1 /* SPDX-License-Identifier: MIT */
2 /*
3  * Copyright 2022 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 __DCN314_CLK_MGR_H__
28 #define __DCN314_CLK_MGR_H__
29 #include "clk_mgr_internal.h"
30 
31 struct dcn314_watermarks;
32 
33 struct dcn314_smu_watermark_set {
34 	struct dcn314_watermarks *wm_set;
35 	union large_integer mc_address;
36 };
37 
38 struct clk_mgr_dcn314 {
39 	struct clk_mgr_internal base;
40 	struct dcn314_smu_watermark_set smu_wm_set;
41 };
42 
43 bool dcn314_are_clock_states_equal(struct dc_clocks *a,
44 		struct dc_clocks *b);
45 
46 void dcn314_update_clocks(struct clk_mgr *clk_mgr_base,
47 			struct dc_state *context,
48 			bool safe_to_lower);
49 
50 void dcn314_clk_mgr_construct(struct dc_context *ctx,
51 		struct clk_mgr_dcn314 *clk_mgr,
52 		struct pp_smu_funcs *pp_smu,
53 		struct dccg *dccg);
54 
55 void dcn314_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int);
56 
57 #endif //__DCN314_CLK_MGR_H__
58