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Implement VideoPortSynchronizeExecution() and VideoPortScanRom()

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svn path=/trunk/; revision=4925
This commit is contained in:
Gé van Geldorp 2003-06-19 15:57:45 +00:00
parent 96d9fbe944
commit 17b476d572
1 changed files with 67 additions and 11 deletions
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78
reactos/drivers/dd/videoprt/videoprt.c
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@ -1,4 +1,4 @@
/* $Id: videoprt.c,v 1.4 2003/03/03 00:17:24 gvg Exp $
/* $Id: videoprt.c,v 1.5 2003/06/19 15:57:45 gvg Exp $
*
* VideoPort driver
* Written by Rex Jolliff
@ -391,9 +391,9 @@ VideoPortInitialize(IN PVOID Context1,
MPDriverObject->DeviceObject = MPDeviceObject;
/* Initialize the miniport drivers dispatch table */
MPDriverObject->MajorFunction[IRP_MJ_CREATE] = VidDispatchOpenClose;
MPDriverObject->MajorFunction[IRP_MJ_CLOSE] = VidDispatchOpenClose;
MPDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = VidDispatchDeviceControl;
MPDriverObject->MajorFunction[IRP_MJ_CREATE] = (PDRIVER_DISPATCH) VidDispatchOpenClose;
MPDriverObject->MajorFunction[IRP_MJ_CLOSE] = (PDRIVER_DISPATCH) VidDispatchOpenClose;
MPDriverObject->MajorFunction[IRP_MJ_DEVICE_CONTROL] = (PDRIVER_DISPATCH) VidDispatchDeviceControl;
/* Initialize our device extension */
DeviceExtension =
@ -729,8 +729,27 @@ VideoPortScanRom(IN PVOID HwDeviceExtension,
IN ULONG RomLength,
IN PUCHAR String)
{
DPRINT("VideoPortScanRom\n");
UNIMPLEMENTED;
ULONG StringLength;
BOOLEAN Found;
PUCHAR SearchLocation;
DPRINT("VideoPortScanRom RomBase %p RomLength 0x%x String %s\n", RomBase, RomLength, String);
StringLength = strlen(String);
Found = FALSE;
SearchLocation = RomBase;
for (SearchLocation = RomBase;
! Found && SearchLocation < RomBase + RomLength - StringLength;
SearchLocation++)
{
Found = (RtlCompareMemory(SearchLocation, String, StringLength) == StringLength);
if (Found)
{
DPRINT("Match found at %p\n", SearchLocation);
}
}
return Found;
}
ULONG
@ -820,8 +839,49 @@ VideoPortSynchronizeExecution(IN PVOID HwDeviceExtension,
IN PMINIPORT_SYNCHRONIZE_ROUTINE SynchronizeRoutine,
OUT PVOID Context)
{
BOOLEAN Ret;
PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
KIRQL OldIrql;
DPRINT("VideoPortSynchronizeExecution\n");
UNIMPLEMENTED;
switch(Priority)
{
case VpLowPriority:
Ret = (*SynchronizeRoutine)(Context);
break;
case VpMediumPriority:
DeviceExtension = CONTAINING_RECORD(HwDeviceExtension,
VIDEO_PORT_DEVICE_EXTENSION,
MiniPortDeviceExtension);
if (NULL == DeviceExtension->InterruptObject)
{
Ret = (*SynchronizeRoutine)(Context);
}
else
{
Ret = KeSynchronizeExecution(DeviceExtension->InterruptObject,
SynchronizeRoutine,
Context);
}
break;
case VpHighPriority:
OldIrql = KeGetCurrentIrql();
if (OldIrql < SYNCH_LEVEL)
{
OldIrql = KfRaiseIrql(SYNCH_LEVEL);
}
Ret = (*SynchronizeRoutine)(Context);
if (OldIrql < SYNCH_LEVEL)
{
KfLowerIrql(OldIrql);
}
break;
default:
Ret = FALSE;
}
return Ret;
}
VP_STATUS
@ -1197,12 +1257,8 @@ InternalUnmapMemory(IN PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension,
AddressMapping->MappingCount--;
if (0 == AddressMapping->MappingCount)
{
#ifdef TODO
MmUnmapIoSpace(AddressMapping->MappedAddress,
AddressMapping->NumberOfUchars);
#else
DPRINT("MmUnmapIoSpace(0x%08x, 0x%08x)\n", AddressMapping->MappedAddress, AddressMapping->NumberOfUchars);
#endif
RemoveEntryList(Entry);
ExFreePool(AddressMapping);