Merge branch 'master' of ssh://www.aleph1.co.uk/home/aleph1/git/yaffs2

[yaffs2.git] / direct / yaffs_nandif.h

diff --git a/direct/yaffs_nandif.h b/direct/yaffs_nandif.h
index 1a17262ac5519eb79d7b70b6b3e25f67dfb0572d..e780f7f3b40cd085f8ef5a20beda1db2dc9d3a11 100644 (file)
--- a/direct/yaffs_nandif.h
+++ b/direct/yaffs_nandif.h
@@ -1,7 +1,7 @@
 /*
- * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system.
  *
- * Copyright (C) 2002-2007 Aleph One Ltd.
+ * Copyright (C) 2002-2011 Aleph One Ltd.
  *   for Toby Churchill Ltd and Brightstar Engineering
  *
  * Created by Charles Manning <charles@aleph1.co.uk>
@@ -19,22 +19,47 @@
 
 #include "yaffs_guts.h"
 
-typedef struct {
-               unsigned startBlock;
-               unsigned endBlock;
-               unsigned dataSize;              // Number of data bytes per page
-               unsigned spareSize;             // Number of spare bytes per chunk
-               unsigned pagesPerBlock;
-               unsigned hasECC;
-               unsigned inbandTags;    // Use inband tags on this device
-               unsigned useYaffs2;
-} ynandif_Geometry;
-
-int ynandif_WriteChunkWithTagsToNAND(yaffs_Device *dev,int chunkInNAND,const __u8 *data, const yaffs_ExtendedTags *tags);
-int ynandif_ReadChunkWithTagsFromNAND(yaffs_Device *dev,int chunkInNAND, __u8 *data, yaffs_ExtendedTags *tags);
-int ynandif_EraseBlockInNAND(yaffs_Device *dev, int blockNumber);
-int ynandif_InitialiseNAND(yaffs_Device *dev);
-int ynandif_MarkNANDBlockBad(yaffs_Device *dev,int blockNumber);
-int ynandif_QueryNANDBlock(yaffs_Device *dev, int blockNo, yaffs_BlockState *state, __u32 *sequenceNumber);
-int ynandif_GetGeometry(yaffs_Device *dev, ynandif_Geometry *geometry);
+struct ynandif_Geometry {
+       unsigned start_block;
+       unsigned end_block;
+       unsigned dataSize;
+       unsigned spareSize;
+       unsigned pagesPerBlock;
+       unsigned hasECC;
+       unsigned inband_tags;
+       unsigned useYaffs2;
+
+       int (*initialise)(struct yaffs_dev *dev);
+       int (*deinitialise)(struct yaffs_dev *dev);
+
+       int (*readChunk) (struct yaffs_dev *dev,
+                                         unsigned pageId,
+                                         unsigned char *data,
+                                         unsigned dataLength,
+                                         unsigned char *spare,
+                                         unsigned spareLength,
+                                         int *eccStatus);
+       /* ECC status is set to 0 for OK, 1 for fixed, -1 for unfixed. */
+
+       int (*writeChunk)(struct yaffs_dev *dev,
+                                         unsigned pageId,
+                                         const unsigned char *data,
+                                         unsigned dataLength,
+                                         const unsigned char *spare,
+                                         unsigned spareLength);
+
+       int (*eraseBlock)(struct yaffs_dev *dev, unsigned blockId);
+
+       int (*checkBlockOk)(struct yaffs_dev *dev, unsigned blockId);
+       int (*markBlockBad)(struct yaffs_dev *dev, unsigned blockId);
+
+       void *privateData;
+
+};
+
+struct yaffs_dev *
+       yaffs_add_dev_from_geometry(const YCHAR *name,
+                                       const struct ynandif_Geometry *geometry);
+
+
 #endif