target/linux/generic-2.6/files-2.6.25/fs/yaffs2/yaffs_nand.h

   1 /*
   2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2007 Aleph One Ltd.
   5  *   for Toby Churchill Ltd and Brightstar Engineering
   6  *
   7  * Created by Charles Manning <charles@aleph1.co.uk>
   8  *
   9  * This program is free software; you can redistribute it and/or modify
  10  * it under the terms of the GNU Lesser General Public License version 2.1 as
  11  * published by the Free Software Foundation.
  12  *
  13  * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
  14  */
  15
  16 #ifndef __YAFFS_NAND_H__
  17 #define __YAFFS_NAND_H__
  18 #include "yaffs_guts.h"
  19
  20
  21
  22 int yaffs_ReadChunkWithTagsFromNAND(yaffs_Device * dev, int chunkInNAND,
  23                                            __u8 * buffer,
  24                                            yaffs_ExtendedTags * tags);
  25
  26 int yaffs_WriteChunkWithTagsToNAND(yaffs_Device * dev,
  27                                                    int chunkInNAND,
  28                                                    const __u8 * buffer,
  29                                                    yaffs_ExtendedTags * tags);
  30
  31 int yaffs_MarkBlockBad(yaffs_Device * dev, int blockNo);
  32
  33 int yaffs_QueryInitialBlockState(yaffs_Device * dev,
  34                                                  int blockNo,
  35                                                  yaffs_BlockState * state,
  36                                                  unsigned *sequenceNumber);
  37
  38 int yaffs_EraseBlockInNAND(struct yaffs_DeviceStruct *dev,
  39                                   int blockInNAND);
  40
  41 int yaffs_InitialiseNAND(struct yaffs_DeviceStruct *dev);
  42
  43 #endif
  44