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1 | /* | |
2 | * MDIO bus multiplexer framwork. | |
3 | * | |
4 | * This file is subject to the terms and conditions of the GNU General Public | |
5 | * License. See the file "COPYING" in the main directory of this archive | |
6 | * for more details. | |
7 | * | |
8 | * Copyright (C) 2011, 2012 Cavium, Inc. | |
9 | */ | |
10 | #ifndef __LINUX_MDIO_MUX_H | |
11 | #define __LINUX_MDIO_MUX_H | |
12 | #include <linux/device.h> | |
13 | #include <linux/phy.h> | |
14 | ||
15 | /* mdio_mux_init() - Initialize a MDIO mux | |
16 | * @dev The device owning the MDIO mux | |
17 | * @mux_node The device node of the MDIO mux | |
18 | * @switch_fn The function called for switching target MDIO child | |
19 | * mux_handle A pointer to a (void *) used internaly by mdio-mux | |
20 | * @data Private data used by switch_fn() | |
21 | * @mux_bus An optional parent bus (Other case are to use parent_bus property) | |
22 | */ | |
23 | int mdio_mux_init(struct device *dev, | |
24 | struct device_node *mux_node, | |
25 | int (*switch_fn) (int cur, int desired, void *data), | |
26 | void **mux_handle, | |
27 | void *data, | |
28 | struct mii_bus *mux_bus); | |
29 | ||
30 | void mdio_mux_uninit(void *mux_handle); | |
31 | ||
32 | #endif /* __LINUX_MDIO_MUX_H */ |