1 /* $NetBSD: com_pnpbios.c,v 1.8 2002/10/02 05:47:16 thorpej 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/cdefs.h> 29 __KERNEL_RCSID(0, "$NetBSD: com_pnpbios.c,v 1.8 2002/10/02 05:47:16 thorpej Exp $"); 30 31 #include <sys/param.h> 32 #include <sys/systm.h> 33 #include <sys/errno.h> 34 #include <sys/ioctl.h> 35 #include <sys/syslog.h> 36 #include <sys/device.h> 37 #include <sys/proc.h> 38 #include <sys/termios.h> 39 40 #include <machine/bus.h> 41 42 #include <dev/isa/isavar.h> 43 #include <dev/isa/isadmavar.h> 44 45 #include <i386/pnpbios/pnpbiosvar.h> 46 47 #include <dev/ic/comvar.h> 48 49 struct com_pnpbios_softc { 50 struct com_softc sc_com; 51 void *sc_ih; 52 }; 53 54 int com_pnpbios_match __P((struct device *, struct cfdata *, void *)); 55 void com_pnpbios_attach __P((struct device *, struct device *, void *)); 56 57 CFATTACH_DECL(com_pnpbios, sizeof(struct com_pnpbios_softc), 58 com_pnpbios_match, com_pnpbios_attach, NULL, NULL); 59 60 int 61 com_pnpbios_match(parent, match, aux) 62 struct device *parent; 63 struct cfdata *match; 64 void *aux; 65 { 66 struct pnpbiosdev_attach_args *aa = aux; 67 68 if (strcmp(aa->idstr, "PNP0500") && 69 strcmp(aa->idstr, "PNP0501") && 70 strcmp(aa->idstr, "PNP0510") && 71 strcmp(aa->idstr, "PNP0511")) 72 return (0); 73 74 return (1); 75 } 76 77 void 78 com_pnpbios_attach(parent, self, aux) 79 struct device *parent, *self; 80 void *aux; 81 { 82 struct com_pnpbios_softc *psc = (void *)self; 83 struct com_softc *sc = &psc->sc_com; 84 struct pnpbiosdev_attach_args *aa = aux; 85 bus_space_tag_t iot; 86 int iobase; 87 88 if (pnpbios_getiobase(aa->pbt, aa->resc, 0, &iot, &iobase)) { 89 printf(": can't get iobase\n"); 90 return; 91 } 92 93 if (com_is_console(iot, iobase, &sc->sc_ioh)) 94 sc->sc_iot = iot; 95 else if (pnpbios_io_map(aa->pbt, aa->resc, 0, 96 &sc->sc_iot, &sc->sc_ioh)) { 97 printf(": can't map i/o space\n"); 98 return; 99 } 100 sc->sc_iobase = iobase; 101 102 printf("\n"); 103 pnpbios_print_devres(self, aa); 104 105 printf("%s", self->dv_xname); 106 107 /* 108 * if the chip isn't something we recognise skip it. 109 */ 110 if (comprobe1(sc->sc_iot, sc->sc_ioh) == 0) { 111 printf(": com probe failed\n"); 112 return; 113 } 114 115 sc->sc_frequency = 115200 * 16; 116 117 com_attach_subr(sc); 118 119 psc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_SERIAL, 120 comintr, sc); 121 } 122