1 /* $NetBSD: sb.c,v 1.89 2011/11/23 23:07:32 jmcneill Exp $ */ 2 3 /* 4 * Copyright (c) 1991-1993 Regents of the University of California. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the Computer Systems 18 * Engineering Group at Lawrence Berkeley Laboratory. 19 * 4. Neither the name of the University nor of the Laboratory may be used 20 * to endorse or promote products derived from this software without 21 * specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 */ 36 37 #include <sys/cdefs.h> 38 __KERNEL_RCSID(0, "$NetBSD: sb.c,v 1.89 2011/11/23 23:07:32 jmcneill Exp $"); 39 40 #include "midi.h" 41 42 #include <sys/param.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/cpu.h> 51 #include <sys/intr.h> 52 #include <sys/bus.h> 53 54 #include <sys/audioio.h> 55 #include <dev/audio_if.h> 56 #include <dev/midi_if.h> 57 58 #include <dev/isa/isavar.h> 59 #include <dev/isa/isadmavar.h> 60 61 #include <dev/isa/sbreg.h> 62 #include <dev/isa/sbvar.h> 63 #include <dev/isa/sbdspvar.h> 64 65 #if NMPU > 0 66 const struct midi_hw_if sb_midi_hw_if = { 67 sbdsp_midi_open, 68 sbdsp_midi_close, 69 sbdsp_midi_output, 70 sbdsp_midi_getinfo, 71 0, /* ioctl */ 72 sbdsp_get_locks, 73 }; 74 #endif 75 76 int sb_getdev(void *, struct audio_device *); 77 78 /* 79 * Define our interface to the higher level audio driver. 80 */ 81 82 const struct audio_hw_if sb_hw_if = { 83 sbdsp_open, 84 sbdsp_close, 85 0, 86 sbdsp_query_encoding, 87 sbdsp_set_params, 88 sbdsp_round_blocksize, 89 0, 90 0, 91 0, 92 0, 93 0, 94 sbdsp_halt_output, 95 sbdsp_halt_input, 96 sbdsp_speaker_ctl, 97 sb_getdev, 98 0, 99 sbdsp_mixer_set_port, 100 sbdsp_mixer_get_port, 101 sbdsp_mixer_query_devinfo, 102 sb_malloc, 103 sb_free, 104 sb_round_buffersize, 105 sb_mappage, 106 sbdsp_get_props, 107 sbdsp_trigger_output, 108 sbdsp_trigger_input, 109 NULL, 110 sbdsp_get_locks, 111 }; 112 113 /* 114 * Probe / attach routines. 115 */ 116 117 118 int 119 sbmatch(struct sbdsp_softc *sc, int probing, cfdata_t match) 120 { 121 static const u_char drq_conf[8] = { 122 0x01, 0x02, -1, 0x08, -1, 0x20, 0x40, 0x80 123 }; 124 125 static const u_char irq_conf[11] = { 126 -1, -1, 0x01, -1, -1, 0x02, -1, 0x04, -1, 0x01, 0x08 127 }; 128 129 if (sbdsp_probe(sc, match) == 0) 130 return 0; 131 132 /* 133 * Cannot auto-discover DMA channel. 134 */ 135 if (ISSBPROCLASS(sc)) { 136 if (!SBP_DRQ_VALID(sc->sc_drq8)) { 137 aprint_error("%s: configured DMA chan %d invalid\n", 138 probing ? "sbmatch" : device_xname(sc->sc_dev), 139 sc->sc_drq8); 140 return 0; 141 } 142 } else { 143 if (!SB_DRQ_VALID(sc->sc_drq8)) { 144 aprint_error("%s: configured DMA chan %d invalid\n", 145 probing ? "sbmatch" : device_xname(sc->sc_dev), 146 sc->sc_drq8); 147 return 0; 148 } 149 } 150 151 if (0 <= sc->sc_drq16 && sc->sc_drq16 <= 3) 152 /* 153 * XXX Some ViBRA16 cards seem to have two 8 bit DMA 154 * channels. I've no clue how to use them, so ignore 155 * one of them for now. -- augustss@NetBSD.org 156 */ 157 sc->sc_drq16 = -1; 158 159 if (ISSB16CLASS(sc)) { 160 if (sc->sc_drq16 == -1) 161 sc->sc_drq16 = sc->sc_drq8; 162 if (!SB16_DRQ_VALID(sc->sc_drq16)) { 163 aprint_error("%s: configured DMA chan %d invalid\n", 164 probing ? "sbmatch" : device_xname(sc->sc_dev), 165 sc->sc_drq16); 166 return 0; 167 } 168 } else 169 sc->sc_drq16 = sc->sc_drq8; 170 171 if (ISSBPROCLASS(sc)) { 172 if (!SBP_IRQ_VALID(sc->sc_irq)) { 173 aprint_error("%s: configured irq %d invalid\n", 174 probing ? "sbmatch" : device_xname(sc->sc_dev), 175 sc->sc_irq); 176 return 0; 177 } 178 } else { 179 if (!SB_IRQ_VALID(sc->sc_irq)) { 180 aprint_error("%s: configured irq %d invalid\n", 181 probing ? "sbmatch" : device_xname(sc->sc_dev), 182 sc->sc_irq); 183 return 0; 184 } 185 } 186 187 if (ISSB16CLASS(sc) && !(sc->sc_quirks & SB_QUIRK_NO_INIT_DRQ)) { 188 int w, r; 189 if (sc->sc_irq >= __arraycount(irq_conf)) { 190 aprint_error("%s: Cannot handle irq %d\n", 191 probing ? "sbmatch" : device_xname(sc->sc_dev), 192 sc->sc_irq); 193 return 0; 194 } 195 if (sc->sc_drq16 >= __arraycount(drq_conf)) { 196 aprint_error("%s: Cannot handle drq16 %d\n", 197 probing ? "sbmatch" : device_xname(sc->sc_dev), 198 sc->sc_drq16); 199 return 0; 200 } 201 if (sc->sc_drq8 >= __arraycount(drq_conf)) { 202 aprint_error("%s: Cannot handle drq8 %d\n", 203 probing ? "sbmatch" : device_xname(sc->sc_dev), 204 sc->sc_drq8); 205 return 0; 206 } 207 #if 0 208 printf("%s: old drq conf %02x\n", device_xname(sc->sc_dev), 209 sbdsp_mix_read(sc, SBP_SET_DRQ)); 210 printf("%s: try drq conf %02x\n", device_xname(sc->sc_dev), 211 drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]); 212 #endif 213 w = drq_conf[sc->sc_drq16] | drq_conf[sc->sc_drq8]; 214 sbdsp_mix_write(sc, SBP_SET_DRQ, w); 215 r = sbdsp_mix_read(sc, SBP_SET_DRQ) & 0xeb; 216 if (r != w) { 217 aprint_error("%s: setting drq mask %02x failed, " 218 "got %02x\n", 219 probing ? "sbmatch" : device_xname(sc->sc_dev), w, 220 r); 221 return 0; 222 } 223 #if 0 224 printf("%s: new drq conf %02x\n", device_xname(sc->sc_dev), 225 sbdsp_mix_read(sc, SBP_SET_DRQ)); 226 #endif 227 228 #if 0 229 printf("%s: old irq conf %02x\n", device_xname(sc->sc_dev), 230 sbdsp_mix_read(sc, SBP_SET_IRQ)); 231 printf("%s: try irq conf %02x\n", device_xname(sc->sc_dev), 232 irq_conf[sc->sc_irq]); 233 #endif 234 w = irq_conf[sc->sc_irq]; 235 sbdsp_mix_write(sc, SBP_SET_IRQ, w); 236 r = sbdsp_mix_read(sc, SBP_SET_IRQ) & 0x0f; 237 if (r != w) { 238 aprint_error("%s: setting irq mask %02x failed, " 239 "got %02x\n", 240 probing ? "sbmatch" : device_xname(sc->sc_dev), w, 241 r); 242 return 0; 243 } 244 #if 0 245 printf("%s: new irq conf %02x\n", device_xname(sc->sc_dev), 246 sbdsp_mix_read(sc, SBP_SET_IRQ)); 247 #endif 248 } 249 250 return 1; 251 } 252 253 254 void 255 sbattach(struct sbdsp_softc *sc) 256 { 257 struct audio_attach_args arg; 258 259 sbdsp_attach(sc); 260 261 audio_attach_mi(&sb_hw_if, sc, sc->sc_dev); 262 263 #if NMPU > 0 264 switch(sc->sc_hasmpu) { 265 default: 266 case SBMPU_NONE: /* no mpu */ 267 break; 268 case SBMPU_INTERNAL: /* try to attach midi directly */ 269 midi_attach_mi(&sb_midi_hw_if, sc, sc->sc_dev); 270 break; 271 case SBMPU_EXTERNAL: /* search for mpu */ 272 arg.type = AUDIODEV_TYPE_MPU; 273 arg.hwif = 0; 274 arg.hdl = 0; 275 sc->sc_mpudev = config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint); 276 break; 277 } 278 #endif 279 if (sc->sc_model >= SB_20) { 280 arg.type = AUDIODEV_TYPE_OPL; 281 arg.hwif = 0; 282 arg.hdl = 0; 283 (void)config_found_ia(sc->sc_dev, "sbdsp", &arg, audioprint); 284 } 285 } 286 287 /* 288 * Various routines to interface to higher level audio driver 289 */ 290 291 int 292 sb_getdev(void *addr, struct audio_device *retp) 293 { 294 static const char * const names[] = SB_NAMES; 295 struct sbdsp_softc *sc; 296 const char *config; 297 298 sc = addr; 299 if (sc->sc_model == SB_JAZZ) 300 strlcpy(retp->name, "MV Jazz16", sizeof(retp->name)); 301 else 302 strlcpy(retp->name, "SoundBlaster", sizeof(retp->name)); 303 snprintf(retp->version, sizeof(retp->version), "%d.%02d", 304 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version)); 305 if (sc->sc_model < sizeof names / sizeof names[0]) 306 config = names[sc->sc_model]; 307 else 308 config = "??"; 309 strlcpy(retp->config, config, sizeof(retp->config)); 310 311 return 0; 312 } 313