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29#include <linux/kernel.h>
30#include <linux/module.h>
31
32#include "../comedi_pci.h"
33
34#define PCI8164_AXIS(x) ((x) * 0x08)
35#define PCI8164_CMD_MSTS_REG 0x00
36#define PCI8164_OTP_SSTS_REG 0x02
37#define PCI8164_BUF0_REG 0x04
38#define PCI8164_BUF1_REG 0x06
39
40static int adl_pci8164_insn_read(struct comedi_device *dev,
41 struct comedi_subdevice *s,
42 struct comedi_insn *insn,
43 unsigned int *data)
44{
45 unsigned long offset = (unsigned long)s->private;
46 unsigned int chan = CR_CHAN(insn->chanspec);
47 int i;
48
49 for (i = 0; i < insn->n; i++)
50 data[i] = inw(dev->iobase + PCI8164_AXIS(chan) + offset);
51
52 return insn->n;
53}
54
55static int adl_pci8164_insn_write(struct comedi_device *dev,
56 struct comedi_subdevice *s,
57 struct comedi_insn *insn,
58 unsigned int *data)
59{
60 unsigned long offset = (unsigned long)s->private;
61 unsigned int chan = CR_CHAN(insn->chanspec);
62 int i;
63
64 for (i = 0; i < insn->n; i++)
65 outw(data[i], dev->iobase + PCI8164_AXIS(chan) + offset);
66
67 return insn->n;
68}
69
70static int adl_pci8164_auto_attach(struct comedi_device *dev,
71 unsigned long context_unused)
72{
73 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
74 struct comedi_subdevice *s;
75 int ret;
76
77 ret = comedi_pci_enable(dev);
78 if (ret)
79 return ret;
80 dev->iobase = pci_resource_start(pcidev, 2);
81
82 ret = comedi_alloc_subdevices(dev, 4);
83 if (ret)
84 return ret;
85
86
87 s = &dev->subdevices[0];
88 s->type = COMEDI_SUBD_PROC;
89 s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
90 s->n_chan = 4;
91 s->maxdata = 0xffff;
92 s->len_chanlist = 4;
93 s->insn_read = adl_pci8164_insn_read;
94 s->insn_write = adl_pci8164_insn_write;
95 s->private = (void *)PCI8164_CMD_MSTS_REG;
96
97
98 s = &dev->subdevices[1];
99 s->type = COMEDI_SUBD_PROC;
100 s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
101 s->n_chan = 4;
102 s->maxdata = 0xffff;
103 s->len_chanlist = 4;
104 s->insn_read = adl_pci8164_insn_read;
105 s->insn_write = adl_pci8164_insn_write;
106 s->private = (void *)PCI8164_OTP_SSTS_REG;
107
108
109 s = &dev->subdevices[2];
110 s->type = COMEDI_SUBD_PROC;
111 s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
112 s->n_chan = 4;
113 s->maxdata = 0xffff;
114 s->len_chanlist = 4;
115 s->insn_read = adl_pci8164_insn_read;
116 s->insn_write = adl_pci8164_insn_write;
117 s->private = (void *)PCI8164_BUF0_REG;
118
119
120 s = &dev->subdevices[3];
121 s->type = COMEDI_SUBD_PROC;
122 s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
123 s->n_chan = 4;
124 s->maxdata = 0xffff;
125 s->len_chanlist = 4;
126 s->insn_read = adl_pci8164_insn_read;
127 s->insn_write = adl_pci8164_insn_write;
128 s->private = (void *)PCI8164_BUF1_REG;
129
130 return 0;
131}
132
133static struct comedi_driver adl_pci8164_driver = {
134 .driver_name = "adl_pci8164",
135 .module = THIS_MODULE,
136 .auto_attach = adl_pci8164_auto_attach,
137 .detach = comedi_pci_detach,
138};
139
140static int adl_pci8164_pci_probe(struct pci_dev *dev,
141 const struct pci_device_id *id)
142{
143 return comedi_pci_auto_config(dev, &adl_pci8164_driver,
144 id->driver_data);
145}
146
147static const struct pci_device_id adl_pci8164_pci_table[] = {
148 { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, 0x8164) },
149 { 0 }
150};
151MODULE_DEVICE_TABLE(pci, adl_pci8164_pci_table);
152
153static struct pci_driver adl_pci8164_pci_driver = {
154 .name = "adl_pci8164",
155 .id_table = adl_pci8164_pci_table,
156 .probe = adl_pci8164_pci_probe,
157 .remove = comedi_pci_auto_unconfig,
158};
159module_comedi_pci_driver(adl_pci8164_driver, adl_pci8164_pci_driver);
160
161MODULE_AUTHOR("Comedi http://www.comedi.org");
162MODULE_DESCRIPTION("Comedi low-level driver");
163MODULE_LICENSE("GPL");
164
