blob: 42970de1b40c50deb1584d8f7aa459ccd4173a08 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001#ifndef __HID_H
2#define __HID_H
3
4/*
Linus Torvalds1da177e2005-04-16 15:20:36 -07005 * Copyright (c) 1999 Andreas Gal
6 * Copyright (c) 2000-2001 Vojtech Pavlik
Jiri Kosinab55fd232007-02-21 19:27:49 +01007 * Copyright (c) 2006-2007 Jiri Kosina
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 */
9
10/*
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 * Should you need to contact me, the author, you can do so either by
26 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
28 */
29
Linus Torvalds1da177e2005-04-16 15:20:36 -070030/*
31 * USB HID (Human Interface Device) interface class code
32 */
33
34#define USB_INTERFACE_CLASS_HID 3
35
36/*
Alan Stern0f28b552006-05-15 14:49:04 -040037 * USB HID interface subclass and protocol codes
38 */
39
40#define USB_INTERFACE_SUBCLASS_BOOT 1
41#define USB_INTERFACE_PROTOCOL_KEYBOARD 1
42#define USB_INTERFACE_PROTOCOL_MOUSE 2
43
44/*
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 * HID class requests
46 */
47
48#define HID_REQ_GET_REPORT 0x01
49#define HID_REQ_GET_IDLE 0x02
50#define HID_REQ_GET_PROTOCOL 0x03
51#define HID_REQ_SET_REPORT 0x09
52#define HID_REQ_SET_IDLE 0x0A
53#define HID_REQ_SET_PROTOCOL 0x0B
54
55/*
56 * HID class descriptor types
57 */
58
59#define HID_DT_HID (USB_TYPE_CLASS | 0x01)
60#define HID_DT_REPORT (USB_TYPE_CLASS | 0x02)
61#define HID_DT_PHYSICAL (USB_TYPE_CLASS | 0x03)
62
Jiri Kosina57d292b2007-10-15 15:17:41 +020063#define HID_MAX_DESCRIPTOR_SIZE 4096
64
65#ifdef __KERNEL__
66
67#include <linux/types.h>
68#include <linux/slab.h>
69#include <linux/list.h>
Jiri Slabye8c84f92008-05-19 15:50:01 +020070#include <linux/mod_devicetable.h> /* hid_device_id */
Jiri Kosina57d292b2007-10-15 15:17:41 +020071#include <linux/timer.h>
72#include <linux/workqueue.h>
73#include <linux/input.h>
David Herrmann4ea54542011-08-10 14:02:07 +020074#include <linux/semaphore.h>
Jeremy Fitzhardinge4f5ca832011-11-23 00:49:14 -080075#include <linux/power_supply.h>
Jiri Kosina57d292b2007-10-15 15:17:41 +020076
Linus Torvalds1da177e2005-04-16 15:20:36 -070077/*
78 * We parse each description item into this structure. Short items data
79 * values are expanded to 32-bit signed int, long items contain a pointer
80 * into the data area.
81 */
82
83struct hid_item {
84 unsigned format;
85 __u8 size;
86 __u8 type;
87 __u8 tag;
88 union {
89 __u8 u8;
90 __s8 s8;
91 __u16 u16;
92 __s16 s16;
93 __u32 u32;
94 __s32 s32;
95 __u8 *longdata;
96 } data;
97};
98
99/*
100 * HID report item format
101 */
102
103#define HID_ITEM_FORMAT_SHORT 0
104#define HID_ITEM_FORMAT_LONG 1
105
106/*
107 * Special tag indicating long items
108 */
109
110#define HID_ITEM_TAG_LONG 15
111
112/*
113 * HID report descriptor item type (prefix bit 2,3)
114 */
115
116#define HID_ITEM_TYPE_MAIN 0
117#define HID_ITEM_TYPE_GLOBAL 1
118#define HID_ITEM_TYPE_LOCAL 2
119#define HID_ITEM_TYPE_RESERVED 3
120
121/*
122 * HID report descriptor main item tags
123 */
124
125#define HID_MAIN_ITEM_TAG_INPUT 8
126#define HID_MAIN_ITEM_TAG_OUTPUT 9
127#define HID_MAIN_ITEM_TAG_FEATURE 11
128#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION 10
129#define HID_MAIN_ITEM_TAG_END_COLLECTION 12
130
131/*
132 * HID report descriptor main item contents
133 */
134
135#define HID_MAIN_ITEM_CONSTANT 0x001
136#define HID_MAIN_ITEM_VARIABLE 0x002
137#define HID_MAIN_ITEM_RELATIVE 0x004
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500138#define HID_MAIN_ITEM_WRAP 0x008
Linus Torvalds1da177e2005-04-16 15:20:36 -0700139#define HID_MAIN_ITEM_NONLINEAR 0x010
140#define HID_MAIN_ITEM_NO_PREFERRED 0x020
141#define HID_MAIN_ITEM_NULL_STATE 0x040
142#define HID_MAIN_ITEM_VOLATILE 0x080
143#define HID_MAIN_ITEM_BUFFERED_BYTE 0x100
144
145/*
146 * HID report descriptor collection item types
147 */
148
149#define HID_COLLECTION_PHYSICAL 0
150#define HID_COLLECTION_APPLICATION 1
151#define HID_COLLECTION_LOGICAL 2
152
153/*
154 * HID report descriptor global item tags
155 */
156
157#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE 0
158#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM 1
159#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM 2
160#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM 3
161#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM 4
162#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT 5
163#define HID_GLOBAL_ITEM_TAG_UNIT 6
164#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE 7
165#define HID_GLOBAL_ITEM_TAG_REPORT_ID 8
166#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT 9
167#define HID_GLOBAL_ITEM_TAG_PUSH 10
168#define HID_GLOBAL_ITEM_TAG_POP 11
169
170/*
171 * HID report descriptor local item tags
172 */
173
174#define HID_LOCAL_ITEM_TAG_USAGE 0
175#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM 1
176#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM 2
177#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX 3
178#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM 4
179#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM 5
180#define HID_LOCAL_ITEM_TAG_STRING_INDEX 7
181#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM 8
182#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM 9
183#define HID_LOCAL_ITEM_TAG_DELIMITER 10
184
185/*
186 * HID usage tables
187 */
188
189#define HID_USAGE_PAGE 0xffff0000
190
191#define HID_UP_UNDEFINED 0x00000000
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500192#define HID_UP_GENDESK 0x00010000
Vojtech Pavlik0aebfda2005-09-05 00:07:59 -0500193#define HID_UP_SIMULATION 0x00020000
Jeremy Fitzhardinge4f5ca832011-11-23 00:49:14 -0800194#define HID_UP_GENDEVCTRLS 0x00060000
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500195#define HID_UP_KEYBOARD 0x00070000
196#define HID_UP_LED 0x00080000
197#define HID_UP_BUTTON 0x00090000
198#define HID_UP_ORDINAL 0x000a0000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700199#define HID_UP_CONSUMER 0x000c0000
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500200#define HID_UP_DIGITIZER 0x000d0000
201#define HID_UP_PID 0x000f0000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700202#define HID_UP_HPVENDOR 0xff7f0000
Keng-Yu Lin929578a2012-07-06 18:06:11 +0800203#define HID_UP_HPVENDOR2 0xff010000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700204#define HID_UP_MSVENDOR 0xff000000
Stelian Pope875ce32005-09-05 01:57:33 -0500205#define HID_UP_CUSTOM 0x00ff0000
206#define HID_UP_LOGIVENDOR 0xffbc0000
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207
208#define HID_USAGE 0x0000ffff
209
210#define HID_GD_POINTER 0x00010001
211#define HID_GD_MOUSE 0x00010002
212#define HID_GD_JOYSTICK 0x00010004
213#define HID_GD_GAMEPAD 0x00010005
214#define HID_GD_KEYBOARD 0x00010006
215#define HID_GD_KEYPAD 0x00010007
216#define HID_GD_MULTIAXIS 0x00010008
217#define HID_GD_X 0x00010030
218#define HID_GD_Y 0x00010031
219#define HID_GD_Z 0x00010032
220#define HID_GD_RX 0x00010033
221#define HID_GD_RY 0x00010034
222#define HID_GD_RZ 0x00010035
223#define HID_GD_SLIDER 0x00010036
224#define HID_GD_DIAL 0x00010037
225#define HID_GD_WHEEL 0x00010038
226#define HID_GD_HATSWITCH 0x00010039
227#define HID_GD_BUFFER 0x0001003a
228#define HID_GD_BYTECOUNT 0x0001003b
229#define HID_GD_MOTION 0x0001003c
230#define HID_GD_START 0x0001003d
231#define HID_GD_SELECT 0x0001003e
232#define HID_GD_VX 0x00010040
233#define HID_GD_VY 0x00010041
234#define HID_GD_VZ 0x00010042
235#define HID_GD_VBRX 0x00010043
236#define HID_GD_VBRY 0x00010044
237#define HID_GD_VBRZ 0x00010045
238#define HID_GD_VNO 0x00010046
239#define HID_GD_FEATURE 0x00010047
240#define HID_GD_UP 0x00010090
241#define HID_GD_DOWN 0x00010091
242#define HID_GD_RIGHT 0x00010092
243#define HID_GD_LEFT 0x00010093
244
Jeremy Fitzhardinge4f5ca832011-11-23 00:49:14 -0800245#define HID_DC_BATTERYSTRENGTH 0x00060020
246
Stephane Chatty89f536c2009-05-20 15:41:24 +0200247#define HID_DG_DIGITIZER 0x000d0001
248#define HID_DG_PEN 0x000d0002
249#define HID_DG_LIGHTPEN 0x000d0003
250#define HID_DG_TOUCHSCREEN 0x000d0004
251#define HID_DG_TOUCHPAD 0x000d0005
252#define HID_DG_STYLUS 0x000d0020
253#define HID_DG_PUCK 0x000d0021
254#define HID_DG_FINGER 0x000d0022
255#define HID_DG_TIPPRESSURE 0x000d0030
256#define HID_DG_BARRELPRESSURE 0x000d0031
257#define HID_DG_INRANGE 0x000d0032
258#define HID_DG_TOUCH 0x000d0033
259#define HID_DG_UNTOUCH 0x000d0034
260#define HID_DG_TAP 0x000d0035
261#define HID_DG_TABLETFUNCTIONKEY 0x000d0039
262#define HID_DG_PROGRAMCHANGEKEY 0x000d003a
263#define HID_DG_INVERT 0x000d003c
264#define HID_DG_TIPSWITCH 0x000d0042
265#define HID_DG_TIPSWITCH2 0x000d0043
266#define HID_DG_BARRELSWITCH 0x000d0044
267#define HID_DG_ERASER 0x000d0045
268#define HID_DG_TABLETPICK 0x000d0046
269/*
270 * as of May 20, 2009 the usages below are not yet in the official USB spec
271 * but are being pushed by Microsft as described in their paper "Digitizer
272 * Drivers for Windows Touch and Pen-Based Computers"
273 */
274#define HID_DG_CONFIDENCE 0x000d0047
275#define HID_DG_WIDTH 0x000d0048
276#define HID_DG_HEIGHT 0x000d0049
277#define HID_DG_CONTACTID 0x000d0051
278#define HID_DG_INPUTMODE 0x000d0052
279#define HID_DG_DEVICEINDEX 0x000d0053
280#define HID_DG_CONTACTCOUNT 0x000d0054
281#define HID_DG_CONTACTMAX 0x000d0055
282
Linus Torvalds1da177e2005-04-16 15:20:36 -0700283/*
284 * HID report types --- Ouch! HID spec says 1 2 3!
285 */
286
287#define HID_INPUT_REPORT 0
288#define HID_OUTPUT_REPORT 1
289#define HID_FEATURE_REPORT 2
290
291/*
Jiri Slaby93c10132008-06-27 00:04:24 +0200292 * HID connect requests
293 */
294
295#define HID_CONNECT_HIDINPUT 0x01
296#define HID_CONNECT_HIDINPUT_FORCE 0x02
297#define HID_CONNECT_HIDRAW 0x04
298#define HID_CONNECT_HIDDEV 0x08
299#define HID_CONNECT_HIDDEV_FORCE 0x10
300#define HID_CONNECT_FF 0x20
301#define HID_CONNECT_DEFAULT (HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
302 HID_CONNECT_HIDDEV|HID_CONNECT_FF)
303
304/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700305 * HID device quirks.
306 */
307
Paul Walmsley876b9272007-04-19 14:56:12 +0200308/*
309 * Increase this if you need to configure more HID quirks at module load time
310 */
311#define MAX_USBHID_BOOT_QUIRKS 4
312
Michael Hanselmanneab9edd2006-01-14 10:08:06 -0500313#define HID_QUIRK_INVERT 0x00000001
314#define HID_QUIRK_NOTOUCH 0x00000002
Jiri Kosina6f4303f2009-01-29 00:15:51 +0100315#define HID_QUIRK_IGNORE 0x00000004
Michael Hanselmanneab9edd2006-01-14 10:08:06 -0500316#define HID_QUIRK_NOGET 0x00000008
Bastien Nocerab5e5a372010-04-16 17:19:50 +0100317#define HID_QUIRK_HIDDEV_FORCE 0x00000010
Michael Hanselmanneab9edd2006-01-14 10:08:06 -0500318#define HID_QUIRK_BADPAD 0x00000020
319#define HID_QUIRK_MULTI_INPUT 0x00000040
Daniel Mack3a343ee2010-07-12 19:28:27 +0200320#define HID_QUIRK_HIDINPUT_FORCE 0x00000080
Jiri Kosinaea9a4a82007-06-19 14:09:14 +0200321#define HID_QUIRK_SKIP_OUTPUT_REPORTS 0x00010000
Pekka Sarnilaf345c372008-03-06 13:23:14 +0100322#define HID_QUIRK_FULLSPEED_INTERVAL 0x10000000
Jiri Kosina5b915d92009-11-05 14:08:03 +0100323#define HID_QUIRK_NO_INIT_REPORTS 0x20000000
Bastien Nocerab5e5a372010-04-16 17:19:50 +0100324#define HID_QUIRK_NO_IGNORE 0x40000000
Henrik Rydberg24750f32010-08-24 10:54:44 +0200325#define HID_QUIRK_NO_INPUT_SYNC 0x80000000
Jiri Kosinaea9a4a82007-06-19 14:09:14 +0200326
327/*
Henrik Rydberg734c6602012-04-23 12:07:03 +0200328 * HID device groups
329 */
330#define HID_GROUP_GENERIC 0x0001
Henrik Rydberg4fa3a582012-05-01 08:40:01 +0200331#define HID_GROUP_MULTITOUCH 0x0002
Henrik Rydberg734c6602012-04-23 12:07:03 +0200332
333/*
Linus Torvalds1da177e2005-04-16 15:20:36 -0700334 * This is the global environment of the parser. This information is
335 * persistent for main-items. The global environment can be saved and
336 * restored with PUSH/POP statements.
337 */
338
339struct hid_global {
340 unsigned usage_page;
341 __s32 logical_minimum;
342 __s32 logical_maximum;
343 __s32 physical_minimum;
344 __s32 physical_maximum;
345 __s32 unit_exponent;
346 unsigned unit;
347 unsigned report_id;
348 unsigned report_size;
349 unsigned report_count;
350};
351
352/*
353 * This is the local environment. It is persistent up the next main-item.
354 */
355
Jiri Kosina5f1ab742008-03-14 16:53:07 +0100356#define HID_MAX_USAGES 12288
Linus Torvalds1da177e2005-04-16 15:20:36 -0700357#define HID_DEFAULT_NUM_COLLECTIONS 16
358
359struct hid_local {
360 unsigned usage[HID_MAX_USAGES]; /* usage array */
361 unsigned collection_index[HID_MAX_USAGES]; /* collection index array */
362 unsigned usage_index;
363 unsigned usage_minimum;
364 unsigned delimiter_depth;
365 unsigned delimiter_branch;
366};
367
368/*
369 * This is the collection stack. We climb up the stack to determine
370 * application and function of each field.
371 */
372
373struct hid_collection {
374 unsigned type;
375 unsigned usage;
376 unsigned level;
377};
378
379struct hid_usage {
380 unsigned hid; /* hid usage code */
381 unsigned collection_index; /* index into collection array */
382 /* hidinput data */
383 __u16 code; /* input driver code */
384 __u8 type; /* input driver type */
385 __s8 hat_min; /* hat switch fun */
386 __s8 hat_max; /* ditto */
387 __s8 hat_dir; /* ditto */
388};
389
390struct hid_input;
391
392struct hid_field {
393 unsigned physical; /* physical usage for this field */
394 unsigned logical; /* logical usage for this field */
395 unsigned application; /* application usage for this field */
396 struct hid_usage *usage; /* usage table for this function */
397 unsigned maxusage; /* maximum usage index */
398 unsigned flags; /* main-item flags (i.e. volatile,array,constant) */
399 unsigned report_offset; /* bit offset in the report */
400 unsigned report_size; /* size of this field in the report */
401 unsigned report_count; /* number of this field in the report */
402 unsigned report_type; /* (input,output,feature) */
403 __s32 *value; /* last known value(s) */
404 __s32 logical_minimum;
405 __s32 logical_maximum;
406 __s32 physical_minimum;
407 __s32 physical_maximum;
408 __s32 unit_exponent;
409 unsigned unit;
410 struct hid_report *report; /* associated report */
411 unsigned index; /* index into report->field[] */
412 /* hidinput data */
413 struct hid_input *hidinput; /* associated input structure */
414 __u16 dpad; /* dpad input code */
415};
416
Benjamin Tissoires281054a2011-01-07 23:45:11 +0100417#define HID_MAX_FIELDS 128
Linus Torvalds1da177e2005-04-16 15:20:36 -0700418
419struct hid_report {
420 struct list_head list;
421 unsigned id; /* id of this report */
422 unsigned type; /* report type */
423 struct hid_field *field[HID_MAX_FIELDS]; /* fields of the report */
424 unsigned maxfield; /* maximum valid field index */
425 unsigned size; /* size of the report (bits) */
426 struct hid_device *device; /* associated device */
427};
428
429struct hid_report_enum {
430 unsigned numbered;
431 struct list_head report_list;
432 struct hid_report *report_id_hash[256];
433};
434
435#define HID_REPORT_TYPES 3
436
Michael Haboustakbf0964d2005-09-05 00:12:01 -0500437#define HID_MIN_BUFFER_SIZE 64 /* make sure there is at least a packet size of space */
438#define HID_MAX_BUFFER_SIZE 4096 /* 4kb */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700439#define HID_CONTROL_FIFO_SIZE 256 /* to init devices with >100 reports */
440#define HID_OUTPUT_FIFO_SIZE 64
441
442struct hid_control_fifo {
443 unsigned char dir;
444 struct hid_report *report;
Anssi Hannulaf129ea62008-10-04 14:44:06 +0200445 char *raw_report;
446};
447
448struct hid_output_fifo {
449 struct hid_report *report;
450 char *raw_report;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700451};
452
453#define HID_CLAIMED_INPUT 1
454#define HID_CLAIMED_HIDDEV 2
Jiri Kosina86166b72007-05-14 09:57:40 +0200455#define HID_CLAIMED_HIDRAW 4
Linus Torvalds1da177e2005-04-16 15:20:36 -0700456
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200457#define HID_STAT_ADDED 1
Jiri Slabyc500c972008-05-16 11:49:16 +0200458#define HID_STAT_PARSED 2
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200459
Linus Torvalds1da177e2005-04-16 15:20:36 -0700460struct hid_input {
461 struct list_head list;
462 struct hid_report *report;
Dmitry Torokhovc5b7c7c2005-09-15 02:01:47 -0500463 struct input_dev *input;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700464};
465
Jiri Slabya73a6372008-10-22 14:45:11 +0200466enum hid_type {
467 HID_TYPE_OTHER = 0,
Tomoki Sekiyama6dc14182011-05-23 15:45:44 -0700468 HID_TYPE_USBMOUSE,
469 HID_TYPE_USBNONE
Jiri Slabya73a6372008-10-22 14:45:11 +0200470};
471
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200472struct hid_driver;
Jiri Slabyc500c972008-05-16 11:49:16 +0200473struct hid_ll_driver;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200474
Linus Torvalds1da177e2005-04-16 15:20:36 -0700475struct hid_device { /* device report descriptor */
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200476 __u8 *dev_rdesc;
477 unsigned dev_rsize;
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200478 __u8 *rdesc;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700479 unsigned rsize;
480 struct hid_collection *collection; /* List of HID collections */
481 unsigned collection_size; /* Number of allocated hid_collections */
482 unsigned maxcollection; /* Number of parsed collections */
483 unsigned maxapplication; /* Number of applications */
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200484 __u16 bus; /* BUS ID */
Henrik Rydberg4d53b802012-04-23 12:07:02 +0200485 __u16 group; /* Report group */
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200486 __u32 vendor; /* Vendor ID */
487 __u32 product; /* Product ID */
488 __u32 version; /* HID version */
Jiri Slabya73a6372008-10-22 14:45:11 +0200489 enum hid_type type; /* device type (mouse, kbd, ...) */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700490 unsigned country; /* HID country */
491 struct hid_report_enum report_enum[HID_REPORT_TYPES];
492
David Herrmann4ea54542011-08-10 14:02:07 +0200493 struct semaphore driver_lock; /* protects the current driver */
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200494 struct device dev; /* device */
495 struct hid_driver *driver;
Jiri Slabyc500c972008-05-16 11:49:16 +0200496 struct hid_ll_driver *ll_driver;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700497
Jeremy Fitzhardinge4f5ca832011-11-23 00:49:14 -0800498#ifdef CONFIG_HID_BATTERY_STRENGTH
499 /*
500 * Power supply information for HID devices which report
501 * battery strength. power_supply is registered iff
502 * battery.name is non-NULL.
503 */
504 struct power_supply battery;
505 __s32 battery_min;
506 __s32 battery_max;
Jeremy Fitzhardingefb8ac91b2011-12-02 11:18:45 -0800507 __s32 battery_report_type;
Daniel Nicolettic5a92aa2011-12-02 03:52:22 -0200508 __s32 battery_report_id;
Jeremy Fitzhardinge4f5ca832011-11-23 00:49:14 -0800509#endif
510
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200511 unsigned int status; /* see STAT flags above */
Dmitry Torokhov05f091ab2005-05-29 02:29:01 -0500512 unsigned claimed; /* Claimed by hidinput, hiddev? */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700513 unsigned quirks; /* Various quirks the device can pull on us */
514
515 struct list_head inputs; /* The list of inputs */
516 void *hiddev; /* The hiddev structure */
Jiri Kosina86166b72007-05-14 09:57:40 +0200517 void *hidraw;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700518 int minor; /* Hiddev minor number */
519
Linus Torvalds1da177e2005-04-16 15:20:36 -0700520 int open; /* is the device open by anyone? */
521 char name[128]; /* Device name */
522 char phys[64]; /* Device physical location */
523 char uniq[64]; /* Device unique identifier (serial #) */
524
Jiri Kosina229695e2006-12-08 18:40:53 +0100525 void *driver_data;
526
Jiri Slaby93c10132008-06-27 00:04:24 +0200527 /* temporary hid_ff handling (until moved to the drivers) */
528 int (*ff_init)(struct hid_device *);
529
Jiri Kosinaaa938f72006-12-08 18:41:10 +0100530 /* hiddev event handler */
Jiri Slaby93c10132008-06-27 00:04:24 +0200531 int (*hiddev_connect)(struct hid_device *, unsigned int);
Jiri Kosinac4c259b2009-09-15 16:27:45 +0200532 void (*hiddev_disconnect)(struct hid_device *);
Jiri Kosinaaa938f72006-12-08 18:41:10 +0100533 void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
534 struct hid_usage *, __s32);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +0100535 void (*hiddev_report_event) (struct hid_device *, struct hid_report *);
Jiri Kosina86166b72007-05-14 09:57:40 +0200536
Alan Ottb4dbde92011-01-18 03:04:39 -0500537 /* handler for raw input (Get_Report) data, used by hidraw */
538 int (*hid_get_raw_report) (struct hid_device *, unsigned char, __u8 *, size_t, unsigned char);
539
Jiri Kosina86166b72007-05-14 09:57:40 +0200540 /* handler for raw output data, used by hidraw */
Jiri Kosinad4bfa032010-01-29 15:03:36 +0100541 int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);
Jiri Kosinacd667ce2009-06-12 15:20:57 +0200542
543 /* debugging support via debugfs */
544 unsigned short debug;
545 struct dentry *debug_dir;
546 struct dentry *debug_rdesc;
547 struct dentry *debug_events;
548 struct list_head debug_list;
549 wait_queue_head_t debug_wait;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700550};
551
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200552static inline void *hid_get_drvdata(struct hid_device *hdev)
553{
554 return dev_get_drvdata(&hdev->dev);
555}
556
557static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
558{
559 dev_set_drvdata(&hdev->dev, data);
560}
561
Linus Torvalds1da177e2005-04-16 15:20:36 -0700562#define HID_GLOBAL_STACK_SIZE 4
563#define HID_COLLECTION_STACK_SIZE 4
564
565struct hid_parser {
566 struct hid_global global;
567 struct hid_global global_stack[HID_GLOBAL_STACK_SIZE];
568 unsigned global_stack_ptr;
569 struct hid_local local;
570 unsigned collection_stack[HID_COLLECTION_STACK_SIZE];
571 unsigned collection_stack_ptr;
572 struct hid_device *device;
573};
574
575struct hid_class_descriptor {
576 __u8 bDescriptorType;
Al Viro01d7b362008-04-28 07:00:05 +0100577 __le16 wDescriptorLength;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700578} __attribute__ ((packed));
579
580struct hid_descriptor {
581 __u8 bLength;
582 __u8 bDescriptorType;
Al Viro01d7b362008-04-28 07:00:05 +0100583 __le16 bcdHID;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700584 __u8 bCountryCode;
585 __u8 bNumDescriptors;
586
587 struct hid_class_descriptor desc[1];
588} __attribute__ ((packed));
589
Henrik Rydberg070748e2012-04-23 12:07:05 +0200590#define HID_DEVICE(b, g, ven, prod) \
591 .bus = (b), .group = (g), .vendor = (ven), .product = (prod)
592#define HID_USB_DEVICE(ven, prod) \
593 .bus = BUS_USB, .vendor = (ven), .product = (prod)
594#define HID_BLUETOOTH_DEVICE(ven, prod) \
595 .bus = BUS_BLUETOOTH, .vendor = (ven), .product = (prod)
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200596
597#define HID_REPORT_ID(rep) \
598 .report_type = (rep)
599#define HID_USAGE_ID(uhid, utype, ucode) \
600 .usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
601/* we don't want to catch types and codes equal to 0 */
602#define HID_TERMINATOR (HID_ANY_ID - 1)
603
604struct hid_report_id {
605 __u32 report_type;
606};
607struct hid_usage_id {
608 __u32 usage_hid;
609 __u32 usage_type;
610 __u32 usage_code;
611};
612
613/**
614 * struct hid_driver
615 * @name: driver name (e.g. "Footech_bar-wheel")
616 * @id_table: which devices is this driver for (must be non-NULL for probe
617 * to be called)
Jiri Slaby3a6f82f2008-11-24 16:20:09 +0100618 * @dyn_list: list of dynamically added device ids
619 * @dyn_lock: lock protecting @dyn_list
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200620 * @probe: new device inserted
621 * @remove: device removed (NULL if not a hot-plug capable driver)
622 * @report_table: on which reports to call raw_event (NULL means all)
623 * @raw_event: if report in report_table, this hook is called (NULL means nop)
624 * @usage_table: on which events to call event (NULL means all)
625 * @event: if usage in usage_table, this hook is called (NULL means nop)
Jiri Slabyc500c972008-05-16 11:49:16 +0200626 * @report_fixup: called before report descriptor parsing (NULL means nop)
627 * @input_mapping: invoked on input registering before mapping an usage
628 * @input_mapped: invoked on input registering after mapping an usage
Benjamin Tissoires0d2689c2011-01-07 23:44:32 +0100629 * @feature_mapping: invoked on feature registering
Bruno Prémont6a740aa2010-04-25 21:40:03 +0200630 * @suspend: invoked on suspend (NULL means nop)
631 * @resume: invoked on resume if device was not reset (NULL means nop)
632 * @reset_resume: invoked on resume if device was reset (NULL means nop)
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200633 *
634 * raw_event and event should return 0 on no action performed, 1 when no
635 * further processing should be done and negative on error
Jiri Slabyc500c972008-05-16 11:49:16 +0200636 *
637 * input_mapping shall return a negative value to completely ignore this usage
638 * (e.g. doubled or invalid usage), zero to continue with parsing of this
639 * usage by generic code (no special handling needed) or positive to skip
640 * generic parsing (needed special handling which was done in the hook already)
641 * input_mapped shall return negative to inform the layer that this usage
642 * should not be considered for further processing or zero to notify that
643 * no processing was performed and should be done in a generic manner
644 * Both these functions may be NULL which means the same behavior as returning
645 * zero from them.
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200646 */
647struct hid_driver {
648 char *name;
649 const struct hid_device_id *id_table;
650
Jiri Slaby3a6f82f2008-11-24 16:20:09 +0100651 struct list_head dyn_list;
652 spinlock_t dyn_lock;
653
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200654 int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
655 void (*remove)(struct hid_device *dev);
656
657 const struct hid_report_id *report_table;
658 int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
659 u8 *data, int size);
660 const struct hid_usage_id *usage_table;
661 int (*event)(struct hid_device *hdev, struct hid_field *field,
662 struct hid_usage *usage, __s32 value);
Jiri Slabyc500c972008-05-16 11:49:16 +0200663
Nikolai Kondrashov73e40082010-08-06 23:03:06 +0400664 __u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
665 unsigned int *size);
Jiri Slabyc500c972008-05-16 11:49:16 +0200666
667 int (*input_mapping)(struct hid_device *hdev,
668 struct hid_input *hidinput, struct hid_field *field,
669 struct hid_usage *usage, unsigned long **bit, int *max);
670 int (*input_mapped)(struct hid_device *hdev,
671 struct hid_input *hidinput, struct hid_field *field,
672 struct hid_usage *usage, unsigned long **bit, int *max);
Benjamin Tissoires0d2689c2011-01-07 23:44:32 +0100673 void (*feature_mapping)(struct hid_device *hdev,
Henrik Rydbergf635bd12011-02-24 19:30:59 +0100674 struct hid_field *field,
Benjamin Tissoires0d2689c2011-01-07 23:44:32 +0100675 struct hid_usage *usage);
Bruno Prémont6a740aa2010-04-25 21:40:03 +0200676#ifdef CONFIG_PM
677 int (*suspend)(struct hid_device *hdev, pm_message_t message);
678 int (*resume)(struct hid_device *hdev);
679 int (*reset_resume)(struct hid_device *hdev);
680#endif
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200681/* private: */
682 struct device_driver driver;
683};
684
Jiri Slabyc500c972008-05-16 11:49:16 +0200685/**
686 * hid_ll_driver - low level driver callbacks
687 * @start: called on probe to start the device
688 * @stop: called on remove
689 * @open: called by input layer on open
690 * @close: called by input layer on close
691 * @hidinput_input_event: event input event (e.g. ff or leds)
692 * @parse: this method is called only once to parse the device data,
693 * shouldn't allocate anything to not leak memory
694 */
695struct hid_ll_driver {
696 int (*start)(struct hid_device *hdev);
697 void (*stop)(struct hid_device *hdev);
698
699 int (*open)(struct hid_device *hdev);
700 void (*close)(struct hid_device *hdev);
701
Oliver Neukum0361a282008-12-17 15:38:03 +0100702 int (*power)(struct hid_device *hdev, int level);
703
Jiri Slabyc500c972008-05-16 11:49:16 +0200704 int (*hidinput_input_event) (struct input_dev *idev, unsigned int type,
705 unsigned int code, int value);
706
707 int (*parse)(struct hid_device *hdev);
708};
709
Oliver Neukum0361a282008-12-17 15:38:03 +0100710#define PM_HINT_FULLON 1<<5
711#define PM_HINT_NORMAL 1<<1
712
Linus Torvalds1da177e2005-04-16 15:20:36 -0700713/* Applications from HID Usage Tables 4/8/99 Version 1.1 */
714/* We ignore a few input applications that are not widely used */
Stephane Chatty8b0e58a2010-01-13 21:52:34 +0100715#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006)))
Jiri Kosina229695e2006-12-08 18:40:53 +0100716
717/* HID core API */
Jiri Kosina58037eb2007-05-30 15:07:13 +0200718
Jiri Kosina58037eb2007-05-30 15:07:13 +0200719extern int hid_debug;
Jiri Kosina58037eb2007-05-30 15:07:13 +0200720
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200721extern int hid_add_device(struct hid_device *);
722extern void hid_destroy_device(struct hid_device *);
723
724extern int __must_check __hid_register_driver(struct hid_driver *,
725 struct module *, const char *mod_name);
Paul Gortmakereb5589a2011-05-27 09:02:11 -0400726
727/* use a define to avoid include chaining to get THIS_MODULE & friends */
728#define hid_register_driver(driver) \
729 __hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)
730
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200731extern void hid_unregister_driver(struct hid_driver *);
732
David Howells7d12e782006-10-05 14:55:46 +0100733extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700734extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
Jiri Slaby93c10132008-06-27 00:04:24 +0200735extern int hidinput_connect(struct hid_device *hid, unsigned int force);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700736extern void hidinput_disconnect(struct hid_device *);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700737
Linus Torvalds1da177e2005-04-16 15:20:36 -0700738int hid_set_field(struct hid_field *, unsigned, __s32);
Jiri Kosinaaa8de2f2006-12-08 18:41:17 +0100739int hid_input_report(struct hid_device *, int type, u8 *, int, int);
Jiri Kosinadde58452006-12-08 18:40:44 +0100740int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
Daniel Kurtz4371ea82011-11-17 19:23:50 +0800741struct hid_field *hidinput_get_led_field(struct hid_device *hid);
742unsigned int hidinput_count_leds(struct hid_device *hid);
Jiri Kosinadde58452006-12-08 18:40:44 +0100743void hid_output_report(struct hid_report *report, __u8 *data);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200744struct hid_device *hid_allocate_device(void);
Michael Poole90a006a2010-01-24 22:32:29 -0500745struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200746int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200747int hid_open_report(struct hid_device *device);
Oliver Neukum0361a282008-12-17 15:38:03 +0100748int hid_check_keys_pressed(struct hid_device *hid);
Jiri Slaby93c10132008-06-27 00:04:24 +0200749int hid_connect(struct hid_device *hid, unsigned int connect_mask);
Jiri Kosinac4c259b2009-09-15 16:27:45 +0200750void hid_disconnect(struct hid_device *hid);
Jeremy Fitzhardingebbc21cf2011-12-02 11:12:36 -0800751const struct hid_device_id *hid_match_id(struct hid_device *hdev,
752 const struct hid_device_id *id);
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200753
Jiri Slabyc500c972008-05-16 11:49:16 +0200754/**
Jiri Slaby022e8c42008-05-16 11:49:18 +0200755 * hid_map_usage - map usage input bits
756 *
757 * @hidinput: hidinput which we are interested in
758 * @usage: usage to fill in
759 * @bit: pointer to input->{}bit (out parameter)
760 * @max: maximal valid usage->code to consider later (out parameter)
761 * @type: input event type (EV_KEY, EV_REL, ...)
762 * @c: code which corresponds to this usage and type
763 */
764static inline void hid_map_usage(struct hid_input *hidinput,
765 struct hid_usage *usage, unsigned long **bit, int *max,
766 __u8 type, __u16 c)
767{
768 struct input_dev *input = hidinput->input;
769
770 usage->type = type;
771 usage->code = c;
772
773 switch (type) {
774 case EV_ABS:
775 *bit = input->absbit;
776 *max = ABS_MAX;
777 break;
778 case EV_REL:
779 *bit = input->relbit;
780 *max = REL_MAX;
781 break;
782 case EV_KEY:
783 *bit = input->keybit;
784 *max = KEY_MAX;
785 break;
786 case EV_LED:
787 *bit = input->ledbit;
788 *max = LED_MAX;
789 break;
790 }
791}
792
793/**
794 * hid_map_usage_clear - map usage input bits and clear the input bit
795 *
796 * The same as hid_map_usage, except the @c bit is also cleared in supported
797 * bits (@bit).
798 */
799static inline void hid_map_usage_clear(struct hid_input *hidinput,
800 struct hid_usage *usage, unsigned long **bit, int *max,
801 __u8 type, __u16 c)
802{
803 hid_map_usage(hidinput, usage, bit, max, type, c);
804 clear_bit(c, *bit);
805}
806
807/**
Jiri Slabyc500c972008-05-16 11:49:16 +0200808 * hid_parse - parse HW reports
809 *
810 * @hdev: hid device
811 *
812 * Call this from probe after you set up the device (if needed). Your
813 * report_fixup will be called (if non-NULL) after reading raw report from
814 * device before passing it to hid layer for real parsing.
815 */
816static inline int __must_check hid_parse(struct hid_device *hdev)
817{
Henrik Rydberga7197c2e2012-04-22 14:21:40 +0200818 return hid_open_report(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +0200819}
820
821/**
822 * hid_hw_start - start underlaying HW
823 *
824 * @hdev: hid device
Jiri Slaby93c10132008-06-27 00:04:24 +0200825 * @connect_mask: which outputs to connect, see HID_CONNECT_*
Jiri Slabyc500c972008-05-16 11:49:16 +0200826 *
827 * Call this in probe function *after* hid_parse. This will setup HW buffers
828 * and start the device (if not deffered to device open). hid_hw_stop must be
Lucas De Marchi25985ed2011-03-30 22:57:33 -0300829 * called if this was successful.
Jiri Slabyc500c972008-05-16 11:49:16 +0200830 */
Jiri Slaby93c10132008-06-27 00:04:24 +0200831static inline int __must_check hid_hw_start(struct hid_device *hdev,
832 unsigned int connect_mask)
Jiri Slabyc500c972008-05-16 11:49:16 +0200833{
Jiri Slaby93c10132008-06-27 00:04:24 +0200834 int ret = hdev->ll_driver->start(hdev);
835 if (ret || !connect_mask)
836 return ret;
837 ret = hid_connect(hdev, connect_mask);
838 if (ret)
839 hdev->ll_driver->stop(hdev);
840 return ret;
Jiri Slabyc500c972008-05-16 11:49:16 +0200841}
842
843/**
844 * hid_hw_stop - stop underlaying HW
845 *
846 * @hdev: hid device
847 *
848 * This is usually called from remove function or from probe when something
849 * failed and hid_hw_start was called already.
850 */
851static inline void hid_hw_stop(struct hid_device *hdev)
852{
Jiri Kosinac4c259b2009-09-15 16:27:45 +0200853 hid_disconnect(hdev);
Jiri Slabyc500c972008-05-16 11:49:16 +0200854 hdev->ll_driver->stop(hdev);
855}
856
Dmitry Torokhov5bea7662010-12-07 23:02:48 -0800857/**
858 * hid_hw_open - signal underlaying HW to start delivering events
859 *
860 * @hdev: hid device
861 *
862 * Tell underlying HW to start delivering events from the device.
863 * This function should be called sometime after successful call
864 * to hid_hiw_start().
865 */
866static inline int __must_check hid_hw_open(struct hid_device *hdev)
867{
868 return hdev->ll_driver->open(hdev);
869}
870
871/**
872 * hid_hw_close - signal underlaying HW to stop delivering events
873 *
874 * @hdev: hid device
875 *
876 * This function indicates that we are not interested in the events
877 * from this device anymore. Delivery of events may or may not stop,
878 * depending on the number of users still outstanding.
879 */
880static inline void hid_hw_close(struct hid_device *hdev)
881{
882 hdev->ll_driver->close(hdev);
883}
884
885/**
886 * hid_hw_power - requests underlying HW to go into given power mode
887 *
888 * @hdev: hid device
889 * @level: requested power level (one of %PM_HINT_* defines)
890 *
891 * This function requests underlying hardware to enter requested power
892 * mode.
893 */
894
895static inline int hid_hw_power(struct hid_device *hdev, int level)
896{
897 return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
898}
899
Jiri Kosinab6787242012-04-27 00:56:08 +0200900int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
Jiri Slaby85cdaf52008-05-16 11:49:15 +0200901 int interrupt);
902
903extern int hid_generic_init(void);
904extern void hid_generic_exit(void);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700905
Paul Walmsley876b9272007-04-19 14:56:12 +0200906/* HID quirks API */
Paul Walmsley2eb5dc32007-04-19 13:27:04 +0200907u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct);
Paul Walmsley876b9272007-04-19 14:56:12 +0200908int usbhid_quirks_init(char **quirks_param);
909void usbhid_quirks_exit(void);
Jiri Slaby6edfa8d2008-06-27 20:41:02 +0200910void usbhid_set_leds(struct hid_device *hid);
Paul Walmsley2eb5dc32007-04-19 13:27:04 +0200911
Anssi Hannula224ee882006-07-19 01:40:47 -0400912#ifdef CONFIG_HID_PID
913int hid_pidff_init(struct hid_device *hid);
914#else
Jiri Slaby76483cf2008-09-18 12:23:33 +0200915#define hid_pidff_init NULL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700916#endif
Jiri Kosina58037eb2007-05-30 15:07:13 +0200917
Joe Perches4291ee32010-12-09 19:29:03 -0800918#define dbg_hid(format, arg...) \
919do { \
920 if (hid_debug) \
921 printk(KERN_DEBUG "%s: " format, __FILE__, ##arg); \
922} while (0)
923
924#define hid_printk(level, hid, fmt, arg...) \
925 dev_printk(level, &(hid)->dev, fmt, ##arg)
926#define hid_emerg(hid, fmt, arg...) \
927 dev_emerg(&(hid)->dev, fmt, ##arg)
928#define hid_crit(hid, fmt, arg...) \
929 dev_crit(&(hid)->dev, fmt, ##arg)
930#define hid_alert(hid, fmt, arg...) \
931 dev_alert(&(hid)->dev, fmt, ##arg)
932#define hid_err(hid, fmt, arg...) \
933 dev_err(&(hid)->dev, fmt, ##arg)
934#define hid_notice(hid, fmt, arg...) \
935 dev_notice(&(hid)->dev, fmt, ##arg)
936#define hid_warn(hid, fmt, arg...) \
937 dev_warn(&(hid)->dev, fmt, ##arg)
938#define hid_info(hid, fmt, arg...) \
939 dev_info(&(hid)->dev, fmt, ##arg)
940#define hid_dbg(hid, fmt, arg...) \
941 dev_dbg(&(hid)->dev, fmt, ##arg)
942
943#endif /* __KERNEL__ */
Jiri Slaby02ae9a12008-05-16 11:49:22 +0200944
Jiri Kosina57d292b2007-10-15 15:17:41 +0200945#endif
Anssi Hannula224ee882006-07-19 01:40:47 -0400946