if_le_isapnp.c revision 1.18
1 /* $NetBSD: if_le_isapnp.c,v 1.18 2000/11/14 18:46:36 thorpej 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 <uvm/uvm_extern.h> 85 86 #include <net/if.h> 87 #include <net/if_dl.h> 88 #include <net/if_ether.h> 89 #include <net/if_media.h> 90 91 #ifdef INET 92 #include <netinet/in.h> 93 #include <netinet/in_systm.h> 94 #include <netinet/in_var.h> 95 #include <netinet/ip.h> 96 #endif 97 98 #ifdef NS 99 #include <netns/ns.h> 100 #include <netns/ns_if.h> 101 #endif 102 103 #if NBPFILTER > 0 104 #include <net/bpf.h> 105 #include <net/bpfdesc.h> 106 #endif 107 108 #include <machine/cpu.h> 109 #include <machine/bus.h> 110 #include <machine/intr.h> 111 112 #include <dev/isa/isavar.h> 113 #include <dev/isa/isadmavar.h> 114 115 #include <dev/isapnp/isapnpreg.h> 116 #include <dev/isapnp/isapnpvar.h> 117 #include <dev/isapnp/isapnpdevs.h> 118 119 #include <dev/ic/lancereg.h> 120 #include <dev/ic/lancevar.h> 121 #include <dev/ic/am7990reg.h> 122 #include <dev/ic/am7990var.h> 123 #include <dev/isapnp/if_levar.h> 124 125 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 126 void le_isapnp_attach __P((struct device *, struct device *, void *)); 127 128 struct cfattach le_isapnp_ca = { 129 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 130 }; 131 132 int le_isapnp_intredge __P((void *)); 133 static void le_isapnp_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 134 static u_int16_t le_isapnp_rdcsr __P((struct lance_softc *, u_int16_t)); 135 136 137 #define LE_ISAPNP_MEMSIZE 16384 138 139 static void 140 le_isapnp_wrcsr(sc, port, val) 141 struct lance_softc *sc; 142 u_int16_t port, val; 143 { 144 struct le_softc *lesc = (struct le_softc *)sc; 145 bus_space_tag_t iot = lesc->sc_iot; 146 bus_space_handle_t ioh = lesc->sc_ioh; 147 148 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 149 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 150 } 151 152 static u_int16_t 153 le_isapnp_rdcsr(sc, port) 154 struct lance_softc *sc; 155 u_int16_t port; 156 { 157 struct le_softc *lesc = (struct le_softc *)sc; 158 bus_space_tag_t iot = lesc->sc_iot; 159 bus_space_handle_t ioh = lesc->sc_ioh; 160 u_int16_t val; 161 162 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 163 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 164 return (val); 165 } 166 167 int 168 le_isapnp_match(parent, match, aux) 169 struct device *parent; 170 struct cfdata *match; 171 void *aux; 172 { 173 int pri, variant; 174 175 pri = isapnp_devmatch(aux, &isapnp_le_devinfo, &variant); 176 if (pri && variant > 0) 177 pri = 0; 178 return (pri); 179 } 180 181 void 182 le_isapnp_attach(parent, self, aux) 183 struct device *parent, *self; 184 void *aux; 185 { 186 struct le_softc *lesc = (void *)self; 187 struct lance_softc *sc = &lesc->sc_am7990.lsc; 188 struct isapnp_attach_args *ipa = aux; 189 bus_space_tag_t iot; 190 bus_space_handle_t ioh; 191 bus_dma_tag_t dmat; 192 bus_dma_segment_t seg; 193 int i, rseg, error; 194 195 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 196 printf("%s: error in region allocation\n", 197 sc->sc_dev.dv_xname); 198 return; 199 } 200 201 lesc->sc_iot = iot = ipa->ipa_iot; 202 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 203 lesc->sc_dmat = dmat = ipa->ipa_dmat; 204 205 lesc->sc_rap = PCNET_RAP; 206 lesc->sc_rdp = PCNET_RDP; 207 208 /* 209 * Extract the physical MAC address from the ROM. 210 */ 211 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 212 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 213 214 /* 215 * Allocate a DMA area for the card. 216 */ 217 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, PAGE_SIZE, 0, &seg, 1, 218 &rseg, BUS_DMA_NOWAIT)) { 219 printf("%s: couldn't allocate memory for card\n", 220 sc->sc_dev.dv_xname); 221 return; 222 } 223 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 224 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 225 printf("%s: couldn't map memory for card\n", 226 sc->sc_dev.dv_xname); 227 return; 228 } 229 230 /* 231 * Create and load the DMA map for the DMA area. 232 */ 233 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 234 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 235 printf("%s: couldn't create DMA map\n", 236 sc->sc_dev.dv_xname); 237 bus_dmamem_free(dmat, &seg, rseg); 238 return; 239 } 240 if (bus_dmamap_load(dmat, lesc->sc_dmam, 241 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 242 printf("%s: coundn't load DMA map\n", 243 sc->sc_dev.dv_xname); 244 bus_dmamem_free(dmat, &seg, rseg); 245 return; 246 } 247 248 sc->sc_conf3 = 0; 249 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 250 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 251 252 sc->sc_copytodesc = lance_copytobuf_contig; 253 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 254 sc->sc_copytobuf = lance_copytobuf_contig; 255 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 256 sc->sc_zerobuf = lance_zerobuf_contig; 257 258 sc->sc_rdcsr = le_isapnp_rdcsr; 259 sc->sc_wrcsr = le_isapnp_wrcsr; 260 sc->sc_hwinit = NULL; 261 262 if (ipa->ipa_ndrq > 0) { 263 if ((error = isa_dmacascade(ipa->ipa_ic, 264 ipa->ipa_drq[0].num)) != 0) { 265 printf("%s: unable to cascade DRQ, error = %d\n", 266 sc->sc_dev.dv_xname, error); 267 return; 268 } 269 } 270 271 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 272 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 273 274 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 275 ipa->ipa_devclass); 276 am7990_config(&lesc->sc_am7990); 277 } 278 279 280 /* 281 * Controller interrupt. 282 */ 283 int 284 le_isapnp_intredge(arg) 285 void *arg; 286 { 287 288 if (am7990_intr(arg) == 0) 289 return (0); 290 for (;;) 291 if (am7990_intr(arg) == 0) 292 return (1); 293 } 294
Indexes created Mon Sep 29 21:09:56 GMT 2025