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authorNobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com>2009-09-07 03:26:23 +0000
committerDan Williams <dan.j.williams@intel.com>2009-09-08 17:56:02 -0700
commitd8902adcc1a9fd484c8cb5e575152e32192c1ff8 (patch)
tree305109ce60db5ea9710dddce9db8a23f65ff4572 /arch/sh/include
parent9134d02bc0af4a8747d448d1f811ec5f8eb96df6 (diff)
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dmaengine: sh: Add Support SuperH DMA Engine driver
This supported all DMA channels, and it was tested in SH7722, SH7780, SH7785 and SH7763. This can not use with SH DMA API. Signed-off-by: Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> Reviewed-by: Matt Fleming <matt@console-pimps.org> Acked-by: Maciej Sosnowski <maciej.sosnowski@intel.com> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'arch/sh/include')
-rw-r--r--arch/sh/include/asm/dma-sh.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/sh/include/asm/dma-sh.h b/arch/sh/include/asm/dma-sh.h
index 0c8f8e14622a..89bdac558dbc 100644
--- a/arch/sh/include/asm/dma-sh.h
+++ b/arch/sh/include/asm/dma-sh.h
@@ -115,4 +115,17 @@ static u32 dma_base_addr[] __maybe_unused = {
#define CHCR 0x0C
#define DMAOR 0x40
+/*
+ * for dma engine
+ *
+ * SuperH DMA mode
+ */
+#define SHDMA_MIX_IRQ (1 << 1)
+#define SHDMA_DMAOR1 (1 << 2)
+#define SHDMA_DMAE1 (1 << 3)
+
+struct sh_dmae_pdata {
+ unsigned int mode;
+};
+
#endif /* __DMA_SH_H */