| /* |
| * drivers/net/ibm_newemac/rgmii.h |
| * |
| * Driver for PowerPC 4xx on-chip ethernet controller, RGMII bridge support. |
| * |
| * Copyright 2007 Benjamin Herrenschmidt, IBM Corp. |
| * <benh@kernel.crashing.org> |
| * |
| * Based on the arch/ppc version of the driver: |
| * |
| * 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_NEWEMAC_RGMII_H |
| #define __IBM_NEWEMAC_RGMII_H |
| |
| /* RGMII bridge type */ |
| #define RGMII_STANDARD 0 |
| #define RGMII_AXON 1 |
| |
| /* RGMII bridge */ |
| struct rgmii_regs { |
| u32 fer; /* Function enable register */ |
| u32 ssr; /* Speed select register */ |
| }; |
| |
| /* RGMII device */ |
| struct rgmii_instance { |
| struct rgmii_regs __iomem *base; |
| |
| /* RGMII bridge flags */ |
| int flags; |
| #define EMAC_RGMII_FLAG_HAS_MDIO 0x00000001 |
| |
| /* Only one EMAC whacks us at a time */ |
| struct mutex lock; |
| |
| /* number of EMACs using this RGMII bridge */ |
| int users; |
| |
| /* OF device instance */ |
| struct platform_device *ofdev; |
| }; |
| |
| #ifdef CONFIG_IBM_EMAC_RGMII |
| |
| extern int rgmii_init(void); |
| extern void rgmii_exit(void); |
| extern int rgmii_attach(struct platform_device *ofdev, int input, int mode); |
| extern void rgmii_detach(struct platform_device *ofdev, int input); |
| extern void rgmii_get_mdio(struct platform_device *ofdev, int input); |
| extern void rgmii_put_mdio(struct platform_device *ofdev, int input); |
| extern void rgmii_set_speed(struct platform_device *ofdev, int input, int speed); |
| extern int rgmii_get_regs_len(struct platform_device *ofdev); |
| extern void *rgmii_dump_regs(struct platform_device *ofdev, void *buf); |
| |
| #else |
| |
| # define rgmii_init() 0 |
| # define rgmii_exit() do { } while(0) |
| # define rgmii_attach(x,y,z) (-ENXIO) |
| # define rgmii_detach(x,y) do { } while(0) |
| # define rgmii_get_mdio(o,i) do { } while (0) |
| # define rgmii_put_mdio(o,i) do { } while (0) |
| # define rgmii_set_speed(x,y,z) do { } while(0) |
| # define rgmii_get_regs_len(x) 0 |
| # define rgmii_dump_regs(x,buf) (buf) |
| #endif /* !CONFIG_IBM_EMAC_RGMII */ |
| |
| #endif /* __IBM_NEWEMAC_RGMII_H */ |
