| /* | |
| * drivers/net/ethernet/ibm/emac/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 | |
| int rgmii_init(void); | |
| void rgmii_exit(void); | |
| int rgmii_attach(struct platform_device *ofdev, int input, int mode); | |
| void rgmii_detach(struct platform_device *ofdev, int input); | |
| void rgmii_get_mdio(struct platform_device *ofdev, int input); | |
| void rgmii_put_mdio(struct platform_device *ofdev, int input); | |
| void rgmii_set_speed(struct platform_device *ofdev, int input, int speed); | |
| int rgmii_get_regs_len(struct platform_device *ofdev); | |
| 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 */ |