| Tom Rini | 10e4779 | 2018-05-06 17:58:06 -0400 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
| Wolfgang Denk | 2f9b7e4 | 2005-08-17 12:55:25 +0200 | [diff] [blame] | 2 | /* |
| 3 | * drivers/mtd/nand_ecc.h |
| 4 | * |
| Tom Rini | f76fe25 | 2015-10-23 09:37:47 -0400 | [diff] [blame] | 5 | * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> |
| 6 | * David Woodhouse <dwmw2@infradead.org> |
| 7 | * Thomas Gleixner <tglx@linutronix.de> |
| Wolfgang Denk | 2f9b7e4 | 2005-08-17 12:55:25 +0200 | [diff] [blame] | 8 | * |
| Wolfgang Denk | 2f9b7e4 | 2005-08-17 12:55:25 +0200 | [diff] [blame] | 9 | * This file is the header for the ECC algorithm. |
| 10 | */ |
| 11 | |
| 12 | #ifndef __MTD_NAND_ECC_H__ |
| 13 | #define __MTD_NAND_ECC_H__ |
| 14 | |
| 15 | struct mtd_info; |
| 16 | |
| 17 | /* |
| 18 | * Calculate 3 byte ECC code for 256 byte block |
| 19 | */ |
| 20 | int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); |
| 21 | |
| 22 | /* |
| 23 | * Detect and correct a 1 bit error for 256 byte block |
| 24 | */ |
| 25 | int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); |
| 26 | |
| Wolfgang Denk | 2f9b7e4 | 2005-08-17 12:55:25 +0200 | [diff] [blame] | 27 | #endif /* __MTD_NAND_ECC_H__ */ |