static unsigned ni_660x_clock_src_select(const struct ni_gpct *counter)
{
unsigned clock_source = 0;
unsigned i;
const unsigned input_select = (ni_tio_get_soft_copy(counter,
NITIO_Gi_Input_Select_Reg
(counter->counter_index))
& Gi_Source_Select_Mask) >>
Gi_Source_Select_Shift;
switch (input_select) {
case NI_660x_Timebase_1_Clock:
clock_source = NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS;
break;
case NI_660x_Timebase_2_Clock:
clock_source = NI_GPCT_TIMEBASE_2_CLOCK_SRC_BITS;
break;
case NI_660x_Timebase_3_Clock:
clock_source = NI_GPCT_TIMEBASE_3_CLOCK_SRC_BITS;
break;
case NI_660x_Logic_Low_Clock:
clock_source = NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS;
break;
case NI_660x_Source_Pin_i_Clock:
clock_source = NI_GPCT_SOURCE_PIN_i_CLOCK_SRC_BITS;
break;
case NI_660x_Next_Gate_Clock:
clock_source = NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS;
break;
case NI_660x_Next_TC_Clock:
clock_source = NI_GPCT_NEXT_TC_CLOCK_SRC_BITS;
break;
default:
for (i = 0; i <= ni_660x_max_rtsi_channel; ++i) {
if (input_select == NI_660x_RTSI_Clock(i)) {
clock_source = NI_GPCT_RTSI_CLOCK_SRC_BITS(i);
break;
}
}
if (i <= ni_660x_max_rtsi_channel)
break;
for (i = 0; i <= ni_660x_max_source_pin; ++i) {
if (input_select == NI_660x_Source_Pin_Clock(i)) {
clock_source =
NI_GPCT_SOURCE_PIN_CLOCK_SRC_BITS(i);
break;
}
}
if (i <= ni_660x_max_source_pin)
break;
BUG();
break;
}
clock_source |= ni_tio_clock_src_modifiers(counter);
return clock_source;
}
static unsigned ni_m_series_clock_src_select(const struct ni_gpct *counter)
{
struct ni_gpct_device *counter_dev = counter->counter_dev;
const unsigned second_gate_reg =
NITIO_Gi_Second_Gate_Reg(counter->counter_index);
unsigned clock_source = 0;
unsigned i;
const unsigned input_select = (ni_tio_get_soft_copy(counter,
NITIO_Gi_Input_Select_Reg(counter->
counter_index)) & Gi_Source_Select_Mask) >>
Gi_Source_Select_Shift;
switch (input_select) {
case NI_M_Series_Timebase_1_Clock:
clock_source = NI_GPCT_TIMEBASE_1_CLOCK_SRC_BITS;
break;
case NI_M_Series_Timebase_2_Clock:
clock_source = NI_GPCT_TIMEBASE_2_CLOCK_SRC_BITS;
break;
case NI_M_Series_Timebase_3_Clock:
if (counter_dev->
regs[second_gate_reg] & Gi_Source_Subselect_Bit)
clock_source =
NI_GPCT_ANALOG_TRIGGER_OUT_CLOCK_SRC_BITS;
else
clock_source = NI_GPCT_TIMEBASE_3_CLOCK_SRC_BITS;
break;
case NI_M_Series_Logic_Low_Clock:
clock_source = NI_GPCT_LOGIC_LOW_CLOCK_SRC_BITS;
break;
case NI_M_Series_Next_Gate_Clock:
if (counter_dev->
regs[second_gate_reg] & Gi_Source_Subselect_Bit)
clock_source = NI_GPCT_PXI_STAR_TRIGGER_CLOCK_SRC_BITS;
else
clock_source = NI_GPCT_NEXT_GATE_CLOCK_SRC_BITS;
break;
case NI_M_Series_PXI10_Clock:
clock_source = NI_GPCT_PXI10_CLOCK_SRC_BITS;
break;
case NI_M_Series_Next_TC_Clock:
clock_source = NI_GPCT_NEXT_TC_CLOCK_SRC_BITS;
break;
default:
for (i = 0; i <= ni_m_series_max_rtsi_channel; ++i) {
if (input_select == NI_M_Series_RTSI_Clock(i)) {
clock_source = NI_GPCT_RTSI_CLOCK_SRC_BITS(i);
break;
}
}
if (i <= ni_m_series_max_rtsi_channel)
break;
for (i = 0; i <= ni_m_series_max_pfi_channel; ++i) {
if (input_select == NI_M_Series_PFI_Clock(i)) {
clock_source = NI_GPCT_PFI_CLOCK_SRC_BITS(i);
break;
}
}
if (i <= ni_m_series_max_pfi_channel)
break;
BUG();
break;
}
clock_source |= ni_tio_clock_src_modifiers(counter);
return clock_source;
}