xref: /freebsd/sys/dev/mii/e1000phy.c (revision f2033ea22baa98fcc25fac8acda3482b2ab935bf)
1098ca2bdSWarner Losh /*-
22a4339f7SMatt Jacob  * Principal Author: Parag Patel
32a4339f7SMatt Jacob  * Copyright (c) 2001
42a4339f7SMatt Jacob  * All rights reserved.
52a4339f7SMatt Jacob  *
62a4339f7SMatt Jacob  * Redistribution and use in source and binary forms, with or without
72a4339f7SMatt Jacob  * modification, are permitted provided that the following conditions
82a4339f7SMatt Jacob  * are met:
92a4339f7SMatt Jacob  * 1. Redistributions of source code must retain the above copyright
102a4339f7SMatt Jacob  *    notice unmodified, this list of conditions, and the following
112a4339f7SMatt Jacob  *    disclaimer.
122a4339f7SMatt Jacob  * 2. Redistributions in binary form must reproduce the above copyright
132a4339f7SMatt Jacob  *    notice, this list of conditions and the following disclaimer in the
142a4339f7SMatt Jacob  *    documentation and/or other materials provided with the distribution.
152a4339f7SMatt Jacob  *
162a4339f7SMatt Jacob  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
172a4339f7SMatt Jacob  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
182a4339f7SMatt Jacob  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
192a4339f7SMatt Jacob  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
202a4339f7SMatt Jacob  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
212a4339f7SMatt Jacob  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
222a4339f7SMatt Jacob  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
232a4339f7SMatt Jacob  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
242a4339f7SMatt Jacob  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
252a4339f7SMatt Jacob  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
262a4339f7SMatt Jacob  * SUCH DAMAGE.
272a4339f7SMatt Jacob  *
286882cb0cSMarius Strobl  * Additional Copyright (c) 2001 by Traakan Software under same licence.
292a4339f7SMatt Jacob  * Secondary Author: Matthew Jacob
302a4339f7SMatt Jacob  */
312a4339f7SMatt Jacob 
32c4386506SMarius Strobl #include <sys/cdefs.h>
33c4386506SMarius Strobl __FBSDID("$FreeBSD$");
34c4386506SMarius Strobl 
352a4339f7SMatt Jacob /*
362a4339f7SMatt Jacob  * driver for the Marvell 88E1000 series external 1000/100/10-BT PHY.
372a4339f7SMatt Jacob  */
382a4339f7SMatt Jacob 
3959ce78feSWilko Bulte /*
4059ce78feSWilko Bulte  * Support added for the Marvell 88E1011 (Alaska) 1000/100/10baseTX and
4159ce78feSWilko Bulte  * 1000baseSX PHY.
4259ce78feSWilko Bulte  * Nathan Binkert <nate@openbsd.org>
4359ce78feSWilko Bulte  * Jung-uk Kim <jkim@niksun.com>
4459ce78feSWilko Bulte  */
4559ce78feSWilko Bulte 
462a4339f7SMatt Jacob #include <sys/param.h>
472a4339f7SMatt Jacob #include <sys/systm.h>
482a4339f7SMatt Jacob #include <sys/kernel.h>
4941ee9f1cSPoul-Henning Kamp #include <sys/module.h>
502a4339f7SMatt Jacob #include <sys/socket.h>
512a4339f7SMatt Jacob #include <sys/bus.h>
522a4339f7SMatt Jacob 
532a4339f7SMatt Jacob 
542a4339f7SMatt Jacob #include <net/if.h>
552a4339f7SMatt Jacob #include <net/if_media.h>
562a4339f7SMatt Jacob 
572a4339f7SMatt Jacob #include <dev/mii/mii.h>
582a4339f7SMatt Jacob #include <dev/mii/miivar.h>
592d3ce713SDavid E. O'Brien #include "miidevs.h"
602a4339f7SMatt Jacob 
612a4339f7SMatt Jacob #include <dev/mii/e1000phyreg.h>
622a4339f7SMatt Jacob 
632a4339f7SMatt Jacob #include "miibus_if.h"
642a4339f7SMatt Jacob 
652a4339f7SMatt Jacob static int	e1000phy_probe(device_t);
662a4339f7SMatt Jacob static int	e1000phy_attach(device_t);
672a4339f7SMatt Jacob 
682a4339f7SMatt Jacob static device_method_t e1000phy_methods[] = {
692a4339f7SMatt Jacob 	/* device interface */
702a4339f7SMatt Jacob 	DEVMETHOD(device_probe,		e1000phy_probe),
712a4339f7SMatt Jacob 	DEVMETHOD(device_attach,	e1000phy_attach),
72279fe8d1SPoul-Henning Kamp 	DEVMETHOD(device_detach,	mii_phy_detach),
732a4339f7SMatt Jacob 	DEVMETHOD(device_shutdown,	bus_generic_shutdown),
742a4339f7SMatt Jacob 	{ 0, 0 }
752a4339f7SMatt Jacob };
762a4339f7SMatt Jacob 
772a4339f7SMatt Jacob static devclass_t e1000phy_devclass;
782a4339f7SMatt Jacob static driver_t e1000phy_driver = {
79bbc9416dSPyun YongHyeon 	"e1000phy",
80bbc9416dSPyun YongHyeon 	e1000phy_methods,
813fcb7a53SMarius Strobl 	sizeof(struct mii_softc)
822a4339f7SMatt Jacob };
83bbc9416dSPyun YongHyeon 
842a4339f7SMatt Jacob DRIVER_MODULE(e1000phy, miibus, e1000phy_driver, e1000phy_devclass, 0, 0);
852a4339f7SMatt Jacob 
86d9730b8bSJonathan Lemon static int	e1000phy_service(struct mii_softc *, struct mii_data *, int);
87d9730b8bSJonathan Lemon static void	e1000phy_status(struct mii_softc *);
882a4339f7SMatt Jacob static void	e1000phy_reset(struct mii_softc *);
893fcb7a53SMarius Strobl static int	e1000phy_mii_phy_auto(struct mii_softc *, int);
902a4339f7SMatt Jacob 
91bbc9416dSPyun YongHyeon static const struct mii_phydesc e1000phys[] = {
92bbc9416dSPyun YongHyeon 	MII_PHY_DESC(MARVELL, E1000),
93bbc9416dSPyun YongHyeon 	MII_PHY_DESC(MARVELL, E1011),
94bbc9416dSPyun YongHyeon 	MII_PHY_DESC(MARVELL, E1000_3),
95bbc9416dSPyun YongHyeon 	MII_PHY_DESC(MARVELL, E1000_5),
96bbc9416dSPyun YongHyeon 	MII_PHY_DESC(MARVELL, E1111),
97bbc9416dSPyun YongHyeon 	MII_PHY_DESC(xxMARVELL, E1000),
98bbc9416dSPyun YongHyeon 	MII_PHY_DESC(xxMARVELL, E1011),
99bbc9416dSPyun YongHyeon 	MII_PHY_DESC(xxMARVELL, E1000_3),
1003fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1000S),
101bbc9416dSPyun YongHyeon 	MII_PHY_DESC(xxMARVELL, E1000_5),
1023fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1101),
1033fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E3082),
1043fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1112),
1053fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1149),
106bbc9416dSPyun YongHyeon 	MII_PHY_DESC(xxMARVELL, E1111),
1073fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1116),
1083fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1116R),
1093fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E1118),
110*f2033ea2SWarner Losh 	MII_PHY_DESC(xxMARVELL, E1149R),
1113fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, E3016),
1123fcb7a53SMarius Strobl 	MII_PHY_DESC(xxMARVELL, PHYG65G),
113bbc9416dSPyun YongHyeon 	MII_PHY_END
114bbc9416dSPyun YongHyeon };
1152a4339f7SMatt Jacob 
1163fcb7a53SMarius Strobl static const struct mii_phy_funcs e1000phy_funcs = {
1173fcb7a53SMarius Strobl 	e1000phy_service,
1183fcb7a53SMarius Strobl 	e1000phy_status,
1193fcb7a53SMarius Strobl 	e1000phy_reset
1203fcb7a53SMarius Strobl };
1213fcb7a53SMarius Strobl 
1222a4339f7SMatt Jacob static int
1232a4339f7SMatt Jacob e1000phy_probe(device_t	dev)
1242a4339f7SMatt Jacob {
1252a4339f7SMatt Jacob 
126bbc9416dSPyun YongHyeon 	return (mii_phy_dev_probe(dev, e1000phys, BUS_PROBE_DEFAULT));
1272a4339f7SMatt Jacob }
1282a4339f7SMatt Jacob 
1292a4339f7SMatt Jacob static int
1302a4339f7SMatt Jacob e1000phy_attach(device_t dev)
1312a4339f7SMatt Jacob {
1322a4339f7SMatt Jacob 	struct mii_softc *sc;
133fcb62a8bSPyun YongHyeon 	struct ifnet *ifp;
1342a4339f7SMatt Jacob 
1353fcb7a53SMarius Strobl 	sc = device_get_softc(dev);
1362a4339f7SMatt Jacob 
1373fcb7a53SMarius Strobl 	mii_phy_dev_attach(dev, MIIF_NOMANPAUSE, &e1000phy_funcs, 0);
138bbc9416dSPyun YongHyeon 
139fcb62a8bSPyun YongHyeon 	ifp = sc->mii_pdata->mii_ifp;
1408e5d93dbSMarius Strobl 	if (strcmp(ifp->if_dname, "msk") == 0 &&
1418e5d93dbSMarius Strobl 	    (sc->mii_flags & MIIF_MACPRIV0) != 0)
1428e5d93dbSMarius Strobl 		sc->mii_flags |= MIIF_PHYPRIV0;
143fcb62a8bSPyun YongHyeon 
1443fcb7a53SMarius Strobl 	switch (sc->mii_mpd_model) {
1453fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E1011:
1463fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E1112:
147bbc9416dSPyun YongHyeon 		if (PHY_READ(sc, E1000_ESSR) & E1000_ESSR_FIBER_LINK)
148bbc9416dSPyun YongHyeon 			sc->mii_flags |= MIIF_HAVEFIBER;
149bbc9416dSPyun YongHyeon 		break;
1503fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E1149:
151*f2033ea2SWarner Losh 	case MII_MODEL_xxMARVELL_E1149R:
152b435227bSPyun YongHyeon 		/*
153b435227bSPyun YongHyeon 		 * Some 88E1149 PHY's page select is initialized to
154b435227bSPyun YongHyeon 		 * point to other bank instead of copper/fiber bank
155b435227bSPyun YongHyeon 		 * which in turn resulted in wrong registers were
156b435227bSPyun YongHyeon 		 * accessed during PHY operation. It is believed that
157b435227bSPyun YongHyeon 		 * page 0 should be used for copper PHY so reinitialize
158b435227bSPyun YongHyeon 		 * E1000_EADR to select default copper PHY. If parent
159b435227bSPyun YongHyeon 		 * device know the type of PHY(either copper or fiber),
160b435227bSPyun YongHyeon 		 * that information should be used to select default
161b435227bSPyun YongHyeon 		 * type of PHY.
162b435227bSPyun YongHyeon 		 */
163b435227bSPyun YongHyeon 		PHY_WRITE(sc, E1000_EADR, 0);
164b435227bSPyun YongHyeon 		break;
165bbc9416dSPyun YongHyeon 	}
166bbc9416dSPyun YongHyeon 
1673fcb7a53SMarius Strobl 	PHY_RESET(sc);
1682a4339f7SMatt Jacob 
1693fcb7a53SMarius Strobl 	sc->mii_capabilities = PHY_READ(sc, MII_BMSR) & sc->mii_capmask;
170f98d7df2SPyun YongHyeon 	if (sc->mii_capabilities & BMSR_EXTSTAT)
171f98d7df2SPyun YongHyeon 		sc->mii_extcapabilities = PHY_READ(sc, MII_EXTSR);
172105cb0c6SJonathan Lemon 	device_printf(dev, " ");
173f98d7df2SPyun YongHyeon 	mii_phy_add_media(sc);
174f98d7df2SPyun YongHyeon 	printf("\n");
1752a4339f7SMatt Jacob 
1762a4339f7SMatt Jacob 	MIIBUS_MEDIAINIT(sc->mii_dev);
1772a4339f7SMatt Jacob 	return (0);
1782a4339f7SMatt Jacob }
1792a4339f7SMatt Jacob 
1802a4339f7SMatt Jacob static void
1812a4339f7SMatt Jacob e1000phy_reset(struct mii_softc *sc)
1822a4339f7SMatt Jacob {
18310bace3eSPyun YongHyeon 	uint16_t reg, page;
1842a4339f7SMatt Jacob 
1852a4339f7SMatt Jacob 	reg = PHY_READ(sc, E1000_SCR);
186bbc9416dSPyun YongHyeon 	if ((sc->mii_flags & MIIF_HAVEFIBER) != 0) {
1872a4339f7SMatt Jacob 		reg &= ~E1000_SCR_AUTO_X_MODE;
1882a4339f7SMatt Jacob 		PHY_WRITE(sc, E1000_SCR, reg);
1893fcb7a53SMarius Strobl 		if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1112) {
190bbc9416dSPyun YongHyeon 			/* Select 1000BASE-X only mode. */
19110bace3eSPyun YongHyeon 			page = PHY_READ(sc, E1000_EADR);
192bbc9416dSPyun YongHyeon 			PHY_WRITE(sc, E1000_EADR, 2);
193bbc9416dSPyun YongHyeon 			reg = PHY_READ(sc, E1000_SCR);
194bbc9416dSPyun YongHyeon 			reg &= ~E1000_SCR_MODE_MASK;
195bbc9416dSPyun YongHyeon 			reg |= E1000_SCR_MODE_1000BX;
196bbc9416dSPyun YongHyeon 			PHY_WRITE(sc, E1000_SCR, reg);
197f5a18221SMarius Strobl 			if ((sc->mii_flags & MIIF_PHYPRIV0) != 0) {
198fcb62a8bSPyun YongHyeon 				/* Set SIGDET polarity low for SFP module. */
199fcb62a8bSPyun YongHyeon 				PHY_WRITE(sc, E1000_EADR, 1);
200fcb62a8bSPyun YongHyeon 				reg = PHY_READ(sc, E1000_SCR);
201fcb62a8bSPyun YongHyeon 				reg |= E1000_SCR_FIB_SIGDET_POLARITY;
202fcb62a8bSPyun YongHyeon 				PHY_WRITE(sc, E1000_SCR, reg);
203fcb62a8bSPyun YongHyeon 			}
20410bace3eSPyun YongHyeon 			PHY_WRITE(sc, E1000_EADR, page);
205bbc9416dSPyun YongHyeon 		}
206bbc9416dSPyun YongHyeon 	} else {
2073fcb7a53SMarius Strobl 		switch (sc->mii_mpd_model) {
2083fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E1111:
2093fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E1112:
2103fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E1116:
2113fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E1118:
2123fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E1149:
213*f2033ea2SWarner Losh 		case MII_MODEL_xxMARVELL_E1149R:
2143fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_PHYG65G:
215bbc9416dSPyun YongHyeon 			/* Disable energy detect mode. */
216bbc9416dSPyun YongHyeon 			reg &= ~E1000_SCR_EN_DETECT_MASK;
217bbc9416dSPyun YongHyeon 			reg |= E1000_SCR_AUTO_X_MODE;
2183fcb7a53SMarius Strobl 			if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116)
2196fd47025SPyun YongHyeon 				reg &= ~E1000_SCR_POWER_DOWN;
220745ef56aSPyun YongHyeon 			reg |= E1000_SCR_ASSERT_CRS_ON_TX;
221bbc9416dSPyun YongHyeon 			break;
2223fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E3082:
223bbc9416dSPyun YongHyeon 			reg |= (E1000_SCR_AUTO_X_MODE >> 1);
224745ef56aSPyun YongHyeon 			reg |= E1000_SCR_ASSERT_CRS_ON_TX;
225745ef56aSPyun YongHyeon 			break;
2263fcb7a53SMarius Strobl 		case MII_MODEL_xxMARVELL_E3016:
227745ef56aSPyun YongHyeon 			reg |= E1000_SCR_AUTO_MDIX;
228745ef56aSPyun YongHyeon 			reg &= ~(E1000_SCR_EN_DETECT |
229745ef56aSPyun YongHyeon 			    E1000_SCR_SCRAMBLER_DISABLE);
230745ef56aSPyun YongHyeon 			reg |= E1000_SCR_LPNP;
231745ef56aSPyun YongHyeon 			/* XXX Enable class A driver for Yukon FE+ A0. */
232745ef56aSPyun YongHyeon 			PHY_WRITE(sc, 0x1C, PHY_READ(sc, 0x1C) | 0x0001);
233bbc9416dSPyun YongHyeon 			break;
234bbc9416dSPyun YongHyeon 		default:
235bbc9416dSPyun YongHyeon 			reg &= ~E1000_SCR_AUTO_X_MODE;
236745ef56aSPyun YongHyeon 			reg |= E1000_SCR_ASSERT_CRS_ON_TX;
2372a4339f7SMatt Jacob 			break;
2382a4339f7SMatt Jacob 		}
2393fcb7a53SMarius Strobl 		if (sc->mii_mpd_model != MII_MODEL_xxMARVELL_E3016) {
240bbc9416dSPyun YongHyeon 			/* Auto correction for reversed cable polarity. */
241bbc9416dSPyun YongHyeon 			reg &= ~E1000_SCR_POLARITY_REVERSAL;
242745ef56aSPyun YongHyeon 		}
2432a4339f7SMatt Jacob 		PHY_WRITE(sc, E1000_SCR, reg);
2446fd47025SPyun YongHyeon 
2453fcb7a53SMarius Strobl 		if (sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1116 ||
246*f2033ea2SWarner Losh 		    sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1149 ||
247*f2033ea2SWarner Losh 		    sc->mii_mpd_model == MII_MODEL_xxMARVELL_E1149R) {
2486fd47025SPyun YongHyeon 			PHY_WRITE(sc, E1000_EADR, 2);
2496fd47025SPyun YongHyeon 			reg = PHY_READ(sc, E1000_SCR);
2506fd47025SPyun YongHyeon 			reg |= E1000_SCR_RGMII_POWER_UP;
2516fd47025SPyun YongHyeon 			PHY_WRITE(sc, E1000_SCR, reg);
25244d90753SPyun YongHyeon 			PHY_WRITE(sc, E1000_EADR, 0);
2536fd47025SPyun YongHyeon 		}
254bbc9416dSPyun YongHyeon 	}
2552a4339f7SMatt Jacob 
2563fcb7a53SMarius Strobl 	switch (sc->mii_mpd_model) {
2573fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E3082:
2583fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E1112:
2593fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E1118:
260b95c79e0SPyun YongHyeon 		break;
2613fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E1116:
262b95c79e0SPyun YongHyeon 		page = PHY_READ(sc, E1000_EADR);
263b95c79e0SPyun YongHyeon 		/* Select page 3, LED control register. */
264b95c79e0SPyun YongHyeon 		PHY_WRITE(sc, E1000_EADR, 3);
265b95c79e0SPyun YongHyeon 		PHY_WRITE(sc, E1000_SCR,
266b95c79e0SPyun YongHyeon 		    E1000_SCR_LED_LOS(1) |	/* Link/Act */
267b95c79e0SPyun YongHyeon 		    E1000_SCR_LED_INIT(8) |	/* 10Mbps */
268b95c79e0SPyun YongHyeon 		    E1000_SCR_LED_STAT1(7) |	/* 100Mbps */
269b95c79e0SPyun YongHyeon 		    E1000_SCR_LED_STAT0(7));	/* 1000Mbps */
270b95c79e0SPyun YongHyeon 		/* Set blink rate. */
271b95c79e0SPyun YongHyeon 		PHY_WRITE(sc, E1000_IER, E1000_PULSE_DUR(E1000_PULSE_170MS) |
272b95c79e0SPyun YongHyeon 		    E1000_BLINK_RATE(E1000_BLINK_84MS));
273b95c79e0SPyun YongHyeon 		PHY_WRITE(sc, E1000_EADR, page);
274bbc9416dSPyun YongHyeon 		break;
2753fcb7a53SMarius Strobl 	case MII_MODEL_xxMARVELL_E3016:
276745ef56aSPyun YongHyeon 		/* LED2 -> ACT, LED1 -> LINK, LED0 -> SPEED. */
277745ef56aSPyun YongHyeon 		PHY_WRITE(sc, 0x16, 0x0B << 8 | 0x05 << 4 | 0x04);
278745ef56aSPyun YongHyeon 		/* Integrated register calibration workaround. */
279745ef56aSPyun YongHyeon 		PHY_WRITE(sc, 0x1D, 17);
280745ef56aSPyun YongHyeon 		PHY_WRITE(sc, 0x1E, 0x3F60);
281745ef56aSPyun YongHyeon 		break;
282bbc9416dSPyun YongHyeon 	default:
283bbc9416dSPyun YongHyeon 		/* Force TX_CLK to 25MHz clock. */
2842a4339f7SMatt Jacob 		reg = PHY_READ(sc, E1000_ESCR);
2852a4339f7SMatt Jacob 		reg |= E1000_ESCR_TX_CLK_25;
2862a4339f7SMatt Jacob 		PHY_WRITE(sc, E1000_ESCR, reg);
287bbc9416dSPyun YongHyeon 		break;
288bbc9416dSPyun YongHyeon 	}
2892a4339f7SMatt Jacob 
290bbc9416dSPyun YongHyeon 	/* Reset the PHY so all changes take effect. */
291bbc9416dSPyun YongHyeon 	reg = PHY_READ(sc, E1000_CR);
292bbc9416dSPyun YongHyeon 	reg |= E1000_CR_RESET;
293bbc9416dSPyun YongHyeon 	PHY_WRITE(sc, E1000_CR, reg);
2942a4339f7SMatt Jacob }
2952a4339f7SMatt Jacob 
296d9730b8bSJonathan Lemon static int
2972a4339f7SMatt Jacob e1000phy_service(struct mii_softc *sc, struct mii_data *mii, int cmd)
2982a4339f7SMatt Jacob {
2992a4339f7SMatt Jacob 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
300bbc9416dSPyun YongHyeon 	uint16_t speed, gig;
3012a4339f7SMatt Jacob 	int reg;
3022a4339f7SMatt Jacob 
3032a4339f7SMatt Jacob 	switch (cmd) {
3042a4339f7SMatt Jacob 	case MII_POLLSTAT:
3052a4339f7SMatt Jacob 		break;
3062a4339f7SMatt Jacob 
3072a4339f7SMatt Jacob 	case MII_MEDIACHG:
3082a4339f7SMatt Jacob 		/*
3092a4339f7SMatt Jacob 		 * If the interface is not up, don't do anything.
3102a4339f7SMatt Jacob 		 */
311d2ca0c42SPyun YongHyeon 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
3122a4339f7SMatt Jacob 			break;
3132a4339f7SMatt Jacob 
314bbc9416dSPyun YongHyeon 		if (IFM_SUBTYPE(ife->ifm_media) == IFM_AUTO) {
3153fcb7a53SMarius Strobl 			e1000phy_mii_phy_auto(sc, ife->ifm_media);
316bbc9416dSPyun YongHyeon 			break;
317bbc9416dSPyun YongHyeon 		}
318bbc9416dSPyun YongHyeon 
319bbc9416dSPyun YongHyeon 		speed = 0;
3202a4339f7SMatt Jacob 		switch (IFM_SUBTYPE(ife->ifm_media)) {
321b418ad5cSPoul-Henning Kamp 		case IFM_1000_T:
322f98d7df2SPyun YongHyeon 			if ((sc->mii_extcapabilities &
323f98d7df2SPyun YongHyeon 			    (EXTSR_1000TFDX | EXTSR_1000THDX)) == 0)
324bbc9416dSPyun YongHyeon 				return (EINVAL);
325bbc9416dSPyun YongHyeon 			speed = E1000_CR_SPEED_1000;
3262a4339f7SMatt Jacob 			break;
32759ce78feSWilko Bulte 		case IFM_1000_SX:
328f98d7df2SPyun YongHyeon 			if ((sc->mii_extcapabilities &
329f98d7df2SPyun YongHyeon 			    (EXTSR_1000XFDX | EXTSR_1000XHDX)) == 0)
330bbc9416dSPyun YongHyeon 				return (EINVAL);
331bbc9416dSPyun YongHyeon 			speed = E1000_CR_SPEED_1000;
33259ce78feSWilko Bulte 			break;
3332a4339f7SMatt Jacob 		case IFM_100_TX:
334bbc9416dSPyun YongHyeon 			speed = E1000_CR_SPEED_100;
3352a4339f7SMatt Jacob 			break;
3362a4339f7SMatt Jacob 		case IFM_10_T:
337bbc9416dSPyun YongHyeon 			speed = E1000_CR_SPEED_10;
3382a4339f7SMatt Jacob 			break;
339bbc9416dSPyun YongHyeon 		case IFM_NONE:
340bbc9416dSPyun YongHyeon 			reg = PHY_READ(sc, E1000_CR);
341bbc9416dSPyun YongHyeon 			PHY_WRITE(sc, E1000_CR,
342bbc9416dSPyun YongHyeon 			    reg | E1000_CR_ISOLATE | E1000_CR_POWER_DOWN);
343bbc9416dSPyun YongHyeon 			goto done;
3442a4339f7SMatt Jacob 		default:
3452a4339f7SMatt Jacob 			return (EINVAL);
3462a4339f7SMatt Jacob 		}
3472a4339f7SMatt Jacob 
34834259ba3SMarius Strobl 		if ((ife->ifm_media & IFM_FDX) != 0) {
349bbc9416dSPyun YongHyeon 			speed |= E1000_CR_FULL_DUPLEX;
350bbc9416dSPyun YongHyeon 			gig = E1000_1GCR_1000T_FD;
351bbc9416dSPyun YongHyeon 		} else
352bbc9416dSPyun YongHyeon 			gig = E1000_1GCR_1000T;
3532a4339f7SMatt Jacob 
354bbc9416dSPyun YongHyeon 		reg = PHY_READ(sc, E1000_CR);
355bbc9416dSPyun YongHyeon 		reg &= ~E1000_CR_AUTO_NEG_ENABLE;
356bbc9416dSPyun YongHyeon 		PHY_WRITE(sc, E1000_CR, reg | E1000_CR_RESET);
357bbc9416dSPyun YongHyeon 
358efd4fc3fSMarius Strobl 		if (IFM_SUBTYPE(ife->ifm_media) == IFM_1000_T) {
359efd4fc3fSMarius Strobl 			gig |= E1000_1GCR_MS_ENABLE;
360efd4fc3fSMarius Strobl 			if ((ife->ifm_media & IFM_ETH_MASTER) != 0)
361efd4fc3fSMarius Strobl 				gig |= E1000_1GCR_MS_VALUE;
362efd4fc3fSMarius Strobl 		} else if ((sc->mii_extcapabilities &
363f98d7df2SPyun YongHyeon 		    (EXTSR_1000TFDX | EXTSR_1000THDX)) != 0)
36434259ba3SMarius Strobl 			gig = 0;
36534259ba3SMarius Strobl 		PHY_WRITE(sc, E1000_1GCR, gig);
366bbc9416dSPyun YongHyeon 		PHY_WRITE(sc, E1000_AR, E1000_AR_SELECTOR_FIELD);
367bbc9416dSPyun YongHyeon 		PHY_WRITE(sc, E1000_CR, speed | E1000_CR_RESET);
368bbc9416dSPyun YongHyeon done:
369bbc9416dSPyun YongHyeon 		break;
3702a4339f7SMatt Jacob 	case MII_TICK:
3712a4339f7SMatt Jacob 		/*
3722a4339f7SMatt Jacob 		 * Is the interface even up?
3732a4339f7SMatt Jacob 		 */
374d9730b8bSJonathan Lemon 		if ((mii->mii_ifp->if_flags & IFF_UP) == 0)
3752a4339f7SMatt Jacob 			return (0);
376d9730b8bSJonathan Lemon 
377d9730b8bSJonathan Lemon 		/*
378d9730b8bSJonathan Lemon 		 * Only used for autonegotiation.
379d9730b8bSJonathan Lemon 		 */
3805f36bdfcSPyun YongHyeon 		if (IFM_SUBTYPE(ife->ifm_media) != IFM_AUTO) {
3815f36bdfcSPyun YongHyeon 			sc->mii_ticks = 0;
382d9730b8bSJonathan Lemon 			break;
3835f36bdfcSPyun YongHyeon 		}
384d9730b8bSJonathan Lemon 
385d9730b8bSJonathan Lemon 		/*
386d9730b8bSJonathan Lemon 		 * check for link.
387d9730b8bSJonathan Lemon 		 * Read the status register twice; BMSR_LINK is latch-low.
388d9730b8bSJonathan Lemon 		 */
389d9730b8bSJonathan Lemon 		reg = PHY_READ(sc, MII_BMSR) | PHY_READ(sc, MII_BMSR);
390bbc9416dSPyun YongHyeon 		if (reg & BMSR_LINK) {
391bbc9416dSPyun YongHyeon 			sc->mii_ticks = 0;
392d9730b8bSJonathan Lemon 			break;
393bbc9416dSPyun YongHyeon 		}
3942a4339f7SMatt Jacob 
395bbc9416dSPyun YongHyeon 		/* Announce link loss right after it happens. */
3965f36bdfcSPyun YongHyeon 		if (sc->mii_ticks++ == 0)
3975f36bdfcSPyun YongHyeon 			break;
398bbc9416dSPyun YongHyeon 		if (sc->mii_ticks <= sc->mii_anegticks)
3995536a3c5SPyun YongHyeon 			break;
400d9730b8bSJonathan Lemon 
4012a4339f7SMatt Jacob 		sc->mii_ticks = 0;
4023fcb7a53SMarius Strobl 		PHY_RESET(sc);
4033fcb7a53SMarius Strobl 		e1000phy_mii_phy_auto(sc, ife->ifm_media);
404bbc9416dSPyun YongHyeon 		break;
4052a4339f7SMatt Jacob 	}
4062a4339f7SMatt Jacob 
4072a4339f7SMatt Jacob 	/* Update the media status. */
4083fcb7a53SMarius Strobl 	PHY_STATUS(sc);
4092a4339f7SMatt Jacob 
4102a4339f7SMatt Jacob 	/* Callback if something changed. */
411d9730b8bSJonathan Lemon 	mii_phy_update(sc, cmd);
4122a4339f7SMatt Jacob 	return (0);
4132a4339f7SMatt Jacob }
4142a4339f7SMatt Jacob 
415d9730b8bSJonathan Lemon static void
4162a4339f7SMatt Jacob e1000phy_status(struct mii_softc *sc)
4172a4339f7SMatt Jacob {
4182a4339f7SMatt Jacob 	struct mii_data *mii = sc->mii_pdata;
419efd4fc3fSMarius Strobl 	int bmcr, bmsr, ssr;
4202a4339f7SMatt Jacob 
4212a4339f7SMatt Jacob 	mii->mii_media_status = IFM_AVALID;
4222a4339f7SMatt Jacob 	mii->mii_media_active = IFM_ETHER;
4232a4339f7SMatt Jacob 
4242a4339f7SMatt Jacob 	bmsr = PHY_READ(sc, E1000_SR) | PHY_READ(sc, E1000_SR);
4252a4339f7SMatt Jacob 	bmcr = PHY_READ(sc, E1000_CR);
4262a4339f7SMatt Jacob 	ssr = PHY_READ(sc, E1000_SSR);
4272a4339f7SMatt Jacob 
4282a4339f7SMatt Jacob 	if (bmsr & E1000_SR_LINK_STATUS)
4292a4339f7SMatt Jacob 		mii->mii_media_status |= IFM_ACTIVE;
4302a4339f7SMatt Jacob 
4312a4339f7SMatt Jacob 	if (bmcr & E1000_CR_LOOPBACK)
4322a4339f7SMatt Jacob 		mii->mii_media_active |= IFM_LOOP;
4332a4339f7SMatt Jacob 
434c404d8f5SPyun YongHyeon 	if ((bmcr & E1000_CR_AUTO_NEG_ENABLE) != 0 &&
435c404d8f5SPyun YongHyeon 	    (ssr & E1000_SSR_SPD_DPLX_RESOLVED) == 0) {
4362a4339f7SMatt Jacob 		/* Erg, still trying, I guess... */
4372a4339f7SMatt Jacob 		mii->mii_media_active |= IFM_NONE;
4382a4339f7SMatt Jacob 		return;
4392a4339f7SMatt Jacob 	}
4402a4339f7SMatt Jacob 
44159ce78feSWilko Bulte 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
442c404d8f5SPyun YongHyeon 		switch (ssr & E1000_SSR_SPEED) {
443c404d8f5SPyun YongHyeon 		case E1000_SSR_1000MBS:
444b418ad5cSPoul-Henning Kamp 			mii->mii_media_active |= IFM_1000_T;
445c404d8f5SPyun YongHyeon 			break;
446c404d8f5SPyun YongHyeon 		case E1000_SSR_100MBS:
4472a4339f7SMatt Jacob 			mii->mii_media_active |= IFM_100_TX;
448c404d8f5SPyun YongHyeon 			break;
449c404d8f5SPyun YongHyeon 		case E1000_SSR_10MBS:
4502a4339f7SMatt Jacob 			mii->mii_media_active |= IFM_10_T;
451c404d8f5SPyun YongHyeon 			break;
452c404d8f5SPyun YongHyeon 		default:
453c404d8f5SPyun YongHyeon 			mii->mii_media_active |= IFM_NONE;
454c404d8f5SPyun YongHyeon 			return;
455c404d8f5SPyun YongHyeon 		}
45659ce78feSWilko Bulte 	} else {
4571a01dae1SPyun YongHyeon 		/*
4581a01dae1SPyun YongHyeon 		 * Some fiber PHY(88E1112) does not seem to set resolved
4591a01dae1SPyun YongHyeon 		 * speed so always assume we've got IFM_1000_SX.
4601a01dae1SPyun YongHyeon 		 */
46159ce78feSWilko Bulte 		mii->mii_media_active |= IFM_1000_SX;
46259ce78feSWilko Bulte 	}
4632a4339f7SMatt Jacob 
464efd4fc3fSMarius Strobl 	if (ssr & E1000_SSR_DUPLEX) {
4652a4339f7SMatt Jacob 		mii->mii_media_active |= IFM_FDX;
466efd4fc3fSMarius Strobl 		if ((sc->mii_flags & MIIF_HAVEFIBER) == 0)
467efd4fc3fSMarius Strobl 			mii->mii_media_active |= mii_phy_flowstatus(sc);
468efd4fc3fSMarius Strobl 	} else
4692a4339f7SMatt Jacob 		mii->mii_media_active |= IFM_HDX;
4702a4339f7SMatt Jacob 
471efd4fc3fSMarius Strobl 	if (IFM_SUBTYPE(mii->mii_media_active) == IFM_1000_T) {
472efd4fc3fSMarius Strobl 		if (((PHY_READ(sc, E1000_1GSR) | PHY_READ(sc, E1000_1GSR)) &
473efd4fc3fSMarius Strobl 		    E1000_1GSR_MS_CONFIG_RES) != 0)
474efd4fc3fSMarius Strobl 			mii->mii_media_active |= IFM_ETH_MASTER;
475bbc9416dSPyun YongHyeon 	}
47659ce78feSWilko Bulte }
4772a4339f7SMatt Jacob 
4782a4339f7SMatt Jacob static int
4793fcb7a53SMarius Strobl e1000phy_mii_phy_auto(struct mii_softc *sc, int media)
4802a4339f7SMatt Jacob {
4812c56cee9SPyun YongHyeon 	uint16_t reg;
4822a4339f7SMatt Jacob 
4832c56cee9SPyun YongHyeon 	if ((sc->mii_flags & MIIF_HAVEFIBER) == 0) {
4842c56cee9SPyun YongHyeon 		reg = PHY_READ(sc, E1000_AR);
48512d314a6SMarius Strobl 		reg &= ~(E1000_AR_PAUSE | E1000_AR_ASM_DIR);
4862c56cee9SPyun YongHyeon 		reg |= E1000_AR_10T | E1000_AR_10T_FD |
487efd4fc3fSMarius Strobl 		    E1000_AR_100TX | E1000_AR_100TX_FD;
488efd4fc3fSMarius Strobl 		if ((media & IFM_FLOW) != 0 ||
489efd4fc3fSMarius Strobl 		    (sc->mii_flags & MIIF_FORCEPAUSE) != 0)
490efd4fc3fSMarius Strobl 			reg |= E1000_AR_PAUSE | E1000_AR_ASM_DIR;
4912c56cee9SPyun YongHyeon 		PHY_WRITE(sc, E1000_AR, reg | E1000_AR_SELECTOR_FIELD);
4922c56cee9SPyun YongHyeon 	} else
493efd4fc3fSMarius Strobl 		PHY_WRITE(sc, E1000_AR, E1000_FA_1000X_FD | E1000_FA_1000X);
494f98d7df2SPyun YongHyeon 	if ((sc->mii_extcapabilities & (EXTSR_1000TFDX | EXTSR_1000THDX)) != 0)
495bbc9416dSPyun YongHyeon 		PHY_WRITE(sc, E1000_1GCR,
496bbc9416dSPyun YongHyeon 		    E1000_1GCR_1000T_FD | E1000_1GCR_1000T);
497bbc9416dSPyun YongHyeon 	PHY_WRITE(sc, E1000_CR,
4982a4339f7SMatt Jacob 	    E1000_CR_AUTO_NEG_ENABLE | E1000_CR_RESTART_AUTO_NEG);
4992a4339f7SMatt Jacob 
5002a4339f7SMatt Jacob 	return (EJUSTRETURN);
5012a4339f7SMatt Jacob }
502