/*
   * 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 */