diff options
| author | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-02-06 01:02:04 +0300 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-02-16 12:09:34 +0300 |
| commit | 93db446a424cee9387b532995e6b516667079555 (patch) | |
| tree | 39c7900ae38d890fb971ea5fc6f194f7e66fa797 /drivers/mtd/nand/raw/mtk_ecc.h | |
| parent | 7b6afee7291802aa8c02aa918782033992caf641 (diff) | |
| download | linux-93db446a424cee9387b532995e6b516667079555.tar.xz | |
mtd: nand: move raw NAND related code to the raw/ subdir
As part of the process of sharing more code between different NAND
based devices, we need to move all raw NAND related code to the raw/
subdirectory.
Signed-off-by: Boris Brezillon <boris.brezillon@bootlin.com>
Diffstat (limited to 'drivers/mtd/nand/raw/mtk_ecc.h')
| -rw-r--r-- | drivers/mtd/nand/raw/mtk_ecc.h | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/mtk_ecc.h b/drivers/mtd/nand/raw/mtk_ecc.h new file mode 100644 index 000000000000..a455df080952 --- /dev/null +++ b/drivers/mtd/nand/raw/mtk_ecc.h @@ -0,0 +1,49 @@ +/* + * 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> + +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(struct mtk_ecc *ecc, u32 *p); +unsigned int mtk_ecc_get_parity_bits(struct mtk_ecc *ecc); + +struct mtk_ecc *of_mtk_ecc_get(struct device_node *); +void mtk_ecc_release(struct mtk_ecc *); + +#endif |