UM0851 datasheet(47/245 Pages) STMICROELECTRONICS

47 / 245 page

UM0851

Communication device drivers

Doc ID 16604 Rev 2

47/245

int (*suspend) (struct mii_phy * phy, int wol_options);

int (*setup_aneg) (struct mii_phy * phy, u32 advertise);

int (*setup_forced) (struct mii_phy * phy, int speed, int fd);

int (*poll_link) (struct mii_phy * phy);

int (*read_link) (struct mii_phy * phy);

};

struct mii_phy {

struct mii_phy_def *def;

u32 advertising;

/* Ethtool ADVERTISED_* defines */

u32 features;

/* Copied from mii_phy_def. features or determined

automatically */

u8 address;

/* PHY address */

int mode;

/* PHY mode */

/* 1: autoneg enabled, 0: disabled */

int autoneg;

/* forced speed & duplex (no autoneg) partner speed &

duplex & pause (autoneg)*/

int speed;

int duplex;

int pause;

int asym_pause;

/* Provided by host chip */

struct net_device *dev;

struct device *pdev;

int (*mdio_read) (struct net_device *dev, int addr, int reg);

void (*mdio_write) (struct net_device *dev, int addr, int reg, int val);

};

In case you are not able to use the generic/existing phy interfaces, and want to add support

for a new phy interface(xxx_phy_def), you can add this in the phy table.

The current table provides support for National/ST and a Generic PHY interface.

static struct mii_phy_def *mii_phy_table[] = {

&st_phy_def,

&national_phy_def,

&genmii_phy_def,

&xxx_phy_def,

NULL

};

/* Similarly Define the details of the member function for example: */

static struct mii_phy_def xxx_phy_def = {

.phy_id

= 0x00000000,

.phy_id_mask

= 0x00000000,

.name

= "XXX MII",

.ops

= &xxx_phy_ops

};

/* Make sure to provide in the proper PHY ID and the Mask as defined in the

PHY

configuration registers of the Phy to properly identify the Phy.*/

/* Define the Operations to be performed on PHY xxx */

static struct mii_phy_ops xxx_phy_ops = {

.setup_aneg

= xxx_mii_setup_aneg,

.setup_forced

= xxx_mii_setup_forced,

.poll_link

= xxx_mii_poll_link,

.read_link

= xxx_mii_read_link

};

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