// 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_  0x0001

/* Control/Status Indication Register */
#define SPECIAL_CTRL_STS                27
#define SPECIAL_CTRL_STS_OVRRD_AMDIX_   0x8000
#define SPECIAL_CTRL_STS_AMDIX_ENABLE_  0x4000
#define SPECIAL_CTRL_STS_AMDIX_STATE_   0x2000

#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 == 0x0007c0f0) { /* 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(0xFFFF, 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) & ~0xf;
        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] = { 0x08, 0x06 };
                const u16 mask[1] = { 0x0003 };

                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         = 0x0007c0a0, /* OUI=0x00800f, Model#=0x0a */
        .phy_id_mask    = 0xfffffff0,
        .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         = 0x0007c0b0, /* OUI=0x00800f, Model#=0x0b */
        .phy_id_mask    = 0xfffffff0,
        .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: 0x9500), LAN9514 (PID: 0xec00), LAN9505 (PID: 0x9505)
         */
        .phy_id         = 0x0007c0c0, /* OUI=0x00800f, Model#=0x0c */
        .phy_id_mask    = 0xfffffff0,
        .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         = 0x0007c0d0, /* OUI=0x00800f, Model#=0x0d */
        .phy_id_mask    = 0xfffffff0,
        .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: 0x9E00), LAN9505A (PID: 0x9E01)
         */
        .phy_id         = 0x0007c0f0, /* OUI=0x00800f, Model#=0x0f */
        .phy_id_mask    = 0xfffffff0,
        .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         = 0x0007c110,
        .phy_id_mask    = 0xfffffff0,
        .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         = 0x0007c130,   /* 0x0007c130 and 0x0007c131 */
        /* This mask (0xfffffff2) is to differentiate from
         * LAN88xx (phy_id 0x0007c132)
         * and allows future phy_id revisions.
         */
        .phy_id_mask    = 0xfffffff2,
        .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[] = {
        { 0x0007c0a0, 0xfffffff0 },
        { 0x0007c0b0, 0xfffffff0 },
        { 0x0007c0c0, 0xfffffff0 },
        { 0x0007c0d0, 0xfffffff0 },
        { 0x0007c0f0, 0xfffffff0 },
        { 0x0007c110, 0xfffffff0 },
        { 0x0007c130, 0xfffffff2 },
        { }
};

MODULE_DEVICE_TABLE(mdio, smsc_tbl);