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Kernel/Graphics: Implement basic support for VMWare SVGA adapter
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11 changed files with 640 additions and 1 deletions
61
Kernel/Graphics/VMWare/GraphicsAdapter.h
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61
Kernel/Graphics/VMWare/GraphicsAdapter.h
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/*
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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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#include <Kernel/Arch/x86/IO.h>
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#include <Kernel/Bus/PCI/Device.h>
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#include <Kernel/Graphics/GenericGraphicsAdapter.h>
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#include <Kernel/Graphics/VMWare/Definitions.h>
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#include <Kernel/Locking/Spinlock.h>
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#include <Kernel/Memory/TypedMapping.h>
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#include <Kernel/PhysicalAddress.h>
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namespace Kernel {
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class GraphicsManagement;
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class VMWareDisplayConnector;
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class VMWareGraphicsAdapter final
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: public GenericGraphicsAdapter
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, public PCI::Device {
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friend class GraphicsManagement;
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public:
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static RefPtr<VMWareGraphicsAdapter> try_initialize(PCI::DeviceIdentifier const&);
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virtual ~VMWareGraphicsAdapter() = default;
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virtual bool vga_compatible() const override;
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ErrorOr<void> modeset_primary_screen_resolution(Badge<VMWareDisplayConnector>, size_t width, size_t height);
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size_t primary_screen_width(Badge<VMWareDisplayConnector>) const;
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size_t primary_screen_height(Badge<VMWareDisplayConnector>) const;
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size_t primary_screen_pitch(Badge<VMWareDisplayConnector>) const;
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void primary_screen_flush(Badge<VMWareDisplayConnector>, size_t current_width, size_t current_height);
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private:
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ErrorOr<void> initialize_adapter();
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ErrorOr<void> initialize_fifo_registers();
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ErrorOr<void> negotiate_device_version();
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u32 read_io_register(VMWareDisplayRegistersOffset) const;
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void write_io_register(VMWareDisplayRegistersOffset, u32 value);
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void print_svga_capabilities() const;
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void modeset_primary_screen_resolution(size_t width, size_t height);
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explicit VMWareGraphicsAdapter(PCI::DeviceIdentifier const&);
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Memory::TypedMapping<volatile VMWareDisplayFIFORegisters> m_fifo_registers;
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RefPtr<VMWareDisplayConnector> m_display_connector;
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const IOAddress m_io_registers_base;
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mutable Spinlock m_io_access_lock;
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mutable RecursiveSpinlock m_operation_lock;
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bool m_is_vga_capable { false };
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};
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}
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