1 // SPDX-License-Identifier: GPL-2.0-or-later
9  * The data format accepted is I2S or left-justified.
132  * Default CS4271 power-up configuration
133  * Array contains non-existing in hw register at address 0
153 	"vd", "vl", "va"
161 	/* Current sample rate for de-emphasis control */
177 SND_SOC_DAPM_OUTPUT("AOUTA-"),
179 SND_SOC_DAPM_OUTPUT("AOUTB-"),
187 	{ "AOUTA-", NULL, "Playback" },
189 	{ "AOUTB-", NULL, "Playback" },
200 	struct snd_soc_component *component = codec_dai->component;  in cs4271_set_dai_sysclk()
203 	cs4271->mclk = freq;  in cs4271_set_dai_sysclk()
210 	struct snd_soc_component *component = codec_dai->component;  in cs4271_set_dai_fmt()
217 		cs4271->master = false;  in cs4271_set_dai_fmt()
220 		cs4271->master = true;  in cs4271_set_dai_fmt()
224 		dev_err(component->dev, "Invalid DAI format\n");  in cs4271_set_dai_fmt()
225 		return -EINVAL;  in cs4271_set_dai_fmt()
231 		ret = regmap_update_bits(cs4271->regmap, CS4271_ADCCTL,  in cs4271_set_dai_fmt()
238 		ret = regmap_update_bits(cs4271->regmap, CS4271_ADCCTL,  in cs4271_set_dai_fmt()
244 		dev_err(component->dev, "Invalid DAI format\n");  in cs4271_set_dai_fmt()
245 		return -EINVAL;  in cs4271_set_dai_fmt()
248 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE1,  in cs4271_set_dai_fmt()
263 	if (cs4271->deemph) {  in cs4271_set_deemph()
264 		/* Find closest de-emphasis freq */  in cs4271_set_deemph()
267 			if (abs(cs4271_deemph[i] - cs4271->rate) <  in cs4271_set_deemph()
268 			    abs(cs4271_deemph[val] - cs4271->rate))  in cs4271_set_deemph()
273 	ret = regmap_update_bits(cs4271->regmap, CS4271_DACCTL,  in cs4271_set_deemph()
286 	ucontrol->value.integer.value[0] = cs4271->deemph;  in cs4271_get_deemph()
296 	cs4271->deemph = ucontrol->value.integer.value[0];  in cs4271_put_deemph()
343 	struct snd_soc_component *component = dai->component;  in cs4271_hw_params()
348 	if (cs4271->enable_soft_reset) {  in cs4271_hw_params()
358 		if ((substream->stream == SNDRV_PCM_STREAM_PLAYBACK &&  in cs4271_hw_params()
360 		    (substream->stream == SNDRV_PCM_STREAM_CAPTURE &&  in cs4271_hw_params()
362 			ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_hw_params()
368 			ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_hw_params()
375 	cs4271->rate = params_rate(params);  in cs4271_hw_params()
378 	if (cs4271->rate < 50000)  in cs4271_hw_params()
380 	else if (cs4271->rate < 100000)  in cs4271_hw_params()
385 	ratio = cs4271->mclk / cs4271->rate;  in cs4271_hw_params()
387 		if ((cs4271_clk_tab[i].master == cs4271->master) &&  in cs4271_hw_params()
393 		dev_err(component->dev, "Invalid sample rate\n");  in cs4271_hw_params()
394 		return -EINVAL;  in cs4271_hw_params()
399 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE1,  in cs4271_hw_params()
409 	struct snd_soc_component *component = dai->component;  in cs4271_mute_stream()
423 	ret = regmap_update_bits(cs4271->regmap, CS4271_VOLA,  in cs4271_mute_stream()
428 	ret = regmap_update_bits(cs4271->regmap, CS4271_VOLB,  in cs4271_mute_stream()
437 static DECLARE_TLV_DB_SCALE(cs4271_dac_tlv, -12700, 100, 0);
445 	SOC_SINGLE_BOOL_EXT("De-emphasis Switch", 0,
447 	SOC_SINGLE("Auto-Mute Switch", CS4271_DACCTL, 7, 1, 0),
449 	SOC_SINGLE("Soft Volume Ramp-Up Switch", CS4271_DACCTL, 3, 1, 0),
450 	SOC_SINGLE("Soft Ramp-Down Switch", CS4271_DACCTL, 2, 1, 0),
454 	SOC_SINGLE("Dither 16-Bit Data Switch", CS4271_ADCCTL, 5, 1, 0),
468 	.name = "cs4271-hifi",
491 	if (gpio_is_valid(cs4271->gpio_nreset)) {  in cs4271_reset()
492 		gpio_direction_output(cs4271->gpio_nreset, 0);  in cs4271_reset()
494 		gpio_set_value(cs4271->gpio_nreset, 1);  in cs4271_reset()
507 	/* Set power-down bit */  in cs4271_soc_suspend()
508 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_soc_suspend()
513 	regcache_mark_dirty(cs4271->regmap);  in cs4271_soc_suspend()
514 	regulator_bulk_disable(ARRAY_SIZE(cs4271->supplies), cs4271->supplies);  in cs4271_soc_suspend()
524 	ret = regulator_bulk_enable(ARRAY_SIZE(cs4271->supplies),  in cs4271_soc_resume()
525 				    cs4271->supplies);  in cs4271_soc_resume()
527 		dev_err(component->dev, "Failed to enable regulators: %d\n", ret);  in cs4271_soc_resume()
535 	ret = regcache_sync(cs4271->regmap);  in cs4271_soc_resume()
539 	/* then disable the power-down bit */  in cs4271_soc_resume()
540 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_soc_resume()
564 	struct cs4271_platform_data *cs4271plat = component->dev->platform_data;  in cs4271_component_probe()
569 	if (of_match_device(cs4271_dt_ids, component->dev)) {  in cs4271_component_probe()
570 		if (of_get_property(component->dev->of_node,  in cs4271_component_probe()
571 				     "cirrus,amutec-eq-bmutec", NULL))  in cs4271_component_probe()
574 		if (of_get_property(component->dev->of_node,  in cs4271_component_probe()
575 				     "cirrus,enable-soft-reset", NULL))  in cs4271_component_probe()
576 			cs4271->enable_soft_reset = true;  in cs4271_component_probe()
580 	ret = regulator_bulk_enable(ARRAY_SIZE(cs4271->supplies),  in cs4271_component_probe()
581 				    cs4271->supplies);  in cs4271_component_probe()
583 		dev_err(component->dev, "Failed to enable regulators: %d\n", ret);  in cs4271_component_probe()
588 		amutec_eq_bmutec = cs4271plat->amutec_eq_bmutec;  in cs4271_component_probe()
589 		cs4271->enable_soft_reset = cs4271plat->enable_soft_reset;  in cs4271_component_probe()
595 	ret = regcache_sync(cs4271->regmap);  in cs4271_component_probe()
599 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_component_probe()
604 	ret = regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_component_probe()
608 	/* Power-up sequence requires 85 uS */  in cs4271_component_probe()
612 		regmap_update_bits(cs4271->regmap, CS4271_MODE2,  in cs4271_component_probe()
623 	if (gpio_is_valid(cs4271->gpio_nreset))  in cs4271_component_remove()
625 		gpio_set_value(cs4271->gpio_nreset, 0);  in cs4271_component_remove()
627 	regcache_mark_dirty(cs4271->regmap);  in cs4271_component_remove()
628 	regulator_bulk_disable(ARRAY_SIZE(cs4271->supplies), cs4271->supplies);  in cs4271_component_remove()
650 	struct cs4271_platform_data *cs4271plat = dev->platform_data;  in cs4271_common_probe()
656 		return -ENOMEM;  in cs4271_common_probe()
659 		cs4271->gpio_nreset =  in cs4271_common_probe()
660 			of_get_named_gpio(dev->of_node, "reset-gpio", 0);  in cs4271_common_probe()
663 		cs4271->gpio_nreset = cs4271plat->gpio_nreset;  in cs4271_common_probe()
665 	if (gpio_is_valid(cs4271->gpio_nreset)) {  in cs4271_common_probe()
666 		ret = devm_gpio_request(dev, cs4271->gpio_nreset,  in cs4271_common_probe()
673 		cs4271->supplies[i].supply = supply_names[i];  in cs4271_common_probe()
675 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs4271->supplies),  in cs4271_common_probe()
676 					cs4271->supplies);  in cs4271_common_probe()
711 	cs4271->regmap = regmap;  in cs4271_probe()