3  * es8316.c -- es8316 ALSA SoC audio driver
24 #include "es8316.h"
48  * ES8316 controls
366 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_set_dai_sysclk()  local
370 	es8316->sysclk = freq;  in es8316_set_dai_sysclk()
371 	es8316->sysclk_constraints.list = NULL;  in es8316_set_dai_sysclk()
372 	es8316->sysclk_constraints.count = 0;  in es8316_set_dai_sysclk()
377 	ret = clk_set_rate(es8316->mclk, freq);  in es8316_set_dai_sysclk()
388 			es8316->allowed_rates[count++] = freq / ratio;  in es8316_set_dai_sysclk()
392 		es8316->sysclk_constraints.list = es8316->allowed_rates;  in es8316_set_dai_sysclk()
393 		es8316->sysclk_constraints.count = count;  in es8316_set_dai_sysclk()
452 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_pcm_startup()  local
454 	if (es8316->sysclk_constraints.list)  in es8316_pcm_startup()
457 					   &es8316->sysclk_constraints);  in es8316_pcm_startup()
467 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_pcm_hw_params()  local
472 	unsigned int clk = es8316->sysclk / 2;  in es8316_pcm_hw_params()
493 			if (clk == es8316->sysclk)  in es8316_pcm_hw_params()
495 			clk = es8316->sysclk;  in es8316_pcm_hw_params()
501 	if (clk != es8316->sysclk) {  in es8316_pcm_hw_params()
563 	.name = "ES8316 HiFi",
612 	struct es8316_priv *es8316 = data;  in es8316_irq()  local
613 	struct snd_soc_component *comp = es8316->component;  in es8316_irq()
616 	mutex_lock(&es8316->lock);  in es8316_irq()
618 	regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);  in es8316_irq()
623 	if (!es8316->jack)  in es8316_irq()
626 	if (es8316->jd_inverted)  in es8316_irq()
632 		if (es8316->jack->status & SND_JACK_MICROPHONE)  in es8316_irq()
635 		if (es8316->jack->status & SND_JACK_HEADPHONE) {  in es8316_irq()
636 			snd_soc_jack_report(es8316->jack, 0,  in es8316_irq()
640 	} else if (!(es8316->jack->status & SND_JACK_HEADPHONE)) {  in es8316_irq()
643 		regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);  in es8316_irq()
644 		if (es8316->jd_inverted)  in es8316_irq()
652 			snd_soc_jack_report(es8316->jack,  in es8316_irq()
658 			snd_soc_jack_report(es8316->jack,  in es8316_irq()
664 	} else if (es8316->jack->status & SND_JACK_MICROPHONE) {  in es8316_irq()
668 			snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);  in es8316_irq()
671 			snd_soc_jack_report(es8316->jack,  in es8316_irq()
678 	mutex_unlock(&es8316->lock);  in es8316_irq()
685 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_enable_jack_detect()  local
688 	 * Init es8316->jd_inverted here and not in the probe, as we cannot  in es8316_enable_jack_detect()
689 	 * guarantee that the bytchr-es8316 driver, which might set this  in es8316_enable_jack_detect()
692 	es8316->jd_inverted = device_property_read_bool(component->dev,  in es8316_enable_jack_detect()
695 	mutex_lock(&es8316->lock);  in es8316_enable_jack_detect()
697 	es8316->jack = jack;  in es8316_enable_jack_detect()
699 	if (es8316->jack->status & SND_JACK_MICROPHONE)  in es8316_enable_jack_detect()
706 	mutex_unlock(&es8316->lock);  in es8316_enable_jack_detect()
709 	enable_irq(es8316->irq);  in es8316_enable_jack_detect()
710 	es8316_irq(es8316->irq, es8316);  in es8316_enable_jack_detect()
715 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_disable_jack_detect()  local
717 	if (!es8316->jack)  in es8316_disable_jack_detect()
720 	disable_irq(es8316->irq);  in es8316_disable_jack_detect()
722 	mutex_lock(&es8316->lock);  in es8316_disable_jack_detect()
727 	if (es8316->jack->status & SND_JACK_MICROPHONE) {  in es8316_disable_jack_detect()
729 		snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);  in es8316_disable_jack_detect()
732 	es8316->jack = NULL;  in es8316_disable_jack_detect()
734 	mutex_unlock(&es8316->lock);  in es8316_disable_jack_detect()
750 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_probe()  local
753 	es8316->component = component;  in es8316_probe()
755 	es8316->mclk = devm_clk_get_optional(component->dev, "mclk");  in es8316_probe()
756 	if (IS_ERR(es8316->mclk)) {  in es8316_probe()
758 		return PTR_ERR(es8316->mclk);  in es8316_probe()
760 	if (!es8316->mclk)  in es8316_probe()
763 	ret = clk_prepare_enable(es8316->mclk);  in es8316_probe()
793 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_remove()  local
795 	clk_disable_unprepare(es8316->mclk);  in es8316_remove()
800 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_resume()  local
802 	regcache_cache_only(es8316->regmap, false);  in es8316_resume()
803 	regcache_sync(es8316->regmap);  in es8316_resume()
810 	struct es8316_priv *es8316 = snd_soc_component_get_drvdata(component);  in es8316_suspend()  local
812 	regcache_cache_only(es8316->regmap, true);  in es8316_suspend()
813 	regcache_mark_dirty(es8316->regmap);  in es8316_suspend()
857 	struct es8316_priv *es8316;  in es8316_i2c_probe()  local
860 	es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),  in es8316_i2c_probe()
862 	if (es8316 == NULL)  in es8316_i2c_probe()
865 	i2c_set_clientdata(i2c_client, es8316);  in es8316_i2c_probe()
867 	es8316->regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);  in es8316_i2c_probe()
868 	if (IS_ERR(es8316->regmap))  in es8316_i2c_probe()
869 		return PTR_ERR(es8316->regmap);  in es8316_i2c_probe()
871 	es8316->irq = i2c_client->irq;  in es8316_i2c_probe()
872 	mutex_init(&es8316->lock);  in es8316_i2c_probe()
874 	if (es8316->irq > 0) {  in es8316_i2c_probe()
875 		ret = devm_request_threaded_irq(dev, es8316->irq, NULL, es8316_irq,  in es8316_i2c_probe()
877 						"es8316", es8316);  in es8316_i2c_probe()
879 			dev_warn(dev, "Failed to get IRQ %d: %d\n", es8316->irq, ret);  in es8316_i2c_probe()
880 			es8316->irq = -ENXIO;  in es8316_i2c_probe()
890 	{"es8316" },
897 	{ .compatible = "everest,es8316", },
914 		.name			= "es8316",
923 MODULE_DESCRIPTION("Everest Semi ES8316 ALSA SoC Codec Driver");