1 | /* SPDX-License-Identifier: GPL-2.0 */ |
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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 |