Exemplo n.º 1
0
/**
  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;
}
Exemplo n.º 2
0
/**
  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;
}