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Diffstat (limited to 'sound/soc/generic/audio-graph-scu-card.c')
-rw-r--r--sound/soc/generic/audio-graph-scu-card.c262
1 files changed, 166 insertions, 96 deletions
diff --git a/sound/soc/generic/audio-graph-scu-card.c b/sound/soc/generic/audio-graph-scu-card.c
index b83bb31021a9..e1b192ea147b 100644
--- a/sound/soc/generic/audio-graph-scu-card.c
+++ b/sound/soc/generic/audio-graph-scu-card.c
@@ -24,14 +24,18 @@
struct graph_card_data {
struct snd_soc_card snd_card;
- struct snd_soc_codec_conf codec_conf;
struct graph_dai_props {
- struct asoc_simple_dai dai;
+ struct asoc_simple_dai *cpu_dai;
+ struct asoc_simple_dai *codec_dai;
struct snd_soc_dai_link_component codecs;
struct snd_soc_dai_link_component platform;
+ struct asoc_simple_card_data adata;
+ struct snd_soc_codec_conf *codec_conf;
} *dai_props;
struct snd_soc_dai_link *dai_link;
+ struct asoc_simple_dai *dais;
struct asoc_simple_card_data adata;
+ struct snd_soc_codec_conf *codec_conf;
};
#define graph_priv_to_card(priv) (&(priv)->snd_card)
@@ -39,13 +43,24 @@ struct graph_card_data {
#define graph_priv_to_dev(priv) (graph_priv_to_card(priv)->dev)
#define graph_priv_to_link(priv, i) (graph_priv_to_card(priv)->dai_link + (i))
+#define PREFIX "audio-graph-card,"
+
static int asoc_graph_card_startup(struct snd_pcm_substream *substream)
{
struct snd_soc_pcm_runtime *rtd = substream->private_data;
struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
+ int ret = 0;
+
+ ret = asoc_simple_card_clk_enable(dai_props->cpu_dai);
+ if (ret)
+ return ret;
- return asoc_simple_card_clk_enable(&dai_props->dai);
+ ret = asoc_simple_card_clk_enable(dai_props->codec_dai);
+ if (ret)
+ asoc_simple_card_clk_disable(dai_props->cpu_dai);
+
+ return ret;
}
static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream)
@@ -54,7 +69,9 @@ static void asoc_graph_card_shutdown(struct snd_pcm_substream *substream)
struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
- asoc_simple_card_clk_disable(&dai_props->dai);
+ asoc_simple_card_clk_disable(dai_props->cpu_dai);
+
+ asoc_simple_card_clk_disable(dai_props->codec_dai);
}
static const struct snd_soc_ops asoc_graph_card_ops = {
@@ -65,39 +82,49 @@ static const struct snd_soc_ops asoc_graph_card_ops = {
static int asoc_graph_card_dai_init(struct snd_soc_pcm_runtime *rtd)
{
struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
- struct snd_soc_dai *dai;
- struct snd_soc_dai_link *dai_link;
- struct graph_dai_props *dai_props;
- int num = rtd->num;
+ struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
+ int ret = 0;
- dai_link = graph_priv_to_link(priv, num);
- dai_props = graph_priv_to_props(priv, num);
- dai = dai_link->dynamic ?
- rtd->cpu_dai :
- rtd->codec_dai;
+ ret = asoc_simple_card_init_dai(rtd->codec_dai,
+ dai_props->codec_dai);
+ if (ret < 0)
+ return ret;
- return asoc_simple_card_init_dai(dai, &dai_props->dai);
+ ret = asoc_simple_card_init_dai(rtd->cpu_dai,
+ dai_props->cpu_dai);
+ if (ret < 0)
+ return ret;
+
+ return 0;
}
static int asoc_graph_card_be_hw_params_fixup(struct snd_soc_pcm_runtime *rtd,
struct snd_pcm_hw_params *params)
{
struct graph_card_data *priv = snd_soc_card_get_drvdata(rtd->card);
+ struct graph_dai_props *dai_props = graph_priv_to_props(priv, rtd->num);
+
+ asoc_simple_card_convert_fixup(&dai_props->adata, params);
+ /* overwrite by top level adata if exist */
asoc_simple_card_convert_fixup(&priv->adata, params);
return 0;
}
-static int asoc_graph_card_dai_link_of(struct device_node *ep,
+static int asoc_graph_card_dai_link_of(struct device_node *cpu_ep,
+ struct device_node *codec_ep,
struct graph_card_data *priv,
- unsigned int daifmt,
- int idx, int is_fe)
+ int *dai_idx, int link_idx,
+ int *conf_idx, int is_fe)
{
struct device *dev = graph_priv_to_dev(priv);
- struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, idx);
- struct graph_dai_props *dai_props = graph_priv_to_props(priv, idx);
+ struct snd_soc_dai_link *dai_link = graph_priv_to_link(priv, link_idx);
+ struct graph_dai_props *dai_props = graph_priv_to_props(priv, link_idx);
struct snd_soc_card *card = graph_priv_to_card(priv);
+ struct device_node *ep = is_fe ? cpu_ep : codec_ep;
+ struct device_node *node = of_graph_get_port_parent(ep);
+ struct asoc_simple_dai *dai;
int ret;
if (is_fe) {
@@ -113,11 +140,14 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
dai_link->dynamic = 1;
dai_link->dpcm_merged_format = 1;
+ dai =
+ dai_props->cpu_dai = &priv->dais[(*dai_idx)++];
+
ret = asoc_simple_card_parse_graph_cpu(ep, dai_link);
if (ret)
return ret;
- ret = asoc_simple_card_parse_clk_cpu(dev, ep, dai_link, &dai_props->dai);
+ ret = asoc_simple_card_parse_clk_cpu(dev, ep, dai_link, dai);
if (ret < 0)
return ret;
@@ -131,6 +161,8 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
asoc_simple_card_canonicalize_cpu(dai_link,
of_graph_get_endpoint_count(dai_link->cpu_of_node) == 1);
} else {
+ struct snd_soc_codec_conf *cconf;
+
/* FE is dummy */
dai_link->cpu_of_node = NULL;
dai_link->cpu_dai_name = "snd-soc-dummy-dai";
@@ -140,11 +172,17 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
dai_link->no_pcm = 1;
dai_link->be_hw_params_fixup = asoc_graph_card_be_hw_params_fixup;
+ dai =
+ dai_props->codec_dai = &priv->dais[(*dai_idx)++];
+
+ cconf =
+ dai_props->codec_conf = &priv->codec_conf[(*conf_idx)++];
+
ret = asoc_simple_card_parse_graph_codec(ep, dai_link);
if (ret < 0)
return ret;
- ret = asoc_simple_card_parse_clk_codec(dev, ep, dai_link, &dai_props->dai);
+ ret = asoc_simple_card_parse_clk_codec(dev, ep, dai_link, dai);
if (ret < 0)
return ret;
@@ -154,13 +192,20 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
if (ret < 0)
return ret;
- snd_soc_of_parse_audio_prefix(card,
- &priv->codec_conf,
+ /* check "prefix" from top node */
+ snd_soc_of_parse_audio_prefix(card, cconf,
dai_link->codecs->of_node,
"prefix");
+ /* check "prefix" from each node if top doesn't have */
+ if (!cconf->of_node)
+ snd_soc_of_parse_node_prefix(node, cconf,
+ dai_link->codecs->of_node,
+ PREFIX "prefix");
}
- ret = asoc_simple_card_of_parse_tdm(ep, &dai_props->dai);
+ asoc_simple_card_parse_convert(dev, node, PREFIX, &dai_props->adata);
+
+ ret = asoc_simple_card_of_parse_tdm(ep, dai);
if (ret)
return ret;
@@ -168,7 +213,11 @@ static int asoc_graph_card_dai_link_of(struct device_node *ep,
if (ret < 0)
return ret;
- dai_link->dai_fmt = daifmt;
+ ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep,
+ NULL, &dai_link->dai_fmt);
+ if (ret < 0)
+ return ret;
+
dai_link->dpcm_playback = 1;
dai_link->dpcm_capture = 1;
dai_link->ops = &asoc_graph_card_ops;
@@ -186,11 +235,9 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
struct device_node *cpu_port;
struct device_node *cpu_ep;
struct device_node *codec_ep;
- struct device_node *rcpu_ep;
struct device_node *codec_port;
struct device_node *codec_port_old;
- unsigned int daifmt = 0;
- int dai_idx, ret;
+ int dai_idx, link_idx, conf_idx, ret;
int rc, codec;
if (!node)
@@ -201,47 +248,20 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
* see simple-card
*/
- ret = asoc_simple_card_of_parse_routing(card, NULL, 0);
+ ret = asoc_simple_card_of_parse_routing(card, NULL);
if (ret < 0)
return ret;
- asoc_simple_card_parse_convert(dev, NULL, &priv->adata);
+ asoc_simple_card_parse_convert(dev, node, NULL, &priv->adata);
/*
* it supports multi CPU, single CODEC only here
* see asoc_graph_get_dais_count
*/
- /* find 1st codec */
- of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
- cpu_port = it.node;
- cpu_ep = of_get_next_child(cpu_port, NULL);
- codec_ep = of_graph_get_remote_endpoint(cpu_ep);
- rcpu_ep = of_graph_get_remote_endpoint(codec_ep);
-
- of_node_put(cpu_ep);
- of_node_put(codec_ep);
- of_node_put(rcpu_ep);
-
- if (!codec_ep)
- continue;
-
- if (rcpu_ep != cpu_ep) {
- dev_err(dev, "remote-endpoint missmatch (%s/%s/%s)\n",
- cpu_ep->name, codec_ep->name, rcpu_ep->name);
- ret = -EINVAL;
- goto parse_of_err;
- }
-
- ret = asoc_simple_card_parse_daifmt(dev, cpu_ep, codec_ep,
- NULL, &daifmt);
- if (ret < 0) {
- of_node_put(cpu_port);
- goto parse_of_err;
- }
- }
-
+ link_idx = 0;
dai_idx = 0;
+ conf_idx = 0;
codec_port_old = NULL;
for (codec = 0; codec < 2; codec++) {
/*
@@ -257,31 +277,23 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
of_node_put(cpu_ep);
of_node_put(codec_ep);
+ of_node_put(cpu_port);
of_node_put(codec_port);
+ it.node = NULL;
if (codec) {
- if (!codec_port)
- continue;
-
if (codec_port_old == codec_port)
continue;
codec_port_old = codec_port;
-
- /* Back-End (= Codec) */
- ret = asoc_graph_card_dai_link_of(codec_ep, priv, daifmt, dai_idx++, 0);
- if (ret < 0) {
- of_node_put(cpu_port);
- goto parse_of_err;
- }
- } else {
- /* Front-End (= CPU) */
- ret = asoc_graph_card_dai_link_of(cpu_ep, priv, daifmt, dai_idx++, 1);
- if (ret < 0) {
- of_node_put(cpu_port);
- goto parse_of_err;
- }
}
+
+ ret = asoc_graph_card_dai_link_of(cpu_ep, codec_ep,
+ priv, &dai_idx,
+ link_idx++, &conf_idx,
+ !codec);
+ if (ret < 0)
+ goto parse_of_err;
}
}
@@ -289,13 +301,24 @@ static int asoc_graph_card_parse_of(struct graph_card_data *priv)
if (ret)
goto parse_of_err;
+ if ((card->num_links != link_idx) ||
+ (card->num_configs != conf_idx)) {
+ dev_err(dev, "dai_link or codec_config wrong (%d/%d, %d/%d)\n",
+ card->num_links, link_idx, card->num_configs, conf_idx);
+ ret = -EINVAL;
+ goto parse_of_err;
+ }
+
ret = 0;
parse_of_err:
return ret;
}
-static int asoc_graph_get_dais_count(struct device *dev)
+static void asoc_graph_get_dais_count(struct device *dev,
+ int *link_num,
+ int *dais_num,
+ int *ccnf_num)
{
struct of_phandle_iterator it;
struct device_node *node = dev->of_node;
@@ -304,10 +327,48 @@ static int asoc_graph_get_dais_count(struct device *dev)
struct device_node *codec_ep;
struct device_node *codec_port;
struct device_node *codec_port_old;
- int count = 0;
+ struct device_node *codec_port_old2;
int rc;
+ /*
+ * link_num : number of links.
+ * CPU-Codec / CPU-dummy / dummy-Codec
+ * dais_num : number of DAIs
+ * ccnf_num : number of codec_conf
+ * same number for dummy-Codec
+ *
+ * ex1)
+ * CPU0 --- Codec0 link : 5
+ * CPU1 --- Codec1 dais : 7
+ * CPU2 -/ ccnf : 1
+ * CPU3 --- Codec2
+ *
+ * => 5 links = 2xCPU-Codec + 2xCPU-dummy + 1xdummy-Codec
+ * => 7 DAIs = 4xCPU + 3xCodec
+ * => 1 ccnf = 1xdummy-Codec
+ *
+ * ex2)
+ * CPU0 --- Codec0 link : 5
+ * CPU1 --- Codec1 dais : 6
+ * CPU2 -/ ccnf : 1
+ * CPU3 -/
+ *
+ * => 5 links = 1xCPU-Codec + 3xCPU-dummy + 1xdummy-Codec
+ * => 6 DAIs = 4xCPU + 2xCodec
+ * => 1 ccnf = 1xdummy-Codec
+ *
+ * ex3)
+ * CPU0 --- Codec0 link : 6
+ * CPU1 -/ dais : 6
+ * CPU2 --- Codec1 ccnf : 2
+ * CPU3 -/
+ *
+ * => 6 links = 0xCPU-Codec + 4xCPU-dummy + 2xdummy-Codec
+ * => 6 DAIs = 4xCPU + 2xCodec
+ * => 2 ccnf = 2xdummy-Codec
+ */
codec_port_old = NULL;
+ codec_port_old2 = NULL;
of_for_each_phandle(&it, rc, node, "dais", NULL, 0) {
cpu_port = it.node;
cpu_ep = of_get_next_child(cpu_port, NULL);
@@ -318,20 +379,22 @@ static int asoc_graph_get_dais_count(struct device *dev)
of_node_put(codec_ep);
of_node_put(codec_port);
- if (cpu_ep)
- count++;
+ (*link_num)++;
+ (*dais_num)++;
- if (!codec_port)
- continue;
+ if (codec_port_old == codec_port) {
+ if (codec_port_old2 != codec_port_old) {
+ (*link_num)++;
+ (*ccnf_num)++;
+ }
- if (codec_port_old == codec_port)
+ codec_port_old2 = codec_port_old;
continue;
+ }
- count++;
+ (*dais_num)++;
codec_port_old = codec_port;
}
-
- return count;
}
static int asoc_graph_card_probe(struct platform_device *pdev)
@@ -339,22 +402,27 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
struct graph_card_data *priv;
struct snd_soc_dai_link *dai_link;
struct graph_dai_props *dai_props;
+ struct asoc_simple_dai *dais;
struct device *dev = &pdev->dev;
struct snd_soc_card *card;
- int num, ret, i;
+ struct snd_soc_codec_conf *cconf;
+ int lnum = 0, dnum = 0, cnum = 0;
+ int ret, i;
/* Allocate the private data and the DAI link array */
priv = devm_kzalloc(dev, sizeof(*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
- num = asoc_graph_get_dais_count(dev);
- if (num == 0)
+ asoc_graph_get_dais_count(dev, &lnum, &dnum, &cnum);
+ if (!lnum || !dnum)
return -EINVAL;
- dai_props = devm_kcalloc(dev, num, sizeof(*dai_props), GFP_KERNEL);
- dai_link = devm_kcalloc(dev, num, sizeof(*dai_link), GFP_KERNEL);
- if (!dai_props || !dai_link)
+ dai_props = devm_kcalloc(dev, lnum, sizeof(*dai_props), GFP_KERNEL);
+ dai_link = devm_kcalloc(dev, lnum, sizeof(*dai_link), GFP_KERNEL);
+ dais = devm_kcalloc(dev, dnum, sizeof(*dais), GFP_KERNEL);
+ cconf = devm_kcalloc(dev, cnum, sizeof(*cconf), GFP_KERNEL);
+ if (!dai_props || !dai_link || !dais)
return -ENOMEM;
/*
@@ -363,7 +431,7 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
* see
* soc-core.c :: snd_soc_init_multicodec()
*/
- for (i = 0; i < num; i++) {
+ for (i = 0; i < lnum; i++) {
dai_link[i].codecs = &dai_props[i].codecs;
dai_link[i].num_codecs = 1;
dai_link[i].platform = &dai_props[i].platform;
@@ -371,15 +439,17 @@ static int asoc_graph_card_probe(struct platform_device *pdev)
priv->dai_props = dai_props;
priv->dai_link = dai_link;
+ priv->dais = dais;
+ priv->codec_conf = cconf;
/* Init snd_soc_card */
card = graph_priv_to_card(priv);
card->owner = THIS_MODULE;
card->dev = dev;
card->dai_link = priv->dai_link;
- card->num_links = num;
- card->codec_conf = &priv->codec_conf;
- card->num_configs = 1;
+ card->num_links = lnum;
+ card->codec_conf = cconf;
+ card->num_configs = cnum;
ret = asoc_graph_card_parse_of(priv);
if (ret < 0) {
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