target/linux/generic/files/fs/yaffs2/yaffs_nandemul2k.h

   1 /*
   2  * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
   3  *
   4  * Copyright (C) 2002-2010 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 /* Interface to emulated NAND functions (2k page size) */
  17
  18 #ifndef __YAFFS_NANDEMUL2K_H__
  19 #define __YAFFS_NANDEMUL2K_H__
  20
  21 #include "yaffs_guts.h"
  22
  23 int nandemul2k_WriteChunkWithTagsToNAND(struct yaffs_dev_s *dev,
  24                                         int nand_chunk, const __u8 *data,
  25                                         const yaffs_ext_tags *tags);
  26 int nandemul2k_ReadChunkWithTagsFromNAND(struct yaffs_dev_s *dev,
  27                                          int nand_chunk, __u8 *data,
  28                                          yaffs_ext_tags *tags);
  29 int nandemul2k_MarkNANDBlockBad(struct yaffs_dev_s *dev, int block_no);
  30 int nandemul2k_QueryNANDBlock(struct yaffs_dev_s *dev, int block_no,
  31                               yaffs_block_state_t *state, __u32 *seq_number);
  32 int nandemul2k_EraseBlockInNAND(struct yaffs_dev_s *dev,
  33                                 int flash_block);
  34 int nandemul2k_InitialiseNAND(struct yaffs_dev_s *dev);
  35 int nandemul2k_GetBytesPerChunk(void);
  36 int nandemul2k_GetChunksPerBlock(void);
  37 int nandemul2k_GetNumberOfBlocks(void);
  38
  39 #endif