/**
Implements EFI_BLOCK_IO_PROTOCOL.Reset() function.
@param This The EFI_BLOCK_IO_PROTOCOL instance.
@param ExtendedVerification Indicates that the driver may perform a more exhaustive.
verification operation of the device during reset.
(This parameter is ingored in this driver.)
@retval EFI_SUCCESS Success
**/
EFI_STATUS
EFIAPI
MMCSDBlockReset (
IN EFI_BLOCK_IO_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
{
CARD_DATA *CardData;
EFI_SD_HOST_IO_PROTOCOL *SDHostIo;
CardData = CARD_DATA_FROM_THIS(This);
SDHostIo = CardData->SDHostIo;
return SDHostIo->ResetSDHost (SDHostIo, Reset_DAT_CMD);
}
/**
Send command by using Host IO protocol
@param This A pointer to the EFI_SD_HOST_IO_PROTOCOL instance.
@param CommandIndex The command index to set the command index field of command register.
@param Argument Command argument to set the argument field of command register.
@param DataType TRANSFER_TYPE, indicates no data, data in or data out.
@param Buffer Contains the data read from / write to the device.
@param BufferSize The size of the buffer.
@param ResponseType RESPONSE_TYPE.
@param TimeOut Time out value in 1 ms unit.
@param ResponseData Depending on the ResponseType, such as CSD or card status.
@retval EFI_SUCCESS
@retval EFI_INVALID_PARAMETER
@retval EFI_UNSUPPORTED
@retval EFI_DEVICE_ERROR
**/
EFI_STATUS
SendCommand (
IN CARD_DATA *CardData,
IN UINT16 CommandIndex,
IN UINT32 Argument,
IN TRANSFER_TYPE DataType,
IN UINT8 *Buffer, OPTIONAL
IN UINT32 BufferSize,
IN RESPONSE_TYPE ResponseType,
IN UINT32 TimeOut,
OUT UINT32 *ResponseData
)
{
EFI_STATUS Status;
EFI_SD_HOST_IO_PROTOCOL *SDHostIo;
SDHostIo = CardData->SDHostIo;
if (CardData->CardType != MMCCard && CardData->CardType != MMCCardHighCap) {
CommandIndex |= AUTO_CMD12_ENABLE;
}
Status = SDHostIo->SendCommand (
SDHostIo,
CommandIndex,
Argument,
DataType,
Buffer,
BufferSize,
ResponseType,
TimeOut,
ResponseData
);
if (!EFI_ERROR (Status)) {
if (ResponseType == ResponseR1 || ResponseType == ResponseR1b) {
ASSERT(ResponseData != NULL);
Status = CheckCardStatus (*ResponseData);
}
} else {
SDHostIo->ResetSDHost (SDHostIo, Reset_DAT_CMD);
}
return Status;
}
/**
Send the card APP_CMD command with the following command indicated by CommandIndex
@param CardData Pointer to CARD_DATA.
@param CommandIndex The command index to set the command index field of command register.
@param Argument Command argument to set the argument field of command register.
@param DataType TRANSFER_TYPE, indicates no data, data in or data out.
@param Buffer Contains the data read from / write to the device.
@param BufferSize The size of the buffer.
@param ResponseType RESPONSE_TYPE.
@param TimeOut Time out value in 1 ms unit.
@param ResponseData Depending on the ResponseType, such as CSD or card status.
@retval EFI_SUCCESS
@retval EFI_INVALID_PARAMETER
@retval EFI_UNSUPPORTED
@retval EFI_DEVICE_ERROR
**/
EFI_STATUS
SendAppCommand (
IN CARD_DATA *CardData,
IN UINT16 CommandIndex,
IN UINT32 Argument,
IN TRANSFER_TYPE DataType,
IN UINT8 *Buffer, OPTIONAL
IN UINT32 BufferSize,
IN RESPONSE_TYPE ResponseType,
IN UINT32 TimeOut,
OUT UINT32 *ResponseData
)
{
EFI_STATUS Status;
EFI_SD_HOST_IO_PROTOCOL *SDHostIo;
UINT8 Index;
SDHostIo = CardData->SDHostIo;
Status = EFI_SUCCESS;
for (Index = 0; Index < 2; Index++) {
Status = SDHostIo->SendCommand (
SDHostIo,
APP_CMD,
(CardData->Address << 16),
NoData,
NULL,
0,
ResponseR1,
TIMEOUT_COMMAND,
(UINT32*)&(CardData->CardStatus)
);
if (!EFI_ERROR (Status)) {
Status = CheckCardStatus (*(UINT32*)&(CardData->CardStatus));
if (CardData->CardStatus.SAPP_CMD != 1) {
Status = EFI_DEVICE_ERROR;
}
if (!EFI_ERROR (Status)) {
break;
}
} else {
SDHostIo->ResetSDHost (SDHostIo, Reset_Auto);
}
}
if (EFI_ERROR (Status)) {
return Status;
}
if (CardData->CardType != MMCCard && CardData->CardType != MMCCardHighCap) {
CommandIndex |= AUTO_CMD12_ENABLE;
}
Status = SDHostIo->SendCommand (
SDHostIo,
CommandIndex,
Argument,
DataType,
Buffer,
BufferSize,
ResponseType,
TimeOut,
ResponseData
);
if (!EFI_ERROR (Status)) {
if (ResponseType == ResponseR1 || ResponseType == ResponseR1b) {
ASSERT(ResponseData != NULL);
Status = CheckCardStatus (*ResponseData);
}
} else {
SDHostIo->ResetSDHost (SDHostIo, Reset_Auto);
}
return Status;
}