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authorMark Brown <broonie@opensource.wolfsonmicro.com>2009-10-12 11:15:09 -0400
committerSamuel Ortiz <sameo@linux.intel.com>2009-12-13 13:20:55 -0500
commite0a3389ab9cb08813bf325616249abb29c4d2302 (patch)
treee7f1bd9d90a98cd23cb677d8aea6877985fed5cc /drivers/mfd/wm8350-core.c
parentfba65fe0ededc538771e47f6d099d7c853f4776e (diff)
mfd: Split wm8350 IRQ code into a separate file
In preparation for refactoring - it's over 700 lines of well-isolated code and having it in a file by itself makes things more managable. While we're at it make sure that we clean up the IRQ if we fail after acquiring it on init. Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Diffstat (limited to 'drivers/mfd/wm8350-core.c')
-rw-r--r--drivers/mfd/wm8350-core.c769
1 files changed, 7 insertions, 762 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index ba27c9dc1ad..242795feb90 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -337,733 +337,6 @@ int wm8350_reg_unlock(struct wm8350 *wm8350)
337} 337}
338EXPORT_SYMBOL_GPL(wm8350_reg_unlock); 338EXPORT_SYMBOL_GPL(wm8350_reg_unlock);
339 339
340static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
341{
342 mutex_lock(&wm8350->irq_mutex);
343
344 if (wm8350->irq[irq].handler)
345 wm8350->irq[irq].handler(wm8350, irq, wm8350->irq[irq].data);
346 else {
347 dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n",
348 irq);
349 wm8350_mask_irq(wm8350, irq);
350 }
351
352 mutex_unlock(&wm8350->irq_mutex);
353}
354
355/*
356 * This is a threaded IRQ handler so can access I2C/SPI. Since all
357 * interrupts are clear on read the IRQ line will be reasserted and
358 * the physical IRQ will be handled again if another interrupt is
359 * asserted while we run - in the normal course of events this is a
360 * rare occurrence so we save I2C/SPI reads.
361 */
362static irqreturn_t wm8350_irq(int irq, void *data)
363{
364 struct wm8350 *wm8350 = data;
365 u16 level_one, status1, status2, comp;
366
367 /* TODO: Use block reads to improve performance? */
368 level_one = wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS)
369 & ~wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK);
370 status1 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_1)
371 & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_1_MASK);
372 status2 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_2)
373 & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_2_MASK);
374 comp = wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS)
375 & ~wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK);
376
377 /* over current */
378 if (level_one & WM8350_OC_INT) {
379 u16 oc;
380
381 oc = wm8350_reg_read(wm8350, WM8350_OVER_CURRENT_INT_STATUS);
382 oc &= ~wm8350_reg_read(wm8350,
383 WM8350_OVER_CURRENT_INT_STATUS_MASK);
384
385 if (oc & WM8350_OC_LS_EINT) /* limit switch */
386 wm8350_irq_call_handler(wm8350, WM8350_IRQ_OC_LS);
387 }
388
389 /* under voltage */
390 if (level_one & WM8350_UV_INT) {
391 u16 uv;
392
393 uv = wm8350_reg_read(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS);
394 uv &= ~wm8350_reg_read(wm8350,
395 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK);
396
397 if (uv & WM8350_UV_DC1_EINT)
398 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC1);
399 if (uv & WM8350_UV_DC2_EINT)
400 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC2);
401 if (uv & WM8350_UV_DC3_EINT)
402 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC3);
403 if (uv & WM8350_UV_DC4_EINT)
404 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC4);
405 if (uv & WM8350_UV_DC5_EINT)
406 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC5);
407 if (uv & WM8350_UV_DC6_EINT)
408 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC6);
409 if (uv & WM8350_UV_LDO1_EINT)
410 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO1);
411 if (uv & WM8350_UV_LDO2_EINT)
412 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO2);
413 if (uv & WM8350_UV_LDO3_EINT)
414 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO3);
415 if (uv & WM8350_UV_LDO4_EINT)
416 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO4);
417 }
418
419 /* charger, RTC */
420 if (status1) {
421 if (status1 & WM8350_CHG_BAT_HOT_EINT)
422 wm8350_irq_call_handler(wm8350,
423 WM8350_IRQ_CHG_BAT_HOT);
424 if (status1 & WM8350_CHG_BAT_COLD_EINT)
425 wm8350_irq_call_handler(wm8350,
426 WM8350_IRQ_CHG_BAT_COLD);
427 if (status1 & WM8350_CHG_BAT_FAIL_EINT)
428 wm8350_irq_call_handler(wm8350,
429 WM8350_IRQ_CHG_BAT_FAIL);
430 if (status1 & WM8350_CHG_TO_EINT)
431 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_TO);
432 if (status1 & WM8350_CHG_END_EINT)
433 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_END);
434 if (status1 & WM8350_CHG_START_EINT)
435 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_START);
436 if (status1 & WM8350_CHG_FAST_RDY_EINT)
437 wm8350_irq_call_handler(wm8350,
438 WM8350_IRQ_CHG_FAST_RDY);
439 if (status1 & WM8350_CHG_VBATT_LT_3P9_EINT)
440 wm8350_irq_call_handler(wm8350,
441 WM8350_IRQ_CHG_VBATT_LT_3P9);
442 if (status1 & WM8350_CHG_VBATT_LT_3P1_EINT)
443 wm8350_irq_call_handler(wm8350,
444 WM8350_IRQ_CHG_VBATT_LT_3P1);
445 if (status1 & WM8350_CHG_VBATT_LT_2P85_EINT)
446 wm8350_irq_call_handler(wm8350,
447 WM8350_IRQ_CHG_VBATT_LT_2P85);
448 if (status1 & WM8350_RTC_ALM_EINT)
449 wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_ALM);
450 if (status1 & WM8350_RTC_SEC_EINT)
451 wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_SEC);
452 if (status1 & WM8350_RTC_PER_EINT)
453 wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_PER);
454 }
455
456 /* current sink, system, aux adc */
457 if (status2) {
458 if (status2 & WM8350_CS1_EINT)
459 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS1);
460 if (status2 & WM8350_CS2_EINT)
461 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS2);
462
463 if (status2 & WM8350_SYS_HYST_COMP_FAIL_EINT)
464 wm8350_irq_call_handler(wm8350,
465 WM8350_IRQ_SYS_HYST_COMP_FAIL);
466 if (status2 & WM8350_SYS_CHIP_GT115_EINT)
467 wm8350_irq_call_handler(wm8350,
468 WM8350_IRQ_SYS_CHIP_GT115);
469 if (status2 & WM8350_SYS_CHIP_GT140_EINT)
470 wm8350_irq_call_handler(wm8350,
471 WM8350_IRQ_SYS_CHIP_GT140);
472 if (status2 & WM8350_SYS_WDOG_TO_EINT)
473 wm8350_irq_call_handler(wm8350,
474 WM8350_IRQ_SYS_WDOG_TO);
475
476 if (status2 & WM8350_AUXADC_DATARDY_EINT)
477 wm8350_irq_call_handler(wm8350,
478 WM8350_IRQ_AUXADC_DATARDY);
479 if (status2 & WM8350_AUXADC_DCOMP4_EINT)
480 wm8350_irq_call_handler(wm8350,
481 WM8350_IRQ_AUXADC_DCOMP4);
482 if (status2 & WM8350_AUXADC_DCOMP3_EINT)
483 wm8350_irq_call_handler(wm8350,
484 WM8350_IRQ_AUXADC_DCOMP3);
485 if (status2 & WM8350_AUXADC_DCOMP2_EINT)
486 wm8350_irq_call_handler(wm8350,
487 WM8350_IRQ_AUXADC_DCOMP2);
488 if (status2 & WM8350_AUXADC_DCOMP1_EINT)
489 wm8350_irq_call_handler(wm8350,
490 WM8350_IRQ_AUXADC_DCOMP1);
491
492 if (status2 & WM8350_USB_LIMIT_EINT)
493 wm8350_irq_call_handler(wm8350, WM8350_IRQ_USB_LIMIT);
494 }
495
496 /* wake, codec, ext */
497 if (comp) {
498 if (comp & WM8350_WKUP_OFF_STATE_EINT)
499 wm8350_irq_call_handler(wm8350,
500 WM8350_IRQ_WKUP_OFF_STATE);
501 if (comp & WM8350_WKUP_HIB_STATE_EINT)
502 wm8350_irq_call_handler(wm8350,
503 WM8350_IRQ_WKUP_HIB_STATE);
504 if (comp & WM8350_WKUP_CONV_FAULT_EINT)
505 wm8350_irq_call_handler(wm8350,
506 WM8350_IRQ_WKUP_CONV_FAULT);
507 if (comp & WM8350_WKUP_WDOG_RST_EINT)
508 wm8350_irq_call_handler(wm8350,
509 WM8350_IRQ_WKUP_WDOG_RST);
510 if (comp & WM8350_WKUP_GP_PWR_ON_EINT)
511 wm8350_irq_call_handler(wm8350,
512 WM8350_IRQ_WKUP_GP_PWR_ON);
513 if (comp & WM8350_WKUP_ONKEY_EINT)
514 wm8350_irq_call_handler(wm8350, WM8350_IRQ_WKUP_ONKEY);
515 if (comp & WM8350_WKUP_GP_WAKEUP_EINT)
516 wm8350_irq_call_handler(wm8350,
517 WM8350_IRQ_WKUP_GP_WAKEUP);
518
519 if (comp & WM8350_CODEC_JCK_DET_L_EINT)
520 wm8350_irq_call_handler(wm8350,
521 WM8350_IRQ_CODEC_JCK_DET_L);
522 if (comp & WM8350_CODEC_JCK_DET_R_EINT)
523 wm8350_irq_call_handler(wm8350,
524 WM8350_IRQ_CODEC_JCK_DET_R);
525 if (comp & WM8350_CODEC_MICSCD_EINT)
526 wm8350_irq_call_handler(wm8350,
527 WM8350_IRQ_CODEC_MICSCD);
528 if (comp & WM8350_CODEC_MICD_EINT)
529 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CODEC_MICD);
530
531 if (comp & WM8350_EXT_USB_FB_EINT)
532 wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_USB_FB);
533 if (comp & WM8350_EXT_WALL_FB_EINT)
534 wm8350_irq_call_handler(wm8350,
535 WM8350_IRQ_EXT_WALL_FB);
536 if (comp & WM8350_EXT_BAT_FB_EINT)
537 wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_BAT_FB);
538 }
539
540 if (level_one & WM8350_GP_INT) {
541 int i;
542 u16 gpio;
543
544 gpio = wm8350_reg_read(wm8350, WM8350_GPIO_INT_STATUS);
545 gpio &= ~wm8350_reg_read(wm8350,
546 WM8350_GPIO_INT_STATUS_MASK);
547
548 for (i = 0; i < 12; i++) {
549 if (gpio & (1 << i))
550 wm8350_irq_call_handler(wm8350,
551 WM8350_IRQ_GPIO(i));
552 }
553 }
554
555 return IRQ_HANDLED;
556}
557
558int wm8350_register_irq(struct wm8350 *wm8350, int irq,
559 void (*handler) (struct wm8350 *, int, void *),
560 void *data)
561{
562 if (irq < 0 || irq > WM8350_NUM_IRQ || !handler)
563 return -EINVAL;
564
565 if (wm8350->irq[irq].handler)
566 return -EBUSY;
567
568 mutex_lock(&wm8350->irq_mutex);
569 wm8350->irq[irq].handler = handler;
570 wm8350->irq[irq].data = data;
571 mutex_unlock(&wm8350->irq_mutex);
572
573 return 0;
574}
575EXPORT_SYMBOL_GPL(wm8350_register_irq);
576
577int wm8350_free_irq(struct wm8350 *wm8350, int irq)
578{
579 if (irq < 0 || irq > WM8350_NUM_IRQ)
580 return -EINVAL;
581
582 mutex_lock(&wm8350->irq_mutex);
583 wm8350->irq[irq].handler = NULL;
584 mutex_unlock(&wm8350->irq_mutex);
585 return 0;
586}
587EXPORT_SYMBOL_GPL(wm8350_free_irq);
588
589int wm8350_mask_irq(struct wm8350 *wm8350, int irq)
590{
591 switch (irq) {
592 case WM8350_IRQ_CHG_BAT_HOT:
593 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
594 WM8350_IM_CHG_BAT_HOT_EINT);
595 case WM8350_IRQ_CHG_BAT_COLD:
596 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
597 WM8350_IM_CHG_BAT_COLD_EINT);
598 case WM8350_IRQ_CHG_BAT_FAIL:
599 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
600 WM8350_IM_CHG_BAT_FAIL_EINT);
601 case WM8350_IRQ_CHG_TO:
602 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
603 WM8350_IM_CHG_TO_EINT);
604 case WM8350_IRQ_CHG_END:
605 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
606 WM8350_IM_CHG_END_EINT);
607 case WM8350_IRQ_CHG_START:
608 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
609 WM8350_IM_CHG_START_EINT);
610 case WM8350_IRQ_CHG_FAST_RDY:
611 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
612 WM8350_IM_CHG_FAST_RDY_EINT);
613 case WM8350_IRQ_RTC_PER:
614 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
615 WM8350_IM_RTC_PER_EINT);
616 case WM8350_IRQ_RTC_SEC:
617 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
618 WM8350_IM_RTC_SEC_EINT);
619 case WM8350_IRQ_RTC_ALM:
620 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
621 WM8350_IM_RTC_ALM_EINT);
622 case WM8350_IRQ_CHG_VBATT_LT_3P9:
623 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
624 WM8350_IM_CHG_VBATT_LT_3P9_EINT);
625 case WM8350_IRQ_CHG_VBATT_LT_3P1:
626 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
627 WM8350_IM_CHG_VBATT_LT_3P1_EINT);
628 case WM8350_IRQ_CHG_VBATT_LT_2P85:
629 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
630 WM8350_IM_CHG_VBATT_LT_2P85_EINT);
631 case WM8350_IRQ_CS1:
632 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
633 WM8350_IM_CS1_EINT);
634 case WM8350_IRQ_CS2:
635 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
636 WM8350_IM_CS2_EINT);
637 case WM8350_IRQ_USB_LIMIT:
638 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
639 WM8350_IM_USB_LIMIT_EINT);
640 case WM8350_IRQ_AUXADC_DATARDY:
641 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
642 WM8350_IM_AUXADC_DATARDY_EINT);
643 case WM8350_IRQ_AUXADC_DCOMP4:
644 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
645 WM8350_IM_AUXADC_DCOMP4_EINT);
646 case WM8350_IRQ_AUXADC_DCOMP3:
647 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
648 WM8350_IM_AUXADC_DCOMP3_EINT);
649 case WM8350_IRQ_AUXADC_DCOMP2:
650 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
651 WM8350_IM_AUXADC_DCOMP2_EINT);
652 case WM8350_IRQ_AUXADC_DCOMP1:
653 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
654 WM8350_IM_AUXADC_DCOMP1_EINT);
655 case WM8350_IRQ_SYS_HYST_COMP_FAIL:
656 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
657 WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
658 case WM8350_IRQ_SYS_CHIP_GT115:
659 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
660 WM8350_IM_SYS_CHIP_GT115_EINT);
661 case WM8350_IRQ_SYS_CHIP_GT140:
662 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
663 WM8350_IM_SYS_CHIP_GT140_EINT);
664 case WM8350_IRQ_SYS_WDOG_TO:
665 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
666 WM8350_IM_SYS_WDOG_TO_EINT);
667 case WM8350_IRQ_UV_LDO4:
668 return wm8350_set_bits(wm8350,
669 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
670 WM8350_IM_UV_LDO4_EINT);
671 case WM8350_IRQ_UV_LDO3:
672 return wm8350_set_bits(wm8350,
673 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
674 WM8350_IM_UV_LDO3_EINT);
675 case WM8350_IRQ_UV_LDO2:
676 return wm8350_set_bits(wm8350,
677 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
678 WM8350_IM_UV_LDO2_EINT);
679 case WM8350_IRQ_UV_LDO1:
680 return wm8350_set_bits(wm8350,
681 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
682 WM8350_IM_UV_LDO1_EINT);
683 case WM8350_IRQ_UV_DC6:
684 return wm8350_set_bits(wm8350,
685 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
686 WM8350_IM_UV_DC6_EINT);
687 case WM8350_IRQ_UV_DC5:
688 return wm8350_set_bits(wm8350,
689 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
690 WM8350_IM_UV_DC5_EINT);
691 case WM8350_IRQ_UV_DC4:
692 return wm8350_set_bits(wm8350,
693 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
694 WM8350_IM_UV_DC4_EINT);
695 case WM8350_IRQ_UV_DC3:
696 return wm8350_set_bits(wm8350,
697 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
698 WM8350_IM_UV_DC3_EINT);
699 case WM8350_IRQ_UV_DC2:
700 return wm8350_set_bits(wm8350,
701 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
702 WM8350_IM_UV_DC2_EINT);
703 case WM8350_IRQ_UV_DC1:
704 return wm8350_set_bits(wm8350,
705 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
706 WM8350_IM_UV_DC1_EINT);
707 case WM8350_IRQ_OC_LS:
708 return wm8350_set_bits(wm8350,
709 WM8350_OVER_CURRENT_INT_STATUS_MASK,
710 WM8350_IM_OC_LS_EINT);
711 case WM8350_IRQ_EXT_USB_FB:
712 return wm8350_set_bits(wm8350,
713 WM8350_COMPARATOR_INT_STATUS_MASK,
714 WM8350_IM_EXT_USB_FB_EINT);
715 case WM8350_IRQ_EXT_WALL_FB:
716 return wm8350_set_bits(wm8350,
717 WM8350_COMPARATOR_INT_STATUS_MASK,
718 WM8350_IM_EXT_WALL_FB_EINT);
719 case WM8350_IRQ_EXT_BAT_FB:
720 return wm8350_set_bits(wm8350,
721 WM8350_COMPARATOR_INT_STATUS_MASK,
722 WM8350_IM_EXT_BAT_FB_EINT);
723 case WM8350_IRQ_CODEC_JCK_DET_L:
724 return wm8350_set_bits(wm8350,
725 WM8350_COMPARATOR_INT_STATUS_MASK,
726 WM8350_IM_CODEC_JCK_DET_L_EINT);
727 case WM8350_IRQ_CODEC_JCK_DET_R:
728 return wm8350_set_bits(wm8350,
729 WM8350_COMPARATOR_INT_STATUS_MASK,
730 WM8350_IM_CODEC_JCK_DET_R_EINT);
731 case WM8350_IRQ_CODEC_MICSCD:
732 return wm8350_set_bits(wm8350,
733 WM8350_COMPARATOR_INT_STATUS_MASK,
734 WM8350_IM_CODEC_MICSCD_EINT);
735 case WM8350_IRQ_CODEC_MICD:
736 return wm8350_set_bits(wm8350,
737 WM8350_COMPARATOR_INT_STATUS_MASK,
738 WM8350_IM_CODEC_MICD_EINT);
739 case WM8350_IRQ_WKUP_OFF_STATE:
740 return wm8350_set_bits(wm8350,
741 WM8350_COMPARATOR_INT_STATUS_MASK,
742 WM8350_IM_WKUP_OFF_STATE_EINT);
743 case WM8350_IRQ_WKUP_HIB_STATE:
744 return wm8350_set_bits(wm8350,
745 WM8350_COMPARATOR_INT_STATUS_MASK,
746 WM8350_IM_WKUP_HIB_STATE_EINT);
747 case WM8350_IRQ_WKUP_CONV_FAULT:
748 return wm8350_set_bits(wm8350,
749 WM8350_COMPARATOR_INT_STATUS_MASK,
750 WM8350_IM_WKUP_CONV_FAULT_EINT);
751 case WM8350_IRQ_WKUP_WDOG_RST:
752 return wm8350_set_bits(wm8350,
753 WM8350_COMPARATOR_INT_STATUS_MASK,
754 WM8350_IM_WKUP_OFF_STATE_EINT);
755 case WM8350_IRQ_WKUP_GP_PWR_ON:
756 return wm8350_set_bits(wm8350,
757 WM8350_COMPARATOR_INT_STATUS_MASK,
758 WM8350_IM_WKUP_GP_PWR_ON_EINT);
759 case WM8350_IRQ_WKUP_ONKEY:
760 return wm8350_set_bits(wm8350,
761 WM8350_COMPARATOR_INT_STATUS_MASK,
762 WM8350_IM_WKUP_ONKEY_EINT);
763 case WM8350_IRQ_WKUP_GP_WAKEUP:
764 return wm8350_set_bits(wm8350,
765 WM8350_COMPARATOR_INT_STATUS_MASK,
766 WM8350_IM_WKUP_GP_WAKEUP_EINT);
767 case WM8350_IRQ_GPIO(0):
768 return wm8350_set_bits(wm8350,
769 WM8350_GPIO_INT_STATUS_MASK,
770 WM8350_IM_GP0_EINT);
771 case WM8350_IRQ_GPIO(1):
772 return wm8350_set_bits(wm8350,
773 WM8350_GPIO_INT_STATUS_MASK,
774 WM8350_IM_GP1_EINT);
775 case WM8350_IRQ_GPIO(2):
776 return wm8350_set_bits(wm8350,
777 WM8350_GPIO_INT_STATUS_MASK,
778 WM8350_IM_GP2_EINT);
779 case WM8350_IRQ_GPIO(3):
780 return wm8350_set_bits(wm8350,
781 WM8350_GPIO_INT_STATUS_MASK,
782 WM8350_IM_GP3_EINT);
783 case WM8350_IRQ_GPIO(4):
784 return wm8350_set_bits(wm8350,
785 WM8350_GPIO_INT_STATUS_MASK,
786 WM8350_IM_GP4_EINT);
787 case WM8350_IRQ_GPIO(5):
788 return wm8350_set_bits(wm8350,
789 WM8350_GPIO_INT_STATUS_MASK,
790 WM8350_IM_GP5_EINT);
791 case WM8350_IRQ_GPIO(6):
792 return wm8350_set_bits(wm8350,
793 WM8350_GPIO_INT_STATUS_MASK,
794 WM8350_IM_GP6_EINT);
795 case WM8350_IRQ_GPIO(7):
796 return wm8350_set_bits(wm8350,
797 WM8350_GPIO_INT_STATUS_MASK,
798 WM8350_IM_GP7_EINT);
799 case WM8350_IRQ_GPIO(8):
800 return wm8350_set_bits(wm8350,
801 WM8350_GPIO_INT_STATUS_MASK,
802 WM8350_IM_GP8_EINT);
803 case WM8350_IRQ_GPIO(9):
804 return wm8350_set_bits(wm8350,
805 WM8350_GPIO_INT_STATUS_MASK,
806 WM8350_IM_GP9_EINT);
807 case WM8350_IRQ_GPIO(10):
808 return wm8350_set_bits(wm8350,
809 WM8350_GPIO_INT_STATUS_MASK,
810 WM8350_IM_GP10_EINT);
811 case WM8350_IRQ_GPIO(11):
812 return wm8350_set_bits(wm8350,
813 WM8350_GPIO_INT_STATUS_MASK,
814 WM8350_IM_GP11_EINT);
815 case WM8350_IRQ_GPIO(12):
816 return wm8350_set_bits(wm8350,
817 WM8350_GPIO_INT_STATUS_MASK,
818 WM8350_IM_GP12_EINT);
819 default:
820 dev_warn(wm8350->dev, "Attempting to mask unknown IRQ %d\n",
821 irq);
822 return -EINVAL;
823 }
824 return 0;
825}
826EXPORT_SYMBOL_GPL(wm8350_mask_irq);
827
828int wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
829{
830 switch (irq) {
831 case WM8350_IRQ_CHG_BAT_HOT:
832 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
833 WM8350_IM_CHG_BAT_HOT_EINT);
834 case WM8350_IRQ_CHG_BAT_COLD:
835 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
836 WM8350_IM_CHG_BAT_COLD_EINT);
837 case WM8350_IRQ_CHG_BAT_FAIL:
838 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
839 WM8350_IM_CHG_BAT_FAIL_EINT);
840 case WM8350_IRQ_CHG_TO:
841 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
842 WM8350_IM_CHG_TO_EINT);
843 case WM8350_IRQ_CHG_END:
844 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
845 WM8350_IM_CHG_END_EINT);
846 case WM8350_IRQ_CHG_START:
847 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
848 WM8350_IM_CHG_START_EINT);
849 case WM8350_IRQ_CHG_FAST_RDY:
850 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
851 WM8350_IM_CHG_FAST_RDY_EINT);
852 case WM8350_IRQ_RTC_PER:
853 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
854 WM8350_IM_RTC_PER_EINT);
855 case WM8350_IRQ_RTC_SEC:
856 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
857 WM8350_IM_RTC_SEC_EINT);
858 case WM8350_IRQ_RTC_ALM:
859 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
860 WM8350_IM_RTC_ALM_EINT);
861 case WM8350_IRQ_CHG_VBATT_LT_3P9:
862 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
863 WM8350_IM_CHG_VBATT_LT_3P9_EINT);
864 case WM8350_IRQ_CHG_VBATT_LT_3P1:
865 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
866 WM8350_IM_CHG_VBATT_LT_3P1_EINT);
867 case WM8350_IRQ_CHG_VBATT_LT_2P85:
868 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
869 WM8350_IM_CHG_VBATT_LT_2P85_EINT);
870 case WM8350_IRQ_CS1:
871 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
872 WM8350_IM_CS1_EINT);
873 case WM8350_IRQ_CS2:
874 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
875 WM8350_IM_CS2_EINT);
876 case WM8350_IRQ_USB_LIMIT:
877 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
878 WM8350_IM_USB_LIMIT_EINT);
879 case WM8350_IRQ_AUXADC_DATARDY:
880 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
881 WM8350_IM_AUXADC_DATARDY_EINT);
882 case WM8350_IRQ_AUXADC_DCOMP4:
883 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
884 WM8350_IM_AUXADC_DCOMP4_EINT);
885 case WM8350_IRQ_AUXADC_DCOMP3:
886 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
887 WM8350_IM_AUXADC_DCOMP3_EINT);
888 case WM8350_IRQ_AUXADC_DCOMP2:
889 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
890 WM8350_IM_AUXADC_DCOMP2_EINT);
891 case WM8350_IRQ_AUXADC_DCOMP1:
892 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
893 WM8350_IM_AUXADC_DCOMP1_EINT);
894 case WM8350_IRQ_SYS_HYST_COMP_FAIL:
895 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
896 WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
897 case WM8350_IRQ_SYS_CHIP_GT115:
898 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
899 WM8350_IM_SYS_CHIP_GT115_EINT);
900 case WM8350_IRQ_SYS_CHIP_GT140:
901 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
902 WM8350_IM_SYS_CHIP_GT140_EINT);
903 case WM8350_IRQ_SYS_WDOG_TO:
904 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
905 WM8350_IM_SYS_WDOG_TO_EINT);
906 case WM8350_IRQ_UV_LDO4:
907 return wm8350_clear_bits(wm8350,
908 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
909 WM8350_IM_UV_LDO4_EINT);
910 case WM8350_IRQ_UV_LDO3:
911 return wm8350_clear_bits(wm8350,
912 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
913 WM8350_IM_UV_LDO3_EINT);
914 case WM8350_IRQ_UV_LDO2:
915 return wm8350_clear_bits(wm8350,
916 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
917 WM8350_IM_UV_LDO2_EINT);
918 case WM8350_IRQ_UV_LDO1:
919 return wm8350_clear_bits(wm8350,
920 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
921 WM8350_IM_UV_LDO1_EINT);
922 case WM8350_IRQ_UV_DC6:
923 return wm8350_clear_bits(wm8350,
924 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
925 WM8350_IM_UV_DC6_EINT);
926 case WM8350_IRQ_UV_DC5:
927 return wm8350_clear_bits(wm8350,
928 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
929 WM8350_IM_UV_DC5_EINT);
930 case WM8350_IRQ_UV_DC4:
931 return wm8350_clear_bits(wm8350,
932 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
933 WM8350_IM_UV_DC4_EINT);
934 case WM8350_IRQ_UV_DC3:
935 return wm8350_clear_bits(wm8350,
936 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
937 WM8350_IM_UV_DC3_EINT);
938 case WM8350_IRQ_UV_DC2:
939 return wm8350_clear_bits(wm8350,
940 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
941 WM8350_IM_UV_DC2_EINT);
942 case WM8350_IRQ_UV_DC1:
943 return wm8350_clear_bits(wm8350,
944 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
945 WM8350_IM_UV_DC1_EINT);
946 case WM8350_IRQ_OC_LS:
947 return wm8350_clear_bits(wm8350,
948 WM8350_OVER_CURRENT_INT_STATUS_MASK,
949 WM8350_IM_OC_LS_EINT);
950 case WM8350_IRQ_EXT_USB_FB:
951 return wm8350_clear_bits(wm8350,
952 WM8350_COMPARATOR_INT_STATUS_MASK,
953 WM8350_IM_EXT_USB_FB_EINT);
954 case WM8350_IRQ_EXT_WALL_FB:
955 return wm8350_clear_bits(wm8350,
956 WM8350_COMPARATOR_INT_STATUS_MASK,
957 WM8350_IM_EXT_WALL_FB_EINT);
958 case WM8350_IRQ_EXT_BAT_FB:
959 return wm8350_clear_bits(wm8350,
960 WM8350_COMPARATOR_INT_STATUS_MASK,
961 WM8350_IM_EXT_BAT_FB_EINT);
962 case WM8350_IRQ_CODEC_JCK_DET_L:
963 return wm8350_clear_bits(wm8350,
964 WM8350_COMPARATOR_INT_STATUS_MASK,
965 WM8350_IM_CODEC_JCK_DET_L_EINT);
966 case WM8350_IRQ_CODEC_JCK_DET_R:
967 return wm8350_clear_bits(wm8350,
968 WM8350_COMPARATOR_INT_STATUS_MASK,
969 WM8350_IM_CODEC_JCK_DET_R_EINT);
970 case WM8350_IRQ_CODEC_MICSCD:
971 return wm8350_clear_bits(wm8350,
972 WM8350_COMPARATOR_INT_STATUS_MASK,
973 WM8350_IM_CODEC_MICSCD_EINT);
974 case WM8350_IRQ_CODEC_MICD:
975 return wm8350_clear_bits(wm8350,
976 WM8350_COMPARATOR_INT_STATUS_MASK,
977 WM8350_IM_CODEC_MICD_EINT);
978 case WM8350_IRQ_WKUP_OFF_STATE:
979 return wm8350_clear_bits(wm8350,
980 WM8350_COMPARATOR_INT_STATUS_MASK,
981 WM8350_IM_WKUP_OFF_STATE_EINT);
982 case WM8350_IRQ_WKUP_HIB_STATE:
983 return wm8350_clear_bits(wm8350,
984 WM8350_COMPARATOR_INT_STATUS_MASK,
985 WM8350_IM_WKUP_HIB_STATE_EINT);
986 case WM8350_IRQ_WKUP_CONV_FAULT:
987 return wm8350_clear_bits(wm8350,
988 WM8350_COMPARATOR_INT_STATUS_MASK,
989 WM8350_IM_WKUP_CONV_FAULT_EINT);
990 case WM8350_IRQ_WKUP_WDOG_RST:
991 return wm8350_clear_bits(wm8350,
992 WM8350_COMPARATOR_INT_STATUS_MASK,
993 WM8350_IM_WKUP_OFF_STATE_EINT);
994 case WM8350_IRQ_WKUP_GP_PWR_ON:
995 return wm8350_clear_bits(wm8350,
996 WM8350_COMPARATOR_INT_STATUS_MASK,
997 WM8350_IM_WKUP_GP_PWR_ON_EINT);
998 case WM8350_IRQ_WKUP_ONKEY:
999 return wm8350_clear_bits(wm8350,
1000 WM8350_COMPARATOR_INT_STATUS_MASK,
1001 WM8350_IM_WKUP_ONKEY_EINT);
1002 case WM8350_IRQ_WKUP_GP_WAKEUP:
1003 return wm8350_clear_bits(wm8350,
1004 WM8350_COMPARATOR_INT_STATUS_MASK,
1005 WM8350_IM_WKUP_GP_WAKEUP_EINT);
1006 case WM8350_IRQ_GPIO(0):
1007 return wm8350_clear_bits(wm8350,
1008 WM8350_GPIO_INT_STATUS_MASK,
1009 WM8350_IM_GP0_EINT);
1010 case WM8350_IRQ_GPIO(1):
1011 return wm8350_clear_bits(wm8350,
1012 WM8350_GPIO_INT_STATUS_MASK,
1013 WM8350_IM_GP1_EINT);
1014 case WM8350_IRQ_GPIO(2):
1015 return wm8350_clear_bits(wm8350,
1016 WM8350_GPIO_INT_STATUS_MASK,
1017 WM8350_IM_GP2_EINT);
1018 case WM8350_IRQ_GPIO(3):
1019 return wm8350_clear_bits(wm8350,
1020 WM8350_GPIO_INT_STATUS_MASK,
1021 WM8350_IM_GP3_EINT);
1022 case WM8350_IRQ_GPIO(4):
1023 return wm8350_clear_bits(wm8350,
1024 WM8350_GPIO_INT_STATUS_MASK,
1025 WM8350_IM_GP4_EINT);
1026 case WM8350_IRQ_GPIO(5):
1027 return wm8350_clear_bits(wm8350,
1028 WM8350_GPIO_INT_STATUS_MASK,
1029 WM8350_IM_GP5_EINT);
1030 case WM8350_IRQ_GPIO(6):
1031 return wm8350_clear_bits(wm8350,
1032 WM8350_GPIO_INT_STATUS_MASK,
1033 WM8350_IM_GP6_EINT);
1034 case WM8350_IRQ_GPIO(7):
1035 return wm8350_clear_bits(wm8350,
1036 WM8350_GPIO_INT_STATUS_MASK,
1037 WM8350_IM_GP7_EINT);
1038 case WM8350_IRQ_GPIO(8):
1039 return wm8350_clear_bits(wm8350,
1040 WM8350_GPIO_INT_STATUS_MASK,
1041 WM8350_IM_GP8_EINT);
1042 case WM8350_IRQ_GPIO(9):
1043 return wm8350_clear_bits(wm8350,
1044 WM8350_GPIO_INT_STATUS_MASK,
1045 WM8350_IM_GP9_EINT);
1046 case WM8350_IRQ_GPIO(10):
1047 return wm8350_clear_bits(wm8350,
1048 WM8350_GPIO_INT_STATUS_MASK,
1049 WM8350_IM_GP10_EINT);
1050 case WM8350_IRQ_GPIO(11):
1051 return wm8350_clear_bits(wm8350,
1052 WM8350_GPIO_INT_STATUS_MASK,
1053 WM8350_IM_GP11_EINT);
1054 case WM8350_IRQ_GPIO(12):
1055 return wm8350_clear_bits(wm8350,
1056 WM8350_GPIO_INT_STATUS_MASK,
1057 WM8350_IM_GP12_EINT);
1058 default:
1059 dev_warn(wm8350->dev, "Attempting to unmask unknown IRQ %d\n",
1060 irq);
1061 return -EINVAL;
1062 }
1063 return 0;
1064}
1065EXPORT_SYMBOL_GPL(wm8350_unmask_irq);
1066
1067int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref) 340int wm8350_read_auxadc(struct wm8350 *wm8350, int channel, int scale, int vref)
1068{ 341{
1069 u16 reg, result = 0; 342 u16 reg, result = 0;
@@ -1409,49 +682,18 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
1409 return ret; 682 return ret;
1410 } 683 }
1411 684
1412 wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0xFFFF);
1413 wm8350_reg_write(wm8350, WM8350_INT_STATUS_1_MASK, 0xFFFF);
1414 wm8350_reg_write(wm8350, WM8350_INT_STATUS_2_MASK, 0xFFFF);
1415 wm8350_reg_write(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS_MASK, 0xFFFF);
1416 wm8350_reg_write(wm8350, WM8350_GPIO_INT_STATUS_MASK, 0xFFFF);
1417 wm8350_reg_write(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK, 0xFFFF);
1418
1419 mutex_init(&wm8350->auxadc_mutex); 685 mutex_init(&wm8350->auxadc_mutex);
1420 mutex_init(&wm8350->irq_mutex);
1421 if (irq) {
1422 int flags = IRQF_ONESHOT;
1423
1424 if (pdata && pdata->irq_high) {
1425 flags |= IRQF_TRIGGER_HIGH;
1426
1427 wm8350_set_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
1428 WM8350_IRQ_POL);
1429 } else {
1430 flags |= IRQF_TRIGGER_LOW;
1431
1432 wm8350_clear_bits(wm8350, WM8350_SYSTEM_CONTROL_1,
1433 WM8350_IRQ_POL);
1434 }
1435 686
1436 ret = request_threaded_irq(irq, NULL, wm8350_irq, flags, 687 ret = wm8350_irq_init(wm8350, irq, pdata);
1437 "wm8350", wm8350); 688 if (ret < 0)
1438 if (ret != 0) {
1439 dev_err(wm8350->dev, "Failed to request IRQ: %d\n",
1440 ret);
1441 goto err;
1442 }
1443 } else {
1444 dev_err(wm8350->dev, "No IRQ configured\n");
1445 goto err; 689 goto err;
1446 }
1447 wm8350->chip_irq = irq;
1448 690
1449 if (pdata && pdata->init) { 691 if (pdata && pdata->init) {
1450 ret = pdata->init(wm8350); 692 ret = pdata->init(wm8350);
1451 if (ret != 0) { 693 if (ret != 0) {
1452 dev_err(wm8350->dev, "Platform init() failed: %d\n", 694 dev_err(wm8350->dev, "Platform init() failed: %d\n",
1453 ret); 695 ret);
1454 goto err; 696 goto err_irq;
1455 } 697 }
1456 } 698 }
1457 699
@@ -1470,6 +712,8 @@ int wm8350_device_init(struct wm8350 *wm8350, int irq,
1470 712
1471 return 0; 713 return 0;
1472 714
715err_irq:
716 wm8350_irq_exit(wm8350);
1473err: 717err:
1474 kfree(wm8350->reg_cache); 718 kfree(wm8350->reg_cache);
1475 return ret; 719 return ret;
@@ -1493,7 +737,8 @@ void wm8350_device_exit(struct wm8350 *wm8350)
1493 platform_device_unregister(wm8350->gpio.pdev); 737 platform_device_unregister(wm8350->gpio.pdev);
1494 platform_device_unregister(wm8350->codec.pdev); 738 platform_device_unregister(wm8350->codec.pdev);
1495 739
1496 free_irq(wm8350->chip_irq, wm8350); 740 wm8350_irq_exit(wm8350);
741
1497 kfree(wm8350->reg_cache); 742 kfree(wm8350->reg_cache);
1498} 743}
1499EXPORT_SYMBOL_GPL(wm8350_device_exit); 744EXPORT_SYMBOL_GPL(wm8350_device_exit);
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-18 18:26:53 -0400