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linux-next/sound/usb/line6/midibuf.h
Takashi Iwai 61864d844c ALSA: move line6 usb driver into sound/usb
Promote line6 driver from staging to sound/usb/line6 directory, and
maintain through sound subsystem tree.

This commit just moves the code and adapts Makefile / Kconfig.
The further renames and misc cleanups will follow.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2015-01-12 22:29:57 +01:00

39 lines
1.2 KiB
C

/*
* Line6 Linux USB driver - 0.9.1beta
*
* Copyright (C) 2004-2010 Markus Grabner (grabner@icg.tugraz.at)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation, version 2.
*
*/
#ifndef MIDIBUF_H
#define MIDIBUF_H
struct midi_buffer {
unsigned char *buf;
int size;
int split;
int pos_read, pos_write;
int full;
int command_prev;
};
extern int line6_midibuf_bytes_used(struct midi_buffer *mb);
extern int line6_midibuf_bytes_free(struct midi_buffer *mb);
extern void line6_midibuf_destroy(struct midi_buffer *mb);
extern int line6_midibuf_ignore(struct midi_buffer *mb, int length);
extern int line6_midibuf_init(struct midi_buffer *mb, int size, int split);
extern int line6_midibuf_read(struct midi_buffer *mb, unsigned char *data,
int length);
extern void line6_midibuf_reset(struct midi_buffer *mb);
extern int line6_midibuf_skip_message(struct midi_buffer *mb,
unsigned short mask);
extern void line6_midibuf_status(struct midi_buffer *mb);
extern int line6_midibuf_write(struct midi_buffer *mb, unsigned char *data,
int length);
#endif