1 // SPDX-License-Identifier: GPL-2.0
3  * MediaTek ALSA SoC Audio DAI PCM I/F Control
12 #include "mt8195-afe-clk.h"
13 #include "mt8195-afe-common.h"
14 #include "mt8195-reg.h"
60 	return -EINVAL;  in mtk_dai_pcm_mode()
122 	struct snd_pcm_runtime * const runtime = substream->runtime;  in mtk_dai_pcm_configure()
124 	struct mt8195_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_pcm_configure()
130 	unsigned int bit_width = dai->sample_bits;  in mtk_dai_pcm_configure()
136 	if (dai->id != MT8195_AFE_IO_PCM)  in mtk_dai_pcm_configure()
137 		return -EINVAL;  in mtk_dai_pcm_configure()
139 	pcmif_priv = afe_priv->dai_priv[dai->id];  in mtk_dai_pcm_configure()
140 	slave_mode = pcmif_priv->slave_mode;  in mtk_dai_pcm_configure()
141 	lrck_inv = pcmif_priv->lrck_inv;  in mtk_dai_pcm_configure()
142 	bck_inv = pcmif_priv->bck_inv;  in mtk_dai_pcm_configure()
143 	fmt = pcmif_priv->format;  in mtk_dai_pcm_configure()
146 	fs = mt8195_afe_fs_timing(runtime->rate);  in mtk_dai_pcm_configure()
148 		return -EINVAL;  in mtk_dai_pcm_configure()
153 	if (runtime->rate % 8000)  in mtk_dai_pcm_configure()
159 	regmap_update_bits(afe->regmap, PCM_INTF_CON2, mask, val);  in mtk_dai_pcm_configure()
165 	mode = mtk_dai_pcm_mode(runtime->rate);  in mtk_dai_pcm_configure()
167 		return -EINVAL;  in mtk_dai_pcm_configure()
216 	regmap_update_bits(afe->regmap, PCM_INTF_CON1, mask, val);  in mtk_dai_pcm_configure()
228 	dev_dbg(dai->dev, "%s(), id %d, stream %d, widget active p %d, c %d\n",  in mtk_dai_pcm_prepare()
229 		__func__, dai->id, substream->stream,  in mtk_dai_pcm_prepare()
230 		p->active, c->active);  in mtk_dai_pcm_prepare()
232 	if (p->active || c->active)  in mtk_dai_pcm_prepare()
241 	struct mt8195_afe_private *afe_priv = afe->platform_priv;  in mtk_dai_pcm_set_fmt()
244 	dev_dbg(dai->dev, "%s fmt 0x%x\n", __func__, fmt);  in mtk_dai_pcm_set_fmt()
246 	if (dai->id != MT8195_AFE_IO_PCM)  in mtk_dai_pcm_set_fmt()
247 		return -EINVAL;  in mtk_dai_pcm_set_fmt()
249 	pcmif_priv = afe_priv->dai_priv[dai->id];  in mtk_dai_pcm_set_fmt()
253 		pcmif_priv->format = MTK_DAI_PCM_FMT_I2S;  in mtk_dai_pcm_set_fmt()
256 		pcmif_priv->format = MTK_DAI_PCM_FMT_MODEA;  in mtk_dai_pcm_set_fmt()
259 		pcmif_priv->format = MTK_DAI_PCM_FMT_MODEB;  in mtk_dai_pcm_set_fmt()
262 		return -EINVAL;  in mtk_dai_pcm_set_fmt()
267 		pcmif_priv->bck_inv = 0;  in mtk_dai_pcm_set_fmt()
268 		pcmif_priv->lrck_inv = 0;  in mtk_dai_pcm_set_fmt()
271 		pcmif_priv->bck_inv = 0;  in mtk_dai_pcm_set_fmt()
272 		pcmif_priv->lrck_inv = 1;  in mtk_dai_pcm_set_fmt()
275 		pcmif_priv->bck_inv = 1;  in mtk_dai_pcm_set_fmt()
276 		pcmif_priv->lrck_inv = 0;  in mtk_dai_pcm_set_fmt()
279 		pcmif_priv->bck_inv = 1;  in mtk_dai_pcm_set_fmt()
280 		pcmif_priv->lrck_inv = 1;  in mtk_dai_pcm_set_fmt()
283 		return -EINVAL;  in mtk_dai_pcm_set_fmt()
288 		pcmif_priv->slave_mode = 1;  in mtk_dai_pcm_set_fmt()
291 		pcmif_priv->slave_mode = 0;  in mtk_dai_pcm_set_fmt()
294 		return -EINVAL;  in mtk_dai_pcm_set_fmt()
338 	struct mt8195_afe_private *afe_priv = afe->platform_priv;  in init_pcmif_priv_data()
341 	pcmif_priv = devm_kzalloc(afe->dev, sizeof(struct mtk_dai_pcmif_priv),  in init_pcmif_priv_data()
344 		return -ENOMEM;  in init_pcmif_priv_data()
346 	afe_priv->dai_priv[MT8195_AFE_IO_PCM] = pcmif_priv;  in init_pcmif_priv_data()
354 	dai = devm_kzalloc(afe->dev, sizeof(*dai), GFP_KERNEL);  in mt8195_dai_pcm_register()
356 		return -ENOMEM;  in mt8195_dai_pcm_register()
358 	list_add(&dai->list, &afe->sub_dais);  in mt8195_dai_pcm_register()
360 	dai->dai_drivers = mtk_dai_pcm_driver;  in mt8195_dai_pcm_register()
361 	dai->num_dai_drivers = ARRAY_SIZE(mtk_dai_pcm_driver);  in mt8195_dai_pcm_register()
363 	dai->dapm_widgets = mtk_dai_pcm_widgets;  in mt8195_dai_pcm_register()
364 	dai->num_dapm_widgets = ARRAY_SIZE(mtk_dai_pcm_widgets);  in mt8195_dai_pcm_register()
365 	dai->dapm_routes = mtk_dai_pcm_routes;  in mt8195_dai_pcm_register()
366 	dai->num_dapm_routes = ARRAY_SIZE(mtk_dai_pcm_routes);  in mt8195_dai_pcm_register()