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