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/*++
Copyright (c) 2006, Intel Corporation
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
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
Module Name:
WinNtSerialIo.h
Abstract:
--*/
#ifndef _WIN_NT_SERIAL_IO_
#define _WIN_NT_SERIAL_IO_
//
// The package level header files this module uses
//
#include <Uefi.h>
#include <WinNtDxe.h>
//
// The protocols, PPI and GUID defintions for this module
//
#include <Protocol/WinNtIo.h>
#include <Protocol/ComponentName.h>
#include <Protocol/SerialIo.h>
#include <Protocol/DriverBinding.h>
#include <Protocol/DevicePath.h>
//
// The Library classes this module consumes
//
#include <Library/DebugLib.h>
#include <Library/BaseLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/PcdLib.h>
#define SERIAL_MAX_BUFFER_SIZE 256
#define TIMEOUT_STALL_INTERVAL 10
typedef struct {
UINT32 First;
UINT32 Last;
UINT32 Surplus;
UINT8 Data[SERIAL_MAX_BUFFER_SIZE];
} SERIAL_DEV_FIFO;
#define WIN_NT_SERIAL_IO_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('N', 'T', 's', 'i')
typedef struct {
UINT64 Signature;
//
// Protocol data for the new handle we are going to add
//
EFI_HANDLE Handle;
EFI_SERIAL_IO_PROTOCOL SerialIo;
EFI_SERIAL_IO_MODE SerialIoMode;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
//
// Private Data
//
EFI_HANDLE ControllerHandle;
EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath;
UART_DEVICE_PATH UartDevicePath;
EFI_WIN_NT_THUNK_PROTOCOL *WinNtThunk;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
//
// Private NT type Data;
//
HANDLE NtHandle;
DCB NtDCB;
DWORD NtError;
COMSTAT NtComStatus;
BOOLEAN SoftwareLoopbackEnable;
BOOLEAN HardwareFlowControl;
BOOLEAN HardwareLoopbackEnable;
SERIAL_DEV_FIFO Fifo;
} WIN_NT_SERIAL_IO_PRIVATE_DATA;
#define WIN_NT_SERIAL_IO_PRIVATE_DATA_FROM_THIS(a) \
CR(a, WIN_NT_SERIAL_IO_PRIVATE_DATA, SerialIo, WIN_NT_SERIAL_IO_PRIVATE_DATA_SIGNATURE)
//
// Global Protocol Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gWinNtSerialIoDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gWinNtSerialIoComponentName;
//
// Macros to convert EFI serial types to NT serial types.
//
//
// one second
//
#define SERIAL_TIMEOUT_DEFAULT (1000 * 1000)
#define SERIAL_BAUD_DEFAULT 115200
#define SERIAL_FIFO_DEFAULT 14
#define SERIAL_DATABITS_DEFAULT 8
#define SERIAL_PARITY_DEFAULT DefaultParity
#define SERIAL_STOPBITS_DEFAULT DefaultStopBits
#define SERIAL_CONTROL_MASK (EFI_SERIAL_CLEAR_TO_SEND | \
EFI_SERIAL_DATA_SET_READY | \
EFI_SERIAL_RING_INDICATE | \
EFI_SERIAL_CARRIER_DETECT | \
EFI_SERIAL_REQUEST_TO_SEND | \
EFI_SERIAL_DATA_TERMINAL_READY | \
EFI_SERIAL_INPUT_BUFFER_EMPTY)
#define ConvertBaud2Nt(x) (DWORD) x
#define ConvertData2Nt(x) (BYTE) x
#define ConvertParity2Nt(x) \
(BYTE) ( \
x == DefaultParity ? NOPARITY : \
x == NoParity ? NOPARITY : \
x == EvenParity ? EVENPARITY : \
x == OddParity ? ODDPARITY : \
x == MarkParity ? MARKPARITY : \
x == SpaceParity ? SPACEPARITY : 0 \
)
#define ConvertStop2Nt(x) \
(BYTE) ( \
x == DefaultParity ? ONESTOPBIT : \
x == OneFiveStopBits ? ONE5STOPBITS : \
x == TwoStopBits ? TWOSTOPBITS : 0 \
)
#define ConvertTime2Nt(x) ((x) / 1000)
//
// 115400 baud with rounding errors
//
#define SERIAL_PORT_MAX_BAUD_RATE 115400
#define SERIAL_PORT_MIN_BAUD_RATE 50
#define SERIAL_PORT_MAX_RECEIVE_FIFO_DEPTH 16
#define SERIAL_PORT_MIN_TIMEOUT 1 // 1 uS
#define SERIAL_PORT_MAX_TIMEOUT 100000000 // 100 seconds
//
// Function Prototypes
//
EFI_STATUS
EFIAPI
InitializeWinNtSerialIo (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
TODO: Add function description
Arguments:
ImageHandle - TODO: add argument description
SystemTable - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Handle - TODO: add argument description
RemainingDevicePath - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Handle - TODO: add argument description
RemainingDevicePath - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Handle,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Handle - TODO: add argument description
NumberOfChildren - TODO: add argument description
ChildHandleBuffer - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoReset (
IN EFI_SERIAL_IO_PROTOCOL *This
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoSetAttributes (
IN EFI_SERIAL_IO_PROTOCOL *This,
IN UINT64 BaudRate,
IN UINT32 ReceiveFifoDepth,
IN UINT32 Timeout,
IN EFI_PARITY_TYPE Parity,
IN UINT8 DataBits,
IN EFI_STOP_BITS_TYPE StopBits
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
BaudRate - TODO: add argument description
ReceiveFifoDepth - TODO: add argument description
Timeout - TODO: add argument description
Parity - TODO: add argument description
DataBits - TODO: add argument description
StopBits - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoSetControl (
IN EFI_SERIAL_IO_PROTOCOL *This,
IN UINT32 Control
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Control - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoGetControl (
IN EFI_SERIAL_IO_PROTOCOL *This,
OUT UINT32 *Control
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
Control - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoWrite (
IN EFI_SERIAL_IO_PROTOCOL *This,
IN OUT UINTN *BufferSize,
IN VOID *Buffer
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
BufferSize - TODO: add argument description
Buffer - TODO: add argument description
Returns:
TODO: add return values
--*/
;
STATIC
EFI_STATUS
EFIAPI
WinNtSerialIoRead (
IN EFI_SERIAL_IO_PROTOCOL *This,
IN OUT UINTN *BufferSize,
OUT VOID *Buffer
)
/*++
Routine Description:
TODO: Add function description
Arguments:
This - TODO: add argument description
BufferSize - TODO: add argument description
Buffer - TODO: add argument description
Returns:
TODO: add return values
--*/
;
BOOLEAN
IsaSerialFifoFull (
IN SERIAL_DEV_FIFO *Fifo
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Fifo - TODO: add argument description
Returns:
TODO: add return values
--*/
;
BOOLEAN
IsaSerialFifoEmpty (
IN SERIAL_DEV_FIFO *Fifo
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Fifo - TODO: add argument description
Returns:
TODO: add return values
--*/
;
EFI_STATUS
IsaSerialFifoAdd (
IN SERIAL_DEV_FIFO *Fifo,
IN UINT8 Data
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Fifo - TODO: add argument description
Data - TODO: add argument description
Returns:
TODO: add return values
--*/
;
EFI_STATUS
IsaSerialFifoRemove (
IN SERIAL_DEV_FIFO *Fifo,
OUT UINT8 *Data
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Fifo - TODO: add argument description
Data - TODO: add argument description
Returns:
TODO: add return values
--*/
;
EFI_STATUS
IsaSerialReceiveTransmit (
WIN_NT_SERIAL_IO_PRIVATE_DATA *Private
)
/*++
Routine Description:
TODO: Add function description
Arguments:
Private - TODO: add argument description
Returns:
TODO: add return values
--*/
;
#endif
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