xref: /openbmc/linux/drivers/hid/hid-core.c (revision cd4d09ec)
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 = to_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_2 ||
729 	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
730 	     hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
731 	     hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
732 	    hid->group == HID_GROUP_MULTITOUCH)
733 		hid->group = HID_GROUP_GENERIC;
734 
735 	if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
736 		for (i = 0; i < parser->local.usage_index; i++)
737 			if (parser->local.usage[i] == HID_GD_POINTER)
738 				parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
739 
740 	if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
741 		parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
742 }
743 
744 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
745 {
746 	__u32 data;
747 	int i;
748 
749 	data = item_udata(item);
750 
751 	switch (item->tag) {
752 	case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
753 		hid_scan_collection(parser, data & 0xff);
754 		break;
755 	case HID_MAIN_ITEM_TAG_END_COLLECTION:
756 		break;
757 	case HID_MAIN_ITEM_TAG_INPUT:
758 		/* ignore constant inputs, they will be ignored by hid-input */
759 		if (data & HID_MAIN_ITEM_CONSTANT)
760 			break;
761 		for (i = 0; i < parser->local.usage_index; i++)
762 			hid_scan_input_usage(parser, parser->local.usage[i]);
763 		break;
764 	case HID_MAIN_ITEM_TAG_OUTPUT:
765 		break;
766 	case HID_MAIN_ITEM_TAG_FEATURE:
767 		for (i = 0; i < parser->local.usage_index; i++)
768 			hid_scan_feature_usage(parser, parser->local.usage[i]);
769 		break;
770 	}
771 
772 	/* Reset the local parser environment */
773 	memset(&parser->local, 0, sizeof(parser->local));
774 
775 	return 0;
776 }
777 
778 /*
779  * Scan a report descriptor before the device is added to the bus.
780  * Sets device groups and other properties that determine what driver
781  * to load.
782  */
783 static int hid_scan_report(struct hid_device *hid)
784 {
785 	struct hid_parser *parser;
786 	struct hid_item item;
787 	__u8 *start = hid->dev_rdesc;
788 	__u8 *end = start + hid->dev_rsize;
789 	static int (*dispatch_type[])(struct hid_parser *parser,
790 				      struct hid_item *item) = {
791 		hid_scan_main,
792 		hid_parser_global,
793 		hid_parser_local,
794 		hid_parser_reserved
795 	};
796 
797 	parser = vzalloc(sizeof(struct hid_parser));
798 	if (!parser)
799 		return -ENOMEM;
800 
801 	parser->device = hid;
802 	hid->group = HID_GROUP_GENERIC;
803 
804 	/*
805 	 * The parsing is simpler than the one in hid_open_report() as we should
806 	 * be robust against hid errors. Those errors will be raised by
807 	 * hid_open_report() anyway.
808 	 */
809 	while ((start = fetch_item(start, end, &item)) != NULL)
810 		dispatch_type[item.type](parser, &item);
811 
812 	/*
813 	 * Handle special flags set during scanning.
814 	 */
815 	if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
816 	    (hid->group == HID_GROUP_MULTITOUCH))
817 		hid->group = HID_GROUP_MULTITOUCH_WIN_8;
818 
819 	/*
820 	 * Vendor specific handlings
821 	 */
822 	switch (hid->vendor) {
823 	case USB_VENDOR_ID_WACOM:
824 		hid->group = HID_GROUP_WACOM;
825 		break;
826 	case USB_VENDOR_ID_SYNAPTICS:
827 		if (hid->group == HID_GROUP_GENERIC)
828 			if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
829 			    && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
830 				/*
831 				 * hid-rmi should take care of them,
832 				 * not hid-generic
833 				 */
834 				hid->group = HID_GROUP_RMI;
835 		break;
836 	}
837 
838 	vfree(parser);
839 	return 0;
840 }
841 
842 /**
843  * hid_parse_report - parse device report
844  *
845  * @device: hid device
846  * @start: report start
847  * @size: report size
848  *
849  * Allocate the device report as read by the bus driver. This function should
850  * only be called from parse() in ll drivers.
851  */
852 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
853 {
854 	hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
855 	if (!hid->dev_rdesc)
856 		return -ENOMEM;
857 	hid->dev_rsize = size;
858 	return 0;
859 }
860 EXPORT_SYMBOL_GPL(hid_parse_report);
861 
862 static const char * const hid_report_names[] = {
863 	"HID_INPUT_REPORT",
864 	"HID_OUTPUT_REPORT",
865 	"HID_FEATURE_REPORT",
866 };
867 /**
868  * hid_validate_values - validate existing device report's value indexes
869  *
870  * @device: hid device
871  * @type: which report type to examine
872  * @id: which report ID to examine (0 for first)
873  * @field_index: which report field to examine
874  * @report_counts: expected number of values
875  *
876  * Validate the number of values in a given field of a given report, after
877  * parsing.
878  */
879 struct hid_report *hid_validate_values(struct hid_device *hid,
880 				       unsigned int type, unsigned int id,
881 				       unsigned int field_index,
882 				       unsigned int report_counts)
883 {
884 	struct hid_report *report;
885 
886 	if (type > HID_FEATURE_REPORT) {
887 		hid_err(hid, "invalid HID report type %u\n", type);
888 		return NULL;
889 	}
890 
891 	if (id >= HID_MAX_IDS) {
892 		hid_err(hid, "invalid HID report id %u\n", id);
893 		return NULL;
894 	}
895 
896 	/*
897 	 * Explicitly not using hid_get_report() here since it depends on
898 	 * ->numbered being checked, which may not always be the case when
899 	 * drivers go to access report values.
900 	 */
901 	if (id == 0) {
902 		/*
903 		 * Validating on id 0 means we should examine the first
904 		 * report in the list.
905 		 */
906 		report = list_entry(
907 				hid->report_enum[type].report_list.next,
908 				struct hid_report, list);
909 	} else {
910 		report = hid->report_enum[type].report_id_hash[id];
911 	}
912 	if (!report) {
913 		hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
914 		return NULL;
915 	}
916 	if (report->maxfield <= field_index) {
917 		hid_err(hid, "not enough fields in %s %u\n",
918 			hid_report_names[type], id);
919 		return NULL;
920 	}
921 	if (report->field[field_index]->report_count < report_counts) {
922 		hid_err(hid, "not enough values in %s %u field %u\n",
923 			hid_report_names[type], id, field_index);
924 		return NULL;
925 	}
926 	return report;
927 }
928 EXPORT_SYMBOL_GPL(hid_validate_values);
929 
930 /**
931  * hid_open_report - open a driver-specific device report
932  *
933  * @device: hid device
934  *
935  * Parse a report description into a hid_device structure. Reports are
936  * enumerated, fields are attached to these reports.
937  * 0 returned on success, otherwise nonzero error value.
938  *
939  * This function (or the equivalent hid_parse() macro) should only be
940  * called from probe() in drivers, before starting the device.
941  */
942 int hid_open_report(struct hid_device *device)
943 {
944 	struct hid_parser *parser;
945 	struct hid_item item;
946 	unsigned int size;
947 	__u8 *start;
948 	__u8 *buf;
949 	__u8 *end;
950 	int ret;
951 	static int (*dispatch_type[])(struct hid_parser *parser,
952 				      struct hid_item *item) = {
953 		hid_parser_main,
954 		hid_parser_global,
955 		hid_parser_local,
956 		hid_parser_reserved
957 	};
958 
959 	if (WARN_ON(device->status & HID_STAT_PARSED))
960 		return -EBUSY;
961 
962 	start = device->dev_rdesc;
963 	if (WARN_ON(!start))
964 		return -ENODEV;
965 	size = device->dev_rsize;
966 
967 	buf = kmemdup(start, size, GFP_KERNEL);
968 	if (buf == NULL)
969 		return -ENOMEM;
970 
971 	if (device->driver->report_fixup)
972 		start = device->driver->report_fixup(device, buf, &size);
973 	else
974 		start = buf;
975 
976 	start = kmemdup(start, size, GFP_KERNEL);
977 	kfree(buf);
978 	if (start == NULL)
979 		return -ENOMEM;
980 
981 	device->rdesc = start;
982 	device->rsize = size;
983 
984 	parser = vzalloc(sizeof(struct hid_parser));
985 	if (!parser) {
986 		ret = -ENOMEM;
987 		goto err;
988 	}
989 
990 	parser->device = device;
991 
992 	end = start + size;
993 
994 	device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
995 				     sizeof(struct hid_collection), GFP_KERNEL);
996 	if (!device->collection) {
997 		ret = -ENOMEM;
998 		goto err;
999 	}
1000 	device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1001 
1002 	ret = -EINVAL;
1003 	while ((start = fetch_item(start, end, &item)) != NULL) {
1004 
1005 		if (item.format != HID_ITEM_FORMAT_SHORT) {
1006 			hid_err(device, "unexpected long global item\n");
1007 			goto err;
1008 		}
1009 
1010 		if (dispatch_type[item.type](parser, &item)) {
1011 			hid_err(device, "item %u %u %u %u parsing failed\n",
1012 				item.format, (unsigned)item.size,
1013 				(unsigned)item.type, (unsigned)item.tag);
1014 			goto err;
1015 		}
1016 
1017 		if (start == end) {
1018 			if (parser->collection_stack_ptr) {
1019 				hid_err(device, "unbalanced collection at end of report description\n");
1020 				goto err;
1021 			}
1022 			if (parser->local.delimiter_depth) {
1023 				hid_err(device, "unbalanced delimiter at end of report description\n");
1024 				goto err;
1025 			}
1026 			vfree(parser);
1027 			device->status |= HID_STAT_PARSED;
1028 			return 0;
1029 		}
1030 	}
1031 
1032 	hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1033 err:
1034 	vfree(parser);
1035 	hid_close_report(device);
1036 	return ret;
1037 }
1038 EXPORT_SYMBOL_GPL(hid_open_report);
1039 
1040 /*
1041  * Convert a signed n-bit integer to signed 32-bit integer. Common
1042  * cases are done through the compiler, the screwed things has to be
1043  * done by hand.
1044  */
1045 
1046 static s32 snto32(__u32 value, unsigned n)
1047 {
1048 	switch (n) {
1049 	case 8:  return ((__s8)value);
1050 	case 16: return ((__s16)value);
1051 	case 32: return ((__s32)value);
1052 	}
1053 	return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1054 }
1055 
1056 s32 hid_snto32(__u32 value, unsigned n)
1057 {
1058 	return snto32(value, n);
1059 }
1060 EXPORT_SYMBOL_GPL(hid_snto32);
1061 
1062 /*
1063  * Convert a signed 32-bit integer to a signed n-bit integer.
1064  */
1065 
1066 static u32 s32ton(__s32 value, unsigned n)
1067 {
1068 	s32 a = value >> (n - 1);
1069 	if (a && a != -1)
1070 		return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1071 	return value & ((1 << n) - 1);
1072 }
1073 
1074 /*
1075  * Extract/implement a data field from/to a little endian report (bit array).
1076  *
1077  * Code sort-of follows HID spec:
1078  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1079  *
1080  * While the USB HID spec allows unlimited length bit fields in "report
1081  * descriptors", most devices never use more than 16 bits.
1082  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1083  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1084  */
1085 
1086 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
1087 		     unsigned offset, unsigned n)
1088 {
1089 	u64 x;
1090 
1091 	if (n > 32)
1092 		hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1093 			 n, current->comm);
1094 
1095 	report += offset >> 3;  /* adjust byte index */
1096 	offset &= 7;            /* now only need bit offset into one byte */
1097 	x = get_unaligned_le64(report);
1098 	x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1099 	return (u32) x;
1100 }
1101 EXPORT_SYMBOL_GPL(hid_field_extract);
1102 
1103 /*
1104  * "implement" : set bits in a little endian bit stream.
1105  * Same concepts as "extract" (see comments above).
1106  * The data mangled in the bit stream remains in little endian
1107  * order the whole time. It make more sense to talk about
1108  * endianness of register values by considering a register
1109  * a "cached" copy of the little endiad bit stream.
1110  */
1111 static void implement(const struct hid_device *hid, __u8 *report,
1112 		      unsigned offset, unsigned n, __u32 value)
1113 {
1114 	u64 x;
1115 	u64 m = (1ULL << n) - 1;
1116 
1117 	if (n > 32)
1118 		hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1119 			 __func__, n, current->comm);
1120 
1121 	if (value > m)
1122 		hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1123 			 __func__, value, current->comm);
1124 	WARN_ON(value > m);
1125 	value &= m;
1126 
1127 	report += offset >> 3;
1128 	offset &= 7;
1129 
1130 	x = get_unaligned_le64(report);
1131 	x &= ~(m << offset);
1132 	x |= ((u64)value) << offset;
1133 	put_unaligned_le64(x, report);
1134 }
1135 
1136 /*
1137  * Search an array for a value.
1138  */
1139 
1140 static int search(__s32 *array, __s32 value, unsigned n)
1141 {
1142 	while (n--) {
1143 		if (*array++ == value)
1144 			return 0;
1145 	}
1146 	return -1;
1147 }
1148 
1149 /**
1150  * hid_match_report - check if driver's raw_event should be called
1151  *
1152  * @hid: hid device
1153  * @report_type: type to match against
1154  *
1155  * compare hid->driver->report_table->report_type to report->type
1156  */
1157 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1158 {
1159 	const struct hid_report_id *id = hid->driver->report_table;
1160 
1161 	if (!id) /* NULL means all */
1162 		return 1;
1163 
1164 	for (; id->report_type != HID_TERMINATOR; id++)
1165 		if (id->report_type == HID_ANY_ID ||
1166 				id->report_type == report->type)
1167 			return 1;
1168 	return 0;
1169 }
1170 
1171 /**
1172  * hid_match_usage - check if driver's event should be called
1173  *
1174  * @hid: hid device
1175  * @usage: usage to match against
1176  *
1177  * compare hid->driver->usage_table->usage_{type,code} to
1178  * usage->usage_{type,code}
1179  */
1180 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1181 {
1182 	const struct hid_usage_id *id = hid->driver->usage_table;
1183 
1184 	if (!id) /* NULL means all */
1185 		return 1;
1186 
1187 	for (; id->usage_type != HID_ANY_ID - 1; id++)
1188 		if ((id->usage_hid == HID_ANY_ID ||
1189 				id->usage_hid == usage->hid) &&
1190 				(id->usage_type == HID_ANY_ID ||
1191 				id->usage_type == usage->type) &&
1192 				(id->usage_code == HID_ANY_ID ||
1193 				 id->usage_code == usage->code))
1194 			return 1;
1195 	return 0;
1196 }
1197 
1198 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1199 		struct hid_usage *usage, __s32 value, int interrupt)
1200 {
1201 	struct hid_driver *hdrv = hid->driver;
1202 	int ret;
1203 
1204 	if (!list_empty(&hid->debug_list))
1205 		hid_dump_input(hid, usage, value);
1206 
1207 	if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1208 		ret = hdrv->event(hid, field, usage, value);
1209 		if (ret != 0) {
1210 			if (ret < 0)
1211 				hid_err(hid, "%s's event failed with %d\n",
1212 						hdrv->name, ret);
1213 			return;
1214 		}
1215 	}
1216 
1217 	if (hid->claimed & HID_CLAIMED_INPUT)
1218 		hidinput_hid_event(hid, field, usage, value);
1219 	if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1220 		hid->hiddev_hid_event(hid, field, usage, value);
1221 }
1222 
1223 /*
1224  * Analyse a received field, and fetch the data from it. The field
1225  * content is stored for next report processing (we do differential
1226  * reporting to the layer).
1227  */
1228 
1229 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1230 			    __u8 *data, int interrupt)
1231 {
1232 	unsigned n;
1233 	unsigned count = field->report_count;
1234 	unsigned offset = field->report_offset;
1235 	unsigned size = field->report_size;
1236 	__s32 min = field->logical_minimum;
1237 	__s32 max = field->logical_maximum;
1238 	__s32 *value;
1239 
1240 	value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1241 	if (!value)
1242 		return;
1243 
1244 	for (n = 0; n < count; n++) {
1245 
1246 		value[n] = min < 0 ?
1247 			snto32(hid_field_extract(hid, data, offset + n * size,
1248 			       size), size) :
1249 			hid_field_extract(hid, data, offset + n * size, size);
1250 
1251 		/* Ignore report if ErrorRollOver */
1252 		if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1253 		    value[n] >= min && value[n] <= max &&
1254 		    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1255 			goto exit;
1256 	}
1257 
1258 	for (n = 0; n < count; n++) {
1259 
1260 		if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1261 			hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1262 			continue;
1263 		}
1264 
1265 		if (field->value[n] >= min && field->value[n] <= max
1266 			&& field->usage[field->value[n] - min].hid
1267 			&& search(value, field->value[n], count))
1268 				hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1269 
1270 		if (value[n] >= min && value[n] <= max
1271 			&& field->usage[value[n] - min].hid
1272 			&& search(field->value, value[n], count))
1273 				hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1274 	}
1275 
1276 	memcpy(field->value, value, count * sizeof(__s32));
1277 exit:
1278 	kfree(value);
1279 }
1280 
1281 /*
1282  * Output the field into the report.
1283  */
1284 
1285 static void hid_output_field(const struct hid_device *hid,
1286 			     struct hid_field *field, __u8 *data)
1287 {
1288 	unsigned count = field->report_count;
1289 	unsigned offset = field->report_offset;
1290 	unsigned size = field->report_size;
1291 	unsigned n;
1292 
1293 	for (n = 0; n < count; n++) {
1294 		if (field->logical_minimum < 0)	/* signed values */
1295 			implement(hid, data, offset + n * size, size,
1296 				  s32ton(field->value[n], size));
1297 		else				/* unsigned values */
1298 			implement(hid, data, offset + n * size, size,
1299 				  field->value[n]);
1300 	}
1301 }
1302 
1303 /*
1304  * Create a report. 'data' has to be allocated using
1305  * hid_alloc_report_buf() so that it has proper size.
1306  */
1307 
1308 void hid_output_report(struct hid_report *report, __u8 *data)
1309 {
1310 	unsigned n;
1311 
1312 	if (report->id > 0)
1313 		*data++ = report->id;
1314 
1315 	memset(data, 0, ((report->size - 1) >> 3) + 1);
1316 	for (n = 0; n < report->maxfield; n++)
1317 		hid_output_field(report->device, report->field[n], data);
1318 }
1319 EXPORT_SYMBOL_GPL(hid_output_report);
1320 
1321 /*
1322  * Allocator for buffer that is going to be passed to hid_output_report()
1323  */
1324 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1325 {
1326 	/*
1327 	 * 7 extra bytes are necessary to achieve proper functionality
1328 	 * of implement() working on 8 byte chunks
1329 	 */
1330 
1331 	int len = hid_report_len(report) + 7;
1332 
1333 	return kmalloc(len, flags);
1334 }
1335 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1336 
1337 /*
1338  * Set a field value. The report this field belongs to has to be
1339  * created and transferred to the device, to set this value in the
1340  * device.
1341  */
1342 
1343 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1344 {
1345 	unsigned size;
1346 
1347 	if (!field)
1348 		return -1;
1349 
1350 	size = field->report_size;
1351 
1352 	hid_dump_input(field->report->device, field->usage + offset, value);
1353 
1354 	if (offset >= field->report_count) {
1355 		hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1356 				offset, field->report_count);
1357 		return -1;
1358 	}
1359 	if (field->logical_minimum < 0) {
1360 		if (value != snto32(s32ton(value, size), size)) {
1361 			hid_err(field->report->device, "value %d is out of range\n", value);
1362 			return -1;
1363 		}
1364 	}
1365 	field->value[offset] = value;
1366 	return 0;
1367 }
1368 EXPORT_SYMBOL_GPL(hid_set_field);
1369 
1370 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1371 		const u8 *data)
1372 {
1373 	struct hid_report *report;
1374 	unsigned int n = 0;	/* Normally report number is 0 */
1375 
1376 	/* Device uses numbered reports, data[0] is report number */
1377 	if (report_enum->numbered)
1378 		n = *data;
1379 
1380 	report = report_enum->report_id_hash[n];
1381 	if (report == NULL)
1382 		dbg_hid("undefined report_id %u received\n", n);
1383 
1384 	return report;
1385 }
1386 
1387 /*
1388  * Implement a generic .request() callback, using .raw_request()
1389  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1390  */
1391 void __hid_request(struct hid_device *hid, struct hid_report *report,
1392 		int reqtype)
1393 {
1394 	char *buf;
1395 	int ret;
1396 	int len;
1397 
1398 	buf = hid_alloc_report_buf(report, GFP_KERNEL);
1399 	if (!buf)
1400 		return;
1401 
1402 	len = hid_report_len(report);
1403 
1404 	if (reqtype == HID_REQ_SET_REPORT)
1405 		hid_output_report(report, buf);
1406 
1407 	ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1408 					  report->type, reqtype);
1409 	if (ret < 0) {
1410 		dbg_hid("unable to complete request: %d\n", ret);
1411 		goto out;
1412 	}
1413 
1414 	if (reqtype == HID_REQ_GET_REPORT)
1415 		hid_input_report(hid, report->type, buf, ret, 0);
1416 
1417 out:
1418 	kfree(buf);
1419 }
1420 EXPORT_SYMBOL_GPL(__hid_request);
1421 
1422 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1423 		int interrupt)
1424 {
1425 	struct hid_report_enum *report_enum = hid->report_enum + type;
1426 	struct hid_report *report;
1427 	struct hid_driver *hdrv;
1428 	unsigned int a;
1429 	int rsize, csize = size;
1430 	u8 *cdata = data;
1431 	int ret = 0;
1432 
1433 	report = hid_get_report(report_enum, data);
1434 	if (!report)
1435 		goto out;
1436 
1437 	if (report_enum->numbered) {
1438 		cdata++;
1439 		csize--;
1440 	}
1441 
1442 	rsize = ((report->size - 1) >> 3) + 1;
1443 
1444 	if (rsize > HID_MAX_BUFFER_SIZE)
1445 		rsize = HID_MAX_BUFFER_SIZE;
1446 
1447 	if (csize < rsize) {
1448 		dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1449 				csize, rsize);
1450 		memset(cdata + csize, 0, rsize - csize);
1451 	}
1452 
1453 	if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1454 		hid->hiddev_report_event(hid, report);
1455 	if (hid->claimed & HID_CLAIMED_HIDRAW) {
1456 		ret = hidraw_report_event(hid, data, size);
1457 		if (ret)
1458 			goto out;
1459 	}
1460 
1461 	if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1462 		for (a = 0; a < report->maxfield; a++)
1463 			hid_input_field(hid, report->field[a], cdata, interrupt);
1464 		hdrv = hid->driver;
1465 		if (hdrv && hdrv->report)
1466 			hdrv->report(hid, report);
1467 	}
1468 
1469 	if (hid->claimed & HID_CLAIMED_INPUT)
1470 		hidinput_report_event(hid, report);
1471 out:
1472 	return ret;
1473 }
1474 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1475 
1476 /**
1477  * hid_input_report - report data from lower layer (usb, bt...)
1478  *
1479  * @hid: hid device
1480  * @type: HID report type (HID_*_REPORT)
1481  * @data: report contents
1482  * @size: size of data parameter
1483  * @interrupt: distinguish between interrupt and control transfers
1484  *
1485  * This is data entry for lower layers.
1486  */
1487 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1488 {
1489 	struct hid_report_enum *report_enum;
1490 	struct hid_driver *hdrv;
1491 	struct hid_report *report;
1492 	int ret = 0;
1493 
1494 	if (!hid)
1495 		return -ENODEV;
1496 
1497 	if (down_trylock(&hid->driver_input_lock))
1498 		return -EBUSY;
1499 
1500 	if (!hid->driver) {
1501 		ret = -ENODEV;
1502 		goto unlock;
1503 	}
1504 	report_enum = hid->report_enum + type;
1505 	hdrv = hid->driver;
1506 
1507 	if (!size) {
1508 		dbg_hid("empty report\n");
1509 		ret = -1;
1510 		goto unlock;
1511 	}
1512 
1513 	/* Avoid unnecessary overhead if debugfs is disabled */
1514 	if (!list_empty(&hid->debug_list))
1515 		hid_dump_report(hid, type, data, size);
1516 
1517 	report = hid_get_report(report_enum, data);
1518 
1519 	if (!report) {
1520 		ret = -1;
1521 		goto unlock;
1522 	}
1523 
1524 	if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1525 		ret = hdrv->raw_event(hid, report, data, size);
1526 		if (ret < 0)
1527 			goto unlock;
1528 	}
1529 
1530 	ret = hid_report_raw_event(hid, type, data, size, interrupt);
1531 
1532 unlock:
1533 	up(&hid->driver_input_lock);
1534 	return ret;
1535 }
1536 EXPORT_SYMBOL_GPL(hid_input_report);
1537 
1538 static bool hid_match_one_id(struct hid_device *hdev,
1539 		const struct hid_device_id *id)
1540 {
1541 	return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1542 		(id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1543 		(id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1544 		(id->product == HID_ANY_ID || id->product == hdev->product);
1545 }
1546 
1547 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1548 		const struct hid_device_id *id)
1549 {
1550 	for (; id->bus; id++)
1551 		if (hid_match_one_id(hdev, id))
1552 			return id;
1553 
1554 	return NULL;
1555 }
1556 
1557 static const struct hid_device_id hid_hiddev_list[] = {
1558 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1559 	{ HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1560 	{ }
1561 };
1562 
1563 static bool hid_hiddev(struct hid_device *hdev)
1564 {
1565 	return !!hid_match_id(hdev, hid_hiddev_list);
1566 }
1567 
1568 
1569 static ssize_t
1570 read_report_descriptor(struct file *filp, struct kobject *kobj,
1571 		struct bin_attribute *attr,
1572 		char *buf, loff_t off, size_t count)
1573 {
1574 	struct device *dev = kobj_to_dev(kobj);
1575 	struct hid_device *hdev = to_hid_device(dev);
1576 
1577 	if (off >= hdev->rsize)
1578 		return 0;
1579 
1580 	if (off + count > hdev->rsize)
1581 		count = hdev->rsize - off;
1582 
1583 	memcpy(buf, hdev->rdesc + off, count);
1584 
1585 	return count;
1586 }
1587 
1588 static ssize_t
1589 show_country(struct device *dev, struct device_attribute *attr,
1590 		char *buf)
1591 {
1592 	struct hid_device *hdev = to_hid_device(dev);
1593 
1594 	return sprintf(buf, "%02x\n", hdev->country & 0xff);
1595 }
1596 
1597 static struct bin_attribute dev_bin_attr_report_desc = {
1598 	.attr = { .name = "report_descriptor", .mode = 0444 },
1599 	.read = read_report_descriptor,
1600 	.size = HID_MAX_DESCRIPTOR_SIZE,
1601 };
1602 
1603 static struct device_attribute dev_attr_country = {
1604 	.attr = { .name = "country", .mode = 0444 },
1605 	.show = show_country,
1606 };
1607 
1608 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1609 {
1610 	static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1611 		"Joystick", "Gamepad", "Keyboard", "Keypad",
1612 		"Multi-Axis Controller"
1613 	};
1614 	const char *type, *bus;
1615 	char buf[64] = "";
1616 	unsigned int i;
1617 	int len;
1618 	int ret;
1619 
1620 	if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1621 		connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1622 	if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1623 		connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1624 	if (hdev->bus != BUS_USB)
1625 		connect_mask &= ~HID_CONNECT_HIDDEV;
1626 	if (hid_hiddev(hdev))
1627 		connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1628 
1629 	if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1630 				connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1631 		hdev->claimed |= HID_CLAIMED_INPUT;
1632 
1633 	if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1634 			!hdev->hiddev_connect(hdev,
1635 				connect_mask & HID_CONNECT_HIDDEV_FORCE))
1636 		hdev->claimed |= HID_CLAIMED_HIDDEV;
1637 	if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1638 		hdev->claimed |= HID_CLAIMED_HIDRAW;
1639 
1640 	if (connect_mask & HID_CONNECT_DRIVER)
1641 		hdev->claimed |= HID_CLAIMED_DRIVER;
1642 
1643 	/* Drivers with the ->raw_event callback set are not required to connect
1644 	 * to any other listener. */
1645 	if (!hdev->claimed && !hdev->driver->raw_event) {
1646 		hid_err(hdev, "device has no listeners, quitting\n");
1647 		return -ENODEV;
1648 	}
1649 
1650 	if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1651 			(connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1652 		hdev->ff_init(hdev);
1653 
1654 	len = 0;
1655 	if (hdev->claimed & HID_CLAIMED_INPUT)
1656 		len += sprintf(buf + len, "input");
1657 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1658 		len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1659 				hdev->minor);
1660 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1661 		len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1662 				((struct hidraw *)hdev->hidraw)->minor);
1663 
1664 	type = "Device";
1665 	for (i = 0; i < hdev->maxcollection; i++) {
1666 		struct hid_collection *col = &hdev->collection[i];
1667 		if (col->type == HID_COLLECTION_APPLICATION &&
1668 		   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1669 		   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1670 			type = types[col->usage & 0xffff];
1671 			break;
1672 		}
1673 	}
1674 
1675 	switch (hdev->bus) {
1676 	case BUS_USB:
1677 		bus = "USB";
1678 		break;
1679 	case BUS_BLUETOOTH:
1680 		bus = "BLUETOOTH";
1681 		break;
1682 	case BUS_I2C:
1683 		bus = "I2C";
1684 		break;
1685 	default:
1686 		bus = "<UNKNOWN>";
1687 	}
1688 
1689 	ret = device_create_file(&hdev->dev, &dev_attr_country);
1690 	if (ret)
1691 		hid_warn(hdev,
1692 			 "can't create sysfs country code attribute err: %d\n", ret);
1693 
1694 	hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1695 		 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1696 		 type, hdev->name, hdev->phys);
1697 
1698 	return 0;
1699 }
1700 EXPORT_SYMBOL_GPL(hid_connect);
1701 
1702 void hid_disconnect(struct hid_device *hdev)
1703 {
1704 	device_remove_file(&hdev->dev, &dev_attr_country);
1705 	if (hdev->claimed & HID_CLAIMED_INPUT)
1706 		hidinput_disconnect(hdev);
1707 	if (hdev->claimed & HID_CLAIMED_HIDDEV)
1708 		hdev->hiddev_disconnect(hdev);
1709 	if (hdev->claimed & HID_CLAIMED_HIDRAW)
1710 		hidraw_disconnect(hdev);
1711 	hdev->claimed = 0;
1712 }
1713 EXPORT_SYMBOL_GPL(hid_disconnect);
1714 
1715 /*
1716  * A list of devices for which there is a specialized driver on HID bus.
1717  *
1718  * Please note that for multitouch devices (driven by hid-multitouch driver),
1719  * there is a proper autodetection and autoloading in place (based on presence
1720  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1721  * as we are doing the right thing in hid_scan_usage().
1722  *
1723  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1724  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1725  * used as a driver. See hid_scan_report().
1726  */
1727 static const struct hid_device_id hid_have_special_driver[] = {
1728 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1729 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1730 	{ HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1731 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1732 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1733 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1734 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1735 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1736 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1737 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1738 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1739 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1740 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1741 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1742 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1743 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1744 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1745 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1746 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1747 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1748 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1749 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1750 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1751 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1752 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1753 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1754 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1755 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1756 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1757 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1758 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1759 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1760 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1761 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1762 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1763 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1764 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1765 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1766 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1767 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1768 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1769 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1770 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1771 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1772 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1773 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1774 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1775 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1776 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1777 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1778 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1779 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1780 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1781 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1782 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1783 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1784 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1785 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1786 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1787 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1788 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1789 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1790 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1791 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1792 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1793 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1794 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1795 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1796 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1797 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1798 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1799 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1800 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1801 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1802 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1803 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1804 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1805 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1806 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1807 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1808 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1809 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1810 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1811 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1812 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1813 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1814 	{ HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1815 	{ HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1816 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1817 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1818 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1819 	{ HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1820 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1821 	{ HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1822 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1823 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1824 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1825 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1826 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1827 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1828 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1829 	{ HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1830 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1831 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1832 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1833 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1834 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1835 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1836 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1837 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1838 	{ HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1839 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1840 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1841 	{ HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1842 	{ HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1843 	{ HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1844 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1845 	{ HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1846 	{ HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1847 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1848 	{ HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1849 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1850 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1851 	{ HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1852 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1853 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1854 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1855 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1856 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1857 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1858 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1859 	{ HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1860 	{ HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1861 	{ HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1862 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1863 	{ HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1864 	{ HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1865 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1866 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1867 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1868 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1869 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1870 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1871 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1872 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1873 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1874 	{ HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1875 	{ HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1876 #if IS_ENABLED(CONFIG_HID_LENOVO)
1877 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1878 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1879 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1880 	{ HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1881 #endif
1882 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1883 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1884 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1885 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1886 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1887 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1888 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1889 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1890 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1891 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1892 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1893 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1894 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1895 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1896 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1897 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1898 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1899 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
1900 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1901 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1902 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1903 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1904 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1905 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1906 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1907 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1908 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1909 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1910 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1911 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1912 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1913 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1914 #endif
1915 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1916 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1917 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1918 	{ HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1919 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1920 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1921 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1922 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1923 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1924 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1925 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1926 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1927 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1928 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1929 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1930 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1931 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
1932 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
1933 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
1934 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1935 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1936 	{ HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1937 	{ HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1938 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1939 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1940 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1941 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1942 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1943 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1944 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1945 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1946 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1947 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1948 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1949 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1950 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1951 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1952 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1953 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1954 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1955 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1956 	{ HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1957 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1958 	{ HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1959 	{ HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1960 	{ HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1961 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1962 	{ HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1963 #if IS_ENABLED(CONFIG_HID_ROCCAT)
1964 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1965 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1966 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1967 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1968 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1969 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1970 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1971 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1972 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1973 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1974 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1975 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1976 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1977 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1978 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1979 	{ HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1980 #endif
1981 #if IS_ENABLED(CONFIG_HID_SAITEK)
1982 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1983 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1984 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1985 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1986 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
1987 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1988 #endif
1989 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1990 	{ HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1991 	{ HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1992 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
1993 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1994 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1995 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
1996 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
1997 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1998 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1999 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2000 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2001 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2002 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2003 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2004 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2005 	{ HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2006 	{ HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2007 	{ HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2008 	{ HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2009 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2010 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2011 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2012 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2013 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2014 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2015 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2016 	{ HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2017 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2018 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2019 	{ HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2020 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2021 	{ HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2022 	{ HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2023 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2024 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2025 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2026 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2027 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2028 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2029 	{ HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2030 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2031 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2032 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2033 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2034 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2035 	{ HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2036 	{ HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2037 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2038 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2039 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2040 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2041 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2042 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2043 	{ HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2044 	{ HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2045 	{ HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2046 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2047 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2048 	{ HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2049 
2050 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2051 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2052 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2053 	{ HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2054 	{ }
2055 };
2056 
2057 struct hid_dynid {
2058 	struct list_head list;
2059 	struct hid_device_id id;
2060 };
2061 
2062 /**
2063  * store_new_id - add a new HID device ID to this driver and re-probe devices
2064  * @driver: target device driver
2065  * @buf: buffer for scanning device ID data
2066  * @count: input size
2067  *
2068  * Adds a new dynamic hid device ID to this driver,
2069  * and causes the driver to probe for all devices again.
2070  */
2071 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2072 		size_t count)
2073 {
2074 	struct hid_driver *hdrv = to_hid_driver(drv);
2075 	struct hid_dynid *dynid;
2076 	__u32 bus, vendor, product;
2077 	unsigned long driver_data = 0;
2078 	int ret;
2079 
2080 	ret = sscanf(buf, "%x %x %x %lx",
2081 			&bus, &vendor, &product, &driver_data);
2082 	if (ret < 3)
2083 		return -EINVAL;
2084 
2085 	dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2086 	if (!dynid)
2087 		return -ENOMEM;
2088 
2089 	dynid->id.bus = bus;
2090 	dynid->id.group = HID_GROUP_ANY;
2091 	dynid->id.vendor = vendor;
2092 	dynid->id.product = product;
2093 	dynid->id.driver_data = driver_data;
2094 
2095 	spin_lock(&hdrv->dyn_lock);
2096 	list_add_tail(&dynid->list, &hdrv->dyn_list);
2097 	spin_unlock(&hdrv->dyn_lock);
2098 
2099 	ret = driver_attach(&hdrv->driver);
2100 
2101 	return ret ? : count;
2102 }
2103 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2104 
2105 static void hid_free_dynids(struct hid_driver *hdrv)
2106 {
2107 	struct hid_dynid *dynid, *n;
2108 
2109 	spin_lock(&hdrv->dyn_lock);
2110 	list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2111 		list_del(&dynid->list);
2112 		kfree(dynid);
2113 	}
2114 	spin_unlock(&hdrv->dyn_lock);
2115 }
2116 
2117 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2118 		struct hid_driver *hdrv)
2119 {
2120 	struct hid_dynid *dynid;
2121 
2122 	spin_lock(&hdrv->dyn_lock);
2123 	list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2124 		if (hid_match_one_id(hdev, &dynid->id)) {
2125 			spin_unlock(&hdrv->dyn_lock);
2126 			return &dynid->id;
2127 		}
2128 	}
2129 	spin_unlock(&hdrv->dyn_lock);
2130 
2131 	return hid_match_id(hdev, hdrv->id_table);
2132 }
2133 
2134 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2135 {
2136 	struct hid_driver *hdrv = to_hid_driver(drv);
2137 	struct hid_device *hdev = to_hid_device(dev);
2138 
2139 	return hid_match_device(hdev, hdrv) != NULL;
2140 }
2141 
2142 static int hid_device_probe(struct device *dev)
2143 {
2144 	struct hid_driver *hdrv = to_hid_driver(dev->driver);
2145 	struct hid_device *hdev = to_hid_device(dev);
2146 	const struct hid_device_id *id;
2147 	int ret = 0;
2148 
2149 	if (down_interruptible(&hdev->driver_lock))
2150 		return -EINTR;
2151 	if (down_interruptible(&hdev->driver_input_lock)) {
2152 		ret = -EINTR;
2153 		goto unlock_driver_lock;
2154 	}
2155 	hdev->io_started = false;
2156 
2157 	if (!hdev->driver) {
2158 		id = hid_match_device(hdev, hdrv);
2159 		if (id == NULL) {
2160 			ret = -ENODEV;
2161 			goto unlock;
2162 		}
2163 
2164 		hdev->driver = hdrv;
2165 		if (hdrv->probe) {
2166 			ret = hdrv->probe(hdev, id);
2167 		} else { /* default probe */
2168 			ret = hid_open_report(hdev);
2169 			if (!ret)
2170 				ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2171 		}
2172 		if (ret) {
2173 			hid_close_report(hdev);
2174 			hdev->driver = NULL;
2175 		}
2176 	}
2177 unlock:
2178 	if (!hdev->io_started)
2179 		up(&hdev->driver_input_lock);
2180 unlock_driver_lock:
2181 	up(&hdev->driver_lock);
2182 	return ret;
2183 }
2184 
2185 static int hid_device_remove(struct device *dev)
2186 {
2187 	struct hid_device *hdev = to_hid_device(dev);
2188 	struct hid_driver *hdrv;
2189 	int ret = 0;
2190 
2191 	if (down_interruptible(&hdev->driver_lock))
2192 		return -EINTR;
2193 	if (down_interruptible(&hdev->driver_input_lock)) {
2194 		ret = -EINTR;
2195 		goto unlock_driver_lock;
2196 	}
2197 	hdev->io_started = false;
2198 
2199 	hdrv = hdev->driver;
2200 	if (hdrv) {
2201 		if (hdrv->remove)
2202 			hdrv->remove(hdev);
2203 		else /* default remove */
2204 			hid_hw_stop(hdev);
2205 		hid_close_report(hdev);
2206 		hdev->driver = NULL;
2207 	}
2208 
2209 	if (!hdev->io_started)
2210 		up(&hdev->driver_input_lock);
2211 unlock_driver_lock:
2212 	up(&hdev->driver_lock);
2213 	return ret;
2214 }
2215 
2216 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2217 			     char *buf)
2218 {
2219 	struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2220 
2221 	return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2222 			 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2223 }
2224 static DEVICE_ATTR_RO(modalias);
2225 
2226 static struct attribute *hid_dev_attrs[] = {
2227 	&dev_attr_modalias.attr,
2228 	NULL,
2229 };
2230 static struct bin_attribute *hid_dev_bin_attrs[] = {
2231 	&dev_bin_attr_report_desc,
2232 	NULL
2233 };
2234 static const struct attribute_group hid_dev_group = {
2235 	.attrs = hid_dev_attrs,
2236 	.bin_attrs = hid_dev_bin_attrs,
2237 };
2238 __ATTRIBUTE_GROUPS(hid_dev);
2239 
2240 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2241 {
2242 	struct hid_device *hdev = to_hid_device(dev);
2243 
2244 	if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2245 			hdev->bus, hdev->vendor, hdev->product))
2246 		return -ENOMEM;
2247 
2248 	if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2249 		return -ENOMEM;
2250 
2251 	if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2252 		return -ENOMEM;
2253 
2254 	if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2255 		return -ENOMEM;
2256 
2257 	if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2258 			   hdev->bus, hdev->group, hdev->vendor, hdev->product))
2259 		return -ENOMEM;
2260 
2261 	return 0;
2262 }
2263 
2264 static struct bus_type hid_bus_type = {
2265 	.name		= "hid",
2266 	.dev_groups	= hid_dev_groups,
2267 	.match		= hid_bus_match,
2268 	.probe		= hid_device_probe,
2269 	.remove		= hid_device_remove,
2270 	.uevent		= hid_uevent,
2271 };
2272 
2273 /* a list of devices that shouldn't be handled by HID core at all */
2274 static const struct hid_device_id hid_ignore_list[] = {
2275 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2276 	{ HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2277 	{ HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2278 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2279 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2280 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2281 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2282 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2283 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2284 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2285 	{ HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2286 	{ HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2287 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2288 	{ HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2289 	{ HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2290 	{ HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2291 	{ HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2292 	{ HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2293 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2294 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2295 	{ HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2296 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2297 	{ HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2298 	{ HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2299 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2300 	{ HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2301 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2302 	{ HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2303 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2304 	{ HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2305 	{ HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2306 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2307 	{ HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2308 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2309 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2310 	{ HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2311 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2312 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2313 	{ HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2314 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2315 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2316 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2317 	{ HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2318 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2319 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2320 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2321 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2322 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2323 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2324 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2325 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2326 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2327 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2328 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2329 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2330 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2331 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2332 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2333 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2334 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2335 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2336 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2337 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2338 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2339 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2340 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2341 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2342 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2343 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2344 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2345 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2346 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2347 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2348 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2349 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2350 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2351 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2352 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2353 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2354 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2355 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2356 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2357 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2358 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2359 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2360 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2361 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2362 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2363 	{ HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2364 	{ HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2365 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2366 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2367 	{ HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2368 	{ HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2369 	{ HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2370 	{ HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2371 	{ HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2372 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2373 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2374 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2375 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2376 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2377 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2378 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2379 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2380 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2381 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2382 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2383 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2384 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2385 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2386 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2387 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2388 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2389 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2390 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2391 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2392 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2393 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2394 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2395 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2396 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2397 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2398 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2399 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2400 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2401 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2402 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2403 	{ HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2404 	{ HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2405 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2406 	{ HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2407 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2408 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2409 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2410 	{ HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2411 	{ HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2412 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2413 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2414 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2415 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2416 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2417 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2418 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2419 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2420 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2421 	{ HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2422 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2423 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2424 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2425 	{ HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2426 	{ HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2427 	{ HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2428 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2429 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2430 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2431 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2432 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2433 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2434 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2435 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2436 	{ HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2437 #endif
2438 	{ HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2439 	{ HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2440 	{ }
2441 };
2442 
2443 /**
2444  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2445  *
2446  * There are composite devices for which we want to ignore only a certain
2447  * interface. This is a list of devices for which only the mouse interface will
2448  * be ignored. This allows a dedicated driver to take care of the interface.
2449  */
2450 static const struct hid_device_id hid_mouse_ignore_list[] = {
2451 	/* appletouch driver */
2452 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2453 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2454 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2455 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2456 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2457 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2458 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2459 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2460 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2461 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2462 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2463 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2464 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2465 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2466 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2467 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2468 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2469 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2470 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2471 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2472 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2473 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2474 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2475 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2476 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2477 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2478 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2479 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2480 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2481 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2482 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2483 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2484 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2485 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2486 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2487 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2488 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2489 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2490 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2491 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2492 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2493 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2494 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2495 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2496 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2497 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2498 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2499 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2500 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2501 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2502 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2503 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2504 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2505 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2506 	{ HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2507 	{ }
2508 };
2509 
2510 bool hid_ignore(struct hid_device *hdev)
2511 {
2512 	if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2513 		return false;
2514 	if (hdev->quirks & HID_QUIRK_IGNORE)
2515 		return true;
2516 
2517 	switch (hdev->vendor) {
2518 	case USB_VENDOR_ID_CODEMERCS:
2519 		/* ignore all Code Mercenaries IOWarrior devices */
2520 		if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2521 				hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2522 			return true;
2523 		break;
2524 	case USB_VENDOR_ID_LOGITECH:
2525 		if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2526 				hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2527 			return true;
2528 		/*
2529 		 * The Keene FM transmitter USB device has the same USB ID as
2530 		 * the Logitech AudioHub Speaker, but it should ignore the hid.
2531 		 * Check if the name is that of the Keene device.
2532 		 * For reference: the name of the AudioHub is
2533 		 * "HOLTEK  AudioHub Speaker".
2534 		 */
2535 		if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2536 			!strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2537 				return true;
2538 		break;
2539 	case USB_VENDOR_ID_SOUNDGRAPH:
2540 		if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2541 		    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2542 			return true;
2543 		break;
2544 	case USB_VENDOR_ID_HANWANG:
2545 		if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2546 		    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2547 			return true;
2548 		break;
2549 	case USB_VENDOR_ID_JESS:
2550 		if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2551 				hdev->type == HID_TYPE_USBNONE)
2552 			return true;
2553 		break;
2554 	case USB_VENDOR_ID_VELLEMAN:
2555 		/* These are not HID devices.  They are handled by comedi. */
2556 		if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2557 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2558 		    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2559 		     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2560 			return true;
2561 		break;
2562 	case USB_VENDOR_ID_ATMEL_V_USB:
2563 		/* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2564 		 * it has the same USB ID as many Atmel V-USB devices. This
2565 		 * usb radio is handled by radio-ma901.c driver so we want
2566 		 * ignore the hid. Check the name, bus, product and ignore
2567 		 * if we have MA901 usb radio.
2568 		 */
2569 		if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2570 			hdev->bus == BUS_USB &&
2571 			strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2572 			return true;
2573 		break;
2574 	}
2575 
2576 	if (hdev->type == HID_TYPE_USBMOUSE &&
2577 			hid_match_id(hdev, hid_mouse_ignore_list))
2578 		return true;
2579 
2580 	return !!hid_match_id(hdev, hid_ignore_list);
2581 }
2582 EXPORT_SYMBOL_GPL(hid_ignore);
2583 
2584 int hid_add_device(struct hid_device *hdev)
2585 {
2586 	static atomic_t id = ATOMIC_INIT(0);
2587 	int ret;
2588 
2589 	if (WARN_ON(hdev->status & HID_STAT_ADDED))
2590 		return -EBUSY;
2591 
2592 	/* we need to kill them here, otherwise they will stay allocated to
2593 	 * wait for coming driver */
2594 	if (hid_ignore(hdev))
2595 		return -ENODEV;
2596 
2597 	/*
2598 	 * Check for the mandatory transport channel.
2599 	 */
2600 	 if (!hdev->ll_driver->raw_request) {
2601 		hid_err(hdev, "transport driver missing .raw_request()\n");
2602 		return -EINVAL;
2603 	 }
2604 
2605 	/*
2606 	 * Read the device report descriptor once and use as template
2607 	 * for the driver-specific modifications.
2608 	 */
2609 	ret = hdev->ll_driver->parse(hdev);
2610 	if (ret)
2611 		return ret;
2612 	if (!hdev->dev_rdesc)
2613 		return -ENODEV;
2614 
2615 	/*
2616 	 * Scan generic devices for group information
2617 	 */
2618 	if (hid_ignore_special_drivers ||
2619 	    (!hdev->group &&
2620 	     !hid_match_id(hdev, hid_have_special_driver))) {
2621 		ret = hid_scan_report(hdev);
2622 		if (ret)
2623 			hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2624 	}
2625 
2626 	/* XXX hack, any other cleaner solution after the driver core
2627 	 * is converted to allow more than 20 bytes as the device name? */
2628 	dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2629 		     hdev->vendor, hdev->product, atomic_inc_return(&id));
2630 
2631 	hid_debug_register(hdev, dev_name(&hdev->dev));
2632 	ret = device_add(&hdev->dev);
2633 	if (!ret)
2634 		hdev->status |= HID_STAT_ADDED;
2635 	else
2636 		hid_debug_unregister(hdev);
2637 
2638 	return ret;
2639 }
2640 EXPORT_SYMBOL_GPL(hid_add_device);
2641 
2642 /**
2643  * hid_allocate_device - allocate new hid device descriptor
2644  *
2645  * Allocate and initialize hid device, so that hid_destroy_device might be
2646  * used to free it.
2647  *
2648  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2649  * error value.
2650  */
2651 struct hid_device *hid_allocate_device(void)
2652 {
2653 	struct hid_device *hdev;
2654 	int ret = -ENOMEM;
2655 
2656 	hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2657 	if (hdev == NULL)
2658 		return ERR_PTR(ret);
2659 
2660 	device_initialize(&hdev->dev);
2661 	hdev->dev.release = hid_device_release;
2662 	hdev->dev.bus = &hid_bus_type;
2663 	device_enable_async_suspend(&hdev->dev);
2664 
2665 	hid_close_report(hdev);
2666 
2667 	init_waitqueue_head(&hdev->debug_wait);
2668 	INIT_LIST_HEAD(&hdev->debug_list);
2669 	spin_lock_init(&hdev->debug_list_lock);
2670 	sema_init(&hdev->driver_lock, 1);
2671 	sema_init(&hdev->driver_input_lock, 1);
2672 
2673 	return hdev;
2674 }
2675 EXPORT_SYMBOL_GPL(hid_allocate_device);
2676 
2677 static void hid_remove_device(struct hid_device *hdev)
2678 {
2679 	if (hdev->status & HID_STAT_ADDED) {
2680 		device_del(&hdev->dev);
2681 		hid_debug_unregister(hdev);
2682 		hdev->status &= ~HID_STAT_ADDED;
2683 	}
2684 	kfree(hdev->dev_rdesc);
2685 	hdev->dev_rdesc = NULL;
2686 	hdev->dev_rsize = 0;
2687 }
2688 
2689 /**
2690  * hid_destroy_device - free previously allocated device
2691  *
2692  * @hdev: hid device
2693  *
2694  * If you allocate hid_device through hid_allocate_device, you should ever
2695  * free by this function.
2696  */
2697 void hid_destroy_device(struct hid_device *hdev)
2698 {
2699 	hid_remove_device(hdev);
2700 	put_device(&hdev->dev);
2701 }
2702 EXPORT_SYMBOL_GPL(hid_destroy_device);
2703 
2704 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2705 		const char *mod_name)
2706 {
2707 	int ret;
2708 
2709 	hdrv->driver.name = hdrv->name;
2710 	hdrv->driver.bus = &hid_bus_type;
2711 	hdrv->driver.owner = owner;
2712 	hdrv->driver.mod_name = mod_name;
2713 
2714 	INIT_LIST_HEAD(&hdrv->dyn_list);
2715 	spin_lock_init(&hdrv->dyn_lock);
2716 
2717 	ret = driver_register(&hdrv->driver);
2718 	if (ret)
2719 		return ret;
2720 
2721 	ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2722 	if (ret)
2723 		driver_unregister(&hdrv->driver);
2724 
2725 	return ret;
2726 }
2727 EXPORT_SYMBOL_GPL(__hid_register_driver);
2728 
2729 void hid_unregister_driver(struct hid_driver *hdrv)
2730 {
2731 	driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2732 	driver_unregister(&hdrv->driver);
2733 	hid_free_dynids(hdrv);
2734 }
2735 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2736 
2737 int hid_check_keys_pressed(struct hid_device *hid)
2738 {
2739 	struct hid_input *hidinput;
2740 	int i;
2741 
2742 	if (!(hid->claimed & HID_CLAIMED_INPUT))
2743 		return 0;
2744 
2745 	list_for_each_entry(hidinput, &hid->inputs, list) {
2746 		for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2747 			if (hidinput->input->key[i])
2748 				return 1;
2749 	}
2750 
2751 	return 0;
2752 }
2753 
2754 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2755 
2756 static int __init hid_init(void)
2757 {
2758 	int ret;
2759 
2760 	if (hid_debug)
2761 		pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2762 			"debugfs is now used for inspecting the device (report descriptor, reports)\n");
2763 
2764 	ret = bus_register(&hid_bus_type);
2765 	if (ret) {
2766 		pr_err("can't register hid bus\n");
2767 		goto err;
2768 	}
2769 
2770 	ret = hidraw_init();
2771 	if (ret)
2772 		goto err_bus;
2773 
2774 	hid_debug_init();
2775 
2776 	return 0;
2777 err_bus:
2778 	bus_unregister(&hid_bus_type);
2779 err:
2780 	return ret;
2781 }
2782 
2783 static void __exit hid_exit(void)
2784 {
2785 	hid_debug_exit();
2786 	hidraw_exit();
2787 	bus_unregister(&hid_bus_type);
2788 }
2789 
2790 module_init(hid_init);
2791 module_exit(hid_exit);
2792 
2793 MODULE_AUTHOR("Andreas Gal");
2794 MODULE_AUTHOR("Vojtech Pavlik");
2795 MODULE_AUTHOR("Jiri Kosina");
2796 MODULE_LICENSE(DRIVER_LICENSE);
2797 
2798