Annotation of sys/dev/pcmcia/if_an_pcmcia.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: if_an_pcmcia.c,v 1.19 2006/03/10 00:27:55 jsg Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1999 Michael Shalayeff
! 5: * 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: *
! 16: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 17: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 18: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 19: * IN NO EVENT SHALL THE AUTHOR OR HIS RELATIVES BE LIABLE FOR ANY DIRECT,
! 20: * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
! 21: * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
! 22: * SERVICES; LOSS OF MIND, USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 23: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
! 24: * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
! 25: * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
! 26: * THE POSSIBILITY OF SUCH DAMAGE.
! 27: */
! 28:
! 29: #include <sys/param.h>
! 30: #include <sys/systm.h>
! 31: #include <sys/device.h>
! 32: #include <sys/timeout.h>
! 33: #include <sys/socket.h>
! 34: #include <sys/tree.h>
! 35:
! 36: #include <net/if.h>
! 37: #include <net/if_dl.h>
! 38: #include <net/if_types.h>
! 39: #include <net/if_media.h>
! 40:
! 41: #include <netinet/in.h>
! 42: #include <netinet/if_ether.h>
! 43:
! 44: #include <net80211/ieee80211_var.h>
! 45: #include <net80211/ieee80211_radiotap.h>
! 46:
! 47: #include <machine/bus.h>
! 48:
! 49: #include <dev/pcmcia/pcmciareg.h>
! 50: #include <dev/pcmcia/pcmciavar.h>
! 51: #include <dev/pcmcia/pcmciadevs.h>
! 52:
! 53: #include <dev/ic/anreg.h>
! 54: #include <dev/ic/anvar.h>
! 55:
! 56: int an_pcmcia_match(struct device *, void *, void *);
! 57: void an_pcmcia_attach(struct device *, struct device *, void *);
! 58: int an_pcmcia_detach(struct device *, int);
! 59: int an_pcmcia_activate(struct device *, enum devact);
! 60:
! 61: struct an_pcmcia_softc {
! 62: struct an_softc sc_an;
! 63:
! 64: struct pcmcia_io_handle sc_pcioh;
! 65: int sc_io_window;
! 66: struct pcmcia_function *sc_pf;
! 67:
! 68: int sc_state;
! 69: #define AN_PCMCIA_ATTACHED 3
! 70: };
! 71:
! 72: struct cfattach an_pcmcia_ca = {
! 73: sizeof(struct an_pcmcia_softc), an_pcmcia_match, an_pcmcia_attach,
! 74: an_pcmcia_detach, an_pcmcia_activate
! 75: };
! 76:
! 77: int
! 78: an_pcmcia_match(struct device *parent, void *match, void *aux)
! 79: {
! 80: struct pcmcia_attach_args *pa = aux;
! 81:
! 82: if (pa->pf->function != PCMCIA_FUNCTION_NETWORK)
! 83: return 0;
! 84:
! 85: switch (pa->manufacturer) {
! 86: case PCMCIA_VENDOR_AIRONET:
! 87: switch (pa->product) {
! 88: case PCMCIA_PRODUCT_AIRONET_PC4500:
! 89: case PCMCIA_PRODUCT_AIRONET_PC4800:
! 90: case PCMCIA_PRODUCT_AIRONET_350:
! 91: return 1;
! 92: }
! 93: }
! 94:
! 95: return 0;
! 96: }
! 97:
! 98: void
! 99: an_pcmcia_attach(struct device *parent, struct device *self, void *aux)
! 100: {
! 101: struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)self;
! 102: struct an_softc *sc = (struct an_softc *)self;
! 103: struct pcmcia_attach_args *pa = aux;
! 104: struct pcmcia_config_entry *cfe;
! 105: const char *intrstr;
! 106: int error;
! 107:
! 108: psc->sc_pf = pa->pf;
! 109: cfe = SIMPLEQ_FIRST(&pa->pf->cfe_head);
! 110:
! 111: pcmcia_function_init(pa->pf, cfe);
! 112: if (pcmcia_function_enable(pa->pf)) {
! 113: printf(": function enable failed\n");
! 114: return;
! 115: }
! 116:
! 117: if (pcmcia_io_alloc(pa->pf, 0, AN_IOSIZ, AN_IOSIZ, &psc->sc_pcioh)) {
! 118: printf(": can't alloc i/o space\n");
! 119: pcmcia_function_disable(pa->pf);
! 120: return;
! 121: }
! 122:
! 123: if (pcmcia_io_map(pa->pf, PCMCIA_WIDTH_IO16, 0, AN_IOSIZ,
! 124: &psc->sc_pcioh, &psc->sc_io_window)) {
! 125: printf(": can't map i/o space\n");
! 126: pcmcia_io_free(pa->pf, &psc->sc_pcioh);
! 127: pcmcia_function_disable(pa->pf);
! 128: return;
! 129: }
! 130:
! 131: sc->sc_iot = psc->sc_pcioh.iot;
! 132: sc->sc_ioh = psc->sc_pcioh.ioh;
! 133: sc->sc_enabled = 1;
! 134:
! 135: sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc,
! 136: sc->sc_dev.dv_xname);
! 137: intrstr = pcmcia_intr_string(psc->sc_pf, sc->sc_ih);
! 138: if (*intrstr)
! 139: printf(", %s", intrstr);
! 140: printf("\n");
! 141:
! 142: error = an_attach(sc);
! 143: if (error) {
! 144: printf("%s: failed to attach controller\n",
! 145: self->dv_xname);
! 146: return;
! 147: }
! 148:
! 149: sc->sc_enabled = 0;
! 150: psc->sc_state = AN_PCMCIA_ATTACHED;
! 151: }
! 152:
! 153: int
! 154: an_pcmcia_detach(struct device *dev, int flags)
! 155: {
! 156: struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)dev;
! 157: int error;
! 158:
! 159: if (psc->sc_state != AN_PCMCIA_ATTACHED)
! 160: return (0);
! 161:
! 162: error = an_detach(&psc->sc_an);
! 163: if (error)
! 164: return (error);
! 165:
! 166: pcmcia_io_unmap(psc->sc_pf, psc->sc_io_window);
! 167: pcmcia_io_free(psc->sc_pf, &psc->sc_pcioh);
! 168:
! 169: return 0;
! 170: }
! 171:
! 172: int
! 173: an_pcmcia_activate(struct device *dev, enum devact act)
! 174: {
! 175: struct an_pcmcia_softc *psc = (struct an_pcmcia_softc *)dev;
! 176: struct an_softc *sc = &psc->sc_an;
! 177: struct ieee80211com *ic = &sc->sc_ic;
! 178: struct ifnet *ifp = &ic->ic_if;
! 179: int s;
! 180:
! 181: s = splnet();
! 182: switch (act) {
! 183: case DVACT_ACTIVATE:
! 184: pcmcia_function_enable(psc->sc_pf);
! 185: sc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET,
! 186: an_intr, sc, sc->sc_dev.dv_xname);
! 187: an_init(ifp);
! 188: break;
! 189:
! 190: case DVACT_DEACTIVATE:
! 191: ifp->if_timer = 0;
! 192: if (ifp->if_flags & IFF_RUNNING)
! 193: an_stop(ifp, 1);
! 194: pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
! 195: pcmcia_function_disable(psc->sc_pf);
! 196: break;
! 197: }
! 198:
! 199: splx(s);
! 200: return (0);
! 201: }
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