projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
[media] vivid: fix CROP_BOUNDS typo for video output
[deliverable/linux.git] / drivers / hid / hid-core.c
1 /*
2 * HID support for Linux
3 *
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
7 * Copyright (c) 2006-2012 Jiri Kosina
8 */
9
10 /*
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
14 * any later version.
15 */
16
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
19 #include <linux/module.h>
20 #include <linux/slab.h>
21 #include <linux/init.h>
22 #include <linux/kernel.h>
23 #include <linux/list.h>
24 #include <linux/mm.h>
25 #include <linux/spinlock.h>
26 #include <asm/unaligned.h>
27 #include <asm/byteorder.h>
28 #include <linux/input.h>
29 #include <linux/wait.h>
30 #include <linux/vmalloc.h>
31 #include <linux/sched.h>
32 #include <linux/semaphore.h>
33
34 #include <linux/hid.h>
35 #include <linux/hiddev.h>
36 #include <linux/hid-debug.h>
37 #include <linux/hidraw.h>
38
39 #include "hid-ids.h"
40
41 /*
42 * Version Information
43 */
44
45 #define DRIVER_DESC "HID core driver"
46 #define DRIVER_LICENSE "GPL"
47
48 int hid_debug = 0;
49 module_param_named(debug, hid_debug, int, 0600);
50 MODULE_PARM_DESC(debug, "toggle HID debugging messages");
51 EXPORT_SYMBOL_GPL(hid_debug);
52
53 static int hid_ignore_special_drivers = 0;
54 module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55 MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
56
57 /*
58 * Register a new report for a device.
59 */
60
61 struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
62 {
63 struct hid_report_enum *report_enum = device->report_enum + type;
64 struct hid_report *report;
65
66 if (id >= HID_MAX_IDS)
67 return NULL;
68 if (report_enum->report_id_hash[id])
69 return report_enum->report_id_hash[id];
70
71 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
72 if (!report)
73 return NULL;
74
75 if (id != 0)
76 report_enum->numbered = 1;
77
78 report->id = id;
79 report->type = type;
80 report->size = 0;
81 report->device = device;
82 report_enum->report_id_hash[id] = report;
83
84 list_add_tail(&report->list, &report_enum->report_list);
85
86 return report;
87 }
88 EXPORT_SYMBOL_GPL(hid_register_report);
89
90 /*
91 * Register a new field for this report.
92 */
93
94 static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
95 {
96 struct hid_field *field;
97
98 if (report->maxfield == HID_MAX_FIELDS) {
99 hid_err(report->device, "too many fields in report\n");
100 return NULL;
101 }
102
103 field = kzalloc((sizeof(struct hid_field) +
104 usages * sizeof(struct hid_usage) +
105 values * sizeof(unsigned)), GFP_KERNEL);
106 if (!field)
107 return NULL;
108
109 field->index = report->maxfield++;
110 report->field[field->index] = field;
111 field->usage = (struct hid_usage *)(field + 1);
112 field->value = (s32 *)(field->usage + usages);
113 field->report = report;
114
115 return field;
116 }
117
118 /*
119 * Open a collection. The type/usage is pushed on the stack.
120 */
121
122 static int open_collection(struct hid_parser *parser, unsigned type)
123 {
124 struct hid_collection *collection;
125 unsigned usage;
126
127 usage = parser->local.usage[0];
128
129 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
130 hid_err(parser->device, "collection stack overflow\n");
131 return -EINVAL;
132 }
133
134 if (parser->device->maxcollection == parser->device->collection_size) {
135 collection = kmalloc(sizeof(struct hid_collection) *
136 parser->device->collection_size * 2, GFP_KERNEL);
137 if (collection == NULL) {
138 hid_err(parser->device, "failed to reallocate collection array\n");
139 return -ENOMEM;
140 }
141 memcpy(collection, parser->device->collection,
142 sizeof(struct hid_collection) *
143 parser->device->collection_size);
144 memset(collection + parser->device->collection_size, 0,
145 sizeof(struct hid_collection) *
146 parser->device->collection_size);
147 kfree(parser->device->collection);
148 parser->device->collection = collection;
149 parser->device->collection_size *= 2;
150 }
151
152 parser->collection_stack[parser->collection_stack_ptr++] =
153 parser->device->maxcollection;
154
155 collection = parser->device->collection +
156 parser->device->maxcollection++;
157 collection->type = type;
158 collection->usage = usage;
159 collection->level = parser->collection_stack_ptr - 1;
160
161 if (type == HID_COLLECTION_APPLICATION)
162 parser->device->maxapplication++;
163
164 return 0;
165 }
166
167 /*
168 * Close a collection.
169 */
170
171 static int close_collection(struct hid_parser *parser)
172 {
173 if (!parser->collection_stack_ptr) {
174 hid_err(parser->device, "collection stack underflow\n");
175 return -EINVAL;
176 }
177 parser->collection_stack_ptr--;
178 return 0;
179 }
180
181 /*
182 * Climb up the stack, search for the specified collection type
183 * and return the usage.
184 */
185
186 static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
187 {
188 struct hid_collection *collection = parser->device->collection;
189 int n;
190
191 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
192 unsigned index = parser->collection_stack[n];
193 if (collection[index].type == type)
194 return collection[index].usage;
195 }
196 return 0; /* we know nothing about this usage type */
197 }
198
199 /*
200 * Add a usage to the temporary parser table.
201 */
202
203 static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204 {
205 if (parser->local.usage_index >= HID_MAX_USAGES) {
206 hid_err(parser->device, "usage index exceeded\n");
207 return -1;
208 }
209 parser->local.usage[parser->local.usage_index] = usage;
210 parser->local.collection_index[parser->local.usage_index] =
211 parser->collection_stack_ptr ?
212 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213 parser->local.usage_index++;
214 return 0;
215 }
216
217 /*
218 * Register a new field for this report.
219 */
220
221 static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222 {
223 struct hid_report *report;
224 struct hid_field *field;
225 unsigned usages;
226 unsigned offset;
227 unsigned i;
228
229 report = hid_register_report(parser->device, report_type, parser->global.report_id);
230 if (!report) {
231 hid_err(parser->device, "hid_register_report failed\n");
232 return -1;
233 }
234
235 /* Handle both signed and unsigned cases properly */
236 if ((parser->global.logical_minimum < 0 &&
237 parser->global.logical_maximum <
238 parser->global.logical_minimum) ||
239 (parser->global.logical_minimum >= 0 &&
240 (__u32)parser->global.logical_maximum <
241 (__u32)parser->global.logical_minimum)) {
242 dbg_hid("logical range invalid 0x%x 0x%x\n",
243 parser->global.logical_minimum,
244 parser->global.logical_maximum);
245 return -1;
246 }
247
248 offset = report->size;
249 report->size += parser->global.report_size * parser->global.report_count;
250
251 if (!parser->local.usage_index) /* Ignore padding fields */
252 return 0;
253
254 usages = max_t(unsigned, parser->local.usage_index,
255 parser->global.report_count);
256
257 field = hid_register_field(report, usages, parser->global.report_count);
258 if (!field)
259 return 0;
260
261 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264
265 for (i = 0; i < usages; i++) {
266 unsigned j = i;
267 /* Duplicate the last usage we parsed if we have excess values */
268 if (i >= parser->local.usage_index)
269 j = parser->local.usage_index - 1;
270 field->usage[i].hid = parser->local.usage[j];
271 field->usage[i].collection_index =
272 parser->local.collection_index[j];
273 field->usage[i].usage_index = i;
274 }
275
276 field->maxusage = usages;
277 field->flags = flags;
278 field->report_offset = offset;
279 field->report_type = report_type;
280 field->report_size = parser->global.report_size;
281 field->report_count = parser->global.report_count;
282 field->logical_minimum = parser->global.logical_minimum;
283 field->logical_maximum = parser->global.logical_maximum;
284 field->physical_minimum = parser->global.physical_minimum;
285 field->physical_maximum = parser->global.physical_maximum;
286 field->unit_exponent = parser->global.unit_exponent;
287 field->unit = parser->global.unit;
288
289 return 0;
290 }
291
292 /*
293 * Read data value from item.
294 */
295
296 static u32 item_udata(struct hid_item *item)
297 {
298 switch (item->size) {
299 case 1: return item->data.u8;
300 case 2: return item->data.u16;
301 case 4: return item->data.u32;
302 }
303 return 0;
304 }
305
306 static s32 item_sdata(struct hid_item *item)
307 {
308 switch (item->size) {
309 case 1: return item->data.s8;
310 case 2: return item->data.s16;
311 case 4: return item->data.s32;
312 }
313 return 0;
314 }
315
316 /*
317 * Process a global item.
318 */
319
320 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321 {
322 __s32 raw_value;
323 switch (item->tag) {
324 case HID_GLOBAL_ITEM_TAG_PUSH:
325
326 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
327 hid_err(parser->device, "global environment stack overflow\n");
328 return -1;
329 }
330
331 memcpy(parser->global_stack + parser->global_stack_ptr++,
332 &parser->global, sizeof(struct hid_global));
333 return 0;
334
335 case HID_GLOBAL_ITEM_TAG_POP:
336
337 if (!parser->global_stack_ptr) {
338 hid_err(parser->device, "global environment stack underflow\n");
339 return -1;
340 }
341
342 memcpy(&parser->global, parser->global_stack +
343 --parser->global_stack_ptr, sizeof(struct hid_global));
344 return 0;
345
346 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347 parser->global.usage_page = item_udata(item);
348 return 0;
349
350 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351 parser->global.logical_minimum = item_sdata(item);
352 return 0;
353
354 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355 if (parser->global.logical_minimum < 0)
356 parser->global.logical_maximum = item_sdata(item);
357 else
358 parser->global.logical_maximum = item_udata(item);
359 return 0;
360
361 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362 parser->global.physical_minimum = item_sdata(item);
363 return 0;
364
365 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366 if (parser->global.physical_minimum < 0)
367 parser->global.physical_maximum = item_sdata(item);
368 else
369 parser->global.physical_maximum = item_udata(item);
370 return 0;
371
372 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
373 /* Many devices provide unit exponent as a two's complement
374 * nibble due to the common misunderstanding of HID
375 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376 * both this and the standard encoding. */
377 raw_value = item_sdata(item);
378 if (!(raw_value & 0xfffffff0))
379 parser->global.unit_exponent = hid_snto32(raw_value, 4);
380 else
381 parser->global.unit_exponent = raw_value;
382 return 0;
383
384 case HID_GLOBAL_ITEM_TAG_UNIT:
385 parser->global.unit = item_udata(item);
386 return 0;
387
388 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389 parser->global.report_size = item_udata(item);
390 if (parser->global.report_size > 128) {
391 hid_err(parser->device, "invalid report_size %d\n",
392 parser->global.report_size);
393 return -1;
394 }
395 return 0;
396
397 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398 parser->global.report_count = item_udata(item);
399 if (parser->global.report_count > HID_MAX_USAGES) {
400 hid_err(parser->device, "invalid report_count %d\n",
401 parser->global.report_count);
402 return -1;
403 }
404 return 0;
405
406 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407 parser->global.report_id = item_udata(item);
408 if (parser->global.report_id == 0 ||
409 parser->global.report_id >= HID_MAX_IDS) {
410 hid_err(parser->device, "report_id %u is invalid\n",
411 parser->global.report_id);
412 return -1;
413 }
414 return 0;
415
416 default:
417 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
418 return -1;
419 }
420 }
421
422 /*
423 * Process a local item.
424 */
425
426 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427 {
428 __u32 data;
429 unsigned n;
430
431 data = item_udata(item);
432
433 switch (item->tag) {
434 case HID_LOCAL_ITEM_TAG_DELIMITER:
435
436 if (data) {
437 /*
438 * We treat items before the first delimiter
439 * as global to all usage sets (branch 0).
440 * In the moment we process only these global
441 * items and the first delimiter set.
442 */
443 if (parser->local.delimiter_depth != 0) {
444 hid_err(parser->device, "nested delimiters\n");
445 return -1;
446 }
447 parser->local.delimiter_depth++;
448 parser->local.delimiter_branch++;
449 } else {
450 if (parser->local.delimiter_depth < 1) {
451 hid_err(parser->device, "bogus close delimiter\n");
452 return -1;
453 }
454 parser->local.delimiter_depth--;
455 }
456 return 0;
457
458 case HID_LOCAL_ITEM_TAG_USAGE:
459
460 if (parser->local.delimiter_branch > 1) {
461 dbg_hid("alternative usage ignored\n");
462 return 0;
463 }
464
465 if (item->size <= 2)
466 data = (parser->global.usage_page << 16) + data;
467
468 return hid_add_usage(parser, data);
469
470 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471
472 if (parser->local.delimiter_branch > 1) {
473 dbg_hid("alternative usage ignored\n");
474 return 0;
475 }
476
477 if (item->size <= 2)
478 data = (parser->global.usage_page << 16) + data;
479
480 parser->local.usage_minimum = data;
481 return 0;
482
483 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484
485 if (parser->local.delimiter_branch > 1) {
486 dbg_hid("alternative usage ignored\n");
487 return 0;
488 }
489
490 if (item->size <= 2)
491 data = (parser->global.usage_page << 16) + data;
492
493 for (n = parser->local.usage_minimum; n <= data; n++)
494 if (hid_add_usage(parser, n)) {
495 dbg_hid("hid_add_usage failed\n");
496 return -1;
497 }
498 return 0;
499
500 default:
501
502 dbg_hid("unknown local item tag 0x%x\n", item->tag);
503 return 0;
504 }
505 return 0;
506 }
507
508 /*
509 * Process a main item.
510 */
511
512 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
513 {
514 __u32 data;
515 int ret;
516
517 data = item_udata(item);
518
519 switch (item->tag) {
520 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
521 ret = open_collection(parser, data & 0xff);
522 break;
523 case HID_MAIN_ITEM_TAG_END_COLLECTION:
524 ret = close_collection(parser);
525 break;
526 case HID_MAIN_ITEM_TAG_INPUT:
527 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
528 break;
529 case HID_MAIN_ITEM_TAG_OUTPUT:
530 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
531 break;
532 case HID_MAIN_ITEM_TAG_FEATURE:
533 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
534 break;
535 default:
536 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
537 ret = 0;
538 }
539
540 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
541
542 return ret;
543 }
544
545 /*
546 * Process a reserved item.
547 */
548
549 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
550 {
551 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
552 return 0;
553 }
554
555 /*
556 * Free a report and all registered fields. The field->usage and
557 * field->value table's are allocated behind the field, so we need
558 * only to free(field) itself.
559 */
560
561 static void hid_free_report(struct hid_report *report)
562 {
563 unsigned n;
564
565 for (n = 0; n < report->maxfield; n++)
566 kfree(report->field[n]);
567 kfree(report);
568 }
569
570 /*
571 * Close report. This function returns the device
572 * state to the point prior to hid_open_report().
573 */
574 static void hid_close_report(struct hid_device *device)
575 {
576 unsigned i, j;
577
578 for (i = 0; i < HID_REPORT_TYPES; i++) {
579 struct hid_report_enum *report_enum = device->report_enum + i;
580
581 for (j = 0; j < HID_MAX_IDS; j++) {
582 struct hid_report *report = report_enum->report_id_hash[j];
583 if (report)
584 hid_free_report(report);
585 }
586 memset(report_enum, 0, sizeof(*report_enum));
587 INIT_LIST_HEAD(&report_enum->report_list);
588 }
589
590 kfree(device->rdesc);
591 device->rdesc = NULL;
592 device->rsize = 0;
593
594 kfree(device->collection);
595 device->collection = NULL;
596 device->collection_size = 0;
597 device->maxcollection = 0;
598 device->maxapplication = 0;
599
600 device->status &= ~HID_STAT_PARSED;
601 }
602
603 /*
604 * Free a device structure, all reports, and all fields.
605 */
606
607 static void hid_device_release(struct device *dev)
608 {
609 struct hid_device *hid = container_of(dev, struct hid_device, dev);
610
611 hid_close_report(hid);
612 kfree(hid->dev_rdesc);
613 kfree(hid);
614 }
615
616 /*
617 * Fetch a report description item from the data stream. We support long
618 * items, though they are not used yet.
619 */
620
621 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
622 {
623 u8 b;
624
625 if ((end - start) <= 0)
626 return NULL;
627
628 b = *start++;
629
630 item->type = (b >> 2) & 3;
631 item->tag = (b >> 4) & 15;
632
633 if (item->tag == HID_ITEM_TAG_LONG) {
634
635 item->format = HID_ITEM_FORMAT_LONG;
636
637 if ((end - start) < 2)
638 return NULL;
639
640 item->size = *start++;
641 item->tag = *start++;
642
643 if ((end - start) < item->size)
644 return NULL;
645
646 item->data.longdata = start;
647 start += item->size;
648 return start;
649 }
650
651 item->format = HID_ITEM_FORMAT_SHORT;
652 item->size = b & 3;
653
654 switch (item->size) {
655 case 0:
656 return start;
657
658 case 1:
659 if ((end - start) < 1)
660 return NULL;
661 item->data.u8 = *start++;
662 return start;
663
664 case 2:
665 if ((end - start) < 2)
666 return NULL;
667 item->data.u16 = get_unaligned_le16(start);
668 start = (__u8 *)((__le16 *)start + 1);
669 return start;
670
671 case 3:
672 item->size++;
673 if ((end - start) < 4)
674 return NULL;
675 item->data.u32 = get_unaligned_le32(start);
676 start = (__u8 *)((__le32 *)start + 1);
677 return start;
678 }
679
680 return NULL;
681 }
682
683 static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
684 {
685 struct hid_device *hid = parser->device;
686
687 if (usage == HID_DG_CONTACTID)
688 hid->group = HID_GROUP_MULTITOUCH;
689 }
690
691 static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
692 {
693 if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
694 parser->global.report_size == 8)
695 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
696 }
697
698 static void hid_scan_collection(struct hid_parser *parser, unsigned type)
699 {
700 struct hid_device *hid = parser->device;
701
702 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
703 type == HID_COLLECTION_PHYSICAL)
704 hid->group = HID_GROUP_SENSOR_HUB;
705 }
706
707 static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
708 {
709 __u32 data;
710 int i;
711
712 data = item_udata(item);
713
714 switch (item->tag) {
715 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
716 hid_scan_collection(parser, data & 0xff);
717 break;
718 case HID_MAIN_ITEM_TAG_END_COLLECTION:
719 break;
720 case HID_MAIN_ITEM_TAG_INPUT:
721 /* ignore constant inputs, they will be ignored by hid-input */
722 if (data & HID_MAIN_ITEM_CONSTANT)
723 break;
724 for (i = 0; i < parser->local.usage_index; i++)
725 hid_scan_input_usage(parser, parser->local.usage[i]);
726 break;
727 case HID_MAIN_ITEM_TAG_OUTPUT:
728 break;
729 case HID_MAIN_ITEM_TAG_FEATURE:
730 for (i = 0; i < parser->local.usage_index; i++)
731 hid_scan_feature_usage(parser, parser->local.usage[i]);
732 break;
733 }
734
735 /* Reset the local parser environment */
736 memset(&parser->local, 0, sizeof(parser->local));
737
738 return 0;
739 }
740
741 /*
742 * Scan a report descriptor before the device is added to the bus.
743 * Sets device groups and other properties that determine what driver
744 * to load.
745 */
746 static int hid_scan_report(struct hid_device *hid)
747 {
748 struct hid_parser *parser;
749 struct hid_item item;
750 __u8 *start = hid->dev_rdesc;
751 __u8 *end = start + hid->dev_rsize;
752 static int (*dispatch_type[])(struct hid_parser *parser,
753 struct hid_item *item) = {
754 hid_scan_main,
755 hid_parser_global,
756 hid_parser_local,
757 hid_parser_reserved
758 };
759
760 parser = vzalloc(sizeof(struct hid_parser));
761 if (!parser)
762 return -ENOMEM;
763
764 parser->device = hid;
765 hid->group = HID_GROUP_GENERIC;
766
767 /*
768 * The parsing is simpler than the one in hid_open_report() as we should
769 * be robust against hid errors. Those errors will be raised by
770 * hid_open_report() anyway.
771 */
772 while ((start = fetch_item(start, end, &item)) != NULL)
773 dispatch_type[item.type](parser, &item);
774
775 /*
776 * Handle special flags set during scanning.
777 */
778 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
779 (hid->group == HID_GROUP_MULTITOUCH))
780 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
781
782 /*
783 * Vendor specific handlings
784 */
785 if ((hid->vendor == USB_VENDOR_ID_SYNAPTICS) &&
786 (hid->group == HID_GROUP_GENERIC) &&
787 /* only bind to the mouse interface of composite USB devices */
788 (hid->bus != BUS_USB || hid->type == HID_TYPE_USBMOUSE))
789 /* hid-rmi should take care of them, not hid-generic */
790 hid->group = HID_GROUP_RMI;
791
792 /*
793 * Vendor specific handlings
794 */
795 switch (hid->vendor) {
796 case USB_VENDOR_ID_WACOM:
797 hid->group = HID_GROUP_WACOM;
798 break;
799 }
800
801 vfree(parser);
802 return 0;
803 }
804
805 /**
806 * hid_parse_report - parse device report
807 *
808 * @device: hid device
809 * @start: report start
810 * @size: report size
811 *
812 * Allocate the device report as read by the bus driver. This function should
813 * only be called from parse() in ll drivers.
814 */
815 int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
816 {
817 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
818 if (!hid->dev_rdesc)
819 return -ENOMEM;
820 hid->dev_rsize = size;
821 return 0;
822 }
823 EXPORT_SYMBOL_GPL(hid_parse_report);
824
825 static const char * const hid_report_names[] = {
826 "HID_INPUT_REPORT",
827 "HID_OUTPUT_REPORT",
828 "HID_FEATURE_REPORT",
829 };
830 /**
831 * hid_validate_values - validate existing device report's value indexes
832 *
833 * @device: hid device
834 * @type: which report type to examine
835 * @id: which report ID to examine (0 for first)
836 * @field_index: which report field to examine
837 * @report_counts: expected number of values
838 *
839 * Validate the number of values in a given field of a given report, after
840 * parsing.
841 */
842 struct hid_report *hid_validate_values(struct hid_device *hid,
843 unsigned int type, unsigned int id,
844 unsigned int field_index,
845 unsigned int report_counts)
846 {
847 struct hid_report *report;
848
849 if (type > HID_FEATURE_REPORT) {
850 hid_err(hid, "invalid HID report type %u\n", type);
851 return NULL;
852 }
853
854 if (id >= HID_MAX_IDS) {
855 hid_err(hid, "invalid HID report id %u\n", id);
856 return NULL;
857 }
858
859 /*
860 * Explicitly not using hid_get_report() here since it depends on
861 * ->numbered being checked, which may not always be the case when
862 * drivers go to access report values.
863 */
864 if (id == 0) {
865 /*
866 * Validating on id 0 means we should examine the first
867 * report in the list.
868 */
869 report = list_entry(
870 hid->report_enum[type].report_list.next,
871 struct hid_report, list);
872 } else {
873 report = hid->report_enum[type].report_id_hash[id];
874 }
875 if (!report) {
876 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
877 return NULL;
878 }
879 if (report->maxfield <= field_index) {
880 hid_err(hid, "not enough fields in %s %u\n",
881 hid_report_names[type], id);
882 return NULL;
883 }
884 if (report->field[field_index]->report_count < report_counts) {
885 hid_err(hid, "not enough values in %s %u field %u\n",
886 hid_report_names[type], id, field_index);
887 return NULL;
888 }
889 return report;
890 }
891 EXPORT_SYMBOL_GPL(hid_validate_values);
892
893 /**
894 * hid_open_report - open a driver-specific device report
895 *
896 * @device: hid device
897 *
898 * Parse a report description into a hid_device structure. Reports are
899 * enumerated, fields are attached to these reports.
900 * 0 returned on success, otherwise nonzero error value.
901 *
902 * This function (or the equivalent hid_parse() macro) should only be
903 * called from probe() in drivers, before starting the device.
904 */
905 int hid_open_report(struct hid_device *device)
906 {
907 struct hid_parser *parser;
908 struct hid_item item;
909 unsigned int size;
910 __u8 *start;
911 __u8 *buf;
912 __u8 *end;
913 int ret;
914 static int (*dispatch_type[])(struct hid_parser *parser,
915 struct hid_item *item) = {
916 hid_parser_main,
917 hid_parser_global,
918 hid_parser_local,
919 hid_parser_reserved
920 };
921
922 if (WARN_ON(device->status & HID_STAT_PARSED))
923 return -EBUSY;
924
925 start = device->dev_rdesc;
926 if (WARN_ON(!start))
927 return -ENODEV;
928 size = device->dev_rsize;
929
930 buf = kmemdup(start, size, GFP_KERNEL);
931 if (buf == NULL)
932 return -ENOMEM;
933
934 if (device->driver->report_fixup)
935 start = device->driver->report_fixup(device, buf, &size);
936 else
937 start = buf;
938
939 start = kmemdup(start, size, GFP_KERNEL);
940 kfree(buf);
941 if (start == NULL)
942 return -ENOMEM;
943
944 device->rdesc = start;
945 device->rsize = size;
946
947 parser = vzalloc(sizeof(struct hid_parser));
948 if (!parser) {
949 ret = -ENOMEM;
950 goto err;
951 }
952
953 parser->device = device;
954
955 end = start + size;
956
957 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
958 sizeof(struct hid_collection), GFP_KERNEL);
959 if (!device->collection) {
960 ret = -ENOMEM;
961 goto err;
962 }
963 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
964
965 ret = -EINVAL;
966 while ((start = fetch_item(start, end, &item)) != NULL) {
967
968 if (item.format != HID_ITEM_FORMAT_SHORT) {
969 hid_err(device, "unexpected long global item\n");
970 goto err;
971 }
972
973 if (dispatch_type[item.type](parser, &item)) {
974 hid_err(device, "item %u %u %u %u parsing failed\n",
975 item.format, (unsigned)item.size,
976 (unsigned)item.type, (unsigned)item.tag);
977 goto err;
978 }
979
980 if (start == end) {
981 if (parser->collection_stack_ptr) {
982 hid_err(device, "unbalanced collection at end of report description\n");
983 goto err;
984 }
985 if (parser->local.delimiter_depth) {
986 hid_err(device, "unbalanced delimiter at end of report description\n");
987 goto err;
988 }
989 vfree(parser);
990 device->status |= HID_STAT_PARSED;
991 return 0;
992 }
993 }
994
995 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
996 err:
997 vfree(parser);
998 hid_close_report(device);
999 return ret;
1000 }
1001 EXPORT_SYMBOL_GPL(hid_open_report);
1002
1003 /*
1004 * Convert a signed n-bit integer to signed 32-bit integer. Common
1005 * cases are done through the compiler, the screwed things has to be
1006 * done by hand.
1007 */
1008
1009 static s32 snto32(__u32 value, unsigned n)
1010 {
1011 switch (n) {
1012 case 8: return ((__s8)value);
1013 case 16: return ((__s16)value);
1014 case 32: return ((__s32)value);
1015 }
1016 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1017 }
1018
1019 s32 hid_snto32(__u32 value, unsigned n)
1020 {
1021 return snto32(value, n);
1022 }
1023 EXPORT_SYMBOL_GPL(hid_snto32);
1024
1025 /*
1026 * Convert a signed 32-bit integer to a signed n-bit integer.
1027 */
1028
1029 static u32 s32ton(__s32 value, unsigned n)
1030 {
1031 s32 a = value >> (n - 1);
1032 if (a && a != -1)
1033 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1034 return value & ((1 << n) - 1);
1035 }
1036
1037 /*
1038 * Extract/implement a data field from/to a little endian report (bit array).
1039 *
1040 * Code sort-of follows HID spec:
1041 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1042 *
1043 * While the USB HID spec allows unlimited length bit fields in "report
1044 * descriptors", most devices never use more than 16 bits.
1045 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1046 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1047 */
1048
1049 static __u32 extract(const struct hid_device *hid, __u8 *report,
1050 unsigned offset, unsigned n)
1051 {
1052 u64 x;
1053
1054 if (n > 32)
1055 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1056 n, current->comm);
1057
1058 report += offset >> 3; /* adjust byte index */
1059 offset &= 7; /* now only need bit offset into one byte */
1060 x = get_unaligned_le64(report);
1061 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
1062 return (u32) x;
1063 }
1064
1065 /*
1066 * "implement" : set bits in a little endian bit stream.
1067 * Same concepts as "extract" (see comments above).
1068 * The data mangled in the bit stream remains in little endian
1069 * order the whole time. It make more sense to talk about
1070 * endianness of register values by considering a register
1071 * a "cached" copy of the little endiad bit stream.
1072 */
1073 static void implement(const struct hid_device *hid, __u8 *report,
1074 unsigned offset, unsigned n, __u32 value)
1075 {
1076 u64 x;
1077 u64 m = (1ULL << n) - 1;
1078
1079 if (n > 32)
1080 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1081 __func__, n, current->comm);
1082
1083 if (value > m)
1084 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1085 __func__, value, current->comm);
1086 WARN_ON(value > m);
1087 value &= m;
1088
1089 report += offset >> 3;
1090 offset &= 7;
1091
1092 x = get_unaligned_le64(report);
1093 x &= ~(m << offset);
1094 x |= ((u64)value) << offset;
1095 put_unaligned_le64(x, report);
1096 }
1097
1098 /*
1099 * Search an array for a value.
1100 */
1101
1102 static int search(__s32 *array, __s32 value, unsigned n)
1103 {
1104 while (n--) {
1105 if (*array++ == value)
1106 return 0;
1107 }
1108 return -1;
1109 }
1110
1111 /**
1112 * hid_match_report - check if driver's raw_event should be called
1113 *
1114 * @hid: hid device
1115 * @report_type: type to match against
1116 *
1117 * compare hid->driver->report_table->report_type to report->type
1118 */
1119 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
1120 {
1121 const struct hid_report_id *id = hid->driver->report_table;
1122
1123 if (!id) /* NULL means all */
1124 return 1;
1125
1126 for (; id->report_type != HID_TERMINATOR; id++)
1127 if (id->report_type == HID_ANY_ID ||
1128 id->report_type == report->type)
1129 return 1;
1130 return 0;
1131 }
1132
1133 /**
1134 * hid_match_usage - check if driver's event should be called
1135 *
1136 * @hid: hid device
1137 * @usage: usage to match against
1138 *
1139 * compare hid->driver->usage_table->usage_{type,code} to
1140 * usage->usage_{type,code}
1141 */
1142 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1143 {
1144 const struct hid_usage_id *id = hid->driver->usage_table;
1145
1146 if (!id) /* NULL means all */
1147 return 1;
1148
1149 for (; id->usage_type != HID_ANY_ID - 1; id++)
1150 if ((id->usage_hid == HID_ANY_ID ||
1151 id->usage_hid == usage->hid) &&
1152 (id->usage_type == HID_ANY_ID ||
1153 id->usage_type == usage->type) &&
1154 (id->usage_code == HID_ANY_ID ||
1155 id->usage_code == usage->code))
1156 return 1;
1157 return 0;
1158 }
1159
1160 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1161 struct hid_usage *usage, __s32 value, int interrupt)
1162 {
1163 struct hid_driver *hdrv = hid->driver;
1164 int ret;
1165
1166 if (!list_empty(&hid->debug_list))
1167 hid_dump_input(hid, usage, value);
1168
1169 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1170 ret = hdrv->event(hid, field, usage, value);
1171 if (ret != 0) {
1172 if (ret < 0)
1173 hid_err(hid, "%s's event failed with %d\n",
1174 hdrv->name, ret);
1175 return;
1176 }
1177 }
1178
1179 if (hid->claimed & HID_CLAIMED_INPUT)
1180 hidinput_hid_event(hid, field, usage, value);
1181 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1182 hid->hiddev_hid_event(hid, field, usage, value);
1183 }
1184
1185 /*
1186 * Analyse a received field, and fetch the data from it. The field
1187 * content is stored for next report processing (we do differential
1188 * reporting to the layer).
1189 */
1190
1191 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1192 __u8 *data, int interrupt)
1193 {
1194 unsigned n;
1195 unsigned count = field->report_count;
1196 unsigned offset = field->report_offset;
1197 unsigned size = field->report_size;
1198 __s32 min = field->logical_minimum;
1199 __s32 max = field->logical_maximum;
1200 __s32 *value;
1201
1202 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1203 if (!value)
1204 return;
1205
1206 for (n = 0; n < count; n++) {
1207
1208 value[n] = min < 0 ?
1209 snto32(extract(hid, data, offset + n * size, size),
1210 size) :
1211 extract(hid, data, offset + n * size, size);
1212
1213 /* Ignore report if ErrorRollOver */
1214 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1215 value[n] >= min && value[n] <= max &&
1216 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1217 goto exit;
1218 }
1219
1220 for (n = 0; n < count; n++) {
1221
1222 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1223 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1224 continue;
1225 }
1226
1227 if (field->value[n] >= min && field->value[n] <= max
1228 && field->usage[field->value[n] - min].hid
1229 && search(value, field->value[n], count))
1230 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1231
1232 if (value[n] >= min && value[n] <= max
1233 && field->usage[value[n] - min].hid
1234 && search(field->value, value[n], count))
1235 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1236 }
1237
1238 memcpy(field->value, value, count * sizeof(__s32));
1239 exit:
1240 kfree(value);
1241 }
1242
1243 /*
1244 * Output the field into the report.
1245 */
1246
1247 static void hid_output_field(const struct hid_device *hid,
1248 struct hid_field *field, __u8 *data)
1249 {
1250 unsigned count = field->report_count;
1251 unsigned offset = field->report_offset;
1252 unsigned size = field->report_size;
1253 unsigned n;
1254
1255 for (n = 0; n < count; n++) {
1256 if (field->logical_minimum < 0) /* signed values */
1257 implement(hid, data, offset + n * size, size,
1258 s32ton(field->value[n], size));
1259 else /* unsigned values */
1260 implement(hid, data, offset + n * size, size,
1261 field->value[n]);
1262 }
1263 }
1264
1265 /*
1266 * Create a report. 'data' has to be allocated using
1267 * hid_alloc_report_buf() so that it has proper size.
1268 */
1269
1270 void hid_output_report(struct hid_report *report, __u8 *data)
1271 {
1272 unsigned n;
1273
1274 if (report->id > 0)
1275 *data++ = report->id;
1276
1277 memset(data, 0, ((report->size - 1) >> 3) + 1);
1278 for (n = 0; n < report->maxfield; n++)
1279 hid_output_field(report->device, report->field[n], data);
1280 }
1281 EXPORT_SYMBOL_GPL(hid_output_report);
1282
1283 static int hid_report_len(struct hid_report *report)
1284 {
1285 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
1286 return ((report->size - 1) >> 3) + 1 + (report->id > 0);
1287 }
1288
1289 /*
1290 * Allocator for buffer that is going to be passed to hid_output_report()
1291 */
1292 u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1293 {
1294 /*
1295 * 7 extra bytes are necessary to achieve proper functionality
1296 * of implement() working on 8 byte chunks
1297 */
1298
1299 int len = hid_report_len(report) + 7;
1300
1301 return kmalloc(len, flags);
1302 }
1303 EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1304
1305 /*
1306 * Set a field value. The report this field belongs to has to be
1307 * created and transferred to the device, to set this value in the
1308 * device.
1309 */
1310
1311 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1312 {
1313 unsigned size;
1314
1315 if (!field)
1316 return -1;
1317
1318 size = field->report_size;
1319
1320 hid_dump_input(field->report->device, field->usage + offset, value);
1321
1322 if (offset >= field->report_count) {
1323 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1324 offset, field->report_count);
1325 return -1;
1326 }
1327 if (field->logical_minimum < 0) {
1328 if (value != snto32(s32ton(value, size), size)) {
1329 hid_err(field->report->device, "value %d is out of range\n", value);
1330 return -1;
1331 }
1332 }
1333 field->value[offset] = value;
1334 return 0;
1335 }
1336 EXPORT_SYMBOL_GPL(hid_set_field);
1337
1338 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1339 const u8 *data)
1340 {
1341 struct hid_report *report;
1342 unsigned int n = 0; /* Normally report number is 0 */
1343
1344 /* Device uses numbered reports, data[0] is report number */
1345 if (report_enum->numbered)
1346 n = *data;
1347
1348 report = report_enum->report_id_hash[n];
1349 if (report == NULL)
1350 dbg_hid("undefined report_id %u received\n", n);
1351
1352 return report;
1353 }
1354
1355 /*
1356 * Implement a generic .request() callback, using .raw_request()
1357 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1358 */
1359 void __hid_request(struct hid_device *hid, struct hid_report *report,
1360 int reqtype)
1361 {
1362 char *buf;
1363 int ret;
1364 int len;
1365
1366 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1367 if (!buf)
1368 return;
1369
1370 len = hid_report_len(report);
1371
1372 if (reqtype == HID_REQ_SET_REPORT)
1373 hid_output_report(report, buf);
1374
1375 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1376 report->type, reqtype);
1377 if (ret < 0) {
1378 dbg_hid("unable to complete request: %d\n", ret);
1379 goto out;
1380 }
1381
1382 if (reqtype == HID_REQ_GET_REPORT)
1383 hid_input_report(hid, report->type, buf, ret, 0);
1384
1385 out:
1386 kfree(buf);
1387 }
1388 EXPORT_SYMBOL_GPL(__hid_request);
1389
1390 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1391 int interrupt)
1392 {
1393 struct hid_report_enum *report_enum = hid->report_enum + type;
1394 struct hid_report *report;
1395 struct hid_driver *hdrv;
1396 unsigned int a;
1397 int rsize, csize = size;
1398 u8 *cdata = data;
1399 int ret = 0;
1400
1401 report = hid_get_report(report_enum, data);
1402 if (!report)
1403 goto out;
1404
1405 if (report_enum->numbered) {
1406 cdata++;
1407 csize--;
1408 }
1409
1410 rsize = ((report->size - 1) >> 3) + 1;
1411
1412 if (rsize > HID_MAX_BUFFER_SIZE)
1413 rsize = HID_MAX_BUFFER_SIZE;
1414
1415 if (csize < rsize) {
1416 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1417 csize, rsize);
1418 memset(cdata + csize, 0, rsize - csize);
1419 }
1420
1421 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1422 hid->hiddev_report_event(hid, report);
1423 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1424 ret = hidraw_report_event(hid, data, size);
1425 if (ret)
1426 goto out;
1427 }
1428
1429 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
1430 for (a = 0; a < report->maxfield; a++)
1431 hid_input_field(hid, report->field[a], cdata, interrupt);
1432 hdrv = hid->driver;
1433 if (hdrv && hdrv->report)
1434 hdrv->report(hid, report);
1435 }
1436
1437 if (hid->claimed & HID_CLAIMED_INPUT)
1438 hidinput_report_event(hid, report);
1439 out:
1440 return ret;
1441 }
1442 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1443
1444 /**
1445 * hid_input_report - report data from lower layer (usb, bt...)
1446 *
1447 * @hid: hid device
1448 * @type: HID report type (HID_*_REPORT)
1449 * @data: report contents
1450 * @size: size of data parameter
1451 * @interrupt: distinguish between interrupt and control transfers
1452 *
1453 * This is data entry for lower layers.
1454 */
1455 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1456 {
1457 struct hid_report_enum *report_enum;
1458 struct hid_driver *hdrv;
1459 struct hid_report *report;
1460 int ret = 0;
1461
1462 if (!hid)
1463 return -ENODEV;
1464
1465 if (down_trylock(&hid->driver_input_lock))
1466 return -EBUSY;
1467
1468 if (!hid->driver) {
1469 ret = -ENODEV;
1470 goto unlock;
1471 }
1472 report_enum = hid->report_enum + type;
1473 hdrv = hid->driver;
1474
1475 if (!size) {
1476 dbg_hid("empty report\n");
1477 ret = -1;
1478 goto unlock;
1479 }
1480
1481 /* Avoid unnecessary overhead if debugfs is disabled */
1482 if (!list_empty(&hid->debug_list))
1483 hid_dump_report(hid, type, data, size);
1484
1485 report = hid_get_report(report_enum, data);
1486
1487 if (!report) {
1488 ret = -1;
1489 goto unlock;
1490 }
1491
1492 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1493 ret = hdrv->raw_event(hid, report, data, size);
1494 if (ret < 0)
1495 goto unlock;
1496 }
1497
1498 ret = hid_report_raw_event(hid, type, data, size, interrupt);
1499
1500 unlock:
1501 up(&hid->driver_input_lock);
1502 return ret;
1503 }
1504 EXPORT_SYMBOL_GPL(hid_input_report);
1505
1506 static bool hid_match_one_id(struct hid_device *hdev,
1507 const struct hid_device_id *id)
1508 {
1509 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
1510 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
1511 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1512 (id->product == HID_ANY_ID || id->product == hdev->product);
1513 }
1514
1515 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1516 const struct hid_device_id *id)
1517 {
1518 for (; id->bus; id++)
1519 if (hid_match_one_id(hdev, id))
1520 return id;
1521
1522 return NULL;
1523 }
1524
1525 static const struct hid_device_id hid_hiddev_list[] = {
1526 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1528 { }
1529 };
1530
1531 static bool hid_hiddev(struct hid_device *hdev)
1532 {
1533 return !!hid_match_id(hdev, hid_hiddev_list);
1534 }
1535
1536
1537 static ssize_t
1538 read_report_descriptor(struct file *filp, struct kobject *kobj,
1539 struct bin_attribute *attr,
1540 char *buf, loff_t off, size_t count)
1541 {
1542 struct device *dev = container_of(kobj, struct device, kobj);
1543 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1544
1545 if (off >= hdev->rsize)
1546 return 0;
1547
1548 if (off + count > hdev->rsize)
1549 count = hdev->rsize - off;
1550
1551 memcpy(buf, hdev->rdesc + off, count);
1552
1553 return count;
1554 }
1555
1556 static struct bin_attribute dev_bin_attr_report_desc = {
1557 .attr = { .name = "report_descriptor", .mode = 0444 },
1558 .read = read_report_descriptor,
1559 .size = HID_MAX_DESCRIPTOR_SIZE,
1560 };
1561
1562 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1563 {
1564 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1565 "Joystick", "Gamepad", "Keyboard", "Keypad",
1566 "Multi-Axis Controller"
1567 };
1568 const char *type, *bus;
1569 char buf[64];
1570 unsigned int i;
1571 int len;
1572 int ret;
1573
1574 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1575 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1576 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1577 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1578 if (hdev->bus != BUS_USB)
1579 connect_mask &= ~HID_CONNECT_HIDDEV;
1580 if (hid_hiddev(hdev))
1581 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1582
1583 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1584 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1585 hdev->claimed |= HID_CLAIMED_INPUT;
1586
1587 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1588 !hdev->hiddev_connect(hdev,
1589 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1590 hdev->claimed |= HID_CLAIMED_HIDDEV;
1591 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1592 hdev->claimed |= HID_CLAIMED_HIDRAW;
1593
1594 if (connect_mask & HID_CONNECT_DRIVER)
1595 hdev->claimed |= HID_CLAIMED_DRIVER;
1596
1597 /* Drivers with the ->raw_event callback set are not required to connect
1598 * to any other listener. */
1599 if (!hdev->claimed && !hdev->driver->raw_event) {
1600 hid_err(hdev, "device has no listeners, quitting\n");
1601 return -ENODEV;
1602 }
1603
1604 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1605 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1606 hdev->ff_init(hdev);
1607
1608 len = 0;
1609 if (hdev->claimed & HID_CLAIMED_INPUT)
1610 len += sprintf(buf + len, "input");
1611 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1612 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1613 hdev->minor);
1614 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1615 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1616 ((struct hidraw *)hdev->hidraw)->minor);
1617
1618 type = "Device";
1619 for (i = 0; i < hdev->maxcollection; i++) {
1620 struct hid_collection *col = &hdev->collection[i];
1621 if (col->type == HID_COLLECTION_APPLICATION &&
1622 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1623 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1624 type = types[col->usage & 0xffff];
1625 break;
1626 }
1627 }
1628
1629 switch (hdev->bus) {
1630 case BUS_USB:
1631 bus = "USB";
1632 break;
1633 case BUS_BLUETOOTH:
1634 bus = "BLUETOOTH";
1635 break;
1636 default:
1637 bus = "<UNKNOWN>";
1638 }
1639
1640 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1641 if (ret)
1642 hid_warn(hdev,
1643 "can't create sysfs report descriptor attribute err: %d\n", ret);
1644
1645 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1646 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1647 type, hdev->name, hdev->phys);
1648
1649 return 0;
1650 }
1651 EXPORT_SYMBOL_GPL(hid_connect);
1652
1653 void hid_disconnect(struct hid_device *hdev)
1654 {
1655 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1656 if (hdev->claimed & HID_CLAIMED_INPUT)
1657 hidinput_disconnect(hdev);
1658 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1659 hdev->hiddev_disconnect(hdev);
1660 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1661 hidraw_disconnect(hdev);
1662 }
1663 EXPORT_SYMBOL_GPL(hid_disconnect);
1664
1665 /*
1666 * A list of devices for which there is a specialized driver on HID bus.
1667 *
1668 * Please note that for multitouch devices (driven by hid-multitouch driver),
1669 * there is a proper autodetection and autoloading in place (based on presence
1670 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1671 * as we are doing the right thing in hid_scan_usage().
1672 *
1673 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1674 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1675 * used as a driver. See hid_scan_report().
1676 */
1677 static const struct hid_device_id hid_have_special_driver[] = {
1678 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1679 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1680 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1681 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1682 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
1683 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1684 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1685 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1686 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1687 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1688 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1689 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1690 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1691 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1692 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1694 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1695 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1697 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1698 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1699 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1708 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1709 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1710 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
1711 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1712 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1713 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1714 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1721 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1722 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1723 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1724 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1725 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1726 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1729 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1730 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1731 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1732 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1733 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1734 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1735 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1736 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1737 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1738 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1739 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1740 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1741 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1742 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1743 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1744 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1747 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1748 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1749 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
1750 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1751 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1752 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
1753 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1754 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1755 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1756 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1757 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1758 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
1759 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1760 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1761 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
1762 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1763 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1764 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1765 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1766 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1767 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1768 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1769 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1770 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1771 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1772 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
1773 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1774 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1775 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1776 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1777 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1778 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1779 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1780 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1781 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1782 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
1783 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1784 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1785 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1786 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1787 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1788 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1789 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1790 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1791 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1792 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1793 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
1794 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1795 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
1797 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
1798 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
1799 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
1800 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
1801 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
1802 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
1803 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1804 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1805 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
1806 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
1807 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
1808 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1809 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1810 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1811 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1812 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1813 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1814 #if IS_ENABLED(CONFIG_HID_LENOVO)
1815 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1816 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1817 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
1818 #endif
1819 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1820 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1821 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1822 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1823 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
1824 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1825 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1826 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1827 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1828 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1829 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1830 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1831 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1832 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1833 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1834 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1835 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1836 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1837 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1838 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1839 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1840 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
1841 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1842 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1843 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1844 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1845 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1846 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1847 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1848 #endif
1849 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1850 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1851 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1852 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1853 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1854 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1856 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1857 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
1859 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1860 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1862 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
1864 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1865 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
1866 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1867 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1868 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1869 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1870 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1871 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1872 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1873 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1874 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1877 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1878 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1879 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1880 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1883 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1884 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1885 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1886 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1888 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1890 #if IS_ENABLED(CONFIG_HID_ROCCAT)
1891 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1893 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1894 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
1901 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1904 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
1907 #endif
1908 #if IS_ENABLED(CONFIG_HID_SAITEK)
1909 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1910 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1912 #endif
1913 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1914 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1915 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1916 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1917 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
1918 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
1919 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1920 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1921 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1922 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1923 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1924 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1926 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
1927 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1928 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
1929 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1930 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1931 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1932 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1933 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1934 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1935 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1936 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1937 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1938 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1939 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1940 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1941 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1942 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1943 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1944 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
1949 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
1962 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1963 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
1964 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1965 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1967
1968 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1969 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1970 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
1971 { }
1972 };
1973
1974 struct hid_dynid {
1975 struct list_head list;
1976 struct hid_device_id id;
1977 };
1978
1979 /**
1980 * store_new_id - add a new HID device ID to this driver and re-probe devices
1981 * @driver: target device driver
1982 * @buf: buffer for scanning device ID data
1983 * @count: input size
1984 *
1985 * Adds a new dynamic hid device ID to this driver,
1986 * and causes the driver to probe for all devices again.
1987 */
1988 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1989 size_t count)
1990 {
1991 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1992 struct hid_dynid *dynid;
1993 __u32 bus, vendor, product;
1994 unsigned long driver_data = 0;
1995 int ret;
1996
1997 ret = sscanf(buf, "%x %x %x %lx",
1998 &bus, &vendor, &product, &driver_data);
1999 if (ret < 3)
2000 return -EINVAL;
2001
2002 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2003 if (!dynid)
2004 return -ENOMEM;
2005
2006 dynid->id.bus = bus;
2007 dynid->id.group = HID_GROUP_ANY;
2008 dynid->id.vendor = vendor;
2009 dynid->id.product = product;
2010 dynid->id.driver_data = driver_data;
2011
2012 spin_lock(&hdrv->dyn_lock);
2013 list_add_tail(&dynid->list, &hdrv->dyn_list);
2014 spin_unlock(&hdrv->dyn_lock);
2015
2016 ret = driver_attach(&hdrv->driver);
2017
2018 return ret ? : count;
2019 }
2020 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2021
2022 static void hid_free_dynids(struct hid_driver *hdrv)
2023 {
2024 struct hid_dynid *dynid, *n;
2025
2026 spin_lock(&hdrv->dyn_lock);
2027 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2028 list_del(&dynid->list);
2029 kfree(dynid);
2030 }
2031 spin_unlock(&hdrv->dyn_lock);
2032 }
2033
2034 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2035 struct hid_driver *hdrv)
2036 {
2037 struct hid_dynid *dynid;
2038
2039 spin_lock(&hdrv->dyn_lock);
2040 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2041 if (hid_match_one_id(hdev, &dynid->id)) {
2042 spin_unlock(&hdrv->dyn_lock);
2043 return &dynid->id;
2044 }
2045 }
2046 spin_unlock(&hdrv->dyn_lock);
2047
2048 return hid_match_id(hdev, hdrv->id_table);
2049 }
2050
2051 static int hid_bus_match(struct device *dev, struct device_driver *drv)
2052 {
2053 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2054 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2055
2056 return hid_match_device(hdev, hdrv) != NULL;
2057 }
2058
2059 static int hid_device_probe(struct device *dev)
2060 {
2061 struct hid_driver *hdrv = container_of(dev->driver,
2062 struct hid_driver, driver);
2063 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2064 const struct hid_device_id *id;
2065 int ret = 0;
2066
2067 if (down_interruptible(&hdev->driver_lock))
2068 return -EINTR;
2069 if (down_interruptible(&hdev->driver_input_lock)) {
2070 ret = -EINTR;
2071 goto unlock_driver_lock;
2072 }
2073 hdev->io_started = false;
2074
2075 if (!hdev->driver) {
2076 id = hid_match_device(hdev, hdrv);
2077 if (id == NULL) {
2078 ret = -ENODEV;
2079 goto unlock;
2080 }
2081
2082 hdev->driver = hdrv;
2083 if (hdrv->probe) {
2084 ret = hdrv->probe(hdev, id);
2085 } else { /* default probe */
2086 ret = hid_open_report(hdev);
2087 if (!ret)
2088 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
2089 }
2090 if (ret) {
2091 hid_close_report(hdev);
2092 hdev->driver = NULL;
2093 }
2094 }
2095 unlock:
2096 if (!hdev->io_started)
2097 up(&hdev->driver_input_lock);
2098 unlock_driver_lock:
2099 up(&hdev->driver_lock);
2100 return ret;
2101 }
2102
2103 static int hid_device_remove(struct device *dev)
2104 {
2105 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2106 struct hid_driver *hdrv;
2107 int ret = 0;
2108
2109 if (down_interruptible(&hdev->driver_lock))
2110 return -EINTR;
2111 if (down_interruptible(&hdev->driver_input_lock)) {
2112 ret = -EINTR;
2113 goto unlock_driver_lock;
2114 }
2115 hdev->io_started = false;
2116
2117 hdrv = hdev->driver;
2118 if (hdrv) {
2119 if (hdrv->remove)
2120 hdrv->remove(hdev);
2121 else /* default remove */
2122 hid_hw_stop(hdev);
2123 hid_close_report(hdev);
2124 hdev->driver = NULL;
2125 }
2126
2127 if (!hdev->io_started)
2128 up(&hdev->driver_input_lock);
2129 unlock_driver_lock:
2130 up(&hdev->driver_lock);
2131 return ret;
2132 }
2133
2134 static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2135 char *buf)
2136 {
2137 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2138 int len;
2139
2140 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2141 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2142
2143 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2144 }
2145 static DEVICE_ATTR_RO(modalias);
2146
2147 static struct attribute *hid_dev_attrs[] = {
2148 &dev_attr_modalias.attr,
2149 NULL,
2150 };
2151 ATTRIBUTE_GROUPS(hid_dev);
2152
2153 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2154 {
2155 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2156
2157 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2158 hdev->bus, hdev->vendor, hdev->product))
2159 return -ENOMEM;
2160
2161 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2162 return -ENOMEM;
2163
2164 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2165 return -ENOMEM;
2166
2167 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2168 return -ENOMEM;
2169
2170 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2171 hdev->bus, hdev->group, hdev->vendor, hdev->product))
2172 return -ENOMEM;
2173
2174 return 0;
2175 }
2176
2177 static struct bus_type hid_bus_type = {
2178 .name = "hid",
2179 .dev_groups = hid_dev_groups,
2180 .match = hid_bus_match,
2181 .probe = hid_device_probe,
2182 .remove = hid_device_remove,
2183 .uevent = hid_uevent,
2184 };
2185
2186 /* a list of devices that shouldn't be handled by HID core at all */
2187 static const struct hid_device_id hid_ignore_list[] = {
2188 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2189 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2190 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2191 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2192 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2193 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2194 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2195 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2196 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2197 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2198 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2199 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
2200 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2201 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
2202 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
2203 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
2204 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2205 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2206 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
2207 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
2208 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2209 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2210 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
2211 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
2212 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2213 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
2214 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
2215 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
2216 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
2217 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
2218 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
2219 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
2220 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
2221 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2222 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2223 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2224 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2225 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2226 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2227 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2228 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2229 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2230 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2231 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2232 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2233 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2234 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2235 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
2236 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
2237 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2238 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2239 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2240 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2241 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2242 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2243 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2244 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2245 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2246 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2247 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2248 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2249 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2250 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2251 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2252 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2253 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2254 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2255 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2256 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2257 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2258 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2259 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2260 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2261 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2262 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2263 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2264 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2265 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2266 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2267 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2268 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2269 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2270 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2271 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2272 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2273 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2274 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2275 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2276 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2277 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2278 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2279 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2280 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2281 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2282 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2283 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2284 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2285 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
2286 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
2287 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
2288 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
2289 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
2290 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
2291 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
2292 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
2293 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
2294 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
2295 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
2296 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2297 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2298 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2299 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2300 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2301 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
2302 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2303 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2304 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
2305 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2306 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2307 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
2308 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2309 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
2310 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
2311 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2312 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2313 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2314 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2315 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2316 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2317 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2318 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2319 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2320 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2321 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2322 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2323 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2324 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2325 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2326 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2327 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2328 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2329 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2330 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2331 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2332 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2333 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2334 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2335 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2336 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2337 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2338 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2339 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2340 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2341 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2342 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2343 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2344 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2345 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2346 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2347 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2348 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2349 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2350 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2351 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2352 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2353 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2354 #endif
2355 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2356 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2357 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2358 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2359 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2360 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2361 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2362 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2363 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2364 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
2365 { }
2366 };
2367
2368 /**
2369 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2370 *
2371 * There are composite devices for which we want to ignore only a certain
2372 * interface. This is a list of devices for which only the mouse interface will
2373 * be ignored. This allows a dedicated driver to take care of the interface.
2374 */
2375 static const struct hid_device_id hid_mouse_ignore_list[] = {
2376 /* appletouch driver */
2377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2378 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2385 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2388 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2391 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2393 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2394 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2396 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2397 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2399 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2412 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2413 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2415 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2416 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2417 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2418 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2419 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2420 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2421 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2422 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2423 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
2424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2425 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
2427 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2429 { }
2430 };
2431
2432 bool hid_ignore(struct hid_device *hdev)
2433 {
2434 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2435 return false;
2436 if (hdev->quirks & HID_QUIRK_IGNORE)
2437 return true;
2438
2439 switch (hdev->vendor) {
2440 case USB_VENDOR_ID_CODEMERCS:
2441 /* ignore all Code Mercenaries IOWarrior devices */
2442 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2443 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2444 return true;
2445 break;
2446 case USB_VENDOR_ID_LOGITECH:
2447 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2448 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2449 return true;
2450 /*
2451 * The Keene FM transmitter USB device has the same USB ID as
2452 * the Logitech AudioHub Speaker, but it should ignore the hid.
2453 * Check if the name is that of the Keene device.
2454 * For reference: the name of the AudioHub is
2455 * "HOLTEK AudioHub Speaker".
2456 */
2457 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2458 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2459 return true;
2460 break;
2461 case USB_VENDOR_ID_SOUNDGRAPH:
2462 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2463 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2464 return true;
2465 break;
2466 case USB_VENDOR_ID_HANWANG:
2467 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2468 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2469 return true;
2470 break;
2471 case USB_VENDOR_ID_JESS:
2472 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2473 hdev->type == HID_TYPE_USBNONE)
2474 return true;
2475 break;
2476 case USB_VENDOR_ID_VELLEMAN:
2477 /* These are not HID devices. They are handled by comedi. */
2478 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2479 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2480 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2481 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2482 return true;
2483 break;
2484 case USB_VENDOR_ID_ATMEL_V_USB:
2485 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2486 * it has the same USB ID as many Atmel V-USB devices. This
2487 * usb radio is handled by radio-ma901.c driver so we want
2488 * ignore the hid. Check the name, bus, product and ignore
2489 * if we have MA901 usb radio.
2490 */
2491 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2492 hdev->bus == BUS_USB &&
2493 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2494 return true;
2495 break;
2496 }
2497
2498 if (hdev->type == HID_TYPE_USBMOUSE &&
2499 hid_match_id(hdev, hid_mouse_ignore_list))
2500 return true;
2501
2502 return !!hid_match_id(hdev, hid_ignore_list);
2503 }
2504 EXPORT_SYMBOL_GPL(hid_ignore);
2505
2506 int hid_add_device(struct hid_device *hdev)
2507 {
2508 static atomic_t id = ATOMIC_INIT(0);
2509 int ret;
2510
2511 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2512 return -EBUSY;
2513
2514 /* we need to kill them here, otherwise they will stay allocated to
2515 * wait for coming driver */
2516 if (hid_ignore(hdev))
2517 return -ENODEV;
2518
2519 /*
2520 * Check for the mandatory transport channel.
2521 */
2522 if (!hdev->ll_driver->raw_request) {
2523 hid_err(hdev, "transport driver missing .raw_request()\n");
2524 return -EINVAL;
2525 }
2526
2527 /*
2528 * Read the device report descriptor once and use as template
2529 * for the driver-specific modifications.
2530 */
2531 ret = hdev->ll_driver->parse(hdev);
2532 if (ret)
2533 return ret;
2534 if (!hdev->dev_rdesc)
2535 return -ENODEV;
2536
2537 /*
2538 * Scan generic devices for group information
2539 */
2540 if (hid_ignore_special_drivers ||
2541 !hid_match_id(hdev, hid_have_special_driver)) {
2542 ret = hid_scan_report(hdev);
2543 if (ret)
2544 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2545 }
2546
2547 /* XXX hack, any other cleaner solution after the driver core
2548 * is converted to allow more than 20 bytes as the device name? */
2549 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2550 hdev->vendor, hdev->product, atomic_inc_return(&id));
2551
2552 hid_debug_register(hdev, dev_name(&hdev->dev));
2553 ret = device_add(&hdev->dev);
2554 if (!ret)
2555 hdev->status |= HID_STAT_ADDED;
2556 else
2557 hid_debug_unregister(hdev);
2558
2559 return ret;
2560 }
2561 EXPORT_SYMBOL_GPL(hid_add_device);
2562
2563 /**
2564 * hid_allocate_device - allocate new hid device descriptor
2565 *
2566 * Allocate and initialize hid device, so that hid_destroy_device might be
2567 * used to free it.
2568 *
2569 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2570 * error value.
2571 */
2572 struct hid_device *hid_allocate_device(void)
2573 {
2574 struct hid_device *hdev;
2575 int ret = -ENOMEM;
2576
2577 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2578 if (hdev == NULL)
2579 return ERR_PTR(ret);
2580
2581 device_initialize(&hdev->dev);
2582 hdev->dev.release = hid_device_release;
2583 hdev->dev.bus = &hid_bus_type;
2584
2585 hid_close_report(hdev);
2586
2587 init_waitqueue_head(&hdev->debug_wait);
2588 INIT_LIST_HEAD(&hdev->debug_list);
2589 spin_lock_init(&hdev->debug_list_lock);
2590 sema_init(&hdev->driver_lock, 1);
2591 sema_init(&hdev->driver_input_lock, 1);
2592
2593 return hdev;
2594 }
2595 EXPORT_SYMBOL_GPL(hid_allocate_device);
2596
2597 static void hid_remove_device(struct hid_device *hdev)
2598 {
2599 if (hdev->status & HID_STAT_ADDED) {
2600 device_del(&hdev->dev);
2601 hid_debug_unregister(hdev);
2602 hdev->status &= ~HID_STAT_ADDED;
2603 }
2604 kfree(hdev->dev_rdesc);
2605 hdev->dev_rdesc = NULL;
2606 hdev->dev_rsize = 0;
2607 }
2608
2609 /**
2610 * hid_destroy_device - free previously allocated device
2611 *
2612 * @hdev: hid device
2613 *
2614 * If you allocate hid_device through hid_allocate_device, you should ever
2615 * free by this function.
2616 */
2617 void hid_destroy_device(struct hid_device *hdev)
2618 {
2619 hid_remove_device(hdev);
2620 put_device(&hdev->dev);
2621 }
2622 EXPORT_SYMBOL_GPL(hid_destroy_device);
2623
2624 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2625 const char *mod_name)
2626 {
2627 int ret;
2628
2629 hdrv->driver.name = hdrv->name;
2630 hdrv->driver.bus = &hid_bus_type;
2631 hdrv->driver.owner = owner;
2632 hdrv->driver.mod_name = mod_name;
2633
2634 INIT_LIST_HEAD(&hdrv->dyn_list);
2635 spin_lock_init(&hdrv->dyn_lock);
2636
2637 ret = driver_register(&hdrv->driver);
2638 if (ret)
2639 return ret;
2640
2641 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2642 if (ret)
2643 driver_unregister(&hdrv->driver);
2644
2645 return ret;
2646 }
2647 EXPORT_SYMBOL_GPL(__hid_register_driver);
2648
2649 void hid_unregister_driver(struct hid_driver *hdrv)
2650 {
2651 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2652 driver_unregister(&hdrv->driver);
2653 hid_free_dynids(hdrv);
2654 }
2655 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2656
2657 int hid_check_keys_pressed(struct hid_device *hid)
2658 {
2659 struct hid_input *hidinput;
2660 int i;
2661
2662 if (!(hid->claimed & HID_CLAIMED_INPUT))
2663 return 0;
2664
2665 list_for_each_entry(hidinput, &hid->inputs, list) {
2666 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2667 if (hidinput->input->key[i])
2668 return 1;
2669 }
2670
2671 return 0;
2672 }
2673
2674 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2675
2676 static int __init hid_init(void)
2677 {
2678 int ret;
2679
2680 if (hid_debug)
2681 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2682 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2683
2684 ret = bus_register(&hid_bus_type);
2685 if (ret) {
2686 pr_err("can't register hid bus\n");
2687 goto err;
2688 }
2689
2690 ret = hidraw_init();
2691 if (ret)
2692 goto err_bus;
2693
2694 hid_debug_init();
2695
2696 return 0;
2697 err_bus:
2698 bus_unregister(&hid_bus_type);
2699 err:
2700 return ret;
2701 }
2702
2703 static void __exit hid_exit(void)
2704 {
2705 hid_debug_exit();
2706 hidraw_exit();
2707 bus_unregister(&hid_bus_type);
2708 }
2709
2710 module_init(hid_init);
2711 module_exit(hid_exit);
2712
2713 MODULE_AUTHOR("Andreas Gal");
2714 MODULE_AUTHOR("Vojtech Pavlik");
2715 MODULE_AUTHOR("Jiri Kosina");
2716 MODULE_LICENSE(DRIVER_LICENSE);
2717
Linux kernel - Deliverables
This page took 0.126459 seconds and 5 git commands to generate.