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_do_insn(struct comedi_device *dev, struct comedi_subdevice *s,
24 struct comedi_insn *insn, unsigned int *data)
31 s->state |= (data[0] & data[1]);
32 outb(s->state, dev->iobase + PCL725_DO);
40 static int pcl725_di_insn(struct comedi_device *dev, struct comedi_subdevice *s,
41 struct comedi_insn *insn, unsigned int *data)
46 data[1] = inb(dev->iobase + PCL725_DI);
51 static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
53 struct comedi_subdevice *s;
56 iobase = it->options[0];
57 printk(KERN_INFO "comedi%d: pcl725: 0x%04lx ", dev->minor, iobase);
58 if (!request_region(iobase, PCL725_SIZE, "pcl725")) {
59 printk("I/O port conflict\n");
62 dev->board_name = "pcl725";
66 if (comedi_alloc_subdevices(dev, 2) < 0)
69 s = dev->subdevices + 0;
71 s->type = COMEDI_SUBD_DO;
72 s->subdev_flags = SDF_WRITABLE;
75 s->insn_bits = pcl725_do_insn;
76 s->range_table = &range_digital;
78 s = dev->subdevices + 1;
80 s->type = COMEDI_SUBD_DI;
81 s->subdev_flags = SDF_READABLE;
84 s->insn_bits = pcl725_di_insn;
85 s->range_table = &range_digital;
87 printk(KERN_INFO "\n");
92 static void pcl725_detach(struct comedi_device *dev)
95 release_region(dev->iobase, PCL725_SIZE);
98 static struct comedi_driver pcl725_driver = {
99 .driver_name = "pcl725",
100 .module = THIS_MODULE,
101 .attach = pcl725_attach,
102 .detach = pcl725_detach,
104 module_comedi_driver(pcl725_driver);
106 MODULE_AUTHOR("Comedi http://www.comedi.org");
107 MODULE_DESCRIPTION("Comedi low-level driver");
108 MODULE_LICENSE("GPL");