nand_ecc.h 695 B

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  1. /*
  2. * drivers/mtd/nand_ecc.h
  3. *
  4. * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
  5. * David Woodhouse <dwmw2@infradead.org>
  6. * Thomas Gleixner <tglx@linutronix.de>
  7. *
  8. * SPDX-License-Identifier: GPL-2.0
  9. *
  10. * This file is the header for the ECC algorithm.
  11. */
  12. #ifndef __MTD_NAND_ECC_H__
  13. #define __MTD_NAND_ECC_H__
  14. struct mtd_info;
  15. /*
  16. * Calculate 3 byte ECC code for 256 byte block
  17. */
  18. int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
  19. /*
  20. * Detect and correct a 1 bit error for 256 byte block
  21. */
  22. int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
  23. #endif /* __MTD_NAND_ECC_H__ */