gus_isapnp.c revision 1.16
1 /* $NetBSD: gus_isapnp.c,v 1.16 2001/10/03 00:04:51 augustss Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * Author: Kari Mettinen 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. All advertising materials mentioning features or use of this software 18 * must display the following acknowledgement: 19 * This product includes software developed by the NetBSD 20 * Foundation, Inc. and its contributors. 21 * 4. Neither the name of The NetBSD Foundation nor the names of its 22 * contributors may be used to endorse or promote products derived 23 * from this software without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 26 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 27 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 28 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 29 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 30 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 31 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 32 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 33 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 34 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 35 * POSSIBILITY OF SUCH DAMAGE. 36 */ 37 38 #include "guspnp.h" 39 #if NGUSPNP > 0 40 41 #include <sys/param.h> 42 #include <sys/fcntl.h> 43 #include <sys/vnode.h> 44 #include <sys/poll.h> 45 #include <sys/malloc.h> 46 #include <sys/select.h> 47 #include <sys/systm.h> 48 #include <sys/errno.h> 49 #include <sys/ioctl.h> 50 #include <sys/syslog.h> 51 #include <sys/device.h> 52 #include <sys/proc.h> 53 54 #include <machine/bus.h> 55 56 #include <sys/audioio.h> 57 #include <dev/audio_if.h> 58 #include <dev/audiovar.h> 59 #include <dev/mulaw.h> 60 61 #include <dev/isa/isavar.h> 62 #include <dev/isa/isadmavar.h> 63 #include <i386/isa/icu.h> 64 65 #include <dev/isapnp/isapnpreg.h> 66 #include <dev/isapnp/isapnpvar.h> 67 #include <dev/isapnp/isapnpdevs.h> 68 69 70 #include <dev/ic/interwavevar.h> 71 #include <dev/ic/interwavereg.h> 72 73 74 int gus_isapnp_match __P((struct device *, struct cfdata *, void *)); 75 void gus_isapnp_attach __P((struct device *, struct device *, void *)); 76 static int gus_isapnp_open __P((void *, int)); 77 78 static struct audio_hw_if guspnp_hw_if = { 79 gus_isapnp_open, 80 iwclose, 81 NULL, 82 83 iw_query_encoding, 84 iw_set_params, 85 86 iw_round_blocksize, 87 88 iw_commit_settings, 89 90 iw_init_output, 91 iw_init_input, 92 iw_start_output, 93 iw_start_input, 94 iw_halt_output, 95 iw_halt_input, 96 97 iw_speaker_ctl, 98 99 iw_getdev, 100 iw_setfd, 101 iw_set_port, 102 iw_get_port, 103 iw_query_devinfo, 104 iw_malloc, 105 iw_free, 106 iw_round_buffersize, 107 iw_mappage, 108 iw_get_props, 109 NULL, 110 NULL, 111 NULL, 112 }; 113 114 115 116 struct cfattach guspnp_ca = { 117 sizeof(struct iw_softc), gus_isapnp_match, gus_isapnp_attach 118 }; 119 120 extern struct cfdriver guspnp_cd; 121 122 /* 123 * Probe / attach routines. 124 */ 125 126 /* 127 * Probe for the guspnp hardware. 128 * 129 * The thing has 5 separate devices on the card 130 */ 131 132 static int gus_0 = 1; /* XXX what's this */ 133 134 int 135 gus_isapnp_match(parent, match, aux) 136 struct device *parent; 137 struct cfdata *match; 138 void *aux; 139 { 140 int pri, variant; 141 142 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 143 if (pri && variant > 0) 144 pri = 0; 145 return (pri); 146 } 147 148 149 150 /* 151 * Attach hardware to driver, attach hardware driver to audio 152 * pseudo-device driver. 153 */ 154 155 void 156 gus_isapnp_attach(parent, self, aux) 157 struct device *parent, *self; 158 void *aux; 159 { 160 struct iw_softc *sc = (struct iw_softc *)self; 161 struct isapnp_attach_args *ipa = aux; 162 163 printf("\n"); 164 165 if (!gus_0) 166 return; 167 gus_0 = 0; 168 169 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 170 printf("%s: error in region allocation\n", 171 sc->sc_dev.dv_xname); 172 return; 173 } 174 175 sc->sc_iot = ipa->ipa_iot; 176 177 /* handle is the region base */ 178 179 sc->dir_h = 0; /* XXXXX */ 180 sc->p2xr = 0; 181 sc->p2xr_h = ipa->ipa_io[0].h; 182 sc->sc_p2xr_ic = ipa->ipa_ic; 183 sc->p3xr = 0; 184 sc->p3xr_h = ipa->ipa_io[1].h; 185 sc->sc_p3xr_ic = ipa->ipa_ic; 186 sc->codec_index = 0; 187 sc->codec_index_h = ipa->ipa_io[2].h; 188 sc->sc_irq = ipa->ipa_irq[0].num; 189 sc->sc_recdrq = ipa->ipa_drq[0].num; 190 sc->sc_playdrq = ipa->ipa_drq[1].num; 191 192 sc->sc_ic = ipa->ipa_ic; 193 194 /* 195 * Create our DMA maps. 196 */ 197 if (sc->sc_playdrq != -1) { 198 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 199 sc->sc_playdrq); 200 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 201 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 202 printf("%s: can't create map for drq %d\n", 203 sc->sc_dev.dv_xname, sc->sc_playdrq); 204 return; 205 } 206 } 207 if (sc->sc_recdrq != -1) { 208 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 209 sc->sc_recdrq); 210 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 211 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 212 printf("%s: can't create map for drq %d\n", 213 sc->sc_dev.dv_xname, sc->sc_recdrq); 214 return; 215 } 216 } 217 218 /* 219 * isapnp is a child if isa, and we need isa for the dma 220 * routines. 221 */ 222 sc->iw_cd = &guspnp_cd; 223 sc->iw_hw_if = &guspnp_hw_if; 224 225 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 226 ipa->ipa_devclass); 227 228 iwattach(sc); 229 } 230 231 static 232 int 233 gus_isapnp_open(addr, flags) 234 void *addr; 235 int flags; 236 { 237 /* open hardware */ 238 struct iw_softc *sc = (struct iw_softc *)addr; 239 240 if (!sc) 241 return ENXIO; 242 243 return iwopen(sc,flags); 244 } 245 246 #endif /* NGUSPNP */ 247
Indexes created Thu Oct 02 07:10:07 GMT 2025