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34#include <linux/module.h>
35#include <linux/delay.h>
36
37#include "../comedi_pci.h"
38
39
40
41
42#define PCI6208_AO_CONTROL(x) (0x00 + (2 * (x)))
43#define PCI6208_AO_STATUS 0x00
44#define PCI6208_AO_STATUS_DATA_SEND BIT(0)
45#define PCI6208_DIO 0x40
46#define PCI6208_DIO_DO_MASK (0x0f)
47#define PCI6208_DIO_DO_SHIFT (0)
48#define PCI6208_DIO_DI_MASK (0xf0)
49#define PCI6208_DIO_DI_SHIFT (4)
50
51static int pci6208_ao_eoc(struct comedi_device *dev,
52 struct comedi_subdevice *s,
53 struct comedi_insn *insn,
54 unsigned long context)
55{
56 unsigned int status;
57
58 status = inw(dev->iobase + PCI6208_AO_STATUS);
59 if ((status & PCI6208_AO_STATUS_DATA_SEND) == 0)
60 return 0;
61 return -EBUSY;
62}
63
64static int pci6208_ao_insn_write(struct comedi_device *dev,
65 struct comedi_subdevice *s,
66 struct comedi_insn *insn,
67 unsigned int *data)
68{
69 unsigned int chan = CR_CHAN(insn->chanspec);
70 unsigned int val = s->readback[chan];
71 int ret;
72 int i;
73
74 for (i = 0; i < insn->n; i++) {
75 val = data[i];
76
77
78 ret = comedi_timeout(dev, s, insn, pci6208_ao_eoc, 0);
79 if (ret)
80 return ret;
81
82
83 outw(comedi_offset_munge(s, val),
84 dev->iobase + PCI6208_AO_CONTROL(chan));
85
86 s->readback[chan] = val;
87 }
88
89 return insn->n;
90}
91
92static int pci6208_di_insn_bits(struct comedi_device *dev,
93 struct comedi_subdevice *s,
94 struct comedi_insn *insn,
95 unsigned int *data)
96{
97 unsigned int val;
98
99 val = inw(dev->iobase + PCI6208_DIO);
100 val = (val & PCI6208_DIO_DI_MASK) >> PCI6208_DIO_DI_SHIFT;
101
102 data[1] = val;
103
104 return insn->n;
105}
106
107static int pci6208_do_insn_bits(struct comedi_device *dev,
108 struct comedi_subdevice *s,
109 struct comedi_insn *insn,
110 unsigned int *data)
111{
112 if (comedi_dio_update_state(s, data))
113 outw(s->state, dev->iobase + PCI6208_DIO);
114
115 data[1] = s->state;
116
117 return insn->n;
118}
119
120static int pci6208_auto_attach(struct comedi_device *dev,
121 unsigned long context_unused)
122{
123 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
124 struct comedi_subdevice *s;
125 unsigned int val;
126 int ret;
127
128 ret = comedi_pci_enable(dev);
129 if (ret)
130 return ret;
131 dev->iobase = pci_resource_start(pcidev, 2);
132
133 ret = comedi_alloc_subdevices(dev, 3);
134 if (ret)
135 return ret;
136
137 s = &dev->subdevices[0];
138
139 s->type = COMEDI_SUBD_AO;
140 s->subdev_flags = SDF_WRITABLE;
141 s->n_chan = 16;
142 s->maxdata = 0xffff;
143 s->range_table = &range_bipolar10;
144 s->insn_write = pci6208_ao_insn_write;
145
146 ret = comedi_alloc_subdev_readback(s);
147 if (ret)
148 return ret;
149
150 s = &dev->subdevices[1];
151
152 s->type = COMEDI_SUBD_DI;
153 s->subdev_flags = SDF_READABLE;
154 s->n_chan = 4;
155 s->maxdata = 1;
156 s->range_table = &range_digital;
157 s->insn_bits = pci6208_di_insn_bits;
158
159 s = &dev->subdevices[2];
160
161 s->type = COMEDI_SUBD_DO;
162 s->subdev_flags = SDF_WRITABLE;
163 s->n_chan = 4;
164 s->maxdata = 1;
165 s->range_table = &range_digital;
166 s->insn_bits = pci6208_do_insn_bits;
167
168
169
170
171
172 val = inw(dev->iobase + PCI6208_DIO);
173 val = (val & PCI6208_DIO_DO_MASK) >> PCI6208_DIO_DO_SHIFT;
174 s->state = val;
175
176 return 0;
177}
178
179static struct comedi_driver adl_pci6208_driver = {
180 .driver_name = "adl_pci6208",
181 .module = THIS_MODULE,
182 .auto_attach = pci6208_auto_attach,
183 .detach = comedi_pci_detach,
184};
185
186static int adl_pci6208_pci_probe(struct pci_dev *dev,
187 const struct pci_device_id *id)
188{
189 return comedi_pci_auto_config(dev, &adl_pci6208_driver,
190 id->driver_data);
191}
192
193static const struct pci_device_id adl_pci6208_pci_table[] = {
194 { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, 0x6208) },
195 { PCI_DEVICE_SUB(PCI_VENDOR_ID_PLX, PCI_DEVICE_ID_PLX_9050,
196 0x9999, 0x6208) },
197 { 0 }
198};
199MODULE_DEVICE_TABLE(pci, adl_pci6208_pci_table);
200
201static struct pci_driver adl_pci6208_pci_driver = {
202 .name = "adl_pci6208",
203 .id_table = adl_pci6208_pci_table,
204 .probe = adl_pci6208_pci_probe,
205 .remove = comedi_pci_auto_unconfig,
206};
207module_comedi_pci_driver(adl_pci6208_driver, adl_pci6208_pci_driver);
208
209MODULE_AUTHOR("Comedi http://www.comedi.org");
210MODULE_DESCRIPTION("Comedi driver for ADLink 6208 series cards");
211MODULE_LICENSE("GPL");
212