drivers/gpu/drm/amd/display/dc/inc/dcn_calc_math.h

   1 /*
   2  * Copyright 2017 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  * Authors: AMD
  23  *
  24  */
  25
  26 #ifndef _DCN_CALC_MATH_H_
  27 #define _DCN_CALC_MATH_H_
  28
  29 float dcn_bw_mod(const float arg1, const float arg2);
  30 float dcn_bw_min2(const float arg1, const float arg2);
  31 unsigned int dcn_bw_max(const unsigned int arg1, const unsigned int arg2);
  32 float dcn_bw_max2(const float arg1, const float arg2);
  33 float dcn_bw_floor2(const float arg, const float significance);
  34 float dcn_bw_floor(const float arg);
  35 float dcn_bw_ceil2(const float arg, const float significance);
  36 float dcn_bw_ceil(const float arg);
  37 float dcn_bw_max3(float v1, float v2, float v3);
  38 float dcn_bw_max5(float v1, float v2, float v3, float v4, float v5);
  39 float dcn_bw_pow(float a, float exp);
  40 float dcn_bw_log(float a, float b);
  41 double dcn_bw_fabs(double a);
  42
  43 #endif /* _DCN_CALC_MATH_H_ */