drivers/sdmmc/protocol.h

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#ifndef MMC_PROTOCOL_H_INCLUDED
#define MMC_PROTOCOL_H_INCLUDED

/* Max clock rate during identification */
#define SDMMC_F_OD      200000

/*      Name                         CMDx */
/* Class 0 - Basic */
#define SDMMC_GO_IDLE_STATE             0
#define MMC_SEND_OP_COND                1
#define SDMMC_ALL_SEND_CID              2
#define SDMMC_SET_RELATIVE_ADDR         3
#define SDMMC_SET_DSR                   4
/* CMD5 is reserved for SDIO */
#define SDMMC_SWITCH_FUNC               6
#define SDMMC_SELECT_DESELECT_CARD      7
#define SD_SEND_IF_COND                 8
#define MMC_SEND_EXT_CSD                8
#define SDMMC_SEND_CSD                  9
#define SDMMC_SEND_CID                  10
#define SDMMC_STOP_TRANSMISSION         12
#define SDMMC_SEND_STATUS               13
#define MMC_BUSTEST_R                   14
#define SDMMC_GO_INACTIVE_STATE         15

/* Class 1 - Stream read */
#define MMC_READ_DAT_UNTIL_STOP         11

/* Class 2 - Block read */
#define SDMMC_SET_BLOCKLEN              16
#define SDMMC_READ_SINGLE_BLOCK         17
#define SDMMC_READ_MULTIPLE_BLOCK       18

/* Class 3 - Stream write */
#define MMC_WRITE_DATA_UNTIL_STOP       20

/* Class 4 - Block write */
/* CMD16 SDMMC_SET_BLOCKLEN is also a part of this class */
#define MMC_SET_BLOCK_COUNT             23
#define SDMMC_WRITE_BLOCK               24
#define SDMMC_WRITE_MULTIPLE_BLOCK      25
#define MMC_PROGRAM_CID                 26
#define SDMMC_PROGRAM_CSD               27

/* Class 5 - Erase */

/* Class 6 - Write protection */
#define SDMMC_SET_WRITE_PROT            28
#define SDMMC_CLR_WRITE_PROT            29
#define SDMMC_SEND_WRITE_PROT           30

/* Class 7 - Lock Card */

/* Class 8 - Application specific */
#define SDMMC_APP_CMD                   55
#define SDMMC_GEN_CMD                   56

/* Class 9 - I/O mode */

/* Class 10 - Switch */

/* Application specific commands */
/*      Name                        ACMDx */
#define SD_SET_BUS_WIDTH                6
#define SD_SEND_OP_COND                 41
#define SD_SEND_SCR                     51

/* argument definitions */
#define SD_ARG_SET_BUS_WIDTH_4BIT       2


#define SDMMC_OUT_OF_RANGE              (1 << 31)
#define SDMMC_ADDRESS_ERROR             (1 << 30)
#define SDMMC_BLOCK_LEN_ERROR           (1 << 29)
#define SDMMC_ERASE_SEQ_ERROR           (1 << 28)
#define SDMMC_ERASE_PARAM               (1 << 27)
#define SDMMC_WP_VIOLATION              (1 << 26)
#define SDMMC_CARD_IS_LOCKED            (1 << 25)
#define SDMMC_LOCK_UNLOCK_FAILED        (1 << 24)
#define SDMMC_COM_CRC_ERROR             (1 << 23)
#define SDMMC_ILLEGAL_COMMAND           (1 << 22)
#define SDMMC_CARD_ECC_FAILED           (1 << 21)
#define SDMMC_CC_ERROR                  (1 << 20)
#define SDMMC_ERROR                     (1 << 19)
#define MMC_UNDERRUN                    (1 << 18)
#define MMC_OVERRUN                     (1 << 17)
#define SDMMC_CSD_OVERWRITE             (1 << 16)
#define SDMMC_WP_ERASE_SKIP             (1 << 15)
#define SD_CARD_ECC_DISABLED            (1 << 14)
#define SDMMC_ERASE_RESET               (1 << 13)
#define SDMMC_CURRENT_STATE_MASK        (15 << 9)
#define SDMMC_CURRENT_STATE_IDLE        (0 << 9)
#define SDMMC_CURRENT_STATE_READY       (1 << 9)
#define SDMMC_CURRENT_STATE_IDENT       (2 << 9)
#define SDMMC_CURRENT_STATE_STBY        (3 << 9)
#define SDMMC_CURRENT_STATE_TRAN        (4 << 9)
#define SDMMC_CURRENT_STATE_DATA        (5 << 9)
#define SDMMC_CURRENT_STATE_RCV         (6 << 9)
#define SDMMC_CURRENT_STATE_PRG         (7 << 9)
#define SDMMC_CURRENT_STATE_DIS         (8 << 9)
#define MMC_CURRENT_STATE_BTST          (9 << 9)
#define SDMMC_READY_FOR_DATA            (1 << 8)
#define MMC_SWITCH_ERROR                (1 << 7)
#define SDMMC_CARD_STATUS_APP_CMD       (1 << 5)
#define SD_AKA_SEQ_ERROR                (1 << 3)

#define SDMMC_RCA_MASK                  (0xffff << 16)

#define SDMMC_SWITCH_FUNC_MODE_CHECK    (0 << 31)       
#define SDMMC_SWITCH_FUNC_MODE_SWITCH   (1 << 31)       
#define SDMMC_SWITCH_FUNC_HIGH_SPEED    (1 << 0)        
#define SDMMC_SWITCH_FUNC_G1_KEEP       (0xf << 0)      
#define SDMMC_SWITCH_FUNC_G2_KEEP       (0xf << 4)      
#define SDMMC_SWITCH_FUNC_G3_KEEP       (0xf << 8)      
#define SDMMC_SWITCH_FUNC_G4_KEEP       (0xf << 12)     
#define SDMMC_SWITCH_FUNC_G5_KEEP       (0xf << 16)     
#define SDMMC_SWITCH_FUNC_G6_KEEP       (0xf << 20)     
#define SD_IF_COND_V_27_33              (1 << 8)        
#define SD_IF_COND_CHECK_PATTERN        0xaa            
#define SDMMC_OCR_POWER_UP_DONE         (1 << 31)       
#define SDMMC_OCR_CCS                   (1 << 30)       
#define SDMMC_OCR_V_32_33               (1 << 20)       
#define SDMMC_OCR_V_33_34               (1 << 21)       
#define SDMMC_OCR_LOW_VOLTAGE           (1 << 7)        
#define SD_SCR0_VERSION_MASK            (0xf << (60 - 32))      
#define SD_SCR0_VERSION_101_200         (0 << (60 - 32))        
#define SD_SCR0_SPEC_VERSION_MASK       (0xf << (56 - 32))      
#define SD_SCR0_SPEC_VERSION_10_101     (0 << (56 - 32))        
#define SD_SCR0_SPEC_VERSION_110        (1 << (56 - 32))        
#define SD_SCR0_SPEC_VERSION_200        (2 << (56 - 32))        
#define SD_SCR0_BUS_WIDTH_1BIT_MASK     (1 << (48 - 32))        
#define SD_SCR0_BUS_WIDTH_4BIT_MASK     (1 << (48 - 32))        
#endif /* MMC_PROTOCOL_H_INCLUDED */

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