mirror of https://gitee.com/openkylin/linux.git
44 lines
1.1 KiB
C
44 lines
1.1 KiB
C
|
/*
|
||
|
|
* 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__ */
|