1 /* $OpenBSD: cy_isa.c,v 1.10 2021/03/07 06:17:03 jsg Exp $ */ 2 /* 3 * Copyright (c) 1996 Timo Rossi. 4 * All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. Neither the name of the author nor the names of contributors 15 * may be used to endorse or promote products derived from this software 16 * without specific prior written permission. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 */ 30 31 /* 32 * cy_isa.c 33 * 34 * Driver for Cyclades Cyclom-8/16/32 multiport serial cards 35 * (currently not tested with Cyclom-32 cards) 36 * 37 * Timo Rossi, 1996 38 */ 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/device.h> 43 44 #include <machine/bus.h> 45 46 #include <dev/isa/isavar.h> 47 #include <dev/isa/isareg.h> 48 49 #include <dev/ic/cd1400reg.h> 50 #include <dev/ic/cyreg.h> 51 52 static int cy_isa_probe(struct device *, void *, void *); 53 void cy_isa_attach(struct device *, struct device *, void *); 54 55 struct cfattach cy_isa_ca = { 56 sizeof(struct cy_softc), cy_isa_probe, cy_isa_attach 57 }; 58 59 int 60 cy_isa_probe(struct device *parent, void *match, void *aux) 61 { 62 int card = ((struct device *)match)->dv_unit; 63 struct isa_attach_args *ia = aux; 64 bus_space_tag_t memt; 65 bus_space_handle_t memh; 66 int ret; 67 68 if (ia->ia_irq == IRQUNK) { 69 printf("cy%d error: interrupt not defined\n", card); 70 return (0); 71 } 72 73 memt = ia->ia_memt; 74 if (bus_space_map(memt, ia->ia_maddr, 0x2000, 0, &memh) != 0) 75 return (0); 76 77 ret = cy_probe_common(memt, memh, CY_BUSTYPE_ISA); 78 bus_space_unmap(memt, memh, 0x2000); 79 if (ret == 0) 80 return (0); 81 82 ia->ia_iosize = 0; 83 ia->ia_msize = 0x2000; 84 return (1); 85 } 86 87 void 88 cy_isa_attach(struct device *parent, struct device *self, void *aux) 89 { 90 struct cy_softc *sc = (struct cy_softc *)self; 91 struct isa_attach_args *ia = aux; 92 93 sc->sc_bustype = CY_BUSTYPE_ISA; 94 sc->sc_memt = ia->ia_memt; 95 96 if (bus_space_map(ia->ia_memt, ia->ia_maddr, 0x2000, 0, 97 &sc->sc_memh) != 0) 98 return; 99 100 sc->sc_nr_cd1400s = cy_probe_common(sc->sc_memt, sc->sc_memh, 101 CY_BUSTYPE_ISA); 102 103 cy_attach(parent, self); 104 105 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, 106 IST_EDGE, IPL_TTY, cy_intr, sc, sc->sc_dev.dv_xname); 107 108 if (sc->sc_ih == NULL) 109 panic("cy: couldn't establish interrupt"); 110 } 111