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/*
* 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 "mod_shared.h"
// Access structures
struct mod_freesync {
int dummy;
};
// TODO: References to this should be removed
struct mod_freesync_caps {
bool supported;
unsigned int min_refresh_in_micro_hz;
unsigned int max_refresh_in_micro_hz;
};
enum mod_vrr_state {
VRR_STATE_UNSUPPORTED = 0,
VRR_STATE_DISABLED,
VRR_STATE_INACTIVE,
VRR_STATE_ACTIVE_VARIABLE,
VRR_STATE_ACTIVE_FIXED
};
struct mod_freesync_config {
enum mod_vrr_state state;
bool vsif_supported;
bool ramping;
bool btr;
unsigned int min_refresh_in_uhz;
unsigned int max_refresh_in_uhz;
unsigned int fixed_refresh_in_uhz;
};
struct mod_vrr_params_btr {
bool btr_enabled;
bool btr_active;
uint32_t mid_point_in_us;
uint32_t inserted_duration_in_us;
uint32_t frames_to_insert;
uint32_t frame_counter;
uint32_t margin_in_us;
};
struct mod_vrr_params_fixed_refresh {
bool fixed_active;
bool ramping_active;
bool ramping_done;
uint32_t target_refresh_in_uhz;
uint32_t frame_counter;
};
struct mod_vrr_params_flip_interval {
bool flip_interval_workaround_active;
bool program_flip_interval_workaround;
bool do_flip_interval_workaround_cleanup;
uint32_t flip_interval_detect_counter;
uint32_t vsyncs_between_flip;
uint32_t vsync_to_flip_in_us;
uint32_t v_update_timestamp_in_us;
};
struct mod_vrr_params {
bool supported;
bool send_info_frame;
enum mod_vrr_state state;
uint32_t min_refresh_in_uhz;
uint32_t max_duration_in_us;
uint32_t max_refresh_in_uhz;
uint32_t min_duration_in_us;
uint32_t fixed_refresh_in_uhz;
struct dc_crtc_timing_adjust adjust;
struct mod_vrr_params_fixed_refresh fixed;
struct mod_vrr_params_btr btr;
struct mod_vrr_params_flip_interval flip_interval;
};
struct mod_freesync *mod_freesync_create(struct dc *dc);
void mod_freesync_destroy(struct mod_freesync *mod_freesync);
bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
const 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_get_settings(struct mod_freesync *mod_freesync,
const struct mod_vrr_params *vrr,
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);
void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
const struct dc_stream_state *stream,
const struct mod_vrr_params *vrr,
enum vrr_packet_type packet_type,
enum color_transfer_func app_tf,
struct dc_info_packet *infopacket,
bool pack_sdp_v1_3);
void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
const struct dc_stream_state *stream,
struct mod_freesync_config *in_config,
struct mod_vrr_params *in_out_vrr);
void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
const struct dc_plane_state *plane,
const struct dc_stream_state *stream,
unsigned int curr_time_stamp_in_us,
struct mod_vrr_params *in_out_vrr);
void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
const struct dc_stream_state *stream,
struct mod_vrr_params *in_out_vrr);
unsigned long long mod_freesync_calc_nominal_field_rate(
const struct dc_stream_state *stream);
unsigned long long mod_freesync_calc_field_rate_from_timing(
unsigned int vtotal, unsigned int htotal, unsigned int pix_clk);
bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
uint32_t max_refresh_cap_in_uhz,
uint32_t nominal_field_rate_in_uhz);
unsigned int mod_freesync_calc_v_total_from_refresh(
const struct dc_stream_state *stream,
unsigned int refresh_in_uhz);
#endif
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