xref: /dflybsd-src/sys/dev/drm/amd/display/dc/inc/dcn_calc_math.h (revision b843c749addef9340ee7d4e250b09fdd492602a1)
1*b843c749SSergey Zigachev /*
2*b843c749SSergey Zigachev  * Copyright 2017 Advanced Micro Devices, Inc.
3*b843c749SSergey Zigachev  *
4*b843c749SSergey Zigachev  * Permission is hereby granted, free of charge, to any person obtaining a
5*b843c749SSergey Zigachev  * copy of this software and associated documentation files (the "Software"),
6*b843c749SSergey Zigachev  * to deal in the Software without restriction, including without limitation
7*b843c749SSergey Zigachev  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8*b843c749SSergey Zigachev  * and/or sell copies of the Software, and to permit persons to whom the
9*b843c749SSergey Zigachev  * Software is furnished to do so, subject to the following conditions:
10*b843c749SSergey Zigachev  *
11*b843c749SSergey Zigachev  * The above copyright notice and this permission notice shall be included in
12*b843c749SSergey Zigachev  * all copies or substantial portions of the Software.
13*b843c749SSergey Zigachev  *
14*b843c749SSergey Zigachev  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15*b843c749SSergey Zigachev  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16*b843c749SSergey Zigachev  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
17*b843c749SSergey Zigachev  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18*b843c749SSergey Zigachev  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19*b843c749SSergey Zigachev  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20*b843c749SSergey Zigachev  * OTHER DEALINGS IN THE SOFTWARE.
21*b843c749SSergey Zigachev  *
22*b843c749SSergey Zigachev  * Authors: AMD
23*b843c749SSergey Zigachev  *
24*b843c749SSergey Zigachev  */
25*b843c749SSergey Zigachev 
26*b843c749SSergey Zigachev #ifndef _DCN_CALC_MATH_H_
27*b843c749SSergey Zigachev #define _DCN_CALC_MATH_H_
28*b843c749SSergey Zigachev 
29*b843c749SSergey Zigachev float dcn_bw_mod(const float arg1, const float arg2);
30*b843c749SSergey Zigachev float dcn_bw_min2(const float arg1, const float arg2);
31*b843c749SSergey Zigachev unsigned int dcn_bw_max(const unsigned int arg1, const unsigned int arg2);
32*b843c749SSergey Zigachev float dcn_bw_max2(const float arg1, const float arg2);
33*b843c749SSergey Zigachev float dcn_bw_floor2(const float arg, const float significance);
34*b843c749SSergey Zigachev float dcn_bw_ceil2(const float arg, const float significance);
35*b843c749SSergey Zigachev float dcn_bw_max3(float v1, float v2, float v3);
36*b843c749SSergey Zigachev float dcn_bw_max5(float v1, float v2, float v3, float v4, float v5);
37*b843c749SSergey Zigachev float dcn_bw_pow(float a, float exp);
38*b843c749SSergey Zigachev float dcn_bw_log(float a, float b);
39*b843c749SSergey Zigachev 
40*b843c749SSergey Zigachev #endif /* _DCN_CALC_MATH_H_ */
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