1 files changed, 9 insertions, 0 deletions

diff --git a/include/linux/cordic.h b/include/linux/cordic.h
index cf68ca4a508c..3d656f54d64f 100644
--- a/include/linux/cordic.h
+++ b/include/linux/cordic.h
@@ -18,6 +18,15 @@
 
 #include <linux/types.h>
 
+#define CORDIC_ANGLE_GEN        39797
+#define CORDIC_PRECISION_SHIFT  16
+#define CORDIC_NUM_ITER (CORDIC_PRECISION_SHIFT + 2)
+
+#define CORDIC_FIXED(X) ((s32)((X) << CORDIC_PRECISION_SHIFT))
+#define CORDIC_FLOAT(X) (((X) >= 0) \
+                ? ((((X) >> (CORDIC_PRECISION_SHIFT - 1)) + 1) >> 1) \
+                : -((((-(X)) >> (CORDIC_PRECISION_SHIFT - 1)) + 1) >> 1))
+
 /**
  * struct cordic_iq - i/q coordinate.
  *