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
36