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| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2013-07-29 03:59:12 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@linaro.org> | 2013-08-06 18:56:13 +0200 |
| commit | 374a528111fa07878090bd9694a3e153814de39c (patch) | |
| tree | a9af99a7d5a419f7ee7d92b4205e8274a731c566 /include/sound | |
| parent | ASoC: rsnd: SSI supports DMA transfer (diff) | |
| download | linux-374a528111fa07878090bd9694a3e153814de39c.tar.xz linux-374a528111fa07878090bd9694a3e153814de39c.zip | |
ASoC: rsnd: SSI supports DMA transfer via BUSIF
This patch adds BUSIF support for R-Car sound DMAEngine transfer.
The sound data will be transferred via FIFO which can cover blank time
which will happen when DMA channel is switching.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
Diffstat (limited to 'include/sound')
| -rw-r--r-- | include/sound/rcar_snd.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/sound/rcar_snd.h b/include/sound/rcar_snd.h index a72687dda0cd..d35412ae03b3 100644 --- a/include/sound/rcar_snd.h +++ b/include/sound/rcar_snd.h @@ -36,6 +36,7 @@ #define RSND_SSI_CLK_PIN_SHARE (1 << 31) #define RSND_SSI_CLK_FROM_ADG (1 << 30) /* clock parent is master */ #define RSND_SSI_SYNC (1 << 29) /* SSI34_sync etc */ +#define RSND_SSI_DEPENDENT (1 << 28) /* SSI needs SRU/SCU */ #define RSND_SSI_PLAY (1 << 24) @@ -51,6 +52,11 @@ struct rsnd_ssi_platform_info { u32 flags; }; +/* + * flags + */ +#define RSND_SCU_USB_HPBIF (1 << 31) /* it needs RSND_SSI_DEPENDENT */ + struct rsnd_scu_platform_info { u32 flags; }; |