/* * Copyright (c) 2022, Liav A. <liavalb@hotmail.co.il> * * SPDX-License-Identifier: BSD-2-Clause */ #pragma once #include <AK/IntrusiveList.h> #include <AK/OwnPtr.h> #include <AK/RefPtr.h> #include <Kernel/Bus/PCI/Access.h> #include <Kernel/Bus/PCI/Device.h> #include <Kernel/Devices/Audio/Channel.h> #include <Kernel/Devices/Device.h> #include <Kernel/Library/LockWeakable.h> #include <Kernel/Locking/Mutex.h> #include <Kernel/Memory/PhysicalPage.h> #include <Kernel/PhysicalAddress.h> #include <Kernel/Random.h> namespace Kernel { class AudioManagement; class AudioController : public AtomicRefCounted<AudioController> , public LockWeakable<AudioController> { friend class AudioManagement; public: virtual ~AudioController() = default; virtual RefPtr<AudioChannel> audio_channel(u32 index) const = 0; virtual ErrorOr<size_t> write(size_t channel_index, UserOrKernelBuffer const& data, size_t length) = 0; virtual ErrorOr<void> initialize(Badge<AudioManagement>) = 0; virtual ErrorOr<void> set_pcm_output_sample_rate(size_t channel_index, u32 samples_per_second_rate) = 0; // Note: The return value is rate of samples per second virtual ErrorOr<u32> get_pcm_output_sample_rate(size_t channel_index) = 0; private: IntrusiveListNode<AudioController, NonnullRefPtr<AudioController>> m_node; }; }