/*

* Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: Minimalistic non volatile memory driver

*

*/

#ifndef _SYBORG_MEDNVMEMORY_H

#define _SYBORG_MEDNVMEMORY_H

#include <kpower.h>

#include <e32keys.h>

#include <system.h>

//#define DEBUG_MEDNVMEMORY

#ifdef DEBUG_MEDNVMEMORY

#define __DEBUG_PRINT(format...)    Kern::Printf(format)

#else

#define __DEBUG_PRINT(format...)    __KTRACE_OPT(KLOCDRV,Kern::Printf(format))

#endif

#define R_NVMEM_ID                                0x0000

#define R_NVMEM_TRANSACTION_OFFSET                0x0004

#define R_NVMEM_TRANSACTION_SIZE                  0x0008

#define R_NVMEM_TRANSACTION_DIRECTION             0x000c

#define R_NVMEM_TRANSACTION_EXECUTE               0x0010

#define R_NVMEM_SHARED_MEMORY_BASE                0x0014

#define R_NVMEM_NV_MEMORY_SIZE                    0x0018

#define R_NVMEM_SHARED_MEMORY_SIZE                0x001c

#define R_NVMEM_STATUS                            0x0020

#define R_NVMEM_ENABLE                            0x0024

#define R_NVMEM_LASTREG                           0x0028  // not a register, address of last register

#define NVMEM_TRANSACTION_UNDEFINED 0

#define NVMEM_TRANSACTION_READ 1

#define NVMEM_TRANSACTION_WRITE 2

// 512 Byte sectors

const TInt KDiskSectorShift	= 9;

const TInt KDiskSectorSize	= 0x200;

// Dfc thread priority 

const TInt KNVMemDfcThreadPriority = 24;

// Transfer buffer size 256kBytes 

const TInt KNVMemTransferBufferSize = 0x40000;

// Transfer buffer size in sectors

const TInt KNVMemTransferBufferSectorCount = KNVMemTransferBufferSize/KDiskSectorSize;

#endif