Kernel/Graphics: Implement basic support for VMWare SVGA adapter

Kernel/Graphics/VMWare/GraphicsAdapter.h

@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/Types.h>
+#include <Kernel/Arch/x86/IO.h>
+#include <Kernel/Bus/PCI/Device.h>
+#include <Kernel/Graphics/GenericGraphicsAdapter.h>
+#include <Kernel/Graphics/VMWare/Definitions.h>
+#include <Kernel/Locking/Spinlock.h>
+#include <Kernel/Memory/TypedMapping.h>
+#include <Kernel/PhysicalAddress.h>
+
+namespace Kernel {
+
+class GraphicsManagement;
+
+class VMWareDisplayConnector;
+class VMWareGraphicsAdapter final
+    : public GenericGraphicsAdapter
+    , public PCI::Device {
+    friend class GraphicsManagement;
+
+public:
+    static RefPtr<VMWareGraphicsAdapter> try_initialize(PCI::DeviceIdentifier const&);
+    virtual ~VMWareGraphicsAdapter() = default;
+
+    virtual bool vga_compatible() const override;
+
+    ErrorOr<void> modeset_primary_screen_resolution(Badge<VMWareDisplayConnector>, size_t width, size_t height);
+    size_t primary_screen_width(Badge<VMWareDisplayConnector>) const;
+    size_t primary_screen_height(Badge<VMWareDisplayConnector>) const;
+    size_t primary_screen_pitch(Badge<VMWareDisplayConnector>) const;
+    void primary_screen_flush(Badge<VMWareDisplayConnector>, size_t current_width, size_t current_height);
+
+private:
+    ErrorOr<void> initialize_adapter();
+    ErrorOr<void> initialize_fifo_registers();
+    ErrorOr<void> negotiate_device_version();
+
+    u32 read_io_register(VMWareDisplayRegistersOffset) const;
+    void write_io_register(VMWareDisplayRegistersOffset, u32 value);
+
+    void print_svga_capabilities() const;
+    void modeset_primary_screen_resolution(size_t width, size_t height);
+
+    explicit VMWareGraphicsAdapter(PCI::DeviceIdentifier const&);
+
+    Memory::TypedMapping<volatile VMWareDisplayFIFORegisters> m_fifo_registers;
+    RefPtr<VMWareDisplayConnector> m_display_connector;
+    const IOAddress m_io_registers_base;
+    mutable Spinlock m_io_access_lock;
+    mutable RecursiveSpinlock m_operation_lock;
+    bool m_is_vga_capable { false };
+};
+
+}