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/* SPDX-License-Identifier: GPL-2.0 */
/*
* Copyright © 2019 Macronix
* Author: Miquèl Raynal <miquel.raynal@bootlin.com>
*
* Header for the Macronix external ECC engine.
*/
#ifndef __MTD_NAND_ECC_MXIC_H__
#define __MTD_NAND_ECC_MXIC_H__
#include <linux/platform_device.h>
#include <linux/device.h>
struct mxic_ecc_engine;
#if IS_ENABLED(CONFIG_MTD_NAND_ECC_MXIC)
struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void);
struct nand_ecc_engine *mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev);
void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng);
int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng,
unsigned int direction, dma_addr_t dirmap);
#else /* !CONFIG_MTD_NAND_ECC_MXIC */
static inline struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void)
{
return NULL;
}
static inline struct nand_ecc_engine *
mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev)
{
return ERR_PTR(-EOPNOTSUPP);
}
static inline void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng) {}
static inline int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng,
unsigned int direction,
dma_addr_t dirmap)
{
return -EOPNOTSUPP;
}
#endif /* CONFIG_MTD_NAND_ECC_MXIC */
#endif /* __MTD_NAND_ECC_MXIC_H__ */
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