linux/include/linux/mdio-bitbang.h

/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __LINUX_MDIO_BITBANG_H
#define __LINUX_MDIO_BITBANG_H

#include <linux/phy.h>

struct module;

struct mdiobb_ctrl;

struct mdiobb_ops { … };

struct mdiobb_ctrl { … };

int mdiobb_read_c22(struct mii_bus *bus, int phy, int reg);
int mdiobb_write_c22(struct mii_bus *bus, int phy, int reg, u16 val);
int mdiobb_read_c45(struct mii_bus *bus, int devad, int phy, int reg);
int mdiobb_write_c45(struct mii_bus *bus, int devad, int phy, int reg, u16 val);

/* The returned bus is not yet registered with the phy layer. */
struct mii_bus *alloc_mdio_bitbang(struct mdiobb_ctrl *ctrl);

/* The bus must already have been unregistered. */
void free_mdio_bitbang(struct mii_bus *bus);

#endif