1 // SPDX-License-Identifier: GPL-2.0-or-later
6  * (C) Copyright 2010-2016
9  * Mylène Josserand <mylene.josserand@free-electrons.com>
14 #include <linux/clk.h>
23 #include <sound/soc-dapm.h>
167 	struct clk			*clk_module;
181 	regcache_cache_only(scodec->regmap, false);  in sun8i_codec_runtime_resume()
183 	ret = regcache_sync(scodec->regmap);  in sun8i_codec_runtime_resume()
196 	regcache_cache_only(scodec->regmap, true);  in sun8i_codec_runtime_suspend()
197 	regcache_mark_dirty(scodec->regmap);  in sun8i_codec_runtime_suspend()
233 		return -EINVAL;  in sun8i_codec_get_hw_rate()
243 		struct sun8i_codec_aif *aif = &scodec->aifs[i];  in sun8i_codec_update_sample_rate()
245 		if (aif->active_streams)  in sun8i_codec_update_sample_rate()
246 			max_rate = max(max_rate, aif->sample_rate);  in sun8i_codec_update_sample_rate()
249 	/* Set the sample rate for ADC->DAC passthrough when no AIF is active. */  in sun8i_codec_update_sample_rate()
257 	regmap_update_bits(scodec->regmap, SUN8I_SYS_SR_CTRL,  in sun8i_codec_update_sample_rate()
278 		return -EINVAL;  in sun8i_codec_set_fmt()
281 	if (dai->id == SUN8I_CODEC_AIF3) {  in sun8i_codec_set_fmt()
284 			return -EINVAL;  in sun8i_codec_set_fmt()
287 		regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),  in sun8i_codec_set_fmt()
291 		regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),  in sun8i_codec_set_fmt()
316 		return -EINVAL;  in sun8i_codec_set_fmt()
319 	if (dai->id == SUN8I_CODEC_AIF3) {  in sun8i_codec_set_fmt()
322 			return -EINVAL;  in sun8i_codec_set_fmt()
324 		regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),  in sun8i_codec_set_fmt()
344 		return -EINVAL;  in sun8i_codec_set_fmt()
350 			return -EINVAL;  in sun8i_codec_set_fmt()
365 		invert ^= scodec->quirks->lrck_inversion;  in sun8i_codec_set_fmt()
368 	regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),  in sun8i_codec_set_fmt()
380 	struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];  in sun8i_codec_set_tdm_slot()
383 		return -EINVAL;  in sun8i_codec_set_tdm_slot()
385 	aif->slots = slots;  in sun8i_codec_set_tdm_slot()
386 	aif->slot_width = slot_width;  in sun8i_codec_set_tdm_slot()
420 	if (dai->id != SUN8I_CODEC_AIF1)  in sun8i_codec_startup()
423 	if (!scodec->sysclk_refcnt)  in sun8i_codec_startup()
425 	else if (scodec->sysclk_rate == 22579200)  in sun8i_codec_startup()
427 	else if (scodec->sysclk_rate == 24576000)  in sun8i_codec_startup()
430 		return -EINVAL;  in sun8i_codec_startup()
432 	return snd_pcm_hw_constraint_list(substream->runtime, 0,  in sun8i_codec_startup()
468 		if (bdiv->div == div)  in sun8i_codec_get_bclk_div()
469 			return bdiv->val;  in sun8i_codec_get_bclk_div()
472 	return -EINVAL;  in sun8i_codec_get_bclk_div()
481 		return -EINVAL;  in sun8i_codec_get_lrck_div_order()
496 	struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];  in sun8i_codec_hw_params()
498 	unsigned int slots = aif->slots ?: params_channels(params);  in sun8i_codec_hw_params()
499 	unsigned int slot_width = aif->slot_width ?: params_width(params);  in sun8i_codec_hw_params()
519 		return -EINVAL;  in sun8i_codec_hw_params()
522 	regmap_update_bits(scodec->regmap, SUN8I_AIF_CLK_CTRL(dai->id),  in sun8i_codec_hw_params()
531 	if (dai->id == SUN8I_CODEC_AIF2 || dai->id == SUN8I_CODEC_AIF3) {  in sun8i_codec_hw_params()
533 		int partner = (SUN8I_CODEC_AIF2 + SUN8I_CODEC_AIF3) - dai->id;  in sun8i_codec_hw_params()
534 		const struct sun8i_codec_aif *partner_aif = &scodec->aifs[partner];  in sun8i_codec_hw_params()
537 		if (partner_aif->open_streams &&  in sun8i_codec_hw_params()
538 		    (lrck_div_order != partner_aif->lrck_div_order ||  in sun8i_codec_hw_params()
539 		     sample_rate != partner_aif->sample_rate)) {  in sun8i_codec_hw_params()
540 			dev_err(dai->dev,  in sun8i_codec_hw_params()
542 				dai->name, partner_name);  in sun8i_codec_hw_params()
543 			return -EBUSY;  in sun8i_codec_hw_params()
548 		clk_reg = SUN8I_AIF_CLK_CTRL(dai->id);  in sun8i_codec_hw_params()
551 	regmap_update_bits(scodec->regmap, clk_reg,  in sun8i_codec_hw_params()
553 			   (lrck_div_order - 4) << SUN8I_AIF_CLK_CTRL_LRCK_DIV);  in sun8i_codec_hw_params()
560 	regmap_update_bits(scodec->regmap, clk_reg,  in sun8i_codec_hw_params()
573 	ret = (aif->open_streams ? clk_set_rate : clk_set_rate_exclusive)(scodec->clk_module,  in sun8i_codec_hw_params()
575 	if (ret == -EBUSY)  in sun8i_codec_hw_params()
576 		dev_err(dai->dev,  in sun8i_codec_hw_params()
578 			dai->name, sample_rate);  in sun8i_codec_hw_params()
582 	if (!aif->open_streams)  in sun8i_codec_hw_params()
583 		scodec->sysclk_refcnt++;  in sun8i_codec_hw_params()
584 	scodec->sysclk_rate = sysclk_rate;  in sun8i_codec_hw_params()
586 	aif->lrck_div_order = lrck_div_order;  in sun8i_codec_hw_params()
587 	aif->sample_rate = sample_rate;  in sun8i_codec_hw_params()
588 	aif->open_streams |= BIT(substream->stream);  in sun8i_codec_hw_params()
597 	struct sun8i_codec_aif *aif = &scodec->aifs[dai->id];  in sun8i_codec_hw_free()
600 	if (aif->open_streams != BIT(substream->stream))  in sun8i_codec_hw_free()
603 	clk_rate_exclusive_put(scodec->clk_module);  in sun8i_codec_hw_free()
604 	scodec->sysclk_refcnt--;  in sun8i_codec_hw_free()
605 	aif->lrck_div_order = 0;  in sun8i_codec_hw_free()
606 	aif->sample_rate = 0;  in sun8i_codec_hw_free()
609 	aif->open_streams &= ~BIT(substream->stream);  in sun8i_codec_hw_free()
623 		.name	= "sun8i-codec-aif1",
648 		.name	= "sun8i-codec-aif2",
673 		.name	= "sun8i-codec-aif3",
702 	struct snd_soc_component *component = snd_soc_dapm_to_component(w->dapm);  in sun8i_codec_aif_event()
704 	struct sun8i_codec_aif *aif = &scodec->aifs[w->sname[3] - '1'];  in sun8i_codec_aif_event()
705 	int stream = w->id == snd_soc_dapm_aif_out;  in sun8i_codec_aif_event()
708 		aif->active_streams |= BIT(stream);  in sun8i_codec_aif_event()
710 		aif->active_streams &= ~BIT(stream);  in sun8i_codec_aif_event()
749 	SOC_DAPM_ENUM("AIF3 ADC Source Capture Route",
800 	SOC_DAPM_ENUM("AIF2 DAC Source Playback Route",
855 	SND_SOC_DAPM_SUPPLY("CLK AIF1",
858 	SND_SOC_DAPM_SUPPLY("CLK AIF2",
861 	SND_SOC_DAPM_SUPPLY("CLK AIF3",
864 	SND_SOC_DAPM_SUPPLY("CLK ADC",
867 	SND_SOC_DAPM_SUPPLY("CLK DAC",
932 	SND_SOC_DAPM_MUX("AIF3 ADC Source Capture Route", SND_SOC_NOPM, 0, 0,
947 	SND_SOC_DAPM_MUX("AIF2 DACL Source", SND_SOC_NOPM, 0, 0,
949 	SND_SOC_DAPM_MUX("AIF2 DACR Source", SND_SOC_NOPM, 0, 0,
1008 	{ "CLK AIF1", NULL, "AIF1CLK" },
1009 	{ "CLK AIF1", NULL, "SYSCLK" },
1010 	{ "RST AIF1", NULL, "CLK AIF1" },
1016 	{ "CLK AIF2", NULL, "AIF2CLK" },
1017 	{ "CLK AIF2", NULL, "SYSCLK" },
1018 	{ "RST AIF2", NULL, "CLK AIF2" },
1024 	{ "CLK AIF3", NULL, "AIF1CLK" },
1025 	{ "CLK AIF3", NULL, "SYSCLK" },
1026 	{ "RST AIF3", NULL, "CLK AIF3" },
1030 	{ "CLK ADC", NULL, "SYSCLK" },
1031 	{ "RST ADC", NULL, "CLK ADC" },
1036 	{ "CLK DAC", NULL, "SYSCLK" },
1037 	{ "RST DAC", NULL, "CLK DAC" },
1049 	{ "AIF3 ADC", NULL, "AIF3 ADC Source Capture Route" },
1081 	{ "AIF3 ADC Source Capture Route", "AIF2 ADCL", "AIF2 ADCL Mixer" },
1082 	{ "AIF3 ADC Source Capture Route", "AIF2 ADCR", "AIF2 ADCR Mixer" },
1086 	{ "AIF1 AD0L Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACL Source" },
1088 	{ "AIF1 AD0L Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACR Source" },
1091 	{ "AIF1 AD0R Mixer", "AIF2 Digital ADC Capture Switch", "AIF2 DACR Source" },
1093 	{ "AIF1 AD0R Mixer", "AIF2 Inv Digital ADC Capture Switch", "AIF2 DACL Source" },
1096 	{ "AIF2 ADCL Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACR Source" },
1100 	{ "AIF2 ADCR Mixer", "AIF2 ADC Mixer AIF2 DAC Rev Capture Switch", "AIF2 DACL Source" },
1104 	{ "AIF2 DACL Source", "AIF2", "AIF2 DACL Stereo Mux" },
1105 	{ "AIF2 DACL Source", "AIF3+2", "AIF3 DAC" },
1106 	{ "AIF2 DACL Source", "AIF2+3", "AIF2 DACL Stereo Mux" },
1108 	{ "AIF2 DACR Source", "AIF2", "AIF2 DACR Stereo Mux" },
1109 	{ "AIF2 DACR Source", "AIF3+2", "AIF2 DACR Stereo Mux" },
1110 	{ "AIF2 DACR Source", "AIF2+3", "AIF3 DAC" },
1147 	{ "DACL Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACL Source" },
1151 	{ "DACR Mixer", "AIF2 Digital DAC Playback Switch", "AIF2 DACR Source" },
1182 	if (scodec->quirks->legacy_widgets) {  in sun8i_codec_component_probe()
1200 	regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,  in sun8i_codec_component_probe()
1207 	regmap_update_bits(scodec->regmap, SUN8I_SYSCLK_CTL,  in sun8i_codec_component_probe()
1243 	scodec = devm_kzalloc(&pdev->dev, sizeof(*scodec), GFP_KERNEL);  in sun8i_codec_probe()
1245 		return -ENOMEM;  in sun8i_codec_probe()
1247 	scodec->clk_module = devm_clk_get(&pdev->dev, "mod");  in sun8i_codec_probe()
1248 	if (IS_ERR(scodec->clk_module)) {  in sun8i_codec_probe()
1249 		dev_err(&pdev->dev, "Failed to get the module clock\n");  in sun8i_codec_probe()
1250 		return PTR_ERR(scodec->clk_module);  in sun8i_codec_probe()
1255 		dev_err(&pdev->dev, "Failed to map the registers\n");  in sun8i_codec_probe()
1259 	scodec->regmap = devm_regmap_init_mmio_clk(&pdev->dev, "bus", base,  in sun8i_codec_probe()
1261 	if (IS_ERR(scodec->regmap)) {  in sun8i_codec_probe()
1262 		dev_err(&pdev->dev, "Failed to create our regmap\n");  in sun8i_codec_probe()
1263 		return PTR_ERR(scodec->regmap);  in sun8i_codec_probe()
1266 	scodec->quirks = of_device_get_match_data(&pdev->dev);  in sun8i_codec_probe()
1270 	pm_runtime_enable(&pdev->dev);  in sun8i_codec_probe()
1271 	if (!pm_runtime_enabled(&pdev->dev)) {  in sun8i_codec_probe()
1272 		ret = sun8i_codec_runtime_resume(&pdev->dev);  in sun8i_codec_probe()
1277 	ret = devm_snd_soc_register_component(&pdev->dev, &sun8i_soc_component,  in sun8i_codec_probe()
1281 		dev_err(&pdev->dev, "Failed to register codec\n");  in sun8i_codec_probe()
1288 	if (!pm_runtime_status_suspended(&pdev->dev))  in sun8i_codec_probe()
1289 		sun8i_codec_runtime_suspend(&pdev->dev);  in sun8i_codec_probe()
1292 	pm_runtime_disable(&pdev->dev);  in sun8i_codec_probe()
1299 	pm_runtime_disable(&pdev->dev);  in sun8i_codec_remove()
1300 	if (!pm_runtime_status_suspended(&pdev->dev))  in sun8i_codec_remove()
1301 		sun8i_codec_runtime_suspend(&pdev->dev);  in sun8i_codec_remove()
1315 	{ .compatible = "allwinner,sun8i-a33-codec", .data = &sun8i_a33_quirks },
1316 	{ .compatible = "allwinner,sun50i-a64-codec", .data = &sun50i_a64_quirks },
1328 		.name = "sun8i-codec",
1338 MODULE_AUTHOR("Mylène Josserand <mylene.josserand@free-electrons.com>");
1340 MODULE_ALIAS("platform:sun8i-codec");