xref: /kernel/liteos_a/drivers/mtd/multi_partition/include/mtd_dev.h

/*
 * Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
 * Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without modification,
 * are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice, this list of
 *    conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright notice, this list
 *    of conditions and the following disclaimer in the documentation and/or other materials
 *    provided with the distribution.
 *
 * 3. Neither the name of the copyright holder nor the names of its contributors may be used
 *    to endorse or promote products derived from this software without specific prior written
 *    permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
#ifndef __MTD_DEV_H__
#define __MTD_DEV_H__

#include "los_typedef.h"

#define MTD_NORFLASH        3
#define MTD_NANDFLASH       4
#define MTD_DATAFLASH       6
#define MTD_MLCNANDFLASH    8

struct MtdNorDev {
    unsigned long blockSize;
    unsigned long blockStart;
    unsigned long blockEnd;
};

struct MtdDev {
    VOID *priv;
    UINT32 type;

    UINT64 size;
    UINT32 eraseSize;

    int (*erase)(struct MtdDev *mtd, UINT64 start, UINT64 len, UINT64 *failAddr);
    int (*read)(struct MtdDev *mtd, UINT64 start, UINT64 len, const char *buf);
    int (*write)(struct MtdDev *mtd, UINT64 start, UINT64 len, const char *buf);
};

#endif /* __MTD_DEV_H__ */