Release 4.17 drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h
/*
* Copyright 2016 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
*
*/
/*
* Copyright 2016 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 MOD_FREESYNC_H_
#define MOD_FREESYNC_H_
#include "dm_services.h"
struct mod_freesync *mod_freesync_create(struct dc *dc);
void mod_freesync_destroy(struct mod_freesync *mod_freesync);
struct mod_freesync {
int dummy;
};
enum mod_freesync_state {
FREESYNC_STATE_NONE,
FREESYNC_STATE_FULLSCREEN,
FREESYNC_STATE_STATIC_SCREEN,
FREESYNC_STATE_VIDEO
};
enum mod_freesync_user_enable_mask {
FREESYNC_USER_ENABLE_STATIC = 0x1,
FREESYNC_USER_ENABLE_VIDEO = 0x2,
FREESYNC_USER_ENABLE_GAMING = 0x4
};
struct mod_freesync_user_enable {
bool enable_for_static;
bool enable_for_video;
bool enable_for_gaming;
};
struct mod_freesync_caps {
bool supported;
unsigned int min_refresh_in_micro_hz;
unsigned int max_refresh_in_micro_hz;
bool btr_supported;
};
struct mod_freesync_params {
enum mod_freesync_state state;
bool enable;
unsigned int update_duration_in_ns;
bool windowed_fullscreen;
};
/*
* Add stream to be tracked by module
*/
bool mod_freesync_add_stream(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream, struct mod_freesync_caps *caps);
/*
* Remove stream to be tracked by module
*/
bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream);
/*
* Update the freesync state flags for each display and program
* freesync accordingly
*/
void mod_freesync_update_state(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams,
struct mod_freesync_params *freesync_params);
bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream,
struct mod_freesync_params *freesync_params);
bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams,
struct mod_freesync_user_enable *user_enable);
bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream,
struct mod_freesync_user_enable *user_enable);
bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream,
bool *is_ramp_active);
bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync,
struct dc_stream_state *streams,
unsigned int min_refresh,
unsigned int max_refresh,
struct mod_freesync_caps *caps);
bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream,
unsigned int *min_refresh,
unsigned int *max_refresh);
bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream,
unsigned int *vmin,
unsigned int *vmax);
bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
struct dc_stream_state *stream,
unsigned int *nom_v_pos,
unsigned int *v_pos);
void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams);
void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams);
void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams,
unsigned int curr_time_stamp);
void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
struct dc_stream_state **streams, int num_streams,
unsigned int *v_total_min, unsigned int *v_total_max,
unsigned int *event_triggers,
unsigned int *window_min, unsigned int *window_max,
unsigned int *lfc_mid_point_in_us,
unsigned int *inserted_frames,
unsigned int *inserted_duration_in_us);
#endif
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