sbdsp.c revision 1.130
1 /* $NetBSD: sbdsp.c,v 1.130 2008/04/11 13:00:47 cegger 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 <sys/cdefs.h> 84 __KERNEL_RCSID(0, "$NetBSD: sbdsp.c,v 1.130 2008/04/11 13:00:47 cegger Exp $"); 85 86 #include "midi.h" 87 #include "mpu.h" 88 89 #include <sys/param.h> 90 #include <sys/systm.h> 91 #include <sys/kernel.h> 92 #include <sys/errno.h> 93 #include <sys/ioctl.h> 94 #include <sys/syslog.h> 95 #include <sys/device.h> 96 #include <sys/proc.h> 97 #include <sys/buf.h> 98 99 #include <sys/cpu.h> 100 #include <sys/intr.h> 101 #include <sys/bus.h> 102 103 #include <sys/audioio.h> 104 #include <dev/audio_if.h> 105 #include <dev/midi_if.h> 106 #include <dev/mulaw.h> 107 #include <dev/auconv.h> 108 109 #include <dev/isa/isavar.h> 110 #include <dev/isa/isadmavar.h> 111 112 #include <dev/isa/sbreg.h> 113 #include <dev/isa/sbdspvar.h> 114 115 116 #ifdef AUDIO_DEBUG 117 #define DPRINTF(x) if (sbdspdebug) printf x 118 #define DPRINTFN(n,x) if (sbdspdebug >= (n)) printf x 119 int sbdspdebug = 0; 120 #else 121 #define DPRINTF(x) 122 #define DPRINTFN(n,x) 123 #endif 124 125 #ifndef SBDSP_NPOLL 126 #define SBDSP_NPOLL 3000 127 #endif 128 129 struct { 130 int wdsp; 131 int rdsp; 132 int wmidi; 133 } sberr; 134 135 /* 136 * Time constant routines follow. See SBK, section 12. 137 * Although they don't come out and say it (in the docs), 138 * the card clearly uses a 1MHz countdown timer, as the 139 * low-speed formula (p. 12-4) is: 140 * tc = 256 - 10^6 / sr 141 * In high-speed mode, the constant is the upper byte of a 16-bit counter, 142 * and a 256MHz clock is used: 143 * tc = 65536 - 256 * 10^ 6 / sr 144 * Since we can only use the upper byte of the HS TC, the two formulae 145 * are equivalent. (Why didn't they say so?) E.g., 146 * (65536 - 256 * 10 ^ 6 / x) >> 8 = 256 - 10^6 / x 147 * 148 * The crossover point (from low- to high-speed modes) is different 149 * for the SBPRO and SB20. The table on p. 12-5 gives the following data: 150 * 151 * SBPRO SB20 152 * ----- -------- 153 * input ls min 4 kHz 4 kHz 154 * input ls max 23 kHz 13 kHz 155 * input hs max 44.1 kHz 15 kHz 156 * output ls min 4 kHz 4 kHz 157 * output ls max 23 kHz 23 kHz 158 * output hs max 44.1 kHz 44.1 kHz 159 */ 160 /* XXX Should we round the tc? 161 #define SB_RATE_TO_TC(x) (((65536 - 256 * 1000000 / (x)) + 128) >> 8) 162 */ 163 #define SB_RATE_TO_TC(x) (256 - 1000000 / (x)) 164 #define SB_TC_TO_RATE(tc) (1000000 / (256 - (tc))) 165 166 struct sbmode { 167 short model; 168 u_char channels; 169 u_char precision; 170 u_short lowrate, highrate; 171 u_char cmd; 172 u_char halt, cont; 173 u_char cmdchan; 174 }; 175 static struct sbmode sbpmodes[] = { 176 { SB_1, 1, 8, 4000,22727,SB_DSP_WDMA ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 177 { SB_20, 1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 178 { SB_2x, 1, 8,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 179 { SB_2x, 1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 180 { SB_PRO, 1, 8,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 181 { SB_PRO, 1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 182 { SB_PRO, 2, 8,11025,22727,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 183 /* Yes, we write the record mode to set 16-bit playback mode. weird, huh? */ 184 { SB_JAZZ,1, 8,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 185 { SB_JAZZ,1, 8, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 186 { SB_JAZZ,2, 8,11025,22727,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_STEREO }, 187 { SB_JAZZ,1,16,22727,45454,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 188 { SB_JAZZ,1,16, 4000,22727,SB_DSP_WDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 189 { SB_JAZZ,2,16,11025,22727,SB_DSP_HS_OUTPUT,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_STEREO }, 190 { SB_16, 1, 8, 5000,49000,SB_DSP16_WDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 191 { SB_16, 2, 8, 5000,49000,SB_DSP16_WDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 192 #define PLAY16 15 /* must be the index of the next entry in the table */ 193 { SB_16, 1,16, 5000,49000,SB_DSP16_WDMA_16,SB_DSP16_HALT,SB_DSP16_CONT, 0, }, 194 { SB_16, 2,16, 5000,49000,SB_DSP16_WDMA_16,SB_DSP16_HALT,SB_DSP16_CONT, 0, }, 195 { .model = -1 } 196 }; 197 static struct sbmode sbrmodes[] = { 198 { SB_1, 1, 8, 4000,12987,SB_DSP_RDMA ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 199 { SB_20, 1, 8, 4000,12987,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 200 { SB_2x, 1, 8,12987,14925,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 201 { SB_2x, 1, 8, 4000,12987,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 202 { SB_PRO, 1, 8,22727,45454,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 203 { SB_PRO, 1, 8, 4000,22727,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 204 { SB_PRO, 2, 8,11025,22727,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_STEREO }, 205 { SB_JAZZ,1, 8,22727,45454,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 206 { SB_JAZZ,1, 8, 4000,22727,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_MONO }, 207 { SB_JAZZ,2, 8,11025,22727,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,SB_DSP_RECORD_STEREO }, 208 { SB_JAZZ,1,16,22727,45454,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 209 { SB_JAZZ,1,16, 4000,22727,SB_DSP_RDMA_LOOP,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_MONO }, 210 { SB_JAZZ,2,16,11025,22727,SB_DSP_HS_INPUT ,SB_DSP_HALT ,SB_DSP_CONT ,JAZZ16_RECORD_STEREO }, 211 { SB_16, 1, 8, 5000,49000,SB_DSP16_RDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 212 { SB_16, 2, 8, 5000,49000,SB_DSP16_RDMA_8 ,SB_DSP_HALT ,SB_DSP_CONT, 0, }, 213 { SB_16, 1,16, 5000,49000,SB_DSP16_RDMA_16,SB_DSP16_HALT,SB_DSP16_CONT, 0, }, 214 { SB_16, 2,16, 5000,49000,SB_DSP16_RDMA_16,SB_DSP16_HALT,SB_DSP16_CONT, 0, }, 215 { .model = -1 } 216 }; 217 218 void sbversion(struct sbdsp_softc *); 219 void sbdsp_jazz16_probe(struct sbdsp_softc *); 220 void sbdsp_set_mixer_gain(struct sbdsp_softc *, int); 221 void sbdsp_pause(struct sbdsp_softc *); 222 int sbdsp_set_timeconst(struct sbdsp_softc *, int); 223 int sbdsp16_set_rate(struct sbdsp_softc *, int, int); 224 int sbdsp_set_in_ports(struct sbdsp_softc *, int); 225 void sbdsp_set_ifilter(void *, int); 226 int sbdsp_get_ifilter(void *); 227 228 int sbdsp_block_output(void *); 229 int sbdsp_block_input(void *); 230 static int sbdsp_adjust(int, int); 231 232 int sbdsp_midi_intr(void *); 233 234 static bool sbdsp_resume(device_t PMF_FN_PROTO); 235 236 #ifdef AUDIO_DEBUG 237 void sb_printsc(struct sbdsp_softc *); 238 239 void 240 sb_printsc(struct sbdsp_softc *sc) 241 { 242 int i; 243 244 printf("open %d DMA chan %d/%d %d/%d iobase 0x%x irq %d\n", 245 (int)sc->sc_open, sc->sc_i.run, sc->sc_o.run, 246 sc->sc_drq8, sc->sc_drq16, 247 sc->sc_iobase, sc->sc_irq); 248 printf("irate %d itc %x orate %d otc %x\n", 249 sc->sc_i.rate, sc->sc_i.tc, 250 sc->sc_o.rate, sc->sc_o.tc); 251 printf("spkron %u nintr %lu\n", 252 sc->spkr_state, sc->sc_interrupts); 253 printf("intr8 %p intr16 %p\n", 254 sc->sc_intr8, sc->sc_intr16); 255 printf("gain:"); 256 for (i = 0; i < SB_NDEVS; i++) 257 printf(" %u,%u", sc->gain[i][SB_LEFT], sc->gain[i][SB_RIGHT]); 258 printf("\n"); 259 } 260 #endif /* AUDIO_DEBUG */ 261 262 /* 263 * Probe / attach routines. 264 */ 265 266 /* 267 * Probe for the soundblaster hardware. 268 */ 269 int 270 sbdsp_probe(struct sbdsp_softc *sc, cfdata_t match) 271 { 272 273 if (sbdsp_reset(sc) < 0) { 274 DPRINTF(("sbdsp: couldn't reset card\n")); 275 return 0; 276 } 277 /* if flags set, go and probe the jazz16 stuff */ 278 if (match->cf_flags & 1) 279 sbdsp_jazz16_probe(sc); 280 else 281 sbversion(sc); 282 if (sc->sc_model == SB_UNK) { 283 /* Unknown SB model found. */ 284 DPRINTF(("sbdsp: unknown SB model found\n")); 285 return 0; 286 } 287 return 1; 288 } 289 290 /* 291 * Try add-on stuff for Jazz16. 292 */ 293 void 294 sbdsp_jazz16_probe(struct sbdsp_softc *sc) 295 { 296 static u_char jazz16_irq_conf[16] = { 297 -1, -1, 0x02, 0x03, 298 -1, 0x01, -1, 0x04, 299 -1, 0x02, 0x05, -1, 300 -1, -1, -1, 0x06}; 301 static u_char jazz16_drq_conf[8] = { 302 -1, 0x01, -1, 0x02, 303 -1, 0x03, -1, 0x04}; 304 305 bus_space_tag_t iot; 306 bus_space_handle_t ioh; 307 308 iot = sc->sc_iot; 309 sbversion(sc); 310 311 DPRINTF(("jazz16 probe\n")); 312 313 if (bus_space_map(iot, JAZZ16_CONFIG_PORT, 1, 0, &ioh)) { 314 DPRINTF(("bus map failed\n")); 315 return; 316 } 317 318 if (jazz16_drq_conf[sc->sc_drq8] == (u_char)-1 || 319 jazz16_irq_conf[sc->sc_irq] == (u_char)-1) { 320 DPRINTF(("drq/irq check failed\n")); 321 goto done; /* give up, we can't do it. */ 322 } 323 324 bus_space_write_1(iot, ioh, 0, JAZZ16_WAKEUP); 325 delay(10000); /* delay 10 ms */ 326 bus_space_write_1(iot, ioh, 0, JAZZ16_SETBASE); 327 bus_space_write_1(iot, ioh, 0, sc->sc_iobase & 0x70); 328 329 if (sbdsp_reset(sc) < 0) { 330 DPRINTF(("sbdsp_reset check failed\n")); 331 goto done; /* XXX? what else could we do? */ 332 } 333 334 if (sbdsp_wdsp(sc, JAZZ16_READ_VER)) { 335 DPRINTF(("read16 setup failed\n")); 336 goto done; 337 } 338 339 if (sbdsp_rdsp(sc) != JAZZ16_VER_JAZZ) { 340 DPRINTF(("read16 failed\n")); 341 goto done; 342 } 343 344 /* XXX set both 8 & 16-bit drq to same channel, it works fine. */ 345 sc->sc_drq16 = sc->sc_drq8; 346 if (sbdsp_wdsp(sc, JAZZ16_SET_DMAINTR) || 347 (sc->sc_drq16 >= 0 && 348 sbdsp_wdsp(sc, (jazz16_drq_conf[sc->sc_drq16] << 4) | 349 jazz16_drq_conf[sc->sc_drq8])) || 350 sbdsp_wdsp(sc, jazz16_irq_conf[sc->sc_irq])) { 351 DPRINTF(("sbdsp: can't write jazz16 probe stuff\n")); 352 } else { 353 DPRINTF(("jazz16 detected!\n")); 354 sc->sc_model = SB_JAZZ; 355 sc->sc_mixer_model = SBM_CT1345; /* XXX really? */ 356 } 357 358 done: 359 bus_space_unmap(iot, ioh, 1); 360 } 361 362 /* 363 * Attach hardware to driver, attach hardware driver to audio 364 * pseudo-device driver . 365 */ 366 void 367 sbdsp_attach(struct sbdsp_softc *sc) 368 { 369 int i, error; 370 u_int v; 371 372 sbdsp_set_in_ports(sc, 1 << SB_MIC_VOL); 373 374 if (sc->sc_mixer_model != SBM_NONE) { 375 /* Reset the mixer.*/ 376 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 377 /* And set our own default values */ 378 for (i = 0; i < SB_NDEVS; i++) { 379 switch(i) { 380 case SB_MIC_VOL: 381 case SB_LINE_IN_VOL: 382 v = 0; 383 break; 384 case SB_BASS: 385 case SB_TREBLE: 386 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2); 387 break; 388 case SB_CD_IN_MUTE: 389 case SB_MIC_IN_MUTE: 390 case SB_LINE_IN_MUTE: 391 case SB_MIDI_IN_MUTE: 392 case SB_CD_SWAP: 393 case SB_MIC_SWAP: 394 case SB_LINE_SWAP: 395 case SB_MIDI_SWAP: 396 case SB_CD_OUT_MUTE: 397 case SB_MIC_OUT_MUTE: 398 case SB_LINE_OUT_MUTE: 399 v = 0; 400 break; 401 default: 402 v = SB_ADJUST_GAIN(sc, AUDIO_MAX_GAIN / 2); 403 break; 404 } 405 sc->gain[i][SB_LEFT] = sc->gain[i][SB_RIGHT] = v; 406 sbdsp_set_mixer_gain(sc, i); 407 } 408 sc->in_filter = 0; /* no filters turned on, please */ 409 } 410 411 printf(": dsp v%d.%02d%s\n", 412 SBVER_MAJOR(sc->sc_version), SBVER_MINOR(sc->sc_version), 413 sc->sc_model == SB_JAZZ ? ": <Jazz16>" : ""); 414 415 sc->sc_fullduplex = ISSB16CLASS(sc) && 416 sc->sc_drq8 != -1 && sc->sc_drq16 != -1 && 417 sc->sc_drq8 != sc->sc_drq16; 418 419 if (sc->sc_drq8 != -1) { 420 sc->sc_drq8_maxsize = isa_dmamaxsize(sc->sc_ic, 421 sc->sc_drq8); 422 error = isa_dmamap_create(sc->sc_ic, sc->sc_drq8, 423 sc->sc_drq8_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW); 424 if (error) { 425 aprint_error_dev(sc->sc_dev, 426 "can't create map for drq %d\n", sc->sc_drq8); 427 return; 428 } 429 } 430 431 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) { 432 sc->sc_drq16_maxsize = isa_dmamaxsize(sc->sc_ic, 433 sc->sc_drq16); 434 error = isa_dmamap_create(sc->sc_ic, sc->sc_drq16, 435 sc->sc_drq16_maxsize, BUS_DMA_NOWAIT|BUS_DMA_ALLOCNOW); 436 if (error) { 437 aprint_error_dev(sc->sc_dev, 438 "can't create map for drq %d\n", sc->sc_drq16); 439 isa_dmamap_destroy(sc->sc_ic, sc->sc_drq8); 440 return; 441 } 442 } 443 444 if (!pmf_device_register(sc->sc_dev, NULL, sbdsp_resume)) 445 aprint_error_dev(sc->sc_dev, "couldn't establish power handler\n"); 446 } 447 448 static bool 449 sbdsp_resume(device_t dv PMF_FN_ARGS) 450 { 451 struct sbdsp_softc *sc = device_private(dv); 452 453 /* Reset the mixer. */ 454 sbdsp_mix_write(sc, SBP_MIX_RESET, SBP_MIX_RESET); 455 456 return true; 457 } 458 459 void 460 sbdsp_mix_write(struct sbdsp_softc *sc, int mixerport, int val) 461 { 462 bus_space_tag_t iot; 463 bus_space_handle_t ioh; 464 int s; 465 466 iot = sc->sc_iot; 467 ioh = sc->sc_ioh; 468 s = splaudio(); 469 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 470 delay(20); 471 bus_space_write_1(iot, ioh, SBP_MIXER_DATA, val); 472 delay(30); 473 splx(s); 474 } 475 476 int 477 sbdsp_mix_read(struct sbdsp_softc *sc, int mixerport) 478 { 479 bus_space_tag_t iot; 480 bus_space_handle_t ioh; 481 int val; 482 int s; 483 484 iot = sc->sc_iot; 485 ioh = sc->sc_ioh; 486 s = splaudio(); 487 bus_space_write_1(iot, ioh, SBP_MIXER_ADDR, mixerport); 488 delay(20); 489 val = bus_space_read_1(iot, ioh, SBP_MIXER_DATA); 490 delay(30); 491 splx(s); 492 return val; 493 } 494 495 /* 496 * Various routines to interface to higher level audio driver 497 */ 498 499 int 500 sbdsp_query_encoding(void *addr, struct audio_encoding *fp) 501 { 502 struct sbdsp_softc *sc; 503 int emul; 504 505 sc = addr; 506 emul = ISSB16CLASS(sc) ? 0 : AUDIO_ENCODINGFLAG_EMULATED; 507 508 switch (fp->index) { 509 case 0: 510 strcpy(fp->name, AudioEulinear); 511 fp->encoding = AUDIO_ENCODING_ULINEAR; 512 fp->precision = 8; 513 fp->flags = 0; 514 return 0; 515 case 1: 516 strcpy(fp->name, AudioEmulaw); 517 fp->encoding = AUDIO_ENCODING_ULAW; 518 fp->precision = 8; 519 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 520 return 0; 521 case 2: 522 strcpy(fp->name, AudioEalaw); 523 fp->encoding = AUDIO_ENCODING_ALAW; 524 fp->precision = 8; 525 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 526 return 0; 527 case 3: 528 strcpy(fp->name, AudioEslinear); 529 fp->encoding = AUDIO_ENCODING_SLINEAR; 530 fp->precision = 8; 531 fp->flags = emul; 532 return 0; 533 } 534 if (!ISSB16CLASS(sc) && sc->sc_model != SB_JAZZ) 535 return EINVAL; 536 537 switch(fp->index) { 538 case 4: 539 strcpy(fp->name, AudioEslinear_le); 540 fp->encoding = AUDIO_ENCODING_SLINEAR_LE; 541 fp->precision = 16; 542 fp->flags = 0; 543 return 0; 544 case 5: 545 strcpy(fp->name, AudioEulinear_le); 546 fp->encoding = AUDIO_ENCODING_ULINEAR_LE; 547 fp->precision = 16; 548 fp->flags = emul; 549 return 0; 550 case 6: 551 strcpy(fp->name, AudioEslinear_be); 552 fp->encoding = AUDIO_ENCODING_SLINEAR_BE; 553 fp->precision = 16; 554 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 555 return 0; 556 case 7: 557 strcpy(fp->name, AudioEulinear_be); 558 fp->encoding = AUDIO_ENCODING_ULINEAR_BE; 559 fp->precision = 16; 560 fp->flags = AUDIO_ENCODINGFLAG_EMULATED; 561 return 0; 562 default: 563 return EINVAL; 564 } 565 return 0; 566 } 567 568 int 569 sbdsp_set_params( 570 void *addr, 571 int setmode, int usemode, 572 audio_params_t *play, audio_params_t *rec, 573 stream_filter_list_t *pfil, stream_filter_list_t *rfil) 574 { 575 struct sbdsp_softc *sc; 576 struct sbmode *m; 577 u_int rate, tc, bmode; 578 stream_filter_factory_t *swcode; 579 int model; 580 int chan; 581 struct audio_params *p; 582 audio_params_t hw; 583 stream_filter_list_t *fil; 584 int mode; 585 586 sc = addr; 587 if (sc->sc_open == SB_OPEN_MIDI) 588 return EBUSY; 589 590 /* Later models work like SB16. */ 591 model = min(sc->sc_model, SB_16); 592 593 /* 594 * Prior to the SB16, we have only one clock, so make the sample 595 * rates match. 596 */ 597 if (!ISSB16CLASS(sc) && 598 play->sample_rate != rec->sample_rate && 599 usemode == (AUMODE_PLAY | AUMODE_RECORD)) { 600 if (setmode == AUMODE_PLAY) { 601 rec->sample_rate = play->sample_rate; 602 setmode |= AUMODE_RECORD; 603 } else if (setmode == AUMODE_RECORD) { 604 play->sample_rate = rec->sample_rate; 605 setmode |= AUMODE_PLAY; 606 } else 607 return EINVAL; 608 } 609 610 /* Set first record info, then play info */ 611 for (mode = AUMODE_RECORD; mode != -1; 612 mode = mode == AUMODE_RECORD ? AUMODE_PLAY : -1) { 613 if ((setmode & mode) == 0) 614 continue; 615 616 p = mode == AUMODE_PLAY ? play : rec; 617 /* Locate proper commands */ 618 for (m = mode == AUMODE_PLAY ? sbpmodes : sbrmodes; 619 m->model != -1; m++) { 620 if (model == m->model && 621 p->channels == m->channels && 622 p->precision == m->precision && 623 p->sample_rate >= m->lowrate && 624 p->sample_rate <= m->highrate) 625 break; 626 } 627 if (m->model == -1) 628 return EINVAL; 629 rate = p->sample_rate; 630 swcode = NULL; 631 fil = mode == AUMODE_PLAY ? pfil : rfil; 632 hw = *p; 633 tc = 1; 634 bmode = -1; 635 if (model == SB_16) { 636 switch (p->encoding) { 637 case AUDIO_ENCODING_SLINEAR_BE: 638 if (p->precision == 16) { 639 hw.encoding = AUDIO_ENCODING_SLINEAR_LE; 640 swcode = swap_bytes; 641 } 642 /* fall into */ 643 case AUDIO_ENCODING_SLINEAR_LE: 644 bmode = SB_BMODE_SIGNED; 645 break; 646 647 case AUDIO_ENCODING_ULINEAR_BE: 648 if (p->precision == 16) { 649 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 650 swcode = swap_bytes; 651 } 652 /* fall into */ 653 case AUDIO_ENCODING_ULINEAR_LE: 654 bmode = SB_BMODE_UNSIGNED; 655 break; 656 657 case AUDIO_ENCODING_ULAW: 658 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 659 if (mode == AUMODE_PLAY) { 660 hw.precision = hw.validbits = 16; 661 swcode = mulaw_to_linear16; 662 m = &sbpmodes[PLAY16]; 663 } else 664 swcode = linear8_to_mulaw; 665 bmode = SB_BMODE_UNSIGNED; 666 break; 667 668 case AUDIO_ENCODING_ALAW: 669 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 670 if (mode == AUMODE_PLAY) { 671 hw.precision = hw.validbits = 16; 672 swcode = alaw_to_linear16; 673 m = &sbpmodes[PLAY16]; 674 } else 675 swcode = linear8_to_alaw; 676 bmode = SB_BMODE_UNSIGNED; 677 break; 678 default: 679 return EINVAL; 680 } 681 if (p->channels == 2) 682 bmode |= SB_BMODE_STEREO; 683 } else if (m->model == SB_JAZZ && m->precision == 16) { 684 switch (p->encoding) { 685 case AUDIO_ENCODING_SLINEAR_LE: 686 break; 687 case AUDIO_ENCODING_ULINEAR_LE: 688 hw.encoding = AUDIO_ENCODING_SLINEAR_LE; 689 swcode = change_sign16; 690 break; 691 case AUDIO_ENCODING_SLINEAR_BE: 692 hw.encoding = AUDIO_ENCODING_SLINEAR_LE; 693 swcode = swap_bytes; 694 break; 695 case AUDIO_ENCODING_ULINEAR_BE: 696 hw.encoding = AUDIO_ENCODING_SLINEAR_LE; 697 swcode = swap_bytes_change_sign16; 698 break; 699 case AUDIO_ENCODING_ULAW: 700 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 701 swcode = mode == AUMODE_PLAY ? 702 mulaw_to_linear8 : linear8_to_mulaw; 703 break; 704 case AUDIO_ENCODING_ALAW: 705 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 706 swcode = mode == AUMODE_PLAY ? 707 alaw_to_linear8 : linear8_to_alaw; 708 break; 709 default: 710 return EINVAL; 711 } 712 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 713 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 714 hw.sample_rate = p->sample_rate; 715 } else { 716 switch (p->encoding) { 717 case AUDIO_ENCODING_SLINEAR_BE: 718 case AUDIO_ENCODING_SLINEAR_LE: 719 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 720 swcode = change_sign8; 721 break; 722 case AUDIO_ENCODING_ULINEAR_BE: 723 case AUDIO_ENCODING_ULINEAR_LE: 724 break; 725 case AUDIO_ENCODING_ULAW: 726 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 727 swcode = mode == AUMODE_PLAY ? 728 mulaw_to_linear8 : linear8_to_mulaw; 729 break; 730 case AUDIO_ENCODING_ALAW: 731 hw.encoding = AUDIO_ENCODING_ULINEAR_LE; 732 swcode = mode == AUMODE_PLAY ? 733 alaw_to_linear8 : linear8_to_alaw; 734 break; 735 default: 736 return EINVAL; 737 } 738 tc = SB_RATE_TO_TC(p->sample_rate * p->channels); 739 p->sample_rate = SB_TC_TO_RATE(tc) / p->channels; 740 hw.sample_rate = p->sample_rate; 741 } 742 743 chan = m->precision == 16 ? sc->sc_drq16 : sc->sc_drq8; 744 if (mode == AUMODE_PLAY) { 745 sc->sc_o.rate = rate; 746 sc->sc_o.tc = tc; 747 sc->sc_o.modep = m; 748 sc->sc_o.bmode = bmode; 749 sc->sc_o.dmachan = chan; 750 } else { 751 sc->sc_i.rate = rate; 752 sc->sc_i.tc = tc; 753 sc->sc_i.modep = m; 754 sc->sc_i.bmode = bmode; 755 sc->sc_i.dmachan = chan; 756 } 757 758 if (swcode != NULL) 759 fil->append(fil, swcode, &hw); 760 DPRINTF(("sbdsp_set_params: model=%d, mode=%d, rate=%u, " 761 "prec=%d, chan=%d, enc=%d -> tc=%02x, cmd=%02x, " 762 "bmode=%02x, cmdchan=%02x\n", sc->sc_model, mode, 763 p->sample_rate, p->precision, p->channels, 764 p->encoding, tc, m->cmd, bmode, m->cmdchan)); 765 766 } 767 768 if (sc->sc_fullduplex && 769 usemode == (AUMODE_PLAY | AUMODE_RECORD) && 770 sc->sc_i.dmachan == sc->sc_o.dmachan) { 771 DPRINTF(("sbdsp_set_params: fd=%d, usemode=%d, idma=%d, " 772 "odma=%d\n", sc->sc_fullduplex, usemode, 773 sc->sc_i.dmachan, sc->sc_o.dmachan)); 774 if (sc->sc_o.dmachan == sc->sc_drq8) { 775 /* Use 16 bit DMA for playing by expanding the samples. */ 776 hw.precision = hw.validbits = 16; 777 pfil->append(pfil, linear8_to_linear16, &hw); 778 sc->sc_o.modep = &sbpmodes[PLAY16]; 779 sc->sc_o.dmachan = sc->sc_drq16; 780 } else { 781 return EINVAL; 782 } 783 } 784 DPRINTF(("sbdsp_set_params ichan=%d, ochan=%d\n", 785 sc->sc_i.dmachan, sc->sc_o.dmachan)); 786 787 return 0; 788 } 789 790 void 791 sbdsp_set_ifilter(void *addr, int which) 792 { 793 struct sbdsp_softc *sc; 794 int mixval; 795 796 sc = addr; 797 mixval = sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK; 798 switch (which) { 799 case 0: 800 mixval |= SBP_FILTER_OFF; 801 break; 802 case SB_TREBLE: 803 mixval |= SBP_FILTER_ON | SBP_IFILTER_HIGH; 804 break; 805 case SB_BASS: 806 mixval |= SBP_FILTER_ON | SBP_IFILTER_LOW; 807 break; 808 default: 809 return; 810 } 811 sc->in_filter = mixval & SBP_IFILTER_MASK; 812 sbdsp_mix_write(sc, SBP_INFILTER, mixval); 813 } 814 815 int 816 sbdsp_get_ifilter(void *addr) 817 { 818 struct sbdsp_softc *sc; 819 820 sc = addr; 821 sc->in_filter = 822 sbdsp_mix_read(sc, SBP_INFILTER) & SBP_IFILTER_MASK; 823 switch (sc->in_filter) { 824 case SBP_FILTER_ON|SBP_IFILTER_HIGH: 825 return SB_TREBLE; 826 case SBP_FILTER_ON|SBP_IFILTER_LOW: 827 return SB_BASS; 828 default: 829 return 0; 830 } 831 } 832 833 int 834 sbdsp_set_in_ports(struct sbdsp_softc *sc, int mask) 835 { 836 int bitsl, bitsr; 837 int sbport; 838 839 if (sc->sc_open == SB_OPEN_MIDI) 840 return EBUSY; 841 842 DPRINTF(("sbdsp_set_in_ports: model=%d, mask=%x\n", 843 sc->sc_mixer_model, mask)); 844 845 switch(sc->sc_mixer_model) { 846 case SBM_NONE: 847 return EINVAL; 848 case SBM_CT1335: 849 if (mask != (1 << SB_MIC_VOL)) 850 return EINVAL; 851 break; 852 case SBM_CT1345: 853 switch (mask) { 854 case 1 << SB_MIC_VOL: 855 sbport = SBP_FROM_MIC; 856 break; 857 case 1 << SB_LINE_IN_VOL: 858 sbport = SBP_FROM_LINE; 859 break; 860 case 1 << SB_CD_VOL: 861 sbport = SBP_FROM_CD; 862 break; 863 default: 864 return EINVAL; 865 } 866 sbdsp_mix_write(sc, SBP_RECORD_SOURCE, sbport | sc->in_filter); 867 break; 868 case SBM_CT1XX5: 869 case SBM_CT1745: 870 if (mask & ~((1<<SB_MIDI_VOL) | (1<<SB_LINE_IN_VOL) | 871 (1<<SB_CD_VOL) | (1<<SB_MIC_VOL))) 872 return EINVAL; 873 bitsr = 0; 874 if (mask & (1<<SB_MIDI_VOL)) bitsr |= SBP_MIDI_SRC_R; 875 if (mask & (1<<SB_LINE_IN_VOL)) bitsr |= SBP_LINE_SRC_R; 876 if (mask & (1<<SB_CD_VOL)) bitsr |= SBP_CD_SRC_R; 877 bitsl = SB_SRC_R_TO_L(bitsr); 878 if (mask & (1<<SB_MIC_VOL)) { 879 bitsl |= SBP_MIC_SRC; 880 bitsr |= SBP_MIC_SRC; 881 } 882 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_L, bitsl); 883 sbdsp_mix_write(sc, SBP_RECORD_SOURCE_R, bitsr); 884 break; 885 } 886 sc->in_mask = mask; 887 888 return 0; 889 } 890 891 int 892 sbdsp_speaker_ctl(void *addr, int newstate) 893 { 894 struct sbdsp_softc *sc; 895 896 sc = addr; 897 if (sc->sc_open == SB_OPEN_MIDI) 898 return EBUSY; 899 900 if ((newstate == SPKR_ON) && 901 (sc->spkr_state == SPKR_OFF)) { 902 sbdsp_spkron(sc); 903 sc->spkr_state = SPKR_ON; 904 } 905 if ((newstate == SPKR_OFF) && 906 (sc->spkr_state == SPKR_ON)) { 907 sbdsp_spkroff(sc); 908 sc->spkr_state = SPKR_OFF; 909 } 910 return 0; 911 } 912 913 int 914 sbdsp_round_blocksize(void *addr, int blk, int mode, 915 const audio_params_t *param) 916 { 917 return blk & -4; /* round to biggest sample size */ 918 } 919 920 int 921 sbdsp_open(void *addr, int flags) 922 { 923 struct sbdsp_softc *sc; 924 int error, state; 925 926 sc = addr; 927 DPRINTF(("sbdsp_open: sc=%p\n", sc)); 928 929 if (sc->sc_open != SB_CLOSED) 930 return EBUSY; 931 sc->sc_open = SB_OPEN_AUDIO; 932 state = 0; 933 934 if (sc->sc_drq8 != -1) { 935 error = isa_drq_alloc(sc->sc_ic, sc->sc_drq8); 936 if (error != 0) 937 goto bad; 938 state |= 1; 939 } 940 941 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) { 942 error = isa_drq_alloc(sc->sc_ic, sc->sc_drq16); 943 if (error != 0) 944 goto bad; 945 state |= 2; 946 } 947 948 949 if (sbdsp_reset(sc) != 0) { 950 error = EIO; 951 goto bad; 952 } 953 954 if (ISSBPRO(sc) && 955 sbdsp_wdsp(sc, SB_DSP_RECORD_MONO) < 0) { 956 DPRINTF(("sbdsp_open: can't set mono mode\n")); 957 /* we'll readjust when it's time for DMA. */ 958 } 959 960 /* 961 * Leave most things as they were; users must change things if 962 * the previous process didn't leave it they way they wanted. 963 * Looked at another way, it's easy to set up a configuration 964 * in one program and leave it for another to inherit. 965 */ 966 DPRINTF(("sbdsp_open: opened\n")); 967 968 return 0; 969 970 bad: 971 if (state & 1) 972 isa_drq_free(sc->sc_ic, sc->sc_drq8); 973 if (state & 2) 974 isa_drq_free(sc->sc_ic, sc->sc_drq16); 975 976 sc->sc_open = SB_CLOSED; 977 return error; 978 } 979 980 void 981 sbdsp_close(void *addr) 982 { 983 struct sbdsp_softc *sc; 984 985 sc = addr; 986 DPRINTF(("sbdsp_close: sc=%p\n", sc)); 987 988 sbdsp_spkroff(sc); 989 sc->spkr_state = SPKR_OFF; 990 991 sc->sc_intr8 = 0; 992 sc->sc_intr16 = 0; 993 994 if (sc->sc_drq8 != -1) 995 isa_drq_free(sc->sc_ic, sc->sc_drq8); 996 if (sc->sc_drq16 != -1 && sc->sc_drq16 != sc->sc_drq8) 997 isa_drq_free(sc->sc_ic, sc->sc_drq16); 998 999 sc->sc_open = SB_CLOSED; 1000 DPRINTF(("sbdsp_close: closed\n")); 1001 } 1002 1003 /* 1004 * Lower-level routines 1005 */ 1006 1007 /* 1008 * Reset the card. 1009 * Return non-zero if the card isn't detected. 1010 */ 1011 int 1012 sbdsp_reset(struct sbdsp_softc *sc) 1013 { 1014 bus_space_tag_t iot; 1015 bus_space_handle_t ioh; 1016 1017 iot = sc->sc_iot; 1018 ioh = sc->sc_ioh; 1019 sc->sc_intr8 = 0; 1020 sc->sc_intr16 = 0; 1021 sc->sc_intrm = 0; 1022 1023 /* 1024 * See SBK, section 11.3. 1025 * We pulse a reset signal into the card. 1026 * Gee, what a brilliant hardware design. 1027 */ 1028 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 1); 1029 delay(10); 1030 bus_space_write_1(iot, ioh, SBP_DSP_RESET, 0); 1031 delay(30); 1032 if (sbdsp_rdsp(sc) != SB_MAGIC) 1033 return -1; 1034 1035 return 0; 1036 } 1037 1038 /* 1039 * Write a byte to the dsp. 1040 * We are at the mercy of the card as we use a 1041 * polling loop and wait until it can take the byte. 1042 */ 1043 int 1044 sbdsp_wdsp(struct sbdsp_softc *sc, int v) 1045 { 1046 bus_space_tag_t iot; 1047 bus_space_handle_t ioh; 1048 int i; 1049 u_char x; 1050 1051 iot = sc->sc_iot; 1052 ioh = sc->sc_ioh; 1053 for (i = SBDSP_NPOLL; --i >= 0; ) { 1054 x = bus_space_read_1(iot, ioh, SBP_DSP_WSTAT); 1055 delay(10); 1056 if ((x & SB_DSP_BUSY) == 0) { 1057 bus_space_write_1(iot, ioh, SBP_DSP_WRITE, v); 1058 delay(10); 1059 return 0; 1060 } 1061 } 1062 ++sberr.wdsp; 1063 return -1; 1064 } 1065 1066 /* 1067 * Read a byte from the DSP, using polling. 1068 */ 1069 int 1070 sbdsp_rdsp(struct sbdsp_softc *sc) 1071 { 1072 bus_space_tag_t iot; 1073 bus_space_handle_t ioh; 1074 int i; 1075 u_char x; 1076 1077 iot = sc->sc_iot; 1078 ioh = sc->sc_ioh; 1079 for (i = SBDSP_NPOLL; --i >= 0; ) { 1080 x = bus_space_read_1(iot, ioh, SBP_DSP_RSTAT); 1081 delay(10); 1082 if (x & SB_DSP_READY) { 1083 x = bus_space_read_1(iot, ioh, SBP_DSP_READ); 1084 delay(10); 1085 return x; 1086 } 1087 } 1088 ++sberr.rdsp; 1089 return -1; 1090 } 1091 1092 void 1093 sbdsp_pause(struct sbdsp_softc *sc) 1094 { 1095 1096 (void) tsleep(sbdsp_pause, PWAIT, "sbpause", hz / 8); 1097 } 1098 1099 /* 1100 * Turn on the speaker. The SBK documention says this operation 1101 * can take up to 1/10 of a second. Higher level layers should 1102 * probably let the task sleep for this amount of time after 1103 * calling here. Otherwise, things might not work (because 1104 * sbdsp_wdsp() and sbdsp_rdsp() will probably timeout.) 1105 * 1106 * These engineers had their heads up their ass when 1107 * they designed this card. 1108 */ 1109 void 1110 sbdsp_spkron(struct sbdsp_softc *sc) 1111 { 1112 1113 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_ON); 1114 sbdsp_pause(sc); 1115 } 1116 1117 /* 1118 * Turn off the speaker; see comment above. 1119 */ 1120 void 1121 sbdsp_spkroff(struct sbdsp_softc *sc) 1122 { 1123 1124 (void)sbdsp_wdsp(sc, SB_DSP_SPKR_OFF); 1125 sbdsp_pause(sc); 1126 } 1127 1128 /* 1129 * Read the version number out of the card. 1130 * Store version information in the softc. 1131 */ 1132 void 1133 sbversion(struct sbdsp_softc *sc) 1134 { 1135 int v; 1136 1137 sc->sc_model = SB_UNK; 1138 sc->sc_version = 0; 1139 if (sbdsp_wdsp(sc, SB_DSP_VERSION) < 0) 1140 return; 1141 v = sbdsp_rdsp(sc) << 8; 1142 v |= sbdsp_rdsp(sc); 1143 if (v < 0) 1144 return; 1145 sc->sc_version = v; 1146 switch(SBVER_MAJOR(v)) { 1147 case 1: 1148 sc->sc_mixer_model = SBM_NONE; 1149 sc->sc_model = SB_1; 1150 break; 1151 case 2: 1152 /* Some SB2 have a mixer, some don't. */ 1153 sbdsp_mix_write(sc, SBP_1335_MASTER_VOL, 0x04); 1154 sbdsp_mix_write(sc, SBP_1335_MIDI_VOL, 0x06); 1155 /* Check if we can read back the mixer values. */ 1156 if ((sbdsp_mix_read(sc, SBP_1335_MASTER_VOL) & 0x0e) == 0x04 && 1157 (sbdsp_mix_read(sc, SBP_1335_MIDI_VOL) & 0x0e) == 0x06) 1158 sc->sc_mixer_model = SBM_CT1335; 1159 else 1160 sc->sc_mixer_model = SBM_NONE; 1161 if (SBVER_MINOR(v) == 0) 1162 sc->sc_model = SB_20; 1163 else 1164 sc->sc_model = SB_2x; 1165 break; 1166 case 3: 1167 sc->sc_mixer_model = SBM_CT1345; 1168 sc->sc_model = SB_PRO; 1169 break; 1170 case 4: 1171 #if 0 1172 /* XXX This does not work */ 1173 /* Most SB16 have a tone controls, but some don't. */ 1174 sbdsp_mix_write(sc, SB16P_TREBLE_L, 0x80); 1175 /* Check if we can read back the mixer value. */ 1176 if ((sbdsp_mix_read(sc, SB16P_TREBLE_L) & 0xf0) == 0x80) 1177 sc->sc_mixer_model = SBM_CT1745; 1178 else 1179 sc->sc_mixer_model = SBM_CT1XX5; 1180 #else 1181 sc->sc_mixer_model = SBM_CT1745; 1182 #endif 1183 #if 0 1184 /* XXX figure out a good way of determining the model */ 1185 /* XXX what about SB_32 */ 1186 if (SBVER_MINOR(v) == 16) 1187 sc->sc_model = SB_64; 1188 else 1189 #endif 1190 sc->sc_model = SB_16; 1191 break; 1192 } 1193 } 1194 1195 int 1196 sbdsp_set_timeconst(struct sbdsp_softc *sc, int tc) 1197 { 1198 1199 DPRINTF(("sbdsp_set_timeconst: sc=%p tc=%d\n", sc, tc)); 1200 if (sbdsp_wdsp(sc, SB_DSP_TIMECONST) < 0 || 1201 sbdsp_wdsp(sc, tc) < 0) 1202 return EIO; 1203 return 0; 1204 } 1205 1206 int 1207 sbdsp16_set_rate(struct sbdsp_softc *sc, int cmd, int rate) 1208 { 1209 1210 DPRINTF(("sbdsp16_set_rate: sc=%p cmd=0x%02x rate=%d\n", sc, cmd, rate)); 1211 if (sbdsp_wdsp(sc, cmd) < 0 || 1212 sbdsp_wdsp(sc, rate >> 8) < 0 || 1213 sbdsp_wdsp(sc, rate) < 0) 1214 return EIO; 1215 return 0; 1216 } 1217 1218 int 1219 sbdsp_trigger_input( 1220 void *addr, 1221 void *start, void *end, 1222 int blksize, 1223 void (*intr)(void *), 1224 void *arg, 1225 const audio_params_t *param) 1226 { 1227 struct sbdsp_softc *sc; 1228 int stereo; 1229 int width; 1230 int filter; 1231 1232 sc = addr; 1233 stereo = param->channels == 2; 1234 width = param->precision; 1235 #ifdef DIAGNOSTIC 1236 if (stereo && (blksize & 1)) { 1237 DPRINTF(("stereo record odd bytes (%d)\n", blksize)); 1238 return EIO; 1239 } 1240 if (sc->sc_i.run != SB_NOTRUNNING) 1241 printf("sbdsp_trigger_input: already running\n"); 1242 #endif 1243 1244 sc->sc_intrr = intr; 1245 sc->sc_argr = arg; 1246 1247 if (width == 8) { 1248 #ifdef DIAGNOSTIC 1249 if (sc->sc_i.dmachan != sc->sc_drq8) { 1250 printf("sbdsp_trigger_input: width=%d bad chan %d\n", 1251 width, sc->sc_i.dmachan); 1252 return EIO; 1253 } 1254 #endif 1255 sc->sc_intr8 = sbdsp_block_input; 1256 } else { 1257 #ifdef DIAGNOSTIC 1258 if (sc->sc_i.dmachan != sc->sc_drq16) { 1259 printf("sbdsp_trigger_input: width=%d bad chan %d\n", 1260 width, sc->sc_i.dmachan); 1261 return EIO; 1262 } 1263 #endif 1264 sc->sc_intr16 = sbdsp_block_input; 1265 } 1266 1267 if ((sc->sc_model == SB_JAZZ) ? (sc->sc_i.dmachan > 3) : (width == 16)) 1268 blksize >>= 1; 1269 --blksize; 1270 sc->sc_i.blksize = blksize; 1271 1272 if (ISSBPRO(sc)) { 1273 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmdchan) < 0) 1274 return EIO; 1275 filter = stereo ? SBP_FILTER_OFF : sc->in_filter; 1276 sbdsp_mix_write(sc, SBP_INFILTER, 1277 (sbdsp_mix_read(sc, SBP_INFILTER) & ~SBP_IFILTER_MASK) | 1278 filter); 1279 } 1280 1281 if (ISSB16CLASS(sc)) { 1282 if (sbdsp16_set_rate(sc, SB_DSP16_INPUTRATE, sc->sc_i.rate)) { 1283 DPRINTF(("sbdsp_trigger_input: rate=%d set failed\n", 1284 sc->sc_i.rate)); 1285 return EIO; 1286 } 1287 } else { 1288 if (sbdsp_set_timeconst(sc, sc->sc_i.tc)) { 1289 DPRINTF(("sbdsp_trigger_input: tc=%d set failed\n", 1290 sc->sc_i.rate)); 1291 return EIO; 1292 } 1293 } 1294 1295 DPRINTF(("sbdsp: DMA start loop input start=%p end=%p chan=%d\n", 1296 start, end, sc->sc_i.dmachan)); 1297 isa_dmastart(sc->sc_ic, sc->sc_i.dmachan, start, 1298 (char *)end - (char *)start, NULL, 1299 DMAMODE_READ | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1300 1301 return sbdsp_block_input(addr); 1302 } 1303 1304 int 1305 sbdsp_block_input(void *addr) 1306 { 1307 struct sbdsp_softc *sc; 1308 int cc; 1309 1310 sc = addr; 1311 cc = sc->sc_i.blksize; 1312 DPRINTFN(2, ("sbdsp_block_input: sc=%p cc=%d\n", addr, cc)); 1313 1314 if (sc->sc_i.run != SB_NOTRUNNING) 1315 sc->sc_intrr(sc->sc_argr); 1316 1317 if (sc->sc_model == SB_1) { 1318 /* Non-looping mode, start DMA */ 1319 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0 || 1320 sbdsp_wdsp(sc, cc) < 0 || 1321 sbdsp_wdsp(sc, cc >> 8) < 0) { 1322 DPRINTF(("sbdsp_block_input: SB1 DMA start failed\n")); 1323 return EIO; 1324 } 1325 sc->sc_i.run = SB_RUNNING; 1326 } else if (sc->sc_i.run == SB_NOTRUNNING) { 1327 /* Initialize looping PCM */ 1328 if (ISSB16CLASS(sc)) { 1329 DPRINTFN(3, ("sbdsp16 input command cmd=0x%02x bmode=0x%02x cc=%d\n", 1330 sc->sc_i.modep->cmd, sc->sc_i.bmode, cc)); 1331 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0 || 1332 sbdsp_wdsp(sc, sc->sc_i.bmode) < 0 || 1333 sbdsp_wdsp(sc, cc) < 0 || 1334 sbdsp_wdsp(sc, cc >> 8) < 0) { 1335 DPRINTF(("sbdsp_block_input: SB16 DMA start failed\n")); 1336 return EIO; 1337 } 1338 } else { 1339 DPRINTF(("sbdsp_block_input: set blocksize=%d\n", cc)); 1340 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1341 sbdsp_wdsp(sc, cc) < 0 || 1342 sbdsp_wdsp(sc, cc >> 8) < 0) { 1343 DPRINTF(("sbdsp_block_input: SB2 DMA blocksize failed\n")); 1344 return EIO; 1345 } 1346 if (sbdsp_wdsp(sc, sc->sc_i.modep->cmd) < 0) { 1347 DPRINTF(("sbdsp_block_input: SB2 DMA start failed\n")); 1348 return EIO; 1349 } 1350 } 1351 sc->sc_i.run = SB_LOOPING; 1352 } 1353 1354 return 0; 1355 } 1356 1357 int 1358 sbdsp_trigger_output( 1359 void *addr, 1360 void *start, void *end, 1361 int blksize, 1362 void (*intr)(void *), 1363 void *arg, 1364 const audio_params_t *param) 1365 { 1366 struct sbdsp_softc *sc; 1367 int stereo; 1368 int width; 1369 int cmd; 1370 1371 sc = addr; 1372 stereo = param->channels == 2; 1373 width = param->precision; 1374 #ifdef DIAGNOSTIC 1375 if (stereo && (blksize & 1)) { 1376 DPRINTF(("stereo playback odd bytes (%d)\n", blksize)); 1377 return EIO; 1378 } 1379 if (sc->sc_o.run != SB_NOTRUNNING) 1380 printf("sbdsp_trigger_output: already running\n"); 1381 #endif 1382 1383 sc->sc_intrp = intr; 1384 sc->sc_argp = arg; 1385 1386 if (width == 8) { 1387 #ifdef DIAGNOSTIC 1388 if (sc->sc_o.dmachan != sc->sc_drq8) { 1389 printf("sbdsp_trigger_output: width=%d bad chan %d\n", 1390 width, sc->sc_o.dmachan); 1391 return EIO; 1392 } 1393 #endif 1394 sc->sc_intr8 = sbdsp_block_output; 1395 } else { 1396 #ifdef DIAGNOSTIC 1397 if (sc->sc_o.dmachan != sc->sc_drq16) { 1398 printf("sbdsp_trigger_output: width=%d bad chan %d\n", 1399 width, sc->sc_o.dmachan); 1400 return EIO; 1401 } 1402 #endif 1403 sc->sc_intr16 = sbdsp_block_output; 1404 } 1405 1406 if ((sc->sc_model == SB_JAZZ) ? (sc->sc_o.dmachan > 3) : (width == 16)) 1407 blksize >>= 1; 1408 --blksize; 1409 sc->sc_o.blksize = blksize; 1410 1411 if (ISSBPRO(sc)) { 1412 /* make sure we re-set stereo mixer bit when we start output. */ 1413 sbdsp_mix_write(sc, SBP_STEREO, 1414 (sbdsp_mix_read(sc, SBP_STEREO) & ~SBP_PLAYMODE_MASK) | 1415 (stereo ? SBP_PLAYMODE_STEREO : SBP_PLAYMODE_MONO)); 1416 cmd = sc->sc_o.modep->cmdchan; 1417 if (cmd && sbdsp_wdsp(sc, cmd) < 0) 1418 return EIO; 1419 } 1420 1421 if (ISSB16CLASS(sc)) { 1422 if (sbdsp16_set_rate(sc, SB_DSP16_OUTPUTRATE, sc->sc_o.rate)) { 1423 DPRINTF(("sbdsp_trigger_output: rate=%d set failed\n", 1424 sc->sc_o.rate)); 1425 return EIO; 1426 } 1427 } else { 1428 if (sbdsp_set_timeconst(sc, sc->sc_o.tc)) { 1429 DPRINTF(("sbdsp_trigger_output: tc=%d set failed\n", 1430 sc->sc_o.rate)); 1431 return EIO; 1432 } 1433 } 1434 1435 DPRINTF(("sbdsp: DMA start loop output start=%p end=%p chan=%d\n", 1436 start, end, sc->sc_o.dmachan)); 1437 isa_dmastart(sc->sc_ic, sc->sc_o.dmachan, start, 1438 (char *)end - (char *)start, NULL, 1439 DMAMODE_WRITE | DMAMODE_LOOPDEMAND, BUS_DMA_NOWAIT); 1440 1441 return sbdsp_block_output(addr); 1442 } 1443 1444 int 1445 sbdsp_block_output(void *addr) 1446 { 1447 struct sbdsp_softc *sc; 1448 int cc; 1449 1450 sc = addr; 1451 cc = sc->sc_o.blksize; 1452 DPRINTFN(2, ("sbdsp_block_output: sc=%p cc=%d\n", addr, cc)); 1453 1454 if (sc->sc_o.run != SB_NOTRUNNING) 1455 sc->sc_intrp(sc->sc_argp); 1456 1457 if (sc->sc_model == SB_1) { 1458 /* Non-looping mode, initialized. Start DMA and PCM */ 1459 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0 || 1460 sbdsp_wdsp(sc, cc) < 0 || 1461 sbdsp_wdsp(sc, cc >> 8) < 0) { 1462 DPRINTF(("sbdsp_block_output: SB1 DMA start failed\n")); 1463 return EIO; 1464 } 1465 sc->sc_o.run = SB_RUNNING; 1466 } else if (sc->sc_o.run == SB_NOTRUNNING) { 1467 /* Initialize looping PCM */ 1468 if (ISSB16CLASS(sc)) { 1469 DPRINTF(("sbdsp_block_output: SB16 cmd=0x%02x bmode=0x%02x cc=%d\n", 1470 sc->sc_o.modep->cmd,sc->sc_o.bmode, cc)); 1471 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0 || 1472 sbdsp_wdsp(sc, sc->sc_o.bmode) < 0 || 1473 sbdsp_wdsp(sc, cc) < 0 || 1474 sbdsp_wdsp(sc, cc >> 8) < 0) { 1475 DPRINTF(("sbdsp_block_output: SB16 DMA start failed\n")); 1476 return EIO; 1477 } 1478 } else { 1479 DPRINTF(("sbdsp_block_output: set blocksize=%d\n", cc)); 1480 if (sbdsp_wdsp(sc, SB_DSP_BLOCKSIZE) < 0 || 1481 sbdsp_wdsp(sc, cc) < 0 || 1482 sbdsp_wdsp(sc, cc >> 8) < 0) { 1483 DPRINTF(("sbdsp_block_output: SB2 DMA blocksize failed\n")); 1484 return EIO; 1485 } 1486 if (sbdsp_wdsp(sc, sc->sc_o.modep->cmd) < 0) { 1487 DPRINTF(("sbdsp_block_output: SB2 DMA start failed\n")); 1488 return EIO; 1489 } 1490 } 1491 sc->sc_o.run = SB_LOOPING; 1492 } 1493 1494 return 0; 1495 } 1496 1497 int 1498 sbdsp_halt_output(void *addr) 1499 { 1500 struct sbdsp_softc *sc; 1501 1502 sc = addr; 1503 if (sc->sc_o.run != SB_NOTRUNNING) { 1504 if (sbdsp_wdsp(sc, sc->sc_o.modep->halt) < 0) 1505 printf("sbdsp_halt_output: failed to halt\n"); 1506 isa_dmaabort(sc->sc_ic, sc->sc_o.dmachan); 1507 sc->sc_o.run = SB_NOTRUNNING; 1508 } 1509 return 0; 1510 } 1511 1512 int 1513 sbdsp_halt_input(void *addr) 1514 { 1515 struct sbdsp_softc *sc; 1516 1517 sc = addr; 1518 if (sc->sc_i.run != SB_NOTRUNNING) { 1519 if (sbdsp_wdsp(sc, sc->sc_i.modep->halt) < 0) 1520 printf("sbdsp_halt_input: failed to halt\n"); 1521 isa_dmaabort(sc->sc_ic, sc->sc_i.dmachan); 1522 sc->sc_i.run = SB_NOTRUNNING; 1523 } 1524 return 0; 1525 } 1526 1527 /* 1528 * Only the DSP unit on the sound blaster generates interrupts. 1529 * There are three cases of interrupt: reception of a midi byte 1530 * (when mode is enabled), completion of DMA transmission, or 1531 * completion of a DMA reception. 1532 * 1533 * If there is interrupt sharing or a spurious interrupt occurs 1534 * there is no way to distinguish this on an SB2. So if you have 1535 * an SB2 and experience problems, buy an SB16 (it's only $40). 1536 */ 1537 int 1538 sbdsp_intr(void *arg) 1539 { 1540 struct sbdsp_softc *sc = arg; 1541 #if NMPU > 0 1542 struct mpu_softc *sc_mpu = device_private(sc->sc_mpudev); 1543 #endif 1544 u_char irq; 1545 1546 DPRINTFN(2, ("sbdsp_intr: intr8=%p, intr16=%p\n", 1547 sc->sc_intr8, sc->sc_intr16)); 1548 if (ISSB16CLASS(sc)) { 1549 irq = sbdsp_mix_read(sc, SBP_IRQ_STATUS); 1550 if ((irq & (SBP_IRQ_DMA8 | SBP_IRQ_DMA16 | SBP_IRQ_MPU401)) == 0) { 1551 DPRINTF(("sbdsp_intr: Spurious interrupt 0x%x\n", irq)); 1552 return 0; 1553 } 1554 } else { 1555 /* XXXX CHECK FOR INTERRUPT */ 1556 irq = SBP_IRQ_DMA8; 1557 } 1558 1559 sc->sc_interrupts++; 1560 delay(10); /* XXX why? */ 1561 1562 /* clear interrupt */ 1563 if (irq & SBP_IRQ_DMA8) { 1564 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK8); 1565 if (sc->sc_intr8) 1566 sc->sc_intr8(arg); 1567 } 1568 if (irq & SBP_IRQ_DMA16) { 1569 bus_space_read_1(sc->sc_iot, sc->sc_ioh, SBP_DSP_IRQACK16); 1570 if (sc->sc_intr16) 1571 sc->sc_intr16(arg); 1572 } 1573 #if NMPU > 0 1574 if ((irq & SBP_IRQ_MPU401) && sc_mpu) { 1575 mpu_intr(sc_mpu); 1576 } 1577 #endif 1578 return 1; 1579 } 1580 1581 /* Like val & mask, but make sure the result is correctly rounded. */ 1582 #define MAXVAL 256 1583 static int 1584 sbdsp_adjust(int val, int mask) 1585 { 1586 1587 val += (MAXVAL - mask) >> 1; 1588 if (val >= MAXVAL) 1589 val = MAXVAL-1; 1590 return val & mask; 1591 } 1592 1593 void 1594 sbdsp_set_mixer_gain(struct sbdsp_softc *sc, int port) 1595 { 1596 int src, gain; 1597 1598 switch(sc->sc_mixer_model) { 1599 case SBM_NONE: 1600 return; 1601 case SBM_CT1335: 1602 gain = SB_1335_GAIN(sc->gain[port][SB_LEFT]); 1603 switch(port) { 1604 case SB_MASTER_VOL: 1605 src = SBP_1335_MASTER_VOL; 1606 break; 1607 case SB_MIDI_VOL: 1608 src = SBP_1335_MIDI_VOL; 1609 break; 1610 case SB_CD_VOL: 1611 src = SBP_1335_CD_VOL; 1612 break; 1613 case SB_VOICE_VOL: 1614 src = SBP_1335_VOICE_VOL; 1615 gain = SB_1335_MASTER_GAIN(sc->gain[port][SB_LEFT]); 1616 break; 1617 default: 1618 return; 1619 } 1620 sbdsp_mix_write(sc, src, gain); 1621 break; 1622 case SBM_CT1345: 1623 gain = SB_STEREO_GAIN(sc->gain[port][SB_LEFT], 1624 sc->gain[port][SB_RIGHT]); 1625 switch (port) { 1626 case SB_MIC_VOL: 1627 src = SBP_MIC_VOL; 1628 gain = SB_MIC_GAIN(sc->gain[port][SB_LEFT]); 1629 break; 1630 case SB_MASTER_VOL: 1631 src = SBP_MASTER_VOL; 1632 break; 1633 case SB_LINE_IN_VOL: 1634 src = SBP_LINE_VOL; 1635 break; 1636 case SB_VOICE_VOL: 1637 src = SBP_VOICE_VOL; 1638 break; 1639 case SB_MIDI_VOL: 1640 src = SBP_MIDI_VOL; 1641 break; 1642 case SB_CD_VOL: 1643 src = SBP_CD_VOL; 1644 break; 1645 default: 1646 return; 1647 } 1648 sbdsp_mix_write(sc, src, gain); 1649 break; 1650 case SBM_CT1XX5: 1651 case SBM_CT1745: 1652 switch (port) { 1653 case SB_MIC_VOL: 1654 src = SB16P_MIC_L; 1655 break; 1656 case SB_MASTER_VOL: 1657 src = SB16P_MASTER_L; 1658 break; 1659 case SB_LINE_IN_VOL: 1660 src = SB16P_LINE_L; 1661 break; 1662 case SB_VOICE_VOL: 1663 src = SB16P_VOICE_L; 1664 break; 1665 case SB_MIDI_VOL: 1666 src = SB16P_MIDI_L; 1667 break; 1668 case SB_CD_VOL: 1669 src = SB16P_CD_L; 1670 break; 1671 case SB_INPUT_GAIN: 1672 src = SB16P_INPUT_GAIN_L; 1673 break; 1674 case SB_OUTPUT_GAIN: 1675 src = SB16P_OUTPUT_GAIN_L; 1676 break; 1677 case SB_TREBLE: 1678 src = SB16P_TREBLE_L; 1679 break; 1680 case SB_BASS: 1681 src = SB16P_BASS_L; 1682 break; 1683 case SB_PCSPEAKER: 1684 sbdsp_mix_write(sc, SB16P_PCSPEAKER, sc->gain[port][SB_LEFT]); 1685 return; 1686 default: 1687 return; 1688 } 1689 sbdsp_mix_write(sc, src, sc->gain[port][SB_LEFT]); 1690 sbdsp_mix_write(sc, SB16P_L_TO_R(src), sc->gain[port][SB_RIGHT]); 1691 break; 1692 } 1693 } 1694 1695 int 1696 sbdsp_mixer_set_port(void *addr, mixer_ctrl_t *cp) 1697 { 1698 struct sbdsp_softc *sc; 1699 int lgain, rgain; 1700 int mask, bits; 1701 int lmask, rmask, lbits, rbits; 1702 int mute, swap; 1703 1704 sc = addr; 1705 if (sc->sc_open == SB_OPEN_MIDI) 1706 return EBUSY; 1707 1708 DPRINTF(("sbdsp_mixer_set_port: port=%d num_channels=%d\n", cp->dev, 1709 cp->un.value.num_channels)); 1710 1711 if (sc->sc_mixer_model == SBM_NONE) 1712 return EINVAL; 1713 1714 switch (cp->dev) { 1715 case SB_TREBLE: 1716 case SB_BASS: 1717 if (sc->sc_mixer_model == SBM_CT1345 || 1718 sc->sc_mixer_model == SBM_CT1XX5) { 1719 if (cp->type != AUDIO_MIXER_ENUM) 1720 return EINVAL; 1721 switch (cp->dev) { 1722 case SB_TREBLE: 1723 sbdsp_set_ifilter(addr, cp->un.ord ? SB_TREBLE : 0); 1724 return 0; 1725 case SB_BASS: 1726 sbdsp_set_ifilter(addr, cp->un.ord ? SB_BASS : 0); 1727 return 0; 1728 } 1729 } 1730 case SB_PCSPEAKER: 1731 case SB_INPUT_GAIN: 1732 case SB_OUTPUT_GAIN: 1733 if (!ISSBM1745(sc)) 1734 return EINVAL; 1735 case SB_MIC_VOL: 1736 case SB_LINE_IN_VOL: 1737 if (sc->sc_mixer_model == SBM_CT1335) 1738 return EINVAL; 1739 case SB_VOICE_VOL: 1740 case SB_MIDI_VOL: 1741 case SB_CD_VOL: 1742 case SB_MASTER_VOL: 1743 if (cp->type != AUDIO_MIXER_VALUE) 1744 return EINVAL; 1745 1746 /* 1747 * All the mixer ports are stereo except for the microphone. 1748 * If we get a single-channel gain value passed in, then we 1749 * duplicate it to both left and right channels. 1750 */ 1751 1752 switch (cp->dev) { 1753 case SB_MIC_VOL: 1754 if (cp->un.value.num_channels != 1) 1755 return EINVAL; 1756 1757 lgain = rgain = SB_ADJUST_MIC_GAIN(sc, 1758 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1759 break; 1760 case SB_PCSPEAKER: 1761 if (cp->un.value.num_channels != 1) 1762 return EINVAL; 1763 /* fall into */ 1764 case SB_INPUT_GAIN: 1765 case SB_OUTPUT_GAIN: 1766 lgain = rgain = SB_ADJUST_2_GAIN(sc, 1767 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1768 break; 1769 default: 1770 switch (cp->un.value.num_channels) { 1771 case 1: 1772 lgain = rgain = SB_ADJUST_GAIN(sc, 1773 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO]); 1774 break; 1775 case 2: 1776 if (sc->sc_mixer_model == SBM_CT1335) 1777 return EINVAL; 1778 lgain = SB_ADJUST_GAIN(sc, 1779 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT]); 1780 rgain = SB_ADJUST_GAIN(sc, 1781 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT]); 1782 break; 1783 default: 1784 return EINVAL; 1785 } 1786 break; 1787 } 1788 sc->gain[cp->dev][SB_LEFT] = lgain; 1789 sc->gain[cp->dev][SB_RIGHT] = rgain; 1790 1791 sbdsp_set_mixer_gain(sc, cp->dev); 1792 break; 1793 1794 case SB_RECORD_SOURCE: 1795 if (ISSBM1745(sc)) { 1796 if (cp->type != AUDIO_MIXER_SET) 1797 return EINVAL; 1798 return sbdsp_set_in_ports(sc, cp->un.mask); 1799 } else { 1800 if (cp->type != AUDIO_MIXER_ENUM) 1801 return EINVAL; 1802 sc->in_port = cp->un.ord; 1803 return sbdsp_set_in_ports(sc, 1 << cp->un.ord); 1804 } 1805 break; 1806 1807 case SB_AGC: 1808 if (!ISSBM1745(sc) || cp->type != AUDIO_MIXER_ENUM) 1809 return EINVAL; 1810 sbdsp_mix_write(sc, SB16P_AGC, cp->un.ord & 1); 1811 break; 1812 1813 case SB_CD_OUT_MUTE: 1814 mask = SB16P_SW_CD; 1815 goto omute; 1816 case SB_MIC_OUT_MUTE: 1817 mask = SB16P_SW_MIC; 1818 goto omute; 1819 case SB_LINE_OUT_MUTE: 1820 mask = SB16P_SW_LINE; 1821 omute: 1822 if (cp->type != AUDIO_MIXER_ENUM) 1823 return EINVAL; 1824 bits = sbdsp_mix_read(sc, SB16P_OSWITCH); 1825 sc->gain[cp->dev][SB_LR] = cp->un.ord != 0; 1826 if (cp->un.ord) 1827 bits = bits & ~mask; 1828 else 1829 bits = bits | mask; 1830 sbdsp_mix_write(sc, SB16P_OSWITCH, bits); 1831 break; 1832 1833 case SB_MIC_IN_MUTE: 1834 case SB_MIC_SWAP: 1835 lmask = rmask = SB16P_SW_MIC; 1836 goto imute; 1837 case SB_CD_IN_MUTE: 1838 case SB_CD_SWAP: 1839 lmask = SB16P_SW_CD_L; 1840 rmask = SB16P_SW_CD_R; 1841 goto imute; 1842 case SB_LINE_IN_MUTE: 1843 case SB_LINE_SWAP: 1844 lmask = SB16P_SW_LINE_L; 1845 rmask = SB16P_SW_LINE_R; 1846 goto imute; 1847 case SB_MIDI_IN_MUTE: 1848 case SB_MIDI_SWAP: 1849 lmask = SB16P_SW_MIDI_L; 1850 rmask = SB16P_SW_MIDI_R; 1851 imute: 1852 if (cp->type != AUDIO_MIXER_ENUM) 1853 return EINVAL; 1854 mask = lmask | rmask; 1855 lbits = sbdsp_mix_read(sc, SB16P_ISWITCH_L) & ~mask; 1856 rbits = sbdsp_mix_read(sc, SB16P_ISWITCH_R) & ~mask; 1857 sc->gain[cp->dev][SB_LR] = cp->un.ord != 0; 1858 if (SB_IS_IN_MUTE(cp->dev)) { 1859 mute = cp->dev; 1860 swap = mute - SB_CD_IN_MUTE + SB_CD_SWAP; 1861 } else { 1862 swap = cp->dev; 1863 mute = swap + SB_CD_IN_MUTE - SB_CD_SWAP; 1864 } 1865 if (sc->gain[swap][SB_LR]) { 1866 mask = lmask; 1867 lmask = rmask; 1868 rmask = mask; 1869 } 1870 if (!sc->gain[mute][SB_LR]) { 1871 lbits = lbits | lmask; 1872 rbits = rbits | rmask; 1873 } 1874 sbdsp_mix_write(sc, SB16P_ISWITCH_L, lbits); 1875 sbdsp_mix_write(sc, SB16P_ISWITCH_L, rbits); 1876 break; 1877 1878 default: 1879 return EINVAL; 1880 } 1881 1882 return 0; 1883 } 1884 1885 int 1886 sbdsp_mixer_get_port(void *addr, mixer_ctrl_t *cp) 1887 { 1888 struct sbdsp_softc *sc; 1889 1890 sc = addr; 1891 if (sc->sc_open == SB_OPEN_MIDI) 1892 return EBUSY; 1893 1894 DPRINTF(("sbdsp_mixer_get_port: port=%d\n", cp->dev)); 1895 1896 if (sc->sc_mixer_model == SBM_NONE) 1897 return EINVAL; 1898 1899 switch (cp->dev) { 1900 case SB_TREBLE: 1901 case SB_BASS: 1902 if (sc->sc_mixer_model == SBM_CT1345 || 1903 sc->sc_mixer_model == SBM_CT1XX5) { 1904 switch (cp->dev) { 1905 case SB_TREBLE: 1906 cp->un.ord = sbdsp_get_ifilter(addr) == SB_TREBLE; 1907 return 0; 1908 case SB_BASS: 1909 cp->un.ord = sbdsp_get_ifilter(addr) == SB_BASS; 1910 return 0; 1911 } 1912 } 1913 case SB_PCSPEAKER: 1914 case SB_INPUT_GAIN: 1915 case SB_OUTPUT_GAIN: 1916 if (!ISSBM1745(sc)) 1917 return EINVAL; 1918 case SB_MIC_VOL: 1919 case SB_LINE_IN_VOL: 1920 if (sc->sc_mixer_model == SBM_CT1335) 1921 return EINVAL; 1922 case SB_VOICE_VOL: 1923 case SB_MIDI_VOL: 1924 case SB_CD_VOL: 1925 case SB_MASTER_VOL: 1926 switch (cp->dev) { 1927 case SB_MIC_VOL: 1928 case SB_PCSPEAKER: 1929 if (cp->un.value.num_channels != 1) 1930 return EINVAL; 1931 /* fall into */ 1932 default: 1933 switch (cp->un.value.num_channels) { 1934 case 1: 1935 cp->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 1936 sc->gain[cp->dev][SB_LEFT]; 1937 break; 1938 case 2: 1939 cp->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 1940 sc->gain[cp->dev][SB_LEFT]; 1941 cp->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 1942 sc->gain[cp->dev][SB_RIGHT]; 1943 break; 1944 default: 1945 return EINVAL; 1946 } 1947 break; 1948 } 1949 break; 1950 1951 case SB_RECORD_SOURCE: 1952 if (ISSBM1745(sc)) 1953 cp->un.mask = sc->in_mask; 1954 else 1955 cp->un.ord = sc->in_port; 1956 break; 1957 1958 case SB_AGC: 1959 if (!ISSBM1745(sc)) 1960 return EINVAL; 1961 cp->un.ord = sbdsp_mix_read(sc, SB16P_AGC); 1962 break; 1963 1964 case SB_CD_IN_MUTE: 1965 case SB_MIC_IN_MUTE: 1966 case SB_LINE_IN_MUTE: 1967 case SB_MIDI_IN_MUTE: 1968 case SB_CD_SWAP: 1969 case SB_MIC_SWAP: 1970 case SB_LINE_SWAP: 1971 case SB_MIDI_SWAP: 1972 case SB_CD_OUT_MUTE: 1973 case SB_MIC_OUT_MUTE: 1974 case SB_LINE_OUT_MUTE: 1975 cp->un.ord = sc->gain[cp->dev][SB_LR]; 1976 break; 1977 1978 default: 1979 return EINVAL; 1980 } 1981 1982 return 0; 1983 } 1984 1985 int 1986 sbdsp_mixer_query_devinfo(void *addr, mixer_devinfo_t *dip) 1987 { 1988 struct sbdsp_softc *sc = addr; 1989 int chan, class, is1745; 1990 1991 sc = addr; 1992 DPRINTF(("sbdsp_mixer_query_devinfo: model=%d index=%d\n", 1993 sc->sc_mixer_model, dip->index)); 1994 1995 if (sc->sc_mixer_model == SBM_NONE) 1996 return ENXIO; 1997 1998 chan = sc->sc_mixer_model == SBM_CT1335 ? 1 : 2; 1999 is1745 = ISSBM1745(sc); 2000 class = is1745 ? SB_INPUT_CLASS : SB_OUTPUT_CLASS; 2001 2002 switch (dip->index) { 2003 case SB_MASTER_VOL: 2004 dip->type = AUDIO_MIXER_VALUE; 2005 dip->mixer_class = SB_OUTPUT_CLASS; 2006 dip->prev = dip->next = AUDIO_MIXER_LAST; 2007 strcpy(dip->label.name, AudioNmaster); 2008 dip->un.v.num_channels = chan; 2009 strcpy(dip->un.v.units.name, AudioNvolume); 2010 return 0; 2011 case SB_MIDI_VOL: 2012 dip->type = AUDIO_MIXER_VALUE; 2013 dip->mixer_class = class; 2014 dip->prev = AUDIO_MIXER_LAST; 2015 dip->next = is1745 ? SB_MIDI_IN_MUTE : AUDIO_MIXER_LAST; 2016 strcpy(dip->label.name, AudioNfmsynth); 2017 dip->un.v.num_channels = chan; 2018 strcpy(dip->un.v.units.name, AudioNvolume); 2019 return 0; 2020 case SB_CD_VOL: 2021 dip->type = AUDIO_MIXER_VALUE; 2022 dip->mixer_class = class; 2023 dip->prev = AUDIO_MIXER_LAST; 2024 dip->next = is1745 ? SB_CD_IN_MUTE : AUDIO_MIXER_LAST; 2025 strcpy(dip->label.name, AudioNcd); 2026 dip->un.v.num_channels = chan; 2027 strcpy(dip->un.v.units.name, AudioNvolume); 2028 return 0; 2029 case SB_VOICE_VOL: 2030 dip->type = AUDIO_MIXER_VALUE; 2031 dip->mixer_class = class; 2032 dip->prev = AUDIO_MIXER_LAST; 2033 dip->next = AUDIO_MIXER_LAST; 2034 strcpy(dip->label.name, AudioNdac); 2035 dip->un.v.num_channels = chan; 2036 strcpy(dip->un.v.units.name, AudioNvolume); 2037 return 0; 2038 case SB_OUTPUT_CLASS: 2039 dip->type = AUDIO_MIXER_CLASS; 2040 dip->mixer_class = SB_OUTPUT_CLASS; 2041 dip->next = dip->prev = AUDIO_MIXER_LAST; 2042 strcpy(dip->label.name, AudioCoutputs); 2043 return 0; 2044 } 2045 2046 if (sc->sc_mixer_model == SBM_CT1335) 2047 return ENXIO; 2048 2049 switch (dip->index) { 2050 case SB_MIC_VOL: 2051 dip->type = AUDIO_MIXER_VALUE; 2052 dip->mixer_class = class; 2053 dip->prev = AUDIO_MIXER_LAST; 2054 dip->next = is1745 ? SB_MIC_IN_MUTE : AUDIO_MIXER_LAST; 2055 strcpy(dip->label.name, AudioNmicrophone); 2056 dip->un.v.num_channels = 1; 2057 strcpy(dip->un.v.units.name, AudioNvolume); 2058 return 0; 2059 2060 case SB_LINE_IN_VOL: 2061 dip->type = AUDIO_MIXER_VALUE; 2062 dip->mixer_class = class; 2063 dip->prev = AUDIO_MIXER_LAST; 2064 dip->next = is1745 ? SB_LINE_IN_MUTE : AUDIO_MIXER_LAST; 2065 strcpy(dip->label.name, AudioNline); 2066 dip->un.v.num_channels = 2; 2067 strcpy(dip->un.v.units.name, AudioNvolume); 2068 return 0; 2069 2070 case SB_RECORD_SOURCE: 2071 dip->mixer_class = SB_RECORD_CLASS; 2072 dip->prev = dip->next = AUDIO_MIXER_LAST; 2073 strcpy(dip->label.name, AudioNsource); 2074 if (ISSBM1745(sc)) { 2075 dip->type = AUDIO_MIXER_SET; 2076 dip->un.s.num_mem = 4; 2077 strcpy(dip->un.s.member[0].label.name, AudioNmicrophone); 2078 dip->un.s.member[0].mask = 1 << SB_MIC_VOL; 2079 strcpy(dip->un.s.member[1].label.name, AudioNcd); 2080 dip->un.s.member[1].mask = 1 << SB_CD_VOL; 2081 strcpy(dip->un.s.member[2].label.name, AudioNline); 2082 dip->un.s.member[2].mask = 1 << SB_LINE_IN_VOL; 2083 strcpy(dip->un.s.member[3].label.name, AudioNfmsynth); 2084 dip->un.s.member[3].mask = 1 << SB_MIDI_VOL; 2085 } else { 2086 dip->type = AUDIO_MIXER_ENUM; 2087 dip->un.e.num_mem = 3; 2088 strcpy(dip->un.e.member[0].label.name, AudioNmicrophone); 2089 dip->un.e.member[0].ord = SB_MIC_VOL; 2090 strcpy(dip->un.e.member[1].label.name, AudioNcd); 2091 dip->un.e.member[1].ord = SB_CD_VOL; 2092 strcpy(dip->un.e.member[2].label.name, AudioNline); 2093 dip->un.e.member[2].ord = SB_LINE_IN_VOL; 2094 } 2095 return 0; 2096 2097 case SB_BASS: 2098 dip->prev = dip->next = AUDIO_MIXER_LAST; 2099 strcpy(dip->label.name, AudioNbass); 2100 if (sc->sc_mixer_model == SBM_CT1745) { 2101 dip->type = AUDIO_MIXER_VALUE; 2102 dip->mixer_class = SB_EQUALIZATION_CLASS; 2103 dip->un.v.num_channels = 2; 2104 strcpy(dip->un.v.units.name, AudioNbass); 2105 } else { 2106 dip->type = AUDIO_MIXER_ENUM; 2107 dip->mixer_class = SB_INPUT_CLASS; 2108 dip->un.e.num_mem = 2; 2109 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2110 dip->un.e.member[0].ord = 0; 2111 strcpy(dip->un.e.member[1].label.name, AudioNon); 2112 dip->un.e.member[1].ord = 1; 2113 } 2114 return 0; 2115 2116 case SB_TREBLE: 2117 dip->prev = dip->next = AUDIO_MIXER_LAST; 2118 strcpy(dip->label.name, AudioNtreble); 2119 if (sc->sc_mixer_model == SBM_CT1745) { 2120 dip->type = AUDIO_MIXER_VALUE; 2121 dip->mixer_class = SB_EQUALIZATION_CLASS; 2122 dip->un.v.num_channels = 2; 2123 strcpy(dip->un.v.units.name, AudioNtreble); 2124 } else { 2125 dip->type = AUDIO_MIXER_ENUM; 2126 dip->mixer_class = SB_INPUT_CLASS; 2127 dip->un.e.num_mem = 2; 2128 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2129 dip->un.e.member[0].ord = 0; 2130 strcpy(dip->un.e.member[1].label.name, AudioNon); 2131 dip->un.e.member[1].ord = 1; 2132 } 2133 return 0; 2134 2135 case SB_RECORD_CLASS: /* record source class */ 2136 dip->type = AUDIO_MIXER_CLASS; 2137 dip->mixer_class = SB_RECORD_CLASS; 2138 dip->next = dip->prev = AUDIO_MIXER_LAST; 2139 strcpy(dip->label.name, AudioCrecord); 2140 return 0; 2141 2142 case SB_INPUT_CLASS: 2143 dip->type = AUDIO_MIXER_CLASS; 2144 dip->mixer_class = SB_INPUT_CLASS; 2145 dip->next = dip->prev = AUDIO_MIXER_LAST; 2146 strcpy(dip->label.name, AudioCinputs); 2147 return 0; 2148 2149 } 2150 2151 if (sc->sc_mixer_model == SBM_CT1345) 2152 return ENXIO; 2153 2154 switch(dip->index) { 2155 case SB_PCSPEAKER: 2156 dip->type = AUDIO_MIXER_VALUE; 2157 dip->mixer_class = SB_INPUT_CLASS; 2158 dip->prev = dip->next = AUDIO_MIXER_LAST; 2159 strcpy(dip->label.name, "pc_speaker"); 2160 dip->un.v.num_channels = 1; 2161 strcpy(dip->un.v.units.name, AudioNvolume); 2162 return 0; 2163 2164 case SB_INPUT_GAIN: 2165 dip->type = AUDIO_MIXER_VALUE; 2166 dip->mixer_class = SB_INPUT_CLASS; 2167 dip->prev = dip->next = AUDIO_MIXER_LAST; 2168 strcpy(dip->label.name, AudioNinput); 2169 dip->un.v.num_channels = 2; 2170 strcpy(dip->un.v.units.name, AudioNvolume); 2171 return 0; 2172 2173 case SB_OUTPUT_GAIN: 2174 dip->type = AUDIO_MIXER_VALUE; 2175 dip->mixer_class = SB_OUTPUT_CLASS; 2176 dip->prev = dip->next = AUDIO_MIXER_LAST; 2177 strcpy(dip->label.name, AudioNoutput); 2178 dip->un.v.num_channels = 2; 2179 strcpy(dip->un.v.units.name, AudioNvolume); 2180 return 0; 2181 2182 case SB_AGC: 2183 dip->type = AUDIO_MIXER_ENUM; 2184 dip->mixer_class = SB_INPUT_CLASS; 2185 dip->prev = dip->next = AUDIO_MIXER_LAST; 2186 strcpy(dip->label.name, "agc"); 2187 dip->un.e.num_mem = 2; 2188 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2189 dip->un.e.member[0].ord = 0; 2190 strcpy(dip->un.e.member[1].label.name, AudioNon); 2191 dip->un.e.member[1].ord = 1; 2192 return 0; 2193 2194 case SB_EQUALIZATION_CLASS: 2195 dip->type = AUDIO_MIXER_CLASS; 2196 dip->mixer_class = SB_EQUALIZATION_CLASS; 2197 dip->next = dip->prev = AUDIO_MIXER_LAST; 2198 strcpy(dip->label.name, AudioCequalization); 2199 return 0; 2200 2201 case SB_CD_IN_MUTE: 2202 dip->prev = SB_CD_VOL; 2203 dip->next = SB_CD_SWAP; 2204 dip->mixer_class = SB_INPUT_CLASS; 2205 goto mute; 2206 2207 case SB_MIC_IN_MUTE: 2208 dip->prev = SB_MIC_VOL; 2209 dip->next = SB_MIC_SWAP; 2210 dip->mixer_class = SB_INPUT_CLASS; 2211 goto mute; 2212 2213 case SB_LINE_IN_MUTE: 2214 dip->prev = SB_LINE_IN_VOL; 2215 dip->next = SB_LINE_SWAP; 2216 dip->mixer_class = SB_INPUT_CLASS; 2217 goto mute; 2218 2219 case SB_MIDI_IN_MUTE: 2220 dip->prev = SB_MIDI_VOL; 2221 dip->next = SB_MIDI_SWAP; 2222 dip->mixer_class = SB_INPUT_CLASS; 2223 goto mute; 2224 2225 case SB_CD_SWAP: 2226 dip->prev = SB_CD_IN_MUTE; 2227 dip->next = SB_CD_OUT_MUTE; 2228 goto swap; 2229 2230 case SB_MIC_SWAP: 2231 dip->prev = SB_MIC_IN_MUTE; 2232 dip->next = SB_MIC_OUT_MUTE; 2233 goto swap; 2234 2235 case SB_LINE_SWAP: 2236 dip->prev = SB_LINE_IN_MUTE; 2237 dip->next = SB_LINE_OUT_MUTE; 2238 goto swap; 2239 2240 case SB_MIDI_SWAP: 2241 dip->prev = SB_MIDI_IN_MUTE; 2242 dip->next = AUDIO_MIXER_LAST; 2243 swap: 2244 dip->mixer_class = SB_INPUT_CLASS; 2245 strcpy(dip->label.name, AudioNswap); 2246 goto mute1; 2247 2248 case SB_CD_OUT_MUTE: 2249 dip->prev = SB_CD_SWAP; 2250 dip->next = AUDIO_MIXER_LAST; 2251 dip->mixer_class = SB_OUTPUT_CLASS; 2252 goto mute; 2253 2254 case SB_MIC_OUT_MUTE: 2255 dip->prev = SB_MIC_SWAP; 2256 dip->next = AUDIO_MIXER_LAST; 2257 dip->mixer_class = SB_OUTPUT_CLASS; 2258 goto mute; 2259 2260 case SB_LINE_OUT_MUTE: 2261 dip->prev = SB_LINE_SWAP; 2262 dip->next = AUDIO_MIXER_LAST; 2263 dip->mixer_class = SB_OUTPUT_CLASS; 2264 mute: 2265 strcpy(dip->label.name, AudioNmute); 2266 mute1: 2267 dip->type = AUDIO_MIXER_ENUM; 2268 dip->un.e.num_mem = 2; 2269 strcpy(dip->un.e.member[0].label.name, AudioNoff); 2270 dip->un.e.member[0].ord = 0; 2271 strcpy(dip->un.e.member[1].label.name, AudioNon); 2272 dip->un.e.member[1].ord = 1; 2273 return 0; 2274 2275 } 2276 2277 return ENXIO; 2278 } 2279 2280 void * 2281 sb_malloc(void *addr, int direction, size_t size, 2282 struct malloc_type *pool, int flags) 2283 { 2284 struct sbdsp_softc *sc; 2285 int drq; 2286 2287 sc = addr; 2288 if (sc->sc_drq8 != -1) 2289 drq = sc->sc_drq8; 2290 else 2291 drq = sc->sc_drq16; 2292 return isa_malloc(sc->sc_ic, drq, size, pool, flags); 2293 } 2294 2295 void 2296 sb_free(void *addr, void *ptr, struct malloc_type *pool) 2297 { 2298 2299 isa_free(ptr, pool); 2300 } 2301 2302 size_t 2303 sb_round_buffersize(void *addr, int direction, size_t size) 2304 { 2305 struct sbdsp_softc *sc; 2306 bus_size_t maxsize; 2307 2308 sc = addr; 2309 if (sc->sc_drq8 != -1) 2310 maxsize = sc->sc_drq8_maxsize; 2311 else 2312 maxsize = sc->sc_drq16_maxsize; 2313 2314 if (size > maxsize) 2315 size = maxsize; 2316 return size; 2317 } 2318 2319 paddr_t 2320 sb_mappage(void *addr, void *mem, off_t off, int prot) 2321 { 2322 2323 return isa_mappage(mem, off, prot); 2324 } 2325 2326 int 2327 sbdsp_get_props(void *addr) 2328 { 2329 struct sbdsp_softc *sc; 2330 2331 sc = addr; 2332 return AUDIO_PROP_MMAP | AUDIO_PROP_INDEPENDENT | 2333 (sc->sc_fullduplex ? AUDIO_PROP_FULLDUPLEX : 0); 2334 } 2335 2336 #if NMPU > 0 2337 /* 2338 * MIDI related routines. 2339 */ 2340 2341 int 2342 sbdsp_midi_open(void *addr, int flags, void (*iintr)(void *, int), 2343 void (*ointr)(void *), void *arg) 2344 { 2345 struct sbdsp_softc *sc; 2346 2347 sc = addr; 2348 DPRINTF(("sbdsp_midi_open: sc=%p\n", sc)); 2349 2350 if (sc->sc_open != SB_CLOSED) 2351 return EBUSY; 2352 if (sbdsp_reset(sc) != 0) 2353 return EIO; 2354 2355 sc->sc_open = SB_OPEN_MIDI; 2356 2357 if (sc->sc_model >= SB_20) 2358 if (sbdsp_wdsp(sc, SB_MIDI_UART_INTR)) /* enter UART mode */ 2359 return EIO; 2360 2361 sc->sc_intr8 = sbdsp_midi_intr; 2362 sc->sc_intrm = iintr; 2363 sc->sc_argm = arg; 2364 2365 return 0; 2366 } 2367 2368 void 2369 sbdsp_midi_close(void *addr) 2370 { 2371 struct sbdsp_softc *sc; 2372 2373 sc = addr; 2374 DPRINTF(("sbdsp_midi_close: sc=%p\n", sc)); 2375 2376 if (sc->sc_model >= SB_20) 2377 sbdsp_reset(sc); /* exit UART mode */ 2378 2379 sc->sc_intrm = 0; 2380 sc->sc_open = SB_CLOSED; 2381 } 2382 2383 int 2384 sbdsp_midi_output(void *addr, int d) 2385 { 2386 struct sbdsp_softc *sc; 2387 2388 sc = addr; 2389 if (sc->sc_model < SB_20 && sbdsp_wdsp(sc, SB_MIDI_WRITE)) 2390 return EIO; 2391 if (sbdsp_wdsp(sc, d)) 2392 return EIO; 2393 return 0; 2394 } 2395 2396 void 2397 sbdsp_midi_getinfo(void *addr, struct midi_info *mi) 2398 { 2399 struct sbdsp_softc *sc; 2400 2401 sc = addr; 2402 mi->name = sc->sc_model < SB_20 ? "SB MIDI cmd" : "SB MIDI UART"; 2403 mi->props = MIDI_PROP_CAN_INPUT; 2404 } 2405 2406 int 2407 sbdsp_midi_intr(void *addr) 2408 { 2409 struct sbdsp_softc *sc; 2410 2411 sc = addr; 2412 sc->sc_intrm(sc->sc_argm, sbdsp_rdsp(sc)); 2413 return (0); 2414 } 2415 2416 #endif 2417 2418
Indexes created Sat Sep 27 14:09:57 GMT 2025