reactos/drivers/video/videoprt/videoprt.h

   1 /*
   2  * VideoPort driver
   3  *
   4  * Copyright (C) 2002, 2003, 2004 ReactOS Team
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Library General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Library General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Library General Public
  17  * License along with this library; see the file COPYING.LIB.
  18  * If not, write to the Free Software Foundation,
  19  * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  20  *
  21  * $Id: videoprt.h,v 1.3 2004/03/06 22:25:22 dwelch Exp $
  22  */
  23
  24 #ifndef VIDEOPRT_H
  25 #define VIDEOPRT_H
  26
  27 #include <ddk/miniport.h>
  28 #include <ddk/video.h>
  29 #include <ddk/ntddvdeo.h>
  30 #include "internal/ps.h"
  31 /*#define NDEBUG*/
  32 #include <debug.h>
  33
  34 /*
  35  * FIXME: Definition missing from w32api!
  36  */
  37 #ifndef SYNCH_LEVEL
  38 #define SYNCH_LEVEL     (IPI_LEVEL - 2)
  39 #endif
  40 VOID FASTCALL KfLowerIrql(IN KIRQL NewIrql);
  41 #define KeRaiseIrql(a,b) *(b) = KfRaiseIrql(a)
  42 KIRQL FASTCALL KfRaiseIrql(IN KIRQL NewIrql);
  43 NTKERNELAPI VOID HalAcquireDisplayOwnership(IN PHAL_RESET_DISPLAY_PARAMETERS ResetDisplayParameters);
  44
  45 #define TAG_VIDEO_PORT  TAG('V', 'I', 'D', 'P')
  46
  47 extern PEPROCESS Csrss;
  48
  49 typedef struct _VIDEO_PORT_ADDRESS_MAPPING
  50 {
  51    LIST_ENTRY List;
  52    PVOID MappedAddress;
  53    ULONG NumberOfUchars;
  54    PHYSICAL_ADDRESS IoAddress;
  55    ULONG SystemIoBusNumber;
  56    UINT MappingCount;
  57 } VIDEO_PORT_ADDRESS_MAPPING, *PVIDEO_PORT_ADDRESS_MAPPING;
  58
  59 typedef struct _VIDEO_PORT_DEVICE_EXTENSTION
  60 {
  61    PDEVICE_OBJECT DeviceObject;
  62    PKINTERRUPT InterruptObject;
  63    KSPIN_LOCK InterruptSpinLock;
  64    ULONG InterruptVector;
  65    ULONG InterruptLevel;
  66    PVIDEO_HW_INITIALIZE HwInitialize;
  67    PVIDEO_HW_RESET_HW HwResetHw;
  68    PVIDEO_HW_TIMER HwTimer;
  69    PVIDEO_HW_INTERRUPT HwInterrupt;
  70    LIST_ENTRY AddressMappingListHead;
  71    INTERFACE_TYPE AdapterInterfaceType;
  72    ULONG SystemIoBusNumber;
  73    UNICODE_STRING RegistryPath;
  74    KDPC DpcObject;
  75    UCHAR MiniPortDeviceExtension[1]; /* must be the last entry */
  76 } VIDEO_PORT_DEVICE_EXTENSION, *PVIDEO_PORT_DEVICE_EXTENSION;
  77
  78 NTSTATUS STDCALL
  79 VidDispatchOpen(IN PDEVICE_OBJECT pDO, IN PIRP Irp);
  80
  81 NTSTATUS STDCALL
  82 VidDispatchClose(IN PDEVICE_OBJECT pDO, IN PIRP Irp);
  83
  84 NTSTATUS STDCALL
  85 VidDispatchDeviceControl(IN PDEVICE_OBJECT DeviceObject, IN PIRP Irp);
  86
  87 PVOID STDCALL
  88 InternalMapMemory(
  89    IN PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension,
  90    IN PHYSICAL_ADDRESS IoAddress,
  91    IN ULONG NumberOfUchars,
  92    IN UCHAR InIoSpace,
  93    OUT NTSTATUS *Status);
  94
  95 VOID STDCALL
  96 InternalUnmapMemory(
  97    IN PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension,
  98    IN PVOID MappedAddress);
  99
 100 VP_STATUS STDCALL
 101 IntInt10AllocateBuffer(
 102    IN PVOID Context,
 103    OUT PUSHORT Seg,
 104    OUT PUSHORT Off,
 105    IN OUT PULONG Length);
 106
 107 VP_STATUS STDCALL
 108 IntInt10FreeBuffer(
 109    IN PVOID Context,
 110    IN USHORT Seg,
 111    IN USHORT Off);
 112
 113 VP_STATUS STDCALL
 114 IntInt10ReadMemory(
 115    IN PVOID Context,
 116    IN USHORT Seg,
 117    IN USHORT Off,
 118    OUT PVOID Buffer,
 119    IN ULONG Length);
 120
 121 VP_STATUS STDCALL
 122 IntInt10WriteMemory(
 123    IN PVOID Context,
 124    IN USHORT Seg,
 125    IN USHORT Off,
 126    IN PVOID Buffer,
 127    IN ULONG Length);
 128
 129 VP_STATUS STDCALL
 130 IntInt10CallBios(
 131    IN PVOID Context,
 132    IN OUT PINT10_BIOS_ARGUMENTS BiosArguments);
 133
 134 #endif /* VIDEOPRT_H */