xref: /netbsd/sys/dev/isapnp/sb_isapnp.c (revision bf9ec67e)
1 /*	$NetBSD: sb_isapnp.c,v 1.38 2001/11/13 07:56:43 lukem Exp $	*/
2 
3 /*
4  * Copyright (c) 1991-1993 Regents of the University of California.
5  * 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. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by the Computer Systems
18  *	Engineering Group at Lawrence Berkeley Laboratory.
19  * 4. Neither the name of the University nor of the Laboratory may be used
20  *    to endorse or promote products derived from this software without
21  *    specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  *
35  */
36 
37 #include <sys/cdefs.h>
38 __KERNEL_RCSID(0, "$NetBSD: sb_isapnp.c,v 1.38 2001/11/13 07:56:43 lukem Exp $");
39 
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/errno.h>
43 #include <sys/ioctl.h>
44 #include <sys/syslog.h>
45 #include <sys/device.h>
46 #include <sys/proc.h>
47 
48 #include <machine/bus.h>
49 
50 #include <sys/audioio.h>
51 #include <dev/audio_if.h>
52 #include <dev/midi_if.h>
53 #include <dev/mulaw.h>
54 
55 #include <dev/isa/isavar.h>
56 #include <dev/isa/isadmavar.h>
57 
58 #include <dev/isapnp/isapnpreg.h>
59 #include <dev/isapnp/isapnpvar.h>
60 #include <dev/isapnp/isapnpdevs.h>
61 
62 #include <dev/isa/sbreg.h>
63 #include <dev/isa/sbvar.h>
64 #include <dev/isa/sbdspvar.h>
65 
66 int	sb_isapnp_match __P((struct device *, struct cfdata *, void *));
67 void	sb_isapnp_attach __P((struct device *, struct device *, void *));
68 
69 struct cfattach sb_isapnp_ca = {
70 	sizeof(struct sbdsp_softc), sb_isapnp_match, sb_isapnp_attach
71 };
72 
73 
74 /*
75  * Probe / attach routines.
76  */
77 
78 /*
79  * Probe for the soundblaster hardware.
80  */
81 int
82 sb_isapnp_match(parent, match, aux)
83 	struct device *parent;
84 	struct cfdata *match;
85 	void *aux;
86 {
87 	int pri, variant;
88 
89 	pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
90 	if (pri && variant > 0)
91 		pri = 0;
92 	return (pri);
93 }
94 
95 
96 /*
97  * Attach hardware to driver, attach hardware driver to audio
98  * pseudo-device driver.
99  */
100 void
101 sb_isapnp_attach(parent, self, aux)
102 	struct device *parent, *self;
103 	void *aux;
104 {
105 	struct sbdsp_softc *sc = (struct sbdsp_softc *)self;
106 	struct isapnp_attach_args *ipa = aux;
107 
108 	printf("\n");
109 
110 	/* Avance logic ALS100+ does not like being frobbed
111 	   trying to set irq/drq so set that quirk skip over it */
112 	if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
113 		sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
114 
115 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
116 		printf("%s: error in region allocation\n",
117 		       sc->sc_dev.dv_xname);
118 		return;
119 	}
120 
121 	sc->sc_ic = ipa->ipa_ic;
122 
123 	sc->sc_iot = ipa->ipa_iot;
124 	sc->sc_ioh = ipa->ipa_io[0].h;
125 
126 	/* XXX These are only for setting chip configuration registers. */
127 	sc->sc_iobase = ipa->ipa_io[0].base;
128 	sc->sc_irq = ipa->ipa_irq[0].num;
129 
130 	sc->sc_drq8 = ipa->ipa_drq[0].num;
131         if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
132         	/* Some cards have the 16 bit drq first */
133         	if (sc->sc_drq8 >= 4) {
134                 	sc->sc_drq16 = sc->sc_drq8;
135                         sc->sc_drq8 = ipa->ipa_drq[1].num;
136                 } else
137                 	sc->sc_drq16 = ipa->ipa_drq[1].num;
138         } else
139         	sc->sc_drq16 = ISACF_DRQ_DEFAULT;
140 
141 #if NMPU > 0
142 	if (ipa->ipa_nio > 1) {
143 		sc->sc_hasmpu = 1;
144 		sc->sc_mpu_iot = ipa->ipa_iot;
145 		sc->sc_mpu_ioh = ipa->ipa_io[1].h;
146 	}
147 #endif
148 
149 	if (!sbmatch(sc)) {
150 		printf("%s: sbmatch failed\n", sc->sc_dev.dv_xname);
151 		return;
152 	}
153 
154 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
155 	    ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
156 
157 	printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident,
158 	       ipa->ipa_devclass);
159 
160 	sbattach(sc);
161 }
162