mirror of
https://github.com/torvalds/linux.git
synced 2024-11-16 09:02:00 +00:00
c64d2a9afb
All supported SMSC PHYs implement the standard "power down" bit 11 of
BMCR, so this patch adds support using the generic genphy_{suspend,resume}
functions.
Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
208 lines
5.1 KiB
C
208 lines
5.1 KiB
C
/*
|
|
* drivers/net/phy/smsc.c
|
|
*
|
|
* Driver for SMSC PHYs
|
|
*
|
|
* Author: Herbert Valerio Riedel
|
|
*
|
|
* Copyright (c) 2006 Herbert Valerio Riedel <hvr@gnu.org>
|
|
*
|
|
* 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.
|
|
*
|
|
* Support added for SMSC LAN8187 and LAN8700 by steve.glendinning@smsc.com
|
|
*
|
|
*/
|
|
|
|
#include <linux/kernel.h>
|
|
#include <linux/module.h>
|
|
#include <linux/mii.h>
|
|
#include <linux/ethtool.h>
|
|
#include <linux/phy.h>
|
|
#include <linux/netdevice.h>
|
|
|
|
#define MII_LAN83C185_ISF 29 /* Interrupt Source Flags */
|
|
#define MII_LAN83C185_IM 30 /* Interrupt Mask */
|
|
|
|
#define MII_LAN83C185_ISF_INT1 (1<<1) /* Auto-Negotiation Page Received */
|
|
#define MII_LAN83C185_ISF_INT2 (1<<2) /* Parallel Detection Fault */
|
|
#define MII_LAN83C185_ISF_INT3 (1<<3) /* Auto-Negotiation LP Ack */
|
|
#define MII_LAN83C185_ISF_INT4 (1<<4) /* Link Down */
|
|
#define MII_LAN83C185_ISF_INT5 (1<<5) /* Remote Fault Detected */
|
|
#define MII_LAN83C185_ISF_INT6 (1<<6) /* Auto-Negotiation complete */
|
|
#define MII_LAN83C185_ISF_INT7 (1<<7) /* ENERGYON */
|
|
|
|
#define MII_LAN83C185_ISF_INT_ALL (0x0e)
|
|
|
|
#define MII_LAN83C185_ISF_INT_PHYLIB_EVENTS \
|
|
(MII_LAN83C185_ISF_INT6 | MII_LAN83C185_ISF_INT4)
|
|
|
|
|
|
static int smsc_phy_config_intr(struct phy_device *phydev)
|
|
{
|
|
int rc = phy_write (phydev, MII_LAN83C185_IM,
|
|
((PHY_INTERRUPT_ENABLED == phydev->interrupts)
|
|
? MII_LAN83C185_ISF_INT_PHYLIB_EVENTS
|
|
: 0));
|
|
|
|
return rc < 0 ? rc : 0;
|
|
}
|
|
|
|
static int smsc_phy_ack_interrupt(struct phy_device *phydev)
|
|
{
|
|
int rc = phy_read (phydev, MII_LAN83C185_ISF);
|
|
|
|
return rc < 0 ? rc : 0;
|
|
}
|
|
|
|
static int smsc_phy_config_init(struct phy_device *phydev)
|
|
{
|
|
return smsc_phy_ack_interrupt (phydev);
|
|
}
|
|
|
|
|
|
static struct phy_driver lan83c185_driver = {
|
|
.phy_id = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
|
|
.phy_id_mask = 0xfffffff0,
|
|
.name = "SMSC LAN83C185",
|
|
|
|
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
|
|
| SUPPORTED_Asym_Pause),
|
|
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
|
|
|
|
/* basic functions */
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.config_init = smsc_phy_config_init,
|
|
|
|
/* IRQ related */
|
|
.ack_interrupt = smsc_phy_ack_interrupt,
|
|
.config_intr = smsc_phy_config_intr,
|
|
|
|
.suspend = genphy_suspend,
|
|
.resume = genphy_resume,
|
|
|
|
.driver = { .owner = THIS_MODULE, }
|
|
};
|
|
|
|
static struct phy_driver lan8187_driver = {
|
|
.phy_id = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
|
|
.phy_id_mask = 0xfffffff0,
|
|
.name = "SMSC LAN8187",
|
|
|
|
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
|
|
| SUPPORTED_Asym_Pause),
|
|
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
|
|
|
|
/* basic functions */
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.config_init = smsc_phy_config_init,
|
|
|
|
/* IRQ related */
|
|
.ack_interrupt = smsc_phy_ack_interrupt,
|
|
.config_intr = smsc_phy_config_intr,
|
|
|
|
.suspend = genphy_suspend,
|
|
.resume = genphy_resume,
|
|
|
|
.driver = { .owner = THIS_MODULE, }
|
|
};
|
|
|
|
static struct phy_driver lan8700_driver = {
|
|
.phy_id = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
|
|
.phy_id_mask = 0xfffffff0,
|
|
.name = "SMSC LAN8700",
|
|
|
|
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
|
|
| SUPPORTED_Asym_Pause),
|
|
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
|
|
|
|
/* basic functions */
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.config_init = smsc_phy_config_init,
|
|
|
|
/* IRQ related */
|
|
.ack_interrupt = smsc_phy_ack_interrupt,
|
|
.config_intr = smsc_phy_config_intr,
|
|
|
|
.suspend = genphy_suspend,
|
|
.resume = genphy_resume,
|
|
|
|
.driver = { .owner = THIS_MODULE, }
|
|
};
|
|
|
|
static struct phy_driver lan911x_int_driver = {
|
|
.phy_id = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
|
|
.phy_id_mask = 0xfffffff0,
|
|
.name = "SMSC LAN911x Internal PHY",
|
|
|
|
.features = (PHY_BASIC_FEATURES | SUPPORTED_Pause
|
|
| SUPPORTED_Asym_Pause),
|
|
.flags = PHY_HAS_INTERRUPT | PHY_HAS_MAGICANEG,
|
|
|
|
/* basic functions */
|
|
.config_aneg = genphy_config_aneg,
|
|
.read_status = genphy_read_status,
|
|
.config_init = smsc_phy_config_init,
|
|
|
|
/* IRQ related */
|
|
.ack_interrupt = smsc_phy_ack_interrupt,
|
|
.config_intr = smsc_phy_config_intr,
|
|
|
|
.suspend = genphy_suspend,
|
|
.resume = genphy_resume,
|
|
|
|
.driver = { .owner = THIS_MODULE, }
|
|
};
|
|
|
|
static int __init smsc_init(void)
|
|
{
|
|
int ret;
|
|
|
|
ret = phy_driver_register (&lan83c185_driver);
|
|
if (ret)
|
|
goto err1;
|
|
|
|
ret = phy_driver_register (&lan8187_driver);
|
|
if (ret)
|
|
goto err2;
|
|
|
|
ret = phy_driver_register (&lan8700_driver);
|
|
if (ret)
|
|
goto err3;
|
|
|
|
ret = phy_driver_register (&lan911x_int_driver);
|
|
if (ret)
|
|
goto err4;
|
|
|
|
return 0;
|
|
|
|
err4:
|
|
phy_driver_unregister (&lan8700_driver);
|
|
err3:
|
|
phy_driver_unregister (&lan8187_driver);
|
|
err2:
|
|
phy_driver_unregister (&lan83c185_driver);
|
|
err1:
|
|
return ret;
|
|
}
|
|
|
|
static void __exit smsc_exit(void)
|
|
{
|
|
phy_driver_unregister (&lan911x_int_driver);
|
|
phy_driver_unregister (&lan8700_driver);
|
|
phy_driver_unregister (&lan8187_driver);
|
|
phy_driver_unregister (&lan83c185_driver);
|
|
}
|
|
|
|
MODULE_DESCRIPTION("SMSC PHY driver");
|
|
MODULE_AUTHOR("Herbert Valerio Riedel");
|
|
MODULE_LICENSE("GPL");
|
|
|
|
module_init(smsc_init);
|
|
module_exit(smsc_exit);
|