1 /* $NetBSD: gus_isapnp.c,v 1.15 2000/02/07 22:07:32 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 "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 }; 110 111 112 113 struct cfattach guspnp_ca = { 114 sizeof(struct iw_softc), gus_isapnp_match, gus_isapnp_attach 115 }; 116 117 extern struct cfdriver guspnp_cd; 118 119 /* 120 * Probe / attach routines. 121 */ 122 123 /* 124 * Probe for the guspnp hardware. 125 * 126 * The thing has 5 separate devices on the card 127 */ 128 129 static int gus_0 = 1; /* XXX what's this */ 130 131 int 132 gus_isapnp_match(parent, match, aux) 133 struct device *parent; 134 struct cfdata *match; 135 void *aux; 136 { 137 int pri, variant; 138 139 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 140 if (pri && variant > 0) 141 pri = 0; 142 return (pri); 143 } 144 145 146 147 /* 148 * Attach hardware to driver, attach hardware driver to audio 149 * pseudo-device driver. 150 */ 151 152 void 153 gus_isapnp_attach(parent, self, aux) 154 struct device *parent, *self; 155 void *aux; 156 { 157 struct iw_softc *sc = (struct iw_softc *)self; 158 struct isapnp_attach_args *ipa = aux; 159 160 printf("\n"); 161 162 if (!gus_0) 163 return; 164 gus_0 = 0; 165 166 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 167 printf("%s: error in region allocation\n", 168 sc->sc_dev.dv_xname); 169 return; 170 } 171 172 sc->sc_iot = ipa->ipa_iot; 173 174 /* handle is the region base */ 175 176 sc->dir_h = 0; /* XXXXX */ 177 sc->p2xr = 0; 178 sc->p2xr_h = ipa->ipa_io[0].h; 179 sc->sc_p2xr_ic = ipa->ipa_ic; 180 sc->p3xr = 0; 181 sc->p3xr_h = ipa->ipa_io[1].h; 182 sc->sc_p3xr_ic = ipa->ipa_ic; 183 sc->codec_index = 0; 184 sc->codec_index_h = ipa->ipa_io[2].h; 185 sc->sc_irq = ipa->ipa_irq[0].num; 186 sc->sc_recdrq = ipa->ipa_drq[0].num; 187 sc->sc_playdrq = ipa->ipa_drq[1].num; 188 189 sc->sc_ic = ipa->ipa_ic; 190 191 /* 192 * Create our DMA maps. 193 */ 194 if (sc->sc_playdrq != -1) { 195 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 196 sc->sc_playdrq); 197 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 198 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 199 printf("%s: can't create map for drq %d\n", 200 sc->sc_dev.dv_xname, sc->sc_playdrq); 201 return; 202 } 203 } 204 if (sc->sc_recdrq != -1) { 205 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 206 sc->sc_recdrq); 207 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 208 sc->sc_rec_maxsize, 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_recdrq); 211 return; 212 } 213 } 214 215 /* 216 * isapnp is a child if isa, and we need isa for the dma 217 * routines. 218 */ 219 sc->iw_cd = &guspnp_cd; 220 sc->iw_hw_if = &guspnp_hw_if; 221 222 printf("%s: %s %s", sc->sc_dev.dv_xname, ipa->ipa_devident, 223 ipa->ipa_devclass); 224 225 iwattach(sc); 226 } 227 228 static 229 int 230 gus_isapnp_open(addr, flags) 231 void *addr; 232 int flags; 233 { 234 /* open hardware */ 235 struct iw_softc *sc = (struct iw_softc *)addr; 236 237 if (!sc) 238 return ENXIO; 239 240 return iwopen(sc,flags); 241 } 242 243 #endif /* NGUSPNP */ 244