Kernel/Graphics: Move Bochs graphics related code into a separate folder

Kernel/Graphics/Bochs/GraphicsAdapter.h

@@ -0,0 +1,70 @@
+/*
+ * Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <AK/String.h>
+#include <AK/Types.h>
+#include <Kernel/Bus/PCI/DeviceController.h>
+#include <Kernel/Graphics/Console/GenericFramebufferConsole.h>
+#include <Kernel/Graphics/FramebufferDevice.h>
+#include <Kernel/Graphics/GraphicsDevice.h>
+#include <Kernel/PhysicalAddress.h>
+#include <Kernel/VM/TypedMapping.h>
+
+namespace Kernel {
+
+class BochsFramebufferDevice;
+class GraphicsManagement;
+struct BochsDisplayMMIORegisters;
+
+class BochsGraphicsAdapter final : public GraphicsDevice
+    , public PCI::DeviceController {
+    AK_MAKE_ETERNAL
+    friend class BochsFramebufferDevice;
+    friend class GraphicsManagement;
+
+public:
+    static NonnullRefPtr<BochsGraphicsAdapter> initialize(PCI::Address);
+    virtual ~BochsGraphicsAdapter() = default;
+    virtual bool framebuffer_devices_initialized() const override { return !m_framebuffer_device.is_null(); }
+
+    virtual bool modesetting_capable() const override { return true; }
+    virtual bool double_framebuffering_capable() const override { return true; }
+
+private:
+    // ^GraphicsDevice
+    virtual bool try_to_set_resolution(size_t output_port_index, size_t width, size_t height) override;
+    virtual bool set_y_offset(size_t output_port_index, size_t y) override;
+
+    virtual void initialize_framebuffer_devices() override;
+    virtual Type type() const override;
+
+    virtual void enable_consoles() override;
+    virtual void disable_consoles() override;
+
+    explicit BochsGraphicsAdapter(PCI::Address);
+
+    void set_safe_resolution();
+    void unblank();
+
+    bool validate_setup_resolution(size_t width, size_t height);
+    u32 find_framebuffer_address();
+    void set_resolution_registers(size_t width, size_t height);
+    void set_resolution_registers_via_io(size_t width, size_t height);
+    bool validate_setup_resolution_with_io(size_t width, size_t height);
+    void set_y_offset(size_t);
+
+    PhysicalAddress m_mmio_registers;
+    TypedMapping<BochsDisplayMMIORegisters volatile> m_registers;
+    RefPtr<FramebufferDevice> m_framebuffer_device;
+    RefPtr<Graphics::GenericFramebufferConsole> m_framebuffer_console;
+    SpinLock<u8> m_console_mode_switch_lock;
+    bool m_console_enabled { false };
+    bool m_io_required { false };
+};
+
+}