2  * Broadcom BCM7xxx internal transceivers support.
4  * Copyright (C) 2014-2017 Broadcom
13 #include <linux/phy.h>
15 #include "bcm-phy-lib.h"
20 /* Broadcom BCM7xxx internal PHY registers */
89 	/* Adjust bias current trim by -3 */  in bcm7xxx_28nm_b0_afe_config_init()
123 	/* AFE_RXCONFIG_2, set rCal offset for HT=0 code and LT=-2 code */  in bcm7xxx_28nm_d0_afe_config_init()
138 	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal  in bcm7xxx_28nm_d0_afe_config_init()
143 	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */  in bcm7xxx_28nm_d0_afe_config_init()
166 	/* AFE_HPF_TRIM_OTHERS, set 100Tx/10BT to -4.5% swing and set rCal  in bcm7xxx_28nm_e0_plus_afe_config_init()
171 	/* CORE_BASE1E, force trim to overwrite and set I_ext trim to 0000 */  in bcm7xxx_28nm_e0_plus_afe_config_init()
210 	u8 rev = PHY_BRCM_7XXX_REV(phydev->dev_flags);  in bcm7xxx_28nm_config_init()
211 	u8 patch = PHY_BRCM_7XXX_PATCH(phydev->dev_flags);  in bcm7xxx_28nm_config_init()
219 		rev = phydev->phy_id & ~phydev->drv->phy_id_mask;  in bcm7xxx_28nm_config_init()
221 	pr_info_once("%s: %s PHY revision: 0x%02x, patch: %d\n",  in bcm7xxx_28nm_config_init()
222 		     phydev_name(phydev), phydev->drv->name, rev, patch);  in bcm7xxx_28nm_config_init()
225 	 * internal inverter may not allow the first MDIO transaction to pass  in bcm7xxx_28nm_config_init()
271 	/* Re-apply workarounds coming out suspend/resume */  in bcm7xxx_28nm_resume()
276 	/* 28nm Gigabit PHYs come out of reset without any half-duplex  in bcm7xxx_28nm_resume()
278 	 * cause any problems with the PHY library since genphy_config_aneg()  in bcm7xxx_28nm_resume()
279 	 * gracefully handles auto-negotiated and forced modes.  in bcm7xxx_28nm_resume()
313 	/* Set current trim values INT_trim = -1, Ext_trim =0 */  in bcm7xxx_28nm_ephy_01_afe_config_init()
348 /* The 28nm EPHY does not support Clause 45 (MMD) used by bcm-phy-lib */
359 	/* Enable auto-power down */  in bcm7xxx_28nm_ephy_apd_enable()
439 	u8 rev = phydev->phy_id & ~phydev->drv->phy_id_mask;  in bcm7xxx_28nm_ephy_config_init()
442 	pr_info_once("%s: %s PHY revision: 0x%02x\n",  in bcm7xxx_28nm_ephy_config_init()
443 		     phydev_name(phydev), phydev->drv->name, rev);  in bcm7xxx_28nm_ephy_config_init()
446 	 * where the internal inverter may not allow the first MDIO transaction  in bcm7xxx_28nm_ephy_config_init()
452 	/* Apply AFE software work-around if necessary */  in bcm7xxx_28nm_ephy_config_init()
470 	/* Re-apply workarounds coming out suspend/resume */  in bcm7xxx_28nm_ephy_resume()
509 /* Workaround for putting the PHY in IDDQ mode, required
543 	switch (tuna->id) {  in bcm7xxx_28nm_get_tunable()
547 		return -EOPNOTSUPP;  in bcm7xxx_28nm_get_tunable()
558 	switch (tuna->id) {  in bcm7xxx_28nm_set_tunable()
563 		return -EOPNOTSUPP;  in bcm7xxx_28nm_set_tunable()
569 	/* Disable EEE advertisement since this prevents the PHY  in bcm7xxx_28nm_set_tunable()
570 	 * from successfully linking up, trigger auto-negotiation restart  in bcm7xxx_28nm_set_tunable()
583 	struct bcm7xxx_phy_priv *priv = phydev->priv;  in bcm7xxx_28nm_get_phy_stats()
585 	bcm_phy_get_stats(phydev, priv->stats, stats, data);  in bcm7xxx_28nm_get_phy_stats()
592 	priv = devm_kzalloc(&phydev->mdio.dev, sizeof(*priv), GFP_KERNEL);  in bcm7xxx_28nm_probe()
594 		return -ENOMEM;  in bcm7xxx_28nm_probe()
596 	phydev->priv = priv;  in bcm7xxx_28nm_probe()
598 	priv->stats = devm_kcalloc(&phydev->mdio.dev,  in bcm7xxx_28nm_probe()
601 	if (!priv->stats)  in bcm7xxx_28nm_probe()
602 		return -ENOMEM;  in bcm7xxx_28nm_probe()
695 MODULE_DESCRIPTION("Broadcom BCM7xxx internal PHY driver");