2005-04-17 06:20:36 +08:00
|
|
|
/*
|
2005-10-11 07:58:14 +08:00
|
|
|
* drivers/net/ibm_emac/ibm_emac_zmii.h
|
2005-04-17 06:20:36 +08:00
|
|
|
*
|
2005-10-11 07:58:14 +08:00
|
|
|
* Driver for PowerPC 4xx on-chip ethernet controller, ZMII bridge support.
|
2005-04-17 06:20:36 +08:00
|
|
|
*
|
2005-10-11 07:58:14 +08:00
|
|
|
* Copyright (c) 2004, 2005 Zultys Technologies.
|
|
|
|
* Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net>
|
2005-04-17 06:20:36 +08:00
|
|
|
*
|
2005-10-11 07:58:14 +08:00
|
|
|
* Based on original work by
|
|
|
|
* Armin Kuster <akuster@mvista.com>
|
|
|
|
* Copyright 2001 MontaVista Softare Inc.
|
2005-04-17 06:20:36 +08:00
|
|
|
*
|
|
|
|
* 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.
|
2005-10-11 07:58:14 +08:00
|
|
|
*
|
2005-04-17 06:20:36 +08:00
|
|
|
*/
|
|
|
|
#ifndef _IBM_EMAC_ZMII_H_
|
|
|
|
#define _IBM_EMAC_ZMII_H_
|
|
|
|
|
|
|
|
#include <linux/config.h>
|
2005-10-11 07:58:14 +08:00
|
|
|
#include <linux/init.h>
|
|
|
|
#include <asm/ocp.h>
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
/* ZMII bridge registers */
|
|
|
|
struct zmii_regs {
|
|
|
|
u32 fer; /* Function enable reg */
|
|
|
|
u32 ssr; /* Speed select reg */
|
|
|
|
u32 smiirs; /* SMII status reg */
|
|
|
|
};
|
|
|
|
|
|
|
|
/* ZMII device */
|
|
|
|
struct ibm_ocp_zmii {
|
|
|
|
struct zmii_regs *base;
|
2005-10-11 07:58:14 +08:00
|
|
|
int mode; /* subset of PHY_MODE_XXXX */
|
2005-04-17 06:20:36 +08:00
|
|
|
int users; /* number of EMACs using this ZMII bridge */
|
2005-10-11 07:58:14 +08:00
|
|
|
u32 fer_save; /* FER value left by firmware */
|
2005-04-17 06:20:36 +08:00
|
|
|
};
|
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
#ifdef CONFIG_IBM_EMAC_ZMII
|
|
|
|
int zmii_attach(void *emac) __init;
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
void __zmii_fini(struct ocp_device *ocpdev, int input) __exit;
|
|
|
|
static inline void zmii_fini(struct ocp_device *ocpdev, int input)
|
|
|
|
{
|
|
|
|
if (ocpdev)
|
|
|
|
__zmii_fini(ocpdev, input);
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
void __zmii_enable_mdio(struct ocp_device *ocpdev, int input);
|
|
|
|
static inline void zmii_enable_mdio(struct ocp_device *ocpdev, int input)
|
|
|
|
{
|
|
|
|
if (ocpdev)
|
|
|
|
__zmii_enable_mdio(ocpdev, input);
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
void __zmii_set_speed(struct ocp_device *ocpdev, int input, int speed);
|
|
|
|
static inline void zmii_set_speed(struct ocp_device *ocpdev, int input,
|
|
|
|
int speed)
|
|
|
|
{
|
|
|
|
if (ocpdev)
|
|
|
|
__zmii_set_speed(ocpdev, input, speed);
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
int __zmii_get_regs_len(struct ocp_device *ocpdev);
|
|
|
|
static inline int zmii_get_regs_len(struct ocp_device *ocpdev)
|
|
|
|
{
|
|
|
|
return ocpdev ? __zmii_get_regs_len(ocpdev) : 0;
|
|
|
|
}
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
void *zmii_dump_regs(struct ocp_device *ocpdev, void *buf);
|
2005-04-17 06:20:36 +08:00
|
|
|
|
2005-10-11 07:58:14 +08:00
|
|
|
#else
|
|
|
|
# define zmii_attach(x) 0
|
|
|
|
# define zmii_fini(x,y) ((void)0)
|
|
|
|
# define zmii_enable_mdio(x,y) ((void)0)
|
|
|
|
# define zmii_set_speed(x,y,z) ((void)0)
|
|
|
|
# define zmii_get_regs_len(x) 0
|
|
|
|
# define zmii_dump_regs(x,buf) (buf)
|
|
|
|
#endif /* !CONFIG_IBM_EMAC_ZMII */
|
2005-04-17 06:20:36 +08:00
|
|
|
|
|
|
|
#endif /* _IBM_EMAC_ZMII_H_ */
|