1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * Line 6 Linux USB driver
4  *
5  * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
6  */
7 
8 #ifndef MIDIBUF_H
9 #define MIDIBUF_H
10 
11 struct midi_buffer {
12 	unsigned char *buf;
13 	int size;
14 	int split;
15 	int pos_read, pos_write;
16 	int full;
17 	int command_prev;
18 };
19 
20 extern int line6_midibuf_bytes_used(struct midi_buffer *mb);
21 extern int line6_midibuf_bytes_free(struct midi_buffer *mb);
22 extern void line6_midibuf_destroy(struct midi_buffer *mb);
23 extern int line6_midibuf_ignore(struct midi_buffer *mb, int length);
24 extern int line6_midibuf_init(struct midi_buffer *mb, int size, int split);
25 extern int line6_midibuf_read(struct midi_buffer *mb, unsigned char *data,
26 			      int length);
27 extern void line6_midibuf_reset(struct midi_buffer *mb);
28 extern int line6_midibuf_write(struct midi_buffer *mb, unsigned char *data,
29 			       int length);
30 
31 #endif
32