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 */ 35 int dce_adjust_dp_ref_freq_for_ss(struct clk_mgr_internal *clk_mgr_dce, int dp_ref_clk_khz); 36 int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base); 37 enum dm_pp_clocks_state dce_get_required_clocks_state( 38 struct clk_mgr *clk_mgr_base, 39 struct dc_state *context); 40 41 uint32_t dce_get_max_pixel_clock_for_all_paths(struct dc_state *context); 42 43 44 void dce_clk_mgr_construct( 45 struct dc_context *ctx, 46 struct clk_mgr_internal *clk_mgr_dce); 47 48 void dce_clock_read_ss_info(struct clk_mgr_internal *dccg_dce); 49 50 int dce12_get_dp_ref_freq_khz(struct clk_mgr *dccg); 51 52 int dce_set_clock( 53 struct clk_mgr *clk_mgr_base, 54 int requested_clk_khz); 55 56 57 void dce_clk_mgr_destroy(struct clk_mgr **clk_mgr); 58 59 int dentist_get_divider_from_did(int did); 60 61 #endif /* _DCE_CLK_MGR_H_ */ 62