/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* drivers / net / ethernet / ibm / emac / zmii . h
*
* Driver for PowerPC 4 xx on - chip ethernet controller , ZMII bridge support .
*
* Copyright 2007 Benjamin Herrenschmidt , IBM Corp .
* < benh @ kernel . crashing . org >
*
* Based on the arch / ppc version of the driver :
*
* Copyright ( c ) 2004 , 2005 Zultys Technologies .
* Eugene Surovegin < eugene . surovegin @ zultys . com > or < ebs @ ebshome . net >
*
* Based on original work by
* Armin Kuster < akuster @ mvista . com >
* Copyright 2001 MontaVista Softare Inc .
*/
#ifndef __IBM_NEWEMAC_ZMII_H
#define __IBM_NEWEMAC_ZMII_H
/* ZMII bridge registers */
struct zmii_regs {
u32 fer; /* Function enable reg */
u32 ssr; /* Speed select reg */
u32 smiirs; /* SMII status reg */
};
/* ZMII device */
struct zmii_instance {
struct zmii_regs __iomem *base;
/* Only one EMAC whacks us at a time */
struct mutex lock;
/* subset of PHY_MODE_XXXX */
int mode;
/* number of EMACs using this ZMII bridge */
int users;
/* FER value left by firmware */
u32 fer_save;
/* OF device instance */
struct platform_device *ofdev;
};
#ifdef CONFIG_IBM_EMAC_ZMII
int zmii_init(void );
void zmii_exit(void );
int zmii_attach(struct platform_device *ofdev, int input,
phy_interface_t *mode);
void zmii_detach(struct platform_device *ofdev, int input);
void zmii_get_mdio(struct platform_device *ofdev, int input);
void zmii_put_mdio(struct platform_device *ofdev, int input);
void zmii_set_speed(struct platform_device *ofdev, int input, int speed);
int zmii_get_regs_len(struct platform_device *ocpdev);
void *zmii_dump_regs(struct platform_device *ofdev, void *buf);
#else
# define zmii_init() 0
# define zmii_exit() do { } while (0 )
# define zmii_attach(x,y,z) (-ENXIO)
# define zmii_detach(x,y) do { } while (0 )
# define zmii_get_mdio(x,y) do { } while (0 )
# define zmii_put_mdio(x,y) do { } while (0 )
# define zmii_set_speed(x,y,z) do { } while (0 )
# define zmii_get_regs_len(x) 0
# define zmii_dump_regs(x,buf) (buf)
#endif /* !CONFIG_IBM_EMAC_ZMII */
#endif /* __IBM_NEWEMAC_ZMII_H */
Messung V0.5 in Prozent C=82 H=53 G=68
¤ Dauer der Verarbeitung: 0.9 Sekunden
(vorverarbeitet am 2026-10-01)
¤
*© Formatika GbR, Deutschland