1 // SPDX-License-Identifier: GPL-2.0-only
7  * (c) 2002-2007, Benjamin Herrenscmidt (benh@kernel.crashing.org)
10  *  - Add support for PHYs that provide an IRQ line
11  *  - Eventually moved the entire polling state machine in
14  *  - On LXT971 & BCM5201, Apple uses some chip specific regs
17  *  - Apple has some additional power management code for some
49 	return phy->mdio_read(phy->dev, id, reg);  in __sungem_phy_read()
54 	phy->mdio_write(phy->dev, id, reg, val);  in __sungem_phy_write()
59 	return phy->mdio_read(phy->dev, phy->mii_id, reg);  in sungem_phy_read()
64 	phy->mdio_write(phy->dev, phy->mii_id, reg, val);  in sungem_phy_write()
79 	while (--limit) {  in reset_one_mii_phy()
241 		 *       in the tg3.c driver. -DaveM  in bcm5401_init()
314 	phy->autoneg = 1;  in genmii_setup_aneg()
315 	phy->speed = SPEED_10;  in genmii_setup_aneg()
316 	phy->duplex = DUPLEX_HALF;  in genmii_setup_aneg()
317 	phy->pause = 0;  in genmii_setup_aneg()
318 	phy->advertising = advertise;  in genmii_setup_aneg()
345 	phy->autoneg = 0;  in genmii_setup_forced()
346 	phy->speed = speed;  in genmii_setup_forced()
347 	phy->duplex = fd;  in genmii_setup_forced()
348 	phy->pause = 0;  in genmii_setup_forced()
365 		return -EINVAL;  in genmii_setup_forced()
382 	if (phy->autoneg && !(status & BMSR_ANEGCOMPLETE))  in genmii_poll_link()
391 	if (phy->autoneg) {  in genmii_read_link()
395 			phy->duplex = DUPLEX_FULL;  in genmii_read_link()
397 			phy->duplex = DUPLEX_HALF;  in genmii_read_link()
399 			phy->speed = SPEED_100;  in genmii_read_link()
401 			phy->speed = SPEED_10;  in genmii_read_link()
402 		phy->pause = 0;  in genmii_read_link()
404 	/* On non-aneg, we assume what we put in BMCR is the speed,  in genmii_read_link()
405 	 * though magic-aneg shouldn't prevent this case from occurring  in genmii_read_link()
448 	if (phy->platform_data) {  in bcm5421_init()
449 		struct device_node *np = of_get_parent(phy->platform_data);  in bcm5421_init()
451 		if (np == NULL || of_get_property(np, "no-autolowpower", NULL))  in bcm5421_init()
455 			/* Enable automatic low-power */  in bcm5421_init()
470 	phy->autoneg = 1;  in bcm54xx_setup_aneg()
471 	phy->speed = SPEED_10;  in bcm54xx_setup_aneg()
472 	phy->duplex = DUPLEX_HALF;  in bcm54xx_setup_aneg()
473 	phy->pause = 0;  in bcm54xx_setup_aneg()
474 	phy->advertising = advertise;  in bcm54xx_setup_aneg()
514 	phy->autoneg = 0;  in bcm54xx_setup_forced()
515 	phy->speed = speed;  in bcm54xx_setup_forced()
516 	phy->duplex = fd;  in bcm54xx_setup_forced()
517 	phy->pause = 0;  in bcm54xx_setup_forced()
550 	if (phy->autoneg) {  in bcm54xx_read_link()
554 		phy->duplex = phy_BCM5400_link_table[link_mode][0] ?  in bcm54xx_read_link()
556 		phy->speed = phy_BCM5400_link_table[link_mode][2] ?  in bcm54xx_read_link()
561 		phy->pause = (phy->duplex == DUPLEX_FULL) &&  in bcm54xx_read_link()
564 	/* On non-aneg, we assume what we put in BMCR is the speed,  in bcm54xx_read_link()
565 	 * though magic-aneg shouldn't prevent this case from occurring  in bcm54xx_read_link()
633 	phy->speed = SPEED_1000;  in bcm5421_read_link()
635 	/* find out whether we are running half- or full duplex */  in bcm5421_read_link()
640 		phy->duplex |=  DUPLEX_HALF;  in bcm5421_read_link()
642 		phy->duplex |=  DUPLEX_FULL;  in bcm5421_read_link()
660 	phy->autoneg = autoneg;  in bcm5421_enable_fiber()
709 	phy->speed = SPEED_1000;  in bcm5461_read_link()
711 	/* find out whether we are running half- or full duplex */  in bcm5461_read_link()
716 		phy->duplex |=  DUPLEX_FULL;  in bcm5461_read_link()
718 		phy->duplex |=  DUPLEX_HALF;  in bcm5461_read_link()
725 	/* select fiber mode, enable 1000 base-X registers */  in bcm5461_enable_fiber()
737 	phy->autoneg = autoneg;  in bcm5461_enable_fiber()
746 	phy->autoneg = 1;  in marvell_setup_aneg()
747 	phy->speed = SPEED_10;  in marvell_setup_aneg()
748 	phy->duplex = DUPLEX_HALF;  in marvell_setup_aneg()
749 	phy->pause = 0;  in marvell_setup_aneg()
750 	phy->advertising = advertise;  in marvell_setup_aneg()
797 	phy->autoneg = 0;  in marvell_setup_forced()
798 	phy->speed = speed;  in marvell_setup_forced()
799 	phy->duplex = fd;  in marvell_setup_forced()
800 	phy->pause = 0;  in marvell_setup_forced()
847 	if (phy->autoneg) {  in marvell_read_link()
850 			return -EAGAIN;  in marvell_read_link()
852 			phy->speed = SPEED_1000;  in marvell_read_link()
854 			phy->speed = SPEED_100;  in marvell_read_link()
856 			phy->speed = SPEED_10;  in marvell_read_link()
858 			phy->duplex = DUPLEX_FULL;  in marvell_read_link()
860 			phy->duplex = DUPLEX_HALF;  in marvell_read_link()
863 		phy->pause = (status & pmask) == pmask;  in marvell_read_link()
865 	/* On non-aneg, we assume what we put in BMCR is the speed,  in marvell_read_link()
866 	 * though magic-aneg shouldn't prevent this case from occurring  in marvell_read_link()
878 /* On gigabit capable PHYs, we advertise Pause support but not asym pause
880  * it neither. --BenH.
1020 /* Broadcom BCM 5421 built-in K2 */
1033 	.name		= "BCM5421-K2",
1058 /* Broadcom BCM 5462 built-in Vesta */
1071 	.name		= "BCM5462-Vesta",
1168 	 * may re-probe the PHY regulary  in sungem_phy_probe()
1170 	phy->mii_id = mii_id;  in sungem_phy_probe()
1182 		if ((id & def->phy_id_mask) == def->phy_id)  in sungem_phy_probe()
1188 	phy->def = def;  in sungem_phy_probe()
1192 	phy->speed = 0;  in sungem_phy_probe()
1193 	phy->duplex = 0;  in sungem_phy_probe()
1194 	phy->pause = 0;  in sungem_phy_probe()
1195 	phy->advertising = 0;  in sungem_phy_probe()
1196 	return -ENODEV;  in sungem_phy_probe()