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b74e6985bf
It is wanted to use MTK NAND driver with GPL-2.0 or MIT license. But now it is only licensed as GPL-2.0, so re-license it as dual MIT/GPL. Signed-off-by: Xiaolei Li <xiaolei.li@mediatek.com> Acked-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org> Acked-by: Ryder Lee <ryder.lee@mediatek.com> Acked-by: Rafał Miłecki <rafal@milecki.pl> Acked-by: Miquel Raynal <miquel.raynal@bootlin.com> Acked-by: Boris Brezillon <boris.brezillon@collabora.com> Acked-by: Wen Yang <yellowriver2010@hotmail.com> Acked-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: RogerCC Lin <rogercc.lin@mediatek.com> Reviewed-by: Matthias Brugger <matthias.bgg@gmail.com> Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
48 lines
1.2 KiB
C
48 lines
1.2 KiB
C
/* 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 <xiaolei.li@mediatek.com>
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* Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
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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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