2 * comedi/drivers/pcl730.c
3 * Driver for Advantech PCL-730 and clones
8 Description: Advantech PCL-730 (& compatibles)
9 Author: José Luis Sánchez (jsanchezv@teleline.es)
11 Devices: [Advantech] PCL-730 (pcl730), [ICP] ISO-730 (iso730),
12 [Adlink] ACL-7130 (acl7130)
14 Interrupts are not supported.
15 The ACL-7130 card have an 8254 timer/counter not supported by this driver.
18 #include "../comedidev.h"
20 #include <linux/ioport.h>
23 #define ACL7130_SIZE 8
24 #define PCL730_IDIO_LO 0 /* Isolated Digital I/O low byte (ID0-ID7) */
25 #define PCL730_IDIO_HI 1 /* Isolated Digital I/O high byte (ID8-ID15) */
26 #define PCL730_DIO_LO 2 /* TTL Digital I/O low byte (D0-D7) */
27 #define PCL730_DIO_HI 3 /* TTL Digital I/O high byte (D8-D15) */
31 const char *name; /* board name */
32 unsigned int io_range; /* len of I/O space */
35 static int pcl730_do_insn(struct comedi_device *dev, struct comedi_subdevice *s,
36 struct comedi_insn *insn, unsigned int *data)
40 s->state |= (data[0] & data[1]);
44 dev->iobase + ((unsigned long)s->private));
47 dev->iobase + ((unsigned long)s->private) + 1);
54 static int pcl730_di_insn(struct comedi_device *dev, struct comedi_subdevice *s,
55 struct comedi_insn *insn, unsigned int *data)
57 data[1] = inb(dev->iobase + ((unsigned long)s->private)) |
58 (inb(dev->iobase + ((unsigned long)s->private) + 1) << 8);
63 static int pcl730_attach(struct comedi_device *dev, struct comedi_devconfig *it)
65 const struct pcl730_board *board = comedi_board(dev);
66 struct comedi_subdevice *s;
71 iobase = it->options[0];
72 iorange = board->io_range;
73 printk(KERN_INFO "comedi%d: pcl730: board=%s 0x%04lx ", dev->minor,
75 if (!request_region(iobase, iorange, "pcl730")) {
76 printk("I/O port conflict\n");
79 dev->board_name = board->name;
83 ret = comedi_alloc_subdevices(dev, 4);
87 s = dev->subdevices + 0;
89 s->type = COMEDI_SUBD_DO;
90 s->subdev_flags = SDF_WRITABLE;
93 s->insn_bits = pcl730_do_insn;
94 s->range_table = &range_digital;
95 s->private = (void *)PCL730_IDIO_LO;
97 s = dev->subdevices + 1;
99 s->type = COMEDI_SUBD_DI;
100 s->subdev_flags = SDF_READABLE;
103 s->insn_bits = pcl730_di_insn;
104 s->range_table = &range_digital;
105 s->private = (void *)PCL730_IDIO_LO;
107 s = dev->subdevices + 2;
109 s->type = COMEDI_SUBD_DO;
110 s->subdev_flags = SDF_WRITABLE;
113 s->insn_bits = pcl730_do_insn;
114 s->range_table = &range_digital;
115 s->private = (void *)PCL730_DIO_LO;
117 s = dev->subdevices + 3;
119 s->type = COMEDI_SUBD_DI;
120 s->subdev_flags = SDF_READABLE;
123 s->insn_bits = pcl730_di_insn;
124 s->range_table = &range_digital;
125 s->private = (void *)PCL730_DIO_LO;
127 printk(KERN_INFO "\n");
132 static void pcl730_detach(struct comedi_device *dev)
134 const struct pcl730_board *board = comedi_board(dev);
137 release_region(dev->iobase, board->io_range);
140 static const struct pcl730_board boardtypes[] = {
141 { "pcl730", PCL730_SIZE, },
142 { "iso730", PCL730_SIZE, },
143 { "acl7130", ACL7130_SIZE, },
146 static struct comedi_driver pcl730_driver = {
147 .driver_name = "pcl730",
148 .module = THIS_MODULE,
149 .attach = pcl730_attach,
150 .detach = pcl730_detach,
151 .board_name = &boardtypes[0].name,
152 .num_names = ARRAY_SIZE(boardtypes),
153 .offset = sizeof(struct pcl730_board),
155 module_comedi_driver(pcl730_driver);
157 MODULE_AUTHOR("Comedi http://www.comedi.org");
158 MODULE_DESCRIPTION("Comedi low-level driver");
159 MODULE_LICENSE("GPL");