Merge tag 'sound-4.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[sfrench/cifs-2.6.git] / drivers / hid / hid-core.c
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
47 int hid_debug = 0;
48 module_param_named(debug, hid_debug, int, 0600);
49 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
50 EXPORT_SYMBOL_GPL(hid_debug);
51
52 static int hid_ignore_special_drivers = 0;
53 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
54 MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
55
56 /*
57  * Register a new report for a device.
58  */
59
60 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
61 {
62         struct hid_report_enum *report_enum = device->report_enum + type;
63         struct hid_report *report;
64
65         if (id >= HID_MAX_IDS)
66                 return NULL;
67         if (report_enum->report_id_hash[id])
68                 return report_enum->report_id_hash[id];
69
70         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
71         if (!report)
72                 return NULL;
73
74         if (id != 0)
75                 report_enum->numbered = 1;
76
77         report->id = id;
78         report->type = type;
79         report->size = 0;
80         report->device = device;
81         report_enum->report_id_hash[id] = report;
82
83         list_add_tail(&report->list, &report_enum->report_list);
84
85         return report;
86 }
87 EXPORT_SYMBOL_GPL(hid_register_report);
88
89 /*
90  * Register a new field for this report.
91  */
92
93 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
94 {
95         struct hid_field *field;
96
97         if (report->maxfield == HID_MAX_FIELDS) {
98                 hid_err(report->device, "too many fields in report\n");
99                 return NULL;
100         }
101
102         field = kzalloc((sizeof(struct hid_field) +
103                          usages * sizeof(struct hid_usage) +
104                          values * sizeof(unsigned)), GFP_KERNEL);
105         if (!field)
106                 return NULL;
107
108         field->index = report->maxfield++;
109         report->field[field->index] = field;
110         field->usage = (struct hid_usage *)(field + 1);
111         field->value = (s32 *)(field->usage + usages);
112         field->report = report;
113
114         return field;
115 }
116
117 /*
118  * Open a collection. The type/usage is pushed on the stack.
119  */
120
121 static int open_collection(struct hid_parser *parser, unsigned type)
122 {
123         struct hid_collection *collection;
124         unsigned usage;
125
126         usage = parser->local.usage[0];
127
128         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
129                 hid_err(parser->device, "collection stack overflow\n");
130                 return -EINVAL;
131         }
132
133         if (parser->device->maxcollection == parser->device->collection_size) {
134                 collection = kmalloc(sizeof(struct hid_collection) *
135                                 parser->device->collection_size * 2, GFP_KERNEL);
136                 if (collection == NULL) {
137                         hid_err(parser->device, "failed to reallocate collection array\n");
138                         return -ENOMEM;
139                 }
140                 memcpy(collection, parser->device->collection,
141                         sizeof(struct hid_collection) *
142                         parser->device->collection_size);
143                 memset(collection + parser->device->collection_size, 0,
144                         sizeof(struct hid_collection) *
145                         parser->device->collection_size);
146                 kfree(parser->device->collection);
147                 parser->device->collection = collection;
148                 parser->device->collection_size *= 2;
149         }
150
151         parser->collection_stack[parser->collection_stack_ptr++] =
152                 parser->device->maxcollection;
153
154         collection = parser->device->collection +
155                 parser->device->maxcollection++;
156         collection->type = type;
157         collection->usage = usage;
158         collection->level = parser->collection_stack_ptr - 1;
159
160         if (type == HID_COLLECTION_APPLICATION)
161                 parser->device->maxapplication++;
162
163         return 0;
164 }
165
166 /*
167  * Close a collection.
168  */
169
170 static int close_collection(struct hid_parser *parser)
171 {
172         if (!parser->collection_stack_ptr) {
173                 hid_err(parser->device, "collection stack underflow\n");
174                 return -EINVAL;
175         }
176         parser->collection_stack_ptr--;
177         return 0;
178 }
179
180 /*
181  * Climb up the stack, search for the specified collection type
182  * and return the usage.
183  */
184
185 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
186 {
187         struct hid_collection *collection = parser->device->collection;
188         int n;
189
190         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
191                 unsigned index = parser->collection_stack[n];
192                 if (collection[index].type == type)
193                         return collection[index].usage;
194         }
195         return 0; /* we know nothing about this usage type */
196 }
197
198 /*
199  * Add a usage to the temporary parser table.
200  */
201
202 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
203 {
204         if (parser->local.usage_index >= HID_MAX_USAGES) {
205                 hid_err(parser->device, "usage index exceeded\n");
206                 return -1;
207         }
208         parser->local.usage[parser->local.usage_index] = usage;
209         parser->local.collection_index[parser->local.usage_index] =
210                 parser->collection_stack_ptr ?
211                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
212         parser->local.usage_index++;
213         return 0;
214 }
215
216 /*
217  * Register a new field for this report.
218  */
219
220 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
221 {
222         struct hid_report *report;
223         struct hid_field *field;
224         unsigned usages;
225         unsigned offset;
226         unsigned i;
227
228         report = hid_register_report(parser->device, report_type, parser->global.report_id);
229         if (!report) {
230                 hid_err(parser->device, "hid_register_report failed\n");
231                 return -1;
232         }
233
234         /* Handle both signed and unsigned cases properly */
235         if ((parser->global.logical_minimum < 0 &&
236                 parser->global.logical_maximum <
237                 parser->global.logical_minimum) ||
238                 (parser->global.logical_minimum >= 0 &&
239                 (__u32)parser->global.logical_maximum <
240                 (__u32)parser->global.logical_minimum)) {
241                 dbg_hid("logical range invalid 0x%x 0x%x\n",
242                         parser->global.logical_minimum,
243                         parser->global.logical_maximum);
244                 return -1;
245         }
246
247         offset = report->size;
248         report->size += parser->global.report_size * parser->global.report_count;
249
250         if (!parser->local.usage_index) /* Ignore padding fields */
251                 return 0;
252
253         usages = max_t(unsigned, parser->local.usage_index,
254                                  parser->global.report_count);
255
256         field = hid_register_field(report, usages, parser->global.report_count);
257         if (!field)
258                 return 0;
259
260         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
261         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
262         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
263
264         for (i = 0; i < usages; i++) {
265                 unsigned j = i;
266                 /* Duplicate the last usage we parsed if we have excess values */
267                 if (i >= parser->local.usage_index)
268                         j = parser->local.usage_index - 1;
269                 field->usage[i].hid = parser->local.usage[j];
270                 field->usage[i].collection_index =
271                         parser->local.collection_index[j];
272                 field->usage[i].usage_index = i;
273         }
274
275         field->maxusage = usages;
276         field->flags = flags;
277         field->report_offset = offset;
278         field->report_type = report_type;
279         field->report_size = parser->global.report_size;
280         field->report_count = parser->global.report_count;
281         field->logical_minimum = parser->global.logical_minimum;
282         field->logical_maximum = parser->global.logical_maximum;
283         field->physical_minimum = parser->global.physical_minimum;
284         field->physical_maximum = parser->global.physical_maximum;
285         field->unit_exponent = parser->global.unit_exponent;
286         field->unit = parser->global.unit;
287
288         return 0;
289 }
290
291 /*
292  * Read data value from item.
293  */
294
295 static u32 item_udata(struct hid_item *item)
296 {
297         switch (item->size) {
298         case 1: return item->data.u8;
299         case 2: return item->data.u16;
300         case 4: return item->data.u32;
301         }
302         return 0;
303 }
304
305 static s32 item_sdata(struct hid_item *item)
306 {
307         switch (item->size) {
308         case 1: return item->data.s8;
309         case 2: return item->data.s16;
310         case 4: return item->data.s32;
311         }
312         return 0;
313 }
314
315 /*
316  * Process a global item.
317  */
318
319 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
320 {
321         __s32 raw_value;
322         switch (item->tag) {
323         case HID_GLOBAL_ITEM_TAG_PUSH:
324
325                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
326                         hid_err(parser->device, "global environment stack overflow\n");
327                         return -1;
328                 }
329
330                 memcpy(parser->global_stack + parser->global_stack_ptr++,
331                         &parser->global, sizeof(struct hid_global));
332                 return 0;
333
334         case HID_GLOBAL_ITEM_TAG_POP:
335
336                 if (!parser->global_stack_ptr) {
337                         hid_err(parser->device, "global environment stack underflow\n");
338                         return -1;
339                 }
340
341                 memcpy(&parser->global, parser->global_stack +
342                         --parser->global_stack_ptr, sizeof(struct hid_global));
343                 return 0;
344
345         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
346                 parser->global.usage_page = item_udata(item);
347                 return 0;
348
349         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
350                 parser->global.logical_minimum = item_sdata(item);
351                 return 0;
352
353         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
354                 if (parser->global.logical_minimum < 0)
355                         parser->global.logical_maximum = item_sdata(item);
356                 else
357                         parser->global.logical_maximum = item_udata(item);
358                 return 0;
359
360         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
361                 parser->global.physical_minimum = item_sdata(item);
362                 return 0;
363
364         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
365                 if (parser->global.physical_minimum < 0)
366                         parser->global.physical_maximum = item_sdata(item);
367                 else
368                         parser->global.physical_maximum = item_udata(item);
369                 return 0;
370
371         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
372                 /* Many devices provide unit exponent as a two's complement
373                  * nibble due to the common misunderstanding of HID
374                  * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
375                  * both this and the standard encoding. */
376                 raw_value = item_sdata(item);
377                 if (!(raw_value & 0xfffffff0))
378                         parser->global.unit_exponent = hid_snto32(raw_value, 4);
379                 else
380                         parser->global.unit_exponent = raw_value;
381                 return 0;
382
383         case HID_GLOBAL_ITEM_TAG_UNIT:
384                 parser->global.unit = item_udata(item);
385                 return 0;
386
387         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
388                 parser->global.report_size = item_udata(item);
389                 if (parser->global.report_size > 128) {
390                         hid_err(parser->device, "invalid report_size %d\n",
391                                         parser->global.report_size);
392                         return -1;
393                 }
394                 return 0;
395
396         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
397                 parser->global.report_count = item_udata(item);
398                 if (parser->global.report_count > HID_MAX_USAGES) {
399                         hid_err(parser->device, "invalid report_count %d\n",
400                                         parser->global.report_count);
401                         return -1;
402                 }
403                 return 0;
404
405         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
406                 parser->global.report_id = item_udata(item);
407                 if (parser->global.report_id == 0 ||
408                     parser->global.report_id >= HID_MAX_IDS) {
409                         hid_err(parser->device, "report_id %u is invalid\n",
410                                 parser->global.report_id);
411                         return -1;
412                 }
413                 return 0;
414
415         default:
416                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
417                 return -1;
418         }
419 }
420
421 /*
422  * Process a local item.
423  */
424
425 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
426 {
427         __u32 data;
428         unsigned n;
429         __u32 count;
430
431         data = item_udata(item);
432
433         switch (item->tag) {
434         case HID_LOCAL_ITEM_TAG_DELIMITER:
435
436                 if (data) {
437                         /*
438                          * We treat items before the first delimiter
439                          * as global to all usage sets (branch 0).
440                          * In the moment we process only these global
441                          * items and the first delimiter set.
442                          */
443                         if (parser->local.delimiter_depth != 0) {
444                                 hid_err(parser->device, "nested delimiters\n");
445                                 return -1;
446                         }
447                         parser->local.delimiter_depth++;
448                         parser->local.delimiter_branch++;
449                 } else {
450                         if (parser->local.delimiter_depth < 1) {
451                                 hid_err(parser->device, "bogus close delimiter\n");
452                                 return -1;
453                         }
454                         parser->local.delimiter_depth--;
455                 }
456                 return 0;
457
458         case HID_LOCAL_ITEM_TAG_USAGE:
459
460                 if (parser->local.delimiter_branch > 1) {
461                         dbg_hid("alternative usage ignored\n");
462                         return 0;
463                 }
464
465                 if (item->size <= 2)
466                         data = (parser->global.usage_page << 16) + data;
467
468                 return hid_add_usage(parser, data);
469
470         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471
472                 if (parser->local.delimiter_branch > 1) {
473                         dbg_hid("alternative usage ignored\n");
474                         return 0;
475                 }
476
477                 if (item->size <= 2)
478                         data = (parser->global.usage_page << 16) + data;
479
480                 parser->local.usage_minimum = data;
481                 return 0;
482
483         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484
485                 if (parser->local.delimiter_branch > 1) {
486                         dbg_hid("alternative usage ignored\n");
487                         return 0;
488                 }
489
490                 if (item->size <= 2)
491                         data = (parser->global.usage_page << 16) + data;
492
493                 count = data - parser->local.usage_minimum;
494                 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
495                         /*
496                          * We do not warn if the name is not set, we are
497                          * actually pre-scanning the device.
498                          */
499                         if (dev_name(&parser->device->dev))
500                                 hid_warn(parser->device,
501                                          "ignoring exceeding usage max\n");
502                         data = HID_MAX_USAGES - parser->local.usage_index +
503                                 parser->local.usage_minimum - 1;
504                         if (data <= 0) {
505                                 hid_err(parser->device,
506                                         "no more usage index available\n");
507                                 return -1;
508                         }
509                 }
510
511                 for (n = parser->local.usage_minimum; n <= data; n++)
512                         if (hid_add_usage(parser, n)) {
513                                 dbg_hid("hid_add_usage failed\n");
514                                 return -1;
515                         }
516                 return 0;
517
518         default:
519
520                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
521                 return 0;
522         }
523         return 0;
524 }
525
526 /*
527  * Process a main item.
528  */
529
530 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
531 {
532         __u32 data;
533         int ret;
534
535         data = item_udata(item);
536
537         switch (item->tag) {
538         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
539                 ret = open_collection(parser, data & 0xff);
540                 break;
541         case HID_MAIN_ITEM_TAG_END_COLLECTION:
542                 ret = close_collection(parser);
543                 break;
544         case HID_MAIN_ITEM_TAG_INPUT:
545                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
546                 break;
547         case HID_MAIN_ITEM_TAG_OUTPUT:
548                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
549                 break;
550         case HID_MAIN_ITEM_TAG_FEATURE:
551                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
552                 break;
553         default:
554                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
555                 ret = 0;
556         }
557
558         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
559
560         return ret;
561 }
562
563 /*
564  * Process a reserved item.
565  */
566
567 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
568 {
569         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
570         return 0;
571 }
572
573 /*
574  * Free a report and all registered fields. The field->usage and
575  * field->value table's are allocated behind the field, so we need
576  * only to free(field) itself.
577  */
578
579 static void hid_free_report(struct hid_report *report)
580 {
581         unsigned n;
582
583         for (n = 0; n < report->maxfield; n++)
584                 kfree(report->field[n]);
585         kfree(report);
586 }
587
588 /*
589  * Close report. This function returns the device
590  * state to the point prior to hid_open_report().
591  */
592 static void hid_close_report(struct hid_device *device)
593 {
594         unsigned i, j;
595
596         for (i = 0; i < HID_REPORT_TYPES; i++) {
597                 struct hid_report_enum *report_enum = device->report_enum + i;
598
599                 for (j = 0; j < HID_MAX_IDS; j++) {
600                         struct hid_report *report = report_enum->report_id_hash[j];
601                         if (report)
602                                 hid_free_report(report);
603                 }
604                 memset(report_enum, 0, sizeof(*report_enum));
605                 INIT_LIST_HEAD(&report_enum->report_list);
606         }
607
608         kfree(device->rdesc);
609         device->rdesc = NULL;
610         device->rsize = 0;
611
612         kfree(device->collection);
613         device->collection = NULL;
614         device->collection_size = 0;
615         device->maxcollection = 0;
616         device->maxapplication = 0;
617
618         device->status &= ~HID_STAT_PARSED;
619 }
620
621 /*
622  * Free a device structure, all reports, and all fields.
623  */
624
625 static void hid_device_release(struct device *dev)
626 {
627         struct hid_device *hid = to_hid_device(dev);
628
629         hid_close_report(hid);
630         kfree(hid->dev_rdesc);
631         kfree(hid);
632 }
633
634 /*
635  * Fetch a report description item from the data stream. We support long
636  * items, though they are not used yet.
637  */
638
639 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
640 {
641         u8 b;
642
643         if ((end - start) <= 0)
644                 return NULL;
645
646         b = *start++;
647
648         item->type = (b >> 2) & 3;
649         item->tag  = (b >> 4) & 15;
650
651         if (item->tag == HID_ITEM_TAG_LONG) {
652
653                 item->format = HID_ITEM_FORMAT_LONG;
654
655                 if ((end - start) < 2)
656                         return NULL;
657
658                 item->size = *start++;
659                 item->tag  = *start++;
660
661                 if ((end - start) < item->size)
662                         return NULL;
663
664                 item->data.longdata = start;
665                 start += item->size;
666                 return start;
667         }
668
669         item->format = HID_ITEM_FORMAT_SHORT;
670         item->size = b & 3;
671
672         switch (item->size) {
673         case 0:
674                 return start;
675
676         case 1:
677                 if ((end - start) < 1)
678                         return NULL;
679                 item->data.u8 = *start++;
680                 return start;
681
682         case 2:
683                 if ((end - start) < 2)
684                         return NULL;
685                 item->data.u16 = get_unaligned_le16(start);
686                 start = (__u8 *)((__le16 *)start + 1);
687                 return start;
688
689         case 3:
690                 item->size++;
691                 if ((end - start) < 4)
692                         return NULL;
693                 item->data.u32 = get_unaligned_le32(start);
694                 start = (__u8 *)((__le32 *)start + 1);
695                 return start;
696         }
697
698         return NULL;
699 }
700
701 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
702 {
703         struct hid_device *hid = parser->device;
704
705         if (usage == HID_DG_CONTACTID)
706                 hid->group = HID_GROUP_MULTITOUCH;
707 }
708
709 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
710 {
711         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
712             parser->global.report_size == 8)
713                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
714 }
715
716 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
717 {
718         struct hid_device *hid = parser->device;
719         int i;
720
721         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
722             type == HID_COLLECTION_PHYSICAL)
723                 hid->group = HID_GROUP_SENSOR_HUB;
724
725         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
726             hid->product == USB_DEVICE_ID_MS_POWER_COVER &&
727             hid->group == HID_GROUP_MULTITOUCH)
728                 hid->group = HID_GROUP_GENERIC;
729
730         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
731                 for (i = 0; i < parser->local.usage_index; i++)
732                         if (parser->local.usage[i] == HID_GD_POINTER)
733                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
734
735         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
736                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
737 }
738
739 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
740 {
741         __u32 data;
742         int i;
743
744         data = item_udata(item);
745
746         switch (item->tag) {
747         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
748                 hid_scan_collection(parser, data & 0xff);
749                 break;
750         case HID_MAIN_ITEM_TAG_END_COLLECTION:
751                 break;
752         case HID_MAIN_ITEM_TAG_INPUT:
753                 /* ignore constant inputs, they will be ignored by hid-input */
754                 if (data & HID_MAIN_ITEM_CONSTANT)
755                         break;
756                 for (i = 0; i < parser->local.usage_index; i++)
757                         hid_scan_input_usage(parser, parser->local.usage[i]);
758                 break;
759         case HID_MAIN_ITEM_TAG_OUTPUT:
760                 break;
761         case HID_MAIN_ITEM_TAG_FEATURE:
762                 for (i = 0; i < parser->local.usage_index; i++)
763                         hid_scan_feature_usage(parser, parser->local.usage[i]);
764                 break;
765         }
766
767         /* Reset the local parser environment */
768         memset(&parser->local, 0, sizeof(parser->local));
769
770         return 0;
771 }
772
773 /*
774  * Scan a report descriptor before the device is added to the bus.
775  * Sets device groups and other properties that determine what driver
776  * to load.
777  */
778 static int hid_scan_report(struct hid_device *hid)
779 {
780         struct hid_parser *parser;
781         struct hid_item item;
782         __u8 *start = hid->dev_rdesc;
783         __u8 *end = start + hid->dev_rsize;
784         static int (*dispatch_type[])(struct hid_parser *parser,
785                                       struct hid_item *item) = {
786                 hid_scan_main,
787                 hid_parser_global,
788                 hid_parser_local,
789                 hid_parser_reserved
790         };
791
792         parser = vzalloc(sizeof(struct hid_parser));
793         if (!parser)
794                 return -ENOMEM;
795
796         parser->device = hid;
797         hid->group = HID_GROUP_GENERIC;
798
799         /*
800          * The parsing is simpler than the one in hid_open_report() as we should
801          * be robust against hid errors. Those errors will be raised by
802          * hid_open_report() anyway.
803          */
804         while ((start = fetch_item(start, end, &item)) != NULL)
805                 dispatch_type[item.type](parser, &item);
806
807         /*
808          * Handle special flags set during scanning.
809          */
810         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
811             (hid->group == HID_GROUP_MULTITOUCH))
812                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
813
814         /*
815          * Vendor specific handlings
816          */
817         switch (hid->vendor) {
818         case USB_VENDOR_ID_WACOM:
819                 hid->group = HID_GROUP_WACOM;
820                 break;
821         case USB_VENDOR_ID_SYNAPTICS:
822                 if (hid->group == HID_GROUP_GENERIC)
823                         if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
824                             && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
825                                 /*
826                                  * hid-rmi should take care of them,
827                                  * not hid-generic
828                                  */
829                                 hid->group = HID_GROUP_RMI;
830                 break;
831         }
832
833         /* fall back to generic driver in case specific driver doesn't exist */
834         switch (hid->group) {
835         case HID_GROUP_MULTITOUCH_WIN_8:
836                 /* fall-through */
837         case HID_GROUP_MULTITOUCH:
838                 if (!IS_ENABLED(CONFIG_HID_MULTITOUCH))
839                         hid->group = HID_GROUP_GENERIC;
840                 break;
841         case HID_GROUP_SENSOR_HUB:
842                 if (!IS_ENABLED(CONFIG_HID_SENSOR_HUB))
843                         hid->group = HID_GROUP_GENERIC;
844                 break;
845         case HID_GROUP_RMI:
846                 if (!IS_ENABLED(CONFIG_HID_RMI))
847                         hid->group = HID_GROUP_GENERIC;
848                 break;
849         case HID_GROUP_WACOM:
850                 if (!IS_ENABLED(CONFIG_HID_WACOM))
851                         hid->group = HID_GROUP_GENERIC;
852                 break;
853         case HID_GROUP_LOGITECH_DJ_DEVICE:
854                 if (!IS_ENABLED(CONFIG_HID_LOGITECH_DJ))
855                         hid->group = HID_GROUP_GENERIC;
856                 break;
857         }
858         vfree(parser);
859         return 0;
860 }
861
862 /**
863  * hid_parse_report - parse device report
864  *
865  * @device: hid device
866  * @start: report start
867  * @size: report size
868  *
869  * Allocate the device report as read by the bus driver. This function should
870  * only be called from parse() in ll drivers.
871  */
872 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
873 {
874         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
875         if (!hid->dev_rdesc)
876                 return -ENOMEM;
877         hid->dev_rsize = size;
878         return 0;
879 }
880 EXPORT_SYMBOL_GPL(hid_parse_report);
881
882 static const char * const hid_report_names[] = {
883         "HID_INPUT_REPORT",
884         "HID_OUTPUT_REPORT",
885         "HID_FEATURE_REPORT",
886 };
887 /**
888  * hid_validate_values - validate existing device report's value indexes
889  *
890  * @device: hid device
891  * @type: which report type to examine
892  * @id: which report ID to examine (0 for first)
893  * @field_index: which report field to examine
894  * @report_counts: expected number of values
895  *
896  * Validate the number of values in a given field of a given report, after
897  * parsing.
898  */
899 struct hid_report *hid_validate_values(struct hid_device *hid,
900                                        unsigned int type, unsigned int id,
901                                        unsigned int field_index,
902                                        unsigned int report_counts)
903 {
904         struct hid_report *report;
905
906         if (type > HID_FEATURE_REPORT) {
907                 hid_err(hid, "invalid HID report type %u\n", type);
908                 return NULL;
909         }
910
911         if (id >= HID_MAX_IDS) {
912                 hid_err(hid, "invalid HID report id %u\n", id);
913                 return NULL;
914         }
915
916         /*
917          * Explicitly not using hid_get_report() here since it depends on
918          * ->numbered being checked, which may not always be the case when
919          * drivers go to access report values.
920          */
921         if (id == 0) {
922                 /*
923                  * Validating on id 0 means we should examine the first
924                  * report in the list.
925                  */
926                 report = list_entry(
927                                 hid->report_enum[type].report_list.next,
928                                 struct hid_report, list);
929         } else {
930                 report = hid->report_enum[type].report_id_hash[id];
931         }
932         if (!report) {
933                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
934                 return NULL;
935         }
936         if (report->maxfield <= field_index) {
937                 hid_err(hid, "not enough fields in %s %u\n",
938                         hid_report_names[type], id);
939                 return NULL;
940         }
941         if (report->field[field_index]->report_count < report_counts) {
942                 hid_err(hid, "not enough values in %s %u field %u\n",
943                         hid_report_names[type], id, field_index);
944                 return NULL;
945         }
946         return report;
947 }
948 EXPORT_SYMBOL_GPL(hid_validate_values);
949
950 /**
951  * hid_open_report - open a driver-specific device report
952  *
953  * @device: hid device
954  *
955  * Parse a report description into a hid_device structure. Reports are
956  * enumerated, fields are attached to these reports.
957  * 0 returned on success, otherwise nonzero error value.
958  *
959  * This function (or the equivalent hid_parse() macro) should only be
960  * called from probe() in drivers, before starting the device.
961  */
962 int hid_open_report(struct hid_device *device)
963 {
964         struct hid_parser *parser;
965         struct hid_item item;
966         unsigned int size;
967         __u8 *start;
968         __u8 *buf;
969         __u8 *end;
970         int ret;
971         static int (*dispatch_type[])(struct hid_parser *parser,
972                                       struct hid_item *item) = {
973                 hid_parser_main,
974                 hid_parser_global,
975                 hid_parser_local,
976                 hid_parser_reserved
977         };
978
979         if (WARN_ON(device->status & HID_STAT_PARSED))
980                 return -EBUSY;
981
982         start = device->dev_rdesc;
983         if (WARN_ON(!start))
984                 return -ENODEV;
985         size = device->dev_rsize;
986
987         buf = kmemdup(start, size, GFP_KERNEL);
988         if (buf == NULL)
989                 return -ENOMEM;
990
991         if (device->driver->report_fixup)
992                 start = device->driver->report_fixup(device, buf, &size);
993         else
994                 start = buf;
995
996         start = kmemdup(start, size, GFP_KERNEL);
997         kfree(buf);
998         if (start == NULL)
999                 return -ENOMEM;
1000
1001         device->rdesc = start;
1002         device->rsize = size;
1003
1004         parser = vzalloc(sizeof(struct hid_parser));
1005         if (!parser) {
1006                 ret = -ENOMEM;
1007                 goto err;
1008         }
1009
1010         parser->device = device;
1011
1012         end = start + size;
1013
1014         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
1015                                      sizeof(struct hid_collection), GFP_KERNEL);
1016         if (!device->collection) {
1017                 ret = -ENOMEM;
1018                 goto err;
1019         }
1020         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1021
1022         ret = -EINVAL;
1023         while ((start = fetch_item(start, end, &item)) != NULL) {
1024
1025                 if (item.format != HID_ITEM_FORMAT_SHORT) {
1026                         hid_err(device, "unexpected long global item\n");
1027                         goto err;
1028                 }
1029
1030                 if (dispatch_type[item.type](parser, &item)) {
1031                         hid_err(device, "item %u %u %u %u parsing failed\n",
1032                                 item.format, (unsigned)item.size,
1033                                 (unsigned)item.type, (unsigned)item.tag);
1034                         goto err;
1035                 }
1036
1037                 if (start == end) {
1038                         if (parser->collection_stack_ptr) {
1039                                 hid_err(device, "unbalanced collection at end of report description\n");
1040                                 goto err;
1041                         }
1042                         if (parser->local.delimiter_depth) {
1043                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1044                                 goto err;
1045                         }
1046                         vfree(parser);
1047                         device->status |= HID_STAT_PARSED;
1048                         return 0;
1049                 }
1050         }
1051
1052         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1053 err:
1054         vfree(parser);
1055         hid_close_report(device);
1056         return ret;
1057 }
1058 EXPORT_SYMBOL_GPL(hid_open_report);
1059
1060 /*
1061  * Convert a signed n-bit integer to signed 32-bit integer. Common
1062  * cases are done through the compiler, the screwed things has to be
1063  * done by hand.
1064  */
1065
1066 static s32 snto32(__u32 value, unsigned n)
1067 {
1068         switch (n) {
1069         case 8:  return ((__s8)value);
1070         case 16: return ((__s16)value);
1071         case 32: return ((__s32)value);
1072         }
1073         return value & (1 << (n - 1)) ? value | (~0U << n) : value;
1074 }
1075
1076 s32 hid_snto32(__u32 value, unsigned n)
1077 {
1078         return snto32(value, n);
1079 }
1080 EXPORT_SYMBOL_GPL(hid_snto32);
1081
1082 /*
1083  * Convert a signed 32-bit integer to a signed n-bit integer.
1084  */
1085
1086 static u32 s32ton(__s32 value, unsigned n)
1087 {
1088         s32 a = value >> (n - 1);
1089         if (a && a != -1)
1090                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1091         return value & ((1 << n) - 1);
1092 }
1093
1094 /*
1095  * Extract/implement a data field from/to a little endian report (bit array).
1096  *
1097  * Code sort-of follows HID spec:
1098  *     http://www.usb.org/developers/hidpage/HID1_11.pdf
1099  *
1100  * While the USB HID spec allows unlimited length bit fields in "report
1101  * descriptors", most devices never use more than 16 bits.
1102  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1103  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1104  */
1105
1106 static u32 __extract(u8 *report, unsigned offset, int n)
1107 {
1108         unsigned int idx = offset / 8;
1109         unsigned int bit_nr = 0;
1110         unsigned int bit_shift = offset % 8;
1111         int bits_to_copy = 8 - bit_shift;
1112         u32 value = 0;
1113         u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
1114
1115         while (n > 0) {
1116                 value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1117                 n -= bits_to_copy;
1118                 bit_nr += bits_to_copy;
1119                 bits_to_copy = 8;
1120                 bit_shift = 0;
1121                 idx++;
1122         }
1123
1124         return value & mask;
1125 }
1126
1127 u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1128                         unsigned offset, unsigned n)
1129 {
1130         if (n > 32) {
1131                 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1132                          n, current->comm);
1133                 n = 32;
1134         }
1135
1136         return __extract(report, offset, n);
1137 }
1138 EXPORT_SYMBOL_GPL(hid_field_extract);
1139
1140 /*
1141  * "implement" : set bits in a little endian bit stream.
1142  * Same concepts as "extract" (see comments above).
1143  * The data mangled in the bit stream remains in little endian
1144  * order the whole time. It make more sense to talk about
1145  * endianness of register values by considering a register
1146  * a "cached" copy of the little endian bit stream.
1147  */
1148
1149 static void __implement(u8 *report, unsigned offset, int n, u32 value)
1150 {
1151         unsigned int idx = offset / 8;
1152         unsigned int bit_shift = offset % 8;
1153         int bits_to_set = 8 - bit_shift;
1154
1155         while (n - bits_to_set >= 0) {
1156                 report[idx] &= ~(0xff << bit_shift);
1157                 report[idx] |= value << bit_shift;
1158                 value >>= bits_to_set;
1159                 n -= bits_to_set;
1160                 bits_to_set = 8;
1161                 bit_shift = 0;
1162                 idx++;
1163         }
1164
1165         /* last nibble */
1166         if (n) {
1167                 u8 bit_mask = ((1U << n) - 1);
1168                 report[idx] &= ~(bit_mask << bit_shift);
1169                 report[idx] |= value << bit_shift;
1170         }
1171 }
1172
1173 static void implement(const struct hid_device *hid, u8 *report,
1174                       unsigned offset, unsigned n, u32 value)
1175 {
1176         if (unlikely(n > 32)) {
1177                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1178                          __func__, n, current->comm);
1179                 n = 32;
1180         } else if (n < 32) {
1181                 u32 m = (1U << n) - 1;
1182
1183                 if (unlikely(value > m)) {
1184                         hid_warn(hid,
1185                                  "%s() called with too large value %d (n: %d)! (%s)\n",
1186                                  __func__, value, n, current->comm);
1187                         WARN_ON(1);
1188                         value &= m;
1189                 }
1190         }
1191
1192         __implement(report, offset, n, value);
1193 }
1194
1195 /*
1196  * Search an array for a value.
1197  */
1198
1199 static int search(__s32 *array, __s32 value, unsigned n)
1200 {
1201         while (n--) {
1202                 if (*array++ == value)
1203                         return 0;
1204         }
1205         return -1;
1206 }
1207
1208 /**
1209  * hid_match_report - check if driver's raw_event should be called
1210  *
1211  * @hid: hid device
1212  * @report_type: type to match against
1213  *
1214  * compare hid->driver->report_table->report_type to report->type
1215  */
1216 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1217 {
1218         const struct hid_report_id *id = hid->driver->report_table;
1219
1220         if (!id) /* NULL means all */
1221                 return 1;
1222
1223         for (; id->report_type != HID_TERMINATOR; id++)
1224                 if (id->report_type == HID_ANY_ID ||
1225                                 id->report_type == report->type)
1226                         return 1;
1227         return 0;
1228 }
1229
1230 /**
1231  * hid_match_usage - check if driver's event should be called
1232  *
1233  * @hid: hid device
1234  * @usage: usage to match against
1235  *
1236  * compare hid->driver->usage_table->usage_{type,code} to
1237  * usage->usage_{type,code}
1238  */
1239 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1240 {
1241         const struct hid_usage_id *id = hid->driver->usage_table;
1242
1243         if (!id) /* NULL means all */
1244                 return 1;
1245
1246         for (; id->usage_type != HID_ANY_ID - 1; id++)
1247                 if ((id->usage_hid == HID_ANY_ID ||
1248                                 id->usage_hid == usage->hid) &&
1249                                 (id->usage_type == HID_ANY_ID ||
1250                                 id->usage_type == usage->type) &&
1251                                 (id->usage_code == HID_ANY_ID ||
1252                                  id->usage_code == usage->code))
1253                         return 1;
1254         return 0;
1255 }
1256
1257 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1258                 struct hid_usage *usage, __s32 value, int interrupt)
1259 {
1260         struct hid_driver *hdrv = hid->driver;
1261         int ret;
1262
1263         if (!list_empty(&hid->debug_list))
1264                 hid_dump_input(hid, usage, value);
1265
1266         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1267                 ret = hdrv->event(hid, field, usage, value);
1268                 if (ret != 0) {
1269                         if (ret < 0)
1270                                 hid_err(hid, "%s's event failed with %d\n",
1271                                                 hdrv->name, ret);
1272                         return;
1273                 }
1274         }
1275
1276         if (hid->claimed & HID_CLAIMED_INPUT)
1277                 hidinput_hid_event(hid, field, usage, value);
1278         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1279                 hid->hiddev_hid_event(hid, field, usage, value);
1280 }
1281
1282 /*
1283  * Analyse a received field, and fetch the data from it. The field
1284  * content is stored for next report processing (we do differential
1285  * reporting to the layer).
1286  */
1287
1288 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1289                             __u8 *data, int interrupt)
1290 {
1291         unsigned n;
1292         unsigned count = field->report_count;
1293         unsigned offset = field->report_offset;
1294         unsigned size = field->report_size;
1295         __s32 min = field->logical_minimum;
1296         __s32 max = field->logical_maximum;
1297         __s32 *value;
1298
1299         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1300         if (!value)
1301                 return;
1302
1303         for (n = 0; n < count; n++) {
1304
1305                 value[n] = min < 0 ?
1306                         snto32(hid_field_extract(hid, data, offset + n * size,
1307                                size), size) :
1308                         hid_field_extract(hid, data, offset + n * size, size);
1309
1310                 /* Ignore report if ErrorRollOver */
1311                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1312                     value[n] >= min && value[n] <= max &&
1313                     value[n] - min < field->maxusage &&
1314                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1315                         goto exit;
1316         }
1317
1318         for (n = 0; n < count; n++) {
1319
1320                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1321                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1322                         continue;
1323                 }
1324
1325                 if (field->value[n] >= min && field->value[n] <= max
1326                         && field->value[n] - min < field->maxusage
1327                         && field->usage[field->value[n] - min].hid
1328                         && search(value, field->value[n], count))
1329                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1330
1331                 if (value[n] >= min && value[n] <= max
1332                         && value[n] - min < field->maxusage
1333                         && field->usage[value[n] - min].hid
1334                         && search(field->value, value[n], count))
1335                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1336         }
1337
1338         memcpy(field->value, value, count * sizeof(__s32));
1339 exit:
1340         kfree(value);
1341 }
1342
1343 /*
1344  * Output the field into the report.
1345  */
1346
1347 static void hid_output_field(const struct hid_device *hid,
1348                              struct hid_field *field, __u8 *data)
1349 {
1350         unsigned count = field->report_count;
1351         unsigned offset = field->report_offset;
1352         unsigned size = field->report_size;
1353         unsigned n;
1354
1355         for (n = 0; n < count; n++) {
1356                 if (field->logical_minimum < 0) /* signed values */
1357                         implement(hid, data, offset + n * size, size,
1358                                   s32ton(field->value[n], size));
1359                 else                            /* unsigned values */
1360                         implement(hid, data, offset + n * size, size,
1361                                   field->value[n]);
1362         }
1363 }
1364
1365 /*
1366  * Create a report. 'data' has to be allocated using
1367  * hid_alloc_report_buf() so that it has proper size.
1368  */
1369
1370 void hid_output_report(struct hid_report *report, __u8 *data)
1371 {
1372         unsigned n;
1373
1374         if (report->id > 0)
1375                 *data++ = report->id;
1376
1377         memset(data, 0, ((report->size - 1) >> 3) + 1);
1378         for (n = 0; n < report->maxfield; n++)
1379                 hid_output_field(report->device, report->field[n], data);
1380 }
1381 EXPORT_SYMBOL_GPL(hid_output_report);
1382
1383 /*
1384  * Allocator for buffer that is going to be passed to hid_output_report()
1385  */
1386 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1387 {
1388         /*
1389          * 7 extra bytes are necessary to achieve proper functionality
1390          * of implement() working on 8 byte chunks
1391          */
1392
1393         int len = hid_report_len(report) + 7;
1394
1395         return kmalloc(len, flags);
1396 }
1397 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1398
1399 /*
1400  * Set a field value. The report this field belongs to has to be
1401  * created and transferred to the device, to set this value in the
1402  * device.
1403  */
1404
1405 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1406 {
1407         unsigned size;
1408
1409         if (!field)
1410                 return -1;
1411
1412         size = field->report_size;
1413
1414         hid_dump_input(field->report->device, field->usage + offset, value);
1415
1416         if (offset >= field->report_count) {
1417                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1418                                 offset, field->report_count);
1419                 return -1;
1420         }
1421         if (field->logical_minimum < 0) {
1422                 if (value != snto32(s32ton(value, size), size)) {
1423                         hid_err(field->report->device, "value %d is out of range\n", value);
1424                         return -1;
1425                 }
1426         }
1427         field->value[offset] = value;
1428         return 0;
1429 }
1430 EXPORT_SYMBOL_GPL(hid_set_field);
1431
1432 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1433                 const u8 *data)
1434 {
1435         struct hid_report *report;
1436         unsigned int n = 0;     /* Normally report number is 0 */
1437
1438         /* Device uses numbered reports, data[0] is report number */
1439         if (report_enum->numbered)
1440                 n = *data;
1441
1442         report = report_enum->report_id_hash[n];
1443         if (report == NULL)
1444                 dbg_hid("undefined report_id %u received\n", n);
1445
1446         return report;
1447 }
1448
1449 /*
1450  * Implement a generic .request() callback, using .raw_request()
1451  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1452  */
1453 void __hid_request(struct hid_device *hid, struct hid_report *report,
1454                 int reqtype)
1455 {
1456         char *buf;
1457         int ret;
1458         int len;
1459
1460         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1461         if (!buf)
1462                 return;
1463
1464         len = hid_report_len(report);
1465
1466         if (reqtype == HID_REQ_SET_REPORT)
1467                 hid_output_report(report, buf);
1468
1469         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1470                                           report->type, reqtype);
1471         if (ret < 0) {
1472                 dbg_hid("unable to complete request: %d\n", ret);
1473                 goto out;
1474         }
1475
1476         if (reqtype == HID_REQ_GET_REPORT)
1477                 hid_input_report(hid, report->type, buf, ret, 0);
1478
1479 out:
1480         kfree(buf);
1481 }
1482 EXPORT_SYMBOL_GPL(__hid_request);
1483
1484 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1485                 int interrupt)
1486 {
1487         struct hid_report_enum *report_enum = hid->report_enum + type;
1488         struct hid_report *report;
1489         struct hid_driver *hdrv;
1490         unsigned int a;
1491         int rsize, csize = size;
1492         u8 *cdata = data;
1493         int ret = 0;
1494
1495         report = hid_get_report(report_enum, data);
1496         if (!report)
1497                 goto out;
1498
1499         if (report_enum->numbered) {
1500                 cdata++;
1501                 csize--;
1502         }
1503
1504         rsize = ((report->size - 1) >> 3) + 1;
1505
1506         if (rsize > HID_MAX_BUFFER_SIZE)
1507                 rsize = HID_MAX_BUFFER_SIZE;
1508
1509         if (csize < rsize) {
1510                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1511                                 csize, rsize);
1512                 memset(cdata + csize, 0, rsize - csize);
1513         }
1514
1515         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1516                 hid->hiddev_report_event(hid, report);
1517         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1518                 ret = hidraw_report_event(hid, data, size);
1519                 if (ret)
1520                         goto out;
1521         }
1522
1523         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1524                 for (a = 0; a < report->maxfield; a++)
1525                         hid_input_field(hid, report->field[a], cdata, interrupt);
1526                 hdrv = hid->driver;
1527                 if (hdrv && hdrv->report)
1528                         hdrv->report(hid, report);
1529         }
1530
1531         if (hid->claimed & HID_CLAIMED_INPUT)
1532                 hidinput_report_event(hid, report);
1533 out:
1534         return ret;
1535 }
1536 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1537
1538 /**
1539  * hid_input_report - report data from lower layer (usb, bt...)
1540  *
1541  * @hid: hid device
1542  * @type: HID report type (HID_*_REPORT)
1543  * @data: report contents
1544  * @size: size of data parameter
1545  * @interrupt: distinguish between interrupt and control transfers
1546  *
1547  * This is data entry for lower layers.
1548  */
1549 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1550 {
1551         struct hid_report_enum *report_enum;
1552         struct hid_driver *hdrv;
1553         struct hid_report *report;
1554         int ret = 0;
1555
1556         if (!hid)
1557                 return -ENODEV;
1558
1559         if (down_trylock(&hid->driver_input_lock))
1560                 return -EBUSY;
1561
1562         if (!hid->driver) {
1563                 ret = -ENODEV;
1564                 goto unlock;
1565         }
1566         report_enum = hid->report_enum + type;
1567         hdrv = hid->driver;
1568
1569         if (!size) {
1570                 dbg_hid("empty report\n");
1571                 ret = -1;
1572                 goto unlock;
1573         }
1574
1575         /* Avoid unnecessary overhead if debugfs is disabled */
1576         if (!list_empty(&hid->debug_list))
1577                 hid_dump_report(hid, type, data, size);
1578
1579         report = hid_get_report(report_enum, data);
1580
1581         if (!report) {
1582                 ret = -1;
1583                 goto unlock;
1584         }
1585
1586         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1587                 ret = hdrv->raw_event(hid, report, data, size);
1588                 if (ret < 0)
1589                         goto unlock;
1590         }
1591
1592         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1593
1594 unlock:
1595         up(&hid->driver_input_lock);
1596         return ret;
1597 }
1598 EXPORT_SYMBOL_GPL(hid_input_report);
1599
1600 static bool hid_match_one_id(struct hid_device *hdev,
1601                 const struct hid_device_id *id)
1602 {
1603         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1604                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1605                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1606                 (id->product == HID_ANY_ID || id->product == hdev->product);
1607 }
1608
1609 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1610                 const struct hid_device_id *id)
1611 {
1612         for (; id->bus; id++)
1613                 if (hid_match_one_id(hdev, id))
1614                         return id;
1615
1616         return NULL;
1617 }
1618
1619 static const struct hid_device_id hid_hiddev_list[] = {
1620         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1621         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1622         { }
1623 };
1624
1625 static bool hid_hiddev(struct hid_device *hdev)
1626 {
1627         return !!hid_match_id(hdev, hid_hiddev_list);
1628 }
1629
1630
1631 static ssize_t
1632 read_report_descriptor(struct file *filp, struct kobject *kobj,
1633                 struct bin_attribute *attr,
1634                 char *buf, loff_t off, size_t count)
1635 {
1636         struct device *dev = kobj_to_dev(kobj);
1637         struct hid_device *hdev = to_hid_device(dev);
1638
1639         if (off >= hdev->rsize)
1640                 return 0;
1641
1642         if (off + count > hdev->rsize)
1643                 count = hdev->rsize - off;
1644
1645         memcpy(buf, hdev->rdesc + off, count);
1646
1647         return count;
1648 }
1649
1650 static ssize_t
1651 show_country(struct device *dev, struct device_attribute *attr,
1652                 char *buf)
1653 {
1654         struct hid_device *hdev = to_hid_device(dev);
1655
1656         return sprintf(buf, "%02x\n", hdev->country & 0xff);
1657 }
1658
1659 static struct bin_attribute dev_bin_attr_report_desc = {
1660         .attr = { .name = "report_descriptor", .mode = 0444 },
1661         .read = read_report_descriptor,
1662         .size = HID_MAX_DESCRIPTOR_SIZE,
1663 };
1664
1665 static struct device_attribute dev_attr_country = {
1666         .attr = { .name = "country", .mode = 0444 },
1667         .show = show_country,
1668 };
1669
1670 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1671 {
1672         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1673                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1674                 "Multi-Axis Controller"
1675         };
1676         const char *type, *bus;
1677         char buf[64] = "";
1678         unsigned int i;
1679         int len;
1680         int ret;
1681
1682         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1683                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1684         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1685                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1686         if (hdev->bus != BUS_USB)
1687                 connect_mask &= ~HID_CONNECT_HIDDEV;
1688         if (hid_hiddev(hdev))
1689                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1690
1691         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1692                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1693                 hdev->claimed |= HID_CLAIMED_INPUT;
1694
1695         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1696                         !hdev->hiddev_connect(hdev,
1697                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1698                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1699         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1700                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1701
1702         if (connect_mask & HID_CONNECT_DRIVER)
1703                 hdev->claimed |= HID_CLAIMED_DRIVER;
1704
1705         /* Drivers with the ->raw_event callback set are not required to connect
1706          * to any other listener. */
1707         if (!hdev->claimed && !hdev->driver->raw_event) {
1708                 hid_err(hdev, "device has no listeners, quitting\n");
1709                 return -ENODEV;
1710         }
1711
1712         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1713                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1714                 hdev->ff_init(hdev);
1715
1716         len = 0;
1717         if (hdev->claimed & HID_CLAIMED_INPUT)
1718                 len += sprintf(buf + len, "input");
1719         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1720                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1721                                 ((struct hiddev *)hdev->hiddev)->minor);
1722         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1723                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1724                                 ((struct hidraw *)hdev->hidraw)->minor);
1725
1726         type = "Device";
1727         for (i = 0; i < hdev->maxcollection; i++) {
1728                 struct hid_collection *col = &hdev->collection[i];
1729                 if (col->type == HID_COLLECTION_APPLICATION &&
1730                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1731                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1732                         type = types[col->usage & 0xffff];
1733                         break;
1734                 }
1735         }
1736
1737         switch (hdev->bus) {
1738         case BUS_USB:
1739                 bus = "USB";
1740                 break;
1741         case BUS_BLUETOOTH:
1742                 bus = "BLUETOOTH";
1743                 break;
1744         case BUS_I2C:
1745                 bus = "I2C";
1746                 break;
1747         default:
1748                 bus = "<UNKNOWN>";
1749         }
1750
1751         ret = device_create_file(&hdev->dev, &dev_attr_country);
1752         if (ret)
1753                 hid_warn(hdev,
1754                          "can't create sysfs country code attribute err: %d\n", ret);
1755
1756         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1757                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1758                  type, hdev->name, hdev->phys);
1759
1760         return 0;
1761 }
1762 EXPORT_SYMBOL_GPL(hid_connect);
1763
1764 void hid_disconnect(struct hid_device *hdev)
1765 {
1766         device_remove_file(&hdev->dev, &dev_attr_country);
1767         if (hdev->claimed & HID_CLAIMED_INPUT)
1768                 hidinput_disconnect(hdev);
1769         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1770                 hdev->hiddev_disconnect(hdev);
1771         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1772                 hidraw_disconnect(hdev);
1773         hdev->claimed = 0;
1774 }
1775 EXPORT_SYMBOL_GPL(hid_disconnect);
1776
1777 /**
1778  * hid_hw_start - start underlying HW
1779  * @hdev: hid device
1780  * @connect_mask: which outputs to connect, see HID_CONNECT_*
1781  *
1782  * Call this in probe function *after* hid_parse. This will setup HW
1783  * buffers and start the device (if not defeirred to device open).
1784  * hid_hw_stop must be called if this was successful.
1785  */
1786 int hid_hw_start(struct hid_device *hdev, unsigned int connect_mask)
1787 {
1788         int error;
1789
1790         error = hdev->ll_driver->start(hdev);
1791         if (error)
1792                 return error;
1793
1794         if (connect_mask) {
1795                 error = hid_connect(hdev, connect_mask);
1796                 if (error) {
1797                         hdev->ll_driver->stop(hdev);
1798                         return error;
1799                 }
1800         }
1801
1802         return 0;
1803 }
1804 EXPORT_SYMBOL_GPL(hid_hw_start);
1805
1806 /**
1807  * hid_hw_stop - stop underlying HW
1808  * @hdev: hid device
1809  *
1810  * This is usually called from remove function or from probe when something
1811  * failed and hid_hw_start was called already.
1812  */
1813 void hid_hw_stop(struct hid_device *hdev)
1814 {
1815         hid_disconnect(hdev);
1816         hdev->ll_driver->stop(hdev);
1817 }
1818 EXPORT_SYMBOL_GPL(hid_hw_stop);
1819
1820 /**
1821  * hid_hw_open - signal underlying HW to start delivering events
1822  * @hdev: hid device
1823  *
1824  * Tell underlying HW to start delivering events from the device.
1825  * This function should be called sometime after successful call
1826  * to hid_hiw_start().
1827  */
1828 int hid_hw_open(struct hid_device *hdev)
1829 {
1830         int ret;
1831
1832         ret = mutex_lock_killable(&hdev->ll_open_lock);
1833         if (ret)
1834                 return ret;
1835
1836         if (!hdev->ll_open_count++) {
1837                 ret = hdev->ll_driver->open(hdev);
1838                 if (ret)
1839                         hdev->ll_open_count--;
1840         }
1841
1842         mutex_unlock(&hdev->ll_open_lock);
1843         return ret;
1844 }
1845 EXPORT_SYMBOL_GPL(hid_hw_open);
1846
1847 /**
1848  * hid_hw_close - signal underlaying HW to stop delivering events
1849  *
1850  * @hdev: hid device
1851  *
1852  * This function indicates that we are not interested in the events
1853  * from this device anymore. Delivery of events may or may not stop,
1854  * depending on the number of users still outstanding.
1855  */
1856 void hid_hw_close(struct hid_device *hdev)
1857 {
1858         mutex_lock(&hdev->ll_open_lock);
1859         if (!--hdev->ll_open_count)
1860                 hdev->ll_driver->close(hdev);
1861         mutex_unlock(&hdev->ll_open_lock);
1862 }
1863 EXPORT_SYMBOL_GPL(hid_hw_close);
1864
1865 /*
1866  * A list of devices for which there is a specialized driver on HID bus.
1867  *
1868  * Please note that for multitouch devices (driven by hid-multitouch driver),
1869  * there is a proper autodetection and autoloading in place (based on presence
1870  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1871  * as we are doing the right thing in hid_scan_usage().
1872  *
1873  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1874  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1875  * used as a driver. See hid_scan_report().
1876  */
1877 static const struct hid_device_id hid_have_special_driver[] = {
1878 #if IS_ENABLED(CONFIG_HID_A4TECH)
1879         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1882 #endif
1883 #if IS_ENABLED(CONFIG_HID_ACCUTOUCH)
1884         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_ACCUTOUCH_2216) },
1885 #endif
1886 #if IS_ENABLED(CONFIG_HID_ACRUX)
1887         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1889 #endif
1890 #if IS_ENABLED(CONFIG_HID_ALPS)
1891         { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
1892 #endif
1893 #if IS_ENABLED(CONFIG_HID_APPLE)
1894         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1915         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1916         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1917         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1960         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1961         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1962         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1963         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1964         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1965         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1969 #endif
1970 #if IS_ENABLED(CONFIG_HID_APPLEIR)
1971         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1976 #endif
1977 #if IS_ENABLED(CONFIG_HID_ASUS)
1978         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_KEYBOARD) },
1979         { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_I2C_TOUCHPAD) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD1) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_ROG_KEYBOARD2) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100_KEYBOARD) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_ASUS_MD_5112) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_ASUS_MD_5110) },
1985         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_T100CHI_KEYBOARD) },
1986 #endif
1987 #if IS_ENABLED(CONFIG_HID_AUREAL)
1988         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1989 #endif
1990 #if IS_ENABLED(CONFIG_HID_BELKIN)
1991         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1993 #endif
1994 #if IS_ENABLED(CONFIG_HID_BETOP_FF)
1995         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1999 #endif
2000 #if IS_ENABLED(CONFIG_HID_CHERRY)
2001         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
2003 #endif
2004 #if IS_ENABLED(CONFIG_HID_CHICONY)
2005         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
2007         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_ASUS_AK1D) },
2008         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
2009 #endif
2010 #if IS_ENABLED(CONFIG_HID_CMEDIA)
2011         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
2012 #endif
2013 #if IS_ENABLED(CONFIG_HID_CORSAIR)
2014         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
2015         { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
2016 #endif
2017 #if IS_ENABLED(CONFIG_HID_CP2112)
2018         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
2019 #endif
2020 #if IS_ENABLED(CONFIG_HID_CYPRESS)
2021         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
2022         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
2026 #endif
2027 #if IS_ENABLED(CONFIG_HID_DRAGONRISE)
2028         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
2030 #endif
2031 #if IS_ENABLED(CONFIG_HID_ELECOM)
2032         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRED) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_DEFT_WIRELESS) },
2035 #endif
2036 #if IS_ENABLED(CONFIG_HID_ELO)
2037         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
2038         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
2039 #endif
2040 #if IS_ENABLED(CONFIG_HID_EMS_FF)
2041         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
2042 #endif
2043 #if IS_ENABLED(CONFIG_HID_EZKEY)
2044         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
2045 #endif
2046 #if IS_ENABLED(CONFIG_HID_GEMBIRD)
2047         { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
2048 #endif
2049 #if IS_ENABLED(CONFIG_HID_GFRM)
2050         { HID_BLUETOOTH_DEVICE(0x58, 0x2000) },
2051         { HID_BLUETOOTH_DEVICE(0x471, 0x2210) },
2052 #endif
2053 #if IS_ENABLED(CONFIG_HID_GREENASIA)
2054         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
2055 #endif
2056 #if IS_ENABLED(CONFIG_HID_GT683R)
2057         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
2058 #endif
2059 #if IS_ENABLED(CONFIG_HID_GYRATION)
2060         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
2061         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
2062         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
2063 #endif
2064 #if IS_ENABLED(CONFIG_HID_HOLTEK)
2065         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
2066         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
2067         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
2068         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
2069         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
2070         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
2071         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
2072         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
2073 #endif
2074 #if IS_ENABLED(CONFIG_HID_ICADE)
2075         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
2076 #endif
2077 #if IS_ENABLED(CONFIG_HID_ITE)
2078         { HID_USB_DEVICE(USB_VENDOR_ID_ITE, USB_DEVICE_ID_ITE8595) },
2079 #endif
2080 #if IS_ENABLED(CONFIG_HID_KENSINGTON)
2081         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
2082 #endif
2083 #if IS_ENABLED(CONFIG_HID_KEYTOUCH)
2084         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
2085 #endif
2086 #if IS_ENABLED(CONFIG_HID_KYE)
2087         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
2088         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
2089         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
2090         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
2091         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
2092         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
2093         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
2094         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
2095         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
2096 #endif
2097 #if IS_ENABLED(CONFIG_HID_LCPOWER)
2098         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
2099 #endif
2100 #if IS_ENABLED(CONFIG_HID_LED)
2101         { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
2102         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
2103         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
2104         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
2105         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2106         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2107 #endif
2108 #if IS_ENABLED(CONFIG_HID_LENOVO)
2109         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
2110         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
2111         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
2112         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
2113 #endif
2114 #if IS_ENABLED(CONFIG_HID_LOGITECH)
2115         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
2116         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
2117         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
2118         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
2119         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
2120         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
2121         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
2122         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
2123         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
2124         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
2125         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
2126         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
2127         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
2128         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
2129         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
2130         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
2131         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
2132         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
2133         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
2134         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
2135         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
2136         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
2137         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
2138         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
2139         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
2140         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
2141         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
2142         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
2143         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
2144         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
2145         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
2146 #endif
2147 #if IS_ENABLED(CONFIG_HID_LOGITECH_HIDPP)
2148         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
2149         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
2150 #endif
2151 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
2152         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
2153         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
2154 #endif
2155 #if IS_ENABLED(CONFIG_HID_MAGICMOUSE)
2156         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
2157         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
2158 #endif
2159 #if IS_ENABLED(CONFIG_HID_MAYFLASH)
2160         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_PS3) },
2161         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_DOLPHINBAR) },
2162         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE1) },
2163         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, USB_DEVICE_ID_DRAGONRISE_GAMECUBE2) },
2164 #endif
2165 #if IS_ENABLED(CONFIG_HID_MICROSOFT)
2166         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
2167         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
2168         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
2169         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
2170         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
2171         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
2172         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
2173         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
2174         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
2175         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
2176         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
2177         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
2178         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
2179         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
2180         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
2181         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2182 #endif
2183 #if IS_ENABLED(CONFIG_HID_MONTEREY)
2184         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
2185 #endif
2186 #if IS_ENABLED(CONFIG_HID_MULTITOUCH)
2187         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MELFAS_MT) },
2188 #endif
2189 #if IS_ENABLED(CONFIG_HID_WIIMOTE)
2190         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2191         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2192 #endif
2193 #if IS_ENABLED(CONFIG_HID_NTI)
2194         { HID_USB_DEVICE(USB_VENDOR_ID_NTI, USB_DEVICE_ID_USB_SUN) },
2195 #endif
2196 #if IS_ENABLED(CONFIG_HID_NTRIG)
2197         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
2198         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
2199         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
2200         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
2201         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
2202         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
2203         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
2204         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2205         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2206         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2207         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2208         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2209         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2210         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2211         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2212         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2213         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2214         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2215         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
2216 #endif
2217 #if IS_ENABLED(CONFIG_HID_ORTEK)
2218         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
2219         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
2220         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_IHOME_IMAC_A210S) },
2221         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
2222 #endif
2223 #if IS_ENABLED(CONFIG_HID_PANTHERLORD)
2224         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
2225         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
2226         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
2227         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
2228 #endif
2229 #if IS_ENABLED(CONFIG_HID_PENMOUNT)
2230         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
2231 #endif
2232 #if IS_ENABLED(CONFIG_HID_PETALYNX)
2233         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
2234 #endif
2235 #if IS_ENABLED(CONFIG_HID_PICOLCD)
2236         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
2237         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
2238 #endif
2239 #if IS_ENABLED(CONFIG_HID_PLANTRONICS)
2240         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
2241 #endif
2242 #if IS_ENABLED(CONFIG_HID_PRIMAX)
2243         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
2244 #endif
2245 #if IS_ENABLED(CONFIG_HID_PRODIKEYS)
2246         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
2247 #endif
2248 #if IS_ENABLED(CONFIG_HID_RETRODE)
2249         { HID_USB_DEVICE(USB_VENDOR_ID_FUTURE_TECHNOLOGY, USB_DEVICE_ID_RETRODE2) },
2250 #endif
2251 #if IS_ENABLED(CONFIG_HID_RMI)
2252         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_X1_COVER) },
2253         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2254 #endif
2255 #if IS_ENABLED(CONFIG_HID_ROCCAT)
2256         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
2257         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
2258         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2259         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
2260         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
2261         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
2262         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
2263         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
2264         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
2265         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
2266         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
2267         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
2268         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2269         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2270         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
2271         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
2272 #endif
2273 #if IS_ENABLED(CONFIG_HID_SAITEK)
2274         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
2275         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
2276         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
2277         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
2278         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
2279         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
2280         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
2281 #endif
2282 #if IS_ENABLED(CONFIG_HID_SAMSUNG)
2283         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
2284         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
2285 #endif
2286 #if IS_ENABLED(CONFIG_HID_SMARTJOYPLUS)
2287         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2288         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2289         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2290         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2291         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2292         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2293         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2294 #endif
2295 #if IS_ENABLED(CONFIG_HID_SONY)
2296         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
2297         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
2298         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2299         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
2300         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2301         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
2302         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2303         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
2304         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
2305         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2306         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
2307         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2308         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2309         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2310         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2311         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
2312         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
2313         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2314         { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
2315 #endif
2316 #if IS_ENABLED(CONFIG_HID_SPEEDLINK)
2317         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2318 #endif
2319 #if IS_ENABLED(CONFIG_HID_STEELSERIES)
2320         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2321 #endif
2322 #if IS_ENABLED(CONFIG_HID_SUNPLUS)
2323         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2324 #endif
2325 #if IS_ENABLED(CONFIG_HID_THRUSTMASTER)
2326         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2327         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2328         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2329         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2330         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2331         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2332         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2333         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2334 #endif
2335 #if IS_ENABLED(CONFIG_HID_TIVO)
2336         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2337         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2338         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2339 #endif
2340 #if IS_ENABLED(CONFIG_HID_TOPSEED)
2341         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
2342         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
2343         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
2344         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2345         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2346 #endif
2347 #if IS_ENABLED(CONFIG_HID_TWINHAN)
2348         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2349 #endif
2350 #if IS_ENABLED(CONFIG_HID_UCLOGIC)
2351         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
2352         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_HUION_TABLET) },
2353         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2354         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2355         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2356         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2357         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2358         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2359         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2360         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2361         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2362         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2363         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
2364         { HID_USB_DEVICE(USB_VENDOR_ID_UGEE, USB_DEVICE_ID_UGEE_TABLET_EX07S) },
2365         { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
2366 #endif
2367 #if IS_ENABLED(CONFIG_HID_UDRAW_PS3)
2368         { HID_USB_DEVICE(USB_VENDOR_ID_THQ, USB_DEVICE_ID_THQ_PS3_UDRAW) },
2369 #endif
2370 #if IS_ENABLED(CONFIG_HID_WALTOP)
2371         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2372         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2373         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2374         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2378 #endif
2379 #if IS_ENABLED(CONFIG_HID_XINMO)
2380         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2381         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
2382 #endif
2383 #if IS_ENABLED(CONFIG_HID_ZEROPLUS)
2384         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2386 #endif
2387 #if IS_ENABLED(CONFIG_HID_ZYDACRON)
2388         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2389 #endif
2390         { }
2391 };
2392
2393 struct hid_dynid {
2394         struct list_head list;
2395         struct hid_device_id id;
2396 };
2397
2398 /**
2399  * store_new_id - add a new HID device ID to this driver and re-probe devices
2400  * @driver: target device driver
2401  * @buf: buffer for scanning device ID data
2402  * @count: input size
2403  *
2404  * Adds a new dynamic hid device ID to this driver,
2405  * and causes the driver to probe for all devices again.
2406  */
2407 static ssize_t new_id_store(struct device_driver *drv, const char *buf,
2408                 size_t count)
2409 {
2410         struct hid_driver *hdrv = to_hid_driver(drv);
2411         struct hid_dynid *dynid;
2412         __u32 bus, vendor, product;
2413         unsigned long driver_data = 0;
2414         int ret;
2415
2416         ret = sscanf(buf, "%x %x %x %lx",
2417                         &bus, &vendor, &product, &driver_data);
2418         if (ret < 3)
2419                 return -EINVAL;
2420
2421         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2422         if (!dynid)
2423                 return -ENOMEM;
2424
2425         dynid->id.bus = bus;
2426         dynid->id.group = HID_GROUP_ANY;
2427         dynid->id.vendor = vendor;
2428         dynid->id.product = product;
2429         dynid->id.driver_data = driver_data;
2430
2431         spin_lock(&hdrv->dyn_lock);
2432         list_add_tail(&dynid->list, &hdrv->dyn_list);
2433         spin_unlock(&hdrv->dyn_lock);
2434
2435         ret = driver_attach(&hdrv->driver);
2436
2437         return ret ? : count;
2438 }
2439 static DRIVER_ATTR_WO(new_id);
2440
2441 static struct attribute *hid_drv_attrs[] = {
2442         &driver_attr_new_id.attr,
2443         NULL,
2444 };
2445 ATTRIBUTE_GROUPS(hid_drv);
2446
2447 static void hid_free_dynids(struct hid_driver *hdrv)
2448 {
2449         struct hid_dynid *dynid, *n;
2450
2451         spin_lock(&hdrv->dyn_lock);
2452         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2453                 list_del(&dynid->list);
2454                 kfree(dynid);
2455         }
2456         spin_unlock(&hdrv->dyn_lock);
2457 }
2458
2459 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2460                 struct hid_driver *hdrv)
2461 {
2462         struct hid_dynid *dynid;
2463
2464         spin_lock(&hdrv->dyn_lock);
2465         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2466                 if (hid_match_one_id(hdev, &dynid->id)) {
2467                         spin_unlock(&hdrv->dyn_lock);
2468                         return &dynid->id;
2469                 }
2470         }
2471         spin_unlock(&hdrv->dyn_lock);
2472
2473         return hid_match_id(hdev, hdrv->id_table);
2474 }
2475
2476 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2477 {
2478         struct hid_driver *hdrv = to_hid_driver(drv);
2479         struct hid_device *hdev = to_hid_device(dev);
2480
2481         return hid_match_device(hdev, hdrv) != NULL;
2482 }
2483
2484 static int hid_device_probe(struct device *dev)
2485 {
2486         struct hid_driver *hdrv = to_hid_driver(dev->driver);
2487         struct hid_device *hdev = to_hid_device(dev);
2488         const struct hid_device_id *id;
2489         int ret = 0;
2490
2491         if (down_interruptible(&hdev->driver_input_lock)) {
2492                 ret = -EINTR;
2493                 goto end;
2494         }
2495         hdev->io_started = false;
2496
2497         if (!hdev->driver) {
2498                 id = hid_match_device(hdev, hdrv);
2499                 if (id == NULL) {
2500                         ret = -ENODEV;
2501                         goto unlock;
2502                 }
2503
2504                 hdev->driver = hdrv;
2505                 if (hdrv->probe) {
2506                         ret = hdrv->probe(hdev, id);
2507                 } else { /* default probe */
2508                         ret = hid_open_report(hdev);
2509                         if (!ret)
2510                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2511                 }
2512                 if (ret) {
2513                         hid_close_report(hdev);
2514                         hdev->driver = NULL;
2515                 }
2516         }
2517 unlock:
2518         if (!hdev->io_started)
2519                 up(&hdev->driver_input_lock);
2520 end:
2521         return ret;
2522 }
2523
2524 static int hid_device_remove(struct device *dev)
2525 {
2526         struct hid_device *hdev = to_hid_device(dev);
2527         struct hid_driver *hdrv;
2528         int ret = 0;
2529
2530         if (down_interruptible(&hdev->driver_input_lock)) {
2531                 ret = -EINTR;
2532                 goto end;
2533         }
2534         hdev->io_started = false;
2535
2536         hdrv = hdev->driver;
2537         if (hdrv) {
2538                 if (hdrv->remove)
2539                         hdrv->remove(hdev);
2540                 else /* default remove */
2541                         hid_hw_stop(hdev);
2542                 hid_close_report(hdev);
2543                 hdev->driver = NULL;
2544         }
2545
2546         if (!hdev->io_started)
2547                 up(&hdev->driver_input_lock);
2548 end:
2549         return ret;
2550 }
2551
2552 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2553                              char *buf)
2554 {
2555         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2556
2557         return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2558                          hdev->bus, hdev->group, hdev->vendor, hdev->product);
2559 }
2560 static DEVICE_ATTR_RO(modalias);
2561
2562 static struct attribute *hid_dev_attrs[] = {
2563         &dev_attr_modalias.attr,
2564         NULL,
2565 };
2566 static struct bin_attribute *hid_dev_bin_attrs[] = {
2567         &dev_bin_attr_report_desc,
2568         NULL
2569 };
2570 static const struct attribute_group hid_dev_group = {
2571         .attrs = hid_dev_attrs,
2572         .bin_attrs = hid_dev_bin_attrs,
2573 };
2574 __ATTRIBUTE_GROUPS(hid_dev);
2575
2576 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2577 {
2578         struct hid_device *hdev = to_hid_device(dev);
2579
2580         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2581                         hdev->bus, hdev->vendor, hdev->product))
2582                 return -ENOMEM;
2583
2584         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2585                 return -ENOMEM;
2586
2587         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2588                 return -ENOMEM;
2589
2590         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2591                 return -ENOMEM;
2592
2593         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2594                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2595                 return -ENOMEM;
2596
2597         return 0;
2598 }
2599
2600 static struct bus_type hid_bus_type = {
2601         .name           = "hid",
2602         .dev_groups     = hid_dev_groups,
2603         .drv_groups     = hid_drv_groups,
2604         .match          = hid_bus_match,
2605         .probe          = hid_device_probe,
2606         .remove         = hid_device_remove,
2607         .uevent         = hid_uevent,
2608 };
2609
2610 /* a list of devices that shouldn't be handled by HID core at all */
2611 static const struct hid_device_id hid_ignore_list[] = {
2612         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2613         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2614         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2615         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2616         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2617         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2618         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2619         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2620         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2621         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2622         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2623         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2624         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2625         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2626         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2627         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2628         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2629         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2630         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2631         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2632         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2633         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2634         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2635         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2636         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2637         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2638         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
2639         { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
2640         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2641         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2642         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2643         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2644         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2645         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2646         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2647         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2648         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2649         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2650         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2651         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2652         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2653         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2654         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2655         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2656         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2657         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2658         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2659         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2660         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2661         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2662         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2663         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2664         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2665         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2666         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2667         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2668         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2669         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2670         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2671         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2672         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2673         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2674         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2675         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2676         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2677         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2678         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2679         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2680         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2681         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2682         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2683         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2684         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2685         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2686         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2687         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2688         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2689         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2690         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2691         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2692         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2693         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2694         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2695         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2696         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2697         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2698         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2699         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2700         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2701         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2702         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2703         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2704         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2705         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2706         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2707         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2708         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2709         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2710         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2711         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2712         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2713         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2714         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2715         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2716         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2717         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2718         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2719         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2720         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2721         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2722         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2723         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2724         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2725         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2726         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2727         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2728         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2729         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2730         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2731         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2732         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2733         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2734         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2735         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2736         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2737         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2738         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2739         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2740         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2741         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2742         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2743         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2744         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2745         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
2746         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2747         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2748         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2749         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2750         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2751         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2752         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2753         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2754         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2755         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2756         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2757         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2758         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2759         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2760         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2761         { HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
2762         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2763         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2764 #if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
2765         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2766         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2767         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2768         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2769         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2770         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2771         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2772         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2773 #endif
2774         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2775         { }
2776 };
2777
2778 /**
2779  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2780  *
2781  * There are composite devices for which we want to ignore only a certain
2782  * interface. This is a list of devices for which only the mouse interface will
2783  * be ignored. This allows a dedicated driver to take care of the interface.
2784  */
2785 static const struct hid_device_id hid_mouse_ignore_list[] = {
2786         /* appletouch driver */
2787         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2788         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2789         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2790         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2791         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2792         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2793         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2794         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2795         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2796         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2797         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2798         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2799         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2800         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2801         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2802         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2803         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2804         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2805         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2806         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2807         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2808         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2809         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2810         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2811         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2812         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2813         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2814         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2815         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2816         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2817         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2818         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2819         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2820         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2821         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2822         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2823         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2824         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2825         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2826         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2827         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2828         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2829         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2830         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2831         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2832         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2833         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2834         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2835         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2836         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2837         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2838         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2839         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2840         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2841         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2842         { }
2843 };
2844
2845 bool hid_ignore(struct hid_device *hdev)
2846 {
2847         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2848                 return false;
2849         if (hdev->quirks & HID_QUIRK_IGNORE)
2850                 return true;
2851
2852         switch (hdev->vendor) {
2853         case USB_VENDOR_ID_CODEMERCS:
2854                 /* ignore all Code Mercenaries IOWarrior devices */
2855                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2856                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2857                         return true;
2858                 break;
2859         case USB_VENDOR_ID_LOGITECH:
2860                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2861                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2862                         return true;
2863                 /*
2864                  * The Keene FM transmitter USB device has the same USB ID as
2865                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2866                  * Check if the name is that of the Keene device.
2867                  * For reference: the name of the AudioHub is
2868                  * "HOLTEK  AudioHub Speaker".
2869                  */
2870                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2871                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2872                                 return true;
2873                 break;
2874         case USB_VENDOR_ID_SOUNDGRAPH:
2875                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2876                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2877                         return true;
2878                 break;
2879         case USB_VENDOR_ID_HANWANG:
2880                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2881                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2882                         return true;
2883                 break;
2884         case USB_VENDOR_ID_JESS:
2885                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2886                                 hdev->type == HID_TYPE_USBNONE)
2887                         return true;
2888                 break;
2889         case USB_VENDOR_ID_VELLEMAN:
2890                 /* These are not HID devices.  They are handled by comedi. */
2891                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2892                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2893                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2894                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2895                         return true;
2896                 break;
2897         case USB_VENDOR_ID_ATMEL_V_USB:
2898                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2899                  * it has the same USB ID as many Atmel V-USB devices. This
2900                  * usb radio is handled by radio-ma901.c driver so we want
2901                  * ignore the hid. Check the name, bus, product and ignore
2902                  * if we have MA901 usb radio.
2903                  */
2904                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2905                         hdev->bus == BUS_USB &&
2906                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2907                         return true;
2908                 break;
2909         }
2910
2911         if (hdev->type == HID_TYPE_USBMOUSE &&
2912                         hid_match_id(hdev, hid_mouse_ignore_list))
2913                 return true;
2914
2915         return !!hid_match_id(hdev, hid_ignore_list);
2916 }
2917 EXPORT_SYMBOL_GPL(hid_ignore);
2918
2919 int hid_add_device(struct hid_device *hdev)
2920 {
2921         static atomic_t id = ATOMIC_INIT(0);
2922         int ret;
2923
2924         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2925                 return -EBUSY;
2926
2927         /* we need to kill them here, otherwise they will stay allocated to
2928          * wait for coming driver */
2929         if (hid_ignore(hdev))
2930                 return -ENODEV;
2931
2932         /*
2933          * Check for the mandatory transport channel.
2934          */
2935          if (!hdev->ll_driver->raw_request) {
2936                 hid_err(hdev, "transport driver missing .raw_request()\n");
2937                 return -EINVAL;
2938          }
2939
2940         /*
2941          * Read the device report descriptor once and use as template
2942          * for the driver-specific modifications.
2943          */
2944         ret = hdev->ll_driver->parse(hdev);
2945         if (ret)
2946                 return ret;
2947         if (!hdev->dev_rdesc)
2948                 return -ENODEV;
2949
2950         /*
2951          * Scan generic devices for group information
2952          */
2953         if (hid_ignore_special_drivers) {
2954                 hdev->group = HID_GROUP_GENERIC;
2955         } else if (!hdev->group &&
2956                    !hid_match_id(hdev, hid_have_special_driver)) {
2957                 ret = hid_scan_report(hdev);
2958                 if (ret)
2959                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2960         }
2961
2962         /* XXX hack, any other cleaner solution after the driver core
2963          * is converted to allow more than 20 bytes as the device name? */
2964         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2965                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2966
2967         hid_debug_register(hdev, dev_name(&hdev->dev));
2968         ret = device_add(&hdev->dev);
2969         if (!ret)
2970                 hdev->status |= HID_STAT_ADDED;
2971         else
2972                 hid_debug_unregister(hdev);
2973
2974         return ret;
2975 }
2976 EXPORT_SYMBOL_GPL(hid_add_device);
2977
2978 /**
2979  * hid_allocate_device - allocate new hid device descriptor
2980  *
2981  * Allocate and initialize hid device, so that hid_destroy_device might be
2982  * used to free it.
2983  *
2984  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2985  * error value.
2986  */
2987 struct hid_device *hid_allocate_device(void)
2988 {
2989         struct hid_device *hdev;
2990         int ret = -ENOMEM;
2991
2992         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2993         if (hdev == NULL)
2994                 return ERR_PTR(ret);
2995
2996         device_initialize(&hdev->dev);
2997         hdev->dev.release = hid_device_release;
2998         hdev->dev.bus = &hid_bus_type;
2999         device_enable_async_suspend(&hdev->dev);
3000
3001         hid_close_report(hdev);
3002
3003         init_waitqueue_head(&hdev->debug_wait);
3004         INIT_LIST_HEAD(&hdev->debug_list);
3005         spin_lock_init(&hdev->debug_list_lock);
3006         sema_init(&hdev->driver_input_lock, 1);
3007         mutex_init(&hdev->ll_open_lock);
3008
3009         return hdev;
3010 }
3011 EXPORT_SYMBOL_GPL(hid_allocate_device);
3012
3013 static void hid_remove_device(struct hid_device *hdev)
3014 {
3015         if (hdev->status & HID_STAT_ADDED) {
3016                 device_del(&hdev->dev);
3017                 hid_debug_unregister(hdev);
3018                 hdev->status &= ~HID_STAT_ADDED;
3019         }
3020         kfree(hdev->dev_rdesc);
3021         hdev->dev_rdesc = NULL;
3022         hdev->dev_rsize = 0;
3023 }
3024
3025 /**
3026  * hid_destroy_device - free previously allocated device
3027  *
3028  * @hdev: hid device
3029  *
3030  * If you allocate hid_device through hid_allocate_device, you should ever
3031  * free by this function.
3032  */
3033 void hid_destroy_device(struct hid_device *hdev)
3034 {
3035         hid_remove_device(hdev);
3036         put_device(&hdev->dev);
3037 }
3038 EXPORT_SYMBOL_GPL(hid_destroy_device);
3039
3040 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
3041                 const char *mod_name)
3042 {
3043         hdrv->driver.name = hdrv->name;
3044         hdrv->driver.bus = &hid_bus_type;
3045         hdrv->driver.owner = owner;
3046         hdrv->driver.mod_name = mod_name;
3047
3048         INIT_LIST_HEAD(&hdrv->dyn_list);
3049         spin_lock_init(&hdrv->dyn_lock);
3050
3051         return driver_register(&hdrv->driver);
3052 }
3053 EXPORT_SYMBOL_GPL(__hid_register_driver);
3054
3055 void hid_unregister_driver(struct hid_driver *hdrv)
3056 {
3057         driver_unregister(&hdrv->driver);
3058         hid_free_dynids(hdrv);
3059 }
3060 EXPORT_SYMBOL_GPL(hid_unregister_driver);
3061
3062 int hid_check_keys_pressed(struct hid_device *hid)
3063 {
3064         struct hid_input *hidinput;
3065         int i;
3066
3067         if (!(hid->claimed & HID_CLAIMED_INPUT))
3068                 return 0;
3069
3070         list_for_each_entry(hidinput, &hid->inputs, list) {
3071                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
3072                         if (hidinput->input->key[i])
3073                                 return 1;
3074         }
3075
3076         return 0;
3077 }
3078
3079 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
3080
3081 static int __init hid_init(void)
3082 {
3083         int ret;
3084
3085         if (hid_debug)
3086                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
3087                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
3088
3089         ret = bus_register(&hid_bus_type);
3090         if (ret) {
3091                 pr_err("can't register hid bus\n");
3092                 goto err;
3093         }
3094
3095         ret = hidraw_init();
3096         if (ret)
3097                 goto err_bus;
3098
3099         hid_debug_init();
3100
3101         return 0;
3102 err_bus:
3103         bus_unregister(&hid_bus_type);
3104 err:
3105         return ret;
3106 }
3107
3108 static void __exit hid_exit(void)
3109 {
3110         hid_debug_exit();
3111         hidraw_exit();
3112         bus_unregister(&hid_bus_type);
3113 }
3114
3115 module_init(hid_init);
3116 module_exit(hid_exit);
3117
3118 MODULE_AUTHOR("Andreas Gal");
3119 MODULE_AUTHOR("Vojtech Pavlik");
3120 MODULE_AUTHOR("Jiri Kosina");
3121 MODULE_LICENSE("GPL");
3122