/* * JZ4780 BCH controller * * Copyright (c) 2015 Imagination Technologies * Author: Alex Smith <alex.smith@imgtec.com> * * 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. */ #ifndef __DRIVERS_MTD_NAND_JZ4780_BCH_H__ #define __DRIVERS_MTD_NAND_JZ4780_BCH_H__ #include <linux/types.h> struct device; struct device_node; struct jz4780_bch; /** * struct jz4780_bch_params - BCH parameters * @size: data bytes per ECC step. * @bytes: ECC bytes per step. * @strength: number of correctable bits per ECC step. */ struct jz4780_bch_params { int size; int bytes; int strength; }; int jz4780_bch_calculate(struct jz4780_bch *bch, struct jz4780_bch_params *params, const u8 *buf, u8 *ecc_code); int jz4780_bch_correct(struct jz4780_bch *bch, struct jz4780_bch_params *params, u8 *buf, u8 *ecc_code); void jz4780_bch_release(struct jz4780_bch *bch); struct jz4780_bch *of_jz4780_bch_get(struct device_node *np); #endif /* __DRIVERS_MTD_NAND_JZ4780_BCH_H__ */