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- /*
- * MTK SDG1 ECC controller
- *
- * Copyright (c) 2016 Mediatek
- * Authors: Xiaolei Li <xiaolei.li@mediatek.com>
- * Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License version 2 as published
- * by the Free Software Foundation.
- */
- #ifndef __DRIVERS_MTD_NAND_MTK_ECC_H__
- #define __DRIVERS_MTD_NAND_MTK_ECC_H__
- #include <linux/types.h>
- #define ECC_PARITY_BITS (14)
- enum mtk_ecc_mode {ECC_DMA_MODE = 0, ECC_NFI_MODE = 1};
- enum mtk_ecc_operation {ECC_ENCODE, ECC_DECODE};
- struct device_node;
- struct mtk_ecc;
- struct mtk_ecc_stats {
- u32 corrected;
- u32 bitflips;
- u32 failed;
- };
- struct mtk_ecc_config {
- enum mtk_ecc_operation op;
- enum mtk_ecc_mode mode;
- dma_addr_t addr;
- u32 strength;
- u32 sectors;
- u32 len;
- };
- int mtk_ecc_encode(struct mtk_ecc *, struct mtk_ecc_config *, u8 *, u32);
- void mtk_ecc_get_stats(struct mtk_ecc *, struct mtk_ecc_stats *, int);
- int mtk_ecc_wait_done(struct mtk_ecc *, enum mtk_ecc_operation);
- int mtk_ecc_enable(struct mtk_ecc *, struct mtk_ecc_config *);
- void mtk_ecc_disable(struct mtk_ecc *);
- void mtk_ecc_adjust_strength(u32 *);
- struct mtk_ecc *of_mtk_ecc_get(struct device_node *);
- void mtk_ecc_release(struct mtk_ecc *);
- #endif
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