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4562236b HW |
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 | ||
c2791297 | 57 | #include "mod_shared.h" |
4562236b | 58 | |
98e6436d | 59 | // Access structures |
4562236b HW |
60 | struct mod_freesync { |
61 | int dummy; | |
62 | }; | |
63 | ||
98e6436d | 64 | // TODO: References to this should be removed |
4562236b HW |
65 | struct mod_freesync_caps { |
66 | bool supported; | |
67 | unsigned int min_refresh_in_micro_hz; | |
68 | unsigned int max_refresh_in_micro_hz; | |
4562236b HW |
69 | }; |
70 | ||
98e6436d AK |
71 | enum mod_vrr_state { |
72 | VRR_STATE_UNSUPPORTED = 0, | |
73 | VRR_STATE_DISABLED, | |
74 | VRR_STATE_INACTIVE, | |
75 | VRR_STATE_ACTIVE_VARIABLE, | |
76 | VRR_STATE_ACTIVE_FIXED | |
4562236b HW |
77 | }; |
78 | ||
98e6436d AK |
79 | struct mod_freesync_config { |
80 | enum mod_vrr_state state; | |
69ff8845 | 81 | bool vsif_supported; |
98e6436d AK |
82 | bool ramping; |
83 | bool btr; | |
84 | unsigned int min_refresh_in_uhz; | |
85 | unsigned int max_refresh_in_uhz; | |
d2bacc38 HZ |
86 | unsigned int fixed_refresh_in_uhz; |
87 | ||
98e6436d | 88 | }; |
4562236b | 89 | |
98e6436d AK |
90 | struct mod_vrr_params_btr { |
91 | bool btr_enabled; | |
92 | bool btr_active; | |
93 | uint32_t mid_point_in_us; | |
94 | uint32_t inserted_duration_in_us; | |
95 | uint32_t frames_to_insert; | |
96 | uint32_t frame_counter; | |
ded6119e | 97 | uint32_t margin_in_us; |
98e6436d | 98 | }; |
4562236b | 99 | |
98e6436d AK |
100 | struct mod_vrr_params_fixed_refresh { |
101 | bool fixed_active; | |
102 | bool ramping_active; | |
103 | bool ramping_done; | |
104 | uint32_t target_refresh_in_uhz; | |
105 | uint32_t frame_counter; | |
106 | }; | |
4562236b | 107 | |
3fe5739d AW |
108 | struct mod_vrr_params_flip_interval { |
109 | bool flip_interval_workaround_active; | |
110 | bool program_flip_interval_workaround; | |
111 | bool do_flip_interval_workaround_cleanup; | |
112 | uint32_t flip_interval_detect_counter; | |
113 | uint32_t vsyncs_between_flip; | |
114 | uint32_t vsync_to_flip_in_us; | |
115 | uint32_t v_update_timestamp_in_us; | |
116 | }; | |
117 | ||
98e6436d AK |
118 | struct mod_vrr_params { |
119 | bool supported; | |
ca35899c | 120 | bool send_info_frame; |
98e6436d | 121 | enum mod_vrr_state state; |
4562236b | 122 | |
98e6436d AK |
123 | uint32_t min_refresh_in_uhz; |
124 | uint32_t max_duration_in_us; | |
125 | uint32_t max_refresh_in_uhz; | |
126 | uint32_t min_duration_in_us; | |
d2bacc38 | 127 | uint32_t fixed_refresh_in_uhz; |
4562236b | 128 | |
98e6436d | 129 | struct dc_crtc_timing_adjust adjust; |
4562236b | 130 | |
98e6436d | 131 | struct mod_vrr_params_fixed_refresh fixed; |
1a87fbfe | 132 | |
98e6436d | 133 | struct mod_vrr_params_btr btr; |
3fe5739d AW |
134 | |
135 | struct mod_vrr_params_flip_interval flip_interval; | |
98e6436d | 136 | }; |
72ada5f7 | 137 | |
98e6436d AK |
138 | struct mod_freesync *mod_freesync_create(struct dc *dc); |
139 | void mod_freesync_destroy(struct mod_freesync *mod_freesync); | |
72ada5f7 EC |
140 | |
141 | bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync, | |
98e6436d | 142 | const struct dc_stream_state *stream, |
72ada5f7 EC |
143 | unsigned int *vmin, |
144 | unsigned int *vmax); | |
145 | ||
146 | bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync, | |
0971c40e | 147 | struct dc_stream_state *stream, |
72ada5f7 EC |
148 | unsigned int *nom_v_pos, |
149 | unsigned int *v_pos); | |
150 | ||
a3e1737e | 151 | void mod_freesync_get_settings(struct mod_freesync *mod_freesync, |
98e6436d | 152 | const struct mod_vrr_params *vrr, |
a3e1737e AK |
153 | unsigned int *v_total_min, unsigned int *v_total_max, |
154 | unsigned int *event_triggers, | |
155 | unsigned int *window_min, unsigned int *window_max, | |
156 | unsigned int *lfc_mid_point_in_us, | |
157 | unsigned int *inserted_frames, | |
158 | unsigned int *inserted_duration_in_us); | |
159 | ||
98e6436d AK |
160 | void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync, |
161 | const struct dc_stream_state *stream, | |
162 | const struct mod_vrr_params *vrr, | |
c2791297 | 163 | enum vrr_packet_type packet_type, |
672e78ca | 164 | enum color_transfer_func app_tf, |
4cda3243 MT |
165 | struct dc_info_packet *infopacket, |
166 | bool pack_sdp_v1_3); | |
98e6436d AK |
167 | |
168 | void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync, | |
169 | const struct dc_stream_state *stream, | |
170 | struct mod_freesync_config *in_config, | |
171 | struct mod_vrr_params *in_out_vrr); | |
172 | ||
173 | void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync, | |
174 | const struct dc_plane_state *plane, | |
175 | const struct dc_stream_state *stream, | |
176 | unsigned int curr_time_stamp_in_us, | |
177 | struct mod_vrr_params *in_out_vrr); | |
178 | ||
179 | void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync, | |
180 | const struct dc_stream_state *stream, | |
181 | struct mod_vrr_params *in_out_vrr); | |
182 | ||
ff6014d6 AK |
183 | unsigned long long mod_freesync_calc_nominal_field_rate( |
184 | const struct dc_stream_state *stream); | |
185 | ||
49c70ece AL |
186 | unsigned long long mod_freesync_calc_field_rate_from_timing( |
187 | unsigned int vtotal, unsigned int htotal, unsigned int pix_clk); | |
188 | ||
ad339f69 | 189 | bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz, |
e80e9446 | 190 | uint32_t max_refresh_cap_in_uhz, |
ad339f69 | 191 | uint32_t nominal_field_rate_in_uhz); |
e80e9446 | 192 | |
49c70ece AL |
193 | unsigned int mod_freesync_calc_v_total_from_refresh( |
194 | const struct dc_stream_state *stream, | |
195 | unsigned int refresh_in_uhz); | |
a9f54ce3 | 196 | |
4562236b | 197 | #endif |