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/*
comedi/drivers/adl_pci7432.c
Hardware comedi driver fot PCI7432 Adlink card
Copyright (C) 2004 Michel Lachine <mike@mikelachaine.ca>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
Driver: adl_pci7432
Description: Driver for the Adlink PCI-7432 64 ch. isolated digital io board
Devices: [ADLink] PCI-7432 (adl_pci7432)
Author: Michel Lachaine <mike@mikelachaine.ca>
Status: experimental
Updated: Mon, 14 Apr 2008 15:08:14 +0100
Configuration Options:
[0] - PCI bus of device (optional)
[1] - PCI slot of device (optional)
If bus/slot is not specified, the first supported
PCI device found will be used.
*/
#include "../comedidev.h"
#include <linux/kernel.h>
#include "comedi_pci.h"
#define PCI7432_DI 0x00
#define PCI7432_DO 0x00
#define PCI_DEVICE_ID_PCI7432 0x7432
struct adl_pci7432_private {
int data;
struct pci_dev *pci_dev;
};
#define devpriv ((struct adl_pci7432_private *)dev->private)
static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
printk(KERN_DEBUG "comedi: pci7432_do_insn_bits called\n");
printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
if (insn->n != 2)
return -EINVAL;
if (data[0]) {
s->state &= ~data[0];
s->state |= (data[0] & data[1]);
printk(KERN_DEBUG "comedi: out: %8x on iobase %4lx\n", s->state,
dev->iobase + PCI7432_DO);
outl(s->state & 0xffffffff, dev->iobase + PCI7432_DO);
}
return 2;
}
static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
struct comedi_subdevice *s,
struct comedi_insn *insn,
unsigned int *data)
{
printk(KERN_DEBUG "comedi: pci7432_di_insn_bits called\n");
printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
if (insn->n != 2)
return -EINVAL;
data[1] = inl(dev->iobase + PCI7432_DI) & 0xffffffff;
printk(KERN_DEBUG "comedi: data1 %8x\n", data[1]);
return 2;
}
static int adl_pci7432_attach(struct comedi_device *dev,
struct comedi_devconfig *it)
{
struct pci_dev *pcidev = NULL;
struct comedi_subdevice *s;
int bus, slot;
printk(KERN_INFO "comedi%d: attach adl_pci7432\n", dev->minor);
dev->board_name = "pci7432";
bus = it->options[0];
slot = it->options[1];
if (alloc_private(dev, sizeof(struct adl_pci7432_private)) < 0)
return -ENOMEM;
if (alloc_subdevices(dev, 2) < 0)
return -ENOMEM;
for_each_pci_dev(pcidev) {
if (pcidev->vendor == PCI_VENDOR_ID_ADLINK &&
pcidev->device == PCI_DEVICE_ID_PCI7432) {
if (bus || slot) {
/* requested particular bus/slot */
if (pcidev->bus->number != bus
|| PCI_SLOT(pcidev->devfn) != slot) {
continue;
}
}
devpriv->pci_dev = pcidev;
if (comedi_pci_enable(pcidev, "adl_pci7432") < 0) {
printk(KERN_ERR "comedi%d: Failed to enable PCI device and request regions\n",
dev->minor);
return -EIO;
}
dev->iobase = pci_resource_start(pcidev, 2);
printk(KERN_INFO "comedi: base addr %4lx\n",
dev->iobase);
s = dev->subdevices + 0;
s->type = COMEDI_SUBD_DI;
s->subdev_flags =
SDF_READABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = 32;
s->maxdata = 1;
s->len_chanlist = 32;
s->io_bits = 0x00000000;
s->range_table = &range_digital;
s->insn_bits = adl_pci7432_di_insn_bits;
s = dev->subdevices + 1;
s->type = COMEDI_SUBD_DO;
s->subdev_flags =
SDF_WRITABLE | SDF_GROUND | SDF_COMMON;
s->n_chan = 32;
s->maxdata = 1;
s->len_chanlist = 32;
s->io_bits = 0xffffffff;
s->range_table = &range_digital;
s->insn_bits = adl_pci7432_do_insn_bits;
printk(KERN_DEBUG "comedi%d: adl_pci7432 attached\n",
dev->minor);
return 1;
}
}
printk(KERN_ERR "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
dev->minor, bus, slot);
return -EIO;
}
static void adl_pci7432_detach(struct comedi_device *dev)
{
if (devpriv && devpriv->pci_dev) {
if (dev->iobase)
comedi_pci_disable(devpriv->pci_dev);
pci_dev_put(devpriv->pci_dev);
}
}
static struct comedi_driver adl_pci7432_driver = {
.driver_name = "adl_pci7432",
.module = THIS_MODULE,
.attach = adl_pci7432_attach,
.detach = adl_pci7432_detach,
};
static int __devinit adl_pci7432_pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
return comedi_pci_auto_config(dev, &adl_pci7432_driver);
}
static void __devexit adl_pci7432_pci_remove(struct pci_dev *dev)
{
comedi_pci_auto_unconfig(dev);
}
static DEFINE_PCI_DEVICE_TABLE(adl_pci7432_pci_table) = {
{ PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7432) },
{ 0 }
};
MODULE_DEVICE_TABLE(pci, adl_pci7432_pci_table);
static struct pci_driver adl_pci7432_pci_driver = {
.name = "adl_pci7432",
.id_table = adl_pci7432_pci_table,
.probe = adl_pci7432_pci_probe,
.remove = __devexit_p(adl_pci7432_pci_remove),
};
module_comedi_pci_driver(adl_pci7432_driver, adl_pci7432_pci_driver);
MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
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