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ukphy_subr.c (129844) ukphy_subr.c (158744)
1/* $NetBSD: ukphy_subr.c,v 1.2 1998/11/05 04:08:02 thorpej Exp $ */
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center, and by Frank van der Linden.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/cdefs.h>
1/* $NetBSD: ukphy_subr.c,v 1.2 1998/11/05 04:08:02 thorpej Exp $ */
2
3/*-
4 * Copyright (c) 1998 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
9 * NASA Ames Research Center, and by Frank van der Linden.
10 *
11 * Redistribution and use in source and binary forms, with or without
12 * modification, are permitted provided that the following conditions
13 * are met:
14 * 1. Redistributions of source code must retain the above copyright
15 * notice, this list of conditions and the following disclaimer.
16 * 2. Redistributions in binary form must reproduce the above copyright
17 * notice, this list of conditions and the following disclaimer in the
18 * documentation and/or other materials provided with the distribution.
19 * 3. All advertising materials mentioning features or use of this software
20 * must display the following acknowledgement:
21 * This product includes software developed by the NetBSD
22 * Foundation, Inc. and its contributors.
23 * 4. Neither the name of The NetBSD Foundation nor the names of its
24 * contributors may be used to endorse or promote products derived
25 * from this software without specific prior written permission.
26 *
27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
37 * POSSIBILITY OF SUCH DAMAGE.
38 */
39
40#include <sys/cdefs.h>
41__FBSDID("$FreeBSD: head/sys/dev/mii/ukphy_subr.c 129844 2004-05-29 18:09:10Z marius $");
41__FBSDID("$FreeBSD: head/sys/dev/mii/ukphy_subr.c 158744 2006-05-19 03:51:42Z yongari $");
42
43/*
44 * Subroutines shared by the ukphy driver and other PHY drivers.
45 */
46
47#include <sys/param.h>
48#include <sys/systm.h>
49#include <sys/socket.h>
50#include <sys/module.h>
51#include <sys/bus.h>
52
53#include <net/if.h>
54#include <net/if_media.h>
55
56#include <dev/mii/mii.h>
57#include <dev/mii/miivar.h>
58
59#include "miibus_if.h"
60
61/*
62 * Media status subroutine. If a PHY driver does media detection simply
63 * by decoding the NWay autonegotiation, use this routine.
64 */
65void
66ukphy_status(struct mii_softc *phy)
67{
68 struct mii_data *mii = phy->mii_pdata;
69 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
42
43/*
44 * Subroutines shared by the ukphy driver and other PHY drivers.
45 */
46
47#include <sys/param.h>
48#include <sys/systm.h>
49#include <sys/socket.h>
50#include <sys/module.h>
51#include <sys/bus.h>
52
53#include <net/if.h>
54#include <net/if_media.h>
55
56#include <dev/mii/mii.h>
57#include <dev/mii/miivar.h>
58
59#include "miibus_if.h"
60
61/*
62 * Media status subroutine. If a PHY driver does media detection simply
63 * by decoding the NWay autonegotiation, use this routine.
64 */
65void
66ukphy_status(struct mii_softc *phy)
67{
68 struct mii_data *mii = phy->mii_pdata;
69 struct ifmedia_entry *ife = mii->mii_media.ifm_cur;
70 int bmsr, bmcr, anlpar;
70 int bmsr, bmcr, anlpar, gtcr, gtsr;
71
72 mii->mii_media_status = IFM_AVALID;
73 mii->mii_media_active = IFM_ETHER;
74
75 bmsr = PHY_READ(phy, MII_BMSR) | PHY_READ(phy, MII_BMSR);
76 if (bmsr & BMSR_LINK)
77 mii->mii_media_status |= IFM_ACTIVE;
78
79 bmcr = PHY_READ(phy, MII_BMCR);
80 if (bmcr & BMCR_ISO) {
81 mii->mii_media_active |= IFM_NONE;
82 mii->mii_media_status = 0;
83 return;
84 }
85
86 if (bmcr & BMCR_LOOP)
87 mii->mii_media_active |= IFM_LOOP;
88
89 if (bmcr & BMCR_AUTOEN) {
90 /*
91 * NWay autonegotiation takes the highest-order common
92 * bit of the ANAR and ANLPAR (i.e. best media advertised
93 * both by us and our link partner).
94 */
95 if ((bmsr & BMSR_ACOMP) == 0) {
96 /* Erg, still trying, I guess... */
97 mii->mii_media_active |= IFM_NONE;
98 return;
99 }
100
101 anlpar = PHY_READ(phy, MII_ANAR) & PHY_READ(phy, MII_ANLPAR);
71
72 mii->mii_media_status = IFM_AVALID;
73 mii->mii_media_active = IFM_ETHER;
74
75 bmsr = PHY_READ(phy, MII_BMSR) | PHY_READ(phy, MII_BMSR);
76 if (bmsr & BMSR_LINK)
77 mii->mii_media_status |= IFM_ACTIVE;
78
79 bmcr = PHY_READ(phy, MII_BMCR);
80 if (bmcr & BMCR_ISO) {
81 mii->mii_media_active |= IFM_NONE;
82 mii->mii_media_status = 0;
83 return;
84 }
85
86 if (bmcr & BMCR_LOOP)
87 mii->mii_media_active |= IFM_LOOP;
88
89 if (bmcr & BMCR_AUTOEN) {
90 /*
91 * NWay autonegotiation takes the highest-order common
92 * bit of the ANAR and ANLPAR (i.e. best media advertised
93 * both by us and our link partner).
94 */
95 if ((bmsr & BMSR_ACOMP) == 0) {
96 /* Erg, still trying, I guess... */
97 mii->mii_media_active |= IFM_NONE;
98 return;
99 }
100
101 anlpar = PHY_READ(phy, MII_ANAR) & PHY_READ(phy, MII_ANLPAR);
102 if (anlpar & ANLPAR_T4)
102 if ((phy->mii_flags & MIIF_HAVE_GTCR) != 0 &&
103 (phy->mii_extcapabilities &
104 (EXTSR_1000THDX | EXTSR_1000TFDX)) != 0) {
105 gtcr = PHY_READ(phy, MII_100T2CR);
106 gtsr = PHY_READ(phy, MII_100T2SR);
107 } else
108 gtcr = gtsr = 0;
109
110 if ((gtcr & GTCR_ADV_1000TFDX) && (gtsr & GTSR_LP_1000TFDX))
111 mii->mii_media_active |= IFM_1000_T|IFM_FDX;
112 else if ((gtcr & GTCR_ADV_1000THDX) &&
113 (gtsr & GTSR_LP_1000THDX))
114 mii->mii_media_active |= IFM_1000_T;
115 else if (anlpar & ANLPAR_T4)
103 mii->mii_media_active |= IFM_100_T4;
104 else if (anlpar & ANLPAR_TX_FD)
105 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
106 else if (anlpar & ANLPAR_TX)
107 mii->mii_media_active |= IFM_100_TX;
108 else if (anlpar & ANLPAR_10_FD)
109 mii->mii_media_active |= IFM_10_T|IFM_FDX;
110 else if (anlpar & ANLPAR_10)
111 mii->mii_media_active |= IFM_10_T;
112 else
113 mii->mii_media_active |= IFM_NONE;
114 } else
115 mii->mii_media_active = ife->ifm_media;
116}
116 mii->mii_media_active |= IFM_100_T4;
117 else if (anlpar & ANLPAR_TX_FD)
118 mii->mii_media_active |= IFM_100_TX|IFM_FDX;
119 else if (anlpar & ANLPAR_TX)
120 mii->mii_media_active |= IFM_100_TX;
121 else if (anlpar & ANLPAR_10_FD)
122 mii->mii_media_active |= IFM_10_T|IFM_FDX;
123 else if (anlpar & ANLPAR_10)
124 mii->mii_media_active |= IFM_10_T;
125 else
126 mii->mii_media_active |= IFM_NONE;
127 } else
128 mii->mii_media_active = ife->ifm_media;
129}