wss_acpi.c revision 1.24
1 /* $NetBSD: wss_acpi.c,v 1.24 2009/08/18 16:41:02 jmcneill 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 1.24 2009/08/18 16:41:02 jmcneill 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_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 static int wss_acpi_match(device_t, cfdata_t, void *); 56 static void wss_acpi_attach(device_t, device_t, 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 struct wss_acpi_hint { 66 char idstr[8]; 67 int io_region_idx_ad1848; /* which region index is the DAC? */ 68 int io_region_idx_opl; /* which region index is the OPL? */ 69 int offset_ad1848; /* offset from start of DAC region */ 70 }; 71 72 static struct wss_acpi_hint wss_acpi_hints[] = { 73 { "NMX2210", 1, 2, WSS_CODEC }, 74 { "CSC0000", 0, 1, 0 }, /* Dell Latitude CPi */ 75 { "CSC0100", 0, 1, 0 }, /* CS4610 with CS4236 codec */ 76 { { 0 }, 0, 0, 0 } 77 }; 78 79 static int wss_acpi_hints_index (const char *); 80 81 static int 82 wss_acpi_hints_index(const char *idstr) 83 { 84 int idx = 0; 85 86 while (wss_acpi_hints[idx].idstr[0] != 0) { 87 if (!strcmp(wss_acpi_hints[idx].idstr, idstr)) 88 return idx; 89 ++idx; 90 } 91 92 return -1; 93 } 94 95 /* 96 * wss_acpi_match: autoconf(9) match routine 97 */ 98 static int 99 wss_acpi_match(device_t parent, cfdata_t match, void *aux) 100 { 101 struct acpi_attach_args *aa = aux; 102 103 if (aa->aa_node->ad_type != ACPI_TYPE_DEVICE || 104 wss_acpi_hints_index(aa->aa_node->ad_devinfo->HardwareId.String) == -1) 105 return 0; 106 107 return 1; 108 } 109 110 /* 111 * wss_acpi_attach: autoconf(9) attach routine 112 */ 113 static void 114 wss_acpi_attach(device_t parent, device_t self, void *aux) 115 { 116 struct wss_softc *sc = (struct wss_softc *)self; 117 struct acpi_attach_args *aa = aux; 118 struct acpi_resources res; 119 struct acpi_io *dspio, *oplio; 120 struct acpi_irq *irq; 121 struct acpi_drq *playdrq, *recdrq; 122 struct audio_attach_args arg; 123 ACPI_STATUS rv; 124 struct wss_acpi_hint *wah; 125 126 wah = &wss_acpi_hints[ 127 wss_acpi_hints_index(aa->aa_node->ad_devinfo->HardwareId.String)]; 128 129 /* Parse our resources */ 130 rv = acpi_resource_parse(&sc->sc_ad1848.sc_ad1848.sc_dev, 131 aa->aa_node->ad_handle, "_CRS", &res, 132 &acpi_resource_parse_ops_default); 133 if (ACPI_FAILURE(rv)) 134 return; 135 136 /* Find and map our i/o registers */ 137 sc->sc_iot = aa->aa_iot; 138 dspio = acpi_res_io(&res, wah->io_region_idx_ad1848); 139 oplio = acpi_res_io(&res, wah->io_region_idx_opl); 140 if (dspio == NULL || oplio == NULL) { 141 aprint_error_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, "unable to find i/o registers resource\n"); 142 goto out; 143 } 144 if (bus_space_map(sc->sc_iot, dspio->ar_base, dspio->ar_length, 145 0, &sc->sc_ioh) != 0) { 146 aprint_error_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, "unable to map i/o registers\n"); 147 goto out; 148 } 149 if (bus_space_map(sc->sc_iot, oplio->ar_base, oplio->ar_length, 150 0, &sc->sc_opl_ioh) != 0) { 151 aprint_error_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, "unable to map opl i/o registers\n"); 152 goto out; 153 } 154 155 sc->wss_ic = aa->aa_ic; 156 157 /* Find our IRQ */ 158 irq = acpi_res_irq(&res, 0); 159 if (irq == NULL) { 160 aprint_error_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, "unable to find irq resource\n"); 161 /* XXX bus_space_unmap */ 162 goto out; 163 } 164 sc->wss_irq = irq->ar_irq; 165 166 /* Find our playback and record DRQs */ 167 playdrq = acpi_res_drq(&res, 0); 168 recdrq = acpi_res_drq(&res, 1); 169 if (playdrq == NULL || recdrq == NULL) { 170 aprint_error_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, " unable to find drq resources\n"); 171 /* XXX bus_space_unmap */ 172 goto out; 173 } 174 sc->wss_playdrq = playdrq->ar_drq; 175 sc->wss_recdrq = recdrq->ar_drq; 176 177 sc->sc_ad1848.sc_ad1848.sc_iot = sc->sc_iot; 178 bus_space_subregion(sc->sc_iot, sc->sc_ioh, wah->offset_ad1848, 4, 179 &sc->sc_ad1848.sc_ad1848.sc_ioh); 180 181 /* Look for the ad1848 */ 182 if (!ad1848_isa_probe(&sc->sc_ad1848)) { 183 aprint_error_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, "ad1848 probe failed\n"); 184 /* XXX cleanup */ 185 goto out; 186 } 187 188 aprint_normal_dev(&sc->sc_ad1848.sc_ad1848.sc_dev, ""); 189 /* Attach our wss device */ 190 wssattach(sc); 191 192 arg.type = AUDIODEV_TYPE_OPL; 193 arg.hwif = 0; 194 arg.hdl = 0; 195 config_found(self, &arg, audioprint); 196 197 out: 198 acpi_resource_cleanup(&res); 199 } 200
Indexes created Mon Sep 22 13:09:51 GMT 2025