filesystem.h

三星ic 9980的源代码. 718版.

/******************************************************************************
 *   Filename    : FileSystem.h                                                       *
 *   Start date  : 2005/01/13                                                 *
 *   By          : Lu Min                                                 *
 *   Contact     : [e-mail]                                     *
 *   Description :                                                            *
 *                                                                            *
 ******************************************************************************/
#ifndef _FILE_SYSTEM_
#define _FILE_SYSTEM_

#include "..\..\custom\include\fp_data.h"
#include "Basic_typedefs.h"
#include "s5h_types.h"
#include "Sys_call_abstract.h"
#include "All_Event.h"
#include "s5l_memmap.h"
#include "util.h"
//#include "psd_api.h"
#include "psd.h"

#include "iodma_api.h"
#include "avl_types.h"
#include "avloader_api.h"
#include "servo_ram_extern.h"
#include "string.h"
#include "be_api.h"
#define _FS_SUPPORT_PATH_TABLE_ 	1
#define _FS_SUPPORT_L_PATH_ 0
#define _SUPPORT_ULONG_POINTER_COPY_ 1
#define _USE_MALLOC_	1
#define ADDRESS_OFFSET 	0 // ADDRESS_OFFSET = 0x8019000 - (new Audio_buffer address)
#define DUMP_SECTORS		50

#define FS_READ_FILE_NUMBER 	7
#define FS_MAX_FILE_NAME_LENGTH 	64
#define FS_MAX_DIR_NAME_LENGTH 	8
#define FS_MAX_SESSION_SUPPORT 	10
#define FS_SEPARATOR_1		0x2E
#define FS_SEPARATOR_2		0x3B
#define ISO_STANDARD_ID 	"CD001"
#define ISO_CD_UDF		"UDFREADER"
#define ISO_VD_PRIMARY 		1
#define ISO_MAX_RETRY_CNT 5
#if _FS_SUPPORT_PATH_TABLE_
#define FS_PATH_LEN			8
#endif

typedef enum{
	FS_NO_ERROR = 0,
	FS_READ_ERROR,
	FS_INVALID_PATHNAME,
	FS_FORMAT_UNDEFINED,
	FS_NO_DEVICE_MOUNT,
	FS_NO_PATH_TABLE,
	FS_DIRECTORY_END
} FS_Error_t;

typedef enum{
	FS_FILE =0,
	FS_DIRECTORY
}FS_Flag;

#if 0
typedef enum{
	FS_MODE1 = 1,
	FS_MODE2
}FS_MODE;
#endif

typedef struct{
	UCHAR	LEN_DR;
	UCHAR	ExtAR_Length;
	ULONG	Location_Ext[2];
	ULONG	Data_Length[2];
	UCHAR	Date_Time[7];
	UCHAR	File_flag;
	UCHAR	File_unit_sz;
	UCHAR	Interleave_gap_sz;
	ULONG	Vol_seq_number;
}FS_DIRECTORY_RECORD;

typedef struct{
	UCHAR	session_no;
	UCHAR	path_no;
	UCHAR	item_counter;
	ULONG	Offset_LBA_in_session;
	USHORT	first_offset_byte_in_LBA;
	USHORT	last_offset_byte_in_LBA;
	ULONG 	offset_in_cur_dir;
	ULONG	Cur_session_start_LBA;
	ULONG	parent_dir_LBA;
	ULONG	dir_length;
	ULONG  	par_dir_length;
	USHORT	item_offset[64];
	USHORT 	sector_file_no[100];
#if _FS_MP3_READ_ONE_TIME_
	ULONG	root_lba;
#endif
}FS_CURRENT_INFO;

#if _FS_SUPPORT_PATH_TABLE_
typedef struct{
	UCHAR	path_no;
	UCHAR 	M_L_path;//0=M,1=L;
	ULONG	Offset_LBA_in_session;
	USHORT	first_offset_byte_in_LBA;
	USHORT	last_offset_byte_in_LBA;
	ULONG 	offset_in_cur_dir;
	ULONG	parent_dir_no;
	ULONG	dir_length;
	ULONG 	path_table_location;
	USHORT	item_offset[256];
	USHORT 	sector_dir_no[25];
	UCHAR	split_offset[25];	
}FS_CURRENT_PATH_INFO;

typedef struct{
	UCHAR	LEN_DI;
	UCHAR 	ext_attr_rec_len;
	ULONG	location;
	USHORT	Parent_dir_no;
}FS_PATH_TABLE_RECORD;
 #endif

#if 0
extern FS_MODE	gModeFlag;
#endif
extern UCHAR S5H_Lba2Msf(ULONG Lba, S5H_MSF_t *new_msf);
extern S5H_ErrType_t S5H_DumpCd( S5H_MSF_t start,S5H_MSF_t end, void *buffer_1, BOOL edc_chk );
extern unsigned long VcdBcdToHex(UCHAR a);
#if 0
extern UCHAR* WordAlighMalloc(ULONG size);
#endif
//void	S5H_Stop( void);


FS_Error_t FS_Dump(ULONG start,UCHAR * buffer);
SINT StrnCmp(CHAR *dst,CHAR *src,UINT length) ;
FS_Error_t FS_MountSession( UCHAR	session_no) ;
void FS_init(void);
FS_Error_t FS_Mount(UCHAR session_no) ;
FS_Error_t	FS_GetNextElement(UCHAR* name, FS_Flag *flag, ULONG* start, ULONG* length, USHORT *file_no);
FS_Error_t	FS_GetPreviousElement(UCHAR* name, FS_Flag *flag, ULONG *start, ULONG *length , USHORT *file_no);
#if 0
FS_Error_t FS_EnterRootDir(void);
FS_Error_t	FS_EnterChildDir(UCHAR no);
FS_Error_t	FS_ReturnParentDir(void);
#endif
#if _FS_SUPPORT_PATH_TABLE_
FS_Error_t	FS_ReadPathTable(void);
#if _FS_MP3_READ_ONE_TIME_
FS_Error_t 	FS_EnterDir(ULONG LBA);
FS_Error_t 	FS_GetNextDir(UCHAR* name,USHORT *dir_no, ULONG *LBA);
#else
FS_Error_t 	FS_EnterDir(USHORT *dir_no);
FS_Error_t 	FS_GetNextDir(UCHAR* name,USHORT *dir_no);
#endif
FS_Error_t 	FS_GetPreviousDir(UCHAR* name,USHORT *dir_no);
#endif

#if _FS_MP3_READ_ONE_TIME_
FS_Error_t	FS_ReadFileTable(void);
#endif

#if 0
void FS_GotoNextPage(void);
void FS_GotoPreviousPage(void);
#endif
#if 0
BOOL FS_IsFormOne(void);
#endif
ULONG FS_7_3_1(ULONG t);
FS_Error_t FS_Unmount( void ) ;
void FS_SyncInfo(void);
#endif