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1 | /* |
2 | * drivers/net/ibm_newemac/phy.h | |
3 | * | |
4 | * Driver for PowerPC 4xx on-chip ethernet controller, PHY support | |
5 | * | |
17cf803a BH |
6 | * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. |
7 | * <benh@kernel.crashing.org> | |
8 | * | |
9 | * Based on the arch/ppc version of the driver: | |
10 | * | |
1d3bb996 DG |
11 | * Benjamin Herrenschmidt <benh@kernel.crashing.org> |
12 | * February 2003 | |
13 | * | |
14 | * Minor additions by Eugene Surovegin <ebs@ebshome.net>, 2004 | |
15 | * | |
16 | * This program is free software; you can redistribute it and/or modify it | |
17 | * under the terms of the GNU General Public License as published by the | |
18 | * Free Software Foundation; either version 2 of the License, or (at your | |
19 | * option) any later version. | |
20 | * | |
21 | * This file basically duplicates sungem_phy.{c,h} with different PHYs | |
22 | * supported. I'm looking into merging that in a single mii layer more | |
23 | * flexible than mii.c | |
24 | */ | |
25 | ||
26 | #ifndef __IBM_NEWEMAC_PHY_H | |
27 | #define __IBM_NEWEMAC_PHY_H | |
28 | ||
29 | struct mii_phy; | |
30 | ||
31 | /* Operations supported by any kind of PHY */ | |
32 | struct mii_phy_ops { | |
33 | int (*init) (struct mii_phy * phy); | |
34 | int (*suspend) (struct mii_phy * phy, int wol_options); | |
35 | int (*setup_aneg) (struct mii_phy * phy, u32 advertise); | |
36 | int (*setup_forced) (struct mii_phy * phy, int speed, int fd); | |
37 | int (*poll_link) (struct mii_phy * phy); | |
38 | int (*read_link) (struct mii_phy * phy); | |
39 | }; | |
40 | ||
41 | /* Structure used to statically define an mii/gii based PHY */ | |
42 | struct mii_phy_def { | |
43 | u32 phy_id; /* Concatenated ID1 << 16 | ID2 */ | |
44 | u32 phy_id_mask; /* Significant bits */ | |
45 | u32 features; /* Ethtool SUPPORTED_* defines or | |
46 | 0 for autodetect */ | |
47 | int magic_aneg; /* Autoneg does all speed test for us */ | |
48 | const char *name; | |
49 | const struct mii_phy_ops *ops; | |
50 | }; | |
51 | ||
52 | /* An instance of a PHY, partially borrowed from mii_if_info */ | |
53 | struct mii_phy { | |
54 | struct mii_phy_def *def; | |
55 | u32 advertising; /* Ethtool ADVERTISED_* defines */ | |
56 | u32 features; /* Copied from mii_phy_def.features | |
57 | or determined automaticaly */ | |
58 | int address; /* PHY address */ | |
59 | int mode; /* PHY mode */ | |
9e3cb294 | 60 | int gpcs_address; /* GPCS PHY address */ |
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61 | |
62 | /* 1: autoneg enabled, 0: disabled */ | |
63 | int autoneg; | |
64 | ||
65 | /* forced speed & duplex (no autoneg) | |
66 | * partner speed & duplex & pause (autoneg) | |
67 | */ | |
68 | int speed; | |
69 | int duplex; | |
70 | int pause; | |
71 | int asym_pause; | |
72 | ||
73 | /* Provided by host chip */ | |
74 | struct net_device *dev; | |
75 | int (*mdio_read) (struct net_device * dev, int addr, int reg); | |
76 | void (*mdio_write) (struct net_device * dev, int addr, int reg, | |
77 | int val); | |
78 | }; | |
79 | ||
80 | /* Pass in a struct mii_phy with dev, mdio_read and mdio_write | |
81 | * filled, the remaining fields will be filled on return | |
82 | */ | |
83 | int emac_mii_phy_probe(struct mii_phy *phy, int address); | |
84 | int emac_mii_reset_phy(struct mii_phy *phy); | |
9e3cb294 | 85 | int emac_mii_reset_gpcs(struct mii_phy *phy); |
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86 | |
87 | #endif /* __IBM_NEWEMAC_PHY_H */ |