2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
84 lines
2.4 KiB
C
84 lines
2.4 KiB
C
/* SPDX-License-Identifier: GPL-2.0-or-later */
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/*
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* drivers/net/ethernet/ibm/emac/phy.h
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*
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* Driver for PowerPC 4xx on-chip ethernet controller, PHY support
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*
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* Copyright 2007 Benjamin Herrenschmidt, IBM Corp.
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* <benh@kernel.crashing.org>
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*
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* Based on the arch/ppc version of the driver:
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*
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* Benjamin Herrenschmidt <benh@kernel.crashing.org>
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* February 2003
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*
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* Minor additions by Eugene Surovegin <ebs@ebshome.net>, 2004
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*
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* This file basically duplicates sungem_phy.{c,h} with different PHYs
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* supported. I'm looking into merging that in a single mii layer more
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* flexible than mii.c
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*/
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#ifndef __IBM_NEWEMAC_PHY_H
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#define __IBM_NEWEMAC_PHY_H
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struct mii_phy;
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/* Operations supported by any kind of PHY */
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struct mii_phy_ops {
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int (*init) (struct mii_phy * phy);
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int (*suspend) (struct mii_phy * phy, int wol_options);
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int (*setup_aneg) (struct mii_phy * phy, u32 advertise);
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int (*setup_forced) (struct mii_phy * phy, int speed, int fd);
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int (*poll_link) (struct mii_phy * phy);
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int (*read_link) (struct mii_phy * phy);
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};
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/* Structure used to statically define an mii/gii based PHY */
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struct mii_phy_def {
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u32 phy_id; /* Concatenated ID1 << 16 | ID2 */
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u32 phy_id_mask; /* Significant bits */
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u32 features; /* Ethtool SUPPORTED_* defines or
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0 for autodetect */
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int magic_aneg; /* Autoneg does all speed test for us */
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const char *name;
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const struct mii_phy_ops *ops;
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};
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/* An instance of a PHY, partially borrowed from mii_if_info */
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struct mii_phy {
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struct mii_phy_def *def;
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u32 advertising; /* Ethtool ADVERTISED_* defines */
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u32 features; /* Copied from mii_phy_def.features
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or determined automaticaly */
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int address; /* PHY address */
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int mode; /* PHY mode */
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int gpcs_address; /* GPCS PHY address */
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/* 1: autoneg enabled, 0: disabled */
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int autoneg;
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/* forced speed & duplex (no autoneg)
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* partner speed & duplex & pause (autoneg)
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*/
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int speed;
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int duplex;
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int pause;
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int asym_pause;
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/* Provided by host chip */
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struct net_device *dev;
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int (*mdio_read) (struct net_device * dev, int addr, int reg);
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void (*mdio_write) (struct net_device * dev, int addr, int reg,
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int val);
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};
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/* Pass in a struct mii_phy with dev, mdio_read and mdio_write
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* filled, the remaining fields will be filled on return
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*/
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int emac_mii_phy_probe(struct mii_phy *phy, int address);
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int emac_mii_reset_phy(struct mii_phy *phy);
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int emac_mii_reset_gpcs(struct mii_phy *phy);
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#endif /* __IBM_NEWEMAC_PHY_H */
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