/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * Line 6 Linux USB driver
 *
 * Copyright (C) 2004-2010 Markus Grabner (line6@grabner-graz.at)
 */

#ifndef MIDIBUF_H
#define MIDIBUF_H

#define LINE6_MIDIBUF_READ_TX 0
#define LINE6_MIDIBUF_READ_RX 1

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

extern int line6_midibuf_bytes_used(struct midi_buffer *mb);
extern int line6_midibuf_bytes_free(struct midi_buffer *mb);
extern void line6_midibuf_destroy(struct midi_buffer *mb);
extern int line6_midibuf_ignore(struct midi_buffer *mb, int length);
extern int line6_midibuf_init(struct midi_buffer *mb, int size, int split);
extern int line6_midibuf_read(struct midi_buffer *mb, unsigned char *data,
                              int length, int read_type);
extern void line6_midibuf_reset(struct midi_buffer *mb);
extern int line6_midibuf_write(struct midi_buffer *mb, unsigned char *data,
                               int length);

#endif