201 lines
6.2 KiB
C
201 lines
6.2 KiB
C
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/*
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* Copyright 2016 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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/*
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* Copyright 2016 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 MOD_FREESYNC_H_
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#define MOD_FREESYNC_H_
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#include "mod_shared.h"
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// Access structures
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struct mod_freesync {
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int dummy;
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};
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// TODO: References to this should be removed
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struct mod_freesync_caps {
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bool supported;
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unsigned int min_refresh_in_micro_hz;
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unsigned int max_refresh_in_micro_hz;
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};
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enum mod_vrr_state {
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VRR_STATE_UNSUPPORTED = 0,
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VRR_STATE_DISABLED,
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VRR_STATE_INACTIVE,
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VRR_STATE_ACTIVE_VARIABLE,
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VRR_STATE_ACTIVE_FIXED
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};
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struct mod_freesync_config {
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enum mod_vrr_state state;
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bool vsif_supported;
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bool ramping;
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bool btr;
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unsigned int min_refresh_in_uhz;
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unsigned int max_refresh_in_uhz;
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unsigned int fixed_refresh_in_uhz;
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};
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struct mod_vrr_params_btr {
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bool btr_enabled;
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bool btr_active;
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uint32_t mid_point_in_us;
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uint32_t inserted_duration_in_us;
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uint32_t frames_to_insert;
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uint32_t frame_counter;
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uint32_t margin_in_us;
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};
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struct mod_vrr_params_fixed_refresh {
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bool fixed_active;
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bool ramping_active;
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bool ramping_done;
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uint32_t target_refresh_in_uhz;
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uint32_t frame_counter;
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};
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struct mod_vrr_params_flip_interval {
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bool flip_interval_workaround_active;
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bool program_flip_interval_workaround;
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bool do_flip_interval_workaround_cleanup;
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uint32_t flip_interval_detect_counter;
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uint32_t vsyncs_between_flip;
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uint32_t vsync_to_flip_in_us;
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uint32_t v_update_timestamp_in_us;
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};
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struct mod_vrr_params {
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bool supported;
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bool send_info_frame;
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enum mod_vrr_state state;
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uint32_t min_refresh_in_uhz;
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uint32_t max_duration_in_us;
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uint32_t max_refresh_in_uhz;
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uint32_t min_duration_in_us;
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uint32_t fixed_refresh_in_uhz;
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struct dc_crtc_timing_adjust adjust;
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struct mod_vrr_params_fixed_refresh fixed;
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struct mod_vrr_params_btr btr;
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struct mod_vrr_params_flip_interval flip_interval;
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};
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struct mod_freesync *mod_freesync_create(struct dc *dc);
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void mod_freesync_destroy(struct mod_freesync *mod_freesync);
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bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
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const struct dc_stream_state *stream,
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unsigned int *vmin,
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unsigned int *vmax);
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bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
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struct dc_stream_state *stream,
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unsigned int *nom_v_pos,
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unsigned int *v_pos);
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void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
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const struct mod_vrr_params *vrr,
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unsigned int *v_total_min, unsigned int *v_total_max,
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unsigned int *event_triggers,
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unsigned int *window_min, unsigned int *window_max,
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unsigned int *lfc_mid_point_in_us,
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unsigned int *inserted_frames,
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unsigned int *inserted_duration_in_us);
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void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
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const struct dc_stream_state *stream,
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const struct mod_vrr_params *vrr,
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enum vrr_packet_type packet_type,
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enum color_transfer_func app_tf,
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struct dc_info_packet *infopacket,
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bool pack_sdp_v1_3);
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void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
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const struct dc_stream_state *stream,
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struct mod_freesync_config *in_config,
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struct mod_vrr_params *in_out_vrr);
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void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
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const struct dc_plane_state *plane,
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const struct dc_stream_state *stream,
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unsigned int curr_time_stamp_in_us,
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struct mod_vrr_params *in_out_vrr);
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void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
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const struct dc_stream_state *stream,
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struct mod_vrr_params *in_out_vrr);
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unsigned long long mod_freesync_calc_nominal_field_rate(
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const struct dc_stream_state *stream);
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unsigned long long mod_freesync_calc_field_rate_from_timing(
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unsigned int vtotal, unsigned int htotal, unsigned int pix_clk);
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bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
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uint32_t max_refresh_cap_in_uhz,
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uint32_t nominal_field_rate_in_uhz);
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unsigned int mod_freesync_calc_v_total_from_refresh(
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const struct dc_stream_state *stream,
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unsigned int refresh_in_uhz);
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// Returns true when FreeSync is supported and enabled (even if it is inactive)
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bool mod_freesync_get_freesync_enabled(struct mod_vrr_params *pVrr);
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#endif
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