if_le_isapnp.c revision 1.18.2.1
1 /* $NetBSD: if_le_isapnp.c,v 1.18.2.1 2001/08/24 00:09:53 nathanw 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 <sys/param.h> 71 #include <sys/systm.h> 72 #include <sys/mbuf.h> 73 #include <sys/socket.h> 74 #include <sys/ioctl.h> 75 #include <sys/errno.h> 76 #include <sys/syslog.h> 77 #include <sys/select.h> 78 #include <sys/device.h> 79 80 #include <uvm/uvm_extern.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 #include <machine/cpu.h> 88 #include <machine/bus.h> 89 #include <machine/intr.h> 90 91 #include <dev/isa/isavar.h> 92 #include <dev/isa/isadmavar.h> 93 94 #include <dev/isapnp/isapnpreg.h> 95 #include <dev/isapnp/isapnpvar.h> 96 #include <dev/isapnp/isapnpdevs.h> 97 98 #include <dev/ic/lancereg.h> 99 #include <dev/ic/lancevar.h> 100 #include <dev/ic/am7990reg.h> 101 #include <dev/ic/am7990var.h> 102 #include <dev/isapnp/if_levar.h> 103 104 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 105 void le_isapnp_attach __P((struct device *, struct device *, void *)); 106 107 struct cfattach le_isapnp_ca = { 108 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 109 }; 110 111 int le_isapnp_intredge __P((void *)); 112 static void le_isapnp_wrcsr __P((struct lance_softc *, u_int16_t, u_int16_t)); 113 static u_int16_t le_isapnp_rdcsr __P((struct lance_softc *, u_int16_t)); 114 115 116 #define LE_ISAPNP_MEMSIZE 16384 117 118 static void 119 le_isapnp_wrcsr(sc, port, val) 120 struct lance_softc *sc; 121 u_int16_t port, val; 122 { 123 struct le_softc *lesc = (struct le_softc *)sc; 124 bus_space_tag_t iot = lesc->sc_iot; 125 bus_space_handle_t ioh = lesc->sc_ioh; 126 127 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 128 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 129 } 130 131 static u_int16_t 132 le_isapnp_rdcsr(sc, port) 133 struct lance_softc *sc; 134 u_int16_t port; 135 { 136 struct le_softc *lesc = (struct le_softc *)sc; 137 bus_space_tag_t iot = lesc->sc_iot; 138 bus_space_handle_t ioh = lesc->sc_ioh; 139 u_int16_t val; 140 141 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 142 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 143 return (val); 144 } 145 146 int 147 le_isapnp_match(parent, match, aux) 148 struct device *parent; 149 struct cfdata *match; 150 void *aux; 151 { 152 int pri, variant; 153 154 pri = isapnp_devmatch(aux, &isapnp_le_devinfo, &variant); 155 if (pri && variant > 0) 156 pri = 0; 157 return (pri); 158 } 159 160 void 161 le_isapnp_attach(parent, self, aux) 162 struct device *parent, *self; 163 void *aux; 164 { 165 struct le_softc *lesc = (void *)self; 166 struct lance_softc *sc = &lesc->sc_am7990.lsc; 167 struct isapnp_attach_args *ipa = aux; 168 bus_space_tag_t iot; 169 bus_space_handle_t ioh; 170 bus_dma_tag_t dmat; 171 bus_dma_segment_t seg; 172 int i, rseg, error; 173 174 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 175 printf("%s: error in region allocation\n", 176 sc->sc_dev.dv_xname); 177 return; 178 } 179 180 lesc->sc_iot = iot = ipa->ipa_iot; 181 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 182 lesc->sc_dmat = dmat = ipa->ipa_dmat; 183 184 lesc->sc_rap = PCNET_RAP; 185 lesc->sc_rdp = PCNET_RDP; 186 187 /* 188 * Extract the physical MAC address from the ROM. 189 */ 190 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 191 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 192 193 /* 194 * Allocate a DMA area for the card. 195 */ 196 if (bus_dmamem_alloc(dmat, LE_ISAPNP_MEMSIZE, PAGE_SIZE, 0, &seg, 1, 197 &rseg, BUS_DMA_NOWAIT)) { 198 printf("%s: couldn't allocate memory for card\n", 199 sc->sc_dev.dv_xname); 200 return; 201 } 202 if (bus_dmamem_map(dmat, &seg, rseg, LE_ISAPNP_MEMSIZE, 203 (caddr_t *)&sc->sc_mem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) { 204 printf("%s: couldn't map memory for card\n", 205 sc->sc_dev.dv_xname); 206 return; 207 } 208 209 /* 210 * Create and load the DMA map for the DMA area. 211 */ 212 if (bus_dmamap_create(dmat, LE_ISAPNP_MEMSIZE, 1, 213 LE_ISAPNP_MEMSIZE, 0, BUS_DMA_NOWAIT, &lesc->sc_dmam)) { 214 printf("%s: couldn't create DMA map\n", 215 sc->sc_dev.dv_xname); 216 bus_dmamem_free(dmat, &seg, rseg); 217 return; 218 } 219 if (bus_dmamap_load(dmat, lesc->sc_dmam, 220 sc->sc_mem, LE_ISAPNP_MEMSIZE, NULL, BUS_DMA_NOWAIT)) { 221 printf("%s: coundn't load DMA map\n", 222 sc->sc_dev.dv_xname); 223 bus_dmamem_free(dmat, &seg, rseg); 224 return; 225 } 226 227 sc->sc_conf3 = 0; 228 sc->sc_addr = lesc->sc_dmam->dm_segs[0].ds_addr; 229 sc->sc_memsize = LE_ISAPNP_MEMSIZE; 230 231 sc->sc_copytodesc = lance_copytobuf_contig; 232 sc->sc_copyfromdesc = lance_copyfrombuf_contig; 233 sc->sc_copytobuf = lance_copytobuf_contig; 234 sc->sc_copyfrombuf = lance_copyfrombuf_contig; 235 sc->sc_zerobuf = lance_zerobuf_contig; 236 237 sc->sc_rdcsr = le_isapnp_rdcsr; 238 sc->sc_wrcsr = le_isapnp_wrcsr; 239 sc->sc_hwinit = NULL; 240 241 if (ipa->ipa_ndrq > 0) { 242 if ((error = isa_dmacascade(ipa->ipa_ic, 243 ipa->ipa_drq[0].num)) != 0) { 244 printf("%s: unable to cascade DRQ, error = %d\n", 245 sc->sc_dev.dv_xname, error); 246 return; 247 } 248 } 249 250 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 251 ipa->ipa_irq[0].type, IPL_NET, le_isapnp_intredge, sc); 252 253 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 254 ipa->ipa_devclass); 255 am7990_config(&lesc->sc_am7990); 256 } 257 258 259 /* 260 * Controller interrupt. 261 */ 262 int 263 le_isapnp_intredge(arg) 264 void *arg; 265 { 266 267 if (am7990_intr(arg) == 0) 268 return (0); 269 for (;;) 270 if (am7990_intr(arg) == 0) 271 return (1); 272 } 273
Indexes created Thu Oct 16 14:10:15 GMT 2025