diff options
Diffstat (limited to 'include/linux/mtd/nand_ecc.h')
| -rw-r--r-- | include/linux/mtd/nand_ecc.h | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/include/linux/mtd/nand_ecc.h b/include/linux/mtd/nand_ecc.h new file mode 100644 index 00000000..4d8406c8 --- /dev/null +++ b/include/linux/mtd/nand_ecc.h @@ -0,0 +1,42 @@ +/* + * drivers/mtd/nand_ecc.h + * + * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com> + * David Woodhouse <dwmw2@infradead.org> + * Thomas Gleixner <tglx@linutronix.de> + * + * 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. + * + * This file is the header for the ECC algorithm. + */ + +#ifndef __MTD_NAND_ECC_H__ +#define __MTD_NAND_ECC_H__ + +struct mtd_info; + +/* + * Calculate 3 byte ECC code for eccsize byte block + */ +void __nand_calculate_ecc(const u_char *dat, unsigned int eccsize, + u_char *ecc_code); + +/* + * Calculate 3 byte ECC code for 256/512 byte block + */ +int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code); + +/* + * Detect and correct a 1 bit error for eccsize byte block + */ +int __nand_correct_data(u_char *dat, u_char *read_ecc, u_char *calc_ecc, + unsigned int eccsize); + +/* + * Detect and correct a 1 bit error for 256/512 byte block + */ +int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc); + +#endif /* __MTD_NAND_ECC_H__ */ |