1/*	$NetBSD: sb_isapnp.c,v 1.51 2007/10/19 12:00:33 ad 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 1.51 2007/10/19 12:00:33 ad 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
66int	sb_isapnp_match(device_t, cfdata_t, void *);
67void	sb_isapnp_attach(device_t, device_t, void *);
68
69CFATTACH_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 */
79int
80sb_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 */
94void
95sb_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