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comparison direct/yaffs_nandif.h @ 265:1da182c82204

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Add experimental yaffs_nandif.[ch]
author charles <charles>
date Mon, 09 Feb 2009 03:20:33 +0000
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children b5309c9b6d7f
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264:3d3cda524900 265:1da182c82204
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
17 #ifndef __YNANDIF_H__
18 #define __YNANDIF_H__
19
20 #include "yaffs_guts.h"
21
22 typedef struct {
23 unsigned startBlock;
24 unsigned endBlock;
25 unsigned dataSize; // Number of data bytes per page
26 unsigned spareSize; // Number of spare bytes per chunk
27 unsigned pagesPerBlock;
28 unsigned hasECC;
29 unsigned inbandTags; // Use inband tags on this device
30 unsigned useYaffs2;
31 } ynandif_Geometry;
32
33 int ynandif_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_ExtendedTags *tags);
34 int ynandif_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
35 int ynandif_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
36 int ynandif_InitialiseNAND(yaffs_Device *dev);
37 int ynandif_MarkNANDBlockBad(yaffs_Device *dev,int blockNumber);
38 int ynandif_QueryNANDBlock(yaffs_Device *dev, int blockNo, yaffs_BlockState *state, __u32 *sequenceNumber);
39 int ynandif_GetGeometry(yaffs_Device *dev, ynandif_Geometry *geometry);
40 #endif