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