driver.h

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#if !defined(_SKLHDAUDBUS_H_)
#define _SKLHDAUDBUS_H_
 
#define POOL_ZERO_DOWN_LEVEL_SUPPORT
 
#pragma warning(disable:4200)  // suppress nameless struct/union warning
#pragma warning(disable:4201)  // suppress nameless struct/union warning
#pragma warning(disable:4214)  // suppress bit field types other than int warning
#include <ntddk.h>
#include <initguid.h>
 
//SGPC (Win10 1809+ support)
extern "C" {
    #define __CPLUSPLUS
 
    #include <windef.h>
    #include <winerror.h>
 
    #include <wingdi.h>
    #include <d3dkmddi.h>
    #include <d3dkmthk.h>
}
 
#include <wdm.h>
#include <wdmguid.h>
#include "wdf.h"
#include <ntintsafe.h>
#include <ntstrsafe.h>
#include <hdaudio.h>
#include <portcls.h>
 
#include "hda_registers.h"
#include "fdo.h"
#include "buspdo.h"
#include "hdac_controller.h"
#include "hdac_stream.h"
#include "hda_verbs.h"
 
#ifdef __REACTOS__
#define DRIVERNAME "hdaudbus.sys: "
#else
#define DRIVERNAME "sklhdaudbus.sys: "
#endif
#define SKLHDAUDBUS_POOL_TAG 'SADH'
 
#define VEN_INTEL 0x8086
#define VEN_ATI 0x1002
#define VEN_AMD 0x1022
#define VEN_NVIDIA 0x10DE
#define VEN_VMWARE 0x15AD
 
#include "regfuncs.h"
 
#ifdef __REACTOS__
#define MAXUINT64 ((UINT64)UINT64_MAX)
#define MAXULONG64 ((ULONG64)ULONG64_MAX)
#define MAXULONG32 ((ULONG32)ULONG_MAX)
#endif
 
NTSTATUS HDA_WaitForTransfer(
    PFDO_CONTEXT fdoCtx,
    UINT16 codecAddr,
    _In_ ULONG Count,
    _Inout_updates_(Count)
    PHDAUDIO_CODEC_TRANSFER CodecTransfer
);
HDAUDIO_BUS_INTERFACE HDA_BusInterface(PVOID Context);
HDAUDIO_BUS_INTERFACE_V2 HDA_BusInterfaceV2(PVOID Context);
HDAUDIO_BUS_INTERFACE_V3 HDA_BusInterfaceV3(PVOID Context);
HDAUDIO_BUS_INTERFACE_BDL HDA_BusInterfaceBDL(PVOID Context);
 
#define IS_BXT(ven, dev) (ven == VEN_INTEL && dev == 0x5a98)
 
static inline void mdelay(LONG msec) {
    LARGE_INTEGER Interval;
    Interval.QuadPart = -10 * 1000 * (LONGLONG)msec;
    KeDelayExecutionThread(KernelMode, FALSE, &Interval);
}
 
static inline void udelay(LONG usec) {
    LARGE_INTEGER Interval;
    Interval.QuadPart = -10 * (LONGLONG)usec;
    KeDelayExecutionThread(KernelMode, FALSE, &Interval);
}
 
//
// Helper macros
//
 
#if DBG
#define DEBUG_LEVEL_ERROR   1
#define DEBUG_LEVEL_INFO    2
#define DEBUG_LEVEL_VERBOSE 3
 
#define DBG_INIT  1
#define DBG_PNP   2
#define DBG_IOCTL 4
 
#define SklHdAudBusDebugLevel 100
#define SklHdAudBusDebugCategories (DBG_INIT | DBG_PNP | DBG_IOCTL)
 
#define SklHdAudBusPrint(dbglevel, dbgcategory, fmt, ...) {          \
    if (SklHdAudBusDebugLevel >= dbglevel &&                         \
        (SklHdAudBusDebugCategories & dbgcategory))                 \
            {                                                           \
        DbgPrint(DRIVERNAME);                                   \
        DbgPrint(fmt, ##__VA_ARGS__);                             \
            }                                                           \
}
#else
#define SklHdAudBusPrint(dbglevel, fmt, ...) {                       \
}
#endif
#endif