1/* $NetBSD: wss_pnpbios.c,v 1.25 2021/10/06 23:58:49 uwe Exp $ */
2/*
3 * Copyright (c) 1999
4 * 	Matthias Drochner.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28#include <sys/cdefs.h>
29__KERNEL_RCSID(0, "$NetBSD: wss_pnpbios.c,v 1.25 2021/10/06 23:58:49 uwe Exp $");
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/errno.h>
34#include <sys/ioctl.h>
35#include <sys/syslog.h>
36#include <sys/device.h>
37#include <sys/proc.h>
38
39#include <sys/bus.h>
40
41#include <sys/audioio.h>
42#include <dev/audio/audio_if.h>
43
44#include <dev/isa/isavar.h>
45#include <dev/isa/isadmavar.h>
46
47#include <i386/pnpbios/pnpbiosvar.h>
48
49#include <dev/isa/ad1848var.h>
50#include <dev/isa/wssreg.h>
51#include <dev/isa/wssvar.h>
52
53int wss_pnpbios_match(device_t, cfdata_t, void *);
54void wss_pnpbios_attach(device_t, device_t, void *);
55int wss_pnpbios_hints_index(const char *);
56
57
58CFATTACH_DECL_NEW(wss_pnpbios, sizeof(struct wss_softc),
59    wss_pnpbios_match, wss_pnpbios_attach, NULL, NULL);
60
61struct wss_pnpbios_hint {
62	char idstr[8];
63	int io_region_idx_ad1848;	/* which region index is the DAC?  */
64	int io_region_idx_opl;		/* which region index is the OPL?  */
65	int offset_ad1848;		/* offset from start of DAC region */
66};
67
68struct wss_pnpbios_hint wss_pnpbios_hints[] = {
69	{ "NMX2210", 1, 2, WSS_CODEC },
70	{ "CSC0000", 0, 1, 0 },		/* Dell Latitude CPi */
71	{ "CSC0100", 0, 1, 0 },		/* CS4610 with CS4236 codec */
72	{ { 0 }, 0, 0, 0 }
73};
74
75
76int
77wss_pnpbios_hints_index(const char *idstr)
78{
79	int idx = 0;
80
81	while (wss_pnpbios_hints[idx].idstr[0] != 0) {
82		if (!strcmp(wss_pnpbios_hints[idx].idstr, idstr))
83			return idx;
84		++idx;
85	}
86
87	return -1;
88}
89
90int
91wss_pnpbios_match(device_t parent, cfdata_t match, void *aux)
92{
93	struct pnpbiosdev_attach_args *aa = aux;
94
95	if (wss_pnpbios_hints_index(aa->idstr) == -1)
96		return 0;
97
98	return 2; /* beat sb */
99}
100
101void
102wss_pnpbios_attach(device_t parent, device_t self, void *aux)
103{
104	struct wss_softc *sc = device_private(self);
105	struct pnpbiosdev_attach_args *aa = aux;
106	struct audio_attach_args arg;
107	struct wss_pnpbios_hint *wph;
108
109#if 0
110	static u_char interrupt_bits[12] = {
111		-1, -1, -1, -1, -1, -1, -1, 0x08, -1, 0x10, 0x18, 0x20
112	};
113	static u_char dma_bits[4] = {1, 2, 0, 3};
114#endif
115
116	aprint_naive("\n");
117	wph = &wss_pnpbios_hints[wss_pnpbios_hints_index(aa->idstr)];
118
119	if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_ad1848,
120			   &sc->sc_iot, &sc->sc_ioh)) {
121		aprint_error(": can't map i/o space\n");
122		return;
123	}
124	if (pnpbios_io_map(aa->pbt, aa->resc, wph->io_region_idx_opl,
125			   &sc->sc_iot, &sc->sc_opl_ioh)) {
126		aprint_error(": can't map i/o space\n");
127		return;
128	}
129
130	sc->sc_ad1848.sc_ad1848.sc_dev = self;
131	sc->wss_ic = aa->ic;
132
133	if (pnpbios_getirqnum(aa->pbt, aa->resc, 0, &sc->wss_irq, NULL)) {
134		aprint_error(": can't get IRQ\n");
135		return;
136	}
137
138	if (pnpbios_getdmachan(aa->pbt, aa->resc, 0, &sc->wss_playdrq)) {
139		aprint_error(": can't get DMA channel\n");
140		return;
141	}
142	if (pnpbios_getdmachan(aa->pbt, aa->resc, 1, &sc->wss_recdrq)) {
143		aprint_error(": can't get recording DMA channel");
144		sc->wss_recdrq = sc->wss_playdrq;
145	}
146
147	sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot;
148	bus_space_subregion(sc->sc_iot, sc->sc_ioh, wph->offset_ad1848, 4,
149			    &sc->sc_ad1848.sc_ad1848.sc_ioh);
150
151	aprint_normal("\n");
152	pnpbios_print_devres(self, aa);
153
154	aprint_naive("%s", device_xname(self));
155	aprint_normal("%s", device_xname(self));
156
157	if (!ad1848_isa_probe(&sc->sc_ad1848)) {
158		aprint_error_dev(self, "ad1848 probe failed\n");
159		return;
160	}
161
162	wssattach(sc);
163#if 0
164	/* XXX recdrq */
165	bus_space_write_1(sc->sc_iot, sc->sc_ioh, WSS_CONFIG,
166	    (interrupt_bits[sc->wss_irq] | dma_bits[sc->wss_playdrq]));
167#endif
168	arg.type = AUDIODEV_TYPE_OPL;
169	arg.hwif = 0;
170	arg.hdl = 0;
171	config_found(self, &arg, audioprint, CFARGS(.iattr = "wss"));
172}
173
174