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path: root/drivers/video/omap2/dss/dispc.h
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Diffstat (limited to 'drivers/video/omap2/dss/dispc.h')
-rw-r--r--drivers/video/omap2/dss/dispc.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/video/omap2/dss/dispc.h b/drivers/video/omap2/dss/dispc.h
index c06efc38983..5836bd1650f 100644
--- a/drivers/video/omap2/dss/dispc.h
+++ b/drivers/video/omap2/dss/dispc.h
@@ -97,6 +97,17 @@
#define DISPC_OVL_PRELOAD(n) (DISPC_OVL_BASE(n) + \
DISPC_PRELOAD_OFFSET(n))
+/* DISPC up/downsampling FIR filter coefficient structure */
+struct dispc_coef {
+ s8 hc4_vc22;
+ s8 hc3_vc2;
+ u8 hc2_vc1;
+ s8 hc1_vc0;
+ s8 hc0_vc00;
+};
+
+const struct dispc_coef *dispc_ovl_get_scale_coef(int inc, int five_taps);
+
/* DISPC manager/channel specific registers */
static inline u16 DISPC_DEFAULT_COLOR(enum omap_channel channel)
{