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