From eb95a1532c6a44e52494aeb3935da238fc1dfa6a Mon Sep 17 00:00:00 2001
From: Ross Owen <ross@xmos.com>
Date: Thu, 24 Oct 2013 11:19:17 +0100
Subject: [PATCH] Added dsd_support.h

---
 module_usb_audio/audiohw.h     |  2 --
 module_usb_audio/commands.h    |  2 +-
 module_usb_audio/dsd_support.h | 16 ++++++++++++++++
 3 files changed, 17 insertions(+), 3 deletions(-)
 create mode 100644 module_usb_audio/dsd_support.h

diff --git a/module_usb_audio/audiohw.h b/module_usb_audio/audiohw.h
index e8dafa27..bce49770 100644
--- a/module_usb_audio/audiohw.h
+++ b/module_usb_audio/audiohw.h
@@ -1,8 +1,6 @@
 #ifndef _CODEC_H_
 #define _CODEC_H_
 
-#include "dsd.h"
-
 /* These functions must be implemented for the CODEC/ADC/DAC arrangement of a specific design */
 
 /* TODO Are the channel args required? */
diff --git a/module_usb_audio/commands.h b/module_usb_audio/commands.h
index 8eeca362..bf9f824b 100644
--- a/module_usb_audio/commands.h
+++ b/module_usb_audio/commands.h
@@ -27,7 +27,7 @@
 #define SET_CHAN_COUNT_OUT      6
 #define SET_DSD_MODE            7
 
-#include "dsd.h"
+#include "dsd_support.h"
 
 
 
diff --git a/module_usb_audio/dsd_support.h b/module_usb_audio/dsd_support.h
new file mode 100644
index 00000000..6f3ad91c
--- /dev/null
+++ b/module_usb_audio/dsd_support.h
@@ -0,0 +1,16 @@
+
+#ifndef _DSD_H_
+#define _DSD_H_
+
+#define DSD_MODE_OFF          0
+#define DSD_MODE_DOP          1
+#define DSD_MODE_NATIVE       2
+
+/* DoP defines */
+#define DSD_MARKER_1          0xFA
+#define DSD_MARKER_2          0x05
+#define DSD_MARKER_XOR        0xFF
+#define DSD_EN_THRESH         32          /* Number of consecutive DSD markers before switching to DSD mode */
+#define DSD_MASK(x)           ((x >> 24) & 0xff)
+
+#endif