/* $NetBSD: depca_isa.c,v 1.16 2012/10/27 17:18:24 chs Exp $ */ /*- * Copyright (c) 1997, 1998, 2000 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Charles M. Hannum and by Jason R. Thorpe of the Numerical Aerospace * Simulation Facility, NASA Ames Research Center. * * 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. */ /*- * Copyright (c) 1992, 1993 * The Regents of the University of California. All rights reserved. * * This code is derived from software contributed to Berkeley by * Ralph Campbell and Rick Macklem. * * 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. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. * * @(#)if_le.c 8.2 (Berkeley) 11/16/93 */ #include __KERNEL_RCSID(0, "$NetBSD: depca_isa.c,v 1.16 2012/10/27 17:18:24 chs Exp $"); #include "opt_inet.h" #include #include #include #include #include #include #include #include #include #ifdef INET #include #include #endif #include #include #include #include #include #include #include #include #include #include #include int depca_isa_probe(device_t, cfdata_t, void *); void depca_isa_attach(device_t, device_t, void *); struct depca_isa_softc { struct depca_softc sc_depca; isa_chipset_tag_t sc_ic; int sc_irq; }; CFATTACH_DECL_NEW(depca_isa, sizeof(struct depca_isa_softc), depca_isa_probe, depca_isa_attach, NULL, NULL); void *depca_isa_intr_establish(struct depca_softc *, struct lance_softc *); int depca_isa_probe(device_t parent, cfdata_t cf, void *aux) { struct isa_attach_args *ia = aux; bus_space_tag_t iot = ia->ia_iot; bus_space_handle_t ioh; bus_space_handle_t memh; int rv = 0; if (ia->ia_nio < 1) return (0); if (ia->ia_niomem < 1) return (0); if (ia->ia_nirq < 1) return (0); if (ISA_DIRECT_CONFIG(ia)) return (0); if (ia->ia_irq[0].ir_irq == ISA_UNKNOWN_IRQ) return (0); /* Disallow impossible i/o address. */ if (ia->ia_io[0].ir_addr != 0x200 && ia->ia_io[0].ir_addr != 0x300) return (0); /* Map i/o space. */ if (bus_space_map(iot, ia->ia_io[0].ir_addr, 16, 0, &ioh)) return 0; if (ia->ia_iomem[0].ir_addr == ISA_UNKNOWN_IOMEM || (ia->ia_iomem[0].ir_size != 32 * 1024 && ia->ia_iomem[0].ir_size != 64 * 1024)) goto bad; /* Map card RAM. */ if (bus_space_map(ia->ia_memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size, 0, &memh)) goto bad; /* Just needed to check mapability; don't need it anymore. */ bus_space_unmap(ia->ia_memt, memh, ia->ia_iomem[0].ir_size); /* Stop the LANCE chip and put it in a known state. */ bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0); bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C0_STOP); delay(100); bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR0); if (bus_space_read_2(iot, ioh, DEPCA_RDP) != LE_C0_STOP) goto bad; bus_space_write_2(iot, ioh, DEPCA_RAP, LE_CSR3); bus_space_write_2(iot, ioh, DEPCA_RDP, LE_C3_ACON); bus_space_write_1(iot, ioh, DEPCA_CSR, DEPCA_CSR_DUM); if (depca_readprom(iot, ioh, NULL)) goto bad; ia->ia_nio = 1; ia->ia_io[0].ir_size = 16; ia->ia_niomem = 1; ia->ia_nirq = 1; ia->ia_ndrq = 0; rv = 1; bad: bus_space_unmap(iot, ioh, 16); return (rv); } void depca_isa_attach(device_t parent, device_t self, void *aux) { struct depca_isa_softc *isc = device_private(self); struct depca_softc *sc = &isc->sc_depca; struct isa_attach_args *ia = aux; sc->sc_dev = self; aprint_normal("\n"); sc->sc_iot = ia->ia_iot; sc->sc_memt = ia->ia_memt; sc->sc_memsize = ia->ia_iomem[0].ir_size; if (bus_space_map(sc->sc_iot, ia->ia_io[0].ir_addr, 16, 0, &sc->sc_ioh) != 0) { aprint_error_dev(self, "unable to map i/o space\n"); return; } if (bus_space_map(sc->sc_memt, ia->ia_iomem[0].ir_addr, ia->ia_iomem[0].ir_size, 0, &sc->sc_memh) != 0) { aprint_error_dev(self, "unable to map memory space\n"); return; } isc->sc_ic = ia->ia_ic; isc->sc_irq = ia->ia_irq[0].ir_irq; sc->sc_intr_establish = depca_isa_intr_establish; depca_attach(sc); } void * depca_isa_intr_establish(struct depca_softc *sc, struct lance_softc *child) { struct depca_isa_softc *isc = (struct depca_isa_softc *)sc; void *rv; rv = isa_intr_establish(isc->sc_ic, isc->sc_irq, IST_EDGE, IPL_NET, depca_intredge, child); if (rv == NULL) printf("%s: unable to establish interrupt\n", device_xname(sc->sc_dev)); return (rv); }