Annotation of sys/dev/isa/ym_isapnp.c, Revision 1.1.1.1
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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