1 /* $NetBSD: gus_isapnp.c,v 1.41 2020/02/29 05:51:11 isaki 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 1.41 2020/02/29 05:51:11 isaki 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/audio_if.h> 48 49 #include <dev/isa/isavar.h> 50 #include <dev/isa/isadmavar.h> 51 52 #include <dev/isapnp/isapnpreg.h> 53 #include <dev/isapnp/isapnpvar.h> 54 #include <dev/isapnp/isapnpdevs.h> 55 56 #include <dev/ic/interwavevar.h> 57 #include <dev/ic/interwavereg.h> 58 59 60 int gus_isapnp_match(device_t, cfdata_t, void *); 61 void gus_isapnp_attach(device_t, device_t, void *); 62 static int gus_isapnp_open(void *, int); 63 64 static const struct audio_hw_if guspnp_hw_if = { 65 .open = gus_isapnp_open, 66 .close = iwclose, 67 .query_format = iw_query_format, 68 .set_format = iw_audio_set_format, 69 .commit_settings = iw_commit_settings, 70 .init_output = iw_init_output, 71 .init_input = iw_init_input, 72 .start_output = iw_start_output, 73 .start_input = iw_start_input, 74 .halt_output = iw_halt_output, 75 .halt_input = iw_halt_input, 76 .speaker_ctl = iw_speaker_ctl, 77 .getdev = iw_getdev, 78 .set_port = iw_set_port, 79 .get_port = iw_get_port, 80 .query_devinfo = iw_query_devinfo, 81 .allocm = iw_malloc, 82 .freem = iw_free, 83 .round_buffersize = iw_round_buffersize, 84 .get_props = iw_get_props, 85 .get_locks = iw_get_locks, 86 }; 87 88 CFATTACH_DECL_NEW(guspnp, sizeof(struct iw_softc), 89 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 90 91 extern struct cfdriver guspnp_cd; 92 93 /* 94 * Probe / attach routines. 95 */ 96 97 /* 98 * Probe for the guspnp hardware. 99 * 100 * The thing has 5 separate devices on the card 101 */ 102 103 static int gus_0 = 1; /* XXX what's this */ 104 105 int 106 gus_isapnp_match(device_t parent, cfdata_t match, void *aux) 107 { 108 int pri, variant; 109 110 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 111 if (pri && variant > 0) 112 pri = 0; 113 return pri; 114 } 115 116 /* 117 * Attach hardware to driver, attach hardware driver to audio 118 * pseudo-device driver. 119 */ 120 void 121 gus_isapnp_attach(device_t parent, device_t self, void *aux) 122 { 123 struct iw_softc *sc; 124 struct isapnp_attach_args *ipa; 125 126 sc = device_private(self); 127 ipa = aux; 128 aprint_naive("\n"); 129 aprint_normal("\n"); 130 131 if (!gus_0) 132 return; 133 gus_0 = 0; 134 135 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 136 aprint_error_dev(self, "error in region allocation\n"); 137 return; 138 } 139 140 sc->sc_dev = self; 141 sc->sc_iot = ipa->ipa_iot; 142 143 /* handle is the region base */ 144 145 sc->dir_h = 0; /* XXXXX */ 146 sc->p2xr = 0; 147 sc->p2xr_h = ipa->ipa_io[0].h; 148 sc->sc_p2xr_ic = ipa->ipa_ic; 149 sc->p3xr = 0; 150 sc->p3xr_h = ipa->ipa_io[1].h; 151 sc->sc_p3xr_ic = ipa->ipa_ic; 152 sc->codec_index = 0; 153 sc->codec_index_h = ipa->ipa_io[2].h; 154 sc->sc_irq = ipa->ipa_irq[0].num; 155 sc->sc_recdrq = ipa->ipa_drq[0].num; 156 sc->sc_playdrq = ipa->ipa_drq[1].num; 157 158 sc->sc_ic = ipa->ipa_ic; 159 160 /* 161 * Create our DMA maps. 162 */ 163 if (sc->sc_playdrq != -1) { 164 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 165 sc->sc_playdrq); 166 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 167 aprint_error_dev(self, "can't reserve drq %d\n", 168 sc->sc_playdrq); 169 return; 170 } 171 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 172 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 173 aprint_error_dev(self, "can't create map for drq %d\n", 174 sc->sc_playdrq); 175 return; 176 } 177 } 178 if (sc->sc_recdrq != -1) { 179 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 180 sc->sc_recdrq); 181 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 182 aprint_error_dev(self, "can't reserve drq %d\n", 183 sc->sc_recdrq); 184 return; 185 } 186 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 187 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 188 aprint_error_dev(self, "can't create map for drq %d\n", 189 sc->sc_recdrq); 190 return; 191 } 192 } 193 194 /* 195 * isapnp is a child if isa, and we need isa for the DMA 196 * routines. 197 */ 198 sc->iw_cd = &guspnp_cd; 199 sc->iw_hw_if = &guspnp_hw_if; 200 201 aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass); 202 203 iwattach(sc); 204 } 205 206 static int 207 gus_isapnp_open(void *addr, int flags) 208 { 209 /* open hardware */ 210 struct iw_softc *sc; 211 212 sc = (struct iw_softc *)addr; 213 if (!sc) 214 return ENXIO; 215 216 return iwopen(sc,flags); 217 } 218 219 #endif /* NGUSPNP */ 220
Indexes created Wed Oct 01 19:09:53 GMT 2025