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6aa20a22 | 1 | /* |
bb40dcbb AF |
2 | * drivers/net/gianfar_mii.h |
3 | * | |
4 | * Gianfar Ethernet Driver -- MII Management Bus Implementation | |
5 | * Driver for the MDIO bus controller in the Gianfar register space | |
6 | * | |
7 | * Author: Andy Fleming | |
4c8d3d99 | 8 | * Maintainer: Kumar Gala |
bb40dcbb AF |
9 | * |
10 | * Copyright (c) 2002-2004 Freescale Semiconductor, Inc. | |
11 | * | |
12 | * This program is free software; you can redistribute it and/or modify it | |
13 | * under the terms of the GNU General Public License as published by the | |
14 | * Free Software Foundation; either version 2 of the License, or (at your | |
15 | * option) any later version. | |
16 | * | |
17 | */ | |
18 | #ifndef __GIANFAR_MII_H | |
19 | #define __GIANFAR_MII_H | |
20 | ||
c132419e TP |
21 | struct gfar_private; /* forward ref */ |
22 | ||
bb40dcbb AF |
23 | #define MIIMIND_BUSY 0x00000001 |
24 | #define MIIMIND_NOTVALID 0x00000004 | |
25 | ||
26 | #define MII_READ_COMMAND 0x00000001 | |
27 | ||
28 | #define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \ | |
7f7f5316 | 29 | | SUPPORTED_10baseT_Full \ |
bb40dcbb AF |
30 | | SUPPORTED_100baseT_Half \ |
31 | | SUPPORTED_100baseT_Full \ | |
32 | | SUPPORTED_Autoneg \ | |
33 | | SUPPORTED_MII) | |
34 | ||
35 | struct gfar_mii { | |
36 | u32 miimcfg; /* 0x.520 - MII Management Config Register */ | |
37 | u32 miimcom; /* 0x.524 - MII Management Command Register */ | |
38 | u32 miimadd; /* 0x.528 - MII Management Address Register */ | |
39 | u32 miimcon; /* 0x.52c - MII Management Control Register */ | |
40 | u32 miimstat; /* 0x.530 - MII Management Status Register */ | |
41 | u32 miimind; /* 0x.534 - MII Management Indicator Register */ | |
42 | }; | |
43 | ||
44 | int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum); | |
45 | int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value); | |
d0313587 PG |
46 | int gfar_local_mdio_write(struct gfar_mii __iomem *regs, int mii_id, |
47 | int regnum, u16 value); | |
48 | int gfar_local_mdio_read(struct gfar_mii __iomem *regs, int mii_id, int regnum); | |
c132419e | 49 | struct mii_bus *gfar_get_miibus(const struct gfar_private *priv); |
bb40dcbb | 50 | int __init gfar_mdio_init(void); |
b9daf6c0 | 51 | void gfar_mdio_exit(void); |
b31a1d8b AF |
52 | |
53 | void gfar_mdio_bus_name(char *name, struct device_node *np); | |
bb40dcbb | 54 | #endif /* GIANFAR_PHY_H */ |