48 static int nau8825_configure_sysclk(struct nau8825 *nau8825,
257 static int nau8825_sema_acquire(struct nau8825 *nau8825, long timeout)  in nau8825_sema_acquire()  argument
262 		ret = down_timeout(&nau8825->xtalk_sem, timeout);  in nau8825_sema_acquire()
264 			dev_warn(nau8825->dev, "Acquire semaphore timeout\n");  in nau8825_sema_acquire()
266 		ret = down_trylock(&nau8825->xtalk_sem);  in nau8825_sema_acquire()
268 			dev_warn(nau8825->dev, "Acquire semaphore fail\n");  in nau8825_sema_acquire()
281 static inline void nau8825_sema_release(struct nau8825 *nau8825)  in nau8825_sema_release()  argument
283 	up(&nau8825->xtalk_sem);  in nau8825_sema_release()
293 static inline void nau8825_sema_reset(struct nau8825 *nau8825)  in nau8825_sema_reset()  argument
295 	nau8825->xtalk_sem.count = 1;  in nau8825_sema_reset()
311 static void nau8825_hpvol_ramp(struct nau8825 *nau8825,  in nau8825_hpvol_ramp()  argument
336 		regmap_update_bits(nau8825->regmap, NAU8825_REG_HSVOL_CTRL,  in nau8825_hpvol_ramp()
345 	regmap_update_bits(nau8825->regmap, NAU8825_REG_HSVOL_CTRL,  in nau8825_hpvol_ramp()
454 static void nau8825_xtalk_backup(struct nau8825 *nau8825)  in nau8825_xtalk_backup()  argument
458 	if (nau8825->xtalk_baktab_initialized)  in nau8825_xtalk_backup()
463 		regmap_read(nau8825->regmap, nau8825_xtalk_baktab[i].reg,  in nau8825_xtalk_backup()
466 	nau8825->xtalk_baktab_initialized = true;  in nau8825_xtalk_backup()
469 static void nau8825_xtalk_restore(struct nau8825 *nau8825, bool cause_cancel)  in nau8825_xtalk_restore()  argument
473 	if (!nau8825->xtalk_baktab_initialized)  in nau8825_xtalk_restore()
487 			nau8825_hpvol_ramp(nau8825, 0, volume, 3);  in nau8825_xtalk_restore()
490 		regmap_write(nau8825->regmap, nau8825_xtalk_baktab[i].reg,  in nau8825_xtalk_restore()
494 	nau8825->xtalk_baktab_initialized = false;  in nau8825_xtalk_restore()
497 static void nau8825_xtalk_prepare_dac(struct nau8825 *nau8825)  in nau8825_xtalk_prepare_dac()  argument
500 	regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,  in nau8825_xtalk_prepare_dac()
509 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP,  in nau8825_xtalk_prepare_dac()
513 	regmap_update_bits(nau8825->regmap, NAU8825_REG_RDAC,  in nau8825_xtalk_prepare_dac()
518 	regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL,  in nau8825_xtalk_prepare_dac()
523 	regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL,  in nau8825_xtalk_prepare_dac()
527 	regmap_update_bits(nau8825->regmap, NAU8825_REG_HSD_CTRL,  in nau8825_xtalk_prepare_dac()
530 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BOOST,  in nau8825_xtalk_prepare_dac()
533 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CLASSG_CTRL,  in nau8825_xtalk_prepare_dac()
538 static void nau8825_xtalk_prepare_adc(struct nau8825 *nau8825)  in nau8825_xtalk_prepare_adc()  argument
541 	regmap_update_bits(nau8825->regmap, NAU8825_REG_ANALOG_ADC_2,  in nau8825_xtalk_prepare_adc()
546 static void nau8825_xtalk_clock(struct nau8825 *nau8825)  in nau8825_xtalk_clock()  argument
549 	regmap_write(nau8825->regmap, NAU8825_REG_FLL1, 0x0);  in nau8825_xtalk_clock()
550 	regmap_write(nau8825->regmap, NAU8825_REG_FLL2, 0x3126);  in nau8825_xtalk_clock()
551 	regmap_write(nau8825->regmap, NAU8825_REG_FLL3, 0x0008);  in nau8825_xtalk_clock()
552 	regmap_write(nau8825->regmap, NAU8825_REG_FLL4, 0x0010);  in nau8825_xtalk_clock()
553 	regmap_write(nau8825->regmap, NAU8825_REG_FLL5, 0x0);  in nau8825_xtalk_clock()
554 	regmap_write(nau8825->regmap, NAU8825_REG_FLL6, 0x6000);  in nau8825_xtalk_clock()
556 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER,  in nau8825_xtalk_clock()
558 	regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL6, NAU8825_DCO_EN,  in nau8825_xtalk_clock()
563 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER,  in nau8825_xtalk_clock()
565 	regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL1,  in nau8825_xtalk_clock()
569 static void nau8825_xtalk_prepare(struct nau8825 *nau8825)  in nau8825_xtalk_prepare()  argument
574 	nau8825_xtalk_backup(nau8825);  in nau8825_xtalk_prepare()
576 	regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,  in nau8825_xtalk_prepare()
587 		nau8825_hpvol_ramp(nau8825, volume, 0, 3);  in nau8825_xtalk_prepare()
589 	nau8825_xtalk_clock(nau8825);  in nau8825_xtalk_prepare()
590 	nau8825_xtalk_prepare_dac(nau8825);  in nau8825_xtalk_prepare()
591 	nau8825_xtalk_prepare_adc(nau8825);  in nau8825_xtalk_prepare()
593 	regmap_update_bits(nau8825->regmap, NAU8825_REG_DACL_CTRL,  in nau8825_xtalk_prepare()
596 	regmap_update_bits(nau8825->regmap, NAU8825_REG_DACR_CTRL,  in nau8825_xtalk_prepare()
602 	regmap_update_bits(nau8825->regmap, NAU8825_REG_IMM_MODE_CTRL,  in nau8825_xtalk_prepare()
608 	regmap_update_bits(nau8825->regmap,  in nau8825_xtalk_prepare()
611 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP,  in nau8825_xtalk_prepare()
615 static void nau8825_xtalk_clean_dac(struct nau8825 *nau8825)  in nau8825_xtalk_clean_dac()  argument
618 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BOOST,  in nau8825_xtalk_clean_dac()
621 	regmap_update_bits(nau8825->regmap, NAU8825_REG_HSD_CTRL,  in nau8825_xtalk_clean_dac()
625 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP,  in nau8825_xtalk_clean_dac()
629 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_xtalk_clean_dac()
633 	regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL,  in nau8825_xtalk_clean_dac()
635 	regmap_update_bits(nau8825->regmap, NAU8825_REG_POWER_UP_CONTROL,  in nau8825_xtalk_clean_dac()
639 	regmap_update_bits(nau8825->regmap, NAU8825_REG_RDAC,  in nau8825_xtalk_clean_dac()
642 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP,  in nau8825_xtalk_clean_dac()
645 	regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,  in nau8825_xtalk_clean_dac()
648 	if (!nau8825->irq)  in nau8825_xtalk_clean_dac()
649 		regmap_update_bits(nau8825->regmap,  in nau8825_xtalk_clean_dac()
653 static void nau8825_xtalk_clean_adc(struct nau8825 *nau8825)  in nau8825_xtalk_clean_adc()  argument
656 	regmap_update_bits(nau8825->regmap, NAU8825_REG_ANALOG_ADC_2,  in nau8825_xtalk_clean_adc()
660 static void nau8825_xtalk_clean(struct nau8825 *nau8825, bool cause_cancel)  in nau8825_xtalk_clean()  argument
663 	nau8825_configure_sysclk(nau8825, NAU8825_CLK_INTERNAL, 0);  in nau8825_xtalk_clean()
664 	nau8825_xtalk_clean_dac(nau8825);  in nau8825_xtalk_clean()
665 	nau8825_xtalk_clean_adc(nau8825);  in nau8825_xtalk_clean()
667 	regmap_write(nau8825->regmap, NAU8825_REG_IMM_MODE_CTRL, 0);  in nau8825_xtalk_clean()
669 	regmap_update_bits(nau8825->regmap, NAU8825_REG_INTERRUPT_MASK,  in nau8825_xtalk_clean()
672 	regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,  in nau8825_xtalk_clean()
676 	nau8825_xtalk_restore(nau8825, cause_cancel);  in nau8825_xtalk_clean()
679 static void nau8825_xtalk_imm_start(struct nau8825 *nau8825, int vol)  in nau8825_xtalk_imm_start()  argument
682 	regmap_update_bits(nau8825->regmap, NAU8825_REG_ADC_DGAIN_CTRL,  in nau8825_xtalk_imm_start()
687 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_xtalk_imm_start()
690 	switch (nau8825->xtalk_state) {  in nau8825_xtalk_imm_start()
693 		regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_xtalk_imm_start()
699 		regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_xtalk_imm_start()
708 	regmap_update_bits(nau8825->regmap, NAU8825_REG_IMM_MODE_CTRL,  in nau8825_xtalk_imm_start()
712 static void nau8825_xtalk_imm_stop(struct nau8825 *nau8825)  in nau8825_xtalk_imm_stop()  argument
715 	regmap_update_bits(nau8825->regmap,  in nau8825_xtalk_imm_stop()
739 static void nau8825_xtalk_measure(struct nau8825 *nau8825)  in nau8825_xtalk_measure()  argument
743 	switch (nau8825->xtalk_state) {  in nau8825_xtalk_measure()
748 		nau8825_xtalk_prepare(nau8825);  in nau8825_xtalk_measure()
751 		nau8825->xtalk_state = NAU8825_XTALK_HPR_R2L;  in nau8825_xtalk_measure()
752 		nau8825_xtalk_imm_start(nau8825, 0x00d2);  in nau8825_xtalk_measure()
758 		regmap_read(nau8825->regmap, NAU8825_REG_IMM_RMS_L,  in nau8825_xtalk_measure()
759 			&nau8825->imp_rms[NAU8825_XTALK_HPR_R2L]);  in nau8825_xtalk_measure()
760 		dev_dbg(nau8825->dev, "HPR_R2L imm: %x\n",  in nau8825_xtalk_measure()
761 			nau8825->imp_rms[NAU8825_XTALK_HPR_R2L]);  in nau8825_xtalk_measure()
763 		nau8825_xtalk_imm_stop(nau8825);  in nau8825_xtalk_measure()
765 		nau8825->xtalk_state = NAU8825_XTALK_HPL_R2L;  in nau8825_xtalk_measure()
766 		nau8825_xtalk_imm_start(nau8825, 0x00ff);  in nau8825_xtalk_measure()
775 		regmap_read(nau8825->regmap, NAU8825_REG_IMM_RMS_L,  in nau8825_xtalk_measure()
776 			&nau8825->imp_rms[NAU8825_XTALK_HPL_R2L]);  in nau8825_xtalk_measure()
777 		dev_dbg(nau8825->dev, "HPL_R2L imm: %x\n",  in nau8825_xtalk_measure()
778 			nau8825->imp_rms[NAU8825_XTALK_HPL_R2L]);  in nau8825_xtalk_measure()
779 		nau8825_xtalk_imm_stop(nau8825);  in nau8825_xtalk_measure()
781 		nau8825->xtalk_state = NAU8825_XTALK_IMM;  in nau8825_xtalk_measure()
790 			nau8825->imp_rms[NAU8825_XTALK_HPR_R2L],  in nau8825_xtalk_measure()
791 			nau8825->imp_rms[NAU8825_XTALK_HPL_R2L]);  in nau8825_xtalk_measure()
792 		dev_dbg(nau8825->dev, "cross talk sidetone: %x\n", sidetone);  in nau8825_xtalk_measure()
793 		regmap_write(nau8825->regmap, NAU8825_REG_DAC_DGAIN_CTRL,  in nau8825_xtalk_measure()
795 		nau8825_xtalk_clean(nau8825, false);  in nau8825_xtalk_measure()
796 		nau8825->xtalk_state = NAU8825_XTALK_DONE;  in nau8825_xtalk_measure()
805 	struct nau8825 *nau8825 = container_of(  in nau8825_xtalk_work()  local
806 		work, struct nau8825, xtalk_work);  in nau8825_xtalk_work()
808 	nau8825_xtalk_measure(nau8825);  in nau8825_xtalk_work()
812 	if (nau8825->xtalk_state == NAU8825_XTALK_IMM)  in nau8825_xtalk_work()
813 		nau8825_xtalk_measure(nau8825);  in nau8825_xtalk_work()
821 	if (nau8825->xtalk_state == NAU8825_XTALK_DONE) {  in nau8825_xtalk_work()
822 		snd_soc_jack_report(nau8825->jack, nau8825->xtalk_event,  in nau8825_xtalk_work()
823 				nau8825->xtalk_event_mask);  in nau8825_xtalk_work()
824 		nau8825_sema_release(nau8825);  in nau8825_xtalk_work()
825 		nau8825->xtalk_protect = false;  in nau8825_xtalk_work()
829 static void nau8825_xtalk_cancel(struct nau8825 *nau8825)  in nau8825_xtalk_cancel()  argument
835 	if (nau8825->xtalk_enable && nau8825->xtalk_state !=  in nau8825_xtalk_cancel()
837 		cancel_work_sync(&nau8825->xtalk_work);  in nau8825_xtalk_cancel()
838 		nau8825_xtalk_clean(nau8825, true);  in nau8825_xtalk_cancel()
841 	nau8825_sema_reset(nau8825);  in nau8825_xtalk_cancel()
842 	nau8825->xtalk_state = NAU8825_XTALK_DONE;  in nau8825_xtalk_cancel()
843 	nau8825->xtalk_protect = false;  in nau8825_xtalk_cancel()
918 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_adc_event()  local
923 		regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,  in nau8825_adc_event()
927 		if (!nau8825->irq)  in nau8825_adc_event()
928 			regmap_update_bits(nau8825->regmap,  in nau8825_adc_event()
942 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_pump_event()  local
948 		regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP,  in nau8825_pump_event()
952 		regmap_update_bits(nau8825->regmap, NAU8825_REG_CHARGE_PUMP,  in nau8825_pump_event()
966 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_output_dac_event()  local
971 		regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_output_dac_event()
975 		regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_output_dac_event()
989 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in system_clock_control()  local
990 	struct regmap *regmap = nau8825->regmap;  in system_clock_control()
993 		dev_dbg(nau8825->dev, "system clock control : POWER OFF\n");  in system_clock_control()
1000 			nau8825_configure_sysclk(nau8825,  in system_clock_control()
1003 			nau8825_configure_sysclk(nau8825, NAU8825_CLK_DIS, 0);  in system_clock_control()
1251 nau8825_get_osr(struct nau8825 *nau8825, int stream)  in nau8825_get_osr()  argument
1256 		regmap_read(nau8825->regmap,  in nau8825_get_osr()
1263 		regmap_read(nau8825->regmap,  in nau8825_get_osr()
1276 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_dai_startup()  local
1279 	osr = nau8825_get_osr(nau8825, substream->stream);  in nau8825_dai_startup()
1293 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_hw_params()  local
1298 	nau8825_sema_acquire(nau8825, 3 * HZ);  in nau8825_hw_params()
1306 	osr = nau8825_get_osr(nau8825, substream->stream);  in nau8825_hw_params()
1312 		regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER,  in nau8825_hw_params()
1316 		regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER,  in nau8825_hw_params()
1321 	regmap_read(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2, &ctrl_val);  in nau8825_hw_params()
1333 		regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,  in nau8825_hw_params()
1355 	regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL1,  in nau8825_hw_params()
1361 	nau8825_sema_release(nau8825);  in nau8825_hw_params()
1369 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_set_dai_fmt()  local
1413 	nau8825_sema_acquire(nau8825, 3 * HZ);  in nau8825_set_dai_fmt()
1415 	regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL1,  in nau8825_set_dai_fmt()
1419 	regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,  in nau8825_set_dai_fmt()
1423 	nau8825_sema_release(nau8825);  in nau8825_set_dai_fmt()
1443 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_set_tdm_slot()  local
1447 		dev_err(nau8825->dev, "Only support 4 or 8 slots!\n");  in nau8825_set_tdm_slot()
1454 		dev_err(nau8825->dev,  in nau8825_set_tdm_slot()
1463 		dev_err(nau8825->dev,  in nau8825_set_tdm_slot()
1470 		regmap_update_bits(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL2,  in nau8825_set_tdm_slot()
1472 		regmap_read(nau8825->regmap, NAU8825_REG_I2S_PCM_CTRL1, &value);  in nau8825_set_tdm_slot()
1514 	regmap_update_bits(nau8825->regmap, NAU8825_REG_TDM_CTRL,  in nau8825_set_tdm_slot()
1518 	regmap_update_bits(nau8825->regmap, NAU8825_REG_LEFT_TIME_SLOT,  in nau8825_set_tdm_slot()
1567 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_enable_jack_detect()  local
1568 	struct regmap *regmap = nau8825->regmap;  in nau8825_enable_jack_detect()
1570 	nau8825->jack = jack;  in nau8825_enable_jack_detect()
1572 	if (!nau8825->jack) {  in nau8825_enable_jack_detect()
1633 static void nau8825_eject_jack(struct nau8825 *nau8825)  in nau8825_eject_jack()  argument
1635 	struct snd_soc_dapm_context *dapm = nau8825->dapm;  in nau8825_eject_jack()
1636 	struct regmap *regmap = nau8825->regmap;  in nau8825_eject_jack()
1639 	nau8825_xtalk_cancel(nau8825);  in nau8825_eject_jack()
1673 	nau8825_configure_sysclk(nau8825, NAU8825_CLK_DIS, 0);  in nau8825_eject_jack()
1677 static void nau8825_setup_auto_irq(struct nau8825 *nau8825)  in nau8825_setup_auto_irq()  argument
1679 	struct regmap *regmap = nau8825->regmap;  in nau8825_setup_auto_irq()
1688 	nau8825_configure_sysclk(nau8825, NAU8825_CLK_INTERNAL, 0);  in nau8825_setup_auto_irq()
1736 static int nau8825_jack_insert(struct nau8825 *nau8825)  in nau8825_jack_insert()  argument
1738 	struct regmap *regmap = nau8825->regmap;  in nau8825_jack_insert()
1739 	struct snd_soc_dapm_context *dapm = nau8825->dapm;  in nau8825_jack_insert()
1747 		nau8825->high_imped = true;  in nau8825_jack_insert()
1749 		nau8825->high_imped = false;  in nau8825_jack_insert()
1757 		dev_dbg(nau8825->dev, "OMTP (micgnd1) mic connected\n");  in nau8825_jack_insert()
1777 		dev_dbg(nau8825->dev, "CTIA (micgnd2) mic connected\n");  in nau8825_jack_insert()
1798 		dev_err(nau8825->dev, "detection error; disable mic function\n");  in nau8825_jack_insert()
1815 	struct nau8825 *nau8825 = (struct nau8825 *)data;  in nau8825_interrupt()  local
1816 	struct regmap *regmap = nau8825->regmap;  in nau8825_interrupt()
1820 		dev_err(nau8825->dev, "failed to read irq status\n");  in nau8825_interrupt()
1827 		nau8825_eject_jack(nau8825);  in nau8825_interrupt()
1839 		nau8825->button_pressed = nau8825_button_decode(  in nau8825_interrupt()
1842 		event |= nau8825->button_pressed;  in nau8825_interrupt()
1850 			event |= nau8825_jack_insert(nau8825);  in nau8825_interrupt()
1851 			if (nau8825->xtalk_enable && !nau8825->high_imped) {  in nau8825_interrupt()
1855 				if (!nau8825->xtalk_protect) {  in nau8825_interrupt()
1863 					nau8825->xtalk_protect = true;  in nau8825_interrupt()
1864 					ret = nau8825_sema_acquire(nau8825, 0);  in nau8825_interrupt()
1866 						nau8825->xtalk_protect = false;  in nau8825_interrupt()
1869 				if (nau8825->xtalk_protect) {  in nau8825_interrupt()
1870 					nau8825->xtalk_state =  in nau8825_interrupt()
1872 					schedule_work(&nau8825->xtalk_work);  in nau8825_interrupt()
1879 				if (nau8825->xtalk_protect) {  in nau8825_interrupt()
1880 					nau8825_sema_release(nau8825);  in nau8825_interrupt()
1881 					nau8825->xtalk_protect = false;  in nau8825_interrupt()
1885 			dev_warn(nau8825->dev, "Headset completion IRQ fired but no headset connected\n");  in nau8825_interrupt()
1886 			nau8825_eject_jack(nau8825);  in nau8825_interrupt()
1895 		if (nau8825->xtalk_state == NAU8825_XTALK_PREPARE) {  in nau8825_interrupt()
1896 			nau8825->xtalk_event = event;  in nau8825_interrupt()
1897 			nau8825->xtalk_event_mask = event_mask;  in nau8825_interrupt()
1901 		if (nau8825->xtalk_enable && nau8825->xtalk_protect)  in nau8825_interrupt()
1902 			schedule_work(&nau8825->xtalk_work);  in nau8825_interrupt()
1922 			nau8825_setup_auto_irq(nau8825);  in nau8825_interrupt()
1936 	if (event_mask && nau8825->xtalk_state == NAU8825_XTALK_DONE)  in nau8825_interrupt()
1937 		snd_soc_jack_report(nau8825->jack, event, event_mask);  in nau8825_interrupt()
1942 static void nau8825_setup_buttons(struct nau8825 *nau8825)  in nau8825_setup_buttons()  argument
1944 	struct regmap *regmap = nau8825->regmap;  in nau8825_setup_buttons()
1948 		nau8825->sar_voltage << NAU8825_SAR_TRACKING_GAIN_SFT);  in nau8825_setup_buttons()
1951 		nau8825->sar_compare_time << NAU8825_SAR_COMPARE_TIME_SFT);  in nau8825_setup_buttons()
1954 		nau8825->sar_sampling_time << NAU8825_SAR_SAMPLING_TIME_SFT);  in nau8825_setup_buttons()
1958 		(nau8825->sar_threshold_num - 1) << NAU8825_KEYDET_LEVELS_NR_SFT);  in nau8825_setup_buttons()
1961 		nau8825->sar_hysteresis << NAU8825_KEYDET_HYSTERESIS_SFT);  in nau8825_setup_buttons()
1964 		nau8825->key_debounce << NAU8825_KEYDET_SHORTKEY_DEBOUNCE_SFT);  in nau8825_setup_buttons()
1967 		(nau8825->sar_threshold[0] << 8) | nau8825->sar_threshold[1]);  in nau8825_setup_buttons()
1969 		(nau8825->sar_threshold[2] << 8) | nau8825->sar_threshold[3]);  in nau8825_setup_buttons()
1971 		(nau8825->sar_threshold[4] << 8) | nau8825->sar_threshold[5]);  in nau8825_setup_buttons()
1973 		(nau8825->sar_threshold[6] << 8) | nau8825->sar_threshold[7]);  in nau8825_setup_buttons()
1981 static void nau8825_init_regs(struct nau8825 *nau8825)  in nau8825_init_regs()  argument
1983 	struct regmap *regmap = nau8825->regmap;  in nau8825_init_regs()
1988 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_init_regs()
1990 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BOOST,  in nau8825_init_regs()
1996 		nau8825->vref_impedance << NAU8825_BIAS_VMID_SEL_SFT);  in nau8825_init_regs()
2006 		nau8825->jkdet_enable ? 0 : NAU8825_JKDET_OUTPUT_EN);  in nau8825_init_regs()
2009 		nau8825->jkdet_pull_enable ? 0 : NAU8825_JKDET_PULL_EN);  in nau8825_init_regs()
2012 		nau8825->jkdet_pull_up ? NAU8825_JKDET_PULL_UP : 0);  in nau8825_init_regs()
2016 		nau8825->jkdet_polarity ? 0 : NAU8825_JACK_POLARITY);  in nau8825_init_regs()
2020 		nau8825->jack_insert_debounce << NAU8825_JACK_INSERT_DEBOUNCE_SFT);  in nau8825_init_regs()
2023 		nau8825->jack_eject_debounce << NAU8825_JACK_EJECT_DEBOUNCE_SFT);  in nau8825_init_regs()
2033 		NAU8825_MICBIAS_VOLTAGE_MASK, nau8825->micbias_voltage);  in nau8825_init_regs()
2035 	if (nau8825->sar_threshold_num)  in nau8825_init_regs()
2036 		nau8825_setup_buttons(nau8825);  in nau8825_init_regs()
2054 	regmap_update_bits(nau8825->regmap, NAU8825_REG_BIAS_ADJ,  in nau8825_init_regs()
2076 	regmap_update_bits(nau8825->regmap, NAU8825_REG_DACL_CTRL,  in nau8825_init_regs()
2078 	regmap_update_bits(nau8825->regmap, NAU8825_REG_DACR_CTRL,  in nau8825_init_regs()
2086 			   nau8825->adcout_ds << NAU8825_ADCOUT_DS_SFT);  in nau8825_init_regs()
2105 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_component_probe()  local
2108 	nau8825->dapm = dapm;  in nau8825_component_probe()
2115 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_component_remove()  local
2118 	nau8825_xtalk_cancel(nau8825);  in nau8825_component_remove()
2187 static void nau8825_fll_apply(struct nau8825 *nau8825,  in nau8825_fll_apply()  argument
2190 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER,  in nau8825_fll_apply()
2194 	regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL1,  in nau8825_fll_apply()
2198 	regmap_write(nau8825->regmap, NAU8825_REG_FLL2, fll_param->fll_frac);  in nau8825_fll_apply()
2200 	regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL3,  in nau8825_fll_apply()
2203 	regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL4,  in nau8825_fll_apply()
2207 	regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5,  in nau8825_fll_apply()
2210 	regmap_update_bits(nau8825->regmap,  in nau8825_fll_apply()
2214 		regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5,  in nau8825_fll_apply()
2219 		regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL6,  in nau8825_fll_apply()
2224 		regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL5,  in nau8825_fll_apply()
2227 		regmap_update_bits(nau8825->regmap, NAU8825_REG_FLL6,  in nau8825_fll_apply()
2236 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_set_pll()  local
2250 	nau8825_fll_apply(nau8825, &fll_param);  in nau8825_set_pll()
2252 	regmap_update_bits(nau8825->regmap, NAU8825_REG_CLK_DIVIDER,  in nau8825_set_pll()
2257 static int nau8825_mclk_prepare(struct nau8825 *nau8825, unsigned int freq)  in nau8825_mclk_prepare()  argument
2261 	nau8825->mclk = devm_clk_get(nau8825->dev, "mclk");  in nau8825_mclk_prepare()
2262 	if (IS_ERR(nau8825->mclk)) {  in nau8825_mclk_prepare()
2263 		dev_info(nau8825->dev, "No 'mclk' clock found, assume MCLK is managed externally");  in nau8825_mclk_prepare()
2267 	if (!nau8825->mclk_freq) {  in nau8825_mclk_prepare()
2268 		ret = clk_prepare_enable(nau8825->mclk);  in nau8825_mclk_prepare()
2270 			dev_err(nau8825->dev, "Unable to prepare codec mclk\n");  in nau8825_mclk_prepare()
2275 	if (nau8825->mclk_freq != freq) {  in nau8825_mclk_prepare()
2276 		freq = clk_round_rate(nau8825->mclk, freq);  in nau8825_mclk_prepare()
2277 		ret = clk_set_rate(nau8825->mclk, freq);  in nau8825_mclk_prepare()
2279 			dev_err(nau8825->dev, "Unable to set mclk rate\n");  in nau8825_mclk_prepare()
2282 		nau8825->mclk_freq = freq;  in nau8825_mclk_prepare()
2299 static int nau8825_configure_sysclk(struct nau8825 *nau8825, int clk_id,  in nau8825_configure_sysclk()  argument
2302 	struct regmap *regmap = nau8825->regmap;  in nau8825_configure_sysclk()
2309 		if (nau8825->mclk_freq) {  in nau8825_configure_sysclk()
2310 			clk_disable_unprepare(nau8825->mclk);  in nau8825_configure_sysclk()
2311 			nau8825->mclk_freq = 0;  in nau8825_configure_sysclk()
2321 		nau8825_sema_acquire(nau8825, 3 * HZ);  in nau8825_configure_sysclk()
2327 		nau8825_sema_release(nau8825);  in nau8825_configure_sysclk()
2329 		ret = nau8825_mclk_prepare(nau8825, freq);  in nau8825_configure_sysclk()
2335 		if (nau8825_is_jack_inserted(nau8825->regmap)) {  in nau8825_configure_sysclk()
2355 			dev_warn(nau8825->dev, "Disable clock for power saving when no headset connected\n");  in nau8825_configure_sysclk()
2357 		if (nau8825->mclk_freq) {  in nau8825_configure_sysclk()
2358 			clk_disable_unprepare(nau8825->mclk);  in nau8825_configure_sysclk()
2359 			nau8825->mclk_freq = 0;  in nau8825_configure_sysclk()
2369 		nau8825_sema_acquire(nau8825, 3 * HZ);  in nau8825_configure_sysclk()
2378 		nau8825_sema_release(nau8825);  in nau8825_configure_sysclk()
2380 		ret = nau8825_mclk_prepare(nau8825, freq);  in nau8825_configure_sysclk()
2391 		nau8825_sema_acquire(nau8825, 3 * HZ);  in nau8825_configure_sysclk()
2403 		nau8825_sema_release(nau8825);  in nau8825_configure_sysclk()
2405 		if (nau8825->mclk_freq) {  in nau8825_configure_sysclk()
2406 			clk_disable_unprepare(nau8825->mclk);  in nau8825_configure_sysclk()
2407 			nau8825->mclk_freq = 0;  in nau8825_configure_sysclk()
2417 		nau8825_sema_acquire(nau8825, 3 * HZ);  in nau8825_configure_sysclk()
2429 		nau8825_sema_release(nau8825);  in nau8825_configure_sysclk()
2431 		if (nau8825->mclk_freq) {  in nau8825_configure_sysclk()
2432 			clk_disable_unprepare(nau8825->mclk);  in nau8825_configure_sysclk()
2433 			nau8825->mclk_freq = 0;  in nau8825_configure_sysclk()
2438 		dev_err(nau8825->dev, "Invalid clock id (%d)\n", clk_id);  in nau8825_configure_sysclk()
2442 	dev_dbg(nau8825->dev, "Sysclk is %dHz and clock id is %d\n", freq,  in nau8825_configure_sysclk()
2450 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_set_sysclk()  local
2452 	return nau8825_configure_sysclk(nau8825, clk_id, freq);  in nau8825_set_sysclk()
2455 static int nau8825_resume_setup(struct nau8825 *nau8825)  in nau8825_resume_setup()  argument
2457 	struct regmap *regmap = nau8825->regmap;  in nau8825_resume_setup()
2460 	nau8825_configure_sysclk(nau8825, NAU8825_CLK_DIS, 0);  in nau8825_resume_setup()
2483 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_set_bias_level()  local
2495 			if (nau8825->mclk_freq) {  in nau8825_set_bias_level()
2496 				ret = clk_prepare_enable(nau8825->mclk);  in nau8825_set_bias_level()
2498 					dev_err(nau8825->dev, "Unable to prepare component mclk\n");  in nau8825_set_bias_level()
2503 			nau8825_resume_setup(nau8825);  in nau8825_set_bias_level()
2510 		regmap_update_bits(nau8825->regmap, NAU8825_REG_MIC_BIAS,  in nau8825_set_bias_level()
2513 		regmap_update_bits(nau8825->regmap,  in nau8825_set_bias_level()
2516 		nau8825_xtalk_cancel(nau8825);  in nau8825_set_bias_level()
2520 		regmap_write(nau8825->regmap,  in nau8825_set_bias_level()
2523 		regmap_update_bits(nau8825->regmap, NAU8825_REG_ENA_CTRL,  in nau8825_set_bias_level()
2525 		if (nau8825->mclk_freq)  in nau8825_set_bias_level()
2526 			clk_disable_unprepare(nau8825->mclk);  in nau8825_set_bias_level()
2534 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_suspend()  local
2536 	disable_irq(nau8825->irq);  in nau8825_suspend()
2539 	snd_soc_dapm_disable_pin(nau8825->dapm, "SAR");  in nau8825_suspend()
2540 	snd_soc_dapm_disable_pin(nau8825->dapm, "MICBIAS");  in nau8825_suspend()
2541 	snd_soc_dapm_sync(nau8825->dapm);  in nau8825_suspend()
2542 	regcache_cache_only(nau8825->regmap, true);  in nau8825_suspend()
2543 	regcache_mark_dirty(nau8825->regmap);  in nau8825_suspend()
2550 	struct nau8825 *nau8825 = snd_soc_component_get_drvdata(component);  in nau8825_resume()  local
2553 	regcache_cache_only(nau8825->regmap, false);  in nau8825_resume()
2554 	regcache_sync(nau8825->regmap);  in nau8825_resume()
2555 	nau8825->xtalk_protect = true;  in nau8825_resume()
2556 	ret = nau8825_sema_acquire(nau8825, 0);  in nau8825_resume()
2558 		nau8825->xtalk_protect = false;  in nau8825_resume()
2559 	enable_irq(nau8825->irq);  in nau8825_resume()
2597 static void nau8825_print_device_properties(struct nau8825 *nau8825)  in nau8825_print_device_properties()  argument
2600 	struct device *dev = nau8825->dev;  in nau8825_print_device_properties()
2602 	dev_dbg(dev, "jkdet-enable:         %d\n", nau8825->jkdet_enable);  in nau8825_print_device_properties()
2603 	dev_dbg(dev, "jkdet-pull-enable:    %d\n", nau8825->jkdet_pull_enable);  in nau8825_print_device_properties()
2604 	dev_dbg(dev, "jkdet-pull-up:        %d\n", nau8825->jkdet_pull_up);  in nau8825_print_device_properties()
2605 	dev_dbg(dev, "jkdet-polarity:       %d\n", nau8825->jkdet_polarity);  in nau8825_print_device_properties()
2606 	dev_dbg(dev, "micbias-voltage:      %d\n", nau8825->micbias_voltage);  in nau8825_print_device_properties()
2607 	dev_dbg(dev, "vref-impedance:       %d\n", nau8825->vref_impedance);  in nau8825_print_device_properties()
2609 	dev_dbg(dev, "sar-threshold-num:    %d\n", nau8825->sar_threshold_num);  in nau8825_print_device_properties()
2610 	for (i = 0; i < nau8825->sar_threshold_num; i++)  in nau8825_print_device_properties()
2612 				nau8825->sar_threshold[i]);  in nau8825_print_device_properties()
2614 	dev_dbg(dev, "sar-hysteresis:       %d\n", nau8825->sar_hysteresis);  in nau8825_print_device_properties()
2615 	dev_dbg(dev, "sar-voltage:          %d\n", nau8825->sar_voltage);  in nau8825_print_device_properties()
2616 	dev_dbg(dev, "sar-compare-time:     %d\n", nau8825->sar_compare_time);  in nau8825_print_device_properties()
2617 	dev_dbg(dev, "sar-sampling-time:    %d\n", nau8825->sar_sampling_time);  in nau8825_print_device_properties()
2618 	dev_dbg(dev, "short-key-debounce:   %d\n", nau8825->key_debounce);  in nau8825_print_device_properties()
2620 			nau8825->jack_insert_debounce);  in nau8825_print_device_properties()
2622 			nau8825->jack_eject_debounce);  in nau8825_print_device_properties()
2624 			nau8825->xtalk_enable);  in nau8825_print_device_properties()
2625 	dev_dbg(dev, "adcout-drive-strong:  %d\n", nau8825->adcout_ds);  in nau8825_print_device_properties()
2629 	struct nau8825 *nau8825) {  in nau8825_read_device_properties()  argument
2632 	nau8825->jkdet_enable = device_property_read_bool(dev,  in nau8825_read_device_properties()
2634 	nau8825->jkdet_pull_enable = device_property_read_bool(dev,  in nau8825_read_device_properties()
2636 	nau8825->jkdet_pull_up = device_property_read_bool(dev,  in nau8825_read_device_properties()
2639 		&nau8825->jkdet_polarity);  in nau8825_read_device_properties()
2641 		nau8825->jkdet_polarity = 1;  in nau8825_read_device_properties()
2643 		&nau8825->micbias_voltage);  in nau8825_read_device_properties()
2645 		nau8825->micbias_voltage = 6;  in nau8825_read_device_properties()
2647 		&nau8825->vref_impedance);  in nau8825_read_device_properties()
2649 		nau8825->vref_impedance = 2;  in nau8825_read_device_properties()
2651 		&nau8825->sar_threshold_num);  in nau8825_read_device_properties()
2653 		nau8825->sar_threshold_num = 4;  in nau8825_read_device_properties()
2655 		nau8825->sar_threshold, nau8825->sar_threshold_num);  in nau8825_read_device_properties()
2657 		nau8825->sar_threshold[0] = 0x08;  in nau8825_read_device_properties()
2658 		nau8825->sar_threshold[1] = 0x12;  in nau8825_read_device_properties()
2659 		nau8825->sar_threshold[2] = 0x26;  in nau8825_read_device_properties()
2660 		nau8825->sar_threshold[3] = 0x73;  in nau8825_read_device_properties()
2663 		&nau8825->sar_hysteresis);  in nau8825_read_device_properties()
2665 		nau8825->sar_hysteresis = 0;  in nau8825_read_device_properties()
2667 		&nau8825->sar_voltage);  in nau8825_read_device_properties()
2669 		nau8825->sar_voltage = 6;  in nau8825_read_device_properties()
2671 		&nau8825->sar_compare_time);  in nau8825_read_device_properties()
2673 		nau8825->sar_compare_time = 1;  in nau8825_read_device_properties()
2675 		&nau8825->sar_sampling_time);  in nau8825_read_device_properties()
2677 		nau8825->sar_sampling_time = 1;  in nau8825_read_device_properties()
2679 		&nau8825->key_debounce);  in nau8825_read_device_properties()
2681 		nau8825->key_debounce = 3;  in nau8825_read_device_properties()
2683 		&nau8825->jack_insert_debounce);  in nau8825_read_device_properties()
2685 		nau8825->jack_insert_debounce = 7;  in nau8825_read_device_properties()
2687 		&nau8825->jack_eject_debounce);  in nau8825_read_device_properties()
2689 		nau8825->jack_eject_debounce = 0;  in nau8825_read_device_properties()
2690 	nau8825->xtalk_enable = device_property_read_bool(dev,  in nau8825_read_device_properties()
2692 	nau8825->adcout_ds = device_property_read_bool(dev, "nuvoton,adcout-drive-strong");  in nau8825_read_device_properties()
2694 	nau8825->mclk = devm_clk_get(dev, "mclk");  in nau8825_read_device_properties()
2695 	if (PTR_ERR(nau8825->mclk) == -EPROBE_DEFER) {  in nau8825_read_device_properties()
2697 	} else if (PTR_ERR(nau8825->mclk) == -ENOENT) {  in nau8825_read_device_properties()
2699 		nau8825->mclk = NULL;  in nau8825_read_device_properties()
2701 	} else if (IS_ERR(nau8825->mclk)) {  in nau8825_read_device_properties()
2708 static int nau8825_setup_irq(struct nau8825 *nau8825)  in nau8825_setup_irq()  argument
2712 	ret = devm_request_threaded_irq(nau8825->dev, nau8825->irq, NULL,  in nau8825_setup_irq()
2714 		"nau8825", nau8825);  in nau8825_setup_irq()
2717 		dev_err(nau8825->dev, "Cannot request irq %d (%d)\n",  in nau8825_setup_irq()
2718 			nau8825->irq, ret);  in nau8825_setup_irq()
2728 	struct nau8825 *nau8825 = dev_get_platdata(&i2c->dev);  in nau8825_i2c_probe()  local
2731 	if (!nau8825) {  in nau8825_i2c_probe()
2732 		nau8825 = devm_kzalloc(dev, sizeof(*nau8825), GFP_KERNEL);  in nau8825_i2c_probe()
2733 		if (!nau8825)  in nau8825_i2c_probe()
2735 		ret = nau8825_read_device_properties(dev, nau8825);  in nau8825_i2c_probe()
2740 	i2c_set_clientdata(i2c, nau8825);  in nau8825_i2c_probe()
2742 	nau8825->regmap = devm_regmap_init_i2c(i2c, &nau8825_regmap_config);  in nau8825_i2c_probe()
2743 	if (IS_ERR(nau8825->regmap))  in nau8825_i2c_probe()
2744 		return PTR_ERR(nau8825->regmap);  in nau8825_i2c_probe()
2745 	nau8825->dev = dev;  in nau8825_i2c_probe()
2746 	nau8825->irq = i2c->irq;  in nau8825_i2c_probe()
2750 	nau8825->xtalk_state = NAU8825_XTALK_DONE;  in nau8825_i2c_probe()
2751 	nau8825->xtalk_protect = false;  in nau8825_i2c_probe()
2752 	nau8825->xtalk_baktab_initialized = false;  in nau8825_i2c_probe()
2753 	sema_init(&nau8825->xtalk_sem, 1);  in nau8825_i2c_probe()
2754 	INIT_WORK(&nau8825->xtalk_work, nau8825_xtalk_work);  in nau8825_i2c_probe()
2756 	nau8825_print_device_properties(nau8825);  in nau8825_i2c_probe()
2758 	nau8825_reset_chip(nau8825->regmap);  in nau8825_i2c_probe()
2759 	ret = regmap_read(nau8825->regmap, NAU8825_REG_I2C_DEVICE_ID, &value);  in nau8825_i2c_probe()
2771 	nau8825_init_regs(nau8825);  in nau8825_i2c_probe()
2774 		nau8825_setup_irq(nau8825);  in nau8825_i2c_probe()