1/*
2 *  drivers/mtd/nand_ecc.h
3 *
4 *  Copyright (C) 2000 Steven J. Hill (sjhill@cotw.com)
5 *
6 * $Id: nand_ecc.h,v 1.1.1.1 2008/10/15 03:27:31 james26_jang 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/*
16 * Creates non-inverted ECC code from line parity
17 */
18void nand_trans_result(u_char reg2, u_char reg3, u_char *ecc_code);
19
20/*
21 * Calculate 3 byte ECC code for 256 byte block
22 */
23void nand_calculate_ecc (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 (u_char *dat, u_char *read_ecc, u_char *calc_ecc);
29