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 */ 33 int dce_adjust_dp_ref_freq_for_ss(struct clk_mgr_internal *clk_mgr_dce, int dp_ref_clk_khz); 34 int dce_get_dp_ref_freq_khz(struct clk_mgr *clk_mgr_base); 35 enum dm_pp_clocks_state dce_get_required_clocks_state( 36 struct clk_mgr *clk_mgr_base, 37 struct dc_state *context); 38 39 uint32_t dce_get_max_pixel_clock_for_all_paths(struct dc_state *context); 40 41 42 void dce_clk_mgr_construct( 43 struct dc_context *ctx, 44 struct clk_mgr_internal *clk_mgr_dce); 45 46 void dce_clock_read_ss_info(struct clk_mgr_internal *dccg_dce); 47 48 int dce12_get_dp_ref_freq_khz(struct clk_mgr *dccg); 49 50 int dce_set_clock( 51 struct clk_mgr *clk_mgr_base, 52 int requested_clk_khz); 53 54 55 void dce_clk_mgr_destroy(struct clk_mgr **clk_mgr); 56 57 int dentist_get_divider_from_did(int did); 58 59 #endif /* _DCE_CLK_MGR_H_ */ 60