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-rw-r--r--sound/soc/generic/audio-graph-card.c107
-rw-r--r--sound/soc/generic/audio-graph-card2-custom-sample.dtsi165
-rw-r--r--sound/soc/generic/audio-graph-card2.c107
-rw-r--r--sound/soc/generic/simple-card-utils.c118
-rw-r--r--sound/soc/generic/simple-card.c4
5 files changed, 229 insertions, 272 deletions
diff --git a/sound/soc/generic/audio-graph-card.c b/sound/soc/generic/audio-graph-card.c
index 4e85536a1b26..c6e0f9132193 100644
--- a/sound/soc/generic/audio-graph-card.c
+++ b/sound/soc/generic/audio-graph-card.c
@@ -55,60 +55,6 @@ static const struct snd_soc_ops graph_ops = {
.hw_params = asoc_simple_hw_params,
};
-static int graph_get_dai_id(struct device_node *ep)
-{
- struct device_node *node;
- struct device_node *endpoint;
- struct of_endpoint info;
- int i, id;
- const u32 *reg;
- int ret;
-
- /* use driver specified DAI ID if exist */
- ret = snd_soc_get_dai_id(ep);
- if (ret != -ENOTSUPP)
- return ret;
-
- /* use endpoint/port reg if exist */
- ret = of_graph_parse_endpoint(ep, &info);
- if (ret == 0) {
- /*
- * Because it will count port/endpoint if it doesn't have "reg".
- * But, we can't judge whether it has "no reg", or "reg = <0>"
- * only of_graph_parse_endpoint().
- * We need to check "reg" property
- */
- if (of_property_present(ep, "reg"))
- return info.id;
-
- node = of_get_parent(ep);
- reg = of_get_property(node, "reg", NULL);
- of_node_put(node);
- if (reg)
- return info.port;
- }
- node = of_graph_get_port_parent(ep);
-
- /*
- * Non HDMI sound case, counting port/endpoint on its DT
- * is enough. Let's count it.
- */
- i = 0;
- id = -1;
- for_each_endpoint_of_node(node, endpoint) {
- if (endpoint == ep)
- id = i;
- i++;
- }
-
- of_node_put(node);
-
- if (id < 0)
- return -ENODEV;
-
- return id;
-}
-
static bool soc_component_is_pcm(struct snd_soc_dai_link_component *dlc)
{
struct snd_soc_dai *dai = snd_soc_find_dai_with_mutex(dlc);
@@ -120,57 +66,6 @@ static bool soc_component_is_pcm(struct snd_soc_dai_link_component *dlc)
return false;
}
-static int asoc_simple_parse_dai(struct device_node *ep,
- struct snd_soc_dai_link_component *dlc,
- int *is_single_link)
-{
- struct device_node *node;
- struct of_phandle_args args;
- int ret;
-
- if (!ep)
- return 0;
-
- node = of_graph_get_port_parent(ep);
-
- /* Get dai->name */
- args.np = node;
- args.args[0] = graph_get_dai_id(ep);
- args.args_count = (of_graph_get_endpoint_count(node) > 1);
-
- /*
- * FIXME
- *
- * Here, dlc->dai_name is pointer to CPU/Codec DAI name.
- * If user unbinded CPU or Codec driver, but not for Sound Card,
- * dlc->dai_name is keeping unbinded CPU or Codec
- * driver's pointer.
- *
- * If user re-bind CPU or Codec driver again, ALSA SoC will try
- * to rebind Card via snd_soc_try_rebind_card(), but because of
- * above reason, it might can't bind Sound Card.
- * Because Sound Card is pointing to released dai_name pointer.
- *
- * To avoid this rebind Card issue,
- * 1) It needs to alloc memory to keep dai_name eventhough
- * CPU or Codec driver was unbinded, or
- * 2) user need to rebind Sound Card everytime
- * if he unbinded CPU or Codec.
- */
- ret = snd_soc_get_dai_name(&args, &dlc->dai_name);
- if (ret < 0) {
- of_node_put(node);
- return ret;
- }
-
- dlc->of_node = node;
-
- if (is_single_link)
- *is_single_link = of_graph_get_endpoint_count(node) == 1;
-
- return 0;
-}
-
static void graph_parse_convert(struct device *dev,
struct device_node *ep,
struct asoc_simple_data *adata)
@@ -231,7 +126,7 @@ static int graph_parse_node(struct asoc_simple_priv *priv,
graph_parse_mclk_fs(top, ep, dai_props);
- ret = asoc_simple_parse_dai(ep, dlc, cpu);
+ ret = asoc_graph_parse_dai(ep, dlc, cpu);
if (ret < 0)
return ret;
diff --git a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
index 994db61a26b3..2ac0de3c21da 100644
--- a/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
+++ b/sound/soc/generic/audio-graph-card2-custom-sample.dtsi
@@ -42,6 +42,15 @@
* [Normal]
* cpu0 <-@-----------------> codec0
*
+ * [Semi-Multi]
+ *
+ * CPU:Codec = 1:N
+ *
+ * +-+
+ * cpu7 <-@------->| |-> codec12
+ * | |-> codec13
+ * +-+
+ *
* [Multi-CPU/Codec]
* +-+ +-+
* cpu1 <--| |<-@--------->| |-> codec1
@@ -128,6 +137,9 @@
*/
&cpu0
+ /* [Semi-Multi] */
+ &sm0
+
/*
* [Multi-CPU/Codec]: cpu side only
* cpu1/cpu2/codec1/codec2
@@ -160,76 +172,127 @@
>;
multi {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
ports@0 {
+ reg = <0>;
+ #address-cells = <1>;
+ #size-cells = <0>;
/* [Multi-CPU] */
- mcpu0: port@0 { mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
- port@1 { mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
- port@2 { mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
+ mcpu0: port@0 { reg = <0>; mcpu0_ep: endpoint { remote-endpoint = <&mcodec0_ep>; }; };
+ port@1 { reg = <1>; mcpu1_ep: endpoint { remote-endpoint = <&cpu1_ep>; }; };
+ port@2 { reg = <2>; mcpu2_ep: endpoint { remote-endpoint = <&cpu2_ep>; }; };
};
/* [Multi-Codec] */
ports@1 {
- port@0 { mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
- port@1 { mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
- port@2 { mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
+ reg = <1>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; mcodec0_ep: endpoint { remote-endpoint = <&mcpu0_ep>; }; };
+ port@1 { reg = <1>; mcodec1_ep: endpoint { remote-endpoint = <&codec1_ep>; }; };
+ port@2 { reg = <2>; mcodec2_ep: endpoint { remote-endpoint = <&codec2_ep>; }; };
};
/* [DPCM-Multi]::BE */
ports@2 {
- port@0 { mbe_ep: endpoint { remote-endpoint = <&be10_ep>; }; };
- port@1 { mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; };
- port@2 { mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; };
+ reg = <2>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; mbe_ep: endpoint { remote-endpoint = <&be10_ep>; }; };
+ port@1 { reg = <1>; mbe1_ep: endpoint { remote-endpoint = <&codec4_ep>; }; };
+ port@2 { reg = <2>; mbe2_ep: endpoint { remote-endpoint = <&codec5_ep>; }; };
};
/* [Codec2Codec-Multi]::CPU */
ports@3 {
- port@0 { mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; }; };
- port@1 { mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; };
- port@2 { mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; };
+ reg = <3>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; mc2c0_ep: endpoint { remote-endpoint = <&c2cmf_ep>; }; };
+ port@1 { reg = <1>; mc2c00_ep: endpoint { remote-endpoint = <&codec8_ep>; }; };
+ port@2 { reg = <2>; mc2c01_ep: endpoint { remote-endpoint = <&codec9_ep>; }; };
};
/* [Codec2Codec-Multi]::Codec */
ports@4 {
- port@0 { mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; }; };
- port@1 { mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; };
- port@2 { mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; };
+ reg = <4>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; mc2c1_ep: endpoint { remote-endpoint = <&c2cmb_ep>; }; };
+ port@1 { reg = <1>; mc2c10_ep: endpoint { remote-endpoint = <&codec10_ep>; }; };
+ port@2 { reg = <2>; mc2c11_ep: endpoint { remote-endpoint = <&codec11_ep>; }; };
+ };
+
+ /* [Semi-Multi] */
+ ports@5 {
+ reg = <5>;
+ #address-cells = <1>;
+ #size-cells = <0>;
+ port@0 { reg = <0>; smcodec0_ep: endpoint { remote-endpoint = <&cpu7_ep>; }; };
+ port@1 { reg = <1>; smcodec1_ep: endpoint { remote-endpoint = <&codec12_ep>; }; };
+ port@2 { reg = <2>; smcodec2_ep: endpoint { remote-endpoint = <&codec13_ep>; }; };
};
};
dpcm {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
ports@0 {
+ reg = <0>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
/* [DPCM]::FE */
- fe00: port@0 { fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; };
- fe01: port@1 { fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; };
+ fe00: port@0 { reg = <0>; fe00_ep: endpoint { remote-endpoint = <&cpu3_ep>; }; };
+ fe01: port@1 { reg = <1>; fe01_ep: endpoint { remote-endpoint = <&cpu4_ep>; }; };
/* [DPCM-Multi]::FE */
- fe10: port@2 { fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; };
- fe11: port@3 { fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; };
+ fe10: port@2 { reg = <2>; fe10_ep: endpoint { remote-endpoint = <&cpu5_ep>; }; };
+ fe11: port@3 { reg = <3>; fe11_ep: endpoint { remote-endpoint = <&cpu6_ep>; }; };
};
ports@1 {
+ reg = <1>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
/* [DPCM]::BE */
- be0: port@0 { be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; };
+ be0: port@0 { reg = <0>; be00_ep: endpoint { remote-endpoint = <&codec3_ep>; }; };
/* [DPCM-Multi]::BE */
- be1: port@1 { be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; };
+ be1: port@1 { reg = <1>; be10_ep: endpoint { remote-endpoint = <&mbe_ep>; }; };
};
};
codec2codec {
+ #address-cells = <1>;
+ #size-cells = <0>;
/* [Codec2Codec] */
ports@0 {
+ reg = <0>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
/* use default settings */
- c2c: port@0 { c2cf_ep: endpoint { remote-endpoint = <&codec6_ep>; }; };
- port@1 { c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; };
+ c2c: port@0 { reg = <0>; c2cf_ep: endpoint { remote-endpoint = <&codec6_ep>; }; };
+ port@1 { reg = <1>; c2cb_ep: endpoint { remote-endpoint = <&codec7_ep>; }; };
};
/* [Codec2Codec-Multi] */
ports@1 {
+ reg = <1>;
+
+ #address-cells = <1>;
+ #size-cells = <0>;
+
/* use original settings */
rate = <48000>;
- c2c_m: port@0 { c2cmf_ep: endpoint { remote-endpoint = <&mc2c0_ep>; }; };
- port@1 { c2cmb_ep: endpoint { remote-endpoint = <&mc2c1_ep>; }; };
+ c2c_m: port@0 { reg = <0>; c2cmf_ep: endpoint { remote-endpoint = <&mc2c0_ep>; }; };
+ port@1 { reg = <1>; c2cmb_ep: endpoint { remote-endpoint = <&mc2c1_ep>; }; };
};
};
};
@@ -245,22 +308,28 @@
*/
compatible = "test-cpu";
ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
bitclock-master;
frame-master;
/* [Normal] */
- cpu0: port@0 { cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
+ cpu0: port@0 { reg = <0>; cpu0_ep: endpoint { remote-endpoint = <&codec0_ep>; }; };
/* [Multi-CPU] */
- port@1 { cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
- port@2 { cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
+ port@1 { reg = <1>; cpu1_ep: endpoint { remote-endpoint = <&mcpu1_ep>; }; };
+ port@2 { reg = <2>; cpu2_ep: endpoint { remote-endpoint = <&mcpu2_ep>; }; };
/* [DPCM]::FE */
- port@3 { cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; };
- port@4 { cpu4_ep: endpoint { remote-endpoint = <&fe01_ep>; }; };
+ port@3 { reg = <3>; cpu3_ep: endpoint { remote-endpoint = <&fe00_ep>; }; };
+ port@4 { reg = <4>; cpu4_ep: endpoint { remote-endpoint = <&fe01_ep>; }; };
/* [DPCM-Multi]::FE */
- port@5 { cpu5_ep: endpoint { remote-endpoint = <&fe10_ep>; }; };
- port@6 { cpu6_ep: endpoint { remote-endpoint = <&fe11_ep>; }; };
+ port@5 { reg = <5>; cpu5_ep: endpoint { remote-endpoint = <&fe10_ep>; }; };
+ port@6 { reg = <6>; cpu6_ep: endpoint { remote-endpoint = <&fe11_ep>; }; };
+
+ /* [Semi-Multi] */
+ sm0: port@7 { reg = <7>; cpu7_ep: endpoint { remote-endpoint = <&smcodec0_ep>; }; };
};
};
@@ -275,6 +344,9 @@
*/
compatible = "test-codec";
ports {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
/*
* prefix can be added to *component*,
* see audio-graph-card2::routing
@@ -282,35 +354,40 @@
prefix = "TC";
/* [Normal] */
- port@0 { codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; };
+ port@0 { reg = <0>; codec0_ep: endpoint { remote-endpoint = <&cpu0_ep>; }; };
/* [Multi-Codec] */
- port@1 { codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; };
- port@2 { codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; };
+ port@1 { reg = <1>; codec1_ep: endpoint { remote-endpoint = <&mcodec1_ep>; }; };
+ port@2 { reg = <2>; codec2_ep: endpoint { remote-endpoint = <&mcodec2_ep>; }; };
/* [DPCM]::BE */
port@3 {
convert-rate = <44100>;
- codec3_ep: endpoint { remote-endpoint = <&be00_ep>; };
+ reg = <3>; codec3_ep: endpoint { remote-endpoint = <&be00_ep>; };
};
/* [DPCM-Multi]::BE */
- port@4 { codec4_ep: endpoint { remote-endpoint = <&mbe1_ep>; }; };
- port@5 { codec5_ep: endpoint { remote-endpoint = <&mbe2_ep>; }; };
+ port@4 { reg = <4>; codec4_ep: endpoint { remote-endpoint = <&mbe1_ep>; }; };
+ port@5 { reg = <5>; codec5_ep: endpoint { remote-endpoint = <&mbe2_ep>; }; };
/* [Codec2Codec] */
port@6 { bitclock-master;
frame-master;
- codec6_ep: endpoint { remote-endpoint = <&c2cf_ep>; }; };
- port@7 { codec7_ep: endpoint { remote-endpoint = <&c2cb_ep>; }; };
+ reg = <6>; codec6_ep: endpoint { remote-endpoint = <&c2cf_ep>; }; };
+ port@7 { reg = <7>; codec7_ep: endpoint { remote-endpoint = <&c2cb_ep>; }; };
/* [Codec2Codec-Multi] */
port@8 { bitclock-master;
frame-master;
- codec8_ep: endpoint { remote-endpoint = <&mc2c00_ep>; }; };
- port@9 { codec9_ep: endpoint { remote-endpoint = <&mc2c01_ep>; }; };
- port@10 { codec10_ep: endpoint { remote-endpoint = <&mc2c10_ep>; }; };
- port@11 { codec11_ep: endpoint { remote-endpoint = <&mc2c11_ep>; }; };
+ reg = <8>; codec8_ep: endpoint { remote-endpoint = <&mc2c00_ep>; }; };
+ port@9 { reg = <9>; codec9_ep: endpoint { remote-endpoint = <&mc2c01_ep>; }; };
+ port@a { reg = <10>; codec10_ep: endpoint { remote-endpoint = <&mc2c10_ep>; }; };
+ port@b { reg = <11>; codec11_ep: endpoint { remote-endpoint = <&mc2c11_ep>; }; };
+
+ /* [Semi-Multi] */
+ port@c { reg = <12>; codec12_ep: endpoint { remote-endpoint = <&smcodec1_ep>; }; };
+ port@d { reg = <13>; codec13_ep: endpoint { remote-endpoint = <&smcodec2_ep>; }; };
+
};
};
};
diff --git a/sound/soc/generic/audio-graph-card2.c b/sound/soc/generic/audio-graph-card2.c
index 25aa79dd55b3..542c4a114940 100644
--- a/sound/soc/generic/audio-graph-card2.c
+++ b/sound/soc/generic/audio-graph-card2.c
@@ -353,111 +353,6 @@ static const struct snd_soc_ops graph_ops = {
.hw_params = asoc_simple_hw_params,
};
-static int graph_get_dai_id(struct device_node *ep)
-{
- struct device_node *node;
- struct device_node *endpoint;
- struct of_endpoint info;
- int i, id;
- const u32 *reg;
- int ret;
-
- /* use driver specified DAI ID if exist */
- ret = snd_soc_get_dai_id(ep);
- if (ret != -ENOTSUPP)
- return ret;
-
- /* use endpoint/port reg if exist */
- ret = of_graph_parse_endpoint(ep, &info);
- if (ret == 0) {
- /*
- * Because it will count port/endpoint if it doesn't have "reg".
- * But, we can't judge whether it has "no reg", or "reg = <0>"
- * only of_graph_parse_endpoint().
- * We need to check "reg" property
- */
- if (of_property_present(ep, "reg"))
- return info.id;
-
- node = of_get_parent(ep);
- reg = of_get_property(node, "reg", NULL);
- of_node_put(node);
- if (reg)
- return info.port;
- }
- node = of_graph_get_port_parent(ep);
-
- /*
- * Non HDMI sound case, counting port/endpoint on its DT
- * is enough. Let's count it.
- */
- i = 0;
- id = -1;
- for_each_endpoint_of_node(node, endpoint) {
- if (endpoint == ep)
- id = i;
- i++;
- }
-
- of_node_put(node);
-
- if (id < 0)
- return -ENODEV;
-
- return id;
-}
-
-static int asoc_simple_parse_dai(struct device_node *ep,
- struct snd_soc_dai_link_component *dlc,
- int *is_single_link)
-{
- struct device_node *node;
- struct of_phandle_args args;
- int ret;
-
- if (!ep)
- return 0;
-
- node = of_graph_get_port_parent(ep);
-
- /* Get dai->name */
- args.np = node;
- args.args[0] = graph_get_dai_id(ep);
- args.args_count = (of_graph_get_endpoint_count(node) > 1);
-
- /*
- * FIXME
- *
- * Here, dlc->dai_name is pointer to CPU/Codec DAI name.
- * If user unbinded CPU or Codec driver, but not for Sound Card,
- * dlc->dai_name is keeping unbinded CPU or Codec
- * driver's pointer.
- *
- * If user re-bind CPU or Codec driver again, ALSA SoC will try
- * to rebind Card via snd_soc_try_rebind_card(), but because of
- * above reason, it might can't bind Sound Card.
- * Because Sound Card is pointing to released dai_name pointer.
- *
- * To avoid this rebind Card issue,
- * 1) It needs to alloc memory to keep dai_name eventhough
- * CPU or Codec driver was unbinded, or
- * 2) user need to rebind Sound Card everytime
- * if he unbinded CPU or Codec.
- */
- ret = snd_soc_get_dai_name(&args, &dlc->dai_name);
- if (ret < 0) {
- of_node_put(node);
- return ret;
- }
-
- dlc->of_node = node;
-
- if (is_single_link)
- *is_single_link = of_graph_get_endpoint_count(node) == 1;
-
- return 0;
-}
-
static void graph_parse_convert(struct device_node *ep,
struct simple_dai_props *props)
{
@@ -512,7 +407,7 @@ static int __graph_parse_node(struct asoc_simple_priv *priv,
graph_parse_mclk_fs(ep, dai_props);
- ret = asoc_simple_parse_dai(ep, dlc, &is_single_links);
+ ret = asoc_graph_parse_dai(ep, dlc, &is_single_links);
if (ret < 0)
return ret;
diff --git a/sound/soc/generic/simple-card-utils.c b/sound/soc/generic/simple-card-utils.c
index e5ff61c1e9d1..3019626b0592 100644
--- a/sound/soc/generic/simple-card-utils.c
+++ b/sound/soc/generic/simple-card-utils.c
@@ -889,11 +889,6 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
dev_dbg(dev, "link %d, dais %d, ccnf %d\n",
li->link, dai_num, cnf_num);
- /* dummy CPU/Codec */
- priv->dummy.of_node = NULL;
- priv->dummy.dai_name = "snd-soc-dummy-dai";
- priv->dummy.name = "snd-soc-dummy";
-
priv->dai_props = dai_props;
priv->dai_link = dai_link;
priv->dais = dais;
@@ -908,7 +903,6 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
for (i = 0; i < li->link; i++) {
if (li->num[i].cpus) {
/* Normal CPU */
- dai_props[i].cpus =
dai_link[i].cpus = dlcs;
dai_props[i].num.cpus =
dai_link[i].num_cpus = li->num[i].cpus;
@@ -918,15 +912,13 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
dais += li->num[i].cpus;
} else {
/* DPCM Be's CPU = dummy */
- dai_props[i].cpus =
- dai_link[i].cpus = &priv->dummy;
+ dai_link[i].cpus = &asoc_dummy_dlc;
dai_props[i].num.cpus =
dai_link[i].num_cpus = 1;
}
if (li->num[i].codecs) {
/* Normal Codec */
- dai_props[i].codecs =
dai_link[i].codecs = dlcs;
dai_props[i].num.codecs =
dai_link[i].num_codecs = li->num[i].codecs;
@@ -942,15 +934,13 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
}
} else {
/* DPCM Fe's Codec = dummy */
- dai_props[i].codecs =
- dai_link[i].codecs = &priv->dummy;
+ dai_link[i].codecs = &asoc_dummy_dlc;
dai_props[i].num.codecs =
dai_link[i].num_codecs = 1;
}
if (li->num[i].platforms) {
/* Have Platform */
- dai_props[i].platforms =
dai_link[i].platforms = dlcs;
dai_props[i].num.platforms =
dai_link[i].num_platforms = li->num[i].platforms;
@@ -958,7 +948,6 @@ int asoc_simple_init_priv(struct asoc_simple_priv *priv,
dlcs += li->num[i].platforms;
} else {
/* Doesn't have Platform */
- dai_props[i].platforms =
dai_link[i].platforms = NULL;
dai_props[i].num.platforms =
dai_link[i].num_platforms = 0;
@@ -1024,6 +1013,109 @@ int asoc_graph_is_ports0(struct device_node *np)
}
EXPORT_SYMBOL_GPL(asoc_graph_is_ports0);
+static int graph_get_dai_id(struct device_node *ep)
+{
+ struct device_node *node;
+ struct device_node *endpoint;
+ struct of_endpoint info;
+ int i, id;
+ int ret;
+
+ /* use driver specified DAI ID if exist */
+ ret = snd_soc_get_dai_id(ep);
+ if (ret != -ENOTSUPP)
+ return ret;
+
+ /* use endpoint/port reg if exist */
+ ret = of_graph_parse_endpoint(ep, &info);
+ if (ret == 0) {
+ /*
+ * Because it will count port/endpoint if it doesn't have "reg".
+ * But, we can't judge whether it has "no reg", or "reg = <0>"
+ * only of_graph_parse_endpoint().
+ * We need to check "reg" property
+ */
+ if (of_property_present(ep, "reg"))
+ return info.id;
+
+ node = of_get_parent(ep);
+ ret = of_property_present(node, "reg");
+ of_node_put(node);
+ if (ret)
+ return info.port;
+ }
+ node = of_graph_get_port_parent(ep);
+
+ /*
+ * Non HDMI sound case, counting port/endpoint on its DT
+ * is enough. Let's count it.
+ */
+ i = 0;
+ id = -1;
+ for_each_endpoint_of_node(node, endpoint) {
+ if (endpoint == ep)
+ id = i;
+ i++;
+ }
+
+ of_node_put(node);
+
+ if (id < 0)
+ return -ENODEV;
+
+ return id;
+}
+
+int asoc_graph_parse_dai(struct device_node *ep,
+ struct snd_soc_dai_link_component *dlc,
+ int *is_single_link)
+{
+ struct device_node *node;
+ struct of_phandle_args args = {};
+ int ret;
+
+ if (!ep)
+ return 0;
+
+ node = of_graph_get_port_parent(ep);
+
+ /* Get dai->name */
+ args.np = node;
+ args.args[0] = graph_get_dai_id(ep);
+ args.args_count = (of_graph_get_endpoint_count(node) > 1);
+
+ /*
+ * FIXME
+ *
+ * Here, dlc->dai_name is pointer to CPU/Codec DAI name.
+ * If user unbinded CPU or Codec driver, but not for Sound Card,
+ * dlc->dai_name is keeping unbinded CPU or Codec
+ * driver's pointer.
+ *
+ * If user re-bind CPU or Codec driver again, ALSA SoC will try
+ * to rebind Card via snd_soc_try_rebind_card(), but because of
+ * above reason, it might can't bind Sound Card.
+ * Because Sound Card is pointing to released dai_name pointer.
+ *
+ * To avoid this rebind Card issue,
+ * 1) It needs to alloc memory to keep dai_name eventhough
+ * CPU or Codec driver was unbinded, or
+ * 2) user need to rebind Sound Card everytime
+ * if he unbinded CPU or Codec.
+ */
+ ret = snd_soc_get_dlc(&args, dlc);
+ if (ret < 0) {
+ of_node_put(node);
+ return ret;
+ }
+
+ if (is_single_link)
+ *is_single_link = of_graph_get_endpoint_count(node) == 1;
+
+ return 0;
+}
+EXPORT_SYMBOL_GPL(asoc_graph_parse_dai);
+
/* Module information */
MODULE_AUTHOR("Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>");
MODULE_DESCRIPTION("ALSA SoC Simple Card Utils");
diff --git a/sound/soc/generic/simple-card.c b/sound/soc/generic/simple-card.c
index 5a5e4ecd0f61..0745bf6a09aa 100644
--- a/sound/soc/generic/simple-card.c
+++ b/sound/soc/generic/simple-card.c
@@ -89,12 +89,10 @@ static int asoc_simple_parse_dai(struct device_node *node,
* 2) user need to rebind Sound Card everytime
* if he unbinded CPU or Codec.
*/
- ret = snd_soc_of_get_dai_name(node, &dlc->dai_name);
+ ret = snd_soc_get_dlc(&args, dlc);
if (ret < 0)
return ret;
- dlc->of_node = args.np;
-
if (is_single_link)
*is_single_link = !args.args_count;
generated by cgit v1.2.3 (git 2.39.0) at 2024-08-29 05:24:37 +0300