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/*
* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Try.h>
#include <Kernel/Graphics/Bochs/Definitions.h>
#include <Kernel/Graphics/Console/GenericFramebufferConsole.h>
#include <Kernel/Graphics/DisplayConnector.h>
#include <Kernel/Library/LockRefPtr.h>
#include <Kernel/Locking/Spinlock.h>
#include <Kernel/Memory/TypedMapping.h>
namespace Kernel {
struct BochsDisplayMMIORegisters;
class QEMUDisplayConnector final
: public DisplayConnector {
friend class BochsGraphicsAdapter;
friend class DeviceManagement;
public:
AK_TYPEDEF_DISTINCT_ORDERED_ID(u16, IndexID);
static NonnullLockRefPtr<QEMUDisplayConnector> must_create(PhysicalAddress framebuffer_address, size_t framebuffer_resource_size, Memory::TypedMapping<BochsDisplayMMIORegisters volatile>);
private:
IndexID index_id() const;
ErrorOr<void> fetch_and_initialize_edid();
ErrorOr<void> create_attached_framebuffer_console();
QEMUDisplayConnector(PhysicalAddress framebuffer_address, size_t framebuffer_resource_size, Memory::TypedMapping<BochsDisplayMMIORegisters volatile>);
virtual bool mutable_mode_setting_capable() const override final { return true; }
virtual bool double_framebuffering_capable() const override { return true; }
virtual ErrorOr<void> set_mode_setting(ModeSetting const&) override;
virtual ErrorOr<void> set_y_offset(size_t y) override;
virtual ErrorOr<void> set_safe_mode_setting() override final;
virtual ErrorOr<void> unblank() override;
virtual bool partial_flush_support() const override final { return false; }
virtual bool flush_support() const override final { return false; }
// Note: Paravirtualized hardware doesn't require a defined refresh rate for modesetting.
virtual bool refresh_rate_support() const override final { return false; }
virtual ErrorOr<void> flush_first_surface() override final;
void set_framebuffer_to_big_endian_format();
void set_framebuffer_to_little_endian_format();
virtual void enable_console() override final;
virtual void disable_console() override final;
LockRefPtr<Graphics::GenericFramebufferConsole> m_framebuffer_console;
Memory::TypedMapping<BochsDisplayMMIORegisters volatile> m_registers;
};
}
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