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audk/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h

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/** @file
Header file for Terminal driver.
Copyright (c) 2006 - 2008, Intel Corporation. <BR>
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.
**/
#ifndef _TERMINAL_H_
#define _TERMINAL_H_
#include <PiDxe.h>
#include <Protocol/SimpleTextOut.h>
#include <Protocol/SerialIo.h>
#include <Guid/GlobalVariable.h>
#include <Protocol/DevicePath.h>
#include <Protocol/SimpleTextIn.h>
#include <Protocol/SimpleTextInEx.h>
#include <Guid/HotPlugDevice.h>
#include <Guid/PcAnsi.h>
#include <Library/DebugLib.h>
#include <Library/UefiDriverEntryPoint.h>
#include <Library/UefiLib.h>
#include <Library/ReportStatusCodeLib.h>
#include <Library/BaseMemoryLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/DevicePathLib.h>
#include <Library/PcdLib.h>
#include <Library/BaseLib.h>
#define RAW_FIFO_MAX_NUMBER 256
#define FIFO_MAX_NUMBER 128
typedef struct {
UINT8 Head;
UINT8 Tail;
UINT8 Data[RAW_FIFO_MAX_NUMBER + 1];
} RAW_DATA_FIFO;
typedef struct {
UINT8 Head;
UINT8 Tail;
UINT16 Data[FIFO_MAX_NUMBER + 1];
} UNICODE_FIFO;
typedef struct {
UINT8 Head;
UINT8 Tail;
EFI_INPUT_KEY Data[FIFO_MAX_NUMBER + 1];
} EFI_KEY_FIFO;
#define TERMINAL_DEV_SIGNATURE EFI_SIGNATURE_32 ('t', 'm', 'n', 'l')
#define TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE EFI_SIGNATURE_32 ('t', 'm', 'e', 'n')
typedef struct _TERMINAL_CONSOLE_IN_EX_NOTIFY {
UINTN Signature;
EFI_HANDLE NotifyHandle;
EFI_KEY_DATA KeyData;
EFI_KEY_NOTIFY_FUNCTION KeyNotificationFn;
LIST_ENTRY NotifyEntry;
} TERMINAL_CONSOLE_IN_EX_NOTIFY;
typedef struct {
UINTN Signature;
EFI_HANDLE Handle;
UINT8 TerminalType;
EFI_SERIAL_IO_PROTOCOL *SerialIo;
EFI_DEVICE_PATH_PROTOCOL *DevicePath;
EFI_SIMPLE_TEXT_INPUT_PROTOCOL SimpleInput;
EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL SimpleTextOutput;
EFI_SIMPLE_TEXT_OUTPUT_MODE SimpleTextOutputMode;
UINTN SerialInTimeOut;
RAW_DATA_FIFO RawFiFo;
UNICODE_FIFO UnicodeFiFo;
EFI_KEY_FIFO EfiKeyFiFo;
EFI_UNICODE_STRING_TABLE *ControllerNameTable;
EFI_EVENT TwoSecondTimeOut;
UINT32 InputState;
UINT32 ResetState;
//
// Esc could not be output to the screen by user,
// but the terminal driver need to output it to
// the terminal emulation software to send control sequence.
// This boolean is used by the terminal driver only
// to indicate whether the Esc could be sent or not.
//
BOOLEAN OutputEscChar;
EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL SimpleInputEx;
LIST_ENTRY NotifyList;
} TERMINAL_DEV;
#define INPUT_STATE_DEFAULT 0x00
#define INPUT_STATE_ESC 0x01
#define INPUT_STATE_CSI 0x02
#define INPUT_STATE_LEFTOPENBRACKET 0x04
#define INPUT_STATE_O 0x08
#define INPUT_STATE_2 0x10
#define RESET_STATE_DEFAULT 0x00
#define RESET_STATE_ESC_R 0x01
#define RESET_STATE_ESC_R_ESC_r 0x02
#define TERMINAL_CON_IN_DEV_FROM_THIS(a) CR (a, TERMINAL_DEV, SimpleInput, TERMINAL_DEV_SIGNATURE)
#define TERMINAL_CON_OUT_DEV_FROM_THIS(a) CR (a, TERMINAL_DEV, SimpleTextOutput, TERMINAL_DEV_SIGNATURE)
#define TERMINAL_CON_IN_EX_DEV_FROM_THIS(a) CR (a, TERMINAL_DEV, SimpleInputEx, TERMINAL_DEV_SIGNATURE)
typedef union {
UINT8 Utf8_1;
UINT8 Utf8_2[2];
UINT8 Utf8_3[3];
} UTF8_CHAR;
#define PCANSITYPE 0
#define VT100TYPE 1
#define VT100PLUSTYPE 2
#define VTUTF8TYPE 3
#define LEFTOPENBRACKET 0x5b // '['
#define ACAP 0x41
#define BCAP 0x42
#define CCAP 0x43
#define DCAP 0x44
#define MODE0_COLUMN_COUNT 80
#define MODE0_ROW_COUNT 25
#define MODE1_COLUMN_COUNT 80
#define MODE1_ROW_COUNT 50
#define MODE2_COLUMN_COUNT 100
#define MODE2_ROW_COUNT 31
#define BACKSPACE 8
#define ESC 27
#define CSI 0x9B
#define DEL 127
#define BRIGHT_CONTROL_OFFSET 2
#define FOREGROUND_CONTROL_OFFSET 6
#define BACKGROUND_CONTROL_OFFSET 11
#define ROW_OFFSET 2
#define COLUMN_OFFSET 5
typedef struct {
UINT16 Unicode;
CHAR8 PcAnsi;
CHAR8 Ascii;
} UNICODE_TO_CHAR;
//
// Global Variables
//
extern EFI_DRIVER_BINDING_PROTOCOL gTerminalDriverBinding;
extern EFI_COMPONENT_NAME_PROTOCOL gTerminalComponentName;
extern EFI_COMPONENT_NAME2_PROTOCOL gTerminalComponentName2;
extern EFI_GUID gSimpleTextInExNotifyGuid;
/**
The user Entry Point for module Terminal. The user code starts with this function.
@param[in] ImageHandle The firmware allocated handle for the EFI image.
@param[in] SystemTable A pointer to the EFI System Table.
@retval EFI_SUCCESS The entry point is executed successfully.
@retval other Some error occurs when executing this entry point.
**/
EFI_STATUS
EFIAPI
InitializeTerminal (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
;
/**
Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.Reset().
This driver only perform dependent serial device reset regardless of
the value of ExtendeVerification
@param This Indicates the calling context.
@param ExtendedVerification Skip by this driver.
@return EFI_SUCCESS
@return The reset operation succeeds.
@return EFI_DEVICE_ERROR
@return The dependent serial port reset fails.
**/
EFI_STATUS
EFIAPI
TerminalConInReset (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
;
/**
Implements EFI_SIMPLE_TEXT_INPUT_PROTOCOL.ReadKeyStroke().
@param This Indicates the calling context.
@param Key A pointer to a buffer that is filled in with the
keystroke information for the key that was sent
from terminal.
@return EFI_SUCCESS
@return The keystroke information is returned successfully.
@return EFI_NOT_READY
@return There is no keystroke data available.
@return EFI_DEVICE_ERROR
@return The dependent serial device encounters error.
**/
EFI_STATUS
EFIAPI
TerminalConInReadKeyStroke (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This,
OUT EFI_INPUT_KEY *Key
)
;
/**
@param RegsiteredData A pointer to a buffer that is filled in with the
keystroke state data for the key that was
registered.
@param InputData A pointer to a buffer that is filled in with the
keystroke state data for the key that was
pressed.
@retval TRUE Key be pressed matches a registered key.
@retval FLASE Match failed.
**/
BOOLEAN
IsKeyRegistered (
IN EFI_KEY_DATA *RegsiteredData,
IN EFI_KEY_DATA *InputData
)
;
/**
Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event
Signal the event if there is key available
@param Event Indicates the event that invoke this function.
@param Context Indicates the calling context.
@return none.
**/
VOID
EFIAPI
TerminalConInWaitForKeyEx (
IN EFI_EVENT Event,
IN VOID *Context
)
;
//
// Simple Text Input Ex protocol prototypes
//
/**
Reset the input device and optionaly run diagnostics
@param This Protocol instance pointer.
@param ExtendedVerification Driver may perform diagnostics on reset.
@retval EFI_SUCCESS The device was reset.
@retval EFI_DEVICE_ERROR The device is not functioning properly and could
not be reset.
**/
EFI_STATUS
EFIAPI
TerminalConInResetEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
;
/**
Reads the next keystroke from the input device. The WaitForKey Event can
be used to test for existance of a keystroke via WaitForEvent () call.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the
keystroke state data for the key that was
pressed.
@retval EFI_SUCCESS The keystroke information was returned.
@retval EFI_NOT_READY There was no keystroke data availiable.
@retval EFI_DEVICE_ERROR The keystroke information was not returned due
to hardware errors.
@retval EFI_INVALID_PARAMETER KeyData is NULL.
**/
EFI_STATUS
EFIAPI
TerminalConInReadKeyStrokeEx (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
OUT EFI_KEY_DATA *KeyData
)
;
/**
Set certain state for the input device.
@param This Protocol instance pointer.
@param KeyToggleState A pointer to the EFI_KEY_TOGGLE_STATE to set the
state for the input device.
@retval EFI_SUCCESS The device state was set successfully.
@retval EFI_DEVICE_ERROR The device is not functioning correctly and
could not have the setting adjusted.
@retval EFI_UNSUPPORTED The device does not have the ability to set its
state.
@retval EFI_INVALID_PARAMETER KeyToggleState is NULL.
**/
EFI_STATUS
EFIAPI
TerminalConInSetState (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_TOGGLE_STATE *KeyToggleState
)
;
/**
Register a notification function for a particular keystroke for the input device.
@param This Protocol instance pointer.
@param KeyData A pointer to a buffer that is filled in with the
keystroke information data for the key that was
pressed.
@param KeyNotificationFunction Points to the function to be called when the key
sequence is typed specified by KeyData.
@param NotifyHandle Points to the unique handle assigned to the
registered notification.
@retval EFI_SUCCESS The notification function was registered
successfully.
@retval EFI_OUT_OF_RESOURCES Unable to allocate resources for necesssary data
structures.
@retval EFI_INVALID_PARAMETER KeyData or NotifyHandle is NULL.
**/
EFI_STATUS
EFIAPI
TerminalConInRegisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_KEY_DATA *KeyData,
IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction,
OUT EFI_HANDLE *NotifyHandle
)
;
/**
Remove a registered notification function from a particular keystroke.
@param This Protocol instance pointer.
@param NotificationHandle The handle of the notification function being
unregistered.
@retval EFI_SUCCESS The notification function was unregistered
successfully.
@retval EFI_INVALID_PARAMETER The NotificationHandle is invalid.
@retval EFI_NOT_FOUND Can not find the matching entry in database.
**/
EFI_STATUS
EFIAPI
TerminalConInUnregisterKeyNotify (
IN EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL *This,
IN EFI_HANDLE NotificationHandle
)
;
/**
Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event
Signal the event if there is key available
@param Event Indicates the event that invoke this function.
@param Context Indicates the calling context.
@return None
**/
VOID
EFIAPI
TerminalConInWaitForKey (
IN EFI_EVENT Event,
IN VOID *Context
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.Reset().
If ExtendeVerification is TRUE, then perform dependent serial device reset,
and set display mode to mode 0.
If ExtendedVerification is FALSE, only set display mode to mode 0.
@param This Indicates the calling context.
@param ExtendedVerification Indicates that the driver may perform a more
exhaustive verification operation of the device
during reset.
@return EFI_SUCCESS
@return The reset operation succeeds.
@return EFI_DEVICE_ERROR
@return The terminal is not functioning correctly or the serial port reset fails.
**/
EFI_STATUS
EFIAPI
TerminalConOutReset (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN BOOLEAN ExtendedVerification
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.OutputString().
The Unicode string will be converted to terminal expressible data stream
and send to terminal via serial port.
@param This Indicates the calling context.
@param WString The Null-terminated Unicode string to be displayed
on the terminal screen.
@return EFI_SUCCESS The string is output successfully.
@return EFI_DEVICE_ERROR The serial port fails to send the string out.
@return EFI_WARN_UNKNOWN_GLYPH Indicates that some of the characters in the Unicode string could not
be rendered and are skipped.
@return EFI_UNSUPPORTED
**/
EFI_STATUS
EFIAPI
TerminalConOutOutputString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.TestString().
If one of the characters in the *Wstring is
neither valid Unicode drawing characters,
not ASCII code, then this function will return
EFI_UNSUPPORTED.
@param This Indicates the calling context.
@param WString The Null-terminated Unicode string to be tested.
@return EFI_SUCCESS The terminal is capable of rendering the output string.
@return EFI_UNSUPPORTED Some of the characters in the Unicode string cannot be rendered.
**/
EFI_STATUS
EFIAPI
TerminalConOutTestString (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN CHAR16 *WString
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.QueryMode().
It returns information for an available text mode
that the terminal supports.
In this driver, we support text mode 80x25 (mode 0),
80x50 (mode 1), 100x31 (mode 2).
@param This Indicates the calling context.
@param ModeNumber The mode number to return information on.
@param Columns The returned columns of the requested mode.
@param Rows The returned rows of the requested mode.
@return EFI_SUCCESS The requested mode information is returned.
@return EFI_UNSUPPORTED The mode number is not valid.
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
EFIAPI
TerminalConOutQueryMode (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN ModeNumber,
OUT UINTN *Columns,
OUT UINTN *Rows
)
;
/**
Implements EFI_SIMPLE_TEXT_OUT.SetMode().
Set the terminal to a specified display mode.
In this driver, we only support mode 0.
@param This Indicates the calling context.
@param ModeNumber The text mode to set.
@return EFI_SUCCESS The requested text mode is set.
@return EFI_DEVICE_ERROR The requested text mode cannot be set
because of serial device error.
@return EFI_UNSUPPORTED The text mode number is not valid.
**/
EFI_STATUS
EFIAPI
TerminalConOutSetMode (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN ModeNumber
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetAttribute().
@param This Indicates the calling context.
@param Attribute The attribute to set. Only bit0..6 are valid, all other bits
are undefined and must be zero.
@return EFI_SUCCESS The requested attribute is set.
@return EFI_DEVICE_ERROR The requested attribute cannot be set due to serial port error.
@return EFI_UNSUPPORTED The attribute requested is not defined by EFI spec.
**/
EFI_STATUS
EFIAPI
TerminalConOutSetAttribute (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN Attribute
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.ClearScreen().
It clears the ANSI terminal's display to the
currently selected background color.
@param This Indicates the calling context.
@return EFI_SUCCESS The operation completed successfully.
@return EFI_DEVICE_ERROR The terminal screen cannot be cleared due to serial port error.
@return EFI_UNSUPPORTED The terminal is not in a valid display mode.
**/
EFI_STATUS
EFIAPI
TerminalConOutClearScreen (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This
)
;
/**
Implements EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL.SetCursorPosition().
@param This Indicates the calling context.
@param Column The row to set cursor to.
@param Row The column to set cursor to.
@return EFI_SUCCESS The operation completed successfully.
@return EFI_DEVICE_ERROR The request fails due to serial port error.
@return EFI_UNSUPPORTED The terminal is not in a valid text mode, or the cursor position
is invalid for current mode.
**/
EFI_STATUS
EFIAPI
TerminalConOutSetCursorPosition (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN UINTN Column,
IN UINTN Row
)
;
/**
Implements SIMPLE_TEXT_OUTPUT.EnableCursor().
In this driver, the cursor cannot be hidden.
@param This Indicates the calling context.
@param Visible If TRUE, the cursor is set to be visible,
If FALSE, the cursor is set to be invisible.
@return EFI_SUCCESS The request is valid.
@return EFI_UNSUPPORTED The terminal does not support cursor hidden.
**/
EFI_STATUS
EFIAPI
TerminalConOutEnableCursor (
IN EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL *This,
IN BOOLEAN Visible
)
;
EFI_STATUS
EFIAPI
TerminalDriverBindingSupported (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
TerminalDriverBindingStart (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
);
EFI_STATUS
EFIAPI
TerminalDriverBindingStop (
IN EFI_DRIVER_BINDING_PROTOCOL *This,
IN EFI_HANDLE Controller,
IN UINTN NumberOfChildren,
IN EFI_HANDLE *ChildHandleBuffer
);
/**
Retrieves a Unicode string that is the user readable name of the driver.
This function retrieves the user readable name of a driver in the form of a
Unicode string. If the driver specified by This has a user readable name in
the language specified by Language, then a pointer to the driver name is
returned in DriverName, and EFI_SUCCESS is returned. If the driver specified
by This does not support the language specified by Language,
then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified
in RFC 3066 or ISO 639-2 language code format.
@param DriverName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
driver specified by This in the language
specified by Language.
@retval EFI_SUCCESS The Unicode string for the Driver specified by
This and the language specified by Language was
returned in DriverName.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER DriverName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
TerminalComponentNameGetDriverName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN CHAR8 *Language,
OUT CHAR16 **DriverName
);
/**
Retrieves a Unicode string that is the user readable name of the controller
that is being managed by a driver.
This function retrieves the user readable name of the controller specified by
ControllerHandle and ChildHandle in the form of a Unicode string. If the
driver specified by This has a user readable name in the language specified by
Language, then a pointer to the controller name is returned in ControllerName,
and EFI_SUCCESS is returned. If the driver specified by This is not currently
managing the controller specified by ControllerHandle and ChildHandle,
then EFI_UNSUPPORTED is returned. If the driver specified by This does not
support the language specified by Language, then EFI_UNSUPPORTED is returned.
@param This[in] A pointer to the EFI_COMPONENT_NAME2_PROTOCOL or
EFI_COMPONENT_NAME_PROTOCOL instance.
@param ControllerHandle[in] The handle of a controller that the driver
specified by This is managing. This handle
specifies the controller whose name is to be
returned.
@param ChildHandle[in] The handle of the child controller to retrieve
the name of. This is an optional parameter that
may be NULL. It will be NULL for device
drivers. It will also be NULL for a bus drivers
that wish to retrieve the name of the bus
controller. It will not be NULL for a bus
driver that wishes to retrieve the name of a
child controller.
@param Language[in] A pointer to a Null-terminated ASCII string
array indicating the language. This is the
language of the driver name that the caller is
requesting, and it must match one of the
languages specified in SupportedLanguages. The
number of languages supported by a driver is up
to the driver writer. Language is specified in
RFC 3066 or ISO 639-2 language code format.
@param ControllerName[out] A pointer to the Unicode string to return.
This Unicode string is the name of the
controller specified by ControllerHandle and
ChildHandle in the language specified by
Language from the point of view of the driver
specified by This.
@retval EFI_SUCCESS The Unicode string for the user readable name in
the language specified by Language for the
driver specified by This was returned in
DriverName.
@retval EFI_INVALID_PARAMETER ControllerHandle is not a valid EFI_HANDLE.
@retval EFI_INVALID_PARAMETER ChildHandle is not NULL and it is not a valid
EFI_HANDLE.
@retval EFI_INVALID_PARAMETER Language is NULL.
@retval EFI_INVALID_PARAMETER ControllerName is NULL.
@retval EFI_UNSUPPORTED The driver specified by This is not currently
managing the controller specified by
ControllerHandle and ChildHandle.
@retval EFI_UNSUPPORTED The driver specified by This does not support
the language specified by Language.
**/
EFI_STATUS
EFIAPI
TerminalComponentNameGetControllerName (
IN EFI_COMPONENT_NAME_PROTOCOL *This,
IN EFI_HANDLE ControllerHandle,
IN EFI_HANDLE ChildHandle OPTIONAL,
IN CHAR8 *Language,
OUT CHAR16 **ControllerName
);
//
// internal functions
//
/**
Check for a pending key in the Efi Key FIFO or Serial device buffer.
@param This Indicates the calling context.
@return EFI_SUCCESS
@return There is key pending.
@return EFI_NOT_READY
@return There is no key pending.
@return EFI_DEVICE_ERROR
**/
EFI_STATUS
TerminalConInCheckForKey (
IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This
)
;
VOID
TerminalUpdateConsoleDevVariable (
IN CHAR16 *VariableName,
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath
)
;
/**
Remove console device variable.
@param VariableName A pointer to the variable name.
@param ParentDevicePath A pointer to the parent device path.
@return None.
**/
VOID
TerminalRemoveConsoleDevVariable (
IN CHAR16 *VariableName,
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath
)
;
/**
Read the EFI variable (VendorGuid/Name) and return a dynamically allocated
buffer, and the size of the buffer. On failure return NULL.
@param Name String part of EFI variable name
@param VendorGuid GUID part of EFI variable name
@param VariableSize Returns the size of the EFI variable that was read
@return Dynamically allocated memory that contains a copy of the EFI variable.
@return Caller is repsoncible freeing the buffer.
@retval NULL Variable was not read
**/
VOID *
TerminalGetVariableAndSize (
IN CHAR16 *Name,
IN EFI_GUID *VendorGuid,
OUT UINTN *VariableSize
)
;
EFI_STATUS
SetTerminalDevicePath (
IN UINT8 TerminalType,
IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath,
OUT EFI_DEVICE_PATH_PROTOCOL **TerminalDevicePath
)
;
VOID
InitializeRawFiFo (
IN TERMINAL_DEV *TerminalDevice
)
;
VOID
InitializeUnicodeFiFo (
IN TERMINAL_DEV *TerminalDevice
)
;
VOID
InitializeEfiKeyFiFo (
IN TERMINAL_DEV *TerminalDevice
)
;
/**
Get one key out of serial buffer.
@param SerialIo Serial I/O protocl attached to the serial device.
@param Input The fetched key.
@return EFI_NOT_READY If serial buffer is empty.
@return EFI_DEVICE_ERROR If reading serial buffer encounter error.
@return EFI_SUCCESS If reading serial buffer successfully, put
the fetched key to the parameter output.
**/
EFI_STATUS
GetOneKeyFromSerial (
EFI_SERIAL_IO_PROTOCOL *SerialIo,
UINT8 *Input
)
;
/**
Insert one byte raw data into the Raw Data FIFO.
@param TerminalDevice Terminal driver private structure.
@param Input The key will be input.
@return TRUE If insert successfully.
@return FLASE If Raw Data buffer is full before key insertion,
and the key is lost.
**/
BOOLEAN
RawFiFoInsertOneKey (
TERMINAL_DEV *TerminalDevice,
UINT8 Input
)
;
/**
Remove one pre-fetched key out of the Raw Data FIFO.
@param TerminalDevice Terminal driver private structure.
@param Output The key will be removed.
@return TRUE If insert successfully.
@return FLASE If Raw Data FIFO buffer is empty before remove operation.
**/
BOOLEAN
RawFiFoRemoveOneKey (
TERMINAL_DEV *TerminalDevice,
UINT8 *Output
)
;
/**
Clarify whether Raw Data FIFO buffer is empty.
@param TerminalDevice Terminal driver private structure
@return TRUE If Raw Data FIFO buffer is empty.
@return FLASE If Raw Data FIFO buffer is not empty.
**/
BOOLEAN
IsRawFiFoEmpty (
TERMINAL_DEV *TerminalDevice
)
;
/**
Clarify whether Raw Data FIFO buffer is full.
@param TerminalDevice Terminal driver private structure
@return TRUE If Raw Data FIFO buffer is full.
@return FLASE If Raw Data FIFO buffer is not full.
**/
BOOLEAN
IsRawFiFoFull (
TERMINAL_DEV *TerminalDevice
)
;
/**
Insert one pre-fetched key into the FIFO buffer.
@param TerminalDevice Terminal driver private structure.
@param Key The key will be input.
@return TRUE If insert successfully.
@return FLASE If FIFO buffer is full before key insertion,
and the key is lost.
**/
BOOLEAN
EfiKeyFiFoInsertOneKey (
TERMINAL_DEV *TerminalDevice,
EFI_INPUT_KEY Key
)
;
/**
Remove one pre-fetched key out of the FIFO buffer.
@param TerminalDevice Terminal driver private structure.
@param Output The key will be removed.
@return TRUE If insert successfully.
@return FLASE If FIFO buffer is empty before remove operation.
**/
BOOLEAN
EfiKeyFiFoRemoveOneKey (
TERMINAL_DEV *TerminalDevice,
EFI_INPUT_KEY *Output
)
;
/**
Clarify whether FIFO buffer is empty.
@param TerminalDevice Terminal driver private structure
@return TRUE If FIFO buffer is empty.
@return FLASE If FIFO buffer is not empty.
**/
BOOLEAN
IsEfiKeyFiFoEmpty (
TERMINAL_DEV *TerminalDevice
)
;
/**
Clarify whether FIFO buffer is full.
@param TerminalDevice Terminal driver private structure
@return TRUE If FIFO buffer is full.
@return FLASE If FIFO buffer is not full.
**/
BOOLEAN
IsEfiKeyFiFoFull (
TERMINAL_DEV *TerminalDevice
)
;
/**
Insert one pre-fetched key into the Unicode FIFO buffer.
@param TerminalDevice Terminal driver private structure.
@param Input The key will be input.
@return TRUE If insert successfully.
@return FLASE If Unicode FIFO buffer is full before key insertion,
and the key is lost.
**/
BOOLEAN
UnicodeFiFoInsertOneKey (
TERMINAL_DEV *TerminalDevice,
UINT16 Input
)
;
/**
Remove one pre-fetched key out of the Unicode FIFO buffer.
@param TerminalDevice Terminal driver private structure.
@param Output The key will be removed.
@return TRUE If insert successfully.
@return FLASE If Unicode FIFO buffer is empty before remove operation.
**/
BOOLEAN
UnicodeFiFoRemoveOneKey (
TERMINAL_DEV *TerminalDevice,
UINT16 *Output
)
;
/**
Clarify whether Unicode FIFO buffer is empty.
@param TerminalDevice Terminal driver private structure
@return TRUE If Unicode FIFO buffer is empty.
@return FLASE If Unicode FIFO buffer is not empty.
**/
BOOLEAN
IsUnicodeFiFoEmpty (
TERMINAL_DEV *TerminalDevice
)
;
/**
Clarify whether Unicode FIFO buffer is full.
@param TerminalDevice Terminal driver private structure
@return TRUE If Unicode FIFO buffer is full.
@return FLASE If Unicode FIFO buffer is not full.
**/
BOOLEAN
IsUnicodeFiFoFull (
TERMINAL_DEV *TerminalDevice
)
;
UINT8
UnicodeFiFoGetKeyCount (
TERMINAL_DEV *TerminalDevice
)
;
VOID
TranslateRawDataToEfiKey (
IN TERMINAL_DEV *TerminalDevice
)
;
//
// internal functions for PC ANSI
//
VOID
AnsiRawDataToUnicode (
IN TERMINAL_DEV *PcAnsiDevice
)
;
VOID
UnicodeToEfiKey (
IN TERMINAL_DEV *PcAnsiDevice
)
;
EFI_STATUS
AnsiTestString (
IN TERMINAL_DEV *TerminalDevice,
IN CHAR16 *WString
)
;
//
// internal functions for VTUTF8
//
VOID
VTUTF8RawDataToUnicode (
IN TERMINAL_DEV *VtUtf8Device
)
;
EFI_STATUS
VTUTF8TestString (
IN TERMINAL_DEV *TerminalDevice,
IN CHAR16 *WString
)
;
VOID
UnicodeToUtf8 (
IN CHAR16 Unicode,
OUT UTF8_CHAR *Utf8Char,
OUT UINT8 *ValidBytes
)
;
VOID
GetOneValidUtf8Char (
IN TERMINAL_DEV *Utf8Device,
OUT UTF8_CHAR *Utf8Char,
OUT UINT8 *ValidBytes
)
;
VOID
Utf8ToUnicode (
IN UTF8_CHAR Utf8Char,
IN UINT8 ValidBytes,
OUT CHAR16 *UnicodeChar
)
;
//
// functions for boxdraw unicode
//
BOOLEAN
TerminalIsValidTextGraphics (
IN CHAR16 Graphic,
OUT CHAR8 *PcAnsi, OPTIONAL
OUT CHAR8 *Ascii OPTIONAL
)
;
BOOLEAN
TerminalIsValidAscii (
IN CHAR16 Ascii
)
;
BOOLEAN
TerminalIsValidEfiCntlChar (
IN CHAR16 CharC
)
;
#endif
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