/*

 * videoagp.h

 *

 * Video miniport AGP interface

 *

 * This file is part of the w32api package.

 *

 * Contributors:

 *   Created by Casper S. Hornstrup <chorns@users.sourceforge.net>

 *

 * 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 __VIDEOAGP_H

#define __VIDEOAGP_H

#if __GNUC__ >=3

#pragma GCC system_header

#endif

#ifdef __cplusplus

extern "C" {

#endif

#include "ntddk.h"

#include "video.h"

#define VIDEO_AGP_RATE_1X                 0x00000001

#define VIDEO_AGP_RATE_2X                 0x00000002

#define VIDEO_AGP_RATE_4X                 0x00000004

#define VIDEO_AGP_RATE_8X                 0x00000008

typedef enum _VIDEO_PORT_CACHE_TYPE {

	VpNonCached = 0,

	VpWriteCombined,

	VpCached

} VIDEO_PORT_CACHE_TYPE;

typedef BOOLEAN DDKAPI

(*PAGP_COMMIT_PHYSICAL)(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ PVOID  PhysicalReserveContext,

  /*IN*/ ULONG  Pages,

  /*IN*/ ULONG  Offset);

typedef PVOID DDKAPI

(*PAGP_COMMIT_VIRTUAL)(

  /*IN*/  PVOID  HwDeviceExtension,

  /*IN*/  PVOID  VirtualReserveContext,

  /*IN*/  ULONG  Pages,

  /*IN*/  ULONG  Offset);

typedef VOID DDKAPI

(*PAGP_FREE_PHYSICAL)(

  /*IN*/  PVOID  HwDeviceExtension,

  /*IN*/  PVOID  PhysicalReserveContext,

  /*IN*/  ULONG  Pages,

  /*IN*/  ULONG  Offset);

typedef VOID DDKAPI

(*PAGP_FREE_VIRTUAL)(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ PVOID  VirtualReserveContext,

  /*IN*/ ULONG  Pages,

  /*IN*/ ULONG  Offset);

typedef VOID DDKAPI

(*PAGP_RELEASE_PHYSICAL)(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ PVOID  PhysicalReserveContext);

typedef VOID DDKAPI

(*PAGP_RELEASE_VIRTUAL)(

  /*IN*/  PVOID  HwDeviceExtension,

  /*IN*/  PVOID  VirtualReserveContext);

typedef PHYSICAL_ADDRESS DDKAPI

(*PAGP_RESERVE_PHYSICAL)(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ ULONG  Pages,

  /*IN*/ VIDEO_PORT_CACHE_TYPE  Caching,

  /*OUT*/ PVOID  *PhysicalReserveContext);

typedef PVOID DDKAPI

(*PAGP_RESERVE_VIRTUAL)(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ HANDLE  ProcessHandle,

  /*IN*/ PVOID  PhysicalReserveContext,

  /*OUT*/ PVOID  *VirtualReserveContext);

typedef BOOLEAN DDKAPI

(*PAGP_SET_RATE)(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ ULONG  AgpRate);

typedef struct _VIDEO_PORT_AGP_SERVICES {

  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  AllocationLimit;

} VIDEO_PORT_AGP_SERVICES, *PVIDEO_PORT_AGP_SERVICES;

VPAPI

BOOLEAN

DDKAPI

VideoPortGetAgpServices(

  /*IN*/ PVOID  HwDeviceExtension,

  /*IN*/ PVIDEO_PORT_AGP_SERVICES  AgpServices);

#ifdef __cplusplus

}

#endif

#endif /* __VIDEOAGP_H */