mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-12-13 04:26:15 +02:00
adaf802bbc
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@14628 3c298f89-4303-0410-b956-a3cf2f4a3e73
83 lines
1.9 KiB
C
83 lines
1.9 KiB
C
/*
|
|
* Driver for Micrel/Kendin PHYs
|
|
*
|
|
* Copyright (c) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
|
|
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*
|
|
*/
|
|
|
|
#include <linux/delay.h>
|
|
#include <linux/skbuff.h>
|
|
#include <linux/phy.h>
|
|
|
|
#define KSZ_REG_INT_CTRL 0x1b
|
|
|
|
#define KSZ_INT_LU_EN (1 << 8) /* enable Link Up interrupt */
|
|
#define KSZ_INT_RF_EN (1 << 9) /* enable Remote Fault interrupt */
|
|
#define KSZ_INT_LD_EN (1 << 10) /* enable Link Down interrupt */
|
|
|
|
#define KSZ_INT_INIT (KSZ_INT_LU_EN | KSZ_INT_LD_EN)
|
|
|
|
static int ksz8041_ack_interrupt(struct phy_device *phydev)
|
|
{
|
|
int err;
|
|
|
|
err = phy_read(phydev, KSZ_REG_INT_CTRL);
|
|
|
|
return (err < 0) ? err : 0;
|
|
}
|
|
|
|
static int ksz8041_config_intr(struct phy_device *phydev)
|
|
{
|
|
int err;
|
|
|
|
if (phydev->interrupts == PHY_INTERRUPT_ENABLED)
|
|
err = phy_write(phydev, KSZ_REG_INT_CTRL,
|
|
KSZ_INT_INIT);
|
|
else
|
|
err = phy_write(phydev, KSZ_REG_INT_CTRL, 0);
|
|
|
|
return err;
|
|
}
|
|
|
|
static struct phy_driver ksz8041_phy_driver = {
|
|
.phy_id = 0x00221512,
|
|
.name = "Micrel KSZ8041",
|
|
.phy_id_mask = 0x001fffff,
|
|
.features = PHY_BASIC_FEATURES,
|
|
.flags = PHY_HAS_INTERRUPT,
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.ack_interrupt = ksz8041_ack_interrupt,
|
|
.config_intr = ksz8041_config_intr,
|
|
.driver = {
|
|
.owner = THIS_MODULE,
|
|
},
|
|
};
|
|
|
|
static int __init micrel_phy_init(void)
|
|
{
|
|
return phy_driver_register(&ksz8041_phy_driver);
|
|
}
|
|
|
|
static void __exit micrel_phy_exit(void)
|
|
{
|
|
phy_driver_unregister(&ksz8041_phy_driver);
|
|
}
|
|
|
|
#ifdef MODULE
|
|
module_init(micrel_phy_init);
|
|
module_exit(micrel_phy_exit);
|
|
#else
|
|
subsys_initcall(micrel_phy_init);
|
|
#endif
|
|
|
|
MODULE_DESCRIPTION("Micrel/Kendin PHY driver");
|
|
MODULE_AUTHOR("Gabor Juhos <juhosg@openwrt.org>");
|
|
MODULE_AUTHOR("Imre Kaloz <kaloz@openwrt.org>");
|
|
MODULE_LICENSE("GPL v2");
|