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Implement VideoPortVerifyAccessRanges

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svn path=/trunk/; revision=17001
This commit is contained in:
Hervé Poussineau
2005-08-03 14:46:12 +00:00
parent 0349ed11fb
commit 3f4fb2baec
1 changed files with 69 additions and 3 deletions
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reactos/drivers/video/videoprt/resource.c
+69 -3
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@@ -576,7 +576,7 @@ VideoPortGetAccessRanges(
}
/*
* @unimplemented
* @implemented
*/
VP_STATUS STDCALL
@@ -585,8 +585,74 @@ VideoPortVerifyAccessRanges(
IN ULONG NumAccessRanges,
IN PVIDEO_ACCESS_RANGE AccessRanges)
{
DPRINT1("VideoPortVerifyAccessRanges not implemented\n");
return NO_ERROR;
PVIDEO_PORT_DEVICE_EXTENSION DeviceExtension;
BOOLEAN ConflictDetected;
ULONG i;
PCM_PARTIAL_RESOURCE_DESCRIPTOR PartialDescriptor;
PCM_RESOURCE_LIST ResourceList;
ULONG ResourceListSize;
NTSTATUS Status;
DPRINT("VideoPortVerifyAccessRanges\n");
DeviceExtension = VIDEO_PORT_GET_DEVICE_EXTENSION(HwDeviceExtension);
/* Create the resource list */
ResourceListSize = sizeof(CM_RESOURCE_LIST)
+ (NumAccessRanges - 1) * sizeof(CM_PARTIAL_RESOURCE_DESCRIPTOR);
ResourceList = ExAllocatePool(PagedPool, ResourceListSize);
if (!ResourceList)
{
DPRINT("ExAllocatePool() failed\n");
return ERROR_INVALID_PARAMETER;
}
/* Fill resource list */
ResourceList->Count = 1;
ResourceList->List[0].InterfaceType = DeviceExtension->AdapterInterfaceType;
ResourceList->List[0].BusNumber = DeviceExtension->SystemIoBusNumber;
ResourceList->List[0].PartialResourceList.Version = 1;
ResourceList->List[0].PartialResourceList.Revision = 1;
ResourceList->List[0].PartialResourceList.Count = NumAccessRanges;
for (i = 0; i < NumAccessRanges; i++, AccessRanges++)
{
PartialDescriptor = &ResourceList->List[0].PartialResourceList.PartialDescriptors[i];
if (AccessRanges->RangeInIoSpace)
{
PartialDescriptor->Type = CmResourceTypePort;
PartialDescriptor->u.Port.Start = AccessRanges->RangeStart;
PartialDescriptor->u.Port.Length = AccessRanges->RangeLength;
}
else
{
PartialDescriptor->Type = CmResourceTypeMemory;
PartialDescriptor->u.Memory.Start = AccessRanges->RangeStart;
PartialDescriptor->u.Memory.Length = AccessRanges->RangeLength;
}
if (AccessRanges->RangeShareable)
PartialDescriptor->ShareDisposition = CmResourceShareShared;
else
PartialDescriptor->ShareDisposition = CmResourceShareDeviceExclusive;
PartialDescriptor->Flags = 0;
if (AccessRanges->RangePassive & VIDEO_RANGE_PASSIVE_DECODE)
PartialDescriptor->Flags |= CM_RESOURCE_PORT_PASSIVE_DECODE;
if (AccessRanges->RangePassive & VIDEO_RANGE_10_BIT_DECODE)
PartialDescriptor->Flags |= CM_RESOURCE_PORT_10_BIT_DECODE;
}
/* Try to acquire all resource ranges */
Status = IoReportResourceForDetection(
DeviceExtension->DriverObject,
NULL, 0, /* Driver List */
DeviceExtension->PhysicalDeviceObject,
ResourceList, ResourceListSize,
&ConflictDetected);
ExFreePool(ResourceList);
if (!NT_SUCCESS(Status) || ConflictDetected)
return ERROR_INVALID_PARAMETER;
else
return NO_ERROR;
}
/*