gus_isapnp.c revision 1.7
1 #include "guspnp.h" 2 #if NGUSPNP > 0 3 4 /* $NetBSD: gus_isapnp.c,v 1.7 1998/06/09 00:05:19 thorpej Exp $ */ 5 6 /* 7 * Copyright (c) 1997 The NetBSD Foundation, Inc. 8 * All rights reserved. 9 * 10 * Author: Kari Mettinen 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. All advertising materials mentioning features or use of this software 21 * must display the following acknowledgement: 22 * This product includes software developed by the NetBSD 23 * Foundation, Inc. and its contributors. 24 * 4. Neither the name of The NetBSD Foundation nor the names of its 25 * contributors may be used to endorse or promote products derived 26 * from this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 29 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 30 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 31 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 32 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 33 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 34 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 35 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 36 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 37 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 38 * POSSIBILITY OF SUCH DAMAGE. 39 */ 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 68 69 #include <dev/ic/interwavevar.h> 70 #include <dev/ic/interwavereg.h> 71 72 73 #ifdef __BROKEN_INDIRECT_CONFIG 74 int gus_isapnp_match __P((struct device *, void *, void *)); 75 #else 76 int gus_isapnp_match __P((struct device *, struct cfdata *, void *)); 77 #endif 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, 110 iw_mappage, 111 iw_get_props, 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 = 0; /* XXX what's this */ 133 134 int 135 gus_isapnp_match(parent, match, aux) 136 struct device *parent; 137 #ifdef __BROKEN_INDIRECT_CONFIG 138 void *match; 139 #else 140 struct cfdata *match; 141 #endif 142 void *aux; 143 { 144 struct isapnp_attach_args *ipa = aux; 145 146 if (!strcmp(ipa->ipa_devlogic, "GRV0000")) { 147 gus_0 = 1; 148 return 1; 149 /* we'll add support for other logical devices later */ 150 } 151 return 0; 152 } 153 154 155 156 /* 157 * Attach hardware to driver, attach hardware driver to audio 158 * pseudo-device driver. 159 */ 160 161 static struct iw_softc *gussc; 162 163 void 164 gus_isapnp_attach(parent, self, aux) 165 struct device *parent, *self; 166 void *aux; 167 { 168 struct iw_softc *sc = (struct iw_softc *)self; 169 struct isapnp_attach_args *ipa = aux; 170 171 printf("\n"); 172 173 if (!gus_0) 174 return; 175 176 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 177 printf("%s: error in region allocation\n", 178 sc->sc_dev.dv_xname); 179 return; 180 } 181 182 gussc = sc; 183 184 sc->sc_iot = ipa->ipa_iot; 185 186 /* handle is the region base */ 187 188 sc->dir_h = 0; /* XXXXX */ 189 sc->p2xr = 0; 190 sc->p2xr_h = ipa->ipa_io[0].h; 191 sc->sc_p2xr_ic = ipa->ipa_ic; 192 sc->p3xr = 0; 193 sc->p3xr_h = ipa->ipa_io[1].h; 194 sc->sc_p3xr_ic = ipa->ipa_ic; 195 sc->codec_index = 0; 196 sc->codec_index_h = ipa->ipa_io[2].h; 197 sc->sc_irq = ipa->ipa_irq[0].num; 198 sc->sc_recdrq = ipa->ipa_drq[0].num; 199 sc->sc_playdrq = ipa->ipa_drq[1].num; 200 201 sc->sc_ic = ipa->ipa_ic; 202 203 /* 204 * Create our DMA maps. 205 */ 206 if (sc->sc_playdrq != -1) { 207 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 208 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 209 printf("%s: can't create map for drq %d\n", 210 sc->sc_dev.dv_xname, sc->sc_playdrq); 211 return; 212 } 213 } 214 if (sc->sc_recdrq != -1) { 215 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 216 MAX_ISADMA, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 217 printf("%s: can't create map for drq %d\n", 218 sc->sc_dev.dv_xname, sc->sc_recdrq); 219 return; 220 } 221 } 222 223 /* 224 * isapnp is a child if isa, and we need isa for the dma 225 * routines. 226 */ 227 sc->iw_cd = &guspnp_cd; 228 sc->iw_hw_if = &guspnp_hw_if; 229 230 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 231 ipa->ipa_devclass); 232 233 iwattach(sc); 234 } 235 236 static 237 int 238 gus_isapnp_open(addr, flags) 239 void *addr; 240 int flags; 241 { 242 /* open hardware */ 243 struct iw_softc *sc = (struct iw_softc *)addr; 244 245 if (!sc) 246 return ENXIO; 247 248 return iwopen(sc,flags); 249 } 250 251 #endif /* NGUSPNP */ 252
Indexes created Thu Oct 02 10:09:58 GMT 2025