1 /* $OpenBSD: dl10019.c,v 1.2 2001/06/16 22:43:12 fgsch 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 * 3. All advertising materials mentioning features or use of this software 20 * must display the following acknowledgement: 21 * This product includes software developed by the NetBSD 22 * Foundation, Inc. and its contributors. 23 * 4. Neither the name of The NetBSD Foundation nor the names of its 24 * contributors may be used to endorse or promote products derived 25 * from this software without specific prior written permission. 26 * 27 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 * POSSIBILITY OF SUCH DAMAGE. 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 #include <sys/mbuf.h> 44 #include <sys/socket.h> 45 #include <sys/syslog.h> 46 47 #include <net/if.h> 48 #include <net/if_dl.h> 49 #include <net/if_types.h> 50 #include <net/if_media.h> 51 52 #ifdef INET 53 #include <netinet/in.h> 54 #include <netinet/in_systm.h> 55 #include <netinet/in_var.h> 56 #include <netinet/ip.h> 57 #include <netinet/if_ether.h> 58 #endif 59 60 #include <machine/bus.h> 61 #include <machine/intr.h> 62 63 #include <dev/mii/miivar.h> 64 #include <dev/mii/mii.h> 65 #include <dev/mii/mii_bitbang.h> 66 67 #include <dev/ic/dp8390reg.h> 68 #include <dev/ic/dp8390var.h> 69 70 #include <dev/ic/ne2000reg.h> 71 #include <dev/ic/ne2000var.h> 72 73 #include <dev/ic/dl10019reg.h> 74 #include <dev/ic/dl10019var.h> 75 76 int dl10019_mii_readreg(struct device *, int, int); 77 void dl10019_mii_writereg(struct device *, int, int, int); 78 void dl10019_mii_statchg(struct device *); 79 80 void dl10019_mii_reset(struct dp8390_softc *); 81 82 /* 83 * MII bit-bang glue. 84 */ 85 u_int32_t dl10019_mii_bitbang_read(struct device *); 86 void dl10019_mii_bitbang_write(struct device *, u_int32_t); 87 88 const struct mii_bitbang_ops dl10019_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_19_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 96 0, /* MII_BIT_DIR_PHY_HOST */ 97 } 98 }; 99 100 const struct mii_bitbang_ops dl10022_mii_bitbang_ops = { 101 dl10019_mii_bitbang_read, 102 dl10019_mii_bitbang_write, 103 { 104 DL0_GPIO_MII_DATAOUT, /* MII_BIT_MDO */ 105 DL0_GPIO_MII_DATAIN, /* MII_BIT_MDI */ 106 DL0_GPIO_MII_CLK, /* MII_BIT_MDC */ 107 DL0_22_GPIO_MII_DIROUT, /* MII_BIT_DIR_HOST_PHY */ 108 0, /* MII_BIT_DIR_PHY_HOST */ 109 } 110 }; 111 112 void 113 dl10019_mii_reset(struct dp8390_softc *sc) 114 { 115 struct ne2000_softc *nsc = (void *) sc; 116 int i; 117 118 if (nsc->sc_type != NE2000_TYPE_DL10022) 119 return; 120 121 for (i = 0; i < 2; i++) { 122 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 123 0x08); 124 DELAY(1); 125 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 126 0x0c); 127 DELAY(1); 128 } 129 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 0x00); 130 } 131 132 void 133 dl10019_media_init(struct dp8390_softc *sc) 134 { 135 struct ifnet *ifp = &sc->sc_arpcom.ac_if; 136 137 sc->sc_mii.mii_ifp = ifp; 138 sc->sc_mii.mii_readreg = dl10019_mii_readreg; 139 sc->sc_mii.mii_writereg = dl10019_mii_writereg; 140 sc->sc_mii.mii_statchg = dl10019_mii_statchg; 141 ifmedia_init(&sc->sc_mii.mii_media, 0, dp8390_mediachange, 142 dp8390_mediastatus); 143 144 dl10019_mii_reset(sc); 145 146 mii_attach(&sc->sc_dev, &sc->sc_mii, 0xffffffff, MII_PHY_ANY, 147 MII_OFFSET_ANY, 0); 148 149 if (LIST_FIRST(&sc->sc_mii.mii_phys) == NULL) { 150 ifmedia_add(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE, 0, NULL); 151 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_NONE); 152 } else 153 ifmedia_set(&sc->sc_mii.mii_media, IFM_ETHER|IFM_AUTO); 154 } 155 156 void 157 dl10019_media_fini(struct dp8390_softc *sc) 158 { 159 mii_detach(&sc->sc_mii, MII_PHY_ANY, MII_OFFSET_ANY); 160 } 161 162 int 163 dl10019_mediachange(struct dp8390_softc *sc) 164 { 165 mii_mediachg(&sc->sc_mii); 166 return (0); 167 } 168 169 void 170 dl10019_mediastatus(struct dp8390_softc *sc, struct ifmediareq *ifmr) 171 { 172 mii_pollstat(&sc->sc_mii); 173 ifmr->ifm_status = sc->sc_mii.mii_media_status; 174 ifmr->ifm_active = sc->sc_mii.mii_media_active; 175 } 176 177 void 178 dl10019_init_card(struct dp8390_softc *sc) 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 mii_down(&sc->sc_mii); 188 } 189 190 u_int32_t 191 dl10019_mii_bitbang_read(struct device *self) 192 { 193 struct dp8390_softc *sc = (void *) self; 194 195 /* We're already in Page 0. */ 196 return (bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO) & 197 ~DL0_GPIO_PRESERVE); 198 } 199 200 void 201 dl10019_mii_bitbang_write(struct device *self, u_int32_t val) 202 { 203 struct dp8390_softc *sc = (void *) self; 204 u_int8_t gpio; 205 206 /* We're already in Page 0. */ 207 gpio = bus_space_read_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO); 208 bus_space_write_1(sc->sc_regt, sc->sc_regh, NEDL_DL0_GPIO, 209 (val & ~DL0_GPIO_PRESERVE) | (gpio & DL0_GPIO_PRESERVE)); 210 } 211 212 int 213 dl10019_mii_readreg(struct device *self, int phy, int reg) 214 { 215 struct ne2000_softc *nsc = (void *) self; 216 const struct mii_bitbang_ops *ops; 217 218 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 219 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 220 221 return (mii_bitbang_readreg(self, ops, phy, reg)); 222 } 223 224 void 225 dl10019_mii_writereg(struct device *self, int phy, int reg, int val) 226 { 227 struct ne2000_softc *nsc = (void *) self; 228 const struct mii_bitbang_ops *ops; 229 230 ops = (nsc->sc_type == NE2000_TYPE_DL10022) ? 231 &dl10022_mii_bitbang_ops : &dl10019_mii_bitbang_ops; 232 233 mii_bitbang_writereg(self, ops, phy, reg, val); 234 } 235 236 void 237 dl10019_mii_statchg(struct device *self) 238 { 239 struct dp8390_softc *sc = (void *) self; 240 struct ne2000_softc *nsc = (void *) self; 241 242 /* 243 * Disable collision detection on the DL10022 if 244 * we are on a full-duplex link. 245 */ 246 if (nsc->sc_type == NE2000_TYPE_DL10022) { 247 u_int8_t diag; 248 249 if (sc->sc_mii.mii_media_active & IFM_FDX) 250 diag = DL0_DIAG_NOCOLLDETECT; 251 else 252 diag = 0; 253 bus_space_write_1(sc->sc_regt, sc->sc_regh, 254 NEDL_DL0_DIAG, diag); 255 } 256 } 257