[deliverable/linux.git] / include / linux / hidraw.h

#ifndef _HIDRAW_H
#define _HIDRAW_H

/*
 *  Copyright (c) 2007 Jiri Kosina
 */

/*
 * This program is free software; you can redistribute it and/or modify it
 * under the terms and conditions of the GNU General Public License,
 * version 2, as published by the Free Software Foundation.
 *
 * 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.,
 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
 */

struct hidraw_report_descriptor {
	__u32 size;
	__u8 *value;
};

struct hidraw_devinfo {
	__u32 bustype;
	__s16 vendor;
	__s16 product;
};

/* ioctl interface */
#define HIDIOCGRDESCSIZE	_IOR('H', 0x01, int)
#define HIDIOCGRDESC		_IOR('H', 0x02, struct hidraw_report_descriptor)
#define HIDIOCGRAWINFO		_IOR('H', 0x03, struct hidraw_devinfo)

#define HIDRAW_FIRST_MINOR 0
#define HIDRAW_MAX_DEVICES 64
/* number of reports to buffer */
#define HIDRAW_BUFFER_SIZE 64


/* kernel-only API declarations */
#ifdef __KERNEL__

#include <linux/hid.h>

struct hidraw {
	unsigned int minor;
	int exist;
	int open;
	wait_queue_head_t wait;
	struct hid_device *hid;
	struct device *dev;
	struct list_head list;
};

struct hidraw_report {
	__u8 *value;
	int len;
};

struct hidraw_list {
	struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
	int head;
	int tail;
	struct fasync_struct *fasync;
	struct hidraw *hidraw;
	struct list_head node;
	struct mutex read_mutex;
};

#ifdef CONFIG_HIDRAW
int hidraw_init(void);
void hidraw_exit(void);
void hidraw_report_event(struct hid_device *, u8 *, int);
int hidraw_connect(struct hid_device *);
void hidraw_disconnect(struct hid_device *);
#else
static inline int hidraw_init(void) { return 0; }
static inline void hidraw_exit(void) { }
static inline void hidraw_report_event(struct hid_device *hid, u8 *data, int len) { }
static inline int hidraw_connect(struct hid_device *hid) { return -1; }
static inline void hidraw_disconnect(struct hid_device *hid) { }
#endif

#endif

#endif
Commit	Line	Data
86166b7b JK	1	#ifndef _HIDRAW_H
	2	#define _HIDRAW_H
	3
	4	/*
	5	* Copyright (c) 2007 Jiri Kosina
	6	*/
	7
	8	/*
	9	* This program is free software; you can redistribute it and/or modify it
	10	* under the terms and conditions of the GNU General Public License,
	11	* version 2, as published by the Free Software Foundation.
	12	*
	13	* You should have received a copy of the GNU General Public License along with
	14	* this program; if not, write to the Free Software Foundation, Inc.,
	15	* 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
	16	*/
	17
	18	struct hidraw_report_descriptor {
	19	__u32 size;
	20	__u8 *value;
	21	};
	22
	23	struct hidraw_devinfo {
	24	__u32 bustype;
	25	__s16 vendor;
	26	__s16 product;
	27	};
	28
	29	/* ioctl interface */
	30	#define HIDIOCGRDESCSIZE _IOR('H', 0x01, int)
	31	#define HIDIOCGRDESC _IOR('H', 0x02, struct hidraw_report_descriptor)
	32	#define HIDIOCGRAWINFO _IOR('H', 0x03, struct hidraw_devinfo)
	33
	34	#define HIDRAW_FIRST_MINOR 0
	35	#define HIDRAW_MAX_DEVICES 64
	36	/* number of reports to buffer */
	37	#define HIDRAW_BUFFER_SIZE 64
	38
	39
	40	/* kernel-only API declarations */
	41	#ifdef __KERNEL__
	42
	43	#include <linux/hid.h>
	44
	45	struct hidraw {
	46	unsigned int minor;
	47	int exist;
	48	int open;
	49	wait_queue_head_t wait;
	50	struct hid_device *hid;
	51	struct device *dev;
	52	struct list_head list;
	53	};
	54
	55	struct hidraw_report {
	56	__u8 *value;
	57	int len;
	58	};
	59
	60	struct hidraw_list {
	61	struct hidraw_report buffer[HIDRAW_BUFFER_SIZE];
	62	int head;
	63	int tail;
	64	struct fasync_struct *fasync;
65	struct hidraw *hidraw;
66	struct list_head node;
67	struct mutex read_mutex;
68	};
69
70	#ifdef CONFIG_HIDRAW
71	int hidraw_init(void);
72	void hidraw_exit(void);
73	void hidraw_report_event(struct hid_device , u8 , int);
74	int hidraw_connect(struct hid_device *);
75	void hidraw_disconnect(struct hid_device *);
76	#else
77	static inline int hidraw_init(void) { return 0; }
78	static inline void hidraw_exit(void) { }
79	static inline void hidraw_report_event(struct hid_device hid, u8 data, int len) { }
80	static inline int hidraw_connect(struct hid_device *hid) { return -1; }
81	static inline void hidraw_disconnect(struct hid_device *hid) { }
82	#endif
83
84	#endif
85
86	#endif