2 * drivers/mtd/nand_ecc.h
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.
12 * This file is the header for the ECC algorithm.
15 #ifndef __MTD_NAND_ECC_H__
16 #define __MTD_NAND_ECC_H__
21 * Calculate 3 byte ECC code for eccsize byte block
23 void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
27 * Calculate 3 byte ECC code for 256/512 byte block
29 int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
32 * Detect and correct a 1 bit error for eccsize byte block
34 int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
35 unsigned int eccsize);
38 * Detect and correct a 1 bit error for 256/512 byte block
40 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
42 #endif /* __MTD_NAND_ECC_H__ */