sb_pnpbios.c revision 1.12
1/* $NetBSD: sb_pnpbios.c,v 1.12 2006/11/16 01:32:39 christos 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: sb_pnpbios.c,v 1.12 2006/11/16 01:32:39 christos 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 39#include <machine/bus.h> 40 41#include <sys/audioio.h> 42#include <dev/audio_if.h> 43#include <dev/midi_if.h> 44#include <dev/mulaw.h> 45 46#include <dev/isa/isavar.h> 47#include <dev/isa/isadmavar.h> 48 49#include <i386/pnpbios/pnpbiosvar.h> 50 51#include <dev/isa/sbreg.h> 52#include <dev/isa/sbvar.h> 53 54#include <dev/isa/sbdspvar.h> 55 56int sb_pnpbios_match(struct device *, struct cfdata *, void *); 57void sb_pnpbios_attach(struct device *, struct device *, void *); 58 59CFATTACH_DECL(sb_pnpbios, sizeof(struct sbdsp_softc), 60 sb_pnpbios_match, sb_pnpbios_attach, NULL, NULL); 61 62int 63sb_pnpbios_match(struct device *parent, struct cfdata *match, 64 void *aux) 65{ 66 struct pnpbiosdev_attach_args *aa = aux; 67 68 if (strcmp(aa->idstr, "NMX2210") && 69 strcmp(aa->idstr, "CRX0002")) /* Cyrix XpressAudio */ 70 return (0); 71 72 return (1); 73} 74 75void 76sb_pnpbios_attach(struct device *parent, struct device *self, 77 void *aux) 78{ 79 struct sbdsp_softc *sc = (void *)self; 80 struct pnpbiosdev_attach_args *aa = aux; 81 82 if (pnpbios_io_map(aa->pbt, aa->resc, 0, &sc->sc_iot, &sc->sc_ioh)) { 83 printf(": can't map i/o space\n"); 84 return; 85 } 86 87 sc->sc_ic = aa->ic; 88 89 /* XXX These are only for setting chip configuration registers. */ 90 pnpbios_getiobase(aa->pbt, aa->resc, 0, 0, &sc->sc_iobase); 91 92 if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->sc_irq, 93 NULL)) { 94 printf(": can't get IRQ\n"); 95 return; 96 } 97 98 if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->sc_drq8)) { 99 printf(": can't get DMA channel\n"); 100 return; 101 } 102 if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->sc_drq16)) 103 sc->sc_drq16 = -1; 104 105 printf("\n"); 106 pnpbios_print_devres(self, aa); 107 108 printf("%s", self->dv_xname); 109 110 if (!sbmatch(sc)) { 111 printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname); 112 return; 113 } 114 115 sc->sc_ih = pnpbios_intr_establish(aa->pbt, aa->resc, 0, IPL_AUDIO, 116 sbdsp_intr, sc); 117 118 sbattach(sc); 119} 120