nand_ecc.h 695 B

123456789101112131415161718192021222324252627
  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. /*
  3. * drivers/mtd/nand_ecc.h
  4. *
  5. * Copyright (C) 2000-2010 Steven J. Hill <sjhill@realitydiluted.com>
  6. * David Woodhouse <dwmw2@infradead.org>
  7. * Thomas Gleixner <tglx@linutronix.de>
  8. *
  9. * This file is the header for the ECC algorithm.
  10. */
  11. #ifndef __MTD_NAND_ECC_H__
  12. #define __MTD_NAND_ECC_H__
  13. struct mtd_info;
  14. /*
  15. * Calculate 3 byte ECC code for 256 byte block
  16. */
  17. int nand_calculate_ecc(struct mtd_info *mtd, const u_char *dat, u_char *ecc_code);
  18. /*
  19. * Detect and correct a 1 bit error for 256 byte block
  20. */
  21. int nand_correct_data(struct mtd_info *mtd, u_char *dat, u_char *read_ecc, u_char *calc_ecc);
  22. #endif /* __MTD_NAND_ECC_H__ */