| 1 | /* $NetBSD: ax88190.c,v 1.12 2012/07/22 14:32:56 matt 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 1.12 2012/07/22 14:32:56 matt 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); |
| 62 | static void ax88190_mii_writereg(device_t, int, int, int); |
| 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 | void |
| 84 | ax88190_media_init(struct dp8390_softc *sc) |
| 85 | { |
| 86 | struct ifnet *ifp = &sc->sc_ec.ec_if; |
| 87 | |
| 88 | sc->sc_mii.mii_ifp = ifp; |
| 89 | sc->sc_mii.mii_readreg = ax88190_mii_readreg; |
| 90 | sc->sc_mii.mii_writereg = ax88190_mii_writereg; |
| 91 | sc->sc_mii.mii_statchg = ax88190_mii_statchg; |
| 92 | ifmedia_init(&sc->sc_mii.mii_media, IFM_IMASK, dp8390_mediachange, |
| 93 | dp8390_mediastatus); |
| 94 | |
| 95 | mii_attach(sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, |
| 96 | MII_OFFSET_ANY, 0); |
| 97 | |
| 98 | if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { |
| 99 | ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, |
| 100 | NULL); |
| 101 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); |
| 102 | } else |
| 103 | ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); |
| 104 | } |
| 105 | |
| 106 | void |
| 107 | ax88190_media_fini(struct dp8390_softc *sc) |
| 108 | { |
| 109 | |
| 110 | mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); |
| 111 | } |
| 112 | |
| 113 | int |
| 114 | ax88190_mediachange(struct dp8390_softc *sc) |
| 115 | { |
| 116 | int rc; |
| 117 | |
| 118 | if ((rc = mii_mediachg(&sc->sc_mii)) == ENXIO) |
| 119 | return 0; |
| 120 | return rc; |
| 121 | } |
| 122 | |
| 123 | void |
| 124 | ax88190_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) |
| 125 | { |
| 126 | |
| 127 | mii_pollstat(&sc->sc_mii); |
| 128 | ifmr->ifm_status = sc->sc_mii.mii_media_status; |
| 129 | ifmr->ifm_active = sc->sc_mii.mii_media_active; |
| 130 | } |
| 131 | |
| 132 | void |
| 133 | ax88190_init_card(struct dp8390_softc *sc) |
| 134 | { |
| 135 | |
| 136 | mii_mediachg(&sc->sc_mii); |
| 137 | } |
| 138 | |
| 139 | void |
| 140 | ax88190_stop_card(struct dp8390_softc *sc) |
| 141 | { |
| 142 | |
| 143 | mii_down(&sc->sc_mii); |
| 144 | } |
| 145 | |
| 146 | static u_int32_t |
| 147 | ax88190_mii_bitbang_read(device_t self) |
| 148 | { |
| 149 | struct ne2000_softc *sc = device_private(self); |
| 150 | |
| 151 | return (bus_space_read_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR)); |
| 152 | } |
| 153 | |
| 154 | static void |
| 155 | ax88190_mii_bitbang_write(device_t self, uint32_t val) |
| 156 | { |
| 157 | struct ne2000_softc *sc = device_private(self); |
| 158 | |
| 159 | bus_space_write_1(sc->sc_asict, sc->sc_asich, AX88190_MEMR, val); |
| 160 | } |
| 161 | |
| 162 | static int |
| 163 | ax88190_mii_readreg(device_t self, int phy, int reg) |
| 164 | { |
| 165 | |
| 166 | return (mii_bitbang_readreg(self, &ax88190_mii_bitbang_ops, phy, reg)); |
| 167 | } |
| 168 | |
| 169 | static void |
| 170 | ax88190_mii_writereg(device_t self, int phy, int reg, int val) |
| 171 | { |
| 172 | |
| 173 | mii_bitbang_writereg(self, &ax88190_mii_bitbang_ops, phy, reg, val); |
| 174 | } |
| 175 | |
| 176 | static void |
| 177 | ax88190_mii_statchg(struct ifnet *ifp) |
| 178 | { |
| 179 | |
| 180 | /* XXX */ |
| 181 | } |
| 182 | |