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2435 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2436 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2437 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2438 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2439 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2440 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2441 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2442 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2443 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2444 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2445 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2446 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2447 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2448 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2449 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2450 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2451 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2452 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2453 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2454 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2455 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2456 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2457 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2458 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2459 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2460 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2461 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2462 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2463 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2464 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2465 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2466 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2467 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2468 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2469 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2470 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2471 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2472 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2473 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2474 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2475 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2476 	{ }
2477 };
2478 
2479 bool hid_ignore(struct hid_device *hdev)
2480 {
2481 	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2482 		return false;
2483 	if (hdev->quirks & HID_QUIRK_IGNORE)
2484 		return true;
2485 
2486 	switch (hdev->vendor) {
2487 	case USB_VENDOR_ID_CODEMERCS:
2488 		/* ignore all Code Mercenaries IOWarrior devices */
2489 		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2490 				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2491 			return true;
2492 		break;
2493 	case USB_VENDOR_ID_LOGITECH:
2494 		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2495 				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2496 			return true;
2497 		/*
2498 		 * The Keene FM transmitter USB device has the same USB ID as
2499 		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2500 		 * Check if the name is that of the Keene device.
2501 		 * For reference: the name of the AudioHub is
2502 		 * "HOLTEK  AudioHub Speaker".
2503 		 */
2504 		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2505 			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2506 				return true;
2507 		break;
2508 	case USB_VENDOR_ID_SOUNDGRAPH:
2509 		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2510 		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2511 			return true;
2512 		break;
2513 	case USB_VENDOR_ID_HANWANG:
2514 		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2515 		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2516 			return true;
2517 		break;
2518 	case USB_VENDOR_ID_JESS:
2519 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2520 				hdev->type == HID_TYPE_USBNONE)
2521 			return true;
2522 		break;
2523 	case USB_VENDOR_ID_VELLEMAN:
2524 		/* These are not HID devices.  They are handled by comedi. */
2525 		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2526 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2527 		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2528 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2529 			return true;
2530 		break;
2531 	case USB_VENDOR_ID_ATMEL_V_USB:
2532 		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2533 		 * it has the same USB ID as many Atmel V-USB devices. This
2534 		 * usb radio is handled by radio-ma901.c driver so we want
2535 		 * ignore the hid. Check the name, bus, product and ignore
2536 		 * if we have MA901 usb radio.
2537 		 */
2538 		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2539 			hdev->bus == BUS_USB &&
2540 			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2541 			return true;
2542 		break;
2543 	}
2544 
2545 	if (hdev->type == HID_TYPE_USBMOUSE &&
2546 			hid_match_id(hdev, hid_mouse_ignore_list))
2547 		return true;
2548 
2549 	return !!hid_match_id(hdev, hid_ignore_list);
2550 }
2551 EXPORT_SYMBOL_GPL(hid_ignore);
2552 
2553 int hid_add_device(struct hid_device *hdev)
2554 {
2555 	static atomic_t id = ATOMIC_INIT(0);
2556 	int ret;
2557 
2558 	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2559 		return -EBUSY;
2560 
2561 	/* we need to kill them here, otherwise they will stay allocated to
2562 	 * wait for coming driver */
2563 	if (hid_ignore(hdev))
2564 		return -ENODEV;
2565 
2566 	/*
2567 	 * Check for the mandatory transport channel.
2568 	 */
2569 	 if (!hdev->ll_driver->raw_request) {
2570 		hid_err(hdev, "transport driver missing .raw_request()\n");
2571 		return -EINVAL;
2572 	 }
2573 
2574 	/*
2575 	 * Read the device report descriptor once and use as template
2576 	 * for the driver-specific modifications.
2577 	 */
2578 	ret = hdev->ll_driver->parse(hdev);
2579 	if (ret)
2580 		return ret;
2581 	if (!hdev->dev_rdesc)
2582 		return -ENODEV;
2583 
2584 	/*
2585 	 * Scan generic devices for group information
2586 	 */
2587 	if (hid_ignore_special_drivers ||
2588 	    (!hdev->group &&
2589 	     !hid_match_id(hdev, hid_have_special_driver))) {
2590 		ret = hid_scan_report(hdev);
2591 		if (ret)
2592 			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2593 	}
2594 
2595 	/* XXX hack, any other cleaner solution after the driver core
2596 	 * is converted to allow more than 20 bytes as the device name? */
2597 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2598 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2599 
2600 	hid_debug_register(hdev, dev_name(&hdev->dev));
2601 	ret = device_add(&hdev->dev);
2602 	if (!ret)
2603 		hdev->status |= HID_STAT_ADDED;
2604 	else
2605 		hid_debug_unregister(hdev);
2606 
2607 	return ret;
2608 }
2609 EXPORT_SYMBOL_GPL(hid_add_device);
2610 
2611 /**
2612  * hid_allocate_device - allocate new hid device descriptor
2613  *
2614  * Allocate and initialize hid device, so that hid_destroy_device might be
2615  * used to free it.
2616  *
2617  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2618  * error value.
2619  */
2620 struct hid_device *hid_allocate_device(void)
2621 {
2622 	struct hid_device *hdev;
2623 	int ret = -ENOMEM;
2624 
2625 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2626 	if (hdev == NULL)
2627 		return ERR_PTR(ret);
2628 
2629 	device_initialize(&hdev->dev);
2630 	hdev->dev.release = hid_device_release;
2631 	hdev->dev.bus = &hid_bus_type;
2632 
2633 	hid_close_report(hdev);
2634 
2635 	init_waitqueue_head(&hdev->debug_wait);
2636 	INIT_LIST_HEAD(&hdev->debug_list);
2637 	spin_lock_init(&hdev->debug_list_lock);
2638 	sema_init(&hdev->driver_lock, 1);
2639 	sema_init(&hdev->driver_input_lock, 1);
2640 
2641 	return hdev;
2642 }
2643 EXPORT_SYMBOL_GPL(hid_allocate_device);
2644 
2645 static void hid_remove_device(struct hid_device *hdev)
2646 {
2647 	if (hdev->status & HID_STAT_ADDED) {
2648 		device_del(&hdev->dev);
2649 		hid_debug_unregister(hdev);
2650 		hdev->status &= ~HID_STAT_ADDED;
2651 	}
2652 	kfree(hdev->dev_rdesc);
2653 	hdev->dev_rdesc = NULL;
2654 	hdev->dev_rsize = 0;
2655 }
2656 
2657 /**
2658  * hid_destroy_device - free previously allocated device
2659  *
2660  * @hdev: hid device
2661  *
2662  * If you allocate hid_device through hid_allocate_device, you should ever
2663  * free by this function.
2664  */
2665 void hid_destroy_device(struct hid_device *hdev)
2666 {
2667 	hid_remove_device(hdev);
2668 	put_device(&hdev->dev);
2669 }
2670 EXPORT_SYMBOL_GPL(hid_destroy_device);
2671 
2672 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2673 		const char *mod_name)
2674 {
2675 	int ret;
2676 
2677 	hdrv->driver.name = hdrv->name;
2678 	hdrv->driver.bus = &hid_bus_type;
2679 	hdrv->driver.owner = owner;
2680 	hdrv->driver.mod_name = mod_name;
2681 
2682 	INIT_LIST_HEAD(&hdrv->dyn_list);
2683 	spin_lock_init(&hdrv->dyn_lock);
2684 
2685 	ret = driver_register(&hdrv->driver);
2686 	if (ret)
2687 		return ret;
2688 
2689 	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2690 	if (ret)
2691 		driver_unregister(&hdrv->driver);
2692 
2693 	return ret;
2694 }
2695 EXPORT_SYMBOL_GPL(__hid_register_driver);
2696 
2697 void hid_unregister_driver(struct hid_driver *hdrv)
2698 {
2699 	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2700 	driver_unregister(&hdrv->driver);
2701 	hid_free_dynids(hdrv);
2702 }
2703 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2704 
2705 int hid_check_keys_pressed(struct hid_device *hid)
2706 {
2707 	struct hid_input *hidinput;
2708 	int i;
2709 
2710 	if (!(hid->claimed & HID_CLAIMED_INPUT))
2711 		return 0;
2712 
2713 	list_for_each_entry(hidinput, &hid->inputs, list) {
2714 		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2715 			if (hidinput->input->key[i])
2716 				return 1;
2717 	}
2718 
2719 	return 0;
2720 }
2721 
2722 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2723 
2724 static int __init hid_init(void)
2725 {
2726 	int ret;
2727 
2728 	if (hid_debug)
2729 		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2730 			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2731 
2732 	ret = bus_register(&hid_bus_type);
2733 	if (ret) {
2734 		pr_err("can't register hid bus\n");
2735 		goto err;
2736 	}
2737 
2738 	ret = hidraw_init();
2739 	if (ret)
2740 		goto err_bus;
2741 
2742 	hid_debug_init();
2743 
2744 	return 0;
2745 err_bus:
2746 	bus_unregister(&hid_bus_type);
2747 err:
2748 	return ret;
2749 }
2750 
2751 static void __exit hid_exit(void)
2752 {
2753 	hid_debug_exit();
2754 	hidraw_exit();
2755 	bus_unregister(&hid_bus_type);
2756 }
2757 
2758 module_init(hid_init);
2759 module_exit(hid_exit);
2760 
2761 MODULE_AUTHOR("Andreas Gal");
2762 MODULE_AUTHOR("Vojtech Pavlik");
2763 MODULE_AUTHOR("Jiri Kosina");
2764 MODULE_LICENSE(DRIVER_LICENSE);
2765 
2766