sbdsp.c revision 1.105
1 /* $NetBSD: sbdsp.c,v 1.105 2000/06/26 04:56:21 simonb Exp $ */ 2 3 /*- 4 * Copyright (c) 1999 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Charles M. Hannum. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Copyright (c) 1991-1993 Regents of the University of California. 41 * All rights reserved. 42 * 43 * Redistribution and use in source and binary forms, with or without 44 * modification, are permitted provided that the following conditions 45 * are met: 46 * 1. Redistributions of source code must retain the above copyright 47 * notice, this list of conditions and the following disclaimer. 48 * 2. Redistributions in binary form must reproduce the above copyright 49 * notice, this list of conditions and the following disclaimer in the 50 * documentation and/or other materials provided with the distribution. 51 * 3. All advertising materials mentioning features or use of this software 52 * must display the following acknowledgement: 53 * This product includes software developed by the Computer Systems 54 * Engineering Group at Lawrence Berkeley Laboratory. 55 * 4. Neither the name of the University nor of the Laboratory may be used 56 * to endorse or promote products derived from this software without 57 * specific prior written permission. 58 * 59 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 60 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 61 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 62 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 63 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 64 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 65 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 66 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 67 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 68 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 69 * SUCH DAMAGE. 70 * 71 */ 72 73 /* 74 * SoundBlaster Pro code provided by John Kohl, based on lots of 75 * information he gleaned from Steve Haehnichen <steve (at) vigra.com>'s 76 * SBlast driver for 386BSD and DOS driver code from Daniel Sachs 77 * <sachs (at) meibm15.cen.uiuc.edu>. 78 * Lots of rewrites by Lennart Augustsson <augustss (at) cs.chalmers.se> 79 * with information from SB "Hardware Programming Guide" and the 80 * Linux drivers. 81 */ 82 83 #include "midi.h" 84 #include "mpu.h" 85 86 #include <sys/param.h> 87 #include <sys/systm.h> 88 #include <sys/kernel.h> 89 #include <sys/errno.h> 90 #include <sys/ioctl.h> 91 #include <sys/syslog.h> 92 #include <sys/device.h> 93 #include <sys/proc.h> 94 #include <sys/buf.h> 95 #include <vm/vm.h> 96 97 #include <machine/cpu.h> 98 #include <machine/intr.h> 99 #include <machine/bus.h> 100 101 #include <sys/audioio.h> 102 #include <dev/audio_if.h> 103 #include <dev/midi_if.h> 104 #include <dev/mulaw.h> 105 #include <dev/auconv.h> 106 107 #include <dev/isa/isavar.h> 108 #include <dev/isa/isadmavar.h> 109 110 #include <dev/isa/sbreg.h> 111 #include <dev/isa/sbdspvar.h> 112 113 114 #ifdef AUDIO_DEBUG 115 #define DPRINTF(x) if (sbdspdebug) printf x 116 #define DPRINTFN(n,x) if (sbdspdebug >= (n)) printf x 117 int sbdspdebug = 0; 118 #else 119 #define DPRINTF(x) 120 #define DPRINTFN(n,x) 121 #endif 122 123 #ifndef SBDSP_NPOLL 124 #define SBDSP_NPOLL 3000 125 #endif 126 127 struct { 128 int wdsp; 129 int rdsp; 130 int wmidi; 131 } sberr; 132 133 /* 134 * Time constant routines follow. See SBK, section 12. 135 * Although they don't come out and say it (in the docs), 136 * the card clearly uses a 1MHz countdown timer, as the 137 * low-speed formula (p. 12-4) is: 138 * tc = 256 - 10^6 / sr 139 * In high-speed mode, the constant is the upper byte of a 16-bit counter, 140 * and a 256MHz clock is used: 141 * tc = 65536 - 256 * 10^ 6 / sr 142 * Since we can only use the upper byte of the HS TC, the two formulae 143 * are equivalent. (Why didn't they say so?) E.g., 144 * (65536 - 256 * 10 ^ 6 / x) >> 8 = 256 - 10^6 / x 145 * 146 * The crossover point (from low- to high-speed modes) is different 147 * for the SBPRO and SB20. The table on p. 12-5 gives the following data: 148 * 149 * SBPRO SB20 150 * ----- -------- 151 * input ls min 4 KHz 4 KHz 152 * input ls max 23 KHz 13 KHz 153 * input hs max 44.1 KHz 15 KHz 154 * output ls min 4 KHz 4 KHz 155 * output ls max 23 KHz 23 KHz 156 * output hs max 44.1 KHz 44.1 KHz 157 */ 158 /* XXX Should we round the tc? 159 #define SB_RATE_TO_TC(x) (((65536 - 256 * 1000000 / (x)) + 128) >> 8) 160 */ 161 #define SB_RATE_TO_TC(x) (256 - 1000000 / (x)) 162 #define SB_TC_TO_RATE(tc) (1000000 / (256 - (tc))) 163 164 struct sbmode { 165 short model; 166 u_char channels; 167 u_char precision; 168 u_short lowrate, highrate; 169 u_char cmd; 170 u_char halt, cont; 171 u_char cmdchan; 172 }; 173 static struct sbmode sbpmodes[] = { 174 { SB_1, 1, 8, 4000,22727,SB_DSP_WDMA ,SB_DSP_HALT ,SB_DSP_CONT }, 175 { SB_20, 1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT }, 176 { SB_2x, 1, 8,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT }, 177 { SB_2x, 1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT }, 178 { SB_PRO, 1, 8,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT }, 179 { SB_PRO, 1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT }, 180 { SB_PRO, 2, 8,11025,22727,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT }, 181 /* Yes, we write the record mode to set 16-bit playback mode. weird, huh? */ 182 { SB_JAZZ,1, 8,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 183 { SB_JAZZ,1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 184 { SB_JAZZ,2, 8,11025,22727,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_STEREO }, 185 { SB_JAZZ,1,16,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 186 { SB_JAZZ,1,16, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 187 { SB_JAZZ,2,16,11025,22727,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_STEREO }, 188 { SB_16, 1, 8, 5000,45000,SB_DSP16_WDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT }, 189 { SB_16, 2, 8, 5000,45000,SB_DSP16_WDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT }, 190 #define PLAY16 15 /* must be the index of the next entry in the table */ 191 { SB_16, 1,16, 5000,45000,SB_DSP16_WDMA_16,SB_DSP16_HALT,SB_DSP16_CONT}, 192 { SB_16, 2,16, 5000,45000,SB_DSP16_WDMA_16,SB_DSP16_HALT,SB_DSP16_CONT}, 193 { -1 } 194 }; 195 static struct sbmode sbrmodes[] = { 196 { SB_1, 1, 8, 4000,12987,SB_DSP_RDMA ,SB_DSP_HALT ,SB_DSP_CONT }, 197 { SB_20, 1, 8, 4000,12987,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT }, 198 { SB_2x, 1, 8,12987,14925,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT }, 199 { SB_2x, 1, 8, 4000,12987,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT }, 200 { SB_PRO, 1, 8,22727,45454,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 201 { SB_PRO, 1, 8, 4000,22727,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 202 { SB_PRO, 2, 8,11025,22727,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_STEREO }, 203 { SB_JAZZ,1, 8,22727,45454,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 204 { SB_JAZZ,1, 8, 4000,22727,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 205 { SB_JAZZ,2, 8,11025,22727,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_STEREO }, 206 { SB_JAZZ,1,16,22727,45454,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 207 { SB_JAZZ,1,16, 4000,22727,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 208 { SB_JAZZ,2,16,11025,22727,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_STEREO }, 209 { SB_16, 1, 8, 5000,45000,SB_DSP16_RDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT }, 210 { SB_16, 2, 8, 5000,45000,SB_DSP16_RDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT }, 211 { SB_16, 1,16, 5000,45000,SB_DSP16_RDMA_16,SB_DSP16_HALT,SB_DSP16_CONT}, 212 { SB_16, 2,16, 5000,45000,SB_DSP16_RDMA_16,SB_DSP16_HALT,SB_DSP16_CONT}, 213 { -1 } 214 }; 215 216 void sbversion __P((struct sbdsp_softc *)); 217 void sbdsp_jazz16_probe __P((struct sbdsp_softc *)); 218 void sbdsp_set_mixer_gain __P((struct sbdsp_softc *sc, int port)); 219 void sbdsp_pause __P((struct sbdsp_softc *)); 220 int sbdsp_set_timeconst __P((struct sbdsp_softc *, int)); 221 int sbdsp16_set_rate __P((struct sbdsp_softc *, int, int)); 222 int sbdsp_set_in_ports __P((struct sbdsp_softc *, int)); 223 void sbdsp_set_ifilter __P((void *, int)); 224 int sbdsp_get_ifilter __P((void *)); 225 226 int sbdsp_block_output __P((void *)); 227 int sbdsp_block_input __P((void *)); 228 static int sbdsp_adjust __P((int, int)); 229 230 int sbdsp_midi_intr __P((void *)); 231 232 #ifdef AUDIO_DEBUG 233 void sb_printsc __P((struct sbdsp_softc *)); 234 235 void 236 sb_printsc(sc) 237 struct sbdsp_softc *sc; 238 { 239 int i; 240 241 printf("open %d dmachan %d/%d %d/%d iobase 0x%x irq %d\n", 242 (int)sc->sc_open, sc->sc_i.run, sc->sc_o.run, 243 sc->sc_drq8, sc->sc_drq16, 244 sc->sc_iobase, sc->sc_irq); 245 printf("irate %d itc %x orate %d otc %x\n", 246 sc->sc_i.rate, sc->sc_i.tc, 247 sc->sc_o.rate, sc->sc_o.tc); 248 printf("spkron %u nintr %lu\n", 249 sc->spkr_state, sc->sc_interrupts); 250 printf("intr8 %p intr16 %p\n", 251 sc->sc_intr8, sc->sc_intr16); 252 printf("gain:"); 253 for (i = 0; i < SB_NDEVS; i++) 254 printf(" %u,%u", sc->gain[i][SB_LEFT], sc->gain[i][SB_RIGHT]); 255 printf("\n"); 256 } 257 #endif /* AUDIO_DEBUG */ 258 259 /* 260 * Probe / attach routines. 261 */ 262 263 /* 264 * Probe for the soundblaster hardware. 265 */ 266 int 267 sbdsp_probe(sc) 268 struct sbdsp_softc *sc; 269 { 270 271 if (sbdsp_reset(sc) < 0) { 272 DPRINTF(("sbdsp: couldn't reset card\n")); 273 return 0; 274 } 275 /* if flags set, go and probe the jazz16 stuff */ 276 if (sc->sc_dev.dv_cfdata->cf_flags & 1) 277 sbdsp_jazz16_probe(sc); 278 else 279 sbversion(sc); 280 if (sc->sc_model == SB_UNK) { 281 /* Unknown SB model found. */ 282 DPRINTF(("sbdsp: unknown SB model found\n")); 283 return 0; 284 } 285 return 1; 286 } 287 288 /* 289 * Try add-on stuff for Jazz16. 290 */ 291 void 292 sbdsp_jazz16_probe(sc) 293 struct sbdsp_softc *sc; 294 { 295 static u_char jazz16_irq_conf[16] = { 296 -1, -1, 0x02, 0x03, 297 -1, 0x01, -1, 0x04, 298 -1, 0x02, 0x05, -1, 299 -1, -1, -1, 0x06}; 300 static u_char jazz16_drq_conf[8] = { 301 -1, 0x01, -1, 0x02, 302 -1, 0x03, -1, 0x04}; 303 304 bus_space_tag_t iot = sc->sc_iot; 305 bus_space_handle_t ioh; 306 307 sbversion(sc); 308 309 DPRINTF(("jazz16 probe\n")); 310 311 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) { 312 DPRINTF(("bus map failed\n")); 313 return; 314 } 315 316 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 317 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) { 318 DPRINTF(("drq/irq check failed\n")); 319 goto done; /* give up, we can't do it. */ 320 } 321 322 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 323 delay(10000); /* delay 10 ms */ 324 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 325 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 326 327 if (sbdsp_reset(sc) < 0) { 328 DPRINTF(("sbdsp_reset check failed\n")); 329 goto done; /* XXX? what else could we do? */ 330 } 331 332 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) { 333 DPRINTF(("read16 setup failed\n")); 334 goto done; 335 } 336 337 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) { 338 DPRINTF(("read16 failed\n")); 339 goto done; 340 } 341 342 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 343 sc->sc_drq16 = sc->sc_drq8; 344 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 345 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 346 jazz16_drq_conf[sc->sc_drq8]) || 347 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) { 348 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n")); 349 } else { 350 DPRINTF(("jazz16 detected!\n")); 351 sc->sc_model = SB_JAZZ; 352 sc->sc_mixer_model = SBM_CT1345; /* XXX really? */ 353 } 354 355 done: 356 bus_space_unmap(iot, ioh, 1); 357 } 358 359 /* 360 * Attach hardware to driver, attach hardware driver to audio 361 * pseudo-device driver . 362 */ 363 void 364 sbdsp_attach(sc) 365 struct sbdsp_softc *sc; 366 { 367 struct audio_params pparams, rparams; 368 int i; 369 u_int v; 370 371 pparams = audio_default; 372 rparams = audio_default; 373 sbdsp_set_params(sc, AUMODE_RECORD|AUMODE_PLAY, 0, &pparams, &rparams); 374 375 sbdsp_set_in_ports(sc, 1 << SB_MIC_VOL); 376 377 if (sc->sc_mixer_model != SBM_NONE) { 378 /* Reset the mixer.*/ 379 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 380 /* And set our own default values */ 381 for (i = 0; i < SB_NDEVS; i++) { 382 switch(i) { 383 case SB_MIC_VOL: 384 case SB_LINE_IN_VOL: 385 v = 0; 386 break; 387 case SB_BASS: 388 case SB_TREBLE: 389 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2); 390 break; 391 case SB_CD_IN_MUTE: 392 case SB_MIC_IN_MUTE: 393 case SB_LINE_IN_MUTE: 394 case SB_MIDI_IN_MUTE: 395 case SB_CD_SWAP: 396 case SB_MIC_SWAP: 397 case SB_LINE_SWAP: 398 case SB_MIDI_SWAP: 399 case SB_CD_OUT_MUTE: 400 case SB_MIC_OUT_MUTE: 401 case SB_LINE_OUT_MUTE: 402 v = 0; 403 break; 404 default: 405 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2); 406 break; 407 } 408 sc->gain[i][SB_LEFT] = sc->gain[i][SB_RIGHT] = v; 409 sbdsp_set_mixer_gain(sc, i); 410 } 411 sc->in_filter = 0; /* no filters turned on, please */ 412 } 413 414 printf(": dsp v%d.%02d%s\n", 415 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version), 416 sc->sc_model == SB_JAZZ ? ": <Jazz16>" : ""); 417 418 sc->sc_fullduplex = ISSB16CLASS(sc) && 419 sc->sc_drq8 != -1 && sc->sc_drq16 != -1 && 420 sc->sc_drq8 != sc->sc_drq16; 421 422 if (sc->sc_drq8 != -1) 423 sc->sc_drq8_maxsize = isa_dmamaxsize(sc->sc_ic, 424 sc->sc_drq8); 425 426 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) 427 sc->sc_drq16_maxsize = isa_dmamaxsize(sc->sc_ic, 428 sc->sc_drq16); 429 } 430 431 void 432 sbdsp_mix_write(sc, mixerport, val) 433 struct sbdsp_softc *sc; 434 int mixerport; 435 int val; 436 { 437 bus_space_tag_t iot = sc->sc_iot; 438 bus_space_handle_t ioh = sc->sc_ioh; 439 int s; 440 441 s = splaudio(); 442 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 443 delay(20); 444 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 445 delay(30); 446 splx(s); 447 } 448 449 int 450 sbdsp_mix_read(sc, mixerport) 451 struct sbdsp_softc *sc; 452 int mixerport; 453 { 454 bus_space_tag_t iot = sc->sc_iot; 455 bus_space_handle_t ioh = sc->sc_ioh; 456 int val; 457 int s; 458 459 s = splaudio(); 460 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 461 delay(20); 462 val = bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 463 delay(30); 464 splx(s); 465 return val; 466 } 467 468 /* 469 * Various routines to interface to higher level audio driver 470 */ 471 472 int 473 sbdsp_query_encoding(addr, fp) 474 void *addr; 475 struct audio_encoding *fp; 476 { 477 struct sbdsp_softc *sc = addr; 478 int emul; 479 480 emul = ISSB16CLASS(sc) ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 481 482 switch (fp->index) { 483 case 0: 484 strcpy(fp->name, AudioEulinear); 485 fp->encoding = AUDIO_ENCODING_ULINEAR; 486 fp->precision = 8; 487 fp->flags = 0; 488 return 0; 489 case 1: 490 strcpy(fp->name, AudioEmulaw); 491 fp->encoding = AUDIO_ENCODING_ULAW; 492 fp->precision = 8; 493 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 494 return 0; 495 case 2: 496 strcpy(fp->name, AudioEalaw); 497 fp->encoding = AUDIO_ENCODING_ALAW; 498 fp->precision = 8; 499 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 500 return 0; 501 case 3: 502 strcpy(fp->name, AudioEslinear); 503 fp->encoding = AUDIO_ENCODING_SLINEAR; 504 fp->precision = 8; 505 fp->flags = emul; 506 return 0; 507 } 508 if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ) 509 return EINVAL; 510 511 switch(fp->index) { 512 case 4: 513 strcpy(fp->name, AudioEslinear_le); 514 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 515 fp->precision = 16; 516 fp->flags = 0; 517 return 0; 518 case 5: 519 strcpy(fp->name, AudioEulinear_le); 520 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 521 fp->precision = 16; 522 fp->flags = emul; 523 return 0; 524 case 6: 525 strcpy(fp->name, AudioEslinear_be); 526 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 527 fp->precision = 16; 528 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 529 return 0; 530 case 7: 531 strcpy(fp->name, AudioEulinear_be); 532 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 533 fp->precision = 16; 534 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 535 return 0; 536 default: 537 return EINVAL; 538 } 539 return 0; 540 } 541 542 int 543 sbdsp_set_params(addr, setmode, usemode, play, rec) 544 void *addr; 545 int setmode, usemode; 546 struct audio_params *play, *rec; 547 { 548 struct sbdsp_softc *sc = addr; 549 struct sbmode *m; 550 u_int rate, tc, bmode; 551 void (*swcode) __P((void *, u_char *buf, int cnt)); 552 int factor; 553 int model; 554 int chan; 555 struct audio_params *p; 556 int mode; 557 558 if (sc->sc_open == SB_OPEN_MIDI) 559 return EBUSY; 560 561 /* Later models work like SB16. */ 562 model = min(sc->sc_model, SB_16); 563 564 /* 565 * Prior to the SB16, we have only one clock, so make the sample 566 * rates match. 567 */ 568 if (!ISSB16CLASS(sc) && 569 play->sample_rate != rec->sample_rate && 570 usemode == (AUMODE_PLAY | AUMODE_RECORD)) { 571 if (setmode == AUMODE_PLAY) { 572 rec->sample_rate = play->sample_rate; 573 setmode |= AUMODE_RECORD; 574 } else if (setmode == AUMODE_RECORD) { 575 play->sample_rate = rec->sample_rate; 576 setmode |= AUMODE_PLAY; 577 } else 578 return (EINVAL); 579 } 580 581 /* Set first record info, then play info */ 582 for (mode = AUMODE_RECORD; mode != -1; 583 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 584 if ((setmode & mode) == 0) 585 continue; 586 587 p = mode == AUMODE_PLAY ? play : rec; 588 /* Locate proper commands */ 589 for (m = mode == AUMODE_PLAY ? sbpmodes : sbrmodes; 590 m->model != -1; m++) { 591 if (model == m->model && 592 p->channels == m->channels && 593 p->precision == m->precision && 594 p->sample_rate >= m->lowrate && 595 p->sample_rate <= m->highrate) 596 break; 597 } 598 if (m->model == -1) 599 return EINVAL; 600 rate = p->sample_rate; 601 swcode = 0; 602 factor = 1; 603 tc = 1; 604 bmode = -1; 605 if (model == SB_16) { 606 switch (p->encoding) { 607 case AUDIO_ENCODING_SLINEAR_BE: 608 if (p->precision == 16) 609 swcode = swap_bytes; 610 /* fall into */ 611 case AUDIO_ENCODING_SLINEAR_LE: 612 bmode = SB_BMODE_SIGNED; 613 break; 614 case AUDIO_ENCODING_ULINEAR_BE: 615 if (p->precision == 16) 616 swcode = swap_bytes; 617 /* fall into */ 618 case AUDIO_ENCODING_ULINEAR_LE: 619 bmode = SB_BMODE_UNSIGNED; 620 break; 621 case AUDIO_ENCODING_ULAW: 622 if (mode == AUMODE_PLAY) { 623 swcode = mulaw_to_ulinear16_le; 624 factor = 2; 625 m = &sbpmodes[PLAY16]; 626 } else 627 swcode = ulinear8_to_mulaw; 628 bmode = SB_BMODE_UNSIGNED; 629 break; 630 case AUDIO_ENCODING_ALAW: 631 if (mode == AUMODE_PLAY) { 632 swcode = alaw_to_ulinear16_le; 633 factor = 2; 634 m = &sbpmodes[PLAY16]; 635 } else 636 swcode = ulinear8_to_alaw; 637 bmode = SB_BMODE_UNSIGNED; 638 break; 639 default: 640 return EINVAL; 641 } 642 if (p->channels == 2) 643 bmode |= SB_BMODE_STEREO; 644 } else if (m->model == SB_JAZZ && m->precision == 16) { 645 switch (p->encoding) { 646 case AUDIO_ENCODING_SLINEAR_LE: 647 break; 648 case AUDIO_ENCODING_ULINEAR_LE: 649 swcode = change_sign16_le; 650 break; 651 case AUDIO_ENCODING_SLINEAR_BE: 652 swcode = swap_bytes; 653 break; 654 case AUDIO_ENCODING_ULINEAR_BE: 655 swcode = mode == AUMODE_PLAY ? 656 swap_bytes_change_sign16_le : 657 change_sign16_swap_bytes_le; 658 break; 659 case AUDIO_ENCODING_ULAW: 660 swcode = mode == AUMODE_PLAY ? 661 mulaw_to_ulinear8 : ulinear8_to_mulaw; 662 break; 663 case AUDIO_ENCODING_ALAW: 664 swcode = mode == AUMODE_PLAY ? 665 alaw_to_ulinear8 : ulinear8_to_alaw; 666 break; 667 default: 668 return EINVAL; 669 } 670 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 671 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 672 } else { 673 switch (p->encoding) { 674 case AUDIO_ENCODING_SLINEAR_BE: 675 case AUDIO_ENCODING_SLINEAR_LE: 676 swcode = change_sign8; 677 break; 678 case AUDIO_ENCODING_ULINEAR_BE: 679 case AUDIO_ENCODING_ULINEAR_LE: 680 break; 681 case AUDIO_ENCODING_ULAW: 682 swcode = mode == AUMODE_PLAY ? 683 mulaw_to_ulinear8 : ulinear8_to_mulaw; 684 break; 685 case AUDIO_ENCODING_ALAW: 686 swcode = mode == AUMODE_PLAY ? 687 alaw_to_ulinear8 : ulinear8_to_alaw; 688 break; 689 default: 690 return EINVAL; 691 } 692 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 693 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 694 } 695 696 chan = m->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 697 if (mode == AUMODE_PLAY) { 698 sc->sc_o.rate = rate; 699 sc->sc_o.tc = tc; 700 sc->sc_o.modep = m; 701 sc->sc_o.bmode = bmode; 702 sc->sc_o.dmachan = chan; 703 } else { 704 sc->sc_i.rate = rate; 705 sc->sc_i.tc = tc; 706 sc->sc_i.modep = m; 707 sc->sc_i.bmode = bmode; 708 sc->sc_i.dmachan = chan; 709 } 710 711 p->sw_code = swcode; 712 p->factor = factor; 713 DPRINTF(("sbdsp_set_params: model=%d, mode=%d, rate=%ld, prec=%d, chan=%d, enc=%d -> tc=%02x, cmd=%02x, bmode=%02x, cmdchan=%02x, swcode=%p, factor=%d\n", 714 sc->sc_model, mode, p->sample_rate, p->precision, p->channels, 715 p->encoding, tc, m->cmd, bmode, m->cmdchan, swcode, factor)); 716 717 } 718 719 if (sc->sc_fullduplex && 720 usemode == (AUMODE_PLAY | AUMODE_RECORD) && 721 sc->sc_i.dmachan == sc->sc_o.dmachan) { 722 DPRINTF(("sbdsp_set_params: fd=%d, usemode=%d, idma=%d, odma=%d\n", sc->sc_fullduplex, usemode, sc->sc_i.dmachan, sc->sc_o.dmachan)); 723 if (sc->sc_o.dmachan == sc->sc_drq8) { 724 /* Use 16 bit DMA for playing by expanding the samples. */ 725 play->sw_code = linear8_to_linear16_le; 726 play->factor = 2; 727 sc->sc_o.modep = &sbpmodes[PLAY16]; 728 sc->sc_o.dmachan = sc->sc_drq16; 729 } else { 730 return EINVAL; 731 } 732 } 733 DPRINTF(("sbdsp_set_params ichan=%d, ochan=%d\n", 734 sc->sc_i.dmachan, sc->sc_o.dmachan)); 735 736 return (0); 737 } 738 739 void 740 sbdsp_set_ifilter(addr, which) 741 void *addr; 742 int which; 743 { 744 struct sbdsp_softc *sc = addr; 745 int mixval; 746 747 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 748 switch (which) { 749 case 0: 750 mixval |= SBP_FILTER_OFF; 751 break; 752 case SB_TREBLE: 753 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 754 break; 755 case SB_BASS: 756 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 757 break; 758 default: 759 return; 760 } 761 sc->in_filter = mixval & SBP_IFILTER_MASK; 762 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 763 } 764 765 int 766 sbdsp_get_ifilter(addr) 767 void *addr; 768 { 769 struct sbdsp_softc *sc = addr; 770 771 sc->in_filter = 772 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 773 switch (sc->in_filter) { 774 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 775 return SB_TREBLE; 776 case SBP_FILTER_ON|SBP_IFILTER_LOW: 777 return SB_BASS; 778 default: 779 return 0; 780 } 781 } 782 783 int 784 sbdsp_set_in_ports(sc, mask) 785 struct sbdsp_softc *sc; 786 int mask; 787 { 788 int bitsl, bitsr; 789 int sbport; 790 791 if (sc->sc_open == SB_OPEN_MIDI) 792 return EBUSY; 793 794 DPRINTF(("sbdsp_set_in_ports: model=%d, mask=%x\n", 795 sc->sc_mixer_model, mask)); 796 797 switch(sc->sc_mixer_model) { 798 case SBM_NONE: 799 return EINVAL; 800 case SBM_CT1335: 801 if (mask != (1 << SB_MIC_VOL)) 802 return EINVAL; 803 break; 804 case SBM_CT1345: 805 switch (mask) { 806 case 1 << SB_MIC_VOL: 807 sbport = SBP_FROM_MIC; 808 break; 809 case 1 << SB_LINE_IN_VOL: 810 sbport = SBP_FROM_LINE; 811 break; 812 case 1 << SB_CD_VOL: 813 sbport = SBP_FROM_CD; 814 break; 815 default: 816 return (EINVAL); 817 } 818 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, sbport | sc->in_filter); 819 break; 820 case SBM_CT1XX5: 821 case SBM_CT1745: 822 if (mask & ~((1<<SB_MIDI_VOL) | (1<<SB_LINE_IN_VOL) | 823 (1<<SB_CD_VOL) | (1<<SB_MIC_VOL))) 824 return EINVAL; 825 bitsr = 0; 826 if (mask & (1<<SB_MIDI_VOL)) bitsr |= SBP_MIDI_SRC_R; 827 if (mask & (1<<SB_LINE_IN_VOL)) bitsr |= SBP_LINE_SRC_R; 828 if (mask & (1<<SB_CD_VOL)) bitsr |= SBP_CD_SRC_R; 829 bitsl = SB_SRC_R_TO_L(bitsr); 830 if (mask & (1<<SB_MIC_VOL)) { 831 bitsl |= SBP_MIC_SRC; 832 bitsr |= SBP_MIC_SRC; 833 } 834 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_L, bitsl); 835 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_R, bitsr); 836 break; 837 } 838 sc->in_mask = mask; 839 840 return 0; 841 } 842 843 int 844 sbdsp_speaker_ctl(addr, newstate) 845 void *addr; 846 int newstate; 847 { 848 struct sbdsp_softc *sc = addr; 849 850 if (sc->sc_open == SB_OPEN_MIDI) 851 return EBUSY; 852 853 if ((newstate == SPKR_ON) && 854 (sc->spkr_state == SPKR_OFF)) { 855 sbdsp_spkron(sc); 856 sc->spkr_state = SPKR_ON; 857 } 858 if ((newstate == SPKR_OFF) && 859 (sc->spkr_state == SPKR_ON)) { 860 sbdsp_spkroff(sc); 861 sc->spkr_state = SPKR_OFF; 862 } 863 return 0; 864 } 865 866 int 867 sbdsp_round_blocksize(addr, blk) 868 void *addr; 869 int blk; 870 { 871 return blk & -4; /* round to biggest sample size */ 872 } 873 874 int 875 sbdsp_open(addr, flags) 876 void *addr; 877 int flags; 878 { 879 struct sbdsp_softc *sc = addr; 880 int error, state; 881 882 DPRINTF(("sbdsp_open: sc=%p\n", sc)); 883 884 if (sc->sc_open != SB_CLOSED) 885 return (EBUSY); 886 sc->sc_open = SB_OPEN_AUDIO; 887 sc->sc_openflags = flags; 888 state = 0; 889 890 if (sc->sc_drq8 != -1) { 891 error = isa_dmamap_create(sc->sc_ic, sc->sc_drq8, 892 sc->sc_drq8_maxsize, BUS_DMA_NOWAIT); 893 if (error) { 894 printf("%s: can't create map for drq %d\n", 895 sc->sc_dev.dv_xname, sc->sc_drq8); 896 goto bad; 897 } 898 state |= 1; 899 } 900 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) { 901 error = isa_dmamap_create(sc->sc_ic, sc->sc_drq16, 902 sc->sc_drq16_maxsize, BUS_DMA_NOWAIT); 903 if (error) { 904 printf("%s: can't create map for drq %d\n", 905 sc->sc_dev.dv_xname, sc->sc_drq16); 906 goto bad; 907 } 908 state |= 2; 909 } 910 911 if (sbdsp_reset(sc) != 0) { 912 error = EIO; 913 goto bad; 914 } 915 916 if (ISSBPRO(sc) && 917 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 918 DPRINTF(("sbdsp_open: can't set mono mode\n")); 919 /* we'll readjust when it's time for DMA. */ 920 } 921 922 /* 923 * Leave most things as they were; users must change things if 924 * the previous process didn't leave it they way they wanted. 925 * Looked at another way, it's easy to set up a configuration 926 * in one program and leave it for another to inherit. 927 */ 928 DPRINTF(("sbdsp_open: opened\n")); 929 930 return (0); 931 932 bad: 933 if (state & 1) 934 isa_dmamap_destroy(sc->sc_ic, sc->sc_drq8); 935 if (state & 2) 936 isa_dmamap_destroy(sc->sc_ic, sc->sc_drq16); 937 938 sc->sc_open = SB_CLOSED; 939 return (error); 940 } 941 942 void 943 sbdsp_close(addr) 944 void *addr; 945 { 946 struct sbdsp_softc *sc = addr; 947 948 DPRINTF(("sbdsp_close: sc=%p\n", sc)); 949 950 sbdsp_spkroff(sc); 951 sc->spkr_state = SPKR_OFF; 952 953 sbdsp_halt_output(sc); 954 sbdsp_halt_input(sc); 955 956 sc->sc_intr8 = 0; 957 sc->sc_intr16 = 0; 958 959 if (sc->sc_drq8 != -1) 960 isa_dmamap_destroy(sc->sc_ic, sc->sc_drq8); 961 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) 962 isa_dmamap_destroy(sc->sc_ic, sc->sc_drq16); 963 964 sc->sc_open = SB_CLOSED; 965 DPRINTF(("sbdsp_close: closed\n")); 966 } 967 968 /* 969 * Lower-level routines 970 */ 971 972 /* 973 * Reset the card. 974 * Return non-zero if the card isn't detected. 975 */ 976 int 977 sbdsp_reset(sc) 978 struct sbdsp_softc *sc; 979 { 980 bus_space_tag_t iot = sc->sc_iot; 981 bus_space_handle_t ioh = sc->sc_ioh; 982 983 sc->sc_intr8 = 0; 984 sc->sc_intr16 = 0; 985 sc->sc_intrm = 0; 986 987 /* 988 * See SBK, section 11.3. 989 * We pulse a reset signal into the card. 990 * Gee, what a brilliant hardware design. 991 */ 992 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 993 delay(10); 994 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 995 delay(30); 996 if (sbdsp_rdsp(sc) != SB_MAGIC) 997 return -1; 998 999 return 0; 1000 } 1001 1002 /* 1003 * Write a byte to the dsp. 1004 * We are at the mercy of the card as we use a 1005 * polling loop and wait until it can take the byte. 1006 */ 1007 int 1008 sbdsp_wdsp(sc, v) 1009 struct sbdsp_softc *sc; 1010 int v; 1011 { 1012 bus_space_tag_t iot = sc->sc_iot; 1013 bus_space_handle_t ioh = sc->sc_ioh; 1014 int i; 1015 u_char x; 1016 1017 for (i = SBDSP_NPOLL; --i >= 0; ) { 1018 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 1019 delay(10); 1020 if ((x & SB_DSP_BUSY) == 0) { 1021 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 1022 delay(10); 1023 return 0; 1024 } 1025 } 1026 ++sberr.wdsp; 1027 return -1; 1028 } 1029 1030 /* 1031 * Read a byte from the DSP, using polling. 1032 */ 1033 int 1034 sbdsp_rdsp(sc) 1035 struct sbdsp_softc *sc; 1036 { 1037 bus_space_tag_t iot = sc->sc_iot; 1038 bus_space_handle_t ioh = sc->sc_ioh; 1039 int i; 1040 u_char x; 1041 1042 for (i = SBDSP_NPOLL; --i >= 0; ) { 1043 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 1044 delay(10); 1045 if (x & SB_DSP_READY) { 1046 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 1047 delay(10); 1048 return x; 1049 } 1050 } 1051 ++sberr.rdsp; 1052 return -1; 1053 } 1054 1055 void 1056 sbdsp_pause(sc) 1057 struct sbdsp_softc *sc; 1058 { 1059 1060 (void) tsleep(sbdsp_pause, PWAIT, "sbpause", hz / 8); 1061 } 1062 1063 /* 1064 * Turn on the speaker. The SBK documention says this operation 1065 * can take up to 1/10 of a second. Higher level layers should 1066 * probably let the task sleep for this amount of time after 1067 * calling here. Otherwise, things might not work (because 1068 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 1069 * 1070 * These engineers had their heads up their ass when 1071 * they designed this card. 1072 */ 1073 void 1074 sbdsp_spkron(sc) 1075 struct sbdsp_softc *sc; 1076 { 1077 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 1078 sbdsp_pause(sc); 1079 } 1080 1081 /* 1082 * Turn off the speaker; see comment above. 1083 */ 1084 void 1085 sbdsp_spkroff(sc) 1086 struct sbdsp_softc *sc; 1087 { 1088 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 1089 sbdsp_pause(sc); 1090 } 1091 1092 /* 1093 * Read the version number out of the card. 1094 * Store version information in the softc. 1095 */ 1096 void 1097 sbversion(sc) 1098 struct sbdsp_softc *sc; 1099 { 1100 int v; 1101 1102 sc->sc_model = SB_UNK; 1103 sc->sc_version = 0; 1104 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 1105 return; 1106 v = sbdsp_rdsp(sc) << 8; 1107 v |= sbdsp_rdsp(sc); 1108 if (v < 0) 1109 return; 1110 sc->sc_version = v; 1111 switch(SBVER_MAJOR(v)) { 1112 case 1: 1113 sc->sc_mixer_model = SBM_NONE; 1114 sc->sc_model = SB_1; 1115 break; 1116 case 2: 1117 /* Some SB2 have a mixer, some don't. */ 1118 sbdsp_mix_write(sc, SBP_1335_MASTER_VOL, 0x04); 1119 sbdsp_mix_write(sc, SBP_1335_MIDI_VOL, 0x06); 1120 /* Check if we can read back the mixer values. */ 1121 if ((sbdsp_mix_read(sc, SBP_1335_MASTER_VOL) & 0x0e) == 0x04 && 1122 (sbdsp_mix_read(sc, SBP_1335_MIDI_VOL) & 0x0e) == 0x06) 1123 sc->sc_mixer_model = SBM_CT1335; 1124 else 1125 sc->sc_mixer_model = SBM_NONE; 1126 if (SBVER_MINOR(v) == 0) 1127 sc->sc_model = SB_20; 1128 else 1129 sc->sc_model = SB_2x; 1130 break; 1131 case 3: 1132 sc->sc_mixer_model = SBM_CT1345; 1133 sc->sc_model = SB_PRO; 1134 break; 1135 case 4: 1136 #if 0 1137 /* XXX This does not work */ 1138 /* Most SB16 have a tone controls, but some don't. */ 1139 sbdsp_mix_write(sc, SB16P_TREBLE_L, 0x80); 1140 /* Check if we can read back the mixer value. */ 1141 if ((sbdsp_mix_read(sc, SB16P_TREBLE_L) & 0xf0) == 0x80) 1142 sc->sc_mixer_model = SBM_CT1745; 1143 else 1144 sc->sc_mixer_model = SBM_CT1XX5; 1145 #else 1146 sc->sc_mixer_model = SBM_CT1745; 1147 #endif 1148 #if 0 1149 /* XXX figure out a good way of determining the model */ 1150 /* XXX what about SB_32 */ 1151 if (SBVER_MINOR(v) == 16) 1152 sc->sc_model = SB_64; 1153 else 1154 #endif 1155 sc->sc_model = SB_16; 1156 break; 1157 } 1158 } 1159 1160 int 1161 sbdsp_set_timeconst(sc, tc) 1162 struct sbdsp_softc *sc; 1163 int tc; 1164 { 1165 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1166 1167 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1168 sbdsp_wdsp(sc, tc) < 0) 1169 return EIO; 1170 1171 return 0; 1172 } 1173 1174 int 1175 sbdsp16_set_rate(sc, cmd, rate) 1176 struct sbdsp_softc *sc; 1177 int cmd, rate; 1178 { 1179 DPRINTF(("sbdsp16_set_rate: sc=%p cmd=0x%02x rate=%d\n", sc, cmd, rate)); 1180 1181 if (sbdsp_wdsp(sc, cmd) < 0 || 1182 sbdsp_wdsp(sc, rate >> 8) < 0 || 1183 sbdsp_wdsp(sc, rate) < 0) 1184 return EIO; 1185 return 0; 1186 } 1187 1188 int 1189 sbdsp_trigger_input(addr, start, end, blksize, intr, arg, param) 1190 void *addr; 1191 void *start, *end; 1192 int blksize; 1193 void (*intr) __P((void *)); 1194 void *arg; 1195 struct audio_params *param; 1196 { 1197 struct sbdsp_softc *sc = addr; 1198 int stereo = param->channels == 2; 1199 int width = param->precision * param->factor; 1200 int filter; 1201 1202 #ifdef DIAGNOSTIC 1203 if (stereo && (blksize & 1)) { 1204 DPRINTF(("stereo record odd bytes (%d)\n", blksize)); 1205 return (EIO); 1206 } 1207 if (sc->sc_i.run != SB_NOTRUNNING) 1208 printf("sbdsp_trigger_input: already running\n"); 1209 #endif 1210 1211 sc->sc_intrr = intr; 1212 sc->sc_argr = arg; 1213 1214 if (width == 8) { 1215 #ifdef DIAGNOSTIC 1216 if (sc->sc_i.dmachan != sc->sc_drq8) { 1217 printf("sbdsp_trigger_input: width=%d bad chan %d\n", 1218 width, sc->sc_i.dmachan); 1219 return (EIO); 1220 } 1221 #endif 1222 sc->sc_intr8 = sbdsp_block_input; 1223 } else { 1224 #ifdef DIAGNOSTIC 1225 if (sc->sc_i.dmachan != sc->sc_drq16) { 1226 printf("sbdsp_trigger_input: width=%d bad chan %d\n", 1227 width, sc->sc_i.dmachan); 1228 return (EIO); 1229 } 1230 #endif 1231 sc->sc_intr16 = sbdsp_block_input; 1232 } 1233 1234 if ((sc->sc_model == SB_JAZZ) ? (sc->sc_i.dmachan > 3) : (width == 16)) 1235 blksize >>= 1; 1236 --blksize; 1237 sc->sc_i.blksize = blksize; 1238 1239 if (ISSBPRO(sc)) { 1240 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmdchan) < 0) 1241 return (EIO); 1242 filter = stereo ? SBP_FILTER_OFF : sc->in_filter; 1243 sbdsp_mix_write(sc, SBP_INFILTER, 1244 (sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK) | 1245 filter); 1246 } 1247 1248 if (ISSB16CLASS(sc)) { 1249 if (sbdsp16_set_rate(sc, SB_DSP16_INPUTRATE, sc->sc_i.rate)) { 1250 DPRINTF(("sbdsp_trigger_input: rate=%d set failed\n", 1251 sc->sc_i.rate)); 1252 return (EIO); 1253 } 1254 } else { 1255 if (sbdsp_set_timeconst(sc, sc->sc_i.tc)) { 1256 DPRINTF(("sbdsp_trigger_input: tc=%d set failed\n", 1257 sc->sc_i.rate)); 1258 return (EIO); 1259 } 1260 } 1261 1262 DPRINTF(("sbdsp: dma start loop input start=%p end=%p chan=%d\n", 1263 start, end, sc->sc_i.dmachan)); 1264 isa_dmastart(sc->sc_ic, sc->sc_i.dmachan, start, 1265 (char *)end - (char *)start, NULL, 1266 DMAMODE_READ | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1267 1268 return sbdsp_block_input(addr); 1269 } 1270 1271 int 1272 sbdsp_block_input(addr) 1273 void *addr; 1274 { 1275 struct sbdsp_softc *sc = addr; 1276 int cc = sc->sc_i.blksize; 1277 1278 DPRINTFN(2, ("sbdsp_block_input: sc=%p cc=%d\n", addr, cc)); 1279 1280 if (sc->sc_i.run != SB_NOTRUNNING) 1281 sc->sc_intrr(sc->sc_argr); 1282 1283 if (sc->sc_model == SB_1) { 1284 /* Non-looping mode, start DMA */ 1285 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0 || 1286 sbdsp_wdsp(sc, cc) < 0 || 1287 sbdsp_wdsp(sc, cc >> 8) < 0) { 1288 DPRINTF(("sbdsp_block_input: SB1 DMA start failed\n")); 1289 return (EIO); 1290 } 1291 sc->sc_i.run = SB_RUNNING; 1292 } else if (sc->sc_i.run == SB_NOTRUNNING) { 1293 /* Initialize looping PCM */ 1294 if (ISSB16CLASS(sc)) { 1295 DPRINTFN(3, ("sbdsp16 input command cmd=0x%02x bmode=0x%02x cc=%d\n", 1296 sc->sc_i.modep->cmd, sc->sc_i.bmode, cc)); 1297 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0 || 1298 sbdsp_wdsp(sc, sc->sc_i.bmode) < 0 || 1299 sbdsp_wdsp(sc, cc) < 0 || 1300 sbdsp_wdsp(sc, cc >> 8) < 0) { 1301 DPRINTF(("sbdsp_block_input: SB16 DMA start failed\n")); 1302 return (EIO); 1303 } 1304 } else { 1305 DPRINTF(("sbdsp_block_input: set blocksize=%d\n", cc)); 1306 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1307 sbdsp_wdsp(sc, cc) < 0 || 1308 sbdsp_wdsp(sc, cc >> 8) < 0) { 1309 DPRINTF(("sbdsp_block_input: SB2 DMA blocksize failed\n")); 1310 return (EIO); 1311 } 1312 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0) { 1313 DPRINTF(("sbdsp_block_input: SB2 DMA start failed\n")); 1314 return (EIO); 1315 } 1316 } 1317 sc->sc_i.run = SB_LOOPING; 1318 } 1319 1320 return (0); 1321 } 1322 1323 int 1324 sbdsp_trigger_output(addr, start, end, blksize, intr, arg, param) 1325 void *addr; 1326 void *start, *end; 1327 int blksize; 1328 void (*intr) __P((void *)); 1329 void *arg; 1330 struct audio_params *param; 1331 { 1332 struct sbdsp_softc *sc = addr; 1333 int stereo = param->channels == 2; 1334 int width = param->precision * param->factor; 1335 int cmd; 1336 1337 #ifdef DIAGNOSTIC 1338 if (stereo && (blksize & 1)) { 1339 DPRINTF(("stereo playback odd bytes (%d)\n", blksize)); 1340 return (EIO); 1341 } 1342 if (sc->sc_o.run != SB_NOTRUNNING) 1343 printf("sbdsp_trigger_output: already running\n"); 1344 #endif 1345 1346 sc->sc_intrp = intr; 1347 sc->sc_argp = arg; 1348 1349 if (width == 8) { 1350 #ifdef DIAGNOSTIC 1351 if (sc->sc_o.dmachan != sc->sc_drq8) { 1352 printf("sbdsp_trigger_output: width=%d bad chan %d\n", 1353 width, sc->sc_o.dmachan); 1354 return (EIO); 1355 } 1356 #endif 1357 sc->sc_intr8 = sbdsp_block_output; 1358 } else { 1359 #ifdef DIAGNOSTIC 1360 if (sc->sc_o.dmachan != sc->sc_drq16) { 1361 printf("sbdsp_trigger_output: width=%d bad chan %d\n", 1362 width, sc->sc_o.dmachan); 1363 return (EIO); 1364 } 1365 #endif 1366 sc->sc_intr16 = sbdsp_block_output; 1367 } 1368 1369 if ((sc->sc_model == SB_JAZZ) ? (sc->sc_o.dmachan > 3) : (width == 16)) 1370 blksize >>= 1; 1371 --blksize; 1372 sc->sc_o.blksize = blksize; 1373 1374 if (ISSBPRO(sc)) { 1375 /* make sure we re-set stereo mixer bit when we start output. */ 1376 sbdsp_mix_write(sc, SBP_STEREO, 1377 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1378 (stereo ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1379 cmd = sc->sc_o.modep->cmdchan; 1380 if (cmd && sbdsp_wdsp(sc, cmd) < 0) 1381 return (EIO); 1382 } 1383 1384 if (ISSB16CLASS(sc)) { 1385 if (sbdsp16_set_rate(sc, SB_DSP16_OUTPUTRATE, sc->sc_o.rate)) { 1386 DPRINTF(("sbdsp_trigger_output: rate=%d set failed\n", 1387 sc->sc_o.rate)); 1388 return (EIO); 1389 } 1390 } else { 1391 if (sbdsp_set_timeconst(sc, sc->sc_o.tc)) { 1392 DPRINTF(("sbdsp_trigger_output: tc=%d set failed\n", 1393 sc->sc_o.rate)); 1394 return (EIO); 1395 } 1396 } 1397 1398 DPRINTF(("sbdsp: dma start loop output start=%p end=%p chan=%d\n", 1399 start, end, sc->sc_o.dmachan)); 1400 isa_dmastart(sc->sc_ic, sc->sc_o.dmachan, start, 1401 (char *)end - (char *)start, NULL, 1402 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1403 1404 return sbdsp_block_output(addr); 1405 } 1406 1407 int 1408 sbdsp_block_output(addr) 1409 void *addr; 1410 { 1411 struct sbdsp_softc *sc = addr; 1412 int cc = sc->sc_o.blksize; 1413 1414 DPRINTFN(2, ("sbdsp_block_output: sc=%p cc=%d\n", addr, cc)); 1415 1416 if (sc->sc_o.run != SB_NOTRUNNING) 1417 sc->sc_intrp(sc->sc_argp); 1418 1419 if (sc->sc_model == SB_1) { 1420 /* Non-looping mode, initialized. Start DMA and PCM */ 1421 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0 || 1422 sbdsp_wdsp(sc, cc) < 0 || 1423 sbdsp_wdsp(sc, cc >> 8) < 0) { 1424 DPRINTF(("sbdsp_block_output: SB1 DMA start failed\n")); 1425 return (EIO); 1426 } 1427 sc->sc_o.run = SB_RUNNING; 1428 } else if (sc->sc_o.run == SB_NOTRUNNING) { 1429 /* Initialize looping PCM */ 1430 if (ISSB16CLASS(sc)) { 1431 DPRINTF(("sbdsp_block_output: SB16 cmd=0x%02x bmode=0x%02x cc=%d\n", 1432 sc->sc_o.modep->cmd,sc->sc_o.bmode, cc)); 1433 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0 || 1434 sbdsp_wdsp(sc, sc->sc_o.bmode) < 0 || 1435 sbdsp_wdsp(sc, cc) < 0 || 1436 sbdsp_wdsp(sc, cc >> 8) < 0) { 1437 DPRINTF(("sbdsp_block_output: SB16 DMA start failed\n")); 1438 return (EIO); 1439 } 1440 } else { 1441 DPRINTF(("sbdsp_block_output: set blocksize=%d\n", cc)); 1442 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1443 sbdsp_wdsp(sc, cc) < 0 || 1444 sbdsp_wdsp(sc, cc >> 8) < 0) { 1445 DPRINTF(("sbdsp_block_output: SB2 DMA blocksize failed\n")); 1446 return (EIO); 1447 } 1448 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0) { 1449 DPRINTF(("sbdsp_block_output: SB2 DMA start failed\n")); 1450 return (EIO); 1451 } 1452 } 1453 sc->sc_o.run = SB_LOOPING; 1454 } 1455 1456 return (0); 1457 } 1458 1459 int 1460 sbdsp_halt_output(addr) 1461 void *addr; 1462 { 1463 struct sbdsp_softc *sc = addr; 1464 1465 if (sc->sc_o.run != SB_NOTRUNNING) { 1466 if (sbdsp_wdsp(sc, sc->sc_o.modep->halt) < 0) 1467 printf("sbdsp_halt_output: failed to halt\n"); 1468 isa_dmaabort(sc->sc_ic, sc->sc_o.dmachan); 1469 sc->sc_o.run = SB_NOTRUNNING; 1470 } 1471 1472 return (0); 1473 } 1474 1475 int 1476 sbdsp_halt_input(addr) 1477 void *addr; 1478 { 1479 struct sbdsp_softc *sc = addr; 1480 1481 if (sc->sc_i.run != SB_NOTRUNNING) { 1482 if (sbdsp_wdsp(sc, sc->sc_i.modep->halt) < 0) 1483 printf("sbdsp_halt_input: failed to halt\n"); 1484 isa_dmaabort(sc->sc_ic, sc->sc_i.dmachan); 1485 sc->sc_i.run = SB_NOTRUNNING; 1486 } 1487 1488 return (0); 1489 } 1490 1491 /* 1492 * Only the DSP unit on the sound blaster generates interrupts. 1493 * There are three cases of interrupt: reception of a midi byte 1494 * (when mode is enabled), completion of dma transmission, or 1495 * completion of a dma reception. 1496 * 1497 * If there is interrupt sharing or a spurious interrupt occurs 1498 * there is no way to distinguish this on an SB2. So if you have 1499 * an SB2 and experience problems, buy an SB16 (it's only $40). 1500 */ 1501 int 1502 sbdsp_intr(arg) 1503 void *arg; 1504 { 1505 struct sbdsp_softc *sc = arg; 1506 u_char irq; 1507 1508 DPRINTFN(2, ("sbdsp_intr: intr8=%p, intr16=%p\n", 1509 sc->sc_intr8, sc->sc_intr16)); 1510 if (ISSB16CLASS(sc)) { 1511 irq = sbdsp_mix_read(sc, SBP_IRQ_STATUS); 1512 if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16 | SBP_IRQ_MPU401)) == 0) { 1513 DPRINTF(("sbdsp_intr: Spurious interrupt 0x%x\n", irq)); 1514 return 0; 1515 } 1516 } else { 1517 /* XXXX CHECK FOR INTERRUPT */ 1518 irq = SBP_IRQ_DMA8; 1519 } 1520 1521 sc->sc_interrupts++; 1522 delay(10); /* XXX why? */ 1523 1524 /* clear interrupt */ 1525 if (irq & SBP_IRQ_DMA8) { 1526 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK8); 1527 if (sc->sc_intr8) 1528 sc->sc_intr8(arg); 1529 } 1530 if (irq & SBP_IRQ_DMA16) { 1531 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK16); 1532 if (sc->sc_intr16) 1533 sc->sc_intr16(arg); 1534 } 1535 #if NMPU > 0 1536 if ((irq & SBP_IRQ_MPU401) && sc->sc_mpudev) { 1537 mpu_intr(sc->sc_mpudev); 1538 } 1539 #endif 1540 return 1; 1541 } 1542 1543 /* Like val & mask, but make sure the result is correctly rounded. */ 1544 #define MAXVAL 256 1545 static int 1546 sbdsp_adjust(val, mask) 1547 int val, mask; 1548 { 1549 val += (MAXVAL - mask) >> 1; 1550 if (val >= MAXVAL) 1551 val = MAXVAL-1; 1552 return val & mask; 1553 } 1554 1555 void 1556 sbdsp_set_mixer_gain(sc, port) 1557 struct sbdsp_softc *sc; 1558 int port; 1559 { 1560 int src, gain; 1561 1562 switch(sc->sc_mixer_model) { 1563 case SBM_NONE: 1564 return; 1565 case SBM_CT1335: 1566 gain = SB_1335_GAIN(sc->gain[port][SB_LEFT]); 1567 switch(port) { 1568 case SB_MASTER_VOL: 1569 src = SBP_1335_MASTER_VOL; 1570 break; 1571 case SB_MIDI_VOL: 1572 src = SBP_1335_MIDI_VOL; 1573 break; 1574 case SB_CD_VOL: 1575 src = SBP_1335_CD_VOL; 1576 break; 1577 case SB_VOICE_VOL: 1578 src = SBP_1335_VOICE_VOL; 1579 gain = SB_1335_MASTER_GAIN(sc->gain[port][SB_LEFT]); 1580 break; 1581 default: 1582 return; 1583 } 1584 sbdsp_mix_write(sc, src, gain); 1585 break; 1586 case SBM_CT1345: 1587 gain = SB_STEREO_GAIN(sc->gain[port][SB_LEFT], 1588 sc->gain[port][SB_RIGHT]); 1589 switch (port) { 1590 case SB_MIC_VOL: 1591 src = SBP_MIC_VOL; 1592 gain = SB_MIC_GAIN(sc->gain[port][SB_LEFT]); 1593 break; 1594 case SB_MASTER_VOL: 1595 src = SBP_MASTER_VOL; 1596 break; 1597 case SB_LINE_IN_VOL: 1598 src = SBP_LINE_VOL; 1599 break; 1600 case SB_VOICE_VOL: 1601 src = SBP_VOICE_VOL; 1602 break; 1603 case SB_MIDI_VOL: 1604 src = SBP_MIDI_VOL; 1605 break; 1606 case SB_CD_VOL: 1607 src = SBP_CD_VOL; 1608 break; 1609 default: 1610 return; 1611 } 1612 sbdsp_mix_write(sc, src, gain); 1613 break; 1614 case SBM_CT1XX5: 1615 case SBM_CT1745: 1616 switch (port) { 1617 case SB_MIC_VOL: 1618 src = SB16P_MIC_L; 1619 break; 1620 case SB_MASTER_VOL: 1621 src = SB16P_MASTER_L; 1622 break; 1623 case SB_LINE_IN_VOL: 1624 src = SB16P_LINE_L; 1625 break; 1626 case SB_VOICE_VOL: 1627 src = SB16P_VOICE_L; 1628 break; 1629 case SB_MIDI_VOL: 1630 src = SB16P_MIDI_L; 1631 break; 1632 case SB_CD_VOL: 1633 src = SB16P_CD_L; 1634 break; 1635 case SB_INPUT_GAIN: 1636 src = SB16P_INPUT_GAIN_L; 1637 break; 1638 case SB_OUTPUT_GAIN: 1639 src = SB16P_OUTPUT_GAIN_L; 1640 break; 1641 case SB_TREBLE: 1642 src = SB16P_TREBLE_L; 1643 break; 1644 case SB_BASS: 1645 src = SB16P_BASS_L; 1646 break; 1647 case SB_PCSPEAKER: 1648 sbdsp_mix_write(sc, SB16P_PCSPEAKER, sc->gain[port][SB_LEFT]); 1649 return; 1650 default: 1651 return; 1652 } 1653 sbdsp_mix_write(sc, src, sc->gain[port][SB_LEFT]); 1654 sbdsp_mix_write(sc, SB16P_L_TO_R(src), sc->gain[port][SB_RIGHT]); 1655 break; 1656 } 1657 } 1658 1659 int 1660 sbdsp_mixer_set_port(addr, cp) 1661 void *addr; 1662 mixer_ctrl_t *cp; 1663 { 1664 struct sbdsp_softc *sc = addr; 1665 int lgain, rgain; 1666 int mask, bits; 1667 int lmask, rmask, lbits, rbits; 1668 int mute, swap; 1669 1670 if (sc->sc_open == SB_OPEN_MIDI) 1671 return EBUSY; 1672 1673 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1674 cp->un.value.num_channels)); 1675 1676 if (sc->sc_mixer_model == SBM_NONE) 1677 return EINVAL; 1678 1679 switch (cp->dev) { 1680 case SB_TREBLE: 1681 case SB_BASS: 1682 if (sc->sc_mixer_model == SBM_CT1345 || 1683 sc->sc_mixer_model == SBM_CT1XX5) { 1684 if (cp->type != AUDIO_MIXER_ENUM) 1685 return EINVAL; 1686 switch (cp->dev) { 1687 case SB_TREBLE: 1688 sbdsp_set_ifilter(addr, cp->un.ord ? SB_TREBLE : 0); 1689 return 0; 1690 case SB_BASS: 1691 sbdsp_set_ifilter(addr, cp->un.ord ? SB_BASS : 0); 1692 return 0; 1693 } 1694 } 1695 case SB_PCSPEAKER: 1696 case SB_INPUT_GAIN: 1697 case SB_OUTPUT_GAIN: 1698 if (!ISSBM1745(sc)) 1699 return EINVAL; 1700 case SB_MIC_VOL: 1701 case SB_LINE_IN_VOL: 1702 if (sc->sc_mixer_model == SBM_CT1335) 1703 return EINVAL; 1704 case SB_VOICE_VOL: 1705 case SB_MIDI_VOL: 1706 case SB_CD_VOL: 1707 case SB_MASTER_VOL: 1708 if (cp->type != AUDIO_MIXER_VALUE) 1709 return EINVAL; 1710 1711 /* 1712 * All the mixer ports are stereo except for the microphone. 1713 * If we get a single-channel gain value passed in, then we 1714 * duplicate it to both left and right channels. 1715 */ 1716 1717 switch (cp->dev) { 1718 case SB_MIC_VOL: 1719 if (cp->un.value.num_channels != 1) 1720 return EINVAL; 1721 1722 lgain = rgain = SB_ADJUST_MIC_GAIN(sc, 1723 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1724 break; 1725 case SB_PCSPEAKER: 1726 if (cp->un.value.num_channels != 1) 1727 return EINVAL; 1728 /* fall into */ 1729 case SB_INPUT_GAIN: 1730 case SB_OUTPUT_GAIN: 1731 lgain = rgain = SB_ADJUST_2_GAIN(sc, 1732 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1733 break; 1734 default: 1735 switch (cp->un.value.num_channels) { 1736 case 1: 1737 lgain = rgain = SB_ADJUST_GAIN(sc, 1738 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1739 break; 1740 case 2: 1741 if (sc->sc_mixer_model == SBM_CT1335) 1742 return EINVAL; 1743 lgain = SB_ADJUST_GAIN(sc, 1744 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1745 rgain = SB_ADJUST_GAIN(sc, 1746 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1747 break; 1748 default: 1749 return EINVAL; 1750 } 1751 break; 1752 } 1753 sc->gain[cp->dev][SB_LEFT] = lgain; 1754 sc->gain[cp->dev][SB_RIGHT] = rgain; 1755 1756 sbdsp_set_mixer_gain(sc, cp->dev); 1757 break; 1758 1759 case SB_RECORD_SOURCE: 1760 if (ISSBM1745(sc)) { 1761 if (cp->type != AUDIO_MIXER_SET) 1762 return EINVAL; 1763 return sbdsp_set_in_ports(sc, cp->un.mask); 1764 } else { 1765 if (cp->type != AUDIO_MIXER_ENUM) 1766 return EINVAL; 1767 sc->in_port = cp->un.ord; 1768 return sbdsp_set_in_ports(sc, 1 << cp->un.ord); 1769 } 1770 break; 1771 1772 case SB_AGC: 1773 if (!ISSBM1745(sc) || cp->type != AUDIO_MIXER_ENUM) 1774 return EINVAL; 1775 sbdsp_mix_write(sc, SB16P_AGC, cp->un.ord & 1); 1776 break; 1777 1778 case SB_CD_OUT_MUTE: 1779 mask = SB16P_SW_CD; 1780 goto omute; 1781 case SB_MIC_OUT_MUTE: 1782 mask = SB16P_SW_MIC; 1783 goto omute; 1784 case SB_LINE_OUT_MUTE: 1785 mask = SB16P_SW_LINE; 1786 omute: 1787 if (cp->type != AUDIO_MIXER_ENUM) 1788 return EINVAL; 1789 bits = sbdsp_mix_read(sc, SB16P_OSWITCH); 1790 sc->gain[cp->dev][SB_LR] = cp->un.ord != 0; 1791 if (cp->un.ord) 1792 bits = bits & ~mask; 1793 else 1794 bits = bits | mask; 1795 sbdsp_mix_write(sc, SB16P_OSWITCH, bits); 1796 break; 1797 1798 case SB_MIC_IN_MUTE: 1799 case SB_MIC_SWAP: 1800 lmask = rmask = SB16P_SW_MIC; 1801 goto imute; 1802 case SB_CD_IN_MUTE: 1803 case SB_CD_SWAP: 1804 lmask = SB16P_SW_CD_L; 1805 rmask = SB16P_SW_CD_R; 1806 goto imute; 1807 case SB_LINE_IN_MUTE: 1808 case SB_LINE_SWAP: 1809 lmask = SB16P_SW_LINE_L; 1810 rmask = SB16P_SW_LINE_R; 1811 goto imute; 1812 case SB_MIDI_IN_MUTE: 1813 case SB_MIDI_SWAP: 1814 lmask = SB16P_SW_MIDI_L; 1815 rmask = SB16P_SW_MIDI_R; 1816 imute: 1817 if (cp->type != AUDIO_MIXER_ENUM) 1818 return EINVAL; 1819 mask = lmask | rmask; 1820 lbits = sbdsp_mix_read(sc, SB16P_ISWITCH_L) & ~mask; 1821 rbits = sbdsp_mix_read(sc, SB16P_ISWITCH_R) & ~mask; 1822 sc->gain[cp->dev][SB_LR] = cp->un.ord != 0; 1823 if (SB_IS_IN_MUTE(cp->dev)) { 1824 mute = cp->dev; 1825 swap = mute - SB_CD_IN_MUTE + SB_CD_SWAP; 1826 } else { 1827 swap = cp->dev; 1828 mute = swap + SB_CD_IN_MUTE - SB_CD_SWAP; 1829 } 1830 if (sc->gain[swap][SB_LR]) { 1831 mask = lmask; 1832 lmask = rmask; 1833 rmask = mask; 1834 } 1835 if (!sc->gain[mute][SB_LR]) { 1836 lbits = lbits | lmask; 1837 rbits = rbits | rmask; 1838 } 1839 sbdsp_mix_write(sc, SB16P_ISWITCH_L, lbits); 1840 sbdsp_mix_write(sc, SB16P_ISWITCH_L, rbits); 1841 break; 1842 1843 default: 1844 return EINVAL; 1845 } 1846 1847 return 0; 1848 } 1849 1850 int 1851 sbdsp_mixer_get_port(addr, cp) 1852 void *addr; 1853 mixer_ctrl_t *cp; 1854 { 1855 struct sbdsp_softc *sc = addr; 1856 1857 if (sc->sc_open == SB_OPEN_MIDI) 1858 return EBUSY; 1859 1860 DPRINTF(("sbdsp_mixer_get_port: port=%d\n", cp->dev)); 1861 1862 if (sc->sc_mixer_model == SBM_NONE) 1863 return EINVAL; 1864 1865 switch (cp->dev) { 1866 case SB_TREBLE: 1867 case SB_BASS: 1868 if (sc->sc_mixer_model == SBM_CT1345 || 1869 sc->sc_mixer_model == SBM_CT1XX5) { 1870 switch (cp->dev) { 1871 case SB_TREBLE: 1872 cp->un.ord = sbdsp_get_ifilter(addr) == SB_TREBLE; 1873 return 0; 1874 case SB_BASS: 1875 cp->un.ord = sbdsp_get_ifilter(addr) == SB_BASS; 1876 return 0; 1877 } 1878 } 1879 case SB_PCSPEAKER: 1880 case SB_INPUT_GAIN: 1881 case SB_OUTPUT_GAIN: 1882 if (!ISSBM1745(sc)) 1883 return EINVAL; 1884 case SB_MIC_VOL: 1885 case SB_LINE_IN_VOL: 1886 if (sc->sc_mixer_model == SBM_CT1335) 1887 return EINVAL; 1888 case SB_VOICE_VOL: 1889 case SB_MIDI_VOL: 1890 case SB_CD_VOL: 1891 case SB_MASTER_VOL: 1892 switch (cp->dev) { 1893 case SB_MIC_VOL: 1894 case SB_PCSPEAKER: 1895 if (cp->un.value.num_channels != 1) 1896 return EINVAL; 1897 /* fall into */ 1898 default: 1899 switch (cp->un.value.num_channels) { 1900 case 1: 1901 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1902 sc->gain[cp->dev][SB_LEFT]; 1903 break; 1904 case 2: 1905 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1906 sc->gain[cp->dev][SB_LEFT]; 1907 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1908 sc->gain[cp->dev][SB_RIGHT]; 1909 break; 1910 default: 1911 return EINVAL; 1912 } 1913 break; 1914 } 1915 break; 1916 1917 case SB_RECORD_SOURCE: 1918 if (ISSBM1745(sc)) 1919 cp->un.mask = sc->in_mask; 1920 else 1921 cp->un.ord = sc->in_port; 1922 break; 1923 1924 case SB_AGC: 1925 if (!ISSBM1745(sc)) 1926 return EINVAL; 1927 cp->un.ord = sbdsp_mix_read(sc, SB16P_AGC); 1928 break; 1929 1930 case SB_CD_IN_MUTE: 1931 case SB_MIC_IN_MUTE: 1932 case SB_LINE_IN_MUTE: 1933 case SB_MIDI_IN_MUTE: 1934 case SB_CD_SWAP: 1935 case SB_MIC_SWAP: 1936 case SB_LINE_SWAP: 1937 case SB_MIDI_SWAP: 1938 case SB_CD_OUT_MUTE: 1939 case SB_MIC_OUT_MUTE: 1940 case SB_LINE_OUT_MUTE: 1941 cp->un.ord = sc->gain[cp->dev][SB_LR]; 1942 break; 1943 1944 default: 1945 return EINVAL; 1946 } 1947 1948 return 0; 1949 } 1950 1951 int 1952 sbdsp_mixer_query_devinfo(addr, dip) 1953 void *addr; 1954 mixer_devinfo_t *dip; 1955 { 1956 struct sbdsp_softc *sc = addr; 1957 int chan, class, is1745; 1958 1959 DPRINTF(("sbdsp_mixer_query_devinfo: model=%d index=%d\n", 1960 sc->sc_mixer_model, dip->index)); 1961 1962 if (sc->sc_mixer_model == SBM_NONE) 1963 return ENXIO; 1964 1965 chan = sc->sc_mixer_model == SBM_CT1335 ? 1 : 2; 1966 is1745 = ISSBM1745(sc); 1967 class = is1745 ? SB_INPUT_CLASS : SB_OUTPUT_CLASS; 1968 1969 switch (dip->index) { 1970 case SB_MASTER_VOL: 1971 dip->type = AUDIO_MIXER_VALUE; 1972 dip->mixer_class = SB_OUTPUT_CLASS; 1973 dip->prev = dip->next = AUDIO_MIXER_LAST; 1974 strcpy(dip->label.name, AudioNmaster); 1975 dip->un.v.num_channels = chan; 1976 strcpy(dip->un.v.units.name, AudioNvolume); 1977 return 0; 1978 case SB_MIDI_VOL: 1979 dip->type = AUDIO_MIXER_VALUE; 1980 dip->mixer_class = class; 1981 dip->prev = AUDIO_MIXER_LAST; 1982 dip->next = is1745 ? SB_MIDI_IN_MUTE : AUDIO_MIXER_LAST; 1983 strcpy(dip->label.name, AudioNfmsynth); 1984 dip->un.v.num_channels = chan; 1985 strcpy(dip->un.v.units.name, AudioNvolume); 1986 return 0; 1987 case SB_CD_VOL: 1988 dip->type = AUDIO_MIXER_VALUE; 1989 dip->mixer_class = class; 1990 dip->prev = AUDIO_MIXER_LAST; 1991 dip->next = is1745 ? SB_CD_IN_MUTE : AUDIO_MIXER_LAST; 1992 strcpy(dip->label.name, AudioNcd); 1993 dip->un.v.num_channels = chan; 1994 strcpy(dip->un.v.units.name, AudioNvolume); 1995 return 0; 1996 case SB_VOICE_VOL: 1997 dip->type = AUDIO_MIXER_VALUE; 1998 dip->mixer_class = class; 1999 dip->prev = AUDIO_MIXER_LAST; 2000 dip->next = AUDIO_MIXER_LAST; 2001 strcpy(dip->label.name, AudioNdac); 2002 dip->un.v.num_channels = chan; 2003 strcpy(dip->un.v.units.name, AudioNvolume); 2004 return 0; 2005 case SB_OUTPUT_CLASS: 2006 dip->type = AUDIO_MIXER_CLASS; 2007 dip->mixer_class = SB_OUTPUT_CLASS; 2008 dip->next = dip->prev = AUDIO_MIXER_LAST; 2009 strcpy(dip->label.name, AudioCoutputs); 2010 return 0; 2011 } 2012 2013 if (sc->sc_mixer_model == SBM_CT1335) 2014 return ENXIO; 2015 2016 switch (dip->index) { 2017 case SB_MIC_VOL: 2018 dip->type = AUDIO_MIXER_VALUE; 2019 dip->mixer_class = class; 2020 dip->prev = AUDIO_MIXER_LAST; 2021 dip->next = is1745 ? SB_MIC_IN_MUTE : AUDIO_MIXER_LAST; 2022 strcpy(dip->label.name, AudioNmicrophone); 2023 dip->un.v.num_channels = 1; 2024 strcpy(dip->un.v.units.name, AudioNvolume); 2025 return 0; 2026 2027 case SB_LINE_IN_VOL: 2028 dip->type = AUDIO_MIXER_VALUE; 2029 dip->mixer_class = class; 2030 dip->prev = AUDIO_MIXER_LAST; 2031 dip->next = is1745 ? SB_LINE_IN_MUTE : AUDIO_MIXER_LAST; 2032 strcpy(dip->label.name, AudioNline); 2033 dip->un.v.num_channels = 2; 2034 strcpy(dip->un.v.units.name, AudioNvolume); 2035 return 0; 2036 2037 case SB_RECORD_SOURCE: 2038 dip->mixer_class = SB_RECORD_CLASS; 2039 dip->prev = dip->next = AUDIO_MIXER_LAST; 2040 strcpy(dip->label.name, AudioNsource); 2041 if (ISSBM1745(sc)) { 2042 dip->type = AUDIO_MIXER_SET; 2043 dip->un.s.num_mem = 4; 2044 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone); 2045 dip->un.s.member[0].mask = 1 << SB_MIC_VOL; 2046 strcpy(dip->un.s.member[1].label.name, AudioNcd); 2047 dip->un.s.member[1].mask = 1 << SB_CD_VOL; 2048 strcpy(dip->un.s.member[2].label.name, AudioNline); 2049 dip->un.s.member[2].mask = 1 << SB_LINE_IN_VOL; 2050 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 2051 dip->un.s.member[3].mask = 1 << SB_MIDI_VOL; 2052 } else { 2053 dip->type = AUDIO_MIXER_ENUM; 2054 dip->un.e.num_mem = 3; 2055 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 2056 dip->un.e.member[0].ord = SB_MIC_VOL; 2057 strcpy(dip->un.e.member[1].label.name, AudioNcd); 2058 dip->un.e.member[1].ord = SB_CD_VOL; 2059 strcpy(dip->un.e.member[2].label.name, AudioNline); 2060 dip->un.e.member[2].ord = SB_LINE_IN_VOL; 2061 } 2062 return 0; 2063 2064 case SB_BASS: 2065 dip->prev = dip->next = AUDIO_MIXER_LAST; 2066 strcpy(dip->label.name, AudioNbass); 2067 if (sc->sc_mixer_model == SBM_CT1745) { 2068 dip->type = AUDIO_MIXER_VALUE; 2069 dip->mixer_class = SB_EQUALIZATION_CLASS; 2070 dip->un.v.num_channels = 2; 2071 strcpy(dip->un.v.units.name, AudioNbass); 2072 } else { 2073 dip->type = AUDIO_MIXER_ENUM; 2074 dip->mixer_class = SB_INPUT_CLASS; 2075 dip->un.e.num_mem = 2; 2076 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2077 dip->un.e.member[0].ord = 0; 2078 strcpy(dip->un.e.member[1].label.name, AudioNon); 2079 dip->un.e.member[1].ord = 1; 2080 } 2081 return 0; 2082 2083 case SB_TREBLE: 2084 dip->prev = dip->next = AUDIO_MIXER_LAST; 2085 strcpy(dip->label.name, AudioNtreble); 2086 if (sc->sc_mixer_model == SBM_CT1745) { 2087 dip->type = AUDIO_MIXER_VALUE; 2088 dip->mixer_class = SB_EQUALIZATION_CLASS; 2089 dip->un.v.num_channels = 2; 2090 strcpy(dip->un.v.units.name, AudioNtreble); 2091 } else { 2092 dip->type = AUDIO_MIXER_ENUM; 2093 dip->mixer_class = SB_INPUT_CLASS; 2094 dip->un.e.num_mem = 2; 2095 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2096 dip->un.e.member[0].ord = 0; 2097 strcpy(dip->un.e.member[1].label.name, AudioNon); 2098 dip->un.e.member[1].ord = 1; 2099 } 2100 return 0; 2101 2102 case SB_RECORD_CLASS: /* record source class */ 2103 dip->type = AUDIO_MIXER_CLASS; 2104 dip->mixer_class = SB_RECORD_CLASS; 2105 dip->next = dip->prev = AUDIO_MIXER_LAST; 2106 strcpy(dip->label.name, AudioCrecord); 2107 return 0; 2108 2109 case SB_INPUT_CLASS: 2110 dip->type = AUDIO_MIXER_CLASS; 2111 dip->mixer_class = SB_INPUT_CLASS; 2112 dip->next = dip->prev = AUDIO_MIXER_LAST; 2113 strcpy(dip->label.name, AudioCinputs); 2114 return 0; 2115 2116 } 2117 2118 if (sc->sc_mixer_model == SBM_CT1345) 2119 return ENXIO; 2120 2121 switch(dip->index) { 2122 case SB_PCSPEAKER: 2123 dip->type = AUDIO_MIXER_VALUE; 2124 dip->mixer_class = SB_INPUT_CLASS; 2125 dip->prev = dip->next = AUDIO_MIXER_LAST; 2126 strcpy(dip->label.name, "pc_speaker"); 2127 dip->un.v.num_channels = 1; 2128 strcpy(dip->un.v.units.name, AudioNvolume); 2129 return 0; 2130 2131 case SB_INPUT_GAIN: 2132 dip->type = AUDIO_MIXER_VALUE; 2133 dip->mixer_class = SB_INPUT_CLASS; 2134 dip->prev = dip->next = AUDIO_MIXER_LAST; 2135 strcpy(dip->label.name, AudioNinput); 2136 dip->un.v.num_channels = 2; 2137 strcpy(dip->un.v.units.name, AudioNvolume); 2138 return 0; 2139 2140 case SB_OUTPUT_GAIN: 2141 dip->type = AUDIO_MIXER_VALUE; 2142 dip->mixer_class = SB_OUTPUT_CLASS; 2143 dip->prev = dip->next = AUDIO_MIXER_LAST; 2144 strcpy(dip->label.name, AudioNoutput); 2145 dip->un.v.num_channels = 2; 2146 strcpy(dip->un.v.units.name, AudioNvolume); 2147 return 0; 2148 2149 case SB_AGC: 2150 dip->type = AUDIO_MIXER_ENUM; 2151 dip->mixer_class = SB_INPUT_CLASS; 2152 dip->prev = dip->next = AUDIO_MIXER_LAST; 2153 strcpy(dip->label.name, "agc"); 2154 dip->un.e.num_mem = 2; 2155 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2156 dip->un.e.member[0].ord = 0; 2157 strcpy(dip->un.e.member[1].label.name, AudioNon); 2158 dip->un.e.member[1].ord = 1; 2159 return 0; 2160 2161 case SB_EQUALIZATION_CLASS: 2162 dip->type = AUDIO_MIXER_CLASS; 2163 dip->mixer_class = SB_EQUALIZATION_CLASS; 2164 dip->next = dip->prev = AUDIO_MIXER_LAST; 2165 strcpy(dip->label.name, AudioCequalization); 2166 return 0; 2167 2168 case SB_CD_IN_MUTE: 2169 dip->prev = SB_CD_VOL; 2170 dip->next = SB_CD_SWAP; 2171 dip->mixer_class = SB_INPUT_CLASS; 2172 goto mute; 2173 2174 case SB_MIC_IN_MUTE: 2175 dip->prev = SB_MIC_VOL; 2176 dip->next = SB_MIC_SWAP; 2177 dip->mixer_class = SB_INPUT_CLASS; 2178 goto mute; 2179 2180 case SB_LINE_IN_MUTE: 2181 dip->prev = SB_LINE_IN_VOL; 2182 dip->next = SB_LINE_SWAP; 2183 dip->mixer_class = SB_INPUT_CLASS; 2184 goto mute; 2185 2186 case SB_MIDI_IN_MUTE: 2187 dip->prev = SB_MIDI_VOL; 2188 dip->next = SB_MIDI_SWAP; 2189 dip->mixer_class = SB_INPUT_CLASS; 2190 goto mute; 2191 2192 case SB_CD_SWAP: 2193 dip->prev = SB_CD_IN_MUTE; 2194 dip->next = SB_CD_OUT_MUTE; 2195 goto swap; 2196 2197 case SB_MIC_SWAP: 2198 dip->prev = SB_MIC_IN_MUTE; 2199 dip->next = SB_MIC_OUT_MUTE; 2200 goto swap; 2201 2202 case SB_LINE_SWAP: 2203 dip->prev = SB_LINE_IN_MUTE; 2204 dip->next = SB_LINE_OUT_MUTE; 2205 goto swap; 2206 2207 case SB_MIDI_SWAP: 2208 dip->prev = SB_MIDI_IN_MUTE; 2209 dip->next = AUDIO_MIXER_LAST; 2210 swap: 2211 dip->mixer_class = SB_INPUT_CLASS; 2212 strcpy(dip->label.name, AudioNswap); 2213 goto mute1; 2214 2215 case SB_CD_OUT_MUTE: 2216 dip->prev = SB_CD_SWAP; 2217 dip->next = AUDIO_MIXER_LAST; 2218 dip->mixer_class = SB_OUTPUT_CLASS; 2219 goto mute; 2220 2221 case SB_MIC_OUT_MUTE: 2222 dip->prev = SB_MIC_SWAP; 2223 dip->next = AUDIO_MIXER_LAST; 2224 dip->mixer_class = SB_OUTPUT_CLASS; 2225 goto mute; 2226 2227 case SB_LINE_OUT_MUTE: 2228 dip->prev = SB_LINE_SWAP; 2229 dip->next = AUDIO_MIXER_LAST; 2230 dip->mixer_class = SB_OUTPUT_CLASS; 2231 mute: 2232 strcpy(dip->label.name, AudioNmute); 2233 mute1: 2234 dip->type = AUDIO_MIXER_ENUM; 2235 dip->un.e.num_mem = 2; 2236 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2237 dip->un.e.member[0].ord = 0; 2238 strcpy(dip->un.e.member[1].label.name, AudioNon); 2239 dip->un.e.member[1].ord = 1; 2240 return 0; 2241 2242 } 2243 2244 return ENXIO; 2245 } 2246 2247 void * 2248 sb_malloc(addr, direction, size, pool, flags) 2249 void *addr; 2250 int direction; 2251 size_t size; 2252 int pool, flags; 2253 { 2254 struct sbdsp_softc *sc = addr; 2255 int drq; 2256 2257 if (sc->sc_drq8 != -1) 2258 drq = sc->sc_drq8; 2259 else 2260 drq = sc->sc_drq16; 2261 return (isa_malloc(sc->sc_ic, drq, size, pool, flags)); 2262 } 2263 2264 void 2265 sb_free(addr, ptr, pool) 2266 void *addr; 2267 void *ptr; 2268 int pool; 2269 { 2270 isa_free(ptr, pool); 2271 } 2272 2273 size_t 2274 sb_round_buffersize(addr, direction, size) 2275 void *addr; 2276 int direction; 2277 size_t size; 2278 { 2279 struct sbdsp_softc *sc = addr; 2280 bus_size_t maxsize; 2281 2282 if (sc->sc_drq8 != -1) 2283 maxsize = sc->sc_drq8_maxsize; 2284 else 2285 maxsize = sc->sc_drq16_maxsize; 2286 2287 if (size > maxsize) 2288 size = maxsize; 2289 return (size); 2290 } 2291 2292 paddr_t 2293 sb_mappage(addr, mem, off, prot) 2294 void *addr; 2295 void *mem; 2296 off_t off; 2297 int prot; 2298 { 2299 return isa_mappage(mem, off, prot); 2300 } 2301 2302 int 2303 sbdsp_get_props(addr) 2304 void *addr; 2305 { 2306 struct sbdsp_softc *sc = addr; 2307 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | 2308 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0); 2309 } 2310 2311 #if NMPU > 0 2312 /* 2313 * MIDI related routines. 2314 */ 2315 2316 int 2317 sbdsp_midi_open(addr, flags, iintr, ointr, arg) 2318 void *addr; 2319 int flags; 2320 void (*iintr)__P((void *, int)); 2321 void (*ointr)__P((void *)); 2322 void *arg; 2323 { 2324 struct sbdsp_softc *sc = addr; 2325 2326 DPRINTF(("sbdsp_midi_open: sc=%p\n", sc)); 2327 2328 if (sc->sc_open != SB_CLOSED) 2329 return EBUSY; 2330 if (sbdsp_reset(sc) != 0) 2331 return EIO; 2332 2333 sc->sc_open = SB_OPEN_MIDI; 2334 sc->sc_openflags = flags; 2335 2336 if (sc->sc_model >= SB_20) 2337 if (sbdsp_wdsp(sc, SB_MIDI_UART_INTR)) /* enter UART mode */ 2338 return EIO; 2339 2340 sc->sc_intr8 = sbdsp_midi_intr; 2341 sc->sc_intrm = iintr; 2342 sc->sc_argm = arg; 2343 2344 return 0; 2345 } 2346 2347 void 2348 sbdsp_midi_close(addr) 2349 void *addr; 2350 { 2351 struct sbdsp_softc *sc = addr; 2352 2353 DPRINTF(("sbdsp_midi_close: sc=%p\n", sc)); 2354 2355 if (sc->sc_model >= SB_20) 2356 sbdsp_reset(sc); /* exit UART mode */ 2357 2358 sc->sc_intrm = 0; 2359 sc->sc_open = SB_CLOSED; 2360 } 2361 2362 int 2363 sbdsp_midi_output(addr, d) 2364 void *addr; 2365 int d; 2366 { 2367 struct sbdsp_softc *sc = addr; 2368 2369 if (sc->sc_model < SB_20 && sbdsp_wdsp(sc, SB_MIDI_WRITE)) 2370 return EIO; 2371 if (sbdsp_wdsp(sc, d)) 2372 return EIO; 2373 return 0; 2374 } 2375 2376 void 2377 sbdsp_midi_getinfo(addr, mi) 2378 void *addr; 2379 struct midi_info *mi; 2380 { 2381 struct sbdsp_softc *sc = addr; 2382 2383 mi->name = sc->sc_model < SB_20 ? "SB MIDI cmd" : "SB MIDI UART"; 2384 mi->props = MIDI_PROP_CAN_INPUT; 2385 } 2386 2387 int 2388 sbdsp_midi_intr(addr) 2389 void *addr; 2390 { 2391 struct sbdsp_softc *sc = addr; 2392 2393 sc->sc_intrm(sc->sc_argm, sbdsp_rdsp(sc)); 2394 return (0); 2395 } 2396 2397 #endif 2398 2399
Indexes created Sun Sep 28 12:09:53 GMT 2025