/* * drivers/net/phy/realtek.c * * Driver for Realtek PHYs * * Author: Johnson Leung <r58129@freescale.com> * * 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/phy.h> #define RTL821x_PHYSR 0x11 #define RTL821x_PHYSR_DUPLEX 0x2000 #define RTL821x_PHYSR_SPEED 0xc000 #define RTL821x_INER 0x12 #define RTL821x_INER_INIT 0x6400 #define RTL821x_INSR 0x13 MODULE_DESCRIPTION("Realtek PHY driver"); MODULE_AUTHOR("Johnson Leung"); MODULE_LICENSE("GPL"); static int rtl821x_ack_interrupt(struct phy_device *phydev) { int err; err = phy_read(phydev, RTL821x_INSR); return (err < 0) ? err : 0; } static int rtl821x_config_intr(struct phy_device *phydev) { int err; if (phydev->interrupts == PHY_INTERRUPT_ENABLED) err = phy_write(phydev, RTL821x_INER, RTL821x_INER_INIT); else err = phy_write(phydev, RTL821x_INER, 0); return err; } /* RTL8211B */ static struct phy_driver rtl821x_driver = { .phy_id = 0x001cc912, .name = "RTL821x Gigabit Ethernet", .phy_id_mask = 0x001fffff, .features = PHY_GBIT_FEATURES, .flags = PHY_HAS_INTERRUPT, .config_aneg = &genphy_config_aneg, .read_status = &genphy_read_status, .ack_interrupt = &rtl821x_ack_interrupt, .config_intr = &rtl821x_config_intr, .driver = { .owner = THIS_MODULE,}, }; static int __init realtek_init(void) { int ret; ret = phy_driver_register(&rtl821x_driver); return ret; } static void __exit realtek_exit(void) { phy_driver_unregister(&rtl821x_driver); } module_init(realtek_init); module_exit(realtek_exit);