if_le_isapnp.c revision 1.17
1 /* $NetBSD: if_le_isapnp.c,v 1.17 1999/03/22 10:00:11 mycroft 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 #include <dev/isapnp/isapnpdevs.h> 116 117 #include <dev/ic/lancereg.h> 118 #include <dev/ic/lancevar.h> 119 #include <dev/ic/am7990reg.h> 120 #include <dev/ic/am7990var.h> 121 #include <dev/isapnp/if_levar.h> 122 123 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 124 void le_isapnp_attach __P((struct device *, struct device *, void *)); 125 126 struct cfattach le_isapnp_ca = { 127 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 128 }; 129 130 int le_isapnp_intredge __P((void *)); 131 static void le_isapnp_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 132 static u_int16_t le_isapnp_rdcsr __P((struct lance_softc *, u_int16_t)); 133 134 135 #define LE_ISAPNP_MEMSIZE 16384 136 137 static void 138 le_isapnp_wrcsr(sc, port, val) 139 struct lance_softc *sc; 140 u_int16_t port, val; 141 { 142 struct le_softc *lesc = (struct le_softc *)sc; 143 bus_space_tag_t iot = lesc->sc_iot; 144 bus_space_handle_t ioh = lesc->sc_ioh; 145 146 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 147 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 148 } 149 150 static u_int16_t 151 le_isapnp_rdcsr(sc, port) 152 struct lance_softc *sc; 153 u_int16_t port; 154 { 155 struct le_softc *lesc = (struct le_softc *)sc; 156 bus_space_tag_t iot = lesc->sc_iot; 157 bus_space_handle_t ioh = lesc->sc_ioh; 158 u_int16_t val; 159 160 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 161 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 162 return (val); 163 } 164 165 int 166 le_isapnp_match(parent, match, aux) 167 struct device *parent; 168 struct cfdata *match; 169 void *aux; 170 { 171 int pri, variant; 172 173 pri = isapnp_devmatch(aux, &isapnp_le_devinfo, &variant); 174 if (pri && variant > 0) 175 pri = 0; 176 return (pri); 177 } 178 179 void 180 le_isapnp_attach(parent, self, aux) 181 struct device *parent, *self; 182 void *aux; 183 { 184 struct le_softc *lesc = (void *)self; 185 struct lance_softc *sc = &lesc->sc_am7990.lsc; 186 struct isapnp_attach_args *ipa = aux; 187 bus_space_tag_t iot; 188 bus_space_handle_t ioh; 189 bus_dma_tag_t dmat; 190 bus_dma_segment_t seg; 191 int i, rseg, error; 192 193 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 194 printf("%s: error in region allocation\n", 195 sc->sc_dev.dv_xname); 196 return; 197 } 198 199 lesc->sc_iot = iot = ipa->ipa_iot; 200 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 201 lesc->sc_dmat = dmat = ipa->ipa_dmat; 202 203 lesc->sc_rap = PCNET_RAP; 204 lesc->sc_rdp = PCNET_RDP; 205 206 /* 207 * Extract the physical MAC address from the ROM. 208 */ 209 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 210 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 211 212 /* 213 * Allocate a DMA area for the card. 214 */ 215 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, NBPG, 0, &seg, 1, 216 &rseg, BUS_DMA_NOWAIT)) { 217 printf("%s: couldn't allocate memory for card\n", 218 sc->sc_dev.dv_xname); 219 return; 220 } 221 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 222 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 223 printf("%s: couldn't map memory for card\n", 224 sc->sc_dev.dv_xname); 225 return; 226 } 227 228 /* 229 * Create and load the DMA map for the DMA area. 230 */ 231 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 232 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 233 printf("%s: couldn't create DMA map\n", 234 sc->sc_dev.dv_xname); 235 bus_dmamem_free(dmat, &seg, rseg); 236 return; 237 } 238 if (bus_dmamap_load(dmat, lesc->sc_dmam, 239 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 240 printf("%s: coundn't load DMA map\n", 241 sc->sc_dev.dv_xname); 242 bus_dmamem_free(dmat, &seg, rseg); 243 return; 244 } 245 246 sc->sc_conf3 = 0; 247 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 248 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 249 250 sc->sc_copytodesc = lance_copytobuf_contig; 251 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 252 sc->sc_copytobuf = lance_copytobuf_contig; 253 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 254 sc->sc_zerobuf = lance_zerobuf_contig; 255 256 sc->sc_rdcsr = le_isapnp_rdcsr; 257 sc->sc_wrcsr = le_isapnp_wrcsr; 258 sc->sc_hwinit = NULL; 259 260 if (ipa->ipa_ndrq > 0) { 261 if ((error = isa_dmacascade(ipa->ipa_ic, 262 ipa->ipa_drq[0].num)) != 0) { 263 printf("%s: unable to cascade DRQ, error = %d\n", 264 sc->sc_dev.dv_xname, error); 265 return; 266 } 267 } 268 269 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 270 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 271 272 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 273 ipa->ipa_devclass); 274 am7990_config(&lesc->sc_am7990); 275 } 276 277 278 /* 279 * Controller interrupt. 280 */ 281 int 282 le_isapnp_intredge(arg) 283 void *arg; 284 { 285 286 if (am7990_intr(arg) == 0) 287 return (0); 288 for (;;) 289 if (am7990_intr(arg) == 0) 290 return (1); 291 } 292
Indexes created Mon Sep 29 21:09:56 GMT 2025