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>

1 files changed, 44 insertions, 0 deletions

diff --git a/sound/usb/6fire/comm.h b/sound/usb/6fire/comm.h
new file mode 100644
index 000000000000..edc5dc84b888
--- /dev/null
+++ b/sound/usb/6fire/comm.h
@@ -0,0 +1,44 @@
+/*
+ * 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_COMM_H
+#define USB6FIRE_COMM_H
+
+#include "common.h"
+
+enum /* settings for comm */
+{
+        COMM_RECEIVER_BUFSIZE = 64,
+};
+
+struct comm_runtime {
+        struct sfire_chip *chip;
+
+        struct urb receiver;
+        u8 receiver_buffer[COMM_RECEIVER_BUFSIZE];
+
+        u8 serial; /* urb serial */
+
+        void (*init_urb)(struct comm_runtime *rt, struct urb *urb, u8 *buffer,
+                        void *context, void(*handler)(struct urb *urb));
+        /* writes control data to the device */
+        int (*write8)(struct comm_runtime *rt, u8 request, u8 reg, u8 value);
+        int (*write16)(struct comm_runtime *rt, u8 request, u8 reg,
+                        u8 vh, u8 vl);
+};
+
+int __devinit usb6fire_comm_init(struct sfire_chip *chip);
+void usb6fire_comm_abort(struct sfire_chip *chip);
+void usb6fire_comm_destroy(struct sfire_chip *chip);
+#endif /* USB6FIRE_COMM_H */
+