adsp.h

Go to the documentation of this file.

#ifndef __ADSP_INTERFACE
#define __ADSP_INTERFACE
 
//
// The ADSP_BUS_INTERFACE interface GUID
//
// {752A2CAE-3455-4D18-A184-8B34B22632CE}
DEFINE_GUID(GUID_ADSP_BUS_INTERFACE,
    0x752a2cae, 0x3455, 0x4d18, 0xa1, 0x84, 0x8b, 0x34, 0xb2, 0x26, 0x32, 0xce);
 
typedef struct _NHLT_INFO {
    PVOID nhlt;
    UINT64 nhltSz;
} NHLT_INFO, * PNHLT_INFO;
 
typedef _Must_inspect_result_ NTSTATUS(*PGET_ADSP_RESOURCES) (_In_ PVOID _context, _Out_ _PCI_BAR* hdaBar, _Out_ _PCI_BAR* adspBar, PVOID* ppcap, PNHLT_INFO nhltInfo, _Out_ BUS_INTERFACE_STANDARD* pciConfig);
typedef _Must_inspect_result_ NTSTATUS(*PDSP_SET_POWER_STATE) (_In_ PVOID _context, _In_ DEVICE_POWER_STATE newPowerState);
typedef _Must_inspect_result_ BOOL(*PADSP_INTERRUPT_CALLBACK)(PVOID context);
typedef _Must_inspect_result_ NTSTATUS(*PREGISTER_ADSP_INTERRUPT) (_In_ PVOID _context, _In_ PADSP_INTERRUPT_CALLBACK callback, _In_ PVOID callbackContext);
typedef _Must_inspect_result_ NTSTATUS(*PUNREGISTER_ADSP_INTERRUPT) (_In_ PVOID _context);
typedef _Must_inspect_result_ NTSTATUS(*PGET_STREAM)(_In_ PVOID _context, HDAUDIO_STREAM_FORMAT StreamFormat, PHANDLE Handle, _Out_ UINT8* streamTag);
typedef _Must_inspect_result_ NTSTATUS(*PFREE_STREAM)(_In_ PVOID _context, _In_ HANDLE Handle);
typedef _Must_inspect_result_ NTSTATUS(*PDSP_PREPARE_STREAM)(_In_ PVOID _context, _In_ HANDLE Handle, _In_ unsigned int ByteSize, _In_ int frags, _Out_ PVOID* bdlBuf);
typedef _Must_inspect_result_ NTSTATUS(*PDSP_CLEANUP_STREAM)(_In_ PVOID _context, _In_ HANDLE Handle);
typedef _Must_inspect_result_ UINT32(*PDSP_STREAM_POSITION)(_In_ PVOID _context, _In_ HANDLE Handle);
typedef void (*PDSP_START_STOP_STREAM)(_In_ PVOID _context, _In_ HANDLE Handle, BOOL startStop);
typedef void (*PDSP_ENABLE_SPIB)(_In_ PVOID _context, _In_ HANDLE Handle, UINT32 value);
typedef void (*PDSP_DISABLE_SPIB)(_In_ PVOID _context, _In_ HANDLE Handle);
 
typedef struct _ADSP_BUS_INTERFACE
{
    //
    // First we define the standard INTERFACE structure ...
    //
    USHORT                    Size;
    USHORT                    Version;
    PVOID                     Context;
    PINTERFACE_REFERENCE      InterfaceReference;
    PINTERFACE_DEREFERENCE    InterfaceDereference;
 
    //
    // Then we expand the structure with the ADSP_BUS_INTERFACE stuff.
 
    UINT16 CtlrDevId;
    PGET_ADSP_RESOURCES           GetResources;
    PDSP_SET_POWER_STATE          SetDSPPowerState;
    PREGISTER_ADSP_INTERRUPT      RegisterInterrupt;
    PUNREGISTER_ADSP_INTERRUPT    UnregisterInterrupt;
    PGET_STREAM                   GetRenderStream;
    PGET_STREAM                   GetCaptureStream;
    PFREE_STREAM                  FreeStream;
    PDSP_PREPARE_STREAM           PrepareDSP;
    PDSP_CLEANUP_STREAM           CleanupDSP;
    PDSP_START_STOP_STREAM        TriggerDSP;
    PDSP_STREAM_POSITION          StreamPosition;
 
    PDSP_ENABLE_SPIB              DSPEnableSPIB;
    PDSP_DISABLE_SPIB             DSPDisableSPIB;
} ADSP_BUS_INTERFACE, * PADSP_BUS_INTERFACE;
 
#ifndef ADSP_DECL
ADSP_BUS_INTERFACE ADSP_BusInterface(PVOID Context);
#endif
#endif