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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
94static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
95{
96 struct hid_field *field;
97
98 if (report->maxfield == HID_MAX_FIELDS) {
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) +
105 values * sizeof(unsigned)), GFP_KERNEL);
106 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/*
200 * Add a usage to the temporary parser table.
201 */
202
203static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204{
205 if (parser->local.usage_index >= HID_MAX_USAGES) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100206 hid_err(parser->device, "usage index exceeded\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100207 return -1;
208 }
209 parser->local.usage[parser->local.usage_index] = usage;
210 parser->local.collection_index[parser->local.usage_index] =
211 parser->collection_stack_ptr ?
212 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213 parser->local.usage_index++;
214 return 0;
215}
216
217/*
218 * Register a new field for this report.
219 */
220
221static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222{
223 struct hid_report *report;
224 struct hid_field *field;
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200225 unsigned usages;
Jiri Kosinadde58452006-12-08 18:40:44 +0100226 unsigned offset;
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200227 unsigned i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100228
Joe Perchesa3789a12010-12-09 19:29:07 -0800229 report = hid_register_report(parser->device, report_type, parser->global.report_id);
230 if (!report) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100231 hid_err(parser->device, "hid_register_report failed\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100232 return -1;
233 }
234
Jiri Kosinabb2e1972012-05-14 15:02:56 +0200235 /* Handle both signed and unsigned cases properly */
srinivas pandruvada0cd516c2012-05-10 16:45:31 -0700236 if ((parser->global.logical_minimum < 0 &&
237 parser->global.logical_maximum <
238 parser->global.logical_minimum) ||
239 (parser->global.logical_minimum >= 0 &&
240 (__u32)parser->global.logical_maximum <
241 (__u32)parser->global.logical_minimum)) {
242 dbg_hid("logical range invalid 0x%x 0x%x\n",
243 parser->global.logical_minimum,
244 parser->global.logical_maximum);
Jiri Kosinadde58452006-12-08 18:40:44 +0100245 return -1;
246 }
247
248 offset = report->size;
249 report->size += parser->global.report_size * parser->global.report_count;
250
251 if (!parser->local.usage_index) /* Ignore padding fields */
252 return 0;
253
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200254 usages = max_t(unsigned, parser->local.usage_index,
255 parser->global.report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +0100256
Joe Perchesa3789a12010-12-09 19:29:07 -0800257 field = hid_register_field(report, usages, parser->global.report_count);
258 if (!field)
Jiri Kosinadde58452006-12-08 18:40:44 +0100259 return 0;
260
261 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264
265 for (i = 0; i < usages; i++) {
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200266 unsigned j = i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100267 /* Duplicate the last usage we parsed if we have excess values */
268 if (i >= parser->local.usage_index)
269 j = parser->local.usage_index - 1;
270 field->usage[i].hid = parser->local.usage[j];
271 field->usage[i].collection_index =
272 parser->local.collection_index[j];
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200273 field->usage[i].usage_index = i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100274 }
275
276 field->maxusage = usages;
277 field->flags = flags;
278 field->report_offset = offset;
279 field->report_type = report_type;
280 field->report_size = parser->global.report_size;
281 field->report_count = parser->global.report_count;
282 field->logical_minimum = parser->global.logical_minimum;
283 field->logical_maximum = parser->global.logical_maximum;
284 field->physical_minimum = parser->global.physical_minimum;
285 field->physical_maximum = parser->global.physical_maximum;
286 field->unit_exponent = parser->global.unit_exponent;
287 field->unit = parser->global.unit;
288
289 return 0;
290}
291
292/*
293 * Read data value from item.
294 */
295
296static u32 item_udata(struct hid_item *item)
297{
298 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200299 case 1: return item->data.u8;
300 case 2: return item->data.u16;
301 case 4: return item->data.u32;
Jiri Kosinadde58452006-12-08 18:40:44 +0100302 }
303 return 0;
304}
305
306static s32 item_sdata(struct hid_item *item)
307{
308 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200309 case 1: return item->data.s8;
310 case 2: return item->data.s16;
311 case 4: return item->data.s32;
Jiri Kosinadde58452006-12-08 18:40:44 +0100312 }
313 return 0;
314}
315
316/*
317 * Process a global item.
318 */
319
320static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321{
Nikolai Kondrashovad0e669b2013-10-13 15:09:52 +0300322 __s32 raw_value;
Jiri Kosinadde58452006-12-08 18:40:44 +0100323 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200324 case HID_GLOBAL_ITEM_TAG_PUSH:
Jiri Kosinadde58452006-12-08 18:40:44 +0100325
Jiri Slaby880d29f2008-06-18 23:55:41 +0200326 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100327 hid_err(parser->device, "global environment stack overflow\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100328 return -1;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200329 }
330
331 memcpy(parser->global_stack + parser->global_stack_ptr++,
332 &parser->global, sizeof(struct hid_global));
333 return 0;
334
335 case HID_GLOBAL_ITEM_TAG_POP:
336
337 if (!parser->global_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100338 hid_err(parser->device, "global environment stack underflow\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200339 return -1;
340 }
341
342 memcpy(&parser->global, parser->global_stack +
343 --parser->global_stack_ptr, sizeof(struct hid_global));
344 return 0;
345
346 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347 parser->global.usage_page = item_udata(item);
348 return 0;
349
350 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351 parser->global.logical_minimum = item_sdata(item);
352 return 0;
353
354 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355 if (parser->global.logical_minimum < 0)
356 parser->global.logical_maximum = item_sdata(item);
357 else
358 parser->global.logical_maximum = item_udata(item);
359 return 0;
360
361 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362 parser->global.physical_minimum = item_sdata(item);
363 return 0;
364
365 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366 if (parser->global.physical_minimum < 0)
367 parser->global.physical_maximum = item_sdata(item);
368 else
369 parser->global.physical_maximum = item_udata(item);
370 return 0;
371
372 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
Nikolai Kondrashovad0e669b2013-10-13 15:09:52 +0300373 /* Many devices provide unit exponent as a two's complement
374 * nibble due to the common misunderstanding of HID
375 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376 * both this and the standard encoding. */
377 raw_value = item_sdata(item);
Benjamin Tissoires77463832012-11-14 16:59:15 +0100378 if (!(raw_value & 0xfffffff0))
379 parser->global.unit_exponent = hid_snto32(raw_value, 4);
380 else
381 parser->global.unit_exponent = raw_value;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200382 return 0;
383
384 case HID_GLOBAL_ITEM_TAG_UNIT:
385 parser->global.unit = item_udata(item);
386 return 0;
387
388 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389 parser->global.report_size = item_udata(item);
Marek Vasut23408f92012-08-05 23:57:14 +0200390 if (parser->global.report_size > 128) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100391 hid_err(parser->device, "invalid report_size %d\n",
Jiri Slaby880d29f2008-06-18 23:55:41 +0200392 parser->global.report_size);
393 return -1;
394 }
395 return 0;
396
397 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398 parser->global.report_count = item_udata(item);
399 if (parser->global.report_count > HID_MAX_USAGES) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100400 hid_err(parser->device, "invalid report_count %d\n",
Jiri Slaby880d29f2008-06-18 23:55:41 +0200401 parser->global.report_count);
402 return -1;
403 }
404 return 0;
405
406 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407 parser->global.report_id = item_udata(item);
Kees Cook43622022013-08-28 22:29:55 +0200408 if (parser->global.report_id == 0 ||
409 parser->global.report_id >= HID_MAX_IDS) {
410 hid_err(parser->device, "report_id %u is invalid\n",
411 parser->global.report_id);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200412 return -1;
413 }
414 return 0;
415
416 default:
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100417 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200418 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100419 }
420}
421
422/*
423 * Process a local item.
424 */
425
426static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427{
428 __u32 data;
429 unsigned n;
430
Jiri Kosinadde58452006-12-08 18:40:44 +0100431 data = item_udata(item);
432
433 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200434 case HID_LOCAL_ITEM_TAG_DELIMITER:
Jiri Kosinadde58452006-12-08 18:40:44 +0100435
Jiri Slaby880d29f2008-06-18 23:55:41 +0200436 if (data) {
437 /*
438 * We treat items before the first delimiter
439 * as global to all usage sets (branch 0).
440 * In the moment we process only these global
441 * items and the first delimiter set.
442 */
443 if (parser->local.delimiter_depth != 0) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100444 hid_err(parser->device, "nested delimiters\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200445 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100446 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200447 parser->local.delimiter_depth++;
448 parser->local.delimiter_branch++;
449 } else {
450 if (parser->local.delimiter_depth < 1) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100451 hid_err(parser->device, "bogus close delimiter\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200452 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100453 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200454 parser->local.delimiter_depth--;
455 }
Paul Chavent38ead6e2013-07-07 17:43:56 +0200456 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100457
Jiri Slaby880d29f2008-06-18 23:55:41 +0200458 case HID_LOCAL_ITEM_TAG_USAGE:
Jiri Kosinadde58452006-12-08 18:40:44 +0100459
Jiri Slaby880d29f2008-06-18 23:55:41 +0200460 if (parser->local.delimiter_branch > 1) {
461 dbg_hid("alternative usage ignored\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100462 return 0;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200463 }
Jiri Kosinadde58452006-12-08 18:40:44 +0100464
Jiri Slaby880d29f2008-06-18 23:55:41 +0200465 if (item->size <= 2)
466 data = (parser->global.usage_page << 16) + data;
Jiri Kosinadde58452006-12-08 18:40:44 +0100467
Jiri Slaby880d29f2008-06-18 23:55:41 +0200468 return hid_add_usage(parser, data);
469
470 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471
472 if (parser->local.delimiter_branch > 1) {
473 dbg_hid("alternative usage ignored\n");
474 return 0;
475 }
476
477 if (item->size <= 2)
478 data = (parser->global.usage_page << 16) + data;
479
480 parser->local.usage_minimum = data;
481 return 0;
482
483 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484
485 if (parser->local.delimiter_branch > 1) {
486 dbg_hid("alternative usage ignored\n");
487 return 0;
488 }
489
490 if (item->size <= 2)
491 data = (parser->global.usage_page << 16) + data;
492
493 for (n = parser->local.usage_minimum; n <= data; n++)
494 if (hid_add_usage(parser, n)) {
495 dbg_hid("hid_add_usage failed\n");
496 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100497 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200498 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100499
Jiri Slaby880d29f2008-06-18 23:55:41 +0200500 default:
Jiri Kosinadde58452006-12-08 18:40:44 +0100501
Jiri Slaby880d29f2008-06-18 23:55:41 +0200502 dbg_hid("unknown local item tag 0x%x\n", item->tag);
503 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100504 }
505 return 0;
506}
507
508/*
509 * Process a main item.
510 */
511
512static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
513{
514 __u32 data;
515 int ret;
516
517 data = item_udata(item);
518
519 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200520 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
521 ret = open_collection(parser, data & 0xff);
522 break;
523 case HID_MAIN_ITEM_TAG_END_COLLECTION:
524 ret = close_collection(parser);
525 break;
526 case HID_MAIN_ITEM_TAG_INPUT:
527 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
528 break;
529 case HID_MAIN_ITEM_TAG_OUTPUT:
530 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
531 break;
532 case HID_MAIN_ITEM_TAG_FEATURE:
533 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
534 break;
535 default:
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100536 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200537 ret = 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100538 }
539
540 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
541
542 return ret;
543}
544
545/*
546 * Process a reserved item.
547 */
548
549static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
550{
Jiri Kosina58037eb2007-05-30 15:07:13 +0200551 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
Jiri Kosinadde58452006-12-08 18:40:44 +0100552 return 0;
553}
554
555/*
556 * Free a report and all registered fields. The field->usage and
557 * field->value table's are allocated behind the field, so we need
558 * only to free(field) itself.
559 */
560
561static void hid_free_report(struct hid_report *report)
562{
563 unsigned n;
564
565 for (n = 0; n < report->maxfield; n++)
566 kfree(report->field[n]);
567 kfree(report);
568}
569
570/*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200571 * Close report. This function returns the device
572 * state to the point prior to hid_open_report().
Jiri Kosinadde58452006-12-08 18:40:44 +0100573 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200574static void hid_close_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +0100575{
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200576 unsigned i, j;
Jiri Kosinadde58452006-12-08 18:40:44 +0100577
578 for (i = 0; i < HID_REPORT_TYPES; i++) {
579 struct hid_report_enum *report_enum = device->report_enum + i;
580
Kees Cook43622022013-08-28 22:29:55 +0200581 for (j = 0; j < HID_MAX_IDS; j++) {
Jiri Kosinadde58452006-12-08 18:40:44 +0100582 struct hid_report *report = report_enum->report_id_hash[j];
583 if (report)
584 hid_free_report(report);
585 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200586 memset(report_enum, 0, sizeof(*report_enum));
587 INIT_LIST_HEAD(&report_enum->report_list);
Jiri Kosinadde58452006-12-08 18:40:44 +0100588 }
589
590 kfree(device->rdesc);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200591 device->rdesc = NULL;
592 device->rsize = 0;
593
Jiri Kosina767fe782007-01-24 23:05:07 +0100594 kfree(device->collection);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200595 device->collection = NULL;
596 device->collection_size = 0;
597 device->maxcollection = 0;
598 device->maxapplication = 0;
599
600 device->status &= ~HID_STAT_PARSED;
601}
602
603/*
604 * Free a device structure, all reports, and all fields.
605 */
606
607static void hid_device_release(struct device *dev)
608{
609 struct hid_device *hid = container_of(dev, struct hid_device, dev);
610
611 hid_close_report(hid);
612 kfree(hid->dev_rdesc);
613 kfree(hid);
Jiri Kosinadde58452006-12-08 18:40:44 +0100614}
615
616/*
617 * Fetch a report description item from the data stream. We support long
618 * items, though they are not used yet.
619 */
620
621static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
622{
623 u8 b;
624
625 if ((end - start) <= 0)
626 return NULL;
627
628 b = *start++;
629
630 item->type = (b >> 2) & 3;
631 item->tag = (b >> 4) & 15;
632
633 if (item->tag == HID_ITEM_TAG_LONG) {
634
635 item->format = HID_ITEM_FORMAT_LONG;
636
637 if ((end - start) < 2)
638 return NULL;
639
640 item->size = *start++;
641 item->tag = *start++;
642
643 if ((end - start) < item->size)
644 return NULL;
645
646 item->data.longdata = start;
647 start += item->size;
648 return start;
649 }
650
651 item->format = HID_ITEM_FORMAT_SHORT;
652 item->size = b & 3;
653
654 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200655 case 0:
656 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100657
Jiri Slaby880d29f2008-06-18 23:55:41 +0200658 case 1:
659 if ((end - start) < 1)
660 return NULL;
661 item->data.u8 = *start++;
662 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100663
Jiri Slaby880d29f2008-06-18 23:55:41 +0200664 case 2:
665 if ((end - start) < 2)
666 return NULL;
667 item->data.u16 = get_unaligned_le16(start);
668 start = (__u8 *)((__le16 *)start + 1);
669 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100670
Jiri Slaby880d29f2008-06-18 23:55:41 +0200671 case 3:
672 item->size++;
673 if ((end - start) < 4)
674 return NULL;
675 item->data.u32 = get_unaligned_le32(start);
676 start = (__u8 *)((__le32 *)start + 1);
677 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100678 }
679
680 return NULL;
681}
682
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200683static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
Henrik Rydberg734c6602012-04-23 12:07:03 +0200684{
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200685 struct hid_device *hid = parser->device;
686
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200687 if (usage == HID_DG_CONTACTID)
688 hid->group = HID_GROUP_MULTITOUCH;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200689}
690
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200691static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
692{
693 if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
694 parser->global.report_size == 8)
695 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
696}
697
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200698static void hid_scan_collection(struct hid_parser *parser, unsigned type)
699{
700 struct hid_device *hid = parser->device;
701
702 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
703 type == HID_COLLECTION_PHYSICAL)
704 hid->group = HID_GROUP_SENSOR_HUB;
705}
706
707static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
708{
709 __u32 data;
710 int i;
711
712 data = item_udata(item);
713
714 switch (item->tag) {
715 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
716 hid_scan_collection(parser, data & 0xff);
717 break;
718 case HID_MAIN_ITEM_TAG_END_COLLECTION:
719 break;
720 case HID_MAIN_ITEM_TAG_INPUT:
Benjamin Tissoirese24d0d32014-03-31 13:27:10 -0400721 /* ignore constant inputs, they will be ignored by hid-input */
722 if (data & HID_MAIN_ITEM_CONSTANT)
723 break;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200724 for (i = 0; i < parser->local.usage_index; i++)
725 hid_scan_input_usage(parser, parser->local.usage[i]);
726 break;
727 case HID_MAIN_ITEM_TAG_OUTPUT:
728 break;
729 case HID_MAIN_ITEM_TAG_FEATURE:
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200730 for (i = 0; i < parser->local.usage_index; i++)
731 hid_scan_feature_usage(parser, parser->local.usage[i]);
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200732 break;
733 }
734
735 /* Reset the local parser environment */
736 memset(&parser->local, 0, sizeof(parser->local));
737
738 return 0;
739}
740
Henrik Rydberg734c6602012-04-23 12:07:03 +0200741/*
742 * Scan a report descriptor before the device is added to the bus.
743 * Sets device groups and other properties that determine what driver
744 * to load.
745 */
746static int hid_scan_report(struct hid_device *hid)
747{
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200748 struct hid_parser *parser;
749 struct hid_item item;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200750 __u8 *start = hid->dev_rdesc;
751 __u8 *end = start + hid->dev_rsize;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200752 static int (*dispatch_type[])(struct hid_parser *parser,
753 struct hid_item *item) = {
754 hid_scan_main,
755 hid_parser_global,
756 hid_parser_local,
757 hid_parser_reserved
758 };
Henrik Rydberg734c6602012-04-23 12:07:03 +0200759
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200760 parser = vzalloc(sizeof(struct hid_parser));
761 if (!parser)
762 return -ENOMEM;
763
764 parser->device = hid;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200765 hid->group = HID_GROUP_GENERIC;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200766
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200767 /*
768 * The parsing is simpler than the one in hid_open_report() as we should
769 * be robust against hid errors. Those errors will be raised by
770 * hid_open_report() anyway.
771 */
772 while ((start = fetch_item(start, end, &item)) != NULL)
773 dispatch_type[item.type](parser, &item);
774
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200775 /*
776 * Handle special flags set during scanning.
777 */
778 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
779 (hid->group == HID_GROUP_MULTITOUCH))
780 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
781
Benjamin Tissoiresba391e52014-05-21 11:15:56 -0400782 /*
783 * Vendor specific handlings
784 */
785 if ((hid->vendor == USB_VENDOR_ID_SYNAPTICS) &&
Andrew Duggane19ff992014-07-17 16:14:45 -0700786 (hid->group == HID_GROUP_GENERIC) &&
787 /* only bind to the mouse interface of composite USB devices */
788 (hid->bus != BUS_USB || hid->type == HID_TYPE_USBMOUSE))
Benjamin Tissoiresba391e52014-05-21 11:15:56 -0400789 /* hid-rmi should take care of them, not hid-generic */
790 hid->group = HID_GROUP_RMI;
791
Benjamin Tissoires29b47392014-07-24 12:52:23 -0700792 /*
793 * Vendor specific handlings
794 */
795 switch (hid->vendor) {
796 case USB_VENDOR_ID_WACOM:
797 hid->group = HID_GROUP_WACOM;
798 break;
799 }
800
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200801 vfree(parser);
Henrik Rydberg734c6602012-04-23 12:07:03 +0200802 return 0;
803}
804
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200805/**
806 * hid_parse_report - parse device report
807 *
808 * @device: hid device
809 * @start: report start
810 * @size: report size
811 *
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200812 * Allocate the device report as read by the bus driver. This function should
813 * only be called from parse() in ll drivers.
814 */
815int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
816{
817 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
818 if (!hid->dev_rdesc)
819 return -ENOMEM;
820 hid->dev_rsize = size;
821 return 0;
822}
823EXPORT_SYMBOL_GPL(hid_parse_report);
824
Kees Cook331415f2013-09-11 21:56:50 +0200825static const char * const hid_report_names[] = {
826 "HID_INPUT_REPORT",
827 "HID_OUTPUT_REPORT",
828 "HID_FEATURE_REPORT",
829};
830/**
831 * hid_validate_values - validate existing device report's value indexes
832 *
833 * @device: hid device
834 * @type: which report type to examine
835 * @id: which report ID to examine (0 for first)
836 * @field_index: which report field to examine
837 * @report_counts: expected number of values
838 *
839 * Validate the number of values in a given field of a given report, after
840 * parsing.
841 */
842struct hid_report *hid_validate_values(struct hid_device *hid,
843 unsigned int type, unsigned int id,
844 unsigned int field_index,
845 unsigned int report_counts)
846{
847 struct hid_report *report;
848
849 if (type > HID_FEATURE_REPORT) {
850 hid_err(hid, "invalid HID report type %u\n", type);
851 return NULL;
852 }
853
854 if (id >= HID_MAX_IDS) {
855 hid_err(hid, "invalid HID report id %u\n", id);
856 return NULL;
857 }
858
859 /*
860 * Explicitly not using hid_get_report() here since it depends on
861 * ->numbered being checked, which may not always be the case when
862 * drivers go to access report values.
863 */
Kees Cook1b15d2e2014-04-17 13:22:09 -0700864 if (id == 0) {
865 /*
866 * Validating on id 0 means we should examine the first
867 * report in the list.
868 */
869 report = list_entry(
870 hid->report_enum[type].report_list.next,
871 struct hid_report, list);
872 } else {
873 report = hid->report_enum[type].report_id_hash[id];
874 }
Kees Cook331415f2013-09-11 21:56:50 +0200875 if (!report) {
876 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
877 return NULL;
878 }
879 if (report->maxfield <= field_index) {
880 hid_err(hid, "not enough fields in %s %u\n",
881 hid_report_names[type], id);
882 return NULL;
883 }
884 if (report->field[field_index]->report_count < report_counts) {
885 hid_err(hid, "not enough values in %s %u field %u\n",
886 hid_report_names[type], id, field_index);
887 return NULL;
888 }
889 return report;
890}
891EXPORT_SYMBOL_GPL(hid_validate_values);
892
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200893/**
894 * hid_open_report - open a driver-specific device report
895 *
896 * @device: hid device
897 *
Jiri Kosinadde58452006-12-08 18:40:44 +0100898 * Parse a report description into a hid_device structure. Reports are
899 * enumerated, fields are attached to these reports.
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200900 * 0 returned on success, otherwise nonzero error value.
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200901 *
902 * This function (or the equivalent hid_parse() macro) should only be
903 * called from probe() in drivers, before starting the device.
Jiri Kosinadde58452006-12-08 18:40:44 +0100904 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200905int hid_open_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +0100906{
Jiri Kosinadde58452006-12-08 18:40:44 +0100907 struct hid_parser *parser;
908 struct hid_item item;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200909 unsigned int size;
910 __u8 *start;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700911 __u8 *buf;
Jiri Kosinadde58452006-12-08 18:40:44 +0100912 __u8 *end;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200913 int ret;
Jiri Kosinadde58452006-12-08 18:40:44 +0100914 static int (*dispatch_type[])(struct hid_parser *parser,
915 struct hid_item *item) = {
916 hid_parser_main,
917 hid_parser_global,
918 hid_parser_local,
919 hid_parser_reserved
920 };
921
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200922 if (WARN_ON(device->status & HID_STAT_PARSED))
923 return -EBUSY;
924
925 start = device->dev_rdesc;
926 if (WARN_ON(!start))
927 return -ENODEV;
928 size = device->dev_rsize;
929
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700930 buf = kmemdup(start, size, GFP_KERNEL);
931 if (buf == NULL)
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200932 return -ENOMEM;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700933
934 if (device->driver->report_fixup)
935 start = device->driver->report_fixup(device, buf, &size);
936 else
937 start = buf;
938
939 start = kmemdup(start, size, GFP_KERNEL);
940 kfree(buf);
941 if (start == NULL)
942 return -ENOMEM;
943
944 device->rdesc = start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100945 device->rsize = size;
946
Joe Perchesfe258022010-12-09 19:29:04 -0800947 parser = vzalloc(sizeof(struct hid_parser));
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200948 if (!parser) {
949 ret = -ENOMEM;
950 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100951 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200952
Jiri Kosinadde58452006-12-08 18:40:44 +0100953 parser->device = device;
954
955 end = start + size;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200956
957 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
958 sizeof(struct hid_collection), GFP_KERNEL);
959 if (!device->collection) {
960 ret = -ENOMEM;
961 goto err;
962 }
963 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
964
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200965 ret = -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100966 while ((start = fetch_item(start, end, &item)) != NULL) {
967
968 if (item.format != HID_ITEM_FORMAT_SHORT) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100969 hid_err(device, "unexpected long global item\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200970 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100971 }
972
973 if (dispatch_type[item.type](parser, &item)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100974 hid_err(device, "item %u %u %u %u parsing failed\n",
Joe Perches4291ee32010-12-09 19:29:03 -0800975 item.format, (unsigned)item.size,
976 (unsigned)item.type, (unsigned)item.tag);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200977 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100978 }
979
980 if (start == end) {
981 if (parser->collection_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100982 hid_err(device, "unbalanced collection at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200983 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100984 }
985 if (parser->local.delimiter_depth) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100986 hid_err(device, "unbalanced delimiter at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200987 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100988 }
Jiri Kosina47a80ed2007-03-12 14:55:12 +0100989 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200990 device->status |= HID_STAT_PARSED;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200991 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100992 }
993 }
994
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100995 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200996err:
Jiri Kosina47a80ed2007-03-12 14:55:12 +0100997 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200998 hid_close_report(device);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200999 return ret;
Jiri Kosinadde58452006-12-08 18:40:44 +01001000}
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001001EXPORT_SYMBOL_GPL(hid_open_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001002
1003/*
1004 * Convert a signed n-bit integer to signed 32-bit integer. Common
1005 * cases are done through the compiler, the screwed things has to be
1006 * done by hand.
1007 */
1008
1009static s32 snto32(__u32 value, unsigned n)
1010{
1011 switch (n) {
Jiri Slaby880d29f2008-06-18 23:55:41 +02001012 case 8: return ((__s8)value);
1013 case 16: return ((__s16)value);
1014 case 32: return ((__s32)value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001015 }
1016 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1017}
1018
Benjamin Tissoires77463832012-11-14 16:59:15 +01001019s32 hid_snto32(__u32 value, unsigned n)
1020{
1021 return snto32(value, n);
1022}
1023EXPORT_SYMBOL_GPL(hid_snto32);
1024
Jiri Kosinadde58452006-12-08 18:40:44 +01001025/*
1026 * Convert a signed 32-bit integer to a signed n-bit integer.
1027 */
1028
1029static u32 s32ton(__s32 value, unsigned n)
1030{
1031 s32 a = value >> (n - 1);
1032 if (a && a != -1)
1033 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1034 return value & ((1 << n) - 1);
1035}
1036
1037/*
1038 * Extract/implement a data field from/to a little endian report (bit array).
1039 *
1040 * Code sort-of follows HID spec:
1041 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1042 *
1043 * While the USB HID spec allows unlimited length bit fields in "report
1044 * descriptors", most devices never use more than 16 bits.
1045 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1046 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1047 */
1048
Joe Perches16ee4cc2010-12-09 19:29:05 -08001049static __u32 extract(const struct hid_device *hid, __u8 *report,
1050 unsigned offset, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001051{
1052 u64 x;
1053
Jiri Kosinac4124c92007-11-30 11:12:58 +01001054 if (n > 32)
Joe Perches4291ee32010-12-09 19:29:03 -08001055 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1056 n, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001057
1058 report += offset >> 3; /* adjust byte index */
Jiri Kosina229695e2006-12-08 18:40:53 +01001059 offset &= 7; /* now only need bit offset into one byte */
Harvey Harrisonc1050682008-04-29 01:03:31 -07001060 x = get_unaligned_le64(report);
Jiri Kosina229695e2006-12-08 18:40:53 +01001061 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
Jiri Kosinadde58452006-12-08 18:40:44 +01001062 return (u32) x;
1063}
1064
1065/*
1066 * "implement" : set bits in a little endian bit stream.
1067 * Same concepts as "extract" (see comments above).
1068 * The data mangled in the bit stream remains in little endian
1069 * order the whole time. It make more sense to talk about
1070 * endianness of register values by considering a register
1071 * a "cached" copy of the little endiad bit stream.
1072 */
Joe Perches16ee4cc2010-12-09 19:29:05 -08001073static void implement(const struct hid_device *hid, __u8 *report,
1074 unsigned offset, unsigned n, __u32 value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001075{
Harvey Harrison6f0168d2008-05-16 11:00:23 +02001076 u64 x;
Jiri Kosinadde58452006-12-08 18:40:44 +01001077 u64 m = (1ULL << n) - 1;
1078
Jiri Kosinac4124c92007-11-30 11:12:58 +01001079 if (n > 32)
Joe Perches4291ee32010-12-09 19:29:03 -08001080 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1081 __func__, n, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001082
Jiri Kosinac4124c92007-11-30 11:12:58 +01001083 if (value > m)
Joe Perches4291ee32010-12-09 19:29:03 -08001084 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1085 __func__, value, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001086 WARN_ON(value > m);
1087 value &= m;
1088
1089 report += offset >> 3;
1090 offset &= 7;
1091
Harvey Harrison6f0168d2008-05-16 11:00:23 +02001092 x = get_unaligned_le64(report);
1093 x &= ~(m << offset);
1094 x |= ((u64)value) << offset;
1095 put_unaligned_le64(x, report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001096}
1097
1098/*
1099 * Search an array for a value.
1100 */
1101
Joe Perches16ee4cc2010-12-09 19:29:05 -08001102static int search(__s32 *array, __s32 value, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001103{
1104 while (n--) {
1105 if (*array++ == value)
1106 return 0;
1107 }
1108 return -1;
1109}
1110
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001111/**
1112 * hid_match_report - check if driver's raw_event should be called
1113 *
1114 * @hid: hid device
1115 * @report_type: type to match against
1116 *
1117 * compare hid->driver->report_table->report_type to report->type
1118 */
1119static int hid_match_report(struct hid_device *hid, struct hid_report *report)
Jiri Kosinadde58452006-12-08 18:40:44 +01001120{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001121 const struct hid_report_id *id = hid->driver->report_table;
1122
1123 if (!id) /* NULL means all */
1124 return 1;
1125
1126 for (; id->report_type != HID_TERMINATOR; id++)
1127 if (id->report_type == HID_ANY_ID ||
1128 id->report_type == report->type)
1129 return 1;
1130 return 0;
1131}
1132
1133/**
1134 * hid_match_usage - check if driver's event should be called
1135 *
1136 * @hid: hid device
1137 * @usage: usage to match against
1138 *
1139 * compare hid->driver->usage_table->usage_{type,code} to
1140 * usage->usage_{type,code}
1141 */
1142static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1143{
1144 const struct hid_usage_id *id = hid->driver->usage_table;
1145
1146 if (!id) /* NULL means all */
1147 return 1;
1148
1149 for (; id->usage_type != HID_ANY_ID - 1; id++)
1150 if ((id->usage_hid == HID_ANY_ID ||
1151 id->usage_hid == usage->hid) &&
1152 (id->usage_type == HID_ANY_ID ||
1153 id->usage_type == usage->type) &&
1154 (id->usage_code == HID_ANY_ID ||
1155 id->usage_code == usage->code))
1156 return 1;
1157 return 0;
1158}
1159
1160static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1161 struct hid_usage *usage, __s32 value, int interrupt)
1162{
1163 struct hid_driver *hdrv = hid->driver;
1164 int ret;
1165
Henrik Rydberg9bfc8da2012-09-01 21:47:11 +02001166 if (!list_empty(&hid->debug_list))
1167 hid_dump_input(hid, usage, value);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001168
1169 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1170 ret = hdrv->event(hid, field, usage, value);
1171 if (ret != 0) {
1172 if (ret < 0)
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001173 hid_err(hid, "%s's event failed with %d\n",
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001174 hdrv->name, ret);
1175 return;
1176 }
1177 }
1178
Jiri Kosinadde58452006-12-08 18:40:44 +01001179 if (hid->claimed & HID_CLAIMED_INPUT)
1180 hidinput_hid_event(hid, field, usage, value);
Jiri Kosinaaa938f72006-12-08 18:41:10 +01001181 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1182 hid->hiddev_hid_event(hid, field, usage, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001183}
1184
1185/*
1186 * Analyse a received field, and fetch the data from it. The field
1187 * content is stored for next report processing (we do differential
1188 * reporting to the layer).
1189 */
1190
Adrian Bunkabdff0f2008-03-31 01:53:56 +02001191static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1192 __u8 *data, int interrupt)
Jiri Kosinadde58452006-12-08 18:40:44 +01001193{
1194 unsigned n;
1195 unsigned count = field->report_count;
1196 unsigned offset = field->report_offset;
1197 unsigned size = field->report_size;
1198 __s32 min = field->logical_minimum;
1199 __s32 max = field->logical_maximum;
1200 __s32 *value;
1201
Joe Perchesa3789a12010-12-09 19:29:07 -08001202 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1203 if (!value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001204 return;
1205
1206 for (n = 0; n < count; n++) {
1207
Joe Perches4291ee32010-12-09 19:29:03 -08001208 value[n] = min < 0 ?
1209 snto32(extract(hid, data, offset + n * size, size),
1210 size) :
1211 extract(hid, data, offset + n * size, size);
Jiri Kosinadde58452006-12-08 18:40:44 +01001212
Joe Perches4291ee32010-12-09 19:29:03 -08001213 /* Ignore report if ErrorRollOver */
1214 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1215 value[n] >= min && value[n] <= max &&
1216 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1217 goto exit;
Jiri Kosinadde58452006-12-08 18:40:44 +01001218 }
1219
1220 for (n = 0; n < count; n++) {
1221
1222 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1223 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1224 continue;
1225 }
1226
1227 if (field->value[n] >= min && field->value[n] <= max
1228 && field->usage[field->value[n] - min].hid
1229 && search(value, field->value[n], count))
1230 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1231
1232 if (value[n] >= min && value[n] <= max
1233 && field->usage[value[n] - min].hid
1234 && search(field->value, value[n], count))
1235 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1236 }
1237
1238 memcpy(field->value, value, count * sizeof(__s32));
1239exit:
1240 kfree(value);
1241}
Jiri Kosinadde58452006-12-08 18:40:44 +01001242
1243/*
1244 * Output the field into the report.
1245 */
1246
Joe Perches4291ee32010-12-09 19:29:03 -08001247static void hid_output_field(const struct hid_device *hid,
1248 struct hid_field *field, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001249{
1250 unsigned count = field->report_count;
1251 unsigned offset = field->report_offset;
1252 unsigned size = field->report_size;
1253 unsigned n;
1254
1255 for (n = 0; n < count; n++) {
1256 if (field->logical_minimum < 0) /* signed values */
Joe Perches4291ee32010-12-09 19:29:03 -08001257 implement(hid, data, offset + n * size, size,
1258 s32ton(field->value[n], size));
Jiri Kosinadde58452006-12-08 18:40:44 +01001259 else /* unsigned values */
Joe Perches4291ee32010-12-09 19:29:03 -08001260 implement(hid, data, offset + n * size, size,
1261 field->value[n]);
Jiri Kosinadde58452006-12-08 18:40:44 +01001262 }
1263}
1264
1265/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001266 * Create a report. 'data' has to be allocated using
1267 * hid_alloc_report_buf() so that it has proper size.
Jiri Kosinadde58452006-12-08 18:40:44 +01001268 */
1269
Jiri Kosina229695e2006-12-08 18:40:53 +01001270void hid_output_report(struct hid_report *report, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001271{
1272 unsigned n;
1273
1274 if (report->id > 0)
1275 *data++ = report->id;
1276
Pete Zaitcev75c28df2010-04-12 12:16:11 -06001277 memset(data, 0, ((report->size - 1) >> 3) + 1);
Jiri Kosinadde58452006-12-08 18:40:44 +01001278 for (n = 0; n < report->maxfield; n++)
Joe Perches4291ee32010-12-09 19:29:03 -08001279 hid_output_field(report->device, report->field[n], data);
Jiri Kosinadde58452006-12-08 18:40:44 +01001280}
Jiri Kosina229695e2006-12-08 18:40:53 +01001281EXPORT_SYMBOL_GPL(hid_output_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001282
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001283static int hid_report_len(struct hid_report *report)
1284{
Benjamin Tissoires19e4ec52014-04-30 17:48:40 -04001285 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
1286 return ((report->size - 1) >> 3) + 1 + (report->id > 0);
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001287}
1288
Jiri Kosinadde58452006-12-08 18:40:44 +01001289/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001290 * Allocator for buffer that is going to be passed to hid_output_report()
1291 */
1292u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1293{
1294 /*
1295 * 7 extra bytes are necessary to achieve proper functionality
1296 * of implement() working on 8 byte chunks
1297 */
1298
Benjamin Tissoires19e4ec52014-04-30 17:48:40 -04001299 int len = hid_report_len(report) + 7;
Jiri Kosina27ce4052013-07-10 19:56:27 +02001300
1301 return kmalloc(len, flags);
1302}
1303EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1304
1305/*
Jiri Kosinadde58452006-12-08 18:40:44 +01001306 * Set a field value. The report this field belongs to has to be
1307 * created and transferred to the device, to set this value in the
1308 * device.
1309 */
1310
1311int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1312{
Kees Cookbe67b682013-08-28 22:32:01 +02001313 unsigned size;
1314
1315 if (!field)
1316 return -1;
1317
1318 size = field->report_size;
Jiri Kosinadde58452006-12-08 18:40:44 +01001319
Jiri Kosinacd667ce2009-06-12 15:20:57 +02001320 hid_dump_input(field->report->device, field->usage + offset, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001321
1322 if (offset >= field->report_count) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001323 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1324 offset, field->report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +01001325 return -1;
1326 }
1327 if (field->logical_minimum < 0) {
1328 if (value != snto32(s32ton(value, size), size)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001329 hid_err(field->report->device, "value %d is out of range\n", value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001330 return -1;
1331 }
1332 }
1333 field->value[offset] = value;
1334 return 0;
1335}
Jiri Kosina229695e2006-12-08 18:40:53 +01001336EXPORT_SYMBOL_GPL(hid_set_field);
Jiri Kosinadde58452006-12-08 18:40:44 +01001337
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001338static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1339 const u8 *data)
1340{
1341 struct hid_report *report;
1342 unsigned int n = 0; /* Normally report number is 0 */
1343
1344 /* Device uses numbered reports, data[0] is report number */
1345 if (report_enum->numbered)
1346 n = *data;
1347
1348 report = report_enum->report_id_hash[n];
1349 if (report == NULL)
1350 dbg_hid("undefined report_id %u received\n", n);
1351
1352 return report;
1353}
1354
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001355/*
1356 * Implement a generic .request() callback, using .raw_request()
1357 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1358 */
1359void __hid_request(struct hid_device *hid, struct hid_report *report,
1360 int reqtype)
1361{
1362 char *buf;
1363 int ret;
1364 int len;
1365
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001366 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1367 if (!buf)
1368 return;
1369
1370 len = hid_report_len(report);
1371
1372 if (reqtype == HID_REQ_SET_REPORT)
1373 hid_output_report(report, buf);
1374
1375 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1376 report->type, reqtype);
1377 if (ret < 0) {
1378 dbg_hid("unable to complete request: %d\n", ret);
1379 goto out;
1380 }
1381
1382 if (reqtype == HID_REQ_GET_REPORT)
1383 hid_input_report(hid, report->type, buf, ret, 0);
1384
1385out:
1386 kfree(buf);
1387}
1388EXPORT_SYMBOL_GPL(__hid_request);
1389
Jiri Kosinab6787242012-04-27 00:56:08 +02001390int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001391 int interrupt)
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001392{
1393 struct hid_report_enum *report_enum = hid->report_enum + type;
1394 struct hid_report *report;
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001395 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001396 unsigned int a;
1397 int rsize, csize = size;
1398 u8 *cdata = data;
Jiri Kosinab6787242012-04-27 00:56:08 +02001399 int ret = 0;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001400
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001401 report = hid_get_report(report_enum, data);
1402 if (!report)
Jiri Kosinab6787242012-04-27 00:56:08 +02001403 goto out;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001404
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001405 if (report_enum->numbered) {
1406 cdata++;
1407 csize--;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001408 }
1409
1410 rsize = ((report->size - 1) >> 3) + 1;
1411
Armando Visconti966922f2011-05-19 21:41:22 +02001412 if (rsize > HID_MAX_BUFFER_SIZE)
1413 rsize = HID_MAX_BUFFER_SIZE;
1414
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001415 if (csize < rsize) {
1416 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1417 csize, rsize);
1418 memset(cdata + csize, 0, rsize - csize);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001419 }
1420
1421 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1422 hid->hiddev_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001423 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1424 ret = hidraw_report_event(hid, data, size);
1425 if (ret)
1426 goto out;
1427 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001428
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +02001429 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001430 for (a = 0; a < report->maxfield; a++)
1431 hid_input_field(hid, report->field[a], cdata, interrupt);
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001432 hdrv = hid->driver;
1433 if (hdrv && hdrv->report)
1434 hdrv->report(hid, report);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001435 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001436
1437 if (hid->claimed & HID_CLAIMED_INPUT)
1438 hidinput_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001439out:
1440 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001441}
1442EXPORT_SYMBOL_GPL(hid_report_raw_event);
1443
1444/**
1445 * hid_input_report - report data from lower layer (usb, bt...)
1446 *
1447 * @hid: hid device
1448 * @type: HID report type (HID_*_REPORT)
1449 * @data: report contents
1450 * @size: size of data parameter
Jiri Kosinaff9b00a2009-10-01 16:03:13 +02001451 * @interrupt: distinguish between interrupt and control transfers
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001452 *
1453 * This is data entry for lower layers.
1454 */
1455int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1456{
Julia Lawall76c317d2009-07-19 17:26:13 +02001457 struct hid_report_enum *report_enum;
1458 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001459 struct hid_report *report;
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001460 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001461
David Herrmann4ea54542011-08-10 14:02:07 +02001462 if (!hid)
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001463 return -ENODEV;
David Herrmann4ea54542011-08-10 14:02:07 +02001464
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001465 if (down_trylock(&hid->driver_input_lock))
David Herrmann4ea54542011-08-10 14:02:07 +02001466 return -EBUSY;
1467
1468 if (!hid->driver) {
1469 ret = -ENODEV;
1470 goto unlock;
1471 }
Julia Lawall76c317d2009-07-19 17:26:13 +02001472 report_enum = hid->report_enum + type;
1473 hdrv = hid->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001474
1475 if (!size) {
1476 dbg_hid("empty report\n");
David Herrmann4ea54542011-08-10 14:02:07 +02001477 ret = -1;
1478 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001479 }
1480
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001481 /* Avoid unnecessary overhead if debugfs is disabled */
Benjamin Tissoiresa5f04b92013-04-17 19:38:13 +02001482 if (!list_empty(&hid->debug_list))
1483 hid_dump_report(hid, type, data, size);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001484
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001485 report = hid_get_report(report_enum, data);
1486
David Herrmann4ea54542011-08-10 14:02:07 +02001487 if (!report) {
1488 ret = -1;
1489 goto unlock;
1490 }
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001491
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001492 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1493 ret = hdrv->raw_event(hid, report, data, size);
Felix Rueegg556483e2013-10-08 19:33:47 +02001494 if (ret < 0)
David Herrmann4ea54542011-08-10 14:02:07 +02001495 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001496 }
1497
Jiri Kosinab6787242012-04-27 00:56:08 +02001498 ret = hid_report_raw_event(hid, type, data, size, interrupt);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001499
David Herrmann4ea54542011-08-10 14:02:07 +02001500unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001501 up(&hid->driver_input_lock);
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001502 return ret;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001503}
1504EXPORT_SYMBOL_GPL(hid_input_report);
1505
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001506static bool hid_match_one_id(struct hid_device *hdev,
1507 const struct hid_device_id *id)
1508{
Henrik Rydberg7431fb72012-04-23 12:07:04 +02001509 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
Henrik Rydberg4d53b802012-04-23 12:07:02 +02001510 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001511 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1512 (id->product == HID_ANY_ID || id->product == hdev->product);
1513}
1514
Jeremy Fitzhardingebbc21cf2011-12-02 11:12:36 -08001515const struct hid_device_id *hid_match_id(struct hid_device *hdev,
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001516 const struct hid_device_id *id)
1517{
1518 for (; id->bus; id++)
1519 if (hid_match_one_id(hdev, id))
1520 return id;
1521
1522 return NULL;
1523}
1524
1525static const struct hid_device_id hid_hiddev_list[] = {
Richard Hughesc0bd6a42008-08-27 11:19:37 +02001526 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1527 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001528 { }
1529};
1530
1531static bool hid_hiddev(struct hid_device *hdev)
1532{
1533 return !!hid_match_id(hdev, hid_hiddev_list);
1534}
1535
Alan Ott6d3bfb72011-01-23 22:50:18 -05001536
1537static ssize_t
1538read_report_descriptor(struct file *filp, struct kobject *kobj,
1539 struct bin_attribute *attr,
1540 char *buf, loff_t off, size_t count)
1541{
1542 struct device *dev = container_of(kobj, struct device, kobj);
1543 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1544
1545 if (off >= hdev->rsize)
1546 return 0;
1547
1548 if (off + count > hdev->rsize)
1549 count = hdev->rsize - off;
1550
1551 memcpy(buf, hdev->rdesc + off, count);
1552
1553 return count;
1554}
1555
1556static struct bin_attribute dev_bin_attr_report_desc = {
1557 .attr = { .name = "report_descriptor", .mode = 0444 },
1558 .read = read_report_descriptor,
1559 .size = HID_MAX_DESCRIPTOR_SIZE,
1560};
1561
Jiri Slaby93c10132008-06-27 00:04:24 +02001562int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1563{
1564 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1565 "Joystick", "Gamepad", "Keyboard", "Keypad",
1566 "Multi-Axis Controller"
1567 };
1568 const char *type, *bus;
1569 char buf[64];
1570 unsigned int i;
1571 int len;
Alan Ott6d3bfb72011-01-23 22:50:18 -05001572 int ret;
Jiri Slaby93c10132008-06-27 00:04:24 +02001573
Bastien Nocerab5e5a372010-04-16 17:19:50 +01001574 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1575 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
Daniel Mack3a343ee2010-07-12 19:28:27 +02001576 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1577 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001578 if (hdev->bus != BUS_USB)
1579 connect_mask &= ~HID_CONNECT_HIDDEV;
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001580 if (hid_hiddev(hdev))
1581 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001582
1583 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1584 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1585 hdev->claimed |= HID_CLAIMED_INPUT;
Benjamin Tissoiresb77c3922011-09-21 16:56:54 +02001586
Jiri Slaby93c10132008-06-27 00:04:24 +02001587 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1588 !hdev->hiddev_connect(hdev,
1589 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1590 hdev->claimed |= HID_CLAIMED_HIDDEV;
1591 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1592 hdev->claimed |= HID_CLAIMED_HIDRAW;
1593
Benjamin Tissoires7704ac92014-09-23 12:08:08 -04001594 if (connect_mask & HID_CONNECT_DRIVER)
1595 hdev->claimed |= HID_CLAIMED_DRIVER;
1596
David Herrmann4bc19f62012-07-20 11:49:09 +02001597 /* Drivers with the ->raw_event callback set are not required to connect
1598 * to any other listener. */
1599 if (!hdev->claimed && !hdev->driver->raw_event) {
1600 hid_err(hdev, "device has no listeners, quitting\n");
Jiri Slaby93c10132008-06-27 00:04:24 +02001601 return -ENODEV;
1602 }
1603
1604 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1605 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1606 hdev->ff_init(hdev);
1607
1608 len = 0;
1609 if (hdev->claimed & HID_CLAIMED_INPUT)
1610 len += sprintf(buf + len, "input");
1611 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1612 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1613 hdev->minor);
1614 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1615 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1616 ((struct hidraw *)hdev->hidraw)->minor);
1617
1618 type = "Device";
1619 for (i = 0; i < hdev->maxcollection; i++) {
1620 struct hid_collection *col = &hdev->collection[i];
1621 if (col->type == HID_COLLECTION_APPLICATION &&
1622 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1623 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1624 type = types[col->usage & 0xffff];
1625 break;
1626 }
1627 }
1628
1629 switch (hdev->bus) {
1630 case BUS_USB:
1631 bus = "USB";
1632 break;
1633 case BUS_BLUETOOTH:
1634 bus = "BLUETOOTH";
1635 break;
1636 default:
1637 bus = "<UNKNOWN>";
1638 }
1639
Alan Ott6d3bfb72011-01-23 22:50:18 -05001640 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1641 if (ret)
1642 hid_warn(hdev,
1643 "can't create sysfs report descriptor attribute err: %d\n", ret);
1644
Joe Perches4291ee32010-12-09 19:29:03 -08001645 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1646 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1647 type, hdev->name, hdev->phys);
Jiri Slaby93c10132008-06-27 00:04:24 +02001648
1649 return 0;
1650}
1651EXPORT_SYMBOL_GPL(hid_connect);
1652
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001653void hid_disconnect(struct hid_device *hdev)
1654{
Alan Ott6d3bfb72011-01-23 22:50:18 -05001655 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001656 if (hdev->claimed & HID_CLAIMED_INPUT)
1657 hidinput_disconnect(hdev);
1658 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1659 hdev->hiddev_disconnect(hdev);
1660 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1661 hidraw_disconnect(hdev);
Benjamin Tissoires9c5c6ed2014-11-03 15:33:32 -05001662 hdev->claimed = 0;
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001663}
1664EXPORT_SYMBOL_GPL(hid_disconnect);
1665
Jiri Kosina00315e42012-09-02 09:28:51 +02001666/*
1667 * A list of devices for which there is a specialized driver on HID bus.
1668 *
1669 * Please note that for multitouch devices (driven by hid-multitouch driver),
1670 * there is a proper autodetection and autoloading in place (based on presence
1671 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1672 * as we are doing the right thing in hid_scan_usage().
Alexander Holler83499b52012-12-09 12:44:30 +01001673 *
1674 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1675 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1676 * used as a driver. See hid_scan_report().
Jiri Kosina00315e42012-09-02 09:28:51 +02001677 */
Dmitry Torokhovce06b9d2010-11-28 16:37:14 +01001678static const struct hid_device_id hid_have_special_driver[] = {
Jiri Slaby14a21cd2008-06-23 23:31:09 +02001679 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1680 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
Lech Perczakb7e1b202010-09-16 23:19:33 +02001681 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
Sergei Kolzunc0dbcc32010-07-19 12:13:23 +02001682 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
Tristan Ricee17f5d762013-11-12 19:06:23 +01001683 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001684 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
Michael Poole128537c2010-02-06 12:24:36 -05001685 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
Chase Douglasa4622302010-08-31 21:56:23 -04001686 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001687 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1688 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1689 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1690 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1691 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1692 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1694 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1695 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1697 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
Ryan Finniefef3f572009-03-05 10:18:01 +01001698 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1699 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
Benjamin Tissoires9a4a5572013-04-17 18:15:15 +02001707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1708 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1709 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1710 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1711 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
Jan Scholzee8a1a02008-11-26 15:33:45 +01001712 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1713 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1714 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Henrik Rydberga96d6ef2008-11-04 20:03:45 +01001721 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1722 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1723 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04001724 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1725 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1726 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1729 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08001730 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1731 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1732 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03001733 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1734 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1735 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Dan Bastone4a4c8792011-07-31 07:40:49 -04001736 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1737 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1738 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
Jiri Kosinaf6f554f2011-08-10 14:12:52 +02001739 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1740 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1741 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
Jiri Kosinab3aec7b2011-10-25 09:59:04 +02001742 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1743 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1744 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07001745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1747 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07001748 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1749 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1750 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07001751 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1752 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1753 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Christian Schuerer-Waldheim23aeb612010-01-06 14:49:57 +01001754 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1755 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1756 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
Ben Hutchingsf9af7b92012-12-02 14:38:23 +00001757 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
Andreas Kristad734bc2011-10-28 18:50:39 +02001758 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
Huei-Horng Yobd4a7ce2014-02-06 17:40:34 +08001759 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001760 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1761 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
Josenivaldo Benito Junior212da742012-04-10 19:29:04 -03001762 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001763 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
Wayne Thomasbf280622010-04-29 00:45:01 +02001764 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
Jiri Kosinac3dc66d2010-08-30 15:43:25 +02001765 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
Jiri Slaby3b239cd2008-06-24 20:42:25 +02001766 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
Raphaël Doursenaud1ce31b22010-04-08 13:40:52 +02001767 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
Jiri Slabyfcfacfd2008-06-24 22:48:52 +02001768 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
Dennis Küglerb9e4b1e2010-11-23 21:40:09 +01001769 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
Keng-Yu Lin3596bb92012-02-02 10:31:26 +01001770 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
Cyrus Lien2d8767b2012-07-23 17:11:51 +08001771 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
Don Prince3a370ca2010-05-12 15:18:59 +02001772 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
David Barksdalee932d812014-02-04 12:42:48 -06001773 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001774 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1775 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
Jiri Kosinae8d0eab2009-12-02 22:54:11 +01001776 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
Lionel Vaux76c9d8f2012-07-22 11:32:20 +02001777 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001778 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
Richard Walmsley3f866fb2009-03-04 22:12:04 +13001779 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
Nikolai Kondrashove05eefb2011-01-28 14:50:52 +03001780 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
Richard Nauber64b386e2010-06-28 18:54:25 +02001781 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
Jiri Slabyd23efc12013-05-07 11:40:58 +02001782 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1783 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
Ignaz Forster04561c52010-11-01 15:13:37 -04001784 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
Jiri Slaby1f243e32008-06-24 21:11:21 +02001785 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001786 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
Jiri Kosina578f3a32008-11-20 15:55:38 +01001787 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001788 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
Lukasz Lubojanski42859e02008-12-11 22:07:59 +01001789 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
Jiri Slaby949f8fe2008-07-24 23:35:13 +02001790 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
Jiri Kosina1e093202008-10-17 11:52:23 +02001791 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
Cory Maccarronec2fd1a42010-05-22 13:00:28 -07001792 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
Anssi Hannulad946e652011-06-27 00:07:31 +03001793 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
Tom Harwoodff9bf5a2012-07-06 08:05:04 -07001794 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
Jiri Kosina40d35972013-05-28 12:18:34 +02001795 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
Kharlamov Alexey274be3e2014-01-14 16:09:09 +04001797 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
Anders F. U. Kiærf1a49142013-10-21 23:42:22 +02001798 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
Anders F. U. Kiær7da7cbb2013-10-01 19:22:05 +02001799 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
John DeSilva5df4eb02014-09-05 11:13:17 -04001800 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
Nikolai Kondrashove917e982014-07-23 19:31:54 +03001801 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
Michael Karcheraaca9cc2013-01-17 11:06:09 +01001802 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
Bastien Nocera4ddfe022012-10-31 12:10:10 +01001803 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
Jiri Kosinafdf93aa2009-03-04 16:09:40 +01001804 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
Jiri Kosina177900e2011-02-17 15:12:45 +01001805 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
Benjamin Tissoires3685c182013-07-02 18:10:09 +02001806 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
Benjamin Tissoires4a2c94c2013-11-20 09:49:41 -05001807 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
Benjamin Tissoires0adb9c22013-07-15 10:12:18 +02001808 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
Jiri Kosina79422742009-03-11 11:43:27 +01001809 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +02001810 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1811 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1812 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001813 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
Chris Schlund75b07022011-02-03 16:41:47 +01001814 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
Jamie Lentin94723bf2014-07-23 23:30:45 +01001815#if IS_ENABLED(CONFIG_HID_LENOVO)
Andres Freundaad932e2012-08-30 14:37:14 +02001816 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
Jamie Lentinf3d4ff02014-07-23 23:30:48 +01001817 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1818 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
Andres Freundaad932e2012-08-30 14:37:14 +02001819#endif
Jiri Slaby5f22a792008-05-16 11:49:19 +02001820 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1821 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1822 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1823 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
David Dillow5844c1c2012-09-25 23:02:27 +02001824 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001825 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1826 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1827 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001828 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1829 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001830 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1831 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
Hendrik Iben2c6118e2010-10-04 15:39:49 +02001832 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001833 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1834 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1835 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
Jiri Kosinafd30ea82009-06-23 12:11:31 +02001836 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001837 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
Gary Stein74f292c2010-01-13 00:25:58 +01001838 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001839 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1840 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
Elias Vanderstuyftbd043632013-10-07 19:48:12 +03001841 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
Jiri Kosina5623a242011-03-17 00:43:23 +01001842 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
Michal Malýe00ddc92011-09-10 21:28:23 +02001843 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
Christophe Borivant243b7062009-04-17 11:39:39 +02001844 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
Peter Gundermannfdc68072011-05-03 10:15:03 +02001845 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04001846#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
Nestor Lopez Casado534a7b82011-09-15 11:34:49 +02001847 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1848 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04001849#endif
Simon Wood32c88cb2010-09-22 13:19:42 +02001850 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001851 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
Jiri Kosina24985cf2009-11-13 10:45:53 +01001852 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1853 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
Bruno Prémont236db472010-03-30 22:33:50 +02001854 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
Jiri Kosinab5801692011-07-22 12:11:15 +02001856 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001857 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
Adam Jiang89759e22013-04-29 13:27:31 +09001859 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001860 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
Jiri Kosinaf3b83d72011-06-13 23:08:18 +03001862 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001863 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
Hans de Goede3faed1a2014-01-29 17:57:43 +01001864 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
Jiri Slaby3b8006e2008-06-25 00:07:50 +02001865 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
Janne Kanniainenf471d942014-06-18 19:05:02 +03001866 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
Rafi Rubin94011f92008-11-19 15:54:46 +01001867 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
micki6e328192010-06-19 11:37:29 +03001868 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1869 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1870 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1871 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1872 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1873 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1874 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1877 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1878 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1879 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1880 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1881 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1882 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1883 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1884 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1885 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
Herton Ronaldo Krzesinski270fdc02011-03-16 14:13:53 -03001886 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
Johnathon Harriscd9ec302010-01-21 14:36:52 +00001887 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
Christian Gmeinerffe51d02014-09-03 10:33:53 +02001888 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
Jiri Slaby1e762532008-06-24 23:46:21 +02001889 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
Terry Lambertf6a04602011-10-14 17:18:54 -07001890 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02001891#if IS_ENABLED(CONFIG_HID_ROCCAT)
Stefan Achatze68cc6032011-01-06 09:00:34 +01001892 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
Stefan Achatzd41c2a72011-11-24 17:46:24 +01001893 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
Stefan Achatze0788092013-11-08 14:12:00 +01001894 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
Stefan Achatz47dbdbff2010-11-26 19:57:42 +00001896 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
Stefan Achatz8936aa32013-03-10 12:32:44 +01001897 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
Stefan Achatza4be0ed2013-08-30 14:10:07 +02001898 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
Stefan Achatze0788092013-11-08 14:12:00 +01001899 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
Stefan Achatz0e70f972011-01-30 13:38:24 +01001900 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
Stefan Achatz4424f612012-10-16 17:40:09 +02001901 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
Stefan Achatzcb7cf3d2010-08-29 12:30:18 +02001902 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
Stefan Achatz3fce2242011-03-23 18:11:36 +01001903 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
Stefan Achatz6f3a1932013-10-28 18:52:07 +01001904 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1905 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1906 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
Stefan Achatz6a2a6392012-05-20 22:44:54 +02001907 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02001908#endif
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001909#if IS_ENABLED(CONFIG_HID_SAITEK)
Andreas Hübner1e936742012-02-22 02:10:06 +01001910 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001911 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1912 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1913#endif
Jiri Slaby980a3da2008-06-25 22:31:48 +02001914 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
Don Princeb3558502010-05-17 11:42:39 +01001915 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
Jiri Kosinad586dca2011-03-21 13:54:22 +01001916 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
Frank Praznik68a49e52014-11-12 14:52:28 -05001917 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
Colin Leitnerf04d5142013-05-27 23:41:05 +02001918 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1919 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
David Dillow5844c1c2012-09-25 23:02:27 +02001920 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
Jiri Slabybd28ce02008-06-25 23:47:04 +02001921 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Jiri Kosina35dca5b2011-04-28 15:43:13 +02001922 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
Bastien Noceraf9ce7c22010-01-20 12:01:53 +00001923 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Frank Praznik0bd88dd2014-01-11 15:12:42 -05001924 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1925 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +02001926 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
Fernando Luis Vázquez Caoc1e0ac12013-05-01 09:26:23 +09001927 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
Simon Wood75dbb952013-01-31 08:07:07 -07001928 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
Jiri Slaby90231e72008-06-23 21:56:07 +02001929 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
Vivien Didelot30ba2fb2013-01-22 12:01:21 -05001930 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001931 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1932 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
Ruben Aos Garralda7a84b132009-06-29 09:41:29 +02001933 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1934 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001935 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
Markus Rathgeb3ee8f0a2010-03-13 17:29:43 +01001936 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001937 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
Simon Woodd65c3762010-11-29 17:41:23 +01001938 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
Jiri Kosina740363f2012-03-13 09:36:05 +01001939 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
Jarod Wilson44ea35c2011-10-14 16:57:42 -04001940 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
Lev Babievf14f5262009-01-04 00:36:56 +01001941 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
Kees Bakker54001082010-07-13 22:50:51 +02001942 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
Bruno Premont711a6802009-07-13 14:19:58 +02001943 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
Nikolai Kondrashov41fa9232010-08-23 15:09:01 +04001944 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
Nikolai Kondrashovf8a489c2010-08-09 20:44:17 +04001945 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1946 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1947 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
Nikolai Kondrashov6be914f2011-07-06 09:23:41 +03001948 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
Nikolai Kondrashovd1257082012-05-14 20:30:38 +03001949 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
Nikolai Kondrashoveb4e4262012-08-26 20:55:08 +03001950 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
Jussi Kivilinnafac733f2009-05-13 11:54:38 +03001951 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
Sean Young42fc04e2012-02-18 12:53:44 +00001952 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
Sean Youngad395cc2011-08-14 20:42:05 +01001953 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
Sean Young1bcc2062011-10-20 21:26:21 +01001954 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1955 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1956 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04001957 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
Nikolai Kondrashov00e7f962010-09-25 23:16:58 +04001958 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
Nikolai Kondrashov4fdc18d2012-02-06 22:54:20 +02001959 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
Nikolai Kondrashova786e832012-03-06 09:54:24 +02001960 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04001961 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
Nikolai Kondrashov8f1acc32010-08-30 14:06:36 +04001962 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
Nikolai Kondrashovd2ee4dd2012-03-20 16:01:33 +02001963 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
Stefan Kriwanek74bc6952011-05-27 18:40:29 +02001964 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
Olivier Scherlercb2c9e32013-07-27 19:20:02 +02001965 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001966 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1967 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
Don Princea9885c82010-05-14 17:30:59 +01001968 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001969
Jiri Slaby78a849a682008-06-20 21:26:11 +02001970 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
David Herrmann02fb72a2011-07-05 13:45:09 +02001971 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
David Herrmanna33042f2013-04-02 19:58:35 +02001972 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001973 { }
1974};
1975
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01001976struct hid_dynid {
1977 struct list_head list;
1978 struct hid_device_id id;
1979};
1980
1981/**
1982 * store_new_id - add a new HID device ID to this driver and re-probe devices
1983 * @driver: target device driver
1984 * @buf: buffer for scanning device ID data
1985 * @count: input size
1986 *
1987 * Adds a new dynamic hid device ID to this driver,
1988 * and causes the driver to probe for all devices again.
1989 */
1990static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1991 size_t count)
1992{
1993 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1994 struct hid_dynid *dynid;
1995 __u32 bus, vendor, product;
1996 unsigned long driver_data = 0;
1997 int ret;
1998
1999 ret = sscanf(buf, "%x %x %x %lx",
2000 &bus, &vendor, &product, &driver_data);
2001 if (ret < 3)
2002 return -EINVAL;
2003
2004 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2005 if (!dynid)
2006 return -ENOMEM;
2007
2008 dynid->id.bus = bus;
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002009 dynid->id.group = HID_GROUP_ANY;
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002010 dynid->id.vendor = vendor;
2011 dynid->id.product = product;
2012 dynid->id.driver_data = driver_data;
2013
2014 spin_lock(&hdrv->dyn_lock);
2015 list_add_tail(&dynid->list, &hdrv->dyn_list);
2016 spin_unlock(&hdrv->dyn_lock);
2017
Alan Sterncef9bc52012-01-24 13:34:41 -05002018 ret = driver_attach(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002019
2020 return ret ? : count;
2021}
2022static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2023
2024static void hid_free_dynids(struct hid_driver *hdrv)
2025{
2026 struct hid_dynid *dynid, *n;
2027
2028 spin_lock(&hdrv->dyn_lock);
2029 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2030 list_del(&dynid->list);
2031 kfree(dynid);
2032 }
2033 spin_unlock(&hdrv->dyn_lock);
2034}
2035
2036static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2037 struct hid_driver *hdrv)
2038{
2039 struct hid_dynid *dynid;
2040
2041 spin_lock(&hdrv->dyn_lock);
2042 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2043 if (hid_match_one_id(hdev, &dynid->id)) {
2044 spin_unlock(&hdrv->dyn_lock);
2045 return &dynid->id;
2046 }
2047 }
2048 spin_unlock(&hdrv->dyn_lock);
2049
2050 return hid_match_id(hdev, hdrv->id_table);
2051}
2052
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002053static int hid_bus_match(struct device *dev, struct device_driver *drv)
2054{
2055 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2056 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2057
Henrik Rydberg070748e2012-04-23 12:07:05 +02002058 return hid_match_device(hdev, hdrv) != NULL;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002059}
2060
2061static int hid_device_probe(struct device *dev)
2062{
2063 struct hid_driver *hdrv = container_of(dev->driver,
2064 struct hid_driver, driver);
2065 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2066 const struct hid_device_id *id;
2067 int ret = 0;
2068
David Herrmann4ea54542011-08-10 14:02:07 +02002069 if (down_interruptible(&hdev->driver_lock))
2070 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002071 if (down_interruptible(&hdev->driver_input_lock)) {
2072 ret = -EINTR;
2073 goto unlock_driver_lock;
2074 }
2075 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002076
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002077 if (!hdev->driver) {
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002078 id = hid_match_device(hdev, hdrv);
Dan Carpenterba623a72011-08-24 14:27:46 +03002079 if (id == NULL) {
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02002080 ret = -ENODEV;
2081 goto unlock;
Dan Carpenterba623a72011-08-24 14:27:46 +03002082 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002083
Jiri Slabyc500c972008-05-16 11:49:16 +02002084 hdev->driver = hdrv;
2085 if (hdrv->probe) {
2086 ret = hdrv->probe(hdev, id);
2087 } else { /* default probe */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002088 ret = hid_open_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002089 if (!ret)
Jiri Slaby93c10132008-06-27 00:04:24 +02002090 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002091 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002092 if (ret) {
2093 hid_close_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002094 hdev->driver = NULL;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002095 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002096 }
Dan Carpenterba623a72011-08-24 14:27:46 +03002097unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002098 if (!hdev->io_started)
2099 up(&hdev->driver_input_lock);
2100unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002101 up(&hdev->driver_lock);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002102 return ret;
2103}
2104
2105static int hid_device_remove(struct device *dev)
2106{
2107 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
David Herrmann4ea54542011-08-10 14:02:07 +02002108 struct hid_driver *hdrv;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002109 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002110
David Herrmann4ea54542011-08-10 14:02:07 +02002111 if (down_interruptible(&hdev->driver_lock))
2112 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002113 if (down_interruptible(&hdev->driver_input_lock)) {
2114 ret = -EINTR;
2115 goto unlock_driver_lock;
2116 }
2117 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002118
2119 hdrv = hdev->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002120 if (hdrv) {
2121 if (hdrv->remove)
2122 hdrv->remove(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002123 else /* default remove */
2124 hid_hw_stop(hdev);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002125 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002126 hdev->driver = NULL;
2127 }
2128
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002129 if (!hdev->io_started)
2130 up(&hdev->driver_input_lock);
2131unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002132 up(&hdev->driver_lock);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002133 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002134}
2135
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002136static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2137 char *buf)
2138{
2139 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2140 int len;
2141
2142 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2143 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2144
2145 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2146}
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002147static DEVICE_ATTR_RO(modalias);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002148
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002149static struct attribute *hid_dev_attrs[] = {
2150 &dev_attr_modalias.attr,
2151 NULL,
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002152};
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002153ATTRIBUTE_GROUPS(hid_dev);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002154
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002155static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2156{
2157 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2158
2159 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2160 hdev->bus, hdev->vendor, hdev->product))
2161 return -ENOMEM;
2162
2163 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2164 return -ENOMEM;
2165
2166 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2167 return -ENOMEM;
2168
2169 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2170 return -ENOMEM;
2171
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002172 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2173 hdev->bus, hdev->group, hdev->vendor, hdev->product))
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002174 return -ENOMEM;
2175
2176 return 0;
2177}
2178
2179static struct bus_type hid_bus_type = {
2180 .name = "hid",
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002181 .dev_groups = hid_dev_groups,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002182 .match = hid_bus_match,
2183 .probe = hid_device_probe,
2184 .remove = hid_device_remove,
2185 .uevent = hid_uevent,
2186};
2187
Jiri Kosinabae7eb32009-01-28 23:06:37 +01002188/* a list of devices that shouldn't be handled by HID core at all */
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002189static const struct hid_device_id hid_ignore_list[] = {
2190 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2191 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2192 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2193 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2194 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2195 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2196 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2197 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2198 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2199 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2200 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2201 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
Stephane Chatty77f720b2010-02-06 15:17:13 +01002202 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2203 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
Alexey Klimov62a56582008-11-13 05:44:50 +03002204 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
Hans de Goede11030182012-05-15 05:12:44 -03002205 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002206 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2207 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2208 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
Dinesh Ramadc23252013-10-15 12:24:41 -03002209 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002210 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2211 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2212 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
Alexey Klimov5f6108c2008-12-08 12:40:14 +01002213 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002214 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2215 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
Melchior FRANZ73bc7d32010-12-22 02:04:33 +01002216 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
Dan Delaney789aaa22011-11-20 10:21:30 +01002217 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002218 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
Petr Å tetiar70c66562009-12-09 22:09:53 +01002219 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
Petr Å tetiardf506f22010-06-28 09:38:54 -07002220 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
Benjamin Tissoiresb1807712011-11-16 11:39:52 +01002221 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002222 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002223 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2224 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2225 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2226 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2227 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2228 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2229 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2230 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2231 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2232 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2233 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2234 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2235 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2236 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2237 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
Hans de Goede8e2ce732012-05-21 15:24:50 -03002238 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002239 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2240 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2241 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2242 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2243 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2244 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2245 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2246 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2247 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2248 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2249 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2250 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2251 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2252 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2253 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2254 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2255 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2256 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2257 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2258 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2259 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2260 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2261 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2262 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2263 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2264 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2265 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2266 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2267 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2268 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2269 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2270 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2271 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2272 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2273 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2274 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2275 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2276 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2277 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2278 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2279 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2280 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2281 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2282 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2283 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2284 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2285 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
Vincent Palatin31b97792013-05-22 14:39:50 -07002286 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2287 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
Patrick Plattes43c1a0a2014-07-05 08:58:06 +02002288 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002289 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
Alexey Klimovc91c21c2008-11-13 10:36:11 +01002290 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002291 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
Lamarque Vieira Souzaeb8141c2009-10-02 15:04:44 +02002292 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002293 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002294 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002295 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002296 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002297 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002298 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2299 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2300 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2301 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2302 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2303 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002304 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2305 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2306 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
Michael Hundce97cac2011-05-03 10:12:00 -07002307 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2308 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2309 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002310 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2311 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
Michael Hundce97cac2011-05-03 10:12:00 -07002312 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002313 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2314 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2315 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2316 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2317 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
Michael Hundce97cac2011-05-03 10:12:00 -07002318 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2319 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2320 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2321 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2322 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2323 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2324 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
Yuri Khan3ffb62c2012-07-11 00:49:18 -07002325 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002326 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2327 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002328 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2329 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2330 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2331 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2332 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2333 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2334 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2335 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2336 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2337 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2338 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2339 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2340 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2341 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2342 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2343 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2344 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
Henning Glawe4cfae3e2009-08-02 22:18:12 +02002345 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
Michael Tokarev35cfd1d2009-02-01 16:11:04 +01002346 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
Jan Steinhoff8491ee12012-02-03 00:21:31 -08002347#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2348 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2349 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2350 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2351 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2352 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2353 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2354 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2355 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2356#endif
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002357 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2358 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2359 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2360 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2361 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002362 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2363 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2364 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2365 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
Christian Vogel759db9e2014-02-12 20:56:00 +01002366 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002367 { }
2368};
2369
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002370/**
2371 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2372 *
2373 * There are composite devices for which we want to ignore only a certain
2374 * interface. This is a list of devices for which only the mouse interface will
2375 * be ignored. This allows a dedicated driver to take care of the interface.
2376 */
2377static const struct hid_device_id hid_mouse_ignore_list[] = {
2378 /* appletouch driver */
2379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2385 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2388 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2391 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2393 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2394 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2396 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2397 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Jiri Kosinaac26fca2008-11-20 11:27:02 +01002399 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04002402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08002408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03002411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2412 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2413 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Jiri Kosina4b086912011-10-04 14:01:12 +02002414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2415 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2416 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2417 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2418 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2419 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07002420 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2421 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2422 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07002423 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2425 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07002426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2427 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002429 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2430 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2431 { }
2432};
2433
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002434bool hid_ignore(struct hid_device *hdev)
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002435{
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002436 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2437 return false;
2438 if (hdev->quirks & HID_QUIRK_IGNORE)
2439 return true;
2440
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002441 switch (hdev->vendor) {
2442 case USB_VENDOR_ID_CODEMERCS:
2443 /* ignore all Code Mercenaries IOWarrior devices */
2444 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2445 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2446 return true;
2447 break;
2448 case USB_VENDOR_ID_LOGITECH:
2449 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2450 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2451 return true;
Hans Verkuil65dd3b62012-01-13 11:15:22 -03002452 /*
2453 * The Keene FM transmitter USB device has the same USB ID as
2454 * the Logitech AudioHub Speaker, but it should ignore the hid.
2455 * Check if the name is that of the Keene device.
2456 * For reference: the name of the AudioHub is
2457 * "HOLTEK AudioHub Speaker".
2458 */
2459 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2460 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2461 return true;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002462 break;
Jarod Wilson31f7fd72009-07-31 10:56:36 -04002463 case USB_VENDOR_ID_SOUNDGRAPH:
2464 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2465 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2466 return true;
2467 break;
Xing Weibba53942010-09-01 23:25:35 -07002468 case USB_VENDOR_ID_HANWANG:
2469 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2470 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2471 return true;
2472 break;
Tomoki Sekiyama6dc14182011-05-23 15:45:44 -07002473 case USB_VENDOR_ID_JESS:
2474 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2475 hdev->type == HID_TYPE_USBNONE)
2476 return true;
Forest Bond729b8142012-11-06 13:41:22 -05002477 break;
Ian Abbott30b6b7d82013-02-13 13:22:45 +00002478 case USB_VENDOR_ID_VELLEMAN:
2479 /* These are not HID devices. They are handled by comedi. */
2480 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2481 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2482 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2483 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2484 return true;
2485 break;
Alexey Klimov5b4617d2013-03-28 00:07:29 +04002486 case USB_VENDOR_ID_ATMEL_V_USB:
2487 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2488 * it has the same USB ID as many Atmel V-USB devices. This
2489 * usb radio is handled by radio-ma901.c driver so we want
2490 * ignore the hid. Check the name, bus, product and ignore
2491 * if we have MA901 usb radio.
2492 */
2493 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2494 hdev->bus == BUS_USB &&
2495 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2496 return true;
2497 break;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002498 }
2499
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002500 if (hdev->type == HID_TYPE_USBMOUSE &&
2501 hid_match_id(hdev, hid_mouse_ignore_list))
2502 return true;
2503
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002504 return !!hid_match_id(hdev, hid_ignore_list);
2505}
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002506EXPORT_SYMBOL_GPL(hid_ignore);
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002507
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002508int hid_add_device(struct hid_device *hdev)
2509{
2510 static atomic_t id = ATOMIC_INIT(0);
2511 int ret;
2512
2513 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2514 return -EBUSY;
2515
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002516 /* we need to kill them here, otherwise they will stay allocated to
2517 * wait for coming driver */
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002518 if (hid_ignore(hdev))
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002519 return -ENODEV;
2520
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002521 /*
Benjamin Tissoires3c867262014-02-20 15:24:49 -05002522 * Check for the mandatory transport channel.
2523 */
2524 if (!hdev->ll_driver->raw_request) {
2525 hid_err(hdev, "transport driver missing .raw_request()\n");
2526 return -EINVAL;
2527 }
2528
2529 /*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002530 * Read the device report descriptor once and use as template
2531 * for the driver-specific modifications.
2532 */
2533 ret = hdev->ll_driver->parse(hdev);
2534 if (ret)
2535 return ret;
2536 if (!hdev->dev_rdesc)
2537 return -ENODEV;
2538
Henrik Rydberg734c6602012-04-23 12:07:03 +02002539 /*
2540 * Scan generic devices for group information
2541 */
2542 if (hid_ignore_special_drivers ||
2543 !hid_match_id(hdev, hid_have_special_driver)) {
2544 ret = hid_scan_report(hdev);
2545 if (ret)
2546 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2547 }
2548
Kay Sievers6bbe5862008-10-31 00:12:32 +01002549 /* XXX hack, any other cleaner solution after the driver core
2550 * is converted to allow more than 20 bytes as the device name? */
2551 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2552 hdev->vendor, hdev->product, atomic_inc_return(&id));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002553
Bruno Prémont4da361b2010-03-15 14:55:40 +01002554 hid_debug_register(hdev, dev_name(&hdev->dev));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002555 ret = device_add(&hdev->dev);
2556 if (!ret)
2557 hdev->status |= HID_STAT_ADDED;
Bruno Prémont4da361b2010-03-15 14:55:40 +01002558 else
2559 hid_debug_unregister(hdev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002560
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002561 return ret;
2562}
2563EXPORT_SYMBOL_GPL(hid_add_device);
2564
2565/**
2566 * hid_allocate_device - allocate new hid device descriptor
2567 *
2568 * Allocate and initialize hid device, so that hid_destroy_device might be
2569 * used to free it.
2570 *
2571 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2572 * error value.
2573 */
2574struct hid_device *hid_allocate_device(void)
2575{
2576 struct hid_device *hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002577 int ret = -ENOMEM;
2578
2579 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2580 if (hdev == NULL)
2581 return ERR_PTR(ret);
2582
2583 device_initialize(&hdev->dev);
2584 hdev->dev.release = hid_device_release;
2585 hdev->dev.bus = &hid_bus_type;
2586
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002587 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002588
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002589 init_waitqueue_head(&hdev->debug_wait);
2590 INIT_LIST_HEAD(&hdev->debug_list);
Jiri Kosina1deb9d32013-05-06 13:05:50 +02002591 spin_lock_init(&hdev->debug_list_lock);
David Herrmann4ea54542011-08-10 14:02:07 +02002592 sema_init(&hdev->driver_lock, 1);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002593 sema_init(&hdev->driver_input_lock, 1);
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002594
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002595 return hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002596}
2597EXPORT_SYMBOL_GPL(hid_allocate_device);
2598
2599static void hid_remove_device(struct hid_device *hdev)
2600{
2601 if (hdev->status & HID_STAT_ADDED) {
2602 device_del(&hdev->dev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002603 hid_debug_unregister(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002604 hdev->status &= ~HID_STAT_ADDED;
2605 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002606 kfree(hdev->dev_rdesc);
2607 hdev->dev_rdesc = NULL;
2608 hdev->dev_rsize = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002609}
2610
2611/**
2612 * hid_destroy_device - free previously allocated device
2613 *
2614 * @hdev: hid device
2615 *
2616 * If you allocate hid_device through hid_allocate_device, you should ever
2617 * free by this function.
2618 */
2619void hid_destroy_device(struct hid_device *hdev)
2620{
2621 hid_remove_device(hdev);
2622 put_device(&hdev->dev);
2623}
2624EXPORT_SYMBOL_GPL(hid_destroy_device);
2625
2626int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2627 const char *mod_name)
2628{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002629 int ret;
2630
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002631 hdrv->driver.name = hdrv->name;
2632 hdrv->driver.bus = &hid_bus_type;
2633 hdrv->driver.owner = owner;
2634 hdrv->driver.mod_name = mod_name;
2635
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002636 INIT_LIST_HEAD(&hdrv->dyn_list);
2637 spin_lock_init(&hdrv->dyn_lock);
2638
2639 ret = driver_register(&hdrv->driver);
2640 if (ret)
2641 return ret;
2642
2643 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2644 if (ret)
2645 driver_unregister(&hdrv->driver);
2646
2647 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002648}
2649EXPORT_SYMBOL_GPL(__hid_register_driver);
2650
2651void hid_unregister_driver(struct hid_driver *hdrv)
2652{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002653 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002654 driver_unregister(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002655 hid_free_dynids(hdrv);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002656}
2657EXPORT_SYMBOL_GPL(hid_unregister_driver);
2658
Oliver Neukum0361a282008-12-17 15:38:03 +01002659int hid_check_keys_pressed(struct hid_device *hid)
2660{
2661 struct hid_input *hidinput;
2662 int i;
2663
Jiri Kosinae5288eb2009-05-02 00:02:57 +02002664 if (!(hid->claimed & HID_CLAIMED_INPUT))
2665 return 0;
2666
Oliver Neukum0361a282008-12-17 15:38:03 +01002667 list_for_each_entry(hidinput, &hid->inputs, list) {
2668 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2669 if (hidinput->input->key[i])
2670 return 1;
2671 }
2672
2673 return 0;
2674}
2675
2676EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2677
Jiri Kosina86166b72007-05-14 09:57:40 +02002678static int __init hid_init(void)
2679{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002680 int ret;
2681
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002682 if (hid_debug)
Joe Perches4291ee32010-12-09 19:29:03 -08002683 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2684 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002685
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002686 ret = bus_register(&hid_bus_type);
2687 if (ret) {
Joe Perches4291ee32010-12-09 19:29:03 -08002688 pr_err("can't register hid bus\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002689 goto err;
2690 }
2691
2692 ret = hidraw_init();
2693 if (ret)
2694 goto err_bus;
2695
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002696 hid_debug_init();
2697
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002698 return 0;
2699err_bus:
2700 bus_unregister(&hid_bus_type);
2701err:
2702 return ret;
Jiri Kosina86166b72007-05-14 09:57:40 +02002703}
2704
2705static void __exit hid_exit(void)
2706{
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002707 hid_debug_exit();
Jiri Kosina86166b72007-05-14 09:57:40 +02002708 hidraw_exit();
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002709 bus_unregister(&hid_bus_type);
Jiri Kosina86166b72007-05-14 09:57:40 +02002710}
2711
2712module_init(hid_init);
2713module_exit(hid_exit);
2714
Jiri Kosina88adb722009-10-02 18:29:34 +02002715MODULE_AUTHOR("Andreas Gal");
2716MODULE_AUTHOR("Vojtech Pavlik");
2717MODULE_AUTHOR("Jiri Kosina");
Jiri Kosinaaa938f72006-12-08 18:41:10 +01002718MODULE_LICENSE(DRIVER_LICENSE);
2719