/* Copyright Statement:
 *
 * This software/firmware and related documentation ("MediaTek Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to MediaTek Inc. and/or its licensors. Without
 * the prior written permission of MediaTek inc. and/or its licensors, any
 * reproduction, modification, use or disclosure of MediaTek Software, and
 * information contained herein, in whole or in part, shall be strictly
 * prohibited.
 *
 * MediaTek Inc. (C) 2010. All rights reserved.
 *
 * BY OPENING THIS FILE, RECEIVER HEREBY UNEQUIVOCALLY ACKNOWLEDGES AND AGREES
 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("MEDIATEK SOFTWARE")
 * RECEIVED FROM MEDIATEK AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
 * 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 RECEIVER AGREES
 * TO LOOK ONLY TO SUCH THIRD PARTY FOR ANY WARRANTY CLAIM RELATING THERETO.
 * RECEIVER EXPRESSLY ACKNOWLEDGES THAT IT IS RECEIVER'S SOLE RESPONSIBILITY TO
 * OBTAIN FROM ANY THIRD PARTY ALL PROPER LICENSES CONTAINED IN MEDIATEK
 * SOFTWARE. MEDIATEK SHALL ALSO NOT BE RESPONSIBLE FOR ANY MEDIATEK SOFTWARE
 * RELEASES MADE TO RECEIVER'S SPECIFICATION OR TO CONFORM TO A PARTICULAR
 * STANDARD OR OPEN FORUM. RECEIVER'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 RECEIVER TO MEDIATEK FOR SUCH MEDIATEK SOFTWARE AT ISSUE.
 *
 * The following software/firmware and/or related documentation ("MediaTek
 * Software") have been modified by MediaTek Inc. All revisions are subject to
 * any receiver's applicable license agreements with MediaTek Inc.
 */

#ifndef BLKDEV_H
#define BLKDEV_H

#include "typedefs.h"

typedef struct blkdev blkdev_t;

struct blkdev {
    u32 type;       /* block device type */
    u32 blksz;      /* block size. (read/write unit) */
    u32 erasesz;    /* erase size */
    u32 blks;       /* number of blocks in the device */
    u32 offset;     /* user area offset in blksz unit */
    u8 *blkbuf;     /* block size buffer */
    void *priv;     /* device private data */
    blkdev_t *next; /* next block device */
    int (*bread)(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id);
    int (*bwrite)(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id);
    u64 (*get_part_size)(blkdev_t *bdev, u32 part_id);
};

extern int blkdev_register(blkdev_t *bdev);
extern int blkdev_read(blkdev_t *bdev, u64 src, u32 size, u8 *dst, u32 part_id);
extern int blkdev_write(blkdev_t *bdev, u64 dst, u32 size, u8 *src, u32 part_id);
extern int blkdev_bread(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id);
extern int blkdev_bwrite(blkdev_t *bdev, u32 blknr, u32 blks, u8 *buf, u32 part_id);
extern int blkdev_boot_read(blkdev_t *bdev, u64 src, u32 size, u8 *dst);
extern blkdev_t *blkdev_get(u32 type);

#endif /* BLKDEV_H */