1 // SPDX-License-Identifier: GPL-2.0
3  * MediaTek 8365 ALSA SoC Audio DAI PCM Control
13 #include "mt8365-afe-clk.h"
14 #include "mt8365-afe-common.h"
20 	unsigned int format;  member
23 /* DAI Drivers */
27 	regmap_update_bits(afe->regmap, PCM_INTF_CON1,  in mt8365_dai_enable_pcm1()
33 	regmap_update_bits(afe->regmap, PCM_INTF_CON1,  in mt8365_dai_disable_pcm1()
38 				     struct snd_soc_dai *dai)  in mt8365_dai_configure_pcm1()  argument
40 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mt8365_dai_configure_pcm1()
41 	struct mt8365_afe_private *afe_priv = afe->platform_priv;  in mt8365_dai_configure_pcm1()
42 	struct mt8365_pcm_intf_data *pcm_priv = afe_priv->dai_priv[MT8365_AFE_IO_PCM1];  in mt8365_dai_configure_pcm1()
43 	bool slave_mode = pcm_priv->slave_mode;  in mt8365_dai_configure_pcm1()
44 	bool lrck_inv = pcm_priv->lrck_inv;  in mt8365_dai_configure_pcm1()
45 	bool bck_inv = pcm_priv->bck_inv;  in mt8365_dai_configure_pcm1()
46 	unsigned int fmt = pcm_priv->format;  in mt8365_dai_configure_pcm1()
47 	unsigned int bit_width = dai->symmetric_sample_bits;  in mt8365_dai_configure_pcm1()
77 	switch (substream->runtime->rate) {  in mt8365_dai_configure_pcm1()
91 		return -EINVAL;  in mt8365_dai_configure_pcm1()
101 	regmap_update_bits(afe->regmap, PCM_INTF_CON1,  in mt8365_dai_configure_pcm1()
108 				   struct snd_soc_dai *dai)  in mt8365_dai_pcm1_startup()  argument
110 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mt8365_dai_pcm1_startup()
112 	if (snd_soc_dai_active(dai))  in mt8365_dai_pcm1_startup()
121 				     struct snd_soc_dai *dai)  in mt8365_dai_pcm1_shutdown()  argument
123 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mt8365_dai_pcm1_shutdown()
125 	if (snd_soc_dai_active(dai))  in mt8365_dai_pcm1_shutdown()
133 				   struct snd_soc_dai *dai)  in mt8365_dai_pcm1_prepare()  argument
135 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mt8365_dai_pcm1_prepare()
138 	if ((snd_soc_dai_stream_active(dai, SNDRV_PCM_STREAM_PLAYBACK) +  in mt8365_dai_pcm1_prepare()
139 	    snd_soc_dai_stream_active(dai, SNDRV_PCM_STREAM_CAPTURE)) > 1) {  in mt8365_dai_pcm1_prepare()
140 		dev_info(afe->dev, "%s '%s' active(%u-%u) already\n",  in mt8365_dai_pcm1_prepare()
142 			 snd_soc_dai_stream_active(dai, SNDRV_PCM_STREAM_PLAYBACK),  in mt8365_dai_pcm1_prepare()
143 			 snd_soc_dai_stream_active(dai, SNDRV_PCM_STREAM_CAPTURE));  in mt8365_dai_pcm1_prepare()
147 	ret = mt8365_dai_configure_pcm1(substream, dai);  in mt8365_dai_pcm1_prepare()
156 static int mt8365_dai_pcm1_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)  in mt8365_dai_pcm1_set_fmt()  argument
158 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mt8365_dai_pcm1_set_fmt()
159 	struct mt8365_afe_private *afe_priv = afe->platform_priv;  in mt8365_dai_pcm1_set_fmt()
160 	struct mt8365_pcm_intf_data *pcm_priv = afe_priv->dai_priv[MT8365_AFE_IO_PCM1];  in mt8365_dai_pcm1_set_fmt()
164 		pcm_priv->format = MT8365_PCM_FORMAT_I2S;  in mt8365_dai_pcm1_set_fmt()
167 		return -EINVAL;  in mt8365_dai_pcm1_set_fmt()
172 		pcm_priv->bck_inv = false;  in mt8365_dai_pcm1_set_fmt()
173 		pcm_priv->lrck_inv = false;  in mt8365_dai_pcm1_set_fmt()
176 		pcm_priv->bck_inv = false;  in mt8365_dai_pcm1_set_fmt()
177 		pcm_priv->lrck_inv = true;  in mt8365_dai_pcm1_set_fmt()
180 		pcm_priv->bck_inv = true;  in mt8365_dai_pcm1_set_fmt()
181 		pcm_priv->lrck_inv = false;  in mt8365_dai_pcm1_set_fmt()
184 		pcm_priv->bck_inv = true;  in mt8365_dai_pcm1_set_fmt()
185 		pcm_priv->lrck_inv = true;  in mt8365_dai_pcm1_set_fmt()
188 		return -EINVAL;  in mt8365_dai_pcm1_set_fmt()
193 		pcm_priv->slave_mode = true;  in mt8365_dai_pcm1_set_fmt()
196 		pcm_priv->slave_mode = false;  in mt8365_dai_pcm1_set_fmt()
199 		return -EINVAL;  in mt8365_dai_pcm1_set_fmt()
244 /* DAI widget */
251 /* DAI route */
265 	struct mt8365_afe_private *afe_priv = afe->platform_priv;  in init_pcmif_priv_data()
268 	pcmif_priv = devm_kzalloc(afe->dev, sizeof(struct mt8365_pcm_intf_data),  in init_pcmif_priv_data()
271 		return -ENOMEM;  in init_pcmif_priv_data()
273 	afe_priv->dai_priv[MT8365_AFE_IO_PCM1] = pcmif_priv;  in init_pcmif_priv_data()
279 	struct mtk_base_afe_dai *dai;  in mt8365_dai_pcm_register()  local
281 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);  in mt8365_dai_pcm_register()
282 	if (!dai)  in mt8365_dai_pcm_register()
283 		return -ENOMEM;  in mt8365_dai_pcm_register()
285 	list_add(&dai->list, &afe->sub_dais);  in mt8365_dai_pcm_register()
286 	dai->dai_drivers = mtk_dai_pcm_driver;  in mt8365_dai_pcm_register()
287 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);  in mt8365_dai_pcm_register()
288 	dai->dapm_widgets = mtk_dai_pcm_widgets;  in mt8365_dai_pcm_register()
289 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);  in mt8365_dai_pcm_register()
290 	dai->dapm_routes = mtk_dai_pcm_routes;  in mt8365_dai_pcm_register()
291 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);  in mt8365_dai_pcm_register()