1 // SPDX-License-Identifier: GPL-2.0-only
9  * Based on cs4270.c - Copyright (c) Freescale Semiconductor
12  *  - Only I2C is support. Not SPI
13  *  - master mode *NOT* supported
39 	"VD",
47 	unsigned int audio_mode;	/* The mode (I2S or left-justified) */
69 		ucontrol->value.enumerated.item[0] = 0;  in cs42l51_get_chan_mix()
74 		ucontrol->value.enumerated.item[0] = 1;  in cs42l51_get_chan_mix()
77 		ucontrol->value.enumerated.item[0] = 2;  in cs42l51_get_chan_mix()
94 	switch (ucontrol->value.enumerated.item[0]) {  in cs42l51_set_chan_mix()
112 static const DECLARE_TLV_DB_SCALE(adc_pcm_tlv, -5150, 50, 0);
113 static const DECLARE_TLV_DB_SCALE(tone_tlv, -1050, 150, 0);
115 static const DECLARE_TLV_DB_SCALE(aout_tlv, -10200, 50, 0);
125 static const DECLARE_TLV_DB_SCALE(pga_tlv, -300, 50, 0);
126 static const DECLARE_TLV_DB_SCALE(adc_att_tlv, -9600, 100, 0);
151 	SOC_SINGLE("Auto-Mute Switch", CS42L51_DAC_CTL, 2, 1, 0),
168  * 2.) enable power-down for the select channels
174 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in cs42l51_pdn_event()
251 	SND_SOC_DAPM_MUX("PGA-ADC Mux Left", SND_SOC_NOPM, 0, 0,
253 	SND_SOC_DAPM_MUX("PGA-ADC Mux Right", SND_SOC_NOPM, 0, 0,
260 	struct snd_soc_component *comp = snd_soc_dapm_to_component(w->dapm);  in mclk_event()
265 		return clk_prepare_enable(cs42l51->mclk_handle);  in mclk_event()
267 		/* Delay mclk shutdown to fulfill power-down sequence requirements */  in mclk_event()
269 		clk_disable_unprepare(cs42l51->mclk_handle);  in mclk_event()
297 	{"PGA-ADC Mux Left",  "AIN1 Left",        "AIN1L" },
298 	{"PGA-ADC Mux Left",  "AIN2 Left",        "AIN2L" },
299 	{"PGA-ADC Mux Left",  "MIC Left",         "MICL"  },
300 	{"PGA-ADC Mux Left",  "MIC+preamp Left",  "Mic Preamp Left" },
301 	{"PGA-ADC Mux Right", "AIN1 Right",       "AIN1R" },
302 	{"PGA-ADC Mux Right", "AIN2 Right",       "AIN2R" },
303 	{"PGA-ADC Mux Right", "MIC Right",        "MICR" },
304 	{"PGA-ADC Mux Right", "MIC+preamp Right", "Mic Preamp Right" },
306 	{"Left PGA", NULL, "PGA-ADC Mux Left"},
307 	{"Right PGA", NULL, "PGA-ADC Mux Right"},
313 	struct snd_soc_component *component = codec_dai->component;  in cs42l51_set_dai_fmt()
320 		cs42l51->audio_mode = format & SND_SOC_DAIFMT_FORMAT_MASK;  in cs42l51_set_dai_fmt()
323 		dev_err(component->dev, "invalid DAI format\n");  in cs42l51_set_dai_fmt()
324 		return -EINVAL;  in cs42l51_set_dai_fmt()
329 		cs42l51->func = MODE_MASTER;  in cs42l51_set_dai_fmt()
332 		cs42l51->func = MODE_SLAVE_AUTO;  in cs42l51_set_dai_fmt()
335 		dev_err(component->dev, "Unknown master/slave configuration\n");  in cs42l51_set_dai_fmt()
336 		return -EINVAL;  in cs42l51_set_dai_fmt()
375  * Recommended configurations are SSM for 4-50khz and DSM for 50-100kHz ranges
389 	struct snd_soc_component *component = codec_dai->component;  in cs42l51_set_dai_sysclk()
392 	cs42l51->mclk = freq;  in cs42l51_set_dai_sysclk()
400 	struct snd_soc_component *component = dai->component;  in cs42l51_hw_params()
410 	switch (cs42l51->func) {  in cs42l51_hw_params()
427 	ratio = cs42l51->mclk / rate;    /* MCLK/LRCK ratio */  in cs42l51_hw_params()
435 		dev_err(component->dev, "could not find matching ratio\n");  in cs42l51_hw_params()
436 		return -EINVAL;  in cs42l51_hw_params()
447 	switch (cs42l51->func) {  in cs42l51_hw_params()
469 	switch (cs42l51->audio_mode) {  in cs42l51_hw_params()
492 			dev_err(component->dev, "unknown format\n");  in cs42l51_hw_params()
493 			return -EINVAL;  in cs42l51_hw_params()
498 		dev_err(component->dev, "unknown format\n");  in cs42l51_hw_params()
499 		return -EINVAL;  in cs42l51_hw_params()
518 	struct snd_soc_component *component = dai->component;  in cs42l51_dai_mute()
548 	.name = "cs42l51-hifi",
575 	if (cs42l51->mclk_handle)  in cs42l51_component_probe()
580 	 * - Use signal processor  in cs42l51_component_probe()
581 	 * - auto mute  in cs42l51_component_probe()
582 	 * - vol changes immediate  in cs42l51_component_probe()
583 	 * - no de-emphasize  in cs42l51_component_probe()
726 		return -ENOMEM;  in cs42l51_probe()
729 	cs42l51->regmap = regmap;  in cs42l51_probe()
731 	cs42l51->mclk_handle = devm_clk_get(dev, "MCLK");  in cs42l51_probe()
732 	if (IS_ERR(cs42l51->mclk_handle)) {  in cs42l51_probe()
733 		if (PTR_ERR(cs42l51->mclk_handle) != -ENOENT)  in cs42l51_probe()
734 			return PTR_ERR(cs42l51->mclk_handle);  in cs42l51_probe()
735 		cs42l51->mclk_handle = NULL;  in cs42l51_probe()
738 	for (i = 0; i < ARRAY_SIZE(cs42l51->supplies); i++)  in cs42l51_probe()
739 		cs42l51->supplies[i].supply = cs42l51_supply_names[i];  in cs42l51_probe()
741 	ret = devm_regulator_bulk_get(dev, ARRAY_SIZE(cs42l51->supplies),  in cs42l51_probe()
742 				      cs42l51->supplies);  in cs42l51_probe()
748 	ret = regulator_bulk_enable(ARRAY_SIZE(cs42l51->supplies),  in cs42l51_probe()
749 				    cs42l51->supplies);  in cs42l51_probe()
755 	cs42l51->reset_gpio = devm_gpiod_get_optional(dev, "reset",  in cs42l51_probe()
757 	if (IS_ERR(cs42l51->reset_gpio))  in cs42l51_probe()
758 		return PTR_ERR(cs42l51->reset_gpio);  in cs42l51_probe()
760 	if (cs42l51->reset_gpio) {  in cs42l51_probe()
762 		gpiod_set_value_cansleep(cs42l51->reset_gpio, 0);  in cs42l51_probe()
776 		ret = -ENODEV;  in cs42l51_probe()
790 	regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies),  in cs42l51_probe()
791 			       cs42l51->supplies);  in cs42l51_probe()
800 	gpiod_set_value_cansleep(cs42l51->reset_gpio, 1);  in cs42l51_remove()
802 	return regulator_bulk_disable(ARRAY_SIZE(cs42l51->supplies),  in cs42l51_remove()
803 				      cs42l51->supplies);  in cs42l51_remove()
811 	regcache_cache_only(cs42l51->regmap, true);  in cs42l51_suspend()
812 	regcache_mark_dirty(cs42l51->regmap);  in cs42l51_suspend()
822 	regcache_cache_only(cs42l51->regmap, false);  in cs42l51_resume()
824 	return regcache_sync(cs42l51->regmap);  in cs42l51_resume()
835 MODULE_AUTHOR("Arnaud Patard <arnaud.patard@rtp-net.org>");