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- /* SPDX-License-Identifier: GPL-2.0-or-later */
- /*
- * drivers/net/ethernet/ibm/emac/phy.h
- *
- * Driver for PowerPC 4xx on-chip ethernet controller, PHY support
- *
- * Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
- * <[email protected]>
- *
- * Based on the arch/ppc version of the driver:
- *
- * Benjamin Herrenschmidt <[email protected]>
- * February 2003
- *
- * Minor additions by Eugene Surovegin <[email protected]>, 2004
- *
- * This file basically duplicates sungem_phy.{c,h} with different PHYs
- * supported. I'm looking into merging that in a single mii layer more
- * flexible than mii.c
- */
- #ifndef __IBM_NEWEMAC_PHY_H
- #define __IBM_NEWEMAC_PHY_H
- struct mii_phy;
- /* Operations supported by any kind of PHY */
- struct mii_phy_ops {
- int (*init) (struct mii_phy * phy);
- 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);
- };
- /* Structure used to statically define an mii/gii based PHY */
- struct mii_phy_def {
- u32 phy_id; /* Concatenated ID1 << 16 | ID2 */
- u32 phy_id_mask; /* Significant bits */
- u32 features; /* Ethtool SUPPORTED_* defines or
- 0 for autodetect */
- int magic_aneg; /* Autoneg does all speed test for us */
- const char *name;
- const struct mii_phy_ops *ops;
- };
- /* An instance of a PHY, partially borrowed from mii_if_info */
- struct mii_phy {
- struct mii_phy_def *def;
- u32 advertising; /* Ethtool ADVERTISED_* defines */
- u32 features; /* Copied from mii_phy_def.features
- or determined automaticaly */
- int address; /* PHY address */
- int mode; /* PHY mode */
- int gpcs_address; /* GPCS PHY address */
- /* 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;
- int (*mdio_read) (struct net_device * dev, int addr, int reg);
- void (*mdio_write) (struct net_device * dev, int addr, int reg,
- int val);
- };
- /* Pass in a struct mii_phy with dev, mdio_read and mdio_write
- * filled, the remaining fields will be filled on return
- */
- int emac_mii_phy_probe(struct mii_phy *phy, int address);
- int emac_mii_reset_phy(struct mii_phy *phy);
- int emac_mii_reset_gpcs(struct mii_phy *phy);
- #endif /* __IBM_NEWEMAC_PHY_H */
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