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
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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 "3.2.57"
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 bool extended_aux_timeout_support;
116 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
119 struct dc_plane_cap planes[MAX_PLANES];
123 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
124 bool no_connect_phy_config;
127 bool skip_clock_update;
130 struct dc_dcc_surface_param {
131 struct dc_size surface_size;
132 enum surface_pixel_format format;
133 enum swizzle_mode_values swizzle_mode;
134 enum dc_scan_direction scan;
137 struct dc_dcc_setting {
138 unsigned int max_compressed_blk_size;
139 unsigned int max_uncompressed_blk_size;
140 bool independent_64b_blks;
143 struct dc_surface_dcc_cap {
146 struct dc_dcc_setting rgb;
150 struct dc_dcc_setting luma;
151 struct dc_dcc_setting chroma;
156 bool const_color_support;
159 struct dc_static_screen_events {
167 /* Surface update type is used by dc_update_surfaces_and_stream
168 * The update type is determined at the very beginning of the function based
169 * on parameters passed in and decides how much programming (or updating) is
170 * going to be done during the call.
172 * UPDATE_TYPE_FAST is used for really fast updates that do not require much
173 * logical calculations or hardware register programming. This update MUST be
174 * ISR safe on windows. Currently fast update will only be used to flip surface
177 * UPDATE_TYPE_MED is used for slower updates which require significant hw
178 * re-programming however do not affect bandwidth consumption or clock
179 * requirements. At present, this is the level at which front end updates
180 * that do not require us to run bw_calcs happen. These are in/out transfer func
181 * updates, viewport offset changes, recout size changes and pixel depth changes.
182 * This update can be done at ISR, but we want to minimize how often this happens.
184 * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our
185 * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front
186 * end related. Any time viewport dimensions, recout dimensions, scaling ratios or
187 * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do
188 * a full update. This cannot be done at ISR level and should be a rare event.
189 * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting
190 * underscan we don't expect to see this call at all.
193 enum surface_update_type {
194 UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */
195 UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/
196 UPDATE_TYPE_FULL, /* may need to shuffle resources */
199 /* Forward declaration*/
201 struct dc_plane_state;
205 struct dc_cap_funcs {
206 bool (*get_dcc_compression_cap)(const struct dc *dc,
207 const struct dc_dcc_surface_param *input,
208 struct dc_surface_dcc_cap *output);
211 struct link_training_settings;
214 /* Structure to hold configuration flags set by dm at dc creation. */
217 bool disable_disp_pll_sharing;
219 bool optimize_edp_link_rate;
220 bool disable_fractional_pwm;
221 bool allow_seamless_boot_optimization;
222 bool power_down_display_on_boot;
223 bool edp_not_connected;
226 bool disable_extended_timeout_support; // Used to disable extended timeout and lttpr feature as well
227 bool multi_mon_pp_mclk_switch;
230 enum visual_confirm {
231 VISUAL_CONFIRM_DISABLE = 0,
232 VISUAL_CONFIRM_SURFACE = 1,
233 VISUAL_CONFIRM_HDR = 2,
234 VISUAL_CONFIRM_MPCTREE = 4,
240 DCC_HALF_REQ_DISALBE = 2,
243 enum pipe_split_policy {
244 MPC_SPLIT_DYNAMIC = 0,
246 MPC_SPLIT_AVOID_MULT_DISP = 2,
249 enum wm_report_mode {
250 WM_REPORT_DEFAULT = 0,
251 WM_REPORT_OVERRIDE = 1,
254 dtm_level_p0 = 0,/*highest voltage*/
258 dtm_level_p4,/*when active_display_count = 0*/
262 DCN_PWR_STATE_UNKNOWN = -1,
263 DCN_PWR_STATE_MISSION_MODE = 0,
264 DCN_PWR_STATE_LOW_POWER = 3,
268 * For any clocks that may differ per pipe
269 * only the max is stored in this structure
276 int dcfclk_deep_sleep_khz;
280 bool p_state_change_support;
281 enum dcn_pwr_state pwr_state;
283 * Elements below are not compared for the purposes of
284 * optimization required
286 bool prev_p_state_change_support;
287 enum dtm_pstate dtm_level;
288 int max_supported_dppclk_khz;
289 int max_supported_dispclk_khz;
290 int bw_dppclk_khz; /*a copy of dppclk_khz*/
294 struct dc_bw_validation_profile {
297 unsigned long long total_ticks;
298 unsigned long long voltage_level_ticks;
299 unsigned long long watermark_ticks;
300 unsigned long long rq_dlg_ticks;
302 unsigned long long total_count;
303 unsigned long long skip_fast_count;
304 unsigned long long skip_pass_count;
305 unsigned long long skip_fail_count;
308 #define BW_VAL_TRACE_SETUP() \
309 unsigned long long end_tick = 0; \
310 unsigned long long voltage_level_tick = 0; \
311 unsigned long long watermark_tick = 0; \
312 unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \
313 dm_get_timestamp(dc->ctx) : 0
315 #define BW_VAL_TRACE_COUNT() \
316 if (dc->debug.bw_val_profile.enable) \
317 dc->debug.bw_val_profile.total_count++
319 #define BW_VAL_TRACE_SKIP(status) \
320 if (dc->debug.bw_val_profile.enable) { \
321 if (!voltage_level_tick) \
322 voltage_level_tick = dm_get_timestamp(dc->ctx); \
323 dc->debug.bw_val_profile.skip_ ## status ## _count++; \
326 #define BW_VAL_TRACE_END_VOLTAGE_LEVEL() \
327 if (dc->debug.bw_val_profile.enable) \
328 voltage_level_tick = dm_get_timestamp(dc->ctx)
330 #define BW_VAL_TRACE_END_WATERMARKS() \
331 if (dc->debug.bw_val_profile.enable) \
332 watermark_tick = dm_get_timestamp(dc->ctx)
334 #define BW_VAL_TRACE_FINISH() \
335 if (dc->debug.bw_val_profile.enable) { \
336 end_tick = dm_get_timestamp(dc->ctx); \
337 dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \
338 dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \
339 if (watermark_tick) { \
340 dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \
341 dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \
345 struct dc_debug_options {
346 enum visual_confirm visual_confirm;
352 bool validation_trace;
353 bool bandwidth_calcs_trace;
354 int max_downscale_src_width;
356 /* stutter efficiency related */
357 bool disable_stutter;
359 enum dcc_option disable_dcc;
360 enum pipe_split_policy pipe_split_policy;
361 bool force_single_disp_pipe_split;
362 bool voltage_align_fclk;
364 bool disable_dfs_bypass;
365 bool disable_dpp_power_gate;
366 bool disable_hubp_power_gate;
367 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
368 bool disable_dsc_power_gate;
369 int dsc_min_slice_height_override;
371 bool disable_pplib_wm_range;
372 enum wm_report_mode pplib_wm_report_mode;
373 unsigned int min_disp_clk_khz;
374 unsigned int min_dpp_clk_khz;
375 int sr_exit_time_dpm0_ns;
376 int sr_enter_plus_exit_time_dpm0_ns;
378 int sr_enter_plus_exit_time_ns;
379 int urgent_latency_ns;
380 uint32_t underflow_assert_delay_us;
381 int percent_of_ideal_drambw;
382 int dram_clock_change_latency_ns;
383 bool optimized_watermark;
385 bool disable_pplib_clock_request;
386 bool disable_clock_gate;
389 bool force_abm_enable;
390 bool disable_stereo_support;
392 bool performance_trace;
393 bool az_endpoint_mute_only;
394 bool always_use_regamma;
395 bool p010_mpo_support;
396 bool recovery_enabled;
397 bool avoid_vbios_exec_table;
398 bool scl_reset_length10;
400 bool skip_detection_link_training;
401 bool remove_disconnect_edp;
402 unsigned int force_odm_combine; //bit vector based on otg inst
403 unsigned int force_fclk_khz;
404 bool disable_tri_buf;
405 bool dmub_offload_enabled;
406 bool dmcub_emulation;
407 bool dmub_command_table; /* for testing only */
408 struct dc_bw_validation_profile bw_val_profile;
409 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
412 #ifdef CONFIG_DRM_AMD_DC_DCN2_1
413 bool disable_48mhz_pwrdwn;
415 /* This forces a hard min on the DCFCLK requested to SMU/PP
416 * watermarks are not affected.
418 unsigned int force_min_dcfclk_mhz;
419 bool disable_timing_sync;
420 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
423 int force_clock_mode;/*every mode change.*/
425 bool nv12_iflip_vm_wa;
426 bool disable_dram_clock_change_vactive_support;
429 struct dc_debug_data {
430 uint32_t ltFailCount;
431 uint32_t i2cErrorCount;
432 uint32_t auxErrorCount;
435 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
436 struct dc_phy_addr_space_config {
449 uint64_t page_table_start_addr;
450 uint64_t page_table_end_addr;
451 uint64_t page_table_base_addr;
455 uint64_t page_table_default_page_addr;
458 struct dc_virtual_addr_space_config {
459 uint64_t page_table_base_addr;
460 uint64_t page_table_start_addr;
461 uint64_t page_table_end_addr;
462 uint32_t page_table_block_size_in_bytes;
463 uint8_t page_table_depth; // 1 = 1 level, 2 = 2 level, etc. 0 = invalid
467 struct dc_bounding_box_overrides {
469 int sr_enter_plus_exit_time_ns;
470 int urgent_latency_ns;
471 int percent_of_ideal_drambw;
472 int dram_clock_change_latency_ns;
473 /* This forces a hard min on the DCFCLK we use
474 * for DML. Unlike the debug option for forcing
475 * DCFCLK, this override affects watermark calculations
481 struct resource_pool;
483 struct gpu_info_soc_bounding_box_v1_0;
485 struct dc_versions versions;
487 struct dc_cap_funcs cap_funcs;
488 struct dc_config config;
489 struct dc_debug_options debug;
490 struct dc_bounding_box_overrides bb_overrides;
491 struct dc_bug_wa work_arounds;
492 struct dc_context *ctx;
493 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
494 struct dc_phy_addr_space_config vm_pa_config;
498 struct dc_link *links[MAX_PIPES * 2];
500 struct dc_state *current_state;
501 struct resource_pool *res_pool;
503 struct clk_mgr *clk_mgr;
505 /* Display Engine Clock levels */
506 struct dm_pp_clock_levels sclk_lvls;
508 /* Inputs into BW and WM calculations. */
509 struct bw_calcs_dceip *bw_dceip;
510 struct bw_calcs_vbios *bw_vbios;
511 #ifdef CONFIG_DRM_AMD_DC_DCN1_0
512 struct dcn_soc_bounding_box *dcn_soc;
513 struct dcn_ip_params *dcn_ip;
514 struct display_mode_lib dml;
518 struct hw_sequencer_funcs hwss;
519 struct dce_hwseq *hwseq;
521 /* Require to optimize clocks and bandwidth for added/removed planes */
522 bool optimized_required;
524 /* Require to maintain clocks and bandwidth for UEFI enabled HW */
525 bool optimize_seamless_boot;
528 struct compressor *fbc_compressor;
530 struct dc_debug_data debug_data;
532 const char *build_id;
533 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
534 struct vm_helper *vm_helper;
535 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
539 enum frame_buffer_mode {
540 FRAME_BUFFER_MODE_LOCAL_ONLY = 0,
541 FRAME_BUFFER_MODE_ZFB_ONLY,
542 FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL,
545 struct dchub_init_data {
546 int64_t zfb_phys_addr_base;
547 int64_t zfb_mc_base_addr;
548 uint64_t zfb_size_in_byte;
549 enum frame_buffer_mode fb_mode;
550 bool dchub_initialzied;
551 bool dchub_info_valid;
554 struct dc_init_data {
555 struct hw_asic_id asic_id;
556 void *driver; /* ctx */
557 struct cgs_device *cgs_device;
558 struct dc_bounding_box_overrides bb_overrides;
560 int num_virtual_links;
562 * If 'vbios_override' not NULL, it will be called instead
563 * of the real VBIOS. Intended use is Diagnostics on FPGA.
565 struct dc_bios *vbios_override;
566 enum dce_environment dce_environment;
568 struct dmub_offload_funcs *dmub_if;
569 struct dc_reg_helper_state *dmub_offload;
571 struct dc_config flags;
573 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
575 * gpu_info FW provided soc bounding box struct or 0 if not
578 const struct gpu_info_soc_bounding_box_v1_0 *soc_bounding_box;
582 struct dc_callback_init {
583 #ifdef CONFIG_DRM_AMD_DC_HDCP
584 struct cp_psp cp_psp;
590 struct dc *dc_create(const struct dc_init_data *init_params);
591 void dc_hardware_init(struct dc *dc);
593 int dc_get_vmid_use_vector(struct dc *dc);
594 #ifdef CONFIG_DRM_AMD_DC_DCN2_0
595 void dc_setup_vm_context(struct dc *dc, struct dc_virtual_addr_space_config *va_config, int vmid);
596 /* Returns the number of vmids supported */
597 int dc_setup_system_context(struct dc *dc, struct dc_phy_addr_space_config *pa_config);
599 void dc_init_callbacks(struct dc *dc,
600 const struct dc_callback_init *init_params);
601 void dc_deinit_callbacks(struct dc *dc);
602 void dc_destroy(struct dc **dc);
604 /*******************************************************************************
606 ******************************************************************************/
609 TRANSFER_FUNC_POINTS = 1025
612 struct dc_hdr_static_metadata {
613 /* display chromaticities and white point in units of 0.00001 */
614 unsigned int chromaticity_green_x;
615 unsigned int chromaticity_green_y;
616 unsigned int chromaticity_blue_x;
617 unsigned int chromaticity_blue_y;
618 unsigned int chromaticity_red_x;
619 unsigned int chromaticity_red_y;
620 unsigned int chromaticity_white_point_x;
621 unsigned int chromaticity_white_point_y;
623 uint32_t min_luminance;
624 uint32_t max_luminance;
625 uint32_t maximum_content_light_level;
626 uint32_t maximum_frame_average_light_level;
629 enum dc_transfer_func_type {
631 TF_TYPE_DISTRIBUTED_POINTS,
636 struct dc_transfer_func_distributed_points {
637 struct fixed31_32 red[TRANSFER_FUNC_POINTS];
638 struct fixed31_32 green[TRANSFER_FUNC_POINTS];
639 struct fixed31_32 blue[TRANSFER_FUNC_POINTS];
641 uint16_t end_exponent;
642 uint16_t x_point_at_y1_red;
643 uint16_t x_point_at_y1_green;
644 uint16_t x_point_at_y1_blue;
647 enum dc_transfer_func_predefined {
648 TRANSFER_FUNCTION_SRGB,
649 TRANSFER_FUNCTION_BT709,
650 TRANSFER_FUNCTION_PQ,
651 TRANSFER_FUNCTION_LINEAR,
652 TRANSFER_FUNCTION_UNITY,
653 TRANSFER_FUNCTION_HLG,
654 TRANSFER_FUNCTION_HLG12,
655 TRANSFER_FUNCTION_GAMMA22,
656 TRANSFER_FUNCTION_GAMMA24,
657 TRANSFER_FUNCTION_GAMMA26
661 struct dc_transfer_func {
662 struct kref refcount;
663 enum dc_transfer_func_type type;
664 enum dc_transfer_func_predefined tf;
665 /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/
666 uint32_t sdr_ref_white_level;
667 struct dc_context *ctx;
669 struct pwl_params pwl;
670 struct dc_transfer_func_distributed_points tf_pts;
674 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
676 union dc_3dlut_state {
678 uint32_t initialized:1; /*if 3dlut is went through color module for initialization */
679 uint32_t rmu_idx_valid:1; /*if mux settings are valid*/
680 uint32_t rmu_mux_num:3; /*index of mux to use*/
681 uint32_t mpc_rmu0_mux:4; /*select mpcc on mux, one of the following : mpcc0, mpcc1, mpcc2, mpcc3*/
682 uint32_t mpc_rmu1_mux:4;
683 uint32_t mpc_rmu2_mux:4;
684 uint32_t reserved:15;
691 struct kref refcount;
692 struct tetrahedral_params lut_3d;
693 uint32_t hdr_multiplier;
694 bool initialized; /*remove after diag fix*/
695 union dc_3dlut_state state;
696 struct dc_context *ctx;
700 * This structure is filled in by dc_surface_get_status and contains
701 * the last requested address and the currently active address so the called
702 * can determine if there are any outstanding flips
704 struct dc_plane_status {
705 struct dc_plane_address requested_address;
706 struct dc_plane_address current_address;
707 bool is_flip_pending;
711 union surface_update_flags {
714 uint32_t addr_update:1;
716 uint32_t dcc_change:1;
717 uint32_t color_space_change:1;
718 uint32_t horizontal_mirror_change:1;
719 uint32_t per_pixel_alpha_change:1;
720 uint32_t global_alpha_change:1;
721 uint32_t sdr_white_level:1;
722 uint32_t rotation_change:1;
723 uint32_t swizzle_change:1;
724 uint32_t scaling_change:1;
725 uint32_t position_change:1;
726 uint32_t in_transfer_func_change:1;
727 uint32_t input_csc_change:1;
728 uint32_t coeff_reduction_change:1;
729 uint32_t output_tf_change:1;
730 uint32_t pixel_format_change:1;
731 uint32_t plane_size_change:1;
734 uint32_t new_plane:1;
735 uint32_t bpp_change:1;
736 uint32_t gamma_change:1;
737 uint32_t bandwidth_change:1;
738 uint32_t clock_change:1;
739 uint32_t stereo_format_change:1;
740 uint32_t full_update:1;
746 struct dc_plane_state {
747 struct dc_plane_address address;
748 struct dc_plane_flip_time time;
749 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
750 bool triplebuffer_flips;
752 struct scaling_taps scaling_quality;
753 struct rect src_rect;
754 struct rect dst_rect;
755 struct rect clip_rect;
757 struct plane_size plane_size;
758 union dc_tiling_info tiling_info;
760 struct dc_plane_dcc_param dcc;
762 struct dc_gamma *gamma_correction;
763 struct dc_transfer_func *in_transfer_func;
764 struct dc_bias_and_scale *bias_and_scale;
765 struct dc_csc_transform input_csc_color_matrix;
766 struct fixed31_32 coeff_reduction_factor;
767 uint32_t sdr_white_level;
769 // TODO: No longer used, remove
770 struct dc_hdr_static_metadata hdr_static_ctx;
772 enum dc_color_space color_space;
774 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
775 struct dc_3dlut *lut3d_func;
776 struct dc_transfer_func *in_shaper_func;
777 struct dc_transfer_func *blend_tf;
780 enum surface_pixel_format format;
781 enum dc_rotation_angle rotation;
782 enum plane_stereo_format stereo_format;
784 bool is_tiling_rotated;
785 bool per_pixel_alpha;
787 int global_alpha_value;
790 bool horizontal_mirror;
793 union surface_update_flags update_flags;
794 /* private to DC core */
795 struct dc_plane_status status;
796 struct dc_context *ctx;
798 /* HACK: Workaround for forcing full reprogramming under some conditions */
799 bool force_full_update;
801 /* private to dc_surface.c */
802 enum dc_irq_source irq_source;
803 struct kref refcount;
806 struct dc_plane_info {
807 struct plane_size plane_size;
808 union dc_tiling_info tiling_info;
809 struct dc_plane_dcc_param dcc;
810 enum surface_pixel_format format;
811 enum dc_rotation_angle rotation;
812 enum plane_stereo_format stereo_format;
813 enum dc_color_space color_space;
814 unsigned int sdr_white_level;
815 bool horizontal_mirror;
817 bool per_pixel_alpha;
819 int global_alpha_value;
820 bool input_csc_enabled;
824 struct dc_scaling_info {
825 struct rect src_rect;
826 struct rect dst_rect;
827 struct rect clip_rect;
828 struct scaling_taps scaling_quality;
831 struct dc_surface_update {
832 struct dc_plane_state *surface;
834 /* isr safe update parameters. null means no updates */
835 const struct dc_flip_addrs *flip_addr;
836 const struct dc_plane_info *plane_info;
837 const struct dc_scaling_info *scaling_info;
839 /* following updates require alloc/sleep/spin that is not isr safe,
840 * null means no updates
842 const struct dc_gamma *gamma;
843 const struct dc_transfer_func *in_transfer_func;
845 const struct dc_csc_transform *input_csc_color_matrix;
846 const struct fixed31_32 *coeff_reduction_factor;
847 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
848 const struct dc_transfer_func *func_shaper;
849 const struct dc_3dlut *lut3d_func;
850 const struct dc_transfer_func *blend_tf;
855 * Create a new surface with default parameters;
857 struct dc_plane_state *dc_create_plane_state(struct dc *dc);
858 const struct dc_plane_status *dc_plane_get_status(
859 const struct dc_plane_state *plane_state);
861 void dc_plane_state_retain(struct dc_plane_state *plane_state);
862 void dc_plane_state_release(struct dc_plane_state *plane_state);
864 void dc_gamma_retain(struct dc_gamma *dc_gamma);
865 void dc_gamma_release(struct dc_gamma **dc_gamma);
866 struct dc_gamma *dc_create_gamma(void);
868 void dc_transfer_func_retain(struct dc_transfer_func *dc_tf);
869 void dc_transfer_func_release(struct dc_transfer_func *dc_tf);
870 struct dc_transfer_func *dc_create_transfer_func(void);
872 #if defined(CONFIG_DRM_AMD_DC_DCN2_0)
873 struct dc_3dlut *dc_create_3dlut_func(void);
874 void dc_3dlut_func_release(struct dc_3dlut *lut);
875 void dc_3dlut_func_retain(struct dc_3dlut *lut);
878 * This structure holds a surface address. There could be multiple addresses
879 * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such
880 * as frame durations and DCC format can also be set.
882 struct dc_flip_addrs {
883 struct dc_plane_address address;
884 unsigned int flip_timestamp_in_us;
886 /* TODO: add flip duration for FreeSync */
889 bool dc_post_update_surfaces_to_stream(
892 #include "dc_stream.h"
895 * Structure to store surface/stream associations for validation
897 struct dc_validation_set {
898 struct dc_stream_state *stream;
899 struct dc_plane_state *plane_states[MAX_SURFACES];
903 bool dc_validate_seamless_boot_timing(const struct dc *dc,
904 const struct dc_sink *sink,
905 struct dc_crtc_timing *crtc_timing);
907 enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state);
909 void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info);
911 bool dc_set_generic_gpio_for_stereo(bool enable,
912 struct gpio_service *gpio_service);
915 * fast_validate: we return after determining if we can support the new state,
916 * but before we populate the programming info
918 enum dc_status dc_validate_global_state(
920 struct dc_state *new_ctx,
924 void dc_resource_state_construct(
926 struct dc_state *dst_ctx);
928 void dc_resource_state_copy_construct(
929 const struct dc_state *src_ctx,
930 struct dc_state *dst_ctx);
932 void dc_resource_state_copy_construct_current(
934 struct dc_state *dst_ctx);
936 void dc_resource_state_destruct(struct dc_state *context);
939 * TODO update to make it about validation sets
940 * Set up streams and links associated to drive sinks
941 * The streams parameter is an absolute set of all active streams.
944 * Phy, Encoder, Timing Generator are programmed and enabled.
945 * New streams are enabled with blank stream; no memory read.
947 bool dc_commit_state(struct dc *dc, struct dc_state *context);
950 struct dc_state *dc_create_state(struct dc *dc);
951 struct dc_state *dc_copy_state(struct dc_state *src_ctx);
952 void dc_retain_state(struct dc_state *context);
953 void dc_release_state(struct dc_state *context);
955 /*******************************************************************************
957 ******************************************************************************/
960 union dpcd_rev dpcd_rev;
961 union max_lane_count max_ln_count;
962 union max_down_spread max_down_spread;
963 union dprx_feature dprx_feature;
965 /* valid only for eDP v1.4 or higher*/
966 uint8_t edp_supported_link_rates_count;
967 enum dc_link_rate edp_supported_link_rates[8];
969 /* dongle type (DP converter, CV smart dongle) */
970 enum display_dongle_type dongle_type;
971 /* branch device or sink device */
973 /* Dongle's downstream count. */
974 union sink_count sink_count;
975 /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER,
976 indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/
977 struct dc_dongle_caps dongle_caps;
979 uint32_t sink_dev_id;
980 int8_t sink_dev_id_str[6];
981 int8_t sink_hw_revision;
982 int8_t sink_fw_revision[2];
984 uint32_t branch_dev_id;
985 int8_t branch_dev_name[6];
986 int8_t branch_hw_revision;
987 int8_t branch_fw_revision[2];
989 bool allow_invalid_MSA_timing_param;
991 bool dpcd_display_control_capable;
992 bool ext_receiver_cap_field_present;
993 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
994 union dpcd_fec_capability fec_cap;
995 struct dpcd_dsc_capabilities dsc_caps;
1001 /*******************************************************************************
1002 * Sink Interfaces - A sink corresponds to a display output device
1003 ******************************************************************************/
1005 struct dc_container_id {
1006 // 128bit GUID in binary form
1007 unsigned char guid[16];
1008 // 8 byte port ID -> ELD.PortID
1009 unsigned int portId[2];
1010 // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName
1011 unsigned short manufacturerName;
1012 // 2 byte product code -> ELD.ProductCode
1013 unsigned short productCode;
1017 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1018 struct dc_sink_dsc_caps {
1019 // 'true' if these are virtual DPCD's DSC caps (immediately upstream of sink in MST topology),
1020 // 'false' if they are sink's DSC caps
1021 bool is_virtual_dpcd_dsc;
1022 struct dsc_dec_dpcd_caps dsc_dec_caps;
1027 * The sink structure contains EDID and other display device properties
1030 enum signal_type sink_signal;
1031 struct dc_edid dc_edid; /* raw edid */
1032 struct dc_edid_caps edid_caps; /* parse display caps */
1033 struct dc_container_id *dc_container_id;
1034 uint32_t dongle_max_pix_clk;
1036 struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX];
1037 bool converter_disable_audio;
1039 #ifdef CONFIG_DRM_AMD_DC_DSC_SUPPORT
1040 struct dc_sink_dsc_caps sink_dsc_caps;
1043 /* private to DC core */
1044 struct dc_link *link;
1045 struct dc_context *ctx;
1049 /* private to dc_sink.c */
1050 // refcount must be the last member in dc_sink, since we want the
1051 // sink structure to be logically cloneable up to (but not including)
1053 struct kref refcount;
1056 void dc_sink_retain(struct dc_sink *sink);
1057 void dc_sink_release(struct dc_sink *sink);
1059 struct dc_sink_init_data {
1060 enum signal_type sink_signal;
1061 struct dc_link *link;
1062 uint32_t dongle_max_pix_clk;
1063 bool converter_disable_audio;
1066 struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params);
1068 /* Newer interfaces */
1070 struct dc_plane_address address;
1071 struct dc_cursor_attributes attributes;
1075 /*******************************************************************************
1076 * Interrupt interfaces
1077 ******************************************************************************/
1078 enum dc_irq_source dc_interrupt_to_irq_source(
1082 bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable);
1083 void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src);
1084 enum dc_irq_source dc_get_hpd_irq_source_at_index(
1085 struct dc *dc, uint32_t link_index);
1087 /*******************************************************************************
1089 ******************************************************************************/
1091 void dc_set_power_state(
1093 enum dc_acpi_cm_power_state power_state);
1094 void dc_resume(struct dc *dc);
1095 unsigned int dc_get_current_backlight_pwm(struct dc *dc);
1096 unsigned int dc_get_target_backlight_pwm(struct dc *dc);
1098 bool dc_is_dmcu_initialized(struct dc *dc);
1100 enum dc_status dc_set_clock(struct dc *dc, enum dc_clock_type clock_type, uint32_t clk_khz, uint32_t stepping);
1101 void dc_get_clock(struct dc *dc, enum dc_clock_type clock_type, struct dc_clock_config *clock_cfg);
1102 #if defined(CONFIG_DRM_AMD_DC_DSC_SUPPORT)
1103 /*******************************************************************************
1105 ******************************************************************************/
1108 #endif /* DC_INTERFACE_H_ */