2 comedi/drivers/adl_pci6208.c
4 Hardware driver for ADLink 6208 series cards:
5 card | voltage output | current output
6 -------------+-------------------+---------------
7 PCI-6208V | 8 channels | -
8 PCI-6216V | 16 channels | -
9 PCI-6208A | 8 channels | 8 channels
11 COMEDI - Linux Control and Measurement Device Interface
12 Copyright (C) 2000 David A. Schleef <ds@schleef.org>
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
24 You should have received a copy of the GNU General Public License
25 along with this program; if not, write to the Free Software
26 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
30 Description: ADLink PCI-6208A
31 Devices: [ADLink] PCI-6208A (adl_pci6208)
32 Author: nsyeow <nsyeow@pd.jaring.my>
33 Updated: Fri, 30 Jan 2004 14:44:27 +0800
36 Configuration Options:
41 - adl_pci9111.c copied the entire pci setup section
45 #include "../comedidev.h"
48 * PCI-6208/6216-GL register map
50 #define PCI6208_AO_CONTROL(x) (0x00 + (2 * (x)))
51 #define PCI6208_AO_STATUS 0x00
52 #define PCI6208_AO_STATUS_DATA_SEND (1 << 0)
53 #define PCI6208_DIO 0x40
54 #define PCI6208_DIO_DO_MASK (0x0f)
55 #define PCI6208_DIO_DO_SHIFT (0)
56 #define PCI6208_DIO_DI_MASK (0xf0)
57 #define PCI6208_DIO_DI_SHIFT (4)
59 #define PCI6208_MAX_AO_CHANNELS 8
61 struct pci6208_board {
63 unsigned short dev_id;
67 static const struct pci6208_board pci6208_boards[] = {
75 struct pci6208_private {
76 unsigned int ao_readback[PCI6208_MAX_AO_CHANNELS];
79 static int pci6208_ao_winsn(struct comedi_device *dev,
80 struct comedi_subdevice *s,
81 struct comedi_insn *insn, unsigned int *data)
83 struct pci6208_private *devpriv = dev->private;
84 int chan = CR_CHAN(insn->chanspec);
85 unsigned long invert = 1 << (16 - 1);
86 unsigned long value = 0;
87 unsigned short status;
90 for (i = 0; i < insn->n; i++) {
91 value = data[i] ^ invert;
94 status = inw(dev->iobase + PCI6208_AO_STATUS);
95 } while (status & PCI6208_AO_STATUS_DATA_SEND);
97 outw(value, dev->iobase + PCI6208_AO_CONTROL(chan));
99 devpriv->ao_readback[chan] = value;
104 static int pci6208_ao_rinsn(struct comedi_device *dev,
105 struct comedi_subdevice *s,
106 struct comedi_insn *insn, unsigned int *data)
108 struct pci6208_private *devpriv = dev->private;
109 int chan = CR_CHAN(insn->chanspec);
112 for (i = 0; i < insn->n; i++)
113 data[i] = devpriv->ao_readback[chan];
118 static int pci6208_dio_insn_bits(struct comedi_device *dev,
119 struct comedi_subdevice *s,
120 struct comedi_insn *insn,
123 unsigned int mask = data[0] & PCI6208_DIO_DO_MASK;
124 unsigned int bits = data[1];
128 s->state |= bits & mask;
130 outw(s->state, dev->iobase + PCI6208_DIO);
133 s->state = inw(dev->iobase + PCI6208_DIO);
139 static int pci6208_dio_insn_config(struct comedi_device *dev,
140 struct comedi_subdevice *s,
141 struct comedi_insn *insn,
144 int chan = CR_CHAN(insn->chanspec);
145 unsigned int mask = 1 << chan;
148 case INSN_CONFIG_DIO_QUERY:
149 data[1] = (s->io_bits & mask) ? COMEDI_OUTPUT : COMEDI_INPUT;
158 static struct pci_dev *pci6208_find_device(struct comedi_device *dev,
159 struct comedi_devconfig *it)
161 const struct pci6208_board *thisboard;
162 struct pci_dev *pci_dev = NULL;
163 int bus = it->options[0];
164 int slot = it->options[1];
167 for_each_pci_dev(pci_dev) {
168 if (pci_dev->vendor != PCI_VENDOR_ID_ADLINK)
170 for (i = 0; i < ARRAY_SIZE(pci6208_boards); i++) {
171 thisboard = &pci6208_boards[i];
172 if (thisboard->dev_id != pci_dev->device)
174 /* was a particular bus/slot requested? */
176 /* are we on the wrong bus/slot? */
177 if (pci_dev->bus->number != bus ||
178 PCI_SLOT(pci_dev->devfn) != slot)
181 dev_dbg(dev->class_dev,
182 "Found %s on bus %d, slot, %d, irq=%d\n",
184 pci_dev->bus->number,
185 PCI_SLOT(pci_dev->devfn),
187 dev->board_ptr = thisboard;
191 dev_err(dev->class_dev,
192 "No supported board found! (req. bus %d, slot %d)\n",
197 static int pci6208_attach(struct comedi_device *dev,
198 struct comedi_devconfig *it)
200 const struct pci6208_board *thisboard;
201 struct pci6208_private *devpriv;
202 struct pci_dev *pcidev;
203 struct comedi_subdevice *s;
206 ret = alloc_private(dev, sizeof(*devpriv));
209 devpriv = dev->private;
211 pcidev = pci6208_find_device(dev, it);
214 comedi_set_hw_dev(dev, &pcidev->dev);
215 thisboard = comedi_board(dev);
217 dev->board_name = thisboard->name;
219 ret = comedi_pci_enable(pcidev, dev->driver->driver_name);
221 dev_err(dev->class_dev,
222 "Failed to enable PCI device and request regions\n");
225 dev->iobase = pci_resource_start(pcidev, 2);
227 ret = comedi_alloc_subdevices(dev, 2);
231 s = dev->subdevices + 0;
232 /* analog output subdevice */
233 s->type = COMEDI_SUBD_AO;
234 s->subdev_flags = SDF_WRITABLE;
235 s->n_chan = thisboard->ao_chans;
237 s->range_table = &range_bipolar10;
238 s->insn_write = pci6208_ao_winsn;
239 s->insn_read = pci6208_ao_rinsn;
241 s = dev->subdevices + 1;
242 /* digital i/o subdevice */
243 s->type = COMEDI_SUBD_DIO;
244 s->subdev_flags = SDF_READABLE | SDF_WRITABLE;
247 s->range_table = &range_digital;
248 s->insn_bits = pci6208_dio_insn_bits;
249 s->insn_config = pci6208_dio_insn_config;
252 s->state = inw(dev->iobase + PCI6208_DIO);
254 dev_info(dev->class_dev, "%s: %s, I/O base=0x%04lx\n",
255 dev->driver->driver_name, dev->board_name, dev->iobase);
260 static void pci6208_detach(struct comedi_device *dev)
262 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
266 comedi_pci_disable(pcidev);
271 static struct comedi_driver adl_pci6208_driver = {
272 .driver_name = "adl_pci6208",
273 .module = THIS_MODULE,
274 .attach = pci6208_attach,
275 .detach = pci6208_detach,
278 static int __devinit adl_pci6208_pci_probe(struct pci_dev *dev,
279 const struct pci_device_id *ent)
281 return comedi_pci_auto_config(dev, &adl_pci6208_driver);
284 static void __devexit adl_pci6208_pci_remove(struct pci_dev *dev)
286 comedi_pci_auto_unconfig(dev);
289 static DEFINE_PCI_DEVICE_TABLE(adl_pci6208_pci_table) = {
290 { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, 0x6208) },
293 MODULE_DEVICE_TABLE(pci, adl_pci6208_pci_table);
295 static struct pci_driver adl_pci6208_pci_driver = {
296 .name = "adl_pci6208",
297 .id_table = adl_pci6208_pci_table,
298 .probe = adl_pci6208_pci_probe,
299 .remove = __devexit_p(adl_pci6208_pci_remove),
301 module_comedi_pci_driver(adl_pci6208_driver, adl_pci6208_pci_driver);
303 MODULE_AUTHOR("Comedi http://www.comedi.org");
304 MODULE_DESCRIPTION("Comedi low-level driver");
305 MODULE_LICENSE("GPL");