1 /* $NetBSD: rtl80x9.c,v 1.15 2009/03/14 15:36:17 dsl 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 1.15 2009/03/14 15:36:17 dsl 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 } 96 97 /* Set NIC to page 0 registers. */ 98 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 99 } 100 101 void 102 rtl80x9_init_card(struct dp8390_softc *sc) 103 { 104 struct ifmedia *ifm = &sc->sc_media; 105 struct ifnet *ifp = &sc->sc_ec.ec_if; 106 u_int8_t cr_proto = sc->cr_proto | 107 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 108 u_int8_t reg; 109 110 /* Set NIC to page 3 registers. */ 111 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_3); 112 113 /* write enable config1-3. */ 114 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 115 RTL3_EECR_EEM1|RTL3_EECR_EEM0); 116 117 /* First, set basic media type. */ 118 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 119 reg &= ~(RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0); 120 switch (IFM_SUBTYPE(ifm->ifm_cur->ifm_media)) { 121 case IFM_AUTO: 122 /* Nothing to do; both bits clear == auto-detect. */ 123 break; 124 125 case IFM_10_T: 126 /* 127 * According to docs, this should be: 128 * reg |= RTL3_CONFIG2_PL0; 129 * but this doesn't work, so make it the same as AUTO. 130 */ 131 break; 132 133 case IFM_10_2: 134 reg |= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 135 break; 136 } 137 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2, reg); 138 139 /* Now, set duplex mode. */ 140 reg = NIC_GET(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 141 if (ifm->ifm_cur->ifm_media & IFM_FDX) 142 reg |= RTL3_CONFIG3_FUDUP; 143 else 144 reg &= ~RTL3_CONFIG3_FUDUP; 145 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3, reg); 146 147 /* write disable config1-3 */ 148 NIC_PUT(sc->sc_regt, sc->sc_regh, NERTL_RTL3_EECR, 0); 149 150 /* Set NIC to page 0 registers. */ 151 NIC_PUT(sc->sc_regt, sc->sc_regh, ED_P0_CR, cr_proto | ED_CR_PAGE_0); 152 } 153 154 void 155 rtl80x9_media_init(struct dp8390_softc *sc) 156 { 157 static int rtl80x9_media[] = { 158 IFM_ETHER|IFM_AUTO, 159 IFM_ETHER|IFM_10_T, 160 IFM_ETHER|IFM_10_T|IFM_FDX, 161 IFM_ETHER|IFM_10_2, 162 }; 163 static const int rtl80x9_nmedia = 164 sizeof(rtl80x9_media) / sizeof(rtl80x9_media[0]); 165 166 int i, defmedia; 167 u_int8_t conf2, conf3; 168 169 aprint_normal_dev(sc->sc_dev, 170 "10base2, 10baseT, 10baseT-FDX, auto, default "); 171 172 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3); 173 174 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 175 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 176 printf("[0x%02x 0x%02x] ", conf2, conf3); 177 178 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 179 180 switch (conf2) { 181 default: 182 defmedia = IFM_ETHER|IFM_AUTO; 183 printf("auto\n"); 184 break; 185 186 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0: 187 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */ 188 defmedia = IFM_ETHER|IFM_10_2; 189 printf("10base2\n"); 190 break; 191 192 case RTL3_CONFIG2_PL0: 193 if (conf3 & RTL3_CONFIG3_FUDUP) { 194 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 195 printf("10baseT-FDX\n"); 196 } else { 197 defmedia = IFM_ETHER|IFM_10_T; 198 printf("10baseT\n"); 199 } 200 break; 201 } 202 203 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0); 204 205 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 206 for (i = 0; i < rtl80x9_nmedia; i++) 207 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); 208 ifmedia_set(&sc->sc_media, defmedia); 209 } 210