/* $NetBSD: if_an_pcmcia.c,v 1.41 2012/10/27 17:18:36 chs Exp $ */ /*- * Copyright (c) 2000, 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Atsushi Onoe * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. */ #include __KERNEL_RCSID(0, "$NetBSD: if_an_pcmcia.c,v 1.41 2012/10/27 17:18:36 chs Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include static int an_pcmcia_match(device_t, cfdata_t, void *); static int an_pcmcia_validate_config(struct pcmcia_config_entry *); static void an_pcmcia_attach(device_t, device_t, void *); static int an_pcmcia_detach(device_t, int); static int an_pcmcia_enable(struct an_softc *); static void an_pcmcia_disable(struct an_softc *); struct an_pcmcia_softc { struct an_softc sc_an; /* real "an" softc */ /* PCMCIA-specific goo */ struct pcmcia_io_handle sc_pcioh; /* PCMCIA i/o space info */ int sc_io_window; /* our i/o window */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* interrupt handle */ int sc_state; #define AN_PCMCIA_ATTACHED 3 }; CFATTACH_DECL_NEW(an_pcmcia, sizeof(struct an_pcmcia_softc), an_pcmcia_match, an_pcmcia_attach, an_pcmcia_detach, an_activate); static const struct pcmcia_product an_pcmcia_products[] = { { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4800, PCMCIA_CIS_AIRONET_PC4800 }, { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_PC4500, PCMCIA_CIS_AIRONET_PC4500 }, { PCMCIA_VENDOR_AIRONET, PCMCIA_PRODUCT_AIRONET_350, PCMCIA_CIS_AIRONET_350 }, }; static const size_t an_pcmcia_nproducts = sizeof(an_pcmcia_products) / sizeof(an_pcmcia_products[0]); static int an_pcmcia_match(device_t parent, cfdata_t match, void *aux) { struct pcmcia_attach_args *pa = aux; if (pcmcia_product_lookup(pa, an_pcmcia_products, an_pcmcia_nproducts, sizeof(an_pcmcia_products[0]), NULL)) return (1); return (0); } static int an_pcmcia_validate_config(struct pcmcia_config_entry *cfe) { if (cfe->iftype != PCMCIA_IFTYPE_IO || cfe->num_iospace < 1) return (EINVAL); return (0); } static void an_pcmcia_attach(device_t parent, device_t self, void *aux) { struct an_pcmcia_softc *psc = device_private(self); struct an_softc *sc = &psc->sc_an; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; int error; sc->sc_dev = self; psc->sc_pf = pa->pf; error = pcmcia_function_configure(pa->pf, an_pcmcia_validate_config); if (error) { aprint_error_dev(self, "configure failed, error=%d\n", error); return; } cfe = pa->pf->cfe; sc->sc_iot = cfe->iospace[0].handle.iot; sc->sc_ioh = cfe->iospace[0].handle.ioh; error = an_pcmcia_enable(sc); if (error) goto fail; sc->sc_enabled = 1; sc->sc_enable = an_pcmcia_enable; sc->sc_disable = an_pcmcia_disable; error = an_attach(sc); if (error) { aprint_error_dev(self, "failed to attach controller\n"); goto fail2; } if (pmf_device_register(self, NULL, NULL)) pmf_class_network_register(self, &sc->sc_if); else aprint_error_dev(self, "couldn't establish power handler\n"); an_pcmcia_disable(sc); sc->sc_enabled = 0; psc->sc_state = AN_PCMCIA_ATTACHED; return; fail2: an_pcmcia_disable(sc); sc->sc_enabled = 0; fail: pcmcia_function_unconfigure(pa->pf); } static int an_pcmcia_detach(device_t self, int flags) { struct an_pcmcia_softc *psc = device_private(self); int error; if (psc->sc_state != AN_PCMCIA_ATTACHED) return (0); pmf_device_deregister(self); error = an_detach(&psc->sc_an); if (error) return (error); pcmcia_function_unconfigure(psc->sc_pf); return (0); } static int an_pcmcia_enable(struct an_softc *sc) { struct an_pcmcia_softc *psc = (void *)sc; int error; /* establish the interrupt. */ psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, an_intr, sc); if (!psc->sc_ih) return (EIO); error = pcmcia_function_enable(psc->sc_pf); if (error) { pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); psc->sc_ih = 0; } return (error); } static void an_pcmcia_disable(struct an_softc *sc) { struct an_pcmcia_softc *psc = (void *)sc; pcmcia_function_disable(psc->sc_pf); pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); psc->sc_ih = 0; }