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/*
* 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/Graphics/Console/FramebufferConsole.h>
#include <Kernel/Graphics/FramebufferDevice.h>
#include <Kernel/Graphics/GraphicsDevice.h>
#include <Kernel/PCI/DeviceController.h>
#include <Kernel/PhysicalAddress.h>
namespace Kernel {
class BochsFramebufferDevice;
class GraphicsManagement;
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();
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_y_offset(size_t);
PhysicalAddress m_mmio_registers;
RefPtr<FramebufferDevice> m_framebuffer_device;
RefPtr<Graphics::FramebufferConsole> m_framebuffer_console;
SpinLock<u8> m_console_mode_switch_lock;
bool m_console_enabled { false };
};
}
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