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190cf1507b
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules "The compiler is more likely to get the default semantics right and you cannot implement these functions better than the compiler."
43 lines
1.3 KiB
C++
43 lines
1.3 KiB
C++
/*
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* Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il>
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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 <Kernel/Devices/CharacterDevice.h>
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#include <Kernel/Interrupts/IRQHandler.h>
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#include <Kernel/Memory/PhysicalPage.h>
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#include <Kernel/PhysicalAddress.h>
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#include <Kernel/WaitQueue.h>
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namespace Kernel {
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class AudioController;
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class AudioChannel final
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: public CharacterDevice {
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friend class DeviceManagement;
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public:
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static NonnullRefPtr<AudioChannel> must_create(AudioController const&, size_t channel_index);
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virtual ~AudioChannel() override = default;
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// ^CharacterDevice
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virtual bool can_read(const OpenFileDescription&, u64) const override;
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virtual ErrorOr<size_t> read(OpenFileDescription&, u64, UserOrKernelBuffer&, size_t) override;
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virtual ErrorOr<size_t> write(OpenFileDescription&, u64, const UserOrKernelBuffer&, size_t) override;
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virtual bool can_write(const OpenFileDescription&, u64) const override { return true; }
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virtual ErrorOr<void> ioctl(OpenFileDescription&, unsigned, Userspace<void*>) override;
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private:
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AudioChannel(AudioController const&, size_t channel_index);
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// ^CharacterDevice
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virtual StringView class_name() const override { return "AudioChannel"sv; }
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WeakPtr<AudioController> m_controller;
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const size_t m_channel_index;
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};
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}
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