[deliverable/linux.git] / drivers / staging / comedi / drivers / adl_pci7432.c

/*
    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

static DEFINE_PCI_DEVICE_TABLE(adl_pci7432_pci_table) = {
	{
	PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7432, PCI_ANY_ID,
		    PCI_ANY_ID, 0, 0, 0}, {
	0}
};

MODULE_DEVICE_TABLE(pci, adl_pci7432_pci_table);

struct adl_pci7432_private {
	int data;
	struct pci_dev *pci_dev;
};

#define devpriv ((struct adl_pci7432_private *)dev->private)

static int adl_pci7432_attach(struct comedi_device *dev,
			      struct comedi_devconfig *it);
static int adl_pci7432_detach(struct comedi_device *dev);
static struct comedi_driver driver_adl_pci7432 = {
	.driver_name = "adl_pci7432",
	.module = THIS_MODULE,
	.attach = adl_pci7432_attach,
	.detach = adl_pci7432_detach,
};

/* Digital IO */

static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
				    struct comedi_subdevice *s,
				    struct comedi_insn *insn,
				    unsigned int *data);

static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
				    struct comedi_subdevice *s,
				    struct comedi_insn *insn,
				    unsigned int *data);

/*            */

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 int adl_pci7432_detach(struct comedi_device *dev)
{
	printk(KERN_INFO "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);
	}

	return 0;
}

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 __devinit driver_adl_pci7432_pci_probe(struct pci_dev *dev,
						  const struct pci_device_id
						  *ent)
{
	return comedi_pci_auto_config(dev, driver_adl_pci7432.driver_name);
}

static void __devexit driver_adl_pci7432_pci_remove(struct pci_dev *dev)
{
	comedi_pci_auto_unconfig(dev);
}

static struct pci_driver driver_adl_pci7432_pci_driver = {
	.id_table = adl_pci7432_pci_table,
	.probe = &driver_adl_pci7432_pci_probe,
	.remove = __devexit_p(&driver_adl_pci7432_pci_remove)
};

static int __init driver_adl_pci7432_init_module(void)
{
	int retval;

	retval = comedi_driver_register(&driver_adl_pci7432);
	if (retval < 0)
		return retval;

	driver_adl_pci7432_pci_driver.name =
	    (char *)driver_adl_pci7432.driver_name;
	return pci_register_driver(&driver_adl_pci7432_pci_driver);
}

static void __exit driver_adl_pci7432_cleanup_module(void)
{
	pci_unregister_driver(&driver_adl_pci7432_pci_driver);
	comedi_driver_unregister(&driver_adl_pci7432);
}

module_init(driver_adl_pci7432_init_module);
module_exit(driver_adl_pci7432_cleanup_module);

MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("Comedi low-level driver");
MODULE_LICENSE("GPL");
Commit	Line	Data
ed9c5eeb ML	1	/*
	2	comedi/drivers/adl_pci7432.c
	3
	4	Hardware comedi driver fot PCI7432 Adlink card
	5	Copyright (C) 2004 Michel Lachine <mike@mikelachaine.ca>
	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_pci7432
	24	Description: Driver for the Adlink PCI-7432 64 ch. isolated digital io board
	25	Devices: [ADLink] PCI-7432 (adl_pci7432)
	26	Author: Michel Lachaine <mike@mikelachaine.ca>
	27	Status: experimental
	28	Updated: Mon, 14 Apr 2008 15:08:14 +0100
	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	#include "comedi_pci.h"
	40
	41	#define PCI7432_DI 0x00
	42	#define PCI7432_DO 0x00
	43
	44	#define PCI_DEVICE_ID_PCI7432 0x7432
	45
	46	static DEFINE_PCI_DEVICE_TABLE(adl_pci7432_pci_table) = {
0a85b6f0 MT	47	{
	48	PCI_VENDOR_ID_ADLINK, PCI_DEVICE_ID_PCI7432, PCI_ANY_ID,
	49	PCI_ANY_ID, 0, 0, 0}, {
	50	0}
ed9c5eeb ML	51	};
	52
	53	MODULE_DEVICE_TABLE(pci, adl_pci7432_pci_table);
	54
ddc3dbf4	55	struct adl_pci7432_private {
ed9c5eeb ML	56	int data;
ed9c5eeb ML	57	struct pci_dev *pci_dev;
ddc3dbf4	58	};
ed9c5eeb	59
ddc3dbf4	60	#define devpriv ((struct adl_pci7432_private *)dev->private)
ed9c5eeb	61
0a85b6f0 MT	62	static int adl_pci7432_attach(struct comedi_device *dev,
0a85b6f0 MT	63	struct comedi_devconfig *it);
da91b269	64	static int adl_pci7432_detach(struct comedi_device *dev);
139dfbdf	65	static struct comedi_driver driver_adl_pci7432 = {
68c3dbff BP	66	.driver_name = "adl_pci7432",
	67	.module = THIS_MODULE,
	68	.attach = adl_pci7432_attach,
	69	.detach = adl_pci7432_detach,
ed9c5eeb ML	70	};
	71
	72	/* Digital IO */
	73
0a85b6f0 MT	74	static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
	75	struct comedi_subdevice *s,
	76	struct comedi_insn *insn,
	77	unsigned int *data);
ed9c5eeb	78
0a85b6f0 MT	79	static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
	80	struct comedi_subdevice *s,
	81	struct comedi_insn *insn,
	82	unsigned int *data);
ed9c5eeb ML	83
	84	/* */
	85
0a85b6f0 MT	86	static int adl_pci7432_attach(struct comedi_device *dev,
0a85b6f0 MT	87	struct comedi_devconfig *it)
ed9c5eeb	88	{
20fb2280	89	struct pci_dev *pcidev = NULL;
34c43922	90	struct comedi_subdevice *s;
ed9c5eeb ML	91	int bus, slot;
ed9c5eeb ML	92
ff492d38	93	printk(KERN_INFO "comedi%d: attach adl_pci7432\n", dev->minor);
ed9c5eeb ML	94
	95	dev->board_name = "pci7432";
	96	bus = it->options[0];
	97	slot = it->options[1];
	98
ddc3dbf4	99	if (alloc_private(dev, sizeof(struct adl_pci7432_private)) < 0)
ed9c5eeb ML	100	return -ENOMEM;
	101
	102	if (alloc_subdevices(dev, 2) < 0)
	103	return -ENOMEM;
	104
20fb2280	105	for_each_pci_dev(pcidev) {
ed9c5eeb	106	if (pcidev->vendor == PCI_VENDOR_ID_ADLINK &&
0a85b6f0	107	pcidev->device == PCI_DEVICE_ID_PCI7432) {
ed9c5eeb ML	108	if (bus \|\| slot) {
	109	/* requested particular bus/slot */
	110	if (pcidev->bus->number != bus
0a85b6f0	111	\|\| PCI_SLOT(pcidev->devfn) != slot) {
ed9c5eeb ML	112	continue;
	113	}
	114	}
	115	devpriv->pci_dev = pcidev;
	116	if (comedi_pci_enable(pcidev, "adl_pci7432") < 0) {
ff492d38	117	printk(KERN_ERR "comedi%d: Failed to enable PCI device and request regions\n",
0a85b6f0	118	dev->minor);
ed9c5eeb ML	119	return -EIO;
	120	}
	121	dev->iobase = pci_resource_start(pcidev, 2);
ff492d38 BJ	122	printk(KERN_INFO "comedi: base addr %4lx\n",
ff492d38 BJ	123	dev->iobase);
ed9c5eeb ML	124
	125	s = dev->subdevices + 0;
	126	s->type = COMEDI_SUBD_DI;
	127	s->subdev_flags =
0a85b6f0	128	SDF_READABLE \| SDF_GROUND \| SDF_COMMON;
ed9c5eeb ML	129	s->n_chan = 32;
	130	s->maxdata = 1;
	131	s->len_chanlist = 32;
	132	s->io_bits = 0x00000000;
	133	s->range_table = &range_digital;
	134	s->insn_bits = adl_pci7432_di_insn_bits;
	135
	136	s = dev->subdevices + 1;
	137	s->type = COMEDI_SUBD_DO;
	138	s->subdev_flags =
0a85b6f0	139	SDF_WRITABLE \| SDF_GROUND \| SDF_COMMON;
ed9c5eeb ML	140	s->n_chan = 32;
	141	s->maxdata = 1;
	142	s->len_chanlist = 32;
	143	s->io_bits = 0xffffffff;
	144	s->range_table = &range_digital;
	145	s->insn_bits = adl_pci7432_do_insn_bits;
	146
ff492d38 BJ	147	printk(KERN_DEBUG "comedi%d: adl_pci7432 attached\n",
ff492d38 BJ	148	dev->minor);
ed9c5eeb ML	149	return 1;
	150	}
	151	}
	152
ff492d38	153	printk(KERN_ERR "comedi%d: no supported board found! (req. bus/slot : %d/%d)\n",
0a85b6f0	154	dev->minor, bus, slot);
ed9c5eeb ML	155	return -EIO;
	156	}
	157
da91b269	158	static int adl_pci7432_detach(struct comedi_device *dev)
ed9c5eeb	159	{
ff492d38	160	printk(KERN_INFO "comedi%d: pci7432: remove\n", dev->minor);
ed9c5eeb ML	161
ed9c5eeb ML	162	if (devpriv && devpriv->pci_dev) {
ff492d38	163	if (dev->iobase)
ed9c5eeb	164	comedi_pci_disable(devpriv->pci_dev);
ed9c5eeb ML	165	pci_dev_put(devpriv->pci_dev);
	166	}
	167
	168	return 0;
	169	}
	170
0a85b6f0 MT	171	static int adl_pci7432_do_insn_bits(struct comedi_device *dev,
	172	struct comedi_subdevice *s,
	173	struct comedi_insn *insn,
	174	unsigned int *data)
ed9c5eeb	175	{
ff492d38 BJ	176	printk(KERN_DEBUG "comedi: pci7432_do_insn_bits called\n");
ff492d38 BJ	177	printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
ed9c5eeb ML	178
	179	if (insn->n != 2)
	180	return -EINVAL;
	181
	182	if (data[0]) {
	183	s->state &= ~data[0];
	184	s->state \|= (data[0] & data[1]);
	185
ff492d38	186	printk(KERN_DEBUG "comedi: out: %8x on iobase %4lx\n", s->state,
0a85b6f0	187	dev->iobase + PCI7432_DO);
ed9c5eeb ML	188	outl(s->state & 0xffffffff, dev->iobase + PCI7432_DO);
	189	}
	190	return 2;
	191	}
	192
0a85b6f0 MT	193	static int adl_pci7432_di_insn_bits(struct comedi_device *dev,
	194	struct comedi_subdevice *s,
	195	struct comedi_insn *insn,
	196	unsigned int *data)
ed9c5eeb	197	{
ff492d38 BJ	198	printk(KERN_DEBUG "comedi: pci7432_di_insn_bits called\n");
ff492d38 BJ	199	printk(KERN_DEBUG "comedi: data0: %8x data1: %8x\n", data[0], data[1]);
ed9c5eeb ML	200
	201	if (insn->n != 2)
	202	return -EINVAL;
	203
	204	data[1] = inl(dev->iobase + PCI7432_DI) & 0xffffffff;
ff492d38	205	printk(KERN_DEBUG "comedi: data1 %8x\n", data[1]);
ed9c5eeb ML	206
	207	return 2;
	208	}
	209
727b286b AT	210	static int __devinit driver_adl_pci7432_pci_probe(struct pci_dev *dev,
	211	const struct pci_device_id
	212	*ent)
	213	{
	214	return comedi_pci_auto_config(dev, driver_adl_pci7432.driver_name);
	215	}
	216
	217	static void __devexit driver_adl_pci7432_pci_remove(struct pci_dev *dev)
	218	{
	219	comedi_pci_auto_unconfig(dev);
	220	}
	221
	222	static struct pci_driver driver_adl_pci7432_pci_driver = {
	223	.id_table = adl_pci7432_pci_table,
	224	.probe = &driver_adl_pci7432_pci_probe,
	225	.remove = __devexit_p(&driver_adl_pci7432_pci_remove)
	226	};
	227
	228	static int __init driver_adl_pci7432_init_module(void)
	229	{
	230	int retval;
	231
	232	retval = comedi_driver_register(&driver_adl_pci7432);
	233	if (retval < 0)
	234	return retval;
	235
	236	driver_adl_pci7432_pci_driver.name =
	237	(char *)driver_adl_pci7432.driver_name;
	238	return pci_register_driver(&driver_adl_pci7432_pci_driver);
	239	}
	240
	241	static void __exit driver_adl_pci7432_cleanup_module(void)
	242	{
	243	pci_unregister_driver(&driver_adl_pci7432_pci_driver);
	244	comedi_driver_unregister(&driver_adl_pci7432);
	245	}
	246
	247	module_init(driver_adl_pci7432_init_module);
	248	module_exit(driver_adl_pci7432_cleanup_module);
90f703d3 AT	249
	250	MODULE_AUTHOR("Comedi http://www.comedi.org");
	251	MODULE_DESCRIPTION("Comedi low-level driver");
	252	MODULE_LICENSE("GPL");