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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
 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