// SPDX-License-Identifier: GPL-2.0+
/*
* drivers / net / phy / smsc . c
*
* Driver for SMSC PHYs
*
* Author : Herbert Valerio Riedel
*
* Copyright ( c ) 2006 Herbert Valerio Riedel < hvr @ gnu . org >
*
* Support added for SMSC LAN8187 and LAN8700 by steve . glendinning @ shawell . net
*
*/
#include <linux/clk.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/mii.h>
#include <linux/ethtool.h>
#include <linux/of.h>
#include <linux/phy.h>
#include <linux/netdevice.h>
#include <linux/crc16.h>
#include <linux/etherdevice.h>
#include <linux/smscphy.h>
/* Vendor-specific PHY Definitions */
/* EDPD NLP / crossover time configuration */
#define PHY_EDPD_CONFIG 16
#define PHY_EDPD_CONFIG_EXT_CROSSOVER_ 0 x0001
/* Control/Status Indication Register */
#define SPECIAL_CTRL_STS 27
#define SPECIAL_CTRL_STS_OVRRD_AMDIX_ 0 x8000
#define SPECIAL_CTRL_STS_AMDIX_ENABLE_ 0 x4000
#define SPECIAL_CTRL_STS_AMDIX_STATE_ 0 x2000
#define EDPD_MAX_WAIT_DFLT_MS 640
/* interval between phylib state machine runs in ms */
#define PHY_STATE_MACH_MS 1000
struct smsc_hw_stat {
const char *string;
u8 reg;
u8 bits;
};
static struct smsc_hw_stat smsc_hw_stats[] = {
{ "phy_symbol_errors" , 26 , 16 },
};
struct smsc_phy_priv {
unsigned int edpd_enable:1 ;
unsigned int edpd_mode_set_by_user:1 ;
unsigned int edpd_max_wait_ms;
bool wol_arp;
};
static int smsc_phy_ack_interrupt(struct phy_device *phydev)
{
int rc = phy_read(phydev, MII_LAN83C185_ISF);
return rc < 0 ? rc : 0 ;
}
int smsc_phy_config_intr(struct phy_device *phydev)
{
int rc;
if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {
rc = smsc_phy_ack_interrupt(phydev);
if (rc)
return rc;
rc = phy_write(phydev, MII_LAN83C185_IM,
MII_LAN83C185_ISF_INT_PHYLIB_EVENTS);
} else {
rc = phy_write(phydev, MII_LAN83C185_IM, 0 );
if (rc)
return rc;
rc = smsc_phy_ack_interrupt(phydev);
}
return rc < 0 ? rc : 0 ;
}
EXPORT_SYMBOL_GPL(smsc_phy_config_intr);
static int smsc_phy_config_edpd(struct phy_device *phydev)
{
struct smsc_phy_priv *priv = phydev->priv;
if (priv->edpd_enable)
return phy_set_bits(phydev, MII_LAN83C185_CTRL_STATUS,
MII_LAN83C185_EDPWRDOWN);
else
return phy_clear_bits(phydev, MII_LAN83C185_CTRL_STATUS,
MII_LAN83C185_EDPWRDOWN);
}
irqreturn_t smsc_phy_handle_interrupt(struct phy_device *phydev)
{
int irq_status;
irq_status = phy_read(phydev, MII_LAN83C185_ISF);
if (irq_status < 0 ) {
if (irq_status != -ENODEV)
phy_error(phydev);
return IRQ_NONE;
}
if (!(irq_status & MII_LAN83C185_ISF_INT_PHYLIB_EVENTS))
return IRQ_NONE;
phy_trigger_machine(phydev);
return IRQ_HANDLED;
}
EXPORT_SYMBOL_GPL(smsc_phy_handle_interrupt);
int smsc_phy_config_init(struct phy_device *phydev)
{
struct smsc_phy_priv *priv = phydev->priv;
if (!priv)
return 0 ;
/* don't use EDPD in irq mode except overridden by user */
if (!priv->edpd_mode_set_by_user && phydev->irq != PHY_POLL)
priv->edpd_enable = false ;
return smsc_phy_config_edpd(phydev);
}
EXPORT_SYMBOL_GPL(smsc_phy_config_init);
static int smsc_phy_reset(struct phy_device *phydev)
{
int rc = phy_read(phydev, MII_LAN83C185_SPECIAL_MODES);
if (rc < 0 )
return rc;
/* If the SMSC PHY is in power down mode, then set it
* in all capable mode before using it .
*/
if ((rc & MII_LAN83C185_MODE_MASK) == MII_LAN83C185_MODE_POWERDOWN) {
/* set "all capable" mode */
rc |= MII_LAN83C185_MODE_ALL;
phy_write(phydev, MII_LAN83C185_SPECIAL_MODES, rc);
}
/* reset the phy */
return genphy_soft_reset(phydev);
}
static int lan87xx_config_aneg(struct phy_device *phydev)
{
u8 mdix_ctrl;
int val;
int rc;
/* When auto-negotiation is disabled (forced mode), the PHY's
* Auto - MDIX will continue toggling the TX / RX pairs .
*
* To establish a stable link , we must select a fixed MDI mode .
* If the user has not specified a fixed MDI mode ( i . e . , mdix_ctrl is
* ' auto ' ) , we default to ETH_TP_MDI . This choice of a ETH_TP_MDI mode
* mirrors the behavior the hardware would exhibit if the AUTOMDIX_EN
* strap were configured for a fixed MDI connection .
*/
if (phydev->autoneg == AUTONEG_DISABLE) {
if (phydev->mdix_ctrl == ETH_TP_MDI_AUTO)
mdix_ctrl = ETH_TP_MDI;
else
mdix_ctrl = phydev->mdix_ctrl;
} else {
mdix_ctrl = phydev->mdix_ctrl;
}
switch (mdix_ctrl) {
case ETH_TP_MDI:
val = SPECIAL_CTRL_STS_OVRRD_AMDIX_;
break ;
case ETH_TP_MDI_X:
val = SPECIAL_CTRL_STS_OVRRD_AMDIX_ |
SPECIAL_CTRL_STS_AMDIX_STATE_;
break ;
case ETH_TP_MDI_AUTO:
val = SPECIAL_CTRL_STS_OVRRD_AMDIX_ |
SPECIAL_CTRL_STS_AMDIX_ENABLE_;
break ;
default :
return genphy_config_aneg(phydev);
}
rc = phy_read(phydev, SPECIAL_CTRL_STS);
if (rc < 0 )
return rc;
rc &= ~(SPECIAL_CTRL_STS_OVRRD_AMDIX_ |
SPECIAL_CTRL_STS_AMDIX_ENABLE_ |
SPECIAL_CTRL_STS_AMDIX_STATE_);
rc |= val;
phy_write(phydev, SPECIAL_CTRL_STS, rc);
phydev->mdix = mdix_ctrl;
return genphy_config_aneg(phydev);
}
static int lan95xx_config_aneg_ext(struct phy_device *phydev)
{
if (phydev->phy_id == 0 x0007c0f0) { /* LAN9500A or LAN9505A */
/* Extend Manual AutoMDIX timer */
int rc = phy_set_bits(phydev, PHY_EDPD_CONFIG,
PHY_EDPD_CONFIG_EXT_CROSSOVER_);
if (rc < 0 )
return rc;
}
return lan87xx_config_aneg(phydev);
}
/*
* The LAN87xx suffers from rare absence of the ENERGYON - bit when Ethernet cable
* plugs in while LAN87xx is in Energy Detect Power - Down mode . This leads to
* unstable detection of plugging in Ethernet cable .
* This workaround disables Energy Detect Power - Down mode and waiting for
* response on link pulses to detect presence of plugged Ethernet cable .
* The Energy Detect Power - Down mode is enabled again in the end of procedure to
* save approximately 220 mW of power if cable is unplugged .
* The workaround is only applicable to poll mode . Energy Detect Power - Down may
* not be used in interrupt mode lest link change detection becomes unreliable .
*/
int lan87xx_read_status(struct phy_device *phydev)
{
struct smsc_phy_priv *priv = phydev->priv;
int err;
err = genphy_read_status(phydev);
if (err)
return err;
if (!phydev->link && priv && priv->edpd_enable &&
priv->edpd_max_wait_ms) {
unsigned int max_wait = priv->edpd_max_wait_ms * 1000 ;
int rc;
/* Disable EDPD to wake up PHY */
rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
if (rc < 0 )
return rc;
rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS,
rc & ~MII_LAN83C185_EDPWRDOWN);
if (rc < 0 )
return rc;
/* Wait max 640 ms to detect energy and the timeout is not
* an actual error .
*/
read_poll_timeout(phy_read, rc,
rc & MII_LAN83C185_ENERGYON || rc < 0 ,
10000 , max_wait, true , phydev,
MII_LAN83C185_CTRL_STATUS);
if (rc < 0 )
return rc;
/* Re-enable EDPD */
rc = phy_read(phydev, MII_LAN83C185_CTRL_STATUS);
if (rc < 0 )
return rc;
rc = phy_write(phydev, MII_LAN83C185_CTRL_STATUS,
rc | MII_LAN83C185_EDPWRDOWN);
if (rc < 0 )
return rc;
}
return err;
}
EXPORT_SYMBOL_GPL(lan87xx_read_status);
static int lan87xx_phy_config_init(struct phy_device *phydev)
{
int rc;
/* The LAN87xx PHY's initial MDI-X mode is determined by the AUTOMDIX_EN
* hardware strap , but the driver cannot read the strap ' s status . This
* creates an unpredictable initial state .
*
* To ensure consistent and reliable behavior across all boards ,
* override the strap configuration on initialization and force the PHY
* into a known state with Auto - MDIX enabled , which is the expected
* default for modern hardware .
*/
rc = phy_modify(phydev, SPECIAL_CTRL_STS,
SPECIAL_CTRL_STS_OVRRD_AMDIX_ |
SPECIAL_CTRL_STS_AMDIX_ENABLE_ |
SPECIAL_CTRL_STS_AMDIX_STATE_,
SPECIAL_CTRL_STS_OVRRD_AMDIX_ |
SPECIAL_CTRL_STS_AMDIX_ENABLE_);
if (rc < 0 )
return rc;
phydev->mdix_ctrl = ETH_TP_MDI_AUTO;
return smsc_phy_config_init(phydev);
}
static int lan874x_phy_config_init(struct phy_device *phydev)
{
u16 val;
int rc;
/* Setup LED2/nINT/nPME pin to function as nPME. May need user option
* to use LED1 / nINT / nPME .
*/
val = MII_LAN874X_PHY_PME2_SET;
/* The bits MII_LAN874X_PHY_WOL_PFDA_FR, MII_LAN874X_PHY_WOL_WUFR,
* MII_LAN874X_PHY_WOL_MPR , and MII_LAN874X_PHY_WOL_BCAST_FR need to
* be cleared to de - assert PME signal after a WoL event happens , but
* using PME auto clear gets around that .
*/
val |= MII_LAN874X_PHY_PME_SELF_CLEAR;
rc = phy_write_mmd(phydev, MDIO_MMD_PCS, MII_LAN874X_PHY_MMD_WOL_WUCSR,
val);
if (rc < 0 )
return rc;
/* set nPME self clear delay time */
rc = phy_write_mmd(phydev, MDIO_MMD_PCS, MII_LAN874X_PHY_MMD_MCFGR,
MII_LAN874X_PHY_PME_SELF_CLEAR_DELAY);
if (rc < 0 )
return rc;
return smsc_phy_config_init(phydev);
}
static void lan874x_get_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol)
{
struct smsc_phy_priv *priv = phydev->priv;
int rc;
wol->supported = (WAKE_UCAST | WAKE_BCAST | WAKE_MAGIC |
WAKE_ARP | WAKE_MCAST);
wol->wolopts = 0 ;
rc = phy_read_mmd(phydev, MDIO_MMD_PCS, MII_LAN874X_PHY_MMD_WOL_WUCSR);
if (rc < 0 )
return ;
if (rc & MII_LAN874X_PHY_WOL_PFDAEN)
wol->wolopts |= WAKE_UCAST;
if (rc & MII_LAN874X_PHY_WOL_BCSTEN)
wol->wolopts |= WAKE_BCAST;
if (rc & MII_LAN874X_PHY_WOL_MPEN)
wol->wolopts |= WAKE_MAGIC;
if (rc & MII_LAN874X_PHY_WOL_WUEN) {
if (priv->wol_arp)
wol->wolopts |= WAKE_ARP;
else
wol->wolopts |= WAKE_MCAST;
}
}
static u16 smsc_crc16(const u8 *buffer, size_t len)
{
return bitrev16(crc16(0 xFFFF, buffer, len));
}
static int lan874x_chk_wol_pattern(const u8 pattern[], const u16 *mask,
u8 len, u8 *data, u8 *datalen)
{
size_t i, j, k;
int ret = 0 ;
u16 bits;
/* Pattern filtering can match up to 128 bytes of frame data. There
* are 8 registers to program the 16 - bit masks , where each bit means
* the byte will be compared . The frame data will then go through a
* CRC16 calculation for hardware comparison . This helper function
* makes sure only relevant frame data are included in this
* calculation . It provides a warning when the masks and expected
* data size do not match .
*/
i = 0 ;
k = 0 ;
while (len > 0 ) {
bits = *mask;
for (j = 0 ; j < 16 ; j++, i++, len--) {
/* No more pattern. */
if (!len) {
/* The rest of bitmap is not empty. */
if (bits)
ret = i + 1 ;
break ;
}
if (bits & 1 )
data[k++] = pattern[i];
bits >>= 1 ;
}
mask++;
}
*datalen = k;
return ret;
}
static int lan874x_set_wol_pattern(struct phy_device *phydev, u16 val,
const u8 data[], u8 datalen,
const u16 *mask, u8 masklen)
{
u16 crc, reg;
int rc;
/* Starting pattern offset is set before calling this function. */
val |= MII_LAN874X_PHY_WOL_FILTER_EN;
rc = phy_write_mmd(phydev, MDIO_MMD_PCS,
MII_LAN874X_PHY_MMD_WOL_WUF_CFGA, val);
if (rc < 0 )
return rc;
crc = smsc_crc16(data, datalen);
rc = phy_write_mmd(phydev, MDIO_MMD_PCS,
MII_LAN874X_PHY_MMD_WOL_WUF_CFGB, crc);
if (rc < 0 )
return rc;
masklen = (masklen + 15 ) & ~0 xf;
reg = MII_LAN874X_PHY_MMD_WOL_WUF_MASK7;
while (masklen >= 16 ) {
rc = phy_write_mmd(phydev, MDIO_MMD_PCS, reg, *mask);
if (rc < 0 )
return rc;
reg--;
mask++;
masklen -= 16 ;
}
/* Clear out the rest of mask registers. */
while (reg != MII_LAN874X_PHY_MMD_WOL_WUF_MASK0) {
phy_write_mmd(phydev, MDIO_MMD_PCS, reg, 0 );
reg--;
}
return rc;
}
static int lan874x_set_wol(struct phy_device *phydev,
struct ethtool_wolinfo *wol)
{
struct net_device *ndev = phydev->attached_dev;
struct smsc_phy_priv *priv = phydev->priv;
u16 val, val_wucsr;
u8 data[128 ];
u8 datalen;
int rc;
/* lan874x has only one WoL filter pattern */
if ((wol->wolopts & (WAKE_ARP | WAKE_MCAST)) ==
(WAKE_ARP | WAKE_MCAST)) {
phydev_info(phydev,
"lan874x WoL supports one of ARP|MCAST at a time\n" );
return -EOPNOTSUPP;
}
rc = phy_read_mmd(phydev, MDIO_MMD_PCS, MII_LAN874X_PHY_MMD_WOL_WUCSR);
if (rc < 0 )
return rc;
val_wucsr = rc;
if (wol->wolopts & WAKE_UCAST)
val_wucsr |= MII_LAN874X_PHY_WOL_PFDAEN;
else
val_wucsr &= ~MII_LAN874X_PHY_WOL_PFDAEN;
if (wol->wolopts & WAKE_BCAST)
val_wucsr |= MII_LAN874X_PHY_WOL_BCSTEN;
else
val_wucsr &= ~MII_LAN874X_PHY_WOL_BCSTEN;
if (wol->wolopts & WAKE_MAGIC)
val_wucsr |= MII_LAN874X_PHY_WOL_MPEN;
else
val_wucsr &= ~MII_LAN874X_PHY_WOL_MPEN;
/* Need to use pattern matching */
if (wol->wolopts & (WAKE_ARP | WAKE_MCAST))
val_wucsr |= MII_LAN874X_PHY_WOL_WUEN;
else
val_wucsr &= ~MII_LAN874X_PHY_WOL_WUEN;
if (wol->wolopts & WAKE_ARP) {
const u8 pattern[2 ] = { 0 x08, 0 x06 };
const u16 mask[1 ] = { 0 x0003 };
rc = lan874x_chk_wol_pattern(pattern, mask, 2 , data,
&datalen);
if (rc)
phydev_dbg(phydev, "pattern not valid at %d\n" , rc);
/* Need to match broadcast destination address and provided
* data pattern at offset 12 .
*/
val = 12 | MII_LAN874X_PHY_WOL_FILTER_BCSTEN;
rc = lan874x_set_wol_pattern(phydev, val, data, datalen, mask,
2 );
if (rc < 0 )
return rc;
priv->wol_arp = true ;
}
if (wol->wolopts & WAKE_MCAST) {
/* Need to match multicast destination address. */
val = MII_LAN874X_PHY_WOL_FILTER_MCASTTEN;
rc = lan874x_set_wol_pattern(phydev, val, data, 0 , NULL, 0 );
if (rc < 0 )
return rc;
priv->wol_arp = false ;
}
if (wol->wolopts & (WAKE_MAGIC | WAKE_UCAST)) {
const u8 *mac = (const u8 *)ndev->dev_addr;
int i, reg;
reg = MII_LAN874X_PHY_MMD_WOL_RX_ADDRC;
for (i = 0 ; i < 6 ; i += 2 , reg--) {
rc = phy_write_mmd(phydev, MDIO_MMD_PCS, reg,
((mac[i + 1 ] << 8 ) | mac[i]));
if (rc < 0 )
return rc;
}
}
rc = phy_write_mmd(phydev, MDIO_MMD_PCS, MII_LAN874X_PHY_MMD_WOL_WUCSR,
val_wucsr);
if (rc < 0 )
return rc;
return 0 ;
}
static int smsc_get_sset_count(struct phy_device *phydev)
{
return ARRAY_SIZE(smsc_hw_stats);
}
static void smsc_get_strings(struct phy_device *phydev, u8 *data)
{
int i;
for (i = 0 ; i < ARRAY_SIZE(smsc_hw_stats); i++)
ethtool_puts(&data, smsc_hw_stats[i].string);
}
static u64 smsc_get_stat(struct phy_device *phydev, int i)
{
struct smsc_hw_stat stat = smsc_hw_stats[i];
int val;
u64 ret;
val = phy_read(phydev, stat.reg);
if (val < 0 )
ret = U64_MAX;
else
ret = val;
return ret;
}
static void smsc_get_stats(struct phy_device *phydev,
struct ethtool_stats *stats, u64 *data)
{
int i;
for (i = 0 ; i < ARRAY_SIZE(smsc_hw_stats); i++)
data[i] = smsc_get_stat(phydev, i);
}
static int smsc_phy_get_edpd(struct phy_device *phydev, u16 *edpd)
{
struct smsc_phy_priv *priv = phydev->priv;
if (!priv)
return -EOPNOTSUPP;
if (!priv->edpd_enable)
*edpd = ETHTOOL_PHY_EDPD_DISABLE;
else if (!priv->edpd_max_wait_ms)
*edpd = ETHTOOL_PHY_EDPD_NO_TX;
else
*edpd = PHY_STATE_MACH_MS + priv->edpd_max_wait_ms;
return 0 ;
}
static int smsc_phy_set_edpd(struct phy_device *phydev, u16 edpd)
{
struct smsc_phy_priv *priv = phydev->priv;
if (!priv)
return -EOPNOTSUPP;
switch (edpd) {
case ETHTOOL_PHY_EDPD_DISABLE:
priv->edpd_enable = false ;
break ;
case ETHTOOL_PHY_EDPD_NO_TX:
priv->edpd_enable = true ;
priv->edpd_max_wait_ms = 0 ;
break ;
case ETHTOOL_PHY_EDPD_DFLT_TX_MSECS:
edpd = PHY_STATE_MACH_MS + EDPD_MAX_WAIT_DFLT_MS;
fallthrough;
default :
if (phydev->irq != PHY_POLL)
return -EOPNOTSUPP;
if (edpd < PHY_STATE_MACH_MS || edpd > PHY_STATE_MACH_MS + 1000 )
return -EINVAL;
priv->edpd_enable = true ;
priv->edpd_max_wait_ms = edpd - PHY_STATE_MACH_MS;
}
priv->edpd_mode_set_by_user = true ;
return smsc_phy_config_edpd(phydev);
}
int smsc_phy_get_tunable(struct phy_device *phydev,
struct ethtool_tunable *tuna, void *data)
{
switch (tuna->id) {
case ETHTOOL_PHY_EDPD:
return smsc_phy_get_edpd(phydev, data);
default :
return -EOPNOTSUPP;
}
}
EXPORT_SYMBOL_GPL(smsc_phy_get_tunable);
int smsc_phy_set_tunable(struct phy_device *phydev,
struct ethtool_tunable *tuna, const void *data)
{
switch (tuna->id) {
case ETHTOOL_PHY_EDPD:
return smsc_phy_set_edpd(phydev, *(u16 *)data);
default :
return -EOPNOTSUPP;
}
}
EXPORT_SYMBOL_GPL(smsc_phy_set_tunable);
int smsc_phy_probe(struct phy_device *phydev)
{
struct device *dev = &phydev->mdio.dev;
struct smsc_phy_priv *priv;
struct clk *refclk;
priv = devm_kzalloc(dev, sizeof (*priv), GFP_KERNEL);
if (!priv)
return -ENOMEM;
priv->edpd_enable = true ;
priv->edpd_max_wait_ms = EDPD_MAX_WAIT_DFLT_MS;
if (device_property_present(dev, "smsc,disable-energy-detect" ))
priv->edpd_enable = false ;
phydev->priv = priv;
/* Make clk optional to keep DTB backward compatibility. */
refclk = devm_clk_get_optional_enabled_with_rate(dev, NULL,
50 * 1000 * 1000 );
if (IS_ERR(refclk))
return dev_err_probe(dev, PTR_ERR(refclk),
"Failed to request clock\n" );
return 0 ;
}
EXPORT_SYMBOL_GPL(smsc_phy_probe);
static struct phy_driver smsc_phy_driver[] = {
{
.phy_id = 0 x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
.phy_id_mask = 0 xfffffff0,
.name = "SMSC LAN83C185" ,
/* PHY_BASIC_FEATURES */
.probe = smsc_phy_probe,
/* basic functions */
.config_init = smsc_phy_config_init,
.soft_reset = smsc_phy_reset,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0 x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
.phy_id_mask = 0 xfffffff0,
.name = "SMSC LAN8187" ,
/* PHY_BASIC_FEATURES */
.probe = smsc_phy_probe,
/* basic functions */
.config_init = smsc_phy_config_init,
.soft_reset = smsc_phy_reset,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
/* Statistics */
.get_sset_count = smsc_get_sset_count,
.get_strings = smsc_get_strings,
.get_stats = smsc_get_stats,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
/* This covers internal PHY (phy_id: 0x0007C0C3) for
* LAN9500 ( PID : 0 x9500 ) , LAN9514 ( PID : 0 xec00 ) , LAN9505 ( PID : 0 x9505 )
*/
.phy_id = 0 x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
.phy_id_mask = 0 xfffffff0,
.name = "SMSC LAN8700" ,
/* PHY_BASIC_FEATURES */
.probe = smsc_phy_probe,
/* basic functions */
.read_status = lan87xx_read_status,
.config_init = lan87xx_phy_config_init,
.soft_reset = smsc_phy_reset,
.config_aneg = lan87xx_config_aneg,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
/* Statistics */
.get_sset_count = smsc_get_sset_count,
.get_strings = smsc_get_strings,
.get_stats = smsc_get_stats,
.get_tunable = smsc_phy_get_tunable,
.set_tunable = smsc_phy_set_tunable,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0 x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
.phy_id_mask = 0 xfffffff0,
.name = "SMSC LAN911x Internal PHY" ,
/* PHY_BASIC_FEATURES */
.probe = smsc_phy_probe,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
/* This covers internal PHY (phy_id: 0x0007C0F0) for
* LAN9500A ( PID : 0 x9E00 ) , LAN9505A ( PID : 0 x9E01 )
*/
.phy_id = 0 x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
.phy_id_mask = 0 xfffffff0,
.name = "SMSC LAN8710/LAN8720" ,
/* PHY_BASIC_FEATURES */
.flags = PHY_RST_AFTER_CLK_EN,
.probe = smsc_phy_probe,
/* basic functions */
.read_status = lan87xx_read_status,
.config_init = smsc_phy_config_init,
.soft_reset = smsc_phy_reset,
.config_aneg = lan95xx_config_aneg_ext,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
/* Statistics */
.get_sset_count = smsc_get_sset_count,
.get_strings = smsc_get_strings,
.get_stats = smsc_get_stats,
.get_tunable = smsc_phy_get_tunable,
.set_tunable = smsc_phy_set_tunable,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0 x0007c110,
.phy_id_mask = 0 xfffffff0,
.name = "SMSC LAN8740" ,
/* PHY_BASIC_FEATURES */
.flags = PHY_RST_AFTER_CLK_EN,
.probe = smsc_phy_probe,
/* basic functions */
.read_status = lan87xx_read_status,
.config_init = lan874x_phy_config_init,
.soft_reset = smsc_phy_reset,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
/* Statistics */
.get_sset_count = smsc_get_sset_count,
.get_strings = smsc_get_strings,
.get_stats = smsc_get_stats,
.get_tunable = smsc_phy_get_tunable,
.set_tunable = smsc_phy_set_tunable,
/* WoL */
.set_wol = lan874x_set_wol,
.get_wol = lan874x_get_wol,
.suspend = genphy_suspend,
.resume = genphy_resume,
}, {
.phy_id = 0 x0007c130, /* 0x0007c130 and 0x0007c131 */
/* This mask (0xfffffff2) is to differentiate from
* LAN88xx ( phy_id 0 x0007c132 )
* and allows future phy_id revisions .
*/
.phy_id_mask = 0 xfffffff2,
.name = "Microchip LAN8742" ,
/* PHY_BASIC_FEATURES */
.flags = PHY_RST_AFTER_CLK_EN,
.probe = smsc_phy_probe,
/* basic functions */
.read_status = lan87xx_read_status,
.config_init = lan874x_phy_config_init,
.soft_reset = smsc_phy_reset,
/* IRQ related */
.config_intr = smsc_phy_config_intr,
.handle_interrupt = smsc_phy_handle_interrupt,
/* Statistics */
.get_sset_count = smsc_get_sset_count,
.get_strings = smsc_get_strings,
.get_stats = smsc_get_stats,
.get_tunable = smsc_phy_get_tunable,
.set_tunable = smsc_phy_set_tunable,
/* WoL */
.set_wol = lan874x_set_wol,
.get_wol = lan874x_get_wol,
.suspend = genphy_suspend,
.resume = genphy_resume,
} };
module_phy_driver(smsc_phy_driver);
MODULE_DESCRIPTION("SMSC PHY driver" );
MODULE_AUTHOR("Herbert Valerio Riedel" );
MODULE_LICENSE("GPL" );
static const struct mdio_device_id __maybe_unused smsc_tbl[] = {
{ 0 x0007c0a0, 0 xfffffff0 },
{ 0 x0007c0b0, 0 xfffffff0 },
{ 0 x0007c0c0, 0 xfffffff0 },
{ 0 x0007c0d0, 0 xfffffff0 },
{ 0 x0007c0f0, 0 xfffffff0 },
{ 0 x0007c110, 0 xfffffff0 },
{ 0 x0007c130, 0 xfffffff2 },
{ }
};
MODULE_DEVICE_TABLE(mdio, smsc_tbl);
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(vorverarbeitet am 2026-09-28)
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