diff options
| author | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-02-05 23:02:04 +0100 |
|---|---|---|
| committer | Boris Brezillon <boris.brezillon@bootlin.com> | 2018-02-16 10:09:34 +0100 |
| commit | 93db446a424cee9387b532995e6b516667079555 (patch) | |
| tree | 39c7900ae38d890fb971ea5fc6f194f7e66fa797 /drivers/mtd/nand/raw/jz4780_bch.h | |
| parent | 7b6afee7291802aa8c02aa918782033992caf641 (diff) | |
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/jz4780_bch.h')
| -rw-r--r-- | drivers/mtd/nand/raw/jz4780_bch.h | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/drivers/mtd/nand/raw/jz4780_bch.h b/drivers/mtd/nand/raw/jz4780_bch.h new file mode 100644 index 000000000000..bf4718088a3a --- /dev/null +++ b/drivers/mtd/nand/raw/jz4780_bch.h @@ -0,0 +1,43 @@ +/* + * JZ4780 BCH controller + * + * Copyright (c) 2015 Imagination Technologies + * Author: Alex Smith <alex.smith@imgtec.com> + * + * 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_JZ4780_BCH_H__ +#define __DRIVERS_MTD_NAND_JZ4780_BCH_H__ + +#include <linux/types.h> + +struct device; +struct device_node; +struct jz4780_bch; + +/** + * struct jz4780_bch_params - BCH parameters + * @size: data bytes per ECC step. + * @bytes: ECC bytes per step. + * @strength: number of correctable bits per ECC step. + */ +struct jz4780_bch_params { + int size; + int bytes; + int strength; +}; + +int jz4780_bch_calculate(struct jz4780_bch *bch, + struct jz4780_bch_params *params, + const u8 *buf, u8 *ecc_code); +int jz4780_bch_correct(struct jz4780_bch *bch, + struct jz4780_bch_params *params, u8 *buf, + u8 *ecc_code); + +void jz4780_bch_release(struct jz4780_bch *bch); +struct jz4780_bch *of_jz4780_bch_get(struct device_node *np); + +#endif /* __DRIVERS_MTD_NAND_JZ4780_BCH_H__ */ |