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[VIDEOPRT]

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- Support passing a resource requirements list to VideoPortGetAccessRanges

svn path=/trunk/; revision=54239
This commit is contained in:
Cameron Gutman 2011-10-23 03:55:35 +00:00
parent 69fdb2ac71
commit c64e8b00c0
1 changed files with 210 additions and 179 deletions
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61
reactos/drivers/video/videoprt/resource.c
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@ -576,6 +576,8 @@ VideoPortGetAccessRanges(
PVIDEO_ACCESS_RANGE LegacyAccessRanges;
ULONG LegacyAccessRangeCount;
PDRIVER_OBJECT DriverObject;
ULONG ListSize;
PIO_RESOURCE_REQUIREMENTS_LIST ResReqList;
BOOLEAN DeviceAndVendorFound = FALSE;
TRACE_(VIDEOPRT, "VideoPortGetAccessRanges\n");
@ -594,8 +596,7 @@ VideoPortGetAccessRanges(
{
PciSlotNumber.u.AsULONG = DeviceExtension->SystemIoSlotNumber;
ReturnedLength = HalGetBusData(
PCIConfiguration,
ReturnedLength = HalGetBusData(PCIConfiguration,
DeviceExtension->SystemIoBusNumber,
PciSlotNumber.u.AsULONG,
&Config,
@ -630,8 +631,7 @@ VideoPortGetAccessRanges(
{
INFO_(VIDEOPRT, "- Function number: %d\n", FunctionNumber);
PciSlotNumber.u.bits.FunctionNumber = FunctionNumber;
ReturnedLength = HalGetBusData(
PCIConfiguration,
ReturnedLength = HalGetBusData(PCIConfiguration,
DeviceExtension->SystemIoBusNumber,
PciSlotNumber.u.AsULONG,
&Config,
@ -664,8 +664,7 @@ VideoPortGetAccessRanges(
}
}
Status = HalAssignSlotResources(
&DeviceExtension->RegistryPath,
Status = HalAssignSlotResources(&DeviceExtension->RegistryPath,
NULL,
DeviceExtension->DriverObject,
DeviceExtension->DriverObject->DeviceObject,
@ -680,13 +679,50 @@ VideoPortGetAccessRanges(
return Status;
}
DeviceExtension->AllocatedResources = AllocatedResources;
/* Return the slot number if the caller wants it */
if (Slot != NULL) *Slot = PciSlotNumber.u.AsULONG;
}
}
else
{
ListSize = sizeof(IO_RESOURCE_REQUIREMENTS_LIST) + (NumRequestedResources - 1) * sizeof(IO_RESOURCE_DESCRIPTOR);
ResReqList = ExAllocatePool(NonPagedPool, ListSize);
if (!ResReqList) return ERROR_NOT_ENOUGH_MEMORY;
ResReqList->ListSize = ListSize;
ResReqList->InterfaceType = DeviceExtension->AdapterInterfaceType;
ResReqList->BusNumber = DeviceExtension->SystemIoBusNumber;
ResReqList->SlotNumber = DeviceExtension->SystemIoSlotNumber;
ResReqList->AlternativeLists = 1;
ResReqList->List[0].Version = 1;
ResReqList->List[0].Revision = 1;
ResReqList->List[0].Count = NumRequestedResources;
/* Copy in the caller's resource list */
RtlCopyMemory(ResReqList->List[0].Descriptors,
RequestedResources,
NumRequestedResources * sizeof(IO_RESOURCE_DESCRIPTOR));
Status = IoAssignResources(&DeviceExtension->RegistryPath,
NULL,
DeviceExtension->DriverObject,
DeviceExtension->PhysicalDeviceObject ?
DeviceExtension->PhysicalDeviceObject :
DeviceExtension->DriverObject->DeviceObject,
ResReqList,
&AllocatedResources);
if (!NT_SUCCESS(Status))
return Status;
if (!DeviceExtension->AllocatedResources)
DeviceExtension->AllocatedResources = AllocatedResources;
}
if (AllocatedResources == NULL)
return ERROR_NOT_ENOUGH_MEMORY;
/* Return the slot number if the caller wants it */
if (Slot != NULL) *Slot = DeviceExtension->SystemIoBusNumber;
Status = IntVideoPortGetLegacyResources(DriverExtension, DeviceExtension,
&LegacyAccessRanges, &LegacyAccessRangeCount);
if (!NT_SUCCESS(Status))
@ -758,11 +794,6 @@ VideoPortGetAccessRanges(
}
}
}
}
else
{
UNIMPLEMENTED
}
return NO_ERROR;
}