1/*
2 * Copyright 2012-16 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
27#ifndef _DCE_CLK_MGR_H_
28#define _DCE_CLK_MGR_H_
29
30#include "dc.h"
31
32/* functions shared by other dce clk mgrs */
33int dce_adjust_dp_ref_freq_for_ss(struct clk_mgr_internal *clk_mgr_dce, int dp_ref_clk_khz);
34int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base);
35enum dm_pp_clocks_state dce_get_required_clocks_state(
36	struct clk_mgr *clk_mgr_base,
37	struct dc_state *context);
38
39uint32_t dce_get_max_pixel_clock_for_all_paths(struct dc_state *context);
40
41
42void dce_clk_mgr_construct(
43		struct dc_context *ctx,
44		struct clk_mgr_internal *clk_mgr_dce);
45
46void dce_clock_read_ss_info(struct clk_mgr_internal *dccg_dce);
47
48int dce12_get_dp_ref_freq_khz(struct clk_mgr *dccg);
49
50int dce_set_clock(
51	struct clk_mgr *clk_mgr_base,
52	int requested_clk_khz);
53
54
55void dce_clk_mgr_destroy(struct clk_mgr **clk_mgr);
56
57int dentist_get_divider_from_did(int did);
58
59#endif /* _DCE_CLK_MGR_H_ */
60