1 /* 2 * Copyright 2016 Advanced Micro Devices, Inc. 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice shall be included in 12 * all copies or substantial portions of the Software. 13 * 14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 20 * OTHER DEALINGS IN THE SOFTWARE. 21 * 22 * Authors: AMD 23 * 24 */ 25 26 27 28 29 /* 30 * Copyright 2016 Advanced Micro Devices, Inc. 31 * 32 * Permission is hereby granted, free of charge, to any person obtaining a 33 * copy of this software and associated documentation files (the "Software"), 34 * to deal in the Software without restriction, including without limitation 35 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 36 * and/or sell copies of the Software, and to permit persons to whom the 37 * Software is furnished to do so, subject to the following conditions: 38 * 39 * The above copyright notice and this permission notice shall be included in 40 * all copies or substantial portions of the Software. 41 * 42 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 43 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 44 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 45 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR 46 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, 47 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR 48 * OTHER DEALINGS IN THE SOFTWARE. 49 * 50 * Authors: AMD 51 * 52 */ 53 54 #ifndef MOD_FREESYNC_H_ 55 #define MOD_FREESYNC_H_ 56 57 #include "dm_services.h" 58 59 struct mod_freesync *mod_freesync_create(struct dc *dc); 60 void mod_freesync_destroy(struct mod_freesync *mod_freesync); 61 62 struct mod_freesync { 63 int dummy; 64 }; 65 66 enum mod_freesync_state { 67 FREESYNC_STATE_NONE, 68 FREESYNC_STATE_FULLSCREEN, 69 FREESYNC_STATE_STATIC_SCREEN, 70 FREESYNC_STATE_VIDEO 71 }; 72 73 enum mod_freesync_user_enable_mask { 74 FREESYNC_USER_ENABLE_STATIC = 0x1, 75 FREESYNC_USER_ENABLE_VIDEO = 0x2, 76 FREESYNC_USER_ENABLE_GAMING = 0x4 77 }; 78 79 struct mod_freesync_user_enable { 80 bool enable_for_static; 81 bool enable_for_video; 82 bool enable_for_gaming; 83 }; 84 85 struct mod_freesync_caps { 86 bool supported; 87 unsigned int min_refresh_in_micro_hz; 88 unsigned int max_refresh_in_micro_hz; 89 90 bool btr_supported; 91 }; 92 93 struct mod_freesync_params { 94 enum mod_freesync_state state; 95 bool enable; 96 unsigned int update_duration_in_ns; 97 bool windowed_fullscreen; 98 }; 99 100 /* 101 * Add stream to be tracked by module 102 */ 103 bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, 104 struct dc_stream_state *stream, struct mod_freesync_caps *caps); 105 106 /* 107 * Remove stream to be tracked by module 108 */ 109 bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync, 110 struct dc_stream_state *stream); 111 112 /* 113 * Update the freesync state flags for each display and program 114 * freesync accordingly 115 */ 116 void mod_freesync_update_state(struct mod_freesync *mod_freesync, 117 struct dc_stream_state **streams, int num_streams, 118 struct mod_freesync_params *freesync_params); 119 120 bool mod_freesync_get_state(struct mod_freesync *mod_freesync, 121 struct dc_stream_state *stream, 122 struct mod_freesync_params *freesync_params); 123 124 bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync, 125 struct dc_stream_state **streams, int num_streams, 126 struct mod_freesync_user_enable *user_enable); 127 128 bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync, 129 struct dc_stream_state *stream, 130 struct mod_freesync_user_enable *user_enable); 131 132 bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync, 133 struct dc_stream_state *stream, 134 bool *is_ramp_active); 135 136 bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync, 137 struct dc_stream_state *streams, 138 unsigned int min_refresh, 139 unsigned int max_refresh, 140 struct mod_freesync_caps *caps); 141 142 bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync, 143 struct dc_stream_state *stream, 144 unsigned int *min_refresh, 145 unsigned int *max_refresh); 146 147 bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync, 148 struct dc_stream_state *stream, 149 unsigned int *vmin, 150 unsigned int *vmax); 151 152 bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync, 153 struct dc_stream_state *stream, 154 unsigned int *nom_v_pos, 155 unsigned int *v_pos); 156 157 void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync, 158 struct dc_stream_state **streams, int num_streams); 159 160 void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync, 161 struct dc_stream_state **streams, int num_streams); 162 163 void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync, 164 struct dc_stream_state **streams, int num_streams, 165 unsigned int curr_time_stamp); 166 167 void mod_freesync_get_settings(struct mod_freesync *mod_freesync, 168 struct dc_stream_state **streams, int num_streams, 169 unsigned int *v_total_min, unsigned int *v_total_max, 170 unsigned int *event_triggers, 171 unsigned int *window_min, unsigned int *window_max, 172 unsigned int *lfc_mid_point_in_us, 173 unsigned int *inserted_frames, 174 unsigned int *inserted_duration_in_us); 175 176 #endif 177