/* * 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" #define MAX_SURFACES 3 #define MAX_STREAMS 6 #define MAX_SINKS_PER_LINK 4 /******************************************************************************* * Display Core Interfaces ******************************************************************************/ struct dc_caps { uint32_t max_streams; uint32_t max_links; uint32_t max_audios; uint32_t max_slave_planes; uint32_t max_downscale_ratio; uint32_t i2c_speed_in_khz; }; struct dc_dcc_surface_param { enum surface_pixel_format format; struct dc_size surface_size; 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 { bool capable; bool const_color_support; union { struct { struct dc_dcc_setting rgb; } grph; struct { struct dc_dcc_setting luma; struct dc_dcc_setting chroma; } video; }; }; /* Forward declaration*/ struct dc; struct dc_surface; struct validate_context; struct dc_cap_funcs { int i; }; struct dc_stream_funcs { bool (*adjust_vmin_vmax)(struct dc *dc, const struct dc_stream **stream, int num_streams, int vmin, int vmax); void (*stream_update_scaling)(const struct dc *dc, const struct dc_stream *dc_stream, const struct rect *src, const struct rect *dst); bool (*set_gamut_remap)(struct dc *dc, const struct dc_stream **stream, int num_streams); bool (*set_backlight)(struct dc *dc, unsigned int backlight_level, unsigned int frame_ramp, const struct dc_stream *stream); bool (*init_dmcu_backlight_settings)(struct dc *dc); bool (*set_abm_level)(struct dc *dc, unsigned int abm_level); bool (*set_psr_enable)(struct dc *dc, bool enable); bool (*setup_psr)(struct dc *dc, const struct dc_stream *stream); }; struct link_training_settings; struct dc_link_funcs { void (*set_drive_settings)(struct dc *dc, struct link_training_settings *lt_settings, const struct dc_link *link); void (*perform_link_training)(struct dc *dc, struct dc_link_settings *link_setting, bool skip_video_pattern); void (*set_preferred_link_settings)(struct dc *dc, struct dc_link_settings *link_setting, const struct dc_link *link); void (*enable_hpd)(const struct dc_link *link); void (*disable_hpd)(const struct dc_link *link); void (*set_test_pattern)( const struct dc_link *link, enum dp_test_pattern test_pattern, const struct link_training_settings *p_link_settings, const unsigned char *p_custom_pattern, unsigned int cust_pattern_size); }; /* Structure to hold configuration flags set by dm at dc creation. */ struct dc_config { bool gpu_vm_support; bool disable_disp_pll_sharing; }; struct dc_debug { bool surface_visual_confirm; bool max_disp_clk; bool surface_trace; bool timing_trace; bool validation_trace; bool disable_stutter; bool disable_dcc; bool disable_dfs_bypass; bool disable_dpp_power_gate; bool disable_hubp_power_gate; bool disable_clock_gate; bool disable_dmcu; bool disable_color_module; }; struct dc { struct dc_caps caps; struct dc_cap_funcs cap_funcs; struct dc_stream_funcs stream_funcs; struct dc_link_funcs link_funcs; struct dc_config config; struct dc_debug debug; }; struct dc_init_data { struct hw_asic_id asic_id; void *driver; /* ctx */ struct cgs_device *cgs_device; 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; }; struct dc *dc_create(const struct dc_init_data *init_params); void dc_destroy(struct dc **dc); /******************************************************************************* * Surface Interfaces ******************************************************************************/ enum { TRANSFER_FUNC_POINTS = 1025 }; struct dc_hdr_static_metadata { bool is_hdr; /* 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, }; 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, }; struct dc_transfer_func { enum dc_transfer_func_type type; enum dc_transfer_func_predefined tf; struct dc_transfer_func_distributed_points tf_pts; }; struct dc_surface { bool visible; bool flip_immediate; struct dc_plane_address address; 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; enum dc_color_space color_space; enum surface_pixel_format format; enum dc_rotation_angle rotation; bool horizontal_mirror; enum plane_stereo_format stereo_format; struct dc_hdr_static_metadata hdr_static_ctx; const struct dc_gamma *gamma_correction; const struct dc_transfer_func *in_transfer_func; }; 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; bool horizontal_mirror; enum plane_stereo_format stereo_format; enum dc_color_space color_space; /*todo: wrong place, fits in scaling info*/ bool visible; }; 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 { const struct dc_surface *surface; /* isr safe update parameters. null means no updates */ struct dc_flip_addrs *flip_addr; struct dc_plane_info *plane_info; struct dc_scaling_info *scaling_info; /* following updates require alloc/sleep/spin that is not isr safe, * null means no updates */ /* gamma TO BE REMOVED */ struct dc_gamma *gamma; struct dc_hdr_static_metadata *hdr_static_metadata; struct dc_transfer_func *in_transfer_func; struct dc_transfer_func *out_transfer_func; }; /* * 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_surface_status { struct dc_plane_address requested_address; struct dc_plane_address current_address; bool is_flip_pending; }; /* * Create a new surface with default parameters; */ struct dc_surface *dc_create_surface(const struct dc *dc); const struct dc_surface_status *dc_surface_get_status( const struct dc_surface *dc_surface); void dc_surface_retain(const struct dc_surface *dc_surface); void dc_surface_release(const struct dc_surface *dc_surface); void dc_gamma_retain(const struct dc_gamma *dc_gamma); void dc_gamma_release(const struct dc_gamma **dc_gamma); struct dc_gamma *dc_create_gamma(void); void dc_transfer_func_retain(const struct dc_transfer_func *dc_tf); void dc_transfer_func_release(const 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; bool flip_immediate; /* TODO: DCC format info */ /* TODO: add flip duration for FreeSync */ }; /* * Optimized flip address update function. * * After this call: * Surface addresses and flip attributes are programmed. * Surface flip occur at next configured time (h_sync or v_sync flip) */ void dc_flip_surface_addrs(struct dc *dc, const struct dc_surface *const surfaces[], struct dc_flip_addrs flip_addrs[], uint32_t count); /* * Set up surface attributes and associate to a stream * The surfaces parameter is an absolute set of all surface active for the stream. * If no surfaces are provided, the stream will be blanked; no memory read. * Any flip related attribute changes must be done through this interface. * * After this call: * Surfaces attributes are programmed and configured to be composed into stream. * This does not trigger a flip. No surface address is programmed. */ bool dc_commit_surfaces_to_stream( struct dc *dc, const struct dc_surface **dc_surfaces, uint8_t surface_count, const struct dc_stream *stream); bool dc_pre_update_surfaces_to_stream( struct dc *dc, const struct dc_surface *const *new_surfaces, uint8_t new_surface_count, const struct dc_stream *stream); bool dc_post_update_surfaces_to_stream( struct dc *dc); void dc_update_surfaces_for_stream(struct dc *dc, struct dc_surface_update *updates, int surface_count, const struct dc_stream *stream); /******************************************************************************* * Stream Interfaces ******************************************************************************/ struct dc_stream { const struct dc_sink *sink; struct dc_crtc_timing timing; enum dc_color_space output_color_space; struct rect src; /* composition area */ struct rect dst; /* stream addressable area */ struct audio_info audio_info; bool ignore_msa_timing_param; struct freesync_context freesync_ctx; const struct dc_transfer_func *out_transfer_func; struct colorspace_transform gamut_remap_matrix; struct csc_transform csc_color_matrix; /* TODO: dithering */ /* TODO: custom INFO packets */ /* TODO: ABM info (DMCU) */ /* TODO: PSR info */ /* TODO: CEA VIC */ }; /* * Log the current stream state. */ void dc_stream_log( const struct dc_stream *stream, struct dal_logger *dc_logger, enum dc_log_type log_type); uint8_t dc_get_current_stream_count(const struct dc *dc); struct dc_stream *dc_get_stream_at_index(const struct dc *dc, uint8_t i); /* * Return the current frame counter. */ uint32_t dc_stream_get_vblank_counter(const struct dc_stream *stream); /* TODO: Return parsed values rather than direct register read * This has a dependency on the caller (amdgpu_get_crtc_scanoutpos) * being refactored properly to be dce-specific */ uint32_t dc_stream_get_scanoutpos( const struct dc_stream *stream, uint32_t *vbl, uint32_t *position); /* * Structure to store surface/stream associations for validation */ struct dc_validation_set { const struct dc_stream *stream; const struct dc_surface *surfaces[MAX_SURFACES]; uint8_t surface_count; }; /* * This function takes a set of resources and checks that they are cofunctional. * * After this call: * No hardware is programmed for call. Only validation is done. */ bool dc_validate_resources( const struct dc *dc, const struct dc_validation_set set[], uint8_t set_count); /* * This function takes a stream and checks if it is guaranteed to be supported. * Guaranteed means that MAX_COFUNC similar streams are supported. * * After this call: * No hardware is programmed for call. Only validation is done. */ bool dc_validate_guaranteed( const struct dc *dc, const struct dc_stream *stream); /* * 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_streams( struct dc *dc, const struct dc_stream *streams[], uint8_t stream_count); /** * Create a new default stream for the requested sink */ struct dc_stream *dc_create_stream_for_sink(const struct dc_sink *dc_sink); void dc_stream_retain(const struct dc_stream *dc_stream); void dc_stream_release(const struct dc_stream *dc_stream); struct dc_stream_status { int primary_otg_inst; int surface_count; const struct dc_surface *surfaces[MAX_SURFACE_NUM]; /* * link this stream passes through */ const struct dc_link *link; }; const struct dc_stream_status *dc_stream_get_status( const struct dc_stream *dc_stream); /******************************************************************************* * Link Interfaces ******************************************************************************/ /* * A link contains one or more sinks and their connected status. * The currently active signal type (HDMI, DP-SST, DP-MST) is also reported. */ struct dc_link { const struct dc_sink *remote_sinks[MAX_SINKS_PER_LINK]; unsigned int sink_count; const struct dc_sink *local_sink; unsigned int link_index; enum dc_connection_type type; enum signal_type connector_signal; enum dc_irq_source irq_source_hpd; enum dc_irq_source irq_source_hpd_rx;/* aka DP Short Pulse */ /* caps is the same as reported_link_cap. link_traing use * reported_link_cap. Will clean up. TODO */ struct dc_link_settings reported_link_cap; struct dc_link_settings verified_link_cap; struct dc_link_settings max_link_setting; struct dc_link_settings cur_link_settings; struct dc_lane_settings cur_lane_setting; uint8_t ddc_hw_inst; uint8_t link_enc_hw_inst; struct psr_caps psr_caps; bool test_pattern_enabled; union compliance_test_state compliance_test_state; }; struct dpcd_caps { union dpcd_rev dpcd_rev; union max_lane_count max_ln_count; union max_down_spread max_down_spread; /* dongle type (DP converter, CV smart dongle) */ enum display_dongle_type dongle_type; /* 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.*/ bool is_dp_hdmi_s3d_converter; bool allow_invalid_MSA_timing_param; bool panel_mode_edp; uint32_t sink_dev_id; uint32_t branch_dev_id; int8_t branch_dev_name[6]; int8_t branch_hw_revision; }; struct dc_link_status { struct dpcd_caps *dpcd_caps; }; const struct dc_link_status *dc_link_get_status(const struct dc_link *dc_link); /* * Return an enumerated dc_link. dc_link order is constant and determined at * boot time. They cannot be created or destroyed. * Use dc_get_caps() to get number of links. */ const struct dc_link *dc_get_link_at_index(const struct dc *dc, uint32_t link_index); /* Return id of physical connector represented by a dc_link at link_index.*/ const struct graphics_object_id dc_get_link_id_at_index( struct dc *dc, uint32_t link_index); /* Set backlight level of an embedded panel (eDP, LVDS). */ bool dc_link_set_backlight_level(const struct dc_link *dc_link, uint32_t level, uint32_t frame_ramp, const struct dc_stream *stream); bool dc_link_init_dmcu_backlight_settings(const struct dc_link *dc_link); bool dc_link_set_abm_level(const struct dc_link *dc_link, uint32_t level); bool dc_link_set_psr_enable(const struct dc_link *dc_link, bool enable); bool dc_link_setup_psr(const struct dc_link *dc_link, const struct dc_stream *stream); /* Request DC to detect if there is a Panel connected. * boot - If this call is during initial boot. * Return false for any type of detection failure or MST detection * true otherwise. True meaning further action is required (status update * and OS notification). */ bool dc_link_detect(const struct dc_link *dc_link, bool boot); /* Notify DC about DP RX Interrupt (aka Short Pulse Interrupt). * Return: * true - Downstream port status changed. DM should call DC to do the * detection. * false - no change in Downstream port status. No further action required * from DM. */ bool dc_link_handle_hpd_rx_irq(const struct dc_link *dc_link); struct dc_sink_init_data; struct dc_sink *dc_link_add_remote_sink( const struct dc_link *dc_link, const uint8_t *edid, int len, struct dc_sink_init_data *init_data); void dc_link_remove_remote_sink( const struct dc_link *link, const struct dc_sink *sink); /* Used by diagnostics for virtual link at the moment */ void dc_link_set_sink(const struct dc_link *link, struct dc_sink *sink); void dc_link_dp_set_drive_settings( struct dc_link *link, struct link_training_settings *lt_settings); bool dc_link_dp_perform_link_training( struct dc_link *link, const struct dc_link_settings *link_setting, bool skip_video_pattern); void dc_link_dp_enable_hpd(const struct dc_link *link); void dc_link_dp_disable_hpd(const struct dc_link *link); bool dc_link_dp_set_test_pattern( const struct dc_link *link, enum dp_test_pattern test_pattern, const struct link_training_settings *p_link_settings, const unsigned char *p_custom_pattern, unsigned int cust_pattern_size); /******************************************************************************* * Sink Interfaces - A sink corresponds to a display output device ******************************************************************************/ /* * 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 */ }; void dc_sink_retain(const struct dc_sink *sink); void dc_sink_release(const struct dc_sink *sink); const struct audio **dc_get_audios(struct dc *dc); struct dc_sink_init_data { enum signal_type sink_signal; const 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); /******************************************************************************* * Cursor interfaces - To manages the cursor within a stream ******************************************************************************/ /* TODO: Deprecated once we switch to dc_set_cursor_position */ bool dc_stream_set_cursor_attributes( const struct dc_stream *stream, const struct dc_cursor_attributes *attributes); bool dc_stream_set_cursor_position( const struct dc_stream *stream, const struct dc_cursor_position *position); /* 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); void dc_interrupt_set(const 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, enum dc_video_power_state video_power_state); void dc_resume(const struct dc *dc); /******************************************************************************* * DDC Interfaces ******************************************************************************/ const struct ddc_service *dc_get_ddc_at_index( struct dc *dc, uint32_t link_index); /* * DPCD access interfaces */ bool dc_read_dpcd( struct dc *dc, uint32_t link_index, uint32_t address, uint8_t *data, uint32_t size); bool dc_write_dpcd( struct dc *dc, uint32_t link_index, uint32_t address, const uint8_t *data, uint32_t size); bool dc_submit_i2c( struct dc *dc, uint32_t link_index, struct i2c_command *cmd); #endif /* DC_INTERFACE_H_ */