1 /* $NetBSD: gus_isapnp.c,v 1.33 2008/04/28 20:23:52 martin 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 * 18 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 19 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 20 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 21 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 22 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 28 * POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: gus_isapnp.c,v 1.33 2008/04/28 20:23:52 martin Exp $"); 33 34 #include "guspnp.h" 35 #if NGUSPNP > 0 36 37 #include <sys/param.h> 38 #include <sys/fcntl.h> 39 #include <sys/vnode.h> 40 #include <sys/poll.h> 41 #include <sys/malloc.h> 42 #include <sys/select.h> 43 #include <sys/systm.h> 44 #include <sys/errno.h> 45 #include <sys/ioctl.h> 46 #include <sys/syslog.h> 47 #include <sys/device.h> 48 #include <sys/proc.h> 49 50 #include <sys/bus.h> 51 52 #include <sys/audioio.h> 53 #include <dev/audio_if.h> 54 #include <dev/audiovar.h> 55 #include <dev/mulaw.h> 56 57 #include <dev/isa/isavar.h> 58 #include <dev/isa/isadmavar.h> 59 60 #include <dev/isapnp/isapnpreg.h> 61 #include <dev/isapnp/isapnpvar.h> 62 #include <dev/isapnp/isapnpdevs.h> 63 64 65 #include <dev/ic/interwavevar.h> 66 #include <dev/ic/interwavereg.h> 67 68 69 int gus_isapnp_match(struct device *, struct cfdata *, void *); 70 void gus_isapnp_attach(struct device *, struct device *, void *); 71 static int gus_isapnp_open(void *, int); 72 73 static const struct audio_hw_if guspnp_hw_if = { 74 gus_isapnp_open, 75 iwclose, 76 NULL, /* drain */ 77 iw_query_encoding, 78 iw_set_params, 79 iw_round_blocksize, 80 iw_commit_settings, 81 iw_init_output, 82 iw_init_input, 83 iw_start_output, 84 iw_start_input, 85 iw_halt_output, 86 iw_halt_input, 87 iw_speaker_ctl, 88 iw_getdev, 89 iw_setfd, 90 iw_set_port, 91 iw_get_port, 92 iw_query_devinfo, 93 iw_malloc, 94 iw_free, 95 iw_round_buffersize, 96 iw_mappage, 97 iw_get_props, 98 NULL, /* trigger_output */ 99 NULL, /* trigger_input */ 100 NULL, /* dev_ioctl */ 101 NULL, /* powerstate */ 102 }; 103 104 CFATTACH_DECL(guspnp, sizeof(struct iw_softc), 105 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 106 107 extern struct cfdriver guspnp_cd; 108 109 /* 110 * Probe / attach routines. 111 */ 112 113 /* 114 * Probe for the guspnp hardware. 115 * 116 * The thing has 5 separate devices on the card 117 */ 118 119 static int gus_0 = 1; /* XXX what's this */ 120 121 int 122 gus_isapnp_match(struct device *parent, struct cfdata *match, 123 void *aux) 124 { 125 int pri, variant; 126 127 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 128 if (pri && variant > 0) 129 pri = 0; 130 return pri; 131 } 132 133 /* 134 * Attach hardware to driver, attach hardware driver to audio 135 * pseudo-device driver. 136 */ 137 void 138 gus_isapnp_attach(struct device *parent, struct device *self, 139 void *aux) 140 { 141 struct iw_softc *sc; 142 struct isapnp_attach_args *ipa; 143 144 sc = device_private(self); 145 ipa = aux; 146 printf("\n"); 147 148 if (!gus_0) 149 return; 150 gus_0 = 0; 151 152 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 153 aprint_error_dev(&sc->sc_dev, "error in region allocation\n"); 154 return; 155 } 156 157 sc->sc_iot = ipa->ipa_iot; 158 159 /* handle is the region base */ 160 161 sc->dir_h = 0; /* XXXXX */ 162 sc->p2xr = 0; 163 sc->p2xr_h = ipa->ipa_io[0].h; 164 sc->sc_p2xr_ic = ipa->ipa_ic; 165 sc->p3xr = 0; 166 sc->p3xr_h = ipa->ipa_io[1].h; 167 sc->sc_p3xr_ic = ipa->ipa_ic; 168 sc->codec_index = 0; 169 sc->codec_index_h = ipa->ipa_io[2].h; 170 sc->sc_irq = ipa->ipa_irq[0].num; 171 sc->sc_recdrq = ipa->ipa_drq[0].num; 172 sc->sc_playdrq = ipa->ipa_drq[1].num; 173 174 sc->sc_ic = ipa->ipa_ic; 175 176 /* 177 * Create our DMA maps. 178 */ 179 if (sc->sc_playdrq != -1) { 180 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 181 sc->sc_playdrq); 182 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 183 aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n", 184 sc->sc_playdrq); 185 return; 186 } 187 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 188 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 189 aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n", 190 sc->sc_playdrq); 191 return; 192 } 193 } 194 if (sc->sc_recdrq != -1) { 195 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 196 sc->sc_recdrq); 197 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 198 aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n", 199 sc->sc_recdrq); 200 return; 201 } 202 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 203 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 204 aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n", 205 sc->sc_recdrq); 206 return; 207 } 208 } 209 210 /* 211 * isapnp is a child if isa, and we need isa for the DMA 212 * routines. 213 */ 214 sc->iw_cd = &guspnp_cd; 215 sc->iw_hw_if = &guspnp_hw_if; 216 217 printf("%s: %s %s", device_xname(&sc->sc_dev), ipa->ipa_devident, 218 ipa->ipa_devclass); 219 220 iwattach(sc); 221 } 222 223 static int 224 gus_isapnp_open(void *addr, int flags) 225 { 226 /* open hardware */ 227 struct iw_softc *sc; 228 229 sc = (struct iw_softc *)addr; 230 if (!sc) 231 return ENXIO; 232 233 return iwopen(sc,flags); 234 } 235 236 #endif /* NGUSPNP */ 237