if (Descriptor->Type == CmResourceTypeMemory)
{
+ DeviceExtension->RegLength = Descriptor->u.Memory.Length;
DeviceExtension->RegBase = (PUCHAR)MmMapIoSpace(Descriptor->u.Memory.Start, Descriptor->u.Memory.Length, MmNonCached);
if (DeviceExtension->RegBase == NULL)
{
return Status;
}
+NTSTATUS
+NTAPI
+HDA_FDORemoveDevice(
+ _In_ PDEVICE_OBJECT DeviceObject,
+ _Inout_ PIRP Irp)
+{
+ NTSTATUS Status;
+ PHDA_FDO_DEVICE_EXTENSION DeviceExtension;
+ ULONG CodecIndex, AFGIndex;
+ PHDA_CODEC_ENTRY CodecEntry;
+
+ /* get device extension */
+ DeviceExtension = static_cast<PHDA_FDO_DEVICE_EXTENSION>(DeviceObject->DeviceExtension);
+ ASSERT(DeviceExtension->IsFDO == TRUE);
+
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ IoSkipCurrentIrpStackLocation(Irp);
+ Status = IoCallDriver(DeviceExtension->LowerDevice, Irp);
+
+ IoDetachDevice(DeviceExtension->LowerDevice);
+
+ if (DeviceExtension->RegBase != NULL)
+ {
+ MmUnmapIoSpace(DeviceExtension->RegBase,
+ DeviceExtension->RegLength);
+ }
+ if (DeviceExtension->Interrupt != NULL)
+ {
+ IoDisconnectInterrupt(DeviceExtension->Interrupt);
+ }
+ if (DeviceExtension->CorbBase != NULL)
+ {
+ MmFreeContiguousMemory(DeviceExtension->CorbBase);
+ }
+ for (CodecIndex = 0; CodecIndex < HDA_MAX_CODECS; CodecIndex++)
+ {
+ CodecEntry = DeviceExtension->Codecs[CodecIndex];
+ if (CodecEntry == NULL)
+ {
+ continue;
+ }
+
+ for (AFGIndex = 0; AFGIndex < CodecEntry->AudioGroupCount; AFGIndex++)
+ {
+ FreeItem(CodecEntry->AudioGroups[AFGIndex]);
+ }
+ FreeItem(CodecEntry);
+ }
+
+ IoDeleteDevice(DeviceObject);
+
+ return Status;
+}
+
NTSTATUS
NTAPI
HDA_FDOQueryBusRelations(
Irp->IoStatus.Status = Status;
IoCompleteRequest(Irp, IO_NO_INCREMENT);
return Status;
+ case IRP_MN_REMOVE_DEVICE:
+ return HDA_FDORemoveDevice(DeviceObject, Irp);
+ case IRP_MN_QUERY_REMOVE_DEVICE:
+ case IRP_MN_CANCEL_REMOVE_DEVICE:
+ Irp->IoStatus.Status = STATUS_SUCCESS;
+ break;
case IRP_MN_QUERY_DEVICE_RELATIONS:
/* handle bus device relations */
if (IoStack->Parameters.QueryDeviceRelations.Type == BusRelations)