| From bd361810671d2919f205f34bf74fe7df91af6314 Mon Sep 17 00:00:00 2001 |
| From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> |
| Date: Mon, 23 Dec 2013 20:44:23 -0800 |
| Subject: ARM: shmobile: bockw: use HPBIF DMAEngine for sound |
| |
| 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@renesas.com> |
| Signed-off-by: Simon Horman <horms+renesas@verge.net.au> |
| (cherry picked from commit 88bf7f6846dea22bd50f8abf4c30530bbe2b6424) |
| Signed-off-by: Simon Horman <horms+renesas@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 bdb78a77e78f..24b41613eabe 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 { |
| -- |
| 2.1.2 |
| |