HdaControllerHdaIo.c File Reference

#include "HdaController.h"
#include <IndustryStandard/HdaRegisters.h>

Go to the source code of this file.

Functions
EFI_STATUS EFIAPI	HdaControllerHdaIoGetAddress (IN EFI_HDA_IO_PROTOCOL *This, OUT UINT8 *CodecAddress)
EFI_STATUS EFIAPI	HdaControllerHdaIoSendCommand (IN EFI_HDA_IO_PROTOCOL *This, IN UINT8 Node, IN UINT32 Verb, OUT UINT32 *Response)
EFI_STATUS EFIAPI	HdaControllerHdaIoSendCommands (IN EFI_HDA_IO_PROTOCOL *This, IN UINT8 Node, IN EFI_HDA_IO_VERB_LIST *Verbs)
EFI_STATUS EFIAPI	HdaControllerHdaIoSetupStream (IN EFI_HDA_IO_PROTOCOL *This, IN EFI_HDA_IO_PROTOCOL_TYPE Type, IN UINT16 Format, OUT UINT8 *StreamId)
EFI_STATUS EFIAPI	HdaControllerHdaIoCloseStream (IN EFI_HDA_IO_PROTOCOL *This, IN EFI_HDA_IO_PROTOCOL_TYPE Type)
EFI_STATUS EFIAPI	HdaControllerHdaIoGetStream (IN EFI_HDA_IO_PROTOCOL *This, IN EFI_HDA_IO_PROTOCOL_TYPE Type, OUT BOOLEAN *State)
EFI_STATUS EFIAPI	HdaControllerHdaIoStartStream (IN EFI_HDA_IO_PROTOCOL *This, IN EFI_HDA_IO_PROTOCOL_TYPE Type, IN VOID *Buffer, IN UINTN BufferLength, IN UINTN BufferPosition OPTIONAL, IN EFI_HDA_IO_STREAM_CALLBACK Callback OPTIONAL, IN VOID *Context1 OPTIONAL, IN VOID *Context2 OPTIONAL, IN VOID *Context3 OPTIONAL)
EFI_STATUS EFIAPI	HdaControllerHdaIoStopStream (IN EFI_HDA_IO_PROTOCOL *This, IN EFI_HDA_IO_PROTOCOL_TYPE Type)

Variables
EFI_GUID	gEfiHdaIoDevicePathGuid = EFI_HDA_IO_DEVICE_PATH_GUID

Function Documentation

HdaControllerHdaIoCloseStream()

EFI_STATUS EFIAPI HdaControllerHdaIoCloseStream	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN EFI_HDA_IO_PROTOCOL_TYPE	Type )

Definition at line 253 of file HdaControllerHdaIo.c.

HdaControllerHdaIoGetAddress()

EFI_STATUS EFIAPI HdaControllerHdaIoGetAddress	(	IN EFI_HDA_IO_PROTOCOL *	This,
		OUT UINT8 *	CodecAddress )

Retrieves this codec's address.

Parameters

[in]	This	A pointer to the HDA_IO_PROTOCOL instance.
[out]	CodecAddress	The codec's address.

Return values

EFI_SUCCESS	The codec's address was returned.
EFI_INVALID_PARAMETER	One or more parameters are invalid.

Definition at line 42 of file HdaControllerHdaIo.c.

HdaControllerHdaIoGetStream()

EFI_STATUS EFIAPI HdaControllerHdaIoGetStream	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN EFI_HDA_IO_PROTOCOL_TYPE	Type,
		OUT BOOLEAN *	State )

Definition at line 330 of file HdaControllerHdaIo.c.

HdaControllerHdaIoSendCommand()

EFI_STATUS EFIAPI HdaControllerHdaIoSendCommand	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN UINT8	Node,
		IN UINT32	Verb,
		OUT UINT32 *	Response )

Sends a single command to the codec.

Parameters

[in]	This	A pointer to the HDA_IO_PROTOCOL instance.
[in]	Node	The destination node.
[in]	Verb	The verb to send.
[out]	Response	The response received.

Return values

EFI_SUCCESS	The verb was sent successfully and a response received.
EFI_INVALID_PARAMETER	One or more parameters are invalid.

Definition at line 73 of file HdaControllerHdaIo.c.

HdaControllerHdaIoSendCommands()

EFI_STATUS EFIAPI HdaControllerHdaIoSendCommands	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN UINT8	Node,
		IN EFI_HDA_IO_VERB_LIST *	Verbs )

Sends a set of commands to the codec.

Parameters

[in]	This	A pointer to the HDA_IO_PROTOCOL instance.
[in]	Node	The destination node.
[in]	Verbs	The verbs to send. Responses will be delievered in the same list.

Return values

EFI_SUCCESS	The verbs were sent successfully and all responses received.
EFI_INVALID_PARAMETER	One or more parameters are invalid.

Definition at line 103 of file HdaControllerHdaIo.c.

HdaControllerHdaIoSetupStream()

EFI_STATUS EFIAPI HdaControllerHdaIoSetupStream	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN EFI_HDA_IO_PROTOCOL_TYPE	Type,
		IN UINT16	Format,
		OUT UINT8 *	StreamId )

Definition at line 124 of file HdaControllerHdaIo.c.

HdaControllerHdaIoStartStream()

EFI_STATUS EFIAPI HdaControllerHdaIoStartStream	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN EFI_HDA_IO_PROTOCOL_TYPE	Type,
		IN VOID *	Buffer,
		IN UINTN	BufferLength,
		IN UINTN BufferPosition	OPTIONAL,
		IN EFI_HDA_IO_STREAM_CALLBACK Callback	OPTIONAL,
		IN VOID *Context1	OPTIONAL,
		IN VOID *Context2	OPTIONAL,
		IN VOID *Context3	OPTIONAL )

Definition at line 367 of file HdaControllerHdaIo.c.

HdaControllerHdaIoStopStream()

EFI_STATUS EFIAPI HdaControllerHdaIoStopStream	(	IN EFI_HDA_IO_PROTOCOL *	This,
		IN EFI_HDA_IO_PROTOCOL_TYPE	Type )

Definition at line 529 of file HdaControllerHdaIo.c.

Variable Documentation

gEfiHdaIoDevicePathGuid

EFI_GUID gEfiHdaIoDevicePathGuid = EFI_HDA_IO_DEVICE_PATH_GUID

Definition at line 29 of file HdaControllerHdaIo.c.