reactos/w32api/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 #if __GNUC__ >=3
  27 #pragma GCC system_header
  28 #endif
  29
  30 #ifdef __WINDDI_H
  31 #error winddi.h cannot be included with video.h
  32 #else
  33
  34 #if defined(_VIDEOPORT_)
  35   #define VPAPI DECLSPEC_EXPORT
  36 #else
  37   #define VPAPI DECLSPEC_IMPORT
  38 #endif
  39
  40 #include "videoagp.h"
  41 #include "ntddvdeo.h"
  42
  43 #ifdef __cplusplus
  44 extern "C" {
  45 #endif
  46
  47 typedef LONG VP_STATUS;
  48 typedef VP_STATUS *PVP_STATUS;
  49 typedef struct __DMA_PARAMETERS * PDMA;
  50 typedef struct _VIDEO_PORT_EVENT *PEVENT;
  51 typedef struct _VIDEO_PORT_SPIN_LOCK *PSPIN_LOCK;
  52 typedef struct __VP_DMA_ADAPTER *PVP_DMA_ADAPTER;
  53
  54 #define DISPLAY_ADAPTER_HW_ID             0xFFFFFFFF
  55
  56 #define EVENT_TYPE_MASK                   1
  57 #define SYNCHRONIZATION_EVENT             0
  58 #define NOTIFICATION_EVENT                1
  59
  60 #define INITIAL_EVENT_STATE_MASK          2
  61 #define INITIAL_EVENT_NOT_SIGNALED        0
  62 #define INITIAL_EVENT_SIGNALED            2
  63
  64 typedef enum VIDEO_DEBUG_LEVEL {
  65   Error = 0,
  66   Warn,
  67   Trace,
  68   Info
  69 } VIDEO_DEBUG_LEVEL, *PVIDEO_DEBUG_LEVEL;
  70
  71 typedef enum {
  72   VideoPortUnlockAfterDma = 1,
  73   VideoPortKeepPagesLocked,
  74   VideoPortDmaInitOnly
  75 } DMA_FLAGS;
  76
  77 typedef enum _HW_DMA_RETURN {
  78   DmaAsyncReturn,
  79   DmaSyncReturn
  80 } HW_DMA_RETURN, *PHW_DMA_RETURN;
  81
  82 typedef HW_DMA_RETURN
  83 (*PVIDEO_HW_START_DMA)(
  84     PVOID  HwDeviceExtension,
  85     PDMA  pDma);
  86
  87
  88 #ifdef 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 DDKAPI
 147 (*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 DDKAPI
 154 (*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 DDKAPI
 191 (*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 DDKAPI
 199 (*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 DDKAPI
 260 (*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 DDKAPI
 267 (*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 VideoDebugPrint(
 635   IN ULONG  DebugPrintLevel,
 636   IN PCHAR  DebugMessage,
 637   IN ...);
 638
 639 VPAPI
 640 VOID
 641 DDKAPI
 642 VideoPortAcquireDeviceLock(
 643   IN PVOID  HwDeviceExtension);
 644
 645 VPAPI
 646 VOID
 647 DDKAPI
 648 VideoPortAcquireSpinLock(
 649   IN PVOID  HwDeviceExtension,
 650   IN PSPIN_LOCK  SpinLock,
 651   OUT PUCHAR  OldIrql);
 652
 653 VPAPI
 654 VOID
 655 DDKAPI
 656 VideoPortAcquireSpinLockAtDpcLevel(
 657   IN PVOID  HwDeviceExtension,
 658   IN PSPIN_LOCK  SpinLock);
 659
 660 VPAPI
 661 VP_STATUS
 662 DDKAPI
 663 VideoPortAllocateBuffer(
 664   IN PVOID  HwDeviceExtension,
 665   IN ULONG  Size,
 666   OUT PVOID  *Buffer);
 667
 668 VPAPI
 669 PVOID
 670 DDKAPI
 671 VideoPortAllocateCommonBuffer(
 672   IN PVOID  HwDeviceExtension,
 673   IN PVP_DMA_ADAPTER  VpDmaAdapter,
 674   IN ULONG  DesiredLength,
 675   OUT PPHYSICAL_ADDRESS  LogicalAddress,
 676   IN BOOLEAN  CacheEnabled,
 677   PVOID  Reserved);
 678
 679 VPAPI
 680 PVOID
 681 DDKAPI
 682 VideoPortAllocateContiguousMemory(
 683   IN PVOID  HwDeviceExtension,
 684   IN ULONG  NumberOfBytes,
 685   IN PHYSICAL_ADDRESS  HighestAcceptableAddress);
 686
 687 /* VideoPortAllocatePool.PoolType constants */
 688 typedef enum _VP_POOL_TYPE {
 689   VpNonPagedPool = 0,
 690   VpPagedPool,
 691   VpNonPagedPoolCacheAligned = 4,
 692   VpPagedPoolCacheAligned
 693 } VP_POOL_TYPE, *PVP_POOL_TYPE;
 694
 695 VPAPI
 696 PVOID
 697 DDKAPI
 698 VideoPortAllocatePool(
 699   IN PVOID  HwDeviceExtension,
 700   IN VP_POOL_TYPE  PoolType,
 701   IN SIZE_T  NumberOfBytes,
 702   IN ULONG  Tag);
 703
 704 VPAPI
 705 PDMA
 706 DDKAPI
 707 VideoPortAssociateEventsWithDmaHandle(
 708   IN PVOID  HwDeviceExtension,
 709   IN OUT PVIDEO_REQUEST_PACKET  pVrp,
 710   IN PVOID  MappedUserEvent,
 711   IN PVOID  DisplayDriverEvent);
 712
 713 /* VideoPortCheckForDeviceExistence.Flags constants */
 714 #define CDE_USE_SUBSYSTEM_IDS             0x00000001
 715 #define CDE_USE_REVISION                  0x00000002
 716
 717 VPAPI
 718 BOOLEAN
 719 DDKAPI
 720 VideoPortCheckForDeviceExistence(
 721   IN PVOID  HwDeviceExtension,
 722   IN USHORT  VendorId,
 723   IN USHORT  DeviceId,
 724   IN UCHAR  RevisionId,
 725   IN USHORT  SubVendorId,
 726   IN USHORT  SubSystemId,
 727   IN ULONG  Flags);
 728
 729 VPAPI
 730 VOID
 731 DDKAPI
 732 VideoPortClearEvent(
 733   IN PVOID  HwDeviceExtension,
 734   IN PEVENT  pEvent);
 735
 736 VPAPI
 737 ULONG
 738 DDKAPI
 739 VideoPortCompareMemory(
 740   IN PVOID  Source1,
 741   IN PVOID  Source2,
 742   IN ULONG  Length);
 743
 744 VPAPI
 745 VP_STATUS
 746 DDKAPI
 747 VideoPortCompleteDma(
 748   IN PVOID  HwDeviceExtension,
 749   IN PVP_DMA_ADAPTER  VpDmaAdapter,
 750   IN PVP_SCATTER_GATHER_LIST  VpScatterGather,
 751   IN BOOLEAN  WriteToDevice);
 752
 753 VPAPI
 754 VP_STATUS
 755 DDKAPI
 756 VideoPortCreateEvent(
 757   IN PVOID  HwDeviceExtension,
 758   IN ULONG  EventFlag,
 759   IN PVOID  Unused,
 760   OUT PEVENT  *ppEvent);
 761
 762 VPAPI
 763 VP_STATUS
 764 DDKAPI
 765 VideoPortCreateSecondaryDisplay(
 766   IN PVOID  HwDeviceExtension,
 767   IN OUT PVOID  *SecondaryDeviceExtension,
 768   IN ULONG  ulFlag);
 769
 770 VPAPI
 771 VP_STATUS
 772 DDKAPI
 773 VideoPortCreateSpinLock(
 774   IN PVOID  HwDeviceExtension,
 775   OUT PSPIN_LOCK  *SpinLock);
 776
 777 typedef struct _DDC_CONTROL {
 778   IN ULONG  Size;
 779   IN I2C_CALLBACKS  I2CCallbacks;
 780   IN UCHAR  EdidSegment;
 781 } DDC_CONTROL, *PDDC_CONTROL;
 782
 783 VPAPI
 784 BOOLEAN
 785 DDKAPI
 786 VideoPortDDCMonitorHelper(
 787   IN PVOID  HwDeviceExtension,
 788   IN PVOID  DDCControl,
 789   IN OUT PUCHAR  EdidBuffer,
 790   IN ULONG  EdidBufferSize);
 791
 792 VPAPI
 793 VOID
 794 DDKCDECLAPI
 795 VideoPortDebugPrint(
 796   IN VIDEO_DEBUG_LEVEL  DebugPrintLevel,
 797   IN PCHAR  DebugMessage,
 798   IN ...);
 799
 800 VPAPI
 801 VP_STATUS
 802 DDKAPI
 803 VideoPortDeleteEvent(
 804   IN PVOID  HwDeviceExtension,
 805   IN PEVENT  pEvent);
 806
 807 VPAPI
 808 VP_STATUS
 809 DDKAPI
 810 VideoPortDeleteSpinLock(
 811   IN PVOID  HwDeviceExtension,
 812   IN PSPIN_LOCK  SpinLock);
 813
 814 VPAPI
 815 VP_STATUS
 816 DDKAPI
 817 VideoPortDisableInterrupt(
 818   IN PVOID  HwDeviceExtension);
 819
 820 VPAPI
 821 PDMA
 822 DDKAPI
 823 VideoPortDoDma(
 824   IN PVOID  HwDeviceExtension,
 825   IN PDMA  pDma,
 826   IN DMA_FLAGS  DmaFlags);
 827
 828 VPAPI
 829 VP_STATUS
 830 DDKAPI
 831 VideoPortEnableInterrupt(
 832   IN PVOID  HwDeviceExtension);
 833
 834 VPAPI
 835 VP_STATUS
 836 DDKAPI
 837 VideoPortEnumerateChildren(
 838   IN PVOID  HwDeviceExtension,
 839   IN PVOID  Reserved);
 840
 841 VPAPI
 842 VOID
 843 DDKAPI
 844 VideoPortFreeCommonBuffer(
 845   IN PVOID  HwDeviceExtension,
 846   IN ULONG  Length,
 847   IN PVOID  VirtualAddress,
 848   IN PHYSICAL_ADDRESS  LogicalAddress,
 849   IN BOOLEAN  CacheEnabled);
 850
 851 VPAPI
 852 VOID
 853 DDKAPI
 854 VideoPortFreeDeviceBase(
 855   IN PVOID  HwDeviceExtension,
 856   IN PVOID  MappedAddress);
 857
 858 VPAPI
 859 VOID
 860 DDKAPI
 861 VideoPortFreePool(
 862   IN PVOID  HwDeviceExtension,
 863   IN PVOID  Ptr);
 864
 865 VPAPI
 866 VP_STATUS
 867 DDKAPI
 868 VideoPortGetAccessRanges(
 869   IN PVOID  HwDeviceExtension,
 870   IN ULONG  NumRequestedResources,
 871   IN PIO_RESOURCE_DESCRIPTOR  RequestedResources  OPTIONAL,
 872   IN ULONG  NumAccessRanges,
 873   OUT PVIDEO_ACCESS_RANGE  AccessRanges,
 874   IN PVOID  VendorId,
 875   IN PVOID  DeviceId,
 876   OUT PULONG  Slot);
 877
 878 VPAPI
 879 PVOID
 880 DDKAPI
 881 VideoPortGetAssociatedDeviceExtension(
 882   IN PVOID  DeviceObject);
 883
 884 VPAPI
 885 ULONG
 886 DDKAPI
 887 VideoPortGetAssociatedDeviceID(
 888   IN PVOID DeviceObject);
 889
 890 VPAPI
 891 ULONG
 892 DDKAPI
 893 VideoPortGetBusData(
 894   IN PVOID  HwDeviceExtension,
 895   IN BUS_DATA_TYPE  BusDataType,
 896   IN ULONG  SlotNumber,
 897   IN OUT PVOID  Buffer,
 898   IN ULONG  Offset,
 899   IN ULONG  Length);
 900
 901 VPAPI
 902 ULONG
 903 DDKAPI
 904 VideoPortGetBytesUsed(
 905   IN PVOID  HwDeviceExtension,
 906   IN PDMA  pDma);
 907
 908 VPAPI
 909 PVOID
 910 DDKAPI
 911 VideoPortGetCommonBuffer(
 912   IN PVOID  HwDeviceExtension,
 913   IN ULONG  DesiredLength,
 914   IN ULONG  Alignment,
 915   OUT PPHYSICAL_ADDRESS  LogicalAddress,
 916   OUT PULONG  pActualLength,
 917   IN BOOLEAN  CacheEnabled);
 918
 919 VPAPI
 920 UCHAR
 921 DDKAPI
 922 VideoPortGetCurrentIrql(
 923   VOID);
 924
 925 VPAPI
 926 PVOID
 927 DDKAPI
 928 VideoPortGetDeviceBase(
 929   IN PVOID  HwDeviceExtension,
 930   IN PHYSICAL_ADDRESS  IoAddress,
 931   IN ULONG  NumberOfUchars,
 932   IN UCHAR  InIoSpace);
 933
 934 VPAPI
 935 VP_STATUS
 936 DDKAPI
 937 VideoPortGetDeviceData(
 938   IN PVOID  HwDeviceExtension,
 939   IN VIDEO_DEVICE_DATA_TYPE  DeviceDataType,
 940   IN PMINIPORT_QUERY_DEVICE_ROUTINE  CallbackRoutine,
 941   IN PVOID  Context);
 942
 943 VPAPI
 944 PVP_DMA_ADAPTER
 945 DDKAPI
 946 VideoPortGetDmaAdapter(
 947   IN PVOID  HwDeviceExtension,
 948   IN PVP_DEVICE_DESCRIPTION  VpDeviceDescription);
 949
 950 VPAPI
 951 PVOID
 952 DDKAPI
 953 VideoPortGetDmaContext(
 954   IN PVOID  HwDeviceExtension,
 955   IN PDMA  pDma);
 956
 957 VPAPI
 958 PVOID
 959 DDKAPI
 960 VideoPortGetMdl(
 961   IN PVOID  HwDeviceExtension,
 962   IN PDMA  pDma);
 963
 964 VPAPI
 965 VP_STATUS
 966 DDKAPI
 967 VideoPortGetRegistryParameters(
 968   IN PVOID  HwDeviceExtension,
 969   IN PWSTR  ParameterName,
 970   IN UCHAR  IsParameterFileName,
 971   IN PMINIPORT_GET_REGISTRY_ROUTINE  CallbackRoutine,
 972   IN PVOID  Context);
 973
 974 VPAPI
 975 PVOID
 976 DDKAPI
 977 VideoPortGetRomImage(
 978   IN PVOID  HwDeviceExtension,
 979   IN PVOID  Unused1,
 980   IN ULONG  Unused2,
 981   IN ULONG  Length);
 982
 983 VPAPI
 984 VP_STATUS
 985 DDKAPI
 986 VideoPortGetVersion(
 987   IN PVOID  HwDeviceExtension,
 988   IN OUT PVPOSVERSIONINFO  pVpOsVersionInfo);
 989
 990 VPAPI
 991 VP_STATUS
 992 DDKAPI
 993 VideoPortGetVgaStatus(
 994   IN PVOID  HwDeviceExtension,
 995   OUT PULONG  VgaStatus);
 996
 997 VPAPI
 998 ULONG
 999 DDKAPI
1000 VideoPortInitialize(
1001   IN PVOID  Argument1,
1002   IN PVOID  Argument2,
1003   IN PVIDEO_HW_INITIALIZATION_DATA  HwInitializationData,
1004   IN PVOID  HwContext);
1005
1006 VPAPI
1007 VP_STATUS
1008 DDKAPI
1009 VideoPortInt10(
1010   IN PVOID  HwDeviceExtension,
1011   IN PVIDEO_X86_BIOS_ARGUMENTS  BiosArguments);
1012
1013 VPAPI
1014 LONG
1015 DDKFASTAPI
1016 VideoPortInterlockedDecrement(
1017   IN PLONG  Addend);
1018
1019 VPAPI
1020 LONG
1021 DDKFASTAPI
1022 VideoPortInterlockedExchange(
1023   IN OUT PLONG  Target,
1024   IN LONG  Value);
1025
1026 VPAPI
1027 LONG
1028 DDKFASTAPI
1029 VideoPortInterlockedIncrement(
1030   IN PLONG  Addend);
1031
1032 typedef enum _VP_LOCK_OPERATION {
1033   VpReadAccess = 0,
1034   VpWriteAccess,
1035   VpModifyAccess
1036 } VP_LOCK_OPERATION;
1037
1038 VPAPI
1039 PVOID
1040 DDKAPI
1041 VideoPortLockBuffer(
1042   IN PVOID  HwDeviceExtension,
1043   IN PVOID  BaseAddress,
1044   IN ULONG  Length,
1045   IN VP_LOCK_OPERATION  Operation);
1046
1047 VPAPI
1048 BOOLEAN
1049 DDKAPI
1050 VideoPortLockPages(
1051   IN PVOID  HwDeviceExtension,
1052   IN OUT PVIDEO_REQUEST_PACKET  pVrp,
1053   IN OUT PEVENT  pUEvent,
1054   IN PEVENT  pDisplayEvent,
1055   IN DMA_FLAGS  DmaFlags);
1056
1057 VPAPI
1058 VOID
1059 DDKAPI
1060 VideoPortLogError(
1061   IN PVOID  HwDeviceExtension,
1062   IN PVIDEO_REQUEST_PACKET  Vrp  OPTIONAL,
1063   IN VP_STATUS  ErrorCode,
1064   IN ULONG  UniqueId);
1065
1066 VPAPI
1067 VP_STATUS
1068 DDKAPI
1069 VideoPortMapBankedMemory(
1070   IN PVOID  HwDeviceExtension,
1071   IN PHYSICAL_ADDRESS  PhysicalAddress,
1072   IN OUT PULONG  Length,
1073   PULONG  InIoSpace,
1074   PVOID  *VirtualAddress,
1075   ULONG  BankLength,
1076   UCHAR  ReadWriteBank,
1077   PBANKED_SECTION_ROUTINE  BankRoutine,
1078   PVOID  Context);
1079
1080 VPAPI
1081 PDMA
1082 DDKAPI
1083 VideoPortMapDmaMemory(
1084   IN PVOID  HwDeviceExtension,
1085   IN PVIDEO_REQUEST_PACKET  pVrp,
1086   IN PHYSICAL_ADDRESS  BoardAddress,
1087   IN PULONG  Length,
1088   IN PULONG  InIoSpace,
1089   IN PVOID  MappedUserEvent,
1090   IN PVOID  DisplayDriverEvent,
1091   IN OUT PVOID  *VirtualAddress);
1092
1093 VPAPI
1094 VP_STATUS
1095 DDKAPI
1096 VideoPortMapMemory(
1097   IN PVOID  HwDeviceExtension,
1098   IN PHYSICAL_ADDRESS  PhysicalAddress,
1099   IN OUT PULONG  Length,
1100   IN PULONG  InIoSpace,
1101   IN OUT PVOID  *VirtualAddress);
1102
1103 VPAPI
1104 VOID
1105 DDKAPI
1106 VideoPortMoveMemory(
1107   IN PVOID  Destination,
1108   IN PVOID  Source,
1109   IN ULONG  Length);
1110
1111 VPAPI
1112 VOID
1113 DDKAPI
1114 VideoPortPutDmaAdapter(
1115   IN PVOID  HwDeviceExtension,
1116   IN PVP_DMA_ADAPTER  VpDmaAdapter);
1117
1118 VPAPI
1119 LONGLONG
1120 DDKAPI
1121 VideoPortQueryPerformanceCounter(
1122   IN PVOID  HwDeviceExtension,
1123   OUT PLONGLONG  PerformanceFrequency  OPTIONAL);
1124
1125 /* VideoPortQueryServices.ServicesType constants */
1126 typedef enum _VIDEO_PORT_SERVICES {
1127   VideoPortServicesAGP = 1,
1128   VideoPortServicesI2C,
1129   VideoPortServicesHeadless,
1130   VideoPortServicesInt10
1131 } VIDEO_PORT_SERVICES;
1132
1133 VPAPI
1134 VP_STATUS
1135 DDKAPI
1136 VideoPortQueryServices(
1137   IN PVOID HwDeviceExtension,
1138   IN VIDEO_PORT_SERVICES ServicesType,
1139   IN OUT PINTERFACE Interface);
1140
1141 VPAPI
1142 VOID
1143 DDKAPI
1144 VideoPortQuerySystemTime(
1145   OUT PLARGE_INTEGER  CurrentTime);
1146
1147 VPAPI
1148 BOOLEAN
1149 DDKAPI
1150 VideoPortQueueDpc(
1151   IN PVOID  HwDeviceExtension,
1152   IN PMINIPORT_DPC_ROUTINE  CallbackRoutine,
1153   IN PVOID  Context);
1154
1155 VPAPI
1156 VOID
1157 DDKAPI
1158 VideoPortReadPortBufferUchar(
1159   IN PUCHAR  Port,
1160   OUT PUCHAR  Buffer,
1161   IN ULONG  Count);
1162
1163 VPAPI
1164 VOID
1165 DDKAPI
1166 VideoPortReadPortBufferUlong(
1167   IN PULONG  Port,
1168   OUT PULONG  Buffer,
1169   IN ULONG  Count);
1170
1171 VPAPI
1172 VOID
1173 DDKAPI
1174 VideoPortReadPortBufferUshort(
1175   IN PUSHORT  Port,
1176   OUT PUSHORT  Buffer,
1177   IN ULONG  Count);
1178
1179 VPAPI
1180 UCHAR
1181 DDKAPI
1182 VideoPortReadPortUchar(
1183   IN PUCHAR  Port);
1184
1185 VPAPI
1186 ULONG
1187 DDKAPI
1188 VideoPortReadPortUlong(
1189   IN PULONG  Port);
1190
1191 VPAPI
1192 USHORT
1193 DDKAPI
1194 VideoPortReadPortUshort(
1195   IN PUSHORT  Port);
1196
1197 VPAPI
1198 VOID
1199 DDKAPI
1200 VideoPortReadRegisterBufferUchar(
1201   IN PUCHAR  Register,
1202   OUT PUCHAR  Buffer,
1203   IN ULONG  Count);
1204
1205 VPAPI
1206 VOID
1207 DDKAPI
1208 VideoPortReadRegisterBufferUlong(
1209   IN PULONG  Register,
1210   OUT PULONG  Buffer,
1211   IN ULONG  Count);
1212
1213 VPAPI
1214 VOID
1215 DDKAPI
1216 VideoPortReadRegisterBufferUshort(
1217   IN PUSHORT  Register,
1218   OUT PUSHORT  Buffer,
1219   IN ULONG  Count);
1220
1221 VPAPI
1222 UCHAR
1223 DDKAPI
1224 VideoPortReadRegisterUchar(
1225   IN PUCHAR  Register);
1226
1227 VPAPI
1228 ULONG
1229 DDKAPI
1230 VideoPortReadRegisterUlong(
1231   IN PULONG  Register);
1232
1233 VPAPI
1234 USHORT
1235 DDKAPI
1236 VideoPortReadRegisterUshort(
1237   IN PUSHORT  Register);
1238
1239 VPAPI
1240 LONG
1241 DDKAPI
1242 VideoPortReadStateEvent(
1243   IN PVOID  HwDeviceExtension,
1244   IN PEVENT  pEvent);
1245
1246 VPAPI
1247 VOID
1248 DDKAPI
1249 VideoPortReleaseBuffer(
1250   IN PVOID  HwDeviceExtension,
1251   IN PVOID  Buffer);
1252
1253 VPAPI
1254 VOID
1255 DDKAPI
1256 VideoPortReleaseCommonBuffer(
1257   IN PVOID  HwDeviceExtension,
1258   IN PVP_DMA_ADAPTER  VpDmaAdapter,
1259   IN ULONG  Length,
1260   IN PHYSICAL_ADDRESS  LogicalAddress,
1261   IN PVOID  VirtualAddress,
1262   IN BOOLEAN  CacheEnabled);
1263
1264 VPAPI
1265 VOID
1266 DDKAPI
1267 VideoPortReleaseDeviceLock(
1268   IN PVOID  HwDeviceExtension);
1269
1270 VPAPI
1271 VOID
1272 DDKAPI
1273 VideoPortReleaseSpinLock(
1274   IN PVOID  HwDeviceExtension,
1275   IN PSPIN_LOCK  SpinLock,
1276   IN UCHAR  NewIrql);
1277
1278 VPAPI
1279 VOID
1280 DDKAPI
1281 VideoPortReleaseSpinLockFromDpcLevel(
1282   IN PVOID  HwDeviceExtension,
1283   IN PSPIN_LOCK  SpinLock);
1284
1285 VPAPI
1286 BOOLEAN
1287 DDKAPI
1288 VideoPortScanRom(
1289   PVOID  HwDeviceExtension,
1290   PUCHAR  RomBase,
1291   ULONG  RomLength,
1292   PUCHAR  String);
1293
1294 VPAPI
1295 ULONG
1296 DDKAPI
1297 VideoPortSetBusData(
1298   IN PVOID  HwDeviceExtension,
1299   IN BUS_DATA_TYPE  BusDataType,
1300   IN ULONG  SlotNumber,
1301   IN PVOID  Buffer,
1302   IN ULONG  Offset,
1303   IN ULONG  Length);
1304
1305 VPAPI
1306 VOID
1307 DDKAPI
1308 VideoPortSetBytesUsed(
1309   IN PVOID  HwDeviceExtension,
1310   IN OUT PDMA  pDma,
1311   IN ULONG  BytesUsed);
1312
1313 VPAPI
1314 VOID
1315 DDKAPI
1316 VideoPortSetDmaContext(
1317   IN PVOID  HwDeviceExtension,
1318   OUT PDMA  pDma,
1319   IN PVOID  InstanceContext);
1320
1321 VPAPI
1322 LONG
1323 DDKAPI
1324 VideoPortSetEvent(
1325   IN PVOID  HwDeviceExtension,
1326   IN PEVENT  pEvent);
1327
1328 VPAPI
1329 VP_STATUS
1330 DDKAPI
1331 VideoPortSetRegistryParameters(
1332   IN PVOID  HwDeviceExtension,
1333   IN PWSTR  ValueName,
1334   IN PVOID  ValueData,
1335   IN ULONG  ValueLength);
1336
1337 VPAPI
1338 VP_STATUS
1339 DDKAPI
1340 VideoPortSetTrappedEmulatorPorts(
1341   IN PVOID  HwDeviceExtension,
1342   IN ULONG  NumAccessRanges,
1343   IN PVIDEO_ACCESS_RANGE  AccessRange);
1344
1345 VPAPI
1346 BOOLEAN
1347 DDKAPI
1348 VideoPortSignalDmaComplete(
1349   IN PVOID  HwDeviceExtension,
1350   IN PVOID  pDmaHandle);
1351
1352 VPAPI
1353 VOID
1354 DDKAPI
1355 VideoPortStallExecution(
1356   IN ULONG  Microseconds);
1357
1358 VPAPI
1359 VP_STATUS
1360 DDKAPI
1361 VideoPortStartDma(
1362   IN PVOID  HwDeviceExtension,
1363   IN PVP_DMA_ADAPTER  VpDmaAdapter,
1364   IN PVOID  Mdl,
1365   IN ULONG  Offset,
1366   IN OUT PULONG  pLength,
1367   IN PEXECUTE_DMA  ExecuteDmaRoutine,
1368   IN PVOID  Context,
1369   IN BOOLEAN  WriteToDevice);
1370
1371 VPAPI
1372 VOID
1373 DDKAPI
1374 VideoPortStartTimer(
1375   IN PVOID  HwDeviceExtension);
1376
1377 VPAPI
1378 VOID
1379 DDKAPI
1380 VideoPortStopTimer(
1381   IN PVOID  HwDeviceExtension);
1382
1383 /* VideoPortSynchronizeExecution.Priority constants */
1384 typedef enum VIDEO_SYNCHRONIZE_PRIORITY {
1385   VpLowPriority = 0,
1386   VpMediumPriority,
1387   VpHighPriority
1388 } VIDEO_SYNCHRONIZE_PRIORITY, *PVIDEO_SYNCHRONIZE_PRIORITY;
1389
1390 VPAPI
1391 BOOLEAN
1392 DDKAPI
1393 VideoPortSynchronizeExecution(
1394   IN PVOID  HwDeviceExtension,
1395   IN VIDEO_SYNCHRONIZE_PRIORITY  Priority,
1396   IN PMINIPORT_SYNCHRONIZE_ROUTINE  SynchronizeRoutine,
1397   IN PVOID  Context);
1398
1399 VPAPI
1400 VOID
1401 DDKAPI
1402 VideoPortUnLockBuffer(
1403   IN PVOID  HwDeviceExtension,
1404   IN PVOID  Mdl);
1405
1406 VPAPI
1407 BOOLEAN
1408 DDKAPI
1409 VideoPortUnlockPages(
1410   IN PVOID  hwDeviceExtension,
1411   IN OUT PDMA  pDma);
1412
1413 VPAPI
1414 BOOLEAN
1415 DDKAPI
1416 VideoPortUnmapDmaMemory(
1417   IN PVOID  HwDeviceExtension,
1418   IN PVOID  VirtualAddress,
1419   IN HANDLE  ProcessHandle,
1420   IN PDMA  BoardMemoryHandle);
1421
1422 VPAPI
1423 VP_STATUS
1424 DDKAPI
1425 VideoPortUnmapMemory(
1426   IN PVOID  HwDeviceExtension,
1427   IN OUT PVOID  VirtualAddress,
1428   IN HANDLE  ProcessHandle);
1429
1430 VPAPI
1431 VP_STATUS
1432 DDKAPI
1433 VideoPortVerifyAccessRanges(
1434   IN PVOID  HwDeviceExtension,
1435   IN ULONG  NumAccessRanges,
1436   IN PVIDEO_ACCESS_RANGE  AccessRanges);
1437
1438 VPAPI
1439 VP_STATUS
1440 DDKAPI
1441 VideoPortWaitForSingleObject(
1442   IN PVOID  HwDeviceExtension,
1443   IN PVOID  Object,
1444   IN PLARGE_INTEGER  Timeout  OPTIONAL);
1445
1446 VPAPI
1447 VOID
1448 DDKAPI
1449 VideoPortWritePortBufferUchar(
1450   IN PUCHAR  Port,
1451   IN PUCHAR  Buffer,
1452   IN ULONG  Count);
1453
1454 VPAPI
1455 VOID
1456 DDKAPI
1457 VideoPortWritePortBufferUlong(
1458   IN PULONG  Port,
1459   IN PULONG  Buffer,
1460   IN ULONG  Count);
1461
1462 VPAPI
1463 VOID
1464 DDKAPI
1465 VideoPortWritePortBufferUshort(
1466   IN PUSHORT  Port,
1467   IN PUSHORT  Buffer,
1468   IN ULONG  Count);
1469
1470 VPAPI
1471 VOID
1472 DDKAPI
1473 VideoPortWritePortUchar(
1474   IN PUCHAR  Port,
1475   IN UCHAR  Value);
1476
1477 VPAPI
1478 VOID
1479 DDKAPI
1480 VideoPortWritePortUlong(
1481   IN PULONG  Port,
1482   IN ULONG  Value);
1483
1484 VPAPI
1485 VOID
1486 DDKAPI
1487 VideoPortWritePortUshort(
1488   IN PUSHORT  Port,
1489   IN USHORT  Value);
1490
1491 VPAPI
1492 VOID
1493 DDKAPI
1494 VideoPortWriteRegisterBufferUchar(
1495   IN PUCHAR  Register,
1496   IN PUCHAR  Buffer,
1497   IN ULONG  Count);
1498
1499 VPAPI
1500 VOID
1501 DDKAPI
1502 VideoPortWriteRegisterBufferUlong(
1503   IN PULONG  Register,
1504   IN PULONG  Buffer,
1505   IN ULONG  Count);
1506
1507 VPAPI
1508 VOID
1509 DDKAPI
1510 VideoPortWriteRegisterBufferUshort(
1511   IN PUSHORT  Register,
1512   IN PUSHORT  Buffer,
1513   IN ULONG  Count);
1514
1515 VPAPI
1516 VOID
1517 DDKAPI
1518 VideoPortWriteRegisterUchar(
1519   IN PUCHAR  Register,
1520   IN UCHAR  Value);
1521
1522 VPAPI
1523 VOID
1524 DDKAPI
1525 VideoPortWriteRegisterUlong(
1526   IN PULONG  Register,
1527   IN ULONG  Value);
1528
1529 VPAPI
1530 VOID
1531 DDKAPI
1532 VideoPortWriteRegisterUshort(
1533   IN PUSHORT  Register,
1534   IN USHORT  Value);
1535
1536 VPAPI
1537 VOID
1538 DDKAPI
1539 VideoPortZeroDeviceMemory(
1540   IN PVOID  Destination,
1541   IN ULONG  Length);
1542
1543 VPAPI
1544 VOID
1545 DDKAPI
1546 VideoPortZeroMemory(
1547   IN PVOID  Destination,
1548   IN ULONG  Length);
1549
1550 #ifdef DBG
1551 #define VideoDebugPrint(x) VideoPortDebugPrint x
1552 #else
1553 #define VideoDebugPrint(x)
1554 #endif
1555
1556 #ifdef __cplusplus
1557 }
1558 #endif
1559
1560 #endif /* defined __WINDDI_H */
1561
1562 #endif /* __VIDEO_H */