if_sn_nubus.c revision 1.18
1 /* $NetBSD: if_sn_nubus.c,v 1.18 1998/05/02 16:45:30 scottr Exp $ */ 2 3 /* 4 * Copyright (C) 1997 Allen Briggs 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Allen Briggs 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/param.h> 34 #include <sys/device.h> 35 #include <sys/errno.h> 36 #include <sys/ioctl.h> 37 #include <sys/socket.h> 38 #include <sys/syslog.h> 39 #include <sys/systm.h> 40 41 #include <net/if.h> 42 #include <net/if_ether.h> 43 44 #if 0 /* XXX this shouldn't be necessary; else reinsert */ 45 #ifdef INET 46 #include <netinet/in.h> 47 #include <netinet/if_inarp.h> 48 #endif 49 #endif 50 51 #include <machine/bus.h> 52 #include <machine/viareg.h> 53 54 #include <mac68k/nubus/nubus.h> 55 #include <mac68k/dev/if_snreg.h> 56 #include <mac68k/dev/if_snvar.h> 57 58 static int sn_nubus_match __P((struct device *, struct cfdata *, void *)); 59 static void sn_nubus_attach __P((struct device *, struct device *, void *)); 60 static int sn_nb_card_vendor __P((bus_space_tag_t, bus_space_handle_t, 61 struct nubus_attach_args *)); 62 63 struct cfattach sn_nubus_ca = { 64 sizeof(struct sn_softc), sn_nubus_match, sn_nubus_attach 65 }; 66 67 68 static int 69 sn_nubus_match(parent, cf, aux) 70 struct device *parent; 71 struct cfdata *cf; 72 void *aux; 73 { 74 struct nubus_attach_args *na = (struct nubus_attach_args *) aux; 75 bus_space_handle_t bsh; 76 int rv; 77 78 if (bus_space_map(na->na_tag, 79 NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) 80 return (0); 81 82 rv = 0; 83 84 if (na->category == NUBUS_CATEGORY_NETWORK && 85 na->type == NUBUS_TYPE_ETHERNET) { 86 switch (sn_nb_card_vendor(na->na_tag, bsh, na)) { 87 default: 88 break; 89 90 case SN_VENDOR_APPLE: 91 case SN_VENDOR_APPLE16: 92 case SN_VENDOR_DAYNA: 93 rv = 1; 94 break; 95 } 96 } 97 98 bus_space_unmap(na->na_tag, bsh, NBMEMSIZE); 99 100 return rv; 101 } 102 103 /* 104 * Install interface into kernel networking data structures 105 */ 106 static void 107 sn_nubus_attach(parent, self, aux) 108 struct device *parent, *self; 109 void *aux; 110 { 111 struct sn_softc *sc = (void *)self; 112 struct nubus_attach_args *na = (struct nubus_attach_args *)aux; 113 int i, success, offset; 114 bus_space_tag_t bst; 115 bus_space_handle_t bsh, tmp_bsh; 116 u_int8_t myaddr[ETHER_ADDR_LEN]; 117 118 (void)(&offset); /* Work around lame gcc initialization bug */ 119 120 bst = na->na_tag; 121 if (bus_space_map(bst, NUBUS_SLOT2PA(na->slot), NBMEMSIZE, 0, &bsh)) { 122 printf(": failed to map memory space.\n"); 123 return; 124 } 125 126 sc->sc_regt = bst; 127 128 success = 0; 129 130 sc->slotno = na->slot; 131 132 switch (sn_nb_card_vendor(bst, bsh, na)) { 133 case SN_VENDOR_DAYNA: 134 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | 135 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 136 sc->snr_dcr2 = 0; 137 sc->bitmode = 1; /* 32 bit card */ 138 139 if (bus_space_subregion(bst, bsh, 140 0x00180000, SN_REGSIZE, &sc->sc_regh)) { 141 printf(": failed to map register space.\n"); 142 break; 143 } 144 145 if (bus_space_subregion(bst, bsh, 146 0x00ffe004, ETHER_ADDR_LEN, &tmp_bsh)) { 147 printf(": failed to map ROM space.\n"); 148 break; 149 } 150 151 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 152 153 offset = 2; 154 success = 1; 155 break; 156 157 case SN_VENDOR_APPLE: 158 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | 159 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 160 sc->snr_dcr2 = 0; 161 sc->bitmode = 1; /* 32 bit card */ 162 163 if (bus_space_subregion(bst, bsh, 164 0x0, SN_REGSIZE, &sc->sc_regh)) { 165 printf(": failed to map register space.\n"); 166 break; 167 } 168 169 if (bus_space_subregion(bst, bsh, 170 0x40000, ETHER_ADDR_LEN, &tmp_bsh)) { 171 printf(": failed to map ROM space.\n"); 172 break; 173 } 174 175 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 176 177 offset = 0; 178 success = 1; 179 break; 180 181 case SN_VENDOR_APPLE16: 182 sc->snr_dcr = DCR_ASYNC | DCR_WAIT0 | DCR_EXBUS | 183 DCR_DMABLOCK | DCR_PO1 | DCR_RFT16 | DCR_TFT16; 184 sc->snr_dcr2 = 0; 185 sc->bitmode = 0; /* 16 bit card */ 186 187 if (bus_space_subregion(bst, bsh, 188 0x0, SN_REGSIZE, &sc->sc_regh)) { 189 printf(": failed to map register space.\n"); 190 break; 191 } 192 193 if (bus_space_subregion(bst, bsh, 194 0x40000, ETHER_ADDR_LEN, &tmp_bsh)) { 195 printf(": failed to map ROM space.\n"); 196 break; 197 } 198 199 sn_get_enaddr(bst, tmp_bsh, 0, myaddr); 200 201 offset = 0; 202 success = 1; 203 break; 204 205 default: 206 /* 207 * You can't actually get this default, the snmatch 208 * will fail for unknown hardware. If you're adding support 209 * for a new card, the following defaults are a 210 * good starting point. 211 */ 212 sc->snr_dcr = DCR_SYNC | DCR_WAIT0 | DCR_DW32 | 213 DCR_DMABLOCK | DCR_RFT16 | DCR_TFT16; 214 sc->snr_dcr2 = 0; 215 success = 0; 216 printf(": unknown card: attachment incomplete.\n"); 217 } 218 219 if (!success) { 220 bus_space_unmap(bst, bsh, NBMEMSIZE); 221 return; 222 } 223 224 /* Regs are addressed as words, big endian. */ 225 for (i = 0; i < SN_NREGS; i++) { 226 sc->sc_reg_map[i] = (bus_size_t)((i * 4) + offset); 227 } 228 229 /* snsetup returns 1 if something fails */ 230 if (snsetup(sc, myaddr)) { 231 bus_space_unmap(bst, bsh, NBMEMSIZE); 232 return; 233 } 234 235 add_nubus_intr(sc->slotno, snintr, (void *)sc); 236 237 return; 238 } 239 240 static int 241 sn_nb_card_vendor(bst, bsh, na) 242 bus_space_tag_t bst; 243 bus_space_handle_t bsh; 244 struct nubus_attach_args *na; 245 { 246 int vendor = SN_VENDOR_UNKNOWN; 247 248 switch (na->drsw) { 249 case NUBUS_DRSW_3COM: 250 if (na->drhw == NUBUS_DRHW_APPLE_SNT) 251 vendor = SN_VENDOR_APPLE; 252 else if (na->drhw == NUBUS_DRHW_APPLE_SN) 253 vendor = SN_VENDOR_APPLE16; 254 break; 255 case NUBUS_DRSW_APPLE: 256 case NUBUS_DRSW_TECHWORKS: 257 vendor = SN_VENDOR_APPLE; 258 break; 259 case NUBUS_DRSW_GATOR: 260 if (na->drhw == NUBUS_DRHW_KINETICS && 261 strncmp(nubus_get_card_name(bst, bsh, na->fmt), 262 "EtherPort", 9) != 0) 263 vendor = SN_VENDOR_DAYNA; 264 break; 265 case NUBUS_DRSW_DAYNA: 266 vendor = SN_VENDOR_DAYNA; 267 break; 268 } 269 270 return vendor; 271 } 272
Indexes created Fri Oct 03 02:09:57 GMT 2025