wss_acpi.c revision 1.4
1 /* $NetBSD: wss_acpi.c,v 1.4 2002/12/30 07:29:26 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 1.4 2002/12/30 07:29:26 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 CFATTACH_DECL(wss_acpi, sizeof(struct wss_softc), wss_acpi_match, 59 wss_acpi_attach, NULL, NULL); 60 61 /* 62 * Supported device IDs 63 */ 64 65 static const char * const wss_acpi_ids[] = { 66 "CSC0100", /* NeoMagic 256AV with CS4232 codec */ 67 NULL 68 }; 69 70 /* 71 * wss_acpi_match: autoconf(9) match routine 72 */ 73 int 74 wss_acpi_match(struct device *parent, struct cfdata *match, void *aux) 75 { 76 struct acpi_attach_args *aa = aux; 77 const char *id; 78 int i; 79 80 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE) 81 return 0; 82 83 for (i = 0; (id = wss_acpi_ids[i]) != NULL; ++i) { 84 if (strcmp(aa->aa_node->ad_devinfo.HardwareId, id) == 0) 85 return 1; 86 } 87 88 /* No matches found */ 89 return 0; 90 } 91 92 /* 93 * wss_acpi_attach: autoconf(9) attach routine 94 */ 95 void 96 wss_acpi_attach(struct device *parent, struct device *self, void *aux) 97 { 98 struct wss_softc *sc = (struct wss_softc *)self; 99 struct acpi_attach_args *aa = aux; 100 struct acpi_resources res; 101 struct acpi_io *dspio, *oplio; 102 struct acpi_irq *irq; 103 struct acpi_drq *playdrq, *recdrq; 104 struct audio_attach_args arg; 105 ACPI_STATUS rv; 106 107 printf(": NeoMagic 256AV audio\n"); 108 109 /* Parse our resources */ 110 rv = acpi_resource_parse(&sc->sc_ad1848.sc_ad1848.sc_dev, 111 aa->aa_node, &res, &acpi_resource_parse_ops_default); 112 if (rv != AE_OK) { 113 printf("%s: unable to parse resources\n", 114 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 115 return; 116 } 117 118 /* Find and map our i/o registers */ 119 sc->sc_iot = aa->aa_iot; 120 dspio = acpi_res_io(&res, 0); 121 oplio = acpi_res_io(&res, 1); 122 if (dspio == NULL || oplio == NULL) { 123 printf("%s: unable to find i/o registers resource\n", 124 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 125 return; 126 } 127 if (bus_space_map(sc->sc_iot, dspio->ar_base, dspio->ar_length, 128 0, &sc->sc_ioh) != 0) { 129 printf("%s: unable to map i/o registers\n", 130 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 131 return; 132 } 133 if (bus_space_map(sc->sc_iot, oplio->ar_base, oplio->ar_length, 134 0, &sc->sc_opl_ioh) != 0) { 135 printf("%s: unable to map opl i/o registers\n", 136 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 137 return; 138 } 139 140 sc->wss_ic = aa->aa_ic; 141 142 /* Find our IRQ */ 143 irq = acpi_res_irq(&res, 0); 144 if (irq == NULL) { 145 printf("%s: unable to find irq resource\n", 146 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 147 /* XXX bus_space_unmap */ 148 return; 149 } 150 sc->wss_irq = irq->ar_irq; 151 152 /* Find our playback and record DRQs */ 153 playdrq = acpi_res_drq(&res, 0); 154 recdrq = acpi_res_drq(&res, 1); 155 if (playdrq == NULL || recdrq == NULL) { 156 printf("%s: unable to find drq resources\n", 157 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 158 /* XXX bus_space_unmap */ 159 return; 160 } 161 sc->wss_playdrq = playdrq->ar_drq; 162 sc->wss_recdrq = recdrq->ar_drq; 163 164 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 165 bus_space_subregion(sc->sc_iot, sc->sc_ioh, 0, 4, 166 &sc->sc_ad1848.sc_ad1848.sc_ioh); 167 168 /* Look for the ad1848 */ 169 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 170 printf("%s: ad1848 probe failed\n", 171 sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 172 /* XXX cleanup */ 173 return; 174 } 175 176 printf("%s", sc->sc_ad1848.sc_ad1848.sc_dev.dv_xname); 177 /* Attach our wss device */ 178 wssattach(sc); 179 180 arg.type = AUDIODEV_TYPE_OPL; 181 arg.hwif = 0; 182 arg.hdl = 0; 183 config_found(self, &arg, audioprint); 184 } 185
Indexes created Thu Oct 02 14:10:14 GMT 2025