1 // SPDX-License-Identifier: GPL-2.0
5 #include <linux/delay.h>
75 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in max98388_dac_event()
80 		regmap_write(max98388->regmap,  in max98388_dac_event()
85 		regmap_write(max98388->regmap,  in max98388_dac_event()
88 		max98388->tdm_mode = false;  in max98388_dac_event()
131 static DECLARE_TLV_DB_SCALE(max98388_digital_tlv, -6350, 50, 1);
132 static DECLARE_TLV_DB_SCALE(max98388_amp_gain_tlv, -300, 300, 0);
135 	"0dBFS", "-1dBFS", "-2dBFS", "-3dBFS", "-4dBFS", "-5dBFS",
136 	"-6dBFS", "-7dBFS", "-8dBFS", "-9dBFS", "-10dBFS", "-11dBFS",
137 	"-12dBFS", "-13dBFS", "-14dBFS", "-15dBFS"
175 	"0", "10us", "20us", "40us", "80us", "160us",
176 	"320us", "640us", "1.28ms", "2.56ms", "5.12ms", "10.24ms",
186 	"20us", "40us", "80us", "160us", "320us", "640us",
359 	SOC_ENUM("ALC Mute Delay", max98388_alc_mute_delay_enum),
367 	SOC_ENUM("Fall Slew Rate", max98388_edge_rate_falling_enum),
368 	SOC_ENUM("Rise Slew Rate", max98388_edge_rate_rising_enum),
394 	ret = regmap_update_bits(max98388->regmap,  in max98388_reset()
405 		ret = regmap_read(max98388->regmap,  in max98388_reset()
421 	max98388_reset(max98388, component->dev);  in max98388_probe()
424 	regmap_write(max98388->regmap,  in max98388_probe()
429 	regmap_write(max98388->regmap,  in max98388_probe()
433 	regmap_write(max98388->regmap,  in max98388_probe()
437 	regmap_write(max98388->regmap,  in max98388_probe()
439 		     max98388->v_slot);  in max98388_probe()
441 	regmap_write(max98388->regmap,  in max98388_probe()
443 		     max98388->i_slot);  in max98388_probe()
444 	/* Enable Auto-restart behavior by default */  in max98388_probe()
445 	regmap_write(max98388->regmap,  in max98388_probe()
448 	if (max98388->interleave_mode)  in max98388_probe()
449 		regmap_update_bits(max98388->regmap,  in max98388_probe()
455 	regmap_update_bits(max98388->regmap,  in max98388_probe()
465 	struct snd_soc_component *component = codec_dai->component;  in max98388_dai_set_fmt()
470 	dev_dbg(component->dev, "%s: fmt 0x%08X\n", __func__, fmt);  in max98388_dai_set_fmt()
479 		dev_err(component->dev, "DAI invert mode unsupported\n");  in max98388_dai_set_fmt()
480 		return -EINVAL;  in max98388_dai_set_fmt()
483 	regmap_update_bits(max98388->regmap,  in max98388_dai_set_fmt()
503 		return -EINVAL;  in max98388_dai_set_fmt()
506 	regmap_update_bits(max98388->regmap,  in max98388_dai_set_fmt()
535 	int blr_clk_ratio = params_channels(params) * max98388->ch_size;  in max98388_set_clock()
538 	if (!max98388->tdm_mode) {  in max98388_set_clock()
542 			dev_err(component->dev, "format unsupported %d\n",  in max98388_set_clock()
544 			return -EINVAL;  in max98388_set_clock()
547 		regmap_update_bits(max98388->regmap,  in max98388_set_clock()
559 	struct snd_soc_component *component = dai->component;  in max98388_dai_hw_params()
578 		dev_err(component->dev, "format unsupported %d\n",  in max98388_dai_hw_params()
583 	max98388->ch_size = snd_pcm_format_width(params_format(params));  in max98388_dai_hw_params()
585 	ret = regmap_read(max98388->regmap,  in max98388_dai_hw_params()
590 	/* GLOBAL_EN OFF prior to the channel size re-configure */  in max98388_dai_hw_params()
592 		ret = regmap_read(max98388->regmap,  in max98388_dai_hw_params()
598 			regmap_write(max98388->regmap,  in max98388_dai_hw_params()
602 		regmap_update_bits(max98388->regmap,  in max98388_dai_hw_params()
606 	dev_dbg(component->dev, "format supported %d",  in max98388_dai_hw_params()
645 		dev_err(component->dev, "rate %d not supported\n",  in max98388_dai_hw_params()
651 	regmap_update_bits(max98388->regmap,  in max98388_dai_hw_params()
657 	if (max98388->interleave_mode &&  in max98388_dai_hw_params()
659 		regmap_update_bits(max98388->regmap,  in max98388_dai_hw_params()
662 				   (sampling_rate - 3) << MAX98388_PCM_SR_IV_SHIFT);  in max98388_dai_hw_params()
664 		regmap_update_bits(max98388->regmap,  in max98388_dai_hw_params()
672 		regmap_write(max98388->regmap,  in max98388_dai_hw_params()
680 	return -EINVAL;  in max98388_dai_hw_params()
690 	struct snd_soc_component *component = dai->component;  in max98388_dai_tdm_slot()
699 		max98388->tdm_mode = false;  in max98388_dai_tdm_slot()
701 		max98388->tdm_mode = true;  in max98388_dai_tdm_slot()
706 		dev_err(component->dev, "BCLK %d not supported\n",  in max98388_dai_tdm_slot()
708 		return -EINVAL;  in max98388_dai_tdm_slot()
711 	regmap_update_bits(max98388->regmap,  in max98388_dai_tdm_slot()
728 		dev_err(component->dev, "format unsupported %d\n",  in max98388_dai_tdm_slot()
730 		return -EINVAL;  in max98388_dai_tdm_slot()
733 	regmap_update_bits(max98388->regmap,  in max98388_dai_tdm_slot()
743 				regmap_update_bits(max98388->regmap,  in max98388_dai_tdm_slot()
748 				regmap_update_bits(max98388->regmap,  in max98388_dai_tdm_slot()
765 			regmap_update_bits(max98388->regmap, addr, bits, bits);  in max98388_dai_tdm_slot()
835 		.name = "max98388-aif1",
858 	regcache_cache_only(max98388->regmap, true);  in max98388_suspend()
859 	regcache_mark_dirty(max98388->regmap);  in max98388_suspend()
868 	regcache_cache_only(max98388->regmap, false);  in max98388_resume()
870 	regcache_sync(max98388->regmap);  in max98388_resume()
907 	if (!device_property_read_u32(dev, "adi,vmon-slot-no", &value))  in max98388_read_deveice_property()
908 		max98388->v_slot = value & 0xF;  in max98388_read_deveice_property()
910 		max98388->v_slot = 0;  in max98388_read_deveice_property()
912 	if (!device_property_read_u32(dev, "adi,imon-slot-no", &value))  in max98388_read_deveice_property()
913 		max98388->i_slot = value & 0xF;  in max98388_read_deveice_property()
915 		max98388->i_slot = 1;  in max98388_read_deveice_property()
917 	if (device_property_read_bool(dev, "adi,interleave-mode"))  in max98388_read_deveice_property()
918 		max98388->interleave_mode = true;  in max98388_read_deveice_property()
920 		max98388->interleave_mode = false;  in max98388_read_deveice_property()
930 	max98388 = devm_kzalloc(&i2c->dev, sizeof(*max98388), GFP_KERNEL);  in max98388_i2c_probe()
932 		return -ENOMEM;  in max98388_i2c_probe()
937 	max98388->regmap = devm_regmap_init_i2c(i2c, &max98388_regmap);  in max98388_i2c_probe()
938 	if (IS_ERR(max98388->regmap))  in max98388_i2c_probe()
939 		return dev_err_probe(&i2c->dev, PTR_ERR(max98388->regmap),  in max98388_i2c_probe()
943 	max98388_read_deveice_property(&i2c->dev, max98388);  in max98388_i2c_probe()
946 	max98388->reset_gpio = devm_gpiod_get_optional(&i2c->dev,  in max98388_i2c_probe()
948 	if (IS_ERR(max98388->reset_gpio))  in max98388_i2c_probe()
949 		return dev_err_probe(&i2c->dev, PTR_ERR(max98388->reset_gpio),  in max98388_i2c_probe()
952 	if (max98388->reset_gpio) {  in max98388_i2c_probe()
954 		gpiod_set_value_cansleep(max98388->reset_gpio, 0);  in max98388_i2c_probe()
960 	ret = regmap_read(max98388->regmap,  in max98388_i2c_probe()
963 		return dev_err_probe(&i2c->dev, ret,  in max98388_i2c_probe()
966 	dev_info(&i2c->dev, "MAX98388 revisionID: 0x%02X\n", reg);  in max98388_i2c_probe()
969 	ret = devm_snd_soc_register_component(&i2c->dev,  in max98388_i2c_probe()
974 		dev_err(&i2c->dev, "Failed to register codec: %d\n", ret);  in max98388_i2c_probe()