if_le_isapnp.c revision 1.7
1 /* $NetBSD: if_le_isapnp.c,v 1.7 1997/12/17 01:31:59 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 * Mattias 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 "bpfilter.h" 71 72 #include <sys/param.h> 73 #include <sys/systm.h> 74 #include <sys/mbuf.h> 75 #include <sys/socket.h> 76 #include <sys/ioctl.h> 77 #include <sys/errno.h> 78 #include <sys/syslog.h> 79 #include <sys/select.h> 80 #include <sys/device.h> 81 82 #include <net/if.h> 83 #include <net/if_dl.h> 84 #include <net/if_ether.h> 85 #include <net/if_media.h> 86 87 #ifdef INET 88 #include <netinet/in.h> 89 #include <netinet/in_systm.h> 90 #include <netinet/in_var.h> 91 #include <netinet/ip.h> 92 #endif 93 94 #ifdef NS 95 #include <netns/ns.h> 96 #include <netns/ns_if.h> 97 #endif 98 99 #if NBPFILTER > 0 100 #include <net/bpf.h> 101 #include <net/bpfdesc.h> 102 #endif 103 104 #include <machine/cpu.h> 105 #include <machine/bus.h> 106 #include <machine/intr.h> 107 108 #include <dev/isa/isavar.h> 109 #include <dev/isa/isadmavar.h> 110 111 #include <dev/isapnp/isapnpreg.h> 112 #include <dev/isapnp/isapnpvar.h> 113 114 #include <dev/ic/am7990reg.h> 115 #include <dev/ic/am7990var.h> 116 #include <dev/isapnp/if_levar.h> 117 118 #ifdef __BROKEN_INDIRECT_CONFIG 119 int le_isapnp_match __P((struct device *, void *, void *)); 120 #else 121 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 122 #endif 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 am7990_softc *, u_int16_t, u_int16_t)); 131 static u_int16_t le_isapnp_rdcsr __P((struct am7990_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 am7990_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 am7990_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 #ifdef __BROKEN_INDIRECT_CONFIG 176 void *match; 177 #else 178 struct cfdata *match; 179 #endif 180 void *aux; 181 { 182 struct isapnp_attach_args *ipa = aux; 183 char **card_name = &if_le_isapnp_devnames[0]; 184 185 while (*card_name) 186 if(!strcmp(ipa->ipa_devlogic, *card_name++)) 187 return(1); 188 189 return (0); 190 } 191 192 void 193 le_isapnp_attach(parent, self, aux) 194 struct device *parent, *self; 195 void *aux; 196 { 197 struct le_softc *lesc = (void *)self; 198 struct am7990_softc *sc = &lesc->sc_am7990; 199 struct isapnp_attach_args *ipa = aux; 200 bus_space_tag_t iot; 201 bus_space_handle_t ioh; 202 bus_dma_tag_t dmat; 203 bus_dma_segment_t seg; 204 int i, rseg; 205 206 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 207 printf("%s: error in region allocation\n", 208 sc->sc_dev.dv_xname); 209 return; 210 } 211 212 lesc->sc_iot = iot = ipa->ipa_iot; 213 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 214 lesc->sc_dmat = dmat = ipa->ipa_dmat; 215 216 lesc->sc_rap = PCNET_RAP; 217 lesc->sc_rdp = PCNET_RDP; 218 219 /* 220 * Extract the physical MAC address from the ROM. 221 */ 222 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 223 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 224 225 /* 226 * Allocate a DMA area for the card. 227 */ 228 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, NBPG, 0, &seg, 1, 229 &rseg, BUS_DMA_NOWAIT)) { 230 printf("%s: couldn't allocate memory for card\n", 231 sc->sc_dev.dv_xname); 232 return; 233 } 234 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 235 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMAMEM_NOSYNC)) { 236 printf("%s: couldn't map memory for card\n", 237 sc->sc_dev.dv_xname); 238 return; 239 } 240 241 /* 242 * Create and load the DMA map for the DMA area. 243 */ 244 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 245 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 246 printf("%s: couldn't create DMA map\n", 247 sc->sc_dev.dv_xname); 248 bus_dmamem_free(dmat, &seg, rseg); 249 return; 250 } 251 if (bus_dmamap_load(dmat, lesc->sc_dmam, 252 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 253 printf("%s: coundn't load DMA map\n", 254 sc->sc_dev.dv_xname); 255 bus_dmamem_free(dmat, &seg, rseg); 256 return; 257 } 258 259 sc->sc_conf3 = 0; 260 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 261 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 262 263 sc->sc_copytodesc = am7990_copytobuf_contig; 264 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 265 sc->sc_copytobuf = am7990_copytobuf_contig; 266 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 267 sc->sc_zerobuf = am7990_zerobuf_contig; 268 269 sc->sc_rdcsr = le_isapnp_rdcsr; 270 sc->sc_wrcsr = le_isapnp_wrcsr; 271 sc->sc_hwinit = NULL; 272 273 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 274 ipa->ipa_devclass); 275 am7990_config(sc); 276 277 if (ipa->ipa_ndrq > 0) 278 isa_dmacascade(parent->dv_parent, ipa->ipa_drq[0].num); 279 280 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 281 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 282 } 283 284 285 /* 286 * Controller interrupt. 287 */ 288 int 289 le_isapnp_intredge(arg) 290 void *arg; 291 { 292 293 if (am7990_intr(arg) == 0) 294 return (0); 295 for (;;) 296 if (am7990_intr(arg) == 0) 297 return (1); 298 } 299
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