1 /* $NetBSD: wss_acpi.c,v 1.38 2021/10/07 00:11:08 uwe Exp $ */
2
3 /*
4 * Copyright (c) 2002 Jared D. McNeill <jmcneill@invisible.ca>
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. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
20 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
21 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
22 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
23 * 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_acpi.c,v 1.38 2021/10/07 00:11:08 uwe Exp $");
30
31 #include <sys/param.h>
32 #include <sys/audioio.h>
33 #include <sys/device.h>
34 #include <sys/systm.h>
35
36 #include <dev/audio/audio_if.h>
37
38 #include <dev/acpi/acpivar.h>
39
40 #include <dev/isa/isadmavar.h>
41 #include <dev/isa/ad1848var.h>
42 #include <dev/isa/wssreg.h>
43 #include <dev/isa/wssvar.h>
44
45 static int wss_acpi_match(device_t, cfdata_t, void *);
46 static void wss_acpi_attach(device_t, device_t, void *);
47
48 CFATTACH_DECL_NEW(wss_acpi, sizeof(struct wss_softc), wss_acpi_match,
49 wss_acpi_attach, NULL, NULL);
50
51 /*
52 * Supported device IDs
53 */
54
55 struct wss_acpi_hint {
56 char idstr[8];
57 int io_region_idx_ad1848; /* which region index is the DAC? */
58 int io_region_idx_opl; /* which region index is the OPL? */
59 int offset_ad1848; /* offset from start of DAC region */
60 };
61
62 static const struct wss_acpi_hint wss_acpi_hints[] = {
63 { "NMX2210", 1, 2, WSS_CODEC },
64 { "CSC0000", 0, 1, 0 }, /* Dell Latitude CPi */
65 { "CSC0100", 0, 1, 0 }, /* CS4610 with CS4236 codec */
66 };
67
68 static int wss_acpi_hints_index (const char *);
69
70 static int
wss_acpi_hints_index(const char * idstr)71 wss_acpi_hints_index(const char *idstr)
72 {
73 int idx;
74
75 if (idstr == NULL)
76 return -1;
77 for (idx = 0; idx < __arraycount(wss_acpi_hints); idx++) {
78 if (!strcmp(wss_acpi_hints[idx].idstr, idstr))
79 return idx;
80 }
81
82 return -1;
83 }
84
85 /*
86 * wss_acpi_match: autoconf(9) match routine
87 */
88 static int
wss_acpi_match(device_t parent,cfdata_t match,void * aux)89 wss_acpi_match(device_t parent, cfdata_t match, void *aux)
90 {
91 struct acpi_attach_args *aa = aux;
92
93 if ((aa->aa_node->ad_devinfo->Valid & ACPI_VALID_HID) == 0)
94 return 0;
95
96 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE ||
97 wss_acpi_hints_index(aa->aa_node->ad_devinfo->HardwareId.String) == -1)
98 return 0;
99
100 return 1;
101 }
102
103 /*
104 * wss_acpi_attach: autoconf(9) attach routine
105 */
106 static void
wss_acpi_attach(device_t parent,device_t self,void * aux)107 wss_acpi_attach(device_t parent, device_t self, void *aux)
108 {
109 struct wss_softc *sc = device_private(self);
110 struct acpi_attach_args *aa = aux;
111 struct acpi_resources res;
112 struct acpi_io *dspio, *oplio;
113 struct acpi_irq *irq;
114 struct acpi_drq *playdrq, *recdrq;
115 struct audio_attach_args arg;
116 ACPI_STATUS rv;
117 const struct wss_acpi_hint *wah;
118
119 sc->sc_ad1848.sc_ad1848.sc_dev = self;
120 wah = &wss_acpi_hints[
121 wss_acpi_hints_index(aa->aa_node->ad_devinfo->HardwareId.String)];
122
123 /* Parse our resources */
124 rv = acpi_resource_parse(self,
125 aa->aa_node->ad_handle, "_CRS", &res,
126 &acpi_resource_parse_ops_default);
127 if (ACPI_FAILURE(rv))
128 return;
129
130 /* Find and map our i/o registers */
131 sc->sc_iot = aa->aa_iot;
132 dspio = acpi_res_io(&res, wah->io_region_idx_ad1848);
133 oplio = acpi_res_io(&res, wah->io_region_idx_opl);
134 if (dspio == NULL || oplio == NULL) {
135 aprint_error_dev(self,
136 "unable to find i/o registers resource\n");
137 goto out;
138 }
139 if (bus_space_map(sc->sc_iot, dspio->ar_base, dspio->ar_length,
140 0, &sc->sc_ioh) != 0) {
141 aprint_error_dev(self, "unable to map i/o registers\n");
142 goto out;
143 }
144 if (bus_space_map(sc->sc_iot, oplio->ar_base, oplio->ar_length,
145 0, &sc->sc_opl_ioh) != 0) {
146 aprint_error_dev(self, "unable to map opl i/o registers\n");
147 goto out;
148 }
149
150 sc->wss_ic = aa->aa_ic;
151
152 /* Find our IRQ */
153 irq = acpi_res_irq(&res, 0);
154 if (irq == NULL) {
155 aprint_error_dev(self, "unable to find irq resource\n");
156 /* XXX bus_space_unmap */
157 goto out;
158 }
159 sc->wss_irq = irq->ar_irq;
160
161 /* Find our playback and record DRQs */
162 playdrq = acpi_res_drq(&res, 0);
163 recdrq = acpi_res_drq(&res, 1);
164 if (playdrq == NULL || recdrq == NULL) {
165 aprint_error_dev(self, " unable to find drq resources\n");
166 /* XXX bus_space_unmap */
167 goto out;
168 }
169 sc->wss_playdrq = playdrq->ar_drq;
170 sc->wss_recdrq = recdrq->ar_drq;
171
172 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot;
173 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wah->offset_ad1848, 4,
174 &sc->sc_ad1848.sc_ad1848.sc_ioh);
175
176 /* Look for the ad1848 */
177 if (!ad1848_isa_probe(&sc->sc_ad1848)) {
178 aprint_error_dev(self, "ad1848 probe failed\n");
179 /* XXX cleanup */
180 goto out;
181 }
182
183 /* Attach our wss device */
184 aprint_naive("%s", device_xname(self));
185 aprint_normal("%s", device_xname(self));
186 wssattach(sc);
187
188 arg.type = AUDIODEV_TYPE_OPL;
189 arg.hwif = 0;
190 arg.hdl = 0;
191 config_found(self, &arg, audioprint, CFARGS(.iattr = "wss"));
192
193 out:
194 acpi_resource_cleanup(&res);
195 }
196