1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37#include "../comedidev.h"
38#include <linux/ioport.h>
39
40#define AIO_IIRO_16_SIZE 0x08
41#define AIO_IIRO_16_RELAY_0_7 0x00
42#define AIO_IIRO_16_INPUT_0_7 0x01
43#define AIO_IIRO_16_IRQ 0x02
44#define AIO_IIRO_16_RELAY_8_15 0x04
45#define AIO_IIRO_16_INPUT_8_15 0x05
46
47struct aio_iiro_16_board {
48 const char *name;
49 int do_;
50 int di;
51};
52
53static const struct aio_iiro_16_board aio_iiro_16_boards[] = {
54 {
55 .name = "aio_iiro_16",
56 .di = 16,
57 .do_ = 16},
58};
59
60#define thisboard ((const struct aio_iiro_16_board *) dev->board_ptr)
61
62struct aio_iiro_16_private {
63 int data;
64 struct pci_dev *pci_dev;
65 unsigned int ao_readback[2];
66};
67
68#define devpriv ((struct aio_iiro_16_private *) dev->private)
69
70static int aio_iiro_16_attach(struct comedi_device *dev,
71 struct comedi_devconfig *it);
72
73static int aio_iiro_16_detach(struct comedi_device *dev);
74
75static struct comedi_driver driver_aio_iiro_16 = {
76 .driver_name = "aio_iiro_16",
77 .module = THIS_MODULE,
78 .attach = aio_iiro_16_attach,
79 .detach = aio_iiro_16_detach,
80 .board_name = &aio_iiro_16_boards[0].name,
81 .offset = sizeof(struct aio_iiro_16_board),
82 .num_names = ARRAY_SIZE(aio_iiro_16_boards),
83};
84
85static int aio_iiro_16_dio_insn_bits_read(struct comedi_device *dev,
86 struct comedi_subdevice *s,
87 struct comedi_insn *insn,
88 unsigned int *data);
89
90static int aio_iiro_16_dio_insn_bits_write(struct comedi_device *dev,
91 struct comedi_subdevice *s,
92 struct comedi_insn *insn,
93 unsigned int *data);
94
95static int aio_iiro_16_attach(struct comedi_device *dev,
96 struct comedi_devconfig *it)
97{
98 int iobase;
99 struct comedi_subdevice *s;
100
101 printk("comedi%d: aio_iiro_16: ", dev->minor);
102
103 dev->board_name = thisboard->name;
104
105 iobase = it->options[0];
106
107 if (!request_region(iobase, AIO_IIRO_16_SIZE, dev->board_name)) {
108 printk("I/O port conflict");
109 return -EIO;
110 }
111
112 dev->iobase = iobase;
113
114 if (alloc_private(dev, sizeof(struct aio_iiro_16_private)) < 0)
115 return -ENOMEM;
116
117 if (alloc_subdevices(dev, 2) < 0)
118 return -ENOMEM;
119
120 s = dev->subdevices + 0;
121 s->type = COMEDI_SUBD_DIO;
122 s->subdev_flags = SDF_WRITABLE;
123 s->n_chan = 16;
124 s->maxdata = 1;
125 s->range_table = &range_digital;
126 s->insn_bits = aio_iiro_16_dio_insn_bits_write;
127
128 s = dev->subdevices + 1;
129 s->type = COMEDI_SUBD_DIO;
130 s->subdev_flags = SDF_READABLE;
131 s->n_chan = 16;
132 s->maxdata = 1;
133 s->range_table = &range_digital;
134 s->insn_bits = aio_iiro_16_dio_insn_bits_read;
135
136 printk("attached\n");
137
138 return 1;
139}
140
141static int aio_iiro_16_detach(struct comedi_device *dev)
142{
143 printk("comedi%d: aio_iiro_16: remove\n", dev->minor);
144
145 if (dev->iobase)
146 release_region(dev->iobase, AIO_IIRO_16_SIZE);
147
148 return 0;
149}
150
151static int aio_iiro_16_dio_insn_bits_write(struct comedi_device *dev,
152 struct comedi_subdevice *s,
153 struct comedi_insn *insn,
154 unsigned int *data)
155{
156 if (insn->n != 2)
157 return -EINVAL;
158
159 if (data[0]) {
160 s->state &= ~data[0];
161 s->state |= data[0] & data[1];
162 outb(s->state & 0xff, dev->iobase + AIO_IIRO_16_RELAY_0_7);
163 outb((s->state >> 8) & 0xff,
164 dev->iobase + AIO_IIRO_16_RELAY_8_15);
165 }
166
167 data[1] = s->state;
168
169 return 2;
170}
171
172static int aio_iiro_16_dio_insn_bits_read(struct comedi_device *dev,
173 struct comedi_subdevice *s,
174 struct comedi_insn *insn,
175 unsigned int *data)
176{
177 if (insn->n != 2)
178 return -EINVAL;
179
180 data[1] = 0;
181 data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_0_7);
182 data[1] |= inb(dev->iobase + AIO_IIRO_16_INPUT_8_15) << 8;
183
184 return 2;
185}
186
187COMEDI_INITCLEANUP(driver_aio_iiro_16);
188
