1 /* $NetBSD: sb_isapnp.c,v 1.54 2023/04/18 06:37:25 riastradh 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 1.54 2023/04/18 06:37:25 riastradh 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/audio_if.h>
52 #include <dev/midi_if.h>
53
54 #include <dev/isa/isavar.h>
55 #include <dev/isa/isadmavar.h>
56
57 #include <dev/isapnp/isapnpreg.h>
58 #include <dev/isapnp/isapnpvar.h>
59 #include <dev/isapnp/isapnpdevs.h>
60
61 #include <dev/isa/sbreg.h>
62 #include <dev/isa/sbvar.h>
63 #include <dev/isa/sbdspvar.h>
64
65 int sb_isapnp_match(device_t, cfdata_t, void *);
66 void sb_isapnp_attach(device_t, device_t, void *);
67
68 CFATTACH_DECL_NEW(sb_isapnp, sizeof(struct sbdsp_softc),
69 sb_isapnp_match, sb_isapnp_attach, NULL, NULL);
70
71 /*
72 * Probe / attach routines.
73 */
74
75 /*
76 * Probe for the soundblaster hardware.
77 */
78 int
sb_isapnp_match(device_t parent,cfdata_t match,void * aux)79 sb_isapnp_match(device_t parent, cfdata_t match, void *aux)
80 {
81 int pri, variant;
82
83 pri = isapnp_devmatch(aux, &isapnp_sb_devinfo, &variant);
84 if (pri && variant > 0)
85 pri = 0;
86 return pri;
87 }
88
89 /*
90 * Attach hardware to driver, attach hardware driver to audio
91 * pseudo-device driver.
92 */
93 void
sb_isapnp_attach(device_t parent,device_t self,void * aux)94 sb_isapnp_attach(device_t parent, device_t self, void *aux)
95 {
96 struct sbdsp_softc *sc;
97 struct isapnp_attach_args *ipa;
98
99 sc = device_private(self);
100 sc->sc_dev = self;
101 ipa = aux;
102 aprint_normal("\n");
103
104 /*
105 * Avance logic ALS100+ does not like being frobbed
106 * trying to set irq/drq so set that quirk skip over it
107 */
108 if(!strcmp(ipa->ipa_devlogic, "@@@1001"))
109 sc->sc_quirks = SB_QUIRK_NO_INIT_DRQ;
110
111 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
112 aprint_error_dev(self, "error in region allocation\n");
113 return;
114 }
115
116 sc->sc_ic = ipa->ipa_ic;
117
118 sc->sc_iot = ipa->ipa_iot;
119 sc->sc_ioh = ipa->ipa_io[0].h;
120
121 /* XXX These are only for setting chip configuration registers. */
122 sc->sc_iobase = ipa->ipa_io[0].base;
123 sc->sc_irq = ipa->ipa_irq[0].num;
124
125 sc->sc_drq8 = ipa->ipa_drq[0].num;
126 if (ipa->ipa_ndrq > 1 && ipa->ipa_drq[0].num != ipa->ipa_drq[1].num) {
127 /* Some cards have the 16 bit drq first */
128 if (sc->sc_drq8 >= 4) {
129 sc->sc_drq16 = sc->sc_drq8;
130 sc->sc_drq8 = ipa->ipa_drq[1].num;
131 } else
132 sc->sc_drq16 = ipa->ipa_drq[1].num;
133 } else
134 sc->sc_drq16 = -1;
135
136 #if NMPU > 0
137 /*
138 * Aztech 1020 doesn't store information about its mpu in io[1].
139 * It has a separate pnpdev for the mpu.
140 * The same is true for an AD1816 AOpen soundcard (ID ADS7180)
141 * so it will be treated the same here. But it was not before,
142 * which leads to the question: could there be other cards that
143 * identify as ADS7180 but map the mpu differently? That would be
144 * inconvenient....
145 */
146 if (strcmp(ipa->ipa_devlogic, "AZT1016") == 0 ||
147 strcmp(ipa->ipa_devlogic, "ADS7180") == 0)
148 sc->sc_hasmpu = SBMPU_NONE;
149 else if (ipa->ipa_nio > 1) {
150 sc->sc_hasmpu = SBMPU_EXTERNAL;
151 sc->sc_mpu_iot = ipa->ipa_iot;
152 sc->sc_mpu_ioh = ipa->ipa_io[1].h;
153 }
154 #endif
155
156 if (!sbmatch(sc, 0, device_cfdata(self))) {
157 aprint_error_dev(self, "sbmatch failed\n");
158 return;
159 }
160
161 mutex_init(&sc->sc_lock, MUTEX_DEFAULT, IPL_NONE);
162 mutex_init(&sc->sc_intr_lock, MUTEX_DEFAULT, IPL_AUDIO);
163
164 sc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
165 ipa->ipa_irq[0].type, IPL_AUDIO, sbdsp_intr, sc);
166
167 aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass);
168
169 sbattach(sc);
170 }
171