if_wi_pci.c revision 1.1.2.2
1 1.1.2.2 nathanw /* $NetBSD: if_wi_pci.c,v 1.1.2.2 2001/10/22 20:41:24 nathanw Exp $ */ 2 1.1.2.2 nathanw 3 1.1.2.2 nathanw /*- 4 1.1.2.2 nathanw * Copyright (c) 2001 The NetBSD Foundation, Inc. 5 1.1.2.2 nathanw * All rights reserved. 6 1.1.2.2 nathanw * 7 1.1.2.2 nathanw * This code is derived from software contributed to The NetBSD Foundation 8 1.1.2.2 nathanw * by Hideaki Imaizumi <hiddy (at) sfc.wide.ad.jp> 9 1.1.2.2 nathanw * and Ichiro FUKUHARA (ichiro (at) ichiro.org). 10 1.1.2.2 nathanw * 11 1.1.2.2 nathanw * Redistribution and use in source and binary forms, with or without 12 1.1.2.2 nathanw * modification, are permitted provided that the following conditions 13 1.1.2.2 nathanw * are met: 14 1.1.2.2 nathanw * 1. Redistributions of source code must retain the above copyright 15 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer. 16 1.1.2.2 nathanw * 2. Redistributions in binary form must reproduce the above copyright 17 1.1.2.2 nathanw * notice, this list of conditions and the following disclaimer in the 18 1.1.2.2 nathanw * documentation and/or other materials provided with the distribution. 19 1.1.2.2 nathanw * 3. All advertising materials mentioning features or use of this software 20 1.1.2.2 nathanw * must display the following acknowledgement: 21 1.1.2.2 nathanw * This product includes software developed by the NetBSD 22 1.1.2.2 nathanw * Foundation, Inc. and its contributors. 23 1.1.2.2 nathanw * 4. Neither the name of The NetBSD Foundation nor the names of its 24 1.1.2.2 nathanw * contributors may be used to endorse or promote products derived 25 1.1.2.2 nathanw * from this software without specific prior written permission. 26 1.1.2.2 nathanw * 27 1.1.2.2 nathanw * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 28 1.1.2.2 nathanw * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 29 1.1.2.2 nathanw * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 30 1.1.2.2 nathanw * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 31 1.1.2.2 nathanw * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 32 1.1.2.2 nathanw * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 33 1.1.2.2 nathanw * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 34 1.1.2.2 nathanw * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 35 1.1.2.2 nathanw * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 36 1.1.2.2 nathanw * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 37 1.1.2.2 nathanw * POSSIBILITY OF SUCH DAMAGE. 38 1.1.2.2 nathanw */ 39 1.1.2.2 nathanw 40 1.1.2.2 nathanw /* 41 1.1.2.2 nathanw * PCI bus front-end for the Intersil PCI WaveLan. 42 1.1.2.2 nathanw * Works with Prism2.5 Mini-PCI wavelan. 43 1.1.2.2 nathanw */ 44 1.1.2.2 nathanw 45 1.1.2.2 nathanw #include <sys/param.h> 46 1.1.2.2 nathanw #include <sys/systm.h> 47 1.1.2.2 nathanw #include <sys/mbuf.h> 48 1.1.2.2 nathanw #include <sys/syslog.h> 49 1.1.2.2 nathanw #include <sys/socket.h> 50 1.1.2.2 nathanw #include <sys/device.h> 51 1.1.2.2 nathanw #include <sys/callout.h> 52 1.1.2.2 nathanw 53 1.1.2.2 nathanw #include <net/if.h> 54 1.1.2.2 nathanw #include <net/if_ether.h> 55 1.1.2.2 nathanw #include <net/if_media.h> 56 1.1.2.2 nathanw #include <net/if_ieee80211.h> 57 1.1.2.2 nathanw 58 1.1.2.2 nathanw #include <machine/bus.h> 59 1.1.2.2 nathanw #include <machine/intr.h> 60 1.1.2.2 nathanw 61 1.1.2.2 nathanw #include <dev/pci/pcireg.h> 62 1.1.2.2 nathanw #include <dev/pci/pcivar.h> 63 1.1.2.2 nathanw #include <dev/pci/pcidevs.h> 64 1.1.2.2 nathanw 65 1.1.2.2 nathanw #include <dev/ic/wi_ieee.h> 66 1.1.2.2 nathanw #include <dev/ic/wireg.h> 67 1.1.2.2 nathanw #include <dev/ic/wivar.h> 68 1.1.2.2 nathanw 69 1.1.2.2 nathanw struct wi_pci_softc { 70 1.1.2.2 nathanw struct wi_softc psc_wi; /* real "wi" softc */ 71 1.1.2.2 nathanw 72 1.1.2.2 nathanw /* PCI-specific goo */ 73 1.1.2.2 nathanw pci_intr_handle_t psc_ih; 74 1.1.2.2 nathanw struct pci_attach_args *psc_pa; 75 1.1.2.2 nathanw 76 1.1.2.2 nathanw void *sc_powerhook; /* power hook descriptor */ 77 1.1.2.2 nathanw }; 78 1.1.2.2 nathanw 79 1.1.2.2 nathanw static int wi_pci_match __P((struct device *, struct cfdata *, void *)); 80 1.1.2.2 nathanw static void wi_pci_attach __P((struct device *, struct device *, void *)); 81 1.1.2.2 nathanw static int wi_pci_enable __P((struct wi_softc *)); 82 1.1.2.2 nathanw static void wi_pci_disable __P((struct wi_softc *)); 83 1.1.2.2 nathanw static void wi_pci_powerhook __P((int, void *)); 84 1.1.2.2 nathanw 85 1.1.2.2 nathanw static const struct wi_pci_product 86 1.1.2.2 nathanw *wi_pci_lookup __P((struct pci_attach_args *)); 87 1.1.2.2 nathanw 88 1.1.2.2 nathanw struct cfattach wi_pci_ca = { 89 1.1.2.2 nathanw sizeof(struct wi_pci_softc), wi_pci_match, wi_pci_attach 90 1.1.2.2 nathanw }; 91 1.1.2.2 nathanw 92 1.1.2.2 nathanw const struct wi_pci_product { 93 1.1.2.2 nathanw pci_vendor_id_t wpp_vendor; /* vendor ID */ 94 1.1.2.2 nathanw pci_product_id_t wpp_product; /* product ID */ 95 1.1.2.2 nathanw const char *wpp_name; /* product name */ 96 1.1.2.2 nathanw } wi_pci_products[] = { 97 1.1.2.2 nathanw { PCI_VENDOR_INTERSIL, PCI_PRODUCT_INTERSIL_MINI_PCI_WLAN, 98 1.1.2.2 nathanw "Intersil Prism2.5" }, 99 1.1.2.2 nathanw { 0, 0, 100 1.1.2.2 nathanw NULL}, 101 1.1.2.2 nathanw }; 102 1.1.2.2 nathanw 103 1.1.2.2 nathanw static int 104 1.1.2.2 nathanw wi_pci_enable(sc) 105 1.1.2.2 nathanw struct wi_softc *sc; 106 1.1.2.2 nathanw { 107 1.1.2.2 nathanw struct wi_pci_softc *psc = (struct wi_pci_softc *)sc; 108 1.1.2.2 nathanw 109 1.1.2.2 nathanw /* establish the interrupt. */ 110 1.1.2.2 nathanw sc->sc_ih = pci_intr_establish(psc->psc_pa->pa_pc, 111 1.1.2.2 nathanw psc->psc_ih, IPL_NET, wi_intr, sc); 112 1.1.2.2 nathanw if (sc->sc_ih == NULL) { 113 1.1.2.2 nathanw printf("%s: couldn't establish interrupt\n", 114 1.1.2.2 nathanw sc->sc_dev.dv_xname); 115 1.1.2.2 nathanw return (EIO); 116 1.1.2.2 nathanw } 117 1.1.2.2 nathanw sc->sc_pci = 1; 118 1.1.2.2 nathanw 119 1.1.2.2 nathanw /* reset HFA3842 MAC core */ 120 1.1.2.2 nathanw wi_pci_reset(sc); 121 1.1.2.2 nathanw 122 1.1.2.2 nathanw return (0); 123 1.1.2.2 nathanw } 124 1.1.2.2 nathanw 125 1.1.2.2 nathanw static void 126 1.1.2.2 nathanw wi_pci_disable(sc) 127 1.1.2.2 nathanw struct wi_softc *sc; 128 1.1.2.2 nathanw { 129 1.1.2.2 nathanw struct wi_pci_softc *psc = (struct wi_pci_softc *)sc; 130 1.1.2.2 nathanw 131 1.1.2.2 nathanw pci_intr_disestablish(psc->psc_pa->pa_pc, sc->sc_ih); 132 1.1.2.2 nathanw } 133 1.1.2.2 nathanw 134 1.1.2.2 nathanw static const struct wi_pci_product * 135 1.1.2.2 nathanw wi_pci_lookup(pa) 136 1.1.2.2 nathanw struct pci_attach_args *pa; 137 1.1.2.2 nathanw { 138 1.1.2.2 nathanw const struct wi_pci_product *wpp; 139 1.1.2.2 nathanw 140 1.1.2.2 nathanw for (wpp = wi_pci_products; wpp->wpp_name != NULL; wpp++) { 141 1.1.2.2 nathanw if (PCI_VENDOR(pa->pa_id) == wpp->wpp_vendor && 142 1.1.2.2 nathanw PCI_PRODUCT(pa->pa_id) == wpp->wpp_product) 143 1.1.2.2 nathanw return (wpp); 144 1.1.2.2 nathanw } 145 1.1.2.2 nathanw return (NULL); 146 1.1.2.2 nathanw } 147 1.1.2.2 nathanw 148 1.1.2.2 nathanw static int 149 1.1.2.2 nathanw wi_pci_match(parent, match, aux) 150 1.1.2.2 nathanw struct device *parent; 151 1.1.2.2 nathanw struct cfdata *match; 152 1.1.2.2 nathanw void *aux; 153 1.1.2.2 nathanw { 154 1.1.2.2 nathanw struct pci_attach_args *pa = aux; 155 1.1.2.2 nathanw 156 1.1.2.2 nathanw if (wi_pci_lookup(pa) != NULL) 157 1.1.2.2 nathanw return (1); 158 1.1.2.2 nathanw return (0); 159 1.1.2.2 nathanw } 160 1.1.2.2 nathanw 161 1.1.2.2 nathanw static void 162 1.1.2.2 nathanw wi_pci_attach(parent, self, aux) 163 1.1.2.2 nathanw struct device *parent, *self; 164 1.1.2.2 nathanw void *aux; 165 1.1.2.2 nathanw { 166 1.1.2.2 nathanw struct wi_pci_softc *psc = (struct wi_pci_softc *)self; 167 1.1.2.2 nathanw struct wi_softc *sc = &psc->psc_wi; 168 1.1.2.2 nathanw struct pci_attach_args *pa = aux; 169 1.1.2.2 nathanw pci_chipset_tag_t pc = pa->pa_pc; 170 1.1.2.2 nathanw const char *intrstr; 171 1.1.2.2 nathanw const struct wi_pci_product *wpp; 172 1.1.2.2 nathanw pci_intr_handle_t ih; 173 1.1.2.2 nathanw bus_space_tag_t memt; 174 1.1.2.2 nathanw bus_space_handle_t memh; 175 1.1.2.2 nathanw int memh_valid; 176 1.1.2.2 nathanw bus_addr_t busbase; 177 1.1.2.2 nathanw bus_size_t bussize; 178 1.1.2.2 nathanw 179 1.1.2.2 nathanw psc->psc_pa = pa; 180 1.1.2.2 nathanw 181 1.1.2.2 nathanw memh_valid = !pci_mapreg_map(pa, WI_PCI_CBMA, 182 1.1.2.2 nathanw PCI_MAPREG_TYPE_MEM | PCI_MAPREG_MEM_TYPE_32BIT, 0, 183 1.1.2.2 nathanw &memt, &memh, &busbase, &bussize); 184 1.1.2.2 nathanw 185 1.1.2.2 nathanw if(memh_valid){ 186 1.1.2.2 nathanw sc->sc_iot = memt; 187 1.1.2.2 nathanw sc->sc_ioh = memh; 188 1.1.2.2 nathanw } 189 1.1.2.2 nathanw else { 190 1.1.2.2 nathanw printf(": unable to map device registers\n"); 191 1.1.2.2 nathanw return; 192 1.1.2.2 nathanw } 193 1.1.2.2 nathanw 194 1.1.2.2 nathanw wpp = wi_pci_lookup(pa); 195 1.1.2.2 nathanw if (wpp == NULL) { 196 1.1.2.2 nathanw printf("\n"); 197 1.1.2.2 nathanw panic("wi_pci_attach: impossible"); 198 1.1.2.2 nathanw } 199 1.1.2.2 nathanw 200 1.1.2.2 nathanw printf(": %s Wireless Lan\n", wpp->wpp_name); 201 1.1.2.2 nathanw 202 1.1.2.2 nathanw sc->sc_pci = 1; 203 1.1.2.2 nathanw sc->sc_enabled = 1; 204 1.1.2.2 nathanw sc->sc_enable = wi_pci_enable; 205 1.1.2.2 nathanw sc->sc_disable = wi_pci_disable; 206 1.1.2.2 nathanw 207 1.1.2.2 nathanw /* Enable the card. */ 208 1.1.2.2 nathanw pci_conf_write(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG, 209 1.1.2.2 nathanw pci_conf_read(pc, pa->pa_tag, PCI_COMMAND_STATUS_REG) | 210 1.1.2.2 nathanw PCI_COMMAND_MASTER_ENABLE); 211 1.1.2.2 nathanw 212 1.1.2.2 nathanw 213 1.1.2.2 nathanw /* Map and establish the interrupt. */ 214 1.1.2.2 nathanw if (pci_intr_map(pa, &ih)) { 215 1.1.2.2 nathanw printf("%s: couldn't map interrupt\n", sc->sc_dev.dv_xname); 216 1.1.2.2 nathanw return; 217 1.1.2.2 nathanw } 218 1.1.2.2 nathanw intrstr = pci_intr_string(pc, ih); 219 1.1.2.2 nathanw 220 1.1.2.2 nathanw psc->psc_ih = ih; 221 1.1.2.2 nathanw sc->sc_ih = pci_intr_establish(pc, ih, IPL_NET, wi_intr, sc); 222 1.1.2.2 nathanw if (sc->sc_ih == NULL) { 223 1.1.2.2 nathanw printf("%s: couldn't establish interrupt", 224 1.1.2.2 nathanw sc->sc_dev.dv_xname); 225 1.1.2.2 nathanw if (intrstr != NULL) 226 1.1.2.2 nathanw printf(" at %s", intrstr); 227 1.1.2.2 nathanw printf("\n"); 228 1.1.2.2 nathanw return; 229 1.1.2.2 nathanw } 230 1.1.2.2 nathanw 231 1.1.2.2 nathanw printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, intrstr); 232 1.1.2.2 nathanw 233 1.1.2.2 nathanw /* reset HFA3842 MAC core */ 234 1.1.2.2 nathanw wi_pci_reset(sc); 235 1.1.2.2 nathanw 236 1.1.2.2 nathanw sc->sc_ifp = &sc->sc_ethercom.ec_if; 237 1.1.2.2 nathanw if (wi_attach(sc) != 0) { 238 1.1.2.2 nathanw printf("%s: failed to attach controller\n", 239 1.1.2.2 nathanw sc->sc_dev.dv_xname); 240 1.1.2.2 nathanw pci_intr_disestablish(pa->pa_pc, sc->sc_ih); 241 1.1.2.2 nathanw return; 242 1.1.2.2 nathanw } 243 1.1.2.2 nathanw 244 1.1.2.2 nathanw /* Add a suspend hook to restore PCI config state */ 245 1.1.2.2 nathanw psc->sc_powerhook = powerhook_establish(wi_pci_powerhook, psc); 246 1.1.2.2 nathanw if (psc->sc_powerhook == NULL) 247 1.1.2.2 nathanw printf ("%s: WARNING: unable to establish pci power hook\n", 248 1.1.2.2 nathanw sc->sc_dev.dv_xname); 249 1.1.2.2 nathanw } 250 1.1.2.2 nathanw 251 1.1.2.2 nathanw static void 252 1.1.2.2 nathanw wi_pci_powerhook(why, arg) 253 1.1.2.2 nathanw int why; 254 1.1.2.2 nathanw void *arg; 255 1.1.2.2 nathanw { 256 1.1.2.2 nathanw struct wi_pci_softc *psc = arg; 257 1.1.2.2 nathanw struct wi_softc *sc = &psc->psc_wi; 258 1.1.2.2 nathanw 259 1.1.2.2 nathanw wi_power(sc, why); 260 1.1.2.2 nathanw } 261
Indexes created Wed Oct 01 19:09:53 GMT 2025