5 COMEDI - Linux Control and Measurement Device Interface
6 Copyright (C) 2000 David A. Schleef <ds@schleef.org>
7 Copyright (C) 2001,2002,2003 Frank Mori Hess <fmhess@users.sourceforge.net>
8 Copyright (C) 2004 Salvador E. Tropea <set@users.sf.net> <set@ieee.org>
10 This program is free software; you can redistribute it and/or modify
11 it under the terms of the GNU General Public License as published by
12 the Free Software Foundation; either version 2 of the License, or
13 (at your option) any later version.
15 This program is distributed in the hope that it will be useful,
16 but WITHOUT ANY WARRANTY; without even the implied warranty of
17 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 GNU General Public License for more details.
20 You should have received a copy of the GNU General Public License
21 along with this program; if not, write to the Free Software
22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
24 *****************************************************************
29 Description: DAS-08 compatible boards
30 Author: Warren Jasper, ds, Frank Hess
31 Devices: [Keithley Metrabyte] DAS08 (isa-das08), [ComputerBoards] DAS08 (isa-das08),
32 DAS08-PGM (das08-pgm),
33 DAS08-PGH (das08-pgh), DAS08-PGL (das08-pgl), DAS08-AOH (das08-aoh),
34 DAS08-AOL (das08-aol), DAS08-AOM (das08-aom), DAS08/JR-AO (das08/jr-ao),
35 DAS08/JR-16-AO (das08jr-16-ao), PCI-DAS08 (das08),
36 PC104-DAS08 (pc104-das08), DAS08/JR/16 (das08jr/16)
39 This is a rewrite of the das08 and das08jr drivers.
41 Options (for ISA cards):
44 Options (for pci-das08):
48 The das08 driver doesn't support asynchronous commands, since
49 the cheap das08 hardware doesn't really support them. The
50 comedi_rt_timer driver can be used to emulate commands for this
54 #include "../comedidev.h"
56 #include <linux/delay.h>
58 #include "comedi_pci.h"
62 #define DRV_NAME "das08"
64 #define PCI_VENDOR_ID_COMPUTERBOARDS 0x1307
65 #define PCI_DEVICE_ID_PCIDAS08 0x29
66 #define PCIDAS08_SIZE 0x54
68 /* pci configuration registers */
70 #define INTR1_ENABLE 0x1
71 #define INTR1_HIGH_POLARITY 0x2
72 #define PCI_INTR_ENABLE 0x40
73 #define INTR1_EDGE_TRIG 0x100 /* requires high polarity */
76 #define CNTRL_INTR 0x4
83 0 a/d bits 0-3 start 8 bit
84 1 a/d bits 4-11 start 12 bit
85 2 eoc, ip1-3, irq, mux op1-4, inte, mux
90 requires hard-wiring for async ai
96 #define DAS08_TRIG_12BIT 1
97 #define DAS08_STATUS 2
98 #define DAS08_EOC (1<<7)
99 #define DAS08_IRQ (1<<3)
100 #define DAS08_IP(x) (((x)>>4)&0x7)
101 #define DAS08_CONTROL 2
102 #define DAS08_MUX_MASK 0x7
103 #define DAS08_MUX(x) ((x) & DAS08_MUX_MASK)
104 #define DAS08_INTE (1<<3)
105 #define DAS08_DO_MASK 0xf0
106 #define DAS08_OP(x) (((x) << 4) & DAS08_DO_MASK)
113 0 a/d bits 0-3 unused
114 1 a/d bits 4-11 start 12 bit
124 #define DAS08JR_DIO 3
125 #define DAS08JR_AO_LSB(x) ((x)?6:4)
126 #define DAS08JR_AO_MSB(x) ((x)?7:5)
135 0 a/d bits 0-3 start 8 bit
136 1 a/d bits 4-11 start 12 bit
137 2 eoc, ip1-3, irq, mux op1-4, inte, mux
138 3 mux, gain status gain control
148 #define DAS08AO_GAIN_CONTROL 3
149 #define DAS08AO_GAIN_STATUS 3
151 #define DAS08AO_AO_LSB(x) ((x)?0xa:8)
152 #define DAS08AO_AO_MSB(x) ((x)?0xb:9)
153 #define DAS08AO_AO_UPDATE 8
155 /* gainlist same as _pgx_ below */
157 static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
158 struct comedi_insn *insn, unsigned int *data);
159 static int das08_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
160 struct comedi_insn *insn, unsigned int *data);
161 static int das08_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
162 struct comedi_insn *insn, unsigned int *data);
163 static int das08jr_di_rbits(struct comedi_device *dev,
164 struct comedi_subdevice *s,
165 struct comedi_insn *insn, unsigned int *data);
166 static int das08jr_do_wbits(struct comedi_device *dev,
167 struct comedi_subdevice *s,
168 struct comedi_insn *insn, unsigned int *data);
169 static int das08jr_ao_winsn(struct comedi_device *dev,
170 struct comedi_subdevice *s,
171 struct comedi_insn *insn, unsigned int *data);
172 static int das08ao_ao_winsn(struct comedi_device *dev,
173 struct comedi_subdevice *s,
174 struct comedi_insn *insn, unsigned int *data);
175 static void i8254_set_mode_low(unsigned int base, int channel,
178 static const struct comedi_lrange range_das08_pgl = { 9, {
191 static const struct comedi_lrange range_das08_pgh = { 12, {
207 static const struct comedi_lrange range_das08_pgm = { 9, {
223 0 a/d bits 0-3 unused
224 1 a/d bits 4-11 start 12 bit
234 static const struct comedi_lrange *const das08_ai_lranges[] = {
242 static const int das08_pgh_gainlist[] =
243 { 8, 0, 10, 2, 12, 4, 14, 6, 1, 3, 5, 7 };
244 static const int das08_pgl_gainlist[] = { 8, 0, 2, 4, 6, 1, 3, 5, 7 };
245 static const int das08_pgm_gainlist[] = { 8, 0, 10, 12, 14, 9, 11, 13, 15 };
247 static const int *const das08_gainlists[] = {
255 static const struct das08_board_struct das08_boards[] = {
257 .name = "isa-das08", /* cio-das08.pdf */
259 .ai = das08_ai_rinsn,
261 .ai_pg = das08_pg_none,
262 .ai_encoding = das08_encode12,
265 .di = das08_di_rbits,
266 .do_ = das08_do_wbits,
270 .iosize = 16, /* unchecked */
273 .name = "das08-pgm", /* cio-das08pgx.pdf */
275 .ai = das08_ai_rinsn,
278 .ai_encoding = das08_encode12,
280 .di = das08_di_rbits,
281 .do_ = das08_do_wbits,
284 .i8254_offset = 0x04,
285 .iosize = 16, /* unchecked */
288 .name = "das08-pgh", /* cio-das08pgx.pdf */
290 .ai = das08_ai_rinsn,
293 .ai_encoding = das08_encode12,
295 .di = das08_di_rbits,
296 .do_ = das08_do_wbits,
299 .i8254_offset = 0x04,
300 .iosize = 16, /* unchecked */
303 .name = "das08-pgl", /* cio-das08pgx.pdf */
305 .ai = das08_ai_rinsn,
308 .ai_encoding = das08_encode12,
310 .di = das08_di_rbits,
311 .do_ = das08_do_wbits,
314 .i8254_offset = 0x04,
315 .iosize = 16, /* unchecked */
318 .name = "das08-aoh", /* cio-das08_aox.pdf */
320 .ai = das08_ai_rinsn,
323 .ai_encoding = das08_encode12,
324 .ao = das08ao_ao_winsn, /* 8 */
326 .di = das08_di_rbits,
327 .do_ = das08_do_wbits,
329 .i8255_offset = 0x0c,
330 .i8254_offset = 0x04,
331 .iosize = 16, /* unchecked */
334 .name = "das08-aol", /* cio-das08_aox.pdf */
336 .ai = das08_ai_rinsn,
339 .ai_encoding = das08_encode12,
340 .ao = das08ao_ao_winsn, /* 8 */
342 .di = das08_di_rbits,
343 .do_ = das08_do_wbits,
345 .i8255_offset = 0x0c,
346 .i8254_offset = 0x04,
347 .iosize = 16, /* unchecked */
350 .name = "das08-aom", /* cio-das08_aox.pdf */
352 .ai = das08_ai_rinsn,
355 .ai_encoding = das08_encode12,
356 .ao = das08ao_ao_winsn, /* 8 */
358 .di = das08_di_rbits,
359 .do_ = das08_do_wbits,
361 .i8255_offset = 0x0c,
362 .i8254_offset = 0x04,
363 .iosize = 16, /* unchecked */
366 .name = "das08/jr-ao", /* cio-das08-jr-ao.pdf */
368 .ai = das08_ai_rinsn,
370 .ai_pg = das08_pg_none,
371 .ai_encoding = das08_encode12,
372 .ao = das08jr_ao_winsn,
374 .di = das08jr_di_rbits,
375 .do_ = das08jr_do_wbits,
379 .iosize = 16, /* unchecked */
382 .name = "das08jr-16-ao", /* cio-das08jr-16-ao.pdf */
384 .ai = das08_ai_rinsn,
386 .ai_pg = das08_pg_none,
387 .ai_encoding = das08_encode12,
388 .ao = das08jr_ao_winsn,
390 .di = das08jr_di_rbits,
391 .do_ = das08jr_do_wbits,
394 .i8254_offset = 0x04,
395 .iosize = 16, /* unchecked */
397 #ifdef CONFIG_COMEDI_PCI
399 .name = "das08", /* pci-das08 */
400 .id = PCI_DEVICE_ID_PCIDAS08,
402 .ai = das08_ai_rinsn,
404 .ai_pg = das08_bipolar5,
405 .ai_encoding = das08_encode12,
408 .di = das08_di_rbits,
409 .do_ = das08_do_wbits,
417 .name = "pc104-das08",
419 .ai = das08_ai_rinsn,
421 .ai_pg = das08_pg_none,
422 .ai_encoding = das08_encode12,
425 .di = das08_di_rbits,
426 .do_ = das08_do_wbits,
430 .iosize = 16, /* unchecked */
441 .name = "das08jr/16",
443 .ai = das08_ai_rinsn,
445 .ai_pg = das08_pg_none,
446 .ai_encoding = das08_encode16,
449 .di = das08jr_di_rbits,
450 .do_ = das08jr_do_wbits,
454 .iosize = 16, /* unchecked */
458 .name = "das48-pga", /* cio-das48-pga.pdf */
461 .name = "das08-pga-g2", /* a KM board */
466 #ifdef CONFIG_COMEDI_PCMCIA
467 struct das08_board_struct das08_cs_boards[NUM_DAS08_CS_BOARDS] = {
472 .ai = das08_ai_rinsn,
474 .ai_pg = das08_bipolar5,
475 .ai_encoding = das08_pcm_encode12,
478 .di = das08_di_rbits,
479 .do_ = das08_do_wbits,
485 /* duplicate so driver name can be used also */
490 .ai = das08_ai_rinsn,
492 .ai_pg = das08_bipolar5,
493 .ai_encoding = das08_pcm_encode12,
496 .di = das08_di_rbits,
497 .do_ = das08_do_wbits,
506 #ifdef CONFIG_COMEDI_PCI
507 static DEFINE_PCI_DEVICE_TABLE(das08_pci_table) = {
509 PCI_VENDOR_ID_COMPUTERBOARDS, PCI_DEVICE_ID_PCIDAS08,
510 PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0}, {
514 MODULE_DEVICE_TABLE(pci, das08_pci_table);
517 #define devpriv ((struct das08_private_struct *)dev->private)
518 #define thisboard ((const struct das08_board_struct *)dev->board_ptr)
520 #define TIMEOUT 100000
522 static int das08_ai_rinsn(struct comedi_device *dev, struct comedi_subdevice *s,
523 struct comedi_insn *insn, unsigned int *data)
530 chan = CR_CHAN(insn->chanspec);
531 range = CR_RANGE(insn->chanspec);
534 inb(dev->iobase + DAS08_LSB);
535 inb(dev->iobase + DAS08_MSB);
537 /* set multiplexer */
538 spin_lock(&dev->spinlock); /* lock to prevent race with digital output */
539 devpriv->do_mux_bits &= ~DAS08_MUX_MASK;
540 devpriv->do_mux_bits |= DAS08_MUX(chan);
541 outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL);
542 spin_unlock(&dev->spinlock);
544 if (s->range_table->length > 1) {
546 range = CR_RANGE(insn->chanspec);
547 outb(devpriv->pg_gainlist[range],
548 dev->iobase + DAS08AO_GAIN_CONTROL);
551 for (n = 0; n < insn->n; n++) {
552 /* clear over-range bits for 16-bit boards */
553 if (thisboard->ai_nbits == 16)
554 if (inb(dev->iobase + DAS08_MSB) & 0x80)
555 printk("das08: over-range\n");
557 /* trigger conversion */
558 outb_p(0, dev->iobase + DAS08_TRIG_12BIT);
560 for (i = 0; i < TIMEOUT; i++) {
561 if (!(inb(dev->iobase + DAS08_STATUS) & DAS08_EOC))
565 printk("das08: timeout\n");
568 msb = inb(dev->iobase + DAS08_MSB);
569 lsb = inb(dev->iobase + DAS08_LSB);
570 if (thisboard->ai_encoding == das08_encode12) {
571 data[n] = (lsb >> 4) | (msb << 4);
572 } else if (thisboard->ai_encoding == das08_pcm_encode12) {
573 data[n] = (msb << 8) + lsb;
574 } else if (thisboard->ai_encoding == das08_encode16) {
575 /* FPOS 16-bit boards are sign-magnitude */
577 data[n] = (1 << 15) | lsb | ((msb & 0x7f) << 8);
579 data[n] = (1 << 15) - (lsb | (msb & 0x7f) << 8);
581 comedi_error(dev, "bug! unknown ai encoding");
589 static int das08_di_rbits(struct comedi_device *dev, struct comedi_subdevice *s,
590 struct comedi_insn *insn, unsigned int *data)
593 data[1] = DAS08_IP(inb(dev->iobase + DAS08_STATUS));
598 static int das08_do_wbits(struct comedi_device *dev, struct comedi_subdevice *s,
599 struct comedi_insn *insn, unsigned int *data)
603 /* get current settings of digital output lines */
604 wbits = (devpriv->do_mux_bits >> 4) & 0xf;
605 /* null bits we are going to set */
607 /* set new bit values */
608 wbits |= data[0] & data[1];
609 /* remember digital output bits */
610 spin_lock(&dev->spinlock); /* prevent race with setting of analog input mux */
611 devpriv->do_mux_bits &= ~DAS08_DO_MASK;
612 devpriv->do_mux_bits |= DAS08_OP(wbits);
613 outb(devpriv->do_mux_bits, dev->iobase + DAS08_CONTROL);
614 spin_unlock(&dev->spinlock);
621 static int das08jr_di_rbits(struct comedi_device *dev,
622 struct comedi_subdevice *s,
623 struct comedi_insn *insn, unsigned int *data)
626 data[1] = inb(dev->iobase + DAS08JR_DIO);
631 static int das08jr_do_wbits(struct comedi_device *dev,
632 struct comedi_subdevice *s,
633 struct comedi_insn *insn, unsigned int *data)
635 /* null bits we are going to set */
636 devpriv->do_bits &= ~data[0];
637 /* set new bit values */
638 devpriv->do_bits |= data[0] & data[1];
639 outb(devpriv->do_bits, dev->iobase + DAS08JR_DIO);
641 data[1] = devpriv->do_bits;
646 static int das08jr_ao_winsn(struct comedi_device *dev,
647 struct comedi_subdevice *s,
648 struct comedi_insn *insn, unsigned int *data)
654 lsb = data[0] & 0xff;
655 msb = (data[0] >> 8) & 0xf;
657 chan = CR_CHAN(insn->chanspec);
659 for (n = 0; n < insn->n; n++) {
661 outb(lsb, dev->iobase + devpriv->ao_offset_lsb[chan]);
662 outb(msb, dev->iobase + devpriv->ao_offset_msb[chan]);
664 outb(lsb, dev->iobase + DAS08JR_AO_LSB(chan));
665 outb(msb, dev->iobase + DAS08JR_AO_MSB(chan));
669 inb(dev->iobase + DAS08JR_DIO);
677 * The -aox boards have the DACs at a different offset and use
678 * a different method to force an update.
681 static int das08ao_ao_winsn(struct comedi_device *dev,
682 struct comedi_subdevice *s,
683 struct comedi_insn *insn, unsigned int *data)
689 lsb = data[0] & 0xff;
690 msb = (data[0] >> 8) & 0xf;
692 chan = CR_CHAN(insn->chanspec);
694 for (n = 0; n < insn->n; n++) {
696 outb(lsb, dev->iobase + devpriv->ao_offset_lsb[chan]);
697 outb(msb, dev->iobase + devpriv->ao_offset_msb[chan]);
699 outb(lsb, dev->iobase + DAS08AO_AO_LSB(chan));
700 outb(msb, dev->iobase + DAS08AO_AO_MSB(chan));
704 inb(dev->iobase + DAS08AO_AO_UPDATE);
710 static unsigned int i8254_read_channel_low(unsigned int base, int chan)
712 unsigned int msb, lsb;
714 /* The following instructions must be in order.
715 We must avoid other process reading the counter's value in the
717 The spin_lock isn't needed since ioctl calls grab the big kernel
718 lock automatically */
720 outb(chan << 6, base + I8254_CTRL);
724 /*spin_unlock(sp); */
726 return lsb | (msb << 8);
729 static void i8254_write_channel_low(unsigned int base, int chan,
732 unsigned int msb, lsb;
737 /* write lsb, then msb */
739 /* See comments in i8254_read_channel_low */
743 /*spin_unlock(sp); */
746 static unsigned int i8254_read_channel(struct i8254_struct *st, int channel)
748 int chan = st->logic2phys[channel];
750 return i8254_read_channel_low(st->iobase, chan);
753 static void i8254_write_channel(struct i8254_struct *st, int channel,
756 int chan = st->logic2phys[channel];
758 i8254_write_channel_low(st->iobase, chan, value);
761 static void i8254_initialize(struct i8254_struct *st)
764 for (i = 0; i < 3; ++i)
765 i8254_set_mode_low(st->iobase, i, st->mode[i]);
768 static void i8254_set_mode_low(unsigned int base, int channel,
771 outb((channel << 6) | 0x30 | (mode & 0x0F), base + I8254_CTRL);
774 static void i8254_set_mode(struct i8254_struct *st, int channel,
777 int chan = st->logic2phys[channel];
779 st->mode[chan] = mode;
780 return i8254_set_mode_low(st->iobase, chan, mode);
783 static unsigned int i8254_read_status_low(unsigned int base, int channel)
785 outb(0xE0 | (2 << channel), base + I8254_CTRL);
786 return inb(base + channel);
789 static unsigned int i8254_read_status(struct i8254_struct *st, int channel)
791 int chan = st->logic2phys[channel];
793 return i8254_read_status_low(st->iobase, chan);
796 static int das08_counter_read(struct comedi_device *dev,
797 struct comedi_subdevice *s,
798 struct comedi_insn *insn, unsigned int *data)
800 int chan = insn->chanspec;
802 /* printk("Reading counter channel %d ",chan); */
803 data[0] = i8254_read_channel(&devpriv->i8254, chan);
804 /* printk("=> 0x%08X\n",data[0]); */
809 static int das08_counter_write(struct comedi_device *dev,
810 struct comedi_subdevice *s,
811 struct comedi_insn *insn, unsigned int *data)
813 int chan = insn->chanspec;
815 /* printk("Writing counter channel %d with 0x%04X\n",chan,data[0]); */
816 i8254_write_channel(&devpriv->i8254, chan, data[0]);
821 static int das08_counter_config(struct comedi_device *dev,
822 struct comedi_subdevice *s,
823 struct comedi_insn *insn, unsigned int *data)
825 int chan = insn->chanspec;
831 case INSN_CONFIG_SET_COUNTER_MODE:
832 i8254_set_mode(&devpriv->i8254, chan, data[1]);
834 case INSN_CONFIG_8254_READ_STATUS:
835 data[1] = i8254_read_status(&devpriv->i8254, chan);
844 static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it);
846 static struct comedi_driver driver_das08 = {
847 .driver_name = DRV_NAME,
848 .module = THIS_MODULE,
849 .attach = das08_attach,
850 .detach = das08_common_detach,
851 .board_name = &das08_boards[0].name,
852 .num_names = sizeof(das08_boards) / sizeof(struct das08_board_struct),
853 .offset = sizeof(struct das08_board_struct),
856 int das08_common_attach(struct comedi_device *dev, unsigned long iobase)
858 struct comedi_subdevice *s;
861 /* allocate ioports for non-pcmcia, non-pci boards */
862 if ((thisboard->bustype != pcmcia) && (thisboard->bustype != pci)) {
863 printk(" iobase 0x%lx\n", iobase);
864 if (!request_region(iobase, thisboard->iosize, DRV_NAME)) {
865 printk(" I/O port conflict\n");
869 dev->iobase = iobase;
871 dev->board_name = thisboard->name;
873 ret = alloc_subdevices(dev, 6);
877 s = dev->subdevices + 0;
880 s->type = COMEDI_SUBD_AI;
881 /* XXX some boards actually have differential inputs instead of single ended.
882 * The driver does nothing with arefs though, so it's no big deal. */
883 s->subdev_flags = SDF_READABLE | SDF_GROUND;
885 s->maxdata = (1 << thisboard->ai_nbits) - 1;
886 s->range_table = das08_ai_lranges[thisboard->ai_pg];
887 s->insn_read = thisboard->ai;
888 devpriv->pg_gainlist = das08_gainlists[thisboard->ai_pg];
890 s->type = COMEDI_SUBD_UNUSED;
893 s = dev->subdevices + 1;
896 s->type = COMEDI_SUBD_AO;
897 /* XXX lacks read-back insn */
898 s->subdev_flags = SDF_WRITABLE;
900 s->maxdata = (1 << thisboard->ao_nbits) - 1;
901 s->range_table = &range_bipolar5;
902 s->insn_write = thisboard->ao;
904 s->type = COMEDI_SUBD_UNUSED;
907 s = dev->subdevices + 2;
910 s->type = COMEDI_SUBD_DI;
911 s->subdev_flags = SDF_READABLE;
912 s->n_chan = (thisboard->di == das08_di_rbits) ? 3 : 8;
914 s->range_table = &range_digital;
915 s->insn_bits = thisboard->di;
917 s->type = COMEDI_SUBD_UNUSED;
920 s = dev->subdevices + 3;
922 if (thisboard->do_) {
923 s->type = COMEDI_SUBD_DO;
924 s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
925 s->n_chan = thisboard->do_nchan;
927 s->range_table = &range_digital;
928 s->insn_bits = thisboard->do_;
930 s->type = COMEDI_SUBD_UNUSED;
933 s = dev->subdevices + 4;
935 if (thisboard->i8255_offset != 0) {
936 subdev_8255_init(dev, s, NULL, (unsigned long)(dev->iobase +
940 s->type = COMEDI_SUBD_UNUSED;
943 s = dev->subdevices + 5;
945 if (thisboard->i8254_offset != 0) {
946 s->type = COMEDI_SUBD_COUNTER;
947 s->subdev_flags = SDF_WRITABLE | SDF_READABLE;
950 s->insn_read = das08_counter_read;
951 s->insn_write = das08_counter_write;
952 s->insn_config = das08_counter_config;
953 /* Set-up the 8254 structure */
954 devpriv->i8254.channels = 3;
955 devpriv->i8254.logic2phys[0] = 0;
956 devpriv->i8254.logic2phys[1] = 1;
957 devpriv->i8254.logic2phys[2] = 2;
958 devpriv->i8254.iobase = iobase + thisboard->i8254_offset;
959 devpriv->i8254.mode[0] =
960 devpriv->i8254.mode[1] =
961 devpriv->i8254.mode[2] = I8254_MODE0 | I8254_BINARY;
962 i8254_initialize(&devpriv->i8254);
964 s->type = COMEDI_SUBD_UNUSED;
970 static int das08_attach(struct comedi_device *dev, struct comedi_devconfig *it)
973 unsigned long iobase;
974 #ifdef CONFIG_COMEDI_PCI
975 unsigned long pci_iobase = 0;
976 struct pci_dev *pdev;
979 ret = alloc_private(dev, sizeof(struct das08_private_struct));
983 printk("comedi%d: das08: ", dev->minor);
984 /* deal with a pci board */
985 if (thisboard->bustype == pci) {
986 #ifdef CONFIG_COMEDI_PCI
987 if (it->options[0] || it->options[1]) {
988 printk("bus %i slot %i ",
989 it->options[0], it->options[1]);
993 for (pdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, NULL);
995 pdev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, pdev)) {
996 if (pdev->vendor == PCI_VENDOR_ID_COMPUTERBOARDS
997 && pdev->device == PCI_DEVICE_ID_PCIDAS08) {
998 if (it->options[0] || it->options[1]) {
999 if (pdev->bus->number == it->options[0]
1000 && PCI_SLOT(pdev->devfn) ==
1010 printk("No pci das08 cards found\n");
1013 devpriv->pdev = pdev;
1014 /* enable PCI device and reserve I/O spaces */
1015 if (comedi_pci_enable(pdev, DRV_NAME)) {
1017 (" Error enabling PCI device and requesting regions\n");
1020 /* read base addresses */
1021 pci_iobase = pci_resource_start(pdev, 1);
1022 iobase = pci_resource_start(pdev, 2);
1023 printk("pcibase 0x%lx iobase 0x%lx\n", pci_iobase, iobase);
1024 devpriv->pci_iobase = pci_iobase;
1026 /* We could enable to pci-das08's interrupt here to make it possible
1027 * to do timed input in this driver, but there is little point since
1028 * conversions would have to be started by the interrupt handler
1029 * so you might as well use comedi_rt_timer to emulate commands
1031 /* set source of interrupt trigger to counter2 output */
1032 outb(CNTRL_INTR | CNTRL_DIR, pci_iobase + CNTRL);
1033 /* Enable local interrupt 1 and pci interrupt */
1034 outw(INTR1_ENABLE | PCI_INTR_ENABLE, pci_iobase + INTCSR);
1036 #else /* CONFIG_COMEDI_PCI */
1037 printk("this driver has not been built with PCI support.\n");
1039 #endif /* CONFIG_COMEDI_PCI */
1041 iobase = it->options[0];
1045 return das08_common_attach(dev, iobase);
1048 int das08_common_detach(struct comedi_device *dev)
1050 printk(KERN_INFO "comedi%d: das08: remove\n", dev->minor);
1052 if (dev->subdevices)
1053 subdev_8255_cleanup(dev, dev->subdevices + 4);
1055 /* deallocate ioports for non-pcmcia, non-pci boards */
1056 if ((thisboard->bustype != pcmcia) && (thisboard->bustype != pci)) {
1058 release_region(dev->iobase, thisboard->iosize);
1060 #ifdef CONFIG_COMEDI_PCI
1062 if (devpriv->pdev) {
1063 if (devpriv->pci_iobase) {
1064 comedi_pci_disable(devpriv->pdev);
1066 pci_dev_put(devpriv->pdev);
1074 #ifdef CONFIG_COMEDI_PCI
1075 COMEDI_PCI_INITCLEANUP(driver_das08, das08_pci_table);
1077 COMEDI_INITCLEANUP(driver_das08);
1080 EXPORT_SYMBOL_GPL(das08_common_attach);
1081 EXPORT_SYMBOL_GPL(das08_common_detach);
1082 #ifdef CONFIG_COMEDI_PCMCIA
1083 EXPORT_SYMBOL_GPL(das08_cs_boards);