mirror of
https://github.com/reactos/reactos.git
synced 2024-09-15 15:19:37 +00:00
144 lines
3.9 KiB
C
144 lines
3.9 KiB
C
/*
|
|
* VideoPort driver
|
|
*
|
|
* Copyright (C) 2002, 2003, 2004 ReactOS Team
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Library General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Library General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Library General Public
|
|
* License along with this library; see the file COPYING.LIB.
|
|
* If not, write to the Free Software Foundation,
|
|
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
*
|
|
*/
|
|
|
|
#include "videoprt.h"
|
|
|
|
/* PUBLIC FUNCTIONS ***********************************************************/
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
|
|
PVOID NTAPI
|
|
VideoPortAllocateCommonBuffer(
|
|
IN PVOID HwDeviceExtension,
|
|
IN PVP_DMA_ADAPTER VpDmaAdapter,
|
|
IN ULONG DesiredLength,
|
|
OUT PPHYSICAL_ADDRESS LogicalAddress,
|
|
IN BOOLEAN CacheEnabled,
|
|
PVOID Reserved)
|
|
{
|
|
return HalAllocateCommonBuffer(
|
|
(PADAPTER_OBJECT)VpDmaAdapter,
|
|
DesiredLength,
|
|
LogicalAddress,
|
|
CacheEnabled);
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
|
|
VOID NTAPI
|
|
VideoPortReleaseCommonBuffer(
|
|
IN PVOID HwDeviceExtension,
|
|
IN PVP_DMA_ADAPTER VpDmaAdapter,
|
|
IN ULONG Length,
|
|
IN PHYSICAL_ADDRESS LogicalAddress,
|
|
IN PVOID VirtualAddress,
|
|
IN BOOLEAN CacheEnabled)
|
|
{
|
|
HalFreeCommonBuffer(
|
|
(PADAPTER_OBJECT)VpDmaAdapter,
|
|
Length,
|
|
LogicalAddress,
|
|
VirtualAddress,
|
|
CacheEnabled);
|
|
}
|
|
|
|
/*
|
|
* @unimplemented
|
|
*/
|
|
|
|
VOID NTAPI
|
|
VideoPortPutDmaAdapter(
|
|
IN PVOID HwDeviceExtension,
|
|
IN PVP_DMA_ADAPTER VpDmaAdapter)
|
|
{
|
|
UNIMPLEMENTED;
|
|
}
|
|
|
|
/*
|
|
* @unimplemented
|
|
*/
|
|
|
|
PVP_DMA_ADAPTER NTAPI
|
|
VideoPortGetDmaAdapter(
|
|
IN PVOID HwDeviceExtension,
|
|
IN PVP_DEVICE_DESCRIPTION VpDeviceExtension)
|
|
{
|
|
DEVICE_DESCRIPTION DeviceDescription;
|
|
PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
|
|
ULONG NumberOfMapRegisters;
|
|
PVP_DMA_ADAPTER Adapter;
|
|
|
|
DeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
|
|
|
|
TRACE_(VIDEOPRT, "VideoPortGetDmaAdapter\n");
|
|
|
|
DeviceDescription.Version = DEVICE_DESCRIPTION_VERSION;
|
|
DeviceDescription.Master = TRUE /* ?? */;
|
|
DeviceDescription.ScatterGather = VpDeviceExtension->ScatterGather;
|
|
DeviceDescription.DemandMode = FALSE /* ?? */;
|
|
DeviceDescription.AutoInitialize = FALSE /* ?? */;
|
|
DeviceDescription.Dma32BitAddresses = VpDeviceExtension->Dma32BitAddresses;
|
|
DeviceDescription.IgnoreCount = FALSE /* ?? */;
|
|
DeviceDescription.Reserved1 = FALSE;
|
|
DeviceDescription.BusNumber = DeviceExtension->SystemIoBusNumber;
|
|
DeviceDescription.DmaChannel = 0 /* ?? */;
|
|
DeviceDescription.InterfaceType = DeviceExtension->AdapterInterfaceType;
|
|
DeviceDescription.DmaWidth = Width8Bits;
|
|
DeviceDescription.DmaSpeed = Compatible;
|
|
DeviceDescription.MaximumLength = VpDeviceExtension->MaximumLength;
|
|
DeviceDescription.DmaPort = 0;
|
|
|
|
Adapter =
|
|
(PVP_DMA_ADAPTER)HalGetAdapter(&DeviceDescription, &NumberOfMapRegisters);
|
|
INFO_(VIDEOPRT, "Adapter %p\n", Adapter);
|
|
return(Adapter);
|
|
}
|
|
|
|
/*
|
|
* @implemented
|
|
*/
|
|
VOID NTAPI
|
|
VideoPortFreeCommonBuffer( IN PVOID HwDeviceExtension,
|
|
IN ULONG Length,
|
|
IN PVOID VirtualAddress,
|
|
IN PHYSICAL_ADDRESS LogicalAddress,
|
|
IN BOOLEAN CacheEnabled)
|
|
{
|
|
DEVICE_DESCRIPTION DeviceDescription;
|
|
PVP_DMA_ADAPTER VpDmaAdapter;
|
|
|
|
VpDmaAdapter = VideoPortGetDmaAdapter(
|
|
HwDeviceExtension,
|
|
(PVP_DEVICE_DESCRIPTION)&DeviceDescription);
|
|
|
|
HalFreeCommonBuffer(
|
|
(PADAPTER_OBJECT)VpDmaAdapter,
|
|
Length,
|
|
LogicalAddress,
|
|
VirtualAddress,
|
|
CacheEnabled);
|
|
}
|