staging: comedi: s526: define the interrupt enable/status registers

These registers use the same bit defines. Define both of them and
the bits.

Signed-off-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/comedi/drivers/s526.c b/drivers/staging/comedi/drivers/s526.c
index 5f8a5d3..11a661b 100644 (file)
--- a/drivers/staging/comedi/drivers/s526.c
+++ b/drivers/staging/comedi/drivers/s526.c
@@ -68,8 +68,14 @@
 #define S526_AO_REG            0x08
 #define S526_AI_REG            0x08
 #define REG_DIO 0x0A
-#define REG_IER 0x0C
-#define REG_ISR 0x0E
+#define S526_INT_ENA_REG       0x0c
+#define S526_INT_STATUS_REG    0x0e
+#define S526_INT_DIO(x)                BIT(8 + ((x) & 0x7))
+#define S526_INT_EEPROM                BIT(7)  /* status only */
+#define S526_INT_CNTR(x)       BIT(3 + (3 - ((x) & 0x3)))
+#define S526_INT_AI            BIT(2)
+#define S526_INT_AO            BIT(1)
+#define S526_INT_TIMER         BIT(0)
 #define REG_MSC 0x10
 
 #define S526_GPCT_LSB_REG(x)   (0x12 + ((x) * 8))
@@ -372,7 +378,6 @@ static int s526_gpct_winsn(struct comedi_device *dev,
        return insn->n;
 }
 
-#define ISR_ADC_DONE 0x4
 static int s526_ai_insn_config(struct comedi_device *dev,
                               struct comedi_subdevice *s,
                               struct comedi_insn *insn, unsigned int *data)
@@ -393,7 +398,7 @@ static int s526_ai_insn_config(struct comedi_device *dev,
         * INSN_READ handler. */
 
        /*  Enable ADC interrupt */
-       outw(ISR_ADC_DONE, dev->iobase + REG_IER);
+       outw(S526_INT_AI, dev->iobase + S526_INT_ENA_REG);
        devpriv->ai_config = (data[0] & 0x3ff) << 5;
        if (data[1] > 0)
                devpriv->ai_config |= S526_AI_CTRL_DELAY;/* set the delay */
@@ -410,8 +415,8 @@ static int s526_ai_eoc(struct comedi_device *dev,
 {
        unsigned int status;
 
-       status = inw(dev->iobase + REG_ISR);
-       if (status & ISR_ADC_DONE)
+       status = inw(dev->iobase + S526_INT_STATUS_REG);
+       if (status & S526_INT_AI)
                return 0;
        return -EBUSY;
 }
@@ -444,7 +449,7 @@ static int s526_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
                if (ret)
                        return ret;
 
-               outw(ISR_ADC_DONE, dev->iobase + REG_ISR);
+               outw(S526_INT_AI, dev->iobase + S526_INT_STATUS_REG);
 
                d = inw(dev->iobase + S526_AI_REG);