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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);
55MODULE_PARM_DESC(debug, "Ignore any special drivers and handle all devices by generic driver");
56
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) &&
786 (hid->group == HID_GROUP_GENERIC))
787 /* hid-rmi should take care of them, not hid-generic */
788 hid->group = HID_GROUP_RMI;
789
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200790 vfree(parser);
Henrik Rydberg734c6602012-04-23 12:07:03 +0200791 return 0;
792}
793
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200794/**
795 * hid_parse_report - parse device report
796 *
797 * @device: hid device
798 * @start: report start
799 * @size: report size
800 *
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200801 * Allocate the device report as read by the bus driver. This function should
802 * only be called from parse() in ll drivers.
803 */
804int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
805{
806 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
807 if (!hid->dev_rdesc)
808 return -ENOMEM;
809 hid->dev_rsize = size;
810 return 0;
811}
812EXPORT_SYMBOL_GPL(hid_parse_report);
813
Kees Cook331415f2013-09-11 21:56:50 +0200814static const char * const hid_report_names[] = {
815 "HID_INPUT_REPORT",
816 "HID_OUTPUT_REPORT",
817 "HID_FEATURE_REPORT",
818};
819/**
820 * hid_validate_values - validate existing device report's value indexes
821 *
822 * @device: hid device
823 * @type: which report type to examine
824 * @id: which report ID to examine (0 for first)
825 * @field_index: which report field to examine
826 * @report_counts: expected number of values
827 *
828 * Validate the number of values in a given field of a given report, after
829 * parsing.
830 */
831struct hid_report *hid_validate_values(struct hid_device *hid,
832 unsigned int type, unsigned int id,
833 unsigned int field_index,
834 unsigned int report_counts)
835{
836 struct hid_report *report;
837
838 if (type > HID_FEATURE_REPORT) {
839 hid_err(hid, "invalid HID report type %u\n", type);
840 return NULL;
841 }
842
843 if (id >= HID_MAX_IDS) {
844 hid_err(hid, "invalid HID report id %u\n", id);
845 return NULL;
846 }
847
848 /*
849 * Explicitly not using hid_get_report() here since it depends on
850 * ->numbered being checked, which may not always be the case when
851 * drivers go to access report values.
852 */
Kees Cook1b15d2e2014-04-17 13:22:09 -0700853 if (id == 0) {
854 /*
855 * Validating on id 0 means we should examine the first
856 * report in the list.
857 */
858 report = list_entry(
859 hid->report_enum[type].report_list.next,
860 struct hid_report, list);
861 } else {
862 report = hid->report_enum[type].report_id_hash[id];
863 }
Kees Cook331415f2013-09-11 21:56:50 +0200864 if (!report) {
865 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
866 return NULL;
867 }
868 if (report->maxfield <= field_index) {
869 hid_err(hid, "not enough fields in %s %u\n",
870 hid_report_names[type], id);
871 return NULL;
872 }
873 if (report->field[field_index]->report_count < report_counts) {
874 hid_err(hid, "not enough values in %s %u field %u\n",
875 hid_report_names[type], id, field_index);
876 return NULL;
877 }
878 return report;
879}
880EXPORT_SYMBOL_GPL(hid_validate_values);
881
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200882/**
883 * hid_open_report - open a driver-specific device report
884 *
885 * @device: hid device
886 *
Jiri Kosinadde58452006-12-08 18:40:44 +0100887 * Parse a report description into a hid_device structure. Reports are
888 * enumerated, fields are attached to these reports.
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200889 * 0 returned on success, otherwise nonzero error value.
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200890 *
891 * This function (or the equivalent hid_parse() macro) should only be
892 * called from probe() in drivers, before starting the device.
Jiri Kosinadde58452006-12-08 18:40:44 +0100893 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200894int hid_open_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +0100895{
Jiri Kosinadde58452006-12-08 18:40:44 +0100896 struct hid_parser *parser;
897 struct hid_item item;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200898 unsigned int size;
899 __u8 *start;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700900 __u8 *buf;
Jiri Kosinadde58452006-12-08 18:40:44 +0100901 __u8 *end;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200902 int ret;
Jiri Kosinadde58452006-12-08 18:40:44 +0100903 static int (*dispatch_type[])(struct hid_parser *parser,
904 struct hid_item *item) = {
905 hid_parser_main,
906 hid_parser_global,
907 hid_parser_local,
908 hid_parser_reserved
909 };
910
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200911 if (WARN_ON(device->status & HID_STAT_PARSED))
912 return -EBUSY;
913
914 start = device->dev_rdesc;
915 if (WARN_ON(!start))
916 return -ENODEV;
917 size = device->dev_rsize;
918
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700919 buf = kmemdup(start, size, GFP_KERNEL);
920 if (buf == NULL)
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200921 return -ENOMEM;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700922
923 if (device->driver->report_fixup)
924 start = device->driver->report_fixup(device, buf, &size);
925 else
926 start = buf;
927
928 start = kmemdup(start, size, GFP_KERNEL);
929 kfree(buf);
930 if (start == NULL)
931 return -ENOMEM;
932
933 device->rdesc = start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100934 device->rsize = size;
935
Joe Perchesfe258022010-12-09 19:29:04 -0800936 parser = vzalloc(sizeof(struct hid_parser));
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200937 if (!parser) {
938 ret = -ENOMEM;
939 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100940 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200941
Jiri Kosinadde58452006-12-08 18:40:44 +0100942 parser->device = device;
943
944 end = start + size;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200945
946 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
947 sizeof(struct hid_collection), GFP_KERNEL);
948 if (!device->collection) {
949 ret = -ENOMEM;
950 goto err;
951 }
952 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
953
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200954 ret = -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100955 while ((start = fetch_item(start, end, &item)) != NULL) {
956
957 if (item.format != HID_ITEM_FORMAT_SHORT) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100958 hid_err(device, "unexpected long global item\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200959 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100960 }
961
962 if (dispatch_type[item.type](parser, &item)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100963 hid_err(device, "item %u %u %u %u parsing failed\n",
Joe Perches4291ee32010-12-09 19:29:03 -0800964 item.format, (unsigned)item.size,
965 (unsigned)item.type, (unsigned)item.tag);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200966 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100967 }
968
969 if (start == end) {
970 if (parser->collection_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100971 hid_err(device, "unbalanced collection at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200972 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100973 }
974 if (parser->local.delimiter_depth) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100975 hid_err(device, "unbalanced delimiter at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200976 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100977 }
Jiri Kosina47a80ed2007-03-12 14:55:12 +0100978 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200979 device->status |= HID_STAT_PARSED;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200980 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100981 }
982 }
983
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100984 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200985err:
Jiri Kosina47a80ed2007-03-12 14:55:12 +0100986 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200987 hid_close_report(device);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200988 return ret;
Jiri Kosinadde58452006-12-08 18:40:44 +0100989}
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200990EXPORT_SYMBOL_GPL(hid_open_report);
Jiri Kosinadde58452006-12-08 18:40:44 +0100991
992/*
993 * Convert a signed n-bit integer to signed 32-bit integer. Common
994 * cases are done through the compiler, the screwed things has to be
995 * done by hand.
996 */
997
998static s32 snto32(__u32 value, unsigned n)
999{
1000 switch (n) {
Jiri Slaby880d29f2008-06-18 23:55:41 +02001001 case 8: return ((__s8)value);
1002 case 16: return ((__s16)value);
1003 case 32: return ((__s32)value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001004 }
1005 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1006}
1007
Benjamin Tissoires77463832012-11-14 16:59:15 +01001008s32 hid_snto32(__u32 value, unsigned n)
1009{
1010 return snto32(value, n);
1011}
1012EXPORT_SYMBOL_GPL(hid_snto32);
1013
Jiri Kosinadde58452006-12-08 18:40:44 +01001014/*
1015 * Convert a signed 32-bit integer to a signed n-bit integer.
1016 */
1017
1018static u32 s32ton(__s32 value, unsigned n)
1019{
1020 s32 a = value >> (n - 1);
1021 if (a && a != -1)
1022 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1023 return value & ((1 << n) - 1);
1024}
1025
1026/*
1027 * Extract/implement a data field from/to a little endian report (bit array).
1028 *
1029 * Code sort-of follows HID spec:
1030 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1031 *
1032 * While the USB HID spec allows unlimited length bit fields in "report
1033 * descriptors", most devices never use more than 16 bits.
1034 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1035 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1036 */
1037
Joe Perches16ee4cc2010-12-09 19:29:05 -08001038static __u32 extract(const struct hid_device *hid, __u8 *report,
1039 unsigned offset, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001040{
1041 u64 x;
1042
Jiri Kosinac4124c92007-11-30 11:12:58 +01001043 if (n > 32)
Joe Perches4291ee32010-12-09 19:29:03 -08001044 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1045 n, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001046
1047 report += offset >> 3; /* adjust byte index */
Jiri Kosina229695e2006-12-08 18:40:53 +01001048 offset &= 7; /* now only need bit offset into one byte */
Harvey Harrisonc1050682008-04-29 01:03:31 -07001049 x = get_unaligned_le64(report);
Jiri Kosina229695e2006-12-08 18:40:53 +01001050 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
Jiri Kosinadde58452006-12-08 18:40:44 +01001051 return (u32) x;
1052}
1053
1054/*
1055 * "implement" : set bits in a little endian bit stream.
1056 * Same concepts as "extract" (see comments above).
1057 * The data mangled in the bit stream remains in little endian
1058 * order the whole time. It make more sense to talk about
1059 * endianness of register values by considering a register
1060 * a "cached" copy of the little endiad bit stream.
1061 */
Joe Perches16ee4cc2010-12-09 19:29:05 -08001062static void implement(const struct hid_device *hid, __u8 *report,
1063 unsigned offset, unsigned n, __u32 value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001064{
Harvey Harrison6f0168d2008-05-16 11:00:23 +02001065 u64 x;
Jiri Kosinadde58452006-12-08 18:40:44 +01001066 u64 m = (1ULL << n) - 1;
1067
Jiri Kosinac4124c92007-11-30 11:12:58 +01001068 if (n > 32)
Joe Perches4291ee32010-12-09 19:29:03 -08001069 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1070 __func__, n, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001071
Jiri Kosinac4124c92007-11-30 11:12:58 +01001072 if (value > m)
Joe Perches4291ee32010-12-09 19:29:03 -08001073 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1074 __func__, value, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001075 WARN_ON(value > m);
1076 value &= m;
1077
1078 report += offset >> 3;
1079 offset &= 7;
1080
Harvey Harrison6f0168d2008-05-16 11:00:23 +02001081 x = get_unaligned_le64(report);
1082 x &= ~(m << offset);
1083 x |= ((u64)value) << offset;
1084 put_unaligned_le64(x, report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001085}
1086
1087/*
1088 * Search an array for a value.
1089 */
1090
Joe Perches16ee4cc2010-12-09 19:29:05 -08001091static int search(__s32 *array, __s32 value, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001092{
1093 while (n--) {
1094 if (*array++ == value)
1095 return 0;
1096 }
1097 return -1;
1098}
1099
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001100/**
1101 * hid_match_report - check if driver's raw_event should be called
1102 *
1103 * @hid: hid device
1104 * @report_type: type to match against
1105 *
1106 * compare hid->driver->report_table->report_type to report->type
1107 */
1108static int hid_match_report(struct hid_device *hid, struct hid_report *report)
Jiri Kosinadde58452006-12-08 18:40:44 +01001109{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001110 const struct hid_report_id *id = hid->driver->report_table;
1111
1112 if (!id) /* NULL means all */
1113 return 1;
1114
1115 for (; id->report_type != HID_TERMINATOR; id++)
1116 if (id->report_type == HID_ANY_ID ||
1117 id->report_type == report->type)
1118 return 1;
1119 return 0;
1120}
1121
1122/**
1123 * hid_match_usage - check if driver's event should be called
1124 *
1125 * @hid: hid device
1126 * @usage: usage to match against
1127 *
1128 * compare hid->driver->usage_table->usage_{type,code} to
1129 * usage->usage_{type,code}
1130 */
1131static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1132{
1133 const struct hid_usage_id *id = hid->driver->usage_table;
1134
1135 if (!id) /* NULL means all */
1136 return 1;
1137
1138 for (; id->usage_type != HID_ANY_ID - 1; id++)
1139 if ((id->usage_hid == HID_ANY_ID ||
1140 id->usage_hid == usage->hid) &&
1141 (id->usage_type == HID_ANY_ID ||
1142 id->usage_type == usage->type) &&
1143 (id->usage_code == HID_ANY_ID ||
1144 id->usage_code == usage->code))
1145 return 1;
1146 return 0;
1147}
1148
1149static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1150 struct hid_usage *usage, __s32 value, int interrupt)
1151{
1152 struct hid_driver *hdrv = hid->driver;
1153 int ret;
1154
Henrik Rydberg9bfc8da2012-09-01 21:47:11 +02001155 if (!list_empty(&hid->debug_list))
1156 hid_dump_input(hid, usage, value);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001157
1158 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1159 ret = hdrv->event(hid, field, usage, value);
1160 if (ret != 0) {
1161 if (ret < 0)
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001162 hid_err(hid, "%s's event failed with %d\n",
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001163 hdrv->name, ret);
1164 return;
1165 }
1166 }
1167
Jiri Kosinadde58452006-12-08 18:40:44 +01001168 if (hid->claimed & HID_CLAIMED_INPUT)
1169 hidinput_hid_event(hid, field, usage, value);
Jiri Kosinaaa938f72006-12-08 18:41:10 +01001170 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1171 hid->hiddev_hid_event(hid, field, usage, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001172}
1173
1174/*
1175 * Analyse a received field, and fetch the data from it. The field
1176 * content is stored for next report processing (we do differential
1177 * reporting to the layer).
1178 */
1179
Adrian Bunkabdff0f2008-03-31 01:53:56 +02001180static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1181 __u8 *data, int interrupt)
Jiri Kosinadde58452006-12-08 18:40:44 +01001182{
1183 unsigned n;
1184 unsigned count = field->report_count;
1185 unsigned offset = field->report_offset;
1186 unsigned size = field->report_size;
1187 __s32 min = field->logical_minimum;
1188 __s32 max = field->logical_maximum;
1189 __s32 *value;
1190
Joe Perchesa3789a12010-12-09 19:29:07 -08001191 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1192 if (!value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001193 return;
1194
1195 for (n = 0; n < count; n++) {
1196
Joe Perches4291ee32010-12-09 19:29:03 -08001197 value[n] = min < 0 ?
1198 snto32(extract(hid, data, offset + n * size, size),
1199 size) :
1200 extract(hid, data, offset + n * size, size);
Jiri Kosinadde58452006-12-08 18:40:44 +01001201
Joe Perches4291ee32010-12-09 19:29:03 -08001202 /* Ignore report if ErrorRollOver */
1203 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1204 value[n] >= min && value[n] <= max &&
1205 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1206 goto exit;
Jiri Kosinadde58452006-12-08 18:40:44 +01001207 }
1208
1209 for (n = 0; n < count; n++) {
1210
1211 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1212 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1213 continue;
1214 }
1215
1216 if (field->value[n] >= min && field->value[n] <= max
1217 && field->usage[field->value[n] - min].hid
1218 && search(value, field->value[n], count))
1219 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1220
1221 if (value[n] >= min && value[n] <= max
1222 && field->usage[value[n] - min].hid
1223 && search(field->value, value[n], count))
1224 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1225 }
1226
1227 memcpy(field->value, value, count * sizeof(__s32));
1228exit:
1229 kfree(value);
1230}
Jiri Kosinadde58452006-12-08 18:40:44 +01001231
1232/*
1233 * Output the field into the report.
1234 */
1235
Joe Perches4291ee32010-12-09 19:29:03 -08001236static void hid_output_field(const struct hid_device *hid,
1237 struct hid_field *field, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001238{
1239 unsigned count = field->report_count;
1240 unsigned offset = field->report_offset;
1241 unsigned size = field->report_size;
1242 unsigned n;
1243
1244 for (n = 0; n < count; n++) {
1245 if (field->logical_minimum < 0) /* signed values */
Joe Perches4291ee32010-12-09 19:29:03 -08001246 implement(hid, data, offset + n * size, size,
1247 s32ton(field->value[n], size));
Jiri Kosinadde58452006-12-08 18:40:44 +01001248 else /* unsigned values */
Joe Perches4291ee32010-12-09 19:29:03 -08001249 implement(hid, data, offset + n * size, size,
1250 field->value[n]);
Jiri Kosinadde58452006-12-08 18:40:44 +01001251 }
1252}
1253
1254/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001255 * Create a report. 'data' has to be allocated using
1256 * hid_alloc_report_buf() so that it has proper size.
Jiri Kosinadde58452006-12-08 18:40:44 +01001257 */
1258
Jiri Kosina229695e2006-12-08 18:40:53 +01001259void hid_output_report(struct hid_report *report, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001260{
1261 unsigned n;
1262
1263 if (report->id > 0)
1264 *data++ = report->id;
1265
Pete Zaitcev75c28df2010-04-12 12:16:11 -06001266 memset(data, 0, ((report->size - 1) >> 3) + 1);
Jiri Kosinadde58452006-12-08 18:40:44 +01001267 for (n = 0; n < report->maxfield; n++)
Joe Perches4291ee32010-12-09 19:29:03 -08001268 hid_output_field(report->device, report->field[n], data);
Jiri Kosinadde58452006-12-08 18:40:44 +01001269}
Jiri Kosina229695e2006-12-08 18:40:53 +01001270EXPORT_SYMBOL_GPL(hid_output_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001271
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001272static int hid_report_len(struct hid_report *report)
1273{
Benjamin Tissoires19e4ec52014-04-30 17:48:40 -04001274 /* equivalent to DIV_ROUND_UP(report->size, 8) + !!(report->id > 0) */
1275 return ((report->size - 1) >> 3) + 1 + (report->id > 0);
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001276}
1277
Jiri Kosinadde58452006-12-08 18:40:44 +01001278/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001279 * Allocator for buffer that is going to be passed to hid_output_report()
1280 */
1281u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1282{
1283 /*
1284 * 7 extra bytes are necessary to achieve proper functionality
1285 * of implement() working on 8 byte chunks
1286 */
1287
Benjamin Tissoires19e4ec52014-04-30 17:48:40 -04001288 int len = hid_report_len(report) + 7;
Jiri Kosina27ce4052013-07-10 19:56:27 +02001289
1290 return kmalloc(len, flags);
1291}
1292EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1293
1294/*
Jiri Kosinadde58452006-12-08 18:40:44 +01001295 * Set a field value. The report this field belongs to has to be
1296 * created and transferred to the device, to set this value in the
1297 * device.
1298 */
1299
1300int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1301{
Kees Cookbe67b682013-08-28 22:32:01 +02001302 unsigned size;
1303
1304 if (!field)
1305 return -1;
1306
1307 size = field->report_size;
Jiri Kosinadde58452006-12-08 18:40:44 +01001308
Jiri Kosinacd667ce2009-06-12 15:20:57 +02001309 hid_dump_input(field->report->device, field->usage + offset, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001310
1311 if (offset >= field->report_count) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001312 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1313 offset, field->report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +01001314 return -1;
1315 }
1316 if (field->logical_minimum < 0) {
1317 if (value != snto32(s32ton(value, size), size)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001318 hid_err(field->report->device, "value %d is out of range\n", value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001319 return -1;
1320 }
1321 }
1322 field->value[offset] = value;
1323 return 0;
1324}
Jiri Kosina229695e2006-12-08 18:40:53 +01001325EXPORT_SYMBOL_GPL(hid_set_field);
Jiri Kosinadde58452006-12-08 18:40:44 +01001326
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001327static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1328 const u8 *data)
1329{
1330 struct hid_report *report;
1331 unsigned int n = 0; /* Normally report number is 0 */
1332
1333 /* Device uses numbered reports, data[0] is report number */
1334 if (report_enum->numbered)
1335 n = *data;
1336
1337 report = report_enum->report_id_hash[n];
1338 if (report == NULL)
1339 dbg_hid("undefined report_id %u received\n", n);
1340
1341 return report;
1342}
1343
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001344/*
1345 * Implement a generic .request() callback, using .raw_request()
1346 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1347 */
1348void __hid_request(struct hid_device *hid, struct hid_report *report,
1349 int reqtype)
1350{
1351 char *buf;
1352 int ret;
1353 int len;
1354
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001355 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1356 if (!buf)
1357 return;
1358
1359 len = hid_report_len(report);
1360
1361 if (reqtype == HID_REQ_SET_REPORT)
1362 hid_output_report(report, buf);
1363
1364 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1365 report->type, reqtype);
1366 if (ret < 0) {
1367 dbg_hid("unable to complete request: %d\n", ret);
1368 goto out;
1369 }
1370
1371 if (reqtype == HID_REQ_GET_REPORT)
1372 hid_input_report(hid, report->type, buf, ret, 0);
1373
1374out:
1375 kfree(buf);
1376}
1377EXPORT_SYMBOL_GPL(__hid_request);
1378
Jiri Kosinab6787242012-04-27 00:56:08 +02001379int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001380 int interrupt)
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001381{
1382 struct hid_report_enum *report_enum = hid->report_enum + type;
1383 struct hid_report *report;
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001384 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001385 unsigned int a;
1386 int rsize, csize = size;
1387 u8 *cdata = data;
Jiri Kosinab6787242012-04-27 00:56:08 +02001388 int ret = 0;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001389
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001390 report = hid_get_report(report_enum, data);
1391 if (!report)
Jiri Kosinab6787242012-04-27 00:56:08 +02001392 goto out;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001393
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001394 if (report_enum->numbered) {
1395 cdata++;
1396 csize--;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001397 }
1398
1399 rsize = ((report->size - 1) >> 3) + 1;
1400
Armando Visconti966922f2011-05-19 21:41:22 +02001401 if (rsize > HID_MAX_BUFFER_SIZE)
1402 rsize = HID_MAX_BUFFER_SIZE;
1403
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001404 if (csize < rsize) {
1405 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1406 csize, rsize);
1407 memset(cdata + csize, 0, rsize - csize);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001408 }
1409
1410 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1411 hid->hiddev_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001412 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1413 ret = hidraw_report_event(hid, data, size);
1414 if (ret)
1415 goto out;
1416 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001417
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +02001418 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001419 for (a = 0; a < report->maxfield; a++)
1420 hid_input_field(hid, report->field[a], cdata, interrupt);
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001421 hdrv = hid->driver;
1422 if (hdrv && hdrv->report)
1423 hdrv->report(hid, report);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001424 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001425
1426 if (hid->claimed & HID_CLAIMED_INPUT)
1427 hidinput_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001428out:
1429 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001430}
1431EXPORT_SYMBOL_GPL(hid_report_raw_event);
1432
1433/**
1434 * hid_input_report - report data from lower layer (usb, bt...)
1435 *
1436 * @hid: hid device
1437 * @type: HID report type (HID_*_REPORT)
1438 * @data: report contents
1439 * @size: size of data parameter
Jiri Kosinaff9b00a2009-10-01 16:03:13 +02001440 * @interrupt: distinguish between interrupt and control transfers
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001441 *
1442 * This is data entry for lower layers.
1443 */
1444int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1445{
Julia Lawall76c317d2009-07-19 17:26:13 +02001446 struct hid_report_enum *report_enum;
1447 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001448 struct hid_report *report;
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001449 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001450
David Herrmann4ea54542011-08-10 14:02:07 +02001451 if (!hid)
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001452 return -ENODEV;
David Herrmann4ea54542011-08-10 14:02:07 +02001453
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001454 if (down_trylock(&hid->driver_input_lock))
David Herrmann4ea54542011-08-10 14:02:07 +02001455 return -EBUSY;
1456
1457 if (!hid->driver) {
1458 ret = -ENODEV;
1459 goto unlock;
1460 }
Julia Lawall76c317d2009-07-19 17:26:13 +02001461 report_enum = hid->report_enum + type;
1462 hdrv = hid->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001463
1464 if (!size) {
1465 dbg_hid("empty report\n");
David Herrmann4ea54542011-08-10 14:02:07 +02001466 ret = -1;
1467 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001468 }
1469
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001470 /* Avoid unnecessary overhead if debugfs is disabled */
Benjamin Tissoiresa5f04b92013-04-17 19:38:13 +02001471 if (!list_empty(&hid->debug_list))
1472 hid_dump_report(hid, type, data, size);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001473
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001474 report = hid_get_report(report_enum, data);
1475
David Herrmann4ea54542011-08-10 14:02:07 +02001476 if (!report) {
1477 ret = -1;
1478 goto unlock;
1479 }
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001480
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001481 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1482 ret = hdrv->raw_event(hid, report, data, size);
Felix Rueegg556483e2013-10-08 19:33:47 +02001483 if (ret < 0)
David Herrmann4ea54542011-08-10 14:02:07 +02001484 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001485 }
1486
Jiri Kosinab6787242012-04-27 00:56:08 +02001487 ret = hid_report_raw_event(hid, type, data, size, interrupt);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001488
David Herrmann4ea54542011-08-10 14:02:07 +02001489unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001490 up(&hid->driver_input_lock);
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001491 return ret;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001492}
1493EXPORT_SYMBOL_GPL(hid_input_report);
1494
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001495static bool hid_match_one_id(struct hid_device *hdev,
1496 const struct hid_device_id *id)
1497{
Henrik Rydberg7431fb72012-04-23 12:07:04 +02001498 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
Henrik Rydberg4d53b802012-04-23 12:07:02 +02001499 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001500 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1501 (id->product == HID_ANY_ID || id->product == hdev->product);
1502}
1503
Jeremy Fitzhardingebbc21cf2011-12-02 11:12:36 -08001504const struct hid_device_id *hid_match_id(struct hid_device *hdev,
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001505 const struct hid_device_id *id)
1506{
1507 for (; id->bus; id++)
1508 if (hid_match_one_id(hdev, id))
1509 return id;
1510
1511 return NULL;
1512}
1513
1514static const struct hid_device_id hid_hiddev_list[] = {
Richard Hughesc0bd6a42008-08-27 11:19:37 +02001515 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1516 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001517 { }
1518};
1519
1520static bool hid_hiddev(struct hid_device *hdev)
1521{
1522 return !!hid_match_id(hdev, hid_hiddev_list);
1523}
1524
Alan Ott6d3bfb72011-01-23 22:50:18 -05001525
1526static ssize_t
1527read_report_descriptor(struct file *filp, struct kobject *kobj,
1528 struct bin_attribute *attr,
1529 char *buf, loff_t off, size_t count)
1530{
1531 struct device *dev = container_of(kobj, struct device, kobj);
1532 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1533
1534 if (off >= hdev->rsize)
1535 return 0;
1536
1537 if (off + count > hdev->rsize)
1538 count = hdev->rsize - off;
1539
1540 memcpy(buf, hdev->rdesc + off, count);
1541
1542 return count;
1543}
1544
1545static struct bin_attribute dev_bin_attr_report_desc = {
1546 .attr = { .name = "report_descriptor", .mode = 0444 },
1547 .read = read_report_descriptor,
1548 .size = HID_MAX_DESCRIPTOR_SIZE,
1549};
1550
Jiri Slaby93c10132008-06-27 00:04:24 +02001551int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1552{
1553 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1554 "Joystick", "Gamepad", "Keyboard", "Keypad",
1555 "Multi-Axis Controller"
1556 };
1557 const char *type, *bus;
1558 char buf[64];
1559 unsigned int i;
1560 int len;
Alan Ott6d3bfb72011-01-23 22:50:18 -05001561 int ret;
Jiri Slaby93c10132008-06-27 00:04:24 +02001562
Bastien Nocerab5e5a372010-04-16 17:19:50 +01001563 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1564 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
Daniel Mack3a343ee2010-07-12 19:28:27 +02001565 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1566 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001567 if (hdev->bus != BUS_USB)
1568 connect_mask &= ~HID_CONNECT_HIDDEV;
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001569 if (hid_hiddev(hdev))
1570 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001571
1572 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1573 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1574 hdev->claimed |= HID_CLAIMED_INPUT;
Benjamin Tissoiresb77c3922011-09-21 16:56:54 +02001575
Jiri Slaby93c10132008-06-27 00:04:24 +02001576 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1577 !hdev->hiddev_connect(hdev,
1578 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1579 hdev->claimed |= HID_CLAIMED_HIDDEV;
1580 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1581 hdev->claimed |= HID_CLAIMED_HIDRAW;
1582
David Herrmann4bc19f62012-07-20 11:49:09 +02001583 /* Drivers with the ->raw_event callback set are not required to connect
1584 * to any other listener. */
1585 if (!hdev->claimed && !hdev->driver->raw_event) {
1586 hid_err(hdev, "device has no listeners, quitting\n");
Jiri Slaby93c10132008-06-27 00:04:24 +02001587 return -ENODEV;
1588 }
1589
1590 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1591 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1592 hdev->ff_init(hdev);
1593
1594 len = 0;
1595 if (hdev->claimed & HID_CLAIMED_INPUT)
1596 len += sprintf(buf + len, "input");
1597 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1598 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1599 hdev->minor);
1600 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1601 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1602 ((struct hidraw *)hdev->hidraw)->minor);
1603
1604 type = "Device";
1605 for (i = 0; i < hdev->maxcollection; i++) {
1606 struct hid_collection *col = &hdev->collection[i];
1607 if (col->type == HID_COLLECTION_APPLICATION &&
1608 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1609 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1610 type = types[col->usage & 0xffff];
1611 break;
1612 }
1613 }
1614
1615 switch (hdev->bus) {
1616 case BUS_USB:
1617 bus = "USB";
1618 break;
1619 case BUS_BLUETOOTH:
1620 bus = "BLUETOOTH";
1621 break;
1622 default:
1623 bus = "<UNKNOWN>";
1624 }
1625
Alan Ott6d3bfb72011-01-23 22:50:18 -05001626 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1627 if (ret)
1628 hid_warn(hdev,
1629 "can't create sysfs report descriptor attribute err: %d\n", ret);
1630
Joe Perches4291ee32010-12-09 19:29:03 -08001631 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1632 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1633 type, hdev->name, hdev->phys);
Jiri Slaby93c10132008-06-27 00:04:24 +02001634
1635 return 0;
1636}
1637EXPORT_SYMBOL_GPL(hid_connect);
1638
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001639void hid_disconnect(struct hid_device *hdev)
1640{
Alan Ott6d3bfb72011-01-23 22:50:18 -05001641 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001642 if (hdev->claimed & HID_CLAIMED_INPUT)
1643 hidinput_disconnect(hdev);
1644 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1645 hdev->hiddev_disconnect(hdev);
1646 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1647 hidraw_disconnect(hdev);
1648}
1649EXPORT_SYMBOL_GPL(hid_disconnect);
1650
Jiri Kosina00315e42012-09-02 09:28:51 +02001651/*
1652 * A list of devices for which there is a specialized driver on HID bus.
1653 *
1654 * Please note that for multitouch devices (driven by hid-multitouch driver),
1655 * there is a proper autodetection and autoloading in place (based on presence
1656 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1657 * as we are doing the right thing in hid_scan_usage().
Alexander Holler83499b52012-12-09 12:44:30 +01001658 *
1659 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1660 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1661 * used as a driver. See hid_scan_report().
Jiri Kosina00315e42012-09-02 09:28:51 +02001662 */
Dmitry Torokhovce06b9d2010-11-28 16:37:14 +01001663static const struct hid_device_id hid_have_special_driver[] = {
Jiri Slaby14a21cd2008-06-23 23:31:09 +02001664 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1665 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
Lech Perczakb7e1b202010-09-16 23:19:33 +02001666 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
Sergei Kolzunc0dbcc32010-07-19 12:13:23 +02001667 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
Tristan Ricee17f5d762013-11-12 19:06:23 +01001668 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001669 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
Michael Poole128537c2010-02-06 12:24:36 -05001670 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
Chase Douglasa4622302010-08-31 21:56:23 -04001671 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001672 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1673 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1674 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1675 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1676 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1677 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1678 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1679 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1680 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1681 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1682 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
Ryan Finniefef3f572009-03-05 10:18:01 +01001683 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1684 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1685 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001686 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1687 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1688 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1689 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1690 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1691 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
Benjamin Tissoires9a4a5572013-04-17 18:15:15 +02001692 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1694 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1695 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
Jan Scholzee8a1a02008-11-26 15:33:45 +01001697 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1698 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1699 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Henrik Rydberga96d6ef2008-11-04 20:03:45 +01001706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1708 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04001709 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1710 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1711 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1712 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1713 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1714 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08001715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03001718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Dan Bastone4a4c8792011-07-31 07:40:49 -04001721 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1722 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1723 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
Jiri Kosinaf6f554f2011-08-10 14:12:52 +02001724 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1725 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1726 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
Jiri Kosinab3aec7b2011-10-25 09:59:04 +02001727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1729 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07001730 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1731 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1732 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07001733 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1734 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1735 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07001736 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1737 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1738 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Christian Schuerer-Waldheim23aeb612010-01-06 14:49:57 +01001739 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1740 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1741 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
Ben Hutchingsf9af7b92012-12-02 14:38:23 +00001742 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
Andreas Kristad734bc2011-10-28 18:50:39 +02001743 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
Huei-Horng Yobd4a7ce2014-02-06 17:40:34 +08001744 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
Josenivaldo Benito Junior212da742012-04-10 19:29:04 -03001747 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001748 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
Wayne Thomasbf280622010-04-29 00:45:01 +02001749 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
Jiri Kosinac3dc66d2010-08-30 15:43:25 +02001750 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
Jiri Slaby3b239cd2008-06-24 20:42:25 +02001751 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
Raphaël Doursenaud1ce31b22010-04-08 13:40:52 +02001752 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
Jiri Slabyfcfacfd2008-06-24 22:48:52 +02001753 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
Dennis Küglerb9e4b1e2010-11-23 21:40:09 +01001754 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
Keng-Yu Lin3596bb92012-02-02 10:31:26 +01001755 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
Cyrus Lien2d8767b2012-07-23 17:11:51 +08001756 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
Don Prince3a370ca2010-05-12 15:18:59 +02001757 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
David Barksdalee932d812014-02-04 12:42:48 -06001758 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001759 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1760 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
Jiri Kosinae8d0eab2009-12-02 22:54:11 +01001761 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
Lionel Vaux76c9d8f2012-07-22 11:32:20 +02001762 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001763 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
Richard Walmsley3f866fb2009-03-04 22:12:04 +13001764 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
Nikolai Kondrashove05eefb2011-01-28 14:50:52 +03001765 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
Richard Nauber64b386e2010-06-28 18:54:25 +02001766 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
Jiri Slabyd23efc12013-05-07 11:40:58 +02001767 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1768 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
Ignaz Forster04561c52010-11-01 15:13:37 -04001769 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
Jiri Slaby1f243e32008-06-24 21:11:21 +02001770 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001771 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
Jiri Kosina578f3a32008-11-20 15:55:38 +01001772 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001773 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
Lukasz Lubojanski42859e02008-12-11 22:07:59 +01001774 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
Jiri Slaby949f8fe2008-07-24 23:35:13 +02001775 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
Jiri Kosina1e093202008-10-17 11:52:23 +02001776 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
Cory Maccarronec2fd1a42010-05-22 13:00:28 -07001777 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
Anssi Hannulad946e652011-06-27 00:07:31 +03001778 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
Tom Harwoodff9bf5a2012-07-06 08:05:04 -07001779 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
Jiri Kosina40d35972013-05-28 12:18:34 +02001780 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1781 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
Kharlamov Alexey274be3e2014-01-14 16:09:09 +04001782 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
Anders F. U. Kiærf1a49142013-10-21 23:42:22 +02001783 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
Anders F. U. Kiær7da7cbb2013-10-01 19:22:05 +02001784 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
Martin Rusko68e353f2013-05-28 14:25:15 +02001785 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_580) },
Michael Karcheraaca9cc2013-01-17 11:06:09 +01001786 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
Bastien Nocera4ddfe022012-10-31 12:10:10 +01001787 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
Jiri Kosinafdf93aa2009-03-04 16:09:40 +01001788 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
Jiri Kosina177900e2011-02-17 15:12:45 +01001789 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
Benjamin Tissoires3685c182013-07-02 18:10:09 +02001790 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
Benjamin Tissoires4a2c94c2013-11-20 09:49:41 -05001791 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
Benjamin Tissoires0adb9c22013-07-15 10:12:18 +02001792 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
Jiri Kosina79422742009-03-11 11:43:27 +01001793 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +02001794 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1795 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001797 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
Chris Schlund75b07022011-02-03 16:41:47 +01001798 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
Andres Freundaad932e2012-08-30 14:37:14 +02001799#if IS_ENABLED(CONFIG_HID_LENOVO_TPKBD)
1800 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
1801#endif
Jiri Slaby5f22a792008-05-16 11:49:19 +02001802 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1803 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1804 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1805 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
David Dillow5844c1c2012-09-25 23:02:27 +02001806 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001807 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1808 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1809 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001810 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1811 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001812 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1813 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
Hendrik Iben2c6118e2010-10-04 15:39:49 +02001814 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001815 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1816 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1817 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
Jiri Kosinafd30ea82009-06-23 12:11:31 +02001818 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001819 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
Gary Stein74f292c2010-01-13 00:25:58 +01001820 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001821 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1822 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
Elias Vanderstuyftbd043632013-10-07 19:48:12 +03001823 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
Jiri Kosina5623a242011-03-17 00:43:23 +01001824 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
Michal Malýe00ddc92011-09-10 21:28:23 +02001825 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
Christophe Borivant243b7062009-04-17 11:39:39 +02001826 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
Peter Gundermannfdc68072011-05-03 10:15:03 +02001827 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04001828#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
Nestor Lopez Casado534a7b82011-09-15 11:34:49 +02001829 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1830 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04001831#endif
Simon Wood32c88cb2010-09-22 13:19:42 +02001832 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001833 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
Jiri Kosina24985cf2009-11-13 10:45:53 +01001834 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1835 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
Bruno Prémont236db472010-03-30 22:33:50 +02001836 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1837 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
Jiri Kosinab5801692011-07-22 12:11:15 +02001838 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001839 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1840 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
Adam Jiang89759e22013-04-29 13:27:31 +09001841 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001842 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1843 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
Jiri Kosinaf3b83d72011-06-13 23:08:18 +03001844 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001845 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
Hans de Goede3faed1a2014-01-29 17:57:43 +01001846 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
Jiri Slaby3b8006e2008-06-25 00:07:50 +02001847 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
Rafi Rubin94011f92008-11-19 15:54:46 +01001848 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
micki6e328192010-06-19 11:37:29 +03001849 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1850 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1851 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1852 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1853 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1854 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1856 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1857 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1858 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1859 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1860 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1861 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1862 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1864 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1865 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1866 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
Herton Ronaldo Krzesinski270fdc02011-03-16 14:13:53 -03001867 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
Johnathon Harriscd9ec302010-01-21 14:36:52 +00001868 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
Jiri Slaby1e762532008-06-24 23:46:21 +02001869 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
Terry Lambertf6a04602011-10-14 17:18:54 -07001870 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02001871#if IS_ENABLED(CONFIG_HID_ROCCAT)
Stefan Achatze68cc6032011-01-06 09:00:34 +01001872 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
Stefan Achatzd41c2a72011-11-24 17:46:24 +01001873 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
Stefan Achatze0788092013-11-08 14:12:00 +01001874 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1875 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
Stefan Achatz47dbdbff2010-11-26 19:57:42 +00001876 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
Stefan Achatz8936aa32013-03-10 12:32:44 +01001877 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
Stefan Achatza4be0ed2013-08-30 14:10:07 +02001878 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
Stefan Achatze0788092013-11-08 14:12:00 +01001879 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
Stefan Achatz0e70f972011-01-30 13:38:24 +01001880 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
Stefan Achatz4424f612012-10-16 17:40:09 +02001881 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
Stefan Achatzcb7cf3d2010-08-29 12:30:18 +02001882 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
Stefan Achatz3fce2242011-03-23 18:11:36 +01001883 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
Stefan Achatz6f3a1932013-10-28 18:52:07 +01001884 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1885 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1886 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
Stefan Achatz6a2a6392012-05-20 22:44:54 +02001887 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02001888#endif
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001889#if IS_ENABLED(CONFIG_HID_SAITEK)
Andreas Hübner1e936742012-02-22 02:10:06 +01001890 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001891 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
1893#endif
Jiri Slaby980a3da2008-06-25 22:31:48 +02001894 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
Don Princeb3558502010-05-17 11:42:39 +01001895 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
Jiri Kosinad586dca2011-03-21 13:54:22 +01001896 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
Colin Leitnerf04d5142013-05-27 23:41:05 +02001897 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
David Dillow5844c1c2012-09-25 23:02:27 +02001899 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
Jiri Slabybd28ce02008-06-25 23:47:04 +02001900 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Jiri Kosina35dca5b2011-04-28 15:43:13 +02001901 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
Bastien Noceraf9ce7c22010-01-20 12:01:53 +00001902 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Frank Praznik0bd88dd2014-01-11 15:12:42 -05001903 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1904 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +02001905 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
Fernando Luis Vázquez Caoc1e0ac12013-05-01 09:26:23 +09001906 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
Simon Wood75dbb952013-01-31 08:07:07 -07001907 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
Jiri Slaby90231e72008-06-23 21:56:07 +02001908 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
Vivien Didelot30ba2fb2013-01-22 12:01:21 -05001909 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001910 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1911 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
Ruben Aos Garralda7a84b132009-06-29 09:41:29 +02001912 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1913 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001914 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
Markus Rathgeb3ee8f0a2010-03-13 17:29:43 +01001915 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001916 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
Simon Woodd65c3762010-11-29 17:41:23 +01001917 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
Jiri Kosina740363f2012-03-13 09:36:05 +01001918 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
Jarod Wilson44ea35c2011-10-14 16:57:42 -04001919 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
Lev Babievf14f5262009-01-04 00:36:56 +01001920 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
Kees Bakker54001082010-07-13 22:50:51 +02001921 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
Bruno Premont711a6802009-07-13 14:19:58 +02001922 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
Nikolai Kondrashov41fa9232010-08-23 15:09:01 +04001923 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
Nikolai Kondrashovf8a489c2010-08-09 20:44:17 +04001924 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1925 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1926 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
Nikolai Kondrashov6be914f2011-07-06 09:23:41 +03001927 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
Nikolai Kondrashovd1257082012-05-14 20:30:38 +03001928 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
Nikolai Kondrashoveb4e4262012-08-26 20:55:08 +03001929 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
Jussi Kivilinnafac733f2009-05-13 11:54:38 +03001930 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
Sean Young42fc04e2012-02-18 12:53:44 +00001931 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
Sean Youngad395cc2011-08-14 20:42:05 +01001932 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
Sean Young1bcc2062011-10-20 21:26:21 +01001933 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1934 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1935 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
Bastien Noceraca2dcd42009-05-11 17:18:12 +02001936 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE_BLUETOOTH) },
Przemo Firszt78761ff2011-11-05 11:28:22 +00001937 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS4_BLUETOOTH) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04001938 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
Nikolai Kondrashov00e7f962010-09-25 23:16:58 +04001939 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
Nikolai Kondrashov4fdc18d2012-02-06 22:54:20 +02001940 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
Nikolai Kondrashova786e832012-03-06 09:54:24 +02001941 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04001942 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
Nikolai Kondrashov8f1acc32010-08-30 14:06:36 +04001943 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
Nikolai Kondrashovd2ee4dd2012-03-20 16:01:33 +02001944 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
Stefan Kriwanek74bc6952011-05-27 18:40:29 +02001945 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
Olivier Scherlercb2c9e32013-07-27 19:20:02 +02001946 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001947 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1948 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
Don Princea9885c82010-05-14 17:30:59 +01001949 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001950
Jiri Slaby78a849a682008-06-20 21:26:11 +02001951 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
David Herrmann02fb72a2011-07-05 13:45:09 +02001952 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
David Herrmanna33042f2013-04-02 19:58:35 +02001953 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001954 { }
1955};
1956
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01001957struct hid_dynid {
1958 struct list_head list;
1959 struct hid_device_id id;
1960};
1961
1962/**
1963 * store_new_id - add a new HID device ID to this driver and re-probe devices
1964 * @driver: target device driver
1965 * @buf: buffer for scanning device ID data
1966 * @count: input size
1967 *
1968 * Adds a new dynamic hid device ID to this driver,
1969 * and causes the driver to probe for all devices again.
1970 */
1971static ssize_t store_new_id(struct device_driver *drv, const char *buf,
1972 size_t count)
1973{
1974 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
1975 struct hid_dynid *dynid;
1976 __u32 bus, vendor, product;
1977 unsigned long driver_data = 0;
1978 int ret;
1979
1980 ret = sscanf(buf, "%x %x %x %lx",
1981 &bus, &vendor, &product, &driver_data);
1982 if (ret < 3)
1983 return -EINVAL;
1984
1985 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
1986 if (!dynid)
1987 return -ENOMEM;
1988
1989 dynid->id.bus = bus;
Henrik Rydberg4d53b802012-04-23 12:07:02 +02001990 dynid->id.group = HID_GROUP_ANY;
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01001991 dynid->id.vendor = vendor;
1992 dynid->id.product = product;
1993 dynid->id.driver_data = driver_data;
1994
1995 spin_lock(&hdrv->dyn_lock);
1996 list_add_tail(&dynid->list, &hdrv->dyn_list);
1997 spin_unlock(&hdrv->dyn_lock);
1998
Alan Sterncef9bc52012-01-24 13:34:41 -05001999 ret = driver_attach(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002000
2001 return ret ? : count;
2002}
2003static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2004
2005static void hid_free_dynids(struct hid_driver *hdrv)
2006{
2007 struct hid_dynid *dynid, *n;
2008
2009 spin_lock(&hdrv->dyn_lock);
2010 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2011 list_del(&dynid->list);
2012 kfree(dynid);
2013 }
2014 spin_unlock(&hdrv->dyn_lock);
2015}
2016
2017static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2018 struct hid_driver *hdrv)
2019{
2020 struct hid_dynid *dynid;
2021
2022 spin_lock(&hdrv->dyn_lock);
2023 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2024 if (hid_match_one_id(hdev, &dynid->id)) {
2025 spin_unlock(&hdrv->dyn_lock);
2026 return &dynid->id;
2027 }
2028 }
2029 spin_unlock(&hdrv->dyn_lock);
2030
2031 return hid_match_id(hdev, hdrv->id_table);
2032}
2033
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002034static int hid_bus_match(struct device *dev, struct device_driver *drv)
2035{
2036 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2037 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2038
Henrik Rydberg070748e2012-04-23 12:07:05 +02002039 return hid_match_device(hdev, hdrv) != NULL;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002040}
2041
2042static int hid_device_probe(struct device *dev)
2043{
2044 struct hid_driver *hdrv = container_of(dev->driver,
2045 struct hid_driver, driver);
2046 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2047 const struct hid_device_id *id;
2048 int ret = 0;
2049
David Herrmann4ea54542011-08-10 14:02:07 +02002050 if (down_interruptible(&hdev->driver_lock))
2051 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002052 if (down_interruptible(&hdev->driver_input_lock)) {
2053 ret = -EINTR;
2054 goto unlock_driver_lock;
2055 }
2056 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002057
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002058 if (!hdev->driver) {
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002059 id = hid_match_device(hdev, hdrv);
Dan Carpenterba623a72011-08-24 14:27:46 +03002060 if (id == NULL) {
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02002061 ret = -ENODEV;
2062 goto unlock;
Dan Carpenterba623a72011-08-24 14:27:46 +03002063 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002064
Jiri Slabyc500c972008-05-16 11:49:16 +02002065 hdev->driver = hdrv;
2066 if (hdrv->probe) {
2067 ret = hdrv->probe(hdev, id);
2068 } else { /* default probe */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002069 ret = hid_open_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002070 if (!ret)
Jiri Slaby93c10132008-06-27 00:04:24 +02002071 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002072 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002073 if (ret) {
2074 hid_close_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002075 hdev->driver = NULL;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002076 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002077 }
Dan Carpenterba623a72011-08-24 14:27:46 +03002078unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002079 if (!hdev->io_started)
2080 up(&hdev->driver_input_lock);
2081unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002082 up(&hdev->driver_lock);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002083 return ret;
2084}
2085
2086static int hid_device_remove(struct device *dev)
2087{
2088 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
David Herrmann4ea54542011-08-10 14:02:07 +02002089 struct hid_driver *hdrv;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002090 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002091
David Herrmann4ea54542011-08-10 14:02:07 +02002092 if (down_interruptible(&hdev->driver_lock))
2093 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002094 if (down_interruptible(&hdev->driver_input_lock)) {
2095 ret = -EINTR;
2096 goto unlock_driver_lock;
2097 }
2098 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002099
2100 hdrv = hdev->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002101 if (hdrv) {
2102 if (hdrv->remove)
2103 hdrv->remove(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002104 else /* default remove */
2105 hid_hw_stop(hdev);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002106 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002107 hdev->driver = NULL;
2108 }
2109
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002110 if (!hdev->io_started)
2111 up(&hdev->driver_input_lock);
2112unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002113 up(&hdev->driver_lock);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002114 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002115}
2116
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002117static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2118 char *buf)
2119{
2120 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2121 int len;
2122
2123 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2124 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2125
2126 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2127}
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002128static DEVICE_ATTR_RO(modalias);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002129
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002130static struct attribute *hid_dev_attrs[] = {
2131 &dev_attr_modalias.attr,
2132 NULL,
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002133};
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002134ATTRIBUTE_GROUPS(hid_dev);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002135
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002136static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2137{
2138 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2139
2140 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2141 hdev->bus, hdev->vendor, hdev->product))
2142 return -ENOMEM;
2143
2144 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2145 return -ENOMEM;
2146
2147 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2148 return -ENOMEM;
2149
2150 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2151 return -ENOMEM;
2152
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002153 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2154 hdev->bus, hdev->group, hdev->vendor, hdev->product))
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002155 return -ENOMEM;
2156
2157 return 0;
2158}
2159
2160static struct bus_type hid_bus_type = {
2161 .name = "hid",
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002162 .dev_groups = hid_dev_groups,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002163 .match = hid_bus_match,
2164 .probe = hid_device_probe,
2165 .remove = hid_device_remove,
2166 .uevent = hid_uevent,
2167};
2168
Jiri Kosinabae7eb32009-01-28 23:06:37 +01002169/* a list of devices that shouldn't be handled by HID core at all */
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002170static const struct hid_device_id hid_ignore_list[] = {
2171 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2172 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2173 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2174 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2175 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2176 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2177 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2178 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2179 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2180 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2181 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2182 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
Stephane Chatty77f720b2010-02-06 15:17:13 +01002183 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2184 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
Alexey Klimov62a56582008-11-13 05:44:50 +03002185 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
Hans de Goede11030182012-05-15 05:12:44 -03002186 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002187 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2188 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2189 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
Dinesh Ramadc23252013-10-15 12:24:41 -03002190 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002191 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2192 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2193 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
Alexey Klimov5f6108c2008-12-08 12:40:14 +01002194 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002195 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2196 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
Melchior FRANZ73bc7d32010-12-22 02:04:33 +01002197 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
Dan Delaney789aaa22011-11-20 10:21:30 +01002198 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002199 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
Petr Å tetiar70c66562009-12-09 22:09:53 +01002200 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
Petr Å tetiardf506f22010-06-28 09:38:54 -07002201 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
Benjamin Tissoiresb1807712011-11-16 11:39:52 +01002202 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002203 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002204 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2205 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2206 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2207 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2208 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2209 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2210 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2211 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2212 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2213 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2214 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2215 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2216 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2217 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2218 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
Hans de Goede8e2ce732012-05-21 15:24:50 -03002219 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002220 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2221 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2222 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2223 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2224 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2225 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2226 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2227 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2228 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2229 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2230 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2231 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2232 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2233 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2234 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2235 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2236 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2237 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2238 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2239 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2240 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2241 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2242 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2243 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2244 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2245 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2246 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2247 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2248 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2249 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2250 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2251 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2252 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2253 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2254 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2255 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2256 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2257 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2258 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2259 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2260 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2261 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2262 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2263 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2264 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2265 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2266 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
Vincent Palatin31b97792013-05-22 14:39:50 -07002267 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2268 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002269 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
Alexey Klimovc91c21c2008-11-13 10:36:11 +01002270 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002271 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
Lamarque Vieira Souzaeb8141c2009-10-02 15:04:44 +02002272 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002273 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002274 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002275 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002276 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002277 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002278 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2279 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2280 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2281 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2282 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2283 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002284 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2285 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2286 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
Michael Hundce97cac2011-05-03 10:12:00 -07002287 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2288 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2289 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002290 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2291 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
Michael Hundce97cac2011-05-03 10:12:00 -07002292 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002293 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2294 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2295 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2296 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2297 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
Michael Hundce97cac2011-05-03 10:12:00 -07002298 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2299 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2300 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2301 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2302 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2303 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2304 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
Yuri Khan3ffb62c2012-07-11 00:49:18 -07002305 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002306 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2307 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002308 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2309 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
2310 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2311 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2312 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2313 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2314 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2315 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2316 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2317 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2318 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2319 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2320 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2321 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2322 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2323 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2324 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
Henning Glawe4cfae3e2009-08-02 22:18:12 +02002325 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
Michael Tokarev35cfd1d2009-02-01 16:11:04 +01002326 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
Jan Steinhoff8491ee12012-02-03 00:21:31 -08002327#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2328 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2329 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2330 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2331 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2332 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2333 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2334 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2335 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2336#endif
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002337 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2338 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2339 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2340 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2341 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
2342 { HID_USB_DEVICE(USB_VENDOR_ID_WACOM, HID_ANY_ID) },
2343 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2344 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2345 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2346 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
Christian Vogel759db9e2014-02-12 20:56:00 +01002347 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002348 { }
2349};
2350
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002351/**
2352 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2353 *
2354 * There are composite devices for which we want to ignore only a certain
2355 * interface. This is a list of devices for which only the mouse interface will
2356 * be ignored. This allows a dedicated driver to take care of the interface.
2357 */
2358static const struct hid_device_id hid_mouse_ignore_list[] = {
2359 /* appletouch driver */
2360 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2361 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2362 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2363 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2364 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2365 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2366 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2367 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2368 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2369 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2370 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2371 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2372 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2373 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2374 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2375 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2376 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2377 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2378 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2379 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Jiri Kosinaac26fca2008-11-20 11:27:02 +01002380 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2381 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2382 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04002383 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2384 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2385 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2386 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2387 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2388 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08002389 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2390 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2391 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03002392 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2393 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2394 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Jiri Kosina4b086912011-10-04 14:01:12 +02002395 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2396 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2397 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2398 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2399 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07002401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07002404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07002407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2412 { }
2413};
2414
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002415bool hid_ignore(struct hid_device *hdev)
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002416{
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002417 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2418 return false;
2419 if (hdev->quirks & HID_QUIRK_IGNORE)
2420 return true;
2421
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002422 switch (hdev->vendor) {
2423 case USB_VENDOR_ID_CODEMERCS:
2424 /* ignore all Code Mercenaries IOWarrior devices */
2425 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2426 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2427 return true;
2428 break;
2429 case USB_VENDOR_ID_LOGITECH:
2430 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2431 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2432 return true;
Hans Verkuil65dd3b62012-01-13 11:15:22 -03002433 /*
2434 * The Keene FM transmitter USB device has the same USB ID as
2435 * the Logitech AudioHub Speaker, but it should ignore the hid.
2436 * Check if the name is that of the Keene device.
2437 * For reference: the name of the AudioHub is
2438 * "HOLTEK AudioHub Speaker".
2439 */
2440 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2441 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2442 return true;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002443 break;
Jarod Wilson31f7fd72009-07-31 10:56:36 -04002444 case USB_VENDOR_ID_SOUNDGRAPH:
2445 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2446 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2447 return true;
2448 break;
Xing Weibba53942010-09-01 23:25:35 -07002449 case USB_VENDOR_ID_HANWANG:
2450 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2451 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2452 return true;
2453 break;
Tomoki Sekiyama6dc14182011-05-23 15:45:44 -07002454 case USB_VENDOR_ID_JESS:
2455 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2456 hdev->type == HID_TYPE_USBNONE)
2457 return true;
Forest Bond729b8142012-11-06 13:41:22 -05002458 break;
Ian Abbott30b6b7d82013-02-13 13:22:45 +00002459 case USB_VENDOR_ID_VELLEMAN:
2460 /* These are not HID devices. They are handled by comedi. */
2461 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2462 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2463 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2464 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2465 return true;
2466 break;
Alexey Klimov5b4617d2013-03-28 00:07:29 +04002467 case USB_VENDOR_ID_ATMEL_V_USB:
2468 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2469 * it has the same USB ID as many Atmel V-USB devices. This
2470 * usb radio is handled by radio-ma901.c driver so we want
2471 * ignore the hid. Check the name, bus, product and ignore
2472 * if we have MA901 usb radio.
2473 */
2474 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2475 hdev->bus == BUS_USB &&
2476 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2477 return true;
2478 break;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002479 }
2480
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002481 if (hdev->type == HID_TYPE_USBMOUSE &&
2482 hid_match_id(hdev, hid_mouse_ignore_list))
2483 return true;
2484
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002485 return !!hid_match_id(hdev, hid_ignore_list);
2486}
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002487EXPORT_SYMBOL_GPL(hid_ignore);
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002488
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002489int hid_add_device(struct hid_device *hdev)
2490{
2491 static atomic_t id = ATOMIC_INIT(0);
2492 int ret;
2493
2494 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2495 return -EBUSY;
2496
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002497 /* we need to kill them here, otherwise they will stay allocated to
2498 * wait for coming driver */
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002499 if (hid_ignore(hdev))
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002500 return -ENODEV;
2501
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002502 /*
Benjamin Tissoires3c867262014-02-20 15:24:49 -05002503 * Check for the mandatory transport channel.
2504 */
2505 if (!hdev->ll_driver->raw_request) {
2506 hid_err(hdev, "transport driver missing .raw_request()\n");
2507 return -EINVAL;
2508 }
2509
2510 /*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002511 * Read the device report descriptor once and use as template
2512 * for the driver-specific modifications.
2513 */
2514 ret = hdev->ll_driver->parse(hdev);
2515 if (ret)
2516 return ret;
2517 if (!hdev->dev_rdesc)
2518 return -ENODEV;
2519
Henrik Rydberg734c6602012-04-23 12:07:03 +02002520 /*
2521 * Scan generic devices for group information
2522 */
2523 if (hid_ignore_special_drivers ||
2524 !hid_match_id(hdev, hid_have_special_driver)) {
2525 ret = hid_scan_report(hdev);
2526 if (ret)
2527 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2528 }
2529
Kay Sievers6bbe5862008-10-31 00:12:32 +01002530 /* XXX hack, any other cleaner solution after the driver core
2531 * is converted to allow more than 20 bytes as the device name? */
2532 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2533 hdev->vendor, hdev->product, atomic_inc_return(&id));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002534
Bruno Prémont4da361b2010-03-15 14:55:40 +01002535 hid_debug_register(hdev, dev_name(&hdev->dev));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002536 ret = device_add(&hdev->dev);
2537 if (!ret)
2538 hdev->status |= HID_STAT_ADDED;
Bruno Prémont4da361b2010-03-15 14:55:40 +01002539 else
2540 hid_debug_unregister(hdev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002541
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002542 return ret;
2543}
2544EXPORT_SYMBOL_GPL(hid_add_device);
2545
2546/**
2547 * hid_allocate_device - allocate new hid device descriptor
2548 *
2549 * Allocate and initialize hid device, so that hid_destroy_device might be
2550 * used to free it.
2551 *
2552 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2553 * error value.
2554 */
2555struct hid_device *hid_allocate_device(void)
2556{
2557 struct hid_device *hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002558 int ret = -ENOMEM;
2559
2560 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2561 if (hdev == NULL)
2562 return ERR_PTR(ret);
2563
2564 device_initialize(&hdev->dev);
2565 hdev->dev.release = hid_device_release;
2566 hdev->dev.bus = &hid_bus_type;
2567
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002568 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002569
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002570 init_waitqueue_head(&hdev->debug_wait);
2571 INIT_LIST_HEAD(&hdev->debug_list);
Jiri Kosina1deb9d32013-05-06 13:05:50 +02002572 spin_lock_init(&hdev->debug_list_lock);
David Herrmann4ea54542011-08-10 14:02:07 +02002573 sema_init(&hdev->driver_lock, 1);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002574 sema_init(&hdev->driver_input_lock, 1);
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002575
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002576 return hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002577}
2578EXPORT_SYMBOL_GPL(hid_allocate_device);
2579
2580static void hid_remove_device(struct hid_device *hdev)
2581{
2582 if (hdev->status & HID_STAT_ADDED) {
2583 device_del(&hdev->dev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002584 hid_debug_unregister(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002585 hdev->status &= ~HID_STAT_ADDED;
2586 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002587 kfree(hdev->dev_rdesc);
2588 hdev->dev_rdesc = NULL;
2589 hdev->dev_rsize = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002590}
2591
2592/**
2593 * hid_destroy_device - free previously allocated device
2594 *
2595 * @hdev: hid device
2596 *
2597 * If you allocate hid_device through hid_allocate_device, you should ever
2598 * free by this function.
2599 */
2600void hid_destroy_device(struct hid_device *hdev)
2601{
2602 hid_remove_device(hdev);
2603 put_device(&hdev->dev);
2604}
2605EXPORT_SYMBOL_GPL(hid_destroy_device);
2606
2607int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2608 const char *mod_name)
2609{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002610 int ret;
2611
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002612 hdrv->driver.name = hdrv->name;
2613 hdrv->driver.bus = &hid_bus_type;
2614 hdrv->driver.owner = owner;
2615 hdrv->driver.mod_name = mod_name;
2616
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002617 INIT_LIST_HEAD(&hdrv->dyn_list);
2618 spin_lock_init(&hdrv->dyn_lock);
2619
2620 ret = driver_register(&hdrv->driver);
2621 if (ret)
2622 return ret;
2623
2624 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2625 if (ret)
2626 driver_unregister(&hdrv->driver);
2627
2628 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002629}
2630EXPORT_SYMBOL_GPL(__hid_register_driver);
2631
2632void hid_unregister_driver(struct hid_driver *hdrv)
2633{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002634 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002635 driver_unregister(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002636 hid_free_dynids(hdrv);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002637}
2638EXPORT_SYMBOL_GPL(hid_unregister_driver);
2639
Oliver Neukum0361a282008-12-17 15:38:03 +01002640int hid_check_keys_pressed(struct hid_device *hid)
2641{
2642 struct hid_input *hidinput;
2643 int i;
2644
Jiri Kosinae5288eb2009-05-02 00:02:57 +02002645 if (!(hid->claimed & HID_CLAIMED_INPUT))
2646 return 0;
2647
Oliver Neukum0361a282008-12-17 15:38:03 +01002648 list_for_each_entry(hidinput, &hid->inputs, list) {
2649 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2650 if (hidinput->input->key[i])
2651 return 1;
2652 }
2653
2654 return 0;
2655}
2656
2657EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2658
Jiri Kosina86166b72007-05-14 09:57:40 +02002659static int __init hid_init(void)
2660{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002661 int ret;
2662
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002663 if (hid_debug)
Joe Perches4291ee32010-12-09 19:29:03 -08002664 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2665 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002666
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002667 ret = bus_register(&hid_bus_type);
2668 if (ret) {
Joe Perches4291ee32010-12-09 19:29:03 -08002669 pr_err("can't register hid bus\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002670 goto err;
2671 }
2672
2673 ret = hidraw_init();
2674 if (ret)
2675 goto err_bus;
2676
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002677 hid_debug_init();
2678
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002679 return 0;
2680err_bus:
2681 bus_unregister(&hid_bus_type);
2682err:
2683 return ret;
Jiri Kosina86166b72007-05-14 09:57:40 +02002684}
2685
2686static void __exit hid_exit(void)
2687{
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002688 hid_debug_exit();
Jiri Kosina86166b72007-05-14 09:57:40 +02002689 hidraw_exit();
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002690 bus_unregister(&hid_bus_type);
Jiri Kosina86166b72007-05-14 09:57:40 +02002691}
2692
2693module_init(hid_init);
2694module_exit(hid_exit);
2695
Jiri Kosina88adb722009-10-02 18:29:34 +02002696MODULE_AUTHOR("Andreas Gal");
2697MODULE_AUTHOR("Vojtech Pavlik");
2698MODULE_AUTHOR("Jiri Kosina");
Jiri Kosinaaa938f72006-12-08 18:41:10 +01002699MODULE_LICENSE(DRIVER_LICENSE);
2700