aboutsummaryrefslogtreecommitdiff
path: root/include/linux/hid.h
blob: 1aa938bf4dd730fbfda8dadf9cf6106e5580e9cf (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
#ifndef __HID_H
#define __HID_H

/*
 *  Copyright (c) 1999 Andreas Gal
 *  Copyright (c) 2000-2001 Vojtech Pavlik
 *  Copyright (c) 2006-2007 Jiri Kosina
 */

/*
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * Should you need to contact me, the author, you can do so either by
 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
 */


#define USB_INTERFACE_CLASS_HID		3


#define USB_INTERFACE_SUBCLASS_BOOT	1
#define USB_INTERFACE_PROTOCOL_KEYBOARD	1
#define USB_INTERFACE_PROTOCOL_MOUSE	2


#define HID_REQ_GET_REPORT		0x01
#define HID_REQ_GET_IDLE		0x02
#define HID_REQ_GET_PROTOCOL		0x03
#define HID_REQ_SET_REPORT		0x09
#define HID_REQ_SET_IDLE		0x0A
#define HID_REQ_SET_PROTOCOL		0x0B


#define HID_DT_HID			(USB_TYPE_CLASS | 0x01)
#define HID_DT_REPORT			(USB_TYPE_CLASS | 0x02)
#define HID_DT_PHYSICAL			(USB_TYPE_CLASS | 0x03)

#define HID_MAX_DESCRIPTOR_SIZE		4096

#ifdef __KERNEL__

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/list.h>
#include <linux/mod_devicetable.h> 
#include <linux/timer.h>
#include <linux/workqueue.h>
#include <linux/input.h>
#include <linux/semaphore.h>
#include <linux/power_supply.h>


struct hid_item {
	unsigned  format;
	__u8      size;
	__u8      type;
	__u8      tag;
	union {
	    __u8   u8;
	    __s8   s8;
	    __u16  u16;
	    __s16  s16;
	    __u32  u32;
	    __s32  s32;
	    __u8  *longdata;
	} data;
};


#define HID_ITEM_FORMAT_SHORT	0
#define HID_ITEM_FORMAT_LONG	1


#define HID_ITEM_TAG_LONG	15


#define HID_ITEM_TYPE_MAIN		0
#define HID_ITEM_TYPE_GLOBAL		1
#define HID_ITEM_TYPE_LOCAL		2
#define HID_ITEM_TYPE_RESERVED		3


#define HID_MAIN_ITEM_TAG_INPUT			8
#define HID_MAIN_ITEM_TAG_OUTPUT		9
#define HID_MAIN_ITEM_TAG_FEATURE		11
#define HID_MAIN_ITEM_TAG_BEGIN_COLLECTION	10
#define HID_MAIN_ITEM_TAG_END_COLLECTION	12


#define HID_MAIN_ITEM_CONSTANT		0x001
#define HID_MAIN_ITEM_VARIABLE		0x002
#define HID_MAIN_ITEM_RELATIVE		0x004
#define HID_MAIN_ITEM_WRAP		0x008
#define HID_MAIN_ITEM_NONLINEAR		0x010
#define HID_MAIN_ITEM_NO_PREFERRED	0x020
#define HID_MAIN_ITEM_NULL_STATE	0x040
#define HID_MAIN_ITEM_VOLATILE		0x080
#define HID_MAIN_ITEM_BUFFERED_BYTE	0x100


#define HID_COLLECTION_PHYSICAL		0
#define HID_COLLECTION_APPLICATION	1
#define HID_COLLECTION_LOGICAL		2


#define HID_GLOBAL_ITEM_TAG_USAGE_PAGE		0
#define HID_GLOBAL_ITEM_TAG_LOGICAL_MINIMUM	1
#define HID_GLOBAL_ITEM_TAG_LOGICAL_MAXIMUM	2
#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MINIMUM	3
#define HID_GLOBAL_ITEM_TAG_PHYSICAL_MAXIMUM	4
#define HID_GLOBAL_ITEM_TAG_UNIT_EXPONENT	5
#define HID_GLOBAL_ITEM_TAG_UNIT		6
#define HID_GLOBAL_ITEM_TAG_REPORT_SIZE		7
#define HID_GLOBAL_ITEM_TAG_REPORT_ID		8
#define HID_GLOBAL_ITEM_TAG_REPORT_COUNT	9
#define HID_GLOBAL_ITEM_TAG_PUSH		10
#define HID_GLOBAL_ITEM_TAG_POP			11


#define HID_LOCAL_ITEM_TAG_USAGE		0
#define HID_LOCAL_ITEM_TAG_USAGE_MINIMUM	1
#define HID_LOCAL_ITEM_TAG_USAGE_MAXIMUM	2
#define HID_LOCAL_ITEM_TAG_DESIGNATOR_INDEX	3
#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MINIMUM	4
#define HID_LOCAL_ITEM_TAG_DESIGNATOR_MAXIMUM	5
#define HID_LOCAL_ITEM_TAG_STRING_INDEX		7
#define HID_LOCAL_ITEM_TAG_STRING_MINIMUM	8
#define HID_LOCAL_ITEM_TAG_STRING_MAXIMUM	9
#define HID_LOCAL_ITEM_TAG_DELIMITER		10


#define HID_USAGE_PAGE		0xffff0000

#define HID_UP_UNDEFINED	0x00000000
#define HID_UP_GENDESK		0x00010000
#define HID_UP_SIMULATION	0x00020000
#define HID_UP_GENDEVCTRLS	0x00060000
#define HID_UP_KEYBOARD		0x00070000
#define HID_UP_LED		0x00080000
#define HID_UP_BUTTON		0x00090000
#define HID_UP_ORDINAL		0x000a0000
#define HID_UP_CONSUMER		0x000c0000
#define HID_UP_DIGITIZER	0x000d0000
#define HID_UP_PID		0x000f0000
#define HID_UP_HPVENDOR         0xff7f0000
#define HID_UP_MSVENDOR		0xff000000
#define HID_UP_CUSTOM		0x00ff0000
#define HID_UP_LOGIVENDOR	0xffbc0000

#define HID_USAGE		0x0000ffff

#define HID_GD_POINTER		0x00010001
#define HID_GD_MOUSE		0x00010002
#define HID_GD_JOYSTICK		0x00010004
#define HID_GD_GAMEPAD		0x00010005
#define HID_GD_KEYBOARD		0x00010006
#define HID_GD_KEYPAD		0x00010007
#define HID_GD_MULTIAXIS	0x00010008
#define HID_GD_X		0x00010030
#define HID_GD_Y		0x00010031
#define HID_GD_Z		0x00010032
#define HID_GD_RX		0x00010033
#define HID_GD_RY		0x00010034
#define HID_GD_RZ		0x00010035
#define HID_GD_SLIDER		0x00010036
#define HID_GD_DIAL		0x00010037
#define HID_GD_WHEEL		0x00010038
#define HID_GD_HATSWITCH	0x00010039
#define HID_GD_BUFFER		0x0001003a
#define HID_GD_BYTECOUNT	0x0001003b
#define HID_GD_MOTION		0x0001003c
#define HID_GD_START		0x0001003d
#define HID_GD_SELECT		0x0001003e
#define HID_GD_VX		0x00010040
#define HID_GD_VY		0x00010041
#define HID_GD_VZ		0x00010042
#define HID_GD_VBRX		0x00010043
#define HID_GD_VBRY		0x00010044
#define HID_GD_VBRZ		0x00010045
#define HID_GD_VNO		0x00010046
#define HID_GD_FEATURE		0x00010047
#define HID_GD_UP		0x00010090
#define HID_GD_DOWN		0x00010091
#define HID_GD_RIGHT		0x00010092
#define HID_GD_LEFT		0x00010093

#define HID_DC_BATTERYSTRENGTH	0x00060020

#define HID_DG_DIGITIZER	0x000d0001
#define HID_DG_PEN		0x000d0002
#define HID_DG_LIGHTPEN		0x000d0003
#define HID_DG_TOUCHSCREEN	0x000d0004
#define HID_DG_TOUCHPAD		0x000d0005
#define HID_DG_STYLUS		0x000d0020
#define HID_DG_PUCK		0x000d0021
#define HID_DG_FINGER		0x000d0022
#define HID_DG_TIPPRESSURE	0x000d0030
#define HID_DG_BARRELPRESSURE	0x000d0031
#define HID_DG_INRANGE		0x000d0032
#define HID_DG_TOUCH		0x000d0033
#define HID_DG_UNTOUCH		0x000d0034
#define HID_DG_TAP		0x000d0035
#define HID_DG_TABLETFUNCTIONKEY	0x000d0039
#define HID_DG_PROGRAMCHANGEKEY	0x000d003a
#define HID_DG_INVERT		0x000d003c
#define HID_DG_TIPSWITCH	0x000d0042
#define HID_DG_TIPSWITCH2	0x000d0043
#define HID_DG_BARRELSWITCH	0x000d0044
#define HID_DG_ERASER		0x000d0045
#define HID_DG_TABLETPICK	0x000d0046
#define HID_DG_CONFIDENCE	0x000d0047
#define HID_DG_WIDTH		0x000d0048
#define HID_DG_HEIGHT		0x000d0049
#define HID_DG_CONTACTID	0x000d0051
#define HID_DG_INPUTMODE	0x000d0052
#define HID_DG_DEVICEINDEX	0x000d0053
#define HID_DG_CONTACTCOUNT	0x000d0054
#define HID_DG_CONTACTMAX	0x000d0055


#define HID_INPUT_REPORT	0
#define HID_OUTPUT_REPORT	1
#define HID_FEATURE_REPORT	2


#define HID_CONNECT_HIDINPUT		0x01
#define HID_CONNECT_HIDINPUT_FORCE	0x02
#define HID_CONNECT_HIDRAW		0x04
#define HID_CONNECT_HIDDEV		0x08
#define HID_CONNECT_HIDDEV_FORCE	0x10
#define HID_CONNECT_FF			0x20
#define HID_CONNECT_DEFAULT	(HID_CONNECT_HIDINPUT|HID_CONNECT_HIDRAW| \
		HID_CONNECT_HIDDEV|HID_CONNECT_FF)


#define MAX_USBHID_BOOT_QUIRKS 4

#define HID_QUIRK_INVERT			0x00000001
#define HID_QUIRK_NOTOUCH			0x00000002
#define HID_QUIRK_IGNORE			0x00000004
#define HID_QUIRK_NOGET				0x00000008
#define HID_QUIRK_HIDDEV_FORCE			0x00000010
#define HID_QUIRK_BADPAD			0x00000020
#define HID_QUIRK_MULTI_INPUT			0x00000040
#define HID_QUIRK_HIDINPUT_FORCE		0x00000080
#define HID_QUIRK_MULTITOUCH			0x00000100
#define HID_QUIRK_SKIP_OUTPUT_REPORTS		0x00010000
#define HID_QUIRK_FULLSPEED_INTERVAL		0x10000000
#define HID_QUIRK_NO_INIT_REPORTS		0x20000000
#define HID_QUIRK_NO_IGNORE			0x40000000
#define HID_QUIRK_NO_INPUT_SYNC			0x80000000


struct hid_global {
	unsigned usage_page;
	__s32    logical_minimum;
	__s32    logical_maximum;
	__s32    physical_minimum;
	__s32    physical_maximum;
	__s32    unit_exponent;
	unsigned unit;
	unsigned report_id;
	unsigned report_size;
	unsigned report_count;
};


#define HID_MAX_USAGES			12288
#define HID_DEFAULT_NUM_COLLECTIONS	16

struct hid_local {
	unsigned usage[HID_MAX_USAGES]; 
	unsigned collection_index[HID_MAX_USAGES]; 
	unsigned usage_index;
	unsigned usage_minimum;
	unsigned delimiter_depth;
	unsigned delimiter_branch;
};


struct hid_collection {
	unsigned type;
	unsigned usage;
	unsigned level;
};

struct hid_usage {
	unsigned  hid;			
	unsigned  collection_index;	
	
	__u16     code;			
	__u8      type;			
	__s8	  hat_min;		
	__s8	  hat_max;		
	__s8	  hat_dir;		
};

struct hid_input;

struct hid_field {
	unsigned  physical;		
	unsigned  logical;		
	unsigned  application;		
	struct hid_usage *usage;	
	unsigned  maxusage;		
	unsigned  flags;		
	unsigned  report_offset;	
	unsigned  report_size;		
	unsigned  report_count;		
	unsigned  report_type;		
	__s32    *value;		
	__s32     logical_minimum;
	__s32     logical_maximum;
	__s32     physical_minimum;
	__s32     physical_maximum;
	__s32     unit_exponent;
	unsigned  unit;
	struct hid_report *report;	
	unsigned index;			
	
	struct hid_input *hidinput;	
	__u16 dpad;			
};

#define HID_MAX_FIELDS 128

struct hid_report {
	struct list_head list;
	unsigned id;					
	unsigned type;					
	struct hid_field *field[HID_MAX_FIELDS];	
	unsigned maxfield;				
	unsigned size;					
	struct hid_device *device;			
};

struct hid_report_enum {
	unsigned numbered;
	struct list_head report_list;
	struct hid_report *report_id_hash[256];
};

#define HID_REPORT_TYPES 3

#define HID_MIN_BUFFER_SIZE	64		
#define HID_MAX_BUFFER_SIZE	4096		
#define HID_CONTROL_FIFO_SIZE	256		
#define HID_OUTPUT_FIFO_SIZE	64

struct hid_control_fifo {
	unsigned char dir;
	struct hid_report *report;
	char *raw_report;
};

struct hid_output_fifo {
	struct hid_report *report;
	char *raw_report;
};

#define HID_CLAIMED_INPUT	1
#define HID_CLAIMED_HIDDEV	2
#define HID_CLAIMED_HIDRAW	4

#define HID_STAT_ADDED		1
#define HID_STAT_PARSED		2

struct hid_input {
	struct list_head list;
	struct hid_report *report;
	struct input_dev *input;
};

enum hid_type {
	HID_TYPE_OTHER = 0,
	HID_TYPE_USBMOUSE,
	HID_TYPE_USBNONE
};

struct hid_driver;
struct hid_ll_driver;

struct hid_device {							
	__u8 *rdesc;
	unsigned rsize;
	struct hid_collection *collection;				
	unsigned collection_size;					
	unsigned maxcollection;						
	unsigned maxapplication;					
	__u16 bus;							
	__u32 vendor;							
	__u32 product;							
	__u32 version;							
	enum hid_type type;						
	unsigned country;						
	struct hid_report_enum report_enum[HID_REPORT_TYPES];

	struct semaphore driver_lock;					
	struct device dev;						
	struct hid_driver *driver;
	struct hid_ll_driver *ll_driver;

#ifdef CONFIG_HID_BATTERY_STRENGTH
	struct power_supply battery;
	__s32 battery_min;
	__s32 battery_max;
	__s32 battery_report_type;
	__s32 battery_report_id;
#endif

	unsigned int status;						
	unsigned claimed;						
	unsigned quirks;						

	struct list_head inputs;					
	void *hiddev;							
	void *hidraw;
	int minor;							

	int open;							
	char name[128];							
	char phys[64];							
	char uniq[64];							

	void *driver_data;

	
	int (*ff_init)(struct hid_device *);

	
	int (*hiddev_connect)(struct hid_device *, unsigned int);
	void (*hiddev_disconnect)(struct hid_device *);
	void (*hiddev_hid_event) (struct hid_device *, struct hid_field *field,
				  struct hid_usage *, __s32);
	void (*hiddev_report_event) (struct hid_device *, struct hid_report *);

	
	int (*hid_get_raw_report) (struct hid_device *, unsigned char, __u8 *, size_t, unsigned char);

	
	int (*hid_output_raw_report) (struct hid_device *, __u8 *, size_t, unsigned char);

	
	unsigned short debug;
	struct dentry *debug_dir;
	struct dentry *debug_rdesc;
	struct dentry *debug_events;
	struct list_head debug_list;
	wait_queue_head_t debug_wait;
};

static inline void *hid_get_drvdata(struct hid_device *hdev)
{
	return dev_get_drvdata(&hdev->dev);
}

static inline void hid_set_drvdata(struct hid_device *hdev, void *data)
{
	dev_set_drvdata(&hdev->dev, data);
}

#define HID_GLOBAL_STACK_SIZE 4
#define HID_COLLECTION_STACK_SIZE 4

struct hid_parser {
	struct hid_global     global;
	struct hid_global     global_stack[HID_GLOBAL_STACK_SIZE];
	unsigned              global_stack_ptr;
	struct hid_local      local;
	unsigned              collection_stack[HID_COLLECTION_STACK_SIZE];
	unsigned              collection_stack_ptr;
	struct hid_device    *device;
};

struct hid_class_descriptor {
	__u8  bDescriptorType;
	__le16 wDescriptorLength;
} __attribute__ ((packed));

struct hid_descriptor {
	__u8  bLength;
	__u8  bDescriptorType;
	__le16 bcdHID;
	__u8  bCountryCode;
	__u8  bNumDescriptors;

	struct hid_class_descriptor desc[1];
} __attribute__ ((packed));

#define HID_DEVICE(b, ven, prod) \
	.bus = (b), \
	.vendor = (ven), .product = (prod)

#define HID_USB_DEVICE(ven, prod)	HID_DEVICE(BUS_USB, ven, prod)
#define HID_BLUETOOTH_DEVICE(ven, prod)	HID_DEVICE(BUS_BLUETOOTH, ven, prod)

#define HID_REPORT_ID(rep) \
	.report_type = (rep)
#define HID_USAGE_ID(uhid, utype, ucode) \
	.usage_hid = (uhid), .usage_type = (utype), .usage_code = (ucode)
#define HID_TERMINATOR		(HID_ANY_ID - 1)

struct hid_report_id {
	__u32 report_type;
};
struct hid_usage_id {
	__u32 usage_hid;
	__u32 usage_type;
	__u32 usage_code;
};

struct hid_driver {
	char *name;
	const struct hid_device_id *id_table;

	struct list_head dyn_list;
	spinlock_t dyn_lock;

	int (*probe)(struct hid_device *dev, const struct hid_device_id *id);
	void (*remove)(struct hid_device *dev);

	const struct hid_report_id *report_table;
	int (*raw_event)(struct hid_device *hdev, struct hid_report *report,
			u8 *data, int size);
	const struct hid_usage_id *usage_table;
	int (*event)(struct hid_device *hdev, struct hid_field *field,
			struct hid_usage *usage, __s32 value);

	__u8 *(*report_fixup)(struct hid_device *hdev, __u8 *buf,
			unsigned int *size);

	int (*input_mapping)(struct hid_device *hdev,
			struct hid_input *hidinput, struct hid_field *field,
			struct hid_usage *usage, unsigned long **bit, int *max);
	int (*input_mapped)(struct hid_device *hdev,
			struct hid_input *hidinput, struct hid_field *field,
			struct hid_usage *usage, unsigned long **bit, int *max);
	void (*feature_mapping)(struct hid_device *hdev,
			struct hid_field *field,
			struct hid_usage *usage);
	int (*input_register)(struct hid_device *hdev, struct hid_input
			*hidinput);
#ifdef CONFIG_PM
	int (*suspend)(struct hid_device *hdev, pm_message_t message);
	int (*resume)(struct hid_device *hdev);
	int (*reset_resume)(struct hid_device *hdev);
#endif
	struct device_driver driver;
};

struct hid_ll_driver {
	int (*start)(struct hid_device *hdev);
	void (*stop)(struct hid_device *hdev);

	int (*open)(struct hid_device *hdev);
	void (*close)(struct hid_device *hdev);

	int (*power)(struct hid_device *hdev, int level);

	int (*hidinput_input_event) (struct input_dev *idev, unsigned int type,
			unsigned int code, int value);

	int (*parse)(struct hid_device *hdev);
};

#define	PM_HINT_FULLON	1<<5
#define PM_HINT_NORMAL	1<<1

#define IS_INPUT_APPLICATION(a) (((a >= 0x00010000) && (a <= 0x00010008)) || (a == 0x00010080) || (a == 0x000c0001) || ((a >= 0x000d0002) && (a <= 0x000d0006)))


extern int hid_debug;

extern int hid_add_device(struct hid_device *);
extern void hid_destroy_device(struct hid_device *);

extern int __must_check __hid_register_driver(struct hid_driver *,
		struct module *, const char *mod_name);

#define hid_register_driver(driver) \
	__hid_register_driver(driver, THIS_MODULE, KBUILD_MODNAME)

extern void hid_unregister_driver(struct hid_driver *);

extern void hidinput_hid_event(struct hid_device *, struct hid_field *, struct hid_usage *, __s32);
extern void hidinput_report_event(struct hid_device *hid, struct hid_report *report);
extern int hidinput_connect(struct hid_device *hid, unsigned int force);
extern void hidinput_disconnect(struct hid_device *);

int hid_set_field(struct hid_field *, unsigned, __s32);
int hid_input_report(struct hid_device *, int type, u8 *, int, int);
int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field);
struct hid_field *hidinput_get_led_field(struct hid_device *hid);
unsigned int hidinput_count_leds(struct hid_device *hid);
void hid_output_report(struct hid_report *report, __u8 *data);
struct hid_device *hid_allocate_device(void);
struct hid_report *hid_register_report(struct hid_device *device, unsigned type, unsigned id);
int hid_parse_report(struct hid_device *hid, __u8 *start, unsigned size);
int hid_check_keys_pressed(struct hid_device *hid);
int hid_connect(struct hid_device *hid, unsigned int connect_mask);
void hid_disconnect(struct hid_device *hid);
const struct hid_device_id *hid_match_id(struct hid_device *hdev,
					 const struct hid_device_id *id);

static inline void hid_map_usage(struct hid_input *hidinput,
		struct hid_usage *usage, unsigned long **bit, int *max,
		__u8 type, __u16 c)
{
	struct input_dev *input = hidinput->input;

	usage->type = type;
	usage->code = c;

	switch (type) {
	case EV_ABS:
		*bit = input->absbit;
		*max = ABS_MAX;
		break;
	case EV_REL:
		*bit = input->relbit;
		*max = REL_MAX;
		break;
	case EV_KEY:
		*bit = input->keybit;
		*max = KEY_MAX;
		break;
	case EV_LED:
		*bit = input->ledbit;
		*max = LED_MAX;
		break;
	}
}

static inline void hid_map_usage_clear(struct hid_input *hidinput,
		struct hid_usage *usage, unsigned long **bit, int *max,
		__u8 type, __u16 c)
{
	hid_map_usage(hidinput, usage, bit, max, type, c);
	clear_bit(c, *bit);
}

static inline int __must_check hid_parse(struct hid_device *hdev)
{
	int ret;

	if (hdev->status & HID_STAT_PARSED)
		return 0;

	ret = hdev->ll_driver->parse(hdev);
	if (!ret)
		hdev->status |= HID_STAT_PARSED;

	return ret;
}

static inline int __must_check hid_hw_start(struct hid_device *hdev,
		unsigned int connect_mask)
{
	int ret = hdev->ll_driver->start(hdev);
	if (ret || !connect_mask)
		return ret;
	ret = hid_connect(hdev, connect_mask);
	if (ret)
		hdev->ll_driver->stop(hdev);
	return ret;
}

static inline void hid_hw_stop(struct hid_device *hdev)
{
	hid_disconnect(hdev);
	hdev->ll_driver->stop(hdev);
}

static inline int __must_check hid_hw_open(struct hid_device *hdev)
{
	return hdev->ll_driver->open(hdev);
}

static inline void hid_hw_close(struct hid_device *hdev)
{
	hdev->ll_driver->close(hdev);
}


static inline int hid_hw_power(struct hid_device *hdev, int level)
{
	return hdev->ll_driver->power ? hdev->ll_driver->power(hdev, level) : 0;
}

int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, int size,
		int interrupt);

extern int hid_generic_init(void);
extern void hid_generic_exit(void);

u32 usbhid_lookup_quirk(const u16 idVendor, const u16 idProduct);
int usbhid_quirks_init(char **quirks_param);
void usbhid_quirks_exit(void);
void usbhid_set_leds(struct hid_device *hid);

#ifdef CONFIG_HID_PID
int hid_pidff_init(struct hid_device *hid);
#else
#define hid_pidff_init NULL
#endif

#define dbg_hid(format, arg...)						\
do {									\
	if (hid_debug)							\
		printk(KERN_DEBUG "%s: " format, __FILE__, ##arg);	\
} while (0)

#define hid_printk(level, hid, fmt, arg...)		\
	dev_printk(level, &(hid)->dev, fmt, ##arg)
#define hid_emerg(hid, fmt, arg...)			\
	dev_emerg(&(hid)->dev, fmt, ##arg)
#define hid_crit(hid, fmt, arg...)			\
	dev_crit(&(hid)->dev, fmt, ##arg)
#define hid_alert(hid, fmt, arg...)			\
	dev_alert(&(hid)->dev, fmt, ##arg)
#define hid_err(hid, fmt, arg...)			\
	dev_err(&(hid)->dev, fmt, ##arg)
#define hid_notice(hid, fmt, arg...)			\
	dev_notice(&(hid)->dev, fmt, ##arg)
#define hid_warn(hid, fmt, arg...)			\
	dev_warn(&(hid)->dev, fmt, ##arg)
#define hid_info(hid, fmt, arg...)			\
	dev_info(&(hid)->dev, fmt, ##arg)
#define hid_dbg(hid, fmt, arg...)			\
	dev_dbg(&(hid)->dev, fmt, ##arg)

#endif 

#endif