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