if_le_isapnp.c revision 1.12
1 /* $NetBSD: if_le_isapnp.c,v 1.12 1998/07/05 00:51:22 jonathan 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 "bpfilter.h" 72 73 #include <sys/param.h> 74 #include <sys/systm.h> 75 #include <sys/mbuf.h> 76 #include <sys/socket.h> 77 #include <sys/ioctl.h> 78 #include <sys/errno.h> 79 #include <sys/syslog.h> 80 #include <sys/select.h> 81 #include <sys/device.h> 82 83 #include <net/if.h> 84 #include <net/if_dl.h> 85 #include <net/if_ether.h> 86 #include <net/if_media.h> 87 88 #ifdef INET 89 #include <netinet/in.h> 90 #include <netinet/in_systm.h> 91 #include <netinet/in_var.h> 92 #include <netinet/ip.h> 93 #endif 94 95 #ifdef NS 96 #include <netns/ns.h> 97 #include <netns/ns_if.h> 98 #endif 99 100 #if NBPFILTER > 0 101 #include <net/bpf.h> 102 #include <net/bpfdesc.h> 103 #endif 104 105 #include <machine/cpu.h> 106 #include <machine/bus.h> 107 #include <machine/intr.h> 108 109 #include <dev/isa/isavar.h> 110 #include <dev/isa/isadmavar.h> 111 112 #include <dev/isapnp/isapnpreg.h> 113 #include <dev/isapnp/isapnpvar.h> 114 115 #include <dev/ic/am7990reg.h> 116 #include <dev/ic/am7990var.h> 117 #include <dev/isapnp/if_levar.h> 118 119 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 120 void le_isapnp_attach __P((struct device *, struct device *, void *)); 121 122 struct cfattach le_isapnp_ca = { 123 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 124 }; 125 126 int le_isapnp_intredge __P((void *)); 127 static void le_isapnp_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 128 static u_int16_t le_isapnp_rdcsr __P((struct am7990_softc *, u_int16_t)); 129 130 131 /* 132 * Names accepted by the match routine. 133 */ 134 static char *if_le_isapnp_devnames[] = { 135 "TKN0010", 136 0 137 }; 138 139 #define LE_ISAPNP_MEMSIZE 16384 140 141 static void 142 le_isapnp_wrcsr(sc, port, val) 143 struct am7990_softc *sc; 144 u_int16_t port, val; 145 { 146 struct le_softc *lesc = (struct le_softc *)sc; 147 bus_space_tag_t iot = lesc->sc_iot; 148 bus_space_handle_t ioh = lesc->sc_ioh; 149 150 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 151 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 152 } 153 154 static u_int16_t 155 le_isapnp_rdcsr(sc, port) 156 struct am7990_softc *sc; 157 u_int16_t port; 158 { 159 struct le_softc *lesc = (struct le_softc *)sc; 160 bus_space_tag_t iot = lesc->sc_iot; 161 bus_space_handle_t ioh = lesc->sc_ioh; 162 u_int16_t val; 163 164 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 165 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 166 return (val); 167 } 168 169 int 170 le_isapnp_match(parent, match, aux) 171 struct device *parent; 172 struct cfdata *match; 173 void *aux; 174 { 175 struct isapnp_attach_args *ipa = aux; 176 char **card_name = &if_le_isapnp_devnames[0]; 177 178 while (*card_name) 179 if(!strcmp(ipa->ipa_devlogic, *card_name++)) 180 return(1); 181 182 return (0); 183 } 184 185 void 186 le_isapnp_attach(parent, self, aux) 187 struct device *parent, *self; 188 void *aux; 189 { 190 struct le_softc *lesc = (void *)self; 191 struct am7990_softc *sc = &lesc->sc_am7990; 192 struct isapnp_attach_args *ipa = aux; 193 bus_space_tag_t iot; 194 bus_space_handle_t ioh; 195 bus_dma_tag_t dmat; 196 bus_dma_segment_t seg; 197 int i, rseg, error; 198 199 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 200 printf("%s: error in region allocation\n", 201 sc->sc_dev.dv_xname); 202 return; 203 } 204 205 lesc->sc_iot = iot = ipa->ipa_iot; 206 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 207 lesc->sc_dmat = dmat = ipa->ipa_dmat; 208 209 lesc->sc_rap = PCNET_RAP; 210 lesc->sc_rdp = PCNET_RDP; 211 212 /* 213 * Extract the physical MAC address from the ROM. 214 */ 215 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 216 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 217 218 /* 219 * Allocate a DMA area for the card. 220 */ 221 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, NBPG, 0, &seg, 1, 222 &rseg, BUS_DMA_NOWAIT)) { 223 printf("%s: couldn't allocate memory for card\n", 224 sc->sc_dev.dv_xname); 225 return; 226 } 227 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 228 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 229 printf("%s: couldn't map memory for card\n", 230 sc->sc_dev.dv_xname); 231 return; 232 } 233 234 /* 235 * Create and load the DMA map for the DMA area. 236 */ 237 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 238 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 239 printf("%s: couldn't create DMA map\n", 240 sc->sc_dev.dv_xname); 241 bus_dmamem_free(dmat, &seg, rseg); 242 return; 243 } 244 if (bus_dmamap_load(dmat, lesc->sc_dmam, 245 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 246 printf("%s: coundn't load DMA map\n", 247 sc->sc_dev.dv_xname); 248 bus_dmamem_free(dmat, &seg, rseg); 249 return; 250 } 251 252 sc->sc_conf3 = 0; 253 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 254 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 255 256 sc->sc_copytodesc = am7990_copytobuf_contig; 257 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 258 sc->sc_copytobuf = am7990_copytobuf_contig; 259 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 260 sc->sc_zerobuf = am7990_zerobuf_contig; 261 262 sc->sc_rdcsr = le_isapnp_rdcsr; 263 sc->sc_wrcsr = le_isapnp_wrcsr; 264 sc->sc_hwinit = NULL; 265 266 if (ipa->ipa_ndrq > 0) { 267 if ((error = isa_dmacascade(ipa->ipa_ic, 268 ipa->ipa_drq[0].num)) != 0) { 269 printf("%s: unable to cascade DRQ, error = %d\n", 270 sc->sc_dev.dv_xname, error); 271 return; 272 } 273 } 274 275 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 276 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 277 278 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 279 ipa->ipa_devclass); 280 am7990_config(sc); 281 } 282 283 284 /* 285 * Controller interrupt. 286 */ 287 int 288 le_isapnp_intredge(arg) 289 void *arg; 290 { 291 292 if (am7990_intr(arg) == 0) 293 return (0); 294 for (;;) 295 if (am7990_intr(arg) == 0) 296 return (1); 297 } 298
Indexes created Tue Sep 30 06:09:59 GMT 2025