-/* Digital Input IRQ Function Selection */
-#define APCI1564_DI_INT_OR (0 << 1)
-#define APCI1564_DI_INT_AND (1 << 1)
-
-/* Digital Input Interrupt Enable Disable. */
-#define APCI1564_DI_INT_ENABLE 0x4
-#define APCI1564_DI_INT_DISABLE 0xfffffffb
-
static int apci1564_timer_insn_config(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
#define APCI1564_DI_INT_MODE2_REG 0x08
#define APCI1564_DI_INT_STATUS_REG 0x0c
#define APCI1564_DI_IRQ_REG 0x10
+#define APCI1564_DI_IRQ_ENA BIT(2)
+#define APCI1564_DI_IRQ_MODE BIT(1) /* 1=AND, 0=OR */
#define APCI1564_DO_REG 0x14
#define APCI1564_DO_INT_CTRL_REG 0x18
#define APCI1564_DO_INT_CTRL_CC_INT_ENA BIT(1)
unsigned int chan;
status = inl(dev->iobase + APCI1564_DI_IRQ_REG);
- if (status & APCI1564_DI_INT_ENABLE) {
+ if (status & APCI1564_DI_IRQ_ENA) {
/* disable the interrupt */
- outl(status & APCI1564_DI_INT_DISABLE,
+ outl(status & ~APCI1564_DI_IRQ_ENA,
dev->iobase + APCI1564_DI_IRQ_REG);
s->state = inl(dev->iobase + APCI1564_DI_INT_STATUS_REG) &
outl(0x0, dev->iobase + APCI1564_DI_INT_MODE2_REG);
break;
case COMEDI_DIGITAL_TRIG_ENABLE_EDGES:
- if (devpriv->ctrl != (APCI1564_DI_INT_ENABLE |
- APCI1564_DI_INT_OR)) {
+ if (devpriv->ctrl != APCI1564_DI_IRQ_ENA) {
/* switching to 'OR' mode */
- devpriv->ctrl = APCI1564_DI_INT_ENABLE |
- APCI1564_DI_INT_OR;
+ devpriv->ctrl = APCI1564_DI_IRQ_ENA;
/* wipe old channels */
devpriv->mode1 = 0;
devpriv->mode2 = 0;
devpriv->mode2 |= data[5] << shift;
break;
case COMEDI_DIGITAL_TRIG_ENABLE_LEVELS:
- if (devpriv->ctrl != (APCI1564_DI_INT_ENABLE |
- APCI1564_DI_INT_AND)) {
+ if (devpriv->ctrl != (APCI1564_DI_IRQ_ENA |
+ APCI1564_DI_IRQ_MODE)) {
/* switching to 'AND' mode */
- devpriv->ctrl = APCI1564_DI_INT_ENABLE |
- APCI1564_DI_INT_AND;
+ devpriv->ctrl = APCI1564_DI_IRQ_ENA |
+ APCI1564_DI_IRQ_MODE;
/* wipe old channels */
devpriv->mode1 = 0;
devpriv->mode2 = 0;