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110#include <linux/interrupt.h>
111#include "../comedidev.h"
112
113#include <linux/delay.h>
114#include <linux/ioport.h>
115#include <asm/dma.h>
116
117#include "8253.h"
118
119#undef PCL812_EXTDEBUG
120
121
122#define boardPCL812PG 0
123#define boardPCL813B 1
124#define boardPCL812 2
125#define boardPCL813 3
126#define boardISO813 5
127#define boardACL8113 6
128#define boardACL8112 7
129#define boardACL8216 8
130#define boardA821 9
131
132#define PCLx1x_IORANGE 16
133
134#define PCL812_CTR0 0
135#define PCL812_CTR1 1
136#define PCL812_CTR2 2
137#define PCL812_CTRCTL 3
138#define PCL812_AD_LO 4
139#define PCL812_DA1_LO 4
140#define PCL812_AD_HI 5
141#define PCL812_DA1_HI 5
142#define PCL812_DA2_LO 6
143#define PCL812_DI_LO 6
144#define PCL812_DA2_HI 7
145#define PCL812_DI_HI 7
146#define PCL812_CLRINT 8
147#define PCL812_GAIN 9
148#define PCL812_MUX 10
149#define PCL812_MODE 11
150#define PCL812_CNTENABLE 10
151#define PCL812_SOFTTRIG 12
152#define PCL812_DO_LO 13
153#define PCL812_DO_HI 14
154
155#define PCL812_DRDY 0x10
156
157#define ACL8216_STATUS 8
158
159#define ACL8216_DRDY 0x20
160
161#define MAX_CHANLIST_LEN 256
162
163static const struct comedi_lrange range_pcl812pg_ai = { 5, {
164 BIP_RANGE(5),
165 BIP_RANGE(2.5),
166 BIP_RANGE(1.25),
167 BIP_RANGE(0.625),
168 BIP_RANGE(0.3125),
169 }
170};
171
172static const struct comedi_lrange range_pcl812pg2_ai = { 5, {
173 BIP_RANGE(10),
174 BIP_RANGE(5),
175 BIP_RANGE(2.5),
176 BIP_RANGE(1.25),
177 BIP_RANGE(0.625),
178 }
179};
180
181static const struct comedi_lrange range812_bipolar1_25 = { 1, {
182 BIP_RANGE(1.25),
183 }
184};
185
186static const struct comedi_lrange range812_bipolar0_625 = { 1, {
187 BIP_RANGE
188 (0.625),
189 }
190};
191
192static const struct comedi_lrange range812_bipolar0_3125 = { 1, {
193 BIP_RANGE
194 (0.3125),
195 }
196};
197
198static const struct comedi_lrange range_pcl813b_ai = { 4, {
199 BIP_RANGE(5),
200 BIP_RANGE(2.5),
201 BIP_RANGE(1.25),
202 BIP_RANGE(0.625),
203 }
204};
205
206static const struct comedi_lrange range_pcl813b2_ai = { 4, {
207 UNI_RANGE(10),
208 UNI_RANGE(5),
209 UNI_RANGE(2.5),
210 UNI_RANGE(1.25),
211 }
212};
213
214static const struct comedi_lrange range_iso813_1_ai = { 5, {
215 BIP_RANGE(5),
216 BIP_RANGE(2.5),
217 BIP_RANGE(1.25),
218 BIP_RANGE(0.625),
219 BIP_RANGE(0.3125),
220 }
221};
222
223static const struct comedi_lrange range_iso813_1_2_ai = { 5, {
224 UNI_RANGE(10),
225 UNI_RANGE(5),
226 UNI_RANGE(2.5),
227 UNI_RANGE(1.25),
228 UNI_RANGE(0.625),
229 }
230};
231
232static const struct comedi_lrange range_iso813_2_ai = { 4, {
233 BIP_RANGE(5),
234 BIP_RANGE(2.5),
235 BIP_RANGE(1.25),
236 BIP_RANGE(0.625),
237 }
238};
239
240static const struct comedi_lrange range_iso813_2_2_ai = { 4, {
241 UNI_RANGE(10),
242 UNI_RANGE(5),
243 UNI_RANGE(2.5),
244 UNI_RANGE(1.25),
245 }
246};
247
248static const struct comedi_lrange range_acl8113_1_ai = { 4, {
249 BIP_RANGE(5),
250 BIP_RANGE(2.5),
251 BIP_RANGE(1.25),
252 BIP_RANGE(0.625),
253 }
254};
255
256static const struct comedi_lrange range_acl8113_1_2_ai = { 4, {
257 UNI_RANGE(10),
258 UNI_RANGE(5),
259 UNI_RANGE(2.5),
260 UNI_RANGE(1.25),
261 }
262};
263
264static const struct comedi_lrange range_acl8113_2_ai = { 3, {
265 BIP_RANGE(5),
266 BIP_RANGE(2.5),
267 BIP_RANGE(1.25),
268 }
269};
270
271static const struct comedi_lrange range_acl8113_2_2_ai = { 3, {
272 UNI_RANGE(10),
273 UNI_RANGE(5),
274 UNI_RANGE(2.5),
275 }
276};
277
278static const struct comedi_lrange range_acl8112dg_ai = { 9, {
279 BIP_RANGE(5),
280 BIP_RANGE(2.5),
281 BIP_RANGE(1.25),
282 BIP_RANGE(0.625),
283 UNI_RANGE(10),
284 UNI_RANGE(5),
285 UNI_RANGE(2.5),
286 UNI_RANGE(1.25),
287 BIP_RANGE(10),
288 }
289};
290
291static const struct comedi_lrange range_acl8112hg_ai = { 12, {
292 BIP_RANGE(5),
293 BIP_RANGE(0.5),
294 BIP_RANGE(0.05),
295 BIP_RANGE(0.005),
296 UNI_RANGE(10),
297 UNI_RANGE(1),
298 UNI_RANGE(0.1),
299 UNI_RANGE(0.01),
300 BIP_RANGE(10),
301 BIP_RANGE(1),
302 BIP_RANGE(0.1),
303 BIP_RANGE(0.01),
304 }
305};
306
307static const struct comedi_lrange range_a821pgh_ai = { 4, {
308 BIP_RANGE(5),
309 BIP_RANGE(0.5),
310 BIP_RANGE(0.05),
311 BIP_RANGE(0.005),
312 }
313};
314
315static int pcl812_attach(struct comedi_device *dev,
316 struct comedi_devconfig *it);
317static int pcl812_detach(struct comedi_device *dev);
318
319struct pcl812_board {
320
321 const char *name;
322 int board_type;
323 int n_aichan;
324 int n_aichan_diff;
325 int n_aochan;
326 int n_dichan;
327 int n_dochan;
328 int ai_maxdata;
329 unsigned int ai_ns_min;
330 unsigned int i8254_osc_base;
331 const struct comedi_lrange *rangelist_ai;
332 const struct comedi_lrange *rangelist_ao;
333 unsigned int IRQbits;
334 unsigned char DMAbits;
335 unsigned char io_range;
336 unsigned char haveMPC508;
337};
338
339static const struct pcl812_board boardtypes[] = {
340 {"pcl812", boardPCL812, 16, 0, 2, 16, 16, 0x0fff,
341 33000, 500, &range_bipolar10, &range_unipolar5,
342 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
343 {"pcl812pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
344 33000, 500, &range_pcl812pg_ai, &range_unipolar5,
345 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
346 {"acl8112pg", boardPCL812PG, 16, 0, 2, 16, 16, 0x0fff,
347 10000, 500, &range_pcl812pg_ai, &range_unipolar5,
348 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
349 {"acl8112dg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
350 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
351 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
352 {"acl8112hg", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
353 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
354 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
355 {"a821pgl", boardA821, 16, 8, 1, 16, 16, 0x0fff,
356 10000, 500, &range_pcl813b_ai, &range_unipolar5,
357 0x000c, 0x00, PCLx1x_IORANGE, 0},
358 {"a821pglnda", boardA821, 16, 8, 0, 0, 0, 0x0fff,
359 10000, 500, &range_pcl813b_ai, NULL,
360 0x000c, 0x00, PCLx1x_IORANGE, 0},
361 {"a821pgh", boardA821, 16, 8, 1, 16, 16, 0x0fff,
362 10000, 500, &range_a821pgh_ai, &range_unipolar5,
363 0x000c, 0x00, PCLx1x_IORANGE, 0},
364 {"a822pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
365 10000, 500, &range_acl8112dg_ai, &range_unipolar5,
366 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
367 {"a822pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
368 10000, 500, &range_acl8112hg_ai, &range_unipolar5,
369 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
370 {"a823pgl", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
371 8000, 500, &range_acl8112dg_ai, &range_unipolar5,
372 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
373 {"a823pgh", boardACL8112, 16, 8, 2, 16, 16, 0x0fff,
374 8000, 500, &range_acl8112hg_ai, &range_unipolar5,
375 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
376 {"pcl813", boardPCL813, 32, 0, 0, 0, 0, 0x0fff,
377 0, 0, &range_pcl813b_ai, NULL,
378 0x0000, 0x00, PCLx1x_IORANGE, 0},
379 {"pcl813b", boardPCL813B, 32, 0, 0, 0, 0, 0x0fff,
380 0, 0, &range_pcl813b_ai, NULL,
381 0x0000, 0x00, PCLx1x_IORANGE, 0},
382 {"acl8113", boardACL8113, 32, 0, 0, 0, 0, 0x0fff,
383 0, 0, &range_acl8113_1_ai, NULL,
384 0x0000, 0x00, PCLx1x_IORANGE, 0},
385 {"iso813", boardISO813, 32, 0, 0, 0, 0, 0x0fff,
386 0, 0, &range_iso813_1_ai, NULL,
387 0x0000, 0x00, PCLx1x_IORANGE, 0},
388 {"acl8216", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
389 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
390 0xdcfc, 0x0a, PCLx1x_IORANGE, 1},
391 {"a826pg", boardACL8216, 16, 8, 2, 16, 16, 0xffff,
392 10000, 500, &range_pcl813b2_ai, &range_unipolar5,
393 0xdcfc, 0x0a, PCLx1x_IORANGE, 0},
394};
395
396#define n_boardtypes (sizeof(boardtypes)/sizeof(struct pcl812_board))
397#define this_board ((const struct pcl812_board *)dev->board_ptr)
398
399static struct comedi_driver driver_pcl812 = {
400 .driver_name = "pcl812",
401 .module = THIS_MODULE,
402 .attach = pcl812_attach,
403 .detach = pcl812_detach,
404 .board_name = &boardtypes[0].name,
405 .num_names = n_boardtypes,
406 .offset = sizeof(struct pcl812_board),
407};
408
409COMEDI_INITCLEANUP(driver_pcl812);
410
411struct pcl812_private {
412
413 unsigned char valid;
414 unsigned char dma;
415 unsigned char use_diff;
416 unsigned char use_MPC;
417 unsigned char use_ext_trg;
418 unsigned char range_correction;
419 unsigned char old_chan_reg;
420 unsigned char old_gain_reg;
421 unsigned char mode_reg_int;
422 unsigned char ai_neverending;
423 unsigned char ai_eos;
424 unsigned char ai_dma;
425 unsigned int ai_poll_ptr;
426 unsigned int ai_scans;
427 unsigned int ai_act_scan;
428 unsigned int ai_chanlist[MAX_CHANLIST_LEN];
429 unsigned int ai_n_chan;
430 unsigned int ai_flags;
431 unsigned int ai_data_len;
432 short *ai_data;
433 unsigned int ai_is16b;
434 unsigned long dmabuf[2];
435 unsigned int dmapages[2];
436 unsigned int hwdmaptr[2];
437 unsigned int hwdmasize[2];
438 unsigned int dmabytestomove[2];
439 int next_dma_buf;
440 unsigned int dma_runs_to_end;
441 unsigned int last_dma_run;
442 unsigned int max_812_ai_mode0_rangewait;
443 unsigned int ao_readback[2];
444};
445
446#define devpriv ((struct pcl812_private *)dev->private)
447
448
449
450
451static void start_pacer(struct comedi_device *dev, int mode,
452 unsigned int divisor1, unsigned int divisor2);
453static void setup_range_channel(struct comedi_device *dev,
454 struct comedi_subdevice *s,
455 unsigned int rangechan, char wait);
456static int pcl812_ai_cancel(struct comedi_device *dev,
457 struct comedi_subdevice *s);
458
459
460
461static int pcl812_ai_insn_read(struct comedi_device *dev,
462 struct comedi_subdevice *s,
463 struct comedi_insn *insn, unsigned int *data)
464{
465 int n;
466 int timeout, hi;
467
468 outb(devpriv->mode_reg_int | 1, dev->iobase + PCL812_MODE);
469 setup_range_channel(dev, s, insn->chanspec, 1);
470 for (n = 0; n < insn->n; n++) {
471 outb(255, dev->iobase + PCL812_SOFTTRIG);
472 udelay(5);
473 timeout = 50;
474 while (timeout--) {
475 hi = inb(dev->iobase + PCL812_AD_HI);
476 if (!(hi & PCL812_DRDY))
477 goto conv_finish;
478 udelay(1);
479 }
480 printk
481 ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
482 dev->minor, dev->board_name, dev->iobase);
483 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
484 return -ETIME;
485
486conv_finish:
487 data[n] = ((hi & 0xf) << 8) | inb(dev->iobase + PCL812_AD_LO);
488 }
489 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
490 return n;
491}
492
493
494
495
496static int acl8216_ai_insn_read(struct comedi_device *dev,
497 struct comedi_subdevice *s,
498 struct comedi_insn *insn, unsigned int *data)
499{
500 int n;
501 int timeout;
502
503 outb(1, dev->iobase + PCL812_MODE);
504 setup_range_channel(dev, s, insn->chanspec, 1);
505 for (n = 0; n < insn->n; n++) {
506 outb(255, dev->iobase + PCL812_SOFTTRIG);
507 udelay(5);
508 timeout = 50;
509 while (timeout--) {
510 if (!(inb(dev->iobase + ACL8216_STATUS) & ACL8216_DRDY))
511 goto conv_finish;
512 udelay(1);
513 }
514 printk
515 ("comedi%d: pcl812: (%s at 0x%lx) A/D insn read timeout\n",
516 dev->minor, dev->board_name, dev->iobase);
517 outb(0, dev->iobase + PCL812_MODE);
518 return -ETIME;
519
520conv_finish:
521 data[n] =
522 (inb(dev->iobase +
523 PCL812_AD_HI) << 8) | inb(dev->iobase + PCL812_AD_LO);
524 }
525 outb(0, dev->iobase + PCL812_MODE);
526 return n;
527}
528
529
530
531
532static int pcl812_ao_insn_write(struct comedi_device *dev,
533 struct comedi_subdevice *s,
534 struct comedi_insn *insn, unsigned int *data)
535{
536 int chan = CR_CHAN(insn->chanspec);
537 int i;
538
539 for (i = 0; i < insn->n; i++) {
540 outb((data[i] & 0xff),
541 dev->iobase + (chan ? PCL812_DA2_LO : PCL812_DA1_LO));
542 outb((data[i] >> 8) & 0x0f,
543 dev->iobase + (chan ? PCL812_DA2_HI : PCL812_DA1_HI));
544 devpriv->ao_readback[chan] = data[i];
545 }
546
547 return i;
548}
549
550
551
552
553static int pcl812_ao_insn_read(struct comedi_device *dev,
554 struct comedi_subdevice *s,
555 struct comedi_insn *insn, unsigned int *data)
556{
557 int chan = CR_CHAN(insn->chanspec);
558 int i;
559
560 for (i = 0; i < insn->n; i++) {
561 data[i] = devpriv->ao_readback[chan];
562 }
563
564 return i;
565}
566
567
568
569
570static int pcl812_di_insn_bits(struct comedi_device *dev,
571 struct comedi_subdevice *s,
572 struct comedi_insn *insn, unsigned int *data)
573{
574 if (insn->n != 2)
575 return -EINVAL;
576
577 data[1] = inb(dev->iobase + PCL812_DI_LO);
578 data[1] |= inb(dev->iobase + PCL812_DI_HI) << 8;
579
580 return 2;
581}
582
583
584
585
586static int pcl812_do_insn_bits(struct comedi_device *dev,
587 struct comedi_subdevice *s,
588 struct comedi_insn *insn, unsigned int *data)
589{
590 if (insn->n != 2)
591 return -EINVAL;
592
593 if (data[0]) {
594 s->state &= ~data[0];
595 s->state |= data[0] & data[1];
596 outb(s->state & 0xff, dev->iobase + PCL812_DO_LO);
597 outb((s->state >> 8), dev->iobase + PCL812_DO_HI);
598 }
599 data[1] = s->state;
600
601 return 2;
602}
603
604#ifdef PCL812_EXTDEBUG
605
606
607
608static void pcl812_cmdtest_out(int e, struct comedi_cmd *cmd)
609{
610 printk("pcl812 e=%d startsrc=%x scansrc=%x convsrc=%x\n", e,
611 cmd->start_src, cmd->scan_begin_src, cmd->convert_src);
612 printk("pcl812 e=%d startarg=%d scanarg=%d convarg=%d\n", e,
613 cmd->start_arg, cmd->scan_begin_arg, cmd->convert_arg);
614 printk("pcl812 e=%d stopsrc=%x scanend=%x\n", e, cmd->stop_src,
615 cmd->scan_end_src);
616 printk("pcl812 e=%d stoparg=%d scanendarg=%d chanlistlen=%d\n", e,
617 cmd->stop_arg, cmd->scan_end_arg, cmd->chanlist_len);
618}
619#endif
620
621
622
623
624static int pcl812_ai_cmdtest(struct comedi_device *dev,
625 struct comedi_subdevice *s, struct comedi_cmd *cmd)
626{
627 int err = 0;
628 int tmp, divisor1, divisor2;
629
630#ifdef PCL812_EXTDEBUG
631 printk("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...)\n");
632 pcl812_cmdtest_out(-1, cmd);
633#endif
634
635
636 tmp = cmd->start_src;
637 cmd->start_src &= TRIG_NOW;
638 if (!cmd->start_src || tmp != cmd->start_src)
639 err++;
640
641 tmp = cmd->scan_begin_src;
642 cmd->scan_begin_src &= TRIG_FOLLOW;
643 if (!cmd->scan_begin_src || tmp != cmd->scan_begin_src)
644 err++;
645
646 tmp = cmd->convert_src;
647 if (devpriv->use_ext_trg) {
648 cmd->convert_src &= TRIG_EXT;
649 } else {
650 cmd->convert_src &= TRIG_TIMER;
651 }
652 if (!cmd->convert_src || tmp != cmd->convert_src)
653 err++;
654
655 tmp = cmd->scan_end_src;
656 cmd->scan_end_src &= TRIG_COUNT;
657 if (!cmd->scan_end_src || tmp != cmd->scan_end_src)
658 err++;
659
660 tmp = cmd->stop_src;
661 cmd->stop_src &= TRIG_COUNT | TRIG_NONE;
662 if (!cmd->stop_src || tmp != cmd->stop_src)
663 err++;
664
665 if (err) {
666#ifdef PCL812_EXTDEBUG
667 pcl812_cmdtest_out(1, cmd);
668 printk
669 ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=1\n",
670 err);
671#endif
672 return 1;
673 }
674
675
676
677 if (cmd->start_src != TRIG_NOW) {
678 cmd->start_src = TRIG_NOW;
679 err++;
680 }
681
682 if (cmd->scan_begin_src != TRIG_FOLLOW) {
683 cmd->scan_begin_src = TRIG_FOLLOW;
684 err++;
685 }
686
687 if (devpriv->use_ext_trg) {
688 if (cmd->convert_src != TRIG_EXT) {
689 cmd->convert_src = TRIG_EXT;
690 err++;
691 }
692 } else {
693 if (cmd->convert_src != TRIG_TIMER) {
694 cmd->convert_src = TRIG_TIMER;
695 err++;
696 }
697 }
698
699 if (cmd->scan_end_src != TRIG_COUNT) {
700 cmd->scan_end_src = TRIG_COUNT;
701 err++;
702 }
703
704 if (cmd->stop_src != TRIG_NONE && cmd->stop_src != TRIG_COUNT)
705 err++;
706
707 if (err) {
708#ifdef PCL812_EXTDEBUG
709 pcl812_cmdtest_out(2, cmd);
710 printk
711 ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=2\n",
712 err);
713#endif
714 return 2;
715 }
716
717
718
719 if (cmd->start_arg != 0) {
720 cmd->start_arg = 0;
721 err++;
722 }
723
724 if (cmd->scan_begin_arg != 0) {
725 cmd->scan_begin_arg = 0;
726 err++;
727 }
728
729 if (cmd->convert_src == TRIG_TIMER) {
730 if (cmd->convert_arg < this_board->ai_ns_min) {
731 cmd->convert_arg = this_board->ai_ns_min;
732 err++;
733 }
734 } else {
735 if (cmd->convert_arg != 0) {
736 cmd->convert_arg = 0;
737 err++;
738 }
739 }
740
741 if (!cmd->chanlist_len) {
742 cmd->chanlist_len = 1;
743 err++;
744 }
745 if (cmd->chanlist_len > MAX_CHANLIST_LEN) {
746 cmd->chanlist_len = this_board->n_aichan;
747 err++;
748 }
749 if (cmd->scan_end_arg != cmd->chanlist_len) {
750 cmd->scan_end_arg = cmd->chanlist_len;
751 err++;
752 }
753 if (cmd->stop_src == TRIG_COUNT) {
754 if (!cmd->stop_arg) {
755 cmd->stop_arg = 1;
756 err++;
757 }
758 } else {
759 if (cmd->stop_arg != 0) {
760 cmd->stop_arg = 0;
761 err++;
762 }
763 }
764
765 if (err) {
766#ifdef PCL812_EXTDEBUG
767 pcl812_cmdtest_out(3, cmd);
768 printk
769 ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=3\n",
770 err);
771#endif
772 return 3;
773 }
774
775
776
777 if (cmd->convert_src == TRIG_TIMER) {
778 tmp = cmd->convert_arg;
779 i8253_cascade_ns_to_timer(this_board->i8254_osc_base, &divisor1,
780 &divisor2, &cmd->convert_arg,
781 cmd->flags & TRIG_ROUND_MASK);
782 if (cmd->convert_arg < this_board->ai_ns_min)
783 cmd->convert_arg = this_board->ai_ns_min;
784 if (tmp != cmd->convert_arg)
785 err++;
786 }
787
788 if (err) {
789#ifdef PCL812_EXTDEBUG
790 printk
791 ("pcl812 EDBG: BGN: pcl812_ai_cmdtest(...) err=%d ret=4\n",
792 err);
793#endif
794 return 4;
795 }
796
797 return 0;
798}
799
800
801
802
803static int pcl812_ai_cmd(struct comedi_device *dev, struct comedi_subdevice *s)
804{
805 unsigned int divisor1 = 0, divisor2 = 0, i, dma_flags, bytes;
806 struct comedi_cmd *cmd = &s->async->cmd;
807
808#ifdef PCL812_EXTDEBUG
809 printk("pcl812 EDBG: BGN: pcl812_ai_cmd(...)\n");
810#endif
811
812 if (cmd->start_src != TRIG_NOW)
813 return -EINVAL;
814 if (cmd->scan_begin_src != TRIG_FOLLOW)
815 return -EINVAL;
816 if (devpriv->use_ext_trg) {
817 if (cmd->convert_src != TRIG_EXT)
818 return -EINVAL;
819 } else {
820 if (cmd->convert_src != TRIG_TIMER)
821 return -EINVAL;
822 }
823 if (cmd->scan_end_src != TRIG_COUNT)
824 return -EINVAL;
825 if (cmd->scan_end_arg != cmd->chanlist_len)
826 return -EINVAL;
827 if (cmd->chanlist_len > MAX_CHANLIST_LEN)
828 return -EINVAL;
829
830 if (cmd->convert_src == TRIG_TIMER) {
831 if (cmd->convert_arg < this_board->ai_ns_min)
832 cmd->convert_arg = this_board->ai_ns_min;
833 i8253_cascade_ns_to_timer(this_board->i8254_osc_base,
834 &divisor1, &divisor2,
835 &cmd->convert_arg,
836 cmd->flags & TRIG_ROUND_MASK);
837 }
838
839 start_pacer(dev, -1, 0, 0);
840
841 devpriv->ai_n_chan = cmd->chanlist_len;
842 memcpy(devpriv->ai_chanlist, cmd->chanlist,
843 sizeof(unsigned int) * cmd->scan_end_arg);
844 setup_range_channel(dev, s, devpriv->ai_chanlist[0], 1);
845
846 if (devpriv->dma) {
847 devpriv->ai_dma = 1;
848 for (i = 1; i < devpriv->ai_n_chan; i++)
849 if (devpriv->ai_chanlist[0] != devpriv->ai_chanlist[i]) {
850 devpriv->ai_dma = 0;
851 break;
852 }
853 } else
854 devpriv->ai_dma = 0;
855
856 devpriv->ai_flags = cmd->flags;
857 devpriv->ai_data_len = s->async->prealloc_bufsz;
858 devpriv->ai_data = s->async->prealloc_buf;
859 if (cmd->stop_src == TRIG_COUNT) {
860 devpriv->ai_scans = cmd->stop_arg;
861 devpriv->ai_neverending = 0;
862 } else {
863 devpriv->ai_scans = 0;
864 devpriv->ai_neverending = 1;
865 }
866
867 devpriv->ai_act_scan = 0;
868 devpriv->ai_poll_ptr = 0;
869 s->async->cur_chan = 0;
870
871 if ((devpriv->ai_flags & TRIG_WAKE_EOS)) {
872 devpriv->ai_eos = 1;
873 if (devpriv->ai_n_chan == 1)
874 devpriv->ai_dma = 0;
875 }
876
877 if (devpriv->ai_dma) {
878 if (devpriv->ai_eos) {
879 devpriv->dmabytestomove[0] =
880 devpriv->ai_n_chan * sizeof(short);
881 devpriv->dmabytestomove[1] =
882 devpriv->ai_n_chan * sizeof(short);
883 devpriv->dma_runs_to_end = 1;
884 } else {
885 devpriv->dmabytestomove[0] = devpriv->hwdmasize[0];
886 devpriv->dmabytestomove[1] = devpriv->hwdmasize[1];
887 if (devpriv->ai_data_len < devpriv->hwdmasize[0])
888 devpriv->dmabytestomove[0] =
889 devpriv->ai_data_len;
890 if (devpriv->ai_data_len < devpriv->hwdmasize[1])
891 devpriv->dmabytestomove[1] =
892 devpriv->ai_data_len;
893 if (devpriv->ai_neverending) {
894 devpriv->dma_runs_to_end = 1;
895 } else {
896 bytes = devpriv->ai_n_chan * devpriv->ai_scans * sizeof(short);
897 devpriv->dma_runs_to_end = bytes / devpriv->dmabytestomove[0];
898 devpriv->last_dma_run = bytes % devpriv->dmabytestomove[0];
899 if (devpriv->dma_runs_to_end == 0)
900 devpriv->dmabytestomove[0] =
901 devpriv->last_dma_run;
902 devpriv->dma_runs_to_end--;
903 }
904 }
905 if (devpriv->dmabytestomove[0] > devpriv->hwdmasize[0]) {
906 devpriv->dmabytestomove[0] = devpriv->hwdmasize[0];
907 devpriv->ai_eos = 0;
908 }
909 if (devpriv->dmabytestomove[1] > devpriv->hwdmasize[1]) {
910 devpriv->dmabytestomove[1] = devpriv->hwdmasize[1];
911 devpriv->ai_eos = 0;
912 }
913 devpriv->next_dma_buf = 0;
914 set_dma_mode(devpriv->dma, DMA_MODE_READ);
915 dma_flags = claim_dma_lock();
916 clear_dma_ff(devpriv->dma);
917 set_dma_addr(devpriv->dma, devpriv->hwdmaptr[0]);
918 set_dma_count(devpriv->dma, devpriv->dmabytestomove[0]);
919 release_dma_lock(dma_flags);
920 enable_dma(devpriv->dma);
921#ifdef PCL812_EXTDEBUG
922 printk
923 ("pcl812 EDBG: DMA %d PTR 0x%0x/0x%0x LEN %u/%u EOS %d\n",
924 devpriv->dma, devpriv->hwdmaptr[0],
925 devpriv->hwdmaptr[1], devpriv->dmabytestomove[0],
926 devpriv->dmabytestomove[1], devpriv->ai_eos);
927#endif
928 }
929
930 switch (cmd->convert_src) {
931 case TRIG_TIMER:
932 start_pacer(dev, 1, divisor1, divisor2);
933 break;
934 }
935
936 if (devpriv->ai_dma) {
937 outb(devpriv->mode_reg_int | 2, dev->iobase + PCL812_MODE);
938 } else {
939 outb(devpriv->mode_reg_int | 6, dev->iobase + PCL812_MODE);
940 }
941
942#ifdef PCL812_EXTDEBUG
943 printk("pcl812 EDBG: END: pcl812_ai_cmd(...)\n");
944#endif
945
946 return 0;
947}
948
949
950
951
952static irqreturn_t interrupt_pcl812_ai_int(int irq, void *d)
953{
954 char err = 1;
955 unsigned int mask, timeout;
956 struct comedi_device *dev = d;
957 struct comedi_subdevice *s = dev->subdevices + 0;
958
959 s->async->events = 0;
960
961 timeout = 50;
962 if (devpriv->ai_is16b) {
963 mask = 0xffff;
964 while (timeout--) {
965 if (!(inb(dev->iobase + ACL8216_STATUS) & ACL8216_DRDY)) {
966 err = 0;
967 break;
968 }
969 udelay(1);
970 }
971 } else {
972 mask = 0x0fff;
973 while (timeout--) {
974 if (!(inb(dev->iobase + PCL812_AD_HI) & PCL812_DRDY)) {
975 err = 0;
976 break;
977 }
978 udelay(1);
979 }
980 }
981
982 if (err) {
983 printk
984 ("comedi%d: pcl812: (%s at 0x%lx) A/D cmd IRQ without DRDY!\n",
985 dev->minor, dev->board_name, dev->iobase);
986 pcl812_ai_cancel(dev, s);
987 s->async->events |= COMEDI_CB_EOA | COMEDI_CB_ERROR;
988 comedi_event(dev, s);
989 return IRQ_HANDLED;
990 }
991
992 comedi_buf_put(s->async,
993 ((inb(dev->iobase + PCL812_AD_HI) << 8) |
994 inb(dev->iobase + PCL812_AD_LO)) & mask);
995
996 outb(0, dev->iobase + PCL812_CLRINT);
997
998 if (s->async->cur_chan == 0) {
999 devpriv->ai_act_scan++;
1000 if (!(devpriv->ai_neverending))
1001 if (devpriv->ai_act_scan >= devpriv->ai_scans) {
1002 pcl812_ai_cancel(dev, s);
1003 s->async->events |= COMEDI_CB_EOA;
1004 }
1005 }
1006
1007 comedi_event(dev, s);
1008 return IRQ_HANDLED;
1009}
1010
1011
1012
1013
1014static void transfer_from_dma_buf(struct comedi_device *dev,
1015 struct comedi_subdevice *s, short *ptr,
1016 unsigned int bufptr, unsigned int len)
1017{
1018 unsigned int i;
1019
1020 s->async->events = 0;
1021 for (i = len; i; i--) {
1022 comedi_buf_put(s->async, ptr[bufptr++]);
1023
1024 if (s->async->cur_chan == 0) {
1025 devpriv->ai_act_scan++;
1026 if (!devpriv->ai_neverending)
1027 if (devpriv->ai_act_scan >= devpriv->ai_scans) {
1028 pcl812_ai_cancel(dev, s);
1029 s->async->events |= COMEDI_CB_EOA;
1030 break;
1031 }
1032 }
1033 }
1034
1035 comedi_event(dev, s);
1036}
1037
1038
1039
1040
1041static irqreturn_t interrupt_pcl812_ai_dma(int irq, void *d)
1042{
1043 struct comedi_device *dev = d;
1044 struct comedi_subdevice *s = dev->subdevices + 0;
1045 unsigned long dma_flags;
1046 int len, bufptr;
1047 short *ptr;
1048
1049#ifdef PCL812_EXTDEBUG
1050 printk("pcl812 EDBG: BGN: interrupt_pcl812_ai_dma(...)\n");
1051#endif
1052 ptr = (short *)devpriv->dmabuf[devpriv->next_dma_buf];
1053 len = (devpriv->dmabytestomove[devpriv->next_dma_buf] >> 1) -
1054 devpriv->ai_poll_ptr;
1055
1056 devpriv->next_dma_buf = 1 - devpriv->next_dma_buf;
1057 disable_dma(devpriv->dma);
1058 set_dma_mode(devpriv->dma, DMA_MODE_READ);
1059 dma_flags = claim_dma_lock();
1060 set_dma_addr(devpriv->dma, devpriv->hwdmaptr[devpriv->next_dma_buf]);
1061 if (devpriv->ai_eos) {
1062 set_dma_count(devpriv->dma,
1063 devpriv->dmabytestomove[devpriv->next_dma_buf]);
1064 } else {
1065 if (devpriv->dma_runs_to_end) {
1066 set_dma_count(devpriv->dma,
1067 devpriv->dmabytestomove[devpriv->
1068 next_dma_buf]);
1069 } else {
1070 set_dma_count(devpriv->dma, devpriv->last_dma_run);
1071 }
1072 devpriv->dma_runs_to_end--;
1073 }
1074 release_dma_lock(dma_flags);
1075 enable_dma(devpriv->dma);
1076
1077 outb(0, dev->iobase + PCL812_CLRINT);
1078
1079 bufptr = devpriv->ai_poll_ptr;
1080 devpriv->ai_poll_ptr = 0;
1081
1082 transfer_from_dma_buf(dev, s, ptr, bufptr, len);
1083
1084#ifdef PCL812_EXTDEBUG
1085 printk("pcl812 EDBG: END: interrupt_pcl812_ai_dma(...)\n");
1086#endif
1087 return IRQ_HANDLED;
1088}
1089
1090
1091
1092
1093static irqreturn_t interrupt_pcl812(int irq, void *d)
1094{
1095 struct comedi_device *dev = d;
1096
1097 if (!dev->attached) {
1098 comedi_error(dev, "spurious interrupt");
1099 return IRQ_HANDLED;
1100 }
1101 if (devpriv->ai_dma) {
1102 return interrupt_pcl812_ai_dma(irq, d);
1103 } else {
1104 return interrupt_pcl812_ai_int(irq, d);
1105 };
1106}
1107
1108
1109
1110
1111static int pcl812_ai_poll(struct comedi_device *dev, struct comedi_subdevice *s)
1112{
1113 unsigned long flags;
1114 unsigned int top1, top2, i;
1115
1116 if (!devpriv->ai_dma)
1117 return 0;
1118
1119 spin_lock_irqsave(&dev->spinlock, flags);
1120
1121 for (i = 0; i < 10; i++) {
1122 top1 = get_dma_residue(devpriv->ai_dma);
1123 top2 = get_dma_residue(devpriv->ai_dma);
1124 if (top1 == top2)
1125 break;
1126 }
1127
1128 if (top1 != top2) {
1129 spin_unlock_irqrestore(&dev->spinlock, flags);
1130 return 0;
1131 }
1132
1133 top1 = devpriv->dmabytestomove[1 - devpriv->next_dma_buf] - top1;
1134 top1 >>= 1;
1135 top2 = top1 - devpriv->ai_poll_ptr;
1136 if (top2 < 1) {
1137 spin_unlock_irqrestore(&dev->spinlock, flags);
1138 return 0;
1139 }
1140
1141 transfer_from_dma_buf(dev, s,
1142 (void *)devpriv->dmabuf[1 -
1143 devpriv->next_dma_buf],
1144 devpriv->ai_poll_ptr, top2);
1145
1146 devpriv->ai_poll_ptr = top1;
1147
1148 spin_unlock_irqrestore(&dev->spinlock, flags);
1149
1150 return s->async->buf_write_count - s->async->buf_read_count;
1151}
1152
1153
1154
1155
1156static void setup_range_channel(struct comedi_device *dev,
1157 struct comedi_subdevice *s,
1158 unsigned int rangechan, char wait)
1159{
1160 unsigned char chan_reg = CR_CHAN(rangechan);
1161 unsigned char gain_reg = CR_RANGE(rangechan) + devpriv->range_correction;
1162
1163 if ((chan_reg == devpriv->old_chan_reg)
1164 && (gain_reg == devpriv->old_gain_reg))
1165 return;
1166
1167 devpriv->old_chan_reg = chan_reg;
1168 devpriv->old_gain_reg = gain_reg;
1169
1170 if (devpriv->use_MPC) {
1171 if (devpriv->use_diff) {
1172 chan_reg = chan_reg | 0x30;
1173 } else {
1174 if (chan_reg & 0x80) {
1175 chan_reg = chan_reg | 0x20;
1176 } else {
1177 chan_reg = chan_reg | 0x10;
1178 }
1179 }
1180 }
1181
1182 outb(chan_reg, dev->iobase + PCL812_MUX);
1183 outb(gain_reg, dev->iobase + PCL812_GAIN);
1184
1185 if (wait) {
1186 udelay(devpriv->max_812_ai_mode0_rangewait);
1187 }
1188}
1189
1190
1191
1192
1193static void start_pacer(struct comedi_device *dev, int mode,
1194 unsigned int divisor1, unsigned int divisor2)
1195{
1196#ifdef PCL812_EXTDEBUG
1197 printk("pcl812 EDBG: BGN: start_pacer(%d,%u,%u)\n", mode, divisor1,
1198 divisor2);
1199#endif
1200 outb(0xb4, dev->iobase + PCL812_CTRCTL);
1201 outb(0x74, dev->iobase + PCL812_CTRCTL);
1202 udelay(1);
1203
1204 if (mode == 1) {
1205 outb(divisor2 & 0xff, dev->iobase + PCL812_CTR2);
1206 outb((divisor2 >> 8) & 0xff, dev->iobase + PCL812_CTR2);
1207 outb(divisor1 & 0xff, dev->iobase + PCL812_CTR1);
1208 outb((divisor1 >> 8) & 0xff, dev->iobase + PCL812_CTR1);
1209 }
1210#ifdef PCL812_EXTDEBUG
1211 printk("pcl812 EDBG: END: start_pacer(...)\n");
1212#endif
1213}
1214
1215
1216
1217
1218static void free_resources(struct comedi_device *dev)
1219{
1220
1221 if (dev->private) {
1222 if (devpriv->dmabuf[0])
1223 free_pages(devpriv->dmabuf[0], devpriv->dmapages[0]);
1224 if (devpriv->dmabuf[1])
1225 free_pages(devpriv->dmabuf[1], devpriv->dmapages[1]);
1226 if (devpriv->dma)
1227 free_dma(devpriv->dma);
1228 }
1229 if (dev->irq)
1230 free_irq(dev->irq, dev);
1231 if (dev->iobase)
1232 release_region(dev->iobase, this_board->io_range);
1233}
1234
1235
1236
1237
1238static int pcl812_ai_cancel(struct comedi_device *dev,
1239 struct comedi_subdevice *s)
1240{
1241#ifdef PCL812_EXTDEBUG
1242 printk("pcl812 EDBG: BGN: pcl812_ai_cancel(...)\n");
1243#endif
1244 if (devpriv->ai_dma)
1245 disable_dma(devpriv->dma);
1246 outb(0, dev->iobase + PCL812_CLRINT);
1247 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
1248 start_pacer(dev, -1, 0, 0);
1249 outb(0, dev->iobase + PCL812_CLRINT);
1250#ifdef PCL812_EXTDEBUG
1251 printk("pcl812 EDBG: END: pcl812_ai_cancel(...)\n");
1252#endif
1253 return 0;
1254}
1255
1256
1257
1258
1259static void pcl812_reset(struct comedi_device *dev)
1260{
1261#ifdef PCL812_EXTDEBUG
1262 printk("pcl812 EDBG: BGN: pcl812_reset(...)\n");
1263#endif
1264 outb(0, dev->iobase + PCL812_MUX);
1265 outb(0 + devpriv->range_correction, dev->iobase + PCL812_GAIN);
1266 devpriv->old_chan_reg = -1;
1267 devpriv->old_gain_reg = -1;
1268
1269 switch (this_board->board_type) {
1270 case boardPCL812PG:
1271 case boardPCL812:
1272 case boardACL8112:
1273 case boardACL8216:
1274 outb(0, dev->iobase + PCL812_DA2_LO);
1275 outb(0, dev->iobase + PCL812_DA2_HI);
1276 case boardA821:
1277 outb(0, dev->iobase + PCL812_DA1_LO);
1278 outb(0, dev->iobase + PCL812_DA1_HI);
1279 start_pacer(dev, -1, 0, 0);
1280 outb(0, dev->iobase + PCL812_DO_HI);
1281 outb(0, dev->iobase + PCL812_DO_LO);
1282 outb(devpriv->mode_reg_int | 0, dev->iobase + PCL812_MODE);
1283 outb(0, dev->iobase + PCL812_CLRINT);
1284 break;
1285 case boardPCL813B:
1286 case boardPCL813:
1287 case boardISO813:
1288 case boardACL8113:
1289 udelay(5);
1290 break;
1291 }
1292 udelay(5);
1293#ifdef PCL812_EXTDEBUG
1294 printk("pcl812 EDBG: END: pcl812_reset(...)\n");
1295#endif
1296}
1297
1298
1299
1300
1301static int pcl812_attach(struct comedi_device *dev, struct comedi_devconfig *it)
1302{
1303 int ret, subdev;
1304 unsigned long iobase;
1305 unsigned int irq;
1306 unsigned int dma;
1307 unsigned long pages;
1308 struct comedi_subdevice *s;
1309 int n_subdevices;
1310
1311 iobase = it->options[0];
1312 printk("comedi%d: pcl812: board=%s, ioport=0x%03lx", dev->minor,
1313 this_board->name, iobase);
1314
1315 if (!request_region(iobase, this_board->io_range, "pcl812")) {
1316 printk("I/O port conflict\n");
1317 return -EIO;
1318 }
1319 dev->iobase = iobase;
1320
1321 ret = alloc_private(dev, sizeof(struct pcl812_private));
1322 if (ret < 0) {
1323 free_resources(dev);
1324 return ret;
1325 }
1326
1327 dev->board_name = this_board->name;
1328
1329 irq = 0;
1330 if (this_board->IRQbits != 0) {
1331 irq = it->options[1];
1332 if (irq) {
1333 if (((1 << irq) & this_board->IRQbits) == 0) {
1334 printk
1335 (", IRQ %u is out of allowed range, DISABLING IT",
1336 irq);
1337 irq = 0;
1338 } else {
1339 if (request_irq
1340 (irq, interrupt_pcl812, 0, "pcl812", dev)) {
1341 printk
1342 (", unable to allocate IRQ %u, DISABLING IT",
1343 irq);
1344 irq = 0;
1345 } else {
1346 printk(", irq=%u", irq);
1347 }
1348 }
1349 }
1350 }
1351
1352 dev->irq = irq;
1353
1354 dma = 0;
1355 devpriv->dma = dma;
1356 if (!dev->irq)
1357 goto no_dma;
1358 if (this_board->DMAbits != 0) {
1359 dma = it->options[2];
1360 if (((1 << dma) & this_board->DMAbits) == 0) {
1361 printk(", DMA is out of allowed range, FAIL!\n");
1362 return -EINVAL;
1363 }
1364 ret = request_dma(dma, "pcl812");
1365 if (ret) {
1366 printk(", unable to allocate DMA %u, FAIL!\n", dma);
1367 return -EBUSY;
1368 }
1369 devpriv->dma = dma;
1370 printk(", dma=%u", dma);
1371 pages = 1;
1372 devpriv->dmabuf[0] = __get_dma_pages(GFP_KERNEL, pages);
1373 if (!devpriv->dmabuf[0]) {
1374 printk(", unable to allocate DMA buffer, FAIL!\n");
1375
1376 free_resources(dev);
1377 return -EBUSY;
1378 }
1379 devpriv->dmapages[0] = pages;
1380 devpriv->hwdmaptr[0] = virt_to_bus((void *)devpriv->dmabuf[0]);
1381 devpriv->hwdmasize[0] = PAGE_SIZE * (1 << pages);
1382 devpriv->dmabuf[1] = __get_dma_pages(GFP_KERNEL, pages);
1383 if (!devpriv->dmabuf[1]) {
1384 printk(", unable to allocate DMA buffer, FAIL!\n");
1385 free_resources(dev);
1386 return -EBUSY;
1387 }
1388 devpriv->dmapages[1] = pages;
1389 devpriv->hwdmaptr[1] = virt_to_bus((void *)devpriv->dmabuf[1]);
1390 devpriv->hwdmasize[1] = PAGE_SIZE * (1 << pages);
1391 }
1392no_dma:
1393
1394 n_subdevices = 0;
1395 if (this_board->n_aichan > 0)
1396 n_subdevices++;
1397 if (this_board->n_aochan > 0)
1398 n_subdevices++;
1399 if (this_board->n_dichan > 0)
1400 n_subdevices++;
1401 if (this_board->n_dochan > 0)
1402 n_subdevices++;
1403
1404 ret = alloc_subdevices(dev, n_subdevices);
1405 if (ret < 0) {
1406 free_resources(dev);
1407 return ret;
1408 }
1409
1410 subdev = 0;
1411
1412
1413 if (this_board->n_aichan > 0) {
1414 s = dev->subdevices + subdev;
1415 s->type = COMEDI_SUBD_AI;
1416 s->subdev_flags = SDF_READABLE;
1417 switch (this_board->board_type) {
1418 case boardA821:
1419 if (it->options[2] == 1) {
1420 s->n_chan = this_board->n_aichan_diff;
1421 s->subdev_flags |= SDF_DIFF;
1422 devpriv->use_diff = 1;
1423 } else {
1424 s->n_chan = this_board->n_aichan;
1425 s->subdev_flags |= SDF_GROUND;
1426 }
1427 break;
1428 case boardACL8112:
1429 case boardACL8216:
1430 if (it->options[4] == 1) {
1431 s->n_chan = this_board->n_aichan_diff;
1432 s->subdev_flags |= SDF_DIFF;
1433 devpriv->use_diff = 1;
1434 } else {
1435 s->n_chan = this_board->n_aichan;
1436 s->subdev_flags |= SDF_GROUND;
1437 }
1438 break;
1439 default:
1440 s->n_chan = this_board->n_aichan;
1441 s->subdev_flags |= SDF_GROUND;
1442 break;
1443 }
1444 s->maxdata = this_board->ai_maxdata;
1445 s->len_chanlist = MAX_CHANLIST_LEN;
1446 s->range_table = this_board->rangelist_ai;
1447 if (this_board->board_type == boardACL8216) {
1448 s->insn_read = acl8216_ai_insn_read;
1449 } else {
1450 s->insn_read = pcl812_ai_insn_read;
1451 }
1452 devpriv->use_MPC = this_board->haveMPC508;
1453 s->cancel = pcl812_ai_cancel;
1454 if (dev->irq) {
1455 dev->read_subdev = s;
1456 s->subdev_flags |= SDF_CMD_READ;
1457 s->do_cmdtest = pcl812_ai_cmdtest;
1458 s->do_cmd = pcl812_ai_cmd;
1459 s->poll = pcl812_ai_poll;
1460 }
1461 switch (this_board->board_type) {
1462 case boardPCL812PG:
1463 if (it->options[4] == 1)
1464 s->range_table = &range_pcl812pg2_ai;
1465 break;
1466 case boardPCL812:
1467 switch (it->options[4]) {
1468 case 0:
1469 s->range_table = &range_bipolar10;
1470 break;
1471 case 1:
1472 s->range_table = &range_bipolar5;
1473 break;
1474 case 2:
1475 s->range_table = &range_bipolar2_5;
1476 break;
1477 case 3:
1478 s->range_table = &range812_bipolar1_25;
1479 break;
1480 case 4:
1481 s->range_table = &range812_bipolar0_625;
1482 break;
1483 case 5:
1484 s->range_table = &range812_bipolar0_3125;
1485 break;
1486 default:
1487 s->range_table = &range_bipolar10;
1488 break;
1489 printk
1490 (", incorrect range number %d, changing to 0 (+/-10V)",
1491 it->options[4]);
1492 break;
1493 }
1494 break;
1495 break;
1496 case boardPCL813B:
1497 if (it->options[1] == 1)
1498 s->range_table = &range_pcl813b2_ai;
1499 break;
1500 case boardISO813:
1501 switch (it->options[1]) {
1502 case 0:
1503 s->range_table = &range_iso813_1_ai;
1504 break;
1505 case 1:
1506 s->range_table = &range_iso813_1_2_ai;
1507 break;
1508 case 2:
1509 s->range_table = &range_iso813_2_ai;
1510 devpriv->range_correction = 1;
1511 break;
1512 case 3:
1513 s->range_table = &range_iso813_2_2_ai;
1514 devpriv->range_correction = 1;
1515 break;
1516 default:
1517 s->range_table = &range_iso813_1_ai;
1518 break;
1519 printk
1520 (", incorrect range number %d, changing to 0 ",
1521 it->options[1]);
1522 break;
1523 }
1524 break;
1525 case boardACL8113:
1526 switch (it->options[1]) {
1527 case 0:
1528 s->range_table = &range_acl8113_1_ai;
1529 break;
1530 case 1:
1531 s->range_table = &range_acl8113_1_2_ai;
1532 break;
1533 case 2:
1534 s->range_table = &range_acl8113_2_ai;
1535 devpriv->range_correction = 1;
1536 break;
1537 case 3:
1538 s->range_table = &range_acl8113_2_2_ai;
1539 devpriv->range_correction = 1;
1540 break;
1541 default:
1542 s->range_table = &range_acl8113_1_ai;
1543 break;
1544 printk
1545 (", incorrect range number %d, changing to 0 ",
1546 it->options[1]);
1547 break;
1548 }
1549 break;
1550 }
1551 subdev++;
1552 }
1553
1554
1555 if (this_board->n_aochan > 0) {
1556 s = dev->subdevices + subdev;
1557 s->type = COMEDI_SUBD_AO;
1558 s->subdev_flags = SDF_WRITABLE | SDF_GROUND;
1559 s->n_chan = this_board->n_aochan;
1560 s->maxdata = 0xfff;
1561 s->len_chanlist = 1;
1562 s->range_table = this_board->rangelist_ao;
1563 s->insn_read = pcl812_ao_insn_read;
1564 s->insn_write = pcl812_ao_insn_write;
1565 switch (this_board->board_type) {
1566 case boardA821:
1567 if (it->options[3] == 1)
1568 s->range_table = &range_unipolar10;
1569 break;
1570 case boardPCL812:
1571 case boardACL8112:
1572 case boardPCL812PG:
1573 case boardACL8216:
1574 if (it->options[5] == 1)
1575 s->range_table = &range_unipolar10;
1576 if (it->options[5] == 2)
1577 s->range_table = &range_unknown;
1578 break;
1579 }
1580 subdev++;
1581 }
1582
1583
1584 if (this_board->n_dichan > 0) {
1585 s = dev->subdevices + subdev;
1586 s->type = COMEDI_SUBD_DI;
1587 s->subdev_flags = SDF_READABLE;
1588 s->n_chan = this_board->n_dichan;
1589 s->maxdata = 1;
1590 s->len_chanlist = this_board->n_dichan;
1591 s->range_table = &range_digital;
1592 s->insn_bits = pcl812_di_insn_bits;
1593 subdev++;
1594 }
1595
1596
1597 if (this_board->n_dochan > 0) {
1598 s = dev->subdevices + subdev;
1599 s->type = COMEDI_SUBD_DO;
1600 s->subdev_flags = SDF_WRITABLE;
1601 s->n_chan = this_board->n_dochan;
1602 s->maxdata = 1;
1603 s->len_chanlist = this_board->n_dochan;
1604 s->range_table = &range_digital;
1605 s->insn_bits = pcl812_do_insn_bits;
1606 subdev++;
1607 }
1608
1609 switch (this_board->board_type) {
1610 case boardACL8216:
1611 devpriv->ai_is16b = 1;
1612 case boardPCL812PG:
1613 case boardPCL812:
1614 case boardACL8112:
1615 devpriv->max_812_ai_mode0_rangewait = 1;
1616 if (it->options[3] > 0)
1617 devpriv->use_ext_trg = 1;
1618 case boardA821:
1619 devpriv->max_812_ai_mode0_rangewait = 1;
1620 devpriv->mode_reg_int = (irq << 4) & 0xf0;
1621 break;
1622 case boardPCL813B:
1623 case boardPCL813:
1624 case boardISO813:
1625 case boardACL8113:
1626 devpriv->max_812_ai_mode0_rangewait = 5;
1627 break;
1628 }
1629
1630 printk("\n");
1631 devpriv->valid = 1;
1632
1633 pcl812_reset(dev);
1634
1635 return 0;
1636}
1637
1638
1639
1640
1641static int pcl812_detach(struct comedi_device *dev)
1642{
1643
1644#ifdef PCL812_EXTDEBUG
1645 printk("comedi%d: pcl812: remove\n", dev->minor);
1646#endif
1647 free_resources(dev);
1648 return 0;
1649}
1650
