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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *PVIDEO_HW_INITIALIZE)(
 237   IN PVOID  HwDeviceExtension);
 238
 239 typedef BOOLEAN
 240 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *PVIDEO_HW_QUERY_INTERFACE)(
 288   IN PVOID  HwDeviceExtension,
 289   IN OUT  PQUERY_INTERFACE  QueryInterface);
 290
 291 typedef VP_STATUS
 292 (NTAPI *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 (NTAPI *PVIDEO_HW_RESET_HW)(
 301   IN PVOID  HwDeviceExtension,
 302   IN ULONG  Columns,
 303   IN ULONG  Rows);
 304
 305 typedef VP_STATUS
 306 (NTAPI *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 (NTAPI *PVIDEO_HW_START_IO)(
 330   IN PVOID  HwDeviceExtension,
 331   IN PVIDEO_REQUEST_PACKET  RequestPacket);
 332
 333 typedef BOOLEAN
 334 (NTAPI *PMINIPORT_SYNCHRONIZE_ROUTINE)(
 335   IN PVOID  Context);
 336
 337 typedef VOID
 338 (NTAPI *PVIDEO_HW_TIMER)(
 339   IN PVOID  HwDeviceExtension);
 340
 341 typedef VOID
 342 (NTAPI *PMINIPORT_DPC_ROUTINE)(
 343   IN PVOID  HwDeviceExtension,
 344   IN PVOID  Context);
 345
 346 typedef VP_STATUS
 347 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *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 (NTAPI *PVIDEO_WRITE_CLOCK_LINE)(
 484   PVOID HwDeviceExtension,
 485   UCHAR Data);
 486
 487 typedef VOID
 488 (NTAPI *PVIDEO_WRITE_DATA_LINE)(
 489   PVOID HwDeviceExtension,
 490   UCHAR Data);
 491
 492 typedef BOOLEAN
 493 (NTAPI *PVIDEO_READ_CLOCK_LINE)(
 494   PVOID HwDeviceExtension);
 495
 496 typedef BOOLEAN
 497 (NTAPI *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 (NTAPI *PI2C_START)(
 510   IN PVOID  HwDeviceExtension,
 511   IN PI2C_CALLBACKS  I2CCallbacks);
 512
 513 typedef BOOLEAN
 514 (NTAPI *PI2C_STOP)(
 515   IN PVOID  HwDeviceExtension,
 516   IN PI2C_CALLBACKS  I2CCallbacks);
 517
 518 typedef BOOLEAN
 519 (NTAPI *PI2C_WRITE)(
 520   IN PVOID  HwDeviceExtension,
 521   IN PI2C_CALLBACKS  I2CCallbacks,
 522   IN PUCHAR  Buffer,
 523   IN ULONG  Length);
 524
 525 typedef BOOLEAN
 526 (NTAPI *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 (NTAPI *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 (NTAPI *PINT10_CALL_BIOS)(
 556   IN PVOID  Context,
 557   IN OUT PINT10_BIOS_ARGUMENTS  BiosArguments);
 558
 559 typedef VP_STATUS
 560 (NTAPI *PINT10_FREE_BUFFER)(
 561   IN PVOID  Context,
 562   IN USHORT  Seg,
 563   IN USHORT  Off);
 564
 565 typedef VP_STATUS
 566 (NTAPI *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 (NTAPI *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 NTAPI
 634 VideoPortAcquireDeviceLock(
 635   IN PVOID  HwDeviceExtension);
 636
 637 VPAPI
 638 VOID
 639 NTAPI
 640 VideoPortAcquireSpinLock(
 641   IN PVOID  HwDeviceExtension,
 642   IN PSPIN_LOCK  SpinLock,
 643   OUT PUCHAR  OldIrql);
 644
 645 VPAPI
 646 VOID
 647 NTAPI
 648 VideoPortAcquireSpinLockAtDpcLevel(
 649   IN PVOID  HwDeviceExtension,
 650   IN PSPIN_LOCK  SpinLock);
 651
 652 VPAPI
 653 VP_STATUS
 654 NTAPI
 655 VideoPortAllocateBuffer(
 656   IN PVOID  HwDeviceExtension,
 657   IN ULONG  Size,
 658   OUT PVOID  *Buffer);
 659
 660 VPAPI
 661 PVOID
 662 NTAPI
 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 NTAPI
 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 NTAPI
 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 NTAPI
 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 NTAPI
 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 NTAPI
 724 VideoPortClearEvent(
 725   IN PVOID  HwDeviceExtension,
 726   IN PEVENT  pEvent);
 727
 728 VPAPI
 729 ULONG
 730 NTAPI
 731 VideoPortCompareMemory(
 732   IN PVOID  Source1,
 733   IN PVOID  Source2,
 734   IN ULONG  Length);
 735
 736 VPAPI
 737 VP_STATUS
 738 NTAPI
 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 NTAPI
 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 NTAPI
 757 VideoPortCreateSecondaryDisplay(
 758   IN PVOID  HwDeviceExtension,
 759   IN OUT PVOID  *SecondaryDeviceExtension,
 760   IN ULONG  ulFlag);
 761
 762 VPAPI
 763 VP_STATUS
 764 NTAPI
 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 NTAPI
 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 __cdecl
 787 VideoPortDebugPrint(
 788   IN VIDEO_DEBUG_LEVEL  DebugPrintLevel,
 789   IN PCHAR  DebugMessage,
 790   IN ...);
 791
 792 VPAPI
 793 VP_STATUS
 794 NTAPI
 795 VideoPortDeleteEvent(
 796   IN PVOID  HwDeviceExtension,
 797   IN PEVENT  pEvent);
 798
 799 VPAPI
 800 VP_STATUS
 801 NTAPI
 802 VideoPortDeleteSpinLock(
 803   IN PVOID  HwDeviceExtension,
 804   IN PSPIN_LOCK  SpinLock);
 805
 806 VPAPI
 807 VP_STATUS
 808 NTAPI
 809 VideoPortDisableInterrupt(
 810   IN PVOID  HwDeviceExtension);
 811
 812 VPAPI
 813 PDMA
 814 NTAPI
 815 VideoPortDoDma(
 816   IN PVOID  HwDeviceExtension,
 817   IN PDMA  pDma,
 818   IN DMA_FLAGS  DmaFlags);
 819
 820 VPAPI
 821 VP_STATUS
 822 NTAPI
 823 VideoPortEnableInterrupt(
 824   IN PVOID  HwDeviceExtension);
 825
 826 VPAPI
 827 VP_STATUS
 828 NTAPI
 829 VideoPortEnumerateChildren(
 830   IN PVOID  HwDeviceExtension,
 831   IN PVOID  Reserved);
 832
 833 VPAPI
 834 VOID
 835 NTAPI
 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 NTAPI
 846 VideoPortFreeDeviceBase(
 847   IN PVOID  HwDeviceExtension,
 848   IN PVOID  MappedAddress);
 849
 850 VPAPI
 851 VOID
 852 NTAPI
 853 VideoPortFreePool(
 854   IN PVOID  HwDeviceExtension,
 855   IN PVOID  Ptr);
 856
 857 VPAPI
 858 VP_STATUS
 859 NTAPI
 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 NTAPI
 873 VideoPortGetAssociatedDeviceExtension(
 874   IN PVOID  DeviceObject);
 875
 876 VPAPI
 877 ULONG
 878 NTAPI
 879 VideoPortGetAssociatedDeviceID(
 880   IN PVOID DeviceObject);
 881
 882 VPAPI
 883 ULONG
 884 NTAPI
 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 NTAPI
 896 VideoPortGetBytesUsed(
 897   IN PVOID  HwDeviceExtension,
 898   IN PDMA  pDma);
 899
 900 VPAPI
 901 PVOID
 902 NTAPI
 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 NTAPI
 914 VideoPortGetCurrentIrql(
 915   VOID);
 916
 917 VPAPI
 918 PVOID
 919 NTAPI
 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 NTAPI
 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 NTAPI
 938 VideoPortGetDmaAdapter(
 939   IN PVOID  HwDeviceExtension,
 940   IN PVP_DEVICE_DESCRIPTION  VpDeviceDescription);
 941
 942 VPAPI
 943 PVOID
 944 NTAPI
 945 VideoPortGetDmaContext(
 946   IN PVOID  HwDeviceExtension,
 947   IN PDMA  pDma);
 948
 949 VPAPI
 950 PVOID
 951 NTAPI
 952 VideoPortGetMdl(
 953   IN PVOID  HwDeviceExtension,
 954   IN PDMA  pDma);
 955
 956 VPAPI
 957 VP_STATUS
 958 NTAPI
 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 NTAPI
 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 NTAPI
 978 VideoPortGetVersion(
 979   IN PVOID  HwDeviceExtension,
 980   IN OUT PVPOSVERSIONINFO  pVpOsVersionInfo);
 981
 982 VPAPI
 983 VP_STATUS
 984 NTAPI
 985 VideoPortGetVgaStatus(
 986   IN PVOID  HwDeviceExtension,
 987   OUT PULONG  VgaStatus);
 988
 989 VPAPI
 990 ULONG
 991 NTAPI
 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 NTAPI
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 NTAPI
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 NTAPI
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 NTAPI
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 NTAPI
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 NTAPI
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 NTAPI
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 NTAPI
1098 VideoPortMoveMemory(
1099   IN PVOID  Destination,
1100   IN PVOID  Source,
1101   IN ULONG  Length);
1102
1103 VPAPI
1104 VOID
1105 NTAPI
1106 VideoPortPutDmaAdapter(
1107   IN PVOID  HwDeviceExtension,
1108   IN PVP_DMA_ADAPTER  VpDmaAdapter);
1109
1110 VPAPI
1111 LONGLONG
1112 NTAPI
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 NTAPI
1128 VideoPortQueryServices(
1129   IN PVOID HwDeviceExtension,
1130   IN VIDEO_PORT_SERVICES ServicesType,
1131   IN OUT PINTERFACE Interface);
1132
1133 VPAPI
1134 VOID
1135 NTAPI
1136 VideoPortQuerySystemTime(
1137   OUT PLARGE_INTEGER  CurrentTime);
1138
1139 VPAPI
1140 BOOLEAN
1141 NTAPI
1142 VideoPortIsNoVesa(
1143     VOID
1144 );
1145
1146 VPAPI
1147 BOOLEAN
1148 NTAPI
1149 VideoPortQueueDpc(
1150   IN PVOID  HwDeviceExtension,
1151   IN PMINIPORT_DPC_ROUTINE  CallbackRoutine,
1152   IN PVOID  Context);
1153
1154 VPAPI
1155 VOID
1156 NTAPI
1157 VideoPortReadPortBufferUchar(
1158   IN PUCHAR  Port,
1159   OUT PUCHAR  Buffer,
1160   IN ULONG  Count);
1161
1162 VPAPI
1163 VOID
1164 NTAPI
1165 VideoPortReadPortBufferUlong(
1166   IN PULONG  Port,
1167   OUT PULONG  Buffer,
1168   IN ULONG  Count);
1169
1170 VPAPI
1171 VOID
1172 NTAPI
1173 VideoPortReadPortBufferUshort(
1174   IN PUSHORT  Port,
1175   OUT PUSHORT  Buffer,
1176   IN ULONG  Count);
1177
1178 VPAPI
1179 UCHAR
1180 NTAPI
1181 VideoPortReadPortUchar(
1182   IN PUCHAR  Port);
1183
1184 VPAPI
1185 ULONG
1186 NTAPI
1187 VideoPortReadPortUlong(
1188   IN PULONG  Port);
1189
1190 VPAPI
1191 USHORT
1192 NTAPI
1193 VideoPortReadPortUshort(
1194   IN PUSHORT  Port);
1195
1196 VPAPI
1197 VOID
1198 NTAPI
1199 VideoPortReadRegisterBufferUchar(
1200   IN PUCHAR  Register,
1201   OUT PUCHAR  Buffer,
1202   IN ULONG  Count);
1203
1204 VPAPI
1205 VOID
1206 NTAPI
1207 VideoPortReadRegisterBufferUlong(
1208   IN PULONG  Register,
1209   OUT PULONG  Buffer,
1210   IN ULONG  Count);
1211
1212 VPAPI
1213 VOID
1214 NTAPI
1215 VideoPortReadRegisterBufferUshort(
1216   IN PUSHORT  Register,
1217   OUT PUSHORT  Buffer,
1218   IN ULONG  Count);
1219
1220 VPAPI
1221 UCHAR
1222 NTAPI
1223 VideoPortReadRegisterUchar(
1224   IN PUCHAR  Register);
1225
1226 VPAPI
1227 ULONG
1228 NTAPI
1229 VideoPortReadRegisterUlong(
1230   IN PULONG  Register);
1231
1232 VPAPI
1233 USHORT
1234 NTAPI
1235 VideoPortReadRegisterUshort(
1236   IN PUSHORT  Register);
1237
1238 VPAPI
1239 LONG
1240 NTAPI
1241 VideoPortReadStateEvent(
1242   IN PVOID  HwDeviceExtension,
1243   IN PEVENT  pEvent);
1244
1245 VPAPI
1246 VOID
1247 NTAPI
1248 VideoPortReleaseBuffer(
1249   IN PVOID  HwDeviceExtension,
1250   IN PVOID  Buffer);
1251
1252 VPAPI
1253 VOID
1254 NTAPI
1255 VideoPortReleaseCommonBuffer(
1256   IN PVOID  HwDeviceExtension,
1257   IN PVP_DMA_ADAPTER  VpDmaAdapter,
1258   IN ULONG  Length,
1259   IN PHYSICAL_ADDRESS  LogicalAddress,
1260   IN PVOID  VirtualAddress,
1261   IN BOOLEAN  CacheEnabled);
1262
1263 VPAPI
1264 VOID
1265 NTAPI
1266 VideoPortReleaseDeviceLock(
1267   IN PVOID  HwDeviceExtension);
1268
1269 VPAPI
1270 VOID
1271 NTAPI
1272 VideoPortReleaseSpinLock(
1273   IN PVOID  HwDeviceExtension,
1274   IN PSPIN_LOCK  SpinLock,
1275   IN UCHAR  NewIrql);
1276
1277 VPAPI
1278 VOID
1279 NTAPI
1280 VideoPortReleaseSpinLockFromDpcLevel(
1281   IN PVOID  HwDeviceExtension,
1282   IN PSPIN_LOCK  SpinLock);
1283
1284 VPAPI
1285 BOOLEAN
1286 NTAPI
1287 VideoPortScanRom(
1288   PVOID  HwDeviceExtension,
1289   PUCHAR  RomBase,
1290   ULONG  RomLength,
1291   PUCHAR  String);
1292
1293 VPAPI
1294 ULONG
1295 NTAPI
1296 VideoPortSetBusData(
1297   IN PVOID  HwDeviceExtension,
1298   IN BUS_DATA_TYPE  BusDataType,
1299   IN ULONG  SlotNumber,
1300   IN PVOID  Buffer,
1301   IN ULONG  Offset,
1302   IN ULONG  Length);
1303
1304 VPAPI
1305 VOID
1306 NTAPI
1307 VideoPortSetBytesUsed(
1308   IN PVOID  HwDeviceExtension,
1309   IN OUT PDMA  pDma,
1310   IN ULONG  BytesUsed);
1311
1312 VPAPI
1313 VOID
1314 NTAPI
1315 VideoPortSetDmaContext(
1316   IN PVOID  HwDeviceExtension,
1317   OUT PDMA  pDma,
1318   IN PVOID  InstanceContext);
1319
1320 VPAPI
1321 LONG
1322 NTAPI
1323 VideoPortSetEvent(
1324   IN PVOID  HwDeviceExtension,
1325   IN PEVENT  pEvent);
1326
1327 VPAPI
1328 VP_STATUS
1329 NTAPI
1330 VideoPortSetRegistryParameters(
1331   IN PVOID  HwDeviceExtension,
1332   IN PWSTR  ValueName,
1333   IN PVOID  ValueData,
1334   IN ULONG  ValueLength);
1335
1336 VPAPI
1337 VP_STATUS
1338 NTAPI
1339 VideoPortSetTrappedEmulatorPorts(
1340   IN PVOID  HwDeviceExtension,
1341   IN ULONG  NumAccessRanges,
1342   IN PVIDEO_ACCESS_RANGE  AccessRange);
1343
1344 VPAPI
1345 BOOLEAN
1346 NTAPI
1347 VideoPortSignalDmaComplete(
1348   IN PVOID  HwDeviceExtension,
1349   IN PDMA  pDmaHandle);
1350
1351 VPAPI
1352 VOID
1353 NTAPI
1354 VideoPortStallExecution(
1355   IN ULONG  Microseconds);
1356
1357 VPAPI
1358 VP_STATUS
1359 NTAPI
1360 VideoPortStartDma(
1361   IN PVOID  HwDeviceExtension,
1362   IN PVP_DMA_ADAPTER  VpDmaAdapter,
1363   IN PVOID  Mdl,
1364   IN ULONG  Offset,
1365   IN OUT PULONG  pLength,
1366   IN PEXECUTE_DMA  ExecuteDmaRoutine,
1367   IN PVOID  Context,
1368   IN BOOLEAN  WriteToDevice);
1369
1370 VPAPI
1371 VOID
1372 NTAPI
1373 VideoPortStartTimer(
1374   IN PVOID  HwDeviceExtension);
1375
1376 VPAPI
1377 VOID
1378 NTAPI
1379 VideoPortStopTimer(
1380   IN PVOID  HwDeviceExtension);
1381
1382 /* VideoPortSynchronizeExecution.Priority constants */
1383 typedef enum VIDEO_SYNCHRONIZE_PRIORITY {
1384   VpLowPriority = 0,
1385   VpMediumPriority,
1386   VpHighPriority
1387 } VIDEO_SYNCHRONIZE_PRIORITY, *PVIDEO_SYNCHRONIZE_PRIORITY;
1388
1389 VPAPI
1390 BOOLEAN
1391 NTAPI
1392 VideoPortSynchronizeExecution(
1393   IN PVOID  HwDeviceExtension,
1394   IN VIDEO_SYNCHRONIZE_PRIORITY  Priority,
1395   IN PMINIPORT_SYNCHRONIZE_ROUTINE  SynchronizeRoutine,
1396   IN PVOID  Context);
1397
1398 VPAPI
1399 VOID
1400 NTAPI
1401 VideoPortUnLockBuffer(
1402   IN PVOID  HwDeviceExtension,
1403   IN PVOID  Mdl);
1404
1405 VPAPI
1406 BOOLEAN
1407 NTAPI
1408 VideoPortUnlockPages(
1409   IN PVOID  hwDeviceExtension,
1410   IN OUT PDMA  pDma);
1411
1412 VPAPI
1413 BOOLEAN
1414 NTAPI
1415 VideoPortUnmapDmaMemory(
1416   IN PVOID  HwDeviceExtension,
1417   IN PVOID  VirtualAddress,
1418   IN HANDLE  ProcessHandle,
1419   IN PDMA  BoardMemoryHandle);
1420
1421 VPAPI
1422 VP_STATUS
1423 NTAPI
1424 VideoPortUnmapMemory(
1425   IN PVOID  HwDeviceExtension,
1426   IN OUT PVOID  VirtualAddress,
1427   IN HANDLE  ProcessHandle);
1428
1429 VPAPI
1430 VP_STATUS
1431 NTAPI
1432 VideoPortVerifyAccessRanges(
1433   IN PVOID  HwDeviceExtension,
1434   IN ULONG  NumAccessRanges,
1435   IN PVIDEO_ACCESS_RANGE  AccessRanges);
1436
1437 VPAPI
1438 VP_STATUS
1439 NTAPI
1440 VideoPortWaitForSingleObject(
1441   IN PVOID  HwDeviceExtension,
1442   IN PVOID  Object,
1443   IN PLARGE_INTEGER  Timeout  OPTIONAL);
1444
1445 VPAPI
1446 VOID
1447 NTAPI
1448 VideoPortWritePortBufferUchar(
1449   IN PUCHAR  Port,
1450   IN PUCHAR  Buffer,
1451   IN ULONG  Count);
1452
1453 VPAPI
1454 VOID
1455 NTAPI
1456 VideoPortWritePortBufferUlong(
1457   IN PULONG  Port,
1458   IN PULONG  Buffer,
1459   IN ULONG  Count);
1460
1461 VPAPI
1462 VOID
1463 NTAPI
1464 VideoPortWritePortBufferUshort(
1465   IN PUSHORT  Port,
1466   IN PUSHORT  Buffer,
1467   IN ULONG  Count);
1468
1469 VPAPI
1470 VOID
1471 NTAPI
1472 VideoPortWritePortUchar(
1473   IN PUCHAR  Port,
1474   IN UCHAR  Value);
1475
1476 VPAPI
1477 VOID
1478 NTAPI
1479 VideoPortWritePortUlong(
1480   IN PULONG  Port,
1481   IN ULONG  Value);
1482
1483 VPAPI
1484 VOID
1485 NTAPI
1486 VideoPortWritePortUshort(
1487   IN PUSHORT  Port,
1488   IN USHORT  Value);
1489
1490 VPAPI
1491 VOID
1492 NTAPI
1493 VideoPortWriteRegisterBufferUchar(
1494   IN PUCHAR  Register,
1495   IN PUCHAR  Buffer,
1496   IN ULONG  Count);
1497
1498 VPAPI
1499 VOID
1500 NTAPI
1501 VideoPortWriteRegisterBufferUlong(
1502   IN PULONG  Register,
1503   IN PULONG  Buffer,
1504   IN ULONG  Count);
1505
1506 VPAPI
1507 VOID
1508 NTAPI
1509 VideoPortWriteRegisterBufferUshort(
1510   IN PUSHORT  Register,
1511   IN PUSHORT  Buffer,
1512   IN ULONG  Count);
1513
1514 VPAPI
1515 VOID
1516 NTAPI
1517 VideoPortWriteRegisterUchar(
1518   IN PUCHAR  Register,
1519   IN UCHAR  Value);
1520
1521 VPAPI
1522 VOID
1523 NTAPI
1524 VideoPortWriteRegisterUlong(
1525   IN PULONG  Register,
1526   IN ULONG  Value);
1527
1528 VPAPI
1529 VOID
1530 NTAPI
1531 VideoPortWriteRegisterUshort(
1532   IN PUSHORT  Register,
1533   IN USHORT  Value);
1534
1535 VPAPI
1536 VOID
1537 NTAPI
1538 VideoPortZeroDeviceMemory(
1539   IN PVOID  Destination,
1540   IN ULONG  Length);
1541
1542 VPAPI
1543 VOID
1544 NTAPI
1545 VideoPortZeroMemory(
1546   IN PVOID  Destination,
1547   IN ULONG  Length);
1548
1549 #if DBG
1550 #define VideoDebugPrint(x) VideoPortDebugPrint x
1551 #else
1552 #define VideoDebugPrint(x)
1553 #endif
1554
1555 #ifdef __cplusplus
1556 }
1557 #endif
1558
1559 #endif /* defined _WINDDI_ */
1560
1561 #endif /* __VIDEO_H__ */