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_INTERFACE_H_ 27 #define DC_INTERFACE_H_ 28 29 #include "dc_types.h" 30 #include "grph_object_defs.h" 31 #include "logger_types.h" 32 #include "gpio_types.h" 33 #include "link_service_types.h" 34 #include "grph_object_ctrl_defs.h" 35 #include <inc/hw/opp.h> 36 37 #include "inc/hw_sequencer.h" 38 #include "inc/compressor.h" 39 #include "inc/hw/dmcu.h" 40 #include "dml/display_mode_lib.h" 41 42 #define DC_VER "3.2.42" 43 44 #define MAX_SURFACES 3 45 #define MAX_PLANES 6 46 #define MAX_STREAMS 6 47 #define MAX_SINKS_PER_LINK 4 48 49 /******************************************************************************* 50 * Display Core Interfaces 51 ******************************************************************************/ 52 struct dc_versions { 53 const char *dc_ver; 54 struct dmcu_version dmcu_version; 55 }; 56 57 enum dc_plane_type { 58 DC_PLANE_TYPE_INVALID, 59 DC_PLANE_TYPE_DCE_RGB, 60 DC_PLANE_TYPE_DCE_UNDERLAY, 61 DC_PLANE_TYPE_DCN_UNIVERSAL, 62 }; 63 64 struct dc_plane_cap { 65 enum dc_plane_type type; 66 uint32_t blends_with_above : 1; 67 uint32_t blends_with_below : 1; 68 uint32_t per_pixel_alpha : 1; 69 struct { 70 uint32_t argb8888 : 1; 71 uint32_t nv12 : 1; 72 uint32_t fp16 : 1; 73 uint32_t p010 : 1; 74 uint32_t ayuv : 1; 75 } pixel_format_support; 76 // max upscaling factor x1000 77 // upscaling factors are always >= 1 78 // for example, 1080p -> 8K is 4.0, or 4000 raw value 79 struct { 80 uint32_t argb8888; 81 uint32_t nv12; 82 uint32_t fp16; 83 } max_upscale_factor; 84 // max downscale factor x1000 85 // downscale factors are always <= 1 86 // for example, 8K -> 1080p is 0.25, or 250 raw value 87 struct { 88 uint32_t argb8888; 89 uint32_t nv12; 90 uint32_t fp16; 91 } max_downscale_factor; 92 }; 93 94 struct dc_caps { 95 uint32_t max_streams; 96 uint32_t max_links; 97 uint32_t max_audios; 98 uint32_t max_slave_planes; 99 uint32_t max_planes; 100 uint32_t max_downscale_ratio; 101 uint32_t i2c_speed_in_khz; 102 uint32_t dmdata_alloc_size; 103 unsigned int max_cursor_size; 104 unsigned int max_video_width; 105 int linear_pitch_alignment; 106 bool dcc_const_color; 107 bool dynamic_audio; 108 bool is_apu; 109 bool dual_link_dvi; 110 bool post_blend_color_processing; 111 bool force_dp_tps4_for_cp2520; 112 bool disable_dp_clk_share; 113 bool psp_setup_panel_mode; 114 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 115 bool hw_3d_lut; 116 #endif 117 struct dc_plane_cap planes[MAX_PLANES]; 118 }; 119 120 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 121 struct dc_bug_wa { 122 bool no_connect_phy_config; 123 bool dedcn20_305_wa; 124 struct display_mode_lib alternate_dml; 125 }; 126 #endif 127 128 struct dc_dcc_surface_param { 129 struct dc_size surface_size; 130 enum surface_pixel_format format; 131 enum swizzle_mode_values swizzle_mode; 132 enum dc_scan_direction scan; 133 }; 134 135 struct dc_dcc_setting { 136 unsigned int max_compressed_blk_size; 137 unsigned int max_uncompressed_blk_size; 138 bool independent_64b_blks; 139 }; 140 141 struct dc_surface_dcc_cap { 142 union { 143 struct { 144 struct dc_dcc_setting rgb; 145 } grph; 146 147 struct { 148 struct dc_dcc_setting luma; 149 struct dc_dcc_setting chroma; 150 } video; 151 }; 152 153 bool capable; 154 bool const_color_support; 155 }; 156 157 struct dc_static_screen_events { 158 bool force_trigger; 159 bool cursor_update; 160 bool surface_update; 161 bool overlay_update; 162 }; 163 164 165 /* Surface update type is used by dc_update_surfaces_and_stream 166 * The update type is determined at the very beginning of the function based 167 * on parameters passed in and decides how much programming (or updating) is 168 * going to be done during the call. 169 * 170 * UPDATE_TYPE_FAST is used for really fast updates that do not require much 171 * logical calculations or hardware register programming. This update MUST be 172 * ISR safe on windows. Currently fast update will only be used to flip surface 173 * address. 174 * 175 * UPDATE_TYPE_MED is used for slower updates which require significant hw 176 * re-programming however do not affect bandwidth consumption or clock 177 * requirements. At present, this is the level at which front end updates 178 * that do not require us to run bw_calcs happen. These are in/out transfer func 179 * updates, viewport offset changes, recout size changes and pixel depth changes. 180 * This update can be done at ISR, but we want to minimize how often this happens. 181 * 182 * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our 183 * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front 184 * end related. Any time viewport dimensions, recout dimensions, scaling ratios or 185 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do 186 * a full update. This cannot be done at ISR level and should be a rare event. 187 * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting 188 * underscan we don't expect to see this call at all. 189 */ 190 191 enum surface_update_type { 192 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */ 193 UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/ 194 UPDATE_TYPE_FULL, /* may need to shuffle resources */ 195 }; 196 197 /* Forward declaration*/ 198 struct dc; 199 struct dc_plane_state; 200 struct dc_state; 201 202 203 struct dc_cap_funcs { 204 bool (*get_dcc_compression_cap)(const struct dc *dc, 205 const struct dc_dcc_surface_param *input, 206 struct dc_surface_dcc_cap *output); 207 }; 208 209 struct link_training_settings; 210 211 212 /* Structure to hold configuration flags set by dm at dc creation. */ 213 struct dc_config { 214 bool gpu_vm_support; 215 bool disable_disp_pll_sharing; 216 bool fbc_support; 217 bool optimize_edp_link_rate; 218 bool disable_fractional_pwm; 219 bool allow_seamless_boot_optimization; 220 bool power_down_display_on_boot; 221 bool edp_not_connected; 222 bool forced_clocks; 223 224 }; 225 226 enum visual_confirm { 227 VISUAL_CONFIRM_DISABLE = 0, 228 VISUAL_CONFIRM_SURFACE = 1, 229 VISUAL_CONFIRM_HDR = 2, 230 }; 231 232 enum dcc_option { 233 DCC_ENABLE = 0, 234 DCC_DISABLE = 1, 235 DCC_HALF_REQ_DISALBE = 2, 236 }; 237 238 enum pipe_split_policy { 239 MPC_SPLIT_DYNAMIC = 0, 240 MPC_SPLIT_AVOID = 1, 241 MPC_SPLIT_AVOID_MULT_DISP = 2, 242 }; 243 244 enum wm_report_mode { 245 WM_REPORT_DEFAULT = 0, 246 WM_REPORT_OVERRIDE = 1, 247 }; 248 249 /* 250 * For any clocks that may differ per pipe 251 * only the max is stored in this structure 252 */ 253 struct dc_clocks { 254 int dispclk_khz; 255 int max_supported_dppclk_khz; 256 int max_supported_dispclk_khz; 257 int dppclk_khz; 258 int bw_dppclk_khz; /*a copy of dppclk_khz*/ 259 int bw_dispclk_khz; 260 int dcfclk_khz; 261 int socclk_khz; 262 int dcfclk_deep_sleep_khz; 263 int fclk_khz; 264 int phyclk_khz; 265 int dramclk_khz; 266 bool p_state_change_support; 267 268 /* 269 * Elements below are not compared for the purposes of 270 * optimization required 271 */ 272 bool prev_p_state_change_support; 273 }; 274 275 struct dc_bw_validation_profile { 276 bool enable; 277 278 unsigned long long total_ticks; 279 unsigned long long voltage_level_ticks; 280 unsigned long long watermark_ticks; 281 unsigned long long rq_dlg_ticks; 282 283 unsigned long long total_count; 284 unsigned long long skip_fast_count; 285 unsigned long long skip_pass_count; 286 unsigned long long skip_fail_count; 287 }; 288 289 #define BW_VAL_TRACE_SETUP() \ 290 unsigned long long end_tick = 0; \ 291 unsigned long long voltage_level_tick = 0; \ 292 unsigned long long watermark_tick = 0; \ 293 unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \ 294 dm_get_timestamp(dc->ctx) : 0 295 296 #define BW_VAL_TRACE_COUNT() \ 297 if (dc->debug.bw_val_profile.enable) \ 298 dc->debug.bw_val_profile.total_count++ 299 300 #define BW_VAL_TRACE_SKIP(status) \ 301 if (dc->debug.bw_val_profile.enable) { \ 302 if (!voltage_level_tick) \ 303 voltage_level_tick = dm_get_timestamp(dc->ctx); \ 304 dc->debug.bw_val_profile.skip_ ## status ## _count++; \ 305 } 306 307 #define BW_VAL_TRACE_END_VOLTAGE_LEVEL() \ 308 if (dc->debug.bw_val_profile.enable) \ 309 voltage_level_tick = dm_get_timestamp(dc->ctx) 310 311 #define BW_VAL_TRACE_END_WATERMARKS() \ 312 if (dc->debug.bw_val_profile.enable) \ 313 watermark_tick = dm_get_timestamp(dc->ctx) 314 315 #define BW_VAL_TRACE_FINISH() \ 316 if (dc->debug.bw_val_profile.enable) { \ 317 end_tick = dm_get_timestamp(dc->ctx); \ 318 dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \ 319 dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \ 320 if (watermark_tick) { \ 321 dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \ 322 dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \ 323 } \ 324 } 325 326 struct dc_debug_options { 327 enum visual_confirm visual_confirm; 328 bool sanity_checks; 329 bool max_disp_clk; 330 bool surface_trace; 331 bool timing_trace; 332 bool clock_trace; 333 bool validation_trace; 334 bool bandwidth_calcs_trace; 335 int max_downscale_src_width; 336 337 /* stutter efficiency related */ 338 bool disable_stutter; 339 bool use_max_lb; 340 enum dcc_option disable_dcc; 341 enum pipe_split_policy pipe_split_policy; 342 bool force_single_disp_pipe_split; 343 bool voltage_align_fclk; 344 345 bool disable_dfs_bypass; 346 bool disable_dpp_power_gate; 347 bool disable_hubp_power_gate; 348 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT 349 bool disable_dsc_power_gate; 350 #endif 351 bool disable_pplib_wm_range; 352 enum wm_report_mode pplib_wm_report_mode; 353 unsigned int min_disp_clk_khz; 354 unsigned int min_dpp_clk_khz; 355 int sr_exit_time_dpm0_ns; 356 int sr_enter_plus_exit_time_dpm0_ns; 357 int sr_exit_time_ns; 358 int sr_enter_plus_exit_time_ns; 359 int urgent_latency_ns; 360 uint32_t underflow_assert_delay_us; 361 int percent_of_ideal_drambw; 362 int dram_clock_change_latency_ns; 363 bool optimized_watermark; 364 int always_scale; 365 bool disable_pplib_clock_request; 366 bool disable_clock_gate; 367 bool disable_dmcu; 368 bool disable_psr; 369 bool force_abm_enable; 370 bool disable_stereo_support; 371 bool vsr_support; 372 bool performance_trace; 373 bool az_endpoint_mute_only; 374 bool always_use_regamma; 375 bool p010_mpo_support; 376 bool recovery_enabled; 377 bool avoid_vbios_exec_table; 378 bool scl_reset_length10; 379 bool hdmi20_disable; 380 bool skip_detection_link_training; 381 bool remove_disconnect_edp; 382 unsigned int force_odm_combine; //bit vector based on otg inst 383 unsigned int force_fclk_khz; 384 bool disable_tri_buf; 385 struct dc_bw_validation_profile bw_val_profile; 386 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT 387 bool disable_fec; 388 #endif 389 /* This forces a hard min on the DCFCLK requested to SMU/PP 390 * watermarks are not affected. 391 */ 392 unsigned int force_min_dcfclk_mhz; 393 bool disable_timing_sync; 394 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 395 bool cm_in_bypass; 396 #endif 397 int force_clock_mode;/*every mode change.*/ 398 }; 399 400 struct dc_debug_data { 401 uint32_t ltFailCount; 402 uint32_t i2cErrorCount; 403 uint32_t auxErrorCount; 404 }; 405 406 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 407 struct dc_phy_addr_space_config { 408 struct { 409 uint64_t start_addr; 410 uint64_t end_addr; 411 uint64_t fb_top; 412 uint64_t fb_offset; 413 uint64_t fb_base; 414 uint64_t agp_top; 415 uint64_t agp_bot; 416 uint64_t agp_base; 417 } system_aperture; 418 419 struct { 420 uint64_t page_table_start_addr; 421 uint64_t page_table_end_addr; 422 uint64_t page_table_base_addr; 423 } gart_config; 424 425 bool valid; 426 }; 427 428 struct dc_virtual_addr_space_config { 429 uint64_t page_table_base_addr; 430 uint64_t page_table_start_addr; 431 uint64_t page_table_end_addr; 432 uint32_t page_table_block_size_in_bytes; 433 uint8_t page_table_depth; // 1 = 1 level, 2 = 2 level, etc. 0 = invalid 434 }; 435 #endif 436 437 struct dc_bounding_box_overrides { 438 int sr_exit_time_ns; 439 int sr_enter_plus_exit_time_ns; 440 int urgent_latency_ns; 441 int percent_of_ideal_drambw; 442 int dram_clock_change_latency_ns; 443 /* This forces a hard min on the DCFCLK we use 444 * for DML. Unlike the debug option for forcing 445 * DCFCLK, this override affects watermark calculations 446 */ 447 int min_dcfclk_mhz; 448 }; 449 450 struct dc_state; 451 struct resource_pool; 452 struct dce_hwseq; 453 struct gpu_info_soc_bounding_box_v1_0; 454 struct dc { 455 struct dc_versions versions; 456 struct dc_caps caps; 457 struct dc_cap_funcs cap_funcs; 458 struct dc_config config; 459 struct dc_debug_options debug; 460 struct dc_bounding_box_overrides bb_overrides; 461 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 462 struct dc_bug_wa work_arounds; 463 #endif 464 struct dc_context *ctx; 465 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 466 struct dc_phy_addr_space_config vm_pa_config; 467 #endif 468 469 uint8_t link_count; 470 struct dc_link *links[MAX_PIPES * 2]; 471 472 struct dc_state *current_state; 473 struct resource_pool *res_pool; 474 475 struct clk_mgr *clk_mgr; 476 477 /* Display Engine Clock levels */ 478 struct dm_pp_clock_levels sclk_lvls; 479 480 /* Inputs into BW and WM calculations. */ 481 struct bw_calcs_dceip *bw_dceip; 482 struct bw_calcs_vbios *bw_vbios; 483 #ifdef CONFIG_DRM_AMD_DC_DCN1_0 484 struct dcn_soc_bounding_box *dcn_soc; 485 struct dcn_ip_params *dcn_ip; 486 struct display_mode_lib dml; 487 #endif 488 489 /* HW functions */ 490 struct hw_sequencer_funcs hwss; 491 struct dce_hwseq *hwseq; 492 493 /* Require to optimize clocks and bandwidth for added/removed planes */ 494 bool optimized_required; 495 496 /* Require to maintain clocks and bandwidth for UEFI enabled HW */ 497 bool optimize_seamless_boot; 498 499 /* FBC compressor */ 500 struct compressor *fbc_compressor; 501 502 struct dc_debug_data debug_data; 503 504 const char *build_id; 505 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 506 struct vm_helper *vm_helper; 507 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box; 508 #endif 509 }; 510 511 enum frame_buffer_mode { 512 FRAME_BUFFER_MODE_LOCAL_ONLY = 0, 513 FRAME_BUFFER_MODE_ZFB_ONLY, 514 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL, 515 } ; 516 517 struct dchub_init_data { 518 int64_t zfb_phys_addr_base; 519 int64_t zfb_mc_base_addr; 520 uint64_t zfb_size_in_byte; 521 enum frame_buffer_mode fb_mode; 522 bool dchub_initialzied; 523 bool dchub_info_valid; 524 }; 525 526 struct dc_init_data { 527 struct hw_asic_id asic_id; 528 void *driver; /* ctx */ 529 struct cgs_device *cgs_device; 530 struct dc_bounding_box_overrides bb_overrides; 531 532 int num_virtual_links; 533 /* 534 * If 'vbios_override' not NULL, it will be called instead 535 * of the real VBIOS. Intended use is Diagnostics on FPGA. 536 */ 537 struct dc_bios *vbios_override; 538 enum dce_environment dce_environment; 539 540 struct dc_config flags; 541 uint32_t log_mask; 542 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 543 /** 544 * gpu_info FW provided soc bounding box struct or 0 if not 545 * available in FW 546 */ 547 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box; 548 #endif 549 }; 550 551 struct dc_callback_init { 552 uint8_t reserved; 553 }; 554 555 struct dc *dc_create(const struct dc_init_data *init_params); 556 int dc_get_vmid_use_vector(struct dc *dc); 557 #ifdef CONFIG_DRM_AMD_DC_DCN2_0 558 void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid); 559 /* Returns the number of vmids supported */ 560 int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config); 561 #endif 562 void dc_init_callbacks(struct dc *dc, 563 const struct dc_callback_init *init_params); 564 void dc_destroy(struct dc **dc); 565 566 /******************************************************************************* 567 * Surface Interfaces 568 ******************************************************************************/ 569 570 enum { 571 TRANSFER_FUNC_POINTS = 1025 572 }; 573 574 struct dc_hdr_static_metadata { 575 /* display chromaticities and white point in units of 0.00001 */ 576 unsigned int chromaticity_green_x; 577 unsigned int chromaticity_green_y; 578 unsigned int chromaticity_blue_x; 579 unsigned int chromaticity_blue_y; 580 unsigned int chromaticity_red_x; 581 unsigned int chromaticity_red_y; 582 unsigned int chromaticity_white_point_x; 583 unsigned int chromaticity_white_point_y; 584 585 uint32_t min_luminance; 586 uint32_t max_luminance; 587 uint32_t maximum_content_light_level; 588 uint32_t maximum_frame_average_light_level; 589 }; 590 591 enum dc_transfer_func_type { 592 TF_TYPE_PREDEFINED, 593 TF_TYPE_DISTRIBUTED_POINTS, 594 TF_TYPE_BYPASS, 595 TF_TYPE_HWPWL 596 }; 597 598 struct dc_transfer_func_distributed_points { 599 struct fixed31_32 red[TRANSFER_FUNC_POINTS]; 600 struct fixed31_32 green[TRANSFER_FUNC_POINTS]; 601 struct fixed31_32 blue[TRANSFER_FUNC_POINTS]; 602 603 uint16_t end_exponent; 604 uint16_t x_point_at_y1_red; 605 uint16_t x_point_at_y1_green; 606 uint16_t x_point_at_y1_blue; 607 }; 608 609 enum dc_transfer_func_predefined { 610 TRANSFER_FUNCTION_SRGB, 611 TRANSFER_FUNCTION_BT709, 612 TRANSFER_FUNCTION_PQ, 613 TRANSFER_FUNCTION_LINEAR, 614 TRANSFER_FUNCTION_UNITY, 615 TRANSFER_FUNCTION_HLG, 616 TRANSFER_FUNCTION_HLG12, 617 TRANSFER_FUNCTION_GAMMA22 618 }; 619 620 struct dc_transfer_func { 621 struct kref refcount; 622 enum dc_transfer_func_type type; 623 enum dc_transfer_func_predefined tf; 624 /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/ 625 uint32_t sdr_ref_white_level; 626 struct dc_context *ctx; 627 union { 628 struct pwl_params pwl; 629 struct dc_transfer_func_distributed_points tf_pts; 630 }; 631 }; 632 633 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 634 635 union dc_3dlut_state { 636 struct { 637 uint32_t initialized:1; /*if 3dlut is went through color module for initialization */ 638 uint32_t rmu_idx_valid:1; /*if mux settings are valid*/ 639 uint32_t rmu_mux_num:3; /*index of mux to use*/ 640 uint32_t mpc_rmu0_mux:4; /*select mpcc on mux, one of the following : mpcc0, mpcc1, mpcc2, mpcc3*/ 641 uint32_t mpc_rmu1_mux:4; 642 uint32_t mpc_rmu2_mux:4; 643 uint32_t reserved:15; 644 } bits; 645 uint32_t raw; 646 }; 647 648 649 struct dc_3dlut { 650 struct kref refcount; 651 struct tetrahedral_params lut_3d; 652 uint32_t hdr_multiplier; 653 bool initialized; /*remove after diag fix*/ 654 union dc_3dlut_state state; 655 struct dc_context *ctx; 656 }; 657 #endif 658 /* 659 * This structure is filled in by dc_surface_get_status and contains 660 * the last requested address and the currently active address so the called 661 * can determine if there are any outstanding flips 662 */ 663 struct dc_plane_status { 664 struct dc_plane_address requested_address; 665 struct dc_plane_address current_address; 666 bool is_flip_pending; 667 bool is_right_eye; 668 }; 669 670 union surface_update_flags { 671 672 struct { 673 uint32_t addr_update:1; 674 /* Medium updates */ 675 uint32_t dcc_change:1; 676 uint32_t color_space_change:1; 677 uint32_t horizontal_mirror_change:1; 678 uint32_t per_pixel_alpha_change:1; 679 uint32_t global_alpha_change:1; 680 uint32_t sdr_white_level:1; 681 uint32_t rotation_change:1; 682 uint32_t swizzle_change:1; 683 uint32_t scaling_change:1; 684 uint32_t position_change:1; 685 uint32_t in_transfer_func_change:1; 686 uint32_t input_csc_change:1; 687 uint32_t coeff_reduction_change:1; 688 uint32_t output_tf_change:1; 689 uint32_t pixel_format_change:1; 690 uint32_t plane_size_change:1; 691 692 /* Full updates */ 693 uint32_t new_plane:1; 694 uint32_t bpp_change:1; 695 uint32_t gamma_change:1; 696 uint32_t bandwidth_change:1; 697 uint32_t clock_change:1; 698 uint32_t stereo_format_change:1; 699 uint32_t full_update:1; 700 } bits; 701 702 uint32_t raw; 703 }; 704 705 struct dc_plane_state { 706 struct dc_plane_address address; 707 struct dc_plane_flip_time time; 708 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 709 bool triplebuffer_flips; 710 #endif 711 struct scaling_taps scaling_quality; 712 struct rect src_rect; 713 struct rect dst_rect; 714 struct rect clip_rect; 715 716 struct plane_size plane_size; 717 union dc_tiling_info tiling_info; 718 719 struct dc_plane_dcc_param dcc; 720 721 struct dc_gamma *gamma_correction; 722 struct dc_transfer_func *in_transfer_func; 723 struct dc_bias_and_scale *bias_and_scale; 724 struct dc_csc_transform input_csc_color_matrix; 725 struct fixed31_32 coeff_reduction_factor; 726 uint32_t sdr_white_level; 727 728 // TODO: No longer used, remove 729 struct dc_hdr_static_metadata hdr_static_ctx; 730 731 enum dc_color_space color_space; 732 733 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 734 struct dc_3dlut *lut3d_func; 735 struct dc_transfer_func *in_shaper_func; 736 struct dc_transfer_func *blend_tf; 737 #endif 738 739 enum surface_pixel_format format; 740 enum dc_rotation_angle rotation; 741 enum plane_stereo_format stereo_format; 742 743 bool is_tiling_rotated; 744 bool per_pixel_alpha; 745 bool global_alpha; 746 int global_alpha_value; 747 bool visible; 748 bool flip_immediate; 749 bool horizontal_mirror; 750 751 union surface_update_flags update_flags; 752 /* private to DC core */ 753 struct dc_plane_status status; 754 struct dc_context *ctx; 755 756 /* HACK: Workaround for forcing full reprogramming under some conditions */ 757 bool force_full_update; 758 759 /* private to dc_surface.c */ 760 enum dc_irq_source irq_source; 761 struct kref refcount; 762 }; 763 764 struct dc_plane_info { 765 struct plane_size plane_size; 766 union dc_tiling_info tiling_info; 767 struct dc_plane_dcc_param dcc; 768 enum surface_pixel_format format; 769 enum dc_rotation_angle rotation; 770 enum plane_stereo_format stereo_format; 771 enum dc_color_space color_space; 772 unsigned int sdr_white_level; 773 bool horizontal_mirror; 774 bool visible; 775 bool per_pixel_alpha; 776 bool global_alpha; 777 int global_alpha_value; 778 bool input_csc_enabled; 779 }; 780 781 struct dc_scaling_info { 782 struct rect src_rect; 783 struct rect dst_rect; 784 struct rect clip_rect; 785 struct scaling_taps scaling_quality; 786 }; 787 788 struct dc_surface_update { 789 struct dc_plane_state *surface; 790 791 /* isr safe update parameters. null means no updates */ 792 const struct dc_flip_addrs *flip_addr; 793 const struct dc_plane_info *plane_info; 794 const struct dc_scaling_info *scaling_info; 795 796 /* following updates require alloc/sleep/spin that is not isr safe, 797 * null means no updates 798 */ 799 const struct dc_gamma *gamma; 800 const struct dc_transfer_func *in_transfer_func; 801 802 const struct dc_csc_transform *input_csc_color_matrix; 803 const struct fixed31_32 *coeff_reduction_factor; 804 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 805 const struct dc_transfer_func *func_shaper; 806 const struct dc_3dlut *lut3d_func; 807 const struct dc_transfer_func *blend_tf; 808 #endif 809 }; 810 811 /* 812 * Create a new surface with default parameters; 813 */ 814 struct dc_plane_state *dc_create_plane_state(struct dc *dc); 815 const struct dc_plane_status *dc_plane_get_status( 816 const struct dc_plane_state *plane_state); 817 818 void dc_plane_state_retain(struct dc_plane_state *plane_state); 819 void dc_plane_state_release(struct dc_plane_state *plane_state); 820 821 void dc_gamma_retain(struct dc_gamma *dc_gamma); 822 void dc_gamma_release(struct dc_gamma **dc_gamma); 823 struct dc_gamma *dc_create_gamma(void); 824 825 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf); 826 void dc_transfer_func_release(struct dc_transfer_func *dc_tf); 827 struct dc_transfer_func *dc_create_transfer_func(void); 828 829 #if defined(CONFIG_DRM_AMD_DC_DCN2_0) 830 struct dc_3dlut *dc_create_3dlut_func(void); 831 void dc_3dlut_func_release(struct dc_3dlut *lut); 832 void dc_3dlut_func_retain(struct dc_3dlut *lut); 833 #endif 834 /* 835 * This structure holds a surface address. There could be multiple addresses 836 * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such 837 * as frame durations and DCC format can also be set. 838 */ 839 struct dc_flip_addrs { 840 struct dc_plane_address address; 841 unsigned int flip_timestamp_in_us; 842 bool flip_immediate; 843 /* TODO: add flip duration for FreeSync */ 844 }; 845 846 bool dc_post_update_surfaces_to_stream( 847 struct dc *dc); 848 849 #include "dc_stream.h" 850 851 /* 852 * Structure to store surface/stream associations for validation 853 */ 854 struct dc_validation_set { 855 struct dc_stream_state *stream; 856 struct dc_plane_state *plane_states[MAX_SURFACES]; 857 uint8_t plane_count; 858 }; 859 860 bool dc_validate_seamless_boot_timing(const struct dc *dc, 861 const struct dc_sink *sink, 862 struct dc_crtc_timing *crtc_timing); 863 864 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state); 865 866 void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info); 867 868 bool dc_set_generic_gpio_for_stereo(bool enable, 869 struct gpio_service *gpio_service); 870 871 /* 872 * fast_validate: we return after determining if we can support the new state, 873 * but before we populate the programming info 874 */ 875 enum dc_status dc_validate_global_state( 876 struct dc *dc, 877 struct dc_state *new_ctx, 878 bool fast_validate); 879 880 881 void dc_resource_state_construct( 882 const struct dc *dc, 883 struct dc_state *dst_ctx); 884 885 void dc_resource_state_copy_construct( 886 const struct dc_state *src_ctx, 887 struct dc_state *dst_ctx); 888 889 void dc_resource_state_copy_construct_current( 890 const struct dc *dc, 891 struct dc_state *dst_ctx); 892 893 void dc_resource_state_destruct(struct dc_state *context); 894 895 /* 896 * TODO update to make it about validation sets 897 * Set up streams and links associated to drive sinks 898 * The streams parameter is an absolute set of all active streams. 899 * 900 * After this call: 901 * Phy, Encoder, Timing Generator are programmed and enabled. 902 * New streams are enabled with blank stream; no memory read. 903 */ 904 bool dc_commit_state(struct dc *dc, struct dc_state *context); 905 906 907 struct dc_state *dc_create_state(struct dc *dc); 908 struct dc_state *dc_copy_state(struct dc_state *src_ctx); 909 void dc_retain_state(struct dc_state *context); 910 void dc_release_state(struct dc_state *context); 911 912 /******************************************************************************* 913 * Link Interfaces 914 ******************************************************************************/ 915 916 struct dpcd_caps { 917 union dpcd_rev dpcd_rev; 918 union max_lane_count max_ln_count; 919 union max_down_spread max_down_spread; 920 union dprx_feature dprx_feature; 921 922 /* valid only for eDP v1.4 or higher*/ 923 uint8_t edp_supported_link_rates_count; 924 enum dc_link_rate edp_supported_link_rates[8]; 925 926 /* dongle type (DP converter, CV smart dongle) */ 927 enum display_dongle_type dongle_type; 928 /* branch device or sink device */ 929 bool is_branch_dev; 930 /* Dongle's downstream count. */ 931 union sink_count sink_count; 932 /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER, 933 indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/ 934 struct dc_dongle_caps dongle_caps; 935 936 uint32_t sink_dev_id; 937 int8_t sink_dev_id_str[6]; 938 int8_t sink_hw_revision; 939 int8_t sink_fw_revision[2]; 940 941 uint32_t branch_dev_id; 942 int8_t branch_dev_name[6]; 943 int8_t branch_hw_revision; 944 int8_t branch_fw_revision[2]; 945 946 bool allow_invalid_MSA_timing_param; 947 bool panel_mode_edp; 948 bool dpcd_display_control_capable; 949 bool ext_receiver_cap_field_present; 950 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT 951 union dpcd_fec_capability fec_cap; 952 struct dpcd_dsc_capabilities dsc_caps; 953 #endif 954 }; 955 956 #include "dc_link.h" 957 958 /******************************************************************************* 959 * Sink Interfaces - A sink corresponds to a display output device 960 ******************************************************************************/ 961 962 struct dc_container_id { 963 // 128bit GUID in binary form 964 unsigned char guid[16]; 965 // 8 byte port ID -> ELD.PortID 966 unsigned int portId[2]; 967 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName 968 unsigned short manufacturerName; 969 // 2 byte product code -> ELD.ProductCode 970 unsigned short productCode; 971 }; 972 973 974 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT 975 struct dc_sink_dsc_caps { 976 // 'true' if these are virtual DPCD's DSC caps (immediately upstream of sink in MST topology), 977 // 'false' if they are sink's DSC caps 978 bool is_virtual_dpcd_dsc; 979 struct dsc_dec_dpcd_caps dsc_dec_caps; 980 }; 981 #endif 982 983 /* 984 * The sink structure contains EDID and other display device properties 985 */ 986 struct dc_sink { 987 enum signal_type sink_signal; 988 struct dc_edid dc_edid; /* raw edid */ 989 struct dc_edid_caps edid_caps; /* parse display caps */ 990 struct dc_container_id *dc_container_id; 991 uint32_t dongle_max_pix_clk; 992 void *priv; 993 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX]; 994 bool converter_disable_audio; 995 996 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT 997 struct dc_sink_dsc_caps sink_dsc_caps; 998 #endif 999 1000 /* private to DC core */ 1001 struct dc_link *link; 1002 struct dc_context *ctx; 1003 1004 uint32_t sink_id; 1005 1006 /* private to dc_sink.c */ 1007 // refcount must be the last member in dc_sink, since we want the 1008 // sink structure to be logically cloneable up to (but not including) 1009 // refcount 1010 struct kref refcount; 1011 }; 1012 1013 void dc_sink_retain(struct dc_sink *sink); 1014 void dc_sink_release(struct dc_sink *sink); 1015 1016 struct dc_sink_init_data { 1017 enum signal_type sink_signal; 1018 struct dc_link *link; 1019 uint32_t dongle_max_pix_clk; 1020 bool converter_disable_audio; 1021 }; 1022 1023 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params); 1024 1025 /* Newer interfaces */ 1026 struct dc_cursor { 1027 struct dc_plane_address address; 1028 struct dc_cursor_attributes attributes; 1029 }; 1030 1031 1032 /******************************************************************************* 1033 * Interrupt interfaces 1034 ******************************************************************************/ 1035 enum dc_irq_source dc_interrupt_to_irq_source( 1036 struct dc *dc, 1037 uint32_t src_id, 1038 uint32_t ext_id); 1039 bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable); 1040 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src); 1041 enum dc_irq_source dc_get_hpd_irq_source_at_index( 1042 struct dc *dc, uint32_t link_index); 1043 1044 /******************************************************************************* 1045 * Power Interfaces 1046 ******************************************************************************/ 1047 1048 void dc_set_power_state( 1049 struct dc *dc, 1050 enum dc_acpi_cm_power_state power_state); 1051 void dc_resume(struct dc *dc); 1052 unsigned int dc_get_current_backlight_pwm(struct dc *dc); 1053 unsigned int dc_get_target_backlight_pwm(struct dc *dc); 1054 1055 bool dc_is_dmcu_initialized(struct dc *dc); 1056 1057 enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping); 1058 void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg); 1059 #if defined(CONFIG_DRM_AMD_DC_DSC_SUPPORT) 1060 /******************************************************************************* 1061 * DSC Interfaces 1062 ******************************************************************************/ 1063 #include "dc_dsc.h" 1064 #endif 1065 #endif /* DC_INTERFACE_H_ */ 1066