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authorKuninori Morimoto <kuninori.morimoto.gx@renesas.com>2012-06-25 03:36:49 -0700
committerRafael J. Wysocki <rjw@sisk.pl>2012-06-30 15:07:30 +0200
commit643c3307bbbe7e80c6693376137971fbdcbe1c82 (patch)
treefced648c1b0bd62d448570e217dbeb3b021375fc /arch/arm/mach-shmobile/include
parentb379c48a31018ef3c902f4a0f8c420bbd4caa14c (diff)
downloadlinux-643c3307bbbe7e80c6693376137971fbdcbe1c82.tar.gz
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')
-rw-r--r--arch/arm/mach-shmobile/include/mach/r8a7740.h8
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 6468fcc5ee4..f71507b3f91 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__ */