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Jiri Kosinadde58452006-12-08 18:40:44 +01001/*
Jiri Kosina229695e2006-12-08 18:40:53 +01002 * HID support for Linux
Jiri Kosinadde58452006-12-08 18:40:44 +01003 *
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
Jiri Kosina6b1968d2012-03-09 13:55:43 +01007 * Copyright (c) 2006-2012 Jiri Kosina
Jiri Kosinadde58452006-12-08 18:40:44 +01008 */
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
Joe Perches4291ee32010-12-09 19:29:03 -080017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Jiri Kosinadde58452006-12-08 18:40:44 +010019#include <linux/module.h>
20#include <linux/slab.h>
21#include <linux/init.h>
22#include <linux/kernel.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010023#include <linux/list.h>
24#include <linux/mm.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010025#include <linux/spinlock.h>
26#include <asm/unaligned.h>
27#include <asm/byteorder.h>
28#include <linux/input.h>
29#include <linux/wait.h>
Jiri Kosina47a80ed2007-03-12 14:55:12 +010030#include <linux/vmalloc.h>
Jiri Kosinac4124c92007-11-30 11:12:58 +010031#include <linux/sched.h>
David Herrmann4ea54542011-08-10 14:02:07 +020032#include <linux/semaphore.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010033
Jiri Kosinadde58452006-12-08 18:40:44 +010034#include <linux/hid.h>
35#include <linux/hiddev.h>
Jiri Kosinac080d892007-01-25 11:43:31 +010036#include <linux/hid-debug.h>
Jiri Kosina86166b72007-05-14 09:57:40 +020037#include <linux/hidraw.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010038
Jiri Slaby5f22a792008-05-16 11:49:19 +020039#include "hid-ids.h"
40
Jiri Kosinadde58452006-12-08 18:40:44 +010041/*
42 * Version Information
43 */
44
Jiri Kosina53149802007-01-09 13:24:25 +010045#define DRIVER_DESC "HID core driver"
Jiri Kosinadde58452006-12-08 18:40:44 +010046#define DRIVER_LICENSE "GPL"
47
Jiri Kosina58037eb2007-05-30 15:07:13 +020048int hid_debug = 0;
Anssi Hannula377e10f2008-03-22 23:50:13 +010049module_param_named(debug, hid_debug, int, 0600);
Jiri Kosinacd667ce2009-06-12 15:20:57 +020050MODULE_PARM_DESC(debug, "toggle HID debugging messages");
Jiri Kosina58037eb2007-05-30 15:07:13 +020051EXPORT_SYMBOL_GPL(hid_debug);
Jiri Kosina58037eb2007-05-30 15:07:13 +020052
Jiri Kosina6b1968d2012-03-09 13:55:43 +010053static int hid_ignore_special_drivers = 0;
54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
Hans Petter Selasky643727a2014-09-08 09:35:35 +020055MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
Jiri Kosina6b1968d2012-03-09 13:55:43 +010056
Jiri Kosinadde58452006-12-08 18:40:44 +010057/*
Jiri Kosinadde58452006-12-08 18:40:44 +010058 * Register a new report for a device.
59 */
60
Michael Poole90a006a2010-01-24 22:32:29 -050061struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
Jiri Kosinadde58452006-12-08 18:40:44 +010062{
63 struct hid_report_enum *report_enum = device->report_enum + type;
64 struct hid_report *report;
65
Kees Cook43622022013-08-28 22:29:55 +020066 if (id >= HID_MAX_IDS)
67 return NULL;
Jiri Kosinadde58452006-12-08 18:40:44 +010068 if (report_enum->report_id_hash[id])
69 return report_enum->report_id_hash[id];
70
Joe Perchesa3789a12010-12-09 19:29:07 -080071 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
72 if (!report)
Jiri Kosinadde58452006-12-08 18:40:44 +010073 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}
Michael Poole90a006a2010-01-24 22:32:29 -050088EXPORT_SYMBOL_GPL(hid_register_report);
Jiri Kosinadde58452006-12-08 18:40:44 +010089
90/*
91 * Register a new field for this report.
92 */
93
Will McVicker5c938b92020-12-05 00:48:48 +000094static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages)
Jiri Kosinadde58452006-12-08 18:40:44 +010095{
96 struct hid_field *field;
97
98 if (report->maxfield == HID_MAX_FIELDS) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +010099 hid_err(report->device, "too many fields in report\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100100 return NULL;
101 }
102
Joe Perchesa3789a12010-12-09 19:29:07 -0800103 field = kzalloc((sizeof(struct hid_field) +
104 usages * sizeof(struct hid_usage) +
Will McVicker5c938b92020-12-05 00:48:48 +0000105 usages * sizeof(unsigned)), GFP_KERNEL);
Joe Perchesa3789a12010-12-09 19:29:07 -0800106 if (!field)
107 return NULL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100108
109 field->index = report->maxfield++;
110 report->field[field->index] = field;
111 field->usage = (struct hid_usage *)(field + 1);
Jiri Slaby282bfd42008-03-28 17:06:41 +0100112 field->value = (s32 *)(field->usage + usages);
Jiri Kosinadde58452006-12-08 18:40:44 +0100113 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) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100130 hid_err(parser->device, "collection stack overflow\n");
Sachin Kamata6fbaac2012-09-17 16:41:56 +0530131 return -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100132 }
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) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100138 hid_err(parser->device, "failed to reallocate collection array\n");
Sachin Kamata6fbaac2012-09-17 16:41:56 +0530139 return -ENOMEM;
Jiri Kosinadde58452006-12-08 18:40:44 +0100140 }
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) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100174 hid_err(parser->device, "collection stack underflow\n");
Sachin Kamata6fbaac2012-09-17 16:41:56 +0530175 return -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100176 }
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{
Joe Perches504499f2010-12-09 19:29:08 -0800188 struct hid_collection *collection = parser->device->collection;
Jiri Kosinadde58452006-12-08 18:40:44 +0100189 int n;
Joe Perches504499f2010-12-09 19:29:08 -0800190
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 }
Jiri Kosinadde58452006-12-08 18:40:44 +0100196 return 0; /* we know nothing about this usage type */
197}
198
199/*
Candle Sun08d5c692019-10-22 22:21:39 +0800200 * Concatenate usage which defines 16 bits or less with the
201 * currently defined usage page to form a 32 bit usage
202 */
203
204static void complete_usage(struct hid_parser *parser, unsigned int index)
205{
206 parser->local.usage[index] &= 0xFFFF;
207 parser->local.usage[index] |=
208 (parser->global.usage_page & 0xFFFF) << 16;
209}
210
211/*
Jiri Kosinadde58452006-12-08 18:40:44 +0100212 * Add a usage to the temporary parser table.
213 */
214
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800215static int hid_add_usage(struct hid_parser *parser, unsigned usage, u8 size)
Jiri Kosinadde58452006-12-08 18:40:44 +0100216{
217 if (parser->local.usage_index >= HID_MAX_USAGES) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100218 hid_err(parser->device, "usage index exceeded\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100219 return -1;
220 }
221 parser->local.usage[parser->local.usage_index] = usage;
Candle Sun08d5c692019-10-22 22:21:39 +0800222
223 /*
224 * If Usage item only includes usage id, concatenate it with
225 * currently defined usage page
226 */
227 if (size <= 2)
228 complete_usage(parser, parser->local.usage_index);
229
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800230 parser->local.usage_size[parser->local.usage_index] = size;
Jiri Kosinadde58452006-12-08 18:40:44 +0100231 parser->local.collection_index[parser->local.usage_index] =
232 parser->collection_stack_ptr ?
233 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
234 parser->local.usage_index++;
235 return 0;
236}
237
238/*
239 * Register a new field for this report.
240 */
241
242static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
243{
244 struct hid_report *report;
245 struct hid_field *field;
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200246 unsigned usages;
Jiri Kosinadde58452006-12-08 18:40:44 +0100247 unsigned offset;
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200248 unsigned i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100249
Joe Perchesa3789a12010-12-09 19:29:07 -0800250 report = hid_register_report(parser->device, report_type, parser->global.report_id);
251 if (!report) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100252 hid_err(parser->device, "hid_register_report failed\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100253 return -1;
254 }
255
Jiri Kosinabb2e1972012-05-14 15:02:56 +0200256 /* Handle both signed and unsigned cases properly */
srinivas pandruvada0cd516c2012-05-10 16:45:31 -0700257 if ((parser->global.logical_minimum < 0 &&
258 parser->global.logical_maximum <
259 parser->global.logical_minimum) ||
260 (parser->global.logical_minimum >= 0 &&
261 (__u32)parser->global.logical_maximum <
262 (__u32)parser->global.logical_minimum)) {
263 dbg_hid("logical range invalid 0x%x 0x%x\n",
264 parser->global.logical_minimum,
265 parser->global.logical_maximum);
Jiri Kosinadde58452006-12-08 18:40:44 +0100266 return -1;
267 }
268
269 offset = report->size;
270 report->size += parser->global.report_size * parser->global.report_count;
271
Alan Stern2aa4a4c2019-12-10 16:26:11 -0500272 /* Total size check: Allow for possible report index byte */
273 if (report->size > (HID_MAX_BUFFER_SIZE - 1) << 3) {
274 hid_err(parser->device, "report is too long\n");
275 return -1;
276 }
277
Jiri Kosinadde58452006-12-08 18:40:44 +0100278 if (!parser->local.usage_index) /* Ignore padding fields */
279 return 0;
280
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200281 usages = max_t(unsigned, parser->local.usage_index,
282 parser->global.report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +0100283
Will McVicker5c938b92020-12-05 00:48:48 +0000284 field = hid_register_field(report, usages);
Joe Perchesa3789a12010-12-09 19:29:07 -0800285 if (!field)
Jiri Kosinadde58452006-12-08 18:40:44 +0100286 return 0;
287
288 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
289 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
290 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
291
292 for (i = 0; i < usages; i++) {
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200293 unsigned j = i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100294 /* Duplicate the last usage we parsed if we have excess values */
295 if (i >= parser->local.usage_index)
296 j = parser->local.usage_index - 1;
297 field->usage[i].hid = parser->local.usage[j];
298 field->usage[i].collection_index =
299 parser->local.collection_index[j];
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200300 field->usage[i].usage_index = i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100301 }
302
303 field->maxusage = usages;
304 field->flags = flags;
305 field->report_offset = offset;
306 field->report_type = report_type;
307 field->report_size = parser->global.report_size;
308 field->report_count = parser->global.report_count;
309 field->logical_minimum = parser->global.logical_minimum;
310 field->logical_maximum = parser->global.logical_maximum;
311 field->physical_minimum = parser->global.physical_minimum;
312 field->physical_maximum = parser->global.physical_maximum;
313 field->unit_exponent = parser->global.unit_exponent;
314 field->unit = parser->global.unit;
315
316 return 0;
317}
318
319/*
320 * Read data value from item.
321 */
322
323static u32 item_udata(struct hid_item *item)
324{
325 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200326 case 1: return item->data.u8;
327 case 2: return item->data.u16;
328 case 4: return item->data.u32;
Jiri Kosinadde58452006-12-08 18:40:44 +0100329 }
330 return 0;
331}
332
333static s32 item_sdata(struct hid_item *item)
334{
335 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200336 case 1: return item->data.s8;
337 case 2: return item->data.s16;
338 case 4: return item->data.s32;
Jiri Kosinadde58452006-12-08 18:40:44 +0100339 }
340 return 0;
341}
342
343/*
344 * Process a global item.
345 */
346
347static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
348{
Nikolai Kondrashovad0e669b2013-10-13 15:09:52 +0300349 __s32 raw_value;
Jiri Kosinadde58452006-12-08 18:40:44 +0100350 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200351 case HID_GLOBAL_ITEM_TAG_PUSH:
Jiri Kosinadde58452006-12-08 18:40:44 +0100352
Jiri Slaby880d29f2008-06-18 23:55:41 +0200353 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100354 hid_err(parser->device, "global environment stack overflow\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100355 return -1;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200356 }
357
358 memcpy(parser->global_stack + parser->global_stack_ptr++,
359 &parser->global, sizeof(struct hid_global));
360 return 0;
361
362 case HID_GLOBAL_ITEM_TAG_POP:
363
364 if (!parser->global_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100365 hid_err(parser->device, "global environment stack underflow\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200366 return -1;
367 }
368
369 memcpy(&parser->global, parser->global_stack +
370 --parser->global_stack_ptr, sizeof(struct hid_global));
371 return 0;
372
373 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
374 parser->global.usage_page = item_udata(item);
375 return 0;
376
377 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
378 parser->global.logical_minimum = item_sdata(item);
379 return 0;
380
381 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
382 if (parser->global.logical_minimum < 0)
383 parser->global.logical_maximum = item_sdata(item);
384 else
385 parser->global.logical_maximum = item_udata(item);
386 return 0;
387
388 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
389 parser->global.physical_minimum = item_sdata(item);
390 return 0;
391
392 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
393 if (parser->global.physical_minimum < 0)
394 parser->global.physical_maximum = item_sdata(item);
395 else
396 parser->global.physical_maximum = item_udata(item);
397 return 0;
398
399 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
Nikolai Kondrashovad0e669b2013-10-13 15:09:52 +0300400 /* Many devices provide unit exponent as a two's complement
401 * nibble due to the common misunderstanding of HID
402 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
403 * both this and the standard encoding. */
404 raw_value = item_sdata(item);
Benjamin Tissoires77463832012-11-14 16:59:15 +0100405 if (!(raw_value & 0xfffffff0))
406 parser->global.unit_exponent = hid_snto32(raw_value, 4);
407 else
408 parser->global.unit_exponent = raw_value;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200409 return 0;
410
411 case HID_GLOBAL_ITEM_TAG_UNIT:
412 parser->global.unit = item_udata(item);
413 return 0;
414
415 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
416 parser->global.report_size = item_udata(item);
Marek Vasut23408f92012-08-05 23:57:14 +0200417 if (parser->global.report_size > 128) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100418 hid_err(parser->device, "invalid report_size %d\n",
Jiri Slaby880d29f2008-06-18 23:55:41 +0200419 parser->global.report_size);
420 return -1;
421 }
422 return 0;
423
424 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
425 parser->global.report_count = item_udata(item);
426 if (parser->global.report_count > HID_MAX_USAGES) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100427 hid_err(parser->device, "invalid report_count %d\n",
Jiri Slaby880d29f2008-06-18 23:55:41 +0200428 parser->global.report_count);
429 return -1;
430 }
431 return 0;
432
433 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
434 parser->global.report_id = item_udata(item);
Kees Cook43622022013-08-28 22:29:55 +0200435 if (parser->global.report_id == 0 ||
436 parser->global.report_id >= HID_MAX_IDS) {
437 hid_err(parser->device, "report_id %u is invalid\n",
438 parser->global.report_id);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200439 return -1;
440 }
441 return 0;
442
443 default:
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100444 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200445 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100446 }
447}
448
449/*
450 * Process a local item.
451 */
452
453static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
454{
455 __u32 data;
456 unsigned n;
Benjamin Tissoiresba532192015-07-24 12:02:22 -0400457 __u32 count;
Jiri Kosinadde58452006-12-08 18:40:44 +0100458
Jiri Kosinadde58452006-12-08 18:40:44 +0100459 data = item_udata(item);
460
461 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200462 case HID_LOCAL_ITEM_TAG_DELIMITER:
Jiri Kosinadde58452006-12-08 18:40:44 +0100463
Jiri Slaby880d29f2008-06-18 23:55:41 +0200464 if (data) {
465 /*
466 * We treat items before the first delimiter
467 * as global to all usage sets (branch 0).
468 * In the moment we process only these global
469 * items and the first delimiter set.
470 */
471 if (parser->local.delimiter_depth != 0) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100472 hid_err(parser->device, "nested delimiters\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200473 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100474 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200475 parser->local.delimiter_depth++;
476 parser->local.delimiter_branch++;
477 } else {
478 if (parser->local.delimiter_depth < 1) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100479 hid_err(parser->device, "bogus close delimiter\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200480 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100481 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200482 parser->local.delimiter_depth--;
483 }
Paul Chavent38ead6e2013-07-07 17:43:56 +0200484 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100485
Jiri Slaby880d29f2008-06-18 23:55:41 +0200486 case HID_LOCAL_ITEM_TAG_USAGE:
Jiri Kosinadde58452006-12-08 18:40:44 +0100487
Jiri Slaby880d29f2008-06-18 23:55:41 +0200488 if (parser->local.delimiter_branch > 1) {
489 dbg_hid("alternative usage ignored\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100490 return 0;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200491 }
Jiri Kosinadde58452006-12-08 18:40:44 +0100492
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800493 return hid_add_usage(parser, data, item->size);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200494
495 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
496
497 if (parser->local.delimiter_branch > 1) {
498 dbg_hid("alternative usage ignored\n");
499 return 0;
500 }
501
Jiri Slaby880d29f2008-06-18 23:55:41 +0200502 parser->local.usage_minimum = data;
503 return 0;
504
505 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
506
507 if (parser->local.delimiter_branch > 1) {
508 dbg_hid("alternative usage ignored\n");
509 return 0;
510 }
511
Benjamin Tissoiresba532192015-07-24 12:02:22 -0400512 count = data - parser->local.usage_minimum;
513 if (count + parser->local.usage_index >= HID_MAX_USAGES) {
514 /*
515 * We do not warn if the name is not set, we are
516 * actually pre-scanning the device.
517 */
518 if (dev_name(&parser->device->dev))
519 hid_warn(parser->device,
520 "ignoring exceeding usage max\n");
521 data = HID_MAX_USAGES - parser->local.usage_index +
522 parser->local.usage_minimum - 1;
523 if (data <= 0) {
524 hid_err(parser->device,
525 "no more usage index available\n");
526 return -1;
527 }
528 }
529
Jiri Slaby880d29f2008-06-18 23:55:41 +0200530 for (n = parser->local.usage_minimum; n <= data; n++)
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800531 if (hid_add_usage(parser, n, item->size)) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200532 dbg_hid("hid_add_usage failed\n");
533 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100534 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200535 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100536
Jiri Slaby880d29f2008-06-18 23:55:41 +0200537 default:
Jiri Kosinadde58452006-12-08 18:40:44 +0100538
Jiri Slaby880d29f2008-06-18 23:55:41 +0200539 dbg_hid("unknown local item tag 0x%x\n", item->tag);
540 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100541 }
542 return 0;
543}
544
545/*
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800546 * Concatenate Usage Pages into Usages where relevant:
547 * As per specification, 6.2.2.8: "When the parser encounters a main item it
548 * concatenates the last declared Usage Page with a Usage to form a complete
549 * usage value."
550 */
551
Candle Sun08d5c692019-10-22 22:21:39 +0800552static void hid_concatenate_last_usage_page(struct hid_parser *parser)
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800553{
554 int i;
Candle Sun08d5c692019-10-22 22:21:39 +0800555 unsigned int usage_page;
556 unsigned int current_page;
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800557
Candle Sun08d5c692019-10-22 22:21:39 +0800558 if (!parser->local.usage_index)
559 return;
560
561 usage_page = parser->global.usage_page;
562
563 /*
564 * Concatenate usage page again only if last declared Usage Page
565 * has not been already used in previous usages concatenation
566 */
567 for (i = parser->local.usage_index - 1; i >= 0; i--) {
568 if (parser->local.usage_size[i] > 2)
569 /* Ignore extended usages */
570 continue;
571
572 current_page = parser->local.usage[i] >> 16;
573 if (current_page == usage_page)
574 break;
575
576 complete_usage(parser, i);
577 }
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800578}
579
580/*
Jiri Kosinadde58452006-12-08 18:40:44 +0100581 * Process a main item.
582 */
583
584static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
585{
586 __u32 data;
587 int ret;
588
Candle Sun08d5c692019-10-22 22:21:39 +0800589 hid_concatenate_last_usage_page(parser);
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800590
Jiri Kosinadde58452006-12-08 18:40:44 +0100591 data = item_udata(item);
592
593 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200594 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
595 ret = open_collection(parser, data & 0xff);
596 break;
597 case HID_MAIN_ITEM_TAG_END_COLLECTION:
598 ret = close_collection(parser);
599 break;
600 case HID_MAIN_ITEM_TAG_INPUT:
601 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
602 break;
603 case HID_MAIN_ITEM_TAG_OUTPUT:
604 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
605 break;
606 case HID_MAIN_ITEM_TAG_FEATURE:
607 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
608 break;
609 default:
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100610 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200611 ret = 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100612 }
613
614 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
615
616 return ret;
617}
618
619/*
620 * Process a reserved item.
621 */
622
623static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
624{
Jiri Kosina58037eb2007-05-30 15:07:13 +0200625 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
Jiri Kosinadde58452006-12-08 18:40:44 +0100626 return 0;
627}
628
629/*
630 * Free a report and all registered fields. The field->usage and
631 * field->value table's are allocated behind the field, so we need
632 * only to free(field) itself.
633 */
634
635static void hid_free_report(struct hid_report *report)
636{
637 unsigned n;
638
639 for (n = 0; n < report->maxfield; n++)
640 kfree(report->field[n]);
641 kfree(report);
642}
643
644/*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200645 * Close report. This function returns the device
646 * state to the point prior to hid_open_report().
Jiri Kosinadde58452006-12-08 18:40:44 +0100647 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200648static void hid_close_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +0100649{
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200650 unsigned i, j;
Jiri Kosinadde58452006-12-08 18:40:44 +0100651
652 for (i = 0; i < HID_REPORT_TYPES; i++) {
653 struct hid_report_enum *report_enum = device->report_enum + i;
654
Kees Cook43622022013-08-28 22:29:55 +0200655 for (j = 0; j < HID_MAX_IDS; j++) {
Jiri Kosinadde58452006-12-08 18:40:44 +0100656 struct hid_report *report = report_enum->report_id_hash[j];
657 if (report)
658 hid_free_report(report);
659 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200660 memset(report_enum, 0, sizeof(*report_enum));
661 INIT_LIST_HEAD(&report_enum->report_list);
Jiri Kosinadde58452006-12-08 18:40:44 +0100662 }
663
664 kfree(device->rdesc);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200665 device->rdesc = NULL;
666 device->rsize = 0;
667
Jiri Kosina767fe782007-01-24 23:05:07 +0100668 kfree(device->collection);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200669 device->collection = NULL;
670 device->collection_size = 0;
671 device->maxcollection = 0;
672 device->maxapplication = 0;
673
674 device->status &= ~HID_STAT_PARSED;
675}
676
677/*
678 * Free a device structure, all reports, and all fields.
679 */
680
681static void hid_device_release(struct device *dev)
682{
Geliang Tangee79a8f2015-12-27 17:25:21 +0800683 struct hid_device *hid = to_hid_device(dev);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200684
685 hid_close_report(hid);
686 kfree(hid->dev_rdesc);
687 kfree(hid);
Jiri Kosinadde58452006-12-08 18:40:44 +0100688}
689
690/*
691 * Fetch a report description item from the data stream. We support long
692 * items, though they are not used yet.
693 */
694
695static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
696{
697 u8 b;
698
699 if ((end - start) <= 0)
700 return NULL;
701
702 b = *start++;
703
704 item->type = (b >> 2) & 3;
705 item->tag = (b >> 4) & 15;
706
707 if (item->tag == HID_ITEM_TAG_LONG) {
708
709 item->format = HID_ITEM_FORMAT_LONG;
710
711 if ((end - start) < 2)
712 return NULL;
713
714 item->size = *start++;
715 item->tag = *start++;
716
717 if ((end - start) < item->size)
718 return NULL;
719
720 item->data.longdata = start;
721 start += item->size;
722 return start;
723 }
724
725 item->format = HID_ITEM_FORMAT_SHORT;
726 item->size = b & 3;
727
728 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200729 case 0:
730 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100731
Jiri Slaby880d29f2008-06-18 23:55:41 +0200732 case 1:
733 if ((end - start) < 1)
734 return NULL;
735 item->data.u8 = *start++;
736 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100737
Jiri Slaby880d29f2008-06-18 23:55:41 +0200738 case 2:
739 if ((end - start) < 2)
740 return NULL;
741 item->data.u16 = get_unaligned_le16(start);
742 start = (__u8 *)((__le16 *)start + 1);
743 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100744
Jiri Slaby880d29f2008-06-18 23:55:41 +0200745 case 3:
746 item->size++;
747 if ((end - start) < 4)
748 return NULL;
749 item->data.u32 = get_unaligned_le32(start);
750 start = (__u8 *)((__le32 *)start + 1);
751 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100752 }
753
754 return NULL;
755}
756
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200757static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
Henrik Rydberg734c6602012-04-23 12:07:03 +0200758{
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200759 struct hid_device *hid = parser->device;
760
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200761 if (usage == HID_DG_CONTACTID)
762 hid->group = HID_GROUP_MULTITOUCH;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200763}
764
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200765static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
766{
767 if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
768 parser->global.report_size == 8)
769 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
Blaž Hrastnik6deeb482019-11-06 20:02:46 +0900770
771 if (usage == 0xff0000c6 && parser->global.report_count == 1 &&
772 parser->global.report_size == 8)
773 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200774}
775
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200776static void hid_scan_collection(struct hid_parser *parser, unsigned type)
777{
778 struct hid_device *hid = parser->device;
Andrew Duggane39f2d52014-12-12 10:17:26 -0800779 int i;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200780
781 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
782 type == HID_COLLECTION_PHYSICAL)
783 hid->group = HID_GROUP_SENSOR_HUB;
Alan Wube3b1632014-11-03 18:26:12 -0800784
785 if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
Stephen Just0439de72015-07-22 20:11:40 -0700786 (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3 ||
Donavan Lancec6956eb2015-09-15 12:44:54 -0400787 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2 ||
Stephen Just0439de72015-07-22 20:11:40 -0700788 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP ||
Yuta Kobayashib490a852016-08-12 07:49:17 +0000789 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_PRO_4_JP ||
Raimund Roth18eec2c2015-06-08 11:11:38 +0200790 hid->product == USB_DEVICE_ID_MS_POWER_COVER) &&
Alan Wube3b1632014-11-03 18:26:12 -0800791 hid->group == HID_GROUP_MULTITOUCH)
792 hid->group = HID_GROUP_GENERIC;
Andrew Duggane39f2d52014-12-12 10:17:26 -0800793
794 if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
795 for (i = 0; i < parser->local.usage_index; i++)
796 if (parser->local.usage[i] == HID_GD_POINTER)
797 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
798
799 if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
800 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200801}
802
803static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
804{
805 __u32 data;
806 int i;
807
Candle Sun08d5c692019-10-22 22:21:39 +0800808 hid_concatenate_last_usage_page(parser);
Nicolas Saenz Julienne805d84e2019-12-13 16:27:14 +0800809
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200810 data = item_udata(item);
811
812 switch (item->tag) {
813 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
814 hid_scan_collection(parser, data & 0xff);
815 break;
816 case HID_MAIN_ITEM_TAG_END_COLLECTION:
817 break;
818 case HID_MAIN_ITEM_TAG_INPUT:
Benjamin Tissoirese24d0d32014-03-31 13:27:10 -0400819 /* ignore constant inputs, they will be ignored by hid-input */
820 if (data & HID_MAIN_ITEM_CONSTANT)
821 break;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200822 for (i = 0; i < parser->local.usage_index; i++)
823 hid_scan_input_usage(parser, parser->local.usage[i]);
824 break;
825 case HID_MAIN_ITEM_TAG_OUTPUT:
826 break;
827 case HID_MAIN_ITEM_TAG_FEATURE:
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200828 for (i = 0; i < parser->local.usage_index; i++)
829 hid_scan_feature_usage(parser, parser->local.usage[i]);
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200830 break;
831 }
832
833 /* Reset the local parser environment */
834 memset(&parser->local, 0, sizeof(parser->local));
835
836 return 0;
837}
838
Henrik Rydberg734c6602012-04-23 12:07:03 +0200839/*
840 * Scan a report descriptor before the device is added to the bus.
841 * Sets device groups and other properties that determine what driver
842 * to load.
843 */
844static int hid_scan_report(struct hid_device *hid)
845{
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200846 struct hid_parser *parser;
847 struct hid_item item;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200848 __u8 *start = hid->dev_rdesc;
849 __u8 *end = start + hid->dev_rsize;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200850 static int (*dispatch_type[])(struct hid_parser *parser,
851 struct hid_item *item) = {
852 hid_scan_main,
853 hid_parser_global,
854 hid_parser_local,
855 hid_parser_reserved
856 };
Henrik Rydberg734c6602012-04-23 12:07:03 +0200857
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200858 parser = vzalloc(sizeof(struct hid_parser));
859 if (!parser)
860 return -ENOMEM;
861
862 parser->device = hid;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200863 hid->group = HID_GROUP_GENERIC;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200864
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200865 /*
866 * The parsing is simpler than the one in hid_open_report() as we should
867 * be robust against hid errors. Those errors will be raised by
868 * hid_open_report() anyway.
869 */
870 while ((start = fetch_item(start, end, &item)) != NULL)
871 dispatch_type[item.type](parser, &item);
872
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200873 /*
874 * Handle special flags set during scanning.
875 */
876 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
877 (hid->group == HID_GROUP_MULTITOUCH))
878 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
879
Benjamin Tissoiresba391e52014-05-21 11:15:56 -0400880 /*
Benjamin Tissoires29b47392014-07-24 12:52:23 -0700881 * Vendor specific handlings
882 */
883 switch (hid->vendor) {
884 case USB_VENDOR_ID_WACOM:
885 hid->group = HID_GROUP_WACOM;
886 break;
Benjamin Tissoiresc241c5e2014-09-30 13:18:23 -0400887 case USB_VENDOR_ID_SYNAPTICS:
Andrew Duggane39f2d52014-12-12 10:17:26 -0800888 if (hid->group == HID_GROUP_GENERIC)
889 if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
890 && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
891 /*
892 * hid-rmi should take care of them,
893 * not hid-generic
894 */
895 hid->group = HID_GROUP_RMI;
Benjamin Tissoiresc241c5e2014-09-30 13:18:23 -0400896 break;
Benjamin Tissoires29b47392014-07-24 12:52:23 -0700897 }
898
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200899 vfree(parser);
Henrik Rydberg734c6602012-04-23 12:07:03 +0200900 return 0;
901}
902
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200903/**
904 * hid_parse_report - parse device report
905 *
906 * @device: hid device
907 * @start: report start
908 * @size: report size
909 *
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200910 * Allocate the device report as read by the bus driver. This function should
911 * only be called from parse() in ll drivers.
912 */
913int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
914{
915 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
916 if (!hid->dev_rdesc)
917 return -ENOMEM;
918 hid->dev_rsize = size;
919 return 0;
920}
921EXPORT_SYMBOL_GPL(hid_parse_report);
922
Kees Cook331415f2013-09-11 21:56:50 +0200923static const char * const hid_report_names[] = {
924 "HID_INPUT_REPORT",
925 "HID_OUTPUT_REPORT",
926 "HID_FEATURE_REPORT",
927};
928/**
929 * hid_validate_values - validate existing device report's value indexes
930 *
931 * @device: hid device
932 * @type: which report type to examine
933 * @id: which report ID to examine (0 for first)
934 * @field_index: which report field to examine
935 * @report_counts: expected number of values
936 *
937 * Validate the number of values in a given field of a given report, after
938 * parsing.
939 */
940struct hid_report *hid_validate_values(struct hid_device *hid,
941 unsigned int type, unsigned int id,
942 unsigned int field_index,
943 unsigned int report_counts)
944{
945 struct hid_report *report;
946
947 if (type > HID_FEATURE_REPORT) {
948 hid_err(hid, "invalid HID report type %u\n", type);
949 return NULL;
950 }
951
952 if (id >= HID_MAX_IDS) {
953 hid_err(hid, "invalid HID report id %u\n", id);
954 return NULL;
955 }
956
957 /*
958 * Explicitly not using hid_get_report() here since it depends on
959 * ->numbered being checked, which may not always be the case when
960 * drivers go to access report values.
961 */
Kees Cook1b15d2e2014-04-17 13:22:09 -0700962 if (id == 0) {
963 /*
964 * Validating on id 0 means we should examine the first
965 * report in the list.
966 */
967 report = list_entry(
968 hid->report_enum[type].report_list.next,
969 struct hid_report, list);
970 } else {
971 report = hid->report_enum[type].report_id_hash[id];
972 }
Kees Cook331415f2013-09-11 21:56:50 +0200973 if (!report) {
974 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
975 return NULL;
976 }
977 if (report->maxfield <= field_index) {
978 hid_err(hid, "not enough fields in %s %u\n",
979 hid_report_names[type], id);
980 return NULL;
981 }
982 if (report->field[field_index]->report_count < report_counts) {
983 hid_err(hid, "not enough values in %s %u field %u\n",
984 hid_report_names[type], id, field_index);
985 return NULL;
986 }
987 return report;
988}
989EXPORT_SYMBOL_GPL(hid_validate_values);
990
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200991/**
992 * hid_open_report - open a driver-specific device report
993 *
994 * @device: hid device
995 *
Jiri Kosinadde58452006-12-08 18:40:44 +0100996 * Parse a report description into a hid_device structure. Reports are
997 * enumerated, fields are attached to these reports.
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200998 * 0 returned on success, otherwise nonzero error value.
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200999 *
1000 * This function (or the equivalent hid_parse() macro) should only be
1001 * called from probe() in drivers, before starting the device.
Jiri Kosinadde58452006-12-08 18:40:44 +01001002 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001003int hid_open_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +01001004{
Jiri Kosinadde58452006-12-08 18:40:44 +01001005 struct hid_parser *parser;
1006 struct hid_item item;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001007 unsigned int size;
1008 __u8 *start;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -07001009 __u8 *buf;
Jiri Kosinadde58452006-12-08 18:40:44 +01001010 __u8 *end;
Michał Mirosław3bbf6e72019-08-23 21:15:27 +02001011 __u8 *next;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001012 int ret;
Jiri Kosinadde58452006-12-08 18:40:44 +01001013 static int (*dispatch_type[])(struct hid_parser *parser,
1014 struct hid_item *item) = {
1015 hid_parser_main,
1016 hid_parser_global,
1017 hid_parser_local,
1018 hid_parser_reserved
1019 };
1020
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001021 if (WARN_ON(device->status & HID_STAT_PARSED))
1022 return -EBUSY;
1023
1024 start = device->dev_rdesc;
1025 if (WARN_ON(!start))
1026 return -ENODEV;
1027 size = device->dev_rsize;
1028
Kevin Daughtridge86e6b772012-09-20 12:00:32 -07001029 buf = kmemdup(start, size, GFP_KERNEL);
1030 if (buf == NULL)
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001031 return -ENOMEM;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -07001032
1033 if (device->driver->report_fixup)
1034 start = device->driver->report_fixup(device, buf, &size);
1035 else
1036 start = buf;
1037
1038 start = kmemdup(start, size, GFP_KERNEL);
1039 kfree(buf);
1040 if (start == NULL)
1041 return -ENOMEM;
1042
1043 device->rdesc = start;
Jiri Kosinadde58452006-12-08 18:40:44 +01001044 device->rsize = size;
1045
Joe Perchesfe258022010-12-09 19:29:04 -08001046 parser = vzalloc(sizeof(struct hid_parser));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001047 if (!parser) {
1048 ret = -ENOMEM;
1049 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +01001050 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001051
Jiri Kosinadde58452006-12-08 18:40:44 +01001052 parser->device = device;
1053
1054 end = start + size;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001055
1056 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
1057 sizeof(struct hid_collection), GFP_KERNEL);
1058 if (!device->collection) {
1059 ret = -ENOMEM;
1060 goto err;
1061 }
1062 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
1063
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001064 ret = -EINVAL;
Michał Mirosław3bbf6e72019-08-23 21:15:27 +02001065 while ((next = fetch_item(start, end, &item)) != NULL) {
1066 start = next;
Jiri Kosinadde58452006-12-08 18:40:44 +01001067
1068 if (item.format != HID_ITEM_FORMAT_SHORT) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001069 hid_err(device, "unexpected long global item\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001070 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +01001071 }
1072
1073 if (dispatch_type[item.type](parser, &item)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001074 hid_err(device, "item %u %u %u %u parsing failed\n",
Joe Perches4291ee32010-12-09 19:29:03 -08001075 item.format, (unsigned)item.size,
1076 (unsigned)item.type, (unsigned)item.tag);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001077 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +01001078 }
1079
1080 if (start == end) {
1081 if (parser->collection_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001082 hid_err(device, "unbalanced collection at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001083 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +01001084 }
1085 if (parser->local.delimiter_depth) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001086 hid_err(device, "unbalanced delimiter at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001087 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +01001088 }
Jiri Kosina47a80ed2007-03-12 14:55:12 +01001089 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001090 device->status |= HID_STAT_PARSED;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001091 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +01001092 }
1093 }
1094
Michał Mirosław3bbf6e72019-08-23 21:15:27 +02001095 hid_err(device, "item fetching failed at offset %u/%u\n",
1096 size - (unsigned int)(end - start), size);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001097err:
Jiri Kosina47a80ed2007-03-12 14:55:12 +01001098 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001099 hid_close_report(device);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001100 return ret;
Jiri Kosinadde58452006-12-08 18:40:44 +01001101}
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001102EXPORT_SYMBOL_GPL(hid_open_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001103
1104/*
1105 * Convert a signed n-bit integer to signed 32-bit integer. Common
1106 * cases are done through the compiler, the screwed things has to be
1107 * done by hand.
1108 */
1109
1110static s32 snto32(__u32 value, unsigned n)
1111{
1112 switch (n) {
Jiri Slaby880d29f2008-06-18 23:55:41 +02001113 case 8: return ((__s8)value);
1114 case 16: return ((__s16)value);
1115 case 32: return ((__s32)value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001116 }
1117 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1118}
1119
Benjamin Tissoires77463832012-11-14 16:59:15 +01001120s32 hid_snto32(__u32 value, unsigned n)
1121{
1122 return snto32(value, n);
1123}
1124EXPORT_SYMBOL_GPL(hid_snto32);
1125
Jiri Kosinadde58452006-12-08 18:40:44 +01001126/*
1127 * Convert a signed 32-bit integer to a signed n-bit integer.
1128 */
1129
1130static u32 s32ton(__s32 value, unsigned n)
1131{
1132 s32 a = value >> (n - 1);
1133 if (a && a != -1)
1134 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1135 return value & ((1 << n) - 1);
1136}
1137
1138/*
1139 * Extract/implement a data field from/to a little endian report (bit array).
1140 *
1141 * Code sort-of follows HID spec:
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001142 * http://www.usb.org/developers/hidpage/HID1_11.pdf
Jiri Kosinadde58452006-12-08 18:40:44 +01001143 *
1144 * While the USB HID spec allows unlimited length bit fields in "report
1145 * descriptors", most devices never use more than 16 bits.
1146 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1147 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1148 */
1149
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001150static u32 __extract(u8 *report, unsigned offset, int n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001151{
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001152 unsigned int idx = offset / 8;
1153 unsigned int bit_nr = 0;
1154 unsigned int bit_shift = offset % 8;
1155 int bits_to_copy = 8 - bit_shift;
1156 u32 value = 0;
1157 u32 mask = n < 32 ? (1U << n) - 1 : ~0U;
Jiri Kosinadde58452006-12-08 18:40:44 +01001158
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001159 while (n > 0) {
1160 value |= ((u32)report[idx] >> bit_shift) << bit_nr;
1161 n -= bits_to_copy;
1162 bit_nr += bits_to_copy;
1163 bits_to_copy = 8;
1164 bit_shift = 0;
1165 idx++;
1166 }
1167
1168 return value & mask;
1169}
1170
1171u32 hid_field_extract(const struct hid_device *hid, u8 *report,
1172 unsigned offset, unsigned n)
1173{
1174 if (n > 32) {
Goffredo Baroncelli04fba782015-05-30 11:00:26 +02001175 hid_warn(hid, "hid_field_extract() called with n (%d) > 32! (%s)\n",
Joe Perches4291ee32010-12-09 19:29:03 -08001176 n, current->comm);
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001177 n = 32;
1178 }
Jiri Kosinadde58452006-12-08 18:40:44 +01001179
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001180 return __extract(report, offset, n);
Jiri Kosinadde58452006-12-08 18:40:44 +01001181}
Goffredo Baroncelli04fba782015-05-30 11:00:26 +02001182EXPORT_SYMBOL_GPL(hid_field_extract);
Jiri Kosinadde58452006-12-08 18:40:44 +01001183
1184/*
1185 * "implement" : set bits in a little endian bit stream.
1186 * Same concepts as "extract" (see comments above).
1187 * The data mangled in the bit stream remains in little endian
1188 * order the whole time. It make more sense to talk about
1189 * endianness of register values by considering a register
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001190 * a "cached" copy of the little endian bit stream.
Jiri Kosinadde58452006-12-08 18:40:44 +01001191 */
Jiri Kosinadde58452006-12-08 18:40:44 +01001192
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001193static void __implement(u8 *report, unsigned offset, int n, u32 value)
1194{
1195 unsigned int idx = offset / 8;
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001196 unsigned int bit_shift = offset % 8;
1197 int bits_to_set = 8 - bit_shift;
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001198
1199 while (n - bits_to_set >= 0) {
Dmitry Torokhov95d1c892016-04-06 10:19:58 -07001200 report[idx] &= ~(0xff << bit_shift);
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001201 report[idx] |= value << bit_shift;
1202 value >>= bits_to_set;
1203 n -= bits_to_set;
1204 bits_to_set = 8;
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001205 bit_shift = 0;
1206 idx++;
1207 }
1208
1209 /* last nibble */
1210 if (n) {
Dmitry Torokhov95d1c892016-04-06 10:19:58 -07001211 u8 bit_mask = ((1U << n) - 1);
1212 report[idx] &= ~(bit_mask << bit_shift);
1213 report[idx] |= value << bit_shift;
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001214 }
1215}
1216
1217static void implement(const struct hid_device *hid, u8 *report,
1218 unsigned offset, unsigned n, u32 value)
1219{
Dmitry Torokhov95d1c892016-04-06 10:19:58 -07001220 if (unlikely(n > 32)) {
Joe Perches4291ee32010-12-09 19:29:03 -08001221 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1222 __func__, n, current->comm);
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001223 n = 32;
Dmitry Torokhov95d1c892016-04-06 10:19:58 -07001224 } else if (n < 32) {
1225 u32 m = (1U << n) - 1;
Jiri Kosinadde58452006-12-08 18:40:44 +01001226
Dmitry Torokhov95d1c892016-04-06 10:19:58 -07001227 if (unlikely(value > m)) {
1228 hid_warn(hid,
1229 "%s() called with too large value %d (n: %d)! (%s)\n",
1230 __func__, value, n, current->comm);
1231 WARN_ON(1);
1232 value &= m;
1233 }
1234 }
Jiri Kosinadde58452006-12-08 18:40:44 +01001235
Dmitry Torokhov5137b3542016-01-18 22:40:37 -08001236 __implement(report, offset, n, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001237}
1238
1239/*
1240 * Search an array for a value.
1241 */
1242
Joe Perches16ee4cc2010-12-09 19:29:05 -08001243static int search(__s32 *array, __s32 value, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001244{
1245 while (n--) {
1246 if (*array++ == value)
1247 return 0;
1248 }
1249 return -1;
1250}
1251
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001252/**
1253 * hid_match_report - check if driver's raw_event should be called
1254 *
1255 * @hid: hid device
1256 * @report_type: type to match against
1257 *
1258 * compare hid->driver->report_table->report_type to report->type
1259 */
1260static int hid_match_report(struct hid_device *hid, struct hid_report *report)
Jiri Kosinadde58452006-12-08 18:40:44 +01001261{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001262 const struct hid_report_id *id = hid->driver->report_table;
1263
1264 if (!id) /* NULL means all */
1265 return 1;
1266
1267 for (; id->report_type != HID_TERMINATOR; id++)
1268 if (id->report_type == HID_ANY_ID ||
1269 id->report_type == report->type)
1270 return 1;
1271 return 0;
1272}
1273
1274/**
1275 * hid_match_usage - check if driver's event should be called
1276 *
1277 * @hid: hid device
1278 * @usage: usage to match against
1279 *
1280 * compare hid->driver->usage_table->usage_{type,code} to
1281 * usage->usage_{type,code}
1282 */
1283static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1284{
1285 const struct hid_usage_id *id = hid->driver->usage_table;
1286
1287 if (!id) /* NULL means all */
1288 return 1;
1289
1290 for (; id->usage_type != HID_ANY_ID - 1; id++)
1291 if ((id->usage_hid == HID_ANY_ID ||
1292 id->usage_hid == usage->hid) &&
1293 (id->usage_type == HID_ANY_ID ||
1294 id->usage_type == usage->type) &&
1295 (id->usage_code == HID_ANY_ID ||
1296 id->usage_code == usage->code))
1297 return 1;
1298 return 0;
1299}
1300
1301static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1302 struct hid_usage *usage, __s32 value, int interrupt)
1303{
1304 struct hid_driver *hdrv = hid->driver;
1305 int ret;
1306
Henrik Rydberg9bfc8da2012-09-01 21:47:11 +02001307 if (!list_empty(&hid->debug_list))
1308 hid_dump_input(hid, usage, value);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001309
1310 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1311 ret = hdrv->event(hid, field, usage, value);
1312 if (ret != 0) {
1313 if (ret < 0)
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001314 hid_err(hid, "%s's event failed with %d\n",
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001315 hdrv->name, ret);
1316 return;
1317 }
1318 }
1319
Jiri Kosinadde58452006-12-08 18:40:44 +01001320 if (hid->claimed & HID_CLAIMED_INPUT)
1321 hidinput_hid_event(hid, field, usage, value);
Jiri Kosinaaa938f72006-12-08 18:41:10 +01001322 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1323 hid->hiddev_hid_event(hid, field, usage, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001324}
1325
1326/*
1327 * Analyse a received field, and fetch the data from it. The field
1328 * content is stored for next report processing (we do differential
1329 * reporting to the layer).
1330 */
1331
Adrian Bunkabdff0f2008-03-31 01:53:56 +02001332static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1333 __u8 *data, int interrupt)
Jiri Kosinadde58452006-12-08 18:40:44 +01001334{
1335 unsigned n;
1336 unsigned count = field->report_count;
1337 unsigned offset = field->report_offset;
1338 unsigned size = field->report_size;
1339 __s32 min = field->logical_minimum;
1340 __s32 max = field->logical_maximum;
1341 __s32 *value;
1342
Joe Perchesa3789a12010-12-09 19:29:07 -08001343 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1344 if (!value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001345 return;
1346
1347 for (n = 0; n < count; n++) {
1348
Joe Perches4291ee32010-12-09 19:29:03 -08001349 value[n] = min < 0 ?
Goffredo Baroncelli04fba782015-05-30 11:00:26 +02001350 snto32(hid_field_extract(hid, data, offset + n * size,
1351 size), size) :
1352 hid_field_extract(hid, data, offset + n * size, size);
Jiri Kosinadde58452006-12-08 18:40:44 +01001353
Joe Perches4291ee32010-12-09 19:29:03 -08001354 /* Ignore report if ErrorRollOver */
1355 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1356 value[n] >= min && value[n] <= max &&
Benjamin Tissoires50220de2016-01-19 12:34:58 +01001357 value[n] - min < field->maxusage &&
Joe Perches4291ee32010-12-09 19:29:03 -08001358 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1359 goto exit;
Jiri Kosinadde58452006-12-08 18:40:44 +01001360 }
1361
1362 for (n = 0; n < count; n++) {
1363
1364 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1365 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1366 continue;
1367 }
1368
1369 if (field->value[n] >= min && field->value[n] <= max
Benjamin Tissoires50220de2016-01-19 12:34:58 +01001370 && field->value[n] - min < field->maxusage
Jiri Kosinadde58452006-12-08 18:40:44 +01001371 && field->usage[field->value[n] - min].hid
1372 && search(value, field->value[n], count))
1373 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1374
1375 if (value[n] >= min && value[n] <= max
Benjamin Tissoires50220de2016-01-19 12:34:58 +01001376 && value[n] - min < field->maxusage
Jiri Kosinadde58452006-12-08 18:40:44 +01001377 && field->usage[value[n] - min].hid
1378 && search(field->value, value[n], count))
1379 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1380 }
1381
1382 memcpy(field->value, value, count * sizeof(__s32));
1383exit:
1384 kfree(value);
1385}
Jiri Kosinadde58452006-12-08 18:40:44 +01001386
1387/*
1388 * Output the field into the report.
1389 */
1390
Joe Perches4291ee32010-12-09 19:29:03 -08001391static void hid_output_field(const struct hid_device *hid,
1392 struct hid_field *field, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001393{
1394 unsigned count = field->report_count;
1395 unsigned offset = field->report_offset;
1396 unsigned size = field->report_size;
1397 unsigned n;
1398
1399 for (n = 0; n < count; n++) {
1400 if (field->logical_minimum < 0) /* signed values */
Joe Perches4291ee32010-12-09 19:29:03 -08001401 implement(hid, data, offset + n * size, size,
1402 s32ton(field->value[n], size));
Jiri Kosinadde58452006-12-08 18:40:44 +01001403 else /* unsigned values */
Joe Perches4291ee32010-12-09 19:29:03 -08001404 implement(hid, data, offset + n * size, size,
1405 field->value[n]);
Jiri Kosinadde58452006-12-08 18:40:44 +01001406 }
1407}
1408
1409/*
Marc Zyngierf81a2652020-08-29 12:26:01 +01001410 * Compute the size of a report.
1411 */
1412static size_t hid_compute_report_size(struct hid_report *report)
1413{
1414 if (report->size)
1415 return ((report->size - 1) >> 3) + 1;
1416
1417 return 0;
1418}
1419
1420/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001421 * Create a report. 'data' has to be allocated using
1422 * hid_alloc_report_buf() so that it has proper size.
Jiri Kosinadde58452006-12-08 18:40:44 +01001423 */
1424
Jiri Kosina229695e2006-12-08 18:40:53 +01001425void hid_output_report(struct hid_report *report, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001426{
1427 unsigned n;
1428
1429 if (report->id > 0)
1430 *data++ = report->id;
1431
Marc Zyngierf81a2652020-08-29 12:26:01 +01001432 memset(data, 0, hid_compute_report_size(report));
Jiri Kosinadde58452006-12-08 18:40:44 +01001433 for (n = 0; n < report->maxfield; n++)
Joe Perches4291ee32010-12-09 19:29:03 -08001434 hid_output_field(report->device, report->field[n], data);
Jiri Kosinadde58452006-12-08 18:40:44 +01001435}
Jiri Kosina229695e2006-12-08 18:40:53 +01001436EXPORT_SYMBOL_GPL(hid_output_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001437
1438/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001439 * Allocator for buffer that is going to be passed to hid_output_report()
1440 */
1441u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1442{
1443 /*
1444 * 7 extra bytes are necessary to achieve proper functionality
1445 * of implement() working on 8 byte chunks
1446 */
1447
Aaron Ma4b43f412018-01-08 10:41:41 +08001448 u32 len = hid_report_len(report) + 7;
Jiri Kosina27ce4052013-07-10 19:56:27 +02001449
1450 return kmalloc(len, flags);
1451}
1452EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1453
1454/*
Jiri Kosinadde58452006-12-08 18:40:44 +01001455 * Set a field value. The report this field belongs to has to be
1456 * created and transferred to the device, to set this value in the
1457 * device.
1458 */
1459
1460int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1461{
Kees Cookbe67b682013-08-28 22:32:01 +02001462 unsigned size;
1463
1464 if (!field)
1465 return -1;
1466
1467 size = field->report_size;
Jiri Kosinadde58452006-12-08 18:40:44 +01001468
Jiri Kosinacd667ce2009-06-12 15:20:57 +02001469 hid_dump_input(field->report->device, field->usage + offset, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001470
1471 if (offset >= field->report_count) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001472 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1473 offset, field->report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +01001474 return -1;
1475 }
1476 if (field->logical_minimum < 0) {
1477 if (value != snto32(s32ton(value, size), size)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001478 hid_err(field->report->device, "value %d is out of range\n", value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001479 return -1;
1480 }
1481 }
1482 field->value[offset] = value;
1483 return 0;
1484}
Jiri Kosina229695e2006-12-08 18:40:53 +01001485EXPORT_SYMBOL_GPL(hid_set_field);
Jiri Kosinadde58452006-12-08 18:40:44 +01001486
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001487static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1488 const u8 *data)
1489{
1490 struct hid_report *report;
1491 unsigned int n = 0; /* Normally report number is 0 */
1492
1493 /* Device uses numbered reports, data[0] is report number */
1494 if (report_enum->numbered)
1495 n = *data;
1496
1497 report = report_enum->report_id_hash[n];
1498 if (report == NULL)
1499 dbg_hid("undefined report_id %u received\n", n);
1500
1501 return report;
1502}
1503
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001504/*
1505 * Implement a generic .request() callback, using .raw_request()
1506 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1507 */
1508void __hid_request(struct hid_device *hid, struct hid_report *report,
1509 int reqtype)
1510{
1511 char *buf;
1512 int ret;
Aaron Ma4b43f412018-01-08 10:41:41 +08001513 u32 len;
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001514
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001515 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1516 if (!buf)
1517 return;
1518
1519 len = hid_report_len(report);
1520
1521 if (reqtype == HID_REQ_SET_REPORT)
1522 hid_output_report(report, buf);
1523
1524 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1525 report->type, reqtype);
1526 if (ret < 0) {
1527 dbg_hid("unable to complete request: %d\n", ret);
1528 goto out;
1529 }
1530
1531 if (reqtype == HID_REQ_GET_REPORT)
1532 hid_input_report(hid, report->type, buf, ret, 0);
1533
1534out:
1535 kfree(buf);
1536}
1537EXPORT_SYMBOL_GPL(__hid_request);
1538
Aaron Ma4b43f412018-01-08 10:41:41 +08001539int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001540 int interrupt)
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001541{
1542 struct hid_report_enum *report_enum = hid->report_enum + type;
1543 struct hid_report *report;
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001544 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001545 unsigned int a;
Aaron Ma4b43f412018-01-08 10:41:41 +08001546 u32 rsize, csize = size;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001547 u8 *cdata = data;
Jiri Kosinab6787242012-04-27 00:56:08 +02001548 int ret = 0;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001549
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001550 report = hid_get_report(report_enum, data);
1551 if (!report)
Jiri Kosinab6787242012-04-27 00:56:08 +02001552 goto out;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001553
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001554 if (report_enum->numbered) {
1555 cdata++;
1556 csize--;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001557 }
1558
Marc Zyngierf81a2652020-08-29 12:26:01 +01001559 rsize = hid_compute_report_size(report);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001560
Johan Korsnese63e7ef2020-01-17 13:08:35 +01001561 if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE)
1562 rsize = HID_MAX_BUFFER_SIZE - 1;
1563 else if (rsize > HID_MAX_BUFFER_SIZE)
Armando Visconti966922f2011-05-19 21:41:22 +02001564 rsize = HID_MAX_BUFFER_SIZE;
1565
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001566 if (csize < rsize) {
1567 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1568 csize, rsize);
1569 memset(cdata + csize, 0, rsize - csize);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001570 }
1571
1572 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1573 hid->hiddev_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001574 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1575 ret = hidraw_report_event(hid, data, size);
1576 if (ret)
1577 goto out;
1578 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001579
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +02001580 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001581 for (a = 0; a < report->maxfield; a++)
1582 hid_input_field(hid, report->field[a], cdata, interrupt);
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001583 hdrv = hid->driver;
1584 if (hdrv && hdrv->report)
1585 hdrv->report(hid, report);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001586 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001587
1588 if (hid->claimed & HID_CLAIMED_INPUT)
1589 hidinput_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001590out:
1591 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001592}
1593EXPORT_SYMBOL_GPL(hid_report_raw_event);
1594
1595/**
1596 * hid_input_report - report data from lower layer (usb, bt...)
1597 *
1598 * @hid: hid device
1599 * @type: HID report type (HID_*_REPORT)
1600 * @data: report contents
1601 * @size: size of data parameter
Jiri Kosinaff9b00a2009-10-01 16:03:13 +02001602 * @interrupt: distinguish between interrupt and control transfers
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001603 *
1604 * This is data entry for lower layers.
1605 */
Aaron Ma4b43f412018-01-08 10:41:41 +08001606int hid_input_report(struct hid_device *hid, int type, u8 *data, u32 size, int interrupt)
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001607{
Julia Lawall76c317d2009-07-19 17:26:13 +02001608 struct hid_report_enum *report_enum;
1609 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001610 struct hid_report *report;
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001611 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001612
David Herrmann4ea54542011-08-10 14:02:07 +02001613 if (!hid)
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001614 return -ENODEV;
David Herrmann4ea54542011-08-10 14:02:07 +02001615
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001616 if (down_trylock(&hid->driver_input_lock))
David Herrmann4ea54542011-08-10 14:02:07 +02001617 return -EBUSY;
1618
1619 if (!hid->driver) {
1620 ret = -ENODEV;
1621 goto unlock;
1622 }
Julia Lawall76c317d2009-07-19 17:26:13 +02001623 report_enum = hid->report_enum + type;
1624 hdrv = hid->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001625
1626 if (!size) {
1627 dbg_hid("empty report\n");
David Herrmann4ea54542011-08-10 14:02:07 +02001628 ret = -1;
1629 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001630 }
1631
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001632 /* Avoid unnecessary overhead if debugfs is disabled */
Benjamin Tissoiresa5f04b92013-04-17 19:38:13 +02001633 if (!list_empty(&hid->debug_list))
1634 hid_dump_report(hid, type, data, size);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001635
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001636 report = hid_get_report(report_enum, data);
1637
David Herrmann4ea54542011-08-10 14:02:07 +02001638 if (!report) {
1639 ret = -1;
1640 goto unlock;
1641 }
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001642
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001643 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1644 ret = hdrv->raw_event(hid, report, data, size);
Felix Rueegg556483e2013-10-08 19:33:47 +02001645 if (ret < 0)
David Herrmann4ea54542011-08-10 14:02:07 +02001646 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001647 }
1648
Jiri Kosinab6787242012-04-27 00:56:08 +02001649 ret = hid_report_raw_event(hid, type, data, size, interrupt);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001650
David Herrmann4ea54542011-08-10 14:02:07 +02001651unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001652 up(&hid->driver_input_lock);
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001653 return ret;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001654}
1655EXPORT_SYMBOL_GPL(hid_input_report);
1656
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001657static bool hid_match_one_id(struct hid_device *hdev,
1658 const struct hid_device_id *id)
1659{
Henrik Rydberg7431fb72012-04-23 12:07:04 +02001660 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
Henrik Rydberg4d53b802012-04-23 12:07:02 +02001661 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001662 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1663 (id->product == HID_ANY_ID || id->product == hdev->product);
1664}
1665
Jeremy Fitzhardingebbc21cf2011-12-02 11:12:36 -08001666const struct hid_device_id *hid_match_id(struct hid_device *hdev,
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001667 const struct hid_device_id *id)
1668{
1669 for (; id->bus; id++)
1670 if (hid_match_one_id(hdev, id))
1671 return id;
1672
1673 return NULL;
1674}
1675
1676static const struct hid_device_id hid_hiddev_list[] = {
Richard Hughesc0bd6a42008-08-27 11:19:37 +02001677 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1678 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001679 { }
1680};
1681
1682static bool hid_hiddev(struct hid_device *hdev)
1683{
1684 return !!hid_match_id(hdev, hid_hiddev_list);
1685}
1686
Alan Ott6d3bfb72011-01-23 22:50:18 -05001687
1688static ssize_t
1689read_report_descriptor(struct file *filp, struct kobject *kobj,
1690 struct bin_attribute *attr,
1691 char *buf, loff_t off, size_t count)
1692{
Geliang Tang2cf83832015-12-27 17:25:24 +08001693 struct device *dev = kobj_to_dev(kobj);
Geliang Tangee79a8f2015-12-27 17:25:21 +08001694 struct hid_device *hdev = to_hid_device(dev);
Alan Ott6d3bfb72011-01-23 22:50:18 -05001695
1696 if (off >= hdev->rsize)
1697 return 0;
1698
1699 if (off + count > hdev->rsize)
1700 count = hdev->rsize - off;
1701
1702 memcpy(buf, hdev->rdesc + off, count);
1703
1704 return count;
1705}
1706
Olivier Gaya8774172015-02-17 14:00:03 +01001707static ssize_t
1708show_country(struct device *dev, struct device_attribute *attr,
1709 char *buf)
1710{
Geliang Tangee79a8f2015-12-27 17:25:21 +08001711 struct hid_device *hdev = to_hid_device(dev);
Olivier Gaya8774172015-02-17 14:00:03 +01001712
1713 return sprintf(buf, "%02x\n", hdev->country & 0xff);
1714}
1715
Alan Ott6d3bfb72011-01-23 22:50:18 -05001716static struct bin_attribute dev_bin_attr_report_desc = {
1717 .attr = { .name = "report_descriptor", .mode = 0444 },
1718 .read = read_report_descriptor,
1719 .size = HID_MAX_DESCRIPTOR_SIZE,
1720};
1721
Olivier Gaya8774172015-02-17 14:00:03 +01001722static struct device_attribute dev_attr_country = {
1723 .attr = { .name = "country", .mode = 0444 },
1724 .show = show_country,
1725};
1726
Jiri Slaby93c10132008-06-27 00:04:24 +02001727int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1728{
1729 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1730 "Joystick", "Gamepad", "Keyboard", "Keypad",
1731 "Multi-Axis Controller"
1732 };
1733 const char *type, *bus;
Richard Purdie79b568b2015-09-18 16:31:33 -07001734 char buf[64] = "";
Jiri Slaby93c10132008-06-27 00:04:24 +02001735 unsigned int i;
1736 int len;
Alan Ott6d3bfb72011-01-23 22:50:18 -05001737 int ret;
Jiri Slaby93c10132008-06-27 00:04:24 +02001738
Bastien Nocerab5e5a372010-04-16 17:19:50 +01001739 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1740 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
Daniel Mack3a343ee2010-07-12 19:28:27 +02001741 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1742 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001743 if (hdev->bus != BUS_USB)
1744 connect_mask &= ~HID_CONNECT_HIDDEV;
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001745 if (hid_hiddev(hdev))
1746 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001747
1748 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1749 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1750 hdev->claimed |= HID_CLAIMED_INPUT;
Benjamin Tissoiresb77c3922011-09-21 16:56:54 +02001751
Jiri Slaby93c10132008-06-27 00:04:24 +02001752 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1753 !hdev->hiddev_connect(hdev,
1754 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1755 hdev->claimed |= HID_CLAIMED_HIDDEV;
1756 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1757 hdev->claimed |= HID_CLAIMED_HIDRAW;
1758
Benjamin Tissoires7704ac92014-09-23 12:08:08 -04001759 if (connect_mask & HID_CONNECT_DRIVER)
1760 hdev->claimed |= HID_CLAIMED_DRIVER;
1761
David Herrmann4bc19f62012-07-20 11:49:09 +02001762 /* Drivers with the ->raw_event callback set are not required to connect
1763 * to any other listener. */
1764 if (!hdev->claimed && !hdev->driver->raw_event) {
1765 hid_err(hdev, "device has no listeners, quitting\n");
Jiri Slaby93c10132008-06-27 00:04:24 +02001766 return -ENODEV;
1767 }
1768
1769 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1770 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1771 hdev->ff_init(hdev);
1772
1773 len = 0;
1774 if (hdev->claimed & HID_CLAIMED_INPUT)
1775 len += sprintf(buf + len, "input");
1776 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1777 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1778 hdev->minor);
1779 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1780 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1781 ((struct hidraw *)hdev->hidraw)->minor);
1782
1783 type = "Device";
1784 for (i = 0; i < hdev->maxcollection; i++) {
1785 struct hid_collection *col = &hdev->collection[i];
1786 if (col->type == HID_COLLECTION_APPLICATION &&
1787 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1788 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1789 type = types[col->usage & 0xffff];
1790 break;
1791 }
1792 }
1793
1794 switch (hdev->bus) {
1795 case BUS_USB:
1796 bus = "USB";
1797 break;
1798 case BUS_BLUETOOTH:
1799 bus = "BLUETOOTH";
1800 break;
Daniel Martin06780722015-09-17 17:02:22 +02001801 case BUS_I2C:
1802 bus = "I2C";
1803 break;
Jiri Slaby93c10132008-06-27 00:04:24 +02001804 default:
1805 bus = "<UNKNOWN>";
1806 }
1807
Olivier Gaya8774172015-02-17 14:00:03 +01001808 ret = device_create_file(&hdev->dev, &dev_attr_country);
1809 if (ret)
1810 hid_warn(hdev,
1811 "can't create sysfs country code attribute err: %d\n", ret);
1812
Joe Perches4291ee32010-12-09 19:29:03 -08001813 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1814 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1815 type, hdev->name, hdev->phys);
Jiri Slaby93c10132008-06-27 00:04:24 +02001816
1817 return 0;
1818}
1819EXPORT_SYMBOL_GPL(hid_connect);
1820
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001821void hid_disconnect(struct hid_device *hdev)
1822{
Olivier Gaya8774172015-02-17 14:00:03 +01001823 device_remove_file(&hdev->dev, &dev_attr_country);
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001824 if (hdev->claimed & HID_CLAIMED_INPUT)
1825 hidinput_disconnect(hdev);
1826 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1827 hdev->hiddev_disconnect(hdev);
1828 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1829 hidraw_disconnect(hdev);
Benjamin Tissoires9c5c6ed2014-11-03 15:33:32 -05001830 hdev->claimed = 0;
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001831}
1832EXPORT_SYMBOL_GPL(hid_disconnect);
1833
Jiri Kosina00315e42012-09-02 09:28:51 +02001834/*
1835 * A list of devices for which there is a specialized driver on HID bus.
1836 *
1837 * Please note that for multitouch devices (driven by hid-multitouch driver),
1838 * there is a proper autodetection and autoloading in place (based on presence
1839 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1840 * as we are doing the right thing in hid_scan_usage().
Alexander Holler83499b52012-12-09 12:44:30 +01001841 *
1842 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1843 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1844 * used as a driver. See hid_scan_report().
Jiri Kosina00315e42012-09-02 09:28:51 +02001845 */
Dmitry Torokhovce06b9d2010-11-28 16:37:14 +01001846static const struct hid_device_id hid_have_special_driver[] = {
Jiri Slaby14a21cd2008-06-23 23:31:09 +02001847 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1848 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
Lech Perczakb7e1b202010-09-16 23:19:33 +02001849 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
Sergei Kolzunc0dbcc32010-07-19 12:13:23 +02001850 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
Tristan Ricee17f5d762013-11-12 19:06:23 +01001851 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
Masaki Ota819d64e2016-06-22 13:11:08 +09001852 { HID_DEVICE(HID_BUS_ANY, HID_GROUP_ANY, USB_VENDOR_ID_ALPS_JP, HID_DEVICE_ID_ALPS_U1_DUAL) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001853 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
Michael Poole128537c2010-02-06 12:24:36 -05001854 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
Chase Douglasa4622302010-08-31 21:56:23 -04001855 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001856 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1857 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1859 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1860 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1862 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1864 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1865 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1866 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
Ryan Finniefef3f572009-03-05 10:18:01 +01001867 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1868 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1869 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001870 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
Hemant Gupta26f9e8b2016-09-28 11:19:03 +05301871 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
1872 USB_DEVICE_ID_APPLE_ALU_ANSI) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001873 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1874 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1877 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
Benjamin Tissoires9a4a5572013-04-17 18:15:15 +02001878 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1879 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1880 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
Jan Scholzee8a1a02008-11-26 15:33:45 +01001883 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1884 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1885 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001886 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1888 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1890 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1891 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Henrik Rydberga96d6ef2008-11-04 20:03:45 +01001892 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1893 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1894 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04001895 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08001901 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1903 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03001904 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Dan Bastone4a4c8792011-07-31 07:40:49 -04001907 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1908 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1909 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
Jiri Kosinaf6f554f2011-08-10 14:12:52 +02001910 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1912 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
Jiri Kosinab3aec7b2011-10-25 09:59:04 +02001913 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1914 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1915 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07001916 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1917 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1918 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07001919 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1920 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1921 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07001922 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1923 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1924 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Henrik Rydberga4a2c542015-07-24 14:45:05 -07001925 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
1926 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
1927 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
Christian Schuerer-Waldheim23aeb612010-01-06 14:49:57 +01001928 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1929 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1930 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
Ben Hutchingsf9af7b92012-12-02 14:38:23 +00001931 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
Andreas Kristad734bc2011-10-28 18:50:39 +02001932 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
Huei-Horng Yobd4a7ce2014-02-06 17:40:34 +08001933 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
Jean-Gabriel Gill-Coutureb5d94272016-07-11 17:41:26 +02001934 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
Natanael Copaf01e8fe2018-10-18 17:04:17 +02001935 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_ANSI) },
1936 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI) },
1937 { HID_BLUETOOTH_DEVICE(BT_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGIC_KEYBOARD_NUMPAD_ANSI) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001938 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1939 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
Yusuke Fujimakib94f7d52016-04-03 23:15:16 +09001940 { HID_I2C_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_NOTEBOOK_KEYBOARD) },
Josenivaldo Benito Junior212da742012-04-10 19:29:04 -03001941 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001942 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
Huang Bofc38a8a62014-11-26 18:21:03 +08001943 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1944 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1945 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
Wayne Thomasbf280622010-04-29 00:45:01 +02001947 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
Jiri Kosinac3dc66d2010-08-30 15:43:25 +02001948 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
Jiri Slaby3b239cd2008-06-24 20:42:25 +02001949 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
Raphaël Doursenaud1ce31b22010-04-08 13:40:52 +02001950 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
Jiri Slabyfcfacfd2008-06-24 22:48:52 +02001951 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
Dennis Küglerb9e4b1e2010-11-23 21:40:09 +01001952 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
Keng-Yu Lin3596bb92012-02-02 10:31:26 +01001953 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
Cyrus Lien2d8767b2012-07-23 17:11:51 +08001954 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
Николай Кудрявцев9a1d78a2015-07-21 13:31:52 +03001955 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_ACER_SWITCH12) },
Clément Vuchener6f781932015-09-30 15:14:20 +02001956 { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_K90) },
Oscar Campos6e2a6942017-03-06 21:02:39 +00001957 { HID_USB_DEVICE(USB_VENDOR_ID_CORSAIR, USB_DEVICE_ID_CORSAIR_SCIMITAR_PRO_RGB) },
Don Prince3a370ca2010-05-12 15:18:59 +02001958 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
David Barksdalee932d812014-02-04 12:42:48 -06001959 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001960 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1961 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
Jiri Kosinae8d0eab2009-12-02 22:54:11 +01001962 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
Lionel Vaux76c9d8f2012-07-22 11:32:20 +02001963 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001964 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
Heiner Kallweitde908652016-07-04 21:45:54 +02001965 { HID_USB_DEVICE(USB_VENDOR_ID_DELCOM, USB_DEVICE_ID_DELCOM_VISUAL_IND) },
Richard Walmsley3f866fb2009-03-04 22:12:04 +13001966 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
Nikolai Kondrashove05eefb2011-01-28 14:50:52 +03001967 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
Heiner Kallweit6c7ad072016-06-17 21:20:46 +02001968 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_WN) },
1969 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, USB_DEVICE_ID_DREAM_CHEEKY_FA) },
Richard Nauber64b386e2010-06-28 18:54:25 +02001970 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
Jiri Slabyd23efc12013-05-07 11:40:58 +02001971 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1972 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
Ignaz Forster04561c52010-11-01 15:13:37 -04001973 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
Jiri Slaby1f243e32008-06-24 21:11:21 +02001974 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001975 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
Jiri Kosina578f3a32008-11-20 15:55:38 +01001976 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
Benjamin Tissoires931830a2015-08-13 11:11:27 -04001977 { HID_USB_DEVICE(USB_VENDOR_ID_GEMBIRD, USB_DEVICE_ID_GEMBIRD_JPD_DUALFORCE2) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001978 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
Lukasz Lubojanski42859e02008-12-11 22:07:59 +01001979 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
Jiri Slaby949f8fe2008-07-24 23:35:13 +02001980 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
Jiri Kosina1e093202008-10-17 11:52:23 +02001981 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
Cory Maccarronec2fd1a42010-05-22 13:00:28 -07001982 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
Anssi Hannulad946e652011-06-27 00:07:31 +03001983 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
Tom Harwoodff9bf5a2012-07-06 08:05:04 -07001984 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
Jiri Kosina40d35972013-05-28 12:18:34 +02001985 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1986 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
Kharlamov Alexey274be3e2014-01-14 16:09:09 +04001987 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
Anders F. U. Kiærf1a49142013-10-21 23:42:22 +02001988 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
Anders F. U. Kiær7da7cbb2013-10-01 19:22:05 +02001989 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
John DeSilva5df4eb02014-09-05 11:13:17 -04001990 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
Nikolai Kondrashove917e982014-07-23 19:31:54 +03001991 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
Daniel Drake881b5d42017-02-17 07:40:52 -06001992 { HID_USB_DEVICE(USB_VENDOR_ID_JESS, USB_DEVICE_ID_JESS_ZEN_AIO_KBD) },
Michael Karcheraaca9cc2013-01-17 11:06:09 +01001993 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
Bastien Nocera4ddfe022012-10-31 12:10:10 +01001994 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
Jiri Kosinafdf93aa2009-03-04 16:09:40 +01001995 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
Jiri Kosina177900e2011-02-17 15:12:45 +01001996 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
Benjamin Tissoires3685c182013-07-02 18:10:09 +02001997 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
Benjamin Tissoires4a2c94c2013-11-20 09:49:41 -05001998 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
Benjamin Tissoires0adb9c22013-07-15 10:12:18 +02001999 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
Jiri Kosina79422742009-03-11 11:43:27 +01002000 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +02002001 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
2002 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
Nikolai Kondrashov102750b82016-09-14 21:38:13 +03002003 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_V2) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +02002004 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
Milan Plzikfeb6faf2015-02-14 09:48:44 +01002005 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_PENSKETCH_M912) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02002006 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
Chris Schlund75b07022011-02-03 16:41:47 +01002007 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
Jamie Lentin94723bf2014-07-23 23:30:45 +01002008#if IS_ENABLED(CONFIG_HID_LENOVO)
Andres Freundaad932e2012-08-30 14:37:14 +02002009 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
Jamie Lentinf3d4ff02014-07-23 23:30:48 +01002010 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
2011 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
Benjamin Tissoires181a8b92015-05-01 16:22:45 -04002012 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPPRODOCK) },
Andres Freundaad932e2012-08-30 14:37:14 +02002013#endif
Jiri Slaby5f22a792008-05-16 11:49:19 +02002014 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
2015 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
2016 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
2017 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
David Dillow5844c1c2012-09-25 23:02:27 +02002018 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
Benjamin Tissoires2f31c522014-09-30 13:18:27 -04002019 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02002020 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
2021 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
2022 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02002023 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
2024 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02002025 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
Grazvydas Ignotas5d743252016-02-13 22:41:51 +02002026 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DUAL_ACTION) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02002027 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
Hendrik Iben2c6118e2010-10-04 15:39:49 +02002028 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02002029 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
2030 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
Simon Wood29fae1c2015-11-02 07:56:52 -07002031 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G29_WHEEL) },
Simon Wood7bfd2922015-11-19 16:42:12 -07002032 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G920_WHEEL) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02002033 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
Jiri Kosinafd30ea82009-06-23 12:11:31 +02002034 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02002035 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
Gary Stein74f292c2010-01-13 00:25:58 +01002036 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02002037 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
2038 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
Elias Vanderstuyftbd043632013-10-07 19:48:12 +03002039 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
Jiri Kosina5623a242011-03-17 00:43:23 +01002040 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
Michal Malýe00ddc92011-09-10 21:28:23 +02002041 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
Christophe Borivant243b7062009-04-17 11:39:39 +02002042 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
Peter Gundermannfdc68072011-05-03 10:15:03 +02002043 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04002044#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
Nestor Lopez Casado534a7b82011-09-15 11:34:49 +02002045 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
2046 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04002047#endif
Simon Wood32c88cb2010-09-22 13:19:42 +02002048 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02002049 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
Jiri Kosina24985cf2009-11-13 10:45:53 +01002050 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
2051 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
Bruno Prémont236db472010-03-30 22:33:50 +02002052 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
2053 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
Heiner Kallweit9d1e0482016-07-04 21:47:52 +02002054 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_LUXAFOR) },
Jiri Kosinab5801692011-07-22 12:11:15 +02002055 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
Slava Bacherikovf9a82c22016-03-11 18:57:24 +02002056 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_KEYBOARD) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02002057 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
2058 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
Adam Jiang89759e22013-04-29 13:27:31 +09002059 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
Jakub Sitnickief567cf2015-02-21 20:51:08 +01002060 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE7K) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02002061 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
2062 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
Jiri Kosinaf3b83d72011-06-13 23:08:18 +03002063 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02002064 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
Hans de Goede3faed1a2014-01-29 17:57:43 +01002065 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
Stephen Just0439de72015-07-22 20:11:40 -07002066 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3) },
Donavan Lancec6956eb2015-09-15 12:44:54 -04002067 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_2) },
Stephen Just0439de72015-07-22 20:11:40 -07002068 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_3_JP) },
Yuta Kobayashib490a852016-08-12 07:49:17 +00002069 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_PRO_4_JP) },
Alistair Leslie-Hughesc847a892016-04-04 20:51:40 +10002070 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_7K) },
2071 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_600) },
2072 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3KV1) },
Raimund Roth18eec2c2015-06-08 11:11:38 +02002073 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_POWER_COVER) },
Jiri Slaby3b8006e2008-06-25 00:07:50 +02002074 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
Janne Kanniainenf471d942014-06-18 19:05:02 +03002075 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
Daniel J. Ogorchockf1aac222019-12-29 19:27:09 -06002076#if IS_ENABLED(CONFIG_HID_NINTENDO)
2077 { HID_USB_DEVICE(USB_VENDOR_ID_NINTENDO,
2078 USB_DEVICE_ID_NINTENDO_PROCON) },
2079 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
2080 USB_DEVICE_ID_NINTENDO_PROCON) },
2081 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
2082 USB_DEVICE_ID_NINTENDO_JOYCONL) },
2083 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO,
2084 USB_DEVICE_ID_NINTENDO_JOYCONR) },
2085#endif
Rafi Rubin94011f92008-11-19 15:54:46 +01002086 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
micki6e328192010-06-19 11:37:29 +03002087 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
2088 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
2089 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
2090 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
2091 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
2092 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
2093 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
2094 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
2095 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
2096 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
2097 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
2098 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
2099 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
2100 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
2101 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
2102 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
2103 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
2104 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
Herton Ronaldo Krzesinski270fdc02011-03-16 14:13:53 -03002105 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
Johnathon Harriscd9ec302010-01-21 14:36:52 +00002106 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
Christian Gmeinerffe51d02014-09-03 10:33:53 +02002107 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
Jiri Slaby1e762532008-06-24 23:46:21 +02002108 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
JD Cole1a3f83f2014-10-31 17:34:42 -07002109 { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
Terry Lambertf6a04602011-10-14 17:18:54 -07002110 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
rbandi127f7ad2018-09-06 16:28:40 -07002111#if IS_ENABLED(CONFIG_HID_QVR)
2112 { HID_USB_DEVICE(USB_VENDOR_ID_QVR5, USB_DEVICE_ID_QVR5) },
rbandi86740332018-10-22 11:20:30 -07002113 { HID_USB_DEVICE(USB_VENDOR_ID_QVR32A, USB_DEVICE_ID_QVR32A) },
rbandi127f7ad2018-09-06 16:28:40 -07002114#endif
Heiner Kallweit6c7ad072016-06-17 21:20:46 +02002115 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02002116#if IS_ENABLED(CONFIG_HID_ROCCAT)
Stefan Achatze68cc6032011-01-06 09:00:34 +01002117 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
Stefan Achatzd41c2a72011-11-24 17:46:24 +01002118 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
Stefan Achatze0788092013-11-08 14:12:00 +01002119 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
2120 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
Stefan Achatz47dbdbff2010-11-26 19:57:42 +00002121 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
Stefan Achatz8936aa32013-03-10 12:32:44 +01002122 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
Stefan Achatza4be0ed2013-08-30 14:10:07 +02002123 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
Stefan Achatze0788092013-11-08 14:12:00 +01002124 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
Stefan Achatz0e70f972011-01-30 13:38:24 +01002125 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
Stefan Achatz4424f612012-10-16 17:40:09 +02002126 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
Stefan Achatzcb7cf3d2010-08-29 12:30:18 +02002127 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
Stefan Achatz3fce2242011-03-23 18:11:36 +01002128 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
Stefan Achatz6f3a1932013-10-28 18:52:07 +01002129 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
2130 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
2131 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
Stefan Achatz6a2a6392012-05-20 22:44:54 +02002132 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02002133#endif
Harald Brinkmann37c492c2014-05-20 20:28:00 +02002134#if IS_ENABLED(CONFIG_HID_SAITEK)
Andreas Hübner1e936742012-02-22 02:10:06 +01002135 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
Darren Saltafe98932015-01-29 13:58:09 +00002136 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7_OLD) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02002137 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
Mayeul Cantan7d3ea5c2016-07-30 13:53:39 +02002138 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT9) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02002139 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
Harald Brinkmann8ffd3412015-09-03 17:49:26 +02002140 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT5) },
Ville Aakko7bb9d642014-11-05 15:13:51 +01002141 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02002142#endif
Jiri Slaby980a3da2008-06-25 22:31:48 +02002143 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
Don Princeb3558502010-05-17 11:42:39 +01002144 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
Jiri Kosinad586dca2011-03-21 13:54:22 +01002145 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
Frank Praznik68a49e52014-11-12 14:52:28 -05002146 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
Colin Leitnerf04d5142013-05-27 23:41:05 +02002147 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
2148 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
Frank Praznik7c886d02015-05-05 20:47:29 -04002149 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
Simon Wooda4afa852015-06-03 09:45:19 -06002150 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_MOTION_CONTROLLER) },
Jiri Kosina35dca5b2011-04-28 15:43:13 +02002151 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
Simon Wood6eabaaa2015-06-17 00:08:51 -06002152 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
Jiri Slaby90231e72008-06-23 21:56:07 +02002153 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
Jiri Slabybd28ce02008-06-25 23:47:04 +02002154 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Bastien Noceraf9ce7c22010-01-20 12:01:53 +00002155 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Frank Praznik0bd88dd2014-01-11 15:12:42 -05002156 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
2157 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
Roderick Colenbranderf5ff43c2016-10-07 12:39:40 -07002158 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
2159 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_2) },
Roderick Colenbrander72386b22016-11-23 14:07:11 -08002160 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER_DONGLE) },
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +02002161 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
Fernando Luis Vázquez Caoc1e0ac12013-05-01 09:26:23 +09002162 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
Scott Moreau74500cc2016-01-13 07:40:42 -07002163 { HID_USB_DEVICE(USB_VENDOR_ID_SINO_LITE, USB_DEVICE_ID_SINO_LITE_CONTROLLER) },
Simon Wood75dbb952013-01-31 08:07:07 -07002164 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02002165 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
Vivien Didelot30ba2fb2013-01-22 12:01:21 -05002166 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02002167 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
2168 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
Ruben Aos Garralda7a84b132009-06-29 09:41:29 +02002169 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
2170 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02002171 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
Markus Rathgeb3ee8f0a2010-03-13 17:29:43 +01002172 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02002173 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
Simon Woodd65c3762010-11-29 17:41:23 +01002174 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
Jiri Kosina740363f2012-03-13 09:36:05 +01002175 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
Jarod Wilson44ea35c2011-10-14 16:57:42 -04002176 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
Forest Wilkinson9b028642015-03-12 23:58:16 -07002177 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_PRO) },
Lev Babievf14f5262009-01-04 00:36:56 +01002178 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
Kees Bakker54001082010-07-13 22:50:51 +02002179 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
Bruno Premont711a6802009-07-13 14:19:58 +02002180 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
Nikolai Kondrashov41fa9232010-08-23 15:09:01 +04002181 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
Nikolai Kondrashovf8a489c2010-08-09 20:44:17 +04002182 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
2183 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
2184 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
Nikolai Kondrashov6be914f2011-07-06 09:23:41 +03002185 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
Nikolai Kondrashovd1257082012-05-14 20:30:38 +03002186 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
Nikolai Kondrashoveb4e4262012-08-26 20:55:08 +03002187 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
Nikolai Kondrashov4b7e7e52016-09-14 21:38:17 +03002188 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_YIYNOVA_TABLET) },
2189 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_81) },
2190 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UGEE_TABLET_45) },
2191 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_DRAWIMAGE_G3) },
Nikolai Kondrashov18e3dfa2016-09-14 21:38:18 +03002192 { HID_USB_DEVICE(USB_VENDOR_ID_UGTIZER, USB_DEVICE_ID_UGTIZER_TABLET_GP0610) },
Rodrigo Rivas Costa9c5ac9d42018-04-16 14:27:02 +02002193 { HID_USB_DEVICE(USB_VENDOR_ID_VALVE, USB_DEVICE_ID_STEAM_CONTROLLER) },
2194 { HID_USB_DEVICE(USB_VENDOR_ID_VALVE, USB_DEVICE_ID_STEAM_CONTROLLER_WIRELESS) },
2195 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_VALVE, USB_DEVICE_ID_STEAM_CONTROLLER_BT) },
Jussi Kivilinnafac733f2009-05-13 11:54:38 +03002196 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
Sean Young42fc04e2012-02-18 12:53:44 +00002197 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
Sean Youngad395cc2011-08-14 20:42:05 +01002198 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
Sean Young1bcc2062011-10-20 21:26:21 +01002199 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
2200 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
2201 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
Sean Young6e5e9a02015-05-06 21:38:42 +01002202 { HID_USB_DEVICE(USB_VENDOR_ID_PLAYDOTCOM, USB_DEVICE_ID_PLAYDOTCOM_EMS_USBII) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04002203 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
Nikolai Kondrashov00e7f962010-09-25 23:16:58 +04002204 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
Nikolai Kondrashov4fdc18d2012-02-06 22:54:20 +02002205 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
Nikolai Kondrashova786e832012-03-06 09:54:24 +02002206 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04002207 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
Nikolai Kondrashov8f1acc32010-08-30 14:06:36 +04002208 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
Nikolai Kondrashovd2ee4dd2012-03-20 16:01:33 +02002209 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
Stefan Kriwanek74bc6952011-05-27 18:40:29 +02002210 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
Olivier Scherlercb2c9e32013-07-27 19:20:02 +02002211 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
Peter Stein347848e2017-02-17 00:00:50 -08002212 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_THT_2P_ARCADE) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02002213 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
2214 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
Don Princea9885c82010-05-14 17:30:59 +01002215 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02002216
Jiri Slaby78a849a682008-06-20 21:26:11 +02002217 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
David Herrmann02fb72a2011-07-05 13:45:09 +02002218 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
David Herrmanna33042f2013-04-02 19:58:35 +02002219 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
Andrew Duggane9287092015-01-08 14:51:35 -08002220 { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
Ben Chenad8ddc52016-01-22 11:59:43 +08002221 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM6533) },
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002222 { }
2223};
2224
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002225struct hid_dynid {
2226 struct list_head list;
2227 struct hid_device_id id;
2228};
2229
2230/**
2231 * store_new_id - add a new HID device ID to this driver and re-probe devices
2232 * @driver: target device driver
2233 * @buf: buffer for scanning device ID data
2234 * @count: input size
2235 *
2236 * Adds a new dynamic hid device ID to this driver,
2237 * and causes the driver to probe for all devices again.
2238 */
2239static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2240 size_t count)
2241{
Geliang Tangba91a962015-12-27 17:25:22 +08002242 struct hid_driver *hdrv = to_hid_driver(drv);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002243 struct hid_dynid *dynid;
2244 __u32 bus, vendor, product;
2245 unsigned long driver_data = 0;
2246 int ret;
2247
2248 ret = sscanf(buf, "%x %x %x %lx",
2249 &bus, &vendor, &product, &driver_data);
2250 if (ret < 3)
2251 return -EINVAL;
2252
2253 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2254 if (!dynid)
2255 return -ENOMEM;
2256
2257 dynid->id.bus = bus;
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002258 dynid->id.group = HID_GROUP_ANY;
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002259 dynid->id.vendor = vendor;
2260 dynid->id.product = product;
2261 dynid->id.driver_data = driver_data;
2262
2263 spin_lock(&hdrv->dyn_lock);
2264 list_add_tail(&dynid->list, &hdrv->dyn_list);
2265 spin_unlock(&hdrv->dyn_lock);
2266
Alan Sterncef9bc52012-01-24 13:34:41 -05002267 ret = driver_attach(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002268
2269 return ret ? : count;
2270}
2271static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2272
2273static void hid_free_dynids(struct hid_driver *hdrv)
2274{
2275 struct hid_dynid *dynid, *n;
2276
2277 spin_lock(&hdrv->dyn_lock);
2278 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2279 list_del(&dynid->list);
2280 kfree(dynid);
2281 }
2282 spin_unlock(&hdrv->dyn_lock);
2283}
2284
2285static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2286 struct hid_driver *hdrv)
2287{
2288 struct hid_dynid *dynid;
2289
2290 spin_lock(&hdrv->dyn_lock);
2291 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2292 if (hid_match_one_id(hdev, &dynid->id)) {
2293 spin_unlock(&hdrv->dyn_lock);
2294 return &dynid->id;
2295 }
2296 }
2297 spin_unlock(&hdrv->dyn_lock);
2298
2299 return hid_match_id(hdev, hdrv->id_table);
2300}
2301
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002302static int hid_bus_match(struct device *dev, struct device_driver *drv)
2303{
Geliang Tangba91a962015-12-27 17:25:22 +08002304 struct hid_driver *hdrv = to_hid_driver(drv);
Geliang Tangee79a8f2015-12-27 17:25:21 +08002305 struct hid_device *hdev = to_hid_device(dev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002306
Henrik Rydberg070748e2012-04-23 12:07:05 +02002307 return hid_match_device(hdev, hdrv) != NULL;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002308}
2309
2310static int hid_device_probe(struct device *dev)
2311{
Geliang Tangba91a962015-12-27 17:25:22 +08002312 struct hid_driver *hdrv = to_hid_driver(dev->driver);
Geliang Tangee79a8f2015-12-27 17:25:21 +08002313 struct hid_device *hdev = to_hid_device(dev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002314 const struct hid_device_id *id;
2315 int ret = 0;
2316
David Herrmann4ea54542011-08-10 14:02:07 +02002317 if (down_interruptible(&hdev->driver_lock))
2318 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002319 if (down_interruptible(&hdev->driver_input_lock)) {
2320 ret = -EINTR;
2321 goto unlock_driver_lock;
2322 }
2323 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002324
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002325 if (!hdev->driver) {
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002326 id = hid_match_device(hdev, hdrv);
Dan Carpenterba623a72011-08-24 14:27:46 +03002327 if (id == NULL) {
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02002328 ret = -ENODEV;
2329 goto unlock;
Dan Carpenterba623a72011-08-24 14:27:46 +03002330 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002331
Jiri Slabyc500c972008-05-16 11:49:16 +02002332 hdev->driver = hdrv;
2333 if (hdrv->probe) {
2334 ret = hdrv->probe(hdev, id);
2335 } else { /* default probe */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002336 ret = hid_open_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002337 if (!ret)
Jiri Slaby93c10132008-06-27 00:04:24 +02002338 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002339 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002340 if (ret) {
2341 hid_close_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002342 hdev->driver = NULL;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002343 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002344 }
Dan Carpenterba623a72011-08-24 14:27:46 +03002345unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002346 if (!hdev->io_started)
2347 up(&hdev->driver_input_lock);
2348unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002349 up(&hdev->driver_lock);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002350 return ret;
2351}
2352
2353static int hid_device_remove(struct device *dev)
2354{
Geliang Tangee79a8f2015-12-27 17:25:21 +08002355 struct hid_device *hdev = to_hid_device(dev);
David Herrmann4ea54542011-08-10 14:02:07 +02002356 struct hid_driver *hdrv;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002357 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002358
David Herrmann4ea54542011-08-10 14:02:07 +02002359 if (down_interruptible(&hdev->driver_lock))
2360 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002361 if (down_interruptible(&hdev->driver_input_lock)) {
2362 ret = -EINTR;
2363 goto unlock_driver_lock;
2364 }
2365 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002366
2367 hdrv = hdev->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002368 if (hdrv) {
2369 if (hdrv->remove)
2370 hdrv->remove(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002371 else /* default remove */
2372 hid_hw_stop(hdev);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002373 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002374 hdev->driver = NULL;
2375 }
2376
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002377 if (!hdev->io_started)
2378 up(&hdev->driver_input_lock);
2379unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002380 up(&hdev->driver_lock);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002381 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002382}
2383
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002384static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2385 char *buf)
2386{
2387 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002388
Rasmus Villemoesdfa0c5f2015-11-14 22:08:08 +01002389 return scnprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2390 hdev->bus, hdev->group, hdev->vendor, hdev->product);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002391}
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002392static DEVICE_ATTR_RO(modalias);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002393
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002394static struct attribute *hid_dev_attrs[] = {
2395 &dev_attr_modalias.attr,
2396 NULL,
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002397};
Andy Lutomirski54f32fd2015-11-19 08:19:31 -08002398static struct bin_attribute *hid_dev_bin_attrs[] = {
2399 &dev_bin_attr_report_desc,
2400 NULL
2401};
2402static const struct attribute_group hid_dev_group = {
2403 .attrs = hid_dev_attrs,
2404 .bin_attrs = hid_dev_bin_attrs,
2405};
2406__ATTRIBUTE_GROUPS(hid_dev);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002407
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002408static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2409{
Geliang Tangee79a8f2015-12-27 17:25:21 +08002410 struct hid_device *hdev = to_hid_device(dev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002411
2412 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2413 hdev->bus, hdev->vendor, hdev->product))
2414 return -ENOMEM;
2415
2416 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2417 return -ENOMEM;
2418
2419 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2420 return -ENOMEM;
2421
2422 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2423 return -ENOMEM;
2424
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002425 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2426 hdev->bus, hdev->group, hdev->vendor, hdev->product))
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002427 return -ENOMEM;
2428
2429 return 0;
2430}
2431
2432static struct bus_type hid_bus_type = {
2433 .name = "hid",
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002434 .dev_groups = hid_dev_groups,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002435 .match = hid_bus_match,
2436 .probe = hid_device_probe,
2437 .remove = hid_device_remove,
2438 .uevent = hid_uevent,
2439};
2440
Jiri Kosinabae7eb32009-01-28 23:06:37 +01002441/* a list of devices that shouldn't be handled by HID core at all */
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002442static const struct hid_device_id hid_ignore_list[] = {
2443 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2444 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2445 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2446 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2447 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2448 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2449 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2450 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2451 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2452 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2453 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2454 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
Stephane Chatty77f720b2010-02-06 15:17:13 +01002455 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2456 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
Alexey Klimov62a56582008-11-13 05:44:50 +03002457 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
Hans de Goede11030182012-05-15 05:12:44 -03002458 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002459 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2460 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2461 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
Dinesh Ramadc23252013-10-15 12:24:41 -03002462 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002463 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2464 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2465 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
Alexey Klimov5f6108c2008-12-08 12:40:14 +01002466 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002467 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2468 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
Benjamin Tissoires6ccfe642015-07-20 09:56:18 -07002469 { HID_I2C_DEVICE(USB_VENDOR_ID_ELAN, 0x0400) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002470 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
Petr Štetiar70c66562009-12-09 22:09:53 +01002471 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
Petr Štetiardf506f22010-06-28 09:38:54 -07002472 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
Benjamin Tissoiresb1807712011-11-16 11:39:52 +01002473 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002474 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002475 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002476 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2477 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2478 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2479 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2480 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2481 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
Hans de Goede8e2ce732012-05-21 15:24:50 -03002482 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002483 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2484 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2485 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2486 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2487 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2488 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2489 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2490 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2491 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2492 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2493 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2494 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2495 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2496 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2497 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2498 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2499 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2500 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2501 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2502 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2503 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2504 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2505 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2506 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2507 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2508 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2509 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2510 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2511 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2512 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2513 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2514 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2515 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2516 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2517 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2518 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2519 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2520 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2521 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2522 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2523 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2524 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2525 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2526 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2527 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2528 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2529 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
Vincent Palatin31b97792013-05-22 14:39:50 -07002530 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2531 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
Patrick Plattes43c1a0a2014-07-05 08:58:06 +02002532 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002533 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
Alexey Klimovc91c21c2008-11-13 10:36:11 +01002534 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002535 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
Lamarque Vieira Souzaeb8141c2009-10-02 15:04:44 +02002536 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002537 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002538 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002539 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002540 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002541 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002542 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2543 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2544 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2545 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2546 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2547 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
Karsten Koopf04280f2018-02-09 09:12:06 +00002548 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERANALYSERCASSY) },
2549 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CONVERTERCONTROLLERCASSY) },
2550 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETESTCASSY) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002551 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2552 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2553 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
Michael Hundce97cac2011-05-03 10:12:00 -07002554 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2555 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2556 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002557 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2558 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
Michael Hundce97cac2011-05-03 10:12:00 -07002559 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002560 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2561 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2562 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2563 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2564 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
Michael Hundce97cac2011-05-03 10:12:00 -07002565 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2566 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2567 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2568 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2569 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2570 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2571 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
Yuri Khan3ffb62c2012-07-11 00:49:18 -07002572 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002573 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2574 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002575 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2576 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
Kristian Evensena8c83162015-01-20 17:55:03 +01002577 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
Kristian Evensen84f6ea12016-01-06 15:08:53 +01002578 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454_V2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002579 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2580 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2581 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2582 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2583 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2584 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2585 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2586 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2587 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2588 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2589 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2590 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2591 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2592 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2593 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
Jiri Kosina3b6f4e22017-01-05 14:25:59 +01002594 { HID_USB_DEVICE(USB_VENDOR_ID_PETZL, USB_DEVICE_ID_PETZL_HEADLAMP) },
Henning Glawe4cfae3e2009-08-02 22:18:12 +02002595 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
Michael Tokarev35cfd1d2009-02-01 16:11:04 +01002596 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
Javier Martinez Canillas20d11302016-07-21 11:25:54 -04002597#if IS_ENABLED(CONFIG_MOUSE_SYNAPTICS_USB)
Jan Steinhoff8491ee12012-02-03 00:21:31 -08002598 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2599 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2600 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2601 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2602 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2603 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2604 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2605 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2606#endif
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002607 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
2608 { }
2609};
2610
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002611/**
2612 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2613 *
2614 * There are composite devices for which we want to ignore only a certain
2615 * interface. This is a list of devices for which only the mouse interface will
2616 * be ignored. This allows a dedicated driver to take care of the interface.
2617 */
2618static const struct hid_device_id hid_mouse_ignore_list[] = {
2619 /* appletouch driver */
2620 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2621 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2622 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2623 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2624 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2625 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2626 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2627 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2628 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2629 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2630 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2631 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2632 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2633 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2634 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2635 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2636 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2637 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2638 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2639 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Jiri Kosinaac26fca2008-11-20 11:27:02 +01002640 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2641 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2642 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04002643 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2644 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2645 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2646 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2647 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2648 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08002649 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2650 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2651 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03002652 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2653 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2654 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Jiri Kosina4b086912011-10-04 14:01:12 +02002655 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2656 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2657 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2658 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2659 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2660 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07002661 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2662 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2663 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07002664 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2665 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2666 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07002667 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2668 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2669 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Henrik Rydberga4a2c542015-07-24 14:45:05 -07002670 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ANSI) },
2671 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_ISO) },
2672 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING9_JIS) },
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002673 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2674 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2675 { }
2676};
2677
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002678bool hid_ignore(struct hid_device *hdev)
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002679{
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002680 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2681 return false;
2682 if (hdev->quirks & HID_QUIRK_IGNORE)
2683 return true;
2684
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002685 switch (hdev->vendor) {
2686 case USB_VENDOR_ID_CODEMERCS:
2687 /* ignore all Code Mercenaries IOWarrior devices */
2688 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2689 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2690 return true;
2691 break;
2692 case USB_VENDOR_ID_LOGITECH:
2693 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2694 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2695 return true;
Hans Verkuil65dd3b62012-01-13 11:15:22 -03002696 /*
2697 * The Keene FM transmitter USB device has the same USB ID as
2698 * the Logitech AudioHub Speaker, but it should ignore the hid.
2699 * Check if the name is that of the Keene device.
2700 * For reference: the name of the AudioHub is
2701 * "HOLTEK AudioHub Speaker".
2702 */
2703 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2704 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2705 return true;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002706 break;
Jarod Wilson31f7fd72009-07-31 10:56:36 -04002707 case USB_VENDOR_ID_SOUNDGRAPH:
2708 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2709 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2710 return true;
2711 break;
Xing Weibba53942010-09-01 23:25:35 -07002712 case USB_VENDOR_ID_HANWANG:
2713 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2714 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2715 return true;
2716 break;
Tomoki Sekiyama6dc14182011-05-23 15:45:44 -07002717 case USB_VENDOR_ID_JESS:
2718 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2719 hdev->type == HID_TYPE_USBNONE)
2720 return true;
Forest Bond729b8142012-11-06 13:41:22 -05002721 break;
Ian Abbott30b6b7d82013-02-13 13:22:45 +00002722 case USB_VENDOR_ID_VELLEMAN:
2723 /* These are not HID devices. They are handled by comedi. */
2724 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2725 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2726 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2727 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2728 return true;
2729 break;
Alexey Klimov5b4617d2013-03-28 00:07:29 +04002730 case USB_VENDOR_ID_ATMEL_V_USB:
2731 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2732 * it has the same USB ID as many Atmel V-USB devices. This
2733 * usb radio is handled by radio-ma901.c driver so we want
2734 * ignore the hid. Check the name, bus, product and ignore
2735 * if we have MA901 usb radio.
2736 */
2737 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2738 hdev->bus == BUS_USB &&
2739 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2740 return true;
2741 break;
Hans de Goededf9658e2018-01-17 21:05:55 +01002742 case USB_VENDOR_ID_ELAN:
2743 /*
2744 * Many Elan devices have a product id of 0x0401 and are handled
2745 * by the elan_i2c input driver. But the ACPI HID ELAN0800 dev
2746 * is not (and cannot be) handled by that driver ->
2747 * Ignore all 0x0401 devs except for the ELAN0800 dev.
2748 */
2749 if (hdev->product == 0x0401 &&
2750 strncmp(hdev->name, "ELAN0800", 8) != 0)
2751 return true;
2752 break;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002753 }
2754
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002755 if (hdev->type == HID_TYPE_USBMOUSE &&
2756 hid_match_id(hdev, hid_mouse_ignore_list))
2757 return true;
2758
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002759 return !!hid_match_id(hdev, hid_ignore_list);
2760}
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002761EXPORT_SYMBOL_GPL(hid_ignore);
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002762
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002763int hid_add_device(struct hid_device *hdev)
2764{
2765 static atomic_t id = ATOMIC_INIT(0);
2766 int ret;
2767
2768 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2769 return -EBUSY;
2770
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002771 /* we need to kill them here, otherwise they will stay allocated to
2772 * wait for coming driver */
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002773 if (hid_ignore(hdev))
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002774 return -ENODEV;
2775
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002776 /*
Benjamin Tissoires3c867262014-02-20 15:24:49 -05002777 * Check for the mandatory transport channel.
2778 */
2779 if (!hdev->ll_driver->raw_request) {
2780 hid_err(hdev, "transport driver missing .raw_request()\n");
2781 return -EINVAL;
2782 }
2783
2784 /*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002785 * Read the device report descriptor once and use as template
2786 * for the driver-specific modifications.
2787 */
2788 ret = hdev->ll_driver->parse(hdev);
2789 if (ret)
2790 return ret;
2791 if (!hdev->dev_rdesc)
2792 return -ENODEV;
2793
Henrik Rydberg734c6602012-04-23 12:07:03 +02002794 /*
2795 * Scan generic devices for group information
2796 */
Benjamin Tissoires4392bf32016-02-12 17:10:37 +01002797 if (hid_ignore_special_drivers) {
2798 hdev->group = HID_GROUP_GENERIC;
2799 } else if (!hdev->group &&
2800 !hid_match_id(hdev, hid_have_special_driver)) {
Henrik Rydberg734c6602012-04-23 12:07:03 +02002801 ret = hid_scan_report(hdev);
2802 if (ret)
2803 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2804 }
2805
Kay Sievers6bbe5862008-10-31 00:12:32 +01002806 /* XXX hack, any other cleaner solution after the driver core
2807 * is converted to allow more than 20 bytes as the device name? */
2808 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2809 hdev->vendor, hdev->product, atomic_inc_return(&id));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002810
Bruno Prémont4da361b2010-03-15 14:55:40 +01002811 hid_debug_register(hdev, dev_name(&hdev->dev));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002812 ret = device_add(&hdev->dev);
2813 if (!ret)
2814 hdev->status |= HID_STAT_ADDED;
Bruno Prémont4da361b2010-03-15 14:55:40 +01002815 else
2816 hid_debug_unregister(hdev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002817
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002818 return ret;
2819}
2820EXPORT_SYMBOL_GPL(hid_add_device);
2821
2822/**
2823 * hid_allocate_device - allocate new hid device descriptor
2824 *
2825 * Allocate and initialize hid device, so that hid_destroy_device might be
2826 * used to free it.
2827 *
2828 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2829 * error value.
2830 */
2831struct hid_device *hid_allocate_device(void)
2832{
2833 struct hid_device *hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002834 int ret = -ENOMEM;
2835
2836 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2837 if (hdev == NULL)
2838 return ERR_PTR(ret);
2839
2840 device_initialize(&hdev->dev);
2841 hdev->dev.release = hid_device_release;
2842 hdev->dev.bus = &hid_bus_type;
Fu, Zhonghui64bebef2015-09-24 14:06:31 +08002843 device_enable_async_suspend(&hdev->dev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002844
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002845 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002846
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002847 init_waitqueue_head(&hdev->debug_wait);
2848 INIT_LIST_HEAD(&hdev->debug_list);
Jiri Kosina1deb9d32013-05-06 13:05:50 +02002849 spin_lock_init(&hdev->debug_list_lock);
David Herrmann4ea54542011-08-10 14:02:07 +02002850 sema_init(&hdev->driver_lock, 1);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002851 sema_init(&hdev->driver_input_lock, 1);
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002852
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002853 return hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002854}
2855EXPORT_SYMBOL_GPL(hid_allocate_device);
2856
2857static void hid_remove_device(struct hid_device *hdev)
2858{
2859 if (hdev->status & HID_STAT_ADDED) {
2860 device_del(&hdev->dev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002861 hid_debug_unregister(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002862 hdev->status &= ~HID_STAT_ADDED;
2863 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002864 kfree(hdev->dev_rdesc);
2865 hdev->dev_rdesc = NULL;
2866 hdev->dev_rsize = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002867}
2868
2869/**
2870 * hid_destroy_device - free previously allocated device
2871 *
2872 * @hdev: hid device
2873 *
2874 * If you allocate hid_device through hid_allocate_device, you should ever
2875 * free by this function.
2876 */
2877void hid_destroy_device(struct hid_device *hdev)
2878{
2879 hid_remove_device(hdev);
2880 put_device(&hdev->dev);
2881}
2882EXPORT_SYMBOL_GPL(hid_destroy_device);
2883
2884int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2885 const char *mod_name)
2886{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002887 int ret;
2888
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002889 hdrv->driver.name = hdrv->name;
2890 hdrv->driver.bus = &hid_bus_type;
2891 hdrv->driver.owner = owner;
2892 hdrv->driver.mod_name = mod_name;
2893
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002894 INIT_LIST_HEAD(&hdrv->dyn_list);
2895 spin_lock_init(&hdrv->dyn_lock);
2896
2897 ret = driver_register(&hdrv->driver);
2898 if (ret)
2899 return ret;
2900
2901 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2902 if (ret)
2903 driver_unregister(&hdrv->driver);
2904
2905 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002906}
2907EXPORT_SYMBOL_GPL(__hid_register_driver);
2908
2909void hid_unregister_driver(struct hid_driver *hdrv)
2910{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002911 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002912 driver_unregister(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002913 hid_free_dynids(hdrv);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002914}
2915EXPORT_SYMBOL_GPL(hid_unregister_driver);
2916
Oliver Neukum0361a282008-12-17 15:38:03 +01002917int hid_check_keys_pressed(struct hid_device *hid)
2918{
2919 struct hid_input *hidinput;
2920 int i;
2921
Jiri Kosinae5288eb2009-05-02 00:02:57 +02002922 if (!(hid->claimed & HID_CLAIMED_INPUT))
2923 return 0;
2924
Oliver Neukum0361a282008-12-17 15:38:03 +01002925 list_for_each_entry(hidinput, &hid->inputs, list) {
2926 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2927 if (hidinput->input->key[i])
2928 return 1;
2929 }
2930
2931 return 0;
2932}
2933
2934EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2935
Jiri Kosina86166b72007-05-14 09:57:40 +02002936static int __init hid_init(void)
2937{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002938 int ret;
2939
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002940 if (hid_debug)
Joe Perches4291ee32010-12-09 19:29:03 -08002941 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2942 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002943
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002944 ret = bus_register(&hid_bus_type);
2945 if (ret) {
Joe Perches4291ee32010-12-09 19:29:03 -08002946 pr_err("can't register hid bus\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002947 goto err;
2948 }
2949
2950 ret = hidraw_init();
2951 if (ret)
2952 goto err_bus;
2953
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002954 hid_debug_init();
2955
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002956 return 0;
2957err_bus:
2958 bus_unregister(&hid_bus_type);
2959err:
2960 return ret;
Jiri Kosina86166b72007-05-14 09:57:40 +02002961}
2962
2963static void __exit hid_exit(void)
2964{
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002965 hid_debug_exit();
Jiri Kosina86166b72007-05-14 09:57:40 +02002966 hidraw_exit();
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002967 bus_unregister(&hid_bus_type);
Jiri Kosina86166b72007-05-14 09:57:40 +02002968}
2969
2970module_init(hid_init);
2971module_exit(hid_exit);
2972
Jiri Kosina88adb722009-10-02 18:29:34 +02002973MODULE_AUTHOR("Andreas Gal");
2974MODULE_AUTHOR("Vojtech Pavlik");
2975MODULE_AUTHOR("Jiri Kosina");
Jiri Kosinaaa938f72006-12-08 18:41:10 +01002976MODULE_LICENSE(DRIVER_LICENSE);
2977