/*

   * YAFFS: Yet another Flash File System . A NAND-flash specific file system.

   *

   * Copyright (C) 2002-2011 Aleph One Ltd.

   *   for Toby Churchill Ltd and Brightstar Engineering
   *
   * Created by Charles Manning <charles@aleph1.co.uk>
   *
   * This program is free software; you can redistribute it and/or modify
   * it under the terms of the GNU Lesser General Public License version 2.1 as
   * published by the Free Software Foundation.
   *
   * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
   */
  
  #ifndef __YAFFS_NAND_H__
  #define __YAFFS_NAND_H__
  #include "yaffs_guts.h"

  int yaffs_rd_chunk_tags_nand(struct yaffs_dev *dev, int nand_chunk,
  			     u8 *buffer, struct yaffs_ext_tags *tags);

  int yaffs_wr_chunk_tags_nand(struct yaffs_dev *dev,
  			     int nand_chunk,
  			     const u8 *buffer, struct yaffs_ext_tags *tags);

  int yaffs_mark_bad(struct yaffs_dev *dev, int block_no);

  int yaffs_query_init_block_state(struct yaffs_dev *dev,
  				 int block_no,
  				 enum yaffs_block_state *state,
  				 unsigned *seq_number);

  int yaffs_erase_block(struct yaffs_dev *dev, int flash_block);

  int yaffs_init_nand(struct yaffs_dev *dev);

  
  #endif