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https://github.com/RGBCube/serenity
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859ac200b7
The driver would crash if it was unable to find an output route, and subsequently the destruction of controller did not invoke `GenericInterruptHandler::will_be_destroyed()` because on the level of `AudioController`, that method is unavailable. By decoupling the interrupt handling from the controller, we get a new refcounted class that correctly cleans up after itself :^)
37 lines
824 B
C++
37 lines
824 B
C++
/*
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* Copyright (c) 2023, Jelle Raaijmakers <jelle@gmta.nl>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <AK/NonnullRefPtr.h>
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#include <Kernel/Interrupts/PCIIRQHandler.h>
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namespace Kernel::Audio::IntelHDA {
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class Controller;
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class InterruptHandler
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: public PCIIRQHandler
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, public RefCounted<InterruptHandler> {
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public:
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static ErrorOr<NonnullRefPtr<InterruptHandler>> create(Controller& controller)
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{
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return adopt_nonnull_ref_or_enomem(new (nothrow) InterruptHandler(controller));
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}
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// ^PCIIRQHandler
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virtual StringView purpose() const override { return "IntelHDA IRQ Handler"sv; }
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private:
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InterruptHandler(Controller& controller);
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// ^PCIIRQHandler
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virtual bool handle_irq(RegisterState const&) override;
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Controller& m_controller;
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};
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}
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