MdeModulePkg/Universal/Console/ConSplitterDxe/ConSplitter.h

   1 /**@file
   2   Private data structures for the Console Splitter driver
   3
   4 Copyright (c) 2006 - 2007 Intel Corporation. <BR>
   5 All rights reserved. This program and the accompanying materials
   6 are licensed and made available under the terms and conditions of the BSD License
   7 which accompanies this distribution.  The full text of the license may be found at
   8 http://opensource.org/licenses/bsd-license.php
   9
  10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  12
  13 **/
  14
  15 #ifndef _CON_SPLITTER_H_
  16 #define _CON_SPLITTER_H_
  17
  18 //
  19 // Include common header file for this module.
  20 //
  21 #include "CommonHeader.h"
  22
  23 //
  24 // Private Data Structures
  25 //
  26 #define CONSOLE_SPLITTER_CONSOLES_ALLOC_UNIT  32
  27 #define CONSOLE_SPLITTER_MODES_ALLOC_UNIT     32
  28 #define MAX_STD_IN_PASSWORD                   80
  29
  30 typedef struct {
  31   UINTN Columns;
  32   UINTN Rows;
  33 } TEXT_OUT_SPLITTER_QUERY_DATA;
  34
  35 //
  36 // Private data for the EFI_SIMPLE_TEXT_INPUT_PROTOCOL splitter
  37 //
  38 #define TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE EFI_SIGNATURE_32 ('T', 'i', 'S', 'p')
  39
  40 typedef struct {
  41   UINT64                         Signature;
  42   EFI_HANDLE                     VirtualHandle;
  43
  44   EFI_SIMPLE_TEXT_INPUT_PROTOCOL TextIn;
  45   UINTN                          CurrentNumberOfConsoles;
  46   EFI_SIMPLE_TEXT_INPUT_PROTOCOL **TextInList;
  47   UINTN                          TextInListCount;
  48
  49   EFI_SIMPLE_POINTER_PROTOCOL    SimplePointer;
  50   EFI_SIMPLE_POINTER_MODE        SimplePointerMode;
  51   UINTN                          CurrentNumberOfPointers;
  52   EFI_SIMPLE_POINTER_PROTOCOL    **PointerList;
  53   UINTN                          PointerListCount;
  54
  55   BOOLEAN                        PasswordEnabled;
  56   CHAR16                         Password[MAX_STD_IN_PASSWORD];
  57   UINTN                          PwdIndex;
  58   CHAR16                         PwdAttempt[MAX_STD_IN_PASSWORD];
  59   EFI_EVENT                      LockEvent;
  60
  61   BOOLEAN                        KeyEventSignalState;
  62   BOOLEAN                        InputEventSignalState;
  63 } TEXT_IN_SPLITTER_PRIVATE_DATA;
  64
  65 #define TEXT_IN_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
  66   CR ((a),                                            \
  67       TEXT_IN_SPLITTER_PRIVATE_DATA,                \
  68       TextIn,                                       \
  69       TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE       \
  70       )
  71
  72 #define TEXT_IN_SPLITTER_PRIVATE_DATA_FROM_SIMPLE_POINTER_THIS(a) \
  73   CR ((a),                                                          \
  74       TEXT_IN_SPLITTER_PRIVATE_DATA,                              \
  75       SimplePointer,                                              \
  76       TEXT_IN_SPLITTER_PRIVATE_DATA_SIGNATURE                     \
  77       )
  78
  79 //
  80 // Private data for the EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL splitter
  81 //
  82 #define TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE  EFI_SIGNATURE_32 ('T', 'o', 'S', 'p')
  83
  84 typedef struct {
  85   EFI_GRAPHICS_OUTPUT_PROTOCOL     *GraphicsOutput;
  86   EFI_UGA_DRAW_PROTOCOL            *UgaDraw;
  87   EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL  *TextOut;
  88   BOOLEAN                          TextOutEnabled;
  89 } TEXT_OUT_AND_GOP_DATA;
  90
  91 typedef struct {
  92   UINT32                     HorizontalResolution;
  93   UINT32                     VerticalResolution;
  94 } TEXT_OUT_GOP_MODE;
  95
  96 typedef struct {
  97   UINT64                             Signature;
  98   EFI_HANDLE                         VirtualHandle;
  99   EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    TextOut;
 100   EFI_SIMPLE_TEXT_OUTPUT_MODE        TextOutMode;
 101
 102   EFI_GRAPHICS_OUTPUT_PROTOCOL       GraphicsOutput;
 103   EFI_GRAPHICS_OUTPUT_BLT_PIXEL      *GraphicsOutputBlt;
 104   TEXT_OUT_GOP_MODE                  *GraphicsOutputModeBuffer;
 105   UINTN                              CurrentNumberOfGraphicsOutput;
 106   BOOLEAN                            HardwareNeedsStarting;
 107
 108   EFI_CONSOLE_CONTROL_PROTOCOL       ConsoleControl;
 109
 110   UINTN                              CurrentNumberOfConsoles;
 111   TEXT_OUT_AND_GOP_DATA              *TextOutList;
 112   UINTN                              TextOutListCount;
 113   TEXT_OUT_SPLITTER_QUERY_DATA       *TextOutQueryData;
 114   UINTN                              TextOutQueryDataCount;
 115   INT32                              *TextOutModeMap;
 116
 117   EFI_CONSOLE_CONTROL_SCREEN_MODE ConsoleOutputMode;
 118
 119   UINTN                           DevNullColumns;
 120   UINTN                           DevNullRows;
 121   CHAR16                          *DevNullScreen;
 122   INT32                           *DevNullAttributes;
 123
 124 } TEXT_OUT_SPLITTER_PRIVATE_DATA;
 125
 126 #define TEXT_OUT_SPLITTER_PRIVATE_DATA_FROM_THIS(a) \
 127   CR ((a),                                            \
 128       TEXT_OUT_SPLITTER_PRIVATE_DATA,               \
 129       TextOut,                                      \
 130       TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE      \
 131       )
 132
 133 #define GRAPHICS_OUTPUT_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
 134   CR ((a),                                                    \
 135       TEXT_OUT_SPLITTER_PRIVATE_DATA,                       \
 136       GraphicsOutput,                                       \
 137       TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE              \
 138       )
 139
 140 #define UGA_DRAW_SPLITTER_PRIVATE_DATA_FROM_THIS(a) \
 141   CR ((a),                                            \
 142       TEXT_OUT_SPLITTER_PRIVATE_DATA,               \
 143       UgaDraw,                                      \
 144       TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE      \
 145       )
 146
 147 #define CONSOLE_CONTROL_SPLITTER_PRIVATE_DATA_FROM_THIS(a)  \
 148   CR ((a),                                                    \
 149       TEXT_OUT_SPLITTER_PRIVATE_DATA,                       \
 150       ConsoleControl,                                       \
 151       TEXT_OUT_SPLITTER_PRIVATE_DATA_SIGNATURE              \
 152       )
 153
 154 //
 155 // Function Prototypes
 156 //
 157 EFI_STATUS
 158 EFIAPI
 159 ConSplitterDriverEntry (
 160   IN EFI_HANDLE                       ImageHandle,
 161   IN EFI_SYSTEM_TABLE                 *SystemTable
 162   )
 163 ;
 164
 165 EFI_STATUS
 166 ConSplitterTextInConstructor (
 167   TEXT_IN_SPLITTER_PRIVATE_DATA       *Private
 168   )
 169 ;
 170
 171 EFI_STATUS
 172 ConSplitterTextOutConstructor (
 173   TEXT_OUT_SPLITTER_PRIVATE_DATA      *Private
 174   )
 175 ;
 176
 177 //
 178 // Driver Binding Functions
 179 //
 180 EFI_STATUS
 181 EFIAPI
 182 ConSplitterConInDriverBindingSupported (
 183   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 184   IN  EFI_HANDLE                      ControllerHandle,
 185   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 186   )
 187 ;
 188
 189 EFI_STATUS
 190 EFIAPI
 191 ConSplitterSimplePointerDriverBindingSupported (
 192   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 193   IN  EFI_HANDLE                      ControllerHandle,
 194   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 195   )
 196 ;
 197
 198 EFI_STATUS
 199 EFIAPI
 200 ConSplitterConOutDriverBindingSupported (
 201   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 202   IN  EFI_HANDLE                      ControllerHandle,
 203   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 204   )
 205 ;
 206
 207 EFI_STATUS
 208 EFIAPI
 209 ConSplitterStdErrDriverBindingSupported (
 210   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 211   IN  EFI_HANDLE                      ControllerHandle,
 212   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 213   )
 214 ;
 215
 216 EFI_STATUS
 217 EFIAPI
 218 ConSplitterConInDriverBindingStart (
 219   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 220   IN  EFI_HANDLE                      ControllerHandle,
 221   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 222   )
 223 ;
 224
 225 EFI_STATUS
 226 EFIAPI
 227 ConSplitterSimplePointerDriverBindingStart (
 228   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 229   IN  EFI_HANDLE                      ControllerHandle,
 230   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 231   )
 232 ;
 233
 234 EFI_STATUS
 235 EFIAPI
 236 ConSplitterConOutDriverBindingStart (
 237   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 238   IN  EFI_HANDLE                      ControllerHandle,
 239   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 240   )
 241 ;
 242
 243 EFI_STATUS
 244 EFIAPI
 245 ConSplitterStdErrDriverBindingStart (
 246   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 247   IN  EFI_HANDLE                      ControllerHandle,
 248   IN  EFI_DEVICE_PATH_PROTOCOL        *RemainingDevicePath
 249   )
 250 ;
 251
 252 EFI_STATUS
 253 EFIAPI
 254 ConSplitterConInDriverBindingStop (
 255   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 256   IN  EFI_HANDLE                      ControllerHandle,
 257   IN  UINTN                           NumberOfChildren,
 258   IN  EFI_HANDLE                      *ChildHandleBuffer
 259   )
 260 ;
 261
 262 EFI_STATUS
 263 EFIAPI
 264 ConSplitterSimplePointerDriverBindingStop (
 265   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 266   IN  EFI_HANDLE                      ControllerHandle,
 267   IN  UINTN                           NumberOfChildren,
 268   IN  EFI_HANDLE                      *ChildHandleBuffer
 269   )
 270 ;
 271
 272 EFI_STATUS
 273 EFIAPI
 274 ConSplitterConOutDriverBindingStop (
 275   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 276   IN  EFI_HANDLE                      ControllerHandle,
 277   IN  UINTN                           NumberOfChildren,
 278   IN  EFI_HANDLE                      *ChildHandleBuffer
 279   )
 280 ;
 281
 282 EFI_STATUS
 283 EFIAPI
 284 ConSplitterStdErrDriverBindingStop (
 285   IN  EFI_DRIVER_BINDING_PROTOCOL     *This,
 286   IN  EFI_HANDLE                      ControllerHandle,
 287   IN  UINTN                           NumberOfChildren,
 288   IN  EFI_HANDLE                      *ChildHandleBuffer
 289   )
 290 ;
 291
 292 EFI_STATUS
 293 EFIAPI
 294 ConSplitterComponentNameGetDriverName (
 295   IN  EFI_COMPONENT_NAME_PROTOCOL  *This,
 296   IN  CHAR8                        *Language,
 297   OUT CHAR16                       **DriverName
 298   );
 299
 300 EFI_STATUS
 301 EFIAPI
 302 ConSplitterConInComponentNameGetControllerName (
 303   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 304   IN  EFI_HANDLE                                      ControllerHandle,
 305   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 306   IN  CHAR8                                           *Language,
 307   OUT CHAR16                                          **ControllerName
 308   );
 309
 310 EFI_STATUS
 311 EFIAPI
 312 ConSplitterSimplePointerComponentNameGetControllerName (
 313   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 314   IN  EFI_HANDLE                                      ControllerHandle,
 315   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 316   IN  CHAR8                                           *Language,
 317   OUT CHAR16                                          **ControllerName
 318   );
 319
 320 EFI_STATUS
 321 EFIAPI
 322 ConSplitterConOutComponentNameGetControllerName (
 323   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 324   IN  EFI_HANDLE                                      ControllerHandle,
 325   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 326   IN  CHAR8                                           *Language,
 327   OUT CHAR16                                          **ControllerName
 328   );
 329
 330 EFI_STATUS
 331 EFIAPI
 332 ConSplitterStdErrComponentNameGetControllerName (
 333   IN  EFI_COMPONENT_NAME_PROTOCOL                     *This,
 334   IN  EFI_HANDLE                                      ControllerHandle,
 335   IN  EFI_HANDLE                                      ChildHandle        OPTIONAL,
 336   IN  CHAR8                                           *Language,
 337   OUT CHAR16                                          **ControllerName
 338   );
 339
 340 //
 341 // TextIn Constructor/Destructor functions
 342 //
 343 EFI_STATUS
 344 ConSplitterTextInAddDevice (
 345   IN  TEXT_IN_SPLITTER_PRIVATE_DATA      *Private,
 346   IN  EFI_SIMPLE_TEXT_INPUT_PROTOCOL     *TextIn
 347   )
 348 ;
 349
 350 EFI_STATUS
 351 ConSplitterTextInDeleteDevice (
 352   IN  TEXT_IN_SPLITTER_PRIVATE_DATA      *Private,
 353   IN  EFI_SIMPLE_TEXT_INPUT_PROTOCOL     *TextIn
 354   )
 355 ;
 356
 357 //
 358 // SimplePointer Constuctor/Destructor functions
 359 //
 360 EFI_STATUS
 361 ConSplitterSimplePointerAddDevice (
 362   IN  TEXT_IN_SPLITTER_PRIVATE_DATA   *Private,
 363   IN  EFI_SIMPLE_POINTER_PROTOCOL     *SimplePointer
 364   )
 365 ;
 366
 367 EFI_STATUS
 368 ConSplitterSimplePointerDeleteDevice (
 369   IN  TEXT_IN_SPLITTER_PRIVATE_DATA   *Private,
 370   IN  EFI_SIMPLE_POINTER_PROTOCOL     *SimplePointer
 371   )
 372 ;
 373
 374 //
 375 // TextOut Constuctor/Destructor functions
 376 //
 377 EFI_STATUS
 378 ConSplitterTextOutAddDevice (
 379   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA     *Private,
 380   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *TextOut,
 381   IN  EFI_GRAPHICS_OUTPUT_PROTOCOL       *GraphicsOutput,
 382   IN  EFI_UGA_DRAW_PROTOCOL              *UgaDraw
 383   )
 384 ;
 385
 386 EFI_STATUS
 387 ConSplitterTextOutDeleteDevice (
 388   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA     *Private,
 389   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *TextOut
 390   )
 391 ;
 392
 393 //
 394 // TextIn I/O Functions
 395 //
 396 EFI_STATUS
 397 EFIAPI
 398 ConSplitterTextInReset (
 399   IN  EFI_SIMPLE_TEXT_INPUT_PROTOCOL     *This,
 400   IN  BOOLEAN                            ExtendedVerification
 401   )
 402 ;
 403
 404 EFI_STATUS
 405 EFIAPI
 406 ConSplitterTextInReadKeyStroke (
 407   IN  EFI_SIMPLE_TEXT_INPUT_PROTOCOL     *This,
 408   OUT EFI_INPUT_KEY                      *Key
 409   )
 410 ;
 411
 412 VOID
 413 EFIAPI
 414 ConSplitterTextInWaitForKey (
 415   IN  EFI_EVENT                       Event,
 416   IN  VOID                            *Context
 417   )
 418 ;
 419
 420 BOOLEAN
 421 ConSpliterConssoleControlStdInLocked (
 422   VOID
 423   )
 424 ;
 425
 426 VOID
 427 EFIAPI
 428 ConSpliterConsoleControlLockStdInEvent (
 429   IN  EFI_EVENT                       Event,
 430   IN  VOID                            *Context
 431   )
 432 ;
 433
 434 EFI_STATUS
 435 EFIAPI
 436 ConSpliterConsoleControlLockStdIn (
 437   IN  EFI_CONSOLE_CONTROL_PROTOCOL    *This,
 438   IN  CHAR16                          *Password
 439   )
 440 ;
 441
 442 EFI_STATUS
 443 EFIAPI
 444 ConSplitterTextInPrivateReadKeyStroke (
 445   IN  TEXT_IN_SPLITTER_PRIVATE_DATA   *Private,
 446   OUT EFI_INPUT_KEY                   *Key
 447   )
 448 ;
 449
 450 EFI_STATUS
 451 EFIAPI
 452 ConSplitterSimplePointerReset (
 453   IN  EFI_SIMPLE_POINTER_PROTOCOL     *This,
 454   IN  BOOLEAN                         ExtendedVerification
 455   )
 456 ;
 457
 458 EFI_STATUS
 459 EFIAPI
 460 ConSplitterSimplePointerGetState (
 461   IN  EFI_SIMPLE_POINTER_PROTOCOL     *This,
 462   IN OUT EFI_SIMPLE_POINTER_STATE     *State
 463   )
 464 ;
 465
 466 VOID
 467 EFIAPI
 468 ConSplitterSimplePointerWaitForInput (
 469   IN  EFI_EVENT                       Event,
 470   IN  VOID                            *Context
 471   )
 472 ;
 473
 474 //
 475 // TextOut I/O Functions
 476 //
 477 VOID
 478 ConSplitterSynchronizeModeData (
 479   TEXT_OUT_SPLITTER_PRIVATE_DATA      *Private
 480   )
 481 ;
 482
 483 EFI_STATUS
 484 EFIAPI
 485 ConSplitterTextOutReset (
 486   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 487   IN  BOOLEAN                            ExtendedVerification
 488   )
 489 ;
 490
 491 EFI_STATUS
 492 EFIAPI
 493 ConSplitterTextOutOutputString (
 494   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 495   IN  CHAR16                             *WString
 496   )
 497 ;
 498
 499 EFI_STATUS
 500 EFIAPI
 501 ConSplitterTextOutTestString (
 502   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 503   IN  CHAR16                             *WString
 504   )
 505 ;
 506
 507 EFI_STATUS
 508 EFIAPI
 509 ConSplitterTextOutQueryMode (
 510   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 511   IN  UINTN                              ModeNumber,
 512   OUT UINTN                              *Columns,
 513   OUT UINTN                              *Rows
 514   )
 515 ;
 516
 517 EFI_STATUS
 518 EFIAPI
 519 ConSplitterTextOutSetMode (
 520   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 521   IN  UINTN                              ModeNumber
 522   )
 523 ;
 524
 525 EFI_STATUS
 526 EFIAPI
 527 ConSplitterTextOutSetAttribute (
 528   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 529   IN  UINTN                              Attribute
 530   )
 531 ;
 532
 533 EFI_STATUS
 534 EFIAPI
 535 ConSplitterTextOutClearScreen (
 536   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This
 537   )
 538 ;
 539
 540 EFI_STATUS
 541 EFIAPI
 542 ConSplitterTextOutSetCursorPosition (
 543   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 544   IN  UINTN                              Column,
 545   IN  UINTN                              Row
 546   )
 547 ;
 548
 549 EFI_STATUS
 550 EFIAPI
 551 ConSplitterTextOutEnableCursor (
 552   IN  EFI_SIMPLE_TEXT_OUTPUT_PROTOCOL    *This,
 553   IN  BOOLEAN                            Visible
 554   )
 555 ;
 556
 557 EFI_STATUS
 558 ConSplitterGrowBuffer (
 559   IN  UINTN                           SizeOfCount,
 560   IN  UINTN                           *Count,
 561   IN OUT  VOID                        **Buffer
 562   )
 563 ;
 564
 565 EFI_STATUS
 566 EFIAPI
 567 ConSpliterConsoleControlGetMode (
 568   IN  EFI_CONSOLE_CONTROL_PROTOCOL    *This,
 569   OUT EFI_CONSOLE_CONTROL_SCREEN_MODE *Mode,
 570   OUT BOOLEAN                         *GopExists,
 571   OUT BOOLEAN                         *StdInLocked
 572   )
 573 ;
 574
 575 EFI_STATUS
 576 EFIAPI
 577 ConSpliterConsoleControlSetMode (
 578   IN  EFI_CONSOLE_CONTROL_PROTOCOL    *This,
 579   IN  EFI_CONSOLE_CONTROL_SCREEN_MODE Mode
 580   )
 581 ;
 582
 583 EFI_STATUS
 584 EFIAPI
 585 ConSpliterGraphicsOutputQueryMode (
 586   IN  EFI_GRAPHICS_OUTPUT_PROTOCOL                  *This,
 587   IN  UINT32                                    ModeNumber,
 588   OUT UINTN                                        *SizeOfInfo,
 589   OUT EFI_GRAPHICS_OUTPUT_MODE_INFORMATION      **Info
 590   )
 591 ;
 592
 593 EFI_STATUS
 594 EFIAPI
 595 ConSpliterGraphicsOutputSetMode (
 596   IN  EFI_GRAPHICS_OUTPUT_PROTOCOL * This,
 597   IN  UINT32                       ModeNumber
 598   )
 599 ;
 600
 601 EFI_STATUS
 602 EFIAPI
 603 ConSpliterGraphicsOutputBlt (
 604   IN  EFI_GRAPHICS_OUTPUT_PROTOCOL                  *This,
 605   IN  EFI_GRAPHICS_OUTPUT_BLT_PIXEL                 *BltBuffer, OPTIONAL
 606   IN  EFI_GRAPHICS_OUTPUT_BLT_OPERATION             BltOperation,
 607   IN  UINTN                                         SourceX,
 608   IN  UINTN                                         SourceY,
 609   IN  UINTN                                         DestinationX,
 610   IN  UINTN                                         DestinationY,
 611   IN  UINTN                                         Width,
 612   IN  UINTN                                         Height,
 613   IN  UINTN                                         Delta         OPTIONAL
 614   )
 615 ;
 616
 617 EFI_STATUS
 618 DevNullGopSync (
 619   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private,
 620   IN  EFI_GRAPHICS_OUTPUT_PROTOCOL    *GraphicsOutput,
 621   IN  EFI_UGA_DRAW_PROTOCOL           *UgaDraw
 622   )
 623 ;
 624
 625
 626 EFI_STATUS
 627 DevNullTextOutOutputString (
 628   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private,
 629   IN  CHAR16                          *WString
 630   )
 631 ;
 632
 633 EFI_STATUS
 634 DevNullTextOutSetMode (
 635   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private,
 636   IN  UINTN                           ModeNumber
 637   )
 638 ;
 639
 640 EFI_STATUS
 641 DevNullTextOutClearScreen (
 642   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private
 643   )
 644 ;
 645
 646 EFI_STATUS
 647 DevNullTextOutSetCursorPosition (
 648   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private,
 649   IN  UINTN                           Column,
 650   IN  UINTN                           Row
 651   )
 652 ;
 653
 654 EFI_STATUS
 655 DevNullTextOutEnableCursor (
 656   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private,
 657   IN  BOOLEAN                         Visible
 658   )
 659 ;
 660
 661 EFI_STATUS
 662 DevNullSyncGopStdOut (
 663   IN  TEXT_OUT_SPLITTER_PRIVATE_DATA  *Private
 664   )
 665 ;
 666
 667 #endif