1 // SPDX-License-Identifier: GPL-2.0-only
3  * es8311.c -- es8311 ALSA SoC audio driver
38 static const DECLARE_TLV_DB_SCALE(es8311_adc_vol_tlv, -9550, 50, 0);
68 	0, 1, TLV_DB_SCALE_ITEM(-3010, 600, 0),
69 	2, 3, TLV_DB_SCALE_ITEM(-2060, 250, 0),
70 	4, 5, TLV_DB_SCALE_ITEM(-1610, 160, 0),
71 	6, 7, TLV_DB_SCALE_ITEM(-1320, 120, 0),
72 	8, 9, TLV_DB_SCALE_ITEM(-1100, 90, 0),
73 	10, 11, TLV_DB_SCALE_ITEM(-930, 80, 0),
74 	12, 15, TLV_DB_SCALE_ITEM(-780, 60, 0),
107 	0, 7, TLV_DB_SCALE_ITEM(-9600, 600, 0),
108 	8, 15, TLV_DB_SCALE_ITEM(-5100, 300, 0),
110 static const DECLARE_TLV_DB_SCALE(es8311_automute_vol_tlv, -2800, 400, 0);
112 static const DECLARE_TLV_DB_SCALE(es8311_dac_vol_tlv, -9550, 50, 0);
133 	SOC_SINGLE("ADC Polarity Invert Capture Switch", ES8311_ADC2,
135 	SOC_SINGLE_TLV("ADC Scale Capture Volume", ES8311_ADC2,
138 	SOC_SINGLE_TLV("ADC Capture Volume", ES8311_ADC3,
141 	SOC_ENUM("ADC Capture Ramp Rate", es8311_adc_ramprate),
142 	SOC_SINGLE("ADC Automute Capture Switch", ES8311_ADC4,
144 	SOC_ENUM("ADC Automute Capture Winsize", es8311_automute_winsize),
145 	SOC_SINGLE_TLV("ADC Automute Noise Gate Capture Volume", ES8311_ADC6,
148 	SOC_SINGLE_TLV("ADC Automute Capture Volume", ES8311_ADC7,
152 	SOC_SINGLE("ADC HPF Capture Switch", ES8311_ADC8, ES8311_ADC8_HPF_SHIFT,
154 	SOC_SINGLE("ADC EQ Capture Switch", ES8311_ADC8,
187 	"MIC1P-MIC1N",
206 	"ADC + ADC",
207 	"ADC + 0",
208 	"0 + ADC",
210 	"DACL + ADC",
211 	"ADC + DACR",
243 	SND_SOC_DAPM_SUPPLY("ADC Bias Gen", ES8311_SYS3,
245 	SND_SOC_DAPM_SUPPLY("ADC Vref Gen", ES8311_SYS3,
247 	SND_SOC_DAPM_SUPPLY("ADC Clock", ES8311_CLKMGR1,
249 	SND_SOC_DAPM_SUPPLY("ADC Analog Clock", ES8311_CLKMGR1,
253 	SND_SOC_DAPM_ADC("Mono ADC", NULL, ES8311_SYS4,
283 	{ "Differential Mux", "MIC1P-MIC1N", "MIC1" },
285 	{ "Mono ADC", NULL, "PGA" },
286 	{ "Mono ADC", NULL, "ADC Bias Gen" },
287 	{ "Mono ADC", NULL, "ADC Vref Gen" },
288 	{ "Mono ADC", NULL, "ADC Clock" },
289 	{ "Mono ADC", NULL, "ADC Analog Clock" },
290 	{ "Digital Mic Mux", "Disabled", "Mono ADC" },
293 	{ "AIF1TX Source Mux", "ADC + ADC", "Digital Mic Mux" },
294 	{ "AIF1TX Source Mux", "ADC + 0", "Digital Mic Mux" },
295 	{ "AIF1TX Source Mux", "0 + ADC", "Digital Mic Mux" },
296 	{ "AIF1TX Source Mux", "DACL + ADC", "Digital Mic Mux" },
297 	{ "AIF1TX Source Mux", "ADC + DACR", "Digital Mic Mux" },
315  * from 1 to 20: the register takes the div value - 1
335  * documentation. Limited to have a ratio of adc (or dac) clock to lrclk equal
336  * to 256. This to keep the default adc and dac oversampling and adc scale
373  * Return -EINVAL otherwise.
380 		return -EINVAL;  in es8311_cmp_adj_mclk_coeff()
382 	unsigned int div = coeff->div;  in es8311_cmp_adj_mclk_coeff()
383 	unsigned int mult = coeff->mult;  in es8311_cmp_adj_mclk_coeff()
386 	if (coeff->mclk == mclk_freq) {  in es8311_cmp_adj_mclk_coeff()
388 	} else if (mclk_freq % coeff->mclk == 0) {  in es8311_cmp_adj_mclk_coeff()
389 		div = mclk_freq / coeff->mclk;  in es8311_cmp_adj_mclk_coeff()
390 		div *= coeff->div;  in es8311_cmp_adj_mclk_coeff()
393 	} else if (coeff->mclk % mclk_freq == 0) {  in es8311_cmp_adj_mclk_coeff()
394 		mult = coeff->mclk / mclk_freq;  in es8311_cmp_adj_mclk_coeff()
396 			mult *= coeff->mult;  in es8311_cmp_adj_mclk_coeff()
402 		return -EINVAL;  in es8311_cmp_adj_mclk_coeff()
405 		out_coeff->div = div;  in es8311_cmp_adj_mclk_coeff()
406 		out_coeff->mult = mult;  in es8311_cmp_adj_mclk_coeff()
417 		if (coeff->rate != rate)  in es8311_get_mclk_coeff()
425 	return -EINVAL;  in es8311_get_mclk_coeff()
434 	     count < ARRAY_SIZE(es8311->rates); i++) {  in es8311_set_sysclk_constraints()
437 		if (count > 0 && coeff->rate == es8311->rates[count - 1])  in es8311_set_sysclk_constraints()
442 			es8311->rates[count++] = coeff->rate;  in es8311_set_sysclk_constraints()
445 		es8311->constraints.list = es8311->rates;  in es8311_set_sysclk_constraints()
446 		es8311->constraints.count = count;  in es8311_set_sysclk_constraints()
452 	struct snd_soc_component *component = dai->component;  in es8311_mute()
460 		regmap_update_bits(es8311->regmap, ES8311_DAC1, mask, val);  in es8311_mute()
469 	struct snd_soc_component *component = dai->component;  in es8311_startup()
472 	if (es8311->constraints.list) {  in es8311_startup()
473 		snd_pcm_hw_constraint_list(substream->runtime, 0,  in es8311_startup()
475 					   &es8311->constraints);  in es8311_startup()
485 	struct snd_soc_component *component = dai->component;  in es8311_hw_params()
507 		return -EINVAL;  in es8311_hw_params()
511 	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {  in es8311_hw_params()
521 	if (es8311->mclk_freq > ES8311_MCLK_MAX_FREQ) {  in es8311_hw_params()
522 		dev_err(component->dev, "mclk frequency %lu too high\n",  in es8311_hw_params()
523 			es8311->mclk_freq);  in es8311_hw_params()
524 		return -EINVAL;  in es8311_hw_params()
527 	unsigned int mclk_freq = es8311->mclk_freq;  in es8311_hw_params()
532 		if (es8311->provider) {  in es8311_hw_params()
533 			dev_err(component->dev,  in es8311_hw_params()
535 			return -EINVAL;  in es8311_hw_params()
537 		dev_dbg(component->dev,  in es8311_hw_params()
548 		dev_err(component->dev, "unable to find mclk coefficient\n");  in es8311_hw_params()
560 		return -EINVAL;  in es8311_hw_params()
579 		return -EINVAL;  in es8311_hw_params()
583 	clkmgr = (coeff.div - 1) << ES8311_CLKMGR2_DIV_PRE_SHIFT |  in es8311_hw_params()
588 	clkmgr = (coeff.div_adc_dac - 1) << ES8311_CLKMGR5_ADC_DIV_SHIFT |  in es8311_hw_params()
589 		 (coeff.div_adc_dac - 1) << ES8311_CLKMGR5_DAC_DIV_SHIFT;  in es8311_hw_params()
592 	if (es8311->provider) {  in es8311_hw_params()
597 			return -EINVAL;  in es8311_hw_params()
600 		clkmgr = (div_lrclk - 1) >> 8;  in es8311_hw_params()
603 		clkmgr = (div_lrclk - 1) & 0xFF;  in es8311_hw_params()
607 			dev_err(component->dev,  in es8311_hw_params()
610 			return -EINVAL;  in es8311_hw_params()
617 			clkmgr = div_bclk - 1;  in es8311_hw_params()
626 				dev_err(component->dev,  in es8311_hw_params()
629 				return -EINVAL;  in es8311_hw_params()
644 	struct snd_soc_component *component = codec_dai->component;  in es8311_set_sysclk()
648 		dev_err(component->dev, "invalid frequency %u: too high\n",  in es8311_set_sysclk()
650 		return -EINVAL;  in es8311_set_sysclk()
653 	if (es8311->mclk_freq == freq)  in es8311_set_sysclk()
656 	es8311->mclk_freq = freq;  in es8311_set_sysclk()
657 	es8311->constraints.list = NULL;  in es8311_set_sysclk()
658 	es8311->constraints.count = 0;  in es8311_set_sysclk()
663 	int ret = clk_set_rate(es8311->mclk, freq);  in es8311_set_sysclk()
665 		dev_err(component->dev, "unable to set mclk rate\n");  in es8311_set_sysclk()
676 	struct snd_soc_component *component = codec_dai->component;  in es8311_set_dai_fmt()
682 		es8311->provider = true;  in es8311_set_dai_fmt()
690 		es8311->provider = false;  in es8311_set_dai_fmt()
695 		return -EINVAL;  in es8311_set_dai_fmt()
708 		dev_err(component->dev, "right justified mode not supported\n");  in es8311_set_dai_fmt()
709 		return -EINVAL;  in es8311_set_dai_fmt()
720 			dev_err(component->dev,  in es8311_set_dai_fmt()
722 			return -EINVAL;  in es8311_set_dai_fmt()
726 		return -EINVAL;  in es8311_set_dai_fmt()
745 		return -EINVAL;  in es8311_set_dai_fmt()
771 			int ret = clk_prepare_enable(es8311->mclk);  in es8311_set_bias_level()
773 				dev_err(component->dev,  in es8311_set_bias_level()
786 		clk_disable_unprepare(es8311->mclk);  in es8311_set_bias_level()
798 	.startup = es8311_startup,
855 	regcache_cache_only(es8311->regmap, true);  in es8311_suspend()
856 	regcache_mark_dirty(es8311->regmap);  in es8311_suspend()
869 	regcache_cache_only(es8311->regmap, false);  in es8311_resume()
870 	regcache_sync(es8311->regmap);  in es8311_resume()
881 	es8311->mclk = devm_clk_get_optional(component->dev, "mclk");  in es8311_component_probe()
882 	if (IS_ERR(es8311->mclk)) {  in es8311_component_probe()
883 		dev_err(component->dev, "invalid mclk\n");  in es8311_component_probe()
884 		return PTR_ERR(es8311->mclk);  in es8311_component_probe()
887 	es8311->mclk_freq = clk_get_rate(es8311->mclk);  in es8311_component_probe()
888 	if (es8311->mclk_freq > 0 && es8311->mclk_freq < ES8311_MCLK_MAX_FREQ)  in es8311_component_probe()
889 		es8311_set_sysclk_constraints(es8311->mclk_freq, es8311);  in es8311_component_probe()
894 	/* Set minimal power up time */  in es8311_component_probe()
929 	struct device *dev = &i2c_client->dev;  in es8311_i2c_probe()
933 		return -ENOMEM;  in es8311_i2c_probe()
935 	es8311->regmap =  in es8311_i2c_probe()
937 	if (IS_ERR(es8311->regmap))  in es8311_i2c_probe()
938 		return PTR_ERR(es8311->regmap);  in es8311_i2c_probe()