1 files changed, 68 insertions, 19 deletions

diff --git a/sound/soc/meson/axg-card.c b/sound/soc/meson/axg-card.c
index aa54d2c612c9..14a8321744da 100644
--- a/sound/soc/meson/axg-card.c
+++ b/sound/soc/meson/axg-card.c
@@ -29,6 +29,18 @@ struct axg_dai_link_tdm_data {
 	struct axg_dai_link_tdm_mask *codec_masks;
 };
 
+/*
+ * Base params for the codec to codec links
+ * Those will be over-written by the CPU side of the link
+ */
+static const struct snd_soc_pcm_stream codec_params = {
+	.formats = SNDRV_PCM_FMTBIT_S24_LE,
+	.rate_min = 5525,
+	.rate_max = 192000,
+	.channels_min = 1,
+	.channels_max = 8,
+};
+
 #define PREFIX "amlogic,"
 
 static int axg_card_reallocate_links(struct axg_card *priv,
@@ -80,10 +92,11 @@ static int axg_card_parse_dai(struct snd_soc_card *card,
 
 static int axg_card_set_link_name(struct snd_soc_card *card,
 				  struct snd_soc_dai_link *link,
+				  struct device_node *node,
 				  const char *prefix)
 {
 	char *name = devm_kasprintf(card->dev, GFP_KERNEL, "%s.%s",
-				    prefix, link->cpu_of_node->full_name);
+				    prefix, node->full_name);
 	if (!name)
 		return -ENOMEM;
 
@@ -102,7 +115,8 @@ static void axg_card_clean_references(struct axg_card *priv)
 
 	if (card->dai_link) {
 		for_each_card_prelinks(card, i, link) {
-			of_node_put(link->cpu_of_node);
+			if (link->cpus)
+				of_node_put(link->cpus->of_node);
 			for_each_link_codecs(link, j, codec)
 				of_node_put(codec->of_node);
 		}
@@ -241,6 +255,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card,
 	struct axg_card *priv = snd_soc_card_get_drvdata(card);
 	struct snd_soc_dai_link *pad = &card->dai_link[*index];
 	struct snd_soc_dai_link *lb;
+	struct snd_soc_dai_link_component *dlc;
 	int ret;
 
 	/* extend links */
@@ -254,11 +269,20 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card,
 	if (!lb->name)
 		return -ENOMEM;
 
+	dlc = devm_kzalloc(card->dev, 2 * sizeof(*dlc), GFP_KERNEL);
+	if (!dlc)
+		return -ENOMEM;
+
+	lb->cpus = &dlc[0];
+	lb->codecs = &dlc[1];
+	lb->num_cpus = 1;
+	lb->num_codecs = 1;
+
 	lb->stream_name = lb->name;
-	lb->cpu_of_node = pad->cpu_of_node;
-	lb->cpu_dai_name = "TDM Loopback";
-	lb->codec_name = "snd-soc-dummy";
-	lb->codec_dai_name = "snd-soc-dummy-dai";
+	lb->cpus->of_node = pad->cpus->of_node;
+	lb->cpus->dai_name = "TDM Loopback";
+	lb->codecs->name = "snd-soc-dummy";
+	lb->codecs->dai_name = "snd-soc-dummy-dai";
 	lb->dpcm_capture = 1;
 	lb->no_pcm = 1;
 	lb->ops = &axg_card_tdm_be_ops;
@@ -271,7 +295,7 @@ static int axg_card_add_tdm_loopback(struct snd_soc_card *card,
 	 * axg_card_clean_references() will iterate over this link,
 	 * make sure the node count is balanced
 	 */
-	of_node_get(lb->cpu_of_node);
+	of_node_get(lb->cpus->of_node);
 
 	/* Let add_links continue where it should */
 	*index += 1;
@@ -413,7 +437,7 @@ static int axg_card_parse_tdm(struct snd_soc_card *card,
 	/* Setup tdm link */
 	link->ops = &axg_card_tdm_be_ops;
 	link->init = axg_card_tdm_dai_init;
-	link->dai_fmt = axg_card_parse_daifmt(node, link->cpu_of_node);
+	link->dai_fmt = axg_card_parse_daifmt(node, link->cpus->of_node);
 
 	of_property_read_u32(node, "mclk-fs", &be->mclk_fs);
 
@@ -474,7 +498,7 @@ static int axg_card_set_be_link(struct snd_soc_card *card,
 		codec++;
 	}
 
-	ret = axg_card_set_link_name(card, link, "be");
+	ret = axg_card_set_link_name(card, link, node, "be");
 	if (ret)
 		dev_err(card->dev, "error setting %pOFn link name\n", np);
 
@@ -483,21 +507,31 @@ static int axg_card_set_be_link(struct snd_soc_card *card,
 
 static int axg_card_set_fe_link(struct snd_soc_card *card,
 				struct snd_soc_dai_link *link,
+				struct device_node *node,
 				bool is_playback)
 {
+	struct snd_soc_dai_link_component *codec;
+
+	codec = devm_kzalloc(card->dev, sizeof(*codec), GFP_KERNEL);
+	if (!codec)
+		return -ENOMEM;
+
+	link->codecs = codec;
+	link->num_codecs = 1;
+
 	link->dynamic = 1;
 	link->dpcm_merged_format = 1;
 	link->dpcm_merged_chan = 1;
 	link->dpcm_merged_rate = 1;
-	link->codec_dai_name = "snd-soc-dummy-dai";
-	link->codec_name = "snd-soc-dummy";
+	link->codecs->dai_name = "snd-soc-dummy-dai";
+	link->codecs->name = "snd-soc-dummy";
 
 	if (is_playback)
 		link->dpcm_playback = 1;
 	else
 		link->dpcm_capture = 1;
 
-	return axg_card_set_link_name(card, link, "fe");
+	return axg_card_set_link_name(card, link, node, "fe");
 }
 
 static int axg_card_cpu_is_capture_fe(struct device_node *np)
@@ -515,29 +549,44 @@ static int axg_card_cpu_is_tdm_iface(struct device_node *np)
 	return of_device_is_compatible(np, PREFIX "axg-tdm-iface");
 }
 
+static int axg_card_cpu_is_codec(struct device_node *np)
+{
+	return of_device_is_compatible(np, PREFIX "g12a-tohdmitx");
+}
+
 static int axg_card_add_link(struct snd_soc_card *card, struct device_node *np,
 			     int *index)
 {
 	struct snd_soc_dai_link *dai_link = &card->dai_link[*index];
+	struct snd_soc_dai_link_component *cpu;
 	int ret;
 
-	ret = axg_card_parse_dai(card, np, &dai_link->cpu_of_node,
-				 &dai_link->cpu_dai_name);
+	cpu = devm_kzalloc(card->dev, sizeof(*cpu), GFP_KERNEL);
+	if (!cpu)
+		return -ENOMEM;
+
+	dai_link->cpus = cpu;
+	dai_link->num_cpus = 1;
+
+	ret = axg_card_parse_dai(card, np, &dai_link->cpus->of_node,
+				 &dai_link->cpus->dai_name);
 	if (ret)
 		return ret;
 
-	if (axg_card_cpu_is_playback_fe(dai_link->cpu_of_node))
-		ret = axg_card_set_fe_link(card, dai_link, true);
-	else if (axg_card_cpu_is_capture_fe(dai_link->cpu_of_node))
-		ret = axg_card_set_fe_link(card, dai_link, false);
+	if (axg_card_cpu_is_playback_fe(dai_link->cpus->of_node))
+		ret = axg_card_set_fe_link(card, dai_link, np, true);
+	else if (axg_card_cpu_is_capture_fe(dai_link->cpus->of_node))
+		ret = axg_card_set_fe_link(card, dai_link, np, false);
 	else
 		ret = axg_card_set_be_link(card, dai_link, np);
 
 	if (ret)
 		return ret;
 
-	if (axg_card_cpu_is_tdm_iface(dai_link->cpu_of_node))
+	if (axg_card_cpu_is_tdm_iface(dai_link->cpus->of_node))
 		ret = axg_card_parse_tdm(card, np, index);
+	else if (axg_card_cpu_is_codec(dai_link->cpus->of_node))
+		dai_link->params = &codec_params;
 
 	return ret;
 }