es8326.c (0663286e58e6f611f3578b5e63e1faa576d139fd) es8326.c (04f96c9340463aae20d2511a3d6cb0b005b07d24)
1// SPDX-License-Identifier: GPL-2.0-only
2//
3// es8326.c -- es8326 ALSA SoC audio driver
4// Copyright Everest Semiconductor Co., Ltd
5//
6// Authors: David Yang <yangxiaohua@everest-semi.com>
7//
8

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36 u8 jack_pol;
37 u8 interrupt_src;
38 u8 interrupt_clk;
39 bool jd_inverted;
40 unsigned int sysclk;
41
42 bool calibrated;
43 int version;
1// SPDX-License-Identifier: GPL-2.0-only
2//
3// es8326.c -- es8326 ALSA SoC audio driver
4// Copyright Everest Semiconductor Co., Ltd
5//
6// Authors: David Yang <yangxiaohua@everest-semi.com>
7//
8

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36 u8 jack_pol;
37 u8 interrupt_src;
38 u8 interrupt_clk;
39 bool jd_inverted;
40 unsigned int sysclk;
41
42 bool calibrated;
43 int version;
44 int hp;
45 int jack_remove_retry;
44};
45
46static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0);
47static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9550, 50, 0);
48static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_analog_pga_tlv, 0, 300, 0);
49static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_pga_tlv, 0, 600, 0);
50static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(softramp_rate, 0, 100, 0);
51static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_target_tlv, -3200, 200, 0);

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530 mutex_lock(&es8326->lock);
531 iface = snd_soc_component_read(comp, ES8326_HPDET_STA);
532 switch (iface) {
533 case 0x93:
534 /* pause button detected */
535 cur_button = SND_JACK_BTN_0;
536 break;
537 case 0x6f:
46};
47
48static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9550, 50, 0);
49static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9550, 50, 0);
50static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_analog_pga_tlv, 0, 300, 0);
51static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_pga_tlv, 0, 600, 0);
52static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(softramp_rate, 0, 100, 0);
53static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(drc_target_tlv, -3200, 200, 0);

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532 mutex_lock(&es8326->lock);
533 iface = snd_soc_component_read(comp, ES8326_HPDET_STA);
534 switch (iface) {
535 case 0x93:
536 /* pause button detected */
537 cur_button = SND_JACK_BTN_0;
538 break;
539 case 0x6f:
540 case 0x4b:
538 /* button volume up */
539 cur_button = SND_JACK_BTN_1;
540 break;
541 case 0x27:
542 /* button volume down */
543 cur_button = SND_JACK_BTN_2;
544 break;
545 case 0x1e:
541 /* button volume up */
542 cur_button = SND_JACK_BTN_1;
543 break;
544 case 0x27:
545 /* button volume down */
546 cur_button = SND_JACK_BTN_2;
547 break;
548 case 0x1e:
549 case 0xe2:
546 /* button released or not pressed */
547 cur_button = 0;
548 break;
549 default:
550 break;
551 }
552
553 if ((prev_button == cur_button) && (cur_button != 0)) {
554 press_count++;
550 /* button released or not pressed */
551 cur_button = 0;
552 break;
553 default:
554 break;
555 }
556
557 if ((prev_button == cur_button) && (cur_button != 0)) {
558 press_count++;
555 if (press_count > 10) {
556 /* report a press every 500ms */
559 if (press_count > 3) {
560 /* report a press every 120ms */
557 snd_soc_jack_report(es8326->jack, cur_button,
558 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
559 press_count = 0;
560 }
561 button_to_report = cur_button;
562 queue_delayed_work(system_wq, &es8326->button_press_work,
561 snd_soc_jack_report(es8326->jack, cur_button,
562 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
563 press_count = 0;
564 }
565 button_to_report = cur_button;
566 queue_delayed_work(system_wq, &es8326->button_press_work,
563 msecs_to_jiffies(50));
567 msecs_to_jiffies(35));
564 } else if (prev_button != cur_button) {
565 /* mismatch, detect again */
566 prev_button = cur_button;
567 queue_delayed_work(system_wq, &es8326->button_press_work,
568 } else if (prev_button != cur_button) {
569 /* mismatch, detect again */
570 prev_button = cur_button;
571 queue_delayed_work(system_wq, &es8326->button_press_work,
568 msecs_to_jiffies(50));
572 msecs_to_jiffies(35));
569 } else {
570 /* released or no pressed */
571 if (button_to_report != 0) {
572 snd_soc_jack_report(es8326->jack, button_to_report,
573 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
574 snd_soc_jack_report(es8326->jack, 0,
575 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
576 button_to_report = 0;

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584 struct es8326_priv *es8326 =
585 container_of(work, struct es8326_priv, jack_detect_work.work);
586 struct snd_soc_component *comp = es8326->component;
587 unsigned int iface;
588
589 mutex_lock(&es8326->lock);
590 iface = snd_soc_component_read(comp, ES8326_HPDET_STA);
591 dev_dbg(comp->dev, "gpio flag %#04x", iface);
573 } else {
574 /* released or no pressed */
575 if (button_to_report != 0) {
576 snd_soc_jack_report(es8326->jack, button_to_report,
577 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
578 snd_soc_jack_report(es8326->jack, 0,
579 SND_JACK_BTN_0 | SND_JACK_BTN_1 | SND_JACK_BTN_2);
580 button_to_report = 0;

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588 struct es8326_priv *es8326 =
589 container_of(work, struct es8326_priv, jack_detect_work.work);
590 struct snd_soc_component *comp = es8326->component;
591 unsigned int iface;
592
593 mutex_lock(&es8326->lock);
594 iface = snd_soc_component_read(comp, ES8326_HPDET_STA);
595 dev_dbg(comp->dev, "gpio flag %#04x", iface);
596
597 if (es8326->jack_remove_retry == 1) {
598 if (iface & ES8326_HPINSERT_FLAG)
599 es8326->jack_remove_retry = 2;
600 else
601 es8326->jack_remove_retry = 0;
602
603 dev_dbg(comp->dev, "remove event check, set HPJACK_POL normal, cnt = %d\n",
604 es8326->jack_remove_retry);
605 /*
606 * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event
607 */
608 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE,
609 ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ?
610 ~es8326->jack_pol : es8326->jack_pol));
611 goto exit;
612 }
613
592 if ((iface & ES8326_HPINSERT_FLAG) == 0) {
593 /* Jack unplugged or spurious IRQ */
614 if ((iface & ES8326_HPINSERT_FLAG) == 0) {
615 /* Jack unplugged or spurious IRQ */
594 dev_dbg(comp->dev, "No headset detected");
616 dev_dbg(comp->dev, "No headset detected\n");
617 es8326_disable_micbias(es8326->component);
595 if (es8326->jack->status & SND_JACK_HEADPHONE) {
618 if (es8326->jack->status & SND_JACK_HEADPHONE) {
619 dev_dbg(comp->dev, "Report hp remove event\n");
596 snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
620 snd_soc_jack_report(es8326->jack, 0, SND_JACK_HEADSET);
597 snd_soc_component_write(comp, ES8326_ADC1_SRC, es8326->mic2_src);
598 es8326_disable_micbias(comp);
621 /* mute adc when mic path switch */
622 regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33);
623 regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x44);
624 regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x66);
625 es8326->hp = 0;
599 }
626 }
627 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01);
628 /*
629 * Inverted HPJACK_POL bit to trigger one IRQ to double check HP Removal event
630 */
631 if (es8326->jack_remove_retry == 0) {
632 es8326->jack_remove_retry = 1;
633 dev_dbg(comp->dev, "remove event check, invert HPJACK_POL, cnt = %d\n",
634 es8326->jack_remove_retry);
635 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE,
636 ES8326_HP_DET_JACK_POL, (es8326->jd_inverted ?
637 es8326->jack_pol : ~es8326->jack_pol));
638
639 } else {
640 es8326->jack_remove_retry = 0;
641 }
600 } else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) {
642 } else if ((iface & ES8326_HPINSERT_FLAG) == ES8326_HPINSERT_FLAG) {
643 es8326->jack_remove_retry = 0;
644 if (es8326->hp == 0) {
645 dev_dbg(comp->dev, "First insert, start OMTP/CTIA type check\n");
646 /*
647 * set auto-check mode, then restart jack_detect_work after 100ms.
648 * Don't report jack status.
649 */
650 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x01);
651 usleep_range(50000, 70000);
652 regmap_update_bits(es8326->regmap, ES8326_HPDET_TYPE, 0x03, 0x00);
653 queue_delayed_work(system_wq, &es8326->jack_detect_work,
654 msecs_to_jiffies(100));
655 es8326->hp = 1;
656 goto exit;
657 }
601 if (es8326->jack->status & SND_JACK_HEADSET) {
602 /* detect button */
658 if (es8326->jack->status & SND_JACK_HEADSET) {
659 /* detect button */
660 dev_dbg(comp->dev, "button pressed\n");
603 queue_delayed_work(system_wq, &es8326->button_press_work, 10);
661 queue_delayed_work(system_wq, &es8326->button_press_work, 10);
662 goto exit;
663 }
664 if ((iface & ES8326_HPBUTTON_FLAG) == 0x01) {
665 dev_dbg(comp->dev, "Headphone detected\n");
666 snd_soc_jack_report(es8326->jack,
667 SND_JACK_HEADPHONE, SND_JACK_HEADSET);
604 } else {
668 } else {
605 if ((iface & ES8326_HPBUTTON_FLAG) == 0x00) {
606 dev_dbg(comp->dev, "Headset detected");
607 snd_soc_jack_report(es8326->jack,
608 SND_JACK_HEADSET, SND_JACK_HEADSET);
609 snd_soc_component_write(comp,
610 ES8326_ADC1_SRC, es8326->mic1_src);
611 } else {
612 dev_dbg(comp->dev, "Headphone detected");
613 snd_soc_jack_report(es8326->jack,
614 SND_JACK_HEADPHONE, SND_JACK_HEADSET);
615 }
669 dev_dbg(comp->dev, "Headset detected\n");
670 snd_soc_jack_report(es8326->jack,
671 SND_JACK_HEADSET, SND_JACK_HEADSET);
672
673 regmap_write(es8326->regmap, ES8326_ADC_SCALE, 0x33);
674 regmap_update_bits(es8326->regmap, ES8326_PGA_PDN,
675 0x08, 0x08);
676 regmap_update_bits(es8326->regmap, ES8326_PGAGAIN,
677 0x80, 0x80);
678 regmap_write(es8326->regmap, ES8326_ADC1_SRC, 0x00);
679 regmap_write(es8326->regmap, ES8326_ADC2_SRC, 0x00);
680 regmap_update_bits(es8326->regmap, ES8326_PGA_PDN,
681 0x08, 0x00);
682 usleep_range(10000, 15000);
616 }
617 }
683 }
684 }
685exit:
618 mutex_unlock(&es8326->lock);
619}
620
621static irqreturn_t es8326_irq(int irq, void *dev_id)
622{
623 struct es8326_priv *es8326 = dev_id;
624 struct snd_soc_component *comp = es8326->component;
625
626 if (!es8326->jack)
627 goto out;
628
629 es8326_enable_micbias(comp);
630
631 if (es8326->jack->status & SND_JACK_HEADSET)
632 queue_delayed_work(system_wq, &es8326->jack_detect_work,
633 msecs_to_jiffies(10));
634 else
635 queue_delayed_work(system_wq, &es8326->jack_detect_work,
686 mutex_unlock(&es8326->lock);
687}
688
689static irqreturn_t es8326_irq(int irq, void *dev_id)
690{
691 struct es8326_priv *es8326 = dev_id;
692 struct snd_soc_component *comp = es8326->component;
693
694 if (!es8326->jack)
695 goto out;
696
697 es8326_enable_micbias(comp);
698
699 if (es8326->jack->status & SND_JACK_HEADSET)
700 queue_delayed_work(system_wq, &es8326->jack_detect_work,
701 msecs_to_jiffies(10));
702 else
703 queue_delayed_work(system_wq, &es8326->jack_detect_work,
636 msecs_to_jiffies(300));
704 msecs_to_jiffies(600));
637
638out:
639 return IRQ_HANDLED;
640}
641
642static int es8326_calibrate(struct snd_soc_component *component)
643{
644 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);

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758 regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK,
759 ES8326_MUTE);
760
761 regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 |
762 ((es8326->version == ES8326_VERSION_B) ?
763 (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) :
764 (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04)));
765
705
706out:
707 return IRQ_HANDLED;
708}
709
710static int es8326_calibrate(struct snd_soc_component *component)
711{
712 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);

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826 regmap_update_bits(es8326->regmap, ES8326_DAC_MUTE, ES8326_MUTE_MASK,
827 ES8326_MUTE);
828
829 regmap_write(es8326->regmap, ES8326_HPDET_TYPE, 0x80 |
830 ((es8326->version == ES8326_VERSION_B) ?
831 (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol) :
832 (ES8326_HP_DET_SRC_PIN9 | es8326->jack_pol | 0x04)));
833
766 es8326_irq(es8326->irq, es8326);
834 es8326->jack_remove_retry = 0;
835 es8326->hp = 0;
767 return 0;
768}
769
770static int es8326_suspend(struct snd_soc_component *component)
771{
772 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
773
774 cancel_delayed_work_sync(&es8326->jack_detect_work);

--- 218 unchanged lines hidden --- 		836 return 0;
837}
838
839static int es8326_suspend(struct snd_soc_component *component)
840{
841 struct es8326_priv *es8326 = snd_soc_component_get_drvdata(component);
842
843 cancel_delayed_work_sync(&es8326->jack_detect_work);

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