sb_isa.c revision 1.1.2.2
1 1.1.2.2 thorpej /* $NetBSD: sb_isa.c,v 1.1.2.2 1997/01/18 04:30:37 thorpej Exp $ */ 2 1.1.2.2 thorpej 3 1.1.2.2 thorpej /* 4 1.1.2.2 thorpej * Copyright (c) 1991-1993 Regents of the University of California. 5 1.1.2.2 thorpej * All rights reserved. 6 1.1.2.2 thorpej * 7 1.1.2.2 thorpej * Redistribution and use in source and binary forms, with or without 8 1.1.2.2 thorpej * modification, are permitted provided that the following conditions 9 1.1.2.2 thorpej * are met: 10 1.1.2.2 thorpej * 1. Redistributions of source code must retain the above copyright 11 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer. 12 1.1.2.2 thorpej * 2. Redistributions in binary form must reproduce the above copyright 13 1.1.2.2 thorpej * notice, this list of conditions and the following disclaimer in the 14 1.1.2.2 thorpej * documentation and/or other materials provided with the distribution. 15 1.1.2.2 thorpej * 3. All advertising materials mentioning features or use of this software 16 1.1.2.2 thorpej * must display the following acknowledgement: 17 1.1.2.2 thorpej * This product includes software developed by the Computer Systems 18 1.1.2.2 thorpej * Engineering Group at Lawrence Berkeley Laboratory. 19 1.1.2.2 thorpej * 4. Neither the name of the University nor of the Laboratory may be used 20 1.1.2.2 thorpej * to endorse or promote products derived from this software without 21 1.1.2.2 thorpej * specific prior written permission. 22 1.1.2.2 thorpej * 23 1.1.2.2 thorpej * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 1.1.2.2 thorpej * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 1.1.2.2 thorpej * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 1.1.2.2 thorpej * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 1.1.2.2 thorpej * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 1.1.2.2 thorpej * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 1.1.2.2 thorpej * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 1.1.2.2 thorpej * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 1.1.2.2 thorpej * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 1.1.2.2 thorpej * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 1.1.2.2 thorpej * SUCH DAMAGE. 34 1.1.2.2 thorpej * 35 1.1.2.2 thorpej */ 36 1.1.2.2 thorpej 37 1.1.2.2 thorpej #include <sys/param.h> 38 1.1.2.2 thorpej #include <sys/systm.h> 39 1.1.2.2 thorpej #include <sys/errno.h> 40 1.1.2.2 thorpej #include <sys/ioctl.h> 41 1.1.2.2 thorpej #include <sys/syslog.h> 42 1.1.2.2 thorpej #include <sys/device.h> 43 1.1.2.2 thorpej #include <sys/proc.h> 44 1.1.2.2 thorpej 45 1.1.2.2 thorpej #include <sys/audioio.h> 46 1.1.2.2 thorpej #include <dev/audio_if.h> 47 1.1.2.2 thorpej #include <dev/mulaw.h> 48 1.1.2.2 thorpej 49 1.1.2.2 thorpej #include <dev/isa/isavar.h> 50 1.1.2.2 thorpej #include <dev/isa/isadmavar.h> 51 1.1.2.2 thorpej 52 1.1.2.2 thorpej #include <dev/isa/sbreg.h> 53 1.1.2.2 thorpej #include <dev/isa/sbvar.h> 54 1.1.2.2 thorpej 55 1.1.2.2 thorpej #include <dev/isa/sbdspvar.h> 56 1.1.2.2 thorpej 57 1.1.2.2 thorpej int sb_isa_match __P((struct device *, void *, void *)); 58 1.1.2.2 thorpej void sb_isa_attach __P((struct device *, struct device *, void *)); 59 1.1.2.2 thorpej 60 1.1.2.2 thorpej struct cfattach sb_isa_ca = { 61 1.1.2.2 thorpej sizeof(struct sbdsp_softc), sb_isa_match, sb_isa_attach 62 1.1.2.2 thorpej }; 63 1.1.2.2 thorpej 64 1.1.2.2 thorpej /* 65 1.1.2.2 thorpej * Probe / attach routines. 66 1.1.2.2 thorpej */ 67 1.1.2.2 thorpej 68 1.1.2.2 thorpej /* 69 1.1.2.2 thorpej * Probe for the soundblaster hardware. 70 1.1.2.2 thorpej */ 71 1.1.2.2 thorpej int 72 1.1.2.2 thorpej sb_isa_match(parent, match, aux) 73 1.1.2.2 thorpej struct device *parent; 74 1.1.2.2 thorpej void *match, *aux; 75 1.1.2.2 thorpej { 76 1.1.2.2 thorpej /* 77 1.1.2.2 thorpej * Indirect brokedness! 78 1.1.2.2 thorpej */ 79 1.1.2.2 thorpej register struct sbdsp_softc *sc = match; 80 1.1.2.2 thorpej register struct isa_attach_args *ia = aux; 81 1.1.2.2 thorpej 82 1.1.2.2 thorpej if (!SB_BASE_VALID(ia->ia_iobase)) { 83 1.1.2.2 thorpej printf("sb: configured iobase 0x%x invalid\n", ia->ia_iobase); 84 1.1.2.2 thorpej return 0; 85 1.1.2.2 thorpej } 86 1.1.2.2 thorpej 87 1.1.2.2 thorpej sc->sc_iot = ia->ia_iot; 88 1.1.2.2 thorpej 89 1.1.2.2 thorpej /* Map i/o space [we map 24 ports which is the max of the sb and pro */ 90 1.1.2.2 thorpej if (bus_space_map(sc->sc_iot, ia->ia_iobase, SBP_NPORT, 0, 91 1.1.2.2 thorpej &sc->sc_ioh)) { 92 1.1.2.2 thorpej printf("sb: can't map i/o space 0x%x/%d in probe\n", 93 1.1.2.2 thorpej ia->ia_iobase, SBP_NPORT); 94 1.1.2.2 thorpej return 0; 95 1.1.2.2 thorpej } 96 1.1.2.2 thorpej 97 1.1.2.2 thorpej /* 98 1.1.2.2 thorpej * Indirect brokedness! 99 1.1.2.2 thorpej */ 100 1.1.2.2 thorpej sc->sc_iobase = ia->ia_iobase; 101 1.1.2.2 thorpej sc->sc_irq = ia->ia_irq; 102 1.1.2.2 thorpej sc->sc_drq = ia->ia_drq; 103 1.1.2.2 thorpej sc->sc_ic = ia->ia_ic; 104 1.1.2.2 thorpej 105 1.1.2.2 thorpej if (!sbmatch(sc)) { 106 1.1.2.2 thorpej bus_space_unmap(sc->sc_iot, ia->ia_iobase, SBP_NPORT); 107 1.1.2.2 thorpej return 0; 108 1.1.2.2 thorpej } 109 1.1.2.2 thorpej 110 1.1.2.2 thorpej if (ISSBPROCLASS(sc)) 111 1.1.2.2 thorpej ia->ia_iosize = SBP_NPORT; 112 1.1.2.2 thorpej else 113 1.1.2.2 thorpej ia->ia_iosize = SB_NPORT; 114 1.1.2.2 thorpej 115 1.1.2.2 thorpej ia->ia_irq = sc->sc_irq; 116 1.1.2.2 thorpej 117 1.1.2.2 thorpej return 1; 118 1.1.2.2 thorpej } 119 1.1.2.2 thorpej 120 1.1.2.2 thorpej 121 1.1.2.2 thorpej /* 122 1.1.2.2 thorpej * Attach hardware to driver, attach hardware driver to audio 123 1.1.2.2 thorpej * pseudo-device driver . 124 1.1.2.2 thorpej */ 125 1.1.2.2 thorpej void 126 1.1.2.2 thorpej sb_isa_attach(parent, self, aux) 127 1.1.2.2 thorpej struct device *parent, *self; 128 1.1.2.2 thorpej void *aux; 129 1.1.2.2 thorpej { 130 1.1.2.2 thorpej sbattach((struct sbdsp_softc *) self); 131 1.1.2.2 thorpej } 132
Indexes created Thu Oct 23 22:10:10 GMT 2025