/* $NetBSD: if_sm_pcmcia.c,v 1.57 2018/02/08 09:05:20 dholland Exp $ */ /*- * Copyright (c) 1997, 1998, 2000, 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, * NASA Ames Research Center, and by Charles M. Hannum. * * 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_sm_pcmcia.c,v 1.57 2018/02/08 09:05:20 dholland Exp $"); #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include int sm_pcmcia_match(device_t, cfdata_t, void *); int sm_pcmcia_validate_config(struct pcmcia_config_entry *); void sm_pcmcia_attach(device_t, device_t, void *); int sm_pcmcia_detach(device_t, int); struct sm_pcmcia_softc { struct smc91cxx_softc sc_smc; /* real "smc" softc */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* interrupt cookie */ int sc_state; #define SM_PCMCIA_ATTACHED 3 }; CFATTACH_DECL_NEW(sm_pcmcia, sizeof(struct sm_pcmcia_softc), sm_pcmcia_match, sm_pcmcia_attach, sm_pcmcia_detach, smc91cxx_activate); int sm_pcmcia_enable(struct smc91cxx_softc *); void sm_pcmcia_disable(struct smc91cxx_softc *); int sm_pcmcia_ascii_enaddr(const char *, u_int8_t *); const struct pcmcia_product sm_pcmcia_products[] = { { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_EM1144, PCMCIA_CIS_INVALID }, { PCMCIA_VENDOR_MEGAHERTZ2, PCMCIA_PRODUCT_MEGAHERTZ2_XJACK, PCMCIA_CIS_INVALID }, { PCMCIA_VENDOR_NEWMEDIA, PCMCIA_PRODUCT_NEWMEDIA_BASICS, PCMCIA_CIS_INVALID }, #if 0 { PCMCIA_VENDOR_SMC, PCMCIA_PRODUCT_SMC_8020BT, PCMCIA_CIS_INVALID }, #endif { PCMCIA_VENDOR_PSION, PCMCIA_PRODUCT_PSION_GOLDCARD, PCMCIA_CIS_INVALID }, }; const size_t sm_pcmcia_nproducts = sizeof(sm_pcmcia_products) / sizeof(sm_pcmcia_products[0]); int sm_pcmcia_match(device_t parent, cfdata_t match, void *aux) { struct pcmcia_attach_args *pa = aux; /* This is to differentiate the serial function of some cards. */ if (pa->pf->function != PCMCIA_FUNCTION_NETWORK) return (0); if (pcmcia_product_lookup(pa, sm_pcmcia_products, sm_pcmcia_nproducts, sizeof(sm_pcmcia_products[0]), NULL)) return (1); return (0); } int sm_pcmcia_validate_config(struct pcmcia_config_entry *cfe) { if (cfe->iftype != PCMCIA_IFTYPE_IO || cfe->num_memspace != 0 || cfe->num_iospace != 1 || cfe->iospace[0].length < SMC_IOSIZE) return (EINVAL); return (0); } void sm_pcmcia_attach(device_t parent, device_t self, void *aux) { struct sm_pcmcia_softc *psc = device_private(self); struct smc91cxx_softc *sc = &psc->sc_smc; struct pcmcia_attach_args *pa = aux; struct pcmcia_config_entry *cfe; u_int8_t enaddr[ETHER_ADDR_LEN]; int error; sc->sc_dev = self; psc->sc_pf = pa->pf; error = pcmcia_function_configure(pa->pf, sm_pcmcia_validate_config); if (error) { aprint_error_dev(self, "configure failed, error=%d\n", error); return; } cfe = pa->pf->cfe; sc->sc_bst = cfe->iospace[0].handle.iot; sc->sc_bsh = cfe->iospace[0].handle.ioh; error = sm_pcmcia_enable(sc); if (error) goto fail; sc->sc_enable = sm_pcmcia_enable; sc->sc_disable = sm_pcmcia_disable; /* * First try to get the Ethernet address from FUNCE/LANNID tuple. * If that fails, try one of the CIS info strings. */ if (pa->pf->pf_funce_lan_nidlen == ETHER_ADDR_LEN) { memcpy(enaddr, pa->pf->pf_funce_lan_nid, ETHER_ADDR_LEN); } else { if (!sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[3], enaddr) && !sm_pcmcia_ascii_enaddr(pa->pf->sc->card.cis1_info[2], enaddr)) aprint_error_dev(self, "unable to get Ethernet address\n"); } /* Perform generic initialization. */ smc91cxx_attach(sc, enaddr); psc->sc_state = SM_PCMCIA_ATTACHED; sm_pcmcia_disable(sc); return; fail: pcmcia_function_unconfigure(pa->pf); } int sm_pcmcia_detach(device_t self, int flags) { struct sm_pcmcia_softc *psc = device_private(self); int error; if (psc->sc_state != SM_PCMCIA_ATTACHED) return (0); error = smc91cxx_detach((device_t)&psc->sc_smc, flags); if (error) return (error); pcmcia_function_unconfigure(psc->sc_pf); return (0); } int sm_pcmcia_ascii_enaddr(const char *cisstr, u_int8_t *myla) { u_int8_t digit; int i; /* No CIS string. */ if (cisstr == 0) return (0); memset(myla, 0, ETHER_ADDR_LEN); for (i = 0, digit = 0; i < (ETHER_ADDR_LEN * 2); i++) { if (cisstr[i] >= '0' && cisstr[i] <= '9') digit |= cisstr[i] - '0'; else if (cisstr[i] >= 'a' && cisstr[i] <= 'f') digit |= (cisstr[i] - 'a') + 10; else if (cisstr[i] >= 'A' && cisstr[i] <= 'F') digit |= (cisstr[i] - 'A') + 10; else { /* Bogus digit!! */ return (0); } /* Compensate for ordering of digits. */ if (i & 1) { myla[i >> 1] = digit; digit = 0; } else digit <<= 4; } return (1); } int sm_pcmcia_enable(struct smc91cxx_softc *sc) { struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; int error; /* Establish the interrupt handler. */ psc->sc_ih = pcmcia_intr_establish(psc->sc_pf, IPL_NET, smc91cxx_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); } void sm_pcmcia_disable(struct smc91cxx_softc *sc) { struct sm_pcmcia_softc *psc = (struct sm_pcmcia_softc *)sc; pcmcia_function_disable(psc->sc_pf); pcmcia_intr_disestablish(psc->sc_pf, psc->sc_ih); psc->sc_ih = 0; }