| Wolfgang Denk | 2f9b7e4 | 2005-08-17 12:55:25 +0200 | [diff] [blame] | 1 | /* |
| 2 | * drivers/mtd/nand_ecc.h |
| 3 | * |
| 4 | * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com) |
| 5 | * |
| Wolfgang Denk | 2f9b7e4 | 2005-08-17 12:55:25 +0200 | [diff] [blame] | 6 | * This program is free software; you can redistribute it and/or modify |
| 7 | * it under the terms of the GNU General Public License version 2 as |
| 8 | * published by the Free Software Foundation. |
| 9 | * |
| 10 | * This file is the header for the ECC algorithm. |
| 11 | */ |
| 12 | |
| 13 | #ifndef __MTD_NAND_ECC_H__ |
| 14 | #define __MTD_NAND_ECC_H__ |
| 15 | |
| 16 | struct mtd_info; |
| 17 | |
| 18 | /* |
| 19 | * Calculate 3 byte ECC code for 256 byte block |
| 20 | */ |
| 21 | int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); |
| 22 | |
| 23 | /* |
| 24 | * Detect and correct a 1 bit error for 256 byte block |
| 25 | */ |
| 26 | int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); |
| 27 | |
| 28 | #endif /* __MTD_NAND_ECC_H__ */ |