buspdo.h File Reference

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Classes
struct	_CODEC_UNSOLICITED_CALLBACK
struct	_CODEC_IDS
struct	_PDO_IDENTIFICATION_DESCRIPTION
struct	_PDO_DEVICE_DATA

Macros
#define	MAX_INSTANCE_ID_LEN   80
#define	MAX_UNSOLICIT_CALLBACKS   64
#define	SUBTAG_MASK   0x3F
#define	TAG_ADDR_SHIFT   6

Typedefs
typedef struct _CODEC_UNSOLICITED_CALLBACK	CODEC_UNSOLICITED_CALLBACK
typedef struct _CODEC_UNSOLICITED_CALLBACK *	PCODEC_UNSOLICIT_CALLBACK
typedef struct _CODEC_IDS	CODEC_IDS
typedef struct _CODEC_IDS *	PCODEC_IDS
typedef struct _PDO_IDENTIFICATION_DESCRIPTION	PDO_IDENTIFICATION_DESCRIPTION
typedef struct _PDO_IDENTIFICATION_DESCRIPTION *	PPDO_IDENTIFICATION_DESCRIPTION
typedef struct _PDO_DEVICE_DATA	PDO_DEVICE_DATA
typedef struct _PDO_DEVICE_DATA *	PPDO_DEVICE_DATA

Functions
NTSTATUS NTAPI	Bus_EvtChildListIdentificationDescriptionDuplicate (WDFCHILDLIST DeviceList, PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER SourceIdentificationDescription, PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER DestinationIdentificationDescription)
BOOLEAN NTAPI	Bus_EvtChildListIdentificationDescriptionCompare (WDFCHILDLIST DeviceList, PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER FirstIdentificationDescription, PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER SecondIdentificationDescription)
VOID NTAPI	Bus_EvtChildListIdentificationDescriptionCleanup (_In_ WDFCHILDLIST DeviceList, _Inout_ PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER IdentificationDescription)
NTSTATUS NTAPI	Bus_EvtDeviceListCreatePdo (WDFCHILDLIST DeviceList, PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER IdentificationDescription, PWDFDEVICE_INIT ChildInit)

Macro Definition Documentation

MAX_INSTANCE_ID_LEN

#define MAX_INSTANCE_ID_LEN   80

Definition at line 4 of file buspdo.h.

MAX_UNSOLICIT_CALLBACKS

#define MAX_UNSOLICIT_CALLBACKS   64

Definition at line 40 of file buspdo.h.

SUBTAG_MASK

#define SUBTAG_MASK   0x3F

Definition at line 41 of file buspdo.h.

TAG_ADDR_SHIFT

#define TAG_ADDR_SHIFT   6

Definition at line 42 of file buspdo.h.

Typedef Documentation

CODEC_IDS

typedef struct _CODEC_IDS CODEC_IDS

CODEC_UNSOLICITED_CALLBACK

typedef struct _CODEC_UNSOLICITED_CALLBACK CODEC_UNSOLICITED_CALLBACK

PCODEC_IDS

typedef struct _CODEC_IDS * PCODEC_IDS

PCODEC_UNSOLICIT_CALLBACK

typedef struct _CODEC_UNSOLICITED_CALLBACK * PCODEC_UNSOLICIT_CALLBACK

PDO_DEVICE_DATA

typedef struct _PDO_DEVICE_DATA PDO_DEVICE_DATA

PDO_IDENTIFICATION_DESCRIPTION

typedef struct _PDO_IDENTIFICATION_DESCRIPTION PDO_IDENTIFICATION_DESCRIPTION

PPDO_DEVICE_DATA

typedef struct _PDO_DEVICE_DATA * PPDO_DEVICE_DATA

PPDO_IDENTIFICATION_DESCRIPTION

typedef struct _PDO_IDENTIFICATION_DESCRIPTION * PPDO_IDENTIFICATION_DESCRIPTION

Function Documentation

Bus_EvtChildListIdentificationDescriptionCleanup()

VOID NTAPI Bus_EvtChildListIdentificationDescriptionCleanup	(	_In_ WDFCHILDLIST	DeviceList,
		_Inout_ PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER	IdentificationDescription
	)

Definition at line 100 of file buspdo.cpp.

{
    UNREFERENCED_PARAMETER(DeviceList);
    UNREFERENCED_PARAMETER(IdentificationDescription);
}

Referenced by Fdo_Create().

Bus_EvtChildListIdentificationDescriptionCompare()

BOOLEAN NTAPI Bus_EvtChildListIdentificationDescriptionCompare	(	WDFCHILDLIST	DeviceList,
		PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER	FirstIdentificationDescription,
		PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER	SecondIdentificationDescription
	)

Definition at line 60 of file buspdo.cpp.

{
    PPDO_IDENTIFICATION_DESCRIPTION lhs, rhs;
 
    UNREFERENCED_PARAMETER(DeviceList);
 
    lhs = CONTAINING_RECORD(FirstIdentificationDescription,
        PDO_IDENTIFICATION_DESCRIPTION,
        Header);
    rhs = CONTAINING_RECORD(SecondIdentificationDescription,
        PDO_IDENTIFICATION_DESCRIPTION,
        Header);
 
    SklHdAudBusPrint(DEBUG_LEVEL_INFO, DBG_INIT,
        "%s\n", __func__);
 
    return (lhs->FdoContext == rhs->FdoContext) &&
        (RtlCompareMemory(&lhs->CodecIds, &rhs->CodecIds, sizeof(lhs->CodecIds)) == sizeof(lhs->CodecIds));
}

Referenced by Fdo_Create().

Bus_EvtChildListIdentificationDescriptionDuplicate()

NTSTATUS NTAPI Bus_EvtChildListIdentificationDescriptionDuplicate	(	WDFCHILDLIST	DeviceList,
		PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER	SourceIdentificationDescription,
		PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER	DestinationIdentificationDescription
	)

Definition at line 13 of file buspdo.cpp.

{
    PPDO_IDENTIFICATION_DESCRIPTION src, dst;
 
    UNREFERENCED_PARAMETER(DeviceList);
 
    src = CONTAINING_RECORD(SourceIdentificationDescription,
        PDO_IDENTIFICATION_DESCRIPTION,
        Header);
    dst = CONTAINING_RECORD(DestinationIdentificationDescription,
        PDO_IDENTIFICATION_DESCRIPTION,
        Header);
 
    SklHdAudBusPrint(DEBUG_LEVEL_INFO, DBG_INIT,
        "%s\n", __func__);
 
    dst->FdoContext = src->FdoContext;
    RtlCopyMemory(&dst->CodecIds, &src->CodecIds, sizeof(dst->CodecIds));
 
    return STATUS_SUCCESS;
}

Referenced by Fdo_Create().

Bus_EvtDeviceListCreatePdo()

NTSTATUS NTAPI Bus_EvtDeviceListCreatePdo	(	WDFCHILDLIST	DeviceList,
		PWDF_CHILD_IDENTIFICATION_DESCRIPTION_HEADER	IdentificationDescription,
		PWDFDEVICE_INIT	ChildInit
	)

Definition at line 121 of file buspdo.cpp.

{
    PPDO_IDENTIFICATION_DESCRIPTION pDesc;
 
    PAGED_CODE();
 
    pDesc = CONTAINING_RECORD(IdentificationDescription,
        PDO_IDENTIFICATION_DESCRIPTION,
        Header);
 
    SklHdAudBusPrint(DEBUG_LEVEL_INFO, DBG_INIT,
        "%s\n", __func__);
 
    return Bus_CreatePdo(WdfChildListGetDevice(DeviceList),
        ChildInit,
        pDesc);
}

Referenced by Fdo_Create().