Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 192 insertions, 0 deletions

diff --git a/sound/soc/mediatek/common/mtk-dsp-sof-common.c b/sound/soc/mediatek/common/mtk-dsp-sof-common.c
new file mode 100644
index 0000000000..21a9403b7e
--- /dev/null
+++ b/sound/soc/mediatek/common/mtk-dsp-sof-common.c
@@ -0,0 +1,192 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * mtk-dsp-sof-common.c  --  MediaTek dsp sof common ctrl
+ *
+ * Copyright (c) 2022 MediaTek Inc.
+ * Author: Chunxu Li <chunxu.li@mediatek.com>
+ */
+
+#include "mtk-dsp-sof-common.h"
+#include "mtk-soc-card.h"
+
+/* fixup the BE DAI link to match any values from topology */
+int mtk_sof_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
+			   struct snd_pcm_hw_params *params)
+{
+	struct snd_soc_card *card = rtd->card;
+	struct mtk_soc_card_data *soc_card_data = snd_soc_card_get_drvdata(card);
+	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
+	int i, j, ret = 0;
+
+	for (i = 0; i < sof_priv->num_streams; i++) {
+		struct snd_soc_dai *cpu_dai;
+		struct snd_soc_pcm_runtime *runtime;
+		struct snd_soc_dai_link *sof_dai_link = NULL;
+		const struct sof_conn_stream *conn = &sof_priv->conn_streams[i];
+
+		if (conn->normal_link && strcmp(rtd->dai_link->name, conn->normal_link))
+			continue;
+
+		for_each_card_rtds(card, runtime) {
+			if (strcmp(runtime->dai_link->name, conn->sof_link))
+				continue;
+
+			for_each_rtd_cpu_dais(runtime, j, cpu_dai) {
+				if (snd_soc_dai_stream_active(cpu_dai, conn->stream_dir) > 0) {
+					sof_dai_link = runtime->dai_link;
+					break;
+				}
+			}
+			break;
+		}
+
+		if (sof_dai_link && sof_dai_link->be_hw_params_fixup)
+			ret = sof_dai_link->be_hw_params_fixup(runtime, params);
+
+		break;
+	}
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(mtk_sof_dai_link_fixup);
+
+int mtk_sof_card_probe(struct snd_soc_card *card)
+{
+	int i;
+	struct snd_soc_dai_link *dai_link;
+
+	/* Set stream_name to help sof bind widgets */
+	for_each_card_prelinks(card, i, dai_link) {
+		if (dai_link->no_pcm && !dai_link->stream_name && dai_link->name)
+			dai_link->stream_name = dai_link->name;
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_sof_card_probe);
+
+int mtk_sof_card_late_probe(struct snd_soc_card *card)
+{
+	struct snd_soc_pcm_runtime *rtd;
+	struct snd_soc_component *sof_comp = NULL;
+	struct mtk_soc_card_data *soc_card_data =
+		snd_soc_card_get_drvdata(card);
+	struct mtk_sof_priv *sof_priv = soc_card_data->sof_priv;
+	int i;
+
+	/* 1. find sof component */
+	for_each_card_rtds(card, rtd) {
+		sof_comp = snd_soc_rtdcom_lookup(rtd, "sof-audio-component");
+		if (sof_comp)
+			break;
+	}
+
+	if (!sof_comp) {
+		dev_info(card->dev, "probe without sof-audio-component\n");
+		return 0;
+	}
+
+	/* 2. add route path and fixup callback */
+	for (i = 0; i < sof_priv->num_streams; i++) {
+		const struct sof_conn_stream *conn = &sof_priv->conn_streams[i];
+		struct snd_soc_pcm_runtime *sof_rtd = NULL;
+		struct snd_soc_pcm_runtime *normal_rtd = NULL;
+
+		for_each_card_rtds(card, rtd) {
+			if (!strcmp(rtd->dai_link->name, conn->sof_link)) {
+				sof_rtd = rtd;
+				continue;
+			}
+			if (!strcmp(rtd->dai_link->name, conn->normal_link)) {
+				normal_rtd = rtd;
+				continue;
+			}
+			if (normal_rtd && sof_rtd)
+				break;
+		}
+		if (normal_rtd && sof_rtd) {
+			int j;
+			struct snd_soc_dai *cpu_dai;
+
+			for_each_rtd_cpu_dais(sof_rtd, j, cpu_dai) {
+				struct snd_soc_dapm_route route;
+				struct snd_soc_dapm_path *p = NULL;
+				struct snd_soc_dapm_widget *widget = snd_soc_dai_get_widget(cpu_dai, conn->stream_dir);
+
+				memset(&route, 0, sizeof(route));
+				if (conn->stream_dir == SNDRV_PCM_STREAM_CAPTURE && widget) {
+					snd_soc_dapm_widget_for_each_sink_path(widget, p) {
+						route.source = conn->sof_dma;
+						route.sink = p->sink->name;
+						snd_soc_dapm_add_routes(&card->dapm, &route, 1);
+					}
+				} else if (conn->stream_dir == SNDRV_PCM_STREAM_PLAYBACK && widget) {
+					snd_soc_dapm_widget_for_each_source_path(widget, p) {
+						route.source = p->source->name;
+						route.sink = conn->sof_dma;
+						snd_soc_dapm_add_routes(&card->dapm, &route, 1);
+					}
+				} else {
+					dev_err(cpu_dai->dev, "stream dir and widget not pair\n");
+				}
+			}
+
+			sof_rtd->dai_link->be_hw_params_fixup =
+				sof_comp->driver->be_hw_params_fixup;
+			if (sof_priv->sof_dai_link_fixup)
+				normal_rtd->dai_link->be_hw_params_fixup =
+					sof_priv->sof_dai_link_fixup;
+			else
+				normal_rtd->dai_link->be_hw_params_fixup = mtk_sof_dai_link_fixup;
+		}
+	}
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_sof_card_late_probe);
+
+int mtk_sof_dailink_parse_of(struct snd_soc_card *card, struct device_node *np,
+			     const char *propname, struct snd_soc_dai_link *pre_dai_links,
+			     int pre_num_links)
+{
+	struct device *dev = card->dev;
+	struct snd_soc_dai_link *parsed_dai_link;
+	const char *dai_name = NULL;
+	int i, j, ret, num_links, parsed_num_links = 0;
+
+	num_links = of_property_count_strings(np, "mediatek,dai-link");
+	if (num_links < 0 || num_links > card->num_links) {
+		dev_dbg(dev, "number of dai-link is invalid\n");
+		return -EINVAL;
+	}
+
+	parsed_dai_link = devm_kcalloc(dev, num_links, sizeof(*parsed_dai_link), GFP_KERNEL);
+	if (!parsed_dai_link)
+		return -ENOMEM;
+
+	for (i = 0; i < num_links; i++) {
+		ret = of_property_read_string_index(np, propname, i, &dai_name);
+		if (ret) {
+			dev_dbg(dev, "ASoC: Property '%s' index %d could not be read: %d\n",
+				propname, i, ret);
+			return ret;
+		}
+		dev_dbg(dev, "ASoC: Property get dai_name:%s\n", dai_name);
+		for (j = 0; j < pre_num_links; j++) {
+			if (!strcmp(dai_name, pre_dai_links[j].name)) {
+				memcpy(&parsed_dai_link[parsed_num_links++], &pre_dai_links[j],
+				       sizeof(struct snd_soc_dai_link));
+				break;
+			}
+		}
+	}
+
+	if (parsed_num_links != num_links)
+		return -EINVAL;
+
+	card->dai_link = parsed_dai_link;
+	card->num_links = parsed_num_links;
+
+	return 0;
+}
+EXPORT_SYMBOL_GPL(mtk_sof_dailink_parse_of);