// SPDX-License-Identifier: GPL-2.0+/* *	Driver for Broadcom 63xx SOCs integrated PHYs */#include "bcm-phy-lib.h"#include <linux/module.h>#include <linux/phy.h> #define MII_BCM63XX_IR		0x1a	/* interrupt register */#define MII_BCM63XX_IR_EN	0x4000	/* global interrupt enable */#define MII_BCM63XX_IR_DUPLEX	0x0800	/* duplex changed */#define MII_BCM63XX_IR_SPEED	0x0400	/* speed changed */#define MII_BCM63XX_IR_LINK	0x0200	/* link changed */#define MII_BCM63XX_IR_GMASK	0x0100	/* global interrupt mask */ MODULE_DESCRIPTION("Broadcom 63xx internal PHY driver");MODULE_AUTHOR("Maxime Bizon <mbizon@freebox.fr>");MODULE_LICENSE("GPL"); static int bcm63xx_config_intr(struct phy_device *phydev){	int reg, err; 	reg = phy_read(phydev, MII_BCM63XX_IR);	if (reg < 0)		return reg; 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {		err = bcm_phy_ack_intr(phydev);		if (err)			return err; 		reg &= ~MII_BCM63XX_IR_GMASK;		err = phy_write(phydev, MII_BCM63XX_IR, reg);	} else {		reg |= MII_BCM63XX_IR_GMASK;		err = phy_write(phydev, MII_BCM63XX_IR, reg);		if (err)			return err; 		err = bcm_phy_ack_intr(phydev);	} 	return err;} static int bcm63xx_config_init(struct phy_device *phydev){	int reg, err; 	/* ASYM_PAUSE bit is marked RO in datasheet, so don't cheat */	linkmode_set_bit(ETHTOOL_LINK_MODE_Pause_BIT, phydev->supported); 	reg = phy_read(phydev, MII_BCM63XX_IR);	if (reg < 0)		return reg; 	/* Mask interrupts globally.  */	reg |= MII_BCM63XX_IR_GMASK;	err = phy_write(phydev, MII_BCM63XX_IR, reg);	if (err < 0)		return err; 	/* Unmask events we are interested in  */	reg = ~(MII_BCM63XX_IR_DUPLEX |		MII_BCM63XX_IR_SPEED |		MII_BCM63XX_IR_LINK) |		MII_BCM63XX_IR_EN;	return phy_write(phydev, MII_BCM63XX_IR, reg);} static struct phy_driver bcm63xx_driver[] = {{	.phy_id		= 0x00406000,	.phy_id_mask	= 0xfffffc00,	.name		= "Broadcom BCM63XX (1)",	/* PHY_BASIC_FEATURES */	.flags		= PHY_IS_INTERNAL,	.config_init	= bcm63xx_config_init,	.config_intr	= bcm63xx_config_intr,	.handle_interrupt = bcm_phy_handle_interrupt,}, {	/* same phy as above, with just a different OUI */	.phy_id		= 0x002bdc00,	.phy_id_mask	= 0xfffffc00,	.name		= "Broadcom BCM63XX (2)",	/* PHY_BASIC_FEATURES */	.flags		= PHY_IS_INTERNAL,	.config_init	= bcm63xx_config_init,	.config_intr	= bcm63xx_config_intr,	.handle_interrupt = bcm_phy_handle_interrupt,} }; module_phy_driver(bcm63xx_driver); static const struct mdio_device_id __maybe_unused bcm63xx_tbl[] = {	{ 0x00406000, 0xfffffc00 },	{ 0x002bdc00, 0xfffffc00 },	{ }}; MODULE_DEVICE_TABLE(mdio, bcm63xx_tbl);