1 /* $NetBSD: com_pnpbios.c,v 1.4 2000/06/14 15:15:43 jhawk Exp $ */ 2 /* 3 * Copyright (c) 1999 4 * Matthias Drochner. 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 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 28 #include <sys/param.h> 29 #include <sys/systm.h> 30 #include <sys/errno.h> 31 #include <sys/ioctl.h> 32 #include <sys/syslog.h> 33 #include <sys/device.h> 34 #include <sys/proc.h> 35 #include <sys/termios.h> 36 37 #include <machine/bus.h> 38 39 #include <dev/isa/isavar.h> 40 #include <dev/isa/isadmavar.h> 41 42 #include <i386/pnpbios/pnpbiosvar.h> 43 44 #include <dev/ic/comvar.h> 45 46 struct com_pnpbios_softc { 47 struct com_softc sc_com; 48 void *sc_ih; 49 }; 50 51 int com_pnpbios_match __P((struct device *, struct cfdata *, void *)); 52 void com_pnpbios_attach __P((struct device *, struct device *, void *)); 53 54 struct cfattach com_pnpbios_ca = { 55 sizeof(struct com_pnpbios_softc), com_pnpbios_match, com_pnpbios_attach 56 }; 57 58 int 59 com_pnpbios_match(parent, match, aux) 60 struct device *parent; 61 struct cfdata *match; 62 void *aux; 63 { 64 struct pnpbiosdev_attach_args *aa = aux; 65 66 if (strcmp(aa->idstr, "PNP0500") && 67 strcmp(aa->idstr, "PNP0501") && 68 strcmp(aa->idstr, "PNP0510") && 69 strcmp(aa->idstr, "PNP0511")) 70 return (0); 71 72 return (1); 73 } 74 75 void 76 com_pnpbios_attach(parent, self, aux) 77 struct device *parent, *self; 78 void *aux; 79 { 80 struct com_pnpbios_softc *psc = (void *)self; 81 struct com_softc *sc = &psc->sc_com; 82 struct pnpbiosdev_attach_args *aa = aux; 83 bus_space_tag_t iot; 84 int iobase; 85 86 if (pnpbios_getiobase(aa->pbt, aa->resc, 0, &iot, &iobase)) { 87 printf(": can't get iobase\n"); 88 return; 89 } 90 91 if (com_is_console(iot, iobase, &sc->sc_ioh)) 92 sc->sc_iot = iot; 93 else if (pnpbios_io_map(aa->pbt, aa->resc, 0, 94 &sc->sc_iot, &sc->sc_ioh)) { 95 printf(": can't map i/o space\n"); 96 return; 97 } 98 sc->sc_iobase = iobase; 99 100 printf("\n"); 101 pnpbios_print_devres(self, aa); 102 103 printf("%s", self->dv_xname); 104 105 /* 106 * if the chip isn't something we recognise skip it. 107 */ 108 if (comprobe1(sc->sc_iot, sc->sc_ioh) == 0) { 109 printf(": com probe failed\n"); 110 return; 111 } 112 113 sc->sc_frequency = 115200 * 16; 114 115 com_attach_subr(sc); 116 117 psc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_SERIAL, 118 comintr, sc); 119 } 120