1 // SPDX-License-Identifier: GPL-2.0+
27 /* Vendor-specific PHY Definitions */
43 	const char *string;  member
70 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {  in smsc_phy_config_intr()
91 	struct smsc_phy_priv *priv = phydev->priv;  in smsc_phy_config_edpd()
93 	if (priv->edpd_enable)  in smsc_phy_config_edpd()
107 		if (irq_status != -ENODEV)  in smsc_phy_handle_interrupt()
124 	struct smsc_phy_priv *priv = phydev->priv;  in smsc_phy_config_init()
130 	if (!priv->edpd_mode_set_by_user && phydev->irq != PHY_POLL)  in smsc_phy_config_init()
131 		priv->edpd_enable = false;  in smsc_phy_config_init()
162 	/* When auto-negotiation is disabled (forced mode), the PHY's  in lan87xx_config_aneg()
163 	 * Auto-MDIX will continue toggling the TX/RX pairs.  in lan87xx_config_aneg()
167 	 * 'auto'), we default to ETH_TP_MDI. This choice of a ETH_TP_MDI mode  in lan87xx_config_aneg()
171 	if (phydev->autoneg == AUTONEG_DISABLE) {  in lan87xx_config_aneg()
172 		if (phydev->mdix_ctrl == ETH_TP_MDI_AUTO)  in lan87xx_config_aneg()
175 			mdix_ctrl = phydev->mdix_ctrl;  in lan87xx_config_aneg()
177 		mdix_ctrl = phydev->mdix_ctrl;  in lan87xx_config_aneg()
206 	phydev->mdix = mdix_ctrl;  in lan87xx_config_aneg()
212 	if (phydev->phy_id == 0x0007c0f0) { /* LAN9500A or LAN9505A */  in lan95xx_config_aneg_ext()
225  * The LAN87xx suffers from rare absence of the ENERGYON-bit when Ethernet cable
226  * plugs in while LAN87xx is in Energy Detect Power-Down mode. This leads to
227  * unstable detection of plugging in Ethernet cable.
228  * This workaround disables Energy Detect Power-Down mode and waiting for
230  * The Energy Detect Power-Down mode is enabled again in the end of procedure to
232  * The workaround is only applicable to poll mode. Energy Detect Power-Down may
233  * not be used in interrupt mode lest link change detection becomes unreliable.
237 	struct smsc_phy_priv *priv = phydev->priv;  in lan87xx_read_status()
244 	if (!phydev->link && priv && priv->edpd_enable &&  in lan87xx_read_status()
245 	    priv->edpd_max_wait_ms) {  in lan87xx_read_status()
246 		unsigned int max_wait = priv->edpd_max_wait_ms * 1000;  in lan87xx_read_status()
269 		/* Re-enable EDPD */  in lan87xx_read_status()
288 	/* The LAN87xx PHY's initial MDI-X mode is determined by the AUTOMDIX_EN  in lan87xx_phy_config_init()
294 	 * into a known state with Auto-MDIX enabled, which is the expected  in lan87xx_phy_config_init()
306 	phydev->mdix_ctrl = ETH_TP_MDI_AUTO;  in lan87xx_phy_config_init()
323 	 * be cleared to de-assert PME signal after a WoL event happens, but  in lan874x_phy_config_init()
324 	 * using PME auto clear gets around that.  in lan874x_phy_config_init()
344 	struct smsc_phy_priv *priv = phydev->priv;  in lan874x_get_wol()
347 	wol->supported = (WAKE_UCAST | WAKE_BCAST | WAKE_MAGIC |  in lan874x_get_wol()
349 	wol->wolopts = 0;  in lan874x_get_wol()
356 		wol->wolopts |= WAKE_UCAST;  in lan874x_get_wol()
359 		wol->wolopts |= WAKE_BCAST;  in lan874x_get_wol()
362 		wol->wolopts |= WAKE_MAGIC;  in lan874x_get_wol()
365 		if (priv->wol_arp)  in lan874x_get_wol()
366 			wol->wolopts |= WAKE_ARP;  in lan874x_get_wol()
368 			wol->wolopts |= WAKE_MCAST;  in lan874x_get_wol()
385 	 * are 8 registers to program the 16-bit masks, where each bit means  in lan874x_chk_wol_pattern()
396 		for (j = 0; j < 16; j++, i++, len--) {  in lan874x_chk_wol_pattern()
440 		reg--;  in lan874x_set_wol_pattern()
442 		masklen -= 16;  in lan874x_set_wol_pattern()
448 		reg--;  in lan874x_set_wol_pattern()
456 	struct net_device *ndev = phydev->attached_dev;  in lan874x_set_wol()
457 	struct smsc_phy_priv *priv = phydev->priv;  in lan874x_set_wol()
464 	if ((wol->wolopts & (WAKE_ARP | WAKE_MCAST)) ==  in lan874x_set_wol()
468 		return -EOPNOTSUPP;  in lan874x_set_wol()
477 	if (wol->wolopts & WAKE_UCAST)  in lan874x_set_wol()
482 	if (wol->wolopts & WAKE_BCAST)  in lan874x_set_wol()
487 	if (wol->wolopts & WAKE_MAGIC)  in lan874x_set_wol()
493 	if (wol->wolopts & (WAKE_ARP | WAKE_MCAST))  in lan874x_set_wol()
498 	if (wol->wolopts & WAKE_ARP) {  in lan874x_set_wol()
515 		priv->wol_arp = true;  in lan874x_set_wol()
518 	if (wol->wolopts & WAKE_MCAST) {  in lan874x_set_wol()
524 		priv->wol_arp = false;  in lan874x_set_wol()
527 	if (wol->wolopts & (WAKE_MAGIC | WAKE_UCAST)) {  in lan874x_set_wol()
528 		const u8 *mac = (const u8 *)ndev->dev_addr;  in lan874x_set_wol()
532 		for (i = 0; i < 6; i += 2, reg--) {  in lan874x_set_wol()
558 		ethtool_puts(&data, smsc_hw_stats[i].string);  in smsc_get_strings()
587 	struct smsc_phy_priv *priv = phydev->priv;  in smsc_phy_get_edpd()
590 		return -EOPNOTSUPP;  in smsc_phy_get_edpd()
592 	if (!priv->edpd_enable)  in smsc_phy_get_edpd()
594 	else if (!priv->edpd_max_wait_ms)  in smsc_phy_get_edpd()
597 		*edpd = PHY_STATE_MACH_MS + priv->edpd_max_wait_ms;  in smsc_phy_get_edpd()
604 	struct smsc_phy_priv *priv = phydev->priv;  in smsc_phy_set_edpd()
607 		return -EOPNOTSUPP;  in smsc_phy_set_edpd()
611 		priv->edpd_enable = false;  in smsc_phy_set_edpd()
614 		priv->edpd_enable = true;  in smsc_phy_set_edpd()
615 		priv->edpd_max_wait_ms = 0;  in smsc_phy_set_edpd()
621 		if (phydev->irq != PHY_POLL)  in smsc_phy_set_edpd()
622 			return -EOPNOTSUPP;  in smsc_phy_set_edpd()
624 			return -EINVAL;  in smsc_phy_set_edpd()
625 		priv->edpd_enable = true;  in smsc_phy_set_edpd()
626 		priv->edpd_max_wait_ms = edpd - PHY_STATE_MACH_MS;  in smsc_phy_set_edpd()
629 	priv->edpd_mode_set_by_user = true;  in smsc_phy_set_edpd()
637 	switch (tuna->id) {  in smsc_phy_get_tunable()
641 		return -EOPNOTSUPP;  in smsc_phy_get_tunable()
649 	switch (tuna->id) {  in smsc_phy_set_tunable()
653 		return -EOPNOTSUPP;  in smsc_phy_set_tunable()
660 	struct device *dev = &phydev->mdio.dev;  in smsc_phy_probe()
666 		return -ENOMEM;  in smsc_phy_probe()
668 	priv->edpd_enable = true;  in smsc_phy_probe()
669 	priv->edpd_max_wait_ms = EDPD_MAX_WAIT_DFLT_MS;  in smsc_phy_probe()
671 	if (device_property_present(dev, "smsc,disable-energy-detect"))  in smsc_phy_probe()
672 		priv->edpd_enable = false;  in smsc_phy_probe()
674 	phydev->priv = priv;  in smsc_phy_probe()