Skip to content
Permalink
Branch: master
Find file Copy path
Find file Copy path
Fetching contributors…
Cannot retrieve contributors at this time
118 lines (97 sloc) 2.79 KB
// SPDX-License-Identifier: GPL-2.0+
/*
* comedi/drivers/contec_pci_dio.c
*
* COMEDI - Linux Control and Measurement Device Interface
* Copyright (C) 2000 David A. Schleef <ds@schleef.org>
*/
/*
* Driver: contec_pci_dio
* Description: Contec PIO1616L digital I/O board
* Devices: [Contec] PIO1616L (contec_pci_dio)
* Author: Stefano Rivoir <s.rivoir@gts.it>
* Updated: Wed, 27 Jun 2007 13:00:06 +0100
* Status: works
*
* Configuration Options: not applicable, uses comedi PCI auto config
*/
#include <linux/module.h>
#include "../comedi_pci.h"
/*
* Register map
*/
#define PIO1616L_DI_REG 0x00
#define PIO1616L_DO_REG 0x02
static int contec_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
if (comedi_dio_update_state(s, data))
outw(s->state, dev->iobase + PIO1616L_DO_REG);
data[1] = s->state;
return insn->n;
}
static int contec_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
data[1] = inw(dev->iobase + PIO1616L_DI_REG);
return insn->n;
}
static int contec_auto_attach(struct comedi_device *dev,
unsigned long context_unused)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
struct comedi_subdevice *s;
int ret;
ret = comedi_pci_enable(dev);
if (ret)
return ret;
dev->iobase = pci_resource_start(pcidev, 0);
ret = comedi_alloc_subdevices(dev, 2);
if (ret)
return ret;
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = 16;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = contec_di_insn_bits;
s = &dev->subdevices[1];
s->type = COMEDI_SUBD_DO;
s->subdev_flags = SDF_WRITABLE;
s->n_chan = 16;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = contec_do_insn_bits;
return 0;
}
static struct comedi_driver contec_pci_dio_driver = {
.driver_name = "contec_pci_dio",
.module = THIS_MODULE,
.auto_attach = contec_auto_attach,
.detach = comedi_pci_detach,
};
static int contec_pci_dio_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
return comedi_pci_auto_config(dev, &contec_pci_dio_driver,
id->driver_data);
}
static const struct pci_device_id contec_pci_dio_pci_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_CONTEC, 0x8172) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, contec_pci_dio_pci_table);
static struct pci_driver contec_pci_dio_pci_driver = {
.name = "contec_pci_dio",
.id_table = contec_pci_dio_pci_table,
.probe = contec_pci_dio_pci_probe,
.remove = comedi_pci_auto_unconfig,
};
module_comedi_pci_driver(contec_pci_dio_driver, contec_pci_dio_pci_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
You can’t perform that action at this time.