gus_isapnp.c revision 1.20
1 /* $NetBSD: gus_isapnp.c,v 1.20 2002/10/02 16:33:58 thorpej 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 1.20 2002/10/02 16:33:58 thorpej 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 CFATTACH_DECL(guspnp, sizeof(struct iw_softc), 120 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 121 122 extern struct cfdriver guspnp_cd; 123 124 /* 125 * Probe / attach routines. 126 */ 127 128 /* 129 * Probe for the guspnp hardware. 130 * 131 * The thing has 5 separate devices on the card 132 */ 133 134 static int gus_0 = 1; /* XXX what's this */ 135 136 int 137 gus_isapnp_match(parent, match, aux) 138 struct device *parent; 139 struct cfdata *match; 140 void *aux; 141 { 142 int pri, variant; 143 144 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 145 if (pri && variant > 0) 146 pri = 0; 147 return (pri); 148 } 149 150 151 152 /* 153 * Attach hardware to driver, attach hardware driver to audio 154 * pseudo-device driver. 155 */ 156 157 void 158 gus_isapnp_attach(parent, self, aux) 159 struct device *parent, *self; 160 void *aux; 161 { 162 struct iw_softc *sc = (struct iw_softc *)self; 163 struct isapnp_attach_args *ipa = aux; 164 165 printf("\n"); 166 167 if (!gus_0) 168 return; 169 gus_0 = 0; 170 171 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 172 printf("%s: error in region allocation\n", 173 sc->sc_dev.dv_xname); 174 return; 175 } 176 177 sc->sc_iot = ipa->ipa_iot; 178 179 /* handle is the region base */ 180 181 sc->dir_h = 0; /* XXXXX */ 182 sc->p2xr = 0; 183 sc->p2xr_h = ipa->ipa_io[0].h; 184 sc->sc_p2xr_ic = ipa->ipa_ic; 185 sc->p3xr = 0; 186 sc->p3xr_h = ipa->ipa_io[1].h; 187 sc->sc_p3xr_ic = ipa->ipa_ic; 188 sc->codec_index = 0; 189 sc->codec_index_h = ipa->ipa_io[2].h; 190 sc->sc_irq = ipa->ipa_irq[0].num; 191 sc->sc_recdrq = ipa->ipa_drq[0].num; 192 sc->sc_playdrq = ipa->ipa_drq[1].num; 193 194 sc->sc_ic = ipa->ipa_ic; 195 196 /* 197 * Create our DMA maps. 198 */ 199 if (sc->sc_playdrq != -1) { 200 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 201 sc->sc_playdrq); 202 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 203 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 204 printf("%s: can't create map for drq %d\n", 205 sc->sc_dev.dv_xname, sc->sc_playdrq); 206 return; 207 } 208 } 209 if (sc->sc_recdrq != -1) { 210 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 211 sc->sc_recdrq); 212 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 213 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 214 printf("%s: can't create map for drq %d\n", 215 sc->sc_dev.dv_xname, sc->sc_recdrq); 216 return; 217 } 218 } 219 220 /* 221 * isapnp is a child if isa, and we need isa for the dma 222 * routines. 223 */ 224 sc->iw_cd = &guspnp_cd; 225 sc->iw_hw_if = &guspnp_hw_if; 226 227 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 228 ipa->ipa_devclass); 229 230 iwattach(sc); 231 } 232 233 static 234 int 235 gus_isapnp_open(addr, flags) 236 void *addr; 237 int flags; 238 { 239 /* open hardware */ 240 struct iw_softc *sc = (struct iw_softc *)addr; 241 242 if (!sc) 243 return ENXIO; 244 245 return iwopen(sc,flags); 246 } 247 248 #endif /* NGUSPNP */ 249
Indexes created Thu Oct 02 10:09:58 GMT 2025