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/*
comedi/drivers/contec_pci_dio.c
COMEDI - Linux Control and Measurement Device Interface
Copyright (C) 2000 David A. Schleef <ds@schleef.org>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
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 "../comedidev.h"
#define PCI_DEVICE_ID_PIO1616L 0x8172
/*
* 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)
{
unsigned int mask = data[0];
unsigned int bits = data[1];
if (mask) {
s->state &= ~mask;
s->state |= (bits & mask);
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_attach_pci(struct comedi_device *dev,
struct pci_dev *pcidev)
{
struct comedi_subdevice *s;
int ret;
comedi_set_hw_dev(dev, &pcidev->dev);
dev->board_name = dev->driver->driver_name;
ret = comedi_pci_enable(pcidev, dev->board_name);
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;
dev_info(dev->class_dev, "%s attached\n", dev->board_name);
return 0;
}
static void contec_detach(struct comedi_device *dev)
{
struct pci_dev *pcidev = comedi_to_pci_dev(dev);
if (pcidev) {
if (dev->iobase)
comedi_pci_disable(pcidev);
}
}
static struct comedi_driver contec_pci_dio_driver = {
.driver_name = "contec_pci_dio",
.module = THIS_MODULE,
.attach_pci = contec_attach_pci,
.detach = contec_detach,
};
static int __devinit contec_pci_dio_pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
return comedi_pci_auto_config(dev, &contec_pci_dio_driver);
}
static void __devexit contec_pci_dio_pci_remove(struct pci_dev *dev)
{
comedi_pci_auto_unconfig(dev);
}
static DEFINE_PCI_DEVICE_TABLE(contec_pci_dio_pci_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_CONTEC, PCI_DEVICE_ID_PIO1616L) },
{ 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 = __devexit_p(contec_pci_dio_pci_remove),
};
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");
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