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Linux/drivers/staging/comedi/drivers/ni_daq_dio24.c

  1 /*
  2  * Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24
  3  * Copyright (C) 2002 Daniel Vecino Castel <dvecino@able.es>
  4  *
  5  * PCMCIA crap at end of file is adapted from dummy_cs.c 1.31
  6  * 2001/08/24 12:13:13 from the pcmcia package.
  7  * The initial developer of the pcmcia dummy_cs.c code is David A. Hinds
  8  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  9  * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
 10  *
 11  * This program is free software; you can redistribute it and/or modify
 12  * it under the terms of the GNU General Public License as published by
 13  * the Free Software Foundation; either version 2 of the License, or
 14  * (at your option) any later version.
 15  *
 16  * This program is distributed in the hope that it will be useful,
 17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
 18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 19  * GNU General Public License for more details.
 20  */
 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 <linux/module.h>
 35 #include "../comedi_pcmcia.h"
 36 
 37 #include "8255.h"
 38 
 39 static 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 
 61 static 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 
 68 static int dio24_cs_attach(struct pcmcia_device *link)
 69 {
 70         return comedi_pcmcia_auto_config(link, &driver_dio24);
 71 }
 72 
 73 static const struct pcmcia_device_id dio24_cs_ids[] = {
 74         PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),        /* daqcard-dio24 */
 75         PCMCIA_DEVICE_NULL
 76 };
 77 MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
 78 
 79 static 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 };
 86 module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
 87 
 88 MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
 89 MODULE_DESCRIPTION(
 90         "Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
 91 MODULE_LICENSE("GPL");
 92 

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