1 /*
2  * Copyright 2019 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 __DCN31_CLK_MGR_H__
27 #define __DCN31_CLK_MGR_H__
28 #include "clk_mgr_internal.h"
29 
30 struct dcn31_watermarks;
31 
32 struct dcn31_smu_watermark_set {
33 	struct dcn31_watermarks *wm_set;
34 	union large_integer mc_address;
35 };
36 
37 struct clk_mgr_dcn31 {
38 	struct clk_mgr_internal base;
39 	struct dcn31_smu_watermark_set smu_wm_set;
40 };
41 
42 bool dcn31_are_clock_states_equal(struct dc_clocks *a,
43 		struct dc_clocks *b);
44 void dcn31_init_clocks(struct clk_mgr *clk_mgr);
45 void dcn31_update_clocks(struct clk_mgr *clk_mgr_base,
46 			struct dc_state *context,
47 			bool safe_to_lower);
48 
49 void dcn31_clk_mgr_construct(struct dc_context *ctx,
50 		struct clk_mgr_dcn31 *clk_mgr,
51 		struct pp_smu_funcs *pp_smu,
52 		struct dccg *dccg);
53 
54 int dcn31_get_dtb_ref_freq_khz(struct clk_mgr *clk_mgr_base);
55 
56 void dcn31_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int);
57 
58 #endif //__DCN31_CLK_MGR_H__
59