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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/sound/usb/6fire/midi.h
10817 views
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/*

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 * Linux driver for TerraTec DMX 6Fire USB

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 *

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 * Author:	Torsten Schenk <[email protected]>

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 * Created:	Jan 01, 2011

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 * Version:	0.3.0

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 * Copyright:	(C) Torsten Schenk

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 *

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 * This program is free software; you can redistribute it and/or modify

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 * it under the terms of the GNU General Public License as published by

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 * the Free Software Foundation; either version 2 of the License, or

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 * (at your option) any later version.

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 */

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#ifndef USB6FIRE_MIDI_H

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#define USB6FIRE_MIDI_H

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#include "common.h"

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enum {

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	MIDI_BUFSIZE = 64

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};

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struct midi_runtime {

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	struct sfire_chip *chip;

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	struct snd_rawmidi *instance;

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	struct snd_rawmidi_substream *in;

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	char in_active;

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	spinlock_t in_lock;

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	spinlock_t out_lock;

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	struct snd_rawmidi_substream *out;

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	struct urb out_urb;

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	u8 out_serial; /* serial number of out packet */

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	u8 out_buffer[MIDI_BUFSIZE];

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	int buffer_offset;

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	void (*in_received)(struct midi_runtime *rt, u8 *data, int length);

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};

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int __devinit usb6fire_midi_init(struct sfire_chip *chip);

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void usb6fire_midi_abort(struct sfire_chip *chip);

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void usb6fire_midi_destroy(struct sfire_chip *chip);

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#endif /* USB6FIRE_MIDI_H */

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