fdo.h File Reference

#include "adsp.h"

Include dependency graph for fdo.h:

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Go to the source code of this file.

Classes
union	baseaddr
struct	_PCI_BAR
struct	_HDAC_STREAM_CALLBACK
struct	_HDAC_ISR_CALLBACK
struct	_HDAC_BDLENTRY
struct	_HDAC_STREAM
struct	_HDAC_RIRB
struct	_HDAC_CODEC_XFER
struct	_HDAC_RB
struct	_GRAPHICSWORKITEM_CONTEXT
struct	_GRAPHICSIOTARGET_CONTEXT
struct	_FDO_CONTEXT

Macros
#define	HDA_UNSOL_QUEUE_SIZE   64
#define	MAX_NOTIF_EVENTS   16
#define	HDA_MAX_CODECS   16 /* limit by controller side */

Typedefs
typedef struct _PCI_BAR	PCI_BAR
typedef struct _PCI_BAR *	PPCI_BAR
typedef struct _HDAC_STREAM_CALLBACK	HDAC_STREAM_CALLBACK
typedef struct _HDAC_STREAM_CALLBACK *	PHDAC_STREAM_CALLBACK
typedef struct _HDAC_ISR_CALLBACK	HDAC_ISR_CALLBACK
typedef struct _HDAC_ISR_CALLBACK *	PHDAC_ISR_CALLBACK
typedef struct _HDAC_BDLENTRY	HDAC_BDLENTRY
typedef struct _HDAC_BDLENTRY *	PHDAC_BDLENTRY
typedef struct _HDAC_STREAM	HDAC_STREAM
typedef struct _HDAC_STREAM *	PHDAC_STREAM
typedef struct _HDAC_RIRB	HDAC_RIRB
typedef struct _HDAC_RIRB *	PHDAC_RIRB
typedef struct _HDAC_CODEC_XFER	HDAC_CODEC_XFER
typedef struct _HDAC_CODEC_XFER *	PHDAC_CODEC_XFER
typedef struct _HDAC_RB	HDAC_RB
typedef struct _HDAC_RB *	PHDAC_RB
typedef struct _GRAPHICSWORKITEM_CONTEXT	GRAPHICSWORKITEM_CONTEXT
typedef struct _GRAPHICSWORKITEM_CONTEXT *	PGRAPHICSWORKITEM_CONTEXT
typedef struct _GRAPHICSIOTARGET_CONTEXT	GRAPHICSIOTARGET_CONTEXT
typedef struct _GRAPHICSIOTARGET_CONTEXT *	PGRAPHICSIOTARGET_CONTEXT
typedef struct _FDO_CONTEXT	FDO_CONTEXT
typedef struct _FDO_CONTEXT *	PFDO_CONTEXT

Functions
NTSTATUS NTAPI	Fdo_Create (_Inout_ PWDFDEVICE_INIT DeviceInit)

Macro Definition Documentation

HDA_MAX_CODECS

#define HDA_MAX_CODECS   16 /* limit by controller side */

Definition at line 18 of file fdo.h.

HDA_UNSOL_QUEUE_SIZE

#define HDA_UNSOL_QUEUE_SIZE   64

Definition at line 16 of file fdo.h.

MAX_NOTIF_EVENTS

#define MAX_NOTIF_EVENTS   16

Definition at line 17 of file fdo.h.

Typedef Documentation

FDO_CONTEXT

typedef struct _FDO_CONTEXT FDO_CONTEXT

GRAPHICSIOTARGET_CONTEXT

typedef struct _GRAPHICSIOTARGET_CONTEXT GRAPHICSIOTARGET_CONTEXT

GRAPHICSWORKITEM_CONTEXT

typedef struct _GRAPHICSWORKITEM_CONTEXT GRAPHICSWORKITEM_CONTEXT

HDAC_BDLENTRY

typedef struct _HDAC_BDLENTRY HDAC_BDLENTRY

HDAC_CODEC_XFER

typedef struct _HDAC_CODEC_XFER HDAC_CODEC_XFER

HDAC_ISR_CALLBACK

typedef struct _HDAC_ISR_CALLBACK HDAC_ISR_CALLBACK

HDAC_RB

typedef struct _HDAC_RB HDAC_RB

HDAC_RIRB

typedef struct _HDAC_RIRB HDAC_RIRB

HDAC_STREAM

typedef struct _HDAC_STREAM HDAC_STREAM

HDAC_STREAM_CALLBACK

typedef struct _HDAC_STREAM_CALLBACK HDAC_STREAM_CALLBACK

PCI_BAR

typedef struct _PCI_BAR PCI_BAR

PFDO_CONTEXT

typedef struct _FDO_CONTEXT * PFDO_CONTEXT

PGRAPHICSIOTARGET_CONTEXT

typedef struct _GRAPHICSIOTARGET_CONTEXT * PGRAPHICSIOTARGET_CONTEXT

PGRAPHICSWORKITEM_CONTEXT

typedef struct _GRAPHICSWORKITEM_CONTEXT * PGRAPHICSWORKITEM_CONTEXT

PHDAC_BDLENTRY

typedef struct _HDAC_BDLENTRY * PHDAC_BDLENTRY

PHDAC_CODEC_XFER

typedef struct _HDAC_CODEC_XFER * PHDAC_CODEC_XFER

PHDAC_ISR_CALLBACK

typedef struct _HDAC_ISR_CALLBACK * PHDAC_ISR_CALLBACK

PHDAC_RB

typedef struct _HDAC_RB * PHDAC_RB

PHDAC_RIRB

typedef struct _HDAC_RIRB * PHDAC_RIRB

PHDAC_STREAM

typedef struct _HDAC_STREAM * PHDAC_STREAM

PHDAC_STREAM_CALLBACK

typedef struct _HDAC_STREAM_CALLBACK * PHDAC_STREAM_CALLBACK

PPCI_BAR

typedef struct _PCI_BAR * PPCI_BAR

Function Documentation

Fdo_Create()

NTSTATUS NTAPI Fdo_Create

(

_Inout_ PWDFDEVICE_INIT

DeviceInit

)

Definition at line 29 of file fdo.cpp.

{
    WDF_CHILD_LIST_CONFIG      config;
    WDF_OBJECT_ATTRIBUTES attributes;
    WDF_PNPPOWER_EVENT_CALLBACKS pnpPowerCallbacks;
    PFDO_CONTEXT fdoCtx;
    WDFDEVICE wdfDevice;
    NTSTATUS status;
 
    SklHdAudBusPrint(DEBUG_LEVEL_INFO, DBG_INIT,
        "%s\n", __func__);
 
    WDF_PNPPOWER_EVENT_CALLBACKS_INIT(&pnpPowerCallbacks);
    pnpPowerCallbacks.EvtDevicePrepareHardware = Fdo_EvtDevicePrepareHardware;
    pnpPowerCallbacks.EvtDeviceReleaseHardware = Fdo_EvtDeviceReleaseHardware;
    pnpPowerCallbacks.EvtDeviceD0Entry = Fdo_EvtDeviceD0Entry;
    pnpPowerCallbacks.EvtDeviceD0EntryPostInterruptsEnabled = Fdo_EvtDeviceD0EntryPostInterrupts;
    pnpPowerCallbacks.EvtDeviceD0Exit = Fdo_EvtDeviceD0Exit;
    pnpPowerCallbacks.EvtDeviceSelfManagedIoInit = Fdo_EvtDeviceSelfManagedIoInit;
    WdfDeviceInitSetPnpPowerEventCallbacks(DeviceInit, &pnpPowerCallbacks);
 
    //
    // WDF_ DEVICE_LIST_CONFIG describes how the framework should handle
    // dynamic child enumeration on behalf of the driver writer.
    // Since we are a bus driver, we need to specify identification description
    // for our child devices. This description will serve as the identity of our
    // child device. Since the description is opaque to the framework, we
    // have to provide bunch of callbacks to compare, copy, or free
    // any other resources associated with the description.
    //
    WDF_CHILD_LIST_CONFIG_INIT(&config,
        sizeof(PDO_IDENTIFICATION_DESCRIPTION),
        Bus_EvtDeviceListCreatePdo // callback to create a child device.
    );
 
    //
    // This function pointer will be called when the framework needs to copy a
    // identification description from one location to another.  An implementation
    // of this function is only necessary if the description contains description
    // relative pointer values (like  LIST_ENTRY for instance) .
    // If set to NULL, the framework will use RtlCopyMemory to copy an identification .
    // description. In this sample, it's not required to provide these callbacks.
    // they are added just for illustration.
    //
    config.EvtChildListIdentificationDescriptionDuplicate =
        Bus_EvtChildListIdentificationDescriptionDuplicate;
 
    //
    // This function pointer will be called when the framework needs to compare
    // two identificaiton descriptions.  If left NULL a call to RtlCompareMemory
    // will be used to compare two identificaiton descriptions.
    //
    config.EvtChildListIdentificationDescriptionCompare =
        Bus_EvtChildListIdentificationDescriptionCompare;
    //
    // This function pointer will be called when the framework needs to free a
    // identification description.  An implementation of this function is only
    // necessary if the description contains dynamically allocated memory
    // (by the driver writer) that needs to be freed. The actual identification
    // description pointer itself will be freed by the framework.
    //
    config.EvtChildListIdentificationDescriptionCleanup =
        Bus_EvtChildListIdentificationDescriptionCleanup;
 
    //
    // Tell the framework to use the built-in childlist to track the state
    // of the device based on the configuration we just created.
    //
    WdfFdoInitSetDefaultChildListConfig(DeviceInit,
        &config,
        WDF_NO_OBJECT_ATTRIBUTES);
 
    WDF_OBJECT_ATTRIBUTES_INIT_CONTEXT_TYPE(&attributes, FDO_CONTEXT);
    status = WdfDeviceCreate(&DeviceInit, &attributes, &wdfDevice);
    if (!NT_SUCCESS(status)) {
        SklHdAudBusPrint(DEBUG_LEVEL_ERROR, DBG_INIT,
            "WdfDriverCreate failed %x\n", status);
        goto Exit;
    }
 
    /*{
        WDF_DEVICE_POWER_POLICY_IDLE_SETTINGS IdleSettings;
 
        WDF_DEVICE_POWER_POLICY_IDLE_SETTINGS_INIT(&IdleSettings, IdleCannotWakeFromS0);
        IdleSettings.IdleTimeoutType = SystemManagedIdleTimeoutWithHint;
        IdleSettings.IdleTimeout = 1000;
        IdleSettings.UserControlOfIdleSettings = IdleDoNotAllowUserControl;
 
        WdfDeviceAssignS0IdleSettings(wdfDevice, &IdleSettings);
    }*/
 
    {
        WDF_DEVICE_STATE deviceState;
        WDF_DEVICE_STATE_INIT(&deviceState);
 
        deviceState.NotDisableable = WdfFalse;
        WdfDeviceSetDeviceState(wdfDevice, &deviceState);
    }
 
    fdoCtx = Fdo_GetContext(wdfDevice);
    fdoCtx->WdfDevice = wdfDevice;
 
    status = Fdo_Initialize(fdoCtx);
    if (!NT_SUCCESS(status))
    {
        goto Exit;
    }
 
    CheckHDAGraphicsRegistryKeys(fdoCtx);
 
Exit:
    return status;
}

Referenced by SklHdAudBusEvtDeviceAdd().