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/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <Kernel/FileSystem/SysFS/Component.h>
#include <Kernel/FileSystem/SysFS/Subsystems/Devices/Graphics/DisplayConnector/DeviceDirectory.h>
#include <Kernel/Graphics/DisplayConnector.h>
#include <Kernel/Library/KBuffer.h>
namespace Kernel {
class DisplayConnectorAttributeSysFSComponent : public SysFSComponent {
public:
enum class Type {
MutableModeSettingCapable,
DoubleFrameBufferingCapable,
FlushSupport,
PartialFlushSupport,
RefreshRateSupport,
EDID,
};
public:
static NonnullRefPtr<DisplayConnectorAttributeSysFSComponent> must_create(DisplayConnectorSysFSDirectory const& device_directory, Type);
virtual ErrorOr<size_t> read_bytes(off_t, size_t, UserOrKernelBuffer&, OpenFileDescription*) const override;
virtual ~DisplayConnectorAttributeSysFSComponent() {};
virtual StringView name() const override;
protected:
ErrorOr<NonnullOwnPtr<KBuffer>> try_to_generate_buffer() const;
DisplayConnectorAttributeSysFSComponent(DisplayConnectorSysFSDirectory const& device, Type);
NonnullRefPtr<DisplayConnector> m_device;
Type const m_type { Type::MutableModeSettingCapable };
};
}
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