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Diffstat (limited to 'drivers/gpu/drm/amd/display/dc/basics/conversion.h')
-rw-r--r--drivers/gpu/drm/amd/display/dc/basics/conversion.h46
1 files changed, 46 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/basics/conversion.h b/drivers/gpu/drm/amd/display/dc/basics/conversion.h
new file mode 100644
index 000000000000..ade785c4fdc7
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/basics/conversion.h
@@ -0,0 +1,46 @@
+/*
+ * Copyright 2012-15 Advanced Micro Devices, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * Authors: AMD
+ *
+ */
+
+#ifndef __DAL_CONVERSION_H__
+#define __DAL_CONVERSION_H__
+
+#include "include/fixed31_32.h"
+
+uint16_t fixed_point_to_int_frac(
+ struct fixed31_32 arg,
+ uint8_t integer_bits,
+ uint8_t fractional_bits);
+
+void convert_float_matrix(
+ uint16_t *matrix,
+ struct fixed31_32 *flt,
+ uint32_t buffer_size);
+
+static inline unsigned int log_2(unsigned int num)
+{
+ return ilog2(num);
+}
+
+#endif