rt-thread-official/bsp/swm320-lq100/Libraries/SWM320_StdPeriph_Driver/SWM320_sdio.h

#ifndef __SWM320_SDIO_H__
#define __SWM320_SDIO_H__

#define SD_CMD_GO_IDLE_STATE ((uint8_t)0)
#define SD_CMD_SEND_OP_COND ((uint8_t)1)
#define SD_CMD_ALL_SEND_CID ((uint8_t)2)
#define SD_CMD_SET_REL_ADDR ((uint8_t)3)
#define SD_CMD_SET_DSR ((uint8_t)4)
#define SD_CMD_HS_SWITCH ((uint8_t)6)
#define SD_CMD_SEL_DESEL_CARD ((uint8_t)7)
#define SD_CMD_SEND_IF_COND ((uint8_t)8)
#define SD_CMD_SEND_CSD ((uint8_t)9)
#define SD_CMD_SEND_CID ((uint8_t)10)
#define SD_CMD_STOP_TRANSMISSION ((uint8_t)12)
#define SD_CMD_SEND_STATUS ((uint8_t)13)
#define SD_CMD_SET_BLOCKLEN ((uint8_t)16)
#define SD_CMD_READ_SINGLE_BLOCK ((uint8_t)17)
#define SD_CMD_READ_MULT_BLOCK ((uint8_t)18)
#define SD_CMD_WRITE_SINGLE_BLOCK ((uint8_t)24)
#define SD_CMD_WRITE_MULT_BLOCK ((uint8_t)25)
#define SD_CMD_PROG_CID ((uint8_t)26)
#define SD_CMD_PROG_CSD ((uint8_t)27)
#define SD_CMD_APP_CMD ((uint8_t)55)

/*Following commands are SD Card Specific commands.
  SDIO_APP_CMD should be sent before sending these commands. */
#define SD_CMD_APP_SD_SET_BUSWIDTH ((uint8_t)6)
#define SD_CMD_SD_APP_STAUS ((uint8_t)13)
#define SD_CMD_SD_APP_SEND_NUM_WRITE_BLOCKS ((uint8_t)22)
#define SD_CMD_SD_APP_OP_COND ((uint8_t)41)
#define SD_CMD_SD_APP_SET_CLR_CARD_DETECT ((uint8_t)42)
#define SD_CMD_SD_APP_SEND_SCR ((uint8_t)51)
#define SD_CMD_SDIO_RW_DIRECT ((uint8_t)52)
#define SD_CMD_SDIO_RW_EXTENDED ((uint8_t)53)

#define SD_RESP_NO 0       //0 无响应
#define SD_RESP_32b 2      //2 32位响应
#define SD_RESP_128b 1     //1 128位响应
#define SD_RESP_32b_busy 3 //3 32位响应，check Busy after response

#define SD_BUSWIDTH_1b 0
#define SD_BUSWIDTH_4b 2

#define SD_RES_OK 0
#define SD_RES_ERR 1
#define SD_RES_TIMEOUT 2

typedef struct
{
    __IO uint8_t CSDStruct;           // CSD structure
    __IO uint8_t SysSpecVersion;      // System specification version
    __IO uint8_t Reserved1;           // Reserved
    __IO uint8_t TAAC;                // Data read access-time 1
    __IO uint8_t NSAC;                // Data read access-time 2 in CLK cycles
    __IO uint8_t MaxBusClkFrec;       // Max. bus clock frequency
    __IO uint16_t CardComdClasses;    //< Card command classes
    __IO uint8_t RdBlockLen;          // Max. read data block length
    __IO uint8_t PartBlockRead;       // Partial blocks for read allowed
    __IO uint8_t WrBlockMisalign;     // Write block misalignment
    __IO uint8_t RdBlockMisalign;     // Read block misalignment
    __IO uint8_t DSRImpl;             // DSR implemented
    __IO uint8_t Reserved2;           // Reserved
    __IO uint32_t DeviceSize;         // Device Size
    __IO uint8_t MaxRdCurrentVDDMin;  // Max. read current @ VDD min
    __IO uint8_t MaxRdCurrentVDDMax;  // Max. read current @ VDD max
    __IO uint8_t MaxWrCurrentVDDMin;  // Max. write current @ VDD min
    __IO uint8_t MaxWrCurrentVDDMax;  // Max. write current @ VDD max
    __IO uint8_t DeviceSizeMul;       // Device size multiplier
    __IO uint8_t EraseGrSize;         // Erase group size
    __IO uint8_t EraseGrMul;          // Erase group size multiplier
    __IO uint8_t WrProtectGrSize;     // Write protect group size
    __IO uint8_t WrProtectGrEnable;   // Write protect group enable
    __IO uint8_t ManDeflECC;          // Manufacturer default ECC
    __IO uint8_t WrSpeedFact;         // Write speed factor
    __IO uint8_t MaxWrBlockLen;       // Max. write data block length
    __IO uint8_t WriteBlockPaPartial; // Partial blocks for write allowed
    __IO uint8_t Reserved3;           // Reserded
    __IO uint8_t ContentProtectAppli; // Content protection application
    __IO uint8_t FileFormatGrouop;    // File format group
    __IO uint8_t CopyFlag;            // Copy flag (OTP)
    __IO uint8_t PermWrProtect;       // Permanent write protection
    __IO uint8_t TempWrProtect;       // Temporary write protection
    __IO uint8_t FileFormat;          // File Format
    __IO uint8_t ECC;                 // ECC code
} SD_CSD;

typedef struct
{
    __IO uint8_t ManufacturerID; // ManufacturerID
    __IO uint16_t OEM_AppliID;   // OEM/Application ID
    __IO uint32_t ProdName1;     // Product Name part1
    __IO uint8_t ProdName2;      // Product Name part2
    __IO uint8_t ProdRev;        // Product Revision
    __IO uint32_t ProdSN;        // Product Serial Number
    __IO uint8_t Reserved1;      // Reserved1
    __IO uint16_t ManufactDate;  // Manufacturing Date
} SD_CID;

#define SDIO_STD_CAPACITY_SD_CARD_V1_1 ((uint32_t)0x00000000)
#define SDIO_STD_CAPACITY_SD_CARD_V2_0 ((uint32_t)0x00000001)
#define SDIO_HIGH_CAPACITY_SD_CARD ((uint32_t)0x00000002)
#define SDIO_MULTIMEDIA_CARD ((uint32_t)0x00000003)
#define SDIO_SECURE_DIGITAL_IO_CARD ((uint32_t)0x00000004)
#define SDIO_HIGH_SPEED_MULTIMEDIA_CARD ((uint32_t)0x00000005)
#define SDIO_SECURE_DIGITAL_IO_COMBO_CARD ((uint32_t)0x00000006)
#define SDIO_HIGH_CAPACITY_MMC_CARD ((uint32_t)0x00000007)

typedef struct
{
    SD_CSD SD_csd;
    SD_CID SD_cid;
    uint64_t CardCapacity;  // Card Capacity
    uint32_t CardBlockSize; // Card Block Size
    uint16_t RCA;
    uint8_t CardType;
} SD_CardInfo;

extern SD_CardInfo SD_cardInfo;

uint32_t SDIO_Init(uint32_t freq);
uint32_t SDIO_BlockWrite(uint32_t block_addr, uint32_t buff[]);
uint32_t SDIO_BlockRead(uint32_t block_addr, uint32_t buff[]);

uint32_t SDIO_MultiBlockWrite(uint32_t block_addr, uint16_t block_cnt, uint32_t buff[]);
uint32_t SDIO_MultiBlockRead(uint32_t block_addr, uint16_t block_cnt, uint32_t buff[]);

uint32_t SDIO_DMABlockWrite(uint32_t block_addr, uint16_t block_cnt, uint32_t buff[]);
uint32_t SDIO_DMABlockRead(uint32_t block_addr, uint16_t block_cnt, uint32_t buff[]);

uint32_t _SDIO_SendCmd(uint32_t cmd, uint32_t arg, uint32_t resp_type, uint32_t *resp_data, uint32_t have_data, uint32_t data_read, uint16_t block_cnt, uint32_t use_dma);

#define SDIO_SendCmd(cmd, arg, resp_type, resp_data) _SDIO_SendCmd(cmd, arg, resp_type, resp_data, 0, 0, 0, 0)
#define SDIO_SendCmdWithData(cmd, arg, resp_type, resp_data, data_read, block_cnt) _SDIO_SendCmd(cmd, arg, resp_type, resp_data, 1, data_read, block_cnt, 0)
#define SDIO_SendCmdWithDataByDMA(cmd, arg, resp_type, resp_data, data_read, block_cnt) _SDIO_SendCmd(cmd, arg, resp_type, resp_data, 1, data_read, block_cnt, 1)

void parseCID(uint32_t CID_Tab[4]);
void parseCSD(uint32_t CID_Tab[4]);

uint32_t calcSDCLKDiv(uint32_t freq_sel);

#endif //__SWM320_SDIO_H__