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43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* drivers/mtd/nand_ecc.h
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*
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* Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
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* David Woodhouse <dwmw2@infradead.org>
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* Thomas Gleixner <tglx@linutronix.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This file is the header for the ECC algorithm.
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*/
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#ifndef __MTD_NAND_ECC_H__
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#define __MTD_NAND_ECC_H__
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struct mtd_info;
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/*
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* Calculate 3 byte ECC code for eccsize byte block
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*/
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void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize,
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u_char *ecc_code);
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/*
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* Calculate 3 byte ECC code for 256/512 byte block
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*/
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int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
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/*
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* Detect and correct a 1 bit error for eccsize byte block
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*/
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int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc,
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unsigned int eccsize);
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/*
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* Detect and correct a 1 bit error for 256/512 byte block
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*/
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int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
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#endif /* __MTD_NAND_ECC_H__ */
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