|  | /* | 
|  | * MDIO bus multiplexer framwork. | 
|  | * | 
|  | * This file is subject to the terms and conditions of the GNU General Public | 
|  | * License.  See the file "COPYING" in the main directory of this archive | 
|  | * for more details. | 
|  | * | 
|  | * Copyright (C) 2011, 2012 Cavium, Inc. | 
|  | */ | 
|  | #ifndef __LINUX_MDIO_MUX_H | 
|  | #define __LINUX_MDIO_MUX_H | 
|  | #include <linux/device.h> | 
|  | #include <linux/phy.h> | 
|  |  | 
|  | /* mdio_mux_init() - Initialize a MDIO mux | 
|  | * @dev		The device owning the MDIO mux | 
|  | * @mux_node	The device node of the MDIO mux | 
|  | * @switch_fn	The function called for switching target MDIO child | 
|  | * mux_handle	A pointer to a (void *) used internaly by mdio-mux | 
|  | * @data	Private data used by switch_fn() | 
|  | * @mux_bus	An optional parent bus (Other case are to use parent_bus property) | 
|  | */ | 
|  | int mdio_mux_init(struct device *dev, | 
|  | struct device_node *mux_node, | 
|  | int (*switch_fn) (int cur, int desired, void *data), | 
|  | void **mux_handle, | 
|  | void *data, | 
|  | struct mii_bus *mux_bus); | 
|  |  | 
|  | void mdio_mux_uninit(void *mux_handle); | 
|  |  | 
|  | #endif /* __LINUX_MDIO_MUX_H */ |