elphel: os/nandboot-R2_0_4/mtd/nand

00001 /*
00002  *  drivers/mtd/nand_ecc.h
00003  *
00004  *  Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
00005  *
00006  * $Id: nand_ecc.h,v 1.1.1.1 2008/11/27 20:04:00 elphel Exp $
00007  *
00008  * This program is free software; you can redistribute it and/or modify
00009  * it under the terms of the GNU General Public License version 2 as
00010  * published by the Free Software Foundation.
00011  *
00012  * This file is the header for the ECC algorithm.
00013  */
00014 
00015 #ifndef __MTD_NAND_ECC_H__
00016 #define __MTD_NAND_ECC_H__
00017 
00018 struct mtd_info;
00019 
00020 /*
00021  * Calculate 3 byte ECC code for 256 byte block
00022  */
00023 int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
00024 
00025 /*
00026  * Detect and correct a 1 bit error for 256 byte block
00027  */
00028 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
00029 
00030 #endif /* __MTD_NAND_ECC_H__ */
os/nandboot-R2_0_4/mtd/nand_ecc.h
