[GitHub/mt8127/android_kernel_alcatel_ttab.git] / drivers / staging / comedi / drivers / multiq3.c

/*
   comedi/drivers/multiq3.c
   Hardware driver for Quanser Consulting MultiQ-3 board

   COMEDI - Linux Control and Measurement Device Interface
   Copyright (C) 1999 Anders Blomdell <anders.blomdell@control.lth.se>

   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: multiq3
Description: Quanser Consulting MultiQ-3
Author: Anders Blomdell <anders.blomdell@control.lth.se>
Status: works
Devices: [Quanser Consulting] MultiQ-3 (multiq3)

*/

#include <linux/interrupt.h>
#include "../comedidev.h"

#include <linux/ioport.h>

#define MULTIQ3_SIZE 16

/*
 * MULTIQ-3 port offsets
 */
#define MULTIQ3_DIGIN_PORT 0
#define MULTIQ3_DIGOUT_PORT 0
#define MULTIQ3_DAC_DATA 2
#define MULTIQ3_AD_DATA 4
#define MULTIQ3_AD_CS 4
#define MULTIQ3_STATUS 6
#define MULTIQ3_CONTROL 6
#define MULTIQ3_CLK_DATA 8
#define MULTIQ3_ENC_DATA 12
#define MULTIQ3_ENC_CONTROL 14

/*
 * flags for CONTROL register
 */
#define MULTIQ3_AD_MUX_EN      0x0040
#define MULTIQ3_AD_AUTOZ       0x0080
#define MULTIQ3_AD_AUTOCAL     0x0100
#define MULTIQ3_AD_SH          0x0200
#define MULTIQ3_AD_CLOCK_4M    0x0400
#define MULTIQ3_DA_LOAD                0x1800

#define MULTIQ3_CONTROL_MUST    0x0600

/*
 * flags for STATUS register
 */
#define MULTIQ3_STATUS_EOC      0x008
#define MULTIQ3_STATUS_EOC_I    0x010

/*
 * flags for encoder control
 */
#define MULTIQ3_CLOCK_DATA      0x00
#define MULTIQ3_CLOCK_SETUP     0x18
#define MULTIQ3_INPUT_SETUP     0x41
#define MULTIQ3_QUAD_X4         0x38
#define MULTIQ3_BP_RESET        0x01
#define MULTIQ3_CNTR_RESET      0x02
#define MULTIQ3_TRSFRPR_CTR     0x08
#define MULTIQ3_TRSFRCNTR_OL    0x10
#define MULTIQ3_EFLAG_RESET     0x06

#define MULTIQ3_TIMEOUT 30

static int multiq3_attach(struct comedi_device *dev,
			  struct comedi_devconfig *it);
static int multiq3_detach(struct comedi_device *dev);
static struct comedi_driver driver_multiq3 = {
	.driver_name = "multiq3",
	.module = THIS_MODULE,
	.attach = multiq3_attach,
	.detach = multiq3_detach,
};

COMEDI_INITCLEANUP(driver_multiq3);

struct multiq3_private {
	unsigned int ao_readback[2];
};
#define devpriv ((struct multiq3_private *)dev->private)

static int multiq3_ai_insn_read(struct comedi_device *dev,
				struct comedi_subdevice *s,
				struct comedi_insn *insn, unsigned int *data)
{
	int i, n;
	int chan;
	unsigned int hi, lo;

	chan = CR_CHAN(insn->chanspec);
	outw(MULTIQ3_CONTROL_MUST | MULTIQ3_AD_MUX_EN | (chan << 3),
	     dev->iobase + MULTIQ3_CONTROL);

	for (i = 0; i < MULTIQ3_TIMEOUT; i++) {
		if (inw(dev->iobase + MULTIQ3_STATUS) & MULTIQ3_STATUS_EOC)
			break;
	}
	if (i == MULTIQ3_TIMEOUT)
		return -ETIMEDOUT;

	for (n = 0; n < insn->n; n++) {
		outw(0, dev->iobase + MULTIQ3_AD_CS);
		for (i = 0; i < MULTIQ3_TIMEOUT; i++) {
			if (inw(dev->iobase +
				MULTIQ3_STATUS) & MULTIQ3_STATUS_EOC_I)
				break;
		}
		if (i == MULTIQ3_TIMEOUT)
			return -ETIMEDOUT;

		hi = inb(dev->iobase + MULTIQ3_AD_CS);
		lo = inb(dev->iobase + MULTIQ3_AD_CS);
		data[n] = (((hi << 8) | lo) + 0x1000) & 0x1fff;
	}

	return n;
}

static int multiq3_ao_insn_read(struct comedi_device *dev,
				struct comedi_subdevice *s,
				struct comedi_insn *insn, unsigned int *data)
{
	int i;
	int chan = CR_CHAN(insn->chanspec);

	for (i = 0; i < insn->n; i++)
		data[i] = devpriv->ao_readback[chan];

	return i;
}

static int multiq3_ao_insn_write(struct comedi_device *dev,
				 struct comedi_subdevice *s,
				 struct comedi_insn *insn, unsigned int *data)
{
	int i;
	int chan = CR_CHAN(insn->chanspec);

	for (i = 0; i < insn->n; i++) {
		outw(MULTIQ3_CONTROL_MUST | MULTIQ3_DA_LOAD | chan,
		     dev->iobase + MULTIQ3_CONTROL);
		outw(data[i], dev->iobase + MULTIQ3_DAC_DATA);
		outw(MULTIQ3_CONTROL_MUST, dev->iobase + MULTIQ3_CONTROL);

		devpriv->ao_readback[chan] = data[i];
	}

	return i;
}

static int multiq3_di_insn_bits(struct comedi_device *dev,
				struct comedi_subdevice *s,
				struct comedi_insn *insn, unsigned int *data)
{
	if (insn->n != 2)
		return -EINVAL;

	data[1] = inw(dev->iobase + MULTIQ3_DIGIN_PORT);

	return 2;
}

static int multiq3_do_insn_bits(struct comedi_device *dev,
				struct comedi_subdevice *s,
				struct comedi_insn *insn, unsigned int *data)
{
	if (insn->n != 2)
		return -EINVAL;

	s->state &= ~data[0];
	s->state |= (data[0] & data[1]);
	outw(s->state, dev->iobase + MULTIQ3_DIGOUT_PORT);

	data[1] = s->state;

	return 2;
}

static int multiq3_encoder_insn_read(struct comedi_device *dev,
				     struct comedi_subdevice *s,
				     struct comedi_insn *insn,
				     unsigned int *data)
{
	int n;
	int chan = CR_CHAN(insn->chanspec);
	int control = MULTIQ3_CONTROL_MUST | MULTIQ3_AD_MUX_EN | (chan << 3);

	for (n = 0; n < insn->n; n++) {
		int value;
		outw(control, dev->iobase + MULTIQ3_CONTROL);
		outb(MULTIQ3_BP_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
		outb(MULTIQ3_TRSFRCNTR_OL, dev->iobase + MULTIQ3_ENC_CONTROL);
		value = inb(dev->iobase + MULTIQ3_ENC_DATA);
		value |= (inb(dev->iobase + MULTIQ3_ENC_DATA) << 8);
		value |= (inb(dev->iobase + MULTIQ3_ENC_DATA) << 16);
		data[n] = (value + 0x800000) & 0xffffff;
	}

	return n;
}

static void encoder_reset(struct comedi_device *dev)
{
	int chan;
	for (chan = 0; chan < dev->subdevices[4].n_chan; chan++) {
		int control =
		    MULTIQ3_CONTROL_MUST | MULTIQ3_AD_MUX_EN | (chan << 3);
		outw(control, dev->iobase + MULTIQ3_CONTROL);
		outb(MULTIQ3_EFLAG_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
		outb(MULTIQ3_BP_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
		outb(MULTIQ3_CLOCK_DATA, dev->iobase + MULTIQ3_ENC_DATA);
		outb(MULTIQ3_CLOCK_SETUP, dev->iobase + MULTIQ3_ENC_CONTROL);
		outb(MULTIQ3_INPUT_SETUP, dev->iobase + MULTIQ3_ENC_CONTROL);
		outb(MULTIQ3_QUAD_X4, dev->iobase + MULTIQ3_ENC_CONTROL);
		outb(MULTIQ3_CNTR_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
	}
}

/*
   options[0] - I/O port
   options[1] - irq
   options[2] - number of encoder chips installed
 */

static int multiq3_attach(struct comedi_device *dev,
			  struct comedi_devconfig *it)
{
	int result = 0;
	unsigned long iobase;
	unsigned int irq;
	struct comedi_subdevice *s;

	iobase = it->options[0];
	printk(KERN_INFO "comedi%d: multiq3: 0x%04lx ", dev->minor, iobase);
	if (!request_region(iobase, MULTIQ3_SIZE, "multiq3")) {
		printk(KERN_ERR "comedi%d: I/O port conflict\n", dev->minor);
		return -EIO;
	}

	dev->iobase = iobase;

	irq = it->options[1];
	if (irq)
		printk(KERN_WARNING "comedi%d: irq = %u ignored\n",
			dev->minor, irq);
	else
		printk(KERN_WARNING "comedi%d: no irq\n", dev->minor);
	dev->board_name = "multiq3";
	result = alloc_subdevices(dev, 5);
	if (result < 0)
		return result;

	result = alloc_private(dev, sizeof(struct multiq3_private));
	if (result < 0)
		return result;

	s = dev->subdevices + 0;
	/* ai subdevice */
	s->type = COMEDI_SUBD_AI;
	s->subdev_flags = SDF_READABLE | SDF_GROUND;
	s->n_chan = 8;
	s->insn_read = multiq3_ai_insn_read;
	s->maxdata = 0x1fff;
	s->range_table = &range_bipolar5;

	s = dev->subdevices + 1;
	/* ao subdevice */
	s->type = COMEDI_SUBD_AO;
	s->subdev_flags = SDF_WRITABLE;
	s->n_chan = 8;
	s->insn_read = multiq3_ao_insn_read;
	s->insn_write = multiq3_ao_insn_write;
	s->maxdata = 0xfff;
	s->range_table = &range_bipolar5;

	s = dev->subdevices + 2;
	/* di subdevice */
	s->type = COMEDI_SUBD_DI;
	s->subdev_flags = SDF_READABLE;
	s->n_chan = 16;
	s->insn_bits = multiq3_di_insn_bits;
	s->maxdata = 1;
	s->range_table = &range_digital;

	s = dev->subdevices + 3;
	/* do subdevice */
	s->type = COMEDI_SUBD_DO;
	s->subdev_flags = SDF_WRITABLE;
	s->n_chan = 16;
	s->insn_bits = multiq3_do_insn_bits;
	s->maxdata = 1;
	s->range_table = &range_digital;
	s->state = 0;

	s = dev->subdevices + 4;
	/* encoder (counter) subdevice */
	s->type = COMEDI_SUBD_COUNTER;
	s->subdev_flags = SDF_READABLE | SDF_LSAMPL;
	s->n_chan = it->options[2] * 2;
	s->insn_read = multiq3_encoder_insn_read;
	s->maxdata = 0xffffff;
	s->range_table = &range_unknown;

	encoder_reset(dev);

	return 0;
}

static int multiq3_detach(struct comedi_device *dev)
{
	printk(KERN_INFO "comedi%d: multiq3: remove\n", dev->minor);

	if (dev->iobase)
		release_region(dev->iobase, MULTIQ3_SIZE);
	if (dev->irq)
		free_irq(dev->irq, dev);

	return 0;
}
Commit	Line	Data
77e01cdb AB	1	/*
	2	comedi/drivers/multiq3.c
	3	Hardware driver for Quanser Consulting MultiQ-3 board
	4
	5	COMEDI - Linux Control and Measurement Device Interface
	6	Copyright (C) 1999 Anders Blomdell <anders.blomdell@control.lth.se>
	7
	8	This program is free software; you can redistribute it and/or modify
	9	it under the terms of the GNU General Public License as published by
	10	the Free Software Foundation; either version 2 of the License, or
	11	(at your option) any later version.
	12
	13	This program is distributed in the hope that it will be useful,
	14	but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	GNU General Public License for more details.
	17
	18	You should have received a copy of the GNU General Public License
	19	along with this program; if not, write to the Free Software
	20	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	21
	22	*/
	23	/*
	24	Driver: multiq3
	25	Description: Quanser Consulting MultiQ-3
	26	Author: Anders Blomdell <anders.blomdell@control.lth.se>
	27	Status: works
	28	Devices: [Quanser Consulting] MultiQ-3 (multiq3)
	29
	30	*/
	31
25436dc9	32	#include <linux/interrupt.h>
77e01cdb AB	33	#include "../comedidev.h"
	34
	35	#include <linux/ioport.h>
	36
	37	#define MULTIQ3_SIZE 16
	38
	39	/*
	40	* MULTIQ-3 port offsets
	41	*/
	42	#define MULTIQ3_DIGIN_PORT 0
	43	#define MULTIQ3_DIGOUT_PORT 0
	44	#define MULTIQ3_DAC_DATA 2
	45	#define MULTIQ3_AD_DATA 4
	46	#define MULTIQ3_AD_CS 4
	47	#define MULTIQ3_STATUS 6
	48	#define MULTIQ3_CONTROL 6
	49	#define MULTIQ3_CLK_DATA 8
	50	#define MULTIQ3_ENC_DATA 12
	51	#define MULTIQ3_ENC_CONTROL 14
	52
	53	/*
	54	* flags for CONTROL register
	55	*/
	56	#define MULTIQ3_AD_MUX_EN 0x0040
	57	#define MULTIQ3_AD_AUTOZ 0x0080
	58	#define MULTIQ3_AD_AUTOCAL 0x0100
	59	#define MULTIQ3_AD_SH 0x0200
	60	#define MULTIQ3_AD_CLOCK_4M 0x0400
	61	#define MULTIQ3_DA_LOAD 0x1800
	62
	63	#define MULTIQ3_CONTROL_MUST 0x0600
	64
	65	/*
	66	* flags for STATUS register
	67	*/
	68	#define MULTIQ3_STATUS_EOC 0x008
	69	#define MULTIQ3_STATUS_EOC_I 0x010
	70
	71	/*
	72	* flags for encoder control
	73	*/
	74	#define MULTIQ3_CLOCK_DATA 0x00
	75	#define MULTIQ3_CLOCK_SETUP 0x18
	76	#define MULTIQ3_INPUT_SETUP 0x41
	77	#define MULTIQ3_QUAD_X4 0x38
	78	#define MULTIQ3_BP_RESET 0x01
	79	#define MULTIQ3_CNTR_RESET 0x02
	80	#define MULTIQ3_TRSFRPR_CTR 0x08
	81	#define MULTIQ3_TRSFRCNTR_OL 0x10
	82	#define MULTIQ3_EFLAG_RESET 0x06
	83
	84	#define MULTIQ3_TIMEOUT 30
	85
0a85b6f0 MT	86	static int multiq3_attach(struct comedi_device *dev,
0a85b6f0 MT	87	struct comedi_devconfig *it);
da91b269	88	static int multiq3_detach(struct comedi_device *dev);
139dfbdf	89	static struct comedi_driver driver_multiq3 = {
68c3dbff BP	90	.driver_name = "multiq3",
	91	.module = THIS_MODULE,
	92	.attach = multiq3_attach,
	93	.detach = multiq3_detach,
77e01cdb AB	94	};
	95
	96	COMEDI_INITCLEANUP(driver_multiq3);
	97
	98	struct multiq3_private {
790c5541	99	unsigned int ao_readback[2];
77e01cdb AB	100	};
	101	#define devpriv ((struct multiq3_private *)dev->private)
	102
0a85b6f0 MT	103	static int multiq3_ai_insn_read(struct comedi_device *dev,
	104	struct comedi_subdevice *s,
	105	struct comedi_insn insn, unsigned int data)
77e01cdb AB	106	{
	107	int i, n;
	108	int chan;
	109	unsigned int hi, lo;
	110
	111	chan = CR_CHAN(insn->chanspec);
	112	outw(MULTIQ3_CONTROL_MUST \| MULTIQ3_AD_MUX_EN \| (chan << 3),
0a85b6f0	113	dev->iobase + MULTIQ3_CONTROL);
77e01cdb AB	114
	115	for (i = 0; i < MULTIQ3_TIMEOUT; i++) {
	116	if (inw(dev->iobase + MULTIQ3_STATUS) & MULTIQ3_STATUS_EOC)
	117	break;
	118	}
	119	if (i == MULTIQ3_TIMEOUT)
	120	return -ETIMEDOUT;
	121
	122	for (n = 0; n < insn->n; n++) {
	123	outw(0, dev->iobase + MULTIQ3_AD_CS);
	124	for (i = 0; i < MULTIQ3_TIMEOUT; i++) {
	125	if (inw(dev->iobase +
0a85b6f0	126	MULTIQ3_STATUS) & MULTIQ3_STATUS_EOC_I)
77e01cdb AB	127	break;
	128	}
	129	if (i == MULTIQ3_TIMEOUT)
	130	return -ETIMEDOUT;
	131
	132	hi = inb(dev->iobase + MULTIQ3_AD_CS);
	133	lo = inb(dev->iobase + MULTIQ3_AD_CS);
	134	data[n] = (((hi << 8) \| lo) + 0x1000) & 0x1fff;
	135	}
	136
	137	return n;
	138	}
	139
0a85b6f0 MT	140	static int multiq3_ao_insn_read(struct comedi_device *dev,
	141	struct comedi_subdevice *s,
	142	struct comedi_insn insn, unsigned int data)
77e01cdb AB	143	{
	144	int i;
	145	int chan = CR_CHAN(insn->chanspec);
	146
446176a7	147	for (i = 0; i < insn->n; i++)
77e01cdb	148	data[i] = devpriv->ao_readback[chan];
77e01cdb AB	149
	150	return i;
	151	}
	152
0a85b6f0 MT	153	static int multiq3_ao_insn_write(struct comedi_device *dev,
	154	struct comedi_subdevice *s,
	155	struct comedi_insn insn, unsigned int data)
77e01cdb AB	156	{
	157	int i;
	158	int chan = CR_CHAN(insn->chanspec);
	159
	160	for (i = 0; i < insn->n; i++) {
	161	outw(MULTIQ3_CONTROL_MUST \| MULTIQ3_DA_LOAD \| chan,
0a85b6f0	162	dev->iobase + MULTIQ3_CONTROL);
77e01cdb AB	163	outw(data[i], dev->iobase + MULTIQ3_DAC_DATA);
	164	outw(MULTIQ3_CONTROL_MUST, dev->iobase + MULTIQ3_CONTROL);
	165
	166	devpriv->ao_readback[chan] = data[i];
	167	}
	168
	169	return i;
	170	}
	171
0a85b6f0 MT	172	static int multiq3_di_insn_bits(struct comedi_device *dev,
	173	struct comedi_subdevice *s,
	174	struct comedi_insn insn, unsigned int data)
77e01cdb AB	175	{
	176	if (insn->n != 2)
	177	return -EINVAL;
	178
	179	data[1] = inw(dev->iobase + MULTIQ3_DIGIN_PORT);
	180
	181	return 2;
	182	}
	183
0a85b6f0 MT	184	static int multiq3_do_insn_bits(struct comedi_device *dev,
	185	struct comedi_subdevice *s,
	186	struct comedi_insn insn, unsigned int data)
77e01cdb AB	187	{
	188	if (insn->n != 2)
	189	return -EINVAL;
	190
	191	s->state &= ~data[0];
	192	s->state \|= (data[0] & data[1]);
	193	outw(s->state, dev->iobase + MULTIQ3_DIGOUT_PORT);
	194
	195	data[1] = s->state;
	196
	197	return 2;
	198	}
	199
0a85b6f0 MT	200	static int multiq3_encoder_insn_read(struct comedi_device *dev,
	201	struct comedi_subdevice *s,
	202	struct comedi_insn *insn,
	203	unsigned int *data)
77e01cdb AB	204	{
	205	int n;
	206	int chan = CR_CHAN(insn->chanspec);
	207	int control = MULTIQ3_CONTROL_MUST \| MULTIQ3_AD_MUX_EN \| (chan << 3);
	208
	209	for (n = 0; n < insn->n; n++) {
	210	int value;
	211	outw(control, dev->iobase + MULTIQ3_CONTROL);
	212	outb(MULTIQ3_BP_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
	213	outb(MULTIQ3_TRSFRCNTR_OL, dev->iobase + MULTIQ3_ENC_CONTROL);
	214	value = inb(dev->iobase + MULTIQ3_ENC_DATA);
	215	value \|= (inb(dev->iobase + MULTIQ3_ENC_DATA) << 8);
	216	value \|= (inb(dev->iobase + MULTIQ3_ENC_DATA) << 16);
	217	data[n] = (value + 0x800000) & 0xffffff;
	218	}
	219
	220	return n;
	221	}
	222
da91b269	223	static void encoder_reset(struct comedi_device *dev)
77e01cdb AB	224	{
	225	int chan;
	226	for (chan = 0; chan < dev->subdevices[4].n_chan; chan++) {
	227	int control =
0a85b6f0	228	MULTIQ3_CONTROL_MUST \| MULTIQ3_AD_MUX_EN \| (chan << 3);
77e01cdb AB	229	outw(control, dev->iobase + MULTIQ3_CONTROL);
	230	outb(MULTIQ3_EFLAG_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
	231	outb(MULTIQ3_BP_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
	232	outb(MULTIQ3_CLOCK_DATA, dev->iobase + MULTIQ3_ENC_DATA);
	233	outb(MULTIQ3_CLOCK_SETUP, dev->iobase + MULTIQ3_ENC_CONTROL);
	234	outb(MULTIQ3_INPUT_SETUP, dev->iobase + MULTIQ3_ENC_CONTROL);
	235	outb(MULTIQ3_QUAD_X4, dev->iobase + MULTIQ3_ENC_CONTROL);
	236	outb(MULTIQ3_CNTR_RESET, dev->iobase + MULTIQ3_ENC_CONTROL);
	237	}
	238	}
	239
	240	/*
	241	options[0] - I/O port
	242	options[1] - irq
	243	options[2] - number of encoder chips installed
	244	*/
	245
0a85b6f0 MT	246	static int multiq3_attach(struct comedi_device *dev,
0a85b6f0 MT	247	struct comedi_devconfig *it)
77e01cdb AB	248	{
	249	int result = 0;
	250	unsigned long iobase;
	251	unsigned int irq;
34c43922	252	struct comedi_subdevice *s;
77e01cdb AB	253
77e01cdb AB	254	iobase = it->options[0];
c5dba43b	255	printk(KERN_INFO "comedi%d: multiq3: 0x%04lx ", dev->minor, iobase);
77e01cdb	256	if (!request_region(iobase, MULTIQ3_SIZE, "multiq3")) {
c5dba43b	257	printk(KERN_ERR "comedi%d: I/O port conflict\n", dev->minor);
77e01cdb AB	258	return -EIO;
	259	}
	260
	261	dev->iobase = iobase;
	262
	263	irq = it->options[1];
446176a7	264	if (irq)
c5dba43b KG	265	printk(KERN_WARNING "comedi%d: irq = %u ignored\n",
c5dba43b KG	266	dev->minor, irq);
446176a7	267	else
c5dba43b	268	printk(KERN_WARNING "comedi%d: no irq\n", dev->minor);
77e01cdb AB	269	dev->board_name = "multiq3";
	270	result = alloc_subdevices(dev, 5);
	271	if (result < 0)
	272	return result;
	273
	274	result = alloc_private(dev, sizeof(struct multiq3_private));
	275	if (result < 0)
	276	return result;
	277
	278	s = dev->subdevices + 0;
	279	/* ai subdevice */
	280	s->type = COMEDI_SUBD_AI;
	281	s->subdev_flags = SDF_READABLE \| SDF_GROUND;
	282	s->n_chan = 8;
	283	s->insn_read = multiq3_ai_insn_read;
	284	s->maxdata = 0x1fff;
	285	s->range_table = &range_bipolar5;
	286
	287	s = dev->subdevices + 1;
	288	/* ao subdevice */
	289	s->type = COMEDI_SUBD_AO;
	290	s->subdev_flags = SDF_WRITABLE;
	291	s->n_chan = 8;
	292	s->insn_read = multiq3_ao_insn_read;
	293	s->insn_write = multiq3_ao_insn_write;
	294	s->maxdata = 0xfff;
	295	s->range_table = &range_bipolar5;
	296
	297	s = dev->subdevices + 2;
	298	/* di subdevice */
	299	s->type = COMEDI_SUBD_DI;
	300	s->subdev_flags = SDF_READABLE;
	301	s->n_chan = 16;
	302	s->insn_bits = multiq3_di_insn_bits;
	303	s->maxdata = 1;
	304	s->range_table = &range_digital;
	305
	306	s = dev->subdevices + 3;
	307	/* do subdevice */
	308	s->type = COMEDI_SUBD_DO;
	309	s->subdev_flags = SDF_WRITABLE;
	310	s->n_chan = 16;
	311	s->insn_bits = multiq3_do_insn_bits;
	312	s->maxdata = 1;
	313	s->range_table = &range_digital;
	314	s->state = 0;
	315
	316	s = dev->subdevices + 4;
	317	/* encoder (counter) subdevice */
	318	s->type = COMEDI_SUBD_COUNTER;
	319	s->subdev_flags = SDF_READABLE \| SDF_LSAMPL;
	320	s->n_chan = it->options[2] * 2;
	321	s->insn_read = multiq3_encoder_insn_read;
	322	s->maxdata = 0xffffff;
	323	s->range_table = &range_unknown;
	324
	325	encoder_reset(dev);
	326
	327	return 0;
	328	}
	329
da91b269	330	static int multiq3_detach(struct comedi_device *dev)
77e01cdb	331	{
c5dba43b	332	printk(KERN_INFO "comedi%d: multiq3: remove\n", dev->minor);
77e01cdb	333
446176a7	334	if (dev->iobase)
77e01cdb	335	release_region(dev->iobase, MULTIQ3_SIZE);
446176a7	336	if (dev->irq)
77e01cdb	337	free_irq(dev->irq, dev);
77e01cdb AB	338
	339	return 0;
	340	}