aica.c revision 1.1
1 /* $NetBSD: aica.c,v 1.1 2003/08/24 17:33:29 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 1.1 2003/08/24 17:33:29 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 {AudioEslinear_be, AUDIO_ENCODING_SLINEAR_BE, 16}, 95 {AudioEslinear_le, AUDIO_ENCODING_SLINEAR_LE, 16}, 96 }; 97 98 int aica_match(struct device *, struct cfdata *, void *); 99 void aica_attach(struct device *, struct device *, void *); 100 int aica_print(void *, const char *); 101 102 CFATTACH_DECL(aica, sizeof(struct aica_softc), aica_match, aica_attach, 103 NULL, NULL); 104 105 struct audio_device aica_device = { 106 "Dreamcast Sound", 107 "", 108 "aica" 109 }; 110 111 __inline static void aica_g2fifo_wait(void); 112 void aica_enable(struct aica_softc *); 113 void aica_disable(struct aica_softc *); 114 void aica_memwrite(struct aica_softc *, bus_size_t, u_int32_t *, int); 115 void aica_ch2p16write(struct aica_softc *, bus_size_t, u_int16_t *, int); 116 void aica_ch2p8write(struct aica_softc *, bus_size_t, u_int8_t *, int); 117 void aica_command(struct aica_softc *, u_int32_t); 118 void aica_sendparam(struct aica_softc *, u_int32_t, int, int); 119 void aica_play(struct aica_softc *, int, int, int, int); 120 void aica_fillbuffer(struct aica_softc *); 121 122 /* intr */ 123 int aica_intr(void *); 124 125 /* for audio */ 126 int aica_open(void *, int); 127 void aica_close(void *); 128 int aica_query_encoding(void *, struct audio_encoding *); 129 int aica_set_params(void *, int, int, struct audio_params *, 130 struct audio_params *); 131 int aica_round_blocksize(void *, int); 132 size_t aica_round_buffersize(void *, int, size_t); 133 int aica_trigger_output(void *, void *, void *, int, void (*)(void *), void *, 134 struct audio_params *); 135 int aica_trigger_input(void *, void *, void *, int, void (*)(void *), void *, 136 struct audio_params *); 137 int aica_halt_output(void *); 138 int aica_halt_input(void *); 139 int aica_getdev(void *, struct audio_device *); 140 int aica_set_port(void *, mixer_ctrl_t *); 141 int aica_get_port(void *, mixer_ctrl_t *); 142 int aica_query_devinfo(void *, mixer_devinfo_t *); 143 void aica_encode(int, int, int, int, u_char *, u_short **); 144 int aica_get_props(void *); 145 146 struct audio_hw_if aica_hw_if = { 147 aica_open, 148 aica_close, 149 NULL, /* aica_drain */ 150 aica_query_encoding, 151 aica_set_params, 152 aica_round_blocksize, 153 NULL, /* aica_commit_setting */ 154 NULL, /* aica_init_output */ 155 NULL, /* aica_init_input */ 156 NULL, /* aica_start_output */ 157 NULL, /* aica_start_input */ 158 aica_halt_output, 159 aica_halt_input, 160 NULL, /* aica_speaker_ctl */ 161 aica_getdev, 162 NULL, /* aica_setfd */ 163 aica_set_port, 164 aica_get_port, 165 aica_query_devinfo, 166 NULL, /* aica_allocm */ 167 NULL, /* aica_freem */ 168 169 aica_round_buffersize, /* aica_round_buffersize */ 170 171 NULL, /* aica_mappage */ 172 aica_get_props, 173 aica_trigger_output, 174 aica_trigger_input, 175 NULL, /* aica_dev_ioctl */ 176 }; 177 178 int 179 aica_match(struct device *parent, struct cfdata *cf, void *aux) 180 { 181 static int aica_matched = 0; 182 183 if (aica_matched) 184 return 0; 185 186 aica_matched = 1; 187 return 1; 188 } 189 190 void 191 aica_attach(struct device *parent, struct device *self, void *aux) 192 { 193 struct aica_softc *sc = (struct aica_softc *)self; 194 struct g2bus_attach_args *ga = aux; 195 int i; 196 197 sc->sc_memt = ga->ga_memt; 198 199 if (bus_space_map(sc->sc_memt, AICA_REG_ADDR, 0x3000, 0, 200 &sc->sc_aica_regh) != 0) { 201 printf(": can't map AICA register space\n"); 202 return; 203 } 204 205 if (bus_space_map(sc->sc_memt, AICA_RAM_START, AICA_RAM_SIZE, 0, 206 &sc->sc_aica_memh) != 0) { 207 printf(": can't map AICA memory space\n"); 208 return; 209 } 210 211 printf(": ARM7 Sound Processing Unit\n"); 212 213 aica_disable(sc); 214 215 for (i = 0; i < AICA_NCHAN; i++) 216 bus_space_write_4(sc->sc_memt,sc->sc_aica_regh, i << 7, 217 ((bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, i << 7) 218 & ~0x4000) | 0x8000)); 219 220 /* load microcode, and clear memory */ 221 bus_space_set_region_4(sc->sc_memt, sc->sc_aica_memh, 222 0, 0, AICA_RAM_SIZE); 223 224 aica_memwrite(sc, 0, aica_armcode, sizeof(aica_armcode)); 225 226 aica_enable(sc); 227 228 printf("%s: interrupting at %s\n", sc->sc_dev.dv_xname, 229 sysasic_intr_string(IPL_BIO)); 230 sysasic_intr_establish(SYSASIC_EVENT_AICA, IPL_BIO, aica_intr, sc); 231 232 audio_attach_mi(&aica_hw_if, sc, &sc->sc_dev); 233 234 /* init parameters */ 235 sc->sc_output_master = 255; 236 sc->sc_output_gain[AICA_VOLUME_LEFT] = 255; 237 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 255; 238 } 239 240 void 241 aica_enable(struct aica_softc *sc) 242 { 243 244 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28a8, 24); 245 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 246 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) & ~1); 247 } 248 249 void 250 aica_disable(struct aica_softc *sc) 251 { 252 253 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00, 254 bus_space_read_4(sc->sc_memt, sc->sc_aica_regh, 0x2c00) | 1); 255 } 256 257 inline static void 258 aica_g2fifo_wait() 259 { 260 int i; 261 262 i = AICA_TIMEOUT; 263 while (--i > 0) 264 if ((*(volatile u_int32_t *)0xa05f688c) & 0x11) 265 break; 266 } 267 268 void 269 aica_memwrite(struct aica_softc *sc, bus_size_t offset, u_int32_t *src, int len) 270 { 271 int n; 272 273 KASSERT((offset & 3) == 0); 274 n = (len + 3) / 4; /* u_int32_t * n (aligned) */ 275 276 aica_g2fifo_wait(); 277 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 278 offset, src, n); 279 } 280 281 void 282 aica_ch2p16write(struct aica_softc *sc, bus_size_t offset, u_int16_t *src, 283 int len) 284 { 285 union { 286 u_int32_t w[8]; 287 u_int16_t s[16]; 288 } buf; 289 u_int16_t *p; 290 int i; 291 292 KASSERT((offset & 3) == 0); 293 294 while (len >= 32) { 295 p = buf.s; 296 *p++ = *src++; src++; 297 *p++ = *src++; src++; 298 *p++ = *src++; src++; 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++; 312 313 aica_g2fifo_wait(); 314 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 315 offset, buf.w , 32 / 4); 316 317 offset += sizeof(u_int16_t) * 16; 318 len -= 32; 319 } 320 321 if (len / 2 > 0) { 322 p = buf.s; 323 for (i = 0; i < len / 2; i++) { 324 *p++ = *src++; src++; 325 } 326 327 aica_g2fifo_wait(); 328 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 329 offset, buf.w, len / 4); 330 } 331 } 332 333 void 334 aica_ch2p8write(struct aica_softc *sc, bus_size_t offset, u_int8_t *src, 335 int len) 336 { 337 u_int32_t buf[8]; 338 u_int8_t *p; 339 int i; 340 341 KASSERT((offset & 3) == 0); 342 while (len >= 32) { 343 p = (u_int8_t *)buf; 344 345 *p++ = *src++; src++; 346 *p++ = *src++; src++; 347 *p++ = *src++; src++; 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++; 377 378 aica_g2fifo_wait(); 379 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 380 offset, buf, 32 / 4); 381 382 offset += 32; 383 len -= 32; 384 } 385 386 if (len) { 387 p = (u_int8_t *)buf; 388 for (i = 0; i < len; i++) 389 *p++ = *src++; src++; 390 391 aica_g2fifo_wait(); 392 bus_space_write_region_4(sc->sc_memt, sc->sc_aica_memh, 393 offset, buf, len / 4); 394 } 395 } 396 397 int 398 aica_open(void *addr, int flags) 399 { 400 struct aica_softc *sc = addr; 401 402 if (sc->sc_open) 403 return EBUSY; 404 405 sc->sc_intr = NULL; 406 sc->sc_open = 1; 407 408 return 0; 409 } 410 411 void 412 aica_close(void *addr) 413 { 414 struct aica_softc *sc = addr; 415 416 sc->sc_open = 0; 417 sc->sc_intr = NULL; 418 } 419 420 int 421 aica_query_encoding(void *addr, struct audio_encoding *fp) 422 { 423 if (fp->index >= sizeof(aica_encodings) / sizeof(aica_encodings[0])) 424 return EINVAL; 425 426 strcpy(fp->name, aica_encodings[fp->index].name); 427 fp->encoding = aica_encodings[fp->index].encoding; 428 fp->precision = aica_encodings[fp->index].precision; 429 fp->flags = 0; 430 431 return 0; 432 } 433 434 int 435 aica_set_params(void *addr, int setmode, int usemode, 436 struct audio_params *play, struct audio_params *rec) 437 { 438 struct aica_softc *sc = addr; 439 440 if ((play->channels != 1) && 441 (play->channels != 2)) 442 return EINVAL; 443 444 if ((play->precision != 4) && 445 (play->precision != 8) && 446 (play->precision != 16)) 447 return EINVAL; 448 449 play->factor = 1; 450 play->factor_denom = 1; 451 452 play->hw_precision = play->precision; 453 play->hw_channels = play->channels; 454 play->hw_sample_rate = play->sample_rate; 455 play->hw_encoding = AUDIO_ENCODING_SLINEAR_LE; 456 457 play->sw_code = NULL; 458 459 sc->sc_precision = play->hw_precision; 460 sc->sc_channels = play->hw_channels; 461 sc->sc_rate = play->hw_sample_rate; 462 sc->sc_encodings = play->hw_encoding; 463 464 #if 1 465 /* XXX: limit check */ 466 if ((play->precision == 4) && 467 (play->channels == 1) && 468 (play->sample_rate >= 65536)) 469 return EINVAL; 470 471 if ((play->precision == 8) && 472 (play->channels == 1) && 473 (play->sample_rate >= 65536)) 474 return EINVAL; 475 #endif 476 477 switch (play->encoding) { 478 case AUDIO_ENCODING_ADPCM: 479 if (play->precision != 4) 480 return EINVAL; 481 if (play->channels != 1) 482 return EINVAL; 483 484 play->hw_encoding = AUDIO_ENCODING_ADPCM; 485 play->hw_precision = 8; /* 4? XXX */ 486 sc->sc_precision = 4; 487 break; 488 489 case AUDIO_ENCODING_SLINEAR: 490 break; 491 case AUDIO_ENCODING_ULINEAR: 492 play->sw_code = change_sign8; 493 break; 494 495 case AUDIO_ENCODING_SLINEAR_BE: 496 if (play->precision == 16) 497 play->sw_code = swap_bytes; 498 break; 499 case AUDIO_ENCODING_SLINEAR_LE: 500 break; 501 case AUDIO_ENCODING_ULINEAR_BE: 502 if (play->precision == 16) 503 play->sw_code = swap_bytes_change_sign16_le; 504 break; 505 case AUDIO_ENCODING_ULINEAR_LE: 506 if (play->precision == 16) 507 play->sw_code = change_sign16_le; 508 break; 509 510 case AUDIO_ENCODING_ULAW: 511 play->sw_code = mulaw_to_slinear16_le; 512 play->hw_precision = 16; 513 sc->sc_precision = play->hw_precision; 514 break; 515 case AUDIO_ENCODING_ALAW: 516 play->sw_code = alaw_to_slinear16_le; 517 play->hw_precision = 16; 518 sc->sc_precision = play->hw_precision; 519 break; 520 521 default: 522 return EINVAL; 523 } 524 525 return 0; 526 } 527 528 int 529 aica_round_blocksize(void *addr, int blk) 530 { 531 struct aica_softc *sc = addr; 532 533 switch (sc->sc_precision) { 534 case 4: 535 if (sc->sc_channels == 1) 536 return AICA_DMABUF_SIZE / 4; 537 else 538 return AICA_DMABUF_SIZE / 2; 539 break; 540 case 8: 541 if (sc->sc_channels == 1) 542 return AICA_DMABUF_SIZE / 2; 543 else 544 return AICA_DMABUF_SIZE; 545 break; 546 case 16: 547 if (sc->sc_channels == 1) 548 return AICA_DMABUF_SIZE; 549 else 550 return AICA_DMABUF_SIZE * 2; 551 break; 552 default: 553 break; 554 } 555 556 return AICA_DMABUF_SIZE / 4; 557 } 558 559 size_t 560 aica_round_buffersize(void *addr, int dir, size_t bufsize) 561 { 562 563 if (dir == AUMODE_PLAY) 564 return 65536; 565 566 return 512; /* XXX: AUMINBUF */ 567 } 568 569 void 570 aica_command(struct aica_softc *sc, u_int32_t command) 571 { 572 573 bus_space_write_4(sc->sc_memt, sc->sc_aica_memh, 574 AICA_ARM_CMD_COMMAND, command); 575 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, AICA_ARM_CMD_SERIAL, 576 bus_space_read_4(sc->sc_memt, sc->sc_aica_memh, 577 AICA_ARM_CMD_SERIAL) + 1); 578 } 579 580 void 581 aica_sendparam(struct aica_softc *sc, u_int32_t command, 582 int32_t lparam, int32_t rparam) 583 { 584 585 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 586 AICA_ARM_CMD_LPARAM, lparam); 587 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 588 AICA_ARM_CMD_RPARAM, rparam); 589 590 aica_command(sc, command); 591 } 592 593 void 594 aica_play(struct aica_softc *sc, int blksize, int channel, int rate, int prec) 595 { 596 597 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 598 AICA_ARM_CMD_BLOCKSIZE, blksize); 599 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 600 AICA_ARM_CMD_CHANNEL, channel); 601 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 602 AICA_ARM_CMD_RATE, rate); 603 bus_space_write_4(sc->sc_memt,sc->sc_aica_memh, 604 AICA_ARM_CMD_PRECISION, prec); 605 606 aica_command(sc, AICA_COMMAND_PLAY); 607 } 608 609 void 610 aica_fillbuffer(struct aica_softc *sc) 611 { 612 613 if (sc->sc_channels == 2) { 614 if (sc->sc_precision == 16) { 615 aica_ch2p16write(sc, 616 AICA_DMABUF_LEFT + sc->sc_nextfill, 617 (u_int16_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 618 aica_ch2p16write(sc, 619 AICA_DMABUF_RIGHT + sc->sc_nextfill, 620 (u_int16_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 621 } else if (sc->sc_precision == 8) { 622 aica_ch2p8write(sc, AICA_DMABUF_LEFT + sc->sc_nextfill, 623 (u_int8_t *)sc->sc_buffer + 0, sc->sc_blksize / 2); 624 aica_ch2p8write(sc, AICA_DMABUF_RIGHT + sc->sc_nextfill, 625 (u_int8_t *)sc->sc_buffer + 1, sc->sc_blksize / 2); 626 } 627 } else { 628 aica_memwrite(sc, AICA_DMABUF_MONO + sc->sc_nextfill, 629 sc->sc_buffer, sc->sc_blksize); 630 } 631 632 (int8_t *)sc->sc_buffer += sc->sc_blksize; 633 if (sc->sc_buffer >= sc->sc_buffer_end) 634 sc->sc_buffer = sc->sc_buffer_start; 635 636 sc->sc_nextfill ^= sc->sc_blksize / sc->sc_channels; 637 } 638 639 int 640 aica_intr(void *arg) 641 { 642 struct aica_softc *sc = arg; 643 644 aica_fillbuffer(sc); 645 646 /* call audio interrupt handler (audio_pint()) */ 647 if (sc->sc_open && sc->sc_intr != NULL) { 648 (*(sc->sc_intr))(sc->sc_intr_arg); 649 } 650 651 /* clear SPU interrupt */ 652 bus_space_write_4(sc->sc_memt, sc->sc_aica_regh, 0x28bc, 0x20); 653 return 1; 654 } 655 656 int 657 aica_trigger_output(void *addr, void *start, void *end, int blksize, 658 void (*intr)(void *), void *arg, struct audio_params *param) 659 { 660 struct aica_softc *sc = addr; 661 662 aica_command(sc, AICA_COMMAND_INIT); 663 tsleep(aica_trigger_output, PWAIT, "aicawait", hz / 20); 664 665 sc->sc_buffer_start = sc->sc_buffer = start; 666 sc->sc_buffer_end = end; 667 sc->sc_blksize = blksize; 668 sc->sc_nextfill = 0; 669 670 sc->sc_intr = intr; 671 sc->sc_intr_arg = arg; 672 673 /* fill buffers in advance */ 674 aica_intr(sc); 675 aica_intr(sc); 676 677 /* ...and start playing */ 678 aica_play(sc, blksize / sc->sc_channels, sc->sc_channels, sc->sc_rate, 679 sc->sc_precision); 680 681 return 0; 682 } 683 684 int 685 aica_trigger_input(void *addr, void *start, void *end, int blksize, 686 void (*intr)(void *), void *arg, struct audio_params *param) 687 { 688 689 return ENODEV; 690 } 691 692 int 693 aica_halt_output(void *addr) 694 { 695 struct aica_softc *sc = addr; 696 697 aica_command(sc, AICA_COMMAND_STOP); 698 699 return 0; 700 } 701 702 int 703 aica_halt_input(void *addr) 704 { 705 706 return ENODEV; 707 } 708 709 int 710 aica_getdev(void *addr, struct audio_device *ret) 711 { 712 713 *ret = aica_device; 714 return 0; 715 } 716 717 int 718 aica_set_port(void *addr, mixer_ctrl_t *mc) 719 { 720 struct aica_softc *sc = addr; 721 722 switch (mc->dev) { 723 case AICA_MASTER_VOL: 724 sc->sc_output_master = 725 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] & 0xff; 726 aica_sendparam(sc, AICA_COMMAND_MVOL, 727 sc->sc_output_master, sc->sc_output_master); 728 break; 729 case AICA_OUTPUT_GAIN: 730 sc->sc_output_gain[AICA_VOLUME_LEFT] = 731 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] & 0xff; 732 sc->sc_output_gain[AICA_VOLUME_RIGHT] = 733 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] & 0xff; 734 aica_sendparam(sc, AICA_COMMAND_VOL, 735 sc->sc_output_gain[AICA_VOLUME_LEFT], 736 sc->sc_output_gain[AICA_VOLUME_RIGHT]); 737 break; 738 default: 739 return EINVAL; 740 } 741 742 return 0; 743 } 744 745 int 746 aica_get_port(void *addr, mixer_ctrl_t *mc) 747 { 748 struct aica_softc *sc = addr; 749 750 switch (mc->dev) { 751 case AICA_MASTER_VOL: 752 if (mc->un.value.num_channels != 1) 753 return EINVAL; 754 mc->un.value.level[AUDIO_MIXER_LEVEL_MONO] = 755 L16TO256(L256TO16(sc->sc_output_master)); 756 break; 757 case AICA_OUTPUT_GAIN: 758 mc->un.value.level[AUDIO_MIXER_LEVEL_LEFT] = 759 sc->sc_output_gain[AICA_VOLUME_LEFT]; 760 mc->un.value.level[AUDIO_MIXER_LEVEL_RIGHT] = 761 sc->sc_output_gain[AICA_VOLUME_RIGHT]; 762 break; 763 default: 764 return EINVAL; 765 } 766 return 0; 767 } 768 769 int 770 aica_query_devinfo(void *addr, mixer_devinfo_t *md) 771 { 772 773 switch (md->index) { 774 case AICA_MASTER_VOL: 775 md->type = AUDIO_MIXER_VALUE; 776 md->mixer_class = AICA_OUTPUT_CLASS; 777 md->prev = md->next = AUDIO_MIXER_LAST; 778 strcpy(md->label.name, AudioNmaster); 779 md->un.v.num_channels = 1; 780 strcpy(md->un.v.units.name, AudioNvolume); 781 return 0; 782 case AICA_OUTPUT_GAIN: 783 md->type = AUDIO_MIXER_VALUE; 784 md->mixer_class = AICA_OUTPUT_CLASS; 785 md->prev = md->next = AUDIO_MIXER_LAST; 786 strcpy(md->label.name, AudioNoutput); 787 md->un.v.num_channels = 2; 788 strcpy(md->label.name, AudioNvolume); 789 return 0; 790 case AICA_OUTPUT_CLASS: 791 md->type = AUDIO_MIXER_CLASS; 792 md->mixer_class = AICA_OUTPUT_CLASS; 793 md->next = md->prev = AUDIO_MIXER_LAST; 794 strcpy(md->label.name, AudioCoutputs); 795 return 0; 796 } 797 798 return ENXIO; 799 } 800 801 int 802 aica_get_props(void *addr) 803 { 804 805 return 0; 806 } 807
Indexes created Thu Sep 25 16:09:42 GMT 2025