gus_isapnp.c revision 1.32
1 /* $NetBSD: gus_isapnp.c,v 1.32 2008/04/08 20:09:27 cegger 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 1.32 2008/04/08 20:09:27 cegger 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 <sys/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(struct device *, struct cfdata *, void *); 77 void gus_isapnp_attach(struct device *, struct device *, void *); 78 static int gus_isapnp_open(void *, int); 79 80 static const struct audio_hw_if guspnp_hw_if = { 81 gus_isapnp_open, 82 iwclose, 83 NULL, /* drain */ 84 iw_query_encoding, 85 iw_set_params, 86 iw_round_blocksize, 87 iw_commit_settings, 88 iw_init_output, 89 iw_init_input, 90 iw_start_output, 91 iw_start_input, 92 iw_halt_output, 93 iw_halt_input, 94 iw_speaker_ctl, 95 iw_getdev, 96 iw_setfd, 97 iw_set_port, 98 iw_get_port, 99 iw_query_devinfo, 100 iw_malloc, 101 iw_free, 102 iw_round_buffersize, 103 iw_mappage, 104 iw_get_props, 105 NULL, /* trigger_output */ 106 NULL, /* trigger_input */ 107 NULL, /* dev_ioctl */ 108 NULL, /* powerstate */ 109 }; 110 111 CFATTACH_DECL(guspnp, sizeof(struct iw_softc), 112 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 113 114 extern struct cfdriver guspnp_cd; 115 116 /* 117 * Probe / attach routines. 118 */ 119 120 /* 121 * Probe for the guspnp hardware. 122 * 123 * The thing has 5 separate devices on the card 124 */ 125 126 static int gus_0 = 1; /* XXX what's this */ 127 128 int 129 gus_isapnp_match(struct device *parent, struct cfdata *match, 130 void *aux) 131 { 132 int pri, variant; 133 134 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 135 if (pri && variant > 0) 136 pri = 0; 137 return pri; 138 } 139 140 /* 141 * Attach hardware to driver, attach hardware driver to audio 142 * pseudo-device driver. 143 */ 144 void 145 gus_isapnp_attach(struct device *parent, struct device *self, 146 void *aux) 147 { 148 struct iw_softc *sc; 149 struct isapnp_attach_args *ipa; 150 151 sc = device_private(self); 152 ipa = aux; 153 printf("\n"); 154 155 if (!gus_0) 156 return; 157 gus_0 = 0; 158 159 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 160 aprint_error_dev(&sc->sc_dev, "error in region allocation\n"); 161 return; 162 } 163 164 sc->sc_iot = ipa->ipa_iot; 165 166 /* handle is the region base */ 167 168 sc->dir_h = 0; /* XXXXX */ 169 sc->p2xr = 0; 170 sc->p2xr_h = ipa->ipa_io[0].h; 171 sc->sc_p2xr_ic = ipa->ipa_ic; 172 sc->p3xr = 0; 173 sc->p3xr_h = ipa->ipa_io[1].h; 174 sc->sc_p3xr_ic = ipa->ipa_ic; 175 sc->codec_index = 0; 176 sc->codec_index_h = ipa->ipa_io[2].h; 177 sc->sc_irq = ipa->ipa_irq[0].num; 178 sc->sc_recdrq = ipa->ipa_drq[0].num; 179 sc->sc_playdrq = ipa->ipa_drq[1].num; 180 181 sc->sc_ic = ipa->ipa_ic; 182 183 /* 184 * Create our DMA maps. 185 */ 186 if (sc->sc_playdrq != -1) { 187 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 188 sc->sc_playdrq); 189 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 190 aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n", 191 sc->sc_playdrq); 192 return; 193 } 194 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 195 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 196 aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n", 197 sc->sc_playdrq); 198 return; 199 } 200 } 201 if (sc->sc_recdrq != -1) { 202 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 203 sc->sc_recdrq); 204 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 205 aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n", 206 sc->sc_recdrq); 207 return; 208 } 209 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 210 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 211 aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n", 212 sc->sc_recdrq); 213 return; 214 } 215 } 216 217 /* 218 * isapnp is a child if isa, and we need isa for the DMA 219 * routines. 220 */ 221 sc->iw_cd = &guspnp_cd; 222 sc->iw_hw_if = &guspnp_hw_if; 223 224 printf("%s: %s %s", device_xname(&sc->sc_dev), ipa->ipa_devident, 225 ipa->ipa_devclass); 226 227 iwattach(sc); 228 } 229 230 static int 231 gus_isapnp_open(void *addr, int flags) 232 { 233 /* open hardware */ 234 struct iw_softc *sc; 235 236 sc = (struct iw_softc *)addr; 237 if (!sc) 238 return ENXIO; 239 240 return iwopen(sc,flags); 241 } 242 243 #endif /* NGUSPNP */ 244
Indexes created Thu Oct 02 10:09:58 GMT 2025