aica.c revision 1.4
1 /* $NetBSD: aica.c,v 1.4 2003/08/25 18:48:31 marcus Exp $ */ 2 3 /* 4 * Copyright (c) 2003 SHIMIZU Ryo <ryo (at) misakimix.org> 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. The name of the author may not be used to endorse or promote products 17 * derived from this software without specific prior written permission. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 21 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 22 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 23 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 24 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 29 */ 30 31 #include <sys/cdefs.h> 32 __KERNEL_RCSID(0, "$NetBSD: aica.c,v 1.4 2003/08/25 18:48:31 marcus Exp $"); 33 34 #include <sys/param.h> 35 #include <sys/systm.h> 36 #include <sys/kernel.h> 37 #include <sys/proc.h> 38 #include <sys/audioio.h> 39 40 #include <dev/audio_if.h> 41 #include <dev/mulaw.h> 42 #include <dev/auconv.h> 43 44 #include <machine/bus.h> 45 #include <machine/sysasicvar.h> 46 47 #include <dreamcast/dev/g2/g2busvar.h> 48 #include <dreamcast/dev/g2/aicavar.h> 49 #include <dreamcast/dev/microcode/aica_armcode.h> 50 51 #define AICA_REG_ADDR 0x00700000 52 #define AICA_RAM_START 0x00800000 53 #define AICA_RAM_SIZE 0x00200000 54 #define AICA_NCHAN 64 55 #define AICA_TIMEOUT 0x1800 56 57 struct aica_softc { 58 struct device sc_dev; /* base device */ 59 bus_space_tag_t sc_memt; 60 bus_space_handle_t sc_aica_regh; 61 bus_space_handle_t sc_aica_memh; 62 63 /* audio property */ 64 int sc_open; 65 int sc_encodings; 66 int sc_precision; 67 int sc_channels; 68 int sc_rate; 69 void (*sc_intr)(void *); 70 void *sc_intr_arg; 71 72 int sc_output_master; 73 int sc_output_gain[2]; 74 #define AICA_VOLUME_LEFT 0 75 #define AICA_VOLUME_RIGHT 1 76 77 /* work for output */ 78 void *sc_buffer; 79 void *sc_buffer_start; 80 void *sc_buffer_end; 81 int sc_blksize; 82 int sc_nextfill; 83 }; 84 85 struct { 86 char *name; 87 int encoding; 88 int precision; 89 } aica_encodings[] = { 90 {AudioEadpcm, AUDIO_ENCODING_ADPCM, 4}, 91 {AudioEslinear, AUDIO_ENCODING_SLINEAR, 8}, 92 {AudioEulinear, AUDIO_ENCODING_ULINEAR, 8}, 93 {AudioEmulaw, AUDIO_ENCODING_ULAW, 8}, 94 {AudioEalaw, AUDIO_ENCODING_ALAW, 8}, 95 {AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16}, 96 {AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16}, 97 {AudioEulinear_be, AUDIO_ENCODING_ULINEAR_BE, 16}, 98 {AudioEulinear_le, AUDIO_ENCODING_ULINEAR_LE, 16}, 99 }; 100 101 int aica_match(struct device *, struct cfdata *, void *); 102 void aica_attach(struct device *, struct device *, void *); 103 int aica_print(void *, const char *); 104 105 CFATTACH_DECL(aica, sizeof(struct aica_softc), aica_match, aica_attach, 106 NULL, NULL); 107 108 struct audio_device aica_device = { 109 "Dreamcast Sound", 110 "", 111 "aica" 112 }; 113 114 __inline static void aica_g2fifo_wait(void); 115 void aica_enable(struct aica_softc *); 116 void aica_disable(struct aica_softc *); 117 void aica_memwrite(struct aica_softc *, bus_size_t, u_int32_t *, int); 118 void aica_ch2p16write(struct aica_softc *, bus_size_t, u_int16_t *, int); 119 void aica_ch2p8write(struct aica_softc *, bus_size_t, u_int8_t *, int); 120 void aica_command(struct aica_softc *, u_int32_t); 121 void aica_sendparam(struct aica_softc *, u_int32_t, int, int); 122 void aica_play(struct aica_softc *, int, int, int, int); 123 void aica_fillbuffer(struct aica_softc *); 124 125 /* intr */ 126 int aica_intr(void *); 127 128 /* for audio */ 129 int aica_open(void *, int); 130 void aica_close(void *); 131 int aica_query_encoding(void *, struct audio_encoding *); 132 int aica_set_params(void *, int, int, struct audio_params *, 133 struct audio_params *); 134 int aica_round_blocksize(void *, int); 135 size_t aica_round_buffersize(void *, int, size_t); 136 int aica_trigger_output(void *, void *, void *, int, void (*)(void *), void *, 137 struct audio_params *); 138 int aica_trigger_input(void *, void *, void *, int, void (*)(void *), void *, 139 struct audio_params *); 140 int aica_halt_output(void *); 141 int aica_halt_input(void *); 142 int aica_getdev(void *, struct audio_device *); 143 int aica_set_port(void *, mixer_ctrl_t *); 144 int aica_get_port(void *, mixer_ctrl_t *); 145 int aica_query_devinfo(void *, mixer_devinfo_t *); 146 void aica_encode(int, int, int, int, u_char *, u_short **); 147 int aica_get_props(void *); 148 149 struct audio_hw_if aica_hw_if = { 150 aica_open, 151 aica_close, 152 NULL, /* aica_drain */ 153 aica_query_encoding, 154 aica_set_params, 155 aica_round_blocksize, 156 NULL, /* aica_commit_setting */ 157 NULL, /* aica_init_output */ 158 NULL, /* aica_init_input */ 159 NULL, /* aica_start_output */ 160 NULL, /* aica_start_input */ 161 aica_halt_output, 162 aica_halt_input, 163 NULL, /* aica_speaker_ctl */ 164 aica_getdev, 165 NULL, /* aica_setfd */ 166 aica_set_port, 167 aica_get_port, 168 aica_query_devinfo, 169 NULL, /* aica_allocm */ 170 NULL, /* aica_freem */ 171 172 aica_round_buffersize, /* aica_round_buffersize */ 173 174 NULL, /* aica_mappage */ 175 aica_get_props, 176 aica_trigger_output, 177 aica_trigger_input, 178 NULL, /* aica_dev_ioctl */ 179 }; 180 181 int 182 aica_match(struct device *parent, struct cfdata *cf, void *aux) 183 { 184 static int aica_matched = 0; 185 186 if (aica_matched) 187 return 0; 188 189 aica_matched = 1; 190 return 1; 191 } 192 193 void 194 aica_attach(struct device *parent, struct device *self, void *aux) 195 { 196 struct aica_softc *sc = (struct aica_softc *)self; 197 struct g2bus_attach_args *ga = aux; 198 int i; 199 200 sc->sc_memt = ga->ga_memt; 201 202 if (bus_space_map(sc->sc_memt, AICA_REG_ADDR, 0x3000, 0, 203 &sc->sc_aica_regh) != 0) { 204 printf(": can't map AICA register space\n"); 205 return; 206 } 207 208 if (bus_space_map(sc->sc_memt, AICA_RAM_START, AICA_RAM_SIZE, 0, 209 &sc->sc_aica_memh) != 0) { 210 printf(": can't map AICA memory space\n"); 211 return; 212 } 213 214 printf(": ARM7 Sound Processing Unit\n"); 215 216 aica_disable(sc); 217 218 for (i = 0; i < AICA_NCHAN; i++) 219 bus_space_write_4(sc->sc_memt,sc->sc_aica_regh, i << 7, 220 ((bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, i << 7) 221 & ~0x4000) | 0x8000)); 222 223 /* load microcode, and clear memory */ 224 bus_space_set_region_4(sc->sc_memt, sc->sc_aica_memh, 225 0, 0, AICA_RAM_SIZE); 226 227 aica_memwrite(sc, 0, aica_armcode, sizeof(aica_armcode)); 228 229 aica_enable(sc); 230 231 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 232 sysasic_intr_string(IPL_BIO)); 233 sysasic_intr_establish(SYSASIC_EVENT_AICA, IPL_BIO, aica_intr, sc); 234 235 audio_attach_mi(&aica_hw_if, sc, &sc->sc_dev); 236 237 /* init parameters */ 238 sc->sc_output_master = 255; 239 sc->sc_output_gain[AICA_VOLUME_LEFT] = 255; 240 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 255; 241 } 242 243 void 244 aica_enable(struct aica_softc *sc) 245 { 246 247 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28a8, 24); 248 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 249 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) & ~1); 250 } 251 252 void 253 aica_disable(struct aica_softc *sc) 254 { 255 256 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 257 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) | 1); 258 } 259 260 inline static void 261 aica_g2fifo_wait() 262 { 263 int i; 264 265 i = AICA_TIMEOUT; 266 while (--i > 0) 267 if ((*(volatile u_int32_t *)0xa05f688c) & 0x11) 268 break; 269 } 270 271 void 272 aica_memwrite(struct aica_softc *sc, bus_size_t offset, u_int32_t *src, int len) 273 { 274 int n; 275 276 KASSERT((offset & 3) == 0); 277 n = (len + 3) / 4; /* u_int32_t * n (aligned) */ 278 279 aica_g2fifo_wait(); 280 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 281 offset, src, n); 282 } 283 284 void 285 aica_ch2p16write(struct aica_softc *sc, bus_size_t offset, u_int16_t *src, 286 int len) 287 { 288 union { 289 u_int32_t w[8]; 290 u_int16_t s[16]; 291 } buf; 292 u_int16_t *p; 293 int i; 294 295 KASSERT((offset & 3) == 0); 296 297 while (len >= 32) { 298 p = buf.s; 299 *p++ = *src++; src++; 300 *p++ = *src++; src++; 301 *p++ = *src++; src++; 302 *p++ = *src++; src++; 303 *p++ = *src++; src++; 304 *p++ = *src++; src++; 305 *p++ = *src++; src++; 306 *p++ = *src++; src++; 307 *p++ = *src++; src++; 308 *p++ = *src++; src++; 309 *p++ = *src++; src++; 310 *p++ = *src++; src++; 311 *p++ = *src++; src++; 312 *p++ = *src++; src++; 313 *p++ = *src++; src++; 314 *p++ = *src++; src++; 315 316 aica_g2fifo_wait(); 317 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 318 offset, buf.w , 32 / 4); 319 320 offset += sizeof(u_int16_t) * 16; 321 len -= 32; 322 } 323 324 if (len / 2 > 0) { 325 p = buf.s; 326 for (i = 0; i < len / 2; i++) { 327 *p++ = *src++; src++; 328 } 329 330 aica_g2fifo_wait(); 331 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 332 offset, buf.w, len / 4); 333 } 334 } 335 336 void 337 aica_ch2p8write(struct aica_softc *sc, bus_size_t offset, u_int8_t *src, 338 int len) 339 { 340 u_int32_t buf[8]; 341 u_int8_t *p; 342 int i; 343 344 KASSERT((offset & 3) == 0); 345 while (len >= 32) { 346 p = (u_int8_t *)buf; 347 348 *p++ = *src++; src++; 349 *p++ = *src++; src++; 350 *p++ = *src++; src++; 351 *p++ = *src++; src++; 352 *p++ = *src++; src++; 353 *p++ = *src++; src++; 354 *p++ = *src++; src++; 355 *p++ = *src++; src++; 356 *p++ = *src++; src++; 357 *p++ = *src++; src++; 358 *p++ = *src++; src++; 359 *p++ = *src++; src++; 360 *p++ = *src++; src++; 361 *p++ = *src++; src++; 362 *p++ = *src++; src++; 363 *p++ = *src++; src++; 364 *p++ = *src++; src++; 365 *p++ = *src++; src++; 366 *p++ = *src++; src++; 367 *p++ = *src++; src++; 368 *p++ = *src++; src++; 369 *p++ = *src++; src++; 370 *p++ = *src++; src++; 371 *p++ = *src++; src++; 372 *p++ = *src++; src++; 373 *p++ = *src++; src++; 374 *p++ = *src++; src++; 375 *p++ = *src++; src++; 376 *p++ = *src++; src++; 377 *p++ = *src++; src++; 378 *p++ = *src++; src++; 379 *p++ = *src++; src++; 380 381 aica_g2fifo_wait(); 382 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 383 offset, buf, 32 / 4); 384 385 offset += 32; 386 len -= 32; 387 } 388 389 if (len) { 390 p = (u_int8_t *)buf; 391 for (i = 0; i < len; i++) 392 *p++ = *src++; src++; 393 394 aica_g2fifo_wait(); 395 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 396 offset, buf, len / 4); 397 } 398 } 399 400 int 401 aica_open(void *addr, int flags) 402 { 403 struct aica_softc *sc = addr; 404 405 if (sc->sc_open) 406 return EBUSY; 407 408 sc->sc_intr = NULL; 409 sc->sc_open = 1; 410 411 return 0; 412 } 413 414 void 415 aica_close(void *addr) 416 { 417 struct aica_softc *sc = addr; 418 419 sc->sc_open = 0; 420 sc->sc_intr = NULL; 421 } 422 423 int 424 aica_query_encoding(void *addr, struct audio_encoding *fp) 425 { 426 if (fp->index >= sizeof(aica_encodings) / sizeof(aica_encodings[0])) 427 return EINVAL; 428 429 strcpy(fp->name, aica_encodings[fp->index].name); 430 fp->encoding = aica_encodings[fp->index].encoding; 431 fp->precision = aica_encodings[fp->index].precision; 432 fp->flags = 0; 433 434 return 0; 435 } 436 437 int 438 aica_set_params(void *addr, int setmode, int usemode, 439 struct audio_params *play, struct audio_params *rec) 440 { 441 struct aica_softc *sc = addr; 442 443 if ((play->channels != 1) && 444 (play->channels != 2)) 445 return EINVAL; 446 447 if ((play->precision != 4) && 448 (play->precision != 8) && 449 (play->precision != 16)) 450 return EINVAL; 451 452 play->factor = 1; 453 play->factor_denom = 1; 454 455 play->hw_precision = play->precision; 456 play->hw_channels = play->channels; 457 play->hw_sample_rate = play->sample_rate; 458 play->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 459 460 play->sw_code = NULL; 461 462 sc->sc_precision = play->hw_precision; 463 sc->sc_channels = play->hw_channels; 464 sc->sc_rate = play->hw_sample_rate; 465 sc->sc_encodings = play->hw_encoding; 466 467 #if 1 468 /* XXX: limit check */ 469 if ((play->precision == 4) && 470 (play->channels == 1) && 471 (play->sample_rate >= 65536)) 472 return EINVAL; 473 474 if ((play->precision == 8) && 475 (play->channels == 1) && 476 (play->sample_rate >= 65536)) 477 return EINVAL; 478 #endif 479 480 switch (play->encoding) { 481 case AUDIO_ENCODING_ADPCM: 482 if (play->precision != 4) 483 return EINVAL; 484 if (play->channels != 1) 485 return EINVAL; 486 487 play->hw_encoding = AUDIO_ENCODING_ADPCM; 488 play->hw_precision = 8; /* 4? XXX */ 489 sc->sc_precision = 4; 490 break; 491 492 case AUDIO_ENCODING_SLINEAR_BE: 493 if (play->precision == 16) 494 play->sw_code = swap_bytes; 495 break; 496 case AUDIO_ENCODING_SLINEAR_LE: 497 case AUDIO_ENCODING_SLINEAR: 498 break; 499 case AUDIO_ENCODING_ULINEAR_BE: 500 if (play->precision == 16) 501 play->sw_code = swap_bytes_change_sign16_le; 502 else if(play->precision == 8) 503 play->sw_code = change_sign8; 504 break; 505 case AUDIO_ENCODING_ULINEAR_LE: 506 case AUDIO_ENCODING_ULINEAR: 507 if (play->precision == 16) 508 play->sw_code = change_sign16_le; 509 else if(play->precision == 8) 510 play->sw_code = change_sign8; 511 break; 512 513 case AUDIO_ENCODING_ULAW: 514 play->factor = 2; 515 play->sw_code = mulaw_to_slinear16_le; 516 play->hw_precision = 16; 517 sc->sc_precision = play->hw_precision; 518 break; 519 case AUDIO_ENCODING_ALAW: 520 play->factor = 2; 521 play->sw_code = alaw_to_slinear16_le; 522 play->hw_precision = 16; 523 sc->sc_precision = play->hw_precision; 524 break; 525 526 default: 527 return EINVAL; 528 } 529 530 return 0; 531 } 532 533 int 534 aica_round_blocksize(void *addr, int blk) 535 { 536 struct aica_softc *sc = addr; 537 538 switch (sc->sc_precision) { 539 case 4: 540 if (sc->sc_channels == 1) 541 return AICA_DMABUF_SIZE / 4; 542 else 543 return AICA_DMABUF_SIZE / 2; 544 break; 545 case 8: 546 if (sc->sc_channels == 1) 547 return AICA_DMABUF_SIZE / 2; 548 else 549 return AICA_DMABUF_SIZE; 550 break; 551 case 16: 552 if (sc->sc_channels == 1) 553 return AICA_DMABUF_SIZE; 554 else 555 return AICA_DMABUF_SIZE * 2; 556 break; 557 default: 558 break; 559 } 560 561 return AICA_DMABUF_SIZE / 4; 562 } 563 564 size_t 565 aica_round_buffersize(void *addr, int dir, size_t bufsize) 566 { 567 568 if (dir == AUMODE_PLAY) 569 return 65536; 570 571 return 512; /* XXX: AUMINBUF */ 572 } 573 574 void 575 aica_command(struct aica_softc *sc, u_int32_t command) 576 { 577 578 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 579 AICA_ARM_CMD_COMMAND, command); 580 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 581 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 582 AICA_ARM_CMD_SERIAL) + 1); 583 } 584 585 void 586 aica_sendparam(struct aica_softc *sc, u_int32_t command, 587 int32_t lparam, int32_t rparam) 588 { 589 590 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 591 AICA_ARM_CMD_LPARAM, lparam); 592 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 593 AICA_ARM_CMD_RPARAM, rparam); 594 595 aica_command(sc, command); 596 } 597 598 void 599 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 600 { 601 602 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 603 AICA_ARM_CMD_BLOCKSIZE, blksize); 604 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 605 AICA_ARM_CMD_CHANNEL, channel); 606 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 607 AICA_ARM_CMD_RATE, rate); 608 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 609 AICA_ARM_CMD_PRECISION, prec); 610 611 aica_command(sc, AICA_COMMAND_PLAY); 612 } 613 614 void 615 aica_fillbuffer(struct aica_softc *sc) 616 { 617 618 if (sc->sc_channels == 2) { 619 if (sc->sc_precision == 16) { 620 aica_ch2p16write(sc, 621 AICA_DMABUF_LEFT + sc->sc_nextfill, 622 (u_int16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 623 aica_ch2p16write(sc, 624 AICA_DMABUF_RIGHT + sc->sc_nextfill, 625 (u_int16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 626 } else if (sc->sc_precision == 8) { 627 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 628 (u_int8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 629 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 630 (u_int8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 631 } 632 } else { 633 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 634 sc->sc_buffer, sc->sc_blksize); 635 } 636 637 (int8_t *)sc->sc_buffer += sc->sc_blksize; 638 if (sc->sc_buffer >= sc->sc_buffer_end) 639 sc->sc_buffer = sc->sc_buffer_start; 640 641 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 642 } 643 644 int 645 aica_intr(void *arg) 646 { 647 struct aica_softc *sc = arg; 648 649 aica_fillbuffer(sc); 650 651 /* call audio interrupt handler (audio_pint()) */ 652 if (sc->sc_open && sc->sc_intr != NULL) { 653 (*(sc->sc_intr))(sc->sc_intr_arg); 654 } 655 656 /* clear SPU interrupt */ 657 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 658 return 1; 659 } 660 661 int 662 aica_trigger_output(void *addr, void *start, void *end, int blksize, 663 void (*intr)(void *), void *arg, struct audio_params *param) 664 { 665 struct aica_softc *sc = addr; 666 667 aica_command(sc, AICA_COMMAND_INIT); 668 tsleep(aica_trigger_output, PWAIT, "aicawait", hz / 20); 669 670 sc->sc_buffer_start = sc->sc_buffer = start; 671 sc->sc_buffer_end = end; 672 sc->sc_blksize = blksize; 673 sc->sc_nextfill = 0; 674 675 sc->sc_intr = intr; 676 sc->sc_intr_arg = arg; 677 678 /* fill buffers in advance */ 679 aica_intr(sc); 680 aica_intr(sc); 681 682 /* ...and start playing */ 683 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 684 sc->sc_precision); 685 686 return 0; 687 } 688 689 int 690 aica_trigger_input(void *addr, void *start, void *end, int blksize, 691 void (*intr)(void *), void *arg, struct audio_params *param) 692 { 693 694 return ENODEV; 695 } 696 697 int 698 aica_halt_output(void *addr) 699 { 700 struct aica_softc *sc = addr; 701 702 aica_command(sc, AICA_COMMAND_STOP); 703 704 return 0; 705 } 706 707 int 708 aica_halt_input(void *addr) 709 { 710 711 return ENODEV; 712 } 713 714 int 715 aica_getdev(void *addr, struct audio_device *ret) 716 { 717 718 *ret = aica_device; 719 return 0; 720 } 721 722 int 723 aica_set_port(void *addr, mixer_ctrl_t *mc) 724 { 725 struct aica_softc *sc = addr; 726 727 switch (mc->dev) { 728 case AICA_MASTER_VOL: 729 sc->sc_output_master = 730 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 731 aica_sendparam(sc, AICA_COMMAND_MVOL, 732 sc->sc_output_master, sc->sc_output_master); 733 break; 734 case AICA_OUTPUT_GAIN: 735 sc->sc_output_gain[AICA_VOLUME_LEFT] = 736 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 737 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 738 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 739 aica_sendparam(sc, AICA_COMMAND_VOL, 740 sc->sc_output_gain[AICA_VOLUME_LEFT], 741 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 742 break; 743 default: 744 return EINVAL; 745 } 746 747 return 0; 748 } 749 750 int 751 aica_get_port(void *addr, mixer_ctrl_t *mc) 752 { 753 struct aica_softc *sc = addr; 754 755 switch (mc->dev) { 756 case AICA_MASTER_VOL: 757 if (mc->un.value.num_channels != 1) 758 return EINVAL; 759 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 760 L16TO256(L256TO16(sc->sc_output_master)); 761 break; 762 case AICA_OUTPUT_GAIN: 763 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 764 sc->sc_output_gain[AICA_VOLUME_LEFT]; 765 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 766 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 767 break; 768 default: 769 return EINVAL; 770 } 771 return 0; 772 } 773 774 int 775 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 776 { 777 778 switch (md->index) { 779 case AICA_MASTER_VOL: 780 md->type = AUDIO_MIXER_VALUE; 781 md->mixer_class = AICA_OUTPUT_CLASS; 782 md->prev = md->next = AUDIO_MIXER_LAST; 783 strcpy(md->label.name, AudioNmaster); 784 md->un.v.num_channels = 1; 785 strcpy(md->un.v.units.name, AudioNvolume); 786 return 0; 787 case AICA_OUTPUT_GAIN: 788 md->type = AUDIO_MIXER_VALUE; 789 md->mixer_class = AICA_OUTPUT_CLASS; 790 md->prev = md->next = AUDIO_MIXER_LAST; 791 strcpy(md->label.name, AudioNoutput); 792 md->un.v.num_channels = 2; 793 strcpy(md->label.name, AudioNvolume); 794 return 0; 795 case AICA_OUTPUT_CLASS: 796 md->type = AUDIO_MIXER_CLASS; 797 md->mixer_class = AICA_OUTPUT_CLASS; 798 md->next = md->prev = AUDIO_MIXER_LAST; 799 strcpy(md->label.name, AudioCoutputs); 800 return 0; 801 } 802 803 return ENXIO; 804 } 805 806 int 807 aica_get_props(void *addr) 808 { 809 810 return 0; 811 } 812
Indexes created Thu Sep 25 16:09:42 GMT 2025