2 * comedi/drivers/acl7225b.c
3 * Driver for Adlink NuDAQ ACL-7225b and clones
8 Description: Adlink NuDAQ ACL-7225b & compatibles
9 Author: José Luis Sánchez (jsanchezv@teleline.es)
11 Devices: [Adlink] ACL-7225b (acl7225b), [ICP] P16R16DIO (p16r16dio)
14 #include "../comedidev.h"
16 #include <linux/ioport.h>
18 #define ACL7225_RIO_LO 0 /* Relays input/output low byte (R0-R7) */
19 #define ACL7225_RIO_HI 1 /* Relays input/output high byte (R8-R15) */
20 #define ACL7225_DI_LO 2 /* Digital input low byte (DI0-DI7) */
21 #define ACL7225_DI_HI 3 /* Digital input high byte (DI8-DI15) */
23 struct acl7225b_boardinfo {
28 static const struct acl7225b_boardinfo acl7225b_boards[] = {
31 .io_range = 8, /* only 4 are used */
38 static int acl7225b_do_insn_bits(struct comedi_device *dev,
39 struct comedi_subdevice *s,
40 struct comedi_insn *insn,
43 unsigned long reg = (unsigned long)s->private;
44 unsigned int mask = data[0];
45 unsigned int bits = data[1];
49 s->state |= (bits & mask);
52 outb(s->state & 0xff, dev->iobase + reg);
54 outb((s->state >> 8), dev->iobase + reg + 1);
62 static int acl7225b_di_insn_bits(struct comedi_device *dev,
63 struct comedi_subdevice *s,
64 struct comedi_insn *insn,
67 unsigned long reg = (unsigned long)s->private;
69 data[1] = inb(dev->iobase + reg) |
70 (inb(dev->iobase + reg + 1) << 8);
75 static int acl7225b_attach(struct comedi_device *dev,
76 struct comedi_devconfig *it)
78 const struct acl7225b_boardinfo *board = comedi_board(dev);
79 struct comedi_subdevice *s;
82 ret = comedi_request_region(dev, it->options[0], board->io_range);
86 ret = comedi_alloc_subdevices(dev, 3);
90 s = &dev->subdevices[0];
92 s->type = COMEDI_SUBD_DO;
93 s->subdev_flags = SDF_WRITABLE;
96 s->insn_bits = acl7225b_do_insn_bits;
97 s->range_table = &range_digital;
98 s->private = (void *)ACL7225_RIO_LO;
100 s = &dev->subdevices[1];
102 s->type = COMEDI_SUBD_DI;
103 s->subdev_flags = SDF_READABLE;
106 s->insn_bits = acl7225b_di_insn_bits;
107 s->range_table = &range_digital;
108 s->private = (void *)ACL7225_RIO_LO;
110 s = &dev->subdevices[2];
111 /* Isolated digital inputs */
112 s->type = COMEDI_SUBD_DI;
113 s->subdev_flags = SDF_READABLE;
116 s->insn_bits = acl7225b_di_insn_bits;
117 s->range_table = &range_digital;
118 s->private = (void *)ACL7225_DI_LO;
123 static struct comedi_driver acl7225b_driver = {
124 .driver_name = "acl7225b",
125 .module = THIS_MODULE,
126 .attach = acl7225b_attach,
127 .detach = comedi_legacy_detach,
128 .board_name = &acl7225b_boards[0].name,
129 .num_names = ARRAY_SIZE(acl7225b_boards),
130 .offset = sizeof(struct acl7225b_boardinfo),
132 module_comedi_driver(acl7225b_driver);
134 MODULE_DESCRIPTION("Comedi: NuDAQ ACL-7225B, 16 Relay & 16 Isolated DI Card");
135 MODULE_AUTHOR("Comedi http://www.comedi.org");
136 MODULE_LICENSE("GPL");