if_le_isapnp.c revision 1.2
1 /* $NetBSD: if_le_isapnp.c,v 1.2 1997/03/31 20:36:38 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> and 5 * Mattias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Jonathan Stone. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include "bpfilter.h" 34 35 #include <sys/param.h> 36 #include <sys/systm.h> 37 #include <sys/mbuf.h> 38 #include <sys/socket.h> 39 #include <sys/ioctl.h> 40 #include <sys/errno.h> 41 #include <sys/syslog.h> 42 #include <sys/select.h> 43 #include <sys/device.h> 44 45 #include <net/if.h> 46 #include <net/if_dl.h> 47 #include <net/if_ether.h> 48 #include <net/if_media.h> 49 50 #ifdef INET 51 #include <netinet/in.h> 52 #include <netinet/in_systm.h> 53 #include <netinet/in_var.h> 54 #include <netinet/ip.h> 55 #endif 56 57 #ifdef NS 58 #include <netns/ns.h> 59 #include <netns/ns_if.h> 60 #endif 61 62 #if NBPFILTER > 0 63 #include <net/bpf.h> 64 #include <net/bpfdesc.h> 65 #endif 66 67 #include <machine/cpu.h> 68 #include <machine/bus.h> 69 #include <machine/intr.h> 70 71 #include <dev/isa/isavar.h> 72 #include <dev/isa/isadmavar.h> 73 74 #include <dev/isapnp/isapnpreg.h> 75 #include <dev/isapnp/isapnpvar.h> 76 77 #include <dev/ic/am7990reg.h> 78 #include <dev/ic/am7990var.h> 79 #include <dev/isapnp/if_levar.h> 80 81 #ifdef __alpha__ /* XXX */ 82 /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ 83 #undef vtophys 84 #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va)) 85 #endif 86 87 88 89 #ifdef __BROKEN_INDIRECT_CONFIG 90 int le_isapnp_match __P((struct device *, void *, void *)); 91 #else 92 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 93 #endif 94 void le_isapnp_attach __P((struct device *, struct device *, void *)); 95 96 struct cfattach ep_isapnp_ca = { 97 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 98 }; 99 100 int le_isapnp_intredge __P((void *)); 101 static void le_isapnp_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 102 static u_int16_t le_isapnp_rdcsr __P((struct am7990_softc *, u_int16_t)); 103 104 105 /* 106 * Names accepted by the match routine. 107 */ 108 static char *if_le_isapnp_devnames[] = { 109 "TKN0010", 110 0 111 }; 112 113 114 static void 115 le_isapnp_wrcsr(sc, port, val) 116 struct am7990_softc *sc; 117 u_int16_t port, val; 118 { 119 struct le_softc *lesc = (struct le_softc *)sc; 120 bus_space_tag_t iot = lesc->sc_iot; 121 bus_space_handle_t ioh = lesc->sc_ioh; 122 123 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 124 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 125 } 126 127 static u_int16_t 128 le_isapnp_rdcsr(sc, port) 129 struct am7990_softc *sc; 130 u_int16_t port; 131 { 132 struct le_softc *lesc = (struct le_softc *)sc; 133 bus_space_tag_t iot = lesc->sc_iot; 134 bus_space_handle_t ioh = lesc->sc_ioh; 135 u_int16_t val; 136 137 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 138 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 139 return (val); 140 } 141 142 int 143 le_isapnp_match(parent, match, aux) 144 struct device *parent; 145 #ifdef __BROKEN_INDIRECT_CONFIG 146 void *match; 147 #else 148 struct cfdata *match; 149 #endif 150 void *aux; 151 { 152 struct isapnp_attach_args *ipa = aux; 153 char **card_name = &if_le_isapnp_devnames[0]; 154 155 while (*card_name) 156 if(!strcmp(ipa->ipa_devlogic, *card_name++)) 157 return(1); 158 159 return (1); 160 } 161 162 void 163 le_isapnp_attach(parent, self, aux) 164 struct device *parent, *self; 165 void *aux; 166 { 167 struct le_softc *lesc = (void *)self; 168 struct am7990_softc *sc = &lesc->sc_am7990; 169 struct isapnp_attach_args *ipa = aux; 170 bus_space_tag_t iot; 171 bus_space_handle_t ioh; 172 int i; 173 174 175 lesc->sc_iot = iot = ipa->ipa_iot; 176 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 177 178 lesc->sc_rap = PCNET_RAP; 179 lesc->sc_rdp = PCNET_RDP; 180 181 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 182 printf("%s: error in region allocation\n", 183 sc->sc_dev.dv_xname); 184 return; 185 } 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 /* XXX SHOULD GET DMA-CAPABLE BUFFER SPACE */ 194 sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT); 195 if (sc->sc_mem == 0) { 196 printf("%s: couldn't allocate memory for card\n", 197 sc->sc_dev.dv_xname); 198 return; 199 } 200 201 sc->sc_conf3 = 0; 202 sc->sc_addr = kvtop(sc->sc_mem); /* XXX XXX XXX !! */ 203 sc->sc_memsize = 16384; 204 205 sc->sc_copytodesc = am7990_copytobuf_contig; 206 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 207 sc->sc_copytobuf = am7990_copytobuf_contig; 208 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 209 sc->sc_zerobuf = am7990_zerobuf_contig; 210 211 sc->sc_rdcsr = le_isapnp_rdcsr; 212 sc->sc_wrcsr = le_isapnp_wrcsr; 213 sc->sc_hwinit = NULL; 214 215 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 216 ipa->ipa_devclass); 217 am7990_config(sc); 218 219 if (ipa->ipa_ndrq > 0) 220 isa_dmacascade(ipa->ipa_drq[0].num); 221 222 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 223 IST_EDGE, IPL_NET, le_isapnp_intredge, sc); 224 } 225 226 227 /* 228 * Controller interrupt. 229 */ 230 int 231 le_isapnp_intredge(arg) 232 void *arg; 233 { 234 235 if (am7990_intr(arg) == 0) 236 return (0); 237 for (;;) 238 if (am7990_intr(arg) == 0) 239 return (1); 240 } 241
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