dcn314_clk_mgr.h

 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#define DCN314_NUM_CLOCK_SOURCES   5
32
33struct dcn314_watermarks;
34
35struct dcn314_smu_watermark_set {
36	struct dcn314_watermarks *wm_set;
37	union large_integer mc_address;
38};
39
40struct clk_mgr_dcn314 {
41	struct clk_mgr_internal base;
42	struct dcn314_smu_watermark_set smu_wm_set;
43};
44
45struct dcn314_ss_info_table {
46	uint32_t ss_divider;
47	uint32_t ss_percentage[DCN314_NUM_CLOCK_SOURCES];
48};
49
50bool dcn314_are_clock_states_equal(struct dc_clocks *a,
51		struct dc_clocks *b);
52
53bool dcn314_is_spll_ssc_enabled(struct clk_mgr *clk_mgr_base);
54
55void dcn314_init_clocks(struct clk_mgr *clk_mgr);
56
57void dcn314_update_clocks(struct clk_mgr *clk_mgr_base,
58			struct dc_state *context,
59			bool safe_to_lower);
60
61void dcn314_clk_mgr_construct(struct dc_context *ctx,
62		struct clk_mgr_dcn314 *clk_mgr,
63		struct pp_smu_funcs *pp_smu,
64		struct dccg *dccg);
65
66void dcn314_clk_mgr_destroy(struct clk_mgr_internal *clk_mgr_int);
67
68#endif //__DCN314_CLK_MGR_H__