| 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
|---|---|
| 2 | /* |
| 3 | * Copyright © 2019 Macronix |
| 4 | * Author: Miquèl Raynal <miquel.raynal@bootlin.com> |
| 5 | * |
| 6 | * Header for the Macronix external ECC engine. |
| 7 | */ |
| 8 | |
| 9 | #ifndef __MTD_NAND_ECC_MXIC_H__ |
| 10 | #define __MTD_NAND_ECC_MXIC_H__ |
| 11 | |
| 12 | #include <linux/platform_device.h> |
| 13 | #include <linux/device.h> |
| 14 | |
| 15 | struct mxic_ecc_engine; |
| 16 | |
| 17 | #if IS_ENABLED(CONFIG_MTD_NAND_ECC_MXIC) && IS_REACHABLE(CONFIG_MTD_NAND_CORE) |
| 18 | |
| 19 | struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void); |
| 20 | struct nand_ecc_engine *mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev); |
| 21 | void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng); |
| 22 | int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng, |
| 23 | unsigned int direction, dma_addr_t dirmap); |
| 24 | |
| 25 | #else /* !CONFIG_MTD_NAND_ECC_MXIC */ |
| 26 | |
| 27 | static inline struct nand_ecc_engine_ops *mxic_ecc_get_pipelined_ops(void) |
| 28 | { |
| 29 | return NULL; |
| 30 | } |
| 31 | |
| 32 | static inline struct nand_ecc_engine * |
| 33 | mxic_ecc_get_pipelined_engine(struct platform_device *spi_pdev) |
| 34 | { |
| 35 | return ERR_PTR(-EOPNOTSUPP); |
| 36 | } |
| 37 | |
| 38 | static inline void mxic_ecc_put_pipelined_engine(struct nand_ecc_engine *eng) {} |
| 39 | |
| 40 | static inline int mxic_ecc_process_data_pipelined(struct nand_ecc_engine *eng, |
| 41 | unsigned int direction, |
| 42 | dma_addr_t dirmap) |
| 43 | { |
| 44 | return -EOPNOTSUPP; |
| 45 | } |
| 46 | |
| 47 | #endif /* CONFIG_MTD_NAND_ECC_MXIC */ |
| 48 | |
| 49 | #endif /* __MTD_NAND_ECC_MXIC_H__ */ |
| 50 |