1/* SPDX-License-Identifier: GPL-2.0 */
2/*
3 *  drivers/mtd/nand_ecc.h
4 *
5 *  Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
6 *			    David Woodhouse <dwmw2@infradead.org>
7 *			    Thomas Gleixner <tglx@linutronix.de>
8 *
9 * This file is the header for the ECC algorithm.
10 */
11
12#ifndef __MTD_NAND_ECC_H__
13#define __MTD_NAND_ECC_H__
14
15struct mtd_info;
16
17/*
18 * Calculate 3 byte ECC code for 256 byte block
19 */
20int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
21
22/*
23 * Detect and correct a 1 bit error for 256 byte block
24 */
25int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
26
27#endif /* __MTD_NAND_ECC_H__ */
28