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| author | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
|---|---|---|
| committer | Srikant Patnaik | 2015-01-13 15:08:24 +0530 |
| commit | 97327692361306d1e6259021bc425e32832fdb50 (patch) | |
| tree | fe9088f3248ec61e24f404f21b9793cb644b7f01 /drivers/net/ethernet/ibm/emac/rgmii.h | |
| parent | 2d05a8f663478a44e088d122e0d62109bbc801d0 (diff) | |
| parent | a3a8b90b61e21be3dde9101c4e86c881e0f06210 (diff) | |
| download | FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.gz FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.tar.bz2 FOSSEE-netbook-kernel-source-97327692361306d1e6259021bc425e32832fdb50.zip | |
dirty fix to merging
Diffstat (limited to 'drivers/net/ethernet/ibm/emac/rgmii.h')
| -rw-r--r-- | drivers/net/ethernet/ibm/emac/rgmii.h | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/drivers/net/ethernet/ibm/emac/rgmii.h b/drivers/net/ethernet/ibm/emac/rgmii.h new file mode 100644 index 00000000..668bceef --- /dev/null +++ b/drivers/net/ethernet/ibm/emac/rgmii.h @@ -0,0 +1,82 @@ +/* + * 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 + +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 */ |