| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame^] | 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 |