From: Kuninori Morimoto kuninori.morimoto.gx@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@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