2 * Driver for Adlink NuDAQ ACL-7225b and clones
7 Description: Adlink NuDAQ ACL-7225b & compatibles
8 Author: José Luis Sánchez (jsanchezv@teleline.es)
10 Devices: [Adlink] ACL-7225b (acl7225b), [ICP] P16R16DIO (p16r16dio)
13 #include <linux/comedidev.h>
15 #include <linux/ioport.h>
17 #define ACL7225_SIZE 8 /* Requires 8 ioports, but only 4 are used */
18 #define P16R16DIO_SIZE 4
19 #define ACL7225_RIO_LO 0 /* Relays input/output low byte (R0-R7) */
20 #define ACL7225_RIO_HI 1 /* Relays input/output high byte (R8-R15) */
21 #define ACL7225_DI_LO 2 /* Digital input low byte (DI0-DI7) */
22 #define ACL7225_DI_HI 3 /* Digital input high byte (DI8-DI15) */
24 static int acl7225b_attach(comedi_device *dev,comedi_devconfig *it);
25 static int acl7225b_detach(comedi_device *dev);
28 char *name; // driver name
29 int io_range; // len of I/O space
32 static boardtype boardtypes[] =
34 { "acl7225b", ACL7225_SIZE, },
35 { "p16r16dio", P16R16DIO_SIZE, },
37 #define n_boardtypes (sizeof(boardtypes)/sizeof(boardtype))
38 #define this_board ((boardtype *)dev->board_ptr)
40 static comedi_driver driver_acl7225b = {
41 driver_name: "acl7225b",
43 attach: acl7225b_attach,
44 detach: acl7225b_detach,
45 board_name: (const char**)boardtypes,
46 num_names: n_boardtypes,
47 offset: sizeof(boardtype),
49 COMEDI_INITCLEANUP(driver_acl7225b);
51 static int acl7225b_do_insn(comedi_device *dev,comedi_subdevice *s,
52 comedi_insn *insn,lsampl_t *data)
60 s->state |= (data[0] & data[1]);
62 if( data[0] & 0x00ff )
63 outb(s->state & 0xff, dev->iobase+(unsigned long)s->private);
64 if( data[0] & 0xff00 )
65 outb((s->state >> 8), dev->iobase+(unsigned long)s->private+1);
72 static int acl7225b_di_insn(comedi_device *dev,comedi_subdevice *s,
73 comedi_insn *insn,lsampl_t *data)
78 data[1]=inb(dev->iobase + (unsigned long)s->private) |
79 (inb(dev->iobase + (unsigned long)s->private+1) << 8);
84 static int acl7225b_attach(comedi_device *dev,comedi_devconfig *it)
89 iobase=it->options[0];
90 iorange=this_board->io_range;
91 printk("comedi%d: acl7225b: board=%s 0x%04x ", dev->minor,
92 this_board->name, iobase);
93 if( !request_region(iobase, iorange, "acl7225b") ) {
94 printk("I/O port conflict\n");
97 dev->board_name=this_board->name;
101 if( alloc_subdevices(dev, 3) < 0 )
106 s->type=COMEDI_SUBD_DO;
107 s->subdev_flags=SDF_WRITABLE;
110 s->insn_bits = acl7225b_do_insn;
111 s->range_table=&range_digital;
112 s->private=(void *)ACL7225_RIO_LO;
116 s->type=COMEDI_SUBD_DI;
117 s->subdev_flags=SDF_READABLE;
120 s->insn_bits = acl7225b_di_insn;
121 s->range_table=&range_digital;
122 s->private=(void *)ACL7225_RIO_LO;
125 /* Isolated digital inputs */
126 s->type=COMEDI_SUBD_DI;
127 s->subdev_flags=SDF_READABLE;
130 s->insn_bits = acl7225b_di_insn;
131 s->range_table=&range_digital;
132 s->private=(void *)ACL7225_DI_LO;
139 static int acl7225b_detach(comedi_device *dev)
141 printk("comedi%d: acl7225b: remove\n",dev->minor);
144 release_region(dev->iobase, this_board->io_range);