CHALPowerSyscall::CHALPowerSyscall()
{
m_CanPowerdown = true;
m_CanSuspend = QueryCapability("power_management.can_suspend");
m_CanHibernate = QueryCapability("power_management.can_hibernate");
m_CanReboot = true;
}
int OvrvisionVideo4Linux::OpenDevice(int num, int width, int height, int frame_rate)
{
if (SearchDevice(OVRVISIONPRO) != 0)
return -1;
_width = width;
_height = height;
#ifdef _DEBUG
QueryCapability();
#endif
return Init();
}
NTSTATUS
SwdmDispatchPnP(
IN PDEVICE_OBJECT DeviceObject,
IN PIRP Irp
)
{
IO_STACK_LOCATION* pStk;
DEVICE_EXTENSION* pCtx;
ULONG MinorCode;
NTSTATUS Status = STATUS_SUCCESS;
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MJ_PNP Received : Begin\n" );
pStk = IoGetCurrentIrpStackLocation(Irp);
pCtx = (DEVICE_EXTENSION*)DeviceObject->DeviceExtension;
IoAcquireRemoveLock( &pCtx->RemoveLock, Irp);
MinorCode = pStk->MinorFunction;
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "Minor code: 0x%x\n", MinorCode );
switch( MinorCode )
{
case IRP_MN_START_DEVICE:
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_START_DEVICE Received : Begin\r\n");
Status = StartDevice( DeviceObject, Irp );
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_START_DEVICE Received : End\r\n");
break;
case IRP_MN_STOP_DEVICE:
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_STOP_DEVICE Received : Begin\r\n");
Status = StopDevice( DeviceObject, Irp );
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_STOP_DEVICE Received : End\r\n");
break;
case IRP_MN_REMOVE_DEVICE:
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_REMOVE_DEVICE Received : Begin\r\n");
Status = RemoveDevice( DeviceObject, Irp );
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_REMOVE_DEVICE Received : End\r\n");
break;
case IRP_MN_QUERY_CAPABILITIES :
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_QUERY_CAPABILITIES Received : Begin\r\n");
Status = QueryCapability(
DeviceObject,
Irp
);
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_QUERY_CAPABILITIES Received : End\r\n");
break;
case IRP_MN_QUERY_BUS_INFORMATION:
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MN_QUERY_BUS_INFORMATION Received : Begin\n");
Status = QueryBus( DeviceObject, Irp );
break;
default:
break;
}
IoReleaseRemoveLock( &pCtx->RemoveLock, Irp);
if (NT_SUCCESS(Status))
{
CompleteRequest(
Irp,
STATUS_SUCCESS,
0);
}
DbgPrintEx( DPFLTR_IHVDRIVER_ID, DPFLTR_INFO_LEVEL, "IRP_MJ_PNP Received : End\r\n");
return Status;
}
