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path: root/drivers/staging/line6/midibuf.h
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/*
 * Line6 Linux USB driver - 0.9.1beta
 *
 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
 *
 *	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, version 2.
 *
 */

#ifndef MIDIBUF_H
#define MIDIBUF_H

struct MidiBuffer {
	unsigned char *buf;
	int size;
	int split;
	int pos_read, pos_write;
	int full;
	int command_prev;
};

extern int line6_midibuf_bytes_used(struct MidiBuffer *mb);
extern int line6_midibuf_bytes_free(struct MidiBuffer *mb);
extern void line6_midibuf_destroy(struct MidiBuffer *mb);
extern int line6_midibuf_ignore(struct MidiBuffer *mb, int length);
extern int line6_midibuf_init(struct MidiBuffer *mb, int size, int split);
extern int line6_midibuf_read(struct MidiBuffer *mb, unsigned char *data,
			      int length);
extern void line6_midibuf_reset(struct MidiBuffer *mb);
extern int line6_midibuf_skip_message(struct MidiBuffer *mb,
				      unsigned short mask);
extern void line6_midibuf_status(struct MidiBuffer *mb);
extern int line6_midibuf_write(struct MidiBuffer *mb, unsigned char *data,
			       int length);

#endif