gus_isapnp.c revision 1.40
1 /* $NetBSD: gus_isapnp.c,v 1.40 2019/05/08 13:40:18 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 1.40 2019/05/08 13:40:18 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 .round_blocksize = iw_round_blocksize, 70 .commit_settings = iw_commit_settings, 71 .init_output = iw_init_output, 72 .init_input = iw_init_input, 73 .start_output = iw_start_output, 74 .start_input = iw_start_input, 75 .halt_output = iw_halt_output, 76 .halt_input = iw_halt_input, 77 .speaker_ctl = iw_speaker_ctl, 78 .getdev = iw_getdev, 79 .set_port = iw_set_port, 80 .get_port = iw_get_port, 81 .query_devinfo = iw_query_devinfo, 82 .allocm = iw_malloc, 83 .freem = iw_free, 84 .round_buffersize = iw_round_buffersize, 85 .get_props = iw_get_props, 86 .get_locks = iw_get_locks, 87 }; 88 89 CFATTACH_DECL_NEW(guspnp, sizeof(struct iw_softc), 90 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 91 92 extern struct cfdriver guspnp_cd; 93 94 /* 95 * Probe / attach routines. 96 */ 97 98 /* 99 * Probe for the guspnp hardware. 100 * 101 * The thing has 5 separate devices on the card 102 */ 103 104 static int gus_0 = 1; /* XXX what's this */ 105 106 int 107 gus_isapnp_match(device_t parent, cfdata_t match, void *aux) 108 { 109 int pri, variant; 110 111 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 112 if (pri && variant > 0) 113 pri = 0; 114 return pri; 115 } 116 117 /* 118 * Attach hardware to driver, attach hardware driver to audio 119 * pseudo-device driver. 120 */ 121 void 122 gus_isapnp_attach(device_t parent, device_t self, void *aux) 123 { 124 struct iw_softc *sc; 125 struct isapnp_attach_args *ipa; 126 127 sc = device_private(self); 128 ipa = aux; 129 aprint_naive("\n"); 130 aprint_normal("\n"); 131 132 if (!gus_0) 133 return; 134 gus_0 = 0; 135 136 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 137 aprint_error_dev(self, "error in region allocation\n"); 138 return; 139 } 140 141 sc->sc_dev = self; 142 sc->sc_iot = ipa->ipa_iot; 143 144 /* handle is the region base */ 145 146 sc->dir_h = 0; /* XXXXX */ 147 sc->p2xr = 0; 148 sc->p2xr_h = ipa->ipa_io[0].h; 149 sc->sc_p2xr_ic = ipa->ipa_ic; 150 sc->p3xr = 0; 151 sc->p3xr_h = ipa->ipa_io[1].h; 152 sc->sc_p3xr_ic = ipa->ipa_ic; 153 sc->codec_index = 0; 154 sc->codec_index_h = ipa->ipa_io[2].h; 155 sc->sc_irq = ipa->ipa_irq[0].num; 156 sc->sc_recdrq = ipa->ipa_drq[0].num; 157 sc->sc_playdrq = ipa->ipa_drq[1].num; 158 159 sc->sc_ic = ipa->ipa_ic; 160 161 /* 162 * Create our DMA maps. 163 */ 164 if (sc->sc_playdrq != -1) { 165 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 166 sc->sc_playdrq); 167 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 168 aprint_error_dev(self, "can't reserve drq %d\n", 169 sc->sc_playdrq); 170 return; 171 } 172 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 173 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 174 aprint_error_dev(self, "can't create map for drq %d\n", 175 sc->sc_playdrq); 176 return; 177 } 178 } 179 if (sc->sc_recdrq != -1) { 180 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 181 sc->sc_recdrq); 182 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 183 aprint_error_dev(self, "can't reserve drq %d\n", 184 sc->sc_recdrq); 185 return; 186 } 187 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 188 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 189 aprint_error_dev(self, "can't create map for drq %d\n", 190 sc->sc_recdrq); 191 return; 192 } 193 } 194 195 /* 196 * isapnp is a child if isa, and we need isa for the DMA 197 * routines. 198 */ 199 sc->iw_cd = &guspnp_cd; 200 sc->iw_hw_if = &guspnp_hw_if; 201 202 aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass); 203 204 iwattach(sc); 205 } 206 207 static int 208 gus_isapnp_open(void *addr, int flags) 209 { 210 /* open hardware */ 211 struct iw_softc *sc; 212 213 sc = (struct iw_softc *)addr; 214 if (!sc) 215 return ENXIO; 216 217 return iwopen(sc,flags); 218 } 219 220 #endif /* NGUSPNP */ 221
Indexes created Thu Oct 02 14:10:14 GMT 2025