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/*
* comedi/drivers/pcm3730.c
* Driver for PCM3730 and clones
* Blaine Lee
* from pcl725 by David S.
*/
/*
Driver: pcm3730
Description: PCM3730
Author: Blaine Lee
Devices: [Advantech] PCM-3730 (pcm3730)
Status: unknown
Configuration options:
[0] - I/O port base
*/
#include "../comedidev.h"
#include <linux/ioport.h>
#define PCM3730_SIZE 4 /* consecutive io port addresses */
#define PCM3730_DOA 0 /* offsets for each port */
#define PCM3730_DOB 2
#define PCM3730_DOC 3
#define PCM3730_DIA 0
#define PCM3730_DIB 2
#define PCM3730_DIC 3
static int pcm3730_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
if (data[0]) {
s->state &= ~data[0];
s->state |= (data[0] & data[1]);
outb(s->state, dev->iobase + (unsigned long)(s->private));
}
data[1] = s->state;
return insn->n;
}
static int pcm3730_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
data[1] = inb(dev->iobase + (unsigned long)(s->private));
return insn->n;
}
static int pcm3730_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct comedi_subdevice *s;
int ret;
ret = comedi_request_region(dev, it->options[0], PCM3730_SIZE);
if (ret)
return ret;
ret = comedi_alloc_subdevices(dev, 6);
if (ret)
return ret;
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->maxdata = 1;
s->n_chan = 8;
s->insn_bits = pcm3730_do_insn_bits;
s->range_table = &range_digital;
s->private = (void *)PCM3730_DOA;
s = &dev->subdevices[1];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->maxdata = 1;
s->n_chan = 8;
s->insn_bits = pcm3730_do_insn_bits;
s->range_table = &range_digital;
s->private = (void *)PCM3730_DOB;
s = &dev->subdevices[2];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->maxdata = 1;
s->n_chan = 8;
s->insn_bits = pcm3730_do_insn_bits;
s->range_table = &range_digital;
s->private = (void *)PCM3730_DOC;
s = &dev->subdevices[3];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->maxdata = 1;
s->n_chan = 8;
s->insn_bits = pcm3730_di_insn_bits;
s->range_table = &range_digital;
s->private = (void *)PCM3730_DIA;
s = &dev->subdevices[4];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->maxdata = 1;
s->n_chan = 8;
s->insn_bits = pcm3730_di_insn_bits;
s->range_table = &range_digital;
s->private = (void *)PCM3730_DIB;
s = &dev->subdevices[5];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->maxdata = 1;
s->n_chan = 8;
s->insn_bits = pcm3730_di_insn_bits;
s->range_table = &range_digital;
s->private = (void *)PCM3730_DIC;
printk(KERN_INFO "\n");
return 0;
}
static struct comedi_driver pcm3730_driver = {
.driver_name = "pcm3730",
.module = THIS_MODULE,
.attach = pcm3730_attach,
.detach = comedi_legacy_detach,
};
module_comedi_driver(pcm3730_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
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