43 строки
1.1 KiB
C
43 строки
1.1 KiB
C
/*
|
|
* 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 program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*
|
|
* 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 eccsize byte block
|
|
*/
|
|
void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
|
|
u_char *ecc_code);
|
|
|
|
/*
|
|
* Calculate 3 byte ECC code for 256/512 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 eccsize byte block
|
|
*/
|
|
int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
|
|
unsigned int eccsize);
|
|
|
|
/*
|
|
* Detect and correct a 1 bit error for 256/512 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__ */
|