1 /* $NetBSD: ax88190.c,v 1.10 2008/03/12 14:31:11 cube 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #include <sys/cdefs.h> 40 __KERNEL_RCSID(0, "$NetBSD: ax88190.c,v 1.10 2008/03/12 14:31:11 cube Exp $"); 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/device.h> 45 #include <sys/socket.h> 46 47 #include <net/if.h> 48 #include <net/if_dl.h> 49 #include <net/if_types.h> 50 #include <net/if_media.h> 51 #include <net/if_ether.h> 52 53 #include <sys/bus.h> 54 55 #include <dev/mii/miivar.h> 56 #include <dev/mii/mii.h> 57 #include <dev/mii/mii_bitbang.h> 58 59 #include <dev/ic/dp8390reg.h> 60 #include <dev/ic/dp8390var.h> 61 62 #include <dev/ic/ne2000reg.h> 63 #include <dev/ic/ne2000var.h> 64 65 #include <dev/ic/ax88190reg.h> 66 #include <dev/ic/ax88190var.h> 67 68 static int ax88190_mii_readreg(device_t, int, int); 69 static void ax88190_mii_writereg(device_t, int, int, int); 70 static void ax88190_mii_statchg(device_t); 71 72 /* 73 * MII bit-bang glue. 74 */ 75 static u_int32_t ax88190_mii_bitbang_read(device_t); 76 static void ax88190_mii_bitbang_write(device_t, u_int32_t); 77 78 static const struct mii_bitbang_ops ax88190_mii_bitbang_ops = { 79 ax88190_mii_bitbang_read, 80 ax88190_mii_bitbang_write, 81 { 82 AX88190_MEMR_MDO, /* MII_BIT_MDO */ 83 AX88190_MEMR_MDI, /* MII_BIT_MDI */ 84 AX88190_MEMR_MDC, /* MII_BIT_MDC */ 85 0, /* MII_BIT_DIR_HOST_PHY */ 86 AX88190_MEMR_MDIR, /* MII_BIT_DIR_PHY_HOST */ 87 } 88 }; 89 90 void 91 ax88190_media_init(struct dp8390_softc *sc) 92 { 93 struct ifnet *ifp = &sc->sc_ec.ec_if; 94 95 sc->sc_mii.mii_ifp = ifp; 96 sc->sc_mii.mii_readreg = ax88190_mii_readreg; 97 sc->sc_mii.mii_writereg = ax88190_mii_writereg; 98 sc->sc_mii.mii_statchg = ax88190_mii_statchg; 99 ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, dp8390_mediachange, 100 dp8390_mediastatus); 101 102 mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 103 MII_OFFSET_ANY, 0); 104 105 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 106 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, 107 NULL); 108 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 109 } else 110 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 111 } 112 113 void 114 ax88190_media_fini(struct dp8390_softc *sc) 115 { 116 117 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 118 } 119 120 int 121 ax88190_mediachange(struct dp8390_softc *sc) 122 { 123 int rc; 124 125 if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) 126 return 0; 127 return rc; 128 } 129 130 void 131 ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 132 { 133 134 mii_pollstat(&sc->sc_mii); 135 ifmr->ifm_status = sc->sc_mii.mii_media_status; 136 ifmr->ifm_active = sc->sc_mii.mii_media_active; 137 } 138 139 void 140 ax88190_init_card(struct dp8390_softc *sc) 141 { 142 143 mii_mediachg(&sc->sc_mii); 144 } 145 146 void 147 ax88190_stop_card(struct dp8390_softc *sc) 148 { 149 150 mii_down(&sc->sc_mii); 151 } 152 153 static u_int32_t 154 ax88190_mii_bitbang_read(device_t self) 155 { 156 struct ne2000_softc *sc = device_private(self); 157 158 return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR)); 159 } 160 161 static void 162 ax88190_mii_bitbang_write(device_t self, uint32_t val) 163 { 164 struct ne2000_softc *sc = device_private(self); 165 166 bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val); 167 } 168 169 static int 170 ax88190_mii_readreg(device_t self, int phy, int reg) 171 { 172 173 return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg)); 174 } 175 176 static void 177 ax88190_mii_writereg(device_t self, int phy, int reg, int val) 178 { 179 180 mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val); 181 } 182 183 static void 184 ax88190_mii_statchg(device_t self) 185 { 186 187 /* XXX */ 188 } 189