1 // SPDX-License-Identifier: GPL-2.0
3  * MediaTek ALSA SoC Audio DAI eTDM Control
14 #include "mt7986-afe-common.h"
15 #include "mt7986-reg.h"
43 	unsigned int format;  member
87 /* dai component */
117 /* dai ops */
119 				struct snd_soc_dai *dai)  in mtk_dai_etdm_startup()  argument
121 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_etdm_startup()
122 	struct mt7986_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_etdm_startup()
125 	ret = clk_bulk_prepare_enable(afe_priv->num_clks, afe_priv->clks);  in mtk_dai_etdm_startup()
127 		return dev_err_probe(afe->dev, ret, "Failed to enable clocks\n");  in mtk_dai_etdm_startup()
129 	regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_OUT5_PDN_MASK, 0);  in mtk_dai_etdm_startup()
130 	regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_IN5_PDN_MASK, 0);  in mtk_dai_etdm_startup()
136 				  struct snd_soc_dai *dai)  in mtk_dai_etdm_shutdown()  argument
138 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_etdm_shutdown()
139 	struct mt7986_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_etdm_shutdown()
141 	regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_OUT5_PDN_MASK,  in mtk_dai_etdm_shutdown()
143 	regmap_update_bits(afe->regmap, AUDIO_TOP_CON2, CLK_IN5_PDN_MASK,  in mtk_dai_etdm_shutdown()
146 	clk_bulk_disable_unprepare(afe_priv->num_clks, afe_priv->clks);  in mtk_dai_etdm_shutdown()
165 			       struct snd_soc_dai *dai,  in mtk_dai_etdm_config()  argument
168 	struct mt7986_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_etdm_config()
169 	struct mtk_dai_etdm_priv *etdm_data = afe_priv->dai_priv[dai->id];  in mtk_dai_etdm_config()
171 	unsigned int etdm_rate = mt7986_etdm_rate_transform(afe->dev, rate);  in mtk_dai_etdm_config()
172 	unsigned int afe_rate = mt7986_afe_rate_transform(afe->dev, rate);  in mtk_dai_etdm_config()
179 	dev_dbg(afe->dev, "%s(), stream %d, rate %u, bitwidth %u\n",  in mtk_dai_etdm_config()
184 	val |= FIELD_PREP(ETDM_BIT_LEN_MASK, bit_width - 1);  in mtk_dai_etdm_config()
186 	val |= FIELD_PREP(ETDM_WRD_LEN_MASK, wlen - 1);  in mtk_dai_etdm_config()
188 	val |= FIELD_PREP(ETDM_FMT_MASK, etdm_data->format);  in mtk_dai_etdm_config()
190 	val |= FIELD_PREP(ETDM_CH_NUM_MASK, get_etdm_ch_fixup(channels) - 1);  in mtk_dai_etdm_config()
197 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON0, mask, val);  in mtk_dai_etdm_config()
200 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON4,  in mtk_dai_etdm_config()
202 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON4,  in mtk_dai_etdm_config()
204 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON4,  in mtk_dai_etdm_config()
208 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON5,  in mtk_dai_etdm_config()
213 		regmap_update_bits(afe->regmap, ETDM_IN5_CON0, mask, val);  in mtk_dai_etdm_config()
214 		regmap_update_bits(afe->regmap, ETDM_IN5_CON0,  in mtk_dai_etdm_config()
218 		regmap_update_bits(afe->regmap, ETDM_IN5_CON2,  in mtk_dai_etdm_config()
222 		regmap_update_bits(afe->regmap, ETDM_IN5_CON3,  in mtk_dai_etdm_config()
226 		regmap_update_bits(afe->regmap, ETDM_IN5_CON4,  in mtk_dai_etdm_config()
238 				  struct snd_soc_dai *dai)  in mtk_dai_etdm_hw_params()  argument
241 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_etdm_hw_params()
252 		mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_PLAYBACK);  in mtk_dai_etdm_hw_params()
253 		mtk_dai_etdm_config(afe, params, dai, SNDRV_PCM_STREAM_CAPTURE);  in mtk_dai_etdm_hw_params()
256 		dev_err(afe->dev,  in mtk_dai_etdm_hw_params()
259 		return -EINVAL;  in mtk_dai_etdm_hw_params()
264 				struct snd_soc_dai *dai)  in mtk_dai_etdm_trigger()  argument
266 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_etdm_trigger()
268 	dev_dbg(afe->dev, "%s(), cmd %d, dai id %d\n", __func__, cmd, dai->id);  in mtk_dai_etdm_trigger()
272 		regmap_update_bits(afe->regmap, ETDM_IN5_CON0, ETDM_EN_MASK,  in mtk_dai_etdm_trigger()
274 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON0, ETDM_EN_MASK,  in mtk_dai_etdm_trigger()
279 		regmap_update_bits(afe->regmap, ETDM_IN5_CON0, ETDM_EN_MASK,  in mtk_dai_etdm_trigger()
281 		regmap_update_bits(afe->regmap, ETDM_OUT5_CON0, ETDM_EN_MASK,  in mtk_dai_etdm_trigger()
291 static int mtk_dai_etdm_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)  in mtk_dai_etdm_set_fmt()  argument
293 	struct mtk_base_afe *afe = snd_soc_dai_get_drvdata(dai);  in mtk_dai_etdm_set_fmt()
294 	struct mt7986_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_etdm_set_fmt()
298 	switch (dai->id) {  in mtk_dai_etdm_set_fmt()
302 		dev_warn(afe->dev, "%s(), id %d not support\n",  in mtk_dai_etdm_set_fmt()
303 			 __func__, dai->id);  in mtk_dai_etdm_set_fmt()
304 		return -EINVAL;  in mtk_dai_etdm_set_fmt()
307 	priv_data = devm_kzalloc(afe->dev, sizeof(struct mtk_dai_etdm_priv),  in mtk_dai_etdm_set_fmt()
310 		return -ENOMEM;  in mtk_dai_etdm_set_fmt()
312 	afe_priv->dai_priv[dai->id] = priv_data;  in mtk_dai_etdm_set_fmt()
313 	etdm_data = afe_priv->dai_priv[dai->id];  in mtk_dai_etdm_set_fmt()
317 		etdm_data->format = MTK_DAI_ETDM_FORMAT_I2S;  in mtk_dai_etdm_set_fmt()
320 		etdm_data->format = MTK_DAI_ETDM_FORMAT_DSPA;  in mtk_dai_etdm_set_fmt()
323 		etdm_data->format = MTK_DAI_ETDM_FORMAT_DSPB;  in mtk_dai_etdm_set_fmt()
326 		return -EINVAL;  in mtk_dai_etdm_set_fmt()
331 		etdm_data->bck_inv = false;  in mtk_dai_etdm_set_fmt()
332 		etdm_data->lrck_inv = false;  in mtk_dai_etdm_set_fmt()
335 		etdm_data->bck_inv = false;  in mtk_dai_etdm_set_fmt()
336 		etdm_data->lrck_inv = true;  in mtk_dai_etdm_set_fmt()
339 		etdm_data->bck_inv = true;  in mtk_dai_etdm_set_fmt()
340 		etdm_data->lrck_inv = false;  in mtk_dai_etdm_set_fmt()
343 		etdm_data->bck_inv = true;  in mtk_dai_etdm_set_fmt()
344 		etdm_data->lrck_inv = true;  in mtk_dai_etdm_set_fmt()
347 		return -EINVAL;  in mtk_dai_etdm_set_fmt()
352 		etdm_data->slave_mode = true;  in mtk_dai_etdm_set_fmt()
355 		etdm_data->slave_mode = false;  in mtk_dai_etdm_set_fmt()
358 		return -EINVAL;  in mtk_dai_etdm_set_fmt()
372 /* dai driver */
409 	struct mtk_base_afe_dai *dai;  in mt7986_dai_etdm_register()  local
411 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);  in mt7986_dai_etdm_register()
412 	if (!dai)  in mt7986_dai_etdm_register()
413 		return -ENOMEM;  in mt7986_dai_etdm_register()
415 	list_add(&dai->list, &afe->sub_dais);  in mt7986_dai_etdm_register()
417 	dai->dai_drivers = mtk_dai_etdm_driver;  in mt7986_dai_etdm_register()
418 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_etdm_driver);  in mt7986_dai_etdm_register()
420 	dai->dapm_widgets = mtk_dai_etdm_widgets;  in mt7986_dai_etdm_register()
421 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_etdm_widgets);  in mt7986_dai_etdm_register()
422 	dai->dapm_routes = mtk_dai_etdm_routes;  in mt7986_dai_etdm_register()
423 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_etdm_routes);  in mt7986_dai_etdm_register()