1/* $NetBSD: rtl80x9.c,v 1.19 2023/12/31 03:19:22 isaki 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 1.19 2023/12/31 03:19:22 isaki 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 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_ec.ec_if; 76 uint8_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 103void 104rtl80x9_init_card(struct dp8390_softc *sc) 105{ 106 struct ifmedia *ifm = &sc->sc_media; 107 struct ifnet *ifp = &sc->sc_ec.ec_if; 108 uint8_t cr_proto = sc->cr_proto | 109 ((ifp->if_flags & IFF_RUNNING) ? ED_CR_STA : ED_CR_STP); 110 uint8_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 156void 157rtl80x9_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 = __arraycount(rtl80x9_media); 166 167 int i, defmedia; 168 uint8_t conf2, conf3; 169 170 aprint_normal_dev(sc->sc_dev, 171 "10base2, 10baseT, 10baseT-FDX, auto, default "); 172 173 bus_space_write_1(sc->sc_regt, sc->sc_regh, ED_P0_CR, 174 sc->cr_proto | 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, 206 sc->cr_proto | ED_CR_PAGE_0); 207 208 ifmedia_init(&sc->sc_media, 0, dp8390_mediachange, dp8390_mediastatus); 209 for (i = 0; i < rtl80x9_nmedia; i++) 210 ifmedia_add(&sc->sc_media, rtl80x9_media[i], 0, NULL); 211 ifmedia_set(&sc->sc_media, defmedia); 212} 213