2 * Copyright 2012-14 Advanced Micro Devices, Inc.
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:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
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.
26 #ifndef DC_INTERFACE_H_
27 #define DC_INTERFACE_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>
37 #include "inc/hw_sequencer.h"
38 #include "inc/compressor.h"
39 #include "dml/display_mode_lib.h"
41 #define DC_VER "3.1.07"
43 #define MAX_SURFACES 3
45 #define MAX_SINKS_PER_LINK 4
48 /*******************************************************************************
49 * Display Core Interfaces
50 ******************************************************************************/
55 uint32_t max_slave_planes;
57 uint32_t max_downscale_ratio;
58 uint32_t i2c_speed_in_khz;
59 unsigned int max_cursor_size;
60 unsigned int max_video_width;
65 struct dc_dcc_surface_param {
66 struct dc_size surface_size;
67 enum surface_pixel_format format;
68 enum swizzle_mode_values swizzle_mode;
69 enum dc_scan_direction scan;
72 struct dc_dcc_setting {
73 unsigned int max_compressed_blk_size;
74 unsigned int max_uncompressed_blk_size;
75 bool independent_64b_blks;
78 struct dc_surface_dcc_cap {
81 struct dc_dcc_setting rgb;
85 struct dc_dcc_setting luma;
86 struct dc_dcc_setting chroma;
91 bool const_color_support;
94 struct dc_static_screen_events {
100 /* Forward declaration*/
102 struct dc_plane_state;
105 struct dc_cap_funcs {
106 bool (*get_dcc_compression_cap)(const struct dc *dc,
107 const struct dc_dcc_surface_param *input,
108 struct dc_surface_dcc_cap *output);
111 struct dc_stream_state_funcs {
112 bool (*adjust_vmin_vmax)(struct dc *dc,
113 struct dc_stream_state **stream,
117 bool (*get_crtc_position)(struct dc *dc,
118 struct dc_stream_state **stream,
121 unsigned int *nom_v_pos);
123 bool (*set_gamut_remap)(struct dc *dc,
124 const struct dc_stream_state *stream);
126 bool (*program_csc_matrix)(struct dc *dc,
127 struct dc_stream_state *stream);
129 void (*set_static_screen_events)(struct dc *dc,
130 struct dc_stream_state **stream,
132 const struct dc_static_screen_events *events);
134 void (*set_dither_option)(struct dc_stream_state *stream,
135 enum dc_dither_option option);
137 void (*set_dpms)(struct dc *dc,
138 struct dc_stream_state *stream,
142 struct link_training_settings;
144 struct dc_link_funcs {
145 void (*set_drive_settings)(struct dc *dc,
146 struct link_training_settings *lt_settings,
147 const struct dc_link *link);
148 void (*perform_link_training)(struct dc *dc,
149 struct dc_link_settings *link_setting,
150 bool skip_video_pattern);
151 void (*set_preferred_link_settings)(struct dc *dc,
152 struct dc_link_settings *link_setting,
153 struct dc_link *link);
154 void (*enable_hpd)(const struct dc_link *link);
155 void (*disable_hpd)(const struct dc_link *link);
156 void (*set_test_pattern)(
157 struct dc_link *link,
158 enum dp_test_pattern test_pattern,
159 const struct link_training_settings *p_link_settings,
160 const unsigned char *p_custom_pattern,
161 unsigned int cust_pattern_size);
164 /* Structure to hold configuration flags set by dm at dc creation. */
167 bool disable_disp_pll_sharing;
173 DCC_HALF_REQ_DISALBE = 2,
176 enum pipe_split_policy {
177 MPC_SPLIT_DYNAMIC = 0,
179 MPC_SPLIT_AVOID_MULT_DISP = 2,
182 enum wm_report_mode {
183 WM_REPORT_DEFAULT = 0,
184 WM_REPORT_OVERRIDE = 1,
188 bool surface_visual_confirm;
194 bool validation_trace;
196 /* stutter efficiency related */
197 bool disable_stutter;
199 enum dcc_option disable_dcc;
200 enum pipe_split_policy pipe_split_policy;
201 bool force_single_disp_pipe_split;
202 bool voltage_align_fclk;
204 bool disable_dfs_bypass;
205 bool disable_dpp_power_gate;
206 bool disable_hubp_power_gate;
207 bool disable_pplib_wm_range;
208 enum wm_report_mode pplib_wm_report_mode;
209 unsigned int min_disp_clk_khz;
210 int sr_exit_time_dpm0_ns;
211 int sr_enter_plus_exit_time_dpm0_ns;
213 int sr_enter_plus_exit_time_ns;
214 int urgent_latency_ns;
215 int percent_of_ideal_drambw;
216 int dram_clock_change_latency_ns;
218 bool disable_pplib_clock_request;
219 bool disable_clock_gate;
222 bool force_abm_enable;
223 bool disable_hbup_pg;
225 bool disable_stereo_support;
227 bool performance_trace;
230 struct resource_pool;
234 struct dc_cap_funcs cap_funcs;
235 struct dc_stream_state_funcs stream_funcs;
236 struct dc_link_funcs link_funcs;
237 struct dc_config config;
238 struct dc_debug debug;
240 struct dc_context *ctx;
243 struct dc_link *links[MAX_PIPES * 2];
245 struct dc_state *current_state;
246 struct resource_pool *res_pool;
248 /* Display Engine Clock levels */
249 struct dm_pp_clock_levels sclk_lvls;
251 /* Inputs into BW and WM calculations. */
252 struct bw_calcs_dceip *bw_dceip;
253 struct bw_calcs_vbios *bw_vbios;
254 #ifdef CONFIG_DRM_AMD_DC_DCN1_0
255 struct dcn_soc_bounding_box *dcn_soc;
256 struct dcn_ip_params *dcn_ip;
257 struct display_mode_lib dml;
261 struct hw_sequencer_funcs hwss;
262 struct dce_hwseq *hwseq;
264 /* temp store of dm_pp_display_configuration
265 * to compare to see if display config changed
267 struct dm_pp_display_configuration prev_display_config;
270 #if defined(CONFIG_DRM_AMD_DC_FBC)
271 struct compressor *fbc_compressor;
275 enum frame_buffer_mode {
276 FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
277 FRAME_BUFFER_MODE_ZFB_ONLY,
278 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
281 struct dchub_init_data {
282 int64_t zfb_phys_addr_base;
283 int64_t zfb_mc_base_addr;
284 uint64_t zfb_size_in_byte;
285 enum frame_buffer_mode fb_mode;
286 bool dchub_initialzied;
287 bool dchub_info_valid;
290 struct dc_init_data {
291 struct hw_asic_id asic_id;
292 void *driver; /* ctx */
293 struct cgs_device *cgs_device;
295 int num_virtual_links;
297 * If 'vbios_override' not NULL, it will be called instead
298 * of the real VBIOS. Intended use is Diagnostics on FPGA.
300 struct dc_bios *vbios_override;
301 enum dce_environment dce_environment;
303 struct dc_config flags;
305 #if defined(CONFIG_DRM_AMD_DC_FBC)
306 uint64_t fbc_gpu_addr;
310 struct dc *dc_create(const struct dc_init_data *init_params);
312 void dc_destroy(struct dc **dc);
314 /*******************************************************************************
316 ******************************************************************************/
319 TRANSFER_FUNC_POINTS = 1025
322 // Moved here from color module for linux
323 enum color_transfer_func {
324 transfer_func_unknown,
327 transfer_func_pq2084,
328 transfer_func_pq2084_interim,
329 transfer_func_linear_0_1,
330 transfer_func_linear_0_125,
331 transfer_func_dolbyvision,
332 transfer_func_gamma_22,
333 transfer_func_gamma_26
336 enum color_color_space {
337 color_space_unsupported,
341 color_space_xv_ycc_bt601,
342 color_space_xv_ycc_bt709,
347 color_space_sc_rgb_ms_ref,
348 color_space_display_native,
349 color_space_app_ctrl,
350 color_space_dolby_vision,
351 color_space_custom_coordinates
354 struct dc_hdr_static_metadata {
355 /* display chromaticities and white point in units of 0.00001 */
356 unsigned int chromaticity_green_x;
357 unsigned int chromaticity_green_y;
358 unsigned int chromaticity_blue_x;
359 unsigned int chromaticity_blue_y;
360 unsigned int chromaticity_red_x;
361 unsigned int chromaticity_red_y;
362 unsigned int chromaticity_white_point_x;
363 unsigned int chromaticity_white_point_y;
365 uint32_t min_luminance;
366 uint32_t max_luminance;
367 uint32_t maximum_content_light_level;
368 uint32_t maximum_frame_average_light_level;
374 enum dc_transfer_func_type {
376 TF_TYPE_DISTRIBUTED_POINTS,
380 struct dc_transfer_func_distributed_points {
381 struct fixed31_32 red[TRANSFER_FUNC_POINTS];
382 struct fixed31_32 green[TRANSFER_FUNC_POINTS];
383 struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
385 uint16_t end_exponent;
386 uint16_t x_point_at_y1_red;
387 uint16_t x_point_at_y1_green;
388 uint16_t x_point_at_y1_blue;
391 enum dc_transfer_func_predefined {
392 TRANSFER_FUNCTION_SRGB,
393 TRANSFER_FUNCTION_BT709,
394 TRANSFER_FUNCTION_PQ,
395 TRANSFER_FUNCTION_LINEAR,
398 struct dc_transfer_func {
399 struct kref refcount;
400 struct dc_transfer_func_distributed_points tf_pts;
401 enum dc_transfer_func_type type;
402 enum dc_transfer_func_predefined tf;
403 struct dc_context *ctx;
407 * This structure is filled in by dc_surface_get_status and contains
408 * the last requested address and the currently active address so the called
409 * can determine if there are any outstanding flips
411 struct dc_plane_status {
412 struct dc_plane_address requested_address;
413 struct dc_plane_address current_address;
414 bool is_flip_pending;
418 struct dc_plane_state {
419 struct dc_plane_address address;
420 struct scaling_taps scaling_quality;
421 struct rect src_rect;
422 struct rect dst_rect;
423 struct rect clip_rect;
425 union plane_size plane_size;
426 union dc_tiling_info tiling_info;
428 struct dc_plane_dcc_param dcc;
429 struct dc_hdr_static_metadata hdr_static_ctx;
431 struct dc_gamma *gamma_correction;
432 struct dc_transfer_func *in_transfer_func;
434 // sourceContentAttribute cache
435 bool is_source_input_valid;
436 struct dc_hdr_static_metadata source_input_mastering_info;
437 enum color_color_space source_input_color_space;
438 enum color_transfer_func source_input_tf;
440 enum dc_color_space color_space;
441 enum surface_pixel_format format;
442 enum dc_rotation_angle rotation;
443 enum plane_stereo_format stereo_format;
445 bool per_pixel_alpha;
448 bool horizontal_mirror;
450 /* private to DC core */
451 struct dc_plane_status status;
452 struct dc_context *ctx;
454 /* private to dc_surface.c */
455 enum dc_irq_source irq_source;
456 struct kref refcount;
459 struct dc_plane_info {
460 union plane_size plane_size;
461 union dc_tiling_info tiling_info;
462 struct dc_plane_dcc_param dcc;
463 enum surface_pixel_format format;
464 enum dc_rotation_angle rotation;
465 enum plane_stereo_format stereo_format;
466 enum dc_color_space color_space; /*todo: wrong place, fits in scaling info*/
467 bool horizontal_mirror;
469 bool per_pixel_alpha;
472 struct dc_scaling_info {
473 struct rect src_rect;
474 struct rect dst_rect;
475 struct rect clip_rect;
476 struct scaling_taps scaling_quality;
479 struct dc_surface_update {
480 struct dc_plane_state *surface;
482 /* isr safe update parameters. null means no updates */
483 struct dc_flip_addrs *flip_addr;
484 struct dc_plane_info *plane_info;
485 struct dc_scaling_info *scaling_info;
486 /* following updates require alloc/sleep/spin that is not isr safe,
487 * null means no updates
489 /* gamma TO BE REMOVED */
490 struct dc_gamma *gamma;
491 struct dc_transfer_func *in_transfer_func;
492 struct dc_hdr_static_metadata *hdr_static_metadata;
496 * Create a new surface with default parameters;
498 struct dc_plane_state *dc_create_plane_state(struct dc *dc);
499 const struct dc_plane_status *dc_plane_get_status(
500 const struct dc_plane_state *plane_state);
502 void dc_plane_state_retain(struct dc_plane_state *plane_state);
503 void dc_plane_state_release(struct dc_plane_state *plane_state);
505 void dc_gamma_retain(struct dc_gamma *dc_gamma);
506 void dc_gamma_release(struct dc_gamma **dc_gamma);
507 struct dc_gamma *dc_create_gamma(void);
509 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf);
510 void dc_transfer_func_release(struct dc_transfer_func *dc_tf);
511 struct dc_transfer_func *dc_create_transfer_func(void);
514 * This structure holds a surface address. There could be multiple addresses
515 * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such
516 * as frame durations and DCC format can also be set.
518 struct dc_flip_addrs {
519 struct dc_plane_address address;
521 /* TODO: add flip duration for FreeSync */
524 bool dc_post_update_surfaces_to_stream(
527 /* Surface update type is used by dc_update_surfaces_and_stream
528 * The update type is determined at the very beginning of the function based
529 * on parameters passed in and decides how much programming (or updating) is
530 * going to be done during the call.
532 * UPDATE_TYPE_FAST is used for really fast updates that do not require much
533 * logical calculations or hardware register programming. This update MUST be
534 * ISR safe on windows. Currently fast update will only be used to flip surface
537 * UPDATE_TYPE_MED is used for slower updates which require significant hw
538 * re-programming however do not affect bandwidth consumption or clock
539 * requirements. At present, this is the level at which front end updates
540 * that do not require us to run bw_calcs happen. These are in/out transfer func
541 * updates, viewport offset changes, recout size changes and pixel depth changes.
542 * This update can be done at ISR, but we want to minimize how often this happens.
544 * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our
545 * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front
546 * end related. Any time viewport dimensions, recout dimensions, scaling ratios or
547 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do
548 * a full update. This cannot be done at ISR level and should be a rare event.
549 * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting
550 * underscan we don't expect to see this call at all.
553 enum surface_update_type {
554 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */
555 UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/
556 UPDATE_TYPE_FULL, /* may need to shuffle resources */
559 /*******************************************************************************
561 ******************************************************************************/
563 struct dc_stream_status {
564 int primary_otg_inst;
567 struct dc_plane_state *plane_states[MAX_SURFACE_NUM];
570 * link this stream passes through
572 struct dc_link *link;
575 struct dc_stream_state {
576 struct dc_sink *sink;
577 struct dc_crtc_timing timing;
579 struct rect src; /* composition area */
580 struct rect dst; /* stream addressable area */
582 struct audio_info audio_info;
584 struct freesync_context freesync_ctx;
586 struct dc_transfer_func *out_transfer_func;
587 struct colorspace_transform gamut_remap_matrix;
588 struct csc_transform csc_color_matrix;
590 enum signal_type output_signal;
592 enum dc_color_space output_color_space;
593 enum dc_dither_option dither_option;
595 enum view_3d_format view_format;
597 bool ignore_msa_timing_param;
598 /* TODO: custom INFO packets */
599 /* TODO: ABM info (DMCU) */
603 /* from core_stream struct */
604 struct dc_context *ctx;
606 /* used by DCP and FMT */
607 struct bit_depth_reduction_params bit_depth_params;
608 struct clamping_and_pixel_encoding_params clamping;
611 enum signal_type signal;
614 struct dc_stream_status status;
616 struct dc_cursor_attributes cursor_attributes;
618 /* from stream struct */
619 struct kref refcount;
622 struct dc_stream_update {
625 struct dc_transfer_func *out_transfer_func;
628 bool dc_is_stream_unchanged(
629 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
630 bool dc_is_stream_scaling_unchanged(
631 struct dc_stream_state *old_stream, struct dc_stream_state *stream);
634 * Set up surface attributes and associate to a stream
635 * The surfaces parameter is an absolute set of all surface active for the stream.
636 * If no surfaces are provided, the stream will be blanked; no memory read.
637 * Any flip related attribute changes must be done through this interface.
640 * Surfaces attributes are programmed and configured to be composed into stream.
641 * This does not trigger a flip. No surface address is programmed.
644 bool dc_commit_planes_to_stream(
646 struct dc_plane_state **plane_states,
647 uint8_t new_plane_count,
648 struct dc_stream_state *dc_stream,
649 struct dc_state *state);
651 void dc_commit_updates_for_stream(struct dc *dc,
652 struct dc_surface_update *srf_updates,
654 struct dc_stream_state *stream,
655 struct dc_stream_update *stream_update,
656 struct dc_plane_state **plane_states,
657 struct dc_state *state);
659 * Log the current stream state.
662 const struct dc_stream_state *stream,
663 struct dal_logger *dc_logger,
664 enum dc_log_type log_type);
666 uint8_t dc_get_current_stream_count(struct dc *dc);
667 struct dc_stream_state *dc_get_stream_at_index(struct dc *dc, uint8_t i);
670 * Return the current frame counter.
672 uint32_t dc_stream_get_vblank_counter(const struct dc_stream_state *stream);
674 /* TODO: Return parsed values rather than direct register read
675 * This has a dependency on the caller (amdgpu_get_crtc_scanoutpos)
676 * being refactored properly to be dce-specific
678 bool dc_stream_get_scanoutpos(const struct dc_stream_state *stream,
679 uint32_t *v_blank_start,
680 uint32_t *v_blank_end,
681 uint32_t *h_position,
682 uint32_t *v_position);
684 enum dc_status dc_add_stream_to_ctx(
686 struct dc_state *new_ctx,
687 struct dc_stream_state *stream);
689 enum dc_status dc_remove_stream_from_ctx(
691 struct dc_state *new_ctx,
692 struct dc_stream_state *stream);
695 bool dc_add_plane_to_context(
697 struct dc_stream_state *stream,
698 struct dc_plane_state *plane_state,
699 struct dc_state *context);
701 bool dc_remove_plane_from_context(
703 struct dc_stream_state *stream,
704 struct dc_plane_state *plane_state,
705 struct dc_state *context);
707 bool dc_rem_all_planes_for_stream(
709 struct dc_stream_state *stream,
710 struct dc_state *context);
712 bool dc_add_all_planes_for_stream(
714 struct dc_stream_state *stream,
715 struct dc_plane_state * const *plane_states,
717 struct dc_state *context);
720 * Structure to store surface/stream associations for validation
722 struct dc_validation_set {
723 struct dc_stream_state *stream;
724 struct dc_plane_state *plane_states[MAX_SURFACES];
728 enum dc_status dc_validate_stream(struct dc *dc, struct dc_stream_state *stream);
730 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
732 enum dc_status dc_validate_global_state(
734 struct dc_state *new_ctx);
737 * This function takes a stream and checks if it is guaranteed to be supported.
738 * Guaranteed means that MAX_COFUNC similar streams are supported.
741 * No hardware is programmed for call. Only validation is done.
745 void dc_resource_state_construct(
747 struct dc_state *dst_ctx);
749 void dc_resource_state_copy_construct(
750 const struct dc_state *src_ctx,
751 struct dc_state *dst_ctx);
753 void dc_resource_state_copy_construct_current(
755 struct dc_state *dst_ctx);
757 void dc_resource_state_destruct(struct dc_state *context);
760 * TODO update to make it about validation sets
761 * Set up streams and links associated to drive sinks
762 * The streams parameter is an absolute set of all active streams.
765 * Phy, Encoder, Timing Generator are programmed and enabled.
766 * New streams are enabled with blank stream; no memory read.
768 bool dc_commit_state(struct dc *dc, struct dc_state *context);
771 * Set up streams and links associated to drive sinks
772 * The streams parameter is an absolute set of all active streams.
775 * Phy, Encoder, Timing Generator are programmed and enabled.
776 * New streams are enabled with blank stream; no memory read.
779 * Enable stereo when commit_streams is not required,
780 * for example, frame alternate.
782 bool dc_enable_stereo(
784 struct dc_state *context,
785 struct dc_stream_state *streams[],
786 uint8_t stream_count);
789 * Create a new default stream for the requested sink
791 struct dc_stream_state *dc_create_stream_for_sink(struct dc_sink *dc_sink);
793 void dc_stream_retain(struct dc_stream_state *dc_stream);
794 void dc_stream_release(struct dc_stream_state *dc_stream);
796 struct dc_stream_status *dc_stream_get_status(
797 struct dc_stream_state *dc_stream);
799 enum surface_update_type dc_check_update_surfaces_for_stream(
801 struct dc_surface_update *updates,
803 struct dc_stream_update *stream_update,
804 const struct dc_stream_status *stream_status);
807 struct dc_state *dc_create_state(void);
808 void dc_retain_state(struct dc_state *context);
809 void dc_release_state(struct dc_state *context);
811 /*******************************************************************************
813 ******************************************************************************/
816 union dpcd_rev dpcd_rev;
817 union max_lane_count max_ln_count;
818 union max_down_spread max_down_spread;
820 /* dongle type (DP converter, CV smart dongle) */
821 enum display_dongle_type dongle_type;
822 /* Dongle's downstream count. */
823 union sink_count sink_count;
824 /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
825 indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
826 struct dc_dongle_caps dongle_caps;
828 uint32_t sink_dev_id;
829 uint32_t branch_dev_id;
830 int8_t branch_dev_name[6];
831 int8_t branch_hw_revision;
833 bool allow_invalid_MSA_timing_param;
835 bool dpcd_display_control_capable;
838 struct dc_link_status {
839 struct dpcd_caps *dpcd_caps;
842 /* DP MST stream allocation (payload bandwidth number) */
843 struct link_mst_stream_allocation {
845 const struct stream_encoder *stream_enc;
846 /* associate DRM payload table with DC stream encoder */
848 /* number of slots required for the DP stream in transport packet */
852 /* DP MST stream allocation table */
853 struct link_mst_stream_allocation_table {
854 /* number of DP video streams */
856 /* array of stream allocations */
857 struct link_mst_stream_allocation stream_allocations[MAX_CONTROLLER_NUM];
861 * A link contains one or more sinks and their connected status.
862 * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported.
865 struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK];
866 unsigned int sink_count;
867 struct dc_sink *local_sink;
868 unsigned int link_index;
869 enum dc_connection_type type;
870 enum signal_type connector_signal;
871 enum dc_irq_source irq_source_hpd;
872 enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */
873 /* caps is the same as reported_link_cap. link_traing use
874 * reported_link_cap. Will clean up. TODO
876 struct dc_link_settings reported_link_cap;
877 struct dc_link_settings verified_link_cap;
878 struct dc_link_settings cur_link_settings;
879 struct dc_lane_settings cur_lane_setting;
880 struct dc_link_settings preferred_link_setting;
886 uint8_t link_enc_hw_inst;
888 bool test_pattern_enabled;
889 union compliance_test_state compliance_test_state;
893 struct ddc_service *ddc;
897 /* Private to DC core */
901 struct dc_context *ctx;
903 struct link_encoder *link_enc;
904 struct graphics_object_id link_id;
905 union ddi_channel_mapping ddi_channel_mapping;
906 struct connector_device_tag_info device_tag;
907 struct dpcd_caps dpcd_caps;
908 unsigned short chip_caps;
909 unsigned int dpcd_sink_count;
910 enum edp_revision edp_revision;
913 /* MST record stream using this link */
915 bool dp_keep_receiver_powered;
917 struct link_mst_stream_allocation_table mst_stream_alloc_table;
919 struct dc_link_status link_status;
923 const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link);
926 * Return an enumerated dc_link. dc_link order is constant and determined at
927 * boot time. They cannot be created or destroyed.
928 * Use dc_get_caps() to get number of links.
930 static inline struct dc_link *dc_get_link_at_index(struct dc *dc, uint32_t link_index)
932 return dc->links[link_index];
935 /* Set backlight level of an embedded panel (eDP, LVDS). */
936 bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level,
937 uint32_t frame_ramp, const struct dc_stream_state *stream);
939 bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable, bool wait);
941 bool dc_link_get_psr_state(const struct dc_link *dc_link, uint32_t *psr_state);
943 bool dc_link_setup_psr(struct dc_link *dc_link,
944 const struct dc_stream_state *stream, struct psr_config *psr_config,
945 struct psr_context *psr_context);
947 /* Request DC to detect if there is a Panel connected.
948 * boot - If this call is during initial boot.
949 * Return false for any type of detection failure or MST detection
950 * true otherwise. True meaning further action is required (status update
951 * and OS notification).
953 enum dc_detect_reason {
959 bool dc_link_detect(struct dc_link *dc_link, enum dc_detect_reason reason);
961 /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt).
963 * true - Downstream port status changed. DM should call DC to do the
965 * false - no change in Downstream port status. No further action required
967 bool dc_link_handle_hpd_rx_irq(struct dc_link *dc_link,
968 union hpd_irq_data *hpd_irq_dpcd_data);
970 struct dc_sink_init_data;
972 struct dc_sink *dc_link_add_remote_sink(
973 struct dc_link *dc_link,
976 struct dc_sink_init_data *init_data);
978 void dc_link_remove_remote_sink(
979 struct dc_link *link,
980 struct dc_sink *sink);
982 /* Used by diagnostics for virtual link at the moment */
984 void dc_link_dp_set_drive_settings(
985 struct dc_link *link,
986 struct link_training_settings *lt_settings);
988 enum link_training_result dc_link_dp_perform_link_training(
989 struct dc_link *link,
990 const struct dc_link_settings *link_setting,
991 bool skip_video_pattern);
993 void dc_link_dp_enable_hpd(const struct dc_link *link);
995 void dc_link_dp_disable_hpd(const struct dc_link *link);
997 bool dc_link_dp_set_test_pattern(
998 struct dc_link *link,
999 enum dp_test_pattern test_pattern,
1000 const struct link_training_settings *p_link_settings,
1001 const unsigned char *p_custom_pattern,
1002 unsigned int cust_pattern_size);
1004 /*******************************************************************************
1005 * Sink Interfaces - A sink corresponds to a display output device
1006 ******************************************************************************/
1008 struct dc_container_id {
1009 // 128bit GUID in binary form
1010 unsigned char guid[16];
1011 // 8 byte port ID -> ELD.PortID
1012 unsigned int portId[2];
1013 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
1014 unsigned short manufacturerName;
1015 // 2 byte product code -> ELD.ProductCode
1016 unsigned short productCode;
1022 * The sink structure contains EDID and other display device properties
1025 enum signal_type sink_signal;
1026 struct dc_edid dc_edid; /* raw edid */
1027 struct dc_edid_caps edid_caps; /* parse display caps */
1028 struct dc_container_id *dc_container_id;
1029 uint32_t dongle_max_pix_clk;
1031 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
1032 bool converter_disable_audio;
1034 /* private to DC core */
1035 struct dc_link *link;
1036 struct dc_context *ctx;
1038 /* private to dc_sink.c */
1039 struct kref refcount;
1042 void dc_sink_retain(struct dc_sink *sink);
1043 void dc_sink_release(struct dc_sink *sink);
1045 struct dc_sink_init_data {
1046 enum signal_type sink_signal;
1047 struct dc_link *link;
1048 uint32_t dongle_max_pix_clk;
1049 bool converter_disable_audio;
1052 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
1054 /*******************************************************************************
1055 * Cursor interfaces - To manages the cursor within a stream
1056 ******************************************************************************/
1057 /* TODO: Deprecated once we switch to dc_set_cursor_position */
1058 bool dc_stream_set_cursor_attributes(
1059 struct dc_stream_state *stream,
1060 const struct dc_cursor_attributes *attributes);
1062 bool dc_stream_set_cursor_position(
1063 struct dc_stream_state *stream,
1064 const struct dc_cursor_position *position);
1066 /* Newer interfaces */
1068 struct dc_plane_address address;
1069 struct dc_cursor_attributes attributes;
1072 /*******************************************************************************
1073 * Interrupt interfaces
1074 ******************************************************************************/
1075 enum dc_irq_source dc_interrupt_to_irq_source(
1079 void dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
1080 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
1081 enum dc_irq_source dc_get_hpd_irq_source_at_index(
1082 struct dc *dc, uint32_t link_index);
1084 /*******************************************************************************
1086 ******************************************************************************/
1088 void dc_set_power_state(
1090 enum dc_acpi_cm_power_state power_state);
1091 void dc_resume(struct dc *dc);
1094 * DPCD access interfaces
1099 uint32_t link_index,
1100 struct i2c_command *cmd);
1103 #endif /* DC_INTERFACE_H_ */