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25#include <linux/module.h>
26
27#include "../comedi_pci.h"
28#include "addi_watchdog.h"
29
30
31
32
33#define APCI2200_DI_REG 0x00
34#define APCI2200_DO_REG 0x04
35#define APCI2200_WDOG_REG 0x08
36
37static int apci2200_di_insn_bits(struct comedi_device *dev,
38 struct comedi_subdevice *s,
39 struct comedi_insn *insn,
40 unsigned int *data)
41{
42 data[1] = inw(dev->iobase + APCI2200_DI_REG);
43
44 return insn->n;
45}
46
47static int apci2200_do_insn_bits(struct comedi_device *dev,
48 struct comedi_subdevice *s,
49 struct comedi_insn *insn,
50 unsigned int *data)
51{
52 s->state = inw(dev->iobase + APCI2200_DO_REG);
53
54 if (comedi_dio_update_state(s, data))
55 outw(s->state, dev->iobase + APCI2200_DO_REG);
56
57 data[1] = s->state;
58
59 return insn->n;
60}
61
62static int apci2200_reset(struct comedi_device *dev)
63{
64 outw(0x0, dev->iobase + APCI2200_DO_REG);
65
66 addi_watchdog_reset(dev->iobase + APCI2200_WDOG_REG);
67
68 return 0;
69}
70
71static int apci2200_auto_attach(struct comedi_device *dev,
72 unsigned long context_unused)
73{
74 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
75 struct comedi_subdevice *s;
76 int ret;
77
78 ret = comedi_pci_enable(dev);
79 if (ret)
80 return ret;
81
82 dev->iobase = pci_resource_start(pcidev, 1);
83
84 ret = comedi_alloc_subdevices(dev, 3);
85 if (ret)
86 return ret;
87
88
89 s = &dev->subdevices[0];
90 s->type = COMEDI_SUBD_DI;
91 s->subdev_flags = SDF_READABLE;
92 s->n_chan = 8;
93 s->maxdata = 1;
94 s->range_table = &range_digital;
95 s->insn_bits = apci2200_di_insn_bits;
96
97
98 s = &dev->subdevices[1];
99 s->type = COMEDI_SUBD_DO;
100 s->subdev_flags = SDF_WRITABLE;
101 s->n_chan = 16;
102 s->maxdata = 1;
103 s->range_table = &range_digital;
104 s->insn_bits = apci2200_do_insn_bits;
105
106
107 s = &dev->subdevices[2];
108 ret = addi_watchdog_init(s, dev->iobase + APCI2200_WDOG_REG);
109 if (ret)
110 return ret;
111
112 apci2200_reset(dev);
113 return 0;
114}
115
116static void apci2200_detach(struct comedi_device *dev)
117{
118 if (dev->iobase)
119 apci2200_reset(dev);
120 comedi_pci_detach(dev);
121}
122
123static struct comedi_driver apci2200_driver = {
124 .driver_name = "addi_apci_2200",
125 .module = THIS_MODULE,
126 .auto_attach = apci2200_auto_attach,
127 .detach = apci2200_detach,
128};
129
130static int apci2200_pci_probe(struct pci_dev *dev,
131 const struct pci_device_id *id)
132{
133 return comedi_pci_auto_config(dev, &apci2200_driver, id->driver_data);
134}
135
136static const struct pci_device_id apci2200_pci_table[] = {
137 { PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1005) },
138 { 0 }
139};
140MODULE_DEVICE_TABLE(pci, apci2200_pci_table);
141
142static struct pci_driver apci2200_pci_driver = {
143 .name = "addi_apci_2200",
144 .id_table = apci2200_pci_table,
145 .probe = apci2200_pci_probe,
146 .remove = comedi_pci_auto_unconfig,
147};
148module_comedi_pci_driver(apci2200_driver, apci2200_pci_driver);
149
150MODULE_DESCRIPTION("ADDI-DATA APCI-2200 Relay board, optically isolated");
151MODULE_AUTHOR("Comedi http://www.comedi.org");
152MODULE_LICENSE("GPL");
153