UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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>
This commit is contained in:
Kuninori Morimoto 2013-12-23 20:44:23 -08:00 committed by Simon Horman
parent 6d0ef79743
commit 88bf7f6846
1 changed files with 15 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
arch/arm/mach-shmobile/board-bockw.c
View File

@ -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 {