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1da177e4 LT |
1 | /* |
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 | ||
18 | struct mtd_info; | |
19 | ||
20 | /* | |
21 | * Calculate 3 byte ECC code for 256 byte block | |
22 | */ | |
23 | int 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 | */ | |
28 | int 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__ */ |