if_le_isapnp.c revision 1.16
1 /* $NetBSD: if_le_isapnp.c,v 1.16 1999/03/22 09:44:14 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 variant; 172 173 return (isapnp_devmatch(aux, &isapnp_le_devinfo, &variant)); 174 } 175 176 void 177 le_isapnp_attach(parent, self, aux) 178 struct device *parent, *self; 179 void *aux; 180 { 181 struct le_softc *lesc = (void *)self; 182 struct lance_softc *sc = &lesc->sc_am7990.lsc; 183 struct isapnp_attach_args *ipa = aux; 184 bus_space_tag_t iot; 185 bus_space_handle_t ioh; 186 bus_dma_tag_t dmat; 187 bus_dma_segment_t seg; 188 int i, rseg, error; 189 190 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 191 printf("%s: error in region allocation\n", 192 sc->sc_dev.dv_xname); 193 return; 194 } 195 196 lesc->sc_iot = iot = ipa->ipa_iot; 197 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 198 lesc->sc_dmat = dmat = ipa->ipa_dmat; 199 200 lesc->sc_rap = PCNET_RAP; 201 lesc->sc_rdp = PCNET_RDP; 202 203 /* 204 * Extract the physical MAC address from the ROM. 205 */ 206 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 207 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 208 209 /* 210 * Allocate a DMA area for the card. 211 */ 212 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, NBPG, 0, &seg, 1, 213 &rseg, BUS_DMA_NOWAIT)) { 214 printf("%s: couldn't allocate memory for card\n", 215 sc->sc_dev.dv_xname); 216 return; 217 } 218 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 219 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 220 printf("%s: couldn't map memory for card\n", 221 sc->sc_dev.dv_xname); 222 return; 223 } 224 225 /* 226 * Create and load the DMA map for the DMA area. 227 */ 228 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 229 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 230 printf("%s: couldn't create DMA map\n", 231 sc->sc_dev.dv_xname); 232 bus_dmamem_free(dmat, &seg, rseg); 233 return; 234 } 235 if (bus_dmamap_load(dmat, lesc->sc_dmam, 236 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 237 printf("%s: coundn't load DMA map\n", 238 sc->sc_dev.dv_xname); 239 bus_dmamem_free(dmat, &seg, rseg); 240 return; 241 } 242 243 sc->sc_conf3 = 0; 244 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 245 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 246 247 sc->sc_copytodesc = lance_copytobuf_contig; 248 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 249 sc->sc_copytobuf = lance_copytobuf_contig; 250 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 251 sc->sc_zerobuf = lance_zerobuf_contig; 252 253 sc->sc_rdcsr = le_isapnp_rdcsr; 254 sc->sc_wrcsr = le_isapnp_wrcsr; 255 sc->sc_hwinit = NULL; 256 257 if (ipa->ipa_ndrq > 0) { 258 if ((error = isa_dmacascade(ipa->ipa_ic, 259 ipa->ipa_drq[0].num)) != 0) { 260 printf("%s: unable to cascade DRQ, error = %d\n", 261 sc->sc_dev.dv_xname, error); 262 return; 263 } 264 } 265 266 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 267 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 268 269 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 270 ipa->ipa_devclass); 271 am7990_config(&lesc->sc_am7990); 272 } 273 274 275 /* 276 * Controller interrupt. 277 */ 278 int 279 le_isapnp_intredge(arg) 280 void *arg; 281 { 282 283 if (am7990_intr(arg) == 0) 284 return (0); 285 for (;;) 286 if (am7990_intr(arg) == 0) 287 return (1); 288 } 289
Indexes created Mon Sep 29 21:09:56 GMT 2025