LXR linux/drivers/staging/comedi/drivers/ni_daq

   1/*
   2    comedi/drivers/ni_daq_dio24.c
   3    Driver for National Instruments PCMCIA DAQ-Card DIO-24
   4    Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es>
   5
   6    PCMCIA crap at end of file is adapted from dummy_cs.c 1.31 2001/08/24 12:13:13
   7    from the pcmcia package.
   8    The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
   9    <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  10    are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  11
  12    This program is free software; you can redistribute it and/or modify
  13    it under the terms of the GNU General Public License as published by
  14    the Free Software Foundation; either version 2 of the License, or
  15    (at your option) any later version.
  16
  17    This program is distributed in the hope that it will be useful,
  18    but WITHOUT ANY WARRANTY; without even the implied warranty of
  19    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  20    GNU General Public License for more details.
  21
  22    You should have received a copy of the GNU General Public License
  23    along with this program; if not, write to the Free Software
  24    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  25
  26************************************************************************
  27*/
  28/*
  29Driver: ni_daq_dio24
  30Description: National Instruments PCMCIA DAQ-Card DIO-24
  31Author: Daniel Vecino Castel <dvecino@able.es>
  32Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
  33Status: ?
  34Updated: Thu, 07 Nov 2002 21:53:06 -0800
  35
  36This is just a wrapper around the 8255.o driver to properly handle
  37the PCMCIA interface.
  38*/
  39
  40#include "../comedidev.h"
  41
  42#include <pcmcia/cistpl.h>
  43#include <pcmcia/cisreg.h>
  44#include <pcmcia/ds.h>
  45
  46#include "8255.h"
  47
  48static int dio24_auto_attach(struct comedi_device *dev,
  49                             unsigned long context)
  50{
  51        struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
  52        struct comedi_subdevice *s;
  53        int ret;
  54
  55        link->config_flags |= CONF_AUTO_SET_IO;
  56        ret = comedi_pcmcia_enable(dev, NULL);
  57        if (ret)
  58                return ret;
  59        dev->iobase = link->resource[0]->start;
  60
  61        ret = comedi_alloc_subdevices(dev, 1);
  62        if (ret)
  63                return ret;
  64
  65        /* 8255 dio */
  66        s = &dev->subdevices[0];
  67        ret = subdev_8255_init(dev, s, NULL, dev->iobase);
  68        if (ret)
  69                return ret;
  70
  71        return 0;
  72}
  73
  74static void dio24_detach(struct comedi_device *dev)
  75{
  76        comedi_spriv_free(dev, 0);
  77        comedi_pcmcia_disable(dev);
  78}
  79
  80static struct comedi_driver driver_dio24 = {
  81        .driver_name    = "ni_daq_dio24",
  82        .module         = THIS_MODULE,
  83        .auto_attach    = dio24_auto_attach,
  84        .detach         = dio24_detach,
  85};
  86
  87static int dio24_cs_attach(struct pcmcia_device *link)
  88{
  89        return comedi_pcmcia_auto_config(link, &driver_dio24);
  90}
  91
  92static const struct pcmcia_device_id dio24_cs_ids[] = {
  93        PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),        /* daqcard-dio24 */
  94        PCMCIA_DEVICE_NULL
  95};
  96MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
  97
  98static struct pcmcia_driver dio24_cs_driver = {
  99        .name           = "ni_daq_dio24",
 100        .owner          = THIS_MODULE,
 101        .id_table       = dio24_cs_ids,
 102        .probe          = dio24_cs_attach,
 103        .remove         = comedi_pcmcia_auto_unconfig,
 104};
 105module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
 106
 107MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
 108MODULE_DESCRIPTION(
 109        "Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
 110MODULE_LICENSE("GPL");
 111