if_wi_pci.c revision 1.2.2.2
1 1.2.2.2 thorpej /* $NetBSD: if_wi_pci.c,v 1.2.2.2 2002/01/10 19:56:47 thorpej Exp $ */ 2 1.2.2.2 thorpej 3 1.2.2.2 thorpej /*- 4 1.2.2.2 thorpej * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.2.2.2 thorpej * All rights reserved. 6 1.2.2.2 thorpej * 7 1.2.2.2 thorpej * This code is derived from software contributed to The NetBSD Foundation 8 1.2.2.2 thorpej * by Hideaki Imaizumi <hiddy (at) sfc.wide.ad.jp> 9 1.2.2.2 thorpej * and Ichiro FUKUHARA (ichiro (at) ichiro.org). 10 1.2.2.2 thorpej * 11 1.2.2.2 thorpej * Redistribution and use in source and binary forms, with or without 12 1.2.2.2 thorpej * modification, are permitted provided that the following conditions 13 1.2.2.2 thorpej * are met: 14 1.2.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 15 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer. 16 1.2.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 17 1.2.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 18 1.2.2.2 thorpej * documentation and/or other materials provided with the distribution. 19 1.2.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 20 1.2.2.2 thorpej * must display the following acknowledgement: 21 1.2.2.2 thorpej * This product includes software developed by the NetBSD 22 1.2.2.2 thorpej * Foundation, Inc. and its contributors. 23 1.2.2.2 thorpej * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.2.2.2 thorpej * contributors may be used to endorse or promote products derived 25 1.2.2.2 thorpej * from this software without specific prior written permission. 26 1.2.2.2 thorpej * 27 1.2.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.2.2.2 thorpej * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.2.2.2 thorpej * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.2.2.2 thorpej * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.2.2.2 thorpej * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.2.2.2 thorpej * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.2.2.2 thorpej * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.2.2.2 thorpej * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.2.2.2 thorpej * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.2.2.2 thorpej * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.2.2.2 thorpej * POSSIBILITY OF SUCH DAMAGE. 38 1.2.2.2 thorpej */ 39 1.2.2.2 thorpej 40 1.2.2.2 thorpej /* 41 1.2.2.2 thorpej * PCI bus front-end for the Intersil PCI WaveLan. 42 1.2.2.2 thorpej * Works with Prism2.5 Mini-PCI wavelan. 43 1.2.2.2 thorpej */ 44 1.2.2.2 thorpej 45 1.2.2.2 thorpej #include <sys/cdefs.h> 46 1.2.2.2 thorpej __KERNEL_RCSID(0, "$NetBSD: if_wi_pci.c,v 1.2.2.2 2002/01/10 19:56:47 thorpej Exp $"); 47 1.2.2.2 thorpej 48 1.2.2.2 thorpej #include <sys/param.h> 49 1.2.2.2 thorpej #include <sys/systm.h> 50 1.2.2.2 thorpej #include <sys/mbuf.h> 51 1.2.2.2 thorpej #include <sys/syslog.h> 52 1.2.2.2 thorpej #include <sys/socket.h> 53 1.2.2.2 thorpej #include <sys/device.h> 54 1.2.2.2 thorpej #include <sys/callout.h> 55 1.2.2.2 thorpej 56 1.2.2.2 thorpej #include <net/if.h> 57 1.2.2.2 thorpej #include <net/if_ether.h> 58 1.2.2.2 thorpej #include <net/if_media.h> 59 1.2.2.2 thorpej #include <net/if_ieee80211.h> 60 1.2.2.2 thorpej 61 1.2.2.2 thorpej #include <machine/bus.h> 62 1.2.2.2 thorpej #include <machine/intr.h> 63 1.2.2.2 thorpej 64 1.2.2.2 thorpej #include <dev/pci/pcireg.h> 65 1.2.2.2 thorpej #include <dev/pci/pcivar.h> 66 1.2.2.2 thorpej #include <dev/pci/pcidevs.h> 67 1.2.2.2 thorpej 68 1.2.2.2 thorpej #include <dev/ic/wi_ieee.h> 69 1.2.2.2 thorpej #include <dev/ic/wireg.h> 70 1.2.2.2 thorpej #include <dev/ic/wivar.h> 71 1.2.2.2 thorpej 72 1.2.2.2 thorpej struct wi_pci_softc { 73 1.2.2.2 thorpej struct wi_softc psc_wi; /* real "wi" softc */ 74 1.2.2.2 thorpej 75 1.2.2.2 thorpej /* PCI-specific goo */ 76 1.2.2.2 thorpej pci_intr_handle_t psc_ih; 77 1.2.2.2 thorpej struct pci_attach_args *psc_pa; 78 1.2.2.2 thorpej 79 1.2.2.2 thorpej void *sc_powerhook; /* power hook descriptor */ 80 1.2.2.2 thorpej }; 81 1.2.2.2 thorpej 82 1.2.2.2 thorpej static int wi_pci_match __P((struct device *, struct cfdata *, void *)); 83 1.2.2.2 thorpej static void wi_pci_attach __P((struct device *, struct device *, void *)); 84 1.2.2.2 thorpej static int wi_pci_enable __P((struct wi_softc *)); 85 1.2.2.2 thorpej static void wi_pci_disable __P((struct wi_softc *)); 86 1.2.2.2 thorpej static void wi_pci_powerhook __P((int, void *)); 87 1.2.2.2 thorpej 88 1.2.2.2 thorpej static const struct wi_pci_product 89 1.2.2.2 thorpej *wi_pci_lookup __P((struct pci_attach_args *)); 90 1.2.2.2 thorpej 91 1.2.2.2 thorpej struct cfattach wi_pci_ca = { 92 1.2.2.2 thorpej sizeof(struct wi_pci_softc), wi_pci_match, wi_pci_attach 93 1.2.2.2 thorpej }; 94 1.2.2.2 thorpej 95 1.2.2.2 thorpej const struct wi_pci_product { 96 1.2.2.2 thorpej pci_vendor_id_t wpp_vendor; /* vendor ID */ 97 1.2.2.2 thorpej pci_product_id_t wpp_product; /* product ID */ 98 1.2.2.2 thorpej const char *wpp_name; /* product name */ 99 1.2.2.2 thorpej } wi_pci_products[] = { 100 1.2.2.2 thorpej { PCI_VENDOR_INTERSIL, PCI_PRODUCT_INTERSIL_MINI_PCI_WLAN, 101 1.2.2.2 thorpej "Intersil Prism2.5" }, 102 1.2.2.2 thorpej { 0, 0, 103 1.2.2.2 thorpej NULL}, 104 1.2.2.2 thorpej }; 105 1.2.2.2 thorpej 106 1.2.2.2 thorpej static int 107 1.2.2.2 thorpej wi_pci_enable(sc) 108 1.2.2.2 thorpej struct wi_softc *sc; 109 1.2.2.2 thorpej { 110 1.2.2.2 thorpej struct wi_pci_softc *psc = (struct wi_pci_softc *)sc; 111 1.2.2.2 thorpej 112 1.2.2.2 thorpej /* establish the interrupt. */ 113 1.2.2.2 thorpej sc->sc_ih = pci_intr_establish(psc->psc_pa->pa_pc, 114 1.2.2.2 thorpej psc->psc_ih, IPL_NET, wi_intr, sc); 115 1.2.2.2 thorpej if (sc->sc_ih == NULL) { 116 1.2.2.2 thorpej printf("%s: couldn't establish interrupt\n", 117 1.2.2.2 thorpej sc->sc_dev.dv_xname); 118 1.2.2.2 thorpej return (EIO); 119 1.2.2.2 thorpej } 120 1.2.2.2 thorpej sc->sc_pci = 1; 121 1.2.2.2 thorpej 122 1.2.2.2 thorpej /* reset HFA3842 MAC core */ 123 1.2.2.2 thorpej wi_pci_reset(sc); 124 1.2.2.2 thorpej 125 1.2.2.2 thorpej return (0); 126 1.2.2.2 thorpej } 127 1.2.2.2 thorpej 128 1.2.2.2 thorpej static void 129 1.2.2.2 thorpej wi_pci_disable(sc) 130 1.2.2.2 thorpej struct wi_softc *sc; 131 1.2.2.2 thorpej { 132 1.2.2.2 thorpej struct wi_pci_softc *psc = (struct wi_pci_softc *)sc; 133 1.2.2.2 thorpej 134 1.2.2.2 thorpej pci_intr_disestablish(psc->psc_pa->pa_pc, sc->sc_ih); 135 1.2.2.2 thorpej } 136 1.2.2.2 thorpej 137 1.2.2.2 thorpej static const struct wi_pci_product * 138 1.2.2.2 thorpej wi_pci_lookup(pa) 139 1.2.2.2 thorpej struct pci_attach_args *pa; 140 1.2.2.2 thorpej { 141 1.2.2.2 thorpej const struct wi_pci_product *wpp; 142 1.2.2.2 thorpej 143 1.2.2.2 thorpej for (wpp = wi_pci_products; wpp->wpp_name != NULL; wpp++) { 144 1.2.2.2 thorpej if (PCI_VENDOR(pa->pa_id) == wpp->wpp_vendor && 145 1.2.2.2 thorpej PCI_PRODUCT(pa->pa_id) == wpp->wpp_product) 146 1.2.2.2 thorpej return (wpp); 147 1.2.2.2 thorpej } 148 1.2.2.2 thorpej return (NULL); 149 1.2.2.2 thorpej } 150 1.2.2.2 thorpej 151 1.2.2.2 thorpej static int 152 1.2.2.2 thorpej wi_pci_match(parent, match, aux) 153 1.2.2.2 thorpej struct device *parent; 154 1.2.2.2 thorpej struct cfdata *match; 155 1.2.2.2 thorpej void *aux; 156 1.2.2.2 thorpej { 157 1.2.2.2 thorpej struct pci_attach_args *pa = aux; 158 1.2.2.2 thorpej 159 1.2.2.2 thorpej if (wi_pci_lookup(pa) != NULL) 160 1.2.2.2 thorpej return (1); 161 1.2.2.2 thorpej return (0); 162 1.2.2.2 thorpej } 163 1.2.2.2 thorpej 164 1.2.2.2 thorpej static void 165 1.2.2.2 thorpej wi_pci_attach(parent, self, aux) 166 1.2.2.2 thorpej struct device *parent, *self; 167 1.2.2.2 thorpej void *aux; 168 1.2.2.2 thorpej { 169 1.2.2.2 thorpej struct wi_pci_softc *psc = (struct wi_pci_softc *)self; 170 1.2.2.2 thorpej struct wi_softc *sc = &psc->psc_wi; 171 1.2.2.2 thorpej struct pci_attach_args *pa = aux; 172 1.2.2.2 thorpej pci_chipset_tag_t pc = pa->pa_pc; 173 1.2.2.2 thorpej const char *intrstr; 174 1.2.2.2 thorpej const struct wi_pci_product *wpp; 175 1.2.2.2 thorpej pci_intr_handle_t ih; 176 1.2.2.2 thorpej bus_space_tag_t memt; 177 1.2.2.2 thorpej bus_space_handle_t memh; 178 1.2.2.2 thorpej int memh_valid; 179 1.2.2.2 thorpej bus_addr_t busbase; 180 1.2.2.2 thorpej bus_size_t bussize; 181 1.2.2.2 thorpej 182 1.2.2.2 thorpej psc->psc_pa = pa; 183 1.2.2.2 thorpej 184 1.2.2.2 thorpej memh_valid = !pci_mapreg_map(pa, WI_PCI_CBMA, 185 1.2.2.2 thorpej PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 186 1.2.2.2 thorpej &memt, &memh, &busbase, &bussize); 187 1.2.2.2 thorpej 188 1.2.2.2 thorpej if(memh_valid){ 189 1.2.2.2 thorpej sc->sc_iot = memt; 190 1.2.2.2 thorpej sc->sc_ioh = memh; 191 1.2.2.2 thorpej } 192 1.2.2.2 thorpej else { 193 1.2.2.2 thorpej printf(": unable to map device registers\n"); 194 1.2.2.2 thorpej return; 195 1.2.2.2 thorpej } 196 1.2.2.2 thorpej 197 1.2.2.2 thorpej wpp = wi_pci_lookup(pa); 198 1.2.2.2 thorpej if (wpp == NULL) { 199 1.2.2.2 thorpej printf("\n"); 200 1.2.2.2 thorpej panic("wi_pci_attach: impossible"); 201 1.2.2.2 thorpej } 202 1.2.2.2 thorpej 203 1.2.2.2 thorpej printf(": %s Wireless Lan\n", wpp->wpp_name); 204 1.2.2.2 thorpej 205 1.2.2.2 thorpej sc->sc_pci = 1; 206 1.2.2.2 thorpej sc->sc_enabled = 1; 207 1.2.2.2 thorpej sc->sc_enable = wi_pci_enable; 208 1.2.2.2 thorpej sc->sc_disable = wi_pci_disable; 209 1.2.2.2 thorpej 210 1.2.2.2 thorpej /* Enable the card. */ 211 1.2.2.2 thorpej pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 212 1.2.2.2 thorpej pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 213 1.2.2.2 thorpej PCI_COMMAND_MASTER_ENABLE); 214 1.2.2.2 thorpej 215 1.2.2.2 thorpej 216 1.2.2.2 thorpej /* Map and establish the interrupt. */ 217 1.2.2.2 thorpej if (pci_intr_map(pa, &ih)) { 218 1.2.2.2 thorpej printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 219 1.2.2.2 thorpej return; 220 1.2.2.2 thorpej } 221 1.2.2.2 thorpej intrstr = pci_intr_string(pc, ih); 222 1.2.2.2 thorpej 223 1.2.2.2 thorpej psc->psc_ih = ih; 224 1.2.2.2 thorpej sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, wi_intr, sc); 225 1.2.2.2 thorpej if (sc->sc_ih == NULL) { 226 1.2.2.2 thorpej printf("%s: couldn't establish interrupt", 227 1.2.2.2 thorpej sc->sc_dev.dv_xname); 228 1.2.2.2 thorpej if (intrstr != NULL) 229 1.2.2.2 thorpej printf(" at %s", intrstr); 230 1.2.2.2 thorpej printf("\n"); 231 1.2.2.2 thorpej return; 232 1.2.2.2 thorpej } 233 1.2.2.2 thorpej 234 1.2.2.2 thorpej printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 235 1.2.2.2 thorpej 236 1.2.2.2 thorpej /* reset HFA3842 MAC core */ 237 1.2.2.2 thorpej wi_pci_reset(sc); 238 1.2.2.2 thorpej 239 1.2.2.2 thorpej sc->sc_ifp = &sc->sc_ethercom.ec_if; 240 1.2.2.2 thorpej if (wi_attach(sc) != 0) { 241 1.2.2.2 thorpej printf("%s: failed to attach controller\n", 242 1.2.2.2 thorpej sc->sc_dev.dv_xname); 243 1.2.2.2 thorpej pci_intr_disestablish(pa->pa_pc, sc->sc_ih); 244 1.2.2.2 thorpej return; 245 1.2.2.2 thorpej } 246 1.2.2.2 thorpej 247 1.2.2.2 thorpej /* Add a suspend hook to restore PCI config state */ 248 1.2.2.2 thorpej psc->sc_powerhook = powerhook_establish(wi_pci_powerhook, psc); 249 1.2.2.2 thorpej if (psc->sc_powerhook == NULL) 250 1.2.2.2 thorpej printf ("%s: WARNING: unable to establish pci power hook\n", 251 1.2.2.2 thorpej sc->sc_dev.dv_xname); 252 1.2.2.2 thorpej } 253 1.2.2.2 thorpej 254 1.2.2.2 thorpej static void 255 1.2.2.2 thorpej wi_pci_powerhook(why, arg) 256 1.2.2.2 thorpej int why; 257 1.2.2.2 thorpej void *arg; 258 1.2.2.2 thorpej { 259 1.2.2.2 thorpej struct wi_pci_softc *psc = arg; 260 1.2.2.2 thorpej struct wi_softc *sc = &psc->psc_wi; 261 1.2.2.2 thorpej 262 1.2.2.2 thorpej wi_power(sc, why); 263 1.2.2.2 thorpej } 264
Indexes created Wed Oct 01 19:09:53 GMT 2025