2 * comedi/drivers/pcl725.c
3 * Driver for PCL725 and clones
8 Description: Advantech PCL-725 (& compatibles)
11 Devices: [Advantech] PCL-725 (pcl725)
14 #include "../comedidev.h"
16 #include <linux/ioport.h>
23 static int pcl725_attach(struct comedi_device *dev,
24 struct comedi_devconfig *it);
25 static int pcl725_detach(struct comedi_device *dev);
26 static struct comedi_driver driver_pcl725 = {
27 .driver_name = "pcl725",
28 .module = THIS_MODULE,
29 .attach = pcl725_attach,
30 .detach = pcl725_detach,
33 COMEDI_INITCLEANUP(driver_pcl725);
35 static int pcl725_do_insn(struct comedi_device *dev, struct comedi_subdevice *s,
36 struct comedi_insn *insn, unsigned int *data)
43 s->state |= (data[0] & data[1]);
44 outb(s->state, dev->iobase + PCL725_DO);
52 static int pcl725_di_insn(struct comedi_device *dev, struct comedi_subdevice *s,
53 struct comedi_insn *insn, unsigned int *data)
58 data[1] = inb(dev->iobase + PCL725_DI);
63 static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
65 struct comedi_subdevice *s;
68 iobase = it->options[0];
69 printk(KERN_INFO "comedi%d: pcl725: 0x%04lx ", dev->minor, iobase);
70 if (!request_region(iobase, PCL725_SIZE, "pcl725")) {
71 printk("I/O port conflict\n");
74 dev->board_name = "pcl725";
78 if (alloc_subdevices(dev, 2) < 0)
81 s = dev->subdevices + 0;
83 s->type = COMEDI_SUBD_DO;
84 s->subdev_flags = SDF_WRITABLE;
87 s->insn_bits = pcl725_do_insn;
88 s->range_table = &range_digital;
90 s = dev->subdevices + 1;
92 s->type = COMEDI_SUBD_DI;
93 s->subdev_flags = SDF_READABLE;
96 s->insn_bits = pcl725_di_insn;
97 s->range_table = &range_digital;
99 printk(KERN_INFO "\n");
104 static int pcl725_detach(struct comedi_device *dev)
106 printk(KERN_INFO "comedi%d: pcl725: remove\n", dev->minor);
109 release_region(dev->iobase, PCL725_SIZE);