[mirror_ubuntu-hirsute-kernel.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 "8255.h"
/* #include "8253.h" */

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

#define PCI_DEVICE_ID_PCI7296 0x7296

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)
{
	struct pci_dev *pcidev = NULL;
	struct comedi_subdevice *s;
	int bus, slot;
	int ret;

	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_pci7296_private)) < 0)
		return -ENOMEM;

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

	for_each_pci_dev(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(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);

			/*  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(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_pci7296_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);
	}
	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);
	}
}

static struct comedi_driver adl_pci7296_driver = {
	.driver_name	= "adl_pci7296",
	.module		= THIS_MODULE,
	.attach		= adl_pci7296_attach,
	.detach		= adl_pci7296_detach,
};

static int __devinit adl_pci7296_pci_probe(struct pci_dev *dev,
					   const struct pci_device_id *ent)
{
	return comedi_pci_auto_config(dev, &adl_pci7296_driver);
}

static void __devexit adl_pci7296_pci_remove(struct pci_dev *dev)
{
	comedi_pci_auto_unconfig(dev);
}

static DEFINE_PCI_DEVICE_TABLE(adl_pci7296_pci_table) = {
	{ PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7296) },
	{ 0 }
};
MODULE_DEVICE_TABLE(pci, adl_pci7296_pci_table);

static struct pci_driver adl_pci7296_pci_driver = {
	.name		= "adl_pci7296",
	.id_table	= adl_pci7296_pci_table,
	.probe		= adl_pci7296_pci_probe,
	.remove		= __devexit_p(adl_pci7296_pci_remove),
};
module_comedi_pci_driver(adl_pci7296_driver, adl_pci7296_pci_driver);

MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
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
bb71f8b3	40	#include "8255.h"
2696fb57	41	/* #include "8253.h" */
bb71f8b3 JG	42
	43	#define PORT1A 0
	44	#define PORT2A 4
	45	#define PORT3A 8
	46	#define PORT4A 12
	47
	48	#define PCI_DEVICE_ID_PCI7296 0x7296
	49
8dca707e	50	struct adl_pci7296_private {
bb71f8b3 JG	51	int data;
bb71f8b3 JG	52	struct pci_dev *pci_dev;
8dca707e BP	53	};
8dca707e BP	54
8dca707e	55	#define devpriv ((struct adl_pci7296_private *)dev->private)
bb71f8b3	56
0a85b6f0 MT	57	static int adl_pci7296_attach(struct comedi_device *dev,
0a85b6f0 MT	58	struct comedi_devconfig *it)
bb71f8b3	59	{
20fb2280	60	struct pci_dev *pcidev = NULL;
34c43922	61	struct comedi_subdevice *s;
bb71f8b3 JG	62	int bus, slot;
	63	int ret;
	64
1ab1774f	65	printk(KERN_INFO "comedi%d: attach adl_pci7432\n", dev->minor);
bb71f8b3 JG	66
	67	dev->board_name = "pci7432";
	68	bus = it->options[0];
	69	slot = it->options[1];
	70
8dca707e	71	if (alloc_private(dev, sizeof(struct adl_pci7296_private)) < 0)
bb71f8b3 JG	72	return -ENOMEM;
	73
	74	if (alloc_subdevices(dev, 4) < 0)
	75	return -ENOMEM;
	76
20fb2280	77	for_each_pci_dev(pcidev) {
bb71f8b3	78	if (pcidev->vendor == PCI_VENDOR_ID_ADLINK &&
0a85b6f0	79	pcidev->device == PCI_DEVICE_ID_PCI7296) {
bb71f8b3 JG	80	if (bus \|\| slot) {
	81	/* requested particular bus/slot */
	82	if (pcidev->bus->number != bus
0a85b6f0	83	\|\| PCI_SLOT(pcidev->devfn) != slot) {
bb71f8b3 JG	84	continue;
	85	}
	86	}
	87	devpriv->pci_dev = pcidev;
	88	if (comedi_pci_enable(pcidev, "adl_pci7296") < 0) {
1ab1774f	89	printk(KERN_ERR "comedi%d: Failed to enable PCI device and request regions\n",
0a85b6f0	90	dev->minor);
bb71f8b3 JG	91	return -EIO;
	92	}
	93
	94	dev->iobase = pci_resource_start(pcidev, 2);
1ab1774f BJ	95	printk(KERN_INFO "comedi: base addr %4lx\n",
1ab1774f BJ	96	dev->iobase);
bb71f8b3	97
2696fb57	98	/* four 8255 digital io subdevices */
bb71f8b3 JG	99	s = dev->subdevices + 0;
bb71f8b3 JG	100	subdev_8255_init(dev, s, NULL,
0a85b6f0	101	(unsigned long)(dev->iobase));
bb71f8b3 JG	102
	103	s = dev->subdevices + 1;
	104	ret = subdev_8255_init(dev, s, NULL,
0a85b6f0 MT	105	(unsigned long)(dev->iobase +
0a85b6f0 MT	106	PORT2A));
bb71f8b3 JG	107	if (ret < 0)
	108	return ret;
	109
	110	s = dev->subdevices + 2;
	111	ret = subdev_8255_init(dev, s, NULL,
0a85b6f0 MT	112	(unsigned long)(dev->iobase +
0a85b6f0 MT	113	PORT3A));
bb71f8b3 JG	114	if (ret < 0)
	115	return ret;
	116
	117	s = dev->subdevices + 3;
	118	ret = subdev_8255_init(dev, s, NULL,
0a85b6f0 MT	119	(unsigned long)(dev->iobase +
0a85b6f0 MT	120	PORT4A));
bb71f8b3 JG	121	if (ret < 0)
	122	return ret;
	123
1ab1774f BJ	124	printk(KERN_DEBUG "comedi%d: adl_pci7432 attached\n",
1ab1774f BJ	125	dev->minor);
bb71f8b3 JG	126
	127	return 1;
	128	}
	129	}
	130
1ab1774f	131	printk(KERN_ERR "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
0a85b6f0	132	dev->minor, bus, slot);
bb71f8b3 JG	133	return -EIO;
	134	}
	135
484ecc95	136	static void adl_pci7296_detach(struct comedi_device *dev)
bb71f8b3	137	{
bb71f8b3	138	if (devpriv && devpriv->pci_dev) {
1ab1774f	139	if (dev->iobase)
bb71f8b3	140	comedi_pci_disable(devpriv->pci_dev);
bb71f8b3 JG	141	pci_dev_put(devpriv->pci_dev);
bb71f8b3 JG	142	}
bb71f8b3 JG	143	if (dev->subdevices) {
	144	subdev_8255_cleanup(dev, dev->subdevices + 0);
	145	subdev_8255_cleanup(dev, dev->subdevices + 1);
	146	subdev_8255_cleanup(dev, dev->subdevices + 2);
	147	subdev_8255_cleanup(dev, dev->subdevices + 3);
bb71f8b3	148	}
bb71f8b3 JG	149	}
bb71f8b3 JG	150
75e6301b	151	static struct comedi_driver adl_pci7296_driver = {
db0eaeed HS	152	.driver_name = "adl_pci7296",
	153	.module = THIS_MODULE,
	154	.attach = adl_pci7296_attach,
	155	.detach = adl_pci7296_detach,
	156	};
	157
75e6301b HS	158	static int __devinit adl_pci7296_pci_probe(struct pci_dev *dev,
75e6301b HS	159	const struct pci_device_id *ent)
727b286b	160	{
75e6301b	161	return comedi_pci_auto_config(dev, &adl_pci7296_driver);
727b286b AT	162	}
727b286b AT	163
75e6301b	164	static void __devexit adl_pci7296_pci_remove(struct pci_dev *dev)
727b286b AT	165	{
	166	comedi_pci_auto_unconfig(dev);
	167	}
	168
db0eaeed HS	169	static DEFINE_PCI_DEVICE_TABLE(adl_pci7296_pci_table) = {
db0eaeed HS	170	{ PCI_DEVICE(PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7296) },
75e6301b	171	{ 0 }
db0eaeed HS	172	};
	173	MODULE_DEVICE_TABLE(pci, adl_pci7296_pci_table);
	174
75e6301b HS	175	static struct pci_driver adl_pci7296_pci_driver = {
75e6301b HS	176	.name = "adl_pci7296",
db0eaeed	177	.id_table = adl_pci7296_pci_table,
75e6301b HS	178	.probe = adl_pci7296_pci_probe,
75e6301b HS	179	.remove = __devexit_p(adl_pci7296_pci_remove),
727b286b	180	};
75e6301b	181	module_comedi_pci_driver(adl_pci7296_driver, adl_pci7296_pci_driver);
90f703d3 AT	182
	183	MODULE_AUTHOR("Comedi http://www.comedi.org");
	184	MODULE_DESCRIPTION("Comedi low-level driver");
	185	MODULE_LICENSE("GPL");