1 // SPDX-License-Identifier: GPL-2.0-only
3  * wm8731.c  --  WM8731 ALSA SoC Audio driver
6  * Copyright 2006-12 Wolfson Microelectronics, plc
76 	if (wm8731->deemph) {  in wm8731_set_deemph()
79 			if (abs(wm8731_deemph[i] - wm8731->playback_fs) <  in wm8731_set_deemph()
80 			    abs(wm8731_deemph[best] - wm8731->playback_fs))  in wm8731_set_deemph()
90 	dev_dbg(component->dev, "Set deemphasis %d (%dHz)\n",  in wm8731_set_deemph()
102 	ucontrol->value.integer.value[0] = wm8731->deemph;  in wm8731_get_deemph()
112 	unsigned int deemph = ucontrol->value.integer.value[0];  in wm8731_put_deemph()
116 		return -EINVAL;  in wm8731_put_deemph()
118 	mutex_lock(&wm8731->lock);  in wm8731_put_deemph()
119 	if (wm8731->deemph != deemph) {  in wm8731_put_deemph()
120 		wm8731->deemph = deemph;  in wm8731_put_deemph()
126 	mutex_unlock(&wm8731->lock);  in wm8731_put_deemph()
131 static const DECLARE_TLV_DB_SCALE(in_tlv, -3450, 150, 0);
132 static const DECLARE_TLV_DB_SCALE(sidetone_tlv, -1500, 300, 0);
133 static const DECLARE_TLV_DB_SCALE(out_tlv, -12100, 100, 1);
194 	struct snd_soc_component *component = snd_soc_dapm_to_component(source->dapm);  in wm8731_check_osc()
197 	return wm8731->sysclk_type == WM8731_SYSCLK_XTAL;  in wm8731_check_osc()
317 	struct snd_soc_component *component = dai->component;  in wm8731_hw_params()
320 	int i = get_coeff(wm8731->sysclk, params_rate(params));  in wm8731_hw_params()
324 	wm8731->playback_fs = params_rate(params);  in wm8731_hw_params()
351 	struct snd_soc_component *component = dai->component;  in wm8731_mute()
364 	struct snd_soc_component *component = codec_dai->component;  in wm8731_set_dai_sysclk()
371 		if (wm8731->mclk && clk_set_rate(wm8731->mclk, freq))  in wm8731_set_dai_sysclk()
372 			return -EINVAL;  in wm8731_set_dai_sysclk()
373 		wm8731->sysclk_type = clk_id;  in wm8731_set_dai_sysclk()
376 		return -EINVAL;  in wm8731_set_dai_sysclk()
381 		wm8731->constraints = NULL;  in wm8731_set_dai_sysclk()
384 		wm8731->constraints = &wm8731_constraints_12000000;  in wm8731_set_dai_sysclk()
388 		wm8731->constraints = &wm8731_constraints_12288000_18432000;  in wm8731_set_dai_sysclk()
392 		wm8731->constraints = &wm8731_constraints_11289600_16934400;  in wm8731_set_dai_sysclk()
395 		return -EINVAL;  in wm8731_set_dai_sysclk()
398 	wm8731->sysclk = freq;  in wm8731_set_dai_sysclk()
407 		unsigned int fmt)  in wm8731_set_dai_fmt()  argument
409 	struct snd_soc_component *component = codec_dai->component;  in wm8731_set_dai_fmt()
412 	switch (fmt & SND_SOC_DAIFMT_CLOCK_PROVIDER_MASK) {  in wm8731_set_dai_fmt()
419 		return -EINVAL;  in wm8731_set_dai_fmt()
423 	switch (fmt & SND_SOC_DAIFMT_FORMAT_MASK) {  in wm8731_set_dai_fmt()
439 		return -EINVAL;  in wm8731_set_dai_fmt()
443 	switch (fmt & SND_SOC_DAIFMT_INV_MASK) {  in wm8731_set_dai_fmt()
456 		return -EINVAL;  in wm8731_set_dai_fmt()
473 		if (wm8731->mclk) {  in wm8731_set_bias_level()
474 			ret = clk_prepare_enable(wm8731->mclk);  in wm8731_set_bias_level()
483 			ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),  in wm8731_set_bias_level()
484 						    wm8731->supplies);  in wm8731_set_bias_level()
488 			regcache_sync(wm8731->regmap);  in wm8731_set_bias_level()
491 		/* Clear PWROFF, gate CLKOUT, everything else as-is */  in wm8731_set_bias_level()
496 		if (wm8731->mclk)  in wm8731_set_bias_level()
497 			clk_disable_unprepare(wm8731->mclk);  in wm8731_set_bias_level()
499 		regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies),  in wm8731_set_bias_level()
500 				       wm8731->supplies);  in wm8731_set_bias_level()
501 		regcache_mark_dirty(wm8731->regmap);  in wm8731_set_bias_level()
510 	struct wm8731_priv *wm8731 = snd_soc_component_get_drvdata(dai->component);  in wm8731_startup()
512 	if (wm8731->constraints)  in wm8731_startup()
513 		snd_pcm_hw_constraint_list(substream->runtime, 0,  in wm8731_startup()
515 					   wm8731->constraints);  in wm8731_startup()
535 	.name = "wm8731-hifi",
570 	wm8731->mclk = devm_clk_get(dev, "mclk");  in wm8731_init()
571 	if (IS_ERR(wm8731->mclk)) {  in wm8731_init()
572 		ret = PTR_ERR(wm8731->mclk);  in wm8731_init()
573 		if (ret == -ENOENT) {  in wm8731_init()
574 			wm8731->mclk = NULL;  in wm8731_init()
582 	mutex_init(&wm8731->lock);  in wm8731_init()
584 	for (i = 0; i < ARRAY_SIZE(wm8731->supplies); i++)  in wm8731_init()
585 		wm8731->supplies[i].supply = wm8731_supply_names[i];  in wm8731_init()
587 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(wm8731->supplies),  in wm8731_init()
588 				 wm8731->supplies);  in wm8731_init()
594 	ret = regulator_bulk_enable(ARRAY_SIZE(wm8731->supplies),  in wm8731_init()
595 				    wm8731->supplies);  in wm8731_init()
601 	ret = wm8731_reset(wm8731->regmap);  in wm8731_init()
608 	regmap_write(wm8731->regmap, WM8731_PWR, 0x7f);  in wm8731_init()
611 	regmap_update_bits(wm8731->regmap, WM8731_LOUT1V, 0x100, 0);  in wm8731_init()
612 	regmap_update_bits(wm8731->regmap, WM8731_ROUT1V, 0x100, 0);  in wm8731_init()
613 	regmap_update_bits(wm8731->regmap, WM8731_LINVOL, 0x100, 0);  in wm8731_init()
614 	regmap_update_bits(wm8731->regmap, WM8731_RINVOL, 0x100, 0);  in wm8731_init()
617 	regmap_update_bits(wm8731->regmap, WM8731_APANA, 0x8, 0);  in wm8731_init()
619 	regcache_mark_dirty(wm8731->regmap);  in wm8731_init()
632 	regulator_bulk_disable(ARRAY_SIZE(wm8731->supplies), wm8731->supplies);  in wm8731_init()