1/*	$NetBSD: dce_clk_mgr.h,v 1.2 2021/12/18 23:45:01 riastradh Exp $	*/
2
3/*
4 * Copyright 2012-16 Advanced Micro Devices, Inc.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the "Software"),
8 * to deal in the Software without restriction, including without limitation
9 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10 * and/or sell copies of the Software, and to permit persons to whom the
11 * Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22 * OTHER DEALINGS IN THE SOFTWARE.
23 *
24 * Authors: AMD
25 *
26 */
27
28
29#ifndef _DCE_CLK_MGR_H_
30#define _DCE_CLK_MGR_H_
31
32#include "dc.h"
33
34/* functions shared by other dce clk mgrs */
35int dce_adjust_dp_ref_freq_for_ss(struct clk_mgr_internal *clk_mgr_dce, int dp_ref_clk_khz);
36int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base);
37enum dm_pp_clocks_state dce_get_required_clocks_state(
38	struct clk_mgr *clk_mgr_base,
39	struct dc_state *context);
40
41uint32_t dce_get_max_pixel_clock_for_all_paths(struct dc_state *context);
42
43
44void dce_clk_mgr_construct(
45		struct dc_context *ctx,
46		struct clk_mgr_internal *clk_mgr_dce);
47
48void dce_clock_read_ss_info(struct clk_mgr_internal *dccg_dce);
49
50int dce12_get_dp_ref_freq_khz(struct clk_mgr *dccg);
51
52int dce_set_clock(
53	struct clk_mgr *clk_mgr_base,
54	int requested_clk_khz);
55
56
57void dce_clk_mgr_destroy(struct clk_mgr **clk_mgr);
58
59int dentist_get_divider_from_did(int did);
60
61#endif /* _DCE_CLK_MGR_H_ */
62