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/*
* Copyright 2012-16 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Authors: AMD
*
*/
#ifndef __DISPLAY_CLOCK_H__
#define __DISPLAY_CLOCK_H__
#include "dm_services_types.h"
struct clocks_value {
int dispclk_in_khz;
int max_pixelclk_in_khz;
int max_non_dp_phyclk_in_khz;
int max_dp_phyclk_in_khz;
bool dispclk_notify_pplib_done;
bool pixelclk_notify_pplib_done;
bool phyclk_notigy_pplib_done;
int dcfclock_in_khz;
int dppclk_in_khz;
int mclk_in_khz;
int phyclk_in_khz;
int common_vdd_level;
};
/* Structure containing all state-dependent clocks
* (dependent on "enum clocks_state") */
struct state_dependent_clocks {
int display_clk_khz;
int pixel_clk_khz;
};
struct display_clock {
struct dc_context *ctx;
const struct display_clock_funcs *funcs;
enum dm_pp_clocks_state max_clks_state;
enum dm_pp_clocks_state cur_min_clks_state;
struct clocks_value cur_clocks_value;
};
struct display_clock_funcs {
int (*set_clock)(struct display_clock *disp_clk,
int requested_clock_khz);
enum dm_pp_clocks_state (*get_required_clocks_state)(
struct display_clock *disp_clk,
struct state_dependent_clocks *req_clocks);
bool (*set_min_clocks_state)(struct display_clock *disp_clk,
enum dm_pp_clocks_state dm_pp_clocks_state);
int (*get_dp_ref_clk_frequency)(struct display_clock *disp_clk);
bool (*apply_clock_voltage_request)(
struct display_clock *disp_clk,
enum dm_pp_clock_type clocks_type,
int clocks_in_khz,
bool pre_mode_set,
bool update_dp_phyclk);
};
#endif /* __DISPLAY_CLOCK_H__ */
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