Merge branch 'for-4.3/gembird' into for-linus
[linux-drm-fsl-dcu.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 #define DRIVER_LICENSE "GPL"
47
48 int hid_debug = 0;
49 module_param_named(debug, hid_debug, int, 0600);
50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51 EXPORT_SYMBOL_GPL(hid_debug);
52
53 static int hid_ignore_special_drivers = 0;
54 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55 MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
56
57 /*
58  * Register a new report for a device.
59  */
60
61 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
62 {
63         struct hid_report_enum *report_enum = device->report_enum + type;
64         struct hid_report *report;
65
66         if (id >= HID_MAX_IDS)
67                 return NULL;
68         if (report_enum->report_id_hash[id])
69                 return report_enum->report_id_hash[id];
70
71         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
72         if (!report)
73                 return NULL;
74
75         if (id != 0)
76                 report_enum->numbered = 1;
77
78         report->id = id;
79         report->type = type;
80         report->size = 0;
81         report->device = device;
82         report_enum->report_id_hash[id] = report;
83
84         list_add_tail(&report->list, &report_enum->report_list);
85
86         return report;
87 }
88 EXPORT_SYMBOL_GPL(hid_register_report);
89
90 /*
91  * Register a new field for this report.
92  */
93
94 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
95 {
96         struct hid_field *field;
97
98         if (report->maxfield == HID_MAX_FIELDS) {
99                 hid_err(report->device, "too many fields in report\n");
100                 return NULL;
101         }
102
103         field = kzalloc((sizeof(struct hid_field) +
104                          usages * sizeof(struct hid_usage) +
105                          values * sizeof(unsigned)), GFP_KERNEL);
106         if (!field)
107                 return NULL;
108
109         field->index = report->maxfield++;
110         report->field[field->index] = field;
111         field->usage = (struct hid_usage *)(field + 1);
112         field->value = (s32 *)(field->usage + usages);
113         field->report = report;
114
115         return field;
116 }
117
118 /*
119  * Open a collection. The type/usage is pushed on the stack.
120  */
121
122 static int open_collection(struct hid_parser *parser, unsigned type)
123 {
124         struct hid_collection *collection;
125         unsigned usage;
126
127         usage = parser->local.usage[0];
128
129         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
130                 hid_err(parser->device, "collection stack overflow\n");
131                 return -EINVAL;
132         }
133
134         if (parser->device->maxcollection == parser->device->collection_size) {
135                 collection = kmalloc(sizeof(struct hid_collection) *
136                                 parser->device->collection_size * 2, GFP_KERNEL);
137                 if (collection == NULL) {
138                         hid_err(parser->device, "failed to reallocate collection array\n");
139                         return -ENOMEM;
140                 }
141                 memcpy(collection, parser->device->collection,
142                         sizeof(struct hid_collection) *
143                         parser->device->collection_size);
144                 memset(collection + parser->device->collection_size, 0,
145                         sizeof(struct hid_collection) *
146                         parser->device->collection_size);
147                 kfree(parser->device->collection);
148                 parser->device->collection = collection;
149                 parser->device->collection_size *= 2;
150         }
151
152         parser->collection_stack[parser->collection_stack_ptr++] =
153                 parser->device->maxcollection;
154
155         collection = parser->device->collection +
156                 parser->device->maxcollection++;
157         collection->type = type;
158         collection->usage = usage;
159         collection->level = parser->collection_stack_ptr - 1;
160
161         if (type == HID_COLLECTION_APPLICATION)
162                 parser->device->maxapplication++;
163
164         return 0;
165 }
166
167 /*
168  * Close a collection.
169  */
170
171 static int close_collection(struct hid_parser *parser)
172 {
173         if (!parser->collection_stack_ptr) {
174                 hid_err(parser->device, "collection stack underflow\n");
175                 return -EINVAL;
176         }
177         parser->collection_stack_ptr--;
178         return 0;
179 }
180
181 /*
182  * Climb up the stack, search for the specified collection type
183  * and return the usage.
184  */
185
186 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
187 {
188         struct hid_collection *collection = parser->device->collection;
189         int n;
190
191         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
192                 unsigned index = parser->collection_stack[n];
193                 if (collection[index].type == type)
194                         return collection[index].usage;
195         }
196         return 0; /* we know nothing about this usage type */
197 }
198
199 /*
200  * Add a usage to the temporary parser table.
201  */
202
203 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204 {
205         if (parser->local.usage_index >= HID_MAX_USAGES) {
206                 hid_err(parser->device, "usage index exceeded\n");
207                 return -1;
208         }
209         parser->local.usage[parser->local.usage_index] = usage;
210         parser->local.collection_index[parser->local.usage_index] =
211                 parser->collection_stack_ptr ?
212                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213         parser->local.usage_index++;
214         return 0;
215 }
216
217 /*
218  * Register a new field for this report.
219  */
220
221 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222 {
223         struct hid_report *report;
224         struct hid_field *field;
225         unsigned usages;
226         unsigned offset;
227         unsigned i;
228
229         report = hid_register_report(parser->device, report_type, parser->global.report_id);
230         if (!report) {
231                 hid_err(parser->device, "hid_register_report failed\n");
232                 return -1;
233         }
234
235         /* Handle both signed and unsigned cases properly */
236         if ((parser->global.logical_minimum < 0 &&
237                 parser->global.logical_maximum <
238                 parser->global.logical_minimum) ||
239                 (parser->global.logical_minimum >= 0 &&
240                 (__u32)parser->global.logical_maximum <
241                 (__u32)parser->global.logical_minimum)) {
242                 dbg_hid("logical range invalid 0x%x 0x%x\n",
243                         parser->global.logical_minimum,
244                         parser->global.logical_maximum);
245                 return -1;
246         }
247
248         offset = report->size;
249         report->size += parser->global.report_size * parser->global.report_count;
250
251         if (!parser->local.usage_index) /* Ignore padding fields */
252                 return 0;
253
254         usages = max_t(unsigned, parser->local.usage_index,
255                                  parser->global.report_count);
256
257         field = hid_register_field(report, usages, parser->global.report_count);
258         if (!field)
259                 return 0;
260
261         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264
265         for (i = 0; i < usages; i++) {
266                 unsigned j = i;
267                 /* Duplicate the last usage we parsed if we have excess values */
268                 if (i >= parser->local.usage_index)
269                         j = parser->local.usage_index - 1;
270                 field->usage[i].hid = parser->local.usage[j];
271                 field->usage[i].collection_index =
272                         parser->local.collection_index[j];
273                 field->usage[i].usage_index = i;
274         }
275
276         field->maxusage = usages;
277         field->flags = flags;
278         field->report_offset = offset;
279         field->report_type = report_type;
280         field->report_size = parser->global.report_size;
281         field->report_count = parser->global.report_count;
282         field->logical_minimum = parser->global.logical_minimum;
283         field->logical_maximum = parser->global.logical_maximum;
284         field->physical_minimum = parser->global.physical_minimum;
285         field->physical_maximum = parser->global.physical_maximum;
286         field->unit_exponent = parser->global.unit_exponent;
287         field->unit = parser->global.unit;
288
289         return 0;
290 }
291
292 /*
293  * Read data value from item.
294  */
295
296 static u32 item_udata(struct hid_item *item)
297 {
298         switch (item->size) {
299         case 1: return item->data.u8;
300         case 2: return item->data.u16;
301         case 4: return item->data.u32;
302         }
303         return 0;
304 }
305
306 static s32 item_sdata(struct hid_item *item)
307 {
308         switch (item->size) {
309         case 1: return item->data.s8;
310         case 2: return item->data.s16;
311         case 4: return item->data.s32;
312         }
313         return 0;
314 }
315
316 /*
317  * Process a global item.
318  */
319
320 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321 {
322         __s32 raw_value;
323         switch (item->tag) {
324         case HID_GLOBAL_ITEM_TAG_PUSH:
325
326                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
327                         hid_err(parser->device, "global environment stack overflow\n");
328                         return -1;
329                 }
330
331                 memcpy(parser->global_stack + parser->global_stack_ptr++,
332                         &parser->global, sizeof(struct hid_global));
333                 return 0;
334
335         case HID_GLOBAL_ITEM_TAG_POP:
336
337                 if (!parser->global_stack_ptr) {
338                         hid_err(parser->device, "global environment stack underflow\n");
339                         return -1;
340                 }
341
342                 memcpy(&parser->global, parser->global_stack +
343                         --parser->global_stack_ptr, sizeof(struct hid_global));
344                 return 0;
345
346         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347                 parser->global.usage_page = item_udata(item);
348                 return 0;
349
350         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351                 parser->global.logical_minimum = item_sdata(item);
352                 return 0;
353
354         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355                 if (parser->global.logical_minimum < 0)
356                         parser->global.logical_maximum = item_sdata(item);
357                 else
358                         parser->global.logical_maximum = item_udata(item);
359                 return 0;
360
361         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362                 parser->global.physical_minimum = item_sdata(item);
363                 return 0;
364
365         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366                 if (parser->global.physical_minimum < 0)
367                         parser->global.physical_maximum = item_sdata(item);
368                 else
369                         parser->global.physical_maximum = item_udata(item);
370                 return 0;
371
372         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
373                 /* Many devices provide unit exponent as a two's complement
374                  * nibble due to the common misunderstanding of HID
375                  * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376                  * both this and the standard encoding. */
377                 raw_value = item_sdata(item);
378                 if (!(raw_value & 0xfffffff0))
379                         parser->global.unit_exponent = hid_snto32(raw_value, 4);
380                 else
381                         parser->global.unit_exponent = raw_value;
382                 return 0;
383
384         case HID_GLOBAL_ITEM_TAG_UNIT:
385                 parser->global.unit = item_udata(item);
386                 return 0;
387
388         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389                 parser->global.report_size = item_udata(item);
390                 if (parser->global.report_size > 128) {
391                         hid_err(parser->device, "invalid report_size %d\n",
392                                         parser->global.report_size);
393                         return -1;
394                 }
395                 return 0;
396
397         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398                 parser->global.report_count = item_udata(item);
399                 if (parser->global.report_count > HID_MAX_USAGES) {
400                         hid_err(parser->device, "invalid report_count %d\n",
401                                         parser->global.report_count);
402                         return -1;
403                 }
404                 return 0;
405
406         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407                 parser->global.report_id = item_udata(item);
408                 if (parser->global.report_id == 0 ||
409                     parser->global.report_id >= HID_MAX_IDS) {
410                         hid_err(parser->device, "report_id %u is invalid\n",
411                                 parser->global.report_id);
412                         return -1;
413                 }
414                 return 0;
415
416         default:
417                 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
418                 return -1;
419         }
420 }
421
422 /*
423  * Process a local item.
424  */
425
426 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427 {
428         __u32 data;
429         unsigned n;
430         __u32 count;
431
432         data = item_udata(item);
433
434         switch (item->tag) {
435         case HID_LOCAL_ITEM_TAG_DELIMITER:
436
437                 if (data) {
438                         /*
439                          * We treat items before the first delimiter
440                          * as global to all usage sets (branch 0).
441                          * In the moment we process only these global
442                          * items and the first delimiter set.
443                          */
444                         if (parser->local.delimiter_depth != 0) {
445                                 hid_err(parser->device, "nested delimiters\n");
446                                 return -1;
447                         }
448                         parser->local.delimiter_depth++;
449                         parser->local.delimiter_branch++;
450                 } else {
451                         if (parser->local.delimiter_depth < 1) {
452                                 hid_err(parser->device, "bogus close delimiter\n");
453                                 return -1;
454                         }
455                         parser->local.delimiter_depth--;
456                 }
457                 return 0;
458
459         case HID_LOCAL_ITEM_TAG_USAGE:
460
461                 if (parser->local.delimiter_branch > 1) {
462                         dbg_hid("alternative usage ignored\n");
463                         return 0;
464                 }
465
466                 if (item->size <= 2)
467                         data = (parser->global.usage_page << 16) + data;
468
469                 return hid_add_usage(parser, data);
470
471         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
472
473                 if (parser->local.delimiter_branch > 1) {
474                         dbg_hid("alternative usage ignored\n");
475                         return 0;
476                 }
477
478                 if (item->size <= 2)
479                         data = (parser->global.usage_page << 16) + data;
480
481                 parser->local.usage_minimum = data;
482                 return 0;
483
484         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
485
486                 if (parser->local.delimiter_branch > 1) {
487                         dbg_hid("alternative usage ignored\n");
488                         return 0;
489                 }
490
491                 if (item->size <= 2)
492                         data = (parser->global.usage_page << 16) + data;
493
494                 count = data - parser->local.usage_minimum;
495                 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
496                         /*
497                          * We do not warn if the name is not set, we are
498                          * actually pre-scanning the device.
499                          */
500                         if (dev_name(&parser->device->dev))
501                                 hid_warn(parser->device,
502                                          "ignoring exceeding usage max\n");
503                         data = HID_MAX_USAGES - parser->local.usage_index +
504                                 parser->local.usage_minimum - 1;
505                         if (data <= 0) {
506                                 hid_err(parser->device,
507                                         "no more usage index available\n");
508                                 return -1;
509                         }
510                 }
511
512                 for (n = parser->local.usage_minimum; n <= data; n++)
513                         if (hid_add_usage(parser, n)) {
514                                 dbg_hid("hid_add_usage failed\n");
515                                 return -1;
516                         }
517                 return 0;
518
519         default:
520
521                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
522                 return 0;
523         }
524         return 0;
525 }
526
527 /*
528  * Process a main item.
529  */
530
531 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
532 {
533         __u32 data;
534         int ret;
535
536         data = item_udata(item);
537
538         switch (item->tag) {
539         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
540                 ret = open_collection(parser, data & 0xff);
541                 break;
542         case HID_MAIN_ITEM_TAG_END_COLLECTION:
543                 ret = close_collection(parser);
544                 break;
545         case HID_MAIN_ITEM_TAG_INPUT:
546                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
547                 break;
548         case HID_MAIN_ITEM_TAG_OUTPUT:
549                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
550                 break;
551         case HID_MAIN_ITEM_TAG_FEATURE:
552                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
553                 break;
554         default:
555                 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
556                 ret = 0;
557         }
558
559         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
560
561         return ret;
562 }
563
564 /*
565  * Process a reserved item.
566  */
567
568 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
569 {
570         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
571         return 0;
572 }
573
574 /*
575  * Free a report and all registered fields. The field->usage and
576  * field->value table's are allocated behind the field, so we need
577  * only to free(field) itself.
578  */
579
580 static void hid_free_report(struct hid_report *report)
581 {
582         unsigned n;
583
584         for (n = 0; n < report->maxfield; n++)
585                 kfree(report->field[n]);
586         kfree(report);
587 }
588
589 /*
590  * Close report. This function returns the device
591  * state to the point prior to hid_open_report().
592  */
593 static void hid_close_report(struct hid_device *device)
594 {
595         unsigned i, j;
596
597         for (i = 0; i < HID_REPORT_TYPES; i++) {
598                 struct hid_report_enum *report_enum = device->report_enum + i;
599
600                 for (j = 0; j < HID_MAX_IDS; j++) {
601                         struct hid_report *report = report_enum->report_id_hash[j];
602                         if (report)
603                                 hid_free_report(report);
604                 }
605                 memset(report_enum, 0, sizeof(*report_enum));
606                 INIT_LIST_HEAD(&report_enum->report_list);
607         }
608
609         kfree(device->rdesc);
610         device->rdesc = NULL;
611         device->rsize = 0;
612
613         kfree(device->collection);
614         device->collection = NULL;
615         device->collection_size = 0;
616         device->maxcollection = 0;
617         device->maxapplication = 0;
618
619         device->status &= ~HID_STAT_PARSED;
620 }
621
622 /*
623  * Free a device structure, all reports, and all fields.
624  */
625
626 static void hid_device_release(struct device *dev)
627 {
628         struct hid_device *hid = container_of(dev, struct hid_device, dev);
629
630         hid_close_report(hid);
631         kfree(hid->dev_rdesc);
632         kfree(hid);
633 }
634
635 /*
636  * Fetch a report description item from the data stream. We support long
637  * items, though they are not used yet.
638  */
639
640 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
641 {
642         u8 b;
643
644         if ((end - start) <= 0)
645                 return NULL;
646
647         b = *start++;
648
649         item->type = (b >> 2) & 3;
650         item->tag  = (b >> 4) & 15;
651
652         if (item->tag == HID_ITEM_TAG_LONG) {
653
654                 item->format = HID_ITEM_FORMAT_LONG;
655
656                 if ((end - start) < 2)
657                         return NULL;
658
659                 item->size = *start++;
660                 item->tag  = *start++;
661
662                 if ((end - start) < item->size)
663                         return NULL;
664
665                 item->data.longdata = start;
666                 start += item->size;
667                 return start;
668         }
669
670         item->format = HID_ITEM_FORMAT_SHORT;
671         item->size = b & 3;
672
673         switch (item->size) {
674         case 0:
675                 return start;
676
677         case 1:
678                 if ((end - start) < 1)
679                         return NULL;
680                 item->data.u8 = *start++;
681                 return start;
682
683         case 2:
684                 if ((end - start) < 2)
685                         return NULL;
686                 item->data.u16 = get_unaligned_le16(start);
687                 start = (__u8 *)((__le16 *)start + 1);
688                 return start;
689
690         case 3:
691                 item->size++;
692                 if ((end - start) < 4)
693                         return NULL;
694                 item->data.u32 = get_unaligned_le32(start);
695                 start = (__u8 *)((__le32 *)start + 1);
696                 return start;
697         }
698
699         return NULL;
700 }
701
702 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
703 {
704         struct hid_device *hid = parser->device;
705
706         if (usage == HID_DG_CONTACTID)
707                 hid->group = HID_GROUP_MULTITOUCH;
708 }
709
710 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
711 {
712         if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
713             parser->global.report_size == 8)
714                 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
715 }
716
717 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
718 {
719         struct hid_device *hid = parser->device;
720         int i;
721
722         if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
723             type == HID_COLLECTION_PHYSICAL)
724                 hid->group = HID_GROUP_SENSOR_HUB;
725
726         if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
727             (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
728              hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3_JP ||
729              hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
730             hid->group == HID_GROUP_MULTITOUCH)
731                 hid->group = HID_GROUP_GENERIC;
732
733         if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
734                 for (i = 0; i < parser->local.usage_index; i++)
735                         if (parser->local.usage[i] == HID_GD_POINTER)
736                                 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
737
738         if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
739                 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
740 }
741
742 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
743 {
744         __u32 data;
745         int i;
746
747         data = item_udata(item);
748
749         switch (item->tag) {
750         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
751                 hid_scan_collection(parser, data & 0xff);
752                 break;
753         case HID_MAIN_ITEM_TAG_END_COLLECTION:
754                 break;
755         case HID_MAIN_ITEM_TAG_INPUT:
756                 /* ignore constant inputs, they will be ignored by hid-input */
757                 if (data & HID_MAIN_ITEM_CONSTANT)
758                         break;
759                 for (i = 0; i < parser->local.usage_index; i++)
760                         hid_scan_input_usage(parser, parser->local.usage[i]);
761                 break;
762         case HID_MAIN_ITEM_TAG_OUTPUT:
763                 break;
764         case HID_MAIN_ITEM_TAG_FEATURE:
765                 for (i = 0; i < parser->local.usage_index; i++)
766                         hid_scan_feature_usage(parser, parser->local.usage[i]);
767                 break;
768         }
769
770         /* Reset the local parser environment */
771         memset(&parser->local, 0, sizeof(parser->local));
772
773         return 0;
774 }
775
776 /*
777  * Scan a report descriptor before the device is added to the bus.
778  * Sets device groups and other properties that determine what driver
779  * to load.
780  */
781 static int hid_scan_report(struct hid_device *hid)
782 {
783         struct hid_parser *parser;
784         struct hid_item item;
785         __u8 *start = hid->dev_rdesc;
786         __u8 *end = start + hid->dev_rsize;
787         static int (*dispatch_type[])(struct hid_parser *parser,
788                                       struct hid_item *item) = {
789                 hid_scan_main,
790                 hid_parser_global,
791                 hid_parser_local,
792                 hid_parser_reserved
793         };
794
795         parser = vzalloc(sizeof(struct hid_parser));
796         if (!parser)
797                 return -ENOMEM;
798
799         parser->device = hid;
800         hid->group = HID_GROUP_GENERIC;
801
802         /*
803          * The parsing is simpler than the one in hid_open_report() as we should
804          * be robust against hid errors. Those errors will be raised by
805          * hid_open_report() anyway.
806          */
807         while ((start = fetch_item(start, end, &item)) != NULL)
808                 dispatch_type[item.type](parser, &item);
809
810         /*
811          * Handle special flags set during scanning.
812          */
813         if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
814             (hid->group == HID_GROUP_MULTITOUCH))
815                 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
816
817         /*
818          * Vendor specific handlings
819          */
820         switch (hid->vendor) {
821         case USB_VENDOR_ID_WACOM:
822                 hid->group = HID_GROUP_WACOM;
823                 break;
824         case USB_VENDOR_ID_SYNAPTICS:
825                 if (hid->group == HID_GROUP_GENERIC)
826                         if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
827                             && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
828                                 /*
829                                  * hid-rmi should take care of them,
830                                  * not hid-generic
831                                  */
832                                 hid->group = HID_GROUP_RMI;
833                 break;
834         }
835
836         vfree(parser);
837         return 0;
838 }
839
840 /**
841  * hid_parse_report - parse device report
842  *
843  * @device: hid device
844  * @start: report start
845  * @size: report size
846  *
847  * Allocate the device report as read by the bus driver. This function should
848  * only be called from parse() in ll drivers.
849  */
850 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
851 {
852         hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
853         if (!hid->dev_rdesc)
854                 return -ENOMEM;
855         hid->dev_rsize = size;
856         return 0;
857 }
858 EXPORT_SYMBOL_GPL(hid_parse_report);
859
860 static const char * const hid_report_names[] = {
861         "HID_INPUT_REPORT",
862         "HID_OUTPUT_REPORT",
863         "HID_FEATURE_REPORT",
864 };
865 /**
866  * hid_validate_values - validate existing device report's value indexes
867  *
868  * @device: hid device
869  * @type: which report type to examine
870  * @id: which report ID to examine (0 for first)
871  * @field_index: which report field to examine
872  * @report_counts: expected number of values
873  *
874  * Validate the number of values in a given field of a given report, after
875  * parsing.
876  */
877 struct hid_report *hid_validate_values(struct hid_device *hid,
878                                        unsigned int type, unsigned int id,
879                                        unsigned int field_index,
880                                        unsigned int report_counts)
881 {
882         struct hid_report *report;
883
884         if (type > HID_FEATURE_REPORT) {
885                 hid_err(hid, "invalid HID report type %u\n", type);
886                 return NULL;
887         }
888
889         if (id >= HID_MAX_IDS) {
890                 hid_err(hid, "invalid HID report id %u\n", id);
891                 return NULL;
892         }
893
894         /*
895          * Explicitly not using hid_get_report() here since it depends on
896          * ->numbered being checked, which may not always be the case when
897          * drivers go to access report values.
898          */
899         if (id == 0) {
900                 /*
901                  * Validating on id 0 means we should examine the first
902                  * report in the list.
903                  */
904                 report = list_entry(
905                                 hid->report_enum[type].report_list.next,
906                                 struct hid_report, list);
907         } else {
908                 report = hid->report_enum[type].report_id_hash[id];
909         }
910         if (!report) {
911                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
912                 return NULL;
913         }
914         if (report->maxfield <= field_index) {
915                 hid_err(hid, "not enough fields in %s %u\n",
916                         hid_report_names[type], id);
917                 return NULL;
918         }
919         if (report->field[field_index]->report_count < report_counts) {
920                 hid_err(hid, "not enough values in %s %u field %u\n",
921                         hid_report_names[type], id, field_index);
922                 return NULL;
923         }
924         return report;
925 }
926 EXPORT_SYMBOL_GPL(hid_validate_values);
927
928 /**
929  * hid_open_report - open a driver-specific device report
930  *
931  * @device: hid device
932  *
933  * Parse a report description into a hid_device structure. Reports are
934  * enumerated, fields are attached to these reports.
935  * 0 returned on success, otherwise nonzero error value.
936  *
937  * This function (or the equivalent hid_parse() macro) should only be
938  * called from probe() in drivers, before starting the device.
939  */
940 int hid_open_report(struct hid_device *device)
941 {
942         struct hid_parser *parser;
943         struct hid_item item;
944         unsigned int size;
945         __u8 *start;
946         __u8 *buf;
947         __u8 *end;
948         int ret;
949         static int (*dispatch_type[])(struct hid_parser *parser,
950                                       struct hid_item *item) = {
951                 hid_parser_main,
952                 hid_parser_global,
953                 hid_parser_local,
954                 hid_parser_reserved
955         };
956
957         if (WARN_ON(device->status & HID_STAT_PARSED))
958                 return -EBUSY;
959
960         start = device->dev_rdesc;
961         if (WARN_ON(!start))
962                 return -ENODEV;
963         size = device->dev_rsize;
964
965         buf = kmemdup(start, size, GFP_KERNEL);
966         if (buf == NULL)
967                 return -ENOMEM;
968
969         if (device->driver->report_fixup)
970                 start = device->driver->report_fixup(device, buf, &size);
971         else
972                 start = buf;
973
974         start = kmemdup(start, size, GFP_KERNEL);
975         kfree(buf);
976         if (start == NULL)
977                 return -ENOMEM;
978
979         device->rdesc = start;
980         device->rsize = size;
981
982         parser = vzalloc(sizeof(struct hid_parser));
983         if (!parser) {
984                 ret = -ENOMEM;
985                 goto err;
986         }
987
988         parser->device = device;
989
990         end = start + size;
991
992         device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
993                                      sizeof(struct hid_collection), GFP_KERNEL);
994         if (!device->collection) {
995                 ret = -ENOMEM;
996                 goto err;
997         }
998         device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
999
1000         ret = -EINVAL;
1001         while ((start = fetch_item(start, end, &item)) != NULL) {
1002
1003                 if (item.format != HID_ITEM_FORMAT_SHORT) {
1004                         hid_err(device, "unexpected long global item\n");
1005                         goto err;
1006                 }
1007
1008                 if (dispatch_type[item.type](parser, &item)) {
1009                         hid_err(device, "item %u %u %u %u parsing failed\n",
1010                                 item.format, (unsigned)item.size,
1011                                 (unsigned)item.type, (unsigned)item.tag);
1012                         goto err;
1013                 }
1014
1015                 if (start == end) {
1016                         if (parser->collection_stack_ptr) {
1017                                 hid_err(device, "unbalanced collection at end of report description\n");
1018                                 goto err;
1019                         }
1020                         if (parser->local.delimiter_depth) {
1021                                 hid_err(device, "unbalanced delimiter at end of report description\n");
1022                                 goto err;
1023                         }
1024                         vfree(parser);
1025                         device->status |= HID_STAT_PARSED;
1026                         return 0;
1027                 }
1028         }
1029
1030         hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
1031 err:
1032         vfree(parser);
1033         hid_close_report(device);
1034         return ret;
1035 }
1036 EXPORT_SYMBOL_GPL(hid_open_report);
1037
1038 /*
1039  * Convert a signed n-bit integer to signed 32-bit integer. Common
1040  * cases are done through the compiler, the screwed things has to be
1041  * done by hand.
1042  */
1043
1044 static s32 snto32(__u32 value, unsigned n)
1045 {
1046         switch (n) {
1047         case 8:  return ((__s8)value);
1048         case 16: return ((__s16)value);
1049         case 32: return ((__s32)value);
1050         }
1051         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1052 }
1053
1054 s32 hid_snto32(__u32 value, unsigned n)
1055 {
1056         return snto32(value, n);
1057 }
1058 EXPORT_SYMBOL_GPL(hid_snto32);
1059
1060 /*
1061  * Convert a signed 32-bit integer to a signed n-bit integer.
1062  */
1063
1064 static u32 s32ton(__s32 value, unsigned n)
1065 {
1066         s32 a = value >> (n - 1);
1067         if (a && a != -1)
1068                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1069         return value & ((1 << n) - 1);
1070 }
1071
1072 /*
1073  * Extract/implement a data field from/to a little endian report (bit array).
1074  *
1075  * Code sort-of follows HID spec:
1076  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1077  *
1078  * While the USB HID spec allows unlimited length bit fields in "report
1079  * descriptors", most devices never use more than 16 bits.
1080  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1081  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1082  */
1083
1084 __u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
1085                      unsigned offset, unsigned n)
1086 {
1087         u64 x;
1088
1089         if (n > 32)
1090                 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
1091                          n, current->comm);
1092
1093         report += offset >> 3;  /* adjust byte index */
1094         offset &= 7;            /* now only need bit offset into one byte */
1095         x = get_unaligned_le64(report);
1096         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
1097         return (u32) x;
1098 }
1099 EXPORT_SYMBOL_GPL(hid_field_extract);
1100
1101 /*
1102  * "implement" : set bits in a little endian bit stream.
1103  * Same concepts as "extract" (see comments above).
1104  * The data mangled in the bit stream remains in little endian
1105  * order the whole time. It make more sense to talk about
1106  * endianness of register values by considering a register
1107  * a "cached" copy of the little endiad bit stream.
1108  */
1109 static void implement(const struct hid_device *hid, __u8 *report,
1110                       unsigned offset, unsigned n, __u32 value)
1111 {
1112         u64 x;
1113         u64 m = (1ULL << n) - 1;
1114
1115         if (n > 32)
1116                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1117                          __func__, n, current->comm);
1118
1119         if (value > m)
1120                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1121                          __func__, value, current->comm);
1122         WARN_ON(value > m);
1123         value &= m;
1124
1125         report += offset >> 3;
1126         offset &= 7;
1127
1128         x = get_unaligned_le64(report);
1129         x &= ~(m << offset);
1130         x |= ((u64)value) << offset;
1131         put_unaligned_le64(x, report);
1132 }
1133
1134 /*
1135  * Search an array for a value.
1136  */
1137
1138 static int search(__s32 *array, __s32 value, unsigned n)
1139 {
1140         while (n--) {
1141                 if (*array++ == value)
1142                         return 0;
1143         }
1144         return -1;
1145 }
1146
1147 /**
1148  * hid_match_report - check if driver's raw_event should be called
1149  *
1150  * @hid: hid device
1151  * @report_type: type to match against
1152  *
1153  * compare hid->driver->report_table->report_type to report->type
1154  */
1155 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1156 {
1157         const struct hid_report_id *id = hid->driver->report_table;
1158
1159         if (!id) /* NULL means all */
1160                 return 1;
1161
1162         for (; id->report_type != HID_TERMINATOR; id++)
1163                 if (id->report_type == HID_ANY_ID ||
1164                                 id->report_type == report->type)
1165                         return 1;
1166         return 0;
1167 }
1168
1169 /**
1170  * hid_match_usage - check if driver's event should be called
1171  *
1172  * @hid: hid device
1173  * @usage: usage to match against
1174  *
1175  * compare hid->driver->usage_table->usage_{type,code} to
1176  * usage->usage_{type,code}
1177  */
1178 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1179 {
1180         const struct hid_usage_id *id = hid->driver->usage_table;
1181
1182         if (!id) /* NULL means all */
1183                 return 1;
1184
1185         for (; id->usage_type != HID_ANY_ID - 1; id++)
1186                 if ((id->usage_hid == HID_ANY_ID ||
1187                                 id->usage_hid == usage->hid) &&
1188                                 (id->usage_type == HID_ANY_ID ||
1189                                 id->usage_type == usage->type) &&
1190                                 (id->usage_code == HID_ANY_ID ||
1191                                  id->usage_code == usage->code))
1192                         return 1;
1193         return 0;
1194 }
1195
1196 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1197                 struct hid_usage *usage, __s32 value, int interrupt)
1198 {
1199         struct hid_driver *hdrv = hid->driver;
1200         int ret;
1201
1202         if (!list_empty(&hid->debug_list))
1203                 hid_dump_input(hid, usage, value);
1204
1205         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1206                 ret = hdrv->event(hid, field, usage, value);
1207                 if (ret != 0) {
1208                         if (ret < 0)
1209                                 hid_err(hid, "%s's event failed with %d\n",
1210                                                 hdrv->name, ret);
1211                         return;
1212                 }
1213         }
1214
1215         if (hid->claimed & HID_CLAIMED_INPUT)
1216                 hidinput_hid_event(hid, field, usage, value);
1217         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1218                 hid->hiddev_hid_event(hid, field, usage, value);
1219 }
1220
1221 /*
1222  * Analyse a received field, and fetch the data from it. The field
1223  * content is stored for next report processing (we do differential
1224  * reporting to the layer).
1225  */
1226
1227 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1228                             __u8 *data, int interrupt)
1229 {
1230         unsigned n;
1231         unsigned count = field->report_count;
1232         unsigned offset = field->report_offset;
1233         unsigned size = field->report_size;
1234         __s32 min = field->logical_minimum;
1235         __s32 max = field->logical_maximum;
1236         __s32 *value;
1237
1238         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1239         if (!value)
1240                 return;
1241
1242         for (n = 0; n < count; n++) {
1243
1244                 value[n] = min < 0 ?
1245                         snto32(hid_field_extract(hid, data, offset + n * size,
1246                                size), size) :
1247                         hid_field_extract(hid, data, offset + n * size, size);
1248
1249                 /* Ignore report if ErrorRollOver */
1250                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1251                     value[n] >= min && value[n] <= max &&
1252                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1253                         goto exit;
1254         }
1255
1256         for (n = 0; n < count; n++) {
1257
1258                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1259                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1260                         continue;
1261                 }
1262
1263                 if (field->value[n] >= min && field->value[n] <= max
1264                         && field->usage[field->value[n] - min].hid
1265                         && search(value, field->value[n], count))
1266                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1267
1268                 if (value[n] >= min && value[n] <= max
1269                         && field->usage[value[n] - min].hid
1270                         && search(field->value, value[n], count))
1271                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1272         }
1273
1274         memcpy(field->value, value, count * sizeof(__s32));
1275 exit:
1276         kfree(value);
1277 }
1278
1279 /*
1280  * Output the field into the report.
1281  */
1282
1283 static void hid_output_field(const struct hid_device *hid,
1284                              struct hid_field *field, __u8 *data)
1285 {
1286         unsigned count = field->report_count;
1287         unsigned offset = field->report_offset;
1288         unsigned size = field->report_size;
1289         unsigned n;
1290
1291         for (n = 0; n < count; n++) {
1292                 if (field->logical_minimum < 0) /* signed values */
1293                         implement(hid, data, offset + n * size, size,
1294                                   s32ton(field->value[n], size));
1295                 else                            /* unsigned values */
1296                         implement(hid, data, offset + n * size, size,
1297                                   field->value[n]);
1298         }
1299 }
1300
1301 /*
1302  * Create a report. 'data' has to be allocated using
1303  * hid_alloc_report_buf() so that it has proper size.
1304  */
1305
1306 void hid_output_report(struct hid_report *report, __u8 *data)
1307 {
1308         unsigned n;
1309
1310         if (report->id > 0)
1311                 *data++ = report->id;
1312
1313         memset(data, 0, ((report->size - 1) >> 3) + 1);
1314         for (n = 0; n < report->maxfield; n++)
1315                 hid_output_field(report->device, report->field[n], data);
1316 }
1317 EXPORT_SYMBOL_GPL(hid_output_report);
1318
1319 /*
1320  * Allocator for buffer that is going to be passed to hid_output_report()
1321  */
1322 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1323 {
1324         /*
1325          * 7 extra bytes are necessary to achieve proper functionality
1326          * of implement() working on 8 byte chunks
1327          */
1328
1329         int len = hid_report_len(report) + 7;
1330
1331         return kmalloc(len, flags);
1332 }
1333 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1334
1335 /*
1336  * Set a field value. The report this field belongs to has to be
1337  * created and transferred to the device, to set this value in the
1338  * device.
1339  */
1340
1341 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1342 {
1343         unsigned size;
1344
1345         if (!field)
1346                 return -1;
1347
1348         size = field->report_size;
1349
1350         hid_dump_input(field->report->device, field->usage + offset, value);
1351
1352         if (offset >= field->report_count) {
1353                 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1354                                 offset, field->report_count);
1355                 return -1;
1356         }
1357         if (field->logical_minimum < 0) {
1358                 if (value != snto32(s32ton(value, size), size)) {
1359                         hid_err(field->report->device, "value %d is out of range\n", value);
1360                         return -1;
1361                 }
1362         }
1363         field->value[offset] = value;
1364         return 0;
1365 }
1366 EXPORT_SYMBOL_GPL(hid_set_field);
1367
1368 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1369                 const u8 *data)
1370 {
1371         struct hid_report *report;
1372         unsigned int n = 0;     /* Normally report number is 0 */
1373
1374         /* Device uses numbered reports, data[0] is report number */
1375         if (report_enum->numbered)
1376                 n = *data;
1377
1378         report = report_enum->report_id_hash[n];
1379         if (report == NULL)
1380                 dbg_hid("undefined report_id %u received\n", n);
1381
1382         return report;
1383 }
1384
1385 /*
1386  * Implement a generic .request() callback, using .raw_request()
1387  * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1388  */
1389 void __hid_request(struct hid_device *hid, struct hid_report *report,
1390                 int reqtype)
1391 {
1392         char *buf;
1393         int ret;
1394         int len;
1395
1396         buf = hid_alloc_report_buf(report, GFP_KERNEL);
1397         if (!buf)
1398                 return;
1399
1400         len = hid_report_len(report);
1401
1402         if (reqtype == HID_REQ_SET_REPORT)
1403                 hid_output_report(report, buf);
1404
1405         ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1406                                           report->type, reqtype);
1407         if (ret < 0) {
1408                 dbg_hid("unable to complete request: %d\n", ret);
1409                 goto out;
1410         }
1411
1412         if (reqtype == HID_REQ_GET_REPORT)
1413                 hid_input_report(hid, report->type, buf, ret, 0);
1414
1415 out:
1416         kfree(buf);
1417 }
1418 EXPORT_SYMBOL_GPL(__hid_request);
1419
1420 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1421                 int interrupt)
1422 {
1423         struct hid_report_enum *report_enum = hid->report_enum + type;
1424         struct hid_report *report;
1425         struct hid_driver *hdrv;
1426         unsigned int a;
1427         int rsize, csize = size;
1428         u8 *cdata = data;
1429         int ret = 0;
1430
1431         report = hid_get_report(report_enum, data);
1432         if (!report)
1433                 goto out;
1434
1435         if (report_enum->numbered) {
1436                 cdata++;
1437                 csize--;
1438         }
1439
1440         rsize = ((report->size - 1) >> 3) + 1;
1441
1442         if (rsize > HID_MAX_BUFFER_SIZE)
1443                 rsize = HID_MAX_BUFFER_SIZE;
1444
1445         if (csize < rsize) {
1446                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1447                                 csize, rsize);
1448                 memset(cdata + csize, 0, rsize - csize);
1449         }
1450
1451         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1452                 hid->hiddev_report_event(hid, report);
1453         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1454                 ret = hidraw_report_event(hid, data, size);
1455                 if (ret)
1456                         goto out;
1457         }
1458
1459         if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1460                 for (a = 0; a < report->maxfield; a++)
1461                         hid_input_field(hid, report->field[a], cdata, interrupt);
1462                 hdrv = hid->driver;
1463                 if (hdrv && hdrv->report)
1464                         hdrv->report(hid, report);
1465         }
1466
1467         if (hid->claimed & HID_CLAIMED_INPUT)
1468                 hidinput_report_event(hid, report);
1469 out:
1470         return ret;
1471 }
1472 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1473
1474 /**
1475  * hid_input_report - report data from lower layer (usb, bt...)
1476  *
1477  * @hid: hid device
1478  * @type: HID report type (HID_*_REPORT)
1479  * @data: report contents
1480  * @size: size of data parameter
1481  * @interrupt: distinguish between interrupt and control transfers
1482  *
1483  * This is data entry for lower layers.
1484  */
1485 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1486 {
1487         struct hid_report_enum *report_enum;
1488         struct hid_driver *hdrv;
1489         struct hid_report *report;
1490         int ret = 0;
1491
1492         if (!hid)
1493                 return -ENODEV;
1494
1495         if (down_trylock(&hid->driver_input_lock))
1496                 return -EBUSY;
1497
1498         if (!hid->driver) {
1499                 ret = -ENODEV;
1500                 goto unlock;
1501         }
1502         report_enum = hid->report_enum + type;
1503         hdrv = hid->driver;
1504
1505         if (!size) {
1506                 dbg_hid("empty report\n");
1507                 ret = -1;
1508                 goto unlock;
1509         }
1510
1511         /* Avoid unnecessary overhead if debugfs is disabled */
1512         if (!list_empty(&hid->debug_list))
1513                 hid_dump_report(hid, type, data, size);
1514
1515         report = hid_get_report(report_enum, data);
1516
1517         if (!report) {
1518                 ret = -1;
1519                 goto unlock;
1520         }
1521
1522         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1523                 ret = hdrv->raw_event(hid, report, data, size);
1524                 if (ret < 0)
1525                         goto unlock;
1526         }
1527
1528         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1529
1530 unlock:
1531         up(&hid->driver_input_lock);
1532         return ret;
1533 }
1534 EXPORT_SYMBOL_GPL(hid_input_report);
1535
1536 static bool hid_match_one_id(struct hid_device *hdev,
1537                 const struct hid_device_id *id)
1538 {
1539         return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1540                 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1541                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1542                 (id->product == HID_ANY_ID || id->product == hdev->product);
1543 }
1544
1545 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1546                 const struct hid_device_id *id)
1547 {
1548         for (; id->bus; id++)
1549                 if (hid_match_one_id(hdev, id))
1550                         return id;
1551
1552         return NULL;
1553 }
1554
1555 static const struct hid_device_id hid_hiddev_list[] = {
1556         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1557         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1558         { }
1559 };
1560
1561 static bool hid_hiddev(struct hid_device *hdev)
1562 {
1563         return !!hid_match_id(hdev, hid_hiddev_list);
1564 }
1565
1566
1567 static ssize_t
1568 read_report_descriptor(struct file *filp, struct kobject *kobj,
1569                 struct bin_attribute *attr,
1570                 char *buf, loff_t off, size_t count)
1571 {
1572         struct device *dev = container_of(kobj, struct device, kobj);
1573         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1574
1575         if (off >= hdev->rsize)
1576                 return 0;
1577
1578         if (off + count > hdev->rsize)
1579                 count = hdev->rsize - off;
1580
1581         memcpy(buf, hdev->rdesc + off, count);
1582
1583         return count;
1584 }
1585
1586 static ssize_t
1587 show_country(struct device *dev, struct device_attribute *attr,
1588                 char *buf)
1589 {
1590         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1591
1592         return sprintf(buf, "%02x\n", hdev->country & 0xff);
1593 }
1594
1595 static struct bin_attribute dev_bin_attr_report_desc = {
1596         .attr = { .name = "report_descriptor", .mode = 0444 },
1597         .read = read_report_descriptor,
1598         .size = HID_MAX_DESCRIPTOR_SIZE,
1599 };
1600
1601 static struct device_attribute dev_attr_country = {
1602         .attr = { .name = "country", .mode = 0444 },
1603         .show = show_country,
1604 };
1605
1606 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1607 {
1608         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1609                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1610                 "Multi-Axis Controller"
1611         };
1612         const char *type, *bus;
1613         char buf[64];
1614         unsigned int i;
1615         int len;
1616         int ret;
1617
1618         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1619                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1620         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1621                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1622         if (hdev->bus != BUS_USB)
1623                 connect_mask &= ~HID_CONNECT_HIDDEV;
1624         if (hid_hiddev(hdev))
1625                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1626
1627         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1628                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1629                 hdev->claimed |= HID_CLAIMED_INPUT;
1630
1631         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1632                         !hdev->hiddev_connect(hdev,
1633                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1634                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1635         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1636                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1637
1638         if (connect_mask & HID_CONNECT_DRIVER)
1639                 hdev->claimed |= HID_CLAIMED_DRIVER;
1640
1641         /* Drivers with the ->raw_event callback set are not required to connect
1642          * to any other listener. */
1643         if (!hdev->claimed && !hdev->driver->raw_event) {
1644                 hid_err(hdev, "device has no listeners, quitting\n");
1645                 return -ENODEV;
1646         }
1647
1648         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1649                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1650                 hdev->ff_init(hdev);
1651
1652         len = 0;
1653         if (hdev->claimed & HID_CLAIMED_INPUT)
1654                 len += sprintf(buf + len, "input");
1655         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1656                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1657                                 hdev->minor);
1658         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1659                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1660                                 ((struct hidraw *)hdev->hidraw)->minor);
1661
1662         type = "Device";
1663         for (i = 0; i < hdev->maxcollection; i++) {
1664                 struct hid_collection *col = &hdev->collection[i];
1665                 if (col->type == HID_COLLECTION_APPLICATION &&
1666                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1667                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1668                         type = types[col->usage & 0xffff];
1669                         break;
1670                 }
1671         }
1672
1673         switch (hdev->bus) {
1674         case BUS_USB:
1675                 bus = "USB";
1676                 break;
1677         case BUS_BLUETOOTH:
1678                 bus = "BLUETOOTH";
1679                 break;
1680         default:
1681                 bus = "<UNKNOWN>";
1682         }
1683
1684         ret = device_create_file(&hdev->dev, &dev_attr_country);
1685         if (ret)
1686                 hid_warn(hdev,
1687                          "can't create sysfs country code attribute err: %d\n", ret);
1688
1689         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1690         if (ret)
1691                 hid_warn(hdev,
1692                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1693
1694         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1695                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1696                  type, hdev->name, hdev->phys);
1697
1698         return 0;
1699 }
1700 EXPORT_SYMBOL_GPL(hid_connect);
1701
1702 void hid_disconnect(struct hid_device *hdev)
1703 {
1704         device_remove_file(&hdev->dev, &dev_attr_country);
1705         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1706         if (hdev->claimed & HID_CLAIMED_INPUT)
1707                 hidinput_disconnect(hdev);
1708         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1709                 hdev->hiddev_disconnect(hdev);
1710         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1711                 hidraw_disconnect(hdev);
1712         hdev->claimed = 0;
1713 }
1714 EXPORT_SYMBOL_GPL(hid_disconnect);
1715
1716 /*
1717  * A list of devices for which there is a specialized driver on HID bus.
1718  *
1719  * Please note that for multitouch devices (driven by hid-multitouch driver),
1720  * there is a proper autodetection and autoloading in place (based on presence
1721  * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1722  * as we are doing the right thing in hid_scan_usage().
1723  *
1724  * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1725  * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1726  * used as a driver. See hid_scan_report().
1727  */
1728 static const struct hid_device_id hid_have_special_driver[] = {
1729         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1730         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1731         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1732         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1733         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1734         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1735         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1736         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1737         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1738         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1739         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1740         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1741         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1742         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1743         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1744         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1745         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1746         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1747         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1748         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1749         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1750         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1751         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1752         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1753         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1754         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1755         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1756         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1757         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1758         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1759         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1760         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1761         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1762         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1763         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1764         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1765         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1766         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1767         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1768         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1769         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1770         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1771         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1772         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1773         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1774         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1775         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1776         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1778         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1779         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1801         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1802         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
1807         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1808         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1809         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1810         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1811         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1812         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1838         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1841         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1855         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1861         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1875 #if IS_ENABLED(CONFIG_HID_LENOVO)
1876         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1878         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
1880 #endif
1881         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1885         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1886         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1908 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1909         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1911 #endif
1912         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1958 #if IS_ENABLED(CONFIG_HID_ROCCAT)
1959         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1975 #endif
1976 #if IS_ENABLED(CONFIG_HID_SAITEK)
1977         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
1982 #endif
1983         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1986         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
1990         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1992         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1993         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1995         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1997         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
2003         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2004         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
2005         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
2007         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
2008         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
2009         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
2010         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
2011         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
2012         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
2013         { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
2014         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
2015         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
2017         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
2018         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2019         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2020         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
2021         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
2022         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
2026         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
2027         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2028         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
2031         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
2032         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
2037         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
2038         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
2039         { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
2040         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2041         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
2043
2044         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
2045         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
2046         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
2047         { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
2048         { }
2049 };
2050
2051 struct hid_dynid {
2052         struct list_head list;
2053         struct hid_device_id id;
2054 };
2055
2056 /**
2057  * store_new_id - add a new HID device ID to this driver and re-probe devices
2058  * @driver: target device driver
2059  * @buf: buffer for scanning device ID data
2060  * @count: input size
2061  *
2062  * Adds a new dynamic hid device ID to this driver,
2063  * and causes the driver to probe for all devices again.
2064  */
2065 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2066                 size_t count)
2067 {
2068         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2069         struct hid_dynid *dynid;
2070         __u32 bus, vendor, product;
2071         unsigned long driver_data = 0;
2072         int ret;
2073
2074         ret = sscanf(buf, "%x %x %x %lx",
2075                         &bus, &vendor, &product, &driver_data);
2076         if (ret < 3)
2077                 return -EINVAL;
2078
2079         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2080         if (!dynid)
2081                 return -ENOMEM;
2082
2083         dynid->id.bus = bus;
2084         dynid->id.group = HID_GROUP_ANY;
2085         dynid->id.vendor = vendor;
2086         dynid->id.product = product;
2087         dynid->id.driver_data = driver_data;
2088
2089         spin_lock(&hdrv->dyn_lock);
2090         list_add_tail(&dynid->list, &hdrv->dyn_list);
2091         spin_unlock(&hdrv->dyn_lock);
2092
2093         ret = driver_attach(&hdrv->driver);
2094
2095         return ret ? : count;
2096 }
2097 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2098
2099 static void hid_free_dynids(struct hid_driver *hdrv)
2100 {
2101         struct hid_dynid *dynid, *n;
2102
2103         spin_lock(&hdrv->dyn_lock);
2104         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2105                 list_del(&dynid->list);
2106                 kfree(dynid);
2107         }
2108         spin_unlock(&hdrv->dyn_lock);
2109 }
2110
2111 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2112                 struct hid_driver *hdrv)
2113 {
2114         struct hid_dynid *dynid;
2115
2116         spin_lock(&hdrv->dyn_lock);
2117         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2118                 if (hid_match_one_id(hdev, &dynid->id)) {
2119                         spin_unlock(&hdrv->dyn_lock);
2120                         return &dynid->id;
2121                 }
2122         }
2123         spin_unlock(&hdrv->dyn_lock);
2124
2125         return hid_match_id(hdev, hdrv->id_table);
2126 }
2127
2128 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2129 {
2130         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2131         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2132
2133         return hid_match_device(hdev, hdrv) != NULL;
2134 }
2135
2136 static int hid_device_probe(struct device *dev)
2137 {
2138         struct hid_driver *hdrv = container_of(dev->driver,
2139                         struct hid_driver, driver);
2140         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2141         const struct hid_device_id *id;
2142         int ret = 0;
2143
2144         if (down_interruptible(&hdev->driver_lock))
2145                 return -EINTR;
2146         if (down_interruptible(&hdev->driver_input_lock)) {
2147                 ret = -EINTR;
2148                 goto unlock_driver_lock;
2149         }
2150         hdev->io_started = false;
2151
2152         if (!hdev->driver) {
2153                 id = hid_match_device(hdev, hdrv);
2154                 if (id == NULL) {
2155                         ret = -ENODEV;
2156                         goto unlock;
2157                 }
2158
2159                 hdev->driver = hdrv;
2160                 if (hdrv->probe) {
2161                         ret = hdrv->probe(hdev, id);
2162                 } else { /* default probe */
2163                         ret = hid_open_report(hdev);
2164                         if (!ret)
2165                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2166                 }
2167                 if (ret) {
2168                         hid_close_report(hdev);
2169                         hdev->driver = NULL;
2170                 }
2171         }
2172 unlock:
2173         if (!hdev->io_started)
2174                 up(&hdev->driver_input_lock);
2175 unlock_driver_lock:
2176         up(&hdev->driver_lock);
2177         return ret;
2178 }
2179
2180 static int hid_device_remove(struct device *dev)
2181 {
2182         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2183         struct hid_driver *hdrv;
2184         int ret = 0;
2185
2186         if (down_interruptible(&hdev->driver_lock))
2187                 return -EINTR;
2188         if (down_interruptible(&hdev->driver_input_lock)) {
2189                 ret = -EINTR;
2190                 goto unlock_driver_lock;
2191         }
2192         hdev->io_started = false;
2193
2194         hdrv = hdev->driver;
2195         if (hdrv) {
2196                 if (hdrv->remove)
2197                         hdrv->remove(hdev);
2198                 else /* default remove */
2199                         hid_hw_stop(hdev);
2200                 hid_close_report(hdev);
2201                 hdev->driver = NULL;
2202         }
2203
2204         if (!hdev->io_started)
2205                 up(&hdev->driver_input_lock);
2206 unlock_driver_lock:
2207         up(&hdev->driver_lock);
2208         return ret;
2209 }
2210
2211 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2212                              char *buf)
2213 {
2214         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2215         int len;
2216
2217         len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2218                        hdev->bus, hdev->group, hdev->vendor, hdev->product);
2219
2220         return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2221 }
2222 static DEVICE_ATTR_RO(modalias);
2223
2224 static struct attribute *hid_dev_attrs[] = {
2225         &dev_attr_modalias.attr,
2226         NULL,
2227 };
2228 ATTRIBUTE_GROUPS(hid_dev);
2229
2230 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2231 {
2232         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2233
2234         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2235                         hdev->bus, hdev->vendor, hdev->product))
2236                 return -ENOMEM;
2237
2238         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2239                 return -ENOMEM;
2240
2241         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2242                 return -ENOMEM;
2243
2244         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2245                 return -ENOMEM;
2246
2247         if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2248                            hdev->bus, hdev->group, hdev->vendor, hdev->product))
2249                 return -ENOMEM;
2250
2251         return 0;
2252 }
2253
2254 static struct bus_type hid_bus_type = {
2255         .name           = "hid",
2256         .dev_groups     = hid_dev_groups,
2257         .match          = hid_bus_match,
2258         .probe          = hid_device_probe,
2259         .remove         = hid_device_remove,
2260         .uevent         = hid_uevent,
2261 };
2262
2263 /* a list of devices that shouldn't be handled by HID core at all */
2264 static const struct hid_device_id hid_ignore_list[] = {
2265         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2266         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2267         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2268         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2269         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2270         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2271         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2272         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2273         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2274         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2275         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2276         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2277         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2278         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2279         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2280         { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2281         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2282         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2283         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2284         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2285         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2286         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2287         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2288         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2289         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2290         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2291         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2292         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2293         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2294         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2295         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2296         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2297         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2298         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2299         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2300         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2301         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2302         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2303         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2304         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2305         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2306         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2307         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2308         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2309         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2310         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2311         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2312         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2313         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2314         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2315         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2316         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2317         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2318         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2319         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2320         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2321         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2322         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2323         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2324         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2325         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2326         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2327         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2328         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2329         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2330         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2331         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2332         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2333         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2334         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2335         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2336         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2337         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2338         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2339         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2340         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2341         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2342         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2343         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2344         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2345         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2346         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2347         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2348         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2349         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2350         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2351         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2352         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2353         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2354         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2355         { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2356         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2357         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2358         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2359         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2360         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2361         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2362         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2363         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2364         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2365         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2366         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2367         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2368         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2369         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2370         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2371         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2372         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2373         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2374         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2375         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2376         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2377         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2378         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2379         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2380         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2381         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2382         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2383         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2384         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2385         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2386         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2387         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2388         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2389         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2390         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2391         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2392         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2393         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2394         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2395         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2396         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2397         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
2398         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2399         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2400         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2401         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2402         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2403         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2404         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2405         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2406         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2407         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2408         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2409         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2410         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2411         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2412         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2413         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2414         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2415 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2416         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2417         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2418         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2419         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2420         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2421         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2422         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2423         { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2424 #endif
2425         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2426         { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2427         { }
2428 };
2429
2430 /**
2431  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2432  *
2433  * There are composite devices for which we want to ignore only a certain
2434  * interface. This is a list of devices for which only the mouse interface will
2435  * be ignored. This allows a dedicated driver to take care of the interface.
2436  */
2437 static const struct hid_device_id hid_mouse_ignore_list[] = {
2438         /* appletouch driver */
2439         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2440         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2441         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2442         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2443         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2444         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2445         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2446         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2447         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2448         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2449         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2450         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2451         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2452         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2453         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2454         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2455         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2456         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2457         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2458         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2459         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2460         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2461         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2462         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2463         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2464         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2465         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2466         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2467         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2468         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2469         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2470         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2471         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2472         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2473         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2474         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2475         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2476         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2477         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2478         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2479         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2480         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2481         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2482         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2483         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2484         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2485         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2486         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2487         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2488         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2489         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2490         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2491         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
2492         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2493         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2494         { }
2495 };
2496
2497 bool hid_ignore(struct hid_device *hdev)
2498 {
2499         if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2500                 return false;
2501         if (hdev->quirks & HID_QUIRK_IGNORE)
2502                 return true;
2503
2504         switch (hdev->vendor) {
2505         case USB_VENDOR_ID_CODEMERCS:
2506                 /* ignore all Code Mercenaries IOWarrior devices */
2507                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2508                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2509                         return true;
2510                 break;
2511         case USB_VENDOR_ID_LOGITECH:
2512                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2513                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2514                         return true;
2515                 /*
2516                  * The Keene FM transmitter USB device has the same USB ID as
2517                  * the Logitech AudioHub Speaker, but it should ignore the hid.
2518                  * Check if the name is that of the Keene device.
2519                  * For reference: the name of the AudioHub is
2520                  * "HOLTEK  AudioHub Speaker".
2521                  */
2522                 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2523                         !strcmp(hdev->name, "HOLTEK  B-LINK USB Audio  "))
2524                                 return true;
2525                 break;
2526         case USB_VENDOR_ID_SOUNDGRAPH:
2527                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2528                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2529                         return true;
2530                 break;
2531         case USB_VENDOR_ID_HANWANG:
2532                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2533                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2534                         return true;
2535                 break;
2536         case USB_VENDOR_ID_JESS:
2537                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2538                                 hdev->type == HID_TYPE_USBNONE)
2539                         return true;
2540                 break;
2541         case USB_VENDOR_ID_VELLEMAN:
2542                 /* These are not HID devices.  They are handled by comedi. */
2543                 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2544                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2545                     (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2546                      hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2547                         return true;
2548                 break;
2549         case USB_VENDOR_ID_ATMEL_V_USB:
2550                 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2551                  * it has the same USB ID as many Atmel V-USB devices. This
2552                  * usb radio is handled by radio-ma901.c driver so we want
2553                  * ignore the hid. Check the name, bus, product and ignore
2554                  * if we have MA901 usb radio.
2555                  */
2556                 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2557                         hdev->bus == BUS_USB &&
2558                         strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2559                         return true;
2560                 break;
2561         }
2562
2563         if (hdev->type == HID_TYPE_USBMOUSE &&
2564                         hid_match_id(hdev, hid_mouse_ignore_list))
2565                 return true;
2566
2567         return !!hid_match_id(hdev, hid_ignore_list);
2568 }
2569 EXPORT_SYMBOL_GPL(hid_ignore);
2570
2571 int hid_add_device(struct hid_device *hdev)
2572 {
2573         static atomic_t id = ATOMIC_INIT(0);
2574         int ret;
2575
2576         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2577                 return -EBUSY;
2578
2579         /* we need to kill them here, otherwise they will stay allocated to
2580          * wait for coming driver */
2581         if (hid_ignore(hdev))
2582                 return -ENODEV;
2583
2584         /*
2585          * Check for the mandatory transport channel.
2586          */
2587          if (!hdev->ll_driver->raw_request) {
2588                 hid_err(hdev, "transport driver missing .raw_request()\n");
2589                 return -EINVAL;
2590          }
2591
2592         /*
2593          * Read the device report descriptor once and use as template
2594          * for the driver-specific modifications.
2595          */
2596         ret = hdev->ll_driver->parse(hdev);
2597         if (ret)
2598                 return ret;
2599         if (!hdev->dev_rdesc)
2600                 return -ENODEV;
2601
2602         /*
2603          * Scan generic devices for group information
2604          */
2605         if (hid_ignore_special_drivers ||
2606             (!hdev->group &&
2607              !hid_match_id(hdev, hid_have_special_driver))) {
2608                 ret = hid_scan_report(hdev);
2609                 if (ret)
2610                         hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2611         }
2612
2613         /* XXX hack, any other cleaner solution after the driver core
2614          * is converted to allow more than 20 bytes as the device name? */
2615         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2616                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2617
2618         hid_debug_register(hdev, dev_name(&hdev->dev));
2619         ret = device_add(&hdev->dev);
2620         if (!ret)
2621                 hdev->status |= HID_STAT_ADDED;
2622         else
2623                 hid_debug_unregister(hdev);
2624
2625         return ret;
2626 }
2627 EXPORT_SYMBOL_GPL(hid_add_device);
2628
2629 /**
2630  * hid_allocate_device - allocate new hid device descriptor
2631  *
2632  * Allocate and initialize hid device, so that hid_destroy_device might be
2633  * used to free it.
2634  *
2635  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2636  * error value.
2637  */
2638 struct hid_device *hid_allocate_device(void)
2639 {
2640         struct hid_device *hdev;
2641         int ret = -ENOMEM;
2642
2643         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2644         if (hdev == NULL)
2645                 return ERR_PTR(ret);
2646
2647         device_initialize(&hdev->dev);
2648         hdev->dev.release = hid_device_release;
2649         hdev->dev.bus = &hid_bus_type;
2650
2651         hid_close_report(hdev);
2652
2653         init_waitqueue_head(&hdev->debug_wait);
2654         INIT_LIST_HEAD(&hdev->debug_list);
2655         spin_lock_init(&hdev->debug_list_lock);
2656         sema_init(&hdev->driver_lock, 1);
2657         sema_init(&hdev->driver_input_lock, 1);
2658
2659         return hdev;
2660 }
2661 EXPORT_SYMBOL_GPL(hid_allocate_device);
2662
2663 static void hid_remove_device(struct hid_device *hdev)
2664 {
2665         if (hdev->status & HID_STAT_ADDED) {
2666                 device_del(&hdev->dev);
2667                 hid_debug_unregister(hdev);
2668                 hdev->status &= ~HID_STAT_ADDED;
2669         }
2670         kfree(hdev->dev_rdesc);
2671         hdev->dev_rdesc = NULL;
2672         hdev->dev_rsize = 0;
2673 }
2674
2675 /**
2676  * hid_destroy_device - free previously allocated device
2677  *
2678  * @hdev: hid device
2679  *
2680  * If you allocate hid_device through hid_allocate_device, you should ever
2681  * free by this function.
2682  */
2683 void hid_destroy_device(struct hid_device *hdev)
2684 {
2685         hid_remove_device(hdev);
2686         put_device(&hdev->dev);
2687 }
2688 EXPORT_SYMBOL_GPL(hid_destroy_device);
2689
2690 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2691                 const char *mod_name)
2692 {
2693         int ret;
2694
2695         hdrv->driver.name = hdrv->name;
2696         hdrv->driver.bus = &hid_bus_type;
2697         hdrv->driver.owner = owner;
2698         hdrv->driver.mod_name = mod_name;
2699
2700         INIT_LIST_HEAD(&hdrv->dyn_list);
2701         spin_lock_init(&hdrv->dyn_lock);
2702
2703         ret = driver_register(&hdrv->driver);
2704         if (ret)
2705                 return ret;
2706
2707         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2708         if (ret)
2709                 driver_unregister(&hdrv->driver);
2710
2711         return ret;
2712 }
2713 EXPORT_SYMBOL_GPL(__hid_register_driver);
2714
2715 void hid_unregister_driver(struct hid_driver *hdrv)
2716 {
2717         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2718         driver_unregister(&hdrv->driver);
2719         hid_free_dynids(hdrv);
2720 }
2721 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2722
2723 int hid_check_keys_pressed(struct hid_device *hid)
2724 {
2725         struct hid_input *hidinput;
2726         int i;
2727
2728         if (!(hid->claimed & HID_CLAIMED_INPUT))
2729                 return 0;
2730
2731         list_for_each_entry(hidinput, &hid->inputs, list) {
2732                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2733                         if (hidinput->input->key[i])
2734                                 return 1;
2735         }
2736
2737         return 0;
2738 }
2739
2740 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2741
2742 static int __init hid_init(void)
2743 {
2744         int ret;
2745
2746         if (hid_debug)
2747                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2748                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2749
2750         ret = bus_register(&hid_bus_type);
2751         if (ret) {
2752                 pr_err("can't register hid bus\n");
2753                 goto err;
2754         }
2755
2756         ret = hidraw_init();
2757         if (ret)
2758                 goto err_bus;
2759
2760         hid_debug_init();
2761
2762         return 0;
2763 err_bus:
2764         bus_unregister(&hid_bus_type);
2765 err:
2766         return ret;
2767 }
2768
2769 static void __exit hid_exit(void)
2770 {
2771         hid_debug_exit();
2772         hidraw_exit();
2773         bus_unregister(&hid_bus_type);
2774 }
2775
2776 module_init(hid_init);
2777 module_exit(hid_exit);
2778
2779 MODULE_AUTHOR("Andreas Gal");
2780 MODULE_AUTHOR("Vojtech Pavlik");
2781 MODULE_AUTHOR("Jiri Kosina");
2782 MODULE_LICENSE(DRIVER_LICENSE);
2783