xref: /netbsd/sys/dev/isapnp/sb_isapnp.c (revision 6550d01e)
1 /*	$NetBSD: sb_isapnp.c,v 1.52 2008/03/15 21:09:02 cube 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 1.52 2008/03/15 21:09:02 cube 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 <sys/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(device_t, cfdata_t, void *);
67 void	sb_isapnp_attach(device_t, device_t, void *);
68 
69 CFATTACH_DECL_NEW(sb_isapnp, sizeof(struct sbdsp_softc),
70     sb_isapnp_match, sb_isapnp_attach, NULL, NULL);
71 
72 /*
73  * Probe / attach routines.
74  */
75 
76 /*
77  * Probe for the soundblaster hardware.
78  */
79 int
80 sb_isapnp_match(device_t parent, cfdata_t match, void *aux)
81 {
82 	int pri, variant;
83 
84 	pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
85 	if (pri && variant > 0)
86 		pri = 0;
87 	return pri;
88 }
89 
90 /*
91  * Attach hardware to driver, attach hardware driver to audio
92  * pseudo-device driver.
93  */
94 void
95 sb_isapnp_attach(device_t parent, device_t self, void *aux)
96 {
97 	struct sbdsp_softc *sc;
98 	struct isapnp_attach_args *ipa;
99 
100 	sc = device_private(self);
101 	sc->sc_dev = self;
102 	ipa = aux;
103 	aprint_normal("\n");
104 
105 	/*
106 	 * Avance logic ALS100+ does not like being frobbed
107 	 * trying to set irq/drq so set that quirk skip over it
108 	 */
109 	if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
110 		sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
111 
112 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
113 		aprint_error_dev(self, "error in region allocation\n");
114 		return;
115 	}
116 
117 	sc->sc_ic = ipa->ipa_ic;
118 
119 	sc->sc_iot = ipa->ipa_iot;
120 	sc->sc_ioh = ipa->ipa_io[0].h;
121 
122 	/* XXX These are only for setting chip configuration registers. */
123 	sc->sc_iobase = ipa->ipa_io[0].base;
124 	sc->sc_irq = ipa->ipa_irq[0].num;
125 
126 	sc->sc_drq8 = ipa->ipa_drq[0].num;
127 	if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
128 		/* Some cards have the 16 bit drq first */
129 		if (sc->sc_drq8 >= 4) {
130 			sc->sc_drq16 = sc->sc_drq8;
131 			sc->sc_drq8 = ipa->ipa_drq[1].num;
132 		} else
133 			sc->sc_drq16 = ipa->ipa_drq[1].num;
134 	} else
135 		sc->sc_drq16 = -1;
136 
137 #if NMPU > 0
138 	/*
139 	 * Aztech 1020 doesn't store information about its mpu in io[1].
140 	 * It has a separate pnpdev for the mpu.
141 	 * The same is true for an AD1816 AOpen soundcard (ID ADS7180)
142 	 * so it will be treated the same here. But it was not before,
143 	 * which leads to the question: could there be other cards that
144 	 * identify as ADS7180 but map the mpu differently? That would be
145 	 * inconvenient....
146 	 */
147 	if (strcmp(ipa->ipa_devlogic, "AZT1016") == 0 ||
148 	    strcmp(ipa->ipa_devlogic, "ADS7180") == 0)
149 		sc->sc_hasmpu = SBMPU_NONE;
150 	else if (ipa->ipa_nio > 1) {
151 		sc->sc_hasmpu = SBMPU_EXTERNAL;
152 		sc->sc_mpu_iot = ipa->ipa_iot;
153 		sc->sc_mpu_ioh = ipa->ipa_io[1].h;
154 	}
155 #endif
156 
157 	if (!sbmatch(sc, 0, device_cfdata(self))) {
158 		aprint_error_dev(self, "sbmatch failed\n");
159 		return;
160 	}
161 
162 	sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
163 	    ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
164 
165 	aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass);
166 
167 	sbattach(sc);
168 }
169