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Jiri Kosinadde58452006-12-08 18:40:44 +01001/*
Jiri Kosina229695e2006-12-08 18:40:53 +01002 * HID support for Linux
Jiri Kosinadde58452006-12-08 18:40:44 +01003 *
4 * Copyright (c) 1999 Andreas Gal
5 * Copyright (c) 2000-2005 Vojtech Pavlik <vojtech@suse.cz>
6 * Copyright (c) 2005 Michael Haboustak <mike-@cinci.rr.com> for Concept2, Inc
Jiri Kosina6b1968d2012-03-09 13:55:43 +01007 * Copyright (c) 2006-2012 Jiri Kosina
Jiri Kosinadde58452006-12-08 18:40:44 +01008 */
9
10/*
11 * This program is free software; you can redistribute it and/or modify it
12 * under the terms of the GNU General Public License as published by the Free
13 * Software Foundation; either version 2 of the License, or (at your option)
14 * any later version.
15 */
16
Joe Perches4291ee32010-12-09 19:29:03 -080017#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
Jiri Kosinadde58452006-12-08 18:40:44 +010019#include <linux/module.h>
20#include <linux/slab.h>
21#include <linux/init.h>
22#include <linux/kernel.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010023#include <linux/list.h>
24#include <linux/mm.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010025#include <linux/spinlock.h>
26#include <asm/unaligned.h>
27#include <asm/byteorder.h>
28#include <linux/input.h>
29#include <linux/wait.h>
Jiri Kosina47a80ed2007-03-12 14:55:12 +010030#include <linux/vmalloc.h>
Jiri Kosinac4124c92007-11-30 11:12:58 +010031#include <linux/sched.h>
David Herrmann4ea54542011-08-10 14:02:07 +020032#include <linux/semaphore.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010033
Jiri Kosinadde58452006-12-08 18:40:44 +010034#include <linux/hid.h>
35#include <linux/hiddev.h>
Jiri Kosinac080d892007-01-25 11:43:31 +010036#include <linux/hid-debug.h>
Jiri Kosina86166b72007-05-14 09:57:40 +020037#include <linux/hidraw.h>
Jiri Kosinadde58452006-12-08 18:40:44 +010038
Jiri Slaby5f22a792008-05-16 11:49:19 +020039#include "hid-ids.h"
40
Jiri Kosinadde58452006-12-08 18:40:44 +010041/*
42 * Version Information
43 */
44
Jiri Kosina53149802007-01-09 13:24:25 +010045#define DRIVER_DESC "HID core driver"
Jiri Kosinadde58452006-12-08 18:40:44 +010046#define DRIVER_LICENSE "GPL"
47
Jiri Kosina58037eb2007-05-30 15:07:13 +020048int hid_debug = 0;
Anssi Hannula377e10f2008-03-22 23:50:13 +010049module_param_named(debug, hid_debug, int, 0600);
Jiri Kosinacd667ce2009-06-12 15:20:57 +020050MODULE_PARM_DESC(debug, "toggle HID debugging messages");
Jiri Kosina58037eb2007-05-30 15:07:13 +020051EXPORT_SYMBOL_GPL(hid_debug);
Jiri Kosina58037eb2007-05-30 15:07:13 +020052
Jiri Kosina6b1968d2012-03-09 13:55:43 +010053static int hid_ignore_special_drivers = 0;
54module_param_named(ignore_special_drivers, hid_ignore_special_drivers, int, 0600);
Hans Petter Selasky643727a2014-09-08 09:35:35 +020055MODULE_PARM_DESC(ignore_special_drivers, "Ignore any special drivers and handle all devices by generic driver");
Jiri Kosina6b1968d2012-03-09 13:55:43 +010056
Jiri Kosinadde58452006-12-08 18:40:44 +010057/*
Jiri Kosinadde58452006-12-08 18:40:44 +010058 * Register a new report for a device.
59 */
60
Michael Poole90a006a2010-01-24 22:32:29 -050061struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id)
Jiri Kosinadde58452006-12-08 18:40:44 +010062{
63 struct hid_report_enum *report_enum = device->report_enum + type;
64 struct hid_report *report;
65
Kees Cook43622022013-08-28 22:29:55 +020066 if (id >= HID_MAX_IDS)
67 return NULL;
Jiri Kosinadde58452006-12-08 18:40:44 +010068 if (report_enum->report_id_hash[id])
69 return report_enum->report_id_hash[id];
70
Joe Perchesa3789a12010-12-09 19:29:07 -080071 report = kzalloc(sizeof(struct hid_report), GFP_KERNEL);
72 if (!report)
Jiri Kosinadde58452006-12-08 18:40:44 +010073 return NULL;
74
75 if (id != 0)
76 report_enum->numbered = 1;
77
78 report->id = id;
79 report->type = type;
80 report->size = 0;
81 report->device = device;
82 report_enum->report_id_hash[id] = report;
83
84 list_add_tail(&report->list, &report_enum->report_list);
85
86 return report;
87}
Michael Poole90a006a2010-01-24 22:32:29 -050088EXPORT_SYMBOL_GPL(hid_register_report);
Jiri Kosinadde58452006-12-08 18:40:44 +010089
90/*
91 * Register a new field for this report.
92 */
93
94static struct hid_field *hid_register_field(struct hid_report *report, unsigned usages, unsigned values)
95{
96 struct hid_field *field;
97
98 if (report->maxfield == HID_MAX_FIELDS) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +010099 hid_err(report->device, "too many fields in report\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100100 return NULL;
101 }
102
Joe Perchesa3789a12010-12-09 19:29:07 -0800103 field = kzalloc((sizeof(struct hid_field) +
104 usages * sizeof(struct hid_usage) +
105 values * sizeof(unsigned)), GFP_KERNEL);
106 if (!field)
107 return NULL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100108
109 field->index = report->maxfield++;
110 report->field[field->index] = field;
111 field->usage = (struct hid_usage *)(field + 1);
Jiri Slaby282bfd42008-03-28 17:06:41 +0100112 field->value = (s32 *)(field->usage + usages);
Jiri Kosinadde58452006-12-08 18:40:44 +0100113 field->report = report;
114
115 return field;
116}
117
118/*
119 * Open a collection. The type/usage is pushed on the stack.
120 */
121
122static int open_collection(struct hid_parser *parser, unsigned type)
123{
124 struct hid_collection *collection;
125 unsigned usage;
126
127 usage = parser->local.usage[0];
128
129 if (parser->collection_stack_ptr == HID_COLLECTION_STACK_SIZE) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100130 hid_err(parser->device, "collection stack overflow\n");
Sachin Kamata6fbaac2012-09-17 16:41:56 +0530131 return -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100132 }
133
134 if (parser->device->maxcollection == parser->device->collection_size) {
135 collection = kmalloc(sizeof(struct hid_collection) *
136 parser->device->collection_size * 2, GFP_KERNEL);
137 if (collection == NULL) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100138 hid_err(parser->device, "failed to reallocate collection array\n");
Sachin Kamata6fbaac2012-09-17 16:41:56 +0530139 return -ENOMEM;
Jiri Kosinadde58452006-12-08 18:40:44 +0100140 }
141 memcpy(collection, parser->device->collection,
142 sizeof(struct hid_collection) *
143 parser->device->collection_size);
144 memset(collection + parser->device->collection_size, 0,
145 sizeof(struct hid_collection) *
146 parser->device->collection_size);
147 kfree(parser->device->collection);
148 parser->device->collection = collection;
149 parser->device->collection_size *= 2;
150 }
151
152 parser->collection_stack[parser->collection_stack_ptr++] =
153 parser->device->maxcollection;
154
155 collection = parser->device->collection +
156 parser->device->maxcollection++;
157 collection->type = type;
158 collection->usage = usage;
159 collection->level = parser->collection_stack_ptr - 1;
160
161 if (type == HID_COLLECTION_APPLICATION)
162 parser->device->maxapplication++;
163
164 return 0;
165}
166
167/*
168 * Close a collection.
169 */
170
171static int close_collection(struct hid_parser *parser)
172{
173 if (!parser->collection_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100174 hid_err(parser->device, "collection stack underflow\n");
Sachin Kamata6fbaac2012-09-17 16:41:56 +0530175 return -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100176 }
177 parser->collection_stack_ptr--;
178 return 0;
179}
180
181/*
182 * Climb up the stack, search for the specified collection type
183 * and return the usage.
184 */
185
186static unsigned hid_lookup_collection(struct hid_parser *parser, unsigned type)
187{
Joe Perches504499f2010-12-09 19:29:08 -0800188 struct hid_collection *collection = parser->device->collection;
Jiri Kosinadde58452006-12-08 18:40:44 +0100189 int n;
Joe Perches504499f2010-12-09 19:29:08 -0800190
191 for (n = parser->collection_stack_ptr - 1; n >= 0; n--) {
192 unsigned index = parser->collection_stack[n];
193 if (collection[index].type == type)
194 return collection[index].usage;
195 }
Jiri Kosinadde58452006-12-08 18:40:44 +0100196 return 0; /* we know nothing about this usage type */
197}
198
199/*
200 * Add a usage to the temporary parser table.
201 */
202
203static int hid_add_usage(struct hid_parser *parser, unsigned usage)
204{
205 if (parser->local.usage_index >= HID_MAX_USAGES) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100206 hid_err(parser->device, "usage index exceeded\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100207 return -1;
208 }
209 parser->local.usage[parser->local.usage_index] = usage;
210 parser->local.collection_index[parser->local.usage_index] =
211 parser->collection_stack_ptr ?
212 parser->collection_stack[parser->collection_stack_ptr - 1] : 0;
213 parser->local.usage_index++;
214 return 0;
215}
216
217/*
218 * Register a new field for this report.
219 */
220
221static int hid_add_field(struct hid_parser *parser, unsigned report_type, unsigned flags)
222{
223 struct hid_report *report;
224 struct hid_field *field;
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200225 unsigned usages;
Jiri Kosinadde58452006-12-08 18:40:44 +0100226 unsigned offset;
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200227 unsigned i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100228
Joe Perchesa3789a12010-12-09 19:29:07 -0800229 report = hid_register_report(parser->device, report_type, parser->global.report_id);
230 if (!report) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100231 hid_err(parser->device, "hid_register_report failed\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100232 return -1;
233 }
234
Jiri Kosinabb2e1972012-05-14 15:02:56 +0200235 /* Handle both signed and unsigned cases properly */
srinivas pandruvada0cd516c2012-05-10 16:45:31 -0700236 if ((parser->global.logical_minimum < 0 &&
237 parser->global.logical_maximum <
238 parser->global.logical_minimum) ||
239 (parser->global.logical_minimum >= 0 &&
240 (__u32)parser->global.logical_maximum <
241 (__u32)parser->global.logical_minimum)) {
242 dbg_hid("logical range invalid 0x%x 0x%x\n",
243 parser->global.logical_minimum,
244 parser->global.logical_maximum);
Jiri Kosinadde58452006-12-08 18:40:44 +0100245 return -1;
246 }
247
248 offset = report->size;
249 report->size += parser->global.report_size * parser->global.report_count;
250
251 if (!parser->local.usage_index) /* Ignore padding fields */
252 return 0;
253
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200254 usages = max_t(unsigned, parser->local.usage_index,
255 parser->global.report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +0100256
Joe Perchesa3789a12010-12-09 19:29:07 -0800257 field = hid_register_field(report, usages, parser->global.report_count);
258 if (!field)
Jiri Kosinadde58452006-12-08 18:40:44 +0100259 return 0;
260
261 field->physical = hid_lookup_collection(parser, HID_COLLECTION_PHYSICAL);
262 field->logical = hid_lookup_collection(parser, HID_COLLECTION_LOGICAL);
263 field->application = hid_lookup_collection(parser, HID_COLLECTION_APPLICATION);
264
265 for (i = 0; i < usages; i++) {
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200266 unsigned j = i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100267 /* Duplicate the last usage we parsed if we have excess values */
268 if (i >= parser->local.usage_index)
269 j = parser->local.usage_index - 1;
270 field->usage[i].hid = parser->local.usage[j];
271 field->usage[i].collection_index =
272 parser->local.collection_index[j];
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +0200273 field->usage[i].usage_index = i;
Jiri Kosinadde58452006-12-08 18:40:44 +0100274 }
275
276 field->maxusage = usages;
277 field->flags = flags;
278 field->report_offset = offset;
279 field->report_type = report_type;
280 field->report_size = parser->global.report_size;
281 field->report_count = parser->global.report_count;
282 field->logical_minimum = parser->global.logical_minimum;
283 field->logical_maximum = parser->global.logical_maximum;
284 field->physical_minimum = parser->global.physical_minimum;
285 field->physical_maximum = parser->global.physical_maximum;
286 field->unit_exponent = parser->global.unit_exponent;
287 field->unit = parser->global.unit;
288
289 return 0;
290}
291
292/*
293 * Read data value from item.
294 */
295
296static u32 item_udata(struct hid_item *item)
297{
298 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200299 case 1: return item->data.u8;
300 case 2: return item->data.u16;
301 case 4: return item->data.u32;
Jiri Kosinadde58452006-12-08 18:40:44 +0100302 }
303 return 0;
304}
305
306static s32 item_sdata(struct hid_item *item)
307{
308 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200309 case 1: return item->data.s8;
310 case 2: return item->data.s16;
311 case 4: return item->data.s32;
Jiri Kosinadde58452006-12-08 18:40:44 +0100312 }
313 return 0;
314}
315
316/*
317 * Process a global item.
318 */
319
320static int hid_parser_global(struct hid_parser *parser, struct hid_item *item)
321{
Nikolai Kondrashovad0e669b2013-10-13 15:09:52 +0300322 __s32 raw_value;
Jiri Kosinadde58452006-12-08 18:40:44 +0100323 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200324 case HID_GLOBAL_ITEM_TAG_PUSH:
Jiri Kosinadde58452006-12-08 18:40:44 +0100325
Jiri Slaby880d29f2008-06-18 23:55:41 +0200326 if (parser->global_stack_ptr == HID_GLOBAL_STACK_SIZE) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100327 hid_err(parser->device, "global environment stack overflow\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100328 return -1;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200329 }
330
331 memcpy(parser->global_stack + parser->global_stack_ptr++,
332 &parser->global, sizeof(struct hid_global));
333 return 0;
334
335 case HID_GLOBAL_ITEM_TAG_POP:
336
337 if (!parser->global_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100338 hid_err(parser->device, "global environment stack underflow\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200339 return -1;
340 }
341
342 memcpy(&parser->global, parser->global_stack +
343 --parser->global_stack_ptr, sizeof(struct hid_global));
344 return 0;
345
346 case HID_GLOBAL_ITEM_TAG_USAGE_PAGE:
347 parser->global.usage_page = item_udata(item);
348 return 0;
349
350 case HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM:
351 parser->global.logical_minimum = item_sdata(item);
352 return 0;
353
354 case HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM:
355 if (parser->global.logical_minimum < 0)
356 parser->global.logical_maximum = item_sdata(item);
357 else
358 parser->global.logical_maximum = item_udata(item);
359 return 0;
360
361 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM:
362 parser->global.physical_minimum = item_sdata(item);
363 return 0;
364
365 case HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM:
366 if (parser->global.physical_minimum < 0)
367 parser->global.physical_maximum = item_sdata(item);
368 else
369 parser->global.physical_maximum = item_udata(item);
370 return 0;
371
372 case HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT:
Nikolai Kondrashovad0e669b2013-10-13 15:09:52 +0300373 /* Many devices provide unit exponent as a two's complement
374 * nibble due to the common misunderstanding of HID
375 * specification 1.11, 6.2.2.7 Global Items. Attempt to handle
376 * both this and the standard encoding. */
377 raw_value = item_sdata(item);
Benjamin Tissoires77463832012-11-14 16:59:15 +0100378 if (!(raw_value & 0xfffffff0))
379 parser->global.unit_exponent = hid_snto32(raw_value, 4);
380 else
381 parser->global.unit_exponent = raw_value;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200382 return 0;
383
384 case HID_GLOBAL_ITEM_TAG_UNIT:
385 parser->global.unit = item_udata(item);
386 return 0;
387
388 case HID_GLOBAL_ITEM_TAG_REPORT_SIZE:
389 parser->global.report_size = item_udata(item);
Marek Vasut23408f92012-08-05 23:57:14 +0200390 if (parser->global.report_size > 128) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100391 hid_err(parser->device, "invalid report_size %d\n",
Jiri Slaby880d29f2008-06-18 23:55:41 +0200392 parser->global.report_size);
393 return -1;
394 }
395 return 0;
396
397 case HID_GLOBAL_ITEM_TAG_REPORT_COUNT:
398 parser->global.report_count = item_udata(item);
399 if (parser->global.report_count > HID_MAX_USAGES) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100400 hid_err(parser->device, "invalid report_count %d\n",
Jiri Slaby880d29f2008-06-18 23:55:41 +0200401 parser->global.report_count);
402 return -1;
403 }
404 return 0;
405
406 case HID_GLOBAL_ITEM_TAG_REPORT_ID:
407 parser->global.report_id = item_udata(item);
Kees Cook43622022013-08-28 22:29:55 +0200408 if (parser->global.report_id == 0 ||
409 parser->global.report_id >= HID_MAX_IDS) {
410 hid_err(parser->device, "report_id %u is invalid\n",
411 parser->global.report_id);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200412 return -1;
413 }
414 return 0;
415
416 default:
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100417 hid_err(parser->device, "unknown global tag 0x%x\n", item->tag);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200418 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100419 }
420}
421
422/*
423 * Process a local item.
424 */
425
426static int hid_parser_local(struct hid_parser *parser, struct hid_item *item)
427{
428 __u32 data;
429 unsigned n;
430
Jiri Kosinadde58452006-12-08 18:40:44 +0100431 data = item_udata(item);
432
433 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200434 case HID_LOCAL_ITEM_TAG_DELIMITER:
Jiri Kosinadde58452006-12-08 18:40:44 +0100435
Jiri Slaby880d29f2008-06-18 23:55:41 +0200436 if (data) {
437 /*
438 * We treat items before the first delimiter
439 * as global to all usage sets (branch 0).
440 * In the moment we process only these global
441 * items and the first delimiter set.
442 */
443 if (parser->local.delimiter_depth != 0) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100444 hid_err(parser->device, "nested delimiters\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200445 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100446 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200447 parser->local.delimiter_depth++;
448 parser->local.delimiter_branch++;
449 } else {
450 if (parser->local.delimiter_depth < 1) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100451 hid_err(parser->device, "bogus close delimiter\n");
Jiri Slaby880d29f2008-06-18 23:55:41 +0200452 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100453 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200454 parser->local.delimiter_depth--;
455 }
Paul Chavent38ead6e2013-07-07 17:43:56 +0200456 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100457
Jiri Slaby880d29f2008-06-18 23:55:41 +0200458 case HID_LOCAL_ITEM_TAG_USAGE:
Jiri Kosinadde58452006-12-08 18:40:44 +0100459
Jiri Slaby880d29f2008-06-18 23:55:41 +0200460 if (parser->local.delimiter_branch > 1) {
461 dbg_hid("alternative usage ignored\n");
Jiri Kosinadde58452006-12-08 18:40:44 +0100462 return 0;
Jiri Slaby880d29f2008-06-18 23:55:41 +0200463 }
Jiri Kosinadde58452006-12-08 18:40:44 +0100464
Jiri Slaby880d29f2008-06-18 23:55:41 +0200465 if (item->size <= 2)
466 data = (parser->global.usage_page << 16) + data;
Jiri Kosinadde58452006-12-08 18:40:44 +0100467
Jiri Slaby880d29f2008-06-18 23:55:41 +0200468 return hid_add_usage(parser, data);
469
470 case HID_LOCAL_ITEM_TAG_USAGE_MINIMUM:
471
472 if (parser->local.delimiter_branch > 1) {
473 dbg_hid("alternative usage ignored\n");
474 return 0;
475 }
476
477 if (item->size <= 2)
478 data = (parser->global.usage_page << 16) + data;
479
480 parser->local.usage_minimum = data;
481 return 0;
482
483 case HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM:
484
485 if (parser->local.delimiter_branch > 1) {
486 dbg_hid("alternative usage ignored\n");
487 return 0;
488 }
489
490 if (item->size <= 2)
491 data = (parser->global.usage_page << 16) + data;
492
493 for (n = parser->local.usage_minimum; n <= data; n++)
494 if (hid_add_usage(parser, n)) {
495 dbg_hid("hid_add_usage failed\n");
496 return -1;
Jiri Kosinadde58452006-12-08 18:40:44 +0100497 }
Jiri Slaby880d29f2008-06-18 23:55:41 +0200498 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100499
Jiri Slaby880d29f2008-06-18 23:55:41 +0200500 default:
Jiri Kosinadde58452006-12-08 18:40:44 +0100501
Jiri Slaby880d29f2008-06-18 23:55:41 +0200502 dbg_hid("unknown local item tag 0x%x\n", item->tag);
503 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100504 }
505 return 0;
506}
507
508/*
509 * Process a main item.
510 */
511
512static int hid_parser_main(struct hid_parser *parser, struct hid_item *item)
513{
514 __u32 data;
515 int ret;
516
517 data = item_udata(item);
518
519 switch (item->tag) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200520 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
521 ret = open_collection(parser, data & 0xff);
522 break;
523 case HID_MAIN_ITEM_TAG_END_COLLECTION:
524 ret = close_collection(parser);
525 break;
526 case HID_MAIN_ITEM_TAG_INPUT:
527 ret = hid_add_field(parser, HID_INPUT_REPORT, data);
528 break;
529 case HID_MAIN_ITEM_TAG_OUTPUT:
530 ret = hid_add_field(parser, HID_OUTPUT_REPORT, data);
531 break;
532 case HID_MAIN_ITEM_TAG_FEATURE:
533 ret = hid_add_field(parser, HID_FEATURE_REPORT, data);
534 break;
535 default:
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100536 hid_err(parser->device, "unknown main item tag 0x%x\n", item->tag);
Jiri Slaby880d29f2008-06-18 23:55:41 +0200537 ret = 0;
Jiri Kosinadde58452006-12-08 18:40:44 +0100538 }
539
540 memset(&parser->local, 0, sizeof(parser->local)); /* Reset the local parser environment */
541
542 return ret;
543}
544
545/*
546 * Process a reserved item.
547 */
548
549static int hid_parser_reserved(struct hid_parser *parser, struct hid_item *item)
550{
Jiri Kosina58037eb2007-05-30 15:07:13 +0200551 dbg_hid("reserved item type, tag 0x%x\n", item->tag);
Jiri Kosinadde58452006-12-08 18:40:44 +0100552 return 0;
553}
554
555/*
556 * Free a report and all registered fields. The field->usage and
557 * field->value table's are allocated behind the field, so we need
558 * only to free(field) itself.
559 */
560
561static void hid_free_report(struct hid_report *report)
562{
563 unsigned n;
564
565 for (n = 0; n < report->maxfield; n++)
566 kfree(report->field[n]);
567 kfree(report);
568}
569
570/*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200571 * Close report. This function returns the device
572 * state to the point prior to hid_open_report().
Jiri Kosinadde58452006-12-08 18:40:44 +0100573 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200574static void hid_close_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +0100575{
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200576 unsigned i, j;
Jiri Kosinadde58452006-12-08 18:40:44 +0100577
578 for (i = 0; i < HID_REPORT_TYPES; i++) {
579 struct hid_report_enum *report_enum = device->report_enum + i;
580
Kees Cook43622022013-08-28 22:29:55 +0200581 for (j = 0; j < HID_MAX_IDS; j++) {
Jiri Kosinadde58452006-12-08 18:40:44 +0100582 struct hid_report *report = report_enum->report_id_hash[j];
583 if (report)
584 hid_free_report(report);
585 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200586 memset(report_enum, 0, sizeof(*report_enum));
587 INIT_LIST_HEAD(&report_enum->report_list);
Jiri Kosinadde58452006-12-08 18:40:44 +0100588 }
589
590 kfree(device->rdesc);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200591 device->rdesc = NULL;
592 device->rsize = 0;
593
Jiri Kosina767fe782007-01-24 23:05:07 +0100594 kfree(device->collection);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200595 device->collection = NULL;
596 device->collection_size = 0;
597 device->maxcollection = 0;
598 device->maxapplication = 0;
599
600 device->status &= ~HID_STAT_PARSED;
601}
602
603/*
604 * Free a device structure, all reports, and all fields.
605 */
606
607static void hid_device_release(struct device *dev)
608{
609 struct hid_device *hid = container_of(dev, struct hid_device, dev);
610
611 hid_close_report(hid);
612 kfree(hid->dev_rdesc);
613 kfree(hid);
Jiri Kosinadde58452006-12-08 18:40:44 +0100614}
615
616/*
617 * Fetch a report description item from the data stream. We support long
618 * items, though they are not used yet.
619 */
620
621static u8 *fetch_item(__u8 *start, __u8 *end, struct hid_item *item)
622{
623 u8 b;
624
625 if ((end - start) <= 0)
626 return NULL;
627
628 b = *start++;
629
630 item->type = (b >> 2) & 3;
631 item->tag = (b >> 4) & 15;
632
633 if (item->tag == HID_ITEM_TAG_LONG) {
634
635 item->format = HID_ITEM_FORMAT_LONG;
636
637 if ((end - start) < 2)
638 return NULL;
639
640 item->size = *start++;
641 item->tag = *start++;
642
643 if ((end - start) < item->size)
644 return NULL;
645
646 item->data.longdata = start;
647 start += item->size;
648 return start;
649 }
650
651 item->format = HID_ITEM_FORMAT_SHORT;
652 item->size = b & 3;
653
654 switch (item->size) {
Jiri Slaby880d29f2008-06-18 23:55:41 +0200655 case 0:
656 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100657
Jiri Slaby880d29f2008-06-18 23:55:41 +0200658 case 1:
659 if ((end - start) < 1)
660 return NULL;
661 item->data.u8 = *start++;
662 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100663
Jiri Slaby880d29f2008-06-18 23:55:41 +0200664 case 2:
665 if ((end - start) < 2)
666 return NULL;
667 item->data.u16 = get_unaligned_le16(start);
668 start = (__u8 *)((__le16 *)start + 1);
669 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100670
Jiri Slaby880d29f2008-06-18 23:55:41 +0200671 case 3:
672 item->size++;
673 if ((end - start) < 4)
674 return NULL;
675 item->data.u32 = get_unaligned_le32(start);
676 start = (__u8 *)((__le32 *)start + 1);
677 return start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100678 }
679
680 return NULL;
681}
682
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200683static void hid_scan_input_usage(struct hid_parser *parser, u32 usage)
Henrik Rydberg734c6602012-04-23 12:07:03 +0200684{
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200685 struct hid_device *hid = parser->device;
686
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200687 if (usage == HID_DG_CONTACTID)
688 hid->group = HID_GROUP_MULTITOUCH;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200689}
690
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200691static void hid_scan_feature_usage(struct hid_parser *parser, u32 usage)
692{
693 if (usage == 0xff0000c5 && parser->global.report_count == 256 &&
694 parser->global.report_size == 8)
695 parser->scan_flags |= HID_SCAN_FLAG_MT_WIN_8;
696}
697
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200698static void hid_scan_collection(struct hid_parser *parser, unsigned type)
699{
700 struct hid_device *hid = parser->device;
Andrew Duggane39f2d52014-12-12 10:17:26 -0800701 int i;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200702
703 if (((parser->global.usage_page << 16) == HID_UP_SENSOR) &&
704 type == HID_COLLECTION_PHYSICAL)
705 hid->group = HID_GROUP_SENSOR_HUB;
Alan Wube3b1632014-11-03 18:26:12 -0800706
707 if (hid->vendor == USB_VENDOR_ID_MICROSOFT &&
Alan Wu5e7e9e92015-01-06 18:32:51 -0800708 (hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3 ||
709 hid->product == USB_DEVICE_ID_MS_TYPE_COVER_3_JP) &&
Alan Wube3b1632014-11-03 18:26:12 -0800710 hid->group == HID_GROUP_MULTITOUCH)
711 hid->group = HID_GROUP_GENERIC;
Andrew Duggane39f2d52014-12-12 10:17:26 -0800712
713 if ((parser->global.usage_page << 16) == HID_UP_GENDESK)
714 for (i = 0; i < parser->local.usage_index; i++)
715 if (parser->local.usage[i] == HID_GD_POINTER)
716 parser->scan_flags |= HID_SCAN_FLAG_GD_POINTER;
717
718 if ((parser->global.usage_page << 16) >= HID_UP_MSVENDOR)
719 parser->scan_flags |= HID_SCAN_FLAG_VENDOR_SPECIFIC;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200720}
721
722static int hid_scan_main(struct hid_parser *parser, struct hid_item *item)
723{
724 __u32 data;
725 int i;
726
727 data = item_udata(item);
728
729 switch (item->tag) {
730 case HID_MAIN_ITEM_TAG_BEGIN_COLLECTION:
731 hid_scan_collection(parser, data & 0xff);
732 break;
733 case HID_MAIN_ITEM_TAG_END_COLLECTION:
734 break;
735 case HID_MAIN_ITEM_TAG_INPUT:
Benjamin Tissoirese24d0d32014-03-31 13:27:10 -0400736 /* ignore constant inputs, they will be ignored by hid-input */
737 if (data & HID_MAIN_ITEM_CONSTANT)
738 break;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200739 for (i = 0; i < parser->local.usage_index; i++)
740 hid_scan_input_usage(parser, parser->local.usage[i]);
741 break;
742 case HID_MAIN_ITEM_TAG_OUTPUT:
743 break;
744 case HID_MAIN_ITEM_TAG_FEATURE:
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200745 for (i = 0; i < parser->local.usage_index; i++)
746 hid_scan_feature_usage(parser, parser->local.usage[i]);
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200747 break;
748 }
749
750 /* Reset the local parser environment */
751 memset(&parser->local, 0, sizeof(parser->local));
752
753 return 0;
754}
755
Henrik Rydberg734c6602012-04-23 12:07:03 +0200756/*
757 * Scan a report descriptor before the device is added to the bus.
758 * Sets device groups and other properties that determine what driver
759 * to load.
760 */
761static int hid_scan_report(struct hid_device *hid)
762{
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200763 struct hid_parser *parser;
764 struct hid_item item;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200765 __u8 *start = hid->dev_rdesc;
766 __u8 *end = start + hid->dev_rsize;
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200767 static int (*dispatch_type[])(struct hid_parser *parser,
768 struct hid_item *item) = {
769 hid_scan_main,
770 hid_parser_global,
771 hid_parser_local,
772 hid_parser_reserved
773 };
Henrik Rydberg734c6602012-04-23 12:07:03 +0200774
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200775 parser = vzalloc(sizeof(struct hid_parser));
776 if (!parser)
777 return -ENOMEM;
778
779 parser->device = hid;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200780 hid->group = HID_GROUP_GENERIC;
Henrik Rydberg734c6602012-04-23 12:07:03 +0200781
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200782 /*
783 * The parsing is simpler than the one in hid_open_report() as we should
784 * be robust against hid errors. Those errors will be raised by
785 * hid_open_report() anyway.
786 */
787 while ((start = fetch_item(start, end, &item)) != NULL)
788 dispatch_type[item.type](parser, &item);
789
Benjamin Tissoiresf961bd32013-08-22 14:51:08 +0200790 /*
791 * Handle special flags set during scanning.
792 */
793 if ((parser->scan_flags & HID_SCAN_FLAG_MT_WIN_8) &&
794 (hid->group == HID_GROUP_MULTITOUCH))
795 hid->group = HID_GROUP_MULTITOUCH_WIN_8;
796
Benjamin Tissoiresba391e52014-05-21 11:15:56 -0400797 /*
Benjamin Tissoires29b47392014-07-24 12:52:23 -0700798 * Vendor specific handlings
799 */
800 switch (hid->vendor) {
801 case USB_VENDOR_ID_WACOM:
802 hid->group = HID_GROUP_WACOM;
803 break;
Benjamin Tissoiresc241c5e2014-09-30 13:18:23 -0400804 case USB_VENDOR_ID_SYNAPTICS:
Andrew Duggane39f2d52014-12-12 10:17:26 -0800805 if (hid->group == HID_GROUP_GENERIC)
806 if ((parser->scan_flags & HID_SCAN_FLAG_VENDOR_SPECIFIC)
807 && (parser->scan_flags & HID_SCAN_FLAG_GD_POINTER))
808 /*
809 * hid-rmi should take care of them,
810 * not hid-generic
811 */
812 hid->group = HID_GROUP_RMI;
Benjamin Tissoiresc241c5e2014-09-30 13:18:23 -0400813 break;
Benjamin Tissoires29b47392014-07-24 12:52:23 -0700814 }
815
Benjamin Tissoires3dc8fc02013-08-22 14:51:07 +0200816 vfree(parser);
Henrik Rydberg734c6602012-04-23 12:07:03 +0200817 return 0;
818}
819
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200820/**
821 * hid_parse_report - parse device report
822 *
823 * @device: hid device
824 * @start: report start
825 * @size: report size
826 *
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200827 * Allocate the device report as read by the bus driver. This function should
828 * only be called from parse() in ll drivers.
829 */
830int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size)
831{
832 hid->dev_rdesc = kmemdup(start, size, GFP_KERNEL);
833 if (!hid->dev_rdesc)
834 return -ENOMEM;
835 hid->dev_rsize = size;
836 return 0;
837}
838EXPORT_SYMBOL_GPL(hid_parse_report);
839
Kees Cook331415f2013-09-11 21:56:50 +0200840static const char * const hid_report_names[] = {
841 "HID_INPUT_REPORT",
842 "HID_OUTPUT_REPORT",
843 "HID_FEATURE_REPORT",
844};
845/**
846 * hid_validate_values - validate existing device report's value indexes
847 *
848 * @device: hid device
849 * @type: which report type to examine
850 * @id: which report ID to examine (0 for first)
851 * @field_index: which report field to examine
852 * @report_counts: expected number of values
853 *
854 * Validate the number of values in a given field of a given report, after
855 * parsing.
856 */
857struct hid_report *hid_validate_values(struct hid_device *hid,
858 unsigned int type, unsigned int id,
859 unsigned int field_index,
860 unsigned int report_counts)
861{
862 struct hid_report *report;
863
864 if (type > HID_FEATURE_REPORT) {
865 hid_err(hid, "invalid HID report type %u\n", type);
866 return NULL;
867 }
868
869 if (id >= HID_MAX_IDS) {
870 hid_err(hid, "invalid HID report id %u\n", id);
871 return NULL;
872 }
873
874 /*
875 * Explicitly not using hid_get_report() here since it depends on
876 * ->numbered being checked, which may not always be the case when
877 * drivers go to access report values.
878 */
Kees Cook1b15d2e2014-04-17 13:22:09 -0700879 if (id == 0) {
880 /*
881 * Validating on id 0 means we should examine the first
882 * report in the list.
883 */
884 report = list_entry(
885 hid->report_enum[type].report_list.next,
886 struct hid_report, list);
887 } else {
888 report = hid->report_enum[type].report_id_hash[id];
889 }
Kees Cook331415f2013-09-11 21:56:50 +0200890 if (!report) {
891 hid_err(hid, "missing %s %u\n", hid_report_names[type], id);
892 return NULL;
893 }
894 if (report->maxfield <= field_index) {
895 hid_err(hid, "not enough fields in %s %u\n",
896 hid_report_names[type], id);
897 return NULL;
898 }
899 if (report->field[field_index]->report_count < report_counts) {
900 hid_err(hid, "not enough values in %s %u field %u\n",
901 hid_report_names[type], id, field_index);
902 return NULL;
903 }
904 return report;
905}
906EXPORT_SYMBOL_GPL(hid_validate_values);
907
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200908/**
909 * hid_open_report - open a driver-specific device report
910 *
911 * @device: hid device
912 *
Jiri Kosinadde58452006-12-08 18:40:44 +0100913 * Parse a report description into a hid_device structure. Reports are
914 * enumerated, fields are attached to these reports.
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200915 * 0 returned on success, otherwise nonzero error value.
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200916 *
917 * This function (or the equivalent hid_parse() macro) should only be
918 * called from probe() in drivers, before starting the device.
Jiri Kosinadde58452006-12-08 18:40:44 +0100919 */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200920int hid_open_report(struct hid_device *device)
Jiri Kosinadde58452006-12-08 18:40:44 +0100921{
Jiri Kosinadde58452006-12-08 18:40:44 +0100922 struct hid_parser *parser;
923 struct hid_item item;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200924 unsigned int size;
925 __u8 *start;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700926 __u8 *buf;
Jiri Kosinadde58452006-12-08 18:40:44 +0100927 __u8 *end;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200928 int ret;
Jiri Kosinadde58452006-12-08 18:40:44 +0100929 static int (*dispatch_type[])(struct hid_parser *parser,
930 struct hid_item *item) = {
931 hid_parser_main,
932 hid_parser_global,
933 hid_parser_local,
934 hid_parser_reserved
935 };
936
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200937 if (WARN_ON(device->status & HID_STAT_PARSED))
938 return -EBUSY;
939
940 start = device->dev_rdesc;
941 if (WARN_ON(!start))
942 return -ENODEV;
943 size = device->dev_rsize;
944
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700945 buf = kmemdup(start, size, GFP_KERNEL);
946 if (buf == NULL)
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200947 return -ENOMEM;
Kevin Daughtridge86e6b772012-09-20 12:00:32 -0700948
949 if (device->driver->report_fixup)
950 start = device->driver->report_fixup(device, buf, &size);
951 else
952 start = buf;
953
954 start = kmemdup(start, size, GFP_KERNEL);
955 kfree(buf);
956 if (start == NULL)
957 return -ENOMEM;
958
959 device->rdesc = start;
Jiri Kosinadde58452006-12-08 18:40:44 +0100960 device->rsize = size;
961
Joe Perchesfe258022010-12-09 19:29:04 -0800962 parser = vzalloc(sizeof(struct hid_parser));
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200963 if (!parser) {
964 ret = -ENOMEM;
965 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100966 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200967
Jiri Kosinadde58452006-12-08 18:40:44 +0100968 parser->device = device;
969
970 end = start + size;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200971
972 device->collection = kcalloc(HID_DEFAULT_NUM_COLLECTIONS,
973 sizeof(struct hid_collection), GFP_KERNEL);
974 if (!device->collection) {
975 ret = -ENOMEM;
976 goto err;
977 }
978 device->collection_size = HID_DEFAULT_NUM_COLLECTIONS;
979
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200980 ret = -EINVAL;
Jiri Kosinadde58452006-12-08 18:40:44 +0100981 while ((start = fetch_item(start, end, &item)) != NULL) {
982
983 if (item.format != HID_ITEM_FORMAT_SHORT) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100984 hid_err(device, "unexpected long global item\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200985 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100986 }
987
988 if (dispatch_type[item.type](parser, &item)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100989 hid_err(device, "item %u %u %u %u parsing failed\n",
Joe Perches4291ee32010-12-09 19:29:03 -0800990 item.format, (unsigned)item.size,
991 (unsigned)item.type, (unsigned)item.tag);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200992 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100993 }
994
995 if (start == end) {
996 if (parser->collection_stack_ptr) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +0100997 hid_err(device, "unbalanced collection at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200998 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +0100999 }
1000 if (parser->local.delimiter_depth) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001001 hid_err(device, "unbalanced delimiter at end of report description\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001002 goto err;
Jiri Kosinadde58452006-12-08 18:40:44 +01001003 }
Jiri Kosina47a80ed2007-03-12 14:55:12 +01001004 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001005 device->status |= HID_STAT_PARSED;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001006 return 0;
Jiri Kosinadde58452006-12-08 18:40:44 +01001007 }
1008 }
1009
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001010 hid_err(device, "item fetching failed at offset %d\n", (int)(end - start));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001011err:
Jiri Kosina47a80ed2007-03-12 14:55:12 +01001012 vfree(parser);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001013 hid_close_report(device);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001014 return ret;
Jiri Kosinadde58452006-12-08 18:40:44 +01001015}
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02001016EXPORT_SYMBOL_GPL(hid_open_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001017
1018/*
1019 * Convert a signed n-bit integer to signed 32-bit integer. Common
1020 * cases are done through the compiler, the screwed things has to be
1021 * done by hand.
1022 */
1023
1024static s32 snto32(__u32 value, unsigned n)
1025{
1026 switch (n) {
Jiri Slaby880d29f2008-06-18 23:55:41 +02001027 case 8: return ((__s8)value);
1028 case 16: return ((__s16)value);
1029 case 32: return ((__s32)value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001030 }
1031 return value & (1 << (n - 1)) ? value | (-1 << n) : value;
1032}
1033
Benjamin Tissoires77463832012-11-14 16:59:15 +01001034s32 hid_snto32(__u32 value, unsigned n)
1035{
1036 return snto32(value, n);
1037}
1038EXPORT_SYMBOL_GPL(hid_snto32);
1039
Jiri Kosinadde58452006-12-08 18:40:44 +01001040/*
1041 * Convert a signed 32-bit integer to a signed n-bit integer.
1042 */
1043
1044static u32 s32ton(__s32 value, unsigned n)
1045{
1046 s32 a = value >> (n - 1);
1047 if (a && a != -1)
1048 return value < 0 ? 1 << (n - 1) : (1 << (n - 1)) - 1;
1049 return value & ((1 << n) - 1);
1050}
1051
1052/*
1053 * Extract/implement a data field from/to a little endian report (bit array).
1054 *
1055 * Code sort-of follows HID spec:
1056 * http://www.usb.org/developers/devclass_docs/HID1_11.pdf
1057 *
1058 * While the USB HID spec allows unlimited length bit fields in "report
1059 * descriptors", most devices never use more than 16 bits.
1060 * One model of UPS is claimed to report "LINEV" as a 32-bit field.
1061 * Search linux-kernel and linux-usb-devel archives for "hid-core extract".
1062 */
1063
Joe Perches16ee4cc2010-12-09 19:29:05 -08001064static __u32 extract(const struct hid_device *hid, __u8 *report,
1065 unsigned offset, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001066{
1067 u64 x;
1068
Jiri Kosinac4124c92007-11-30 11:12:58 +01001069 if (n > 32)
Joe Perches4291ee32010-12-09 19:29:03 -08001070 hid_warn(hid, "extract() called with n (%d) > 32! (%s)\n",
1071 n, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001072
1073 report += offset >> 3; /* adjust byte index */
Jiri Kosina229695e2006-12-08 18:40:53 +01001074 offset &= 7; /* now only need bit offset into one byte */
Harvey Harrisonc1050682008-04-29 01:03:31 -07001075 x = get_unaligned_le64(report);
Jiri Kosina229695e2006-12-08 18:40:53 +01001076 x = (x >> offset) & ((1ULL << n) - 1); /* extract bit field */
Jiri Kosinadde58452006-12-08 18:40:44 +01001077 return (u32) x;
1078}
1079
1080/*
1081 * "implement" : set bits in a little endian bit stream.
1082 * Same concepts as "extract" (see comments above).
1083 * The data mangled in the bit stream remains in little endian
1084 * order the whole time. It make more sense to talk about
1085 * endianness of register values by considering a register
1086 * a "cached" copy of the little endiad bit stream.
1087 */
Joe Perches16ee4cc2010-12-09 19:29:05 -08001088static void implement(const struct hid_device *hid, __u8 *report,
1089 unsigned offset, unsigned n, __u32 value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001090{
Harvey Harrison6f0168d2008-05-16 11:00:23 +02001091 u64 x;
Jiri Kosinadde58452006-12-08 18:40:44 +01001092 u64 m = (1ULL << n) - 1;
1093
Jiri Kosinac4124c92007-11-30 11:12:58 +01001094 if (n > 32)
Joe Perches4291ee32010-12-09 19:29:03 -08001095 hid_warn(hid, "%s() called with n (%d) > 32! (%s)\n",
1096 __func__, n, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001097
Jiri Kosinac4124c92007-11-30 11:12:58 +01001098 if (value > m)
Joe Perches4291ee32010-12-09 19:29:03 -08001099 hid_warn(hid, "%s() called with too large value %d! (%s)\n",
1100 __func__, value, current->comm);
Jiri Kosinadde58452006-12-08 18:40:44 +01001101 WARN_ON(value > m);
1102 value &= m;
1103
1104 report += offset >> 3;
1105 offset &= 7;
1106
Harvey Harrison6f0168d2008-05-16 11:00:23 +02001107 x = get_unaligned_le64(report);
1108 x &= ~(m << offset);
1109 x |= ((u64)value) << offset;
1110 put_unaligned_le64(x, report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001111}
1112
1113/*
1114 * Search an array for a value.
1115 */
1116
Joe Perches16ee4cc2010-12-09 19:29:05 -08001117static int search(__s32 *array, __s32 value, unsigned n)
Jiri Kosinadde58452006-12-08 18:40:44 +01001118{
1119 while (n--) {
1120 if (*array++ == value)
1121 return 0;
1122 }
1123 return -1;
1124}
1125
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001126/**
1127 * hid_match_report - check if driver's raw_event should be called
1128 *
1129 * @hid: hid device
1130 * @report_type: type to match against
1131 *
1132 * compare hid->driver->report_table->report_type to report->type
1133 */
1134static int hid_match_report(struct hid_device *hid, struct hid_report *report)
Jiri Kosinadde58452006-12-08 18:40:44 +01001135{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001136 const struct hid_report_id *id = hid->driver->report_table;
1137
1138 if (!id) /* NULL means all */
1139 return 1;
1140
1141 for (; id->report_type != HID_TERMINATOR; id++)
1142 if (id->report_type == HID_ANY_ID ||
1143 id->report_type == report->type)
1144 return 1;
1145 return 0;
1146}
1147
1148/**
1149 * hid_match_usage - check if driver's event should be called
1150 *
1151 * @hid: hid device
1152 * @usage: usage to match against
1153 *
1154 * compare hid->driver->usage_table->usage_{type,code} to
1155 * usage->usage_{type,code}
1156 */
1157static int hid_match_usage(struct hid_device *hid, struct hid_usage *usage)
1158{
1159 const struct hid_usage_id *id = hid->driver->usage_table;
1160
1161 if (!id) /* NULL means all */
1162 return 1;
1163
1164 for (; id->usage_type != HID_ANY_ID - 1; id++)
1165 if ((id->usage_hid == HID_ANY_ID ||
1166 id->usage_hid == usage->hid) &&
1167 (id->usage_type == HID_ANY_ID ||
1168 id->usage_type == usage->type) &&
1169 (id->usage_code == HID_ANY_ID ||
1170 id->usage_code == usage->code))
1171 return 1;
1172 return 0;
1173}
1174
1175static void hid_process_event(struct hid_device *hid, struct hid_field *field,
1176 struct hid_usage *usage, __s32 value, int interrupt)
1177{
1178 struct hid_driver *hdrv = hid->driver;
1179 int ret;
1180
Henrik Rydberg9bfc8da2012-09-01 21:47:11 +02001181 if (!list_empty(&hid->debug_list))
1182 hid_dump_input(hid, usage, value);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001183
1184 if (hdrv && hdrv->event && hid_match_usage(hid, usage)) {
1185 ret = hdrv->event(hid, field, usage, value);
1186 if (ret != 0) {
1187 if (ret < 0)
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001188 hid_err(hid, "%s's event failed with %d\n",
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001189 hdrv->name, ret);
1190 return;
1191 }
1192 }
1193
Jiri Kosinadde58452006-12-08 18:40:44 +01001194 if (hid->claimed & HID_CLAIMED_INPUT)
1195 hidinput_hid_event(hid, field, usage, value);
Jiri Kosinaaa938f72006-12-08 18:41:10 +01001196 if (hid->claimed & HID_CLAIMED_HIDDEV && interrupt && hid->hiddev_hid_event)
1197 hid->hiddev_hid_event(hid, field, usage, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001198}
1199
1200/*
1201 * Analyse a received field, and fetch the data from it. The field
1202 * content is stored for next report processing (we do differential
1203 * reporting to the layer).
1204 */
1205
Adrian Bunkabdff0f2008-03-31 01:53:56 +02001206static void hid_input_field(struct hid_device *hid, struct hid_field *field,
1207 __u8 *data, int interrupt)
Jiri Kosinadde58452006-12-08 18:40:44 +01001208{
1209 unsigned n;
1210 unsigned count = field->report_count;
1211 unsigned offset = field->report_offset;
1212 unsigned size = field->report_size;
1213 __s32 min = field->logical_minimum;
1214 __s32 max = field->logical_maximum;
1215 __s32 *value;
1216
Joe Perchesa3789a12010-12-09 19:29:07 -08001217 value = kmalloc(sizeof(__s32) * count, GFP_ATOMIC);
1218 if (!value)
Jiri Kosinadde58452006-12-08 18:40:44 +01001219 return;
1220
1221 for (n = 0; n < count; n++) {
1222
Joe Perches4291ee32010-12-09 19:29:03 -08001223 value[n] = min < 0 ?
1224 snto32(extract(hid, data, offset + n * size, size),
1225 size) :
1226 extract(hid, data, offset + n * size, size);
Jiri Kosinadde58452006-12-08 18:40:44 +01001227
Joe Perches4291ee32010-12-09 19:29:03 -08001228 /* Ignore report if ErrorRollOver */
1229 if (!(field->flags & HID_MAIN_ITEM_VARIABLE) &&
1230 value[n] >= min && value[n] <= max &&
1231 field->usage[value[n] - min].hid == HID_UP_KEYBOARD + 1)
1232 goto exit;
Jiri Kosinadde58452006-12-08 18:40:44 +01001233 }
1234
1235 for (n = 0; n < count; n++) {
1236
1237 if (HID_MAIN_ITEM_VARIABLE & field->flags) {
1238 hid_process_event(hid, field, &field->usage[n], value[n], interrupt);
1239 continue;
1240 }
1241
1242 if (field->value[n] >= min && field->value[n] <= max
1243 && field->usage[field->value[n] - min].hid
1244 && search(value, field->value[n], count))
1245 hid_process_event(hid, field, &field->usage[field->value[n] - min], 0, interrupt);
1246
1247 if (value[n] >= min && value[n] <= max
1248 && field->usage[value[n] - min].hid
1249 && search(field->value, value[n], count))
1250 hid_process_event(hid, field, &field->usage[value[n] - min], 1, interrupt);
1251 }
1252
1253 memcpy(field->value, value, count * sizeof(__s32));
1254exit:
1255 kfree(value);
1256}
Jiri Kosinadde58452006-12-08 18:40:44 +01001257
1258/*
1259 * Output the field into the report.
1260 */
1261
Joe Perches4291ee32010-12-09 19:29:03 -08001262static void hid_output_field(const struct hid_device *hid,
1263 struct hid_field *field, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001264{
1265 unsigned count = field->report_count;
1266 unsigned offset = field->report_offset;
1267 unsigned size = field->report_size;
1268 unsigned n;
1269
1270 for (n = 0; n < count; n++) {
1271 if (field->logical_minimum < 0) /* signed values */
Joe Perches4291ee32010-12-09 19:29:03 -08001272 implement(hid, data, offset + n * size, size,
1273 s32ton(field->value[n], size));
Jiri Kosinadde58452006-12-08 18:40:44 +01001274 else /* unsigned values */
Joe Perches4291ee32010-12-09 19:29:03 -08001275 implement(hid, data, offset + n * size, size,
1276 field->value[n]);
Jiri Kosinadde58452006-12-08 18:40:44 +01001277 }
1278}
1279
1280/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001281 * Create a report. 'data' has to be allocated using
1282 * hid_alloc_report_buf() so that it has proper size.
Jiri Kosinadde58452006-12-08 18:40:44 +01001283 */
1284
Jiri Kosina229695e2006-12-08 18:40:53 +01001285void hid_output_report(struct hid_report *report, __u8 *data)
Jiri Kosinadde58452006-12-08 18:40:44 +01001286{
1287 unsigned n;
1288
1289 if (report->id > 0)
1290 *data++ = report->id;
1291
Pete Zaitcev75c28df2010-04-12 12:16:11 -06001292 memset(data, 0, ((report->size - 1) >> 3) + 1);
Jiri Kosinadde58452006-12-08 18:40:44 +01001293 for (n = 0; n < report->maxfield; n++)
Joe Perches4291ee32010-12-09 19:29:03 -08001294 hid_output_field(report->device, report->field[n], data);
Jiri Kosinadde58452006-12-08 18:40:44 +01001295}
Jiri Kosina229695e2006-12-08 18:40:53 +01001296EXPORT_SYMBOL_GPL(hid_output_report);
Jiri Kosinadde58452006-12-08 18:40:44 +01001297
1298/*
Jiri Kosina27ce4052013-07-10 19:56:27 +02001299 * Allocator for buffer that is going to be passed to hid_output_report()
1300 */
1301u8 *hid_alloc_report_buf(struct hid_report *report, gfp_t flags)
1302{
1303 /*
1304 * 7 extra bytes are necessary to achieve proper functionality
1305 * of implement() working on 8 byte chunks
1306 */
1307
Benjamin Tissoires19e4ec52014-04-30 17:48:40 -04001308 int len = hid_report_len(report) + 7;
Jiri Kosina27ce4052013-07-10 19:56:27 +02001309
1310 return kmalloc(len, flags);
1311}
1312EXPORT_SYMBOL_GPL(hid_alloc_report_buf);
1313
1314/*
Jiri Kosinadde58452006-12-08 18:40:44 +01001315 * Set a field value. The report this field belongs to has to be
1316 * created and transferred to the device, to set this value in the
1317 * device.
1318 */
1319
1320int hid_set_field(struct hid_field *field, unsigned offset, __s32 value)
1321{
Kees Cookbe67b682013-08-28 22:32:01 +02001322 unsigned size;
1323
1324 if (!field)
1325 return -1;
1326
1327 size = field->report_size;
Jiri Kosinadde58452006-12-08 18:40:44 +01001328
Jiri Kosinacd667ce2009-06-12 15:20:57 +02001329 hid_dump_input(field->report->device, field->usage + offset, value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001330
1331 if (offset >= field->report_count) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001332 hid_err(field->report->device, "offset (%d) exceeds report_count (%d)\n",
1333 offset, field->report_count);
Jiri Kosinadde58452006-12-08 18:40:44 +01001334 return -1;
1335 }
1336 if (field->logical_minimum < 0) {
1337 if (value != snto32(s32ton(value, size), size)) {
Jiri Kosina8c3d52f2011-12-15 11:00:38 +01001338 hid_err(field->report->device, "value %d is out of range\n", value);
Jiri Kosinadde58452006-12-08 18:40:44 +01001339 return -1;
1340 }
1341 }
1342 field->value[offset] = value;
1343 return 0;
1344}
Jiri Kosina229695e2006-12-08 18:40:53 +01001345EXPORT_SYMBOL_GPL(hid_set_field);
Jiri Kosinadde58452006-12-08 18:40:44 +01001346
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001347static struct hid_report *hid_get_report(struct hid_report_enum *report_enum,
1348 const u8 *data)
1349{
1350 struct hid_report *report;
1351 unsigned int n = 0; /* Normally report number is 0 */
1352
1353 /* Device uses numbered reports, data[0] is report number */
1354 if (report_enum->numbered)
1355 n = *data;
1356
1357 report = report_enum->report_id_hash[n];
1358 if (report == NULL)
1359 dbg_hid("undefined report_id %u received\n", n);
1360
1361 return report;
1362}
1363
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001364/*
1365 * Implement a generic .request() callback, using .raw_request()
1366 * DO NOT USE in hid drivers directly, but through hid_hw_request instead.
1367 */
1368void __hid_request(struct hid_device *hid, struct hid_report *report,
1369 int reqtype)
1370{
1371 char *buf;
1372 int ret;
1373 int len;
1374
Benjamin Tissoires4fa5a7f2014-02-10 12:58:48 -05001375 buf = hid_alloc_report_buf(report, GFP_KERNEL);
1376 if (!buf)
1377 return;
1378
1379 len = hid_report_len(report);
1380
1381 if (reqtype == HID_REQ_SET_REPORT)
1382 hid_output_report(report, buf);
1383
1384 ret = hid->ll_driver->raw_request(hid, report->id, buf, len,
1385 report->type, reqtype);
1386 if (ret < 0) {
1387 dbg_hid("unable to complete request: %d\n", ret);
1388 goto out;
1389 }
1390
1391 if (reqtype == HID_REQ_GET_REPORT)
1392 hid_input_report(hid, report->type, buf, ret, 0);
1393
1394out:
1395 kfree(buf);
1396}
1397EXPORT_SYMBOL_GPL(__hid_request);
1398
Jiri Kosinab6787242012-04-27 00:56:08 +02001399int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001400 int interrupt)
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001401{
1402 struct hid_report_enum *report_enum = hid->report_enum + type;
1403 struct hid_report *report;
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001404 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001405 unsigned int a;
1406 int rsize, csize = size;
1407 u8 *cdata = data;
Jiri Kosinab6787242012-04-27 00:56:08 +02001408 int ret = 0;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001409
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001410 report = hid_get_report(report_enum, data);
1411 if (!report)
Jiri Kosinab6787242012-04-27 00:56:08 +02001412 goto out;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001413
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001414 if (report_enum->numbered) {
1415 cdata++;
1416 csize--;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001417 }
1418
1419 rsize = ((report->size - 1) >> 3) + 1;
1420
Armando Visconti966922f2011-05-19 21:41:22 +02001421 if (rsize > HID_MAX_BUFFER_SIZE)
1422 rsize = HID_MAX_BUFFER_SIZE;
1423
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001424 if (csize < rsize) {
1425 dbg_hid("report %d is too short, (%d < %d)\n", report->id,
1426 csize, rsize);
1427 memset(cdata + csize, 0, rsize - csize);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001428 }
1429
1430 if ((hid->claimed & HID_CLAIMED_HIDDEV) && hid->hiddev_report_event)
1431 hid->hiddev_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001432 if (hid->claimed & HID_CLAIMED_HIDRAW) {
1433 ret = hidraw_report_event(hid, data, size);
1434 if (ret)
1435 goto out;
1436 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001437
Benjamin Tissoirescc6b54a2013-09-11 21:56:57 +02001438 if (hid->claimed != HID_CLAIMED_HIDRAW && report->maxfield) {
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001439 for (a = 0; a < report->maxfield; a++)
1440 hid_input_field(hid, report->field[a], cdata, interrupt);
Benjamin Tissoires6d85d032013-01-31 17:22:23 +01001441 hdrv = hid->driver;
1442 if (hdrv && hdrv->report)
1443 hdrv->report(hid, report);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001444 }
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001445
1446 if (hid->claimed & HID_CLAIMED_INPUT)
1447 hidinput_report_event(hid, report);
Jiri Kosinab6787242012-04-27 00:56:08 +02001448out:
1449 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001450}
1451EXPORT_SYMBOL_GPL(hid_report_raw_event);
1452
1453/**
1454 * hid_input_report - report data from lower layer (usb, bt...)
1455 *
1456 * @hid: hid device
1457 * @type: HID report type (HID_*_REPORT)
1458 * @data: report contents
1459 * @size: size of data parameter
Jiri Kosinaff9b00a2009-10-01 16:03:13 +02001460 * @interrupt: distinguish between interrupt and control transfers
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001461 *
1462 * This is data entry for lower layers.
1463 */
1464int hid_input_report(struct hid_device *hid, int type, u8 *data, int size, int interrupt)
1465{
Julia Lawall76c317d2009-07-19 17:26:13 +02001466 struct hid_report_enum *report_enum;
1467 struct hid_driver *hdrv;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001468 struct hid_report *report;
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001469 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001470
David Herrmann4ea54542011-08-10 14:02:07 +02001471 if (!hid)
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001472 return -ENODEV;
David Herrmann4ea54542011-08-10 14:02:07 +02001473
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001474 if (down_trylock(&hid->driver_input_lock))
David Herrmann4ea54542011-08-10 14:02:07 +02001475 return -EBUSY;
1476
1477 if (!hid->driver) {
1478 ret = -ENODEV;
1479 goto unlock;
1480 }
Julia Lawall76c317d2009-07-19 17:26:13 +02001481 report_enum = hid->report_enum + type;
1482 hdrv = hid->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001483
1484 if (!size) {
1485 dbg_hid("empty report\n");
David Herrmann4ea54542011-08-10 14:02:07 +02001486 ret = -1;
1487 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001488 }
1489
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001490 /* Avoid unnecessary overhead if debugfs is disabled */
Benjamin Tissoiresa5f04b92013-04-17 19:38:13 +02001491 if (!list_empty(&hid->debug_list))
1492 hid_dump_report(hid, type, data, size);
Matthieu CASTETb94e3c92012-06-28 16:53:11 +02001493
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001494 report = hid_get_report(report_enum, data);
1495
David Herrmann4ea54542011-08-10 14:02:07 +02001496 if (!report) {
1497 ret = -1;
1498 goto unlock;
1499 }
Jiri Kosinaf77e3472010-03-18 14:11:53 +01001500
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001501 if (hdrv && hdrv->raw_event && hid_match_report(hid, report)) {
1502 ret = hdrv->raw_event(hid, report, data, size);
Felix Rueegg556483e2013-10-08 19:33:47 +02001503 if (ret < 0)
David Herrmann4ea54542011-08-10 14:02:07 +02001504 goto unlock;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001505 }
1506
Jiri Kosinab6787242012-04-27 00:56:08 +02001507 ret = hid_report_raw_event(hid, type, data, size, interrupt);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001508
David Herrmann4ea54542011-08-10 14:02:07 +02001509unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08001510 up(&hid->driver_input_lock);
Jiri Kosina45dc1ac2011-08-10 14:02:59 +02001511 return ret;
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +01001512}
1513EXPORT_SYMBOL_GPL(hid_input_report);
1514
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001515static bool hid_match_one_id(struct hid_device *hdev,
1516 const struct hid_device_id *id)
1517{
Henrik Rydberg7431fb72012-04-23 12:07:04 +02001518 return (id->bus == HID_BUS_ANY || id->bus == hdev->bus) &&
Henrik Rydberg4d53b802012-04-23 12:07:02 +02001519 (id->group == HID_GROUP_ANY || id->group == hdev->group) &&
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001520 (id->vendor == HID_ANY_ID || id->vendor == hdev->vendor) &&
1521 (id->product == HID_ANY_ID || id->product == hdev->product);
1522}
1523
Jeremy Fitzhardingebbc21cf2011-12-02 11:12:36 -08001524const struct hid_device_id *hid_match_id(struct hid_device *hdev,
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001525 const struct hid_device_id *id)
1526{
1527 for (; id->bus; id++)
1528 if (hid_match_one_id(hdev, id))
1529 return id;
1530
1531 return NULL;
1532}
1533
1534static const struct hid_device_id hid_hiddev_list[] = {
Richard Hughesc0bd6a42008-08-27 11:19:37 +02001535 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS) },
1536 { HID_USB_DEVICE(USB_VENDOR_ID_MGE, USB_DEVICE_ID_MGE_UPS1) },
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001537 { }
1538};
1539
1540static bool hid_hiddev(struct hid_device *hdev)
1541{
1542 return !!hid_match_id(hdev, hid_hiddev_list);
1543}
1544
Alan Ott6d3bfb72011-01-23 22:50:18 -05001545
1546static ssize_t
1547read_report_descriptor(struct file *filp, struct kobject *kobj,
1548 struct bin_attribute *attr,
1549 char *buf, loff_t off, size_t count)
1550{
1551 struct device *dev = container_of(kobj, struct device, kobj);
1552 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
1553
1554 if (off >= hdev->rsize)
1555 return 0;
1556
1557 if (off + count > hdev->rsize)
1558 count = hdev->rsize - off;
1559
1560 memcpy(buf, hdev->rdesc + off, count);
1561
1562 return count;
1563}
1564
1565static struct bin_attribute dev_bin_attr_report_desc = {
1566 .attr = { .name = "report_descriptor", .mode = 0444 },
1567 .read = read_report_descriptor,
1568 .size = HID_MAX_DESCRIPTOR_SIZE,
1569};
1570
Jiri Slaby93c10132008-06-27 00:04:24 +02001571int hid_connect(struct hid_device *hdev, unsigned int connect_mask)
1572{
1573 static const char *types[] = { "Device", "Pointer", "Mouse", "Device",
1574 "Joystick", "Gamepad", "Keyboard", "Keypad",
1575 "Multi-Axis Controller"
1576 };
1577 const char *type, *bus;
1578 char buf[64];
1579 unsigned int i;
1580 int len;
Alan Ott6d3bfb72011-01-23 22:50:18 -05001581 int ret;
Jiri Slaby93c10132008-06-27 00:04:24 +02001582
Bastien Nocerab5e5a372010-04-16 17:19:50 +01001583 if (hdev->quirks & HID_QUIRK_HIDDEV_FORCE)
1584 connect_mask |= (HID_CONNECT_HIDDEV_FORCE | HID_CONNECT_HIDDEV);
Daniel Mack3a343ee2010-07-12 19:28:27 +02001585 if (hdev->quirks & HID_QUIRK_HIDINPUT_FORCE)
1586 connect_mask |= HID_CONNECT_HIDINPUT_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001587 if (hdev->bus != BUS_USB)
1588 connect_mask &= ~HID_CONNECT_HIDDEV;
Jiri Kosina0f37cd02008-08-20 19:13:52 +02001589 if (hid_hiddev(hdev))
1590 connect_mask |= HID_CONNECT_HIDDEV_FORCE;
Jiri Slaby93c10132008-06-27 00:04:24 +02001591
1592 if ((connect_mask & HID_CONNECT_HIDINPUT) && !hidinput_connect(hdev,
1593 connect_mask & HID_CONNECT_HIDINPUT_FORCE))
1594 hdev->claimed |= HID_CLAIMED_INPUT;
Benjamin Tissoiresb77c3922011-09-21 16:56:54 +02001595
Jiri Slaby93c10132008-06-27 00:04:24 +02001596 if ((connect_mask & HID_CONNECT_HIDDEV) && hdev->hiddev_connect &&
1597 !hdev->hiddev_connect(hdev,
1598 connect_mask & HID_CONNECT_HIDDEV_FORCE))
1599 hdev->claimed |= HID_CLAIMED_HIDDEV;
1600 if ((connect_mask & HID_CONNECT_HIDRAW) && !hidraw_connect(hdev))
1601 hdev->claimed |= HID_CLAIMED_HIDRAW;
1602
Benjamin Tissoires7704ac92014-09-23 12:08:08 -04001603 if (connect_mask & HID_CONNECT_DRIVER)
1604 hdev->claimed |= HID_CLAIMED_DRIVER;
1605
David Herrmann4bc19f62012-07-20 11:49:09 +02001606 /* Drivers with the ->raw_event callback set are not required to connect
1607 * to any other listener. */
1608 if (!hdev->claimed && !hdev->driver->raw_event) {
1609 hid_err(hdev, "device has no listeners, quitting\n");
Jiri Slaby93c10132008-06-27 00:04:24 +02001610 return -ENODEV;
1611 }
1612
1613 if ((hdev->claimed & HID_CLAIMED_INPUT) &&
1614 (connect_mask & HID_CONNECT_FF) && hdev->ff_init)
1615 hdev->ff_init(hdev);
1616
1617 len = 0;
1618 if (hdev->claimed & HID_CLAIMED_INPUT)
1619 len += sprintf(buf + len, "input");
1620 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1621 len += sprintf(buf + len, "%shiddev%d", len ? "," : "",
1622 hdev->minor);
1623 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1624 len += sprintf(buf + len, "%shidraw%d", len ? "," : "",
1625 ((struct hidraw *)hdev->hidraw)->minor);
1626
1627 type = "Device";
1628 for (i = 0; i < hdev->maxcollection; i++) {
1629 struct hid_collection *col = &hdev->collection[i];
1630 if (col->type == HID_COLLECTION_APPLICATION &&
1631 (col->usage & HID_USAGE_PAGE) == HID_UP_GENDESK &&
1632 (col->usage & 0xffff) < ARRAY_SIZE(types)) {
1633 type = types[col->usage & 0xffff];
1634 break;
1635 }
1636 }
1637
1638 switch (hdev->bus) {
1639 case BUS_USB:
1640 bus = "USB";
1641 break;
1642 case BUS_BLUETOOTH:
1643 bus = "BLUETOOTH";
1644 break;
1645 default:
1646 bus = "<UNKNOWN>";
1647 }
1648
Alan Ott6d3bfb72011-01-23 22:50:18 -05001649 ret = device_create_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
1650 if (ret)
1651 hid_warn(hdev,
1652 "can't create sysfs report descriptor attribute err: %d\n", ret);
1653
Joe Perches4291ee32010-12-09 19:29:03 -08001654 hid_info(hdev, "%s: %s HID v%x.%02x %s [%s] on %s\n",
1655 buf, bus, hdev->version >> 8, hdev->version & 0xff,
1656 type, hdev->name, hdev->phys);
Jiri Slaby93c10132008-06-27 00:04:24 +02001657
1658 return 0;
1659}
1660EXPORT_SYMBOL_GPL(hid_connect);
1661
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001662void hid_disconnect(struct hid_device *hdev)
1663{
Alan Ott6d3bfb72011-01-23 22:50:18 -05001664 device_remove_bin_file(&hdev->dev, &dev_bin_attr_report_desc);
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001665 if (hdev->claimed & HID_CLAIMED_INPUT)
1666 hidinput_disconnect(hdev);
1667 if (hdev->claimed & HID_CLAIMED_HIDDEV)
1668 hdev->hiddev_disconnect(hdev);
1669 if (hdev->claimed & HID_CLAIMED_HIDRAW)
1670 hidraw_disconnect(hdev);
Benjamin Tissoires9c5c6ed2014-11-03 15:33:32 -05001671 hdev->claimed = 0;
Jiri Kosinac4c259b2009-09-15 16:27:45 +02001672}
1673EXPORT_SYMBOL_GPL(hid_disconnect);
1674
Jiri Kosina00315e42012-09-02 09:28:51 +02001675/*
1676 * A list of devices for which there is a specialized driver on HID bus.
1677 *
1678 * Please note that for multitouch devices (driven by hid-multitouch driver),
1679 * there is a proper autodetection and autoloading in place (based on presence
1680 * of HID_DG_CONTACTID), so those devices don't need to be added to this list,
1681 * as we are doing the right thing in hid_scan_usage().
Alexander Holler83499b52012-12-09 12:44:30 +01001682 *
1683 * Autodetection for (USB) HID sensor hubs exists too. If a collection of type
1684 * physical is found inside a usage page of type sensor, hid-sensor-hub will be
1685 * used as a driver. See hid_scan_report().
Jiri Kosina00315e42012-09-02 09:28:51 +02001686 */
Dmitry Torokhovce06b9d2010-11-28 16:37:14 +01001687static const struct hid_device_id hid_have_special_driver[] = {
Jiri Slaby14a21cd2008-06-23 23:31:09 +02001688 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_WCP32PU) },
1689 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_X5_005D) },
Lech Perczakb7e1b202010-09-16 23:19:33 +02001690 { HID_USB_DEVICE(USB_VENDOR_ID_A4TECH, USB_DEVICE_ID_A4TECH_RP_649) },
Sergei Kolzunc0dbcc32010-07-19 12:13:23 +02001691 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0x0802) },
Tristan Ricee17f5d762013-11-12 19:06:23 +01001692 { HID_USB_DEVICE(USB_VENDOR_ID_ACRUX, 0xf705) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001693 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MIGHTYMOUSE) },
Michael Poole128537c2010-02-06 12:24:36 -05001694 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICMOUSE) },
Chase Douglasa4622302010-08-31 21:56:23 -04001695 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_MAGICTRACKPAD) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001696 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
1697 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
1698 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
1699 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
1700 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
1701 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
1702 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
1703 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
1704 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
1705 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
1706 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
Ryan Finniefef3f572009-03-05 10:18:01 +01001707 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ANSI) },
1708 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_ISO) },
1709 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_MINI_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001710 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ANSI) },
1711 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_ISO) },
1712 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_JIS) },
1713 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
1714 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
1715 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
Benjamin Tissoires9a4a5572013-04-17 18:15:15 +02001716 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL) },
1717 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL2) },
1718 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL3) },
1719 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL4) },
1720 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_IRCONTROL5) },
Jan Scholzee8a1a02008-11-26 15:33:45 +01001721 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI) },
1722 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_ISO) },
1723 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001724 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
1725 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
1726 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
1727 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
1728 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
1729 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Henrik Rydberga96d6ef2008-11-04 20:03:45 +01001730 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
1731 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
1732 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04001733 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
1734 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
1735 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
1736 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
1737 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
1738 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08001739 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
1740 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
1741 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03001742 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
1743 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
1744 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Dan Bastone4a4c8792011-07-31 07:40:49 -04001745 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ANSI) },
1746 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_ISO) },
1747 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_REVB_JIS) },
Jiri Kosinaf6f554f2011-08-10 14:12:52 +02001748 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
1749 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
1750 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
Jiri Kosinab3aec7b2011-10-25 09:59:04 +02001751 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
1752 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
1753 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07001754 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
1755 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
1756 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07001757 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
1758 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
1759 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07001760 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
1761 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
1762 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Christian Schuerer-Waldheim23aeb612010-01-06 14:49:57 +01001763 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ANSI) },
1764 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO) },
1765 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_JIS) },
Ben Hutchingsf9af7b92012-12-02 14:38:23 +00001766 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI) },
Andreas Kristad734bc2011-10-28 18:50:39 +02001767 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ISO) },
Huei-Horng Yobd4a7ce2014-02-06 17:40:34 +08001768 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_JIS) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001769 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
1770 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
Josenivaldo Benito Junior212da742012-04-10 19:29:04 -03001771 { HID_USB_DEVICE(USB_VENDOR_ID_AUREAL, USB_DEVICE_ID_AUREAL_W01RN) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001772 { HID_USB_DEVICE(USB_VENDOR_ID_BELKIN, USB_DEVICE_ID_FLIP_KVM) },
Huang Bofc38a8a62014-11-26 18:21:03 +08001773 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185BFM, 0x2208) },
1774 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185PC, 0x5506) },
1775 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2PC, 0x1850) },
1776 { HID_USB_DEVICE(USB_VENDOR_ID_BETOP_2185V2BFM, 0x5500) },
Wayne Thomasbf280622010-04-29 00:45:01 +02001777 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE) },
Jiri Kosinac3dc66d2010-08-30 15:43:25 +02001778 { HID_USB_DEVICE(USB_VENDOR_ID_BTC, USB_DEVICE_ID_BTC_EMPREX_REMOTE_2) },
Jiri Slaby3b239cd2008-06-24 20:42:25 +02001779 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION) },
Raphaël Doursenaud1ce31b22010-04-08 13:40:52 +02001780 { HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
Jiri Slabyfcfacfd2008-06-24 22:48:52 +02001781 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
Dennis Küglerb9e4b1e2010-11-23 21:40:09 +01001782 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
Keng-Yu Lin3596bb92012-02-02 10:31:26 +01001783 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
Cyrus Lien2d8767b2012-07-23 17:11:51 +08001784 { HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_AK1D) },
Don Prince3a370ca2010-05-12 15:18:59 +02001785 { HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
David Barksdalee932d812014-02-04 12:42:48 -06001786 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_CP2112) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001787 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_1) },
1788 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_2) },
Jiri Kosinae8d0eab2009-12-02 22:54:11 +01001789 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_3) },
Lionel Vaux76c9d8f2012-07-22 11:32:20 +02001790 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_BARCODE_4) },
Jiri Slaby0f221322008-06-23 22:54:08 +02001791 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_MOUSE) },
Richard Walmsley3f866fb2009-03-04 22:12:04 +13001792 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0006) },
Nikolai Kondrashove05eefb2011-01-28 14:50:52 +03001793 { HID_USB_DEVICE(USB_VENDOR_ID_DRAGONRISE, 0x0011) },
Richard Nauber64b386e2010-06-28 18:54:25 +02001794 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ELECOM, USB_DEVICE_ID_ELECOM_BM084) },
Jiri Slabyd23efc12013-05-07 11:40:58 +02001795 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0009) },
1796 { HID_USB_DEVICE(USB_VENDOR_ID_ELO, 0x0030) },
Ignaz Forster04561c52010-11-01 15:13:37 -04001797 { HID_USB_DEVICE(USB_VENDOR_ID_EMS, USB_DEVICE_ID_EMS_TRIO_LINKER_PLUS_II) },
Jiri Slaby1f243e32008-06-24 21:11:21 +02001798 { HID_USB_DEVICE(USB_VENDOR_ID_EZKEY, USB_DEVICE_ID_BTC_8193) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001799 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PSX_ADAPTOR) },
Jiri Kosina578f3a32008-11-20 15:55:38 +01001800 { HID_USB_DEVICE(USB_VENDOR_ID_GAMERON, USB_DEVICE_ID_GAMERON_DUAL_PCS_ADAPTOR) },
Jiri Kosina5181e592008-11-17 01:44:38 +01001801 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0003) },
Lukasz Lubojanski42859e02008-12-11 22:07:59 +01001802 { HID_USB_DEVICE(USB_VENDOR_ID_GREENASIA, 0x0012) },
Jiri Slaby949f8fe2008-07-24 23:35:13 +02001803 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE) },
Jiri Kosina1e093202008-10-17 11:52:23 +02001804 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_2) },
Cory Maccarronec2fd1a42010-05-22 13:00:28 -07001805 { HID_USB_DEVICE(USB_VENDOR_ID_GYRATION, USB_DEVICE_ID_GYRATION_REMOTE_3) },
Anssi Hannulad946e652011-06-27 00:07:31 +03001806 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK, USB_DEVICE_ID_HOLTEK_ON_LINE_GRIP) },
Tom Harwoodff9bf5a2012-07-06 08:05:04 -07001807 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_KEYBOARD) },
Jiri Kosina40d35972013-05-28 12:18:34 +02001808 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A04A) },
1809 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A067) },
Kharlamov Alexey274be3e2014-01-14 16:09:09 +04001810 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A070) },
Anders F. U. Kiærf1a49142013-10-21 23:42:22 +02001811 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A072) },
Anders F. U. Kiær7da7cbb2013-10-01 19:22:05 +02001812 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A081) },
John DeSilva5df4eb02014-09-05 11:13:17 -04001813 { HID_USB_DEVICE(USB_VENDOR_ID_HOLTEK_ALT, USB_DEVICE_ID_HOLTEK_ALT_MOUSE_A0C2) },
Nikolai Kondrashove917e982014-07-23 19:31:54 +03001814 { HID_USB_DEVICE(USB_VENDOR_ID_HUION, USB_DEVICE_ID_HUION_TABLET) },
Michael Karcheraaca9cc2013-01-17 11:06:09 +01001815 { HID_USB_DEVICE(USB_VENDOR_ID_JESS2, USB_DEVICE_ID_JESS2_COLOR_RUMBLE_PAD) },
Bastien Nocera4ddfe022012-10-31 12:10:10 +01001816 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_ION, USB_DEVICE_ID_ICADE) },
Jiri Kosinafdf93aa2009-03-04 16:09:40 +01001817 { HID_USB_DEVICE(USB_VENDOR_ID_KENSINGTON, USB_DEVICE_ID_KS_SLIMBLADE) },
Jiri Kosina177900e2011-02-17 15:12:45 +01001818 { HID_USB_DEVICE(USB_VENDOR_ID_KEYTOUCH, USB_DEVICE_ID_KEYTOUCH_IEC) },
Benjamin Tissoires3685c182013-07-02 18:10:09 +02001819 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GILA_GAMING_MOUSE) },
Benjamin Tissoires4a2c94c2013-11-20 09:49:41 -05001820 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_MANTICORE) },
Benjamin Tissoires0adb9c22013-07-15 10:12:18 +02001821 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_GENIUS_GX_IMPERATOR) },
Jiri Kosina79422742009-03-11 11:43:27 +01001822 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_ERGO_525V) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +02001823 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_I405X) },
1824 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X) },
Giedrius Statkevičius2baceda2014-12-27 00:28:30 +02001825 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_MOUSEPEN_I608X_2) },
Nikolai Kondrashov22ca20b22012-02-28 13:01:46 +02001826 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_EASYPEN_M610X) },
Jiri Slabyb5635b12008-06-24 23:24:57 +02001827 { HID_USB_DEVICE(USB_VENDOR_ID_LABTEC, USB_DEVICE_ID_LABTEC_WIRELESS_KEYBOARD) },
Chris Schlund75b07022011-02-03 16:41:47 +01001828 { HID_USB_DEVICE(USB_VENDOR_ID_LCPOWER, USB_DEVICE_ID_LCPOWER_LC1000 ) },
Jamie Lentin94723bf2014-07-23 23:30:45 +01001829#if IS_ENABLED(CONFIG_HID_LENOVO)
Andres Freundaad932e2012-08-30 14:37:14 +02001830 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_TPKBD) },
Jamie Lentinf3d4ff02014-07-23 23:30:48 +01001831 { HID_USB_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CUSBKBD) },
1832 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LENOVO, USB_DEVICE_ID_LENOVO_CBTKBD) },
Andres Freundaad932e2012-08-30 14:37:14 +02001833#endif
Jiri Slaby5f22a792008-05-16 11:49:19 +02001834 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_MX3000_RECEIVER) },
1835 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER) },
1836 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_S510_RECEIVER_2) },
1837 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RECEIVER) },
David Dillow5844c1c2012-09-25 23:02:27 +02001838 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_HARMONY_PS3) },
Benjamin Tissoires2f31c522014-09-30 13:18:27 -04001839 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_T651) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001840 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_DESKTOP) },
1841 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_EDGE) },
1842 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_DINOVO_MINI) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001843 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_ELITE_KBD) },
1844 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_CORDLESS_DESKTOP_LX500) },
Jiri Slaby5f22a792008-05-16 11:49:19 +02001845 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_EXTREME_3D) },
1846 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WHEEL) },
Hendrik Iben2c6118e2010-10-04 15:39:49 +02001847 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD_CORD) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001848 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD) },
1849 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2_2) },
1850 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_F3D) },
Jiri Kosinafd30ea82009-06-23 12:11:31 +02001851 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WINGMAN_FFG ) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001852 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FORCE3D_PRO) },
Gary Stein74f292c2010-01-13 00:25:58 +01001853 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_FLIGHT_SYSTEM_G940) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001854 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL) },
1855 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_MOMO_WHEEL2) },
Elias Vanderstuyftbd043632013-10-07 19:48:12 +03001856 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_VIBRATION_WHEEL) },
Jiri Kosina5623a242011-03-17 00:43:23 +01001857 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFP_WHEEL) },
Michal Malýe00ddc92011-09-10 21:28:23 +02001858 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_DFGT_WHEEL) },
Christophe Borivant243b7062009-04-17 11:39:39 +02001859 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G25_WHEEL) },
Peter Gundermannfdc68072011-05-03 10:15:03 +02001860 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_G27_WHEEL) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04001861#if IS_ENABLED(CONFIG_HID_LOGITECH_DJ)
Nestor Lopez Casado534a7b82011-09-15 11:34:49 +02001862 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER) },
1863 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_UNIFYING_RECEIVER_2) },
Konstantin Khlebnikov0944e962012-02-13 14:13:03 +04001864#endif
Simon Wood32c88cb2010-09-22 13:19:42 +02001865 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_WII_WHEEL) },
Jiri Slaby606bd0a2008-07-04 23:06:45 +02001866 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_LOGITECH_RUMBLEPAD2) },
Jiri Kosina24985cf2009-11-13 10:45:53 +01001867 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACETRAVELLER) },
1868 { HID_USB_DEVICE(USB_VENDOR_ID_LOGITECH, USB_DEVICE_ID_SPACENAVIGATOR) },
Bruno Prémont236db472010-03-30 22:33:50 +02001869 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD) },
1870 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICOLCD_BOOTLOADER) },
Jiri Kosinab5801692011-07-22 12:11:15 +02001871 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_COMFORT_MOUSE_4500) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001872 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_SIDEWINDER_GV) },
1873 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K) },
Adam Jiang89759e22013-04-29 13:27:31 +09001874 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_NE4K_JP) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001875 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_LK6K) },
1876 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_USB) },
Jiri Kosinaf3b83d72011-06-13 23:08:18 +03001877 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_DIGITAL_MEDIA_3K) },
Jiri Slaby78a849a682008-06-20 21:26:11 +02001878 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_WIRELESS_OPTICAL_DESKTOP_3_0) },
Hans de Goede3faed1a2014-01-29 17:57:43 +01001879 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_OFFICE_KB) },
Alan Wube3b1632014-11-03 18:26:12 -08001880 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3) },
Alan Wu5e7e9e92015-01-06 18:32:51 -08001881 { HID_USB_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_TYPE_COVER_3_JP) },
Jiri Slaby3b8006e2008-06-25 00:07:50 +02001882 { HID_USB_DEVICE(USB_VENDOR_ID_MONTEREY, USB_DEVICE_ID_GENIUS_KB29E) },
Janne Kanniainenf471d942014-06-18 19:05:02 +03001883 { HID_USB_DEVICE(USB_VENDOR_ID_MSI, USB_DEVICE_ID_MSI_GT683R_LED_PANEL) },
Rafi Rubin94011f92008-11-19 15:54:46 +01001884 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN) },
micki6e328192010-06-19 11:37:29 +03001885 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_1) },
1886 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_2) },
1887 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_3) },
1888 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_4) },
1889 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_5) },
1890 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_6) },
1891 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_7) },
1892 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_8) },
1893 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_9) },
1894 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_10) },
1895 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_11) },
1896 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_12) },
1897 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_13) },
1898 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_14) },
1899 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_15) },
1900 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_16) },
1901 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_17) },
1902 { HID_USB_DEVICE(USB_VENDOR_ID_NTRIG, USB_DEVICE_ID_NTRIG_TOUCH_SCREEN_18) },
Herton Ronaldo Krzesinski270fdc02011-03-16 14:13:53 -03001903 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_PKB1700) },
Johnathon Harriscd9ec302010-01-21 14:36:52 +00001904 { HID_USB_DEVICE(USB_VENDOR_ID_ORTEK, USB_DEVICE_ID_ORTEK_WKB2000) },
Christian Gmeinerffe51d02014-09-03 10:33:53 +02001905 { HID_USB_DEVICE(USB_VENDOR_ID_PENMOUNT, USB_DEVICE_ID_PENMOUNT_6000) },
Jiri Slaby1e762532008-06-24 23:46:21 +02001906 { HID_USB_DEVICE(USB_VENDOR_ID_PETALYNX, USB_DEVICE_ID_PETALYNX_MAXTER_REMOTE) },
JD Cole1a3f83f2014-10-31 17:34:42 -07001907 { HID_USB_DEVICE(USB_VENDOR_ID_PLANTRONICS, HID_ANY_ID) },
Terry Lambertf6a04602011-10-14 17:18:54 -07001908 { HID_USB_DEVICE(USB_VENDOR_ID_PRIMAX, USB_DEVICE_ID_PRIMAX_KEYBOARD) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02001909#if IS_ENABLED(CONFIG_HID_ROCCAT)
Stefan Achatze68cc6032011-01-06 09:00:34 +01001910 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ARVO) },
Stefan Achatzd41c2a72011-11-24 17:46:24 +01001911 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKU) },
Stefan Achatze0788092013-11-08 14:12:00 +01001912 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_ISKUFX) },
1913 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONE) },
Stefan Achatz47dbdbff2010-11-26 19:57:42 +00001914 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPLUS) },
Stefan Achatz8936aa32013-03-10 12:32:44 +01001915 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE) },
Stefan Achatza4be0ed2013-08-30 14:10:07 +02001916 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEPURE_OPTICAL) },
Stefan Achatze0788092013-11-08 14:12:00 +01001917 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KONEXTD) },
Stefan Achatz0e70f972011-01-30 13:38:24 +01001918 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_KOVAPLUS) },
Stefan Achatz4424f612012-10-16 17:40:09 +02001919 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_LUA) },
Stefan Achatzcb7cf3d2010-08-29 12:30:18 +02001920 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRED) },
Stefan Achatz3fce2242011-03-23 18:11:36 +01001921 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_PYRA_WIRELESS) },
Stefan Achatz6f3a1932013-10-28 18:52:07 +01001922 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK) },
1923 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_GLOW) },
1924 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_RYOS_MK_PRO) },
Stefan Achatz6a2a6392012-05-20 22:44:54 +02001925 { HID_USB_DEVICE(USB_VENDOR_ID_ROCCAT, USB_DEVICE_ID_ROCCAT_SAVU) },
Stefan Achatzca9bbdc2012-09-17 16:04:19 +02001926#endif
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001927#if IS_ENABLED(CONFIG_HID_SAITEK)
Andreas Hübner1e936742012-02-22 02:10:06 +01001928 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_PS1000) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001929 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_RAT7) },
1930 { HID_USB_DEVICE(USB_VENDOR_ID_SAITEK, USB_DEVICE_ID_SAITEK_MMO7) },
Ville Aakko7bb9d642014-11-05 15:13:51 +01001931 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_RAT9) },
Harald Brinkmann37c492c2014-05-20 20:28:00 +02001932#endif
Jiri Slaby980a3da2008-06-25 22:31:48 +02001933 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_IR_REMOTE) },
Don Princeb3558502010-05-17 11:42:39 +01001934 { HID_USB_DEVICE(USB_VENDOR_ID_SAMSUNG, USB_DEVICE_ID_SAMSUNG_WIRELESS_KBD_MOUSE) },
Jiri Kosinad586dca2011-03-21 13:54:22 +01001935 { HID_USB_DEVICE(USB_VENDOR_ID_SKYCABLE, USB_DEVICE_ID_SKYCABLE_WIRELESS_PRESENTER) },
Frank Praznik68a49e52014-11-12 14:52:28 -05001936 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SMK, USB_DEVICE_ID_SMK_PS3_BDREMOTE) },
Colin Leitnerf04d5142013-05-27 23:41:05 +02001937 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_BUZZ_CONTROLLER) },
1938 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_WIRELESS_BUZZ_CONTROLLER) },
David Dillow5844c1c2012-09-25 23:02:27 +02001939 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_BDREMOTE) },
Jiri Slabybd28ce02008-06-25 23:47:04 +02001940 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Jiri Kosina35dca5b2011-04-28 15:43:13 +02001941 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_NAVIGATION_CONTROLLER) },
Bastien Noceraf9ce7c22010-01-20 12:01:53 +00001942 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS3_CONTROLLER) },
Frank Praznik0bd88dd2014-01-11 15:12:42 -05001943 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
1944 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_PS4_CONTROLLER) },
Jiri Kosinacc6e0bb2008-10-23 12:58:38 +02001945 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGX_MOUSE) },
Fernando Luis Vázquez Caoc1e0ac12013-05-01 09:26:23 +09001946 { HID_USB_DEVICE(USB_VENDOR_ID_SONY, USB_DEVICE_ID_SONY_VAIO_VGP_MOUSE) },
Simon Wood75dbb952013-01-31 08:07:07 -07001947 { HID_USB_DEVICE(USB_VENDOR_ID_STEELSERIES, USB_DEVICE_ID_STEELSERIES_SRWS1) },
Jiri Slaby90231e72008-06-23 21:56:07 +02001948 { HID_USB_DEVICE(USB_VENDOR_ID_SUNPLUS, USB_DEVICE_ID_SUNPLUS_WDESKTOP) },
Vivien Didelot30ba2fb2013-01-22 12:01:21 -05001949 { HID_USB_DEVICE(USB_VENDOR_ID_THINGM, USB_DEVICE_ID_BLINK1) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001950 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb300) },
1951 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb304) },
Ruben Aos Garralda7a84b132009-06-29 09:41:29 +02001952 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb323) },
1953 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb324) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001954 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb651) },
Markus Rathgeb3ee8f0a2010-03-13 17:29:43 +01001955 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb653) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001956 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb654) },
Simon Woodd65c3762010-11-29 17:41:23 +01001957 { HID_USB_DEVICE(USB_VENDOR_ID_THRUSTMASTER, 0xb65a) },
Jiri Kosina740363f2012-03-13 09:36:05 +01001958 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE_BT) },
Jarod Wilson44ea35c2011-10-14 16:57:42 -04001959 { HID_USB_DEVICE(USB_VENDOR_ID_TIVO, USB_DEVICE_ID_TIVO_SLIDE) },
Lev Babievf14f5262009-01-04 00:36:56 +01001960 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED, USB_DEVICE_ID_TOPSEED_CYBERLINK) },
Kees Bakker54001082010-07-13 22:50:51 +02001961 { HID_USB_DEVICE(USB_VENDOR_ID_TOPSEED2, USB_DEVICE_ID_TOPSEED2_RF_COMBO) },
Bruno Premont711a6802009-07-13 14:19:58 +02001962 { HID_USB_DEVICE(USB_VENDOR_ID_TWINHAN, USB_DEVICE_ID_TWINHAN_IR_REMOTE) },
Nikolai Kondrashov41fa9232010-08-23 15:09:01 +04001963 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_PF1209) },
Nikolai Kondrashovf8a489c2010-08-09 20:44:17 +04001964 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP4030U) },
1965 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP5540U) },
1966 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP8060U) },
Nikolai Kondrashov6be914f2011-07-06 09:23:41 +03001967 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_WP1062) },
Nikolai Kondrashovd1257082012-05-14 20:30:38 +03001968 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_WIRELESS_TABLET_TWHL850) },
Nikolai Kondrashoveb4e4262012-08-26 20:55:08 +03001969 { HID_USB_DEVICE(USB_VENDOR_ID_UCLOGIC, USB_DEVICE_ID_UCLOGIC_TABLET_TWHA60) },
Jussi Kivilinnafac733f2009-05-13 11:54:38 +03001970 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SMARTJOY_PLUS) },
Sean Young42fc04e2012-02-18 12:53:44 +00001971 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_SUPER_JOY_BOX_3) },
Sean Youngad395cc2011-08-14 20:42:05 +01001972 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_DUAL_USB_JOYPAD) },
Sean Young1bcc2062011-10-20 21:26:21 +01001973 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_3_PRO) },
1974 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_DUAL_BOX_PRO) },
1975 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP_LTD, USB_DEVICE_ID_SUPER_JOY_BOX_5_PRO) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04001976 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_5_8_INCH) },
Nikolai Kondrashov00e7f962010-09-25 23:16:58 +04001977 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SLIM_TABLET_12_1_INCH) },
Nikolai Kondrashov4fdc18d2012-02-06 22:54:20 +02001978 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_Q_PAD) },
Nikolai Kondrashova786e832012-03-06 09:54:24 +02001979 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_PID_0038) },
Nikolai Kondrashov72a46342010-08-20 19:21:11 +04001980 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_10_6_INCH) },
Nikolai Kondrashov8f1acc32010-08-30 14:06:36 +04001981 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_MEDIA_TABLET_14_1_INCH) },
Nikolai Kondrashovd2ee4dd2012-03-20 16:01:33 +02001982 { HID_USB_DEVICE(USB_VENDOR_ID_WALTOP, USB_DEVICE_ID_WALTOP_SIRIUS_BATTERY_FREE_TABLET) },
Stefan Kriwanek74bc6952011-05-27 18:40:29 +02001983 { HID_USB_DEVICE(USB_VENDOR_ID_X_TENSIONS, USB_DEVICE_ID_SPEEDLINK_VAD_CEZANNE) },
Olivier Scherlercb2c9e32013-07-27 19:20:02 +02001984 { HID_USB_DEVICE(USB_VENDOR_ID_XIN_MO, USB_DEVICE_ID_XIN_MO_DUAL_ARCADE) },
Anssi Hannuladaedb3d2009-02-14 11:45:05 +02001985 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0005) },
1986 { HID_USB_DEVICE(USB_VENDOR_ID_ZEROPLUS, 0x0030) },
Don Princea9885c82010-05-14 17:30:59 +01001987 { HID_USB_DEVICE(USB_VENDOR_ID_ZYDACRON, USB_DEVICE_ID_ZYDACRON_REMOTE_CONTROL) },
Jiri Slaby8c19a512008-06-18 23:36:49 +02001988
Jiri Slaby78a849a682008-06-20 21:26:11 +02001989 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_MICROSOFT, USB_DEVICE_ID_MS_PRESENTER_8K_BT) },
David Herrmann02fb72a2011-07-05 13:45:09 +02001990 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE) },
David Herrmanna33042f2013-04-02 19:58:35 +02001991 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_NINTENDO, USB_DEVICE_ID_NINTENDO_WIIMOTE2) },
Andrew Duggane9287092015-01-08 14:51:35 -08001992 { HID_USB_DEVICE(USB_VENDOR_ID_RAZER, USB_DEVICE_ID_RAZER_BLADE_14) },
Jiri Slaby85cdaf52008-05-16 11:49:15 +02001993 { }
1994};
1995
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01001996struct hid_dynid {
1997 struct list_head list;
1998 struct hid_device_id id;
1999};
2000
2001/**
2002 * store_new_id - add a new HID device ID to this driver and re-probe devices
2003 * @driver: target device driver
2004 * @buf: buffer for scanning device ID data
2005 * @count: input size
2006 *
2007 * Adds a new dynamic hid device ID to this driver,
2008 * and causes the driver to probe for all devices again.
2009 */
2010static ssize_t store_new_id(struct device_driver *drv, const char *buf,
2011 size_t count)
2012{
2013 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2014 struct hid_dynid *dynid;
2015 __u32 bus, vendor, product;
2016 unsigned long driver_data = 0;
2017 int ret;
2018
2019 ret = sscanf(buf, "%x %x %x %lx",
2020 &bus, &vendor, &product, &driver_data);
2021 if (ret < 3)
2022 return -EINVAL;
2023
2024 dynid = kzalloc(sizeof(*dynid), GFP_KERNEL);
2025 if (!dynid)
2026 return -ENOMEM;
2027
2028 dynid->id.bus = bus;
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002029 dynid->id.group = HID_GROUP_ANY;
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002030 dynid->id.vendor = vendor;
2031 dynid->id.product = product;
2032 dynid->id.driver_data = driver_data;
2033
2034 spin_lock(&hdrv->dyn_lock);
2035 list_add_tail(&dynid->list, &hdrv->dyn_list);
2036 spin_unlock(&hdrv->dyn_lock);
2037
Alan Sterncef9bc52012-01-24 13:34:41 -05002038 ret = driver_attach(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002039
2040 return ret ? : count;
2041}
2042static DRIVER_ATTR(new_id, S_IWUSR, NULL, store_new_id);
2043
2044static void hid_free_dynids(struct hid_driver *hdrv)
2045{
2046 struct hid_dynid *dynid, *n;
2047
2048 spin_lock(&hdrv->dyn_lock);
2049 list_for_each_entry_safe(dynid, n, &hdrv->dyn_list, list) {
2050 list_del(&dynid->list);
2051 kfree(dynid);
2052 }
2053 spin_unlock(&hdrv->dyn_lock);
2054}
2055
2056static const struct hid_device_id *hid_match_device(struct hid_device *hdev,
2057 struct hid_driver *hdrv)
2058{
2059 struct hid_dynid *dynid;
2060
2061 spin_lock(&hdrv->dyn_lock);
2062 list_for_each_entry(dynid, &hdrv->dyn_list, list) {
2063 if (hid_match_one_id(hdev, &dynid->id)) {
2064 spin_unlock(&hdrv->dyn_lock);
2065 return &dynid->id;
2066 }
2067 }
2068 spin_unlock(&hdrv->dyn_lock);
2069
2070 return hid_match_id(hdev, hdrv->id_table);
2071}
2072
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002073static int hid_bus_match(struct device *dev, struct device_driver *drv)
2074{
2075 struct hid_driver *hdrv = container_of(drv, struct hid_driver, driver);
2076 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2077
Henrik Rydberg070748e2012-04-23 12:07:05 +02002078 return hid_match_device(hdev, hdrv) != NULL;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002079}
2080
2081static int hid_device_probe(struct device *dev)
2082{
2083 struct hid_driver *hdrv = container_of(dev->driver,
2084 struct hid_driver, driver);
2085 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2086 const struct hid_device_id *id;
2087 int ret = 0;
2088
David Herrmann4ea54542011-08-10 14:02:07 +02002089 if (down_interruptible(&hdev->driver_lock))
2090 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002091 if (down_interruptible(&hdev->driver_input_lock)) {
2092 ret = -EINTR;
2093 goto unlock_driver_lock;
2094 }
2095 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002096
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002097 if (!hdev->driver) {
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002098 id = hid_match_device(hdev, hdrv);
Dan Carpenterba623a72011-08-24 14:27:46 +03002099 if (id == NULL) {
Henrik Rydberg4fa3a582012-05-01 08:40:01 +02002100 ret = -ENODEV;
2101 goto unlock;
Dan Carpenterba623a72011-08-24 14:27:46 +03002102 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002103
Jiri Slabyc500c972008-05-16 11:49:16 +02002104 hdev->driver = hdrv;
2105 if (hdrv->probe) {
2106 ret = hdrv->probe(hdev, id);
2107 } else { /* default probe */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002108 ret = hid_open_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002109 if (!ret)
Jiri Slaby93c10132008-06-27 00:04:24 +02002110 ret = hid_hw_start(hdev, HID_CONNECT_DEFAULT);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002111 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002112 if (ret) {
2113 hid_close_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002114 hdev->driver = NULL;
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002115 }
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002116 }
Dan Carpenterba623a72011-08-24 14:27:46 +03002117unlock:
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002118 if (!hdev->io_started)
2119 up(&hdev->driver_input_lock);
2120unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002121 up(&hdev->driver_lock);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002122 return ret;
2123}
2124
2125static int hid_device_remove(struct device *dev)
2126{
2127 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
David Herrmann4ea54542011-08-10 14:02:07 +02002128 struct hid_driver *hdrv;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002129 int ret = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002130
David Herrmann4ea54542011-08-10 14:02:07 +02002131 if (down_interruptible(&hdev->driver_lock))
2132 return -EINTR;
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002133 if (down_interruptible(&hdev->driver_input_lock)) {
2134 ret = -EINTR;
2135 goto unlock_driver_lock;
2136 }
2137 hdev->io_started = false;
David Herrmann4ea54542011-08-10 14:02:07 +02002138
2139 hdrv = hdev->driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002140 if (hdrv) {
2141 if (hdrv->remove)
2142 hdrv->remove(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +02002143 else /* default remove */
2144 hid_hw_stop(hdev);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002145 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002146 hdev->driver = NULL;
2147 }
2148
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002149 if (!hdev->io_started)
2150 up(&hdev->driver_input_lock);
2151unlock_driver_lock:
David Herrmann4ea54542011-08-10 14:02:07 +02002152 up(&hdev->driver_lock);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002153 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002154}
2155
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002156static ssize_t modalias_show(struct device *dev, struct device_attribute *a,
2157 char *buf)
2158{
2159 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2160 int len;
2161
2162 len = snprintf(buf, PAGE_SIZE, "hid:b%04Xg%04Xv%08Xp%08X\n",
2163 hdev->bus, hdev->group, hdev->vendor, hdev->product);
2164
2165 return (len >= PAGE_SIZE) ? (PAGE_SIZE - 1) : len;
2166}
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002167static DEVICE_ATTR_RO(modalias);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002168
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002169static struct attribute *hid_dev_attrs[] = {
2170 &dev_attr_modalias.attr,
2171 NULL,
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002172};
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002173ATTRIBUTE_GROUPS(hid_dev);
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002174
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002175static int hid_uevent(struct device *dev, struct kobj_uevent_env *env)
2176{
2177 struct hid_device *hdev = container_of(dev, struct hid_device, dev);
2178
2179 if (add_uevent_var(env, "HID_ID=%04X:%08X:%08X",
2180 hdev->bus, hdev->vendor, hdev->product))
2181 return -ENOMEM;
2182
2183 if (add_uevent_var(env, "HID_NAME=%s", hdev->name))
2184 return -ENOMEM;
2185
2186 if (add_uevent_var(env, "HID_PHYS=%s", hdev->phys))
2187 return -ENOMEM;
2188
2189 if (add_uevent_var(env, "HID_UNIQ=%s", hdev->uniq))
2190 return -ENOMEM;
2191
Henrik Rydberg4d53b802012-04-23 12:07:02 +02002192 if (add_uevent_var(env, "MODALIAS=hid:b%04Xg%04Xv%08Xp%08X",
2193 hdev->bus, hdev->group, hdev->vendor, hdev->product))
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002194 return -ENOMEM;
2195
2196 return 0;
2197}
2198
2199static struct bus_type hid_bus_type = {
2200 .name = "hid",
Greg Kroah-Hartman0d4260e2013-08-23 14:24:38 -07002201 .dev_groups = hid_dev_groups,
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002202 .match = hid_bus_match,
2203 .probe = hid_device_probe,
2204 .remove = hid_device_remove,
2205 .uevent = hid_uevent,
2206};
2207
Jiri Kosinabae7eb32009-01-28 23:06:37 +01002208/* a list of devices that shouldn't be handled by HID core at all */
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002209static const struct hid_device_id hid_ignore_list[] = {
2210 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_FLAIR) },
2211 { HID_USB_DEVICE(USB_VENDOR_ID_ACECAD, USB_DEVICE_ID_ACECAD_302) },
2212 { HID_USB_DEVICE(USB_VENDOR_ID_ADS_TECH, USB_DEVICE_ID_ADS_TECH_RADIO_SI470X) },
2213 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_01) },
2214 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_10) },
2215 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_20) },
2216 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_21) },
2217 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_22) },
2218 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_23) },
2219 { HID_USB_DEVICE(USB_VENDOR_ID_AIPTEK, USB_DEVICE_ID_AIPTEK_24) },
2220 { HID_USB_DEVICE(USB_VENDOR_ID_AIRCABLE, USB_DEVICE_ID_AIRCABLE1) },
2221 { HID_USB_DEVICE(USB_VENDOR_ID_ALCOR, USB_DEVICE_ID_ALCOR_USBRS232) },
Stephane Chatty77f720b2010-02-06 15:17:13 +01002222 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM)},
2223 { HID_USB_DEVICE(USB_VENDOR_ID_ASUSTEK, USB_DEVICE_ID_ASUSTEK_LCM2)},
Alexey Klimov62a56582008-11-13 05:44:50 +03002224 { HID_USB_DEVICE(USB_VENDOR_ID_AVERMEDIA, USB_DEVICE_ID_AVER_FM_MR800) },
Hans de Goede11030182012-05-15 05:12:44 -03002225 { HID_USB_DEVICE(USB_VENDOR_ID_AXENTIA, USB_DEVICE_ID_AXENTIA_FM_RADIO) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002226 { HID_USB_DEVICE(USB_VENDOR_ID_BERKSHIRE, USB_DEVICE_ID_BERKSHIRE_PCWD) },
2227 { HID_USB_DEVICE(USB_VENDOR_ID_CIDC, 0x0103) },
2228 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI470X) },
Dinesh Ramadc23252013-10-15 12:24:41 -03002229 { HID_USB_DEVICE(USB_VENDOR_ID_CYGNAL, USB_DEVICE_ID_CYGNAL_RADIO_SI4713) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002230 { HID_USB_DEVICE(USB_VENDOR_ID_CMEDIA, USB_DEVICE_ID_CM109) },
2231 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_HIDCOM) },
2232 { HID_USB_DEVICE(USB_VENDOR_ID_CYPRESS, USB_DEVICE_ID_CYPRESS_ULTRAMOUSE) },
Alexey Klimov5f6108c2008-12-08 12:40:14 +01002233 { HID_USB_DEVICE(USB_VENDOR_ID_DEALEXTREAME, USB_DEVICE_ID_DEALEXTREAME_RADIO_SI4701) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002234 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EARTHMATE) },
2235 { HID_USB_DEVICE(USB_VENDOR_ID_DELORME, USB_DEVICE_ID_DELORME_EM_LT20) },
Melchior FRANZ73bc7d32010-12-22 02:04:33 +01002236 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x0004) },
Dan Delaney789aaa22011-11-20 10:21:30 +01002237 { HID_USB_DEVICE(USB_VENDOR_ID_DREAM_CHEEKY, 0x000a) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002238 { HID_USB_DEVICE(USB_VENDOR_ID_ESSENTIAL_REALITY, USB_DEVICE_ID_ESSENTIAL_REALITY_P5) },
Petr Štetiar70c66562009-12-09 22:09:53 +01002239 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC5UH) },
Petr Štetiardf506f22010-06-28 09:38:54 -07002240 { HID_USB_DEVICE(USB_VENDOR_ID_ETT, USB_DEVICE_ID_TC4UM) },
Benjamin Tissoiresb1807712011-11-16 11:39:52 +01002241 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0001) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002242 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0002) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002243 { HID_USB_DEVICE(USB_VENDOR_ID_GENERAL_TOUCH, 0x0004) },
2244 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_4_PHIDGETSERVO_30) },
2245 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_1_PHIDGETSERVO_30) },
2246 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_0_4_IF_KIT) },
2247 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_16_16_IF_KIT) },
2248 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_8_8_8_IF_KIT) },
2249 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_7_IF_KIT) },
2250 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT) },
2251 { HID_USB_DEVICE(USB_VENDOR_ID_GLAB, USB_DEVICE_ID_PHIDGET_MOTORCONTROL) },
2252 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_SUPER_Q2) },
2253 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_GOGOPEN) },
2254 { HID_USB_DEVICE(USB_VENDOR_ID_GOTOP, USB_DEVICE_ID_PENPOWER) },
2255 { HID_USB_DEVICE(USB_VENDOR_ID_GRETAGMACBETH, USB_DEVICE_ID_GRETAGMACBETH_HUEY) },
2256 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE) },
2257 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB) },
Hans de Goede8e2ce732012-05-21 15:24:50 -03002258 { HID_USB_DEVICE(USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_RADIOSHARK) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002259 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90) },
2260 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100) },
2261 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101) },
2262 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103) },
2263 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104) },
2264 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105) },
2265 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106) },
2266 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107) },
2267 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108) },
2268 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200) },
2269 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201) },
2270 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202) },
2271 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203) },
2272 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204) },
2273 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205) },
2274 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206) },
2275 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207) },
2276 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300) },
2277 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301) },
2278 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302) },
2279 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303) },
2280 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304) },
2281 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305) },
2282 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306) },
2283 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307) },
2284 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308) },
2285 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309) },
2286 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400) },
2287 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401) },
2288 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402) },
2289 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403) },
2290 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404) },
2291 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_405) },
2292 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500) },
2293 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501) },
2294 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502) },
2295 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503) },
2296 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504) },
2297 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000) },
2298 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001) },
2299 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002) },
2300 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003) },
2301 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004) },
2302 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005) },
2303 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006) },
2304 { HID_USB_DEVICE(USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1007) },
2305 { HID_USB_DEVICE(USB_VENDOR_ID_IMATION, USB_DEVICE_ID_DISC_STAKKA) },
Vincent Palatin31b97792013-05-22 14:39:50 -07002306 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_410) },
2307 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_SPEAK_510) },
Patrick Plattes43c1a0a2014-07-05 08:58:06 +02002308 { HID_USB_DEVICE(USB_VENDOR_ID_JABRA, USB_DEVICE_ID_JABRA_GN9350E) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002309 { HID_USB_DEVICE(USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO) },
Alexey Klimovc91c21c2008-11-13 10:36:11 +01002310 { HID_USB_DEVICE(USB_VENDOR_ID_KWORLD, USB_DEVICE_ID_KWORLD_RADIO_FM700) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002311 { HID_USB_DEVICE(USB_VENDOR_ID_KYE, USB_DEVICE_ID_KYE_GPEN_560) },
Lamarque Vieira Souzaeb8141c2009-10-02 15:04:44 +02002312 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_KYE, 0x0058) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002313 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002314 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002315 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002316 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY2) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002317 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY) },
Michael Hundce97cac2011-05-03 10:12:00 -07002318 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOBILECASSY2) },
2319 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYVOLTAGE) },
2320 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYCURRENT) },
2321 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTIME) },
2322 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYTEMPERATURE) },
2323 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MICROCASSYPH) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002324 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_JWM) },
2325 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_DMMP) },
2326 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIP) },
Michael Hundce97cac2011-05-03 10:12:00 -07002327 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIC) },
2328 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_UMIB) },
2329 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002330 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_XRAY2) },
2331 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_VIDEOCOM) },
Michael Hundce97cac2011-05-03 10:12:00 -07002332 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOTOR) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002333 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_COM3LAB) },
2334 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_TELEPORT) },
2335 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_NETWORKANALYSER) },
2336 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POWERCONTROL) },
2337 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MACHINETEST) },
Michael Hundce97cac2011-05-03 10:12:00 -07002338 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER) },
2339 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MOSTANALYSER2) },
2340 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_ABSESP) },
2341 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_AUTODATABUS) },
2342 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_MCT) },
2343 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HYBRID) },
2344 { HID_USB_DEVICE(USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_HEATCONTROL) },
Yuri Khan3ffb62c2012-07-11 00:49:18 -07002345 { HID_USB_DEVICE(USB_VENDOR_ID_MADCATZ, USB_DEVICE_ID_MADCATZ_BEATPAD) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002346 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1024LS) },
2347 { HID_USB_DEVICE(USB_VENDOR_ID_MCC, USB_DEVICE_ID_MCC_PMD1208LS) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002348 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT1) },
2349 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICKIT2) },
Kristian Evensena8c83162015-01-20 17:55:03 +01002350 { HID_USB_DEVICE(USB_VENDOR_ID_MICROCHIP, USB_DEVICE_ID_PICK16F1454) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002351 { HID_USB_DEVICE(USB_VENDOR_ID_NATIONAL_SEMICONDUCTOR, USB_DEVICE_ID_N_S_HARMONY) },
2352 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100) },
2353 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 20) },
2354 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 30) },
2355 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 100) },
2356 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 108) },
2357 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 118) },
2358 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 200) },
2359 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 300) },
2360 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 400) },
2361 { HID_USB_DEVICE(USB_VENDOR_ID_ONTRAK, USB_DEVICE_ID_ONTRAK_ADU100 + 500) },
2362 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0001) },
2363 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0002) },
2364 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0003) },
2365 { HID_USB_DEVICE(USB_VENDOR_ID_PANJIT, 0x0004) },
Henning Glawe4cfae3e2009-08-02 22:18:12 +02002366 { HID_USB_DEVICE(USB_VENDOR_ID_PHILIPS, USB_DEVICE_ID_PHILIPS_IEEE802154_DONGLE) },
Michael Tokarev35cfd1d2009-02-01 16:11:04 +01002367 { HID_USB_DEVICE(USB_VENDOR_ID_POWERCOM, USB_DEVICE_ID_POWERCOM_UPS) },
Jan Steinhoff8491ee12012-02-03 00:21:31 -08002368#if defined(CONFIG_MOUSE_SYNAPTICS_USB) || defined(CONFIG_MOUSE_SYNAPTICS_USB_MODULE)
2369 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_TP) },
2370 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_INT_TP) },
2371 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_CPAD) },
2372 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_STICK) },
2373 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WP) },
2374 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_COMP_TP) },
2375 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_WTP) },
2376 { HID_USB_DEVICE(USB_VENDOR_ID_SYNAPTICS, USB_DEVICE_ID_SYNAPTICS_DPAD) },
2377#endif
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002378 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LABPRO) },
2379 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP) },
2380 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP) },
2381 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS) },
2382 { HID_USB_DEVICE(USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_LCSPEC) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002383 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20) },
2384 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20) },
2385 { HID_USB_DEVICE(USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_8_8_4_IF_KIT) },
2386 { HID_USB_DEVICE(USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K) },
Christian Vogel759db9e2014-02-12 20:56:00 +01002387 { HID_USB_DEVICE(USB_VENDOR_ID_RISO_KAGAKU, USB_DEVICE_ID_RI_KA_WEBMAIL) },
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002388 { }
2389};
2390
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002391/**
2392 * hid_mouse_ignore_list - mouse devices which should not be handled by the hid layer
2393 *
2394 * There are composite devices for which we want to ignore only a certain
2395 * interface. This is a list of devices for which only the mouse interface will
2396 * be ignored. This allows a dedicated driver to take care of the interface.
2397 */
2398static const struct hid_device_id hid_mouse_ignore_list[] = {
2399 /* appletouch driver */
2400 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ANSI) },
2401 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_ISO) },
2402 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ANSI) },
2403 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_ISO) },
2404 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER_JIS) },
2405 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ANSI) },
2406 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_ISO) },
2407 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER3_JIS) },
2408 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ANSI) },
2409 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_ISO) },
2410 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_JIS) },
2411 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ANSI) },
2412 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_ISO) },
2413 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER4_HF_JIS) },
2414 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ANSI) },
2415 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_ISO) },
2416 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING_JIS) },
2417 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ANSI) },
2418 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_ISO) },
2419 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING2_JIS) },
Jiri Kosinaac26fca2008-11-20 11:27:02 +01002420 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ANSI) },
2421 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_ISO) },
2422 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING3_JIS) },
Edgar (gimli) Hucek99b9f752010-11-03 10:36:18 -04002423 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ANSI) },
2424 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_ISO) },
2425 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4_JIS) },
2426 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ANSI) },
2427 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_ISO) },
2428 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING4A_JIS) },
Andy Botting47340bd2011-03-12 20:27:22 -08002429 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ANSI) },
2430 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_ISO) },
2431 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5_JIS) },
Gökçen Eraslan213f9da2011-10-22 22:39:06 +03002432 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ANSI) },
2433 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_ISO) },
2434 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING5A_JIS) },
Jiri Kosina4b086912011-10-04 14:01:12 +02002435 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ANSI) },
2436 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_ISO) },
2437 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6_JIS) },
2438 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ANSI) },
2439 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_ISO) },
2440 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING6A_JIS) },
Ryan Bourgeoisb2e6ad72012-07-10 09:43:33 -07002441 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ANSI) },
2442 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_ISO) },
2443 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7_JIS) },
Dirk Hohndel8d80da92012-10-30 11:11:48 -07002444 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ANSI) },
2445 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_ISO) },
2446 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING7A_JIS) },
Dmitry Torokhov9d9a04e2013-07-01 11:46:27 -07002447 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ANSI) },
2448 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_ISO) },
2449 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_WELLSPRING8_JIS) },
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002450 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_FOUNTAIN_TP_ONLY) },
2451 { HID_USB_DEVICE(USB_VENDOR_ID_APPLE, USB_DEVICE_ID_APPLE_GEYSER1_TP_ONLY) },
2452 { }
2453};
2454
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002455bool hid_ignore(struct hid_device *hdev)
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002456{
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002457 if (hdev->quirks & HID_QUIRK_NO_IGNORE)
2458 return false;
2459 if (hdev->quirks & HID_QUIRK_IGNORE)
2460 return true;
2461
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002462 switch (hdev->vendor) {
2463 case USB_VENDOR_ID_CODEMERCS:
2464 /* ignore all Code Mercenaries IOWarrior devices */
2465 if (hdev->product >= USB_DEVICE_ID_CODEMERCS_IOW_FIRST &&
2466 hdev->product <= USB_DEVICE_ID_CODEMERCS_IOW_LAST)
2467 return true;
2468 break;
2469 case USB_VENDOR_ID_LOGITECH:
2470 if (hdev->product >= USB_DEVICE_ID_LOGITECH_HARMONY_FIRST &&
2471 hdev->product <= USB_DEVICE_ID_LOGITECH_HARMONY_LAST)
2472 return true;
Hans Verkuil65dd3b62012-01-13 11:15:22 -03002473 /*
2474 * The Keene FM transmitter USB device has the same USB ID as
2475 * the Logitech AudioHub Speaker, but it should ignore the hid.
2476 * Check if the name is that of the Keene device.
2477 * For reference: the name of the AudioHub is
2478 * "HOLTEK AudioHub Speaker".
2479 */
2480 if (hdev->product == USB_DEVICE_ID_LOGITECH_AUDIOHUB &&
2481 !strcmp(hdev->name, "HOLTEK B-LINK USB Audio "))
2482 return true;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002483 break;
Jarod Wilson31f7fd72009-07-31 10:56:36 -04002484 case USB_VENDOR_ID_SOUNDGRAPH:
2485 if (hdev->product >= USB_DEVICE_ID_SOUNDGRAPH_IMON_FIRST &&
2486 hdev->product <= USB_DEVICE_ID_SOUNDGRAPH_IMON_LAST)
2487 return true;
2488 break;
Xing Weibba53942010-09-01 23:25:35 -07002489 case USB_VENDOR_ID_HANWANG:
2490 if (hdev->product >= USB_DEVICE_ID_HANWANG_TABLET_FIRST &&
2491 hdev->product <= USB_DEVICE_ID_HANWANG_TABLET_LAST)
2492 return true;
2493 break;
Tomoki Sekiyama6dc14182011-05-23 15:45:44 -07002494 case USB_VENDOR_ID_JESS:
2495 if (hdev->product == USB_DEVICE_ID_JESS_YUREX &&
2496 hdev->type == HID_TYPE_USBNONE)
2497 return true;
Forest Bond729b8142012-11-06 13:41:22 -05002498 break;
Ian Abbott30b6b7d82013-02-13 13:22:45 +00002499 case USB_VENDOR_ID_VELLEMAN:
2500 /* These are not HID devices. They are handled by comedi. */
2501 if ((hdev->product >= USB_DEVICE_ID_VELLEMAN_K8055_FIRST &&
2502 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8055_LAST) ||
2503 (hdev->product >= USB_DEVICE_ID_VELLEMAN_K8061_FIRST &&
2504 hdev->product <= USB_DEVICE_ID_VELLEMAN_K8061_LAST))
2505 return true;
2506 break;
Alexey Klimov5b4617d2013-03-28 00:07:29 +04002507 case USB_VENDOR_ID_ATMEL_V_USB:
2508 /* Masterkit MA901 usb radio based on Atmel tiny85 chip and
2509 * it has the same USB ID as many Atmel V-USB devices. This
2510 * usb radio is handled by radio-ma901.c driver so we want
2511 * ignore the hid. Check the name, bus, product and ignore
2512 * if we have MA901 usb radio.
2513 */
2514 if (hdev->product == USB_DEVICE_ID_ATMEL_V_USB &&
2515 hdev->bus == BUS_USB &&
2516 strncmp(hdev->name, "www.masterkit.ru MA901", 22) == 0)
2517 return true;
2518 break;
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002519 }
2520
Jiri Slabyb4d8e472008-10-22 14:47:18 +02002521 if (hdev->type == HID_TYPE_USBMOUSE &&
2522 hid_match_id(hdev, hid_mouse_ignore_list))
2523 return true;
2524
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002525 return !!hid_match_id(hdev, hid_ignore_list);
2526}
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002527EXPORT_SYMBOL_GPL(hid_ignore);
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002528
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002529int hid_add_device(struct hid_device *hdev)
2530{
2531 static atomic_t id = ATOMIC_INIT(0);
2532 int ret;
2533
2534 if (WARN_ON(hdev->status & HID_STAT_ADDED))
2535 return -EBUSY;
2536
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002537 /* we need to kill them here, otherwise they will stay allocated to
2538 * wait for coming driver */
Lamarque V. Souza4529eef2012-12-06 12:39:55 -02002539 if (hid_ignore(hdev))
Jiri Slabyd458a9d2008-05-16 11:49:20 +02002540 return -ENODEV;
2541
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002542 /*
Benjamin Tissoires3c867262014-02-20 15:24:49 -05002543 * Check for the mandatory transport channel.
2544 */
2545 if (!hdev->ll_driver->raw_request) {
2546 hid_err(hdev, "transport driver missing .raw_request()\n");
2547 return -EINVAL;
2548 }
2549
2550 /*
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002551 * Read the device report descriptor once and use as template
2552 * for the driver-specific modifications.
2553 */
2554 ret = hdev->ll_driver->parse(hdev);
2555 if (ret)
2556 return ret;
2557 if (!hdev->dev_rdesc)
2558 return -ENODEV;
2559
Henrik Rydberg734c6602012-04-23 12:07:03 +02002560 /*
2561 * Scan generic devices for group information
2562 */
2563 if (hid_ignore_special_drivers ||
Benjamin Tissoires9578f412014-09-30 13:18:24 -04002564 (!hdev->group &&
2565 !hid_match_id(hdev, hid_have_special_driver))) {
Henrik Rydberg734c6602012-04-23 12:07:03 +02002566 ret = hid_scan_report(hdev);
2567 if (ret)
2568 hid_warn(hdev, "bad device descriptor (%d)\n", ret);
2569 }
2570
Kay Sievers6bbe5862008-10-31 00:12:32 +01002571 /* XXX hack, any other cleaner solution after the driver core
2572 * is converted to allow more than 20 bytes as the device name? */
2573 dev_set_name(&hdev->dev, "%04X:%04X:%04X.%04X", hdev->bus,
2574 hdev->vendor, hdev->product, atomic_inc_return(&id));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002575
Bruno Prémont4da361b2010-03-15 14:55:40 +01002576 hid_debug_register(hdev, dev_name(&hdev->dev));
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002577 ret = device_add(&hdev->dev);
2578 if (!ret)
2579 hdev->status |= HID_STAT_ADDED;
Bruno Prémont4da361b2010-03-15 14:55:40 +01002580 else
2581 hid_debug_unregister(hdev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002582
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002583 return ret;
2584}
2585EXPORT_SYMBOL_GPL(hid_add_device);
2586
2587/**
2588 * hid_allocate_device - allocate new hid device descriptor
2589 *
2590 * Allocate and initialize hid device, so that hid_destroy_device might be
2591 * used to free it.
2592 *
2593 * New hid_device pointer is returned on success, otherwise ERR_PTR encoded
2594 * error value.
2595 */
2596struct hid_device *hid_allocate_device(void)
2597{
2598 struct hid_device *hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002599 int ret = -ENOMEM;
2600
2601 hdev = kzalloc(sizeof(*hdev), GFP_KERNEL);
2602 if (hdev == NULL)
2603 return ERR_PTR(ret);
2604
2605 device_initialize(&hdev->dev);
2606 hdev->dev.release = hid_device_release;
2607 hdev->dev.bus = &hid_bus_type;
2608
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002609 hid_close_report(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002610
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002611 init_waitqueue_head(&hdev->debug_wait);
2612 INIT_LIST_HEAD(&hdev->debug_list);
Jiri Kosina1deb9d32013-05-06 13:05:50 +02002613 spin_lock_init(&hdev->debug_list_lock);
David Herrmann4ea54542011-08-10 14:02:07 +02002614 sema_init(&hdev->driver_lock, 1);
Andrew de los Reyesc849a612013-02-18 09:20:21 -08002615 sema_init(&hdev->driver_input_lock, 1);
Jiri Kosinacd667ce2009-06-12 15:20:57 +02002616
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002617 return hdev;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002618}
2619EXPORT_SYMBOL_GPL(hid_allocate_device);
2620
2621static void hid_remove_device(struct hid_device *hdev)
2622{
2623 if (hdev->status & HID_STAT_ADDED) {
2624 device_del(&hdev->dev);
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002625 hid_debug_unregister(hdev);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002626 hdev->status &= ~HID_STAT_ADDED;
2627 }
Henrik Rydberga7197c2e2012-04-22 14:21:40 +02002628 kfree(hdev->dev_rdesc);
2629 hdev->dev_rdesc = NULL;
2630 hdev->dev_rsize = 0;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002631}
2632
2633/**
2634 * hid_destroy_device - free previously allocated device
2635 *
2636 * @hdev: hid device
2637 *
2638 * If you allocate hid_device through hid_allocate_device, you should ever
2639 * free by this function.
2640 */
2641void hid_destroy_device(struct hid_device *hdev)
2642{
2643 hid_remove_device(hdev);
2644 put_device(&hdev->dev);
2645}
2646EXPORT_SYMBOL_GPL(hid_destroy_device);
2647
2648int __hid_register_driver(struct hid_driver *hdrv, struct module *owner,
2649 const char *mod_name)
2650{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002651 int ret;
2652
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002653 hdrv->driver.name = hdrv->name;
2654 hdrv->driver.bus = &hid_bus_type;
2655 hdrv->driver.owner = owner;
2656 hdrv->driver.mod_name = mod_name;
2657
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002658 INIT_LIST_HEAD(&hdrv->dyn_list);
2659 spin_lock_init(&hdrv->dyn_lock);
2660
2661 ret = driver_register(&hdrv->driver);
2662 if (ret)
2663 return ret;
2664
2665 ret = driver_create_file(&hdrv->driver, &driver_attr_new_id);
2666 if (ret)
2667 driver_unregister(&hdrv->driver);
2668
2669 return ret;
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002670}
2671EXPORT_SYMBOL_GPL(__hid_register_driver);
2672
2673void hid_unregister_driver(struct hid_driver *hdrv)
2674{
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002675 driver_remove_file(&hdrv->driver, &driver_attr_new_id);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002676 driver_unregister(&hdrv->driver);
Jiri Slaby3a6f82f2008-11-24 16:20:09 +01002677 hid_free_dynids(hdrv);
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002678}
2679EXPORT_SYMBOL_GPL(hid_unregister_driver);
2680
Oliver Neukum0361a282008-12-17 15:38:03 +01002681int hid_check_keys_pressed(struct hid_device *hid)
2682{
2683 struct hid_input *hidinput;
2684 int i;
2685
Jiri Kosinae5288eb2009-05-02 00:02:57 +02002686 if (!(hid->claimed & HID_CLAIMED_INPUT))
2687 return 0;
2688
Oliver Neukum0361a282008-12-17 15:38:03 +01002689 list_for_each_entry(hidinput, &hid->inputs, list) {
2690 for (i = 0; i < BITS_TO_LONGS(KEY_MAX); i++)
2691 if (hidinput->input->key[i])
2692 return 1;
2693 }
2694
2695 return 0;
2696}
2697
2698EXPORT_SYMBOL_GPL(hid_check_keys_pressed);
2699
Jiri Kosina86166b72007-05-14 09:57:40 +02002700static int __init hid_init(void)
2701{
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002702 int ret;
2703
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002704 if (hid_debug)
Joe Perches4291ee32010-12-09 19:29:03 -08002705 pr_warn("hid_debug is now used solely for parser and driver debugging.\n"
2706 "debugfs is now used for inspecting the device (report descriptor, reports)\n");
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002707
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002708 ret = bus_register(&hid_bus_type);
2709 if (ret) {
Joe Perches4291ee32010-12-09 19:29:03 -08002710 pr_err("can't register hid bus\n");
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002711 goto err;
2712 }
2713
2714 ret = hidraw_init();
2715 if (ret)
2716 goto err_bus;
2717
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002718 hid_debug_init();
2719
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002720 return 0;
2721err_bus:
2722 bus_unregister(&hid_bus_type);
2723err:
2724 return ret;
Jiri Kosina86166b72007-05-14 09:57:40 +02002725}
2726
2727static void __exit hid_exit(void)
2728{
Jiri Kosinaa635f9d2009-06-12 15:20:55 +02002729 hid_debug_exit();
Jiri Kosina86166b72007-05-14 09:57:40 +02002730 hidraw_exit();
Jiri Slaby85cdaf52008-05-16 11:49:15 +02002731 bus_unregister(&hid_bus_type);
Jiri Kosina86166b72007-05-14 09:57:40 +02002732}
2733
2734module_init(hid_init);
2735module_exit(hid_exit);
2736
Jiri Kosina88adb722009-10-02 18:29:34 +02002737MODULE_AUTHOR("Andreas Gal");
2738MODULE_AUTHOR("Vojtech Pavlik");
2739MODULE_AUTHOR("Jiri Kosina");
Jiri Kosinaaa938f72006-12-08 18:41:10 +01002740MODULE_LICENSE(DRIVER_LICENSE);
2741