mirror of
https://github.com/RGBCube/serenity
synced 2025-10-31 12:32:43 +00:00
7c0540a229
This has KString, KBuffer, DoubleBuffer, KBufferBuilder, IOWindow, UserOrKernelBuffer and ScopedCritical classes being moved to the Kernel/Library subdirectory. Also, move the panic and assertions handling code to that directory.
85 lines
2.8 KiB
C++
85 lines
2.8 KiB
C++
/*
|
||
* Copyright (c) 2023, Jelle Raaijmakers <jelle@gmta.nl>
|
||
*
|
||
* SPDX-License-Identifier: BSD-2-Clause
|
||
*/
|
||
|
||
#pragma once
|
||
|
||
#include <AK/Error.h>
|
||
#include <AK/NonnullOwnPtr.h>
|
||
#include <AK/NonnullRefPtr.h>
|
||
#include <AK/RefPtr.h>
|
||
#include <AK/Vector.h>
|
||
#include <Kernel/Bus/PCI/Device.h>
|
||
#include <Kernel/Devices/Audio/Channel.h>
|
||
#include <Kernel/Devices/Audio/Controller.h>
|
||
#include <Kernel/Devices/Audio/IntelHDA/OutputPath.h>
|
||
#include <Kernel/Devices/Audio/IntelHDA/RingBuffer.h>
|
||
#include <Kernel/Library/IOWindow.h>
|
||
|
||
namespace Kernel::Audio::IntelHDA {
|
||
|
||
// Specification: https://www.intel.com/content/dam/www/public/us/en/documents/product-specifications/high-definition-audio-specification.pdf
|
||
|
||
class Codec;
|
||
|
||
class Controller final
|
||
: public AudioController
|
||
, public PCI::Device {
|
||
public:
|
||
static ErrorOr<bool> probe(PCI::DeviceIdentifier const&);
|
||
static ErrorOr<NonnullRefPtr<AudioController>> create(PCI::DeviceIdentifier const&);
|
||
virtual ~Controller() = default;
|
||
|
||
// ^PCI::Device
|
||
virtual StringView device_name() const override { return "IntelHDA"sv; }
|
||
|
||
ErrorOr<u32> send_command(u8 codec_address, u8 node_id, CodecControlVerb verb, u16 payload);
|
||
|
||
private:
|
||
static constexpr size_t fixed_audio_channel_index = 0;
|
||
|
||
// 3.3: High Definition Audio Controller Register Set
|
||
enum ControllerRegister : u8 {
|
||
GlobalCapabilities = 0x00,
|
||
VersionMinor = 0x02,
|
||
VersionMajor = 0x03,
|
||
GlobalControl = 0x08,
|
||
StateChangeStatus = 0x0e,
|
||
CommandOutboundRingBufferOffset = 0x40,
|
||
ResponseInboundRingBufferOffset = 0x50,
|
||
StreamsOffset = 0x80,
|
||
};
|
||
|
||
// 3.3.7: GCTL – Global Control
|
||
enum GlobalControlFlag : u32 {
|
||
ControllerReset = 1u << 0,
|
||
AcceptUnsolicitedResponseEnable = 1u << 8,
|
||
};
|
||
|
||
Controller(PCI::DeviceIdentifier const&, NonnullOwnPtr<IOWindow>);
|
||
|
||
ErrorOr<void> initialize_codec(u8 codec_address);
|
||
ErrorOr<void> configure_output_route();
|
||
ErrorOr<void> reset();
|
||
|
||
// ^AudioController
|
||
virtual RefPtr<AudioChannel> audio_channel(u32 index) const override;
|
||
virtual ErrorOr<size_t> write(size_t channel_index, UserOrKernelBuffer const& data, size_t length) override;
|
||
virtual ErrorOr<void> initialize(Badge<AudioManagement>) override;
|
||
virtual ErrorOr<void> set_pcm_output_sample_rate(size_t channel_index, u32 samples_per_second_rate) override;
|
||
virtual ErrorOr<u32> get_pcm_output_sample_rate(size_t channel_index) override;
|
||
|
||
NonnullOwnPtr<IOWindow> m_controller_io_window;
|
||
u8 m_number_of_output_streams;
|
||
u8 m_number_of_input_streams;
|
||
u8 m_number_of_bidirectional_streams;
|
||
OwnPtr<CommandOutboundRingBuffer> m_command_buffer;
|
||
OwnPtr<ResponseInboundRingBuffer> m_response_buffer;
|
||
Vector<NonnullRefPtr<Codec>> m_codecs {};
|
||
OwnPtr<OutputPath> m_output_path;
|
||
RefPtr<AudioChannel> m_audio_channel;
|
||
};
|
||
|
||
}
|