1 // SPDX-License-Identifier: GPL-2.0
3  * Driver for Aquantia PHY
14 #include <linux/phy.h>
166 	int len_l = min(stat->size, 16);  in aqr107_get_stat()
167 	int len_h = stat->size - len_l;  in aqr107_get_stat()
171 	val = phy_read_mmd(phydev, MDIO_MMD_C22EXT, stat->reg);  in aqr107_get_stat()
175 	ret = val & GENMASK(len_l - 1, 0);  in aqr107_get_stat()
177 		val = phy_read_mmd(phydev, MDIO_MMD_C22EXT, stat->reg + 1);  in aqr107_get_stat()
181 		ret += (val & GENMASK(len_h - 1, 0)) << 16;  in aqr107_get_stat()
190 	struct aqr107_priv *priv = phydev->priv;  in aqr107_get_stats()
200 			priv->sgmii_stats[i] += val;  in aqr107_get_stats()
202 		data[i] = priv->sgmii_stats[i];  in aqr107_get_stats()
212 	if (phydev->autoneg == AUTONEG_DISABLE)  in aqr_config_aneg()
226 			      phydev->advertising))  in aqr_config_aneg()
230 			      phydev->advertising))  in aqr_config_aneg()
246 	bool en = phydev->interrupts == PHY_INTERRUPT_ENABLED;  in aqr_config_intr()
277 	if (phydev->autoneg == AUTONEG_ENABLE) {  in aqr_read_status()
283 				 phydev->lp_advertising,  in aqr_read_status()
286 				 phydev->lp_advertising,  in aqr_read_status()
303 		phydev->speed = SPEED_10;  in aqr107_read_rate()
306 		phydev->speed = SPEED_100;  in aqr107_read_rate()
309 		phydev->speed = SPEED_1000;  in aqr107_read_rate()
312 		phydev->speed = SPEED_2500;  in aqr107_read_rate()
315 		phydev->speed = SPEED_5000;  in aqr107_read_rate()
318 		phydev->speed = SPEED_10000;  in aqr107_read_rate()
321 		phydev->speed = SPEED_UNKNOWN;  in aqr107_read_rate()
326 		phydev->duplex = DUPLEX_FULL;  in aqr107_read_rate()
328 		phydev->duplex = DUPLEX_HALF;  in aqr107_read_rate()
341 	if (!phydev->link || phydev->autoneg == AUTONEG_DISABLE)  in aqr107_read_status()
350 		phydev->interface = PHY_INTERFACE_MODE_10GKR;  in aqr107_read_status()
353 		phydev->interface = PHY_INTERFACE_MODE_10GBASER;  in aqr107_read_status()
356 		phydev->interface = PHY_INTERFACE_MODE_USXGMII;  in aqr107_read_status()
359 		phydev->interface = PHY_INTERFACE_MODE_SGMII;  in aqr107_read_status()
362 		phydev->interface = PHY_INTERFACE_MODE_2500BASEX;  in aqr107_read_status()
365 		phydev->interface = PHY_INTERFACE_MODE_NA;  in aqr107_read_status()
394 		return -E2BIG;  in aqr107_set_downshift()
409 	switch (tuna->id) {  in aqr107_get_tunable()
413 		return -EOPNOTSUPP;  in aqr107_get_tunable()
420 	switch (tuna->id) {  in aqr107_set_tunable()
424 		return -EOPNOTSUPP;  in aqr107_set_tunable()
471 	/* Check that the PHY interface type is compatible */  in aqr107_config_init()
472 	if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&  in aqr107_config_init()
473 	    phydev->interface != PHY_INTERFACE_MODE_2500BASEX &&  in aqr107_config_init()
474 	    phydev->interface != PHY_INTERFACE_MODE_XGMII &&  in aqr107_config_init()
475 	    phydev->interface != PHY_INTERFACE_MODE_USXGMII &&  in aqr107_config_init()
476 	    phydev->interface != PHY_INTERFACE_MODE_10GKR &&  in aqr107_config_init()
477 	    phydev->interface != PHY_INTERFACE_MODE_10GBASER)  in aqr107_config_init()
478 		return -ENODEV;  in aqr107_config_init()
480 	WARN(phydev->interface == PHY_INTERFACE_MODE_XGMII,  in aqr107_config_init()
494 	/* Check that the PHY interface type is compatible */  in aqcs109_config_init()
495 	if (phydev->interface != PHY_INTERFACE_MODE_SGMII &&  in aqcs109_config_init()
496 	    phydev->interface != PHY_INTERFACE_MODE_2500BASEX)  in aqcs109_config_init()
497 		return -ENODEV;  in aqcs109_config_init()
504 	 * PMA speed ability bits are the same for all members of the family,  in aqcs109_config_init()
520 	if (phydev->state != PHY_RUNNING || phydev->autoneg == AUTONEG_DISABLE)  in aqr107_link_change_notify()
524 	/* call failed or link partner is no Aquantia PHY */  in aqr107_link_change_notify()
544 	phydev_dbg(phydev, "Link partner is Aquantia PHY, FW %u.%u%s%s%s\n",  in aqr107_link_change_notify()
547 		   downshift ? ", fast-retrain downshift advertised" : "",  in aqr107_link_change_notify()
556 		phydev_info(phydev, "Aquantia 1000Base-T2 mode active\n");  in aqr107_link_change_notify()
573 	phydev->priv = devm_kzalloc(&phydev->mdio.dev,  in aqr107_probe()
575 	if (!phydev->priv)  in aqr107_probe()
576 		return -ENOMEM;  in aqr107_probe()
677 MODULE_DESCRIPTION("Aquantia PHY driver");