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Description
This unit implements the standards based part of the SD/MMC specification including the standard SDHCI interfaces.
For each platform a SDHCI module needs to be provided that implements the platform specific parts of the SDHCI interface.
This is similar in model to USB and other interfaces in Ultibo, where the generic interface unit requires a platform specific module to register with it in order to communicate with platform specific devices.
The SD/MMC interfaces are 2 tier (ie Host and Device) whereas the USB interface is 3 tier (Host, Device and Driver).
Constants
[Expand]
MMC specific constants MMC_*
MMC_NAME_PREFIX = 'MMC';
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Name prefix for MMC Devices
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MMC_STATUS_TIMER_INTERVAL = 1000;
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MMC_DEFAULT_BLOCKSIZE = 512;
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MMC_DEFAULT_BLOCKSHIFT = 9;
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[Expand]
MMC device type constants MMC_TYPE_*
MMC_TYPE_NONE = 0;
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MMC_TYPE_MMC = 1;
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MMC_TYPE_SD = 2;
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MMC_TYPE_SDIO = 3;
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MMC_TYPE_SD_COMBO = 4;
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MMC_TYPE_MAX = 4;
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[Expand]
MMC device state constants MMC_STATE_*
MMC_STATE_EJECTED = 0;
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MMC_STATE_INSERTED = 1;
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MMC_STATE_MAX = 1;
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[Expand]
MMC device flag constants MMC_FLAG_*
MMC_FLAG_NONE = $00000000;
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MMC_FLAG_CARD_PRESENT = $00000001;
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MMC_FLAG_WRITE_PROTECT = $00000002;
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MMC_FLAG_HIGH_CAPACITY = $00000004;
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High Capacity (SDHC)
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MMC_FLAG_EXT_CAPACITY = $00000008;
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Extended Capacity (SDXC)
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MMC_FLAG_UHS_I = $00000010;
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Ultra High Speed (UHS-I)
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MMC_FLAG_UHS_II = $00000020;
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Ultra High Speed (UHS-II)
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MMC_FLAG_BLOCK_ADDRESSED = $00000040;
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Block Addressed (SDHC/SDXC and others)
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MMC_FLAG_DDR_MODE = $00000080;
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[Expand]
MMC/SD status code constants MMC_STATUS_*
MMC_STATUS_SUCCESS = 0;
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Function successful
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MMC_STATUS_TIMEOUT = 1;
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The operation timed out
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MMC_STATUS_NO_MEDIA = 2;
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No media present in device
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MMC_STATUS_HARDWARE_ERROR = 3;
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Hardware error of some form occurred
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MMC_STATUS_INVALID_DATA = 4;
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Invalid data was received
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MMC_STATUS_INVALID_PARAMETER = 5;
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An invalid parameter was passed to the function
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MMC_STATUS_INVALID_SEQUENCE = 6;
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Invalid sequence encountered
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MMC_STATUS_OUT_OF_MEMORY = 7;
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No memory available for operation
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MMC_STATUS_UNSUPPORTED_REQUEST = 8;
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The request is unsupported
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MMC_STATUS_NOT_PROCESSED = 9;
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The MMC transfer has not yet been processed
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[Expand]
MMC/SD version constants SD_VERSION_*, MMC_VERSION_*
SD_VERSION_SD = $00020000;
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SD_VERSION_1_0 = (SD_VERSION_SD or $0100);
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SD_VERSION_1_10 = (SD_VERSION_SD or $010a);
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SD_VERSION_2 = (SD_VERSION_SD or $0200);
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SD_VERSION_3 = (SD_VERSION_SD or $0300);
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SD_VERSION_4 = (SD_VERSION_SD or $0400);
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MMC_VERSION_MMC = $00010000;
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MMC_VERSION_1_2 = (MMC_VERSION_MMC or $0102);
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MMC_VERSION_1_4 = (MMC_VERSION_MMC or $0104);
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MMC_VERSION_2_2 = (MMC_VERSION_MMC or $0202);
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MMC_VERSION_3 = (MMC_VERSION_MMC or $0300);
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MMC_VERSION_4 = (MMC_VERSION_MMC or $0400);
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MMC_VERSION_4_1 = (MMC_VERSION_MMC or $0401);
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MMC_VERSION_4_2 = (MMC_VERSION_MMC or $0402);
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MMC_VERSION_4_3 = (MMC_VERSION_MMC or $0403);
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MMC_VERSION_4_41 = (MMC_VERSION_MMC or $0429);
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MMC_VERSION_4_5 = (MMC_VERSION_MMC or $0405);
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MMC_VERSION_5_0 = (MMC_VERSION_MMC or $0500);
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MMC_VERSION_UNKNOWN = (MMC_VERSION_MMC);
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[Expand]
MMC/SD mode constants MMC_MODE_*
MMC_MODE_HS = (1 shl 0);
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MMC_MODE_HS_52MHz = (1 shl 1);
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MMC_MODE_4BIT = (1 shl 2);
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MMC_MODE_8BIT = (1 shl 3);
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MMC_MODE_SPI = (1 shl 4);
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MMC_MODE_HC = (1 shl 5);
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MMC_MODE_DDR_52MHz = (1 shl 6);
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[Expand]
MMC/SD direction constants MMC_DATA_*
MMC_DATA_READ = 1;
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MMC_DATA_WRITE = 2;
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[Expand]
MMC/SD bus width constants MMC_BUS_WIDTH_*
MMC_BUS_WIDTH_1 = 0;
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MMC_BUS_WIDTH_4 = 2;
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MMC_BUS_WIDTH_8 = 3;
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[Expand]
MMC bus speed (Hz) constants MMC_BUS_SPEED_*
MMC_BUS_SPEED_DEFAULT = 0;
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MMC_BUS_SPEED_HS26 = 26000000;
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MMC_BUS_SPEED_HS52 = 52000000;
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MMC_BUS_SPEED_DDR = 52000000;
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MMC_BUS_SPEED_HS200 = 200000000;
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[Expand]
MMC command constants MMC_CMD_*
| From: /include/linux/mmc/mmc.h
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| Class 1
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MMC_CMD_GO_IDLE_STATE = 0;
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MMC_CMD_SEND_OP_COND = 1;
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MMC_CMD_ALL_SEND_CID = 2;
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MMC_CMD_SET_RELATIVE_ADDR = 3;
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MMC_CMD_SET_DSR = 4;
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MMC_CMD_SLEEP_AWAKE = 5;
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MMC_CMD_SWITCH = 6;
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MMC_CMD_SELECT_CARD = 7;
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MMC_CMD_SEND_EXT_CSD = 8;
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MMC_CMD_SEND_CSD = 9;
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MMC_CMD_SEND_CID = 10;
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MMC_CMD_READ_DAT_UNTIL_STOP = 11;
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MMC_CMD_STOP_TRANSMISSION = 12;
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MMC_CMD_SEND_STATUS = 13;
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MMC_CMD_BUS_TEST_R = 14;
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MMC_CMD_GO_INACTIVE_STATE = 15;
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MMC_CMD_BUS_TEST_W = 19;
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MMC_CMD_SPI_READ_OCR = 58;
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MMC_CMD_SPI_CRC_ON_OFF = 59;
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| Class 2
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MMC_CMD_SET_BLOCKLEN = 16;
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MMC_CMD_READ_SINGLE_BLOCK = 17;
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MMC_CMD_READ_MULTIPLE_BLOCK = 18;
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MMC_CMD_SEND_TUNING_BLOCK = 19;
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MMC_CMD_SEND_TUNING_BLOCK_HS200 = 21;
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| Class 3
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MMC_CMD_WRITE_DAT_UNTIL_STOP = 20;
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| Class 4
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MMC_CMD_SET_BLOCK_COUNT = 23;
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MMC_CMD_WRITE_SINGLE_BLOCK = 24;
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MMC_CMD_WRITE_MULTIPLE_BLOCK = 25;
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MMC_CMD_PROGRAM_CID = 26;
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MMC_CMD_PROGRAM_CSD = 27;
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| Class 6
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MMC_CMD_SET_WRITE_PROT = 28;
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MMC_CMD_CLR_WRITE_PROT = 29;
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MMC_CMD_SEND_WRITE_PROT = 30;
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| Class 5
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MMC_CMD_ERASE_GROUP_START = 35;
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MMC_CMD_ERASE_GROUP_END = 36;
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MMC_CMD_ERASE = 38;
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| Class 9
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MMC_CMD_FAST_IO = 39;
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MMC_CMD_GO_IRQ_STATE = 40;
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| Class 7
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MMC_CMD_LOCK_UNLOCK = 42;
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| Class 8
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MMC_CMD_APP_CMD = 55;
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MMC_CMD_GEN_CMD = 56;
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MMC_CMD_RES_MAN = 62;
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MMC_CMD62_ARG1 = $EFAC62EC;
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MMC_CMD62_ARG2 = $00CBAEA7;
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[Expand]
MMC response type constants MMC_RSP_*
| From: /include/linux/mmc/mmc.h
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| Native
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MMC_RSP_PRESENT = (1 shl 0);
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MMC_RSP_136 = (1 shl 1);
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136 bit response
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MMC_RSP_CRC = (1 shl 2);
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Expect valid crc
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MMC_RSP_BUSY = (1 shl 3);
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Card may send busy
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MMC_RSP_OPCODE = (1 shl 4);
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Response contains opcode
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| These are the native response types, and correspond to valid bit patterns of the above flags. One additional valid pattern is all zeros, which means we don't expect a response.
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MMC_RSP_NONE = (0);
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MMC_RSP_R1 = (MMC_RSP_PRESENT or MMC_RSP_CRC or MMC_RSP_OPCODE);
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MMC_RSP_R1B = (MMC_RSP_PRESENT or MMC_RSP_CRC or MMC_RSP_OPCODE or MMC_RSP_BUSY);
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MMC_RSP_R2 = (MMC_RSP_PRESENT or MMC_RSP_136 or MMC_RSP_CRC);
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MMC_RSP_R3 = (MMC_RSP_PRESENT);
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MMC_RSP_R4 = (MMC_RSP_PRESENT);
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MMC_RSP_R5 = (MMC_RSP_PRESENT or MMC_RSP_CRC or MMC_RSP_OPCODE);
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MMC_RSP_R6 = (MMC_RSP_PRESENT or MMC_RSP_CRC or MMC_RSP_OPCODE);
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MMC_RSP_R7 = (MMC_RSP_PRESENT or MMC_RSP_CRC or MMC_RSP_OPCODE);
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| SPI
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MMC_RSP_SPI_S1 = (1 shl 7);
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One status byte
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MMC_RSP_SPI_S2 = (1 shl 8);
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Second byte
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MMC_RSP_SPI_B4 = (1 shl 9);
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Four data bytes
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MMC_RSP_SPI_BUSY = (1 shl 10);
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Card may send busy
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| These are the SPI response types for MMC, SD, and SDIO cards. Commands return R1, with maybe more info. Zero is an error type, callers must always provide the appropriate MMC_RSP_SPI_Rx flags.
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MMC_RSP_SPI_R1 = (MMC_RSP_SPI_S1);
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MMC_RSP_SPI_R1B = (MMC_RSP_SPI_S1 or MMC_RSP_SPI_BUSY);
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MMC_RSP_SPI_R2 = (MMC_RSP_SPI_S1 or MMC_RSP_SPI_S2);
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MMC_RSP_SPI_R3 = (MMC_RSP_SPI_S1 or MMC_RSP_SPI_B4);
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MMC_RSP_SPI_R4 = (MMC_RSP_SPI_S1 or MMC_RSP_SPI_B4);
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MMC_RSP_SPI_R5 = (MMC_RSP_SPI_S1 or MMC_RSP_SPI_S2);
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MMC_RSP_SPI_R7 = (MMC_RSP_SPI_S1 or MMC_RSP_SPI_B4);
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[Expand]
MMC response value constants MMC_RSP_R1_*, MMC_RSP_R2_*
| R1 - MMC status in R1, for native mode (SPI bits are different)
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MMC_RSP_R1_OUT_OF_RANGE = (1 shl 31);
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MMC_RSP_R1_ADDRESS_ERROR = (1 shl 30);
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MMC_RSP_R1_BLOCK_LEN_ERROR = (1 shl 29);
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MMC_RSP_R1_ERASE_SEQ_ERROR = (1 shl 28);
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MMC_RSP_R1_ERASE_PARAM = (1 shl 27);
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MMC_RSP_R1_WP_VIOLATION = (1 shl 26);
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MMC_RSP_R1_CARD_IS_LOCKED = (1 shl 25);
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MMC_RSP_R1_LOCK_UNLOCK_FAILED = (1 shl 24);
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MMC_RSP_R1_COM_CRC_ERROR = (1 shl 23);
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MMC_RSP_R1_ILLEGAL_COMMAND = (1 shl 22);
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MMC_RSP_R1_CARD_ECC_FAILED = (1 shl 21);
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MMC_RSP_R1_CC_ERROR = (1 shl 20);
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MMC_RSP_R1_ERROR = (1 shl 19);
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MMC_RSP_R1_UNDERRUN = (1 shl 18);
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MMC_RSP_R1_OVERRUN = (1 shl 17);
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MMC_RSP_R1_CID_CSD_OVERWRITE = (1 shl 16);
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MMC_RSP_R1_WP_ERASE_SKIP = (1 shl 15);
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MMC_RSP_R1_CARD_ECC_DISABLED = (1 shl 14);
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MMC_RSP_R1_ERASE_RESET = (1 shl 13);
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MMC_RSP_R1_READY_FOR_DATA = (1 shl 8);
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MMC_RSP_R1_SWITCH_ERROR = (1 shl 7);
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MMC_RSP_R1_EXCEPTION_EVENT = (1 shl 6);
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MMC_RSP_R1_APP_CMD = (1 shl 5);
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MMC_RSP_R1_AKE_SEQ_ERROR = (1 shl 3);
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| R1 SPI - MMC/SD in SPI mode reports R1 status always, and R2 for SEND_STATUS. R1 is the low order byte, R2 is the next highest byte, when present.
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MMC_RSP_R1_SPI_IDLE = (1 shl 0);
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MMC_RSP_R1_SPI_ERASE_RESET = (1 shl 1);
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MMC_RSP_R1_SPI_ILLEGAL_COMMAND = (1 shl 2);
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MMC_RSP_R1_SPI_COM_CRC = (1 shl 3);
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MMC_RSP_R1_SPI_ERASE_SEQ = (1 shl 4);
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MMC_RSP_R1_SPI_ADDRESS = (1 shl 5);
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MMC_RSP_R1_SPI_PARAMETER = (1 shl 6);
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| R1 bit 7 is always zero
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| R2 SPI - See above
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MMC_RSP_R2_SPI_CARD_LOCKED = (1 shl 8);
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MMC_RSP_R2_SPI_WP_ERASE_SKIP = (1 shl 9);
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Or lock/unlock fail
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MMC_RSP_R2_SPI_LOCK_UNLOCK_FAIL = MMC_RSP_R2_SPI_WP_ERASE_SKIP;
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MMC_RSP_R2_SPI_ERROR = (1 shl 10);
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MMC_RSP_R2_SPI_CC_ERROR = (1 shl 11);
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MMC_RSP_R2_SPI_CARD_ECC_ERROR = (1 shl 12);
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MMC_RSP_R2_SPI_WP_VIOLATION = (1 shl 13);
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MMC_RSP_R2_SPI_ERASE_PARAM = (1 shl 14);
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MMC_RSP_R2_SPI_OUT_OF_RANGE = (1 shl 15);
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Or CSD overwrite
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MMC_RSP_R2_SPI_CSD_OVERWRITE = MMC_RSP_R2_SPI_OUT_OF_RANGE;
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[Expand]
MMC operation condition register (OCR) value constants MMC_OCR_*
| See: Section 5.1 of SD Physical Layer Simplified Specification V4.10
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MMC_OCR_BUSY = $80000000;
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Busy Status - 0 = Initializing / 1 = Initialization Complete
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MMC_OCR_HCS = $40000000;
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Card Capacity Status - 0 = SDSC / 1 = SDHC or SDXC
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MMC_OCR_UHS_II = $20000000;
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UHS-II Card Status - 0 = Non UHS-II Card / 1 = UHS-II Card
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MMC_OCR_S18A = $01000000;
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Switching to 1.8V Accepted - 0 = Continue current voltage signaling / 1 = Ready for switching signal voltage
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MMC_OCR_VOLTAGE_MASK = $007FFF80;
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MMC_OCR_ACCESS_MODE = $60000000;
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[Expand]
MMC card status register (CSR) value constants MMC_CARD_STATUS_*
| See: Section 4.10.1 of SD Physical Layer Simplified Specification Version 4.10
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| Note: These map to the Native mode R1 response values
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MMC_CARD_STATUS_MASK = not($0206BF7F);
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MMC_CARD_STATUS_ERROR = (1 shl 19);
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MMC_CARD_STATUS_CURRENT_STATE = ($0F shl 9);
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See MMC_CURRENT_STATE_ definitions below
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MMC_CARD_STATUS_READY_FOR_DATA = (1 shl 8);
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MMC_CARD_STATUS_SWITCH_ERROR = (1 shl 7);
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[Expand]
MMC current state value constants MMC_CURRENT_STATE_*
| From Card Status Register or R1 Response
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MMC_CURRENT_STATE_IDLE = (0 shl 9);
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MMC_CURRENT_STATE_READY = (1 shl 9);
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MMC_CURRENT_STATE_IDENT = (2 shl 9);
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MMC_CURRENT_STATE_STBY = (3 shl 9);
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MMC_CURRENT_STATE_TRAN = (4 shl 9);
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MMC_CURRENT_STATE_DATA = (5 shl 9);
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MMC_CURRENT_STATE_RCV = (6 shl 9);
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MMC_CURRENT_STATE_PRG = (7 shl 9);
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MMC_CURRENT_STATE_DIS = (8 shl 9);
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[Expand]
MMC card identification data (CID) value constants MMC_CID_*
| See: Section 5.2 of SD Physical Layer Simplified Specification Version 4.10
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| MMC CID Fields
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MMC_CID_MID = 1;
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Manufacturer ID
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MMC_CID_OID = 2;
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OEM/Application ID
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MMC_CID_PNM0 = 3;
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Product name (Byte 0)
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MMC_CID_PNM1 = 4;
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Product name (Byte 1)
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MMC_CID_PNM2 = 5;
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Product name (Byte 2)
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MMC_CID_PNM3 = 6;
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Product name (Byte 3)
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MMC_CID_PNM4 = 7;
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Product name (Byte 4)
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MMC_CID_PNM5 = 8;
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Product name (Byte 5)
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MMC_CID_PNM6 = 9;
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Product name (Byte 6)
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MMC_CID_PRV = 10;
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Product revision
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MMC_CID_HRV = 11;
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Hardware revision
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MMC_CID_FRV = 12;
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Firmware revision
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MMC_CID_PSN = 13;
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Product serial number
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MMC_CID_MDT_YEAR = 14;
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Manufacturing year
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MMC_CID_MDT_MONTH = 15;
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Manufacturing month
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MMC_CID_CRC = 16;
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CRC
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[Expand]
MMC card specific data (CSD) value constants MMC_CSD_*
| See: Section 5.3 of SD Physical Layer Simplified Specification Version 4.10
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| MMC CSD Fields
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MMC_CSD_STRUCTURE = 1;
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MMC_CSD_SPECVER = 2;
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MMC/eMMC Only
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MMC_CSD_TAAC_UNIT = 3;
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MMC_CSD_TAAC_VALUE = 4;
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MMC_CSD_NSAC = 5;
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MMC_CSD_TRAN_SPEED_UNIT = 6;
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MMC_CSD_TRAN_SPEED_VALUE = 37;
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MMC_CSD_CCC = 7;
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MMC_CSD_READ_BL_LEN = 8;
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MMC_CSD_READ_BL_PARTIAL = 9;
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MMC_CSD_WRITE_BLK_MISALIGN = 10;
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MMC_CSD_READ_BLK_MISALIGN = 11;
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MMC_CSD_DSR_IMP = 12;
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MMC_CSD_C_SIZE = 13;
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MMC_CSD_VDD_R_CURR_MIN = 14;
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MMC_CSD_VDD_R_CURR_MAX = 15;
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MMC_CSD_VDD_W_CURR_MIN = 16;
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MMC_CSD_VDD_W_CURR_MAX = 17;
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MMC_CSD_C_SIZE_MULT = 18;
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MMC_CSD_ERASE_BLK_EN = 19;
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SD Specification
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MMC_CSD_SECTOR_SIZE = 20;
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MMC/eMMC Specification / SD Specification
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MMC_CSD_ERASE_GRP_SIZE = 21;
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MMC/eMMC Specification
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MMC_CSD_ERASE_GRP_MULT = 22;
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MMC/eMMC Specification
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MMC_CSD_WP_GRP_SIZE = 23;
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MMC_CSD_WP_GRP_ENABLE = 24;
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MMC_CSD_DEFAULT_ECC = 25;
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MMC/eMMC Only
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MMC_CSD_R2W_FACTOR = 26;
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MMC_CSD_WRITE_BL_LEN = 27;
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MMC_CSD_WRITE_BL_PARTIAL = 28;
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MMC_CSD_CONTENT_PROT_APP = 29;
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MMC/eMMC Only
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MMC_CSD_FILE_FORMAT_GRP = 30;
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MMC_CSD_COPY = 31;
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MMC_CSD_PERM_WRITE_PROTECT = 32;
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MMC_CSD_TMP_WRITE_PROTECT = 33;
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MMC_CSD_FILE_FORMAT = 34;
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MMC_CSD_ECC = 35;
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MMC/eMMC Only
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MMC_CSD_CRC = 36;
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[Expand]
MMC CSD structure value constants MMC_CSD_STRUCT_*
MMC_CSD_STRUCT_VER_1_0 = 0;
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Valid for system specification 1.0 - 1.2
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MMC_CSD_STRUCT_VER_1_1 = 1;
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Valid for system specification 1.4 - 2.2
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MMC_CSD_STRUCT_VER_1_2 = 2;
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Valid for system specification 3.1 - 3.2 - 3.31 - 4.0 - 4.1
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MMC_CSD_STRUCT_EXT_CSD = 3;
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Version is coded in CSD_STRUCTURE in EXT_CSD
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[Expand]
MMC CSD spec version value constants MMC_CSD_SPEC_VER_*
MMC_CSD_SPEC_VER_0 = 0;
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Implements system specification 1.0 - 1.2
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MMC_CSD_SPEC_VER_1 = 1;
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Implements system specification 1.4
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MMC_CSD_SPEC_VER_2 = 2;
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Implements system specification 2.0 - 2.2
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MMC_CSD_SPEC_VER_3 = 3;
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Implements system specification 3.1 - 3.2 - 3.31
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MMC_CSD_SPEC_VER_4 = 4;
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Implements system specification 4.0 - 4.1
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[Expand]
MMC CSD TAAC time unit constants MMC_CSD_TAAC_UNITS*
MMC_CSD_TAAC_UNITS:array[0..7] of LongWord = (
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1,
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10,
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100,
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1000,
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10000,
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100000,
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1000000,
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10000000);
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|
[Expand]
MMC CSD TAAC time value constants MMC_CSD_TAAC_VALUES*
MMC_CSD_TAAC_VALUES:array[0..15] of LongWord = (
|
0,
|
|
10,
|
|
12,
|
|
13,
|
|
15,
|
|
20,
|
|
25,
|
|
30,
|
|
35,
|
|
40,
|
|
45,
|
|
50,
|
|
55,
|
|
60,
|
|
70,
|
|
80);
|
|
[Expand]
MMC CSD card command class (CCC) value constants MMC_CCC_*
| See: Table 4-21 (Page 68) of SD Physical Layer Simplified Specification V4.10
|
|
|
MMC_CCC_BASIC = (1 shl 0);
|
(Class 0) Basic protocol functions (CMD0,1,2,3,4,7,9,10,12,13,15) (and for SPI, CMD58,59)
|
MMC_CCC_STREAM_READ = (1 shl 1);
|
(Class 1) Stream read commands (CMD11)
|
MMC_CCC_BLOCK_READ = (1 shl 2);
|
(Class 2) Block read commands (CMD16,17,18)
|
MMC_CCC_STREAM_WRITE = (1 shl 3);
|
(Class 3) Stream write commands (CMD20)
|
MMC_CCC_BLOCK_WRITE = (1 shl 4);
|
(Class 4) Block write commands (CMD16,24,25,26,27)
|
MMC_CCC_ERASE = (1 shl 5);
|
(Class 5) Ability to erase blocks (CMD32,33,34,35,36,37,38,39)
|
MMC_CCC_WRITE_PROT = (1 shl 6);
|
(Class 6) Ability to write protect blocks (CMD28,29,30)
|
MMC_CCC_LOCK_CARD = (1 shl 7);
|
(Class 7) Ability to lock down card (CMD16,CMD42)
|
MMC_CCC_APP_SPEC = (1 shl 8);
|
(Class 8) Application specific (CMD55,56,57,ACMD*)
|
MMC_CCC_IO_MODE = (1 shl 9);
|
(Class 9) I/O mode (CMD5,39,40,52,53)
|
MMC_CCC_SWITCH = (1 shl 10);
|
(Class 10) High speed switch (CMD6,34,35,36,37,50)
|
MMC_CCC_EXTENSION = (1 shl 11);
|
(Class 11) Extension (CMD?)
|
[Expand]
MMC CSD transfer speed rate unit constants MMC_CSD_TRAN_SPEED_UNITS*
MMC_CSD_TRAN_SPEED_UNITS:array[0..7] of LongWord = (
|
10000,
|
|
100000,
|
|
1000000,
|
|
10000000,
|
|
0,
|
|
0,
|
|
0,
|
|
0);
|
|
[Expand]
MMC CSD transfer speed time value constants MMC_CSD_TRAN_SPEED_VALUES*
MMC_CSD_TRAN_SPEED_VALUES:array[0..15] of LongWord = (
|
0,
|
|
10,
|
|
12,
|
|
13,
|
|
15,
|
|
20,
|
|
25,
|
|
30,
|
|
35,
|
|
40,
|
|
45,
|
|
50,
|
|
55,
|
|
60,
|
|
70,
|
|
80);
|
|
|
|
SECURE_ERASE = $80000000;
|
Used by MMC_CMD_ERASE
|
[Expand]
MMC voltage value constants MMC_VDD_*
MMC_VDD_165_195 = $00000080;
|
VDD voltage 1.65 - 1.95
|
MMC_VDD_20_21 = $00000100;
|
VDD voltage 2.0 ~ 2.1
|
MMC_VDD_21_22 = $00000200;
|
VDD voltage 2.1 ~ 2.2
|
MMC_VDD_22_23 = $00000400;
|
VDD voltage 2.2 ~ 2.3
|
MMC_VDD_23_24 = $00000800;
|
VDD voltage 2.3 ~ 2.4
|
MMC_VDD_24_25 = $00001000;
|
VDD voltage 2.4 ~ 2.5
|
MMC_VDD_25_26 = $00002000;
|
VDD voltage 2.5 ~ 2.6
|
MMC_VDD_26_27 = $00004000;
|
VDD voltage 2.6 ~ 2.7
|
MMC_VDD_27_28 = $00008000;
|
VDD voltage 2.7 ~ 2.8
|
MMC_VDD_28_29 = $00010000;
|
VDD voltage 2.8 ~ 2.9
|
MMC_VDD_29_30 = $00020000;
|
VDD voltage 2.9 ~ 3.0
|
MMC_VDD_30_31 = $00040000;
|
VDD voltage 3.0 ~ 3.1
|
MMC_VDD_31_32 = $00080000;
|
VDD voltage 3.1 ~ 3.2
|
MMC_VDD_32_33 = $00100000;
|
VDD voltage 3.2 ~ 3.3
|
MMC_VDD_33_34 = $00200000;
|
VDD voltage 3.3 ~ 3.4
|
MMC_VDD_34_35 = $00400000;
|
VDD voltage 3.4 ~ 3.5
|
MMC_VDD_35_36 = $00800000;
|
VDD voltage 3.5 ~ 3.6
|
[Expand]
MMC switch mode value constants MMC_SWITCH_MODE_*
MMC_SWITCH_MODE_CMD_SET = $00;
|
Change the command set
|
MMC_SWITCH_MODE_SET_BITS = $01;
|
Set bits in EXT_CSD byte addressed by index which are 1 in value field
|
MMC_SWITCH_MODE_CLEAR_BITS = $02;
|
Clear bits in EXT_CSD byte addressed by index, which are 1 in value field
|
MMC_SWITCH_MODE_WRITE_BYTE = $03;
|
Set target byte to value
|
[Expand]
MMC EXT_CSD field constants EXT_CSD_*
EXT_CSD_ENH_START_ADDR = 136;
|
R/W
|
EXT_CSD_ENH_SIZE_MULT = 140;
|
R/W
|
EXT_CSD_GP_SIZE_MULT = 143;
|
R/W
|
EXT_CSD_PARTITION_SETTING = 155;
|
R/W
|
EXT_CSD_PARTITIONS_ATTRIBUTE = 156;
|
R/W
|
EXT_CSD_MAX_ENH_SIZE_MULT = 157;
|
R
|
EXT_CSD_PARTITIONING_SUPPORT = 160;
|
RO
|
EXT_CSD_RST_N_FUNCTION = 162;
|
R/W
|
EXT_CSD_WR_REL_PARAM = 166;
|
R
|
EXT_CSD_WR_REL_SET = 167;
|
R/W
|
EXT_CSD_RPMB_MULT = 168;
|
RO
|
EXT_CSD_ERASE_GROUP_DEF = 175;
|
R/W
|
EXT_CSD_BOOT_BUS_WIDTH = 177;
|
|
EXT_CSD_PART_CONF = 179;
|
R/W
|
EXT_CSD_BUS_WIDTH = 183;
|
R/W
|
EXT_CSD_HS_TIMING = 185;
|
R/W
|
EXT_CSD_REV = 192;
|
RO
|
EXT_CSD_CARD_TYPE = 196;
|
RO
|
EXT_CSD_SEC_CNT = 212;
|
RO, 4 bytes
|
EXT_CSD_HC_WP_GRP_SIZE = 221;
|
RO
|
EXT_CSD_HC_ERASE_GRP_SIZE = 224;
|
RO
|
EXT_CSD_BOOT_MULT = 226;
|
RO
|
[Expand]
MMC EXT_CSD field definition constants EXT_CSD_*
EXT_CSD_CMD_SET_NORMAL = (1 shl 0);
|
|
EXT_CSD_CMD_SET_SECURE = (1 shl 1);
|
|
EXT_CSD_CMD_SET_CPSECURE = (1 shl 2);
|
|
|
|
EXT_CSD_CARD_TYPE_26 = (1 shl 0);
|
Card can run at 26MHz
|
EXT_CSD_CARD_TYPE_52 = (1 shl 1);
|
Card can run at 52MHz
|
EXT_CSD_CARD_TYPE_DDR_1_8V = (1 shl 2);
|
|
EXT_CSD_CARD_TYPE_DDR_1_2V = (1 shl 3);
|
|
EXT_CSD_CARD_TYPE_DDR_52 = (EXT_CSD_CARD_TYPE_DDR_1_8V or EXT_CSD_CARD_TYPE_DDR_1_2V);
|
|
|
|
EXT_CSD_BUS_WIDTH_1 = 0;
|
Card is in 1 bit mode
|
EXT_CSD_BUS_WIDTH_4 = 1;
|
Card is in 4 bit mode
|
EXT_CSD_BUS_WIDTH_8 = 2;
|
Card is in 8 bit mode
|
EXT_CSD_DDR_BUS_WIDTH_4 = 5;
|
Card is in 4 bit DDR mode
|
EXT_CSD_DDR_BUS_WIDTH_8 = 6;
|
Card is in 8 bit DDR mode
|
|
|
EXT_CSD_BOOT_ACK_ENABLE = (1 shl 6);
|
|
EXT_CSD_BOOT_PARTITION_ENABLE = (1 shl 3);
|
|
EXT_CSD_PARTITION_ACCESS_ENABLE = (1 shl 0);
|
|
EXT_CSD_PARTITION_ACCESS_DISABLE = (0 shl 0);
|
|
|
|
EXT_CSD_PARTITION_SETTING_COMPLETED = (1 shl 0);
|
|
|
|
EXT_CSD_ENH_USR = (1 shl 0);
|
user data area is enhanced
|
|
|
EXT_CSD_HS_CTRL_REL = (1 shl 0);
|
host controlled WR_REL_SET
|
|
|
EXT_CSD_WR_DATA_REL_USR = (1 shl 0);
|
user data area WR_REL
|
[Expand]
MMC Misc constants MMCPART_*, MMC_MAX_*
MMCPART_NOAVAILABLE = ($ff);
|
|
PART_ACCESS_MASK = ($07);
|
|
PART_SUPPORT = ($01);
|
|
ENHNCD_SUPPORT = ($02);
|
|
PART_ENH_ATTRIB = ($1f);
|
|
|
|
| Maximum block size for MMC
|
MMC_MAX_BLOCK_LEN = 512;
|
|
|
|
| Maximum block count for MMC
|
MMC_MAX_BLOCK_COUNT = 65535;
|
|
|
|
| The number of MMC physical partitions. These consist of: boot partitions (2), general purpose partitions (4) in MMC v4.4.
|
MMC_NUM_BOOT_PARTITION = 2;
|
|
MMC_PART_RPMB = 3;
|
RPMB partition number
|
[Expand]
MMC logging constants MMC_LOG_*
MMC_LOG_LEVEL_DEBUG = LOG_LEVEL_DEBUG;
|
MMC debugging messages
|
MMC_LOG_LEVEL_INFO = LOG_LEVEL_INFO;
|
MMC informational messages, such as a device being attached or detached
|
MMC_LOG_LEVEL_ERROR = LOG_LEVEL_ERROR;
|
MMC error messages
|
MMC_LOG_LEVEL_NONE = LOG_LEVEL_NONE;
|
No MMC messages
|
Type definitions
To be documented
Public variables
To be documented
Function declarations
Initialization functions
[Expand]
procedure MMCInit;
Description: To be documented
[Expand]
function MMCStart:LongWord;
Description: To be documented
[Expand]
function MMCStop:LongWord;
Description: To be documented
[Expand]
procedure MMCAsyncStart(SDHCI:PSDHCIHost);
Description: To be documented
MMC functions
[Expand]
function MMCDeviceReadBlocks(MMC:PMMCDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented
[Expand]
function MMCDeviceWriteBlocks(MMC:PMMCDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented
[Expand]
function MMCDeviceEraseBlocks(MMC:PMMCDevice; const Start,Count:Int64):LongWord;
Description: To be documented
[Expand]
function MMCDeviceGoIdle(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSetClock(MMC:PMMCDevice; Clock:LongWord):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSetBusWidth(MMC:PMMCDevice; Width:LongWord):LongWord;
Description: To be documented
| Reference
|
Section 3.4 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf
|
[Expand]
function MMCDeviceSetBlockLength(MMC:PMMCDevice; Length:LongWord):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSetBlockCount(MMC:PMMCDevice; Count:LongWord; Relative:Boolean):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSetDriverStage(MMC:PMMCDevice; DriverStage:LongWord):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSelectCard(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceDeselectCard(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSwitch(MMC:PMMCDevice; Setting,Index,Value:Byte):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSendCardStatus(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSendOperationCondition(MMC:PMMCDevice; Probe:Boolean):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSendCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceDecodeCardSpecific(MMC:PMMCDevice):LongWord;
Description: Given a 128-bit response, decode to our card CSD structure
[Expand]
function MMCDeviceSendCardIdentification(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSendAllCardIdentification(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceDecodeCardIdentification(MMC:PMMCDevice):LongWord;
Description: Given a 128-bit response, decode to our card CID structure
[Expand]
function MMCDeviceGetExtendedCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSendExtendedCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceDecodeExtendedCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSetRelativeAddress(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSPISetCRC(MMC:PMMCDevice; Enable:Boolean):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSPIReadOperationCondition(MMC:PMMCDevice; HighCapacity:Boolean):LongWord;
Description: To be documented
[Expand]
function MMCDeviceInsert(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceRemove(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceInitialize(MMC:PMMCDevice):LongWord;
Description: To be documented
| Reference
|
Section 3.6 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf
|
[Expand]
function MMCDeviceDeinitialize(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceGetCardDetect(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceGetWriteProtect(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSendCommand(MMC:PMMCDevice; Command:PMMCCommand):LongWord;
Description: To be documented
[Expand]
function MMCDeviceSetIOS(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function MMCDeviceCreate:PMMCDevice;
Description: Create a new MMC entry
| Return
|
Pointer to new MMC entry or nil if MMC could not be created
|
[Expand]
function MMCDeviceCreateEx(Size:LongWord):PMMCDevice;
Description: Create a new MMC entry
| Size
|
Size in bytes to allocate for new MMC (Including the MMC entry)
|
| Return
|
Pointer to new MMC entry or nil if MMC could not be created
|
[Expand]
function MMCDeviceDestroy(MMC:PMMCDevice):LongWord;
Description: Destroy an existing MMC entry
[Expand]
function MMCDeviceRegister(MMC:PMMCDevice):LongWord;
Description: Register a new MMC in the MMC table
[Expand]
function MMCDeviceDeregister(MMC:PMMCDevice):LongWord;
Description: Deregister a MMC from the MMC table
[Expand]
function MMCDeviceFind(MMCId:LongWord):PMMCDevice;
Description: To be documented
[Expand]
function MMCDeviceFindByName(const Name:String):PMMCDevice; inline;
Description: To be documented
[Expand]
function MMCDeviceFindByDescription(const Description:String):PMMCDevice; inline;
Description: To be documented
[Expand]
function MMCDeviceEnumerate(Callback:TMMCEnumerate; Data:Pointer):LongWord;
Description: To be documented
[Expand]
function MMCDeviceNotification(MMC:PMMCDevice; Callback:TMMCNotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
SD functions
[Expand]
function SDDeviceSwitch(MMC:PMMCDevice; Mode,Group:Integer; Value:Byte; Buffer:Pointer):LongWord;
Description: To be documented
| Buffer
|
Buffer must point to a 64 byte buffer for Switch Status information
|
| Note
|
See 4.3.10 of SD Physical Layer Simplified Specification V4.10
|
[Expand]
function SDDeviceSwitchHighspeed(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceSetBusSpeed(MMC:PMMCDevice; Speed:LongWord):LongWord;
Description: To be documented
[Expand]
function SDDeviceSetBusWidth(MMC:PMMCDevice; Width:LongWord):LongWord;
Description: To be documented
| Note
|
See Table 4-30 in Section 4.7.4 of SD Physical Layer Simplified Specification V4.10
|
[Expand]
function SDDeviceSendInterfaceCondition(MMC:PMMCDevice):LongWord;
Description: To be documented
| Note
|
See 4.3.13 of SD Physical Layer Simplified Specification V4.10. CMD8 (SEND_IF_COND) must be invoked to support SD 2.0 cards. The card must be in Idle State before issuing this command. This command will fail harmlessly for SD 1.0 cards.
|
[Expand]
function SDDeviceSendOperationCondition(MMC:PMMCDevice; Probe:Boolean):LongWord;
Description: To be documented
| Note
|
See 4.2.3.1 of SD Physical Layer Simplified Specification V4.10
|
[Expand]
function SDDeviceGetCardSpecific(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceDecodeCardSpecific(MMC:PMMCDevice):LongWord;
Description: Given a 128-bit response, decode to our card CSD structure
[Expand]
function SDDeviceGetCardIdentification(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceDecodeCardIdentification(MMC:PMMCDevice):LongWord;
Description: Given a 128-bit response, decode to our card CID structure
[Expand]
function SDDeviceSendSDStatus(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceDecodeSDStatus(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceSendSDSwitch(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceDecodeSDSwitch(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceSendSDConfiguration(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceDecodeSDConfiguration(MMC:PMMCDevice):LongWord;
Description: Given a 64-bit response, decode to our card SCR structure
[Expand]
function SDDeviceSendRelativeAddress(MMC:PMMCDevice):LongWord;
Description: To be documented
[Expand]
function SDDeviceSendApplicationCommand(MMC:PMMCDevice; Command:PMMCCommand):LongWord;
Description: To be documented
SDIO functions
[Expand]
function SDIODeviceReset(MMC:PMMCDevice):LongWord;
Description: To be documented
| Note
|
See SDIO Simplified Specification V2.0, 4.4 Reset for SDIO
|
[Expand]
function SDIODeviceSendOperationCondition(MMC:PMMCDevice; Probe:Boolean):LongWord;
Description: To be documented
[Expand]
function SDIODeviceReadWriteDirect(MMC:PMMCDevice; Write:Boolean; Operation,Address:LongWord; Input:Byte; Output:PByte):LongWord;
Description: To be documented
[Expand]
function SDIODeviceReadWriteExtended(MMC:PMMCDevice; Write:Boolean; Operation,Address:LongWord; Increment:Boolean; Buffer:Pointer; BlockCount,BlockSize:LongWord):LongWord;
Description: To be documented
SDHCI functions
[Expand]
function SDHCIHostReset(SDHCI:PSDHCIHost; Mask:Byte):LongWord;
Description: To be documented
| Reference
|
Section 3.3 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf
|
[Expand]
function SDHCIHostSetPower(SDHCI:PSDHCIHost; Power:Word):LongWord;
Description: To be documented
| Reference
|
Section 3.3 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf
|
[Expand]
function SDHCIHostSetClock(SDHCI:PSDHCIHost; Clock:LongWord):LongWord;
Description: To be documented
| Reference
|
Section 3.2 of SD Host Controller Simplified Specification V3.0 partA2_300.pdf
|
[Expand]
function SDHCIHostTransferPIO(SDHCI:PSDHCIHost):LongWord;
Description: To be documented
[Expand]
function SDHCIHostTransferDMA(SDHCI:PSDHCIHost):LongWord;
Description: To be documented
[Expand]
function SDHCIHostFinishCommand(SDHCI:PSDHCIHost):LongWord;
Description: Called by Interrupt Command handler when an SDHCI_INT_RESPONSE is received
[Expand]
function SDHCIHostFinishData(SDHCI:PSDHCIHost):LongWord;
Description: Called by Interrupt Data handler when data is received
[Expand]
function SDHCIHostCommandInterrupt(SDHCI:PSDHCIHost; InterruptMask:LongWord; var ReturnMask:LongWord):LongWord;
Description: To be documented
[Expand]
function SDHCIHostDataInterrupt(SDHCI:PSDHCIHost; InterruptMask:LongWord):LongWord;
Description: To be documented
[Expand]
function SDHCIHostStart(SDHCI:PSDHCIHost):LongWord;
Description: To be documented
[Expand]
function SDHCIHostStop(SDHCI:PSDHCIHost):LongWord;
Description: To be documented
[Expand]
function SDHCIHostReadByte(SDHCI:PSDHCIHost; Reg:LongWord):Byte; inline;
Description: To be documented
[Expand]
function SDHCIHostReadWord(SDHCI:PSDHCIHost; Reg:LongWord):Word; inline;
Description: To be documented
[Expand]
function SDHCIHostReadLong(SDHCI:PSDHCIHost; Reg:LongWord):LongWord; inline;
Description: To be documented
[Expand]
procedure SDHCIHostWriteByte(SDHCI:PSDHCIHost; Reg:LongWord; Value:Byte); inline;
Description: To be documented
[Expand]
procedure SDHCIHostWriteWord(SDHCI:PSDHCIHost; Reg:LongWord; Value:Word); inline;
Description: To be documented
[Expand]
procedure SDHCIHostWriteLong(SDHCI:PSDHCIHost; Reg:LongWord; Value:LongWord); inline;
Description: To be documented
[Expand]
function SDHCIHostSetClockDivider(SDHCI:PSDHCIHost; Index:Integer; Divider:LongWord):LongWord;
Description: To be documented
[Expand]
function SDHCIHostSetControlRegister(SDHCI:PSDHCIHost):LongWord;
Description: To be documented
[Expand]
function SDHCIHostCreate:PSDHCIHost;
Description: Create a new SDHCI entry
| Return
|
Pointer to new SDHCI entry or nil if SDHCI could not be created
|
[Expand]
function SDHCIHostCreateEx(Size:LongWord):PSDHCIHost;
Description: Create a new SDHCI entry
| Size
|
Size in bytes to allocate for new SDHCI (Including the SDHCI entry)
|
| Return
|
Pointer to new SDHCI entry or nil if SDHCI could not be created
|
[Expand]
function SDHCIHostDestroy(SDHCI:PSDHCIHost):LongWord;
Description: Destroy an existing SDHCI entry
[Expand]
function SDHCIHostRegister(SDHCI:PSDHCIHost):LongWord;
Description: Register a new SDHCI in the SDHCI table
[Expand]
function SDHCIHostDeregister(SDHCI:PSDHCIHost):LongWord;
Description: Deregister a SDHCI from the SDHCI table
[Expand]
function SDHCIHostFind(SDHCIId:LongWord):PSDHCIHost;
Description: To be documented
[Expand]
function SDHCIHostEnumerate(Callback:TSDHCIEnumerate; Data:Pointer):LongWord;
Description: To be documented
[Expand]
function SDHCIHostNotification(SDHCI:PSDHCIHost; Callback:TSDHCINotification; Data:Pointer; Notification,Flags:LongWord):LongWord;
Description: To be documented
MMC helper functions
[Expand]
function MMCGetCount:LongWord; inline;
Description: Get the current MMC count
[Expand]
function MMCDeviceCheck(MMC:PMMCDevice):PMMCDevice;
Description: Check if the supplied MMC is in the MMC table
[Expand]
function MMCIsSD(MMC:PMMCDevice):Boolean;
Description: To be documented
[Expand]
function MMCGetCIDValue(MMC:PMMCDevice; Version,Value:LongWord):LongWord;
Description: Extract a CID field value from the 128 bit Card Identification register
[Expand]
function MMCGetCSDValue(MMC:PMMCDevice; Value:LongWord):LongWord;
Description: Extract a CSD field value from the 128 bit Card Specific register
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function MMCGetExtendedCSDValue(MMC:PMMCDevice; Value:LongWord):LongWord;
Description: Extract an Extended CSD field value from the 512 byte Extended Card Specific register
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function MMCExtractBits(Buffer:Pointer; Start,Size:LongWord):LongWord;
Description: To be documented
| Start
|
Start is the starting bit to extract
|
| Size
|
Size is the number of bits to extract
|
| Note
|
Start is the LSB so to extract 8 bits from 127 to 120 then Start would be 120 and Size would be 8
|
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function MMCExtractBitsEx(Buffer:Pointer; Length,Start,Size:LongWord):LongWord;
Description: To be documented
| Length
|
Length is the size of the buffer in LongWords
|
| Start
|
Start is the starting bit to extract
|
| Size
|
Size is the number of bits to extract
|
| Note
|
Start is the LSB so to extract 8 bits from 127 to 120 then Start would be 120 and Size would be 8. For a 128 bit buffer (16 bytes) Length would be 4. For a 512 bit buffer (64 bytes) Length would be 16.
|
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function MMCIsMultiCommand(Command:Word):Boolean;
Description: To be documented
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function MMCStatusToString(Status:LongWord):String;
Description: Translates an MMC status code into a string describing it
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function MMCDeviceTypeToString(MMCType:LongWord):String;
Description: To be documented
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function MMCDeviceStateToString(MMCState:LongWord):String;
Description: To be documented
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procedure MMCLog(Level:LongWord; MMC:PMMCDevice; const AText:String);
Description: To be documented
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procedure MMCLogInfo(MMC:PMMCDevice; const AText:String);
Description: To be documented
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procedure MMCLogError(MMC:PMMCDevice; const AText:String);
Description: To be documented
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procedure MMCLogDebug(MMC:PMMCDevice; const AText:String);
Description: To be documented
SD helper functions
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function SDGetMaxClock(MMC:PMMCDevice):LongWord;
Description: Determine the Maximum Clock (DTR) for the current card
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function SDGetCIDValue(MMC:PMMCDevice; Value:LongWord):LongWord;
Description: Extract a CID field value from the 128 bit Card Identification register
[Expand]
function SDGetCSDValue(MMC:PMMCDevice; Version,Value:LongWord):LongWord;
Description: Extract a CSD field value from the 128 bit Card Specific register
[Expand]
function SDGetSCRValue(MMC:PMMCDevice; Value:LongWord):LongWord;
Description: Extract an SCR field value from the 64 bit SD Configuration register
[Expand]
function SDGetSSRValue(MMC:PMMCDevice; Value:LongWord):LongWord;
Description: Extract an SCR field value from the 512 bit SD Status register
[Expand]
function SDGetSwitchValue(MMC:PMMCDevice; Value:LongWord):LongWord;
Description: Extract a Switch field value from the 512 bit SD Switch status
SDHCI helper functions
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function SDHCIGetCount:LongWord; inline;
Description: Get the current SDHCI count
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function SDHCIHostCheck(SDHCI:PSDHCIHost):PSDHCIHost;
Description: Check if the supplied SDHCI is in the SDHCI table
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function SDHCIIsSPI(SDHCI:PSDHCIHost):Boolean;
Description: To be documented
[Expand]
function SDHCIGetVersion(SDHCI:PSDHCIHost):Word;
Description: To be documented
[Expand]
function SDHCIGetCommand(Command:Word):Word;
Description: To be documented
[Expand]
function SDHCIMakeCommand(Command,Flags:Word):Word;
Description: To be documented
[Expand]
function SDHCIMakeBlockSize(DMA,BlockSize:Word):Word;
Description: To be documented
[Expand]
function SDHCIDeviceTypeToString(SDHCIType:LongWord):String;
Description: To be documented
[Expand]
function SDHCIDeviceStateToString(SDHCIState:LongWord):String;
Description: To be documented
MMC storage functions
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function MMCStorageDeviceRead(Storage:PStorageDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented
[Expand]
function MMCStorageDeviceWrite(Storage:PStorageDevice; const Start,Count:Int64; Buffer:Pointer):LongWord;
Description: To be documented
[Expand]
function MMCStorageDeviceErase(Storage:PStorageDevice; const Start,Count:Int64):LongWord;
Description: To be documented
[Expand]
function MMCStorageDeviceControl(Storage:PStorageDevice; Request:Integer; Argument1:LongWord; var Argument2:LongWord):LongWord;
Description: To be documented
Return to Unit Reference
