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MdePkg SerialPortLib: Upstream Get(Set)Control/SetAttributes interfaces 

The extended interfaces GetControl/SetControl/SetAttributes are from
EmbeddedPkg/Include/Library/SerialPortExtLib.h.

Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <liming.gao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18963 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Star Zeng 2015-11-26 08:46:52 +00:00 committed by lzeng14
parent d9b51b21e7
commit 8d9325deb7
2 changed files with 165 additions and 0 deletions
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80
MdePkg/Include/Library/SerialPortLib.h
View File

@ -2,6 +2,7 @@
This library class provides common serial I/O port functions.
Copyright (c) 2006 - 2015, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2012 - 2014, ARM Ltd. All rights reserved.
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@ -15,6 +16,9 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#ifndef __SERIAL_PORT_LIB__
#define __SERIAL_PORT_LIB__
#include <Uefi/UefiBaseType.h>
#include <Protocol/SerialIo.h>
/**
Initialize the serial device hardware.
@ -97,4 +101,80 @@ SerialPortPoll (
VOID
);
/**
Sets the control bits on a serial device.
@param Control Sets the bits of Control that are settable.
@retval RETURN_SUCCESS The new control bits were set on the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
@retval RETURN_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortSetControl (
IN UINT32 Control
);
/**
Retrieve the status of the control bits on a serial device.
@param Control A pointer to return the current control signals from the serial device.
@retval RETURN_SUCCESS The control bits were read from the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
@retval RETURN_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortGetControl (
OUT UINT32 *Control
);
/**
Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,
data bits, and stop bits on a serial device.
@param BaudRate The requested baud rate. A BaudRate value of 0 will use the
device's default interface speed.
On output, the value actually set.
@param ReveiveFifoDepth The requested depth of the FIFO on the receive side of the
serial interface. A ReceiveFifoDepth value of 0 will use
the device's default FIFO depth.
On output, the value actually set.
@param Timeout The requested time out for a single character in microseconds.
This timeout applies to both the transmit and receive side of the
interface. A Timeout value of 0 will use the device's default time
out value.
On output, the value actually set.
@param Parity The type of parity to use on this serial device. A Parity value of
DefaultParity will use the device's default parity value.
On output, the value actually set.
@param DataBits The number of data bits to use on the serial device. A DataBits
vaule of 0 will use the device's default data bit setting.
On output, the value actually set.
@param StopBits The number of stop bits to use on this serial device. A StopBits
value of DefaultStopBits will use the device's default number of
stop bits.
On output, the value actually set.
@retval RETURN_SUCCESS The new attributes were set on the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
@retval RETURN_INVALID_PARAMETER One or more of the attributes has an unsupported value.
@retval RETURN_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortSetAttributes (
IN OUT UINT64 *BaudRate,
IN OUT UINT32 *ReceiveFifoDepth,
IN OUT UINT32 *Timeout,
IN OUT EFI_PARITY_TYPE *Parity,
IN OUT UINT8 *DataBits,
IN OUT EFI_STOP_BITS_TYPE *StopBits
);
#endif

85
MdePkg/Library/BaseSerialPortLibNull/BaseSerialPortLibNull.c
View File

@ -110,3 +110,88 @@ SerialPortPoll (
return FALSE;
}
/**
Sets the control bits on a serial device.
@param Control Sets the bits of Control that are settable.
@retval RETURN_SUCCESS The new control bits were set on the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
@retval RETURN_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortSetControl (
IN UINT32 Control
)
{
return RETURN_UNSUPPORTED;
}
/**
Retrieve the status of the control bits on a serial device.
@param Control A pointer to return the current control signals from the serial device.
@retval RETURN_SUCCESS The control bits were read from the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
@retval RETURN_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortGetControl (
OUT UINT32 *Control
)
{
return RETURN_UNSUPPORTED;
}
/**
Sets the baud rate, receive FIFO depth, transmit/receice time out, parity,
data bits, and stop bits on a serial device.
@param BaudRate The requested baud rate. A BaudRate value of 0 will use the
device's default interface speed.
On output, the value actually set.
@param ReveiveFifoDepth The requested depth of the FIFO on the receive side of the
serial interface. A ReceiveFifoDepth value of 0 will use
the device's default FIFO depth.
On output, the value actually set.
@param Timeout The requested time out for a single character in microseconds.
This timeout applies to both the transmit and receive side of the
interface. A Timeout value of 0 will use the device's default time
out value.
On output, the value actually set.
@param Parity The type of parity to use on this serial device. A Parity value of
DefaultParity will use the device's default parity value.
On output, the value actually set.
@param DataBits The number of data bits to use on the serial device. A DataBits
vaule of 0 will use the device's default data bit setting.
On output, the value actually set.
@param StopBits The number of stop bits to use on this serial device. A StopBits
value of DefaultStopBits will use the device's default number of
stop bits.
On output, the value actually set.
@retval RETURN_SUCCESS The new attributes were set on the serial device.
@retval RETURN_UNSUPPORTED The serial device does not support this operation.
@retval RETURN_INVALID_PARAMETER One or more of the attributes has an unsupported value.
@retval RETURN_DEVICE_ERROR The serial device is not functioning correctly.
**/
RETURN_STATUS
EFIAPI
SerialPortSetAttributes (
IN OUT UINT64 *BaudRate,
IN OUT UINT32 *ReceiveFifoDepth,
IN OUT UINT32 *Timeout,
IN OUT EFI_PARITY_TYPE *Parity,
IN OUT UINT8 *DataBits,
IN OUT EFI_STOP_BITS_TYPE *StopBits
)
{
return RETURN_UNSUPPORTED;
}