Exemple #1
0
static int ni_tio_cmd_setup(struct comedi_subdevice *s)
{
	struct comedi_cmd *cmd = &s->async->cmd;
	struct ni_gpct *counter = s->private;
	unsigned int cidx = counter->counter_index;
	int set_gate_source = 0;
	unsigned int gate_source;
	int retval = 0;

	if (cmd->scan_begin_src == TRIG_EXT) {
		set_gate_source = 1;
		gate_source = cmd->scan_begin_arg;
	} else if (cmd->convert_src == TRIG_EXT) {
		set_gate_source = 1;
		gate_source = cmd->convert_arg;
	}
	if (set_gate_source)
		retval = ni_tio_set_gate_src(counter, 0, gate_source);
	if (cmd->flags & CMDF_WAKE_EOS) {
		ni_tio_set_bits(counter, NITIO_INT_ENA_REG(cidx),
				GI_GATE_INTERRUPT_ENABLE(cidx),
				GI_GATE_INTERRUPT_ENABLE(cidx));
	}
	return retval;
}
Exemple #2
0
int ni_tio_cancel(struct ni_gpct *counter)
{
	unsigned int cidx = counter->counter_index;
	unsigned long flags;

	ni_tio_arm(counter, false, 0);
	spin_lock_irqsave(&counter->lock, flags);
	if (counter->mite_chan)
		mite_dma_disarm(counter->mite_chan);
	spin_unlock_irqrestore(&counter->lock, flags);
	ni_tio_configure_dma(counter, false, false);

	ni_tio_set_bits(counter, NITIO_INT_ENA_REG(cidx),
			GI_GATE_INTERRUPT_ENABLE(cidx), 0x0);
	return 0;
}
Exemple #3
0
int ni_tio_cancel(struct ni_gpct *counter)
{
	unsigned cidx = counter->counter_index;
	unsigned long flags;

	ni_tio_arm(counter, 0, 0);
	spin_lock_irqsave(&counter->lock, flags);
	if (counter->mite_chan)
		mite_dma_disarm(counter->mite_chan);
	spin_unlock_irqrestore(&counter->lock, flags);
	ni_tio_configure_dma(counter, 0, 0);

	ni_tio_set_bits(counter, NITIO_INT_ENA_REG(cidx),
			Gi_Gate_Interrupt_Enable_Bit(cidx), 0x0);
	return 0;
}
Exemple #4
0
static int ni_tio_cmd_setup(struct ni_gpct *counter, struct comedi_async *async)
{
	struct comedi_cmd *cmd = &async->cmd;
	unsigned cidx = counter->counter_index;
	int set_gate_source = 0;
	unsigned gate_source;
	int retval = 0;

	if (cmd->scan_begin_src == TRIG_EXT) {
		set_gate_source = 1;
		gate_source = cmd->scan_begin_arg;
	} else if (cmd->convert_src == TRIG_EXT) {
		set_gate_source = 1;
		gate_source = cmd->convert_arg;
	}
	if (set_gate_source)
		retval = ni_tio_set_gate_src(counter, 0, gate_source);
	if (cmd->flags & TRIG_WAKE_EOS) {
		ni_tio_set_bits(counter, NITIO_INT_ENA_REG(cidx),
				Gi_Gate_Interrupt_Enable_Bit(cidx),
				Gi_Gate_Interrupt_Enable_Bit(cidx));
	}
	return retval;
}