1 /* $NetBSD: rtl80x9.c,v 1.14 2008/04/28 20:23:51 martin 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 1.14 2008/04/28 20:23:51 martin 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(dsc) 61 struct dp8390_softc *dsc; 62 { 63 64 /* 65 * Current media is already set up. Just reset the interface 66 * to let the new value take hold. The new media will be 67 * set up in ne_pci_rtl8029_init_card() called via dp8390_init(). 68 */ 69 dp8390_reset(dsc); 70 return (0); 71 } 72 73 void 74 rtl80x9_mediastatus(sc, ifmr) 75 struct dp8390_softc *sc; 76 struct ifmediareq *ifmr; 77 { 78 struct ifnet *ifp = &sc->sc_ec.ec_if; 79 u_int8_t cr_proto = sc->cr_proto | 80 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 81 82 /* 83 * Sigh, can detect which media is being used, but can't 84 * detect if we have link or not. 85 */ 86 87 /* Set NIC to page 3 registers. */ 88 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 89 90 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG0) & 91 RTL3_CONFIG0_BNC) 92 ifmr->ifm_active = IFM_ETHER|IFM_10_2; 93 else { 94 ifmr->ifm_active = IFM_ETHER|IFM_10_T; 95 if (NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3) & 96 RTL3_CONFIG3_FUDUP) 97 ifmr->ifm_active |= IFM_FDX; 98 } 99 100 /* Set NIC to page 0 registers. */ 101 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 102 } 103 104 void 105 rtl80x9_init_card(sc) 106 struct dp8390_softc *sc; 107 { 108 struct ifmedia *ifm = &sc->sc_media; 109 struct ifnet *ifp = &sc->sc_ec.ec_if; 110 u_int8_t cr_proto = sc->cr_proto | 111 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 112 u_int8_t reg; 113 114 /* Set NIC to page 3 registers. */ 115 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 116 117 /* write enable config1-3. */ 118 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 119 RTL3_EECR_EEM1|RTL3_EECR_EEM0); 120 121 /* First, set basic media type. */ 122 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 123 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0); 124 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { 125 case IFM_AUTO: 126 /* Nothing to do; both bits clear == auto-detect. */ 127 break; 128 129 case IFM_10_T: 130 /* 131 * According to docs, this should be: 132 * reg |= RTL3_CONFIG2_PL0; 133 * but this doesn't work, so make it the same as AUTO. 134 */ 135 break; 136 137 case IFM_10_2: 138 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 139 break; 140 } 141 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg); 142 143 /* Now, set duplex mode. */ 144 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 145 if (ifm->ifm_cur->ifm_media & IFM_FDX) 146 reg |= RTL3_CONFIG3_FUDUP; 147 else 148 reg &= ~RTL3_CONFIG3_FUDUP; 149 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg); 150 151 /* write disable config1-3 */ 152 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0); 153 154 /* Set NIC to page 0 registers. */ 155 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 156 } 157 158 void 159 rtl80x9_media_init(sc) 160 struct dp8390_softc *sc; 161 { 162 static int rtl80x9_media[] = { 163 IFM_ETHER|IFM_AUTO, 164 IFM_ETHER|IFM_10_T, 165 IFM_ETHER|IFM_10_T|IFM_FDX, 166 IFM_ETHER|IFM_10_2, 167 }; 168 static const int rtl80x9_nmedia = 169 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]); 170 171 int i, defmedia; 172 u_int8_t conf2, conf3; 173 174 aprint_normal_dev(sc->sc_dev, 175 "10base2, 10baseT, 10baseT-FDX, auto, default "); 176 177 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3); 178 179 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 180 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 181 printf("[0x%02x 0x%02x] ", conf2, conf3); 182 183 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 184 185 switch (conf2) { 186 default: 187 defmedia = IFM_ETHER|IFM_AUTO; 188 printf("auto\n"); 189 break; 190 191 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0: 192 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */ 193 defmedia = IFM_ETHER|IFM_10_2; 194 printf("10base2\n"); 195 break; 196 197 case RTL3_CONFIG2_PL0: 198 if (conf3 & RTL3_CONFIG3_FUDUP) { 199 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 200 printf("10baseT-FDX\n"); 201 } else { 202 defmedia = IFM_ETHER|IFM_10_T; 203 printf("10baseT\n"); 204 } 205 break; 206 } 207 208 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0); 209 210 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 211 for (i = 0; i < rtl80x9_nmedia; i++) 212 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); 213 ifmedia_set(&sc->sc_media, defmedia); 214 } 215