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-/*
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- comedi/drivers/adl_pci7432.c
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-
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- Hardware comedi driver fot PCI7432 Adlink card
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- Copyright (C) 2004 Michel Lachine <mike@mikelachaine.ca>
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-
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- This program is free software; you can redistribute it and/or modify
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- it under the terms of the GNU General Public License as published by
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- the Free Software Foundation; either version 2 of the License, or
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- (at your option) any later version.
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-
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- This program is distributed in the hope that it will be useful,
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- but WITHOUT ANY WARRANTY; without even the implied warranty of
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- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- GNU General Public License for more details.
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-
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- You should have received a copy of the GNU General Public License
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- along with this program; if not, write to the Free Software
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- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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-
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-*/
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-/*
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-Driver: adl_pci7432
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-Description: Driver for the Adlink PCI-7432 64 ch. isolated digital io board
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-Devices: [ADLink] PCI-7432 (adl_pci7432)
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-Author: Michel Lachaine <mike@mikelachaine.ca>
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-Status: experimental
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-Updated: Mon, 14 Apr 2008 15:08:14 +0100
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-
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-Configuration Options:
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- [0] - PCI bus of device (optional)
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- [1] - PCI slot of device (optional)
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- If bus/slot is not specified, the first supported
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- PCI device found will be used.
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-*/
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-
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-#include "../comedidev.h"
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-#include <linux/kernel.h>
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-
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-#define PCI7432_DI 0x00
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-#define PCI7432_DO 0x00
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-
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-#define PCI_DEVICE_ID_PCI7432 0x7432
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-
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-static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
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- struct comedi_subdevice *s,
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- struct comedi_insn *insn,
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- unsigned int *data)
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-{
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- printk(KERN_DEBUG "comedi: pci7432_do_insn_bits called\n");
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- printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
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-
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- if (data[0]) {
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- s->state &= ~data[0];
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- s->state |= (data[0] & data[1]);
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-
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- printk(KERN_DEBUG "comedi: out: %8x on iobase %4lx\n", s->state,
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- dev->iobase + PCI7432_DO);
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- outl(s->state & 0xffffffff, dev->iobase + PCI7432_DO);
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- }
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- return insn->n;
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-}
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-
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-static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
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- struct comedi_subdevice *s,
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- struct comedi_insn *insn,
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- unsigned int *data)
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-{
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- printk(KERN_DEBUG "comedi: pci7432_di_insn_bits called\n");
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- printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
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-
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- data[1] = inl(dev->iobase + PCI7432_DI) & 0xffffffff;
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- printk(KERN_DEBUG "comedi: data1 %8x\n", data[1]);
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-
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- return insn->n;
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-}
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-
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-static struct pci_dev *adl_pci7432_find_pci(struct comedi_device *dev,
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- struct comedi_devconfig *it)
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-{
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- struct pci_dev *pcidev = NULL;
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- int bus = it->options[0];
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- int slot = it->options[1];
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-
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- for_each_pci_dev(pcidev) {
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- if (pcidev->vendor != PCI_VENDOR_ID_ADLINK ||
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- pcidev->device != PCI_DEVICE_ID_PCI7432)
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- continue;
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- if (bus || slot) {
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- /* requested particular bus/slot */
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- if (pcidev->bus->number != bus ||
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- PCI_SLOT(pcidev->devfn) != slot)
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- continue;
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- }
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- return pcidev;
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- }
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- printk(KERN_ERR
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- "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
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- dev->minor, bus, slot);
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- return NULL;
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-}
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-
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-static int adl_pci7432_attach(struct comedi_device *dev,
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- struct comedi_devconfig *it)
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-{
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- struct pci_dev *pcidev;
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- struct comedi_subdevice *s;
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- int ret;
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-
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- printk(KERN_INFO "comedi%d: attach adl_pci7432\n", dev->minor);
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-
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- dev->board_name = "pci7432";
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-
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- ret = comedi_alloc_subdevices(dev, 2);
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- if (ret)
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- return ret;
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-
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- pcidev = adl_pci7432_find_pci(dev, it);
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- if (!pcidev)
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- return -EIO;
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- comedi_set_hw_dev(dev, &pcidev->dev);
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-
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- if (comedi_pci_enable(pcidev, "adl_pci7432") < 0) {
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- printk(KERN_ERR "comedi%d: Failed to enable PCI device and request regions\n",
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- dev->minor);
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- return -EIO;
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- }
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- dev->iobase = pci_resource_start(pcidev, 2);
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- printk(KERN_INFO "comedi: base addr %4lx\n", dev->iobase);
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-
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- s = dev->subdevices + 0;
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- s->type = COMEDI_SUBD_DI;
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- s->subdev_flags = SDF_READABLE | SDF_GROUND | SDF_COMMON;
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- s->n_chan = 32;
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- s->maxdata = 1;
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- s->len_chanlist = 32;
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- s->io_bits = 0x00000000;
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- s->range_table = &range_digital;
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- s->insn_bits = adl_pci7432_di_insn_bits;
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-
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- s = dev->subdevices + 1;
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- s->type = COMEDI_SUBD_DO;
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- s->subdev_flags = SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
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- s->n_chan = 32;
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- s->maxdata = 1;
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- s->len_chanlist = 32;
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- s->io_bits = 0xffffffff;
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- s->range_table = &range_digital;
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- s->insn_bits = adl_pci7432_do_insn_bits;
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-
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- printk(KERN_DEBUG "comedi%d: adl_pci7432 attached\n", dev->minor);
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- return 0;
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-}
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-
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-static void adl_pci7432_detach(struct comedi_device *dev)
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-{
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- struct pci_dev *pcidev = comedi_to_pci_dev(dev);
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-
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- if (pcidev) {
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- if (dev->iobase)
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- comedi_pci_disable(pcidev);
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- pci_dev_put(pcidev);
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- }
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-}
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-
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-static struct comedi_driver adl_pci7432_driver = {
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- .driver_name = "adl_pci7432",
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- .module = THIS_MODULE,
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- .attach = adl_pci7432_attach,
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- .detach = adl_pci7432_detach,
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-};
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-
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-static int __devinit adl_pci7432_pci_probe(struct pci_dev *dev,
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- const struct pci_device_id *ent)
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-{
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- return comedi_pci_auto_config(dev, &adl_pci7432_driver);
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-}
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-
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-static void __devexit adl_pci7432_pci_remove(struct pci_dev *dev)
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-{
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- comedi_pci_auto_unconfig(dev);
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-}
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-
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-static DEFINE_PCI_DEVICE_TABLE(adl_pci7432_pci_table) = {
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- { PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7432) },
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- { 0 }
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-};
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-MODULE_DEVICE_TABLE(pci, adl_pci7432_pci_table);
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-
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-static struct pci_driver adl_pci7432_pci_driver = {
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- .name = "adl_pci7432",
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- .id_table = adl_pci7432_pci_table,
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- .probe = adl_pci7432_pci_probe,
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- .remove = __devexit_p(adl_pci7432_pci_remove),
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-};
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-module_comedi_pci_driver(adl_pci7432_driver, adl_pci7432_pci_driver);
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-
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-MODULE_AUTHOR("Comedi http://www.comedi.org");
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-MODULE_DESCRIPTION("Comedi low-level driver");
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-MODULE_LICENSE("GPL");
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H Hartley Sweeten