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Linux kernel mirror (for testing)
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linux
1/*
2 * drivers/mtd/nand_ecc.h
3 *
4 * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 as
8 * published by the Free Software Foundation.
9 *
10 * This file is the header for the ECC algorithm.
11 */
12
13#ifndef __MTD_NAND_ECC_H__
14#define __MTD_NAND_ECC_H__
15
16struct mtd_info;
17
18/*
19 * Calculate 3 byte ECC code for 256 byte block
20 */
21int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
22
23/*
24 * Detect and correct a 1 bit error for eccsize byte block
25 */
26int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
27 unsigned int eccsize);
28
29/*
30 * Detect and correct a 1 bit error for 256 byte block
31 */
32int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
33
34#endif /* __MTD_NAND_ECC_H__ */