blob: 12c5bc342ead0341838b2053071df6b80d55dd6f [file] [log] [blame]
Wolfgang Denk932394a2005-08-17 12:55:25 +02001/*
2 * drivers/mtd/nand_ecc.h
3 *
4 * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
5 *
6 * $Id: nand_ecc.h,v 1.4 2004/06/17 02:35:02 dbrown Exp $
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License version 2 as
10 * published by the Free Software Foundation.
11 *
12 * This file is the header for the ECC algorithm.
13 */
14
15#ifndef __MTD_NAND_ECC_H__
16#define __MTD_NAND_ECC_H__
17
18struct mtd_info;
19
20/*
21 * Calculate 3 byte ECC code for 256 byte block
22 */
23int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
24
25/*
26 * Detect and correct a 1 bit error for 256 byte block
27 */
28int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
29
30#endif /* __MTD_NAND_ECC_H__ */