Annotation of sys/dev/isa/ym_isapnp.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: ym_isapnp.c,v 1.8 2002/03/14 01:26:57 millert Exp $ */
! 2:
! 3:
! 4: /*
! 5: * Copyright (c) 1998 Constantine Sapuntzakis. All rights reserved.
! 6: *
! 7: * Redistribution and use in source and binary forms, with or without
! 8: * modification, are permitted provided that the following conditions
! 9: * are met:
! 10: * 1. Redistributions of source code must retain the above copyright
! 11: * notice, this list of conditions and the following disclaimer.
! 12: * 2. Redistributions in binary form must reproduce the above copyright
! 13: * notice, this list of conditions and the following disclaimer in the
! 14: * documentation and/or other materials provided with the distribution.
! 15: * 3. The name of the author may not be used to endorse or promote products
! 16: * derived from this software without specific prior written permission.
! 17: *
! 18: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 19: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 20: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 21: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 22: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 23: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 24: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 25: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 26: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 27: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 28: */
! 29:
! 30: /*
! 31: * Driver for the Yamaha OPL3-SA3 chipset. This is found on many laptops
! 32: * and Pentium (II) motherboards.
! 33: */
! 34:
! 35: #include "midi.h"
! 36:
! 37: #include <sys/param.h>
! 38: #include <sys/systm.h>
! 39: #include <sys/errno.h>
! 40: #include <sys/ioctl.h>
! 41: #include <sys/syslog.h>
! 42: #include <sys/device.h>
! 43: #include <sys/proc.h>
! 44:
! 45: #include <sys/audioio.h>
! 46: #include <dev/audio_if.h>
! 47: #include <dev/midi_if.h>
! 48:
! 49: #include <dev/isa/isavar.h>
! 50: #include <dev/isa/isadmavar.h>
! 51:
! 52: #include <dev/ic/ad1848reg.h>
! 53: #include <dev/isa/ad1848var.h>
! 54:
! 55: #include <dev/ic/cs4231reg.h>
! 56: #include <dev/isa/cs4231var.h>
! 57: #include <dev/ic/mpuvar.h>
! 58:
! 59: #include <dev/isa/wssreg.h>
! 60: #include <dev/isa/ymvar.h>
! 61:
! 62: int ym_isapnp_match(struct device *, void *, void *);
! 63: void ym_isapnp_attach(struct device *, struct device *, void *);
! 64:
! 65: struct cfattach ym_isapnp_ca = {
! 66: sizeof(struct ym_softc), ym_isapnp_match, ym_isapnp_attach
! 67: };
! 68:
! 69: /*
! 70: * Probe / attach routines.
! 71: */
! 72:
! 73: /*
! 74: * Probe for the soundblaster hardware.
! 75: */
! 76: int
! 77: ym_isapnp_match(parent, match, aux)
! 78: struct device *parent;
! 79: void *match, *aux;
! 80: {
! 81: struct isa_attach_args *ia = aux;
! 82:
! 83: if (ia->ipa_nio < 5)
! 84: return 0;
! 85: return 1;
! 86: }
! 87:
! 88: /*
! 89: * Attach hardware to driver, attach hardware driver to audio
! 90: * pseudo-device driver.
! 91: */
! 92: void
! 93: ym_isapnp_attach(parent, self, aux)
! 94: struct device *parent, *self;
! 95: void *aux;
! 96: {
! 97: struct ym_softc *sc = (struct ym_softc *)self;
! 98: struct isa_attach_args *ia = aux;
! 99:
! 100: sc->sc_iot = ia->ia_iot;
! 101: sc->sc_ioh = ia->ipa_io[1].h;
! 102: sc->sc_ic = ia->ia_ic;
! 103:
! 104: sc->ym_irq = ia->ipa_irq[0].num;
! 105: sc->ym_drq = ia->ipa_drq[0].num;
! 106: sc->ym_recdrq = ia->ipa_drq[1].num;
! 107:
! 108: sc->sc_controlioh = ia->ipa_io[4].h;
! 109:
! 110: sc->sc_ad1848.sc_ioh = sc->sc_ioh;
! 111: sc->sc_ad1848.sc_isa = parent->dv_parent;
! 112: sc->sc_ad1848.sc_iot = sc->sc_iot;
! 113: sc->sc_ad1848.sc_iooffs = WSS_CODEC;
! 114: sc->sc_ad1848.mode = 2;
! 115: sc->sc_ad1848.MCE_bit = MODE_CHANGE_ENABLE;
! 116:
! 117: #if NMIDI > 0
! 118: sc->sc_mpu_sc.iobase = ia->ipa_io[3].base;
! 119: sc->sc_mpu_sc.ioh = ia->ipa_io[3].h;
! 120: #endif
! 121:
! 122: ym_attach(sc);
! 123: }
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