[PATCH 03/21] ARM: shmobile: bockw: use HPBIF DMAEngine for sound
Simon Horman
horms+renesas at verge.net.au
Thu Feb 6 01:18:55 EST 2014
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
R-Car sound driver is supporting Mem <-> SRU <-> SSI
transfer via DMAEngine.
The sound will be less noise if it uses SRU path
since it has FIFO.
This patch supports it.
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/mach-shmobile/board-bockw.c | 22 +++++++++++++++-------
1 file changed, 15 insertions(+), 7 deletions(-)
diff --git a/arch/arm/mach-shmobile/board-bockw.c b/arch/arm/mach-shmobile/board-bockw.c
index bdb78a7..24b4161 100644
--- a/arch/arm/mach-shmobile/board-bockw.c
+++ b/arch/arm/mach-shmobile/board-bockw.c
@@ -332,16 +332,24 @@ static struct rsnd_ssi_platform_info rsnd_ssi[] = {
RSND_SSI_UNUSED, /* SSI 0 */
RSND_SSI_UNUSED, /* SSI 1 */
RSND_SSI_UNUSED, /* SSI 2 */
- RSND_SSI_SET(1, HPBDMA_SLAVE_SSI3_TX, gic_iid(0x85), RSND_SSI_PLAY),
- RSND_SSI_SET(2, HPBDMA_SLAVE_SSI4_RX, gic_iid(0x85), RSND_SSI_CLK_PIN_SHARE),
- RSND_SSI_SET(0, HPBDMA_SLAVE_SSI5_TX, gic_iid(0x86), RSND_SSI_PLAY),
- RSND_SSI_SET(0, HPBDMA_SLAVE_SSI6_RX, gic_iid(0x86), 0),
- RSND_SSI_SET(3, HPBDMA_SLAVE_SSI7_TX, gic_iid(0x86), RSND_SSI_PLAY),
- RSND_SSI_SET(4, HPBDMA_SLAVE_SSI8_RX, gic_iid(0x86), RSND_SSI_CLK_PIN_SHARE),
+ RSND_SSI_SET(1, HPBDMA_SLAVE_HPBIF3_TX, gic_iid(0x85), RSND_SSI_PLAY),
+ RSND_SSI_SET(2, HPBDMA_SLAVE_HPBIF4_RX, gic_iid(0x85), RSND_SSI_CLK_PIN_SHARE),
+ RSND_SSI_SET(0, HPBDMA_SLAVE_HPBIF5_TX, gic_iid(0x86), RSND_SSI_PLAY),
+ RSND_SSI_SET(0, HPBDMA_SLAVE_HPBIF6_RX, gic_iid(0x86), 0),
+ RSND_SSI_SET(3, HPBDMA_SLAVE_HPBIF7_TX, gic_iid(0x86), RSND_SSI_PLAY),
+ RSND_SSI_SET(4, HPBDMA_SLAVE_HPBIF8_RX, gic_iid(0x86), RSND_SSI_CLK_PIN_SHARE),
};
static struct rsnd_scu_platform_info rsnd_scu[9] = {
- /* no member at this point */
+ { .flags = 0, }, /* SRU 0 */
+ { .flags = 0, }, /* SRU 1 */
+ { .flags = 0, }, /* SRU 2 */
+ { .flags = RSND_SCU_USE_HPBIF, },
+ { .flags = RSND_SCU_USE_HPBIF, },
+ { .flags = RSND_SCU_USE_HPBIF, },
+ { .flags = RSND_SCU_USE_HPBIF, },
+ { .flags = RSND_SCU_USE_HPBIF, },
+ { .flags = RSND_SCU_USE_HPBIF, },
};
enum {
--
1.8.5.2
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