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-rw-r--r--drivers/mfd/wm8350-core.c770
-rw-r--r--drivers/mfd/wm8350-i2c.c2
2 files changed, 767 insertions, 5 deletions
diff --git a/drivers/mfd/wm8350-core.c b/drivers/mfd/wm8350-core.c
index 071834ba6954..e74829f298b9 100644
--- a/drivers/mfd/wm8350-core.c
+++ b/drivers/mfd/wm8350-core.c
@@ -15,15 +15,20 @@
15#include <linux/kernel.h> 15#include <linux/kernel.h>
16#include <linux/module.h> 16#include <linux/module.h>
17#include <linux/init.h> 17#include <linux/init.h>
18#include <linux/bug.h>
18#include <linux/device.h> 19#include <linux/device.h>
19#include <linux/delay.h> 20#include <linux/delay.h>
20#include <linux/interrupt.h> 21#include <linux/interrupt.h>
22#include <linux/workqueue.h>
21 23
22#include <linux/mfd/wm8350/core.h> 24#include <linux/mfd/wm8350/core.h>
23#include <linux/mfd/wm8350/audio.h> 25#include <linux/mfd/wm8350/audio.h>
26#include <linux/mfd/wm8350/comparator.h>
24#include <linux/mfd/wm8350/gpio.h> 27#include <linux/mfd/wm8350/gpio.h>
25#include <linux/mfd/wm8350/pmic.h> 28#include <linux/mfd/wm8350/pmic.h>
29#include <linux/mfd/wm8350/rtc.h>
26#include <linux/mfd/wm8350/supply.h> 30#include <linux/mfd/wm8350/supply.h>
31#include <linux/mfd/wm8350/wdt.h>
27 32
28#define WM8350_UNLOCK_KEY 0x0013 33#define WM8350_UNLOCK_KEY 0x0013
29#define WM8350_LOCK_KEY 0x0000 34#define WM8350_LOCK_KEY 0x0000
@@ -321,6 +326,743 @@ int wm8350_reg_unlock(struct wm8350 *wm8350)
321} 326}
322EXPORT_SYMBOL_GPL(wm8350_reg_unlock); 327EXPORT_SYMBOL_GPL(wm8350_reg_unlock);
323 328
329static void wm8350_irq_call_handler(struct wm8350 *wm8350, int irq)
330{
331 mutex_lock(&wm8350->irq_mutex);
332
333 if (wm8350->irq[irq].handler)
334 wm8350->irq[irq].handler(wm8350, irq, wm8350->irq[irq].data);
335 else {
336 dev_err(wm8350->dev, "irq %d nobody cared. now masked.\n",
337 irq);
338 wm8350_mask_irq(wm8350, irq);
339 }
340
341 mutex_unlock(&wm8350->irq_mutex);
342}
343
344/*
345 * wm8350_irq_worker actually handles the interrupts. Since all
346 * interrupts are clear on read the IRQ line will be reasserted and
347 * the physical IRQ will be handled again if another interrupt is
348 * asserted while we run - in the normal course of events this is a
349 * rare occurrence so we save I2C/SPI reads.
350 */
351static void wm8350_irq_worker(struct work_struct *work)
352{
353 struct wm8350 *wm8350 = container_of(work, struct wm8350, irq_work);
354 u16 level_one, status1, status2, comp;
355
356 /* TODO: Use block reads to improve performance? */
357 level_one = wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS)
358 & ~wm8350_reg_read(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK);
359 status1 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_1)
360 & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_1_MASK);
361 status2 = wm8350_reg_read(wm8350, WM8350_INT_STATUS_2)
362 & ~wm8350_reg_read(wm8350, WM8350_INT_STATUS_2_MASK);
363 comp = wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS)
364 & ~wm8350_reg_read(wm8350, WM8350_COMPARATOR_INT_STATUS_MASK);
365
366 /* over current */
367 if (level_one & WM8350_OC_INT) {
368 u16 oc;
369
370 oc = wm8350_reg_read(wm8350, WM8350_OVER_CURRENT_INT_STATUS);
371 oc &= ~wm8350_reg_read(wm8350,
372 WM8350_OVER_CURRENT_INT_STATUS_MASK);
373
374 if (oc & WM8350_OC_LS_EINT) /* limit switch */
375 wm8350_irq_call_handler(wm8350, WM8350_IRQ_OC_LS);
376 }
377
378 /* under voltage */
379 if (level_one & WM8350_UV_INT) {
380 u16 uv;
381
382 uv = wm8350_reg_read(wm8350, WM8350_UNDER_VOLTAGE_INT_STATUS);
383 uv &= ~wm8350_reg_read(wm8350,
384 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK);
385
386 if (uv & WM8350_UV_DC1_EINT)
387 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC1);
388 if (uv & WM8350_UV_DC2_EINT)
389 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC2);
390 if (uv & WM8350_UV_DC3_EINT)
391 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC3);
392 if (uv & WM8350_UV_DC4_EINT)
393 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC4);
394 if (uv & WM8350_UV_DC5_EINT)
395 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC5);
396 if (uv & WM8350_UV_DC6_EINT)
397 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_DC6);
398 if (uv & WM8350_UV_LDO1_EINT)
399 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO1);
400 if (uv & WM8350_UV_LDO2_EINT)
401 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO2);
402 if (uv & WM8350_UV_LDO3_EINT)
403 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO3);
404 if (uv & WM8350_UV_LDO4_EINT)
405 wm8350_irq_call_handler(wm8350, WM8350_IRQ_UV_LDO4);
406 }
407
408 /* charger, RTC */
409 if (status1) {
410 if (status1 & WM8350_CHG_BAT_HOT_EINT)
411 wm8350_irq_call_handler(wm8350,
412 WM8350_IRQ_CHG_BAT_HOT);
413 if (status1 & WM8350_CHG_BAT_COLD_EINT)
414 wm8350_irq_call_handler(wm8350,
415 WM8350_IRQ_CHG_BAT_COLD);
416 if (status1 & WM8350_CHG_BAT_FAIL_EINT)
417 wm8350_irq_call_handler(wm8350,
418 WM8350_IRQ_CHG_BAT_FAIL);
419 if (status1 & WM8350_CHG_TO_EINT)
420 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_TO);
421 if (status1 & WM8350_CHG_END_EINT)
422 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_END);
423 if (status1 & WM8350_CHG_START_EINT)
424 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CHG_START);
425 if (status1 & WM8350_CHG_FAST_RDY_EINT)
426 wm8350_irq_call_handler(wm8350,
427 WM8350_IRQ_CHG_FAST_RDY);
428 if (status1 & WM8350_CHG_VBATT_LT_3P9_EINT)
429 wm8350_irq_call_handler(wm8350,
430 WM8350_IRQ_CHG_VBATT_LT_3P9);
431 if (status1 & WM8350_CHG_VBATT_LT_3P1_EINT)
432 wm8350_irq_call_handler(wm8350,
433 WM8350_IRQ_CHG_VBATT_LT_3P1);
434 if (status1 & WM8350_CHG_VBATT_LT_2P85_EINT)
435 wm8350_irq_call_handler(wm8350,
436 WM8350_IRQ_CHG_VBATT_LT_2P85);
437 if (status1 & WM8350_RTC_ALM_EINT)
438 wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_ALM);
439 if (status1 & WM8350_RTC_SEC_EINT)
440 wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_SEC);
441 if (status1 & WM8350_RTC_PER_EINT)
442 wm8350_irq_call_handler(wm8350, WM8350_IRQ_RTC_PER);
443 }
444
445 /* current sink, system, aux adc */
446 if (status2) {
447 if (status2 & WM8350_CS1_EINT)
448 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS1);
449 if (status2 & WM8350_CS2_EINT)
450 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CS2);
451
452 if (status2 & WM8350_SYS_HYST_COMP_FAIL_EINT)
453 wm8350_irq_call_handler(wm8350,
454 WM8350_IRQ_SYS_HYST_COMP_FAIL);
455 if (status2 & WM8350_SYS_CHIP_GT115_EINT)
456 wm8350_irq_call_handler(wm8350,
457 WM8350_IRQ_SYS_CHIP_GT115);
458 if (status2 & WM8350_SYS_CHIP_GT140_EINT)
459 wm8350_irq_call_handler(wm8350,
460 WM8350_IRQ_SYS_CHIP_GT140);
461 if (status2 & WM8350_SYS_WDOG_TO_EINT)
462 wm8350_irq_call_handler(wm8350,
463 WM8350_IRQ_SYS_WDOG_TO);
464
465 if (status2 & WM8350_AUXADC_DATARDY_EINT)
466 wm8350_irq_call_handler(wm8350,
467 WM8350_IRQ_AUXADC_DATARDY);
468 if (status2 & WM8350_AUXADC_DCOMP4_EINT)
469 wm8350_irq_call_handler(wm8350,
470 WM8350_IRQ_AUXADC_DCOMP4);
471 if (status2 & WM8350_AUXADC_DCOMP3_EINT)
472 wm8350_irq_call_handler(wm8350,
473 WM8350_IRQ_AUXADC_DCOMP3);
474 if (status2 & WM8350_AUXADC_DCOMP2_EINT)
475 wm8350_irq_call_handler(wm8350,
476 WM8350_IRQ_AUXADC_DCOMP2);
477 if (status2 & WM8350_AUXADC_DCOMP1_EINT)
478 wm8350_irq_call_handler(wm8350,
479 WM8350_IRQ_AUXADC_DCOMP1);
480
481 if (status2 & WM8350_USB_LIMIT_EINT)
482 wm8350_irq_call_handler(wm8350, WM8350_IRQ_USB_LIMIT);
483 }
484
485 /* wake, codec, ext */
486 if (comp) {
487 if (comp & WM8350_WKUP_OFF_STATE_EINT)
488 wm8350_irq_call_handler(wm8350,
489 WM8350_IRQ_WKUP_OFF_STATE);
490 if (comp & WM8350_WKUP_HIB_STATE_EINT)
491 wm8350_irq_call_handler(wm8350,
492 WM8350_IRQ_WKUP_HIB_STATE);
493 if (comp & WM8350_WKUP_CONV_FAULT_EINT)
494 wm8350_irq_call_handler(wm8350,
495 WM8350_IRQ_WKUP_CONV_FAULT);
496 if (comp & WM8350_WKUP_WDOG_RST_EINT)
497 wm8350_irq_call_handler(wm8350,
498 WM8350_IRQ_WKUP_WDOG_RST);
499 if (comp & WM8350_WKUP_GP_PWR_ON_EINT)
500 wm8350_irq_call_handler(wm8350,
501 WM8350_IRQ_WKUP_GP_PWR_ON);
502 if (comp & WM8350_WKUP_ONKEY_EINT)
503 wm8350_irq_call_handler(wm8350, WM8350_IRQ_WKUP_ONKEY);
504 if (comp & WM8350_WKUP_GP_WAKEUP_EINT)
505 wm8350_irq_call_handler(wm8350,
506 WM8350_IRQ_WKUP_GP_WAKEUP);
507
508 if (comp & WM8350_CODEC_JCK_DET_L_EINT)
509 wm8350_irq_call_handler(wm8350,
510 WM8350_IRQ_CODEC_JCK_DET_L);
511 if (comp & WM8350_CODEC_JCK_DET_R_EINT)
512 wm8350_irq_call_handler(wm8350,
513 WM8350_IRQ_CODEC_JCK_DET_R);
514 if (comp & WM8350_CODEC_MICSCD_EINT)
515 wm8350_irq_call_handler(wm8350,
516 WM8350_IRQ_CODEC_MICSCD);
517 if (comp & WM8350_CODEC_MICD_EINT)
518 wm8350_irq_call_handler(wm8350, WM8350_IRQ_CODEC_MICD);
519
520 if (comp & WM8350_EXT_USB_FB_EINT)
521 wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_USB_FB);
522 if (comp & WM8350_EXT_WALL_FB_EINT)
523 wm8350_irq_call_handler(wm8350,
524 WM8350_IRQ_EXT_WALL_FB);
525 if (comp & WM8350_EXT_BAT_FB_EINT)
526 wm8350_irq_call_handler(wm8350, WM8350_IRQ_EXT_BAT_FB);
527 }
528
529 if (level_one & WM8350_GP_INT) {
530 int i;
531 u16 gpio;
532
533 gpio = wm8350_reg_read(wm8350, WM8350_GPIO_INT_STATUS);
534 gpio &= ~wm8350_reg_read(wm8350,
535 WM8350_GPIO_INT_STATUS_MASK);
536
537 for (i = 0; i < 12; i++) {
538 if (gpio & (1 << i))
539 wm8350_irq_call_handler(wm8350,
540 WM8350_IRQ_GPIO(i));
541 }
542 }
543
544 enable_irq(wm8350->chip_irq);
545}
546
547static irqreturn_t wm8350_irq(int irq, void *data)
548{
549 struct wm8350 *wm8350 = data;
550
551 disable_irq_nosync(irq);
552 schedule_work(&wm8350->irq_work);
553
554 return IRQ_HANDLED;
555}
556
557int wm8350_register_irq(struct wm8350 *wm8350, int irq,
558 void (*handler) (struct wm8350 *, int, void *),
559 void *data)
560{
561 if (irq < 0 || irq > WM8350_NUM_IRQ || !handler)
562 return -EINVAL;
563
564 if (wm8350->irq[irq].handler)
565 return -EBUSY;
566
567 mutex_lock(&wm8350->irq_mutex);
568 wm8350->irq[irq].handler = handler;
569 wm8350->irq[irq].data = data;
570 mutex_unlock(&wm8350->irq_mutex);
571
572 return 0;
573}
574EXPORT_SYMBOL_GPL(wm8350_register_irq);
575
576int wm8350_free_irq(struct wm8350 *wm8350, int irq)
577{
578 if (irq < 0 || irq > WM8350_NUM_IRQ)
579 return -EINVAL;
580
581 mutex_lock(&wm8350->irq_mutex);
582 wm8350->irq[irq].handler = NULL;
583 mutex_unlock(&wm8350->irq_mutex);
584 return 0;
585}
586EXPORT_SYMBOL_GPL(wm8350_free_irq);
587
588int wm8350_mask_irq(struct wm8350 *wm8350, int irq)
589{
590 switch (irq) {
591 case WM8350_IRQ_CHG_BAT_HOT:
592 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
593 WM8350_IM_CHG_BAT_HOT_EINT);
594 case WM8350_IRQ_CHG_BAT_COLD:
595 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
596 WM8350_IM_CHG_BAT_COLD_EINT);
597 case WM8350_IRQ_CHG_BAT_FAIL:
598 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
599 WM8350_IM_CHG_BAT_FAIL_EINT);
600 case WM8350_IRQ_CHG_TO:
601 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
602 WM8350_IM_CHG_TO_EINT);
603 case WM8350_IRQ_CHG_END:
604 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
605 WM8350_IM_CHG_END_EINT);
606 case WM8350_IRQ_CHG_START:
607 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
608 WM8350_IM_CHG_START_EINT);
609 case WM8350_IRQ_CHG_FAST_RDY:
610 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
611 WM8350_IM_CHG_FAST_RDY_EINT);
612 case WM8350_IRQ_RTC_PER:
613 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
614 WM8350_IM_RTC_PER_EINT);
615 case WM8350_IRQ_RTC_SEC:
616 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
617 WM8350_IM_RTC_SEC_EINT);
618 case WM8350_IRQ_RTC_ALM:
619 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
620 WM8350_IM_RTC_ALM_EINT);
621 case WM8350_IRQ_CHG_VBATT_LT_3P9:
622 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
623 WM8350_IM_CHG_VBATT_LT_3P9_EINT);
624 case WM8350_IRQ_CHG_VBATT_LT_3P1:
625 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
626 WM8350_IM_CHG_VBATT_LT_3P1_EINT);
627 case WM8350_IRQ_CHG_VBATT_LT_2P85:
628 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_1_MASK,
629 WM8350_IM_CHG_VBATT_LT_2P85_EINT);
630 case WM8350_IRQ_CS1:
631 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
632 WM8350_IM_CS1_EINT);
633 case WM8350_IRQ_CS2:
634 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
635 WM8350_IM_CS2_EINT);
636 case WM8350_IRQ_USB_LIMIT:
637 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
638 WM8350_IM_USB_LIMIT_EINT);
639 case WM8350_IRQ_AUXADC_DATARDY:
640 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
641 WM8350_IM_AUXADC_DATARDY_EINT);
642 case WM8350_IRQ_AUXADC_DCOMP4:
643 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
644 WM8350_IM_AUXADC_DCOMP4_EINT);
645 case WM8350_IRQ_AUXADC_DCOMP3:
646 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
647 WM8350_IM_AUXADC_DCOMP3_EINT);
648 case WM8350_IRQ_AUXADC_DCOMP2:
649 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
650 WM8350_IM_AUXADC_DCOMP2_EINT);
651 case WM8350_IRQ_AUXADC_DCOMP1:
652 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
653 WM8350_IM_AUXADC_DCOMP1_EINT);
654 case WM8350_IRQ_SYS_HYST_COMP_FAIL:
655 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
656 WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
657 case WM8350_IRQ_SYS_CHIP_GT115:
658 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
659 WM8350_IM_SYS_CHIP_GT115_EINT);
660 case WM8350_IRQ_SYS_CHIP_GT140:
661 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
662 WM8350_IM_SYS_CHIP_GT140_EINT);
663 case WM8350_IRQ_SYS_WDOG_TO:
664 return wm8350_set_bits(wm8350, WM8350_INT_STATUS_2_MASK,
665 WM8350_IM_SYS_WDOG_TO_EINT);
666 case WM8350_IRQ_UV_LDO4:
667 return wm8350_set_bits(wm8350,
668 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
669 WM8350_IM_UV_LDO4_EINT);
670 case WM8350_IRQ_UV_LDO3:
671 return wm8350_set_bits(wm8350,
672 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
673 WM8350_IM_UV_LDO3_EINT);
674 case WM8350_IRQ_UV_LDO2:
675 return wm8350_set_bits(wm8350,
676 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
677 WM8350_IM_UV_LDO2_EINT);
678 case WM8350_IRQ_UV_LDO1:
679 return wm8350_set_bits(wm8350,
680 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
681 WM8350_IM_UV_LDO1_EINT);
682 case WM8350_IRQ_UV_DC6:
683 return wm8350_set_bits(wm8350,
684 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
685 WM8350_IM_UV_DC6_EINT);
686 case WM8350_IRQ_UV_DC5:
687 return wm8350_set_bits(wm8350,
688 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
689 WM8350_IM_UV_DC5_EINT);
690 case WM8350_IRQ_UV_DC4:
691 return wm8350_set_bits(wm8350,
692 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
693 WM8350_IM_UV_DC4_EINT);
694 case WM8350_IRQ_UV_DC3:
695 return wm8350_set_bits(wm8350,
696 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
697 WM8350_IM_UV_DC3_EINT);
698 case WM8350_IRQ_UV_DC2:
699 return wm8350_set_bits(wm8350,
700 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
701 WM8350_IM_UV_DC2_EINT);
702 case WM8350_IRQ_UV_DC1:
703 return wm8350_set_bits(wm8350,
704 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
705 WM8350_IM_UV_DC1_EINT);
706 case WM8350_IRQ_OC_LS:
707 return wm8350_set_bits(wm8350,
708 WM8350_OVER_CURRENT_INT_STATUS_MASK,
709 WM8350_IM_OC_LS_EINT);
710 case WM8350_IRQ_EXT_USB_FB:
711 return wm8350_set_bits(wm8350,
712 WM8350_COMPARATOR_INT_STATUS_MASK,
713 WM8350_IM_EXT_USB_FB_EINT);
714 case WM8350_IRQ_EXT_WALL_FB:
715 return wm8350_set_bits(wm8350,
716 WM8350_COMPARATOR_INT_STATUS_MASK,
717 WM8350_IM_EXT_WALL_FB_EINT);
718 case WM8350_IRQ_EXT_BAT_FB:
719 return wm8350_set_bits(wm8350,
720 WM8350_COMPARATOR_INT_STATUS_MASK,
721 WM8350_IM_EXT_BAT_FB_EINT);
722 case WM8350_IRQ_CODEC_JCK_DET_L:
723 return wm8350_set_bits(wm8350,
724 WM8350_COMPARATOR_INT_STATUS_MASK,
725 WM8350_IM_CODEC_JCK_DET_L_EINT);
726 case WM8350_IRQ_CODEC_JCK_DET_R:
727 return wm8350_set_bits(wm8350,
728 WM8350_COMPARATOR_INT_STATUS_MASK,
729 WM8350_IM_CODEC_JCK_DET_R_EINT);
730 case WM8350_IRQ_CODEC_MICSCD:
731 return wm8350_set_bits(wm8350,
732 WM8350_COMPARATOR_INT_STATUS_MASK,
733 WM8350_IM_CODEC_MICSCD_EINT);
734 case WM8350_IRQ_CODEC_MICD:
735 return wm8350_set_bits(wm8350,
736 WM8350_COMPARATOR_INT_STATUS_MASK,
737 WM8350_IM_CODEC_MICD_EINT);
738 case WM8350_IRQ_WKUP_OFF_STATE:
739 return wm8350_set_bits(wm8350,
740 WM8350_COMPARATOR_INT_STATUS_MASK,
741 WM8350_IM_WKUP_OFF_STATE_EINT);
742 case WM8350_IRQ_WKUP_HIB_STATE:
743 return wm8350_set_bits(wm8350,
744 WM8350_COMPARATOR_INT_STATUS_MASK,
745 WM8350_IM_WKUP_HIB_STATE_EINT);
746 case WM8350_IRQ_WKUP_CONV_FAULT:
747 return wm8350_set_bits(wm8350,
748 WM8350_COMPARATOR_INT_STATUS_MASK,
749 WM8350_IM_WKUP_CONV_FAULT_EINT);
750 case WM8350_IRQ_WKUP_WDOG_RST:
751 return wm8350_set_bits(wm8350,
752 WM8350_COMPARATOR_INT_STATUS_MASK,
753 WM8350_IM_WKUP_OFF_STATE_EINT);
754 case WM8350_IRQ_WKUP_GP_PWR_ON:
755 return wm8350_set_bits(wm8350,
756 WM8350_COMPARATOR_INT_STATUS_MASK,
757 WM8350_IM_WKUP_GP_PWR_ON_EINT);
758 case WM8350_IRQ_WKUP_ONKEY:
759 return wm8350_set_bits(wm8350,
760 WM8350_COMPARATOR_INT_STATUS_MASK,
761 WM8350_IM_WKUP_ONKEY_EINT);
762 case WM8350_IRQ_WKUP_GP_WAKEUP:
763 return wm8350_set_bits(wm8350,
764 WM8350_COMPARATOR_INT_STATUS_MASK,
765 WM8350_IM_WKUP_GP_WAKEUP_EINT);
766 case WM8350_IRQ_GPIO(0):
767 return wm8350_set_bits(wm8350,
768 WM8350_GPIO_INT_STATUS_MASK,
769 WM8350_IM_GP0_EINT);
770 case WM8350_IRQ_GPIO(1):
771 return wm8350_set_bits(wm8350,
772 WM8350_GPIO_INT_STATUS_MASK,
773 WM8350_IM_GP1_EINT);
774 case WM8350_IRQ_GPIO(2):
775 return wm8350_set_bits(wm8350,
776 WM8350_GPIO_INT_STATUS_MASK,
777 WM8350_IM_GP2_EINT);
778 case WM8350_IRQ_GPIO(3):
779 return wm8350_set_bits(wm8350,
780 WM8350_GPIO_INT_STATUS_MASK,
781 WM8350_IM_GP3_EINT);
782 case WM8350_IRQ_GPIO(4):
783 return wm8350_set_bits(wm8350,
784 WM8350_GPIO_INT_STATUS_MASK,
785 WM8350_IM_GP4_EINT);
786 case WM8350_IRQ_GPIO(5):
787 return wm8350_set_bits(wm8350,
788 WM8350_GPIO_INT_STATUS_MASK,
789 WM8350_IM_GP5_EINT);
790 case WM8350_IRQ_GPIO(6):
791 return wm8350_set_bits(wm8350,
792 WM8350_GPIO_INT_STATUS_MASK,
793 WM8350_IM_GP6_EINT);
794 case WM8350_IRQ_GPIO(7):
795 return wm8350_set_bits(wm8350,
796 WM8350_GPIO_INT_STATUS_MASK,
797 WM8350_IM_GP7_EINT);
798 case WM8350_IRQ_GPIO(8):
799 return wm8350_set_bits(wm8350,
800 WM8350_GPIO_INT_STATUS_MASK,
801 WM8350_IM_GP8_EINT);
802 case WM8350_IRQ_GPIO(9):
803 return wm8350_set_bits(wm8350,
804 WM8350_GPIO_INT_STATUS_MASK,
805 WM8350_IM_GP9_EINT);
806 case WM8350_IRQ_GPIO(10):
807 return wm8350_set_bits(wm8350,
808 WM8350_GPIO_INT_STATUS_MASK,
809 WM8350_IM_GP10_EINT);
810 case WM8350_IRQ_GPIO(11):
811 return wm8350_set_bits(wm8350,
812 WM8350_GPIO_INT_STATUS_MASK,
813 WM8350_IM_GP11_EINT);
814 case WM8350_IRQ_GPIO(12):
815 return wm8350_set_bits(wm8350,
816 WM8350_GPIO_INT_STATUS_MASK,
817 WM8350_IM_GP12_EINT);
818 default:
819 dev_warn(wm8350->dev, "Attempting to mask unknown IRQ %d\n",
820 irq);
821 return -EINVAL;
822 }
823 return 0;
824}
825EXPORT_SYMBOL_GPL(wm8350_mask_irq);
826
827int wm8350_unmask_irq(struct wm8350 *wm8350, int irq)
828{
829 switch (irq) {
830 case WM8350_IRQ_CHG_BAT_HOT:
831 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
832 WM8350_IM_CHG_BAT_HOT_EINT);
833 case WM8350_IRQ_CHG_BAT_COLD:
834 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
835 WM8350_IM_CHG_BAT_COLD_EINT);
836 case WM8350_IRQ_CHG_BAT_FAIL:
837 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
838 WM8350_IM_CHG_BAT_FAIL_EINT);
839 case WM8350_IRQ_CHG_TO:
840 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
841 WM8350_IM_CHG_TO_EINT);
842 case WM8350_IRQ_CHG_END:
843 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
844 WM8350_IM_CHG_END_EINT);
845 case WM8350_IRQ_CHG_START:
846 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
847 WM8350_IM_CHG_START_EINT);
848 case WM8350_IRQ_CHG_FAST_RDY:
849 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
850 WM8350_IM_CHG_FAST_RDY_EINT);
851 case WM8350_IRQ_RTC_PER:
852 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
853 WM8350_IM_RTC_PER_EINT);
854 case WM8350_IRQ_RTC_SEC:
855 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
856 WM8350_IM_RTC_SEC_EINT);
857 case WM8350_IRQ_RTC_ALM:
858 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
859 WM8350_IM_RTC_ALM_EINT);
860 case WM8350_IRQ_CHG_VBATT_LT_3P9:
861 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
862 WM8350_IM_CHG_VBATT_LT_3P9_EINT);
863 case WM8350_IRQ_CHG_VBATT_LT_3P1:
864 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
865 WM8350_IM_CHG_VBATT_LT_3P1_EINT);
866 case WM8350_IRQ_CHG_VBATT_LT_2P85:
867 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_1_MASK,
868 WM8350_IM_CHG_VBATT_LT_2P85_EINT);
869 case WM8350_IRQ_CS1:
870 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
871 WM8350_IM_CS1_EINT);
872 case WM8350_IRQ_CS2:
873 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
874 WM8350_IM_CS2_EINT);
875 case WM8350_IRQ_USB_LIMIT:
876 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
877 WM8350_IM_USB_LIMIT_EINT);
878 case WM8350_IRQ_AUXADC_DATARDY:
879 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
880 WM8350_IM_AUXADC_DATARDY_EINT);
881 case WM8350_IRQ_AUXADC_DCOMP4:
882 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
883 WM8350_IM_AUXADC_DCOMP4_EINT);
884 case WM8350_IRQ_AUXADC_DCOMP3:
885 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
886 WM8350_IM_AUXADC_DCOMP3_EINT);
887 case WM8350_IRQ_AUXADC_DCOMP2:
888 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
889 WM8350_IM_AUXADC_DCOMP2_EINT);
890 case WM8350_IRQ_AUXADC_DCOMP1:
891 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
892 WM8350_IM_AUXADC_DCOMP1_EINT);
893 case WM8350_IRQ_SYS_HYST_COMP_FAIL:
894 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
895 WM8350_IM_SYS_HYST_COMP_FAIL_EINT);
896 case WM8350_IRQ_SYS_CHIP_GT115:
897 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
898 WM8350_IM_SYS_CHIP_GT115_EINT);
899 case WM8350_IRQ_SYS_CHIP_GT140:
900 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
901 WM8350_IM_SYS_CHIP_GT140_EINT);
902 case WM8350_IRQ_SYS_WDOG_TO:
903 return wm8350_clear_bits(wm8350, WM8350_INT_STATUS_2_MASK,
904 WM8350_IM_SYS_WDOG_TO_EINT);
905 case WM8350_IRQ_UV_LDO4:
906 return wm8350_clear_bits(wm8350,
907 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
908 WM8350_IM_UV_LDO4_EINT);
909 case WM8350_IRQ_UV_LDO3:
910 return wm8350_clear_bits(wm8350,
911 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
912 WM8350_IM_UV_LDO3_EINT);
913 case WM8350_IRQ_UV_LDO2:
914 return wm8350_clear_bits(wm8350,
915 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
916 WM8350_IM_UV_LDO2_EINT);
917 case WM8350_IRQ_UV_LDO1:
918 return wm8350_clear_bits(wm8350,
919 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
920 WM8350_IM_UV_LDO1_EINT);
921 case WM8350_IRQ_UV_DC6:
922 return wm8350_clear_bits(wm8350,
923 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
924 WM8350_IM_UV_DC6_EINT);
925 case WM8350_IRQ_UV_DC5:
926 return wm8350_clear_bits(wm8350,
927 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
928 WM8350_IM_UV_DC5_EINT);
929 case WM8350_IRQ_UV_DC4:
930 return wm8350_clear_bits(wm8350,
931 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
932 WM8350_IM_UV_DC4_EINT);
933 case WM8350_IRQ_UV_DC3:
934 return wm8350_clear_bits(wm8350,
935 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
936 WM8350_IM_UV_DC3_EINT);
937 case WM8350_IRQ_UV_DC2:
938 return wm8350_clear_bits(wm8350,
939 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
940 WM8350_IM_UV_DC2_EINT);
941 case WM8350_IRQ_UV_DC1:
942 return wm8350_clear_bits(wm8350,
943 WM8350_UNDER_VOLTAGE_INT_STATUS_MASK,
944 WM8350_IM_UV_DC1_EINT);
945 case WM8350_IRQ_OC_LS:
946 return wm8350_clear_bits(wm8350,
947 WM8350_OVER_CURRENT_INT_STATUS_MASK,
948 WM8350_IM_OC_LS_EINT);
949 case WM8350_IRQ_EXT_USB_FB:
950 return wm8350_clear_bits(wm8350,
951 WM8350_COMPARATOR_INT_STATUS_MASK,
952 WM8350_IM_EXT_USB_FB_EINT);
953 case WM8350_IRQ_EXT_WALL_FB:
954 return wm8350_clear_bits(wm8350,
955 WM8350_COMPARATOR_INT_STATUS_MASK,
956 WM8350_IM_EXT_WALL_FB_EINT);
957 case WM8350_IRQ_EXT_BAT_FB:
958 return wm8350_clear_bits(wm8350,
959 WM8350_COMPARATOR_INT_STATUS_MASK,
960 WM8350_IM_EXT_BAT_FB_EINT);
961 case WM8350_IRQ_CODEC_JCK_DET_L:
962 return wm8350_clear_bits(wm8350,
963 WM8350_COMPARATOR_INT_STATUS_MASK,
964 WM8350_IM_CODEC_JCK_DET_L_EINT);
965 case WM8350_IRQ_CODEC_JCK_DET_R:
966 return wm8350_clear_bits(wm8350,
967 WM8350_COMPARATOR_INT_STATUS_MASK,
968 WM8350_IM_CODEC_JCK_DET_R_EINT);
969 case WM8350_IRQ_CODEC_MICSCD:
970 return wm8350_clear_bits(wm8350,
971 WM8350_COMPARATOR_INT_STATUS_MASK,
972 WM8350_IM_CODEC_MICSCD_EINT);
973 case WM8350_IRQ_CODEC_MICD:
974 return wm8350_clear_bits(wm8350,
975 WM8350_COMPARATOR_INT_STATUS_MASK,
976 WM8350_IM_CODEC_MICD_EINT);
977 case WM8350_IRQ_WKUP_OFF_STATE:
978 return wm8350_clear_bits(wm8350,
979 WM8350_COMPARATOR_INT_STATUS_MASK,
980 WM8350_IM_WKUP_OFF_STATE_EINT);
981 case WM8350_IRQ_WKUP_HIB_STATE:
982 return wm8350_clear_bits(wm8350,
983 WM8350_COMPARATOR_INT_STATUS_MASK,
984 WM8350_IM_WKUP_HIB_STATE_EINT);
985 case WM8350_IRQ_WKUP_CONV_FAULT:
986 return wm8350_clear_bits(wm8350,
987 WM8350_COMPARATOR_INT_STATUS_MASK,
988 WM8350_IM_WKUP_CONV_FAULT_EINT);
989 case WM8350_IRQ_WKUP_WDOG_RST:
990 return wm8350_clear_bits(wm8350,
991 WM8350_COMPARATOR_INT_STATUS_MASK,
992 WM8350_IM_WKUP_OFF_STATE_EINT);
993 case WM8350_IRQ_WKUP_GP_PWR_ON:
994 return wm8350_clear_bits(wm8350,
995 WM8350_COMPARATOR_INT_STATUS_MASK,
996 WM8350_IM_WKUP_GP_PWR_ON_EINT);
997 case WM8350_IRQ_WKUP_ONKEY:
998 return wm8350_clear_bits(wm8350,
999 WM8350_COMPARATOR_INT_STATUS_MASK,
1000 WM8350_IM_WKUP_ONKEY_EINT);
1001 case WM8350_IRQ_WKUP_GP_WAKEUP:
1002 return wm8350_clear_bits(wm8350,
1003 WM8350_COMPARATOR_INT_STATUS_MASK,
1004 WM8350_IM_WKUP_GP_WAKEUP_EINT);
1005 case WM8350_IRQ_GPIO(0):
1006 return wm8350_clear_bits(wm8350,
1007 WM8350_GPIO_INT_STATUS_MASK,
1008 WM8350_IM_GP0_EINT);
1009 case WM8350_IRQ_GPIO(1):
1010 return wm8350_clear_bits(wm8350,
1011 WM8350_GPIO_INT_STATUS_MASK,
1012 WM8350_IM_GP1_EINT);
1013 case WM8350_IRQ_GPIO(2):
1014 return wm8350_clear_bits(wm8350,
1015 WM8350_GPIO_INT_STATUS_MASK,
1016 WM8350_IM_GP2_EINT);
1017 case WM8350_IRQ_GPIO(3):
1018 return wm8350_clear_bits(wm8350,
1019 WM8350_GPIO_INT_STATUS_MASK,
1020 WM8350_IM_GP3_EINT);
1021 case WM8350_IRQ_GPIO(4):
1022 return wm8350_clear_bits(wm8350,
1023 WM8350_GPIO_INT_STATUS_MASK,
1024 WM8350_IM_GP4_EINT);
1025 case WM8350_IRQ_GPIO(5):
1026 return wm8350_clear_bits(wm8350,
1027 WM8350_GPIO_INT_STATUS_MASK,
1028 WM8350_IM_GP5_EINT);
1029 case WM8350_IRQ_GPIO(6):
1030 return wm8350_clear_bits(wm8350,
1031 WM8350_GPIO_INT_STATUS_MASK,
1032 WM8350_IM_GP6_EINT);
1033 case WM8350_IRQ_GPIO(7):
1034 return wm8350_clear_bits(wm8350,
1035 WM8350_GPIO_INT_STATUS_MASK,
1036 WM8350_IM_GP7_EINT);
1037 case WM8350_IRQ_GPIO(8):
1038 return wm8350_clear_bits(wm8350,
1039 WM8350_GPIO_INT_STATUS_MASK,
1040 WM8350_IM_GP8_EINT);
1041 case WM8350_IRQ_GPIO(9):
1042 return wm8350_clear_bits(wm8350,
1043 WM8350_GPIO_INT_STATUS_MASK,
1044 WM8350_IM_GP9_EINT);
1045 case WM8350_IRQ_GPIO(10):
1046 return wm8350_clear_bits(wm8350,
1047 WM8350_GPIO_INT_STATUS_MASK,
1048 WM8350_IM_GP10_EINT);
1049 case WM8350_IRQ_GPIO(11):
1050 return wm8350_clear_bits(wm8350,
1051 WM8350_GPIO_INT_STATUS_MASK,
1052 WM8350_IM_GP11_EINT);
1053 case WM8350_IRQ_GPIO(12):
1054 return wm8350_clear_bits(wm8350,
1055 WM8350_GPIO_INT_STATUS_MASK,
1056 WM8350_IM_GP12_EINT);
1057 default:
1058 dev_warn(wm8350->dev, "Attempting to unmask unknown IRQ %d\n",
1059 irq);
1060 return -EINVAL;
1061 }
1062 return 0;
1063}
1064EXPORT_SYMBOL_GPL(wm8350_unmask_irq);
1065
324/* 1066/*
325 * Cache is always host endian. 1067 * Cache is always host endian.
326 */ 1068 */
@@ -388,11 +1130,12 @@ out:
388} 1130}
389EXPORT_SYMBOL_GPL(wm8350_create_cache); 1131EXPORT_SYMBOL_GPL(wm8350_create_cache);
390 1132
391int wm8350_device_init(struct wm8350 *wm8350, 1133int wm8350_device_init(struct wm8350 *wm8350, int irq,
392 struct wm8350_platform_data *pdata) 1134 struct wm8350_platform_data *pdata)
393{ 1135{
394 int ret = -EINVAL; 1136 int ret = -EINVAL;
395 u16 id1, id2, mask, mode; 1137 u16 id1, id2, mask, mode;
1138 int i;
396 1139
397 /* get WM8350 revision and config mode */ 1140 /* get WM8350 revision and config mode */
398 wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1); 1141 wm8350->read_dev(wm8350, WM8350_RESET_ID, sizeof(id1), &id1);
@@ -401,9 +1144,7 @@ int wm8350_device_init(struct wm8350 *wm8350,
401 id1 = be16_to_cpu(id1); 1144 id1 = be16_to_cpu(id1);
402 id2 = be16_to_cpu(id2); 1145 id2 = be16_to_cpu(id2);
403 1146
404 if (id1 == 0x0) 1147 if (id1 == 0x6143) {
405 dev_info(wm8350->dev, "Found Rev C device\n");
406 else if (id1 == 0x6143) {
407 switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) { 1148 switch ((id2 & WM8350_CHIP_REV_MASK) >> 12) {
408 case WM8350_REV_E: 1149 case WM8350_REV_E:
409 dev_info(wm8350->dev, "Found Rev E device\n"); 1150 dev_info(wm8350->dev, "Found Rev E device\n");
@@ -449,6 +1190,24 @@ int wm8350_device_init(struct wm8350 *wm8350,
449 } 1190 }
450 } 1191 }
451 1192
1193 mutex_init(&wm8350->irq_mutex);
1194 INIT_WORK(&wm8350->irq_work, wm8350_irq_worker);
1195 if (irq != NO_IRQ) {
1196 ret = request_irq(irq, wm8350_irq, 0,
1197 "wm8350", wm8350);
1198 if (ret != 0) {
1199 dev_err(wm8350->dev, "Failed to request IRQ: %d\n",
1200 ret);
1201 goto err;
1202 }
1203 } else {
1204 dev_err(wm8350->dev, "No IRQ configured\n");
1205 goto err;
1206 }
1207 wm8350->chip_irq = irq;
1208
1209 wm8350_reg_write(wm8350, WM8350_SYSTEM_INTERRUPTS_MASK, 0x0);
1210
452 return 0; 1211 return 0;
453 1212
454err: 1213err:
@@ -459,8 +1218,11 @@ EXPORT_SYMBOL_GPL(wm8350_device_init);
459 1218
460void wm8350_device_exit(struct wm8350 *wm8350) 1219void wm8350_device_exit(struct wm8350 *wm8350)
461{ 1220{
1221 free_irq(wm8350->chip_irq, wm8350);
1222 flush_work(&wm8350->irq_work);
462 kfree(wm8350->reg_cache); 1223 kfree(wm8350->reg_cache);
463} 1224}
464EXPORT_SYMBOL_GPL(wm8350_device_exit); 1225EXPORT_SYMBOL_GPL(wm8350_device_exit);
465 1226
1227MODULE_DESCRIPTION("WM8350 AudioPlus PMIC core driver");
466MODULE_LICENSE("GPL"); 1228MODULE_LICENSE("GPL");
diff --git a/drivers/mfd/wm8350-i2c.c b/drivers/mfd/wm8350-i2c.c
index 245b790961aa..8dfe21bb3bd1 100644
--- a/drivers/mfd/wm8350-i2c.c
+++ b/drivers/mfd/wm8350-i2c.c
@@ -65,7 +65,7 @@ static int wm8350_i2c_probe(struct i2c_client *i2c,
65 wm8350->read_dev = wm8350_i2c_read_device; 65 wm8350->read_dev = wm8350_i2c_read_device;
66 wm8350->write_dev = wm8350_i2c_write_device; 66 wm8350->write_dev = wm8350_i2c_write_device;
67 67
68 ret = wm8350_device_init(wm8350, i2c->dev.platform_data); 68 ret = wm8350_device_init(wm8350, i2c->irq, i2c->dev.platform_data);
69 if (ret < 0) 69 if (ret < 0)
70 goto err; 70 goto err;
71 71
generated by cgit v1.2.2 (git 2.25.0) at 2024-10-26 00:34:35 -0400