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staging: comedi: amplc_pci263: define the register map

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For completeness, define the registers used by this driver and remove
the magic numbers.

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>
This commit is contained in:
H Hartley Sweeten 2016-03-30 11:45:19 -07:00 committed by Greg Kroah-Hartman
parent 1ee79c8ee8
commit 623211de9a
1 changed files with 8 additions and 3 deletions
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11
drivers/staging/comedi/drivers/amplc_pci263.c
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@ -36,14 +36,18 @@
#include "../comedi_pci.h" #include "../comedi_pci.h"
/* PCI263 registers */
#define PCI263_DO_0_7_REG 0x00
#define PCI263_DO_8_15_REG 0x01
static int pci263_do_insn_bits(struct comedi_device *dev, static int pci263_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s, struct comedi_subdevice *s,
struct comedi_insn *insn, struct comedi_insn *insn,
unsigned int *data) unsigned int *data)
{ {
if (comedi_dio_update_state(s, data)) { if (comedi_dio_update_state(s, data)) {
outb(s->state & 0xff, dev->iobase); outb(s->state & 0xff, dev->iobase + PCI263_DO_0_7_REG);
outb((s->state >> 8) & 0xff, dev->iobase + 1); outb((s->state >> 8) & 0xff, dev->iobase + PCI263_DO_8_15_REG);
} }
data[1] = s->state; data[1] = s->state;
@ -77,7 +81,8 @@ static int pci263_auto_attach(struct comedi_device *dev,
s->insn_bits = pci263_do_insn_bits; s->insn_bits = pci263_do_insn_bits;
/* read initial relay state */ /* read initial relay state */
s->state = inb(dev->iobase) | (inb(dev->iobase + 1) << 8); s->state = inb(dev->iobase + PCI263_DO_0_7_REG) |
(inb(dev->iobase + PCI263_DO_8_15_REG) << 8);
return 0; return 0;
} }