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