| 1 | /* $NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh 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. |
| 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 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 21 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 22 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 23 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 24 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 25 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 26 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 27 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 28 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 29 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 30 | * POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | #include <sys/cdefs.h> |
| 34 | __KERNEL_RCSID(0, "$NetBSD: rtl80x9.c,v 1.16 2014/06/16 16:48:16 msaitoh Exp $" ); |
| 35 | |
| 36 | #include <sys/param.h> |
| 37 | #include <sys/systm.h> |
| 38 | #include <sys/mbuf.h> |
| 39 | #include <sys/syslog.h> |
| 40 | #include <sys/socket.h> |
| 41 | #include <sys/device.h> |
| 42 | |
| 43 | #include <net/if.h> |
| 44 | #include <net/if_ether.h> |
| 45 | #include <net/if_media.h> |
| 46 | |
| 47 | #include <sys/bus.h> |
| 48 | #include <sys/intr.h> |
| 49 | |
| 50 | #include <dev/ic/dp8390reg.h> |
| 51 | #include <dev/ic/dp8390var.h> |
| 52 | |
| 53 | #include <dev/ic/ne2000reg.h> |
| 54 | #include <dev/ic/ne2000var.h> |
| 55 | |
| 56 | #include <dev/ic/rtl80x9reg.h> |
| 57 | #include <dev/ic/rtl80x9var.h> |
| 58 | |
| 59 | int |
| 60 | rtl80x9_mediachange(struct dp8390_softc *dsc) |
| 61 | { |
| 62 | |
| 63 | /* |
| 64 | * Current media is already set up. Just reset the interface |
| 65 | * to let the new value take hold. The new media will be |
| 66 | * set up in ne_pci_rtl8029_init_card() called via dp8390_init(). |
| 67 | */ |
| 68 | dp8390_reset(dsc); |
| 69 | return (0); |
| 70 | } |
| 71 | |
| 72 | void |
| 73 | rtl80x9_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) |
| 74 | { |
| 75 | struct ifnet *ifp = &sc->sc_ec.ec_if; |
| 76 | u_int8_t cr_proto = sc->cr_proto | |
| 77 | ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); |
| 78 | |
| 79 | /* |
| 80 | * Sigh, can detect which media is being used, but can't |
| 81 | * detect if we have link or not. |
| 82 | */ |
| 83 | |
| 84 | /* Set NIC to page 3 registers. */ |
| 85 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); |
| 86 | |
| 87 | if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) & |
| 88 | RTL3_CONFIG0_BNC) |
| 89 | ifmr->ifm_active = IFM_ETHER|IFM_10_2; |
| 90 | else { |
| 91 | ifmr->ifm_active = IFM_ETHER|IFM_10_T; |
| 92 | if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) & |
| 93 | RTL3_CONFIG3_FUDUP) |
| 94 | ifmr->ifm_active |= IFM_FDX; |
| 95 | else |
| 96 | ifmr->ifm_active |= IFM_HDX; |
| 97 | } |
| 98 | |
| 99 | /* Set NIC to page 0 registers. */ |
| 100 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); |
| 101 | } |
| 102 | |
| 103 | void |
| 104 | rtl80x9_init_card(struct dp8390_softc *sc) |
| 105 | { |
| 106 | struct ifmedia *ifm = &sc->sc_media; |
| 107 | struct ifnet *ifp = &sc->sc_ec.ec_if; |
| 108 | u_int8_t cr_proto = sc->cr_proto | |
| 109 | ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); |
| 110 | u_int8_t reg; |
| 111 | |
| 112 | /* Set NIC to page 3 registers. */ |
| 113 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); |
| 114 | |
| 115 | /* write enable config1-3. */ |
| 116 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, |
| 117 | RTL3_EECR_EEM1|RTL3_EECR_EEM0); |
| 118 | |
| 119 | /* First, set basic media type. */ |
| 120 | reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); |
| 121 | reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0); |
| 122 | switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { |
| 123 | case IFM_AUTO: |
| 124 | /* Nothing to do; both bits clear == auto-detect. */ |
| 125 | break; |
| 126 | |
| 127 | case IFM_10_T: |
| 128 | /* |
| 129 | * According to docs, this should be: |
| 130 | * reg |= RTL3_CONFIG2_PL0; |
| 131 | * but this doesn't work, so make it the same as AUTO. |
| 132 | */ |
| 133 | break; |
| 134 | |
| 135 | case IFM_10_2: |
| 136 | reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; |
| 137 | break; |
| 138 | } |
| 139 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg); |
| 140 | |
| 141 | /* Now, set duplex mode. */ |
| 142 | reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); |
| 143 | if (ifm->ifm_cur->ifm_media & IFM_FDX) |
| 144 | reg |= RTL3_CONFIG3_FUDUP; |
| 145 | else |
| 146 | reg &= ~RTL3_CONFIG3_FUDUP; |
| 147 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg); |
| 148 | |
| 149 | /* write disable config1-3 */ |
| 150 | NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0); |
| 151 | |
| 152 | /* Set NIC to page 0 registers. */ |
| 153 | NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); |
| 154 | } |
| 155 | |
| 156 | void |
| 157 | rtl80x9_media_init(struct dp8390_softc *sc) |
| 158 | { |
| 159 | static int rtl80x9_media[] = { |
| 160 | IFM_ETHER|IFM_AUTO, |
| 161 | IFM_ETHER|IFM_10_T, |
| 162 | IFM_ETHER|IFM_10_T|IFM_FDX, |
| 163 | IFM_ETHER|IFM_10_2, |
| 164 | }; |
| 165 | static const int rtl80x9_nmedia = |
| 166 | sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]); |
| 167 | |
| 168 | int i, defmedia; |
| 169 | u_int8_t conf2, conf3; |
| 170 | |
| 171 | aprint_normal_dev(sc->sc_dev, |
| 172 | "10base2, 10baseT, 10baseT-FDX, auto, default " ); |
| 173 | |
| 174 | bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3); |
| 175 | |
| 176 | conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); |
| 177 | conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); |
| 178 | printf("[0x%02x 0x%02x] " , conf2, conf3); |
| 179 | |
| 180 | conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; |
| 181 | |
| 182 | switch (conf2) { |
| 183 | default: |
| 184 | defmedia = IFM_ETHER|IFM_AUTO; |
| 185 | printf("auto\n" ); |
| 186 | break; |
| 187 | |
| 188 | case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0: |
| 189 | case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */ |
| 190 | defmedia = IFM_ETHER|IFM_10_2; |
| 191 | printf("10base2\n" ); |
| 192 | break; |
| 193 | |
| 194 | case RTL3_CONFIG2_PL0: |
| 195 | if (conf3 & RTL3_CONFIG3_FUDUP) { |
| 196 | defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; |
| 197 | printf("10baseT-FDX\n" ); |
| 198 | } else { |
| 199 | defmedia = IFM_ETHER|IFM_10_T; |
| 200 | printf("10baseT\n" ); |
| 201 | } |
| 202 | break; |
| 203 | } |
| 204 | |
| 205 | bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0); |
| 206 | |
| 207 | ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); |
| 208 | for (i = 0; i < rtl80x9_nmedia; i++) |
| 209 | ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); |
| 210 | ifmedia_set(&sc->sc_media, defmedia); |
| 211 | } |
| 212 | |