HID: provide a helper for validating hid reports
[pandora-kernel.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 (id >= HID_MAX_IDS)
63                 return NULL;
64         if (report_enum->report_id_hash[id])
65                 return report_enum->report_id_hash[id];
66
67         report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
68         if (!report)
69                 return NULL;
70
71         if (id != 0)
72                 report_enum->numbered = 1;
73
74         report->id = id;
75         report->type = type;
76         report->size = 0;
77         report->device = device;
78         report_enum->report_id_hash[id] = report;
79
80         list_add_tail(&report->list, &report_enum->report_list);
81
82         return report;
83 }
84 EXPORT_SYMBOL_GPL(hid_register_report);
85
86 /*
87  * Register a new field for this report.
88  */
89
90 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
91 {
92         struct hid_field *field;
93
94         if (report->maxfield == HID_MAX_FIELDS) {
95                 dbg_hid("too many fields in report\n");
96                 return NULL;
97         }
98
99         field = kzalloc((sizeof(struct hid_field) +
100                          usages * sizeof(struct hid_usage) +
101                          values * sizeof(unsigned)), GFP_KERNEL);
102         if (!field)
103                 return NULL;
104
105         field->index = report->maxfield++;
106         report->field[field->index] = field;
107         field->usage = (struct hid_usage *)(field + 1);
108         field->value = (s32 *)(field->usage + usages);
109         field->report = report;
110
111         return field;
112 }
113
114 /*
115  * Open a collection. The type/usage is pushed on the stack.
116  */
117
118 static int open_collection(struct hid_parser *parser, unsigned type)
119 {
120         struct hid_collection *collection;
121         unsigned usage;
122
123         usage = parser->local.usage[0];
124
125         if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
126                 dbg_hid("collection stack overflow\n");
127                 return -1;
128         }
129
130         if (parser->device->maxcollection == parser->device->collection_size) {
131                 collection = kmalloc(sizeof(struct hid_collection) *
132                                 parser->device->collection_size * 2, GFP_KERNEL);
133                 if (collection == NULL) {
134                         dbg_hid("failed to reallocate collection array\n");
135                         return -1;
136                 }
137                 memcpy(collection, parser->device->collection,
138                         sizeof(struct hid_collection) *
139                         parser->device->collection_size);
140                 memset(collection + parser->device->collection_size, 0,
141                         sizeof(struct hid_collection) *
142                         parser->device->collection_size);
143                 kfree(parser->device->collection);
144                 parser->device->collection = collection;
145                 parser->device->collection_size *= 2;
146         }
147
148         parser->collection_stack[parser->collection_stack_ptr++] =
149                 parser->device->maxcollection;
150
151         collection = parser->device->collection +
152                 parser->device->maxcollection++;
153         collection->type = type;
154         collection->usage = usage;
155         collection->level = parser->collection_stack_ptr - 1;
156
157         if (type == HID_COLLECTION_APPLICATION)
158                 parser->device->maxapplication++;
159
160         return 0;
161 }
162
163 /*
164  * Close a collection.
165  */
166
167 static int close_collection(struct hid_parser *parser)
168 {
169         if (!parser->collection_stack_ptr) {
170                 dbg_hid("collection stack underflow\n");
171                 return -1;
172         }
173         parser->collection_stack_ptr--;
174         return 0;
175 }
176
177 /*
178  * Climb up the stack, search for the specified collection type
179  * and return the usage.
180  */
181
182 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
183 {
184         struct hid_collection *collection = parser->device->collection;
185         int n;
186
187         for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
188                 unsigned index = parser->collection_stack[n];
189                 if (collection[index].type == type)
190                         return collection[index].usage;
191         }
192         return 0; /* we know nothing about this usage type */
193 }
194
195 /*
196  * Add a usage to the temporary parser table.
197  */
198
199 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
200 {
201         if (parser->local.usage_index >= HID_MAX_USAGES) {
202                 dbg_hid("usage index exceeded\n");
203                 return -1;
204         }
205         parser->local.usage[parser->local.usage_index] = usage;
206         parser->local.collection_index[parser->local.usage_index] =
207                 parser->collection_stack_ptr ?
208                 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
209         parser->local.usage_index++;
210         return 0;
211 }
212
213 /*
214  * Register a new field for this report.
215  */
216
217 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
218 {
219         struct hid_report *report;
220         struct hid_field *field;
221         int usages;
222         unsigned offset;
223         int i;
224
225         report = hid_register_report(parser->device, report_type, parser->global.report_id);
226         if (!report) {
227                 dbg_hid("hid_register_report failed\n");
228                 return -1;
229         }
230
231         if (parser->global.logical_maximum < parser->global.logical_minimum) {
232                 dbg_hid("logical range invalid %d %d\n", parser->global.logical_minimum, parser->global.logical_maximum);
233                 return -1;
234         }
235
236         offset = report->size;
237         report->size += parser->global.report_size * parser->global.report_count;
238
239         if (!parser->local.usage_index) /* Ignore padding fields */
240                 return 0;
241
242         usages = max_t(int, parser->local.usage_index, parser->global.report_count);
243
244         field = hid_register_field(report, usages, parser->global.report_count);
245         if (!field)
246                 return 0;
247
248         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
249         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
250         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
251
252         for (i = 0; i < usages; i++) {
253                 int j = i;
254                 /* Duplicate the last usage we parsed if we have excess values */
255                 if (i >= parser->local.usage_index)
256                         j = parser->local.usage_index - 1;
257                 field->usage[i].hid = parser->local.usage[j];
258                 field->usage[i].collection_index =
259                         parser->local.collection_index[j];
260         }
261
262         field->maxusage = usages;
263         field->flags = flags;
264         field->report_offset = offset;
265         field->report_type = report_type;
266         field->report_size = parser->global.report_size;
267         field->report_count = parser->global.report_count;
268         field->logical_minimum = parser->global.logical_minimum;
269         field->logical_maximum = parser->global.logical_maximum;
270         field->physical_minimum = parser->global.physical_minimum;
271         field->physical_maximum = parser->global.physical_maximum;
272         field->unit_exponent = parser->global.unit_exponent;
273         field->unit = parser->global.unit;
274
275         return 0;
276 }
277
278 /*
279  * Read data value from item.
280  */
281
282 static u32 item_udata(struct hid_item *item)
283 {
284         switch (item->size) {
285         case 1: return item->data.u8;
286         case 2: return item->data.u16;
287         case 4: return item->data.u32;
288         }
289         return 0;
290 }
291
292 static s32 item_sdata(struct hid_item *item)
293 {
294         switch (item->size) {
295         case 1: return item->data.s8;
296         case 2: return item->data.s16;
297         case 4: return item->data.s32;
298         }
299         return 0;
300 }
301
302 /*
303  * Process a global item.
304  */
305
306 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
307 {
308         switch (item->tag) {
309         case HID_GLOBAL_ITEM_TAG_PUSH:
310
311                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
312                         dbg_hid("global environment stack overflow\n");
313                         return -1;
314                 }
315
316                 memcpy(parser->global_stack + parser->global_stack_ptr++,
317                         &parser->global, sizeof(struct hid_global));
318                 return 0;
319
320         case HID_GLOBAL_ITEM_TAG_POP:
321
322                 if (!parser->global_stack_ptr) {
323                         dbg_hid("global environment stack underflow\n");
324                         return -1;
325                 }
326
327                 memcpy(&parser->global, parser->global_stack +
328                         --parser->global_stack_ptr, sizeof(struct hid_global));
329                 return 0;
330
331         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
332                 parser->global.usage_page = item_udata(item);
333                 return 0;
334
335         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
336                 parser->global.logical_minimum = item_sdata(item);
337                 return 0;
338
339         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
340                 if (parser->global.logical_minimum < 0)
341                         parser->global.logical_maximum = item_sdata(item);
342                 else
343                         parser->global.logical_maximum = item_udata(item);
344                 return 0;
345
346         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
347                 parser->global.physical_minimum = item_sdata(item);
348                 return 0;
349
350         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
351                 if (parser->global.physical_minimum < 0)
352                         parser->global.physical_maximum = item_sdata(item);
353                 else
354                         parser->global.physical_maximum = item_udata(item);
355                 return 0;
356
357         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
358                 parser->global.unit_exponent = item_sdata(item);
359                 return 0;
360
361         case HID_GLOBAL_ITEM_TAG_UNIT:
362                 parser->global.unit = item_udata(item);
363                 return 0;
364
365         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
366                 parser->global.report_size = item_udata(item);
367                 if (parser->global.report_size > 96) {
368                         dbg_hid("invalid report_size %d\n",
369                                         parser->global.report_size);
370                         return -1;
371                 }
372                 return 0;
373
374         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
375                 parser->global.report_count = item_udata(item);
376                 if (parser->global.report_count > HID_MAX_USAGES) {
377                         dbg_hid("invalid report_count %d\n",
378                                         parser->global.report_count);
379                         return -1;
380                 }
381                 return 0;
382
383         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
384                 parser->global.report_id = item_udata(item);
385                 if (parser->global.report_id == 0 ||
386                     parser->global.report_id >= HID_MAX_IDS) {
387                         dbg_hid("report_id %u is invalid\n",
388                                 parser->global.report_id);
389                         return -1;
390                 }
391                 return 0;
392
393         default:
394                 dbg_hid("unknown global tag 0x%x\n", item->tag);
395                 return -1;
396         }
397 }
398
399 /*
400  * Process a local item.
401  */
402
403 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
404 {
405         __u32 data;
406         unsigned n;
407
408         data = item_udata(item);
409
410         switch (item->tag) {
411         case HID_LOCAL_ITEM_TAG_DELIMITER:
412
413                 if (data) {
414                         /*
415                          * We treat items before the first delimiter
416                          * as global to all usage sets (branch 0).
417                          * In the moment we process only these global
418                          * items and the first delimiter set.
419                          */
420                         if (parser->local.delimiter_depth != 0) {
421                                 dbg_hid("nested delimiters\n");
422                                 return -1;
423                         }
424                         parser->local.delimiter_depth++;
425                         parser->local.delimiter_branch++;
426                 } else {
427                         if (parser->local.delimiter_depth < 1) {
428                                 dbg_hid("bogus close delimiter\n");
429                                 return -1;
430                         }
431                         parser->local.delimiter_depth--;
432                 }
433                 return 1;
434
435         case HID_LOCAL_ITEM_TAG_USAGE:
436
437                 if (parser->local.delimiter_branch > 1) {
438                         dbg_hid("alternative usage ignored\n");
439                         return 0;
440                 }
441
442                 if (item->size <= 2)
443                         data = (parser->global.usage_page << 16) + data;
444
445                 return hid_add_usage(parser, data);
446
447         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
448
449                 if (parser->local.delimiter_branch > 1) {
450                         dbg_hid("alternative usage ignored\n");
451                         return 0;
452                 }
453
454                 if (item->size <= 2)
455                         data = (parser->global.usage_page << 16) + data;
456
457                 parser->local.usage_minimum = data;
458                 return 0;
459
460         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
461
462                 if (parser->local.delimiter_branch > 1) {
463                         dbg_hid("alternative usage ignored\n");
464                         return 0;
465                 }
466
467                 if (item->size <= 2)
468                         data = (parser->global.usage_page << 16) + data;
469
470                 for (n = parser->local.usage_minimum; n <= data; n++)
471                         if (hid_add_usage(parser, n)) {
472                                 dbg_hid("hid_add_usage failed\n");
473                                 return -1;
474                         }
475                 return 0;
476
477         default:
478
479                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
480                 return 0;
481         }
482         return 0;
483 }
484
485 /*
486  * Process a main item.
487  */
488
489 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
490 {
491         __u32 data;
492         int ret;
493
494         data = item_udata(item);
495
496         switch (item->tag) {
497         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
498                 ret = open_collection(parser, data & 0xff);
499                 break;
500         case HID_MAIN_ITEM_TAG_END_COLLECTION:
501                 ret = close_collection(parser);
502                 break;
503         case HID_MAIN_ITEM_TAG_INPUT:
504                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
505                 break;
506         case HID_MAIN_ITEM_TAG_OUTPUT:
507                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
508                 break;
509         case HID_MAIN_ITEM_TAG_FEATURE:
510                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
511                 break;
512         default:
513                 dbg_hid("unknown main item tag 0x%x\n", item->tag);
514                 ret = 0;
515         }
516
517         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
518
519         return ret;
520 }
521
522 /*
523  * Process a reserved item.
524  */
525
526 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
527 {
528         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
529         return 0;
530 }
531
532 /*
533  * Free a report and all registered fields. The field->usage and
534  * field->value table's are allocated behind the field, so we need
535  * only to free(field) itself.
536  */
537
538 static void hid_free_report(struct hid_report *report)
539 {
540         unsigned n;
541
542         for (n = 0; n < report->maxfield; n++)
543                 kfree(report->field[n]);
544         kfree(report);
545 }
546
547 /*
548  * Free a device structure, all reports, and all fields.
549  */
550
551 static void hid_device_release(struct device *dev)
552 {
553         struct hid_device *device = container_of(dev, struct hid_device, dev);
554         unsigned i, j;
555
556         for (i = 0; i < HID_REPORT_TYPES; i++) {
557                 struct hid_report_enum *report_enum = device->report_enum + i;
558
559                 for (j = 0; j < HID_MAX_IDS; j++) {
560                         struct hid_report *report = report_enum->report_id_hash[j];
561                         if (report)
562                                 hid_free_report(report);
563                 }
564         }
565
566         kfree(device->rdesc);
567         kfree(device->collection);
568         kfree(device);
569 }
570
571 /*
572  * Fetch a report description item from the data stream. We support long
573  * items, though they are not used yet.
574  */
575
576 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
577 {
578         u8 b;
579
580         if ((end - start) <= 0)
581                 return NULL;
582
583         b = *start++;
584
585         item->type = (b >> 2) & 3;
586         item->tag  = (b >> 4) & 15;
587
588         if (item->tag == HID_ITEM_TAG_LONG) {
589
590                 item->format = HID_ITEM_FORMAT_LONG;
591
592                 if ((end - start) < 2)
593                         return NULL;
594
595                 item->size = *start++;
596                 item->tag  = *start++;
597
598                 if ((end - start) < item->size)
599                         return NULL;
600
601                 item->data.longdata = start;
602                 start += item->size;
603                 return start;
604         }
605
606         item->format = HID_ITEM_FORMAT_SHORT;
607         item->size = b & 3;
608
609         switch (item->size) {
610         case 0:
611                 return start;
612
613         case 1:
614                 if ((end - start) < 1)
615                         return NULL;
616                 item->data.u8 = *start++;
617                 return start;
618
619         case 2:
620                 if ((end - start) < 2)
621                         return NULL;
622                 item->data.u16 = get_unaligned_le16(start);
623                 start = (__u8 *)((__le16 *)start + 1);
624                 return start;
625
626         case 3:
627                 item->size++;
628                 if ((end - start) < 4)
629                         return NULL;
630                 item->data.u32 = get_unaligned_le32(start);
631                 start = (__u8 *)((__le32 *)start + 1);
632                 return start;
633         }
634
635         return NULL;
636 }
637
638 /**
639  * hid_parse_report - parse device report
640  *
641  * @device: hid device
642  * @start: report start
643  * @size: report size
644  *
645  * Parse a report description into a hid_device structure. Reports are
646  * enumerated, fields are attached to these reports.
647  * 0 returned on success, otherwise nonzero error value.
648  */
649 int hid_parse_report(struct hid_device *device, __u8 *start,
650                 unsigned size)
651 {
652         struct hid_parser *parser;
653         struct hid_item item;
654         __u8 *end;
655         int ret;
656         static int (*dispatch_type[])(struct hid_parser *parser,
657                                       struct hid_item *item) = {
658                 hid_parser_main,
659                 hid_parser_global,
660                 hid_parser_local,
661                 hid_parser_reserved
662         };
663
664         if (device->driver->report_fixup)
665                 start = device->driver->report_fixup(device, start, &size);
666
667         device->rdesc = kmemdup(start, size, GFP_KERNEL);
668         if (device->rdesc == NULL)
669                 return -ENOMEM;
670         device->rsize = size;
671
672         parser = vzalloc(sizeof(struct hid_parser));
673         if (!parser) {
674                 ret = -ENOMEM;
675                 goto err;
676         }
677
678         parser->device = device;
679
680         end = start + size;
681         ret = -EINVAL;
682         while ((start = fetch_item(start, end, &item)) != NULL) {
683
684                 if (item.format != HID_ITEM_FORMAT_SHORT) {
685                         dbg_hid("unexpected long global item\n");
686                         goto err;
687                 }
688
689                 if (dispatch_type[item.type](parser, &item)) {
690                         dbg_hid("item %u %u %u %u parsing failed\n",
691                                 item.format, (unsigned)item.size,
692                                 (unsigned)item.type, (unsigned)item.tag);
693                         goto err;
694                 }
695
696                 if (start == end) {
697                         if (parser->collection_stack_ptr) {
698                                 dbg_hid("unbalanced collection at end of report description\n");
699                                 goto err;
700                         }
701                         if (parser->local.delimiter_depth) {
702                                 dbg_hid("unbalanced delimiter at end of report description\n");
703                                 goto err;
704                         }
705                         vfree(parser);
706                         return 0;
707                 }
708         }
709
710         dbg_hid("item fetching failed at offset %d\n", (int)(end - start));
711 err:
712         vfree(parser);
713         return ret;
714 }
715 EXPORT_SYMBOL_GPL(hid_parse_report);
716
717 static const char * const hid_report_names[] = {
718         "HID_INPUT_REPORT",
719         "HID_OUTPUT_REPORT",
720         "HID_FEATURE_REPORT",
721 };
722 /**
723  * hid_validate_values - validate existing device report's value indexes
724  *
725  * @device: hid device
726  * @type: which report type to examine
727  * @id: which report ID to examine (0 for first)
728  * @field_index: which report field to examine
729  * @report_counts: expected number of values
730  *
731  * Validate the number of values in a given field of a given report, after
732  * parsing.
733  */
734 struct hid_report *hid_validate_values(struct hid_device *hid,
735                                        unsigned int type, unsigned int id,
736                                        unsigned int field_index,
737                                        unsigned int report_counts)
738 {
739         struct hid_report *report;
740
741         if (type > HID_FEATURE_REPORT) {
742                 hid_err(hid, "invalid HID report type %u\n", type);
743                 return NULL;
744         }
745
746         if (id >= HID_MAX_IDS) {
747                 hid_err(hid, "invalid HID report id %u\n", id);
748                 return NULL;
749         }
750
751         /*
752          * Explicitly not using hid_get_report() here since it depends on
753          * ->numbered being checked, which may not always be the case when
754          * drivers go to access report values.
755          */
756         report = hid->report_enum[type].report_id_hash[id];
757         if (!report) {
758                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
759                 return NULL;
760         }
761         if (report->maxfield <= field_index) {
762                 hid_err(hid, "not enough fields in %s %u\n",
763                         hid_report_names[type], id);
764                 return NULL;
765         }
766         if (report->field[field_index]->report_count < report_counts) {
767                 hid_err(hid, "not enough values in %s %u field %u\n",
768                         hid_report_names[type], id, field_index);
769                 return NULL;
770         }
771         return report;
772 }
773 EXPORT_SYMBOL_GPL(hid_validate_values);
774
775 /*
776  * Convert a signed n-bit integer to signed 32-bit integer. Common
777  * cases are done through the compiler, the screwed things has to be
778  * done by hand.
779  */
780
781 static s32 snto32(__u32 value, unsigned n)
782 {
783         switch (n) {
784         case 8:  return ((__s8)value);
785         case 16: return ((__s16)value);
786         case 32: return ((__s32)value);
787         }
788         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
789 }
790
791 /*
792  * Convert a signed 32-bit integer to a signed n-bit integer.
793  */
794
795 static u32 s32ton(__s32 value, unsigned n)
796 {
797         s32 a = value >> (n - 1);
798         if (a && a != -1)
799                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
800         return value & ((1 << n) - 1);
801 }
802
803 /*
804  * Extract/implement a data field from/to a little endian report (bit array).
805  *
806  * Code sort-of follows HID spec:
807  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
808  *
809  * While the USB HID spec allows unlimited length bit fields in "report
810  * descriptors", most devices never use more than 16 bits.
811  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
812  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
813  */
814
815 static __u32 extract(const struct hid_device *hid, __u8 *report,
816                      unsigned offset, unsigned n)
817 {
818         u64 x;
819
820         if (n > 32)
821                 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
822                          n, current->comm);
823
824         report += offset >> 3;  /* adjust byte index */
825         offset &= 7;            /* now only need bit offset into one byte */
826         x = get_unaligned_le64(report);
827         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
828         return (u32) x;
829 }
830
831 /*
832  * "implement" : set bits in a little endian bit stream.
833  * Same concepts as "extract" (see comments above).
834  * The data mangled in the bit stream remains in little endian
835  * order the whole time. It make more sense to talk about
836  * endianness of register values by considering a register
837  * a "cached" copy of the little endiad bit stream.
838  */
839 static void implement(const struct hid_device *hid, __u8 *report,
840                       unsigned offset, unsigned n, __u32 value)
841 {
842         u64 x;
843         u64 m = (1ULL << n) - 1;
844
845         if (n > 32)
846                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
847                          __func__, n, current->comm);
848
849         if (value > m)
850                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
851                          __func__, value, current->comm);
852         WARN_ON(value > m);
853         value &= m;
854
855         report += offset >> 3;
856         offset &= 7;
857
858         x = get_unaligned_le64(report);
859         x &= ~(m << offset);
860         x |= ((u64)value) << offset;
861         put_unaligned_le64(x, report);
862 }
863
864 /*
865  * Search an array for a value.
866  */
867
868 static int search(__s32 *array, __s32 value, unsigned n)
869 {
870         while (n--) {
871                 if (*array++ == value)
872                         return 0;
873         }
874         return -1;
875 }
876
877 /**
878  * hid_match_report - check if driver's raw_event should be called
879  *
880  * @hid: hid device
881  * @report_type: type to match against
882  *
883  * compare hid->driver->report_table->report_type to report->type
884  */
885 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
886 {
887         const struct hid_report_id *id = hid->driver->report_table;
888
889         if (!id) /* NULL means all */
890                 return 1;
891
892         for (; id->report_type != HID_TERMINATOR; id++)
893                 if (id->report_type == HID_ANY_ID ||
894                                 id->report_type == report->type)
895                         return 1;
896         return 0;
897 }
898
899 /**
900  * hid_match_usage - check if driver's event should be called
901  *
902  * @hid: hid device
903  * @usage: usage to match against
904  *
905  * compare hid->driver->usage_table->usage_{type,code} to
906  * usage->usage_{type,code}
907  */
908 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
909 {
910         const struct hid_usage_id *id = hid->driver->usage_table;
911
912         if (!id) /* NULL means all */
913                 return 1;
914
915         for (; id->usage_type != HID_ANY_ID - 1; id++)
916                 if ((id->usage_hid == HID_ANY_ID ||
917                                 id->usage_hid == usage->hid) &&
918                                 (id->usage_type == HID_ANY_ID ||
919                                 id->usage_type == usage->type) &&
920                                 (id->usage_code == HID_ANY_ID ||
921                                  id->usage_code == usage->code))
922                         return 1;
923         return 0;
924 }
925
926 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
927                 struct hid_usage *usage, __s32 value, int interrupt)
928 {
929         struct hid_driver *hdrv = hid->driver;
930         int ret;
931
932         hid_dump_input(hid, usage, value);
933
934         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
935                 ret = hdrv->event(hid, field, usage, value);
936                 if (ret != 0) {
937                         if (ret < 0)
938                                 dbg_hid("%s's event failed with %d\n",
939                                                 hdrv->name, ret);
940                         return;
941                 }
942         }
943
944         if (hid->claimed & HID_CLAIMED_INPUT)
945                 hidinput_hid_event(hid, field, usage, value);
946         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
947                 hid->hiddev_hid_event(hid, field, usage, value);
948 }
949
950 /*
951  * Analyse a received field, and fetch the data from it. The field
952  * content is stored for next report processing (we do differential
953  * reporting to the layer).
954  */
955
956 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
957                             __u8 *data, int interrupt)
958 {
959         unsigned n;
960         unsigned count = field->report_count;
961         unsigned offset = field->report_offset;
962         unsigned size = field->report_size;
963         __s32 min = field->logical_minimum;
964         __s32 max = field->logical_maximum;
965         __s32 *value;
966
967         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
968         if (!value)
969                 return;
970
971         for (n = 0; n < count; n++) {
972
973                 value[n] = min < 0 ?
974                         snto32(extract(hid, data, offset + n * size, size),
975                                size) :
976                         extract(hid, data, offset + n * size, size);
977
978                 /* Ignore report if ErrorRollOver */
979                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
980                     value[n] >= min && value[n] <= max &&
981                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
982                         goto exit;
983         }
984
985         for (n = 0; n < count; n++) {
986
987                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
988                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
989                         continue;
990                 }
991
992                 if (field->value[n] >= min && field->value[n] <= max
993                         && field->usage[field->value[n] - min].hid
994                         && search(value, field->value[n], count))
995                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
996
997                 if (value[n] >= min && value[n] <= max
998                         && field->usage[value[n] - min].hid
999                         && search(field->value, value[n], count))
1000                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1001         }
1002
1003         memcpy(field->value, value, count * sizeof(__s32));
1004 exit:
1005         kfree(value);
1006 }
1007
1008 /*
1009  * Output the field into the report.
1010  */
1011
1012 static void hid_output_field(const struct hid_device *hid,
1013                              struct hid_field *field, __u8 *data)
1014 {
1015         unsigned count = field->report_count;
1016         unsigned offset = field->report_offset;
1017         unsigned size = field->report_size;
1018         unsigned n;
1019
1020         for (n = 0; n < count; n++) {
1021                 if (field->logical_minimum < 0) /* signed values */
1022                         implement(hid, data, offset + n * size, size,
1023                                   s32ton(field->value[n], size));
1024                 else                            /* unsigned values */
1025                         implement(hid, data, offset + n * size, size,
1026                                   field->value[n]);
1027         }
1028 }
1029
1030 /*
1031  * Create a report.
1032  */
1033
1034 void hid_output_report(struct hid_report *report, __u8 *data)
1035 {
1036         unsigned n;
1037
1038         if (report->id > 0)
1039                 *data++ = report->id;
1040
1041         memset(data, 0, ((report->size - 1) >> 3) + 1);
1042         for (n = 0; n < report->maxfield; n++)
1043                 hid_output_field(report->device, report->field[n], data);
1044 }
1045 EXPORT_SYMBOL_GPL(hid_output_report);
1046
1047 /*
1048  * Set a field value. The report this field belongs to has to be
1049  * created and transferred to the device, to set this value in the
1050  * device.
1051  */
1052
1053 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1054 {
1055         unsigned size;
1056
1057         if (!field)
1058                 return -1;
1059
1060         size = field->report_size;
1061
1062         hid_dump_input(field->report->device, field->usage + offset, value);
1063
1064         if (offset >= field->report_count) {
1065                 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count);
1066                 return -1;
1067         }
1068         if (field->logical_minimum < 0) {
1069                 if (value != snto32(s32ton(value, size), size)) {
1070                         dbg_hid("value %d is out of range\n", value);
1071                         return -1;
1072                 }
1073         }
1074         field->value[offset] = value;
1075         return 0;
1076 }
1077 EXPORT_SYMBOL_GPL(hid_set_field);
1078
1079 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1080                 const u8 *data)
1081 {
1082         struct hid_report *report;
1083         unsigned int n = 0;     /* Normally report number is 0 */
1084
1085         /* Device uses numbered reports, data[0] is report number */
1086         if (report_enum->numbered)
1087                 n = *data;
1088
1089         report = report_enum->report_id_hash[n];
1090         if (report == NULL)
1091                 dbg_hid("undefined report_id %u received\n", n);
1092
1093         return report;
1094 }
1095
1096 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1097                 int interrupt)
1098 {
1099         struct hid_report_enum *report_enum = hid->report_enum + type;
1100         struct hid_report *report;
1101         unsigned int a;
1102         int rsize, csize = size;
1103         u8 *cdata = data;
1104         int ret = 0;
1105
1106         report = hid_get_report(report_enum, data);
1107         if (!report)
1108                 goto out;
1109
1110         if (report_enum->numbered) {
1111                 cdata++;
1112                 csize--;
1113         }
1114
1115         rsize = ((report->size - 1) >> 3) + 1;
1116
1117         if (rsize > HID_MAX_BUFFER_SIZE)
1118                 rsize = HID_MAX_BUFFER_SIZE;
1119
1120         if (csize < rsize) {
1121                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1122                                 csize, rsize);
1123                 memset(cdata + csize, 0, rsize - csize);
1124         }
1125
1126         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1127                 hid->hiddev_report_event(hid, report);
1128         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1129                 ret = hidraw_report_event(hid, data, size);
1130                 if (ret)
1131                         goto out;
1132         }
1133
1134         for (a = 0; a < report->maxfield; a++)
1135                 hid_input_field(hid, report->field[a], cdata, interrupt);
1136
1137         if (hid->claimed & HID_CLAIMED_INPUT)
1138                 hidinput_report_event(hid, report);
1139 out:
1140         return ret;
1141 }
1142 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1143
1144 /**
1145  * hid_input_report - report data from lower layer (usb, bt...)
1146  *
1147  * @hid: hid device
1148  * @type: HID report type (HID_*_REPORT)
1149  * @data: report contents
1150  * @size: size of data parameter
1151  * @interrupt: distinguish between interrupt and control transfers
1152  *
1153  * This is data entry for lower layers.
1154  */
1155 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1156 {
1157         struct hid_report_enum *report_enum;
1158         struct hid_driver *hdrv;
1159         struct hid_report *report;
1160         char *buf;
1161         unsigned int i;
1162         int ret = 0;
1163
1164         if (!hid)
1165                 return -ENODEV;
1166
1167         if (down_trylock(&hid->driver_lock))
1168                 return -EBUSY;
1169
1170         if (!hid->driver) {
1171                 ret = -ENODEV;
1172                 goto unlock;
1173         }
1174         report_enum = hid->report_enum + type;
1175         hdrv = hid->driver;
1176
1177         if (!size) {
1178                 dbg_hid("empty report\n");
1179                 ret = -1;
1180                 goto unlock;
1181         }
1182
1183         buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1184
1185         if (!buf)
1186                 goto nomem;
1187
1188         /* dump the report */
1189         snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1190                         "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1191         hid_debug_event(hid, buf);
1192
1193         for (i = 0; i < size; i++) {
1194                 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1195                                 " %02x", data[i]);
1196                 hid_debug_event(hid, buf);
1197         }
1198         hid_debug_event(hid, "\n");
1199         kfree(buf);
1200
1201 nomem:
1202         report = hid_get_report(report_enum, data);
1203
1204         if (!report) {
1205                 ret = -1;
1206                 goto unlock;
1207         }
1208
1209         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1210                 ret = hdrv->raw_event(hid, report, data, size);
1211                 if (ret != 0) {
1212                         ret = ret < 0 ? ret : 0;
1213                         goto unlock;
1214                 }
1215         }
1216
1217         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1218
1219 unlock:
1220         up(&hid->driver_lock);
1221         return ret;
1222 }
1223 EXPORT_SYMBOL_GPL(hid_input_report);
1224
1225 static bool hid_match_one_id(struct hid_device *hdev,
1226                 const struct hid_device_id *id)
1227 {
1228         return id->bus == hdev->bus &&
1229                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1230                 (id->product == HID_ANY_ID || id->product == hdev->product);
1231 }
1232
1233 static const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1234                 const struct hid_device_id *id)
1235 {
1236         for (; id->bus; id++)
1237                 if (hid_match_one_id(hdev, id))
1238                         return id;
1239
1240         return NULL;
1241 }
1242
1243 static const struct hid_device_id hid_hiddev_list[] = {
1244         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1245         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1246         { }
1247 };
1248
1249 static bool hid_hiddev(struct hid_device *hdev)
1250 {
1251         return !!hid_match_id(hdev, hid_hiddev_list);
1252 }
1253
1254
1255 static ssize_t
1256 read_report_descriptor(struct file *filp, struct kobject *kobj,
1257                 struct bin_attribute *attr,
1258                 char *buf, loff_t off, size_t count)
1259 {
1260         struct device *dev = container_of(kobj, struct device, kobj);
1261         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1262
1263         if (off >= hdev->rsize)
1264                 return 0;
1265
1266         if (off + count > hdev->rsize)
1267                 count = hdev->rsize - off;
1268
1269         memcpy(buf, hdev->rdesc + off, count);
1270
1271         return count;
1272 }
1273
1274 static struct bin_attribute dev_bin_attr_report_desc = {
1275         .attr = { .name = "report_descriptor", .mode = 0444 },
1276         .read = read_report_descriptor,
1277         .size = HID_MAX_DESCRIPTOR_SIZE,
1278 };
1279
1280 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1281 {
1282         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1283                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1284                 "Multi-Axis Controller"
1285         };
1286         const char *type, *bus;
1287         char buf[64];
1288         unsigned int i;
1289         int len;
1290         int ret;
1291
1292         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1293                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1294         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1295                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1296         if (hdev->bus != BUS_USB)
1297                 connect_mask &= ~HID_CONNECT_HIDDEV;
1298         if (hid_hiddev(hdev))
1299                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1300
1301         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1302                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1303                 hdev->claimed |= HID_CLAIMED_INPUT;
1304         if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1305                 /* this device should be handled by hid-multitouch, skip it */
1306                 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
1307                 return -ENODEV;
1308         }
1309
1310         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1311                         !hdev->hiddev_connect(hdev,
1312                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1313                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1314         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1315                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1316
1317         if (!hdev->claimed) {
1318                 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1319                 return -ENODEV;
1320         }
1321
1322         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1323                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1324                 hdev->ff_init(hdev);
1325
1326         len = 0;
1327         if (hdev->claimed & HID_CLAIMED_INPUT)
1328                 len += sprintf(buf + len, "input");
1329         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1330                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1331                                 hdev->minor);
1332         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1333                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1334                                 ((struct hidraw *)hdev->hidraw)->minor);
1335
1336         type = "Device";
1337         for (i = 0; i < hdev->maxcollection; i++) {
1338                 struct hid_collection *col = &hdev->collection[i];
1339                 if (col->type == HID_COLLECTION_APPLICATION &&
1340                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1341                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1342                         type = types[col->usage & 0xffff];
1343                         break;
1344                 }
1345         }
1346
1347         switch (hdev->bus) {
1348         case BUS_USB:
1349                 bus = "USB";
1350                 break;
1351         case BUS_BLUETOOTH:
1352                 bus = "BLUETOOTH";
1353                 break;
1354         default:
1355                 bus = "<UNKNOWN>";
1356         }
1357
1358         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1359         if (ret)
1360                 hid_warn(hdev,
1361                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1362
1363         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1364                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1365                  type, hdev->name, hdev->phys);
1366
1367         return 0;
1368 }
1369 EXPORT_SYMBOL_GPL(hid_connect);
1370
1371 void hid_disconnect(struct hid_device *hdev)
1372 {
1373         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1374         if (hdev->claimed & HID_CLAIMED_INPUT)
1375                 hidinput_disconnect(hdev);
1376         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1377                 hdev->hiddev_disconnect(hdev);
1378         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1379                 hidraw_disconnect(hdev);
1380 }
1381 EXPORT_SYMBOL_GPL(hid_disconnect);
1382
1383 /* a list of devices for which there is a specialized driver on HID bus */
1384 static const struct hid_device_id hid_have_special_driver[] = {
1385         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1386         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1387         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1388         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1389         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1390         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1391         { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1392         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1393         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1394         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1395         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1396         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1397         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1398         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1399         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1400         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1401         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1402         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1403         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1404         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1405         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1406         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1407         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1408         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1409         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1410         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1411         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1412         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1413         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1414         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1415         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1416         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1417         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1418         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1419         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1420         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1421         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1422         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1423         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1424         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1425         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1426         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1427         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1428         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1429         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1430         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1431         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1432         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1433         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1434         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1435         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1436         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1437         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1438         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1439         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1440         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1441         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1442         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1443         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1444         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1445         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1446         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1447         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1448         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1449         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1450         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1451         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1452         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1453         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1454         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1455         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1456         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1457         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1458         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1459         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1460         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1461         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1462         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1463         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1464         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1465         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1466         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1467         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1468         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1469         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1470         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1471         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1472         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1473         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1474         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1475         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1476         { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1477         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1478         { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1479         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1480         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1481         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1482         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1483         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1484         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1485         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1486         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1487         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1488         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1489         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1490         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1491         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1492         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1493         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1494         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1495         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1496         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1497         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1498         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1499         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1500         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1501         { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1502         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1503         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1504         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1505         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1506         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1507         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1508         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1509         { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1510         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1511         { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1512         { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1513         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1514         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1515         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1516         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1517         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1518         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1519         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1520         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1521         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1522         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1523         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1524         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1525         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1526         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1527         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1528         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1529         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1530         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1531         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1532         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1533         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1534         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1535         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1536         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1537         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1538         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1539         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1540         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1541         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1542         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1543         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1544         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1545         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1546         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1547         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1548         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1549         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1550         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1551         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1552         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1553         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1554         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1555         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1556         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1557         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1558         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1559         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1560         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1561         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1562         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1563         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1564         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1565         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1566         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1567         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1568         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1569         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1570         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1571         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1572         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1573         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1574         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1575         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1576         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1577         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1578         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1579         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1580         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1581         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1582         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1583         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1584         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1585         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1586         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1587         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1588         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1589         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1590         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1591         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1592         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1593         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1594         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1595         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1596         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1597         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1598         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1599         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1600         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1601         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1602         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1603         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1604         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1605         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1606         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1607         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1608         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1609         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1610         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1611         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1612         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1613         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1614         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1615         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1616         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1617         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1618         { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1619         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1620         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1621         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1622         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1623         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1624         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1625         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1626         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1627         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1628         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1629         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1630         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1631         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1632         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1633         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1634         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1635         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1636         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1637         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1638         { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1639         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1640         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1641         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1642         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1643         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1644         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1645         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1646         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1647         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1648         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1649         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1650         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1651         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1652
1653         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1654         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1655         { }
1656 };
1657
1658 struct hid_dynid {
1659         struct list_head list;
1660         struct hid_device_id id;
1661 };
1662
1663 /**
1664  * store_new_id - add a new HID device ID to this driver and re-probe devices
1665  * @driver: target device driver
1666  * @buf: buffer for scanning device ID data
1667  * @count: input size
1668  *
1669  * Adds a new dynamic hid device ID to this driver,
1670  * and causes the driver to probe for all devices again.
1671  */
1672 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1673                 size_t count)
1674 {
1675         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1676         struct hid_dynid *dynid;
1677         __u32 bus, vendor, product;
1678         unsigned long driver_data = 0;
1679         int ret;
1680
1681         ret = sscanf(buf, "%x %x %x %lx",
1682                         &bus, &vendor, &product, &driver_data);
1683         if (ret < 3)
1684                 return -EINVAL;
1685
1686         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1687         if (!dynid)
1688                 return -ENOMEM;
1689
1690         dynid->id.bus = bus;
1691         dynid->id.vendor = vendor;
1692         dynid->id.product = product;
1693         dynid->id.driver_data = driver_data;
1694
1695         spin_lock(&hdrv->dyn_lock);
1696         list_add_tail(&dynid->list, &hdrv->dyn_list);
1697         spin_unlock(&hdrv->dyn_lock);
1698
1699         ret = 0;
1700         if (get_driver(&hdrv->driver)) {
1701                 ret = driver_attach(&hdrv->driver);
1702                 put_driver(&hdrv->driver);
1703         }
1704
1705         return ret ? : count;
1706 }
1707 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1708
1709 static void hid_free_dynids(struct hid_driver *hdrv)
1710 {
1711         struct hid_dynid *dynid, *n;
1712
1713         spin_lock(&hdrv->dyn_lock);
1714         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1715                 list_del(&dynid->list);
1716                 kfree(dynid);
1717         }
1718         spin_unlock(&hdrv->dyn_lock);
1719 }
1720
1721 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1722                 struct hid_driver *hdrv)
1723 {
1724         struct hid_dynid *dynid;
1725
1726         spin_lock(&hdrv->dyn_lock);
1727         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1728                 if (hid_match_one_id(hdev, &dynid->id)) {
1729                         spin_unlock(&hdrv->dyn_lock);
1730                         return &dynid->id;
1731                 }
1732         }
1733         spin_unlock(&hdrv->dyn_lock);
1734
1735         return hid_match_id(hdev, hdrv->id_table);
1736 }
1737
1738 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1739 {
1740         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1741         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1742
1743         if (!hid_match_device(hdev, hdrv))
1744                 return 0;
1745
1746         /* generic wants all that don't have specialized driver */
1747         if (!strncmp(hdrv->name, "generic-", 8))
1748                 return !hid_match_id(hdev, hid_have_special_driver);
1749
1750         return 1;
1751 }
1752
1753 static int hid_device_probe(struct device *dev)
1754 {
1755         struct hid_driver *hdrv = container_of(dev->driver,
1756                         struct hid_driver, driver);
1757         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1758         const struct hid_device_id *id;
1759         int ret = 0;
1760
1761         if (down_interruptible(&hdev->driver_lock))
1762                 return -EINTR;
1763
1764         if (!hdev->driver) {
1765                 id = hid_match_device(hdev, hdrv);
1766                 if (id == NULL) {
1767                         ret = -ENODEV;
1768                         goto unlock;
1769                 }
1770
1771                 hdev->driver = hdrv;
1772                 if (hdrv->probe) {
1773                         ret = hdrv->probe(hdev, id);
1774                 } else { /* default probe */
1775                         ret = hid_parse(hdev);
1776                         if (!ret)
1777                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1778                 }
1779                 if (ret)
1780                         hdev->driver = NULL;
1781         }
1782 unlock:
1783         up(&hdev->driver_lock);
1784         return ret;
1785 }
1786
1787 static int hid_device_remove(struct device *dev)
1788 {
1789         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1790         struct hid_driver *hdrv;
1791
1792         if (down_interruptible(&hdev->driver_lock))
1793                 return -EINTR;
1794
1795         hdrv = hdev->driver;
1796         if (hdrv) {
1797                 if (hdrv->remove)
1798                         hdrv->remove(hdev);
1799                 else /* default remove */
1800                         hid_hw_stop(hdev);
1801                 hdev->driver = NULL;
1802         }
1803
1804         up(&hdev->driver_lock);
1805         return 0;
1806 }
1807
1808 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1809 {
1810         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1811
1812         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1813                         hdev->bus, hdev->vendor, hdev->product))
1814                 return -ENOMEM;
1815
1816         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1817                 return -ENOMEM;
1818
1819         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1820                 return -ENOMEM;
1821
1822         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1823                 return -ENOMEM;
1824
1825         if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1826                         hdev->bus, hdev->vendor, hdev->product))
1827                 return -ENOMEM;
1828
1829         return 0;
1830 }
1831
1832 static struct bus_type hid_bus_type = {
1833         .name           = "hid",
1834         .match          = hid_bus_match,
1835         .probe          = hid_device_probe,
1836         .remove         = hid_device_remove,
1837         .uevent         = hid_uevent,
1838 };
1839
1840 /* a list of devices that shouldn't be handled by HID core at all */
1841 static const struct hid_device_id hid_ignore_list[] = {
1842         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1843         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1844         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1845         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1846         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1847         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1848         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1849         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1850         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1851         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1852         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1853         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1854         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1855         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1856         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1869         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1870         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1937         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1951         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2003         { }
2004 };
2005
2006 /**
2007  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2008  *
2009  * There are composite devices for which we want to ignore only a certain
2010  * interface. This is a list of devices for which only the mouse interface will
2011  * be ignored. This allows a dedicated driver to take care of the interface.
2012  */
2013 static const struct hid_device_id hid_mouse_ignore_list[] = {
2014         /* appletouch driver */
2015         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2017         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2018         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2019         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2020         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2021         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2022         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2023         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2024         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2025         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2026         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2027         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2028         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2029         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2031         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2032         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2037         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2038         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2039         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2040         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2041         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2043         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2044         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2045         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2046         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2047         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2048         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2049         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2050         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2051         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2052         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2053         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2054         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2055         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2056         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2057         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2058         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2059         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2060         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2061         { }
2062 };
2063
2064 static bool hid_ignore(struct hid_device *hdev)
2065 {
2066         switch (hdev->vendor) {
2067         case USB_VENDOR_ID_CODEMERCS:
2068                 /* ignore all Code Mercenaries IOWarrior devices */
2069                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2070                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2071                         return true;
2072                 break;
2073         case USB_VENDOR_ID_LOGITECH:
2074                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2075                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2076                         return true;
2077                 break;
2078         case USB_VENDOR_ID_SOUNDGRAPH:
2079                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2080                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2081                         return true;
2082                 break;
2083         case USB_VENDOR_ID_HANWANG:
2084                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2085                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2086                         return true;
2087                 break;
2088         case USB_VENDOR_ID_JESS:
2089                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2090                                 hdev->type == HID_TYPE_USBNONE)
2091                         return true;
2092         break;
2093         }
2094
2095         if (hdev->type == HID_TYPE_USBMOUSE &&
2096                         hid_match_id(hdev, hid_mouse_ignore_list))
2097                 return true;
2098
2099         return !!hid_match_id(hdev, hid_ignore_list);
2100 }
2101
2102 int hid_add_device(struct hid_device *hdev)
2103 {
2104         static atomic_t id = ATOMIC_INIT(0);
2105         int ret;
2106
2107         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2108                 return -EBUSY;
2109
2110         /* we need to kill them here, otherwise they will stay allocated to
2111          * wait for coming driver */
2112         if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2113             && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2114                 return -ENODEV;
2115
2116         /* XXX hack, any other cleaner solution after the driver core
2117          * is converted to allow more than 20 bytes as the device name? */
2118         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2119                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2120
2121         hid_debug_register(hdev, dev_name(&hdev->dev));
2122         ret = device_add(&hdev->dev);
2123         if (!ret)
2124                 hdev->status |= HID_STAT_ADDED;
2125         else
2126                 hid_debug_unregister(hdev);
2127
2128         return ret;
2129 }
2130 EXPORT_SYMBOL_GPL(hid_add_device);
2131
2132 /**
2133  * hid_allocate_device - allocate new hid device descriptor
2134  *
2135  * Allocate and initialize hid device, so that hid_destroy_device might be
2136  * used to free it.
2137  *
2138  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2139  * error value.
2140  */
2141 struct hid_device *hid_allocate_device(void)
2142 {
2143         struct hid_device *hdev;
2144         unsigned int i;
2145         int ret = -ENOMEM;
2146
2147         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2148         if (hdev == NULL)
2149                 return ERR_PTR(ret);
2150
2151         device_initialize(&hdev->dev);
2152         hdev->dev.release = hid_device_release;
2153         hdev->dev.bus = &hid_bus_type;
2154
2155         hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2156                         sizeof(struct hid_collection), GFP_KERNEL);
2157         if (hdev->collection == NULL)
2158                 goto err;
2159         hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2160
2161         for (i = 0; i < HID_REPORT_TYPES; i++)
2162                 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2163
2164         init_waitqueue_head(&hdev->debug_wait);
2165         INIT_LIST_HEAD(&hdev->debug_list);
2166         sema_init(&hdev->driver_lock, 1);
2167
2168         return hdev;
2169 err:
2170         put_device(&hdev->dev);
2171         return ERR_PTR(ret);
2172 }
2173 EXPORT_SYMBOL_GPL(hid_allocate_device);
2174
2175 static void hid_remove_device(struct hid_device *hdev)
2176 {
2177         if (hdev->status & HID_STAT_ADDED) {
2178                 device_del(&hdev->dev);
2179                 hid_debug_unregister(hdev);
2180                 hdev->status &= ~HID_STAT_ADDED;
2181         }
2182 }
2183
2184 /**
2185  * hid_destroy_device - free previously allocated device
2186  *
2187  * @hdev: hid device
2188  *
2189  * If you allocate hid_device through hid_allocate_device, you should ever
2190  * free by this function.
2191  */
2192 void hid_destroy_device(struct hid_device *hdev)
2193 {
2194         hid_remove_device(hdev);
2195         put_device(&hdev->dev);
2196 }
2197 EXPORT_SYMBOL_GPL(hid_destroy_device);
2198
2199 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2200                 const char *mod_name)
2201 {
2202         int ret;
2203
2204         hdrv->driver.name = hdrv->name;
2205         hdrv->driver.bus = &hid_bus_type;
2206         hdrv->driver.owner = owner;
2207         hdrv->driver.mod_name = mod_name;
2208
2209         INIT_LIST_HEAD(&hdrv->dyn_list);
2210         spin_lock_init(&hdrv->dyn_lock);
2211
2212         ret = driver_register(&hdrv->driver);
2213         if (ret)
2214                 return ret;
2215
2216         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2217         if (ret)
2218                 driver_unregister(&hdrv->driver);
2219
2220         return ret;
2221 }
2222 EXPORT_SYMBOL_GPL(__hid_register_driver);
2223
2224 void hid_unregister_driver(struct hid_driver *hdrv)
2225 {
2226         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2227         driver_unregister(&hdrv->driver);
2228         hid_free_dynids(hdrv);
2229 }
2230 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2231
2232 int hid_check_keys_pressed(struct hid_device *hid)
2233 {
2234         struct hid_input *hidinput;
2235         int i;
2236
2237         if (!(hid->claimed & HID_CLAIMED_INPUT))
2238                 return 0;
2239
2240         list_for_each_entry(hidinput, &hid->inputs, list) {
2241                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2242                         if (hidinput->input->key[i])
2243                                 return 1;
2244         }
2245
2246         return 0;
2247 }
2248
2249 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2250
2251 static int __init hid_init(void)
2252 {
2253         int ret;
2254
2255         if (hid_debug)
2256                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2257                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2258
2259         ret = bus_register(&hid_bus_type);
2260         if (ret) {
2261                 pr_err("can't register hid bus\n");
2262                 goto err;
2263         }
2264
2265         ret = hidraw_init();
2266         if (ret)
2267                 goto err_bus;
2268
2269         hid_debug_init();
2270
2271         return 0;
2272 err_bus:
2273         bus_unregister(&hid_bus_type);
2274 err:
2275         return ret;
2276 }
2277
2278 static void __exit hid_exit(void)
2279 {
2280         hid_debug_exit();
2281         hidraw_exit();
2282         bus_unregister(&hid_bus_type);
2283 }
2284
2285 module_init(hid_init);
2286 module_exit(hid_exit);
2287
2288 MODULE_AUTHOR("Andreas Gal");
2289 MODULE_AUTHOR("Vojtech Pavlik");
2290 MODULE_AUTHOR("Jiri Kosina");
2291 MODULE_LICENSE(DRIVER_LICENSE);
2292