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/* SPDX-License-Identifier: GPL-2.0+ */
/*
* Copyright (C) 2026 Airoha Technology Corp.
* Copyright (C) 2026 Collabora Ltd.
* Louis-Alexis Eyraud <louisalexis.eyraud@collabora.com>
*/
#ifndef __AIR_PHY_LIB_H
#define __AIR_PHY_LIB_H
#include <linux/phy.h>
#define AIR_EXT_PAGE_ACCESS 0x1f
#define AIR_PHY_PAGE_STANDARD 0x0000
#define AIR_PHY_PAGE_EXTENDED_1 0x0001
#define AIR_PHY_PAGE_EXTENDED_4 0x0004
/* MII Registers Page 4*/
#define AIR_BPBUS_MODE 0x10
#define AIR_BPBUS_MODE_ADDR_FIXED 0x0000
#define AIR_BPBUS_MODE_ADDR_INCR BIT(15)
#define AIR_BPBUS_WR_ADDR_HIGH 0x11
#define AIR_BPBUS_WR_ADDR_LOW 0x12
#define AIR_BPBUS_WR_DATA_HIGH 0x13
#define AIR_BPBUS_WR_DATA_LOW 0x14
#define AIR_BPBUS_RD_ADDR_HIGH 0x15
#define AIR_BPBUS_RD_ADDR_LOW 0x16
#define AIR_BPBUS_RD_DATA_HIGH 0x17
#define AIR_BPBUS_RD_DATA_LOW 0x18
int air_phy_buckpbus_reg_modify(struct phy_device *phydev, u32 pbus_address,
u32 mask, u32 set);
int air_phy_buckpbus_reg_read(struct phy_device *phydev, u32 pbus_address,
u32 *pbus_data);
int air_phy_buckpbus_reg_write(struct phy_device *phydev, u32 pbus_address,
u32 pbus_data);
int air_phy_read_page(struct phy_device *phydev);
int air_phy_write_page(struct phy_device *phydev, int page);
#endif /* __AIR_PHY_LIB_H */
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