1 /* $NetBSD: ax88190.c,v 1.18 2021/07/01 20:39:15 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Enami Tsugutomo. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: ax88190.c,v 1.18 2021/07/01 20:39:15 thorpej Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/device.h> 38 #include <sys/socket.h> 39 40 #include <net/if.h> 41 #include <net/if_dl.h> 42 #include <net/if_types.h> 43 #include <net/if_media.h> 44 #include <net/if_ether.h> 45 46 #include <sys/bus.h> 47 48 #include <dev/mii/miivar.h> 49 #include <dev/mii/mii.h> 50 #include <dev/mii/mii_bitbang.h> 51 52 #include <dev/ic/dp8390reg.h> 53 #include <dev/ic/dp8390var.h> 54 55 #include <dev/ic/ne2000reg.h> 56 #include <dev/ic/ne2000var.h> 57 58 #include <dev/ic/ax88190reg.h> 59 #include <dev/ic/ax88190var.h> 60 61 static int ax88190_mii_readreg(device_t, int, int, uint16_t *); 62 static int ax88190_mii_writereg(device_t, int, int, uint16_t); 63 static void ax88190_mii_statchg(struct ifnet *); 64 65 /* 66 * MII bit-bang glue. 67 */ 68 static u_int32_t ax88190_mii_bitbang_read(device_t); 69 static void ax88190_mii_bitbang_write(device_t, u_int32_t); 70 71 static const struct mii_bitbang_ops ax88190_mii_bitbang_ops = { 72 ax88190_mii_bitbang_read, 73 ax88190_mii_bitbang_write, 74 { 75 AX88190_MEMR_MDO, /* MII_BIT_MDO */ 76 AX88190_MEMR_MDI, /* MII_BIT_MDI */ 77 AX88190_MEMR_MDC, /* MII_BIT_MDC */ 78 0, /* MII_BIT_DIR_HOST_PHY */ 79 AX88190_MEMR_MDIR, /* MII_BIT_DIR_PHY_HOST */ 80 } 81 }; 82 83 static void 84 ax88190_tick(void *arg) 85 { 86 struct dp8390_softc *sc = arg; 87 int s; 88 89 s = splnet(); 90 mii_tick(&sc->sc_mii); 91 splx(s); 92 93 callout_schedule(&sc->sc_tick_ch, hz); 94 } 95 96 void 97 ax88190_media_init(struct dp8390_softc *sc) 98 { 99 struct ifnet *ifp = &sc->sc_ec.ec_if; 100 struct mii_data *mii = &sc->sc_mii; 101 102 callout_setfunc(&sc->sc_tick_ch, ax88190_tick, sc); 103 104 sc->sc_ec.ec_mii = mii; 105 106 mii->mii_ifp = ifp; 107 mii->mii_readreg = ax88190_mii_readreg; 108 mii->mii_writereg = ax88190_mii_writereg; 109 mii->mii_statchg = ax88190_mii_statchg; 110 ifmedia_init(&mii->mii_media, IFM_IMASK, dp8390_mediachange, 111 dp8390_mediastatus); 112 113 mii_attach(sc->sc_dev, mii, 0xffffffff, MII_PHY_ANY, 114 MII_OFFSET_ANY, 0); 115 116 if (LIST_FIRST(&mii->mii_phys) == NULL) { 117 ifmedia_add(&mii->mii_media, IFM_ETHER | IFM_NONE, 0, NULL); 118 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_NONE); 119 } else 120 ifmedia_set(&mii->mii_media, IFM_ETHER | IFM_AUTO); 121 } 122 123 void 124 ax88190_media_fini(struct dp8390_softc *sc) 125 { 126 127 callout_stop(&sc->sc_tick_ch); 128 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 129 /* dp8390_detach() will call ifmedia_fini(). */ 130 } 131 132 int 133 ax88190_mediachange(struct dp8390_softc *sc) 134 { 135 int rc; 136 137 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 138 return 0; 139 return rc; 140 } 141 142 void 143 ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 144 { 145 146 mii_pollstat(&sc->sc_mii); 147 ifmr->ifm_status = sc->sc_mii.mii_media_status; 148 ifmr->ifm_active = sc->sc_mii.mii_media_active; 149 } 150 151 void 152 ax88190_init_card(struct dp8390_softc *sc) 153 { 154 155 mii_mediachg(&sc->sc_mii); 156 callout_schedule(&sc->sc_tick_ch, hz); 157 } 158 159 void 160 ax88190_stop_card(struct dp8390_softc *sc) 161 { 162 163 callout_stop(&sc->sc_tick_ch); 164 mii_down(&sc->sc_mii); 165 } 166 167 static u_int32_t 168 ax88190_mii_bitbang_read(device_t self) 169 { 170 struct ne2000_softc *sc = device_private(self); 171 172 return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR)); 173 } 174 175 static void 176 ax88190_mii_bitbang_write(device_t self, uint32_t val) 177 { 178 struct ne2000_softc *sc = device_private(self); 179 180 bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val); 181 } 182 183 static int 184 ax88190_mii_readreg(device_t self, int phy, int reg, uint16_t *val) 185 { 186 187 return mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg, 188 val); 189 } 190 191 static int 192 ax88190_mii_writereg(device_t self, int phy, int reg, uint16_t val) 193 { 194 195 return mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, 196 val); 197 } 198 199 static void 200 ax88190_mii_statchg(struct ifnet *ifp) 201 { 202 203 /* XXX */ 204 } 205
Indexes created Tue Sep 30 07:10:03 GMT 2025