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HID: sony: Remove the size check for the Dualshock 4 HID Descriptor
[mirror_ubuntu-artful-kernel.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);
643727a9 55MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
6b1968d5 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
43622021
KC		 66 if (id >= HID_MAX_IDS)
67 return NULL;
dde5845a
JK		 68 if (report_enum->report_id_hash[id])
69 return report_enum->report_id_hash[id];
70
a3789a17
JP		 71 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
72 if (!report)
dde5845a
JK		 73 return NULL;
74
75 if (id != 0)
76 report_enum->numbered = 1;
77
78 report->id = id;
79 report->type = type;
80 report->size = 0;
81 report->device = device;
82 report_enum->report_id_hash[id] = report;
83
84 list_add_tail(&report->list, &report_enum->report_list);
85
86 return report;
87}
90a006ab 88EXPORT_SYMBOL_GPL(hid_register_report);
dde5845a
JK		 89
90/*
91 * Register a new field for this report.
92 */
93
94static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
95{
96 struct hid_field *field;
97
98 if (report->maxfield == HID_MAX_FIELDS) {
8c3d52fc 99 hid_err(report->device, "too many fields in report\n");
dde5845a
JK		 100 return NULL;
101 }
102
a3789a17
JP		 103 field = kzalloc((sizeof(struct hid_field) +
104 usages * sizeof(struct hid_usage) +
105 values * sizeof(unsigned)), GFP_KERNEL);
106 if (!field)
107 return NULL;
dde5845a
JK		 108
109 field->index = report->maxfield++;
110 report->field[field->index] = field;
111 field->usage = (struct hid_usage *)(field + 1);
282bfd4c 112 field->value = (s32 *)(field->usage + usages);
dde5845a
JK		 113 field->report = report;
114
115 return field;
116}
117
118/*
119 * Open a collection. The type/usage is pushed on the stack.
120 */
121
122static int open_collection(struct hid_parser *parser, unsigned type)
123{
124 struct hid_collection *collection;
125 unsigned usage;
126
127 usage = parser->local.usage[0];
128
129 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
8c3d52fc 130 hid_err(parser->device, "collection stack overflow\n");
a6fbaacf 131 return -EINVAL;
dde5845a
JK		 132 }
133
134 if (parser->device->maxcollection == parser->device->collection_size) {
135 collection = kmalloc(sizeof(struct hid_collection) *
136 parser->device->collection_size * 2, GFP_KERNEL);
137 if (collection == NULL) {
8c3d52fc 138 hid_err(parser->device, "failed to reallocate collection array\n");
a6fbaacf 139 return -ENOMEM;
dde5845a
JK		 140 }
141 memcpy(collection, parser->device->collection,
142 sizeof(struct hid_collection) *
143 parser->device->collection_size);
144 memset(collection + parser->device->collection_size, 0,
145 sizeof(struct hid_collection) *
146 parser->device->collection_size);
147 kfree(parser->device->collection);
148 parser->device->collection = collection;
149 parser->device->collection_size *= 2;
150 }
151
152 parser->collection_stack[parser->collection_stack_ptr++] =
153 parser->device->maxcollection;
154
155 collection = parser->device->collection +
156 parser->device->maxcollection++;
157 collection->type = type;
158 collection->usage = usage;
159 collection->level = parser->collection_stack_ptr - 1;
160
161 if (type == HID_COLLECTION_APPLICATION)
162 parser->device->maxapplication++;
163
164 return 0;
165}
166
167/*
168 * Close a collection.
169 */
170
171static int close_collection(struct hid_parser *parser)
172{
173 if (!parser->collection_stack_ptr) {
8c3d52fc 174 hid_err(parser->device, "collection stack underflow\n");
a6fbaacf 175 return -EINVAL;
dde5845a
JK		 176 }
177 parser->collection_stack_ptr--;
178 return 0;
179}
180
181/*
182 * Climb up the stack, search for the specified collection type
183 * and return the usage.
184 */
185
186static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
187{
504499f2 188 struct hid_collection *collection = parser->device->collection;
dde5845a 189 int n;
504499f2
JP		 190
191 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
192 unsigned index = parser->collection_stack[n];
193 if (collection[index].type == type)
194 return collection[index].usage;
195 }
dde5845a
JK		 196 return 0; /* we know nothing about this usage type */
197}
198
199/*
200 * Add a usage to the temporary parser table.
201 */
202
203static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204{
205 if (parser->local.usage_index >= HID_MAX_USAGES) {
8c3d52fc 206 hid_err(parser->device, "usage index exceeded\n");
dde5845a
JK		 207 return -1;
208 }
209 parser->local.usage[parser->local.usage_index] = usage;
210 parser->local.collection_index[parser->local.usage_index] =
211 parser->collection_stack_ptr ?
212 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213 parser->local.usage_index++;
214 return 0;
215}
216
217/*
218 * Register a new field for this report.
219 */
220
221static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222{
223 struct hid_report *report;
224 struct hid_field *field;
cc6b54aa 225 unsigned usages;
dde5845a 226 unsigned offset;
cc6b54aa 227 unsigned i;
dde5845a 228
a3789a17
JP		 229 report = hid_register_report(parser->device, report_type, parser->global.report_id);
230 if (!report) {
8c3d52fc 231 hid_err(parser->device, "hid_register_report failed\n");
dde5845a
JK		 232 return -1;
233 }
234
bb2e1976 235 /* Handle both signed and unsigned cases properly */
0cd516c2 236 if ((parser->global.logical_minimum < 0 &&
237 parser->global.logical_maximum <
238 parser->global.logical_minimum) ||
239 (parser->global.logical_minimum >= 0 &&
240 (__u32)parser->global.logical_maximum <
241 (__u32)parser->global.logical_minimum)) {
242 dbg_hid("logical range invalid 0x%x 0x%x\n",
243 parser->global.logical_minimum,
244 parser->global.logical_maximum);
dde5845a
JK		 245 return -1;
246 }
247
248 offset = report->size;
249 report->size += parser->global.report_size * parser->global.report_count;
250
251 if (!parser->local.usage_index) /* Ignore padding fields */
252 return 0;
253
cc6b54aa
BT		 254 usages = max_t(unsigned, parser->local.usage_index,
255 parser->global.report_count);
dde5845a 256
a3789a17
JP		 257 field = hid_register_field(report, usages, parser->global.report_count);
258 if (!field)
dde5845a
JK		 259 return 0;
260
261 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264
265 for (i = 0; i < usages; i++) {
cc6b54aa 266 unsigned j = i;
dde5845a
JK		 267 /* Duplicate the last usage we parsed if we have excess values */
268 if (i >= parser->local.usage_index)
269 j = parser->local.usage_index - 1;
270 field->usage[i].hid = parser->local.usage[j];
271 field->usage[i].collection_index =
272 parser->local.collection_index[j];
cc6b54aa 273 field->usage[i].usage_index = i;
dde5845a
JK		 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{
ad0e669b 322 __s32 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:
ad0e669b
NK		 373 /* Many devices provide unit exponent as a two's complement
374 * nibble due to the common misunderstanding of HID
375 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376 * both this and the standard encoding. */
377 raw_value = item_sdata(item);
77463838
BT		 378 if (!(raw_value & 0xfffffff0))
379 parser->global.unit_exponent = hid_snto32(raw_value, 4);
380 else
381 parser->global.unit_exponent = raw_value;
880d29f1 382 return 0;
dde5845a 383
880d29f1
JS		 384 case HID_GLOBAL_ITEM_TAG_UNIT:
385 parser->global.unit = item_udata(item);
386 return 0;
dde5845a 387
880d29f1
JS		 388 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389 parser->global.report_size = item_udata(item);
23408f95 390 if (parser->global.report_size > 128) {
8c3d52fc 391 hid_err(parser->device, "invalid report_size %d\n",
880d29f1
JS		 392 parser->global.report_size);
393 return -1;
394 }
395 return 0;
dde5845a 396
880d29f1
JS		 397 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398 parser->global.report_count = item_udata(item);
399 if (parser->global.report_count > HID_MAX_USAGES) {
8c3d52fc 400 hid_err(parser->device, "invalid report_count %d\n",
880d29f1
JS		 401 parser->global.report_count);
402 return -1;
403 }
404 return 0;
dde5845a 405
880d29f1
JS		 406 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407 parser->global.report_id = item_udata(item);
43622021
KC		 408 if (parser->global.report_id == 0 ||
409 parser->global.report_id >= HID_MAX_IDS) {
410 hid_err(parser->device, "report_id %u is invalid\n",
411 parser->global.report_id);
dde5845a 412 return -1;
880d29f1
JS		 413 }
414 return 0;
415
416 default:
8c3d52fc 417 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
880d29f1 418 return -1;
dde5845a
JK		 419 }
420}
421
422/*
423 * Process a local item.
424 */
425
426static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427{
428 __u32 data;
429 unsigned n;
ba532198 430 __u32 count;
dde5845a 431
dde5845a
JK		 432 data = item_udata(item);
433
434 switch (item->tag) {
880d29f1
JS		 435 case HID_LOCAL_ITEM_TAG_DELIMITER:
436
437 if (data) {
438 /*
439 * We treat items before the first delimiter
440 * as global to all usage sets (branch 0).
441 * In the moment we process only these global
442 * items and the first delimiter set.
443 */
444 if (parser->local.delimiter_depth != 0) {
8c3d52fc 445 hid_err(parser->device, "nested delimiters\n");
880d29f1 446 return -1;
dde5845a 447 }
880d29f1
JS		 448 parser->local.delimiter_depth++;
449 parser->local.delimiter_branch++;
450 } else {
451 if (parser->local.delimiter_depth < 1) {
8c3d52fc 452 hid_err(parser->device, "bogus close delimiter\n");
880d29f1 453 return -1;
dde5845a 454 }
880d29f1
JS		 455 parser->local.delimiter_depth--;
456 }
38ead6ef 457 return 0;
dde5845a 458
880d29f1 459 case HID_LOCAL_ITEM_TAG_USAGE:
dde5845a 460
880d29f1
JS		 461 if (parser->local.delimiter_branch > 1) {
462 dbg_hid("alternative usage ignored\n");
463 return 0;
464 }
dde5845a 465
880d29f1
JS		 466 if (item->size <= 2)
467 data = (parser->global.usage_page << 16) + data;
dde5845a 468
880d29f1 469 return hid_add_usage(parser, data);
dde5845a 470
880d29f1 471 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
dde5845a 472
880d29f1
JS		 473 if (parser->local.delimiter_branch > 1) {
474 dbg_hid("alternative usage ignored\n");
dde5845a 475 return 0;
880d29f1 476 }
dde5845a 477
880d29f1
JS		 478 if (item->size <= 2)
479 data = (parser->global.usage_page << 16) + data;
dde5845a 480
880d29f1
JS		 481 parser->local.usage_minimum = data;
482 return 0;
dde5845a 483
880d29f1 484 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
dde5845a 485
880d29f1
JS		 486 if (parser->local.delimiter_branch > 1) {
487 dbg_hid("alternative usage ignored\n");
dde5845a 488 return 0;
880d29f1 489 }
dde5845a 490
880d29f1
JS		 491 if (item->size <= 2)
492 data = (parser->global.usage_page << 16) + data;
dde5845a 493
ba532198
BT		 494 count = data - parser->local.usage_minimum;
495 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
496 /*
497 * We do not warn if the name is not set, we are
498 * actually pre-scanning the device.
499 */
500 if (dev_name(&parser->device->dev))
501 hid_warn(parser->device,
502 "ignoring exceeding usage max\n");
503 data = HID_MAX_USAGES - parser->local.usage_index +
504 parser->local.usage_minimum - 1;
505 if (data <= 0) {
506 hid_err(parser->device,
507 "no more usage index available\n");
508 return -1;
509 }
510 }
511
880d29f1
JS		 512 for (n = parser->local.usage_minimum; n <= data; n++)
513 if (hid_add_usage(parser, n)) {
514 dbg_hid("hid_add_usage failed\n");
515 return -1;
516 }
517 return 0;
518
519 default:
520
521 dbg_hid("unknown local item tag 0x%x\n", item->tag);
522 return 0;
dde5845a
JK		 523 }
524 return 0;
525}
526
527/*
528 * Process a main item.
529 */
530
531static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
532{
533 __u32 data;
534 int ret;
535
536 data = item_udata(item);
537
538 switch (item->tag) {
880d29f1
JS		 539 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
540 ret = open_collection(parser, data & 0xff);
541 break;
542 case HID_MAIN_ITEM_TAG_END_COLLECTION:
543 ret = close_collection(parser);
544 break;
545 case HID_MAIN_ITEM_TAG_INPUT:
546 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
547 break;
548 case HID_MAIN_ITEM_TAG_OUTPUT:
549 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
550 break;
551 case HID_MAIN_ITEM_TAG_FEATURE:
552 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
553 break;
554 default:
8c3d52fc 555 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
880d29f1 556 ret = 0;
dde5845a
JK		 557 }
558
559 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
560
561 return ret;
562}
563
564/*
565 * Process a reserved item.
566 */
567
568static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
569{
58037eb9 570 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
dde5845a
JK		 571 return 0;
572}
573
574/*
575 * Free a report and all registered fields. The field->usage and
576 * field->value table's are allocated behind the field, so we need
577 * only to free(field) itself.
578 */
579
580static void hid_free_report(struct hid_report *report)
581{
582 unsigned n;
583
584 for (n = 0; n < report->maxfield; n++)
585 kfree(report->field[n]);
586 kfree(report);
587}
588
589/*
a7197c2e
HR		 590 * Close report. This function returns the device
591 * state to the point prior to hid_open_report().
dde5845a 592 */
a7197c2e 593static void hid_close_report(struct hid_device *device)
dde5845a 594{
85cdaf52 595 unsigned i, j;
dde5845a
JK		 596
597 for (i = 0; i < HID_REPORT_TYPES; i++) {
598 struct hid_report_enum *report_enum = device->report_enum + i;
599
43622021 600 for (j = 0; j < HID_MAX_IDS; j++) {
dde5845a
JK		 601 struct hid_report *report = report_enum->report_id_hash[j];
602 if (report)
603 hid_free_report(report);
604 }
a7197c2e
HR		 605 memset(report_enum, 0, sizeof(*report_enum));
606 INIT_LIST_HEAD(&report_enum->report_list);
dde5845a
JK		 607 }
608
609 kfree(device->rdesc);
a7197c2e
HR		 610 device->rdesc = NULL;
611 device->rsize = 0;
612
767fe787 613 kfree(device->collection);
a7197c2e
HR		 614 device->collection = NULL;
615 device->collection_size = 0;
616 device->maxcollection = 0;
617 device->maxapplication = 0;
618
619 device->status &= ~HID_STAT_PARSED;
620}
621
622/*
623 * Free a device structure, all reports, and all fields.
624 */
625
626static void hid_device_release(struct device *dev)
627{
628 struct hid_device *hid = container_of(dev, struct hid_device, dev);
629
630 hid_close_report(hid);
631 kfree(hid->dev_rdesc);
632 kfree(hid);
dde5845a
JK		 633}
634
635/*
636 * Fetch a report description item from the data stream. We support long
637 * items, though they are not used yet.
638 */
639
640static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
641{
642 u8 b;
643
644 if ((end - start) <= 0)
645 return NULL;
646
647 b = *start++;
648
649 item->type = (b >> 2) & 3;
650 item->tag = (b >> 4) & 15;
651
652 if (item->tag == HID_ITEM_TAG_LONG) {
653
654 item->format = HID_ITEM_FORMAT_LONG;
655
656 if ((end - start) < 2)
657 return NULL;
658
659 item->size = *start++;
660 item->tag = *start++;
661
662 if ((end - start) < item->size)
663 return NULL;
664
665 item->data.longdata = start;
666 start += item->size;
667 return start;
668 }
669
670 item->format = HID_ITEM_FORMAT_SHORT;
671 item->size = b & 3;
672
673 switch (item->size) {
880d29f1
JS		 674 case 0:
675 return start;
dde5845a 676
880d29f1
JS		 677 case 1:
678 if ((end - start) < 1)
679 return NULL;
680 item->data.u8 = *start++;
681 return start;
682
683 case 2:
684 if ((end - start) < 2)
685 return NULL;
686 item->data.u16 = get_unaligned_le16(start);
687 start = (__u8 *)((__le16 *)start + 1);
688 return start;
689
690 case 3:
691 item->size++;
692 if ((end - start) < 4)
693 return NULL;
694 item->data.u32 = get_unaligned_le32(start);
695 start = (__u8 *)((__le32 *)start + 1);
696 return start;
dde5845a
JK		 697 }
698
699 return NULL;
700}
701
3dc8fc08 702static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
734c6609 703{
3dc8fc08
BT		 704 struct hid_device *hid = parser->device;
705
4fa3a583
HR		 706 if (usage == HID_DG_CONTACTID)
707 hid->group = HID_GROUP_MULTITOUCH;
734c6609
HR		 708}
709
f961bd35
BT		 710static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
711{
712 if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
713 parser->global.report_size == 8)
714 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
715}
716
3dc8fc08
BT		 717static void hid_scan_collection(struct hid_parser *parser, unsigned type)
718{
719 struct hid_device *hid = parser->device;
e39f2d59 720 int i;
3dc8fc08
BT		 721
722 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
723 type == HID_COLLECTION_PHYSICAL)
724 hid->group = HID_GROUP_SENSOR_HUB;
be3b1634
AW		 725
726 if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
0439de75 727 (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
c6956eb7 728 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2 ||
0439de75
SJ		 729 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
730 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
18eec2cd 731 hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
be3b1634
AW		 732 hid->group == HID_GROUP_MULTITOUCH)
733 hid->group = HID_GROUP_GENERIC;
e39f2d59
AD		 734
735 if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
736 for (i = 0; i < parser->local.usage_index; i++)
737 if (parser->local.usage[i] == HID_GD_POINTER)
738 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
739
740 if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
741 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
3dc8fc08
BT		 742}
743
744static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
745{
746 __u32 data;
747 int i;
748
749 data = item_udata(item);
750
751 switch (item->tag) {
752 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
753 hid_scan_collection(parser, data & 0xff);
754 break;
755 case HID_MAIN_ITEM_TAG_END_COLLECTION:
756 break;
757 case HID_MAIN_ITEM_TAG_INPUT:
e24d0d39
BT		 758 /* ignore constant inputs, they will be ignored by hid-input */
759 if (data & HID_MAIN_ITEM_CONSTANT)
760 break;
3dc8fc08
BT		 761 for (i = 0; i < parser->local.usage_index; i++)
762 hid_scan_input_usage(parser, parser->local.usage[i]);
763 break;
764 case HID_MAIN_ITEM_TAG_OUTPUT:
765 break;
766 case HID_MAIN_ITEM_TAG_FEATURE:
f961bd35
BT		 767 for (i = 0; i < parser->local.usage_index; i++)
768 hid_scan_feature_usage(parser, parser->local.usage[i]);
3dc8fc08
BT		 769 break;
770 }
771
772 /* Reset the local parser environment */
773 memset(&parser->local, 0, sizeof(parser->local));
774
775 return 0;
776}
777
734c6609
HR		 778/*
779 * Scan a report descriptor before the device is added to the bus.
780 * Sets device groups and other properties that determine what driver
781 * to load.
782 */
783static int hid_scan_report(struct hid_device *hid)
784{
3dc8fc08
BT		 785 struct hid_parser *parser;
786 struct hid_item item;
734c6609
HR		 787 __u8 *start = hid->dev_rdesc;
788 __u8 *end = start + hid->dev_rsize;
3dc8fc08
BT		 789 static int (*dispatch_type[])(struct hid_parser *parser,
790 struct hid_item *item) = {
791 hid_scan_main,
792 hid_parser_global,
793 hid_parser_local,
794 hid_parser_reserved
795 };
796
797 parser = vzalloc(sizeof(struct hid_parser));
798 if (!parser)
799 return -ENOMEM;
734c6609 800
3dc8fc08 801 parser->device = hid;
734c6609 802 hid->group = HID_GROUP_GENERIC;
734c6609 803
3dc8fc08
BT		 804 /*
805 * The parsing is simpler than the one in hid_open_report() as we should
806 * be robust against hid errors. Those errors will be raised by
807 * hid_open_report() anyway.
808 */
809 while ((start = fetch_item(start, end, &item)) != NULL)
810 dispatch_type[item.type](parser, &item);
811
f961bd35
BT		 812 /*
813 * Handle special flags set during scanning.
814 */
815 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
816 (hid->group == HID_GROUP_MULTITOUCH))
817 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
818
29b47391
BT		 819 /*
820 * Vendor specific handlings
821 */
822 switch (hid->vendor) {
823 case USB_VENDOR_ID_WACOM:
824 hid->group = HID_GROUP_WACOM;
825 break;
c241c5ee 826 case USB_VENDOR_ID_SYNAPTICS:
e39f2d59
AD		 827 if (hid->group == HID_GROUP_GENERIC)
828 if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
829 && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
830 /*
831 * hid-rmi should take care of them,
832 * not hid-generic
833 */
834 hid->group = HID_GROUP_RMI;
c241c5ee 835 break;
29b47391
BT		 836 }
837
3dc8fc08 838 vfree(parser);
734c6609
HR		 839 return 0;
840}
841
85cdaf52
JS		 842/**
843 * hid_parse_report - parse device report
844 *
845 * @device: hid device
846 * @start: report start
847 * @size: report size
848 *
a7197c2e
HR		 849 * Allocate the device report as read by the bus driver. This function should
850 * only be called from parse() in ll drivers.
851 */
852int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
853{
854 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
855 if (!hid->dev_rdesc)
856 return -ENOMEM;
857 hid->dev_rsize = size;
858 return 0;
859}
860EXPORT_SYMBOL_GPL(hid_parse_report);
861
331415ff
KC		 862static const char * const hid_report_names[] = {
863 "HID_INPUT_REPORT",
864 "HID_OUTPUT_REPORT",
865 "HID_FEATURE_REPORT",
866};
867/**
868 * hid_validate_values - validate existing device report's value indexes
869 *
870 * @device: hid device
871 * @type: which report type to examine
872 * @id: which report ID to examine (0 for first)
873 * @field_index: which report field to examine
874 * @report_counts: expected number of values
875 *
876 * Validate the number of values in a given field of a given report, after
877 * parsing.
878 */
879struct hid_report *hid_validate_values(struct hid_device *hid,
880 unsigned int type, unsigned int id,
881 unsigned int field_index,
882 unsigned int report_counts)
883{
884 struct hid_report *report;
885
886 if (type > HID_FEATURE_REPORT) {
887 hid_err(hid, "invalid HID report type %u\n", type);
888 return NULL;
889 }
890
891 if (id >= HID_MAX_IDS) {
892 hid_err(hid, "invalid HID report id %u\n", id);
893 return NULL;
894 }
895
896 /*
897 * Explicitly not using hid_get_report() here since it depends on
898 * ->numbered being checked, which may not always be the case when
899 * drivers go to access report values.
900 */
1b15d2e5
KC		 901 if (id == 0) {
902 /*
903 * Validating on id 0 means we should examine the first
904 * report in the list.
905 */
906 report = list_entry(
907 hid->report_enum[type].report_list.next,
908 struct hid_report, list);
909 } else {
910 report = hid->report_enum[type].report_id_hash[id];
911 }
331415ff
KC		 912 if (!report) {
913 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
914 return NULL;
915 }
916 if (report->maxfield <= field_index) {
917 hid_err(hid, "not enough fields in %s %u\n",
918 hid_report_names[type], id);
919 return NULL;
920 }
921 if (report->field[field_index]->report_count < report_counts) {
922 hid_err(hid, "not enough values in %s %u field %u\n",
923 hid_report_names[type], id, field_index);
924 return NULL;
925 }
926 return report;
927}
928EXPORT_SYMBOL_GPL(hid_validate_values);
929
a7197c2e
HR		 930/**
931 * hid_open_report - open a driver-specific device report
932 *
933 * @device: hid device
934 *
dde5845a
JK		 935 * Parse a report description into a hid_device structure. Reports are
936 * enumerated, fields are attached to these reports.
85cdaf52 937 * 0 returned on success, otherwise nonzero error value.
a7197c2e
HR		 938 *
939 * This function (or the equivalent hid_parse() macro) should only be
940 * called from probe() in drivers, before starting the device.
dde5845a 941 */
a7197c2e 942int hid_open_report(struct hid_device *device)
dde5845a 943{
dde5845a
JK		 944 struct hid_parser *parser;
945 struct hid_item item;
a7197c2e
HR		 946 unsigned int size;
947 __u8 *start;
86e6b77e 948 __u8 *buf;
dde5845a 949 __u8 *end;
85cdaf52 950 int ret;
dde5845a
JK		 951 static int (*dispatch_type[])(struct hid_parser *parser,
952 struct hid_item *item) = {
953 hid_parser_main,
954 hid_parser_global,
955 hid_parser_local,
956 hid_parser_reserved
957 };
958
a7197c2e
HR		 959 if (WARN_ON(device->status & HID_STAT_PARSED))
960 return -EBUSY;
961
962 start = device->dev_rdesc;
963 if (WARN_ON(!start))
964 return -ENODEV;
965 size = device->dev_rsize;
966
86e6b77e
KD		 967 buf = kmemdup(start, size, GFP_KERNEL);
968 if (buf == NULL)
969 return -ENOMEM;
970
c500c971 971 if (device->driver->report_fixup)
86e6b77e
KD		 972 start = device->driver->report_fixup(device, buf, &size);
973 else
974 start = buf;
c500c971 975
86e6b77e
KD		 976 start = kmemdup(start, size, GFP_KERNEL);
977 kfree(buf);
978 if (start == NULL)
85cdaf52 979 return -ENOMEM;
86e6b77e
KD		 980
981 device->rdesc = start;
dde5845a
JK		 982 device->rsize = size;
983
fe258020 984 parser = vzalloc(sizeof(struct hid_parser));
85cdaf52
JS		 985 if (!parser) {
986 ret = -ENOMEM;
987 goto err;
dde5845a 988 }
85cdaf52 989
dde5845a
JK		 990 parser->device = device;
991
992 end = start + size;
a7197c2e
HR		 993
994 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
995 sizeof(struct hid_collection), GFP_KERNEL);
996 if (!device->collection) {
997 ret = -ENOMEM;
998 goto err;
999 }
1000 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1001
85cdaf52 1002 ret = -EINVAL;
dde5845a
JK		 1003 while ((start = fetch_item(start, end, &item)) != NULL) {
1004
1005 if (item.format != HID_ITEM_FORMAT_SHORT) {
8c3d52fc 1006 hid_err(device, "unexpected long global item\n");
85cdaf52 1007 goto err;
dde5845a
JK		 1008 }
1009
1010 if (dispatch_type[item.type](parser, &item)) {
8c3d52fc 1011 hid_err(device, "item %u %u %u %u parsing failed\n",
4291ee30
JP		 1012 item.format, (unsigned)item.size,
1013 (unsigned)item.type, (unsigned)item.tag);
85cdaf52 1014 goto err;
dde5845a
JK		 1015 }
1016
1017 if (start == end) {
1018 if (parser->collection_stack_ptr) {
8c3d52fc 1019 hid_err(device, "unbalanced collection at end of report description\n");
85cdaf52 1020 goto err;
dde5845a
JK		 1021 }
1022 if (parser->local.delimiter_depth) {
8c3d52fc 1023 hid_err(device, "unbalanced delimiter at end of report description\n");
85cdaf52 1024 goto err;
dde5845a 1025 }
47a80edb 1026 vfree(parser);
a7197c2e 1027 device->status |= HID_STAT_PARSED;
85cdaf52 1028 return 0;
dde5845a
JK		 1029 }
1030 }
1031
8c3d52fc 1032 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
85cdaf52 1033err:
47a80edb 1034 vfree(parser);
a7197c2e 1035 hid_close_report(device);
85cdaf52 1036 return ret;
dde5845a 1037}
a7197c2e 1038EXPORT_SYMBOL_GPL(hid_open_report);
dde5845a
JK		 1039
1040/*
1041 * Convert a signed n-bit integer to signed 32-bit integer. Common
1042 * cases are done through the compiler, the screwed things has to be
1043 * done by hand.
1044 */
1045
1046static s32 snto32(__u32 value, unsigned n)
1047{
1048 switch (n) {
880d29f1
JS		 1049 case 8: return ((__s8)value);
1050 case 16: return ((__s16)value);
1051 case 32: return ((__s32)value);
dde5845a
JK		 1052 }
1053 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1054}
1055
77463838
BT		 1056s32 hid_snto32(__u32 value, unsigned n)
1057{
1058 return snto32(value, n);
1059}
1060EXPORT_SYMBOL_GPL(hid_snto32);
1061
dde5845a
JK		 1062/*
1063 * Convert a signed 32-bit integer to a signed n-bit integer.
1064 */
1065
1066static u32 s32ton(__s32 value, unsigned n)
1067{
1068 s32 a = value >> (n - 1);
1069 if (a && a != -1)
1070 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1071 return value & ((1 << n) - 1);
1072}
1073
1074/*
1075 * Extract/implement a data field from/to a little endian report (bit array).
1076 *
1077 * Code sort-of follows HID spec:
1078 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1079 *
1080 * While the USB HID spec allows unlimited length bit fields in "report
1081 * descriptors", most devices never use more than 16 bits.
1082 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1083 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1084 */
1085
04fba786 1086__u32 hid_field_extract(const struct hid_device *hid, __u8 *report,
16ee4cc8 1087 unsigned offset, unsigned n)
dde5845a
JK		 1088{
1089 u64 x;
1090
c4124c9b 1091 if (n > 32)
04fba786 1092 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
4291ee30 1093 n, current->comm);
dde5845a
JK		 1094
1095 report += offset >> 3; /* adjust byte index */
229695e5 1096 offset &= 7; /* now only need bit offset into one byte */
c105068f 1097 x = get_unaligned_le64(report);
229695e5 1098 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
dde5845a
JK		 1099 return (u32) x;
1100}
04fba786 1101EXPORT_SYMBOL_GPL(hid_field_extract);
dde5845a
JK		 1102
1103/*
1104 * "implement" : set bits in a little endian bit stream.
1105 * Same concepts as "extract" (see comments above).
1106 * The data mangled in the bit stream remains in little endian
1107 * order the whole time. It make more sense to talk about
1108 * endianness of register values by considering a register
1109 * a "cached" copy of the little endiad bit stream.
1110 */
16ee4cc8
JP		 1111static void implement(const struct hid_device *hid, __u8 *report,
1112 unsigned offset, unsigned n, __u32 value)
dde5845a 1113{
6f0168d2 1114 u64 x;
dde5845a
JK		 1115 u64 m = (1ULL << n) - 1;
1116
c4124c9b 1117 if (n > 32)
4291ee30
JP		 1118 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1119 __func__, n, current->comm);
dde5845a 1120
c4124c9b 1121 if (value > m)
4291ee30
JP		 1122 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1123 __func__, value, current->comm);
dde5845a
JK		 1124 WARN_ON(value > m);
1125 value &= m;
1126
1127 report += offset >> 3;
1128 offset &= 7;
1129
6f0168d2
HH		 1130 x = get_unaligned_le64(report);
1131 x &= ~(m << offset);
1132 x |= ((u64)value) << offset;
1133 put_unaligned_le64(x, report);
dde5845a
JK		 1134}
1135
1136/*
1137 * Search an array for a value.
1138 */
1139
16ee4cc8 1140static int search(__s32 *array, __s32 value, unsigned n)
dde5845a
JK		 1141{
1142 while (n--) {
1143 if (*array++ == value)
1144 return 0;
1145 }
1146 return -1;
1147}
1148
85cdaf52
JS		 1149/**
1150 * hid_match_report - check if driver's raw_event should be called
1151 *
1152 * @hid: hid device
1153 * @report_type: type to match against
1154 *
1155 * compare hid->driver->report_table->report_type to report->type
1156 */
1157static int hid_match_report(struct hid_device *hid, struct hid_report *report)
dde5845a 1158{
85cdaf52
JS		 1159 const struct hid_report_id *id = hid->driver->report_table;
1160
1161 if (!id) /* NULL means all */
1162 return 1;
1163
1164 for (; id->report_type != HID_TERMINATOR; id++)
1165 if (id->report_type == HID_ANY_ID ||
1166 id->report_type == report->type)
1167 return 1;
1168 return 0;
1169}
1170
1171/**
1172 * hid_match_usage - check if driver's event should be called
1173 *
1174 * @hid: hid device
1175 * @usage: usage to match against
1176 *
1177 * compare hid->driver->usage_table->usage_{type,code} to
1178 * usage->usage_{type,code}
1179 */
1180static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1181{
1182 const struct hid_usage_id *id = hid->driver->usage_table;
1183
1184 if (!id) /* NULL means all */
1185 return 1;
1186
1187 for (; id->usage_type != HID_ANY_ID - 1; id++)
1188 if ((id->usage_hid == HID_ANY_ID ||
1189 id->usage_hid == usage->hid) &&
1190 (id->usage_type == HID_ANY_ID ||
1191 id->usage_type == usage->type) &&
1192 (id->usage_code == HID_ANY_ID ||
1193 id->usage_code == usage->code))
1194 return 1;
1195 return 0;
1196}
1197
1198static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1199 struct hid_usage *usage, __s32 value, int interrupt)
1200{
1201 struct hid_driver *hdrv = hid->driver;
1202 int ret;
1203
9bfc8da0
HR		 1204 if (!list_empty(&hid->debug_list))
1205 hid_dump_input(hid, usage, value);
85cdaf52
JS		 1206
1207 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1208 ret = hdrv->event(hid, field, usage, value);
1209 if (ret != 0) {
1210 if (ret < 0)
8c3d52fc 1211 hid_err(hid, "%s's event failed with %d\n",
85cdaf52
JS		 1212 hdrv->name, ret);
1213 return;
1214 }
1215 }
1216
dde5845a
JK		 1217 if (hid->claimed & HID_CLAIMED_INPUT)
1218 hidinput_hid_event(hid, field, usage, value);
aa938f79
JK		 1219 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1220 hid->hiddev_hid_event(hid, field, usage, value);
dde5845a
JK		 1221}
1222
1223/*
1224 * Analyse a received field, and fetch the data from it. The field
1225 * content is stored for next report processing (we do differential
1226 * reporting to the layer).
1227 */
1228
abdff0f7
AB		 1229static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1230 __u8 *data, int interrupt)
dde5845a
JK		 1231{
1232 unsigned n;
1233 unsigned count = field->report_count;
1234 unsigned offset = field->report_offset;
1235 unsigned size = field->report_size;
1236 __s32 min = field->logical_minimum;
1237 __s32 max = field->logical_maximum;
1238 __s32 *value;
1239
a3789a17
JP		 1240 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1241 if (!value)
dde5845a
JK		 1242 return;
1243
1244 for (n = 0; n < count; n++) {
1245
4291ee30 1246 value[n] = min < 0 ?
04fba786
GB		 1247 snto32(hid_field_extract(hid, data, offset + n * size,
1248 size), size) :
1249 hid_field_extract(hid, data, offset + n * size, size);
dde5845a 1250
4291ee30
JP		 1251 /* Ignore report if ErrorRollOver */
1252 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1253 value[n] >= min && value[n] <= max &&
1254 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1255 goto exit;
dde5845a
JK		 1256 }
1257
1258 for (n = 0; n < count; n++) {
1259
1260 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1261 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1262 continue;
1263 }
1264
1265 if (field->value[n] >= min && field->value[n] <= max
1266 && field->usage[field->value[n] - min].hid
1267 && search(value, field->value[n], count))
1268 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1269
1270 if (value[n] >= min && value[n] <= max
1271 && field->usage[value[n] - min].hid
1272 && search(field->value, value[n], count))
1273 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1274 }
1275
1276 memcpy(field->value, value, count * sizeof(__s32));
1277exit:
1278 kfree(value);
1279}
dde5845a
JK		 1280
1281/*
1282 * Output the field into the report.
1283 */
1284
4291ee30
JP		 1285static void hid_output_field(const struct hid_device *hid,
1286 struct hid_field *field, __u8 *data)
dde5845a
JK		 1287{
1288 unsigned count = field->report_count;
1289 unsigned offset = field->report_offset;
1290 unsigned size = field->report_size;
1291 unsigned n;
1292
1293 for (n = 0; n < count; n++) {
1294 if (field->logical_minimum < 0) /* signed values */
4291ee30
JP		 1295 implement(hid, data, offset + n * size, size,
1296 s32ton(field->value[n], size));
dde5845a 1297 else /* unsigned values */
4291ee30
JP		 1298 implement(hid, data, offset + n * size, size,
1299 field->value[n]);
dde5845a
JK		 1300 }
1301}
1302
1303/*
27ce4050
JK		 1304 * Create a report. 'data' has to be allocated using
1305 * hid_alloc_report_buf() so that it has proper size.
dde5845a
JK		 1306 */
1307
229695e5 1308void hid_output_report(struct hid_report *report, __u8 *data)
dde5845a
JK		 1309{
1310 unsigned n;
1311
1312 if (report->id > 0)
1313 *data++ = report->id;
1314
75c28df8 1315 memset(data, 0, ((report->size - 1) >> 3) + 1);
dde5845a 1316 for (n = 0; n < report->maxfield; n++)
4291ee30 1317 hid_output_field(report->device, report->field[n], data);
dde5845a 1318}
229695e5 1319EXPORT_SYMBOL_GPL(hid_output_report);
dde5845a 1320
27ce4050
JK		 1321/*
1322 * Allocator for buffer that is going to be passed to hid_output_report()
1323 */
1324u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1325{
1326 /*
1327 * 7 extra bytes are necessary to achieve proper functionality
1328 * of implement() working on 8 byte chunks
1329 */
1330
19e4ec52 1331 int len = hid_report_len(report) + 7;
27ce4050
JK		 1332
1333 return kmalloc(len, flags);
1334}
1335EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1336
dde5845a
JK		 1337/*
1338 * Set a field value. The report this field belongs to has to be
1339 * created and transferred to the device, to set this value in the
1340 * device.
1341 */
1342
1343int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1344{
be67b68d
KC		 1345 unsigned size;
1346
1347 if (!field)
1348 return -1;
1349
1350 size = field->report_size;
dde5845a 1351
cd667ce2 1352 hid_dump_input(field->report->device, field->usage + offset, value);
dde5845a
JK		 1353
1354 if (offset >= field->report_count) {
8c3d52fc
JK		 1355 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1356 offset, field->report_count);
dde5845a
JK		 1357 return -1;
1358 }
1359 if (field->logical_minimum < 0) {
1360 if (value != snto32(s32ton(value, size), size)) {
8c3d52fc 1361 hid_err(field->report->device, "value %d is out of range\n", value);
dde5845a
JK		 1362 return -1;
1363 }
1364 }
1365 field->value[offset] = value;
1366 return 0;
1367}
229695e5 1368EXPORT_SYMBOL_GPL(hid_set_field);
dde5845a 1369
85cdaf52
JS		 1370static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1371 const u8 *data)
aa8de2f0 1372{
aa8de2f0 1373 struct hid_report *report;
85cdaf52 1374 unsigned int n = 0; /* Normally report number is 0 */
aa8de2f0 1375
85cdaf52
JS		 1376 /* Device uses numbered reports, data[0] is report number */
1377 if (report_enum->numbered)
1378 n = *data;
aa8de2f0 1379
85cdaf52
JS		 1380 report = report_enum->report_id_hash[n];
1381 if (report == NULL)
1382 dbg_hid("undefined report_id %u received\n", n);
aa8de2f0 1383
85cdaf52
JS		 1384 return report;
1385}
aa8de2f0 1386
4fa5a7f7
BT		 1387/*
1388 * Implement a generic .request() callback, using .raw_request()
1389 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1390 */
1391void __hid_request(struct hid_device *hid, struct hid_report *report,
1392 int reqtype)
1393{
1394 char *buf;
1395 int ret;
1396 int len;
1397
4fa5a7f7
BT		 1398 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1399 if (!buf)
1400 return;
1401
1402 len = hid_report_len(report);
1403
1404 if (reqtype == HID_REQ_SET_REPORT)
1405 hid_output_report(report, buf);
1406
1407 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1408 report->type, reqtype);
1409 if (ret < 0) {
1410 dbg_hid("unable to complete request: %d\n", ret);
1411 goto out;
1412 }
1413
1414 if (reqtype == HID_REQ_GET_REPORT)
1415 hid_input_report(hid, report->type, buf, ret, 0);
1416
1417out:
1418 kfree(buf);
1419}
1420EXPORT_SYMBOL_GPL(__hid_request);
1421
b6787242 1422int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
85cdaf52
JS		 1423 int interrupt)
1424{
1425 struct hid_report_enum *report_enum = hid->report_enum + type;
1426 struct hid_report *report;
6d85d037 1427 struct hid_driver *hdrv;
85cdaf52
JS		 1428 unsigned int a;
1429 int rsize, csize = size;
1430 u8 *cdata = data;
b6787242 1431 int ret = 0;
aa8de2f0 1432
85cdaf52
JS		 1433 report = hid_get_report(report_enum, data);
1434 if (!report)
b6787242 1435 goto out;
aa8de2f0 1436
85cdaf52
JS		 1437 if (report_enum->numbered) {
1438 cdata++;
1439 csize--;
aa8de2f0
JK		 1440 }
1441
1442 rsize = ((report->size - 1) >> 3) + 1;
1443
966922f2
AV		 1444 if (rsize > HID_MAX_BUFFER_SIZE)
1445 rsize = HID_MAX_BUFFER_SIZE;
1446
85cdaf52
JS		 1447 if (csize < rsize) {
1448 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1449 csize, rsize);
1450 memset(cdata + csize, 0, rsize - csize);
aa8de2f0
JK		 1451 }
1452
1453 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1454 hid->hiddev_report_event(hid, report);
b6787242
JK		 1455 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1456 ret = hidraw_report_event(hid, data, size);
1457 if (ret)
1458 goto out;
1459 }
aa8de2f0 1460
cc6b54aa 1461 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
b94e3c94
MC		 1462 for (a = 0; a < report->maxfield; a++)
1463 hid_input_field(hid, report->field[a], cdata, interrupt);
6d85d037
BT		 1464 hdrv = hid->driver;
1465 if (hdrv && hdrv->report)
1466 hdrv->report(hid, report);
b94e3c94 1467 }
aa8de2f0
JK		 1468
1469 if (hid->claimed & HID_CLAIMED_INPUT)
1470 hidinput_report_event(hid, report);
b6787242
JK		 1471out:
1472 return ret;
85cdaf52
JS		 1473}
1474EXPORT_SYMBOL_GPL(hid_report_raw_event);
1475
1476/**
1477 * hid_input_report - report data from lower layer (usb, bt...)
1478 *
1479 * @hid: hid device
1480 * @type: HID report type (HID_*_REPORT)
1481 * @data: report contents
1482 * @size: size of data parameter
ff9b00a2 1483 * @interrupt: distinguish between interrupt and control transfers
85cdaf52
JS		 1484 *
1485 * This is data entry for lower layers.
1486 */
1487int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1488{
76c317d6
JL		 1489 struct hid_report_enum *report_enum;
1490 struct hid_driver *hdrv;
85cdaf52 1491 struct hid_report *report;
45dc1ac7 1492 int ret = 0;
85cdaf52 1493
4ea54542 1494 if (!hid)
85cdaf52 1495 return -ENODEV;
4ea54542 1496
c849a614 1497 if (down_trylock(&hid->driver_input_lock))
4ea54542
DH		 1498 return -EBUSY;
1499
1500 if (!hid->driver) {
1501 ret = -ENODEV;
1502 goto unlock;
1503 }
76c317d6
JL		 1504 report_enum = hid->report_enum + type;
1505 hdrv = hid->driver;
85cdaf52
JS		 1506
1507 if (!size) {
1508 dbg_hid("empty report\n");
4ea54542
DH		 1509 ret = -1;
1510 goto unlock;
85cdaf52
JS		 1511 }
1512
b94e3c94 1513 /* Avoid unnecessary overhead if debugfs is disabled */
a5f04b9d
BT		 1514 if (!list_empty(&hid->debug_list))
1515 hid_dump_report(hid, type, data, size);
85cdaf52 1516
1caea61e
JK		 1517 report = hid_get_report(report_enum, data);
1518
4ea54542
DH		 1519 if (!report) {
1520 ret = -1;
1521 goto unlock;
1522 }
85cdaf52
JS		 1523
1524 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1525 ret = hdrv->raw_event(hid, report, data, size);
556483e2 1526 if (ret < 0)
4ea54542 1527 goto unlock;
85cdaf52
JS		 1528 }
1529
b6787242 1530 ret = hid_report_raw_event(hid, type, data, size, interrupt);
aa8de2f0 1531
4ea54542 1532unlock:
c849a614 1533 up(&hid->driver_input_lock);
45dc1ac7 1534 return ret;
aa8de2f0
JK		 1535}
1536EXPORT_SYMBOL_GPL(hid_input_report);
1537
0f37cd03
JK		 1538static bool hid_match_one_id(struct hid_device *hdev,
1539 const struct hid_device_id *id)
1540{
7431fb76 1541 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
4d53b801 1542 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
0f37cd03
JK		 1543 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1544 (id->product == HID_ANY_ID || id->product == hdev->product);
1545}
1546
bbc21cfd 1547const struct hid_device_id *hid_match_id(struct hid_device *hdev,
0f37cd03
JK		 1548 const struct hid_device_id *id)
1549{
1550 for (; id->bus; id++)
1551 if (hid_match_one_id(hdev, id))
1552 return id;
1553
1554 return NULL;
1555}
1556
1557static const struct hid_device_id hid_hiddev_list[] = {
c0bd6a42
RH		 1558 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1559 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
0f37cd03
JK		 1560 { }
1561};
1562
1563static bool hid_hiddev(struct hid_device *hdev)
1564{
1565 return !!hid_match_id(hdev, hid_hiddev_list);
1566}
1567
6d3bfb74
AO		 1568
1569static ssize_t
1570read_report_descriptor(struct file *filp, struct kobject *kobj,
1571 struct bin_attribute *attr,
1572 char *buf, loff_t off, size_t count)
1573{
1574 struct device *dev = container_of(kobj, struct device, kobj);
1575 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1576
1577 if (off >= hdev->rsize)
1578 return 0;
1579
1580 if (off + count > hdev->rsize)
1581 count = hdev->rsize - off;
1582
1583 memcpy(buf, hdev->rdesc + off, count);
1584
1585 return count;
1586}
1587
a877417e
OG		 1588static ssize_t
1589show_country(struct device *dev, struct device_attribute *attr,
1590 char *buf)
1591{
1592 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1593
1594 return sprintf(buf, "%02x\n", hdev->country & 0xff);
1595}
1596
6d3bfb74
AO		 1597static struct bin_attribute dev_bin_attr_report_desc = {
1598 .attr = { .name = "report_descriptor", .mode = 0444 },
1599 .read = read_report_descriptor,
1600 .size = HID_MAX_DESCRIPTOR_SIZE,
1601};
1602
a877417e
OG		 1603static struct device_attribute dev_attr_country = {
1604 .attr = { .name = "country", .mode = 0444 },
1605 .show = show_country,
1606};
1607
93c10132
JS		 1608int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1609{
1610 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1611 "Joystick", "Gamepad", "Keyboard", "Keypad",
1612 "Multi-Axis Controller"
1613 };
1614 const char *type, *bus;
79b568b9 1615 char buf[64] = "";
93c10132
JS		 1616 unsigned int i;
1617 int len;
6d3bfb74 1618 int ret;
93c10132 1619
b5e5a37e
BN		 1620 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1621 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
3a343ee4
DM		 1622 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1623 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
93c10132
JS		 1624 if (hdev->bus != BUS_USB)
1625 connect_mask &= ~HID_CONNECT_HIDDEV;
0f37cd03
JK		 1626 if (hid_hiddev(hdev))
1627 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
93c10132
JS		 1628
1629 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1630 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1631 hdev->claimed |= HID_CLAIMED_INPUT;
b77c3920 1632
93c10132
JS		 1633 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1634 !hdev->hiddev_connect(hdev,
1635 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1636 hdev->claimed |= HID_CLAIMED_HIDDEV;
1637 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1638 hdev->claimed |= HID_CLAIMED_HIDRAW;
1639
7704ac93
BT		 1640 if (connect_mask & HID_CONNECT_DRIVER)
1641 hdev->claimed |= HID_CLAIMED_DRIVER;
1642
4bc19f62
DH		 1643 /* Drivers with the ->raw_event callback set are not required to connect
1644 * to any other listener. */
1645 if (!hdev->claimed && !hdev->driver->raw_event) {
1646 hid_err(hdev, "device has no listeners, quitting\n");
93c10132
JS		 1647 return -ENODEV;
1648 }
1649
1650 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1651 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1652 hdev->ff_init(hdev);
1653
1654 len = 0;
1655 if (hdev->claimed & HID_CLAIMED_INPUT)
1656 len += sprintf(buf + len, "input");
1657 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1658 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1659 hdev->minor);
1660 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1661 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1662 ((struct hidraw *)hdev->hidraw)->minor);
1663
1664 type = "Device";
1665 for (i = 0; i < hdev->maxcollection; i++) {
1666 struct hid_collection *col = &hdev->collection[i];
1667 if (col->type == HID_COLLECTION_APPLICATION &&
1668 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1669 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1670 type = types[col->usage & 0xffff];
1671 break;
1672 }
1673 }
1674
1675 switch (hdev->bus) {
1676 case BUS_USB:
1677 bus = "USB";
1678 break;
1679 case BUS_BLUETOOTH:
1680 bus = "BLUETOOTH";
1681 break;
06780727
DM		 1682 case BUS_I2C:
1683 bus = "I2C";
1684 break;
93c10132
JS		 1685 default:
1686 bus = "<UNKNOWN>";
1687 }
1688
a877417e
OG		 1689 ret = device_create_file(&hdev->dev, &dev_attr_country);
1690 if (ret)
1691 hid_warn(hdev,
1692 "can't create sysfs country code attribute err: %d\n", ret);
1693
6d3bfb74
AO		 1694 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1695 if (ret)
1696 hid_warn(hdev,
1697 "can't create sysfs report descriptor attribute err: %d\n", ret);
1698
4291ee30
JP		 1699 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1700 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1701 type, hdev->name, hdev->phys);
93c10132
JS		 1702
1703 return 0;
1704}
1705EXPORT_SYMBOL_GPL(hid_connect);
1706
c4c259bc
JK		 1707void hid_disconnect(struct hid_device *hdev)
1708{
a877417e 1709 device_remove_file(&hdev->dev, &dev_attr_country);
6d3bfb74 1710 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
c4c259bc
JK		 1711 if (hdev->claimed & HID_CLAIMED_INPUT)
1712 hidinput_disconnect(hdev);
1713 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1714 hdev->hiddev_disconnect(hdev);
1715 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1716 hidraw_disconnect(hdev);
9c5c6ed7 1717 hdev->claimed = 0;
c4c259bc
JK		 1718}
1719EXPORT_SYMBOL_GPL(hid_disconnect);
1720
00315e4f
JK		 1721/*
1722 * A list of devices for which there is a specialized driver on HID bus.
1723 *
1724 * Please note that for multitouch devices (driven by hid-multitouch driver),
1725 * there is a proper autodetection and autoloading in place (based on presence
1726 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1727 * as we are doing the right thing in hid_scan_usage().
83499b52
AH		 1728 *
1729 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1730 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1731 * used as a driver. See hid_scan_report().
00315e4f 1732 */
ce06b9d6 1733static const struct hid_device_id hid_have_special_driver[] = {
14a21cd4
JS		 1734 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1735 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
b7e1b203 1736 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
c0dbcc33 1737 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
e17f5d76 1738 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
8c19a515 1739 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
128537ce 1740 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
a462230e 1741 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
8c19a515
JS		 1742 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1743 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1744 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1747 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1748 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1749 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1750 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1751 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1752 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
fef3f571
RF		 1753 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1754 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1755 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
8c19a515
JS		 1756 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1757 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1758 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1759 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1760 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1761 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
9a4a5574
BT		 1762 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1763 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1764 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1765 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1766 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
ee8a1a0a
JS		 1767 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1768 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1769 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
8c19a515
JS		 1770 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1771 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1772 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1773 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1774 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1775 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
a96d6ef3
HR		 1776 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1777 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1778 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
99b9f758
EH		 1779 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1780 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1781 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1782 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1783 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1784 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
47340bd9
AB		 1785 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1786 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1787 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
213f9da8
GE		 1788 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1789 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1790 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
4a4c8799
DB		 1791 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1792 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1793 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
f6f554f0
JK		 1794 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1795 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
b3aec7b6
JK		 1797 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1798 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1799 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
b2e6ad7d
RB		 1800 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1801 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1802 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
8d80da90
DH		 1803 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1804 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1805 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
9d9a04ee
DT		 1806 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1807 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1808 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
a4a2c545
HR		 1809 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1810 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1811 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
23aeb61e
CSW		 1812 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1813 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1814 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
f9af7b9e 1815 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
ad734bc1 1816 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
bd4a7ce1 1817 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
8c19a515
JS		 1818 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1819 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
212da74d 1820 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
b5635b12 1821 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
fc38a8a6
HB		 1822 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1823 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1824 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1825 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
bf280628 1826 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
c3dc66de 1827 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
3b239cd7 1828 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
1ce31b25 1829 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
fcfacfd3 1830 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
b9e4b1e0 1831 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
3596bb92 1832 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
2d8767bb 1833 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
9a1d78a3 1834 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
6f78193e 1835 { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
3a370ca1 1836 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
e932d817 1837 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
0f221320
JS		 1838 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1839 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
e8d0eab4 1840 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
76c9d8fe 1841 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
0f221320 1842 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
3f866fbd 1843 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
e05eefb9 1844 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
64b386ea 1845 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
d23efc19
JS		 1846 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1847 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
04561c5a 1848 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
1f243e30 1849 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
5181e594 1850 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
578f3a35 1851 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
931830aa 1852 { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
5181e594 1853 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
42859e0b 1854 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
949f8fef 1855 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
1e093206 1856 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
c2fd1a4e 1857 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
d946e65e 1858 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
ff9bf5a2 1859 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
40d3597f
JK		 1860 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
274be3eb 1862 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
f1a4914b 1863 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
7da7cbbb 1864 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
5df4eb05 1865 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
e917e98f 1866 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
aaca9cc0 1867 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
4ddfe028 1868 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
fdf93aa3 1869 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
177900e8 1870 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
3685c18e 1871 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
4a2c94c9 1872 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
0adb9c2c 1873 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
79422741 1874 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
22ca20b2
NK		 1875 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
2bacedad 1877 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
22ca20b2 1878 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
feb6faf1 1879 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
b5635b12 1880 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
75b07022 1881 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
94723bfa 1882#if IS_ENABLED(CONFIG_HID_LENOVO)
aad932e7 1883 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
f3d4ff0e
JL		 1884 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1885 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
181a8b91 1886 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
aad932e7 1887#endif
5f22a799
JS		 1888 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1890 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1891 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
5844c1cd 1892 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
2f31c525 1893 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
5f22a799
JS		 1894 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
5f22a799
JS		 1897 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
5f22a799
JS		 1899 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
2c6118e4 1901 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
606bd0a8
JS		 1902 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
29fae1c8 1904 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
606bd0a8 1905 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
fd30ea8c 1906 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
606bd0a8 1907 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
74f292ca 1908 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
606bd0a8
JS		 1909 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1910 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
bd04363d 1911 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
5623a24a 1912 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
e00ddc9b 1913 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
243b706d 1914 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
fdc6807f 1915 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
0944e964 1916#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
534a7b8e
NLC		 1917 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1918 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
0944e964 1919#endif
32c88cbc 1920 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
606bd0a8 1921 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
24985cf6
JK		 1922 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1923 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
236db47c
BP		 1924 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
b580169a 1926 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
78a849a6
JS		 1927 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1928 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
89759e20 1929 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
ef567cf9 1930 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
78a849a6
JS		 1931 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1932 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
f3b83d71 1933 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
78a849a6 1934 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
3faed1af 1935 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
0439de75 1936 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
c6956eb7 1937 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
0439de75 1938 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
be3b1634 1939 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
18eec2cd 1940 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
3b8006e5 1941 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
f471d948 1942 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
94011f93 1943 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
6e32819e 1944 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1949 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1950 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1952 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1954 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1957 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1958 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1959 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1960 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
270fdc07 1962 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
cd9ec30d 1963 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
ffe51d0d 1964 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
1e762532 1965 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
1a3f83f6 1966 { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
f6a04605 1967 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
ca9bbdcc 1968#if IS_ENABLED(CONFIG_HID_ROCCAT)
e68cc603 1969 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
d41c2a70 1970 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
e078809d
SA		 1971 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1972 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
47dbdbff 1973 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
8936aa31 1974 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
a4be0ed3 1975 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
e078809d 1976 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
0e70f97f 1977 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
4424f616 1978 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
cb7cf3da 1979 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
3fce2246 1980 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
6f3a1936
SA		 1981 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1982 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1983 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
6a2a6390 1984 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
ca9bbdcc 1985#endif
37c492c8 1986#if IS_ENABLED(CONFIG_HID_SAITEK)
1e93674a 1987 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
afe98939 1988 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
37c492c8
HB		 1989 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1990 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
8ffd341c 1991 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
7bb9d643 1992 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
37c492c8 1993#endif
980a3da6 1994 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
b355850b 1995 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
d586dca0 1996 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
68a49e51 1997 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
f04d5140
CL		 1998 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1999 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
7c886d09 2000 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
a4afa854 2001 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
35dca5b4 2002 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
6eabaaa0 2003 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
5844c1cd 2004 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
bd28ce00 2005 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
f9ce7c28 2006 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
0bd88dd3
FP		 2007 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2008 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
cc6e0bbb 2009 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
c1e0ac19 2010 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
75dbb953 2011 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
90231e7e 2012 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
30ba2fbd 2013 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
daedb3d6
AH		 2014 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2015 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
7a84b133
RAG		 2016 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2017 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
daedb3d6 2018 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
3ee8f0a2 2019 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
daedb3d6 2020 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
d65c3768 2021 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
740363fb 2022 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
44ea35c1 2023 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
9b028649 2024 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
f14f526d 2025 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
54001081 2026 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
711a680e 2027 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
41fa9230 2028 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
f8a489cc
NK		 2029 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2030 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2031 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
6be914f1 2032 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
d1257081 2033 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
eb4e426a 2034 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
fac733f0 2035 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
42fc04e5 2036 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
ad395cca 2037 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
1bcc2067
SY		 2038 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2039 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2040 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
6e5e9a06 2041 { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
72a46344 2042 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
00e7f964 2043 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
4fdc18d1 2044 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
a786e83c 2045 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
72a46344 2046 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
8f1acc32 2047 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
d2ee4dd9 2048 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
74bc6953 2049 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
cb2c9e3f 2050 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
daedb3d6
AH		 2051 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2052 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
a9885c8f 2053 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
8c19a515 2054
78a849a6 2055 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
02fb72a0 2056 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
a33042fa 2057 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
e9287099 2058 { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
85cdaf52
JS		 2059 { }
2060};
2061
3a6f82f7
JS		 2062struct hid_dynid {
2063 struct list_head list;
2064 struct hid_device_id id;
2065};
2066
2067/**
2068 * store_new_id - add a new HID device ID to this driver and re-probe devices
2069 * @driver: target device driver
2070 * @buf: buffer for scanning device ID data
2071 * @count: input size
2072 *
2073 * Adds a new dynamic hid device ID to this driver,
2074 * and causes the driver to probe for all devices again.
2075 */
2076static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2077 size_t count)
2078{
2079 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2080 struct hid_dynid *dynid;
2081 __u32 bus, vendor, product;
2082 unsigned long driver_data = 0;
2083 int ret;
2084
2085 ret = sscanf(buf, "%x %x %x %lx",
2086 &bus, &vendor, &product, &driver_data);
2087 if (ret < 3)
2088 return -EINVAL;
2089
2090 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2091 if (!dynid)
2092 return -ENOMEM;
2093
2094 dynid->id.bus = bus;
4d53b801 2095 dynid->id.group = HID_GROUP_ANY;
3a6f82f7
JS		 2096 dynid->id.vendor = vendor;
2097 dynid->id.product = product;
2098 dynid->id.driver_data = driver_data;
2099
2100 spin_lock(&hdrv->dyn_lock);
2101 list_add_tail(&dynid->list, &hdrv->dyn_list);
2102 spin_unlock(&hdrv->dyn_lock);
2103
cef9bc56 2104 ret = driver_attach(&hdrv->driver);
3a6f82f7
JS		 2105
2106 return ret ? : count;
2107}
2108static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2109
2110static void hid_free_dynids(struct hid_driver *hdrv)
2111{
2112 struct hid_dynid *dynid, *n;
2113
2114 spin_lock(&hdrv->dyn_lock);
2115 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2116 list_del(&dynid->list);
2117 kfree(dynid);
2118 }
2119 spin_unlock(&hdrv->dyn_lock);
2120}
2121
2122static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2123 struct hid_driver *hdrv)
2124{
2125 struct hid_dynid *dynid;
2126
2127 spin_lock(&hdrv->dyn_lock);
2128 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2129 if (hid_match_one_id(hdev, &dynid->id)) {
2130 spin_unlock(&hdrv->dyn_lock);
2131 return &dynid->id;
2132 }
2133 }
2134 spin_unlock(&hdrv->dyn_lock);
2135
2136 return hid_match_id(hdev, hdrv->id_table);
2137}
2138
85cdaf52
JS		 2139static int hid_bus_match(struct device *dev, struct device_driver *drv)
2140{
2141 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2142 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2143
070748ed 2144 return hid_match_device(hdev, hdrv) != NULL;
85cdaf52
JS		 2145}
2146
2147static int hid_device_probe(struct device *dev)
2148{
2149 struct hid_driver *hdrv = container_of(dev->driver,
2150 struct hid_driver, driver);
2151 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2152 const struct hid_device_id *id;
2153 int ret = 0;
2154
4ea54542
DH		 2155 if (down_interruptible(&hdev->driver_lock))
2156 return -EINTR;
c849a614
AR		 2157 if (down_interruptible(&hdev->driver_input_lock)) {
2158 ret = -EINTR;
2159 goto unlock_driver_lock;
2160 }
2161 hdev->io_started = false;
4ea54542 2162
85cdaf52 2163 if (!hdev->driver) {
3a6f82f7 2164 id = hid_match_device(hdev, hdrv);
ba623a77 2165 if (id == NULL) {
4fa3a583
HR		 2166 ret = -ENODEV;
2167 goto unlock;
ba623a77 2168 }
85cdaf52 2169
c500c971
JS		 2170 hdev->driver = hdrv;
2171 if (hdrv->probe) {
2172 ret = hdrv->probe(hdev, id);
2173 } else { /* default probe */
a7197c2e 2174 ret = hid_open_report(hdev);
c500c971 2175 if (!ret)
93c10132 2176 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
85cdaf52 2177 }
a7197c2e
HR		 2178 if (ret) {
2179 hid_close_report(hdev);
c500c971 2180 hdev->driver = NULL;
a7197c2e 2181 }
85cdaf52 2182 }
ba623a77 2183unlock:
c849a614
AR		 2184 if (!hdev->io_started)
2185 up(&hdev->driver_input_lock);
2186unlock_driver_lock:
4ea54542 2187 up(&hdev->driver_lock);
85cdaf52
JS		 2188 return ret;
2189}
2190
2191static int hid_device_remove(struct device *dev)
2192{
2193 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
4ea54542 2194 struct hid_driver *hdrv;
c849a614 2195 int ret = 0;
4ea54542
DH		 2196
2197 if (down_interruptible(&hdev->driver_lock))
2198 return -EINTR;
c849a614
AR		 2199 if (down_interruptible(&hdev->driver_input_lock)) {
2200 ret = -EINTR;
2201 goto unlock_driver_lock;
2202 }
2203 hdev->io_started = false;
85cdaf52 2204
4ea54542 2205 hdrv = hdev->driver;
85cdaf52
JS		 2206 if (hdrv) {
2207 if (hdrv->remove)
2208 hdrv->remove(hdev);
c500c971
JS		 2209 else /* default remove */
2210 hid_hw_stop(hdev);
a7197c2e 2211 hid_close_report(hdev);
85cdaf52
JS		 2212 hdev->driver = NULL;
2213 }
2214
c849a614
AR		 2215 if (!hdev->io_started)
2216 up(&hdev->driver_input_lock);
2217unlock_driver_lock:
4ea54542 2218 up(&hdev->driver_lock);
c849a614 2219 return ret;
85cdaf52
JS		 2220}
2221
4d53b801
HR		 2222static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2223 char *buf)
2224{
2225 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2226 int len;
2227
2228 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2229 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2230
2231 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2232}
0d4260e0 2233static DEVICE_ATTR_RO(modalias);
4d53b801 2234
0d4260e0
GKH		 2235static struct attribute *hid_dev_attrs[] = {
2236 &dev_attr_modalias.attr,
2237 NULL,
4d53b801 2238};
0d4260e0 2239ATTRIBUTE_GROUPS(hid_dev);
4d53b801 2240
85cdaf52
JS		 2241static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2242{
2243 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2244
2245 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2246 hdev->bus, hdev->vendor, hdev->product))
2247 return -ENOMEM;
2248
2249 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2250 return -ENOMEM;
2251
2252 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2253 return -ENOMEM;
2254
2255 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2256 return -ENOMEM;
2257
4d53b801
HR		 2258 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2259 hdev->bus, hdev->group, hdev->vendor, hdev->product))
85cdaf52
JS		 2260 return -ENOMEM;
2261
2262 return 0;
2263}
2264
2265static struct bus_type hid_bus_type = {
2266 .name = "hid",
0d4260e0 2267 .dev_groups = hid_dev_groups,
85cdaf52
JS		 2268 .match = hid_bus_match,
2269 .probe = hid_device_probe,
2270 .remove = hid_device_remove,
2271 .uevent = hid_uevent,
2272};
2273
bae7eb33 2274/* a list of devices that shouldn't be handled by HID core at all */
d458a9df
JS		 2275static const struct hid_device_id hid_ignore_list[] = {
2276 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2277 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2278 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2279 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2280 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2281 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2282 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2283 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2284 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2285 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2286 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2287 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
77f720b7
SC		 2288 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2289 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
62a56582 2290 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
11030183 2291 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
d458a9df
JS		 2292 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2293 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2294 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
adc23259 2295 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
d458a9df
JS		 2296 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2297 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2298 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
5f6108cf 2299 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
d458a9df
JS		 2300 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2301 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
73bc7d31 2302 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
789aaa2e 2303 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
6ccfe64c 2304 { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
534fcb3b 2305 { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0401) },
d458a9df 2306 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
70c66567 2307 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
df506f2c 2308 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
b1807719 2309 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
d458a9df 2310 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
d458a9df 2311 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
d458a9df
JS		 2312 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2313 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2314 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2315 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2316 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2317 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
8e2ce73e 2318 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
d458a9df
JS		 2319 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2320 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2321 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2322 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2323 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2324 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2325 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2326 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2327 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2328 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2329 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2330 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2331 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2332 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2333 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2334 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2335 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2336 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2337 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2338 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2339 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2340 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2341 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2342 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2343 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2344 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2345 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2346 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2347 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2348 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2349 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2350 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2351 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2352 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2353 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2354 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2355 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2356 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2357 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2358 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2359 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2360 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2361 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2362 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2363 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2364 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2365 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
31b9779c
VP		 2366 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2367 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
43c1a0a9 2368 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
d458a9df 2369 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
c91c21c5 2370 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
d458a9df 2371 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
eb8141cc 2372 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
d458a9df 2373 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
ce97cac8 2374 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
d458a9df 2375 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
ce97cac8 2376 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
d458a9df 2377 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
ce97cac8
MH		 2378 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2379 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2380 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2381 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2382 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2383 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
d458a9df
JS		 2384 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2385 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2386 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
ce97cac8
MH		 2387 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2388 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2389 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
d458a9df
JS		 2390 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2391 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
ce97cac8 2392 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
d458a9df
JS		 2393 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2394 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2395 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2396 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2397 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
ce97cac8
MH		 2398 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2399 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2400 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2401 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2402 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2403 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2404 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
3ffb62cb 2405 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
d458a9df
JS		 2406 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2407 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
d458a9df
JS		 2408 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2409 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
a8c8316b 2410 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
d458a9df
JS		 2411 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2412 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2413 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2414 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2415 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2416 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2417 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2418 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2419 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2420 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2421 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2422 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2423 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2424 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2425 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
4cfae3e8 2426 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
35cfd1d9 2427 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
8491ee10
JS		 2428#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2429 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2430 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2431 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2432 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2433 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2434 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2435 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2436 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2437#endif
d458a9df 2438 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
759db9ea 2439 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
d458a9df
JS		 2440 { }
2441};
2442
b4d8e473
JS		 2443/**
2444 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2445 *
2446 * There are composite devices for which we want to ignore only a certain
2447 * interface. This is a list of devices for which only the mouse interface will
2448 * be ignored. This allows a dedicated driver to take care of the interface.
2449 */
2450static const struct hid_device_id hid_mouse_ignore_list[] = {
2451 /* appletouch driver */
2452 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2453 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2454 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2455 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2456 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2457 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2458 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2459 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2460 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2461 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2462 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2463 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2464 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2465 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2466 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2467 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2468 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2469 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2470 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2471 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
ac26fca3
JK		 2472 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2473 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2474 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
99b9f758
EH		 2475 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2476 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2477 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2478 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2479 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2480 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
47340bd9
AB		 2481 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2482 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2483 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
213f9da8
GE		 2484 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2485 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2486 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
4b086910
JK		 2487 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2488 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2489 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2490 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2491 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2492 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
b2e6ad7d
RB		 2493 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2494 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2495 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
8d80da90
DH		 2496 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2497 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2498 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
9d9a04ee
DT		 2499 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2500 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2501 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
a4a2c545
HR		 2502 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2503 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2504 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
b4d8e473
JS		 2505 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2506 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2507 { }
2508};
2509
4529eefa 2510bool hid_ignore(struct hid_device *hdev)
d458a9df 2511{
4529eefa
LS		 2512 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2513 return false;
2514 if (hdev->quirks & HID_QUIRK_IGNORE)
2515 return true;
2516
d458a9df
JS		 2517 switch (hdev->vendor) {
2518 case USB_VENDOR_ID_CODEMERCS:
2519 /* ignore all Code Mercenaries IOWarrior devices */
2520 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2521 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2522 return true;
2523 break;
2524 case USB_VENDOR_ID_LOGITECH:
2525 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2526 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2527 return true;
65dd3b69
HV		 2528 /*
2529 * The Keene FM transmitter USB device has the same USB ID as
2530 * the Logitech AudioHub Speaker, but it should ignore the hid.
2531 * Check if the name is that of the Keene device.
2532 * For reference: the name of the AudioHub is
2533 * "HOLTEK AudioHub Speaker".
2534 */
2535 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2536 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2537 return true;
d458a9df 2538 break;
31f7fd79
JW		 2539 case USB_VENDOR_ID_SOUNDGRAPH:
2540 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2541 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2542 return true;
2543 break;
bba5394a
XW		 2544 case USB_VENDOR_ID_HANWANG:
2545 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2546 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2547 return true;
2548 break;
6dc1418e
TS		 2549 case USB_VENDOR_ID_JESS:
2550 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2551 hdev->type == HID_TYPE_USBNONE)
2552 return true;
729b814a 2553 break;
30b6b7d8
IA		 2554 case USB_VENDOR_ID_VELLEMAN:
2555 /* These are not HID devices. They are handled by comedi. */
2556 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2557 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2558 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2559 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2560 return true;
2561 break;
5b4617d8
AK		 2562 case USB_VENDOR_ID_ATMEL_V_USB:
2563 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2564 * it has the same USB ID as many Atmel V-USB devices. This
2565 * usb radio is handled by radio-ma901.c driver so we want
2566 * ignore the hid. Check the name, bus, product and ignore
2567 * if we have MA901 usb radio.
2568 */
2569 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2570 hdev->bus == BUS_USB &&
2571 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2572 return true;
2573 break;
d458a9df
JS		 2574 }
2575
b4d8e473
JS		 2576 if (hdev->type == HID_TYPE_USBMOUSE &&
2577 hid_match_id(hdev, hid_mouse_ignore_list))
2578 return true;
2579
d458a9df
JS		 2580 return !!hid_match_id(hdev, hid_ignore_list);
2581}
4529eefa 2582EXPORT_SYMBOL_GPL(hid_ignore);
d458a9df 2583
85cdaf52
JS		 2584int hid_add_device(struct hid_device *hdev)
2585{
2586 static atomic_t id = ATOMIC_INIT(0);
2587 int ret;
2588
2589 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2590 return -EBUSY;
2591
d458a9df
JS		 2592 /* we need to kill them here, otherwise they will stay allocated to
2593 * wait for coming driver */
4529eefa 2594 if (hid_ignore(hdev))
d458a9df
JS		 2595 return -ENODEV;
2596
3c86726c
BT		 2597 /*
2598 * Check for the mandatory transport channel.
2599 */
2600 if (!hdev->ll_driver->raw_request) {
2601 hid_err(hdev, "transport driver missing .raw_request()\n");
2602 return -EINVAL;
2603 }
2604
a7197c2e
HR		 2605 /*
2606 * Read the device report descriptor once and use as template
2607 * for the driver-specific modifications.
2608 */
2609 ret = hdev->ll_driver->parse(hdev);
2610 if (ret)
2611 return ret;
2612 if (!hdev->dev_rdesc)
2613 return -ENODEV;
2614
734c6609
HR		 2615 /*
2616 * Scan generic devices for group information
2617 */
2618 if (hid_ignore_special_drivers ||
9578f41a
BT		 2619 (!hdev->group &&
2620 !hid_match_id(hdev, hid_have_special_driver))) {
734c6609
HR		 2621 ret = hid_scan_report(hdev);
2622 if (ret)
2623 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2624 }
2625
6bbe586f
KS		 2626 /* XXX hack, any other cleaner solution after the driver core
2627 * is converted to allow more than 20 bytes as the device name? */
2628 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2629 hdev->vendor, hdev->product, atomic_inc_return(&id));
85cdaf52 2630
4da361b6 2631 hid_debug_register(hdev, dev_name(&hdev->dev));
85cdaf52
JS		 2632 ret = device_add(&hdev->dev);
2633 if (!ret)
2634 hdev->status |= HID_STAT_ADDED;
4da361b6
BP		 2635 else
2636 hid_debug_unregister(hdev);
a635f9dd 2637
85cdaf52
JS		 2638 return ret;
2639}
2640EXPORT_SYMBOL_GPL(hid_add_device);
2641
2642/**
2643 * hid_allocate_device - allocate new hid device descriptor
2644 *
2645 * Allocate and initialize hid device, so that hid_destroy_device might be
2646 * used to free it.
2647 *
2648 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2649 * error value.
2650 */
2651struct hid_device *hid_allocate_device(void)
2652{
2653 struct hid_device *hdev;
85cdaf52
JS		 2654 int ret = -ENOMEM;
2655
2656 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2657 if (hdev == NULL)
2658 return ERR_PTR(ret);
2659
2660 device_initialize(&hdev->dev);
2661 hdev->dev.release = hid_device_release;
2662 hdev->dev.bus = &hid_bus_type;
2663
a7197c2e 2664 hid_close_report(hdev);
85cdaf52 2665
cd667ce2
JK		 2666 init_waitqueue_head(&hdev->debug_wait);
2667 INIT_LIST_HEAD(&hdev->debug_list);
1deb9d34 2668 spin_lock_init(&hdev->debug_list_lock);
4ea54542 2669 sema_init(&hdev->driver_lock, 1);
c849a614 2670 sema_init(&hdev->driver_input_lock, 1);
cd667ce2 2671
85cdaf52 2672 return hdev;
85cdaf52
JS		 2673}
2674EXPORT_SYMBOL_GPL(hid_allocate_device);
2675
2676static void hid_remove_device(struct hid_device *hdev)
2677{
2678 if (hdev->status & HID_STAT_ADDED) {
2679 device_del(&hdev->dev);
a635f9dd 2680 hid_debug_unregister(hdev);
85cdaf52
JS		 2681 hdev->status &= ~HID_STAT_ADDED;
2682 }
a7197c2e
HR		 2683 kfree(hdev->dev_rdesc);
2684 hdev->dev_rdesc = NULL;
2685 hdev->dev_rsize = 0;
85cdaf52
JS		 2686}
2687
2688/**
2689 * hid_destroy_device - free previously allocated device
2690 *
2691 * @hdev: hid device
2692 *
2693 * If you allocate hid_device through hid_allocate_device, you should ever
2694 * free by this function.
2695 */
2696void hid_destroy_device(struct hid_device *hdev)
2697{
2698 hid_remove_device(hdev);
2699 put_device(&hdev->dev);
2700}
2701EXPORT_SYMBOL_GPL(hid_destroy_device);
2702
2703int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2704 const char *mod_name)
2705{
3a6f82f7
JS		 2706 int ret;
2707
85cdaf52
JS		 2708 hdrv->driver.name = hdrv->name;
2709 hdrv->driver.bus = &hid_bus_type;
2710 hdrv->driver.owner = owner;
2711 hdrv->driver.mod_name = mod_name;
2712
3a6f82f7
JS		 2713 INIT_LIST_HEAD(&hdrv->dyn_list);
2714 spin_lock_init(&hdrv->dyn_lock);
2715
2716 ret = driver_register(&hdrv->driver);
2717 if (ret)
2718 return ret;
2719
2720 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2721 if (ret)
2722 driver_unregister(&hdrv->driver);
2723
2724 return ret;
85cdaf52
JS		 2725}
2726EXPORT_SYMBOL_GPL(__hid_register_driver);
2727
2728void hid_unregister_driver(struct hid_driver *hdrv)
2729{
3a6f82f7 2730 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
85cdaf52 2731 driver_unregister(&hdrv->driver);
3a6f82f7 2732 hid_free_dynids(hdrv);
85cdaf52
JS		 2733}
2734EXPORT_SYMBOL_GPL(hid_unregister_driver);
2735
0361a28d
ON		 2736int hid_check_keys_pressed(struct hid_device *hid)
2737{
2738 struct hid_input *hidinput;
2739 int i;
2740
e5288eb5
JK		 2741 if (!(hid->claimed & HID_CLAIMED_INPUT))
2742 return 0;
2743
0361a28d
ON		 2744 list_for_each_entry(hidinput, &hid->inputs, list) {
2745 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2746 if (hidinput->input->key[i])
2747 return 1;
2748 }
2749
2750 return 0;
2751}
2752
2753EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2754
86166b7b
JK		 2755static int __init hid_init(void)
2756{
85cdaf52
JS		 2757 int ret;
2758
a635f9dd 2759 if (hid_debug)
4291ee30
JP		 2760 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2761 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
a635f9dd 2762
85cdaf52
JS		 2763 ret = bus_register(&hid_bus_type);
2764 if (ret) {
4291ee30 2765 pr_err("can't register hid bus\n");
85cdaf52
JS		 2766 goto err;
2767 }
2768
2769 ret = hidraw_init();
2770 if (ret)
2771 goto err_bus;
2772
a635f9dd
JK		 2773 hid_debug_init();
2774
85cdaf52
JS		 2775 return 0;
2776err_bus:
2777 bus_unregister(&hid_bus_type);
2778err:
2779 return ret;
86166b7b
JK		 2780}
2781
2782static void __exit hid_exit(void)
2783{
a635f9dd 2784 hid_debug_exit();
86166b7b 2785 hidraw_exit();
85cdaf52 2786 bus_unregister(&hid_bus_type);
86166b7b
JK		 2787}
2788
2789module_init(hid_init);
2790module_exit(hid_exit);
2791
88adb72b
JK		 2792MODULE_AUTHOR("Andreas Gal");
2793MODULE_AUTHOR("Vojtech Pavlik");
2794MODULE_AUTHOR("Jiri Kosina");
aa938f79
JK		 2795MODULE_LICENSE(DRIVER_LICENSE);
2796
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