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 uint32_t sdr_white_level; // for boosting (SDR) cursor in HDR mode 104 105 /* from stream struct */ 106 struct kref refcount; 107 108 struct crtc_trigger_info triggered_crtc_reset; 109 110 /* Computed state bits */ 111 bool mode_changed : 1; 112 113 }; 114 115 struct dc_stream_update { 116 struct rect src; 117 struct rect dst; 118 struct dc_transfer_func *out_transfer_func; 119 struct dc_info_packet *hdr_static_metadata; 120 unsigned int *abm_level; 121 122 unsigned long long *periodic_fn_vsync_delta; 123 }; 124 125 bool dc_is_stream_unchanged( 126 struct dc_stream_state *old_stream, struct dc_stream_state *stream); 127 bool dc_is_stream_scaling_unchanged( 128 struct dc_stream_state *old_stream, struct dc_stream_state *stream); 129 130 /* 131 * Set up surface attributes and associate to a stream 132 * The surfaces parameter is an absolute set of all surface active for the stream. 133 * If no surfaces are provided, the stream will be blanked; no memory read. 134 * Any flip related attribute changes must be done through this interface. 135 * 136 * After this call: 137 * Surfaces attributes are programmed and configured to be composed into stream. 138 * This does not trigger a flip. No surface address is programmed. 139 */ 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(const struct dc *dc, const struct dc_stream_state *stream); 152 153 uint8_t dc_get_current_stream_count(struct dc *dc); 154 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i); 155 156 /* 157 * Return the current frame counter. 158 */ 159 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream); 160 161 /* TODO: Return parsed values rather than direct register read 162 * This has a dependency on the caller (amdgpu_display_get_crtc_scanoutpos) 163 * being refactored properly to be dce-specific 164 */ 165 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream, 166 uint32_t *v_blank_start, 167 uint32_t *v_blank_end, 168 uint32_t *h_position, 169 uint32_t *v_position); 170 171 enum dc_status dc_add_stream_to_ctx( 172 struct dc *dc, 173 struct dc_state *new_ctx, 174 struct dc_stream_state *stream); 175 176 enum dc_status dc_remove_stream_from_ctx( 177 struct dc *dc, 178 struct dc_state *new_ctx, 179 struct dc_stream_state *stream); 180 181 182 bool dc_add_plane_to_context( 183 const struct dc *dc, 184 struct dc_stream_state *stream, 185 struct dc_plane_state *plane_state, 186 struct dc_state *context); 187 188 bool dc_remove_plane_from_context( 189 const struct dc *dc, 190 struct dc_stream_state *stream, 191 struct dc_plane_state *plane_state, 192 struct dc_state *context); 193 194 bool dc_rem_all_planes_for_stream( 195 const struct dc *dc, 196 struct dc_stream_state *stream, 197 struct dc_state *context); 198 199 bool dc_add_all_planes_for_stream( 200 const struct dc *dc, 201 struct dc_stream_state *stream, 202 struct dc_plane_state * const *plane_states, 203 int plane_count, 204 struct dc_state *context); 205 206 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream); 207 208 /* 209 * Set up streams and links associated to drive sinks 210 * The streams parameter is an absolute set of all active streams. 211 * 212 * After this call: 213 * Phy, Encoder, Timing Generator are programmed and enabled. 214 * New streams are enabled with blank stream; no memory read. 215 */ 216 /* 217 * Enable stereo when commit_streams is not required, 218 * for example, frame alternate. 219 */ 220 bool dc_enable_stereo( 221 struct dc *dc, 222 struct dc_state *context, 223 struct dc_stream_state *streams[], 224 uint8_t stream_count); 225 226 227 enum surface_update_type dc_check_update_surfaces_for_stream( 228 struct dc *dc, 229 struct dc_surface_update *updates, 230 int surface_count, 231 struct dc_stream_update *stream_update, 232 const struct dc_stream_status *stream_status); 233 234 /** 235 * Create a new default stream for the requested sink 236 */ 237 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink); 238 239 void update_stream_signal(struct dc_stream_state *stream); 240 241 void dc_stream_retain(struct dc_stream_state *dc_stream); 242 void dc_stream_release(struct dc_stream_state *dc_stream); 243 244 struct dc_stream_status *dc_stream_get_status( 245 struct dc_stream_state *dc_stream); 246 247 /******************************************************************************* 248 * Cursor interfaces - To manages the cursor within a stream 249 ******************************************************************************/ 250 /* TODO: Deprecated once we switch to dc_set_cursor_position */ 251 bool dc_stream_set_cursor_attributes( 252 struct dc_stream_state *stream, 253 const struct dc_cursor_attributes *attributes); 254 255 bool dc_stream_set_cursor_position( 256 struct dc_stream_state *stream, 257 const struct dc_cursor_position *position); 258 259 260 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 bool dc_stream_configure_crc(struct dc *dc, 273 struct dc_stream_state *stream, 274 bool enable, 275 bool continuous); 276 277 bool dc_stream_get_crc(struct dc *dc, 278 struct dc_stream_state *stream, 279 uint32_t *r_cr, 280 uint32_t *g_y, 281 uint32_t *b_cb); 282 283 void dc_stream_set_static_screen_events(struct dc *dc, 284 struct dc_stream_state **stream, 285 int num_streams, 286 const struct dc_static_screen_events *events); 287 288 void dc_stream_set_dither_option(struct dc_stream_state *stream, 289 enum dc_dither_option option); 290 291 #endif /* DC_STREAM_H_ */ 292