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93db446a42
As part of the process of sharing more code between different NAND based devices, we need to move all raw NAND related code to the raw/ subdirectory. Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
/*
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* JZ4780 BCH controller
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*
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* Copyright (c) 2015 Imagination Technologies
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* Author: Alex Smith <alex.smith@imgtec.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published
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* by the Free Software Foundation.
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*/
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#ifndef __DRIVERS_MTD_NAND_JZ4780_BCH_H__
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#define __DRIVERS_MTD_NAND_JZ4780_BCH_H__
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#include <linux/types.h>
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struct device;
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struct device_node;
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struct jz4780_bch;
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/**
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* struct jz4780_bch_params - BCH parameters
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* @size: data bytes per ECC step.
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* @bytes: ECC bytes per step.
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* @strength: number of correctable bits per ECC step.
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*/
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struct jz4780_bch_params {
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int size;
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int bytes;
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int strength;
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};
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int jz4780_bch_calculate(struct jz4780_bch *bch,
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struct jz4780_bch_params *params,
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const u8 *buf, u8 *ecc_code);
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int jz4780_bch_correct(struct jz4780_bch *bch,
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struct jz4780_bch_params *params, u8 *buf,
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u8 *ecc_code);
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void jz4780_bch_release(struct jz4780_bch *bch);
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struct jz4780_bch *of_jz4780_bch_get(struct device_node *np);
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#endif /* __DRIVERS_MTD_NAND_JZ4780_BCH_H__ */
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