diff options
Diffstat (limited to 'sound/usb/6fire/midi.h')
| -rw-r--r-- | sound/usb/6fire/midi.h | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/sound/usb/6fire/midi.h b/sound/usb/6fire/midi.h new file mode 100644 index 00000000000..97a7bf66913 --- /dev/null +++ b/sound/usb/6fire/midi.h @@ -0,0 +1,46 @@ +/* + * Linux driver for TerraTec DMX 6Fire USB + * + * Author: Torsten Schenk <torsten.schenk@zoho.com> + * Created: Jan 01, 2011 + * Version: 0.3.0 + * Copyright: (C) Torsten Schenk + * + * 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; either version 2 of the License, or + * (at your option) any later version. + */ + +#ifndef USB6FIRE_MIDI_H +#define USB6FIRE_MIDI_H + +#include "common.h" + +enum { + MIDI_BUFSIZE = 64 +}; + +struct midi_runtime { + struct sfire_chip *chip; + struct snd_rawmidi *instance; + + struct snd_rawmidi_substream *in; + char in_active; + + spinlock_t in_lock; + spinlock_t out_lock; + struct snd_rawmidi_substream *out; + struct urb out_urb; + u8 out_serial; /* serial number of out packet */ + u8 out_buffer[MIDI_BUFSIZE]; + int buffer_offset; + + void (*in_received)(struct midi_runtime *rt, u8 *data, int length); +}; + +int __devinit usb6fire_midi_init(struct sfire_chip *chip); +void usb6fire_midi_abort(struct sfire_chip *chip); +void usb6fire_midi_destroy(struct sfire_chip *chip); +#endif /* USB6FIRE_MIDI_H */ + |