/* $NetBSD: if_awi_pcmcia.c,v 1.46 2016/07/14 04:19:27 msaitoh Exp $ */ /*- * Copyright (c) 1999, 2004 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Bill Sommerfeld * * 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. */ /* * PCMCIA attachment for BayStack 650 802.11FH PCMCIA card, * based on the AMD 79c930 802.11 controller chip. * * This attachment can probably be trivially adapted for other FH and * DS cards based on the same chipset. */ #include __KERNEL_RCSID(0, "$NetBSD: if_awi_pcmcia.c,v 1.46 2016/07/14 04:19:27 msaitoh 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 #include static int awi_pcmcia_match(device_t, cfdata_t, void *); static int awi_pcmcia_validate_config(struct pcmcia_config_entry *); static void awi_pcmcia_attach(device_t, device_t, void *); static int awi_pcmcia_detach(device_t, int); static int awi_pcmcia_enable(struct awi_softc *); static void awi_pcmcia_disable(struct awi_softc *); struct awi_pcmcia_softc { struct awi_softc sc_awi; /* real "awi" softc */ /* PCMCIA-specific goo */ struct pcmcia_function *sc_pf; /* our PCMCIA function */ void *sc_ih; /* interrupt handler */ int sc_state; #define AWI_PCMCIA_ATTACHED 3 }; CFATTACH_DECL_NEW(awi_pcmcia, sizeof(struct awi_pcmcia_softc), awi_pcmcia_match, awi_pcmcia_attach, awi_pcmcia_detach, awi_activate); static const struct pcmcia_product awi_pcmcia_products[] = { { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_650, PCMCIA_CIS_BAY_STACK_650 }, { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_STACK_660, PCMCIA_CIS_BAY_STACK_660 }, { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_SURFER_PRO, PCMCIA_CIS_BAY_SURFER_PRO }, { PCMCIA_VENDOR_AMD, PCMCIA_PRODUCT_AMD_AM79C930, PCMCIA_CIS_AMD_AM79C930 }, { PCMCIA_VENDOR_ICOM, PCMCIA_PRODUCT_ICOM_SL200, PCMCIA_CIS_ICOM_SL200 }, { PCMCIA_VENDOR_NOKIA, PCMCIA_PRODUCT_NOKIA_C020_WLAN, PCMCIA_CIS_NOKIA_C020_WLAN }, { PCMCIA_VENDOR_FARALLON, PCMCIA_PRODUCT_FARALLON_SKYLINE, PCMCIA_CIS_FARALLON_SKYLINE }, }; static const size_t awi_pcmcia_nproducts = sizeof(awi_pcmcia_products) / sizeof(awi_pcmcia_products[0]); static int awi_pcmcia_enable(struct awi_softc *sc) { struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; struct pcmcia_function *pf = psc->sc_pf; int error; /* establish the interrupt. */ psc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, awi_intr, sc); if (!psc->sc_ih) return (EIO); error = pcmcia_function_enable(pf); if (error) { pcmcia_intr_disestablish(pf, psc->sc_ih); psc->sc_ih = 0; } return (error); } static void awi_pcmcia_disable(struct awi_softc *sc) { struct awi_pcmcia_softc *psc = (struct awi_pcmcia_softc *)sc; struct pcmcia_function *pf = psc->sc_pf; pcmcia_function_disable(pf); pcmcia_intr_disestablish(pf, psc->sc_ih); psc->sc_ih = 0; } static int awi_pcmcia_match(device_t parent, cfdata_t match, void *aux) { struct pcmcia_attach_args *pa = aux; if (pcmcia_product_lookup(pa, awi_pcmcia_products, awi_pcmcia_nproducts, sizeof(awi_pcmcia_products[0]), NULL)) return (1); return (0); } static int awi_pcmcia_validate_config(struct pcmcia_config_entry *cfe) { if (cfe->iftype != PCMCIA_IFTYPE_IO || cfe->num_iospace < 1 || cfe->iospace[0].length < AM79C930_IO_SIZE) return (EINVAL); if (cfe->num_memspace < 1) { cfe->memspace[0].length = AM79C930_MEM_SIZE; cfe->memspace[0].cardaddr = 0; cfe->memspace[0].hostaddr = 0; } else if (cfe->memspace[0].length < AM79C930_MEM_SIZE) return (EINVAL); return (0); } static void awi_pcmcia_attach(device_t parent, device_t self, void *aux) { struct awi_pcmcia_softc *psc = device_private(self); struct awi_softc *sc = &psc->sc_awi; 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, awi_pcmcia_validate_config); if (error) { aprint_error_dev(self, "configure failed, error=%d\n", error); return; } cfe = pa->pf->cfe; sc->sc_chip.sc_bustype = AM79C930_BUS_PCMCIA; sc->sc_chip.sc_iot = cfe->iospace[0].handle.iot; sc->sc_chip.sc_ioh = cfe->iospace[0].handle.ioh; if (cfe->num_memspace > 0) { sc->sc_chip.sc_memt = cfe->memspace[0].handle.memt; sc->sc_chip.sc_memh = cfe->memspace[0].handle.memh; am79c930_chip_init(&sc->sc_chip, 1); } else am79c930_chip_init(&sc->sc_chip, 0); error = awi_pcmcia_enable(sc); if (error) goto fail; sc->sc_enabled = 1; awi_read_bytes(sc, AWI_BANNER, sc->sc_banner, AWI_BANNER_LEN); if (memcmp(sc->sc_banner, "PCnetMobile:", 12)) goto fail2; sc->sc_enable = awi_pcmcia_enable; sc->sc_disable = awi_pcmcia_disable; sc->sc_cansleep = 1; if (awi_attach(sc) != 0) { aprint_error_dev(self, "failed to attach controller\n"); goto fail2; } sc->sc_enabled = 0; awi_pcmcia_disable(sc); psc->sc_state = AWI_PCMCIA_ATTACHED; return; fail2: sc->sc_enabled = 0; awi_pcmcia_disable(sc); fail: pcmcia_function_unconfigure(pa->pf); } static int awi_pcmcia_detach(device_t self, int flags) { struct awi_pcmcia_softc *psc = device_private(self); int error; if (psc->sc_state != AWI_PCMCIA_ATTACHED) return (0); error = awi_detach(&psc->sc_awi); if (error) return (error); pcmcia_function_unconfigure(psc->sc_pf); return (0); }