[PATCH v2 5/7] ASoC: rsnd: add .get_fmt support

[Kuninori Morimoto]

From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>

rsnd supports .get_fmt by this patch

Link: https://lore.kernel.org/r/871rb3hypy.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
---
v1 -> v2
	- possible to be clock/frame master is depends on board settings.

 sound/soc/sh/rcar/adg.c  |  8 ++++++++
 sound/soc/sh/rcar/core.c | 24 ++++++++++++++++++++++--
 sound/soc/sh/rcar/rsnd.h |  1 +
 3 files changed, 31 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sh/rcar/adg.c b/sound/soc/sh/rcar/adg.c
index 0b8ae3eee148..f7773c41085b 100644
--- a/sound/soc/sh/rcar/adg.c
+++ b/sound/soc/sh/rcar/adg.c
@@ -557,6 +557,14 @@ static void rsnd_adg_get_clkout(struct rsnd_priv *priv,
 	adg->rbgb = rbgb;
 }
 
+int rsnd_adg_clk_can_be_provider(struct rsnd_priv *priv)
+{
+	struct rsnd_adg *adg = rsnd_priv_to_adg(priv);
+
+	return (adg->rbga_rate_for_441khz &&
+		adg->rbgb_rate_for_48khz);
+}
+
 #ifdef DEBUG
 static void rsnd_adg_clk_dbg_info(struct rsnd_priv *priv, struct rsnd_adg *adg)
 {
diff --git a/sound/soc/sh/rcar/core.c b/sound/soc/sh/rcar/core.c
index 8696a993c478..11b1e6f3ae40 100644
--- a/sound/soc/sh/rcar/core.c
+++ b/sound/soc/sh/rcar/core.c
@@ -754,16 +754,35 @@ static int rsnd_soc_dai_trigger(struct snd_pcm_substream *substream, int cmd,
 	return ret;
 }
 
+static u64 rsnd_soc_dai_get_fmt(struct snd_soc_dai *dai)
+{
+	struct rsnd_priv *priv = rsnd_dai_to_priv(dai);
+	u64 cbc_cfc = rsnd_adg_clk_can_be_provider(priv) ?
+		SND_SOC_POSSIBLE_DAIFMT_CBC_CFC	: 0;
+
+	return	SND_SOC_POSSIBLE_DAIFMT_I2S	|
+		SND_SOC_POSSIBLE_DAIFMT_RIGHT_J	|
+		SND_SOC_POSSIBLE_DAIFMT_LEFT_J	|
+		SND_SOC_POSSIBLE_DAIFMT_DSP_A	|
+		SND_SOC_POSSIBLE_DAIFMT_DSP_B	|
+		SND_SOC_POSSIBLE_DAIFMT_NB_NF	|
+		SND_SOC_POSSIBLE_DAIFMT_NB_IF	|
+		SND_SOC_POSSIBLE_DAIFMT_IB_NF	|
+		SND_SOC_POSSIBLE_DAIFMT_IB_IF	|
+		SND_SOC_POSSIBLE_DAIFMT_CBP_CFP	|
+		cbc_cfc;
+}
+
 static int rsnd_soc_dai_set_fmt(struct snd_soc_dai *dai, unsigned int fmt)
 {
 	struct rsnd_dai *rdai = rsnd_dai_to_rdai(dai);
 
 	/* set clock master for audio interface */
 	switch (fmt & SND_SOC_DAIFMT_MASTER_MASK) {
-	case SND_SOC_DAIFMT_CBM_CFM:
+	case SND_SOC_DAIFMT_CBP_CFP:
 		rdai->clk_master = 0;
 		break;
-	case SND_SOC_DAIFMT_CBS_CFS:
+	case SND_SOC_DAIFMT_CBC_CFC:
 		rdai->clk_master = 1; /* cpu is master */
 		break;
 	default:
@@ -1047,6 +1066,7 @@ static const struct snd_soc_dai_ops rsnd_soc_dai_ops = {
 	.startup	= rsnd_soc_dai_startup,
 	.shutdown	= rsnd_soc_dai_shutdown,
 	.trigger	= rsnd_soc_dai_trigger,
+	.get_fmt	= rsnd_soc_dai_get_fmt,
 	.set_fmt	= rsnd_soc_dai_set_fmt,
 	.set_tdm_slot	= rsnd_soc_set_dai_tdm_slot,
 	.prepare	= rsnd_soc_dai_prepare,
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h
index 1255a85151db..c8c7691f7426 100644
--- a/sound/soc/sh/rcar/rsnd.h
+++ b/sound/soc/sh/rcar/rsnd.h
@@ -610,6 +610,7 @@ int rsnd_adg_set_cmd_timsel_gen2(struct rsnd_mod *cmd_mod,
 #define rsnd_adg_clk_enable(priv)	rsnd_adg_clk_control(priv, 1)
 #define rsnd_adg_clk_disable(priv)	rsnd_adg_clk_control(priv, 0)
 void rsnd_adg_clk_control(struct rsnd_priv *priv, int enable);
+int rsnd_adg_clk_can_be_provider(struct rsnd_priv *priv);
 
 /*
  *	R-Car sound priv
-- 
2.25.1