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marcus.erl |
/*
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* drivers/net/phy/smsc.c
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*
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* Driver for SMSC PHYs
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*
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* Author: Herbert Valerio Riedel
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*
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* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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*/
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/mii.h>
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#include <linux/ethtool.h>
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#include <linux/phy.h>
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#include <linux/netdevice.h>
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#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
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#define MII_LAN83C185_IM 30 /* Interrupt Mask */
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#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
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#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
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#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
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#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
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#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
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#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
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#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
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#define MII_LAN83C185_ISF_INT_ALL (0x0e)
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#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
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(MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
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static int lan83c185_config_intr(struct phy_device *phydev)
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{
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int rc = phy_write (phydev, MII_LAN83C185_IM,
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((PHY_INTERRUPT_ENABLED == phydev->interrupts)
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? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
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: 0));
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return rc < 0 ? rc : 0;
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}
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static int lan83c185_ack_interrupt(struct phy_device *phydev)
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{
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int rc = phy_read (phydev, MII_LAN83C185_ISF);
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return rc < 0 ? rc : 0;
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}
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static int lan83c185_config_init(struct phy_device *phydev)
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{
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return lan83c185_ack_interrupt (phydev);
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}
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static struct phy_driver lan83c185_driver = {
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.phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
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.phy_id_mask = 0xfffffff0,
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.name = "SMSC LAN83C185",
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.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
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| SUPPORTED_Asym_Pause),
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.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
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/* basic functions */
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.config_aneg = genphy_config_aneg,
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.read_status = genphy_read_status,
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.config_init = lan83c185_config_init,
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/* IRQ related */
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.ack_interrupt = lan83c185_ack_interrupt,
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.config_intr = lan83c185_config_intr,
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.driver = { .owner = THIS_MODULE, }
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};
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static int __init smsc_init(void)
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{
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return phy_driver_register (&lan83c185_driver);
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}
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static void __exit smsc_exit(void)
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{
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phy_driver_unregister (&lan83c185_driver);
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}
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MODULE_DESCRIPTION("SMSC PHY driver");
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MODULE_AUTHOR("Herbert Valerio Riedel");
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MODULE_LICENSE("GPL");
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module_init(smsc_init);
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module_exit(smsc_exit);
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