1*9aa32835SJeff Kirsher /* 2*9aa32835SJeff Kirsher * drivers/net/ibm_newemac/phy.h 3*9aa32835SJeff Kirsher * 4*9aa32835SJeff Kirsher * Driver for PowerPC 4xx on-chip ethernet controller, PHY support 5*9aa32835SJeff Kirsher * 6*9aa32835SJeff Kirsher * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. 7*9aa32835SJeff Kirsher * <benh@kernel.crashing.org> 8*9aa32835SJeff Kirsher * 9*9aa32835SJeff Kirsher * Based on the arch/ppc version of the driver: 10*9aa32835SJeff Kirsher * 11*9aa32835SJeff Kirsher * Benjamin Herrenschmidt <benh@kernel.crashing.org> 12*9aa32835SJeff Kirsher * February 2003 13*9aa32835SJeff Kirsher * 14*9aa32835SJeff Kirsher * Minor additions by Eugene Surovegin <ebs@ebshome.net>, 2004 15*9aa32835SJeff Kirsher * 16*9aa32835SJeff Kirsher * This program is free software; you can redistribute it and/or modify it 17*9aa32835SJeff Kirsher * under the terms of the GNU General Public License as published by the 18*9aa32835SJeff Kirsher * Free Software Foundation; either version 2 of the License, or (at your 19*9aa32835SJeff Kirsher * option) any later version. 20*9aa32835SJeff Kirsher * 21*9aa32835SJeff Kirsher * This file basically duplicates sungem_phy.{c,h} with different PHYs 22*9aa32835SJeff Kirsher * supported. I'm looking into merging that in a single mii layer more 23*9aa32835SJeff Kirsher * flexible than mii.c 24*9aa32835SJeff Kirsher */ 25*9aa32835SJeff Kirsher 26*9aa32835SJeff Kirsher #ifndef __IBM_NEWEMAC_PHY_H 27*9aa32835SJeff Kirsher #define __IBM_NEWEMAC_PHY_H 28*9aa32835SJeff Kirsher 29*9aa32835SJeff Kirsher struct mii_phy; 30*9aa32835SJeff Kirsher 31*9aa32835SJeff Kirsher /* Operations supported by any kind of PHY */ 32*9aa32835SJeff Kirsher struct mii_phy_ops { 33*9aa32835SJeff Kirsher int (*init) (struct mii_phy * phy); 34*9aa32835SJeff Kirsher int (*suspend) (struct mii_phy * phy, int wol_options); 35*9aa32835SJeff Kirsher int (*setup_aneg) (struct mii_phy * phy, u32 advertise); 36*9aa32835SJeff Kirsher int (*setup_forced) (struct mii_phy * phy, int speed, int fd); 37*9aa32835SJeff Kirsher int (*poll_link) (struct mii_phy * phy); 38*9aa32835SJeff Kirsher int (*read_link) (struct mii_phy * phy); 39*9aa32835SJeff Kirsher }; 40*9aa32835SJeff Kirsher 41*9aa32835SJeff Kirsher /* Structure used to statically define an mii/gii based PHY */ 42*9aa32835SJeff Kirsher struct mii_phy_def { 43*9aa32835SJeff Kirsher u32 phy_id; /* Concatenated ID1 << 16 | ID2 */ 44*9aa32835SJeff Kirsher u32 phy_id_mask; /* Significant bits */ 45*9aa32835SJeff Kirsher u32 features; /* Ethtool SUPPORTED_* defines or 46*9aa32835SJeff Kirsher 0 for autodetect */ 47*9aa32835SJeff Kirsher int magic_aneg; /* Autoneg does all speed test for us */ 48*9aa32835SJeff Kirsher const char *name; 49*9aa32835SJeff Kirsher const struct mii_phy_ops *ops; 50*9aa32835SJeff Kirsher }; 51*9aa32835SJeff Kirsher 52*9aa32835SJeff Kirsher /* An instance of a PHY, partially borrowed from mii_if_info */ 53*9aa32835SJeff Kirsher struct mii_phy { 54*9aa32835SJeff Kirsher struct mii_phy_def *def; 55*9aa32835SJeff Kirsher u32 advertising; /* Ethtool ADVERTISED_* defines */ 56*9aa32835SJeff Kirsher u32 features; /* Copied from mii_phy_def.features 57*9aa32835SJeff Kirsher or determined automaticaly */ 58*9aa32835SJeff Kirsher int address; /* PHY address */ 59*9aa32835SJeff Kirsher int mode; /* PHY mode */ 60*9aa32835SJeff Kirsher int gpcs_address; /* GPCS PHY address */ 61*9aa32835SJeff Kirsher 62*9aa32835SJeff Kirsher /* 1: autoneg enabled, 0: disabled */ 63*9aa32835SJeff Kirsher int autoneg; 64*9aa32835SJeff Kirsher 65*9aa32835SJeff Kirsher /* forced speed & duplex (no autoneg) 66*9aa32835SJeff Kirsher * partner speed & duplex & pause (autoneg) 67*9aa32835SJeff Kirsher */ 68*9aa32835SJeff Kirsher int speed; 69*9aa32835SJeff Kirsher int duplex; 70*9aa32835SJeff Kirsher int pause; 71*9aa32835SJeff Kirsher int asym_pause; 72*9aa32835SJeff Kirsher 73*9aa32835SJeff Kirsher /* Provided by host chip */ 74*9aa32835SJeff Kirsher struct net_device *dev; 75*9aa32835SJeff Kirsher int (*mdio_read) (struct net_device * dev, int addr, int reg); 76*9aa32835SJeff Kirsher void (*mdio_write) (struct net_device * dev, int addr, int reg, 77*9aa32835SJeff Kirsher int val); 78*9aa32835SJeff Kirsher }; 79*9aa32835SJeff Kirsher 80*9aa32835SJeff Kirsher /* Pass in a struct mii_phy with dev, mdio_read and mdio_write 81*9aa32835SJeff Kirsher * filled, the remaining fields will be filled on return 82*9aa32835SJeff Kirsher */ 83*9aa32835SJeff Kirsher int emac_mii_phy_probe(struct mii_phy *phy, int address); 84*9aa32835SJeff Kirsher int emac_mii_reset_phy(struct mii_phy *phy); 85*9aa32835SJeff Kirsher int emac_mii_reset_gpcs(struct mii_phy *phy); 86*9aa32835SJeff Kirsher 87*9aa32835SJeff Kirsher #endif /* __IBM_NEWEMAC_PHY_H */ 88