1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/dc/inc/bw_fixed.h b/drivers/gpu/drm/amd/display/dc/inc/bw_fixed.h
new file mode 100644
index 000000000000..b31d07a57c31
--- /dev/null
+++ b/drivers/gpu/drm/amd/display/dc/inc/bw_fixed.h
@@ -0,0 +1,63 @@
+/*
+ * Copyright 2015 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 BW_FIXED_H_
+#define BW_FIXED_H_
+
+struct bw_fixed {
+	int64_t value;
+};
+
+struct bw_fixed bw_min3(struct bw_fixed v1, struct bw_fixed v2, struct bw_fixed v3);
+
+struct bw_fixed bw_max3(struct bw_fixed v1, struct bw_fixed v2, struct bw_fixed v3);
+
+struct bw_fixed bw_int_to_fixed(int64_t value);
+
+int32_t bw_fixed_to_int(struct bw_fixed value);
+
+struct bw_fixed bw_frc_to_fixed(int64_t num, int64_t denum);
+
+struct bw_fixed fixed31_32_to_bw_fixed(int64_t raw);
+
+struct bw_fixed bw_add(const struct bw_fixed arg1, const struct bw_fixed arg2);
+struct bw_fixed bw_sub(const struct bw_fixed arg1, const struct bw_fixed arg2);
+struct bw_fixed bw_mul(const struct bw_fixed arg1, const struct bw_fixed arg2);
+struct bw_fixed bw_div(const struct bw_fixed arg1, const struct bw_fixed arg2);
+struct bw_fixed bw_mod(const struct bw_fixed arg1, const struct bw_fixed arg2);
+
+struct bw_fixed bw_min2(const struct bw_fixed arg1, const struct bw_fixed arg2);
+struct bw_fixed bw_max2(const struct bw_fixed arg1, const struct bw_fixed arg2);
+struct bw_fixed bw_floor2(const struct bw_fixed arg, const struct bw_fixed significance);
+struct bw_fixed bw_ceil2(const struct bw_fixed arg, const struct bw_fixed significance);
+
+bool bw_equ(const struct bw_fixed arg1, const struct bw_fixed arg2);
+bool bw_neq(const struct bw_fixed arg1, const struct bw_fixed arg2);
+bool bw_leq(const struct bw_fixed arg1, const struct bw_fixed arg2);
+bool bw_meq(const struct bw_fixed arg1, const struct bw_fixed arg2);
+bool bw_ltn(const struct bw_fixed arg1, const struct bw_fixed arg2);
+bool bw_mtn(const struct bw_fixed arg1, const struct bw_fixed arg2);
+
+#endif //BW_FIXED_H_