gus_isapnp.c revision 1.36
1 /* $NetBSD: gus_isapnp.c,v 1.36 2011/11/23 23:07:33 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 1997, 1999, 2008 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 1.36 2011/11/23 23:07:33 jmcneill Exp $"); 33 34 #include "guspnp.h" 35 #if NGUSPNP > 0 36 37 #include <sys/param.h> 38 #include <sys/systm.h> 39 #include <sys/errno.h> 40 #include <sys/ioctl.h> 41 #include <sys/syslog.h> 42 #include <sys/device.h> 43 #include <sys/proc.h> 44 #include <sys/bus.h> 45 #include <sys/audioio.h> 46 47 #include <dev/audio_if.h> 48 #include <dev/audiovar.h> 49 #include <dev/mulaw.h> 50 51 #include <dev/isa/isavar.h> 52 #include <dev/isa/isadmavar.h> 53 54 #include <dev/isapnp/isapnpreg.h> 55 #include <dev/isapnp/isapnpvar.h> 56 #include <dev/isapnp/isapnpdevs.h> 57 58 #include <dev/ic/interwavevar.h> 59 #include <dev/ic/interwavereg.h> 60 61 62 int gus_isapnp_match(device_t, cfdata_t, void *); 63 void gus_isapnp_attach(device_t, device_t, void *); 64 static int gus_isapnp_open(void *, int); 65 66 static const struct audio_hw_if guspnp_hw_if = { 67 gus_isapnp_open, 68 iwclose, 69 NULL, /* drain */ 70 iw_query_encoding, 71 iw_set_params, 72 iw_round_blocksize, 73 iw_commit_settings, 74 iw_init_output, 75 iw_init_input, 76 iw_start_output, 77 iw_start_input, 78 iw_halt_output, 79 iw_halt_input, 80 iw_speaker_ctl, 81 iw_getdev, 82 iw_setfd, 83 iw_set_port, 84 iw_get_port, 85 iw_query_devinfo, 86 iw_malloc, 87 iw_free, 88 iw_round_buffersize, 89 iw_mappage, 90 iw_get_props, 91 NULL, /* trigger_output */ 92 NULL, /* trigger_input */ 93 NULL, /* dev_ioctl */ 94 iw_get_locks, 95 }; 96 97 CFATTACH_DECL(guspnp, sizeof(struct iw_softc), 98 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 99 100 extern struct cfdriver guspnp_cd; 101 102 /* 103 * Probe / attach routines. 104 */ 105 106 /* 107 * Probe for the guspnp hardware. 108 * 109 * The thing has 5 separate devices on the card 110 */ 111 112 static int gus_0 = 1; /* XXX what's this */ 113 114 int 115 gus_isapnp_match(device_t parent, cfdata_t match, void *aux) 116 { 117 int pri, variant; 118 119 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 120 if (pri && variant > 0) 121 pri = 0; 122 return pri; 123 } 124 125 /* 126 * Attach hardware to driver, attach hardware driver to audio 127 * pseudo-device driver. 128 */ 129 void 130 gus_isapnp_attach(device_t parent, device_t self, void *aux) 131 { 132 struct iw_softc *sc; 133 struct isapnp_attach_args *ipa; 134 135 sc = device_private(self); 136 ipa = aux; 137 printf("\n"); 138 139 if (!gus_0) 140 return; 141 gus_0 = 0; 142 143 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 144 aprint_error_dev(&sc->sc_dev, "error in region allocation\n"); 145 return; 146 } 147 148 sc->sc_iot = ipa->ipa_iot; 149 150 /* handle is the region base */ 151 152 sc->dir_h = 0; /* XXXXX */ 153 sc->p2xr = 0; 154 sc->p2xr_h = ipa->ipa_io[0].h; 155 sc->sc_p2xr_ic = ipa->ipa_ic; 156 sc->p3xr = 0; 157 sc->p3xr_h = ipa->ipa_io[1].h; 158 sc->sc_p3xr_ic = ipa->ipa_ic; 159 sc->codec_index = 0; 160 sc->codec_index_h = ipa->ipa_io[2].h; 161 sc->sc_irq = ipa->ipa_irq[0].num; 162 sc->sc_recdrq = ipa->ipa_drq[0].num; 163 sc->sc_playdrq = ipa->ipa_drq[1].num; 164 165 sc->sc_ic = ipa->ipa_ic; 166 167 /* 168 * Create our DMA maps. 169 */ 170 if (sc->sc_playdrq != -1) { 171 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 172 sc->sc_playdrq); 173 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 174 aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n", 175 sc->sc_playdrq); 176 return; 177 } 178 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 179 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 180 aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n", 181 sc->sc_playdrq); 182 return; 183 } 184 } 185 if (sc->sc_recdrq != -1) { 186 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 187 sc->sc_recdrq); 188 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 189 aprint_error_dev(&sc->sc_dev, "can't reserve drq %d\n", 190 sc->sc_recdrq); 191 return; 192 } 193 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 194 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 195 aprint_error_dev(&sc->sc_dev, "can't create map for drq %d\n", 196 sc->sc_recdrq); 197 return; 198 } 199 } 200 201 /* 202 * isapnp is a child if isa, and we need isa for the DMA 203 * routines. 204 */ 205 sc->iw_cd = &guspnp_cd; 206 sc->iw_hw_if = &guspnp_hw_if; 207 208 printf("%s: %s %s", device_xname(&sc->sc_dev), ipa->ipa_devident, 209 ipa->ipa_devclass); 210 211 iwattach(sc); 212 } 213 214 static int 215 gus_isapnp_open(void *addr, int flags) 216 { 217 /* open hardware */ 218 struct iw_softc *sc; 219 220 sc = (struct iw_softc *)addr; 221 if (!sc) 222 return ENXIO; 223 224 return iwopen(sc,flags); 225 } 226 227 #endif /* NGUSPNP */ 228
Indexes created Thu Oct 02 10:09:58 GMT 2025