1271493Sdelphij/*	$NetBSD: dce_clk_mgr.h,v 1.2 2021/12/18 23:45:01 riastradh Exp $	*/
2271493Sdelphij
3271493Sdelphij/*
4271493Sdelphij * Copyright 2012-16 Advanced Micro Devices, Inc.
5271493Sdelphij *
6271493Sdelphij * Permission is hereby granted, free of charge, to any person obtaining a
7271493Sdelphij * copy of this software and associated documentation files (the "Software"),
8271493Sdelphij * to deal in the Software without restriction, including without limitation
9271493Sdelphij * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10271493Sdelphij * and/or sell copies of the Software, and to permit persons to whom the
11271493Sdelphij * Software is furnished to do so, subject to the following conditions:
12271493Sdelphij *
13271493Sdelphij * The above copyright notice and this permission notice shall be included in
14271493Sdelphij * all copies or substantial portions of the Software.
15271493Sdelphij *
16271493Sdelphij * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
17271493Sdelphij * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
18271493Sdelphij * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
19271493Sdelphij * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
20271493Sdelphij * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
21271493Sdelphij * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
22271493Sdelphij * OTHER DEALINGS IN THE SOFTWARE.
23271493Sdelphij *
24271493Sdelphij * Authors: AMD
25273747Sdelphij *
26273747Sdelphij */
27273747Sdelphij
28271493Sdelphij
29271493Sdelphij#ifndef _DCE_CLK_MGR_H_
30271493Sdelphij#define _DCE_CLK_MGR_H_
31271493Sdelphij
32271493Sdelphij#include "dc.h"
33273747Sdelphij
34273747Sdelphij/* functions shared by other dce clk mgrs */
35271493Sdelphijint dce_adjust_dp_ref_freq_for_ss(struct clk_mgr_internal *clk_mgr_dce, int dp_ref_clk_khz);
36273747Sdelphijint dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base);
37273747Sdelphijenum dm_pp_clocks_state dce_get_required_clocks_state(
38273747Sdelphij	struct clk_mgr *clk_mgr_base,
39273747Sdelphij	struct dc_state *context);
40273747Sdelphij
41273747Sdelphijuint32_t dce_get_max_pixel_clock_for_all_paths(struct dc_state *context);
42273747Sdelphij
43271493Sdelphij
44273747Sdelphijvoid dce_clk_mgr_construct(
45273747Sdelphij		struct dc_context *ctx,
46273747Sdelphij		struct clk_mgr_internal *clk_mgr_dce);
47273747Sdelphij
48271493Sdelphijvoid dce_clock_read_ss_info(struct clk_mgr_internal *dccg_dce);
49271493Sdelphij
50273747Sdelphijint dce12_get_dp_ref_freq_khz(struct clk_mgr *dccg);
51273747Sdelphij
52273747Sdelphijint dce_set_clock(
53273747Sdelphij	struct clk_mgr *clk_mgr_base,
54273747Sdelphij	int requested_clk_khz);
55273747Sdelphij
56273747Sdelphij
57271493Sdelphijvoid dce_clk_mgr_destroy(struct clk_mgr **clk_mgr);
58273747Sdelphij
59273747Sdelphijint dentist_get_divider_from_did(int did);
60273747Sdelphij
61273747Sdelphij#endif /* _DCE_CLK_MGR_H_ */
62271493Sdelphij