gc/sdcard/card_io.h

   1 #ifndef __CARD_IO_H__
   2 #define __CARD_IO_H__
   3
   4 #include <gctypes.h>
   5
   6 #define MAX_MI_NUM                                                      1
   7 #define MAX_DI_NUM                                                      5
   8
   9 #define PAGE_SIZE256                                            256
  10 #define PAGE_SIZE512                                            512
  11
  12 /* CID Register */
  13 #define MANUFACTURER_ID(drv_no)                         ((u8)(g_CID[drv_no][0]))
  14
  15 /* CSD Register */
  16 #define READ_BL_LEN(drv_no)                                     ((u8)(g_CSD[drv_no][5]&0x0f))
  17 #define WRITE_BL_LEN(drv_no)                            ((u8)((g_CSD[drv_no][12]&0x03)<<2)|((g_CSD[drv_no][13]>>6)&0x03))
  18 #define C_SIZE(drv_no)                                          ((u16)(((g_CSD[drv_no][6]&0x03)<<10)|(g_CSD[drv_no][7]<<2)|((g_CSD[drv_no][8]>>6)&0x03)))
  19 #define C_SIZE_MULT(drv_no)                                     ((u8)((g_CSD[drv_no][9]&0x03)<<1)|((g_CSD[drv_no][10]>>7)&0x01))
  20
  21 #ifdef __cplusplus
  22    extern "C" {
  23 #endif /* __cplusplus */
  24
  25 extern u8 g_CSD[MAX_DRIVE][16];
  26 extern u8 g_CID[MAX_DRIVE][16];
  27 extern u8 g_mCode[MAX_MI_NUM];
  28 extern u16 g_dCode[MAX_MI_NUM][MAX_DI_NUM];
  29
  30
  31 void sdgecko_initIODefault();
  32 s32 sdgecko_initIO(s32 drv_no);
  33 s32 sdgecko_preIO(s32 drv_no);
  34 s32 sdgecko_readCID(s32 drv_no);
  35 s32 sdgecko_readCSD(s32 drv_no);
  36 s32 sdgecko_readStatus(s32 drv_no);
  37 s32 sdgecko_readSectors(s32 drv_no,u32 sector_no,u32 num_sectors,void *buf);
  38 s32 sdgecko_writeSector(s32 drv_no,u32 sector_no,const void *buf,u32 len);
  39 s32 sdgecko_writeSectors(s32 drv_no,u32 sector_no,u32 num_sectors,const void *buf);
  40
  41 s32 sdgecko_doUnmount(s32 drv_no);
  42
  43 void sdgecko_insertedCB(s32 drv_no);
  44 void sdgecko_ejectedCB(s32 drv_no);
  45
  46
  47 #ifdef __cplusplus
  48    }
  49 #endif /* __cplusplus */
  50
  51 #endif