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[/] [test_project/] [trunk/] [linux_sd_driver/] [drivers/] [net/] [phy/] [lxt.c] - Blame information for rev 62

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1 62 marcus.erl 
/*
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 * drivers/net/phy/lxt.c
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 *
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 * Driver for Intel LXT PHYs
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 *
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 * Author: Andy Fleming
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 *
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 * Copyright (c) 2004 Freescale Semiconductor, Inc.
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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/string.h>
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#include <linux/errno.h>
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#include <linux/unistd.h>
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#include <linux/slab.h>
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#include <linux/interrupt.h>
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#include <linux/init.h>
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#include <linux/delay.h>
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#include <linux/netdevice.h>
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#include <linux/etherdevice.h>
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#include <linux/skbuff.h>
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#include <linux/spinlock.h>
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#include <linux/mm.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 <asm/io.h>
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#include <asm/irq.h>
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#include <asm/uaccess.h>
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/* The Level one LXT970 is used by many boards                               */
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#define MII_LXT970_IER       17  /* Interrupt Enable Register */
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#define MII_LXT970_IER_IEN      0x0002
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#define MII_LXT970_ISR       18  /* Interrupt Status Register */
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#define MII_LXT970_CONFIG    19  /* Configuration Register    */
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/* ------------------------------------------------------------------------- */
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/* The Level one LXT971 is used on some of my custom boards                  */
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/* register definitions for the 971 */
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#define MII_LXT971_IER          18  /* Interrupt Enable Register */
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#define MII_LXT971_IER_IEN      0x00f2
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#define MII_LXT971_ISR          19  /* Interrupt Status Register */
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MODULE_DESCRIPTION("Intel LXT PHY driver");
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MODULE_AUTHOR("Andy Fleming");
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MODULE_LICENSE("GPL");
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static int lxt970_ack_interrupt(struct phy_device *phydev)
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{
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        int err;
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        err = phy_read(phydev, MII_BMSR);
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        if (err < 0)
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                return err;
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        err = phy_read(phydev, MII_LXT970_ISR);
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        if (err < 0)
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                return err;
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        return 0;
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}
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static int lxt970_config_intr(struct phy_device *phydev)
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{
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        int err;
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        if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
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                err = phy_write(phydev, MII_LXT970_IER, MII_LXT970_IER_IEN);
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        else
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                err = phy_write(phydev, MII_LXT970_IER, 0);
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        return err;
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}
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static int lxt970_config_init(struct phy_device *phydev)
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{
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        int err;
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        err = phy_write(phydev, MII_LXT970_CONFIG, 0);
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        return err;
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}
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static int lxt971_ack_interrupt(struct phy_device *phydev)
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{
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        int err = phy_read(phydev, MII_LXT971_ISR);
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        if (err < 0)
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                return err;
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        return 0;
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}
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static int lxt971_config_intr(struct phy_device *phydev)
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{
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        int err;
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        if(phydev->interrupts == PHY_INTERRUPT_ENABLED)
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                err = phy_write(phydev, MII_LXT971_IER, MII_LXT971_IER_IEN);
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        else
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                err = phy_write(phydev, MII_LXT971_IER, 0);
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        return err;
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}
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static struct phy_driver lxt970_driver = {
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        .phy_id         = 0x78100000,
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        .name           = "LXT970",
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        .phy_id_mask    = 0xfffffff0,
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        .features       = PHY_BASIC_FEATURES,
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        .flags          = PHY_HAS_INTERRUPT,
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        .config_init    = lxt970_config_init,
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        .config_aneg    = genphy_config_aneg,
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        .read_status    = genphy_read_status,
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        .ack_interrupt  = lxt970_ack_interrupt,
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        .config_intr    = lxt970_config_intr,
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        .driver         = { .owner = THIS_MODULE,},
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};
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static struct phy_driver lxt971_driver = {
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        .phy_id         = 0x001378e0,
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        .name           = "LXT971",
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        .phy_id_mask    = 0xfffffff0,
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        .features       = PHY_BASIC_FEATURES,
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        .flags          = PHY_HAS_INTERRUPT,
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        .config_aneg    = genphy_config_aneg,
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        .read_status    = genphy_read_status,
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        .ack_interrupt  = lxt971_ack_interrupt,
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        .config_intr    = lxt971_config_intr,
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        .driver         = { .owner = THIS_MODULE,},
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};
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static int __init lxt_init(void)
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{
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        int ret;
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        ret = phy_driver_register(&lxt970_driver);
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        if (ret)
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                goto err1;
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        ret = phy_driver_register(&lxt971_driver);
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        if (ret)
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                goto err2;
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        return 0;
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 err2:
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        phy_driver_unregister(&lxt970_driver);
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 err1:
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        return ret;
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}
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static void __exit lxt_exit(void)
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{
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        phy_driver_unregister(&lxt970_driver);
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        phy_driver_unregister(&lxt971_driver);
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}
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module_init(lxt_init);
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module_exit(lxt_exit);

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