root/drivers/staging/comedi/drivers/das08_cs.c

DEFINITIONS

1. das08_cs_auto_attach
2. das08_pcmcia_attach

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Comedi driver for DAS008 PCMCIA boards
   4  *
   5  * COMEDI - Linux Control and Measurement Device Interface
   6  * Copyright (C) 2000 David A. Schleef <ds@schleef.org>
   7  * Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
   8  *
   9  * PCMCIA support code for this driver is adapted from the dummy_cs.c
  10  * driver of the Linux PCMCIA Card Services package.
  11  *
  12  * The initial developer of the original code is David A. Hinds
  13  * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
  14  * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
  15  */
  16 
  17 /*
  18  * Driver: das08_cs
  19  * Description: DAS-08 PCMCIA boards
  20  * Author: Warren Jasper, ds, Frank Hess
  21  * Devices: [ComputerBoards] PCM-DAS08 (pcm-das08)
  22  * Status: works
  23  *
  24  * This is the PCMCIA-specific support split off from the
  25  * das08 driver.
  26  *
  27  * Configuration Options: none, uses PCMCIA auto config
  28  *
  29  * Command support does not exist, but could be added for this board.
  30  */
  31 
  32 #include <linux/module.h>
  33 
  34 #include "../comedi_pcmcia.h"
  35 
  36 #include "das08.h"
  37 
  38 static const struct das08_board_struct das08_cs_boards[] = {
  39         {
  40                 .name           = "pcm-das08",
  41                 .ai_nbits       = 12,
  42                 .ai_pg          = das08_bipolar5,
  43                 .ai_encoding    = das08_pcm_encode12,
  44                 .di_nchan       = 3,
  45                 .do_nchan       = 3,
  46                 .iosize         = 16,
  47         },
  48 };
  49 
  50 static int das08_cs_auto_attach(struct comedi_device *dev,
  51                                 unsigned long context)
  52 {
  53         struct pcmcia_device *link = comedi_to_pcmcia_dev(dev);
  54         struct das08_private_struct *devpriv;
  55         unsigned long iobase;
  56         int ret;
  57 
  58         /* The das08 driver needs the board_ptr */
  59         dev->board_ptr = &das08_cs_boards[0];
  60 
  61         link->config_flags |= CONF_AUTO_SET_IO;
  62         ret = comedi_pcmcia_enable(dev, NULL);
  63         if (ret)
  64                 return ret;
  65         iobase = link->resource[0]->start;
  66 
  67         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
  68         if (!devpriv)
  69                 return -ENOMEM;
  70 
  71         return das08_common_attach(dev, iobase);
  72 }
  73 
  74 static struct comedi_driver driver_das08_cs = {
  75         .driver_name    = "das08_cs",
  76         .module         = THIS_MODULE,
  77         .auto_attach    = das08_cs_auto_attach,
  78         .detach         = comedi_pcmcia_disable,
  79 };
  80 
  81 static int das08_pcmcia_attach(struct pcmcia_device *link)
  82 {
  83         return comedi_pcmcia_auto_config(link, &driver_das08_cs);
  84 }
  85 
  86 static const struct pcmcia_device_id das08_cs_id_table[] = {
  87         PCMCIA_DEVICE_MANF_CARD(0x01c5, 0x4001),
  88         PCMCIA_DEVICE_NULL
  89 };
  90 MODULE_DEVICE_TABLE(pcmcia, das08_cs_id_table);
  91 
  92 static struct pcmcia_driver das08_cs_driver = {
  93         .name           = "pcm-das08",
  94         .owner          = THIS_MODULE,
  95         .id_table       = das08_cs_id_table,
  96         .probe          = das08_pcmcia_attach,
  97         .remove         = comedi_pcmcia_auto_unconfig,
  98 };
  99 module_comedi_pcmcia_driver(driver_das08_cs, das08_cs_driver);
 100 
 101 MODULE_AUTHOR("David A. Schleef <ds@schleef.org>");
 102 MODULE_AUTHOR("Frank Mori Hess <fmhess@users.sourceforge.net>");
 103 MODULE_DESCRIPTION("Comedi driver for ComputerBoards DAS-08 PCMCIA boards");
 104 MODULE_LICENSE("GPL");