1*b843c749SSergey Zigachev /* 2*b843c749SSergey Zigachev * Copyright 2012-16 Advanced Micro Devices, Inc. 3*b843c749SSergey Zigachev * 4*b843c749SSergey Zigachev * Permission is hereby granted, free of charge, to any person obtaining a 5*b843c749SSergey Zigachev * copy of this software and associated documentation files (the "Software"), 6*b843c749SSergey Zigachev * to deal in the Software without restriction, including without limitation 7*b843c749SSergey Zigachev * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8*b843c749SSergey Zigachev * and/or sell copies of the Software, and to permit persons to whom the 9*b843c749SSergey Zigachev * Software is furnished to do so, subject to the following conditions: 10*b843c749SSergey Zigachev * 11*b843c749SSergey Zigachev * The above copyright notice and this permission notice shall be included in 12*b843c749SSergey Zigachev * all copies or substantial portions of the Software. 13*b843c749SSergey Zigachev * 14*b843c749SSergey Zigachev * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15*b843c749SSergey Zigachev * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16*b843c749SSergey Zigachev * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17*b843c749SSergey Zigachev * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18*b843c749SSergey Zigachev * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19*b843c749SSergey Zigachev * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20*b843c749SSergey Zigachev * OTHER DEALINGS IN THE SOFTWARE. 21*b843c749SSergey Zigachev * 22*b843c749SSergey Zigachev * Authors: AMD 23*b843c749SSergey Zigachev * 24*b843c749SSergey Zigachev */ 25*b843c749SSergey Zigachev 26*b843c749SSergey Zigachev #ifndef __DISPLAY_CLOCK_H__ 27*b843c749SSergey Zigachev #define __DISPLAY_CLOCK_H__ 28*b843c749SSergey Zigachev 29*b843c749SSergey Zigachev #include "dm_services_types.h" 30*b843c749SSergey Zigachev #include "dc.h" 31*b843c749SSergey Zigachev 32*b843c749SSergey Zigachev /* Structure containing all state-dependent clocks 33*b843c749SSergey Zigachev * (dependent on "enum clocks_state") */ 34*b843c749SSergey Zigachev struct state_dependent_clocks { 35*b843c749SSergey Zigachev int display_clk_khz; 36*b843c749SSergey Zigachev int pixel_clk_khz; 37*b843c749SSergey Zigachev }; 38*b843c749SSergey Zigachev 39*b843c749SSergey Zigachev struct dccg { 40*b843c749SSergey Zigachev struct dc_context *ctx; 41*b843c749SSergey Zigachev const struct display_clock_funcs *funcs; 42*b843c749SSergey Zigachev 43*b843c749SSergey Zigachev enum dm_pp_clocks_state max_clks_state; 44*b843c749SSergey Zigachev enum dm_pp_clocks_state cur_min_clks_state; 45*b843c749SSergey Zigachev struct dc_clocks clks; 46*b843c749SSergey Zigachev }; 47*b843c749SSergey Zigachev 48*b843c749SSergey Zigachev struct display_clock_funcs { 49*b843c749SSergey Zigachev void (*update_clocks)(struct dccg *dccg, 50*b843c749SSergey Zigachev struct dc_clocks *new_clocks, 51*b843c749SSergey Zigachev bool safe_to_lower); 52*b843c749SSergey Zigachev int (*set_dispclk)(struct dccg *dccg, 53*b843c749SSergey Zigachev int requested_clock_khz); 54*b843c749SSergey Zigachev 55*b843c749SSergey Zigachev int (*get_dp_ref_clk_frequency)(struct dccg *dccg); 56*b843c749SSergey Zigachev }; 57*b843c749SSergey Zigachev 58*b843c749SSergey Zigachev #endif /* __DISPLAY_CLOCK_H__ */ 59