root/drivers/staging/comedi/drivers/das08_pci.c

DEFINITIONS

1. das08_pci_auto_attach
2. das08_pci_probe

   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  *  das08_pci.c
   4  *  comedi driver for DAS08 PCI boards
   5  *
   6  *  COMEDI - Linux Control and Measurement Device Interface
   7  *  Copyright (C) 2000 David A. Schleef <ds@schleef.org>
   8  *  Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
   9  *  Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
  10  */
  11 
  12 /*
  13  * Driver: das08_pci
  14  * Description: DAS-08 PCI compatible boards
  15  * Devices: [ComputerBoards] PCI-DAS08 (pci-das08)
  16  * Author: Warren Jasper, ds, Frank Hess
  17  * Updated: Fri, 31 Aug 2012 19:19:06 +0100
  18  * Status: works
  19  *
  20  * This is the PCI-specific support split off from the das08 driver.
  21  *
  22  * Configuration Options: not applicable, uses PCI auto config
  23  */
  24 
  25 #include <linux/module.h>
  26 
  27 #include "../comedi_pci.h"
  28 
  29 #include "das08.h"
  30 
  31 static const struct das08_board_struct das08_pci_boards[] = {
  32         {
  33                 .name           = "pci-das08",
  34                 .ai_nbits       = 12,
  35                 .ai_pg          = das08_bipolar5,
  36                 .ai_encoding    = das08_encode12,
  37                 .di_nchan       = 3,
  38                 .do_nchan       = 4,
  39                 .i8254_offset   = 4,
  40                 .iosize         = 8,
  41         },
  42 };
  43 
  44 static int das08_pci_auto_attach(struct comedi_device *dev,
  45                                  unsigned long context_unused)
  46 {
  47         struct pci_dev *pdev = comedi_to_pci_dev(dev);
  48         struct das08_private_struct *devpriv;
  49         int ret;
  50 
  51         devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
  52         if (!devpriv)
  53                 return -ENOMEM;
  54 
  55         /* The das08 driver needs the board_ptr */
  56         dev->board_ptr = &das08_pci_boards[0];
  57 
  58         ret = comedi_pci_enable(dev);
  59         if (ret)
  60                 return ret;
  61         dev->iobase = pci_resource_start(pdev, 2);
  62 
  63         return das08_common_attach(dev, dev->iobase);
  64 }
  65 
  66 static struct comedi_driver das08_pci_comedi_driver = {
  67         .driver_name    = "pci-das08",
  68         .module         = THIS_MODULE,
  69         .auto_attach    = das08_pci_auto_attach,
  70         .detach         = comedi_pci_detach,
  71 };
  72 
  73 static int das08_pci_probe(struct pci_dev *dev,
  74                            const struct pci_device_id *id)
  75 {
  76         return comedi_pci_auto_config(dev, &das08_pci_comedi_driver,
  77                                       id->driver_data);
  78 }
  79 
  80 static const struct pci_device_id das08_pci_table[] = {
  81         { PCI_DEVICE(PCI_VENDOR_ID_CB, 0x0029) },
  82         { 0 }
  83 };
  84 MODULE_DEVICE_TABLE(pci, das08_pci_table);
  85 
  86 static struct pci_driver das08_pci_driver = {
  87         .name           = "pci-das08",
  88         .id_table       = das08_pci_table,
  89         .probe          = das08_pci_probe,
  90         .remove         = comedi_pci_auto_unconfig,
  91 };
  92 module_comedi_pci_driver(das08_pci_comedi_driver, das08_pci_driver);
  93 
  94 MODULE_AUTHOR("Comedi http://www.comedi.org");
  95 MODULE_DESCRIPTION("Comedi low-level driver");
  96 MODULE_LICENSE("GPL");