X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=MdeModulePkg%2FUniversal%2FConsole%2FTerminalDxe%2FTerminal.h;h=1aedfee78856e858f6610336bcbb22f721c377c1;hp=86808bbc56f716eca1ff58e188601a5e6dc0d42f;hb=f3f2e05db8c89628498ec4efdb16184747824c63;hpb=fb0b259e4e440577dcd6ba6722c252d90605b3e9 diff --git a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h index 86808bbc56..1aedfee788 100644 --- a/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h +++ b/MdeModulePkg/Universal/Console/TerminalDxe/Terminal.h @@ -12,11 +12,11 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. **/ -#ifndef _TERMINAL_H -#define _TERMINAL_H +#ifndef _TERMINAL_H_ +#define _TERMINAL_H_ -#include +#include #include #include #include @@ -59,9 +59,9 @@ typedef struct { EFI_INPUT_KEY Data[FIFO_MAX_NUMBER + 1]; } EFI_KEY_FIFO; -#define TERMINAL_DEV_SIGNATURE EFI_SIGNATURE_32 ('t', 'm', 'n', 'l') +#define TERMINAL_DEV_SIGNATURE SIGNATURE_32 ('t', 'm', 'n', 'l') -#define TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE EFI_SIGNATURE_32 ('t', 'm', 'e', 'n') +#define TERMINAL_CONSOLE_IN_EX_NOTIFY_SIGNATURE SIGNATURE_32 ('t', 'm', 'e', 'n') typedef struct _TERMINAL_CONSOLE_IN_EX_NOTIFY { UINTN Signature; @@ -121,10 +121,10 @@ typedef union { UINT8 Utf8_3[3]; } UTF8_CHAR; -#define PcAnsiType 0 -#define VT100Type 1 -#define VT100PlusType 2 -#define VTUTF8Type 3 +#define PCANSITYPE 0 +#define VT100TYPE 1 +#define VT100PLUSTYPE 2 +#define VTUTF8TYPE 3 #define LEFTOPENBRACKET 0x5b // '[' #define ACAP 0x41 @@ -165,144 +165,187 @@ extern EFI_COMPONENT_NAME_PROTOCOL gTerminalComponentName; extern EFI_COMPONENT_NAME2_PROTOCOL gTerminalComponentName2; extern EFI_GUID gSimpleTextInExNotifyGuid; -// -// Prototypes -// + +/** + 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 The reset operation succeeds. + @return EFI_DEVICE_ERROR 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 The keystroke information is returned successfully. + @return EFI_NOT_READY There is no keystroke data available. + @return EFI_DEVICE_ERROR The dependent serial device encounters error. + +**/ EFI_STATUS EFIAPI TerminalConInReadKeyStroke ( IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This, OUT EFI_INPUT_KEY *Key - ) -; + ); +/** + Check if the key already has been registered. + + @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 - ) -/*++ - -Routine Description: - -Arguments: + ); - RegsiteredData - A pointer to a buffer that is filled in with the keystroke - state data for the key that was registered. - InputData - A pointer to a buffer that is filled in with the keystroke - state data for the key that was pressed. +/** + Event notification function for EFI_SIMPLE_TEXT_INPUT_EX_PROTOCOL.WaitForKeyEx event + Signal the event if there is key available -Returns: - TRUE - Key be pressed matches a registered key. - FLASE - Match failed. + @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 - ) -/*++ - - Routine Description: - Reset the input device and optionaly run diagnostics + ); - Arguments: - This - Protocol instance pointer. - ExtendedVerification - Driver may perform diagnostics on reset. +/** + Reads the next keystroke from the input device. The WaitForKey Event can + be used to test for existance of a keystroke via WaitForEvent () call. - Returns: - EFI_SUCCESS - The device was reset. - EFI_DEVICE_ERROR - The device is not functioning properly and could - not be reset. + @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 - ) -/*++ - - Routine Description: - Reads the next keystroke from the input device. The WaitForKey Event can - be used to test for existance of a keystroke via WaitForEvent () call. + ); - Arguments: - This - Protocol instance pointer. - KeyData - A pointer to a buffer that is filled in with the keystroke - state data for the key that was pressed. +/** + Set certain state for the input device. - Returns: - EFI_SUCCESS - The keystroke information was returned. - EFI_NOT_READY - There was no keystroke data availiable. - EFI_DEVICE_ERROR - The keystroke information was not returned due to - hardware errors. - EFI_INVALID_PARAMETER - KeyData is NULL. + @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 - ) -/*++ - - Routine Description: - Set certain state for the input device. - - Arguments: - This - Protocol instance pointer. - KeyToggleState - A pointer to the EFI_KEY_TOGGLE_STATE to set the - state for the input device. - - Returns: - EFI_SUCCESS - The device state was set successfully. - EFI_DEVICE_ERROR - The device is not functioning correctly and could - not have the setting adjusted. - EFI_UNSUPPORTED - The device does not have the ability to set its state. - EFI_INVALID_PARAMETER - KeyToggleState is NULL. + ); ---*/ -; +/** + 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 ( @@ -310,83 +353,128 @@ TerminalConInRegisterKeyNotify ( IN EFI_KEY_DATA *KeyData, IN EFI_KEY_NOTIFY_FUNCTION KeyNotificationFunction, OUT EFI_HANDLE *NotifyHandle - ) -/*++ - - Routine Description: - Register a notification function for a particular keystroke for the input device. + ); - Arguments: - This - Protocol instance pointer. - KeyData - A pointer to a buffer that is filled in with the keystroke - information data for the key that was pressed. - KeyNotificationFunction - Points to the function to be called when the key - sequence is typed specified by KeyData. - NotifyHandle - Points to the unique handle assigned to the registered notification. +/** + Remove a registered notification function from a particular keystroke. - Returns: - EFI_SUCCESS - The notification function was registered successfully. - EFI_OUT_OF_RESOURCES - Unable to allocate resources for necesssary data structures. - EFI_INVALID_PARAMETER - KeyData or NotifyHandle is NULL. + @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 - ) -/*++ - - Routine Description: - Remove a registered notification function from a particular keystroke. + ); - Arguments: - This - Protocol instance pointer. - NotificationHandle - The handle of the notification function being unregistered. +/** + Event notification function for EFI_SIMPLE_TEXT_INPUT_PROTOCOL.WaitForKey event + Signal the event if there is key available - Returns: - EFI_SUCCESS - The notification function was unregistered successfully. - EFI_INVALID_PARAMETER - The NotificationHandle is invalid. - EFI_NOT_FOUND - Can not find the matching entry in database. + @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 The reset operation succeeds. + @return EFI_DEVICE_ERROR 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. + + @retval EFI_SUCCESS The string is output successfully. + @retval EFI_DEVICE_ERROR The serial port fails to send the string out. + @retval EFI_WARN_UNKNOWN_GLYPH Indicates that some of the characters in the Unicode string could not + be rendered and are skipped. + @retval EFI_UNSUPPORTED If current display mode is out of range. +**/ 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 ( @@ -394,57 +482,143 @@ TerminalConOutQueryMode ( 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 - ) -; + ); + +/** + Test to see if this driver supports Controller. + + @param This Protocol instance pointer. + @param ControllerHandle Handle of device to test + @param RemainingDevicePath Optional parameter use to pick a specific child + device to start. + + @retval EFI_SUCCESS This driver supports this device. + @retval EFI_ALREADY_STARTED This driver is already running on this device. + @retval other This driver does not support this device. +**/ EFI_STATUS EFIAPI TerminalDriverBindingSupported ( IN EFI_DRIVER_BINDING_PROTOCOL *This, - IN EFI_HANDLE Controller, + IN EFI_HANDLE ControllerHandle, IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath ); +/** + Start this driver on Controller by opening a Serial IO protocol, + reading Device Path, and creating a child handle with a Simple Text In, + Simple Text In Ex and Simple Text Out protocol, and device path protocol. + And store Console Device Environment Variables. + + @param This Protocol instance pointer. + @param Controller Handle of device to bind driver to + @param RemainingDevicePath Optional parameter use to pick a specific child + device to start. + + @retval EFI_SUCCESS This driver is added to Controller. + @retval EFI_ALREADY_STARTED This driver is already running on Controller. + @retval other This driver does not support this device. + +**/ EFI_STATUS EFIAPI TerminalDriverBindingStart ( @@ -453,6 +627,22 @@ TerminalDriverBindingStart ( IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath ); + +/** + Stop this driver on Controller by closing Simple Text In, Simple Text + In Ex, Simple Text Out protocol, and removing parent device path from + Console Device Environment Variables. + + @param This Protocol instance pointer. + @param Controller Handle of device to stop driver on + @param NumberOfChildren Number of Handles in ChildHandleBuffer. If number of + children is zero stop the entire bus driver. + @param ChildHandleBuffer List of Child Handles to Stop. + + @retval EFI_SUCCESS This driver is removed Controller. + @retval other This driver could not be removed from this device. + +**/ EFI_STATUS EFIAPI TerminalDriverBindingStop ( @@ -592,260 +782,610 @@ TerminalComponentNameGetControllerName ( // // internal functions // + +/** + Check for a pending key in the Efi Key FIFO or Serial device buffer. + + @param This Indicates the calling context. + + @retval EFI_SUCCESS There is key pending. + @retval EFI_NOT_READY There is no key pending. + @retval EFI_DEVICE_ERROR If Serial IO is not attched to serial device. + +**/ EFI_STATUS TerminalConInCheckForKey ( IN EFI_SIMPLE_TEXT_INPUT_PROTOCOL *This - ) -; + ); +/** + Update terminal device path in Console Device Environment Variables. + + @param VariableName The Console Device Environment Variable. + @param ParentDevicePath The terminal devcie path to be updated. + + @return None. + +**/ 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. + Caller is repsoncible freeing the buffer. If variable was not read, + NULL regturned. + +**/ VOID * TerminalGetVariableAndSize ( IN CHAR16 *Name, IN EFI_GUID *VendorGuid, OUT UINTN *VariableSize - ) -; + ); + +/** + Build termial device path according to terminal type. + + @param TerminalType The terminal type is PC ANSI, VT100, VT100+ or VT-UTF8. + @param ParentDevicePath Parent devcie path. + @param TerminalDevicePath Returned terminal device path, if building successfully. + + @retval EFI_UNSUPPORTED Terminal does not belong to the supported type. + @retval EFI_OUT_OF_RESOURCES Generate terminal device path failed. + @retval EFI_SUCCESS Build terminal device path successfully. +**/ EFI_STATUS SetTerminalDevicePath ( IN UINT8 TerminalType, IN EFI_DEVICE_PATH_PROTOCOL *ParentDevicePath, OUT EFI_DEVICE_PATH_PROTOCOL **TerminalDevicePath - ) -; + ); + +/** + Initialize the Raw Data FIFO. + + @param TerminalDevice The terminal device. + @return None. + +**/ VOID InitializeRawFiFo ( IN TERMINAL_DEV *TerminalDevice - ) -; + ); + +/** + Initialize the Unicode FIFO. + @param TerminalDevice The terminal device. + + @return None. + +**/ VOID InitializeUnicodeFiFo ( IN TERMINAL_DEV *TerminalDevice - ) -; + ); + +/** + Initialize the EFI Key FIFO. + @param TerminalDevice The terminal device. + + @return None. + +**/ 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 - ) -; + ); + +/** + Count Unicode FIFO buffer. + + @param TerminalDevice Terminal driver private structure + + @return The count in bytes of Unicode FIFO. +**/ UINT8 UnicodeFiFoGetKeyCount ( TERMINAL_DEV *TerminalDevice - ) -; + ); + +/** + Translate raw data into Unicode (according to different encode), and + translate Unicode into key information. (according to different standard). + + @param TerminalDevice Terminal driver private structure. + @return none. + +**/ VOID TranslateRawDataToEfiKey ( IN TERMINAL_DEV *TerminalDevice - ) -; + ); // // internal functions for PC ANSI // + +/** + Translate all raw data in the Raw FIFI into unicode, and insert + them into Unicode FIFO. + + @param TerminalDevice The terminal device. + + @return None. + +**/ VOID AnsiRawDataToUnicode ( - IN TERMINAL_DEV *PcAnsiDevice - ) -; + IN TERMINAL_DEV *TerminalDevice + ); +/** + Converts a stream of Unicode characters from a terminal input device into EFI Keys that + can be read through the Simple Input Protocol. + + The table below shows the keyboard input mappings that this function supports. + If the ESC sequence listed in one of the columns is presented, then it is translated + into the coorespoding EFI Scan Code. If a matching sequence is not found, then the raw + key strokes are converted into EFI Keys. + + 2 seconds are allowed for an ESC sequence to be completed. If the ESC sequence is not + completed in 2 seconds, then the raw key strokes of the partial ESC sequence are + converted into EFI Keys. + There is one special input sequence that will force the system to reset. + This is ESC R ESC r ESC R. + + Symbols used in table below + =========================== + ESC = 0x1B + CSI = 0x9B + DEL = 0x7f + ^ = CTRL + +=========+======+===========+==========+==========+ + | | EFI | UEFI 2.0 | | | + | | Scan | | VT100+ | | + | KEY | Code | PC ANSI | VTUTF8 | VT100 | + +=========+======+===========+==========+==========+ + | NULL | 0x00 | | | | + | UP | 0x01 | ESC [ A | ESC [ A | ESC [ A | + | DOWN | 0x02 | ESC [ B | ESC [ B | ESC [ B | + | RIGHT | 0x03 | ESC [ C | ESC [ C | ESC [ C | + | LEFT | 0x04 | ESC [ D | ESC [ D | ESC [ D | + | HOME | 0x05 | ESC [ H | ESC h | ESC [ H | + | END | 0x06 | ESC [ F | ESC k | ESC [ K | + | INSERT | 0x07 | ESC [ @ | ESC + | ESC [ @ | + | | | ESC [ L | | ESC [ L | + | DELETE | 0x08 | ESC [ X | ESC - | ESC [ P | + | PG UP | 0x09 | ESC [ I | ESC ? | ESC [ V | + | | | | | ESC [ ? | + | PG DOWN | 0x0A | ESC [ G | ESC / | ESC [ U | + | | | | | ESC [ / | + | F1 | 0x0B | ESC [ M | ESC 1 | ESC O P | + | F2 | 0x0C | ESC [ N | ESC 2 | ESC O Q | + | F3 | 0x0D | ESC [ O | ESC 3 | ESC O w | + | F4 | 0x0E | ESC [ P | ESC 4 | ESC O x | + | F5 | 0x0F | ESC [ Q | ESC 5 | ESC O t | + | F6 | 0x10 | ESC [ R | ESC 6 | ESC O u | + | F7 | 0x11 | ESC [ S | ESC 7 | ESC O q | + | F8 | 0x12 | ESC [ T | ESC 8 | ESC O r | + | F9 | 0x13 | ESC [ U | ESC 9 | ESC O p | + | F10 | 0x14 | ESC [ V | ESC 0 | ESC O M | + | Escape | 0x17 | ESC | ESC | ESC | + | F11 | 0x15 | | ESC ! | | + | F12 | 0x16 | | ESC @ | | + +=========+======+===========+==========+==========+ + + Special Mappings + ================ + ESC R ESC r ESC R = Reset System + + + @param TerminalDevice The terminal device to use to translate raw input into EFI Keys + + @return None. + +**/ VOID UnicodeToEfiKey ( - IN TERMINAL_DEV *PcAnsiDevice - ) -; + IN TERMINAL_DEV *TerminalDevice + ); -EFI_STATUS -AnsiTestString ( - IN TERMINAL_DEV *TerminalDevice, - IN CHAR16 *WString - ) -; +/** + Check if input string is valid Ascii string, valid EFI control characters + or valid text graphics. -// -// internal functions for VT100 -// -EFI_STATUS -VT100TestString ( - IN TERMINAL_DEV *VT100Device, - IN CHAR16 *WString - ) -; + @param TerminalDevice The terminal device. + @param WString The input string. + + @retval EFI_UNSUPPORTED If not all input characters are valid. + @retval EFI_SUCCESS If all input characters are valid. -// -// internal functions for VT100Plus -// +**/ EFI_STATUS -VT100PlusTestString ( +AnsiTestString ( IN TERMINAL_DEV *TerminalDevice, IN CHAR16 *WString - ) -; + ); // // internal functions for VTUTF8 // + +/** + Translate all VT-UTF8 characters in the Raw FIFI into unicode characters, + and insert them into Unicode FIFO. + + @param VtUtf8Device The terminal device. + + @return None. + +**/ VOID VTUTF8RawDataToUnicode ( IN TERMINAL_DEV *VtUtf8Device - ) -; + ); + +/** + Check if input string is valid VT-UTF8 string. + + @param TerminalDevice The terminal device. + @param WString The input string. + + @retval EFI_SUCCESS If all input characters are valid. +**/ EFI_STATUS VTUTF8TestString ( IN TERMINAL_DEV *TerminalDevice, IN CHAR16 *WString - ) -; + ); + +/** + Translate one Unicode character into VT-UTF8 characters. + + UTF8 Encoding Table + Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding + 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx + 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx + 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx + + @param Unicode Unicode character need translating. + @param Utf8Char Return VT-UTF8 character set. + @param ValidBytes The count of valid VT-UTF8 characters. If + ValidBytes is zero, no valid VT-UTF8 returned. + + @return None. + +**/ VOID UnicodeToUtf8 ( IN CHAR16 Unicode, OUT UTF8_CHAR *Utf8Char, OUT UINT8 *ValidBytes - ) -; + ); + +/** + Get one valid VT-UTF8 characters set from Raw Data FIFO. + @param Utf8Device The terminal device. + @param Utf8Char Returned valid VT-UTF8 characters set. + @param ValidBytes The count of returned VT-VTF8 characters. + If ValidBytes is zero, no valid VT-UTF8 returned. + +**/ VOID GetOneValidUtf8Char ( IN TERMINAL_DEV *Utf8Device, OUT UTF8_CHAR *Utf8Char, OUT UINT8 *ValidBytes - ) -; + ); + +/** + Translate VT-UTF8 characters into one Unicode character. + + UTF8 Encoding Table + Bits per Character | Unicode Character Range | Unicode Binary Encoding | UTF8 Binary Encoding + 0-7 | 0x0000 - 0x007F | 00000000 0xxxxxxx | 0xxxxxxx + 8-11 | 0x0080 - 0x07FF | 00000xxx xxxxxxxx | 110xxxxx 10xxxxxx + 12-16 | 0x0800 - 0xFFFF | xxxxxxxx xxxxxxxx | 1110xxxx 10xxxxxx 10xxxxxx + + @param Utf8Char VT-UTF8 character set needs translating. + @param ValidBytes The count of valid VT-UTF8 characters. + @param UnicodeChar Returned unicode character. + + @return None. + +**/ VOID Utf8ToUnicode ( IN UTF8_CHAR Utf8Char, IN UINT8 ValidBytes, OUT CHAR16 *UnicodeChar - ) -; + ); // // functions for boxdraw unicode // + +/** + Detects if a Unicode char is for Box Drawing text graphics. + + @param Graphic Unicode char to test. + @param PcAnsi Optional pointer to return PCANSI equivalent of + Graphic. + @param Ascii Optional pointer to return ASCII equivalent of + Graphic. + + @return TRUE If Graphic is a supported Unicode Box Drawing character. + +**/ BOOLEAN TerminalIsValidTextGraphics ( IN CHAR16 Graphic, OUT CHAR8 *PcAnsi, OPTIONAL OUT CHAR8 *Ascii OPTIONAL - ) -; + ); +/** + Detects if a valid ASCII char. + + @param Ascii An ASCII character. + + @retval TRUE If it is a valid ASCII character. + @retval FALSE If it is not a valid ASCII character. + +**/ BOOLEAN TerminalIsValidAscii ( IN CHAR16 Ascii - ) -; + ); +/** + Detects if a valid EFI control character. + + @param CharC An input EFI Control character. + + @retval TRUE If it is a valid EFI control character. + @retval FALSE If it is not a valid EFI control character. + +**/ BOOLEAN TerminalIsValidEfiCntlChar ( IN CHAR16 CharC - ) -; + ); #endif