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OMAPDSS: VENC: fix NULL pointer dereference in DSS2 VENC sysfs debug attr on OMAP4
[zen-stable.git] / drivers / hid / hid-core.c
blob75dbe344cabeb745e9d34783ab5ffcfb63e7ea3b
1 /*
2 * HID support for Linux
3 *
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2010 Jiri Kosina
8 */
9
10 /*
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
14 * any later version.
15 */
16
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
19 #include <linux/module.h>
20 #include <linux/slab.h>
21 #include <linux/init.h>
22 #include <linux/kernel.h>
23 #include <linux/list.h>
24 #include <linux/mm.h>
25 #include <linux/spinlock.h>
26 #include <asm/unaligned.h>
27 #include <asm/byteorder.h>
28 #include <linux/input.h>
29 #include <linux/wait.h>
30 #include <linux/vmalloc.h>
31 #include <linux/sched.h>
32 #include <linux/semaphore.h>
33
34 #include <linux/hid.h>
35 #include <linux/hiddev.h>
36 #include <linux/hid-debug.h>
37 #include <linux/hidraw.h>
38
39 #include "hid-ids.h"
40
41 /*
42 * Version Information
43 */
44
45 #define DRIVER_DESC "HID core driver"
46 #define DRIVER_LICENSE "GPL"
47
48 int hid_debug = 0;
49 module_param_named(debug, hid_debug, int, 0600);
50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51 EXPORT_SYMBOL_GPL(hid_debug);
52
53 /*
54 * Register a new report for a device.
55 */
56
57 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
58 {
59 struct hid_report_enum *report_enum = device->report_enum + type;
60 struct hid_report *report;
61
62 if (report_enum->report_id_hash[id])
63 return report_enum->report_id_hash[id];
64
65 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
66 if (!report)
67 return NULL;
68
69 if (id != 0)
70 report_enum->numbered = 1;
71
72 report->id = id;
73 report->type = type;
74 report->size = 0;
75 report->device = device;
76 report_enum->report_id_hash[id] = report;
77
78 list_add_tail(&report->list, &report_enum->report_list);
79
80 return report;
81 }
82 EXPORT_SYMBOL_GPL(hid_register_report);
83
84 /*
85 * Register a new field for this report.
86 */
87
88 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
89 {
90 struct hid_field *field;
91
92 if (report->maxfield == HID_MAX_FIELDS) {
93 hid_err(report->device, "too many fields in report\n");
94 return NULL;
95 }
96
97 field = kzalloc((sizeof(struct hid_field) +
98 usages * sizeof(struct hid_usage) +
99 values * sizeof(unsigned)), GFP_KERNEL);
100 if (!field)
101 return NULL;
102
103 field->index = report->maxfield++;
104 report->field[field->index] = field;
105 field->usage = (struct hid_usage *)(field + 1);
106 field->value = (s32 *)(field->usage + usages);
107 field->report = report;
108
109 return field;
110 }
111
112 /*
113 * Open a collection. The type/usage is pushed on the stack.
114 */
115
116 static int open_collection(struct hid_parser *parser, unsigned type)
117 {
118 struct hid_collection *collection;
119 unsigned usage;
120
121 usage = parser->local.usage[0];
122
123 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
124 hid_err(parser->device, "collection stack overflow\n");
125 return -1;
126 }
127
128 if (parser->device->maxcollection == parser->device->collection_size) {
129 collection = kmalloc(sizeof(struct hid_collection) *
130 parser->device->collection_size * 2, GFP_KERNEL);
131 if (collection == NULL) {
132 hid_err(parser->device, "failed to reallocate collection array\n");
133 return -1;
134 }
135 memcpy(collection, parser->device->collection,
136 sizeof(struct hid_collection) *
137 parser->device->collection_size);
138 memset(collection + parser->device->collection_size, 0,
139 sizeof(struct hid_collection) *
140 parser->device->collection_size);
141 kfree(parser->device->collection);
142 parser->device->collection = collection;
143 parser->device->collection_size *= 2;
144 }
145
146 parser->collection_stack[parser->collection_stack_ptr++] =
147 parser->device->maxcollection;
148
149 collection = parser->device->collection +
150 parser->device->maxcollection++;
151 collection->type = type;
152 collection->usage = usage;
153 collection->level = parser->collection_stack_ptr - 1;
154
155 if (type == HID_COLLECTION_APPLICATION)
156 parser->device->maxapplication++;
157
158 return 0;
159 }
160
161 /*
162 * Close a collection.
163 */
164
165 static int close_collection(struct hid_parser *parser)
166 {
167 if (!parser->collection_stack_ptr) {
168 hid_err(parser->device, "collection stack underflow\n");
169 return -1;
170 }
171 parser->collection_stack_ptr--;
172 return 0;
173 }
174
175 /*
176 * Climb up the stack, search for the specified collection type
177 * and return the usage.
178 */
179
180 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
181 {
182 struct hid_collection *collection = parser->device->collection;
183 int n;
184
185 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
186 unsigned index = parser->collection_stack[n];
187 if (collection[index].type == type)
188 return collection[index].usage;
189 }
190 return 0; /* we know nothing about this usage type */
191 }
192
193 /*
194 * Add a usage to the temporary parser table.
195 */
196
197 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
198 {
199 if (parser->local.usage_index >= HID_MAX_USAGES) {
200 hid_err(parser->device, "usage index exceeded\n");
201 return -1;
202 }
203 parser->local.usage[parser->local.usage_index] = usage;
204 parser->local.collection_index[parser->local.usage_index] =
205 parser->collection_stack_ptr ?
206 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
207 parser->local.usage_index++;
208 return 0;
209 }
210
211 /*
212 * Register a new field for this report.
213 */
214
215 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
216 {
217 struct hid_report *report;
218 struct hid_field *field;
219 int usages;
220 unsigned offset;
221 int i;
222
223 report = hid_register_report(parser->device, report_type, parser->global.report_id);
224 if (!report) {
225 hid_err(parser->device, "hid_register_report failed\n");
226 return -1;
227 }
228
229 if (parser->global.logical_maximum < parser->global.logical_minimum) {
230 hid_err(parser->device, "logical range invalid %d %d\n",
231 parser->global.logical_minimum, parser->global.logical_maximum);
232 return -1;
233 }
234
235 offset = report->size;
236 report->size += parser->global.report_size * parser->global.report_count;
237
238 if (!parser->local.usage_index) /* Ignore padding fields */
239 return 0;
240
241 usages = max_t(int, parser->local.usage_index, parser->global.report_count);
242
243 field = hid_register_field(report, usages, parser->global.report_count);
244 if (!field)
245 return 0;
246
247 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
248 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
249 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
250
251 for (i = 0; i < usages; i++) {
252 int j = i;
253 /* Duplicate the last usage we parsed if we have excess values */
254 if (i >= parser->local.usage_index)
255 j = parser->local.usage_index - 1;
256 field->usage[i].hid = parser->local.usage[j];
257 field->usage[i].collection_index =
258 parser->local.collection_index[j];
259 }
260
261 field->maxusage = usages;
262 field->flags = flags;
263 field->report_offset = offset;
264 field->report_type = report_type;
265 field->report_size = parser->global.report_size;
266 field->report_count = parser->global.report_count;
267 field->logical_minimum = parser->global.logical_minimum;
268 field->logical_maximum = parser->global.logical_maximum;
269 field->physical_minimum = parser->global.physical_minimum;
270 field->physical_maximum = parser->global.physical_maximum;
271 field->unit_exponent = parser->global.unit_exponent;
272 field->unit = parser->global.unit;
273
274 return 0;
275 }
276
277 /*
278 * Read data value from item.
279 */
280
281 static u32 item_udata(struct hid_item *item)
282 {
283 switch (item->size) {
284 case 1: return item->data.u8;
285 case 2: return item->data.u16;
286 case 4: return item->data.u32;
287 }
288 return 0;
289 }
290
291 static s32 item_sdata(struct hid_item *item)
292 {
293 switch (item->size) {
294 case 1: return item->data.s8;
295 case 2: return item->data.s16;
296 case 4: return item->data.s32;
297 }
298 return 0;
299 }
300
301 /*
302 * Process a global item.
303 */
304
305 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
306 {
307 switch (item->tag) {
308 case HID_GLOBAL_ITEM_TAG_PUSH:
309
310 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
311 hid_err(parser->device, "global environment stack overflow\n");
312 return -1;
313 }
314
315 memcpy(parser->global_stack + parser->global_stack_ptr++,
316 &parser->global, sizeof(struct hid_global));
317 return 0;
318
319 case HID_GLOBAL_ITEM_TAG_POP:
320
321 if (!parser->global_stack_ptr) {
322 hid_err(parser->device, "global environment stack underflow\n");
323 return -1;
324 }
325
326 memcpy(&parser->global, parser->global_stack +
327 --parser->global_stack_ptr, sizeof(struct hid_global));
328 return 0;
329
330 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
331 parser->global.usage_page = item_udata(item);
332 return 0;
333
334 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
335 parser->global.logical_minimum = item_sdata(item);
336 return 0;
337
338 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
339 if (parser->global.logical_minimum < 0)
340 parser->global.logical_maximum = item_sdata(item);
341 else
342 parser->global.logical_maximum = item_udata(item);
343 return 0;
344
345 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
346 parser->global.physical_minimum = item_sdata(item);
347 return 0;
348
349 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
350 if (parser->global.physical_minimum < 0)
351 parser->global.physical_maximum = item_sdata(item);
352 else
353 parser->global.physical_maximum = item_udata(item);
354 return 0;
355
356 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
357 parser->global.unit_exponent = item_sdata(item);
358 return 0;
359
360 case HID_GLOBAL_ITEM_TAG_UNIT:
361 parser->global.unit = item_udata(item);
362 return 0;
363
364 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
365 parser->global.report_size = item_udata(item);
366 if (parser->global.report_size > 96) {
367 hid_err(parser->device, "invalid report_size %d\n",
368 parser->global.report_size);
369 return -1;
370 }
371 return 0;
372
373 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
374 parser->global.report_count = item_udata(item);
375 if (parser->global.report_count > HID_MAX_USAGES) {
376 hid_err(parser->device, "invalid report_count %d\n",
377 parser->global.report_count);
378 return -1;
379 }
380 return 0;
381
382 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
383 parser->global.report_id = item_udata(item);
384 if (parser->global.report_id == 0) {
385 hid_err(parser->device, "report_id 0 is invalid\n");
386 return -1;
387 }
388 return 0;
389
390 default:
391 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
392 return -1;
393 }
394 }
395
396 /*
397 * Process a local item.
398 */
399
400 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
401 {
402 __u32 data;
403 unsigned n;
404
405 data = item_udata(item);
406
407 switch (item->tag) {
408 case HID_LOCAL_ITEM_TAG_DELIMITER:
409
410 if (data) {
411 /*
412 * We treat items before the first delimiter
413 * as global to all usage sets (branch 0).
414 * In the moment we process only these global
415 * items and the first delimiter set.
416 */
417 if (parser->local.delimiter_depth != 0) {
418 hid_err(parser->device, "nested delimiters\n");
419 return -1;
420 }
421 parser->local.delimiter_depth++;
422 parser->local.delimiter_branch++;
423 } else {
424 if (parser->local.delimiter_depth < 1) {
425 hid_err(parser->device, "bogus close delimiter\n");
426 return -1;
427 }
428 parser->local.delimiter_depth--;
429 }
430 return 1;
431
432 case HID_LOCAL_ITEM_TAG_USAGE:
433
434 if (parser->local.delimiter_branch > 1) {
435 dbg_hid("alternative usage ignored\n");
436 return 0;
437 }
438
439 if (item->size <= 2)
440 data = (parser->global.usage_page << 16) + data;
441
442 return hid_add_usage(parser, data);
443
444 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
445
446 if (parser->local.delimiter_branch > 1) {
447 dbg_hid("alternative usage ignored\n");
448 return 0;
449 }
450
451 if (item->size <= 2)
452 data = (parser->global.usage_page << 16) + data;
453
454 parser->local.usage_minimum = data;
455 return 0;
456
457 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
458
459 if (parser->local.delimiter_branch > 1) {
460 dbg_hid("alternative usage ignored\n");
461 return 0;
462 }
463
464 if (item->size <= 2)
465 data = (parser->global.usage_page << 16) + data;
466
467 for (n = parser->local.usage_minimum; n <= data; n++)
468 if (hid_add_usage(parser, n)) {
469 dbg_hid("hid_add_usage failed\n");
470 return -1;
471 }
472 return 0;
473
474 default:
475
476 dbg_hid("unknown local item tag 0x%x\n", item->tag);
477 return 0;
478 }
479 return 0;
480 }
481
482 /*
483 * Process a main item.
484 */
485
486 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
487 {
488 __u32 data;
489 int ret;
490
491 data = item_udata(item);
492
493 switch (item->tag) {
494 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
495 ret = open_collection(parser, data & 0xff);
496 break;
497 case HID_MAIN_ITEM_TAG_END_COLLECTION:
498 ret = close_collection(parser);
499 break;
500 case HID_MAIN_ITEM_TAG_INPUT:
501 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
502 break;
503 case HID_MAIN_ITEM_TAG_OUTPUT:
504 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
505 break;
506 case HID_MAIN_ITEM_TAG_FEATURE:
507 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
508 break;
509 default:
510 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
511 ret = 0;
512 }
513
514 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
515
516 return ret;
517 }
518
519 /*
520 * Process a reserved item.
521 */
522
523 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
524 {
525 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
526 return 0;
527 }
528
529 /*
530 * Free a report and all registered fields. The field->usage and
531 * field->value table's are allocated behind the field, so we need
532 * only to free(field) itself.
533 */
534
535 static void hid_free_report(struct hid_report *report)
536 {
537 unsigned n;
538
539 for (n = 0; n < report->maxfield; n++)
540 kfree(report->field[n]);
541 kfree(report);
542 }
543
544 /*
545 * Free a device structure, all reports, and all fields.
546 */
547
548 static void hid_device_release(struct device *dev)
549 {
550 struct hid_device *device = container_of(dev, struct hid_device, dev);
551 unsigned i, j;
552
553 for (i = 0; i < HID_REPORT_TYPES; i++) {
554 struct hid_report_enum *report_enum = device->report_enum + i;
555
556 for (j = 0; j < 256; j++) {
557 struct hid_report *report = report_enum->report_id_hash[j];
558 if (report)
559 hid_free_report(report);
560 }
561 }
562
563 kfree(device->rdesc);
564 kfree(device->collection);
565 kfree(device);
566 }
567
568 /*
569 * Fetch a report description item from the data stream. We support long
570 * items, though they are not used yet.
571 */
572
573 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
574 {
575 u8 b;
576
577 if ((end - start) <= 0)
578 return NULL;
579
580 b = *start++;
581
582 item->type = (b >> 2) & 3;
583 item->tag = (b >> 4) & 15;
584
585 if (item->tag == HID_ITEM_TAG_LONG) {
586
587 item->format = HID_ITEM_FORMAT_LONG;
588
589 if ((end - start) < 2)
590 return NULL;
591
592 item->size = *start++;
593 item->tag = *start++;
594
595 if ((end - start) < item->size)
596 return NULL;
597
598 item->data.longdata = start;
599 start += item->size;
600 return start;
601 }
602
603 item->format = HID_ITEM_FORMAT_SHORT;
604 item->size = b & 3;
605
606 switch (item->size) {
607 case 0:
608 return start;
609
610 case 1:
611 if ((end - start) < 1)
612 return NULL;
613 item->data.u8 = *start++;
614 return start;
615
616 case 2:
617 if ((end - start) < 2)
618 return NULL;
619 item->data.u16 = get_unaligned_le16(start);
620 start = (__u8 *)((__le16 *)start + 1);
621 return start;
622
623 case 3:
624 item->size++;
625 if ((end - start) < 4)
626 return NULL;
627 item->data.u32 = get_unaligned_le32(start);
628 start = (__u8 *)((__le32 *)start + 1);
629 return start;
630 }
631
632 return NULL;
633 }
634
635 /**
636 * hid_parse_report - parse device report
637 *
638 * @device: hid device
639 * @start: report start
640 * @size: report size
641 *
642 * Parse a report description into a hid_device structure. Reports are
643 * enumerated, fields are attached to these reports.
644 * 0 returned on success, otherwise nonzero error value.
645 */
646 int hid_parse_report(struct hid_device *device, __u8 *start,
647 unsigned size)
648 {
649 struct hid_parser *parser;
650 struct hid_item item;
651 __u8 *end;
652 int ret;
653 static int (*dispatch_type[])(struct hid_parser *parser,
654 struct hid_item *item) = {
655 hid_parser_main,
656 hid_parser_global,
657 hid_parser_local,
658 hid_parser_reserved
659 };
660
661 if (device->driver->report_fixup)
662 start = device->driver->report_fixup(device, start, &size);
663
664 device->rdesc = kmemdup(start, size, GFP_KERNEL);
665 if (device->rdesc == NULL)
666 return -ENOMEM;
667 device->rsize = size;
668
669 parser = vzalloc(sizeof(struct hid_parser));
670 if (!parser) {
671 ret = -ENOMEM;
672 goto err;
673 }
674
675 parser->device = device;
676
677 end = start + size;
678 ret = -EINVAL;
679 while ((start = fetch_item(start, end, &item)) != NULL) {
680
681 if (item.format != HID_ITEM_FORMAT_SHORT) {
682 hid_err(device, "unexpected long global item\n");
683 goto err;
684 }
685
686 if (dispatch_type[item.type](parser, &item)) {
687 hid_err(device, "item %u %u %u %u parsing failed\n",
688 item.format, (unsigned)item.size,
689 (unsigned)item.type, (unsigned)item.tag);
690 goto err;
691 }
692
693 if (start == end) {
694 if (parser->collection_stack_ptr) {
695 hid_err(device, "unbalanced collection at end of report description\n");
696 goto err;
697 }
698 if (parser->local.delimiter_depth) {
699 hid_err(device, "unbalanced delimiter at end of report description\n");
700 goto err;
701 }
702 vfree(parser);
703 return 0;
704 }
705 }
706
707 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
708 err:
709 vfree(parser);
710 return ret;
711 }
712 EXPORT_SYMBOL_GPL(hid_parse_report);
713
714 /*
715 * Convert a signed n-bit integer to signed 32-bit integer. Common
716 * cases are done through the compiler, the screwed things has to be
717 * done by hand.
718 */
719
720 static s32 snto32(__u32 value, unsigned n)
721 {
722 switch (n) {
723 case 8: return ((__s8)value);
724 case 16: return ((__s16)value);
725 case 32: return ((__s32)value);
726 }
727 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
728 }
729
730 /*
731 * Convert a signed 32-bit integer to a signed n-bit integer.
732 */
733
734 static u32 s32ton(__s32 value, unsigned n)
735 {
736 s32 a = value >> (n - 1);
737 if (a && a != -1)
738 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
739 return value & ((1 << n) - 1);
740 }
741
742 /*
743 * Extract/implement a data field from/to a little endian report (bit array).
744 *
745 * Code sort-of follows HID spec:
746 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
747 *
748 * While the USB HID spec allows unlimited length bit fields in "report
749 * descriptors", most devices never use more than 16 bits.
750 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
751 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
752 */
753
754 static __u32 extract(const struct hid_device *hid, __u8 *report,
755 unsigned offset, unsigned n)
756 {
757 u64 x;
758
759 if (n > 32)
760 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
761 n, current->comm);
762
763 report += offset >> 3; /* adjust byte index */
764 offset &= 7; /* now only need bit offset into one byte */
765 x = get_unaligned_le64(report);
766 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
767 return (u32) x;
768 }
769
770 /*
771 * "implement" : set bits in a little endian bit stream.
772 * Same concepts as "extract" (see comments above).
773 * The data mangled in the bit stream remains in little endian
774 * order the whole time. It make more sense to talk about
775 * endianness of register values by considering a register
776 * a "cached" copy of the little endiad bit stream.
777 */
778 static void implement(const struct hid_device *hid, __u8 *report,
779 unsigned offset, unsigned n, __u32 value)
780 {
781 u64 x;
782 u64 m = (1ULL << n) - 1;
783
784 if (n > 32)
785 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
786 __func__, n, current->comm);
787
788 if (value > m)
789 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
790 __func__, value, current->comm);
791 WARN_ON(value > m);
792 value &= m;
793
794 report += offset >> 3;
795 offset &= 7;
796
797 x = get_unaligned_le64(report);
798 x &= ~(m << offset);
799 x |= ((u64)value) << offset;
800 put_unaligned_le64(x, report);
801 }
802
803 /*
804 * Search an array for a value.
805 */
806
807 static int search(__s32 *array, __s32 value, unsigned n)
808 {
809 while (n--) {
810 if (*array++ == value)
811 return 0;
812 }
813 return -1;
814 }
815
816 /**
817 * hid_match_report - check if driver's raw_event should be called
818 *
819 * @hid: hid device
820 * @report_type: type to match against
821 *
822 * compare hid->driver->report_table->report_type to report->type
823 */
824 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
825 {
826 const struct hid_report_id *id = hid->driver->report_table;
827
828 if (!id) /* NULL means all */
829 return 1;
830
831 for (; id->report_type != HID_TERMINATOR; id++)
832 if (id->report_type == HID_ANY_ID ||
833 id->report_type == report->type)
834 return 1;
835 return 0;
836 }
837
838 /**
839 * hid_match_usage - check if driver's event should be called
840 *
841 * @hid: hid device
842 * @usage: usage to match against
843 *
844 * compare hid->driver->usage_table->usage_{type,code} to
845 * usage->usage_{type,code}
846 */
847 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
848 {
849 const struct hid_usage_id *id = hid->driver->usage_table;
850
851 if (!id) /* NULL means all */
852 return 1;
853
854 for (; id->usage_type != HID_ANY_ID - 1; id++)
855 if ((id->usage_hid == HID_ANY_ID ||
856 id->usage_hid == usage->hid) &&
857 (id->usage_type == HID_ANY_ID ||
858 id->usage_type == usage->type) &&
859 (id->usage_code == HID_ANY_ID ||
860 id->usage_code == usage->code))
861 return 1;
862 return 0;
863 }
864
865 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
866 struct hid_usage *usage, __s32 value, int interrupt)
867 {
868 struct hid_driver *hdrv = hid->driver;
869 int ret;
870
871 hid_dump_input(hid, usage, value);
872
873 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
874 ret = hdrv->event(hid, field, usage, value);
875 if (ret != 0) {
876 if (ret < 0)
877 hid_err(hid, "%s's event failed with %d\n",
878 hdrv->name, ret);
879 return;
880 }
881 }
882
883 if (hid->claimed & HID_CLAIMED_INPUT)
884 hidinput_hid_event(hid, field, usage, value);
885 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
886 hid->hiddev_hid_event(hid, field, usage, value);
887 }
888
889 /*
890 * Analyse a received field, and fetch the data from it. The field
891 * content is stored for next report processing (we do differential
892 * reporting to the layer).
893 */
894
895 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
896 __u8 *data, int interrupt)
897 {
898 unsigned n;
899 unsigned count = field->report_count;
900 unsigned offset = field->report_offset;
901 unsigned size = field->report_size;
902 __s32 min = field->logical_minimum;
903 __s32 max = field->logical_maximum;
904 __s32 *value;
905
906 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
907 if (!value)
908 return;
909
910 for (n = 0; n < count; n++) {
911
912 value[n] = min < 0 ?
913 snto32(extract(hid, data, offset + n * size, size),
914 size) :
915 extract(hid, data, offset + n * size, size);
916
917 /* Ignore report if ErrorRollOver */
918 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
919 value[n] >= min && value[n] <= max &&
920 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
921 goto exit;
922 }
923
924 for (n = 0; n < count; n++) {
925
926 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
927 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
928 continue;
929 }
930
931 if (field->value[n] >= min && field->value[n] <= max
932 && field->usage[field->value[n] - min].hid
933 && search(value, field->value[n], count))
934 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
935
936 if (value[n] >= min && value[n] <= max
937 && field->usage[value[n] - min].hid
938 && search(field->value, value[n], count))
939 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
940 }
941
942 memcpy(field->value, value, count * sizeof(__s32));
943 exit:
944 kfree(value);
945 }
946
947 /*
948 * Output the field into the report.
949 */
950
951 static void hid_output_field(const struct hid_device *hid,
952 struct hid_field *field, __u8 *data)
953 {
954 unsigned count = field->report_count;
955 unsigned offset = field->report_offset;
956 unsigned size = field->report_size;
957 unsigned n;
958
959 for (n = 0; n < count; n++) {
960 if (field->logical_minimum < 0) /* signed values */
961 implement(hid, data, offset + n * size, size,
962 s32ton(field->value[n], size));
963 else /* unsigned values */
964 implement(hid, data, offset + n * size, size,
965 field->value[n]);
966 }
967 }
968
969 /*
970 * Create a report.
971 */
972
973 void hid_output_report(struct hid_report *report, __u8 *data)
974 {
975 unsigned n;
976
977 if (report->id > 0)
978 *data++ = report->id;
979
980 memset(data, 0, ((report->size - 1) >> 3) + 1);
981 for (n = 0; n < report->maxfield; n++)
982 hid_output_field(report->device, report->field[n], data);
983 }
984 EXPORT_SYMBOL_GPL(hid_output_report);
985
986 /*
987 * Set a field value. The report this field belongs to has to be
988 * created and transferred to the device, to set this value in the
989 * device.
990 */
991
992 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
993 {
994 unsigned size = field->report_size;
995
996 hid_dump_input(field->report->device, field->usage + offset, value);
997
998 if (offset >= field->report_count) {
999 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1000 offset, field->report_count);
1001 return -1;
1002 }
1003 if (field->logical_minimum < 0) {
1004 if (value != snto32(s32ton(value, size), size)) {
1005 hid_err(field->report->device, "value %d is out of range\n", value);
1006 return -1;
1007 }
1008 }
1009 field->value[offset] = value;
1010 return 0;
1011 }
1012 EXPORT_SYMBOL_GPL(hid_set_field);
1013
1014 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1015 const u8 *data)
1016 {
1017 struct hid_report *report;
1018 unsigned int n = 0; /* Normally report number is 0 */
1019
1020 /* Device uses numbered reports, data[0] is report number */
1021 if (report_enum->numbered)
1022 n = *data;
1023
1024 report = report_enum->report_id_hash[n];
1025 if (report == NULL)
1026 dbg_hid("undefined report_id %u received\n", n);
1027
1028 return report;
1029 }
1030
1031 void hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1032 int interrupt)
1033 {
1034 struct hid_report_enum *report_enum = hid->report_enum + type;
1035 struct hid_report *report;
1036 unsigned int a;
1037 int rsize, csize = size;
1038 u8 *cdata = data;
1039
1040 report = hid_get_report(report_enum, data);
1041 if (!report)
1042 return;
1043
1044 if (report_enum->numbered) {
1045 cdata++;
1046 csize--;
1047 }
1048
1049 rsize = ((report->size - 1) >> 3) + 1;
1050
1051 if (rsize > HID_MAX_BUFFER_SIZE)
1052 rsize = HID_MAX_BUFFER_SIZE;
1053
1054 if (csize < rsize) {
1055 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1056 csize, rsize);
1057 memset(cdata + csize, 0, rsize - csize);
1058 }
1059
1060 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1061 hid->hiddev_report_event(hid, report);
1062 if (hid->claimed & HID_CLAIMED_HIDRAW)
1063 hidraw_report_event(hid, data, size);
1064
1065 for (a = 0; a < report->maxfield; a++)
1066 hid_input_field(hid, report->field[a], cdata, interrupt);
1067
1068 if (hid->claimed & HID_CLAIMED_INPUT)
1069 hidinput_report_event(hid, report);
1070 }
1071 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1072
1073 /**
1074 * hid_input_report - report data from lower layer (usb, bt...)
1075 *
1076 * @hid: hid device
1077 * @type: HID report type (HID_*_REPORT)
1078 * @data: report contents
1079 * @size: size of data parameter
1080 * @interrupt: distinguish between interrupt and control transfers
1081 *
1082 * This is data entry for lower layers.
1083 */
1084 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1085 {
1086 struct hid_report_enum *report_enum;
1087 struct hid_driver *hdrv;
1088 struct hid_report *report;
1089 char *buf;
1090 unsigned int i;
1091 int ret = 0;
1092
1093 if (!hid)
1094 return -ENODEV;
1095
1096 if (down_trylock(&hid->driver_lock))
1097 return -EBUSY;
1098
1099 if (!hid->driver) {
1100 ret = -ENODEV;
1101 goto unlock;
1102 }
1103 report_enum = hid->report_enum + type;
1104 hdrv = hid->driver;
1105
1106 if (!size) {
1107 dbg_hid("empty report\n");
1108 ret = -1;
1109 goto unlock;
1110 }
1111
1112 buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1113
1114 if (!buf)
1115 goto nomem;
1116
1117 /* dump the report */
1118 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1119 "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1120 hid_debug_event(hid, buf);
1121
1122 for (i = 0; i < size; i++) {
1123 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1124 " %02x", data[i]);
1125 hid_debug_event(hid, buf);
1126 }
1127 hid_debug_event(hid, "\n");
1128 kfree(buf);
1129
1130 nomem:
1131 report = hid_get_report(report_enum, data);
1132
1133 if (!report) {
1134 ret = -1;
1135 goto unlock;
1136 }
1137
1138 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1139 ret = hdrv->raw_event(hid, report, data, size);
1140 if (ret != 0) {
1141 ret = ret < 0 ? ret : 0;
1142 goto unlock;
1143 }
1144 }
1145
1146 hid_report_raw_event(hid, type, data, size, interrupt);
1147
1148 unlock:
1149 up(&hid->driver_lock);
1150 return ret;
1151 }
1152 EXPORT_SYMBOL_GPL(hid_input_report);
1153
1154 static bool hid_match_one_id(struct hid_device *hdev,
1155 const struct hid_device_id *id)
1156 {
1157 return id->bus == hdev->bus &&
1158 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1159 (id->product == HID_ANY_ID || id->product == hdev->product);
1160 }
1161
1162 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1163 const struct hid_device_id *id)
1164 {
1165 for (; id->bus; id++)
1166 if (hid_match_one_id(hdev, id))
1167 return id;
1168
1169 return NULL;
1170 }
1171
1172 static const struct hid_device_id hid_hiddev_list[] = {
1173 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1174 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1175 { }
1176 };
1177
1178 static bool hid_hiddev(struct hid_device *hdev)
1179 {
1180 return !!hid_match_id(hdev, hid_hiddev_list);
1181 }
1182
1183
1184 static ssize_t
1185 read_report_descriptor(struct file *filp, struct kobject *kobj,
1186 struct bin_attribute *attr,
1187 char *buf, loff_t off, size_t count)
1188 {
1189 struct device *dev = container_of(kobj, struct device, kobj);
1190 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1191
1192 if (off >= hdev->rsize)
1193 return 0;
1194
1195 if (off + count > hdev->rsize)
1196 count = hdev->rsize - off;
1197
1198 memcpy(buf, hdev->rdesc + off, count);
1199
1200 return count;
1201 }
1202
1203 static struct bin_attribute dev_bin_attr_report_desc = {
1204 .attr = { .name = "report_descriptor", .mode = 0444 },
1205 .read = read_report_descriptor,
1206 .size = HID_MAX_DESCRIPTOR_SIZE,
1207 };
1208
1209 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1210 {
1211 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1212 "Joystick", "Gamepad", "Keyboard", "Keypad",
1213 "Multi-Axis Controller"
1214 };
1215 const char *type, *bus;
1216 char buf[64];
1217 unsigned int i;
1218 int len;
1219 int ret;
1220
1221 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1222 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1223 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1224 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1225 if (hdev->bus != BUS_USB)
1226 connect_mask &= ~HID_CONNECT_HIDDEV;
1227 if (hid_hiddev(hdev))
1228 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1229
1230 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1231 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1232 hdev->claimed |= HID_CLAIMED_INPUT;
1233 if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1234 /* this device should be handled by hid-multitouch, skip it */
1235 hdev->quirks &= ~HID_QUIRK_MULTITOUCH;
1236 return -ENODEV;
1237 }
1238
1239 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1240 !hdev->hiddev_connect(hdev,
1241 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1242 hdev->claimed |= HID_CLAIMED_HIDDEV;
1243 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1244 hdev->claimed |= HID_CLAIMED_HIDRAW;
1245
1246 if (!hdev->claimed) {
1247 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1248 return -ENODEV;
1249 }
1250
1251 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1252 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1253 hdev->ff_init(hdev);
1254
1255 len = 0;
1256 if (hdev->claimed & HID_CLAIMED_INPUT)
1257 len += sprintf(buf + len, "input");
1258 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1259 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1260 hdev->minor);
1261 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1262 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1263 ((struct hidraw *)hdev->hidraw)->minor);
1264
1265 type = "Device";
1266 for (i = 0; i < hdev->maxcollection; i++) {
1267 struct hid_collection *col = &hdev->collection[i];
1268 if (col->type == HID_COLLECTION_APPLICATION &&
1269 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1270 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1271 type = types[col->usage & 0xffff];
1272 break;
1273 }
1274 }
1275
1276 switch (hdev->bus) {
1277 case BUS_USB:
1278 bus = "USB";
1279 break;
1280 case BUS_BLUETOOTH:
1281 bus = "BLUETOOTH";
1282 break;
1283 default:
1284 bus = "<UNKNOWN>";
1285 }
1286
1287 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1288 if (ret)
1289 hid_warn(hdev,
1290 "can't create sysfs report descriptor attribute err: %d\n", ret);
1291
1292 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1293 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1294 type, hdev->name, hdev->phys);
1295
1296 return 0;
1297 }
1298 EXPORT_SYMBOL_GPL(hid_connect);
1299
1300 void hid_disconnect(struct hid_device *hdev)
1301 {
1302 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1303 if (hdev->claimed & HID_CLAIMED_INPUT)
1304 hidinput_disconnect(hdev);
1305 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1306 hdev->hiddev_disconnect(hdev);
1307 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1308 hidraw_disconnect(hdev);
1309 }
1310 EXPORT_SYMBOL_GPL(hid_disconnect);
1311
1312 /* a list of devices for which there is a specialized driver on HID bus */
1313 static const struct hid_device_id hid_have_special_driver[] = {
1314 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1315 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1316 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1317 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1318 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1319 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1320 { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1321 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1322 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1323 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1324 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1325 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1326 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1327 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1328 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1329 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1330 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1331 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1332 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1333 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1334 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1335 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1336 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1337 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1338 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1339 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1340 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1341 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1342 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1343 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1344 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1345 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1346 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1347 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1348 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1349 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1350 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1351 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1352 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1353 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1354 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1355 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1356 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1357 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1358 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1359 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1360 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1361 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1362 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1369 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1378 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1379 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1380 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1381 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1382 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1385 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1386 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1387 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1388 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1389 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1390 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1391 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1392 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1393 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1394 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1395 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1396 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1397 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1398 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1399 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1400 { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1401 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1402 { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1403 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1404 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1405 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1406 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1407 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1408 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1409 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1410 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1411 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1412 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1413 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1414 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1415 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1416 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1417 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1418 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1419 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1420 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1421 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1422 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1423 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1424 { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1425 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1426 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1427 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1428 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1429 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1430 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1431 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1432 { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1433 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1434 { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1435 { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1436 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1437 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1438 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1439 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1440 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1441 { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1442 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1443 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1444 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1445 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1446 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1447 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1448 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1449 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1450 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1451 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1452 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1453 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1454 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1455 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1456 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1457 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1458 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1459 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1460 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1461 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1462 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1463 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1464 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1465 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1466 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1467 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1468 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1469 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1470 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1471 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1472 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1473 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1474 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1475 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1476 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1477 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1478 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1479 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1480 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1481 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1482 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1483 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1484 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1485 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1486 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1487 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1488 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1489 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1490 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1491 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1492 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1493 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1494 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1495 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1496 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1497 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1498 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1499 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1500 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1501 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1502 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1503 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1504 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1505 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1506 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1507 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1508 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1509 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1510 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1511 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1512 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1513 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1514 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1515 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1516 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1517 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1518 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1519 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1520 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1521 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1522 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1523 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1524 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1525 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1526 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1528 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1529 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1530 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1531 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1532 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1533 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1534 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1535 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1536 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1537 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1538 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1539 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1540 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1541 { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1542 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1543 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1544 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1545 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1546 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1547 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1548 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1549 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1550 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1551 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1552 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1553 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1554 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1555 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1556 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1557 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1558 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1559 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1560 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1561 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1562 { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1563 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1564 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1565 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1566 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1567 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1568 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1569 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1570 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1571 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1572 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1573 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1574 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1575 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1576
1577 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1578 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1579 { }
1580 };
1581
1582 struct hid_dynid {
1583 struct list_head list;
1584 struct hid_device_id id;
1585 };
1586
1587 /**
1588 * store_new_id - add a new HID device ID to this driver and re-probe devices
1589 * @driver: target device driver
1590 * @buf: buffer for scanning device ID data
1591 * @count: input size
1592 *
1593 * Adds a new dynamic hid device ID to this driver,
1594 * and causes the driver to probe for all devices again.
1595 */
1596 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1597 size_t count)
1598 {
1599 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1600 struct hid_dynid *dynid;
1601 __u32 bus, vendor, product;
1602 unsigned long driver_data = 0;
1603 int ret;
1604
1605 ret = sscanf(buf, "%x %x %x %lx",
1606 &bus, &vendor, &product, &driver_data);
1607 if (ret < 3)
1608 return -EINVAL;
1609
1610 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1611 if (!dynid)
1612 return -ENOMEM;
1613
1614 dynid->id.bus = bus;
1615 dynid->id.vendor = vendor;
1616 dynid->id.product = product;
1617 dynid->id.driver_data = driver_data;
1618
1619 spin_lock(&hdrv->dyn_lock);
1620 list_add_tail(&dynid->list, &hdrv->dyn_list);
1621 spin_unlock(&hdrv->dyn_lock);
1622
1623 ret = 0;
1624 if (get_driver(&hdrv->driver)) {
1625 ret = driver_attach(&hdrv->driver);
1626 put_driver(&hdrv->driver);
1627 }
1628
1629 return ret ? : count;
1630 }
1631 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1632
1633 static void hid_free_dynids(struct hid_driver *hdrv)
1634 {
1635 struct hid_dynid *dynid, *n;
1636
1637 spin_lock(&hdrv->dyn_lock);
1638 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1639 list_del(&dynid->list);
1640 kfree(dynid);
1641 }
1642 spin_unlock(&hdrv->dyn_lock);
1643 }
1644
1645 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1646 struct hid_driver *hdrv)
1647 {
1648 struct hid_dynid *dynid;
1649
1650 spin_lock(&hdrv->dyn_lock);
1651 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1652 if (hid_match_one_id(hdev, &dynid->id)) {
1653 spin_unlock(&hdrv->dyn_lock);
1654 return &dynid->id;
1655 }
1656 }
1657 spin_unlock(&hdrv->dyn_lock);
1658
1659 return hid_match_id(hdev, hdrv->id_table);
1660 }
1661
1662 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1663 {
1664 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1665 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1666
1667 if (!hid_match_device(hdev, hdrv))
1668 return 0;
1669
1670 /* generic wants all that don't have specialized driver */
1671 if (!strncmp(hdrv->name, "generic-", 8))
1672 return !hid_match_id(hdev, hid_have_special_driver);
1673
1674 return 1;
1675 }
1676
1677 static int hid_device_probe(struct device *dev)
1678 {
1679 struct hid_driver *hdrv = container_of(dev->driver,
1680 struct hid_driver, driver);
1681 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1682 const struct hid_device_id *id;
1683 int ret = 0;
1684
1685 if (down_interruptible(&hdev->driver_lock))
1686 return -EINTR;
1687
1688 if (!hdev->driver) {
1689 id = hid_match_device(hdev, hdrv);
1690 if (id == NULL) {
1691 ret = -ENODEV;
1692 goto unlock;
1693 }
1694
1695 hdev->driver = hdrv;
1696 if (hdrv->probe) {
1697 ret = hdrv->probe(hdev, id);
1698 } else { /* default probe */
1699 ret = hid_parse(hdev);
1700 if (!ret)
1701 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1702 }
1703 if (ret)
1704 hdev->driver = NULL;
1705 }
1706 unlock:
1707 up(&hdev->driver_lock);
1708 return ret;
1709 }
1710
1711 static int hid_device_remove(struct device *dev)
1712 {
1713 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1714 struct hid_driver *hdrv;
1715
1716 if (down_interruptible(&hdev->driver_lock))
1717 return -EINTR;
1718
1719 hdrv = hdev->driver;
1720 if (hdrv) {
1721 if (hdrv->remove)
1722 hdrv->remove(hdev);
1723 else /* default remove */
1724 hid_hw_stop(hdev);
1725 hdev->driver = NULL;
1726 }
1727
1728 up(&hdev->driver_lock);
1729 return 0;
1730 }
1731
1732 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1733 {
1734 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1735
1736 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1737 hdev->bus, hdev->vendor, hdev->product))
1738 return -ENOMEM;
1739
1740 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1741 return -ENOMEM;
1742
1743 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1744 return -ENOMEM;
1745
1746 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1747 return -ENOMEM;
1748
1749 if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1750 hdev->bus, hdev->vendor, hdev->product))
1751 return -ENOMEM;
1752
1753 return 0;
1754 }
1755
1756 static struct bus_type hid_bus_type = {
1757 .name = "hid",
1758 .match = hid_bus_match,
1759 .probe = hid_device_probe,
1760 .remove = hid_device_remove,
1761 .uevent = hid_uevent,
1762 };
1763
1764 /* a list of devices that shouldn't be handled by HID core at all */
1765 static const struct hid_device_id hid_ignore_list[] = {
1766 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1767 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1768 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1769 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1770 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1771 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1772 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1773 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1774 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1775 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1776 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1777 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1778 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1779 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1780 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1781 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1782 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1783 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1784 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1785 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1786 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1787 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1788 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1789 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1790 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1791 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
1792 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1793 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1794 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1795 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1797 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1798 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1799 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1800 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1801 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1802 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1803 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1804 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1805 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1806 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1807 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1808 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1809 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1810 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1811 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1812 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1813 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1814 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1815 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1816 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1817 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1818 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1819 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1820 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1821 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1822 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1823 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1824 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1825 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1826 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1827 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1828 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1829 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1830 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1831 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1832 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1833 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1834 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1835 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1836 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1837 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1838 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1839 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1840 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1841 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1842 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1843 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1844 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1845 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1846 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1847 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1848 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1849 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1850 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1851 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1852 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1853 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1854 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1856 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1857 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1859 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1860 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1862 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1864 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1865 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1866 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1867 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1868 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1869 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1870 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1871 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1872 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1873 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1874 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1877 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1878 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1879 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1880 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1883 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1884 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1885 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
1886 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
1888 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
1890 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
1891 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
1893 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
1894 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
1901 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
1904 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
1907 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
1908 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
1909 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
1910 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
1912 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
1913 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
1914 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
1915 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
1916 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
1917 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
1918 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
1919 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
1920 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
1921 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
1922 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
1923 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
1924 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
1926 { }
1927 };
1928
1929 /**
1930 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
1931 *
1932 * There are composite devices for which we want to ignore only a certain
1933 * interface. This is a list of devices for which only the mouse interface will
1934 * be ignored. This allows a dedicated driver to take care of the interface.
1935 */
1936 static const struct hid_device_id hid_mouse_ignore_list[] = {
1937 /* appletouch driver */
1938 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1939 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1940 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1941 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1942 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1943 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1944 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1949 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1962 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1963 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1964 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1965 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1967 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1968 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1969 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1970 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1971 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1972 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1973 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1974 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1975 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1976 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1977 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1978 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1979 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1980 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1981 { }
1982 };
1983
1984 static bool hid_ignore(struct hid_device *hdev)
1985 {
1986 switch (hdev->vendor) {
1987 case USB_VENDOR_ID_CODEMERCS:
1988 /* ignore all Code Mercenaries IOWarrior devices */
1989 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
1990 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
1991 return true;
1992 break;
1993 case USB_VENDOR_ID_LOGITECH:
1994 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
1995 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
1996 return true;
1997 break;
1998 case USB_VENDOR_ID_SOUNDGRAPH:
1999 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2000 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2001 return true;
2002 break;
2003 case USB_VENDOR_ID_HANWANG:
2004 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2005 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2006 return true;
2007 break;
2008 case USB_VENDOR_ID_JESS:
2009 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2010 hdev->type == HID_TYPE_USBNONE)
2011 return true;
2012 break;
2013 }
2014
2015 if (hdev->type == HID_TYPE_USBMOUSE &&
2016 hid_match_id(hdev, hid_mouse_ignore_list))
2017 return true;
2018
2019 return !!hid_match_id(hdev, hid_ignore_list);
2020 }
2021
2022 int hid_add_device(struct hid_device *hdev)
2023 {
2024 static atomic_t id = ATOMIC_INIT(0);
2025 int ret;
2026
2027 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2028 return -EBUSY;
2029
2030 /* we need to kill them here, otherwise they will stay allocated to
2031 * wait for coming driver */
2032 if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2033 && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2034 return -ENODEV;
2035
2036 /* XXX hack, any other cleaner solution after the driver core
2037 * is converted to allow more than 20 bytes as the device name? */
2038 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2039 hdev->vendor, hdev->product, atomic_inc_return(&id));
2040
2041 hid_debug_register(hdev, dev_name(&hdev->dev));
2042 ret = device_add(&hdev->dev);
2043 if (!ret)
2044 hdev->status |= HID_STAT_ADDED;
2045 else
2046 hid_debug_unregister(hdev);
2047
2048 return ret;
2049 }
2050 EXPORT_SYMBOL_GPL(hid_add_device);
2051
2052 /**
2053 * hid_allocate_device - allocate new hid device descriptor
2054 *
2055 * Allocate and initialize hid device, so that hid_destroy_device might be
2056 * used to free it.
2057 *
2058 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2059 * error value.
2060 */
2061 struct hid_device *hid_allocate_device(void)
2062 {
2063 struct hid_device *hdev;
2064 unsigned int i;
2065 int ret = -ENOMEM;
2066
2067 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2068 if (hdev == NULL)
2069 return ERR_PTR(ret);
2070
2071 device_initialize(&hdev->dev);
2072 hdev->dev.release = hid_device_release;
2073 hdev->dev.bus = &hid_bus_type;
2074
2075 hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2076 sizeof(struct hid_collection), GFP_KERNEL);
2077 if (hdev->collection == NULL)
2078 goto err;
2079 hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2080
2081 for (i = 0; i < HID_REPORT_TYPES; i++)
2082 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2083
2084 init_waitqueue_head(&hdev->debug_wait);
2085 INIT_LIST_HEAD(&hdev->debug_list);
2086 sema_init(&hdev->driver_lock, 1);
2087
2088 return hdev;
2089 err:
2090 put_device(&hdev->dev);
2091 return ERR_PTR(ret);
2092 }
2093 EXPORT_SYMBOL_GPL(hid_allocate_device);
2094
2095 static void hid_remove_device(struct hid_device *hdev)
2096 {
2097 if (hdev->status & HID_STAT_ADDED) {
2098 device_del(&hdev->dev);
2099 hid_debug_unregister(hdev);
2100 hdev->status &= ~HID_STAT_ADDED;
2101 }
2102 }
2103
2104 /**
2105 * hid_destroy_device - free previously allocated device
2106 *
2107 * @hdev: hid device
2108 *
2109 * If you allocate hid_device through hid_allocate_device, you should ever
2110 * free by this function.
2111 */
2112 void hid_destroy_device(struct hid_device *hdev)
2113 {
2114 hid_remove_device(hdev);
2115 put_device(&hdev->dev);
2116 }
2117 EXPORT_SYMBOL_GPL(hid_destroy_device);
2118
2119 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2120 const char *mod_name)
2121 {
2122 int ret;
2123
2124 hdrv->driver.name = hdrv->name;
2125 hdrv->driver.bus = &hid_bus_type;
2126 hdrv->driver.owner = owner;
2127 hdrv->driver.mod_name = mod_name;
2128
2129 INIT_LIST_HEAD(&hdrv->dyn_list);
2130 spin_lock_init(&hdrv->dyn_lock);
2131
2132 ret = driver_register(&hdrv->driver);
2133 if (ret)
2134 return ret;
2135
2136 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2137 if (ret)
2138 driver_unregister(&hdrv->driver);
2139
2140 return ret;
2141 }
2142 EXPORT_SYMBOL_GPL(__hid_register_driver);
2143
2144 void hid_unregister_driver(struct hid_driver *hdrv)
2145 {
2146 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2147 driver_unregister(&hdrv->driver);
2148 hid_free_dynids(hdrv);
2149 }
2150 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2151
2152 int hid_check_keys_pressed(struct hid_device *hid)
2153 {
2154 struct hid_input *hidinput;
2155 int i;
2156
2157 if (!(hid->claimed & HID_CLAIMED_INPUT))
2158 return 0;
2159
2160 list_for_each_entry(hidinput, &hid->inputs, list) {
2161 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2162 if (hidinput->input->key[i])
2163 return 1;
2164 }
2165
2166 return 0;
2167 }
2168
2169 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2170
2171 static int __init hid_init(void)
2172 {
2173 int ret;
2174
2175 if (hid_debug)
2176 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2177 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2178
2179 ret = bus_register(&hid_bus_type);
2180 if (ret) {
2181 pr_err("can't register hid bus\n");
2182 goto err;
2183 }
2184
2185 ret = hidraw_init();
2186 if (ret)
2187 goto err_bus;
2188
2189 hid_debug_init();
2190
2191 return 0;
2192 err_bus:
2193 bus_unregister(&hid_bus_type);
2194 err:
2195 return ret;
2196 }
2197
2198 static void __exit hid_exit(void)
2199 {
2200 hid_debug_exit();
2201 hidraw_exit();
2202 bus_unregister(&hid_bus_type);
2203 }
2204
2205 module_init(hid_init);
2206 module_exit(hid_exit);
2207
2208 MODULE_AUTHOR("Andreas Gal");
2209 MODULE_AUTHOR("Vojtech Pavlik");
2210 MODULE_AUTHOR("Jiri Kosina");
2211 MODULE_LICENSE(DRIVER_LICENSE);
2212