xref: /linux/drivers/gpu/drm/amd/display/dc/inc/dcn_calc_math.h (revision 8dd06ef34b6e2f41b29fbf5fc1663780f2524285)
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_ */
44