1/* $OpenBSD: rtl80x9.c,v 1.12 2021/03/07 06:21:38 jsg 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#include <netinet/in.h> 47#include <netinet/if_ether.h> 48 49#include <machine/bus.h> 50 51#include <dev/ic/dp8390reg.h> 52#include <dev/ic/dp8390var.h> 53 54#include <dev/ic/ne2000var.h> 55 56#include <dev/ic/rtl80x9reg.h> 57#include <dev/ic/rtl80x9var.h> 58 59int 60rtl80x9_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 72void 73rtl80x9_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 74{ 75 struct ifnet *ifp = &sc->sc_arpcom.ac_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 101void 102rtl80x9_init_card(struct dp8390_softc *sc) 103{ 104 struct ifmedia *ifm = &sc->sc_media; 105 struct ifnet *ifp = &sc->sc_arpcom.ac_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 154void 155rtl80x9_media_init(struct dp8390_softc *sc) 156{ 157 static uint64_t 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; 167 uint64_t defmedia; 168 u_int8_t conf2, conf3; 169 170 /* Set NIC to page 3 registers. */ 171 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_3); 172 173 conf2 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG2); 174 conf3 = bus_space_read_1(sc->sc_regt, sc->sc_regh, NERTL_RTL3_CONFIG3); 175 176 conf2 &= RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0; 177 178 switch (conf2) { 179 case 0: 180 defmedia = IFM_ETHER|IFM_AUTO; 181 break; 182 183 case RTL3_CONFIG2_PL1|RTL3_CONFIG2_PL0: 184 case RTL3_CONFIG2_PL1: /* XXX rtl docs sys 10base5, but chip cant do */ 185 defmedia = IFM_ETHER|IFM_10_2; 186 break; 187 188 case RTL3_CONFIG2_PL0: 189 if (conf3 & RTL3_CONFIG3_FUDUP) 190 defmedia = IFM_ETHER|IFM_10_T|IFM_FDX; 191 else 192 defmedia = IFM_ETHER|IFM_10_T; 193 break; 194 } 195 196 /* Set NIC to page 0 registers. */ 197 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, ED_CR_PAGE_0); 198 199 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 200 for (i = 0; i < rtl80x9_nmedia; i++) 201 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); 202 ifmedia_set(&sc->sc_media, defmedia); 203} 204