phy.c File Reference

#include "dc21x4.h"
#include <debug.h>

Include dependency graph for phy.c:

Go to the source code of this file.

Macros
#define	MII_READ(Adapter, Data)
#define	MII_WRITE(Adapter, Value)

Functions
static VOID	MiiMdioPacket (_In_ PDC21X4_ADAPTER Adapter, _In_ ULONG Sequence, _In_ ULONG BitCount)
static ULONG	MiiMdioShiftIn (_In_ PDC21X4_ADAPTER Adapter)
static VOID	MiiMdioClearExtraBits (_In_ PDC21X4_ADAPTER Adapter)
BOOLEAN	MiiWrite (_In_ PDC21X4_ADAPTER Adapter, _In_ ULONG PhyAddress, _In_ ULONG RegAddress, _In_ ULONG Data)
BOOLEAN	MiiRead (_In_ PDC21X4_ADAPTER Adapter, _In_ ULONG PhyAddress, _In_ ULONG RegAddress, _Out_ PULONG Data)
static VOID	HpnaSpiClose (_In_ PDC21X4_ADAPTER Adapter)
static VOID	HpnaSpiShiftOut (_In_ PDC21X4_ADAPTER Adapter, _In_ ULONG Sequence, _In_ ULONG BitCount)
static VOID	HpnaWrite (_In_ PDC21X4_ADAPTER Adapter, _In_ ULONG RegAddress, _In_ ULONG Data)
VOID	HpnaPhyInit (_In_ PDC21X4_ADAPTER Adapter)
BOOLEAN	DcFindMiiPhy (_In_ PDC21X4_ADAPTER Adapter)

Macro Definition Documentation

MII_READ

#define MII_READ	(		Adapter,
			Data
	)

Value:

    do { \
        *Data = DC_READ((Adapter), DcCsr9_SerialInterface); \
        NdisStallExecution(2); \
    } while (0)

Definition at line 16 of file phy.c.

MII_WRITE

#define MII_WRITE	(		Adapter,
			Value
	)

Value:

    do { \
        DC_WRITE((Adapter), DcCsr9_SerialInterface, Value); \
        NdisStallExecution(2); \
    } while (0)

Definition at line 22 of file phy.c.

Function Documentation

DcFindMiiPhy()

BOOLEAN DcFindMiiPhy

(

_In_ PDC21X4_ADAPTER

Adapter

)

Definition at line 217 of file phy.c.

{
    ULONG Phy;
 
    PAGED_CODE();
 
    /* Look for the first connected PHY */
    for (Phy = 1; Phy <= MII_MAX_PHY_ADDRESSES; ++Phy)
    {
        ULONG PhyAddress = Phy % MII_MAX_PHY_ADDRESSES; /* Check the PHY 0 last */
        ULONG MiiStatus;
#if DBG
        ULONG PhyIdLow, PhyIdHigh, MiiControl, MiiAdvertise;
#endif
 
        /*
         * Read the status register. Some PHYs, such as the ML6692,
         * don't implement the IEEE ID registers.
         */
        if (!MiiRead(Adapter, PhyAddress, MII_STATUS, &MiiStatus))
            continue;
        if (MiiStatus == 0xFFFF || MiiStatus == 0)
            continue;
 
#if DBG
        MiiRead(Adapter, PhyAddress, MII_PHY_ID1, &PhyIdLow);
        MiiRead(Adapter, PhyAddress, MII_PHY_ID2, &PhyIdHigh);
        MiiRead(Adapter, PhyAddress, MII_CONTROL, &MiiControl);
        MiiRead(Adapter, PhyAddress, MII_AUTONEG_ADVERTISE, &MiiAdvertise);
 
        INFO_VERB("Found PHY at address %u: ID %04lx:%04lx, Ctrl %04lx, Status %04lx, Adv %04lx\n",
                  PhyAddress,
                  PhyIdLow,
                  PhyIdHigh,
                  MiiControl,
                  MiiStatus,
                  MiiAdvertise);
#endif
 
        Adapter->PhyAddress = PhyAddress;
 
        return TRUE;
    }
 
    return FALSE;
}

Referenced by DcInitialize().

HpnaPhyInit()

VOID HpnaPhyInit

(

_In_ PDC21X4_ADAPTER

Adapter

)

Definition at line 194 of file phy.c.

{
    ULONG SiaConn, i;
 
    PAGED_CODE();
 
    /* Select the HPNA interface */
    SiaConn = DC_READ(Adapter, DcCsr13_SiaConnectivity);
    SiaConn |= DC_SIA_CONN_HPNA;
    DC_WRITE(Adapter, DcCsr13_SiaConnectivity, SiaConn);
 
    for (i = 0; i < RTL_NUMBER_OF(Adapter->HpnaRegister); ++i)
    {
        if (Adapter->HpnaInitBitmap & (1 << i))
        {
            HpnaWrite(Adapter, i, Adapter->HpnaRegister[i]);
        }
    }
}

Referenced by DcSetupAdapter().

HpnaSpiClose()

static VOID HpnaSpiClose ( _In_ PDC21X4_ADAPTER  Adapter )

static

Definition at line 135 of file phy.c.

{
    PAGED_CODE();
 
    DC_WRITE(Adapter, DcCsr9_SerialInterface, 0);
    DC_WRITE(Adapter, DcCsr9_SerialInterface, DC_SERIAL_SPI_SK);
}

Referenced by HpnaWrite().

HpnaSpiShiftOut()

static VOID HpnaSpiShiftOut ( _In_ PDC21X4_ADAPTER  Adapter, _In_ ULONG  Sequence, _In_ ULONG  BitCount  )

static

Definition at line 147 of file phy.c.

{
    LONG i;
 
    PAGED_CODE();
 
    DC_WRITE(Adapter, DcCsr9_SerialInterface, 0);
    DC_WRITE(Adapter, DcCsr9_SerialInterface, DC_SERIAL_SPI_CS);
 
    for (i = BitCount - 1; i >= 0; --i)
    {
        ULONG DataIn = ((Sequence >> i) & 1) << DC_SERIAL_SPI_DI_SHIFT;
 
        DC_WRITE(Adapter, DcCsr9_SerialInterface, DataIn | DC_SERIAL_SPI_CS);
        DC_WRITE(Adapter, DcCsr9_SerialInterface, DataIn | DC_SERIAL_SPI_CS | DC_SERIAL_SPI_SK);
    }
 
    DC_WRITE(Adapter, DcCsr9_SerialInterface, 0);
    DC_WRITE(Adapter, DcCsr9_SerialInterface, DC_SERIAL_SPI_SK);
}

Referenced by HpnaWrite().

HpnaWrite()

static VOID HpnaWrite ( _In_ PDC21X4_ADAPTER  Adapter, _In_ ULONG  RegAddress, _In_ ULONG  Data  )

static

Definition at line 174 of file phy.c.

{
    PAGED_CODE();
 
    HpnaSpiShiftOut(Adapter, DC_SPI_SET_WRITE_ENABLE, 8);
    HpnaSpiClose(Adapter);
 
    HpnaSpiShiftOut(Adapter,
                    (Data << 16) |
                    (RegAddress << 8) |
                    DC_SPI_BYTE_WRITE_OPERATION,
                    RTL_BITS_OF(UCHAR) * 3);
    HpnaSpiClose(Adapter);
}

Referenced by HpnaPhyInit().

MiiMdioClearExtraBits()

static VOID MiiMdioClearExtraBits ( _In_ PDC21X4_ADAPTER  Adapter )

static

Definition at line 70 of file phy.c.

{
    MII_WRITE(Adapter, DC_SERIAL_MII_MII);
    MII_WRITE(Adapter, DC_SERIAL_MII_MII | DC_SERIAL_MII_MDC);
}

Referenced by MiiRead(), and MiiWrite().

MiiMdioPacket()

static VOID MiiMdioPacket ( _In_ PDC21X4_ADAPTER  Adapter, _In_ ULONG  Sequence, _In_ ULONG  BitCount  )

static

Definition at line 32 of file phy.c.

{
    LONG i;
 
    for (i = BitCount - 1; i >= 0; --i)
    {
        ULONG Mdo = ((Sequence >> i) & 1) << DC_SERIAL_MII_MDO_SHIFT;
 
        MII_WRITE(Adapter, Mdo);
        MII_WRITE(Adapter, Mdo | DC_SERIAL_MII_MDC);
    }
}

Referenced by MiiRead(), and MiiWrite().

MiiMdioShiftIn()

static ULONG MiiMdioShiftIn ( _In_ PDC21X4_ADAPTER  Adapter )

static

Definition at line 50 of file phy.c.

{
    ULONG i, Csr;
    ULONG Result = 0;
 
    for (i = 0; i < RTL_BITS_OF(USHORT); ++i)
    {
        MII_WRITE(Adapter, DC_SERIAL_MII_MII);
        MII_WRITE(Adapter, DC_SERIAL_MII_MII | DC_SERIAL_MII_MDC);
 
        MII_READ(Adapter, &Csr);
        Result = (Result << 1) | ((Csr >> DC_SERIAL_MII_MDI_SHIFT) & 1);
    }
 
    return Result;
}

Referenced by MiiRead().

MiiRead()

BOOLEAN MiiRead	(	_In_ PDC21X4_ADAPTER	Adapter,
		_In_ ULONG	PhyAddress,
		_In_ ULONG	RegAddress,
		_Out_ PULONG	Data
	)

Definition at line 101 of file phy.c.

{
    ULONG Csr;
    BOOLEAN Success;
 
    MiiMdioPacket(Adapter, MDIO_PREAMBLE, 32);
    MiiMdioPacket(Adapter,
                  (MDIO_START << 12) |
                  (MDIO_READ  << 10) |
                  (PhyAddress << 5) |
                  RegAddress,
                  14);
 
    /* Turnaround */
    MiiMdioClearExtraBits(Adapter);
 
    Csr = DC_READ(Adapter, DcCsr9_SerialInterface);
    Success = !(Csr & DC_SERIAL_MII_MDI);
 
    *Data = MiiMdioShiftIn(Adapter);
 
    /* Idle state */
    MiiMdioClearExtraBits(Adapter);
 
    return Success;
}

Referenced by DcFindMiiPhy(), FindPhyDevice(), MediaMiiCheckLink(), MediaMiiGetSpeedAndDuplex(), MediaMiiSelect(), MiiGetSpeedAndDuplex(), NvNetInitNIC(), NvNetPhyInit(), NvNetSetSpeedAndDuplex(), PhyInit(), PhyInitCicadaSemiconductor(), PhyInitRealtek8201(), PhyInitRealtek8211c(), PhyInitVitesseSemiconductor(), and PhyReset().

MiiWrite()

BOOLEAN MiiWrite	(	_In_ PDC21X4_ADAPTER	Adapter,
		_In_ ULONG	PhyAddress,
		_In_ ULONG	RegAddress,
		_In_ ULONG	Data
	)

Definition at line 78 of file phy.c.

{
    MiiMdioPacket(Adapter, MDIO_PREAMBLE, 32);
    MiiMdioPacket(Adapter,
                  (MDIO_START << 30) |
                  (MDIO_WRITE << 28) |
                  (PhyAddress << 23) |
                  (RegAddress << 18) |
                  (MDIO_TA    << 16) |
                  Data,
                  32);
 
    /* Idle state */
    MiiMdioClearExtraBits(Adapter);
 
    return TRUE;
}

Referenced by MediaMiiSelect(), NvNetInitNIC(), PhyInit(), PhyInitCicadaSemiconductor(), PhyInitRealtek8201(), PhyInitRealtek8211b(), PhyInitRealtek8211c(), PhyInitVitesseSemiconductor(), and PhyReset().