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authorSangbeom Kim <sbkim73@samsung.com>2011-07-20 17:07:12 +0900
committerMark Brown <broonie@opensource.wolfsonmicro.com>2011-07-20 20:58:07 +0100
commit61100f405de5c16a0866de7843ed442090436e6a (patch)
tree16ad020c5973ee5a66fb0c58160b4253339c995d /sound/soc
parent82d1d521036eb3f5aae48b847f939d99a44c18bb (diff)
ASoC: SAMSUNG: Modify I2S driver to support idma
Previously, I2S driver only can support system dma. In this patch, i2s driver can support internal dma too. IDMA h/w configuration is initialized on idma.c Signed-off-by: Sangbeom Kim <sbkim73@samsung.com> Acked-by: Liam Girdwood <lrg@ti.com> Acked-by: Jassi Brar <jassisinghbrar@gmail.com> Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Diffstat (limited to 'sound/soc')
-rw-r--r--sound/soc/samsung/i2s.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/sound/soc/samsung/i2s.c b/sound/soc/samsung/i2s.c
index 1568eea31f4..c086b78539e 100644
--- a/sound/soc/samsung/i2s.c
+++ b/sound/soc/samsung/i2s.c
@@ -21,6 +21,7 @@
#include <plat/audio.h>
#include "dma.h"
+#include "idma.h"
#include "i2s.h"
#include "i2s-regs.h"
@@ -60,6 +61,7 @@ struct i2s_dai {
/* DMA parameters */
struct s3c_dma_params dma_playback;
struct s3c_dma_params dma_capture;
+ struct s3c_dma_params idma_playback;
u32 quirks;
u32 suspend_i2smod;
u32 suspend_i2scon;
@@ -877,6 +879,10 @@ static int samsung_i2s_dai_probe(struct snd_soc_dai *dai)
if (i2s->quirks & QUIRK_NEED_RSTCLR)
writel(CON_RSTCLR, i2s->addr + I2SCON);
+ if (i2s->quirks & QUIRK_SEC_DAI)
+ idma_reg_addr_init((void *)i2s->addr,
+ i2s->sec_dai->idma_playback.dma_addr);
+
probe_exit:
/* Reset any constraint on RFS and BFS */
i2s->rfs = 0;
@@ -1077,6 +1083,7 @@ static __devinit int samsung_i2s_probe(struct platform_device *pdev)
sec_dai->dma_playback.dma_size = 4;
sec_dai->base = regs_base;
sec_dai->quirks = quirks;
+ sec_dai->idma_playback.dma_addr = i2s_cfg->idma_addr;
sec_dai->pri_dai = pri_dai;
pri_dai->sec_dai = sec_dai;
}