/* During buffered input counter operation for e-series, the gate
interrupt is acked automatically by the dma controller, due to the
Gi_Read/Write_Acknowledges_IRQ bits in the input select register. */
static int should_ack_gate(struct ni_gpct *counter)
{
unsigned long flags;
int retval = 0;
switch (counter->counter_dev->variant) {
case ni_gpct_variant_m_series:
/* not sure if 660x really supports gate
interrupts (the bits are not listed
in register-level manual) */
case ni_gpct_variant_660x:
return 1;
break;
case ni_gpct_variant_e_series:
spin_lock_irqsave(&counter->lock, flags);
{
if (counter->mite_chan == NULL ||
counter->mite_chan->dir != COMEDI_INPUT ||
(mite_done(counter->mite_chan))) {
retval = 1;
}
}
spin_unlock_irqrestore(&counter->lock, flags);
break;
}
return retval;
}
static int should_ack_gate(struct ni_gpct *counter)
{
unsigned long flags;
int retval = 0;
switch (counter->counter_dev->variant) {
case ni_gpct_variant_m_series:
case ni_gpct_variant_660x:
/*
* not sure if 660x really supports gate interrupts
* (the bits are not listed in register-level manual)
*/
return 1;
case ni_gpct_variant_e_series:
/*
* During buffered input counter operation for e-series,
* the gate interrupt is acked automatically by the dma
* controller, due to the Gi_Read/Write_Acknowledges_IRQ
* bits in the input select register.
*/
spin_lock_irqsave(&counter->lock, flags);
{
if (!counter->mite_chan ||
counter->mite_chan->dir != COMEDI_INPUT ||
(mite_done(counter->mite_chan))) {
retval = 1;
}
}
spin_unlock_irqrestore(&counter->lock, flags);
break;
}
return retval;
}
static int should_ack_gate(struct ni_gpct *counter)
{
unsigned long flags;
int retval = 0;
switch (counter->counter_dev->variant) {
case ni_gpct_variant_m_series:
/*
*/
case ni_gpct_variant_660x:
return 1;
break;
case ni_gpct_variant_e_series:
spin_lock_irqsave(&counter->lock, flags);
{
if (counter->mite_chan == NULL ||
counter->mite_chan->dir != COMEDI_INPUT ||
(mite_done(counter->mite_chan))) {
retval = 1;
}
}
spin_unlock_irqrestore(&counter->lock, flags);
break;
}
return retval;
}
