/* * Copyright 2012-14 Advanced Micro Devices, Inc. * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR * OTHER DEALINGS IN THE SOFTWARE. * * Authors: AMD * */ #ifndef DC_INTERFACE_H_ #define DC_INTERFACE_H_ #include "dc_types.h" #include "grph_object_defs.h" #include "logger_types.h" #include "gpio_types.h" #include "link_service_types.h" #include "grph_object_ctrl_defs.h" #include #include "inc/hw_sequencer.h" #include "inc/compressor.h" #include "inc/hw/dmcu.h" #include "dml/display_mode_lib.h" #define DC_VER "3.2.27" #define MAX_SURFACES 3 #define MAX_PLANES 6 #define MAX_STREAMS 6 #define MAX_SINKS_PER_LINK 4 /******************************************************************************* * Display Core Interfaces ******************************************************************************/ struct dc_versions { const char *dc_ver; struct dmcu_version dmcu_version; }; enum dc_plane_type { DC_PLANE_TYPE_INVALID, DC_PLANE_TYPE_DCE_RGB, DC_PLANE_TYPE_DCE_UNDERLAY, DC_PLANE_TYPE_DCN_UNIVERSAL, }; struct dc_plane_cap { enum dc_plane_type type; uint32_t blends_with_above : 1; uint32_t blends_with_below : 1; uint32_t per_pixel_alpha : 1; struct { uint32_t argb8888 : 1; uint32_t nv12 : 1; uint32_t fp16 : 1; } pixel_format_support; // max upscaling factor x1000 // upscaling factors are always >= 1 // for example, 1080p -> 8K is 4.0, or 4000 raw value struct { uint32_t argb8888; uint32_t nv12; uint32_t fp16; } max_upscale_factor; // max downscale factor x1000 // downscale factors are always <= 1 // for example, 8K -> 1080p is 0.25, or 250 raw value struct { uint32_t argb8888; uint32_t nv12; uint32_t fp16; } max_downscale_factor; }; struct dc_caps { uint32_t max_streams; uint32_t max_links; uint32_t max_audios; uint32_t max_slave_planes; uint32_t max_planes; uint32_t max_downscale_ratio; uint32_t i2c_speed_in_khz; uint32_t dmdata_alloc_size; unsigned int max_cursor_size; unsigned int max_video_width; int linear_pitch_alignment; bool dcc_const_color; bool dynamic_audio; bool is_apu; bool dual_link_dvi; bool post_blend_color_processing; bool force_dp_tps4_for_cp2520; bool disable_dp_clk_share; bool psp_setup_panel_mode; struct dc_plane_cap planes[MAX_PLANES]; }; struct dc_dcc_surface_param { struct dc_size surface_size; enum surface_pixel_format format; enum swizzle_mode_values swizzle_mode; enum dc_scan_direction scan; }; struct dc_dcc_setting { unsigned int max_compressed_blk_size; unsigned int max_uncompressed_blk_size; bool independent_64b_blks; }; struct dc_surface_dcc_cap { union { struct { struct dc_dcc_setting rgb; } grph; struct { struct dc_dcc_setting luma; struct dc_dcc_setting chroma; } video; }; bool capable; bool const_color_support; }; struct dc_static_screen_events { bool force_trigger; bool cursor_update; bool surface_update; bool overlay_update; }; /* Surface update type is used by dc_update_surfaces_and_stream * The update type is determined at the very beginning of the function based * on parameters passed in and decides how much programming (or updating) is * going to be done during the call. * * UPDATE_TYPE_FAST is used for really fast updates that do not require much * logical calculations or hardware register programming. This update MUST be * ISR safe on windows. Currently fast update will only be used to flip surface * address. * * UPDATE_TYPE_MED is used for slower updates which require significant hw * re-programming however do not affect bandwidth consumption or clock * requirements. At present, this is the level at which front end updates * that do not require us to run bw_calcs happen. These are in/out transfer func * updates, viewport offset changes, recout size changes and pixel depth changes. * This update can be done at ISR, but we want to minimize how often this happens. * * UPDATE_TYPE_FULL is slow. Really slow. This requires us to recalculate our * bandwidth and clocks, possibly rearrange some pipes and reprogram anything front * end related. Any time viewport dimensions, recout dimensions, scaling ratios or * gamma need to be adjusted or pipe needs to be turned on (or disconnected) we do * a full update. This cannot be done at ISR level and should be a rare event. * Unless someone is stress testing mpo enter/exit, playing with colour or adjusting * underscan we don't expect to see this call at all. */ enum surface_update_type { UPDATE_TYPE_FAST, /* super fast, safe to execute in isr */ UPDATE_TYPE_MED, /* ISR safe, most of programming needed, no bw/clk change*/ UPDATE_TYPE_FULL, /* may need to shuffle resources */ }; /* Forward declaration*/ struct dc; struct dc_plane_state; struct dc_state; struct dc_cap_funcs { bool (*get_dcc_compression_cap)(const struct dc *dc, const struct dc_dcc_surface_param *input, struct dc_surface_dcc_cap *output); }; struct link_training_settings; /* Structure to hold configuration flags set by dm at dc creation. */ struct dc_config { bool gpu_vm_support; bool disable_disp_pll_sharing; bool fbc_support; bool optimize_edp_link_rate; bool disable_fractional_pwm; bool allow_seamless_boot_optimization; bool power_down_display_on_boot; }; enum visual_confirm { VISUAL_CONFIRM_DISABLE = 0, VISUAL_CONFIRM_SURFACE = 1, VISUAL_CONFIRM_HDR = 2, }; enum dcc_option { DCC_ENABLE = 0, DCC_DISABLE = 1, DCC_HALF_REQ_DISALBE = 2, }; enum pipe_split_policy { MPC_SPLIT_DYNAMIC = 0, MPC_SPLIT_AVOID = 1, MPC_SPLIT_AVOID_MULT_DISP = 2, }; enum wm_report_mode { WM_REPORT_DEFAULT = 0, WM_REPORT_OVERRIDE = 1, }; /* * For any clocks that may differ per pipe * only the max is stored in this structure */ struct dc_clocks { int dispclk_khz; int max_supported_dppclk_khz; int dppclk_khz; int dcfclk_khz; int socclk_khz; int dcfclk_deep_sleep_khz; int fclk_khz; int phyclk_khz; int dramclk_khz; bool p_state_change_support; }; struct dc_bw_validation_profile { bool enable; unsigned long long total_ticks; unsigned long long voltage_level_ticks; unsigned long long watermark_ticks; unsigned long long rq_dlg_ticks; unsigned long long total_count; unsigned long long skip_fast_count; unsigned long long skip_pass_count; unsigned long long skip_fail_count; }; #define BW_VAL_TRACE_SETUP() \ unsigned long long end_tick = 0; \ unsigned long long voltage_level_tick = 0; \ unsigned long long watermark_tick = 0; \ unsigned long long start_tick = dc->debug.bw_val_profile.enable ? \ dm_get_timestamp(dc->ctx) : 0 #define BW_VAL_TRACE_COUNT() \ if (dc->debug.bw_val_profile.enable) \ dc->debug.bw_val_profile.total_count++ #define BW_VAL_TRACE_SKIP(status) \ if (dc->debug.bw_val_profile.enable) { \ if (!voltage_level_tick) \ voltage_level_tick = dm_get_timestamp(dc->ctx); \ dc->debug.bw_val_profile.skip_ ## status ## _count++; \ } #define BW_VAL_TRACE_END_VOLTAGE_LEVEL() \ if (dc->debug.bw_val_profile.enable) \ voltage_level_tick = dm_get_timestamp(dc->ctx) #define BW_VAL_TRACE_END_WATERMARKS() \ if (dc->debug.bw_val_profile.enable) \ watermark_tick = dm_get_timestamp(dc->ctx) #define BW_VAL_TRACE_FINISH() \ if (dc->debug.bw_val_profile.enable) { \ end_tick = dm_get_timestamp(dc->ctx); \ dc->debug.bw_val_profile.total_ticks += end_tick - start_tick; \ dc->debug.bw_val_profile.voltage_level_ticks += voltage_level_tick - start_tick; \ if (watermark_tick) { \ dc->debug.bw_val_profile.watermark_ticks += watermark_tick - voltage_level_tick; \ dc->debug.bw_val_profile.rq_dlg_ticks += end_tick - watermark_tick; \ } \ } struct dc_debug_options { enum visual_confirm visual_confirm; bool sanity_checks; bool max_disp_clk; bool surface_trace; bool timing_trace; bool clock_trace; bool validation_trace; bool bandwidth_calcs_trace; int max_downscale_src_width; /* stutter efficiency related */ bool disable_stutter; bool use_max_lb; enum dcc_option disable_dcc; enum pipe_split_policy pipe_split_policy; bool force_single_disp_pipe_split; bool voltage_align_fclk; bool disable_dfs_bypass; bool disable_dpp_power_gate; bool disable_hubp_power_gate; bool disable_pplib_wm_range; enum wm_report_mode pplib_wm_report_mode; unsigned int min_disp_clk_khz; int sr_exit_time_dpm0_ns; int sr_enter_plus_exit_time_dpm0_ns; int sr_exit_time_ns; int sr_enter_plus_exit_time_ns; int urgent_latency_ns; int percent_of_ideal_drambw; int dram_clock_change_latency_ns; bool optimized_watermark; int always_scale; bool disable_pplib_clock_request; bool disable_clock_gate; bool disable_dmcu; bool disable_psr; bool force_abm_enable; bool disable_stereo_support; bool vsr_support; bool performance_trace; bool az_endpoint_mute_only; bool always_use_regamma; bool p010_mpo_support; bool recovery_enabled; bool avoid_vbios_exec_table; bool scl_reset_length10; bool hdmi20_disable; bool skip_detection_link_training; unsigned int force_odm_combine; //bit vector based on otg inst unsigned int force_fclk_khz; bool disable_tri_buf; struct dc_bw_validation_profile bw_val_profile; }; struct dc_debug_data { uint32_t ltFailCount; uint32_t i2cErrorCount; uint32_t auxErrorCount; }; struct dc_bounding_box_overrides { int sr_exit_time_ns; int sr_enter_plus_exit_time_ns; int urgent_latency_ns; int percent_of_ideal_drambw; int dram_clock_change_latency_ns; }; struct dc_state; struct resource_pool; struct dce_hwseq; struct dc { struct dc_versions versions; struct dc_caps caps; struct dc_cap_funcs cap_funcs; struct dc_config config; struct dc_debug_options debug; struct dc_bounding_box_overrides bb_overrides; struct dc_context *ctx; uint8_t link_count; struct dc_link *links[MAX_PIPES * 2]; struct dc_state *current_state; struct resource_pool *res_pool; /* Display Engine Clock levels */ struct dm_pp_clock_levels sclk_lvls; /* Inputs into BW and WM calculations. */ struct bw_calcs_dceip *bw_dceip; struct bw_calcs_vbios *bw_vbios; #ifdef CONFIG_DRM_AMD_DC_DCN1_0 struct dcn_soc_bounding_box *dcn_soc; struct dcn_ip_params *dcn_ip; struct display_mode_lib dml; #endif /* HW functions */ struct hw_sequencer_funcs hwss; struct dce_hwseq *hwseq; /* Require to optimize clocks and bandwidth for added/removed planes */ bool optimized_required; /* Require to maintain clocks and bandwidth for UEFI enabled HW */ bool optimize_seamless_boot; /* FBC compressor */ struct compressor *fbc_compressor; struct dc_debug_data debug_data; const char *build_id; }; enum frame_buffer_mode { FRAME_BUFFER_MODE_LOCAL_ONLY = 0, FRAME_BUFFER_MODE_ZFB_ONLY, FRAME_BUFFER_MODE_MIXED_ZFB_AND_LOCAL, } ; struct dchub_init_data { int64_t zfb_phys_addr_base; int64_t zfb_mc_base_addr; uint64_t zfb_size_in_byte; enum frame_buffer_mode fb_mode; bool dchub_initialzied; bool dchub_info_valid; }; struct dc_init_data { struct hw_asic_id asic_id; void *driver; /* ctx */ struct cgs_device *cgs_device; struct dc_bounding_box_overrides bb_overrides; int num_virtual_links; /* * If 'vbios_override' not NULL, it will be called instead * of the real VBIOS. Intended use is Diagnostics on FPGA. */ struct dc_bios *vbios_override; enum dce_environment dce_environment; struct dc_config flags; uint32_t log_mask; }; struct dc_callback_init { uint8_t reserved; }; struct dc *dc_create(const struct dc_init_data *init_params); void dc_init_callbacks(struct dc *dc, const struct dc_callback_init *init_params); void dc_destroy(struct dc **dc); /******************************************************************************* * Surface Interfaces ******************************************************************************/ enum { TRANSFER_FUNC_POINTS = 1025 }; struct dc_hdr_static_metadata { /* display chromaticities and white point in units of 0.00001 */ unsigned int chromaticity_green_x; unsigned int chromaticity_green_y; unsigned int chromaticity_blue_x; unsigned int chromaticity_blue_y; unsigned int chromaticity_red_x; unsigned int chromaticity_red_y; unsigned int chromaticity_white_point_x; unsigned int chromaticity_white_point_y; uint32_t min_luminance; uint32_t max_luminance; uint32_t maximum_content_light_level; uint32_t maximum_frame_average_light_level; }; enum dc_transfer_func_type { TF_TYPE_PREDEFINED, TF_TYPE_DISTRIBUTED_POINTS, TF_TYPE_BYPASS, TF_TYPE_HWPWL }; struct dc_transfer_func_distributed_points { struct fixed31_32 red[TRANSFER_FUNC_POINTS]; struct fixed31_32 green[TRANSFER_FUNC_POINTS]; struct fixed31_32 blue[TRANSFER_FUNC_POINTS]; uint16_t end_exponent; uint16_t x_point_at_y1_red; uint16_t x_point_at_y1_green; uint16_t x_point_at_y1_blue; }; enum dc_transfer_func_predefined { TRANSFER_FUNCTION_SRGB, TRANSFER_FUNCTION_BT709, TRANSFER_FUNCTION_PQ, TRANSFER_FUNCTION_LINEAR, TRANSFER_FUNCTION_UNITY, TRANSFER_FUNCTION_HLG, TRANSFER_FUNCTION_HLG12, TRANSFER_FUNCTION_GAMMA22 }; struct dc_transfer_func { struct kref refcount; enum dc_transfer_func_type type; enum dc_transfer_func_predefined tf; /* FP16 1.0 reference level in nits, default is 80 nits, only for PQ*/ uint32_t sdr_ref_white_level; struct dc_context *ctx; union { struct pwl_params pwl; struct dc_transfer_func_distributed_points tf_pts; }; }; /* * This structure is filled in by dc_surface_get_status and contains * the last requested address and the currently active address so the called * can determine if there are any outstanding flips */ struct dc_plane_status { struct dc_plane_address requested_address; struct dc_plane_address current_address; bool is_flip_pending; bool is_right_eye; }; union surface_update_flags { struct { /* Medium updates */ uint32_t dcc_change:1; uint32_t color_space_change:1; uint32_t horizontal_mirror_change:1; uint32_t per_pixel_alpha_change:1; uint32_t global_alpha_change:1; uint32_t rotation_change:1; uint32_t swizzle_change:1; uint32_t scaling_change:1; uint32_t position_change:1; uint32_t in_transfer_func_change:1; uint32_t input_csc_change:1; uint32_t coeff_reduction_change:1; uint32_t output_tf_change:1; uint32_t pixel_format_change:1; uint32_t plane_size_change:1; /* Full updates */ uint32_t new_plane:1; uint32_t bpp_change:1; uint32_t gamma_change:1; uint32_t bandwidth_change:1; uint32_t clock_change:1; uint32_t stereo_format_change:1; uint32_t full_update:1; } bits; uint32_t raw; }; struct dc_plane_state { struct dc_plane_address address; struct dc_plane_flip_time time; struct scaling_taps scaling_quality; struct rect src_rect; struct rect dst_rect; struct rect clip_rect; union plane_size plane_size; union dc_tiling_info tiling_info; struct dc_plane_dcc_param dcc; struct dc_gamma *gamma_correction; struct dc_transfer_func *in_transfer_func; struct dc_bias_and_scale *bias_and_scale; struct dc_csc_transform input_csc_color_matrix; struct fixed31_32 coeff_reduction_factor; uint32_t sdr_white_level; // TODO: No longer used, remove struct dc_hdr_static_metadata hdr_static_ctx; enum dc_color_space color_space; enum surface_pixel_format format; enum dc_rotation_angle rotation; enum plane_stereo_format stereo_format; bool is_tiling_rotated; bool per_pixel_alpha; bool global_alpha; int global_alpha_value; bool visible; bool flip_immediate; bool horizontal_mirror; union surface_update_flags update_flags; /* private to DC core */ struct dc_plane_status status; struct dc_context *ctx; /* HACK: Workaround for forcing full reprogramming under some conditions */ bool force_full_update; /* private to dc_surface.c */ enum dc_irq_source irq_source; struct kref refcount; }; struct dc_plane_info { union plane_size plane_size; union dc_tiling_info tiling_info; struct dc_plane_dcc_param dcc; enum surface_pixel_format format; enum dc_rotation_angle rotation; enum plane_stereo_format stereo_format; enum dc_color_space color_space; unsigned int sdr_white_level; bool horizontal_mirror; bool visible; bool per_pixel_alpha; bool global_alpha; int global_alpha_value; bool input_csc_enabled; }; struct dc_scaling_info { struct rect src_rect; struct rect dst_rect; struct rect clip_rect; struct scaling_taps scaling_quality; }; struct dc_surface_update { struct dc_plane_state *surface; /* isr safe update parameters. null means no updates */ const struct dc_flip_addrs *flip_addr; const struct dc_plane_info *plane_info; const struct dc_scaling_info *scaling_info; /* following updates require alloc/sleep/spin that is not isr safe, * null means no updates */ const struct dc_gamma *gamma; const struct dc_transfer_func *in_transfer_func; const struct dc_csc_transform *input_csc_color_matrix; const struct fixed31_32 *coeff_reduction_factor; }; /* * Create a new surface with default parameters; */ struct dc_plane_state *dc_create_plane_state(struct dc *dc); const struct dc_plane_status *dc_plane_get_status( const struct dc_plane_state *plane_state); void dc_plane_state_retain(struct dc_plane_state *plane_state); void dc_plane_state_release(struct dc_plane_state *plane_state); void dc_gamma_retain(struct dc_gamma *dc_gamma); void dc_gamma_release(struct dc_gamma **dc_gamma); struct dc_gamma *dc_create_gamma(void); void dc_transfer_func_retain(struct dc_transfer_func *dc_tf); void dc_transfer_func_release(struct dc_transfer_func *dc_tf); struct dc_transfer_func *dc_create_transfer_func(void); /* * This structure holds a surface address. There could be multiple addresses * in cases such as Stereo 3D, Planar YUV, etc. Other per-flip attributes such * as frame durations and DCC format can also be set. */ struct dc_flip_addrs { struct dc_plane_address address; unsigned int flip_timestamp_in_us; bool flip_immediate; /* TODO: add flip duration for FreeSync */ }; bool dc_post_update_surfaces_to_stream( struct dc *dc); #include "dc_stream.h" /* * Structure to store surface/stream associations for validation */ struct dc_validation_set { struct dc_stream_state *stream; struct dc_plane_state *plane_states[MAX_SURFACES]; uint8_t plane_count; }; bool dc_validate_seamless_boot_timing(const struct dc *dc, const struct dc_sink *sink, struct dc_crtc_timing *crtc_timing); enum dc_status dc_validate_plane(struct dc *dc, const struct dc_plane_state *plane_state); void get_clock_requirements_for_state(struct dc_state *state, struct AsicStateEx *info); /* * fast_validate: we return after determining if we can support the new state, * but before we populate the programming info */ enum dc_status dc_validate_global_state( struct dc *dc, struct dc_state *new_ctx, bool fast_validate); void dc_resource_state_construct( const struct dc *dc, struct dc_state *dst_ctx); void dc_resource_state_copy_construct( const struct dc_state *src_ctx, struct dc_state *dst_ctx); void dc_resource_state_copy_construct_current( const struct dc *dc, struct dc_state *dst_ctx); void dc_resource_state_destruct(struct dc_state *context); /* * TODO update to make it about validation sets * Set up streams and links associated to drive sinks * The streams parameter is an absolute set of all active streams. * * After this call: * Phy, Encoder, Timing Generator are programmed and enabled. * New streams are enabled with blank stream; no memory read. */ bool dc_commit_state(struct dc *dc, struct dc_state *context); struct dc_state *dc_create_state(struct dc *dc); struct dc_state *dc_copy_state(struct dc_state *src_ctx); void dc_retain_state(struct dc_state *context); void dc_release_state(struct dc_state *context); /******************************************************************************* * Link Interfaces ******************************************************************************/ struct dpcd_caps { union dpcd_rev dpcd_rev; union max_lane_count max_ln_count; union max_down_spread max_down_spread; union dprx_feature dprx_feature; /* valid only for eDP v1.4 or higher*/ uint8_t edp_supported_link_rates_count; enum dc_link_rate edp_supported_link_rates[8]; /* dongle type (DP converter, CV smart dongle) */ enum display_dongle_type dongle_type; /* branch device or sink device */ bool is_branch_dev; /* Dongle's downstream count. */ union sink_count sink_count; /* If dongle_type == DISPLAY_DONGLE_DP_HDMI_CONVERTER, indicates 'Frame Sequential-to-lllFrame Pack' conversion capability.*/ struct dc_dongle_caps dongle_caps; uint32_t sink_dev_id; int8_t sink_dev_id_str[6]; int8_t sink_hw_revision; int8_t sink_fw_revision[2]; uint32_t branch_dev_id; int8_t branch_dev_name[6]; int8_t branch_hw_revision; int8_t branch_fw_revision[2]; bool allow_invalid_MSA_timing_param; bool panel_mode_edp; bool dpcd_display_control_capable; bool ext_receiver_cap_field_present; }; #include "dc_link.h" /******************************************************************************* * Sink Interfaces - A sink corresponds to a display output device ******************************************************************************/ struct dc_container_id { // 128bit GUID in binary form unsigned char guid[16]; // 8 byte port ID -> ELD.PortID unsigned int portId[2]; // 128bit GUID in binary formufacturer name -> ELD.ManufacturerName unsigned short manufacturerName; // 2 byte product code -> ELD.ProductCode unsigned short productCode; }; /* * The sink structure contains EDID and other display device properties */ struct dc_sink { enum signal_type sink_signal; struct dc_edid dc_edid; /* raw edid */ struct dc_edid_caps edid_caps; /* parse display caps */ struct dc_container_id *dc_container_id; uint32_t dongle_max_pix_clk; void *priv; struct stereo_3d_features features_3d[TIMING_3D_FORMAT_MAX]; bool converter_disable_audio; /* private to DC core */ struct dc_link *link; struct dc_context *ctx; uint32_t sink_id; /* private to dc_sink.c */ // refcount must be the last member in dc_sink, since we want the // sink structure to be logically cloneable up to (but not including) // refcount struct kref refcount; }; void dc_sink_retain(struct dc_sink *sink); void dc_sink_release(struct dc_sink *sink); struct dc_sink_init_data { enum signal_type sink_signal; struct dc_link *link; uint32_t dongle_max_pix_clk; bool converter_disable_audio; }; struct dc_sink *dc_sink_create(const struct dc_sink_init_data *init_params); /* Newer interfaces */ struct dc_cursor { struct dc_plane_address address; struct dc_cursor_attributes attributes; }; /******************************************************************************* * Interrupt interfaces ******************************************************************************/ enum dc_irq_source dc_interrupt_to_irq_source( struct dc *dc, uint32_t src_id, uint32_t ext_id); bool dc_interrupt_set(struct dc *dc, enum dc_irq_source src, bool enable); void dc_interrupt_ack(struct dc *dc, enum dc_irq_source src); enum dc_irq_source dc_get_hpd_irq_source_at_index( struct dc *dc, uint32_t link_index); /******************************************************************************* * Power Interfaces ******************************************************************************/ void dc_set_power_state( struct dc *dc, enum dc_acpi_cm_power_state power_state); void dc_resume(struct dc *dc); unsigned int dc_get_current_backlight_pwm(struct dc *dc); unsigned int dc_get_target_backlight_pwm(struct dc *dc); bool dc_is_dmcu_initialized(struct dc *dc); #endif /* DC_INTERFACE_H_ */