mirror of
https://github.com/torvalds/linux.git
synced 2024-12-18 17:12:55 +00:00
81 lines
1.8 KiB
C
81 lines
1.8 KiB
C
|
/*
|
||
|
|
* 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);
|