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 #pragma once
  24
  25 #include "ntddvdeo.h"
  26 #include "videoagp.h"
  27
  28 #ifdef __cplusplus
  29 extern "C" {
  30 #endif
  31
  32 #ifndef _NTOSDEF_
  33
  34 #ifdef PAGED_CODE
  35 #undef PAGED_CODE
  36 #endif
  37
  38 #if defined(_MSC_VER)
  39 #define ALLOC_PRAGMA 1
  40 #endif
  41
  42 #if defined(_VIDEOPORT_)
  43 #define VPAPI
  44 #else
  45 #define VPAPI DECLSPEC_IMPORT
  46 #endif
  47
  48 #if DBG
  49 #define PAGED_CODE() \
  50   if (VideoPortGetCurrentIrql() > 1 /* APC_LEVEL */) { \
  51     VideoPortDebugPrint(Error, "Video: Pageable code called at IRQL %d\n", VideoPortGetCurrentIrql() ); \
  52     ASSERT(FALSE); \
  53   }
  54 #else
  55 #define PAGED_CODE()
  56 #endif /* DBG */
  57
  58 ULONG
  59 NTAPI
  60 DriverEntry(
  61   PVOID Context1,
  62   PVOID Context2);
  63
  64 #else
  65
  66 #define VPAPI
  67
  68 #endif /* _NTOSDEF_ */
  69
  70 #if DBG
  71 #define VideoDebugPrint(x) VideoPortDebugPrint x
  72 #else
  73 #define VideoDebugPrint(x)
  74 #endif
  75
  76 #define GET_VIDEO_PHYSICAL_ADDRESS(scatterList,                        \
  77                                    VirtualAddress,                     \
  78                                    InputBuffer,                        \
  79                                    pLength,                            \
  80                                    Address)                            \
  81   do {                                                                 \
  82     ULONG_PTR byteOffset;                                              \
  83                                                                        \
  84     byteOffset = (PCHAR) VirtualAddress - (PCHAR)InputBuffer;          \
  85     while (byteOffset >= scatterList->Length) {                        \
  86       byteOffset -= scatterList->Length;                               \
  87       scatterList++;                                                   \
  88     }                                                                  \
  89     *pLength = scatterList->Length - byteOffset;                       \
  90     Address = (ULONG_PTR) (scatterList->PhysicalAddress + byteOffset); \
  91   } while (0)
  92
  93 #define GET_VIDEO_SCATTERGATHER(ppDma) (**(PVRB_SG **)ppDma)
  94
  95 /* VIDEO_ACCESS_RANGE.RangePassive */
  96 #define VIDEO_RANGE_PASSIVE_DECODE        1
  97 #define VIDEO_RANGE_10_BIT_DECODE         2
  98
  99 #define SIZE_OF_NT4_VIDEO_PORT_CONFIG_INFO FIELD_OFFSET(VIDEO_PORT_CONFIG_INFO, Master)
 100 #define SIZE_OF_WXP_VIDEO_PORT_CONFIG_INFO sizeof(VIDEO_PORT_CONFIG_INFO)
 101
 102 #define SET_USER_EVENT    0x01
 103 #define SET_DISPLAY_EVENT 0x02
 104
 105 #define EVENT_TYPE_MASK                   1
 106 #define SYNCHRONIZATION_EVENT             0
 107 #define NOTIFICATION_EVENT                1
 108
 109 #define INITIAL_EVENT_STATE_MASK          2
 110 #define INITIAL_EVENT_NOT_SIGNALED        0
 111 #define INITIAL_EVENT_SIGNALED            2
 112
 113 #define DISPLAY_ADAPTER_HW_ID             0xFFFFFFFF
 114
 115 #define VIDEO_INVALID_CHILD_ID            0xFFFFFFFF
 116
 117 #define SIZE_OF_NT4_VIDEO_HW_INITIALIZATION_DATA FIELD_OFFSET(VIDEO_HW_INITIALIZATION_DATA, HwStartDma)
 118 #define SIZE_OF_W2K_VIDEO_HW_INITIALIZATION_DATA FIELD_OFFSET(VIDEO_HW_INITIALIZATION_DATA, Reserved)
 119 #define SIZE_OF_WXP_VIDEO_HW_INITIALIZATION_DATA (SIZE_OF_W2K_VIDEO_HW_INITIALIZATION_DATA + sizeof(ULONG))
 120
 121 #define VIDEO_PORT_AGP_INTERFACE_VERSION_1                 1
 122 #define VIDEO_PORT_AGP_INTERFACE_VERSION_2                 2
 123 #define VIDEO_PORT_I2C_INTERFACE_VERSION_1                 1
 124 #define VIDEO_PORT_I2C_INTERFACE_VERSION_2                 2
 125 #define VIDEO_PORT_INT10_INTERFACE_VERSION_1               1
 126 #define VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE_VERSION_1  1
 127 #define VIDEO_PORT_DEBUG_REPORT_INTERFACE_VERSION_1        1
 128
 129 /* Flags for VideoPortGetDeviceBase and VideoPortMapMemory */
 130 #define VIDEO_MEMORY_SPACE_MEMORY         0x00
 131 #define VIDEO_MEMORY_SPACE_IO             0x01
 132 #define VIDEO_MEMORY_SPACE_USER_MODE      0x02
 133 #define VIDEO_MEMORY_SPACE_DENSE          0x04
 134 #define VIDEO_MEMORY_SPACE_P6CACHE        0x08
 135
 136 /* PVIDEO_HW_GET_CHILD_DESCRIPTOR return values */
 137 #define VIDEO_ENUM_MORE_DEVICES           ERROR_CONTINUE
 138 #define VIDEO_ENUM_NO_MORE_DEVICES        ERROR_NO_MORE_DEVICES
 139 #define VIDEO_ENUM_INVALID_DEVICE         ERROR_INVALID_NAME
 140
 141 #define DEVICE_VGA_ENABLED                1
 142
 143 /* VideoPortCheckForDeviceExistence.Flags constants */
 144 #define CDE_USE_SUBSYSTEM_IDS             0x00000001
 145 #define CDE_USE_REVISION                  0x00000002
 146
 147 #define BUGCHECK_DATA_SIZE_RESERVED       48
 148
 149 #define VIDEO_DEBUG_REPORT_MAX_SIZE       0x8000
 150
 151 typedef LONG VP_STATUS, *PVP_STATUS;
 152 typedef ULONG DMA_EVENT_FLAGS;
 153
 154 typedef struct _VIDEO_PORT_SPIN_LOCK *PSPIN_LOCK;
 155 typedef struct _VIDEO_DEBUG_REPORT *PVIDEO_DEBUG_REPORT;
 156 typedef struct __DMA_PARAMETERS *PDMA;
 157 typedef struct __VP_DMA_ADAPTER *PVP_DMA_ADAPTER;
 158
 159 typedef PVOID
 160 (NTAPI *PVIDEO_PORT_GET_PROC_ADDRESS)(
 161   IN PVOID HwDeviceExtension,
 162   IN PUCHAR FunctionName);
 163
 164 typedef struct _VIDEO_PORT_CONFIG_INFO {
 165   ULONG Length;
 166   ULONG SystemIoBusNumber;
 167   INTERFACE_TYPE AdapterInterfaceType;
 168   ULONG BusInterruptLevel;
 169   ULONG BusInterruptVector;
 170   KINTERRUPT_MODE InterruptMode;
 171   ULONG NumEmulatorAccessEntries;
 172   PEMULATOR_ACCESS_ENTRY EmulatorAccessEntries;
 173   ULONG_PTR EmulatorAccessEntriesContext;
 174   PHYSICAL_ADDRESS VdmPhysicalVideoMemoryAddress;
 175   ULONG VdmPhysicalVideoMemoryLength;
 176   ULONG HardwareStateSize;
 177   ULONG DmaChannel;
 178   ULONG DmaPort;
 179   UCHAR DmaShareable;
 180   UCHAR InterruptShareable;
 181   BOOLEAN Master;
 182   DMA_WIDTH DmaWidth;
 183   DMA_SPEED DmaSpeed;
 184   BOOLEAN bMapBuffers;
 185   BOOLEAN NeedPhysicalAddresses;
 186   BOOLEAN DemandMode;
 187   ULONG MaximumTransferLength;
 188   ULONG NumberOfPhysicalBreaks;
 189   BOOLEAN ScatterGather;
 190   ULONG MaximumScatterGatherChunkSize;
 191   PVIDEO_PORT_GET_PROC_ADDRESS VideoPortGetProcAddress;
 192   PWSTR DriverRegistryPath;
 193   ULONGLONG SystemMemorySize;
 194 } VIDEO_PORT_CONFIG_INFO, *PVIDEO_PORT_CONFIG_INFO;
 195
 196 typedef VP_STATUS
 197 (NTAPI *PVIDEO_HW_FIND_ADAPTER)(
 198   IN PVOID HwDeviceExtension,
 199   IN PVOID HwContext,
 200   IN PWSTR ArgumentString,
 201   IN OUT PVIDEO_PORT_CONFIG_INFO ConfigInfo,
 202   OUT PUCHAR Again);
 203
 204 typedef BOOLEAN
 205 (NTAPI *PVIDEO_HW_INITIALIZE)(
 206   IN PVOID HwDeviceExtension);
 207
 208 typedef BOOLEAN
 209 (NTAPI *PVIDEO_HW_INTERRUPT)(
 210   IN PVOID HwDeviceExtension);
 211
 212 typedef struct _VIDEO_ACCESS_RANGE {
 213   PHYSICAL_ADDRESS RangeStart;
 214   ULONG RangeLength;
 215   UCHAR RangeInIoSpace;
 216   UCHAR RangeVisible;
 217   UCHAR RangeShareable;
 218   UCHAR RangePassive;
 219 } VIDEO_ACCESS_RANGE, *PVIDEO_ACCESS_RANGE;
 220
 221 typedef VOID
 222 (NTAPI *PVIDEO_HW_LEGACYRESOURCES)(
 223   IN ULONG VendorId,
 224   IN ULONG DeviceId,
 225   IN OUT PVIDEO_ACCESS_RANGE *LegacyResourceList,
 226   IN OUT PULONG LegacyResourceCount);
 227
 228 typedef enum _HW_DMA_RETURN {
 229   DmaAsyncReturn,
 230   DmaSyncReturn
 231 } HW_DMA_RETURN, *PHW_DMA_RETURN;
 232
 233 typedef HW_DMA_RETURN
 234 (NTAPI *PVIDEO_HW_START_DMA)(
 235   PVOID HwDeviceExtension,
 236   PDMA pDma);
 237
 238 typedef struct _VP_SCATTER_GATHER_ELEMENT {
 239   PHYSICAL_ADDRESS Address;
 240   ULONG Length;
 241   ULONG_PTR Reserved;
 242 } VP_SCATTER_GATHER_ELEMENT, *PVP_SCATTER_GATHER_ELEMENT;
 243
 244 typedef struct _VP_SCATTER_GATHER_LIST {
 245   ULONG NumberOfElements;
 246   ULONG_PTR Reserved;
 247   VP_SCATTER_GATHER_ELEMENT Elements[0];
 248 } VP_SCATTER_GATHER_LIST, *PVP_SCATTER_GATHER_LIST;
 249
 250 typedef VOID
 251 (NTAPI *PEXECUTE_DMA)(
 252   IN PVOID HwDeviceExtension,
 253   IN PVP_DMA_ADAPTER VpDmaAdapter,
 254   IN PVP_SCATTER_GATHER_LIST SGList,
 255   IN PVOID Context);
 256
 257 /* PVIDEO_HW_GET_CHILD_DESCRIPTOR.ChildEnumInfo constants */
 258 typedef struct _VIDEO_CHILD_ENUM_INFO {
 259   ULONG Size;
 260   ULONG ChildDescriptorSize;
 261   ULONG ChildIndex;
 262   ULONG ACPIHwId;
 263   PVOID ChildHwDeviceExtension;
 264 } VIDEO_CHILD_ENUM_INFO, *PVIDEO_CHILD_ENUM_INFO;
 265
 266 /* PVIDEO_HW_GET_CHILD_DESCRIPTOR.VideoChildType constants */
 267 typedef enum _VIDEO_CHILD_TYPE {
 268   Monitor = 1,
 269   NonPrimaryChip,
 270   VideoChip,
 271   Other
 272 } VIDEO_CHILD_TYPE, *PVIDEO_CHILD_TYPE;
 273
 274 typedef VP_STATUS
 275 (NTAPI *PVIDEO_HW_GET_CHILD_DESCRIPTOR)(
 276   IN PVOID HwDeviceExtension,
 277   IN PVIDEO_CHILD_ENUM_INFO ChildEnumInfo,
 278   OUT PVIDEO_CHILD_TYPE VideoChildType,
 279   OUT PUCHAR pChildDescriptor,
 280   OUT PULONG UId,
 281   OUT PULONG pUnused);
 282
 283 typedef VP_STATUS
 284 (NTAPI *PVIDEO_HW_POWER_SET)(
 285   IN PVOID HwDeviceExtension,
 286   IN ULONG HwId,
 287   IN PVIDEO_POWER_MANAGEMENT VideoPowerControl);
 288
 289 typedef VP_STATUS
 290 (NTAPI *PVIDEO_HW_POWER_GET)(
 291   IN PVOID HwDeviceExtension,
 292   IN ULONG HwId,
 293   IN OUT PVIDEO_POWER_MANAGEMENT VideoPowerControl);
 294
 295 typedef struct _QUERY_INTERFACE {
 296   CONST GUID *InterfaceType;
 297   USHORT Size;
 298   USHORT Version;
 299   PINTERFACE Interface;
 300   PVOID InterfaceSpecificData;
 301 } QUERY_INTERFACE, *PQUERY_INTERFACE;
 302
 303 typedef VP_STATUS
 304 (NTAPI *PVIDEO_HW_QUERY_INTERFACE)(
 305   IN PVOID HwDeviceExtension,
 306   IN OUT PQUERY_INTERFACE QueryInterface);
 307
 308 typedef VP_STATUS
 309 (NTAPI *PVIDEO_HW_CHILD_CALLBACK)(
 310   PVOID HwDeviceExtension,
 311   PVOID ChildDeviceExtension);
 312
 313 typedef BOOLEAN
 314 (NTAPI *PVIDEO_HW_RESET_HW)(
 315   IN PVOID HwDeviceExtension,
 316   IN ULONG Columns,
 317   IN ULONG Rows);
 318
 319 typedef struct _STATUS_BLOCK {
 320   _ANONYMOUS_UNION union {
 321     VP_STATUS Status;
 322     PVOID Pointer;
 323   } DUMMYUNIONNAME;
 324   ULONG_PTR Information;
 325 } STATUS_BLOCK, *PSTATUS_BLOCK;
 326
 327 typedef struct _VIDEO_REQUEST_PACKET {
 328   ULONG IoControlCode;
 329   PSTATUS_BLOCK StatusBlock;
 330   PVOID InputBuffer;
 331   ULONG InputBufferLength;
 332   PVOID OutputBuffer;
 333   ULONG OutputBufferLength;
 334 } VIDEO_REQUEST_PACKET, *PVIDEO_REQUEST_PACKET;
 335
 336 typedef BOOLEAN
 337 (NTAPI *PVIDEO_HW_START_IO)(
 338   IN PVOID HwDeviceExtension,
 339   IN PVIDEO_REQUEST_PACKET RequestPacket);
 340
 341 typedef VOID
 342 (NTAPI *PVIDEO_HW_TIMER)(
 343   IN PVOID HwDeviceExtension);
 344
 345 typedef VOID
 346 (NTAPI *PVIDEO_WRITE_CLOCK_LINE)(
 347   PVOID HwDeviceExtension,
 348   UCHAR Data);
 349
 350 typedef VOID
 351 (NTAPI *PVIDEO_WRITE_DATA_LINE)(
 352   PVOID HwDeviceExtension,
 353   UCHAR Data);
 354
 355 typedef BOOLEAN
 356 (NTAPI *PVIDEO_READ_CLOCK_LINE)(
 357   PVOID HwDeviceExtension);
 358
 359 typedef BOOLEAN
 360 (NTAPI *PVIDEO_READ_DATA_LINE)(
 361   PVOID HwDeviceExtension);
 362
 363 typedef VOID
 364 (NTAPI *PVIDEO_WAIT_VSYNC_ACTIVE)(
 365   PVOID HwDeviceExtension);
 366
 367 typedef struct _I2C_CALLBACKS {
 368   IN PVIDEO_WRITE_CLOCK_LINE WriteClockLine;
 369   IN PVIDEO_WRITE_DATA_LINE WriteDataLine;
 370   IN PVIDEO_READ_CLOCK_LINE ReadClockLine;
 371   IN PVIDEO_READ_DATA_LINE ReadDataLine;
 372 } I2C_CALLBACKS, *PI2C_CALLBACKS;
 373
 374 typedef BOOLEAN
 375 (NTAPI *PI2C_START)(
 376   IN PVOID HwDeviceExtension,
 377   IN PI2C_CALLBACKS I2CCallbacks);
 378
 379 typedef BOOLEAN
 380 (NTAPI *PI2C_STOP)(
 381   IN PVOID HwDeviceExtension,
 382   IN PI2C_CALLBACKS I2CCallbacks);
 383
 384 typedef BOOLEAN
 385 (NTAPI *PI2C_WRITE)(
 386   IN PVOID HwDeviceExtension,
 387   IN PI2C_CALLBACKS I2CCallbacks,
 388   IN PUCHAR Buffer,
 389   IN ULONG Length);
 390
 391 typedef BOOLEAN
 392 (NTAPI *PI2C_READ)(
 393   IN PVOID HwDeviceExtension,
 394   IN PI2C_CALLBACKS I2CCallbacks,
 395   OUT PUCHAR Buffer,
 396   IN ULONG Length);
 397
 398 typedef struct _VIDEO_I2C_CONTROL {
 399   IN PVIDEO_WRITE_CLOCK_LINE WriteClockLine;
 400   IN PVIDEO_WRITE_DATA_LINE WriteDataLine;
 401   IN PVIDEO_READ_CLOCK_LINE ReadClockLine;
 402   IN PVIDEO_READ_DATA_LINE ReadDataLine;
 403   IN ULONG I2CDelay;
 404 } VIDEO_I2C_CONTROL, *PVIDEO_I2C_CONTROL;
 405
 406 typedef BOOLEAN
 407 (NTAPI *PI2C_START_2)(
 408   IN PVOID HwDeviceExtension,
 409   IN PVIDEO_I2C_CONTROL I2CControl);
 410
 411 typedef BOOLEAN
 412 (NTAPI *PI2C_STOP_2)(
 413   IN PVOID HwDeviceExtension,
 414   IN PVIDEO_I2C_CONTROL I2CControl);
 415
 416 typedef BOOLEAN
 417 (NTAPI *PI2C_WRITE_2)(
 418   IN PVOID HwDeviceExtension,
 419   IN PVIDEO_I2C_CONTROL I2CControl,
 420   IN PUCHAR Buffer,
 421   IN ULONG Length);
 422
 423 typedef BOOLEAN
 424 (NTAPI *PI2C_READ_2)(
 425   IN PVOID HwDeviceExtension,
 426   IN PVIDEO_I2C_CONTROL I2CControl,
 427   OUT PUCHAR Buffer,
 428   IN ULONG Length,
 429   IN BOOLEAN EndOfRead);
 430
 431 typedef struct _INT10_BIOS_ARGUMENTS {
 432   ULONG Eax;
 433   ULONG Ebx;
 434   ULONG Ecx;
 435   ULONG Edx;
 436   ULONG Esi;
 437   ULONG Edi;
 438   ULONG Ebp;
 439   USHORT SegDs;
 440   USHORT SegEs;
 441 } INT10_BIOS_ARGUMENTS, *PINT10_BIOS_ARGUMENTS;
 442
 443 typedef VP_STATUS
 444 (NTAPI *PINT10_CALL_BIOS)(
 445   IN PVOID Context,
 446   IN OUT PINT10_BIOS_ARGUMENTS BiosArguments);
 447
 448 typedef VP_STATUS
 449 (NTAPI *PINT10_ALLOCATE_BUFFER)(
 450   IN PVOID Context,
 451   OUT PUSHORT Seg,
 452   OUT PUSHORT Off,
 453   IN OUT PULONG Length);
 454
 455 typedef VP_STATUS
 456 (NTAPI *PINT10_FREE_BUFFER)(
 457   IN PVOID Context,
 458   IN USHORT Seg,
 459   IN USHORT Off);
 460
 461 typedef VP_STATUS
 462 (NTAPI *PINT10_READ_MEMORY)(
 463   IN PVOID Context,
 464   IN USHORT Seg,
 465   IN USHORT Off,
 466   OUT PVOID Buffer,
 467   IN ULONG Length);
 468
 469 typedef VP_STATUS
 470 (NTAPI *PINT10_WRITE_MEMORY)(
 471   IN PVOID Context,
 472   IN USHORT Seg,
 473   IN USHORT Off,
 474   IN PVOID Buffer,
 475   IN ULONG Length);
 476
 477 typedef VP_STATUS
 478 (NTAPI *PROTECT_WC_MEMORY)(
 479   IN PVOID Context,
 480   IN PVOID HwDeviceExtension);
 481
 482 typedef VP_STATUS
 483 (NTAPI *RESTORE_WC_MEMORY)(
 484   IN PVOID Context,
 485   IN PVOID HwDeviceExtension);
 486
 487 typedef enum _VIDEO_DEVICE_DATA_TYPE {
 488   VpMachineData = 0,
 489   VpCmosData,
 490   VpBusData,
 491   VpControllerData,
 492   VpMonitorData
 493 } VIDEO_DEVICE_DATA_TYPE, *PVIDEO_DEVICE_DATA_TYPE;
 494
 495 typedef VP_STATUS
 496 (NTAPI *PMINIPORT_QUERY_DEVICE_ROUTINE)(
 497   IN PVOID HwDeviceExtension,
 498   IN PVOID Context,
 499   IN VIDEO_DEVICE_DATA_TYPE DeviceDataType,
 500   IN PVOID Identifier,
 501   IN ULONG IdentifierLength,
 502   IN PVOID ConfigurationData,
 503   IN ULONG ConfigurationDataLength,
 504   IN OUT PVOID ComponentInformation,
 505   IN ULONG ComponentInformationLength);
 506
 507 typedef VP_STATUS
 508 (NTAPI *PMINIPORT_GET_REGISTRY_ROUTINE)(
 509   IN PVOID HwDeviceExtension,
 510   IN PVOID Context,
 511   IN OUT PWSTR ValueName,
 512   IN OUT PVOID ValueData,
 513   IN ULONG ValueLength);
 514
 515 typedef VOID
 516 (NTAPI *PMINIPORT_DPC_ROUTINE)(
 517   IN PVOID HwDeviceExtension,
 518   IN PVOID Context);
 519
 520 typedef BOOLEAN
 521 (NTAPI *PMINIPORT_SYNCHRONIZE_ROUTINE)(
 522   IN PVOID Context);
 523
 524 typedef VOID
 525 (NTAPI *PVIDEO_BUGCHECK_CALLBACK)(
 526   IN PVOID HwDeviceExtension,
 527   IN ULONG BugcheckCode,
 528   IN PUCHAR Buffer,
 529   IN ULONG BufferSize);
 530
 531 /* VideoPortSynchronizeExecution.Priority constants */
 532 typedef enum VIDEO_SYNCHRONIZE_PRIORITY {
 533   VpLowPriority = 0,
 534   VpMediumPriority,
 535   VpHighPriority
 536 } VIDEO_SYNCHRONIZE_PRIORITY, *PVIDEO_SYNCHRONIZE_PRIORITY;
 537
 538 /* VideoPortAllocatePool.PoolType constants */
 539 typedef enum _VP_POOL_TYPE {
 540   VpNonPagedPool = 0,
 541   VpPagedPool,
 542   VpNonPagedPoolCacheAligned = 4,
 543   VpPagedPoolCacheAligned
 544 } VP_POOL_TYPE, *PVP_POOL_TYPE;
 545
 546 typedef enum _DMA_FLAGS {
 547   VideoPortUnlockAfterDma = 1,
 548   VideoPortKeepPagesLocked,
 549   VideoPortDmaInitOnly
 550 } DMA_FLAGS;
 551
 552 typedef struct _VIDEO_HARDWARE_CONFIGURATION_DATA {
 553   INTERFACE_TYPE InterfaceType;
 554   ULONG BusNumber;
 555   USHORT Version;
 556   USHORT Revision;
 557   USHORT Irql;
 558   USHORT Vector;
 559   ULONG ControlBase;
 560   ULONG ControlSize;
 561   ULONG CursorBase;
 562   ULONG CursorSize;
 563   ULONG FrameBase;
 564   ULONG FrameSize;
 565 } VIDEO_HARDWARE_CONFIGURATION_DATA, *PVIDEO_HARDWARE_CONFIGURATION_DATA;
 566
 567 typedef struct _VIDEO_X86_BIOS_ARGUMENTS {
 568   ULONG Eax;
 569   ULONG Ebx;
 570   ULONG Ecx;
 571   ULONG Edx;
 572   ULONG Esi;
 573   ULONG Edi;
 574   ULONG Ebp;
 575 } VIDEO_X86_BIOS_ARGUMENTS, *PVIDEO_X86_BIOS_ARGUMENTS;
 576
 577 typedef enum VIDEO_DEBUG_LEVEL {
 578   Error = 0,
 579   Warn,
 580   Trace,
 581   Info
 582 } VIDEO_DEBUG_LEVEL, *PVIDEO_DEBUG_LEVEL;
 583
 584 #ifndef _NTOS_
 585
 586 typedef VP_STATUS
 587 (NTAPI *PDRIVER_IO_PORT_UCHAR)(
 588   IN ULONG_PTR Context,
 589   IN ULONG Port,
 590   IN UCHAR AccessMode,
 591   IN PUCHAR Data);
 592
 593 typedef VP_STATUS
 594 (NTAPI *PDRIVER_IO_PORT_UCHAR_STRING)(
 595   IN ULONG_PTR Context,
 596   IN ULONG Port,
 597   IN UCHAR AccessMode,
 598   IN PUCHAR Data,
 599   IN ULONG DataLength);
 600
 601 typedef VP_STATUS
 602 (NTAPI *PDRIVER_IO_PORT_ULONG)(
 603   IN ULONG_PTR Context,
 604   IN ULONG Port,
 605   IN UCHAR AccessMode,
 606   IN PULONG Data);
 607
 608 typedef VP_STATUS
 609 (NTAPI *PDRIVER_IO_PORT_ULONG_STRING)(
 610   IN ULONG_PTR Context,
 611   IN ULONG Port,
 612   IN UCHAR AccessMode,
 613   IN PULONG Data,
 614   IN ULONG DataLength);
 615
 616 typedef VP_STATUS
 617 (NTAPI *PDRIVER_IO_PORT_USHORT)(
 618   IN ULONG_PTR Context,
 619   IN ULONG Port,
 620   IN UCHAR AccessMode,
 621   IN PUSHORT Data);
 622
 623 typedef VP_STATUS
 624 (NTAPI *PDRIVER_IO_PORT_USHORT_STRING)(
 625   IN ULONG_PTR Context,
 626   IN ULONG Port,
 627   IN UCHAR AccessMode,
 628   IN PUSHORT Data,
 629   IN ULONG DataLength);
 630
 631 #endif /* _NTOS_ */
 632
 633 typedef struct __VRB_SG {
 634   __int64 PhysicalAddress;
 635   ULONG Length;
 636 } VRB_SG, *PVRB_SG;
 637
 638 typedef enum _VP_LOCK_OPERATION {
 639   VpReadAccess = 0,
 640   VpWriteAccess,
 641   VpModifyAccess
 642 } VP_LOCK_OPERATION;
 643
 644 typedef struct _VP_DEVICE_DESCRIPTION {
 645   BOOLEAN ScatterGather;
 646   BOOLEAN Dma32BitAddresses;
 647   BOOLEAN Dma64BitAddresses;
 648   ULONG MaximumLength;
 649 } VP_DEVICE_DESCRIPTION, *PVP_DEVICE_DESCRIPTION;
 650
 651 typedef struct _VIDEO_CHILD_STATE {
 652   ULONG Id;
 653   ULONG State;
 654 } VIDEO_CHILD_STATE, *PVIDEO_CHILD_STATE;
 655
 656 typedef struct _VIDEO_CHILD_STATE_CONFIGURATION {
 657   ULONG Count;
 658   VIDEO_CHILD_STATE ChildStateArray[ANYSIZE_ARRAY];
 659 } VIDEO_CHILD_STATE_CONFIGURATION, *PVIDEO_CHILD_STATE_CONFIGURATION;
 660
 661 typedef struct _VIDEO_HW_INITIALIZATION_DATA {
 662   ULONG HwInitDataSize;
 663   INTERFACE_TYPE AdapterInterfaceType;
 664   PVIDEO_HW_FIND_ADAPTER HwFindAdapter;
 665   PVIDEO_HW_INITIALIZE HwInitialize;
 666   PVIDEO_HW_INTERRUPT HwInterrupt;
 667   PVIDEO_HW_START_IO HwStartIO;
 668   ULONG HwDeviceExtensionSize;
 669   ULONG StartingDeviceNumber;
 670   PVIDEO_HW_RESET_HW HwResetHw;
 671   PVIDEO_HW_TIMER HwTimer;
 672   PVIDEO_HW_START_DMA HwStartDma;
 673   PVIDEO_HW_POWER_SET HwSetPowerState;
 674   PVIDEO_HW_POWER_GET HwGetPowerState;
 675   PVIDEO_HW_GET_CHILD_DESCRIPTOR HwGetVideoChildDescriptor;
 676   PVIDEO_HW_QUERY_INTERFACE HwQueryInterface;
 677   ULONG HwChildDeviceExtensionSize;
 678   PVIDEO_ACCESS_RANGE HwLegacyResourceList;
 679   ULONG HwLegacyResourceCount;
 680   PVIDEO_HW_LEGACYRESOURCES HwGetLegacyResources;
 681   BOOLEAN AllowEarlyEnumeration;
 682   ULONG Reserved;
 683 } VIDEO_HW_INITIALIZATION_DATA, *PVIDEO_HW_INITIALIZATION_DATA;
 684
 685 typedef struct _I2C_FNC_TABLE {
 686   IN ULONG Size;
 687   IN PVIDEO_WRITE_CLOCK_LINE WriteClockLine;
 688   IN PVIDEO_WRITE_DATA_LINE WriteDataLine;
 689   IN PVIDEO_READ_CLOCK_LINE ReadClockLine;
 690   IN PVIDEO_READ_DATA_LINE ReadDataLine;
 691   IN PVIDEO_WAIT_VSYNC_ACTIVE WaitVsync;
 692   PVOID Reserved;
 693 } I2C_FNC_TABLE, *PI2C_FNC_TABLE;
 694
 695 typedef struct _DDC_CONTROL {
 696   IN ULONG Size;
 697   IN I2C_CALLBACKS I2CCallbacks;
 698   IN UCHAR EdidSegment;
 699 } DDC_CONTROL, *PDDC_CONTROL;
 700
 701 /* VideoPortQueryServices.ServicesType constants */
 702 typedef enum _VIDEO_PORT_SERVICES {
 703   VideoPortServicesAGP = 1,
 704   VideoPortServicesI2C,
 705   VideoPortServicesHeadless,
 706   VideoPortServicesInt10,
 707   VideoPortServicesDebugReport,
 708   VideoPortServicesWCMemoryProtection
 709 } VIDEO_PORT_SERVICES;
 710
 711 typedef struct _VIDEO_PORT_AGP_INTERFACE {
 712   SHORT Size;
 713   SHORT Version;
 714   PVOID Context;
 715   PINTERFACE_REFERENCE InterfaceReference;
 716   PINTERFACE_DEREFERENCE InterfaceDereference;
 717   PAGP_RESERVE_PHYSICAL AgpReservePhysical;
 718   PAGP_RELEASE_PHYSICAL AgpReleasePhysical;
 719   PAGP_COMMIT_PHYSICAL AgpCommitPhysical;
 720   PAGP_FREE_PHYSICAL AgpFreePhysical;
 721   PAGP_RESERVE_VIRTUAL AgpReserveVirtual;
 722   PAGP_RELEASE_VIRTUAL AgpReleaseVirtual;
 723   PAGP_COMMIT_VIRTUAL AgpCommitVirtual;
 724   PAGP_FREE_VIRTUAL AgpFreeVirtual;
 725   ULONGLONG AgpAllocationLimit;
 726 } VIDEO_PORT_AGP_INTERFACE, *PVIDEO_PORT_AGP_INTERFACE;
 727
 728 typedef struct _VIDEO_PORT_AGP_INTERFACE_2 {
 729   IN USHORT Size;
 730   IN USHORT Version;
 731   OUT PVOID Context;
 732   OUT PINTERFACE_REFERENCE InterfaceReference;
 733   OUT PINTERFACE_DEREFERENCE InterfaceDereference;
 734   OUT PAGP_RESERVE_PHYSICAL AgpReservePhysical;
 735   OUT PAGP_RELEASE_PHYSICAL AgpReleasePhysical;
 736   OUT PAGP_COMMIT_PHYSICAL AgpCommitPhysical;
 737   OUT PAGP_FREE_PHYSICAL AgpFreePhysical;
 738   OUT PAGP_RESERVE_VIRTUAL AgpReserveVirtual;
 739   OUT PAGP_RELEASE_VIRTUAL AgpReleaseVirtual;
 740   OUT PAGP_COMMIT_VIRTUAL AgpCommitVirtual;
 741   OUT PAGP_FREE_VIRTUAL AgpFreeVirtual;
 742   OUT ULONGLONG AgpAllocationLimit;
 743   OUT PAGP_SET_RATE AgpSetRate;
 744 } VIDEO_PORT_AGP_INTERFACE_2, *PVIDEO_PORT_AGP_INTERFACE_2;
 745
 746 typedef struct _VIDEO_PORT_I2C_INTERFACE {
 747   USHORT Size;
 748   USHORT Version;
 749   PVOID Context;
 750   PINTERFACE_REFERENCE InterfaceReference;
 751   PINTERFACE_DEREFERENCE InterfaceDereference;
 752   PI2C_START I2CStart;
 753   PI2C_STOP I2CStop;
 754   PI2C_WRITE I2CWrite;
 755   PI2C_READ I2CRead;
 756 } VIDEO_PORT_I2C_INTERFACE, *PVIDEO_PORT_I2C_INTERFACE;
 757
 758 typedef struct _VIDEO_PORT_I2C_INTERFACE_2 {
 759   IN USHORT Size;
 760   IN USHORT Version;
 761   OUT PVOID Context;
 762   OUT PINTERFACE_REFERENCE InterfaceReference;
 763   OUT PINTERFACE_DEREFERENCE InterfaceDereference;
 764   OUT PI2C_START_2 I2CStart;
 765   OUT PI2C_STOP_2 I2CStop;
 766   OUT PI2C_WRITE_2 I2CWrite;
 767   OUT PI2C_READ_2 I2CRead;
 768 } VIDEO_PORT_I2C_INTERFACE_2, *PVIDEO_PORT_I2C_INTERFACE_2;
 769
 770 typedef struct _VIDEO_PORT_INT10_INTERFACE {
 771   IN USHORT Size;
 772   IN USHORT Version;
 773   OUT PVOID Context;
 774   OUT PINTERFACE_REFERENCE InterfaceReference;
 775   OUT PINTERFACE_DEREFERENCE InterfaceDereference;
 776   OUT PINT10_ALLOCATE_BUFFER Int10AllocateBuffer;
 777   OUT PINT10_FREE_BUFFER Int10FreeBuffer;
 778   OUT PINT10_READ_MEMORY Int10ReadMemory;
 779   OUT PINT10_WRITE_MEMORY Int10WriteMemory;
 780   OUT PINT10_CALL_BIOS Int10CallBios;
 781 } VIDEO_PORT_INT10_INTERFACE, *PVIDEO_PORT_INT10_INTERFACE;
 782
 783 typedef struct _VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE {
 784   IN USHORT Size;
 785   IN USHORT Version;
 786   OUT PVOID Context;
 787   OUT PINTERFACE_REFERENCE InterfaceReference;
 788   OUT PINTERFACE_DEREFERENCE InterfaceDereference;
 789   OUT PROTECT_WC_MEMORY VideoPortProtectWCMemory;
 790   OUT RESTORE_WC_MEMORY VideoPortRestoreWCMemory;
 791 } VIDEO_PORT_WCMEMORYPROTECTION_INTERFACE, *PVIDEO_PORT_WCMEMORYPROTECTION_INTERFACE;
 792
 793 typedef struct _VPOSVERSIONINFO {
 794   IN ULONG Size;
 795   OUT ULONG MajorVersion;
 796   OUT ULONG MinorVersion;
 797   OUT ULONG BuildNumber;
 798   OUT USHORT ServicePackMajor;
 799   OUT USHORT ServicePackMinor;
 800 } VPOSVERSIONINFO, *PVPOSVERSIONINFO;
 801
 802 typedef struct _VIDEO_PORT_DEBUG_REPORT_INTERFACE {
 803   IN USHORT Size;
 804   IN USHORT Version;
 805   OUT PVOID Context;
 806   OUT PINTERFACE_REFERENCE InterfaceReference;
 807   OUT PINTERFACE_DEREFERENCE InterfaceDereference;
 808   OUT PVIDEO_DEBUG_REPORT (*DbgReportCreate)(
 809     IN PVOID HwDeviceExtension,
 810     IN ULONG ulCode,
 811     IN ULONG_PTR ulpArg1,
 812     IN ULONG_PTR ulpArg2,
 813     IN ULONG_PTR ulpArg3,
 814     IN ULONG_PTR ulpArg4
 815   );
 816   OUT BOOLEAN (*DbgReportSecondaryData)(
 817     IN OUT PVIDEO_DEBUG_REPORT pReport,
 818     IN PVOID pvData,
 819     IN ULONG ulDataSize
 820   );
 821   OUT VOID (*DbgReportComplete)(
 822     IN OUT PVIDEO_DEBUG_REPORT pReport
 823   );
 824 } VIDEO_PORT_DEBUG_REPORT_INTERFACE, *PVIDEO_PORT_DEBUG_REPORT_INTERFACE;
 825
 826 /* Video port functions for miniports */
 827
 828 VPAPI
 829 VP_STATUS
 830 NTAPI
 831 VideoPortAllocateBuffer(
 832   IN PVOID HwDeviceExtension,
 833   IN ULONG Size,
 834   OUT PVOID *Buffer);
 835
 836 VPAPI
 837 VOID
 838 NTAPI
 839 VideoPortAcquireDeviceLock(
 840   IN PVOID HwDeviceExtension);
 841
 842 VPAPI
 843 ULONG
 844 NTAPI
 845 VideoPortCompareMemory(
 846   IN PVOID Source1,
 847   IN PVOID Source2,
 848   IN SIZE_T Length);
 849
 850 VPAPI
 851 BOOLEAN
 852 NTAPI
 853 VideoPortDDCMonitorHelper(
 854   IN PVOID HwDeviceExtension,
 855   IN PVOID DDCControl,
 856   IN OUT PUCHAR EdidBuffer,
 857   IN ULONG EdidBufferSize);
 858
 859 VPAPI
 860 VOID
 861 __cdecl
 862 VideoPortDebugPrint(
 863   IN VIDEO_DEBUG_LEVEL DebugPrintLevel,
 864   IN PSTR DebugMessage,
 865   IN ...);
 866
 867 VPAPI
 868 VP_STATUS
 869 NTAPI
 870 VideoPortDisableInterrupt(
 871   IN PVOID HwDeviceExtension);
 872
 873 VPAPI
 874 VP_STATUS
 875 NTAPI
 876 VideoPortEnableInterrupt(
 877   IN PVOID HwDeviceExtension);
 878
 879 VPAPI
 880 VP_STATUS
 881 NTAPI
 882 VideoPortEnumerateChildren(
 883   IN PVOID HwDeviceExtension,
 884   IN PVOID Reserved);
 885
 886 VPAPI
 887 VOID
 888 NTAPI
 889 VideoPortFreeDeviceBase(
 890   IN PVOID HwDeviceExtension,
 891   IN PVOID MappedAddress);
 892
 893 VPAPI
 894 VP_STATUS
 895 NTAPI
 896 VideoPortGetAccessRanges(
 897   IN PVOID HwDeviceExtension,
 898   IN ULONG NumRequestedResources,
 899   IN PIO_RESOURCE_DESCRIPTOR RequestedResources OPTIONAL,
 900   IN ULONG NumAccessRanges,
 901   OUT PVIDEO_ACCESS_RANGE AccessRanges,
 902   IN PVOID VendorId,
 903   IN PVOID DeviceId,
 904   OUT PULONG Slot);
 905
 906 VPAPI
 907 PVOID
 908 NTAPI
 909 VideoPortGetAssociatedDeviceExtension(
 910   IN PVOID DeviceObject);
 911
 912 VPAPI
 913 ULONG
 914 NTAPI
 915 VideoPortGetBusData(
 916   IN PVOID HwDeviceExtension,
 917   IN BUS_DATA_TYPE BusDataType,
 918   IN ULONG SlotNumber,
 919   IN OUT PVOID Buffer,
 920   IN ULONG Offset,
 921   IN ULONG Length);
 922
 923 VPAPI
 924 UCHAR
 925 NTAPI
 926 VideoPortGetCurrentIrql(VOID);
 927
 928 VPAPI
 929 PVOID
 930 NTAPI
 931 VideoPortGetDeviceBase(
 932   IN PVOID HwDeviceExtension,
 933   IN PHYSICAL_ADDRESS IoAddress,
 934   IN ULONG NumberOfUchars,
 935   IN UCHAR InIoSpace);
 936
 937 VPAPI
 938 VP_STATUS
 939 NTAPI
 940 VideoPortGetDeviceData(
 941   IN PVOID HwDeviceExtension,
 942   IN VIDEO_DEVICE_DATA_TYPE DeviceDataType,
 943   IN PMINIPORT_QUERY_DEVICE_ROUTINE CallbackRoutine,
 944   IN PVOID Context);
 945
 946 VPAPI
 947 VP_STATUS
 948 NTAPI
 949 VideoPortGetRegistryParameters(
 950   IN PVOID HwDeviceExtension,
 951   IN PWSTR ParameterName,
 952   IN UCHAR IsParameterFileName,
 953   IN PMINIPORT_GET_REGISTRY_ROUTINE CallbackRoutine,
 954   IN PVOID Context);
 955
 956 VPAPI
 957 PVOID
 958 NTAPI
 959 VideoPortGetRomImage(
 960   IN PVOID HwDeviceExtension,
 961   IN PVOID Unused1,
 962   IN ULONG Unused2,
 963   IN ULONG Length);
 964
 965 VPAPI
 966 VP_STATUS
 967 NTAPI
 968 VideoPortGetVgaStatus(
 969   IN PVOID HwDeviceExtension,
 970   OUT PULONG VgaStatus);
 971
 972 VPAPI
 973 LONG
 974 FASTCALL
 975 VideoPortInterlockedDecrement(
 976   IN PLONG Addend);
 977
 978 VPAPI
 979 LONG
 980 FASTCALL
 981 VideoPortInterlockedExchange(
 982   IN OUT PLONG Target,
 983   IN LONG Value);
 984
 985 VPAPI
 986 LONG
 987 FASTCALL
 988 VideoPortInterlockedIncrement(
 989   IN PLONG Addend);
 990
 991 VPAPI
 992 ULONG
 993 NTAPI
 994 VideoPortInitialize(
 995   IN PVOID Argument1,
 996   IN PVOID Argument2,
 997   IN PVIDEO_HW_INITIALIZATION_DATA HwInitializationData,
 998   IN PVOID HwContext);
 999
1000 VPAPI
1001 VP_STATUS
1002 NTAPI
1003 VideoPortInt10(
1004   IN PVOID HwDeviceExtension,
1005   IN PVIDEO_X86_BIOS_ARGUMENTS BiosArguments);
1006
1007 VPAPI
1008 VOID
1009 NTAPI
1010 VideoPortLogError(
1011   IN PVOID HwDeviceExtension,
1012   IN PVIDEO_REQUEST_PACKET Vrp OPTIONAL,
1013   IN VP_STATUS ErrorCode,
1014   IN ULONG UniqueId);
1015
1016 VPAPI
1017 VP_STATUS
1018 NTAPI
1019 VideoPortMapBankedMemory(
1020   IN PVOID HwDeviceExtension,
1021   IN PHYSICAL_ADDRESS PhysicalAddress,
1022   IN OUT PULONG Length,
1023   PULONG InIoSpace,
1024   PVOID *VirtualAddress,
1025   ULONG BankLength,
1026   UCHAR ReadWriteBank,
1027   PBANKED_SECTION_ROUTINE BankRoutine,
1028   PVOID Context);
1029
1030 VPAPI
1031 VP_STATUS
1032 NTAPI
1033 VideoPortMapMemory(
1034   IN PVOID HwDeviceExtension,
1035   IN PHYSICAL_ADDRESS PhysicalAddress,
1036   IN OUT PULONG Length,
1037   IN PULONG InIoSpace,
1038   IN OUT PVOID *VirtualAddress);
1039
1040 VPAPI
1041 VOID
1042 NTAPI
1043 VideoPortMoveMemory(
1044   IN PVOID Destination,
1045   IN PVOID Source,
1046   IN ULONG Length);
1047
1048 VPAPI
1049 LONGLONG
1050 NTAPI
1051 VideoPortQueryPerformanceCounter(
1052   IN PVOID HwDeviceExtension,
1053   OUT PLONGLONG PerformanceFrequency OPTIONAL);
1054
1055 VPAPI
1056 VP_STATUS
1057 NTAPI
1058 VideoPortQueryServices(
1059   IN PVOID HwDeviceExtension,
1060   IN VIDEO_PORT_SERVICES ServicesType,
1061   IN OUT PINTERFACE Interface);
1062
1063 VPAPI
1064 BOOLEAN
1065 NTAPI
1066 VideoPortQueueDpc(
1067   IN PVOID HwDeviceExtension,
1068   IN PMINIPORT_DPC_ROUTINE CallbackRoutine,
1069   IN PVOID Context);
1070
1071 VPAPI
1072 VOID
1073 NTAPI
1074 VideoPortReadPortBufferUchar(
1075   IN PUCHAR Port,
1076   OUT PUCHAR Buffer,
1077   IN ULONG Count);
1078
1079 VPAPI
1080 VOID
1081 NTAPI
1082 VideoPortReadPortBufferUlong(
1083   IN PULONG Port,
1084   OUT PULONG Buffer,
1085   IN ULONG Count);
1086
1087 VPAPI
1088 VOID
1089 NTAPI
1090 VideoPortReadPortBufferUshort(
1091   IN PUSHORT Port,
1092   OUT PUSHORT Buffer,
1093   IN ULONG Count);
1094
1095 VPAPI
1096 UCHAR
1097 NTAPI
1098 VideoPortReadPortUchar(
1099   IN PUCHAR Port);
1100
1101 VPAPI
1102 ULONG
1103 NTAPI
1104 VideoPortReadPortUlong(
1105   IN PULONG Port);
1106
1107 VPAPI
1108 USHORT
1109 NTAPI
1110 VideoPortReadPortUshort(
1111   IN PUSHORT Port);
1112
1113 VPAPI
1114 VOID
1115 NTAPI
1116 VideoPortReadRegisterBufferUchar(
1117   IN PUCHAR Register,
1118   OUT PUCHAR Buffer,
1119   IN ULONG Count);
1120
1121 VPAPI
1122 VOID
1123 NTAPI
1124 VideoPortReadRegisterBufferUlong(
1125   IN PULONG Register,
1126   OUT PULONG Buffer,
1127   IN ULONG Count);
1128
1129 VPAPI
1130 VOID
1131 NTAPI
1132 VideoPortReadRegisterBufferUshort(
1133   IN PUSHORT Register,
1134   OUT PUSHORT Buffer,
1135   IN ULONG Count);
1136
1137 VPAPI
1138 UCHAR
1139 NTAPI
1140 VideoPortReadRegisterUchar(
1141   IN PUCHAR Register);
1142
1143 VPAPI
1144 ULONG
1145 NTAPI
1146 VideoPortReadRegisterUlong(
1147   IN PULONG Register);
1148
1149 VPAPI
1150 USHORT
1151 NTAPI
1152 VideoPortReadRegisterUshort(
1153   IN PUSHORT Register);
1154
1155 VPAPI
1156 VOID
1157 NTAPI
1158 VideoPortReleaseBuffer(
1159   IN PVOID HwDeviceExtension,
1160   IN PVOID Buffer);
1161
1162 VPAPI
1163 VOID
1164 NTAPI
1165 VideoPortReleaseDeviceLock(
1166   IN PVOID HwDeviceExtension);
1167
1168 VPAPI
1169 BOOLEAN
1170 NTAPI
1171 VideoPortScanRom(
1172   PVOID HwDeviceExtension,
1173   PUCHAR RomBase,
1174   ULONG RomLength,
1175   PUCHAR String);
1176
1177 VPAPI
1178 ULONG
1179 NTAPI
1180 VideoPortSetBusData(
1181   IN PVOID HwDeviceExtension,
1182   IN BUS_DATA_TYPE BusDataType,
1183   IN ULONG SlotNumber,
1184   IN PVOID Buffer,
1185   IN ULONG Offset,
1186   IN ULONG Length);
1187
1188 VPAPI
1189 VP_STATUS
1190 NTAPI
1191 VideoPortSetRegistryParameters(
1192   IN PVOID HwDeviceExtension,
1193   IN PWSTR ValueName,
1194   IN PVOID ValueData,
1195   IN ULONG ValueLength);
1196
1197 VPAPI
1198 VP_STATUS
1199 NTAPI
1200 VideoPortSetTrappedEmulatorPorts(
1201   IN PVOID HwDeviceExtension,
1202   IN ULONG NumAccessRanges,
1203   IN PVIDEO_ACCESS_RANGE AccessRange);
1204
1205 VPAPI
1206 VOID
1207 NTAPI
1208 VideoPortStallExecution(
1209   IN ULONG Microseconds);
1210
1211 VPAPI
1212 VOID
1213 NTAPI
1214 VideoPortStartTimer(
1215   IN PVOID HwDeviceExtension);
1216
1217 VPAPI
1218 VOID
1219 NTAPI
1220 VideoPortStopTimer(
1221   IN PVOID HwDeviceExtension);
1222
1223 VPAPI
1224 BOOLEAN
1225 NTAPI
1226 VideoPortSynchronizeExecution(
1227   IN PVOID HwDeviceExtension,
1228   IN VIDEO_SYNCHRONIZE_PRIORITY Priority,
1229   IN PMINIPORT_SYNCHRONIZE_ROUTINE SynchronizeRoutine,
1230   IN PVOID Context);
1231
1232 VPAPI
1233 VP_STATUS
1234 NTAPI
1235 VideoPortUnmapMemory(
1236   IN PVOID HwDeviceExtension,
1237   IN OUT PVOID VirtualAddress,
1238   IN HANDLE ProcessHandle);
1239
1240 VPAPI
1241 VP_STATUS
1242 NTAPI
1243 VideoPortVerifyAccessRanges(
1244   IN PVOID HwDeviceExtension,
1245   IN ULONG NumAccessRanges,
1246   IN PVIDEO_ACCESS_RANGE AccessRanges);
1247
1248 VPAPI
1249 VOID
1250 NTAPI
1251 VideoPortWritePortBufferUchar(
1252   IN PUCHAR Port,
1253   IN PUCHAR Buffer,
1254   IN ULONG Count);
1255
1256 VPAPI
1257 VOID
1258 NTAPI
1259 VideoPortWritePortBufferUlong(
1260   IN PULONG Port,
1261   IN PULONG Buffer,
1262   IN ULONG Count);
1263
1264 VPAPI
1265 VOID
1266 NTAPI
1267 VideoPortWritePortBufferUshort(
1268   IN PUSHORT Port,
1269   IN PUSHORT Buffer,
1270   IN ULONG Count);
1271
1272 VPAPI
1273 VOID
1274 NTAPI
1275 VideoPortWritePortUchar(
1276   IN PUCHAR Port,
1277   IN UCHAR Value);
1278
1279 VPAPI
1280 VOID
1281 NTAPI
1282 VideoPortWritePortUlong(
1283   IN PULONG Port,
1284   IN ULONG Value);
1285
1286 VPAPI
1287 VOID
1288 NTAPI
1289 VideoPortWritePortUshort(
1290   IN PUSHORT Port,
1291   IN USHORT Value);
1292
1293 VPAPI
1294 VOID
1295 NTAPI
1296 VideoPortWriteRegisterBufferUchar(
1297   IN PUCHAR Register,
1298   IN PUCHAR Buffer,
1299   IN ULONG Count);
1300
1301 VPAPI
1302 VOID
1303 NTAPI
1304 VideoPortWriteRegisterBufferUlong(
1305   IN PULONG Register,
1306   IN PULONG Buffer,
1307   IN ULONG Count);
1308
1309 VPAPI
1310 VOID
1311 NTAPI
1312 VideoPortWriteRegisterBufferUshort(
1313   IN PUSHORT Register,
1314   IN PUSHORT Buffer,
1315   IN ULONG Count);
1316
1317 VPAPI
1318 VOID
1319 NTAPI
1320 VideoPortWriteRegisterUchar(
1321   IN PUCHAR Register,
1322   IN UCHAR Value);
1323
1324 VPAPI
1325 VOID
1326 NTAPI
1327 VideoPortWriteRegisterUlong(
1328   IN PULONG Register,
1329   IN ULONG Value);
1330
1331 VPAPI
1332 VOID
1333 NTAPI
1334 VideoPortWriteRegisterUshort(
1335   IN PUSHORT Register,
1336   IN USHORT Value);
1337
1338 VPAPI
1339 VOID
1340 NTAPI
1341 VideoPortZeroDeviceMemory(
1342   IN PVOID Destination,
1343   IN ULONG Length);
1344
1345 VPAPI
1346 VOID
1347 NTAPI
1348 VideoPortZeroMemory(
1349   IN PVOID Destination,
1350   IN ULONG Length);
1351
1352 VPAPI
1353 PVOID
1354 NTAPI
1355 VideoPortAllocateContiguousMemory(
1356   IN PVOID HwDeviceExtension,
1357   IN ULONG NumberOfBytes,
1358   IN PHYSICAL_ADDRESS HighestAcceptableAddress);
1359
1360 VPAPI
1361 PVOID
1362 NTAPI
1363 VideoPortGetCommonBuffer(
1364   IN PVOID HwDeviceExtension,
1365   IN ULONG DesiredLength,
1366   IN ULONG Alignment,
1367   OUT PPHYSICAL_ADDRESS LogicalAddress,
1368   OUT PULONG pActualLength,
1369   IN BOOLEAN CacheEnabled);
1370
1371 VPAPI
1372 VOID
1373 NTAPI
1374 VideoPortFreeCommonBuffer(
1375   IN PVOID HwDeviceExtension,
1376   IN ULONG Length,
1377   IN PVOID VirtualAddress,
1378   IN PHYSICAL_ADDRESS LogicalAddress,
1379   IN BOOLEAN CacheEnabled);
1380
1381 VPAPI
1382 PDMA
1383 NTAPI
1384 VideoPortDoDma(
1385   IN PVOID HwDeviceExtension,
1386   IN PDMA pDma,
1387   IN DMA_FLAGS DmaFlags);
1388
1389 VPAPI
1390 BOOLEAN
1391 NTAPI
1392 VideoPortLockPages(
1393   IN PVOID HwDeviceExtension,
1394   IN OUT PVIDEO_REQUEST_PACKET pVrp,
1395   IN OUT PEVENT pUEvent,
1396   IN PEVENT pDisplayEvent,
1397   IN DMA_FLAGS DmaFlags);
1398
1399 VPAPI
1400 BOOLEAN
1401 NTAPI
1402 VideoPortUnlockPages(
1403   IN PVOID hwDeviceExtension,
1404   IN OUT PDMA pDma);
1405
1406 VPAPI
1407 BOOLEAN
1408 NTAPI
1409 VideoPortSignalDmaComplete(
1410   IN PVOID HwDeviceExtension,
1411   IN PDMA pDmaHandle);
1412
1413 VPAPI
1414 PVOID
1415 NTAPI
1416 VideoPortGetMdl(
1417   IN PVOID HwDeviceExtension,
1418   IN PDMA pDma);
1419
1420 VPAPI
1421 PVOID
1422 NTAPI
1423 VideoPortGetDmaContext(
1424   IN PVOID HwDeviceExtension,
1425   IN PDMA pDma);
1426
1427 VPAPI
1428 VOID
1429 NTAPI
1430 VideoPortSetDmaContext(
1431   IN PVOID HwDeviceExtension,
1432   OUT PDMA pDma,
1433   IN PVOID InstanceContext);
1434
1435 VPAPI
1436 ULONG
1437 NTAPI
1438 VideoPortGetBytesUsed(
1439   IN PVOID HwDeviceExtension,
1440   IN PDMA pDma);
1441
1442 VPAPI
1443 VOID
1444 NTAPI
1445 VideoPortSetBytesUsed(
1446   IN PVOID HwDeviceExtension,
1447   IN OUT PDMA pDma,
1448   IN ULONG BytesUsed);
1449
1450 VPAPI
1451 PDMA
1452 NTAPI
1453 VideoPortAssociateEventsWithDmaHandle(
1454   IN PVOID HwDeviceExtension,
1455   IN OUT PVIDEO_REQUEST_PACKET pVrp,
1456   IN PVOID MappedUserEvent,
1457   IN PVOID DisplayDriverEvent);
1458
1459 VPAPI
1460 PDMA
1461 NTAPI
1462 VideoPortMapDmaMemory(
1463   IN PVOID HwDeviceExtension,
1464   IN PVIDEO_REQUEST_PACKET pVrp,
1465   IN PHYSICAL_ADDRESS BoardAddress,
1466   IN PULONG Length,
1467   IN PULONG InIoSpace,
1468   IN PVOID MappedUserEvent,
1469   IN PVOID DisplayDriverEvent,
1470   IN OUT PVOID *VirtualAddress);
1471
1472 VPAPI
1473 BOOLEAN
1474 NTAPI
1475 VideoPortUnmapDmaMemory(
1476   IN PVOID HwDeviceExtension,
1477   IN PVOID VirtualAddress,
1478   IN HANDLE ProcessHandle,
1479   IN PDMA BoardMemoryHandle);
1480
1481 VPAPI
1482 VP_STATUS
1483 NTAPI
1484 VideoPortCreateSecondaryDisplay(
1485   IN PVOID HwDeviceExtension,
1486   IN OUT PVOID *SecondaryDeviceExtension,
1487   IN ULONG ulFlag);
1488
1489 VPAPI
1490 PVP_DMA_ADAPTER
1491 NTAPI
1492 VideoPortGetDmaAdapter(
1493   IN PVOID HwDeviceExtension,
1494   IN PVP_DEVICE_DESCRIPTION VpDeviceDescription);
1495
1496 VPAPI
1497 VOID
1498 NTAPI
1499 VideoPortPutDmaAdapter(
1500   IN PVOID HwDeviceExtension,
1501   IN PVP_DMA_ADAPTER VpDmaAdapter);
1502
1503 VPAPI
1504 PVOID
1505 NTAPI
1506 VideoPortAllocateCommonBuffer(
1507   IN PVOID HwDeviceExtension,
1508   IN PVP_DMA_ADAPTER VpDmaAdapter,
1509   IN ULONG DesiredLength,
1510   OUT PPHYSICAL_ADDRESS LogicalAddress,
1511   IN BOOLEAN CacheEnabled,
1512   PVOID Reserved);
1513
1514 VPAPI
1515 VOID
1516 NTAPI
1517 VideoPortReleaseCommonBuffer(
1518   IN PVOID HwDeviceExtension,
1519   IN PVP_DMA_ADAPTER VpDmaAdapter,
1520   IN ULONG Length,
1521   IN PHYSICAL_ADDRESS LogicalAddress,
1522   IN PVOID VirtualAddress,
1523   IN BOOLEAN CacheEnabled);
1524
1525 VPAPI
1526 PVOID
1527 NTAPI
1528 VideoPortLockBuffer(
1529   IN PVOID HwDeviceExtension,
1530   IN PVOID BaseAddress,
1531   IN ULONG Length,
1532   IN VP_LOCK_OPERATION Operation);
1533
1534 VPAPI
1535 VOID
1536 NTAPI
1537 VideoPortUnLockBuffer(
1538   IN PVOID HwDeviceExtension,
1539   IN PVOID Mdl);
1540
1541 VPAPI
1542 VP_STATUS
1543 NTAPI
1544 VideoPortStartDma(
1545   IN PVOID HwDeviceExtension,
1546   IN PVP_DMA_ADAPTER VpDmaAdapter,
1547   IN PVOID Mdl,
1548   IN ULONG Offset,
1549   IN OUT PULONG pLength,
1550   IN PEXECUTE_DMA ExecuteDmaRoutine,
1551   IN PVOID Context,
1552   IN BOOLEAN WriteToDevice);
1553
1554 VPAPI
1555 VP_STATUS
1556 NTAPI
1557 VideoPortCompleteDma(
1558   IN PVOID HwDeviceExtension,
1559   IN PVP_DMA_ADAPTER VpDmaAdapter,
1560   IN PVP_SCATTER_GATHER_LIST VpScatterGather,
1561   IN BOOLEAN WriteToDevice);
1562
1563 VPAPI
1564 VP_STATUS
1565 NTAPI
1566 VideoPortCreateEvent(
1567   IN PVOID HwDeviceExtension,
1568   IN ULONG EventFlag,
1569   IN PVOID Unused,
1570   OUT PEVENT *ppEvent);
1571
1572 VPAPI
1573 VP_STATUS
1574 NTAPI
1575 VideoPortDeleteEvent(
1576   IN PVOID HwDeviceExtension,
1577   IN PEVENT pEvent);
1578
1579 VPAPI
1580 LONG
1581 NTAPI
1582 VideoPortSetEvent(
1583   IN PVOID HwDeviceExtension,
1584   IN PEVENT pEvent);
1585
1586 VPAPI
1587 VOID
1588 NTAPI
1589 VideoPortClearEvent(
1590   IN PVOID HwDeviceExtension,
1591   IN PEVENT pEvent);
1592
1593 VPAPI
1594 LONG
1595 NTAPI
1596 VideoPortReadStateEvent(
1597   IN PVOID HwDeviceExtension,
1598   IN PEVENT pEvent);
1599
1600 VPAPI
1601 VP_STATUS
1602 NTAPI
1603 VideoPortWaitForSingleObject(
1604   IN PVOID HwDeviceExtension,
1605   IN PVOID Object,
1606   IN PLARGE_INTEGER Timeout OPTIONAL);
1607
1608 VPAPI
1609 PVOID
1610 NTAPI
1611 VideoPortAllocatePool(
1612   IN PVOID HwDeviceExtension,
1613   IN VP_POOL_TYPE PoolType,
1614   IN SIZE_T NumberOfBytes,
1615   IN ULONG Tag);
1616
1617 VPAPI
1618 VOID
1619 NTAPI
1620 VideoPortFreePool(
1621   IN PVOID HwDeviceExtension,
1622   IN PVOID Ptr);
1623
1624 VPAPI
1625 VP_STATUS
1626 NTAPI
1627 VideoPortCreateSpinLock(
1628   IN PVOID HwDeviceExtension,
1629   OUT PSPIN_LOCK *SpinLock);
1630
1631 VPAPI
1632 VP_STATUS
1633 NTAPI
1634 VideoPortDeleteSpinLock(
1635   IN PVOID HwDeviceExtension,
1636   IN PSPIN_LOCK SpinLock);
1637
1638 VPAPI
1639 VOID
1640 NTAPI
1641 VideoPortAcquireSpinLock(
1642   IN PVOID HwDeviceExtension,
1643   IN PSPIN_LOCK SpinLock,
1644   OUT PUCHAR OldIrql);
1645
1646 VPAPI
1647 VOID
1648 NTAPI
1649 VideoPortAcquireSpinLockAtDpcLevel(
1650   IN PVOID HwDeviceExtension,
1651   IN PSPIN_LOCK SpinLock);
1652
1653 VPAPI
1654 VOID
1655 NTAPI
1656 VideoPortReleaseSpinLock(
1657   IN PVOID HwDeviceExtension,
1658   IN PSPIN_LOCK SpinLock,
1659   IN UCHAR NewIrql);
1660
1661 VPAPI
1662 VOID
1663 NTAPI
1664 VideoPortReleaseSpinLockFromDpcLevel(
1665   IN PVOID HwDeviceExtension,
1666   IN PSPIN_LOCK SpinLock);
1667
1668 VPAPI
1669 VOID
1670 NTAPI
1671 VideoPortQuerySystemTime(
1672   OUT PLARGE_INTEGER CurrentTime);
1673
1674 VPAPI
1675 BOOLEAN
1676 NTAPI
1677 VideoPortCheckForDeviceExistence(
1678   IN PVOID HwDeviceExtension,
1679   IN USHORT VendorId,
1680   IN USHORT DeviceId,
1681   IN UCHAR RevisionId,
1682   IN USHORT SubVendorId,
1683   IN USHORT SubSystemId,
1684   IN ULONG Flags);
1685
1686 VPAPI
1687 ULONG
1688 NTAPI
1689 VideoPortGetAssociatedDeviceID(
1690   IN PVOID DeviceObject);
1691
1692 VPAPI
1693 VP_STATUS
1694 NTAPI
1695 VideoPortFlushRegistry(
1696   PVOID HwDeviceExtension);
1697
1698 VPAPI
1699 VP_STATUS
1700 NTAPI
1701 VideoPortGetVersion(
1702   IN PVOID HwDeviceExtension,
1703   IN OUT PVPOSVERSIONINFO pVpOsVersionInfo);
1704
1705 VPAPI
1706 BOOLEAN
1707 NTAPI
1708 VideoPortIsNoVesa(VOID);
1709
1710 VPAPI
1711 VP_STATUS
1712 NTAPI
1713 VideoPortRegisterBugcheckCallback(
1714   IN PVOID HwDeviceExtension,
1715   IN ULONG BugcheckCode,
1716   IN PVIDEO_BUGCHECK_CALLBACK Callback,
1717   IN ULONG BugcheckDataSize);
1718
1719 VPAPI
1720 PVIDEO_DEBUG_REPORT
1721 NTAPI
1722 VideoPortDbgReportCreate(
1723   IN PVOID HwDeviceExtension,
1724   IN ULONG ulCode,
1725   IN ULONG_PTR ulpArg1,
1726   IN ULONG_PTR ulpArg2,
1727   IN ULONG_PTR ulpArg3,
1728   IN ULONG_PTR ulpArg4);
1729
1730 VPAPI
1731 BOOLEAN
1732 NTAPI
1733 VideoPortDbgReportSecondaryData(
1734   IN OUT PVIDEO_DEBUG_REPORT pReport,
1735   IN PVOID pvData,
1736   IN ULONG ulDataSize);
1737
1738 VPAPI
1739 VOID
1740 NTAPI
1741 VideoPortDbgReportComplete(
1742   IN OUT PVIDEO_DEBUG_REPORT pReport);
1743
1744 #ifdef __cplusplus
1745 }
1746 #endif