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-rw-r--r--drivers/net/ibm_newemac/rgmii.h76
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diff --git a/drivers/net/ibm_newemac/rgmii.h b/drivers/net/ibm_newemac/rgmii.h
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+/*
+ * drivers/net/ibm_newemac/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_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;
+
+ /* Type of RGMII bridge */
+ int type;
+
+ /* Only one EMAC whacks us at a time */
+ struct mutex lock;
+
+ /* number of EMACs using this RGMII bridge */
+ int users;
+
+ /* OF device instance */
+ struct of_device *ofdev;
+};
+
+#ifdef CONFIG_IBM_NEW_EMAC_RGMII
+
+extern int rgmii_init(void);
+extern void rgmii_exit(void);
+extern int rgmii_attach(struct of_device *ofdev, int input, int mode);
+extern void rgmii_detach(struct of_device *ofdev, int input);
+extern void rgmii_get_mdio(struct of_device *ofdev, int input);
+extern void rgmii_put_mdio(struct of_device *ofdev, int input);
+extern void rgmii_set_speed(struct of_device *ofdev, int input, int speed);
+extern int rgmii_get_regs_len(struct of_device *ofdev);
+extern void *rgmii_dump_regs(struct of_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_NEW_EMAC_RGMII */
+
+#endif /* __IBM_NEWEMAC_RGMII_H */
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