reactos/w32api/include/ddk/videoagp.h

   1 /*
   2  * videoagp.h
   3  *
   4  * Video miniport AGP 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 __VIDEOAGP_H
  24 #define __VIDEOAGP_H
  25
  26 #if __GNUC__ >=3
  27 #pragma GCC system_header
  28 #endif
  29
  30 #ifdef __cplusplus
  31 extern "C" {
  32 #endif
  33
  34 #pragma pack(push,4)
  35
  36 #include "ntddk.h"
  37 #include "video.h"
  38
  39
  40 #define VIDEO_AGP_RATE_1X                 0x00000001
  41 #define VIDEO_AGP_RATE_2X                 0x00000002
  42 #define VIDEO_AGP_RATE_4X                 0x00000004
  43 #define VIDEO_AGP_RATE_8X                 0x00000008
  44
  45 typedef enum _VIDEO_PORT_CACHE_TYPE {
  46         VpNonCached = 0,
  47         VpWriteCombined,
  48         VpCached
  49 } VIDEO_PORT_CACHE_TYPE;
  50
  51 typedef BOOLEAN DDKAPI
  52 (*PAGP_COMMIT_PHYSICAL)(
  53   IN  PVOID  HwDeviceExtension,
  54   IN  PVOID  PhysicalReserveContext,
  55   IN  ULONG  Pages,
  56   IN  ULONG  Offset);
  57
  58 typedef PVOID DDKAPI
  59 (*PAGP_COMMIT_VIRTUAL)(
  60         IN  PVOID  HwDeviceExtension,
  61         IN  PVOID  VirtualReserveContext,
  62         IN  ULONG  Pages,
  63         IN  ULONG  Offset);
  64
  65 typedef VOID DDKAPI
  66 (*PAGP_FREE_PHYSICAL)(
  67         IN  PVOID  HwDeviceExtension,
  68         IN  PVOID  PhysicalReserveContext,
  69         IN  ULONG  Pages,
  70         IN  ULONG  Offset);
  71
  72 typedef VOID DDKAPI
  73 (*PAGP_FREE_VIRTUAL)(
  74   IN  PVOID  HwDeviceExtension,
  75   IN  PVOID  VirtualReserveContext,
  76   IN  ULONG  Pages,
  77   IN  ULONG  Offset);
  78
  79 typedef VOID DDKAPI
  80 (*PAGP_RELEASE_PHYSICAL)(
  81   IN  PVOID  HwDeviceExtension,
  82   IN  PVOID  PhysicalReserveContext);
  83
  84 typedef VOID DDKAPI
  85 (*PAGP_RELEASE_VIRTUAL)(
  86         IN  PVOID  HwDeviceExtension,
  87         IN  PVOID  VirtualReserveContext);
  88
  89 typedef PHYSICAL_ADDRESS DDKAPI
  90 (*PAGP_RESERVE_PHYSICAL)(
  91   IN  PVOID  HwDeviceExtension,
  92   IN  ULONG  Pages,
  93   IN  VIDEO_PORT_CACHE_TYPE  Caching,
  94   OUT PVOID  *PhysicalReserveContext);
  95
  96 typedef PVOID DDKAPI
  97 (*PAGP_RESERVE_VIRTUAL)(
  98   IN  PVOID  HwDeviceExtension,
  99   IN  HANDLE  ProcessHandle,
 100   IN  PVOID  PhysicalReserveContext,
 101   OUT PVOID  *VirtualReserveContext);
 102
 103 typedef BOOLEAN DDKAPI
 104 (*PAGP_SET_RATE)(
 105         IN  PVOID  HwDeviceExtension,
 106         IN  ULONG  AgpRate);
 107
 108 typedef struct _VIDEO_PORT_AGP_SERVICES {
 109   PAGP_RESERVE_PHYSICAL  AgpReservePhysical;
 110   PAGP_RELEASE_PHYSICAL  AgpReleasePhysical;
 111   PAGP_COMMIT_PHYSICAL  AgpCommitPhysical;
 112   PAGP_FREE_PHYSICAL  AgpFreePhysical;
 113   PAGP_RESERVE_VIRTUAL  AgpReserveVirtual;
 114   PAGP_RELEASE_VIRTUAL  AgpReleaseVirtual;
 115   PAGP_COMMIT_VIRTUAL  AgpCommitVirtual;
 116   PAGP_FREE_VIRTUAL  AgpFreeVirtual;
 117   ULONGLONG  AllocationLimit;
 118 } VIDEO_PORT_AGP_SERVICES, *PVIDEO_PORT_AGP_SERVICES;
 119
 120 VPAPI
 121 BOOLEAN
 122 DDKAPI
 123 VideoPortGetAgpServices(
 124         IN  PVOID  HwDeviceExtension,
 125         IN  PVIDEO_PORT_AGP_SERVICES  AgpServices);
 126
 127 #pragma pack(pop)
 128
 129 #ifdef __cplusplus
 130 }
 131 #endif
 132
 133 #endif /* __VIDEOAGP_H */