1 // SPDX-License-Identifier: GPL-2.0-only
3  * rt274.c  --  RT274 ALSA SoC audio codec driver
23 #include <sound/soc-dapm.h>
344 		snd_soc_component_write(component, rt274->index_cache[i].reg,  in rt274_index_sync()
345 				  rt274->index_cache[i].def);  in rt274_index_sync()
358 	if (!rt274->component)  in rt274_jack_detect()
359 		return -EINVAL;  in rt274_jack_detect()
361 	ret = regmap_read(rt274->regmap, RT274_GET_HP_SENSE, &buf);  in rt274_jack_detect()
366 	ret = regmap_read(rt274->regmap, RT274_GET_MIC_SENSE, &buf);  in rt274_jack_detect()
394 	snd_soc_jack_report(rt274->jack, status,  in rt274_jack_detect_work()
398 static irqreturn_t rt274_irq(int irq, void *data);
401 	struct snd_soc_jack *jack,  void *data)  in rt274_mic_detect()  argument
405 	rt274->jack = jack;  in rt274_mic_detect()
409 		regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,  in rt274_mic_detect()
415 	regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,  in rt274_mic_detect()
424 static const DECLARE_TLV_DB_SCALE(out_vol_tlv, -6350, 50, 0);
478 /* HP-OUT source */
494 	SND_SOC_DAPM_INPUT("DMIC1 Pin"),
495 	SND_SOC_DAPM_INPUT("DMIC2 Pin"),
501 	SND_SOC_DAPM_PGA("DMIC1", SND_SOC_NOPM, 0, 0, NULL, 0),
555 	SND_SOC_DAPM_OUTPUT("HPO Pin"),
561 	{"DMIC1", NULL, "DMIC1 Pin"},
562 	{"DMIC2", NULL, "DMIC2 Pin"},
565 	{"ADC 0 Mux", "Dmic", "DMIC1"},
609 	{"HPO Pin", NULL, "HPO L"},
610 	{"HPO Pin", NULL, "HPO R"},
617 	struct snd_soc_component *component = dai->component;  in rt274_hw_params()
628 		dev_err(component->dev, "Unsupported sample rate %d\n",  in rt274_hw_params()
630 		return -EINVAL;  in rt274_hw_params()
632 	switch (rt274->sys_clk) {  in rt274_hw_params()
636 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",  in rt274_hw_params()
637 					params_rate(params), rt274->sys_clk);  in rt274_hw_params()
638 			return -EINVAL;  in rt274_hw_params()
644 			dev_err(component->dev, "Sys_clk is not matched (%d %d)\n",  in rt274_hw_params()
645 					params_rate(params), rt274->sys_clk);  in rt274_hw_params()
646 			return -EINVAL;  in rt274_hw_params()
653 		val |= (params_channels(params) - 1);  in rt274_hw_params()
655 		dev_err(component->dev, "Unsupported channels %d\n",  in rt274_hw_params()
657 		return -EINVAL;  in rt274_hw_params()
687 		return -EINVAL;  in rt274_hw_params()
690 	if (rt274->master)  in rt274_hw_params()
695 	dev_dbg(component->dev, "format val = 0x%x\n", val);  in rt274_hw_params()
705 	struct snd_soc_component *component = dai->component;  in rt274_set_dai_fmt()
712 		rt274->master = true;  in rt274_set_dai_fmt()
717 		rt274->master = false;  in rt274_set_dai_fmt()
720 		return -EINVAL;  in rt274_set_dai_fmt()
741 		return -EINVAL;  in rt274_set_dai_fmt()
743 	/* bit 15 Stream Type 0:PCM 1:Non-PCM */  in rt274_set_dai_fmt()
753 	struct snd_soc_component *component = dai->component;  in rt274_set_dai_pll()
762 		dev_warn(component->dev, "invalid pll source, use BCLK\n");  in rt274_set_dai_pll()
773 		switch (rt274->fs) {  in rt274_set_dai_pll()
790 			dev_warn(component->dev, "invalid freq_in, assume 4.8M\n");  in rt274_set_dai_pll()
806 	struct snd_soc_component *component = dai->component;  in rt274_set_dai_sysclk()
810 	dev_dbg(component->dev, "%s freq=%d\n", __func__, freq);  in rt274_set_dai_sysclk()
828 		dev_warn(component->dev, "invalid sysclk source, use PLL1\n");  in rt274_set_dai_sysclk()
839 			dev_err(component->dev, "Should not use MCLK\n");  in rt274_set_dai_sysclk()
840 			return -EINVAL;  in rt274_set_dai_sysclk()
847 			dev_err(component->dev, "Should not use MCLK\n");  in rt274_set_dai_sysclk()
848 			return -EINVAL;  in rt274_set_dai_sysclk()
864 		dev_err(component->dev, "Unsupported system clock\n");  in rt274_set_dai_sysclk()
865 		return -EINVAL;  in rt274_set_dai_sysclk()
868 	rt274->sys_clk = freq;  in rt274_set_dai_sysclk()
869 	rt274->clk_id = clk_id;  in rt274_set_dai_sysclk()
876 	struct snd_soc_component *component = dai->component;  in rt274_set_bclk_ratio()
879 	dev_dbg(component->dev, "%s ratio=%d\n", __func__, ratio);  in rt274_set_bclk_ratio()
880 	rt274->fs = ratio;  in rt274_set_bclk_ratio()
896 	struct snd_soc_component *component = dai->component;  in rt274_set_tdm_slot()
917 		dev_err(component->dev,  in rt274_set_tdm_slot()
919 		return -EINVAL;  in rt274_set_tdm_slot()
949 static irqreturn_t rt274_irq(int irq, void *data)  in rt274_irq()  argument
951 	struct rt274_priv *rt274 = data;  in rt274_irq()
957 	regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,  in rt274_irq()
969 		snd_soc_jack_report(rt274->jack, status,  in rt274_irq()
972 		pm_wakeup_event(&rt274->i2c->dev, 300);  in rt274_irq()
982 	rt274->component = component;  in rt274_probe()
983 	INIT_DELAYED_WORK(&rt274->jack_detect_work, rt274_jack_detect_work);  in rt274_probe()
985 	if (rt274->i2c->irq)  in rt274_probe()
986 		schedule_delayed_work(&rt274->jack_detect_work,  in rt274_probe()
995 	cancel_delayed_work_sync(&rt274->jack_detect_work);  in rt274_remove()
996 	rt274->component = NULL;  in rt274_remove()
1004 	regcache_cache_only(rt274->regmap, true);  in rt274_suspend()
1005 	regcache_mark_dirty(rt274->regmap);  in rt274_suspend()
1014 	regcache_cache_only(rt274->regmap, false);  in rt274_resume()
1016 	regcache_sync(rt274->regmap);  in rt274_resume()
1040 		.name = "rt274-aif1",
1121 	rt274 = devm_kzalloc(&i2c->dev,	sizeof(*rt274),  in rt274_i2c_probe()
1124 		return -ENOMEM;  in rt274_i2c_probe()
1126 	rt274->regmap = devm_regmap_init(&i2c->dev, NULL, i2c, &rt274_regmap);  in rt274_i2c_probe()
1127 	if (IS_ERR(rt274->regmap)) {  in rt274_i2c_probe()
1128 		ret = PTR_ERR(rt274->regmap);  in rt274_i2c_probe()
1129 		dev_err(&i2c->dev, "Failed to allocate register map: %d\n",  in rt274_i2c_probe()
1134 	ret = regmap_read(rt274->regmap,  in rt274_i2c_probe()
1140 		dev_err(&i2c->dev,  in rt274_i2c_probe()
1142 		return -ENODEV;  in rt274_i2c_probe()
1145 	rt274->index_cache = devm_kmemdup(&i2c->dev, rt274_index_def,  in rt274_i2c_probe()
1147 	if (!rt274->index_cache)  in rt274_i2c_probe()
1148 		return -ENOMEM;  in rt274_i2c_probe()
1150 	rt274->index_cache_size = INDEX_CACHE_SIZE;  in rt274_i2c_probe()
1151 	rt274->i2c = i2c;  in rt274_i2c_probe()
1155 	regmap_write(rt274->regmap, RT274_RESET, 0);  in rt274_i2c_probe()
1156 	regmap_update_bits(rt274->regmap, 0x1a, 0x4000, 0x4000);  in rt274_i2c_probe()
1159 	regmap_update_bits(rt274->regmap, RT274_PAD_CTRL12, 0x3, 0x0);  in rt274_i2c_probe()
1160 	regmap_write(rt274->regmap, RT274_COEF5b_INDEX, 0x01);  in rt274_i2c_probe()
1161 	regmap_write(rt274->regmap, RT274_COEF5b_COEF, 0x8540);  in rt274_i2c_probe()
1162 	regmap_update_bits(rt274->regmap, 0x6f, 0x0100, 0x0100);  in rt274_i2c_probe()
1164 	regmap_write(rt274->regmap, 0x4a, 0x201b);  in rt274_i2c_probe()
1166 	regmap_update_bits(rt274->regmap, 0x6f, 0x3000, 0x2000);  in rt274_i2c_probe()
1168 	regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0x0);  in rt274_i2c_probe()
1170 	regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);  in rt274_i2c_probe()
1171 	regmap_write(rt274->regmap, RT274_COEF58_COEF, 0xb888);  in rt274_i2c_probe()
1173 	regmap_update_bits(rt274->regmap, 0x6f, 0xf, 0xb);  in rt274_i2c_probe()
1174 	regmap_write(rt274->regmap, RT274_COEF58_INDEX, 0x00);  in rt274_i2c_probe()
1175 	regmap_write(rt274->regmap, RT274_COEF58_COEF, 0x3888);  in rt274_i2c_probe()
1176 	/* Set pin widget */  in rt274_i2c_probe()
1177 	regmap_write(rt274->regmap, RT274_SET_PIN_HPO, 0x40);  in rt274_i2c_probe()
1178 	regmap_write(rt274->regmap, RT274_SET_PIN_LOUT3, 0x40);  in rt274_i2c_probe()
1179 	regmap_write(rt274->regmap, RT274_SET_MIC, 0x20);  in rt274_i2c_probe()
1180 	regmap_write(rt274->regmap, RT274_SET_PIN_DMIC1, 0x20);  in rt274_i2c_probe()
1182 	regmap_update_bits(rt274->regmap, RT274_I2S_CTRL2, 0xc004, 0x4004);  in rt274_i2c_probe()
1183 	regmap_update_bits(rt274->regmap, RT274_EAPD_GPIO_IRQ_CTRL,  in rt274_i2c_probe()
1187 	regmap_write(rt274->regmap, RT274_UNSOLICITED_HP_OUT, 0x81);  in rt274_i2c_probe()
1188 	regmap_write(rt274->regmap, RT274_UNSOLICITED_MIC, 0x82);  in rt274_i2c_probe()
1190 	if (rt274->i2c->irq) {  in rt274_i2c_probe()
1191 		ret = request_threaded_irq(rt274->i2c->irq, NULL, rt274_irq,  in rt274_i2c_probe()
1194 			dev_err(&i2c->dev,  in rt274_i2c_probe()
1200 	ret = devm_snd_soc_register_component(&i2c->dev,  in rt274_i2c_probe()
1211 	if (i2c->irq)  in rt274_i2c_remove()
1212 		free_irq(i2c->irq, rt274);  in rt274_i2c_remove()