1 // SPDX-License-Identifier: GPL-2.0+
53 #define PHY_IMASK_WOL		BIT(15)	/* Wake-on-LAN */
54 #define PHY_IMASK_ANC		BIT(10)	/* Auto-Neg complete */
55 #define PHY_IMASK_ADSC		BIT(5)	/* Link auto-downspeed detect */
117 /* WoL */
136 	 * it can safely re-enter loopback mode. Record the time when
156  *   T = -2.5761e-11*(N^4) + 9.7332e-8*(N^3) + -1.9165e-4*(N^2) +
157  *       3.0762e-1*(N^1) + -5.2156e1
159  * where [-52.156, 137.961]C and N = [0, 1023].
168  *   T = -25761e-12*(N^4) + 97332e-9*(N^3) + -191650e-6*(N^2) +
169  *       307620e-3*(N^1) + -52156
171  * where T = [-52156, 137961]mC and N = [0, 1023].
175 		{4,  -25761, 1000, 1},
177 		{2, -191650, 1000, 1},
179 		{0,  -52156,    1, 1}
194 		return -ENODATA;  in gpy_hwmon_read()
226 	struct device *dev = &phydev->mdio.dev;  in gpy_hwmon_register()
259 	struct gpy_priv *priv = phydev->priv;  in gpy_mbox_read()
263 	mutex_lock(&priv->mbox_lock);  in gpy_mbox_read()
292 	mutex_unlock(&priv->mbox_lock);  in gpy_mbox_read()
304 	__set_bit(PHY_INTERFACE_MODE_2500BASEX, phydev->possible_interfaces);  in gpy21x_config_init()
305 	__set_bit(PHY_INTERFACE_MODE_SGMII, phydev->possible_interfaces);  in gpy21x_config_init()
312 	struct device *dev = &phydev->mdio.dev;  in gpy_probe()
317 	if (!phydev->is_c45) {  in gpy_probe()
325 		return -ENOMEM;  in gpy_probe()
326 	phydev->priv = priv;  in gpy_probe()
327 	mutex_init(&priv->mbox_lock);  in gpy_probe()
329 	if (!device_property_present(dev, "maxlinear,use-broken-interrupts"))  in gpy_probe()
330 		phydev->dev_flags |= PHY_F_NO_IRQ;  in gpy_probe()
335 	priv->fw_major = FIELD_GET(PHY_FWV_MAJOR_MASK, fw_version);  in gpy_probe()
336 	priv->fw_minor = FIELD_GET(PHY_FWV_MINOR_MASK, fw_version);  in gpy_probe()
344 		    priv->fw_major, priv->fw_minor, fw_version,  in gpy_probe()
352 	struct gpy_priv *priv = phydev->priv;  in gpy_sgmii_need_reaneg()
356 		if (priv->fw_major != ver_need_sgmii_reaneg[i].major)  in gpy_sgmii_need_reaneg()
358 		if (priv->fw_minor < ver_need_sgmii_reaneg[i].minor)  in gpy_sgmii_need_reaneg()
381 	phydev->speed = SPEED_2500;  in gpy_2500basex_chk()
382 	phydev->interface = PHY_INTERFACE_MODE_2500BASEX;  in gpy_2500basex_chk()
435 	if (phydev->autoneg == AUTONEG_DISABLE) {  in gpy_config_aneg()
439 		return phydev->duplex != DUPLEX_FULL  in gpy_config_aneg()
444 	ret = gpy_config_mdix(phydev,  phydev->mdix_ctrl);  in gpy_config_aneg()
454 	adv = linkmode_adv_to_mii_ctrl1000_t(phydev->advertising);  in gpy_config_aneg()
467 	if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||  in gpy_config_aneg()
468 	    phydev->interface == PHY_INTERFACE_MODE_INTERNAL)  in gpy_config_aneg()
471 	/* No need to trigger re-ANEG if link speed is 2.5G or SGMII ANEG is  in gpy_config_aneg()
481 	 * again, SGMII AN is not triggered and hence no new in-band message  in gpy_config_aneg()
482 	 * from GPY to MAC side SGMII.  in gpy_config_aneg()
484 	 * MAC. At this condition, once MAC side SGMII is up, MAC side SGMII  in gpy_config_aneg()
485 	 * wouldn`t receive new in-band message from GPY with correct link  in gpy_config_aneg()
499 	if (phydev->state != PHY_UP)  in gpy_config_aneg()
504 	if (ret == -ETIMEDOUT)  in gpy_config_aneg()
523 		phydev->mdix_ctrl = ETH_TP_MDI_AUTO;  in gpy_update_mdix()
526 			phydev->mdix_ctrl = ETH_TP_MDI_X;  in gpy_update_mdix()
528 			phydev->mdix_ctrl = ETH_TP_MDI;  in gpy_update_mdix()
535 		phydev->mdix = ETH_TP_MDI_X;  in gpy_update_mdix()
537 		phydev->mdix = ETH_TP_MDI;  in gpy_update_mdix()
547 	if (phydev->interface == PHY_INTERFACE_MODE_USXGMII ||  in gpy_update_interface()
548 	    phydev->interface == PHY_INTERFACE_MODE_INTERNAL)  in gpy_update_interface()
549 		return -EINVAL;  in gpy_update_interface()
551 	/* Automatically switch SERDES interface between SGMII and 2500-BaseX  in gpy_update_interface()
552 	 * according to speed. Disable ANEG in 2500-BaseX mode.  in gpy_update_interface()
554 	switch (phydev->speed) {  in gpy_update_interface()
556 		phydev->interface = PHY_INTERFACE_MODE_2500BASEX;  in gpy_update_interface()
569 		phydev->interface = PHY_INTERFACE_MODE_SGMII;  in gpy_update_interface()
573 		 * if ANEG is disabled (in 2500-BaseX mode).  in gpy_update_interface()
587 	if (phydev->speed == SPEED_2500 || phydev->speed == SPEED_1000) {  in gpy_update_interface()
604 	phydev->speed = SPEED_UNKNOWN;  in gpy_read_status()
605 	phydev->duplex = DUPLEX_UNKNOWN;  in gpy_read_status()
606 	phydev->pause = 0;  in gpy_read_status()
607 	phydev->asym_pause = 0;  in gpy_read_status()
609 	if (phydev->autoneg == AUTONEG_ENABLE && phydev->autoneg_complete) {  in gpy_read_status()
618 		mii_stat1000_mod_linkmode_lpa_t(phydev->lp_advertising, ret);  in gpy_read_status()
619 	} else if (phydev->autoneg == AUTONEG_DISABLE) {  in gpy_read_status()
620 		linkmode_zero(phydev->lp_advertising);  in gpy_read_status()
627 	phydev->link = (ret & PHY_MIISTAT_LS) ? 1 : 0;  in gpy_read_status()
628 	phydev->duplex = (ret & PHY_MIISTAT_DPX) ? DUPLEX_FULL : DUPLEX_HALF;  in gpy_read_status()
631 		phydev->speed = SPEED_10;  in gpy_read_status()
634 		phydev->speed = SPEED_100;  in gpy_read_status()
637 		phydev->speed = SPEED_1000;  in gpy_read_status()
640 		phydev->speed = SPEED_2500;  in gpy_read_status()
644 	if (phydev->link) {  in gpy_read_status()
655 	struct gpy_priv *priv = phydev->priv;  in gpy_config_intr()
663 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED)  in gpy_config_intr()
666 	if (priv->wolopts & WAKE_MAGIC)  in gpy_config_intr()
669 	if (priv->wolopts & WAKE_PHY)  in gpy_config_intr()
715 		       struct ethtool_wolinfo *wol)  in gpy_set_wol()  argument
717 	struct net_device *attach_dev = phydev->attached_dev;  in gpy_set_wol()
718 	struct gpy_priv *priv = phydev->priv;  in gpy_set_wol()
721 	if (wol->wolopts & WAKE_MAGIC) {  in gpy_set_wol()
722 		/* MAC address - Byte0:Byte1:Byte2:Byte3:Byte4:Byte5  in gpy_set_wol()
729 				       ((attach_dev->dev_addr[0] << 8) |  in gpy_set_wol()
730 				       attach_dev->dev_addr[1]));  in gpy_set_wol()
736 				       ((attach_dev->dev_addr[2] << 8) |  in gpy_set_wol()
737 				       attach_dev->dev_addr[3]));  in gpy_set_wol()
743 				       ((attach_dev->dev_addr[4] << 8) |  in gpy_set_wol()
744 				       attach_dev->dev_addr[5]));  in gpy_set_wol()
748 		/* Enable the WOL interrupt */  in gpy_set_wol()
761 		 * Only WoL is enabled so clear all.  in gpy_set_wol()
767 		priv->wolopts |= WAKE_MAGIC;  in gpy_set_wol()
776 		/* Disable the WOL interrupt */  in gpy_set_wol()
781 		priv->wolopts &= ~WAKE_MAGIC;  in gpy_set_wol()
784 	if (wol->wolopts & WAKE_PHY) {  in gpy_set_wol()
798 		priv->wolopts |= WAKE_PHY;  in gpy_set_wol()
802 	priv->wolopts &= ~WAKE_PHY;  in gpy_set_wol()
808 			struct ethtool_wolinfo *wol)  in gpy_get_wol()  argument
810 	struct gpy_priv *priv = phydev->priv;  in gpy_get_wol()
812 	wol->supported = WAKE_MAGIC | WAKE_PHY;  in gpy_get_wol()
813 	wol->wolopts = priv->wolopts;  in gpy_get_wol()
818 	struct gpy_priv *priv = phydev->priv;  in gpy_loopback()
826 		if (time_before64(now, priv->lb_dis_to))  in gpy_loopback()
827 			msleep(jiffies64_to_msecs(priv->lb_dis_to - now));  in gpy_loopback()
842 		priv->lb_dis_to = get_jiffies_64() + HZ * 3;  in gpy_loopback()
850 	struct gpy_priv *priv = phydev->priv;  in gpy115_loopback()
855 	if (priv->fw_minor > 0x76)  in gpy115_loopback()
867 		return -EINVAL;  in gpy_led_brightness_set()
898 		return -EINVAL;  in gpy_led_hw_is_supported()
902 		return -EOPNOTSUPP;  in gpy_led_hw_is_supported()
913 		return -EINVAL;  in gpy_led_hw_control_get()
953 		return -EINVAL;  in gpy_led_hw_control_set()
996 		return -EINVAL;  in gpy_led_polarity_set()
1007 			return -EINVAL;  in gpy_led_polarity_set()
1017 	return -EINVAL;  in gpy_led_polarity_set()