[deliverable/linux.git] / drivers / staging / comedi / drivers / pcl726.c

/*
    comedi/drivers/pcl726.c

    hardware driver for Advantech cards:
     card:   PCL-726, PCL-727, PCL-728
     driver: pcl726,  pcl727,  pcl728
    and for ADLink cards:
     card:   ACL-6126, ACL-6128
     driver: acl6126,  acl6128

    COMEDI - Linux Control and Measurement Device Interface
    Copyright (C) 1998 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: pcl726
Description: Advantech PCL-726 & compatibles
Author: ds
Status: untested
Devices: [Advantech] PCL-726 (pcl726), PCL-727 (pcl727), PCL-728 (pcl728),
  [ADLink] ACL-6126 (acl6126), ACL-6128 (acl6128)

Interrupts are not supported.

    Options for PCL-726:
     [0] - IO Base
     [2]...[7] - D/A output range for channel 1-6:
               0: 0-5V, 1: 0-10V, 2: +/-5V, 3: +/-10V,
	       4: 4-20mA, 5: unknown (external reference)

    Options for PCL-727:
     [0] - IO Base
     [2]...[13] - D/A output range for channel 1-12:
               0: 0-5V, 1: 0-10V, 2: +/-5V,
	       3: 4-20mA

    Options for PCL-728 and ACL-6128:
     [0] - IO Base
     [2], [3] - D/A output range for channel 1 and 2:
               0: 0-5V, 1: 0-10V, 2: +/-5V, 3: +/-10V,
	       4: 4-20mA, 5: 0-20mA

    Options for ACL-6126:
     [0] - IO Base
     [1] - IRQ (0=disable, 3, 5, 6, 7, 9, 10, 11, 12, 15) (currently ignored)
     [2]...[7] - D/A output range for channel 1-6:
               0: 0-5V, 1: 0-10V, 2: +/-5V, 3: +/-10V,
	       4: 4-20mA
*/

/*
    Thanks to Circuit Specialists for having programming info (!) on
    their web page.  (http://www.cir.com/)
*/

#include "../comedidev.h"

#include <linux/ioport.h>

#undef ACL6126_IRQ		/* no interrupt support (yet) */

#define PCL726_SIZE 16
#define PCL727_SIZE 32
#define PCL728_SIZE 8

#define PCL726_DAC0_HI 0
#define PCL726_DAC0_LO 1

#define PCL726_DO_HI 12
#define PCL726_DO_LO 13
#define PCL726_DI_HI 14
#define PCL726_DI_LO 15

#define PCL727_DO_HI 24
#define PCL727_DO_LO 25
#define PCL727_DI_HI  0
#define PCL727_DI_LO  1

static const struct comedi_lrange range_4_20mA = { 1, {RANGE_mA(4, 20)} };
static const struct comedi_lrange range_0_20mA = { 1, {RANGE_mA(0, 20)} };

static const struct comedi_lrange *const rangelist_726[] = {
	&range_unipolar5, &range_unipolar10,
	&range_bipolar5, &range_bipolar10,
	&range_4_20mA, &range_unknown
};

static const struct comedi_lrange *const rangelist_727[] = {
	&range_unipolar5, &range_unipolar10,
	&range_bipolar5,
	&range_4_20mA
};

static const struct comedi_lrange *const rangelist_728[] = {
	&range_unipolar5, &range_unipolar10,
	&range_bipolar5, &range_bipolar10,
	&range_4_20mA, &range_0_20mA
};

static int pcl726_attach(struct comedi_device * dev, comedi_devconfig * it);
static int pcl726_detach(struct comedi_device * dev);

typedef struct {
	const char *name;	// driver name
	int n_aochan;		// num of D/A chans
	int num_of_ranges;	// num of ranges
	unsigned int IRQbits;	// allowed interrupts
	unsigned int io_range;	// len of IO space
	char have_dio;		// 1=card have DI/DO ports
	int di_hi;		// ports for DI/DO operations
	int di_lo;
	int do_hi;
	int do_lo;
	const struct comedi_lrange *const *range_type_list;	// list of supported ranges
} boardtype;

static const boardtype boardtypes[] = {
	{"pcl726", 6, 6, 0x0000, PCL726_SIZE, 1,
			PCL726_DI_HI, PCL726_DI_LO, PCL726_DO_HI, PCL726_DO_LO,
		&rangelist_726[0],},
	{"pcl727", 12, 4, 0x0000, PCL727_SIZE, 1,
			PCL727_DI_HI, PCL727_DI_LO, PCL727_DO_HI, PCL727_DO_LO,
		&rangelist_727[0],},
	{"pcl728", 2, 6, 0x0000, PCL728_SIZE, 0,
			0, 0, 0, 0,
		&rangelist_728[0],},
	{"acl6126", 6, 5, 0x96e8, PCL726_SIZE, 1,
			PCL726_DI_HI, PCL726_DI_LO, PCL726_DO_HI, PCL726_DO_LO,
		&rangelist_726[0],},
	{"acl6128", 2, 6, 0x0000, PCL728_SIZE, 0,
			0, 0, 0, 0,
		&rangelist_728[0],},
};

#define n_boardtypes (sizeof(boardtypes)/sizeof(boardtype))
#define this_board ((const boardtype *)dev->board_ptr)

static struct comedi_driver driver_pcl726 = {
      driver_name:"pcl726",
      module:THIS_MODULE,
      attach:pcl726_attach,
      detach:pcl726_detach,
      board_name:&boardtypes[0].name,
      num_names:n_boardtypes,
      offset:sizeof(boardtype),
};

COMEDI_INITCLEANUP(driver_pcl726);

typedef struct {
	int bipolar[12];
	const struct comedi_lrange *rangelist[12];
	unsigned int ao_readback[12];
} pcl726_private;
#define devpriv ((pcl726_private *)dev->private)

static int pcl726_ao_insn(struct comedi_device * dev, struct comedi_subdevice * s,
	struct comedi_insn * insn, unsigned int * data)
{
	int hi, lo;
	int n;
	int chan = CR_CHAN(insn->chanspec);

	for (n = 0; n < insn->n; n++) {
		lo = data[n] & 0xff;
		hi = (data[n] >> 8) & 0xf;
		if (devpriv->bipolar[chan])
			hi ^= 0x8;
		/*
		 * the programming info did not say which order
		 * to write bytes.  switch the order of the next
		 * two lines if you get glitches.
		 */
		outb(hi, dev->iobase + PCL726_DAC0_HI + 2 * chan);
		outb(lo, dev->iobase + PCL726_DAC0_LO + 2 * chan);
		devpriv->ao_readback[chan] = data[n];
	}

	return n;
}

static int pcl726_ao_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
	struct comedi_insn * insn, unsigned int * data)
{
	int chan = CR_CHAN(insn->chanspec);
	int n;

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

static int pcl726_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] = inb(dev->iobase + this_board->di_lo) |
		(inb(dev->iobase + this_board->di_hi) << 8);

	return 2;
}

static int pcl726_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s,
	struct comedi_insn * insn, unsigned int * data)
{
	if (insn->n != 2)
		return -EINVAL;

	if (data[0]) {
		s->state &= ~data[0];
		s->state |= data[0] & data[1];
	}
	if (data[1] & 0x00ff)
		outb(s->state & 0xff, dev->iobase + this_board->do_lo);
	if (data[1] & 0xff00)
		outb((s->state >> 8), dev->iobase + this_board->do_hi);

	data[1] = s->state;

	return 2;
}

static int pcl726_attach(struct comedi_device * dev, comedi_devconfig * it)
{
	struct comedi_subdevice *s;
	unsigned long iobase;
	unsigned int iorange;
	int ret, i;
#ifdef ACL6126_IRQ
	unsigned int irq;
#endif

	iobase = it->options[0];
	iorange = this_board->io_range;
	printk("comedi%d: pcl726: board=%s, 0x%03lx ", dev->minor,
		this_board->name, iobase);
	if (!request_region(iobase, iorange, "pcl726")) {
		printk("I/O port conflict\n");
		return -EIO;
	}

	dev->iobase = iobase;

	dev->board_name = this_board->name;

	if ((ret = alloc_private(dev, sizeof(pcl726_private))) < 0)
		return -ENOMEM;

	for (i = 0; i < 12; i++) {
		devpriv->bipolar[i] = 0;
		devpriv->rangelist[i] = &range_unknown;
	}

#ifdef ACL6126_IRQ
	irq = 0;
	if (boardtypes[board].IRQbits != 0) {	/* board support IRQ */
		irq = it->options[1];
		devpriv->first_chan = 2;
		if (irq) {	/* we want to use IRQ */
			if (((1 << irq) & boardtypes[board].IRQbits) == 0) {
				rt_printk
					(", IRQ %d is out of allowed range, DISABLING IT",
					irq);
				irq = 0;	/* Bad IRQ */
			} else {
				if (comedi_request_irq(irq, interrupt_pcl818, 0,
						"pcl726", dev)) {
					rt_printk
						(", unable to allocate IRQ %d, DISABLING IT",
						irq);
					irq = 0;	/* Can't use IRQ */
				} else {
					rt_printk(", irq=%d", irq);
				}
			}
		}
	}

	dev->irq = irq;
#endif

	printk("\n");

	if ((ret = alloc_subdevices(dev, 3)) < 0)
		return ret;

	s = dev->subdevices + 0;
	/* ao */
	s->type = COMEDI_SUBD_AO;
	s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
	s->n_chan = this_board->n_aochan;
	s->maxdata = 0xfff;
	s->len_chanlist = 1;
	s->insn_write = pcl726_ao_insn;
	s->insn_read = pcl726_ao_insn_read;
	s->range_table_list = devpriv->rangelist;
	for (i = 0; i < this_board->n_aochan; i++) {
		int j;

		j = it->options[2 + 1];
		if ((j < 0) || (j >= this_board->num_of_ranges)) {
			printk("Invalid range for channel %d! Must be 0<=%d<%d\n", i, j, this_board->num_of_ranges - 1);
			j = 0;
		}
		devpriv->rangelist[i] = this_board->range_type_list[j];
		if (devpriv->rangelist[i]->range[0].min ==
			-devpriv->rangelist[i]->range[0].max)
			devpriv->bipolar[i] = 1;	/* bipolar range */
	}

	s = dev->subdevices + 1;
	/* di */
	if (!this_board->have_dio) {
		s->type = COMEDI_SUBD_UNUSED;
	} else {
		s->type = COMEDI_SUBD_DI;
		s->subdev_flags = SDF_READABLE | SDF_GROUND;
		s->n_chan = 16;
		s->maxdata = 1;
		s->len_chanlist = 1;
		s->insn_bits = pcl726_di_insn_bits;
		s->range_table = &range_digital;
	}

	s = dev->subdevices + 2;
	/* do */
	if (!this_board->have_dio) {
		s->type = COMEDI_SUBD_UNUSED;
	} else {
		s->type = COMEDI_SUBD_DO;
		s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
		s->n_chan = 16;
		s->maxdata = 1;
		s->len_chanlist = 1;
		s->insn_bits = pcl726_do_insn_bits;
		s->range_table = &range_digital;
	}

	return 0;
}

static int pcl726_detach(struct comedi_device * dev)
{
//      printk("comedi%d: pcl726: remove\n",dev->minor);

#ifdef ACL6126_IRQ
	if (dev->irq) {
		comedi_free_irq(dev->irq, dev);
	}
#endif

	if (dev->iobase)
		release_region(dev->iobase, this_board->io_range);

	return 0;
}
Commit	Line	Data
00a22431 DS	1	/*
	2	comedi/drivers/pcl726.c
	3
	4	hardware driver for Advantech cards:
	5	card: PCL-726, PCL-727, PCL-728
	6	driver: pcl726, pcl727, pcl728
	7	and for ADLink cards:
	8	card: ACL-6126, ACL-6128
	9	driver: acl6126, acl6128
	10
	11	COMEDI - Linux Control and Measurement Device Interface
	12	Copyright (C) 1998 David A. Schleef <ds@schleef.org>
	13
	14	This program is free software; you can redistribute it and/or modify
	15	it under the terms of the GNU General Public License as published by
	16	the Free Software Foundation; either version 2 of the License, or
	17	(at your option) any later version.
	18
	19	This program is distributed in the hope that it will be useful,
	20	but WITHOUT ANY WARRANTY; without even the implied warranty of
	21	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	22	GNU General Public License for more details.
	23
	24	You should have received a copy of the GNU General Public License
	25	along with this program; if not, write to the Free Software
	26	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	27
	28	*/
	29	/*
	30	Driver: pcl726
	31	Description: Advantech PCL-726 & compatibles
	32	Author: ds
	33	Status: untested
	34	Devices: [Advantech] PCL-726 (pcl726), PCL-727 (pcl727), PCL-728 (pcl728),
	35	[ADLink] ACL-6126 (acl6126), ACL-6128 (acl6128)
	36
	37	Interrupts are not supported.
	38
	39	Options for PCL-726:
	40	[0] - IO Base
	41	[2]...[7] - D/A output range for channel 1-6:
	42	0: 0-5V, 1: 0-10V, 2: +/-5V, 3: +/-10V,
	43	4: 4-20mA, 5: unknown (external reference)
	44
	45	Options for PCL-727:
	46	[0] - IO Base
	47	[2]...[13] - D/A output range for channel 1-12:
	48	0: 0-5V, 1: 0-10V, 2: +/-5V,
	49	3: 4-20mA
	50
	51	Options for PCL-728 and ACL-6128:
	52	[0] - IO Base
	53	[2], [3] - D/A output range for channel 1 and 2:
	54	0: 0-5V, 1: 0-10V, 2: +/-5V, 3: +/-10V,
	55	4: 4-20mA, 5: 0-20mA
	56
	57	Options for ACL-6126:
	58	[0] - IO Base
	59	[1] - IRQ (0=disable, 3, 5, 6, 7, 9, 10, 11, 12, 15) (currently ignored)
	60	[2]...[7] - D/A output range for channel 1-6:
	61	0: 0-5V, 1: 0-10V, 2: +/-5V, 3: +/-10V,
	62	4: 4-20mA
	63	*/
	64
65	/*
66	Thanks to Circuit Specialists for having programming info (!) on
67	their web page. (http://www.cir.com/)
68	*/
69
70	#include "../comedidev.h"
71
72	#include <linux/ioport.h>
73
74	#undef ACL6126_IRQ /* no interrupt support (yet) */
75
76	#define PCL726_SIZE 16
77	#define PCL727_SIZE 32
78	#define PCL728_SIZE 8
79
80	#define PCL726_DAC0_HI 0
81	#define PCL726_DAC0_LO 1
82
83	#define PCL726_DO_HI 12
84	#define PCL726_DO_LO 13
85	#define PCL726_DI_HI 14
86	#define PCL726_DI_LO 15
87
88	#define PCL727_DO_HI 24
89	#define PCL727_DO_LO 25
90	#define PCL727_DI_HI 0
91	#define PCL727_DI_LO 1
92
9ced1de6 BP	93	static const struct comedi_lrange range_4_20mA = { 1, {RANGE_mA(4, 20)} };
9ced1de6 BP	94	static const struct comedi_lrange range_0_20mA = { 1, {RANGE_mA(0, 20)} };
00a22431	95
9ced1de6	96	static const struct comedi_lrange *const rangelist_726[] = {
00a22431 DS	97	&range_unipolar5, &range_unipolar10,
	98	&range_bipolar5, &range_bipolar10,
	99	&range_4_20mA, &range_unknown
	100	};
	101
9ced1de6	102	static const struct comedi_lrange *const rangelist_727[] = {
00a22431 DS	103	&range_unipolar5, &range_unipolar10,
	104	&range_bipolar5,
	105	&range_4_20mA
	106	};
	107
9ced1de6	108	static const struct comedi_lrange *const rangelist_728[] = {
00a22431 DS	109	&range_unipolar5, &range_unipolar10,
	110	&range_bipolar5, &range_bipolar10,
	111	&range_4_20mA, &range_0_20mA
	112	};
	113
71b5f4f1 BP	114	static int pcl726_attach(struct comedi_device * dev, comedi_devconfig * it);
71b5f4f1 BP	115	static int pcl726_detach(struct comedi_device * dev);
00a22431 DS	116
	117	typedef struct {
	118	const char *name; // driver name
	119	int n_aochan; // num of D/A chans
	120	int num_of_ranges; // num of ranges
	121	unsigned int IRQbits; // allowed interrupts
	122	unsigned int io_range; // len of IO space
	123	char have_dio; // 1=card have DI/DO ports
	124	int di_hi; // ports for DI/DO operations
	125	int di_lo;
	126	int do_hi;
	127	int do_lo;
9ced1de6	128	const struct comedi_lrange const range_type_list; // list of supported ranges
00a22431 DS	129	} boardtype;
	130
	131	static const boardtype boardtypes[] = {
	132	{"pcl726", 6, 6, 0x0000, PCL726_SIZE, 1,
	133	PCL726_DI_HI, PCL726_DI_LO, PCL726_DO_HI, PCL726_DO_LO,
	134	&rangelist_726[0],},
	135	{"pcl727", 12, 4, 0x0000, PCL727_SIZE, 1,
	136	PCL727_DI_HI, PCL727_DI_LO, PCL727_DO_HI, PCL727_DO_LO,
	137	&rangelist_727[0],},
	138	{"pcl728", 2, 6, 0x0000, PCL728_SIZE, 0,
	139	0, 0, 0, 0,
	140	&rangelist_728[0],},
	141	{"acl6126", 6, 5, 0x96e8, PCL726_SIZE, 1,
	142	PCL726_DI_HI, PCL726_DI_LO, PCL726_DO_HI, PCL726_DO_LO,
	143	&rangelist_726[0],},
	144	{"acl6128", 2, 6, 0x0000, PCL728_SIZE, 0,
	145	0, 0, 0, 0,
	146	&rangelist_728[0],},
	147	};
	148
	149	#define n_boardtypes (sizeof(boardtypes)/sizeof(boardtype))
	150	#define this_board ((const boardtype *)dev->board_ptr)
	151
139dfbdf	152	static struct comedi_driver driver_pcl726 = {
00a22431 DS	153	driver_name:"pcl726",
	154	module:THIS_MODULE,
	155	attach:pcl726_attach,
	156	detach:pcl726_detach,
	157	board_name:&boardtypes[0].name,
	158	num_names:n_boardtypes,
	159	offset:sizeof(boardtype),
	160	};
	161
	162	COMEDI_INITCLEANUP(driver_pcl726);
	163
	164	typedef struct {
	165	int bipolar[12];
9ced1de6	166	const struct comedi_lrange *rangelist[12];
790c5541	167	unsigned int ao_readback[12];
00a22431 DS	168	} pcl726_private;
	169	#define devpriv ((pcl726_private *)dev->private)
	170
34c43922	171	static int pcl726_ao_insn(struct comedi_device * dev, struct comedi_subdevice * s,
90035c08	172	struct comedi_insn * insn, unsigned int * data)
00a22431 DS	173	{
	174	int hi, lo;
	175	int n;
	176	int chan = CR_CHAN(insn->chanspec);
	177
	178	for (n = 0; n < insn->n; n++) {
	179	lo = data[n] & 0xff;
	180	hi = (data[n] >> 8) & 0xf;
	181	if (devpriv->bipolar[chan])
	182	hi ^= 0x8;
	183	/*
	184	* the programming info did not say which order
	185	* to write bytes. switch the order of the next
	186	* two lines if you get glitches.
	187	*/
	188	outb(hi, dev->iobase + PCL726_DAC0_HI + 2 * chan);
	189	outb(lo, dev->iobase + PCL726_DAC0_LO + 2 * chan);
	190	devpriv->ao_readback[chan] = data[n];
	191	}
	192
	193	return n;
	194	}
	195
34c43922	196	static int pcl726_ao_insn_read(struct comedi_device * dev, struct comedi_subdevice * s,
90035c08	197	struct comedi_insn * insn, unsigned int * data)
00a22431 DS	198	{
	199	int chan = CR_CHAN(insn->chanspec);
	200	int n;
	201
	202	for (n = 0; n < insn->n; n++) {
	203	data[n] = devpriv->ao_readback[chan];
	204	}
	205	return n;
	206	}
	207
34c43922	208	static int pcl726_di_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s,
90035c08	209	struct comedi_insn * insn, unsigned int * data)
00a22431 DS	210	{
	211	if (insn->n != 2)
	212	return -EINVAL;
	213
	214	data[1] = inb(dev->iobase + this_board->di_lo) \|
	215	(inb(dev->iobase + this_board->di_hi) << 8);
	216
	217	return 2;
	218	}
	219
34c43922	220	static int pcl726_do_insn_bits(struct comedi_device * dev, struct comedi_subdevice * s,
90035c08	221	struct comedi_insn * insn, unsigned int * data)
00a22431 DS	222	{
	223	if (insn->n != 2)
	224	return -EINVAL;
	225
	226	if (data[0]) {
	227	s->state &= ~data[0];
	228	s->state \|= data[0] & data[1];
	229	}
	230	if (data[1] & 0x00ff)
	231	outb(s->state & 0xff, dev->iobase + this_board->do_lo);
	232	if (data[1] & 0xff00)
	233	outb((s->state >> 8), dev->iobase + this_board->do_hi);
	234
	235	data[1] = s->state;
	236
	237	return 2;
	238	}
	239
71b5f4f1	240	static int pcl726_attach(struct comedi_device * dev, comedi_devconfig * it)
00a22431	241	{
34c43922	242	struct comedi_subdevice *s;
00a22431 DS	243	unsigned long iobase;
	244	unsigned int iorange;
	245	int ret, i;
	246	#ifdef ACL6126_IRQ
	247	unsigned int irq;
	248	#endif
	249
	250	iobase = it->options[0];
	251	iorange = this_board->io_range;
	252	printk("comedi%d: pcl726: board=%s, 0x%03lx ", dev->minor,
	253	this_board->name, iobase);
	254	if (!request_region(iobase, iorange, "pcl726")) {
	255	printk("I/O port conflict\n");
	256	return -EIO;
	257	}
	258
	259	dev->iobase = iobase;
	260
	261	dev->board_name = this_board->name;
	262
	263	if ((ret = alloc_private(dev, sizeof(pcl726_private))) < 0)
	264	return -ENOMEM;
	265
	266	for (i = 0; i < 12; i++) {
	267	devpriv->bipolar[i] = 0;
	268	devpriv->rangelist[i] = &range_unknown;
	269	}
	270
	271	#ifdef ACL6126_IRQ
	272	irq = 0;
	273	if (boardtypes[board].IRQbits != 0) { /* board support IRQ */
	274	irq = it->options[1];
	275	devpriv->first_chan = 2;
	276	if (irq) { /* we want to use IRQ */
	277	if (((1 << irq) & boardtypes[board].IRQbits) == 0) {
	278	rt_printk
	279	(", IRQ %d is out of allowed range, DISABLING IT",
	280	irq);
	281	irq = 0; /* Bad IRQ */
	282	} else {
	283	if (comedi_request_irq(irq, interrupt_pcl818, 0,
	284	"pcl726", dev)) {
	285	rt_printk
	286	(", unable to allocate IRQ %d, DISABLING IT",
	287	irq);
	288	irq = 0; /* Can't use IRQ */
	289	} else {
	290	rt_printk(", irq=%d", irq);
	291	}
	292	}
	293	}
	294	}
	295
	296	dev->irq = irq;
	297	#endif
	298
	299	printk("\n");
	300
	301	if ((ret = alloc_subdevices(dev, 3)) < 0)
	302	return ret;
	303
	304	s = dev->subdevices + 0;
	305	/* ao */
	306	s->type = COMEDI_SUBD_AO;
307	s->subdev_flags = SDF_WRITABLE \| SDF_GROUND;
308	s->n_chan = this_board->n_aochan;
309	s->maxdata = 0xfff;
310	s->len_chanlist = 1;
311	s->insn_write = pcl726_ao_insn;
312	s->insn_read = pcl726_ao_insn_read;
313	s->range_table_list = devpriv->rangelist;
314	for (i = 0; i < this_board->n_aochan; i++) {
315	int j;
316
317	j = it->options[2 + 1];
318	if ((j < 0) \|\| (j >= this_board->num_of_ranges)) {
319	printk("Invalid range for channel %d! Must be 0<=%d<%d\n", i, j, this_board->num_of_ranges - 1);
320	j = 0;
321	}
322	devpriv->rangelist[i] = this_board->range_type_list[j];
323	if (devpriv->rangelist[i]->range[0].min ==
324	-devpriv->rangelist[i]->range[0].max)
325	devpriv->bipolar[i] = 1; /* bipolar range */
326	}
327
328	s = dev->subdevices + 1;
329	/* di */
330	if (!this_board->have_dio) {
331	s->type = COMEDI_SUBD_UNUSED;
332	} else {
333	s->type = COMEDI_SUBD_DI;
334	s->subdev_flags = SDF_READABLE \| SDF_GROUND;
335	s->n_chan = 16;
336	s->maxdata = 1;
337	s->len_chanlist = 1;
338	s->insn_bits = pcl726_di_insn_bits;
339	s->range_table = &range_digital;
340	}
341
342	s = dev->subdevices + 2;
343	/* do */
344	if (!this_board->have_dio) {
345	s->type = COMEDI_SUBD_UNUSED;
346	} else {
347	s->type = COMEDI_SUBD_DO;
348	s->subdev_flags = SDF_WRITABLE \| SDF_GROUND;
349	s->n_chan = 16;
350	s->maxdata = 1;
351	s->len_chanlist = 1;
352	s->insn_bits = pcl726_do_insn_bits;
353	s->range_table = &range_digital;
354	}
355
356	return 0;
357	}
358
71b5f4f1	359	static int pcl726_detach(struct comedi_device * dev)
00a22431 DS	360	{
	361	// printk("comedi%d: pcl726: remove\n",dev->minor);
	362
	363	#ifdef ACL6126_IRQ
	364	if (dev->irq) {
	365	comedi_free_irq(dev->irq, dev);
	366	}
	367	#endif
	368
	369	if (dev->iobase)
	370	release_region(dev->iobase, this_board->io_range);
	371
	372	return 0;
	373	}