mirror of
https://github.com/RGBCube/serenity
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4c506f91fe
When GraphicsManagement initializes the drivers we can disable the bootloader framebuffer console. Right now we don't yet fully destroy the no longer needed console as it may be in use by another CPU.
86 lines
3.2 KiB
C++
86 lines
3.2 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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#include <Kernel/Graphics/Console/ContiguousFramebufferConsole.h>
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#include <Kernel/Graphics/Console/TextModeConsole.h>
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#include <Kernel/Graphics/GraphicsManagement.h>
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#include <Kernel/Graphics/VGACompatibleAdapter.h>
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#include <Kernel/Sections.h>
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namespace Kernel {
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UNMAP_AFTER_INIT NonnullRefPtr<VGACompatibleAdapter> VGACompatibleAdapter::initialize_with_preset_resolution(PCI::DeviceIdentifier const& pci_device_identifier, PhysicalAddress m_framebuffer_address, size_t framebuffer_width, size_t framebuffer_height, size_t framebuffer_pitch)
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{
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return adopt_ref(*new VGACompatibleAdapter(pci_device_identifier.address(), m_framebuffer_address, framebuffer_width, framebuffer_height, framebuffer_pitch));
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}
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UNMAP_AFTER_INIT NonnullRefPtr<VGACompatibleAdapter> VGACompatibleAdapter::initialize(PCI::DeviceIdentifier const& pci_device_identifier)
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{
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return adopt_ref(*new VGACompatibleAdapter(pci_device_identifier.address()));
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}
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UNMAP_AFTER_INIT void VGACompatibleAdapter::initialize_framebuffer_devices()
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{
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// We might not have any pre-set framebuffer, so if that's the case - don't try to initialize one.
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if (m_framebuffer_address.is_null())
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return;
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VERIFY(m_framebuffer_width);
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VERIFY(m_framebuffer_width != 0);
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VERIFY(m_framebuffer_height != 0);
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VERIFY(m_framebuffer_pitch != 0);
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m_framebuffer_device = FramebufferDevice::create(*this, m_framebuffer_address, m_framebuffer_width, m_framebuffer_height, m_framebuffer_pitch);
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// FIXME: Would be nice to be able to return ErrorOr<void> here.
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VERIFY(!m_framebuffer_device->try_to_initialize().is_error());
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}
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UNMAP_AFTER_INIT VGACompatibleAdapter::VGACompatibleAdapter(PCI::Address address)
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: PCI::Device(address)
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{
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m_framebuffer_console = Graphics::TextModeConsole::initialize(*this);
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GraphicsManagement::the().set_console(*m_framebuffer_console);
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}
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UNMAP_AFTER_INIT VGACompatibleAdapter::VGACompatibleAdapter(PCI::Address address, PhysicalAddress framebuffer_address, size_t framebuffer_width, size_t framebuffer_height, size_t framebuffer_pitch)
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: PCI::Device(address)
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, m_framebuffer_address(framebuffer_address)
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, m_framebuffer_width(framebuffer_width)
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, m_framebuffer_height(framebuffer_height)
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, m_framebuffer_pitch(framebuffer_pitch)
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{
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m_framebuffer_console = Graphics::ContiguousFramebufferConsole::initialize(framebuffer_address, framebuffer_width, framebuffer_height, framebuffer_pitch);
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GraphicsManagement::the().set_console(*m_framebuffer_console);
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}
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void VGACompatibleAdapter::enable_consoles()
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{
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VERIFY(m_framebuffer_console);
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if (m_framebuffer_device)
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m_framebuffer_device->deactivate_writes();
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m_framebuffer_console->enable();
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}
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void VGACompatibleAdapter::disable_consoles()
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{
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VERIFY(m_framebuffer_device);
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VERIFY(m_framebuffer_console);
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m_framebuffer_console->disable();
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m_framebuffer_device->activate_writes();
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}
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bool VGACompatibleAdapter::try_to_set_resolution(size_t, size_t, size_t)
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{
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return false;
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}
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bool VGACompatibleAdapter::set_y_offset(size_t, size_t)
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{
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return false;
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}
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ErrorOr<ByteBuffer> VGACompatibleAdapter::get_edid(size_t) const
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{
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return Error::from_errno(ENOTSUP);
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}
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}
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