nand_ecc.h 748 B

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  1. /*
  2. * drivers/mtd/nand_ecc.h
  3. *
  4. * Copyright (C) 2000 Steven J. Hill (sjhill@realitydiluted.com)
  5. *
  6. * This program is free software; you can redistribute it and/or modify
  7. * it under the terms of the GNU General Public License version 2 as
  8. * published by the Free Software Foundation.
  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__ */