2 comedi/drivers/contec_pci_dio.c
4 COMEDI - Linux Control and Measurement Device Interface
5 Copyright (C) 2000 David A. Schleef <ds@schleef.org>
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
18 Driver: contec_pci_dio
19 Description: Contec PIO1616L digital I/O board
20 Devices: [Contec] PIO1616L (contec_pci_dio)
21 Author: Stefano Rivoir <s.rivoir@gts.it>
22 Updated: Wed, 27 Jun 2007 13:00:06 +0100
25 Configuration Options: not applicable, uses comedi PCI auto config
28 #include <linux/module.h>
29 #include <linux/pci.h>
31 #include "../comedidev.h"
33 #define PCI_DEVICE_ID_PIO1616L 0x8172
38 #define PIO1616L_DI_REG 0x00
39 #define PIO1616L_DO_REG 0x02
41 static int contec_do_insn_bits(struct comedi_device *dev,
42 struct comedi_subdevice *s,
43 struct comedi_insn *insn, unsigned int *data)
45 unsigned int mask = data[0];
46 unsigned int bits = data[1];
50 s->state |= (bits & mask);
52 outw(s->state, dev->iobase + PIO1616L_DO_REG);
60 static int contec_di_insn_bits(struct comedi_device *dev,
61 struct comedi_subdevice *s,
62 struct comedi_insn *insn, unsigned int *data)
64 data[1] = inw(dev->iobase + PIO1616L_DI_REG);
69 static int contec_auto_attach(struct comedi_device *dev,
70 unsigned long context_unused)
72 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
73 struct comedi_subdevice *s;
76 ret = comedi_pci_enable(dev);
79 dev->iobase = pci_resource_start(pcidev, 0);
81 ret = comedi_alloc_subdevices(dev, 2);
85 s = &dev->subdevices[0];
86 s->type = COMEDI_SUBD_DI;
87 s->subdev_flags = SDF_READABLE;
90 s->range_table = &range_digital;
91 s->insn_bits = contec_di_insn_bits;
93 s = &dev->subdevices[1];
94 s->type = COMEDI_SUBD_DO;
95 s->subdev_flags = SDF_WRITABLE;
98 s->range_table = &range_digital;
99 s->insn_bits = contec_do_insn_bits;
101 dev_info(dev->class_dev, "%s attached\n", dev->board_name);
106 static struct comedi_driver contec_pci_dio_driver = {
107 .driver_name = "contec_pci_dio",
108 .module = THIS_MODULE,
109 .auto_attach = contec_auto_attach,
110 .detach = comedi_pci_disable,
113 static int contec_pci_dio_pci_probe(struct pci_dev *dev,
114 const struct pci_device_id *id)
116 return comedi_pci_auto_config(dev, &contec_pci_dio_driver,
120 static DEFINE_PCI_DEVICE_TABLE(contec_pci_dio_pci_table) = {
121 { PCI_DEVICE(PCI_VENDOR_ID_CONTEC, PCI_DEVICE_ID_PIO1616L) },
124 MODULE_DEVICE_TABLE(pci, contec_pci_dio_pci_table);
126 static struct pci_driver contec_pci_dio_pci_driver = {
127 .name = "contec_pci_dio",
128 .id_table = contec_pci_dio_pci_table,
129 .probe = contec_pci_dio_pci_probe,
130 .remove = comedi_pci_auto_unconfig,
132 module_comedi_pci_driver(contec_pci_dio_driver, contec_pci_dio_pci_driver);
134 MODULE_AUTHOR("Comedi http://www.comedi.org");
135 MODULE_DESCRIPTION("Comedi low-level driver");
136 MODULE_LICENSE("GPL");