nand_ecc.h 812 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. * $Id: nand_ecc.h,v 1.1.1.1 2007/06/12 07:27:16 eyryu Exp $
  7. *
  8. * This program is free software; you can redistribute it and/or modify
  9. * it under the terms of the GNU General Public License version 2 as
  10. * published by the Free Software Foundation.
  11. *
  12. * This file is the header for the ECC algorithm.
  13. */
  14. #ifndef __MTD_NAND_ECC_H__
  15. #define __MTD_NAND_ECC_H__
  16. struct mtd_info;
  17. /*
  18. * Calculate 3 byte ECC code for 256 byte block
  19. */
  20. int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
  21. /*
  22. * Detect and correct a 1 bit error for 256 byte block
  23. */
  24. int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
  25. #endif /* __MTD_NAND_ECC_H__ */