73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/*
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* Copyright 2012-16 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Authors: AMD
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*
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*/
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#ifndef __DAL_CLK_MGR_H__
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#define __DAL_CLK_MGR_H__
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#include "dc.h"
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/* Public interfaces */
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struct clk_states {
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uint32_t dprefclk_khz;
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};
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struct clk_mgr_funcs {
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/*
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* This function should set new clocks based on the input "safe_to_lower".
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* If safe_to_lower == false, then only clocks which are to be increased
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* should changed.
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* If safe_to_lower == true, then only clocks which are to be decreased
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* should be changed.
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*/
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void (*update_clocks)(struct clk_mgr *clk_mgr,
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struct dc_state *context,
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bool safe_to_lower);
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int (*get_dp_ref_clk_frequency)(struct clk_mgr *clk_mgr);
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void (*init_clocks)(struct clk_mgr *clk_mgr);
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void (*enable_pme_wa) (struct clk_mgr *clk_mgr);
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};
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void dce121_clock_patch_xgmi_ss_info(struct clk_mgr *clk_mgr_base);
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struct clk_mgr {
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struct dc_context *ctx;
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struct clk_mgr_funcs *funcs;
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struct dc_clocks clks;
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int dprefclk_khz; // Used by program pixel clock in clock source funcs, need to figureout where this goes
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};
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/* forward declarations */
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struct dccg;
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struct clk_mgr *dc_clk_mgr_create(struct dc_context *ctx, struct pp_smu_funcs *pp_smu, struct dccg *dccg);
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void dc_destroy_clk_mgr(struct clk_mgr *clk_mgr);
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#endif /* __DAL_CLK_MGR_H__ */
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