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111#include <linux/interrupt.h>
112#include <linux/gfp.h>
113#include "../comedidev.h"
114
115#include <linux/delay.h>
116#include <linux/ioport.h>
117#include <linux/io.h>
118#include <asm/dma.h>
119
120#include "comedi_fc.h"
121#include "8253.h"
122
123
124#define boardPCL812PG 0
125#define boardPCL813B 1
126#define boardPCL812 2
127#define boardPCL813 3
128#define boardISO813 5
129#define boardACL8113 6
130#define boardACL8112 7
131#define boardACL8216 8
132#define boardA821 9
133
134#define PCLx1x_IORANGE 16
135
136#define PCL812_CTR0 0
137#define PCL812_CTR1 1
138#define PCL812_CTR2 2
139#define PCL812_CTRCTL 3
140#define PCL812_AD_LO 4
141#define PCL812_DA1_LO 4
142#define PCL812_AD_HI 5
143#define PCL812_DA1_HI 5
144#define PCL812_DA2_LO 6
145#define PCL812_DI_LO 6
146#define PCL812_DA2_HI 7
147#define PCL812_DI_HI 7
148#define PCL812_CLRINT 8
149#define PCL812_GAIN 9
150#define PCL812_MUX 10
151#define PCL812_MODE 11
152#define PCL812_CNTENABLE 10
153#define PCL812_SOFTTRIG 12
154#define PCL812_DO_LO 13
155#define PCL812_DO_HI 14
156
157#define PCL812_DRDY 0x10
158
159#define ACL8216_STATUS 8
160
161#define ACL8216_DRDY 0x20
162
163#define MAX_CHANLIST_LEN 256
164
165static const struct comedi_lrange range_pcl812pg_ai = { 5, {
166 BIP_RANGE(5),
167 BIP_RANGE(2.5),
168 BIP_RANGE(1.25),
169 BIP_RANGE(0.625),
170 BIP_RANGE(0.3125),
171 }
172};
173
174static const struct comedi_lrange range_pcl812pg2_ai = { 5, {
175 BIP_RANGE(10),
176 BIP_RANGE(5),
177 BIP_RANGE(2.5),
178 BIP_RANGE(1.25),
179 BIP_RANGE(0.625),
180 }
181};
182
183static const struct comedi_lrange range812_bipolar1_25 = { 1, {
184 BIP_RANGE(1.25),
185 }
186};
187
188static const struct comedi_lrange range812_bipolar0_625 = { 1, {
189 BIP_RANGE
190 (0.625),
191 }
192};
193
194static const struct comedi_lrange range812_bipolar0_3125 = { 1, {
195 BIP_RANGE
196 (0.3125),
197 }
198};
199
200static const struct comedi_lrange range_pcl813b_ai = { 4, {
201 BIP_RANGE(5),
202 BIP_RANGE(2.5),
203 BIP_RANGE(1.25),
204 BIP_RANGE(0.625),
205 }
206};
207
208static const struct comedi_lrange range_pcl813b2_ai = { 4, {
209 UNI_RANGE(10),
210 UNI_RANGE(5),
211 UNI_RANGE(2.5),
212 UNI_RANGE(1.25),
213 }
214};
215
216static const struct comedi_lrange range_iso813_1_ai = { 5, {
217 BIP_RANGE(5),
218 BIP_RANGE(2.5),
219 BIP_RANGE(1.25),
220 BIP_RANGE(0.625),
221 BIP_RANGE(0.3125),
222 }
223};
224
225static const struct comedi_lrange range_iso813_1_2_ai = { 5, {
226 UNI_RANGE(10),
227 UNI_RANGE(5),
228 UNI_RANGE(2.5),
229 UNI_RANGE(1.25),
230 UNI_RANGE(0.625),
231 }
232};
233
234static const struct comedi_lrange range_iso813_2_ai = { 4, {
235 BIP_RANGE(5),
236 BIP_RANGE(2.5),
237 BIP_RANGE(1.25),
238 BIP_RANGE(0.625),
239 }
240};
241
242static const struct comedi_lrange range_iso813_2_2_ai = { 4, {
243 UNI_RANGE(10),
244 UNI_RANGE(5),
245 UNI_RANGE(2.5),
246 UNI_RANGE(1.25),
247 }
248};
249
250static const struct comedi_lrange range_acl8113_1_ai = { 4, {
251 BIP_RANGE(5),
252 BIP_RANGE(2.5),
253 BIP_RANGE(1.25),
254 BIP_RANGE(0.625),
255 }
256};
257
258static const struct comedi_lrange range_acl8113_1_2_ai = { 4, {
259 UNI_RANGE(10),
260 UNI_RANGE(5),
261 UNI_RANGE(2.5),
262 UNI_RANGE(1.25),
263 }
264};
265
266static const struct comedi_lrange range_acl8113_2_ai = { 3, {
267 BIP_RANGE(5),
268 BIP_RANGE(2.5),
269 BIP_RANGE(1.25),
270 }
271};
272
273static const struct comedi_lrange range_acl8113_2_2_ai = { 3, {
274 UNI_RANGE(10),
275 UNI_RANGE(5),
276 UNI_RANGE(2.5),
277 }
278};
279
280static const struct comedi_lrange range_acl8112dg_ai = { 9, {
281 BIP_RANGE(5),
282 BIP_RANGE(2.5),
283 BIP_RANGE(1.25),
284 BIP_RANGE(0.625),
285 UNI_RANGE(10),
286 UNI_RANGE(5),
287 UNI_RANGE(2.5),
288 UNI_RANGE(1.25),
289 BIP_RANGE(10),
290 }
291};
292
293static const struct comedi_lrange range_acl8112hg_ai = { 12, {
294 BIP_RANGE(5),
295 BIP_RANGE(0.5),
296 BIP_RANGE(0.05),
297 BIP_RANGE(0.005),
298 UNI_RANGE(10),
299 UNI_RANGE(1),
300 UNI_RANGE(0.1),
301 UNI_RANGE(0.01),
302 BIP_RANGE(10),
303 BIP_RANGE(1),
304 BIP_RANGE(0.1),
305 BIP_RANGE(0.01),
306 }
307};
308
309static const struct comedi_lrange range_a821pgh_ai = { 4, {
310 BIP_RANGE(5),
311 BIP_RANGE(0.5),
312 BIP_RANGE(0.05),
313 BIP_RANGE(0.005),
314 }
315};
316
317struct pcl812_board {
318
319 const char *name;
320 int board_type;
321 int n_aichan;
322 int n_aichan_diff;
323 int n_aochan;
324 int n_dichan;
325 int n_dochan;
326 int ai_maxdata;
327 unsigned int ai_ns_min;
328 unsigned int i8254_osc_base;
329 const struct comedi_lrange *rangelist_ai;
330 const struct comedi_lrange *rangelist_ao;
331 unsigned int IRQbits;
332 unsigned char DMAbits;
333 unsigned char io_range;
334 unsigned char haveMPC508;
335};
336
337struct pcl812_private {
338
339 unsigned char valid;
340 unsigned char dma;
341 unsigned char use_diff;
342 unsigned char use_MPC;
343 unsigned char use_ext_trg;
344 unsigned char range_correction;
345 unsigned char old_chan_reg;
346 unsigned char old_gain_reg;
347 unsigned char mode_reg_int;
348 unsigned char ai_neverending;
349 unsigned char ai_eos;
350 unsigned char ai_dma;
351 unsigned int ai_poll_ptr;
352 unsigned int ai_scans;
353 unsigned int ai_act_scan;
354 unsigned int ai_chanlist[MAX_CHANLIST_LEN];
355 unsigned int ai_n_chan;
356 unsigned int ai_flags;
357 unsigned int ai_data_len;
358 short *ai_data;
359 unsigned int ai_is16b;
360 unsigned long dmabuf[2];
361 unsigned int dmapages[2];
362 unsigned int hwdmaptr[2];
363 unsigned int hwdmasize[2];
364 unsigned int dmabytestomove[2];
365 int next_dma_buf;
366 unsigned int dma_runs_to_end;
367 unsigned int last_dma_run;
368 unsigned int max_812_ai_mode0_rangewait;
369 unsigned int ao_readback[2];
370};
371
372
373
374
375static void start_pacer(struct comedi_device *dev, int mode,
376 unsigned int divisor1, unsigned int divisor2);
377static void setup_range_channel(struct comedi_device *dev,
378 struct comedi_subdevice *s,
379 unsigned int rangechan, char wait);
380static int pcl812_ai_cancel(struct comedi_device *dev,
381 struct comedi_subdevice *s);
382
383
384
385static int pcl812_ai_insn_read(struct comedi_device *dev,
386 struct comedi_subdevice *s,
387 struct comedi_insn *insn, unsigned int *data)
388{
389 struct pcl812_private *devpriv = dev->private;
390 int n;
391 int timeout, hi;
392
393
394 outb(devpriv->mode_reg_int | 1, dev->iobase + PCL812_MODE);
395
396 setup_range_channel(dev, s, insn->chanspec, 1);
397 for (n = 0; n < insn->n; n++) {
398
399 outb(255, dev->iobase + PCL812_SOFTTRIG);
400 udelay(5);
401 timeout = 50;
402 while (timeout--) {
403 hi = inb(dev->iobase + PCL812_AD_HI);
404 if (!(hi & PCL812_DRDY))
405 goto conv_finish;
406 udelay(1);
407 }
408 printk
409 ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
410 dev->minor, dev->board_name, dev->iobase);
411 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
412 return -ETIME;
413
414conv_finish:
415 data[n] = ((hi & 0xf) << 8) | inb(dev->iobase + PCL812_AD_LO);
416 }
417 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
418 return n;
419}
420
421
422
423
424static int acl8216_ai_insn_read(struct comedi_device *dev,
425 struct comedi_subdevice *s,
426 struct comedi_insn *insn, unsigned int *data)
427{
428 int n;
429 int timeout;
430
431
432 outb(1, dev->iobase + PCL812_MODE);
433
434 setup_range_channel(dev, s, insn->chanspec, 1);
435 for (n = 0; n < insn->n; n++) {
436
437 outb(255, dev->iobase + PCL812_SOFTTRIG);
438 udelay(5);
439 timeout = 50;
440 while (timeout--) {
441 if (!(inb(dev->iobase + ACL8216_STATUS) & ACL8216_DRDY))
442 goto conv_finish;
443 udelay(1);
444 }
445 printk
446 ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
447 dev->minor, dev->board_name, dev->iobase);
448 outb(0, dev->iobase + PCL812_MODE);
449 return -ETIME;
450
451conv_finish:
452 data[n] =
453 (inb(dev->iobase +
454 PCL812_AD_HI) << 8) | inb(dev->iobase + PCL812_AD_LO);
455 }
456 outb(0, dev->iobase + PCL812_MODE);
457 return n;
458}
459
460
461
462
463static int pcl812_ao_insn_write(struct comedi_device *dev,
464 struct comedi_subdevice *s,
465 struct comedi_insn *insn, unsigned int *data)
466{
467 struct pcl812_private *devpriv = dev->private;
468 int chan = CR_CHAN(insn->chanspec);
469 int i;
470
471 for (i = 0; i < insn->n; i++) {
472 outb((data[i] & 0xff),
473 dev->iobase + (chan ? PCL812_DA2_LO : PCL812_DA1_LO));
474 outb((data[i] >> 8) & 0x0f,
475 dev->iobase + (chan ? PCL812_DA2_HI : PCL812_DA1_HI));
476 devpriv->ao_readback[chan] = data[i];
477 }
478
479 return i;
480}
481
482
483
484
485static int pcl812_ao_insn_read(struct comedi_device *dev,
486 struct comedi_subdevice *s,
487 struct comedi_insn *insn, unsigned int *data)
488{
489 struct pcl812_private *devpriv = dev->private;
490 int chan = CR_CHAN(insn->chanspec);
491 int i;
492
493 for (i = 0; i < insn->n; i++)
494 data[i] = devpriv->ao_readback[chan];
495
496 return i;
497}
498
499
500
501
502static int pcl812_di_insn_bits(struct comedi_device *dev,
503 struct comedi_subdevice *s,
504 struct comedi_insn *insn, unsigned int *data)
505{
506 data[1] = inb(dev->iobase + PCL812_DI_LO);
507 data[1] |= inb(dev->iobase + PCL812_DI_HI) << 8;
508
509 return insn->n;
510}
511
512
513
514
515static int pcl812_do_insn_bits(struct comedi_device *dev,
516 struct comedi_subdevice *s,
517 struct comedi_insn *insn, unsigned int *data)
518{
519 if (data[0]) {
520 s->state &= ~data[0];
521 s->state |= data[0] & data[1];
522 outb(s->state & 0xff, dev->iobase + PCL812_DO_LO);
523 outb((s->state >> 8), dev->iobase + PCL812_DO_HI);
524 }
525 data[1] = s->state;
526
527 return insn->n;
528}
529
530
531
532
533static int pcl812_ai_cmdtest(struct comedi_device *dev,
534 struct comedi_subdevice *s, struct comedi_cmd *cmd)
535{
536 const struct pcl812_board *board = comedi_board(dev);
537 struct pcl812_private *devpriv = dev->private;
538 int err = 0;
539 unsigned int flags;
540 int tmp, divisor1, divisor2;
541
542
543
544 err |= cfc_check_trigger_src(&cmd->start_src, TRIG_NOW);
545 err |= cfc_check_trigger_src(&cmd->scan_begin_src, TRIG_FOLLOW);
546
547 if (devpriv->use_ext_trg)
548 flags = TRIG_EXT;
549 else
550 flags = TRIG_TIMER;
551 err |= cfc_check_trigger_src(&cmd->convert_src, flags);
552
553 err |= cfc_check_trigger_src(&cmd->scan_end_src, TRIG_COUNT);
554 err |= cfc_check_trigger_src(&cmd->stop_src, TRIG_COUNT | TRIG_NONE);
555
556 if (err)
557 return 1;
558
559
560
561 err |= cfc_check_trigger_is_unique(cmd->stop_src);
562
563
564
565 if (err)
566 return 2;
567
568
569
570 err |= cfc_check_trigger_arg_is(&cmd->start_arg, 0);
571 err |= cfc_check_trigger_arg_is(&cmd->scan_begin_arg, 0);
572
573 if (cmd->convert_src == TRIG_TIMER)
574 err |= cfc_check_trigger_arg_min(&cmd->convert_arg,
575 board->ai_ns_min);
576 else
577 err |= cfc_check_trigger_arg_is(&cmd->convert_arg, 0);
578
579 err |= cfc_check_trigger_arg_min(&cmd->chanlist_len, 1);
580 err |= cfc_check_trigger_arg_max(&cmd->chanlist_len, MAX_CHANLIST_LEN);
581 err |= cfc_check_trigger_arg_is(&cmd->scan_end_arg, cmd->chanlist_len);
582
583 if (cmd->stop_src == TRIG_COUNT)
584 err |= cfc_check_trigger_arg_min(&cmd->stop_arg, 1);
585 else
586 err |= cfc_check_trigger_arg_is(&cmd->stop_arg, 0);
587
588 if (err)
589 return 3;
590
591
592
593 if (cmd->convert_src == TRIG_TIMER) {
594 tmp = cmd->convert_arg;
595 i8253_cascade_ns_to_timer(board->i8254_osc_base, &divisor1,
596 &divisor2, &cmd->convert_arg,
597 cmd->flags & TRIG_ROUND_MASK);
598 if (cmd->convert_arg < board->ai_ns_min)
599 cmd->convert_arg = board->ai_ns_min;
600 if (tmp != cmd->convert_arg)
601 err++;
602 }
603
604 if (err)
605 return 4;
606
607 return 0;
608}
609
610
611
612
613static int pcl812_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
614{
615 const struct pcl812_board *board = comedi_board(dev);
616 struct pcl812_private *devpriv = dev->private;
617 unsigned int divisor1 = 0, divisor2 = 0, i, dma_flags, bytes;
618 struct comedi_cmd *cmd = &s->async->cmd;
619
620 if (cmd->start_src != TRIG_NOW)
621 return -EINVAL;
622 if (cmd->scan_begin_src != TRIG_FOLLOW)
623 return -EINVAL;
624 if (devpriv->use_ext_trg) {
625 if (cmd->convert_src != TRIG_EXT)
626 return -EINVAL;
627 } else {
628 if (cmd->convert_src != TRIG_TIMER)
629 return -EINVAL;
630 }
631 if (cmd->scan_end_src != TRIG_COUNT)
632 return -EINVAL;
633 if (cmd->scan_end_arg != cmd->chanlist_len)
634 return -EINVAL;
635 if (cmd->chanlist_len > MAX_CHANLIST_LEN)
636 return -EINVAL;
637
638 if (cmd->convert_src == TRIG_TIMER) {
639 if (cmd->convert_arg < board->ai_ns_min)
640 cmd->convert_arg = board->ai_ns_min;
641 i8253_cascade_ns_to_timer(board->i8254_osc_base,
642 &divisor1, &divisor2,
643 &cmd->convert_arg,
644 cmd->flags & TRIG_ROUND_MASK);
645 }
646
647 start_pacer(dev, -1, 0, 0);
648
649 devpriv->ai_n_chan = cmd->chanlist_len;
650 memcpy(devpriv->ai_chanlist, cmd->chanlist,
651 sizeof(unsigned int) * cmd->scan_end_arg);
652
653 setup_range_channel(dev, s, devpriv->ai_chanlist[0], 1);
654
655 if (devpriv->dma) {
656 devpriv->ai_dma = 1;
657 for (i = 1; i < devpriv->ai_n_chan; i++)
658 if (devpriv->ai_chanlist[0] != devpriv->ai_chanlist[i]) {
659
660 devpriv->ai_dma = 0;
661 break;
662 }
663 } else
664 devpriv->ai_dma = 0;
665
666 devpriv->ai_flags = cmd->flags;
667 devpriv->ai_data_len = s->async->prealloc_bufsz;
668 devpriv->ai_data = s->async->prealloc_buf;
669 if (cmd->stop_src == TRIG_COUNT) {
670 devpriv->ai_scans = cmd->stop_arg;
671 devpriv->ai_neverending = 0;
672 } else {
673 devpriv->ai_scans = 0;
674 devpriv->ai_neverending = 1;
675 }
676
677 devpriv->ai_act_scan = 0;
678 devpriv->ai_poll_ptr = 0;
679 s->async->cur_chan = 0;
680
681
682 if ((devpriv->ai_flags & TRIG_WAKE_EOS)) {
683 devpriv->ai_eos = 1;
684
685
686 if (devpriv->ai_n_chan == 1)
687 devpriv->ai_dma = 0;
688 }
689
690 if (devpriv->ai_dma) {
691
692 if (devpriv->ai_eos) {
693 devpriv->dmabytestomove[0] =
694 devpriv->ai_n_chan * sizeof(short);
695 devpriv->dmabytestomove[1] =
696 devpriv->ai_n_chan * sizeof(short);
697 devpriv->dma_runs_to_end = 1;
698 } else {
699 devpriv->dmabytestomove[0] = devpriv->hwdmasize[0];
700 devpriv->dmabytestomove[1] = devpriv->hwdmasize[1];
701 if (devpriv->ai_data_len < devpriv->hwdmasize[0])
702 devpriv->dmabytestomove[0] =
703 devpriv->ai_data_len;
704 if (devpriv->ai_data_len < devpriv->hwdmasize[1])
705 devpriv->dmabytestomove[1] =
706 devpriv->ai_data_len;
707 if (devpriv->ai_neverending) {
708 devpriv->dma_runs_to_end = 1;
709 } else {
710
711 bytes = devpriv->ai_n_chan *
712 devpriv->ai_scans * sizeof(short);
713
714
715 devpriv->dma_runs_to_end =
716 bytes / devpriv->dmabytestomove[0];
717
718
719 devpriv->last_dma_run =
720 bytes % devpriv->dmabytestomove[0];
721 if (devpriv->dma_runs_to_end == 0)
722 devpriv->dmabytestomove[0] =
723 devpriv->last_dma_run;
724 devpriv->dma_runs_to_end--;
725 }
726 }
727 if (devpriv->dmabytestomove[0] > devpriv->hwdmasize[0]) {
728 devpriv->dmabytestomove[0] = devpriv->hwdmasize[0];
729 devpriv->ai_eos = 0;
730 }
731 if (devpriv->dmabytestomove[1] > devpriv->hwdmasize[1]) {
732 devpriv->dmabytestomove[1] = devpriv->hwdmasize[1];
733 devpriv->ai_eos = 0;
734 }
735 devpriv->next_dma_buf = 0;
736 set_dma_mode(devpriv->dma, DMA_MODE_READ);
737 dma_flags = claim_dma_lock();
738 clear_dma_ff(devpriv->dma);
739 set_dma_addr(devpriv->dma, devpriv->hwdmaptr[0]);
740 set_dma_count(devpriv->dma, devpriv->dmabytestomove[0]);
741 release_dma_lock(dma_flags);
742 enable_dma(devpriv->dma);
743 }
744
745 switch (cmd->convert_src) {
746 case TRIG_TIMER:
747 start_pacer(dev, 1, divisor1, divisor2);
748 break;
749 }
750
751 if (devpriv->ai_dma)
752 outb(devpriv->mode_reg_int | 2, dev->iobase + PCL812_MODE);
753 else
754 outb(devpriv->mode_reg_int | 6, dev->iobase + PCL812_MODE);
755
756 return 0;
757}
758
759
760
761
762static irqreturn_t interrupt_pcl812_ai_int(int irq, void *d)
763{
764 char err = 1;
765 unsigned int mask, timeout;
766 struct comedi_device *dev = d;
767 struct pcl812_private *devpriv = dev->private;
768 struct comedi_subdevice *s = &dev->subdevices[0];
769 unsigned int next_chan;
770
771 s->async->events = 0;
772
773 timeout = 50;
774 if (devpriv->ai_is16b) {
775 mask = 0xffff;
776 while (timeout--) {
777 if (!(inb(dev->iobase + ACL8216_STATUS) & ACL8216_DRDY)) {
778 err = 0;
779 break;
780 }
781 udelay(1);
782 }
783 } else {
784 mask = 0x0fff;
785 while (timeout--) {
786 if (!(inb(dev->iobase + PCL812_AD_HI) & PCL812_DRDY)) {
787 err = 0;
788 break;
789 }
790 udelay(1);
791 }
792 }
793
794 if (err) {
795 printk
796 ("comedi%d: pcl812: (%s at 0x%lx) "
797 "A/D cmd IRQ without DRDY!\n",
798 dev->minor, dev->board_name, dev->iobase);
799 pcl812_ai_cancel(dev, s);
800 s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
801 comedi_event(dev, s);
802 return IRQ_HANDLED;
803 }
804
805 comedi_buf_put(s->async,
806 ((inb(dev->iobase + PCL812_AD_HI) << 8) |
807 inb(dev->iobase + PCL812_AD_LO)) & mask);
808
809
810 next_chan = s->async->cur_chan + 1;
811 if (next_chan >= devpriv->ai_n_chan)
812 next_chan = 0;
813 if (devpriv->ai_chanlist[s->async->cur_chan] !=
814 devpriv->ai_chanlist[next_chan])
815 setup_range_channel(dev, s, devpriv->ai_chanlist[next_chan], 0);
816
817 outb(0, dev->iobase + PCL812_CLRINT);
818
819 s->async->cur_chan = next_chan;
820 if (next_chan == 0) {
821 devpriv->ai_act_scan++;
822 if (!(devpriv->ai_neverending))
823
824 if (devpriv->ai_act_scan >= devpriv->ai_scans) {
825 pcl812_ai_cancel(dev, s);
826 s->async->events |= COMEDI_CB_EOA;
827 }
828 }
829
830 comedi_event(dev, s);
831 return IRQ_HANDLED;
832}
833
834
835
836
837static void transfer_from_dma_buf(struct comedi_device *dev,
838 struct comedi_subdevice *s, short *ptr,
839 unsigned int bufptr, unsigned int len)
840{
841 struct pcl812_private *devpriv = dev->private;
842 unsigned int i;
843
844 s->async->events = 0;
845 for (i = len; i; i--) {
846
847 comedi_buf_put(s->async, ptr[bufptr++]);
848
849 s->async->cur_chan++;
850 if (s->async->cur_chan >= devpriv->ai_n_chan) {
851 s->async->cur_chan = 0;
852 devpriv->ai_act_scan++;
853 if (!devpriv->ai_neverending)
854
855 if (devpriv->ai_act_scan >= devpriv->ai_scans) {
856 pcl812_ai_cancel(dev, s);
857 s->async->events |= COMEDI_CB_EOA;
858 break;
859 }
860 }
861 }
862
863 comedi_event(dev, s);
864}
865
866
867
868
869static irqreturn_t interrupt_pcl812_ai_dma(int irq, void *d)
870{
871 struct comedi_device *dev = d;
872 struct pcl812_private *devpriv = dev->private;
873 struct comedi_subdevice *s = &dev->subdevices[0];
874 unsigned long dma_flags;
875 int len, bufptr;
876 short *ptr;
877
878 ptr = (short *)devpriv->dmabuf[devpriv->next_dma_buf];
879 len = (devpriv->dmabytestomove[devpriv->next_dma_buf] >> 1) -
880 devpriv->ai_poll_ptr;
881
882 devpriv->next_dma_buf = 1 - devpriv->next_dma_buf;
883 disable_dma(devpriv->dma);
884 set_dma_mode(devpriv->dma, DMA_MODE_READ);
885 dma_flags = claim_dma_lock();
886 set_dma_addr(devpriv->dma, devpriv->hwdmaptr[devpriv->next_dma_buf]);
887 if (devpriv->ai_eos) {
888 set_dma_count(devpriv->dma,
889 devpriv->dmabytestomove[devpriv->next_dma_buf]);
890 } else {
891 if (devpriv->dma_runs_to_end) {
892 set_dma_count(devpriv->dma,
893 devpriv->dmabytestomove[devpriv->
894 next_dma_buf]);
895 } else {
896 set_dma_count(devpriv->dma, devpriv->last_dma_run);
897 }
898 devpriv->dma_runs_to_end--;
899 }
900 release_dma_lock(dma_flags);
901 enable_dma(devpriv->dma);
902
903 outb(0, dev->iobase + PCL812_CLRINT);
904
905 bufptr = devpriv->ai_poll_ptr;
906 devpriv->ai_poll_ptr = 0;
907
908 transfer_from_dma_buf(dev, s, ptr, bufptr, len);
909
910 return IRQ_HANDLED;
911}
912
913
914
915
916static irqreturn_t interrupt_pcl812(int irq, void *d)
917{
918 struct comedi_device *dev = d;
919 struct pcl812_private *devpriv = dev->private;
920
921 if (!dev->attached) {
922 comedi_error(dev, "spurious interrupt");
923 return IRQ_HANDLED;
924 }
925 if (devpriv->ai_dma)
926 return interrupt_pcl812_ai_dma(irq, d);
927 else
928 return interrupt_pcl812_ai_int(irq, d);
929}
930
931
932
933
934static int pcl812_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s)
935{
936 struct pcl812_private *devpriv = dev->private;
937 unsigned long flags;
938 unsigned int top1, top2, i;
939
940 if (!devpriv->ai_dma)
941 return 0;
942
943 spin_lock_irqsave(&dev->spinlock, flags);
944
945 for (i = 0; i < 10; i++) {
946
947 top1 = get_dma_residue(devpriv->ai_dma);
948 top2 = get_dma_residue(devpriv->ai_dma);
949 if (top1 == top2)
950 break;
951 }
952
953 if (top1 != top2) {
954 spin_unlock_irqrestore(&dev->spinlock, flags);
955 return 0;
956 }
957
958 top1 = devpriv->dmabytestomove[1 - devpriv->next_dma_buf] - top1;
959 top1 >>= 1;
960 top2 = top1 - devpriv->ai_poll_ptr;
961 if (top2 < 1) {
962 spin_unlock_irqrestore(&dev->spinlock, flags);
963 return 0;
964 }
965
966 transfer_from_dma_buf(dev, s,
967 (void *)devpriv->dmabuf[1 -
968 devpriv->next_dma_buf],
969 devpriv->ai_poll_ptr, top2);
970
971 devpriv->ai_poll_ptr = top1;
972
973 spin_unlock_irqrestore(&dev->spinlock, flags);
974
975 return s->async->buf_write_count - s->async->buf_read_count;
976}
977
978
979
980
981static void setup_range_channel(struct comedi_device *dev,
982 struct comedi_subdevice *s,
983 unsigned int rangechan, char wait)
984{
985 struct pcl812_private *devpriv = dev->private;
986 unsigned char chan_reg = CR_CHAN(rangechan);
987
988 unsigned char gain_reg = CR_RANGE(rangechan) +
989 devpriv->range_correction;
990
991 if ((chan_reg == devpriv->old_chan_reg)
992 && (gain_reg == devpriv->old_gain_reg))
993 return;
994
995 devpriv->old_chan_reg = chan_reg;
996 devpriv->old_gain_reg = gain_reg;
997
998 if (devpriv->use_MPC) {
999 if (devpriv->use_diff) {
1000 chan_reg = chan_reg | 0x30;
1001 } else {
1002 if (chan_reg & 0x80)
1003
1004 chan_reg = chan_reg | 0x20;
1005 else
1006
1007 chan_reg = chan_reg | 0x10;
1008 }
1009 }
1010
1011 outb(chan_reg, dev->iobase + PCL812_MUX);
1012 outb(gain_reg, dev->iobase + PCL812_GAIN);
1013
1014
1015 if (wait)
1016
1017
1018
1019
1020 udelay(devpriv->max_812_ai_mode0_rangewait);
1021}
1022
1023
1024
1025
1026static void start_pacer(struct comedi_device *dev, int mode,
1027 unsigned int divisor1, unsigned int divisor2)
1028{
1029 outb(0xb4, dev->iobase + PCL812_CTRCTL);
1030 outb(0x74, dev->iobase + PCL812_CTRCTL);
1031 udelay(1);
1032
1033 if (mode == 1) {
1034 outb(divisor2 & 0xff, dev->iobase + PCL812_CTR2);
1035 outb((divisor2 >> 8) & 0xff, dev->iobase + PCL812_CTR2);
1036 outb(divisor1 & 0xff, dev->iobase + PCL812_CTR1);
1037 outb((divisor1 >> 8) & 0xff, dev->iobase + PCL812_CTR1);
1038 }
1039}
1040
1041
1042
1043
1044static int pcl812_ai_cancel(struct comedi_device *dev,
1045 struct comedi_subdevice *s)
1046{
1047 struct pcl812_private *devpriv = dev->private;
1048
1049 if (devpriv->ai_dma)
1050 disable_dma(devpriv->dma);
1051 outb(0, dev->iobase + PCL812_CLRINT);
1052
1053 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
1054 start_pacer(dev, -1, 0, 0);
1055 outb(0, dev->iobase + PCL812_CLRINT);
1056 return 0;
1057}
1058
1059
1060
1061
1062static void pcl812_reset(struct comedi_device *dev)
1063{
1064 const struct pcl812_board *board = comedi_board(dev);
1065 struct pcl812_private *devpriv = dev->private;
1066
1067 outb(0, dev->iobase + PCL812_MUX);
1068 outb(0 + devpriv->range_correction, dev->iobase + PCL812_GAIN);
1069 devpriv->old_chan_reg = -1;
1070 devpriv->old_gain_reg = -1;
1071
1072 switch (board->board_type) {
1073 case boardPCL812PG:
1074 case boardPCL812:
1075 case boardACL8112:
1076 case boardACL8216:
1077 outb(0, dev->iobase + PCL812_DA2_LO);
1078 outb(0, dev->iobase + PCL812_DA2_HI);
1079 case boardA821:
1080 outb(0, dev->iobase + PCL812_DA1_LO);
1081 outb(0, dev->iobase + PCL812_DA1_HI);
1082 start_pacer(dev, -1, 0, 0);
1083 outb(0, dev->iobase + PCL812_DO_HI);
1084 outb(0, dev->iobase + PCL812_DO_LO);
1085 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
1086 outb(0, dev->iobase + PCL812_CLRINT);
1087 break;
1088 case boardPCL813B:
1089 case boardPCL813:
1090 case boardISO813:
1091 case boardACL8113:
1092 udelay(5);
1093 break;
1094 }
1095 udelay(5);
1096}
1097
1098static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
1099{
1100 const struct pcl812_board *board = comedi_board(dev);
1101 struct pcl812_private *devpriv;
1102 int ret, subdev;
1103 unsigned int irq;
1104 unsigned int dma;
1105 unsigned long pages;
1106 struct comedi_subdevice *s;
1107 int n_subdevices;
1108
1109 ret = comedi_request_region(dev, it->options[0], board->io_range);
1110 if (ret)
1111 return ret;
1112
1113 devpriv = kzalloc(sizeof(*devpriv), GFP_KERNEL);
1114 if (!devpriv)
1115 return -ENOMEM;
1116 dev->private = devpriv;
1117
1118 irq = 0;
1119 if (board->IRQbits != 0) {
1120 irq = it->options[1];
1121 if (irq) {
1122 if (((1 << irq) & board->IRQbits) == 0) {
1123 printk
1124 (", IRQ %u is out of allowed range, "
1125 "DISABLING IT", irq);
1126 irq = 0;
1127 } else {
1128 if (request_irq(irq, interrupt_pcl812, 0,
1129 dev->board_name, dev)) {
1130 printk
1131 (", unable to allocate IRQ %u, "
1132 "DISABLING IT", irq);
1133 irq = 0;
1134 } else {
1135 printk(KERN_INFO ", irq=%u", irq);
1136 }
1137 }
1138 }
1139 }
1140
1141 dev->irq = irq;
1142
1143 dma = 0;
1144 devpriv->dma = dma;
1145 if (!dev->irq)
1146 goto no_dma;
1147 if (board->DMAbits != 0) {
1148 dma = it->options[2];
1149 if (((1 << dma) & board->DMAbits) == 0) {
1150 printk(", DMA is out of allowed range, FAIL!\n");
1151 return -EINVAL;
1152 }
1153 ret = request_dma(dma, dev->board_name);
1154 if (ret) {
1155 printk(KERN_ERR ", unable to allocate DMA %u, FAIL!\n",
1156 dma);
1157 return -EBUSY;
1158 }
1159 devpriv->dma = dma;
1160 printk(KERN_INFO ", dma=%u", dma);
1161 pages = 1;
1162 devpriv->dmabuf[0] = __get_dma_pages(GFP_KERNEL, pages);
1163 if (!devpriv->dmabuf[0]) {
1164 printk(", unable to allocate DMA buffer, FAIL!\n");
1165
1166
1167
1168
1169 return -EBUSY;
1170 }
1171 devpriv->dmapages[0] = pages;
1172 devpriv->hwdmaptr[0] = virt_to_bus((void *)devpriv->dmabuf[0]);
1173 devpriv->hwdmasize[0] = PAGE_SIZE * (1 << pages);
1174 devpriv->dmabuf[1] = __get_dma_pages(GFP_KERNEL, pages);
1175 if (!devpriv->dmabuf[1]) {
1176 printk(KERN_ERR ", unable to allocate DMA buffer, FAIL!\n");
1177 return -EBUSY;
1178 }
1179 devpriv->dmapages[1] = pages;
1180 devpriv->hwdmaptr[1] = virt_to_bus((void *)devpriv->dmabuf[1]);
1181 devpriv->hwdmasize[1] = PAGE_SIZE * (1 << pages);
1182 }
1183no_dma:
1184
1185 n_subdevices = 0;
1186 if (board->n_aichan > 0)
1187 n_subdevices++;
1188 if (board->n_aochan > 0)
1189 n_subdevices++;
1190 if (board->n_dichan > 0)
1191 n_subdevices++;
1192 if (board->n_dochan > 0)
1193 n_subdevices++;
1194
1195 ret = comedi_alloc_subdevices(dev, n_subdevices);
1196 if (ret)
1197 return ret;
1198
1199 subdev = 0;
1200
1201
1202 if (board->n_aichan > 0) {
1203 s = &dev->subdevices[subdev];
1204 s->type = COMEDI_SUBD_AI;
1205 s->subdev_flags = SDF_READABLE;
1206 switch (board->board_type) {
1207 case boardA821:
1208 if (it->options[2] == 1) {
1209 s->n_chan = board->n_aichan_diff;
1210 s->subdev_flags |= SDF_DIFF;
1211 devpriv->use_diff = 1;
1212 } else {
1213 s->n_chan = board->n_aichan;
1214 s->subdev_flags |= SDF_GROUND;
1215 }
1216 break;
1217 case boardACL8112:
1218 case boardACL8216:
1219 if (it->options[4] == 1) {
1220 s->n_chan = board->n_aichan_diff;
1221 s->subdev_flags |= SDF_DIFF;
1222 devpriv->use_diff = 1;
1223 } else {
1224 s->n_chan = board->n_aichan;
1225 s->subdev_flags |= SDF_GROUND;
1226 }
1227 break;
1228 default:
1229 s->n_chan = board->n_aichan;
1230 s->subdev_flags |= SDF_GROUND;
1231 break;
1232 }
1233 s->maxdata = board->ai_maxdata;
1234 s->len_chanlist = MAX_CHANLIST_LEN;
1235 s->range_table = board->rangelist_ai;
1236 if (board->board_type == boardACL8216)
1237 s->insn_read = acl8216_ai_insn_read;
1238 else
1239 s->insn_read = pcl812_ai_insn_read;
1240
1241 devpriv->use_MPC = board->haveMPC508;
1242 s->cancel = pcl812_ai_cancel;
1243 if (dev->irq) {
1244 dev->read_subdev = s;
1245 s->subdev_flags |= SDF_CMD_READ;
1246 s->do_cmdtest = pcl812_ai_cmdtest;
1247 s->do_cmd = pcl812_ai_cmd;
1248 s->poll = pcl812_ai_poll;
1249 }
1250 switch (board->board_type) {
1251 case boardPCL812PG:
1252 if (it->options[4] == 1)
1253 s->range_table = &range_pcl812pg2_ai;
1254 break;
1255 case boardPCL812:
1256 switch (it->options[4]) {
1257 case 0:
1258 s->range_table = &range_bipolar10;
1259 break;
1260 case 1:
1261 s->range_table = &range_bipolar5;
1262 break;
1263 case 2:
1264 s->range_table = &range_bipolar2_5;
1265 break;
1266 case 3:
1267 s->range_table = &range812_bipolar1_25;
1268 break;
1269 case 4:
1270 s->range_table = &range812_bipolar0_625;
1271 break;
1272 case 5:
1273 s->range_table = &range812_bipolar0_3125;
1274 break;
1275 default:
1276 s->range_table = &range_bipolar10;
1277 break;
1278 printk
1279 (", incorrect range number %d, changing "
1280 "to 0 (+/-10V)", it->options[4]);
1281 break;
1282 }
1283 break;
1284 break;
1285 case boardPCL813B:
1286 if (it->options[1] == 1)
1287 s->range_table = &range_pcl813b2_ai;
1288 break;
1289 case boardISO813:
1290 switch (it->options[1]) {
1291 case 0:
1292 s->range_table = &range_iso813_1_ai;
1293 break;
1294 case 1:
1295 s->range_table = &range_iso813_1_2_ai;
1296 break;
1297 case 2:
1298 s->range_table = &range_iso813_2_ai;
1299 devpriv->range_correction = 1;
1300 break;
1301 case 3:
1302 s->range_table = &range_iso813_2_2_ai;
1303 devpriv->range_correction = 1;
1304 break;
1305 default:
1306 s->range_table = &range_iso813_1_ai;
1307 break;
1308 printk
1309 (", incorrect range number %d, "
1310 "changing to 0 ", it->options[1]);
1311 break;
1312 }
1313 break;
1314 case boardACL8113:
1315 switch (it->options[1]) {
1316 case 0:
1317 s->range_table = &range_acl8113_1_ai;
1318 break;
1319 case 1:
1320 s->range_table = &range_acl8113_1_2_ai;
1321 break;
1322 case 2:
1323 s->range_table = &range_acl8113_2_ai;
1324 devpriv->range_correction = 1;
1325 break;
1326 case 3:
1327 s->range_table = &range_acl8113_2_2_ai;
1328 devpriv->range_correction = 1;
1329 break;
1330 default:
1331 s->range_table = &range_acl8113_1_ai;
1332 break;
1333 printk
1334 (", incorrect range number %d, "
1335 "changing to 0 ", it->options[1]);
1336 break;
1337 }
1338 break;
1339 }
1340 subdev++;
1341 }
1342
1343
1344 if (board->n_aochan > 0) {
1345 s = &dev->subdevices[subdev];
1346 s->type = COMEDI_SUBD_AO;
1347 s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
1348 s->n_chan = board->n_aochan;
1349 s->maxdata = 0xfff;
1350 s->len_chanlist = 1;
1351 s->range_table = board->rangelist_ao;
1352 s->insn_read = pcl812_ao_insn_read;
1353 s->insn_write = pcl812_ao_insn_write;
1354 switch (board->board_type) {
1355 case boardA821:
1356 if (it->options[3] == 1)
1357 s->range_table = &range_unipolar10;
1358 break;
1359 case boardPCL812:
1360 case boardACL8112:
1361 case boardPCL812PG:
1362 case boardACL8216:
1363 if (it->options[5] == 1)
1364 s->range_table = &range_unipolar10;
1365 if (it->options[5] == 2)
1366 s->range_table = &range_unknown;
1367 break;
1368 }
1369 subdev++;
1370 }
1371
1372
1373 if (board->n_dichan > 0) {
1374 s = &dev->subdevices[subdev];
1375 s->type = COMEDI_SUBD_DI;
1376 s->subdev_flags = SDF_READABLE;
1377 s->n_chan = board->n_dichan;
1378 s->maxdata = 1;
1379 s->len_chanlist = board->n_dichan;
1380 s->range_table = &range_digital;
1381 s->insn_bits = pcl812_di_insn_bits;
1382 subdev++;
1383 }
1384
1385
1386 if (board->n_dochan > 0) {
1387 s = &dev->subdevices[subdev];
1388 s->type = COMEDI_SUBD_DO;
1389 s->subdev_flags = SDF_WRITABLE;
1390 s->n_chan = board->n_dochan;
1391 s->maxdata = 1;
1392 s->len_chanlist = board->n_dochan;
1393 s->range_table = &range_digital;
1394 s->insn_bits = pcl812_do_insn_bits;
1395 subdev++;
1396 }
1397
1398 switch (board->board_type) {
1399 case boardACL8216:
1400 devpriv->ai_is16b = 1;
1401 case boardPCL812PG:
1402 case boardPCL812:
1403 case boardACL8112:
1404 devpriv->max_812_ai_mode0_rangewait = 1;
1405 if (it->options[3] > 0)
1406
1407 devpriv->use_ext_trg = 1;
1408 case boardA821:
1409 devpriv->max_812_ai_mode0_rangewait = 1;
1410 devpriv->mode_reg_int = (irq << 4) & 0xf0;
1411 break;
1412 case boardPCL813B:
1413 case boardPCL813:
1414 case boardISO813:
1415 case boardACL8113:
1416
1417 devpriv->max_812_ai_mode0_rangewait = 5;
1418 break;
1419 }
1420
1421 printk(KERN_INFO "\n");
1422 devpriv->valid = 1;
1423
1424 pcl812_reset(dev);
1425
1426 return 0;
1427}
1428
1429static void pcl812_detach(struct comedi_device *dev)
1430{
1431 struct pcl812_private *devpriv = dev->private;
1432
1433 if (devpriv) {
1434 if (devpriv->dmabuf[0])
1435 free_pages(devpriv->dmabuf[0], devpriv->dmapages[0]);
1436 if (devpriv->dmabuf[1])
1437 free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]);
1438 if (devpriv->dma)
1439 free_dma(devpriv->dma);
1440 }
1441 comedi_legacy_detach(dev);
1442}
1443
1444static const struct pcl812_board boardtypes[] = {
1445 {"pcl812", boardPCL812, 16, 0, 2, 16, 16, 0x0fff,
1446 33000, 500, &range_bipolar10, &range_unipolar5,
1447 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1448 {"pcl812pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
1449 33000, 500, &range_pcl812pg_ai, &range_unipolar5,
1450 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1451 {"acl8112pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
1452 10000, 500, &range_pcl812pg_ai, &range_unipolar5,
1453 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1454 {"acl8112dg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
1455 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
1456 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
1457 {"acl8112hg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
1458 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
1459 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
1460 {"a821pgl", boardA821, 16, 8, 1, 16, 16, 0x0fff,
1461 10000, 500, &range_pcl813b_ai, &range_unipolar5,
1462 0x000c, 0x00, PCLx1x_IORANGE, 0},
1463 {"a821pglnda", boardA821, 16, 8, 0, 0, 0, 0x0fff,
1464 10000, 500, &range_pcl813b_ai, NULL,
1465 0x000c, 0x00, PCLx1x_IORANGE, 0},
1466 {"a821pgh", boardA821, 16, 8, 1, 16, 16, 0x0fff,
1467 10000, 500, &range_a821pgh_ai, &range_unipolar5,
1468 0x000c, 0x00, PCLx1x_IORANGE, 0},
1469 {"a822pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
1470 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
1471 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1472 {"a822pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
1473 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
1474 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1475 {"a823pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
1476 8000, 500, &range_acl8112dg_ai, &range_unipolar5,
1477 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1478 {"a823pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
1479 8000, 500, &range_acl8112hg_ai, &range_unipolar5,
1480 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1481 {"pcl813", boardPCL813, 32, 0, 0, 0, 0, 0x0fff,
1482 0, 0, &range_pcl813b_ai, NULL,
1483 0x0000, 0x00, PCLx1x_IORANGE, 0},
1484 {"pcl813b", boardPCL813B, 32, 0, 0, 0, 0, 0x0fff,
1485 0, 0, &range_pcl813b_ai, NULL,
1486 0x0000, 0x00, PCLx1x_IORANGE, 0},
1487 {"acl8113", boardACL8113, 32, 0, 0, 0, 0, 0x0fff,
1488 0, 0, &range_acl8113_1_ai, NULL,
1489 0x0000, 0x00, PCLx1x_IORANGE, 0},
1490 {"iso813", boardISO813, 32, 0, 0, 0, 0, 0x0fff,
1491 0, 0, &range_iso813_1_ai, NULL,
1492 0x0000, 0x00, PCLx1x_IORANGE, 0},
1493 {"acl8216", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
1494 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
1495 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
1496 {"a826pg", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
1497 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
1498 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
1499};
1500
1501static struct comedi_driver pcl812_driver = {
1502 .driver_name = "pcl812",
1503 .module = THIS_MODULE,
1504 .attach = pcl812_attach,
1505 .detach = pcl812_detach,
1506 .board_name = &boardtypes[0].name,
1507 .num_names = ARRAY_SIZE(boardtypes),
1508 .offset = sizeof(struct pcl812_board),
1509};
1510module_comedi_driver(pcl812_driver);
1511
1512MODULE_AUTHOR("Comedi http://www.comedi.org");
1513MODULE_DESCRIPTION("Comedi low-level driver");
1514MODULE_LICENSE("GPL");
1515
