diff options
Diffstat (limited to 'drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h')
| -rw-r--r-- | drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h new file mode 100644 index 000000000000..84b53425f2c8 --- /dev/null +++ b/drivers/gpu/drm/amd/display/modules/inc/mod_freesync.h @@ -0,0 +1,167 @@ +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + + + + +/* + * Copyright 2016 Advanced Micro Devices, Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR + * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, + * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + * + * Authors: AMD + * + */ + +#ifndef MOD_FREESYNC_H_ +#define MOD_FREESYNC_H_ + +#include "dm_services.h" + +struct mod_freesync *mod_freesync_create(struct dc *dc); +void mod_freesync_destroy(struct mod_freesync *mod_freesync); + +struct mod_freesync { + int dummy; +}; + +enum mod_freesync_state { + FREESYNC_STATE_NONE, + FREESYNC_STATE_FULLSCREEN, + FREESYNC_STATE_STATIC_SCREEN, + FREESYNC_STATE_VIDEO +}; + +enum mod_freesync_user_enable_mask { + FREESYNC_USER_ENABLE_STATIC = 0x1, + FREESYNC_USER_ENABLE_VIDEO = 0x2, + FREESYNC_USER_ENABLE_GAMING = 0x4 +}; + +struct mod_freesync_user_enable { + bool enable_for_static; + bool enable_for_video; + bool enable_for_gaming; +}; + +struct mod_freesync_caps { + bool supported; + unsigned int min_refresh_in_micro_hz; + unsigned int max_refresh_in_micro_hz; + + bool btr_supported; +}; + +struct mod_freesync_params { + enum mod_freesync_state state; + bool enable; + unsigned int update_duration_in_ns; + bool windowed_fullscreen; +}; + +/* + * Add stream to be tracked by module + */ +bool mod_freesync_add_stream(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, struct mod_freesync_caps *caps); + +/* + * Remove stream to be tracked by module + */ +bool mod_freesync_remove_stream(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream); + +/* + * Update the freesync state flags for each display and program + * freesync accordingly + */ +void mod_freesync_update_state(struct mod_freesync *mod_freesync, + struct dc_stream_state **streams, int num_streams, + struct mod_freesync_params *freesync_params); + +bool mod_freesync_get_state(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, + struct mod_freesync_params *freesync_params); + +bool mod_freesync_set_user_enable(struct mod_freesync *mod_freesync, + struct dc_stream_state **streams, int num_streams, + struct mod_freesync_user_enable *user_enable); + +bool mod_freesync_get_user_enable(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, + struct mod_freesync_user_enable *user_enable); + +bool mod_freesync_get_static_ramp_active(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, + bool *is_ramp_active); + +bool mod_freesync_override_min_max(struct mod_freesync *mod_freesync, + struct dc_stream_state *streams, + unsigned int min_refresh, + unsigned int max_refresh, + struct mod_freesync_caps *caps); + +bool mod_freesync_get_min_max(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, + unsigned int *min_refresh, + unsigned int *max_refresh); + +bool mod_freesync_get_vmin_vmax(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, + unsigned int *vmin, + unsigned int *vmax); + +bool mod_freesync_get_v_position(struct mod_freesync *mod_freesync, + struct dc_stream_state *stream, + unsigned int *nom_v_pos, + unsigned int *v_pos); + +void mod_freesync_handle_v_update(struct mod_freesync *mod_freesync, + struct dc_stream_state **streams, int num_streams); + +void mod_freesync_notify_mode_change(struct mod_freesync *mod_freesync, + struct dc_stream_state **streams, int num_streams); + +void mod_freesync_pre_update_plane_addresses(struct mod_freesync *mod_freesync, + struct dc_stream_state **streams, int num_streams, + unsigned int curr_time_stamp); + +#endif |