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/*
* File : dfs_uffs.h
* This file is part of Device File System in RT-Thread RTOS
* COPYRIGHT (C) 2004-2012, RT-Thread Development Team
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Change Logs:
* Date Author Notes
* 2012-03-30 prife the first version
*/
#ifndef DFS_UFFS_H_
#define DFS_UFFS_H_
#include "uffs_config.h"
#include "uffs/uffs_public.h"
/* the UFFS ECC mode opitons */
#ifndef RT_UFFS_ECC_MODE
#define RT_UFFS_ECC_MODE 1
#endif
/*
* RT_UFFS_ECC_MODE:
* 0, Do not use ECC
* 1, UFFS calculate the ECC
* 2, Flash driver(or by hardware) calculate the ECC
* 3, Hardware calculate the ECC and automatically write to spare.
*/
#if RT_UFFS_ECC_MODE == 0
#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_NONE
#elif RT_UFFS_ECC_MODE == 1
#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_SOFT
#elif RT_UFFS_ECC_MODE == 2
#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_HW
#elif RT_UFFS_ECC_MODE == 3
#define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_HW_AUTO
#endif
/* #define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_HW_AUTO */
/* #define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_SOFT */
/* #define RT_CONFIG_UFFS_ECC_MODE UFFS_ECC_NONE */
/* enable this ,you need provide a mark_badblock/check_block funciton */
/* #define RT_UFFS_USE_CHECK_MARK_FUNCITON */
#if RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_SOFT /* let uffs do soft ecc */
#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_UFFS /* UFFS_LAYOUT_FLASH */
#elif RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_HW_AUTO /* nand driver make ecc and do ecc correct */
#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_FLASH
#elif RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_NONE
#define RT_CONFIG_UFFS_LAYOUT UFFS_LAYOUT_UFFS /* UFFS_LAYOUT_FLASH */
#else
#error "uffs under rt-thread do not support this ECC mode"
#endif /* RT_CONFIG_UFFS_ECC_MODE */
#if (!CONFIG_USE_STATIC_MEMORY_ALLOCATOR) && (CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR)
#define RT_UFFS_MEMORY_ALLOCATOR 1 /* use system memory allocator */
#elif (CONFIG_USE_STATIC_MEMORY_ALLOCATOR) && (!CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR)
#define RT_UFFS_MEMORY_ALLOCATOR 0 /* use static memory allocator */
#else
#error "UFFS: CONFIG_USE_STATIC_MEMORY_ALLOCATOR ,CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR are invalid!"
#endif
#if CONFIG_USE_STATIC_MEMORY_ALLOCATOR > 0
#error "dfs_uffs only support CONFIG_USE_SYSTEM_MEMORY_ALLOCATOR"
#endif
#if defined(CONFIG_UFFS_AUTO_LAYOUT_USE_MTD_SCHEME)
#error "dfs_uffs not support CONFIG_UFFS_AUTO_LAYOUT_USE_MTD_SCHEME"
#endif
#if (RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_HW_AUTO) && (RT_CONFIG_UFFS_LAYOUT != UFFS_LAYOUT_FLASH)
#error "when use UFFS_ECC_HW_AUTO, you must use UFFS_LAYOUT_FLASH"
#elif (RT_CONFIG_UFFS_ECC_MODE == UFFS_ECC_SOFT) && (RT_CONFIG_UFFS_LAYOUT != UFFS_LAYOUT_UFFS)
#warning "when use UFFS_ECC_SOFT, it is recommended to use UFFS_LAYOUT_UFFS"
#endif
extern const uffs_FlashOps nand_ops;
extern void uffs_setup_storage(
struct uffs_StorageAttrSt *attr,
struct rt_mtd_nand_device * nand);
extern int dfs_uffs_init(void);
#endif /* DFS_UFFS_H_ */
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