1/*	$NetBSD: wss_isapnp.c,v 1.26 2011/06/02 14:12:25 tsutsui Exp $	*/
2
3/*
4 * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * This code is derived from software contributed to The NetBSD Foundation
8 * by Lennart Augustsson (augustss@NetBSD.org).
9 *
10 * Redistribution and use in source and binary forms, with or without
11 * modification, are permitted provided that the following conditions
12 * are met:
13 * 1. Redistributions of source code must retain the above copyright
14 *    notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32#include <sys/cdefs.h>
33__KERNEL_RCSID(0, "$NetBSD: wss_isapnp.c,v 1.26 2011/06/02 14:12:25 tsutsui Exp $");
34
35#include <sys/param.h>
36#include <sys/systm.h>
37#include <sys/device.h>
38#include <sys/errno.h>
39
40#include <sys/bus.h>
41
42#include <sys/audioio.h>
43#include <dev/audio_if.h>
44
45#include <dev/isa/isavar.h>
46#include <dev/isa/isadmavar.h>
47
48#include <dev/isapnp/isapnpreg.h>
49#include <dev/isapnp/isapnpvar.h>
50#include <dev/isapnp/isapnpdevs.h>
51
52#include <dev/isa/ad1848var.h>
53#include <dev/isa/madreg.h>
54#include <dev/isa/wssreg.h>
55#include <dev/isa/wssvar.h>
56#include <dev/isa/sbreg.h>
57
58int	wss_isapnp_match(device_t, cfdata_t, void *);
59void	wss_isapnp_attach(device_t, device_t, void *);
60
61CFATTACH_DECL_NEW(wss_isapnp, sizeof(struct wss_softc),
62    wss_isapnp_match, wss_isapnp_attach, NULL, NULL);
63
64/*
65 * Probe / attach routines.
66 */
67
68/*
69 * Probe for the WSS hardware.
70 */
71int
72wss_isapnp_match(device_t parent, cfdata_t match, void *aux)
73{
74	int pri, variant;
75
76	pri = isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant);
77	if (pri && variant > 1)
78		pri = 0;
79	return pri;
80}
81
82/*
83 * Attach hardware to driver, attach hardware driver to audio
84 * pseudo-device driver.
85 */
86void
87wss_isapnp_attach(device_t parent, device_t self, void *aux)
88{
89	struct wss_softc *sc;
90	struct ad1848_softc *ac;
91	struct isapnp_attach_args *ipa;
92	int variant;
93
94	sc = device_private(self);
95	ac = &sc->sc_ad1848.sc_ad1848;
96	ac->sc_dev = self;
97	ipa = aux;
98	printf("\n");
99
100	if (!isapnp_devmatch(aux, &isapnp_wss_devinfo, &variant)) {
101		aprint_error_dev(self, "match failed?\n");
102		return;
103	}
104
105	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
106		aprint_error_dev(self, "error in region allocation\n");
107		return;
108	}
109
110	switch (variant) {
111	case 1:
112		/* We have to put the chip into `WSS mode'. */
113		{
114			bus_space_tag_t iot;
115			bus_space_handle_t ioh;
116
117			iot = ipa->ipa_iot;
118			ioh = ipa->ipa_io[0].h;
119
120			while (bus_space_read_1(iot, ioh,
121			    SBP_DSP_WSTAT) & SB_DSP_BUSY);
122			bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x09);
123			while (bus_space_read_1(iot, ioh,
124			    SBP_DSP_WSTAT) & SB_DSP_BUSY);
125			bus_space_write_1(iot, ioh, SBP_DSP_WRITE, 0x00);
126			while (bus_space_read_1(iot, ioh,
127			    SBP_DSP_WSTAT) & SB_DSP_BUSY);
128
129			delay(1000);
130		}
131
132		sc->sc_iot = ipa->ipa_iot;
133		sc->sc_ioh = ipa->ipa_io[2].h;
134		break;
135
136	default:
137		sc->sc_iot = ipa->ipa_iot;
138		sc->sc_ioh = ipa->ipa_io[0].h;
139		break;
140	}
141
142	sc->mad_chip_type = MAD_NONE;
143
144	/* Set up AD1848 I/O handle. */
145	ac->sc_iot = sc->sc_iot;
146	ac->sc_ioh = sc->sc_ioh;
147
148	sc->sc_ad1848.sc_ic = ipa->ipa_ic;
149
150	sc->wss_ic = ipa->ipa_ic;
151	sc->wss_irq = ipa->ipa_irq[0].num;
152	sc->wss_playdrq = ipa->ipa_drq[0].num;
153	sc->wss_recdrq =
154	    ipa->ipa_ndrq > 1 ? ipa->ipa_drq[1].num : ipa->ipa_drq[0].num;
155
156	if (!ad1848_isa_probe(&sc->sc_ad1848)) {
157		aprint_error_dev(self, "ad1848_probe failed\n");
158		return;
159	}
160
161	aprint_error_dev(self, "%s %s", ipa->ipa_devident,
162	    ipa->ipa_devclass);
163
164	ac->mode = 2;
165
166	wssattach(sc);
167
168	/* set up OPL I/O handle for ISAPNP boards w/o MAD */
169	if (ipa->ipa_nio > 1 && sc->mad_chip_type == MAD_NONE) {
170		struct audio_attach_args arg;
171
172		sc->sc_opl_ioh = ipa->ipa_io[1].h;
173
174		arg.type = AUDIODEV_TYPE_OPL;
175		arg.hwif = 0;
176		arg.hdl = 0;
177		(void)config_found(self, &arg, audioprint);
178	}
179}
180