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__ */ 31