if_le_isapnp.c revision 1.14
1 /* $NetBSD: if_le_isapnp.c,v 1.14 1998/07/21 17:36:06 drochner Exp $ */ 2 3 /*- 4 * Copyright (c) 1997 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 of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center. 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 /* 41 * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> and 42 * Matthias Drochner. All rights reserved. 43 * 44 * Redistribution and use in source and binary forms, with or without 45 * modification, are permitted provided that the following conditions 46 * are met: 47 * 1. Redistributions of source code must retain the above copyright 48 * notice, this list of conditions and the following disclaimer. 49 * 2. Redistributions in binary form must reproduce the above copyright 50 * notice, this list of conditions and the following disclaimer in the 51 * documentation and/or other materials provided with the distribution. 52 * 3. All advertising materials mentioning features or use of this software 53 * must display the following acknowledgement: 54 * This product includes software developed by Jonathan Stone. 55 * 4. The name of the author may not be used to endorse or promote products 56 * derived from this software without specific prior written permission. 57 * 58 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 59 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 60 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 61 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 62 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 63 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 64 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 65 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 66 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 67 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 68 */ 69 70 #include "opt_inet.h" 71 #include "opt_ns.h" 72 #include "bpfilter.h" 73 74 #include <sys/param.h> 75 #include <sys/systm.h> 76 #include <sys/mbuf.h> 77 #include <sys/socket.h> 78 #include <sys/ioctl.h> 79 #include <sys/errno.h> 80 #include <sys/syslog.h> 81 #include <sys/select.h> 82 #include <sys/device.h> 83 84 #include <net/if.h> 85 #include <net/if_dl.h> 86 #include <net/if_ether.h> 87 #include <net/if_media.h> 88 89 #ifdef INET 90 #include <netinet/in.h> 91 #include <netinet/in_systm.h> 92 #include <netinet/in_var.h> 93 #include <netinet/ip.h> 94 #endif 95 96 #ifdef NS 97 #include <netns/ns.h> 98 #include <netns/ns_if.h> 99 #endif 100 101 #if NBPFILTER > 0 102 #include <net/bpf.h> 103 #include <net/bpfdesc.h> 104 #endif 105 106 #include <machine/cpu.h> 107 #include <machine/bus.h> 108 #include <machine/intr.h> 109 110 #include <dev/isa/isavar.h> 111 #include <dev/isa/isadmavar.h> 112 113 #include <dev/isapnp/isapnpreg.h> 114 #include <dev/isapnp/isapnpvar.h> 115 116 #include <dev/ic/lancereg.h> 117 #include <dev/ic/lancevar.h> 118 #include <dev/ic/am7990reg.h> 119 #include <dev/ic/am7990var.h> 120 #include <dev/isapnp/if_levar.h> 121 122 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 123 void le_isapnp_attach __P((struct device *, struct device *, void *)); 124 125 struct cfattach le_isapnp_ca = { 126 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 127 }; 128 129 int le_isapnp_intredge __P((void *)); 130 static void le_isapnp_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 131 static u_int16_t le_isapnp_rdcsr __P((struct lance_softc *, u_int16_t)); 132 133 134 /* 135 * Names accepted by the match routine. 136 */ 137 static char *if_le_isapnp_devnames[] = { 138 "TKN0010", 139 0 140 }; 141 142 #define LE_ISAPNP_MEMSIZE 16384 143 144 static void 145 le_isapnp_wrcsr(sc, port, val) 146 struct lance_softc *sc; 147 u_int16_t port, val; 148 { 149 struct le_softc *lesc = (struct le_softc *)sc; 150 bus_space_tag_t iot = lesc->sc_iot; 151 bus_space_handle_t ioh = lesc->sc_ioh; 152 153 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 154 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 155 } 156 157 static u_int16_t 158 le_isapnp_rdcsr(sc, port) 159 struct lance_softc *sc; 160 u_int16_t port; 161 { 162 struct le_softc *lesc = (struct le_softc *)sc; 163 bus_space_tag_t iot = lesc->sc_iot; 164 bus_space_handle_t ioh = lesc->sc_ioh; 165 u_int16_t val; 166 167 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 168 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 169 return (val); 170 } 171 172 int 173 le_isapnp_match(parent, match, aux) 174 struct device *parent; 175 struct cfdata *match; 176 void *aux; 177 { 178 struct isapnp_attach_args *ipa = aux; 179 char **card_name = &if_le_isapnp_devnames[0]; 180 181 while (*card_name) 182 if(!strcmp(ipa->ipa_devlogic, *card_name++)) 183 return(1); 184 185 return (0); 186 } 187 188 void 189 le_isapnp_attach(parent, self, aux) 190 struct device *parent, *self; 191 void *aux; 192 { 193 struct le_softc *lesc = (void *)self; 194 struct lance_softc *sc = &lesc->sc_am7990.lsc; 195 struct isapnp_attach_args *ipa = aux; 196 bus_space_tag_t iot; 197 bus_space_handle_t ioh; 198 bus_dma_tag_t dmat; 199 bus_dma_segment_t seg; 200 int i, rseg, error; 201 202 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 203 printf("%s: error in region allocation\n", 204 sc->sc_dev.dv_xname); 205 return; 206 } 207 208 lesc->sc_iot = iot = ipa->ipa_iot; 209 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 210 lesc->sc_dmat = dmat = ipa->ipa_dmat; 211 212 lesc->sc_rap = PCNET_RAP; 213 lesc->sc_rdp = PCNET_RDP; 214 215 /* 216 * Extract the physical MAC address from the ROM. 217 */ 218 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 219 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 220 221 /* 222 * Allocate a DMA area for the card. 223 */ 224 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, NBPG, 0, &seg, 1, 225 &rseg, BUS_DMA_NOWAIT)) { 226 printf("%s: couldn't allocate memory for card\n", 227 sc->sc_dev.dv_xname); 228 return; 229 } 230 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 231 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 232 printf("%s: couldn't map memory for card\n", 233 sc->sc_dev.dv_xname); 234 return; 235 } 236 237 /* 238 * Create and load the DMA map for the DMA area. 239 */ 240 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 241 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 242 printf("%s: couldn't create DMA map\n", 243 sc->sc_dev.dv_xname); 244 bus_dmamem_free(dmat, &seg, rseg); 245 return; 246 } 247 if (bus_dmamap_load(dmat, lesc->sc_dmam, 248 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 249 printf("%s: coundn't load DMA map\n", 250 sc->sc_dev.dv_xname); 251 bus_dmamem_free(dmat, &seg, rseg); 252 return; 253 } 254 255 sc->sc_conf3 = 0; 256 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 257 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 258 259 sc->sc_copytodesc = lance_copytobuf_contig; 260 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 261 sc->sc_copytobuf = lance_copytobuf_contig; 262 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 263 sc->sc_zerobuf = lance_zerobuf_contig; 264 265 sc->sc_rdcsr = le_isapnp_rdcsr; 266 sc->sc_wrcsr = le_isapnp_wrcsr; 267 sc->sc_hwinit = NULL; 268 269 if (ipa->ipa_ndrq > 0) { 270 if ((error = isa_dmacascade(ipa->ipa_ic, 271 ipa->ipa_drq[0].num)) != 0) { 272 printf("%s: unable to cascade DRQ, error = %d\n", 273 sc->sc_dev.dv_xname, error); 274 return; 275 } 276 } 277 278 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 279 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 280 281 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 282 ipa->ipa_devclass); 283 am7990_config(&lesc->sc_am7990); 284 } 285 286 287 /* 288 * Controller interrupt. 289 */ 290 int 291 le_isapnp_intredge(arg) 292 void *arg; 293 { 294 295 if (am7990_intr(arg) == 0) 296 return (0); 297 for (;;) 298 if (am7990_intr(arg) == 0) 299 return (1); 300 } 301
Indexes created Mon Sep 29 21:09:56 GMT 2025