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/*

 *  drivers/mtd/nand_ecc.h

 *

 *  Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)

 *

 * $Id: nand_ecc.h,v 1.4 2004/06/17 02:35:02 dbrown Exp $

 *

 * This program is free software; you can redistribute it and/or modify

 * it under the terms of the GNU General Public License version 2 as

 * published by the Free Software Foundation.

 *

 * This file is the header for the ECC algorithm.

 */

#ifndef __MTD_NAND_ECC_H__

#define __MTD_NAND_ECC_H__

struct mtd_info;

/*

 * Calculate 3 byte ECC code for 256 byte block

 */

int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);

/*

 * Detect and correct a 1 bit error for 256 byte block

 */

int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);

#endif /* __MTD_NAND_ECC_H__ */