gus_isapnp.c revision 1.39
1 /* $NetBSD: gus_isapnp.c,v 1.39 2019/03/16 12:09:58 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 1.39 2019/03/16 12:09:58 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_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 .open = gus_isapnp_open, 68 .close = iwclose, 69 .query_encoding = iw_query_encoding, 70 .set_params = iw_set_params, 71 .round_blocksize = iw_round_blocksize, 72 .commit_settings = iw_commit_settings, 73 .init_output = iw_init_output, 74 .init_input = iw_init_input, 75 .start_output = iw_start_output, 76 .start_input = iw_start_input, 77 .halt_output = iw_halt_output, 78 .halt_input = iw_halt_input, 79 .speaker_ctl = iw_speaker_ctl, 80 .getdev = iw_getdev, 81 .setfd = iw_setfd, 82 .set_port = iw_set_port, 83 .get_port = iw_get_port, 84 .query_devinfo = iw_query_devinfo, 85 .allocm = iw_malloc, 86 .freem = iw_free, 87 .round_buffersize = iw_round_buffersize, 88 .mappage = iw_mappage, 89 .get_props = iw_get_props, 90 .get_locks = iw_get_locks, 91 }; 92 93 CFATTACH_DECL_NEW(guspnp, sizeof(struct iw_softc), 94 gus_isapnp_match, gus_isapnp_attach, NULL, NULL); 95 96 extern struct cfdriver guspnp_cd; 97 98 /* 99 * Probe / attach routines. 100 */ 101 102 /* 103 * Probe for the guspnp hardware. 104 * 105 * The thing has 5 separate devices on the card 106 */ 107 108 static int gus_0 = 1; /* XXX what's this */ 109 110 int 111 gus_isapnp_match(device_t parent, cfdata_t match, void *aux) 112 { 113 int pri, variant; 114 115 pri = isapnp_devmatch(aux, &isapnp_gus_devinfo, &variant); 116 if (pri && variant > 0) 117 pri = 0; 118 return pri; 119 } 120 121 /* 122 * Attach hardware to driver, attach hardware driver to audio 123 * pseudo-device driver. 124 */ 125 void 126 gus_isapnp_attach(device_t parent, device_t self, void *aux) 127 { 128 struct iw_softc *sc; 129 struct isapnp_attach_args *ipa; 130 131 sc = device_private(self); 132 ipa = aux; 133 aprint_naive("\n"); 134 aprint_normal("\n"); 135 136 if (!gus_0) 137 return; 138 gus_0 = 0; 139 140 if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) { 141 aprint_error_dev(self, "error in region allocation\n"); 142 return; 143 } 144 145 sc->sc_dev = self; 146 sc->sc_iot = ipa->ipa_iot; 147 148 /* handle is the region base */ 149 150 sc->dir_h = 0; /* XXXXX */ 151 sc->p2xr = 0; 152 sc->p2xr_h = ipa->ipa_io[0].h; 153 sc->sc_p2xr_ic = ipa->ipa_ic; 154 sc->p3xr = 0; 155 sc->p3xr_h = ipa->ipa_io[1].h; 156 sc->sc_p3xr_ic = ipa->ipa_ic; 157 sc->codec_index = 0; 158 sc->codec_index_h = ipa->ipa_io[2].h; 159 sc->sc_irq = ipa->ipa_irq[0].num; 160 sc->sc_recdrq = ipa->ipa_drq[0].num; 161 sc->sc_playdrq = ipa->ipa_drq[1].num; 162 163 sc->sc_ic = ipa->ipa_ic; 164 165 /* 166 * Create our DMA maps. 167 */ 168 if (sc->sc_playdrq != -1) { 169 sc->sc_play_maxsize = isa_dmamaxsize(sc->sc_ic, 170 sc->sc_playdrq); 171 if (isa_drq_alloc(sc->sc_ic, sc->sc_playdrq) != 0) { 172 aprint_error_dev(self, "can't reserve drq %d\n", 173 sc->sc_playdrq); 174 return; 175 } 176 if (isa_dmamap_create(sc->sc_ic, sc->sc_playdrq, 177 sc->sc_play_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 178 aprint_error_dev(self, "can't create map for drq %d\n", 179 sc->sc_playdrq); 180 return; 181 } 182 } 183 if (sc->sc_recdrq != -1) { 184 sc->sc_rec_maxsize = isa_dmamaxsize(sc->sc_ic, 185 sc->sc_recdrq); 186 if (isa_drq_alloc(sc->sc_ic, sc->sc_recdrq) != 0) { 187 aprint_error_dev(self, "can't reserve drq %d\n", 188 sc->sc_recdrq); 189 return; 190 } 191 if (isa_dmamap_create(sc->sc_ic, sc->sc_recdrq, 192 sc->sc_rec_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW)) { 193 aprint_error_dev(self, "can't create map for drq %d\n", 194 sc->sc_recdrq); 195 return; 196 } 197 } 198 199 /* 200 * isapnp is a child if isa, and we need isa for the DMA 201 * routines. 202 */ 203 sc->iw_cd = &guspnp_cd; 204 sc->iw_hw_if = &guspnp_hw_if; 205 206 aprint_normal_dev(self, "%s %s", ipa->ipa_devident, ipa->ipa_devclass); 207 208 iwattach(sc); 209 } 210 211 static int 212 gus_isapnp_open(void *addr, int flags) 213 { 214 /* open hardware */ 215 struct iw_softc *sc; 216 217 sc = (struct iw_softc *)addr; 218 if (!sc) 219 return ENXIO; 220 221 return iwopen(sc,flags); 222 } 223 224 #endif /* NGUSPNP */ 225
Indexes created Wed Oct 01 19:09:53 GMT 2025