aica.c revision 1.2
1 /* $NetBSD: aica.c,v 1.2 2003/08/24 19:44:29 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 1.2 2003/08/24 19:44:29 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: 493 break; 494 case AUDIO_ENCODING_ULINEAR: 495 play->sw_code = change_sign8; 496 break; 497 498 case AUDIO_ENCODING_SLINEAR_BE: 499 if (play->precision == 16) 500 play->sw_code = swap_bytes; 501 break; 502 case AUDIO_ENCODING_SLINEAR_LE: 503 break; 504 case AUDIO_ENCODING_ULINEAR_BE: 505 if (play->precision == 16) 506 play->sw_code = swap_bytes_change_sign16_le; 507 break; 508 case AUDIO_ENCODING_ULINEAR_LE: 509 if (play->precision == 16) 510 play->sw_code = change_sign16_le; 511 break; 512 513 case AUDIO_ENCODING_ULAW: 514 play->sw_code = mulaw_to_slinear16_le; 515 play->hw_precision = 16; 516 sc->sc_precision = play->hw_precision; 517 break; 518 case AUDIO_ENCODING_ALAW: 519 play->sw_code = alaw_to_slinear16_le; 520 play->hw_precision = 16; 521 sc->sc_precision = play->hw_precision; 522 break; 523 524 default: 525 return EINVAL; 526 } 527 528 return 0; 529 } 530 531 int 532 aica_round_blocksize(void *addr, int blk) 533 { 534 struct aica_softc *sc = addr; 535 536 switch (sc->sc_precision) { 537 case 4: 538 if (sc->sc_channels == 1) 539 return AICA_DMABUF_SIZE / 4; 540 else 541 return AICA_DMABUF_SIZE / 2; 542 break; 543 case 8: 544 if (sc->sc_channels == 1) 545 return AICA_DMABUF_SIZE / 2; 546 else 547 return AICA_DMABUF_SIZE; 548 break; 549 case 16: 550 if (sc->sc_channels == 1) 551 return AICA_DMABUF_SIZE; 552 else 553 return AICA_DMABUF_SIZE * 2; 554 break; 555 default: 556 break; 557 } 558 559 return AICA_DMABUF_SIZE / 4; 560 } 561 562 size_t 563 aica_round_buffersize(void *addr, int dir, size_t bufsize) 564 { 565 566 if (dir == AUMODE_PLAY) 567 return 65536; 568 569 return 512; /* XXX: AUMINBUF */ 570 } 571 572 void 573 aica_command(struct aica_softc *sc, u_int32_t command) 574 { 575 576 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 577 AICA_ARM_CMD_COMMAND, command); 578 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 579 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 580 AICA_ARM_CMD_SERIAL) + 1); 581 } 582 583 void 584 aica_sendparam(struct aica_softc *sc, u_int32_t command, 585 int32_t lparam, int32_t rparam) 586 { 587 588 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 589 AICA_ARM_CMD_LPARAM, lparam); 590 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 591 AICA_ARM_CMD_RPARAM, rparam); 592 593 aica_command(sc, command); 594 } 595 596 void 597 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 598 { 599 600 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 601 AICA_ARM_CMD_BLOCKSIZE, blksize); 602 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 603 AICA_ARM_CMD_CHANNEL, channel); 604 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 605 AICA_ARM_CMD_RATE, rate); 606 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 607 AICA_ARM_CMD_PRECISION, prec); 608 609 aica_command(sc, AICA_COMMAND_PLAY); 610 } 611 612 void 613 aica_fillbuffer(struct aica_softc *sc) 614 { 615 616 if (sc->sc_channels == 2) { 617 if (sc->sc_precision == 16) { 618 aica_ch2p16write(sc, 619 AICA_DMABUF_LEFT + sc->sc_nextfill, 620 (u_int16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 621 aica_ch2p16write(sc, 622 AICA_DMABUF_RIGHT + sc->sc_nextfill, 623 (u_int16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 624 } else if (sc->sc_precision == 8) { 625 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 626 (u_int8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 627 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 628 (u_int8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 629 } 630 } else { 631 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 632 sc->sc_buffer, sc->sc_blksize); 633 } 634 635 (int8_t *)sc->sc_buffer += sc->sc_blksize; 636 if (sc->sc_buffer >= sc->sc_buffer_end) 637 sc->sc_buffer = sc->sc_buffer_start; 638 639 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 640 } 641 642 int 643 aica_intr(void *arg) 644 { 645 struct aica_softc *sc = arg; 646 647 aica_fillbuffer(sc); 648 649 /* call audio interrupt handler (audio_pint()) */ 650 if (sc->sc_open && sc->sc_intr != NULL) { 651 (*(sc->sc_intr))(sc->sc_intr_arg); 652 } 653 654 /* clear SPU interrupt */ 655 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 656 return 1; 657 } 658 659 int 660 aica_trigger_output(void *addr, void *start, void *end, int blksize, 661 void (*intr)(void *), void *arg, struct audio_params *param) 662 { 663 struct aica_softc *sc = addr; 664 665 aica_command(sc, AICA_COMMAND_INIT); 666 tsleep(aica_trigger_output, PWAIT, "aicawait", hz / 20); 667 668 sc->sc_buffer_start = sc->sc_buffer = start; 669 sc->sc_buffer_end = end; 670 sc->sc_blksize = blksize; 671 sc->sc_nextfill = 0; 672 673 sc->sc_intr = intr; 674 sc->sc_intr_arg = arg; 675 676 /* fill buffers in advance */ 677 aica_intr(sc); 678 aica_intr(sc); 679 680 /* ...and start playing */ 681 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 682 sc->sc_precision); 683 684 return 0; 685 } 686 687 int 688 aica_trigger_input(void *addr, void *start, void *end, int blksize, 689 void (*intr)(void *), void *arg, struct audio_params *param) 690 { 691 692 return ENODEV; 693 } 694 695 int 696 aica_halt_output(void *addr) 697 { 698 struct aica_softc *sc = addr; 699 700 aica_command(sc, AICA_COMMAND_STOP); 701 702 return 0; 703 } 704 705 int 706 aica_halt_input(void *addr) 707 { 708 709 return ENODEV; 710 } 711 712 int 713 aica_getdev(void *addr, struct audio_device *ret) 714 { 715 716 *ret = aica_device; 717 return 0; 718 } 719 720 int 721 aica_set_port(void *addr, mixer_ctrl_t *mc) 722 { 723 struct aica_softc *sc = addr; 724 725 switch (mc->dev) { 726 case AICA_MASTER_VOL: 727 sc->sc_output_master = 728 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 729 aica_sendparam(sc, AICA_COMMAND_MVOL, 730 sc->sc_output_master, sc->sc_output_master); 731 break; 732 case AICA_OUTPUT_GAIN: 733 sc->sc_output_gain[AICA_VOLUME_LEFT] = 734 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 735 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 736 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 737 aica_sendparam(sc, AICA_COMMAND_VOL, 738 sc->sc_output_gain[AICA_VOLUME_LEFT], 739 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 740 break; 741 default: 742 return EINVAL; 743 } 744 745 return 0; 746 } 747 748 int 749 aica_get_port(void *addr, mixer_ctrl_t *mc) 750 { 751 struct aica_softc *sc = addr; 752 753 switch (mc->dev) { 754 case AICA_MASTER_VOL: 755 if (mc->un.value.num_channels != 1) 756 return EINVAL; 757 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 758 L16TO256(L256TO16(sc->sc_output_master)); 759 break; 760 case AICA_OUTPUT_GAIN: 761 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 762 sc->sc_output_gain[AICA_VOLUME_LEFT]; 763 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 764 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 765 break; 766 default: 767 return EINVAL; 768 } 769 return 0; 770 } 771 772 int 773 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 774 { 775 776 switch (md->index) { 777 case AICA_MASTER_VOL: 778 md->type = AUDIO_MIXER_VALUE; 779 md->mixer_class = AICA_OUTPUT_CLASS; 780 md->prev = md->next = AUDIO_MIXER_LAST; 781 strcpy(md->label.name, AudioNmaster); 782 md->un.v.num_channels = 1; 783 strcpy(md->un.v.units.name, AudioNvolume); 784 return 0; 785 case AICA_OUTPUT_GAIN: 786 md->type = AUDIO_MIXER_VALUE; 787 md->mixer_class = AICA_OUTPUT_CLASS; 788 md->prev = md->next = AUDIO_MIXER_LAST; 789 strcpy(md->label.name, AudioNoutput); 790 md->un.v.num_channels = 2; 791 strcpy(md->label.name, AudioNvolume); 792 return 0; 793 case AICA_OUTPUT_CLASS: 794 md->type = AUDIO_MIXER_CLASS; 795 md->mixer_class = AICA_OUTPUT_CLASS; 796 md->next = md->prev = AUDIO_MIXER_LAST; 797 strcpy(md->label.name, AudioCoutputs); 798 return 0; 799 } 800 801 return ENXIO; 802 } 803 804 int 805 aica_get_props(void *addr) 806 { 807 808 return 0; 809 } 810
Indexes created Thu Sep 25 02:09:54 GMT 2025