MakefileBasedBuild/Atmel/sam3x/sam3x-ek/libraries/memories/include/NandSpareScheme.h

/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support
 * ----------------------------------------------------------------------------
 * Copyright (c) 2010, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
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 */

/**
 *  \file
 *
 *  Include Defines & macros for the nand flash spare scheme.
 */

#ifndef NANDSPARESCHEME_H
#define NANDSPARESCHEME_H

/*----------------------------------------------------------------------------
 *        Headers
 *----------------------------------------------------------------------------*/

#include "NandCommon.h"

/*----------------------------------------------------------------------------
 *        Type
 *----------------------------------------------------------------------------*/

struct NandSpareScheme {

    uint8_t badBlockMarkerPosition;
    uint8_t numEccBytes;
    uint8_t eccBytesPositions[NandCommon_MAXSPAREECCBYTES];
    uint8_t numExtraBytes;
    uint8_t extraBytesPositions[NandCommon_MAXSPAREEXTRABYTES];
};

/*----------------------------------------------------------------------------
 *        Exported variables
 *----------------------------------------------------------------------------*/
extern const struct NandSpareScheme nandSpareScheme256;
extern const struct NandSpareScheme nandSpareScheme512;
extern const struct NandSpareScheme nandSpareScheme2048;
extern const struct NandSpareScheme nandSpareScheme4096;

/*----------------------------------------------------------------------------
 *        Exported function
 *----------------------------------------------------------------------------*/

extern void NandSpareScheme_ReadBadBlockMarker(
    const struct NandSpareScheme *scheme,
    const uint8_t *spare,
    uint8_t *marker);

extern void NandSpareScheme_WriteBadBlockMarker(
    const struct NandSpareScheme *scheme,
    uint8_t *spare,
    uint8_t marker);

extern void NandSpareScheme_ReadEcc(
    const struct NandSpareScheme *scheme,
    const uint8_t *spare,
    uint8_t *ecc);

extern void NandSpareScheme_WriteEcc(
    const struct NandSpareScheme *scheme,
    uint8_t *spare,
    const uint8_t *ecc);

extern void NandSpareScheme_ReadExtra(
    const struct NandSpareScheme *scheme,
    const uint8_t *spare,
    void *extra,
    uint8_t size,
    uint8_t offset);

extern void NandSpareScheme_WriteExtra(
    const struct NandSpareScheme *scheme,
    uint8_t *spare,
    const void *extra,
    uint8_t size,
    uint8_t offset);

#endif /*#ifndef NANDSPARESCHEME_H*/