1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3 * Line 6 Linux USB driver
4 *
5 * Copyright (C) 2004-2010 Markus Grabner (line6@grabner-graz.at)
6 */
7
8 #ifndef MIDIBUF_H
9 #define MIDIBUF_H
10
11 #define LINE6_MIDIBUF_READ_TX 0
12 #define LINE6_MIDIBUF_READ_RX 1
13
14 struct midi_buffer {
15 unsigned char *buf;
16 int size;
17 int split;
18 int pos_read, pos_write;
19 int full;
20 int command_prev;
21 };
22
23 extern int line6_midibuf_bytes_used(struct midi_buffer *mb);
24 extern int line6_midibuf_bytes_free(struct midi_buffer *mb);
25 extern void line6_midibuf_destroy(struct midi_buffer *mb);
26 extern int line6_midibuf_ignore(struct midi_buffer *mb, int length);
27 extern int line6_midibuf_init(struct midi_buffer *mb, int size, int split);
28 extern int line6_midibuf_read(struct midi_buffer *mb, unsigned char *data,
29 int length, int read_type);
30 extern void line6_midibuf_reset(struct midi_buffer *mb);
31 extern int line6_midibuf_write(struct midi_buffer *mb, unsigned char *data,
32 int length);
33
34 #endif
35
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