Add experimental yaffs_nandif.[ch]

[yaffs2.git] / direct / yaffs_nandif.h

diff --git a/direct/yaffs_nandif.h b/direct/yaffs_nandif.h
new file mode 100644 (file)
index 0000000..1a17262
--- /dev/null
+++ b/direct/yaffs_nandif.h
@@ -0,0 +1,40 @@
+/*
+ * YAFFS: Yet another Flash File System . A NAND-flash specific file system. 
+ *
+ * Copyright (C) 2002-2007 Aleph One Ltd.
+ *   for Toby Churchill Ltd and Brightstar Engineering
+ *
+ * Created by Charles Manning <charles@aleph1.co.uk>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 2.1 as
+ * published by the Free Software Foundation.
+ *
+ * Note: Only YAFFS headers are LGPL, YAFFS C code is covered by GPL.
+ */
+
+
+#ifndef __YNANDIF_H__
+#define __YNANDIF_H__
+
+#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);
+#endif