wss_acpi.c revision 1.2
1 /* $NetBSD: wss_acpi.c,v 1.2 2002/12/28 07:37:51 matt Exp $ */ 2 3 /* 4 * Copyright (c) 2002 Jared D. McNeill <jmcneill (at) 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 1.2 2002/12/28 07:37:51 matt 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 <machine/bus.h> 40 41 #include <sys/audioio.h> 42 #include <dev/audio_if.h> 43 44 #include <dev/isa/isavar.h> 45 #include <dev/isa/isadmavar.h> 46 47 #include <dev/acpi/acpica.h> 48 #include <dev/acpi/acpireg.h> 49 #include <dev/acpi/acpivar.h> 50 51 #include <dev/isa/ad1848var.h> 52 #include <dev/isa/wssreg.h> 53 #include <dev/isa/wssvar.h> 54 55 int wss_acpi_match(struct device *, struct cfdata *, void *); 56 void wss_acpi_attach(struct device *, struct device *, void *); 57 58 void wss_acpi_config_interrupts(struct device *); 59 60 CFATTACH_DECL(wss_acpi, sizeof(struct wss_softc), wss_acpi_match, 61 wss_acpi_attach, NULL, NULL); 62 63 /* 64 * Supported device IDs 65 */ 66 67 static const char * const wss_acpi_ids[] = { 68 "CSC0100", /* NeoMagic 256AV with CS4232 codec */ 69 NULL 70 }; 71 72 /* 73 * wss_acpi_match: autoconf(9) match routine 74 */ 75 int 76 wss_acpi_match(struct device *parent, struct cfdata *match, void *aux) 77 { 78 struct acpi_attach_args *aa = aux; 79 const char *id; 80 int i; 81 82 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 83 return 0; 84 85 for (i = 0; (id = wss_acpi_ids[i]) != NULL; ++i) { 86 if (strcmp(aa->aa_node->ad_devinfo.HardwareId, id) == 0) 87 return 1; 88 } 89 90 /* No matches found */ 91 return 0; 92 } 93 94 /* 95 * wss_acpi_attach: autoconf(9) attach routine 96 */ 97 void 98 wss_acpi_attach(struct device *parent, struct device *self, void *aux) 99 { 100 struct wss_softc *sc = (struct wss_softc *)self; 101 struct acpi_attach_args *aa = aux; 102 struct acpi_resources res; 103 struct acpi_io *dspio, *oplio; 104 struct acpi_irq *irq; 105 struct acpi_drq *playdrq, *recdrq; 106 ACPI_STATUS rv; 107 108 printf(": NeoMagic 256AV audio\n"); 109 110 /* Parse our resources */ 111 rv = acpi_resource_parse(&sc->sc_ad1848.sc_ad1848.sc_dev, 112 aa->aa_node, &res, &acpi_resource_parse_ops_default); 113 if (rv != AE_OK) { 114 printf("%s: unable to parse resources\n", 115 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 116 return; 117 } 118 119 /* Find and map our i/o registers */ 120 sc->sc_iot = aa->aa_iot; 121 dspio = acpi_res_io(&res, 0); 122 oplio = acpi_res_io(&res, 1); 123 if (dspio == NULL || oplio == NULL) { 124 printf("%s: unable to find i/o registers resource\n", 125 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 126 return; 127 } 128 if (bus_space_map(sc->sc_iot, dspio->ar_base, dspio->ar_length, 129 0, &sc->sc_ioh) != 0) { 130 printf("%s: unable to map i/o registers\n", 131 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 132 return; 133 } 134 if (bus_space_map(sc->sc_iot, oplio->ar_base, oplio->ar_length, 135 0, &sc->sc_opl_ioh) != 0) { 136 printf("%s: unable to map opl i/o registers\n", 137 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 138 return; 139 } 140 141 sc->wss_ic = aa->aa_ic; 142 143 /* Find our IRQ */ 144 irq = acpi_res_irq(&res, 0); 145 if (irq == NULL) { 146 printf("%s: unable to find irq resource\n", 147 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 148 /* XXX bus_space_unmap */ 149 return; 150 } 151 sc->wss_irq = irq->ar_irq; 152 153 /* Find our playback and record DRQs */ 154 playdrq = acpi_res_drq(&res, 0); 155 recdrq = acpi_res_drq(&res, 1); 156 if (playdrq == NULL || recdrq == NULL) { 157 printf("%s: unable to find drq resources\n", 158 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 159 /* XXX bus_space_unmap */ 160 return; 161 } 162 sc->wss_playdrq = playdrq->ar_drq; 163 sc->wss_recdrq = recdrq->ar_drq; 164 165 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 166 bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0, 4, 167 &sc->sc_ad1848.sc_ad1848.sc_ioh); 168 169 /* Look for the ad1848 */ 170 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 171 printf("%s: ad1848 probe failed\n", 172 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 173 /* XXX cleanup */ 174 return; 175 } 176 177 /* XXX */ 178 printf("%s: deferring audio attachment\n", 179 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 180 config_interrupts((struct device *)sc, wss_acpi_config_interrupts); 181 } 182 183 /* 184 * XXX 185 */ 186 void 187 wss_acpi_config_interrupts(struct device *dev) 188 { 189 struct wss_softc *sc = (struct wss_softc *)dev; 190 struct audio_attach_args arg; 191 192 printf("%s", sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 193 /* Attach our wss device */ 194 wssattach(sc); 195 196 arg.type = AUDIODEV_TYPE_OPL; 197 arg.hwif = 0; 198 arg.hdl = 0; 199 config_found(dev, &arg, audioprint); 200 } 201
Indexes created Tue Sep 23 14:10:03 GMT 2025