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Coding style modification.

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git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5058 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
klu2
2008-04-14 03:12:57 +00:00
parent e1a09a0eaa
commit bcd7041487
61 changed files with 3405 additions and 4718 deletions
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468
IntelFrameworkModulePkg/Bus/Isa/IsaSerialDxe/Serial.c
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@@ -1,5 +1,5 @@
/**@file
Serial driver for standard UARTS on an ISA bus.
Serial driver for standard UARTS on an ISA bus.
Copyright (c) 2006 - 2007, Intel Corporation<BR>
All rights reserved. This program and the accompanying materials
@@ -122,7 +122,16 @@ InitializeIsaSerial (
return Status;
}
/**
Check to see if this driver supports the given controller
@param This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param Controller - The handle of the controller to test.
@param RemainingDevicePath - A pointer to the remaining portion of a device path.
@return EFI_SUCCESS - This driver can support the given controller
**/
EFI_STATUS
EFIAPI
SerialControllerDriverSupported (
@@ -130,23 +139,7 @@ SerialControllerDriverSupported (
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Check to see if this driver supports the given controller
Arguments:
This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
Controller - The handle of the controller to test.
RemainingDevicePath - A pointer to the remaining portion of a device path.
Returns:
EFI_SUCCESS - This driver can support the given controller
--*/
{
EFI_STATUS Status;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
@@ -265,6 +258,16 @@ Error:
return Status;
}
/**
Start to management the controller passed in
@param This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param Controller - The handle of the controller to test.
@param RemainingDevicePath - A pointer to the remaining portion of a device path.
@return EFI_SUCCESS - Driver is started successfully
**/
EFI_STATUS
EFIAPI
SerialControllerDriverStart (
@@ -272,23 +275,7 @@ SerialControllerDriverStart (
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
Start to management the controller passed in
Arguments:
This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
Controller - The handle of the controller to test.
RemainingDevicePath - A pointer to the remaining portion of a device path.
Returns:
EFI_SUCCESS - Driver is started successfully
--*/
{
EFI_STATUS Status;
EFI_ISA_IO_PROTOCOL *IsaIo;
@@ -527,6 +514,18 @@ Error:
return Status;
}
/**
Disconnect this driver with the controller, uninstall related protocol instance
@param This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
@param Controller - The handle of the controller to test.
@param NumberOfChildren - Number of child device.
@param RemainingDevicePath - A pointer to the remaining portion of a device path.
@retval EFI_SUCCESS - Operation successfully
@retval EFI_DEVICE_ERROR - Cannot stop the driver successfully
**/
EFI_STATUS
EFIAPI
SerialControllerDriverStop (
@@ -535,25 +534,7 @@ SerialControllerDriverStop (
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
Disconnect this driver with the controller, uninstall related protocol instance
Arguments:
This - A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
Controller - The handle of the controller to test.
NumberOfChildren - Number of child device.
RemainingDevicePath - A pointer to the remaining portion of a device path.
Returns:
EFI_SUCCESS - Operation successfully
EFI_DEVICE_ERROR - Cannot stop the driver successfully
--*/
{
EFI_STATUS Status;
UINTN Index;
@@ -664,26 +645,19 @@ SerialControllerDriverStop (
return EFI_SUCCESS;
}
/**
Detect whether specific FIFO is full or not
@param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
@return whether specific FIFO is full or not
**/
BOOLEAN
IsaSerialFifoFull (
IN SERIAL_DEV_FIFO *Fifo
)
/*++
Routine Description:
Detect whether specific FIFO is full or not
Arguments:
Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
Returns:
TRUE - the FIFO is full
FALSE - the FIFO is not full
--*/
{
if (Fifo->Surplus == 0) {
return TRUE;
@@ -692,26 +666,20 @@ IsaSerialFifoFull (
return FALSE;
}
/**
Detect whether specific FIFO is empty or not
@param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
@return whether specific FIFO is empty or not
**/
BOOLEAN
IsaSerialFifoEmpty (
IN SERIAL_DEV_FIFO *Fifo
)
/*++
Routine Description:
Detect whether specific FIFO is empty or not
Arguments:
Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
Returns:
TRUE - the FIFO is empty
FALSE - the FIFO is not empty
--*/
{
if (Fifo->Surplus == SERIAL_MAX_BUFFER_SIZE) {
return TRUE;
@@ -720,28 +688,22 @@ IsaSerialFifoEmpty (
return FALSE;
}
/**
Add data to specific FIFO
@param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
@param Data - the data added to FIFO
@retval EFI_SUCCESS - Add data to specific FIFO successfully
@retval EFI_OUT_OF_RESOURCE - Failed to add data because FIFO is already full
**/
EFI_STATUS
IsaSerialFifoAdd (
IN SERIAL_DEV_FIFO *Fifo,
IN UINT8 Data
)
/*++
Routine Description:
Add data to specific FIFO
Arguments:
Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
Data - the data added to FIFO
Returns:
EFI_SUCCESS - Add data to specific FIFO successfully
EFI_OUT_OF_RESOURCE - Failed to add data because FIFO is already full
--*/
{
//
// if FIFO full can not add data
@@ -762,27 +724,22 @@ IsaSerialFifoAdd (
return EFI_SUCCESS;
}
/**
Remove data from specific FIFO
@param Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
@param Data - the data removed from FIFO
@retval EFI_SUCCESS - Remove data from specific FIFO successfully
@retval EFI_OUT_OF_RESOURCE - Failed to remove data because FIFO is empty
**/
EFI_STATUS
IsaSerialFifoRemove (
IN SERIAL_DEV_FIFO *Fifo,
OUT UINT8 *Data
)
/*++
Routine Description:
Remove data from specific FIFO
Arguments:
Fifo - A pointer to the Data Structure SERIAL_DEV_FIFO
Data - the data removed from FIFO
Returns:
EFI_SUCCESS - Remove data from specific FIFO successfully
EFI_OUT_OF_RESOURCE - Failed to remove data because FIFO is empty
--*/
{
//
// if FIFO is empty, no data can remove
@@ -803,27 +760,21 @@ IsaSerialFifoRemove (
return EFI_SUCCESS;
}
/**
Reads and writes all avaliable data.
@param SerialDevice - The device to flush
@retval EFI_SUCCESS - Data was read/written successfully.
@retval EFI_OUT_OF_RESOURCE - Failed because software receive FIFO is full. Note, when
this happens, pending writes are not done.
**/
EFI_STATUS
IsaSerialReceiveTransmit (
IN SERIAL_DEV *SerialDevice
)
/*++
Routine Description:
Reads and writes all avaliable data.
Arguments:
SerialDevice - The device to flush
Returns:
EFI_SUCCESS - Data was read/written successfully.
EFI_OUT_OF_RESOURCE - Failed because software receive FIFO is full. Note, when
this happens, pending writes are not done.
--*/
{
SERIAL_PORT_LSR Lsr;
UINT8 Data;
@@ -968,30 +919,24 @@ IsaSerialReceiveTransmit (
return EFI_SUCCESS;
}
//
// Interface Functions
//
/**
Reset serial device
@param This - Pointer to EFI_SERIAL_IO_PROTOCOL
@retval EFI_SUCCESS - Reset successfully
@retval EFI_DEVICE_ERROR - Failed to reset
**/
EFI_STATUS
EFIAPI
IsaSerialReset (
IN EFI_SERIAL_IO_PROTOCOL *This
)
/*++
Routine Description:
Reset serial device
Arguments:
This - Pointer to EFI_SERIAL_IO_PROTOCOL
Returns:
EFI_SUCCESS - Reset successfully
EFI_DEVICE_ERROR - Failed to reset
--*/
{
EFI_STATUS Status;
SERIAL_DEV *SerialDevice;
@@ -1106,6 +1051,23 @@ IsaSerialReset (
return EFI_SUCCESS;
}
/**
Set new attributes to a serial device
@param This - Pointer to EFI_SERIAL_IO_PROTOCOL
@param BaudRate - The baudrate of the serial device
@param ReceiveFifoDepth - The depth of receive FIFO buffer
@param Timeout - The request timeout for a single char
@param Parity - The type of parity used in serial device
@param DataBits - Number of databits used in serial device
@param StopBits - Number of stopbits used in serial device
@retval EFI_SUCCESS - The new attributes were set
@retval EFI_INVALID_PARAMETERS - One or more attributes have an unsupported value
@retval EFI_UNSUPPORTED - Data Bits can not set to 5 or 6
@retval EFI_DEVICE_ERROR - The serial device is not functioning correctly (no return)
**/
EFI_STATUS
EFIAPI
IsaSerialSetAttributes (
@@ -1117,30 +1079,6 @@ IsaSerialSetAttributes (
IN UINT8 DataBits,
IN EFI_STOP_BITS_TYPE StopBits
)
/*++
Routine Description:
Set new attributes to a serial device
Arguments:
This - Pointer to EFI_SERIAL_IO_PROTOCOL
BaudRate - The baudrate of the serial device
ReceiveFifoDepth - The depth of receive FIFO buffer
Timeout - The request timeout for a single char
Parity - The type of parity used in serial device
DataBits - Number of databits used in serial device
StopBits - Number of stopbits used in serial device
Returns:
EFI_SUCCESS - The new attributes were set
EFI_INVALID_PARAMETERS - One or more attributes have an unsupported value
EFI_UNSUPPORTED - Data Bits can not set to 5 or 6
EFI_DEVICE_ERROR - The serial device is not functioning correctly (no return)
--*/
{
EFI_STATUS Status;
SERIAL_DEV *SerialDevice;
@@ -1424,29 +1362,22 @@ IsaSerialSetAttributes (
return EFI_SUCCESS;
}
/**
Set Control Bits
@param This - Pointer to EFI_SERIAL_IO_PROTOCOL
@param Control - Control bits that can be settable
@retval EFI_SUCCESS - New Control bits were set successfully
@retval EFI_UNSUPPORTED - The Control bits wanted to set are not supported
**/
EFI_STATUS
EFIAPI
IsaSerialSetControl (
IN EFI_SERIAL_IO_PROTOCOL *This,
IN UINT32 Control
)
/*++
Routine Description:
Set Control Bits
Arguments:
This - Pointer to EFI_SERIAL_IO_PROTOCOL
Control - Control bits that can be settable
Returns:
EFI_SUCCESS - New Control bits were set successfully
EFI_UNSUPPORTED - The Control bits wanted to set are not supported
--*/
{
SERIAL_DEV *SerialDevice;
SERIAL_PORT_MCR Mcr;
@@ -1504,28 +1435,21 @@ IsaSerialSetControl (
return EFI_SUCCESS;
}
/**
Get ControlBits
@param This - Pointer to EFI_SERIAL_IO_PROTOCOL
@param Control - Control signals of the serial device
@retval EFI_SUCCESS - Get Control signals successfully
**/
EFI_STATUS
EFIAPI
IsaSerialGetControl (
IN EFI_SERIAL_IO_PROTOCOL *This,
OUT UINT32 *Control
)
/*++
Routine Description:
Get ControlBits
Arguments:
This - Pointer to EFI_SERIAL_IO_PROTOCOL
Control - Control signals of the serial device
Returns:
EFI_SUCCESS - Get Control signals successfully
--*/
{
SERIAL_DEV *SerialDevice;
SERIAL_PORT_MSR Msr;
@@ -1604,6 +1528,19 @@ IsaSerialGetControl (
return EFI_SUCCESS;
}
/**
Write the specified number of bytes to serial device
@param This - Pointer to EFI_SERIAL_IO_PROTOCOL
@param BufferSize - On input the size of Buffer, on output the amount of
data actually written
@param Buffer - The buffer of data to write
@retval EFI_SUCCESS - The data were written successfully
@retval EFI_DEVICE_ERROR - The device reported an error
@retval EFI_TIMEOUT - The write operation was stopped due to timeout
**/
EFI_STATUS
EFIAPI
IsaSerialWrite (
@@ -1611,26 +1548,6 @@ IsaSerialWrite (
IN OUT UINTN *BufferSize,
IN VOID *Buffer
)
/*++
Routine Description:
Write the specified number of bytes to serial device
Arguments:
This - Pointer to EFI_SERIAL_IO_PROTOCOL
BufferSize - On input the size of Buffer, on output the amount of
data actually written
Buffer - The buffer of data to write
Returns:
EFI_SUCCESS - The data were written successfully
EFI_DEVICE_ERROR - The device reported an error
EFI_TIMEOUT - The write operation was stopped due to timeout
--*/
{
SERIAL_DEV *SerialDevice;
UINT8 *CharBuffer;
@@ -1692,6 +1609,19 @@ IsaSerialWrite (
return EFI_SUCCESS;
}
/**
Read the specified number of bytes from serial device
@param This - Pointer to EFI_SERIAL_IO_PROTOCOL
@param BufferSize - On input the size of Buffer, on output the amount of
data returned in buffer
@param Buffer - The buffer to return the data into
@retval EFI_SUCCESS - The data were read successfully
@retval EFI_DEVICE_ERROR - The device reported an error
@retval EFI_TIMEOUT - The read operation was stopped due to timeout
**/
EFI_STATUS
EFIAPI
IsaSerialRead (
@@ -1699,26 +1629,6 @@ IsaSerialRead (
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
)
/*++
Routine Description:
Read the specified number of bytes from serial device
Arguments:
This - Pointer to EFI_SERIAL_IO_PROTOCOL
BufferSize - On input the size of Buffer, on output the amount of
data returned in buffer
Buffer - The buffer to return the data into
Returns:
EFI_SUCCESS - The data were read successfully
EFI_DEVICE_ERROR - The device reported an error
EFI_TIMEOUT - The read operation was stopped due to timeout
--*/
{
SERIAL_DEV *SerialDevice;
UINT32 Index;
@@ -1793,26 +1703,18 @@ IsaSerialRead (
return EFI_SUCCESS;
}
/**
Use scratchpad register to test if this serial port is present
@param SerialDevice - Pointer to serial device structure
@return if this serial port is present
**/
BOOLEAN
IsaSerialPortPresent (
IN SERIAL_DEV *SerialDevice
)
/*++
Routine Description:
Use scratchpad register to test if this serial port is present
Arguments:
SerialDevice - Pointer to serial device structure
Returns:
TRUE - The serial port is present
FALSE - The serial port is NOT present
--*/
{
UINT8 Temp;
BOOLEAN Status;
@@ -1845,29 +1747,22 @@ IsaSerialPortPresent (
return Status;
}
/**
Use IsaIo protocol to read serial port
@param IsaIo - Pointer to EFI_ISA_IO_PROTOCOL instance
@param BaseAddress - Serial port register group base address
@param Offset - Offset in register group
@return Data read from serial port
**/
UINT8
IsaSerialReadPort (
IN EFI_ISA_IO_PROTOCOL *IsaIo,
IN UINT16 BaseAddress,
IN UINT32 Offset
)
/*++
Routine Description:
Use IsaIo protocol to read serial port
Arguments:
IsaIo - Pointer to EFI_ISA_IO_PROTOCOL instance
BaseAddress - Serial port register group base address
Offset - Offset in register group
Returns:
Data read from serial port
--*/
{
UINT8 Data;
@@ -1884,6 +1779,15 @@ IsaSerialReadPort (
return Data;
}
/**
Use IsaIo protocol to write serial port
@param IsaIo - Pointer to EFI_ISA_IO_PROTOCOL instance
@param BaseAddress - Serial port register group base address
@param Offset - Offset in register group
@param Data - data which is to be written to some serial port register
**/
VOID
IsaSerialWritePort (
IN EFI_ISA_IO_PROTOCOL *IsaIo,
@@ -1891,24 +1795,6 @@ IsaSerialWritePort (
IN UINT32 Offset,
IN UINT8 Data
)
/*++
Routine Description:
Use IsaIo protocol to write serial port
Arguments:
IsaIo - Pointer to EFI_ISA_IO_PROTOCOL instance
BaseAddress - Serial port register group base address
Offset - Offset in register group
Data - data which is to be written to some serial port register
Returns:
None
--*/
{
//
// Use IsaIo to access IO