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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/Bus/PCI/Device.h>
#include <Kernel/Graphics/Console/GenericFramebufferConsole.h>
#include <Kernel/Graphics/FramebufferDevice.h>
#include <Kernel/Graphics/GraphicsDevice.h>
#include <Kernel/Memory/TypedMapping.h>
#include <Kernel/PhysicalAddress.h>
namespace Kernel {
class GraphicsManagement;
struct BochsDisplayMMIORegisters;
class BochsGraphicsAdapter final : public GraphicsDevice
, public PCI::Device {
AK_MAKE_ETERNAL
friend class GraphicsManagement;
private:
TYPEDEF_DISTINCT_ORDERED_ID(u16, IndexID);
public:
static NonnullRefPtr<BochsGraphicsAdapter> initialize(PCI::DeviceIdentifier const&);
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::DeviceIdentifier const&);
IndexID index_id() const;
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);
void set_framebuffer_to_big_endian_format();
void set_framebuffer_to_little_endian_format();
PhysicalAddress m_mmio_registers;
Memory::TypedMapping<BochsDisplayMMIORegisters volatile> m_registers;
RefPtr<FramebufferDevice> m_framebuffer_device;
RefPtr<Graphics::GenericFramebufferConsole> m_framebuffer_console;
Spinlock m_console_mode_switch_lock;
bool m_console_enabled { false };
bool m_io_required { false };
bool m_is_vga_capable { false };
};
}
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