reactos/include/ddk/video.h

   1 /*
   2  * video.h
   3  *
   4  * Video port and miniport driver interface
   5  *
   6  * This file is part of the w32api package.
   7  *
   8  * Contributors:
   9  *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>
  10  *
  11  * THIS SOFTWARE IS NOT COPYRIGHTED
  12  *
  13  * This source code is offered for use in the public domain. You may
  14  * use, modify or distribute it freely.
  15  *
  16  * This code is distributed in the hope that it will be useful but
  17  * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
  18  * DISCLAIMED. This includes but is not limited to warranties of
  19  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  20  *
  21  */
  22
  23 #ifndef __VIDEO_H__
  24 #define __VIDEO_H__
  25
  26 #ifdef _WINDDI_
  27 #error winddi.h cannot be included with video.h
  28 #else
  29
  30 #if defined(_VIDEOPORT_)
  31   #define VPAPI
  32 #else
  33   #define VPAPI DECLSPEC_IMPORT
  34 #endif
  35 #define VIDEOPORT_API VPAPI
  36
  37 #include "videoagp.h"
  38 #include "ntddvdeo.h"
  39
  40 #ifdef __cplusplus
  41 extern "C" {
  42 #endif
  43
  44 typedef LONG VP_STATUS;
  45 typedef VP_STATUS *PVP_STATUS;
  46 typedef struct __DMA_PARAMETERS * PDMA;
  47 typedef struct _VIDEO_PORT_SPIN_LOCK *PSPIN_LOCK;
  48 typedef struct __VP_DMA_ADAPTER *PVP_DMA_ADAPTER;
  49
  50 #define DISPLAY_ADAPTER_HW_ID             0xFFFFFFFF
  51
  52 #define EVENT_TYPE_MASK                   1
  53 #define SYNCHRONIZATION_EVENT             0
  54 #define NOTIFICATION_EVENT                1
  55
  56 #define INITIAL_EVENT_STATE_MASK          2
  57 #define INITIAL_EVENT_NOT_SIGNALED        0
  58 #define INITIAL_EVENT_SIGNALED            2
  59
  60 typedef enum VIDEO_DEBUG_LEVEL {
  61   Error = 0,
  62   Warn,
  63   Trace,
  64   Info
  65 } VIDEO_DEBUG_LEVEL, *PVIDEO_DEBUG_LEVEL;
  66
  67 typedef enum {
  68   VideoPortUnlockAfterDma = 1,
  69   VideoPortKeepPagesLocked,
  70   VideoPortDmaInitOnly
  71 } DMA_FLAGS;
  72
  73 typedef enum _HW_DMA_RETURN {
  74   DmaAsyncReturn,
  75   DmaSyncReturn
  76 } HW_DMA_RETURN, *PHW_DMA_RETURN;
  77
  78 typedef HW_DMA_RETURN
  79 (DDKAPI *PVIDEO_HW_START_DMA)(
  80     PVOID  HwDeviceExtension,
  81     PDMA  pDma);
  82
  83
  84 #ifdef PAGED_CODE
  85 #undef PAGED_CODE
  86 #endif
  87
  88 #if DBG
  89
  90 #define PAGED_CODE() \
  91   if (VideoPortGetCurrentIrql() > 1 /* APC_LEVEL */) \
  92   { \
  93     VideoPortDebugPrint(Error, "Video: Pageable code called at IRQL %d\n", VideoPortGetCurrentIrql() ); \
  94     ASSERT(FALSE); \
  95   }
  96
  97 #else
  98
  99 #define PAGED_CODE()
 100
 101 #endif
 102
 103 typedef struct _VIDEO_HARDWARE_CONFIGURATION_DATA {
 104   INTERFACE_TYPE InterfaceType;
 105   ULONG BusNumber;
 106   USHORT Version;
 107   USHORT Revision;
 108   USHORT Irql;
 109   USHORT Vector;
 110   ULONG ControlBase;
 111   ULONG ControlSize;
 112   ULONG CursorBase;
 113   ULONG CursorSize;
 114   ULONG FrameBase;
 115   ULONG FrameSize;
 116 } VIDEO_HARDWARE_CONFIGURATION_DATA, *PVIDEO_HARDWARE_CONFIGURATION_DATA;
 117
 118 #define SIZE_OF_NT4_VIDEO_PORT_CONFIG_INFO       0x42
 119 #define SIZE_OF_NT4_VIDEO_HW_INITIALIZATION_DATA 0x28
 120 #define SIZE_OF_W2K_VIDEO_HW_INITIALIZATION_DATA 0x50
 121
 122 typedef enum _VIDEO_DEVICE_DATA_TYPE {
 123   VpMachineData = 0,
 124   VpCmosData,
 125   VpBusData,
 126   VpControllerData,
 127   VpMonitorData
 128 } VIDEO_DEVICE_DATA_TYPE, *PVIDEO_DEVICE_DATA_TYPE;
 129
 130
 131
 132 /* Video miniport driver functions */
 133
 134 typedef struct _VP_SCATTER_GATHER_ELEMENT {
 135   PHYSICAL_ADDRESS  Address;
 136   ULONG  Length;
 137   ULONG_PTR  Reserved;
 138 } VP_SCATTER_GATHER_ELEMENT, *PVP_SCATTER_GATHER_ELEMENT;
 139
 140 typedef struct _VP_SCATTER_GATHER_LIST {
 141   ULONG  NumberOfElements;
 142   ULONG_PTR  Reserved;
 143   VP_SCATTER_GATHER_ELEMENT  Elements[0];
 144 } VP_SCATTER_GATHER_LIST, *PVP_SCATTER_GATHER_LIST;
 145
 146 typedef VOID
 147 (DDKAPI *PEXECUTE_DMA)(
 148         IN PVOID  HwDeviceExtension,
 149         IN PVP_DMA_ADAPTER  VpDmaAdapter,
 150         IN PVP_SCATTER_GATHER_LIST  SGList,
 151         IN PVOID  Context);
 152
 153 typedef PVOID
 154 (DDKAPI *PVIDEO_PORT_GET_PROC_ADDRESS)(
 155   IN PVOID  HwDeviceExtension,
 156   IN PUCHAR  FunctionName);
 157
 158 typedef struct _VIDEO_PORT_CONFIG_INFO {
 159   ULONG  Length;
 160   ULONG  SystemIoBusNumber;
 161   INTERFACE_TYPE  AdapterInterfaceType;
 162   ULONG  BusInterruptLevel;
 163   ULONG  BusInterruptVector;
 164   KINTERRUPT_MODE  InterruptMode;
 165   ULONG  NumEmulatorAccessEntries;
 166   PEMULATOR_ACCESS_ENTRY  EmulatorAccessEntries;
 167   ULONG_PTR  EmulatorAccessEntriesContext;
 168   PHYSICAL_ADDRESS  VdmPhysicalVideoMemoryAddress;
 169   ULONG  VdmPhysicalVideoMemoryLength;
 170   ULONG  HardwareStateSize;
 171   ULONG  DmaChannel;
 172   ULONG  DmaPort;
 173   UCHAR  DmaShareable;
 174   UCHAR  InterruptShareable;
 175   BOOLEAN  Master;
 176   DMA_WIDTH  DmaWidth;
 177   DMA_SPEED  DmaSpeed;
 178   BOOLEAN  bMapBuffers;
 179   BOOLEAN  NeedPhysicalAddresses;
 180   BOOLEAN  DemandMode;
 181   ULONG  MaximumTransferLength;
 182   ULONG  NumberOfPhysicalBreaks;
 183   BOOLEAN  ScatterGather;
 184   ULONG  MaximumScatterGatherChunkSize;
 185   PVIDEO_PORT_GET_PROC_ADDRESS VideoPortGetProcAddress;
 186   PWSTR  DriverRegistryPath;
 187   ULONGLONG  SystemMemorySize;
 188 } VIDEO_PORT_CONFIG_INFO, *PVIDEO_PORT_CONFIG_INFO;
 189
 190 typedef VP_STATUS
 191 (DDKAPI *PVIDEO_HW_FIND_ADAPTER)(
 192         IN PVOID  HwDeviceExtension,
 193         IN PVOID  HwContext,
 194         IN PWSTR  ArgumentString,
 195         IN OUT  PVIDEO_PORT_CONFIG_INFO  ConfigInfo,
 196         OUT PUCHAR  Again);
 197
 198 typedef VP_STATUS
 199 (DDKAPI *PVIDEO_HW_POWER_GET)(
 200   IN PVOID  HwDeviceExtension,
 201   IN ULONG  HwId,
 202   IN OUT  PVIDEO_POWER_MANAGEMENT  VideoPowerControl);
 203
 204 /* PVIDEO_HW_GET_CHILD_DESCRIPTOR return values */
 205 #define VIDEO_ENUM_MORE_DEVICES           ERROR_CONTINUE
 206 #define VIDEO_ENUM_NO_MORE_DEVICES        ERROR_NO_MORE_DEVICES
 207 #define VIDEO_ENUM_INVALID_DEVICE         ERROR_INVALID_NAME
 208
 209 /* PVIDEO_HW_GET_CHILD_DESCRIPTOR.ChildEnumInfo constants */
 210 typedef struct _VIDEO_CHILD_ENUM_INFO {
 211   ULONG  Size;
 212   ULONG  ChildDescriptorSize;
 213   ULONG  ChildIndex;
 214   ULONG  ACPIHwId;
 215   PVOID  ChildHwDeviceExtension;
 216 } VIDEO_CHILD_ENUM_INFO, *PVIDEO_CHILD_ENUM_INFO;
 217
 218 /* PVIDEO_HW_GET_CHILD_DESCRIPTOR.VideoChildType constants */
 219 typedef enum _VIDEO_CHILD_TYPE {
 220   Monitor = 1,
 221   NonPrimaryChip,
 222   VideoChip,
 223   Other
 224 } VIDEO_CHILD_TYPE, *PVIDEO_CHILD_TYPE;
 225
 226 typedef VP_STATUS
 227 (DDKAPI *PVIDEO_HW_GET_CHILD_DESCRIPTOR)(
 228   IN PVOID  HwDeviceExtension,
 229   IN PVIDEO_CHILD_ENUM_INFO  ChildEnumInfo,
 230   OUT  PVIDEO_CHILD_TYPE  VideoChildType,
 231   OUT  PUCHAR  pChildDescriptor,
 232   OUT  PULONG  UId,
 233   OUT  PULONG  pUnused);
 234
 235 typedef BOOLEAN
 236 (DDKAPI *PVIDEO_HW_INITIALIZE)(
 237   IN PVOID  HwDeviceExtension);
 238
 239 typedef BOOLEAN
 240 (DDKAPI *PVIDEO_HW_INTERRUPT)(
 241   IN PVOID  HwDeviceExtension);
 242
 243 /* VIDEO_ACCESS_RANGE.RangePassive */
 244 #define VIDEO_RANGE_PASSIVE_DECODE        1
 245 #define VIDEO_RANGE_10_BIT_DECODE         2
 246
 247 #ifndef VIDEO_ACCESS_RANGE_DEFINED /* also in miniport.h */
 248 #define VIDEO_ACCESS_RANGE_DEFINED
 249 typedef struct _VIDEO_ACCESS_RANGE {
 250   PHYSICAL_ADDRESS  RangeStart;
 251   ULONG  RangeLength;
 252   UCHAR  RangeInIoSpace;
 253   UCHAR  RangeVisible;
 254   UCHAR  RangeShareable;
 255   UCHAR  RangePassive;
 256 } VIDEO_ACCESS_RANGE, *PVIDEO_ACCESS_RANGE;
 257 #endif
 258
 259 typedef VOID
 260 (DDKAPI *PVIDEO_HW_LEGACYRESOURCES)(
 261   IN ULONG  VendorId,
 262   IN ULONG  DeviceId,
 263   IN OUT  PVIDEO_ACCESS_RANGE  *LegacyResourceList,
 264   IN OUT  PULONG  LegacyResourceCount);
 265
 266 typedef VP_STATUS
 267 (DDKAPI *PMINIPORT_QUERY_DEVICE_ROUTINE)(
 268   IN PVOID  HwDeviceExtension,
 269   IN PVOID  Context,
 270   IN VIDEO_DEVICE_DATA_TYPE  DeviceDataType,
 271   IN PVOID  Identifier,
 272   IN ULONG  IdentifierLength,
 273   IN PVOID  ConfigurationData,
 274   IN ULONG  ConfigurationDataLength,
 275   IN OUT  PVOID  ComponentInformation,
 276   IN ULONG  ComponentInformationLength);
 277
 278 typedef struct _QUERY_INTERFACE {
 279   CONST GUID  *InterfaceType;
 280   USHORT  Size;
 281   USHORT  Version;
 282   PINTERFACE  Interface;
 283   PVOID  InterfaceSpecificData;
 284 } QUERY_INTERFACE, *PQUERY_INTERFACE;
 285
 286 typedef VP_STATUS
 287 (DDKAPI *PVIDEO_HW_QUERY_INTERFACE)(
 288   IN PVOID  HwDeviceExtension,
 289   IN OUT  PQUERY_INTERFACE  QueryInterface);
 290
 291 typedef VP_STATUS
 292 (DDKAPI *PMINIPORT_GET_REGISTRY_ROUTINE)(
 293   IN PVOID  HwDeviceExtension,
 294   IN PVOID  Context,
 295   IN OUT  PWSTR  ValueName,
 296   IN OUT  PVOID  ValueData,
 297   IN ULONG  ValueLength);
 298
 299 typedef BOOLEAN
 300 (DDKAPI *PVIDEO_HW_RESET_HW)(
 301   IN PVOID  HwDeviceExtension,
 302   IN ULONG  Columns,
 303   IN ULONG  Rows);
 304
 305 typedef VP_STATUS
 306 (DDKAPI *PVIDEO_HW_POWER_SET)(
 307   IN PVOID  HwDeviceExtension,
 308   IN ULONG  HwId,
 309   IN PVIDEO_POWER_MANAGEMENT  VideoPowerControl);
 310
 311 typedef struct _STATUS_BLOCK {
 312    _ANONYMOUS_UNION union {
 313     VP_STATUS  Status;
 314     PVOID  Pointer;
 315   } DUMMYUNIONNAME;
 316   ULONG_PTR Information;
 317 } STATUS_BLOCK, *PSTATUS_BLOCK;
 318
 319 typedef struct _VIDEO_REQUEST_PACKET {
 320   ULONG  IoControlCode;
 321   PSTATUS_BLOCK  StatusBlock;
 322   PVOID  InputBuffer;
 323   ULONG  InputBufferLength;
 324   PVOID  OutputBuffer;
 325   ULONG  OutputBufferLength;
 326 } VIDEO_REQUEST_PACKET, *PVIDEO_REQUEST_PACKET;
 327
 328 typedef BOOLEAN
 329 (DDKAPI *PVIDEO_HW_START_IO)(
 330   IN PVOID  HwDeviceExtension,
 331   IN PVIDEO_REQUEST_PACKET  RequestPacket);
 332
 333 typedef BOOLEAN
 334 (DDKAPI *PMINIPORT_SYNCHRONIZE_ROUTINE)(
 335   IN PVOID  Context);
 336
 337 typedef VOID
 338 (DDKAPI *PVIDEO_HW_TIMER)(
 339   IN PVOID  HwDeviceExtension);
 340
 341 typedef VOID
 342 (DDKAPI *PMINIPORT_DPC_ROUTINE)(
 343   IN PVOID  HwDeviceExtension,
 344   IN PVOID  Context);
 345
 346 typedef VP_STATUS
 347 (DDKAPI *PDRIVER_IO_PORT_UCHAR)(
 348   IN ULONG_PTR  Context,
 349   IN ULONG  Port,
 350   IN UCHAR  AccessMode,
 351   IN PUCHAR  Data);
 352
 353 typedef VP_STATUS
 354 (DDKAPI *PDRIVER_IO_PORT_UCHAR_STRING)(
 355   IN ULONG_PTR  Context,
 356   IN ULONG  Port,
 357   IN UCHAR  AccessMode,
 358   IN PUCHAR  Data,
 359   IN ULONG  DataLength);
 360
 361 typedef VP_STATUS
 362 (DDKAPI *PDRIVER_IO_PORT_ULONG)(
 363   IN ULONG_PTR  Context,
 364   IN ULONG  Port,
 365   IN UCHAR  AccessMode,
 366   IN PULONG  Data);
 367
 368 typedef VP_STATUS
 369 (DDKAPI *PDRIVER_IO_PORT_ULONG_STRING)(
 370   IN ULONG_PTR  Context,
 371   IN ULONG  Port,
 372   IN UCHAR  AccessMode,
 373   IN PULONG  Data,
 374   IN ULONG  DataLength);
 375
 376 typedef VP_STATUS
 377 (DDKAPI *PDRIVER_IO_PORT_USHORT)(
 378   IN ULONG_PTR  Context,
 379   IN ULONG  Port,
 380   IN UCHAR  AccessMode,
 381   IN PUSHORT  Data);
 382
 383 typedef VP_STATUS
 384 (DDKAPI *PDRIVER_IO_PORT_USHORT_STRING)(
 385   IN ULONG_PTR  Context,
 386   IN ULONG  Port,
 387   IN UCHAR  AccessMode,
 388   IN PUSHORT  Data,
 389   IN ULONG  DataLength);
 390
 391
 392
 393 typedef struct _INT10_BIOS_ARGUMENTS {
 394   ULONG  Eax;
 395   ULONG  Ebx;
 396   ULONG  Ecx;
 397   ULONG  Edx;
 398   ULONG  Esi;
 399   ULONG  Edi;
 400   ULONG  Ebp;
 401   USHORT  SegDs;
 402   USHORT  SegEs;
 403 } INT10_BIOS_ARGUMENTS, *PINT10_BIOS_ARGUMENTS;
 404
 405 typedef struct _VIDEO_CHILD_STATE {
 406   ULONG  Id;
 407   ULONG  State;
 408 } VIDEO_CHILD_STATE, *PVIDEO_CHILD_STATE;
 409
 410 typedef struct _VIDEO_CHILD_STATE_CONFIGURATION {
 411   ULONG  Count;
 412   VIDEO_CHILD_STATE  ChildStateArray[ANYSIZE_ARRAY];
 413 } VIDEO_CHILD_STATE_CONFIGURATION, *PVIDEO_CHILD_STATE_CONFIGURATION;
 414
 415 typedef struct _VIDEO_HW_INITIALIZATION_DATA {
 416   ULONG  HwInitDataSize;
 417   INTERFACE_TYPE  AdapterInterfaceType;
 418   PVIDEO_HW_FIND_ADAPTER  HwFindAdapter;
 419   PVIDEO_HW_INITIALIZE  HwInitialize;
 420   PVIDEO_HW_INTERRUPT  HwInterrupt;
 421   PVIDEO_HW_START_IO  HwStartIO;
 422   ULONG  HwDeviceExtensionSize;
 423   ULONG  StartingDeviceNumber;
 424   PVIDEO_HW_RESET_HW  HwResetHw;
 425   PVIDEO_HW_TIMER  HwTimer;
 426   PVIDEO_HW_START_DMA  HwStartDma;
 427   PVIDEO_HW_POWER_SET  HwSetPowerState;
 428   PVIDEO_HW_POWER_GET  HwGetPowerState;
 429   PVIDEO_HW_GET_CHILD_DESCRIPTOR  HwGetVideoChildDescriptor;
 430   PVIDEO_HW_QUERY_INTERFACE  HwQueryInterface;
 431   ULONG  HwChildDeviceExtensionSize;
 432   PVIDEO_ACCESS_RANGE  HwLegacyResourceList;
 433   ULONG  HwLegacyResourceCount;
 434   PVIDEO_HW_LEGACYRESOURCES  HwGetLegacyResources;
 435   BOOLEAN  AllowEarlyEnumeration;
 436   ULONG  Reserved;
 437 } VIDEO_HW_INITIALIZATION_DATA, *PVIDEO_HW_INITIALIZATION_DATA;
 438
 439 /* VIDEO_PORT_AGP_INTERFACE.Version contants */
 440 #define VIDEO_PORT_AGP_INTERFACE_VERSION_1 1
 441
 442 typedef struct _VIDEO_PORT_AGP_INTERFACE {
 443   SHORT  Size;
 444   SHORT  Version;
 445   PVOID  Context;
 446   PINTERFACE_REFERENCE  InterfaceReference;
 447   PINTERFACE_DEREFERENCE  InterfaceDereference;
 448   PAGP_RESERVE_PHYSICAL  AgpReservePhysical;
 449   PAGP_RELEASE_PHYSICAL  AgpReleasePhysical;
 450   PAGP_COMMIT_PHYSICAL  AgpCommitPhysical;
 451   PAGP_FREE_PHYSICAL  AgpFreePhysical;
 452   PAGP_RESERVE_VIRTUAL  AgpReserveVirtual;
 453   PAGP_RELEASE_VIRTUAL  AgpReleaseVirtual;
 454   PAGP_COMMIT_VIRTUAL  AgpCommitVirtual;
 455   PAGP_FREE_VIRTUAL  AgpFreeVirtual;
 456   ULONGLONG  AgpAllocationLimit;
 457 } VIDEO_PORT_AGP_INTERFACE, *PVIDEO_PORT_AGP_INTERFACE;
 458
 459 /* VIDEO_PORT_AGP_INTERFACE_2.Version constants */
 460 #define VIDEO_PORT_AGP_INTERFACE_VERSION_2 2
 461
 462 typedef struct _VIDEO_PORT_AGP_INTERFACE_2 {
 463   IN USHORT  Size;
 464   IN USHORT  Version;
 465   OUT PVOID  Context;
 466   OUT PINTERFACE_REFERENCE  InterfaceReference;
 467   OUT PINTERFACE_DEREFERENCE  InterfaceDereference;
 468   OUT PAGP_RESERVE_PHYSICAL  AgpReservePhysical;
 469   OUT PAGP_RELEASE_PHYSICAL  AgpReleasePhysical;
 470   OUT PAGP_COMMIT_PHYSICAL  AgpCommitPhysical;
 471   OUT PAGP_FREE_PHYSICAL  AgpFreePhysical;
 472   OUT PAGP_RESERVE_VIRTUAL  AgpReserveVirtual;
 473   OUT PAGP_RELEASE_VIRTUAL  AgpReleaseVirtual;
 474   OUT PAGP_COMMIT_VIRTUAL  AgpCommitVirtual;
 475   OUT PAGP_FREE_VIRTUAL  AgpFreeVirtual;
 476   OUT ULONGLONG  AgpAllocationLimit;
 477   OUT PAGP_SET_RATE  AgpSetRate;
 478 } VIDEO_PORT_AGP_INTERFACE_2, *PVIDEO_PORT_AGP_INTERFACE_2;
 479
 480 #define VIDEO_PORT_I2C_INTERFACE_VERSION_1  1
 481
 482 typedef VOID
 483 (DDKAPI *PVIDEO_WRITE_CLOCK_LINE)(
 484   PVOID HwDeviceExtension,
 485   UCHAR Data);
 486
 487 typedef VOID
 488 (DDKAPI *PVIDEO_WRITE_DATA_LINE)(
 489   PVOID HwDeviceExtension,
 490   UCHAR Data);
 491
 492 typedef BOOLEAN
 493 (DDKAPI *PVIDEO_READ_CLOCK_LINE)(
 494   PVOID HwDeviceExtension);
 495
 496 typedef BOOLEAN
 497 (DDKAPI *PVIDEO_READ_DATA_LINE)(
 498   PVOID HwDeviceExtension);
 499
 500 typedef struct _I2C_CALLBACKS
 501 {
 502   IN PVIDEO_WRITE_CLOCK_LINE  WriteClockLine;
 503   IN PVIDEO_WRITE_DATA_LINE  WriteDataLine;
 504   IN PVIDEO_READ_CLOCK_LINE  ReadClockLine;
 505   IN PVIDEO_READ_DATA_LINE  ReadDataLine;
 506 } I2C_CALLBACKS, *PI2C_CALLBACKS;
 507
 508 typedef BOOLEAN
 509 (DDKAPI *PI2C_START)(
 510   IN PVOID  HwDeviceExtension,
 511   IN PI2C_CALLBACKS  I2CCallbacks);
 512
 513 typedef BOOLEAN
 514 (DDKAPI *PI2C_STOP)(
 515   IN PVOID  HwDeviceExtension,
 516   IN PI2C_CALLBACKS  I2CCallbacks);
 517
 518 typedef BOOLEAN
 519 (DDKAPI *PI2C_WRITE)(
 520   IN PVOID  HwDeviceExtension,
 521   IN PI2C_CALLBACKS  I2CCallbacks,
 522   IN PUCHAR  Buffer,
 523   IN ULONG  Length);
 524
 525 typedef BOOLEAN
 526 (DDKAPI *PI2C_READ)(
 527   IN PVOID  HwDeviceExtension,
 528   IN PI2C_CALLBACKS  I2CCallbacks,
 529   OUT PUCHAR  Buffer,
 530   IN ULONG  Length);
 531
 532 typedef struct _VIDEO_PORT_I2C_INTERFACE {
 533   USHORT  Size;
 534   USHORT  Version;
 535   PVOID  Context;
 536   PINTERFACE_REFERENCE  InterfaceReference;
 537   PINTERFACE_DEREFERENCE  InterfaceDereference;
 538   PI2C_START  I2CStart;
 539   PI2C_STOP  I2CStop;
 540   PI2C_WRITE  I2CWrite;
 541   PI2C_READ  I2CRead;
 542 } VIDEO_PORT_I2C_INTERFACE, *PVIDEO_PORT_I2C_INTERFACE;
 543
 544 /* VIDEO_PORT_INT10_INTERFACE.Version constants */
 545 #define VIDEO_PORT_INT10_INTERFACE_VERSION_1 1
 546
 547 typedef VP_STATUS
 548 (DDKAPI *PINT10_ALLOCATE_BUFFER)(
 549   IN PVOID  Context,
 550   OUT PUSHORT  Seg,
 551   OUT PUSHORT  Off,
 552   IN OUT PULONG  Length);
 553
 554 typedef VP_STATUS
 555 (DDKAPI *PINT10_CALL_BIOS)(
 556   IN PVOID  Context,
 557   IN OUT PINT10_BIOS_ARGUMENTS  BiosArguments);
 558
 559 typedef VP_STATUS
 560 (DDKAPI *PINT10_FREE_BUFFER)(
 561   IN PVOID  Context,
 562   IN USHORT  Seg,
 563   IN USHORT  Off);
 564
 565 typedef VP_STATUS
 566 (DDKAPI *PINT10_READ_MEMORY)(
 567   IN PVOID  Context,
 568   IN USHORT  Seg,
 569   IN USHORT  Off,
 570   OUT PVOID  Buffer,
 571   IN ULONG  Length);
 572
 573 typedef VP_STATUS
 574 (DDKAPI *PINT10_WRITE_MEMORY)(
 575   IN PVOID  Context,
 576   IN USHORT  Seg,
 577   IN USHORT  Off,
 578   IN PVOID  Buffer,
 579   IN ULONG  Length);
 580
 581 typedef struct _VIDEO_PORT_INT10_INTERFACE {
 582   IN USHORT  Size;
 583   IN USHORT  Version;
 584   OUT PVOID  Context;
 585   OUT PINTERFACE_REFERENCE  InterfaceReference;
 586   OUT PINTERFACE_DEREFERENCE  InterfaceDereference;
 587   OUT PINT10_ALLOCATE_BUFFER  Int10AllocateBuffer;
 588   OUT PINT10_FREE_BUFFER  Int10FreeBuffer;
 589   OUT PINT10_READ_MEMORY  Int10ReadMemory;
 590   OUT PINT10_WRITE_MEMORY  Int10WriteMemory;
 591   OUT PINT10_CALL_BIOS  Int10CallBios;
 592 } VIDEO_PORT_INT10_INTERFACE, *PVIDEO_PORT_INT10_INTERFACE;
 593
 594 /* Flags for VideoPortGetDeviceBase and VideoPortMapMemory */
 595 #define VIDEO_MEMORY_SPACE_MEMORY         0x00
 596 #define VIDEO_MEMORY_SPACE_IO             0x01
 597 #define VIDEO_MEMORY_SPACE_USER_MODE      0x02
 598 #define VIDEO_MEMORY_SPACE_DENSE          0x04
 599 #define VIDEO_MEMORY_SPACE_P6CACHE        0x08
 600
 601 typedef struct _VIDEO_X86_BIOS_ARGUMENTS {
 602   ULONG  Eax;
 603   ULONG  Ebx;
 604   ULONG  Ecx;
 605   ULONG  Edx;
 606   ULONG  Esi;
 607   ULONG  Edi;
 608   ULONG  Ebp;
 609 } VIDEO_X86_BIOS_ARGUMENTS, *PVIDEO_X86_BIOS_ARGUMENTS;
 610
 611 typedef struct _VP_DEVICE_DESCRIPTION {
 612   BOOLEAN  ScatterGather;
 613   BOOLEAN  Dma32BitAddresses;
 614   BOOLEAN  Dma64BitAddresses;
 615   ULONG  MaximumLength;
 616 } VP_DEVICE_DESCRIPTION, *PVP_DEVICE_DESCRIPTION;
 617
 618 typedef struct _VPOSVERSIONINFO {
 619   IN ULONG  Size;
 620   OUT ULONG  MajorVersion;
 621   OUT ULONG  MinorVersion;
 622   OUT ULONG  BuildNumber;
 623   OUT USHORT  ServicePackMajor;
 624   OUT USHORT  ServicePackMinor;
 625 } VPOSVERSIONINFO, *PVPOSVERSIONINFO;
 626
 627
 628
 629 /* Video port functions for miniports */
 630
 631 VPAPI
 632 VOID
 633 DDKAPI
 634 VideoPortAcquireDeviceLock(
 635   IN PVOID  HwDeviceExtension);
 636
 637 VPAPI
 638 VOID
 639 DDKAPI
 640 VideoPortAcquireSpinLock(
 641   IN PVOID  HwDeviceExtension,
 642   IN PSPIN_LOCK  SpinLock,
 643   OUT PUCHAR  OldIrql);
 644
 645 VPAPI
 646 VOID
 647 DDKAPI
 648 VideoPortAcquireSpinLockAtDpcLevel(
 649   IN PVOID  HwDeviceExtension,
 650   IN PSPIN_LOCK  SpinLock);
 651
 652 VPAPI
 653 VP_STATUS
 654 DDKAPI
 655 VideoPortAllocateBuffer(
 656   IN PVOID  HwDeviceExtension,
 657   IN ULONG  Size,
 658   OUT PVOID  *Buffer);
 659
 660 VPAPI
 661 PVOID
 662 DDKAPI
 663 VideoPortAllocateCommonBuffer(
 664   IN PVOID  HwDeviceExtension,
 665   IN PVP_DMA_ADAPTER  VpDmaAdapter,
 666   IN ULONG  DesiredLength,
 667   OUT PPHYSICAL_ADDRESS  LogicalAddress,
 668   IN BOOLEAN  CacheEnabled,
 669   PVOID  Reserved);
 670
 671 VPAPI
 672 PVOID
 673 DDKAPI
 674 VideoPortAllocateContiguousMemory(
 675   IN PVOID  HwDeviceExtension,
 676   IN ULONG  NumberOfBytes,
 677   IN PHYSICAL_ADDRESS  HighestAcceptableAddress);
 678
 679 /* VideoPortAllocatePool.PoolType constants */
 680 typedef enum _VP_POOL_TYPE {
 681   VpNonPagedPool = 0,
 682   VpPagedPool,
 683   VpNonPagedPoolCacheAligned = 4,
 684   VpPagedPoolCacheAligned
 685 } VP_POOL_TYPE, *PVP_POOL_TYPE;
 686
 687 VPAPI
 688 PVOID
 689 DDKAPI
 690 VideoPortAllocatePool(
 691   IN PVOID  HwDeviceExtension,
 692   IN VP_POOL_TYPE  PoolType,
 693   IN SIZE_T  NumberOfBytes,
 694   IN ULONG  Tag);
 695
 696 VPAPI
 697 PDMA
 698 DDKAPI
 699 VideoPortAssociateEventsWithDmaHandle(
 700   IN PVOID  HwDeviceExtension,
 701   IN OUT PVIDEO_REQUEST_PACKET  pVrp,
 702   IN PVOID  MappedUserEvent,
 703   IN PVOID  DisplayDriverEvent);
 704
 705 /* VideoPortCheckForDeviceExistence.Flags constants */
 706 #define CDE_USE_SUBSYSTEM_IDS             0x00000001
 707 #define CDE_USE_REVISION                  0x00000002
 708
 709 VPAPI
 710 BOOLEAN
 711 DDKAPI
 712 VideoPortCheckForDeviceExistence(
 713   IN PVOID  HwDeviceExtension,
 714   IN USHORT  VendorId,
 715   IN USHORT  DeviceId,
 716   IN UCHAR  RevisionId,
 717   IN USHORT  SubVendorId,
 718   IN USHORT  SubSystemId,
 719   IN ULONG  Flags);
 720
 721 VPAPI
 722 VOID
 723 DDKAPI
 724 VideoPortClearEvent(
 725   IN PVOID  HwDeviceExtension,
 726   IN PEVENT  pEvent);
 727
 728 VPAPI
 729 ULONG
 730 DDKAPI
 731 VideoPortCompareMemory(
 732   IN PVOID  Source1,
 733   IN PVOID  Source2,
 734   IN ULONG  Length);
 735
 736 VPAPI
 737 VP_STATUS
 738 DDKAPI
 739 VideoPortCompleteDma(
 740   IN PVOID  HwDeviceExtension,
 741   IN PVP_DMA_ADAPTER  VpDmaAdapter,
 742   IN PVP_SCATTER_GATHER_LIST  VpScatterGather,
 743   IN BOOLEAN  WriteToDevice);
 744
 745 VPAPI
 746 VP_STATUS
 747 DDKAPI
 748 VideoPortCreateEvent(
 749   IN PVOID  HwDeviceExtension,
 750   IN ULONG  EventFlag,
 751   IN PVOID  Unused,
 752   OUT PEVENT  *ppEvent);
 753
 754 VPAPI
 755 VP_STATUS
 756 DDKAPI
 757 VideoPortCreateSecondaryDisplay(
 758   IN PVOID  HwDeviceExtension,
 759   IN OUT PVOID  *SecondaryDeviceExtension,
 760   IN ULONG  ulFlag);
 761
 762 VPAPI
 763 VP_STATUS
 764 DDKAPI
 765 VideoPortCreateSpinLock(
 766   IN PVOID  HwDeviceExtension,
 767   OUT PSPIN_LOCK  *SpinLock);
 768
 769 typedef struct _DDC_CONTROL {
 770   IN ULONG  Size;
 771   IN I2C_CALLBACKS  I2CCallbacks;
 772   IN UCHAR  EdidSegment;
 773 } DDC_CONTROL, *PDDC_CONTROL;
 774
 775 VPAPI
 776 BOOLEAN
 777 DDKAPI
 778 VideoPortDDCMonitorHelper(
 779   IN PVOID  HwDeviceExtension,
 780   IN PVOID  DDCControl,
 781   IN OUT PUCHAR  EdidBuffer,
 782   IN ULONG  EdidBufferSize);
 783
 784 VPAPI
 785 VOID
 786 DDKCDECLAPI
 787 VideoPortDebugPrint(
 788   IN VIDEO_DEBUG_LEVEL  DebugPrintLevel,
 789   IN PCHAR  DebugMessage,
 790   IN ...);
 791
 792 VPAPI
 793 VP_STATUS
 794 DDKAPI
 795 VideoPortDeleteEvent(
 796   IN PVOID  HwDeviceExtension,
 797   IN PEVENT  pEvent);
 798
 799 VPAPI
 800 VP_STATUS
 801 DDKAPI
 802 VideoPortDeleteSpinLock(
 803   IN PVOID  HwDeviceExtension,
 804   IN PSPIN_LOCK  SpinLock);
 805
 806 VPAPI
 807 VP_STATUS
 808 DDKAPI
 809 VideoPortDisableInterrupt(
 810   IN PVOID  HwDeviceExtension);
 811
 812 VPAPI
 813 PDMA
 814 DDKAPI
 815 VideoPortDoDma(
 816   IN PVOID  HwDeviceExtension,
 817   IN PDMA  pDma,
 818   IN DMA_FLAGS  DmaFlags);
 819
 820 VPAPI
 821 VP_STATUS
 822 DDKAPI
 823 VideoPortEnableInterrupt(
 824   IN PVOID  HwDeviceExtension);
 825
 826 VPAPI
 827 VP_STATUS
 828 DDKAPI
 829 VideoPortEnumerateChildren(
 830   IN PVOID  HwDeviceExtension,
 831   IN PVOID  Reserved);
 832
 833 VPAPI
 834 VOID
 835 DDKAPI
 836 VideoPortFreeCommonBuffer(
 837   IN PVOID  HwDeviceExtension,
 838   IN ULONG  Length,
 839   IN PVOID  VirtualAddress,
 840   IN PHYSICAL_ADDRESS  LogicalAddress,
 841   IN BOOLEAN  CacheEnabled);
 842
 843 VPAPI
 844 VOID
 845 DDKAPI
 846 VideoPortFreeDeviceBase(
 847   IN PVOID  HwDeviceExtension,
 848   IN PVOID  MappedAddress);
 849
 850 VPAPI
 851 VOID
 852 DDKAPI
 853 VideoPortFreePool(
 854   IN PVOID  HwDeviceExtension,
 855   IN PVOID  Ptr);
 856
 857 VPAPI
 858 VP_STATUS
 859 DDKAPI
 860 VideoPortGetAccessRanges(
 861   IN PVOID  HwDeviceExtension,
 862   IN ULONG  NumRequestedResources,
 863   IN PIO_RESOURCE_DESCRIPTOR  RequestedResources  OPTIONAL,
 864   IN ULONG  NumAccessRanges,
 865   OUT PVIDEO_ACCESS_RANGE  AccessRanges,
 866   IN PVOID  VendorId,
 867   IN PVOID  DeviceId,
 868   OUT PULONG  Slot);
 869
 870 VPAPI
 871 PVOID
 872 DDKAPI
 873 VideoPortGetAssociatedDeviceExtension(
 874   IN PVOID  DeviceObject);
 875
 876 VPAPI
 877 ULONG
 878 DDKAPI
 879 VideoPortGetAssociatedDeviceID(
 880   IN PVOID DeviceObject);
 881
 882 VPAPI
 883 ULONG
 884 DDKAPI
 885 VideoPortGetBusData(
 886   IN PVOID  HwDeviceExtension,
 887   IN BUS_DATA_TYPE  BusDataType,
 888   IN ULONG  SlotNumber,
 889   IN OUT PVOID  Buffer,
 890   IN ULONG  Offset,
 891   IN ULONG  Length);
 892
 893 VPAPI
 894 ULONG
 895 DDKAPI
 896 VideoPortGetBytesUsed(
 897   IN PVOID  HwDeviceExtension,
 898   IN PDMA  pDma);
 899
 900 VPAPI
 901 PVOID
 902 DDKAPI
 903 VideoPortGetCommonBuffer(
 904   IN PVOID  HwDeviceExtension,
 905   IN ULONG  DesiredLength,
 906   IN ULONG  Alignment,
 907   OUT PPHYSICAL_ADDRESS  LogicalAddress,
 908   OUT PULONG  pActualLength,
 909   IN BOOLEAN  CacheEnabled);
 910
 911 VPAPI
 912 UCHAR
 913 DDKAPI
 914 VideoPortGetCurrentIrql(
 915   VOID);
 916
 917 VPAPI
 918 PVOID
 919 DDKAPI
 920 VideoPortGetDeviceBase(
 921   IN PVOID  HwDeviceExtension,
 922   IN PHYSICAL_ADDRESS  IoAddress,
 923   IN ULONG  NumberOfUchars,
 924   IN UCHAR  InIoSpace);
 925
 926 VPAPI
 927 VP_STATUS
 928 DDKAPI
 929 VideoPortGetDeviceData(
 930   IN PVOID  HwDeviceExtension,
 931   IN VIDEO_DEVICE_DATA_TYPE  DeviceDataType,
 932   IN PMINIPORT_QUERY_DEVICE_ROUTINE  CallbackRoutine,
 933   IN PVOID  Context);
 934
 935 VPAPI
 936 PVP_DMA_ADAPTER
 937 DDKAPI
 938 VideoPortGetDmaAdapter(
 939   IN PVOID  HwDeviceExtension,
 940   IN PVP_DEVICE_DESCRIPTION  VpDeviceDescription);
 941
 942 VPAPI
 943 PVOID
 944 DDKAPI
 945 VideoPortGetDmaContext(
 946   IN PVOID  HwDeviceExtension,
 947   IN PDMA  pDma);
 948
 949 VPAPI
 950 PVOID
 951 DDKAPI
 952 VideoPortGetMdl(
 953   IN PVOID  HwDeviceExtension,
 954   IN PDMA  pDma);
 955
 956 VPAPI
 957 VP_STATUS
 958 DDKAPI
 959 VideoPortGetRegistryParameters(
 960   IN PVOID  HwDeviceExtension,
 961   IN PWSTR  ParameterName,
 962   IN UCHAR  IsParameterFileName,
 963   IN PMINIPORT_GET_REGISTRY_ROUTINE  CallbackRoutine,
 964   IN PVOID  Context);
 965
 966 VPAPI
 967 PVOID
 968 DDKAPI
 969 VideoPortGetRomImage(
 970   IN PVOID  HwDeviceExtension,
 971   IN PVOID  Unused1,
 972   IN ULONG  Unused2,
 973   IN ULONG  Length);
 974
 975 VPAPI
 976 VP_STATUS
 977 DDKAPI
 978 VideoPortGetVersion(
 979   IN PVOID  HwDeviceExtension,
 980   IN OUT PVPOSVERSIONINFO  pVpOsVersionInfo);
 981
 982 VPAPI
 983 VP_STATUS
 984 DDKAPI
 985 VideoPortGetVgaStatus(
 986   IN PVOID  HwDeviceExtension,
 987   OUT PULONG  VgaStatus);
 988
 989 VPAPI
 990 ULONG
 991 DDKAPI
 992 VideoPortInitialize(
 993   IN PVOID  Argument1,
 994   IN PVOID  Argument2,
 995   IN PVIDEO_HW_INITIALIZATION_DATA  HwInitializationData,
 996   IN PVOID  HwContext);
 997
 998 VPAPI
 999 VP_STATUS
1000 DDKAPI
1001 VideoPortInt10(
1002   IN PVOID  HwDeviceExtension,
1003   IN PVIDEO_X86_BIOS_ARGUMENTS  BiosArguments);
1004
1005 VPAPI
1006 LONG
1007 FASTCALL
1008 VideoPortInterlockedDecrement(
1009   IN PLONG  Addend);
1010
1011 VPAPI
1012 LONG
1013 FASTCALL
1014 VideoPortInterlockedExchange(
1015   IN OUT PLONG  Target,
1016   IN LONG  Value);
1017
1018 VPAPI
1019 LONG
1020 FASTCALL
1021 VideoPortInterlockedIncrement(
1022   IN PLONG  Addend);
1023
1024 typedef enum _VP_LOCK_OPERATION {
1025   VpReadAccess = 0,
1026   VpWriteAccess,
1027   VpModifyAccess
1028 } VP_LOCK_OPERATION;
1029
1030 VPAPI
1031 PVOID
1032 DDKAPI
1033 VideoPortLockBuffer(
1034   IN PVOID  HwDeviceExtension,
1035   IN PVOID  BaseAddress,
1036   IN ULONG  Length,
1037   IN VP_LOCK_OPERATION  Operation);
1038
1039 VPAPI
1040 BOOLEAN
1041 DDKAPI
1042 VideoPortLockPages(
1043   IN PVOID  HwDeviceExtension,
1044   IN OUT PVIDEO_REQUEST_PACKET  pVrp,
1045   IN OUT PEVENT  pUEvent,
1046   IN PEVENT  pDisplayEvent,
1047   IN DMA_FLAGS  DmaFlags);
1048
1049 VPAPI
1050 VOID
1051 DDKAPI
1052 VideoPortLogError(
1053   IN PVOID  HwDeviceExtension,
1054   IN PVIDEO_REQUEST_PACKET  Vrp  OPTIONAL,
1055   IN VP_STATUS  ErrorCode,
1056   IN ULONG  UniqueId);
1057
1058 VPAPI
1059 VP_STATUS
1060 DDKAPI
1061 VideoPortMapBankedMemory(
1062   IN PVOID  HwDeviceExtension,
1063   IN PHYSICAL_ADDRESS  PhysicalAddress,
1064   IN OUT PULONG  Length,
1065   PULONG  InIoSpace,
1066   PVOID  *VirtualAddress,
1067   ULONG  BankLength,
1068   UCHAR  ReadWriteBank,
1069   PBANKED_SECTION_ROUTINE  BankRoutine,
1070   PVOID  Context);
1071
1072 VPAPI
1073 PDMA
1074 DDKAPI
1075 VideoPortMapDmaMemory(
1076   IN PVOID  HwDeviceExtension,
1077   IN PVIDEO_REQUEST_PACKET  pVrp,
1078   IN PHYSICAL_ADDRESS  BoardAddress,
1079   IN PULONG  Length,
1080   IN PULONG  InIoSpace,
1081   IN PVOID  MappedUserEvent,
1082   IN PVOID  DisplayDriverEvent,
1083   IN OUT PVOID  *VirtualAddress);
1084
1085 VPAPI
1086 VP_STATUS
1087 DDKAPI
1088 VideoPortMapMemory(
1089   IN PVOID  HwDeviceExtension,
1090   IN PHYSICAL_ADDRESS  PhysicalAddress,
1091   IN OUT PULONG  Length,
1092   IN PULONG  InIoSpace,
1093   IN OUT PVOID  *VirtualAddress);
1094
1095 VPAPI
1096 VOID
1097 DDKAPI
1098 VideoPortMoveMemory(
1099   IN PVOID  Destination,
1100   IN PVOID  Source,
1101   IN ULONG  Length);
1102
1103 VPAPI
1104 VOID
1105 DDKAPI
1106 VideoPortPutDmaAdapter(
1107   IN PVOID  HwDeviceExtension,
1108   IN PVP_DMA_ADAPTER  VpDmaAdapter);
1109
1110 VPAPI
1111 LONGLONG
1112 DDKAPI
1113 VideoPortQueryPerformanceCounter(
1114   IN PVOID  HwDeviceExtension,
1115   OUT PLONGLONG  PerformanceFrequency  OPTIONAL);
1116
1117 /* VideoPortQueryServices.ServicesType constants */
1118 typedef enum _VIDEO_PORT_SERVICES {
1119   VideoPortServicesAGP = 1,
1120   VideoPortServicesI2C,
1121   VideoPortServicesHeadless,
1122   VideoPortServicesInt10
1123 } VIDEO_PORT_SERVICES;
1124
1125 VPAPI
1126 VP_STATUS
1127 DDKAPI
1128 VideoPortQueryServices(
1129   IN PVOID HwDeviceExtension,
1130   IN VIDEO_PORT_SERVICES ServicesType,
1131   IN OUT PINTERFACE Interface);
1132
1133 VPAPI
1134 VOID
1135 DDKAPI
1136 VideoPortQuerySystemTime(
1137   OUT PLARGE_INTEGER  CurrentTime);
1138
1139 VPAPI
1140 BOOLEAN
1141 DDKAPI
1142 VideoPortQueueDpc(
1143   IN PVOID  HwDeviceExtension,
1144   IN PMINIPORT_DPC_ROUTINE  CallbackRoutine,
1145   IN PVOID  Context);
1146
1147 VPAPI
1148 VOID
1149 DDKAPI
1150 VideoPortReadPortBufferUchar(
1151   IN PUCHAR  Port,
1152   OUT PUCHAR  Buffer,
1153   IN ULONG  Count);
1154
1155 VPAPI
1156 VOID
1157 DDKAPI
1158 VideoPortReadPortBufferUlong(
1159   IN PULONG  Port,
1160   OUT PULONG  Buffer,
1161   IN ULONG  Count);
1162
1163 VPAPI
1164 VOID
1165 DDKAPI
1166 VideoPortReadPortBufferUshort(
1167   IN PUSHORT  Port,
1168   OUT PUSHORT  Buffer,
1169   IN ULONG  Count);
1170
1171 VPAPI
1172 UCHAR
1173 DDKAPI
1174 VideoPortReadPortUchar(
1175   IN PUCHAR  Port);
1176
1177 VPAPI
1178 ULONG
1179 DDKAPI
1180 VideoPortReadPortUlong(
1181   IN PULONG  Port);
1182
1183 VPAPI
1184 USHORT
1185 DDKAPI
1186 VideoPortReadPortUshort(
1187   IN PUSHORT  Port);
1188
1189 VPAPI
1190 VOID
1191 DDKAPI
1192 VideoPortReadRegisterBufferUchar(
1193   IN PUCHAR  Register,
1194   OUT PUCHAR  Buffer,
1195   IN ULONG  Count);
1196
1197 VPAPI
1198 VOID
1199 DDKAPI
1200 VideoPortReadRegisterBufferUlong(
1201   IN PULONG  Register,
1202   OUT PULONG  Buffer,
1203   IN ULONG  Count);
1204
1205 VPAPI
1206 VOID
1207 DDKAPI
1208 VideoPortReadRegisterBufferUshort(
1209   IN PUSHORT  Register,
1210   OUT PUSHORT  Buffer,
1211   IN ULONG  Count);
1212
1213 VPAPI
1214 UCHAR
1215 DDKAPI
1216 VideoPortReadRegisterUchar(
1217   IN PUCHAR  Register);
1218
1219 VPAPI
1220 ULONG
1221 DDKAPI
1222 VideoPortReadRegisterUlong(
1223   IN PULONG  Register);
1224
1225 VPAPI
1226 USHORT
1227 DDKAPI
1228 VideoPortReadRegisterUshort(
1229   IN PUSHORT  Register);
1230
1231 VPAPI
1232 LONG
1233 DDKAPI
1234 VideoPortReadStateEvent(
1235   IN PVOID  HwDeviceExtension,
1236   IN PEVENT  pEvent);
1237
1238 VPAPI
1239 VOID
1240 DDKAPI
1241 VideoPortReleaseBuffer(
1242   IN PVOID  HwDeviceExtension,
1243   IN PVOID  Buffer);
1244
1245 VPAPI
1246 VOID
1247 DDKAPI
1248 VideoPortReleaseCommonBuffer(
1249   IN PVOID  HwDeviceExtension,
1250   IN PVP_DMA_ADAPTER  VpDmaAdapter,
1251   IN ULONG  Length,
1252   IN PHYSICAL_ADDRESS  LogicalAddress,
1253   IN PVOID  VirtualAddress,
1254   IN BOOLEAN  CacheEnabled);
1255
1256 VPAPI
1257 VOID
1258 DDKAPI
1259 VideoPortReleaseDeviceLock(
1260   IN PVOID  HwDeviceExtension);
1261
1262 VPAPI
1263 VOID
1264 DDKAPI
1265 VideoPortReleaseSpinLock(
1266   IN PVOID  HwDeviceExtension,
1267   IN PSPIN_LOCK  SpinLock,
1268   IN UCHAR  NewIrql);
1269
1270 VPAPI
1271 VOID
1272 DDKAPI
1273 VideoPortReleaseSpinLockFromDpcLevel(
1274   IN PVOID  HwDeviceExtension,
1275   IN PSPIN_LOCK  SpinLock);
1276
1277 VPAPI
1278 BOOLEAN
1279 DDKAPI
1280 VideoPortScanRom(
1281   PVOID  HwDeviceExtension,
1282   PUCHAR  RomBase,
1283   ULONG  RomLength,
1284   PUCHAR  String);
1285
1286 VPAPI
1287 ULONG
1288 DDKAPI
1289 VideoPortSetBusData(
1290   IN PVOID  HwDeviceExtension,
1291   IN BUS_DATA_TYPE  BusDataType,
1292   IN ULONG  SlotNumber,
1293   IN PVOID  Buffer,
1294   IN ULONG  Offset,
1295   IN ULONG  Length);
1296
1297 VPAPI
1298 VOID
1299 DDKAPI
1300 VideoPortSetBytesUsed(
1301   IN PVOID  HwDeviceExtension,
1302   IN OUT PDMA  pDma,
1303   IN ULONG  BytesUsed);
1304
1305 VPAPI
1306 VOID
1307 DDKAPI
1308 VideoPortSetDmaContext(
1309   IN PVOID  HwDeviceExtension,
1310   OUT PDMA  pDma,
1311   IN PVOID  InstanceContext);
1312
1313 VPAPI
1314 LONG
1315 DDKAPI
1316 VideoPortSetEvent(
1317   IN PVOID  HwDeviceExtension,
1318   IN PEVENT  pEvent);
1319
1320 VPAPI
1321 VP_STATUS
1322 DDKAPI
1323 VideoPortSetRegistryParameters(
1324   IN PVOID  HwDeviceExtension,
1325   IN PWSTR  ValueName,
1326   IN PVOID  ValueData,
1327   IN ULONG  ValueLength);
1328
1329 VPAPI
1330 VP_STATUS
1331 DDKAPI
1332 VideoPortSetTrappedEmulatorPorts(
1333   IN PVOID  HwDeviceExtension,
1334   IN ULONG  NumAccessRanges,
1335   IN PVIDEO_ACCESS_RANGE  AccessRange);
1336
1337 VPAPI
1338 BOOLEAN
1339 DDKAPI
1340 VideoPortSignalDmaComplete(
1341   IN PVOID  HwDeviceExtension,
1342   IN PDMA  pDmaHandle);
1343
1344 VPAPI
1345 VOID
1346 DDKAPI
1347 VideoPortStallExecution(
1348   IN ULONG  Microseconds);
1349
1350 VPAPI
1351 VP_STATUS
1352 DDKAPI
1353 VideoPortStartDma(
1354   IN PVOID  HwDeviceExtension,
1355   IN PVP_DMA_ADAPTER  VpDmaAdapter,
1356   IN PVOID  Mdl,
1357   IN ULONG  Offset,
1358   IN OUT PULONG  pLength,
1359   IN PEXECUTE_DMA  ExecuteDmaRoutine,
1360   IN PVOID  Context,
1361   IN BOOLEAN  WriteToDevice);
1362
1363 VPAPI
1364 VOID
1365 DDKAPI
1366 VideoPortStartTimer(
1367   IN PVOID  HwDeviceExtension);
1368
1369 VPAPI
1370 VOID
1371 DDKAPI
1372 VideoPortStopTimer(
1373   IN PVOID  HwDeviceExtension);
1374
1375 /* VideoPortSynchronizeExecution.Priority constants */
1376 typedef enum VIDEO_SYNCHRONIZE_PRIORITY {
1377   VpLowPriority = 0,
1378   VpMediumPriority,
1379   VpHighPriority
1380 } VIDEO_SYNCHRONIZE_PRIORITY, *PVIDEO_SYNCHRONIZE_PRIORITY;
1381
1382 VPAPI
1383 BOOLEAN
1384 DDKAPI
1385 VideoPortSynchronizeExecution(
1386   IN PVOID  HwDeviceExtension,
1387   IN VIDEO_SYNCHRONIZE_PRIORITY  Priority,
1388   IN PMINIPORT_SYNCHRONIZE_ROUTINE  SynchronizeRoutine,
1389   IN PVOID  Context);
1390
1391 VPAPI
1392 VOID
1393 DDKAPI
1394 VideoPortUnLockBuffer(
1395   IN PVOID  HwDeviceExtension,
1396   IN PVOID  Mdl);
1397
1398 VPAPI
1399 BOOLEAN
1400 DDKAPI
1401 VideoPortUnlockPages(
1402   IN PVOID  hwDeviceExtension,
1403   IN OUT PDMA  pDma);
1404
1405 VPAPI
1406 BOOLEAN
1407 DDKAPI
1408 VideoPortUnmapDmaMemory(
1409   IN PVOID  HwDeviceExtension,
1410   IN PVOID  VirtualAddress,
1411   IN HANDLE  ProcessHandle,
1412   IN PDMA  BoardMemoryHandle);
1413
1414 VPAPI
1415 VP_STATUS
1416 DDKAPI
1417 VideoPortUnmapMemory(
1418   IN PVOID  HwDeviceExtension,
1419   IN OUT PVOID  VirtualAddress,
1420   IN HANDLE  ProcessHandle);
1421
1422 VPAPI
1423 VP_STATUS
1424 DDKAPI
1425 VideoPortVerifyAccessRanges(
1426   IN PVOID  HwDeviceExtension,
1427   IN ULONG  NumAccessRanges,
1428   IN PVIDEO_ACCESS_RANGE  AccessRanges);
1429
1430 VPAPI
1431 VP_STATUS
1432 DDKAPI
1433 VideoPortWaitForSingleObject(
1434   IN PVOID  HwDeviceExtension,
1435   IN PVOID  Object,
1436   IN PLARGE_INTEGER  Timeout  OPTIONAL);
1437
1438 VPAPI
1439 VOID
1440 DDKAPI
1441 VideoPortWritePortBufferUchar(
1442   IN PUCHAR  Port,
1443   IN PUCHAR  Buffer,
1444   IN ULONG  Count);
1445
1446 VPAPI
1447 VOID
1448 DDKAPI
1449 VideoPortWritePortBufferUlong(
1450   IN PULONG  Port,
1451   IN PULONG  Buffer,
1452   IN ULONG  Count);
1453
1454 VPAPI
1455 VOID
1456 DDKAPI
1457 VideoPortWritePortBufferUshort(
1458   IN PUSHORT  Port,
1459   IN PUSHORT  Buffer,
1460   IN ULONG  Count);
1461
1462 VPAPI
1463 VOID
1464 DDKAPI
1465 VideoPortWritePortUchar(
1466   IN PUCHAR  Port,
1467   IN UCHAR  Value);
1468
1469 VPAPI
1470 VOID
1471 DDKAPI
1472 VideoPortWritePortUlong(
1473   IN PULONG  Port,
1474   IN ULONG  Value);
1475
1476 VPAPI
1477 VOID
1478 DDKAPI
1479 VideoPortWritePortUshort(
1480   IN PUSHORT  Port,
1481   IN USHORT  Value);
1482
1483 VPAPI
1484 VOID
1485 DDKAPI
1486 VideoPortWriteRegisterBufferUchar(
1487   IN PUCHAR  Register,
1488   IN PUCHAR  Buffer,
1489   IN ULONG  Count);
1490
1491 VPAPI
1492 VOID
1493 DDKAPI
1494 VideoPortWriteRegisterBufferUlong(
1495   IN PULONG  Register,
1496   IN PULONG  Buffer,
1497   IN ULONG  Count);
1498
1499 VPAPI
1500 VOID
1501 DDKAPI
1502 VideoPortWriteRegisterBufferUshort(
1503   IN PUSHORT  Register,
1504   IN PUSHORT  Buffer,
1505   IN ULONG  Count);
1506
1507 VPAPI
1508 VOID
1509 DDKAPI
1510 VideoPortWriteRegisterUchar(
1511   IN PUCHAR  Register,
1512   IN UCHAR  Value);
1513
1514 VPAPI
1515 VOID
1516 DDKAPI
1517 VideoPortWriteRegisterUlong(
1518   IN PULONG  Register,
1519   IN ULONG  Value);
1520
1521 VPAPI
1522 VOID
1523 DDKAPI
1524 VideoPortWriteRegisterUshort(
1525   IN PUSHORT  Register,
1526   IN USHORT  Value);
1527
1528 VPAPI
1529 VOID
1530 DDKAPI
1531 VideoPortZeroDeviceMemory(
1532   IN PVOID  Destination,
1533   IN ULONG  Length);
1534
1535 VPAPI
1536 VOID
1537 DDKAPI
1538 VideoPortZeroMemory(
1539   IN PVOID  Destination,
1540   IN ULONG  Length);
1541
1542 #if DBG
1543 #define VideoDebugPrint(x) VideoPortDebugPrint x
1544 #else
1545 #define VideoDebugPrint(x)
1546 #endif
1547
1548 #ifdef __cplusplus
1549 }
1550 #endif
1551
1552 #endif /* defined _WINDDI_ */
1553
1554 #endif /* __VIDEO_H__ */