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/*
* Copyright (c) 2020, Liav A. <liavalb@hotmail.co.il>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#pragma once
#include <AK/RefCounted.h>
#include <AK/String.h>
#include <AK/Types.h>
namespace Kernel {
enum class IRQControllerType {
i8259 = 1, /* Intel 8259 Dual PIC */
i82093AA = 2 /* Intel 82093AA I/O ADVANCED PROGRAMMABLE INTERRUPT CONTROLLER (IOAPIC) */
};
class IRQController : public RefCounted<IRQController> {
public:
virtual ~IRQController() = default;
virtual void enable(const GenericInterruptHandler&) = 0;
virtual void disable(const GenericInterruptHandler&) = 0;
virtual void hard_disable() { m_hard_disabled = true; }
virtual bool is_vector_enabled(u8 number) const = 0;
virtual bool is_enabled() const = 0;
bool is_hard_disabled() const { return m_hard_disabled; }
virtual void eoi(const GenericInterruptHandler&) const = 0;
virtual void spurious_eoi(const GenericInterruptHandler&) const = 0;
virtual size_t interrupt_vectors_count() const = 0;
virtual u32 gsi_base() const = 0;
virtual u16 get_isr() const = 0;
virtual u16 get_irr() const = 0;
virtual StringView model() const = 0;
virtual IRQControllerType type() const = 0;
protected:
IRQController() = default;
virtual void initialize() = 0;
bool m_hard_disabled { false };
};
}
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