linux/drivers/staging/comedi/drivers/das08_pci.c
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   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#include <linux/pci.h>
  36
  37#include "../comedidev.h"
  38
  39#include "das08.h"
  40
  41static const struct das08_board_struct das08_pci_boards[] = {
  42        {
  43                .name           = "pci-das08",
  44                .ai_nbits       = 12,
  45                .ai_pg          = das08_bipolar5,
  46                .ai_encoding    = das08_encode12,
  47                .di_nchan       = 3,
  48                .do_nchan       = 4,
  49                .i8254_offset   = 4,
  50                .iosize         = 8,
  51        },
  52};
  53
  54static int das08_pci_auto_attach(struct comedi_device *dev,
  55                                 unsigned long context_unused)
  56{
  57        struct pci_dev *pdev = comedi_to_pci_dev(dev);
  58        struct das08_private_struct *devpriv;
  59        int ret;
  60
  61        devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
  62        if (!devpriv)
  63                return -ENOMEM;
  64
  65        /* The das08 driver needs the board_ptr */
  66        dev->board_ptr = &das08_pci_boards[0];
  67
  68        ret = comedi_pci_enable(dev);
  69        if (ret)
  70                return ret;
  71        dev->iobase = pci_resource_start(pdev, 2);
  72
  73        return das08_common_attach(dev, dev->iobase);
  74}
  75
  76static struct comedi_driver das08_pci_comedi_driver = {
  77        .driver_name    = "pci-das08",
  78        .module         = THIS_MODULE,
  79        .auto_attach    = das08_pci_auto_attach,
  80        .detach         = comedi_pci_detach,
  81};
  82
  83static int das08_pci_probe(struct pci_dev *dev,
  84                           const struct pci_device_id *id)
  85{
  86        return comedi_pci_auto_config(dev, &das08_pci_comedi_driver,
  87                                      id->driver_data);
  88}
  89
  90static const struct pci_device_id das08_pci_table[] = {
  91        { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0029) },
  92        { 0 }
  93};
  94MODULE_DEVICE_TABLE(pci, das08_pci_table);
  95
  96static struct pci_driver das08_pci_driver = {
  97        .name           = "pci-das08",
  98        .id_table       = das08_pci_table,
  99        .probe          = das08_pci_probe,
 100        .remove         = comedi_pci_auto_unconfig,
 101};
 102module_comedi_pci_driver(das08_pci_comedi_driver, das08_pci_driver);
 103
 104MODULE_AUTHOR("Comedi http://www.comedi.org");
 105MODULE_DESCRIPTION("Comedi low-level driver");
 106MODULE_LICENSE("GPL");
 107
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