diff options
| author | Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> | 2012-06-25 14:36:49 +0400 |
|---|---|---|
| committer | Rafael J. Wysocki <rjw@sisk.pl> | 2012-06-30 17:07:30 +0400 |
| commit | 643c3307bbbe7e80c6693376137971fbdcbe1c82 (patch) | |
| tree | fced648c1b0bd62d448570e217dbeb3b021375fc /arch/arm/mach-shmobile/include/mach/r8a7740.h | |
| parent | b379c48a31018ef3c902f4a0f8c420bbd4caa14c (diff) | |
| download | linux-643c3307bbbe7e80c6693376137971fbdcbe1c82.tar.xz | |
ARM: shmobile: r8a7740: add DMAEngine support for FSI
Current shdmac can support FSI DMAC on r8a7740.
This support reduce CPU duty when sound was playback.
This patch is based on v1.0 manual
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Acked-by: Magnus Damm <damm@opensource.se>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Diffstat (limited to 'arch/arm/mach-shmobile/include/mach/r8a7740.h')
| -rw-r--r-- | arch/arm/mach-shmobile/include/mach/r8a7740.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/arm/mach-shmobile/include/mach/r8a7740.h b/arch/arm/mach-shmobile/include/mach/r8a7740.h index 6468fcc5ee49..f71507b3f917 100644 --- a/arch/arm/mach-shmobile/include/mach/r8a7740.h +++ b/arch/arm/mach-shmobile/include/mach/r8a7740.h @@ -588,4 +588,12 @@ enum { GPIO_FN_TRACEAUD_FROM_MEMC, }; +/* DMA slave IDs */ +enum { + SHDMA_SLAVE_INVALID, + SHDMA_SLAVE_FSIA_RX, + SHDMA_SLAVE_FSIA_TX, + SHDMA_SLAVE_FSIB_TX, +}; + #endif /* __ASM_R8A7740_H__ */ |