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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:
[0] - PCI bus of device (optional)
[1] - PCI slot of device (optional)
If bus/slot is not specified, the first supported
PCI device found will be used.
*/
#include "../comedidev.h"
#include "comedi_pci.h"
enum contec_model {
PIO1616L = 0,
};
struct contec_board {
const char *name;
int model;
int in_ports;
int out_ports;
int in_offs;
int out_offs;
int out_boffs;
};
static const struct contec_board contec_boards[] = {
{"PIO1616L", PIO1616L, 16, 16, 0, 2, 10},
};
#define PCI_DEVICE_ID_PIO1616L 0x8172
static DEFINE_PCI_DEVICE_TABLE(contec_pci_table) = {
{
PCI_VENDOR_ID_CONTEC, PCI_DEVICE_ID_PIO1616L, PCI_ANY_ID,
PCI_ANY_ID, 0, 0, PIO1616L}, {
0}
};
MODULE_DEVICE_TABLE(pci, contec_pci_table);
#define thisboard ((const struct contec_board *)dev->board_ptr)
struct contec_private {
int data;
struct pci_dev *pci_dev;
};
#define devpriv ((struct contec_private *)dev->private)
static int contec_attach(struct comedi_device *dev,
struct comedi_devconfig *it);
static int contec_detach(struct comedi_device *dev);
static struct comedi_driver driver_contec = {
.driver_name = "contec_pci_dio",
.module = THIS_MODULE,
.attach = contec_attach,
.detach = contec_detach,
};
/* Classic digital IO */
static int contec_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
static int contec_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data);
#if 0
static int contec_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_cmd *cmd);
static int contec_ns_to_timer(unsigned int *ns, int round);
#endif
static int contec_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
struct pci_dev *pcidev = NULL;
struct comedi_subdevice *s;
printk("comedi%d: contec: ", dev->minor);
dev->board_name = thisboard->name;
if (alloc_private(dev, sizeof(struct contec_private)) < 0)
return -ENOMEM;
if (alloc_subdevices(dev, 2) < 0)
return -ENOMEM;
for_each_pci_dev(pcidev) {
if (pcidev->vendor == PCI_VENDOR_ID_CONTEC &&
pcidev->device == PCI_DEVICE_ID_PIO1616L) {
if (it->options[0] || it->options[1]) {
/* Check bus and slot. */
if (it->options[0] != pcidev->bus->number ||
it->options[1] != PCI_SLOT(pcidev->devfn)) {
continue;
}
}
devpriv->pci_dev = pcidev;
if (comedi_pci_enable(pcidev, "contec_pci_dio")) {
printk
("error enabling PCI device and request regions!\n");
return -EIO;
}
dev->iobase = pci_resource_start(pcidev, 0);
printk(" base addr %lx ", dev->iobase);
dev->board_ptr = contec_boards + 0;
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;
printk("attached\n");
return 1;
}
}
printk("card not present!\n");
return -EIO;
}
static int contec_detach(struct comedi_device *dev)
{
printk("comedi%d: contec: remove\n", dev->minor);
if (devpriv && devpriv->pci_dev) {
if (dev->iobase)
comedi_pci_disable(devpriv->pci_dev);
pci_dev_put(devpriv->pci_dev);
}
return 0;
}
#if 0
static int contec_cmdtest(struct comedi_device *dev, struct comedi_subdevice *s,
struct comedi_cmd *cmd)
{
printk("contec_cmdtest called\n");
return 0;
}
static int contec_ns_to_timer(unsigned int *ns, int round)
{
return *ns;
}
#endif
static int contec_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
printk("contec_do_insn_bits called\n");
printk(" data: %d %d\n", data[0], data[1]);
if (insn->n != 2)
return -EINVAL;
if (data[0]) {
s->state &= ~data[0];
s->state |= data[0] & data[1];
printk(" out: %d on %lx\n", s->state,
dev->iobase + thisboard->out_offs);
outw(s->state, dev->iobase + thisboard->out_offs);
}
return 2;
}
static int contec_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn, unsigned int *data)
{
printk("contec_di_insn_bits called\n");
printk(" data: %d %d\n", data[0], data[1]);
if (insn->n != 2)
return -EINVAL;
data[1] = inw(dev->iobase + thisboard->in_offs);
return 2;
}
static int __devinit driver_contec_pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
return comedi_pci_auto_config(dev, driver_contec.driver_name);
}
static void __devexit driver_contec_pci_remove(struct pci_dev *dev)
{
comedi_pci_auto_unconfig(dev);
}
static struct pci_driver driver_contec_pci_driver = {
.id_table = contec_pci_table,
.probe = &driver_contec_pci_probe,
.remove = __devexit_p(&driver_contec_pci_remove)
};
static int __init driver_contec_init_module(void)
{
int retval;
retval = comedi_driver_register(&driver_contec);
if (retval < 0)
return retval;
driver_contec_pci_driver.name = (char *)driver_contec.driver_name;
return pci_register_driver(&driver_contec_pci_driver);
}
static void __exit driver_contec_cleanup_module(void)
{
pci_unregister_driver(&driver_contec_pci_driver);
comedi_driver_unregister(&driver_contec);
}
module_init(driver_contec_init_module);
module_exit(driver_contec_cleanup_module);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
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