1 /* $OpenBSD: if_wi_obio.c,v 1.17 2011/07/03 15:47:16 matthew Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1998, 1999 5 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul. 18 * 4. Neither the name of the author nor the names of any co-contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD 26 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 27 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 28 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 29 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 30 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 31 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 32 * THE POSSIBILITY OF SUCH DAMAGE. 33 * 34 * From: if_wi.c,v 1.7 1999/07/04 14:40:22 wpaul Exp $ 35 */ 36 37 /* 38 * Lucent WaveLAN/IEEE 802.11 PCMCIA driver for OpenBSD. 39 * 40 * Originally written by Bill Paul <wpaul@ctr.columbia.edu> 41 * Electrical Engineering Department 42 * Columbia University, New York City 43 */ 44 /* 45 * modified for apple obio by Dale Rahn 46 */ 47 48 #include <sys/param.h> 49 #include <sys/systm.h> 50 #include <sys/timeout.h> 51 #include <sys/socket.h> 52 #include <sys/device.h> 53 #include <sys/tree.h> 54 55 #include <net/if.h> 56 #include <net/if_dl.h> 57 #include <net/if_media.h> 58 59 #ifdef INET 60 #include <netinet/in.h> 61 #include <netinet/if_ether.h> 62 #endif 63 64 #include <net80211/ieee80211.h> 65 #include <net80211/ieee80211_ioctl.h> 66 #include <net80211/ieee80211_var.h> 67 68 #include <machine/bus.h> 69 #include <machine/autoconf.h> 70 71 #include <dev/ic/if_wireg.h> 72 #include <dev/ic/if_wi_ieee.h> 73 #include <dev/ic/if_wivar.h> 74 75 int wi_obio_match(struct device *, void *, void *); 76 void wi_obio_attach(struct device *, struct device *, void *); 77 int wi_obio_detach(struct device *, int); 78 int wi_obio_activate(struct device *, int); 79 void wi_obio_attach(struct device *, struct device *, void *); 80 int wi_obio_enable(struct wi_softc *sc); 81 void wi_obio_disable(struct wi_softc *sc); 82 83 struct wi_obio_softc { 84 struct wi_softc sc_wi; 85 u_int keywest; 86 }; 87 88 struct cfattach wi_obio_ca = { 89 sizeof (struct wi_obio_softc), wi_obio_match, wi_obio_attach, 90 wi_obio_detach, wi_obio_activate 91 }; 92 93 94 int 95 wi_obio_match(parent, match, aux) 96 struct device *parent; 97 void *match, *aux; 98 { 99 struct confargs *ca = aux; 100 101 if (strcmp(ca->ca_name, "radio") == 0 && 102 ca->ca_nintr >= 4 && ca->ca_nreg >= 8) 103 return (1); 104 return (0); 105 } 106 107 void 108 wi_obio_attach(parent, self, aux) 109 struct device *parent, *self; 110 void *aux; 111 { 112 struct wi_obio_softc *psc = (struct wi_obio_softc *)self; 113 struct wi_softc *sc = &psc->sc_wi; 114 struct confargs *ca = aux; 115 116 printf(" irq %d:", ca->ca_intr[0]); 117 118 sc->wi_btag = ca->ca_iot; 119 ca->ca_reg[0] += ca->ca_baseaddr; 120 if (bus_space_map(sc->wi_btag, ca->ca_reg[0], ca->ca_reg[1], 0, &sc->wi_bhandle)) { 121 printf("can't map i/o space\n"); 122 } 123 /* FSCKING hackery */ 124 psc->keywest = (u_int) mapiodev(0x80000000, 0x1d000); 125 126 /* Establish the interrupt. */ 127 mac_intr_establish(parent, ca->ca_intr[0], IST_LEVEL, IPL_NET, 128 wi_intr, psc, sc->sc_dev.dv_xname); 129 130 /* Make sure interrupts are disabled. */ 131 CSR_WRITE_2(sc, WI_INT_EN, 0); 132 CSR_WRITE_2(sc, WI_EVENT_ACK, 0xffff); 133 134 wi_obio_enable(sc); 135 136 printf("\n"); 137 wi_attach(sc, &wi_func_io); 138 } 139 140 int 141 wi_obio_detach(dev, flags) 142 struct device *dev; 143 int flags; 144 { 145 struct wi_obio_softc *psc = (struct wi_obio_softc *)dev; 146 struct wi_softc *sc = &psc->sc_wi; 147 struct ifnet *ifp = &sc->sc_ic.ic_if; 148 149 /* 150 obio_io_unmap(psc->sc_pf, psc->sc_io_window); 151 obio_io_free(psc->sc_pf, &psc->sc_pcioh); 152 */ 153 154 wi_obio_disable(sc); 155 ether_ifdetach(ifp); 156 if_detach(ifp); 157 158 return (0); 159 } 160 161 int 162 wi_obio_activate(dev, act) 163 struct device *dev; 164 int act; 165 { 166 struct wi_obio_softc *psc = (struct wi_obio_softc *)dev; 167 struct wi_softc *sc = &psc->sc_wi; 168 struct ifnet *ifp = &sc->sc_ic.ic_if; 169 int s; 170 171 s = splnet(); 172 switch (act) { 173 case DVACT_DEACTIVATE: 174 ifp->if_timer = 0; 175 if (ifp->if_flags & IFF_RUNNING) 176 wi_stop(sc); 177 wi_obio_disable(sc); 178 break; 179 } 180 splx(s); 181 return (0); 182 } 183 184 /* THIS IS CRAP */ 185 186 int 187 wi_obio_enable(sc) 188 struct wi_softc *sc; 189 { 190 struct wi_obio_softc *psc = (struct wi_obio_softc *)sc; 191 const u_int keywest = psc->keywest; /* XXX */ 192 const u_int fcr2 = keywest + 0x40; 193 const u_int gpio = keywest + 0x6a; 194 const u_int extint_gpio = keywest + 0x58; 195 u_int x; 196 197 x = in32rb(fcr2); 198 x |= 0x4; 199 out32rb(fcr2, x); 200 201 /* Enable card slot. */ 202 out8(gpio + 0x0f, 5); 203 delay(1000); 204 out8(gpio + 0x0f, 4); 205 delay(1000); 206 207 x = in32rb(fcr2); 208 x &= ~0x8000000; 209 210 out32rb(fcr2, x); 211 /* out8(gpio + 0x10, 4); */ 212 213 out8(extint_gpio + 0x0b, 0); 214 out8(extint_gpio + 0x0a, 0x28); 215 out8(extint_gpio + 0x0d, 0x28); 216 out8(gpio + 0x0d, 0x28); 217 out8(gpio + 0x0e, 0x28); 218 out32rb(keywest + 0x1c000, 0); 219 220 /* Initialize the card. */ 221 out32rb(keywest + 0x1a3e0, 0x41); 222 x = in32rb(fcr2); 223 x |= 0x8000000; 224 out32rb(fcr2, x); 225 226 return 0; 227 } 228 229 void 230 wi_obio_disable(sc) 231 struct wi_softc *sc; 232 { 233 struct wi_obio_softc *psc = (struct wi_obio_softc *)sc; 234 const u_int keywest = psc->keywest; /* XXX */ 235 const u_int fcr2 = keywest + 0x40; 236 u_int x; 237 238 x = in32rb(fcr2); 239 x &= ~0x4; 240 out32rb(fcr2, x); 241 /* out8(gpio + 0x10, 0); */ 242 } 243