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

/* SPDX-License-Identifier: GPL-2.0 */
/*
 *  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>
 *
 * 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
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0 */
932394ac WD	2	/*
	3	* drivers/mtd/nand_ecc.h
	4	*
78e9e71c TR	5	* Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
	6	* David Woodhouse <dwmw2@infradead.org>
	7	* Thomas Gleixner <tglx@linutronix.de>
932394ac	8	*
932394ac WD	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
	15	struct mtd_info;
	16
	17	/*
	18	* Calculate 3 byte ECC code for 256 byte block
	19	*/
	20	int 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	*/
	25	int 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__ */