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/* SPDX-License-Identifier: GPL-2.0-only */
/*
* Copyright (c) 2007 Jiri Kosina
*/
#ifndef _HIDRAW_H
#define _HIDRAW_H
#include <uapi/linux/hidraw.h>
struct hidraw {
unsigned int minor;
int exist;
int open;
wait_queue_head_t wait;
struct hid_device *hid;
struct device *dev;
spinlock_t list_lock;
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);
int 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 int hidraw_report_event(struct hid_device *hid, u8 *data, int len) { return 0; }
static inline int hidraw_connect(struct hid_device *hid) { return -1; }
static inline void hidraw_disconnect(struct hid_device *hid) { }
#endif
#endif