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/*-----------------------------------------------------------------------
/  Low level disk interface modlue include file
/-----------------------------------------------------------------------*/

#ifndef _DISKIO

#define _READONLY       0       /* 1: Remove write functions */
#define _USE_IOCTL      1       /* 1: Use disk_ioctl fucntion */

#include "integer.h"



/* Status of Disk Functions */
typedef BYTE    DSTATUS;

/* Results of Disk Functions */
typedef enum {
        RES_OK = 0,             /* 0: Successful */
        RES_ERROR,              /* 1: R/W Error */
        RES_WRPRT,              /* 2: Write Protected */
        RES_NOTRDY,             /* 3: Not Ready */
        RES_PARERR              /* 4: Invalid Parameter */
} DRESULT;

//Parameters for disk_read and disk_write
typedef struct {
        DRESULT (*init)(BYTE,BYTE*);
        unsigned char (*status)(BYTE);
        DRESULT (*read_to_uspace)(void);
        DRESULT (*read_to_buf)(void);
        DRESULT (*write_from_uspace)(void);
        DRESULT (*write_from_buf)(void);
        void (*RTC)(DWORD*);
        void (*strcpy_lib2usp)(void *, const void *);
        void (*strcpy_usp2lib)(void *, const void *);
        void (*memcpy_lib2usp)(void *, const void *, unsigned int);
        void (*memcpy_usp2lib)(void *, const void *, unsigned int);
        void (*memcpy_buf2usp)(void *, const void *, unsigned int);
        void (*memcpy_usp2buf)(void *, const void *, unsigned int);
        BYTE  drv;
        const   BYTE*   buf;
        DWORD*                  sec;
        BYTE                    num;
        FATFS *                 curr_fatfs;
        DWORD                   curr_dir;
} DIO_PAR;
extern DIO_PAR drv_calls;
#define SET_DIO_PAR(dr_drv,dr_buf,dr_sec,dr_num) {\
  drv_calls.drv=dr_drv; \
  drv_calls.buf=dr_buf; \
  drv_calls.sec=&dr_sec; \
  drv_calls.num=dr_num;}


/*---------------------------------------*/
/* Prototypes for disk control functions */

int assign_drives (int, int);

#define disk_initialize drv_calls.init
//DSTATUS disk_initialize (BYTE,BYTE*);

//#define disk_read drv_calls.read
//DRESULT disk_read (void);

#if     _READONLY == 0
//#define disk_write drv_calls.write
//DRESULT disk_write (void);
#endif
#define disk_ioctl(_ab,_ac,_ad) ((DRESULT)0)
//extern BYTE ds_m[3];
/* Disk Status Bits (DSTATUS) */

#define STA_NOINIT              0x01    /* Drive not initialized */
#define STA_NODISK              0x02    /* No medium in the drive */
#define STA_PROTECT             0x04    /* Write protected */
#define disk_status drv_calls.status

/* Command code for disk_ioctrl fucntion */

/* Generic command (defined for FatFs) */
#define CTRL_SYNC                       0       /* Flush disk cache (for write functions) */
#define GET_SECTOR_COUNT        1       /* Get media size (for only f_mkfs()) */
#define GET_SECTOR_SIZE         2       /* Get sector size (for multiple sector size (_MAX_SS >= 1024)) */
#define GET_BLOCK_SIZE          3       /* Get erase block size (for only f_mkfs()) */
#define CTRL_ERASE_SECTOR       4       /* Force erased a block of sectors (for only _USE_ERASE) */

/* Generic command */
#define CTRL_POWER                      5       /* Get/Set power status */
#define CTRL_LOCK                       6       /* Lock/Unlock media removal */
#define CTRL_EJECT                      7       /* Eject media */

/* MMC/SDC specific ioctl command */
#define MMC_GET_TYPE            10      /* Get card type */
#define MMC_GET_CSD                     11      /* Get CSD */
#define MMC_GET_CID                     12      /* Get CID */
#define MMC_GET_OCR                     13      /* Get OCR */
#define MMC_GET_SDSTAT          14      /* Get SD status */

/* ATA/CF specific ioctl command */
#define ATA_GET_REV                     20      /* Get F/W revision */
#define ATA_GET_MODEL           21      /* Get model name */
#define ATA_GET_SN                      22      /* Get serial number */

/* NAND specific ioctl command */
#define NAND_FORMAT                     30      /* Create physical format */


#define _DISKIO
#endif