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ASoC: rsnd: SSI supports DMA transfer

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This patch adds DMAEngine transfer on SSI.
But, it transfers sound data from memory to SSI directly
without using HPBIF at this time.
It will be updated soon

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Mark Brown <broonie@linaro.org>
This commit is contained in:
Kuninori Morimoto
2013-07-28 18:59:02 -07:00
committed by Mark Brown
parent 0a4d94c07c
commit 849fc82a6f
2 changed files with 111 additions and 6 deletions
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7
include/sound/rcar_snd.h
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@@ -39,13 +39,14 @@
#define RSND_SSI_PLAY (1 << 24)
#define RSND_SSI_SET(_dai_id, _pio_irq, _flags) \
{ .dai_id = _dai_id, .pio_irq = _pio_irq, .flags = _flags }
#define RSND_SSI_SET(_dai_id, _dma_id, _pio_irq, _flags) \
{ .dai_id = _dai_id, .dma_id = _dma_id, .pio_irq = _pio_irq, .flags = _flags }
#define RSND_SSI_UNUSED \
{ .dai_id = -1, .pio_irq = -1, .flags = 0 }
{ .dai_id = -1, .dma_id = -1, .pio_irq = -1, .flags = 0 }
struct rsnd_ssi_platform_info {
int dai_id;
int dma_id;
int pio_irq;
u32 flags;
};