diskio.h

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/*
 * SPDX-FileCopyrightText: 2010 ChaN
 * SPDX-FileCopyrightText: 2016 INRIA
 * SPDX-License-Identifier: LGPL-2.1-only
 */
 
#pragma once

 
#include <stdint.h>
 
#ifdef __cplusplus
extern "C" {
#endif
 
/* These functions are defined in asmfunc.S */

void copy_al2un(unsigned char *dst, const unsigned long *src, int count);

void copy_un2al(unsigned long *dst, const unsigned char *src, int count);

typedef enum {
    DISKIO_RES_OK = 0,     
    DISKIO_RES_ERROR,      
    DISKIO_RES_WRPRT,      
    DISKIO_RES_NOTRDY,     
    DISKIO_RES_PARERR      
} diskio_result_t;

typedef enum {
    DISKIO_STA_NOINIT  = 0x01, 
    DISKIO_STA_NODISK  = 0x02, 
    DISKIO_STA_PROTECT = 0x04  
} diskio_sta_t;


#define CTRL_SYNC           0   
#define GET_SECTOR_COUNT    1   
#define GET_SECTOR_SIZE     2   
#define GET_BLOCK_SIZE      3   
#define CTRL_ERASE_SECTOR   4   

#define CTRL_POWER          5   
#define CTRL_LOCK           6   
#define CTRL_EJECT          7   

#define MMC_GET_TYPE        10  
#define MMC_GET_CSD         11  
#define MMC_GET_CID         12  
#define MMC_GET_OCR         13  
#define MMC_GET_SDSTAT      14  


diskio_sta_t mci_initialize(void);

diskio_sta_t mci_status(void);

diskio_result_t mci_read(unsigned char *buff, unsigned long sector, unsigned char count);

diskio_result_t mci_write(const unsigned char *buff, unsigned long sector, unsigned char count);

diskio_result_t mci_ioctl(unsigned char ctrl, void *buff);
 
#ifdef __cplusplus
}
#endif