drivers/staging/comedi/drivers/das08_pci.c

   1 /*
   2  *  das08_pci.c
   3  *  comedi driver for DAS08 PCI 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  *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
   9  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 2 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  */
  20
  21 /*
  22  * Driver: das08_pci
  23  * Description: DAS-08 PCI compatible boards
  24  * Devices: [ComputerBoards] PCI-DAS08 (pci-das08)
  25  * Author: Warren Jasper, ds, Frank Hess
  26  * Updated: Fri, 31 Aug 2012 19:19:06 +0100
  27  * Status: works
  28  *
  29  * This is the PCI-specific support split off from the das08 driver.
  30  *
  31  * Configuration Options: not applicable, uses PCI auto config
  32  */
  33
  34 #include <linux/module.h>
  35
  36 #include "../comedi_pci.h"
  37
  38 #include "das08.h"
  39
  40 static const struct das08_board_struct das08_pci_boards[] = {
  41         {
  42                 .name           = "pci-das08",
  43                 .ai_nbits       = 12,
  44                 .ai_pg          = das08_bipolar5,
  45                 .ai_encoding    = das08_encode12,
  46                 .di_nchan       = 3,
  47                 .do_nchan       = 4,
  48                 .i8254_offset   = 4,
  49                 .iosize         = 8,
  50         },
  51 };
  52
  53 static int das08_pci_auto_attach(struct comedi_device *dev,
  54                                  unsigned long context_unused)
  55 {
  56         struct pci_dev *pdev = comedi_to_pci_dev(dev);
  57         struct das08_private_struct *devpriv;
  58         int ret;
  59
  60         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
  61         if (!devpriv)
  62                 return -ENOMEM;
  63
  64         /* The das08 driver needs the board_ptr */
  65         dev->board_ptr = &das08_pci_boards[0];
  66
  67         ret = comedi_pci_enable(dev);
  68         if (ret)
  69                 return ret;
  70         dev->iobase = pci_resource_start(pdev, 2);
  71
  72         return das08_common_attach(dev, dev->iobase);
  73 }
  74
  75 static struct comedi_driver das08_pci_comedi_driver = {
  76         .driver_name    = "pci-das08",
  77         .module         = THIS_MODULE,
  78         .auto_attach    = das08_pci_auto_attach,
  79         .detach         = comedi_pci_detach,
  80 };
  81
  82 static int das08_pci_probe(struct pci_dev *dev,
  83                            const struct pci_device_id *id)
  84 {
  85         return comedi_pci_auto_config(dev, &das08_pci_comedi_driver,
  86                                       id->driver_data);
  87 }
  88
  89 static const struct pci_device_id das08_pci_table[] = {
  90         { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0029) },
  91         { 0 }
  92 };
  93 MODULE_DEVICE_TABLE(pci, das08_pci_table);
  94
  95 static struct pci_driver das08_pci_driver = {
  96         .name           = "pci-das08",
  97         .id_table       = das08_pci_table,
  98         .probe          = das08_pci_probe,
  99         .remove         = comedi_pci_auto_unconfig,
 100 };
 101 module_comedi_pci_driver(das08_pci_comedi_driver, das08_pci_driver);
 102
 103 MODULE_AUTHOR("Comedi http://www.comedi.org");
 104 MODULE_DESCRIPTION("Comedi low-level driver");
 105 MODULE_LICENSE("GPL");