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gerrit.nordix.org / codeaurora / cp-linux / 7d38e033b98fd00da3a0b3a506c27c772f7167bf / . / drivers / hid / hid-core.c
blob: 11a051bd8a8b7f87f4c56782709767b9bca031a6 [file] [log] [blame]
Kyle Swenson8d8f6542021-03-15 11:02:55 -0600[diff] [blame]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
48int hid_debug = 0;
49module_param_named(debug, hid_debug, int, 0600);
50MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51EXPORT_SYMBOL_GPL(hid_debug);
52
53static int hid_ignore_special_drivers = 0;
54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55MODULE_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
61struct 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}
88EXPORT_SYMBOL_GPL(hid_register_report);
89
90/*
91 * Register a new field for this report.
92 */
93
94static 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
122static 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
171static 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
186static 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
203static 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
221static 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
296static 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
306static 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
320static 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
426static 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
531static 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
568static 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
580static 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 */
593static 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
626static void hid_device_release(struct device *dev)
627{
628 struct hid_device *hid = container_of(dev, struct hid_device, dev);
629
630 hid_close_report(hid);
631 kfree(hid->dev_rdesc);
632 kfree(hid);
633}
634
635/*
636 * Fetch a report description item from the data stream. We support long
637 * items, though they are not used yet.
638 */
639
640static 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
702static 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
710static 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
717static 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
744static 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 */
783static 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 */
852int 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}
860EXPORT_SYMBOL_GPL(hid_parse_report);
861
862static 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 */
879struct 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}
928EXPORT_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 */
942int 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));
1033err:
1034 vfree(parser);
1035 hid_close_report(device);
1036 return ret;
1037}
1038EXPORT_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
1046static 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
1056s32 hid_snto32(__u32 value, unsigned n)
1057{
1058 return snto32(value, n);
1059}
1060EXPORT_SYMBOL_GPL(hid_snto32);
1061
1062/*
1063 * Convert a signed 32-bit integer to a signed n-bit integer.
1064 */
1065
1066static 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}
1101EXPORT_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 */
1111static 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
1140static 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 */
1157static 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 */
1180static 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
1198static 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
1229static 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 value[n] - min < field->maxusage &&
1255 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1256 goto exit;
1257 }
1258
1259 for (n = 0; n < count; n++) {
1260
1261 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1262 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1263 continue;
1264 }
1265
1266 if (field->value[n] >= min && field->value[n] <= max
1267 && field->value[n] - min < field->maxusage
1268 && field->usage[field->value[n] - min].hid
1269 && search(value, field->value[n], count))
1270 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1271
1272 if (value[n] >= min && value[n] <= max
1273 && value[n] - min < field->maxusage
1274 && field->usage[value[n] - min].hid
1275 && search(field->value, value[n], count))
1276 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1277 }
1278
1279 memcpy(field->value, value, count * sizeof(__s32));
1280exit:
1281 kfree(value);
1282}
1283
1284/*
1285 * Output the field into the report.
1286 */
1287
1288static void hid_output_field(const struct hid_device *hid,
1289 struct hid_field *field, __u8 *data)
1290{
1291 unsigned count = field->report_count;
1292 unsigned offset = field->report_offset;
1293 unsigned size = field->report_size;
1294 unsigned n;
1295
1296 for (n = 0; n < count; n++) {
1297 if (field->logical_minimum < 0) /* signed values */
1298 implement(hid, data, offset + n * size, size,
1299 s32ton(field->value[n], size));
1300 else /* unsigned values */
1301 implement(hid, data, offset + n * size, size,
1302 field->value[n]);
1303 }
1304}
1305
1306/*
1307 * Create a report. 'data' has to be allocated using
1308 * hid_alloc_report_buf() so that it has proper size.
1309 */
1310
1311void hid_output_report(struct hid_report *report, __u8 *data)
1312{
1313 unsigned n;
1314
1315 if (report->id > 0)
1316 *data++ = report->id;
1317
1318 memset(data, 0, ((report->size - 1) >> 3) + 1);
1319 for (n = 0; n < report->maxfield; n++)
1320 hid_output_field(report->device, report->field[n], data);
1321}
1322EXPORT_SYMBOL_GPL(hid_output_report);
1323
1324/*
1325 * Allocator for buffer that is going to be passed to hid_output_report()
1326 */
1327u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1328{
1329 /*
1330 * 7 extra bytes are necessary to achieve proper functionality
1331 * of implement() working on 8 byte chunks
1332 */
1333
1334 int len = hid_report_len(report) + 7;
1335
1336 return kmalloc(len, flags);
1337}
1338EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1339
1340/*
1341 * Set a field value. The report this field belongs to has to be
1342 * created and transferred to the device, to set this value in the
1343 * device.
1344 */
1345
1346int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1347{
1348 unsigned size;
1349
1350 if (!field)
1351 return -1;
1352
1353 size = field->report_size;
1354
1355 hid_dump_input(field->report->device, field->usage + offset, value);
1356
1357 if (offset >= field->report_count) {
1358 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1359 offset, field->report_count);
1360 return -1;
1361 }
1362 if (field->logical_minimum < 0) {
1363 if (value != snto32(s32ton(value, size), size)) {
1364 hid_err(field->report->device, "value %d is out of range\n", value);
1365 return -1;
1366 }
1367 }
1368 field->value[offset] = value;
1369 return 0;
1370}
1371EXPORT_SYMBOL_GPL(hid_set_field);
1372
1373static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1374 const u8 *data)
1375{
1376 struct hid_report *report;
1377 unsigned int n = 0; /* Normally report number is 0 */
1378
1379 /* Device uses numbered reports, data[0] is report number */
1380 if (report_enum->numbered)
1381 n = *data;
1382
1383 report = report_enum->report_id_hash[n];
1384 if (report == NULL)
1385 dbg_hid("undefined report_id %u received\n", n);
1386
1387 return report;
1388}
1389
1390/*
1391 * Implement a generic .request() callback, using .raw_request()
1392 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1393 */
1394void __hid_request(struct hid_device *hid, struct hid_report *report,
1395 int reqtype)
1396{
1397 char *buf;
1398 int ret;
1399 int len;
1400
1401 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1402 if (!buf)
1403 return;
1404
1405 len = hid_report_len(report);
1406
1407 if (reqtype == HID_REQ_SET_REPORT)
1408 hid_output_report(report, buf);
1409
1410 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1411 report->type, reqtype);
1412 if (ret < 0) {
1413 dbg_hid("unable to complete request: %d\n", ret);
1414 goto out;
1415 }
1416
1417 if (reqtype == HID_REQ_GET_REPORT)
1418 hid_input_report(hid, report->type, buf, ret, 0);
1419
1420out:
1421 kfree(buf);
1422}
1423EXPORT_SYMBOL_GPL(__hid_request);
1424
1425int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1426 int interrupt)
1427{
1428 struct hid_report_enum *report_enum = hid->report_enum + type;
1429 struct hid_report *report;
1430 struct hid_driver *hdrv;
1431 unsigned int a;
1432 int rsize, csize = size;
1433 u8 *cdata = data;
1434 int ret = 0;
1435
1436 report = hid_get_report(report_enum, data);
1437 if (!report)
1438 goto out;
1439
1440 if (report_enum->numbered) {
1441 cdata++;
1442 csize--;
1443 }
1444
1445 rsize = ((report->size - 1) >> 3) + 1;
1446
1447 if (rsize > HID_MAX_BUFFER_SIZE)
1448 rsize = HID_MAX_BUFFER_SIZE;
1449
1450 if (csize < rsize) {
1451 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1452 csize, rsize);
1453 memset(cdata + csize, 0, rsize - csize);
1454 }
1455
1456 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1457 hid->hiddev_report_event(hid, report);
1458 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1459 ret = hidraw_report_event(hid, data, size);
1460 if (ret)
1461 goto out;
1462 }
1463
1464 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1465 for (a = 0; a < report->maxfield; a++)
1466 hid_input_field(hid, report->field[a], cdata, interrupt);
1467 hdrv = hid->driver;
1468 if (hdrv && hdrv->report)
1469 hdrv->report(hid, report);
1470 }
1471
1472 if (hid->claimed & HID_CLAIMED_INPUT)
1473 hidinput_report_event(hid, report);
1474out:
1475 return ret;
1476}
1477EXPORT_SYMBOL_GPL(hid_report_raw_event);
1478
1479/**
1480 * hid_input_report - report data from lower layer (usb, bt...)
1481 *
1482 * @hid: hid device
1483 * @type: HID report type (HID_*_REPORT)
1484 * @data: report contents
1485 * @size: size of data parameter
1486 * @interrupt: distinguish between interrupt and control transfers
1487 *
1488 * This is data entry for lower layers.
1489 */
1490int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1491{
1492 struct hid_report_enum *report_enum;
1493 struct hid_driver *hdrv;
1494 struct hid_report *report;
1495 int ret = 0;
1496
1497 if (!hid)
1498 return -ENODEV;
1499
1500 if (down_trylock(&hid->driver_input_lock))
1501 return -EBUSY;
1502
1503 if (!hid->driver) {
1504 ret = -ENODEV;
1505 goto unlock;
1506 }
1507 report_enum = hid->report_enum + type;
1508 hdrv = hid->driver;
1509
1510 if (!size) {
1511 dbg_hid("empty report\n");
1512 ret = -1;
1513 goto unlock;
1514 }
1515
1516 /* Avoid unnecessary overhead if debugfs is disabled */
1517 if (!list_empty(&hid->debug_list))
1518 hid_dump_report(hid, type, data, size);
1519
1520 report = hid_get_report(report_enum, data);
1521
1522 if (!report) {
1523 ret = -1;
1524 goto unlock;
1525 }
1526
1527 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1528 ret = hdrv->raw_event(hid, report, data, size);
1529 if (ret < 0)
1530 goto unlock;
1531 }
1532
1533 ret = hid_report_raw_event(hid, type, data, size, interrupt);
1534
1535unlock:
1536 up(&hid->driver_input_lock);
1537 return ret;
1538}
1539EXPORT_SYMBOL_GPL(hid_input_report);
1540
1541static bool hid_match_one_id(struct hid_device *hdev,
1542 const struct hid_device_id *id)
1543{
1544 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1545 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1546 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1547 (id->product == HID_ANY_ID || id->product == hdev->product);
1548}
1549
1550const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1551 const struct hid_device_id *id)
1552{
1553 for (; id->bus; id++)
1554 if (hid_match_one_id(hdev, id))
1555 return id;
1556
1557 return NULL;
1558}
1559
1560static const struct hid_device_id hid_hiddev_list[] = {
1561 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1562 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1563 { }
1564};
1565
1566static bool hid_hiddev(struct hid_device *hdev)
1567{
1568 return !!hid_match_id(hdev, hid_hiddev_list);
1569}
1570
1571
1572static ssize_t
1573read_report_descriptor(struct file *filp, struct kobject *kobj,
1574 struct bin_attribute *attr,
1575 char *buf, loff_t off, size_t count)
1576{
1577 struct device *dev = container_of(kobj, struct device, kobj);
1578 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1579
1580 if (off >= hdev->rsize)
1581 return 0;
1582
1583 if (off + count > hdev->rsize)
1584 count = hdev->rsize - off;
1585
1586 memcpy(buf, hdev->rdesc + off, count);
1587
1588 return count;
1589}
1590
1591static ssize_t
1592show_country(struct device *dev, struct device_attribute *attr,
1593 char *buf)
1594{
1595 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1596
1597 return sprintf(buf, "%02x\n", hdev->country & 0xff);
1598}
1599
1600static struct bin_attribute dev_bin_attr_report_desc = {
1601 .attr = { .name = "report_descriptor", .mode = 0444 },
1602 .read = read_report_descriptor,
1603 .size = HID_MAX_DESCRIPTOR_SIZE,
1604};
1605
1606static struct device_attribute dev_attr_country = {
1607 .attr = { .name = "country", .mode = 0444 },
1608 .show = show_country,
1609};
1610
1611int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1612{
1613 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1614 "Joystick", "Gamepad", "Keyboard", "Keypad",
1615 "Multi-Axis Controller"
1616 };
1617 const char *type, *bus;
1618 char buf[64] = "";
1619 unsigned int i;
1620 int len;
1621 int ret;
1622
1623 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1624 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1625 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1626 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1627 if (hdev->bus != BUS_USB)
1628 connect_mask &= ~HID_CONNECT_HIDDEV;
1629 if (hid_hiddev(hdev))
1630 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1631
1632 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1633 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1634 hdev->claimed |= HID_CLAIMED_INPUT;
1635
1636 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1637 !hdev->hiddev_connect(hdev,
1638 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1639 hdev->claimed |= HID_CLAIMED_HIDDEV;
1640 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1641 hdev->claimed |= HID_CLAIMED_HIDRAW;
1642
1643 if (connect_mask & HID_CONNECT_DRIVER)
1644 hdev->claimed |= HID_CLAIMED_DRIVER;
1645
1646 /* Drivers with the ->raw_event callback set are not required to connect
1647 * to any other listener. */
1648 if (!hdev->claimed && !hdev->driver->raw_event) {
1649 hid_err(hdev, "device has no listeners, quitting\n");
1650 return -ENODEV;
1651 }
1652
1653 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1654 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1655 hdev->ff_init(hdev);
1656
1657 len = 0;
1658 if (hdev->claimed & HID_CLAIMED_INPUT)
1659 len += sprintf(buf + len, "input");
1660 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1661 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1662 hdev->minor);
1663 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1664 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1665 ((struct hidraw *)hdev->hidraw)->minor);
1666
1667 type = "Device";
1668 for (i = 0; i < hdev->maxcollection; i++) {
1669 struct hid_collection *col = &hdev->collection[i];
1670 if (col->type == HID_COLLECTION_APPLICATION &&
1671 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1672 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1673 type = types[col->usage & 0xffff];
1674 break;
1675 }
1676 }
1677
1678 switch (hdev->bus) {
1679 case BUS_USB:
1680 bus = "USB";
1681 break;
1682 case BUS_BLUETOOTH:
1683 bus = "BLUETOOTH";
1684 break;
1685 case BUS_I2C:
1686 bus = "I2C";
1687 break;
1688 default:
1689 bus = "<UNKNOWN>";
1690 }
1691
1692 ret = device_create_file(&hdev->dev, &dev_attr_country);
1693 if (ret)
1694 hid_warn(hdev,
1695 "can't create sysfs country code attribute err: %d\n", ret);
1696
1697 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1698 if (ret)
1699 hid_warn(hdev,
1700 "can't create sysfs report descriptor attribute err: %d\n", ret);
1701
1702 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1703 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1704 type, hdev->name, hdev->phys);
1705
1706 return 0;
1707}
1708EXPORT_SYMBOL_GPL(hid_connect);
1709
1710void hid_disconnect(struct hid_device *hdev)
1711{
1712 device_remove_file(&hdev->dev, &dev_attr_country);
1713 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1714 if (hdev->claimed & HID_CLAIMED_INPUT)
1715 hidinput_disconnect(hdev);
1716 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1717 hdev->hiddev_disconnect(hdev);
1718 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1719 hidraw_disconnect(hdev);
1720 hdev->claimed = 0;
1721}
1722EXPORT_SYMBOL_GPL(hid_disconnect);
1723
1724/*
1725 * A list of devices for which there is a specialized driver on HID bus.
1726 *
1727 * Please note that for multitouch devices (driven by hid-multitouch driver),
1728 * there is a proper autodetection and autoloading in place (based on presence
1729 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1730 * as we are doing the right thing in hid_scan_usage().
1731 *
1732 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1733 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1734 * used as a driver. See hid_scan_report().
1735 */
1736static const struct hid_device_id hid_have_special_driver[] = {
1737 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1738 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1739 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1740 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1741 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1742 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1743 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1744 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1747 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1748 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1749 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1750 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1751 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1752 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1753 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1754 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1755 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1756 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1757 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1758 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1759 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1760 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1761 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1762 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1763 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1764 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1765 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1766 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1767 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1768 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1769 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1770 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1771 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1772 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1773 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1774 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1775 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1776 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1777 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1778 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1779 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1780 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1781 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1782 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1783 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1784 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1785 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1786 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1787 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1788 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1789 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1790 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1791 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1792 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1793 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1794 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1795 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1797 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1798 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1799 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1800 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1801 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1802 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1803 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1804 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1805 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1806 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1807 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1808 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1809 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1810 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1811 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1812 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1813 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1814 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1815 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1816 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1817 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1818 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1819 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1820 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1821 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1822 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1823 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1824 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1825 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1826 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1827 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1828 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1829 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1830 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1831 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1832 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1833 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1834 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1835 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1836 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1837 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1838 { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1839 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1840 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1841 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1842 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1843 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1844 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1845 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1846 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1847 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1848 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1849 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1850 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1851 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1852 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1853 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1854 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1856 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1857 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1859 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1860 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1862 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1864 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1865 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1866 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1867 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1868 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1869 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1870 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1871 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1872 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1873 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1874 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1877 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1878 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1879 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1880 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1883 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1884 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1885#if IS_ENABLED(CONFIG_HID_LENOVO)
1886 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1888 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1890#endif
1891 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1893 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1894 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1895 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1896 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1901 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
1904 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1907 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1908 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1909 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1910 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1912 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1913 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1914 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1915 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1916 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1917 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1918 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1919 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1920#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1921 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1922 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1923#endif
1924 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1926 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1927 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1928 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1929 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1930 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1931 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1932 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1933 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1934 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1935 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1936 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1937 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1938 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1939 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1940 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
1941 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
1942 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
1943 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1944 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1949 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1962 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1963 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1964 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1965 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1967 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1968 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1969 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1970 { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1971 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1972#if IS_ENABLED(CONFIG_HID_ROCCAT)
1973 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1974 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1975 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1976 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1977 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1978 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1979 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1980 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1981 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1982 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1983 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1984 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1985 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1986 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1987 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1988 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1989#endif
1990#if IS_ENABLED(CONFIG_HID_SAITEK)
1991 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1992 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1993 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1994 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1995 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
1996 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1997#endif
1998 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1999 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2000 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2001 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2002 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2003 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2004 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2005 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2006 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2007 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2008 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2009 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2010 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2011 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2012 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2013 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2014 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2015 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2016 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2017 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2018 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2019 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2020 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2021 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2022 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2023 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2024 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2025 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2026 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2027 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2028 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2029 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2030 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2031 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2032 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2033 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2034 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2035 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2036 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2037 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2038 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2039 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2040 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2041 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2042 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2043 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2044 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2045 { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2046 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2047 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2048 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2049 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2050 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2051 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2052 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2053 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2054 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2055 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2056 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2057 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2058
2059 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2060 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2061 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2062 { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2063 { }
2064};
2065
2066struct hid_dynid {
2067 struct list_head list;
2068 struct hid_device_id id;
2069};
2070
2071/**
2072 * store_new_id - add a new HID device ID to this driver and re-probe devices
2073 * @driver: target device driver
2074 * @buf: buffer for scanning device ID data
2075 * @count: input size
2076 *
2077 * Adds a new dynamic hid device ID to this driver,
2078 * and causes the driver to probe for all devices again.
2079 */
2080static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2081 size_t count)
2082{
2083 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2084 struct hid_dynid *dynid;
2085 __u32 bus, vendor, product;
2086 unsigned long driver_data = 0;
2087 int ret;
2088
2089 ret = sscanf(buf, "%x %x %x %lx",
2090 &bus, &vendor, &product, &driver_data);
2091 if (ret < 3)
2092 return -EINVAL;
2093
2094 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2095 if (!dynid)
2096 return -ENOMEM;
2097
2098 dynid->id.bus = bus;
2099 dynid->id.group = HID_GROUP_ANY;
2100 dynid->id.vendor = vendor;
2101 dynid->id.product = product;
2102 dynid->id.driver_data = driver_data;
2103
2104 spin_lock(&hdrv->dyn_lock);
2105 list_add_tail(&dynid->list, &hdrv->dyn_list);
2106 spin_unlock(&hdrv->dyn_lock);
2107
2108 ret = driver_attach(&hdrv->driver);
2109
2110 return ret ? : count;
2111}
2112static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2113
2114static void hid_free_dynids(struct hid_driver *hdrv)
2115{
2116 struct hid_dynid *dynid, *n;
2117
2118 spin_lock(&hdrv->dyn_lock);
2119 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2120 list_del(&dynid->list);
2121 kfree(dynid);
2122 }
2123 spin_unlock(&hdrv->dyn_lock);
2124}
2125
2126static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2127 struct hid_driver *hdrv)
2128{
2129 struct hid_dynid *dynid;
2130
2131 spin_lock(&hdrv->dyn_lock);
2132 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2133 if (hid_match_one_id(hdev, &dynid->id)) {
2134 spin_unlock(&hdrv->dyn_lock);
2135 return &dynid->id;
2136 }
2137 }
2138 spin_unlock(&hdrv->dyn_lock);
2139
2140 return hid_match_id(hdev, hdrv->id_table);
2141}
2142
2143static int hid_bus_match(struct device *dev, struct device_driver *drv)
2144{
2145 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2146 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2147
2148 return hid_match_device(hdev, hdrv) != NULL;
2149}
2150
2151static int hid_device_probe(struct device *dev)
2152{
2153 struct hid_driver *hdrv = container_of(dev->driver,
2154 struct hid_driver, driver);
2155 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2156 const struct hid_device_id *id;
2157 int ret = 0;
2158
2159 if (down_interruptible(&hdev->driver_lock))
2160 return -EINTR;
2161 if (down_interruptible(&hdev->driver_input_lock)) {
2162 ret = -EINTR;
2163 goto unlock_driver_lock;
2164 }
2165 hdev->io_started = false;
2166
2167 if (!hdev->driver) {
2168 id = hid_match_device(hdev, hdrv);
2169 if (id == NULL) {
2170 ret = -ENODEV;
2171 goto unlock;
2172 }
2173
2174 hdev->driver = hdrv;
2175 if (hdrv->probe) {
2176 ret = hdrv->probe(hdev, id);
2177 } else { /* default probe */
2178 ret = hid_open_report(hdev);
2179 if (!ret)
2180 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2181 }
2182 if (ret) {
2183 hid_close_report(hdev);
2184 hdev->driver = NULL;
2185 }
2186 }
2187unlock:
2188 if (!hdev->io_started)
2189 up(&hdev->driver_input_lock);
2190unlock_driver_lock:
2191 up(&hdev->driver_lock);
2192 return ret;
2193}
2194
2195static int hid_device_remove(struct device *dev)
2196{
2197 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2198 struct hid_driver *hdrv;
2199 int ret = 0;
2200
2201 if (down_interruptible(&hdev->driver_lock))
2202 return -EINTR;
2203 if (down_interruptible(&hdev->driver_input_lock)) {
2204 ret = -EINTR;
2205 goto unlock_driver_lock;
2206 }
2207 hdev->io_started = false;
2208
2209 hdrv = hdev->driver;
2210 if (hdrv) {
2211 if (hdrv->remove)
2212 hdrv->remove(hdev);
2213 else /* default remove */
2214 hid_hw_stop(hdev);
2215 hid_close_report(hdev);
2216 hdev->driver = NULL;
2217 }
2218
2219 if (!hdev->io_started)
2220 up(&hdev->driver_input_lock);
2221unlock_driver_lock:
2222 up(&hdev->driver_lock);
2223 return ret;
2224}
2225
2226static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2227 char *buf)
2228{
2229 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2230 int len;
2231
2232 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2233 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2234
2235 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2236}
2237static DEVICE_ATTR_RO(modalias);
2238
2239static struct attribute *hid_dev_attrs[] = {
2240 &dev_attr_modalias.attr,
2241 NULL,
2242};
2243ATTRIBUTE_GROUPS(hid_dev);
2244
2245static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2246{
2247 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2248
2249 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2250 hdev->bus, hdev->vendor, hdev->product))
2251 return -ENOMEM;
2252
2253 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2254 return -ENOMEM;
2255
2256 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2257 return -ENOMEM;
2258
2259 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2260 return -ENOMEM;
2261
2262 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2263 hdev->bus, hdev->group, hdev->vendor, hdev->product))
2264 return -ENOMEM;
2265
2266 return 0;
2267}
2268
2269static struct bus_type hid_bus_type = {
2270 .name = "hid",
2271 .dev_groups = hid_dev_groups,
2272 .match = hid_bus_match,
2273 .probe = hid_device_probe,
2274 .remove = hid_device_remove,
2275 .uevent = hid_uevent,
2276};
2277
2278/* a list of devices that shouldn't be handled by HID core at all */
2279static const struct hid_device_id hid_ignore_list[] = {
2280 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2281 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2282 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2283 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2284 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2285 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2286 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2287 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2288 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2289 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2290 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2291 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2292 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2293 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2294 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2295 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2296 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2297 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2298 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2299 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2300 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2301 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2302 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2303 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2304 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2305 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2306 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2307 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2308 { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2309 { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2310 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2311 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2312 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2313 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2314 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2315 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2316 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2317 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2318 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2319 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2320 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2321 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2322 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2323 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2324 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2325 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2326 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2327 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2328 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2329 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2330 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2331 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2332 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2333 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2334 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2335 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2336 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2337 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2338 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2339 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2340 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2341 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2342 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2343 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2344 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2345 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2346 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2347 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2348 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2349 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2350 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2351 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2352 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2353 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2354 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2355 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2356 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2357 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2358 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2359 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2360 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2361 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2362 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2363 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2364 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2365 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2366 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2367 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2368 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2369 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2370 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2371 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2372 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2373 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2374 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2375 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2376 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2377 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2378 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2379 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2380 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2381 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2382 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2383 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2384 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2385 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2386 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2387 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2388 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2389 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2390 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2391 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2392 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2393 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2394 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2395 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2396 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2397 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2398 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2399 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2400 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2401 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2402 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2403 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2404 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2405 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2406 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2407 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2408 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2409 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2410 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2411 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2412 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2413 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2414 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2415 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2416 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2417 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2418 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2419 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2420 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2421 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2422 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2423 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2424 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2425 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2426 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2427 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2428 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2429 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2430 { HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
2431 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2432 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2433#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2434 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2435 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2436 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2437 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2438 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2439 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2440 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2441 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2442#endif
2443 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2444 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2445 { }
2446};
2447
2448/**
2449 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2450 *
2451 * There are composite devices for which we want to ignore only a certain
2452 * interface. This is a list of devices for which only the mouse interface will
2453 * be ignored. This allows a dedicated driver to take care of the interface.
2454 */
2455static const struct hid_device_id hid_mouse_ignore_list[] = {
2456 /* appletouch driver */
2457 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2458 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2459 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2460 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2461 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2462 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2463 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2464 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2465 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2466 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2467 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2468 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2469 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2470 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2471 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2472 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2473 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2474 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2475 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2476 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2477 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2478 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2479 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2480 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2481 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2482 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2483 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2484 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2485 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2486 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2487 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2488 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2489 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2490 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2491 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2492 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2493 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2494 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2495 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2496 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2497 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2498 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2499 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2500 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2501 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2502 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2503 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2504 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2505 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2506 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2507 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2508 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2509 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2510 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2511 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2512 { }
2513};
2514
2515bool hid_ignore(struct hid_device *hdev)
2516{
2517 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2518 return false;
2519 if (hdev->quirks & HID_QUIRK_IGNORE)
2520 return true;
2521
2522 switch (hdev->vendor) {
2523 case USB_VENDOR_ID_CODEMERCS:
2524 /* ignore all Code Mercenaries IOWarrior devices */
2525 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2526 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2527 return true;
2528 break;
2529 case USB_VENDOR_ID_LOGITECH:
2530 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2531 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2532 return true;
2533 /*
2534 * The Keene FM transmitter USB device has the same USB ID as
2535 * the Logitech AudioHub Speaker, but it should ignore the hid.
2536 * Check if the name is that of the Keene device.
2537 * For reference: the name of the AudioHub is
2538 * "HOLTEK AudioHub Speaker".
2539 */
2540 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2541 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2542 return true;
2543 break;
2544 case USB_VENDOR_ID_SOUNDGRAPH:
2545 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2546 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2547 return true;
2548 break;
2549 case USB_VENDOR_ID_HANWANG:
2550 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2551 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2552 return true;
2553 break;
2554 case USB_VENDOR_ID_JESS:
2555 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2556 hdev->type == HID_TYPE_USBNONE)
2557 return true;
2558 break;
2559 case USB_VENDOR_ID_VELLEMAN:
2560 /* These are not HID devices. They are handled by comedi. */
2561 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2562 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2563 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2564 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2565 return true;
2566 break;
2567 case USB_VENDOR_ID_ATMEL_V_USB:
2568 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2569 * it has the same USB ID as many Atmel V-USB devices. This
2570 * usb radio is handled by radio-ma901.c driver so we want
2571 * ignore the hid. Check the name, bus, product and ignore
2572 * if we have MA901 usb radio.
2573 */
2574 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2575 hdev->bus == BUS_USB &&
2576 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2577 return true;
2578 break;
2579 }
2580
2581 if (hdev->type == HID_TYPE_USBMOUSE &&
2582 hid_match_id(hdev, hid_mouse_ignore_list))
2583 return true;
2584
2585 return !!hid_match_id(hdev, hid_ignore_list);
2586}
2587EXPORT_SYMBOL_GPL(hid_ignore);
2588
2589int hid_add_device(struct hid_device *hdev)
2590{
2591 static atomic_t id = ATOMIC_INIT(0);
2592 int ret;
2593
2594 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2595 return -EBUSY;
2596
2597 /* we need to kill them here, otherwise they will stay allocated to
2598 * wait for coming driver */
2599 if (hid_ignore(hdev))
2600 return -ENODEV;
2601
2602 /*
2603 * Check for the mandatory transport channel.
2604 */
2605 if (!hdev->ll_driver->raw_request) {
2606 hid_err(hdev, "transport driver missing .raw_request()\n");
2607 return -EINVAL;
2608 }
2609
2610 /*
2611 * Read the device report descriptor once and use as template
2612 * for the driver-specific modifications.
2613 */
2614 ret = hdev->ll_driver->parse(hdev);
2615 if (ret)
2616 return ret;
2617 if (!hdev->dev_rdesc)
2618 return -ENODEV;
2619
2620 /*
2621 * Scan generic devices for group information
2622 */
2623 if (hid_ignore_special_drivers) {
2624 hdev->group = HID_GROUP_GENERIC;
2625 } else if (!hdev->group &&
2626 !hid_match_id(hdev, hid_have_special_driver)) {
2627 ret = hid_scan_report(hdev);
2628 if (ret)
2629 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2630 }
2631
2632 /* XXX hack, any other cleaner solution after the driver core
2633 * is converted to allow more than 20 bytes as the device name? */
2634 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2635 hdev->vendor, hdev->product, atomic_inc_return(&id));
2636
2637 hid_debug_register(hdev, dev_name(&hdev->dev));
2638 ret = device_add(&hdev->dev);
2639 if (!ret)
2640 hdev->status |= HID_STAT_ADDED;
2641 else
2642 hid_debug_unregister(hdev);
2643
2644 return ret;
2645}
2646EXPORT_SYMBOL_GPL(hid_add_device);
2647
2648/**
2649 * hid_allocate_device - allocate new hid device descriptor
2650 *
2651 * Allocate and initialize hid device, so that hid_destroy_device might be
2652 * used to free it.
2653 *
2654 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2655 * error value.
2656 */
2657struct hid_device *hid_allocate_device(void)
2658{
2659 struct hid_device *hdev;
2660 int ret = -ENOMEM;
2661
2662 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2663 if (hdev == NULL)
2664 return ERR_PTR(ret);
2665
2666 device_initialize(&hdev->dev);
2667 hdev->dev.release = hid_device_release;
2668 hdev->dev.bus = &hid_bus_type;
2669
2670 hid_close_report(hdev);
2671
2672 init_waitqueue_head(&hdev->debug_wait);
2673 INIT_LIST_HEAD(&hdev->debug_list);
2674 spin_lock_init(&hdev->debug_list_lock);
2675 sema_init(&hdev->driver_lock, 1);
2676 sema_init(&hdev->driver_input_lock, 1);
2677
2678 return hdev;
2679}
2680EXPORT_SYMBOL_GPL(hid_allocate_device);
2681
2682static void hid_remove_device(struct hid_device *hdev)
2683{
2684 if (hdev->status & HID_STAT_ADDED) {
2685 device_del(&hdev->dev);
2686 hid_debug_unregister(hdev);
2687 hdev->status &= ~HID_STAT_ADDED;
2688 }
2689 kfree(hdev->dev_rdesc);
2690 hdev->dev_rdesc = NULL;
2691 hdev->dev_rsize = 0;
2692}
2693
2694/**
2695 * hid_destroy_device - free previously allocated device
2696 *
2697 * @hdev: hid device
2698 *
2699 * If you allocate hid_device through hid_allocate_device, you should ever
2700 * free by this function.
2701 */
2702void hid_destroy_device(struct hid_device *hdev)
2703{
2704 hid_remove_device(hdev);
2705 put_device(&hdev->dev);
2706}
2707EXPORT_SYMBOL_GPL(hid_destroy_device);
2708
2709int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2710 const char *mod_name)
2711{
2712 int ret;
2713
2714 hdrv->driver.name = hdrv->name;
2715 hdrv->driver.bus = &hid_bus_type;
2716 hdrv->driver.owner = owner;
2717 hdrv->driver.mod_name = mod_name;
2718
2719 INIT_LIST_HEAD(&hdrv->dyn_list);
2720 spin_lock_init(&hdrv->dyn_lock);
2721
2722 ret = driver_register(&hdrv->driver);
2723 if (ret)
2724 return ret;
2725
2726 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2727 if (ret)
2728 driver_unregister(&hdrv->driver);
2729
2730 return ret;
2731}
2732EXPORT_SYMBOL_GPL(__hid_register_driver);
2733
2734void hid_unregister_driver(struct hid_driver *hdrv)
2735{
2736 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2737 driver_unregister(&hdrv->driver);
2738 hid_free_dynids(hdrv);
2739}
2740EXPORT_SYMBOL_GPL(hid_unregister_driver);
2741
2742int hid_check_keys_pressed(struct hid_device *hid)
2743{
2744 struct hid_input *hidinput;
2745 int i;
2746
2747 if (!(hid->claimed & HID_CLAIMED_INPUT))
2748 return 0;
2749
2750 list_for_each_entry(hidinput, &hid->inputs, list) {
2751 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2752 if (hidinput->input->key[i])
2753 return 1;
2754 }
2755
2756 return 0;
2757}
2758
2759EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2760
2761static int __init hid_init(void)
2762{
2763 int ret;
2764
2765 if (hid_debug)
2766 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2767 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2768
2769 ret = bus_register(&hid_bus_type);
2770 if (ret) {
2771 pr_err("can't register hid bus\n");
2772 goto err;
2773 }
2774
2775 ret = hidraw_init();
2776 if (ret)
2777 goto err_bus;
2778
2779 hid_debug_init();
2780
2781 return 0;
2782err_bus:
2783 bus_unregister(&hid_bus_type);
2784err:
2785 return ret;
2786}
2787
2788static void __exit hid_exit(void)
2789{
2790 hid_debug_exit();
2791 hidraw_exit();
2792 bus_unregister(&hid_bus_type);
2793}
2794
2795module_init(hid_init);
2796module_exit(hid_exit);
2797
2798MODULE_AUTHOR("Andreas Gal");
2799MODULE_AUTHOR("Vojtech Pavlik");
2800MODULE_AUTHOR("Jiri Kosina");
2801MODULE_LICENSE(DRIVER_LICENSE);
2802