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 | #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 | |