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https://github.com/reactos/reactos.git
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- Fix broken VideoPortSignalDmaComplete definition
- Cleanup and reformat dma.c and add missing functions (not yet exported) svn path=/trunk/; revision=35009
This commit is contained in:
Stefan Ginsberg
parent
6a23266635
commit
0ebeef15a1
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@ -1,143 +1,274 @@
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/*
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* VideoPort driver
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*
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* Copyright (C) 2002, 2003, 2004 ReactOS Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; see the file COPYING.LIB.
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* If not, write to the Free Software Foundation,
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* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
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*
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* PROJECT: ReactOS Videoport
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* LICENSE: GPL - See COPYING in the top level directory
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* FILE: drivers/video/videoprt/dma.c
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* PURPOSE: Videoport Direct Memory Access Support
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* PROGRAMMERS: ...
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*/
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#include "videoprt.h"
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/* INCLUDES ******************************************************************/
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#include <videoprt.h>
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#define NDEBUG
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#include <debug.h>
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/* PUBLIC FUNCTIONS ***********************************************************/
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/*
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* @implemented
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*/
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PVOID NTAPI
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VideoPortAllocateCommonBuffer(
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IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter,
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IN ULONG DesiredLength,
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OUT PPHYSICAL_ADDRESS LogicalAddress,
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IN BOOLEAN CacheEnabled,
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PVOID Reserved)
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PVOID
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NTAPI
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VideoPortAllocateCommonBuffer(IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter,
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IN ULONG DesiredLength,
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OUT PPHYSICAL_ADDRESS LogicalAddress,
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IN BOOLEAN CacheEnabled,
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PVOID Reserved)
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{
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return HalAllocateCommonBuffer(
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(PADAPTER_OBJECT)VpDmaAdapter,
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DesiredLength,
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LogicalAddress,
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CacheEnabled);
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/* Forward to HAL */
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return HalAllocateCommonBuffer((PADAPTER_OBJECT)VpDmaAdapter,
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DesiredLength,
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LogicalAddress,
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CacheEnabled);
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}
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/*
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* @implemented
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*/
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VOID NTAPI
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VideoPortReleaseCommonBuffer(
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IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter,
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IN ULONG Length,
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IN PHYSICAL_ADDRESS LogicalAddress,
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IN PVOID VirtualAddress,
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IN BOOLEAN CacheEnabled)
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VOID
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NTAPI
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VideoPortReleaseCommonBuffer(IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter,
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IN ULONG Length,
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IN PHYSICAL_ADDRESS LogicalAddress,
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IN PVOID VirtualAddress,
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IN BOOLEAN CacheEnabled)
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{
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HalFreeCommonBuffer(
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(PADAPTER_OBJECT)VpDmaAdapter,
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Length,
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LogicalAddress,
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VirtualAddress,
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CacheEnabled);
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/* Forward to HAL */
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HalFreeCommonBuffer((PADAPTER_OBJECT)VpDmaAdapter,
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Length,
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LogicalAddress,
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VirtualAddress,
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CacheEnabled);
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}
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/*
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* @unimplemented
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*/
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VOID NTAPI
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VideoPortPutDmaAdapter(
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IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter)
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VOID
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NTAPI
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VideoPortPutDmaAdapter(IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter)
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{
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UNIMPLEMENTED;
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}
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/*
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* @unimplemented
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* @implemented
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*/
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PVP_DMA_ADAPTER NTAPI
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VideoPortGetDmaAdapter(
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IN PVOID HwDeviceExtension,
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IN PVP_DEVICE_DESCRIPTION VpDeviceExtension)
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PVP_DMA_ADAPTER
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NTAPI
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VideoPortGetDmaAdapter(IN PVOID HwDeviceExtension,
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IN PVP_DEVICE_DESCRIPTION VpDeviceExtension)
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{
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DEVICE_DESCRIPTION DeviceDescription;
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PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
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ULONG NumberOfMapRegisters;
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PVP_DMA_ADAPTER Adapter;
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DEVICE_DESCRIPTION DeviceDescription;
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PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
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ULONG NumberOfMapRegisters;
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DeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
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/* Zero the structure */
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RtlZeroMemory(&DeviceDescription,
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sizeof(DEVICE_DESCRIPTION));
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TRACE_(VIDEOPRT, "VideoPortGetDmaAdapter\n");
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/* Initialize the structure */
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DeviceDescription.Version = DEVICE_DESCRIPTION_VERSION;
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DeviceDescription.Master = TRUE /* ?? */;
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DeviceDescription.DmaWidth = Width8Bits;
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DeviceDescription.DmaSpeed = Compatible;
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DeviceDescription.Version = DEVICE_DESCRIPTION_VERSION;
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DeviceDescription.Master = TRUE /* ?? */;
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DeviceDescription.ScatterGather = VpDeviceExtension->ScatterGather;
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DeviceDescription.DemandMode = FALSE /* ?? */;
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DeviceDescription.AutoInitialize = FALSE /* ?? */;
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DeviceDescription.Dma32BitAddresses = VpDeviceExtension->Dma32BitAddresses;
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DeviceDescription.IgnoreCount = FALSE /* ?? */;
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DeviceDescription.Reserved1 = FALSE;
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DeviceDescription.BusNumber = DeviceExtension->SystemIoBusNumber;
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DeviceDescription.DmaChannel = 0 /* ?? */;
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DeviceDescription.InterfaceType = DeviceExtension->AdapterInterfaceType;
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DeviceDescription.DmaWidth = Width8Bits;
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DeviceDescription.DmaSpeed = Compatible;
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DeviceDescription.MaximumLength = VpDeviceExtension->MaximumLength;
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DeviceDescription.DmaPort = 0;
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/* Copy data from caller's device extension */
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DeviceDescription.ScatterGather = VpDeviceExtension->ScatterGather;
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DeviceDescription.Dma32BitAddresses = VpDeviceExtension->Dma32BitAddresses;
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DeviceDescription.Dma64BitAddresses = VpDeviceExtension->Dma64BitAddresses;
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DeviceDescription.MaximumLength = VpDeviceExtension->MaximumLength;
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Adapter =
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(PVP_DMA_ADAPTER)HalGetAdapter(&DeviceDescription, &NumberOfMapRegisters);
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INFO_(VIDEOPRT, "Adapter %p\n", Adapter);
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return(Adapter);
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/* Copy data from the internal device extension */
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DeviceDescription.BusNumber = DeviceExtension->SystemIoBusNumber;
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DeviceDescription.InterfaceType = DeviceExtension->AdapterInterfaceType;
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return (PVP_DMA_ADAPTER)HalGetAdapter(&DeviceDescription,
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&NumberOfMapRegisters);
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}
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/*
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* @implemented
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*/
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VOID NTAPI
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VideoPortFreeCommonBuffer( IN PVOID HwDeviceExtension,
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IN ULONG Length,
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IN PVOID VirtualAddress,
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IN PHYSICAL_ADDRESS LogicalAddress,
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IN BOOLEAN CacheEnabled)
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VOID
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NTAPI
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VideoPortFreeCommonBuffer(IN PVOID HwDeviceExtension,
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IN ULONG Length,
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IN PVOID VirtualAddress,
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IN PHYSICAL_ADDRESS LogicalAddress,
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IN BOOLEAN CacheEnabled)
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{
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DEVICE_DESCRIPTION DeviceDescription;
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PVP_DMA_ADAPTER VpDmaAdapter;
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DEVICE_DESCRIPTION DeviceDescription;
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PVP_DMA_ADAPTER VpDmaAdapter;
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VpDmaAdapter = VideoPortGetDmaAdapter(
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HwDeviceExtension,
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(PVP_DEVICE_DESCRIPTION)&DeviceDescription);
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HalFreeCommonBuffer(
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(PADAPTER_OBJECT)VpDmaAdapter,
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Length,
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LogicalAddress,
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VirtualAddress,
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CacheEnabled);
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/* FIXME: Broken code*/
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VpDmaAdapter = VideoPortGetDmaAdapter(HwDeviceExtension,
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(PVP_DEVICE_DESCRIPTION)&DeviceDescription);
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HalFreeCommonBuffer((PADAPTER_OBJECT)VpDmaAdapter,
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Length,
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LogicalAddress,
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VirtualAddress,
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CacheEnabled);
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}
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/*
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* @unimplemented
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*/
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PVOID
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NTAPI
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VideoPortGetCommonBuffer(IN PVOID HwDeviceExtension,
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IN ULONG DesiredLength,
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IN ULONG Alignment,
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OUT PPHYSICAL_ADDRESS LogicalAddress,
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OUT PULONG pActualLength,
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IN BOOLEAN CacheEnabled)
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{
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UNIMPLEMENTED;
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return NULL;
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}
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/*
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* @implemented
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*/
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BOOLEAN
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NTAPI
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VideoPortUnmapDmaMemory(
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PVOID HwDeviceExtension,
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PVOID VirtualAddress,
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HANDLE ProcessHandle,
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PDMA BoardMemoryHandle)
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{
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/* Deprecated */
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return FALSE;
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}
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/*
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* @implemented
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*/
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PDMA
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NTAPI
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VideoPortMapDmaMemory(IN PVOID HwDeviceExtension,
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IN PVIDEO_REQUEST_PACKET pVrp,
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IN PHYSICAL_ADDRESS BoardAddress,
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IN PULONG Length,
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IN PULONG InIoSpace,
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IN PVOID MappedUserEvent,
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IN PVOID DisplayDriverEvent,
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IN OUT PVOID *VirtualAddress)
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{
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/* Deprecated */
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return NULL;
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}
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/*
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* @implemented
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*/
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VOID
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NTAPI
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VideoPortSetDmaContext(IN PVOID HwDeviceExtension,
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OUT PDMA pDma,
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IN PVOID InstanceContext)
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{
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/* Deprecated */
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return;
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}
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/*
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* @implemented
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*/
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BOOLEAN
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NTAPI
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VideoPortSignalDmaComplete(IN PVOID HwDeviceExtension,
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IN PDMA pDmaHandle)
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{
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/* Deprecated */
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return FALSE;
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}
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/*
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* @unimplemented
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*/
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VP_STATUS
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NTAPI
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VideoPortStartDma(IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter,
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IN PVOID Mdl,
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IN ULONG Offset,
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IN OUT PULONG pLength,
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IN PEXECUTE_DMA ExecuteDmaRoutine,
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IN PVOID Context,
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IN BOOLEAN WriteToDevice)
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{
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UNIMPLEMENTED;
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/* Lie and return success */
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return NO_ERROR;
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}
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/*
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* @implemented
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*/
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PVOID
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NTAPI
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VideoPortGetDmaContext(IN PVOID HwDeviceExtension,
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IN PDMA pDma)
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{
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/* Deprecated */
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return NULL;
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}
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/*
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* @implemented
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*/
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PDMA
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NTAPI
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VideoPortDoDma(IN PVOID HwDeviceExtension,
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IN PDMA pDma,
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IN DMA_FLAGS DmaFlags)
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{
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/* Deprecated */
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return NULL;
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}
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/*
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* @unimplemented
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*/
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PDMA
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NTAPI
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VideoPortAssociateEventsWithDmaHandle(IN PVOID HwDeviceExtension,
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IN OUT PVIDEO_REQUEST_PACKET pVrp,
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IN PVOID MappedUserEvent,
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IN PVOID DisplayDriverEvent)
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{
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UNIMPLEMENTED;
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return NULL;
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}
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/*
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* @unimplemented
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*/
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VP_STATUS
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NTAPI
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VideoPortCompleteDma(IN PVOID HwDeviceExtension,
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IN PVP_DMA_ADAPTER VpDmaAdapter,
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IN PVP_SCATTER_GATHER_LIST VpScatterGather,
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IN BOOLEAN WriteToDevice)
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{
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UNIMPLEMENTED;
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/* Lie and return success */
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return NO_ERROR;
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}
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@ -1348,7 +1348,7 @@ BOOLEAN
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DDKAPI
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VideoPortSignalDmaComplete(
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IN PVOID HwDeviceExtension,
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IN PVOID pDmaHandle);
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IN PDMA pDmaHandle);
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VPAPI
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VOID
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