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 static int __init driver_pcl725_init_module(void)
35 return comedi_driver_register(&driver_pcl725);
38 static void __exit driver_pcl725_cleanup_module(void)
40 comedi_driver_unregister(&driver_pcl725);
43 module_init(driver_pcl725_init_module);
44 module_exit(driver_pcl725_cleanup_module);
46 static int pcl725_do_insn(struct comedi_device *dev, struct comedi_subdevice *s,
47 struct comedi_insn *insn, unsigned int *data)
54 s->state |= (data[0] & data[1]);
55 outb(s->state, dev->iobase + PCL725_DO);
63 static int pcl725_di_insn(struct comedi_device *dev, struct comedi_subdevice *s,
64 struct comedi_insn *insn, unsigned int *data)
69 data[1] = inb(dev->iobase + PCL725_DI);
74 static int pcl725_attach(struct comedi_device *dev, struct comedi_devconfig *it)
76 struct comedi_subdevice *s;
79 iobase = it->options[0];
80 printk(KERN_INFO "comedi%d: pcl725: 0x%04lx ", dev->minor, iobase);
81 if (!request_region(iobase, PCL725_SIZE, "pcl725")) {
82 printk("I/O port conflict\n");
85 dev->board_name = "pcl725";
89 if (alloc_subdevices(dev, 2) < 0)
92 s = dev->subdevices + 0;
94 s->type = COMEDI_SUBD_DO;
95 s->subdev_flags = SDF_WRITABLE;
98 s->insn_bits = pcl725_do_insn;
99 s->range_table = &range_digital;
101 s = dev->subdevices + 1;
103 s->type = COMEDI_SUBD_DI;
104 s->subdev_flags = SDF_READABLE;
107 s->insn_bits = pcl725_di_insn;
108 s->range_table = &range_digital;
110 printk(KERN_INFO "\n");
115 static int pcl725_detach(struct comedi_device *dev)
117 printk(KERN_INFO "comedi%d: pcl725: remove\n", dev->minor);
120 release_region(dev->iobase, PCL725_SIZE);
125 MODULE_AUTHOR("Comedi http://www.comedi.org");
126 MODULE_DESCRIPTION("Comedi low-level driver");
127 MODULE_LICENSE("GPL");