1 /*
2  * Copyright 2018 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 __DCN20_CLK_MGR_H__
27 #define __DCN20_CLK_MGR_H__
28 
29 void dcn2_update_clocks(struct clk_mgr *dccg,
30 			struct dc_state *context,
31 			bool safe_to_lower);
32 
33 void dcn2_update_clocks_fpga(struct clk_mgr *clk_mgr,
34 			struct dc_state *context,
35 			bool safe_to_lower);
36 void dcn20_update_clocks_update_dpp_dto(struct clk_mgr_internal *clk_mgr,
37 		struct dc_state *context, bool safe_to_lower);
38 
39 void dcn2_init_clocks(struct clk_mgr *clk_mgr);
40 
41 void dcn20_clk_mgr_construct(struct dc_context *ctx,
42 		struct clk_mgr_internal *clk_mgr,
43 		struct pp_smu_funcs *pp_smu,
44 		struct dccg *dccg);
45 
46 uint32_t dentist_get_did_from_divider(int divider);
47 
48 void dcn2_get_clock(struct clk_mgr *clk_mgr,
49 		struct dc_state *context,
50 			enum dc_clock_type clock_type,
51 			struct dc_clock_config *clock_cfg);
52 
53 void dcn20_update_clocks_update_dentist(struct clk_mgr_internal *clk_mgr,
54 					struct dc_state *context);
55 
56 void dcn2_read_clocks_from_hw_dentist(struct clk_mgr *clk_mgr_base);
57 
58 
59 #endif //__DCN20_CLK_MGR_H__
60