if_le_isapnp.c revision 1.1
1 /* $NetBSD: if_le_isapnp.c,v 1.1 1997/03/31 20:22:20 jonathan Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Jonathan Stone <jonathan (at) NetBSD.org> 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Jonathan Stone. 17 * 4. The name of the author may not be used to endorse or promote products 18 * derived from this software without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include "bpfilter.h" 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/mbuf.h> 37 #include <sys/socket.h> 38 #include <sys/ioctl.h> 39 #include <sys/errno.h> 40 #include <sys/syslog.h> 41 #include <sys/select.h> 42 #include <sys/device.h> 43 44 #include <net/if.h> 45 #include <net/if_dl.h> 46 #include <net/if_ether.h> 47 #include <net/if_media.h> 48 49 #ifdef INET 50 #include <netinet/in.h> 51 #include <netinet/in_systm.h> 52 #include <netinet/in_var.h> 53 #include <netinet/ip.h> 54 #endif 55 56 #ifdef NS 57 #include <netns/ns.h> 58 #include <netns/ns_if.h> 59 #endif 60 61 #if NBPFILTER > 0 62 #include <net/bpf.h> 63 #include <net/bpfdesc.h> 64 #endif 65 66 #include <machine/cpu.h> 67 #include <machine/bus.h> 68 #include <machine/intr.h> 69 70 #include <dev/isa/isavar.h> 71 #include <dev/isa/isadmavar.h> 72 73 #include <dev/isapnp/isapnpreg.h> 74 #include <dev/isapnp/isapnpvar.h> 75 76 #include <dev/ic/am7990reg.h> 77 #include <dev/ic/am7990var.h> 78 #include <dev/isapnp/if_levar.h> 79 80 #ifdef __alpha__ /* XXX */ 81 /* XXX XXX NEED REAL DMA MAPPING SUPPORT XXX XXX */ 82 #undef vtophys 83 #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)(va)) 84 #endif 85 86 87 88 #ifdef __BROKEN_INDIRECT_CONFIG 89 int le_isapnp_match __P((struct device *, void *, void *)); 90 #else 91 int le_isapnp_match __P((struct device *, struct cfdata *, void *)); 92 #endif 93 void le_isapnp_attach __P((struct device *, struct device *, void *)); 94 95 struct cfattach ep_isapnp_ca = { 96 sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach 97 }; 98 99 100 int le_isapnp_intredge __P((void *)); 101 102 hide void le_isapnp_wrcsr __P((struct am7990_softc *, u_int16_t, u_int16_t)); 103 hide u_int16_t le_isapnp_rdcsr __P((struct am7990_softc *, u_int16_t)); 104 105 106 hide void 107 le_isapnp_wrcsr(sc, port, val) 108 struct am7990_softc *sc; 109 u_int16_t port, val; 110 { 111 struct le_softc *lesc = (struct le_softc *)sc; 112 bus_space_tag_t iot = lesc->sc_iot; 113 bus_space_handle_t ioh = lesc->sc_ioh; 114 115 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 116 bus_space_write_2(iot, ioh, lesc->sc_rdp, val); 117 } 118 119 hide u_int16_t 120 le_isapnp_rdcsr(sc, port) 121 struct am7990_softc *sc; 122 u_int16_t port; 123 { 124 struct le_softc *lesc = (struct le_softc *)sc; 125 bus_space_tag_t iot = lesc->sc_iot; 126 bus_space_handle_t ioh = lesc->sc_ioh; 127 u_int16_t val; 128 129 bus_space_write_2(iot, ioh, lesc->sc_rap, port); 130 val = bus_space_read_2(iot, ioh, lesc->sc_rdp); 131 return (val); 132 } 133 134 int 135 le_isapnp_match(parent, match, aux) 136 struct device *parent; 137 #ifdef __BROKEN_INDIRECT_CONFIG 138 void *match; 139 #else 140 struct cfdata *match; 141 #endif 142 void *aux; 143 { 144 struct isapnp_attach_args *ipa = aux; 145 146 if (strcmp(ipa->ipa_devlogic, "TKN0010")) 147 return (0); 148 149 return (1); 150 } 151 152 void 153 le_isapnp_attach(parent, self, aux) 154 struct device *parent, *self; 155 void *aux; 156 { 157 struct le_softc *lesc = (void *)self; 158 struct am7990_softc *sc = &lesc->sc_am7990; 159 struct isapnp_attach_args *ipa = aux; 160 bus_space_tag_t iot; 161 bus_space_handle_t ioh; 162 int i; 163 164 165 lesc->sc_iot = iot = ipa->ipa_iot; 166 lesc->sc_ioh = ioh = ipa->ipa_io[0].h; 167 168 lesc->sc_rap = PCNET_RAP; 169 lesc->sc_rdp = PCNET_RDP; 170 171 /* XXX SHOULD RE-MAP I/O SPACE HERE? */ 172 173 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 174 printf("%s: error in region allocation\n", 175 sc->sc_dev.dv_xname); 176 return; 177 } 178 179 /* 180 * Extract the physical MAC address from the ROM. 181 */ 182 for (i = 0; i < sizeof(sc->sc_enaddr); i++) 183 sc->sc_enaddr[i] = bus_space_read_1(iot, ioh, PCNET_SAPROM+i); 184 185 if (ipa->ipa_ndrq > 0) 186 isa_dmacascade(ipa->ipa_drq[0].num); 187 188 /* XXX SHOULD GET DMA-CAPABLE BUFFER SPACE */ 189 sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT); 190 if (sc->sc_mem == 0) { 191 printf("%s: couldn't allocate memory for card\n", 192 sc->sc_dev.dv_xname); 193 return; 194 } 195 196 sc->sc_conf3 = 0; 197 sc->sc_addr = kvtop(sc->sc_mem); /* XXX XXX XXX !! */ 198 sc->sc_memsize = 16384; 199 200 sc->sc_copytodesc = am7990_copytobuf_contig; 201 sc->sc_copyfromdesc = am7990_copyfrombuf_contig; 202 sc->sc_copytobuf = am7990_copytobuf_contig; 203 sc->sc_copyfrombuf = am7990_copyfrombuf_contig; 204 sc->sc_zerobuf = am7990_zerobuf_contig; 205 206 sc->sc_rdcsr = le_isapnp_rdcsr; 207 sc->sc_wrcsr = le_isapnp_wrcsr; 208 sc->sc_hwinit = NULL; 209 210 printf("%s: %s %s\n", sc->sc_dev.dv_xname, ipa->ipa_devident, 211 ipa->ipa_devclass); 212 am7990_config(sc); 213 214 lesc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num, 215 IST_EDGE, IPL_NET, le_isapnp_intredge, sc); 216 } 217 218 219 /* 220 * Controller interrupt. 221 */ 222 int 223 le_isapnp_intredge(arg) 224 void *arg; 225 { 226 227 if (am7990_intr(arg) == 0) 228 return (0); 229 for (;;) 230 if (am7990_intr(arg) == 0) 231 return (1); 232 } 233
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