dl10019.c revision 1.3
1 /* $NetBSD: dl10019.c,v 1.3 2001/06/12 22:32:50 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 "bpfilter.h" 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/mbuf.h> 44 #include <sys/syslog.h> 45 #include <sys/socket.h> 46 #include <sys/device.h> 47 48 #include <net/if.h> 49 #include <net/if_ether.h> 50 #include <net/if_media.h> 51 52 #include <machine/bus.h> 53 #include <machine/intr.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 /* 73 * MII bit-bang glue. 74 */ 75 u_int32_t dl10019_mii_bitbang_read(struct device *); 76 void dl10019_mii_bitbang_write(struct device *, u_int32_t); 77 78 const struct mii_bitbang_ops dl10019_mii_bitbang_ops = { 79 dl10019_mii_bitbang_read, 80 dl10019_mii_bitbang_write, 81 { 82 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 83 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 84 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 85 DL0_19_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 86 0, /* MII_BIT_DIR_PHY_HOST */ 87 } 88 }; 89 90 const struct mii_bitbang_ops dl10022_mii_bitbang_ops = { 91 dl10019_mii_bitbang_read, 92 dl10019_mii_bitbang_write, 93 { 94 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 95 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 96 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 97 DL0_22_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 98 0, /* MII_BIT_DIR_PHY_HOST */ 99 } 100 }; 101 102 static void 103 dl10019_mii_reset(struct dp8390_softc *sc) 104 { 105 struct ne2000_softc *nsc = (void *) sc; 106 int i; 107 108 if (nsc->sc_type != NE2000_TYPE_DL10022) 109 return; 110 111 for (i = 0; i < 2; i++) { 112 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 113 0x08); 114 delay(1); 115 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 116 0x0c); 117 delay(1); 118 } 119 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 0x00); 120 } 121 122 void 123 dl10019_media_init(struct dp8390_softc *sc) 124 { 125 struct ifnet *ifp = &sc->sc_ec.ec_if; 126 127 sc->sc_mii.mii_ifp = ifp; 128 sc->sc_mii.mii_readreg = dl10019_mii_readreg; 129 sc->sc_mii.mii_writereg = dl10019_mii_writereg; 130 sc->sc_mii.mii_statchg = dl10019_mii_statchg; 131 ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange, 132 dp8390_mediastatus); 133 134 dl10019_mii_reset(sc); 135 136 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 137 MII_OFFSET_ANY, 0); 138 139 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 140 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 141 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 142 } else 143 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 144 } 145 146 void 147 dl10019_media_fini(struct dp8390_softc *sc) 148 { 149 150 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 151 } 152 153 int 154 dl10019_mediachange(struct dp8390_softc *sc) 155 { 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 { 164 165 mii_pollstat(&sc->sc_mii); 166 ifmr->ifm_status = sc->sc_mii.mii_media_status; 167 ifmr->ifm_active = sc->sc_mii.mii_media_active; 168 } 169 170 void 171 dl10019_init_card(struct dp8390_softc *sc) 172 { 173 174 dl10019_mii_reset(sc); 175 mii_mediachg(&sc->sc_mii); 176 } 177 178 void 179 dl10019_stop_card(struct dp8390_softc *sc) 180 { 181 182 mii_down(&sc->sc_mii); 183 } 184 185 u_int32_t 186 dl10019_mii_bitbang_read(struct device *self) 187 { 188 struct dp8390_softc *sc = (void *) self; 189 190 /* We're already in Page 0. */ 191 return (bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO) & 192 ~DL0_GPIO_PRESERVE); 193 } 194 195 void 196 dl10019_mii_bitbang_write(struct device *self, u_int32_t val) 197 { 198 struct dp8390_softc *sc = (void *) self; 199 u_int8_t gpio; 200 201 /* We're already in Page 0. */ 202 gpio = bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO); 203 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 204 (val & ~DL0_GPIO_PRESERVE) | (gpio & DL0_GPIO_PRESERVE)); 205 } 206 207 int 208 dl10019_mii_readreg(struct device *self, int phy, int reg) 209 { 210 struct ne2000_softc *nsc = (void *) self; 211 const struct mii_bitbang_ops *ops; 212 int val; 213 214 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 215 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 216 217 val = mii_bitbang_readreg(self, &dl10019_mii_bitbang_ops, phy, reg); 218 219 return (val); 220 } 221 222 void 223 dl10019_mii_writereg(struct device *self, int phy, int reg, int val) 224 { 225 struct ne2000_softc *nsc = (void *) self; 226 const struct mii_bitbang_ops *ops; 227 228 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 229 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 230 231 mii_bitbang_writereg(self, &dl10019_mii_bitbang_ops, phy, reg, val); 232 } 233 234 void 235 dl10019_mii_statchg(struct device *self) 236 { 237 struct dp8390_softc *sc = (void *) self; 238 struct ne2000_softc *nsc = (void *) self; 239 240 /* 241 * Disable collision detection on the DL10022 if 242 * we are on a full-duplex link. 243 */ 244 if (nsc->sc_type == NE2000_TYPE_DL10022) { 245 u_int8_t diag; 246 247 if (sc->sc_mii.mii_media_active & IFM_FDX) 248 diag = DL0_DIAG_NOCOLLDETECT; 249 else 250 diag = 0; 251 bus_space_write_1(sc->sc_regt, sc->sc_regh, 252 NEDL_DL0_DIAG, diag); 253 } 254 } 255
Indexes created Mon Oct 27 08:10:08 GMT 2025