1 // SPDX-License-Identifier: GPL-2.0
3  * Copyright (C) 2015-2017 Broadcom
6 #include "bcm-phy-lib.h"
192 	if (phydev->interrupts == PHY_INTERRUPT_ENABLED) {  in bcm_phy_config_intr()
359 	if (phydev->autoneg == AUTONEG_ENABLE)  in bcm_phy_enable_apd()
367 	/* Enable Auto Power-Down (APD) for the PHY */  in bcm_phy_enable_apd()
394 			      phydev->supported))  in bcm_phy_set_eee()
397 			      phydev->supported))  in bcm_phy_set_eee()
448 	if (count - BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET >  in bcm_phy_downshift_set()
451 		return -ERANGE;  in bcm_phy_downshift_set()
488 		val |= (count - BCM54XX_SHD_SCR2_WSPD_RTRY_LMT_OFFSET) <<  in bcm_phy_downshift_set()
507 	{ "phy_receive_errors", -1, MII_BRCM_CORE_BASE12, 0, 16 },
508 	{ "phy_serdes_ber_errors", -1, MII_BRCM_CORE_BASE13, 8, 8 },
509 	{ "phy_false_carrier_sense_errors", -1, MII_BRCM_CORE_BASE13, 0, 8 },
510 	{ "phy_local_rcvr_nok", -1, MII_BRCM_CORE_BASE14, 8, 8 },
511 	{ "phy_remote_rcv_nok", -1, MII_BRCM_CORE_BASE14, 0, 8 },
549 		val = val & ((1 << stat.bits) - 1);  in bcm_phy_get_stat()
592 	/* Adjust bias current trim by -3 */  in bcm_phy_28nm_a0b0_afe_config_init()
633 	/* Enable the elastic FIFO for raising the transmission limit from  in bcm_phy_enable_jumbo()
657 	/* Auto-negotiation must be enabled for cable diagnostics to work, but  in _bcm_phy_cable_test_start()
679 	/* re-enable the RDB access even if there was an error */  in _bcm_phy_cable_test_start()
788 	/* re-enable the RDB access even if there was an error */  in _bcm_phy_cable_test_get_status()
801 	phydev->pause = 0;  in bcm_setup_lre_forced()
802 	phydev->asym_pause = 0;  in bcm_setup_lre_forced()
804 	if (phydev->speed == SPEED_100)  in bcm_setup_lre_forced()
807 	if (phydev->duplex != DUPLEX_FULL)  in bcm_setup_lre_forced()
808 		return -EOPNOTSUPP;  in bcm_setup_lre_forced()
814  * bcm_linkmode_adv_to_lre_adv_t - translate linkmode advertisement to LDS
816  * Return: LDS Auto-Negotiation Advertised Ability register value
853  * mode. If, in the future, this is not true anymore, we have to re-implement
877 	struct net_device *ndev = phydev->attached_dev;  in bcm_phy_set_wol()
883 	/* Allow a MAC driver to play through its own Wake-on-LAN  in bcm_phy_set_wol()
886 	if (wol->wolopts & ~BCM54XX_WOL_SUPPORTED_MASK)  in bcm_phy_set_wol()
887 		return -EOPNOTSUPP;  in bcm_phy_set_wol()
892 	BUILD_BUG_ON(sizeof(wol->sopass) != ETH_ALEN);  in bcm_phy_set_wol()
905 	if (!wol->wolopts) {  in bcm_phy_set_wol()
907 			disable_irq_wake(phydev->irq);  in bcm_phy_set_wol()
915 		/* Disable the global Wake-on-LAN enable bit */  in bcm_phy_set_wol()
921 	/* Clear the previously configured mode and mask mode for Wake-on-LAN */  in bcm_phy_set_wol()
933 	 * - WAKE_UCAST -> MAC DA is the device's MAC with a perfect match  in bcm_phy_set_wol()
934 	 * - WAKE_MCAST -> MAC DA is X1:XX:XX:XX:XX:XX where XX is don't care  in bcm_phy_set_wol()
935 	 * - WAKE_BCAST -> MAC DA is FF:FF:FF:FF:FF:FF with a perfect match  in bcm_phy_set_wol()
942 	if (wol->wolopts & WAKE_MCAST) {  in bcm_phy_set_wol()
948 		if (wol->wolopts & WAKE_UCAST) {  in bcm_phy_set_wol()
949 			ether_addr_copy(da, ndev->dev_addr);  in bcm_phy_set_wol()
950 		} else if (wol->wolopts & WAKE_BCAST) {  in bcm_phy_set_wol()
952 		} else if (wol->wolopts & WAKE_MAGICSECURE) {  in bcm_phy_set_wol()
953 			ether_addr_copy(da, wol->sopass);  in bcm_phy_set_wol()
954 		} else if (wol->wolopts & WAKE_MAGIC) {  in bcm_phy_set_wol()
961 		if (wol->wolopts & (WAKE_MAGIC | WAKE_MAGICSECURE)) {  in bcm_phy_set_wol()
963 						BCM54XX_WOL_MPD_DATA1(2 - i),  in bcm_phy_set_wol()
964 						ndev->dev_addr[i * 2] << 8 |  in bcm_phy_set_wol()
965 						ndev->dev_addr[i * 2 + 1]);  in bcm_phy_set_wol()
970 		ret = bcm_phy_write_exp(phydev, BCM54XX_WOL_MPD_DATA2(2 - i),  in bcm_phy_set_wol()
975 		ret = bcm_phy_write_exp(phydev, BCM54XX_WOL_MASK(2 - i),  in bcm_phy_set_wol()
981 	if (wol->wolopts & WAKE_MAGICSECURE) {  in bcm_phy_set_wol()
988 		if (wol->wolopts & WAKE_MAGIC)  in bcm_phy_set_wol()
996 	/* Globally enable Wake-on-LAN */  in bcm_phy_set_wol()
1013 	/* Enable all Wake-on-LAN interrupt sources */  in bcm_phy_set_wol()
1019 		enable_irq_wake(phydev->irq);  in bcm_phy_set_wol()
1027 	struct net_device *ndev = phydev->attached_dev;  in bcm_phy_get_wol()
1033 	wol->supported = BCM54XX_WOL_SUPPORTED_MASK;  in bcm_phy_get_wol()
1034 	wol->wolopts = 0;  in bcm_phy_get_wol()
1047 				       BCM54XX_WOL_MPD_DATA2(2 - i));  in bcm_phy_get_wol()
1057 			wol->wolopts |= WAKE_BCAST;  in bcm_phy_get_wol()
1059 			wol->wolopts |= WAKE_MCAST;  in bcm_phy_get_wol()
1060 		else if (ether_addr_equal(da, ndev->dev_addr))  in bcm_phy_get_wol()
1061 			wol->wolopts |= WAKE_UCAST;  in bcm_phy_get_wol()
1066 			wol->wolopts |= WAKE_MAGIC;  in bcm_phy_get_wol()
1069 			wol->wolopts |= WAKE_MAGICSECURE;  in bcm_phy_get_wol()
1070 			memcpy(wol->sopass, da, sizeof(da));  in bcm_phy_get_wol()
1093 		return -EINVAL;  in bcm_phy_led_brightness_set()
1116 	switch (phydev->master_slave_set) {  in bcm_setup_lre_master_slave()
1129 		return -EOPNOTSUPP;  in bcm_setup_lre_master_slave()
1149 	if (phydev->autoneg != AUTONEG_ENABLE)  in bcm_config_lre_aneg()
1163  * bcm_config_lre_advert - sanitize and advertise Long-Distance Signaling
1164  *  auto-negotiation parameters
1175 	u32 adv = bcm_linkmode_adv_to_lre_adv_t(phydev->advertising);  in bcm_config_lre_advert()
1177 	/* Setup BroadR-Reach mode advertisement */  in bcm_config_lre_advert()