gus_isapnp.c revision 1.22
1 /* $NetBSD: gus_isapnp.c,v 1.22 2003/05/03 18:11:30 wiz 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 1.22 2003/05/03 18:11:30 wiz 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 67 #include <dev/isapnp/isapnpreg.h> 68 #include <dev/isapnp/isapnpvar.h> 69 #include <dev/isapnp/isapnpdevs.h> 70 71 72 #include <dev/ic/interwavevar.h> 73 #include <dev/ic/interwavereg.h> 74 75 76 int gus_isapnp_match __P((struct device *, struct cfdata *, void *)); 77 void gus_isapnp_attach __P((struct device *, struct device *, void *)); 78 static int gus_isapnp_open __P((void *, int)); 79 80 static struct audio_hw_if guspnp_hw_if = { 81 gus_isapnp_open, 82 iwclose, 83 NULL, 84 85 iw_query_encoding, 86 iw_set_params, 87 88 iw_round_blocksize, 89 90 iw_commit_settings, 91 92 iw_init_output, 93 iw_init_input, 94 iw_start_output, 95 iw_start_input, 96 iw_halt_output, 97 iw_halt_input, 98 99 iw_speaker_ctl, 100 101 iw_getdev, 102 iw_setfd, 103 iw_set_port, 104 iw_get_port, 105 iw_query_devinfo, 106 iw_malloc, 107 iw_free, 108 iw_round_buffersize, 109 iw_mappage, 110 iw_get_props, 111 NULL, 112 NULL, 113 NULL, 114 }; 115 116 117 118 CFATTACH_DECL(guspnp, sizeof(struct iw_softc), 119 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 120 121 extern struct cfdriver guspnp_cd; 122 123 /* 124 * Probe / attach routines. 125 */ 126 127 /* 128 * Probe for the guspnp hardware. 129 * 130 * The thing has 5 separate devices on the card 131 */ 132 133 static int gus_0 = 1; /* XXX what's this */ 134 135 int 136 gus_isapnp_match(parent, match, aux) 137 struct device *parent; 138 struct cfdata *match; 139 void *aux; 140 { 141 int pri, variant; 142 143 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 144 if (pri && variant > 0) 145 pri = 0; 146 return (pri); 147 } 148 149 150 151 /* 152 * Attach hardware to driver, attach hardware driver to audio 153 * pseudo-device driver. 154 */ 155 156 void 157 gus_isapnp_attach(parent, self, aux) 158 struct device *parent, *self; 159 void *aux; 160 { 161 struct iw_softc *sc = (struct iw_softc *)self; 162 struct isapnp_attach_args *ipa = aux; 163 164 printf("\n"); 165 166 if (!gus_0) 167 return; 168 gus_0 = 0; 169 170 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 171 printf("%s: error in region allocation\n", 172 sc->sc_dev.dv_xname); 173 return; 174 } 175 176 sc->sc_iot = ipa->ipa_iot; 177 178 /* handle is the region base */ 179 180 sc->dir_h = 0; /* XXXXX */ 181 sc->p2xr = 0; 182 sc->p2xr_h = ipa->ipa_io[0].h; 183 sc->sc_p2xr_ic = ipa->ipa_ic; 184 sc->p3xr = 0; 185 sc->p3xr_h = ipa->ipa_io[1].h; 186 sc->sc_p3xr_ic = ipa->ipa_ic; 187 sc->codec_index = 0; 188 sc->codec_index_h = ipa->ipa_io[2].h; 189 sc->sc_irq = ipa->ipa_irq[0].num; 190 sc->sc_recdrq = ipa->ipa_drq[0].num; 191 sc->sc_playdrq = ipa->ipa_drq[1].num; 192 193 sc->sc_ic = ipa->ipa_ic; 194 195 /* 196 * Create our DMA maps. 197 */ 198 if (sc->sc_playdrq != -1) { 199 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 200 sc->sc_playdrq); 201 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 202 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 203 printf("%s: can't create map for drq %d\n", 204 sc->sc_dev.dv_xname, sc->sc_playdrq); 205 return; 206 } 207 } 208 if (sc->sc_recdrq != -1) { 209 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 210 sc->sc_recdrq); 211 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 212 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 213 printf("%s: can't create map for drq %d\n", 214 sc->sc_dev.dv_xname, sc->sc_recdrq); 215 return; 216 } 217 } 218 219 /* 220 * isapnp is a child if isa, and we need isa for the DMA 221 * routines. 222 */ 223 sc->iw_cd = &guspnp_cd; 224 sc->iw_hw_if = &guspnp_hw_if; 225 226 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 227 ipa->ipa_devclass); 228 229 iwattach(sc); 230 } 231 232 static 233 int 234 gus_isapnp_open(addr, flags) 235 void *addr; 236 int flags; 237 { 238 /* open hardware */ 239 struct iw_softc *sc = (struct iw_softc *)addr; 240 241 if (!sc) 242 return ENXIO; 243 244 return iwopen(sc,flags); 245 } 246 247 #endif /* NGUSPNP */ 248
Indexes created Thu Oct 02 10:09:58 GMT 2025