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-6208/6216 Series Multi-channel Analog Output Cards
31 Devices: (ADLink) PCI-6208 [adl_pci6208]
32 (ADLink) PCI-6216 [adl_pci6216]
33 Author: nsyeow <nsyeow@pd.jaring.my>
34 Updated: Fri, 30 Jan 2004 14:44:27 +0800
37 Configuration Options: not applicable, uses PCI auto config
41 - adl_pci9111.c copied the entire pci setup section
45 #include "../comedidev.h"
48 * ADLINK PCI Device ID's supported by this driver
50 #define PCI_DEVICE_ID_PCI6208 0x6208
51 #define PCI_DEVICE_ID_PCI6216 0x6216
54 * PCI-6208/6216-GL register map
56 #define PCI6208_AO_CONTROL(x) (0x00 + (2 * (x)))
57 #define PCI6208_AO_STATUS 0x00
58 #define PCI6208_AO_STATUS_DATA_SEND (1 << 0)
59 #define PCI6208_DIO 0x40
60 #define PCI6208_DIO_DO_MASK (0x0f)
61 #define PCI6208_DIO_DO_SHIFT (0)
62 #define PCI6208_DIO_DI_MASK (0xf0)
63 #define PCI6208_DIO_DI_SHIFT (4)
65 #define PCI6208_MAX_AO_CHANNELS 16
67 struct pci6208_board {
69 unsigned short dev_id;
73 static const struct pci6208_board pci6208_boards[] = {
75 .name = "adl_pci6208",
76 .dev_id = PCI_DEVICE_ID_PCI6208,
79 .name = "adl_pci6216",
80 .dev_id = PCI_DEVICE_ID_PCI6216,
85 struct pci6208_private {
86 unsigned int ao_readback[PCI6208_MAX_AO_CHANNELS];
89 static int pci6208_ao_winsn(struct comedi_device *dev,
90 struct comedi_subdevice *s,
91 struct comedi_insn *insn, unsigned int *data)
93 struct pci6208_private *devpriv = dev->private;
94 int chan = CR_CHAN(insn->chanspec);
95 unsigned long invert = 1 << (16 - 1);
96 unsigned long value = 0;
97 unsigned short status;
100 for (i = 0; i < insn->n; i++) {
101 value = data[i] ^ invert;
104 status = inw(dev->iobase + PCI6208_AO_STATUS);
105 } while (status & PCI6208_AO_STATUS_DATA_SEND);
107 outw(value, dev->iobase + PCI6208_AO_CONTROL(chan));
109 devpriv->ao_readback[chan] = value;
114 static int pci6208_ao_rinsn(struct comedi_device *dev,
115 struct comedi_subdevice *s,
116 struct comedi_insn *insn, unsigned int *data)
118 struct pci6208_private *devpriv = dev->private;
119 int chan = CR_CHAN(insn->chanspec);
122 for (i = 0; i < insn->n; i++)
123 data[i] = devpriv->ao_readback[chan];
128 static int pci6208_di_insn_bits(struct comedi_device *dev,
129 struct comedi_subdevice *s,
130 struct comedi_insn *insn,
135 val = inw(dev->iobase + PCI6208_DIO);
136 val = (val & PCI6208_DIO_DI_MASK) >> PCI6208_DIO_DI_SHIFT;
143 static int pci6208_do_insn_bits(struct comedi_device *dev,
144 struct comedi_subdevice *s,
145 struct comedi_insn *insn,
148 unsigned int mask = data[0];
149 unsigned int bits = data[1];
153 s->state |= (bits & mask);
155 outw(s->state, dev->iobase + PCI6208_DIO);
163 static const void *pci6208_find_boardinfo(struct comedi_device *dev,
164 struct pci_dev *pcidev)
166 const struct pci6208_board *boardinfo;
169 for (i = 0; i < ARRAY_SIZE(pci6208_boards); i++) {
170 boardinfo = &pci6208_boards[i];
171 if (boardinfo->dev_id == pcidev->device)
177 static int pci6208_auto_attach(struct comedi_device *dev,
178 unsigned long context_unused)
180 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
181 const struct pci6208_board *boardinfo;
182 struct pci6208_private *devpriv;
183 struct comedi_subdevice *s;
187 boardinfo = pci6208_find_boardinfo(dev, pcidev);
190 dev->board_ptr = boardinfo;
191 dev->board_name = boardinfo->name;
193 devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
196 dev->private = devpriv;
198 ret = comedi_pci_enable(pcidev, dev->board_name);
201 dev->iobase = pci_resource_start(pcidev, 2);
203 ret = comedi_alloc_subdevices(dev, 3);
207 s = &dev->subdevices[0];
208 /* analog output subdevice */
209 s->type = COMEDI_SUBD_AO;
210 s->subdev_flags = SDF_WRITABLE;
211 s->n_chan = boardinfo->ao_chans;
213 s->range_table = &range_bipolar10;
214 s->insn_write = pci6208_ao_winsn;
215 s->insn_read = pci6208_ao_rinsn;
217 s = &dev->subdevices[1];
218 /* digital input subdevice */
219 s->type = COMEDI_SUBD_DI;
220 s->subdev_flags = SDF_READABLE;
223 s->range_table = &range_digital;
224 s->insn_bits = pci6208_di_insn_bits;
226 s = &dev->subdevices[2];
227 /* digital output subdevice */
228 s->type = COMEDI_SUBD_DO;
229 s->subdev_flags = SDF_WRITABLE;
232 s->range_table = &range_digital;
233 s->insn_bits = pci6208_do_insn_bits;
236 * Get the read back signals from the digital outputs
237 * and save it as the initial state for the subdevice.
239 val = inw(dev->iobase + PCI6208_DIO);
240 val = (val & PCI6208_DIO_DO_MASK) >> PCI6208_DIO_DO_SHIFT;
244 dev_info(dev->class_dev, "%s: %s, I/O base=0x%04lx\n",
245 dev->driver->driver_name, dev->board_name, dev->iobase);
250 static void pci6208_detach(struct comedi_device *dev)
252 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
256 comedi_pci_disable(pcidev);
260 static struct comedi_driver adl_pci6208_driver = {
261 .driver_name = "adl_pci6208",
262 .module = THIS_MODULE,
263 .auto_attach = pci6208_auto_attach,
264 .detach = pci6208_detach,
267 static int adl_pci6208_pci_probe(struct pci_dev *dev,
268 const struct pci_device_id *ent)
270 return comedi_pci_auto_config(dev, &adl_pci6208_driver);
273 static void __devexit adl_pci6208_pci_remove(struct pci_dev *dev)
275 comedi_pci_auto_unconfig(dev);
278 static DEFINE_PCI_DEVICE_TABLE(adl_pci6208_pci_table) = {
279 { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI6208) },
280 { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI6216) },
283 MODULE_DEVICE_TABLE(pci, adl_pci6208_pci_table);
285 static struct pci_driver adl_pci6208_pci_driver = {
286 .name = "adl_pci6208",
287 .id_table = adl_pci6208_pci_table,
288 .probe = adl_pci6208_pci_probe,
289 .remove = adl_pci6208_pci_remove,
291 module_comedi_pci_driver(adl_pci6208_driver, adl_pci6208_pci_driver);
293 MODULE_AUTHOR("Comedi http://www.comedi.org");
294 MODULE_DESCRIPTION("Comedi low-level driver");
295 MODULE_LICENSE("GPL");