xref: /netbsd-src/sys/external/bsd/drm2/dist/drm/amd/display/modules/power/power_helpers.h (revision 41ec02673d281bbb3d38e6c78504ce6e30c228c1)
1 /*	$NetBSD: power_helpers.h,v 1.2 2021/12/18 23:45:07 riastradh Exp $	*/
2 
3 /* Copyright 2018 Advanced Micro Devices, Inc.
4  *
5  * Permission is hereby granted, free of charge, to any person obtaining a
6  * copy of this software and associated documentation files (the "Software"),
7  * to deal in the Software without restriction, including without limitation
8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9  * and/or sell copies of the Software, and to permit persons to whom the
10  * Software is furnished to do so, subject to the following conditions:
11  *
12  * The above copyright notice and this permission notice shall be included in
13  * all copies or substantial portions of the Software.
14  *
15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
18  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21  * OTHER DEALINGS IN THE SOFTWARE.
22  *
23  * Authors: AMD
24  *
25  */
26 
27 #ifndef MODULES_POWER_POWER_HELPERS_H_
28 #define MODULES_POWER_POWER_HELPERS_H_
29 
30 #include "dc/inc/hw/dmcu.h"
31 
32 
33 enum abm_defines {
34 	abm_defines_max_level = 4,
35 	abm_defines_max_config = 4,
36 };
37 
38 struct dmcu_iram_parameters {
39 	unsigned int *backlight_lut_array;
40 	unsigned int backlight_lut_array_size;
41 	unsigned int backlight_ramping_reduction;
42 	unsigned int backlight_ramping_start;
43 	unsigned int min_abm_backlight;
44 	unsigned int set;
45 };
46 
47 bool dmcu_load_iram(struct dmcu *dmcu,
48 		struct dmcu_iram_parameters params);
49 
50 #endif /* MODULES_POWER_POWER_HELPERS_H_ */
51