/* * drivers/net/phy/lxt.c * * Driver for Intel LXT PHYs * * Author: Andy Fleming * * Copyright (c) 2004 Freescale Semiconductor, Inc. * * This program is free software; you can redistribute  it and/or modify it * under  the terms of  the GNU General  Public License as published by the * Free Software Foundation;  either version 2 of the  License, or (at your * option) any later version. * */#include <linux/config.h>#include <linux/kernel.h>#include <linux/sched.h>#include <linux/string.h>#include <linux/errno.h>#include <linux/unistd.h>#include <linux/slab.h>#include <linux/interrupt.h>#include <linux/init.h>#include <linux/delay.h>#include <linux/netdevice.h>#include <linux/etherdevice.h>#include <linux/skbuff.h>#include <linux/spinlock.h>#include <linux/mm.h>#include <linux/module.h>#include <linux/mii.h>#include <linux/ethtool.h>#include <linux/phy.h>#include <asm/io.h>#include <asm/irq.h>#include <asm/uaccess.h>/* The Level one LXT970 is used by many boards				     */#define MII_LXT970_IER       17  /* Interrupt Enable Register */#define MII_LXT970_IER_IEN	0x0002#define MII_LXT970_ISR       18  /* Interrupt Status Register */#define MII_LXT970_CONFIG    19  /* Configuration Register    *//* ------------------------------------------------------------------------- *//* The Level one LXT971 is used on some of my custom boards                  *//* register definitions for the 971 */#define MII_LXT971_IER		18  /* Interrupt Enable Register */#define MII_LXT971_IER_IEN	0x00f2#define MII_LXT971_ISR		19  /* Interrupt Status Register */MODULE_DESCRIPTION("Intel LXT PHY driver");MODULE_AUTHOR("Andy Fleming");MODULE_LICENSE("GPL");static int lxt970_ack_interrupt(struct phy_device *phydev){	int err;	err = phy_read(phydev, MII_BMSR);	if (err < 0)		return err;	err = phy_read(phydev, MII_LXT970_ISR);	if (err < 0)		return err;	return 0;}static int lxt970_config_intr(struct phy_device *phydev){	int err;	if(phydev->interrupts == PHY_INTERRUPT_ENABLED)		err = phy_write(phydev, MII_LXT970_IER, MII_LXT970_IER_IEN);	else		err = phy_write(phydev, MII_LXT970_IER, 0);	return err;}static int lxt970_config_init(struct phy_device *phydev){	int err;	err = phy_write(phydev, MII_LXT970_CONFIG, 0);	return err;}static int lxt971_ack_interrupt(struct phy_device *phydev){	int err = phy_read(phydev, MII_LXT971_ISR);	if (err < 0)		return err;	return 0;}static int lxt971_config_intr(struct phy_device *phydev){	int err;	if(phydev->interrupts == PHY_INTERRUPT_ENABLED)		err = phy_write(phydev, MII_LXT971_IER, MII_LXT971_IER_IEN);	else		err = phy_write(phydev, MII_LXT971_IER, 0);	return err;}static struct phy_driver lxt970_driver = {	.phy_id		= 0x07810000,	.name		= "LXT970",	.phy_id_mask	= 0x0fffffff,	.features	= PHY_BASIC_FEATURES,	.flags		= PHY_HAS_INTERRUPT,	.config_init	= lxt970_config_init,	.config_aneg	= genphy_config_aneg,	.read_status	= genphy_read_status,	.ack_interrupt	= lxt970_ack_interrupt,	.config_intr	= lxt970_config_intr,	.driver 	= { .owner = THIS_MODULE,},};static struct phy_driver lxt971_driver = {	.phy_id		= 0x0001378e,	.name		= "LXT971",	.phy_id_mask	= 0x0fffffff,	.features	= PHY_BASIC_FEATURES,	.flags		= PHY_HAS_INTERRUPT,	.config_aneg	= genphy_config_aneg,	.read_status	= genphy_read_status,	.ack_interrupt	= lxt971_ack_interrupt,	.config_intr	= lxt971_config_intr,	.driver 	= { .owner = THIS_MODULE,},};static int __init lxt_init(void){	int ret;	ret = phy_driver_register(&lxt970_driver);	if (ret)		goto err1;	ret = phy_driver_register(&lxt971_driver);	if (ret)		goto err2;	return 0; err2:		phy_driver_unregister(&lxt970_driver); err1:	return ret;}static void __exit lxt_exit(void){	phy_driver_unregister(&lxt970_driver);	phy_driver_unregister(&lxt971_driver);}module_init(lxt_init);module_exit(lxt_exit);