source: src/linux/universal/linux-4.9/drivers/hid/hid-core.c @ 31859

Last change on this file since 31859 was 31859, checked in by brainslayer, 2 months ago

kernel update

File size: 96.7 KB
Line 
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 = to_hid_device(dev);
629
630        hid_close_report(hid);
631        kfree(hid->dev_rdesc);
632        kfree(hid);
633}
634
635/*
636 * Fetch a report description item from the data stream. We support long
637 * items, though they are not used yet.
638 */
639
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_PRO_4_JP ||
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/hidpage/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
1086static u32 __extract(u8 *report, unsigned offset, int n)
1087{
1088        unsigned int idx = offset / 8;
1089        unsigned int bit_nr = 0;
1090        unsigned int bit_shift = offset % 8;
1091        int bits_to_copy = 8 - bit_shift;
1092        u32 value = 0;
1093        u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
1094
1095        while (n > 0) {
1096                value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1097                n -= bits_to_copy;
1098                bit_nr += bits_to_copy;
1099                bits_to_copy = 8;
1100                bit_shift = 0;
1101                idx++;
1102        }
1103
1104        return value & mask;
1105}
1106
1107u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1108                        unsigned offset, unsigned n)
1109{
1110        if (n > 32) {
1111                hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1112                         n, current->comm);
1113                n = 32;
1114        }
1115
1116        return __extract(report, offset, n);
1117}
1118EXPORT_SYMBOL_GPL(hid_field_extract);
1119
1120/*
1121 * "implement" : set bits in a little endian bit stream.
1122 * Same concepts as "extract" (see comments above).
1123 * The data mangled in the bit stream remains in little endian
1124 * order the whole time. It make more sense to talk about
1125 * endianness of register values by considering a register
1126 * a "cached" copy of the little endian bit stream.
1127 */
1128
1129static void __implement(u8 *report, unsigned offset, int n, u32 value)
1130{
1131        unsigned int idx = offset / 8;
1132        unsigned int bit_shift = offset % 8;
1133        int bits_to_set = 8 - bit_shift;
1134
1135        while (n - bits_to_set >= 0) {
1136                report[idx] &= ~(0xff << bit_shift);
1137                report[idx] |= value << bit_shift;
1138                value >>= bits_to_set;
1139                n -= bits_to_set;
1140                bits_to_set = 8;
1141                bit_shift = 0;
1142                idx++;
1143        }
1144
1145        /* last nibble */
1146        if (n) {
1147                u8 bit_mask = ((1U << n) - 1);
1148                report[idx] &= ~(bit_mask << bit_shift);
1149                report[idx] |= value << bit_shift;
1150        }
1151}
1152
1153static void implement(const struct hid_device *hid, u8 *report,
1154                      unsigned offset, unsigned n, u32 value)
1155{
1156        if (unlikely(n > 32)) {
1157                hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1158                         __func__, n, current->comm);
1159                n = 32;
1160        } else if (n < 32) {
1161                u32 m = (1U << n) - 1;
1162
1163                if (unlikely(value > m)) {
1164                        hid_warn(hid,
1165                                 "%s() called with too large value %d (n: %d)! (%s)\n",
1166                                 __func__, value, n, current->comm);
1167                        WARN_ON(1);
1168                        value &= m;
1169                }
1170        }
1171
1172        __implement(report, offset, n, value);
1173}
1174
1175/*
1176 * Search an array for a value.
1177 */
1178
1179static int search(__s32 *array, __s32 value, unsigned n)
1180{
1181        while (n--) {
1182                if (*array++ == value)
1183                        return 0;
1184        }
1185        return -1;
1186}
1187
1188/**
1189 * hid_match_report - check if driver's raw_event should be called
1190 *
1191 * @hid: hid device
1192 * @report_type: type to match against
1193 *
1194 * compare hid->driver->report_table->report_type to report->type
1195 */
1196static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1197{
1198        const struct hid_report_id *id = hid->driver->report_table;
1199
1200        if (!id) /* NULL means all */
1201                return 1;
1202
1203        for (; id->report_type != HID_TERMINATOR; id++)
1204                if (id->report_type == HID_ANY_ID ||
1205                                id->report_type == report->type)
1206                        return 1;
1207        return 0;
1208}
1209
1210/**
1211 * hid_match_usage - check if driver's event should be called
1212 *
1213 * @hid: hid device
1214 * @usage: usage to match against
1215 *
1216 * compare hid->driver->usage_table->usage_{type,code} to
1217 * usage->usage_{type,code}
1218 */
1219static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1220{
1221        const struct hid_usage_id *id = hid->driver->usage_table;
1222
1223        if (!id) /* NULL means all */
1224                return 1;
1225
1226        for (; id->usage_type != HID_ANY_ID - 1; id++)
1227                if ((id->usage_hid == HID_ANY_ID ||
1228                                id->usage_hid == usage->hid) &&
1229                                (id->usage_type == HID_ANY_ID ||
1230                                id->usage_type == usage->type) &&
1231                                (id->usage_code == HID_ANY_ID ||
1232                                 id->usage_code == usage->code))
1233                        return 1;
1234        return 0;
1235}
1236
1237static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1238                struct hid_usage *usage, __s32 value, int interrupt)
1239{
1240        struct hid_driver *hdrv = hid->driver;
1241        int ret;
1242
1243        if (!list_empty(&hid->debug_list))
1244                hid_dump_input(hid, usage, value);
1245
1246        if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1247                ret = hdrv->event(hid, field, usage, value);
1248                if (ret != 0) {
1249                        if (ret < 0)
1250                                hid_err(hid, "%s's event failed with %d\n",
1251                                                hdrv->name, ret);
1252                        return;
1253                }
1254        }
1255
1256        if (hid->claimed & HID_CLAIMED_INPUT)
1257                hidinput_hid_event(hid, field, usage, value);
1258        if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1259                hid->hiddev_hid_event(hid, field, usage, value);
1260}
1261
1262/*
1263 * Analyse a received field, and fetch the data from it. The field
1264 * content is stored for next report processing (we do differential
1265 * reporting to the layer).
1266 */
1267
1268static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1269                            __u8 *data, int interrupt)
1270{
1271        unsigned n;
1272        unsigned count = field->report_count;
1273        unsigned offset = field->report_offset;
1274        unsigned size = field->report_size;
1275        __s32 min = field->logical_minimum;
1276        __s32 max = field->logical_maximum;
1277        __s32 *value;
1278
1279        value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1280        if (!value)
1281                return;
1282
1283        for (n = 0; n < count; n++) {
1284
1285                value[n] = min < 0 ?
1286                        snto32(hid_field_extract(hid, data, offset + n * size,
1287                               size), size) :
1288                        hid_field_extract(hid, data, offset + n * size, size);
1289
1290                /* Ignore report if ErrorRollOver */
1291                if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1292                    value[n] >= min && value[n] <= max &&
1293                    value[n] - min < field->maxusage &&
1294                    field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1295                        goto exit;
1296        }
1297
1298        for (n = 0; n < count; n++) {
1299
1300                if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1301                        hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1302                        continue;
1303                }
1304
1305                if (field->value[n] >= min && field->value[n] <= max
1306                        && field->value[n] - min < field->maxusage
1307                        && field->usage[field->value[n] - min].hid
1308                        && search(value, field->value[n], count))
1309                                hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1310
1311                if (value[n] >= min && value[n] <= max
1312                        && value[n] - min < field->maxusage
1313                        && field->usage[value[n] - min].hid
1314                        && search(field->value, value[n], count))
1315                                hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1316        }
1317
1318        memcpy(field->value, value, count * sizeof(__s32));
1319exit:
1320        kfree(value);
1321}
1322
1323/*
1324 * Output the field into the report.
1325 */
1326
1327static void hid_output_field(const struct hid_device *hid,
1328                             struct hid_field *field, __u8 *data)
1329{
1330        unsigned count = field->report_count;
1331        unsigned offset = field->report_offset;
1332        unsigned size = field->report_size;
1333        unsigned n;
1334
1335        for (n = 0; n < count; n++) {
1336                if (field->logical_minimum < 0) /* signed values */
1337                        implement(hid, data, offset + n * size, size,
1338                                  s32ton(field->value[n], size));
1339                else                            /* unsigned values */
1340                        implement(hid, data, offset + n * size, size,
1341                                  field->value[n]);
1342        }
1343}
1344
1345/*
1346 * Create a report. 'data' has to be allocated using
1347 * hid_alloc_report_buf() so that it has proper size.
1348 */
1349
1350void hid_output_report(struct hid_report *report, __u8 *data)
1351{
1352        unsigned n;
1353
1354        if (report->id > 0)
1355                *data++ = report->id;
1356
1357        memset(data, 0, ((report->size - 1) >> 3) + 1);
1358        for (n = 0; n < report->maxfield; n++)
1359                hid_output_field(report->device, report->field[n], data);
1360}
1361EXPORT_SYMBOL_GPL(hid_output_report);
1362
1363/*
1364 * Allocator for buffer that is going to be passed to hid_output_report()
1365 */
1366u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1367{
1368        /*
1369         * 7 extra bytes are necessary to achieve proper functionality
1370         * of implement() working on 8 byte chunks
1371         */
1372
1373        int len = hid_report_len(report) + 7;
1374
1375        return kmalloc(len, flags);
1376}
1377EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1378
1379/*
1380 * Set a field value. The report this field belongs to has to be
1381 * created and transferred to the device, to set this value in the
1382 * device.
1383 */
1384
1385int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1386{
1387        unsigned size;
1388
1389        if (!field)
1390                return -1;
1391
1392        size = field->report_size;
1393
1394        hid_dump_input(field->report->device, field->usage + offset, value);
1395
1396        if (offset >= field->report_count) {
1397                hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1398                                offset, field->report_count);
1399                return -1;
1400        }
1401        if (field->logical_minimum < 0) {
1402                if (value != snto32(s32ton(value, size), size)) {
1403                        hid_err(field->report->device, "value %d is out of range\n", value);
1404                        return -1;
1405                }
1406        }
1407        field->value[offset] = value;
1408        return 0;
1409}
1410EXPORT_SYMBOL_GPL(hid_set_field);
1411
1412static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1413                const u8 *data)
1414{
1415        struct hid_report *report;
1416        unsigned int n = 0;     /* Normally report number is 0 */
1417
1418        /* Device uses numbered reports, data[0] is report number */
1419        if (report_enum->numbered)
1420                n = *data;
1421
1422        report = report_enum->report_id_hash[n];
1423        if (report == NULL)
1424                dbg_hid("undefined report_id %u received\n", n);
1425
1426        return report;
1427}
1428
1429/*
1430 * Implement a generic .request() callback, using .raw_request()
1431 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1432 */
1433void __hid_request(struct hid_device *hid, struct hid_report *report,
1434                int reqtype)
1435{
1436        char *buf;
1437        int ret;
1438        int len;
1439
1440        buf = hid_alloc_report_buf(report, GFP_KERNEL);
1441        if (!buf)
1442                return;
1443
1444        len = hid_report_len(report);
1445
1446        if (reqtype == HID_REQ_SET_REPORT)
1447                hid_output_report(report, buf);
1448
1449        ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1450                                          report->type, reqtype);
1451        if (ret < 0) {
1452                dbg_hid("unable to complete request: %d\n", ret);
1453                goto out;
1454        }
1455
1456        if (reqtype == HID_REQ_GET_REPORT)
1457                hid_input_report(hid, report->type, buf, ret, 0);
1458
1459out:
1460        kfree(buf);
1461}
1462EXPORT_SYMBOL_GPL(__hid_request);
1463
1464int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1465                int interrupt)
1466{
1467        struct hid_report_enum *report_enum = hid->report_enum + type;
1468        struct hid_report *report;
1469        struct hid_driver *hdrv;
1470        unsigned int a;
1471        int rsize, csize = size;
1472        u8 *cdata = data;
1473        int ret = 0;
1474
1475        report = hid_get_report(report_enum, data);
1476        if (!report)
1477                goto out;
1478
1479        if (report_enum->numbered) {
1480                cdata++;
1481                csize--;
1482        }
1483
1484        rsize = ((report->size - 1) >> 3) + 1;
1485
1486        if (rsize > HID_MAX_BUFFER_SIZE)
1487                rsize = HID_MAX_BUFFER_SIZE;
1488
1489        if (csize < rsize) {
1490                dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1491                                csize, rsize);
1492                memset(cdata + csize, 0, rsize - csize);
1493        }
1494
1495        if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1496                hid->hiddev_report_event(hid, report);
1497        if (hid->claimed & HID_CLAIMED_HIDRAW) {
1498                ret = hidraw_report_event(hid, data, size);
1499                if (ret)
1500                        goto out;
1501        }
1502
1503        if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1504                for (a = 0; a < report->maxfield; a++)
1505                        hid_input_field(hid, report->field[a], cdata, interrupt);
1506                hdrv = hid->driver;
1507                if (hdrv && hdrv->report)
1508                        hdrv->report(hid, report);
1509        }
1510
1511        if (hid->claimed & HID_CLAIMED_INPUT)
1512                hidinput_report_event(hid, report);
1513out:
1514        return ret;
1515}
1516EXPORT_SYMBOL_GPL(hid_report_raw_event);
1517
1518/**
1519 * hid_input_report - report data from lower layer (usb, bt...)
1520 *
1521 * @hid: hid device
1522 * @type: HID report type (HID_*_REPORT)
1523 * @data: report contents
1524 * @size: size of data parameter
1525 * @interrupt: distinguish between interrupt and control transfers
1526 *
1527 * This is data entry for lower layers.
1528 */
1529int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1530{
1531        struct hid_report_enum *report_enum;
1532        struct hid_driver *hdrv;
1533        struct hid_report *report;
1534        int ret = 0;
1535
1536        if (!hid)
1537                return -ENODEV;
1538
1539        if (down_trylock(&hid->driver_input_lock))
1540                return -EBUSY;
1541
1542        if (!hid->driver) {
1543                ret = -ENODEV;
1544                goto unlock;
1545        }
1546        report_enum = hid->report_enum + type;
1547        hdrv = hid->driver;
1548
1549        if (!size) {
1550                dbg_hid("empty report\n");
1551                ret = -1;
1552                goto unlock;
1553        }
1554
1555        /* Avoid unnecessary overhead if debugfs is disabled */
1556        if (!list_empty(&hid->debug_list))
1557                hid_dump_report(hid, type, data, size);
1558
1559        report = hid_get_report(report_enum, data);
1560
1561        if (!report) {
1562                ret = -1;
1563                goto unlock;
1564        }
1565
1566        if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1567                ret = hdrv->raw_event(hid, report, data, size);
1568                if (ret < 0)
1569                        goto unlock;
1570        }
1571
1572        ret = hid_report_raw_event(hid, type, data, size, interrupt);
1573
1574unlock:
1575        up(&hid->driver_input_lock);
1576        return ret;
1577}
1578EXPORT_SYMBOL_GPL(hid_input_report);
1579
1580static bool hid_match_one_id(struct hid_device *hdev,
1581                const struct hid_device_id *id)
1582{
1583        return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1584                (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1585                (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1586                (id->product == HID_ANY_ID || id->product == hdev->product);
1587}
1588
1589const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1590                const struct hid_device_id *id)
1591{
1592        for (; id->bus; id++)
1593                if (hid_match_one_id(hdev, id))
1594                        return id;
1595
1596        return NULL;
1597}
1598
1599static const struct hid_device_id hid_hiddev_list[] = {
1600        { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1601        { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1602        { }
1603};
1604
1605static bool hid_hiddev(struct hid_device *hdev)
1606{
1607        return !!hid_match_id(hdev, hid_hiddev_list);
1608}
1609
1610
1611static ssize_t
1612read_report_descriptor(struct file *filp, struct kobject *kobj,
1613                struct bin_attribute *attr,
1614                char *buf, loff_t off, size_t count)
1615{
1616        struct device *dev = kobj_to_dev(kobj);
1617        struct hid_device *hdev = to_hid_device(dev);
1618
1619        if (off >= hdev->rsize)
1620                return 0;
1621
1622        if (off + count > hdev->rsize)
1623                count = hdev->rsize - off;
1624
1625        memcpy(buf, hdev->rdesc + off, count);
1626
1627        return count;
1628}
1629
1630static ssize_t
1631show_country(struct device *dev, struct device_attribute *attr,
1632                char *buf)
1633{
1634        struct hid_device *hdev = to_hid_device(dev);
1635
1636        return sprintf(buf, "%02x\n", hdev->country & 0xff);
1637}
1638
1639static struct bin_attribute dev_bin_attr_report_desc = {
1640        .attr = { .name = "report_descriptor", .mode = 0444 },
1641        .read = read_report_descriptor,
1642        .size = HID_MAX_DESCRIPTOR_SIZE,
1643};
1644
1645static struct device_attribute dev_attr_country = {
1646        .attr = { .name = "country", .mode = 0444 },
1647        .show = show_country,
1648};
1649
1650int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1651{
1652        static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1653                "Joystick", "Gamepad", "Keyboard", "Keypad",
1654                "Multi-Axis Controller"
1655        };
1656        const char *type, *bus;
1657        char buf[64] = "";
1658        unsigned int i;
1659        int len;
1660        int ret;
1661
1662        if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1663                connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1664        if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1665                connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1666        if (hdev->bus != BUS_USB)
1667                connect_mask &= ~HID_CONNECT_HIDDEV;
1668        if (hid_hiddev(hdev))
1669                connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1670
1671        if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1672                                connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1673                hdev->claimed |= HID_CLAIMED_INPUT;
1674
1675        if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1676                        !hdev->hiddev_connect(hdev,
1677                                connect_mask & HID_CONNECT_HIDDEV_FORCE))
1678                hdev->claimed |= HID_CLAIMED_HIDDEV;
1679        if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1680                hdev->claimed |= HID_CLAIMED_HIDRAW;
1681
1682        if (connect_mask & HID_CONNECT_DRIVER)
1683                hdev->claimed |= HID_CLAIMED_DRIVER;
1684
1685        /* Drivers with the ->raw_event callback set are not required to connect
1686         * to any other listener. */
1687        if (!hdev->claimed && !hdev->driver->raw_event) {
1688                hid_err(hdev, "device has no listeners, quitting\n");
1689                return -ENODEV;
1690        }
1691
1692        if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1693                        (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1694                hdev->ff_init(hdev);
1695
1696        len = 0;
1697        if (hdev->claimed & HID_CLAIMED_INPUT)
1698                len += sprintf(buf + len, "input");
1699        if (hdev->claimed & HID_CLAIMED_HIDDEV)
1700                len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1701                                hdev->minor);
1702        if (hdev->claimed & HID_CLAIMED_HIDRAW)
1703                len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1704                                ((struct hidraw *)hdev->hidraw)->minor);
1705
1706        type = "Device";
1707        for (i = 0; i < hdev->maxcollection; i++) {
1708                struct hid_collection *col = &hdev->collection[i];
1709                if (col->type == HID_COLLECTION_APPLICATION &&
1710                   (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1711                   (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1712                        type = types[col->usage & 0xffff];
1713                        break;
1714                }
1715        }
1716
1717        switch (hdev->bus) {
1718        case BUS_USB:
1719                bus = "USB";
1720                break;
1721        case BUS_BLUETOOTH:
1722                bus = "BLUETOOTH";
1723                break;
1724        case BUS_I2C:
1725                bus = "I2C";
1726                break;
1727        default:
1728                bus = "<UNKNOWN>";
1729        }
1730
1731        ret = device_create_file(&hdev->dev, &dev_attr_country);
1732        if (ret)
1733                hid_warn(hdev,
1734                         "can't create sysfs country code attribute err: %d\n", ret);
1735
1736        hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1737                 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1738                 type, hdev->name, hdev->phys);
1739
1740        return 0;
1741}
1742EXPORT_SYMBOL_GPL(hid_connect);
1743
1744void hid_disconnect(struct hid_device *hdev)
1745{
1746        device_remove_file(&hdev->dev, &dev_attr_country);
1747        if (hdev->claimed & HID_CLAIMED_INPUT)
1748                hidinput_disconnect(hdev);
1749        if (hdev->claimed & HID_CLAIMED_HIDDEV)
1750                hdev->hiddev_disconnect(hdev);
1751        if (hdev->claimed & HID_CLAIMED_HIDRAW)
1752                hidraw_disconnect(hdev);
1753        hdev->claimed = 0;
1754}
1755EXPORT_SYMBOL_GPL(hid_disconnect);
1756
1757/*
1758 * A list of devices for which there is a specialized driver on HID bus.
1759 *
1760 * Please note that for multitouch devices (driven by hid-multitouch driver),
1761 * there is a proper autodetection and autoloading in place (based on presence
1762 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1763 * as we are doing the right thing in hid_scan_usage().
1764 *
1765 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1766 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1767 * used as a driver. See hid_scan_report().
1768 */
1769static const struct hid_device_id hid_have_special_driver[] = {
1770        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1771        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1772        { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1773        { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1774        { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1775        { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
1776        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1777        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1778        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1779        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1780        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1781        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1782        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1783        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1784        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1785        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1786        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1787        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1788        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1789        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1790        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1791        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1792        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1793        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1794        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1795        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1796        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1797        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1798        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1799        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1800        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1801        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1802        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1803        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1804        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1805        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1806        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1807        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1808        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1809        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1810        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1811        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1812        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1813        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1814        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1815        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1816        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1817        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1818        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1819        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1820        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1821        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1822        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1823        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1824        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1825        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1826        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1827        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1828        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1829        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1830        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1831        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1832        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1833        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1834        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1835        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1836        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1837        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1838        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1839        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1840        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1841        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1842        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1843        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1844        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1845        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1846        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1847        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1848        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1849        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1850        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1851        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1852        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1853        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1854        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1855        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1856        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1857        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1858        { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
1859        { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1860        { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1861        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1862        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1863        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1864        { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1865        { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1866        { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1867        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1868        { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1869        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1870        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1871        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1872        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1873        { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
1874        { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
1875        { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1876        { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1877        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1878        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1879        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1880        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1881        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1882        { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
1883        { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1884        { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1885        { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
1886        { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
1887        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1888        { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1889        { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1890        { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1891        { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1892        { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1893        { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1894        { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1895        { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1896        { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1897        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1898        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1899        { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1900        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1901        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1902        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1903        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1904        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1905        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1906        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1907        { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1908        { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1909        { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1910        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1911        { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1912        { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1913        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1914        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1915        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1916        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1917        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1918        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1919        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
1920        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1921        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1922        { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1923        { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1924#if IS_ENABLED(CONFIG_HID_LENOVO)
1925        { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1926        { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1927        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1928        { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1929#endif
1930        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1931        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1932        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1933        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1934        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1935        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1936        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1937        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1938        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1939        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1940        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1941        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1942        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
1943        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1944        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1945        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1946        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1947        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
1948        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
1949        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1950        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1951        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1952        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1953        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1954        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1955        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1956        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1957        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1958        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1959        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1960#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1961        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1962        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1963#endif
1964        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1965        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1966        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1967        { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1968        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1969        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1970        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
1971        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1972        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
1973        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1974        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1975        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1976        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1977        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1978        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1979        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1980        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1981        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1982        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
1983        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
1984        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
1985        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_4_JP) },
1986        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
1987        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
1988        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
1989        { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1990        { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1991        { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1992        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1993        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1994        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1995        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1996        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1997        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1998        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1999        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2000        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2001        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2002        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2003        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2004        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2005        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2006        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2007        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2008        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2009        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2010        { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2011        { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2012        { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2013        { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2014        { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2015        { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2016        { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2017        { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2018#if IS_ENABLED(CONFIG_HID_ROCCAT)
2019        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2020        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2021        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2022        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2023        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2024        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2025        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2026        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2027        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2028        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2029        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2030        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2031        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2032        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2033        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2034        { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2035#endif
2036#if IS_ENABLED(CONFIG_HID_SAITEK)
2037        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2038        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2039        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2040        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
2041        { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2042        { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2043        { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2044#endif
2045        { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2046        { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2047        { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2048        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2049        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2050        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2051        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2052        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2053        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2054        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2055        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2056        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2057        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2058        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2059        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2060        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2061        { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2062        { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2063        { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2064        { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2065        { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2066        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2067        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2068        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2069        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2070        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2071        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2072        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2073        { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2074        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2075        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2076        { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2077        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2078        { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2079        { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2080        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2081        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2082        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2083        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2084        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2085        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2086        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2087        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2088        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2089        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2090        { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2091        { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
2092        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2093        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2094        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2095        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2096        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2097        { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2098        { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2099        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2100        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2101        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2102        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2103        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2104        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2105        { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2106        { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2107        { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2108        { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2109        { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2110        { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2111
2112        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2113        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2114        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2115        { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2116        { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
2117        { }
2118};
2119
2120struct hid_dynid {
2121        struct list_head list;
2122        struct hid_device_id id;
2123};
2124
2125/**
2126 * store_new_id - add a new HID device ID to this driver and re-probe devices
2127 * @driver: target device driver
2128 * @buf: buffer for scanning device ID data
2129 * @count: input size
2130 *
2131 * Adds a new dynamic hid device ID to this driver,
2132 * and causes the driver to probe for all devices again.
2133 */
2134static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2135                size_t count)
2136{
2137        struct hid_driver *hdrv = to_hid_driver(drv);
2138        struct hid_dynid *dynid;
2139        __u32 bus, vendor, product;
2140        unsigned long driver_data = 0;
2141        int ret;
2142
2143        ret = sscanf(buf, "%x %x %x %lx",
2144                        &bus, &vendor, &product, &driver_data);
2145        if (ret < 3)
2146                return -EINVAL;
2147
2148        dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2149        if (!dynid)
2150                return -ENOMEM;
2151
2152        dynid->id.bus = bus;
2153        dynid->id.group = HID_GROUP_ANY;
2154        dynid->id.vendor = vendor;
2155        dynid->id.product = product;
2156        dynid->id.driver_data = driver_data;
2157
2158        spin_lock(&hdrv->dyn_lock);
2159        list_add_tail(&dynid->list, &hdrv->dyn_list);
2160        spin_unlock(&hdrv->dyn_lock);
2161
2162        ret = driver_attach(&hdrv->driver);
2163
2164        return ret ? : count;
2165}
2166static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2167
2168static void hid_free_dynids(struct hid_driver *hdrv)
2169{
2170        struct hid_dynid *dynid, *n;
2171
2172        spin_lock(&hdrv->dyn_lock);
2173        list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2174                list_del(&dynid->list);
2175                kfree(dynid);
2176        }
2177        spin_unlock(&hdrv->dyn_lock);
2178}
2179
2180static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2181                struct hid_driver *hdrv)
2182{
2183        struct hid_dynid *dynid;
2184
2185        spin_lock(&hdrv->dyn_lock);
2186        list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2187                if (hid_match_one_id(hdev, &dynid->id)) {
2188                        spin_unlock(&hdrv->dyn_lock);
2189                        return &dynid->id;
2190                }
2191        }
2192        spin_unlock(&hdrv->dyn_lock);
2193
2194        return hid_match_id(hdev, hdrv->id_table);
2195}
2196
2197static int hid_bus_match(struct device *dev, struct device_driver *drv)
2198{
2199        struct hid_driver *hdrv = to_hid_driver(drv);
2200        struct hid_device *hdev = to_hid_device(dev);
2201
2202        return hid_match_device(hdev, hdrv) != NULL;
2203}
2204
2205static int hid_device_probe(struct device *dev)
2206{
2207        struct hid_driver *hdrv = to_hid_driver(dev->driver);
2208        struct hid_device *hdev = to_hid_device(dev);
2209        const struct hid_device_id *id;
2210        int ret = 0;
2211
2212        if (down_interruptible(&hdev->driver_lock))
2213                return -EINTR;
2214        if (down_interruptible(&hdev->driver_input_lock)) {
2215                ret = -EINTR;
2216                goto unlock_driver_lock;
2217        }
2218        hdev->io_started = false;
2219
2220        if (!hdev->driver) {
2221                id = hid_match_device(hdev, hdrv);
2222                if (id == NULL) {
2223                        ret = -ENODEV;
2224                        goto unlock;
2225                }
2226
2227                hdev->driver = hdrv;
2228                if (hdrv->probe) {
2229                        ret = hdrv->probe(hdev, id);
2230                } else { /* default probe */
2231                        ret = hid_open_report(hdev);
2232                        if (!ret)
2233                                ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2234                }
2235                if (ret) {
2236                        hid_close_report(hdev);
2237                        hdev->driver = NULL;
2238                }
2239        }
2240unlock:
2241        if (!hdev->io_started)
2242                up(&hdev->driver_input_lock);
2243unlock_driver_lock:
2244        up(&hdev->driver_lock);
2245        return ret;
2246}
2247
2248static int hid_device_remove(struct device *dev)
2249{
2250        struct hid_device *hdev = to_hid_device(dev);
2251        struct hid_driver *hdrv;
2252        int ret = 0;
2253
2254        if (down_interruptible(&hdev->driver_lock))
2255                return -EINTR;
2256        if (down_interruptible(&hdev->driver_input_lock)) {
2257                ret = -EINTR;
2258                goto unlock_driver_lock;
2259        }
2260        hdev->io_started = false;
2261
2262        hdrv = hdev->driver;
2263        if (hdrv) {
2264                if (hdrv->remove)
2265                        hdrv->remove(hdev);
2266                else /* default remove */
2267                        hid_hw_stop(hdev);
2268                hid_close_report(hdev);
2269                hdev->driver = NULL;
2270        }
2271
2272        if (!hdev->io_started)
2273                up(&hdev->driver_input_lock);
2274unlock_driver_lock:
2275        up(&hdev->driver_lock);
2276        return ret;
2277}
2278
2279static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2280                             char *buf)
2281{
2282        struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2283
2284        return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2285                         hdev->bus, hdev->group, hdev->vendor, hdev->product);
2286}
2287static DEVICE_ATTR_RO(modalias);
2288
2289static struct attribute *hid_dev_attrs[] = {
2290        &dev_attr_modalias.attr,
2291        NULL,
2292};
2293static struct bin_attribute *hid_dev_bin_attrs[] = {
2294        &dev_bin_attr_report_desc,
2295        NULL
2296};
2297static const struct attribute_group hid_dev_group = {
2298        .attrs = hid_dev_attrs,
2299        .bin_attrs = hid_dev_bin_attrs,
2300};
2301__ATTRIBUTE_GROUPS(hid_dev);
2302
2303static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2304{
2305        struct hid_device *hdev = to_hid_device(dev);   
2306
2307        if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2308                        hdev->bus, hdev->vendor, hdev->product))
2309                return -ENOMEM;
2310
2311        if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2312                return -ENOMEM;
2313
2314        if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2315                return -ENOMEM;
2316
2317        if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2318                return -ENOMEM;
2319
2320        if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2321                           hdev->bus, hdev->group, hdev->vendor, hdev->product))
2322                return -ENOMEM;
2323
2324        return 0;
2325}
2326
2327static struct bus_type hid_bus_type = {
2328        .name           = "hid",
2329        .dev_groups     = hid_dev_groups,
2330        .match          = hid_bus_match,
2331        .probe          = hid_device_probe,
2332        .remove         = hid_device_remove,
2333        .uevent         = hid_uevent,
2334};
2335
2336/* a list of devices that shouldn't be handled by HID core at all */
2337static const struct hid_device_id hid_ignore_list[] = {
2338        { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2339        { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2340        { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2341        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2342        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2343        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2344        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2345        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2346        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2347        { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2348        { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2349        { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2350        { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2351        { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2352        { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2353        { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2354        { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2355        { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2356        { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2357        { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2358        { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2359        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2360        { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2361        { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2362        { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2363        { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2364        { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2365        { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2366        { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2367        { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2368        { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2369        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2370        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2371        { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2372        { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2373        { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2374        { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2375        { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2376        { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2377        { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2378        { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2379        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2380        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2381        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2382        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2383        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2384        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2385        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2386        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2387        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2388        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2389        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2390        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2391        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2392        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2393        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2394        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2395        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2396        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2397        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2398        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2399        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2400        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2401        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2402        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2403        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2404        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2405        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2406        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2407        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2408        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2409        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2410        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2411        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2412        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2413        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2414        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2415        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2416        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2417        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2418        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2419        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2420        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2421        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2422        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2423        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2424        { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2425        { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2426        { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2427        { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2428        { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2429        { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2430        { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2431        { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2432        { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2433        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2434        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2435        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2436        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2437        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2438        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2439        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2440        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2441        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2442        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2443        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2444        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2445        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2446        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2447        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2448        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2449        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2450        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2451        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2452        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2453        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2454        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2455        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2456        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2457        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2458        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2459        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2460        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2461        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2462        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2463        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2464        { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2465        { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2466        { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2467        { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2468        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2469        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2470        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2471        { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2472        { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2473        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2474        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2475        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2476        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2477        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2478        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2479        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2480        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2481        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2482        { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2483        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2484        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2485        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2486        { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2487        { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2488        { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2489#if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
2490        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2491        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2492        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2493        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2494        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2495        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2496        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2497        { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2498#endif
2499        { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2500        { }
2501};
2502
2503/**
2504 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2505 *
2506 * There are composite devices for which we want to ignore only a certain
2507 * interface. This is a list of devices for which only the mouse interface will
2508 * be ignored. This allows a dedicated driver to take care of the interface.
2509 */
2510static const struct hid_device_id hid_mouse_ignore_list[] = {
2511        /* appletouch driver */
2512        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2513        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2514        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2515        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2516        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2517        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2518        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2519        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2520        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2521        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2522        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2523        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2524        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2525        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2526        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2527        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2528        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2529        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2530        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2531        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2532        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2533        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2534        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2535        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2536        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2537        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2538        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2539        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2540        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2541        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2542        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2543        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2544        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2545        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2546        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2547        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2548        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2549        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2550        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2551        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2552        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2553        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2554        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2555        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2556        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2557        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2558        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2559        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2560        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2561        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2562        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2563        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2564        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2565        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2566        { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2567        { }
2568};
2569
2570bool hid_ignore(struct hid_device *hdev)
2571{
2572        if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2573                return false;
2574        if (hdev->quirks & HID_QUIRK_IGNORE)
2575                return true;
2576
2577        switch (hdev->vendor) {
2578        case USB_VENDOR_ID_CODEMERCS:
2579                /* ignore all Code Mercenaries IOWarrior devices */
2580                if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2581                                hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2582                        return true;
2583                break;
2584        case USB_VENDOR_ID_LOGITECH:
2585                if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2586                                hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2587                        return true;
2588                /*
2589                 * The Keene FM transmitter USB device has the same USB ID as
2590                 * the Logitech AudioHub Speaker, but it should ignore the hid.
2591                 * Check if the name is that of the Keene device.
2592                 * For reference: the name of the AudioHub is
2593                 * "HOLTEK  AudioHub Speaker".
2594                 */
2595                if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2596                        !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2597                                return true;
2598                break;
2599        case USB_VENDOR_ID_SOUNDGRAPH:
2600                if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2601                    hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2602                        return true;
2603                break;
2604        case USB_VENDOR_ID_HANWANG:
2605                if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2606                    hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2607                        return true;
2608                break;
2609        case USB_VENDOR_ID_JESS:
2610                if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2611                                hdev->type == HID_TYPE_USBNONE)
2612                        return true;
2613                break;
2614        case USB_VENDOR_ID_VELLEMAN:
2615                /* These are not HID devices.  They are handled by comedi. */
2616                if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2617                     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2618                    (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2619                     hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2620                        return true;
2621                break;
2622        case USB_VENDOR_ID_ATMEL_V_USB:
2623                /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2624                 * it has the same USB ID as many Atmel V-USB devices. This
2625                 * usb radio is handled by radio-ma901.c driver so we want
2626                 * ignore the hid. Check the name, bus, product and ignore
2627                 * if we have MA901 usb radio.
2628                 */
2629                if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2630                        hdev->bus == BUS_USB &&
2631                        strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2632                        return true;
2633                break;
2634        }
2635
2636        if (hdev->type == HID_TYPE_USBMOUSE &&
2637                        hid_match_id(hdev, hid_mouse_ignore_list))
2638                return true;
2639
2640        return !!hid_match_id(hdev, hid_ignore_list);
2641}
2642EXPORT_SYMBOL_GPL(hid_ignore);
2643
2644int hid_add_device(struct hid_device *hdev)
2645{
2646        static atomic_t id = ATOMIC_INIT(0);
2647        int ret;
2648
2649        if (WARN_ON(hdev->status & HID_STAT_ADDED))
2650                return -EBUSY;
2651
2652        /* we need to kill them here, otherwise they will stay allocated to
2653         * wait for coming driver */
2654        if (hid_ignore(hdev))
2655                return -ENODEV;
2656
2657        /*
2658         * Check for the mandatory transport channel.
2659         */
2660         if (!hdev->ll_driver->raw_request) {
2661                hid_err(hdev, "transport driver missing .raw_request()\n");
2662                return -EINVAL;
2663         }
2664
2665        /*
2666         * Read the device report descriptor once and use as template
2667         * for the driver-specific modifications.
2668         */
2669        ret = hdev->ll_driver->parse(hdev);
2670        if (ret)
2671                return ret;
2672        if (!hdev->dev_rdesc)
2673                return -ENODEV;
2674
2675        /*
2676         * Scan generic devices for group information
2677         */
2678        if (hid_ignore_special_drivers) {
2679                hdev->group = HID_GROUP_GENERIC;
2680        } else if (!hdev->group &&
2681                   !hid_match_id(hdev, hid_have_special_driver)) {
2682                ret = hid_scan_report(hdev);
2683                if (ret)
2684                        hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2685        }
2686
2687        /* XXX hack, any other cleaner solution after the driver core
2688         * is converted to allow more than 20 bytes as the device name? */
2689        dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2690                     hdev->vendor, hdev->product, atomic_inc_return(&id));
2691
2692        hid_debug_register(hdev, dev_name(&hdev->dev));
2693        ret = device_add(&hdev->dev);
2694        if (!ret)
2695                hdev->status |= HID_STAT_ADDED;
2696        else
2697                hid_debug_unregister(hdev);
2698
2699        return ret;
2700}
2701EXPORT_SYMBOL_GPL(hid_add_device);
2702
2703/**
2704 * hid_allocate_device - allocate new hid device descriptor
2705 *
2706 * Allocate and initialize hid device, so that hid_destroy_device might be
2707 * used to free it.
2708 *
2709 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2710 * error value.
2711 */
2712struct hid_device *hid_allocate_device(void)
2713{
2714        struct hid_device *hdev;
2715        int ret = -ENOMEM;
2716
2717        hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2718        if (hdev == NULL)
2719                return ERR_PTR(ret);
2720
2721        device_initialize(&hdev->dev);
2722        hdev->dev.release = hid_device_release;
2723        hdev->dev.bus = &hid_bus_type;
2724        device_enable_async_suspend(&hdev->dev);
2725
2726        hid_close_report(hdev);
2727
2728        init_waitqueue_head(&hdev->debug_wait);
2729        INIT_LIST_HEAD(&hdev->debug_list);
2730        spin_lock_init(&hdev->debug_list_lock);
2731        sema_init(&hdev->driver_lock, 1);
2732        sema_init(&hdev->driver_input_lock, 1);
2733
2734        return hdev;
2735}
2736EXPORT_SYMBOL_GPL(hid_allocate_device);
2737
2738static void hid_remove_device(struct hid_device *hdev)
2739{
2740        if (hdev->status & HID_STAT_ADDED) {
2741                device_del(&hdev->dev);
2742                hid_debug_unregister(hdev);
2743                hdev->status &= ~HID_STAT_ADDED;
2744        }
2745        kfree(hdev->dev_rdesc);
2746        hdev->dev_rdesc = NULL;
2747        hdev->dev_rsize = 0;
2748}
2749
2750/**
2751 * hid_destroy_device - free previously allocated device
2752 *
2753 * @hdev: hid device
2754 *
2755 * If you allocate hid_device through hid_allocate_device, you should ever
2756 * free by this function.
2757 */
2758void hid_destroy_device(struct hid_device *hdev)
2759{
2760        hid_remove_device(hdev);
2761        put_device(&hdev->dev);
2762}
2763EXPORT_SYMBOL_GPL(hid_destroy_device);
2764
2765int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2766                const char *mod_name)
2767{
2768        int ret;
2769
2770        hdrv->driver.name = hdrv->name;
2771        hdrv->driver.bus = &hid_bus_type;
2772        hdrv->driver.owner = owner;
2773        hdrv->driver.mod_name = mod_name;
2774
2775        INIT_LIST_HEAD(&hdrv->dyn_list);
2776        spin_lock_init(&hdrv->dyn_lock);
2777
2778        ret = driver_register(&hdrv->driver);
2779        if (ret)
2780                return ret;
2781
2782        ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2783        if (ret)
2784                driver_unregister(&hdrv->driver);
2785
2786        return ret;
2787}
2788EXPORT_SYMBOL_GPL(__hid_register_driver);
2789
2790void hid_unregister_driver(struct hid_driver *hdrv)
2791{
2792        driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2793        driver_unregister(&hdrv->driver);
2794        hid_free_dynids(hdrv);
2795}
2796EXPORT_SYMBOL_GPL(hid_unregister_driver);
2797
2798int hid_check_keys_pressed(struct hid_device *hid)
2799{
2800        struct hid_input *hidinput;
2801        int i;
2802
2803        if (!(hid->claimed & HID_CLAIMED_INPUT))
2804                return 0;
2805
2806        list_for_each_entry(hidinput, &hid->inputs, list) {
2807                for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2808                        if (hidinput->input->key[i])
2809                                return 1;
2810        }
2811
2812        return 0;
2813}
2814
2815EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2816
2817static int __init hid_init(void)
2818{
2819        int ret;
2820
2821        if (hid_debug)
2822                pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2823                        "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2824
2825        ret = bus_register(&hid_bus_type);
2826        if (ret) {
2827                pr_err("can't register hid bus\n");
2828                goto err;
2829        }
2830
2831        ret = hidraw_init();
2832        if (ret)
2833                goto err_bus;
2834
2835        hid_debug_init();
2836
2837        return 0;
2838err_bus:
2839        bus_unregister(&hid_bus_type);
2840err:
2841        return ret;
2842}
2843
2844static void __exit hid_exit(void)
2845{
2846        hid_debug_exit();
2847        hidraw_exit();
2848        bus_unregister(&hid_bus_type);
2849}
2850
2851module_init(hid_init);
2852module_exit(hid_exit);
2853
2854MODULE_AUTHOR("Andreas Gal");
2855MODULE_AUTHOR("Vojtech Pavlik");
2856MODULE_AUTHOR("Jiri Kosina");
2857MODULE_LICENSE(DRIVER_LICENSE);
2858
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