2 * comedi/drivers/ni_labpc_pci.c
3 * Driver for National Instruments Lab-PC PCI-1200
4 * Copyright (C) 2001, 2002, 2003 Frank Mori Hess <fmhess@users.sourceforge.net>
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
18 * Driver: ni_labpc_pci
19 * Description: National Instruments Lab-PC PCI-1200
20 * Devices: (National Instruments) PCI-1200 [ni_pci-1200]
21 * Author: Frank Mori Hess <fmhess@users.sourceforge.net>
24 * This is the PCI-specific support split off from the ni_labpc driver.
26 * Configuration Options: not applicable, uses PCI auto config
32 #include <linux/module.h>
33 #include <linux/interrupt.h>
34 #include <linux/pci.h>
36 #include "../comedidev.h"
40 enum labpc_pci_boardid {
44 static const struct labpc_boardinfo labpc_pci_boards[] = {
45 [BOARD_NI_PCI1200] = {
46 .name = "ni_pci-1200",
54 /* ripped from mite.h and mite_setup2() to avoid mite dependancy */
55 #define MITE_IODWBSR 0xc0 /* IO Device Window Base Size Register */
56 #define WENAB (1 << 7) /* window enable */
58 static int labpc_pci_mite_init(struct pci_dev *pcidev)
60 void __iomem *mite_base;
63 /* ioremap the MITE registers (BAR 0) temporarily */
64 mite_base = pci_ioremap_bar(pcidev, 0);
68 /* set data window to main registers (BAR 1) */
69 main_phys_addr = pci_resource_start(pcidev, 1);
70 writel(main_phys_addr | WENAB, mite_base + MITE_IODWBSR);
72 /* finished with MITE registers */
77 static int labpc_pci_auto_attach(struct comedi_device *dev,
78 unsigned long context)
80 struct pci_dev *pcidev = comedi_to_pci_dev(dev);
81 const struct labpc_boardinfo *board = NULL;
82 struct labpc_private *devpriv;
85 if (context < ARRAY_SIZE(labpc_pci_boards))
86 board = &labpc_pci_boards[context];
89 dev->board_ptr = board;
90 dev->board_name = board->name;
92 ret = comedi_pci_enable(dev);
96 ret = labpc_pci_mite_init(pcidev);
100 dev->mmio = pci_ioremap_bar(pcidev, 1);
104 devpriv = comedi_alloc_devpriv(dev, sizeof(*devpriv));
108 return labpc_common_attach(dev, pcidev->irq, IRQF_SHARED);
111 static void labpc_pci_detach(struct comedi_device *dev)
116 free_irq(dev->irq, dev);
117 comedi_pci_disable(dev);
120 static struct comedi_driver labpc_pci_comedi_driver = {
121 .driver_name = "labpc_pci",
122 .module = THIS_MODULE,
123 .auto_attach = labpc_pci_auto_attach,
124 .detach = labpc_pci_detach,
127 static const struct pci_device_id labpc_pci_table[] = {
128 { PCI_VDEVICE(NI, 0x161), BOARD_NI_PCI1200 },
131 MODULE_DEVICE_TABLE(pci, labpc_pci_table);
133 static int labpc_pci_probe(struct pci_dev *dev,
134 const struct pci_device_id *id)
136 return comedi_pci_auto_config(dev, &labpc_pci_comedi_driver,
140 static struct pci_driver labpc_pci_driver = {
142 .id_table = labpc_pci_table,
143 .probe = labpc_pci_probe,
144 .remove = comedi_pci_auto_unconfig,
146 module_comedi_pci_driver(labpc_pci_comedi_driver, labpc_pci_driver);
148 MODULE_DESCRIPTION("Comedi: National Instruments Lab-PC PCI-1200 driver");
149 MODULE_AUTHOR("Comedi http://www.comedi.org");
150 MODULE_LICENSE("GPL");