[mirror_ubuntu-kernels.git] / drivers / staging / comedi / drivers / adl_pci7296.c

/*
    comedi/drivers/adl_pci7296.c

    COMEDI - Linux Control and Measurement Device Interface
    Copyright (C) 2000 David A. Schleef <ds@schleef.org>

    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_pci7296
Description: Driver for the Adlink PCI-7296 96 ch. digital io board
Devices: [ADLink] PCI-7296 (adl_pci7296)
Author: Jon Grierson <jd@renko.co.uk>
Updated: Mon, 14 Apr 2008 15:05:56 +0100
Status: testing

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"
#include "8255.h"
/* #include "8253.h" */

#define PORT1A 0
#define PORT2A 4
#define PORT3A 8
#define PORT4A 12

#define PCI_DEVICE_ID_PCI7296 0x7296

static DEFINE_PCI_DEVICE_TABLE(adl_pci7296_pci_table) = {
	{PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7296, PCI_ANY_ID, PCI_ANY_ID, 0,
		0, 0},
	{0}
};

MODULE_DEVICE_TABLE(pci, adl_pci7296_pci_table);

struct adl_pci7296_private {
	int data;
	struct pci_dev *pci_dev;
};


#define devpriv ((struct adl_pci7296_private *)dev->private)

static int adl_pci7296_attach(struct comedi_device *dev, struct comedi_devconfig *it);
static int adl_pci7296_detach(struct comedi_device *dev);
static struct comedi_driver driver_adl_pci7296 = {
      driver_name:"adl_pci7296",
      module:THIS_MODULE,
      attach:adl_pci7296_attach,
      detach:adl_pci7296_detach,
};

static int adl_pci7296_attach(struct comedi_device *dev, struct comedi_devconfig *it)
{
	struct pci_dev *pcidev;
	struct comedi_subdevice *s;
	int bus, slot;
	int ret;

	printk("comedi: attempt to attach...\n");
	printk("comedi%d: adl_pci7432\n", dev->minor);

	dev->board_name = "pci7432";
	bus = it->options[0];
	slot = it->options[1];

	if (alloc_private(dev, sizeof(struct adl_pci7296_private)) < 0)
		return -ENOMEM;

	if (alloc_subdevices(dev, 4) < 0)
		return -ENOMEM;

	for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
		pcidev != NULL;
		pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {

		if (pcidev->vendor == PCI_VENDOR_ID_ADLINK &&
			pcidev->device == PCI_DEVICE_ID_PCI7296) {
			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_pci7296") < 0) {
				printk("comedi%d: Failed to enable PCI device and request regions\n", dev->minor);
				return -EIO;
			}

			dev->iobase = pci_resource_start(pcidev, 2);
			printk("comedi: base addr %4lx\n", dev->iobase);

			/*  four 8255 digital io subdevices */
			s = dev->subdevices + 0;
			subdev_8255_init(dev, s, NULL,
				(unsigned long)(dev->iobase));

			s = dev->subdevices + 1;
			ret = subdev_8255_init(dev, s, NULL,
				(unsigned long)(dev->iobase + PORT2A));
			if (ret < 0)
				return ret;

			s = dev->subdevices + 2;
			ret = subdev_8255_init(dev, s, NULL,
				(unsigned long)(dev->iobase + PORT3A));
			if (ret < 0)
				return ret;

			s = dev->subdevices + 3;
			ret = subdev_8255_init(dev, s, NULL,
				(unsigned long)(dev->iobase + PORT4A));
			if (ret < 0)
				return ret;

			printk("attached\n");

			return 1;
		}
	}

	printk("comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
		dev->minor, bus, slot);
	return -EIO;
}

static int adl_pci7296_detach(struct comedi_device *dev)
{
	printk("comedi%d: pci7432: remove\n", dev->minor);

	if (devpriv && devpriv->pci_dev) {
		if (dev->iobase) {
			comedi_pci_disable(devpriv->pci_dev);
		}
		pci_dev_put(devpriv->pci_dev);
	}
	/*  detach four 8255 digital io subdevices */
	if (dev->subdevices) {
		subdev_8255_cleanup(dev, dev->subdevices + 0);
		subdev_8255_cleanup(dev, dev->subdevices + 1);
		subdev_8255_cleanup(dev, dev->subdevices + 2);
		subdev_8255_cleanup(dev, dev->subdevices + 3);

	}

	return 0;
}

COMEDI_PCI_INITCLEANUP(driver_adl_pci7296, adl_pci7296_pci_table);
Commit	Line	Data
bb71f8b3 JG	1	/*
	2	comedi/drivers/adl_pci7296.c
	3
	4	COMEDI - Linux Control and Measurement Device Interface
	5	Copyright (C) 2000 David A. Schleef <ds@schleef.org>
	6
	7	This program is free software; you can redistribute it and/or modify
	8	it under the terms of the GNU General Public License as published by
	9	the Free Software Foundation; either version 2 of the License, or
	10	(at your option) any later version.
	11
	12	This program is distributed in the hope that it will be useful,
	13	but WITHOUT ANY WARRANTY; without even the implied warranty of
	14	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	15	GNU General Public License for more details.
	16
	17	You should have received a copy of the GNU General Public License
	18	along with this program; if not, write to the Free Software
	19	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	20
	21	*/
	22	/*
	23	Driver: adl_pci7296
	24	Description: Driver for the Adlink PCI-7296 96 ch. digital io board
	25	Devices: [ADLink] PCI-7296 (adl_pci7296)
	26	Author: Jon Grierson <jd@renko.co.uk>
	27	Updated: Mon, 14 Apr 2008 15:05:56 +0100
	28	Status: testing
	29
	30	Configuration Options:
	31	[0] - PCI bus of device (optional)
	32	[1] - PCI slot of device (optional)
	33	If bus/slot is not specified, the first supported
	34	PCI device found will be used.
	35	*/
	36
	37	#include "../comedidev.h"
	38	#include <linux/kernel.h>
	39
	40	#include "comedi_pci.h"
	41	#include "8255.h"
2696fb57	42	/* #include "8253.h" */
bb71f8b3 JG	43
	44	#define PORT1A 0
	45	#define PORT2A 4
	46	#define PORT3A 8
	47	#define PORT4A 12
	48
	49	#define PCI_DEVICE_ID_PCI7296 0x7296
	50
	51	static DEFINE_PCI_DEVICE_TABLE(adl_pci7296_pci_table) = {
	52	{PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7296, PCI_ANY_ID, PCI_ANY_ID, 0,
	53	0, 0},
	54	{0}
	55	};
	56
	57	MODULE_DEVICE_TABLE(pci, adl_pci7296_pci_table);
	58
8dca707e	59	struct adl_pci7296_private {
bb71f8b3 JG	60	int data;
bb71f8b3 JG	61	struct pci_dev *pci_dev;
8dca707e BP	62	};
8dca707e BP	63
bb71f8b3	64
8dca707e	65	#define devpriv ((struct adl_pci7296_private *)dev->private)
bb71f8b3	66
da91b269 BP	67	static int adl_pci7296_attach(struct comedi_device dev, struct comedi_devconfig it);
da91b269 BP	68	static int adl_pci7296_detach(struct comedi_device *dev);
139dfbdf	69	static struct comedi_driver driver_adl_pci7296 = {
bb71f8b3 JG	70	driver_name:"adl_pci7296",
	71	module:THIS_MODULE,
	72	attach:adl_pci7296_attach,
	73	detach:adl_pci7296_detach,
	74	};
	75
da91b269	76	static int adl_pci7296_attach(struct comedi_device dev, struct comedi_devconfig it)
bb71f8b3 JG	77	{
bb71f8b3 JG	78	struct pci_dev *pcidev;
34c43922	79	struct comedi_subdevice *s;
bb71f8b3 JG	80	int bus, slot;
	81	int ret;
	82
	83	printk("comedi: attempt to attach...\n");
	84	printk("comedi%d: adl_pci7432\n", dev->minor);
	85
	86	dev->board_name = "pci7432";
	87	bus = it->options[0];
	88	slot = it->options[1];
	89
8dca707e	90	if (alloc_private(dev, sizeof(struct adl_pci7296_private)) < 0)
bb71f8b3 JG	91	return -ENOMEM;
	92
	93	if (alloc_subdevices(dev, 4) < 0)
	94	return -ENOMEM;
	95
	96	for (pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
	97	pcidev != NULL;
	98	pcidev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pcidev)) {
	99
	100	if (pcidev->vendor == PCI_VENDOR_ID_ADLINK &&
	101	pcidev->device == PCI_DEVICE_ID_PCI7296) {
	102	if (bus \|\| slot) {
	103	/* requested particular bus/slot */
	104	if (pcidev->bus->number != bus
	105	\|\| PCI_SLOT(pcidev->devfn) != slot) {
	106	continue;
	107	}
	108	}
	109	devpriv->pci_dev = pcidev;
	110	if (comedi_pci_enable(pcidev, "adl_pci7296") < 0) {
	111	printk("comedi%d: Failed to enable PCI device and request regions\n", dev->minor);
	112	return -EIO;
	113	}
	114
	115	dev->iobase = pci_resource_start(pcidev, 2);
	116	printk("comedi: base addr %4lx\n", dev->iobase);
	117
2696fb57	118	/* four 8255 digital io subdevices */
bb71f8b3 JG	119	s = dev->subdevices + 0;
	120	subdev_8255_init(dev, s, NULL,
	121	(unsigned long)(dev->iobase));
	122
	123	s = dev->subdevices + 1;
	124	ret = subdev_8255_init(dev, s, NULL,
	125	(unsigned long)(dev->iobase + PORT2A));
	126	if (ret < 0)
	127	return ret;
	128
	129	s = dev->subdevices + 2;
	130	ret = subdev_8255_init(dev, s, NULL,
	131	(unsigned long)(dev->iobase + PORT3A));
	132	if (ret < 0)
	133	return ret;
	134
	135	s = dev->subdevices + 3;
	136	ret = subdev_8255_init(dev, s, NULL,
	137	(unsigned long)(dev->iobase + PORT4A));
	138	if (ret < 0)
	139	return ret;
	140
	141	printk("attached\n");
	142
	143	return 1;
	144	}
	145	}
	146
	147	printk("comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
	148	dev->minor, bus, slot);
	149	return -EIO;
	150	}
	151
da91b269	152	static int adl_pci7296_detach(struct comedi_device *dev)
bb71f8b3 JG	153	{
	154	printk("comedi%d: pci7432: remove\n", dev->minor);
	155
	156	if (devpriv && devpriv->pci_dev) {
	157	if (dev->iobase) {
	158	comedi_pci_disable(devpriv->pci_dev);
	159	}
	160	pci_dev_put(devpriv->pci_dev);
	161	}
2696fb57	162	/* detach four 8255 digital io subdevices */
bb71f8b3 JG	163	if (dev->subdevices) {
	164	subdev_8255_cleanup(dev, dev->subdevices + 0);
	165	subdev_8255_cleanup(dev, dev->subdevices + 1);
	166	subdev_8255_cleanup(dev, dev->subdevices + 2);
	167	subdev_8255_cleanup(dev, dev->subdevices + 3);
	168
	169	}
	170
	171	return 0;
	172	}
	173
	174	COMEDI_PCI_INITCLEANUP(driver_adl_pci7296, adl_pci7296_pci_table);