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Kernel/Graphics: Implement basic support for VMWare SVGA adapter

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Liav A 2022-03-18 16:46:55 +02:00 committed by Linus Groh
parent 530aa51816
commit 340773ddb7
11 changed files with 640 additions and 1 deletions

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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/Arch/x86/IO.h>
#include <Kernel/Bus/PCI/Device.h>
#include <Kernel/Graphics/GenericGraphicsAdapter.h>
#include <Kernel/Graphics/VMWare/Definitions.h>
#include <Kernel/Locking/Spinlock.h>
#include <Kernel/Memory/TypedMapping.h>
#include <Kernel/PhysicalAddress.h>
namespace Kernel {
class GraphicsManagement;
class VMWareDisplayConnector;
class VMWareGraphicsAdapter final
: public GenericGraphicsAdapter
, public PCI::Device {
friend class GraphicsManagement;
public:
static RefPtr<VMWareGraphicsAdapter> try_initialize(PCI::DeviceIdentifier const&);
virtual ~VMWareGraphicsAdapter() = default;
virtual bool vga_compatible() const override;
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);
explicit VMWareGraphicsAdapter(PCI::DeviceIdentifier const&);
Memory::TypedMapping<volatile VMWareDisplayFIFORegisters> m_fifo_registers;
RefPtr<VMWareDisplayConnector> m_display_connector;
const IOAddress m_io_registers_base;
mutable Spinlock m_io_access_lock;
mutable RecursiveSpinlock m_operation_lock;
bool m_is_vga_capable { false };
};
}