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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#ifndef MOD_FREESYNC_H_
27#define MOD_FREESYNC_H_
28
29#include "mod_shared.h"
30
31// Access structures
32struct mod_freesync {
33 int dummy;
34};
35
36// TODO: References to this should be removed
37struct mod_freesync_caps {
38 bool supported;
39 unsigned int min_refresh_in_micro_hz;
40 unsigned int max_refresh_in_micro_hz;
41};
42
43enum mod_vrr_state {
44 VRR_STATE_UNSUPPORTED = 0,
45 VRR_STATE_DISABLED,
46 VRR_STATE_INACTIVE,
47 VRR_STATE_ACTIVE_VARIABLE,
48 VRR_STATE_ACTIVE_FIXED
49};
50
51struct mod_freesync_config {
52 enum mod_vrr_state state;
53 bool vsif_supported;
54 bool ramping;
55 bool btr;
56 unsigned int min_refresh_in_uhz;
57 unsigned int max_refresh_in_uhz;
58 unsigned int fixed_refresh_in_uhz;
59
60};
61
62struct mod_vrr_params_btr {
63 bool btr_enabled;
64 bool btr_active;
65 uint32_t mid_point_in_us;
66 uint32_t inserted_duration_in_us;
67 uint32_t frames_to_insert;
68 uint32_t frame_counter;
69 uint32_t margin_in_us;
70};
71
72struct mod_vrr_params_fixed_refresh {
73 bool fixed_active;
74 bool ramping_active;
75 bool ramping_done;
76 uint32_t target_refresh_in_uhz;
77 uint32_t frame_counter;
78};
79
80struct mod_vrr_params_flip_interval {
81 bool flip_interval_workaround_active;
82 bool program_flip_interval_workaround;
83 bool do_flip_interval_workaround_cleanup;
84 uint32_t flip_interval_detect_counter;
85 uint32_t vsyncs_between_flip;
86 uint32_t vsync_to_flip_in_us;
87 uint32_t v_update_timestamp_in_us;
88};
89
90struct mod_vrr_params {
91 bool supported;
92 bool send_info_frame;
93 enum mod_vrr_state state;
94
95 uint32_t min_refresh_in_uhz;
96 uint32_t max_duration_in_us;
97 uint32_t max_refresh_in_uhz;
98 uint32_t min_duration_in_us;
99 uint32_t fixed_refresh_in_uhz;
100
101 struct dc_crtc_timing_adjust adjust;
102
103 struct mod_vrr_params_fixed_refresh fixed;
104
105 struct mod_vrr_params_btr btr;
106
107 struct mod_vrr_params_flip_interval flip_interval;
108};
109
110struct mod_freesync *mod_freesync_create(struct dc *dc);
111void mod_freesync_destroy(struct mod_freesync *mod_freesync);
112
113bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync,
114 const struct dc_stream_state *stream,
115 unsigned int *vmin,
116 unsigned int *vmax);
117
118bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync,
119 struct dc_stream_state *stream,
120 unsigned int *nom_v_pos,
121 unsigned int *v_pos);
122
123void mod_freesync_get_settings(struct mod_freesync *mod_freesync,
124 const struct mod_vrr_params *vrr,
125 unsigned int *v_total_min, unsigned int *v_total_max,
126 unsigned int *event_triggers,
127 unsigned int *window_min, unsigned int *window_max,
128 unsigned int *lfc_mid_point_in_us,
129 unsigned int *inserted_frames,
130 unsigned int *inserted_duration_in_us);
131
132void mod_freesync_build_vrr_infopacket(struct mod_freesync *mod_freesync,
133 const struct dc_stream_state *stream,
134 const struct mod_vrr_params *vrr,
135 enum vrr_packet_type packet_type,
136 enum color_transfer_func app_tf,
137 struct dc_info_packet *infopacket,
138 bool pack_sdp_v1_3);
139
140void mod_freesync_build_vrr_params(struct mod_freesync *mod_freesync,
141 const struct dc_stream_state *stream,
142 struct mod_freesync_config *in_config,
143 struct mod_vrr_params *in_out_vrr);
144
145void mod_freesync_handle_preflip(struct mod_freesync *mod_freesync,
146 const struct dc_plane_state *plane,
147 const struct dc_stream_state *stream,
148 unsigned int curr_time_stamp_in_us,
149 struct mod_vrr_params *in_out_vrr);
150
151void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
152 const struct dc_stream_state *stream,
153 struct mod_vrr_params *in_out_vrr);
154
155unsigned long long mod_freesync_calc_nominal_field_rate(
156 const struct dc_stream_state *stream);
157
158unsigned long long mod_freesync_calc_field_rate_from_timing(
159 unsigned int vtotal, unsigned int htotal, unsigned int pix_clk);
160
161bool mod_freesync_is_valid_range(uint32_t min_refresh_cap_in_uhz,
162 uint32_t max_refresh_cap_in_uhz,
163 uint32_t nominal_field_rate_in_uhz);
164
165unsigned int mod_freesync_calc_v_total_from_refresh(
166 const struct dc_stream_state *stream,
167 unsigned int refresh_in_uhz);
168
169// Returns true when FreeSync is supported and enabled (even if it is inactive)
170bool mod_freesync_get_freesync_enabled(struct mod_vrr_params *pVrr);
171
172#endif
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
59struct mod_freesync *mod_freesync_create(struct dc *dc);
60void mod_freesync_destroy(struct mod_freesync *mod_freesync);
61
62struct mod_freesync {
63 int dummy;
64};
65
66enum mod_freesync_state {
67 FREESYNC_STATE_NONE,
68 FREESYNC_STATE_FULLSCREEN,
69 FREESYNC_STATE_STATIC_SCREEN,
70 FREESYNC_STATE_VIDEO
71};
72
73enum 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
79struct mod_freesync_user_enable {
80 bool enable_for_static;
81 bool enable_for_video;
82 bool enable_for_gaming;
83};
84
85struct 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
93struct 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 */
103bool 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 */
109bool 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 */
116void 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
120bool mod_freesync_get_state(struct mod_freesync *mod_freesync,
121 struct dc_stream_state *stream,
122 struct mod_freesync_params *freesync_params);
123
124bool 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
128bool 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
132bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync,
133 struct dc_stream_state *stream,
134 bool *is_ramp_active);
135
136bool 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
142bool 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
147bool 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
152bool 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
157void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync,
158 struct dc_stream_state **streams, int num_streams);
159
160void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync,
161 struct dc_stream_state **streams, int num_streams);
162
163void 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
167void 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