| /* | 
 |  *  drivers/mtd/nand_ecc.h | 
 |  * | 
 |  *  Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com) | 
 |  * | 
 |  * $Id: nand_ecc.h,v 1.4 2004/06/17 02:35:02 dbrown Exp $ | 
 |  * | 
 |  * 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 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__ */ |