/*{{{ TransformerInitialize*/
static int TransformerInitialize(struct MMEContext_s *Context)
{
EVENT_LOG_InitTransformerParam_t EventLogInitParams = {0};
MME_TransformerInitParams_t MMEInitParams = {0};
MME_ERROR MMEStatus;
int Status;
Status = VerifyCapabilities(Context);
if (Status != 0)
return Status;
EventLogInitParams.StructSize = sizeof(EVENT_LOG_InitTransformerParam_t);
EventLogInitParams.TimeCodeMemoryAddress = Context->ClockAddress;
MMEInitParams.Priority = MME_PRIORITY_LOWEST;
MMEInitParams.StructSize = sizeof(MME_TransformerInitParams_t);
MMEInitParams.Callback = &TransformerCallback;
MMEInitParams.CallbackUserData = Context;
MMEInitParams.TransformerInitParamsSize = sizeof(EVENT_LOG_InitTransformerParam_t);
MMEInitParams.TransformerInitParams_p = (MME_GenericParams_t)(&EventLogInitParams);
MMEStatus = MME_InitTransformer(Context->TransformerName, &MMEInitParams, &Context->MMEHandle);
if (MMEStatus != MME_SUCCESS)
{
MONITOR_ERROR("%s: Failed to initialize transformer - Error 0x%08x.\n", Context->TransformerName, MMEStatus);
return -EFAULT;
}
Context->TransformerInitialized = true;
return 0;
}
Status Activate()
{
RETURN_STATUS_IF_ERR(MapRegisters(m_hpetRegisters));
RETURN_STATUS_IF_ERR(VerifyCapabilities(m_frequency, m_counterBits));
// start the counter (if not already running)
Write64(CONFIG, Read64(CONFIG)|1);
// note: to avoid interfering with any other users of the timer
// (e.g. Vista QPC), we don't reset the counter value to 0.
return INFO::OK;
}
