gus_isapnp.c revision 1.17
1 /* $NetBSD: gus_isapnp.c,v 1.17 2001/11/13 07:56:40 lukem 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 <sys/cdefs.h> 39 __KERNEL_RCSID(0, "$NetBSD: gus_isapnp.c,v 1.17 2001/11/13 07:56:40 lukem Exp $"); 40 41 #include "guspnp.h" 42 #if NGUSPNP > 0 43 44 #include <sys/param.h> 45 #include <sys/fcntl.h> 46 #include <sys/vnode.h> 47 #include <sys/poll.h> 48 #include <sys/malloc.h> 49 #include <sys/select.h> 50 #include <sys/systm.h> 51 #include <sys/errno.h> 52 #include <sys/ioctl.h> 53 #include <sys/syslog.h> 54 #include <sys/device.h> 55 #include <sys/proc.h> 56 57 #include <machine/bus.h> 58 59 #include <sys/audioio.h> 60 #include <dev/audio_if.h> 61 #include <dev/audiovar.h> 62 #include <dev/mulaw.h> 63 64 #include <dev/isa/isavar.h> 65 #include <dev/isa/isadmavar.h> 66 #include <i386/isa/icu.h> 67 68 #include <dev/isapnp/isapnpreg.h> 69 #include <dev/isapnp/isapnpvar.h> 70 #include <dev/isapnp/isapnpdevs.h> 71 72 73 #include <dev/ic/interwavevar.h> 74 #include <dev/ic/interwavereg.h> 75 76 77 int gus_isapnp_match __P((struct device *, struct cfdata *, void *)); 78 void gus_isapnp_attach __P((struct device *, struct device *, void *)); 79 static int gus_isapnp_open __P((void *, int)); 80 81 static struct audio_hw_if guspnp_hw_if = { 82 gus_isapnp_open, 83 iwclose, 84 NULL, 85 86 iw_query_encoding, 87 iw_set_params, 88 89 iw_round_blocksize, 90 91 iw_commit_settings, 92 93 iw_init_output, 94 iw_init_input, 95 iw_start_output, 96 iw_start_input, 97 iw_halt_output, 98 iw_halt_input, 99 100 iw_speaker_ctl, 101 102 iw_getdev, 103 iw_setfd, 104 iw_set_port, 105 iw_get_port, 106 iw_query_devinfo, 107 iw_malloc, 108 iw_free, 109 iw_round_buffersize, 110 iw_mappage, 111 iw_get_props, 112 NULL, 113 NULL, 114 NULL, 115 }; 116 117 118 119 struct cfattach guspnp_ca = { 120 sizeof(struct iw_softc), gus_isapnp_match, gus_isapnp_attach 121 }; 122 123 extern struct cfdriver guspnp_cd; 124 125 /* 126 * Probe / attach routines. 127 */ 128 129 /* 130 * Probe for the guspnp hardware. 131 * 132 * The thing has 5 separate devices on the card 133 */ 134 135 static int gus_0 = 1; /* XXX what's this */ 136 137 int 138 gus_isapnp_match(parent, match, aux) 139 struct device *parent; 140 struct cfdata *match; 141 void *aux; 142 { 143 int pri, variant; 144 145 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 146 if (pri && variant > 0) 147 pri = 0; 148 return (pri); 149 } 150 151 152 153 /* 154 * Attach hardware to driver, attach hardware driver to audio 155 * pseudo-device driver. 156 */ 157 158 void 159 gus_isapnp_attach(parent, self, aux) 160 struct device *parent, *self; 161 void *aux; 162 { 163 struct iw_softc *sc = (struct iw_softc *)self; 164 struct isapnp_attach_args *ipa = aux; 165 166 printf("\n"); 167 168 if (!gus_0) 169 return; 170 gus_0 = 0; 171 172 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 173 printf("%s: error in region allocation\n", 174 sc->sc_dev.dv_xname); 175 return; 176 } 177 178 sc->sc_iot = ipa->ipa_iot; 179 180 /* handle is the region base */ 181 182 sc->dir_h = 0; /* XXXXX */ 183 sc->p2xr = 0; 184 sc->p2xr_h = ipa->ipa_io[0].h; 185 sc->sc_p2xr_ic = ipa->ipa_ic; 186 sc->p3xr = 0; 187 sc->p3xr_h = ipa->ipa_io[1].h; 188 sc->sc_p3xr_ic = ipa->ipa_ic; 189 sc->codec_index = 0; 190 sc->codec_index_h = ipa->ipa_io[2].h; 191 sc->sc_irq = ipa->ipa_irq[0].num; 192 sc->sc_recdrq = ipa->ipa_drq[0].num; 193 sc->sc_playdrq = ipa->ipa_drq[1].num; 194 195 sc->sc_ic = ipa->ipa_ic; 196 197 /* 198 * Create our DMA maps. 199 */ 200 if (sc->sc_playdrq != -1) { 201 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 202 sc->sc_playdrq); 203 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 204 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 205 printf("%s: can't create map for drq %d\n", 206 sc->sc_dev.dv_xname, sc->sc_playdrq); 207 return; 208 } 209 } 210 if (sc->sc_recdrq != -1) { 211 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 212 sc->sc_recdrq); 213 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 214 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 215 printf("%s: can't create map for drq %d\n", 216 sc->sc_dev.dv_xname, sc->sc_recdrq); 217 return; 218 } 219 } 220 221 /* 222 * isapnp is a child if isa, and we need isa for the dma 223 * routines. 224 */ 225 sc->iw_cd = &guspnp_cd; 226 sc->iw_hw_if = &guspnp_hw_if; 227 228 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 229 ipa->ipa_devclass); 230 231 iwattach(sc); 232 } 233 234 static 235 int 236 gus_isapnp_open(addr, flags) 237 void *addr; 238 int flags; 239 { 240 /* open hardware */ 241 struct iw_softc *sc = (struct iw_softc *)addr; 242 243 if (!sc) 244 return ENXIO; 245 246 return iwopen(sc,flags); 247 } 248 249 #endif /* NGUSPNP */ 250
Indexes created Thu Oct 02 10:09:58 GMT 2025