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/*
comedi/drivers/ni_daq_dio24.c
Driver for National Instruments PCMCIA DAQ-Card DIO-24
Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es>
PCMCIA crap at end of file is adapted from dummy_cs.c 1.31 2001/08/24 12:13:13
from the pcmcia package.
The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
<dahinds@users.sourceforge.net>. Portions created by David A. Hinds
are Copyright (C) 1999 David A. Hinds. All Rights Reserved.
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: ni_daq_dio24
Description: National Instruments PCMCIA DAQ-Card DIO-24
Author: Daniel Vecino Castel <dvecino@able.es>
Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
Status: ?
Updated: Thu, 07 Nov 2002 21:53:06 -0800
This is just a wrapper around the 8255.o driver to properly handle
the PCMCIA interface.
*/
#include <linux/interrupt.h>
#include <linux/slab.h>
#include "../comedidev.h"
#include <linux/ioport.h>
#include "8255.h"
#include <pcmcia/cistpl.h>
#include <pcmcia/cisreg.h>
#include <pcmcia/ds.h>
static int dio24_pcmcia_config_loop(struct pcmcia_device *p_dev,
void *priv_data)
{
if (p_dev->config_index == 0)
return -EINVAL;
return pcmcia_request_io(p_dev);
}
static int dio24_auto_attach(struct comedi_device *dev,
unsigned long context)
{
struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
struct comedi_subdevice *s;
int ret;
dev->board_name = dev->driver->driver_name;
link->config_flags |= CONF_ENABLE_IRQ | CONF_AUTO_AUDIO |
CONF_AUTO_SET_IO;
ret = pcmcia_loop_config(link, dio24_pcmcia_config_loop, NULL);
if (ret)
return ret;
ret = pcmcia_enable_device(link);
if (ret)
return ret;
dev->iobase = link->resource[0]->start;
ret = comedi_alloc_subdevices(dev, 1);
if (ret)
return ret;
/* 8255 dio */
s = &dev->subdevices[0];
ret = subdev_8255_init(dev, s, NULL, dev->iobase);
if (ret)
return ret;
return 0;
}
static void dio24_detach(struct comedi_device *dev)
{
struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
if (dev->subdevices)
subdev_8255_cleanup(dev, &dev->subdevices[0]);
if (dev->iobase)
pcmcia_disable_device(link);
}
static struct comedi_driver driver_dio24 = {
.driver_name = "ni_daq_dio24",
.module = THIS_MODULE,
.auto_attach = dio24_auto_attach,
.detach = dio24_detach,
};
static int dio24_cs_attach(struct pcmcia_device *link)
{
return comedi_pcmcia_auto_config(link, &driver_dio24);
}
static const struct pcmcia_device_id dio24_cs_ids[] = {
PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c), /* daqcard-dio24 */
PCMCIA_DEVICE_NULL
};
MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
static struct pcmcia_driver dio24_cs_driver = {
.name = "ni_daq_dio24",
.owner = THIS_MODULE,
.id_table = dio24_cs_ids,
.probe = dio24_cs_attach,
.remove = comedi_pcmcia_auto_unconfig,
};
module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
MODULE_DESCRIPTION(
"Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
MODULE_LICENSE("GPL");
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