--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Audio Signal Processing/audio_sourcesink_chipset_api.h	Fri Jun 26 15:44:04 2009 +0100
@@ -0,0 +1,77 @@
+/*
+  audio_sourcesink_chipset_api.h
+
+  Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+  All rights reserved.
+
+  This program and the accompanying materials are made available 
+  under the terms of the Eclipse Public License v1.0 which accompanies 
+  this distribution, and is available at 
+  http://www.eclipse.org/legal/epl-v10.html
+
+  Initial Contributors:
+  Nokia Corporation - initial contribution.
+
+  Contributors:
+*/
+
+#ifndef AUDIO_SOURCESINK_CHIPSET_API_H
+#define AUDIO_SOURCESINK_CHIPSET_API_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+/* Each OMX header must include all required header files to allow the
+ *  header to compile without errors.  The includes below are required
+ *  for this header file to compile successfully 
+ */
+
+#include <OMX_Audio.h>
+
+/* Including audio_hw_control_chipset_api_v0_1.h */
+#include "audio_hw_control_chipset_api_v0_1.h"
+
+typedef struct OMX_AUDIO_PARAM_SIDETONEYPE {
+    OMX_U32 nSize;
+    OMX_VERSIONTYPE nVersion;
+    OMX_U32 nPortIndex;
+    OMX_S32 nAttenuation;
+    OMX_S32 nGain;
+   } OMX_AUDIO_PARAM_SIDETONETYPE;
+
+
+/* HDMI related configuration structure */
+typedef struct OMX_AUDIO_PARAM_HDMITYPE {
+    OMX_U32 nSize;
+    OMX_VERSIONTYPE nVersion;
+    OMX_U32 nPortIndex;
+    OMX_U32 nSubFrameSize;
+    OMX_U32 nVaildBitsPerSample;
+    OMX_U32 nQFormat;
+} OMX_AUDIO_PARAM_HDMITYPE;
+
+typedef struct OMX_AUDIO_CONFIG_TONEGENERATORTYPE {
+		OMX_U32 nSize;
+		OMX_VERSIONTYPE nVersion;
+		OMX_U32 nPortIndex;
+		OMX_BOOL bEnabled;
+		OMX_TONEGENTONETYPE eTonetype;
+		OMX_U32 nFrequency[2];
+		OMX_U32 nDigit;
+} OMX_AUDIO_CONFIG_TONEGENERATORTYPE
+
+/* Enumerations */
+typedef enum OMX_TONEGENTONETYPE { 
+    OMX_TONEGEN_NormalTone,  /**< Normal Tone */ 
+    OMX_TONEGEN_DtmfTone,    /**< DTMF Tone */ 
+  } OMX_TONEGENTONETYPE; 
+
+      
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif
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