drivers/staging/comedi/drivers/ni_daq_dio24.c

   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 /*
  23 Driver: ni_daq_dio24
  24 Description: National Instruments PCMCIA DAQ-Card DIO-24
  25 Author: Daniel Vecino Castel <dvecino@able.es>
  26 Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
  27 Status: ?
  28 Updated: Thu, 07 Nov 2002 21:53:06 -0800
  29
  30 This is just a wrapper around the 8255.o driver to properly handle
  31 the PCMCIA interface.
  32 */
  33
  34 #include "../comedidev.h"
  35
  36 #include <pcmcia/cistpl.h>
  37 #include <pcmcia/cisreg.h>
  38 #include <pcmcia/ds.h>
  39
  40 #include "8255.h"
  41
  42 static int dio24_auto_attach(struct comedi_device *dev,
  43                              unsigned long context)
  44 {
  45         struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
  46         struct comedi_subdevice *s;
  47         int ret;
  48
  49         link->config_flags |= CONF_AUTO_SET_IO;
  50         ret = comedi_pcmcia_enable(dev, NULL);
  51         if (ret)
  52                 return ret;
  53         dev->iobase = link->resource[0]->start;
  54
  55         ret = comedi_alloc_subdevices(dev, 1);
  56         if (ret)
  57                 return ret;
  58
  59         /* 8255 dio */
  60         s = &dev->subdevices[0];
  61         ret = subdev_8255_init(dev, s, NULL, dev->iobase);
  62         if (ret)
  63                 return ret;
  64
  65         return 0;
  66 }
  67
  68 static struct comedi_driver driver_dio24 = {
  69         .driver_name    = "ni_daq_dio24",
  70         .module         = THIS_MODULE,
  71         .auto_attach    = dio24_auto_attach,
  72         .detach         = comedi_pcmcia_disable,
  73 };
  74
  75 static int dio24_cs_attach(struct pcmcia_device *link)
  76 {
  77         return comedi_pcmcia_auto_config(link, &driver_dio24);
  78 }
  79
  80 static const struct pcmcia_device_id dio24_cs_ids[] = {
  81         PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),        /* daqcard-dio24 */
  82         PCMCIA_DEVICE_NULL
  83 };
  84 MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
  85
  86 static struct pcmcia_driver dio24_cs_driver = {
  87         .name           = "ni_daq_dio24",
  88         .owner          = THIS_MODULE,
  89         .id_table       = dio24_cs_ids,
  90         .probe          = dio24_cs_attach,
  91         .remove         = comedi_pcmcia_auto_unconfig,
  92 };
  93 module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
  94
  95 MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
  96 MODULE_DESCRIPTION(
  97         "Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
  98 MODULE_LICENSE("GPL");