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 struct dc_crtc_timing_adjust timing_adjust; 52 struct vrr_params vrr_params; 53 54 struct rect src; /* composition area */ 55 struct rect dst; /* stream addressable area */ 56 57 struct audio_info audio_info; 58 59 struct freesync_context freesync_ctx; 60 61 struct dc_hdr_static_metadata hdr_static_metadata; 62 struct dc_transfer_func *out_transfer_func; 63 struct colorspace_transform gamut_remap_matrix; 64 struct csc_transform csc_color_matrix; 65 66 enum dc_color_space output_color_space; 67 enum dc_dither_option dither_option; 68 69 enum view_3d_format view_format; 70 enum color_transfer_func output_tf; 71 72 bool ignore_msa_timing_param; 73 /* TODO: custom INFO packets */ 74 /* TODO: ABM info (DMCU) */ 75 /* PSR info */ 76 unsigned char psr_version; 77 /* TODO: CEA VIC */ 78 79 /* DMCU info */ 80 unsigned int abm_level; 81 unsigned int bl_pwm_level; 82 83 /* from core_stream struct */ 84 struct dc_context *ctx; 85 86 /* used by DCP and FMT */ 87 struct bit_depth_reduction_params bit_depth_params; 88 struct clamping_and_pixel_encoding_params clamping; 89 90 int phy_pix_clk; 91 enum signal_type signal; 92 bool dpms_off; 93 94 struct dc_stream_status status; 95 96 struct dc_cursor_attributes cursor_attributes; 97 struct dc_cursor_position cursor_position; 98 99 /* from stream struct */ 100 struct kref refcount; 101 102 struct crtc_trigger_info triggered_crtc_reset; 103 104 /* Computed state bits */ 105 bool mode_changed : 1; 106 107 }; 108 109 struct dc_stream_update { 110 struct rect src; 111 struct rect dst; 112 struct dc_transfer_func *out_transfer_func; 113 struct dc_hdr_static_metadata *hdr_static_metadata; 114 enum color_transfer_func color_output_tf; 115 unsigned int *abm_level; 116 }; 117 118 bool dc_is_stream_unchanged( 119 struct dc_stream_state *old_stream, struct dc_stream_state *stream); 120 bool dc_is_stream_scaling_unchanged( 121 struct dc_stream_state *old_stream, struct dc_stream_state *stream); 122 123 /* 124 * Set up surface attributes and associate to a stream 125 * The surfaces parameter is an absolute set of all surface active for the stream. 126 * If no surfaces are provided, the stream will be blanked; no memory read. 127 * Any flip related attribute changes must be done through this interface. 128 * 129 * After this call: 130 * Surfaces attributes are programmed and configured to be composed into stream. 131 * This does not trigger a flip. No surface address is programmed. 132 */ 133 134 bool dc_commit_planes_to_stream( 135 struct dc *dc, 136 struct dc_plane_state **plane_states, 137 uint8_t new_plane_count, 138 struct dc_stream_state *dc_stream, 139 struct dc_state *state); 140 141 void dc_commit_updates_for_stream(struct dc *dc, 142 struct dc_surface_update *srf_updates, 143 int surface_count, 144 struct dc_stream_state *stream, 145 struct dc_stream_update *stream_update, 146 struct dc_plane_state **plane_states, 147 struct dc_state *state); 148 /* 149 * Log the current stream state. 150 */ 151 void dc_stream_log( 152 const struct dc_stream_state *stream, 153 struct dal_logger *dc_logger, 154 enum dc_log_type log_type); 155 156 uint8_t dc_get_current_stream_count(struct dc *dc); 157 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i); 158 159 /* 160 * Return the current frame counter. 161 */ 162 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream); 163 164 /* TODO: Return parsed values rather than direct register read 165 * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos) 166 * being refactored properly to be dce-specific 167 */ 168 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream, 169 uint32_t *v_blank_start, 170 uint32_t *v_blank_end, 171 uint32_t *h_position, 172 uint32_t *v_position); 173 174 enum dc_status dc_add_stream_to_ctx( 175 struct dc *dc, 176 struct dc_state *new_ctx, 177 struct dc_stream_state *stream); 178 179 enum dc_status dc_remove_stream_from_ctx( 180 struct dc *dc, 181 struct dc_state *new_ctx, 182 struct dc_stream_state *stream); 183 184 185 bool dc_add_plane_to_context( 186 const struct dc *dc, 187 struct dc_stream_state *stream, 188 struct dc_plane_state *plane_state, 189 struct dc_state *context); 190 191 bool dc_remove_plane_from_context( 192 const struct dc *dc, 193 struct dc_stream_state *stream, 194 struct dc_plane_state *plane_state, 195 struct dc_state *context); 196 197 bool dc_rem_all_planes_for_stream( 198 const struct dc *dc, 199 struct dc_stream_state *stream, 200 struct dc_state *context); 201 202 bool dc_add_all_planes_for_stream( 203 const struct dc *dc, 204 struct dc_stream_state *stream, 205 struct dc_plane_state * const *plane_states, 206 int plane_count, 207 struct dc_state *context); 208 209 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream); 210 211 /* 212 * This function takes a stream and checks if it is guaranteed to be supported. 213 * Guaranteed means that MAX_COFUNC similar streams are supported. 214 * 215 * After this call: 216 * No hardware is programmed for call. Only validation is done. 217 */ 218 219 /* 220 * Set up streams and links associated to drive sinks 221 * The streams parameter is an absolute set of all active streams. 222 * 223 * After this call: 224 * Phy, Encoder, Timing Generator are programmed and enabled. 225 * New streams are enabled with blank stream; no memory read. 226 */ 227 /* 228 * Enable stereo when commit_streams is not required, 229 * for example, frame alternate. 230 */ 231 bool dc_enable_stereo( 232 struct dc *dc, 233 struct dc_state *context, 234 struct dc_stream_state *streams[], 235 uint8_t stream_count); 236 237 238 enum surface_update_type dc_check_update_surfaces_for_stream( 239 struct dc *dc, 240 struct dc_surface_update *updates, 241 int surface_count, 242 struct dc_stream_update *stream_update, 243 const struct dc_stream_status *stream_status); 244 245 /** 246 * Create a new default stream for the requested sink 247 */ 248 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink); 249 250 void update_stream_signal(struct dc_stream_state *stream); 251 252 void dc_stream_retain(struct dc_stream_state *dc_stream); 253 void dc_stream_release(struct dc_stream_state *dc_stream); 254 255 struct dc_stream_status *dc_stream_get_status( 256 struct dc_stream_state *dc_stream); 257 258 /******************************************************************************* 259 * Cursor interfaces - To manages the cursor within a stream 260 ******************************************************************************/ 261 /* TODO: Deprecated once we switch to dc_set_cursor_position */ 262 bool dc_stream_set_cursor_attributes( 263 struct dc_stream_state *stream, 264 const struct dc_cursor_attributes *attributes); 265 266 bool dc_stream_set_cursor_position( 267 struct dc_stream_state *stream, 268 const struct dc_cursor_position *position); 269 270 bool dc_stream_adjust_vmin_vmax(struct dc *dc, 271 struct dc_stream_state **stream, 272 int num_streams, 273 int vmin, 274 int vmax); 275 276 bool dc_stream_get_crtc_position(struct dc *dc, 277 struct dc_stream_state **stream, 278 int num_streams, 279 unsigned int *v_pos, 280 unsigned int *nom_v_pos); 281 282 bool dc_stream_configure_crc(struct dc *dc, 283 struct dc_stream_state *stream, 284 bool enable, 285 bool continuous); 286 287 bool dc_stream_get_crc(struct dc *dc, 288 struct dc_stream_state *stream, 289 uint32_t *r_cr, 290 uint32_t *g_y, 291 uint32_t *b_cb); 292 293 void dc_stream_set_static_screen_events(struct dc *dc, 294 struct dc_stream_state **stream, 295 int num_streams, 296 const struct dc_static_screen_events *events); 297 298 void dc_stream_set_dither_option(struct dc_stream_state *stream, 299 enum dc_dither_option option); 300 301 302 bool dc_stream_adjust_vmin_vmax(struct dc *dc, 303 struct dc_stream_state **stream, 304 int num_streams, 305 int vmin, 306 int vmax); 307 308 bool dc_stream_get_crtc_position(struct dc *dc, 309 struct dc_stream_state **stream, 310 int num_streams, 311 unsigned int *v_pos, 312 unsigned int *nom_v_pos); 313 314 void dc_stream_set_static_screen_events(struct dc *dc, 315 struct dc_stream_state **stream, 316 int num_streams, 317 const struct dc_static_screen_events *events); 318 319 #endif /* DC_STREAM_H_ */ 320