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Annotation of funnyos/dev/sdmmc/sdmmcvar.h, Revision 1.2

1.1       nbrk        1: /*
1.2     ! nbrk        2:  * $Id: sdmmcvar.h,v 1.1 2007/12/18 14:01:21 nbrk Exp $
1.1       nbrk        3:  */
                      4: #ifndef _DEV_SDMMC_SDMMCVAR_H
                      5: #define _DEV_SDMMC_SDMMCVAR_H
                      6:
                      7: /*
                      8:  * SD/MMC simplified commands set.
                      9:  */
                     10: #define CMD0_GO_IDLE_STATE                     0
                     11: #define CMD1_SEND_OP_COND                      1
                     12: #define CMD8_SEND_IF_COND                      8
                     13: #define CMD9_SEND_CSD                          9
                     14: #define CMD10_SEND_CID                                 10
                     15: #define CMD12_STOP_TRANSMISSION        12
                     16: #define CMD16_SET_BLOCKLEN                     16
                     17: #define CMD17_READ_SINGLE_BLOCK        17
                     18: #define CMD18_READ_MULTIPLE_BLOCK      18
                     19: #define CMD23_SET_BLOCK_COUNT          23
                     20: #define CMD24_WRITE_BLOCK                      24
                     21: #define CMD25_WRITE_MULTIPLE_BLOCK     25
                     22: #define CMD41_APP_SEND_OP_COND                 41
                     23: #define CMD55_APP_CMD                          55
                     24: #define CMD58_READ_OCR                                 58
                     25:
1.2     ! nbrk       26: /* will use this when switch card from native mode to spi */
        !            27: #define CMD0_HARDCODED_CRC                     0x95
        !            28:
1.1       nbrk       29: /*
                     30:  * Command frame.
                     31:  */
                     32: struct sdmmc_cmdframe {
                     33:        uint8_t         sc_cmd;
                     34:        uint32_t        sc_arg;
                     35:        uint8_t         sc_crc;
                     36:
                     37: } __attribute__((packed));
                     38:
                     39: /*
                     40:  * Macross to construct frame header and footer.
                     41:  */
                     42: #define CMDFRAME_CMD(c) ((c & 0x3f) | 0x40)
                     43: #define CMDFRAME_CRC(c) (c << 1 | 0x01)
                     44:
                     45: /*
                     46:  * Responses bitfields.
                     47:  */
1.2     ! nbrk       48: #define R1_IN_IDLE_STATE                       0x01
        !            49: #define R1_ERASE_RESET                                 0x02
        !            50: #define R1_ILLEGAL_COMMAND                     0x04
        !            51: #define R1_COMMAND_CRC_ERROR           0x08
        !            52: #define R1_ERASE_SEQUENSE_ERROR        0x10
        !            53: #define R1_ADDRESS_ERROR                       0x20
        !            54: #define R1_PARAMETER_ERROR                     0x40
        !            55: #define R2_CARD_LOCKED                                 0x01
        !            56: #define R2_LOCKUNLOCK_FAILED           0x02
        !            57: #define R2_UNSPECIFIED_ERROR           0x04
        !            58: #define R2_CARD_CONTROLLER_ERROR       0x08
        !            59: #define R2_CARD_ECC_FAILED                     0x10
        !            60: #define R2_WRITE_PROTECT_VIOLATION     0x20
        !            61: #define R2_ERASE_PARAMETER                     0x40
        !            62: #define R2_OUT_OF_RANGE                        0x80
        !            63:
1.1       nbrk       64:
                     65: /*
1.2     ! nbrk       66:  * R1 response.
1.1       nbrk       67:  */
                     68: struct sdmmc_r1resp {
                     69:        uint8_t         sr_eflags;
                     70:
                     71: };
                     72:
1.2     ! nbrk       73:
        !            74: /*
        !            75:  * R2 response.
        !            76:  */
        !            77: struct sdmmc_r2resp {
        !            78:        uint8_t         sr_eflags1;
        !            79:        uint8_t         sr_eflags2;
        !            80:
        !            81: } __attribute__((packed));
        !            82:
        !            83:
1.1       nbrk       84: /*
1.2     ! nbrk       85:  * R3 response.
1.1       nbrk       86:  */
                     87: struct sdmmc_r3resp {
                     88:        uint8_t         sr_eflags;
                     89:        uint32_t        sr_ocr;
                     90:
                     91: } __attribute__((packed));
1.2     ! nbrk       92:
        !            93:
        !            94: /*
        !            95:  * Read Error Token bits.
        !            96:  */
        !            97: #define RE_UNSPECIFIED_ERROR           0x01
        !            98: #define RE_CARD_CONTROLLER_ERROR       0x02
        !            99: #define RE_CARD_ECC_FAILED                     0x04
        !           100: #define RE_OUT_OF_RANGE                        0x08
        !           101: #define RE_CARD_LOCKED                                 0x10
        !           102:
        !           103: /*
        !           104:  * SD/MMC bus handle.
        !           105:  */
        !           106: struct sdmmc_bus_handle {
        !           107:        void    (*sb_send_command)(void *dd, uint8_t cmd, uint32_t arg);
        !           108:        uint8_t (*sb_get_response)(void *dd);
        !           109:        uint8_t (*sb_get_spec_response)(void *dd, uint8_t response);
        !           110:        uint8_t (*sb_read_register)(void *dd, uint8_t reg);
        !           111:        uint8_t (*sb_read_block)(void *dd, uint32_t addr, uint32_t count);
        !           112:        uint8_t (*sb_write_block)(void *dd, uint32_t addr, void *data);
        !           113:        uint8_t (*sb_check_busy)(void *dd);
        !           114:
        !           115:        void    *sb_dd;
        !           116: };
        !           117:
        !           118: /*
        !           119:  * Functions.
        !           120:  */
        !           121: struct sdmmc_cmdframe sdmmc_command(uint8_t cmd, uint32_t arg, uint8_t crc);
1.1       nbrk      122:
                    123:
                    124: #endif /* !_DEV_SDMMC_SDMMCVAR_H */
                    125: