fs/yaffs2/yaffs_flashif.h

   1 /*
   2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2011 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_FLASH_H__
  17 #define __YAFFS_FLASH_H__
  18
  19
  20 #include "yaffs_guts.h"
  21 int yflash_EraseBlockInNAND(struct yaffs_dev *dev, int blockNumber);
  22 int yflash_WriteChunkToNAND(struct yaffs_dev *dev, int nand_chunk,
  23                         const u8 *data, const struct yaffs_spare *spare);
  24 int yflash_WriteChunkWithTagsToNAND(struct yaffs_dev *dev, int nand_chunk,
  25                         const u8 *data, const struct yaffs_ext_tags *tags);
  26 int yflash_ReadChunkFromNAND(struct yaffs_dev *dev, int nand_chunk,
  27                         u8 *data, struct yaffs_spare *spare);
  28 int yflash_ReadChunkWithTagsFromNAND(struct yaffs_dev *dev, int nand_chunk,
  29                         u8 *data, struct yaffs_ext_tags *tags);
  30 int yflash_InitialiseNAND(struct yaffs_dev *dev);
  31 int yflash_MarkNANDBlockBad(struct yaffs_dev *dev, int block_no);
  32 int yflash_QueryNANDBlock(struct yaffs_dev *dev, int block_no,
  33                         enum yaffs_block_state *state, u32 *seq_number);
  34
  35 #endif