1 // SPDX-License-Identifier: GPL-2.0
3 // MediaTek ALSA SoC Audio DAI TDM Control
10 #include "mt8183-afe-clk.h"
11 #include "mt8183-afe-common.h"
12 #include "mt8183-interconnection.h"
13 #include "mt8183-reg.h"
72 static unsigned int get_hdmi_wlen(snd_pcm_format_t format)  in get_hdmi_wlen()  argument
74 	return snd_pcm_format_physical_width(format) <= 16 ?  in get_hdmi_wlen()
78 static unsigned int get_tdm_wlen(snd_pcm_format_t format)  in get_tdm_wlen()  argument
80 	return snd_pcm_format_physical_width(format) <= 16 ?  in get_tdm_wlen()
84 static unsigned int get_tdm_channel_bck(snd_pcm_format_t format)  in get_tdm_channel_bck()  argument
86 	return snd_pcm_format_physical_width(format) <= 16 ?  in get_tdm_channel_bck()
90 static unsigned int get_tdm_lrck_width(snd_pcm_format_t format)  in get_tdm_lrck_width()  argument
92 	return snd_pcm_format_physical_width(format) - 1;  in get_tdm_lrck_width()
250 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);  in mtk_tdm_bck_en_event()
252 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mtk_tdm_bck_en_event()
253 	struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[MT8183_DAI_TDM];  in mtk_tdm_bck_en_event()
255 	dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",  in mtk_tdm_bck_en_event()
256 		 __func__, w->name, event);  in mtk_tdm_bck_en_event()
260 		mt8183_mck_enable(afe, tdm_priv->bck_id, tdm_priv->bck_rate);  in mtk_tdm_bck_en_event()
263 		mt8183_mck_disable(afe, tdm_priv->bck_id);  in mtk_tdm_bck_en_event()
276 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);  in mtk_tdm_mck_en_event()
278 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mtk_tdm_mck_en_event()
279 	struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[MT8183_DAI_TDM];  in mtk_tdm_mck_en_event()
281 	dev_info(cmpnt->dev, "%s(), name %s, event 0x%x\n",  in mtk_tdm_mck_en_event()
282 		 __func__, w->name, event);  in mtk_tdm_mck_en_event()
286 		mt8183_mck_enable(afe, tdm_priv->mclk_id, tdm_priv->mclk_rate);  in mtk_tdm_mck_en_event()
289 		tdm_priv->mclk_rate = 0;  in mtk_tdm_mck_en_event()
290 		mt8183_mck_disable(afe, tdm_priv->mclk_id);  in mtk_tdm_mck_en_event()
334 	struct snd_soc_component *cmpnt = snd_soc_dapm_to_component(w->dapm);  in mtk_afe_tdm_apll_connect()
336 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mtk_afe_tdm_apll_connect()
337 	struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[MT8183_DAI_TDM];  in mtk_afe_tdm_apll_connect()
341 	cur_apll = mt8183_get_apll_by_name(afe, source->name);  in mtk_afe_tdm_apll_connect()
343 	return (tdm_priv->mclk_apll == cur_apll) ? 1 : 0;  in mtk_afe_tdm_apll_connect()
435 /* dai ops */
447 		dev_warn(afe->dev,  in mtk_dai_tdm_cal_mclk()
449 		return -EINVAL;  in mtk_dai_tdm_cal_mclk()
453 		dev_warn(afe->dev,  in mtk_dai_tdm_cal_mclk()
455 		return -EINVAL;  in mtk_dai_tdm_cal_mclk()
458 	tdm_priv->mclk_rate = freq;  in mtk_dai_tdm_cal_mclk()
459 	tdm_priv->mclk_apll = apll;  in mtk_dai_tdm_cal_mclk()
466 				 struct snd_soc_dai *dai)  in mtk_dai_tdm_hw_params()  argument
468 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_tdm_hw_params()
469 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_tdm_hw_params()
470 	int tdm_id = dai->id;  in mtk_dai_tdm_hw_params()
471 	struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[tdm_id];  in mtk_dai_tdm_hw_params()
472 	unsigned int tdm_out_mode = tdm_priv->tdm_out_mode;  in mtk_dai_tdm_hw_params()
477 	snd_pcm_format_t format = params_format(params);  in mtk_dai_tdm_hw_params()  local
481 	if (!tdm_priv->mclk_rate) {  in mtk_dai_tdm_hw_params()
482 		tdm_priv->mclk_rate = rate * tdm_priv->mclk_multiple;  in mtk_dai_tdm_hw_params()
485 				     tdm_priv->mclk_rate);  in mtk_dai_tdm_hw_params()
489 	tdm_priv->bck_rate = rate *  in mtk_dai_tdm_hw_params()
491 			     snd_pcm_format_physical_width(format);  in mtk_dai_tdm_hw_params()
493 	if (tdm_priv->bck_rate > tdm_priv->mclk_rate)  in mtk_dai_tdm_hw_params()
494 		dev_warn(afe->dev, "%s(), bck_rate > mclk_rate rate", __func__);  in mtk_dai_tdm_hw_params()
496 	if (tdm_priv->mclk_rate % tdm_priv->bck_rate != 0)  in mtk_dai_tdm_hw_params()
497 		dev_warn(afe->dev, "%s(), bck cannot generate", __func__);  in mtk_dai_tdm_hw_params()
499 	dev_info(afe->dev, "%s(), id %d, rate %d, channels %d, format %d, mclk_rate %d, bck_rate %d\n",  in mtk_dai_tdm_hw_params()
501 		 tdm_id, rate, channels, format,  in mtk_dai_tdm_hw_params()
502 		 tdm_priv->mclk_rate, tdm_priv->bck_rate);  in mtk_dai_tdm_hw_params()
503 	dev_info(afe->dev, "%s(), out_channels_per_sdata = %d\n",  in mtk_dai_tdm_hw_params()
507 	if (tdm_priv->bck_invert)  in mtk_dai_tdm_hw_params()
508 		regmap_update_bits(afe->regmap, AUDIO_TOP_CON3,  in mtk_dai_tdm_hw_params()
512 	if (tdm_priv->lck_invert)  in mtk_dai_tdm_hw_params()
515 	if (tdm_priv->tdm_out_mode == TDM_OUT_I2S) {  in mtk_dai_tdm_hw_params()
517 		tdm_con |= get_tdm_lrck_width(format) << LRCK_TDM_WIDTH_SFT;  in mtk_dai_tdm_hw_params()
518 	} else if (tdm_priv->tdm_out_mode == TDM_OUT_TDM) {  in mtk_dai_tdm_hw_params()
524 	tdm_con |= get_tdm_wlen(format) << WLEN_SFT;  in mtk_dai_tdm_hw_params()
526 	tdm_con |= get_tdm_channel_bck(format) << CHANNEL_BCK_CYCLES_SFT;  in mtk_dai_tdm_hw_params()
527 	regmap_write(afe->regmap, AFE_TDM_CON1, tdm_con);  in mtk_dai_tdm_hw_params()
569 	regmap_write(afe->regmap, AFE_TDM_CON2, tdm_con);  in mtk_dai_tdm_hw_params()
571 	regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0,  in mtk_dai_tdm_hw_params()
575 	regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0,  in mtk_dai_tdm_hw_params()
577 			   get_hdmi_wlen(format) << AFE_HDMI_OUT_BIT_WIDTH_SFT);  in mtk_dai_tdm_hw_params()
583 			       struct snd_soc_dai *dai)  in mtk_dai_tdm_trigger()  argument
585 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_tdm_trigger()
591 		regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0,  in mtk_dai_tdm_trigger()
595 		regmap_update_bits(afe->regmap, AFE_TDM_CON1,  in mtk_dai_tdm_trigger()
601 		regmap_update_bits(afe->regmap, AFE_TDM_CON1,  in mtk_dai_tdm_trigger()
604 		regmap_update_bits(afe->regmap, AFE_HDMI_OUT_CON0,  in mtk_dai_tdm_trigger()
609 		return -EINVAL;  in mtk_dai_tdm_trigger()
615 static int mtk_dai_tdm_set_sysclk(struct snd_soc_dai *dai,  in mtk_dai_tdm_set_sysclk()  argument
618 	struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);  in mtk_dai_tdm_set_sysclk()
619 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_tdm_set_sysclk()
620 	struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id];  in mtk_dai_tdm_set_sysclk()
623 		dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__);  in mtk_dai_tdm_set_sysclk()
624 		return -EINVAL;  in mtk_dai_tdm_set_sysclk()
628 		dev_warn(afe->dev, "%s(), dir != SND_SOC_CLOCK_OUT", __func__);  in mtk_dai_tdm_set_sysclk()
629 		return -EINVAL;  in mtk_dai_tdm_set_sysclk()
632 	dev_info(afe->dev, "%s(), freq %d\n", __func__, freq);  in mtk_dai_tdm_set_sysclk()
637 static int mtk_dai_tdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)  in mtk_dai_tdm_set_fmt()  argument
639 	struct mtk_base_afe *afe = dev_get_drvdata(dai->dev);  in mtk_dai_tdm_set_fmt()
640 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_tdm_set_fmt()
641 	struct mtk_afe_tdm_priv *tdm_priv = afe_priv->dai_priv[dai->id];  in mtk_dai_tdm_set_fmt()
644 		dev_warn(afe->dev, "%s(), tdm_priv == NULL", __func__);  in mtk_dai_tdm_set_fmt()
645 		return -EINVAL;  in mtk_dai_tdm_set_fmt()
648 	/* DAI mode*/  in mtk_dai_tdm_set_fmt()
651 		tdm_priv->tdm_out_mode = TDM_OUT_I2S;  in mtk_dai_tdm_set_fmt()
654 		tdm_priv->tdm_out_mode = TDM_OUT_TDM;  in mtk_dai_tdm_set_fmt()
657 		tdm_priv->tdm_out_mode = TDM_OUT_I2S;  in mtk_dai_tdm_set_fmt()
660 	/* DAI clock inversion*/  in mtk_dai_tdm_set_fmt()
663 		tdm_priv->bck_invert = TDM_BCK_NON_INV;  in mtk_dai_tdm_set_fmt()
664 		tdm_priv->lck_invert = TDM_LCK_NON_INV;  in mtk_dai_tdm_set_fmt()
667 		tdm_priv->bck_invert = TDM_BCK_NON_INV;  in mtk_dai_tdm_set_fmt()
668 		tdm_priv->lck_invert = TDM_LCK_INV;  in mtk_dai_tdm_set_fmt()
671 		tdm_priv->bck_invert = TDM_BCK_INV;  in mtk_dai_tdm_set_fmt()
672 		tdm_priv->lck_invert = TDM_LCK_NON_INV;  in mtk_dai_tdm_set_fmt()
676 		tdm_priv->bck_invert = TDM_BCK_INV;  in mtk_dai_tdm_set_fmt()
677 		tdm_priv->lck_invert = TDM_LCK_INV;  in mtk_dai_tdm_set_fmt()
691 /* dai driver */
719 	struct mt8183_afe_private *afe_priv = afe->platform_priv;  in mt8183_dai_tdm_register()
721 	struct mtk_base_afe_dai *dai;  in mt8183_dai_tdm_register()  local
723 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);  in mt8183_dai_tdm_register()
724 	if (!dai)  in mt8183_dai_tdm_register()
725 		return -ENOMEM;  in mt8183_dai_tdm_register()
727 	list_add(&dai->list, &afe->sub_dais);  in mt8183_dai_tdm_register()
729 	dai->dai_drivers = mtk_dai_tdm_driver;  in mt8183_dai_tdm_register()
730 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_tdm_driver);  in mt8183_dai_tdm_register()
732 	dai->dapm_widgets = mtk_dai_tdm_widgets;  in mt8183_dai_tdm_register()
733 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_tdm_widgets);  in mt8183_dai_tdm_register()
734 	dai->dapm_routes = mtk_dai_tdm_routes;  in mt8183_dai_tdm_register()
735 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_tdm_routes);  in mt8183_dai_tdm_register()
737 	tdm_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_afe_tdm_priv),  in mt8183_dai_tdm_register()
740 		return -ENOMEM;  in mt8183_dai_tdm_register()
742 	tdm_priv->mclk_multiple = 128;  in mt8183_dai_tdm_register()
743 	tdm_priv->bck_id = MT8183_I2S4_BCK;  in mt8183_dai_tdm_register()
744 	tdm_priv->mclk_id = MT8183_I2S4_MCK;  in mt8183_dai_tdm_register()
746 	afe_priv->dai_priv[MT8183_DAI_TDM] = tdm_priv;  in mt8183_dai_tdm_register()