DeviceDirectory.cpp 2.4 KB

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  1. /*
  2. * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
  3. *
  4. * SPDX-License-Identifier: BSD-2-Clause
  5. */
  6. #include <Kernel/Bus/PCI/API.h>
  7. #include <Kernel/Bus/PCI/Access.h>
  8. #include <Kernel/Debug.h>
  9. #include <Kernel/FileSystem/SysFS/Subsystems/Devices/Graphics/DisplayConnector/DeviceAttribute.h>
  10. #include <Kernel/FileSystem/SysFS/Subsystems/Devices/Graphics/DisplayConnector/DeviceDirectory.h>
  11. #include <Kernel/Graphics/DisplayConnector.h>
  12. #include <Kernel/Sections.h>
  13. namespace Kernel {
  14. DisplayConnector const& DisplayConnectorSysFSDirectory::device(Badge<DisplayConnectorAttributeSysFSComponent>) const
  15. {
  16. return *m_device;
  17. }
  18. UNMAP_AFTER_INIT NonnullRefPtr<DisplayConnectorSysFSDirectory> DisplayConnectorSysFSDirectory::create(SysFSDirectory const& parent_directory, DisplayConnector const& device)
  19. {
  20. // FIXME: Handle allocation failure gracefully
  21. auto device_name = MUST(KString::formatted("{}", device.minor()));
  22. auto directory = adopt_ref(*new (nothrow) DisplayConnectorSysFSDirectory(move(device_name), parent_directory, device));
  23. MUST(directory->m_child_components.with([&](auto& list) -> ErrorOr<void> {
  24. list.append(DisplayConnectorAttributeSysFSComponent::must_create(*directory, DisplayConnectorAttributeSysFSComponent::Type::MutableModeSettingCapable));
  25. list.append(DisplayConnectorAttributeSysFSComponent::must_create(*directory, DisplayConnectorAttributeSysFSComponent::Type::DoubleFrameBufferingCapable));
  26. list.append(DisplayConnectorAttributeSysFSComponent::must_create(*directory, DisplayConnectorAttributeSysFSComponent::Type::FlushSupport));
  27. list.append(DisplayConnectorAttributeSysFSComponent::must_create(*directory, DisplayConnectorAttributeSysFSComponent::Type::PartialFlushSupport));
  28. list.append(DisplayConnectorAttributeSysFSComponent::must_create(*directory, DisplayConnectorAttributeSysFSComponent::Type::RefreshRateSupport));
  29. list.append(DisplayConnectorAttributeSysFSComponent::must_create(*directory, DisplayConnectorAttributeSysFSComponent::Type::EDID));
  30. return {};
  31. }));
  32. return directory;
  33. }
  34. UNMAP_AFTER_INIT DisplayConnectorSysFSDirectory::DisplayConnectorSysFSDirectory(NonnullOwnPtr<KString> device_directory_name, SysFSDirectory const& parent_directory, DisplayConnector const& device)
  35. : SysFSDirectory(parent_directory)
  36. , m_device(device)
  37. , m_device_directory_name(move(device_directory_name))
  38. {
  39. }
  40. }