mini/sdhc.h
2008-12-28 14:35:37 +01:00

41 lines
905 B
C

#ifndef __SDHC_H__
#define __SDHC_H__
#include "types.h"
#define SDHC_ENOCARD -0x1001
#define SDHC_ESTRANGE -0x1002
#define SDHC_EOVERFLOW -0x1003
#define SDHC_ETIMEDOUT -0x1004
#define SDHC_EINVAL -0x1005
#define SDHC_EIO -0x1006
typedef struct
{
u32 reg_base;
u8 is_sdhc;
u8 is_selected;
u8 is_mounted;
u16 rca;
u32 ocr;
u32 cid;
} sdhci_t;
int sd_init(sdhci_t *sdhci, int slot);
int sd_reset(sdhci_t *sdhci);
int sd_inserted(sdhci_t *sdhci);
int sd_protected(sdhci_t *sdhci);
int sd_mount(sdhci_t *sdhci);
int sd_cmd(sdhci_t *sdhci, u32 cmd, u32 rsp_type, u32 arg, u32 blk_cnt, void *buffer, u32 *response, u8 rlen);
int sd_select(sdhci_t *sdhci);
int sd_read(sdhci_t *sdhci, u32 start_block, u32 blk_cnt, void *buffer);
int sd_write(sdhci_t *sdhci, u32 start_block, u32 blk_cnt, const void *buffer);
u8 __sd_read8(u32 addr);
u16 __sd_read16(u32 addr);
u32 __sd_read32(u32 addr);
#endif