2 * comedi/drivers/pcm3730.c
3 * Driver for PCM3730 and clones
5 * from pcl725 by David S.
11 Devices: [Advantech] PCM-3730 (pcm3730)
14 Configuration options:
18 #include "../comedidev.h"
20 #include <linux/ioport.h>
22 #define PCM3730_SIZE 4 /* consecutive io port addresses */
24 #define PCM3730_DOA 0 /* offsets for each port */
31 static int pcm3730_do_insn_bits(struct comedi_device *dev,
32 struct comedi_subdevice *s,
33 struct comedi_insn *insn, unsigned int *data)
37 s->state |= (data[0] & data[1]);
38 outb(s->state, dev->iobase + (unsigned long)(s->private));
45 static int pcm3730_di_insn_bits(struct comedi_device *dev,
46 struct comedi_subdevice *s,
47 struct comedi_insn *insn, unsigned int *data)
49 data[1] = inb(dev->iobase + (unsigned long)(s->private));
53 static int pcm3730_attach(struct comedi_device *dev,
54 struct comedi_devconfig *it)
56 struct comedi_subdevice *s;
60 iobase = it->options[0];
61 printk(KERN_INFO "comedi%d: pcm3730: 0x%04lx ", dev->minor, iobase);
62 if (!request_region(iobase, PCM3730_SIZE, "pcm3730")) {
63 printk("I/O port conflict\n");
67 dev->board_name = "pcm3730";
68 dev->iobase = dev->iobase;
71 ret = comedi_alloc_subdevices(dev, 6);
75 s = dev->subdevices + 0;
76 s->type = COMEDI_SUBD_DO;
77 s->subdev_flags = SDF_WRITABLE;
80 s->insn_bits = pcm3730_do_insn_bits;
81 s->range_table = &range_digital;
82 s->private = (void *)PCM3730_DOA;
84 s = dev->subdevices + 1;
85 s->type = COMEDI_SUBD_DO;
86 s->subdev_flags = SDF_WRITABLE;
89 s->insn_bits = pcm3730_do_insn_bits;
90 s->range_table = &range_digital;
91 s->private = (void *)PCM3730_DOB;
93 s = dev->subdevices + 2;
94 s->type = COMEDI_SUBD_DO;
95 s->subdev_flags = SDF_WRITABLE;
98 s->insn_bits = pcm3730_do_insn_bits;
99 s->range_table = &range_digital;
100 s->private = (void *)PCM3730_DOC;
102 s = dev->subdevices + 3;
103 s->type = COMEDI_SUBD_DI;
104 s->subdev_flags = SDF_READABLE;
107 s->insn_bits = pcm3730_di_insn_bits;
108 s->range_table = &range_digital;
109 s->private = (void *)PCM3730_DIA;
111 s = dev->subdevices + 4;
112 s->type = COMEDI_SUBD_DI;
113 s->subdev_flags = SDF_READABLE;
116 s->insn_bits = pcm3730_di_insn_bits;
117 s->range_table = &range_digital;
118 s->private = (void *)PCM3730_DIB;
120 s = dev->subdevices + 5;
121 s->type = COMEDI_SUBD_DI;
122 s->subdev_flags = SDF_READABLE;
125 s->insn_bits = pcm3730_di_insn_bits;
126 s->range_table = &range_digital;
127 s->private = (void *)PCM3730_DIC;
129 printk(KERN_INFO "\n");
134 static void pcm3730_detach(struct comedi_device *dev)
137 release_region(dev->iobase, PCM3730_SIZE);
140 static struct comedi_driver pcm3730_driver = {
141 .driver_name = "pcm3730",
142 .module = THIS_MODULE,
143 .attach = pcm3730_attach,
144 .detach = pcm3730_detach,
146 module_comedi_driver(pcm3730_driver);
148 MODULE_AUTHOR("Comedi http://www.comedi.org");
149 MODULE_DESCRIPTION("Comedi low-level driver");
150 MODULE_LICENSE("GPL");