From: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
To enable OF-graph base DT on rsnd driver, and to keep compatible
previous normal sound card style, it need to support both
"rcar_sound,dai" and "ports" (or "port") on DT.
This patch parses both style.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@xxxxxxxxxxx>
---
sound/soc/sh/rcar/core.c | 159 +++++++++++++++++++++++++----------------------
1 file changed, 84 insertions(+), 75 deletions(-)
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 95390b3..6825325 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -861,33 +861,95 @@ static struct device_node *rsnd_dai_of_node(struct rsnd_priv *priv,
return ret;
}
-static int rsnd_dai_probe(struct rsnd_priv *priv)
+static void __rsnd_dai_probe(struct rsnd_priv *priv,
+ struct device_node *dai_np,
+ int dai_i, int is_graph)
{
- struct device_node *dai_node;
- struct device_node *dai_np;
struct device_node *playback, *capture;
struct rsnd_dai_stream *io_playback;
struct rsnd_dai_stream *io_capture;
- struct snd_soc_dai_driver *rdrv, *drv;
+ struct snd_soc_dai_driver *drv;
struct rsnd_dai *rdai;
struct device *dev = rsnd_priv_to_dev(priv);
- int nr, dai_i, io_i;
+ int io_i;
+
+ rdai = rsnd_rdai_get(priv, dai_i);
+ drv = priv->daidrv + dai_i;
+ io_playback = &rdai->playback;
+ io_capture = &rdai->capture;
+
+ snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i);
+
+ rdai->priv = priv;
+ drv->name = rdai->name;
+ drv->ops = &rsnd_soc_dai_ops;
+
+ snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE,
+ "DAI%d Playback", dai_i);
+ drv->playback.rates = RSND_RATES;
+ drv->playback.formats = RSND_FMTS;
+ drv->playback.channels_min = 2;
+ drv->playback.channels_max = 6;
+ drv->playback.stream_name = rdai->playback.name;
+
+ snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE,
+ "DAI%d Capture", dai_i);
+ drv->capture.rates = RSND_RATES;
+ drv->capture.formats = RSND_FMTS;
+ drv->capture.channels_min = 2;
+ drv->capture.channels_max = 6;
+ drv->capture.stream_name = rdai->capture.name;
+
+ rdai->playback.rdai = rdai;
+ rdai->capture.rdai = rdai;
+ rsnd_set_slot(rdai, 2, 1); /* default */
+
+ for (io_i = 0;; io_i++) {
+ playback = of_parse_phandle(dai_np, "playback", io_i);
+ capture = of_parse_phandle(dai_np, "capture", io_i);
+
+ if (!playback && !capture)
+ break;
+
+ rsnd_parse_connect_ssi(rdai, playback, capture);
+ rsnd_parse_connect_src(rdai, playback, capture);
+ rsnd_parse_connect_ctu(rdai, playback, capture);
+ rsnd_parse_connect_mix(rdai, playback, capture);
+ rsnd_parse_connect_dvc(rdai, playback, capture);
+
+ of_node_put(playback);
+ of_node_put(capture);
+ }
+
+ dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
+ rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ",
+ rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- ");
+}
+
+static int rsnd_dai_probe(struct rsnd_priv *priv)
+{
+ struct device_node *dai_node;
+ struct device_node *dai_np;
+ struct snd_soc_dai_driver *rdrv;
+ struct device *dev = rsnd_priv_to_dev(priv);
+ struct rsnd_dai *rdai;
+ int nr;
int is_graph;
- int ret;
+ int dai_i;
dai_node = rsnd_dai_of_node(priv, &is_graph);
- nr = of_get_child_count(dai_node);
- if (!nr) {
- ret = -EINVAL;
- goto rsnd_dai_probe_done;
- }
+ if (is_graph)
+ nr = of_graph_get_endpoint_count(dai_node);
+ else
+ nr = of_get_child_count(dai_node);
+
+ if (!nr)
+ return -EINVAL;
rdrv = devm_kzalloc(dev, sizeof(*rdrv) * nr, GFP_KERNEL);
rdai = devm_kzalloc(dev, sizeof(*rdai) * nr, GFP_KERNEL);
- if (!rdrv || !rdai) {
- ret = -ENOMEM;
- goto rsnd_dai_probe_done;
- }
+ if (!rdrv || !rdai)
+ return -ENOMEM;
priv->rdai_nr = nr;
priv->daidrv = rdrv;
@@ -897,68 +959,15 @@ static int rsnd_dai_probe(struct rsnd_priv *priv)
* parse all dai
*/
dai_i = 0;
- for_each_child_of_node(dai_node, dai_np) {
- rdai = rsnd_rdai_get(priv, dai_i);
- drv = rdrv + dai_i;
- io_playback = &rdai->playback;
- io_capture = &rdai->capture;
-
- snprintf(rdai->name, RSND_DAI_NAME_SIZE, "rsnd-dai.%d", dai_i);
-
- rdai->priv = priv;
- drv->name = rdai->name;
- drv->ops = &rsnd_soc_dai_ops;
-
- snprintf(rdai->playback.name, RSND_DAI_NAME_SIZE,
- "DAI%d Playback", dai_i);
- drv->playback.rates = RSND_RATES;
- drv->playback.formats = RSND_FMTS;
- drv->playback.channels_min = 2;
- drv->playback.channels_max = 6;
- drv->playback.stream_name = rdai->playback.name;
-
- snprintf(rdai->capture.name, RSND_DAI_NAME_SIZE,
- "DAI%d Capture", dai_i);
- drv->capture.rates = RSND_RATES;
- drv->capture.formats = RSND_FMTS;
- drv->capture.channels_min = 2;
- drv->capture.channels_max = 6;
- drv->capture.stream_name = rdai->capture.name;
-
- rdai->playback.rdai = rdai;
- rdai->capture.rdai = rdai;
- rsnd_set_slot(rdai, 2, 1); /* default */
-
- for (io_i = 0;; io_i++) {
- playback = of_parse_phandle(dai_np, "playback", io_i);
- capture = of_parse_phandle(dai_np, "capture", io_i);
-
- if (!playback && !capture)
- break;
-
- rsnd_parse_connect_ssi(rdai, playback, capture);
- rsnd_parse_connect_src(rdai, playback, capture);
- rsnd_parse_connect_ctu(rdai, playback, capture);
- rsnd_parse_connect_mix(rdai, playback, capture);
- rsnd_parse_connect_dvc(rdai, playback, capture);
-
- of_node_put(playback);
- of_node_put(capture);
- }
-
- dai_i++;
-
- dev_dbg(dev, "%s (%s/%s)\n", rdai->name,
- rsnd_io_to_mod_ssi(io_playback) ? "play" : " -- ",
- rsnd_io_to_mod_ssi(io_capture) ? "capture" : " -- ");
+ if (is_graph) {
+ for_each_endpoint_of_node(dai_node, dai_np)
+ __rsnd_dai_probe(priv, dai_np, dai_i++, is_graph);
+ } else {
+ for_each_child_of_node(dai_node, dai_np)
+ __rsnd_dai_probe(priv, dai_np, dai_i++, is_graph);
}
- ret = 0;
-
-rsnd_dai_probe_done:
- of_node_put(dai_node);
-
- return ret;
+ return 0;
}
/*
--
1.9.1
