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/*
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/Types.h>
#include <Kernel/Bus/PCI/Device.h>
#include <Kernel/Graphics/GenericGraphicsAdapter.h>
#include <Kernel/Graphics/VMWare/Definitions.h>
#include <Kernel/IOWindow.h>
#include <Kernel/Locking/Spinlock.h>
#include <Kernel/Memory/PhysicalAddress.h>
#include <Kernel/Memory/TypedMapping.h>
namespace Kernel {
class GraphicsManagement;
class VMWareDisplayConnector;
class VMWareGraphicsAdapter final
: public GenericGraphicsAdapter
, public PCI::Device {
friend class GraphicsManagement;
public:
static ErrorOr<bool> probe(PCI::DeviceIdentifier const&);
static ErrorOr<NonnullLockRefPtr<GenericGraphicsAdapter>> create(PCI::DeviceIdentifier const&);
virtual ~VMWareGraphicsAdapter() = default;
virtual StringView device_name() const override { return "VMWareGraphicsAdapter"sv; }
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);
VMWareGraphicsAdapter(PCI::DeviceIdentifier const&, NonnullOwnPtr<IOWindow> registers_io_window);
Memory::TypedMapping<VMWareDisplayFIFORegisters volatile> m_fifo_registers;
LockRefPtr<VMWareDisplayConnector> m_display_connector;
mutable NonnullOwnPtr<IOWindow> m_registers_io_window;
mutable Spinlock<LockRank::None> m_io_access_lock {};
mutable RecursiveSpinlock<LockRank::None> m_operation_lock {};
};
}
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