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47 lines
1.2 KiB
47 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0 OR MIT */ |
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/* |
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* MTK SDG1 ECC controller |
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* |
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* Copyright (c) 2016 Mediatek |
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* Authors: Xiaolei Li <[email protected]> |
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* Jorge Ramirez-Ortiz <[email protected]> |
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*/ |
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#ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__ |
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#define __DRIVERS_MTD_NAND_MTK_ECC_H__ |
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#include <linux/types.h> |
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enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1}; |
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enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE}; |
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struct device_node; |
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struct mtk_ecc; |
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struct mtk_ecc_stats { |
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u32 corrected; |
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u32 bitflips; |
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u32 failed; |
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}; |
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struct mtk_ecc_config { |
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enum mtk_ecc_operation op; |
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enum mtk_ecc_mode mode; |
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dma_addr_t addr; |
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u32 strength; |
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u32 sectors; |
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u32 len; |
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}; |
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int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32); |
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void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int); |
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int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation); |
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int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *); |
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void mtk_ecc_disable(struct mtk_ecc *); |
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void mtk_ecc_adjust_strength(struct mtk_ecc *ecc, u32 *p); |
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unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc); |
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struct mtk_ecc *of_mtk_ecc_get(struct device_node *); |
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void mtk_ecc_release(struct mtk_ecc *); |
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#endif
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