video.h

开放源码的编译器open watcom 1.6.0版的源代码

/*
 * video.h
 *
 * Video port and miniport driver interface
 *
 * This file is part of the w32api package.
 *
 * Contributors:
 *   Created by Casper S. Hornstrup <[e-mail]>
 *
 * THIS SOFTWARE IS NOT COPYRIGHTED
 *
 * This source code is offered for use in the public domain. You may
 * use, modify or distribute it freely.
 *
 * This code is distributed in the hope that it will be useful but
 * WITHOUT ANY WARRANTY. ALL WARRANTIES, EXPRESS OR IMPLIED ARE HEREBY
 * DISCLAIMED. This includes but is not limited to warranties of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
 *
 */

#ifndef __VIDEO_H
#define __VIDEO_H


#if __GNUC__ >=3
#pragma GCC system_header
#endif

#ifdef __WINDDI_H
#error winddi.h cannot be included with video.h
#else

#ifdef __cplusplus
extern "C" {
#endif

#include "ntddk.h"

#if defined(_VIDEOPORT_)
  #define VPAPI DECLSPEC_EXPORT
#else
  #define VPAPI DECLSPEC_IMPORT
#endif

#include "videoagp.h"
#include "ntddvdeo.h"


typedef LONG VP_STATUS;
typedef VP_STATUS *PVP_STATUS;
typedef struct __DMA_PARAMETERS * PDMA;
typedef struct _VIDEO_PORT_EVENT *PEVENT;
typedef struct _VIDEO_PORT_SPIN_LOCK *PSPIN_LOCK;
typedef struct __VP_DMA_ADAPTER *PVP_DMA_ADAPTER;

#define DISPLAY_ADAPTER_HW_ID             0xFFFFFFFF

#define EVENT_TYPE_MASK                   1
#define SYNCHRONIZATION_EVENT             0
#define NOTIFICATION_EVENT                1

#define INITIAL_EVENT_STATE_MASK          2
#define INITIAL_EVENT_NOT_SIGNALED        0
#define INITIAL_EVENT_SIGNALED            2

typedef enum VIDEO_DEBUG_LEVEL {
  Error = 0,
  Warn,
  Trace,
  Info
} VIDEO_DEBUG_LEVEL, *PVIDEO_DEBUG_LEVEL;

typedef enum {
  VideoPortUnlockAfterDma = 1,
  VideoPortKeepPagesLocked,
  VideoPortDmaInitOnly
} DMA_FLAGS;

typedef enum _HW_DMA_RETURN {
  DmaAsyncReturn,
  DmaSyncReturn
} HW_DMA_RETURN, *PHW_DMA_RETURN;

typedef HW_DMA_RETURN
(*PVIDEO_HW_START_DMA)(
    PVOID  HwDeviceExtension,
    PDMA  pDma);


#ifdef DBG

#define PAGED_CODE() \
  if (VideoPortGetCurrentIrql() > 1 /* APC_LEVEL */) \
  { \
    VideoPortDebugPrint(Error, "Video: Pageable code called at IRQL %d\n", VideoPortGetCurrentIrql() ); \
    ASSERT(FALSE); \
  }

#else

#define PAGED_CODE()

#endif

typedef struct _VIDEO_HARDWARE_CONFIGURATION_DATA {
  INTERFACE_TYPE InterfaceType;
  ULONG BusNumber;
  USHORT Version;
  USHORT Revision;
  USHORT Irql;
  USHORT Vector;
  ULONG ControlBase;
  ULONG ControlSize;
  ULONG CursorBase;
  ULONG CursorSize;
  ULONG FrameBase;
  ULONG FrameSize;
} VIDEO_HARDWARE_CONFIGURATION_DATA, *PVIDEO_HARDWARE_CONFIGURATION_DATA;

#define SIZE_OF_NT4_VIDEO_PORT_CONFIG_INFO       0x42
#define SIZE_OF_NT4_VIDEO_HW_INITIALIZATION_DATA 0x28
#define SIZE_OF_W2K_VIDEO_HW_INITIALIZATION_DATA 0x50

typedef enum _VIDEO_DEVICE_DATA_TYPE {
  VpMachineData = 0,
  VpCmosData,
  VpBusData,
  VpControllerData,
  VpMonitorData
} VIDEO_DEVICE_DATA_TYPE, *PVIDEO_DEVICE_DATA_TYPE;



/* Video miniport driver functions */

typedef struct _VP_SCATTER_GATHER_ELEMENT {
  PHYSICAL_ADDRESS  Address;
  ULONG  Length;
  ULONG_PTR  Reserved;
} VP_SCATTER_GATHER_ELEMENT, *PVP_SCATTER_GATHER_ELEMENT;

typedef struct _VP_SCATTER_GATHER_LIST {
  ULONG  NumberOfElements;
  ULONG_PTR  Reserved;
  VP_SCATTER_GATHER_ELEMENT  Elements[0];
} VP_SCATTER_GATHER_LIST, *PVP_SCATTER_GATHER_LIST;

typedef VOID DDKAPI
(*PEXECUTE_DMA)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVP_DMA_ADAPTER  VpDmaAdapter,
  /*IN*/ PVP_SCATTER_GATHER_LIST  SGList,
  /*IN*/ PVOID  Context);

typedef PVOID DDKAPI
(*PVIDEO_PORT_GET_PROC_ADDRESS)(
/*IN*/ PVOID  HwDeviceExtension,
/*IN*/ PUCHAR  FunctionName);

typedef struct _VIDEO_PORT_CONFIG_INFO {
  ULONG  Length;
  ULONG  SystemIoBusNumber;
  INTERFACE_TYPE  AdapterInterfaceType;
  ULONG  BusInterruptLevel;
  ULONG  BusInterruptVector;
  KINTERRUPT_MODE  InterruptMode;
  ULONG  NumEmulatorAccessEntries;
  PEMULATOR_ACCESS_ENTRY  EmulatorAccessEntries;
  ULONG_PTR  EmulatorAccessEntriesContext;
  PHYSICAL_ADDRESS  VdmPhysicalVideoMemoryAddress;
  ULONG  VdmPhysicalVideoMemoryLength;
  ULONG  HardwareStateSize;
  ULONG  DmaChannel;
  ULONG  DmaPort;
  UCHAR  DmaShareable;
  UCHAR  InterruptShareable;
  BOOLEAN  Master;
  DMA_WIDTH  DmaWidth;
  DMA_SPEED  DmaSpeed;
  BOOLEAN  bMapBuffers;
  BOOLEAN  NeedPhysicalAddresses;
  BOOLEAN  DemandMode;
  ULONG  MaximumTransferLength;
  ULONG  NumberOfPhysicalBreaks;
  BOOLEAN  ScatterGather;
  ULONG  MaximumScatterGatherChunkSize;
  PVIDEO_PORT_GET_PROC_ADDRESS VideoPortGetProcAddress;
  PWSTR  DriverRegistryPath;
  ULONGLONG  SystemMemorySize;
} VIDEO_PORT_CONFIG_INFO, *PVIDEO_PORT_CONFIG_INFO;

typedef VP_STATUS DDKAPI
(*PVIDEO_HW_FIND_ADAPTER)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVOID  HwContext,
  /*IN*/ PWSTR  ArgumentString,
  /*IN OUT*/  PVIDEO_PORT_CONFIG_INFO  ConfigInfo,
  /*OUT*/ PUCHAR  Again);

typedef VP_STATUS DDKAPI
(*PVIDEO_HW_POWER_GET)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ ULONG  HwId,
  /*IN OUT*/  PVIDEO_POWER_MANAGEMENT  VideoPowerControl);

/* PVIDEO_HW_GET_CHILD_DESCRIPTOR return values */
#define VIDEO_ENUM_MORE_DEVICES           ERROR_CONTINUE
#define VIDEO_ENUM_NO_MORE_DEVICES        ERROR_NO_MORE_DEVICES
#define VIDEO_ENUM_INVALID_DEVICE         ERROR_INVALID_NAME

/* PVIDEO_HW_GET_CHILD_DESCRIPTOR.ChildEnumInfo constants */
typedef struct _VIDEO_CHILD_ENUM_INFO {
  ULONG  Size;
  ULONG  ChildDescriptorSize;
  ULONG  ChildIndex;
  ULONG  ACPIHwId;
  PVOID  ChildHwDeviceExtension;
} VIDEO_CHILD_ENUM_INFO, *PVIDEO_CHILD_ENUM_INFO;

/* PVIDEO_HW_GET_CHILD_DESCRIPTOR.VideoChildType constants */
typedef enum _VIDEO_CHILD_TYPE {
  Monitor = 1,
  NonPrimaryChip,
  VideoChip,
  Other
} VIDEO_CHILD_TYPE, *PVIDEO_CHILD_TYPE;

typedef VP_STATUS DDKAPI
(*PVIDEO_HW_GET_CHILD_DESCRIPTOR)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVIDEO_CHILD_ENUM_INFO  ChildEnumInfo,
  /*OUT*/  PVIDEO_CHILD_TYPE  VideoChildType,
  /*OUT*/  PUCHAR  pChildDescriptor,
  /*OUT*/  PULONG  UId,
  /*OUT*/  PULONG  pUnused);

typedef BOOLEAN DDKAPI
(*PVIDEO_HW_INITIALIZE)(
  /*IN*/ PVOID  HwDeviceExtension);

typedef BOOLEAN DDKAPI
(*PVIDEO_HW_INTERRUPT)(
  /*IN*/ PVOID  HwDeviceExtension);

/* VIDEO_ACCESS_RANGE.RangePassive */
#define VIDEO_RANGE_PASSIVE_DECODE        1
#define VIDEO_RANGE_10_BIT_DECODE         2

#ifndef VIDEO_ACCESS_RANGE_DEFINED /* also in miniport.h */
#define VIDEO_ACCESS_RANGE_DEFINED
typedef struct _VIDEO_ACCESS_RANGE {
  PHYSICAL_ADDRESS  RangeStart;
  ULONG  RangeLength;
  UCHAR  RangeInIoSpace;
  UCHAR  RangeVisible;
  UCHAR  RangeShareable;
  UCHAR  RangePassive;
} VIDEO_ACCESS_RANGE, *PVIDEO_ACCESS_RANGE;
#endif

typedef VOID DDKAPI
(*PVIDEO_HW_LEGACYRESOURCES)(
  /*IN*/ ULONG  VendorId,
  /*IN*/ ULONG  DeviceId,
  /*IN OUT*/  PVIDEO_ACCESS_RANGE  *LegacyResourceList,
  /*IN OUT*/  PULONG  LegacyResourceCount);

typedef VP_STATUS DDKAPI
(*PMINIPORT_QUERY_DEVICE_ROUTINE)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVOID  Context,
  /*IN*/ VIDEO_DEVICE_DATA_TYPE  DeviceDataType,
  /*IN*/ PVOID  Identifier,
  /*IN*/ ULONG  IdentifierLength,
  /*IN*/ PVOID  ConfigurationData,
  /*IN*/ ULONG  ConfigurationDataLength,
  /*IN OUT*/  PVOID  ComponentInformation,
  /*IN*/ ULONG  ComponentInformationLength);

typedef struct _QUERY_INTERFACE {
  CONST GUID  *InterfaceType;
  USHORT  Size;
  USHORT  Version;
  PINTERFACE  Interface;
  PVOID  InterfaceSpecificData;
} QUERY_INTERFACE, *PQUERY_INTERFACE;

typedef VP_STATUS DDKAPI
(*PVIDEO_HW_QUERY_INTERFACE)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN OUT*/  PQUERY_INTERFACE  QueryInterface);

typedef VP_STATUS DDKAPI
(*PMINIPORT_GET_REGISTRY_ROUTINE)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVOID  Context,
  /*IN OUT*/  PWSTR  ValueName,
  /*IN OUT*/  PVOID  ValueData,
  /*IN*/ ULONG  ValueLength);

typedef BOOLEAN DDKAPI
(*PVIDEO_HW_RESET_HW)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ ULONG  Columns,
  /*IN*/ ULONG  Rows);

typedef VP_STATUS DDKAPI
(*PVIDEO_HW_POWER_SET)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ ULONG  HwId,
  /*IN*/ PVIDEO_POWER_MANAGEMENT  VideoPowerControl);

typedef struct _STATUS_BLOCK {
   _ANONYMOUS_UNION union {
    VP_STATUS  Status;
    PVOID  Pointer;
  } DUMMYUNIONNAME;
  ULONG_PTR Information;
} STATUS_BLOCK, *PSTATUS_BLOCK;

typedef struct _VIDEO_REQUEST_PACKET {
  ULONG  IoControlCode;
  PSTATUS_BLOCK  StatusBlock;
  PVOID  InputBuffer;
  ULONG  InputBufferLength;
  PVOID  OutputBuffer;
  ULONG  OutputBufferLength;
} VIDEO_REQUEST_PACKET, *PVIDEO_REQUEST_PACKET;

typedef BOOLEAN DDKAPI
(*PVIDEO_HW_START_IO)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVIDEO_REQUEST_PACKET  RequestPacket);

typedef BOOLEAN DDKAPI
(*PMINIPORT_SYNCHRONIZE_ROUTINE)(
  /*IN*/ PVOID  Context);

typedef VOID DDKAPI
(*PVIDEO_HW_TIMER)(
  /*IN*/ PVOID  HwDeviceExtension);

typedef VOID DDKAPI
(*PMINIPORT_DPC_ROUTINE)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PVOID  Context);

typedef VP_STATUS DDKAPI
(*PDRIVER_IO_PORT_UCHAR)(
  /*IN*/ ULONG_PTR  Context,
  /*IN*/ ULONG  Port,
  /*IN*/ UCHAR  AccessMode,
  /*IN*/ PUCHAR  Data);

typedef VP_STATUS DDKAPI
(*PDRIVER_IO_PORT_UCHAR_STRING)(
  /*IN*/ ULONG_PTR  Context,
  /*IN*/ ULONG  Port,
  /*IN*/ UCHAR  AccessMode,
  /*IN*/ PUCHAR  Data,
  /*IN*/ ULONG  DataLength);

typedef VP_STATUS DDKAPI
(*PDRIVER_IO_PORT_ULONG)(
  /*IN*/ ULONG_PTR  Context,
  /*IN*/ ULONG  Port,
  /*IN*/ UCHAR  AccessMode,
  /*IN*/ PULONG  Data);

typedef VP_STATUS DDKAPI
(*PDRIVER_IO_PORT_ULONG_STRING)(
  /*IN*/ ULONG_PTR  Context,
  /*IN*/ ULONG  Port,
  /*IN*/ UCHAR  AccessMode,
  /*IN*/ PULONG  Data,
  /*IN*/ ULONG  DataLength);

typedef VP_STATUS DDKAPI
(*PDRIVER_IO_PORT_USHORT)(
  /*IN*/ ULONG_PTR  Context,
  /*IN*/ ULONG  Port,
  /*IN*/ UCHAR  AccessMode,
  /*IN*/ PUSHORT  Data);

typedef VP_STATUS DDKAPI
(*PDRIVER_IO_PORT_USHORT_STRING)(
  /*IN*/ ULONG_PTR  Context,
  /*IN*/ ULONG  Port,
  /*IN*/ UCHAR  AccessMode,
  /*IN*/ PUSHORT  Data,
  /*IN*/ ULONG  DataLength);



typedef struct _INT10_BIOS_ARGUMENTS {
  ULONG  Eax;
  ULONG  Ebx;
  ULONG  Ecx;
  ULONG  Edx;
  ULONG  Esi;
  ULONG  Edi;
  ULONG  Ebp;
  USHORT  SegDs;
  USHORT  SegEs;
} INT10_BIOS_ARGUMENTS, *PINT10_BIOS_ARGUMENTS;

typedef struct _VIDEO_CHILD_STATE {
  ULONG  Id;
  ULONG  State;
} VIDEO_CHILD_STATE, *PVIDEO_CHILD_STATE;

typedef struct _VIDEO_CHILD_STATE_CONFIGURATION {
  ULONG  Count;
  VIDEO_CHILD_STATE  ChildStateArray[ANYSIZE_ARRAY];
} VIDEO_CHILD_STATE_CONFIGURATION, *PVIDEO_CHILD_STATE_CONFIGURATION;

typedef struct _VIDEO_HW_INITIALIZATION_DATA {
  ULONG  HwInitDataSize;
  INTERFACE_TYPE  AdapterInterfaceType;
  PVIDEO_HW_FIND_ADAPTER  HwFindAdapter;
  PVIDEO_HW_INITIALIZE  HwInitialize;
  PVIDEO_HW_INTERRUPT  HwInterrupt;
  PVIDEO_HW_START_IO  HwStartIO;
  ULONG  HwDeviceExtensionSize;
  ULONG  StartingDeviceNumber;
  PVIDEO_HW_RESET_HW  HwResetHw;
  PVIDEO_HW_TIMER  HwTimer;
  PVIDEO_HW_START_DMA  HwStartDma;
  PVIDEO_HW_POWER_SET  HwSetPowerState;
  PVIDEO_HW_POWER_GET  HwGetPowerState;
  PVIDEO_HW_GET_CHILD_DESCRIPTOR  HwGetVideoChildDescriptor;
  PVIDEO_HW_QUERY_INTERFACE  HwQueryInterface;
  ULONG  HwChildDeviceExtensionSize;
  PVIDEO_ACCESS_RANGE  HwLegacyResourceList;
  ULONG  HwLegacyResourceCount;
  PVIDEO_HW_LEGACYRESOURCES  HwGetLegacyResources;
  BOOLEAN  AllowEarlyEnumeration;
  ULONG  Reserved;
} VIDEO_HW_INITIALIZATION_DATA, *PVIDEO_HW_INITIALIZATION_DATA;

  /* VIDEO_PORT_AGP_INTERFACE.Version contants */
#define VIDEO_PORT_AGP_INTERFACE_VERSION_1 1

typedef struct _VIDEO_PORT_AGP_INTERFACE {
  SHORT  Size;
  SHORT  Version;
  PVOID  Context;
  PINTERFACE_REFERENCE  InterfaceReference;
  PINTERFACE_DEREFERENCE  InterfaceDereference;
  PAGP_RESERVE_PHYSICAL  AgpReservePhysical;
  PAGP_RELEASE_PHYSICAL  AgpReleasePhysical;
  PAGP_COMMIT_PHYSICAL  AgpCommitPhysical;
  PAGP_FREE_PHYSICAL  AgpFreePhysical;
  PAGP_RESERVE_VIRTUAL  AgpReserveVirtual;
  PAGP_RELEASE_VIRTUAL  AgpReleaseVirtual;
  PAGP_COMMIT_VIRTUAL  AgpCommitVirtual;
  PAGP_FREE_VIRTUAL  AgpFreeVirtual;
  ULONGLONG  AgpAllocationLimit;
} VIDEO_PORT_AGP_INTERFACE, *PVIDEO_PORT_AGP_INTERFACE;

  /* VIDEO_PORT_AGP_INTERFACE_2.Version constants */
#define VIDEO_PORT_AGP_INTERFACE_VERSION_2 2

typedef struct _VIDEO_PORT_AGP_INTERFACE_2 {
  /*IN*/ USHORT  Size;
  /*IN*/ USHORT  Version;
  /*OUT*/ PVOID  Context;
  /*OUT*/ PINTERFACE_REFERENCE  InterfaceReference;
  /*OUT*/ PINTERFACE_DEREFERENCE  InterfaceDereference;
  /*OUT*/ PAGP_RESERVE_PHYSICAL  AgpReservePhysical;
  /*OUT*/ PAGP_RELEASE_PHYSICAL  AgpReleasePhysical;
  /*OUT*/ PAGP_COMMIT_PHYSICAL  AgpCommitPhysical;
  /*OUT*/ PAGP_FREE_PHYSICAL  AgpFreePhysical;
  /*OUT*/ PAGP_RESERVE_VIRTUAL  AgpReserveVirtual;
  /*OUT*/ PAGP_RELEASE_VIRTUAL  AgpReleaseVirtual;
  /*OUT*/ PAGP_COMMIT_VIRTUAL  AgpCommitVirtual;
  /*OUT*/ PAGP_FREE_VIRTUAL  AgpFreeVirtual;
  /*OUT*/ ULONGLONG  AgpAllocationLimit;
  /*OUT*/ PAGP_SET_RATE  AgpSetRate;
} VIDEO_PORT_AGP_INTERFACE_2, *PVIDEO_PORT_AGP_INTERFACE_2;

#define VIDEO_PORT_I2C_INTERFACE_VERSION_1  1

typedef VOID DDKAPI
(*PVIDEO_WRITE_CLOCK_LINE)(
  PVOID HwDeviceExtension,
  UCHAR Data);

typedef VOID DDKAPI
(*PVIDEO_WRITE_DATA_LINE)(
  PVOID HwDeviceExtension,
  UCHAR Data);

typedef BOOLEAN DDKAPI
(*PVIDEO_READ_CLOCK_LINE)(
  PVOID HwDeviceExtension);

typedef BOOLEAN DDKAPI
(*PVIDEO_READ_DATA_LINE)(
  PVOID HwDeviceExtension);

typedef struct _I2C_CALLBACKS
{
  /*IN*/ PVIDEO_WRITE_CLOCK_LINE  WriteClockLine;
  /*IN*/ PVIDEO_WRITE_DATA_LINE  WriteDataLine;
  /*IN*/ PVIDEO_READ_CLOCK_LINE  ReadClockLine;
  /*IN*/ PVIDEO_READ_DATA_LINE  ReadDataLine;
} I2C_CALLBACKS, *PI2C_CALLBACKS;

typedef BOOLEAN DDKAPI
(*PI2C_START)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PI2C_CALLBACKS  I2CCallbacks);

typedef BOOLEAN DDKAPI
(*PI2C_STOP)(
  /*IN*/ PVOID  HwDeviceExtension,
  /*IN*/ PI2C_CALLBACKS  I2CCallbacks);

typedef BOOLEAN DDKAPI
(*PI2C_WRITE)(