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
   7    2001/08/24 12:13:13 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/*
  23Driver: ni_daq_dio24
  24Description: National Instruments PCMCIA DAQ-Card DIO-24
  25Author: Daniel Vecino Castel <dvecino@able.es>
  26Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
  27Status: ?
  28Updated: Thu, 07 Nov 2002 21:53:06 -0800
  29
  30This is just a wrapper around the 8255.o driver to properly handle
  31the PCMCIA interface.
  32*/
  33
  34#include <linux/module.h>
  35#include "../comedi_pcmcia.h"
  36
  37#include "8255.h"
  38
  39static int dio24_auto_attach(struct comedi_device *dev,
  40                             unsigned long context)
  41{
  42        struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
  43        struct comedi_subdevice *s;
  44        int ret;
  45
  46        link->config_flags |= CONF_AUTO_SET_IO;
  47        ret = comedi_pcmcia_enable(dev, NULL);
  48        if (ret)
  49                return ret;
  50        dev->iobase = link->resource[0]->start;
  51
  52        ret = comedi_alloc_subdevices(dev, 1);
  53        if (ret)
  54                return ret;
  55
  56        /* 8255 dio */
  57        s = &dev->subdevices[0];
  58        return subdev_8255_init(dev, s, NULL, 0x00);
  59}
  60
  61static struct comedi_driver driver_dio24 = {
  62        .driver_name    = "ni_daq_dio24",
  63        .module         = THIS_MODULE,
  64        .auto_attach    = dio24_auto_attach,
  65        .detach         = comedi_pcmcia_disable,
  66};
  67
  68static int dio24_cs_attach(struct pcmcia_device *link)
  69{
  70        return comedi_pcmcia_auto_config(link, &driver_dio24);
  71}
  72
  73static const struct pcmcia_device_id dio24_cs_ids[] = {
  74        PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),        /* daqcard-dio24 */
  75        PCMCIA_DEVICE_NULL
  76};
  77MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
  78
  79static struct pcmcia_driver dio24_cs_driver = {
  80        .name           = "ni_daq_dio24",
  81        .owner          = THIS_MODULE,
  82        .id_table       = dio24_cs_ids,
  83        .probe          = dio24_cs_attach,
  84        .remove         = comedi_pcmcia_auto_unconfig,
  85};
  86module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
  87
  88MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
  89MODULE_DESCRIPTION(
  90        "Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
  91MODULE_LICENSE("GPL");
  92