1 /* SPDX-License-Identifier: GPL-2.0-only */
3 * Line 6 Linux USB driver
5 * Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
11 #define LINE6_MIDIBUF_READ_TX 0
12 #define LINE6_MIDIBUF_READ_RX 1
18 int pos_read, pos_write;
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,