root/drivers/staging/comedi/drivers/ni_daq_dio24.c

DEFINITIONS

1. dio24_auto_attach
2. dio24_cs_attach

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Comedi 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 
  13 /*
  14  * Driver: ni_daq_dio24
  15  * Description: National Instruments PCMCIA DAQ-Card DIO-24
  16  * Author: Daniel Vecino Castel <dvecino@able.es>
  17  * Devices: [National Instruments] PCMCIA DAQ-Card DIO-24 (ni_daq_dio24)
  18  * Status: ?
  19  * Updated: Thu, 07 Nov 2002 21:53:06 -0800
  20  *
  21  * This is just a wrapper around the 8255.o driver to properly handle
  22  * the PCMCIA interface.
  23  */
  24 
  25 #include <linux/module.h>
  26 #include "../comedi_pcmcia.h"
  27 
  28 #include "8255.h"
  29 
  30 static int dio24_auto_attach(struct comedi_device *dev,
  31                              unsigned long context)
  32 {
  33         struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
  34         struct comedi_subdevice *s;
  35         int ret;
  36 
  37         link->config_flags |= CONF_AUTO_SET_IO;
  38         ret = comedi_pcmcia_enable(dev, NULL);
  39         if (ret)
  40                 return ret;
  41         dev->iobase = link->resource[0]->start;
  42 
  43         ret = comedi_alloc_subdevices(dev, 1);
  44         if (ret)
  45                 return ret;
  46 
  47         /* 8255 dio */
  48         s = &dev->subdevices[0];
  49         return subdev_8255_init(dev, s, NULL, 0x00);
  50 }
  51 
  52 static struct comedi_driver driver_dio24 = {
  53         .driver_name    = "ni_daq_dio24",
  54         .module         = THIS_MODULE,
  55         .auto_attach    = dio24_auto_attach,
  56         .detach         = comedi_pcmcia_disable,
  57 };
  58 
  59 static int dio24_cs_attach(struct pcmcia_device *link)
  60 {
  61         return comedi_pcmcia_auto_config(link, &driver_dio24);
  62 }
  63 
  64 static const struct pcmcia_device_id dio24_cs_ids[] = {
  65         PCMCIA_DEVICE_MANF_CARD(0x010b, 0x475c),        /* daqcard-dio24 */
  66         PCMCIA_DEVICE_NULL
  67 };
  68 MODULE_DEVICE_TABLE(pcmcia, dio24_cs_ids);
  69 
  70 static struct pcmcia_driver dio24_cs_driver = {
  71         .name           = "ni_daq_dio24",
  72         .owner          = THIS_MODULE,
  73         .id_table       = dio24_cs_ids,
  74         .probe          = dio24_cs_attach,
  75         .remove         = comedi_pcmcia_auto_unconfig,
  76 };
  77 module_comedi_pcmcia_driver(driver_dio24, dio24_cs_driver);
  78 
  79 MODULE_AUTHOR("Daniel Vecino Castel <dvecino@able.es>");
  80 MODULE_DESCRIPTION(
  81         "Comedi driver for National Instruments PCMCIA DAQ-Card DIO-24");
  82 MODULE_LICENSE("GPL");