include/linux/mtd/nand_ecc.h

   1 /*
   2  *  drivers/mtd/nand_ecc.h
   3  *
   4  *  Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
   5  *
   6  * $Id: nand_ecc.h,v 1.4 2004/06/17 02:35:02 dbrown Exp $
   7  *
   8  * This program is free software; you can redistribute it and/or modify
   9  * it under the terms of the GNU General Public License version 2 as
  10  * published by the Free Software Foundation.
  11  *
  12  * This file is the header for the ECC algorithm.
  13  */
  14
  15 #ifndef __MTD_NAND_ECC_H__
  16 #define __MTD_NAND_ECC_H__
  17
  18 struct mtd_info;
  19
  20 /*
  21  * Calculate 3 byte ECC code for 256 byte block
  22  */
  23 int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
  24
  25 /*
  26  * Detect and correct a 1 bit error for 256 byte block
  27  */
  28 int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
  29
  30 #endif /* __MTD_NAND_ECC_H__ */