diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-12-19 19:28:51 -0800 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-12-31 13:35:31 +0000 |
| commit | ef749400434cefd14fe02fe3de9e9f0125b2256d (patch) | |
| tree | 2cd4dbdb054ad59d84e5eaefb75484aa6be8ac96 /sound/soc/sh/rcar/rsnd.h | |
| parent | adcf7d5e7605e8134a99d415b7afd13f03c4bf23 (diff) | |
ASoC: rsnd: add SRC (Sampling Rate Converter) support
This patch adds SRC support to Renesas sound driver.
SRC converts sampling rate between codec <-> cpu.
It needs special codec chip,
or very simple DA/AD converter to use it.
This patch was tested via ak4554 codec,
and supports Gen1 only at this point.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'sound/soc/sh/rcar/rsnd.h')
| -rw-r--r-- | sound/soc/sh/rcar/rsnd.h | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sound/soc/sh/rcar/rsnd.h b/sound/soc/sh/rcar/rsnd.h index 3774dfcfaf0..4ca66cd899c 100644 --- a/sound/soc/sh/rcar/rsnd.h +++ b/sound/soc/sh/rcar/rsnd.h @@ -41,7 +41,14 @@ enum rsnd_reg { RSND_REG_SSI_MODE1, RSND_REG_BUSIF_MODE, RSND_REG_INT_ENABLE, /* for Gen2 */ + RSND_REG_SRC_ROUTE_MODE0, + RSND_REG_SRC_SWRSR, + RSND_REG_SRC_SRCIR, RSND_REG_SRC_ADINR, + RSND_REG_SRC_IFSCR, + RSND_REG_SRC_IFSVR, + RSND_REG_SRC_SRCCR, + RSND_REG_SRC_MNFSR, /* ADG */ RSND_REG_BRRA, @@ -50,6 +57,9 @@ enum rsnd_reg { RSND_REG_AUDIO_CLK_SEL0, RSND_REG_AUDIO_CLK_SEL1, RSND_REG_AUDIO_CLK_SEL2, + RSND_REG_AUDIO_CLK_SEL3, /* for Gen1 */ + RSND_REG_AUDIO_CLK_SEL4, /* for Gen1 */ + RSND_REG_AUDIO_CLK_SEL5, /* for Gen1 */ /* SSI */ RSND_REG_SSICR, @@ -227,6 +237,10 @@ int rsnd_adg_probe(struct platform_device *pdev, struct rsnd_priv *priv); void rsnd_adg_remove(struct platform_device *pdev, struct rsnd_priv *priv); +int rsnd_adg_set_convert_clk(struct rsnd_priv *priv, + struct rsnd_mod *mod, + unsigned int src_rate, + unsigned int dst_rate); /* * R-Car sound priv @@ -280,6 +294,10 @@ void rsnd_scu_remove(struct platform_device *pdev, struct rsnd_priv *priv); struct rsnd_mod *rsnd_scu_mod_get(struct rsnd_priv *priv, int id); bool rsnd_scu_hpbif_is_enable(struct rsnd_mod *mod); +unsigned int rsnd_scu_get_ssi_rate(struct rsnd_priv *priv, + struct rsnd_mod *ssi_mod, + struct snd_pcm_runtime *runtime); + #define rsnd_scu_nr(priv) ((priv)->scu_nr) /* |