35 static int nau8821_configure_sysclk(struct nau8821 *nau8821,
364 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in dmic_clock_control()  local
372 	regmap_read(nau8821->regmap, NAU8821_R03_CLK_DIVIDER,  in dmic_clock_control()
376 	clk_adc = (nau8821->fs * 256) >> clk_adc_src;  in dmic_clock_control()
380 			nau8821->dmic_clk_threshold) {  in dmic_clock_control()
387 	dev_dbg(nau8821->dev,  in dmic_clock_control()
389 		clk_adc, nau8821->dmic_clk_threshold,  in dmic_clock_control()
391 	regmap_update_bits(nau8821->regmap, NAU8821_R13_DMIC_CTRL,  in dmic_clock_control()
403 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_left_adc_event()  local
408 		regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL,  in nau8821_left_adc_event()
412 		regmap_update_bits(nau8821->regmap,  in nau8821_left_adc_event()
427 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_right_adc_event()  local
432 		regmap_update_bits(nau8821->regmap, NAU8821_R01_ENA_CTRL,  in nau8821_right_adc_event()
436 		regmap_update_bits(nau8821->regmap,  in nau8821_right_adc_event()
451 	struct nau8821 *nau8821 =  in nau8821_pump_event()  local
458 		regmap_update_bits(nau8821->regmap, NAU8821_R80_CHARGE_PUMP,  in nau8821_pump_event()
462 		regmap_update_bits(nau8821->regmap, NAU8821_R80_CHARGE_PUMP,  in nau8821_pump_event()
477 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_output_dac_event()  local
482 		regmap_update_bits(nau8821->regmap, NAU8821_R66_BIAS_ADJ,  in nau8821_output_dac_event()
486 		regmap_update_bits(nau8821->regmap, NAU8821_R66_BIAS_ADJ,  in nau8821_output_dac_event()
641 static int nau8821_clock_check(struct nau8821 *nau8821,  in nau8821_clock_check()  argument
657 		dev_err(nau8821->dev,  in nau8821_clock_check()
669 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_hw_params()  local
672 	nau8821->fs = params_rate(params);  in nau8821_hw_params()
680 		regmap_read(nau8821->regmap, NAU8821_R2C_DAC_CTRL1, &osr);  in nau8821_hw_params()
682 		if (nau8821_clock_check(nau8821, substream->stream,  in nau8821_hw_params()
683 			nau8821->fs, osr)) {  in nau8821_hw_params()
686 		regmap_update_bits(nau8821->regmap, NAU8821_R03_CLK_DIVIDER,  in nau8821_hw_params()
690 		regmap_read(nau8821->regmap, NAU8821_R2B_ADC_RATE, &osr);  in nau8821_hw_params()
692 		if (nau8821_clock_check(nau8821, substream->stream,  in nau8821_hw_params()
693 			nau8821->fs, osr)) {  in nau8821_hw_params()
696 		regmap_update_bits(nau8821->regmap, NAU8821_R03_CLK_DIVIDER,  in nau8821_hw_params()
702 	regmap_read(nau8821->regmap, NAU8821_R1D_I2S_PCM_CTRL2, &ctrl_val);  in nau8821_hw_params()
705 		bclk_fs = snd_soc_params_to_bclk(params) / nau8821->fs;  in nau8821_hw_params()
715 		regmap_update_bits(nau8821->regmap, NAU8821_R1D_I2S_PCM_CTRL2,  in nau8821_hw_params()
737 	regmap_update_bits(nau8821->regmap, NAU8821_R1C_I2S_PCM_CTRL1,  in nau8821_hw_params()
746 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_set_dai_fmt()  local
790 	regmap_update_bits(nau8821->regmap, NAU8821_R1C_I2S_PCM_CTRL1,  in nau8821_set_dai_fmt()
793 	regmap_update_bits(nau8821->regmap, NAU8821_R1D_I2S_PCM_CTRL2,  in nau8821_set_dai_fmt()
803 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_digital_mute()  local
809 	return regmap_update_bits(nau8821->regmap,  in nau8821_digital_mute()
875 static void nau8821_eject_jack(struct nau8821 *nau8821)  in nau8821_eject_jack()  argument
877 	struct snd_soc_dapm_context *dapm = nau8821->dapm;  in nau8821_eject_jack()
878 	struct regmap *regmap = nau8821->regmap;  in nau8821_eject_jack()
909 		nau8821_configure_sysclk(nau8821, NAU8821_CLK_DIS, 0);  in nau8821_eject_jack()
918 	struct nau8821 *nau8821 =  in nau8821_jdet_work()  local
919 		container_of(work, struct nau8821, jdet_work);  in nau8821_jdet_work()
920 	struct snd_soc_dapm_context *dapm = nau8821->dapm;  in nau8821_jdet_work()
922 	struct regmap *regmap = nau8821->regmap;  in nau8821_jdet_work()
932 		dev_dbg(nau8821->dev, "Headset connected\n");  in nau8821_jdet_work()
944 		dev_dbg(nau8821->dev, "Headphone connected\n");  in nau8821_jdet_work()
950 	snd_soc_jack_report(nau8821->jack, event, event_mask);  in nau8821_jdet_work()
954 static void nau8821_setup_inserted_irq(struct nau8821 *nau8821)  in nau8821_setup_inserted_irq()  argument
956 	struct regmap *regmap = nau8821->regmap;  in nau8821_setup_inserted_irq()
959 	if (nau8821->dapm->bias_level < SND_SOC_BIAS_PREPARE)  in nau8821_setup_inserted_irq()
960 		nau8821_configure_sysclk(nau8821, NAU8821_CLK_INTERNAL, 0);  in nau8821_setup_inserted_irq()
984 	struct nau8821 *nau8821 = (struct nau8821 *)data;  in nau8821_interrupt()  local
985 	struct regmap *regmap = nau8821->regmap;  in nau8821_interrupt()
989 		dev_err(nau8821->dev, "failed to read irq status\n");  in nau8821_interrupt()
993 	dev_dbg(nau8821->dev, "IRQ %d\n", active_irq);  in nau8821_interrupt()
999 		nau8821_eject_jack(nau8821);  in nau8821_interrupt()
1008 			cancel_work_sync(&nau8821->jdet_work);  in nau8821_interrupt()
1009 			schedule_work(&nau8821->jdet_work);  in nau8821_interrupt()
1019 			nau8821_setup_inserted_irq(nau8821);  in nau8821_interrupt()
1021 			dev_warn(nau8821->dev,  in nau8821_interrupt()
1023 			nau8821_eject_jack(nau8821);  in nau8821_interrupt()
1033 		snd_soc_jack_report(nau8821->jack, event, event_mask);  in nau8821_interrupt()
1054 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_component_probe()  local
1058 	nau8821->dapm = dapm;  in nau8821_component_probe()
1130 static void nau8821_fll_apply(struct nau8821 *nau8821,  in nau8821_fll_apply()  argument
1133 	struct regmap *regmap = nau8821->regmap;  in nau8821_fll_apply()
1196 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_set_fll()  local
1203 		dev_err(nau8821->dev,  in nau8821_set_fll()
1208 	dev_dbg(nau8821->dev,  in nau8821_set_fll()
1213 	nau8821_fll_apply(nau8821, fll_param);  in nau8821_set_fll()
1215 	regmap_update_bits(nau8821->regmap, NAU8821_R03_CLK_DIVIDER,  in nau8821_set_fll()
1232 static int nau8821_configure_sysclk(struct nau8821 *nau8821,  in nau8821_configure_sysclk()  argument
1235 	struct regmap *regmap = nau8821->regmap;  in nau8821_configure_sysclk()
1300 		dev_err(nau8821->dev, "Invalid clock id (%d)\n", clk_id);  in nau8821_configure_sysclk()
1303 	nau8821->clk_id = clk_id;  in nau8821_configure_sysclk()
1304 	dev_dbg(nau8821->dev, "Sysclk is %dHz and clock id is %d\n", freq,  in nau8821_configure_sysclk()
1305 		nau8821->clk_id);  in nau8821_configure_sysclk()
1313 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_set_sysclk()  local
1315 	return nau8821_configure_sysclk(nau8821, clk_id, freq);  in nau8821_set_sysclk()
1318 static int nau8821_resume_setup(struct nau8821 *nau8821)  in nau8821_resume_setup()  argument
1320 	struct regmap *regmap = nau8821->regmap;  in nau8821_resume_setup()
1323 	nau8821_configure_sysclk(nau8821, NAU8821_CLK_DIS, 0);  in nau8821_resume_setup()
1324 	if (nau8821->irq) {  in nau8821_resume_setup()
1346 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_set_bias_level()  local
1347 	struct regmap *regmap = nau8821->regmap;  in nau8821_set_bias_level()
1360 			nau8821_resume_setup(nau8821);  in nau8821_set_bias_level()
1367 		if (nau8821->irq) {  in nau8821_set_bias_level()
1393 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_suspend()  local
1395 	if (nau8821->irq)  in nau8821_suspend()
1396 		disable_irq(nau8821->irq);  in nau8821_suspend()
1400 	snd_soc_dapm_sync(nau8821->dapm);  in nau8821_suspend()
1401 	regcache_cache_only(nau8821->regmap, true);  in nau8821_suspend()
1402 	regcache_mark_dirty(nau8821->regmap);  in nau8821_suspend()
1409 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_resume()  local
1411 	regcache_cache_only(nau8821->regmap, false);  in nau8821_resume()
1412 	regcache_sync(nau8821->regmap);  in nau8821_resume()
1413 	if (nau8821->irq)  in nau8821_resume()
1414 		enable_irq(nau8821->irq);  in nau8821_resume()
1452 	struct nau8821 *nau8821 = snd_soc_component_get_drvdata(component);  in nau8821_enable_jack_detect()  local
1455 	nau8821->jack = jack;  in nau8821_enable_jack_detect()
1457 	INIT_WORK(&nau8821->jdet_work, nau8821_jdet_work);  in nau8821_enable_jack_detect()
1458 	ret = devm_request_threaded_irq(nau8821->dev, nau8821->irq, NULL,  in nau8821_enable_jack_detect()
1460 		"nau8821", nau8821);  in nau8821_enable_jack_detect()
1462 		dev_err(nau8821->dev, "Cannot request irq %d (%d)\n",  in nau8821_enable_jack_detect()
1463 			nau8821->irq, ret);  in nau8821_enable_jack_detect()
1477 static void nau8821_print_device_properties(struct nau8821 *nau8821)  in nau8821_print_device_properties()  argument
1479 	struct device *dev = nau8821->dev;  in nau8821_print_device_properties()
1481 	dev_dbg(dev, "jkdet-enable:         %d\n", nau8821->jkdet_enable);  in nau8821_print_device_properties()
1482 	dev_dbg(dev, "jkdet-pull-enable:    %d\n", nau8821->jkdet_pull_enable);  in nau8821_print_device_properties()
1483 	dev_dbg(dev, "jkdet-pull-up:        %d\n", nau8821->jkdet_pull_up);  in nau8821_print_device_properties()
1484 	dev_dbg(dev, "jkdet-polarity:       %d\n", nau8821->jkdet_polarity);  in nau8821_print_device_properties()
1485 	dev_dbg(dev, "micbias-voltage:      %d\n", nau8821->micbias_voltage);  in nau8821_print_device_properties()
1486 	dev_dbg(dev, "vref-impedance:       %d\n", nau8821->vref_impedance);  in nau8821_print_device_properties()
1488 		nau8821->jack_insert_debounce);  in nau8821_print_device_properties()
1490 		nau8821->jack_eject_debounce);  in nau8821_print_device_properties()
1492 		nau8821->dmic_clk_threshold);  in nau8821_print_device_properties()
1496 	struct nau8821 *nau8821)  in nau8821_read_device_properties()  argument
1500 	nau8821->jkdet_enable = device_property_read_bool(dev,  in nau8821_read_device_properties()
1502 	nau8821->jkdet_pull_enable = device_property_read_bool(dev,  in nau8821_read_device_properties()
1504 	nau8821->jkdet_pull_up = device_property_read_bool(dev,  in nau8821_read_device_properties()
1507 		&nau8821->jkdet_polarity);  in nau8821_read_device_properties()
1509 		nau8821->jkdet_polarity = 1;  in nau8821_read_device_properties()
1511 		&nau8821->micbias_voltage);  in nau8821_read_device_properties()
1513 		nau8821->micbias_voltage = 6;  in nau8821_read_device_properties()
1515 		&nau8821->vref_impedance);  in nau8821_read_device_properties()
1517 		nau8821->vref_impedance = 2;  in nau8821_read_device_properties()
1519 		&nau8821->jack_insert_debounce);  in nau8821_read_device_properties()
1521 		nau8821->jack_insert_debounce = 7;  in nau8821_read_device_properties()
1523 		&nau8821->jack_eject_debounce);  in nau8821_read_device_properties()
1525 		nau8821->jack_eject_debounce = 0;  in nau8821_read_device_properties()
1527 		&nau8821->dmic_clk_threshold);  in nau8821_read_device_properties()
1529 		nau8821->dmic_clk_threshold = 3072000;  in nau8821_read_device_properties()
1534 static void nau8821_init_regs(struct nau8821 *nau8821)  in nau8821_init_regs()  argument
1536 	struct regmap *regmap = nau8821->regmap;  in nau8821_init_regs()
1550 		(nau8821->vref_impedance << NAU8821_BIAS_VMID_SEL_SFT) |  in nau8821_init_regs()
1581 		NAU8821_MICBIAS_VOLTAGE_MASK, nau8821->micbias_voltage);  in nau8821_init_regs()
1591 static int nau8821_setup_irq(struct nau8821 *nau8821)  in nau8821_setup_irq()  argument
1593 	struct regmap *regmap = nau8821->regmap;  in nau8821_setup_irq()
1598 		nau8821->jkdet_enable ? 0 : NAU8821_JKDET_OUTPUT_EN);  in nau8821_setup_irq()
1601 		nau8821->jkdet_pull_enable ? 0 : NAU8821_JKDET_PULL_EN);  in nau8821_setup_irq()
1604 		nau8821->jkdet_pull_up ? NAU8821_JKDET_PULL_UP : 0);  in nau8821_setup_irq()
1608 		nau8821->jkdet_polarity ? 0 : NAU8821_JACK_POLARITY);  in nau8821_setup_irq()
1611 		nau8821->jack_insert_debounce <<  in nau8821_setup_irq()
1615 		nau8821->jack_eject_debounce <<  in nau8821_setup_irq()
1632 	struct nau8821 *nau8821 = dev_get_platdata(&i2c->dev);  in nau8821_i2c_probe()  local
1635 	if (!nau8821) {  in nau8821_i2c_probe()
1636 		nau8821 = devm_kzalloc(dev, sizeof(*nau8821), GFP_KERNEL);  in nau8821_i2c_probe()
1637 		if (!nau8821)  in nau8821_i2c_probe()
1639 		nau8821_read_device_properties(dev, nau8821);  in nau8821_i2c_probe()
1641 	i2c_set_clientdata(i2c, nau8821);  in nau8821_i2c_probe()
1643 	nau8821->regmap = devm_regmap_init_i2c(i2c, &nau8821_regmap_config);  in nau8821_i2c_probe()
1644 	if (IS_ERR(nau8821->regmap))  in nau8821_i2c_probe()
1645 		return PTR_ERR(nau8821->regmap);  in nau8821_i2c_probe()
1647 	nau8821->dev = dev;  in nau8821_i2c_probe()
1648 	nau8821->irq = i2c->irq;  in nau8821_i2c_probe()
1649 	nau8821_print_device_properties(nau8821);  in nau8821_i2c_probe()
1651 	nau8821_reset_chip(nau8821->regmap);  in nau8821_i2c_probe()
1652 	ret = regmap_read(nau8821->regmap, NAU8821_R58_I2C_DEVICE_ID, &value);  in nau8821_i2c_probe()
1657 	nau8821_init_regs(nau8821);  in nau8821_i2c_probe()
1660 		nau8821_setup_irq(nau8821);  in nau8821_i2c_probe()