/* * drivers/net/ibm_emac/ibm_emac_rgmii.h * * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. * * Based on ocp_zmii.h/ibm_emac_zmii.h * Armin Kuster akuster@mvista.com * * Copyright 2004 MontaVista Software, Inc. * Matt Porter <mporter@kernel.crashing.org> * * Copyright (c) 2004, 2005 Zultys Technologies. * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> * * 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 _IBM_EMAC_RGMII_H_ #define _IBM_EMAC_RGMII_H_ /* RGMII bridge */ struct rgmii_regs { u32 fer; /* Function enable register */ u32 ssr; /* Speed select register */ }; /* RGMII device */ struct ibm_ocp_rgmii { struct rgmii_regs __iomem *base; int users; /* number of EMACs using this RGMII bridge */ }; #ifdef CONFIG_IBM_EMAC_RGMII int rgmii_attach(void *emac) __init; void __rgmii_fini(struct ocp_device *ocpdev, int input); static inline void rgmii_fini(struct ocp_device *ocpdev, int input) { if (ocpdev) __rgmii_fini(ocpdev, input); } void rgmii_set_speed(struct ocp_device *ocpdev, int input, int speed); int __rgmii_get_regs_len(struct ocp_device *ocpdev); static inline int rgmii_get_regs_len(struct ocp_device *ocpdev) { return ocpdev ? __rgmii_get_regs_len(ocpdev) : 0; } void *rgmii_dump_regs(struct ocp_device *ocpdev, void *buf); #else # define rgmii_attach(x) 0 # define rgmii_fini(x,y) ((void)0) # define rgmii_set_speed(x,y,z) ((void)0) # define rgmii_get_regs_len(x) 0 # define rgmii_dump_regs(x,buf) (buf) #endif /* !CONFIG_IBM_EMAC_RGMII */ #endif /* _IBM_EMAC_RGMII_H_ */