1 // SPDX-License-Identifier: GPL-2.0+
3  * Marvell 88x2222 dual-port multi-speed ethernet transceiver.
7  *	1000Base-X or 10GBase-R on the line side.
8  *	SGMII over 1000Base-X.
36 /* 1000Base-X/SGMII Control Register */
39 /* 1000BASE-X/SGMII Status Register */
42 /* 1000Base-X Auto-Negotiation Advertisement Register */
45 /* 1000Base-X PHY Specific Status Register */
110 	struct mv2222_data *priv = phydev->priv;  in mv2222_set_sgmii_speed()
112 	switch (phydev->speed) {  in mv2222_set_sgmii_speed()
116 				       priv->supported) ||  in mv2222_set_sgmii_speed()
118 				       priv->supported)))  in mv2222_set_sgmii_speed()
127 				       priv->supported) ||  in mv2222_set_sgmii_speed()
129 				       priv->supported)))  in mv2222_set_sgmii_speed()
137 				       priv->supported) ||  in mv2222_set_sgmii_speed()
139 				       priv->supported)))  in mv2222_set_sgmii_speed()
145 		return -EINVAL;  in mv2222_set_sgmii_speed()
151 	struct mv2222_data *priv = phydev->priv;  in mv2222_is_10g_capable()
154 				  priv->supported) ||  in mv2222_is_10g_capable()
156 				  priv->supported) ||  in mv2222_is_10g_capable()
158 				  priv->supported) ||  in mv2222_is_10g_capable()
160 				  priv->supported) ||  in mv2222_is_10g_capable()
162 				  priv->supported) ||  in mv2222_is_10g_capable()
164 				  priv->supported));  in mv2222_is_10g_capable()
169 	struct mv2222_data *priv = phydev->priv;  in mv2222_is_1gbx_capable()
172 				 priv->supported);  in mv2222_is_1gbx_capable()
177 	struct mv2222_data *priv = phydev->priv;  in mv2222_is_sgmii_capable()
180 				  priv->supported) ||  in mv2222_is_sgmii_capable()
182 				  priv->supported) ||  in mv2222_is_sgmii_capable()
184 				  priv->supported) ||  in mv2222_is_sgmii_capable()
186 				  priv->supported) ||  in mv2222_is_sgmii_capable()
188 				  priv->supported) ||  in mv2222_is_sgmii_capable()
190 				  priv->supported));  in mv2222_is_sgmii_capable()
195 	struct mv2222_data *priv = phydev->priv;  in mv2222_config_line()
197 	switch (priv->line_interface) {  in mv2222_config_line()
208 		return -EINVAL;  in mv2222_config_line()
212 /* Switch between 1G (1000Base-X/SGMII) and 10G (10GBase-R) modes */
215 	struct mv2222_data *priv = phydev->priv;  in mv2222_swap_line_type()
219 	switch (priv->line_interface) {  in mv2222_swap_line_type()
222 			priv->line_interface = PHY_INTERFACE_MODE_1000BASEX;  in mv2222_swap_line_type()
227 			priv->line_interface = PHY_INTERFACE_MODE_SGMII;  in mv2222_swap_line_type()
235 			priv->line_interface = PHY_INTERFACE_MODE_10GBASER;  in mv2222_swap_line_type()
241 		return -EINVAL;  in mv2222_swap_line_type()
255 	struct mv2222_data *priv = phydev->priv;  in mv2222_setup_forced()
258 	if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER) {  in mv2222_setup_forced()
259 		if (phydev->speed < SPEED_10000 &&  in mv2222_setup_forced()
260 		    phydev->speed != SPEED_UNKNOWN) {  in mv2222_setup_forced()
267 	if (priv->line_interface == PHY_INTERFACE_MODE_SGMII) {  in mv2222_setup_forced()
278 	struct mv2222_data *priv = phydev->priv;  in mv2222_config_aneg()
282 	if (priv->line_interface == PHY_INTERFACE_MODE_NA)  in mv2222_config_aneg()
285 	if (phydev->autoneg == AUTONEG_DISABLE ||  in mv2222_config_aneg()
286 	    priv->line_interface == PHY_INTERFACE_MODE_10GBASER)  in mv2222_config_aneg()
289 	adv = linkmode_adv_to_mii_adv_x(priv->supported,  in mv2222_config_aneg()
335 		/* 10GBASE-R do not support auto-negotiation */  in mv2222_read_status_10g()
336 		phydev->autoneg = AUTONEG_DISABLE;  in mv2222_read_status_10g()
337 		phydev->speed = SPEED_10000;  in mv2222_read_status_10g()
338 		phydev->duplex = DUPLEX_FULL;  in mv2222_read_status_10g()
340 		if (phydev->autoneg == AUTONEG_ENABLE) {  in mv2222_read_status_10g()
368 	if (phydev->autoneg == AUTONEG_ENABLE &&  in mv2222_read_status_1g()
396 			phydev->duplex = DUPLEX_FULL;  in mv2222_read_status_1g()
398 			phydev->duplex = DUPLEX_HALF;  in mv2222_read_status_1g()
401 			phydev->speed = SPEED_1000;  in mv2222_read_status_1g()
403 			phydev->speed = SPEED_100;  in mv2222_read_status_1g()
405 			phydev->speed = SPEED_10;  in mv2222_read_status_1g()
413 	struct mv2222_data *priv = phydev->priv;  in mv2222_link_is_operational()
420 	if (phydev->sfp_bus && !priv->sfp_link)  in mv2222_link_is_operational()
428 	struct mv2222_data *priv = phydev->priv;  in mv2222_read_status()
431 	phydev->link = 0;  in mv2222_read_status()
432 	phydev->speed = SPEED_UNKNOWN;  in mv2222_read_status()
433 	phydev->duplex = DUPLEX_UNKNOWN;  in mv2222_read_status()
438 	if (priv->line_interface == PHY_INTERFACE_MODE_10GBASER)  in mv2222_read_status()
446 	phydev->link = link;  in mv2222_read_status()
470 	if (phydev->interface != PHY_INTERFACE_MODE_XAUI)  in mv2222_config_init()
471 		return -EINVAL;  in mv2222_config_init()
487 	priv = phydev->priv;  in mv2222_sfp_insert()
488 	dev = &phydev->mdio.dev;  in mv2222_sfp_insert()
490 	sfp_parse_support(phydev->sfp_bus, id, sfp_supported, interfaces);  in mv2222_sfp_insert()
491 	phydev->port = sfp_parse_port(phydev->sfp_bus, id, sfp_supported);  in mv2222_sfp_insert()
492 	sfp_interface = sfp_select_interface(phydev->sfp_bus, sfp_supported);  in mv2222_sfp_insert()
501 		return -EINVAL;  in mv2222_sfp_insert()
504 	priv->line_interface = sfp_interface;  in mv2222_sfp_insert()
505 	linkmode_and(priv->supported, phydev->supported, sfp_supported);  in mv2222_sfp_insert()
511 	if (mutex_trylock(&phydev->lock)) {  in mv2222_sfp_insert()
513 		mutex_unlock(&phydev->lock);  in mv2222_sfp_insert()
524 	priv = phydev->priv;  in mv2222_sfp_remove()
526 	priv->line_interface = PHY_INTERFACE_MODE_NA;  in mv2222_sfp_remove()
527 	linkmode_zero(priv->supported);  in mv2222_sfp_remove()
528 	phydev->port = PORT_NONE;  in mv2222_sfp_remove()
536 	priv = phydev->priv;  in mv2222_sfp_link_up()
537 	priv->sfp_link = true;  in mv2222_sfp_link_up()
545 	priv = phydev->priv;  in mv2222_sfp_link_down()
546 	priv->sfp_link = false;  in mv2222_sfp_link_down()
562 	struct device *dev = &phydev->mdio.dev;  in mv2222_probe()
586 	linkmode_copy(phydev->supported, supported);  in mv2222_probe()
590 		return -ENOMEM;  in mv2222_probe()
592 	priv->line_interface = PHY_INTERFACE_MODE_NA;  in mv2222_probe()
593 	phydev->priv = priv;  in mv2222_probe()