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
das08_pci_auto_attach(struct comedi_device * dev,unsigned long context_unused)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
das08_pci_probe(struct pci_dev * dev,const struct pci_device_id * id)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 https://www.comedi.org");
95 MODULE_DESCRIPTION("Comedi low-level driver");
96 MODULE_LICENSE("GPL");
97