dl10019.c revision 1.1.2.2
1 /* $NetBSD: dl10019.c,v 1.1.2.2 2001/08/24 00:09:20 nathanw 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 <sys/param.h> 40 #include <sys/systm.h> 41 #include <sys/mbuf.h> 42 #include <sys/syslog.h> 43 #include <sys/socket.h> 44 #include <sys/device.h> 45 46 #include <net/if.h> 47 #include <net/if_ether.h> 48 #include <net/if_media.h> 49 50 #include <machine/bus.h> 51 #include <machine/intr.h> 52 53 #include <dev/mii/miivar.h> 54 #include <dev/mii/mii.h> 55 #include <dev/mii/mii_bitbang.h> 56 57 #include <dev/ic/dp8390reg.h> 58 #include <dev/ic/dp8390var.h> 59 60 #include <dev/ic/ne2000reg.h> 61 #include <dev/ic/ne2000var.h> 62 63 #include <dev/ic/dl10019reg.h> 64 #include <dev/ic/dl10019var.h> 65 66 int dl10019_mii_readreg(struct device *, int, int); 67 void dl10019_mii_writereg(struct device *, int, int, int); 68 void dl10019_mii_statchg(struct device *); 69 70 /* 71 * MII bit-bang glue. 72 */ 73 u_int32_t dl10019_mii_bitbang_read(struct device *); 74 void dl10019_mii_bitbang_write(struct device *, u_int32_t); 75 76 const struct mii_bitbang_ops dl10019_mii_bitbang_ops = { 77 dl10019_mii_bitbang_read, 78 dl10019_mii_bitbang_write, 79 { 80 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 81 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 82 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 83 DL0_19_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 84 0, /* MII_BIT_DIR_PHY_HOST */ 85 } 86 }; 87 88 const struct mii_bitbang_ops dl10022_mii_bitbang_ops = { 89 dl10019_mii_bitbang_read, 90 dl10019_mii_bitbang_write, 91 { 92 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 93 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 94 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 95 DL0_22_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 96 0, /* MII_BIT_DIR_PHY_HOST */ 97 } 98 }; 99 100 static void 101 dl10019_mii_reset(struct dp8390_softc *sc) 102 { 103 struct ne2000_softc *nsc = (void *) sc; 104 int i; 105 106 if (nsc->sc_type != NE2000_TYPE_DL10022) 107 return; 108 109 for (i = 0; i < 2; i++) { 110 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 111 0x08); 112 delay(1); 113 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 114 0x0c); 115 delay(1); 116 } 117 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 0x00); 118 } 119 120 void 121 dl10019_media_init(struct dp8390_softc *sc) 122 { 123 struct ifnet *ifp = &sc->sc_ec.ec_if; 124 125 sc->sc_mii.mii_ifp = ifp; 126 sc->sc_mii.mii_readreg = dl10019_mii_readreg; 127 sc->sc_mii.mii_writereg = dl10019_mii_writereg; 128 sc->sc_mii.mii_statchg = dl10019_mii_statchg; 129 ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange, 130 dp8390_mediastatus); 131 132 dl10019_mii_reset(sc); 133 134 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 135 MII_OFFSET_ANY, 0); 136 137 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 138 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 139 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 140 } else 141 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 142 } 143 144 void 145 dl10019_media_fini(struct dp8390_softc *sc) 146 { 147 148 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 149 } 150 151 int 152 dl10019_mediachange(struct dp8390_softc *sc) 153 { 154 155 mii_mediachg(&sc->sc_mii); 156 return (0); 157 } 158 159 void 160 dl10019_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 161 { 162 163 mii_pollstat(&sc->sc_mii); 164 ifmr->ifm_status = sc->sc_mii.mii_media_status; 165 ifmr->ifm_active = sc->sc_mii.mii_media_active; 166 } 167 168 void 169 dl10019_init_card(struct dp8390_softc *sc) 170 { 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 { 179 180 mii_down(&sc->sc_mii); 181 } 182 183 u_int32_t 184 dl10019_mii_bitbang_read(struct device *self) 185 { 186 struct dp8390_softc *sc = (void *) self; 187 188 /* We're already in Page 0. */ 189 return (bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO) & 190 ~DL0_GPIO_PRESERVE); 191 } 192 193 void 194 dl10019_mii_bitbang_write(struct device *self, u_int32_t val) 195 { 196 struct dp8390_softc *sc = (void *) self; 197 u_int8_t gpio; 198 199 /* We're already in Page 0. */ 200 gpio = bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO); 201 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 202 (val & ~DL0_GPIO_PRESERVE) | (gpio & DL0_GPIO_PRESERVE)); 203 } 204 205 int 206 dl10019_mii_readreg(struct device *self, int phy, int reg) 207 { 208 struct ne2000_softc *nsc = (void *) self; 209 const struct mii_bitbang_ops *ops; 210 int val; 211 212 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 213 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 214 215 val = mii_bitbang_readreg(self, ops, phy, reg); 216 217 return (val); 218 } 219 220 void 221 dl10019_mii_writereg(struct device *self, int phy, int reg, int val) 222 { 223 struct ne2000_softc *nsc = (void *) self; 224 const struct mii_bitbang_ops *ops; 225 226 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 227 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 228 229 mii_bitbang_writereg(self, ops, phy, reg, val); 230 } 231 232 void 233 dl10019_mii_statchg(struct device *self) 234 { 235 struct dp8390_softc *sc = (void *) self; 236 struct ne2000_softc *nsc = (void *) self; 237 238 /* 239 * Disable collision detection on the DL10022 if 240 * we are on a full-duplex link. 241 */ 242 if (nsc->sc_type == NE2000_TYPE_DL10022) { 243 u_int8_t diag; 244 245 if (sc->sc_mii.mii_media_active & IFM_FDX) 246 diag = DL0_DIAG_NOCOLLDETECT; 247 else 248 diag = 0; 249 bus_space_write_1(sc->sc_regt, sc->sc_regh, 250 NEDL_DL0_DIAG, diag); 251 } 252 } 253
Indexes created Tue Oct 28 02:10:10 GMT 2025