HID: core: prevent out-of-bound readings
[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         unsigned usages;
222         unsigned offset;
223         unsigned 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(unsigned, parser->local.usage_index,
243                                  parser->global.report_count);
244
245         field = hid_register_field(report, usages, parser->global.report_count);
246         if (!field)
247                 return 0;
248
249         field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
250         field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
251         field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
252
253         for (i = 0; i < usages; i++) {
254                 unsigned j = i;
255                 /* Duplicate the last usage we parsed if we have excess values */
256                 if (i >= parser->local.usage_index)
257                         j = parser->local.usage_index - 1;
258                 field->usage[i].hid = parser->local.usage[j];
259                 field->usage[i].collection_index =
260                         parser->local.collection_index[j];
261         }
262
263         field->maxusage = usages;
264         field->flags = flags;
265         field->report_offset = offset;
266         field->report_type = report_type;
267         field->report_size = parser->global.report_size;
268         field->report_count = parser->global.report_count;
269         field->logical_minimum = parser->global.logical_minimum;
270         field->logical_maximum = parser->global.logical_maximum;
271         field->physical_minimum = parser->global.physical_minimum;
272         field->physical_maximum = parser->global.physical_maximum;
273         field->unit_exponent = parser->global.unit_exponent;
274         field->unit = parser->global.unit;
275
276         return 0;
277 }
278
279 /*
280  * Read data value from item.
281  */
282
283 static u32 item_udata(struct hid_item *item)
284 {
285         switch (item->size) {
286         case 1: return item->data.u8;
287         case 2: return item->data.u16;
288         case 4: return item->data.u32;
289         }
290         return 0;
291 }
292
293 static s32 item_sdata(struct hid_item *item)
294 {
295         switch (item->size) {
296         case 1: return item->data.s8;
297         case 2: return item->data.s16;
298         case 4: return item->data.s32;
299         }
300         return 0;
301 }
302
303 /*
304  * Process a global item.
305  */
306
307 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
308 {
309         switch (item->tag) {
310         case HID_GLOBAL_ITEM_TAG_PUSH:
311
312                 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
313                         dbg_hid("global environment stack overflow\n");
314                         return -1;
315                 }
316
317                 memcpy(parser->global_stack + parser->global_stack_ptr++,
318                         &parser->global, sizeof(struct hid_global));
319                 return 0;
320
321         case HID_GLOBAL_ITEM_TAG_POP:
322
323                 if (!parser->global_stack_ptr) {
324                         dbg_hid("global environment stack underflow\n");
325                         return -1;
326                 }
327
328                 memcpy(&parser->global, parser->global_stack +
329                         --parser->global_stack_ptr, sizeof(struct hid_global));
330                 return 0;
331
332         case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
333                 parser->global.usage_page = item_udata(item);
334                 return 0;
335
336         case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
337                 parser->global.logical_minimum = item_sdata(item);
338                 return 0;
339
340         case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
341                 if (parser->global.logical_minimum < 0)
342                         parser->global.logical_maximum = item_sdata(item);
343                 else
344                         parser->global.logical_maximum = item_udata(item);
345                 return 0;
346
347         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
348                 parser->global.physical_minimum = item_sdata(item);
349                 return 0;
350
351         case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
352                 if (parser->global.physical_minimum < 0)
353                         parser->global.physical_maximum = item_sdata(item);
354                 else
355                         parser->global.physical_maximum = item_udata(item);
356                 return 0;
357
358         case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
359                 parser->global.unit_exponent = item_sdata(item);
360                 return 0;
361
362         case HID_GLOBAL_ITEM_TAG_UNIT:
363                 parser->global.unit = item_udata(item);
364                 return 0;
365
366         case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
367                 parser->global.report_size = item_udata(item);
368                 if (parser->global.report_size > 96) {
369                         dbg_hid("invalid report_size %d\n",
370                                         parser->global.report_size);
371                         return -1;
372                 }
373                 return 0;
374
375         case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
376                 parser->global.report_count = item_udata(item);
377                 if (parser->global.report_count > HID_MAX_USAGES) {
378                         dbg_hid("invalid report_count %d\n",
379                                         parser->global.report_count);
380                         return -1;
381                 }
382                 return 0;
383
384         case HID_GLOBAL_ITEM_TAG_REPORT_ID:
385                 parser->global.report_id = item_udata(item);
386                 if (parser->global.report_id == 0 ||
387                     parser->global.report_id >= HID_MAX_IDS) {
388                         dbg_hid("report_id %u is invalid\n",
389                                 parser->global.report_id);
390                         return -1;
391                 }
392                 return 0;
393
394         default:
395                 dbg_hid("unknown global tag 0x%x\n", item->tag);
396                 return -1;
397         }
398 }
399
400 /*
401  * Process a local item.
402  */
403
404 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
405 {
406         __u32 data;
407         unsigned n;
408
409         data = item_udata(item);
410
411         switch (item->tag) {
412         case HID_LOCAL_ITEM_TAG_DELIMITER:
413
414                 if (data) {
415                         /*
416                          * We treat items before the first delimiter
417                          * as global to all usage sets (branch 0).
418                          * In the moment we process only these global
419                          * items and the first delimiter set.
420                          */
421                         if (parser->local.delimiter_depth != 0) {
422                                 dbg_hid("nested delimiters\n");
423                                 return -1;
424                         }
425                         parser->local.delimiter_depth++;
426                         parser->local.delimiter_branch++;
427                 } else {
428                         if (parser->local.delimiter_depth < 1) {
429                                 dbg_hid("bogus close delimiter\n");
430                                 return -1;
431                         }
432                         parser->local.delimiter_depth--;
433                 }
434                 return 1;
435
436         case HID_LOCAL_ITEM_TAG_USAGE:
437
438                 if (parser->local.delimiter_branch > 1) {
439                         dbg_hid("alternative usage ignored\n");
440                         return 0;
441                 }
442
443                 if (item->size <= 2)
444                         data = (parser->global.usage_page << 16) + data;
445
446                 return hid_add_usage(parser, data);
447
448         case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
449
450                 if (parser->local.delimiter_branch > 1) {
451                         dbg_hid("alternative usage ignored\n");
452                         return 0;
453                 }
454
455                 if (item->size <= 2)
456                         data = (parser->global.usage_page << 16) + data;
457
458                 parser->local.usage_minimum = data;
459                 return 0;
460
461         case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
462
463                 if (parser->local.delimiter_branch > 1) {
464                         dbg_hid("alternative usage ignored\n");
465                         return 0;
466                 }
467
468                 if (item->size <= 2)
469                         data = (parser->global.usage_page << 16) + data;
470
471                 for (n = parser->local.usage_minimum; n <= data; n++)
472                         if (hid_add_usage(parser, n)) {
473                                 dbg_hid("hid_add_usage failed\n");
474                                 return -1;
475                         }
476                 return 0;
477
478         default:
479
480                 dbg_hid("unknown local item tag 0x%x\n", item->tag);
481                 return 0;
482         }
483         return 0;
484 }
485
486 /*
487  * Process a main item.
488  */
489
490 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
491 {
492         __u32 data;
493         int ret;
494
495         data = item_udata(item);
496
497         switch (item->tag) {
498         case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
499                 ret = open_collection(parser, data & 0xff);
500                 break;
501         case HID_MAIN_ITEM_TAG_END_COLLECTION:
502                 ret = close_collection(parser);
503                 break;
504         case HID_MAIN_ITEM_TAG_INPUT:
505                 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
506                 break;
507         case HID_MAIN_ITEM_TAG_OUTPUT:
508                 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
509                 break;
510         case HID_MAIN_ITEM_TAG_FEATURE:
511                 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
512                 break;
513         default:
514                 dbg_hid("unknown main item tag 0x%x\n", item->tag);
515                 ret = 0;
516         }
517
518         memset(&parser->local, 0, sizeof(parser->local));       /* Reset the local parser environment */
519
520         return ret;
521 }
522
523 /*
524  * Process a reserved item.
525  */
526
527 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
528 {
529         dbg_hid("reserved item type, tag 0x%x\n", item->tag);
530         return 0;
531 }
532
533 /*
534  * Free a report and all registered fields. The field->usage and
535  * field->value table's are allocated behind the field, so we need
536  * only to free(field) itself.
537  */
538
539 static void hid_free_report(struct hid_report *report)
540 {
541         unsigned n;
542
543         for (n = 0; n < report->maxfield; n++)
544                 kfree(report->field[n]);
545         kfree(report);
546 }
547
548 /*
549  * Free a device structure, all reports, and all fields.
550  */
551
552 static void hid_device_release(struct device *dev)
553 {
554         struct hid_device *device = container_of(dev, struct hid_device, dev);
555         unsigned i, j;
556
557         for (i = 0; i < HID_REPORT_TYPES; i++) {
558                 struct hid_report_enum *report_enum = device->report_enum + i;
559
560                 for (j = 0; j < HID_MAX_IDS; j++) {
561                         struct hid_report *report = report_enum->report_id_hash[j];
562                         if (report)
563                                 hid_free_report(report);
564                 }
565         }
566
567         kfree(device->rdesc);
568         kfree(device->collection);
569         kfree(device);
570 }
571
572 /*
573  * Fetch a report description item from the data stream. We support long
574  * items, though they are not used yet.
575  */
576
577 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
578 {
579         u8 b;
580
581         if ((end - start) <= 0)
582                 return NULL;
583
584         b = *start++;
585
586         item->type = (b >> 2) & 3;
587         item->tag  = (b >> 4) & 15;
588
589         if (item->tag == HID_ITEM_TAG_LONG) {
590
591                 item->format = HID_ITEM_FORMAT_LONG;
592
593                 if ((end - start) < 2)
594                         return NULL;
595
596                 item->size = *start++;
597                 item->tag  = *start++;
598
599                 if ((end - start) < item->size)
600                         return NULL;
601
602                 item->data.longdata = start;
603                 start += item->size;
604                 return start;
605         }
606
607         item->format = HID_ITEM_FORMAT_SHORT;
608         item->size = b & 3;
609
610         switch (item->size) {
611         case 0:
612                 return start;
613
614         case 1:
615                 if ((end - start) < 1)
616                         return NULL;
617                 item->data.u8 = *start++;
618                 return start;
619
620         case 2:
621                 if ((end - start) < 2)
622                         return NULL;
623                 item->data.u16 = get_unaligned_le16(start);
624                 start = (__u8 *)((__le16 *)start + 1);
625                 return start;
626
627         case 3:
628                 item->size++;
629                 if ((end - start) < 4)
630                         return NULL;
631                 item->data.u32 = get_unaligned_le32(start);
632                 start = (__u8 *)((__le32 *)start + 1);
633                 return start;
634         }
635
636         return NULL;
637 }
638
639 /**
640  * hid_parse_report - parse device report
641  *
642  * @device: hid device
643  * @start: report start
644  * @size: report size
645  *
646  * Parse a report description into a hid_device structure. Reports are
647  * enumerated, fields are attached to these reports.
648  * 0 returned on success, otherwise nonzero error value.
649  */
650 int hid_parse_report(struct hid_device *device, __u8 *start,
651                 unsigned size)
652 {
653         struct hid_parser *parser;
654         struct hid_item item;
655         __u8 *end;
656         int ret;
657         static int (*dispatch_type[])(struct hid_parser *parser,
658                                       struct hid_item *item) = {
659                 hid_parser_main,
660                 hid_parser_global,
661                 hid_parser_local,
662                 hid_parser_reserved
663         };
664
665         if (device->driver->report_fixup)
666                 start = device->driver->report_fixup(device, start, &size);
667
668         device->rdesc = kmemdup(start, size, GFP_KERNEL);
669         if (device->rdesc == NULL)
670                 return -ENOMEM;
671         device->rsize = size;
672
673         parser = vzalloc(sizeof(struct hid_parser));
674         if (!parser) {
675                 ret = -ENOMEM;
676                 goto err;
677         }
678
679         parser->device = device;
680
681         end = start + size;
682         ret = -EINVAL;
683         while ((start = fetch_item(start, end, &item)) != NULL) {
684
685                 if (item.format != HID_ITEM_FORMAT_SHORT) {
686                         dbg_hid("unexpected long global item\n");
687                         goto err;
688                 }
689
690                 if (dispatch_type[item.type](parser, &item)) {
691                         dbg_hid("item %u %u %u %u parsing failed\n",
692                                 item.format, (unsigned)item.size,
693                                 (unsigned)item.type, (unsigned)item.tag);
694                         goto err;
695                 }
696
697                 if (start == end) {
698                         if (parser->collection_stack_ptr) {
699                                 dbg_hid("unbalanced collection at end of report description\n");
700                                 goto err;
701                         }
702                         if (parser->local.delimiter_depth) {
703                                 dbg_hid("unbalanced delimiter at end of report description\n");
704                                 goto err;
705                         }
706                         vfree(parser);
707                         return 0;
708                 }
709         }
710
711         dbg_hid("item fetching failed at offset %d\n", (int)(end - start));
712 err:
713         vfree(parser);
714         return ret;
715 }
716 EXPORT_SYMBOL_GPL(hid_parse_report);
717
718 static const char * const hid_report_names[] = {
719         "HID_INPUT_REPORT",
720         "HID_OUTPUT_REPORT",
721         "HID_FEATURE_REPORT",
722 };
723 /**
724  * hid_validate_values - validate existing device report's value indexes
725  *
726  * @device: hid device
727  * @type: which report type to examine
728  * @id: which report ID to examine (0 for first)
729  * @field_index: which report field to examine
730  * @report_counts: expected number of values
731  *
732  * Validate the number of values in a given field of a given report, after
733  * parsing.
734  */
735 struct hid_report *hid_validate_values(struct hid_device *hid,
736                                        unsigned int type, unsigned int id,
737                                        unsigned int field_index,
738                                        unsigned int report_counts)
739 {
740         struct hid_report *report;
741
742         if (type > HID_FEATURE_REPORT) {
743                 hid_err(hid, "invalid HID report type %u\n", type);
744                 return NULL;
745         }
746
747         if (id >= HID_MAX_IDS) {
748                 hid_err(hid, "invalid HID report id %u\n", id);
749                 return NULL;
750         }
751
752         /*
753          * Explicitly not using hid_get_report() here since it depends on
754          * ->numbered being checked, which may not always be the case when
755          * drivers go to access report values.
756          */
757         if (id == 0) {
758                 /*
759                  * Validating on id 0 means we should examine the first
760                  * report in the list.
761                  */
762                 report = list_entry(
763                                 hid->report_enum[type].report_list.next,
764                                 struct hid_report, list);
765         } else {
766                 report = hid->report_enum[type].report_id_hash[id];
767         }
768         if (!report) {
769                 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
770                 return NULL;
771         }
772         if (report->maxfield <= field_index) {
773                 hid_err(hid, "not enough fields in %s %u\n",
774                         hid_report_names[type], id);
775                 return NULL;
776         }
777         if (report->field[field_index]->report_count < report_counts) {
778                 hid_err(hid, "not enough values in %s %u field %u\n",
779                         hid_report_names[type], id, field_index);
780                 return NULL;
781         }
782         return report;
783 }
784 EXPORT_SYMBOL_GPL(hid_validate_values);
785
786 /*
787  * Convert a signed n-bit integer to signed 32-bit integer. Common
788  * cases are done through the compiler, the screwed things has to be
789  * done by hand.
790  */
791
792 static s32 snto32(__u32 value, unsigned n)
793 {
794         switch (n) {
795         case 8:  return ((__s8)value);
796         case 16: return ((__s16)value);
797         case 32: return ((__s32)value);
798         }
799         return value & (1 << (n - 1)) ? value | (-1 << n) : value;
800 }
801
802 /*
803  * Convert a signed 32-bit integer to a signed n-bit integer.
804  */
805
806 static u32 s32ton(__s32 value, unsigned n)
807 {
808         s32 a = value >> (n - 1);
809         if (a && a != -1)
810                 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
811         return value & ((1 << n) - 1);
812 }
813
814 /*
815  * Extract/implement a data field from/to a little endian report (bit array).
816  *
817  * Code sort-of follows HID spec:
818  *     http://www.usb.org/developers/devclass_docs/HID1_11.pdf
819  *
820  * While the USB HID spec allows unlimited length bit fields in "report
821  * descriptors", most devices never use more than 16 bits.
822  * One model of UPS is claimed to report "LINEV" as a 32-bit field.
823  * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
824  */
825
826 static __u32 extract(const struct hid_device *hid, __u8 *report,
827                      unsigned offset, unsigned n)
828 {
829         u64 x;
830
831         if (n > 32)
832                 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
833                          n, current->comm);
834
835         report += offset >> 3;  /* adjust byte index */
836         offset &= 7;            /* now only need bit offset into one byte */
837         x = get_unaligned_le64(report);
838         x = (x >> offset) & ((1ULL << n) - 1);  /* extract bit field */
839         return (u32) x;
840 }
841
842 /*
843  * "implement" : set bits in a little endian bit stream.
844  * Same concepts as "extract" (see comments above).
845  * The data mangled in the bit stream remains in little endian
846  * order the whole time. It make more sense to talk about
847  * endianness of register values by considering a register
848  * a "cached" copy of the little endiad bit stream.
849  */
850 static void implement(const struct hid_device *hid, __u8 *report,
851                       unsigned offset, unsigned n, __u32 value)
852 {
853         u64 x;
854         u64 m = (1ULL << n) - 1;
855
856         if (n > 32)
857                 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
858                          __func__, n, current->comm);
859
860         if (value > m)
861                 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
862                          __func__, value, current->comm);
863         WARN_ON(value > m);
864         value &= m;
865
866         report += offset >> 3;
867         offset &= 7;
868
869         x = get_unaligned_le64(report);
870         x &= ~(m << offset);
871         x |= ((u64)value) << offset;
872         put_unaligned_le64(x, report);
873 }
874
875 /*
876  * Search an array for a value.
877  */
878
879 static int search(__s32 *array, __s32 value, unsigned n)
880 {
881         while (n--) {
882                 if (*array++ == value)
883                         return 0;
884         }
885         return -1;
886 }
887
888 /**
889  * hid_match_report - check if driver's raw_event should be called
890  *
891  * @hid: hid device
892  * @report_type: type to match against
893  *
894  * compare hid->driver->report_table->report_type to report->type
895  */
896 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
897 {
898         const struct hid_report_id *id = hid->driver->report_table;
899
900         if (!id) /* NULL means all */
901                 return 1;
902
903         for (; id->report_type != HID_TERMINATOR; id++)
904                 if (id->report_type == HID_ANY_ID ||
905                                 id->report_type == report->type)
906                         return 1;
907         return 0;
908 }
909
910 /**
911  * hid_match_usage - check if driver's event should be called
912  *
913  * @hid: hid device
914  * @usage: usage to match against
915  *
916  * compare hid->driver->usage_table->usage_{type,code} to
917  * usage->usage_{type,code}
918  */
919 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
920 {
921         const struct hid_usage_id *id = hid->driver->usage_table;
922
923         if (!id) /* NULL means all */
924                 return 1;
925
926         for (; id->usage_type != HID_ANY_ID - 1; id++)
927                 if ((id->usage_hid == HID_ANY_ID ||
928                                 id->usage_hid == usage->hid) &&
929                                 (id->usage_type == HID_ANY_ID ||
930                                 id->usage_type == usage->type) &&
931                                 (id->usage_code == HID_ANY_ID ||
932                                  id->usage_code == usage->code))
933                         return 1;
934         return 0;
935 }
936
937 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
938                 struct hid_usage *usage, __s32 value, int interrupt)
939 {
940         struct hid_driver *hdrv = hid->driver;
941         int ret;
942
943         hid_dump_input(hid, usage, value);
944
945         if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
946                 ret = hdrv->event(hid, field, usage, value);
947                 if (ret != 0) {
948                         if (ret < 0)
949                                 dbg_hid("%s's event failed with %d\n",
950                                                 hdrv->name, ret);
951                         return;
952                 }
953         }
954
955         if (hid->claimed & HID_CLAIMED_INPUT)
956                 hidinput_hid_event(hid, field, usage, value);
957         if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
958                 hid->hiddev_hid_event(hid, field, usage, value);
959 }
960
961 /*
962  * Analyse a received field, and fetch the data from it. The field
963  * content is stored for next report processing (we do differential
964  * reporting to the layer).
965  */
966
967 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
968                             __u8 *data, int interrupt)
969 {
970         unsigned n;
971         unsigned count = field->report_count;
972         unsigned offset = field->report_offset;
973         unsigned size = field->report_size;
974         __s32 min = field->logical_minimum;
975         __s32 max = field->logical_maximum;
976         __s32 *value;
977
978         value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
979         if (!value)
980                 return;
981
982         for (n = 0; n < count; n++) {
983
984                 value[n] = min < 0 ?
985                         snto32(extract(hid, data, offset + n * size, size),
986                                size) :
987                         extract(hid, data, offset + n * size, size);
988
989                 /* Ignore report if ErrorRollOver */
990                 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
991                     value[n] >= min && value[n] <= max &&
992                     value[n] - min < field->maxusage &&
993                     field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
994                         goto exit;
995         }
996
997         for (n = 0; n < count; n++) {
998
999                 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1000                         hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1001                         continue;
1002                 }
1003
1004                 if (field->value[n] >= min && field->value[n] <= max
1005                         && field->value[n] - min < field->maxusage
1006                         && field->usage[field->value[n] - min].hid
1007                         && search(value, field->value[n], count))
1008                                 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1009
1010                 if (value[n] >= min && value[n] <= max
1011                         && value[n] - min < field->maxusage
1012                         && field->usage[value[n] - min].hid
1013                         && search(field->value, value[n], count))
1014                                 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1015         }
1016
1017         memcpy(field->value, value, count * sizeof(__s32));
1018 exit:
1019         kfree(value);
1020 }
1021
1022 /*
1023  * Output the field into the report.
1024  */
1025
1026 static void hid_output_field(const struct hid_device *hid,
1027                              struct hid_field *field, __u8 *data)
1028 {
1029         unsigned count = field->report_count;
1030         unsigned offset = field->report_offset;
1031         unsigned size = field->report_size;
1032         unsigned n;
1033
1034         for (n = 0; n < count; n++) {
1035                 if (field->logical_minimum < 0) /* signed values */
1036                         implement(hid, data, offset + n * size, size,
1037                                   s32ton(field->value[n], size));
1038                 else                            /* unsigned values */
1039                         implement(hid, data, offset + n * size, size,
1040                                   field->value[n]);
1041         }
1042 }
1043
1044 /*
1045  * Create a report.
1046  */
1047
1048 void hid_output_report(struct hid_report *report, __u8 *data)
1049 {
1050         unsigned n;
1051
1052         if (report->id > 0)
1053                 *data++ = report->id;
1054
1055         memset(data, 0, ((report->size - 1) >> 3) + 1);
1056         for (n = 0; n < report->maxfield; n++)
1057                 hid_output_field(report->device, report->field[n], data);
1058 }
1059 EXPORT_SYMBOL_GPL(hid_output_report);
1060
1061 /*
1062  * Set a field value. The report this field belongs to has to be
1063  * created and transferred to the device, to set this value in the
1064  * device.
1065  */
1066
1067 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1068 {
1069         unsigned size;
1070
1071         if (!field)
1072                 return -1;
1073
1074         size = field->report_size;
1075
1076         hid_dump_input(field->report->device, field->usage + offset, value);
1077
1078         if (offset >= field->report_count) {
1079                 dbg_hid("offset (%d) exceeds report_count (%d)\n", offset, field->report_count);
1080                 return -1;
1081         }
1082         if (field->logical_minimum < 0) {
1083                 if (value != snto32(s32ton(value, size), size)) {
1084                         dbg_hid("value %d is out of range\n", value);
1085                         return -1;
1086                 }
1087         }
1088         field->value[offset] = value;
1089         return 0;
1090 }
1091 EXPORT_SYMBOL_GPL(hid_set_field);
1092
1093 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1094                 const u8 *data)
1095 {
1096         struct hid_report *report;
1097         unsigned int n = 0;     /* Normally report number is 0 */
1098
1099         /* Device uses numbered reports, data[0] is report number */
1100         if (report_enum->numbered)
1101                 n = *data;
1102
1103         report = report_enum->report_id_hash[n];
1104         if (report == NULL)
1105                 dbg_hid("undefined report_id %u received\n", n);
1106
1107         return report;
1108 }
1109
1110 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1111                 int interrupt)
1112 {
1113         struct hid_report_enum *report_enum = hid->report_enum + type;
1114         struct hid_report *report;
1115         unsigned int a;
1116         int rsize, csize = size;
1117         u8 *cdata = data;
1118         int ret = 0;
1119
1120         report = hid_get_report(report_enum, data);
1121         if (!report)
1122                 goto out;
1123
1124         if (report_enum->numbered) {
1125                 cdata++;
1126                 csize--;
1127         }
1128
1129         rsize = ((report->size - 1) >> 3) + 1;
1130
1131         if (rsize > HID_MAX_BUFFER_SIZE)
1132                 rsize = HID_MAX_BUFFER_SIZE;
1133
1134         if (csize < rsize) {
1135                 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1136                                 csize, rsize);
1137                 memset(cdata + csize, 0, rsize - csize);
1138         }
1139
1140         if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1141                 hid->hiddev_report_event(hid, report);
1142         if (hid->claimed & HID_CLAIMED_HIDRAW) {
1143                 ret = hidraw_report_event(hid, data, size);
1144                 if (ret)
1145                         goto out;
1146         }
1147
1148         for (a = 0; a < report->maxfield; a++)
1149                 hid_input_field(hid, report->field[a], cdata, interrupt);
1150
1151         if (hid->claimed & HID_CLAIMED_INPUT)
1152                 hidinput_report_event(hid, report);
1153 out:
1154         return ret;
1155 }
1156 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1157
1158 /**
1159  * hid_input_report - report data from lower layer (usb, bt...)
1160  *
1161  * @hid: hid device
1162  * @type: HID report type (HID_*_REPORT)
1163  * @data: report contents
1164  * @size: size of data parameter
1165  * @interrupt: distinguish between interrupt and control transfers
1166  *
1167  * This is data entry for lower layers.
1168  */
1169 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1170 {
1171         struct hid_report_enum *report_enum;
1172         struct hid_driver *hdrv;
1173         struct hid_report *report;
1174         char *buf;
1175         unsigned int i;
1176         int ret = 0;
1177
1178         if (!hid)
1179                 return -ENODEV;
1180
1181         if (down_trylock(&hid->driver_lock))
1182                 return -EBUSY;
1183
1184         if (!hid->driver) {
1185                 ret = -ENODEV;
1186                 goto unlock;
1187         }
1188         report_enum = hid->report_enum + type;
1189         hdrv = hid->driver;
1190
1191         if (!size) {
1192                 dbg_hid("empty report\n");
1193                 ret = -1;
1194                 goto unlock;
1195         }
1196
1197         buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1198
1199         if (!buf)
1200                 goto nomem;
1201
1202         /* dump the report */
1203         snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1204                         "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1205         hid_debug_event(hid, buf);
1206
1207         for (i = 0; i < size; i++) {
1208                 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1209                                 " %02x", data[i]);
1210                 hid_debug_event(hid, buf);
1211         }
1212         hid_debug_event(hid, "\n");
1213         kfree(buf);
1214
1215 nomem:
1216         report = hid_get_report(report_enum, data);
1217
1218         if (!report) {
1219                 ret = -1;
1220                 goto unlock;
1221         }
1222
1223         if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1224                 ret = hdrv->raw_event(hid, report, data, size);
1225                 if (ret != 0) {
1226                         ret = ret < 0 ? ret : 0;
1227                         goto unlock;
1228                 }
1229         }
1230
1231         ret = hid_report_raw_event(hid, type, data, size, interrupt);
1232
1233 unlock:
1234         up(&hid->driver_lock);
1235         return ret;
1236 }
1237 EXPORT_SYMBOL_GPL(hid_input_report);
1238
1239 static bool hid_match_one_id(struct hid_device *hdev,
1240                 const struct hid_device_id *id)
1241 {
1242         return id->bus == hdev->bus &&
1243                 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1244                 (id->product == HID_ANY_ID || id->product == hdev->product);
1245 }
1246
1247 static const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1248                 const struct hid_device_id *id)
1249 {
1250         for (; id->bus; id++)
1251                 if (hid_match_one_id(hdev, id))
1252                         return id;
1253
1254         return NULL;
1255 }
1256
1257 static const struct hid_device_id hid_hiddev_list[] = {
1258         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1259         { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1260         { }
1261 };
1262
1263 static bool hid_hiddev(struct hid_device *hdev)
1264 {
1265         return !!hid_match_id(hdev, hid_hiddev_list);
1266 }
1267
1268
1269 static ssize_t
1270 read_report_descriptor(struct file *filp, struct kobject *kobj,
1271                 struct bin_attribute *attr,
1272                 char *buf, loff_t off, size_t count)
1273 {
1274         struct device *dev = container_of(kobj, struct device, kobj);
1275         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1276
1277         if (off >= hdev->rsize)
1278                 return 0;
1279
1280         if (off + count > hdev->rsize)
1281                 count = hdev->rsize - off;
1282
1283         memcpy(buf, hdev->rdesc + off, count);
1284
1285         return count;
1286 }
1287
1288 static struct bin_attribute dev_bin_attr_report_desc = {
1289         .attr = { .name = "report_descriptor", .mode = 0444 },
1290         .read = read_report_descriptor,
1291         .size = HID_MAX_DESCRIPTOR_SIZE,
1292 };
1293
1294 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1295 {
1296         static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1297                 "Joystick", "Gamepad", "Keyboard", "Keypad",
1298                 "Multi-Axis Controller"
1299         };
1300         const char *type, *bus;
1301         char buf[64] = "";
1302         unsigned int i;
1303         int len;
1304         int ret;
1305
1306         if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1307                 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1308         if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1309                 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1310         if (hdev->bus != BUS_USB)
1311                 connect_mask &= ~HID_CONNECT_HIDDEV;
1312         if (hid_hiddev(hdev))
1313                 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1314
1315         if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1316                                 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1317                 hdev->claimed |= HID_CLAIMED_INPUT;
1318         if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1319                 /* this device should be handled by hid-multitouch, skip it */
1320                 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
1321                 return -ENODEV;
1322         }
1323
1324         if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1325                         !hdev->hiddev_connect(hdev,
1326                                 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1327                 hdev->claimed |= HID_CLAIMED_HIDDEV;
1328         if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1329                 hdev->claimed |= HID_CLAIMED_HIDRAW;
1330
1331         if (!hdev->claimed) {
1332                 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1333                 return -ENODEV;
1334         }
1335
1336         if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1337                         (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1338                 hdev->ff_init(hdev);
1339
1340         len = 0;
1341         if (hdev->claimed & HID_CLAIMED_INPUT)
1342                 len += sprintf(buf + len, "input");
1343         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1344                 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1345                                 hdev->minor);
1346         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1347                 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1348                                 ((struct hidraw *)hdev->hidraw)->minor);
1349
1350         type = "Device";
1351         for (i = 0; i < hdev->maxcollection; i++) {
1352                 struct hid_collection *col = &hdev->collection[i];
1353                 if (col->type == HID_COLLECTION_APPLICATION &&
1354                    (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1355                    (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1356                         type = types[col->usage & 0xffff];
1357                         break;
1358                 }
1359         }
1360
1361         switch (hdev->bus) {
1362         case BUS_USB:
1363                 bus = "USB";
1364                 break;
1365         case BUS_BLUETOOTH:
1366                 bus = "BLUETOOTH";
1367                 break;
1368         default:
1369                 bus = "<UNKNOWN>";
1370         }
1371
1372         ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1373         if (ret)
1374                 hid_warn(hdev,
1375                          "can't create sysfs report descriptor attribute err: %d\n", ret);
1376
1377         hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1378                  buf, bus, hdev->version >> 8, hdev->version & 0xff,
1379                  type, hdev->name, hdev->phys);
1380
1381         return 0;
1382 }
1383 EXPORT_SYMBOL_GPL(hid_connect);
1384
1385 void hid_disconnect(struct hid_device *hdev)
1386 {
1387         device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1388         if (hdev->claimed & HID_CLAIMED_INPUT)
1389                 hidinput_disconnect(hdev);
1390         if (hdev->claimed & HID_CLAIMED_HIDDEV)
1391                 hdev->hiddev_disconnect(hdev);
1392         if (hdev->claimed & HID_CLAIMED_HIDRAW)
1393                 hidraw_disconnect(hdev);
1394 }
1395 EXPORT_SYMBOL_GPL(hid_disconnect);
1396
1397 /* a list of devices for which there is a specialized driver on HID bus */
1398 static const struct hid_device_id hid_have_special_driver[] = {
1399         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1400         { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1401         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1402         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1403         { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1404         { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1405         { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1406         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1407         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1408         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1409         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1410         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1411         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1412         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1413         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1414         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1415         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1416         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1417         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1418         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1419         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1420         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1421         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1422         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1423         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1424         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1425         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1426         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1427         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1428         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1429         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1430         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1431         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1432         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1433         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1434         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1435         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1436         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1437         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1438         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1439         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1440         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1441         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1442         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1443         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1444         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1445         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1446         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1447         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1448         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1449         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1450         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1451         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1452         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1453         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1454         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1455         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1456         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1457         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1458         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1459         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1460         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1461         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1462         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1463         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1464         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1465         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1466         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1467         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1468         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1469         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1470         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1471         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1472         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1473         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1474         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1475         { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1476         { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1477         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1478         { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1479         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1480         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1481         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1482         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1483         { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1484         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1485         { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1486         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1487         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1488         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1489         { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1490         { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1491         { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1492         { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1493         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1494         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1495         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1496         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1497         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1498         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1499         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1500         { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1501         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1502         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1503         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1504         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1505         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1506         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1507         { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1508         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1509         { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1510         { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1511         { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1512         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1513         { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1514         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1515         { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1516         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1517         { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1518         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1519         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1520         { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1521         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1522         { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1523         { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1524         { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1525         { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1526         { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1527         { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1528         { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1529         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1530         { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1531         { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1532         { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1533         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1534         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1535         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1536         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1537         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1538         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1539         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1540         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1541         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1542         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1543         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1544         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1545         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1546         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1547         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1548         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1549         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1550         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1551         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1552         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1553         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1554         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1555         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1556         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1557         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1558         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1559         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1560         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1561         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1562         { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1563         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1564         { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1565         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1566         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1567         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1568         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1569         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1570         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1571         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1572         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1573         { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1574         { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1575         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1576         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1577         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1578         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1579         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1580         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1581         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1582         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1583         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1584         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1585         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1586         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1587         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1588         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1589         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1590         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1591         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1592         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1593         { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1594         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1595         { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1596         { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1597         { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1598         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1599         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1600         { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1601         { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1602         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1603         { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1604         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1605         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1606         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1607         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1608         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1609         { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1610         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1611         { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1612         { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1613         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1614         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1615         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1616         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1617         { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1618         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1619         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1620         { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1621         { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1622         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1623         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1624         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1625         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1626         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1627         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1628         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1629         { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1630         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1631         { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1632         { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1633         { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1634         { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1635         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1636         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1637         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1638         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1639         { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1640         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1641         { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1642         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1643         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1644         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1645         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1646         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1647         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1648         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1649         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1650         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1651         { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1652         { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1653         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1654         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1655         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1656         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1657         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1658         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1659         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1660         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1661         { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1662         { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1663         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1664         { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1665         { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1666
1667         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1668         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1669         { }
1670 };
1671
1672 struct hid_dynid {
1673         struct list_head list;
1674         struct hid_device_id id;
1675 };
1676
1677 /**
1678  * store_new_id - add a new HID device ID to this driver and re-probe devices
1679  * @driver: target device driver
1680  * @buf: buffer for scanning device ID data
1681  * @count: input size
1682  *
1683  * Adds a new dynamic hid device ID to this driver,
1684  * and causes the driver to probe for all devices again.
1685  */
1686 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1687                 size_t count)
1688 {
1689         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1690         struct hid_dynid *dynid;
1691         __u32 bus, vendor, product;
1692         unsigned long driver_data = 0;
1693         int ret;
1694
1695         ret = sscanf(buf, "%x %x %x %lx",
1696                         &bus, &vendor, &product, &driver_data);
1697         if (ret < 3)
1698                 return -EINVAL;
1699
1700         dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1701         if (!dynid)
1702                 return -ENOMEM;
1703
1704         dynid->id.bus = bus;
1705         dynid->id.vendor = vendor;
1706         dynid->id.product = product;
1707         dynid->id.driver_data = driver_data;
1708
1709         spin_lock(&hdrv->dyn_lock);
1710         list_add_tail(&dynid->list, &hdrv->dyn_list);
1711         spin_unlock(&hdrv->dyn_lock);
1712
1713         ret = 0;
1714         if (get_driver(&hdrv->driver)) {
1715                 ret = driver_attach(&hdrv->driver);
1716                 put_driver(&hdrv->driver);
1717         }
1718
1719         return ret ? : count;
1720 }
1721 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1722
1723 static void hid_free_dynids(struct hid_driver *hdrv)
1724 {
1725         struct hid_dynid *dynid, *n;
1726
1727         spin_lock(&hdrv->dyn_lock);
1728         list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1729                 list_del(&dynid->list);
1730                 kfree(dynid);
1731         }
1732         spin_unlock(&hdrv->dyn_lock);
1733 }
1734
1735 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1736                 struct hid_driver *hdrv)
1737 {
1738         struct hid_dynid *dynid;
1739
1740         spin_lock(&hdrv->dyn_lock);
1741         list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1742                 if (hid_match_one_id(hdev, &dynid->id)) {
1743                         spin_unlock(&hdrv->dyn_lock);
1744                         return &dynid->id;
1745                 }
1746         }
1747         spin_unlock(&hdrv->dyn_lock);
1748
1749         return hid_match_id(hdev, hdrv->id_table);
1750 }
1751
1752 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1753 {
1754         struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1755         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1756
1757         if (!hid_match_device(hdev, hdrv))
1758                 return 0;
1759
1760         /* generic wants all that don't have specialized driver */
1761         if (!strncmp(hdrv->name, "generic-", 8))
1762                 return !hid_match_id(hdev, hid_have_special_driver);
1763
1764         return 1;
1765 }
1766
1767 static int hid_device_probe(struct device *dev)
1768 {
1769         struct hid_driver *hdrv = container_of(dev->driver,
1770                         struct hid_driver, driver);
1771         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1772         const struct hid_device_id *id;
1773         int ret = 0;
1774
1775         if (down_interruptible(&hdev->driver_lock))
1776                 return -EINTR;
1777
1778         if (!hdev->driver) {
1779                 id = hid_match_device(hdev, hdrv);
1780                 if (id == NULL) {
1781                         ret = -ENODEV;
1782                         goto unlock;
1783                 }
1784
1785                 hdev->driver = hdrv;
1786                 if (hdrv->probe) {
1787                         ret = hdrv->probe(hdev, id);
1788                 } else { /* default probe */
1789                         ret = hid_parse(hdev);
1790                         if (!ret)
1791                                 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1792                 }
1793                 if (ret)
1794                         hdev->driver = NULL;
1795         }
1796 unlock:
1797         up(&hdev->driver_lock);
1798         return ret;
1799 }
1800
1801 static int hid_device_remove(struct device *dev)
1802 {
1803         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1804         struct hid_driver *hdrv;
1805
1806         if (down_interruptible(&hdev->driver_lock))
1807                 return -EINTR;
1808
1809         hdrv = hdev->driver;
1810         if (hdrv) {
1811                 if (hdrv->remove)
1812                         hdrv->remove(hdev);
1813                 else /* default remove */
1814                         hid_hw_stop(hdev);
1815                 hdev->driver = NULL;
1816         }
1817
1818         up(&hdev->driver_lock);
1819         return 0;
1820 }
1821
1822 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1823 {
1824         struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1825
1826         if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1827                         hdev->bus, hdev->vendor, hdev->product))
1828                 return -ENOMEM;
1829
1830         if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1831                 return -ENOMEM;
1832
1833         if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1834                 return -ENOMEM;
1835
1836         if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1837                 return -ENOMEM;
1838
1839         if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1840                         hdev->bus, hdev->vendor, hdev->product))
1841                 return -ENOMEM;
1842
1843         return 0;
1844 }
1845
1846 static struct bus_type hid_bus_type = {
1847         .name           = "hid",
1848         .match          = hid_bus_match,
1849         .probe          = hid_device_probe,
1850         .remove         = hid_device_remove,
1851         .uevent         = hid_uevent,
1852 };
1853
1854 /* a list of devices that shouldn't be handled by HID core at all */
1855 static const struct hid_device_id hid_ignore_list[] = {
1856         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1857         { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1858         { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1859         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1860         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1861         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1862         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1863         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1864         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1865         { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1866         { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1867         { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1868         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1869         { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1870         { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1871         { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1872         { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1873         { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1874         { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1875         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1876         { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1877         { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1878         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1879         { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1880         { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1881         { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1882         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1883         { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1884         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1885         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1886         { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1887         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1888         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1889         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1890         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1891         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1892         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1893         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1894         { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1895         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1896         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1897         { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1898         { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1899         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1900         { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1901         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1902         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1903         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1904         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1905         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1906         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1907         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1908         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1909         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1910         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1911         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1912         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1913         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1914         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1915         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1916         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1917         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1918         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1919         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1920         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1921         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1922         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1923         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1924         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1925         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1926         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1927         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1928         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1929         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1930         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1931         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1932         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1933         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1934         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1935         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1936         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1937         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1938         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1939         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1940         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1941         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1942         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1943         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1944         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1945         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1946         { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1947         { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1948         { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1949         { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1950         { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1951         { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1952         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1953         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1954         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1955         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1956         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1957         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1958         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1959         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1960         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1961         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1962         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1963         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1964         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1965         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1966         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1967         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1968         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1969         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1970         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1971         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1972         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1973         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1974         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1975         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1976         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1977         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1978         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1979         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1980         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1981         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1982         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1983         { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1984         { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
1985         { HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
1986         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1987         { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1988         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1989         { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1990         { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1991         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1992         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1993         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1994         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1995         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1996         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1997         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1998         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1999         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2000         { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2001         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2002         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2003         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2004         { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2005         { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2006         { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2007         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2008         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2009         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2010         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2011         { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2012         { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2013         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2014         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2015         { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2016         { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2017         { }
2018 };
2019
2020 /**
2021  * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2022  *
2023  * There are composite devices for which we want to ignore only a certain
2024  * interface. This is a list of devices for which only the mouse interface will
2025  * be ignored. This allows a dedicated driver to take care of the interface.
2026  */
2027 static const struct hid_device_id hid_mouse_ignore_list[] = {
2028         /* appletouch driver */
2029         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2030         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2031         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2032         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2033         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2034         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2035         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2036         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2037         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2038         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2039         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2040         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2041         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2042         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2043         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2044         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2045         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2046         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2047         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2048         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2049         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2050         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2051         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2052         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2053         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2054         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2055         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2056         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2057         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2058         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2059         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2060         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2061         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2062         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2063         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2064         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2065         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2066         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2067         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2068         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2069         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2070         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2071         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2072         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2073         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2074         { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2075         { }
2076 };
2077
2078 static bool hid_ignore(struct hid_device *hdev)
2079 {
2080         switch (hdev->vendor) {
2081         case USB_VENDOR_ID_CODEMERCS:
2082                 /* ignore all Code Mercenaries IOWarrior devices */
2083                 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2084                                 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2085                         return true;
2086                 break;
2087         case USB_VENDOR_ID_LOGITECH:
2088                 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2089                                 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2090                         return true;
2091                 break;
2092         case USB_VENDOR_ID_SOUNDGRAPH:
2093                 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2094                     hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2095                         return true;
2096                 break;
2097         case USB_VENDOR_ID_HANWANG:
2098                 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2099                     hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2100                         return true;
2101                 break;
2102         case USB_VENDOR_ID_JESS:
2103                 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2104                                 hdev->type == HID_TYPE_USBNONE)
2105                         return true;
2106         break;
2107         }
2108
2109         if (hdev->type == HID_TYPE_USBMOUSE &&
2110                         hid_match_id(hdev, hid_mouse_ignore_list))
2111                 return true;
2112
2113         return !!hid_match_id(hdev, hid_ignore_list);
2114 }
2115
2116 int hid_add_device(struct hid_device *hdev)
2117 {
2118         static atomic_t id = ATOMIC_INIT(0);
2119         int ret;
2120
2121         if (WARN_ON(hdev->status & HID_STAT_ADDED))
2122                 return -EBUSY;
2123
2124         /* we need to kill them here, otherwise they will stay allocated to
2125          * wait for coming driver */
2126         if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2127             && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2128                 return -ENODEV;
2129
2130         /* XXX hack, any other cleaner solution after the driver core
2131          * is converted to allow more than 20 bytes as the device name? */
2132         dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2133                      hdev->vendor, hdev->product, atomic_inc_return(&id));
2134
2135         hid_debug_register(hdev, dev_name(&hdev->dev));
2136         ret = device_add(&hdev->dev);
2137         if (!ret)
2138                 hdev->status |= HID_STAT_ADDED;
2139         else
2140                 hid_debug_unregister(hdev);
2141
2142         return ret;
2143 }
2144 EXPORT_SYMBOL_GPL(hid_add_device);
2145
2146 /**
2147  * hid_allocate_device - allocate new hid device descriptor
2148  *
2149  * Allocate and initialize hid device, so that hid_destroy_device might be
2150  * used to free it.
2151  *
2152  * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2153  * error value.
2154  */
2155 struct hid_device *hid_allocate_device(void)
2156 {
2157         struct hid_device *hdev;
2158         unsigned int i;
2159         int ret = -ENOMEM;
2160
2161         hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2162         if (hdev == NULL)
2163                 return ERR_PTR(ret);
2164
2165         device_initialize(&hdev->dev);
2166         hdev->dev.release = hid_device_release;
2167         hdev->dev.bus = &hid_bus_type;
2168
2169         hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2170                         sizeof(struct hid_collection), GFP_KERNEL);
2171         if (hdev->collection == NULL)
2172                 goto err;
2173         hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2174
2175         for (i = 0; i < HID_REPORT_TYPES; i++)
2176                 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2177
2178         init_waitqueue_head(&hdev->debug_wait);
2179         INIT_LIST_HEAD(&hdev->debug_list);
2180         sema_init(&hdev->driver_lock, 1);
2181
2182         return hdev;
2183 err:
2184         put_device(&hdev->dev);
2185         return ERR_PTR(ret);
2186 }
2187 EXPORT_SYMBOL_GPL(hid_allocate_device);
2188
2189 static void hid_remove_device(struct hid_device *hdev)
2190 {
2191         if (hdev->status & HID_STAT_ADDED) {
2192                 device_del(&hdev->dev);
2193                 hid_debug_unregister(hdev);
2194                 hdev->status &= ~HID_STAT_ADDED;
2195         }
2196 }
2197
2198 /**
2199  * hid_destroy_device - free previously allocated device
2200  *
2201  * @hdev: hid device
2202  *
2203  * If you allocate hid_device through hid_allocate_device, you should ever
2204  * free by this function.
2205  */
2206 void hid_destroy_device(struct hid_device *hdev)
2207 {
2208         hid_remove_device(hdev);
2209         put_device(&hdev->dev);
2210 }
2211 EXPORT_SYMBOL_GPL(hid_destroy_device);
2212
2213 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2214                 const char *mod_name)
2215 {
2216         int ret;
2217
2218         hdrv->driver.name = hdrv->name;
2219         hdrv->driver.bus = &hid_bus_type;
2220         hdrv->driver.owner = owner;
2221         hdrv->driver.mod_name = mod_name;
2222
2223         INIT_LIST_HEAD(&hdrv->dyn_list);
2224         spin_lock_init(&hdrv->dyn_lock);
2225
2226         ret = driver_register(&hdrv->driver);
2227         if (ret)
2228                 return ret;
2229
2230         ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2231         if (ret)
2232                 driver_unregister(&hdrv->driver);
2233
2234         return ret;
2235 }
2236 EXPORT_SYMBOL_GPL(__hid_register_driver);
2237
2238 void hid_unregister_driver(struct hid_driver *hdrv)
2239 {
2240         driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2241         driver_unregister(&hdrv->driver);
2242         hid_free_dynids(hdrv);
2243 }
2244 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2245
2246 int hid_check_keys_pressed(struct hid_device *hid)
2247 {
2248         struct hid_input *hidinput;
2249         int i;
2250
2251         if (!(hid->claimed & HID_CLAIMED_INPUT))
2252                 return 0;
2253
2254         list_for_each_entry(hidinput, &hid->inputs, list) {
2255                 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2256                         if (hidinput->input->key[i])
2257                                 return 1;
2258         }
2259
2260         return 0;
2261 }
2262
2263 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2264
2265 static int __init hid_init(void)
2266 {
2267         int ret;
2268
2269         if (hid_debug)
2270                 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2271                         "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2272
2273         ret = bus_register(&hid_bus_type);
2274         if (ret) {
2275                 pr_err("can't register hid bus\n");
2276                 goto err;
2277         }
2278
2279         ret = hidraw_init();
2280         if (ret)
2281                 goto err_bus;
2282
2283         hid_debug_init();
2284
2285         return 0;
2286 err_bus:
2287         bus_unregister(&hid_bus_type);
2288 err:
2289         return ret;
2290 }
2291
2292 static void __exit hid_exit(void)
2293 {
2294         hid_debug_exit();
2295         hidraw_exit();
2296         bus_unregister(&hid_bus_type);
2297 }
2298
2299 module_init(hid_init);
2300 module_exit(hid_exit);
2301
2302 MODULE_AUTHOR("Andreas Gal");
2303 MODULE_AUTHOR("Vojtech Pavlik");
2304 MODULE_AUTHOR("Jiri Kosina");
2305 MODULE_LICENSE(DRIVER_LICENSE);
2306