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authorRussell King <rmk+kernel@arm.linux.org.uk>2013-11-08 18:04:06 +0000
committerRussell King <rmk+kernel@arm.linux.org.uk>2014-04-04 00:31:44 +0100
commit64a2dc3d3de4235eb73921d870a674a23d9888f0 (patch)
tree02be605c9a07a76952dc8678d7e7a4e0c2bac2f3 /include
parentad0c381a8b3a15b8edfca0996729ea45692470ca (diff)
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ARM: omap: clean up DMA register accesses
We can do much better with this by using a structure to describe each register, rather than code. Acked-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Diffstat (limited to 'include')
-rw-r--r--include/linux/omap-dma.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 0bb7de7..4132872 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -271,6 +271,19 @@ struct omap_dma_dev_attr {
struct omap_dma_lch *chan;
};
+enum {
+ OMAP_DMA_REG_NONE,
+ OMAP_DMA_REG_16BIT,
+ OMAP_DMA_REG_2X16BIT,
+ OMAP_DMA_REG_32BIT,
+};
+
+struct omap_dma_reg {
+ u16 offset;
+ u8 stride;
+ u8 type;
+};
+
/* System DMA platform data structure */
struct omap_system_dma_plat_info {
struct omap_dma_dev_attr *dma_attr;
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