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(debug, "Ignore any special drivers and handle all devices by generic driver");
56
57 /*
58 * Register a new report for a device.
59 */
60
hid_register_report(struct hid_device * device,unsigned type,unsigned id)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
hid_register_field(struct hid_report * report,unsigned usages,unsigned values)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
open_collection(struct hid_parser * parser,unsigned type)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 -1;
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 -1;
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
close_collection(struct hid_parser * parser)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 -1;
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
hid_lookup_collection(struct hid_parser * parser,unsigned type)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
hid_add_usage(struct hid_parser * parser,unsigned usage)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
hid_add_field(struct hid_parser * parser,unsigned report_type,unsigned flags)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 if (parser->global.logical_maximum < parser->global.logical_minimum) {
236 hid_err(parser->device, "logical range invalid %d %d\n",
237 parser->global.logical_minimum, parser->global.logical_maximum);
238 return -1;
239 }
240
241 offset = report->size;
242 report->size += parser->global.report_size * parser->global.report_count;
243
244 if (!parser->local.usage_index) /* Ignore padding fields */
245 return 0;
246
247 usages = max_t(unsigned, parser->local.usage_index,
248 parser->global.report_count);
249
250 field = hid_register_field(report, usages, parser->global.report_count);
251 if (!field)
252 return 0;
253
254 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
255 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
256 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
257
258 for (i = 0; i < usages; i++) {
259 unsigned j = i;
260 /* Duplicate the last usage we parsed if we have excess values */
261 if (i >= parser->local.usage_index)
262 j = parser->local.usage_index - 1;
263 field->usage[i].hid = parser->local.usage[j];
264 field->usage[i].collection_index =
265 parser->local.collection_index[j];
266 }
267
268 field->maxusage = usages;
269 field->flags = flags;
270 field->report_offset = offset;
271 field->report_type = report_type;
272 field->report_size = parser->global.report_size;
273 field->report_count = parser->global.report_count;
274 field->logical_minimum = parser->global.logical_minimum;
275 field->logical_maximum = parser->global.logical_maximum;
276 field->physical_minimum = parser->global.physical_minimum;
277 field->physical_maximum = parser->global.physical_maximum;
278 field->unit_exponent = parser->global.unit_exponent;
279 field->unit = parser->global.unit;
280
281 return 0;
282 }
283
284 /*
285 * Read data value from item.
286 */
287
item_udata(struct hid_item * item)288 static u32 item_udata(struct hid_item *item)
289 {
290 switch (item->size) {
291 case 1: return item->data.u8;
292 case 2: return item->data.u16;
293 case 4: return item->data.u32;
294 }
295 return 0;
296 }
297
item_sdata(struct hid_item * item)298 static s32 item_sdata(struct hid_item *item)
299 {
300 switch (item->size) {
301 case 1: return item->data.s8;
302 case 2: return item->data.s16;
303 case 4: return item->data.s32;
304 }
305 return 0;
306 }
307
308 /*
309 * Process a global item.
310 */
311
hid_parser_global(struct hid_parser * parser,struct hid_item * item)312 static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
313 {
314 switch (item->tag) {
315 case HID_GLOBAL_ITEM_TAG_PUSH:
316
317 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
318 hid_err(parser->device, "global environment stack overflow\n");
319 return -1;
320 }
321
322 memcpy(parser->global_stack + parser->global_stack_ptr++,
323 &parser->global, sizeof(struct hid_global));
324 return 0;
325
326 case HID_GLOBAL_ITEM_TAG_POP:
327
328 if (!parser->global_stack_ptr) {
329 hid_err(parser->device, "global environment stack underflow\n");
330 return -1;
331 }
332
333 memcpy(&parser->global, parser->global_stack +
334 --parser->global_stack_ptr, sizeof(struct hid_global));
335 return 0;
336
337 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
338 parser->global.usage_page = item_udata(item);
339 return 0;
340
341 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
342 parser->global.logical_minimum = item_sdata(item);
343 return 0;
344
345 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
346 if (parser->global.logical_minimum < 0)
347 parser->global.logical_maximum = item_sdata(item);
348 else
349 parser->global.logical_maximum = item_udata(item);
350 return 0;
351
352 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
353 parser->global.physical_minimum = item_sdata(item);
354 return 0;
355
356 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
357 if (parser->global.physical_minimum < 0)
358 parser->global.physical_maximum = item_sdata(item);
359 else
360 parser->global.physical_maximum = item_udata(item);
361 return 0;
362
363 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
364 parser->global.unit_exponent = item_sdata(item);
365 return 0;
366
367 case HID_GLOBAL_ITEM_TAG_UNIT:
368 parser->global.unit = item_udata(item);
369 return 0;
370
371 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
372 parser->global.report_size = item_udata(item);
373 if (parser->global.report_size > 96) {
374 hid_err(parser->device, "invalid report_size %d\n",
375 parser->global.report_size);
376 return -1;
377 }
378 return 0;
379
380 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
381 parser->global.report_count = item_udata(item);
382 if (parser->global.report_count > HID_MAX_USAGES) {
383 hid_err(parser->device, "invalid report_count %d\n",
384 parser->global.report_count);
385 return -1;
386 }
387 return 0;
388
389 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
390 parser->global.report_id = item_udata(item);
391 if (parser->global.report_id == 0 ||
392 parser->global.report_id >= HID_MAX_IDS) {
393 hid_err(parser->device, "report_id %u is invalid\n",
394 parser->global.report_id);
395 return -1;
396 }
397 return 0;
398
399 default:
400 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
401 return -1;
402 }
403 }
404
405 /*
406 * Process a local item.
407 */
408
hid_parser_local(struct hid_parser * parser,struct hid_item * item)409 static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
410 {
411 __u32 data;
412 unsigned n;
413
414 data = item_udata(item);
415
416 switch (item->tag) {
417 case HID_LOCAL_ITEM_TAG_DELIMITER:
418
419 if (data) {
420 /*
421 * We treat items before the first delimiter
422 * as global to all usage sets (branch 0).
423 * In the moment we process only these global
424 * items and the first delimiter set.
425 */
426 if (parser->local.delimiter_depth != 0) {
427 hid_err(parser->device, "nested delimiters\n");
428 return -1;
429 }
430 parser->local.delimiter_depth++;
431 parser->local.delimiter_branch++;
432 } else {
433 if (parser->local.delimiter_depth < 1) {
434 hid_err(parser->device, "bogus close delimiter\n");
435 return -1;
436 }
437 parser->local.delimiter_depth--;
438 }
439 return 1;
440
441 case HID_LOCAL_ITEM_TAG_USAGE:
442
443 if (parser->local.delimiter_branch > 1) {
444 dbg_hid("alternative usage ignored\n");
445 return 0;
446 }
447
448 if (item->size <= 2)
449 data = (parser->global.usage_page << 16) + data;
450
451 return hid_add_usage(parser, data);
452
453 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
454
455 if (parser->local.delimiter_branch > 1) {
456 dbg_hid("alternative usage ignored\n");
457 return 0;
458 }
459
460 if (item->size <= 2)
461 data = (parser->global.usage_page << 16) + data;
462
463 parser->local.usage_minimum = data;
464 return 0;
465
466 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
467
468 if (parser->local.delimiter_branch > 1) {
469 dbg_hid("alternative usage ignored\n");
470 return 0;
471 }
472
473 if (item->size <= 2)
474 data = (parser->global.usage_page << 16) + data;
475
476 for (n = parser->local.usage_minimum; n <= data; n++)
477 if (hid_add_usage(parser, n)) {
478 dbg_hid("hid_add_usage failed\n");
479 return -1;
480 }
481 return 0;
482
483 default:
484
485 dbg_hid("unknown local item tag 0x%x\n", item->tag);
486 return 0;
487 }
488 return 0;
489 }
490
491 /*
492 * Process a main item.
493 */
494
hid_parser_main(struct hid_parser * parser,struct hid_item * item)495 static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
496 {
497 __u32 data;
498 int ret;
499
500 data = item_udata(item);
501
502 switch (item->tag) {
503 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
504 ret = open_collection(parser, data & 0xff);
505 break;
506 case HID_MAIN_ITEM_TAG_END_COLLECTION:
507 ret = close_collection(parser);
508 break;
509 case HID_MAIN_ITEM_TAG_INPUT:
510 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
511 break;
512 case HID_MAIN_ITEM_TAG_OUTPUT:
513 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
514 break;
515 case HID_MAIN_ITEM_TAG_FEATURE:
516 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
517 break;
518 default:
519 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
520 ret = 0;
521 }
522
523 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
524
525 return ret;
526 }
527
528 /*
529 * Process a reserved item.
530 */
531
hid_parser_reserved(struct hid_parser * parser,struct hid_item * item)532 static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
533 {
534 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
535 return 0;
536 }
537
538 /*
539 * Free a report and all registered fields. The field->usage and
540 * field->value table's are allocated behind the field, so we need
541 * only to free(field) itself.
542 */
543
hid_free_report(struct hid_report * report)544 static void hid_free_report(struct hid_report *report)
545 {
546 unsigned n;
547
548 for (n = 0; n < report->maxfield; n++)
549 kfree(report->field[n]);
550 kfree(report);
551 }
552
553 /*
554 * Free a device structure, all reports, and all fields.
555 */
556
hid_device_release(struct device * dev)557 static void hid_device_release(struct device *dev)
558 {
559 struct hid_device *device = container_of(dev, struct hid_device, dev);
560 unsigned i, j;
561
562 for (i = 0; i < HID_REPORT_TYPES; i++) {
563 struct hid_report_enum *report_enum = device->report_enum + i;
564
565 for (j = 0; j < HID_MAX_IDS; j++) {
566 struct hid_report *report = report_enum->report_id_hash[j];
567 if (report)
568 hid_free_report(report);
569 }
570 }
571
572 kfree(device->rdesc);
573 kfree(device->collection);
574 kfree(device);
575 }
576
577 /*
578 * Fetch a report description item from the data stream. We support long
579 * items, though they are not used yet.
580 */
581
fetch_item(__u8 * start,__u8 * end,struct hid_item * item)582 static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
583 {
584 u8 b;
585
586 if ((end - start) <= 0)
587 return NULL;
588
589 b = *start++;
590
591 item->type = (b >> 2) & 3;
592 item->tag = (b >> 4) & 15;
593
594 if (item->tag == HID_ITEM_TAG_LONG) {
595
596 item->format = HID_ITEM_FORMAT_LONG;
597
598 if ((end - start) < 2)
599 return NULL;
600
601 item->size = *start++;
602 item->tag = *start++;
603
604 if ((end - start) < item->size)
605 return NULL;
606
607 item->data.longdata = start;
608 start += item->size;
609 return start;
610 }
611
612 item->format = HID_ITEM_FORMAT_SHORT;
613 item->size = b & 3;
614
615 switch (item->size) {
616 case 0:
617 return start;
618
619 case 1:
620 if ((end - start) < 1)
621 return NULL;
622 item->data.u8 = *start++;
623 return start;
624
625 case 2:
626 if ((end - start) < 2)
627 return NULL;
628 item->data.u16 = get_unaligned_le16(start);
629 start = (__u8 *)((__le16 *)start + 1);
630 return start;
631
632 case 3:
633 item->size++;
634 if ((end - start) < 4)
635 return NULL;
636 item->data.u32 = get_unaligned_le32(start);
637 start = (__u8 *)((__le32 *)start + 1);
638 return start;
639 }
640
641 return NULL;
642 }
643
644 /**
645 * hid_parse_report - parse device report
646 *
647 * @device: hid device
648 * @start: report start
649 * @size: report size
650 *
651 * Parse a report description into a hid_device structure. Reports are
652 * enumerated, fields are attached to these reports.
653 * 0 returned on success, otherwise nonzero error value.
654 */
hid_parse_report(struct hid_device * device,__u8 * start,unsigned size)655 int hid_parse_report(struct hid_device *device, __u8 *start,
656 unsigned size)
657 {
658 struct hid_parser *parser;
659 struct hid_item item;
660 __u8 *end;
661 int ret;
662 static int (*dispatch_type[])(struct hid_parser *parser,
663 struct hid_item *item) = {
664 hid_parser_main,
665 hid_parser_global,
666 hid_parser_local,
667 hid_parser_reserved
668 };
669
670 if (device->driver->report_fixup)
671 start = device->driver->report_fixup(device, start, &size);
672
673 device->rdesc = kmemdup(start, size, GFP_KERNEL);
674 if (device->rdesc == NULL)
675 return -ENOMEM;
676 device->rsize = size;
677
678 parser = vzalloc(sizeof(struct hid_parser));
679 if (!parser) {
680 ret = -ENOMEM;
681 goto err;
682 }
683
684 parser->device = device;
685
686 end = start + size;
687 ret = -EINVAL;
688 while ((start = fetch_item(start, end, &item)) != NULL) {
689
690 if (item.format != HID_ITEM_FORMAT_SHORT) {
691 hid_err(device, "unexpected long global item\n");
692 goto err;
693 }
694
695 if (dispatch_type[item.type](parser, &item)) {
696 hid_err(device, "item %u %u %u %u parsing failed\n",
697 item.format, (unsigned)item.size,
698 (unsigned)item.type, (unsigned)item.tag);
699 goto err;
700 }
701
702 if (start == end) {
703 if (parser->collection_stack_ptr) {
704 hid_err(device, "unbalanced collection at end of report description\n");
705 goto err;
706 }
707 if (parser->local.delimiter_depth) {
708 hid_err(device, "unbalanced delimiter at end of report description\n");
709 goto err;
710 }
711 vfree(parser);
712 return 0;
713 }
714 }
715
716 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
717 err:
718 vfree(parser);
719 return ret;
720 }
721 EXPORT_SYMBOL_GPL(hid_parse_report);
722
723 /*
724 * Convert a signed n-bit integer to signed 32-bit integer. Common
725 * cases are done through the compiler, the screwed things has to be
726 * done by hand.
727 */
728
snto32(__u32 value,unsigned n)729 static s32 snto32(__u32 value, unsigned n)
730 {
731 switch (n) {
732 case 8: return ((__s8)value);
733 case 16: return ((__s16)value);
734 case 32: return ((__s32)value);
735 }
736 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
737 }
738
739 /*
740 * Convert a signed 32-bit integer to a signed n-bit integer.
741 */
742
s32ton(__s32 value,unsigned n)743 static u32 s32ton(__s32 value, unsigned n)
744 {
745 s32 a = value >> (n - 1);
746 if (a && a != -1)
747 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
748 return value & ((1 << n) - 1);
749 }
750
751 /*
752 * Extract/implement a data field from/to a little endian report (bit array).
753 *
754 * Code sort-of follows HID spec:
755 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
756 *
757 * While the USB HID spec allows unlimited length bit fields in "report
758 * descriptors", most devices never use more than 16 bits.
759 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
760 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
761 */
762
extract(const struct hid_device * hid,__u8 * report,unsigned offset,unsigned n)763 static __u32 extract(const struct hid_device *hid, __u8 *report,
764 unsigned offset, unsigned n)
765 {
766 u64 x;
767
768 if (n > 32)
769 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
770 n, current->comm);
771
772 report += offset >> 3; /* adjust byte index */
773 offset &= 7; /* now only need bit offset into one byte */
774 x = get_unaligned_le64(report);
775 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
776 return (u32) x;
777 }
778
779 /*
780 * "implement" : set bits in a little endian bit stream.
781 * Same concepts as "extract" (see comments above).
782 * The data mangled in the bit stream remains in little endian
783 * order the whole time. It make more sense to talk about
784 * endianness of register values by considering a register
785 * a "cached" copy of the little endiad bit stream.
786 */
implement(const struct hid_device * hid,__u8 * report,unsigned offset,unsigned n,__u32 value)787 static void implement(const struct hid_device *hid, __u8 *report,
788 unsigned offset, unsigned n, __u32 value)
789 {
790 u64 x;
791 u64 m = (1ULL << n) - 1;
792
793 if (n > 32)
794 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
795 __func__, n, current->comm);
796
797 if (value > m)
798 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
799 __func__, value, current->comm);
800 WARN_ON(value > m);
801 value &= m;
802
803 report += offset >> 3;
804 offset &= 7;
805
806 x = get_unaligned_le64(report);
807 x &= ~(m << offset);
808 x |= ((u64)value) << offset;
809 put_unaligned_le64(x, report);
810 }
811
812 /*
813 * Search an array for a value.
814 */
815
search(__s32 * array,__s32 value,unsigned n)816 static int search(__s32 *array, __s32 value, unsigned n)
817 {
818 while (n--) {
819 if (*array++ == value)
820 return 0;
821 }
822 return -1;
823 }
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 */
hid_validate_values(struct hid_device * hid,unsigned int type,unsigned int id,unsigned int field_index,unsigned int report_counts)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_match_report - check if driver's raw_event should be called
895 *
896 * @hid: hid device
897 * @report_type: type to match against
898 *
899 * compare hid->driver->report_table->report_type to report->type
900 */
hid_match_report(struct hid_device * hid,struct hid_report * report)901 static int hid_match_report(struct hid_device *hid, struct hid_report *report)
902 {
903 const struct hid_report_id *id = hid->driver->report_table;
904
905 if (!id) /* NULL means all */
906 return 1;
907
908 for (; id->report_type != HID_TERMINATOR; id++)
909 if (id->report_type == HID_ANY_ID ||
910 id->report_type == report->type)
911 return 1;
912 return 0;
913 }
914
915 /**
916 * hid_match_usage - check if driver's event should be called
917 *
918 * @hid: hid device
919 * @usage: usage to match against
920 *
921 * compare hid->driver->usage_table->usage_{type,code} to
922 * usage->usage_{type,code}
923 */
hid_match_usage(struct hid_device * hid,struct hid_usage * usage)924 static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
925 {
926 const struct hid_usage_id *id = hid->driver->usage_table;
927
928 if (!id) /* NULL means all */
929 return 1;
930
931 for (; id->usage_type != HID_ANY_ID - 1; id++)
932 if ((id->usage_hid == HID_ANY_ID ||
933 id->usage_hid == usage->hid) &&
934 (id->usage_type == HID_ANY_ID ||
935 id->usage_type == usage->type) &&
936 (id->usage_code == HID_ANY_ID ||
937 id->usage_code == usage->code))
938 return 1;
939 return 0;
940 }
941
hid_process_event(struct hid_device * hid,struct hid_field * field,struct hid_usage * usage,__s32 value,int interrupt)942 static void hid_process_event(struct hid_device *hid, struct hid_field *field,
943 struct hid_usage *usage, __s32 value, int interrupt)
944 {
945 struct hid_driver *hdrv = hid->driver;
946 int ret;
947
948 hid_dump_input(hid, usage, value);
949
950 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
951 ret = hdrv->event(hid, field, usage, value);
952 if (ret != 0) {
953 if (ret < 0)
954 hid_err(hid, "%s's event failed with %d\n",
955 hdrv->name, ret);
956 return;
957 }
958 }
959
960 if (hid->claimed & HID_CLAIMED_INPUT)
961 hidinput_hid_event(hid, field, usage, value);
962 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
963 hid->hiddev_hid_event(hid, field, usage, value);
964 }
965
966 /*
967 * Analyse a received field, and fetch the data from it. The field
968 * content is stored for next report processing (we do differential
969 * reporting to the layer).
970 */
971
hid_input_field(struct hid_device * hid,struct hid_field * field,__u8 * data,int interrupt)972 static void hid_input_field(struct hid_device *hid, struct hid_field *field,
973 __u8 *data, int interrupt)
974 {
975 unsigned n;
976 unsigned count = field->report_count;
977 unsigned offset = field->report_offset;
978 unsigned size = field->report_size;
979 __s32 min = field->logical_minimum;
980 __s32 max = field->logical_maximum;
981 __s32 *value;
982
983 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
984 if (!value)
985 return;
986
987 for (n = 0; n < count; n++) {
988
989 value[n] = min < 0 ?
990 snto32(extract(hid, data, offset + n * size, size),
991 size) :
992 extract(hid, data, offset + n * size, size);
993
994 /* Ignore report if ErrorRollOver */
995 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
996 value[n] >= min && value[n] <= max &&
997 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
998 goto exit;
999 }
1000
1001 for (n = 0; n < count; n++) {
1002
1003 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1004 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1005 continue;
1006 }
1007
1008 if (field->value[n] >= min && field->value[n] <= max
1009 && field->usage[field->value[n] - min].hid
1010 && search(value, field->value[n], count))
1011 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1012
1013 if (value[n] >= min && value[n] <= max
1014 && field->usage[value[n] - min].hid
1015 && search(field->value, value[n], count))
1016 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1017 }
1018
1019 memcpy(field->value, value, count * sizeof(__s32));
1020 exit:
1021 kfree(value);
1022 }
1023
1024 /*
1025 * Output the field into the report.
1026 */
1027
hid_output_field(const struct hid_device * hid,struct hid_field * field,__u8 * data)1028 static void hid_output_field(const struct hid_device *hid,
1029 struct hid_field *field, __u8 *data)
1030 {
1031 unsigned count = field->report_count;
1032 unsigned offset = field->report_offset;
1033 unsigned size = field->report_size;
1034 unsigned n;
1035
1036 for (n = 0; n < count; n++) {
1037 if (field->logical_minimum < 0) /* signed values */
1038 implement(hid, data, offset + n * size, size,
1039 s32ton(field->value[n], size));
1040 else /* unsigned values */
1041 implement(hid, data, offset + n * size, size,
1042 field->value[n]);
1043 }
1044 }
1045
1046 /*
1047 * Create a report.
1048 */
1049
hid_output_report(struct hid_report * report,__u8 * data)1050 void hid_output_report(struct hid_report *report, __u8 *data)
1051 {
1052 unsigned n;
1053
1054 if (report->id > 0)
1055 *data++ = report->id;
1056
1057 memset(data, 0, ((report->size - 1) >> 3) + 1);
1058 for (n = 0; n < report->maxfield; n++)
1059 hid_output_field(report->device, report->field[n], data);
1060 }
1061 EXPORT_SYMBOL_GPL(hid_output_report);
1062
1063 /*
1064 * Set a field value. The report this field belongs to has to be
1065 * created and transferred to the device, to set this value in the
1066 * device.
1067 */
1068
hid_set_field(struct hid_field * field,unsigned offset,__s32 value)1069 int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1070 {
1071 unsigned size;
1072
1073 if (!field)
1074 return -1;
1075
1076 size = field->report_size;
1077
1078 hid_dump_input(field->report->device, field->usage + offset, value);
1079
1080 if (offset >= field->report_count) {
1081 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1082 offset, field->report_count);
1083 return -1;
1084 }
1085 if (field->logical_minimum < 0) {
1086 if (value != snto32(s32ton(value, size), size)) {
1087 hid_err(field->report->device, "value %d is out of range\n", value);
1088 return -1;
1089 }
1090 }
1091 field->value[offset] = value;
1092 return 0;
1093 }
1094 EXPORT_SYMBOL_GPL(hid_set_field);
1095
hid_get_report(struct hid_report_enum * report_enum,const u8 * data)1096 static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1097 const u8 *data)
1098 {
1099 struct hid_report *report;
1100 unsigned int n = 0; /* Normally report number is 0 */
1101
1102 /* Device uses numbered reports, data[0] is report number */
1103 if (report_enum->numbered)
1104 n = *data;
1105
1106 report = report_enum->report_id_hash[n];
1107 if (report == NULL)
1108 dbg_hid("undefined report_id %u received\n", n);
1109
1110 return report;
1111 }
1112
hid_report_raw_event(struct hid_device * hid,int type,u8 * data,int size,int interrupt)1113 int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
1114 int interrupt)
1115 {
1116 struct hid_report_enum *report_enum = hid->report_enum + type;
1117 struct hid_report *report;
1118 unsigned int a;
1119 int rsize, csize = size;
1120 u8 *cdata = data;
1121 int ret = 0;
1122
1123 report = hid_get_report(report_enum, data);
1124 if (!report)
1125 goto out;
1126
1127 if (report_enum->numbered) {
1128 cdata++;
1129 csize--;
1130 }
1131
1132 rsize = ((report->size - 1) >> 3) + 1;
1133
1134 if (rsize > HID_MAX_BUFFER_SIZE)
1135 rsize = HID_MAX_BUFFER_SIZE;
1136
1137 if (csize < rsize) {
1138 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1139 csize, rsize);
1140 memset(cdata + csize, 0, rsize - csize);
1141 }
1142
1143 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1144 hid->hiddev_report_event(hid, report);
1145 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1146 ret = hidraw_report_event(hid, data, size);
1147 if (ret)
1148 goto out;
1149 }
1150
1151 for (a = 0; a < report->maxfield; a++)
1152 hid_input_field(hid, report->field[a], cdata, interrupt);
1153
1154 if (hid->claimed & HID_CLAIMED_INPUT)
1155 hidinput_report_event(hid, report);
1156 out:
1157 return ret;
1158 }
1159 EXPORT_SYMBOL_GPL(hid_report_raw_event);
1160
1161 /**
1162 * hid_input_report - report data from lower layer (usb, bt...)
1163 *
1164 * @hid: hid device
1165 * @type: HID report type (HID_*_REPORT)
1166 * @data: report contents
1167 * @size: size of data parameter
1168 * @interrupt: distinguish between interrupt and control transfers
1169 *
1170 * This is data entry for lower layers.
1171 */
hid_input_report(struct hid_device * hid,int type,u8 * data,int size,int interrupt)1172 int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1173 {
1174 struct hid_report_enum *report_enum;
1175 struct hid_driver *hdrv;
1176 struct hid_report *report;
1177 char *buf;
1178 unsigned int i;
1179 int ret = 0;
1180
1181 if (!hid)
1182 return -ENODEV;
1183
1184 if (down_trylock(&hid->driver_lock))
1185 return -EBUSY;
1186
1187 if (!hid->driver) {
1188 ret = -ENODEV;
1189 goto unlock;
1190 }
1191 report_enum = hid->report_enum + type;
1192 hdrv = hid->driver;
1193
1194 if (!size) {
1195 dbg_hid("empty report\n");
1196 ret = -1;
1197 goto unlock;
1198 }
1199
1200 buf = kmalloc(sizeof(char) * HID_DEBUG_BUFSIZE, GFP_ATOMIC);
1201
1202 if (!buf)
1203 goto nomem;
1204
1205 /* dump the report */
1206 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1207 "\nreport (size %u) (%snumbered) = ", size, report_enum->numbered ? "" : "un");
1208 hid_debug_event(hid, buf);
1209
1210 for (i = 0; i < size; i++) {
1211 snprintf(buf, HID_DEBUG_BUFSIZE - 1,
1212 " %02x", data[i]);
1213 hid_debug_event(hid, buf);
1214 }
1215 hid_debug_event(hid, "\n");
1216 kfree(buf);
1217
1218 nomem:
1219 report = hid_get_report(report_enum, data);
1220
1221 if (!report) {
1222 ret = -1;
1223 goto unlock;
1224 }
1225
1226 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1227 ret = hdrv->raw_event(hid, report, data, size);
1228 if (ret != 0) {
1229 ret = ret < 0 ? ret : 0;
1230 goto unlock;
1231 }
1232 }
1233
1234 ret = hid_report_raw_event(hid, type, data, size, interrupt);
1235
1236 unlock:
1237 up(&hid->driver_lock);
1238 return ret;
1239 }
1240 EXPORT_SYMBOL_GPL(hid_input_report);
1241
hid_match_one_id(struct hid_device * hdev,const struct hid_device_id * id)1242 static bool hid_match_one_id(struct hid_device *hdev,
1243 const struct hid_device_id *id)
1244 {
1245 return id->bus == hdev->bus &&
1246 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1247 (id->product == HID_ANY_ID || id->product == hdev->product);
1248 }
1249
hid_match_id(struct hid_device * hdev,const struct hid_device_id * id)1250 const struct hid_device_id *hid_match_id(struct hid_device *hdev,
1251 const struct hid_device_id *id)
1252 {
1253 for (; id->bus; id++)
1254 if (hid_match_one_id(hdev, id))
1255 return id;
1256
1257 return NULL;
1258 }
1259
1260 static const struct hid_device_id hid_hiddev_list[] = {
1261 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1262 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
1263 { }
1264 };
1265
hid_hiddev(struct hid_device * hdev)1266 static bool hid_hiddev(struct hid_device *hdev)
1267 {
1268 return !!hid_match_id(hdev, hid_hiddev_list);
1269 }
1270
1271
1272 static ssize_t
read_report_descriptor(struct file * filp,struct kobject * kobj,struct bin_attribute * attr,char * buf,loff_t off,size_t count)1273 read_report_descriptor(struct file *filp, struct kobject *kobj,
1274 struct bin_attribute *attr,
1275 char *buf, loff_t off, size_t count)
1276 {
1277 struct device *dev = container_of(kobj, struct device, kobj);
1278 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1279
1280 if (off >= hdev->rsize)
1281 return 0;
1282
1283 if (off + count > hdev->rsize)
1284 count = hdev->rsize - off;
1285
1286 memcpy(buf, hdev->rdesc + off, count);
1287
1288 return count;
1289 }
1290
1291 static struct bin_attribute dev_bin_attr_report_desc = {
1292 .attr = { .name = "report_descriptor", .mode = 0444 },
1293 .read = read_report_descriptor,
1294 .size = HID_MAX_DESCRIPTOR_SIZE,
1295 };
1296
hid_connect(struct hid_device * hdev,unsigned int connect_mask)1297 int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1298 {
1299 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1300 "Joystick", "Gamepad", "Keyboard", "Keypad",
1301 "Multi-Axis Controller"
1302 };
1303 const char *type, *bus;
1304 char buf[64];
1305 unsigned int i;
1306 int len;
1307 int ret;
1308
1309 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1310 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
1311 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1312 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
1313 if (hdev->bus != BUS_USB)
1314 connect_mask &= ~HID_CONNECT_HIDDEV;
1315 if (hid_hiddev(hdev))
1316 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
1317
1318 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1319 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1320 hdev->claimed |= HID_CLAIMED_INPUT;
1321 if (hdev->quirks & HID_QUIRK_MULTITOUCH) {
1322 /* this device should be handled by hid-multitouch, skip it */
1323 return -ENODEV;
1324 }
1325
1326 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1327 !hdev->hiddev_connect(hdev,
1328 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1329 hdev->claimed |= HID_CLAIMED_HIDDEV;
1330 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1331 hdev->claimed |= HID_CLAIMED_HIDRAW;
1332
1333 if (!hdev->claimed) {
1334 hid_err(hdev, "claimed by neither input, hiddev nor hidraw\n");
1335 return -ENODEV;
1336 }
1337
1338 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1339 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1340 hdev->ff_init(hdev);
1341
1342 len = 0;
1343 if (hdev->claimed & HID_CLAIMED_INPUT)
1344 len += sprintf(buf + len, "input");
1345 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1346 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1347 hdev->minor);
1348 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1349 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1350 ((struct hidraw *)hdev->hidraw)->minor);
1351
1352 type = "Device";
1353 for (i = 0; i < hdev->maxcollection; i++) {
1354 struct hid_collection *col = &hdev->collection[i];
1355 if (col->type == HID_COLLECTION_APPLICATION &&
1356 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1357 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1358 type = types[col->usage & 0xffff];
1359 break;
1360 }
1361 }
1362
1363 switch (hdev->bus) {
1364 case BUS_USB:
1365 bus = "USB";
1366 break;
1367 case BUS_BLUETOOTH:
1368 bus = "BLUETOOTH";
1369 break;
1370 default:
1371 bus = "<UNKNOWN>";
1372 }
1373
1374 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1375 if (ret)
1376 hid_warn(hdev,
1377 "can't create sysfs report descriptor attribute err: %d\n", ret);
1378
1379 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1380 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1381 type, hdev->name, hdev->phys);
1382
1383 return 0;
1384 }
1385 EXPORT_SYMBOL_GPL(hid_connect);
1386
hid_disconnect(struct hid_device * hdev)1387 void hid_disconnect(struct hid_device *hdev)
1388 {
1389 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1390 if (hdev->claimed & HID_CLAIMED_INPUT)
1391 hidinput_disconnect(hdev);
1392 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1393 hdev->hiddev_disconnect(hdev);
1394 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1395 hidraw_disconnect(hdev);
1396 }
1397 EXPORT_SYMBOL_GPL(hid_disconnect);
1398
1399 /* a list of devices for which there is a specialized driver on HID bus */
1400 static const struct hid_device_id hid_have_special_driver[] = {
1401 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M1968) },
1402 { HID_USB_DEVICE(USB_VENDOR_ID_3M, USB_DEVICE_ID_3M2256) },
1403 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1404 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
1405 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
1406 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
1407 { HID_USB_DEVICE(USB_VENDOR_ID_ACTIONSTAR, USB_DEVICE_ID_ACTIONSTAR_1011) },
1408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ATV_IRCONTROL) },
1409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
1411 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
1412 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
1413 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1415 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1416 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1417 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1418 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1419 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1420 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1421 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1422 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1423 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
1424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1425 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
1427 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1429 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1430 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1431 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1432 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
1433 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1434 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1435 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
1436 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1437 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1438 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1439 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1440 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1441 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
1442 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1443 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1444 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
1445 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1446 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1447 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1448 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1449 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1450 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
1451 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1452 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1453 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
1454 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1455 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1456 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
1457 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1458 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1459 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
1460 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1461 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1462 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
1463 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1464 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1465 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
1466 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1467 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1468 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
1469 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1470 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1471 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
1472 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
1473 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
1474 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1475 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
1476 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUS_T91MT) },
1477 { HID_USB_DEVICE(USB_VENDOR_ID_ASUS, USB_DEVICE_ID_ASUSTEK_MULTITOUCH_YFO) },
1478 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
1479 { HID_USB_DEVICE(USB_VENDOR_ID_BAANTO, USB_DEVICE_ID_BAANTO_MT_190W2), },
1480 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
1481 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
1482 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_PIXCIR_MULTI_TOUCH) },
1483 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH) },
1484 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_10_1) },
1485 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_11_6) },
1486 { HID_USB_DEVICE(USB_VENDOR_ID_CANDO, USB_DEVICE_ID_CANDO_MULTI_TOUCH_15_6) },
1487 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1488 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
1489 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
1490 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
1491 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
1492 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
1493 { HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
1494 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
1495 { HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
1496 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1497 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
1498 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
1499 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
1500 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
1501 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_TRUETOUCH) },
1502 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
1503 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
1504 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480D) },
1505 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_480E) },
1506 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_720C) },
1507 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7224) },
1508 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_725E) },
1509 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_726B) },
1510 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_72A1) },
1511 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_7302) },
1512 { HID_USB_DEVICE(USB_VENDOR_ID_DWAV, USB_DEVICE_ID_DWAV_EGALAX_MULTITOUCH_A001) },
1513 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
1514 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, USB_DEVICE_ID_ELO_TS2515) },
1515 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1516 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
1517 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_FRUCTEL, USB_DEVICE_ID_GAMETEL_MT_MODE) },
1518 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
1519 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
1520 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, USB_DEVICE_ID_GENERAL_TOUCH_WIN7_TWOFINGERS) },
1521 { HID_USB_DEVICE(USB_VENDOR_ID_GOODTOUCH, USB_DEVICE_ID_GOODTOUCH_000f) },
1522 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
1523 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
1524 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1525 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
1526 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON, USB_DEVICE_ID_HANVON_MULTITOUCH) },
1528 { HID_USB_DEVICE(USB_VENDOR_ID_HANVON_ALT, USB_DEVICE_ID_HANVON_ALT_MULTITOUCH) },
1529 { HID_USB_DEVICE(USB_VENDOR_ID_IDEACOM, USB_DEVICE_ID_IDEACOM_IDC6650) },
1530 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
1531 { HID_USB_DEVICE(USB_VENDOR_ID_ILITEK, USB_DEVICE_ID_ILITEK_MULTITOUCH) },
1532 { HID_USB_DEVICE(USB_VENDOR_ID_IRTOUCHSYSTEMS, USB_DEVICE_ID_IRTOUCH_INFRARED_USB) },
1533 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
1534 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
1535 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
1536 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1537 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1538 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
1539 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
1540 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
1541 { HID_USB_DEVICE(USB_VENDOR_ID_LG, USB_DEVICE_ID_LG_MULTITOUCH) },
1542 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1543 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1544 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1545 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
1546 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1547 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1548 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
1549 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1550 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
1551 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1552 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
1553 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
1554 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1555 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1556 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
1557 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
1558 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
1559 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
1560 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1561 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
1562 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
1563 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
1564 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
1565 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
1566 #if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
1567 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1568 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
1569 #endif
1570 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
1571 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
1572 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1573 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
1574 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH) },
1575 { HID_USB_DEVICE(USB_VENDOR_ID_LUMIO, USB_DEVICE_ID_CRYSTALTOUCH_DUAL) },
1576 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1577 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
1578 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
1579 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1580 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
1581 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1582 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
1583 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
1584 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
1585 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
1586 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
1587 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1588 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1589 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1590 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1591 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1592 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1593 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1594 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1595 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1596 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1597 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1598 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1599 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1600 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1601 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1602 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1603 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1604 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
1605 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
1606 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1607 { HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, USB_DEVICE_ID_PANABOARD_UBT780) },
1608 { HID_USB_DEVICE(USB_VENDOR_ID_PANASONIC, USB_DEVICE_ID_PANABOARD_UBT880) },
1609 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_PCI) },
1610 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1611 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN) },
1612 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN1) },
1613 { HID_USB_DEVICE(USB_VENDOR_ID_PIXART, USB_DEVICE_ID_PIXART_OPTICAL_TOUCH_SCREEN2) },
1614 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
1615 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_QUANTA_OPTICAL_TOUCH) },
1616 { HID_USB_DEVICE(USB_VENDOR_ID_QUANTA, USB_DEVICE_ID_PIXART_IMAGING_INC_OPTICAL_TOUCH_SCREEN) },
1617 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
1618 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
1619 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
1620 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
1621 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
1622 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
1623 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
1624 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
1625 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
1626 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
1627 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
1628 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1629 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
1630 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
1631 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
1632 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
1633 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM, USB_DEVICE_ID_MTP) },
1634 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_STM, USB_DEVICE_ID_MTP_STM) },
1635 { HID_USB_DEVICE(USB_VENDOR_ID_STANTUM_SITRONIX, USB_DEVICE_ID_MTP_SITRONIX) },
1636 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
1637 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1638 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
1639 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1640 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
1641 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
1642 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
1643 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
1644 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
1645 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
1646 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
1647 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
1648 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
1649 { HID_USB_DEVICE(USB_VENDOR_ID_TOUCH_INTL, USB_DEVICE_ID_TOUCH_INTL_MULTI_TOUCH) },
1650 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
1651 { HID_USB_DEVICE(USB_VENDOR_ID_TURBOX, USB_DEVICE_ID_TURBOX_TOUCHSCREEN_MOSART) },
1652 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
1653 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1654 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1655 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
1656 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
1657 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0709) },
1658 { HID_USB_DEVICE(USB_VENDOR_ID_UNITEC, USB_DEVICE_ID_UNITEC_USB_TOUCH_0A19) },
1659 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
1660 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
1661 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1662 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1663 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1664 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
1665 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
1666 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
1667 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
1668 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
1669 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
1670 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
1671 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
1672 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
1673 { HID_USB_DEVICE(USB_VENDOR_ID_XAT, USB_DEVICE_ID_XAT_CSR) },
1674 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX) },
1675 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX) },
1676 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR) },
1677 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX1) },
1678 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX1) },
1679 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR1) },
1680 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_SPX2) },
1681 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_MPX2) },
1682 { HID_USB_DEVICE(USB_VENDOR_ID_XIROKU, USB_DEVICE_ID_XIROKU_CSR2) },
1683 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
1684 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1685 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
1686 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
1687
1688 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
1689 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
1690 { }
1691 };
1692
1693 struct hid_dynid {
1694 struct list_head list;
1695 struct hid_device_id id;
1696 };
1697
1698 /**
1699 * store_new_id - add a new HID device ID to this driver and re-probe devices
1700 * @driver: target device driver
1701 * @buf: buffer for scanning device ID data
1702 * @count: input size
1703 *
1704 * Adds a new dynamic hid device ID to this driver,
1705 * and causes the driver to probe for all devices again.
1706 */
store_new_id(struct device_driver * drv,const char * buf,size_t count)1707 static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1708 size_t count)
1709 {
1710 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1711 struct hid_dynid *dynid;
1712 __u32 bus, vendor, product;
1713 unsigned long driver_data = 0;
1714 int ret;
1715
1716 ret = sscanf(buf, "%x %x %x %lx",
1717 &bus, &vendor, &product, &driver_data);
1718 if (ret < 3)
1719 return -EINVAL;
1720
1721 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1722 if (!dynid)
1723 return -ENOMEM;
1724
1725 dynid->id.bus = bus;
1726 dynid->id.vendor = vendor;
1727 dynid->id.product = product;
1728 dynid->id.driver_data = driver_data;
1729
1730 spin_lock(&hdrv->dyn_lock);
1731 list_add_tail(&dynid->list, &hdrv->dyn_list);
1732 spin_unlock(&hdrv->dyn_lock);
1733
1734 ret = driver_attach(&hdrv->driver);
1735
1736 return ret ? : count;
1737 }
1738 static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1739
hid_free_dynids(struct hid_driver * hdrv)1740 static void hid_free_dynids(struct hid_driver *hdrv)
1741 {
1742 struct hid_dynid *dynid, *n;
1743
1744 spin_lock(&hdrv->dyn_lock);
1745 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1746 list_del(&dynid->list);
1747 kfree(dynid);
1748 }
1749 spin_unlock(&hdrv->dyn_lock);
1750 }
1751
hid_match_device(struct hid_device * hdev,struct hid_driver * hdrv)1752 static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1753 struct hid_driver *hdrv)
1754 {
1755 struct hid_dynid *dynid;
1756
1757 spin_lock(&hdrv->dyn_lock);
1758 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1759 if (hid_match_one_id(hdev, &dynid->id)) {
1760 spin_unlock(&hdrv->dyn_lock);
1761 return &dynid->id;
1762 }
1763 }
1764 spin_unlock(&hdrv->dyn_lock);
1765
1766 return hid_match_id(hdev, hdrv->id_table);
1767 }
1768
hid_bus_match(struct device * dev,struct device_driver * drv)1769 static int hid_bus_match(struct device *dev, struct device_driver *drv)
1770 {
1771 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1772 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1773
1774 if ((hdev->quirks & HID_QUIRK_MULTITOUCH) &&
1775 !strncmp(hdrv->name, "hid-multitouch", 14))
1776 return 1;
1777
1778 if (!hid_match_device(hdev, hdrv))
1779 return 0;
1780
1781 /* generic wants all that don't have specialized driver */
1782 if (!strncmp(hdrv->name, "generic-", 8) && !hid_ignore_special_drivers)
1783 return !hid_match_id(hdev, hid_have_special_driver);
1784
1785 return 1;
1786 }
1787
hid_device_probe(struct device * dev)1788 static int hid_device_probe(struct device *dev)
1789 {
1790 struct hid_driver *hdrv = container_of(dev->driver,
1791 struct hid_driver, driver);
1792 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1793 const struct hid_device_id *id;
1794 int ret = 0;
1795
1796 if (down_interruptible(&hdev->driver_lock))
1797 return -EINTR;
1798
1799 if (!hdev->driver) {
1800 id = hid_match_device(hdev, hdrv);
1801 if (id == NULL) {
1802 if (!((hdev->quirks & HID_QUIRK_MULTITOUCH) &&
1803 !strncmp(hdrv->name, "hid-multitouch", 14))) {
1804 ret = -ENODEV;
1805 goto unlock;
1806 }
1807 }
1808
1809 hdev->driver = hdrv;
1810 if (hdrv->probe) {
1811 ret = hdrv->probe(hdev, id);
1812 } else { /* default probe */
1813 ret = hid_parse(hdev);
1814 if (!ret)
1815 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
1816 }
1817 if (ret)
1818 hdev->driver = NULL;
1819 }
1820 unlock:
1821 up(&hdev->driver_lock);
1822 return ret;
1823 }
1824
hid_device_remove(struct device * dev)1825 static int hid_device_remove(struct device *dev)
1826 {
1827 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1828 struct hid_driver *hdrv;
1829
1830 if (down_interruptible(&hdev->driver_lock))
1831 return -EINTR;
1832
1833 hdrv = hdev->driver;
1834 if (hdrv) {
1835 if (hdrv->remove)
1836 hdrv->remove(hdev);
1837 else /* default remove */
1838 hid_hw_stop(hdev);
1839 hdev->driver = NULL;
1840 }
1841
1842 up(&hdev->driver_lock);
1843 return 0;
1844 }
1845
hid_uevent(struct device * dev,struct kobj_uevent_env * env)1846 static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1847 {
1848 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1849
1850 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1851 hdev->bus, hdev->vendor, hdev->product))
1852 return -ENOMEM;
1853
1854 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1855 return -ENOMEM;
1856
1857 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1858 return -ENOMEM;
1859
1860 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1861 return -ENOMEM;
1862
1863 if (add_uevent_var(env, "MODALIAS=hid:b%04Xv%08Xp%08X",
1864 hdev->bus, hdev->vendor, hdev->product))
1865 return -ENOMEM;
1866
1867 return 0;
1868 }
1869
1870 static struct bus_type hid_bus_type = {
1871 .name = "hid",
1872 .match = hid_bus_match,
1873 .probe = hid_device_probe,
1874 .remove = hid_device_remove,
1875 .uevent = hid_uevent,
1876 };
1877
1878 /* a list of devices that shouldn't be handled by HID core at all */
1879 static const struct hid_device_id hid_ignore_list[] = {
1880 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1883 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1884 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1885 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1886 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1888 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1890 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1891 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1893 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
1894 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
1901 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
1904 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
1907 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
1908 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
1909 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
1910 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1912 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1913 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1914 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1915 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1916 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1917 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1918 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1919 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1920 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1921 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1922 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1923 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1924 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
1926 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1927 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1928 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
1929 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
1930 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
1931 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
1932 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
1933 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
1934 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
1935 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
1936 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
1937 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
1938 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
1939 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
1940 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
1941 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
1942 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
1943 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
1944 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
1949 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
1962 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
1963 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
1964 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
1965 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
1967 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
1968 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
1969 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
1970 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
1971 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
1972 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
1973 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
1974 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
1975 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
1976 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
1977 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
1978 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
1979 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
1980 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
1981 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
1982 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
1983 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
1984 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
1985 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
1986 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
1987 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
1988 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
1989 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
1990 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
1991 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
1992 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
1993 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
1994 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
1995 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
1996 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
1997 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
1998 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
1999 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2000 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2001 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
2002 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2003 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2004 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2005 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2006 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2007 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2008 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
2009 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
2010 { HID_USB_DEVICE(USB_VENDOR_ID_MASTERKIT, USB_DEVICE_ID_MASTERKIT_MA901RADIO) },
2011 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2012 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
2013 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2014 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2015 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2016 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2017 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2018 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2019 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2020 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2021 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2022 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2023 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2024 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2025 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2026 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2027 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2028 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2029 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
2030 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
2031 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
2032 #if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2033 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2034 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2035 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2036 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2037 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2038 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2039 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2040 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2041 #endif
2042 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2043 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2044 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2045 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2046 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2047 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2048 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2049 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2050 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2051 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2052 { }
2053 };
2054
2055 /**
2056 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2057 *
2058 * There are composite devices for which we want to ignore only a certain
2059 * interface. This is a list of devices for which only the mouse interface will
2060 * be ignored. This allows a dedicated driver to take care of the interface.
2061 */
2062 static const struct hid_device_id hid_mouse_ignore_list[] = {
2063 /* appletouch driver */
2064 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2065 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2066 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2067 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2068 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2069 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2070 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2071 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2072 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2073 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2074 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2075 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2076 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2077 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2078 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2079 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2080 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2081 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2082 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2083 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
2084 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2085 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2086 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
2087 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2088 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2089 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2090 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2091 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2092 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
2093 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2094 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2095 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
2096 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2097 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2098 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
2099 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2100 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2101 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2102 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2103 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2104 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
2105 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2106 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2107 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
2108 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2109 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2110 { }
2111 };
2112
hid_ignore(struct hid_device * hdev)2113 static bool hid_ignore(struct hid_device *hdev)
2114 {
2115 switch (hdev->vendor) {
2116 case USB_VENDOR_ID_CODEMERCS:
2117 /* ignore all Code Mercenaries IOWarrior devices */
2118 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2119 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2120 return true;
2121 break;
2122 case USB_VENDOR_ID_LOGITECH:
2123 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2124 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2125 return true;
2126 /*
2127 * The Keene FM transmitter USB device has the same USB ID as
2128 * the Logitech AudioHub Speaker, but it should ignore the hid.
2129 * Check if the name is that of the Keene device.
2130 * For reference: the name of the AudioHub is
2131 * "HOLTEK AudioHub Speaker".
2132 */
2133 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2134 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2135 return true;
2136 break;
2137 case USB_VENDOR_ID_SOUNDGRAPH:
2138 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2139 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2140 return true;
2141 break;
2142 case USB_VENDOR_ID_HANWANG:
2143 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2144 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2145 return true;
2146 break;
2147 case USB_VENDOR_ID_JESS:
2148 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2149 hdev->type == HID_TYPE_USBNONE)
2150 return true;
2151 break;
2152 }
2153
2154 if (hdev->type == HID_TYPE_USBMOUSE &&
2155 hid_match_id(hdev, hid_mouse_ignore_list))
2156 return true;
2157
2158 return !!hid_match_id(hdev, hid_ignore_list);
2159 }
2160
hid_add_device(struct hid_device * hdev)2161 int hid_add_device(struct hid_device *hdev)
2162 {
2163 static atomic_t id = ATOMIC_INIT(0);
2164 int ret;
2165
2166 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2167 return -EBUSY;
2168
2169 /* we need to kill them here, otherwise they will stay allocated to
2170 * wait for coming driver */
2171 if (!(hdev->quirks & HID_QUIRK_NO_IGNORE)
2172 && (hid_ignore(hdev) || (hdev->quirks & HID_QUIRK_IGNORE)))
2173 return -ENODEV;
2174
2175 /* XXX hack, any other cleaner solution after the driver core
2176 * is converted to allow more than 20 bytes as the device name? */
2177 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2178 hdev->vendor, hdev->product, atomic_inc_return(&id));
2179
2180 hid_debug_register(hdev, dev_name(&hdev->dev));
2181 ret = device_add(&hdev->dev);
2182 if (!ret)
2183 hdev->status |= HID_STAT_ADDED;
2184 else
2185 hid_debug_unregister(hdev);
2186
2187 return ret;
2188 }
2189 EXPORT_SYMBOL_GPL(hid_add_device);
2190
2191 /**
2192 * hid_allocate_device - allocate new hid device descriptor
2193 *
2194 * Allocate and initialize hid device, so that hid_destroy_device might be
2195 * used to free it.
2196 *
2197 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2198 * error value.
2199 */
hid_allocate_device(void)2200 struct hid_device *hid_allocate_device(void)
2201 {
2202 struct hid_device *hdev;
2203 unsigned int i;
2204 int ret = -ENOMEM;
2205
2206 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2207 if (hdev == NULL)
2208 return ERR_PTR(ret);
2209
2210 device_initialize(&hdev->dev);
2211 hdev->dev.release = hid_device_release;
2212 hdev->dev.bus = &hid_bus_type;
2213
2214 hdev->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
2215 sizeof(struct hid_collection), GFP_KERNEL);
2216 if (hdev->collection == NULL)
2217 goto err;
2218 hdev->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
2219
2220 for (i = 0; i < HID_REPORT_TYPES; i++)
2221 INIT_LIST_HEAD(&hdev->report_enum[i].report_list);
2222
2223 init_waitqueue_head(&hdev->debug_wait);
2224 INIT_LIST_HEAD(&hdev->debug_list);
2225 sema_init(&hdev->driver_lock, 1);
2226
2227 return hdev;
2228 err:
2229 put_device(&hdev->dev);
2230 return ERR_PTR(ret);
2231 }
2232 EXPORT_SYMBOL_GPL(hid_allocate_device);
2233
hid_remove_device(struct hid_device * hdev)2234 static void hid_remove_device(struct hid_device *hdev)
2235 {
2236 if (hdev->status & HID_STAT_ADDED) {
2237 device_del(&hdev->dev);
2238 hid_debug_unregister(hdev);
2239 hdev->status &= ~HID_STAT_ADDED;
2240 }
2241 }
2242
2243 /**
2244 * hid_destroy_device - free previously allocated device
2245 *
2246 * @hdev: hid device
2247 *
2248 * If you allocate hid_device through hid_allocate_device, you should ever
2249 * free by this function.
2250 */
hid_destroy_device(struct hid_device * hdev)2251 void hid_destroy_device(struct hid_device *hdev)
2252 {
2253 hid_remove_device(hdev);
2254 put_device(&hdev->dev);
2255 }
2256 EXPORT_SYMBOL_GPL(hid_destroy_device);
2257
__hid_register_driver(struct hid_driver * hdrv,struct module * owner,const char * mod_name)2258 int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2259 const char *mod_name)
2260 {
2261 int ret;
2262
2263 hdrv->driver.name = hdrv->name;
2264 hdrv->driver.bus = &hid_bus_type;
2265 hdrv->driver.owner = owner;
2266 hdrv->driver.mod_name = mod_name;
2267
2268 INIT_LIST_HEAD(&hdrv->dyn_list);
2269 spin_lock_init(&hdrv->dyn_lock);
2270
2271 ret = driver_register(&hdrv->driver);
2272 if (ret)
2273 return ret;
2274
2275 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2276 if (ret)
2277 driver_unregister(&hdrv->driver);
2278
2279 return ret;
2280 }
2281 EXPORT_SYMBOL_GPL(__hid_register_driver);
2282
hid_unregister_driver(struct hid_driver * hdrv)2283 void hid_unregister_driver(struct hid_driver *hdrv)
2284 {
2285 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
2286 driver_unregister(&hdrv->driver);
2287 hid_free_dynids(hdrv);
2288 }
2289 EXPORT_SYMBOL_GPL(hid_unregister_driver);
2290
hid_check_keys_pressed(struct hid_device * hid)2291 int hid_check_keys_pressed(struct hid_device *hid)
2292 {
2293 struct hid_input *hidinput;
2294 int i;
2295
2296 if (!(hid->claimed & HID_CLAIMED_INPUT))
2297 return 0;
2298
2299 list_for_each_entry(hidinput, &hid->inputs, list) {
2300 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2301 if (hidinput->input->key[i])
2302 return 1;
2303 }
2304
2305 return 0;
2306 }
2307
2308 EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2309
hid_init(void)2310 static int __init hid_init(void)
2311 {
2312 int ret;
2313
2314 if (hid_debug)
2315 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2316 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
2317
2318 ret = bus_register(&hid_bus_type);
2319 if (ret) {
2320 pr_err("can't register hid bus\n");
2321 goto err;
2322 }
2323
2324 ret = hidraw_init();
2325 if (ret)
2326 goto err_bus;
2327
2328 hid_debug_init();
2329
2330 return 0;
2331 err_bus:
2332 bus_unregister(&hid_bus_type);
2333 err:
2334 return ret;
2335 }
2336
hid_exit(void)2337 static void __exit hid_exit(void)
2338 {
2339 hid_debug_exit();
2340 hidraw_exit();
2341 bus_unregister(&hid_bus_type);
2342 }
2343
2344 module_init(hid_init);
2345 module_exit(hid_exit);
2346
2347 MODULE_AUTHOR("Andreas Gal");
2348 MODULE_AUTHOR("Vojtech Pavlik");
2349 MODULE_AUTHOR("Jiri Kosina");
2350 MODULE_LICENSE(DRIVER_LICENSE);
2351
2352