dl10019.c revision 1.2
1 /* $NetBSD: dl10019.c,v 1.2 2001/06/03 04:39:52 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 Jason R. Thorpe. 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 "opt_inet.h" 40 #include "bpfilter.h" 41 42 #include <sys/param.h> 43 #include <sys/systm.h> 44 #include <sys/mbuf.h> 45 #include <sys/syslog.h> 46 #include <sys/socket.h> 47 #include <sys/device.h> 48 49 #include <net/if.h> 50 #include <net/if_ether.h> 51 #include <net/if_media.h> 52 53 #ifdef INET 54 #include <netinet/in.h> 55 #include <netinet/if_inarp.h> 56 #endif 57 58 #include <machine/bus.h> 59 #include <machine/intr.h> 60 61 #include <dev/mii/miivar.h> 62 #include <dev/mii/mii.h> 63 #include <dev/mii/mii_bitbang.h> 64 65 #include <dev/ic/dp8390reg.h> 66 #include <dev/ic/dp8390var.h> 67 68 #include <dev/ic/ne2000reg.h> 69 #include <dev/ic/ne2000var.h> 70 71 #include <dev/ic/dl10019reg.h> 72 #include <dev/ic/dl10019var.h> 73 74 int dl10019_mii_readreg(struct device *, int, int); 75 void dl10019_mii_writereg(struct device *, int, int, int); 76 void dl10019_mii_statchg(struct device *); 77 78 /* 79 * MII bit-bang glue. 80 */ 81 u_int32_t dl10019_mii_bitbang_read(struct device *); 82 void dl10019_mii_bitbang_write(struct device *, u_int32_t); 83 84 const struct mii_bitbang_ops dl10019_mii_bitbang_ops = { 85 dl10019_mii_bitbang_read, 86 dl10019_mii_bitbang_write, 87 { 88 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 89 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 90 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 91 DL0_19_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 92 0, /* MII_BIT_DIR_PHY_HOST */ 93 } 94 }; 95 96 const struct mii_bitbang_ops dl10022_mii_bitbang_ops = { 97 dl10019_mii_bitbang_read, 98 dl10019_mii_bitbang_write, 99 { 100 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 101 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 102 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 103 DL0_22_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 104 0, /* MII_BIT_DIR_PHY_HOST */ 105 } 106 }; 107 108 static void 109 dl10019_mii_reset(struct dp8390_softc *sc) 110 { 111 struct ne2000_softc *nsc = (void *) sc; 112 int i; 113 114 if (nsc->sc_type != NE2000_TYPE_DL10022) 115 return; 116 117 for (i = 0; i < 2; i++) { 118 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 119 0x08); 120 delay(1); 121 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 122 0x0c); 123 delay(1); 124 } 125 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 0x00); 126 } 127 128 void 129 dl10019_media_init(struct dp8390_softc *sc) 130 { 131 struct ifnet *ifp = &sc->sc_ec.ec_if; 132 133 sc->sc_mii.mii_ifp = ifp; 134 sc->sc_mii.mii_readreg = dl10019_mii_readreg; 135 sc->sc_mii.mii_writereg = dl10019_mii_writereg; 136 sc->sc_mii.mii_statchg = dl10019_mii_statchg; 137 ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange, 138 dp8390_mediastatus); 139 140 dl10019_mii_reset(sc); 141 142 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 143 MII_OFFSET_ANY, 0); 144 145 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 146 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 147 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 148 } else 149 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 150 } 151 152 void 153 dl10019_media_fini(struct dp8390_softc *sc) 154 { 155 156 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 157 } 158 159 int 160 dl10019_mediachange(struct dp8390_softc *sc) 161 { 162 163 mii_mediachg(&sc->sc_mii); 164 return (0); 165 } 166 167 void 168 dl10019_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 169 { 170 171 mii_pollstat(&sc->sc_mii); 172 ifmr->ifm_status = sc->sc_mii.mii_media_status; 173 ifmr->ifm_active = sc->sc_mii.mii_media_active; 174 } 175 176 void 177 dl10019_init_card(struct dp8390_softc *sc) 178 { 179 180 dl10019_mii_reset(sc); 181 mii_mediachg(&sc->sc_mii); 182 } 183 184 void 185 dl10019_stop_card(struct dp8390_softc *sc) 186 { 187 188 mii_down(&sc->sc_mii); 189 } 190 191 u_int32_t 192 dl10019_mii_bitbang_read(struct device *self) 193 { 194 struct dp8390_softc *sc = (void *) self; 195 196 /* We're already in Page 0. */ 197 return (bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO) & 198 ~DL0_GPIO_PRESERVE); 199 } 200 201 void 202 dl10019_mii_bitbang_write(struct device *self, u_int32_t val) 203 { 204 struct dp8390_softc *sc = (void *) self; 205 u_int8_t gpio; 206 207 /* We're already in Page 0. */ 208 gpio = bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO); 209 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 210 (val & ~DL0_GPIO_PRESERVE) | (gpio & DL0_GPIO_PRESERVE)); 211 } 212 213 int 214 dl10019_mii_readreg(struct device *self, int phy, int reg) 215 { 216 struct ne2000_softc *nsc = (void *) self; 217 const struct mii_bitbang_ops *ops; 218 int val; 219 220 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 221 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 222 223 val = mii_bitbang_readreg(self, &dl10019_mii_bitbang_ops, phy, reg); 224 225 return (val); 226 } 227 228 void 229 dl10019_mii_writereg(struct device *self, int phy, int reg, int val) 230 { 231 struct ne2000_softc *nsc = (void *) self; 232 const struct mii_bitbang_ops *ops; 233 234 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 235 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 236 237 mii_bitbang_writereg(self, &dl10019_mii_bitbang_ops, phy, reg, val); 238 } 239 240 void 241 dl10019_mii_statchg(struct device *self) 242 { 243 struct dp8390_softc *sc = (void *) self; 244 struct ne2000_softc *nsc = (void *) self; 245 246 /* 247 * Disable collision detection on the DL10022 if 248 * we are on a full-duplex link. 249 */ 250 if (nsc->sc_type == NE2000_TYPE_DL10022) { 251 u_int8_t diag; 252 253 if (sc->sc_mii.mii_media_active & IFM_FDX) 254 diag = DL0_DIAG_NOCOLLDETECT; 255 else 256 diag = 0; 257 bus_space_write_1(sc->sc_regt, sc->sc_regh, 258 NEDL_DL0_DIAG, diag); 259 } 260 } 261
Indexes created Thu Oct 30 03:10:01 GMT 2025