1 /* 2 * Copyright 2012-14 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 DC_STREAM_H_ 27 #define DC_STREAM_H_ 28 29 #include "dc_types.h" 30 #include "grph_object_defs.h" 31 32 /******************************************************************************* 33 * Stream Interfaces 34 ******************************************************************************/ 35 36 struct dc_stream_status { 37 int primary_otg_inst; 38 int stream_enc_inst; 39 int plane_count; 40 struct dc_plane_state *plane_states[MAX_SURFACE_NUM]; 41 42 /* 43 * link this stream passes through 44 */ 45 struct dc_link *link; 46 }; 47 48 struct dc_stream_state { 49 struct dc_sink *sink; 50 struct dc_crtc_timing timing; 51 52 struct rect src; /* composition area */ 53 struct rect dst; /* stream addressable area */ 54 55 struct audio_info audio_info; 56 57 struct freesync_context freesync_ctx; 58 59 struct dc_hdr_static_metadata hdr_static_metadata; 60 struct dc_transfer_func *out_transfer_func; 61 struct colorspace_transform gamut_remap_matrix; 62 struct csc_transform csc_color_matrix; 63 64 enum dc_color_space output_color_space; 65 enum dc_dither_option dither_option; 66 67 enum view_3d_format view_format; 68 69 bool ignore_msa_timing_param; 70 /* TODO: custom INFO packets */ 71 /* TODO: ABM info (DMCU) */ 72 /* TODO: PSR info */ 73 /* TODO: CEA VIC */ 74 75 /* from core_stream struct */ 76 struct dc_context *ctx; 77 78 /* used by DCP and FMT */ 79 struct bit_depth_reduction_params bit_depth_params; 80 struct clamping_and_pixel_encoding_params clamping; 81 82 int phy_pix_clk; 83 enum signal_type signal; 84 bool dpms_off; 85 86 struct dc_stream_status status; 87 88 struct dc_cursor_attributes cursor_attributes; 89 struct dc_cursor_position cursor_position; 90 91 /* from stream struct */ 92 struct kref refcount; 93 94 struct crtc_trigger_info triggered_crtc_reset; 95 96 /* Computed state bits */ 97 bool mode_changed : 1; 98 99 }; 100 101 struct dc_stream_update { 102 struct rect src; 103 struct rect dst; 104 struct dc_transfer_func *out_transfer_func; 105 struct dc_hdr_static_metadata *hdr_static_metadata; 106 }; 107 108 bool dc_is_stream_unchanged( 109 struct dc_stream_state *old_stream, struct dc_stream_state *stream); 110 bool dc_is_stream_scaling_unchanged( 111 struct dc_stream_state *old_stream, struct dc_stream_state *stream); 112 113 /* 114 * Set up surface attributes and associate to a stream 115 * The surfaces parameter is an absolute set of all surface active for the stream. 116 * If no surfaces are provided, the stream will be blanked; no memory read. 117 * Any flip related attribute changes must be done through this interface. 118 * 119 * After this call: 120 * Surfaces attributes are programmed and configured to be composed into stream. 121 * This does not trigger a flip. No surface address is programmed. 122 */ 123 124 bool dc_commit_planes_to_stream( 125 struct dc *dc, 126 struct dc_plane_state **plane_states, 127 uint8_t new_plane_count, 128 struct dc_stream_state *dc_stream, 129 struct dc_state *state); 130 131 void dc_commit_updates_for_stream(struct dc *dc, 132 struct dc_surface_update *srf_updates, 133 int surface_count, 134 struct dc_stream_state *stream, 135 struct dc_stream_update *stream_update, 136 struct dc_plane_state **plane_states, 137 struct dc_state *state); 138 /* 139 * Log the current stream state. 140 */ 141 void dc_stream_log( 142 const struct dc_stream_state *stream, 143 struct dal_logger *dc_logger, 144 enum dc_log_type log_type); 145 146 uint8_t dc_get_current_stream_count(struct dc *dc); 147 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i); 148 149 /* 150 * Return the current frame counter. 151 */ 152 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream); 153 154 /* TODO: Return parsed values rather than direct register read 155 * This has a dependency on the caller (amdgpu_get_crtc_scanoutpos) 156 * being refactored properly to be dce-specific 157 */ 158 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream, 159 uint32_t *v_blank_start, 160 uint32_t *v_blank_end, 161 uint32_t *h_position, 162 uint32_t *v_position); 163 164 enum dc_status dc_add_stream_to_ctx( 165 struct dc *dc, 166 struct dc_state *new_ctx, 167 struct dc_stream_state *stream); 168 169 enum dc_status dc_remove_stream_from_ctx( 170 struct dc *dc, 171 struct dc_state *new_ctx, 172 struct dc_stream_state *stream); 173 174 175 bool dc_add_plane_to_context( 176 const struct dc *dc, 177 struct dc_stream_state *stream, 178 struct dc_plane_state *plane_state, 179 struct dc_state *context); 180 181 bool dc_remove_plane_from_context( 182 const struct dc *dc, 183 struct dc_stream_state *stream, 184 struct dc_plane_state *plane_state, 185 struct dc_state *context); 186 187 bool dc_rem_all_planes_for_stream( 188 const struct dc *dc, 189 struct dc_stream_state *stream, 190 struct dc_state *context); 191 192 bool dc_add_all_planes_for_stream( 193 const struct dc *dc, 194 struct dc_stream_state *stream, 195 struct dc_plane_state * const *plane_states, 196 int plane_count, 197 struct dc_state *context); 198 199 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream); 200 201 /* 202 * This function takes a stream and checks if it is guaranteed to be supported. 203 * Guaranteed means that MAX_COFUNC similar streams are supported. 204 * 205 * After this call: 206 * No hardware is programmed for call. Only validation is done. 207 */ 208 209 /* 210 * Set up streams and links associated to drive sinks 211 * The streams parameter is an absolute set of all active streams. 212 * 213 * After this call: 214 * Phy, Encoder, Timing Generator are programmed and enabled. 215 * New streams are enabled with blank stream; no memory read. 216 */ 217 /* 218 * Enable stereo when commit_streams is not required, 219 * for example, frame alternate. 220 */ 221 bool dc_enable_stereo( 222 struct dc *dc, 223 struct dc_state *context, 224 struct dc_stream_state *streams[], 225 uint8_t stream_count); 226 227 228 enum surface_update_type dc_check_update_surfaces_for_stream( 229 struct dc *dc, 230 struct dc_surface_update *updates, 231 int surface_count, 232 struct dc_stream_update *stream_update, 233 const struct dc_stream_status *stream_status); 234 235 /** 236 * Create a new default stream for the requested sink 237 */ 238 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink); 239 240 void update_stream_signal(struct dc_stream_state *stream); 241 242 void dc_stream_retain(struct dc_stream_state *dc_stream); 243 void dc_stream_release(struct dc_stream_state *dc_stream); 244 245 struct dc_stream_status *dc_stream_get_status( 246 struct dc_stream_state *dc_stream); 247 248 /******************************************************************************* 249 * Cursor interfaces - To manages the cursor within a stream 250 ******************************************************************************/ 251 /* TODO: Deprecated once we switch to dc_set_cursor_position */ 252 bool dc_stream_set_cursor_attributes( 253 struct dc_stream_state *stream, 254 const struct dc_cursor_attributes *attributes); 255 256 bool dc_stream_set_cursor_position( 257 struct dc_stream_state *stream, 258 const struct dc_cursor_position *position); 259 260 bool dc_stream_adjust_vmin_vmax(struct dc *dc, 261 struct dc_stream_state **stream, 262 int num_streams, 263 int vmin, 264 int vmax); 265 266 bool dc_stream_get_crtc_position(struct dc *dc, 267 struct dc_stream_state **stream, 268 int num_streams, 269 unsigned int *v_pos, 270 unsigned int *nom_v_pos); 271 272 void dc_stream_set_static_screen_events(struct dc *dc, 273 struct dc_stream_state **stream, 274 int num_streams, 275 const struct dc_static_screen_events *events); 276 277 278 bool dc_stream_adjust_vmin_vmax(struct dc *dc, 279 struct dc_stream_state **stream, 280 int num_streams, 281 int vmin, 282 int vmax); 283 284 bool dc_stream_get_crtc_position(struct dc *dc, 285 struct dc_stream_state **stream, 286 int num_streams, 287 unsigned int *v_pos, 288 unsigned int *nom_v_pos); 289 290 void dc_stream_set_static_screen_events(struct dc *dc, 291 struct dc_stream_state **stream, 292 int num_streams, 293 const struct dc_static_screen_events *events); 294 295 #endif /* DC_STREAM_H_ */ 296