| Alex Smith | ae02ab0 | 2016-01-04 12:34:43 +0000 | [diff] [blame] | 1 | /* |
| 2 | * JZ4780 BCH controller |
| 3 | * |
| 4 | * Copyright (c) 2015 Imagination Technologies |
| 5 | * Author: Alex Smith <alex.smith@imgtec.com> |
| 6 | * |
| 7 | * This program is free software; you can redistribute it and/or modify it |
| 8 | * under the terms of the GNU General Public License version 2 as published |
| 9 | * by the Free Software Foundation. |
| 10 | */ |
| 11 | |
| 12 | #ifndef __DRIVERS_MTD_NAND_JZ4780_BCH_H__ |
| 13 | #define __DRIVERS_MTD_NAND_JZ4780_BCH_H__ |
| 14 | |
| 15 | #include <linux/types.h> |
| 16 | |
| 17 | struct device; |
| 18 | struct device_node; |
| 19 | struct jz4780_bch; |
| 20 | |
| 21 | /** |
| 22 | * struct jz4780_bch_params - BCH parameters |
| 23 | * @size: data bytes per ECC step. |
| 24 | * @bytes: ECC bytes per step. |
| 25 | * @strength: number of correctable bits per ECC step. |
| 26 | */ |
| 27 | struct jz4780_bch_params { |
| 28 | int size; |
| 29 | int bytes; |
| 30 | int strength; |
| 31 | }; |
| 32 | |
| 33 | int jz4780_bch_calculate(struct jz4780_bch *bch, |
| 34 | struct jz4780_bch_params *params, |
| 35 | const u8 *buf, u8 *ecc_code); |
| 36 | int jz4780_bch_correct(struct jz4780_bch *bch, |
| 37 | struct jz4780_bch_params *params, u8 *buf, |
| 38 | u8 *ecc_code); |
| 39 | |
| 40 | void jz4780_bch_release(struct jz4780_bch *bch); |
| 41 | struct jz4780_bch *of_jz4780_bch_get(struct device_node *np); |
| 42 | |
| 43 | #endif /* __DRIVERS_MTD_NAND_JZ4780_BCH_H__ */ |