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#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.
*/
#include <linux/hid.h>
struct hidraw_report_descriptor {
__u32 size;
__u8 value[HID_MAX_DESCRIPTOR_SIZE];
};
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__
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
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