diff --git a/mcu/protocol/interface/mcd/include/mcd.h b/mcu/protocol/interface/mcd/include/mcd.h
new file mode 100644
index 0000000..6be5fef
--- /dev/null
+++ b/mcu/protocol/interface/mcd/include/mcd.h
@@ -0,0 +1,303 @@
+/*****************************************************************************
+*  Copyright Statement:
+*  --------------------
+*  This software is protected by Copyright and the information contained
+*  herein is confidential. The software may not be copied and the information
+*  contained herein may not be used or disclosed except with the written
+*  permission of MediaTek Inc. (C) 2005
+*
+*  BY OPENING THIS FILE, BUYER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
+*  THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
+*  RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO BUYER ON
+*  AN "AS-IS" BASIS ONLY. MEDIATEK EXPRESSLY DISCLAIMS ANY AND ALL WARRANTIES,
+*  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OF
+*  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NONINFRINGEMENT.
+*  NEITHER DOES MEDIATEK PROVIDE ANY WARRANTY WHATSOEVER WITH RESPECT TO THE
+*  SOFTWARE OF ANY THIRD PARTY WHICH MAY BE USED BY, INCORPORATED IN, OR
+*  SUPPLIED WITH THE MEDIATEK SOFTWARE, AND BUYER AGREES TO LOOK ONLY TO SUCH
+*  THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO. MEDIATEK SHALL ALSO
+*  NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE RELEASES MADE TO BUYER'S
+*  SPECIFICATION OR TO CONFORM TO A PARTICULAR STANDARD OR OPEN FORUM.
+*
+*  BUYER'S SOLE AND EXCLUSIVE REMEDY AND MEDIATEK'S ENTIRE AND CUMULATIVE
+*  LIABILITY WITH RESPECT TO THE MEDIATEK SOFTWARE RELEASED HEREUNDER WILL BE,
+*  AT MEDIATEK'S OPTION, TO REVISE OR REPLACE THE MEDIATEK SOFTWARE AT ISSUE,
+*  OR REFUND ANY SOFTWARE LICENSE FEES OR SERVICE CHARGE PAID BY BUYER TO
+*  MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE. 
+*
+*  THE TRANSACTION CONTEMPLATED HEREUNDER SHALL BE CONSTRUED IN ACCORDANCE
+*  WITH THE LAWS OF THE STATE OF CALIFORNIA, USA, EXCLUDING ITS CONFLICT OF
+*  LAWS PRINCIPLES.  ANY DISPUTES, CONTROVERSIES OR CLAIMS ARISING THEREOF AND
+*  RELATED THERETO SHALL BE SETTLED BY ARBITRATION IN SAN FRANCISCO, CA, UNDER
+*  THE RULES OF THE INTERNATIONAL CHAMBER OF COMMERCE (ICC).
+*
+*****************************************************************************/
+
+/*******************************************************************************
+ *
+ * Filename:
+ * ---------
+ *	mcd.
+ *
+ * Project:
+ * --------
+ *   MAUI
+ *
+ * Description:
+ * ------------
+ *   MediaTek Coding/Decoding engine header file. (2002.11.11)
+ *
+ * Author:
+ * -------
+ * -------
+ *
+ *==============================================================================
+ * 				HISTORY
+ * Below this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
+ *------------------------------------------------------------------------------
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+ *------------------------------------------------------------------------------
+ * Upper this line, this part is controlled by PVCS VM. DO NOT MODIFY!! 
+ *==============================================================================
+ *******************************************************************************/
+
+#ifndef _MCD_H
+#define _MCD_H
+
+//------------------------------ suggest Add ------------------------------
+#include "kal_general_types.h"
+
+#include "mcd_public_api.h"
+
+#define MCD_ERROR ((kal_uint32)-1)
+#define MCD_INVALID_STRUCT_ID ((kal_uint16)-1)
+
+#ifdef MCD_DLL
+	#define MCDDLL_API typedef __declspec(dllimport)
+	#define _DECLARE_(f) (* f##_func)
+#elif  defined(MCD_DLL_EXPORT)
+	#define MCDDLL_API __declspec(dllexport)
+	#define _DECLARE_(f) f
+	#define MCD_ENABLE_QUERY
+	//#define kal_trace
+	//#define MCD_OUTSIDE_TABLE
+#else
+	#define MCDDLL_API extern
+	#define _DECLARE_(f) f
+#endif
+
+#define MCD_L3_MESSAGE_ERROR_HANDLE
+#define MCD_PD_CC (3)
+#define MCD_PD_INVALID (255)
+#define SET_MCD_PD(x) mcd_pd=x
+
+extern kal_uint8 mcd_pd;
+
+#ifdef __MCD_CODESET_SHIFT__ 
+MCDDLL_API void _DECLARE_(mcd_update_plmn)(kal_uint8,kal_uint8,kal_uint8,kal_uint8,kal_uint8,kal_uint8);
+#endif
+
+MCDDLL_API kal_uint32 _DECLARE_(mcd_pseudo_alloc)(kal_uint16 msgid,kal_uint32 *dest,kal_uint32 dest_size);
+MCDDLL_API kal_uint32 _DECLARE_(mcd_pack)(kal_uint16 msgid,kal_uint32 *dest,kal_uint32 dest_size,kal_uint8 *src);
+MCDDLL_API kal_uint32 _DECLARE_(mcd_unpack)(kal_uint16 msgid,kal_uint32 *dest,kal_uint32 dest_size,kal_uint32 *src,kal_uint32 total_bits);
+
+MCDDLL_API kal_uint16 _DECLARE_(mcd_get_structure_id)(const kal_uint8 * struct_name);
+MCDDLL_API const kal_uint8 * _DECLARE_(mcd_get_structure_name)(kal_uint16 structid);
+MCDDLL_API kal_uint16 _DECLARE_(mcd_find_structure_id)(kal_uint32 msg_id,kal_uint8 *src,kal_uint32 total_bits);
+
+#undef DECLARE
+
+typedef enum
+{
+	MCD_UNKNOWN_ERROR=1, 
+	MCD_COMPREHENSION_ERROR,
+	MCD_UNKNOWN_OPCODE_ERROR,
+	MCD_UNPACK_NEED_MORE_BITSTREAM_ERROR,
+	MCD_UNPACK_USE_THE_SAME_ADDRESS_ERROR,
+	MCD_PACK_USE_THE_SAME_ADDRESS_ERROR,
+	MCD_BUFFER_MUST_START_AT_4_ALIGNMENT_ERROR,
+	MCD_REPEAT_IEI_UNKNOWN_ERROR,
+	MCD_ALLOCATE_SEGMENT_OVERFLOW_ERROR,
+	MCD_ALLOCATE_MEMORY_NOT_ENOUGH_ERROR,
+	MCD_LOST_ENDIF_ERROR,
+	MCD_LOST_ENDBERIF_ERROR,
+	MCD_FREE_SEGMENT_ERROR,
+	MCD_PACK_BUFFER_OVERFLOW_ERROR,
+	MCD_RESIZE_MEMORY_NOT_ENOUGH_ERROR,
+	MCD_ILLEGAL_SEGMENT_ADDRESS_ERROR,
+	MCD_NULL_POINTER_ASSIGNMENT_ERROR, 
+	MCD_POINTER_OUT_OF_RANGE_ERROR,
+	MCD_CANT_FIND_THE_END_OF_INFINITE_MARK,
+  MCD_MANDATORY_IE_LENGTH_INVALID,
+  MCD_OPTIONAL_IE_LENGTH_INVALID	
+} mcd_error_enum;
+
+typedef struct
+{
+	kal_uint8 errorno; // mcd_error_enum
+	kal_uint16 op_start;
+	kal_uint16 op_pos;
+} mcd_error_struct;
+
+/* how many pointers are contained in each structure? 
+   (include recursive structure reference)*/
+
+#define SASKEN_STRUCT_START     MCD_TABLE_SIZE + 2000
+#define UB_PEER_STRUCT_START    MCD_TABLE_SIZE + 4000
+#define UB_DB_STRUCT_START      MCD_TABLE_SIZE + 6000
+#define UB_EXTRA_STRUCT_START   MCD_TABLE_SIZE + 8000
+#define NAS_STRUCT_START        MCD_TABLE_SIZE + 10000
+#define ENAS_STRUCT_START       MCD_TABLE_SIZE + 11000
+#define MA_STRUCT_START         MCD_TABLE_SIZE + 12000
+#define ERRC_STRUCT_START       MCD_TABLE_SIZE + 14000
+#define EL1_STRUCT_START        MCD_TABLE_SIZE + 16000
+#define LPP_STRUCT_START        MCD_TABLE_SIZE + 17000
+#define NRRC_STRUCT_START       MCD_TABLE_SIZE + 18000
+#define VGNAS_STRUCT_START      MCD_TABLE_SIZE + 19000
+
+// opcode enum
+typedef enum
+{
+    // general & ASN command
+    END,
+    MCD_IGNORE,
+    BITS,
+    //BITS_ARRAY,
+    BYTES,
+	//BYTES16,
+	//MAXBITS,
+    MAXBYTES,
+	//MAXBYTES16,
+    CHOICE,
+    CALL,
+	REFCALL,
+    IF,
+    ARRAYSTRUCT,
+    MAXSTRUCT,
+    CASE,
+    BACKWARD,
+    EXT_TI,
+    BREAK,
+    ENDCHOICE,
+
+    // ACT command
+    BER_NUMSTRING,
+    BER_BYTES,
+    BER_MAXIA5STRING,
+    BER_OID,
+    BER_INTEGER,
+    BER_BOOLEAN,
+    BER_ENUM,
+    BER_MAXBYTES,
+    BER_SEQUENCE,
+	BER_SET,
+    BER_NULL,
+    BER_TAG,
+    BER_IF,
+    BER_MAXSTRUCT,
+    BER_OPTIONAL,
+    BER_CASE,
+    BER_CASE_TRY,
+	BER_ANY,
+
+    IEI_LIST,
+	INFINITE_CALL,
+	PADDING_BITS,
+	CSN_TAG,
+	SPARE_BITS,
+#ifdef __MCD_CODESET_SHIFT__ 
+  IEI_SHIFT_CHK,
+#endif
+    MCD_OP_SUM,
+
+    ENDBER_SEQUENCE,
+    ENDBER_IF,
+    ENDIF
+} mcd_op_enum;
+
+#include "mcd_l3.h"
+#include "mcd_l4.h"
+
+#endif // _MCD_H
diff --git a/mcu/protocol/interface/mcd/include/mcd_l3.h.template b/mcu/protocol/interface/mcd/include/mcd_l3.h.template
new file mode 100644
index 0000000..a9d1566
--- /dev/null
+++ b/mcu/protocol/interface/mcd/include/mcd_l3.h.template
@@ -0,0 +1,8 @@
+#ifndef _MCD_L3_H
+#define _MCD_L3_H
+
+/*MTK:BEGIN:generate_mcd_defination*/
+
+/*MTK:END*/
+
+#endif // _MCD_L3_H
diff --git a/mcu/protocol/interface/mcd/include/mcd_l4.h.template b/mcu/protocol/interface/mcd/include/mcd_l4.h.template
new file mode 100644
index 0000000..9e50f38
--- /dev/null
+++ b/mcu/protocol/interface/mcd/include/mcd_l4.h.template
@@ -0,0 +1,8 @@
+#ifndef _MCD_L4_H
+#define _MCD_L4_H
+
+/*MTK:BEGIN:generate_mcd_defination*/
+
+/*MTK:END*/
+
+#endif // _MCD_L4_H