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/*
* Copyright (c) 2022, the SerenityOS developers.
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/FixedPoint.h>
#include <AK/Optional.h>
#include <AK/Types.h>
namespace EDID {
class DMT final {
public:
struct CVT {
u8 bytes[3];
};
struct MonitorTiming {
enum class ScanType : u8 {
NonInterlaced,
Interlaced
};
enum class CVTCompliance : u8 {
NotCompliant,
Compliant,
CompliantReducedBlanking,
CompliantReducedBlankingV2,
};
u8 dmt_id;
u8 std_bytes[2];
u8 char_width_pixels;
u16 horizontal_pixels;
u16 vertical_lines;
u32 horizontal_frequency_hz;
u32 vertical_frequency_millihz;
u32 pixel_clock_khz;
u8 horizontal_front_porch_pixels;
u8 vertical_front_porch_lines;
u16 horizontal_blank_pixels;
u16 vertical_blank_lines;
u16 horizontal_sync_time_pixels;
u8 vertical_sync_time_lines;
CVTCompliance cvt_compliance { CVTCompliance::NotCompliant };
u8 cvt_bytes[3] {};
ScanType scan_type { ScanType::NonInterlaced };
ALWAYS_INLINE bool has_std() const { return std_bytes[0] != 0; }
ALWAYS_INLINE bool has_cvt() const { return cvt_bytes[0] != 0; }
FixedPoint<16, u32> horizontal_frequency_khz() const;
FixedPoint<16, u32> vertical_frequency_hz() const;
u32 refresh_rate_hz() const;
#ifndef KERNEL
String name() const;
#endif
};
static MonitorTiming const* find_timing_by_dmt_id(u8);
static MonitorTiming const* find_timing_by_std_id(u8, u8);
static MonitorTiming const* find_timing_by_cvt(CVT);
};
}
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