[people/ms/u-boot.git] / include / linux / mtd / nand_ecc.h

/*
 *  drivers/mtd/nand_ecc.h
 *
 *  Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
 *			    David Woodhouse <dwmw2@infradead.org>
 *			    Thomas Gleixner <tglx@linutronix.de>
 *
 * SPDX-License-Identifier:	GPL-2.0
 *
 * This file is the header for the ECC algorithm.
 */

#ifndef __MTD_NAND_ECC_H__
#define __MTD_NAND_ECC_H__

struct mtd_info;

/*
 * Calculate 3 byte ECC code for 256 byte block
 */
int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);

/*
 * Detect and correct a 1 bit error for 256 byte block
 */
int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);

#endif /* __MTD_NAND_ECC_H__ */
Commit	Line	Data
932394ac WD	1	/*
	2	* drivers/mtd/nand_ecc.h
	3	*
78e9e71c TR	4	* Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
	5	* David Woodhouse <dwmw2@infradead.org>
	6	* Thomas Gleixner <tglx@linutronix.de>
932394ac	7	*
78e9e71c	8	* SPDX-License-Identifier: GPL-2.0
932394ac WD	9	*
	10	* This file is the header for the ECC algorithm.
	11	*/
	12
	13	#ifndef __MTD_NAND_ECC_H__
	14	#define __MTD_NAND_ECC_H__
	15
	16	struct mtd_info;
	17
	18	/*
	19	* Calculate 3 byte ECC code for 256 byte block
	20	*/
	21	int nand_calculate_ecc(struct mtd_info mtd, const u_char dat, u_char *ecc_code);
	22
	23	/*
	24	* Detect and correct a 1 bit error for 256 byte block
	25	*/
	26	int nand_correct_data(struct mtd_info mtd, u_char dat, u_char read_ecc, u_char calc_ecc);
	27
	28	#endif /* __MTD_NAND_ECC_H__ */