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/*
* drivers/net/gianfar_mii.h
*
* Gianfar Ethernet Driver -- MII Management Bus Implementation
* Driver for the MDIO bus controller in the Gianfar register space
*
* Author: Andy Fleming
* Maintainer: Kumar Gala
*
* Copyright (c) 2002-2004 Freescale Semiconductor, Inc.
*
* 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.
*
*/
#ifndef __GIANFAR_MII_H
#define __GIANFAR_MII_H
struct gfar_private; /* forward ref */
#define MIIMIND_BUSY 0x00000001
#define MIIMIND_NOTVALID 0x00000004
#define MII_READ_COMMAND 0x00000001
#define GFAR_SUPPORTED (SUPPORTED_10baseT_Half \
| SUPPORTED_10baseT_Full \
| SUPPORTED_100baseT_Half \
| SUPPORTED_100baseT_Full \
| SUPPORTED_Autoneg \
| SUPPORTED_MII)
struct gfar_mii {
u32 miimcfg; /* 0x.520 - MII Management Config Register */
u32 miimcom; /* 0x.524 - MII Management Command Register */
u32 miimadd; /* 0x.528 - MII Management Address Register */
u32 miimcon; /* 0x.52c - MII Management Control Register */
u32 miimstat; /* 0x.530 - MII Management Status Register */
u32 miimind; /* 0x.534 - MII Management Indicator Register */
};
int gfar_mdio_read(struct mii_bus *bus, int mii_id, int regnum);
int gfar_mdio_write(struct mii_bus *bus, int mii_id, int regnum, u16 value);
int gfar_local_mdio_write(struct gfar_mii __iomem *regs, int mii_id,
int regnum, u16 value);
int gfar_local_mdio_read(struct gfar_mii __iomem *regs, int mii_id, int regnum);
struct mii_bus *gfar_get_miibus(const struct gfar_private *priv);
int __init gfar_mdio_init(void);
void gfar_mdio_exit(void);
void gfar_mdio_bus_name(char *name, struct device_node *np);
#endif /* GIANFAR_PHY_H */
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