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authorTorsten Schenk <torsten.schenk@zoho.com>2011-01-24 18:45:30 +0100
committerTakashi Iwai <tiwai@suse.de>2011-01-24 18:45:30 +0100
commitc6d43ba816d1cf1d125bfbfc938f2a28a87facf9 (patch)
tree6f9c73ddae1efbda97869cc07dac62dc52b75e8f /sound/usb/6fire/midi.h
parent49c6ad430d74fb7995990be0f66165e4b94a6bc5 (diff)
downloadlinux-stericsson-c6d43ba816d1cf1d125bfbfc938f2a28a87facf9.tar.gz
ALSA: usb/6fire - Driver for TerraTec DMX 6Fire USB
What is working: Everything except SPDIF - Hardware Master volume - PCM 44-192kHz@24 bits, 6 channels out, 4 channels in (analog) - MIDI in/out - firmware loading after cold start - phono/line switching Signed-off-by: Torsten Schenk <torsten.schenk@zoho.com> Signed-off-by: Takashi Iwai <tiwai@suse.de>
Diffstat (limited to 'sound/usb/6fire/midi.h')
-rw-r--r--sound/usb/6fire/midi.h46
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 000000000000..97a7bf669135
--- /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 */
+