[linux-2.6-block.git] / drivers / staging / comedi / drivers / addi_apci_2032.c

/*
 * addi_apci_2032.c
 * Copyright (C) 2004,2005  ADDI-DATA GmbH for the source code of this module.
 * Project manager: Eric Stolz
 *
 *	ADDI-DATA GmbH
 *	Dieselstrasse 3
 *	D-77833 Ottersweier
 *	Tel: +19(0)7223/9493-0
 *	Fax: +49(0)7223/9493-92
 *	http://www.addi-data.com
 *	info@addi-data.com
 *
 * 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.
 */

#include <linux/module.h>
#include <linux/pci.h>
#include <linux/interrupt.h>
#include <linux/slab.h>

#include "../comedidev.h"
#include "addi_watchdog.h"
#include "comedi_fc.h"

/*
 * PCI bar 1 I/O Register map
 */
#define APCI2032_DO_REG			0x00
#define APCI2032_INT_CTRL_REG		0x04
#define APCI2032_INT_CTRL_VCC_ENA	(1 << 0)
#define APCI2032_INT_CTRL_CC_ENA	(1 << 1)
#define APCI2032_INT_STATUS_REG		0x08
#define APCI2032_INT_STATUS_VCC		(1 << 0)
#define APCI2032_INT_STATUS_CC		(1 << 1)
#define APCI2032_STATUS_REG		0x0c
#define APCI2032_STATUS_IRQ		(1 << 0)
#define APCI2032_WDOG_REG		0x10

struct apci2032_int_private {
	spinlock_t spinlock;
	bool active;
	unsigned char enabled_isns;
};

static int apci2032_do_insn_bits(struct comedi_device *dev,
				 struct comedi_subdevice *s,
				 struct comedi_insn *insn,
				 unsigned int *data)
{
	s->state = inl(dev->iobase + APCI2032_DO_REG);

	if (comedi_dio_update_state(s, data))
		outl(s->state, dev->iobase + APCI2032_DO_REG);

	data[1] = s->state;

	return insn->n;
}

static int apci2032_int_insn_bits(struct comedi_device *dev,
				  struct comedi_subdevice *s,
				  struct comedi_insn *insn,
				  unsigned int *data)
{
	data[1] = inl(dev->iobase + APCI2032_INT_STATUS_REG) & 3;
	return insn->n;
}

static void apci2032_int_stop(struct comedi_device *dev,
			      struct comedi_subdevice *s)
{
	struct apci2032_int_private *subpriv = s->private;

	subpriv->active = false;
	subpriv->enabled_isns = 0;
	outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
}

static int apci2032_int_cmdtest(struct comedi_device *dev,
				struct comedi_subdevice *s,
				struct comedi_cmd *cmd)
{
	int err = 0;

	/* Step 1 : check if triggers are trivially valid */

	err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
	err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_EXT);
	err |= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW);
	err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
	err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);

	if (err)
		return 1;

	/* Step 2a : make sure trigger sources are unique */
	err |= cfc_check_trigger_is_unique(cmd->stop_src);

	/* Step 2b : and mutually compatible */

	if (err)
		return 2;

	/* Step 3: check if arguments are trivially valid */

	err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
	err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
	err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
	err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
	if (cmd->stop_src == TRIG_COUNT)
		err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
	else	/* TRIG_NONE */
		err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);

	if (err)
		return 3;

	/* Step 4: fix up any arguments */

	/* Step 5: check channel list if it exists */

	return 0;
}

static int apci2032_int_cmd(struct comedi_device *dev,
			    struct comedi_subdevice *s)
{
	struct comedi_cmd *cmd = &s->async->cmd;
	struct apci2032_int_private *subpriv = s->private;
	unsigned char enabled_isns;
	unsigned int n;
	unsigned long flags;

	enabled_isns = 0;
	for (n = 0; n < cmd->chanlist_len; n++)
		enabled_isns |= 1 << CR_CHAN(cmd->chanlist[n]);

	spin_lock_irqsave(&subpriv->spinlock, flags);

	subpriv->enabled_isns = enabled_isns;
	subpriv->active = true;
	outl(enabled_isns, dev->iobase + APCI2032_INT_CTRL_REG);

	spin_unlock_irqrestore(&subpriv->spinlock, flags);

	return 0;
}

static int apci2032_int_cancel(struct comedi_device *dev,
			       struct comedi_subdevice *s)
{
	struct apci2032_int_private *subpriv = s->private;
	unsigned long flags;

	spin_lock_irqsave(&subpriv->spinlock, flags);
	if (subpriv->active)
		apci2032_int_stop(dev, s);
	spin_unlock_irqrestore(&subpriv->spinlock, flags);

	return 0;
}

static irqreturn_t apci2032_interrupt(int irq, void *d)
{
	struct comedi_device *dev = d;
	struct comedi_subdevice *s = dev->read_subdev;
	struct comedi_cmd *cmd = &s->async->cmd;
	struct apci2032_int_private *subpriv;
	unsigned int val;

	if (!dev->attached)
		return IRQ_NONE;

	/* Check if VCC OR CC interrupt has occurred */
	val = inl(dev->iobase + APCI2032_STATUS_REG) & APCI2032_STATUS_IRQ;
	if (!val)
		return IRQ_NONE;

	subpriv = s->private;
	spin_lock(&subpriv->spinlock);

	val = inl(dev->iobase + APCI2032_INT_STATUS_REG) & 3;
	/* Disable triggered interrupt sources. */
	outl(~val & 3, dev->iobase + APCI2032_INT_CTRL_REG);
	/*
	 * Note: We don't reenable the triggered interrupt sources because they
	 * are level-sensitive, hardware error status interrupt sources and
	 * they'd keep triggering interrupts repeatedly.
	 */

	if (subpriv->active && (val & subpriv->enabled_isns) != 0) {
		unsigned short bits = 0;
		int i;

		/* Bits in scan data correspond to indices in channel list. */
		for (i = 0; i < cmd->chanlist_len; i++) {
			unsigned int chan = CR_CHAN(cmd->chanlist[i]);

			if (val & (1 << chan))
				bits |= (1 << i);
		}

		comedi_buf_write_samples(s, &bits, 1);

		if (cmd->stop_src == TRIG_COUNT &&
		    s->async->scans_done >= cmd->stop_arg)
			s->async->events |= COMEDI_CB_EOA;
	}

	spin_unlock(&subpriv->spinlock);

	comedi_handle_events(dev, s);

	return IRQ_HANDLED;
}

static int apci2032_reset(struct comedi_device *dev)
{
	outl(0x0, dev->iobase + APCI2032_DO_REG);
	outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);

	addi_watchdog_reset(dev->iobase + APCI2032_WDOG_REG);

	return 0;
}

static int apci2032_auto_attach(struct comedi_device *dev,
				unsigned long context_unused)
{
	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
	struct comedi_subdevice *s;
	int ret;

	ret = comedi_pci_enable(dev);
	if (ret)
		return ret;
	dev->iobase = pci_resource_start(pcidev, 1);
	apci2032_reset(dev);

	if (pcidev->irq > 0) {
		ret = request_irq(pcidev->irq, apci2032_interrupt,
				  IRQF_SHARED, dev->board_name, dev);
		if (ret == 0)
			dev->irq = pcidev->irq;
	}

	ret = comedi_alloc_subdevices(dev, 3);
	if (ret)
		return ret;

	/* Initialize the digital output subdevice */
	s = &dev->subdevices[0];
	s->type		= COMEDI_SUBD_DO;
	s->subdev_flags	= SDF_WRITABLE;
	s->n_chan	= 32;
	s->maxdata	= 1;
	s->range_table	= &range_digital;
	s->insn_bits	= apci2032_do_insn_bits;

	/* Initialize the watchdog subdevice */
	s = &dev->subdevices[1];
	ret = addi_watchdog_init(s, dev->iobase + APCI2032_WDOG_REG);
	if (ret)
		return ret;

	/* Initialize the interrupt subdevice */
	s = &dev->subdevices[2];
	s->type		= COMEDI_SUBD_DI;
	s->subdev_flags	= SDF_READABLE;
	s->n_chan	= 2;
	s->maxdata	= 1;
	s->range_table	= &range_digital;
	s->insn_bits	= apci2032_int_insn_bits;
	if (dev->irq) {
		struct apci2032_int_private *subpriv;

		dev->read_subdev = s;
		subpriv = kzalloc(sizeof(*subpriv), GFP_KERNEL);
		if (!subpriv)
			return -ENOMEM;
		spin_lock_init(&subpriv->spinlock);
		s->private	= subpriv;
		s->subdev_flags	= SDF_READABLE | SDF_CMD_READ | SDF_PACKED;
		s->len_chanlist = 2;
		s->do_cmdtest	= apci2032_int_cmdtest;
		s->do_cmd	= apci2032_int_cmd;
		s->cancel	= apci2032_int_cancel;
	}

	return 0;
}

static void apci2032_detach(struct comedi_device *dev)
{
	if (dev->iobase)
		apci2032_reset(dev);
	comedi_pci_detach(dev);
	if (dev->read_subdev)
		kfree(dev->read_subdev->private);
}

static struct comedi_driver apci2032_driver = {
	.driver_name	= "addi_apci_2032",
	.module		= THIS_MODULE,
	.auto_attach	= apci2032_auto_attach,
	.detach		= apci2032_detach,
};

static int apci2032_pci_probe(struct pci_dev *dev,
			      const struct pci_device_id *id)
{
	return comedi_pci_auto_config(dev, &apci2032_driver, id->driver_data);
}

static const struct pci_device_id apci2032_pci_table[] = {
	{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1004) },
	{ 0 }
};
MODULE_DEVICE_TABLE(pci, apci2032_pci_table);

static struct pci_driver apci2032_pci_driver = {
	.name		= "addi_apci_2032",
	.id_table	= apci2032_pci_table,
	.probe		= apci2032_pci_probe,
	.remove		= comedi_pci_auto_unconfig,
};
module_comedi_pci_driver(apci2032_driver, apci2032_pci_driver);

MODULE_AUTHOR("Comedi http://www.comedi.org");
MODULE_DESCRIPTION("ADDI-DATA APCI-2032, 32 channel DO boards");
MODULE_LICENSE("GPL");
Commit	Line	Data
d02178b7 HS	1	/*
	2	* addi_apci_2032.c
	3	* Copyright (C) 2004,2005 ADDI-DATA GmbH for the source code of this module.
	4	* Project manager: Eric Stolz
	5	*
	6	* ADDI-DATA GmbH
	7	* Dieselstrasse 3
	8	* D-77833 Ottersweier
	9	* Tel: +19(0)7223/9493-0
	10	* Fax: +49(0)7223/9493-92
	11	* http://www.addi-data.com
	12	* info@addi-data.com
	13	*
	14	* This program is free software; you can redistribute it and/or modify it
	15	* under the terms of the GNU General Public License as published by the
	16	* Free Software Foundation; either version 2 of the License, or (at your
	17	* option) any later version.
	18	*
	19	* This program is distributed in the hope that it will be useful, but WITHOUT
	20	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	21	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
	22	* more details.
d02178b7 HS	23	*/
d02178b7 HS	24
ce157f80	25	#include <linux/module.h>
33782dd5	26	#include <linux/pci.h>
abac8b54	27	#include <linux/interrupt.h>
bcc27c82	28	#include <linux/slab.h>
abac8b54	29
3d41c443	30	#include "../comedidev.h"
5b62fe2a	31	#include "addi_watchdog.h"
3d41c443 HS	32	#include "comedi_fc.h"
3d41c443 HS	33
d02178b7 HS	34	/*
	35	* PCI bar 1 I/O Register map
	36	*/
7180eb30 HS	37	#define APCI2032_DO_REG 0x00
	38	#define APCI2032_INT_CTRL_REG 0x04
	39	#define APCI2032_INT_CTRL_VCC_ENA (1 << 0)
	40	#define APCI2032_INT_CTRL_CC_ENA (1 << 1)
	41	#define APCI2032_INT_STATUS_REG 0x08
	42	#define APCI2032_INT_STATUS_VCC (1 << 0)
	43	#define APCI2032_INT_STATUS_CC (1 << 1)
	44	#define APCI2032_STATUS_REG 0x0c
	45	#define APCI2032_STATUS_IRQ (1 << 0)
	46	#define APCI2032_WDOG_REG 0x10
23fb1747	47
5c2d4cba IA	48	struct apci2032_int_private {
	49	spinlock_t spinlock;
	50	bool active;
	51	unsigned char enabled_isns;
	52	};
	53
d02178b7 HS	54	static int apci2032_do_insn_bits(struct comedi_device *dev,
	55	struct comedi_subdevice *s,
	56	struct comedi_insn *insn,
	57	unsigned int *data)
	58	{
7180eb30	59	s->state = inl(dev->iobase + APCI2032_DO_REG);
d02178b7	60
97f4289a	61	if (comedi_dio_update_state(s, data))
7180eb30	62	outl(s->state, dev->iobase + APCI2032_DO_REG);
d02178b7 HS	63
	64	data[1] = s->state;
	65
	66	return insn->n;
	67	}
	68
05fcdced HS	69	static int apci2032_int_insn_bits(struct comedi_device *dev,
	70	struct comedi_subdevice *s,
	71	struct comedi_insn *insn,
	72	unsigned int *data)
b3b7dab7	73	{
b652bd83	74	data[1] = inl(dev->iobase + APCI2032_INT_STATUS_REG) & 3;
05fcdced HS	75	return insn->n;
05fcdced HS	76	}
b3b7dab7	77
5c2d4cba IA	78	static void apci2032_int_stop(struct comedi_device *dev,
	79	struct comedi_subdevice *s)
	80	{
	81	struct apci2032_int_private *subpriv = s->private;
	82
	83	subpriv->active = false;
	84	subpriv->enabled_isns = 0;
	85	outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
	86	}
	87
05fcdced HS	88	static int apci2032_int_cmdtest(struct comedi_device *dev,
	89	struct comedi_subdevice *s,
	90	struct comedi_cmd *cmd)
	91	{
	92	int err = 0;
b3b7dab7	93
05fcdced	94	/* Step 1 : check if triggers are trivially valid */
b3b7dab7	95
05fcdced	96	err \|= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
5c2d4cba IA	97	err \|= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_EXT);
5c2d4cba IA	98	err \|= cfc_check_trigger_src(&cmd->convert_src, TRIG_NOW);
05fcdced	99	err \|= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
215caceb	100	err \|= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT \| TRIG_NONE);
b3b7dab7	101
05fcdced HS	102	if (err)
05fcdced HS	103	return 1;
b3b7dab7	104
05fcdced	105	/* Step 2a : make sure trigger sources are unique */
215caceb IA	106	err \|= cfc_check_trigger_is_unique(cmd->stop_src);
215caceb IA	107
05fcdced HS	108	/* Step 2b : and mutually compatible */
	109
	110	if (err)
	111	return 2;
	112
	113	/* Step 3: check if arguments are trivially valid */
	114
	115	err \|= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
5c2d4cba	116	err \|= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
05fcdced	117	err \|= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
5c2d4cba	118	err \|= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
52c22b80 HS	119	if (cmd->stop_src == TRIG_COUNT)
	120	err \|= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
	121	else /* TRIG_NONE */
215caceb	122	err \|= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
05fcdced HS	123
	124	if (err)
	125	return 3;
	126
b3cdebbf	127	/* Step 4: fix up any arguments */
05fcdced	128
b3cdebbf	129	/* Step 5: check channel list if it exists */
05fcdced HS	130
05fcdced HS	131	return 0;
b3b7dab7 HS	132	}
b3b7dab7 HS	133
05fcdced HS	134	static int apci2032_int_cmd(struct comedi_device *dev,
05fcdced HS	135	struct comedi_subdevice *s)
d02178b7	136	{
05fcdced	137	struct comedi_cmd *cmd = &s->async->cmd;
5c2d4cba IA	138	struct apci2032_int_private *subpriv = s->private;
	139	unsigned char enabled_isns;
	140	unsigned int n;
	141	unsigned long flags;
	142
	143	enabled_isns = 0;
	144	for (n = 0; n < cmd->chanlist_len; n++)
	145	enabled_isns \|= 1 << CR_CHAN(cmd->chanlist[n]);
05fcdced	146
5c2d4cba	147	spin_lock_irqsave(&subpriv->spinlock, flags);
05fcdced	148
103e2801	149	subpriv->enabled_isns = enabled_isns;
103e2801 HS	150	subpriv->active = true;
	151	outl(enabled_isns, dev->iobase + APCI2032_INT_CTRL_REG);
	152
	153	spin_unlock_irqrestore(&subpriv->spinlock, flags);
215caceb	154
05fcdced	155	return 0;
d02178b7	156	}
7180eb30	157
05fcdced HS	158	static int apci2032_int_cancel(struct comedi_device *dev,
05fcdced HS	159	struct comedi_subdevice *s)
d02178b7	160	{
5c2d4cba IA	161	struct apci2032_int_private *subpriv = s->private;
	162	unsigned long flags;
	163
	164	spin_lock_irqsave(&subpriv->spinlock, flags);
	165	if (subpriv->active)
	166	apci2032_int_stop(dev, s);
	167	spin_unlock_irqrestore(&subpriv->spinlock, flags);
d02178b7	168
05fcdced	169	return 0;
d02178b7	170	}
317285d7	171
05fcdced	172	static irqreturn_t apci2032_interrupt(int irq, void *d)
25adf2cc	173	{
05fcdced HS	174	struct comedi_device *dev = d;
05fcdced HS	175	struct comedi_subdevice *s = dev->read_subdev;
56e78120	176	struct comedi_cmd *cmd = &s->async->cmd;
5c2d4cba	177	struct apci2032_int_private *subpriv;
05fcdced HS	178	unsigned int val;
05fcdced HS	179
0774c2b5 IA	180	if (!dev->attached)
	181	return IRQ_NONE;
	182
05fcdced HS	183	/* Check if VCC OR CC interrupt has occurred */
	184	val = inl(dev->iobase + APCI2032_STATUS_REG) & APCI2032_STATUS_IRQ;
	185	if (!val)
	186	return IRQ_NONE;
	187
5c2d4cba IA	188	subpriv = s->private;
	189	spin_lock(&subpriv->spinlock);
	190
b652bd83	191	val = inl(dev->iobase + APCI2032_INT_STATUS_REG) & 3;
ef6543db IA	192	/* Disable triggered interrupt sources. */
	193	outl(~val & 3, dev->iobase + APCI2032_INT_CTRL_REG);
	194	/*
	195	* Note: We don't reenable the triggered interrupt sources because they
	196	* are level-sensitive, hardware error status interrupt sources and
	197	* they'd keep triggering interrupts repeatedly.
	198	*/
05fcdced	199
5c2d4cba	200	if (subpriv->active && (val & subpriv->enabled_isns) != 0) {
56e78120 HS	201	unsigned short bits = 0;
56e78120 HS	202	int i;
5c2d4cba IA	203
5c2d4cba IA	204	/* Bits in scan data correspond to indices in channel list. */
56e78120 HS	205	for (i = 0; i < cmd->chanlist_len; i++) {
	206	unsigned int chan = CR_CHAN(cmd->chanlist[i]);
	207
	208	if (val & (1 << chan))
	209	bits \|= (1 << i);
	210	}
5c2d4cba	211
d1c87ceb HS	212	comedi_buf_write_samples(s, &bits, 1);
	213
	214	if (cmd->stop_src == TRIG_COUNT &&
	215	s->async->scans_done >= cmd->stop_arg)
	216	s->async->events \|= COMEDI_CB_EOA;
5c2d4cba IA	217	}
	218
	219	spin_unlock(&subpriv->spinlock);
7ff4b584 HS	220
7ff4b584 HS	221	comedi_handle_events(dev, s);
05fcdced HS	222
05fcdced HS	223	return IRQ_HANDLED;
25adf2cc HS	224	}
25adf2cc HS	225
791c9792	226	static int apci2032_reset(struct comedi_device *dev)
25adf2cc	227	{
7180eb30 HS	228	outl(0x0, dev->iobase + APCI2032_DO_REG);
7180eb30 HS	229	outl(0x0, dev->iobase + APCI2032_INT_CTRL_REG);
5b62fe2a HS	230
5b62fe2a HS	231	addi_watchdog_reset(dev->iobase + APCI2032_WDOG_REG);
25adf2cc	232
25adf2cc HS	233	return 0;
	234	}
	235
25adf2cc HS	236	static int apci2032_auto_attach(struct comedi_device *dev,
	237	unsigned long context_unused)
	238	{
	239	struct pci_dev *pcidev = comedi_to_pci_dev(dev);
25adf2cc	240	struct comedi_subdevice *s;
0c33bdd0	241	int ret;
25adf2cc	242
818f569f	243	ret = comedi_pci_enable(dev);
25adf2cc HS	244	if (ret)
25adf2cc HS	245	return ret;
70ff4065	246	dev->iobase = pci_resource_start(pcidev, 1);
0774c2b5	247	apci2032_reset(dev);
25adf2cc	248
25adf2cc	249	if (pcidev->irq > 0) {
05fcdced HS	250	ret = request_irq(pcidev->irq, apci2032_interrupt,
05fcdced HS	251	IRQF_SHARED, dev->board_name, dev);
25adf2cc HS	252	if (ret == 0)
	253	dev->irq = pcidev->irq;
	254	}
	255
05fcdced	256	ret = comedi_alloc_subdevices(dev, 3);
25adf2cc HS	257	if (ret)
	258	return ret;
	259
0c33bdd0	260	/* Initialize the digital output subdevice */
25adf2cc	261	s = &dev->subdevices[0];
cf110882	262	s->type = COMEDI_SUBD_DO;
ef49d832	263	s->subdev_flags = SDF_WRITABLE;
cf110882 HS	264	s->n_chan = 32;
	265	s->maxdata = 1;
	266	s->range_table = &range_digital;
cf110882	267	s->insn_bits = apci2032_do_insn_bits;
25adf2cc	268
0c33bdd0 HS	269	/* Initialize the watchdog subdevice */
0c33bdd0 HS	270	s = &dev->subdevices[1];
5b62fe2a HS	271	ret = addi_watchdog_init(s, dev->iobase + APCI2032_WDOG_REG);
	272	if (ret)
	273	return ret;
25adf2cc	274
05fcdced HS	275	/* Initialize the interrupt subdevice */
05fcdced HS	276	s = &dev->subdevices[2];
5f6c2a95 IA	277	s->type = COMEDI_SUBD_DI;
	278	s->subdev_flags = SDF_READABLE;
	279	s->n_chan = 2;
	280	s->maxdata = 1;
	281	s->range_table = &range_digital;
	282	s->insn_bits = apci2032_int_insn_bits;
05fcdced	283	if (dev->irq) {
5c2d4cba IA	284	struct apci2032_int_private *subpriv;
5c2d4cba IA	285
05fcdced	286	dev->read_subdev = s;
5c2d4cba IA	287	subpriv = kzalloc(sizeof(*subpriv), GFP_KERNEL);
	288	if (!subpriv)
	289	return -ENOMEM;
	290	spin_lock_init(&subpriv->spinlock);
	291	s->private = subpriv;
4c704690	292	s->subdev_flags = SDF_READABLE \| SDF_CMD_READ \| SDF_PACKED;
5c2d4cba	293	s->len_chanlist = 2;
05fcdced HS	294	s->do_cmdtest = apci2032_int_cmdtest;
	295	s->do_cmd = apci2032_int_cmd;
	296	s->cancel = apci2032_int_cancel;
05fcdced HS	297	}
05fcdced HS	298
25adf2cc HS	299	return 0;
	300	}
	301
	302	static void apci2032_detach(struct comedi_device *dev)
	303	{
dce10abc HS	304	if (dev->iobase)
dce10abc HS	305	apci2032_reset(dev);
aac307f9	306	comedi_pci_detach(dev);
5c2d4cba IA	307	if (dev->read_subdev)
5c2d4cba IA	308	kfree(dev->read_subdev->private);
25adf2cc HS	309	}
25adf2cc HS	310
20a22b70 HS	311	static struct comedi_driver apci2032_driver = {
	312	.driver_name = "addi_apci_2032",
	313	.module = THIS_MODULE,
25adf2cc HS	314	.auto_attach = apci2032_auto_attach,
25adf2cc HS	315	.detach = apci2032_detach,
20a22b70 HS	316	};
20a22b70 HS	317
a690b7e5	318	static int apci2032_pci_probe(struct pci_dev *dev,
b8f4ac23	319	const struct pci_device_id *id)
20a22b70	320	{
b8f4ac23	321	return comedi_pci_auto_config(dev, &apci2032_driver, id->driver_data);
20a22b70 HS	322	}
20a22b70 HS	323
41e043fc	324	static const struct pci_device_id apci2032_pci_table[] = {
317285d7 HS	325	{ PCI_DEVICE(PCI_VENDOR_ID_ADDIDATA, 0x1004) },
	326	{ 0 }
	327	};
20a22b70	328	MODULE_DEVICE_TABLE(pci, apci2032_pci_table);
317285d7	329
20a22b70 HS	330	static struct pci_driver apci2032_pci_driver = {
	331	.name = "addi_apci_2032",
	332	.id_table = apci2032_pci_table,
	333	.probe = apci2032_pci_probe,
9901a4d7	334	.remove = comedi_pci_auto_unconfig,
20a22b70 HS	335	};
20a22b70 HS	336	module_comedi_pci_driver(apci2032_driver, apci2032_pci_driver);
90f703d3 AT	337
90f703d3 AT	338	MODULE_AUTHOR("Comedi http://www.comedi.org");
b5ebcaa8	339	MODULE_DESCRIPTION("ADDI-DATA APCI-2032, 32 channel DO boards");
90f703d3	340	MODULE_LICENSE("GPL");