Annotation of sys/dev/isa/opl_isa.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: opl_isa.c,v 1.4 2005/11/21 18:16:40 millert Exp $ */
! 2: /* $NetBSD: opl_isa.c,v 1.1 1998/08/26 13:33:59 augustss Exp $ */
! 3:
! 4: /*
! 5: * Copyright (c) 1998 The NetBSD Foundation, Inc.
! 6: * All rights reserved.
! 7: *
! 8: * Author: Lennart Augustsson
! 9: *
! 10: * Redistribution and use in source and binary forms, with or without
! 11: * modification, are permitted provided that the following conditions
! 12: * are met:
! 13: * 1. Redistributions of source code must retain the above copyright
! 14: * notice, this list of conditions and the following disclaimer.
! 15: * 2. Redistributions in binary form must reproduce the above copyright
! 16: * notice, this list of conditions and the following disclaimer in the
! 17: * documentation and/or other materials provided with the distribution.
! 18: * 3. All advertising materials mentioning features or use of this software
! 19: * must display the following acknowledgement:
! 20: * This product includes software developed by the NetBSD
! 21: * Foundation, Inc. and its contributors.
! 22: * 4. Neither the name of The NetBSD Foundation nor the names of its
! 23: * contributors may be used to endorse or promote products derived
! 24: * from this software without specific prior written permission.
! 25: *
! 26: * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
! 27: * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
! 28: * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
! 29: * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
! 30: * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
! 31: * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
! 32: * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
! 33: * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
! 34: * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
! 35: * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
! 36: * POSSIBILITY OF SUCH DAMAGE.
! 37: */
! 38:
! 39: #include <sys/param.h>
! 40: #include <sys/systm.h>
! 41: #include <sys/kernel.h>
! 42: #include <sys/errno.h>
! 43: #include <sys/device.h>
! 44: #include <sys/malloc.h>
! 45: #include <sys/proc.h>
! 46: #include <sys/conf.h>
! 47: #include <sys/selinfo.h>
! 48: #include <sys/audioio.h>
! 49: #include <sys/midiio.h>
! 50:
! 51: #include <machine/bus.h>
! 52:
! 53: #include <dev/audio_if.h>
! 54: #include <dev/midi_if.h>
! 55:
! 56: #include <dev/ic/oplreg.h>
! 57: #include <dev/ic/oplvar.h>
! 58:
! 59: #include <dev/isa/isavar.h>
! 60:
! 61: #define OPL_SIZE 4
! 62:
! 63: int opl_isa_match(struct device *, void *, void *);
! 64: void opl_isa_attach(struct device *, struct device *, void *);
! 65:
! 66: struct cfattach opl_isa_ca = {
! 67: sizeof (struct opl_softc), opl_isa_match, opl_isa_attach
! 68: };
! 69:
! 70: int
! 71: opl_isa_match(parent, match, aux)
! 72: struct device *parent;
! 73: void *match;
! 74: void *aux;
! 75: {
! 76: struct isa_attach_args *ia = aux;
! 77: struct opl_softc sc;
! 78: int r;
! 79:
! 80: memset(&sc, 0, sizeof sc);
! 81: sc.iot = ia->ia_iot;
! 82: if (bus_space_map(sc.iot, ia->ia_iobase, OPL_SIZE, 0, &sc.ioh))
! 83: return (0);
! 84: r = opl_find(&sc);
! 85: bus_space_unmap(sc.iot, sc.ioh, OPL_SIZE);
! 86: return (r);
! 87: }
! 88:
! 89: void
! 90: opl_isa_attach(parent, self, aux)
! 91: struct device *parent;
! 92: struct device *self;
! 93: void *aux;
! 94: {
! 95: struct opl_softc *sc = (struct opl_softc *)self;
! 96: struct isa_attach_args *ia = aux;
! 97:
! 98: if (bus_space_map(sc->iot, ia->ia_iobase, OPL_SIZE, 0, &sc->ioh)) {
! 99: printf("opl_isa_attach: bus_space_map failed\n");
! 100: return;
! 101: }
! 102: sc->offs = 0;
! 103:
! 104: opl_attach(sc);
! 105: }
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