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/*
* 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;
};
}
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