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Merge git://git.infradead.org/users/willy/linux-nvme
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / hid / hid-core.c
CommitLineData
dde5845a 1/*
229695e5 2 * HID support for Linux
dde5845a
JK		 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
6b1968d5 7 * Copyright (c) 2006-2012 Jiri Kosina
dde5845a
JK		 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
4291ee30
JP		 17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
dde5845a
JK		 19#include <linux/module.h>
20#include <linux/slab.h>
21#include <linux/init.h>
22#include <linux/kernel.h>
dde5845a
JK		 23#include <linux/list.h>
24#include <linux/mm.h>
dde5845a
JK		 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>
47a80edb 30#include <linux/vmalloc.h>
c4124c9b 31#include <linux/sched.h>
4ea54542 32#include <linux/semaphore.h>
dde5845a 33
dde5845a
JK		 34#include <linux/hid.h>
35#include <linux/hiddev.h>
c080d89a 36#include <linux/hid-debug.h>
86166b7b 37#include <linux/hidraw.h>
dde5845a 38
5f22a799
JS		 39#include "hid-ids.h"
40
dde5845a
JK		 41/*
42 * Version Information
43 */
44
53149801 45#define DRIVER_DESC "HID core driver"
dde5845a
JK		 46#define DRIVER_LICENSE "GPL"
47
58037eb9 48int hid_debug = 0;
377e10fb 49module_param_named(debug, hid_debug, int, 0600);
cd667ce2 50MODULE_PARM_DESC(debug, "toggle HID debugging messages");
58037eb9 51EXPORT_SYMBOL_GPL(hid_debug);
58037eb9 52
6b1968d5
JK		 53static int hid_ignore_special_drivers = 0;
54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
55MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver");
56
dde5845a
JK		 57/*
58 * Register a new report for a device.
59 */
60
90a006ab 61struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
dde5845a
JK		 62{
63 struct hid_report_enum *report_enum = device->report_enum + type;
64 struct hid_report *report;
65
66 if (report_enum->report_id_hash[id])
67 return report_enum->report_id_hash[id];
68
a3789a17
JP		 69 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
70 if (!report)
dde5845a
JK		 71 return NULL;
72
73 if (id != 0)
74 report_enum->numbered = 1;
75
76 report->id = id;
77 report->type = type;
78 report->size = 0;
79 report->device = device;
80 report_enum->report_id_hash[id] = report;
81
82 list_add_tail(&report->list, &report_enum->report_list);
83
84 return report;
85}
90a006ab 86EXPORT_SYMBOL_GPL(hid_register_report);
dde5845a
JK		 87
88/*
89 * Register a new field for this report.
90 */
91
92static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
93{
94 struct hid_field *field;
f262d1fa 95 int i;
dde5845a
JK		 96
97 if (report->maxfield == HID_MAX_FIELDS) {
8c3d52fc 98 hid_err(report->device, "too many fields in report\n");
dde5845a
JK		 99 return NULL;
100 }
101
a3789a17
JP		 102 field = kzalloc((sizeof(struct hid_field) +
103 usages * sizeof(struct hid_usage) +
104 values * sizeof(unsigned)), GFP_KERNEL);
105 if (!field)
106 return NULL;
dde5845a
JK		 107
108 field->index = report->maxfield++;
109 report->field[field->index] = field;
110 field->usage = (struct hid_usage *)(field + 1);
282bfd4c 111 field->value = (s32 *)(field->usage + usages);
dde5845a
JK		 112 field->report = report;
113
f262d1fa
BT		 114 for (i = 0; i < usages; i++)
115 field->usage[i].usage_index = i;
116
dde5845a
JK		 117 return field;
118}
119
120/*
121 * Open a collection. The type/usage is pushed on the stack.
122 */
123
124static int open_collection(struct hid_parser *parser, unsigned type)
125{
126 struct hid_collection *collection;
127 unsigned usage;
128
129 usage = parser->local.usage[0];
130
131 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
8c3d52fc 132 hid_err(parser->device, "collection stack overflow\n");
a6fbaacf 133 return -EINVAL;
dde5845a
JK		 134 }
135
136 if (parser->device->maxcollection == parser->device->collection_size) {
137 collection = kmalloc(sizeof(struct hid_collection) *
138 parser->device->collection_size * 2, GFP_KERNEL);
139 if (collection == NULL) {
8c3d52fc 140 hid_err(parser->device, "failed to reallocate collection array\n");
a6fbaacf 141 return -ENOMEM;
dde5845a
JK		 142 }
143 memcpy(collection, parser->device->collection,
144 sizeof(struct hid_collection) *
145 parser->device->collection_size);
146 memset(collection + parser->device->collection_size, 0,
147 sizeof(struct hid_collection) *
148 parser->device->collection_size);
149 kfree(parser->device->collection);
150 parser->device->collection = collection;
151 parser->device->collection_size *= 2;
152 }
153
154 parser->collection_stack[parser->collection_stack_ptr++] =
155 parser->device->maxcollection;
156
157 collection = parser->device->collection +
158 parser->device->maxcollection++;
159 collection->type = type;
160 collection->usage = usage;
161 collection->level = parser->collection_stack_ptr - 1;
162
163 if (type == HID_COLLECTION_APPLICATION)
164 parser->device->maxapplication++;
165
166 return 0;
167}
168
169/*
170 * Close a collection.
171 */
172
173static int close_collection(struct hid_parser *parser)
174{
175 if (!parser->collection_stack_ptr) {
8c3d52fc 176 hid_err(parser->device, "collection stack underflow\n");
a6fbaacf 177 return -EINVAL;
dde5845a
JK		 178 }
179 parser->collection_stack_ptr--;
180 return 0;
181}
182
183/*
184 * Climb up the stack, search for the specified collection type
185 * and return the usage.
186 */
187
188static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
189{
504499f2 190 struct hid_collection *collection = parser->device->collection;
dde5845a 191 int n;
504499f2
JP		 192
193 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
194 unsigned index = parser->collection_stack[n];
195 if (collection[index].type == type)
196 return collection[index].usage;
197 }
dde5845a
JK		 198 return 0; /* we know nothing about this usage type */
199}
200
201/*
202 * Add a usage to the temporary parser table.
203 */
204
205static int hid_add_usage(struct hid_parser *parser, unsigned usage)
206{
207 if (parser->local.usage_index >= HID_MAX_USAGES) {
8c3d52fc 208 hid_err(parser->device, "usage index exceeded\n");
dde5845a
JK		 209 return -1;
210 }
211 parser->local.usage[parser->local.usage_index] = usage;
212 parser->local.collection_index[parser->local.usage_index] =
213 parser->collection_stack_ptr ?
214 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
215 parser->local.usage_index++;
216 return 0;
217}
218
219/*
220 * Register a new field for this report.
221 */
222
223static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
224{
225 struct hid_report *report;
226 struct hid_field *field;
227 int usages;
228 unsigned offset;
229 int i;
230
a3789a17
JP		 231 report = hid_register_report(parser->device, report_type, parser->global.report_id);
232 if (!report) {
8c3d52fc 233 hid_err(parser->device, "hid_register_report failed\n");
dde5845a
JK		 234 return -1;
235 }
236
bb2e1976 237 /* Handle both signed and unsigned cases properly */
0cd516c2 238 if ((parser->global.logical_minimum < 0 &&
239 parser->global.logical_maximum <
240 parser->global.logical_minimum) ||
241 (parser->global.logical_minimum >= 0 &&
242 (__u32)parser->global.logical_maximum <
243 (__u32)parser->global.logical_minimum)) {
244 dbg_hid("logical range invalid 0x%x 0x%x\n",
245 parser->global.logical_minimum,
246 parser->global.logical_maximum);
dde5845a
JK		 247 return -1;
248 }
249
250 offset = report->size;
251 report->size += parser->global.report_size * parser->global.report_count;
252
253 if (!parser->local.usage_index) /* Ignore padding fields */
254 return 0;
255
256 usages = max_t(int, parser->local.usage_index, parser->global.report_count);
257
a3789a17
JP		 258 field = hid_register_field(report, usages, parser->global.report_count);
259 if (!field)
dde5845a
JK		 260 return 0;
261
262 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
263 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
264 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
265
266 for (i = 0; i < usages; i++) {
267 int j = i;
268 /* Duplicate the last usage we parsed if we have excess values */
269 if (i >= parser->local.usage_index)
270 j = parser->local.usage_index - 1;
271 field->usage[i].hid = parser->local.usage[j];
272 field->usage[i].collection_index =
273 parser->local.collection_index[j];
274 }
275
276 field->maxusage = usages;
277 field->flags = flags;
278 field->report_offset = offset;
279 field->report_type = report_type;
280 field->report_size = parser->global.report_size;
281 field->report_count = parser->global.report_count;
282 field->logical_minimum = parser->global.logical_minimum;
283 field->logical_maximum = parser->global.logical_maximum;
284 field->physical_minimum = parser->global.physical_minimum;
285 field->physical_maximum = parser->global.physical_maximum;
286 field->unit_exponent = parser->global.unit_exponent;
287 field->unit = parser->global.unit;
288
289 return 0;
290}
291
292/*
293 * Read data value from item.
294 */
295
296static u32 item_udata(struct hid_item *item)
297{
298 switch (item->size) {
880d29f1
JS		 299 case 1: return item->data.u8;
300 case 2: return item->data.u16;
301 case 4: return item->data.u32;
dde5845a
JK		 302 }
303 return 0;
304}
305
306static s32 item_sdata(struct hid_item *item)
307{
308 switch (item->size) {
880d29f1
JS		 309 case 1: return item->data.s8;
310 case 2: return item->data.s16;
311 case 4: return item->data.s32;
dde5845a
JK		 312 }
313 return 0;
314}
315
316/*
317 * Process a global item.
318 */
319
320static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321{
77463838 322 __u32 raw_value;
dde5845a 323 switch (item->tag) {
880d29f1 324 case HID_GLOBAL_ITEM_TAG_PUSH:
dde5845a 325
880d29f1 326 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
8c3d52fc 327 hid_err(parser->device, "global environment stack overflow\n");
880d29f1
JS		 328 return -1;
329 }
dde5845a 330
880d29f1
JS		 331 memcpy(parser->global_stack + parser->global_stack_ptr++,
332 &parser->global, sizeof(struct hid_global));
333 return 0;
dde5845a 334
880d29f1 335 case HID_GLOBAL_ITEM_TAG_POP:
dde5845a 336
880d29f1 337 if (!parser->global_stack_ptr) {
8c3d52fc 338 hid_err(parser->device, "global environment stack underflow\n");
880d29f1
JS		 339 return -1;
340 }
dde5845a 341
880d29f1
JS		 342 memcpy(&parser->global, parser->global_stack +
343 --parser->global_stack_ptr, sizeof(struct hid_global));
344 return 0;
dde5845a 345
880d29f1
JS		 346 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347 parser->global.usage_page = item_udata(item);
348 return 0;
dde5845a 349
880d29f1
JS		 350 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351 parser->global.logical_minimum = item_sdata(item);
352 return 0;
dde5845a 353
880d29f1
JS		 354 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355 if (parser->global.logical_minimum < 0)
356 parser->global.logical_maximum = item_sdata(item);
357 else
358 parser->global.logical_maximum = item_udata(item);
359 return 0;
dde5845a 360
880d29f1
JS		 361 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362 parser->global.physical_minimum = item_sdata(item);
363 return 0;
dde5845a 364
880d29f1
JS		 365 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366 if (parser->global.physical_minimum < 0)
367 parser->global.physical_maximum = item_sdata(item);
368 else
369 parser->global.physical_maximum = item_udata(item);
370 return 0;
dde5845a 371
880d29f1 372 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
77463838
BT		 373 /* Units exponent negative numbers are given through a
374 * two's complement.
375 * See "6.2.2.7 Global Items" for more information. */
376 raw_value = item_udata(item);
377 if (!(raw_value & 0xfffffff0))
378 parser->global.unit_exponent = hid_snto32(raw_value, 4);
379 else
380 parser->global.unit_exponent = raw_value;
880d29f1 381 return 0;
dde5845a 382
880d29f1
JS		 383 case HID_GLOBAL_ITEM_TAG_UNIT:
384 parser->global.unit = item_udata(item);
385 return 0;
dde5845a 386
880d29f1
JS		 387 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
388 parser->global.report_size = item_udata(item);
23408f95 389 if (parser->global.report_size > 128) {
8c3d52fc 390 hid_err(parser->device, "invalid report_size %d\n",
880d29f1
JS		 391 parser->global.report_size);
392 return -1;
393 }
394 return 0;
dde5845a 395
880d29f1
JS		 396 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
397 parser->global.report_count = item_udata(item);
398 if (parser->global.report_count > HID_MAX_USAGES) {
8c3d52fc 399 hid_err(parser->device, "invalid report_count %d\n",
880d29f1
JS		 400 parser->global.report_count);
401 return -1;
402 }
403 return 0;
dde5845a 404
880d29f1
JS		 405 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
406 parser->global.report_id = item_udata(item);
407 if (parser->global.report_id == 0) {
8c3d52fc 408 hid_err(parser->device, "report_id 0 is invalid\n");
dde5845a 409 return -1;
880d29f1
JS		 410 }
411 return 0;
412
413 default:
8c3d52fc 414 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
880d29f1 415 return -1;
dde5845a
JK		 416 }
417}
418
419/*
420 * Process a local item.
421 */
422
423static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
424{
425 __u32 data;
426 unsigned n;
427
dde5845a
JK		 428 data = item_udata(item);
429
430 switch (item->tag) {
880d29f1
JS		 431 case HID_LOCAL_ITEM_TAG_DELIMITER:
432
433 if (data) {
434 /*
435 * We treat items before the first delimiter
436 * as global to all usage sets (branch 0).
437 * In the moment we process only these global
438 * items and the first delimiter set.
439 */
440 if (parser->local.delimiter_depth != 0) {
8c3d52fc 441 hid_err(parser->device, "nested delimiters\n");
880d29f1 442 return -1;
dde5845a 443 }
880d29f1
JS		 444 parser->local.delimiter_depth++;
445 parser->local.delimiter_branch++;
446 } else {
447 if (parser->local.delimiter_depth < 1) {
8c3d52fc 448 hid_err(parser->device, "bogus close delimiter\n");
880d29f1 449 return -1;
dde5845a 450 }
880d29f1
JS		 451 parser->local.delimiter_depth--;
452 }
453 return 1;
dde5845a 454
880d29f1 455 case HID_LOCAL_ITEM_TAG_USAGE:
dde5845a 456
880d29f1
JS		 457 if (parser->local.delimiter_branch > 1) {
458 dbg_hid("alternative usage ignored\n");
459 return 0;
460 }
dde5845a 461
880d29f1
JS		 462 if (item->size <= 2)
463 data = (parser->global.usage_page << 16) + data;
dde5845a 464
880d29f1 465 return hid_add_usage(parser, data);
dde5845a 466
880d29f1 467 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
dde5845a 468
880d29f1
JS		 469 if (parser->local.delimiter_branch > 1) {
470 dbg_hid("alternative usage ignored\n");
dde5845a 471 return 0;
880d29f1 472 }
dde5845a 473
880d29f1
JS		 474 if (item->size <= 2)
475 data = (parser->global.usage_page << 16) + data;
dde5845a 476
880d29f1
JS		 477 parser->local.usage_minimum = data;
478 return 0;
dde5845a 479
880d29f1 480 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
dde5845a 481
880d29f1
JS		 482 if (parser->local.delimiter_branch > 1) {
483 dbg_hid("alternative usage ignored\n");
dde5845a 484 return 0;
880d29f1 485 }
dde5845a 486
880d29f1
JS		 487 if (item->size <= 2)
488 data = (parser->global.usage_page << 16) + data;
dde5845a 489
880d29f1
JS		 490 for (n = parser->local.usage_minimum; n <= data; n++)
491 if (hid_add_usage(parser, n)) {
492 dbg_hid("hid_add_usage failed\n");
493 return -1;
494 }
495 return 0;
496
497 default:
498
499 dbg_hid("unknown local item tag 0x%x\n", item->tag);
500 return 0;
dde5845a
JK		 501 }
502 return 0;
503}
504
505/*
506 * Process a main item.
507 */
508
509static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
510{
511 __u32 data;
512 int ret;
513
514 data = item_udata(item);
515
516 switch (item->tag) {
880d29f1
JS		 517 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
518 ret = open_collection(parser, data & 0xff);
519 break;
520 case HID_MAIN_ITEM_TAG_END_COLLECTION:
521 ret = close_collection(parser);
522 break;
523 case HID_MAIN_ITEM_TAG_INPUT:
524 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
525 break;
526 case HID_MAIN_ITEM_TAG_OUTPUT:
527 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
528 break;
529 case HID_MAIN_ITEM_TAG_FEATURE:
530 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
531 break;
532 default:
8c3d52fc 533 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
880d29f1 534 ret = 0;
dde5845a
JK		 535 }
536
537 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
538
539 return ret;
540}
541
542/*
543 * Process a reserved item.
544 */
545
546static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
547{
58037eb9 548 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
dde5845a
JK		 549 return 0;
550}
551
552/*
553 * Free a report and all registered fields. The field->usage and
554 * field->value table's are allocated behind the field, so we need
555 * only to free(field) itself.
556 */
557
558static void hid_free_report(struct hid_report *report)
559{
560 unsigned n;
561
562 for (n = 0; n < report->maxfield; n++)
563 kfree(report->field[n]);
564 kfree(report);
565}
566
567/*
a7197c2e
HR		 568 * Close report. This function returns the device
569 * state to the point prior to hid_open_report().
dde5845a 570 */
a7197c2e 571static void hid_close_report(struct hid_device *device)
dde5845a 572{
85cdaf52 573 unsigned i, j;
dde5845a
JK		 574
575 for (i = 0; i < HID_REPORT_TYPES; i++) {
576 struct hid_report_enum *report_enum = device->report_enum + i;
577
578 for (j = 0; j < 256; j++) {
579 struct hid_report *report = report_enum->report_id_hash[j];
580 if (report)
581 hid_free_report(report);
582 }
a7197c2e
HR		 583 memset(report_enum, 0, sizeof(*report_enum));
584 INIT_LIST_HEAD(&report_enum->report_list);
dde5845a
JK		 585 }
586
587 kfree(device->rdesc);
a7197c2e
HR		 588 device->rdesc = NULL;
589 device->rsize = 0;
590
767fe787 591 kfree(device->collection);
a7197c2e
HR		 592 device->collection = NULL;
593 device->collection_size = 0;
594 device->maxcollection = 0;
595 device->maxapplication = 0;
596
597 device->status &= ~HID_STAT_PARSED;
598}
599
600/*
601 * Free a device structure, all reports, and all fields.
602 */
603
604static void hid_device_release(struct device *dev)
605{
606 struct hid_device *hid = container_of(dev, struct hid_device, dev);
607
608 hid_close_report(hid);
609 kfree(hid->dev_rdesc);
610 kfree(hid);
dde5845a
JK		 611}
612
613/*
614 * Fetch a report description item from the data stream. We support long
615 * items, though they are not used yet.
616 */
617
618static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
619{
620 u8 b;
621
622 if ((end - start) <= 0)
623 return NULL;
624
625 b = *start++;
626
627 item->type = (b >> 2) & 3;
628 item->tag = (b >> 4) & 15;
629
630 if (item->tag == HID_ITEM_TAG_LONG) {
631
632 item->format = HID_ITEM_FORMAT_LONG;
633
634 if ((end - start) < 2)
635 return NULL;
636
637 item->size = *start++;
638 item->tag = *start++;
639
640 if ((end - start) < item->size)
641 return NULL;
642
643 item->data.longdata = start;
644 start += item->size;
645 return start;
646 }
647
648 item->format = HID_ITEM_FORMAT_SHORT;
649 item->size = b & 3;
650
651 switch (item->size) {
880d29f1
JS		 652 case 0:
653 return start;
dde5845a 654
880d29f1
JS		 655 case 1:
656 if ((end - start) < 1)
657 return NULL;
658 item->data.u8 = *start++;
659 return start;
660
661 case 2:
662 if ((end - start) < 2)
663 return NULL;
664 item->data.u16 = get_unaligned_le16(start);
665 start = (__u8 *)((__le16 *)start + 1);
666 return start;
667
668 case 3:
669 item->size++;
670 if ((end - start) < 4)
671 return NULL;
672 item->data.u32 = get_unaligned_le32(start);
673 start = (__u8 *)((__le32 *)start + 1);
674 return start;
dde5845a
JK		 675 }
676
677 return NULL;
678}
679
734c6609
HR		 680static void hid_scan_usage(struct hid_device *hid, u32 usage)
681{
4fa3a583
HR		 682 if (usage == HID_DG_CONTACTID)
683 hid->group = HID_GROUP_MULTITOUCH;
734c6609
HR		 684}
685
686/*
687 * Scan a report descriptor before the device is added to the bus.
688 * Sets device groups and other properties that determine what driver
689 * to load.
690 */
691static int hid_scan_report(struct hid_device *hid)
692{
693 unsigned int page = 0, delim = 0;
694 __u8 *start = hid->dev_rdesc;
695 __u8 *end = start + hid->dev_rsize;
696 unsigned int u, u_min = 0, u_max = 0;
697 struct hid_item item;
698
699 hid->group = HID_GROUP_GENERIC;
700 while ((start = fetch_item(start, end, &item)) != NULL) {
701 if (item.format != HID_ITEM_FORMAT_SHORT)
702 return -EINVAL;
703 if (item.type == HID_ITEM_TYPE_GLOBAL) {
704 if (item.tag == HID_GLOBAL_ITEM_TAG_USAGE_PAGE)
705 page = item_udata(&item) << 16;
706 } else if (item.type == HID_ITEM_TYPE_LOCAL) {
707 if (delim > 1)
708 break;
709 u = item_udata(&item);
710 if (item.size <= 2)
711 u += page;
712 switch (item.tag) {
713 case HID_LOCAL_ITEM_TAG_DELIMITER:
714 delim += !!u;
715 break;
716 case HID_LOCAL_ITEM_TAG_USAGE:
717 hid_scan_usage(hid, u);
718 break;
719 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
720 u_min = u;
721 break;
722 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
723 u_max = u;
724 for (u = u_min; u <= u_max; u++)
725 hid_scan_usage(hid, u);
726 break;
727 }
83499b52
AH		 728 } else if (page == HID_UP_SENSOR &&
729 item.type == HID_ITEM_TYPE_MAIN &&
730 item.tag == HID_MAIN_ITEM_TAG_BEGIN_COLLECTION &&
6399f335 731 (item_udata(&item) & 0xff) == HID_COLLECTION_PHYSICAL)
83499b52 732 hid->group = HID_GROUP_SENSOR_HUB;
734c6609
HR		 733 }
734
735 return 0;
736}
737
85cdaf52
JS		 738/**
739 * hid_parse_report - parse device report
740 *
741 * @device: hid device
742 * @start: report start
743 * @size: report size
744 *
a7197c2e
HR		 745 * Allocate the device report as read by the bus driver. This function should
746 * only be called from parse() in ll drivers.
747 */
748int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
749{
750 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
751 if (!hid->dev_rdesc)
752 return -ENOMEM;
753 hid->dev_rsize = size;
754 return 0;
755}
756EXPORT_SYMBOL_GPL(hid_parse_report);
757
758/**
759 * hid_open_report - open a driver-specific device report
760 *
761 * @device: hid device
762 *
dde5845a
JK		 763 * Parse a report description into a hid_device structure. Reports are
764 * enumerated, fields are attached to these reports.
85cdaf52 765 * 0 returned on success, otherwise nonzero error value.
a7197c2e
HR		 766 *
767 * This function (or the equivalent hid_parse() macro) should only be
768 * called from probe() in drivers, before starting the device.
dde5845a 769 */
a7197c2e 770int hid_open_report(struct hid_device *device)
dde5845a 771{
dde5845a
JK		 772 struct hid_parser *parser;
773 struct hid_item item;
a7197c2e
HR		 774 unsigned int size;
775 __u8 *start;
86e6b77e 776 __u8 *buf;
dde5845a 777 __u8 *end;
85cdaf52 778 int ret;
dde5845a
JK		 779 static int (*dispatch_type[])(struct hid_parser *parser,
780 struct hid_item *item) = {
781 hid_parser_main,
782 hid_parser_global,
783 hid_parser_local,
784 hid_parser_reserved
785 };
786
a7197c2e
HR		 787 if (WARN_ON(device->status & HID_STAT_PARSED))
788 return -EBUSY;
789
790 start = device->dev_rdesc;
791 if (WARN_ON(!start))
792 return -ENODEV;
793 size = device->dev_rsize;
794
86e6b77e
KD		 795 buf = kmemdup(start, size, GFP_KERNEL);
796 if (buf == NULL)
797 return -ENOMEM;
798
c500c971 799 if (device->driver->report_fixup)
86e6b77e
KD		 800 start = device->driver->report_fixup(device, buf, &size);
801 else
802 start = buf;
c500c971 803
86e6b77e
KD		 804 start = kmemdup(start, size, GFP_KERNEL);
805 kfree(buf);
806 if (start == NULL)
85cdaf52 807 return -ENOMEM;
86e6b77e
KD		 808
809 device->rdesc = start;
dde5845a
JK		 810 device->rsize = size;
811
fe258020 812 parser = vzalloc(sizeof(struct hid_parser));
85cdaf52
JS		 813 if (!parser) {
814 ret = -ENOMEM;
815 goto err;
dde5845a 816 }
85cdaf52 817
dde5845a
JK		 818 parser->device = device;
819
820 end = start + size;
a7197c2e
HR		 821
822 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
823 sizeof(struct hid_collection), GFP_KERNEL);
824 if (!device->collection) {
825 ret = -ENOMEM;
826 goto err;
827 }
828 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
829
85cdaf52 830 ret = -EINVAL;
dde5845a
JK		 831 while ((start = fetch_item(start, end, &item)) != NULL) {
832
833 if (item.format != HID_ITEM_FORMAT_SHORT) {
8c3d52fc 834 hid_err(device, "unexpected long global item\n");
85cdaf52 835 goto err;
dde5845a
JK		 836 }
837
838 if (dispatch_type[item.type](parser, &item)) {
8c3d52fc 839 hid_err(device, "item %u %u %u %u parsing failed\n",
4291ee30
JP		 840 item.format, (unsigned)item.size,
841 (unsigned)item.type, (unsigned)item.tag);
85cdaf52 842 goto err;
dde5845a
JK		 843 }
844
845 if (start == end) {
846 if (parser->collection_stack_ptr) {
8c3d52fc 847 hid_err(device, "unbalanced collection at end of report description\n");
85cdaf52 848 goto err;
dde5845a
JK		 849 }
850 if (parser->local.delimiter_depth) {
8c3d52fc 851 hid_err(device, "unbalanced delimiter at end of report description\n");
85cdaf52 852 goto err;
dde5845a 853 }
47a80edb 854 vfree(parser);
a7197c2e 855 device->status |= HID_STAT_PARSED;
85cdaf52 856 return 0;
dde5845a
JK		 857 }
858 }
859
8c3d52fc 860 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
85cdaf52 861err:
47a80edb 862 vfree(parser);
a7197c2e 863 hid_close_report(device);
85cdaf52 864 return ret;
dde5845a 865}
a7197c2e 866EXPORT_SYMBOL_GPL(hid_open_report);
dde5845a
JK		 867
868/*
869 * Convert a signed n-bit integer to signed 32-bit integer. Common
870 * cases are done through the compiler, the screwed things has to be
871 * done by hand.
872 */
873
874static s32 snto32(__u32 value, unsigned n)
875{
876 switch (n) {
880d29f1
JS		 877 case 8: return ((__s8)value);
878 case 16: return ((__s16)value);
879 case 32: return ((__s32)value);
dde5845a
JK		 880 }
881 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
882}
883
77463838
BT		 884s32 hid_snto32(__u32 value, unsigned n)
885{
886 return snto32(value, n);
887}
888EXPORT_SYMBOL_GPL(hid_snto32);
889
dde5845a
JK		 890/*
891 * Convert a signed 32-bit integer to a signed n-bit integer.
892 */
893
894static u32 s32ton(__s32 value, unsigned n)
895{
896 s32 a = value >> (n - 1);
897 if (a && a != -1)
898 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
899 return value & ((1 << n) - 1);
900}
901
902/*
903 * Extract/implement a data field from/to a little endian report (bit array).
904 *
905 * Code sort-of follows HID spec:
906 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
907 *
908 * While the USB HID spec allows unlimited length bit fields in "report
909 * descriptors", most devices never use more than 16 bits.
910 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
911 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
912 */
913
16ee4cc8
JP		 914static __u32 extract(const struct hid_device *hid, __u8 *report,
915 unsigned offset, unsigned n)
dde5845a
JK		 916{
917 u64 x;
918
c4124c9b 919 if (n > 32)
4291ee30
JP		 920 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
921 n, current->comm);
dde5845a
JK		 922
923 report += offset >> 3; /* adjust byte index */
229695e5 924 offset &= 7; /* now only need bit offset into one byte */
c105068f 925 x = get_unaligned_le64(report);
229695e5 926 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
dde5845a
JK		 927 return (u32) x;
928}
929
930/*
931 * "implement" : set bits in a little endian bit stream.
932 * Same concepts as "extract" (see comments above).
933 * The data mangled in the bit stream remains in little endian
934 * order the whole time. It make more sense to talk about
935 * endianness of register values by considering a register
936 * a "cached" copy of the little endiad bit stream.
937 */
16ee4cc8
JP		 938static void implement(const struct hid_device *hid, __u8 *report,
939 unsigned offset, unsigned n, __u32 value)
dde5845a 940{
6f0168d2 941 u64 x;
dde5845a
JK		 942 u64 m = (1ULL << n) - 1;
943
c4124c9b 944 if (n > 32)
4291ee30
JP		 945 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
946 __func__, n, current->comm);
dde5845a 947
c4124c9b 948 if (value > m)
4291ee30
JP		 949 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
950 __func__, value, current->comm);
dde5845a
JK		 951 WARN_ON(value > m);
952 value &= m;
953
954 report += offset >> 3;
955 offset &= 7;
956
6f0168d2
HH		 957 x = get_unaligned_le64(report);
958 x &= ~(m << offset);
959 x |= ((u64)value) << offset;
960 put_unaligned_le64(x, report);
dde5845a
JK		 961}
962
963/*
964 * Search an array for a value.
965 */
966
16ee4cc8 967static int search(__s32 *array, __s32 value, unsigned n)
dde5845a
JK		 968{
969 while (n--) {
970 if (*array++ == value)
971 return 0;
972 }
973 return -1;
974}
975
85cdaf52
JS		 976/**
977 * hid_match_report - check if driver's raw_event should be called
978 *
979 * @hid: hid device
980 * @report_type: type to match against
981 *
982 * compare hid->driver->report_table->report_type to report->type
983 */
984static int hid_match_report(struct hid_device *hid, struct hid_report *report)
dde5845a 985{
85cdaf52
JS		 986 const struct hid_report_id *id = hid->driver->report_table;
987
988 if (!id) /* NULL means all */
989 return 1;
990
991 for (; id->report_type != HID_TERMINATOR; id++)
992 if (id->report_type == HID_ANY_ID ||
993 id->report_type == report->type)
994 return 1;
995 return 0;
996}
997
998/**
999 * hid_match_usage - check if driver's event should be called
1000 *
1001 * @hid: hid device
1002 * @usage: usage to match against
1003 *
1004 * compare hid->driver->usage_table->usage_{type,code} to
1005 * usage->usage_{type,code}
1006 */
1007static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1008{
1009 const struct hid_usage_id *id = hid->driver->usage_table;
1010
1011 if (!id) /* NULL means all */
1012 return 1;
1013
1014 for (; id->usage_type != HID_ANY_ID - 1; id++)
1015 if ((id->usage_hid == HID_ANY_ID ||
1016 id->usage_hid == usage->hid) &&
1017 (id->usage_type == HID_ANY_ID ||
1018 id->usage_type == usage->type) &&
1019 (id->usage_code == HID_ANY_ID ||
1020 id->usage_code == usage->code))
1021 return 1;
1022 return 0;
1023}
1024
1025static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1026 struct hid_usage *usage, __s32 value, int interrupt)
1027{
1028 struct hid_driver *hdrv = hid->driver;
1029 int ret;
1030
9bfc8da0
HR		 1031 if (!list_empty(&hid->debug_list))
1032 hid_dump_input(hid, usage, value);
85cdaf52
JS		 1033
1034 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1035 ret = hdrv->event(hid, field, usage, value);
1036 if (ret != 0) {
1037 if (ret < 0)
8c3d52fc 1038 hid_err(hid, "%s's event failed with %d\n",
85cdaf52
JS		 1039 hdrv->name, ret);
1040 return;
1041 }
1042 }
1043
dde5845a
JK		 1044 if (hid->claimed & HID_CLAIMED_INPUT)
1045 hidinput_hid_event(hid, field, usage, value);
aa938f79
JK		 1046 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1047 hid->hiddev_hid_event(hid, field, usage, value);
dde5845a
JK		 1048}
1049
1050/*
1051 * Analyse a received field, and fetch the data from it. The field
1052 * content is stored for next report processing (we do differential
1053 * reporting to the layer).
1054 */
1055
abdff0f7
AB		 1056static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1057 __u8 *data, int interrupt)
dde5845a
JK		 1058{
1059 unsigned n;
1060 unsigned count = field->report_count;
1061 unsigned offset = field->report_offset;
1062 unsigned size = field->report_size;
1063 __s32 min = field->logical_minimum;
1064 __s32 max = field->logical_maximum;
1065 __s32 *value;
1066
a3789a17
JP		 1067 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1068 if (!value)
dde5845a
JK		 1069 return;
1070
1071 for (n = 0; n < count; n++) {
1072
4291ee30
JP		 1073 value[n] = min < 0 ?
1074 snto32(extract(hid, data, offset + n * size, size),
1075 size) :
1076 extract(hid, data, offset + n * size, size);
dde5845a 1077
4291ee30
JP		 1078 /* Ignore report if ErrorRollOver */
1079 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1080 value[n] >= min && value[n] <= max &&
1081 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1082 goto exit;
dde5845a
JK		 1083 }
1084
1085 for (n = 0; n < count; n++) {
1086
1087 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1088 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1089 continue;
1090 }
1091
1092 if (field->value[n] >= min && field->value[n] <= max
1093 && field->usage[field->value[n] - min].hid
1094 && search(value, field->value[n], count))
1095 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1096
1097 if (value[n] >= min && value[n] <= max
1098 && field->usage[value[n] - min].hid
1099 && search(field->value, value[n], count))
1100 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1101 }
1102
1103 memcpy(field->value, value, count * sizeof(__s32));
1104exit:
1105 kfree(value);
1106}
dde5845a
JK		 1107
1108/*
1109 * Output the field into the report.
1110 */
1111
4291ee30
JP		 1112static void hid_output_field(const struct hid_device *hid,
1113 struct hid_field *field, __u8 *data)
dde5845a
JK		 1114{
1115 unsigned count = field->report_count;
1116 unsigned offset = field->report_offset;
1117 unsigned size = field->report_size;
1118 unsigned n;
1119
1120 for (n = 0; n < count; n++) {
1121 if (field->logical_minimum < 0) /* signed values */
4291ee30
JP		 1122 implement(hid, data, offset + n * size, size,
1123 s32ton(field->value[n], size));
dde5845a 1124 else /* unsigned values */
4291ee30
JP		 1125 implement(hid, data, offset + n * size, size,
1126 field->value[n]);
dde5845a
JK		 1127 }
1128}
1129
1130/*
1131 * Create a report.
1132 */
1133
229695e5 1134void hid_output_report(struct hid_report *report, __u8 *data)
dde5845a
JK		 1135{
1136 unsigned n;
1137
1138 if (report->id > 0)
1139 *data++ = report->id;
1140
75c28df8 1141 memset(data, 0, ((report->size - 1) >> 3) + 1);
dde5845a 1142 for (n = 0; n < report->maxfield; n++)
4291ee30 1143 hid_output_field(report->device, report->field[n], data);
dde5845a 1144}
229695e5 1145EXPORT_SYMBOL_GPL(hid_output_report);
dde5845a
JK		 1146
1147/*
1148 * Set a field value. The report this field belongs to has to be
1149 * created and transferred to the device, to set this value in the
1150 * device.
1151 */
1152
1153int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1154{
1155 unsigned size = field->report_size;
1156
cd667ce2 1157 hid_dump_input(field->report->device, field->usage + offset, value);
dde5845a
JK		 1158
1159 if (offset >= field->report_count) {
8c3d52fc
JK		 1160 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1161 offset, field->report_count);
dde5845a
JK		 1162 return -1;
1163 }
1164 if (field->logical_minimum < 0) {
1165 if (value != snto32(s32ton(value, size), size)) {
8c3d52fc 1166 hid_err(field->report->device, "value %d is out of range\n", value);
dde5845a
JK		 1167 return -1;
1168 }
1169 }
1170 field->value[offset] = value;
1171 return 0;
1172}
229695e5 1173EXPORT_SYMBOL_GPL(hid_set_field);
dde5845a 1174
85cdaf52
JS		 1175static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1176 const u8 *data)
aa8de2f0 1177{
aa8de2f0 1178 struct hid_report *report;
85cdaf52 1179 unsigned int n = 0; /* Normally report number is 0 */
aa8de2f0 1180
85cdaf52
JS		 1181 /* Device uses numbered reports, data[0] is report number */
1182 if (report_enum->numbered)
1183 n = *data;
aa8de2f0 1184
85cdaf52
JS		 1185 report = report_enum->report_id_hash[n];
1186 if (report == NULL)
1187 dbg_hid("undefined report_id %u received\n", n);
aa8de2f0 1188
85cdaf52
JS		 1189 return report;
1190}
aa8de2f0 1191
b6787242 1192int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
85cdaf52
JS		 1193 int interrupt)
1194{
1195 struct hid_report_enum *report_enum = hid->report_enum + type;
1196 struct hid_report *report;
6d85d037 1197 struct hid_driver *hdrv;
85cdaf52
JS		 1198 unsigned int a;
1199 int rsize, csize = size;
1200 u8 *cdata = data;
b6787242 1201 int ret = 0;
aa8de2f0 1202
85cdaf52
JS		 1203 report = hid_get_report(report_enum, data);
1204 if (!report)
b6787242 1205 goto out;
aa8de2f0 1206
85cdaf52
JS		 1207 if (report_enum->numbered) {
1208 cdata++;
1209 csize--;
aa8de2f0
JK		 1210 }
1211
1212 rsize = ((report->size - 1) >> 3) + 1;
1213
966922f2
AV		 1214 if (rsize > HID_MAX_BUFFER_SIZE)
1215 rsize = HID_MAX_BUFFER_SIZE;
1216
85cdaf52
JS		 1217 if (csize < rsize) {
1218 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1219 csize, rsize);
1220 memset(cdata + csize, 0, rsize - csize);
aa8de2f0
JK		 1221 }
1222
1223 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1224 hid->hiddev_report_event(hid, report);
b6787242
JK		 1225 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1226 ret = hidraw_report_event(hid, data, size);
1227 if (ret)
1228 goto out;
1229 }
aa8de2f0 1230
b94e3c94
MC		 1231 if (hid->claimed != HID_CLAIMED_HIDRAW) {
1232 for (a = 0; a < report->maxfield; a++)
1233 hid_input_field(hid, report->field[a], cdata, interrupt);
6d85d037
BT		 1234 hdrv = hid->driver;
1235 if (hdrv && hdrv->report)
1236 hdrv->report(hid, report);
b94e3c94 1237 }
aa8de2f0
JK		 1238
1239 if (hid->claimed & HID_CLAIMED_INPUT)
1240 hidinput_report_event(hid, report);
b6787242
JK		 1241out:
1242 return ret;
85cdaf52
JS		 1243}
1244EXPORT_SYMBOL_GPL(hid_report_raw_event);
1245
1246/**
1247 * hid_input_report - report data from lower layer (usb, bt...)
1248 *
1249 * @hid: hid device
1250 * @type: HID report type (HID_*_REPORT)
1251 * @data: report contents
1252 * @size: size of data parameter
ff9b00a2 1253 * @interrupt: distinguish between interrupt and control transfers
85cdaf52
JS		 1254 *
1255 * This is data entry for lower layers.
1256 */
1257int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1258{
76c317d6
JL		 1259 struct hid_report_enum *report_enum;
1260 struct hid_driver *hdrv;
85cdaf52 1261 struct hid_report *report;
45dc1ac7 1262 int ret = 0;
85cdaf52 1263
4ea54542 1264 if (!hid)
85cdaf52 1265 return -ENODEV;
4ea54542 1266
c849a614 1267 if (down_trylock(&hid->driver_input_lock))
4ea54542
DH		 1268 return -EBUSY;
1269
1270 if (!hid->driver) {
1271 ret = -ENODEV;
1272 goto unlock;
1273 }
76c317d6
JL		 1274 report_enum = hid->report_enum + type;
1275 hdrv = hid->driver;
85cdaf52
JS		 1276
1277 if (!size) {
1278 dbg_hid("empty report\n");
4ea54542
DH		 1279 ret = -1;
1280 goto unlock;
85cdaf52
JS		 1281 }
1282
b94e3c94 1283 /* Avoid unnecessary overhead if debugfs is disabled */
a5f04b9d
BT		 1284 if (!list_empty(&hid->debug_list))
1285 hid_dump_report(hid, type, data, size);
85cdaf52 1286
1caea61e
JK		 1287 report = hid_get_report(report_enum, data);
1288
4ea54542
DH		 1289 if (!report) {
1290 ret = -1;
1291 goto unlock;
1292 }
85cdaf52
JS		 1293
1294 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1295 ret = hdrv->raw_event(hid, report, data, size);
4ea54542
DH		 1296 if (ret != 0) {
1297 ret = ret < 0 ? ret : 0;
1298 goto unlock;
1299 }
85cdaf52
JS		 1300 }
1301
b6787242 1302 ret = hid_report_raw_event(hid, type, data, size, interrupt);
aa8de2f0 1303
4ea54542 1304unlock:
c849a614 1305 up(&hid->driver_input_lock);
45dc1ac7 1306 return ret;
aa8de2f0
JK		 1307}
1308EXPORT_SYMBOL_GPL(hid_input_report);
1309
0f37cd03
JK		 1310static bool hid_match_one_id(struct hid_device *hdev,
1311 const struct hid_device_id *id)
1312{
7431fb76 1313 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
4d53b801 1314 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
0f37cd03
JK		 1315 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1316 (id->product == HID_ANY_ID || id->product == hdev->product);
1317}
1318
bbc21cfd 1319const struct hid_device_id *hid_match_id(struct hid_device *hdev,
0f37cd03
JK		 1320 const struct hid_device_id *id)
1321{
1322 for (; id->bus; id++)
1323 if (hid_match_one_id(hdev, id))
1324 return id;
1325
1326 return NULL;
1327}
1328
1329static const struct hid_device_id hid_hiddev_list[] = {
c0bd6a42
RH		 1330 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1331 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
0f37cd03
JK		 1332 { }
1333};
1334
1335static bool hid_hiddev(struct hid_device *hdev)
1336{
1337 return !!hid_match_id(hdev, hid_hiddev_list);
1338}
1339
6d3bfb74
AO		 1340
1341static ssize_t
1342read_report_descriptor(struct file *filp, struct kobject *kobj,
1343 struct bin_attribute *attr,
1344 char *buf, loff_t off, size_t count)
1345{
1346 struct device *dev = container_of(kobj, struct device, kobj);
1347 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1348
1349 if (off >= hdev->rsize)
1350 return 0;
1351
1352 if (off + count > hdev->rsize)
1353 count = hdev->rsize - off;
1354
1355 memcpy(buf, hdev->rdesc + off, count);
1356
1357 return count;
1358}
1359
1360static struct bin_attribute dev_bin_attr_report_desc = {
1361 .attr = { .name = "report_descriptor", .mode = 0444 },
1362 .read = read_report_descriptor,
1363 .size = HID_MAX_DESCRIPTOR_SIZE,
1364};
1365
93c10132
JS		 1366int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1367{
1368 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1369 "Joystick", "Gamepad", "Keyboard", "Keypad",
1370 "Multi-Axis Controller"
1371 };
1372 const char *type, *bus;
1373 char buf[64];
1374 unsigned int i;
1375 int len;
6d3bfb74 1376 int ret;
93c10132 1377
b5e5a37e
BN		 1378 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1379 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
3a343ee4
DM		 1380 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1381 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
93c10132
JS		 1382 if (hdev->bus != BUS_USB)
1383 connect_mask &= ~HID_CONNECT_HIDDEV;
0f37cd03
JK		 1384 if (hid_hiddev(hdev))
1385 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
93c10132
JS		 1386
1387 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1388 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1389 hdev->claimed |= HID_CLAIMED_INPUT;
b77c3920 1390
93c10132
JS		 1391 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1392 !hdev->hiddev_connect(hdev,
1393 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1394 hdev->claimed |= HID_CLAIMED_HIDDEV;
1395 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1396 hdev->claimed |= HID_CLAIMED_HIDRAW;
1397
4bc19f62
DH		 1398 /* Drivers with the ->raw_event callback set are not required to connect
1399 * to any other listener. */
1400 if (!hdev->claimed && !hdev->driver->raw_event) {
1401 hid_err(hdev, "device has no listeners, quitting\n");
93c10132
JS		 1402 return -ENODEV;
1403 }
1404
1405 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1406 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1407 hdev->ff_init(hdev);
1408
1409 len = 0;
1410 if (hdev->claimed & HID_CLAIMED_INPUT)
1411 len += sprintf(buf + len, "input");
1412 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1413 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1414 hdev->minor);
1415 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1416 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1417 ((struct hidraw *)hdev->hidraw)->minor);
1418
1419 type = "Device";
1420 for (i = 0; i < hdev->maxcollection; i++) {
1421 struct hid_collection *col = &hdev->collection[i];
1422 if (col->type == HID_COLLECTION_APPLICATION &&
1423 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1424 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1425 type = types[col->usage & 0xffff];
1426 break;
1427 }
1428 }
1429
1430 switch (hdev->bus) {
1431 case BUS_USB:
1432 bus = "USB";
1433 break;
1434 case BUS_BLUETOOTH:
1435 bus = "BLUETOOTH";
1436 break;
1437 default:
1438 bus = "<UNKNOWN>";
1439 }
1440
6d3bfb74
AO		 1441 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1442 if (ret)
1443 hid_warn(hdev,
1444 "can't create sysfs report descriptor attribute err: %d\n", ret);
1445
4291ee30
JP		 1446 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1447 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1448 type, hdev->name, hdev->phys);
93c10132
JS		 1449
1450 return 0;
1451}
1452EXPORT_SYMBOL_GPL(hid_connect);
1453
c4c259bc
JK		 1454void hid_disconnect(struct hid_device *hdev)
1455{
6d3bfb74 1456 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
c4c259bc
JK		 1457 if (hdev->claimed & HID_CLAIMED_INPUT)
1458 hidinput_disconnect(hdev);
1459 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1460 hdev->hiddev_disconnect(hdev);
1461 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1462 hidraw_disconnect(hdev);
1463}
1464EXPORT_SYMBOL_GPL(hid_disconnect);
1465
00315e4f
JK		 1466/*
1467 * A list of devices for which there is a specialized driver on HID bus.
1468 *
1469 * Please note that for multitouch devices (driven by hid-multitouch driver),
1470 * there is a proper autodetection and autoloading in place (based on presence
1471 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1472 * as we are doing the right thing in hid_scan_usage().
83499b52
AH		 1473 *
1474 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1475 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1476 * used as a driver. See hid_scan_report().
00315e4f 1477 */
ce06b9d6 1478static const struct hid_device_id hid_have_special_driver[] = {
14a21cd4
JS		 1479 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1480 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
b7e1b203 1481 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
c0dbcc33 1482 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
8c19a515 1483 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
128537ce 1484 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
a462230e 1485 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
8c19a515
JS		 1486 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1487 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1488 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1489 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1490 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1491 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1492 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1493 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1494 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1495 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1496 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
fef3f571
RF		 1497 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1498 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1499 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
8c19a515
JS		 1500 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1501 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1502 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1503 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1504 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1505 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
9a4a5574
BT		 1506 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1507 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1508 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1509 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1510 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
ee8a1a0a
JS		 1511 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1512 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1513 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
8c19a515
JS		 1514 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1515 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1516 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1517 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1518 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1519 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
a96d6ef3
HR		 1520 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1521 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1522 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
99b9f758
EH		 1523 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1524 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1525 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1526 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1528 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
47340bd9
AB		 1529 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1530 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1531 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
213f9da8
GE		 1532 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1533 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1534 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
4a4c8799
DB		 1535 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1536 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1537 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
f6f554f0
JK		 1538 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1539 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1540 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
b3aec7b6
JK		 1541 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1542 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1543 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
b2e6ad7d
RB		 1544 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1545 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1546 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
8d80da90
DH		 1547 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1548 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1549 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
23aeb61e
CSW		 1550 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1551 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1552 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
f9af7b9e 1553 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
ad734bc1 1554 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
8c19a515
JS		 1555 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1556 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
212da74d 1557 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
b5635b12 1558 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
bf280628 1559 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
c3dc66de 1560 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
3b239cd7 1561 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1ce31b25 1562 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
fcfacfd3 1563 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
b9e4b1e0 1564 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
3596bb92 1565 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
2d8767bb 1566 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
3a370ca1 1567 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
0f221320
JS		 1568 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1569 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
e8d0eab4 1570 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
76c9d8fe 1571 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
0f221320 1572 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
3f866fbd 1573 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
e05eefb9 1574 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
64b386ea 1575 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
04561c5a 1576 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1f243e30 1577 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
5181e594 1578 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
578f3a35 1579 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
5181e594 1580 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
42859e0b 1581 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
949f8fef 1582 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1e093206 1583 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
c2fd1a4e 1584 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
d946e65e 1585 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
ff9bf5a2 1586 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
aaca9cc0 1587 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
4ddfe028 1588 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
fdf93aa3 1589 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
177900e8 1590 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
79422741 1591 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
22ca20b2
NK		 1592 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1593 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1594 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
b5635b12 1595 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
75b07022 1596 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
aad932e7
AF		 1597#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
1598 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1599#endif
5f22a799
JS		 1600 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1601 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1602 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1603 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
5844c1cd 1604 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
5f22a799
JS		 1605 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1606 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1607 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
5f22a799
JS		 1608 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1609 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
5f22a799
JS		 1610 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1611 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
2c6118e4 1612 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
606bd0a8
JS		 1613 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1614 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1615 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
fd30ea8c 1616 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
606bd0a8 1617 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
74f292ca 1618 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
606bd0a8
JS		 1619 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1620 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
5623a24a 1621 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
e00ddc9b 1622 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
243b706d 1623 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
fdc6807f 1624 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
0944e964 1625#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
534a7b8e
NLC		 1626 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1627 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
0944e964 1628#endif
32c88cbc 1629 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
606bd0a8 1630 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
24985cf6
JK		 1631 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1632 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
236db47c
BP		 1633 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1634 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
b580169a 1635 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
78a849a6
JS		 1636 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1637 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
89759e20 1638 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
78a849a6
JS		 1639 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1640 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
f3b83d71 1641 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
78a849a6 1642 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
3b8006e5 1643 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
94011f93 1644 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
6e32819e 1645 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1646 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1647 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1648 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1649 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1650 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1651 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1652 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1653 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1654 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1655 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1656 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1657 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1658 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1659 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1660 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1661 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1662 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
270fdc07 1663 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
cd9ec30d 1664 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
1e762532 1665 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
f6a04605 1666 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
ca9bbdcc 1667#if IS_ENABLED(CONFIG_HID_ROCCAT)
14bf62cd 1668 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
e68cc603 1669 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
d41c2a70 1670 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
47dbdbff 1671 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
8936aa31 1672 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
0e70f97f 1673 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
4424f616 1674 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
cb7cf3da 1675 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
3fce2246 1676 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
6a2a6390 1677 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
ca9bbdcc 1678#endif
1e93674a 1679 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
980a3da6 1680 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
b355850b 1681 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
d586dca0 1682 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
5844c1cd 1683 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
bd28ce00 1684 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
35dca5b4 1685 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
f9ce7c28 1686 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
cc6e0bbb 1687 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
75dbb953 1688 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
90231e7e 1689 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
30ba2fbd 1690 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
daedb3d6
AH		 1691 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1692 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
7a84b133
RAG		 1693 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1694 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
daedb3d6 1695 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
3ee8f0a2 1696 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
daedb3d6 1697 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
d65c3768 1698 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
740363fb 1699 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
44ea35c1 1700 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
f14f526d 1701 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
54001081 1702 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
711a680e 1703 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
41fa9230 1704 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
f8a489cc
NK		 1705 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1706 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1707 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
6be914f1 1708 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
d1257081 1709 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
eb4e426a 1710 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
fac733f0 1711 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
42fc04e5 1712 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
ad395cca 1713 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1bcc2067
SY		 1714 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1715 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1716 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
ca2dcd40 1717 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
78761ff9 1718 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
72a46344 1719 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
00e7f964 1720 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
4fdc18d1 1721 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
a786e83c 1722 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
72a46344 1723 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
8f1acc32 1724 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
d2ee4dd9 1725 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
74bc6953 1726 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
daedb3d6
AH		 1727 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1728 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
a9885c8f 1729 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
8c19a515 1730
78a849a6 1731 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
02fb72a0 1732 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
a33042fa 1733 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
85cdaf52
JS		 1734 { }
1735};
1736
3a6f82f7
JS		 1737struct hid_dynid {
1738 struct list_head list;
1739 struct hid_device_id id;
1740};
1741
1742/**
1743 * store_new_id - add a new HID device ID to this driver and re-probe devices
1744 * @driver: target device driver
1745 * @buf: buffer for scanning device ID data
1746 * @count: input size
1747 *
1748 * Adds a new dynamic hid device ID to this driver,
1749 * and causes the driver to probe for all devices again.
1750 */
1751static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1752 size_t count)
1753{
1754 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1755 struct hid_dynid *dynid;
1756 __u32 bus, vendor, product;
1757 unsigned long driver_data = 0;
1758 int ret;
1759
1760 ret = sscanf(buf, "%x %x %x %lx",
1761 &bus, &vendor, &product, &driver_data);
1762 if (ret < 3)
1763 return -EINVAL;
1764
1765 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1766 if (!dynid)
1767 return -ENOMEM;
1768
1769 dynid->id.bus = bus;
4d53b801 1770 dynid->id.group = HID_GROUP_ANY;
3a6f82f7
JS		 1771 dynid->id.vendor = vendor;
1772 dynid->id.product = product;
1773 dynid->id.driver_data = driver_data;
1774
1775 spin_lock(&hdrv->dyn_lock);
1776 list_add_tail(&dynid->list, &hdrv->dyn_list);
1777 spin_unlock(&hdrv->dyn_lock);
1778
cef9bc56 1779 ret = driver_attach(&hdrv->driver);
3a6f82f7
JS		 1780
1781 return ret ? : count;
1782}
1783static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
1784
1785static void hid_free_dynids(struct hid_driver *hdrv)
1786{
1787 struct hid_dynid *dynid, *n;
1788
1789 spin_lock(&hdrv->dyn_lock);
1790 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
1791 list_del(&dynid->list);
1792 kfree(dynid);
1793 }
1794 spin_unlock(&hdrv->dyn_lock);
1795}
1796
1797static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
1798 struct hid_driver *hdrv)
1799{
1800 struct hid_dynid *dynid;
1801
1802 spin_lock(&hdrv->dyn_lock);
1803 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
1804 if (hid_match_one_id(hdev, &dynid->id)) {
1805 spin_unlock(&hdrv->dyn_lock);
1806 return &dynid->id;
1807 }
1808 }
1809 spin_unlock(&hdrv->dyn_lock);
1810
1811 return hid_match_id(hdev, hdrv->id_table);
1812}
1813
85cdaf52
JS		 1814static int hid_bus_match(struct device *dev, struct device_driver *drv)
1815{
1816 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1817 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1818
070748ed 1819 return hid_match_device(hdev, hdrv) != NULL;
85cdaf52
JS		 1820}
1821
1822static int hid_device_probe(struct device *dev)
1823{
1824 struct hid_driver *hdrv = container_of(dev->driver,
1825 struct hid_driver, driver);
1826 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1827 const struct hid_device_id *id;
1828 int ret = 0;
1829
4ea54542
DH		 1830 if (down_interruptible(&hdev->driver_lock))
1831 return -EINTR;
c849a614
AR		 1832 if (down_interruptible(&hdev->driver_input_lock)) {
1833 ret = -EINTR;
1834 goto unlock_driver_lock;
1835 }
1836 hdev->io_started = false;
4ea54542 1837
85cdaf52 1838 if (!hdev->driver) {
3a6f82f7 1839 id = hid_match_device(hdev, hdrv);
ba623a77 1840 if (id == NULL) {
4fa3a583
HR		 1841 ret = -ENODEV;
1842 goto unlock;
ba623a77 1843 }
85cdaf52 1844
c500c971
JS		 1845 hdev->driver = hdrv;
1846 if (hdrv->probe) {
1847 ret = hdrv->probe(hdev, id);
1848 } else { /* default probe */
a7197c2e 1849 ret = hid_open_report(hdev);
c500c971 1850 if (!ret)
93c10132 1851 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
85cdaf52 1852 }
a7197c2e
HR		 1853 if (ret) {
1854 hid_close_report(hdev);
c500c971 1855 hdev->driver = NULL;
a7197c2e 1856 }
85cdaf52 1857 }
ba623a77 1858unlock:
c849a614
AR		 1859 if (!hdev->io_started)
1860 up(&hdev->driver_input_lock);
1861unlock_driver_lock:
4ea54542 1862 up(&hdev->driver_lock);
85cdaf52
JS		 1863 return ret;
1864}
1865
1866static int hid_device_remove(struct device *dev)
1867{
1868 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
4ea54542 1869 struct hid_driver *hdrv;
c849a614 1870 int ret = 0;
4ea54542
DH		 1871
1872 if (down_interruptible(&hdev->driver_lock))
1873 return -EINTR;
c849a614
AR		 1874 if (down_interruptible(&hdev->driver_input_lock)) {
1875 ret = -EINTR;
1876 goto unlock_driver_lock;
1877 }
1878 hdev->io_started = false;
85cdaf52 1879
4ea54542 1880 hdrv = hdev->driver;
85cdaf52
JS		 1881 if (hdrv) {
1882 if (hdrv->remove)
1883 hdrv->remove(hdev);
c500c971
JS		 1884 else /* default remove */
1885 hid_hw_stop(hdev);
a7197c2e 1886 hid_close_report(hdev);
85cdaf52
JS		 1887 hdev->driver = NULL;
1888 }
1889
c849a614
AR		 1890 if (!hdev->io_started)
1891 up(&hdev->driver_input_lock);
1892unlock_driver_lock:
4ea54542 1893 up(&hdev->driver_lock);
c849a614 1894 return ret;
85cdaf52
JS		 1895}
1896
4d53b801
HR		 1897static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
1898 char *buf)
1899{
1900 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1901 int len;
1902
1903 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
1904 hdev->bus, hdev->group, hdev->vendor, hdev->product);
1905
1906 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
1907}
1908
1909static struct device_attribute hid_dev_attrs[] = {
1910 __ATTR_RO(modalias),
1911 __ATTR_NULL,
1912};
1913
85cdaf52
JS		 1914static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
1915{
1916 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1917
1918 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
1919 hdev->bus, hdev->vendor, hdev->product))
1920 return -ENOMEM;
1921
1922 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
1923 return -ENOMEM;
1924
1925 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
1926 return -ENOMEM;
1927
1928 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
1929 return -ENOMEM;
1930
4d53b801
HR		 1931 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
1932 hdev->bus, hdev->group, hdev->vendor, hdev->product))
85cdaf52
JS		 1933 return -ENOMEM;
1934
1935 return 0;
1936}
1937
1938static struct bus_type hid_bus_type = {
1939 .name = "hid",
4d53b801 1940 .dev_attrs = hid_dev_attrs,
85cdaf52
JS		 1941 .match = hid_bus_match,
1942 .probe = hid_device_probe,
1943 .remove = hid_device_remove,
1944 .uevent = hid_uevent,
1945};
1946
bae7eb33 1947/* a list of devices that shouldn't be handled by HID core at all */
d458a9df
JS		 1948static const struct hid_device_id hid_ignore_list[] = {
1949 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
77f720b7
SC		 1961 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
1962 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
62a56582 1963 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
11030183 1964 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
d458a9df
JS		 1965 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
1967 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
1968 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
1969 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
1970 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
5f6108cf 1971 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
d458a9df
JS		 1972 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
1973 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
73bc7d31 1974 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
789aaa2e 1975 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
d458a9df 1976 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
70c66567 1977 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
df506f2c 1978 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
b1807719 1979 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
d458a9df 1980 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
d458a9df
JS		 1981 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
1982 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
1983 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
1984 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
1985 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
1986 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
1987 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
1988 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
1989 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
1990 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
1991 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
1992 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
1993 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
1994 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
1995 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
8e2ce73e 1996 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
d458a9df
JS		 1997 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
1998 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
1999 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2000 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2001 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2002 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2003 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2004 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2005 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2006 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2007 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2008 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2009 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2010 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2011 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2012 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2013 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2014 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2015 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2016 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2017 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2018 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2019 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2020 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2021 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2022 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2023 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2024 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2025 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2026 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2027 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2028 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2029 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2030 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2031 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2032 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2033 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2034 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2035 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2036 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2037 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2038 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2039 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2040 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2041 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2042 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2043 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
2044 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
c91c21c5 2045 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
d458a9df 2046 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
eb8141cc 2047 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
d458a9df 2048 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
ce97cac8 2049 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
d458a9df 2050 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
ce97cac8 2051 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
d458a9df 2052 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
ce97cac8
MH		 2053 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2054 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2055 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2056 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2057 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2058 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
d458a9df
JS		 2059 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2060 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2061 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
ce97cac8
MH		 2062 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2063 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2064 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
d458a9df
JS		 2065 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2066 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
ce97cac8 2067 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
d458a9df
JS		 2068 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2069 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2070 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2071 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2072 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
ce97cac8
MH		 2073 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2074 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2075 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2076 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2077 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2078 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2079 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
3ffb62cb 2080 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
d458a9df
JS		 2081 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2082 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
d458a9df
JS		 2083 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2084 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2085 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2086 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2087 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2088 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2089 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2090 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2091 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2092 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2093 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2094 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2095 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2096 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2097 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2098 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2099 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
4cfae3e8 2100 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
35cfd1d9 2101 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
8491ee10
JS		 2102#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2103 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2104 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2105 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2106 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2107 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2108 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2109 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2110 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2111#endif
d458a9df
JS		 2112 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2113 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2114 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2115 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2116 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2117 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2118 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2119 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2120 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2121 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2122 { }
2123};
2124
b4d8e473
JS		 2125/**
2126 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2127 *
2128 * There are composite devices for which we want to ignore only a certain
2129 * interface. This is a list of devices for which only the mouse interface will
2130 * be ignored. This allows a dedicated driver to take care of the interface.
2131 */
2132static const struct hid_device_id hid_mouse_ignore_list[] = {
2133 /* appletouch driver */
2134 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2135 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2136 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2137 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2138 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2139 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2140 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2141 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2142 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2143 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2144 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2145 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2146 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2147 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2148 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2149 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2150 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2151 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2152 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2153 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
ac26fca3
JK		 2154 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2155 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2156 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
99b9f758
EH		 2157 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2158 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2159 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2160 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2161 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2162 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
47340bd9
AB		 2163 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2164 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2165 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
213f9da8
GE		 2166 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2167 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2168 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
4b086910
JK		 2169 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2170 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2171 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2172 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2173 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2174 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
b2e6ad7d
RB		 2175 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2176 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2177 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
8d80da90
DH		 2178 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2179 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2180 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
b4d8e473
JS		 2181 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2182 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2183 { }
2184};
2185
4529eefa 2186bool hid_ignore(struct hid_device *hdev)
d458a9df 2187{
4529eefa
LS		 2188 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2189 return false;
2190 if (hdev->quirks & HID_QUIRK_IGNORE)
2191 return true;
2192
d458a9df
JS		 2193 switch (hdev->vendor) {
2194 case USB_VENDOR_ID_CODEMERCS:
2195 /* ignore all Code Mercenaries IOWarrior devices */
2196 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2197 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2198 return true;
2199 break;
2200 case USB_VENDOR_ID_LOGITECH:
2201 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2202 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2203 return true;
65dd3b69
HV		 2204 /*
2205 * The Keene FM transmitter USB device has the same USB ID as
2206 * the Logitech AudioHub Speaker, but it should ignore the hid.
2207 * Check if the name is that of the Keene device.
2208 * For reference: the name of the AudioHub is
2209 * "HOLTEK AudioHub Speaker".
2210 */
2211 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2212 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2213 return true;
d458a9df 2214 break;
31f7fd79
JW		 2215 case USB_VENDOR_ID_SOUNDGRAPH:
2216 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2217 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2218 return true;
2219 break;
bba5394a
XW		 2220 case USB_VENDOR_ID_HANWANG:
2221 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2222 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2223 return true;
2224 break;
6dc1418e
TS		 2225 case USB_VENDOR_ID_JESS:
2226 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2227 hdev->type == HID_TYPE_USBNONE)
2228 return true;
729b814a
FB		 2229 break;
2230 case USB_VENDOR_ID_DWAV:
2231 /* These are handled by usbtouchscreen. hdev->type is probably
2232 * HID_TYPE_USBNONE, but we say !HID_TYPE_USBMOUSE to match
2233 * usbtouchscreen. */
2234 if ((hdev->product == USB_DEVICE_ID_EGALAX_TOUCHCONTROLLER ||
2235 hdev->product == USB_DEVICE_ID_DWAV_TOUCHCONTROLLER) &&
2236 hdev->type != HID_TYPE_USBMOUSE)
2237 return true;
2238 break;
30b6b7d8
IA		 2239 case USB_VENDOR_ID_VELLEMAN:
2240 /* These are not HID devices. They are handled by comedi. */
2241 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2242 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2243 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2244 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2245 return true;
2246 break;
5b4617d8
AK		 2247 case USB_VENDOR_ID_ATMEL_V_USB:
2248 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2249 * it has the same USB ID as many Atmel V-USB devices. This
2250 * usb radio is handled by radio-ma901.c driver so we want
2251 * ignore the hid. Check the name, bus, product and ignore
2252 * if we have MA901 usb radio.
2253 */
2254 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2255 hdev->bus == BUS_USB &&
2256 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2257 return true;
2258 break;
d458a9df
JS		 2259 }
2260
b4d8e473
JS		 2261 if (hdev->type == HID_TYPE_USBMOUSE &&
2262 hid_match_id(hdev, hid_mouse_ignore_list))
2263 return true;
2264
d458a9df
JS		 2265 return !!hid_match_id(hdev, hid_ignore_list);
2266}
4529eefa 2267EXPORT_SYMBOL_GPL(hid_ignore);
d458a9df 2268
85cdaf52
JS		 2269int hid_add_device(struct hid_device *hdev)
2270{
2271 static atomic_t id = ATOMIC_INIT(0);
2272 int ret;
2273
2274 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2275 return -EBUSY;
2276
d458a9df
JS		 2277 /* we need to kill them here, otherwise they will stay allocated to
2278 * wait for coming driver */
4529eefa 2279 if (hid_ignore(hdev))
d458a9df
JS		 2280 return -ENODEV;
2281
a7197c2e
HR		 2282 /*
2283 * Read the device report descriptor once and use as template
2284 * for the driver-specific modifications.
2285 */
2286 ret = hdev->ll_driver->parse(hdev);
2287 if (ret)
2288 return ret;
2289 if (!hdev->dev_rdesc)
2290 return -ENODEV;
2291
734c6609
HR		 2292 /*
2293 * Scan generic devices for group information
2294 */
2295 if (hid_ignore_special_drivers ||
2296 !hid_match_id(hdev, hid_have_special_driver)) {
2297 ret = hid_scan_report(hdev);
2298 if (ret)
2299 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2300 }
2301
6bbe586f
KS		 2302 /* XXX hack, any other cleaner solution after the driver core
2303 * is converted to allow more than 20 bytes as the device name? */
2304 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2305 hdev->vendor, hdev->product, atomic_inc_return(&id));
85cdaf52 2306
4da361b6 2307 hid_debug_register(hdev, dev_name(&hdev->dev));
85cdaf52
JS		 2308 ret = device_add(&hdev->dev);
2309 if (!ret)
2310 hdev->status |= HID_STAT_ADDED;
4da361b6
BP		 2311 else
2312 hid_debug_unregister(hdev);
a635f9dd 2313
85cdaf52
JS		 2314 return ret;
2315}
2316EXPORT_SYMBOL_GPL(hid_add_device);
2317
2318/**
2319 * hid_allocate_device - allocate new hid device descriptor
2320 *
2321 * Allocate and initialize hid device, so that hid_destroy_device might be
2322 * used to free it.
2323 *
2324 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2325 * error value.
2326 */
2327struct hid_device *hid_allocate_device(void)
2328{
2329 struct hid_device *hdev;
85cdaf52
JS		 2330 int ret = -ENOMEM;
2331
2332 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2333 if (hdev == NULL)
2334 return ERR_PTR(ret);
2335
2336 device_initialize(&hdev->dev);
2337 hdev->dev.release = hid_device_release;
2338 hdev->dev.bus = &hid_bus_type;
2339
a7197c2e 2340 hid_close_report(hdev);
85cdaf52 2341
cd667ce2
JK		 2342 init_waitqueue_head(&hdev->debug_wait);
2343 INIT_LIST_HEAD(&hdev->debug_list);
2353f2be 2344 mutex_init(&hdev->debug_list_lock);
4ea54542 2345 sema_init(&hdev->driver_lock, 1);
c849a614 2346 sema_init(&hdev->driver_input_lock, 1);
cd667ce2 2347
85cdaf52 2348 return hdev;
85cdaf52
JS		 2349}
2350EXPORT_SYMBOL_GPL(hid_allocate_device);
2351
2352static void hid_remove_device(struct hid_device *hdev)
2353{
2354 if (hdev->status & HID_STAT_ADDED) {
2355 device_del(&hdev->dev);
a635f9dd 2356 hid_debug_unregister(hdev);
85cdaf52
JS		 2357 hdev->status &= ~HID_STAT_ADDED;
2358 }
a7197c2e
HR		 2359 kfree(hdev->dev_rdesc);
2360 hdev->dev_rdesc = NULL;
2361 hdev->dev_rsize = 0;
85cdaf52
JS		 2362}
2363
2364/**
2365 * hid_destroy_device - free previously allocated device
2366 *
2367 * @hdev: hid device
2368 *
2369 * If you allocate hid_device through hid_allocate_device, you should ever
2370 * free by this function.
2371 */
2372void hid_destroy_device(struct hid_device *hdev)
2373{
2374 hid_remove_device(hdev);
2375 put_device(&hdev->dev);
2376}
2377EXPORT_SYMBOL_GPL(hid_destroy_device);
2378
2379int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2380 const char *mod_name)
2381{
3a6f82f7
JS		 2382 int ret;
2383
85cdaf52
JS		 2384 hdrv->driver.name = hdrv->name;
2385 hdrv->driver.bus = &hid_bus_type;
2386 hdrv->driver.owner = owner;
2387 hdrv->driver.mod_name = mod_name;
2388
3a6f82f7
JS		 2389 INIT_LIST_HEAD(&hdrv->dyn_list);
2390 spin_lock_init(&hdrv->dyn_lock);
2391
2392 ret = driver_register(&hdrv->driver);
2393 if (ret)
2394 return ret;
2395
2396 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2397 if (ret)
2398 driver_unregister(&hdrv->driver);
2399
2400 return ret;
85cdaf52
JS		 2401}
2402EXPORT_SYMBOL_GPL(__hid_register_driver);
2403
2404void hid_unregister_driver(struct hid_driver *hdrv)
2405{
3a6f82f7 2406 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
85cdaf52 2407 driver_unregister(&hdrv->driver);
3a6f82f7 2408 hid_free_dynids(hdrv);
85cdaf52
JS		 2409}
2410EXPORT_SYMBOL_GPL(hid_unregister_driver);
2411
0361a28d
ON		 2412int hid_check_keys_pressed(struct hid_device *hid)
2413{
2414 struct hid_input *hidinput;
2415 int i;
2416
e5288eb5
JK		 2417 if (!(hid->claimed & HID_CLAIMED_INPUT))
2418 return 0;
2419
0361a28d
ON		 2420 list_for_each_entry(hidinput, &hid->inputs, list) {
2421 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2422 if (hidinput->input->key[i])
2423 return 1;
2424 }
2425
2426 return 0;
2427}
2428
2429EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2430
86166b7b
JK		 2431static int __init hid_init(void)
2432{
85cdaf52
JS		 2433 int ret;
2434
a635f9dd 2435 if (hid_debug)
4291ee30
JP		 2436 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2437 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
a635f9dd 2438
85cdaf52
JS		 2439 ret = bus_register(&hid_bus_type);
2440 if (ret) {
4291ee30 2441 pr_err("can't register hid bus\n");
85cdaf52
JS		 2442 goto err;
2443 }
2444
2445 ret = hidraw_init();
2446 if (ret)
2447 goto err_bus;
2448
a635f9dd
JK		 2449 hid_debug_init();
2450
85cdaf52
JS		 2451 return 0;
2452err_bus:
2453 bus_unregister(&hid_bus_type);
2454err:
2455 return ret;
86166b7b
JK		 2456}
2457
2458static void __exit hid_exit(void)
2459{
a635f9dd 2460 hid_debug_exit();
86166b7b 2461 hidraw_exit();
85cdaf52 2462 bus_unregister(&hid_bus_type);
86166b7b
JK		 2463}
2464
2465module_init(hid_init);
2466module_exit(hid_exit);
2467
88adb72b
JK		 2468MODULE_AUTHOR("Andreas Gal");
2469MODULE_AUTHOR("Vojtech Pavlik");
2470MODULE_AUTHOR("Jiri Kosina");
aa938f79
JK		 2471MODULE_LICENSE(DRIVER_LICENSE);
2472
kernel source for telekom puls (alcatel/mediatek)