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
53 int wss_pnpbios_match(device_t, cfdata_t, void *);
54 void wss_pnpbios_attach(device_t, device_t, void *);
55 int wss_pnpbios_hints_index(const char *);
56
57
58 CFATTACH_DECL_NEW(wss_pnpbios, sizeof(struct wss_softc),
59 wss_pnpbios_match, wss_pnpbios_attach, NULL, NULL);
60
61 struct 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
68 struct 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
76 int
wss_pnpbios_hints_index(const char * idstr)77 wss_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
90 int
wss_pnpbios_match(device_t parent,cfdata_t match,void * aux)91 wss_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
101 void
wss_pnpbios_attach(device_t parent,device_t self,void * aux)102 wss_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