Namespaces

• namespace codecs

Enumerations

enum MsgTarget

enum MsgDir

enum GlobalType

enum ModuleMsgType

enum MsgStatus

enum NhltLinkType

enum NhltEndpointDirection

enum VRefEn

enum EPT

enum NotificationType

enum ResourceType

enum ResourceEventType

enum CodecParam

enum ProcDomain

enum SamplingFrequency

enum BitDepth

enum ChannelIndex

enum ChannelConfig

enum InterleavingStyle

enum SampleType

enum PipelineState

enum BaseFWParamType

enum FirmwareConfigType

enum HardwareConfigType

Records

• class AmpCaps

• class AudioDataFormat

• class AudioFunctionGroupCaps

• class AudioFunctionGroupState

• class AudioWidgetCaps

• class AudioWidgetState

• class BaseModuleCfg

• class BaseModuleCfgExt

• class BinaryDecoder

• class Channel

• class CodecCmdJob

• class CodecCommand

• class CodecResponse

• class CodecState

• class CodecVerb

• class ConfigDefaults

• class CopierCfg

• class CopierGatewayCfg

• class DspChannel

• class DspModule

• class DspModuleController

• class DspModuleId

• class DspPipelineId

• class DspStream

• class EAPDState

• class EndPointConfig

• class FakeController

• class FrameRateLut

• class FunctionGroupState

• class HardwareDspChannel

• class HdaCodecConnection

• class HdaControllerTest

• class HdaControllerTest_HardwareResetError_Class

• class HdaControllerTest_HardwareResetMiscellaneousBackboneDynamicClockGatingEnable_Class

• class HdaControllerTest_HardwareResetStateSts_Class

• class HdaStreamTest

• class HdaStreamTest2

• class HdaStreamTest2_GetStreamProperties_Class

• class HdaStreamTest2_SetAndGetGain_Class

• class HdaStreamTest2_WatchPlugState_Class

• class HdaStreamTest_GetStreamPropertiesDefaults_Class

• class HdaStreamTest_SetAndGetGainDefaults_Class

• class HdaStreamTest_WatchPlugStateDefaults_Class

• class IntelDsp

• class IntelDspCodeLoader

• class IntelDspStream

• class IntelHDABDLEntry

• class IntelHDACodec

• class IntelHDAController

• class IntelHDADevice

• class IntelHDAStream

• class IoPinFormat

• class IpcMessage

• class ModInstListInfo

• class ModemFunctionGroupState

• class ModuleEntry

• class ModulesInfo

• class Nhlt

• class PinCaps

• class PinSenseState

• class PinWidgetCtrlState

• class PipelineListInfo

• class PipelineProps

• class PowerState

• class RefCountedBti

• class ResourceEventData

• class RingBufferChannel

• class SampleCaps

• class SampleCountSink

• class SegmentDesc

• class SilenceGenerator

• class SstStreamTest

• class SstStreamTest_GetDaiFormats_Class

• class SstStreamTest_GetRingBufferFormats_Class

• class SstStreamTest_GetStreamProperties_Class

• class SstStreamTest_Reset_Class

• class SstStream_GetDaiFormats2_Class

• class StreamFormat

• class SystemAudioDevices

• class TLVHeader

• class TestCodec

• class TestIntelHDAController

• class TestStream

• class TestStream2

• class TestStreamCustom

• class UnsolicitedResponseState

• class VendorFunctionGroupState

• class ZirconDevice

• class acpi_table_header_t

• class format_config_t

• class formats_config_t

• class nhlt_descriptor_t

• class nhlt_guid_t

• class nhlt_table_t

• class skl_adspfw_ext_manifest_hdr_t

• class specific_config_t

Functions

• zx::result<fbl::String> GetBoardName ()

  Get the name of the board we are running on, such as

  "Standard PC (Q35 + ICH9, 2009)" (qemu) or "Eve" (Pixelbook).

  Defined at line 15 of file ../../src/media/audio/drivers/intel-hda/test/board_name.cc

• zx_status_t ProbeIntelHdaDevice (ZirconDevice * device, IntelHDADevice * result)

  Defined at line 15 of file ../../src/media/audio/bin/ihda/intel_hda_device.cc

• zx_status_t WaitCondition (zx_duration_t timeout, zx_duration_t poll_interval, WaitConditionFn cond, Clock * clock)

  Defined at line 23 of file ../../src/media/audio/drivers/lib/intel-hda/utils/utils.cc

• int main (int argc, const char ** argv)

  Defined at line 24 of file ../../src/media/audio/bin/ihda/ihda.cc

• fbl::RefPtr<fzl::VmarManager> CreateDriverVmars ()

  Create a set of driver-wide VMARs that we stash all of our register

  mappings in, in order to make efficient use of kernel PTEs

  Defined at line 26 of file ../../src/media/audio/drivers/intel-hda/controller/utils.cc

• zx::result<fbl::Vector<uint8_t>> ReadSpecificConfig (BinaryDecoder * decoder)

  Read a "specific config" NHLT section.

  This consists of a uint32_t |size| field, followed by |size| bytes of data.

  Defined at line 28 of file ../../src/media/audio/drivers/intel-hda/controller/nhlt.cc

• template <typename E>

  typename std::underlying_type<E>::type to_underlying (E e)

  Defined at line 39 of file ../../src/media/audio/drivers/lib/intel-hda/include/intel-hda/utils/utils.h

• template <typename T>

  zx_status_t ConvertHandle (zx::handle * abstract_handle, T * concrete_handle)

  Defined at line 58 of file ../../src/media/audio/drivers/lib/intel-hda/include/intel-hda/utils/utils.h

• zx::result<EndPointConfig> ParseDescriptor (const nhlt_descriptor_t & header, cpp20::span<const uint8_t> additional_bytes)

  Parse a NHLT descriptor.

  This consists of:

  * A header of type nhlt_descriptor.

  * A specific config block.

  * A byte specifying the number of formats.

  * N format blocks.

  Defined at line 67 of file ../../src/media/audio/drivers/intel-hda/controller/nhlt.cc

• void print_codec_state (const CodecState & codec)

  Defined at line 789 of file ../../src/media/audio/bin/ihda/print_codec_state.cc

• zx_status_t GetNhltBlob (const Nhlt & nhlt, uint8_t bus_id, uint8_t direction, uint8_t type, const AudioDataFormat & format, const void ** out_blob, size_t * out_size)

  Defined at line 155 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• zx::result<std::vector<uint8_t>> GetModuleConfig (const Nhlt & nhlt, uint8_t i2s_instance_id, uint8_t direction, uint8_t type, const CopierCfg & base_cfg)

  Defined at line 175 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• CopierCfg CreateGatewayCopierCfg (const AudioDataFormat & input, const AudioDataFormat & output, uint32_t gateway_node_id)

  Defined at line 129 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• SystemAudioDevices GetSystemAudioDevices ()

  Get the audio devices present in the system.

  Defined at line 81 of file ../../src/media/audio/drivers/intel-hda/test/audio_test_tools.cc

• zx_obj_type_t GetHandleType (const zx::handle & handle)

  Defined at line 100 of file ../../src/media/audio/drivers/lib/intel-hda/utils/utils.cc

• std::unique_ptr<audio::utils::AudioOutput> CreateAndOpenOutputStream (const char * device)

  Create and open an input/output audio device at |device|.

  Return nullptr on error.

  Defined at line 120 of file ../../src/media/audio/drivers/intel-hda/test/audio_test_tools.cc

• std::unique_ptr<audio::utils::AudioInput> CreateAndOpenInputStream (const char * device)

  Defined at line 124 of file ../../src/media/audio/drivers/intel-hda/test/audio_test_tools.cc

• zx::result<fbl::String> GetStreamConfigString (audio::utils::AudioDeviceStream * stream, audio_stream_string_id_t id)

  Fetch the string |id| from the given audio stream / device node.

  Defined at line 100 of file ../../src/media/audio/drivers/intel-hda/test/audio_test_tools.cc

• std::unique_ptr<DspChannel> CreateHardwareDspChannel (fbl::String log_prefix, MMIO_PTR adsp_registers_t * regs, std::optional<std::function<void (NotificationType)>> notification_callback, zx::duration hardware_timeout)

  Create a new DspChannel backed by real hardware.

  Defined at line 390 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-ipc.cc

• zx_status_t MakeFormatRangeList (const SampleCaps & sample_caps, uint32_t max_channels, fbl::Vector<audio_stream_format_range_t> * ranges)

  Generate a vector of audio stream format ranges given the supplied sample

  capabilities and max channels.

  Defined at line 112 of file ../../src/media/audio/drivers/lib/intel-hda/utils/utils.cc

• zx_status_t MakeNewSampleCaps (const SampleCaps & old_sample_caps, const edid::ShortAudioDescriptor[] sad_list, const size_t sad_count, SampleCaps & new_sample_caps)

  Generates new SampleCaps by performing a logical "and" based on an exisiting SampleCaps and

  and ranges.

  Defined at line 225 of file ../../src/media/audio/drivers/lib/intel-hda/utils/utils.cc

• zx::result<DspPipelineId> CreateSimplePipeline (DspModuleController * controller, std::initializer_list<DspModule> modules)

  Construct a simple pipeline, consisting of a series of modules in

  a straight line:

  A --> B --> C --> D

  Modules should be listed in source to sink order. Each module will be

  joined to the previous module, connecting output pin 0 to input pin 0.

  Defined at line 243 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-modules.cc

• zx::result<std::map<fbl::String, std::unique_ptr<ModuleEntry>>> ParseModules (cpp20::span<const uint8_t> data)

  Exposed for testing.

  Defined at line 68 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-modules.cc

• bool operator== (const HdaVersion & left, const HdaVersion & right)

  Defined at line 88 of file ../../src/media/audio/drivers/intel-hda/controller/intel-hda-controller.h

• bool operator!= (const HdaVersion & left, const HdaVersion & right)

  Defined at line 91 of file ../../src/media/audio/drivers/intel-hda/controller/intel-hda-controller.h

• bool IsIntelHdaDevicePresent ()

  Defined at line 95 of file ../../src/media/audio/drivers/intel-hda/test/audio_test_tools.cc

• uint32_t AudioBytesPerSec (const AudioDataFormat & format)

  Defined at line 107 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• CopierCfg CreateCopierCfg (AudioDataFormat input, AudioDataFormat output)

  Defined at line 112 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• std::vector<uint8_t> RawBytesOf (const uint8_t * object, size_t size)

  Copy the given ranges of bytes into a new std::vector

  <uint8

  _t>.

  Defined at line 142 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• template <size_t BufferSize>

  fbl::String ParseUnpaddedString (const char (&)[BufferSize] s)

  Parse a string in an array, where the string may either:

  * Be NUL terminated; or

  * Take up all the elements of the array, and have no NUL termination.

  Defined at line 148 of file ../../src/media/audio/drivers/intel-hda/controller/binary_decoder.h

• template <typename T>

  std::vector<uint8_t> RawBytesOf (const T * object)

  Copy the underlying bytes of the given object to a new std::vector

  <uint8

  _t>.

  Defined at line 151 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• template <size_t BufferSize>

  fbl::String ParseUnpaddedString (const uint8_t (&)[BufferSize] s)

  Defined at line 152 of file ../../src/media/audio/drivers/intel-hda/controller/binary_decoder.h

• zx::result<DspPipelineId> ConnectHostToI2S (const Nhlt & nhlt, DspModuleController * controller, uint16_t copier_module_id, uint32_t host_gateway_id, uint32_t i2s_gateway_id, uint8_t i2s_bus, const AudioDataFormat & i2s_format)

  Create a pieline transferring data from the host to an I2S bus.

  The I2S device must be present in the given NHLT table.

  Defined at line 219 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• zx::result<DspPipelineId> ConnectI2SToHost (const Nhlt & nhlt, DspModuleController * controller, uint16_t copier_module_id, uint32_t i2s_gateway_id, uint8_t i2s_bus, uint32_t host_gateway_id, const AudioDataFormat & i2s_format)

  Create a pieline transferring data from the I2S bus to the host.

  The I2S device must be present in the given NHLT table.

  Defined at line 243 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• zx::result<uint16_t> GetModuleId (DspModuleController * controller, const char * name)

  Get the module ID corresponding of the given module name.

  Defined at line 264 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• zx::result<std::vector<DspStream>> SetUpPixelbookEvePipelines (const Nhlt & nhlt, DspModuleController * controller)

  Defined at line 297 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• zx::result<DspPipelineId> ConnectAtlasDmicToHost (const Nhlt & nhlt, DspModuleController * controller, uint16_t copier_module_id, uint32_t host_gateway_id, uint32_t dmic_gateway_id, uint8_t dmic_bus)

  Defined at line 392 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc

• zx::result<std::vector<DspStream>> SetUpPixelbookAtlasPipelines (const Nhlt & nhltDspModuleController * controller)

  Defined at line 414 of file ../../src/media/audio/drivers/intel-hda/controller/intel-dsp-topology.cc