1 /*-
2  * SPDX-License-Identifier: BSD-4-Clause
18  * 4. Neither the name of the author nor the names of any co-contributors
85  * RealTek internal PHYs don't have vendor/device ID registers;
125 	 * The RealTek PHY can never be isolated.  in rlphy_attach()
146 		 * The RealTek PHY's autonegotiation doesn't need to be  in rlphy_service()
161 rlphy_status(struct mii_softc *phy)  in rlphy_status()  argument
163 	struct mii_data *mii = phy->mii_pdata;  in rlphy_status()
164 	struct ifmedia_entry *ife = mii->mii_media.ifm_cur;  in rlphy_status()
167 	mii->mii_media_status = IFM_AVALID;  in rlphy_status()
168 	mii->mii_media_active = IFM_ETHER;  in rlphy_status()
170 	bmsr = PHY_READ(phy, MII_BMSR) | PHY_READ(phy, MII_BMSR);  in rlphy_status()
172 		mii->mii_media_status |= IFM_ACTIVE;  in rlphy_status()
174 	bmcr = PHY_READ(phy, MII_BMCR);  in rlphy_status()
176 		mii->mii_media_active |= IFM_NONE;  in rlphy_status()
177 		mii->mii_media_status = 0;  in rlphy_status()
182 		mii->mii_media_active |= IFM_LOOP;  in rlphy_status()
186 		 * NWay autonegotiation takes the highest-order common  in rlphy_status()
192 			mii->mii_media_active |= IFM_NONE;  in rlphy_status()
196 		if ((anlpar = PHY_READ(phy, MII_ANAR) &  in rlphy_status()
197 		    PHY_READ(phy, MII_ANLPAR))) {  in rlphy_status()
199 				mii->mii_media_active |= IFM_100_TX|IFM_FDX;  in rlphy_status()
201 				mii->mii_media_active |= IFM_100_T4|IFM_HDX;  in rlphy_status()
203 				mii->mii_media_active |= IFM_100_TX|IFM_HDX;  in rlphy_status()
205 				mii->mii_media_active |= IFM_10_T|IFM_FDX;  in rlphy_status()
207 				mii->mii_media_active |= IFM_10_T|IFM_HDX;  in rlphy_status()
209 				mii->mii_media_active |= IFM_NONE;  in rlphy_status()
210 			if ((mii->mii_media_active & IFM_FDX) != 0)  in rlphy_status()
211 				mii->mii_media_active |=  in rlphy_status()
212 				    mii_phy_flowstatus(phy);  in rlphy_status()
216 		 * If the other side doesn't support NWAY, then the  in rlphy_status()
225 		 * The RealTek PHY supports non-NWAY link speed  in rlphy_status()
228 		 * (What? RealTek doesn't do things the way everyone  in rlphy_status()
233 		 * - If this is a standalone RealTek RTL8201(L) or  in rlphy_status()
234 		 *   workalike PHY, we can determine the link speed by  in rlphy_status()
235 		 *   testing bit 0 in the magic, vendor-specific register  in rlphy_status()
238 		 * - If this is a RealTek MAC with integrated PHY, we  in rlphy_status()
242 		if (!(phy->mii_mpd_model == 0 && phy->mii_mpd_rev == 0)) {  in rlphy_status()
243 			if (PHY_READ(phy, 0x0019) & 0x01)  in rlphy_status()
244 				mii->mii_media_active |= IFM_100_TX;  in rlphy_status()
246 				mii->mii_media_active |= IFM_10_T;  in rlphy_status()
248 			if (PHY_READ(phy, RL_MEDIASTAT) &  in rlphy_status()
250 				mii->mii_media_active |= IFM_10_T;  in rlphy_status()
252 				mii->mii_media_active |= IFM_100_TX;  in rlphy_status()
254 		mii->mii_media_active |= IFM_HDX;  in rlphy_status()
256 		mii->mii_media_active = ife->ifm_media;  in rlphy_status()