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 "inc/hw/dmcu.h"
40 #include "dml/display_mode_lib.h"
42 #define DC_VER "3.2.48"
44 #define MAX_SURFACES 3
47 #define MAX_SINKS_PER_LINK 4
49 /*******************************************************************************
50 * Display Core Interfaces
51 ******************************************************************************/
54 struct dmcu_version dmcu_version;
58 DC_PLANE_TYPE_INVALID,
59 DC_PLANE_TYPE_DCE_RGB,
60 DC_PLANE_TYPE_DCE_UNDERLAY,
61 DC_PLANE_TYPE_DCN_UNIVERSAL,
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;
70 uint32_t argb8888 : 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
84 // max downscale factor x1000
85 // downscale factors are always <= 1
86 // for example, 8K -> 1080p is 0.25, or 250 raw value
91 } max_downscale_factor;
98 uint32_t max_slave_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;
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
117 struct dc_plane_cap planes[MAX_PLANES];
120 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
122 bool no_connect_phy_config;
124 bool skip_clock_update;
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;
135 struct dc_dcc_setting {
136 unsigned int max_compressed_blk_size;
137 unsigned int max_uncompressed_blk_size;
138 bool independent_64b_blks;
141 struct dc_surface_dcc_cap {
144 struct dc_dcc_setting rgb;
148 struct dc_dcc_setting luma;
149 struct dc_dcc_setting chroma;
154 bool const_color_support;
157 struct dc_static_screen_events {
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.
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
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.
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.
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 */
197 /* Forward declaration*/
199 struct dc_plane_state;
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);
209 struct link_training_settings;
212 /* Structure to hold configuration flags set by dm at dc creation. */
215 bool disable_disp_pll_sharing;
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;
223 bool multi_mon_pp_mclk_switch;
226 enum visual_confirm {
227 VISUAL_CONFIRM_DISABLE = 0,
228 VISUAL_CONFIRM_SURFACE = 1,
229 VISUAL_CONFIRM_HDR = 2,
235 DCC_HALF_REQ_DISALBE = 2,
238 enum pipe_split_policy {
239 MPC_SPLIT_DYNAMIC = 0,
241 MPC_SPLIT_AVOID_MULT_DISP = 2,
244 enum wm_report_mode {
245 WM_REPORT_DEFAULT = 0,
246 WM_REPORT_OVERRIDE = 1,
250 * For any clocks that may differ per pipe
251 * only the max is stored in this structure
255 int max_supported_dppclk_khz;
256 int max_supported_dispclk_khz;
258 int bw_dppclk_khz; /*a copy of dppclk_khz*/
262 int dcfclk_deep_sleep_khz;
266 bool p_state_change_support;
269 * Elements below are not compared for the purposes of
270 * optimization required
272 bool prev_p_state_change_support;
275 struct dc_bw_validation_profile {
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;
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;
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
296 #define BW_VAL_TRACE_COUNT() \
297 if (dc->debug.bw_val_profile.enable) \
298 dc->debug.bw_val_profile.total_count++
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++; \
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)
311 #define BW_VAL_TRACE_END_WATERMARKS() \
312 if (dc->debug.bw_val_profile.enable) \
313 watermark_tick = dm_get_timestamp(dc->ctx)
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; \
326 struct dc_debug_options {
327 enum visual_confirm visual_confirm;
333 bool validation_trace;
334 bool bandwidth_calcs_trace;
335 int max_downscale_src_width;
337 /* stutter efficiency related */
338 bool disable_stutter;
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;
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;
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;
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;
365 bool disable_pplib_clock_request;
366 bool disable_clock_gate;
369 bool force_abm_enable;
370 bool disable_stereo_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;
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
389 #ifdef CONFIG_DRM_AMD_DC_DCN2_1
390 bool disable_48mhz_pwrdwn;
392 /* This forces a hard min on the DCFCLK requested to SMU/PP
393 * watermarks are not affected.
395 unsigned int force_min_dcfclk_mhz;
396 bool disable_timing_sync;
397 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
400 int force_clock_mode;/*every mode change.*/
403 struct dc_debug_data {
404 uint32_t ltFailCount;
405 uint32_t i2cErrorCount;
406 uint32_t auxErrorCount;
409 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
410 struct dc_phy_addr_space_config {
423 uint64_t page_table_start_addr;
424 uint64_t page_table_end_addr;
425 uint64_t page_table_base_addr;
429 uint64_t page_table_default_page_addr;
432 struct dc_virtual_addr_space_config {
433 uint64_t page_table_base_addr;
434 uint64_t page_table_start_addr;
435 uint64_t page_table_end_addr;
436 uint32_t page_table_block_size_in_bytes;
437 uint8_t page_table_depth; // 1 = 1 level, 2 = 2 level, etc. 0 = invalid
441 struct dc_bounding_box_overrides {
443 int sr_enter_plus_exit_time_ns;
444 int urgent_latency_ns;
445 int percent_of_ideal_drambw;
446 int dram_clock_change_latency_ns;
447 /* This forces a hard min on the DCFCLK we use
448 * for DML. Unlike the debug option for forcing
449 * DCFCLK, this override affects watermark calculations
455 struct resource_pool;
457 struct gpu_info_soc_bounding_box_v1_0;
459 struct dc_versions versions;
461 struct dc_cap_funcs cap_funcs;
462 struct dc_config config;
463 struct dc_debug_options debug;
464 struct dc_bounding_box_overrides bb_overrides;
465 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
466 struct dc_bug_wa work_arounds;
468 struct dc_context *ctx;
469 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
470 struct dc_phy_addr_space_config vm_pa_config;
474 struct dc_link *links[MAX_PIPES * 2];
476 struct dc_state *current_state;
477 struct resource_pool *res_pool;
479 struct clk_mgr *clk_mgr;
481 /* Display Engine Clock levels */
482 struct dm_pp_clock_levels sclk_lvls;
484 /* Inputs into BW and WM calculations. */
485 struct bw_calcs_dceip *bw_dceip;
486 struct bw_calcs_vbios *bw_vbios;
487 #ifdef CONFIG_DRM_AMD_DC_DCN1_0
488 struct dcn_soc_bounding_box *dcn_soc;
489 struct dcn_ip_params *dcn_ip;
490 struct display_mode_lib dml;
494 struct hw_sequencer_funcs hwss;
495 struct dce_hwseq *hwseq;
497 /* Require to optimize clocks and bandwidth for added/removed planes */
498 bool optimized_required;
500 /* Require to maintain clocks and bandwidth for UEFI enabled HW */
501 bool optimize_seamless_boot;
504 struct compressor *fbc_compressor;
506 struct dc_debug_data debug_data;
508 const char *build_id;
509 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
510 struct vm_helper *vm_helper;
511 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
515 enum frame_buffer_mode {
516 FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
517 FRAME_BUFFER_MODE_ZFB_ONLY,
518 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
521 struct dchub_init_data {
522 int64_t zfb_phys_addr_base;
523 int64_t zfb_mc_base_addr;
524 uint64_t zfb_size_in_byte;
525 enum frame_buffer_mode fb_mode;
526 bool dchub_initialzied;
527 bool dchub_info_valid;
530 struct dc_init_data {
531 struct hw_asic_id asic_id;
532 void *driver; /* ctx */
533 struct cgs_device *cgs_device;
534 struct dc_bounding_box_overrides bb_overrides;
536 int num_virtual_links;
538 * If 'vbios_override' not NULL, it will be called instead
539 * of the real VBIOS. Intended use is Diagnostics on FPGA.
541 struct dc_bios *vbios_override;
542 enum dce_environment dce_environment;
544 struct dc_config flags;
546 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
548 * gpu_info FW provided soc bounding box struct or 0 if not
551 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
555 struct dc_callback_init {
559 struct dc *dc_create(const struct dc_init_data *init_params);
560 int dc_get_vmid_use_vector(struct dc *dc);
561 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
562 void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid);
563 /* Returns the number of vmids supported */
564 int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config);
566 void dc_init_callbacks(struct dc *dc,
567 const struct dc_callback_init *init_params);
568 void dc_destroy(struct dc **dc);
570 /*******************************************************************************
572 ******************************************************************************/
575 TRANSFER_FUNC_POINTS = 1025
578 struct dc_hdr_static_metadata {
579 /* display chromaticities and white point in units of 0.00001 */
580 unsigned int chromaticity_green_x;
581 unsigned int chromaticity_green_y;
582 unsigned int chromaticity_blue_x;
583 unsigned int chromaticity_blue_y;
584 unsigned int chromaticity_red_x;
585 unsigned int chromaticity_red_y;
586 unsigned int chromaticity_white_point_x;
587 unsigned int chromaticity_white_point_y;
589 uint32_t min_luminance;
590 uint32_t max_luminance;
591 uint32_t maximum_content_light_level;
592 uint32_t maximum_frame_average_light_level;
595 enum dc_transfer_func_type {
597 TF_TYPE_DISTRIBUTED_POINTS,
602 struct dc_transfer_func_distributed_points {
603 struct fixed31_32 red[TRANSFER_FUNC_POINTS];
604 struct fixed31_32 green[TRANSFER_FUNC_POINTS];
605 struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
607 uint16_t end_exponent;
608 uint16_t x_point_at_y1_red;
609 uint16_t x_point_at_y1_green;
610 uint16_t x_point_at_y1_blue;
613 enum dc_transfer_func_predefined {
614 TRANSFER_FUNCTION_SRGB,
615 TRANSFER_FUNCTION_BT709,
616 TRANSFER_FUNCTION_PQ,
617 TRANSFER_FUNCTION_LINEAR,
618 TRANSFER_FUNCTION_UNITY,
619 TRANSFER_FUNCTION_HLG,
620 TRANSFER_FUNCTION_HLG12,
621 TRANSFER_FUNCTION_GAMMA22,
622 TRANSFER_FUNCTION_GAMMA24,
623 TRANSFER_FUNCTION_GAMMA26
627 struct dc_transfer_func {
628 struct kref refcount;
629 enum dc_transfer_func_type type;
630 enum dc_transfer_func_predefined tf;
631 /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
632 uint32_t sdr_ref_white_level;
633 struct dc_context *ctx;
635 struct pwl_params pwl;
636 struct dc_transfer_func_distributed_points tf_pts;
640 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
642 union dc_3dlut_state {
644 uint32_t initialized:1; /*if 3dlut is went through color module for initialization */
645 uint32_t rmu_idx_valid:1; /*if mux settings are valid*/
646 uint32_t rmu_mux_num:3; /*index of mux to use*/
647 uint32_t mpc_rmu0_mux:4; /*select mpcc on mux, one of the following : mpcc0, mpcc1, mpcc2, mpcc3*/
648 uint32_t mpc_rmu1_mux:4;
649 uint32_t mpc_rmu2_mux:4;
650 uint32_t reserved:15;
657 struct kref refcount;
658 struct tetrahedral_params lut_3d;
659 uint32_t hdr_multiplier;
660 bool initialized; /*remove after diag fix*/
661 union dc_3dlut_state state;
662 struct dc_context *ctx;
666 * This structure is filled in by dc_surface_get_status and contains
667 * the last requested address and the currently active address so the called
668 * can determine if there are any outstanding flips
670 struct dc_plane_status {
671 struct dc_plane_address requested_address;
672 struct dc_plane_address current_address;
673 bool is_flip_pending;
677 union surface_update_flags {
680 uint32_t addr_update:1;
682 uint32_t dcc_change:1;
683 uint32_t color_space_change:1;
684 uint32_t horizontal_mirror_change:1;
685 uint32_t per_pixel_alpha_change:1;
686 uint32_t global_alpha_change:1;
687 uint32_t sdr_white_level:1;
688 uint32_t rotation_change:1;
689 uint32_t swizzle_change:1;
690 uint32_t scaling_change:1;
691 uint32_t position_change:1;
692 uint32_t in_transfer_func_change:1;
693 uint32_t input_csc_change:1;
694 uint32_t coeff_reduction_change:1;
695 uint32_t output_tf_change:1;
696 uint32_t pixel_format_change:1;
697 uint32_t plane_size_change:1;
700 uint32_t new_plane:1;
701 uint32_t bpp_change:1;
702 uint32_t gamma_change:1;
703 uint32_t bandwidth_change:1;
704 uint32_t clock_change:1;
705 uint32_t stereo_format_change:1;
706 uint32_t full_update:1;
712 struct dc_plane_state {
713 struct dc_plane_address address;
714 struct dc_plane_flip_time time;
715 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
716 bool triplebuffer_flips;
718 struct scaling_taps scaling_quality;
719 struct rect src_rect;
720 struct rect dst_rect;
721 struct rect clip_rect;
723 struct plane_size plane_size;
724 union dc_tiling_info tiling_info;
726 struct dc_plane_dcc_param dcc;
728 struct dc_gamma *gamma_correction;
729 struct dc_transfer_func *in_transfer_func;
730 struct dc_bias_and_scale *bias_and_scale;
731 struct dc_csc_transform input_csc_color_matrix;
732 struct fixed31_32 coeff_reduction_factor;
733 uint32_t sdr_white_level;
735 // TODO: No longer used, remove
736 struct dc_hdr_static_metadata hdr_static_ctx;
738 enum dc_color_space color_space;
740 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
741 struct dc_3dlut *lut3d_func;
742 struct dc_transfer_func *in_shaper_func;
743 struct dc_transfer_func *blend_tf;
746 enum surface_pixel_format format;
747 enum dc_rotation_angle rotation;
748 enum plane_stereo_format stereo_format;
750 bool is_tiling_rotated;
751 bool per_pixel_alpha;
753 int global_alpha_value;
756 bool horizontal_mirror;
759 union surface_update_flags update_flags;
760 /* private to DC core */
761 struct dc_plane_status status;
762 struct dc_context *ctx;
764 /* HACK: Workaround for forcing full reprogramming under some conditions */
765 bool force_full_update;
767 /* private to dc_surface.c */
768 enum dc_irq_source irq_source;
769 struct kref refcount;
772 struct dc_plane_info {
773 struct plane_size plane_size;
774 union dc_tiling_info tiling_info;
775 struct dc_plane_dcc_param dcc;
776 enum surface_pixel_format format;
777 enum dc_rotation_angle rotation;
778 enum plane_stereo_format stereo_format;
779 enum dc_color_space color_space;
780 unsigned int sdr_white_level;
781 bool horizontal_mirror;
783 bool per_pixel_alpha;
785 int global_alpha_value;
786 bool input_csc_enabled;
790 struct dc_scaling_info {
791 struct rect src_rect;
792 struct rect dst_rect;
793 struct rect clip_rect;
794 struct scaling_taps scaling_quality;
797 struct dc_surface_update {
798 struct dc_plane_state *surface;
800 /* isr safe update parameters. null means no updates */
801 const struct dc_flip_addrs *flip_addr;
802 const struct dc_plane_info *plane_info;
803 const struct dc_scaling_info *scaling_info;
805 /* following updates require alloc/sleep/spin that is not isr safe,
806 * null means no updates
808 const struct dc_gamma *gamma;
809 const struct dc_transfer_func *in_transfer_func;
811 const struct dc_csc_transform *input_csc_color_matrix;
812 const struct fixed31_32 *coeff_reduction_factor;
813 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
814 const struct dc_transfer_func *func_shaper;
815 const struct dc_3dlut *lut3d_func;
816 const struct dc_transfer_func *blend_tf;
821 * Create a new surface with default parameters;
823 struct dc_plane_state *dc_create_plane_state(struct dc *dc);
824 const struct dc_plane_status *dc_plane_get_status(
825 const struct dc_plane_state *plane_state);
827 void dc_plane_state_retain(struct dc_plane_state *plane_state);
828 void dc_plane_state_release(struct dc_plane_state *plane_state);
830 void dc_gamma_retain(struct dc_gamma *dc_gamma);
831 void dc_gamma_release(struct dc_gamma **dc_gamma);
832 struct dc_gamma *dc_create_gamma(void);
834 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf);
835 void dc_transfer_func_release(struct dc_transfer_func *dc_tf);
836 struct dc_transfer_func *dc_create_transfer_func(void);
838 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
839 struct dc_3dlut *dc_create_3dlut_func(void);
840 void dc_3dlut_func_release(struct dc_3dlut *lut);
841 void dc_3dlut_func_retain(struct dc_3dlut *lut);
844 * This structure holds a surface address. There could be multiple addresses
845 * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such
846 * as frame durations and DCC format can also be set.
848 struct dc_flip_addrs {
849 struct dc_plane_address address;
850 unsigned int flip_timestamp_in_us;
852 /* TODO: add flip duration for FreeSync */
855 bool dc_post_update_surfaces_to_stream(
858 #include "dc_stream.h"
861 * Structure to store surface/stream associations for validation
863 struct dc_validation_set {
864 struct dc_stream_state *stream;
865 struct dc_plane_state *plane_states[MAX_SURFACES];
869 bool dc_validate_seamless_boot_timing(const struct dc *dc,
870 const struct dc_sink *sink,
871 struct dc_crtc_timing *crtc_timing);
873 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
875 void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info);
877 bool dc_set_generic_gpio_for_stereo(bool enable,
878 struct gpio_service *gpio_service);
881 * fast_validate: we return after determining if we can support the new state,
882 * but before we populate the programming info
884 enum dc_status dc_validate_global_state(
886 struct dc_state *new_ctx,
890 void dc_resource_state_construct(
892 struct dc_state *dst_ctx);
894 void dc_resource_state_copy_construct(
895 const struct dc_state *src_ctx,
896 struct dc_state *dst_ctx);
898 void dc_resource_state_copy_construct_current(
900 struct dc_state *dst_ctx);
902 void dc_resource_state_destruct(struct dc_state *context);
905 * TODO update to make it about validation sets
906 * Set up streams and links associated to drive sinks
907 * The streams parameter is an absolute set of all active streams.
910 * Phy, Encoder, Timing Generator are programmed and enabled.
911 * New streams are enabled with blank stream; no memory read.
913 bool dc_commit_state(struct dc *dc, struct dc_state *context);
916 struct dc_state *dc_create_state(struct dc *dc);
917 struct dc_state *dc_copy_state(struct dc_state *src_ctx);
918 void dc_retain_state(struct dc_state *context);
919 void dc_release_state(struct dc_state *context);
921 /*******************************************************************************
923 ******************************************************************************/
926 union dpcd_rev dpcd_rev;
927 union max_lane_count max_ln_count;
928 union max_down_spread max_down_spread;
929 union dprx_feature dprx_feature;
931 /* valid only for eDP v1.4 or higher*/
932 uint8_t edp_supported_link_rates_count;
933 enum dc_link_rate edp_supported_link_rates[8];
935 /* dongle type (DP converter, CV smart dongle) */
936 enum display_dongle_type dongle_type;
937 /* branch device or sink device */
939 /* Dongle's downstream count. */
940 union sink_count sink_count;
941 /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
942 indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
943 struct dc_dongle_caps dongle_caps;
945 uint32_t sink_dev_id;
946 int8_t sink_dev_id_str[6];
947 int8_t sink_hw_revision;
948 int8_t sink_fw_revision[2];
950 uint32_t branch_dev_id;
951 int8_t branch_dev_name[6];
952 int8_t branch_hw_revision;
953 int8_t branch_fw_revision[2];
955 bool allow_invalid_MSA_timing_param;
957 bool dpcd_display_control_capable;
958 bool ext_receiver_cap_field_present;
959 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
960 union dpcd_fec_capability fec_cap;
961 struct dpcd_dsc_capabilities dsc_caps;
967 /*******************************************************************************
968 * Sink Interfaces - A sink corresponds to a display output device
969 ******************************************************************************/
971 struct dc_container_id {
972 // 128bit GUID in binary form
973 unsigned char guid[16];
974 // 8 byte port ID -> ELD.PortID
975 unsigned int portId[2];
976 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
977 unsigned short manufacturerName;
978 // 2 byte product code -> ELD.ProductCode
979 unsigned short productCode;
983 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
984 struct dc_sink_dsc_caps {
985 // 'true' if these are virtual DPCD's DSC caps (immediately upstream of sink in MST topology),
986 // 'false' if they are sink's DSC caps
987 bool is_virtual_dpcd_dsc;
988 struct dsc_dec_dpcd_caps dsc_dec_caps;
993 * The sink structure contains EDID and other display device properties
996 enum signal_type sink_signal;
997 struct dc_edid dc_edid; /* raw edid */
998 struct dc_edid_caps edid_caps; /* parse display caps */
999 struct dc_container_id *dc_container_id;
1000 uint32_t dongle_max_pix_clk;
1002 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
1003 bool converter_disable_audio;
1005 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1006 struct dc_sink_dsc_caps sink_dsc_caps;
1009 /* private to DC core */
1010 struct dc_link *link;
1011 struct dc_context *ctx;
1015 /* private to dc_sink.c */
1016 // refcount must be the last member in dc_sink, since we want the
1017 // sink structure to be logically cloneable up to (but not including)
1019 struct kref refcount;
1022 void dc_sink_retain(struct dc_sink *sink);
1023 void dc_sink_release(struct dc_sink *sink);
1025 struct dc_sink_init_data {
1026 enum signal_type sink_signal;
1027 struct dc_link *link;
1028 uint32_t dongle_max_pix_clk;
1029 bool converter_disable_audio;
1032 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
1034 /* Newer interfaces */
1036 struct dc_plane_address address;
1037 struct dc_cursor_attributes attributes;
1041 /*******************************************************************************
1042 * Interrupt interfaces
1043 ******************************************************************************/
1044 enum dc_irq_source dc_interrupt_to_irq_source(
1048 bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
1049 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
1050 enum dc_irq_source dc_get_hpd_irq_source_at_index(
1051 struct dc *dc, uint32_t link_index);
1053 /*******************************************************************************
1055 ******************************************************************************/
1057 void dc_set_power_state(
1059 enum dc_acpi_cm_power_state power_state);
1060 void dc_resume(struct dc *dc);
1061 unsigned int dc_get_current_backlight_pwm(struct dc *dc);
1062 unsigned int dc_get_target_backlight_pwm(struct dc *dc);
1064 bool dc_is_dmcu_initialized(struct dc *dc);
1066 enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping);
1067 void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg);
1068 #if defined(CONFIG_DRM_AMD_DC_DSC_SUPPORT)
1069 /*******************************************************************************
1071 ******************************************************************************/
1074 #endif /* DC_INTERFACE_H_ */