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/*
* addi_apci_2200.c
* Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
* Project manager: Eric Stolz
*
* ADDI-DATA GmbH
* Dieselstrasse 3
* D-77833 Ottersweier
* Tel: +19(0)7223/9493-0
* Fax: +49(0)7223/9493-92
* http://www.addi-data.com
* info@addi-data.com
*
* 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.
*/
#include <linux/module.h>
#include "../comedi_pci.h"
#include "addi_watchdog.h"
/*
* I/O Register Map
*/
#define APCI2200_DI_REG 0x00
#define APCI2200_DO_REG 0x04
#define APCI2200_WDOG_REG 0x08
static int apci2200_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
data[1] = inw(dev->iobase + APCI2200_DI_REG);
return insn->n;
}
static int apci2200_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
s->state = inw(dev->iobase + APCI2200_DO_REG);
if (comedi_dio_update_state(s, data))
outw(s->state, dev->iobase + APCI2200_DO_REG);
data[1] = s->state;
return insn->n;
}
static int apci2200_reset(struct comedi_device *dev)
{
outw(0x0, dev->iobase + APCI2200_DO_REG);
addi_watchdog_reset(dev->iobase + APCI2200_WDOG_REG);
return 0;
}
static int apci2200_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, 1);
ret = comedi_alloc_subdevices(dev, 3);
if (ret)
return ret;
/* Initialize the digital input subdevice */
s = &dev->subdevices[0];
s->type = COMEDI_SUBD_DI;
s->subdev_flags = SDF_READABLE;
s->n_chan = 8;
s->maxdata = 1;
s->range_table = &range_digital;
s->insn_bits = apci2200_di_insn_bits;
/* Initialize the digital output subdevice */
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 = apci2200_do_insn_bits;
/* Initialize the watchdog subdevice */
s = &dev->subdevices[2];
ret = addi_watchdog_init(s, dev->iobase + APCI2200_WDOG_REG);
if (ret)
return ret;
apci2200_reset(dev);
return 0;
}
static void apci2200_detach(struct comedi_device *dev)
{
if (dev->iobase)
apci2200_reset(dev);
comedi_pci_detach(dev);
}
static struct comedi_driver apci2200_driver = {
.driver_name = "addi_apci_2200",
.module = THIS_MODULE,
.auto_attach = apci2200_auto_attach,
.detach = apci2200_detach,
};
static int apci2200_pci_probe(struct pci_dev *dev,
const struct pci_device_id *id)
{
return comedi_pci_auto_config(dev, &apci2200_driver, id->driver_data);
}
static const struct pci_device_id apci2200_pci_table[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1005) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, apci2200_pci_table);
static struct pci_driver apci2200_pci_driver = {
.name = "addi_apci_2200",
.id_table = apci2200_pci_table,
.probe = apci2200_pci_probe,
.remove = comedi_pci_auto_unconfig,
};
module_comedi_pci_driver(apci2200_driver, apci2200_pci_driver);
MODULE_DESCRIPTION("ADDI-DATA APCI-2200 Relay board, optically isolated");
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_LICENSE("GPL");
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