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