1 // SPDX-License-Identifier: GPL-2.0-only
3  * es8316.c -- es8316 ALSA SoC audio driver
6  * Authors: David Yang <yangxiaohua@everest-semi.com>,
21 #include <sound/soc-dapm.h>
51 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(dac_vol_tlv, -9600, 50, 1);
52 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(adc_vol_tlv, -9600, 50, 1);
53 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_max_gain_tlv, -650, 150, 0);
54 static const SNDRV_CTL_TLVD_DECLARE_DB_SCALE(alc_min_gain_tlv, -1200, 150, 0);
57 	0, 10, TLV_DB_SCALE_ITEM(-1650, 150, 0),
58 	11, 11, TLV_DB_SCALE_ITEM(-150, 0, 0),
62 	0, 4, TLV_DB_SCALE_ITEM(-1200, 150, 0),
63 	8, 11, TLV_DB_SCALE_ITEM(-450, 150, 0),
67 	0, 0, TLV_DB_SCALE_ITEM(-350, 0, 0),
76 	0, 0, TLV_DB_SCALE_ITEM(-4800, 0, 0),
77 	1, 3, TLV_DB_SCALE_ITEM(-2400, 1200, 0),
100 	SOC_DOUBLE_R_TLV("DAC Playback Volume", ES8316_DAC_VOLL,
102 	SOC_SINGLE("DAC Soft Ramp Switch", ES8316_DAC_SET1, 4, 1, 1),
103 	SOC_SINGLE("DAC Soft Ramp Rate", ES8316_DAC_SET1, 2, 4, 0),
104 	SOC_SINGLE("DAC Notch Filter Switch", ES8316_DAC_SET2, 6, 1, 0),
105 	SOC_SINGLE("DAC Double Fs Switch", ES8316_DAC_SET2, 7, 1, 0),
106 	SOC_SINGLE("DAC Stereo Enhancement", ES8316_DAC_SET3, 0, 7, 0),
107 	SOC_SINGLE("DAC Mono Mix Switch", ES8316_DAC_SET3, 3, 1, 0),
137 		"lin1-rin1",
138 		"lin2-rin2",
139 		"lin1-rin1 with 20db Boost",
140 		"lin2-rin2 with 20db Boost"
154 		"dmic data at low level",
167 	"lin1-rin1",
168 	"lin2-rin2",
169 	"lin-rin with Boost",
170 	"lin-rin with Boost and PGA"
188 	SOC_DAPM_SINGLE("Left DAC Switch", ES8316_HPMIX_SWITCH, 7, 1, 0),
192 	SOC_DAPM_SINGLE("Right DAC Switch", ES8316_HPMIX_SWITCH, 3, 1, 0),
195 /* DAC data source mux */
237 	SND_SOC_DAPM_MUX("DAC Source Mux", SND_SOC_NOPM, 0, 0,
240 	SND_SOC_DAPM_SUPPLY("DAC Vref", ES8316_SYS_PDN, 0, 1, NULL, 0),
241 	SND_SOC_DAPM_SUPPLY("DAC Clock", ES8316_CLKMGR_CLKSW, 2, 0, NULL, 0),
242 	SND_SOC_DAPM_DAC("Right DAC", NULL, ES8316_DAC_PDN, 0, 1),
243 	SND_SOC_DAPM_DAC("Left DAC", NULL, ES8316_DAC_PDN, 4, 1),
297 	{"Differential Mux", "lin1-rin1", "MIC1"},
298 	{"Differential Mux", "lin2-rin2", "MIC2"},
307 	 * the DAC clock must be running for the ADC to work.
309 	{"Mono ADC", NULL, "DAC Clock"},
316 	{"DAC Source Mux", "LDATA TO LDAC, RDATA TO RDAC", "I2S IN"},
318 	{"Left DAC", NULL, "DAC Clock"},
319 	{"Right DAC", NULL, "DAC Clock"},
321 	{"Left DAC", NULL, "DAC Vref"},
322 	{"Right DAC", NULL, "DAC Vref"},
324 	{"Left DAC", NULL, "DAC Source Mux"},
325 	{"Right DAC", NULL, "DAC Source Mux"},
327 	{"Left Headphone Mux", "lin-rin with Boost and PGA", "Line input PGA"},
328 	{"Right Headphone Mux", "lin-rin with Boost and PGA", "Line input PGA"},
331 	{"Left Headphone Mixer", "Left DAC Switch", "Left DAC"},
334 	{"Right Headphone Mixer", "Right DAC Switch", "Right DAC"},
366 	struct snd_soc_component *component = codec_dai->component;  in es8316_set_dai_sysclk()
371 	es8316->sysclk = freq;  in es8316_set_dai_sysclk()
372 	es8316->sysclk_constraints.list = NULL;  in es8316_set_dai_sysclk()
373 	es8316->sysclk_constraints.count = 0;  in es8316_set_dai_sysclk()
378 	ret = clk_set_rate(es8316->mclk, freq);  in es8316_set_dai_sysclk()
382 	/* Limit supported sample rates to ones that can be autodetected  in es8316_set_dai_sysclk()
389 			es8316->allowed_rates[count++] = freq / ratio;  in es8316_set_dai_sysclk()
393 		es8316->sysclk_constraints.list = es8316->allowed_rates;  in es8316_set_dai_sysclk()
394 		es8316->sysclk_constraints.count = count;  in es8316_set_dai_sysclk()
403 	struct snd_soc_component *component = codec_dai->component;  in es8316_set_dai_fmt()
413 		dev_err(component->dev, "Codec driver only supports I2S format\n");  in es8316_set_dai_fmt()
414 		return -EINVAL;  in es8316_set_dai_fmt()
432 		return -EINVAL;  in es8316_set_dai_fmt()
452 	struct snd_soc_component *component = dai->component;  in es8316_pcm_startup()
455 	if (es8316->sysclk_constraints.list)  in es8316_pcm_startup()
456 		snd_pcm_hw_constraint_list(substream->runtime, 0,  in es8316_pcm_startup()
458 					   &es8316->sysclk_constraints);  in es8316_pcm_startup()
467 	struct snd_soc_component *component = dai->component;  in es8316_pcm_hw_params()
478 		if (es8316->sysclk % ratio != 0)  in es8316_pcm_hw_params()
480 		if (es8316->sysclk / ratio == params_rate(params))  in es8316_pcm_hw_params()
484 		return -EINVAL;  in es8316_pcm_hw_params()
485 	lrck_divider = es8316->sysclk / params_rate(params);  in es8316_pcm_hw_params()
506 		return -EINVAL;  in es8316_pcm_hw_params()
523 	snd_soc_component_update_bits(dai->component, ES8316_DAC_SET1, 0x20,  in es8316_mute()
591 	struct snd_soc_component *comp = es8316->component;  in es8316_irq()
594 	mutex_lock(&es8316->lock);  in es8316_irq()
596 	regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);  in es8316_irq()
598 		goto out; /* Powered-down / reset */  in es8316_irq()
601 	if (!es8316->jack)  in es8316_irq()
604 	if (es8316->jd_inverted)  in es8316_irq()
607 	dev_dbg(comp->dev, "gpio flags %#04x\n", flags);  in es8316_irq()
610 		if (es8316->jack->status & SND_JACK_MICROPHONE)  in es8316_irq()
613 		if (es8316->jack->status & SND_JACK_HEADPHONE) {  in es8316_irq()
614 			snd_soc_jack_report(es8316->jack, 0,  in es8316_irq()
616 			dev_dbg(comp->dev, "jack unplugged\n");  in es8316_irq()
618 	} else if (!(es8316->jack->status & SND_JACK_HEADPHONE)) {  in es8316_irq()
621 		regmap_read(es8316->regmap, ES8316_GPIO_FLAG, &flags);  in es8316_irq()
622 		if (es8316->jd_inverted)  in es8316_irq()
624 		dev_dbg(comp->dev, "gpio flags %#04x\n", flags);  in es8316_irq()
630 			snd_soc_jack_report(es8316->jack,  in es8316_irq()
633 			/* Keep mic-gnd-short detection on for button press */  in es8316_irq()
636 			snd_soc_jack_report(es8316->jack,  in es8316_irq()
639 			/* No longer need mic-gnd-short detection */  in es8316_irq()
642 	} else if (es8316->jack->status & SND_JACK_MICROPHONE) {  in es8316_irq()
646 			snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);  in es8316_irq()
649 			snd_soc_jack_report(es8316->jack,  in es8316_irq()
656 	mutex_unlock(&es8316->lock);  in es8316_irq()
666 	 * Init es8316->jd_inverted here and not in the probe, as we cannot  in es8316_enable_jack_detect()
667 	 * guarantee that the bytchr-es8316 driver, which might set this  in es8316_enable_jack_detect()
670 	es8316->jd_inverted = device_property_read_bool(component->dev,  in es8316_enable_jack_detect()
671 							"everest,jack-detect-inverted");  in es8316_enable_jack_detect()
673 	mutex_lock(&es8316->lock);  in es8316_enable_jack_detect()
675 	es8316->jack = jack;  in es8316_enable_jack_detect()
677 	if (es8316->jack->status & SND_JACK_MICROPHONE)  in es8316_enable_jack_detect()
684 	mutex_unlock(&es8316->lock);  in es8316_enable_jack_detect()
687 	enable_irq(es8316->irq);  in es8316_enable_jack_detect()
688 	es8316_irq(es8316->irq, es8316);  in es8316_enable_jack_detect()
695 	if (!es8316->jack)  in es8316_disable_jack_detect()
698 	disable_irq(es8316->irq);  in es8316_disable_jack_detect()
700 	mutex_lock(&es8316->lock);  in es8316_disable_jack_detect()
705 	if (es8316->jack->status & SND_JACK_MICROPHONE) {  in es8316_disable_jack_detect()
707 		snd_soc_jack_report(es8316->jack, 0, SND_JACK_BTN_0);  in es8316_disable_jack_detect()
710 	es8316->jack = NULL;  in es8316_disable_jack_detect()
712 	mutex_unlock(&es8316->lock);  in es8316_disable_jack_detect()
731 	es8316->component = component;  in es8316_probe()
733 	es8316->mclk = devm_clk_get_optional(component->dev, "mclk");  in es8316_probe()
734 	if (IS_ERR(es8316->mclk)) {  in es8316_probe()
735 		dev_err(component->dev, "unable to get mclk\n");  in es8316_probe()
736 		return PTR_ERR(es8316->mclk);  in es8316_probe()
738 	if (!es8316->mclk)  in es8316_probe()
739 		dev_warn(component->dev, "assuming static mclk\n");  in es8316_probe()
741 	ret = clk_prepare_enable(es8316->mclk);  in es8316_probe()
743 		dev_err(component->dev, "unable to enable mclk\n");  in es8316_probe()
747 	/* Reset codec and enable current state machine */  in es8316_probe()
761 	 * but here is a vendor-provided value that improves volume  in es8316_probe()
773 	clk_disable_unprepare(es8316->mclk);  in es8316_remove()
780 	regcache_cache_only(es8316->regmap, false);  in es8316_resume()
781 	regcache_sync(es8316->regmap);  in es8316_resume()
790 	regcache_cache_only(es8316->regmap, true);  in es8316_suspend()
791 	regcache_mark_dirty(es8316->regmap);  in es8316_suspend()
834 	struct device *dev = &i2c_client->dev;  in es8316_i2c_probe()
838 	es8316 = devm_kzalloc(&i2c_client->dev, sizeof(struct es8316_priv),  in es8316_i2c_probe()
841 		return -ENOMEM;  in es8316_i2c_probe()
845 	es8316->regmap = devm_regmap_init_i2c(i2c_client, &es8316_regmap);  in es8316_i2c_probe()
846 	if (IS_ERR(es8316->regmap))  in es8316_i2c_probe()
847 		return PTR_ERR(es8316->regmap);  in es8316_i2c_probe()
849 	es8316->irq = i2c_client->irq;  in es8316_i2c_probe()
850 	mutex_init(&es8316->lock);  in es8316_i2c_probe()
852 	if (es8316->irq > 0) {  in es8316_i2c_probe()
853 		ret = devm_request_threaded_irq(dev, es8316->irq, NULL, es8316_irq,  in es8316_i2c_probe()
857 			dev_warn(dev, "Failed to get IRQ %d: %d\n", es8316->irq, ret);  in es8316_i2c_probe()
858 			es8316->irq = -ENXIO;  in es8316_i2c_probe()
862 	return devm_snd_soc_register_component(&i2c_client->dev,  in es8316_i2c_probe()
902 MODULE_AUTHOR("David Yang <yangxiaohua@everest-semi.com>");