1 // SPDX-License-Identifier: GPL-2.0-or-later
9  * The data format accepted is I2S or left-justified.
130  * Default CS4271 power-up configuration
131  * Array contains non-existing in hw register at address 0
151 	"vd", "vl", "va"
159 	/* Current sample rate for de-emphasis control */
173 SND_SOC_DAPM_OUTPUT("AOUTA-"),
175 SND_SOC_DAPM_OUTPUT("AOUTB-"),
183 	{ "AOUTA-", NULL, "Playback" },
185 	{ "AOUTB-", NULL, "Playback" },
196 	struct snd_soc_component *component = codec_dai->component;  in cs4271_set_dai_sysclk()
199 	cs4271->mclk = freq;  in cs4271_set_dai_sysclk()
206 	struct snd_soc_component *component = codec_dai->component;  in cs4271_set_dai_fmt()
213 		cs4271->master = false;  in cs4271_set_dai_fmt()
216 		cs4271->master = true;  in cs4271_set_dai_fmt()
220 		dev_err(component->dev, "Invalid DAI format\n");  in cs4271_set_dai_fmt()
221 		return -EINVAL;  in cs4271_set_dai_fmt()
227 		ret = regmap_update_bits(cs4271->regmap, CS4271_ADCCTL,  in cs4271_set_dai_fmt()
234 		ret = regmap_update_bits(cs4271->regmap, CS4271_ADCCTL,  in cs4271_set_dai_fmt()
240 		dev_err(component->dev, "Invalid DAI format\n");  in cs4271_set_dai_fmt()
241 		return -EINVAL;  in cs4271_set_dai_fmt()
244 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE1,  in cs4271_set_dai_fmt()
259 	if (cs4271->deemph) {  in cs4271_set_deemph()
260 		/* Find closest de-emphasis freq */  in cs4271_set_deemph()
263 			if (abs(cs4271_deemph[i] - cs4271->rate) <  in cs4271_set_deemph()
264 			    abs(cs4271_deemph[val] - cs4271->rate))  in cs4271_set_deemph()
269 	ret = regmap_update_bits(cs4271->regmap, CS4271_DACCTL,  in cs4271_set_deemph()
282 	ucontrol->value.integer.value[0] = cs4271->deemph;  in cs4271_get_deemph()
292 	cs4271->deemph = ucontrol->value.integer.value[0];  in cs4271_put_deemph()
339 	struct snd_soc_component *component = dai->component;  in cs4271_hw_params()
344 	if (cs4271->enable_soft_reset) {  in cs4271_hw_params()
354 		if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&  in cs4271_hw_params()
356 		    (substream->stream == SNDRV_PCM_STREAM_CAPTURE &&  in cs4271_hw_params()
358 			ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_hw_params()
364 			ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_hw_params()
371 	cs4271->rate = params_rate(params);  in cs4271_hw_params()
374 	if (cs4271->rate < 50000)  in cs4271_hw_params()
376 	else if (cs4271->rate < 100000)  in cs4271_hw_params()
381 	ratio = cs4271->mclk / cs4271->rate;  in cs4271_hw_params()
383 		if ((cs4271_clk_tab[i].master == cs4271->master) &&  in cs4271_hw_params()
389 		dev_err(component->dev, "Invalid sample rate\n");  in cs4271_hw_params()
390 		return -EINVAL;  in cs4271_hw_params()
395 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE1,  in cs4271_hw_params()
405 	struct snd_soc_component *component = dai->component;  in cs4271_mute_stream()
419 	ret = regmap_update_bits(cs4271->regmap, CS4271_VOLA,  in cs4271_mute_stream()
424 	ret = regmap_update_bits(cs4271->regmap, CS4271_VOLB,  in cs4271_mute_stream()
433 static DECLARE_TLV_DB_SCALE(cs4271_dac_tlv, -12700, 100, 0);
441 	SOC_SINGLE_BOOL_EXT("De-emphasis Switch", 0,
443 	SOC_SINGLE("Auto-Mute Switch", CS4271_DACCTL, 7, 1, 0),
445 	SOC_SINGLE("Soft Volume Ramp-Up Switch", CS4271_DACCTL, 3, 1, 0),
446 	SOC_SINGLE("Soft Ramp-Down Switch", CS4271_DACCTL, 2, 1, 0),
450 	SOC_SINGLE("Dither 16-Bit Data Switch", CS4271_ADCCTL, 5, 1, 0),
464 	.name = "cs4271-hifi",
487 	gpiod_direction_output(cs4271->reset, 1);  in cs4271_reset()
489 	gpiod_set_value(cs4271->reset, 0);  in cs4271_reset()
501 	/* Set power-down bit */  in cs4271_soc_suspend()
502 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_soc_suspend()
507 	regcache_mark_dirty(cs4271->regmap);  in cs4271_soc_suspend()
508 	regulator_bulk_disable(ARRAY_SIZE(cs4271->supplies), cs4271->supplies);  in cs4271_soc_suspend()
518 	ret = regulator_bulk_enable(ARRAY_SIZE(cs4271->supplies),  in cs4271_soc_resume()
519 				    cs4271->supplies);  in cs4271_soc_resume()
521 		dev_err(component->dev, "Failed to enable regulators: %d\n", ret);  in cs4271_soc_resume()
529 	ret = regcache_sync(cs4271->regmap);  in cs4271_soc_resume()
533 	/* then disable the power-down bit */  in cs4271_soc_resume()
534 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_soc_resume()
558 	struct cs4271_platform_data *cs4271plat = component->dev->platform_data;  in cs4271_component_probe()
562 	amutec_eq_bmutec = of_property_read_bool(component->dev->of_node,  in cs4271_component_probe()
563 						 "cirrus,amutec-eq-bmutec");  in cs4271_component_probe()
564 	cs4271->enable_soft_reset = of_property_read_bool(component->dev->of_node,  in cs4271_component_probe()
565 							  "cirrus,enable-soft-reset");  in cs4271_component_probe()
567 	ret = regulator_bulk_enable(ARRAY_SIZE(cs4271->supplies),  in cs4271_component_probe()
568 				    cs4271->supplies);  in cs4271_component_probe()
570 		dev_err(component->dev, "Failed to enable regulators: %d\n", ret);  in cs4271_component_probe()
575 		amutec_eq_bmutec = cs4271plat->amutec_eq_bmutec;  in cs4271_component_probe()
576 		cs4271->enable_soft_reset = cs4271plat->enable_soft_reset;  in cs4271_component_probe()
582 	ret = regcache_sync(cs4271->regmap);  in cs4271_component_probe()
586 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_component_probe()
591 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_component_probe()
595 	/* Power-up sequence requires 85 uS */  in cs4271_component_probe()
599 		regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_component_probe()
611 	gpiod_set_value(cs4271->reset, 1);  in cs4271_component_remove()
613 	regcache_mark_dirty(cs4271->regmap);  in cs4271_component_remove()
614 	regulator_bulk_disable(ARRAY_SIZE(cs4271->supplies), cs4271->supplies);  in cs4271_component_remove()
641 		return -ENOMEM;  in cs4271_common_probe()
643 	cs4271->reset = devm_gpiod_get_optional(dev, "reset", GPIOD_ASIS);  in cs4271_common_probe()
644 	if (IS_ERR(cs4271->reset))  in cs4271_common_probe()
645 		return dev_err_probe(dev, PTR_ERR(cs4271->reset),  in cs4271_common_probe()
647 	gpiod_set_consumer_name(cs4271->reset, "CS4271 Reset");  in cs4271_common_probe()
650 		cs4271->supplies[i].supply = supply_names[i];  in cs4271_common_probe()
652 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs4271->supplies),  in cs4271_common_probe()
653 					cs4271->supplies);  in cs4271_common_probe()
688 	cs4271->regmap = regmap;  in cs4271_probe()