Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
[~shefty/rdma-dev.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) 2006-2010 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 /*
54  * Register a new report for a device.
55  */
56
57 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
58 {
59         struct hid_report_enum *report_enum = device->report_enum + type;
60         struct hid_report *report;
61
62         if (report_enum->report_id_hash[id])
63                 return report_enum->report_id_hash[id];
64
65         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
66         if (!report)
67                 return NULL;
68
69         if (id != 0)
70                 report_enum->numbered = 1;
71
72         report->id = id;
73         report->type = type;
74         report->size = 0;
75         report->device = device;
76         report_enum->report_id_hash[id] = report;
77
78         list_add_tail(&report->list, &report_enum->report_list);
79
80         return report;
81 }
82 EXPORT_SYMBOL_GPL(hid_register_report);
83
84 /*
85  * Register a new field for this report.
86  */
87
88 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
89 {
90         struct hid_field *field;
91
92         if (report->maxfield == HID_MAX_FIELDS) {
93                 dbg_hid("too many fields in report\n");
94                 return NULL;
95         }
96
97         field = kzalloc((sizeof(struct hid_field) +
98                          usages * sizeof(struct hid_usage) +
99                          values * sizeof(unsigned)), GFP_KERNEL);
100         if (!field)
101                 return NULL;
102
103         field->index = report->maxfield++;
104         report->field[field->index] = field;
105         field->usage = (struct hid_usage *)(field + 1);
106         field->value = (s32 *)(field->usage + usages);
107         field->report = report;
108
109         return field;
110 }
111
112 /*
113  * Open a collection. The type/usage is pushed on the stack.
114  */
115
116 static int open_collection(struct hid_parser *parser, unsigned type)
117 {
118         struct hid_collection *collection;
119         unsigned usage;
120
121         usage = parser->local.usage[0];
122
123         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
124                 dbg_hid("collection stack overflow\n");
125                 return -1;
126         }
127
128         if (parser->device->maxcollection == parser->device->collection_size) {
129                 collection = kmalloc(sizeof(struct hid_collection) *
130                                 parser->device->collection_size * 2, GFP_KERNEL);
131                 if (collection == NULL) {
132                         dbg_hid("failed to reallocate collection array\n");
133                         return -1;
134                 }
135                 memcpy(collection, parser->device->collection,
136                         sizeof(struct hid_collection) *
137                         parser->device->collection_size);
138                 memset(collection + parser->device->collection_size, 0,
139                         sizeof(struct hid_collection) *
140                         parser->device->collection_size);
141                 kfree(parser->device->collection);
142                 parser->device->collection = collection;
143                 parser->device->collection_size *= 2;
144         }
145
146         parser->collection_stack[parser->collection_stack_ptr++] =
147                 parser->device->maxcollection;
148
149         collection = parser->device->collection +
150                 parser->device->maxcollection++;
151         collection->type = type;
152         collection->usage = usage;
153         collection->level = parser->collection_stack_ptr - 1;
154
155         if (type == HID_COLLECTION_APPLICATION)
156                 parser->device->maxapplication++;
157
158         return 0;
159 }
160
161 /*
162  * Close a collection.
163  */
164
165 static int close_collection(struct hid_parser *parser)
166 {
167         if (!parser->collection_stack_ptr) {
168                 dbg_hid("collection stack underflow\n");
169                 return -1;
170         }
171         parser->collection_stack_ptr--;
172         return 0;
173 }
174
175 /*
176  * Climb up the stack, search for the specified collection type
177  * and return the usage.
178  */
179
180 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
181 {
182         struct hid_collection *collection = parser->device->collection;
183         int n;
184
185         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
186                 unsigned index = parser->collection_stack[n];
187                 if (collection[index].type == type)
188                         return collection[index].usage;
189         }
190         return 0; /* we know nothing about this usage type */
191 }
192
193 /*
194  * Add a usage to the temporary parser table.
195  */
196
197 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
198 {
199         if (parser->local.usage_index >= HID_MAX_USAGES) {
200                 dbg_hid("usage index exceeded\n");
201                 return -1;
202         }
203         parser->local.usage[parser->local.usage_index] = usage;
204         parser->local.collection_index[parser->local.usage_index] =
205                 parser->collection_stack_ptr ?
206                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
207         parser->local.usage_index++;
208         return 0;
209 }
210
211 /*
212  * Register a new field for this report.
213  */
214
215 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
216 {
217         struct hid_report *report;
218         struct hid_field *field;
219         int usages;
220         unsigned offset;
221         int i;
222
223         report = hid_register_report(parser->device, report_type, parser->global.report_id);
224         if (!report) {
225                 dbg_hid("hid_register_report failed\n");
226                 return -1;
227         }
228
229         if (parser->global.logical_maximum < parser->global.logical_minimum) {
230                 dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum);
231                 return -1;
232         }
233
234         offset = report->size;
235         report->size += parser->global.report_size * parser->global.report_count;
236
237         if (!parser->local.usage_index) /* Ignore padding fields */
238                 return 0;
239
240         usages = max_t(int, parser->local.usage_index, parser->global.report_count);
241
242         field = hid_register_field(report, usages, parser->global.report_count);
243         if (!field)
244                 return 0;
245
246         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
247         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
248         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
249
250         for (i = 0; i < usages; i++) {
251                 int j = i;
252                 /* Duplicate the last usage we parsed if we have excess values */
253                 if (i >= parser->local.usage_index)
254                         j = parser->local.usage_index - 1;
255                 field->usage[i].hid = parser->local.usage[j];
256                 field->usage[i].collection_index =
257                         parser->local.collection_index[j];
258         }
259
260         field->maxusage = usages;
261         field->flags = flags;
262         field->report_offset = offset;
263         field->report_type = report_type;
264         field->report_size = parser->global.report_size;
265         field->report_count = parser->global.report_count;
266         field->logical_minimum = parser->global.logical_minimum;
267         field->logical_maximum = parser->global.logical_maximum;
268         field->physical_minimum = parser->global.physical_minimum;
269         field->physical_maximum = parser->global.physical_maximum;
270         field->unit_exponent = parser->global.unit_exponent;
271         field->unit = parser->global.unit;
272
273         return 0;
274 }
275
276 /*
277  * Read data value from item.
278  */
279
280 static u32 item_udata(struct hid_item *item)
281 {
282         switch (item->size) {
283         case 1: return item->data.u8;
284         case 2: return item->data.u16;
285         case 4: return item->data.u32;
286         }
287         return 0;
288 }
289
290 static s32 item_sdata(struct hid_item *item)
291 {
292         switch (item->size) {
293         case 1: return item->data.s8;
294         case 2: return item->data.s16;
295         case 4: return item->data.s32;
296         }
297         return 0;
298 }
299
300 /*
301  * Process a global item.
302  */
303
304 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
305 {
306         switch (item->tag) {
307         case HID_GLOBAL_ITEM_TAG_PUSH:
308
309                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
310                         dbg_hid("global environment stack overflow\n");
311                         return -1;
312                 }
313
314                 memcpy(parser->global_stack + parser->global_stack_ptr++,
315                         &parser->global, sizeof(struct hid_global));
316                 return 0;
317
318         case HID_GLOBAL_ITEM_TAG_POP:
319
320                 if (!parser->global_stack_ptr) {
321                         dbg_hid("global environment stack underflow\n");
322                         return -1;
323                 }
324
325                 memcpy(&parser->global, parser->global_stack +
326                         --parser->global_stack_ptr, sizeof(struct hid_global));
327                 return 0;
328
329         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
330                 parser->global.usage_page = item_udata(item);
331                 return 0;
332
333         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
334                 parser->global.logical_minimum = item_sdata(item);
335                 return 0;
336
337         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
338                 if (parser->global.logical_minimum < 0)
339                         parser->global.logical_maximum = item_sdata(item);
340                 else
341                         parser->global.logical_maximum = item_udata(item);
342                 return 0;
343
344         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
345                 parser->global.physical_minimum = item_sdata(item);
346                 return 0;
347
348         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
349                 if (parser->global.physical_minimum < 0)
350                         parser->global.physical_maximum = item_sdata(item);
351                 else
352                         parser->global.physical_maximum = item_udata(item);
353                 return 0;
354
355         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
356                 parser->global.unit_exponent = item_sdata(item);
357                 return 0;
358
359         case HID_GLOBAL_ITEM_TAG_UNIT:
360                 parser->global.unit = item_udata(item);
361                 return 0;
362
363         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
364                 parser->global.report_size = item_udata(item);
365                 if (parser->global.report_size > 32) {
366                         dbg_hid("invalid report_size %d\n",
367                                         parser->global.report_size);
368                         return -1;
369                 }
370                 return 0;
371
372         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
373                 parser->global.report_count = item_udata(item);
374                 if (parser->global.report_count > HID_MAX_USAGES) {
375                         dbg_hid("invalid report_count %d\n",
376                                         parser->global.report_count);
377                         return -1;
378                 }
379                 return 0;
380
381         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
382                 parser->global.report_id = item_udata(item);
383                 if (parser->global.report_id == 0) {
384                         dbg_hid("report_id 0 is invalid\n");
385                         return -1;
386                 }
387                 return 0;
388
389         default:
390                 dbg_hid("unknown global tag 0x%x\n", item->tag);
391                 return -1;
392         }
393 }
394
395 /*
396  * Process a local item.
397  */
398
399 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
400 {
401         __u32 data;
402         unsigned n;
403
404         data = item_udata(item);
405
406         switch (item->tag) {
407         case HID_LOCAL_ITEM_TAG_DELIMITER:
408
409                 if (data) {
410                         /*
411                          * We treat items before the first delimiter
412                          * as global to all usage sets (branch 0).
413                          * In the moment we process only these global
414                          * items and the first delimiter set.
415                          */
416                         if (parser->local.delimiter_depth != 0) {
417                                 dbg_hid("nested delimiters\n");
418                                 return -1;
419                         }
420                         parser->local.delimiter_depth++;
421                         parser->local.delimiter_branch++;
422                 } else {
423                         if (parser->local.delimiter_depth < 1) {
424                                 dbg_hid("bogus close delimiter\n");
425                                 return -1;
426                         }
427                         parser->local.delimiter_depth--;
428                 }
429                 return 1;
430
431         case HID_LOCAL_ITEM_TAG_USAGE:
432
433                 if (parser->local.delimiter_branch > 1) {
434                         dbg_hid("alternative usage ignored\n");
435                         return 0;
436                 }
437
438                 if (item->size <= 2)
439                         data = (parser->global.usage_page << 16) + data;
440
441                 return hid_add_usage(parser, data);
442
443         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
444
445                 if (parser->local.delimiter_branch > 1) {
446                         dbg_hid("alternative usage ignored\n");
447                         return 0;
448                 }
449
450                 if (item->size <= 2)
451                         data = (parser->global.usage_page << 16) + data;
452
453                 parser->local.usage_minimum = data;
454                 return 0;
455
456         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
457
458                 if (parser->local.delimiter_branch > 1) {
459                         dbg_hid("alternative usage ignored\n");
460                         return 0;
461                 }
462
463                 if (item->size <= 2)
464                         data = (parser->global.usage_page << 16) + data;
465
466                 for (n = parser->local.usage_minimum; n <= data; n++)
467                         if (hid_add_usage(parser, n)) {
468                                 dbg_hid("hid_add_usage failed\n");
469                                 return -1;
470                         }
471                 return 0;
472
473         default:
474
475                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
476                 return 0;
477         }
478         return 0;
479 }
480
481 /*
482  * Process a main item.
483  */
484
485 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
486 {
487         __u32 data;
488         int ret;
489
490         data = item_udata(item);
491
492         switch (item->tag) {
493         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
494                 ret = open_collection(parser, data & 0xff);
495                 break;
496         case HID_MAIN_ITEM_TAG_END_COLLECTION:
497                 ret = close_collection(parser);
498                 break;
499         case HID_MAIN_ITEM_TAG_INPUT:
500                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
501                 break;
502         case HID_MAIN_ITEM_TAG_OUTPUT:
503                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
504                 break;
505         case HID_MAIN_ITEM_TAG_FEATURE:
506                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
507                 break;
508         default:
509                 dbg_hid("unknown main item tag 0x%x\n", item->tag);
510                 ret = 0;
511         }
512
513         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
514
515         return ret;
516 }
517
518 /*
519  * Process a reserved item.
520  */
521
522 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
523 {
524         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
525         return 0;
526 }
527
528 /*
529  * Free a report and all registered fields. The field->usage and
530  * field->value table's are allocated behind the field, so we need
531  * only to free(field) itself.
532  */
533
534 static void hid_free_report(struct hid_report *report)
535 {
536         unsigned n;
537
538         for (n = 0; n < report->maxfield; n++)
539                 kfree(report->field[n]);
540         kfree(report);
541 }
542
543 /*
544  * Free a device structure, all reports, and all fields.
545  */
546
547 static void hid_device_release(struct device *dev)
548 {
549         struct hid_device *device = container_of(dev, struct hid_device, dev);
550         unsigned i, j;
551
552         for (i = 0; i < HID_REPORT_TYPES; i++) {
553                 struct hid_report_enum *report_enum = device->report_enum + i;
554
555                 for (j = 0; j < 256; j++) {
556                         struct hid_report *report = report_enum->report_id_hash[j];
557                         if (report)
558                                 hid_free_report(report);
559                 }
560         }
561
562         kfree(device->rdesc);
563         kfree(device->collection);
564         kfree(device);
565 }
566
567 /*
568  * Fetch a report description item from the data stream. We support long
569  * items, though they are not used yet.
570  */
571
572 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
573 {
574         u8 b;
575
576         if ((end - start) <= 0)
577                 return NULL;
578
579         b = *start++;
580
581         item->type = (b >> 2) & 3;
582         item->tag  = (b >> 4) & 15;
583
584         if (item->tag == HID_ITEM_TAG_LONG) {
585
586                 item->format = HID_ITEM_FORMAT_LONG;
587
588                 if ((end - start) < 2)
589                         return NULL;
590
591                 item->size = *start++;
592                 item->tag  = *start++;
593
594                 if ((end - start) < item->size)
595                         return NULL;
596
597                 item->data.longdata = start;
598                 start += item->size;
599                 return start;
600         }
601
602         item->format = HID_ITEM_FORMAT_SHORT;
603         item->size = b & 3;
604
605         switch (item->size) {
606         case 0:
607                 return start;
608
609         case 1:
610                 if ((end - start) < 1)
611                         return NULL;
612                 item->data.u8 = *start++;
613                 return start;
614
615         case 2:
616                 if ((end - start) < 2)
617                         return NULL;
618                 item->data.u16 = get_unaligned_le16(start);
619                 start = (__u8 *)((__le16 *)start + 1);
620                 return start;
621
622         case 3:
623                 item->size++;
624                 if ((end - start) < 4)
625                         return NULL;
626                 item->data.u32 = get_unaligned_le32(start);
627                 start = (__u8 *)((__le32 *)start + 1);
628                 return start;
629         }
630
631         return NULL;
632 }
633
634 /**
635  * hid_parse_report - parse device report
636  *
637  * @device: hid device
638  * @start: report start
639  * @size: report size
640  *
641  * Parse a report description into a hid_device structure. Reports are
642  * enumerated, fields are attached to these reports.
643  * 0 returned on success, otherwise nonzero error value.
644  */
645 int hid_parse_report(struct hid_device *device, __u8 *start,
646                 unsigned size)
647 {
648         struct hid_parser *parser;
649         struct hid_item item;
650         __u8 *end;
651         int ret;
652         static int (*dispatch_type[])(struct hid_parser *parser,
653                                       struct hid_item *item) = {
654                 hid_parser_main,
655                 hid_parser_global,
656                 hid_parser_local,
657                 hid_parser_reserved
658         };
659
660         if (device->driver->report_fixup)
661                 start = device->driver->report_fixup(device, start, &size);
662
663         device->rdesc = kmemdup(start, size, GFP_KERNEL);
664         if (device->rdesc == NULL)
665                 return -ENOMEM;
666         device->rsize = size;
667
668         parser = vzalloc(sizeof(struct hid_parser));
669         if (!parser) {
670                 ret = -ENOMEM;
671                 goto err;
672         }
673
674         parser->device = device;
675
676         end = start + size;
677         ret = -EINVAL;
678         while ((start = fetch_item(start, end, &item)) != NULL) {
679
680                 if (item.format != HID_ITEM_FORMAT_SHORT) {
681                         dbg_hid("unexpected long global item\n");
682                         goto err;
683                 }
684
685                 if (dispatch_type[item.type](parser, &item)) {
686                         dbg_hid("item %u %u %u %u parsing failed\n",
687                                 item.format, (unsigned)item.size,
688                                 (unsigned)item.type, (unsigned)item.tag);
689                         goto err;
690                 }
691
692                 if (start == end) {
693                         if (parser->collection_stack_ptr) {
694                                 dbg_hid("unbalanced collection at end of report description\n");
695                                 goto err;
696                         }
697                         if (parser->local.delimiter_depth) {
698                                 dbg_hid("unbalanced delimiter at end of report description\n");
699                                 goto err;
700                         }
701                         vfree(parser);
702                         return 0;
703                 }
704         }
705
706         dbg_hid("item fetching failed at offset %d\n", (int)(end - start));
707 err:
708         vfree(parser);
709         return ret;
710 }
711 EXPORT_SYMBOL_GPL(hid_parse_report);
712
713 /*
714  * Convert a signed n-bit integer to signed 32-bit integer. Common
715  * cases are done through the compiler, the screwed things has to be
716  * done by hand.
717  */
718
719 static s32 snto32(__u32 value, unsigned n)
720 {
721         switch (n) {
722         case 8:  return ((__s8)value);
723         case 16: return ((__s16)value);
724         case 32: return ((__s32)value);
725         }
726         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
727 }
728
729 /*
730  * Convert a signed 32-bit integer to a signed n-bit integer.
731  */
732
733 static u32 s32ton(__s32 value, unsigned n)
734 {
735         s32 a = value >> (n - 1);
736         if (a && a != -1)
737                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
738         return value & ((1 << n) - 1);
739 }
740
741 /*
742  * Extract/implement a data field from/to a little endian report (bit array).
743  *
744  * Code sort-of follows HID spec:
745  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
746  *
747  * While the USB HID spec allows unlimited length bit fields in "report
748  * descriptors", most devices never use more than 16 bits.
749  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
750  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
751  */
752
753 static __u32 extract(const struct hid_device *hid, __u8 *report,
754                      unsigned offset, unsigned n)
755 {
756         u64 x;
757
758         if (n > 32)
759                 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
760                          n, current->comm);
761
762         report += offset >> 3;  /* adjust byte index */
763         offset &= 7;            /* now only need bit offset into one byte */
764         x = get_unaligned_le64(report);
765         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
766         return (u32) x;
767 }
768
769 /*
770  * "implement" : set bits in a little endian bit stream.
771  * Same concepts as "extract" (see comments above).
772  * The data mangled in the bit stream remains in little endian
773  * order the whole time. It make more sense to talk about
774  * endianness of register values by considering a register
775  * a "cached" copy of the little endiad bit stream.
776  */
777 static void implement(const struct hid_device *hid, __u8 *report,
778                       unsigned offset, unsigned n, __u32 value)
779 {
780         u64 x;
781         u64 m = (1ULL << n) - 1;
782
783         if (n > 32)
784                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
785                          __func__, n, current->comm);
786
787         if (value > m)
788                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
789                          __func__, value, current->comm);
790         WARN_ON(value > m);
791         value &= m;
792
793         report += offset >> 3;
794         offset &= 7;
795
796         x = get_unaligned_le64(report);
797         x &= ~(m << offset);
798         x |= ((u64)value) << offset;
799         put_unaligned_le64(x, report);
800 }
801
802 /*
803  * Search an array for a value.
804  */
805
806 static int search(__s32 *array, __s32 value, unsigned n)
807 {
808         while (n--) {
809                 if (*array++ == value)
810                         return 0;
811         }
812         return -1;
813 }
814
815 /**
816  * hid_match_report - check if driver's raw_event should be called
817  *
818  * @hid: hid device
819  * @report_type: type to match against
820  *
821  * compare hid->driver->report_table->report_type to report->type
822  */
823 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
824 {
825         const struct hid_report_id *id = hid->driver->report_table;
826
827         if (!id) /* NULL means all */
828                 return 1;
829
830         for (; id->report_type != HID_TERMINATOR; id++)
831                 if (id->report_type == HID_ANY_ID ||
832                                 id->report_type == report->type)
833                         return 1;
834         return 0;
835 }
836
837 /**
838  * hid_match_usage - check if driver's event should be called
839  *
840  * @hid: hid device
841  * @usage: usage to match against
842  *
843  * compare hid->driver->usage_table->usage_{type,code} to
844  * usage->usage_{type,code}
845  */
846 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
847 {
848         const struct hid_usage_id *id = hid->driver->usage_table;
849
850         if (!id) /* NULL means all */
851                 return 1;
852
853         for (; id->usage_type != HID_ANY_ID - 1; id++)
854                 if ((id->usage_hid == HID_ANY_ID ||
855                                 id->usage_hid == usage->hid) &&
856                                 (id->usage_type == HID_ANY_ID ||
857                                 id->usage_type == usage->type) &&
858                                 (id->usage_code == HID_ANY_ID ||
859                                  id->usage_code == usage->code))
860                         return 1;
861         return 0;
862 }
863
864 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
865                 struct hid_usage *usage, __s32 value, int interrupt)
866 {
867         struct hid_driver *hdrv = hid->driver;
868         int ret;
869
870         hid_dump_input(hid, usage, value);
871
872         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
873                 ret = hdrv->event(hid, field, usage, value);
874                 if (ret != 0) {
875                         if (ret < 0)
876                                 dbg_hid("%s's event failed with %d\n",
877                                                 hdrv->name, ret);
878                         return;
879                 }
880         }
881
882         if (hid->claimed & HID_CLAIMED_INPUT)
883                 hidinput_hid_event(hid, field, usage, value);
884         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
885                 hid->hiddev_hid_event(hid, field, usage, value);
886 }
887
888 /*
889  * Analyse a received field, and fetch the data from it. The field
890  * content is stored for next report processing (we do differential
891  * reporting to the layer).
892  */
893
894 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
895                             __u8 *data, int interrupt)
896 {
897         unsigned n;
898         unsigned count = field->report_count;
899         unsigned offset = field->report_offset;
900         unsigned size = field->report_size;
901         __s32 min = field->logical_minimum;
902         __s32 max = field->logical_maximum;
903         __s32 *value;
904
905         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
906         if (!value)
907                 return;
908
909         for (n = 0; n < count; n++) {
910
911                 value[n] = min < 0 ?
912                         snto32(extract(hid, data, offset + n * size, size),
913                                size) :
914                         extract(hid, data, offset + n * size, size);
915
916                 /* Ignore report if ErrorRollOver */
917                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
918                     value[n] >= min && value[n] <= max &&
919                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
920                         goto exit;
921         }
922
923         for (n = 0; n < count; n++) {
924
925                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
926                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
927                         continue;
928                 }
929
930                 if (field->value[n] >= min && field->value[n] <= max
931                         && field->usage[field->value[n] - min].hid
932                         && search(value, field->value[n], count))
933                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
934
935                 if (value[n] >= min && value[n] <= max
936                         && field->usage[value[n] - min].hid
937                         && search(field->value, value[n], count))
938                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
939         }
940
941         memcpy(field->value, value, count * sizeof(__s32));
942 exit:
943         kfree(value);
944 }
945
946 /*
947  * Output the field into the report.
948  */
949
950 static void hid_output_field(const struct hid_device *hid,
951                              struct hid_field *field, __u8 *data)
952 {
953         unsigned count = field->report_count;
954         unsigned offset = field->report_offset;
955         unsigned size = field->report_size;
956         unsigned n;
957
958         for (n = 0; n < count; n++) {
959                 if (field->logical_minimum < 0) /* signed values */
960                         implement(hid, data, offset + n * size, size,
961                                   s32ton(field->value[n], size));
962                 else                            /* unsigned values */
963                         implement(hid, data, offset + n * size, size,
964                                   field->value[n]);
965         }
966 }
967
968 /*
969  * Create a report.
970  */
971
972 void hid_output_report(struct hid_report *report, __u8 *data)
973 {
974         unsigned n;
975
976         if (report->id > 0)
977                 *data++ = report->id;
978
979         memset(data, 0, ((report->size - 1) >> 3) + 1);
980         for (n = 0; n < report->maxfield; n++)
981                 hid_output_field(report->device, report->field[n], data);
982 }
983 EXPORT_SYMBOL_GPL(hid_output_report);
984
985 /*
986  * Set a field value. The report this field belongs to has to be
987  * created and transferred to the device, to set this value in the
988  * device.
989  */
990
991 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
992 {
993         unsigned size = field->report_size;
994
995         hid_dump_input(field->report->device, field->usage + offset, value);
996
997         if (offset >= field->report_count) {
998                 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count);
999                 return -1;
1000         }
1001         if (field->logical_minimum < 0) {
1002                 if (value != snto32(s32ton(value, size), size)) {
1003                         dbg_hid("value %d is out of range\n", value);
1004                         return -1;
1005                 }
1006         }
1007         field->value[offset] = value;
1008         return 0;
1009 }
1010 EXPORT_SYMBOL_GPL(hid_set_field);
1011
1012 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1013                 const u8 *data)
1014 {
1015         struct hid_report *report;
1016         unsigned int n = 0;     /* Normally report number is 0 */
1017
1018         /* Device uses numbered reports, data[0] is report number */
1019         if (report_enum->numbered)
1020                 n = *data;
1021
1022         report = report_enum->report_id_hash[n];
1023         if (report == NULL)
1024                 dbg_hid("undefined report_id %u received\n", n);
1025
1026         return report;
1027 }
1028
1029 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1030                 int interrupt)
1031 {
1032         struct hid_report_enum *report_enum = hid->report_enum + type;
1033         struct hid_report *report;
1034         unsigned int a;
1035         int rsize, csize = size;
1036         u8 *cdata = data;
1037
1038         report = hid_get_report(report_enum, data);
1039         if (!report)
1040                 return;
1041
1042         if (report_enum->numbered) {
1043                 cdata++;
1044                 csize--;
1045         }
1046
1047         rsize = ((report->size - 1) >> 3) + 1;
1048
1049         if (rsize > HID_MAX_BUFFER_SIZE)
1050                 rsize = HID_MAX_BUFFER_SIZE;
1051
1052         if (csize < rsize) {
1053                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1054                                 csize, rsize);
1055                 memset(cdata + csize, 0, rsize - csize);
1056         }
1057
1058         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1059                 hid->hiddev_report_event(hid, report);
1060         if (hid->claimed & HID_CLAIMED_HIDRAW)
1061                 hidraw_report_event(hid, data, size);
1062
1063         for (a = 0; a < report->maxfield; a++)
1064                 hid_input_field(hid, report->field[a], cdata, interrupt);
1065
1066         if (hid->claimed & HID_CLAIMED_INPUT)
1067                 hidinput_report_event(hid, report);
1068 }
1069 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1070
1071 /**
1072  * hid_input_report - report data from lower layer (usb, bt...)
1073  *
1074  * @hid: hid device
1075  * @type: HID report type (HID_*_REPORT)
1076  * @data: report contents
1077  * @size: size of data parameter
1078  * @interrupt: distinguish between interrupt and control transfers
1079  *
1080  * This is data entry for lower layers.
1081  */
1082 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1083 {
1084         struct hid_report_enum *report_enum;
1085         struct hid_driver *hdrv;
1086         struct hid_report *report;
1087         char *buf;
1088         unsigned int i;
1089         int ret = 0;
1090
1091         if (!hid)
1092                 return -ENODEV;
1093
1094         if (down_trylock(&hid->driver_lock))
1095                 return -EBUSY;
1096
1097         if (!hid->driver) {
1098                 ret = -ENODEV;
1099                 goto unlock;
1100         }
1101         report_enum = hid->report_enum + type;
1102         hdrv = hid->driver;
1103
1104         if (!size) {
1105                 dbg_hid("empty report\n");
1106                 ret = -1;
1107                 goto unlock;
1108         }
1109
1110         buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1111
1112         if (!buf)
1113                 goto nomem;
1114
1115         /* dump the report */
1116         snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1117                         "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1118         hid_debug_event(hid, buf);
1119
1120         for (i = 0; i < size; i++) {
1121                 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1122                                 " %02x", data[i]);
1123                 hid_debug_event(hid, buf);
1124         }
1125         hid_debug_event(hid, "\n");
1126         kfree(buf);
1127
1128 nomem:
1129         report = hid_get_report(report_enum, data);
1130
1131         if (!report) {
1132                 ret = -1;
1133                 goto unlock;
1134         }
1135
1136         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1137                 ret = hdrv->raw_event(hid, report, data, size);
1138                 if (ret != 0) {
1139                         ret = ret < 0 ? ret : 0;
1140                         goto unlock;
1141                 }
1142         }
1143
1144         hid_report_raw_event(hid, type, data, size, interrupt);
1145
1146 unlock:
1147         up(&hid->driver_lock);
1148         return ret;
1149 }
1150 EXPORT_SYMBOL_GPL(hid_input_report);
1151
1152 static bool hid_match_one_id(struct hid_device *hdev,
1153                 const struct hid_device_id *id)
1154 {
1155         return id->bus == hdev->bus &&
1156                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1157                 (id->product == HID_ANY_ID || id->product == hdev->product);
1158 }
1159
1160 static const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1161                 const struct hid_device_id *id)
1162 {
1163         for (; id->bus; id++)
1164                 if (hid_match_one_id(hdev, id))
1165                         return id;
1166
1167         return NULL;
1168 }
1169
1170 static const struct hid_device_id hid_hiddev_list[] = {
1171         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1172         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1173         { }
1174 };
1175
1176 static bool hid_hiddev(struct hid_device *hdev)
1177 {
1178         return !!hid_match_id(hdev, hid_hiddev_list);
1179 }
1180
1181
1182 static ssize_t
1183 read_report_descriptor(struct file *filp, struct kobject *kobj,
1184                 struct bin_attribute *attr,
1185                 char *buf, loff_t off, size_t count)
1186 {
1187         struct device *dev = container_of(kobj, struct device, kobj);
1188         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1189
1190         if (off >= hdev->rsize)
1191                 return 0;
1192
1193         if (off + count > hdev->rsize)
1194                 count = hdev->rsize - off;
1195
1196         memcpy(buf, hdev->rdesc + off, count);
1197
1198         return count;
1199 }
1200
1201 static struct bin_attribute dev_bin_attr_report_desc = {
1202         .attr = { .name = "report_descriptor", .mode = 0444 },
1203         .read = read_report_descriptor,
1204         .size = HID_MAX_DESCRIPTOR_SIZE,
1205 };
1206
1207 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1208 {
1209         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1210                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1211                 "Multi-Axis Controller"
1212         };
1213         const char *type, *bus;
1214         char buf[64];
1215         unsigned int i;
1216         int len;
1217         int ret;
1218
1219         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1220                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1221         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1222                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1223         if (hdev->bus != BUS_USB)
1224                 connect_mask &= ~HID_CONNECT_HIDDEV;
1225         if (hid_hiddev(hdev))
1226                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1227
1228         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1229                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1230                 hdev->claimed |= HID_CLAIMED_INPUT;
1231         if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1232                 /* this device should be handled by hid-multitouch, skip it */
1233                 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
1234                 return -ENODEV;
1235         }
1236
1237         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1238                         !hdev->hiddev_connect(hdev,
1239                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1240                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1241         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1242                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1243
1244         if (!hdev->claimed) {
1245                 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1246                 return -ENODEV;
1247         }
1248
1249         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1250                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1251                 hdev->ff_init(hdev);
1252
1253         len = 0;
1254         if (hdev->claimed & HID_CLAIMED_INPUT)
1255                 len += sprintf(buf + len, "input");
1256         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1257                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1258                                 hdev->minor);
1259         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1260                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1261                                 ((struct hidraw *)hdev->hidraw)->minor);
1262
1263         type = "Device";
1264         for (i = 0; i < hdev->maxcollection; i++) {
1265                 struct hid_collection *col = &hdev->collection[i];
1266                 if (col->type == HID_COLLECTION_APPLICATION &&
1267                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1268                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1269                         type = types[col->usage & 0xffff];
1270                         break;
1271                 }
1272         }
1273
1274         switch (hdev->bus) {
1275         case BUS_USB:
1276                 bus = "USB";
1277                 break;
1278         case BUS_BLUETOOTH:
1279                 bus = "BLUETOOTH";
1280                 break;
1281         default:
1282                 bus = "<UNKNOWN>";
1283         }
1284
1285         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1286         if (ret)
1287                 hid_warn(hdev,
1288                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1289
1290         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1291                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1292                  type, hdev->name, hdev->phys);
1293
1294         return 0;
1295 }
1296 EXPORT_SYMBOL_GPL(hid_connect);
1297
1298 void hid_disconnect(struct hid_device *hdev)
1299 {
1300         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1301         if (hdev->claimed & HID_CLAIMED_INPUT)
1302                 hidinput_disconnect(hdev);
1303         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1304                 hdev->hiddev_disconnect(hdev);
1305         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1306                 hidraw_disconnect(hdev);
1307 }
1308 EXPORT_SYMBOL_GPL(hid_disconnect);
1309
1310 /* a list of devices for which there is a specialized driver on HID bus */
1311 static const struct hid_device_id hid_have_special_driver[] = {
1312         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1313         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1314         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1315         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1316         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1317         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1318         { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1319         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1320         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1321         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1322         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1323         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1324         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1325         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1326         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1327         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1328         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1329         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1330         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1331         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1332         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1333         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1334         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1335         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1336         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1337         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1338         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1339         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1340         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1341         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1342         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1343         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1344         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1345         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1346         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1347         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1348         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1349         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1350         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1351         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1352         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1353         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1354         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1355         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1356         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1357         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1358         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1359         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1360         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1361         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1362         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1363         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1364         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1365         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1366         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1367         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1368         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1369         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1370         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1371         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1372         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1373         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1374         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1375         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1376         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1377         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1378         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1379         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1380         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1381         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1382         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1383         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1384         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1385         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1386         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1387         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1388         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1389         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1390         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1391         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1392         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1393         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1394         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1395         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1396         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1397         { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1398         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1399         { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1400         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1401         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1402         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1403         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1404         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1405         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1406         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1407         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH) },
1408         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH1) },
1409         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH2) },
1410         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH3) },
1411         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH4) },
1412         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1413         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1414         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1415         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1416         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1417         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1418         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1419         { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1420         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1421         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1422         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1423         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1424         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1425         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1426         { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1427         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1428         { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1429         { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1430         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1431         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1432         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1433         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1434         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1435         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1436         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1437         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1438         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1439         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1440         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1441         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1442         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1443         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1444         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1445         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1446         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1447         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1448         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1449         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1450         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1451         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1452         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1453         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1454         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1455         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1456         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1457         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1458         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1459         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1460         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1461         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1462         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1463         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1464         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1465         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1466         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1467         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1468         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1469         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1470         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1471         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1472         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1473         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1474         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1475         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1476         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1477         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1478         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1479         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1480         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1481         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1482         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1483         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1484         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1485         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1486         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1487         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1488         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1489         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1490         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1491         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1492         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1493         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1494         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1495         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1496         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1497         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1498         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1499         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1500         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1501         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1502         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1503         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1504         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1505         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1506         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1507         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1508         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1509         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1510         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1511         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1512         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1513         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1514         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1515         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1516         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1517         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1518         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1519         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1520         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1521         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1522         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1523         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1524         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1525         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1526         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1527         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1528         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1529         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1530         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1531         { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1532         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1533         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1534         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1535         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1536         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1537         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1538         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1539         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1540         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1541         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1542         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1543         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1544         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1545         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1546         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1547         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1548         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1549         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1550         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1551         { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1552         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1553         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1554         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1555         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1556
1557         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1558         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1559         { }
1560 };
1561
1562 struct hid_dynid {
1563         struct list_head list;
1564         struct hid_device_id id;
1565 };
1566
1567 /**
1568  * store_new_id - add a new HID device ID to this driver and re-probe devices
1569  * @driver: target device driver
1570  * @buf: buffer for scanning device ID data
1571  * @count: input size
1572  *
1573  * Adds a new dynamic hid device ID to this driver,
1574  * and causes the driver to probe for all devices again.
1575  */
1576 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1577                 size_t count)
1578 {
1579         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1580         struct hid_dynid *dynid;
1581         __u32 bus, vendor, product;
1582         unsigned long driver_data = 0;
1583         int ret;
1584
1585         ret = sscanf(buf, "%x %x %x %lx",
1586                         &bus, &vendor, &product, &driver_data);
1587         if (ret < 3)
1588                 return -EINVAL;
1589
1590         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1591         if (!dynid)
1592                 return -ENOMEM;
1593
1594         dynid->id.bus = bus;
1595         dynid->id.vendor = vendor;
1596         dynid->id.product = product;
1597         dynid->id.driver_data = driver_data;
1598
1599         spin_lock(&hdrv->dyn_lock);
1600         list_add_tail(&dynid->list, &hdrv->dyn_list);
1601         spin_unlock(&hdrv->dyn_lock);
1602
1603         ret = 0;
1604         if (get_driver(&hdrv->driver)) {
1605                 ret = driver_attach(&hdrv->driver);
1606                 put_driver(&hdrv->driver);
1607         }
1608
1609         return ret ? : count;
1610 }
1611 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1612
1613 static void hid_free_dynids(struct hid_driver *hdrv)
1614 {
1615         struct hid_dynid *dynid, *n;
1616
1617         spin_lock(&hdrv->dyn_lock);
1618         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1619                 list_del(&dynid->list);
1620                 kfree(dynid);
1621         }
1622         spin_unlock(&hdrv->dyn_lock);
1623 }
1624
1625 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1626                 struct hid_driver *hdrv)
1627 {
1628         struct hid_dynid *dynid;
1629
1630         spin_lock(&hdrv->dyn_lock);
1631         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1632                 if (hid_match_one_id(hdev, &dynid->id)) {
1633                         spin_unlock(&hdrv->dyn_lock);
1634                         return &dynid->id;
1635                 }
1636         }
1637         spin_unlock(&hdrv->dyn_lock);
1638
1639         return hid_match_id(hdev, hdrv->id_table);
1640 }
1641
1642 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1643 {
1644         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1645         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1646
1647         if (!hid_match_device(hdev, hdrv))
1648                 return 0;
1649
1650         /* generic wants all that don't have specialized driver */
1651         if (!strncmp(hdrv->name, "generic-", 8))
1652                 return !hid_match_id(hdev, hid_have_special_driver);
1653
1654         return 1;
1655 }
1656
1657 static int hid_device_probe(struct device *dev)
1658 {
1659         struct hid_driver *hdrv = container_of(dev->driver,
1660                         struct hid_driver, driver);
1661         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1662         const struct hid_device_id *id;
1663         int ret = 0;
1664
1665         if (down_interruptible(&hdev->driver_lock))
1666                 return -EINTR;
1667
1668         if (!hdev->driver) {
1669                 id = hid_match_device(hdev, hdrv);
1670                 if (id == NULL) {
1671                         ret = -ENODEV;
1672                         goto unlock;
1673                 }
1674
1675                 hdev->driver = hdrv;
1676                 if (hdrv->probe) {
1677                         ret = hdrv->probe(hdev, id);
1678                 } else { /* default probe */
1679                         ret = hid_parse(hdev);
1680                         if (!ret)
1681                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1682                 }
1683                 if (ret)
1684                         hdev->driver = NULL;
1685         }
1686 unlock:
1687         up(&hdev->driver_lock);
1688         return ret;
1689 }
1690
1691 static int hid_device_remove(struct device *dev)
1692 {
1693         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1694         struct hid_driver *hdrv;
1695
1696         if (down_interruptible(&hdev->driver_lock))
1697                 return -EINTR;
1698
1699         hdrv = hdev->driver;
1700         if (hdrv) {
1701                 if (hdrv->remove)
1702                         hdrv->remove(hdev);
1703                 else /* default remove */
1704                         hid_hw_stop(hdev);
1705                 hdev->driver = NULL;
1706         }
1707
1708         up(&hdev->driver_lock);
1709         return 0;
1710 }
1711
1712 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1713 {
1714         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1715
1716         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1717                         hdev->bus, hdev->vendor, hdev->product))
1718                 return -ENOMEM;
1719
1720         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1721                 return -ENOMEM;
1722
1723         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1724                 return -ENOMEM;
1725
1726         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1727                 return -ENOMEM;
1728
1729         if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1730                         hdev->bus, hdev->vendor, hdev->product))
1731                 return -ENOMEM;
1732
1733         return 0;
1734 }
1735
1736 static struct bus_type hid_bus_type = {
1737         .name           = "hid",
1738         .match          = hid_bus_match,
1739         .probe          = hid_device_probe,
1740         .remove         = hid_device_remove,
1741         .uevent         = hid_uevent,
1742 };
1743
1744 /* a list of devices that shouldn't be handled by HID core at all */
1745 static const struct hid_device_id hid_ignore_list[] = {
1746         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1747         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1748         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1749         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1750         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1751         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1752         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1753         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1754         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1755         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1756         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1757         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1758         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1759         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1760         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1761         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1762         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1763         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1764         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1765         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1766         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1767         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1768         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1769         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1770         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1771         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1772         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1773         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1774         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1775         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1776         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1777         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1778         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1779         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1780         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1781         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1782         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1783         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1784         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1785         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1786         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1787         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1788         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1789         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1790         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1791         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1792         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1793         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1794         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1795         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1796         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1797         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1798         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1799         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1800         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1801         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1802         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1803         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1804         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1805         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1806         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1807         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1808         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1809         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1810         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1811         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1812         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1813         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1814         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1815         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1816         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1817         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1818         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1819         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1820         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1821         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1822         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1823         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1824         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1825         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1826         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1827         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1828         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1829         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1830         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1831         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1832         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1833         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1834         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1835         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1836         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1837         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1838         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1839         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1840         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1841         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1842         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1855         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1856         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
1905         { }
1906 };
1907
1908 /**
1909  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
1910  *
1911  * There are composite devices for which we want to ignore only a certain
1912  * interface. This is a list of devices for which only the mouse interface will
1913  * be ignored. This allows a dedicated driver to take care of the interface.
1914  */
1915 static const struct hid_device_id hid_mouse_ignore_list[] = {
1916         /* appletouch driver */
1917         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1960         { }
1961 };
1962
1963 static bool hid_ignore(struct hid_device *hdev)
1964 {
1965         switch (hdev->vendor) {
1966         case USB_VENDOR_ID_CODEMERCS:
1967                 /* ignore all Code Mercenaries IOWarrior devices */
1968                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
1969                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
1970                         return true;
1971                 break;
1972         case USB_VENDOR_ID_LOGITECH:
1973                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
1974                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
1975                         return true;
1976                 break;
1977         case USB_VENDOR_ID_SOUNDGRAPH:
1978                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
1979                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
1980                         return true;
1981                 break;
1982         case USB_VENDOR_ID_HANWANG:
1983                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
1984                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
1985                         return true;
1986                 break;
1987         case USB_VENDOR_ID_JESS:
1988                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
1989                                 hdev->type == HID_TYPE_USBNONE)
1990                         return true;
1991         break;
1992         }
1993
1994         if (hdev->type == HID_TYPE_USBMOUSE &&
1995                         hid_match_id(hdev, hid_mouse_ignore_list))
1996                 return true;
1997
1998         return !!hid_match_id(hdev, hid_ignore_list);
1999 }
2000
2001 int hid_add_device(struct hid_device *hdev)
2002 {
2003         static atomic_t id = ATOMIC_INIT(0);
2004         int ret;
2005
2006         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2007                 return -EBUSY;
2008
2009         /* we need to kill them here, otherwise they will stay allocated to
2010          * wait for coming driver */
2011         if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2012             && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2013                 return -ENODEV;
2014
2015         /* XXX hack, any other cleaner solution after the driver core
2016          * is converted to allow more than 20 bytes as the device name? */
2017         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2018                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2019
2020         hid_debug_register(hdev, dev_name(&hdev->dev));
2021         ret = device_add(&hdev->dev);
2022         if (!ret)
2023                 hdev->status |= HID_STAT_ADDED;
2024         else
2025                 hid_debug_unregister(hdev);
2026
2027         return ret;
2028 }
2029 EXPORT_SYMBOL_GPL(hid_add_device);
2030
2031 /**
2032  * hid_allocate_device - allocate new hid device descriptor
2033  *
2034  * Allocate and initialize hid device, so that hid_destroy_device might be
2035  * used to free it.
2036  *
2037  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2038  * error value.
2039  */
2040 struct hid_device *hid_allocate_device(void)
2041 {
2042         struct hid_device *hdev;
2043         unsigned int i;
2044         int ret = -ENOMEM;
2045
2046         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2047         if (hdev == NULL)
2048                 return ERR_PTR(ret);
2049
2050         device_initialize(&hdev->dev);
2051         hdev->dev.release = hid_device_release;
2052         hdev->dev.bus = &hid_bus_type;
2053
2054         hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2055                         sizeof(struct hid_collection), GFP_KERNEL);
2056         if (hdev->collection == NULL)
2057                 goto err;
2058         hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2059
2060         for (i = 0; i < HID_REPORT_TYPES; i++)
2061                 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2062
2063         init_waitqueue_head(&hdev->debug_wait);
2064         INIT_LIST_HEAD(&hdev->debug_list);
2065         sema_init(&hdev->driver_lock, 1);
2066
2067         return hdev;
2068 err:
2069         put_device(&hdev->dev);
2070         return ERR_PTR(ret);
2071 }
2072 EXPORT_SYMBOL_GPL(hid_allocate_device);
2073
2074 static void hid_remove_device(struct hid_device *hdev)
2075 {
2076         if (hdev->status & HID_STAT_ADDED) {
2077                 device_del(&hdev->dev);
2078                 hid_debug_unregister(hdev);
2079                 hdev->status &= ~HID_STAT_ADDED;
2080         }
2081 }
2082
2083 /**
2084  * hid_destroy_device - free previously allocated device
2085  *
2086  * @hdev: hid device
2087  *
2088  * If you allocate hid_device through hid_allocate_device, you should ever
2089  * free by this function.
2090  */
2091 void hid_destroy_device(struct hid_device *hdev)
2092 {
2093         hid_remove_device(hdev);
2094         put_device(&hdev->dev);
2095 }
2096 EXPORT_SYMBOL_GPL(hid_destroy_device);
2097
2098 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2099                 const char *mod_name)
2100 {
2101         int ret;
2102
2103         hdrv->driver.name = hdrv->name;
2104         hdrv->driver.bus = &hid_bus_type;
2105         hdrv->driver.owner = owner;
2106         hdrv->driver.mod_name = mod_name;
2107
2108         INIT_LIST_HEAD(&hdrv->dyn_list);
2109         spin_lock_init(&hdrv->dyn_lock);
2110
2111         ret = driver_register(&hdrv->driver);
2112         if (ret)
2113                 return ret;
2114
2115         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2116         if (ret)
2117                 driver_unregister(&hdrv->driver);
2118
2119         return ret;
2120 }
2121 EXPORT_SYMBOL_GPL(__hid_register_driver);
2122
2123 void hid_unregister_driver(struct hid_driver *hdrv)
2124 {
2125         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2126         driver_unregister(&hdrv->driver);
2127         hid_free_dynids(hdrv);
2128 }
2129 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2130
2131 int hid_check_keys_pressed(struct hid_device *hid)
2132 {
2133         struct hid_input *hidinput;
2134         int i;
2135
2136         if (!(hid->claimed & HID_CLAIMED_INPUT))
2137                 return 0;
2138
2139         list_for_each_entry(hidinput, &hid->inputs, list) {
2140                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2141                         if (hidinput->input->key[i])
2142                                 return 1;
2143         }
2144
2145         return 0;
2146 }
2147
2148 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2149
2150 static int __init hid_init(void)
2151 {
2152         int ret;
2153
2154         if (hid_debug)
2155                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2156                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2157
2158         ret = bus_register(&hid_bus_type);
2159         if (ret) {
2160                 pr_err("can't register hid bus\n");
2161                 goto err;
2162         }
2163
2164         ret = hidraw_init();
2165         if (ret)
2166                 goto err_bus;
2167
2168         hid_debug_init();
2169
2170         return 0;
2171 err_bus:
2172         bus_unregister(&hid_bus_type);
2173 err:
2174         return ret;
2175 }
2176
2177 static void __exit hid_exit(void)
2178 {
2179         hid_debug_exit();
2180         hidraw_exit();
2181         bus_unregister(&hid_bus_type);
2182 }
2183
2184 module_init(hid_init);
2185 module_exit(hid_exit);
2186
2187 MODULE_AUTHOR("Andreas Gal");
2188 MODULE_AUTHOR("Vojtech Pavlik");
2189 MODULE_AUTHOR("Jiri Kosina");
2190 MODULE_LICENSE(DRIVER_LICENSE);
2191