mirror of
https://github.com/RGBCube/serenity
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cc92538d49
We simply modeset the resolution after determining the preferred resolution after getting the EDID from the attached display.
85 lines
1.6 KiB
C++
85 lines
1.6 KiB
C++
/*
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* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/Types.h>
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namespace Kernel::Graphics {
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struct Timings {
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size_t blanking_start() const
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{
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return active;
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}
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size_t blanking_end() const
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{
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return total;
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}
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size_t active;
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size_t sync_start;
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size_t sync_end;
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size_t total;
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};
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struct Modesetting {
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size_t pixel_clock_in_khz;
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Timings horizontal;
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Timings vertical;
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};
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struct [[gnu::packed]] StandardTimings {
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u8 resolution;
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u8 frequency;
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};
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struct [[gnu::packed]] DetailTimings {
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u16 pixel_clock;
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u8 horizontal_active;
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u8 horizontal_blank;
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u8 horizontal_active_blank_msb;
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u8 vertical_active;
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u8 vertical_blank;
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u8 vertical_active_blank_msb;
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u8 horizontal_sync_offset;
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u8 horizontal_sync_pulse;
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u8 vertical_sync;
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u8 sync_msb;
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u8 dimension_width;
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u8 dimension_height;
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u8 dimension_msb;
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u8 horizontal_border;
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u8 vertical_border;
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u8 features;
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};
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struct [[gnu::packed]] VideoInfoBlock {
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u64 padding;
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u16 manufacture_id;
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u16 product_id;
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u32 serial_number;
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u8 manufacture_week;
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u8 manufacture_year;
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u8 edid_version;
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u8 edid_revision;
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u8 video_input_type;
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u8 max_horizontal_size;
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u8 max_vertical_size;
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u8 gama_factor;
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u8 dpms_flags;
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u8 chroma_info[10];
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u8 established_timing[2];
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u8 manufacture_reserved_timings;
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StandardTimings timings[8];
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DetailTimings details[4];
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u8 unused;
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u8 checksum;
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};
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static_assert(sizeof(VideoInfoBlock) == 128);
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}
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