1 /* $OpenBSD: rtl80x9.c,v 1.8 2008/06/26 05:42:16 ray Exp $ */ 2 /* $NetBSD: rtl80x9.c,v 1.1 1998/10/31 00:44:33 thorpej Exp $ */ 3 4 /*- 5 * Copyright (c) 1998 The NetBSD Foundation, Inc. 6 * All rights reserved. 7 * 8 * This code is derived from software contributed to The NetBSD Foundation 9 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 10 * NASA Ames Research Center. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 23 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 31 * POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include "bpfilter.h" 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_media.h> 45 46 #ifdef INET 47 #include <netinet/in.h> 48 #include <netinet/if_ether.h> 49 #endif 50 51 #include <machine/bus.h> 52 53 #include <dev/ic/dp8390reg.h> 54 #include <dev/ic/dp8390var.h> 55 56 #include <dev/ic/ne2000reg.h> 57 #include <dev/ic/ne2000var.h> 58 59 #include <dev/ic/rtl80x9reg.h> 60 #include <dev/ic/rtl80x9var.h> 61 62 int 63 rtl80x9_mediachange(dsc) 64 struct dp8390_softc *dsc; 65 { 66 67 /* 68 * Current media is already set up. Just reset the interface 69 * to let the new value take hold. The new media will be 70 * set up in ne_pci_rtl8029_init_card() called via dp8390_init(). 71 */ 72 dp8390_reset(dsc); 73 return (0); 74 } 75 76 void 77 rtl80x9_mediastatus(sc, ifmr) 78 struct dp8390_softc *sc; 79 struct ifmediareq *ifmr; 80 { 81 struct ifnet *ifp = &sc->sc_arpcom.ac_if; 82 u_int8_t cr_proto = sc->cr_proto | 83 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 84 85 /* 86 * Sigh, can detect which media is being used, but can't 87 * detect if we have link or not. 88 */ 89 90 /* Set NIC to page 3 registers. */ 91 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 92 93 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) & 94 RTL3_CONFIG0_BNC) 95 ifmr->ifm_active = IFM_ETHER|IFM_10_2; 96 else { 97 ifmr->ifm_active = IFM_ETHER|IFM_10_T; 98 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) & 99 RTL3_CONFIG3_FUDUP) 100 ifmr->ifm_active |= IFM_FDX; 101 } 102 103 /* Set NIC to page 0 registers. */ 104 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 105 } 106 107 void 108 rtl80x9_init_card(sc) 109 struct dp8390_softc *sc; 110 { 111 struct ifmedia *ifm = &sc->sc_media; 112 struct ifnet *ifp = &sc->sc_arpcom.ac_if; 113 u_int8_t cr_proto = sc->cr_proto | 114 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 115 u_int8_t reg; 116 117 /* Set NIC to page 3 registers. */ 118 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 119 120 /* write enable config1-3. */ 121 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 122 RTL3_EECR_EEM1|RTL3_EECR_EEM0); 123 124 /* First, set basic media type. */ 125 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 126 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0); 127 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { 128 case IFM_AUTO: 129 /* Nothing to do; both bits clear == auto-detect. */ 130 break; 131 132 case IFM_10_T: 133 /* 134 * According to docs, this should be: 135 * reg |= RTL3_CONFIG2_PL0; 136 * but this doesn't work, so make it the same as AUTO. 137 */ 138 break; 139 140 case IFM_10_2: 141 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 142 break; 143 } 144 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg); 145 146 /* Now, set duplex mode. */ 147 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 148 if (ifm->ifm_cur->ifm_media & IFM_FDX) 149 reg |= RTL3_CONFIG3_FUDUP; 150 else 151 reg &= ~RTL3_CONFIG3_FUDUP; 152 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg); 153 154 /* write disable config1-3 */ 155 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0); 156 157 /* Set NIC to page 0 registers. */ 158 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 159 } 160 161 void 162 rtl80x9_media_init(sc) 163 struct dp8390_softc *sc; 164 { 165 static int rtl80x9_media[] = { 166 IFM_ETHER|IFM_AUTO, 167 IFM_ETHER|IFM_10_T, 168 IFM_ETHER|IFM_10_T|IFM_FDX, 169 IFM_ETHER|IFM_10_2, 170 }; 171 static const int rtl80x9_nmedia = 172 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]); 173 174 int i, defmedia; 175 u_int8_t conf2, conf3; 176 177 /* Set NIC to page 3 registers. */ 178 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3); 179 180 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 181 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 182 183 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 184 185 switch (conf2) { 186 case 0: 187 defmedia = IFM_ETHER|IFM_AUTO; 188 break; 189 190 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0: 191 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */ 192 defmedia = IFM_ETHER|IFM_10_2; 193 break; 194 195 case RTL3_CONFIG2_PL0: 196 if (conf3 & RTL3_CONFIG3_FUDUP) 197 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 198 else 199 defmedia = IFM_ETHER|IFM_10_T; 200 break; 201 } 202 203 /* Set NIC to page 0 registers. */ 204 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0); 205 206 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 207 for (i = 0; i < rtl80x9_nmedia; i++) 208 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); 209 ifmedia_set(&sc->sc_media, defmedia); 210 } 211