xref: /openbmc/linux/drivers/hid/hid-core.c (revision 51798222)
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 	__u32 count;
431 
432 	data = item_udata(item);
433 
434 	switch (item->tag) {
435 	case HID_LOCAL_ITEM_TAG_DELIMITER:
436 
437 		if (data) {
438 			/*
439 			 * We treat items before the first delimiter
440 			 * as global to all usage sets (branch 0).
441 			 * In the moment we process only these global
442 			 * items and the first delimiter set.
443 			 */
444 			if (parser->local.delimiter_depth != 0) {
445 				hid_err(parser->device, "nested delimiters\n");
446 				return -1;
447 			}
448 			parser->local.delimiter_depth++;
449 			parser->local.delimiter_branch++;
450 		} else {
451 			if (parser->local.delimiter_depth < 1) {
452 				hid_err(parser->device, "bogus close delimiter\n");
453 				return -1;
454 			}
455 			parser->local.delimiter_depth--;
456 		}
457 		return 0;
458 
459 	case HID_LOCAL_ITEM_TAG_USAGE:
460 
461 		if (parser->local.delimiter_branch > 1) {
462 			dbg_hid("alternative usage ignored\n");
463 			return 0;
464 		}
465 
466 		if (item->size <= 2)
467 			data = (parser->global.usage_page << 16) + data;
468 
469 		return hid_add_usage(parser, data);
470 
471 	case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
472 
473 		if (parser->local.delimiter_branch > 1) {
474 			dbg_hid("alternative usage ignored\n");
475 			return 0;
476 		}
477 
478 		if (item->size <= 2)
479 			data = (parser->global.usage_page << 16) + data;
480 
481 		parser->local.usage_minimum = data;
482 		return 0;
483 
484 	case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
485 
486 		if (parser->local.delimiter_branch > 1) {
487 			dbg_hid("alternative usage ignored\n");
488 			return 0;
489 		}
490 
491 		if (item->size <= 2)
492 			data = (parser->global.usage_page << 16) + data;
493 
494 		count = data - parser->local.usage_minimum;
495 		if (count + parser->local.usage_index >= HID_MAX_USAGES) {
496 			/*
497 			 * We do not warn if the name is not set, we are
498 			 * actually pre-scanning the device.
499 			 */
500 			if (dev_name(&parser->device->dev))
501 				hid_warn(parser->device,
502 					 "ignoring exceeding usage max\n");
503 			data = HID_MAX_USAGES - parser->local.usage_index +
504 				parser->local.usage_minimum - 1;
505 			if (data <= 0) {
506 				hid_err(parser->device,
507 					"no more usage index available\n");
508 				return -1;
509 			}
510 		}
511 
512 		for (n = parser->local.usage_minimum; n <= data; n++)
513 			if (hid_add_usage(parser, n)) {
514 				dbg_hid("hid_add_usage failed\n");
515 				return -1;
516 			}
517 		return 0;
518 
519 	default:
520 
521 		dbg_hid("unknown local item tag 0x%x\n", item->tag);
522 		return 0;
523 	}
524 	return 0;
525 }
526 
527 /*
528  * Process a main item.
529  */
530 
531 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
532 {
533 	__u32 data;
534 	int ret;
535 
536 	data = item_udata(item);
537 
538 	switch (item->tag) {
539 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
540 		ret = open_collection(parser, data & 0xff);
541 		break;
542 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
543 		ret = close_collection(parser);
544 		break;
545 	case HID_MAIN_ITEM_TAG_INPUT:
546 		ret = hid_add_field(parser, HID_INPUT_REPORT, data);
547 		break;
548 	case HID_MAIN_ITEM_TAG_OUTPUT:
549 		ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
550 		break;
551 	case HID_MAIN_ITEM_TAG_FEATURE:
552 		ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
553 		break;
554 	default:
555 		hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
556 		ret = 0;
557 	}
558 
559 	memset(&parser->local, 0, sizeof(parser->local));	/* Reset the local parser environment */
560 
561 	return ret;
562 }
563 
564 /*
565  * Process a reserved item.
566  */
567 
568 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
569 {
570 	dbg_hid("reserved item type, tag 0x%x\n", item->tag);
571 	return 0;
572 }
573 
574 /*
575  * Free a report and all registered fields. The field->usage and
576  * field->value table's are allocated behind the field, so we need
577  * only to free(field) itself.
578  */
579 
580 static void hid_free_report(struct hid_report *report)
581 {
582 	unsigned n;
583 
584 	for (n = 0; n < report->maxfield; n++)
585 		kfree(report->field[n]);
586 	kfree(report);
587 }
588 
589 /*
590  * Close report. This function returns the device
591  * state to the point prior to hid_open_report().
592  */
593 static void hid_close_report(struct hid_device *device)
594 {
595 	unsigned i, j;
596 
597 	for (i = 0; i < HID_REPORT_TYPES; i++) {
598 		struct hid_report_enum *report_enum = device->report_enum + i;
599 
600 		for (j = 0; j < HID_MAX_IDS; j++) {
601 			struct hid_report *report = report_enum->report_id_hash[j];
602 			if (report)
603 				hid_free_report(report);
604 		}
605 		memset(report_enum, 0, sizeof(*report_enum));
606 		INIT_LIST_HEAD(&report_enum->report_list);
607 	}
608 
609 	kfree(device->rdesc);
610 	device->rdesc = NULL;
611 	device->rsize = 0;
612 
613 	kfree(device->collection);
614 	device->collection = NULL;
615 	device->collection_size = 0;
616 	device->maxcollection = 0;
617 	device->maxapplication = 0;
618 
619 	device->status &= ~HID_STAT_PARSED;
620 }
621 
622 /*
623  * Free a device structure, all reports, and all fields.
624  */
625 
626 static void hid_device_release(struct device *dev)
627 {
628 	struct hid_device *hid = container_of(dev, struct hid_device, dev);
629 
630 	hid_close_report(hid);
631 	kfree(hid->dev_rdesc);
632 	kfree(hid);
633 }
634 
635 /*
636  * Fetch a report description item from the data stream. We support long
637  * items, though they are not used yet.
638  */
639 
640 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
641 {
642 	u8 b;
643 
644 	if ((end - start) <= 0)
645 		return NULL;
646 
647 	b = *start++;
648 
649 	item->type = (b >> 2) & 3;
650 	item->tag  = (b >> 4) & 15;
651 
652 	if (item->tag == HID_ITEM_TAG_LONG) {
653 
654 		item->format = HID_ITEM_FORMAT_LONG;
655 
656 		if ((end - start) < 2)
657 			return NULL;
658 
659 		item->size = *start++;
660 		item->tag  = *start++;
661 
662 		if ((end - start) < item->size)
663 			return NULL;
664 
665 		item->data.longdata = start;
666 		start += item->size;
667 		return start;
668 	}
669 
670 	item->format = HID_ITEM_FORMAT_SHORT;
671 	item->size = b & 3;
672 
673 	switch (item->size) {
674 	case 0:
675 		return start;
676 
677 	case 1:
678 		if ((end - start) < 1)
679 			return NULL;
680 		item->data.u8 = *start++;
681 		return start;
682 
683 	case 2:
684 		if ((end - start) < 2)
685 			return NULL;
686 		item->data.u16 = get_unaligned_le16(start);
687 		start = (__u8 *)((__le16 *)start + 1);
688 		return start;
689 
690 	case 3:
691 		item->size++;
692 		if ((end - start) < 4)
693 			return NULL;
694 		item->data.u32 = get_unaligned_le32(start);
695 		start = (__u8 *)((__le32 *)start + 1);
696 		return start;
697 	}
698 
699 	return NULL;
700 }
701 
702 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
703 {
704 	struct hid_device *hid = parser->device;
705 
706 	if (usage == HID_DG_CONTACTID)
707 		hid->group = HID_GROUP_MULTITOUCH;
708 }
709 
710 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
711 {
712 	if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
713 	    parser->global.report_size == 8)
714 		parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
715 }
716 
717 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
718 {
719 	struct hid_device *hid = parser->device;
720 	int i;
721 
722 	if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
723 	    type == HID_COLLECTION_PHYSICAL)
724 		hid->group = HID_GROUP_SENSOR_HUB;
725 
726 	if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
727 	    (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
728 	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
729 	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
730 	     hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
731 	    hid->group == HID_GROUP_MULTITOUCH)
732 		hid->group = HID_GROUP_GENERIC;
733 
734 	if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
735 		for (i = 0; i < parser->local.usage_index; i++)
736 			if (parser->local.usage[i] == HID_GD_POINTER)
737 				parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
738 
739 	if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
740 		parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
741 }
742 
743 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
744 {
745 	__u32 data;
746 	int i;
747 
748 	data = item_udata(item);
749 
750 	switch (item->tag) {
751 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
752 		hid_scan_collection(parser, data & 0xff);
753 		break;
754 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
755 		break;
756 	case HID_MAIN_ITEM_TAG_INPUT:
757 		/* ignore constant inputs, they will be ignored by hid-input */
758 		if (data & HID_MAIN_ITEM_CONSTANT)
759 			break;
760 		for (i = 0; i < parser->local.usage_index; i++)
761 			hid_scan_input_usage(parser, parser->local.usage[i]);
762 		break;
763 	case HID_MAIN_ITEM_TAG_OUTPUT:
764 		break;
765 	case HID_MAIN_ITEM_TAG_FEATURE:
766 		for (i = 0; i < parser->local.usage_index; i++)
767 			hid_scan_feature_usage(parser, parser->local.usage[i]);
768 		break;
769 	}
770 
771 	/* Reset the local parser environment */
772 	memset(&parser->local, 0, sizeof(parser->local));
773 
774 	return 0;
775 }
776 
777 /*
778  * Scan a report descriptor before the device is added to the bus.
779  * Sets device groups and other properties that determine what driver
780  * to load.
781  */
782 static int hid_scan_report(struct hid_device *hid)
783 {
784 	struct hid_parser *parser;
785 	struct hid_item item;
786 	__u8 *start = hid->dev_rdesc;
787 	__u8 *end = start + hid->dev_rsize;
788 	static int (*dispatch_type[])(struct hid_parser *parser,
789 				      struct hid_item *item) = {
790 		hid_scan_main,
791 		hid_parser_global,
792 		hid_parser_local,
793 		hid_parser_reserved
794 	};
795 
796 	parser = vzalloc(sizeof(struct hid_parser));
797 	if (!parser)
798 		return -ENOMEM;
799 
800 	parser->device = hid;
801 	hid->group = HID_GROUP_GENERIC;
802 
803 	/*
804 	 * The parsing is simpler than the one in hid_open_report() as we should
805 	 * be robust against hid errors. Those errors will be raised by
806 	 * hid_open_report() anyway.
807 	 */
808 	while ((start = fetch_item(start, end, &item)) != NULL)
809 		dispatch_type[item.type](parser, &item);
810 
811 	/*
812 	 * Handle special flags set during scanning.
813 	 */
814 	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
815 	    (hid->group == HID_GROUP_MULTITOUCH))
816 		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
817 
818 	/*
819 	 * Vendor specific handlings
820 	 */
821 	switch (hid->vendor) {
822 	case USB_VENDOR_ID_WACOM:
823 		hid->group = HID_GROUP_WACOM;
824 		break;
825 	case USB_VENDOR_ID_SYNAPTICS:
826 		if (hid->group == HID_GROUP_GENERIC)
827 			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
828 			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
829 				/*
830 				 * hid-rmi should take care of them,
831 				 * not hid-generic
832 				 */
833 				hid->group = HID_GROUP_RMI;
834 		break;
835 	}
836 
837 	vfree(parser);
838 	return 0;
839 }
840 
841 /**
842  * hid_parse_report - parse device report
843  *
844  * @device: hid device
845  * @start: report start
846  * @size: report size
847  *
848  * Allocate the device report as read by the bus driver. This function should
849  * only be called from parse() in ll drivers.
850  */
851 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
852 {
853 	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
854 	if (!hid->dev_rdesc)
855 		return -ENOMEM;
856 	hid->dev_rsize = size;
857 	return 0;
858 }
859 EXPORT_SYMBOL_GPL(hid_parse_report);
860 
861 static const char * const hid_report_names[] = {
862 	"HID_INPUT_REPORT",
863 	"HID_OUTPUT_REPORT",
864 	"HID_FEATURE_REPORT",
865 };
866 /**
867  * hid_validate_values - validate existing device report's value indexes
868  *
869  * @device: hid device
870  * @type: which report type to examine
871  * @id: which report ID to examine (0 for first)
872  * @field_index: which report field to examine
873  * @report_counts: expected number of values
874  *
875  * Validate the number of values in a given field of a given report, after
876  * parsing.
877  */
878 struct hid_report *hid_validate_values(struct hid_device *hid,
879 				       unsigned int type, unsigned int id,
880 				       unsigned int field_index,
881 				       unsigned int report_counts)
882 {
883 	struct hid_report *report;
884 
885 	if (type > HID_FEATURE_REPORT) {
886 		hid_err(hid, "invalid HID report type %u\n", type);
887 		return NULL;
888 	}
889 
890 	if (id >= HID_MAX_IDS) {
891 		hid_err(hid, "invalid HID report id %u\n", id);
892 		return NULL;
893 	}
894 
895 	/*
896 	 * Explicitly not using hid_get_report() here since it depends on
897 	 * ->numbered being checked, which may not always be the case when
898 	 * drivers go to access report values.
899 	 */
900 	if (id == 0) {
901 		/*
902 		 * Validating on id 0 means we should examine the first
903 		 * report in the list.
904 		 */
905 		report = list_entry(
906 				hid->report_enum[type].report_list.next,
907 				struct hid_report, list);
908 	} else {
909 		report = hid->report_enum[type].report_id_hash[id];
910 	}
911 	if (!report) {
912 		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
913 		return NULL;
914 	}
915 	if (report->maxfield <= field_index) {
916 		hid_err(hid, "not enough fields in %s %u\n",
917 			hid_report_names[type], id);
918 		return NULL;
919 	}
920 	if (report->field[field_index]->report_count < report_counts) {
921 		hid_err(hid, "not enough values in %s %u field %u\n",
922 			hid_report_names[type], id, field_index);
923 		return NULL;
924 	}
925 	return report;
926 }
927 EXPORT_SYMBOL_GPL(hid_validate_values);
928 
929 /**
930  * hid_open_report - open a driver-specific device report
931  *
932  * @device: hid device
933  *
934  * Parse a report description into a hid_device structure. Reports are
935  * enumerated, fields are attached to these reports.
936  * 0 returned on success, otherwise nonzero error value.
937  *
938  * This function (or the equivalent hid_parse() macro) should only be
939  * called from probe() in drivers, before starting the device.
940  */
941 int hid_open_report(struct hid_device *device)
942 {
943 	struct hid_parser *parser;
944 	struct hid_item item;
945 	unsigned int size;
946 	__u8 *start;
947 	__u8 *buf;
948 	__u8 *end;
949 	int ret;
950 	static int (*dispatch_type[])(struct hid_parser *parser,
951 				      struct hid_item *item) = {
952 		hid_parser_main,
953 		hid_parser_global,
954 		hid_parser_local,
955 		hid_parser_reserved
956 	};
957 
958 	if (WARN_ON(device->status & HID_STAT_PARSED))
959 		return -EBUSY;
960 
961 	start = device->dev_rdesc;
962 	if (WARN_ON(!start))
963 		return -ENODEV;
964 	size = device->dev_rsize;
965 
966 	buf = kmemdup(start, size, GFP_KERNEL);
967 	if (buf == NULL)
968 		return -ENOMEM;
969 
970 	if (device->driver->report_fixup)
971 		start = device->driver->report_fixup(device, buf, &size);
972 	else
973 		start = buf;
974 
975 	start = kmemdup(start, size, GFP_KERNEL);
976 	kfree(buf);
977 	if (start == NULL)
978 		return -ENOMEM;
979 
980 	device->rdesc = start;
981 	device->rsize = size;
982 
983 	parser = vzalloc(sizeof(struct hid_parser));
984 	if (!parser) {
985 		ret = -ENOMEM;
986 		goto err;
987 	}
988 
989 	parser->device = device;
990 
991 	end = start + size;
992 
993 	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
994 				     sizeof(struct hid_collection), GFP_KERNEL);
995 	if (!device->collection) {
996 		ret = -ENOMEM;
997 		goto err;
998 	}
999 	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1000 
1001 	ret = -EINVAL;
1002 	while ((start = fetch_item(start, end, &item)) != NULL) {
1003 
1004 		if (item.format != HID_ITEM_FORMAT_SHORT) {
1005 			hid_err(device, "unexpected long global item\n");
1006 			goto err;
1007 		}
1008 
1009 		if (dispatch_type[item.type](parser, &item)) {
1010 			hid_err(device, "item %u %u %u %u parsing failed\n",
1011 				item.format, (unsigned)item.size,
1012 				(unsigned)item.type, (unsigned)item.tag);
1013 			goto err;
1014 		}
1015 
1016 		if (start == end) {
1017 			if (parser->collection_stack_ptr) {
1018 				hid_err(device, "unbalanced collection at end of report description\n");
1019 				goto err;
1020 			}
1021 			if (parser->local.delimiter_depth) {
1022 				hid_err(device, "unbalanced delimiter at end of report description\n");
1023 				goto err;
1024 			}
1025 			vfree(parser);
1026 			device->status |= HID_STAT_PARSED;
1027 			return 0;
1028 		}
1029 	}
1030 
1031 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1032 err:
1033 	vfree(parser);
1034 	hid_close_report(device);
1035 	return ret;
1036 }
1037 EXPORT_SYMBOL_GPL(hid_open_report);
1038 
1039 /*
1040  * Convert a signed n-bit integer to signed 32-bit integer. Common
1041  * cases are done through the compiler, the screwed things has to be
1042  * done by hand.
1043  */
1044 
1045 static s32 snto32(__u32 value, unsigned n)
1046 {
1047 	switch (n) {
1048 	case 8:  return ((__s8)value);
1049 	case 16: return ((__s16)value);
1050 	case 32: return ((__s32)value);
1051 	}
1052 	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1053 }
1054 
1055 s32 hid_snto32(__u32 value, unsigned n)
1056 {
1057 	return snto32(value, n);
1058 }
1059 EXPORT_SYMBOL_GPL(hid_snto32);
1060 
1061 /*
1062  * Convert a signed 32-bit integer to a signed n-bit integer.
1063  */
1064 
1065 static u32 s32ton(__s32 value, unsigned n)
1066 {
1067 	s32 a = value >> (n - 1);
1068 	if (a && a != -1)
1069 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1070 	return value & ((1 << n) - 1);
1071 }
1072 
1073 /*
1074  * Extract/implement a data field from/to a little endian report (bit array).
1075  *
1076  * Code sort-of follows HID spec:
1077  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1078  *
1079  * While the USB HID spec allows unlimited length bit fields in "report
1080  * descriptors", most devices never use more than 16 bits.
1081  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1082  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1083  */
1084 
1085 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
1086 		     unsigned offset, unsigned n)
1087 {
1088 	u64 x;
1089 
1090 	if (n > 32)
1091 		hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1092 			 n, current->comm);
1093 
1094 	report += offset >> 3;  /* adjust byte index */
1095 	offset &= 7;            /* now only need bit offset into one byte */
1096 	x = get_unaligned_le64(report);
1097 	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1098 	return (u32) x;
1099 }
1100 EXPORT_SYMBOL_GPL(hid_field_extract);
1101 
1102 /*
1103  * "implement" : set bits in a little endian bit stream.
1104  * Same concepts as "extract" (see comments above).
1105  * The data mangled in the bit stream remains in little endian
1106  * order the whole time. It make more sense to talk about
1107  * endianness of register values by considering a register
1108  * a "cached" copy of the little endiad bit stream.
1109  */
1110 static void implement(const struct hid_device *hid, __u8 *report,
1111 		      unsigned offset, unsigned n, __u32 value)
1112 {
1113 	u64 x;
1114 	u64 m = (1ULL << n) - 1;
1115 
1116 	if (n > 32)
1117 		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1118 			 __func__, n, current->comm);
1119 
1120 	if (value > m)
1121 		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1122 			 __func__, value, current->comm);
1123 	WARN_ON(value > m);
1124 	value &= m;
1125 
1126 	report += offset >> 3;
1127 	offset &= 7;
1128 
1129 	x = get_unaligned_le64(report);
1130 	x &= ~(m << offset);
1131 	x |= ((u64)value) << offset;
1132 	put_unaligned_le64(x, report);
1133 }
1134 
1135 /*
1136  * Search an array for a value.
1137  */
1138 
1139 static int search(__s32 *array, __s32 value, unsigned n)
1140 {
1141 	while (n--) {
1142 		if (*array++ == value)
1143 			return 0;
1144 	}
1145 	return -1;
1146 }
1147 
1148 /**
1149  * hid_match_report - check if driver's raw_event should be called
1150  *
1151  * @hid: hid device
1152  * @report_type: type to match against
1153  *
1154  * compare hid->driver->report_table->report_type to report->type
1155  */
1156 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1157 {
1158 	const struct hid_report_id *id = hid->driver->report_table;
1159 
1160 	if (!id) /* NULL means all */
1161 		return 1;
1162 
1163 	for (; id->report_type != HID_TERMINATOR; id++)
1164 		if (id->report_type == HID_ANY_ID ||
1165 				id->report_type == report->type)
1166 			return 1;
1167 	return 0;
1168 }
1169 
1170 /**
1171  * hid_match_usage - check if driver's event should be called
1172  *
1173  * @hid: hid device
1174  * @usage: usage to match against
1175  *
1176  * compare hid->driver->usage_table->usage_{type,code} to
1177  * usage->usage_{type,code}
1178  */
1179 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1180 {
1181 	const struct hid_usage_id *id = hid->driver->usage_table;
1182 
1183 	if (!id) /* NULL means all */
1184 		return 1;
1185 
1186 	for (; id->usage_type != HID_ANY_ID - 1; id++)
1187 		if ((id->usage_hid == HID_ANY_ID ||
1188 				id->usage_hid == usage->hid) &&
1189 				(id->usage_type == HID_ANY_ID ||
1190 				id->usage_type == usage->type) &&
1191 				(id->usage_code == HID_ANY_ID ||
1192 				 id->usage_code == usage->code))
1193 			return 1;
1194 	return 0;
1195 }
1196 
1197 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1198 		struct hid_usage *usage, __s32 value, int interrupt)
1199 {
1200 	struct hid_driver *hdrv = hid->driver;
1201 	int ret;
1202 
1203 	if (!list_empty(&hid->debug_list))
1204 		hid_dump_input(hid, usage, value);
1205 
1206 	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1207 		ret = hdrv->event(hid, field, usage, value);
1208 		if (ret != 0) {
1209 			if (ret < 0)
1210 				hid_err(hid, "%s's event failed with %d\n",
1211 						hdrv->name, ret);
1212 			return;
1213 		}
1214 	}
1215 
1216 	if (hid->claimed & HID_CLAIMED_INPUT)
1217 		hidinput_hid_event(hid, field, usage, value);
1218 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1219 		hid->hiddev_hid_event(hid, field, usage, value);
1220 }
1221 
1222 /*
1223  * Analyse a received field, and fetch the data from it. The field
1224  * content is stored for next report processing (we do differential
1225  * reporting to the layer).
1226  */
1227 
1228 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1229 			    __u8 *data, int interrupt)
1230 {
1231 	unsigned n;
1232 	unsigned count = field->report_count;
1233 	unsigned offset = field->report_offset;
1234 	unsigned size = field->report_size;
1235 	__s32 min = field->logical_minimum;
1236 	__s32 max = field->logical_maximum;
1237 	__s32 *value;
1238 
1239 	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1240 	if (!value)
1241 		return;
1242 
1243 	for (n = 0; n < count; n++) {
1244 
1245 		value[n] = min < 0 ?
1246 			snto32(hid_field_extract(hid, data, offset + n * size,
1247 			       size), size) :
1248 			hid_field_extract(hid, data, offset + n * size, size);
1249 
1250 		/* Ignore report if ErrorRollOver */
1251 		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1252 		    value[n] >= min && value[n] <= max &&
1253 		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1254 			goto exit;
1255 	}
1256 
1257 	for (n = 0; n < count; n++) {
1258 
1259 		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1260 			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1261 			continue;
1262 		}
1263 
1264 		if (field->value[n] >= min && field->value[n] <= max
1265 			&& field->usage[field->value[n] - min].hid
1266 			&& search(value, field->value[n], count))
1267 				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1268 
1269 		if (value[n] >= min && value[n] <= max
1270 			&& field->usage[value[n] - min].hid
1271 			&& search(field->value, value[n], count))
1272 				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1273 	}
1274 
1275 	memcpy(field->value, value, count * sizeof(__s32));
1276 exit:
1277 	kfree(value);
1278 }
1279 
1280 /*
1281  * Output the field into the report.
1282  */
1283 
1284 static void hid_output_field(const struct hid_device *hid,
1285 			     struct hid_field *field, __u8 *data)
1286 {
1287 	unsigned count = field->report_count;
1288 	unsigned offset = field->report_offset;
1289 	unsigned size = field->report_size;
1290 	unsigned n;
1291 
1292 	for (n = 0; n < count; n++) {
1293 		if (field->logical_minimum < 0)	/* signed values */
1294 			implement(hid, data, offset + n * size, size,
1295 				  s32ton(field->value[n], size));
1296 		else				/* unsigned values */
1297 			implement(hid, data, offset + n * size, size,
1298 				  field->value[n]);
1299 	}
1300 }
1301 
1302 /*
1303  * Create a report. 'data' has to be allocated using
1304  * hid_alloc_report_buf() so that it has proper size.
1305  */
1306 
1307 void hid_output_report(struct hid_report *report, __u8 *data)
1308 {
1309 	unsigned n;
1310 
1311 	if (report->id > 0)
1312 		*data++ = report->id;
1313 
1314 	memset(data, 0, ((report->size - 1) >> 3) + 1);
1315 	for (n = 0; n < report->maxfield; n++)
1316 		hid_output_field(report->device, report->field[n], data);
1317 }
1318 EXPORT_SYMBOL_GPL(hid_output_report);
1319 
1320 /*
1321  * Allocator for buffer that is going to be passed to hid_output_report()
1322  */
1323 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1324 {
1325 	/*
1326 	 * 7 extra bytes are necessary to achieve proper functionality
1327 	 * of implement() working on 8 byte chunks
1328 	 */
1329 
1330 	int len = hid_report_len(report) + 7;
1331 
1332 	return kmalloc(len, flags);
1333 }
1334 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1335 
1336 /*
1337  * Set a field value. The report this field belongs to has to be
1338  * created and transferred to the device, to set this value in the
1339  * device.
1340  */
1341 
1342 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1343 {
1344 	unsigned size;
1345 
1346 	if (!field)
1347 		return -1;
1348 
1349 	size = field->report_size;
1350 
1351 	hid_dump_input(field->report->device, field->usage + offset, value);
1352 
1353 	if (offset >= field->report_count) {
1354 		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1355 				offset, field->report_count);
1356 		return -1;
1357 	}
1358 	if (field->logical_minimum < 0) {
1359 		if (value != snto32(s32ton(value, size), size)) {
1360 			hid_err(field->report->device, "value %d is out of range\n", value);
1361 			return -1;
1362 		}
1363 	}
1364 	field->value[offset] = value;
1365 	return 0;
1366 }
1367 EXPORT_SYMBOL_GPL(hid_set_field);
1368 
1369 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1370 		const u8 *data)
1371 {
1372 	struct hid_report *report;
1373 	unsigned int n = 0;	/* Normally report number is 0 */
1374 
1375 	/* Device uses numbered reports, data[0] is report number */
1376 	if (report_enum->numbered)
1377 		n = *data;
1378 
1379 	report = report_enum->report_id_hash[n];
1380 	if (report == NULL)
1381 		dbg_hid("undefined report_id %u received\n", n);
1382 
1383 	return report;
1384 }
1385 
1386 /*
1387  * Implement a generic .request() callback, using .raw_request()
1388  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1389  */
1390 void __hid_request(struct hid_device *hid, struct hid_report *report,
1391 		int reqtype)
1392 {
1393 	char *buf;
1394 	int ret;
1395 	int len;
1396 
1397 	buf = hid_alloc_report_buf(report, GFP_KERNEL);
1398 	if (!buf)
1399 		return;
1400 
1401 	len = hid_report_len(report);
1402 
1403 	if (reqtype == HID_REQ_SET_REPORT)
1404 		hid_output_report(report, buf);
1405 
1406 	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1407 					  report->type, reqtype);
1408 	if (ret < 0) {
1409 		dbg_hid("unable to complete request: %d\n", ret);
1410 		goto out;
1411 	}
1412 
1413 	if (reqtype == HID_REQ_GET_REPORT)
1414 		hid_input_report(hid, report->type, buf, ret, 0);
1415 
1416 out:
1417 	kfree(buf);
1418 }
1419 EXPORT_SYMBOL_GPL(__hid_request);
1420 
1421 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1422 		int interrupt)
1423 {
1424 	struct hid_report_enum *report_enum = hid->report_enum + type;
1425 	struct hid_report *report;
1426 	struct hid_driver *hdrv;
1427 	unsigned int a;
1428 	int rsize, csize = size;
1429 	u8 *cdata = data;
1430 	int ret = 0;
1431 
1432 	report = hid_get_report(report_enum, data);
1433 	if (!report)
1434 		goto out;
1435 
1436 	if (report_enum->numbered) {
1437 		cdata++;
1438 		csize--;
1439 	}
1440 
1441 	rsize = ((report->size - 1) >> 3) + 1;
1442 
1443 	if (rsize > HID_MAX_BUFFER_SIZE)
1444 		rsize = HID_MAX_BUFFER_SIZE;
1445 
1446 	if (csize < rsize) {
1447 		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1448 				csize, rsize);
1449 		memset(cdata + csize, 0, rsize - csize);
1450 	}
1451 
1452 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1453 		hid->hiddev_report_event(hid, report);
1454 	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1455 		ret = hidraw_report_event(hid, data, size);
1456 		if (ret)
1457 			goto out;
1458 	}
1459 
1460 	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1461 		for (a = 0; a < report->maxfield; a++)
1462 			hid_input_field(hid, report->field[a], cdata, interrupt);
1463 		hdrv = hid->driver;
1464 		if (hdrv && hdrv->report)
1465 			hdrv->report(hid, report);
1466 	}
1467 
1468 	if (hid->claimed & HID_CLAIMED_INPUT)
1469 		hidinput_report_event(hid, report);
1470 out:
1471 	return ret;
1472 }
1473 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1474 
1475 /**
1476  * hid_input_report - report data from lower layer (usb, bt...)
1477  *
1478  * @hid: hid device
1479  * @type: HID report type (HID_*_REPORT)
1480  * @data: report contents
1481  * @size: size of data parameter
1482  * @interrupt: distinguish between interrupt and control transfers
1483  *
1484  * This is data entry for lower layers.
1485  */
1486 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1487 {
1488 	struct hid_report_enum *report_enum;
1489 	struct hid_driver *hdrv;
1490 	struct hid_report *report;
1491 	int ret = 0;
1492 
1493 	if (!hid)
1494 		return -ENODEV;
1495 
1496 	if (down_trylock(&hid->driver_input_lock))
1497 		return -EBUSY;
1498 
1499 	if (!hid->driver) {
1500 		ret = -ENODEV;
1501 		goto unlock;
1502 	}
1503 	report_enum = hid->report_enum + type;
1504 	hdrv = hid->driver;
1505 
1506 	if (!size) {
1507 		dbg_hid("empty report\n");
1508 		ret = -1;
1509 		goto unlock;
1510 	}
1511 
1512 	/* Avoid unnecessary overhead if debugfs is disabled */
1513 	if (!list_empty(&hid->debug_list))
1514 		hid_dump_report(hid, type, data, size);
1515 
1516 	report = hid_get_report(report_enum, data);
1517 
1518 	if (!report) {
1519 		ret = -1;
1520 		goto unlock;
1521 	}
1522 
1523 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1524 		ret = hdrv->raw_event(hid, report, data, size);
1525 		if (ret < 0)
1526 			goto unlock;
1527 	}
1528 
1529 	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1530 
1531 unlock:
1532 	up(&hid->driver_input_lock);
1533 	return ret;
1534 }
1535 EXPORT_SYMBOL_GPL(hid_input_report);
1536 
1537 static bool hid_match_one_id(struct hid_device *hdev,
1538 		const struct hid_device_id *id)
1539 {
1540 	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1541 		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1542 		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1543 		(id->product == HID_ANY_ID || id->product == hdev->product);
1544 }
1545 
1546 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1547 		const struct hid_device_id *id)
1548 {
1549 	for (; id->bus; id++)
1550 		if (hid_match_one_id(hdev, id))
1551 			return id;
1552 
1553 	return NULL;
1554 }
1555 
1556 static const struct hid_device_id hid_hiddev_list[] = {
1557 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1558 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1559 	{ }
1560 };
1561 
1562 static bool hid_hiddev(struct hid_device *hdev)
1563 {
1564 	return !!hid_match_id(hdev, hid_hiddev_list);
1565 }
1566 
1567 
1568 static ssize_t
1569 read_report_descriptor(struct file *filp, struct kobject *kobj,
1570 		struct bin_attribute *attr,
1571 		char *buf, loff_t off, size_t count)
1572 {
1573 	struct device *dev = container_of(kobj, struct device, kobj);
1574 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1575 
1576 	if (off >= hdev->rsize)
1577 		return 0;
1578 
1579 	if (off + count > hdev->rsize)
1580 		count = hdev->rsize - off;
1581 
1582 	memcpy(buf, hdev->rdesc + off, count);
1583 
1584 	return count;
1585 }
1586 
1587 static ssize_t
1588 show_country(struct device *dev, struct device_attribute *attr,
1589 		char *buf)
1590 {
1591 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1592 
1593 	return sprintf(buf, "%02x\n", hdev->country & 0xff);
1594 }
1595 
1596 static struct bin_attribute dev_bin_attr_report_desc = {
1597 	.attr = { .name = "report_descriptor", .mode = 0444 },
1598 	.read = read_report_descriptor,
1599 	.size = HID_MAX_DESCRIPTOR_SIZE,
1600 };
1601 
1602 static struct device_attribute dev_attr_country = {
1603 	.attr = { .name = "country", .mode = 0444 },
1604 	.show = show_country,
1605 };
1606 
1607 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1608 {
1609 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1610 		"Joystick", "Gamepad", "Keyboard", "Keypad",
1611 		"Multi-Axis Controller"
1612 	};
1613 	const char *type, *bus;
1614 	char buf[64];
1615 	unsigned int i;
1616 	int len;
1617 	int ret;
1618 
1619 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1620 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1621 	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1622 		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1623 	if (hdev->bus != BUS_USB)
1624 		connect_mask &= ~HID_CONNECT_HIDDEV;
1625 	if (hid_hiddev(hdev))
1626 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1627 
1628 	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1629 				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1630 		hdev->claimed |= HID_CLAIMED_INPUT;
1631 
1632 	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1633 			!hdev->hiddev_connect(hdev,
1634 				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1635 		hdev->claimed |= HID_CLAIMED_HIDDEV;
1636 	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1637 		hdev->claimed |= HID_CLAIMED_HIDRAW;
1638 
1639 	if (connect_mask & HID_CONNECT_DRIVER)
1640 		hdev->claimed |= HID_CLAIMED_DRIVER;
1641 
1642 	/* Drivers with the ->raw_event callback set are not required to connect
1643 	 * to any other listener. */
1644 	if (!hdev->claimed && !hdev->driver->raw_event) {
1645 		hid_err(hdev, "device has no listeners, quitting\n");
1646 		return -ENODEV;
1647 	}
1648 
1649 	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1650 			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1651 		hdev->ff_init(hdev);
1652 
1653 	len = 0;
1654 	if (hdev->claimed & HID_CLAIMED_INPUT)
1655 		len += sprintf(buf + len, "input");
1656 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1657 		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1658 				hdev->minor);
1659 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1660 		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1661 				((struct hidraw *)hdev->hidraw)->minor);
1662 
1663 	type = "Device";
1664 	for (i = 0; i < hdev->maxcollection; i++) {
1665 		struct hid_collection *col = &hdev->collection[i];
1666 		if (col->type == HID_COLLECTION_APPLICATION &&
1667 		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1668 		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1669 			type = types[col->usage & 0xffff];
1670 			break;
1671 		}
1672 	}
1673 
1674 	switch (hdev->bus) {
1675 	case BUS_USB:
1676 		bus = "USB";
1677 		break;
1678 	case BUS_BLUETOOTH:
1679 		bus = "BLUETOOTH";
1680 		break;
1681 	default:
1682 		bus = "<UNKNOWN>";
1683 	}
1684 
1685 	ret = device_create_file(&hdev->dev, &dev_attr_country);
1686 	if (ret)
1687 		hid_warn(hdev,
1688 			 "can't create sysfs country code attribute err: %d\n", ret);
1689 
1690 	ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1691 	if (ret)
1692 		hid_warn(hdev,
1693 			 "can't create sysfs report descriptor attribute err: %d\n", ret);
1694 
1695 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1696 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1697 		 type, hdev->name, hdev->phys);
1698 
1699 	return 0;
1700 }
1701 EXPORT_SYMBOL_GPL(hid_connect);
1702 
1703 void hid_disconnect(struct hid_device *hdev)
1704 {
1705 	device_remove_file(&hdev->dev, &dev_attr_country);
1706 	device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1707 	if (hdev->claimed & HID_CLAIMED_INPUT)
1708 		hidinput_disconnect(hdev);
1709 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1710 		hdev->hiddev_disconnect(hdev);
1711 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1712 		hidraw_disconnect(hdev);
1713 	hdev->claimed = 0;
1714 }
1715 EXPORT_SYMBOL_GPL(hid_disconnect);
1716 
1717 /*
1718  * A list of devices for which there is a specialized driver on HID bus.
1719  *
1720  * Please note that for multitouch devices (driven by hid-multitouch driver),
1721  * there is a proper autodetection and autoloading in place (based on presence
1722  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1723  * as we are doing the right thing in hid_scan_usage().
1724  *
1725  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1726  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1727  * used as a driver. See hid_scan_report().
1728  */
1729 static const struct hid_device_id hid_have_special_driver[] = {
1730 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1731 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1732 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1733 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1734 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1735 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1736 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1737 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1738 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1739 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1740 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1741 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1742 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1743 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1744 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1745 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1746 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1747 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1748 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1749 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1750 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1751 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1752 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1753 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1754 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1755 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1756 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1757 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1758 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1759 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1760 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1761 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1762 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1763 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1764 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1765 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1766 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1767 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1768 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1769 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1770 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1771 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1772 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1773 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1774 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1775 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1776 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1777 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1778 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1779 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1780 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1781 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1782 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1783 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1784 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1785 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1786 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1787 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1788 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1789 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1790 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1791 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1792 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1793 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1794 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1795 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1796 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1797 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1798 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1799 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1800 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1801 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1802 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1803 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1804 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1805 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1806 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1807 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1808 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1809 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1810 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1811 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1812 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1813 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1814 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1815 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1816 	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1817 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1818 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1819 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1820 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1821 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1822 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1823 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1824 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1825 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1826 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1827 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1828 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1829 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1830 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1831 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1832 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1833 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1834 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1835 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1836 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1837 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1838 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1839 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1840 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1841 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1842 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1843 	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1844 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1845 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1846 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1847 	{ HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1848 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1849 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1850 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1851 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1852 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1853 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1854 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1855 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1856 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1857 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1858 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1859 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1860 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1861 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1862 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1863 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1864 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1865 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1866 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1867 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1868 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1869 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1870 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1871 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1872 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1873 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1874 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1875 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1876 	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1877 #if IS_ENABLED(CONFIG_HID_LENOVO)
1878 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1879 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1880 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1881 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1882 #endif
1883 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1884 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1885 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1886 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1887 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1888 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1889 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1890 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1891 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1892 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1893 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1894 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1895 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1896 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1897 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1898 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1899 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1900 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1901 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1902 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1903 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1904 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1905 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1906 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1907 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1908 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1909 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1910 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1911 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1912 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1913 #endif
1914 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1915 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1916 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1917 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1918 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1919 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1920 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1921 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1922 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1923 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1924 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1925 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1926 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1927 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1928 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1929 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1930 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
1931 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
1932 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1933 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1934 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1935 	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1936 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1937 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1938 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1939 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1940 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1941 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1942 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1943 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1944 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1945 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1946 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1947 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1948 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1949 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1950 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1951 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1952 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1953 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1954 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1955 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1956 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1957 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1958 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1959 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1960 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1961 #if IS_ENABLED(CONFIG_HID_ROCCAT)
1962 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1963 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1964 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1965 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1966 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1967 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1968 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1969 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1970 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1971 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1972 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1973 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1974 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1975 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1976 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1977 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1978 #endif
1979 #if IS_ENABLED(CONFIG_HID_SAITEK)
1980 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1981 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1982 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1983 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1984 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1985 #endif
1986 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1987 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1988 	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1989 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
1990 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1991 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1992 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
1993 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
1994 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1995 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1996 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1997 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1998 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1999 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2000 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2001 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2002 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2003 	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2004 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2005 	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2006 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2007 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2008 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2009 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2010 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2011 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2012 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2013 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2014 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2015 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2016 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2017 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2018 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2019 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2020 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2021 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2022 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2023 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2024 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2025 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2026 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2027 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2028 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2029 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2030 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2031 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2032 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2033 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2034 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2035 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2036 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2037 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2038 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2039 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2040 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2041 	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2042 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2043 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2044 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2045 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2046 
2047 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2048 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2049 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2050 	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2051 	{ }
2052 };
2053 
2054 struct hid_dynid {
2055 	struct list_head list;
2056 	struct hid_device_id id;
2057 };
2058 
2059 /**
2060  * store_new_id - add a new HID device ID to this driver and re-probe devices
2061  * @driver: target device driver
2062  * @buf: buffer for scanning device ID data
2063  * @count: input size
2064  *
2065  * Adds a new dynamic hid device ID to this driver,
2066  * and causes the driver to probe for all devices again.
2067  */
2068 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2069 		size_t count)
2070 {
2071 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2072 	struct hid_dynid *dynid;
2073 	__u32 bus, vendor, product;
2074 	unsigned long driver_data = 0;
2075 	int ret;
2076 
2077 	ret = sscanf(buf, "%x %x %x %lx",
2078 			&bus, &vendor, &product, &driver_data);
2079 	if (ret < 3)
2080 		return -EINVAL;
2081 
2082 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2083 	if (!dynid)
2084 		return -ENOMEM;
2085 
2086 	dynid->id.bus = bus;
2087 	dynid->id.group = HID_GROUP_ANY;
2088 	dynid->id.vendor = vendor;
2089 	dynid->id.product = product;
2090 	dynid->id.driver_data = driver_data;
2091 
2092 	spin_lock(&hdrv->dyn_lock);
2093 	list_add_tail(&dynid->list, &hdrv->dyn_list);
2094 	spin_unlock(&hdrv->dyn_lock);
2095 
2096 	ret = driver_attach(&hdrv->driver);
2097 
2098 	return ret ? : count;
2099 }
2100 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2101 
2102 static void hid_free_dynids(struct hid_driver *hdrv)
2103 {
2104 	struct hid_dynid *dynid, *n;
2105 
2106 	spin_lock(&hdrv->dyn_lock);
2107 	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2108 		list_del(&dynid->list);
2109 		kfree(dynid);
2110 	}
2111 	spin_unlock(&hdrv->dyn_lock);
2112 }
2113 
2114 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2115 		struct hid_driver *hdrv)
2116 {
2117 	struct hid_dynid *dynid;
2118 
2119 	spin_lock(&hdrv->dyn_lock);
2120 	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2121 		if (hid_match_one_id(hdev, &dynid->id)) {
2122 			spin_unlock(&hdrv->dyn_lock);
2123 			return &dynid->id;
2124 		}
2125 	}
2126 	spin_unlock(&hdrv->dyn_lock);
2127 
2128 	return hid_match_id(hdev, hdrv->id_table);
2129 }
2130 
2131 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2132 {
2133 	struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2134 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2135 
2136 	return hid_match_device(hdev, hdrv) != NULL;
2137 }
2138 
2139 static int hid_device_probe(struct device *dev)
2140 {
2141 	struct hid_driver *hdrv = container_of(dev->driver,
2142 			struct hid_driver, driver);
2143 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2144 	const struct hid_device_id *id;
2145 	int ret = 0;
2146 
2147 	if (down_interruptible(&hdev->driver_lock))
2148 		return -EINTR;
2149 	if (down_interruptible(&hdev->driver_input_lock)) {
2150 		ret = -EINTR;
2151 		goto unlock_driver_lock;
2152 	}
2153 	hdev->io_started = false;
2154 
2155 	if (!hdev->driver) {
2156 		id = hid_match_device(hdev, hdrv);
2157 		if (id == NULL) {
2158 			ret = -ENODEV;
2159 			goto unlock;
2160 		}
2161 
2162 		hdev->driver = hdrv;
2163 		if (hdrv->probe) {
2164 			ret = hdrv->probe(hdev, id);
2165 		} else { /* default probe */
2166 			ret = hid_open_report(hdev);
2167 			if (!ret)
2168 				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2169 		}
2170 		if (ret) {
2171 			hid_close_report(hdev);
2172 			hdev->driver = NULL;
2173 		}
2174 	}
2175 unlock:
2176 	if (!hdev->io_started)
2177 		up(&hdev->driver_input_lock);
2178 unlock_driver_lock:
2179 	up(&hdev->driver_lock);
2180 	return ret;
2181 }
2182 
2183 static int hid_device_remove(struct device *dev)
2184 {
2185 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2186 	struct hid_driver *hdrv;
2187 	int ret = 0;
2188 
2189 	if (down_interruptible(&hdev->driver_lock))
2190 		return -EINTR;
2191 	if (down_interruptible(&hdev->driver_input_lock)) {
2192 		ret = -EINTR;
2193 		goto unlock_driver_lock;
2194 	}
2195 	hdev->io_started = false;
2196 
2197 	hdrv = hdev->driver;
2198 	if (hdrv) {
2199 		if (hdrv->remove)
2200 			hdrv->remove(hdev);
2201 		else /* default remove */
2202 			hid_hw_stop(hdev);
2203 		hid_close_report(hdev);
2204 		hdev->driver = NULL;
2205 	}
2206 
2207 	if (!hdev->io_started)
2208 		up(&hdev->driver_input_lock);
2209 unlock_driver_lock:
2210 	up(&hdev->driver_lock);
2211 	return ret;
2212 }
2213 
2214 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2215 			     char *buf)
2216 {
2217 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2218 	int len;
2219 
2220 	len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2221 		       hdev->bus, hdev->group, hdev->vendor, hdev->product);
2222 
2223 	return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2224 }
2225 static DEVICE_ATTR_RO(modalias);
2226 
2227 static struct attribute *hid_dev_attrs[] = {
2228 	&dev_attr_modalias.attr,
2229 	NULL,
2230 };
2231 ATTRIBUTE_GROUPS(hid_dev);
2232 
2233 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2234 {
2235 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2236 
2237 	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2238 			hdev->bus, hdev->vendor, hdev->product))
2239 		return -ENOMEM;
2240 
2241 	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2242 		return -ENOMEM;
2243 
2244 	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2245 		return -ENOMEM;
2246 
2247 	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2248 		return -ENOMEM;
2249 
2250 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2251 			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
2252 		return -ENOMEM;
2253 
2254 	return 0;
2255 }
2256 
2257 static struct bus_type hid_bus_type = {
2258 	.name		= "hid",
2259 	.dev_groups	= hid_dev_groups,
2260 	.match		= hid_bus_match,
2261 	.probe		= hid_device_probe,
2262 	.remove		= hid_device_remove,
2263 	.uevent		= hid_uevent,
2264 };
2265 
2266 /* a list of devices that shouldn't be handled by HID core at all */
2267 static const struct hid_device_id hid_ignore_list[] = {
2268 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2269 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2270 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2271 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2272 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2273 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2274 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2275 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2276 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2277 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2278 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2279 	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2280 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2281 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2282 	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2283 	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2284 	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2285 	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2286 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2287 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2288 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2289 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2290 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2291 	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2292 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2293 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2294 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2295 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2296 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2297 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2298 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2299 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2300 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2301 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2302 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2303 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2304 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2305 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2306 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2307 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2308 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2309 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2310 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2311 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2312 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2313 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2314 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2315 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2316 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2317 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2318 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2319 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2320 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2321 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2322 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2323 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2324 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2325 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2326 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2327 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2328 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2329 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2330 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2331 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2332 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2333 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2334 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2335 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2336 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2337 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2338 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2339 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2340 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2341 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2342 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2343 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2344 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2345 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2346 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2347 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2348 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2349 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2350 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2351 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2352 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2353 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2354 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2355 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2356 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2357 	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2358 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2359 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2360 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2361 	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2362 	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2363 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2364 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2365 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2366 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2367 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2368 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2369 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2370 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2371 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2372 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2373 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2374 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2375 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2376 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2377 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2378 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2379 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2380 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2381 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2382 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2383 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2384 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2385 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2386 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2387 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2388 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2389 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2390 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2391 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2392 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2393 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2394 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2395 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2396 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2397 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2398 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2399 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2400 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2401 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2402 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2403 	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2404 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2405 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2406 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2407 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2408 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2409 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2410 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2411 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2412 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2413 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2414 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2415 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2416 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2417 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2418 	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2419 	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2420 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2421 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2422 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2423 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2424 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2425 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2426 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2427 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2428 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2429 #endif
2430 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2431 	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2432 	{ }
2433 };
2434 
2435 /**
2436  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2437  *
2438  * There are composite devices for which we want to ignore only a certain
2439  * interface. This is a list of devices for which only the mouse interface will
2440  * be ignored. This allows a dedicated driver to take care of the interface.
2441  */
2442 static const struct hid_device_id hid_mouse_ignore_list[] = {
2443 	/* appletouch driver */
2444 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2445 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2446 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2447 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2448 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2449 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2450 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2451 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2452 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2453 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2454 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2455 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2456 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2457 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2458 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2459 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2460 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2461 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2462 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2463 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2464 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2465 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2466 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2467 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2468 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2469 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2470 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2471 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2472 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2473 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2474 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2475 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2476 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2477 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2478 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2479 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2480 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2481 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2482 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2483 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2484 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2485 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2486 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2487 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2488 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2489 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2490 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2491 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2492 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2493 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2494 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2495 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2496 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2497 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2498 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2499 	{ }
2500 };
2501 
2502 bool hid_ignore(struct hid_device *hdev)
2503 {
2504 	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2505 		return false;
2506 	if (hdev->quirks & HID_QUIRK_IGNORE)
2507 		return true;
2508 
2509 	switch (hdev->vendor) {
2510 	case USB_VENDOR_ID_CODEMERCS:
2511 		/* ignore all Code Mercenaries IOWarrior devices */
2512 		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2513 				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2514 			return true;
2515 		break;
2516 	case USB_VENDOR_ID_LOGITECH:
2517 		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2518 				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2519 			return true;
2520 		/*
2521 		 * The Keene FM transmitter USB device has the same USB ID as
2522 		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2523 		 * Check if the name is that of the Keene device.
2524 		 * For reference: the name of the AudioHub is
2525 		 * "HOLTEK  AudioHub Speaker".
2526 		 */
2527 		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2528 			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2529 				return true;
2530 		break;
2531 	case USB_VENDOR_ID_SOUNDGRAPH:
2532 		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2533 		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2534 			return true;
2535 		break;
2536 	case USB_VENDOR_ID_HANWANG:
2537 		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2538 		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2539 			return true;
2540 		break;
2541 	case USB_VENDOR_ID_JESS:
2542 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2543 				hdev->type == HID_TYPE_USBNONE)
2544 			return true;
2545 		break;
2546 	case USB_VENDOR_ID_VELLEMAN:
2547 		/* These are not HID devices.  They are handled by comedi. */
2548 		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2549 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2550 		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2551 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2552 			return true;
2553 		break;
2554 	case USB_VENDOR_ID_ATMEL_V_USB:
2555 		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2556 		 * it has the same USB ID as many Atmel V-USB devices. This
2557 		 * usb radio is handled by radio-ma901.c driver so we want
2558 		 * ignore the hid. Check the name, bus, product and ignore
2559 		 * if we have MA901 usb radio.
2560 		 */
2561 		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2562 			hdev->bus == BUS_USB &&
2563 			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2564 			return true;
2565 		break;
2566 	}
2567 
2568 	if (hdev->type == HID_TYPE_USBMOUSE &&
2569 			hid_match_id(hdev, hid_mouse_ignore_list))
2570 		return true;
2571 
2572 	return !!hid_match_id(hdev, hid_ignore_list);
2573 }
2574 EXPORT_SYMBOL_GPL(hid_ignore);
2575 
2576 int hid_add_device(struct hid_device *hdev)
2577 {
2578 	static atomic_t id = ATOMIC_INIT(0);
2579 	int ret;
2580 
2581 	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2582 		return -EBUSY;
2583 
2584 	/* we need to kill them here, otherwise they will stay allocated to
2585 	 * wait for coming driver */
2586 	if (hid_ignore(hdev))
2587 		return -ENODEV;
2588 
2589 	/*
2590 	 * Check for the mandatory transport channel.
2591 	 */
2592 	 if (!hdev->ll_driver->raw_request) {
2593 		hid_err(hdev, "transport driver missing .raw_request()\n");
2594 		return -EINVAL;
2595 	 }
2596 
2597 	/*
2598 	 * Read the device report descriptor once and use as template
2599 	 * for the driver-specific modifications.
2600 	 */
2601 	ret = hdev->ll_driver->parse(hdev);
2602 	if (ret)
2603 		return ret;
2604 	if (!hdev->dev_rdesc)
2605 		return -ENODEV;
2606 
2607 	/*
2608 	 * Scan generic devices for group information
2609 	 */
2610 	if (hid_ignore_special_drivers ||
2611 	    (!hdev->group &&
2612 	     !hid_match_id(hdev, hid_have_special_driver))) {
2613 		ret = hid_scan_report(hdev);
2614 		if (ret)
2615 			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2616 	}
2617 
2618 	/* XXX hack, any other cleaner solution after the driver core
2619 	 * is converted to allow more than 20 bytes as the device name? */
2620 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2621 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2622 
2623 	hid_debug_register(hdev, dev_name(&hdev->dev));
2624 	ret = device_add(&hdev->dev);
2625 	if (!ret)
2626 		hdev->status |= HID_STAT_ADDED;
2627 	else
2628 		hid_debug_unregister(hdev);
2629 
2630 	return ret;
2631 }
2632 EXPORT_SYMBOL_GPL(hid_add_device);
2633 
2634 /**
2635  * hid_allocate_device - allocate new hid device descriptor
2636  *
2637  * Allocate and initialize hid device, so that hid_destroy_device might be
2638  * used to free it.
2639  *
2640  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2641  * error value.
2642  */
2643 struct hid_device *hid_allocate_device(void)
2644 {
2645 	struct hid_device *hdev;
2646 	int ret = -ENOMEM;
2647 
2648 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2649 	if (hdev == NULL)
2650 		return ERR_PTR(ret);
2651 
2652 	device_initialize(&hdev->dev);
2653 	hdev->dev.release = hid_device_release;
2654 	hdev->dev.bus = &hid_bus_type;
2655 
2656 	hid_close_report(hdev);
2657 
2658 	init_waitqueue_head(&hdev->debug_wait);
2659 	INIT_LIST_HEAD(&hdev->debug_list);
2660 	spin_lock_init(&hdev->debug_list_lock);
2661 	sema_init(&hdev->driver_lock, 1);
2662 	sema_init(&hdev->driver_input_lock, 1);
2663 
2664 	return hdev;
2665 }
2666 EXPORT_SYMBOL_GPL(hid_allocate_device);
2667 
2668 static void hid_remove_device(struct hid_device *hdev)
2669 {
2670 	if (hdev->status & HID_STAT_ADDED) {
2671 		device_del(&hdev->dev);
2672 		hid_debug_unregister(hdev);
2673 		hdev->status &= ~HID_STAT_ADDED;
2674 	}
2675 	kfree(hdev->dev_rdesc);
2676 	hdev->dev_rdesc = NULL;
2677 	hdev->dev_rsize = 0;
2678 }
2679 
2680 /**
2681  * hid_destroy_device - free previously allocated device
2682  *
2683  * @hdev: hid device
2684  *
2685  * If you allocate hid_device through hid_allocate_device, you should ever
2686  * free by this function.
2687  */
2688 void hid_destroy_device(struct hid_device *hdev)
2689 {
2690 	hid_remove_device(hdev);
2691 	put_device(&hdev->dev);
2692 }
2693 EXPORT_SYMBOL_GPL(hid_destroy_device);
2694 
2695 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2696 		const char *mod_name)
2697 {
2698 	int ret;
2699 
2700 	hdrv->driver.name = hdrv->name;
2701 	hdrv->driver.bus = &hid_bus_type;
2702 	hdrv->driver.owner = owner;
2703 	hdrv->driver.mod_name = mod_name;
2704 
2705 	INIT_LIST_HEAD(&hdrv->dyn_list);
2706 	spin_lock_init(&hdrv->dyn_lock);
2707 
2708 	ret = driver_register(&hdrv->driver);
2709 	if (ret)
2710 		return ret;
2711 
2712 	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2713 	if (ret)
2714 		driver_unregister(&hdrv->driver);
2715 
2716 	return ret;
2717 }
2718 EXPORT_SYMBOL_GPL(__hid_register_driver);
2719 
2720 void hid_unregister_driver(struct hid_driver *hdrv)
2721 {
2722 	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2723 	driver_unregister(&hdrv->driver);
2724 	hid_free_dynids(hdrv);
2725 }
2726 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2727 
2728 int hid_check_keys_pressed(struct hid_device *hid)
2729 {
2730 	struct hid_input *hidinput;
2731 	int i;
2732 
2733 	if (!(hid->claimed & HID_CLAIMED_INPUT))
2734 		return 0;
2735 
2736 	list_for_each_entry(hidinput, &hid->inputs, list) {
2737 		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2738 			if (hidinput->input->key[i])
2739 				return 1;
2740 	}
2741 
2742 	return 0;
2743 }
2744 
2745 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2746 
2747 static int __init hid_init(void)
2748 {
2749 	int ret;
2750 
2751 	if (hid_debug)
2752 		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2753 			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2754 
2755 	ret = bus_register(&hid_bus_type);
2756 	if (ret) {
2757 		pr_err("can't register hid bus\n");
2758 		goto err;
2759 	}
2760 
2761 	ret = hidraw_init();
2762 	if (ret)
2763 		goto err_bus;
2764 
2765 	hid_debug_init();
2766 
2767 	return 0;
2768 err_bus:
2769 	bus_unregister(&hid_bus_type);
2770 err:
2771 	return ret;
2772 }
2773 
2774 static void __exit hid_exit(void)
2775 {
2776 	hid_debug_exit();
2777 	hidraw_exit();
2778 	bus_unregister(&hid_bus_type);
2779 }
2780 
2781 module_init(hid_init);
2782 module_exit(hid_exit);
2783 
2784 MODULE_AUTHOR("Andreas Gal");
2785 MODULE_AUTHOR("Vojtech Pavlik");
2786 MODULE_AUTHOR("Jiri Kosina");
2787 MODULE_LICENSE(DRIVER_LICENSE);
2788 
2789