1 /* $OpenBSD: dl10019.c,v 1.4 2008/06/26 05:42:15 ray Exp $ */ 2 /* $NetBSD$ */ 3 4 /*- 5 * Copyright (c) 2001 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. 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/param.h> 34 #include <sys/systm.h> 35 #include <sys/device.h> 36 #include <sys/mbuf.h> 37 #include <sys/socket.h> 38 #include <sys/syslog.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 45 #ifdef INET 46 #include <netinet/in.h> 47 #include <netinet/in_systm.h> 48 #include <netinet/in_var.h> 49 #include <netinet/ip.h> 50 #include <netinet/if_ether.h> 51 #endif 52 53 #include <machine/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/dl10019reg.h> 66 #include <dev/ic/dl10019var.h> 67 68 int dl10019_mii_readreg(struct device *, int, int); 69 void dl10019_mii_writereg(struct device *, int, int, int); 70 void dl10019_mii_statchg(struct device *); 71 72 void dl10019_mii_reset(struct dp8390_softc *); 73 74 /* 75 * MII bit-bang glue. 76 */ 77 u_int32_t dl10019_mii_bitbang_read(struct device *); 78 void dl10019_mii_bitbang_write(struct device *, u_int32_t); 79 80 const struct mii_bitbang_ops dl10019_mii_bitbang_ops = { 81 dl10019_mii_bitbang_read, 82 dl10019_mii_bitbang_write, 83 { 84 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 85 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 86 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 87 DL0_19_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 88 0, /* MII_BIT_DIR_PHY_HOST */ 89 } 90 }; 91 92 const struct mii_bitbang_ops dl10022_mii_bitbang_ops = { 93 dl10019_mii_bitbang_read, 94 dl10019_mii_bitbang_write, 95 { 96 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 97 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 98 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 99 DL0_22_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 100 0, /* MII_BIT_DIR_PHY_HOST */ 101 } 102 }; 103 104 void 105 dl10019_mii_reset(struct dp8390_softc *sc) 106 { 107 struct ne2000_softc *nsc = (void *) sc; 108 int i; 109 110 if (nsc->sc_type != NE2000_TYPE_DL10022) 111 return; 112 113 for (i = 0; i < 2; i++) { 114 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 115 0x08); 116 DELAY(1); 117 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 118 0x0c); 119 DELAY(1); 120 } 121 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 0x00); 122 } 123 124 void 125 dl10019_media_init(struct dp8390_softc *sc) 126 { 127 struct ifnet *ifp = &sc->sc_arpcom.ac_if; 128 129 sc->sc_mii.mii_ifp = ifp; 130 sc->sc_mii.mii_readreg = dl10019_mii_readreg; 131 sc->sc_mii.mii_writereg = dl10019_mii_writereg; 132 sc->sc_mii.mii_statchg = dl10019_mii_statchg; 133 ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange, 134 dp8390_mediastatus); 135 136 dl10019_mii_reset(sc); 137 138 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 139 MII_OFFSET_ANY, 0); 140 141 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 142 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 143 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 144 } else 145 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 146 } 147 148 void 149 dl10019_media_fini(struct dp8390_softc *sc) 150 { 151 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 152 } 153 154 int 155 dl10019_mediachange(struct dp8390_softc *sc) 156 { 157 mii_mediachg(&sc->sc_mii); 158 return (0); 159 } 160 161 void 162 dl10019_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 163 { 164 mii_pollstat(&sc->sc_mii); 165 ifmr->ifm_status = sc->sc_mii.mii_media_status; 166 ifmr->ifm_active = sc->sc_mii.mii_media_active; 167 } 168 169 void 170 dl10019_init_card(struct dp8390_softc *sc) 171 { 172 dl10019_mii_reset(sc); 173 mii_mediachg(&sc->sc_mii); 174 } 175 176 void 177 dl10019_stop_card(struct dp8390_softc *sc) 178 { 179 mii_down(&sc->sc_mii); 180 } 181 182 u_int32_t 183 dl10019_mii_bitbang_read(struct device *self) 184 { 185 struct dp8390_softc *sc = (void *) self; 186 187 /* We're already in Page 0. */ 188 return (bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO) & 189 ~DL0_GPIO_PRESERVE); 190 } 191 192 void 193 dl10019_mii_bitbang_write(struct device *self, u_int32_t val) 194 { 195 struct dp8390_softc *sc = (void *) self; 196 u_int8_t gpio; 197 198 /* We're already in Page 0. */ 199 gpio = bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO); 200 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 201 (val & ~DL0_GPIO_PRESERVE) | (gpio & DL0_GPIO_PRESERVE)); 202 } 203 204 int 205 dl10019_mii_readreg(struct device *self, int phy, int reg) 206 { 207 struct ne2000_softc *nsc = (void *) self; 208 const struct mii_bitbang_ops *ops; 209 210 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 211 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 212 213 return (mii_bitbang_readreg(self, ops, phy, reg)); 214 } 215 216 void 217 dl10019_mii_writereg(struct device *self, int phy, int reg, int val) 218 { 219 struct ne2000_softc *nsc = (void *) self; 220 const struct mii_bitbang_ops *ops; 221 222 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 223 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 224 225 mii_bitbang_writereg(self, ops, phy, reg, val); 226 } 227 228 void 229 dl10019_mii_statchg(struct device *self) 230 { 231 struct dp8390_softc *sc = (void *) self; 232 struct ne2000_softc *nsc = (void *) self; 233 234 /* 235 * Disable collision detection on the DL10022 if 236 * we are on a full-duplex link. 237 */ 238 if (nsc->sc_type == NE2000_TYPE_DL10022) { 239 u_int8_t diag; 240 241 if (sc->sc_mii.mii_media_active & IFM_FDX) 242 diag = DL0_DIAG_NOCOLLDETECT; 243 else 244 diag = 0; 245 bus_space_write_1(sc->sc_regt, sc->sc_regh, 246 NEDL_DL0_DIAG, diag); 247 } 248 } 249